last executing test programs: 4.083396102s ago: executing program 3 (id=565): sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f00000007c0)={0x0, 0x0, &(0x7f0000000480)={&(0x7f0000002b80)=@delchain={0x284, 0x65, 0x400, 0x70bd27, 0x25dfdbfc, {0x0, 0x0, 0x0, 0x0, {0x1, 0x2}, {0x0, 0x1}, {0x5}}, [@filter_kind_options=@f_bpf={{0x8}, {0x258, 0x2, [@TCA_BPF_ACT={0x254, 0x1, [@m_bpf={0x128, 0x11, 0x0, 0x0, {{0x8}, {0x30, 0x2, 0x0, 0x1, [@TCA_ACT_BPF_NAME={0xc, 0x6, './file0\x00'}, @TCA_ACT_BPF_FD={0x8}, @TCA_ACT_BPF_PARMS={0x18, 0x2, {0xffffffff, 0x3, 0xffffffffffffffff, 0x10001, 0x6}}]}, {0xd1, 0x6, "a41f25d22b1bae1b6bfb4a42ad5ba9db462fca41280c331f630e2c9f0be1093117392575082305ebc27660464ef802792ce06133244235023f0f4882fc0a47f4d5e499a8857cd81b0e6fda422cbc53ad098872214190756df6bbd0e760248aa97e200702fd569bd27d4a70df1d4a123ffc42d2592c81751e15e260622f14aeaaca5dc8acab93651fdd1d5614d98f28fc76d402e1028d91028270a2722b141a9140c47e37d068e7193d463a6444e424bc792ab1295f79842a501700a5cc2f71eefaf131a98821e712b03d552c87"}, {0xc, 0x7, {0x0, 0x1}}, {0xc, 0x8, {0x1, 0x3}}}}, @m_xt={0xf8, 0x5, 0x0, 0x0, {{0x7}, {0x30, 0x2, 0x0, 0x1, [@TCA_IPT_TARG={0x2a, 0x6, {0x7, 'raw\x00', 0x7, 0x100}}]}, {0xa1, 0x6, "a5fd64840366fd7ad44f3f053221ded9ced495590e2bc8690a2765e56ded8425cb3eb0e04bbcfec50e639bf373167e617b24eccd260f28bb850873b1e2154b158987d6e585e10ffeaba32641bae47de041e1169d8e4a65b8ce3633a4469c93c5228320c572237d92a9ae6bbc2d2bd3a2d1e27de283017ecf9fca6b2cd8a119dee59702830717b694625f60f5c81f688775c5e292f76a0ffa39e1d2cabd"}, {0xc, 0x7, {0x1, 0xeb0757422c733451}}, {0xc, 0x8, {0x3, 0x3}}}}, @m_police={0x30, 0x9, 0x0, 0x0, {{0xb}, {0x4}, {0x4}, {0xc, 0x7, {0x1, 0x1}}, {0xc, 0x8, {0x0, 0x3}}}}]}]}}]}, 0x284}, 0x1, 0x0, 0x0, 0x2404c080}, 0x20000080) r0 = socket(0x10, 0x803, 0x0) sendto(r0, &(0x7f0000000740)="120000001200e7ef007b00000000000000a1", 0x12, 0x0, 0x0, 0x0) recvmmsg(r0, &(0x7f00000037c0)=[{{&(0x7f00000004c0)=@ethernet={0x0, @random}, 0x80, &(0x7f0000000380)=[{&(0x7f0000000140)=""/100, 0x64}, {&(0x7f0000000280)=""/85, 0x55}, {&(0x7f0000000fc0)=""/4096, 0x1000}, {&(0x7f0000000400)=""/106, 0x6a}, {&(0x7f0000000980)=""/73, 0x49}, {&(0x7f0000000200)=""/77, 0x4d}, {&(0x7f00000007c0)=""/154, 0x9a}], 0x7, &(0x7f0000000600)=""/191, 0xbf}}], 0x1, 0x2040000, &(0x7f0000003700)={0x77359400}) 3.901355101s ago: executing program 3 (id=570): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff) mount(0x0, &(0x7f0000000040)='./proc\x00', &(0x7f0000000080)='proc\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='./proc/sys/net/rds/tcp/rds_tcp_rcvbuf\x00', 0x1, 0x0) write(r0, &(0x7f0000000100)='1048576\n\x00', 0x8) 3.880529912s ago: executing program 3 (id=571): mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x1, 0x401d031, 0xffffffffffffffff, 0x0) openat$fault_inject(0xffffffffffffff9c, &(0x7f0000000100)='/sys/kernel/debug/fail_iommufd/interval\x00', 0x1, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x734}, 0x0) r0 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFT_BATCH(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000011c0)=ANY=[], 0xd4}}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) bpf$MAP_CREATE(0x0, &(0x7f0000000440)=ANY=[@ANYBLOB="0d00000004000000040000001000000000000000", @ANYRES32, @ANYBLOB, @ANYRES32=0x0, @ANYRES32=0x0, @ANYBLOB='\x00\x00\x00\x00 \x00'/21], 0x50) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000200)=0x6) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeef, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r2, &(0x7f00000003c0)=@file={0x0, './file0\x00'}, 0x6e) sendmmsg$unix(r3, &(0x7f0000000000), 0x400000000000041, 0x0) recvmmsg(r2, &(0x7f00000000c0), 0x10106, 0x2, 0x0) perf_event_open(&(0x7f0000000040)={0x2, 0x80, 0x4d, 0x0, 0x0, 0x0, 0x0, 0x5, 0x100, 0xf, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, 0x4, @perf_config_ext={0x4, 0x5}, 0x2, 0x0, 0x10ffe, 0x0, 0x2, 0x8000040f, 0x1, 0x0, 0x0, 0x0, 0x5}, 0x0, 0xdfffffffffffffff, 0xffffffffffffffff, 0xa) perf_event_open(&(0x7f0000000240)={0x1, 0x80, 0x1, 0x0, 0x0, 0x0, 0x0, 0x869, 0x101, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, @perf_bp={&(0x7f00000002c0), 0xe}, 0x2400, 0x7, 0x0, 0x3, 0x4}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) openat$ptmx(0xffffffffffffff9c, 0x0, 0x41, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r4, &(0x7f00000016c0)={0x0, 0xfffffffffffffefd, &(0x7f0000000080)={&(0x7f0000000040)=@dellink={0x34, 0x11, 0x1, 0x70bd26, 0x5dfdbff, {0x0, 0x0, 0x0, 0x0, 0xda23, 0x1c002}, [@IFLA_ALT_IFNAME={0x14, 0x35, 'hsr0\x00'}]}, 0x34}, 0x1, 0x200000000000000, 0x0, 0x10}, 0x4000882) socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$ethtool(&(0x7f0000000000), 0xffffffffffffffff) bpf$PROG_LOAD(0x5, &(0x7f00000006c0)={0x6, 0xe, &(0x7f00000008c0)=ANY=[@ANYBLOB="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"/675], &(0x7f0000000080)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @xdp, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x3a, 0x10, &(0x7f0000000340), 0xfffffe94, 0x0, 0xffffffffffffffff, 0xffffffffffffff5b}, 0x42) r5 = socket(0xb, 0xa, 0xfffffff7) sendmmsg$inet_sctp(r5, &(0x7f0000000140)=[{&(0x7f00000000c0)=@in={0x2, 0x0, @initdev={0xac, 0x1e, 0x0, 0x0}}, 0x10, &(0x7f00000004c0)=[{&(0x7f0000000100)='a', 0x1}], 0x1, &(0x7f0000000640)=ANY=[@ANYBLOB="30000000000000008400000001000000000000000c000000000000000000898e2d2884d550e6000000000000cf83bda2ad71099df4d276b9b9234bc04ad19b9dc082e9d530f152646f1a904a60f4283f8d9328d1daf74f727c7fb9eccc88", @ANYRES32=0x0], 0x30}], 0x1, 0x0) bpf$PROG_LOAD_XDP(0x5, &(0x7f0000000580)={0x6, 0x0, 0x0, 0x0, 0x4}, 0x94) openat$dir(0xffffffffffffff9c, &(0x7f0000004280)='./file0\x00', 0x0, 0x18) mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup.cpu/syz1\x00', 0x1ff) r6 = syz_clone(0xa1c68400, 0x0, 0x0, 0x0, 0x0, 0x0) syz_pidfd_open(r6, 0x0) 2.801430221s ago: executing program 3 (id=582): r0 = socket$inet6(0xa, 0x1, 0x0) sendto$inet6(r0, 0x0, 0x0, 0xfffffefffbfbbfbe, &(0x7f0000000280)={0xa, 0x4e20, 0x3f, @empty}, 0x1c) 2.754688744s ago: executing program 3 (id=583): perf_event_open(&(0x7f00000003c0)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, @perf_config_ext={0x8, 0x830d}, 0x0, 0x2, 0xfffffffe, 0x7, 0x0, 0x8}, 0x0, 0xfff7ffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$ext4(&(0x7f0000000180)='ext4\x00', &(0x7f0000000040)='./file0\x00', 0x10008, &(0x7f0000000080)={[{@debug}, {@resuid={'resuid', 0x3d, 0xee01}}]}, 0xff, 0x49e, &(0x7f0000000f40)="$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") syz_mount_image$vfat(&(0x7f0000000080), &(0x7f00000005c0)='./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\x00', 0x181d011, 0x0, 0x40, 0x0, &(0x7f0000000140)) r0 = openat$dir(0xffffffffffffff9c, &(0x7f00000006c0)='./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\x00', 0x100, 0x4) getdents(r0, 0x0, 0x54) r1 = openat$vcsu(0xffffffffffffff9c, 0x0, 0xa0000, 0x0) mkdirat(r1, &(0x7f0000000080)='./debug\x00', 0x1ff) fsconfig$FSCONFIG_SET_PATH(r1, 0x3, &(0x7f0000000100)='grpquota', &(0x7f0000000240)='./bus\x00', r1) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000140)={0x1e, 0x5, &(0x7f00000000c0)=@raw=[@map_fd={0x18, 0x3}, @map_idx={0x18, 0x9}, @kfunc={0x85, 0x0, 0x2, 0x0, 0x3}], &(0x7f0000000040)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x71, '\x00', 0x0, 0x24, r1}, 0x94) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) prctl$PR_SET_IO_FLUSHER(0x39, 0xfffffffffffffffe) r4 = socket(0x10, 0x3, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000000200), r4) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000100)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000008c0)=ANY=[], 0x48}}, 0x0) sendmsg$nl_route_sched(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000900)=@newqdisc={0x30, 0x24, 0xf1d, 0x0, 0x0, {0x0, 0x0, 0x0, r5, {}, {0xfff1, 0xffff}}, [@qdisc_kind_options=@q_clsact={0xb}]}, 0x30}}, 0x4000800) sendmsg$nl_route_sched(r2, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000500)=@delchain={0x44, 0x64, 0xf31, 0x70bd25, 0x0, {0x0, 0x0, 0x0, r5, {0x0, 0xfff3}, {0xfff3, 0xffff}, {0xa, 0x1b}}, [@filter_kind_options=@f_flower={{0xb}, {0x14, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x8, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_GENEVE={0x4}]}, @TCA_FLOWER_KEY_ENC_OPTS_MASK={0x8, 0x55, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x4}]}]}}]}, 0x44}, 0x1, 0x0, 0x0, 0x40044}, 0x4804) openat$dir(0xffffffffffffff9c, &(0x7f0000000340)='./bus\x00', 0x4000, 0x10) munmap(&(0x7f00007fe000/0x800000)=nil, 0x800000) prctl$PR_SET_SYSCALL_USER_DISPATCH_ON(0x3b, 0x1, 0x0, 0x0, &(0x7f0000006680)) syz_mount_image$ext4(&(0x7f0000000280)='ext4\x00', &(0x7f0000000300)='./bus\x00', 0x21081e, &(0x7f0000000380)={[{@grpquota}, {@debug}, {@quota}, {@nobh}]}, 0x1, 0x51b, &(0x7f0000001000)="$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") r6 = io_uring_setup(0x25f5, 0x0) sched_setscheduler(0x0, 0x3, 0x0) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000000)=@newlink={0x34, 0x10, 0x401, 0xfffffffc, 0x80, {0x0, 0x0, 0x0, 0x0, 0x17b93, 0xef}, [@IFLA_LINKINFO={0x14, 0x12, 0x0, 0x1, @macsec={{0xb}, {0x4}}}]}, 0x34}, 0x1, 0x0, 0x0, 0x2004d808}, 0x0) r7 = socket$tipc(0x1e, 0x5, 0x0) prctl$PR_SET_MM_MAP(0x23, 0xe, &(0x7f0000000940)={&(0x7f0000ffc000/0x1000)=nil, &(0x7f0000c87000/0x3000)=nil, &(0x7f00008c8000/0x2000)=nil, &(0x7f0000860000/0x2000)=nil, &(0x7f00009d4000/0x4000)=nil, &(0x7f0000fa3000/0x3000)=nil, &(0x7f0000ffe000/0x1000)=nil, &(0x7f00008e1000/0x3000)=nil, &(0x7f0000dd6000/0x1000)=nil, &(0x7f0000f70000/0x5000)=nil, &(0x7f0000fa5000/0x13000)=nil, &(0x7f00000007c0)="ee00b901ea5fb054b66ff800128cdbd2724061cbb513dc02434a75f54511493bf9f2b5f838cf971c258333a67fdd10728bab7f5347c90d1bf178772528655d9f8e8817bc714752c01f556c50de90e409ebc1f8a8128ce5c287640c0b940b8fc32d109db69be57ca7b14f246a1b20e66468c5517b6523375503fca26a0c7ef6189b011def136507aac3524dda8207ddac370de7923b310afab89f1a304b5d86bfe8ed4afe5d19855214424deff33ef9160bdf7e65dee37b1642910e9c08cce18b9cd55d946a9b483516f6e462a671ec7fdc7004f7b94792b16674db5b48ead35362749f75b8a00fea22704499b7d8c6168aa64924c4", 0xf5, r7}, 0x68) io_uring_enter(r6, 0x2000000, 0x2, 0xf, 0x0, 0x0) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000440), 0x2a803, 0x0) socket$nl_netfilter(0x10, 0x3, 0xc) 2.076272215s ago: executing program 2 (id=590): r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000600)=ANY=[@ANYBLOB="300000001000010028a6704cdbdbdf2500000000", @ANYRES32=0x0, @ANYBLOB="158804000300000008000d000100000008"], 0x30}, 0x1, 0x0, 0x0, 0x40801}, 0x4000000) 1.96359423s ago: executing program 2 (id=594): r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000080)={0xa, 0x4e04, 0x3, @dev={0xfe, 0x80, '\x00', 0x25}, 0x23}, 0x1c) sendmmsg$inet6(r0, &(0x7f0000001980)=[{{&(0x7f0000000100)={0xa, 0x4e20, 0x0, @dev={0xfe, 0x80, '\x00', 0x64}, 0x10}, 0x1c, 0x0}}], 0x40000000000024e, 0x20002040) sendto$inet6(r0, 0x0, 0x0, 0x8000, 0x0, 0x0) 1.692312002s ago: executing program 4 (id=600): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./config/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./config/usb_gadget/g1/functions/tcm.usb0\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000180)='./config/target/core/rd_mcp_0\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f00000001c0)='./config/target/core/rd_mcp_0/ramdisk0\x00', 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./config/target/core/rd_mcp_0/ramdisk0/control\x00', 0x1, 0x0) write(r0, &(0x7f0000000240)='rd_pages=64\n', 0xc) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./config/target/core/rd_mcp_0/ramdisk0/enable\x00', 0x1, 0x0) write(r1, &(0x7f00000002c0)='1\n', 0x2) close(r1) mkdirat(0xffffffffffffff9c, &(0x7f0000000300)='./config/target/usb_gadget\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./config/target/usb_gadget/naa.6001405c935d7912\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000380)='./config/target/usb_gadget/naa.6001405c935d7912/tpgt_1\x00', 0x1ff) r2 = openat(0xffffffffffffff9c, &(0x7f00000003c0)='./config/target/usb_gadget/naa.6001405c935d7912/tpgt_1/nexus\x00', 0x1, 0x0) write(r2, &(0x7f0000000400)='naa.6001405c935d7912\n', 0x16) close(r2) mkdirat(0xffffffffffffff9c, &(0x7f0000000440)='./config/target/usb_gadget/naa.6001405c935d7912/tpgt_1/lun/lun_0\x00', 0x1ff) symlinkat(&(0x7f0000000480)='./config/target/core/rd_mcp_0/ramdisk0\x00', 0xffffffffffffff9c, &(0x7f00000004c0)='./config/target/usb_gadget/naa.6001405c935d7912/tpgt_1/lun/lun_0/virtual_scsi_port\x00') 1.661709394s ago: executing program 1 (id=601): unshare(0x6a040000) 1.591694447s ago: executing program 4 (id=603): sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000030c0)=ANY=[], 0xe8}, 0x1, 0x0, 0x0, 0x80}, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./proc\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./proc\x00', &(0x7f0000000100)='proc\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./proc/thread-self/fail-nth\x00', 0x2, 0x0) write(r0, &(0x7f0000000000)='2', 0x49) bpf$BPF_BTF_LOAD(0x12, 0x0, 0x0) syz_ublk_setup_io_uring(0x20, &(0x7f0000000040)={0x0, 0x4}, &(0x7f00000000c0), &(0x7f0000000100), &(0x7f0000000140)) 1.52580813s ago: executing program 0 (id=604): mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./dev\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./dev\x00', &(0x7f00000000c0)='devtmpfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./dev/mapper/control\x00', 0x2, 0x0) write(0xffffffffffffffff, &(0x7f0000000138)='\x00\x00\x00\x00\x00\x00\x00\x00create_t', 0x10) ioctl(r0, 0xc138fd09, &(0x7f0000000000)) 1.492421202s ago: executing program 0 (id=605): r0 = socket$l2tp(0x2, 0x2, 0x73) bind$l2tp(r0, &(0x7f00000000c0), 0x10) sendto$l2tp(r0, &(0x7f0000000440)="e5786a0d0000000000", 0x9, 0x8000, &(0x7f0000000340)={0x2, 0x0, @loopback}, 0x10) recvmsg(r0, &(0x7f0000001600)={0x0, 0x0, 0x0}, 0x100) 1.424819435s ago: executing program 4 (id=606): r0 = socket$inet_udp(0x2, 0x2, 0x0) setsockopt$sock_int(r0, 0x1, 0x6, &(0x7f0000000000)=0x4, 0x4) connect$inet(r0, &(0x7f0000000280)={0x2, 0x0, @broadcast}, 0x10) sendmmsg$inet(r0, &(0x7f0000004d00)=[{{0x0, 0x6000, 0x0, 0x0, 0x0, 0x0, 0x30000}}], 0x300, 0xf00) 1.293828701s ago: executing program 1 (id=607): r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000080)={0xa, 0x4e04, 0x3, @dev={0xfe, 0x80, '\x00', 0x25}, 0x23}, 0x1c) sendmmsg$inet6(r0, &(0x7f0000001980)=[{{&(0x7f0000000100)={0xa, 0x4e20, 0x0, @dev={0xfe, 0x80, '\x00', 0x64}, 0x10}, 0x1c, 0x0}}], 0x40000000000024e, 0x20002040) sendto$inet6(r0, 0x0, 0x0, 0x8000, 0x0, 0x0) 1.216508844s ago: executing program 4 (id=608): r0 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000001400), 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(r0, 0x0, 0x0) write$RDMA_USER_CM_CMD_QUERY(r0, &(0x7f0000000200)={0x13, 0x10, 0xfa00, {&(0x7f0000000000), 0xffffffffffffffff, 0x2}}, 0x18) 1.148104878s ago: executing program 1 (id=609): mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./proc\x00', 0x4) mount(0x0, &(0x7f0000000080)='./proc\x00', 0x0, 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./proc/thread-self/fail-nth\x00', 0x2, 0x10b) bpf$PROG_LOAD(0x5, 0x0, 0xa0) write(r0, &(0x7f0000000000)='12', 0x2) bpf$PROG_LOAD(0x5, 0x0, 0xa0) unshare(0x6a040000) 1.08968387s ago: executing program 2 (id=610): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff) mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000000)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0) r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/pnp/drivers/serial\x00', 0x0, 0x0) r1 = openat(r0, &(0x7f0000000140)='unbind\x00', 0x1, 0x0) write(r1, &(0x7f00000001c0)='00:03\n\x00', 0x6) r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/bus/pnp/devices/00:02/resources\x00', 0x2, 0x0) write(r2, 0x0, 0x0) write(r2, &(0x7f0000000300)='activate\n', 0x9) r3 = openat(0xffffffffffffff9c, &(0x7f0000000340)='./sys/bus/pnp/devices/00:03/resources\x00', 0x2, 0x0) write(r3, &(0x7f0000000400)='fill\n\x00', 0x5) write(r3, &(0x7f0000000440)='activate\n\x00', 0x9) openat(r0, &(0x7f0000000480)='bind\x00', 0x1, 0x0) 1.027988653s ago: executing program 4 (id=611): sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)=ANY=[@ANYRESHEX, @ANYRES32, @ANYBLOB="61000100000000002000dc5452072696f16a13a1f16e0000110002800800080000000000000012", @ANYRES16, @ANYRES32=0x0], 0x40}, 0x1, 0x0, 0x0, 0x800}, 0x4004080) r0 = socket$inet_udp(0x2, 0x2, 0x0) connect$inet(r0, &(0x7f0000000380)={0x2, 0x0, @remote}, 0x10) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) r1 = getpid() sched_setscheduler(r1, 0x1, &(0x7f0000000300)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r3, &(0x7f000057eff8)=@file={0x0, './file0\x00'}, 0x6e) sendmmsg$unix(r3, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r2, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000000)=0x6) perf_event_open(&(0x7f0000000140)={0x2, 0x80, 0x2e, 0x1, 0x0, 0x0, 0x0, 0x7, 0x520, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffc, 0x4, @perf_bp={0x0, 0x7}, 0xfcc8, 0x1224, 0xffffffff, 0x0, 0x8, 0x20005, 0x0, 0x0, 0x0, 0x0, 0x81}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x8) r4 = socket$nl_netfilter(0x10, 0x3, 0xc) r5 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFQNL_MSG_CONFIG(r5, &(0x7f0000001080)={0x0, 0x0, &(0x7f0000001040)={&(0x7f0000000100)=ANY=[@ANYBLOB="1c000000020303000000000000000400004a080001000100002a0000"], 0x1c}, 0x1, 0x0, 0x0, 0x48841}, 0x24000890) r6 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFQNL_MSG_CONFIG(r6, &(0x7f0000001080)={0x0, 0x0, &(0x7f0000001040)={&(0x7f0000000100)=ANY=[@ANYBLOB="1c0000000203030100000000000000000400000a"], 0x1c}, 0x1, 0x0, 0x0, 0x40841}, 0x2000c010) sendmsg$NFQNL_MSG_CONFIG(r6, &(0x7f0000001080)={0x0, 0x0, &(0x7f0000001040)={&(0x7f0000000000)={0x1c, 0x2, 0x3, 0x101, 0x0, 0x0, {0x2, 0x0, 0xa}, [@NFQA_CFG_CMD={0x8, 0x1, {0x2, 0x0, 0x8}}]}, 0x1c}, 0x1, 0x0, 0x0, 0x20080041}, 0x20008090) sendmsg$NFT_BATCH(r4, &(0x7f000000c2c0)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000003c0)=ANY=[@ANYBLOB="140000001000010000000000000000001c6a000a28000000000a0101000000005e1affd5020000000900010073797a300000000008000240000000032c000000030a01030000e6ff00000000020000000900010073797a30000000000900030073797a320000000014000000110001"], 0x7c}}, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./trace\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./trace\x00', &(0x7f0000000100)='tracefs\x00', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000200)='./trace/set_event\x00', 0x121302, 0x0) syz_open_dev$MSR(0x0, 0x0, 0x0) r7 = socket(0x2d, 0x2, 0x0) setsockopt(r7, 0x11d, 0x1, &(0x7f0000000500)="01000000", 0x4) syz_mount_image$ext4(&(0x7f0000000040)='ext3\x00', &(0x7f00000001c0)='./trace/set_event\x00', 0x1018e58, &(0x7f00000005c0)={[{@nodioread_nolock}, {@noblock_validity}, {@data_err_ignore}, {@max_batch_time={'max_batch_time', 0x3d, 0x7}}, {@nodiscard}, {@grpid}, {@noauto_da_alloc}]}, 0x4, 0x61f, &(0x7f0000001140)="$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") 830.867112ms ago: executing program 2 (id=612): mount(0x0, &(0x7f0000000080)='./proc\x00', &(0x7f0000000100)='proc\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./proc/thread-self/fail-nth\x00', 0x2, 0x10b) bpf$PROG_LOAD(0x5, 0x0, 0xa0) write(r0, &(0x7f0000000000)='9', 0x1) unshare(0x6a040000) write(r0, &(0x7f0000000000)='10', 0x2) write(r0, &(0x7f0000000000)='11', 0x2) bpf$PROG_LOAD(0x5, 0x0, 0xa0) unshare(0x6a040000) 751.607186ms ago: executing program 1 (id=613): mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./file1\x00', 0x1c0) openat$dir(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x2100, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000240)) r0 = socket$inet6_sctp(0xa, 0x5, 0x84) bind$inet6(r0, &(0x7f0000000380)={0xa, 0x4e23, 0xfffffffc, @loopback}, 0x1c) listen(r0, 0x4) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r0, 0x84, 0x75, &(0x7f0000000080)={0x0, 0x4}, 0x8) setsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000000100)={0x0, 0x7}, 0x8) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(0xffffffffffffffff, 0x84, 0x75, &(0x7f0000000040)={0x0, 0x7}, 0x8) sendmmsg$inet6(0xffffffffffffffff, &(0x7f0000000980)=[{{&(0x7f00000000c0)={0xa, 0x4e23, 0x1, @loopback, 0x1}, 0x1c, &(0x7f0000000580)=[{&(0x7f0000001680)="89", 0x1}], 0x1}}], 0x1, 0x20000000) setsockopt$inet_sctp6_SCTP_RESET_STREAMS(0xffffffffffffffff, 0x84, 0x77, &(0x7f0000000240)=ANY=[], 0x10) 597.155483ms ago: executing program 1 (id=614): r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000040)={'syzkaller0\x00', 0x1}) r1 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000080)={'syzkaller0\x00', 0x0}) bpf$PROG_LOAD_XDP(0x5, 0x0, 0x0) r3 = socket$inet(0x2, 0x2, 0x0) ioctl$sock_inet_SIOCSIFFLAGS(r3, 0x8914, &(0x7f00000000c0)={'syzkaller0\x00', 0x1}) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=@newqdisc={0x30, 0x24, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r2, {0x0, 0xffff}, {0xfff1, 0xffff}}, [@qdisc_kind_options=@q_ingress={0xc}]}, 0x30}}, 0x0) write$tun(r0, &(0x7f0000000440)=ANY=[], 0x34) 523.343916ms ago: executing program 0 (id=615): mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./dev\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./dev\x00', &(0x7f00000000c0)='devtmpfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./dev/mapper/control\x00', 0x2, 0x0) write(0xffffffffffffffff, &(0x7f0000000138)='\x00\x00\x00\x00\x00\x00\x00\x00create_t', 0x10) ioctl(r0, 0xc138fd09, &(0x7f0000000000)) 514.858016ms ago: executing program 0 (id=616): r0 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000000)={0x1, &(0x7f0000000100)=[{0x6, 0x0, 0x0, 0x7fff0000}]}) mkdirat(0xffffffffffffff9c, &(0x7f0000001500)='./dev\x00', 0x1ff) mount(0x0, &(0x7f0000001500)='./dev\x00', &(0x7f0000001600)='devtmpfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./mnt\x00', 0x1ff) mount(&(0x7f00000000c0)=@filename='./dev/sda1\x00', &(0x7f0000000140)='./mnt\x00', &(0x7f0000000100)='ext4\x00', 0x8410, 0x0) openat$tun(0xffffffffffffff9c, &(0x7f0000000140), 0x59fc02, 0x0) close_range(r0, 0xffffffffffffffff, 0x0) 421.746931ms ago: executing program 1 (id=617): mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./proc\x00', 0x4) mount(0x0, &(0x7f0000000080)='./proc\x00', &(0x7f0000000100)='proc\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./proc/thread-self/fail-nth\x00', 0x2, 0x10b) write(r0, &(0x7f0000000000)='8', 0x1) bpf$PROG_LOAD(0x5, 0x0, 0xa0) unshare(0x6a040000) write(r0, &(0x7f0000000000)='9', 0x1) bpf$PROG_LOAD(0x5, 0x0, 0xa0) unshare(0x6a040000) write(r0, &(0x7f0000000000)='10', 0x2) bpf$PROG_LOAD(0x5, 0x0, 0xa0) unshare(0x6a040000) write(r0, &(0x7f0000000000)='11', 0x2) bpf$PROG_LOAD(0x5, 0x0, 0xa0) unshare(0x6a040000) write(r0, 0x0, 0x0) bpf$PROG_LOAD(0x5, 0x0, 0xa0) write(r0, &(0x7f0000000000)='13', 0x2) bpf$PROG_LOAD(0x5, 0x0, 0xa0) unshare(0x6a040000) write(r0, &(0x7f0000000000)='14', 0x2) bpf$PROG_LOAD(0x5, 0x0, 0xa0) unshare(0x6a040000) write(r0, &(0x7f0000000000)='15', 0x2) bpf$PROG_LOAD(0x5, 0x0, 0xa0) unshare(0x6a040000) write(r0, &(0x7f0000000000)='16', 0x2) bpf$PROG_LOAD(0x5, 0x0, 0xa0) unshare(0x6a040000) write(r0, &(0x7f0000000000)='17', 0x2) bpf$PROG_LOAD(0x5, 0x0, 0xa0) unshare(0x6a040000) write(r0, &(0x7f0000000000)='18', 0x2) bpf$PROG_LOAD(0x5, 0x0, 0xa0) unshare(0x6a040000) write(r0, &(0x7f0000000000)='19', 0x2) bpf$PROG_LOAD(0x5, 0x0, 0xa0) unshare(0x6a040000) 376.835973ms ago: executing program 2 (id=618): r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = bpf$BPF_PROG_WITH_BTFID_LOAD(0x5, &(0x7f0000000180)=@bpf_lsm={0x6, 0x3, &(0x7f0000000040)=ANY=[@ANYBLOB="18000000003f000000"], &(0x7f0000000140)='GPL\x00', 0x4, 0x0, 0x0, 0x40f00}, 0x94) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000240)=@newlink={0x34, 0x10, 0x801, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x1d084, 0x10000}, [@IFLA_XDP={0xc, 0x2b, 0x0, 0x1, [@IFLA_XDP_FD={0x8, 0x1, r1}]}, @IFLA_GROUP={0x8}]}, 0x34}, 0x1, 0x0, 0x0, 0x20000040}, 0x0) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, 0x0}, 0x4) 311.105756ms ago: executing program 0 (id=619): capset(&(0x7f0000000040)={0x19980330}, 0x0) r0 = syz_open_dev$sg(&(0x7f00000000c0), 0x6f5e, 0x2) ioctl$FIBMAP(r0, 0x1, &(0x7f0000000040)=0x85) 305.994916ms ago: executing program 0 (id=620): r0 = socket$inet_udp(0x2, 0x2, 0x0) bind$inet(r0, &(0x7f0000000180)={0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x1a}}, 0x10) setsockopt$sock_int(r0, 0x1, 0x6, &(0x7f0000000000)=0x4, 0x4) connect$inet(r0, &(0x7f0000000280)={0x2, 0x0, @broadcast}, 0x10) sendmmsg$inet(r0, &(0x7f0000004d00)=[{{0x0, 0x6000, 0x0, 0x0, 0x0, 0x0, 0x30000}}], 0x300, 0xf00) 165.714343ms ago: executing program 3 (id=621): mkdirat(0xffffffffffffff9c, &(0x7f0000001500)='./dev\x00', 0x1ff) mount(0x0, &(0x7f0000001500)='./dev\x00', &(0x7f0000001600)='devtmpfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./mnt\x00', 0x1ff) mount(&(0x7f00000000c0)=@filename='./dev/sda1\x00', &(0x7f0000000140)='./mnt\x00', &(0x7f0000000100)='ext4\x00', 0x8410, 0x0) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000140), 0x59fc02, 0x0) write(r0, &(0x7f0000001640)="8b", 0x1) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) 45.870598ms ago: executing program 4 (id=622): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./sys\x00', &(0x7f0000000040)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./sys/class/net/bridge0/bridge/stp_state\x00', 0x2, 0x0) write(r0, &(0x7f0000000100)='0', 0x1) 0s ago: executing program 2 (id=623): mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./proc\x00', 0x4) mount(0x0, &(0x7f0000000080)='./proc\x00', 0x0, 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./proc/thread-self/fail-nth\x00', 0x2, 0x10b) bpf$PROG_LOAD(0x5, 0x0, 0xa0) write(r0, &(0x7f0000000000)='12', 0x2) bpf$PROG_LOAD(0x5, 0x0, 0xa0) unshare(0x6a040000) kernel console output (not intermixed with test programs): f 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 67.381322][ T4427] RSP: 002b:00007fda8a697028 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 67.381346][ T4427] RAX: ffffffffffffffda RBX: 00007fda8bec5fa0 RCX: 00007fda8bc3e159 [ 67.381362][ T4427] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000006a040000 [ 67.381377][ T4427] RBP: 00007fda8bcd506b R08: 0000000000000000 R09: 0000000000000000 [ 67.381392][ T4427] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 67.381473][ T4427] R13: 00007fda8bec6038 R14: 00007fda8bec5fa0 R15: 00007ffe0d636d38 [ 67.381493][ T4427] [ 67.397190][ T4427] FAULT_INJECTION: forcing a failure. [ 67.397190][ T4427] name failslab, interval 1, probability 100, space 0, times 0 [ 67.397222][ T4427] CPU: 0 UID: 0 PID: 4427 Comm: syz.0.330 Not tainted syzkaller #0 PREEMPT(lazy) [ 67.397248][ T4427] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 67.397262][ T4427] Call Trace: [ 67.397269][ T4427] [ 67.397279][ T4427] __dump_stack+0x1d/0x30 [ 67.397318][ T4427] dump_stack_lvl+0x95/0xd0 [ 67.397341][ T4427] dump_stack+0x15/0x1b [ 67.397430][ T4427] should_fail_ex+0x262/0x280 [ 67.397456][ T4427] ? __list_lru_init+0x72/0x2f0 [ 67.397489][ T4427] should_failslab+0x8c/0xb0 [ 67.397519][ T4427] __kmalloc_noprof+0xd0/0x4d0 [ 67.397606][ T4427] ? __list_lru_init+0x72/0x2f0 [ 67.397639][ T4427] __list_lru_init+0x72/0x2f0 [ 67.397759][ T4427] sget_fc+0x8cf/0xf70 [ 67.397806][ T4427] ? __pfx_set_anon_super_fc+0x10/0x10 [ 67.397894][ T4427] ? __kmalloc_cache_noprof+0x19b/0x400 [ 67.397926][ T4427] ? mqueue_init_fs_context+0x38/0x2c0 [ 67.397952][ T4427] ? __pfx_mqueue_fill_super+0x10/0x10 [ 67.398106][ T4427] get_tree_nodev+0x2a/0x100 [ 67.398134][ T4427] mqueue_get_tree+0x5d/0x80 [ 67.398159][ T4427] vfs_get_tree+0x57/0x1d0 [ 67.398249][ T4427] fc_mount_longterm+0x18/0xb0 [ 67.398278][ T4427] mq_init_ns+0x2db/0x370 [ 67.398369][ T4427] copy_ipcs+0x26d/0x460 [ 67.398396][ T4427] create_new_namespaces+0x121/0x420 [ 67.398430][ T4427] unshare_nsproxy_namespaces+0x115/0x150 [ 67.398487][ T4427] ksys_unshare+0x42b/0x710 [ 67.398515][ T4427] __x64_sys_unshare+0x1f/0x30 [ 67.398573][ T4427] x64_sys_call+0x1e33/0x2550 [ 67.398599][ T4427] do_syscall_64+0x112/0x360 [ 67.398622][ T4427] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 67.398645][ T4427] RIP: 0033:0x7fda8bc3e159 [ 67.398700][ T4427] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 67.398755][ T4427] RSP: 002b:00007fda8a697028 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 67.398811][ T4427] RAX: ffffffffffffffda RBX: 00007fda8bec5fa0 RCX: 00007fda8bc3e159 [ 67.398825][ T4427] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000006a040000 [ 67.398839][ T4427] RBP: 00007fda8bcd506b R08: 0000000000000000 R09: 0000000000000000 [ 67.398859][ T4427] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 67.398873][ T4427] R13: 00007fda8bec6038 R14: 00007fda8bec5fa0 R15: 00007ffe0d636d38 [ 67.398893][ T4427] [ 67.415170][ T4427] FAULT_INJECTION: forcing a failure. [ 67.415170][ T4427] name failslab, interval 1, probability 100, space 0, times 0 [ 67.415204][ T4427] CPU: 0 UID: 0 PID: 4427 Comm: syz.0.330 Not tainted syzkaller #0 PREEMPT(lazy) [ 67.415276][ T4427] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 67.415290][ T4427] Call Trace: [ 67.415299][ T4427] [ 67.415308][ T4427] __dump_stack+0x1d/0x30 [ 67.415336][ T4427] dump_stack_lvl+0x95/0xd0 [ 67.415421][ T4427] dump_stack+0x15/0x1b [ 67.415443][ T4427] should_fail_ex+0x262/0x280 [ 67.415469][ T4427] ? __list_lru_init+0x72/0x2f0 [ 67.415549][ T4427] should_failslab+0x8c/0xb0 [ 67.415581][ T4427] __kmalloc_noprof+0xd0/0x4d0 [ 67.415613][ T4427] ? __list_lru_init+0x72/0x2f0 [ 67.415668][ T4427] __list_lru_init+0x72/0x2f0 [ 67.415770][ T4427] sget_fc+0x905/0xf70 [ 67.415797][ T4427] ? __pfx_set_anon_super_fc+0x10/0x10 [ 67.415849][ T4427] ? __kmalloc_cache_noprof+0x19b/0x400 [ 67.415909][ T4427] ? mqueue_init_fs_context+0x38/0x2c0 [ 67.415936][ T4427] ? __pfx_mqueue_fill_super+0x10/0x10 [ 67.415961][ T4427] get_tree_nodev+0x2a/0x100 [ 67.415990][ T4427] mqueue_get_tree+0x5d/0x80 [ 67.416017][ T4427] vfs_get_tree+0x57/0x1d0 [ 67.416047][ T4427] fc_mount_longterm+0x18/0xb0 [ 67.416076][ T4427] mq_init_ns+0x2db/0x370 [ 67.416112][ T4427] copy_ipcs+0x26d/0x460 [ 67.416138][ T4427] create_new_namespaces+0x121/0x420 [ 67.416218][ T4427] unshare_nsproxy_namespaces+0x115/0x150 [ 67.416252][ T4427] ksys_unshare+0x42b/0x710 [ 67.416334][ T4427] __x64_sys_unshare+0x1f/0x30 [ 67.416405][ T4427] x64_sys_call+0x1e33/0x2550 [ 67.416497][ T4427] do_syscall_64+0x112/0x360 [ 67.416526][ T4427] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 67.416575][ T4427] RIP: 0033:0x7fda8bc3e159 [ 67.416623][ T4427] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 67.416644][ T4427] RSP: 002b:00007fda8a697028 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 67.416667][ T4427] RAX: ffffffffffffffda RBX: 00007fda8bec5fa0 RCX: 00007fda8bc3e159 [ 67.416683][ T4427] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000006a040000 [ 67.416697][ T4427] RBP: 00007fda8bcd506b R08: 0000000000000000 R09: 0000000000000000 [ 67.416763][ T4427] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 67.416777][ T4427] R13: 00007fda8bec6038 R14: 00007fda8bec5fa0 R15: 00007ffe0d636d38 [ 67.416798][ T4427] [ 67.427720][ T4436] FAULT_INJECTION: forcing a failure. [ 67.427720][ T4436] name failslab, interval 1, probability 100, space 0, times 0 [ 67.427767][ T4436] CPU: 0 UID: 0 PID: 4436 Comm: syz.4.334 Not tainted syzkaller #0 PREEMPT(lazy) [ 67.427875][ T4436] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 67.427967][ T4436] Call Trace: [ 67.427975][ T4436] [ 67.427984][ T4436] __dump_stack+0x1d/0x30 [ 67.428023][ T4436] dump_stack_lvl+0x95/0xd0 [ 67.428121][ T4436] dump_stack+0x15/0x1b [ 67.428143][ T4436] should_fail_ex+0x262/0x280 [ 67.428169][ T4436] ? sget_fc+0x4ad/0xf70 [ 67.428193][ T4436] should_failslab+0x8c/0xb0 [ 67.428232][ T4436] __kmalloc_cache_noprof+0x7a/0x400 [ 67.428286][ T4436] ? sget_fc+0x4ad/0xf70 [ 67.428319][ T4436] sget_fc+0x4ad/0xf70 [ 67.428343][ T4436] ? __pfx_set_anon_super_fc+0x10/0x10 [ 67.428372][ T4436] ? __kmalloc_cache_noprof+0x19b/0x400 [ 67.428469][ T4436] ? mqueue_init_fs_context+0x38/0x2c0 [ 67.428495][ T4436] ? __pfx_mqueue_fill_super+0x10/0x10 [ 67.428521][ T4436] get_tree_nodev+0x2a/0x100 [ 67.428549][ T4436] mqueue_get_tree+0x5d/0x80 [ 67.428622][ T4436] vfs_get_tree+0x57/0x1d0 [ 67.428651][ T4436] fc_mount_longterm+0x18/0xb0 [ 67.428725][ T4436] mq_init_ns+0x2db/0x370 [ 67.428793][ T4436] copy_ipcs+0x26d/0x460 [ 67.428818][ T4436] create_new_namespaces+0x121/0x420 [ 67.428851][ T4436] unshare_nsproxy_namespaces+0x115/0x150 [ 67.428885][ T4436] ksys_unshare+0x42b/0x710 [ 67.428957][ T4436] __x64_sys_unshare+0x1f/0x30 [ 67.429038][ T4436] x64_sys_call+0x1e33/0x2550 [ 67.429064][ T4436] do_syscall_64+0x112/0x360 [ 67.429087][ T4436] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 67.429110][ T4436] RIP: 0033:0x7f3d29ebe159 [ 67.429197][ T4436] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 67.429217][ T4436] RSP: 002b:00007f3d28917028 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 67.429240][ T4436] RAX: ffffffffffffffda RBX: 00007f3d2a145fa0 RCX: 00007f3d29ebe159 [ 67.429276][ T4436] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000006a040000 [ 67.429341][ T4436] RBP: 00007f3d29f5506b R08: 0000000000000000 R09: 0000000000000000 [ 67.429355][ T4436] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 67.429450][ T4436] R13: 00007f3d2a146038 R14: 00007f3d2a145fa0 R15: 00007ffe2a709b98 [ 67.429545][ T4436] [ 67.437866][ T4427] FAULT_INJECTION: forcing a failure. [ 67.437866][ T4427] name failslab, interval 1, probability 100, space 0, times 0 [ 67.437899][ T4427] CPU: 0 UID: 0 PID: 4427 Comm: syz.0.330 Not tainted syzkaller #0 PREEMPT(lazy) [ 67.437926][ T4427] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 67.437939][ T4427] Call Trace: [ 67.437947][ T4427] [ 67.437955][ T4427] __dump_stack+0x1d/0x30 [ 67.438012][ T4427] dump_stack_lvl+0x95/0xd0 [ 67.438101][ T4427] dump_stack+0x15/0x1b [ 67.438141][ T4427] should_fail_ex+0x262/0x280 [ 67.438238][ T4427] ? sget_fc+0x93a/0xf70 [ 67.438263][ T4427] should_failslab+0x8c/0xb0 [ 67.438293][ T4427] __kmalloc_cache_noprof+0x7a/0x400 [ 67.438337][ T4427] ? mutex_unlock+0x4e/0x90 [ 67.438384][ T4427] ? sget_fc+0x93a/0xf70 [ 67.438409][ T4427] sget_fc+0x93a/0xf70 [ 67.438434][ T4427] ? __pfx_set_anon_super_fc+0x10/0x10 [ 67.438536][ T4427] ? __kmalloc_cache_noprof+0x19b/0x400 [ 67.438648][ T4427] ? mqueue_init_fs_context+0x38/0x2c0 [ 67.438675][ T4427] ? __pfx_mqueue_fill_super+0x10/0x10 [ 67.438723][ T4427] get_tree_nodev+0x2a/0x100 [ 67.438762][ T4427] mqueue_get_tree+0x5d/0x80 [ 67.438787][ T4427] vfs_get_tree+0x57/0x1d0 [ 67.438876][ T4427] fc_mount_longterm+0x18/0xb0 [ 67.438904][ T4427] mq_init_ns+0x2db/0x370 [ 67.438929][ T4427] copy_ipcs+0x26d/0x460 [ 67.438954][ T4427] create_new_namespaces+0x121/0x420 [ 67.438995][ T4427] unshare_nsproxy_namespaces+0x115/0x150 [ 67.439082][ T4427] ksys_unshare+0x42b/0x710 [ 67.439112][ T4427] __x64_sys_unshare+0x1f/0x30 [ 67.439206][ T4427] x64_sys_call+0x1e33/0x2550 [ 67.439274][ T4427] do_syscall_64+0x112/0x360 [ 67.439297][ T4427] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 67.439321][ T4427] RIP: 0033:0x7fda8bc3e159 [ 67.439392][ T4427] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 67.439412][ T4427] RSP: 002b:00007fda8a697028 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 67.439435][ T4427] RAX: ffffffffffffffda RBX: 00007fda8bec5fa0 RCX: 00007fda8bc3e159 [ 67.439451][ T4427] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000006a040000 [ 67.439464][ T4427] RBP: 00007fda8bcd506b R08: 0000000000000000 R09: 0000000000000000 [ 67.439478][ T4427] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 67.439552][ T4427] R13: 00007fda8bec6038 R14: 00007fda8bec5fa0 R15: 00007ffe0d636d38 [ 67.439572][ T4427] [ 67.459465][ T4436] FAULT_INJECTION: forcing a failure. [ 67.459465][ T4436] name failslab, interval 1, probability 100, space 0, times 0 [ 67.459497][ T4436] CPU: 0 UID: 0 PID: 4436 Comm: syz.4.334 Not tainted syzkaller #0 PREEMPT(lazy) [ 67.459602][ T4436] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 67.459615][ T4436] Call Trace: [ 67.459632][ T4436] [ 67.459641][ T4436] __dump_stack+0x1d/0x30 [ 67.459669][ T4436] dump_stack_lvl+0x95/0xd0 [ 67.459692][ T4436] dump_stack+0x15/0x1b [ 67.459718][ T4436] should_fail_ex+0x262/0x280 [ 67.459751][ T4436] ? mqueue_init_fs_context+0x38/0x2c0 ** 17 printk messages dropped ** [ 67.460492][ T4436] RSP: 002b:00007f3d28917028 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 67.460515][ T4436] RAX: ffffffffffffffda RBX: 00007f3d2a145fa0 RCX: 00007f3d29ebe159 [ 67.460570][ T4436] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000006a040000 [ 67.460661][ T4436] RBP: 00007f3d29f5506b R08: 0000000000000000 R09: 0000000000000000 [ 67.460676][ T4436] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 67.460693][ T4436] R13: 00007f3d2a146038 R14: 00007f3d2a145fa0 R15: 00007ffe2a709b98 [ 67.460713][ T4436] [ 67.461285][ T4427] FAULT_INJECTION: forcing a failure. [ 67.461285][ T4427] name failslab, interval 1, probability 100, space 0, times 0 [ 67.461311][ T4427] CPU: 0 UID: 0 PID: 4427 Comm: syz.0.330 Not tainted syzkaller #0 PREEMPT(lazy) [ 67.461337][ T4427] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 67.461399][ T4427] Call Trace: [ 67.461406][ T4427] [ 67.461454][ T4427] __dump_stack+0x1d/0x30 [ 67.461477][ T4427] dump_stack_lvl+0x95/0xd0 [ 67.461578][ T4427] dump_stack+0x15/0x1b [ 67.461635][ T4427] should_fail_ex+0x262/0x280 [ 67.461660][ T4427] should_failslab+0x8c/0xb0 [ 67.461732][ T4427] kmem_cache_alloc_lru_noprof+0x7f/0x3f0 [ 67.461768][ T4427] ? mqueue_alloc_inode+0x34/0x50 [ 67.461796][ T4427] ? mqueue_alloc_inode+0x34/0x50 [ 67.461840][ T4427] ? __pfx_mqueue_fill_super+0x10/0x10 [ 67.461868][ T4427] ? __pfx_mqueue_alloc_inode+0x10/0x10 [ 67.461894][ T4427] mqueue_alloc_inode+0x34/0x50 [ 67.461940][ T4427] alloc_inode+0x40/0x170 [ 67.461962][ T4427] new_inode+0x1d/0xe0 [ 67.461983][ T4427] ? __pfx_mqueue_fill_super+0x10/0x10 [ 67.462008][ T4427] mqueue_fill_super+0x89/0x1d0 [ 67.462076][ T4427] ? __pfx_mqueue_fill_super+0x10/0x10 [ 67.462102][ T4427] get_tree_nodev+0x83/0x100 [ 67.462130][ T4427] mqueue_get_tree+0x5d/0x80 [ 67.462204][ T4427] vfs_get_tree+0x57/0x1d0 [ 67.462233][ T4427] fc_mount_longterm+0x18/0xb0 [ 67.462261][ T4427] mq_init_ns+0x2db/0x370 [ 67.462284][ T4427] copy_ipcs+0x26d/0x460 [ 67.462365][ T4427] create_new_namespaces+0x121/0x420 [ 67.462397][ T4427] unshare_nsproxy_namespaces+0x115/0x150 [ 67.462460][ T4427] ksys_unshare+0x42b/0x710 [ 67.462492][ T4427] __x64_sys_unshare+0x1f/0x30 [ 67.462529][ T4427] x64_sys_call+0x1e33/0x2550 [ 67.462555][ T4427] do_syscall_64+0x112/0x360 [ 67.462576][ T4427] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 67.462600][ T4427] RIP: 0033:0x7fda8bc3e159 [ 67.462616][ T4427] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 67.462683][ T4427] RSP: 002b:00007fda8a697028 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 67.462705][ T4427] RAX: ffffffffffffffda RBX: 00007fda8bec5fa0 RCX: 00007fda8bc3e159 [ 67.462721][ T4427] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000006a040000 [ 67.462735][ T4427] RBP: 00007fda8bcd506b R08: 0000000000000000 R09: 0000000000000000 [ 67.462756][ T4427] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 67.462792][ T4427] R13: 00007fda8bec6038 R14: 00007fda8bec5fa0 R15: 00007ffe0d636d38 [ 67.462812][ T4427] [ 67.495450][ T4427] FAULT_INJECTION: forcing a failure. [ 67.495450][ T4427] name failslab, interval 1, probability 100, space 0, times 0 [ 67.495483][ T4427] CPU: 0 UID: 0 PID: 4427 Comm: syz.0.330 Not tainted syzkaller #0 PREEMPT(lazy) [ 67.495515][ T4427] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 67.495529][ T4427] Call Trace: [ 67.495605][ T4427] [ 67.495615][ T4427] __dump_stack+0x1d/0x30 [ 67.495642][ T4427] dump_stack_lvl+0x95/0xd0 [ 67.495666][ T4427] dump_stack+0x15/0x1b [ 67.495688][ T4427] should_fail_ex+0x262/0x280 [ 67.495756][ T4427] ? __memcg_list_lru_alloc+0x288/0x470 [ 67.495792][ T4427] should_failslab+0x8c/0xb0 [ 67.495822][ T4427] __kmalloc_noprof+0xd0/0x4d0 [ 67.495851][ T4427] ? __memcg_list_lru_alloc+0x288/0x470 [ 67.495965][ T4427] ? _find_next_zero_bit+0x29/0xa0 [ 67.495999][ T4427] __memcg_list_lru_alloc+0x288/0x470 [ 67.496041][ T4427] memcg_list_lru_alloc+0x88/0xa0 [ 67.496105][ T4427] __memcg_slab_post_alloc_hook+0x23f/0x8d0 [ 67.496133][ T4427] ? __rcu_read_unlock+0x4e/0x70 [ 67.496163][ T4427] ? should_fail_ex+0xdb/0x280 [ 67.496201][ T4427] kmem_cache_alloc_lru_noprof+0x1f4/0x3f0 [ 67.496231][ T4427] ? mqueue_alloc_inode+0x34/0x50 [ 67.496256][ T4427] ? mqueue_alloc_inode+0x34/0x50 [ 67.496340][ T4427] ? __pfx_mqueue_fill_super+0x10/0x10 [ 67.496389][ T4427] ? __pfx_mqueue_alloc_inode+0x10/0x10 [ 67.496414][ T4427] mqueue_alloc_inode+0x34/0x50 [ 67.496439][ T4427] alloc_inode+0x40/0x170 [ 67.496482][ T4427] new_inode+0x1d/0xe0 [ 67.496503][ T4427] ? __pfx_mqueue_fill_super+0x10/0x10 [ 67.496597][ T4427] mqueue_fill_super+0x89/0x1d0 [ 67.496639][ T4427] ? __pfx_mqueue_fill_super+0x10/0x10 [ 67.496665][ T4427] get_tree_nodev+0x83/0x100 [ 67.496693][ T4427] mqueue_get_tree+0x5d/0x80 [ 67.496754][ T4427] vfs_get_tree+0x57/0x1d0 [ 67.496862][ T4427] fc_mount_longterm+0x18/0xb0 [ 67.496890][ T4427] mq_init_ns+0x2db/0x370 [ 67.496913][ T4427] copy_ipcs+0x26d/0x460 [ 67.496938][ T4427] create_new_namespaces+0x121/0x420 [ 67.497015][ T4427] unshare_nsproxy_namespaces+0x115/0x150 [ 67.497049][ T4427] ksys_unshare+0x42b/0x710 [ 67.497078][ T4427] __x64_sys_unshare+0x1f/0x30 [ 67.497131][ T4427] x64_sys_call+0x1e33/0x2550 [ 67.497182][ T4427] do_syscall_64+0x112/0x360 [ 67.497204][ T4427] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 67.497308][ T4427] RIP: 0033:0x7fda8bc3e159 [ 67.497326][ T4427] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 67.497348][ T4427] RSP: 002b:00007fda8a697028 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 67.497372][ T4427] RAX: ffffffffffffffda RBX: 00007fda8bec5fa0 RCX: 00007fda8bc3e159 [ 67.497407][ T4427] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000006a040000 [ 67.497421][ T4427] RBP: 00007fda8bcd506b R08: 0000000000000000 R09: 0000000000000000 [ 67.497436][ T4427] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 67.497530][ T4427] R13: 00007fda8bec6038 R14: 00007fda8bec5fa0 R15: 00007ffe0d636d38 [ 67.497551][ T4427] [ 67.500639][ T4436] FAULT_INJECTION: forcing a failure. [ 67.500639][ T4436] name failslab, interval 1, probability 100, space 0, times 0 [ 67.500694][ T4436] CPU: 0 UID: 0 PID: 4436 Comm: syz.4.334 Not tainted syzkaller #0 PREEMPT(lazy) [ 67.500720][ T4436] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 67.500734][ T4436] Call Trace: [ 67.500741][ T4436] [ 67.500757][ T4436] __dump_stack+0x1d/0x30 [ 67.500791][ T4436] dump_stack_lvl+0x95/0xd0 [ 67.500813][ T4436] dump_stack+0x15/0x1b [ 67.500835][ T4436] should_fail_ex+0x262/0x280 [ 67.500861][ T4436] ? sget_fc+0x4ad/0xf70 [ 67.500940][ T4436] should_failslab+0x8c/0xb0 [ 67.500970][ T4436] __kmalloc_cache_noprof+0x7a/0x400 [ 67.501003][ T4436] ? sget_fc+0x4ad/0xf70 [ 67.501066][ T4436] sget_fc+0x4ad/0xf70 [ 67.501090][ T4436] ? __pfx_set_anon_super_fc+0x10/0x10 [ 67.501119][ T4436] ? __kmalloc_cache_noprof+0x19b/0x400 [ 67.501150][ T4436] ? mqueue_init_fs_context+0x38/0x2c0 [ 67.501195][ T4436] ? __pfx_mqueue_fill_super+0x10/0x10 [ 67.501253][ T4436] get_tree_nodev+0x2a/0x100 [ 67.501312][ T4436] mqueue_get_tree+0x5d/0x80 [ 67.501336][ T4436] vfs_get_tree+0x57/0x1d0 [ 67.501365][ T4436] fc_mount_longterm+0x18/0xb0 [ 67.501513][ T4436] mq_init_ns+0x2db/0x370 [ 67.501536][ T4436] copy_ipcs+0x26d/0x460 [ 67.501561][ T4436] create_new_namespaces+0x121/0x420 [ 67.501667][ T4436] unshare_nsproxy_namespaces+0x115/0x150 [ 67.501706][ T4436] ksys_unshare+0x42b/0x710 [ 67.501774][ T4436] __x64_sys_unshare+0x1f/0x30 [ 67.501801][ T4436] x64_sys_call+0x1e33/0x2550 [ 67.501827][ T4436] do_syscall_64+0x112/0x360 [ 67.501849][ T4436] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 67.501893][ T4436] RIP: 0033:0x7f3d29ebe159 [ 67.501910][ T4436] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 67.501929][ T4436] RSP: 002b:00007f3d28917028 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 67.501952][ T4436] RAX: ffffffffffffffda RBX: 00007f3d2a145fa0 RCX: 00007f3d29ebe159 [ 67.501967][ T4436] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000006a040000 [ 67.501982][ T4436] RBP: 00007f3d29f5506b R08: 0000000000000000 R09: 0000000000000000 [ 67.501997][ T4436] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 67.502029][ T4436] R13: 00007f3d2a146038 R14: 00007f3d2a145fa0 R15: 00007ffe2a709b98 [ 67.502050][ T4436] [ 67.526244][ T4436] FAULT_INJECTION: forcing a failure. [ 67.526244][ T4436] name failslab, interval 1, probability 100, space 0, times 0 [ 67.526357][ T4436] CPU: 0 UID: 0 PID: 4436 Comm: syz.4.334 Not tainted syzkaller #0 PREEMPT(lazy) [ 67.526401][ T4436] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 67.526415][ T4436] Call Trace: [ 67.526423][ T4436] [ 67.526432][ T4436] __dump_stack+0x1d/0x30 [ 67.526514][ T4436] dump_stack_lvl+0x95/0xd0 [ 67.526599][ T4436] dump_stack+0x15/0x1b [ 67.526672][ T4436] should_fail_ex+0x262/0x280 [ 67.526697][ T4436] ? security_sb_alloc+0x48/0x100 [ 67.526722][ T4436] should_failslab+0x8c/0xb0 [ 67.526770][ T4436] __kmalloc_noprof+0xd0/0x4d0 [ 67.526799][ T4436] ? should_failslab+0x8c/0xb0 [ 67.526892][ T4436] ? security_sb_alloc+0x48/0x100 [ 67.526917][ T4436] security_sb_alloc+0x48/0x100 [ 67.526995][ T4436] sget_fc+0x576/0xf70 [ 67.527021][ T4436] ? __pfx_set_anon_super_fc+0x10/0x10 [ 67.527050][ T4436] ? __kmalloc_cache_noprof+0x19b/0x400 [ 67.527158][ T4436] ? mqueue_init_fs_context+0x38/0x2c0 [ 67.527184][ T4436] ? __pfx_mqueue_fill_super+0x10/0x10 [ 67.527210][ T4436] get_tree_nodev+0x2a/0x100 [ 67.527262][ T4436] mqueue_get_tree+0x5d/0x80 [ 67.527287][ T4436] vfs_get_tree+0x57/0x1d0 [ 67.527316][ T4436] fc_mount_longterm+0x18/0xb0 [ 67.527358][ T4436] mq_init_ns+0x2db/0x370 [ 67.527381][ T4436] copy_ipcs+0x26d/0x460 [ 67.527406][ T4436] create_new_namespaces+0x121/0x420 [ 67.527506][ T4436] unshare_nsproxy_namespaces+0x115/0x150 [ 67.527614][ T4436] ksys_unshare+0x42b/0x710 [ 67.527642][ T4436] __x64_sys_unshare+0x1f/0x30 [ 67.527704][ T4436] x64_sys_call+0x1e33/0x2550 [ 67.527804][ T4436] do_syscall_64+0x112/0x360 [ 67.527826][ T4436] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 67.527910][ T4436] RIP: 0033:0x7f3d29ebe159 [ 67.527928][ T4436] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 67.527948][ T4436] RSP: 002b:00007f3d28917028 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 67.527970][ T4436] RAX: ffffffffffffffda RBX: 00007f3d2a145fa0 RCX: 00007f3d29ebe159 [ 67.527987][ T4436] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000006a040000 [ 67.528001][ T4436] RBP: 00007f3d29f5506b R08: 0000000000000000 R09: 0000000000000000 [ 67.528065][ T4436] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 67.528079][ T4436] R13: 00007f3d2a146038 R14: 00007f3d2a145fa0 R15: 00007ffe2a709b98 [ 67.528122][ T4436] [ 67.556251][ T4436] FAULT_INJECTION: forcing a failure. [ 67.556251][ T4436] name failslab, interval 1, probability 100, space 0, times 0 [ 67.556286][ T4436] CPU: 0 UID: 0 PID: 4436 Comm: syz.4.334 Not tainted syzkaller #0 PREEMPT(lazy) [ 67.556431][ T4436] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 67.556445][ T4436] Call Trace: [ 67.556454][ T4436] [ 67.556464][ T4436] __dump_stack+0x1d/0x30 [ 67.556491][ T4436] dump_stack_lvl+0x95/0xd0 [ 67.556515][ T4436] dump_stack+0x15/0x1b [ 67.556563][ T4436] should_fail_ex+0x262/0x280 [ 67.556589][ T4436] ? shrinker_alloc+0x3b/0x6e0 [ 67.556632][ T4436] should_failslab+0x8c/0xb0 [ 67.556663][ T4436] __kmalloc_cache_noprof+0x7a/0x400 [ 67.556695][ T4436] ? shrinker_alloc+0x3b/0x6e0 [ 67.556777][ T4436] shrinker_alloc+0x3b/0x6e0 [ 67.556853][ T4436] ? __percpu_init_rwsem+0x24/0x90 [ 67.556888][ T4436] ? rcu_sync_init+0x32/0x40 [ 67.556921][ T4436] sget_fc+0x819/0xf70 [ 67.556982][ T4436] ? __pfx_set_anon_super_fc+0x10/0x10 [ 67.557011][ T4436] ? __kmalloc_cache_noprof+0x19b/0x400 [ 67.557115][ T4436] ? mqueue_init_fs_context+0x38/0x2c0 [ 67.557156][ T4436] ? __pfx_mqueue_fill_super+0x10/0x10 [ 67.557181][ T4436] get_tree_nodev+0x2a/0x100 [ 67.557209][ T4436] mqueue_get_tree+0x5d/0x80 [ 67.557256][ T4436] vfs_get_tree+0x57/0x1d0 [ 67.557378][ T4436] fc_mount_longterm+0x18/0xb0 [ 67.557406][ T4436] mq_init_ns+0x2db/0x370 [ 67.557430][ T4436] copy_ipcs+0x26d/0x460 [ 67.557455][ T4436] create_new_namespaces+0x121/0x420 [ 67.557624][ T4436] unshare_nsproxy_namespaces+0x115/0x150 [ 67.557683][ T4436] ksys_unshare+0x42b/0x710 [ 67.557712][ T4436] __x64_sys_unshare+0x1f/0x30 [ 67.557740][ T4436] x64_sys_call+0x1e33/0x2550 [ 67.557781][ T4436] do_syscall_64+0x112/0x360 [ 67.557803][ T4436] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 67.557835][ T4436] RIP: 0033:0x7f3d29ebe159 [ 67.557853][ T4436] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 67.557872][ T4436] RSP: 002b:00007f3d28917028 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 67.557896][ T4436] RAX: ffffffffffffffda RBX: 00007f3d2a145fa0 RCX: 00007f3d29ebe159 [ 67.557978][ T4436] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000006a040000 [ 67.557994][ T4436] RBP: 00007f3d29f5506b R08: 0000000000000000 R09: 0000000000000000 [ 67.558042][ T4436] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 67.558056][ T4436] R13: 00007f3d2a146038 R14: 00007f3d2a145fa0 R15: 00007ffe2a709b98 [ 67.558077][ T4436] [ 67.596643][ T4436] FAULT_INJECTION: forcing a failure. [ 67.596643][ T4436] name failslab, interval 1, probability 100, space 0, times 0 [ 67.596675][ T4436] CPU: 0 UID: 0 PID: 4436 Comm: syz.4.334 Not tainted syzkaller #0 PREEMPT(lazy) [ 67.596700][ T4436] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 67.596714][ T4436] Call Trace: [ 67.596723][ T4436] [ 67.596733][ T4436] __dump_stack+0x1d/0x30 [ 67.596773][ T4436] dump_stack_lvl+0x95/0xd0 [ 67.596797][ T4436] dump_stack+0x15/0x1b [ 67.596819][ T4436] should_fail_ex+0x262/0x280 [ 67.596852][ T4436] ? __list_lru_init+0x72/0x2f0 [ 67.596911][ T4436] should_failslab+0x8c/0xb0 [ 67.596941][ T4436] __kmalloc_noprof+0xd0/0x4d0 [ 67.596972][ T4436] ? __list_lru_init+0x72/0x2f0 [ 67.597062][ T4436] __list_lru_init+0x72/0x2f0 [ 67.597096][ T4436] sget_fc+0x8cf/0xf70 [ 67.597120][ T4436] ? __pfx_set_anon_super_fc+0x10/0x10 [ 67.597149][ T4436] ? __kmalloc_cache_noprof+0x19b/0x400 [ 67.597255][ T4436] ? mqueue_init_fs_context+0x38/0x2c0 [ 67.597284][ T4436] ? __pfx_mqueue_fill_super+0x10/0x10 [ 67.597310][ T4436] get_tree_nodev+0x2a/0x100 [ 67.597338][ T4436] mqueue_get_tree+0x5d/0x80 [ 67.597363][ T4436] vfs_get_tree+0x57/0x1d0 [ 67.597408][ T4436] fc_mount_longterm+0x18/0xb0 [ 67.597437][ T4436] mq_init_ns+0x2db/0x370 [ 67.597459][ T4436] copy_ipcs+0x26d/0x460 [ 67.597511][ T4436] create_new_namespaces+0x121/0x420 [ 67.597544][ T4436] unshare_nsproxy_namespaces+0x115/0x150 [ 67.597636][ T4436] ksys_unshare+0x42b/0x710 [ 67.597665][ T4436] __x64_sys_unshare+0x1f/0x30 [ 67.597692][ T4436] x64_sys_call+0x1e33/0x2550 [ 67.597849][ T4436] do_syscall_64+0x112/0x360 [ 67.597872][ T4436] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 67.597895][ T4436] RIP: 0033:0x7f3d29ebe159 [ 67.597913][ T4436] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 67.597933][ T4436] RSP: 002b:00007f3d28917028 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 67.597990][ T4436] RAX: ffffffffffffffda RBX: 00007f3d2a145fa0 RCX: 00007f3d29ebe159 [ 67.598005][ T4436] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000006a040000 [ 67.598019][ T4436] RBP: 00007f3d29f5506b R08: 0000000000000000 R09: 0000000000000000 [ 67.598098][ T4436] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 67.598175][ T4436] R13: 00007f3d2a146038 R14: 00007f3d2a145fa0 R15: 00007ffe2a709b98 [ 67.598196][ T4436] [ 67.603146][ T4427] FAULT_INJECTION: forcing a failure. [ 67.603146][ T4427] name failslab, interval 1, probability 100, space 0, times 0 [ 67.603247][ T4427] CPU: 0 UID: 0 PID: 4427 Comm: syz.0.330 Not tainted syzkaller #0 PREEMPT(lazy) [ 67.603310][ T4427] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 67.603322][ T4427] Call Trace: [ 67.603330][ T4427] [ 67.603338][ T4427] __dump_stack+0x1d/0x30 [ 67.603363][ T4427] dump_stack_lvl+0x95/0xd0 [ 67.603387][ T4427] dump_stack+0x15/0x1b [ 67.603427][ T4427] should_fail_ex+0x262/0x280 [ 67.603473][ T4427] should_failslab+0x8c/0xb0 [ 67.603503][ T4427] __kvmalloc_node_noprof+0x168/0x5c0 [ 67.603572][ T4427] ? __rhashtable_init_noprof+0x320/0x490 [ 67.603646][ T4427] ? __rhashtable_init_noprof+0x320/0x490 [ 67.603674][ T4427] __rhashtable_init_noprof+0x320/0x490 [ 67.603761][ T4427] ioam6_net_init+0xb5/0x110 [ 67.603841][ T4427] ops_init+0x22a/0x2e0 [ 67.603929][ T4427] setup_net+0x9f/0x230 [ 67.603956][ T4427] copy_net_ns+0x333/0x490 [ 67.603983][ T4427] create_new_namespaces+0x1f6/0x420 [ 67.604038][ T4427] unshare_nsproxy_namespaces+0x115/0x150 [ 67.604073][ T4427] ksys_unshare+0x42b/0x710 [ 67.604102][ T4427] __x64_sys_unshare+0x1f/0x30 [ 67.604150][ T4427] x64_sys_call+0x1e33/0x2550 [ 67.604178][ T4427] do_syscall_64+0x112/0x360 [ 67.604199][ T4427] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 67.604223][ T4427] RIP: 0033:0x7fda8bc3e159 [ 67.604241][ T4427] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 67.604263][ T4427] RSP: 002b:00007fda8a697028 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 67.604286][ T4427] RAX: ffffffffffffffda RBX: 00007fda8bec5fa0 RCX: 00007fda8bc3e159 [ 67.604301][ T4427] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000006a040000 [ 67.604315][ T4427] RBP: 00007fda8bcd506b R08: 0000000000000000 R09: 0000000000000000 [ 67.604329][ T4427] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 67.604344][ T4427] R13: 00007fda8bec6038 R14: 00007fda8bec5fa0 R15: 00007ffe0d636d38 [ 67.604445][ T4427] [ 67.627992][ T4436] FAULT_INJECTION: forcing a failure. [ 67.627992][ T4436] name failslab, interval 1, probability 100, space 0, times 0 [ 67.628101][ T4436] CPU: 0 UID: 0 PID: 4436 Comm: syz.4.334 Not tainted syzkaller #0 PREEMPT(lazy) [ 67.628128][ T4436] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 67.628142][ T4436] Call Trace: [ 67.628150][ T4436] [ 67.628160][ T4436] __dump_stack+0x1d/0x30 [ 67.628188][ T4436] dump_stack_lvl+0x95/0xd0 [ 67.628262][ T4436] dump_stack+0x15/0x1b [ 67.628283][ T4436] should_fail_ex+0x262/0x280 [ 67.628308][ T4436] ? __list_lru_init+0x72/0x2f0 [ 67.628384][ T4436] should_failslab+0x8c/0xb0 [ 67.628414][ T4436] __kmalloc_noprof+0xd0/0x4d0 [ 67.628477][ T4436] ? __list_lru_init+0x72/0x2f0 [ 67.628510][ T4436] __list_lru_init+0x72/0x2f0 [ 67.628585][ T4436] sget_fc+0x905/0xf70 [ 67.628610][ T4436] ? __pfx_set_anon_super_fc+0x10/0x10 [ 67.628639][ T4436] ? __kmalloc_cache_noprof+0x19b/0x400 [ 67.628734][ T4436] ? mqueue_init_fs_context+0x38/0x2c0 [ 67.628761][ T4436] ? __pfx_mqueue_fill_super+0x10/0x10 [ 67.628787][ T4436] get_tree_nodev+0x2a/0x100 [ 67.628885][ T4436] mqueue_get_tree+0x5d/0x80 [ 67.628910][ T4436] vfs_get_tree+0x57/0x1d0 [ 67.628939][ T4436] fc_mount_longterm+0x18/0xb0 [ 67.628978][ T4436] mq_init_ns+0x2db/0x370 [ 67.629001][ T4436] copy_ipcs+0x26d/0x460 [ 67.629025][ T4436] create_new_namespaces+0x121/0x420 [ 67.629076][ T4436] unshare_nsproxy_namespaces+0x115/0x150 [ 67.629109][ T4436] ksys_unshare+0x42b/0x710 [ 67.629138][ T4436] __x64_sys_unshare+0x1f/0x30 [ 67.629165][ T4436] x64_sys_call+0x1e33/0x2550 [ 67.629254][ T4436] do_syscall_64+0x112/0x360 [ 67.629277][ T4436] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 67.629365][ T4436] RIP: 0033:0x7f3d29ebe159 [ 67.629383][ T4436] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 67.629402][ T4436] RSP: 002b:00007f3d28917028 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 67.629426][ T4436] RAX: ffffffffffffffda RBX: 00007f3d2a145fa0 RCX: 00007f3d29ebe159 [ 67.629441][ T4436] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000006a040000 [ 67.629530][ T4436] RBP: 00007f3d29f5506b R08: 0000000000000000 R09: 0000000000000000 [ 67.629544][ T4436] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 67.629573][ T4436] R13: 00007f3d2a146038 R14: 00007f3d2a145fa0 R15: 00007ffe2a709b98 [ 67.629630][ T4436] [ 67.644586][ T4442] siw: device registration error -23 [ 67.667494][ T4427] wg1 speed is unknown, defaulting to 1000 [ 67.692002][ T4445] FAULT_INJECTION: forcing a failure. [ 67.692002][ T4445] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 67.692034][ T4445] CPU: 0 UID: 0 PID: 4445 Comm: syz.1.337 Not tainted syzkaller #0 PREEMPT(lazy) [ 67.692061][ T4445] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 67.692076][ T4445] Call Trace: [ 67.692084][ T4445] [ 67.692172][ T4445] __dump_stack+0x1d/0x30 [ 67.692229][ T4445] dump_stack_lvl+0x95/0xd0 [ 67.692253][ T4445] dump_stack+0x15/0x1b [ 67.692275][ T4445] should_fail_ex+0x262/0x280 [ 67.692311][ T4445] should_fail+0xb/0x20 [ 67.692333][ T4445] should_fail_usercopy+0x1a/0x20 [ 67.692432][ T4445] _copy_to_user+0x20/0xa0 [ 67.692461][ T4445] bpf_vlog_reverse_ubuf+0x21d/0x360 [ 67.692487][ T4445] bpf_vlog_finalize+0x147/0x200 [ 67.692510][ T4445] bpf_log_attr_finalize+0x33/0x100 [ 67.692576][ T4445] btf_new_fd+0x34a/0x670 [ 67.692651][ T4445] bpf_btf_load+0x116/0x130 [ 67.692679][ T4445] __sys_bpf+0xbce/0xc30 [ 67.692706][ T4445] ? do_futex+0x300/0x460 [ 67.692790][ T4445] __x64_sys_bpf+0x69/0x80 [ 67.692894][ T4445] x64_sys_call+0xf26/0x2550 [ 67.692920][ T4445] do_syscall_64+0x112/0x360 [ 67.692956][ T4445] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 67.692981][ T4445] RIP: 0033:0x7f5455d3e159 [ 67.692999][ T4445] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 67.693031][ T4445] RSP: 002b:00007f5454797028 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 67.693064][ T4445] RAX: ffffffffffffffda RBX: 00007f5455fc5fa0 RCX: 00007f5455d3e159 [ 67.693080][ T4445] RDX: 0000000000000028 RSI: 0000200000000180 RDI: 0000000000000012 [ 67.693094][ T4445] RBP: 00007f5455dd506b R08: 0000000000000000 R09: 0000000000000000 [ 67.693108][ T4445] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 67.693122][ T4445] R13: 00007f5455fc6038 R14: 00007f5455fc5fa0 R15: 00007ffc6441edc8 [ 67.693142][ T4445] [ 67.704726][ T4436] wg1 speed is unknown, defaulting to 1000 [ 67.722397][ T4436] FAULT_INJECTION: forcing a failure. [ 67.722397][ T4436] name failslab, interval 1, probability 100, space 0, times 0 [ 67.722455][ T4436] CPU: 0 UID: 0 PID: 4436 Comm: syz.4.334 Not tainted syzkaller #0 PREEMPT(lazy) [ 67.722481][ T4436] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 67.722495][ T4436] Call Trace: [ 67.722526][ T4436] [ 67.722535][ T4436] __dump_stack+0x1d/0x30 [ 67.722561][ T4436] dump_stack_lvl+0x95/0xd0 [ 67.722584][ T4436] dump_stack+0x15/0x1b [ 67.722606][ T4436] should_fail_ex+0x262/0x280 [ 67.722702][ T4436] ? register_netdevice+0x1a2/0x11a0 [ 67.722736][ T4436] should_failslab+0x8c/0xb0 [ 67.722819][ T4436] __kmalloc_cache_noprof+0x7a/0x400 [ 67.722974][ T4436] ? register_netdevice+0x1a2/0x11a0 [ 67.723009][ T4436] register_netdevice+0x1a2/0x11a0 [ 67.723121][ T4436] __ip_tunnel_create+0x31d/0x420 [ 67.723144][ T4436] ? __mutex_lock_slowpath+0xa/0x10 [ 67.723176][ T4436] ? mutex_lock+0x88/0x90 [ 67.723273][ T4436] ip_tunnel_init_net+0x208/0x490 [ 67.723294][ T4436] ? should_failslab+0x8c/0xb0 [ 67.723326][ T4436] ipgre_init_net+0x30/0x40 [ 67.723381][ T4436] ops_init+0x22a/0x2e0 [ 67.723411][ T4436] setup_net+0x9f/0x230 [ 67.723458][ T4436] copy_net_ns+0x333/0x490 [ 67.723556][ T4436] create_new_namespaces+0x1f6/0x420 [ 67.723643][ T4436] unshare_nsproxy_namespaces+0x115/0x150 [ 67.723676][ T4436] ksys_unshare+0x42b/0x710 [ 67.723706][ T4436] __x64_sys_unshare+0x1f/0x30 [ 67.723735][ T4436] x64_sys_call+0x1e33/0x2550 [ 67.723761][ T4436] do_syscall_64+0x112/0x360 [ 67.723783][ T4436] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 67.723806][ T4436] RIP: 0033:0x7f3d29ebe159 [ 67.723831][ T4436] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 67.723916][ T4436] RSP: 002b:00007f3d28917028 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 67.723939][ T4436] RAX: ffffffffffffffda RBX: 00007f3d2a145fa0 RCX: 00007f3d29ebe159 [ 67.723955][ T4436] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000006a040000 [ 67.724000][ T4436] RBP: 00007f3d29f5506b R08: 0000000000000000 R09: 0000000000000000 [ 67.724026][ T4436] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 67.724040][ T4436] R13: 00007f3d2a146038 R14: 00007f3d2a145fa0 R15: 00007ffe2a709b98 [ 67.724061][ T4436] [ 67.829764][ T4436] FAULT_INJECTION: forcing a failure. [ 67.829764][ T4436] name failslab, interval 1, probability 100, space 0, times 0 [ 67.829870][ T4436] CPU: 0 UID: 0 PID: 4436 Comm: syz.4.334 Not tainted syzkaller #0 PREEMPT(lazy) [ 67.829906][ T4436] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 67.829920][ T4436] Call Trace: [ 67.829928][ T4436] [ 67.829935][ T4436] __dump_stack+0x1d/0x30 [ 67.829985][ T4436] dump_stack_lvl+0x95/0xd0 [ 67.830044][ T4436] dump_stack+0x15/0x1b [ 67.830066][ T4436] should_fail_ex+0x262/0x280 [ 67.830091][ T4436] ? kobject_get_path+0x92/0x1c0 [ 67.830117][ T4436] should_failslab+0x8c/0xb0 [ 67.830183][ T4436] __kmalloc_noprof+0xd0/0x4d0 [ 67.830214][ T4436] ? kobject_get_path+0x92/0x1c0 [ 67.830239][ T4436] ? should_failslab+0x8c/0xb0 [ 67.830269][ T4436] kobject_get_path+0x92/0x1c0 [ 67.830375][ T4436] kobject_uevent_env+0x1c2/0x560 [ 67.830403][ T4436] ? _raw_spin_unlock_irqrestore+0x9/0x30 [ 67.830428][ T4436] ? devres_release_all+0x28b/0x2d0 [ 67.830459][ T4436] kobject_uevent+0x1d/0x30 [ 67.830500][ T4436] device_del+0x708/0x790 [ 67.830583][ T4436] ? pm_runtime_set_memalloc_noio+0x181/0x1a0 [ 67.830611][ T4436] netdev_unregister_kobject+0x239/0x250 [ 67.830634][ T4436] unregister_netdevice_many_notify+0x1195/0x1560 [ 67.830704][ T4436] unregister_netdevice_many+0x19/0x20 [ 67.830727][ T4436] ops_undo_list+0x21d/0x420 [ 67.830758][ T4436] setup_net+0x1f2/0x230 [ 67.830786][ T4436] copy_net_ns+0x333/0x490 [ 67.830843][ T4436] create_new_namespaces+0x1f6/0x420 [ 67.830897][ T4436] unshare_nsproxy_namespaces+0x115/0x150 [ 67.830930][ T4436] ksys_unshare+0x42b/0x710 [ 67.830958][ T4436] __x64_sys_unshare+0x1f/0x30 [ 67.830985][ T4436] x64_sys_call+0x1e33/0x2550 [ 67.831061][ T4436] do_syscall_64+0x112/0x360 [ 67.831148][ T4436] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 67.831172][ T4436] RIP: 0033:0x7f3d29ebe159 [ 67.831190][ T4436] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 67.831257][ T4436] RSP: 002b:00007f3d28917028 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 67.831280][ T4436] RAX: ffffffffffffffda RBX: 00007f3d2a145fa0 RCX: 00007f3d29ebe159 [ 67.831373][ T4436] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000006a040000 [ 67.831388][ T4436] RBP: 00007f3d29f5506b R08: 0000000000000000 R09: 0000000000000000 [ 67.831402][ T4436] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 67.831467][ T4436] R13: 00007f3d2a146038 R14: 00007f3d2a145fa0 R15: 00007ffe2a709b98 [ 67.831487][ T4436] [ 67.849190][ T4448] FAULT_INJECTION: forcing a failure. [ 67.849190][ T4448] name failslab, interval 1, probability 100, space 0, times 0 [ 67.849224][ T4448] CPU: 0 UID: 0 PID: 4448 Comm: syz.1.338 Not tainted syzkaller #0 PREEMPT(lazy) [ 67.849251][ T4448] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 67.849266][ T4448] Call Trace: [ 67.849274][ T4448] [ 67.849312][ T4448] __dump_stack+0x1d/0x30 [ 67.849339][ T4448] dump_stack_lvl+0x95/0xd0 [ 67.849363][ T4448] dump_stack+0x15/0x1b [ 67.849384][ T4448] should_fail_ex+0x262/0x280 [ 67.849518][ T4448] ? alloc_fs_context+0x41/0x570 [ 67.849541][ T4448] should_failslab+0x8c/0xb0 [ 67.849571][ T4448] __kmalloc_cache_noprof+0x7a/0x400 [ 67.849602][ T4448] ? ida_alloc_range+0x6f4/0x730 [ 67.849625][ T4448] ? alloc_fs_context+0x41/0x570 [ 67.849701][ T4448] alloc_fs_context+0x41/0x570 [ 67.849727][ T4448] ? fs_context_for_mount+0x11/0x30 [ 67.849752][ T4448] fs_context_for_mount+0x22/0x30 [ 67.849779][ T4448] mq_init_ns+0xac/0x370 [ 67.849873][ T4448] copy_ipcs+0x26d/0x460 [ 67.849899][ T4448] create_new_namespaces+0x121/0x420 [ 67.849944][ T4448] unshare_nsproxy_namespaces+0x115/0x150 [ 67.849977][ T4448] ksys_unshare+0x42b/0x710 [ 67.850071][ T4448] __x64_sys_unshare+0x1f/0x30 [ 67.850169][ T4448] x64_sys_call+0x1e33/0x2550 [ 67.850196][ T4448] do_syscall_64+0x112/0x360 [ 67.850295][ T4448] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 67.850319][ T4448] RIP: 0033:0x7f5455d3e159 [ 67.850337][ T4448] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 67.850424][ T4448] RSP: 002b:00007f5454797028 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 67.850448][ T4448] RAX: ffffffffffffffda RBX: 00007f5455fc5fa0 RCX: 00007f5455d3e159 [ 67.850464][ T4448] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000006a040000 [ 67.850478][ T4448] RBP: 00007f5455dd506b R08: 0000000000000000 R09: 0000000000000000 [ 67.850493][ T4448] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 67.850507][ T4448] R13: 00007f5455fc6038 R14: 00007f5455fc5fa0 R15: 00007ffc6441edc8 [ 67.850600][ T4448] [ 67.864963][ T4448] FAULT_INJECTION: forcing a failure. [ 67.864963][ T4448] name failslab, interval 1, probability 100, space 0, times 0 [ 67.864997][ T4448] CPU: 0 UID: 0 PID: 4448 Comm: syz.1.338 Not tainted syzkaller #0 PREEMPT(lazy) [ 67.865072][ T4448] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 67.865085][ T4448] Call Trace: [ 67.865163][ T4448] [ 67.865171][ T4448] __dump_stack+0x1d/0x30 [ 67.865199][ T4448] dump_stack_lvl+0x95/0xd0 [ 67.865223][ T4448] dump_stack+0x15/0x1b [ 67.865256][ T4448] should_fail_ex+0x262/0x280 [ 67.865282][ T4448] ? mqueue_init_fs_context+0x38/0x2c0 [ 67.865308][ T4448] should_failslab+0x8c/0xb0 [ 67.865339][ T4448] __kmalloc_cache_noprof+0x7a/0x400 [ 67.865372][ T4448] ? mqueue_init_fs_context+0x38/0x2c0 [ 67.865399][ T4448] mqueue_init_fs_context+0x38/0x2c0 [ 67.865493][ T4448] alloc_fs_context+0x490/0x570 [ 67.865518][ T4448] fs_context_for_mount+0x22/0x30 [ 67.865541][ T4448] mq_init_ns+0xac/0x370 [ 67.865563][ T4448] copy_ipcs+0x26d/0x460 [ 67.865656][ T4448] create_new_namespaces+0x121/0x420 [ 67.865689][ T4448] unshare_nsproxy_namespaces+0x115/0x150 [ 67.865780][ T4448] ksys_unshare+0x42b/0x710 [ 67.865848][ T4448] __x64_sys_unshare+0x1f/0x30 [ 67.865875][ T4448] x64_sys_call+0x1e33/0x2550 [ 67.865900][ T4448] do_syscall_64+0x112/0x360 [ 67.865993][ T4448] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 67.866016][ T4448] RIP: 0033:0x7f5455d3e159 [ 67.866035][ T4448] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 67.866066][ T4448] RSP: 002b:00007f5454797028 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 67.866089][ T4448] RAX: ffffffffffffffda RBX: 00007f5455fc5fa0 RCX: 00007f5455d3e159 [ 67.866105][ T4448] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000006a040000 [ 67.866120][ T4448] RBP: 00007f5455dd506b R08: 0000000000000000 R09: 0000000000000000 [ 67.866200][ T4448] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 67.866215][ T4448] R13: 00007f5455fc6038 R14: 00007f5455fc5fa0 R15: 00007ffc6441edc8 [ 67.866235][ T4448] [ 67.885329][ T4438] loop3: detected capacity change from 0 to 512 [ 67.889357][ T4448] FAULT_INJECTION: forcing a failure. [ 67.889357][ T4448] name failslab, interval 1, probability 100, space 0, times 0 [ 67.889388][ T4448] CPU: 0 UID: 0 PID: 4448 Comm: syz.1.338 Not tainted syzkaller #0 PREEMPT(lazy) [ 67.889415][ T4448] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 67.889429][ T4448] Call Trace: [ 67.889436][ T4448] [ 67.889449][ T4448] __dump_stack+0x1d/0x30 [ 67.889502][ T4448] dump_stack_lvl+0x95/0xd0 [ 67.889526][ T4448] dump_stack+0x15/0x1b [ 67.889579][ T4448] should_fail_ex+0x262/0x280 [ 67.889604][ T4448] ? sget_fc+0x4ad/0xf70 [ 67.889629][ T4448] should_failslab+0x8c/0xb0 [ 67.889659][ T4448] __kmalloc_cache_noprof+0x7a/0x400 [ 67.889760][ T4448] ? sget_fc+0x4ad/0xf70 [ 67.889846][ T4448] sget_fc+0x4ad/0xf70 [ 67.889875][ T4448] ? __pfx_set_anon_super_fc+0x10/0x10 [ 67.889904][ T4448] ? __kmalloc_cache_noprof+0x19b/0x400 [ 67.889934][ T4448] ? mqueue_init_fs_context+0x38/0x2c0 [ 67.889968][ T4448] ? __pfx_mqueue_fill_super+0x10/0x10 [ 67.889997][ T4448] get_tree_nodev+0x2a/0x100 [ 67.890029][ T4448] mqueue_get_tree+0x5d/0x80 [ 67.890117][ T4448] vfs_get_tree+0x57/0x1d0 [ 67.890215][ T4448] fc_mount_longterm+0x18/0xb0 [ 67.890244][ T4448] mq_init_ns+0x2db/0x370 [ 67.890325][ T4448] copy_ipcs+0x26d/0x460 [ 67.890350][ T4448] create_new_namespaces+0x121/0x420 [ 67.890432][ T4448] unshare_nsproxy_namespaces+0x115/0x150 [ 67.890548][ T4448] ksys_unshare+0x42b/0x710 [ 67.890643][ T4448] __x64_sys_unshare+0x1f/0x30 [ 67.890693][ T4448] x64_sys_call+0x1e33/0x2550 [ 67.890787][ T4448] do_syscall_64+0x112/0x360 [ 67.890810][ T4448] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 67.890834][ T4448] RIP: 0033:0x7f5455d3e159 [ 67.890852][ T4448] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 67.890907][ T4448] RSP: 002b:00007f5454797028 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 67.890931][ T4448] RAX: ffffffffffffffda RBX: 00007f5455fc5fa0 RCX: 00007f5455d3e159 [ 67.890947][ T4448] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000006a040000 [ 67.890961][ T4448] RBP: 00007f5455dd506b R08: 0000000000000000 R09: 0000000000000000 [ 67.890975][ T4448] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 67.890989][ T4448] R13: 00007f5455fc6038 R14: 00007f5455fc5fa0 R15: 00007ffc6441edc8 [ 67.891019][ T4448] [ 67.915798][ T4438] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 67.915856][ T4438] ext4 filesystem being mounted at /54/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 67.942253][ T4448] FAULT_INJECTION: forcing a failure. [ 67.942253][ T4448] name failslab, interval 1, probability 100, space 0, times 0 [ 67.942285][ T4448] CPU: 0 UID: 0 PID: 4448 Comm: syz.1.338 Not tainted syzkaller #0 PREEMPT(lazy) [ 67.942343][ T4448] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 67.942469][ T4448] Call Trace: [ 67.942477][ T4448] [ 67.942486][ T4448] __dump_stack+0x1d/0x30 [ 67.942512][ T4448] dump_stack_lvl+0x95/0xd0 [ 67.942586][ T4448] dump_stack+0x15/0x1b [ 67.942608][ T4448] should_fail_ex+0x262/0x280 [ 67.942704][ T4448] ? __list_lru_init+0x72/0x2f0 [ 67.942737][ T4448] should_failslab+0x8c/0xb0 [ 67.942768][ T4448] __kmalloc_noprof+0xd0/0x4d0 [ 67.942858][ T4448] ? __list_lru_init+0x72/0x2f0 [ 67.942960][ T4448] __list_lru_init+0x72/0x2f0 [ 67.942993][ T4448] sget_fc+0x905/0xf70 [ 67.943092][ T4448] ? __pfx_set_anon_super_fc+0x10/0x10 [ 67.943122][ T4448] ? __kmalloc_cache_noprof+0x19b/0x400 [ 67.943153][ T4448] ? mqueue_init_fs_context+0x38/0x2c0 [ 67.943180][ T4448] ? __pfx_mqueue_fill_super+0x10/0x10 [ 67.943270][ T4448] get_tree_nodev+0x2a/0x100 [ 67.943299][ T4448] mqueue_get_tree+0x5d/0x80 [ 67.943326][ T4448] vfs_get_tree+0x57/0x1d0 [ 67.943427][ T4448] fc_mount_longterm+0x18/0xb0 [ 67.943476][ T4448] mq_init_ns+0x2db/0x370 [ 67.943499][ T4448] copy_ipcs+0x26d/0x460 [ 67.943525][ T4448] create_new_namespaces+0x121/0x420 [ 67.943584][ T4448] unshare_nsproxy_namespaces+0x115/0x150 [ 67.943615][ T4448] ksys_unshare+0x42b/0x710 [ 67.943646][ T4448] __x64_sys_unshare+0x1f/0x30 [ 67.943673][ T4448] x64_sys_call+0x1e33/0x2550 [ 67.943700][ T4448] do_syscall_64+0x112/0x360 [ 67.943730][ T4448] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 67.943768][ T4448] RIP: 0033:0x7f5455d3e159 [ 67.943793][ T4448] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 67.943814][ T4448] RSP: 002b:00007f5454797028 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 67.943837][ T4448] RAX: ffffffffffffffda RBX: 00007f5455fc5fa0 RCX: 00007f5455d3e159 [ 67.943904][ T4448] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000006a040000 [ 67.943944][ T4448] RBP: 00007f5455dd506b R08: 0000000000000000 R09: 0000000000000000 [ 67.943958][ T4448] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 67.943972][ T4448] R13: 00007f5455fc6038 R14: 00007f5455fc5fa0 R15: 00007ffc6441edc8 [ 67.943992][ T4448] [ 67.960267][ T4448] FAULT_INJECTION: forcing a failure. [ 67.960267][ T4448] name failslab, interval 1, probability 100, space 0, times 0 [ 67.960298][ T4448] CPU: 0 UID: 0 PID: 4448 Comm: syz.1.338 Not tainted syzkaller #0 PREEMPT(lazy) [ 67.960329][ T4448] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 67.960343][ T4448] Call Trace: [ 67.960351][ T4448] [ 67.960378][ T4448] __dump_stack+0x1d/0x30 [ 67.960405][ T4448] dump_stack_lvl+0x95/0xd0 [ 67.960428][ T4448] dump_stack+0x15/0x1b [ 67.960450][ T4448] should_fail_ex+0x262/0x280 [ 67.960475][ T4448] ? __list_lru_init+0x72/0x2f0 [ 67.960572][ T4448] should_failslab+0x8c/0xb0 [ 67.960603][ T4448] __kmalloc_noprof+0xd0/0x4d0 [ 67.960633][ T4448] ? __list_lru_init+0x72/0x2f0 [ 67.960729][ T4448] __list_lru_init+0x72/0x2f0 [ 67.960859][ T4448] sget_fc+0x8cf/0xf70 [ 67.960885][ T4448] ? __pfx_set_anon_super_fc+0x10/0x10 [ 67.960915][ T4448] ? mqueue_init_fs_context+0x107/0x2c0 [ 67.960953][ T4448] ? __pfx_mqueue_fill_super+0x10/0x10 [ 67.960979][ T4448] get_tree_nodev+0x2a/0x100 [ 67.961008][ T4448] mqueue_get_tree+0x5d/0x80 [ 67.961033][ T4448] vfs_get_tree+0x57/0x1d0 [ 67.961118][ T4448] fc_mount_longterm+0x18/0xb0 [ 67.961147][ T4448] mq_init_ns+0x2db/0x370 [ 67.961170][ T4448] copy_ipcs+0x26d/0x460 [ 67.961234][ T4448] create_new_namespaces+0x121/0x420 [ 67.961271][ T4448] unshare_nsproxy_namespaces+0x115/0x150 [ 67.961404][ T4448] ksys_unshare+0x42b/0x710 [ 67.961433][ T4448] __x64_sys_unshare+0x1f/0x30 [ 67.961530][ T4448] x64_sys_call+0x1e33/0x2550 [ 67.961585][ T4448] do_syscall_64+0x112/0x360 [ 67.961608][ T4448] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 67.961632][ T4448] RIP: 0033:0x7f5455d3e159 [ 67.961661][ T4448] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 67.961681][ T4448] RSP: 002b:00007f5454797028 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 67.961711][ T4448] RAX: ffffffffffffffda RBX: 00007f5455fc5fa0 RCX: 00007f5455d3e159 [ 67.961726][ T4448] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000006a040000 [ 67.961741][ T4448] RBP: 00007f5455dd506b R08: 0000000000000000 R09: 0000000000000000 [ 67.961764][ T4448] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 67.961816][ T4448] R13: 00007f5455fc6038 R14: 00007f5455fc5fa0 R15: 00007ffc6441edc8 [ 67.961836][ T4448] [ 67.963189][ T29] audit: type=1400 audit(1790062789.569:377): avc: denied { write } for pid=4432 comm="syz.3.333" name="/" dev="loop3" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1 [ 67.979059][ T4448] FAULT_INJECTION: forcing a failure. [ 67.979059][ T4448] name failslab, interval 1, probability 100, space 0, times 0 [ 67.979090][ T4448] CPU: 0 UID: 0 PID: 4448 Comm: syz.1.338 Not tainted syzkaller #0 PREEMPT(lazy) [ 67.979117][ T4448] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 67.979269][ T4448] Call Trace: [ 67.979277][ T4448] [ 67.979286][ T4448] __dump_stack+0x1d/0x30 [ 67.979312][ T4448] dump_stack_lvl+0x95/0xd0 [ 67.979335][ T4448] dump_stack+0x15/0x1b [ 67.979383][ T4448] should_fail_ex+0x262/0x280 [ 67.979409][ T4448] ? __list_lru_init+0x72/0x2f0 [ 67.979515][ T4448] should_failslab+0x8c/0xb0 [ 67.979545][ T4448] __kmalloc_noprof+0xd0/0x4d0 [ 67.979575][ T4448] ? __list_lru_init+0x72/0x2f0 [ 67.979647][ T4448] __list_lru_init+0x72/0x2f0 [ 67.979680][ T4448] sget_fc+0x905/0xf70 [ 67.979705][ T4448] ? __pfx_set_anon_super_fc+0x10/0x10 [ 67.979739][ T4448] ? __kmalloc_cache_noprof+0x19b/0x400 [ 67.979769][ T4448] ? mqueue_init_fs_context+0x38/0x2c0 [ 67.979805][ T4448] ? __pfx_mqueue_fill_super+0x10/0x10 [ 67.979831][ T4448] get_tree_nodev+0x2a/0x100 [ 67.979925][ T4448] mqueue_get_tree+0x5d/0x80 [ 67.979954][ T4448] vfs_get_tree+0x57/0x1d0 [ 67.980031][ T4448] fc_mount_longterm+0x18/0xb0 [ 67.980060][ T4448] mq_init_ns+0x2db/0x370 [ 67.980083][ T4448] copy_ipcs+0x26d/0x460 [ 67.980109][ T4448] create_new_namespaces+0x121/0x420 [ 67.980169][ T4448] unshare_nsproxy_namespaces+0x115/0x150 [ 67.980245][ T4448] ksys_unshare+0x42b/0x710 [ 67.980274][ T4448] __x64_sys_unshare+0x1f/0x30 [ 67.980301][ T4448] x64_sys_call+0x1e33/0x2550 [ 67.980407][ T4448] do_syscall_64+0x112/0x360 [ 67.980452][ T4448] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 67.980496][ T4448] RIP: 0033:0x7f5455d3e159 [ 67.980515][ T4448] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 67.980534][ T4448] RSP: 002b:00007f5454797028 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 67.980557][ T4448] RAX: ffffffffffffffda RBX: 00007f5455fc5fa0 RCX: 00007f5455d3e159 [ 67.980573][ T4448] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000006a040000 [ 67.980587][ T4448] RBP: 00007f5455dd506b R08: 0000000000000000 R09: 0000000000000000 [ 67.980603][ T4448] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 67.980617][ T4448] R13: 00007f5455fc6038 R14: 00007f5455fc5fa0 R15: 00007ffc6441edc8 [ 67.980636][ T4448] [ 67.999465][ T4448] FAULT_INJECTION: forcing a failure. [ 67.999465][ T4448] name failslab, interval 1, probability 100, space 0, times 0 [ 67.999536][ T4448] CPU: 0 UID: 0 PID: 4448 Comm: syz.1.338 Not tainted syzkaller #0 PREEMPT(lazy) [ 67.999563][ T4448] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 67.999576][ T4448] Call Trace: [ 67.999584][ T4448] [ 67.999597][ T4448] __dump_stack+0x1d/0x30 [ 67.999643][ T4448] dump_stack_lvl+0x95/0xd0 [ 67.999667][ T4448] dump_stack+0x15/0x1b [ 67.999688][ T4448] should_fail_ex+0x262/0x280 [ 67.999714][ T4448] ? sget_fc+0x93a/0xf70 [ 67.999795][ T4448] should_failslab+0x8c/0xb0 [ 67.999825][ T4448] __kmalloc_cache_noprof+0x7a/0x400 [ 67.999918][ T4448] ? mutex_unlock+0x4e/0x90 [ 67.999946][ T4448] ? sget_fc+0x93a/0xf70 [ 68.000019][ T4448] sget_fc+0x93a/0xf70 [ 68.000044][ T4448] ? __pfx_set_anon_super_fc+0x10/0x10 [ 68.000073][ T4448] ? __kmalloc_cache_noprof+0x19b/0x400 [ 68.000162][ T4448] ? mqueue_init_fs_context+0x38/0x2c0 [ 68.000189][ T4448] ? __pfx_mqueue_fill_super+0x10/0x10 [ 68.000256][ T4448] get_tree_nodev+0x2a/0x100 [ 68.000284][ T4448] mqueue_get_tree+0x5d/0x80 [ 68.000309][ T4448] vfs_get_tree+0x57/0x1d0 [ 68.000338][ T4448] fc_mount_longterm+0x18/0xb0 [ 68.000437][ T4448] mq_init_ns+0x2db/0x370 [ 68.000460][ T4448] copy_ipcs+0x26d/0x460 [ 68.000508][ T4448] create_new_namespaces+0x121/0x420 [ 68.000613][ T4448] unshare_nsproxy_namespaces+0x115/0x150 [ 68.000727][ T4448] ksys_unshare+0x42b/0x710 [ 68.000820][ T4448] __x64_sys_unshare+0x1f/0x30 [ 68.000846][ T4448] x64_sys_call+0x1e33/0x2550 [ 68.000933][ T4448] do_syscall_64+0x112/0x360 [ 68.000981][ T4448] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 68.001005][ T4448] RIP: 0033:0x7f5455d3e159 [ 68.001023][ T4448] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 68.001162][ T4448] RSP: 002b:00007f5454797028 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 68.001222][ T4448] RAX: ffffffffffffffda RBX: 00007f5455fc5fa0 RCX: 00007f5455d3e159 [ 68.001238][ T4448] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000006a040000 [ 68.001252][ T4448] RBP: 00007f5455dd506b R08: 0000000000000000 R09: 0000000000000000 [ 68.001266][ T4448] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 68.001299][ T4448] R13: 00007f5455fc6038 R14: 00007f5455fc5fa0 R15: 00007ffc6441edc8 [ 68.001319][ T4448] [ 68.007672][ T4448] FAULT_INJECTION: forcing a failure. [ 68.007672][ T4448] name failslab, interval 1, probability 100, space 0, times 0 [ 68.007702][ T4448] CPU: 0 UID: 0 PID: 4448 Comm: syz.1.338 Not tainted syzkaller #0 PREEMPT(lazy) [ 68.007737][ T4448] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 68.007773][ T4448] Call Trace: [ 68.007789][ T4448] [ 68.007798][ T4448] __dump_stack+0x1d/0x30 [ 68.007824][ T4448] dump_stack_lvl+0x95/0xd0 [ 68.007884][ T4448] dump_stack+0x15/0x1b [ 68.007905][ T4448] should_fail_ex+0x262/0x280 [ 68.007998][ T4448] should_failslab+0x8c/0xb0 [ 68.008076][ T4448] kmem_cache_alloc_lru_noprof+0x7f/0x3f0 [ 68.008106][ T4448] ? mqueue_alloc_inode+0x34/0x50 [ 68.008131][ T4448] ? mqueue_alloc_inode+0x34/0x50 [ 68.008156][ T4448] ? __pfx_mqueue_fill_super+0x10/0x10 [ 68.008259][ T4448] ? __pfx_mqueue_alloc_inode+0x10/0x10 [ 68.008297][ T4448] mqueue_alloc_inode+0x34/0x50 [ 68.008364][ T4448] alloc_inode+0x40/0x170 [ 68.008385][ T4448] new_inode+0x1d/0xe0 [ 68.008414][ T4448] ? __pfx_mqueue_fill_super+0x10/0x10 [ 68.008440][ T4448] mqueue_fill_super+0x89/0x1d0 [ 68.008464][ T4448] ? __pfx_mqueue_fill_super+0x10/0x10 [ 68.008512][ T4448] get_tree_nodev+0x83/0x100 [ 68.008544][ T4448] mqueue_get_tree+0x5d/0x80 [ 68.008570][ T4448] vfs_get_tree+0x57/0x1d0 [ 68.008671][ T4448] fc_mount_longterm+0x18/0xb0 [ 68.008701][ T4448] mq_init_ns+0x2db/0x370 [ 68.008723][ T4448] copy_ipcs+0x26d/0x460 [ 68.008833][ T4448] create_new_namespaces+0x121/0x420 [ 68.008922][ T4448] unshare_nsproxy_namespaces+0x115/0x150 [ 68.009081][ T4448] ksys_unshare+0x42b/0x710 [ 68.009114][ T4448] __x64_sys_unshare+0x1f/0x30 [ 68.009217][ T4448] x64_sys_call+0x1e33/0x2550 [ 68.009248][ T4448] do_syscall_64+0x112/0x360 [ 68.009272][ T4448] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 68.009319][ T4448] RIP: 0033:0x7f5455d3e159 [ 68.009340][ T4448] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 68.009360][ T4448] RSP: 002b:00007f5454797028 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 68.009402][ T4448] RAX: ffffffffffffffda RBX: 00007f5455fc5fa0 RCX: 00007f5455d3e159 [ 68.009416][ T4448] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000006a040000 [ 68.009430][ T4448] RBP: 00007f5455dd506b R08: 0000000000000000 R09: 0000000000000000 [ 68.009445][ T4448] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 68.009459][ T4448] R13: 00007f5455fc6038 R14: 00007f5455fc5fa0 R15: 00007ffc6441edc8 [ 68.009480][ T4448] [ 68.019069][ T4446] wg1 speed is unknown, defaulting to 1000 [ 68.021445][ T4448] FAULT_INJECTION: forcing a failure. [ 68.021445][ T4448] name failslab, interval 1, probability 100, space 0, times 0 [ 68.021475][ T4448] CPU: 0 UID: 0 PID: 4448 Comm: syz.1.338 Not tainted syzkaller #0 PREEMPT(lazy) [ 68.021501][ T4448] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 68.021514][ T4448] Call Trace: [ 68.021521][ T4448] [ 68.021530][ T4448] __dump_stack+0x1d/0x30 [ 68.021560][ T4448] dump_stack_lvl+0x95/0xd0 [ 68.021619][ T4448] dump_stack+0x15/0x1b [ 68.021641][ T4448] should_fail_ex+0x262/0x280 [ 68.021805][ T4448] ? __memcg_list_lru_alloc+0x288/0x470 [ 68.021839][ T4448] should_failslab+0x8c/0xb0 [ 68.021923][ T4448] __kmalloc_noprof+0xd0/0x4d0 [ 68.021953][ T4448] ? __memcg_list_lru_alloc+0x288/0x470 [ 68.021987][ T4448] ? _find_next_zero_bit+0x64/0xa0 [ 68.022064][ T4448] __memcg_list_lru_alloc+0x288/0x470 [ 68.022101][ T4448] memcg_list_lru_alloc+0x88/0xa0 [ 68.022134][ T4448] __memcg_slab_post_alloc_hook+0x23f/0x8d0 [ 68.022163][ T4448] ? __rcu_read_unlock+0x4e/0x70 [ 68.022194][ T4448] ? should_fail_ex+0xdb/0x280 [ 68.022219][ T4448] kmem_cache_alloc_lru_noprof+0x1f4/0x3f0 [ 68.022256][ T4448] ? mqueue_alloc_inode+0x34/0x50 [ 68.022281][ T4448] ? mqueue_alloc_inode+0x34/0x50 [ 68.022306][ T4448] ? __pfx_mqueue_fill_super+0x10/0x10 [ 68.022332][ T4448] ? __pfx_mqueue_alloc_inode+0x10/0x10 [ 68.022408][ T4448] mqueue_alloc_inode+0x34/0x50 [ 68.022431][ T4448] alloc_inode+0x40/0x170 [ 68.022451][ T4448] new_inode+0x1d/0xe0 [ 68.022539][ T4448] ? __pfx_mqueue_fill_super+0x10/0x10 [ 68.022605][ T4448] mqueue_fill_super+0x89/0x1d0 [ 68.022627][ T4448] ? __pfx_mqueue_fill_super+0x10/0x10 [ 68.022651][ T4448] get_tree_nodev+0x83/0x100 [ 68.022679][ T4448] mqueue_get_tree+0x5d/0x80 [ 68.022842][ T4448] vfs_get_tree+0x57/0x1d0 [ 68.022892][ T4448] fc_mount_longterm+0x18/0xb0 [ 68.022921][ T4448] mq_init_ns+0x2db/0x370 [ 68.023004][ T4448] copy_ipcs+0x26d/0x460 [ 68.023029][ T4448] create_new_namespaces+0x121/0x420 [ 68.023066][ T4448] unshare_nsproxy_namespaces+0x115/0x150 [ 68.023172][ T4448] ksys_unshare+0x42b/0x710 [ 68.023278][ T4448] __x64_sys_unshare+0x1f/0x30 [ 68.023306][ T4448] x64_sys_call+0x1e33/0x2550 [ 68.023332][ T4448] do_syscall_64+0x112/0x360 [ 68.023406][ T4448] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 68.023488][ T4448] RIP: 0033:0x7f5455d3e159 [ 68.023506][ T4448] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 68.023526][ T4448] RSP: 002b:00007f5454797028 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 68.023549][ T4448] RAX: ffffffffffffffda RBX: 00007f5455fc5fa0 RCX: 00007f5455d3e159 [ 68.023565][ T4448] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000006a040000 [ 68.023628][ T4448] RBP: 00007f5455dd506b R08: 0000000000000000 R09: 0000000000000000 [ 68.023642][ T4448] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 68.023662][ T4448] R13: 00007f5455fc6038 R14: 00007f5455fc5fa0 R15: 00007ffc6441edc8 [ 68.023725][ T4448] [ 68.036453][ T4449] wg1 speed is unknown, defaulting to 1000 [ 68.109314][ T4450] wg1 speed is unknown, defaulting to 1000 [ 68.110581][ T4448] FAULT_INJECTION: forcing a failure. [ 68.110581][ T4448] name failslab, interval 1, probability 100, space 0, times 0 [ 68.110652][ T4448] CPU: 0 UID: 0 PID: 4448 Comm: syz.1.338 Not tainted syzkaller #0 PREEMPT(lazy) [ 68.110678][ T4448] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 68.110693][ T4448] Call Trace: [ 68.110716][ T4448] [ 68.110725][ T4448] __dump_stack+0x1d/0x30 [ 68.110753][ T4448] dump_stack_lvl+0x95/0xd0 [ 68.110777][ T4448] dump_stack+0x15/0x1b [ 68.110807][ T4448] should_fail_ex+0x262/0x280 [ 68.110832][ T4448] ? __kernfs_new_node+0x70/0x440 [ 68.110858][ T4448] should_failslab+0x8c/0xb0 [ 68.110888][ T4448] kmem_cache_alloc_noprof+0x7c/0x3f0 [ 68.110961][ T4448] ? __kernfs_new_node+0x70/0x440 [ 68.110984][ T4448] __kernfs_new_node+0x70/0x440 [ 68.111005][ T4448] ? rb_insert_color+0x26f/0x2a0 [ 68.111037][ T4448] ? __rcu_read_unlock+0x4e/0x70 [ 68.111068][ T4448] ? __rcu_read_unlock+0x4e/0x70 [ 68.111154][ T4448] ? kernfs_activate_one+0x10c/0x140 [ 68.111221][ T4448] ? __rcu_read_unlock+0x4e/0x70 [ 68.111251][ T4448] ? up_write+0x19/0x60 [ 68.111312][ T4448] kernfs_new_node+0xcf/0xf0 [ 68.111333][ T4448] __kernfs_create_file+0x4b/0x180 [ 68.111358][ T4448] ? __pfx_dev_attr_show+0x10/0x10 [ 68.111453][ T4448] ? __pfx_dev_attr_store+0x10/0x10 [ 68.111483][ T4448] sysfs_add_file_mode_ns+0x132/0x1b0 [ 68.111516][ T4448] sysfs_merge_group+0xed/0x1c0 [ 68.111602][ T4448] dpm_sysfs_add+0xaf/0x1e0 [ 68.111630][ T4448] device_add+0x3bc/0x790 [ 68.111821][ T4448] add_one_compat_dev+0x274/0x390 [ 68.111857][ T4448] rdma_dev_init_net+0x1b9/0x240 [ 68.111879][ T4448] ops_init+0x22a/0x2e0 [ 68.111909][ T4448] setup_net+0x9f/0x230 [ 68.111998][ T4448] copy_net_ns+0x333/0x490 [ 68.112025][ T4448] create_new_namespaces+0x1f6/0x420 [ 68.112060][ T4448] unshare_nsproxy_namespaces+0x115/0x150 [ 68.112218][ T4448] ksys_unshare+0x42b/0x710 [ 68.112248][ T4448] __x64_sys_unshare+0x1f/0x30 [ 68.112340][ T4448] x64_sys_call+0x1e33/0x2550 [ 68.112373][ T4448] do_syscall_64+0x112/0x360 [ 68.112401][ T4448] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 68.112468][ T4448] RIP: 0033:0x7f5455d3e159 [ 68.112485][ T4448] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 68.112504][ T4448] RSP: 002b:00007f5454797028 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 68.112528][ T4448] RAX: ffffffffffffffda RBX: 00007f5455fc5fa0 RCX: 00007f5455d3e159 [ 68.112544][ T4448] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000006a040000 [ 68.112559][ T4448] RBP: 00007f5455dd506b R08: 0000000000000000 R09: 0000000000000000 [ 68.112607][ T4448] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 68.112621][ T4448] R13: 00007f5455fc6038 R14: 00007f5455fc5fa0 R15: 00007ffc6441edc8 [ 68.112641][ T4448] [ 68.326096][ T4453] wg1 speed is unknown, defaulting to 1000 [ 68.460911][ T4456] wg1 speed is unknown, defaulting to 1000 [ 68.813990][ T4466] FAULT_INJECTION: forcing a failure. [ 68.813990][ T4466] name failslab, interval 1, probability 100, space 0, times 0 [ 68.814024][ T4466] CPU: 0 UID: 0 PID: 4466 Comm: syz.2.341 Not tainted syzkaller #0 PREEMPT(lazy) [ 68.814054][ T4466] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 68.814067][ T4466] Call Trace: [ 68.814075][ T4466] [ 68.814085][ T4466] __dump_stack+0x1d/0x30 [ 68.814155][ T4466] dump_stack_lvl+0x95/0xd0 [ 68.814178][ T4466] dump_stack+0x15/0x1b [ 68.814264][ T4466] should_fail_ex+0x262/0x280 [ 68.814289][ T4466] ? alloc_fs_context+0x41/0x570 [ 68.814314][ T4466] should_failslab+0x8c/0xb0 [ 68.814382][ T4466] __kmalloc_cache_noprof+0x7a/0x400 [ 68.814413][ T4466] ? ida_alloc_range+0x6f4/0x730 [ 68.814464][ T4466] ? alloc_fs_context+0x41/0x570 [ 68.814489][ T4466] alloc_fs_context+0x41/0x570 [ 68.814510][ T4466] ? fs_context_for_mount+0x11/0x30 [ 68.814570][ T4466] fs_context_for_mount+0x22/0x30 [ 68.814593][ T4466] mq_init_ns+0xac/0x370 [ 68.814617][ T4466] copy_ipcs+0x26d/0x460 [ 68.814650][ T4466] create_new_namespaces+0x121/0x420 [ 68.814685][ T4466] unshare_nsproxy_namespaces+0x115/0x150 [ 68.814720][ T4466] ksys_unshare+0x42b/0x710 [ 68.814812][ T4466] __x64_sys_unshare+0x1f/0x30 [ 68.814891][ T4466] x64_sys_call+0x1e33/0x2550 [ 68.814918][ T4466] do_syscall_64+0x112/0x360 [ 68.815061][ T4466] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 68.815083][ T4466] RIP: 0033:0x7f155b8ce159 [ 68.815101][ T4466] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 68.815125][ T4466] RSP: 002b:00007f155a327028 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 68.815148][ T4466] RAX: ffffffffffffffda RBX: 00007f155bb55fa0 RCX: 00007f155b8ce159 [ 68.815234][ T4466] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000006a040000 [ 68.815309][ T4466] RBP: 00007f155b96506b R08: 0000000000000000 R09: 0000000000000000 [ 68.815323][ T4466] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 68.815337][ T4466] R13: 00007f155bb56038 R14: 00007f155bb55fa0 R15: 00007ffdcec4b1f8 [ 68.815358][ T4466] [ 68.822453][ T4466] FAULT_INJECTION: forcing a failure. [ 68.822453][ T4466] name failslab, interval 1, probability 100, space 0, times 0 [ 68.822483][ T4466] CPU: 0 UID: 0 PID: 4466 Comm: syz.2.341 Not tainted syzkaller #0 PREEMPT(lazy) [ 68.822509][ T4466] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 68.822522][ T4466] Call Trace: [ 68.822529][ T4466] [ 68.822538][ T4466] __dump_stack+0x1d/0x30 [ 68.822628][ T4466] dump_stack_lvl+0x95/0xd0 [ 68.822704][ T4466] dump_stack+0x15/0x1b [ 68.822725][ T4466] should_fail_ex+0x262/0x280 [ 68.822759][ T4466] ? shrinker_alloc+0x3b/0x6e0 [ 68.822784][ T4466] should_failslab+0x8c/0xb0 [ 68.822891][ T4466] __kmalloc_cache_noprof+0x7a/0x400 [ 68.822923][ T4466] ? shrinker_alloc+0x3b/0x6e0 [ 68.822950][ T4466] shrinker_alloc+0x3b/0x6e0 [ 68.822976][ T4466] ? __percpu_init_rwsem+0x24/0x90 [ 68.823044][ T4466] ? rcu_sync_init+0x32/0x40 [ 68.823076][ T4466] sget_fc+0x819/0xf70 [ 68.823102][ T4466] ? __pfx_set_anon_super_fc+0x10/0x10 [ 68.823187][ T4466] ? __kmalloc_cache_noprof+0x19b/0x400 [ 68.823218][ T4466] ? mqueue_init_fs_context+0x38/0x2c0 [ 68.823306][ T4466] ? __pfx_mqueue_fill_super+0x10/0x10 [ 68.823332][ T4466] get_tree_nodev+0x2a/0x100 [ 68.823360][ T4466] mqueue_get_tree+0x5d/0x80 [ 68.823388][ T4466] vfs_get_tree+0x57/0x1d0 [ 68.823451][ T4466] fc_mount_longterm+0x18/0xb0 [ 68.823528][ T4466] mq_init_ns+0x2db/0x370 [ 68.823587][ T4466] copy_ipcs+0x26d/0x460 [ 68.823613][ T4466] create_new_namespaces+0x121/0x420 [ 68.823722][ T4466] unshare_nsproxy_namespaces+0x115/0x150 [ 68.823853][ T4466] ksys_unshare+0x42b/0x710 [ 68.823883][ T4466] __x64_sys_unshare+0x1f/0x30 [ 68.823966][ T4466] x64_sys_call+0x1e33/0x2550 [ 68.823993][ T4466] do_syscall_64+0x112/0x360 [ 68.824016][ T4466] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 68.824102][ T4466] RIP: 0033:0x7f155b8ce159 [ 68.824120][ T4466] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 68.824140][ T4466] RSP: 002b:00007f155a327028 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 68.824214][ T4466] RAX: ffffffffffffffda RBX: 00007f155bb55fa0 RCX: 00007f155b8ce159 [ 68.824230][ T4466] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000006a040000 [ 68.824245][ T4466] RBP: 00007f155b96506b R08: 0000000000000000 R09: 0000000000000000 [ 68.824259][ T4466] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 68.824273][ T4466] R13: 00007f155bb56038 R14: 00007f155bb55fa0 R15: 00007ffdcec4b1f8 [ 68.824367][ T4466] [ 68.995345][ T4476] FAULT_INJECTION: forcing a failure. [ 68.995345][ T4476] name failslab, interval 1, probability 100, space 0, times 0 [ 68.995441][ T4476] CPU: 0 UID: 0 PID: 4476 Comm: syz.1.347 Not tainted syzkaller #0 PREEMPT(lazy) [ 68.995472][ T4476] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 68.995568][ T4476] Call Trace: [ 68.995575][ T4476] [ 68.995584][ T4476] __dump_stack+0x1d/0x30 [ 68.995621][ T4476] dump_stack_lvl+0x95/0xd0 [ 68.995644][ T4476] dump_stack+0x15/0x1b [ 68.995667][ T4476] should_fail_ex+0x262/0x280 [ 68.995736][ T4476] ? alloc_fs_context+0x41/0x570 [ 68.995759][ T4476] should_failslab+0x8c/0xb0 [ 68.995789][ T4476] __kmalloc_cache_noprof+0x7a/0x400 [ 68.995845][ T4476] ? ida_alloc_range+0x6f4/0x730 [ 68.995868][ T4476] ? alloc_fs_context+0x41/0x570 [ 68.995892][ T4476] alloc_fs_context+0x41/0x570 [ 68.995915][ T4476] ? fs_context_for_mount+0x11/0x30 [ 68.995985][ T4476] fs_context_for_mount+0x22/0x30 [ 68.996008][ T4476] mq_init_ns+0xac/0x370 [ 68.996099][ T4476] copy_ipcs+0x26d/0x460 [ 68.996124][ T4476] create_new_namespaces+0x121/0x420 [ 68.996208][ T4476] unshare_nsproxy_namespaces+0x115/0x150 [ 68.996352][ T4476] ksys_unshare+0x42b/0x710 [ 68.996411][ T4476] __x64_sys_unshare+0x1f/0x30 [ 68.996438][ T4476] x64_sys_call+0x1e33/0x2550 [ 68.996507][ T4476] do_syscall_64+0x112/0x360 [ 68.996529][ T4476] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 68.996554][ T4476] RIP: 0033:0x7f5455d3e159 [ 68.996572][ T4476] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 68.996709][ T4476] RSP: 002b:00007f5454797028 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 68.996732][ T4476] RAX: ffffffffffffffda RBX: 00007f5455fc5fa0 RCX: 00007f5455d3e159 [ 68.996748][ T4476] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000006a040000 [ 68.996762][ T4476] RBP: 00007f5455dd506b R08: 0000000000000000 R09: 0000000000000000 [ 68.996776][ T4476] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 68.996790][ T4476] R13: 00007f5455fc6038 R14: 00007f5455fc5fa0 R15: 00007ffc6441edc8 [ 68.996831][ T4476] [ 69.006714][ T4474] bond0: option mode: unable to set because the bond device has slaves [ 69.027267][ T4478] FAULT_INJECTION: forcing a failure. [ 69.027267][ T4478] name failslab, interval 1, probability 100, space 0, times 0 [ 69.027365][ T4478] CPU: 0 UID: 0 PID: 4478 Comm: syz.2.348 Not tainted syzkaller #0 PREEMPT(lazy) [ 69.027392][ T4478] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 69.027405][ T4478] Call Trace: [ 69.027415][ T4478] [ 69.027424][ T4478] __dump_stack+0x1d/0x30 [ 69.027465][ T4478] dump_stack_lvl+0x95/0xd0 [ 69.027489][ T4478] dump_stack+0x15/0x1b [ 69.027511][ T4478] should_fail_ex+0x262/0x280 [ 69.027536][ T4478] ? alloc_fs_context+0x41/0x570 [ 69.027587][ T4478] should_failslab+0x8c/0xb0 [ 69.027644][ T4478] __kmalloc_cache_noprof+0x7a/0x400 [ 69.027675][ T4478] ? ida_alloc_range+0x6f4/0x730 [ 69.027706][ T4478] ? alloc_fs_context+0x41/0x570 [ 69.027730][ T4478] alloc_fs_context+0x41/0x570 [ 69.027761][ T4478] ? fs_context_for_mount+0x11/0x30 [ 69.027785][ T4478] fs_context_for_mount+0x22/0x30 [ 69.027807][ T4478] mq_init_ns+0xac/0x370 [ 69.027921][ T4478] copy_ipcs+0x26d/0x460 [ 69.027949][ T4478] create_new_namespaces+0x121/0x420 [ 69.027981][ T4478] unshare_nsproxy_namespaces+0x115/0x150 [ 69.028016][ T4478] ksys_unshare+0x42b/0x710 [ 69.028204][ T4478] __x64_sys_unshare+0x1f/0x30 [ 69.028308][ T4478] x64_sys_call+0x1e33/0x2550 [ 69.028334][ T4478] do_syscall_64+0x112/0x360 [ 69.028414][ T4478] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 69.028438][ T4478] RIP: 0033:0x7f155b8ce159 [ 69.028456][ T4478] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 69.028532][ T4478] RSP: 002b:00007f155a327028 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 69.028582][ T4478] RAX: ffffffffffffffda RBX: 00007f155bb55fa0 RCX: 00007f155b8ce159 [ 69.028598][ T4478] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000006a040000 [ 69.028612][ T4478] RBP: 00007f155b96506b R08: 0000000000000000 R09: 0000000000000000 [ 69.028692][ T4478] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 69.028713][ T4478] R13: 00007f155bb56038 R14: 00007f155bb55fa0 R15: 00007ffdcec4b1f8 [ 69.028734][ T4478] [ 69.047288][ T3308] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 69.055329][ T4476] FAULT_INJECTION: forcing a failure. [ 69.055329][ T4476] name failslab, interval 1, probability 100, space 0, times 0 [ 69.055437][ T4476] CPU: 0 UID: 0 PID: 4476 Comm: syz.1.347 Not tainted syzkaller #0 PREEMPT(lazy) [ 69.055463][ T4476] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 69.055477][ T4476] Call Trace: [ 69.055485][ T4476] [ 69.055494][ T4476] __dump_stack+0x1d/0x30 [ 69.055578][ T4476] dump_stack_lvl+0x95/0xd0 [ 69.055602][ T4476] dump_stack+0x15/0x1b [ 69.055702][ T4476] should_fail_ex+0x262/0x280 [ 69.055732][ T4476] ? sget_fc+0x4ad/0xf70 [ 69.055757][ T4476] should_failslab+0x8c/0xb0 [ 69.055787][ T4476] __kmalloc_cache_noprof+0x7a/0x400 [ 69.055820][ T4476] ? sget_fc+0x4ad/0xf70 [ 69.055848][ T4476] sget_fc+0x4ad/0xf70 [ 69.055872][ T4476] ? __pfx_set_anon_super_fc+0x10/0x10 [ 69.055902][ T4476] ? __kmalloc_cache_noprof+0x19b/0x400 [ 69.055953][ T4476] ? mqueue_init_fs_context+0x38/0x2c0 [ 69.056050][ T4476] ? __pfx_mqueue_fill_super+0x10/0x10 [ 69.056077][ T4476] get_tree_nodev+0x2a/0x100 [ 69.056166][ T4476] mqueue_get_tree+0x5d/0x80 [ 69.056192][ T4476] vfs_get_tree+0x57/0x1d0 [ 69.056221][ T4476] fc_mount_longterm+0x18/0xb0 [ 69.056276][ T4476] mq_init_ns+0x2db/0x370 [ 69.056299][ T4476] copy_ipcs+0x26d/0x460 [ 69.056324][ T4476] create_new_namespaces+0x121/0x420 [ 69.056398][ T4476] unshare_nsproxy_namespaces+0x115/0x150 [ 69.056432][ T4476] ksys_unshare+0x42b/0x710 [ 69.056515][ T4476] __x64_sys_unshare+0x1f/0x30 [ 69.056597][ T4476] x64_sys_call+0x1e33/0x2550 [ 69.056623][ T4476] do_syscall_64+0x112/0x360 [ 69.056727][ T4476] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 69.056751][ T4476] RIP: 0033:0x7f5455d3e159 [ 69.056769][ T4476] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 69.056788][ T4476] RSP: 002b:00007f5454797028 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 69.056841][ T4476] RAX: ffffffffffffffda RBX: 00007f5455fc5fa0 RCX: 00007f5455d3e159 [ 69.056857][ T4476] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000006a040000 [ 69.056871][ T4476] RBP: 00007f5455dd506b R08: 0000000000000000 R09: 0000000000000000 [ 69.056885][ T4476] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 69.056899][ T4476] R13: 00007f5455fc6038 R14: 00007f5455fc5fa0 R15: 00007ffc6441edc8 [ 69.056971][ T4476] [ 69.058670][ T4478] FAULT_INJECTION: forcing a failure. [ 69.058670][ T4478] name failslab, interval 1, probability 100, space 0, times 0 [ 69.058768][ T4478] CPU: 0 UID: 0 PID: 4478 Comm: syz.2.348 Not tainted syzkaller #0 PREEMPT(lazy) [ 69.058793][ T4478] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 69.058806][ T4478] Call Trace: [ 69.058814][ T4478] [ 69.058857][ T4478] __dump_stack+0x1d/0x30 [ 69.058926][ T4478] dump_stack_lvl+0x95/0xd0 [ 69.058950][ T4478] dump_stack+0x15/0x1b [ 69.058971][ T4478] should_fail_ex+0x262/0x280 [ 69.059056][ T4478] ? shrinker_alloc+0x3b/0x6e0 [ 69.059081][ T4478] should_failslab+0x8c/0xb0 [ 69.059112][ T4478] __kmalloc_cache_noprof+0x7a/0x400 [ 69.059152][ T4478] ? shrinker_alloc+0x3b/0x6e0 [ 69.059180][ T4478] shrinker_alloc+0x3b/0x6e0 [ 69.059206][ T4478] ? __percpu_init_rwsem+0x24/0x90 [ 69.059312][ T4478] ? rcu_sync_init+0x32/0x40 [ 69.059344][ T4478] sget_fc+0x819/0xf70 [ 69.059369][ T4478] ? __pfx_set_anon_super_fc+0x10/0x10 [ 69.059398][ T4478] ? __kmalloc_cache_noprof+0x19b/0x400 [ 69.059465][ T4478] ? mqueue_init_fs_context+0x38/0x2c0 [ 69.059491][ T4478] ? __pfx_mqueue_fill_super+0x10/0x10 [ 69.059517][ T4478] get_tree_nodev+0x2a/0x100 [ 69.059547][ T4478] mqueue_get_tree+0x5d/0x80 [ 69.059571][ T4478] vfs_get_tree+0x57/0x1d0 [ 69.059649][ T4478] fc_mount_longterm+0x18/0xb0 [ 69.059677][ T4478] mq_init_ns+0x2db/0x370 [ 69.059707][ T4478] copy_ipcs+0x26d/0x460 [ 69.059760][ T4478] create_new_namespaces+0x121/0x420 [ 69.059793][ T4478] unshare_nsproxy_namespaces+0x115/0x150 [ 69.059826][ T4478] ksys_unshare+0x42b/0x710 [ 69.059929][ T4478] __x64_sys_unshare+0x1f/0x30 [ 69.059996][ T4478] x64_sys_call+0x1e33/0x2550 [ 69.060022][ T4478] do_syscall_64+0x112/0x360 [ 69.060044][ T4478] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 69.060090][ T4478] RIP: 0033:0x7f155b8ce159 [ 69.060112][ T4478] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 69.060182][ T4478] RSP: 002b:00007f155a327028 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 69.060204][ T4478] RAX: ffffffffffffffda RBX: 00007f155bb55fa0 RCX: 00007f155b8ce159 [ 69.060219][ T4478] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000006a040000 [ 69.060233][ T4478] RBP: 00007f155b96506b R08: 0000000000000000 R09: 0000000000000000 [ 69.060247][ T4478] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 69.060277][ T4478] R13: 00007f155bb56038 R14: 00007f155bb55fa0 R15: 00007ffdcec4b1f8 [ 69.060343][ T4478] [ 69.095947][ T4478] FAULT_INJECTION: forcing a failure. [ 69.095947][ T4478] name failslab, interval 1, probability 100, space 0, times 0 [ 69.095980][ T4478] CPU: 0 UID: 0 PID: 4478 Comm: syz.2.348 Not tainted syzkaller #0 PREEMPT(lazy) [ 69.096008][ T4478] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 69.096066][ T4478] Call Trace: [ 69.096076][ T4478] [ 69.096084][ T4478] __dump_stack+0x1d/0x30 [ 69.096112][ T4478] dump_stack_lvl+0x95/0xd0 [ 69.096135][ T4478] dump_stack+0x15/0x1b [ 69.096157][ T4478] should_fail_ex+0x262/0x280 [ 69.096257][ T4478] ? sget_fc+0x4ad/0xf70 [ 69.096282][ T4478] should_failslab+0x8c/0xb0 [ 69.096353][ T4478] __kmalloc_cache_noprof+0x7a/0x400 [ 69.096384][ T4478] ? sget_fc+0x4ad/0xf70 [ 69.096410][ T4478] sget_fc+0x4ad/0xf70 [ 69.096440][ T4478] ? __pfx_set_anon_super_fc+0x10/0x10 [ 69.096620][ T4478] ? __kmalloc_cache_noprof+0x19b/0x400 [ 69.096651][ T4478] ? mqueue_init_fs_context+0x38/0x2c0 [ 69.096740][ T4478] ? __pfx_mqueue_fill_super+0x10/0x10 [ 69.096766][ T4478] get_tree_nodev+0x2a/0x100 [ 69.096855][ T4478] mqueue_get_tree+0x5d/0x80 [ 69.096938][ T4478] vfs_get_tree+0x57/0x1d0 [ 69.097007][ T4478] fc_mount_longterm+0x18/0xb0 [ 69.097090][ T4478] mq_init_ns+0x2db/0x370 [ 69.097113][ T4478] copy_ipcs+0x26d/0x460 [ 69.097206][ T4478] create_new_namespaces+0x121/0x420 [ 69.097306][ T4478] unshare_nsproxy_namespaces+0x115/0x150 [ 69.097355][ T4478] ksys_unshare+0x42b/0x710 [ 69.097385][ T4478] __x64_sys_unshare+0x1f/0x30 [ 69.097412][ T4478] x64_sys_call+0x1e33/0x2550 [ 69.097439][ T4478] do_syscall_64+0x112/0x360 [ 69.097492][ T4478] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 69.097516][ T4478] RIP: 0033:0x7f155b8ce159 [ 69.097534][ T4478] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 69.097554][ T4478] RSP: 002b:00007f155a327028 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 69.097577][ T4478] RAX: ffffffffffffffda RBX: 00007f155bb55fa0 RCX: 00007f155b8ce159 [ 69.097592][ T4478] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000006a040000 [ 69.097651][ T4478] RBP: 00007f155b96506b R08: 0000000000000000 R09: 0000000000000000 [ 69.097665][ T4478] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 69.097678][ T4478] R13: 00007f155bb56038 R14: 00007f155bb55fa0 R15: 00007ffdcec4b1f8 [ 69.097705][ T4478] [ 69.101564][ T4476] FAULT_INJECTION: forcing a failure. [ 69.101564][ T4476] name failslab, interval 1, probability 100, space 0, times 0 [ 69.101594][ T4476] CPU: 0 UID: 0 PID: 4476 Comm: syz.1.347 Not tainted syzkaller #0 PREEMPT(lazy) [ 69.101653][ T4476] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 69.101667][ T4476] Call Trace: [ 69.101675][ T4476] [ 69.101684][ T4476] __dump_stack+0x1d/0x30 [ 69.101755][ T4476] dump_stack_lvl+0x95/0xd0 [ 69.101779][ T4476] dump_stack+0x15/0x1b [ 69.101800][ T4476] should_fail_ex+0x262/0x280 [ 69.101838][ T4476] ? security_sb_alloc+0x48/0x100 [ 69.101874][ T4476] should_failslab+0x8c/0xb0 [ 69.101908][ T4476] __kmalloc_noprof+0xd0/0x4d0 [ 69.101939][ T4476] ? should_failslab+0x8c/0xb0 [ 69.101992][ T4476] ? security_sb_alloc+0x48/0x100 [ 69.102018][ T4476] security_sb_alloc+0x48/0x100 [ 69.102043][ T4476] sget_fc+0x576/0xf70 [ 69.102114][ T4476] ? __pfx_set_anon_super_fc+0x10/0x10 [ 69.102143][ T4476] ? __kmalloc_cache_noprof+0x19b/0x400 [ 69.102173][ T4476] ? mqueue_init_fs_context+0x38/0x2c0 [ 69.102253][ T4476] ? __pfx_mqueue_fill_super+0x10/0x10 [ 69.102278][ T4476] get_tree_nodev+0x2a/0x100 [ 69.102306][ T4476] mqueue_get_tree+0x5d/0x80 [ 69.102333][ T4476] vfs_get_tree+0x57/0x1d0 [ 69.102361][ T4476] fc_mount_longterm+0x18/0xb0 [ 69.102470][ T4476] mq_init_ns+0x2db/0x370 [ 69.102493][ T4476] copy_ipcs+0x26d/0x460 [ 69.102517][ T4476] create_new_namespaces+0x121/0x420 [ 69.102565][ T4476] unshare_nsproxy_namespaces+0x115/0x150 [ 69.102626][ T4476] ksys_unshare+0x42b/0x710 [ 69.102655][ T4476] __x64_sys_unshare+0x1f/0x30 [ 69.102681][ T4476] x64_sys_call+0x1e33/0x2550 [ 69.102775][ T4476] do_syscall_64+0x112/0x360 [ 69.102797][ T4476] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 69.102821][ T4476] RIP: 0033:0x7f5455d3e159 [ 69.102838][ T4476] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 69.102929][ T4476] RSP: 002b:00007f5454797028 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 69.102952][ T4476] RAX: ffffffffffffffda RBX: 00007f5455fc5fa0 RCX: 00007f5455d3e159 [ 69.102967][ T4476] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000006a040000 [ 69.102981][ T4476] RBP: 00007f5455dd506b R08: 0000000000000000 R09: 0000000000000000 [ 69.102995][ T4476] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 69.103009][ T4476] R13: 00007f5455fc6038 R14: 00007f5455fc5fa0 R15: 00007ffc6441edc8 [ 69.103082][ T4476] [ 69.116557][ T4481] FAULT_INJECTION: forcing a failure. [ 69.116557][ T4481] name failslab, interval 1, probability 100, space 0, times 0 [ 69.116587][ T4481] CPU: 0 UID: 0 PID: 4481 Comm: syz.4.349 Not tainted syzkaller #0 PREEMPT(lazy) [ 69.116639][ T4481] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 69.116652][ T4481] Call Trace: [ 69.116661][ T4481] [ 69.116670][ T4481] __dump_stack+0x1d/0x30 [ 69.116721][ T4481] dump_stack_lvl+0x95/0xd0 [ 69.116745][ T4481] dump_stack+0x15/0x1b [ 69.116767][ T4481] should_fail_ex+0x262/0x280 [ 69.116798][ T4481] ? alloc_fs_context+0x41/0x570 [ 69.116857][ T4481] should_failslab+0x8c/0xb0 [ 69.116888][ T4481] __kmalloc_cache_noprof+0x7a/0x400 [ 69.116938][ T4481] ? ida_alloc_range+0x6f4/0x730 [ 69.116961][ T4481] ? alloc_fs_context+0x41/0x570 [ 69.116986][ T4481] alloc_fs_context+0x41/0x570 [ 69.117008][ T4481] ? fs_context_for_mount+0x11/0x30 [ 69.117129][ T4481] fs_context_for_mount+0x22/0x30 [ 69.117150][ T4481] mq_init_ns+0xac/0x370 [ 69.117172][ T4481] copy_ipcs+0x26d/0x460 [ 69.117258][ T4481] create_new_namespaces+0x121/0x420 [ 69.117422][ T4481] unshare_nsproxy_namespaces+0x115/0x150 [ 69.117456][ T4481] ksys_unshare+0x42b/0x710 [ 69.117523][ T4481] __x64_sys_unshare+0x1f/0x30 [ 69.117549][ T4481] x64_sys_call+0x1e33/0x2550 [ 69.117576][ T4481] do_syscall_64+0x112/0x360 [ 69.117617][ T4481] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 69.117641][ T4481] RIP: 0033:0x7f3d29ebe159 [ 69.117659][ T4481] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 69.117679][ T4481] RSP: 002b:00007f3d28917028 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 69.117709][ T4481] RAX: ffffffffffffffda RBX: 00007f3d2a145fa0 RCX: 00007f3d29ebe159 [ 69.117725][ T4481] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000006a040000 [ 69.117758][ T4481] RBP: 00007f3d29f5506b R08: 0000000000000000 R09: 0000000000000000 [ 69.117772][ T4481] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 69.117785][ T4481] R13: 00007f3d2a146038 R14: 00007f3d2a145fa0 R15: 00007ffe2a709b98 [ 69.117806][ T4481] [ 69.130879][ T4478] FAULT_INJECTION: forcing a failure. [ 69.130879][ T4478] name failslab, interval 1, probability 100, space 0, times 0 [ 69.130910][ T4478] CPU: 0 UID: 0 PID: 4478 Comm: syz.2.348 Not tainted syzkaller #0 PREEMPT(lazy) [ 69.131011][ T4478] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 69.131025][ T4478] Call Trace: [ 69.131033][ T4478] [ 69.131041][ T4478] __dump_stack+0x1d/0x30 [ 69.131069][ T4478] dump_stack_lvl+0x95/0xd0 [ 69.131203][ T4478] dump_stack+0x15/0x1b [ 69.131225][ T4478] should_fail_ex+0x262/0x280 [ 69.131303][ T4478] ? security_sb_alloc+0x48/0x100 [ 69.131328][ T4478] should_failslab+0x8c/0xb0 [ 69.131425][ T4478] __kmalloc_noprof+0xd0/0x4d0 [ 69.131455][ T4478] ? should_failslab+0x8c/0xb0 [ 69.131482][ T4478] ? security_sb_alloc+0x48/0x100 [ 69.131587][ T4478] security_sb_alloc+0x48/0x100 [ 69.131642][ T4478] sget_fc+0x576/0xf70 [ 69.131666][ T4478] ? __pfx_set_anon_super_fc+0x10/0x10 [ 69.131708][ T4478] ? __kmalloc_cache_noprof+0x19b/0x400 [ 69.131841][ T4478] ? mqueue_init_fs_context+0x38/0x2c0 [ 69.131892][ T4478] ? __pfx_mqueue_fill_super+0x10/0x10 [ 69.131918][ T4478] get_tree_nodev+0x2a/0x100 [ 69.131969][ T4478] mqueue_get_tree+0x5d/0x80 [ 69.131993][ T4478] vfs_get_tree+0x57/0x1d0 [ 69.132090][ T4478] fc_mount_longterm+0x18/0xb0 [ 69.132121][ T4478] mq_init_ns+0x2db/0x370 [ 69.132145][ T4478] copy_ipcs+0x26d/0x460 [ 69.132170][ T4478] create_new_namespaces+0x121/0x420 [ 69.132204][ T4478] unshare_nsproxy_namespaces+0x115/0x150 [ 69.132286][ T4478] ksys_unshare+0x42b/0x710 [ 69.132315][ T4478] __x64_sys_unshare+0x1f/0x30 [ 69.132342][ T4478] x64_sys_call+0x1e33/0x2550 [ 69.132382][ T4478] do_syscall_64+0x112/0x360 [ 69.132465][ T4478] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 69.132488][ T4478] RIP: 0033:0x7f155b8ce159 [ 69.132506][ T4478] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 69.132526][ T4478] RSP: 002b:00007f155a327028 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 69.132610][ T4478] RAX: ffffffffffffffda RBX: 00007f155bb55fa0 RCX: 00007f155b8ce159 [ 69.132627][ T4478] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000006a040000 [ 69.132642][ T4478] RBP: 00007f155b96506b R08: 0000000000000000 R09: 0000000000000000 [ 69.132657][ T4478] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 69.132671][ T4478] R13: 00007f155bb56038 R14: 00007f155bb55fa0 R15: 00007ffdcec4b1f8 [ 69.132691][ T4478] [ 69.150670][ T4476] FAULT_INJECTION: forcing a failure. [ 69.150670][ T4476] name failslab, interval 1, probability 100, space 0, times 0 [ 69.150716][ T4476] CPU: 0 UID: 0 PID: 4476 Comm: syz.1.347 Not tainted syzkaller #0 PREEMPT(lazy) [ 69.150766][ T4476] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 69.150779][ T4476] Call Trace: [ 69.150789][ T4476] [ 69.150798][ T4476] __dump_stack+0x1d/0x30 [ 69.150825][ T4476] dump_stack_lvl+0x95/0xd0 [ 69.150924][ T4476] dump_stack+0x15/0x1b [ 69.150946][ T4476] should_fail_ex+0x262/0x280 [ 69.150971][ T4476] ? __list_lru_init+0x72/0x2f0 [ 69.151003][ T4476] should_failslab+0x8c/0xb0 [ 69.151099][ T4476] __kmalloc_noprof+0xd0/0x4d0 [ 69.151129][ T4476] ? __list_lru_init+0x72/0x2f0 [ 69.151202][ T4476] __list_lru_init+0x72/0x2f0 [ 69.151235][ T4476] sget_fc+0x8cf/0xf70 [ 69.151259][ T4476] ? __pfx_set_anon_super_fc+0x10/0x10 [ 69.151288][ T4476] ? __kmalloc_cache_noprof+0x19b/0x400 [ 69.151367][ T4476] ? mqueue_init_fs_context+0x38/0x2c0 [ 69.151394][ T4476] ? __pfx_mqueue_fill_super+0x10/0x10 [ 69.151420][ T4476] get_tree_nodev+0x2a/0x100 [ 69.151521][ T4476] mqueue_get_tree+0x5d/0x80 [ 69.151545][ T4476] vfs_get_tree+0x57/0x1d0 [ 69.151573][ T4476] fc_mount_longterm+0x18/0xb0 [ 69.151617][ T4476] mq_init_ns+0x2db/0x370 [ 69.151640][ T4476] copy_ipcs+0x26d/0x460 [ 69.151708][ T4476] create_new_namespaces+0x121/0x420 [ 69.151817][ T4476] unshare_nsproxy_namespaces+0x115/0x150 [ 69.151850][ T4476] ksys_unshare+0x42b/0x710 [ 69.151897][ T4476] __x64_sys_unshare+0x1f/0x30 [ 69.151924][ T4476] x64_sys_call+0x1e33/0x2550 [ 69.151973][ T4476] do_syscall_64+0x112/0x360 [ 69.151995][ T4476] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 69.152079][ T4476] RIP: 0033:0x7f5455d3e159 [ 69.152097][ T4476] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 69.152137][ T4476] RSP: 002b:00007f5454797028 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 69.152159][ T4476] RAX: ffffffffffffffda RBX: 00007f5455fc5fa0 RCX: 00007f5455d3e159 [ 69.152175][ T4476] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000006a040000 [ 69.152190][ T4476] RBP: 00007f5455dd506b R08: 0000000000000000 R09: 0000000000000000 [ 69.152205][ T4476] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 69.152219][ T4476] R13: 00007f5455fc6038 R14: 00007f5455fc5fa0 R15: 00007ffc6441edc8 [ 69.152297][ T4476] [ 69.154949][ T4481] FAULT_INJECTION: forcing a failure. [ 69.154949][ T4481] name failslab, interval 1, probability 100, space 0, times 0 [ 69.154980][ T4481] CPU: 0 UID: 0 PID: 4481 Comm: syz.4.349 Not tainted syzkaller #0 PREEMPT(lazy) [ 69.155007][ T4481] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 69.155020][ T4481] Call Trace: [ 69.155028][ T4481] [ 69.155037][ T4481] __dump_stack+0x1d/0x30 [ 69.155063][ T4481] dump_stack_lvl+0x95/0xd0 [ 69.155164][ T4481] dump_stack+0x15/0x1b [ 69.155278][ T4481] should_fail_ex+0x262/0x280 [ 69.155305][ T4481] ? mqueue_init_fs_context+0x38/0x2c0 [ 69.155346][ T4481] should_failslab+0x8c/0xb0 [ 69.155375][ T4481] __kmalloc_cache_noprof+0x7a/0x400 [ 69.155458][ T4481] ? mqueue_init_fs_context+0x38/0x2c0 [ 69.155529][ T4481] mqueue_init_fs_context+0x38/0x2c0 [ 69.155620][ T4481] alloc_fs_context+0x490/0x570 [ 69.155645][ T4481] fs_context_for_mount+0x22/0x30 [ 69.155668][ T4481] mq_init_ns+0xac/0x370 [ 69.155762][ T4481] copy_ipcs+0x26d/0x460 [ 69.155787][ T4481] create_new_namespaces+0x121/0x420 [ 69.155821][ T4481] unshare_nsproxy_namespaces+0x115/0x150 [ 69.155868][ T4481] ksys_unshare+0x42b/0x710 [ 69.155897][ T4481] __x64_sys_unshare+0x1f/0x30 [ 69.155923][ T4481] x64_sys_call+0x1e33/0x2550 [ 69.156002][ T4481] do_syscall_64+0x112/0x360 [ 69.156029][ T4481] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 69.156054][ T4481] RIP: 0033:0x7f3d29ebe159 [ 69.156130][ T4481] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 69.156165][ T4481] RSP: 002b:00007f3d28917028 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 69.156188][ T4481] RAX: ffffffffffffffda RBX: 00007f3d2a145fa0 RCX: 00007f3d29ebe159 [ 69.156203][ T4481] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000006a040000 [ 69.156218][ T4481] RBP: 00007f3d29f5506b R08: 0000000000000000 R09: 0000000000000000 [ 69.156238][ T4481] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 69.156252][ T4481] R13: 00007f3d2a146038 R14: 00007f3d2a145fa0 R15: 00007ffe2a709b98 [ 69.156273][ T4481] [ 69.159566][ T4478] FAULT_INJECTION: forcing a failure. [ 69.159566][ T4478] name failslab, interval 1, probability 100, space 0, times 0 [ 69.159659][ T4478] CPU: 0 UID: 0 PID: 4478 Comm: syz.2.348 Not tainted syzkaller #0 PREEMPT(lazy) [ 69.159685][ T4478] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 69.159707][ T4478] Call Trace: [ 69.159714][ T4478] [ 69.159723][ T4478] __dump_stack+0x1d/0x30 [ 69.159803][ T4478] dump_stack_lvl+0x95/0xd0 [ 69.159826][ T4478] dump_stack+0x15/0x1b [ 69.159847][ T4478] should_fail_ex+0x262/0x280 [ 69.159873][ T4478] ? __list_lru_init+0x72/0x2f0 [ 69.159920][ T4478] should_failslab+0x8c/0xb0 [ 69.159949][ T4478] __kmalloc_noprof+0xd0/0x4d0 [ 69.159998][ T4478] ? __list_lru_init+0x72/0x2f0 [ 69.160032][ T4478] __list_lru_init+0x72/0x2f0 [ 69.160064][ T4478] sget_fc+0x8cf/0xf70 [ 69.160130][ T4478] ? __pfx_set_anon_super_fc+0x10/0x10 [ 69.160159][ T4478] ? __kmalloc_cache_noprof+0x19b/0x400 [ 69.160190][ T4478] ? mqueue_init_fs_context+0x38/0x2c0 [ 69.160267][ T4478] ? __pfx_mqueue_fill_super+0x10/0x10 [ 69.160294][ T4478] get_tree_nodev+0x2a/0x100 [ 69.160320][ T4478] mqueue_get_tree+0x5d/0x80 [ 69.160343][ T4478] vfs_get_tree+0x57/0x1d0 [ 69.160440][ T4478] fc_mount_longterm+0x18/0xb0 [ 69.160465][ T4478] mq_init_ns+0x2db/0x370 [ 69.160488][ T4478] copy_ipcs+0x26d/0x460 [ 69.160572][ T4478] create_new_namespaces+0x121/0x420 [ 69.160605][ T4478] unshare_nsproxy_namespaces+0x115/0x150 [ 69.160638][ T4478] ksys_unshare+0x42b/0x710 [ 69.160733][ T4478] __x64_sys_unshare+0x1f/0x30 [ 69.160760][ T4478] x64_sys_call+0x1e33/0x2550 [ 69.160793][ T4478] do_syscall_64+0x112/0x360 [ 69.160892][ T4478] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 69.160915][ T4478] RIP: 0033:0x7f155b8ce159 [ 69.160932][ T4478] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 69.161003][ T4478] RSP: 002b:00007f155a327028 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 69.161025][ T4478] RAX: ffffffffffffffda RBX: 00007f155bb55fa0 RCX: 00007f155b8ce159 [ 69.161113][ T4478] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000006a040000 [ 69.161127][ T4478] RBP: 00007f155b96506b R08: 0000000000000000 R09: 0000000000000000 [ 69.161141][ T4478] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 69.161225][ T4478] R13: 00007f155bb56038 R14: 00007f155bb55fa0 R15: 00007ffdcec4b1f8 [ 69.161245][ T4478] [ 69.182633][ T4481] FAULT_INJECTION: forcing a failure. [ 69.182633][ T4481] name failslab, interval 1, probability 100, space 0, times 0 [ 69.182665][ T4481] CPU: 0 UID: 0 PID: 4481 Comm: syz.4.349 Not tainted syzkaller #0 PREEMPT(lazy) [ 69.182691][ T4481] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 69.182704][ T4481] Call Trace: [ 69.182737][ T4481] [ 69.182746][ T4481] __dump_stack+0x1d/0x30 [ 69.182772][ T4481] dump_stack_lvl+0x95/0xd0 [ 69.182803][ T4481] dump_stack+0x15/0x1b [ 69.182880][ T4481] should_fail_ex+0x262/0x280 [ 69.182905][ T4481] ? sget_fc+0x4ad/0xf70 [ 69.182965][ T4481] should_failslab+0x8c/0xb0 [ 69.183029][ T4481] __kmalloc_cache_noprof+0x7a/0x400 [ 69.183077][ T4481] ? sget_fc+0x4ad/0xf70 [ 69.183102][ T4481] sget_fc+0x4ad/0xf70 [ 69.183156][ T4481] ? __pfx_set_anon_super_fc+0x10/0x10 [ 69.183198][ T4481] ? __kmalloc_cache_noprof+0x19b/0x400 [ 69.183228][ T4481] ? mqueue_init_fs_context+0x38/0x2c0 [ 69.183360][ T4481] ? __pfx_mqueue_fill_super+0x10/0x10 [ 69.183386][ T4481] get_tree_nodev+0x2a/0x100 [ 69.183467][ T4481] mqueue_get_tree+0x5d/0x80 [ 69.183492][ T4481] vfs_get_tree+0x57/0x1d0 [ 69.183520][ T4481] fc_mount_longterm+0x18/0xb0 [ 69.183616][ T4481] mq_init_ns+0x2db/0x370 [ 69.183638][ T4481] copy_ipcs+0x26d/0x460 [ 69.183663][ T4481] create_new_namespaces+0x121/0x420 [ 69.183758][ T4481] unshare_nsproxy_namespaces+0x115/0x150 [ 69.183792][ T4481] ksys_unshare+0x42b/0x710 [ 69.183828][ T4481] __x64_sys_unshare+0x1f/0x30 [ 69.183867][ T4481] x64_sys_call+0x1e33/0x2550 [ 69.183903][ T4481] do_syscall_64+0x112/0x360 [ 69.183926][ T4481] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 69.183950][ T4481] RIP: 0033:0x7f3d29ebe159 [ 69.183968][ T4481] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 69.183988][ T4481] RSP: 002b:00007f3d28917028 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 69.184011][ T4481] RAX: ffffffffffffffda RBX: 00007f3d2a145fa0 RCX: 00007f3d29ebe159 [ 69.184067][ T4481] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000006a040000 [ 69.184082][ T4481] RBP: 00007f3d29f5506b R08: 0000000000000000 R09: 0000000000000000 [ 69.184096][ T4481] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 69.184132][ T4481] R13: 00007f3d2a146038 R14: 00007f3d2a145fa0 R15: 00007ffe2a709b98 [ 69.184152][ T4481] [ 69.185099][ T4478] FAULT_INJECTION: forcing a failure. [ 69.185099][ T4478] name failslab, interval 1, probability 100, space 0, times 0 [ 69.185126][ T4478] CPU: 0 UID: 0 PID: 4478 Comm: syz.2.348 Not tainted syzkaller #0 PREEMPT(lazy) [ 69.185267][ T4478] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 69.185280][ T4478] Call Trace: [ 69.185286][ T4478] [ 69.185295][ T4478] __dump_stack+0x1d/0x30 [ 69.185319][ T4478] dump_stack_lvl+0x95/0xd0 [ 69.185349][ T4478] dump_stack+0x15/0x1b [ 69.185423][ T4478] should_fail_ex+0x262/0x280 [ 69.185482][ T4478] ? __list_lru_init+0x72/0x2f0 [ 69.185563][ T4478] should_failslab+0x8c/0xb0 [ 69.185592][ T4478] __kmalloc_noprof+0xd0/0x4d0 [ 69.185712][ T4478] ? __list_lru_init+0x72/0x2f0 [ 69.185745][ T4478] __list_lru_init+0x72/0x2f0 [ 69.185788][ T4478] sget_fc+0x905/0xf70 [ 69.185820][ T4478] ? __pfx_set_anon_super_fc+0x10/0x10 [ 69.185849][ T4478] ? __kmalloc_cache_noprof+0x19b/0x400 [ 69.185913][ T4478] ? mqueue_init_fs_context+0x38/0x2c0 [ 69.185939][ T4478] ? __pfx_mqueue_fill_super+0x10/0x10 [ 69.186020][ T4478] get_tree_nodev+0x2a/0x100 [ 69.186047][ T4478] mqueue_get_tree+0x5d/0x80 [ 69.186071][ T4478] vfs_get_tree+0x57/0x1d0 [ 69.186120][ T4478] fc_mount_longterm+0x18/0xb0 [ 69.186215][ T4478] mq_init_ns+0x2db/0x370 [ 69.186238][ T4478] copy_ipcs+0x26d/0x460 [ 69.186263][ T4478] create_new_namespaces+0x121/0x420 [ 69.186296][ T4478] unshare_nsproxy_namespaces+0x115/0x150 [ 69.186345][ T4478] ksys_unshare+0x42b/0x710 [ 69.186426][ T4478] __x64_sys_unshare+0x1f/0x30 [ 69.186452][ T4478] x64_sys_call+0x1e33/0x2550 [ 69.186489][ T4478] do_syscall_64+0x112/0x360 [ 69.186621][ T4478] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 69.186644][ T4478] RIP: 0033:0x7f155b8ce159 [ 69.186713][ T4478] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 69.186733][ T4478] RSP: 002b:00007f155a327028 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 69.186755][ T4478] RAX: ffffffffffffffda RBX: 00007f155bb55fa0 RCX: 00007f155b8ce159 [ 69.186770][ T4478] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000006a040000 [ 69.186851][ T4478] RBP: 00007f155b96506b R08: 0000000000000000 R09: 0000000000000000 [ 69.186898][ T4478] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 69.186912][ T4478] R13: 00007f155bb56038 R14: 00007f155bb55fa0 R15: 00007ffdcec4b1f8 [ 69.186932][ T4478] [ 69.188166][ T4476] FAULT_INJECTION: forcing a failure. [ 69.188166][ T4476] name failslab, interval 1, probability 100, space 0, times 0 [ 69.188194][ T4476] CPU: 0 UID: 0 PID: 4476 Comm: syz.1.347 Not tainted syzkaller #0 PREEMPT(lazy) [ 69.188220][ T4476] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 69.188233][ T4476] Call Trace: [ 69.188248][ T4476] [ 69.188256][ T4476] __dump_stack+0x1d/0x30 [ 69.188279][ T4476] dump_stack_lvl+0x95/0xd0 [ 69.188302][ T4476] dump_stack+0x15/0x1b [ 69.188330][ T4476] should_fail_ex+0x262/0x280 [ 69.188355][ T4476] ? __list_lru_init+0x72/0x2f0 [ 69.188387][ T4476] should_failslab+0x8c/0xb0 [ 69.188453][ T4476] __kmalloc_noprof+0xd0/0x4d0 [ 69.188483][ T4476] ? __list_lru_init+0x72/0x2f0 [ 69.188517][ T4476] __list_lru_init+0x72/0x2f0 [ 69.188549][ T4476] sget_fc+0x905/0xf70 [ 69.188608][ T4476] ? __pfx_set_anon_super_fc+0x10/0x10 [ 69.188636][ T4476] ? __kmalloc_cache_noprof+0x19b/0x400 [ 69.188667][ T4476] ? mqueue_init_fs_context+0x38/0x2c0 [ 69.188762][ T4476] ? __pfx_mqueue_fill_super+0x10/0x10 [ 69.188788][ T4476] get_tree_nodev+0x2a/0x100 [ 69.188823][ T4476] mqueue_get_tree+0x5d/0x80 [ 69.188847][ T4476] vfs_get_tree+0x57/0x1d0 [ 69.188906][ T4476] fc_mount_longterm+0x18/0xb0 [ 69.188934][ T4476] mq_init_ns+0x2db/0x370 [ 69.188956][ T4476] copy_ipcs+0x26d/0x460 [ 69.188981][ T4476] create_new_namespaces+0x121/0x420 [ 69.189042][ T4476] unshare_nsproxy_namespaces+0x115/0x150 [ 69.189101][ T4476] ksys_unshare+0x42b/0x710 [ 69.189186][ T4476] __x64_sys_unshare+0x1f/0x30 [ 69.189213][ T4476] x64_sys_call+0x1e33/0x2550 [ 69.189239][ T4476] do_syscall_64+0x112/0x360 [ 69.189330][ T4476] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 69.189354][ T4476] RIP: 0033:0x7f5455d3e159 [ 69.189370][ T4476] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 69.189390][ T4476] RSP: 002b:00007f5454797028 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 69.189412][ T4476] RAX: ffffffffffffffda RBX: 00007f5455fc5fa0 RCX: 00007f5455d3e159 [ 69.189464][ T4476] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000006a040000 [ 69.189529][ T4476] RBP: 00007f5455dd506b R08: 0000000000000000 R09: 0000000000000000 [ 69.189543][ T4476] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 69.189556][ T4476] R13: 00007f5455fc6038 R14: 00007f5455fc5fa0 R15: 00007ffc6441edc8 [ 69.189576][ T4476] [ 69.209866][ T4481] FAULT_INJECTION: forcing a failure. [ 69.209866][ T4481] name failslab, interval 1, probability 100, space 0, times 0 [ 69.210049][ T4481] CPU: 0 UID: 0 PID: 4481 Comm: syz.4.349 Not tainted syzkaller #0 PREEMPT(lazy) [ 69.210124][ T4481] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 69.210137][ T4481] Call Trace: [ 69.210215][ T4481] [ 69.210224][ T4481] __dump_stack+0x1d/0x30 [ 69.210251][ T4481] dump_stack_lvl+0x95/0xd0 [ 69.210302][ T4481] dump_stack+0x15/0x1b [ 69.210324][ T4481] should_fail_ex+0x262/0x280 [ 69.210350][ T4481] ? security_sb_alloc+0x48/0x100 [ 69.210408][ T4481] should_failslab+0x8c/0xb0 [ 69.210438][ T4481] __kmalloc_noprof+0xd0/0x4d0 [ 69.210467][ T4481] ? should_failslab+0x8c/0xb0 [ 69.210495][ T4481] ? security_sb_alloc+0x48/0x100 [ 69.210592][ T4481] security_sb_alloc+0x48/0x100 [ 69.210616][ T4481] sget_fc+0x576/0xf70 [ 69.210686][ T4481] ? __pfx_set_anon_super_fc+0x10/0x10 [ 69.210767][ T4481] ? __kmalloc_cache_noprof+0x19b/0x400 [ 69.210803][ T4481] ? mqueue_init_fs_context+0x38/0x2c0 [ 69.210870][ T4481] ? __pfx_mqueue_fill_super+0x10/0x10 [ 69.210896][ T4481] get_tree_nodev+0x2a/0x100 [ 69.211000][ T4481] mqueue_get_tree+0x5d/0x80 [ 69.211085][ T4481] vfs_get_tree+0x57/0x1d0 [ 69.211198][ T4481] fc_mount_longterm+0x18/0xb0 [ 69.211227][ T4481] mq_init_ns+0x2db/0x370 [ 69.211253][ T4481] copy_ipcs+0x26d/0x460 [ 69.211314][ T4481] create_new_namespaces+0x121/0x420 [ 69.211348][ T4481] unshare_nsproxy_namespaces+0x115/0x150 [ 69.211461][ T4481] ksys_unshare+0x42b/0x710 [ 69.211543][ T4481] __x64_sys_unshare+0x1f/0x30 [ 69.211570][ T4481] x64_sys_call+0x1e33/0x2550 [ 69.211603][ T4481] do_syscall_64+0x112/0x360 [ 69.211626][ T4481] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 69.211650][ T4481] RIP: 0033:0x7f3d29ebe159 [ 69.211712][ T4481] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 69.211782][ T4481] RSP: 002b:00007f3d28917028 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 69.211813][ T4481] RAX: ffffffffffffffda RBX: 00007f3d2a145fa0 RCX: 00007f3d29ebe159 [ 69.211829][ T4481] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000006a040000 [ 69.211845][ T4481] RBP: 00007f3d29f5506b R08: 0000000000000000 R09: 0000000000000000 [ 69.211899][ T4481] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 69.211912][ T4481] R13: 00007f3d2a146038 R14: 00007f3d2a145fa0 R15: 00007ffe2a709b98 [ 69.211933][ T4481] [ 69.214221][ T4478] FAULT_INJECTION: forcing a failure. [ 69.214221][ T4478] name failslab, interval 1, probability 100, space 0, times 0 [ 69.214250][ T4478] CPU: 0 UID: 0 PID: 4478 Comm: syz.2.348 Not tainted syzkaller #0 PREEMPT(lazy) [ 69.214291][ T4478] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 69.214304][ T4478] Call Trace: [ 69.214311][ T4478] [ 69.214319][ T4478] __dump_stack+0x1d/0x30 [ 69.214381][ T4478] dump_stack_lvl+0x95/0xd0 [ 69.214404][ T4478] dump_stack+0x15/0x1b [ 69.214426][ T4478] should_fail_ex+0x262/0x280 [ 69.214479][ T4478] ? sget_fc+0x93a/0xf70 [ 69.214503][ T4478] should_failslab+0x8c/0xb0 [ 69.214532][ T4478] __kmalloc_cache_noprof+0x7a/0x400 [ 69.214563][ T4478] ? mutex_unlock+0x4e/0x90 [ 69.214591][ T4478] ? sget_fc+0x93a/0xf70 [ 69.214616][ T4478] sget_fc+0x93a/0xf70 [ 69.214640][ T4478] ? __pfx_set_anon_super_fc+0x10/0x10 [ 69.214740][ T4478] ? __kmalloc_cache_noprof+0x19b/0x400 [ 69.214784][ T4478] ? mqueue_init_fs_context+0x38/0x2c0 [ 69.214819][ T4478] ? __pfx_mqueue_fill_super+0x10/0x10 [ 69.214845][ T4478] get_tree_nodev+0x2a/0x100 [ 69.214891][ T4478] mqueue_get_tree+0x5d/0x80 [ 69.214973][ T4478] vfs_get_tree+0x57/0x1d0 [ 69.215134][ T4478] fc_mount_longterm+0x18/0xb0 [ 69.215162][ T4478] mq_init_ns+0x2db/0x370 [ 69.215185][ T4478] copy_ipcs+0x26d/0x460 [ 69.215209][ T4478] create_new_namespaces+0x121/0x420 [ 69.215285][ T4478] unshare_nsproxy_namespaces+0x115/0x150 [ 69.215319][ T4478] ksys_unshare+0x42b/0x710 [ 69.215381][ T4478] __x64_sys_unshare+0x1f/0x30 [ 69.215408][ T4478] x64_sys_call+0x1e33/0x2550 [ 69.215569][ T4478] do_syscall_64+0x112/0x360 [ 69.215658][ T4478] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 69.215681][ T4478] RIP: 0033:0x7f155b8ce159 [ 69.215699][ T4478] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 69.215718][ T4478] RSP: 002b:00007f155a327028 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 69.215740][ T4478] RAX: ffffffffffffffda RBX: 00007f155bb55fa0 RCX: 00007f155b8ce159 [ 69.215756][ T4478] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000006a040000 [ 69.215829][ T4478] RBP: 00007f155b96506b R08: 0000000000000000 R09: 0000000000000000 [ 69.215843][ T4478] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 69.215921][ T4478] R13: 00007f155bb56038 R14: 00007f155bb55fa0 R15: 00007ffdcec4b1f8 [ 69.215941][ T4478] [ 69.217558][ T4476] FAULT_INJECTION: forcing a failure. [ 69.217558][ T4476] name failslab, interval 1, probability 100, space 0, times 0 [ 69.217585][ T4476] CPU: 0 UID: 0 PID: 4476 Comm: syz.1.347 Not tainted syzkaller #0 PREEMPT(lazy) [ 69.217610][ T4476] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 69.217622][ T4476] Call Trace: [ 69.217629][ T4476] [ 69.217637][ T4476] __dump_stack+0x1d/0x30 [ 69.217690][ T4476] dump_stack_lvl+0x95/0xd0 [ 69.217713][ T4476] dump_stack+0x15/0x1b [ 69.217734][ T4476] should_fail_ex+0x262/0x280 [ 69.217778][ T4476] ? sget_fc+0x93a/0xf70 [ 69.217868][ T4476] should_failslab+0x8c/0xb0 [ 69.217898][ T4476] __kmalloc_cache_noprof+0x7a/0x400 [ 69.217944][ T4476] ? mutex_unlock+0x4e/0x90 [ 69.217970][ T4476] ? sget_fc+0x93a/0xf70 [ 69.218032][ T4476] sget_fc+0x93a/0xf70 [ 69.218131][ T4476] ? __pfx_set_anon_super_fc+0x10/0x10 [ 69.218226][ T4476] ? __kmalloc_cache_noprof+0x19b/0x400 [ 69.218256][ T4476] ? mqueue_init_fs_context+0x38/0x2c0 [ 69.218354][ T4476] ? __pfx_mqueue_fill_super+0x10/0x10 [ 69.218380][ T4476] get_tree_nodev+0x2a/0x100 [ 69.218408][ T4476] mqueue_get_tree+0x5d/0x80 [ 69.218433][ T4476] vfs_get_tree+0x57/0x1d0 [ 69.218462][ T4476] fc_mount_longterm+0x18/0xb0 [ 69.218535][ T4476] mq_init_ns+0x2db/0x370 [ 69.218561][ T4476] copy_ipcs+0x26d/0x460 [ 69.218612][ T4476] create_new_namespaces+0x121/0x420 [ 69.218645][ T4476] unshare_nsproxy_namespaces+0x115/0x150 [ 69.218694][ T4476] ksys_unshare+0x42b/0x710 [ 69.218723][ T4476] __x64_sys_unshare+0x1f/0x30 [ 69.218750][ T4476] x64_sys_call+0x1e33/0x2550 [ 69.218834][ T4476] do_syscall_64+0x112/0x360 [ 69.218855][ T4476] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 69.218878][ T4476] RIP: 0033:0x7f5455d3e159 [ 69.218970][ T4476] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 69.218989][ T4476] RSP: 002b:00007f5454797028 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 69.219011][ T4476] RAX: ffffffffffffffda RBX: 00007f5455fc5fa0 RCX: 00007f5455d3e159 [ 69.219044][ T4476] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000006a040000 [ 69.219058][ T4476] RBP: 00007f5455dd506b R08: 0000000000000000 R09: 0000000000000000 [ 69.219073][ T4476] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 69.219086][ T4476] R13: 00007f5455fc6038 R14: 00007f5455fc5fa0 R15: 00007ffc6441edc8 [ 69.219106][ T4476] [ 69.239514][ T4478] FAULT_INJECTION: forcing a failure. [ 69.239514][ T4478] name failslab, interval 1, probability 100, space 0, times 0 [ 69.239605][ T4478] CPU: 0 UID: 0 PID: 4478 Comm: syz.2.348 Not tainted syzkaller #0 PREEMPT(lazy) [ 69.239664][ T4478] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 69.239677][ T4478] Call Trace: [ 69.239685][ T4478] [ 69.239694][ T4478] __dump_stack+0x1d/0x30 [ 69.239721][ T4478] dump_stack_lvl+0x95/0xd0 [ 69.239744][ T4478] dump_stack+0x15/0x1b [ 69.239813][ T4478] should_fail_ex+0x262/0x280 [ 69.239838][ T4478] should_failslab+0x8c/0xb0 [ 69.239898][ T4478] kmem_cache_alloc_lru_noprof+0x7f/0x3f0 [ 69.239932][ T4478] ? mqueue_alloc_inode+0x34/0x50 [ 69.240001][ T4478] ? mqueue_alloc_inode+0x34/0x50 [ 69.240026][ T4478] ? __pfx_mqueue_fill_super+0x10/0x10 [ 69.240051][ T4478] ? __pfx_mqueue_alloc_inode+0x10/0x10 [ 69.240076][ T4478] mqueue_alloc_inode+0x34/0x50 [ 69.240142][ T4478] alloc_inode+0x40/0x170 [ 69.240210][ T4478] new_inode+0x1d/0xe0 [ 69.240231][ T4478] ? __pfx_mqueue_fill_super+0x10/0x10 [ 69.240278][ T4478] mqueue_fill_super+0x89/0x1d0 [ 69.240302][ T4478] ? __pfx_mqueue_fill_super+0x10/0x10 [ 69.240328][ T4478] get_tree_nodev+0x83/0x100 [ 69.240356][ T4478] mqueue_get_tree+0x5d/0x80 [ 69.240440][ T4478] vfs_get_tree+0x57/0x1d0 [ 69.240469][ T4478] fc_mount_longterm+0x18/0xb0 [ 69.240498][ T4478] mq_init_ns+0x2db/0x370 [ 69.240521][ T4478] copy_ipcs+0x26d/0x460 [ 69.240611][ T4478] create_new_namespaces+0x121/0x420 [ 69.240644][ T4478] unshare_nsproxy_namespaces+0x115/0x150 [ 69.240685][ T4478] ksys_unshare+0x42b/0x710 [ 69.240713][ T4478] __x64_sys_unshare+0x1f/0x30 [ 69.240740][ T4478] x64_sys_call+0x1e33/0x2550 [ 69.240812][ T4478] do_syscall_64+0x112/0x360 [ 69.240835][ T4478] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 69.240926][ T4478] RIP: 0033:0x7f155b8ce159 [ 69.240944][ T4478] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 69.240962][ T4478] RSP: 002b:00007f155a327028 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 69.240983][ T4478] RAX: ffffffffffffffda RBX: 00007f155bb55fa0 RCX: 00007f155b8ce159 [ 69.241007][ T4478] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000006a040000 [ 69.241022][ T4478] RBP: 00007f155b96506b R08: 0000000000000000 R09: 0000000000000000 [ 69.241036][ T4478] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 69.241050][ T4478] R13: 00007f155bb56038 R14: 00007f155bb55fa0 R15: 00007ffdcec4b1f8 [ 69.241070][ T4478] [ 69.258511][ T4476] FAULT_INJECTION: forcing a failure. [ 69.258511][ T4476] name failslab, interval 1, probability 100, space 0, times 0 [ 69.258623][ T4476] CPU: 0 UID: 0 PID: 4476 Comm: syz.1.347 Not tainted syzkaller #0 PREEMPT(lazy) [ 69.258650][ T4476] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 69.258662][ T4476] Call Trace: [ 69.258670][ T4476] [ 69.258678][ T4476] __dump_stack+0x1d/0x30 [ 69.258703][ T4476] dump_stack_lvl+0x95/0xd0 [ 69.258773][ T4476] dump_stack+0x15/0x1b [ 69.258794][ T4476] should_fail_ex+0x262/0x280 [ 69.258829][ T4476] should_failslab+0x8c/0xb0 [ 69.258875][ T4476] kmem_cache_alloc_lru_noprof+0x7f/0x3f0 [ 69.258908][ T4476] ? mqueue_alloc_inode+0x34/0x50 [ 69.258991][ T4476] ? mqueue_alloc_inode+0x34/0x50 [ 69.259016][ T4476] ? __pfx_mqueue_fill_super+0x10/0x10 [ 69.259083][ T4476] ? __pfx_mqueue_alloc_inode+0x10/0x10 [ 69.259130][ T4476] mqueue_alloc_inode+0x34/0x50 [ 69.259224][ T4476] alloc_inode+0x40/0x170 [ 69.259245][ T4476] new_inode+0x1d/0xe0 [ 69.259266][ T4476] ? __pfx_mqueue_fill_super+0x10/0x10 [ 69.259342][ T4476] mqueue_fill_super+0x89/0x1d0 [ 69.259367][ T4476] ? __pfx_mqueue_fill_super+0x10/0x10 [ 69.259564][ T4476] get_tree_nodev+0x83/0x100 [ 69.259592][ T4476] mqueue_get_tree+0x5d/0x80 [ 69.259616][ T4476] vfs_get_tree+0x57/0x1d0 [ 69.259671][ T4476] fc_mount_longterm+0x18/0xb0 [ 69.259699][ T4476] mq_init_ns+0x2db/0x370 [ 69.259722][ T4476] copy_ipcs+0x26d/0x460 [ 69.259881][ T4476] create_new_namespaces+0x121/0x420 [ 69.259951][ T4476] unshare_nsproxy_namespaces+0x115/0x150 [ 69.260019][ T4476] ksys_unshare+0x42b/0x710 [ 69.260048][ T4476] __x64_sys_unshare+0x1f/0x30 [ 69.260218][ T4476] x64_sys_call+0x1e33/0x2550 [ 69.260244][ T4476] do_syscall_64+0x112/0x360 [ 69.260266][ T4476] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 69.260307][ T4476] RIP: 0033:0x7f5455d3e159 [ 69.260428][ T4476] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 69.260503][ T4476] RSP: 002b:00007f5454797028 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 69.260528][ T4476] RAX: ffffffffffffffda RBX: 00007f5455fc5fa0 RCX: 00007f5455d3e159 [ 69.260548][ T4476] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000006a040000 [ 69.260564][ T4476] RBP: 00007f5455dd506b R08: 0000000000000000 R09: 0000000000000000 [ 69.260578][ T4476] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 69.260592][ T4476] R13: 00007f5455fc6038 R14: 00007f5455fc5fa0 R15: 00007ffc6441edc8 [ 69.260614][ T4476] [ 69.270104][ T4481] FAULT_INJECTION: forcing a failure. [ 69.270104][ T4481] name failslab, interval 1, probability 100, space 0, times 0 [ 69.270135][ T4481] CPU: 0 UID: 0 PID: 4481 Comm: syz.4.349 Not tainted syzkaller #0 PREEMPT(lazy) [ 69.270204][ T4481] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 69.270218][ T4481] Call Trace: [ 69.270226][ T4481] [ 69.270235][ T4481] __dump_stack+0x1d/0x30 [ 69.270261][ T4481] dump_stack_lvl+0x95/0xd0 [ 69.270285][ T4481] dump_stack+0x15/0x1b [ 69.270331][ T4481] should_fail_ex+0x262/0x280 [ 69.270426][ T4481] ? shrinker_alloc+0x3b/0x6e0 [ 69.270452][ T4481] should_failslab+0x8c/0xb0 [ 69.270482][ T4481] __kmalloc_cache_noprof+0x7a/0x400 [ 69.270514][ T4481] ? shrinker_alloc+0x3b/0x6e0 [ 69.270579][ T4481] shrinker_alloc+0x3b/0x6e0 [ 69.270654][ T4481] ? __percpu_init_rwsem+0x24/0x90 [ 69.270688][ T4481] ? rcu_sync_init+0x32/0x40 [ 69.270829][ T4481] sget_fc+0x819/0xf70 [ 69.270853][ T4481] ? __pfx_set_anon_super_fc+0x10/0x10 [ 69.270882][ T4481] ? __kmalloc_cache_noprof+0x19b/0x400 [ 69.270923][ T4481] ? mqueue_init_fs_context+0x38/0x2c0 [ 69.270949][ T4481] ? __pfx_mqueue_fill_super+0x10/0x10 [ 69.270975][ T4481] get_tree_nodev+0x2a/0x100 [ 69.271058][ T4481] mqueue_get_tree+0x5d/0x80 [ 69.271083][ T4481] vfs_get_tree+0x57/0x1d0 [ 69.271154][ T4481] fc_mount_longterm+0x18/0xb0 [ 69.271182][ T4481] mq_init_ns+0x2db/0x370 [ 69.271223][ T4481] copy_ipcs+0x26d/0x460 [ 69.271248][ T4481] create_new_namespaces+0x121/0x420 [ 69.271345][ T4481] unshare_nsproxy_namespaces+0x115/0x150 [ 69.271379][ T4481] ksys_unshare+0x42b/0x710 [ 69.271407][ T4481] __x64_sys_unshare+0x1f/0x30 [ 69.271496][ T4481] x64_sys_call+0x1e33/0x2550 [ 69.271551][ T4481] do_syscall_64+0x112/0x360 [ 69.271574][ T4481] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 69.271625][ T4481] RIP: 0033:0x7f3d29ebe159 [ 69.271642][ T4481] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 69.271662][ T4481] RSP: 002b:00007f3d28917028 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 69.271685][ T4481] RAX: ffffffffffffffda RBX: 00007f3d2a145fa0 RCX: 00007f3d29ebe159 [ 69.271829][ T4481] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000006a040000 [ 69.271843][ T4481] RBP: 00007f3d29f5506b R08: 0000000000000000 R09: 0000000000000000 [ 69.271858][ T4481] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 69.271871][ T4481] R13: 00007f3d2a146038 R14: 00007f3d2a145fa0 R15: 00007ffe2a709b98 [ 69.271960][ T4481] [ 69.274826][ T4478] FAULT_INJECTION: forcing a failure. [ 69.274826][ T4478] name failslab, interval 1, probability 100, space 0, times 0 [ 69.274852][ T4478] CPU: 0 UID: 0 PID: 4478 Comm: syz.2.348 Not tainted syzkaller #0 PREEMPT(lazy) [ 69.274946][ T4478] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 69.274960][ T4478] Call Trace: [ 69.275017][ T4478] [ 69.275026][ T4478] __dump_stack+0x1d/0x30 [ 69.275050][ T4478] dump_stack_lvl+0x95/0xd0 [ 69.275074][ T4478] dump_stack+0x15/0x1b [ 69.275128][ T4478] should_fail_ex+0x262/0x280 [ 69.275152][ T4478] ? __memcg_list_lru_alloc+0x288/0x470 [ 69.275187][ T4478] should_failslab+0x8c/0xb0 [ 69.275216][ T4478] __kmalloc_noprof+0xd0/0x4d0 [ 69.275369][ T4478] ? __memcg_list_lru_alloc+0x288/0x470 [ 69.275404][ T4478] __memcg_list_lru_alloc+0x288/0x470 [ 69.275515][ T4478] memcg_list_lru_alloc+0x88/0xa0 [ 69.275549][ T4478] __memcg_slab_post_alloc_hook+0x23f/0x8d0 [ 69.275617][ T4478] ? __rcu_read_unlock+0x4e/0x70 [ 69.275647][ T4478] ? should_fail_ex+0xdb/0x280 [ 69.275672][ T4478] kmem_cache_alloc_lru_noprof+0x1f4/0x3f0 [ 69.275725][ T4478] ? mqueue_alloc_inode+0x34/0x50 [ 69.275749][ T4478] ? mqueue_alloc_inode+0x34/0x50 [ 69.275779][ T4478] ? __pfx_mqueue_fill_super+0x10/0x10 [ 69.275811][ T4478] ? __pfx_mqueue_alloc_inode+0x10/0x10 [ 69.275836][ T4478] mqueue_alloc_inode+0x34/0x50 [ 69.275911][ T4478] alloc_inode+0x40/0x170 [ 69.275980][ T4478] new_inode+0x1d/0xe0 [ 69.276047][ T4478] ? __pfx_mqueue_fill_super+0x10/0x10 [ 69.276073][ T4478] mqueue_fill_super+0x89/0x1d0 [ 69.276097][ T4478] ? __pfx_mqueue_fill_super+0x10/0x10 [ 69.276122][ T4478] get_tree_nodev+0x83/0x100 [ 69.276211][ T4478] mqueue_get_tree+0x5d/0x80 [ 69.276235][ T4478] vfs_get_tree+0x57/0x1d0 [ 69.276338][ T4478] fc_mount_longterm+0x18/0xb0 [ 69.276408][ T4478] mq_init_ns+0x2db/0x370 [ 69.276434][ T4478] copy_ipcs+0x26d/0x460 [ 69.276461][ T4478] create_new_namespaces+0x121/0x420 [ 69.276552][ T4478] unshare_nsproxy_namespaces+0x115/0x150 [ 69.276591][ T4478] ksys_unshare+0x42b/0x710 [ 69.276625][ T4478] __x64_sys_unshare+0x1f/0x30 [ 69.276663][ T4478] x64_sys_call+0x1e33/0x2550 [ 69.276694][ T4478] do_syscall_64+0x112/0x360 [ 69.276740][ T4127] ================================================================== [ 69.276770][ T4127] BUG: KCSAN: data-race in _prb_read_valid / prb_reserve [ 69.276804][ T4127] [ 69.276806][ T4478] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 69.276811][ T4127] write to 0xffffffff86edd9d8 of 88 bytes by task 4478 on cpu 0: [ 69.276836][ T4478] RIP: 0033:0x7f155b8ce159 [ 69.276833][ T4127] prb_reserve+0x6fb/0xaf0 [ 69.276856][ T4478] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 69.276863][ T4127] vprintk_store+0x54e/0x910 [ 69.276879][ T4478] RSP: 002b:00007f155a327028 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 69.276896][ T4127] vprintk_emit+0x1a4/0x610 [ 69.276905][ T4478] RAX: ffffffffffffffda RBX: 00007f155bb55fa0 RCX: 00007f155b8ce159 [ 69.276924][ T4127] vprintk_default+0x26/0x30 [ 69.276948][ T4127] vprintk+0x1d/0x30 [ 69.276966][ T4127] _printk+0x79/0xa0 [ 69.276970][ T4478] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000006a040000 [ 69.276988][ T4478] RBP: 00007f155b96506b R08: 0000000000000000 R09: 0000000000000000 [ 69.276986][ T4127] __show_trace_log_lvl+0x460/0x560 [ 69.277004][ T4478] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 69.277020][ T4478] R13: 00007f155bb56038 R14: 00007f155bb55fa0 R15: 00007ffdcec4b1f8 [ 69.277021][ T4127] __dump_stack+0x1d/0x30 [ 69.277044][ T4478] [ 69.277046][ T4127] dump_stack_lvl+0x95/0xd0 [ 69.277067][ T4127] dump_stack+0x15/0x1b [ 69.277085][ T4127] should_fail_ex+0x262/0x280 [ 69.277105][ T4127] should_failslab+0x8c/0xb0 [ 69.277131][ T4127] __kmalloc_noprof+0xd0/0x4d0 [ 69.277161][ T4127] __memcg_list_lru_alloc+0x288/0x470 [ 69.277194][ T4127] memcg_list_lru_alloc+0x88/0xa0 [ 69.277229][ T4127] __memcg_slab_post_alloc_hook+0x23f/0x8d0 [ 69.277257][ T4127] kmem_cache_alloc_lru_noprof+0x1f4/0x3f0 [ 69.277288][ T4127] mqueue_alloc_inode+0x34/0x50 [ 69.277320][ T4127] alloc_inode+0x40/0x170 [ 69.277336][ T4127] new_inode+0x1d/0xe0 [ 69.277357][ T4127] mqueue_fill_super+0x89/0x1d0 [ 69.277383][ T4127] get_tree_nodev+0x83/0x100 [ 69.277411][ T4127] mqueue_get_tree+0x5d/0x80 [ 69.277434][ T4127] vfs_get_tree+0x57/0x1d0 [ 69.277462][ T4127] fc_mount_longterm+0x18/0xb0 [ 69.277487][ T4127] mq_init_ns+0x2db/0x370 [ 69.277507][ T4127] copy_ipcs+0x26d/0x460 [ 69.277531][ T4127] create_new_namespaces+0x121/0x420 [ 69.277565][ T4127] unshare_nsproxy_namespaces+0x115/0x150 [ 69.277600][ T4127] ksys_unshare+0x42b/0x710 [ 69.277628][ T4127] __x64_sys_unshare+0x1f/0x30 [ 69.277656][ T4127] x64_sys_call+0x1e33/0x2550 [ 69.277684][ T4127] do_syscall_64+0x112/0x360 [ 69.277703][ T4127] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 69.277725][ T4127] [ 69.277732][ T4127] read to 0xffffffff86edd9d8 of 8 bytes by task 4127 on cpu 1: [ 69.277751][ T4127] _prb_read_valid+0x325/0x930 [ 69.277779][ T4127] prb_read_valid+0x3c/0x60 [ 69.277804][ T4127] printk_get_next_message+0xea/0x550 [ 69.277839][ T4127] nbcon_emit_next_record+0x4af/0x1bc0 [ 69.277866][ T4127] nbcon_kthread_func+0x3fd/0x690 [ 69.277891][ T4127] kthread+0x223/0x270 [ 69.277912][ T4127] ret_from_fork+0x146/0x330 [ 69.277944][ T4127] ret_from_fork_asm+0x1a/0x30 [ 69.277971][ T4127] [ 69.277976][ T4127] value changed: 0x0000000000002d51 -> 0x0000000000004d51 [ 69.277989][ T4127] [ 69.277994][ T4127] Reported by Kernel Concurrency Sanitizer on: [ 69.278006][ T4127] CPU: 1 UID: 0 PID: 4127 Comm: pr/ttyS0 Not tainted syzkaller #0 PREEMPT(lazy) [ 69.278033][ T4127] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 69.278046][ T4127] ================================================================== [ 69.325841][ T4476] FAULT_INJECTION: forcing a failure. [ 69.325841][ T4476] name failslab, interval 1, probability 100, space 0, times 0 [ 69.325939][ T4476] CPU: 0 UID: 0 PID: 4476 Comm: syz.1.347 Not tainted syzkaller #0 PREEMPT(lazy) [ 69.325965][ T4476] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 69.326042][ T4476] Call Trace: [ 69.326049][ T4476] [ 69.326111][ T4476] __dump_stack+0x1d/0x30 [ 69.326138][ T4476] dump_stack_lvl+0x95/0xd0 [ 69.326195][ T4476] dump_stack+0x15/0x1b [ 69.326222][ T4476] should_fail_ex+0x262/0x280 [ 69.326297][ T4476] ? __memcg_list_lru_alloc+0x288/0x470 [ 69.326332][ T4476] should_failslab+0x8c/0xb0 [ 69.326365][ T4476] __kmalloc_noprof+0xd0/0x4d0 [ 69.326397][ T4476] ? __memcg_list_lru_alloc+0x288/0x470 [ 69.326505][ T4476] __memcg_list_lru_alloc+0x288/0x470 [ 69.326543][ T4476] memcg_list_lru_alloc+0x88/0xa0 [ 69.326623][ T4476] __memcg_slab_post_alloc_hook+0x23f/0x8d0 [ 69.326651][ T4476] ? __rcu_read_unlock+0x4e/0x70 [ 69.326684][ T4476] ? should_fail_ex+0xdb/0x280 [ 69.326710][ T4476] kmem_cache_alloc_lru_noprof+0x1f4/0x3f0 [ 69.326845][ T4476] ? mqueue_alloc_inode+0x34/0x50 [ 69.326939][ T4476] ? mqueue_alloc_inode+0x34/0x50 [ 69.326964][ T4476] ? __pfx_mqueue_fill_super+0x10/0x10 [ 69.327063][ T4476] ? __pfx_mqueue_alloc_inode+0x10/0x10 [ 69.327087][ T4476] mqueue_alloc_inode+0x34/0x50 [ 69.327112][ T4476] alloc_inode+0x40/0x170 [ 69.327134][ T4476] new_inode+0x1d/0xe0 [ 69.327156][ T4476] ? __pfx_mqueue_fill_super+0x10/0x10 [ 69.327253][ T4476] mqueue_fill_super+0x89/0x1d0 [ 69.327277][ T4476] ? __pfx_mqueue_fill_super+0x10/0x10 [ 69.327303][ T4476] get_tree_nodev+0x83/0x100 [ 69.327331][ T4476] mqueue_get_tree+0x5d/0x80 [ 69.327370][ T4476] vfs_get_tree+0x57/0x1d0 [ 69.327399][ T4476] fc_mount_longterm+0x18/0xb0 [ 69.327494][ T4476] mq_init_ns+0x2db/0x370 [ 69.327517][ T4476] copy_ipcs+0x26d/0x460 [ 69.327542][ T4476] create_new_namespaces+0x121/0x420 [ 69.327585][ T4476] unshare_nsproxy_namespaces+0x115/0x150 [ 69.327666][ T4476] ksys_unshare+0x42b/0x710 [ 69.327733][ T4476] __x64_sys_unshare+0x1f/0x30 [ 69.327760][ T4476] x64_sys_call+0x1e33/0x2550 [ 69.327786][ T4476] do_syscall_64+0x112/0x360 [ 69.327816][ T4476] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 69.327900][ T4476] RIP: 0033:0x7f5455d3e159 [ 69.327918][ T4476] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 69.327938][ T4476] RSP: 002b:00007f5454797028 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 69.327961][ T4476] RAX: ffffffffffffffda RBX: 00007f5455fc5fa0 RCX: 00007f5455d3e159 [ 69.327976][ T4476] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000006a040000 [ 69.328056][ T4476] RBP: 00007f5455dd506b R08: 0000000000000000 R09: 0000000000000000 [ 69.328070][ T4476] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 69.328084][ T4476] R13: 00007f5455fc6038 R14: 00007f5455fc5fa0 R15: 00007ffc6441edc8 [ 69.328236][ T4476] [ 69.346962][ T4481] wg1 speed is unknown, defaulting to 1000 [ 69.360871][ T4481] FAULT_INJECTION: forcing a failure. [ 69.360871][ T4481] name failslab, interval 1, probability 100, space 0, times 0 [ 69.360904][ T4481] CPU: 0 UID: 0 PID: 4481 Comm: syz.4.349 Not tainted syzkaller #0 PREEMPT(lazy) [ 69.360930][ T4481] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 69.360963][ T4481] Call Trace: [ 69.360971][ T4481] [ 69.360980][ T4481] __dump_stack+0x1d/0x30 [ 69.361012][ T4481] dump_stack_lvl+0x95/0xd0 [ 69.361102][ T4481] dump_stack+0x15/0x1b [ 69.361124][ T4481] should_fail_ex+0x262/0x280 [ 69.361151][ T4481] ? __kernfs_new_node+0x70/0x440 [ 69.361172][ T4481] should_failslab+0x8c/0xb0 [ 69.361220][ T4481] kmem_cache_alloc_noprof+0x7c/0x3f0 [ 69.361249][ T4481] ? __kernfs_new_node+0x70/0x440 [ 69.361271][ T4481] __kernfs_new_node+0x70/0x440 [ 69.361337][ T4481] ? rb_insert_color+0x6e/0x2a0 [ 69.361391][ T4481] ? __rcu_read_unlock+0x4e/0x70 [ 69.361421][ T4481] ? __rcu_read_unlock+0x4e/0x70 [ 69.361450][ T4481] ? kernfs_activate_one+0x10c/0x140 [ 69.361473][ T4481] ? __rcu_read_unlock+0x4e/0x70 [ 69.361581][ T4481] ? up_write+0x19/0x60 [ 69.361612][ T4481] kernfs_new_node+0xcf/0xf0 [ 69.361685][ T4481] __kernfs_create_file+0x4b/0x180 [ 69.361710][ T4481] ? __pfx_dev_attr_show+0x10/0x10 [ 69.361741][ T4481] ? __pfx_dev_attr_store+0x10/0x10 [ 69.361871][ T4481] sysfs_add_file_mode_ns+0x132/0x1b0 [ 69.361930][ T4481] internal_create_group+0x43e/0x9e0 [ 69.361963][ T4481] ? kernfs_add_one+0x2cf/0x350 [ 69.361984][ T4481] sysfs_create_groups+0x3f/0xf0 [ 69.362016][ T4481] device_add_attrs+0x64/0x3f0 [ 69.362142][ T4481] ? kobject_put+0x108/0x180 [ 69.362169][ T4481] device_add+0x37a/0x790 [ 69.362192][ T4481] netdev_register_kobject+0x127/0x240 [ 69.362216][ T4481] register_netdevice+0xaf7/0x11a0 [ 69.362323][ T4481] __ip_tunnel_create+0x31d/0x420 [ 69.362346][ T4481] ? mutex_lock+0x57/0x90 [ 69.362411][ T4481] ip_tunnel_init_net+0x208/0x490 [ 69.362432][ T4481] ? should_failslab+0x8c/0xb0 [ 69.362464][ T4481] ipgre_init_net+0x30/0x40 [ 69.362532][ T4481] ops_init+0x22a/0x2e0 [ 69.362562][ T4481] setup_net+0x9f/0x230 [ 69.362589][ T4481] copy_net_ns+0x333/0x490 [ 69.362634][ T4481] create_new_namespaces+0x1f6/0x420 [ 69.362715][ T4481] unshare_nsproxy_namespaces+0x115/0x150 [ 69.362749][ T4481] ksys_unshare+0x42b/0x710 [ 69.362860][ T4481] __x64_sys_unshare+0x1f/0x30 [ 69.362886][ T4481] x64_sys_call+0x1e33/0x2550 [ 69.363043][ T4481] do_syscall_64+0x112/0x360 [ 69.363064][ T4481] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 69.363088][ T4481] RIP: 0033:0x7f3d29ebe159 [ 69.363105][ T4481] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 69.363125][ T4481] RSP: 002b:00007f3d28917028 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 69.363149][ T4481] RAX: ffffffffffffffda RBX: 00007f3d2a145fa0 RCX: 00007f3d29ebe159 [ 69.363205][ T4481] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000006a040000 [ 69.363222][ T4481] RBP: 00007f3d29f5506b R08: 0000000000000000 R09: 0000000000000000 [ 69.363238][ T4481] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 69.363254][ T4481] R13: 00007f3d2a146038 R14: 00007f3d2a145fa0 R15: 00007ffe2a709b98 [ 69.363279][ T4481] [ 69.383318][ T4478] FAULT_INJECTION: forcing a failure. [ 69.383318][ T4478] name failslab, interval 1, probability 100, space 0, times 0 [ 69.383349][ T4478] CPU: 0 UID: 0 PID: 4478 Comm: syz.2.348 Not tainted syzkaller #0 PREEMPT(lazy) [ 69.383376][ T4478] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 69.383406][ T4478] Call Trace: [ 69.383413][ T4478] [ 69.383444][ T4478] __dump_stack+0x1d/0x30 [ 69.383470][ T4478] dump_stack_lvl+0x95/0xd0 [ 69.383547][ T4478] dump_stack+0x15/0x1b [ 69.383568][ T4478] should_fail_ex+0x262/0x280 [ 69.383621][ T4478] should_failslab+0x8c/0xb0 [ 69.383651][ T4478] __kmalloc_node_track_caller_noprof+0xd6/0x500 [ 69.383681][ T4478] ? should_failslab+0x8c/0xb0 [ 69.383708][ T4478] ? ipv6_route_sysctl_init+0x29/0x170 [ 69.383740][ T4478] ? ipv6_route_sysctl_init+0x29/0x170 [ 69.383843][ T4478] ? ipv6_sysctl_net_init+0x2d/0x3d0 [ 69.383875][ T4478] kmemdup_noprof+0x2b/0x70 [ 69.383899][ T4478] ipv6_route_sysctl_init+0x29/0x170 [ 69.383975][ T4478] ipv6_sysctl_net_init+0x277/0x3d0 [ 69.384059][ T4478] ops_init+0x22a/0x2e0 [ 69.384089][ T4478] setup_net+0x9f/0x230 [ 69.384142][ T4478] copy_net_ns+0x333/0x490 [ 69.384169][ T4478] create_new_namespaces+0x1f6/0x420 [ 69.384286][ T4478] unshare_nsproxy_namespaces+0x115/0x150 [ 69.384347][ T4478] ksys_unshare+0x42b/0x710 [ 69.384376][ T4478] __x64_sys_unshare+0x1f/0x30 [ 69.384402][ T4478] x64_sys_call+0x1e33/0x2550 [ 69.384446][ T4478] do_syscall_64+0x112/0x360 [ 69.384466][ T4478] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 69.384488][ T4478] RIP: 0033:0x7f155b8ce159 [ 69.384505][ T4478] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 69.384523][ T4478] RSP: 002b:00007f155a327028 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 69.384545][ T4478] RAX: ffffffffffffffda RBX: 00007f155bb55fa0 RCX: 00007f155b8ce159 [ 69.384584][ T4478] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000006a040000 [ 69.384660][ T4478] RBP: 00007f155b96506b R08: 0000000000000000 R09: 0000000000000000 [ 69.384675][ T4478] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 69.384688][ T4478] R13: 00007f155bb56038 R14: 00007f155bb55fa0 R15: 00007ffdcec4b1f8 [ 69.384708][ T4478] [ 69.412203][ T4476] FAULT_INJECTION: forcing a failure. [ 69.412203][ T4476] name failslab, interval 1, probability 100, space 0, times 0 [ 69.412235][ T4476] CPU: 0 UID: 0 PID: 4476 Comm: syz.1.347 Not tainted syzkaller #0 PREEMPT(lazy) [ 69.412317][ T4476] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 69.412331][ T4476] Call Trace: [ 69.412338][ T4476] [ 69.412399][ T4476] __dump_stack+0x1d/0x30 [ 69.412428][ T4476] dump_stack_lvl+0x95/0xd0 [ 69.412516][ T4476] dump_stack+0x15/0x1b [ 69.412586][ T4476] should_fail_ex+0x262/0x280 [ 69.412616][ T4476] should_failslab+0x8c/0xb0 [ 69.412647][ T4476] __kvmalloc_node_noprof+0x168/0x5c0 [ 69.412710][ T4476] ? __rhashtable_init_noprof+0x320/0x490 [ 69.412736][ T4476] ? __rhashtable_init_noprof+0x320/0x490 [ 69.412765][ T4476] __rhashtable_init_noprof+0x320/0x490 [ 69.412810][ T4476] ioam6_net_init+0x76/0x110 [ 69.412841][ T4476] ops_init+0x22a/0x2e0 [ 69.412872][ T4476] setup_net+0x9f/0x230 [ 69.412899][ T4476] copy_net_ns+0x333/0x490 [ 69.412951][ T4476] create_new_namespaces+0x1f6/0x420 [ 69.412984][ T4476] unshare_nsproxy_namespaces+0x115/0x150 [ 69.413017][ T4476] ksys_unshare+0x42b/0x710 [ 69.413117][ T4476] __x64_sys_unshare+0x1f/0x30 [ 69.413144][ T4476] x64_sys_call+0x1e33/0x2550 [ 69.413223][ T4476] do_syscall_64+0x112/0x360 [ 69.413245][ T4476] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 69.413320][ T4476] RIP: 0033:0x7f5455d3e159 [ 69.413338][ T4476] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 69.413421][ T4476] RSP: 002b:00007f5454797028 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 69.413444][ T4476] RAX: ffffffffffffffda RBX: 00007f5455fc5fa0 RCX: 00007f5455d3e159 [ 69.413459][ T4476] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000006a040000 [ 69.413473][ T4476] RBP: 00007f5455dd506b R08: 0000000000000000 R09: 0000000000000000 [ 69.413488][ T4476] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 69.413501][ T4476] R13: 00007f5455fc6038 R14: 00007f5455fc5fa0 R15: 00007ffc6441edc8 [ 69.413536][ T4476] [ 69.441648][ T4481] FAULT_INJECTION: forcing a failure. [ 69.441648][ T4481] name failslab, interval 1, probability 100, space 0, times 0 [ 69.441689][ T4481] CPU: 0 UID: 0 PID: 4481 Comm: syz.4.349 Not tainted syzkaller #0 PREEMPT(lazy) [ 69.441716][ T4481] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 69.441729][ T4481] Call Trace: [ 69.441737][ T4481] [ 69.441758][ T4481] __dump_stack+0x1d/0x30 [ 69.441785][ T4481] dump_stack_lvl+0x95/0xd0 [ 69.441816][ T4481] dump_stack+0x15/0x1b [ 69.441838][ T4481] should_fail_ex+0x262/0x280 [ 69.441972][ T4481] ? __alloc_skb+0x2e0/0x6f0 [ 69.442120][ T4481] should_failslab+0x8c/0xb0 [ 69.442193][ T4481] kmem_cache_alloc_node_noprof+0x82/0x400 [ 69.442228][ T4481] ? __refill_obj_stock+0x314/0x3d0 [ 69.442253][ T4481] ? __alloc_skb+0x2e0/0x6f0 [ 69.442286][ T4481] __alloc_skb+0x2e0/0x6f0 [ 69.442324][ T4481] ? __alloc_skb+0x209/0x6f0 [ 69.442432][ T4481] inet6_netconf_notify_devconf+0x10f/0x1d0 [ 69.442458][ T4481] addrconf_ifdown+0xdfc/0xf70 [ 69.442503][ T4481] ? tls_dev_event+0x3d9/0x9a0 [ 69.442532][ T4481] addrconf_notify+0x214/0x8e0 [ 69.442560][ T4481] ? __pfx_addrconf_notify+0x10/0x10 [ 69.442631][ T4481] raw_notifier_call_chain+0x72/0x1a0 [ 69.442721][ T4481] unregister_netdevice_many_notify+0xe2a/0x1560 [ 69.442750][ T4481] default_device_exit_batch+0x408/0x460 [ 69.442784][ T4481] ? __pfx_default_device_exit_batch+0x10/0x10 [ 69.442826][ T4481] ops_undo_list+0x2ca/0x420 [ 69.442911][ T4481] setup_net+0x1f2/0x230 [ 69.442983][ T4481] copy_net_ns+0x333/0x490 [ 69.443010][ T4481] create_new_namespaces+0x1f6/0x420 [ 69.443083][ T4481] unshare_nsproxy_namespaces+0x115/0x150 [ 69.443117][ T4481] ksys_unshare+0x42b/0x710 [ 69.443146][ T4481] __x64_sys_unshare+0x1f/0x30 [ 69.443234][ T4481] x64_sys_call+0x1e33/0x2550 [ 69.443261][ T4481] do_syscall_64+0x112/0x360 [ 69.443282][ T4481] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 69.443305][ T4481] RIP: 0033:0x7f3d29ebe159 [ 69.443324][ T4481] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 69.443363][ T4481] RSP: 002b:00007f3d28917028 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 69.443446][ T4481] RAX: ffffffffffffffda RBX: 00007f3d2a145fa0 RCX: 00007f3d29ebe159 [ 69.443462][ T4481] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000006a040000 [ 69.443540][ T4481] RBP: 00007f3d29f5506b R08: 0000000000000000 R09: 0000000000000000 [ 69.443555][ T4481] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 69.443590][ T4481] R13: 00007f3d2a146038 R14: 00007f3d2a145fa0 R15: 00007ffe2a709b98 [ 69.443611][ T4481] [ 69.521959][ T4490] wg1 speed is unknown, defaulting to 1000 [ 69.544390][ T4476] wg1 speed is unknown, defaulting to 1000 [ 69.565589][ T4488] wg1 speed is unknown, defaulting to 1000 [ 69.632072][ T4493] wg1 speed is unknown, defaulting to 1000 [ 69.799165][ T4509] FAULT_INJECTION: forcing a failure. [ 69.799165][ T4509] name failslab, interval 1, probability 100, space 0, times 0 [ 69.799197][ T4509] CPU: 0 UID: 0 PID: 4509 Comm: syz.0.360 Not tainted syzkaller #0 PREEMPT(lazy) [ 69.799223][ T4509] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 69.799237][ T4509] Call Trace: [ 69.799245][ T4509] [ 69.799304][ T4509] __dump_stack+0x1d/0x30 [ 69.799363][ T4509] dump_stack_lvl+0x95/0xd0 [ 69.799387][ T4509] dump_stack+0x15/0x1b [ 69.799423][ T4509] should_fail_ex+0x262/0x280 [ 69.799450][ T4509] ? sget_fc+0x4ad/0xf70 [ 69.799476][ T4509] should_failslab+0x8c/0xb0 [ 69.799519][ T4509] __kmalloc_cache_noprof+0x7a/0x400 [ 69.799551][ T4509] ? sget_fc+0x4ad/0xf70 [ 69.799576][ T4509] sget_fc+0x4ad/0xf70 [ 69.799601][ T4509] ? __pfx_set_anon_super_fc+0x10/0x10 [ 69.799640][ T4509] ? __kmalloc_cache_noprof+0x19b/0x400 [ 69.799671][ T4509] ? mqueue_init_fs_context+0x38/0x2c0 [ 69.799738][ T4509] ? __pfx_mqueue_fill_super+0x10/0x10 [ 69.799764][ T4509] get_tree_nodev+0x2a/0x100 [ 69.799792][ T4509] mqueue_get_tree+0x5d/0x80 [ 69.799855][ T4509] vfs_get_tree+0x57/0x1d0 [ 69.799885][ T4509] fc_mount_longterm+0x18/0xb0 [ 69.799958][ T4509] mq_init_ns+0x2db/0x370 [ 69.799981][ T4509] copy_ipcs+0x26d/0x460 [ 69.800006][ T4509] create_new_namespaces+0x121/0x420 [ 69.800057][ T4509] unshare_nsproxy_namespaces+0x115/0x150 [ 69.800139][ T4509] ksys_unshare+0x42b/0x710 [ 69.800168][ T4509] __x64_sys_unshare+0x1f/0x30 [ 69.800271][ T4509] x64_sys_call+0x1e33/0x2550 [ 69.800297][ T4509] do_syscall_64+0x112/0x360 [ 69.800362][ T4509] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 69.800427][ T4509] RIP: 0033:0x7fda8bc3e159 [ 69.800444][ T4509] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 69.800464][ T4509] RSP: 002b:00007fda8a697028 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 69.800487][ T4509] RAX: ffffffffffffffda RBX: 00007fda8bec5fa0 RCX: 00007fda8bc3e159 [ 69.800503][ T4509] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000006a040000 [ 69.800517][ T4509] RBP: 00007fda8bcd506b R08: 0000000000000000 R09: 0000000000000000 [ 69.800555][ T4509] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 69.800573][ T4509] R13: 00007fda8bec6038 R14: 00007fda8bec5fa0 R15: 00007ffe0d636d38 [ 69.800593][ T4509] [ 69.821053][ T4509] FAULT_INJECTION: forcing a failure. [ 69.821053][ T4509] name failslab, interval 1, probability 100, space 0, times 0 [ 69.821085][ T4509] CPU: 0 UID: 0 PID: 4509 Comm: syz.0.360 Not tainted syzkaller #0 PREEMPT(lazy) [ 69.821165][ T4509] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 69.821179][ T4509] Call Trace: [ 69.821187][ T4509] [ 69.821196][ T4509] __dump_stack+0x1d/0x30 [ 69.821225][ T4509] dump_stack_lvl+0x95/0xd0 [ 69.821265][ T4509] dump_stack+0x15/0x1b [ 69.821287][ T4509] should_fail_ex+0x262/0x280 [ 69.821312][ T4509] ? sget_fc+0x4ad/0xf70 [ 69.821336][ T4509] should_failslab+0x8c/0xb0 [ 69.821367][ T4509] __kmalloc_cache_noprof+0x7a/0x400 [ 69.821445][ T4509] ? sget_fc+0x4ad/0xf70 [ 69.821470][ T4509] sget_fc+0x4ad/0xf70 [ 69.821494][ T4509] ? __pfx_set_anon_super_fc+0x10/0x10 [ 69.821600][ T4509] ? __kmalloc_cache_noprof+0x19b/0x400 [ 69.821689][ T4509] ? mqueue_init_fs_context+0x38/0x2c0 [ 69.821716][ T4509] ? __pfx_mqueue_fill_super+0x10/0x10 [ 69.821741][ T4509] get_tree_nodev+0x2a/0x100 [ 69.821809][ T4509] mqueue_get_tree+0x5d/0x80 [ 69.821834][ T4509] vfs_get_tree+0x57/0x1d0 [ 69.821940][ T4509] fc_mount_longterm+0x18/0xb0 [ 69.821986][ T4509] mq_init_ns+0x2db/0x370 [ 69.822008][ T4509] copy_ipcs+0x26d/0x460 [ 69.822048][ T4509] create_new_namespaces+0x121/0x420 [ 69.822081][ T4509] unshare_nsproxy_namespaces+0x115/0x150 [ 69.822115][ T4509] ksys_unshare+0x42b/0x710 [ 69.822172][ T4509] __x64_sys_unshare+0x1f/0x30 [ 69.822258][ T4509] x64_sys_call+0x1e33/0x2550 [ 69.822293][ T4509] do_syscall_64+0x112/0x360 [ 69.822315][ T4509] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 69.822339][ T4509] RIP: 0033:0x7fda8bc3e159 [ 69.822411][ T4509] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 69.822431][ T4509] RSP: 002b:00007fda8a697028 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 69.822454][ T4509] RAX: ffffffffffffffda RBX: 00007fda8bec5fa0 RCX: 00007fda8bc3e159 [ 69.822470][ T4509] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000006a040000 [ 69.822484][ T4509] RBP: 00007fda8bcd506b R08: 0000000000000000 R09: 0000000000000000 [ 69.822499][ T4509] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 69.822533][ T4509] R13: 00007fda8bec6038 R14: 00007fda8bec5fa0 R15: 00007ffe0d636d38 [ 69.822554][ T4509] [ 69.845982][ T4509] FAULT_INJECTION: forcing a failure. [ 69.845982][ T4509] name failslab, interval 1, probability 100, space 0, times 0 [ 69.846019][ T4509] CPU: 0 UID: 0 PID: 4509 Comm: syz.0.360 Not tainted syzkaller #0 PREEMPT(lazy) [ 69.846102][ T4509] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 69.846116][ T4509] Call Trace: [ 69.846125][ T4509] [ 69.846134][ T4509] __dump_stack+0x1d/0x30 [ 69.846161][ T4509] dump_stack_lvl+0x95/0xd0 [ 69.846245][ T4509] dump_stack+0x15/0x1b [ 69.846268][ T4509] should_fail_ex+0x262/0x280 [ 69.846293][ T4509] ? security_sb_alloc+0x48/0x100 [ 69.846319][ T4509] should_failslab+0x8c/0xb0 [ 69.846463][ T4509] __kmalloc_noprof+0xd0/0x4d0 [ 69.846492][ T4509] ? should_failslab+0x8c/0xb0 [ 69.846520][ T4509] ? security_sb_alloc+0x48/0x100 [ 69.846546][ T4509] security_sb_alloc+0x48/0x100 [ 69.846634][ T4509] sget_fc+0x576/0xf70 [ 69.846659][ T4509] ? __pfx_set_anon_super_fc+0x10/0x10 [ 69.846688][ T4509] ? __kmalloc_cache_noprof+0x19b/0x400 [ 69.846787][ T4509] ? mqueue_init_fs_context+0x38/0x2c0 [ 69.846814][ T4509] ? __pfx_mqueue_fill_super+0x10/0x10 [ 69.846840][ T4509] get_tree_nodev+0x2a/0x100 [ 69.846868][ T4509] mqueue_get_tree+0x5d/0x80 [ 69.846936][ T4509] vfs_get_tree+0x57/0x1d0 [ 69.846965][ T4509] fc_mount_longterm+0x18/0xb0 [ 69.846993][ T4509] mq_init_ns+0x2db/0x370 [ 69.847017][ T4509] copy_ipcs+0x26d/0x460 [ 69.847042][ T4509] create_new_namespaces+0x121/0x420 [ 69.847145][ T4509] unshare_nsproxy_namespaces+0x115/0x150 [ 69.847178][ T4509] ksys_unshare+0x42b/0x710 [ 69.847285][ T4509] __x64_sys_unshare+0x1f/0x30 [ 69.847312][ T4509] x64_sys_call+0x1e33/0x2550 [ 69.847338][ T4509] do_syscall_64+0x112/0x360 [ 69.847361][ T4509] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 69.847461][ T4509] RIP: 0033:0x7fda8bc3e159 [ 69.847479][ T4509] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 69.847499][ T4509] RSP: 002b:00007fda8a697028 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 69.847525][ T4509] RAX: ffffffffffffffda RBX: 00007fda8bec5fa0 RCX: 00007fda8bc3e159 [ 69.847544][ T4509] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000006a040000 [ 69.847559][ T4509] RBP: 00007fda8bcd506b R08: 0000000000000000 R09: 0000000000000000 [ 69.847590][ T4509] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 69.847604][ T4509] R13: 00007fda8bec6038 R14: 00007fda8bec5fa0 R15: 00007ffe0d636d38 [ 69.847647][ T4509] [ 69.862601][ T4509] FAULT_INJECTION: forcing a failure. [ 69.862601][ T4509] name failslab, interval 1, probability 100, space 0, times 0 [ 69.862643][ T4509] CPU: 0 UID: 0 PID: 4509 Comm: syz.0.360 Not tainted syzkaller #0 PREEMPT(lazy) [ 69.862670][ T4509] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 69.862759][ T4509] Call Trace: [ 69.862768][ T4509] [ 69.862778][ T4509] __dump_stack+0x1d/0x30 [ 69.862855][ T4509] dump_stack_lvl+0x95/0xd0 [ 69.862879][ T4509] dump_stack+0x15/0x1b [ 69.862901][ T4509] should_fail_ex+0x262/0x280 [ 69.862935][ T4509] ? __list_lru_init+0x72/0x2f0 [ 69.862969][ T4509] should_failslab+0x8c/0xb0 [ 69.863011][ T4509] __kmalloc_noprof+0xd0/0x4d0 [ 69.863102][ T4509] ? __list_lru_init+0x72/0x2f0 [ 69.863136][ T4509] __list_lru_init+0x72/0x2f0 [ 69.863169][ T4509] sget_fc+0x8cf/0xf70 [ 69.863246][ T4509] ? __pfx_set_anon_super_fc+0x10/0x10 [ 69.863275][ T4509] ? __kmalloc_cache_noprof+0x19b/0x400 [ 69.863364][ T4509] ? mqueue_init_fs_context+0x38/0x2c0 [ 69.863456][ T4509] ? __pfx_mqueue_fill_super+0x10/0x10 [ 69.863479][ T4509] get_tree_nodev+0x2a/0x100 [ 69.863543][ T4509] mqueue_get_tree+0x5d/0x80 [ 69.863567][ T4509] vfs_get_tree+0x57/0x1d0 [ 69.863608][ T4509] fc_mount_longterm+0x18/0xb0 [ 69.863702][ T4509] mq_init_ns+0x2db/0x370 [ 69.863725][ T4509] copy_ipcs+0x26d/0x460 [ 69.863758][ T4509] create_new_namespaces+0x121/0x420 [ 69.863792][ T4509] unshare_nsproxy_namespaces+0x115/0x150 [ 69.863903][ T4509] ksys_unshare+0x42b/0x710 [ 69.863939][ T4509] __x64_sys_unshare+0x1f/0x30 [ 69.863967][ T4509] x64_sys_call+0x1e33/0x2550 [ 69.864012][ T4509] do_syscall_64+0x112/0x360 [ 69.864035][ T4509] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 69.864059][ T4509] RIP: 0033:0x7fda8bc3e159 [ 69.864150][ T4509] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 69.864250][ T4509] RSP: 002b:00007fda8a697028 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 69.864276][ T4509] RAX: ffffffffffffffda RBX: 00007fda8bec5fa0 RCX: 00007fda8bc3e159 [ 69.864293][ T4509] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000006a040000 [ 69.864310][ T4509] RBP: 00007fda8bcd506b R08: 0000000000000000 R09: 0000000000000000 [ 69.864327][ T4509] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 69.864363][ T4509] R13: 00007fda8bec6038 R14: 00007fda8bec5fa0 R15: 00007ffe0d636d38 [ 69.864383][ T4509] [ 69.866019][ T4494] wg1 speed is unknown, defaulting to 1000 [ 69.888687][ T4509] FAULT_INJECTION: forcing a failure. [ 69.888687][ T4509] name failslab, interval 1, probability 100, space 0, times 0 [ 69.888799][ T4509] CPU: 0 UID: 0 PID: 4509 Comm: syz.0.360 Not tainted syzkaller #0 PREEMPT(lazy) [ 69.888826][ T4509] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 69.888840][ T4509] Call Trace: [ 69.888851][ T4509] [ 69.888860][ T4509] __dump_stack+0x1d/0x30 [ 69.888940][ T4509] dump_stack_lvl+0x95/0xd0 [ 69.888964][ T4509] dump_stack+0x15/0x1b [ 69.889101][ T4509] should_fail_ex+0x262/0x280 [ 69.889126][ T4509] ? __list_lru_init+0x72/0x2f0 [ 69.889159][ T4509] should_failslab+0x8c/0xb0 [ 69.889190][ T4509] __kmalloc_noprof+0xd0/0x4d0 [ 69.889243][ T4509] ? __list_lru_init+0x72/0x2f0 [ 69.889277][ T4509] __list_lru_init+0x72/0x2f0 [ 69.889314][ T4509] sget_fc+0x905/0xf70 [ 69.889338][ T4509] ? __pfx_set_anon_super_fc+0x10/0x10 [ 69.889368][ T4509] ? __kmalloc_cache_noprof+0x19b/0x400 [ 69.889418][ T4509] ? mqueue_init_fs_context+0x38/0x2c0 [ 69.889446][ T4509] ? __pfx_mqueue_fill_super+0x10/0x10 [ 69.889473][ T4509] get_tree_nodev+0x2a/0x100 [ 69.889501][ T4509] mqueue_get_tree+0x5d/0x80 [ 69.889558][ T4509] vfs_get_tree+0x57/0x1d0 [ 69.889586][ T4509] fc_mount_longterm+0x18/0xb0 [ 69.889678][ T4509] mq_init_ns+0x2db/0x370 [ 69.889700][ T4509] copy_ipcs+0x26d/0x460 [ 69.889769][ T4509] create_new_namespaces+0x121/0x420 [ 69.889803][ T4509] unshare_nsproxy_namespaces+0x115/0x150 [ 69.889837][ T4509] ksys_unshare+0x42b/0x710 [ 69.889876][ T4509] __x64_sys_unshare+0x1f/0x30 [ 69.889903][ T4509] x64_sys_call+0x1e33/0x2550 [ 69.889960][ T4509] do_syscall_64+0x112/0x360 [ 69.889989][ T4509] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 69.890050][ T4509] RIP: 0033:0x7fda8bc3e159 [ 69.890070][ T4509] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 69.890089][ T4509] RSP: 002b:00007fda8a697028 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 69.890114][ T4509] RAX: ffffffffffffffda RBX: 00007fda8bec5fa0 RCX: 00007fda8bc3e159 [ 69.890131][ T4509] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000006a040000 [ 69.890197][ T4509] RBP: 00007fda8bcd506b R08: 0000000000000000 R09: 0000000000000000 [ 69.890227][ T4509] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 69.890241][ T4509] R13: 00007fda8bec6038 R14: 00007fda8bec5fa0 R15: 00007ffe0d636d38 [ 69.890262][ T4509] [ 69.908843][ T4509] FAULT_INJECTION: forcing a failure. [ 69.908843][ T4509] name failslab, interval 1, probability 100, space 0, times 0 [ 69.908900][ T4509] CPU: 0 UID: 0 PID: 4509 Comm: syz.0.360 Not tainted syzkaller #0 PREEMPT(lazy) [ 69.908984][ T4509] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 69.908998][ T4509] Call Trace: [ 69.909005][ T4509] [ 69.909014][ T4509] __dump_stack+0x1d/0x30 [ 69.909041][ T4509] dump_stack_lvl+0x95/0xd0 [ 69.909065][ T4509] dump_stack+0x15/0x1b [ 69.909136][ T4509] should_fail_ex+0x262/0x280 [ 69.909198][ T4509] ? sget_fc+0x93a/0xf70 [ 69.909221][ T4509] should_failslab+0x8c/0xb0 [ 69.909325][ T4509] __kmalloc_cache_noprof+0x7a/0x400 [ 69.909357][ T4509] ? mutex_unlock+0x4e/0x90 [ 69.909384][ T4509] ? sget_fc+0x93a/0xf70 [ 69.909410][ T4509] sget_fc+0x93a/0xf70 [ 69.909482][ T4509] ? __pfx_set_anon_super_fc+0x10/0x10 [ 69.909517][ T4509] ? __kmalloc_cache_noprof+0x19b/0x400 [ 69.909550][ T4509] ? mqueue_init_fs_context+0x38/0x2c0 [ 69.909652][ T4509] ? __pfx_mqueue_fill_super+0x10/0x10 [ 69.909678][ T4509] get_tree_nodev+0x2a/0x100 [ 69.909739][ T4509] mqueue_get_tree+0x5d/0x80 [ 69.909765][ T4509] vfs_get_tree+0x57/0x1d0 [ 69.909931][ T4509] fc_mount_longterm+0x18/0xb0 [ 69.909960][ T4509] mq_init_ns+0x2db/0x370 [ 69.909984][ T4509] copy_ipcs+0x26d/0x460 [ 69.910008][ T4509] create_new_namespaces+0x121/0x420 [ 69.910054][ T4509] unshare_nsproxy_namespaces+0x115/0x150 [ 69.910088][ T4509] ksys_unshare+0x42b/0x710 [ 69.910117][ T4509] __x64_sys_unshare+0x1f/0x30 [ 69.910208][ T4509] x64_sys_call+0x1e33/0x2550 [ 69.910255][ T4509] do_syscall_64+0x112/0x360 [ 69.910277][ T4509] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 69.910377][ T4509] RIP: 0033:0x7fda8bc3e159 [ 69.910395][ T4509] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 69.910414][ T4509] RSP: 002b:00007fda8a697028 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 69.910437][ T4509] RAX: ffffffffffffffda RBX: 00007fda8bec5fa0 RCX: 00007fda8bc3e159 [ 69.910453][ T4509] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000006a040000 [ 69.910517][ T4509] RBP: 00007fda8bcd506b R08: 0000000000000000 R09: 0000000000000000 [ 69.910531][ T4509] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 69.910545][ T4509] R13: 00007fda8bec6038 R14: 00007fda8bec5fa0 R15: 00007ffe0d636d38 [ 69.910605][ T4509] [ 69.933998][ T4481] FAULT_INJECTION: forcing a failure. [ 69.933998][ T4481] name failslab, interval 1, probability 100, space 0, times 0 [ 69.934029][ T4481] CPU: 0 UID: 0 PID: 4481 Comm: syz.4.349 Not tainted syzkaller #0 PREEMPT(lazy) [ 69.934103][ T4481] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 69.934163][ T4481] Call Trace: [ 69.934171][ T4481] [ 69.934180][ T4481] __dump_stack+0x1d/0x30 [ 69.934208][ T4481] dump_stack_lvl+0x95/0xd0 [ 69.934308][ T4481] dump_stack+0x15/0x1b [ 69.934372][ T4481] should_fail_ex+0x262/0x280 [ 69.934399][ T4481] ? __register_sysctl_table+0x52/0xbe0 [ 69.934422][ T4481] should_failslab+0x8c/0xb0 [ 69.934453][ T4481] __kmalloc_noprof+0xd0/0x4d0 [ 69.934539][ T4481] ? __register_sysctl_table+0x52/0xbe0 [ 69.934561][ T4481] ? vsnprintf+0x857/0x8c0 [ 69.934588][ T4481] __register_sysctl_table+0x52/0xbe0 [ 69.934636][ T4481] register_net_sysctl_sz+0x118/0x190 [ 69.934665][ T4481] __devinet_sysctl_register+0x1c6/0x250 [ 69.934708][ T4481] ? devinet_init_net+0xb5/0x550 [ 69.934734][ T4481] devinet_init_net+0x29c/0x550 [ 69.934755][ T4481] ops_init+0x22a/0x2e0 [ 69.934785][ T4481] setup_net+0x9f/0x230 [ 69.934848][ T4481] copy_net_ns+0x333/0x490 [ 69.934876][ T4481] create_new_namespaces+0x1f6/0x420 [ 69.934944][ T4481] unshare_nsproxy_namespaces+0x115/0x150 [ 69.934979][ T4481] ksys_unshare+0x42b/0x710 [ 69.935087][ T4481] __x64_sys_unshare+0x1f/0x30 [ 69.935114][ T4481] x64_sys_call+0x1e33/0x2550 [ 69.935141][ T4481] do_syscall_64+0x112/0x360 [ 69.935239][ T4481] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 69.935263][ T4481] RIP: 0033:0x7f3d29ebe159 [ 69.935281][ T4481] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 69.935301][ T4481] RSP: 002b:00007f3d28917028 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 69.935323][ T4481] RAX: ffffffffffffffda RBX: 00007f3d2a145fa0 RCX: 00007f3d29ebe159 [ 69.935381][ T4481] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000006a040000 [ 69.935396][ T4481] RBP: 00007f3d29f5506b R08: 0000000000000000 R09: 0000000000000000 [ 69.935410][ T4481] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 69.935424][ T4481] R13: 00007f3d2a146038 R14: 00007f3d2a145fa0 R15: 00007ffe2a709b98 [ 69.935444][ T4481] [ 70.009844][ T4496] wg1 speed is unknown, defaulting to 1000 [ 70.148583][ T4498] wg1 speed is unknown, defaulting to 1000 [ 70.248595][ T4510] wg1 speed is unknown, defaulting to 1000 [ 70.280868][ T4504] wg1 speed is unknown, defaulting to 1000 [ 70.352976][ T4507] wg1 speed is unknown, defaulting to 1000 [ 70.406008][ T4513] wg1 speed is unknown, defaulting to 1000 [ 70.480562][ T4512] wg1 speed is unknown, defaulting to 1000 [ 70.543704][ T4509] wg1 speed is unknown, defaulting to 1000 [ 70.561595][ T4511] wg1 speed is unknown, defaulting to 1000 [ 70.647838][ T4515] wg1 speed is unknown, defaulting to 1000 [ 70.749609][ T4516] wg1 speed is unknown, defaulting to 1000 [ 70.764914][ T4522] FAULT_INJECTION: forcing a failure. [ 70.764914][ T4522] name failslab, interval 1, probability 100, space 0, times 0 [ 70.778828][ T4522] CPU: 0 UID: 0 PID: 4522 Comm: syz.2.361 Not tainted syzkaller #0 PREEMPT(lazy) [ 70.778889][ T4522] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 70.778903][ T4522] Call Trace: [ 70.778911][ T4522] [ 70.778920][ T4522] __dump_stack+0x1d/0x30 [ 70.778947][ T4522] dump_stack_lvl+0x95/0xd0 [ 70.778971][ T4522] dump_stack+0x15/0x1b [ 70.779070][ T4522] should_fail_ex+0x262/0x280 [ 70.779164][ T4522] should_failslab+0x8c/0xb0 [ 70.779194][ T4522] __kvmalloc_node_noprof+0x168/0x5c0 [ 70.779281][ T4522] ? nf_hook_entries_grow+0x1cb/0x460 [ 70.779308][ T4522] ? nf_hook_entries_grow+0x1cb/0x460 [ 70.779330][ T4522] nf_hook_entries_grow+0x1cb/0x460 [ 70.779351][ T4522] ? rb_insert_color+0x6e/0x2a0 [ 70.779384][ T4522] __nf_register_net_hook+0x187/0x480 [ 70.779474][ T4522] nf_register_net_hook+0x88/0x130 [ 70.779495][ T4522] nf_register_net_hooks+0x44/0x150 [ 70.779612][ T4522] selinux_nf_register+0x21/0x30 [ 70.779637][ T4522] ops_init+0x22a/0x2e0 [ 70.779667][ T4522] setup_net+0x9f/0x230 [ 70.779704][ T4522] copy_net_ns+0x333/0x490 [ 70.779796][ T4522] create_new_namespaces+0x1f6/0x420 [ 70.779891][ T4522] unshare_nsproxy_namespaces+0x115/0x150 [ 70.779925][ T4522] ksys_unshare+0x42b/0x710 [ 70.780028][ T4522] __x64_sys_unshare+0x1f/0x30 [ 70.780055][ T4522] x64_sys_call+0x1e33/0x2550 [ 70.780135][ T4522] do_syscall_64+0x112/0x360 [ 70.780194][ T4522] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 70.780218][ T4522] RIP: 0033:0x7f155b8ce159 [ 70.780237][ T4522] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 70.780274][ T4522] RSP: 002b:00007f155a327028 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 70.780297][ T4522] RAX: ffffffffffffffda RBX: 00007f155bb55fa0 RCX: 00007f155b8ce159 [ 70.780313][ T4522] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000006a040000 [ 70.780328][ T4522] RBP: 00007f155b96506b R08: 0000000000000000 R09: 0000000000000000 [ 70.780342][ T4522] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 70.780356][ T4522] R13: 00007f155bb56038 R14: 00007f155bb55fa0 R15: 00007ffdcec4b1f8 [ 70.780377][ T4522] [ 70.796029][ T4524] bond0: option slaves: invalid value (-bond_slave_0) [ 70.809648][ T4524] bond0: (slave bond_slave_1): Releasing backup interface [ 70.832436][ T4514] wg1 speed is unknown, defaulting to 1000 [ 70.874895][ T4524] bond0: (slave dummy0): Error: Device is in use and cannot be enslaved [ 70.874920][ T4524] bond0: option slaves: unable to set because the bond device is up [ 70.998701][ T4520] wg1 speed is unknown, defaulting to 1000 [ 71.023224][ T4524] bond0: entered allmulticast mode [ 71.023353][ T4524] dummy0: entered allmulticast mode [ 71.062654][ T4517] wg1 speed is unknown, defaulting to 1000 [ 71.103780][ T4522] FAULT_INJECTION: forcing a failure. [ 71.103780][ T4522] name failslab, interval 1, probability 100, space 0, times 0 [ 71.103823][ T4522] CPU: 0 UID: 0 PID: 4522 Comm: syz.2.361 Not tainted syzkaller #0 PREEMPT(lazy) [ 71.103849][ T4522] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 71.103876][ T4522] Call Trace: [ 71.103883][ T4522] [ 71.103892][ T4522] __dump_stack+0x1d/0x30 [ 71.103919][ T4522] dump_stack_lvl+0x95/0xd0 [ 71.103995][ T4522] dump_stack+0x15/0x1b [ 71.104016][ T4522] should_fail_ex+0x262/0x280 [ 71.104042][ T4522] ? __list_lru_init+0x72/0x2f0 [ 71.104083][ T4522] should_failslab+0x8c/0xb0 [ 71.104114][ T4522] __kmalloc_noprof+0xd0/0x4d0 [ 71.104212][ T4522] ? __list_lru_init+0x72/0x2f0 [ 71.104246][ T4522] __list_lru_init+0x72/0x2f0 [ 71.104278][ T4522] sget_fc+0x905/0xf70 [ 71.104379][ T4522] ? __pfx_set_anon_super_fc+0x10/0x10 [ 71.104426][ T4522] ? __kmalloc_cache_noprof+0x19b/0x400 [ 71.104457][ T4522] ? mqueue_init_fs_context+0x38/0x2c0 [ 71.104483][ T4522] ? __pfx_mqueue_fill_super+0x10/0x10 [ 71.104594][ T4522] get_tree_nodev+0x2a/0x100 [ 71.104673][ T4522] mqueue_get_tree+0x5d/0x80 [ 71.104698][ T4522] vfs_get_tree+0x57/0x1d0 [ 71.104726][ T4522] fc_mount_longterm+0x18/0xb0 [ 71.104780][ T4522] mq_init_ns+0x2db/0x370 [ 71.104802][ T4522] copy_ipcs+0x26d/0x460 [ 71.104834][ T4522] create_new_namespaces+0x121/0x420 [ 71.104867][ T4522] unshare_nsproxy_namespaces+0x115/0x150 [ 71.104947][ T4522] ksys_unshare+0x42b/0x710 [ 71.105029][ T4522] __x64_sys_unshare+0x1f/0x30 [ 71.105057][ T4522] x64_sys_call+0x1e33/0x2550 [ 71.105083][ T4522] do_syscall_64+0x112/0x360 [ 71.105110][ T4522] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 71.105209][ T4522] RIP: 0033:0x7f155b8ce159 [ 71.105227][ T4522] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 71.105247][ T4522] RSP: 002b:00007f155a327028 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 71.105270][ T4522] RAX: ffffffffffffffda RBX: 00007f155bb55fa0 RCX: 00007f155b8ce159 [ 71.105351][ T4522] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000006a040000 [ 71.105366][ T4522] RBP: 00007f155b96506b R08: 0000000000000000 R09: 0000000000000000 [ 71.105451][ T4522] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 71.105465][ T4522] R13: 00007f155bb56038 R14: 00007f155bb55fa0 R15: 00007ffdcec4b1f8 [ 71.105486][ T4522] [ 71.120429][ T4522] FAULT_INJECTION: forcing a failure. [ 71.120429][ T4522] name failslab, interval 1, probability 100, space 0, times 0 [ 71.120487][ T4522] CPU: 0 UID: 0 PID: 4522 Comm: syz.2.361 Not tainted syzkaller #0 PREEMPT(lazy) [ 71.120580][ T4522] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 71.120674][ T4522] Call Trace: [ 71.120681][ T4522] [ 71.120690][ T4522] __dump_stack+0x1d/0x30 [ 71.120716][ T4522] dump_stack_lvl+0x95/0xd0 [ 71.120740][ T4522] dump_stack+0x15/0x1b [ 71.120761][ T4522] should_fail_ex+0x262/0x280 [ 71.120824][ T4522] ? sget_fc+0x93a/0xf70 [ 71.120862][ T4522] should_failslab+0x8c/0xb0 [ 71.120892][ T4522] __kmalloc_cache_noprof+0x7a/0x400 [ 71.120923][ T4522] ? mutex_unlock+0x4e/0x90 [ 71.120949][ T4522] ? sget_fc+0x93a/0xf70 [ 71.121049][ T4522] sget_fc+0x93a/0xf70 [ 71.121073][ T4522] ? __pfx_set_anon_super_fc+0x10/0x10 [ 71.121102][ T4522] ? __kmalloc_cache_noprof+0x19b/0x400 [ 71.121132][ T4522] ? mqueue_init_fs_context+0x38/0x2c0 [ 71.121200][ T4522] ? __pfx_mqueue_fill_super+0x10/0x10 [ 71.121226][ T4522] get_tree_nodev+0x2a/0x100 [ 71.121254][ T4522] mqueue_get_tree+0x5d/0x80 [ 71.121334][ T4522] vfs_get_tree+0x57/0x1d0 [ 71.121363][ T4522] fc_mount_longterm+0x18/0xb0 [ 71.121396][ T4522] mq_init_ns+0x2db/0x370 [ 71.121419][ T4522] copy_ipcs+0x26d/0x460 [ 71.121444][ T4522] create_new_namespaces+0x121/0x420 [ 71.121544][ T4522] unshare_nsproxy_namespaces+0x115/0x150 [ 71.121658][ T4522] ksys_unshare+0x42b/0x710 [ 71.121687][ T4522] __x64_sys_unshare+0x1f/0x30 [ 71.121719][ T4522] x64_sys_call+0x1e33/0x2550 [ 71.121796][ T4522] do_syscall_64+0x112/0x360 [ 71.121863][ T4522] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 71.121887][ T4522] RIP: 0033:0x7f155b8ce159 [ 71.121933][ T4522] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 71.121952][ T4522] RSP: 002b:00007f155a327028 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 71.121975][ T4522] RAX: ffffffffffffffda RBX: 00007f155bb55fa0 RCX: 00007f155b8ce159 [ 71.121991][ T4522] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000006a040000 [ 71.122006][ T4522] RBP: 00007f155b96506b R08: 0000000000000000 R09: 0000000000000000 [ 71.122046][ T4522] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 71.122060][ T4522] R13: 00007f155bb56038 R14: 00007f155bb55fa0 R15: 00007ffdcec4b1f8 [ 71.122089][ T4522] [ 71.156006][ T4522] FAULT_INJECTION: forcing a failure. [ 71.156006][ T4522] name failslab, interval 1, probability 100, space 0, times 0 [ 71.156039][ T4522] CPU: 0 UID: 0 PID: 4522 Comm: syz.2.361 Not tainted syzkaller #0 PREEMPT(lazy) [ 71.156066][ T4522] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 71.156080][ T4522] Call Trace: [ 71.156088][ T4522] [ 71.156129][ T4522] __dump_stack+0x1d/0x30 [ 71.156157][ T4522] dump_stack_lvl+0x95/0xd0 [ 71.156179][ T4522] dump_stack+0x15/0x1b [ 71.156201][ T4522] should_fail_ex+0x262/0x280 [ 71.156301][ T4522] should_failslab+0x8c/0xb0 [ 71.156332][ T4522] kmem_cache_alloc_lru_noprof+0x7f/0x3f0 [ 71.156452][ T4522] ? mqueue_alloc_inode+0x34/0x50 [ 71.156477][ T4522] ? mqueue_alloc_inode+0x34/0x50 [ 71.156502][ T4522] ? __pfx_mqueue_fill_super+0x10/0x10 [ 71.156527][ T4522] ? __pfx_mqueue_alloc_inode+0x10/0x10 [ 71.156621][ T4522] mqueue_alloc_inode+0x34/0x50 [ 71.156645][ T4522] alloc_inode+0x40/0x170 [ 71.156665][ T4522] new_inode+0x1d/0xe0 [ 71.156686][ T4522] ? __pfx_mqueue_fill_super+0x10/0x10 [ 71.156762][ T4522] mqueue_fill_super+0x89/0x1d0 [ 71.156785][ T4522] ? __pfx_mqueue_fill_super+0x10/0x10 [ 71.156820][ T4522] get_tree_nodev+0x83/0x100 [ 71.156897][ T4522] mqueue_get_tree+0x5d/0x80 [ 71.156921][ T4522] vfs_get_tree+0x57/0x1d0 [ 71.156950][ T4522] fc_mount_longterm+0x18/0xb0 [ 71.157053][ T4522] mq_init_ns+0x2db/0x370 [ 71.157102][ T4522] copy_ipcs+0x26d/0x460 [ 71.157135][ T4522] create_new_namespaces+0x121/0x420 [ 71.157167][ T4522] unshare_nsproxy_namespaces+0x115/0x150 [ 71.157201][ T4522] ksys_unshare+0x42b/0x710 [ 71.157236][ T4522] __x64_sys_unshare+0x1f/0x30 [ 71.157267][ T4522] x64_sys_call+0x1e33/0x2550 [ 71.157294][ T4522] do_syscall_64+0x112/0x360 [ 71.157316][ T4522] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 71.157361][ T4522] RIP: 0033:0x7f155b8ce159 [ 71.157378][ T4522] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 71.157398][ T4522] RSP: 002b:00007f155a327028 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 71.157455][ T4522] RAX: ffffffffffffffda RBX: 00007f155bb55fa0 RCX: 00007f155b8ce159 [ 71.157535][ T4522] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000006a040000 [ 71.157628][ T4522] RBP: 00007f155b96506b R08: 0000000000000000 R09: 0000000000000000 [ 71.157643][ T4522] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 71.157657][ T4522] R13: 00007f155bb56038 R14: 00007f155bb55fa0 R15: 00007ffdcec4b1f8 [ 71.157737][ T4522] [ 71.174949][ T4522] FAULT_INJECTION: forcing a failure. [ 71.174949][ T4522] name failslab, interval 1, probability 100, space 0, times 0 [ 71.174980][ T4522] CPU: 0 UID: 0 PID: 4522 Comm: syz.2.361 Not tainted syzkaller #0 PREEMPT(lazy) [ 71.175140][ T4522] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 71.175154][ T4522] Call Trace: [ 71.175161][ T4522] [ 71.175173][ T4522] __dump_stack+0x1d/0x30 [ 71.175199][ T4522] dump_stack_lvl+0x95/0xd0 [ 71.175254][ T4522] dump_stack+0x15/0x1b [ 71.175276][ T4522] should_fail_ex+0x262/0x280 [ 71.175301][ T4522] ? __memcg_list_lru_alloc+0x288/0x470 [ 71.175350][ T4522] should_failslab+0x8c/0xb0 [ 71.175380][ T4522] __kmalloc_noprof+0xd0/0x4d0 [ 71.175438][ T4522] ? __memcg_list_lru_alloc+0x288/0x470 [ 71.175474][ T4522] __memcg_list_lru_alloc+0x288/0x470 [ 71.175511][ T4522] memcg_list_lru_alloc+0x88/0xa0 [ 71.175587][ T4522] __memcg_slab_post_alloc_hook+0x23f/0x8d0 [ 71.175614][ T4522] ? __rcu_read_unlock+0x4e/0x70 [ 71.175645][ T4522] ? should_fail_ex+0xdb/0x280 [ 71.175743][ T4522] kmem_cache_alloc_lru_noprof+0x1f4/0x3f0 [ 71.175836][ T4522] ? mqueue_alloc_inode+0x34/0x50 [ 71.175860][ T4522] ? mqueue_alloc_inode+0x34/0x50 [ 71.175885][ T4522] ? __pfx_mqueue_fill_super+0x10/0x10 [ 71.175931][ T4522] ? __pfx_mqueue_alloc_inode+0x10/0x10 [ 71.175955][ T4522] mqueue_alloc_inode+0x34/0x50 [ 71.176012][ T4522] alloc_inode+0x40/0x170 [ 71.176033][ T4522] new_inode+0x1d/0xe0 [ 71.176054][ T4522] ? __pfx_mqueue_fill_super+0x10/0x10 [ 71.176080][ T4522] mqueue_fill_super+0x89/0x1d0 [ 71.176120][ T4522] ? __pfx_mqueue_fill_super+0x10/0x10 [ 71.176146][ T4522] get_tree_nodev+0x83/0x100 [ 71.176174][ T4522] mqueue_get_tree+0x5d/0x80 [ 71.176199][ T4522] vfs_get_tree+0x57/0x1d0 [ 71.176258][ T4522] fc_mount_longterm+0x18/0xb0 [ 71.176286][ T4522] mq_init_ns+0x2db/0x370 [ 71.176309][ T4522] copy_ipcs+0x26d/0x460 [ 71.176379][ T4522] create_new_namespaces+0x121/0x420 [ 71.176412][ T4522] unshare_nsproxy_namespaces+0x115/0x150 [ 71.176446][ T4522] ksys_unshare+0x42b/0x710 [ 71.176475][ T4522] __x64_sys_unshare+0x1f/0x30 [ 71.176544][ T4522] x64_sys_call+0x1e33/0x2550 [ 71.176626][ T4522] do_syscall_64+0x112/0x360 [ 71.176648][ T4522] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 71.176710][ T4522] RIP: 0033:0x7f155b8ce159 [ 71.176728][ T4522] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 71.176748][ T4522] RSP: 002b:00007f155a327028 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 71.176771][ T4522] RAX: ffffffffffffffda RBX: 00007f155bb55fa0 RCX: 00007f155b8ce159 [ 71.176787][ T4522] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000006a040000 [ 71.176801][ T4522] RBP: 00007f155b96506b R08: 0000000000000000 R09: 0000000000000000 [ 71.176827][ T4522] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 71.176840][ T4522] R13: 00007f155bb56038 R14: 00007f155bb55fa0 R15: 00007ffdcec4b1f8 [ 71.176861][ T4522] [ 71.193884][ T4518] wg1 speed is unknown, defaulting to 1000 [ 71.363641][ T4527] wg1 speed is unknown, defaulting to 1000 [ 71.376026][ T4522] FAULT_INJECTION: forcing a failure. [ 71.376026][ T4522] name failslab, interval 1, probability 100, space 0, times 0 [ 71.376158][ T4522] CPU: 0 UID: 0 PID: 4522 Comm: syz.2.361 Not tainted syzkaller #0 PREEMPT(lazy) [ 71.376204][ T4522] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 71.376217][ T4522] Call Trace: [ 71.376224][ T4522] [ 71.376232][ T4522] __dump_stack+0x1d/0x30 [ 71.376259][ T4522] dump_stack_lvl+0x95/0xd0 [ 71.376347][ T4522] dump_stack+0x15/0x1b [ 71.376369][ T4522] should_fail_ex+0x262/0x280 [ 71.376394][ T4522] ? __register_sysctl_table+0x52/0xbe0 [ 71.376495][ T4522] should_failslab+0x8c/0xb0 [ 71.376580][ T4522] __kmalloc_noprof+0xd0/0x4d0 [ 71.376610][ T4522] ? __register_sysctl_table+0x52/0xbe0 [ 71.376633][ T4522] ? vsnprintf+0x857/0x8c0 [ 71.376716][ T4522] __register_sysctl_table+0x52/0xbe0 [ 71.376742][ T4522] register_net_sysctl_sz+0x118/0x190 [ 71.376774][ T4522] __devinet_sysctl_register+0x1c6/0x250 [ 71.376852][ T4522] ? devinet_init_net+0xb5/0x550 [ 71.376931][ T4522] devinet_init_net+0x29c/0x550 [ 71.377006][ T4522] ops_init+0x22a/0x2e0 [ 71.377037][ T4522] setup_net+0x9f/0x230 [ 71.377066][ T4522] copy_net_ns+0x333/0x490 [ 71.377174][ T4522] create_new_namespaces+0x1f6/0x420 [ 71.377207][ T4522] unshare_nsproxy_namespaces+0x115/0x150 [ 71.377256][ T4522] ksys_unshare+0x42b/0x710 [ 71.377285][ T4522] __x64_sys_unshare+0x1f/0x30 [ 71.377341][ T4522] x64_sys_call+0x1e33/0x2550 [ 71.377368][ T4522] do_syscall_64+0x112/0x360 [ 71.377434][ T4522] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 71.377459][ T4522] RIP: 0033:0x7f155b8ce159 [ 71.377477][ T4522] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 71.377497][ T4522] RSP: 002b:00007f155a327028 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 71.377520][ T4522] RAX: ffffffffffffffda RBX: 00007f155bb55fa0 RCX: 00007f155b8ce159 [ 71.377592][ T4522] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000006a040000 [ 71.377606][ T4522] RBP: 00007f155b96506b R08: 0000000000000000 R09: 0000000000000000 [ 71.377690][ T4522] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 71.377704][ T4522] R13: 00007f155bb56038 R14: 00007f155bb55fa0 R15: 00007ffdcec4b1f8 [ 71.377725][ T4522] [ 71.448510][ T4526] wg1 speed is unknown, defaulting to 1000 [ 71.452151][ T4536] FAULT_INJECTION: forcing a failure. [ 71.452151][ T4536] name failslab, interval 1, probability 100, space 0, times 0 [ 71.452182][ T4536] CPU: 0 UID: 0 PID: 4536 Comm: syz.4.364 Not tainted syzkaller #0 PREEMPT(lazy) [ 71.452208][ T4536] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 71.452222][ T4536] Call Trace: [ 71.452230][ T4536] [ 71.452238][ T4536] __dump_stack+0x1d/0x30 [ 71.452336][ T4536] dump_stack_lvl+0x95/0xd0 [ 71.452360][ T4536] dump_stack+0x15/0x1b [ 71.452382][ T4536] should_fail_ex+0x262/0x280 [ 71.452460][ T4536] ? alloc_fs_context+0x41/0x570 [ 71.452518][ T4536] should_failslab+0x8c/0xb0 [ 71.452548][ T4536] __kmalloc_cache_noprof+0x7a/0x400 [ 71.452579][ T4536] ? ida_alloc_range+0x6f4/0x730 [ 71.452666][ T4536] ? alloc_fs_context+0x41/0x570 [ 71.452753][ T4536] alloc_fs_context+0x41/0x570 [ 71.452774][ T4536] ? fs_context_for_mount+0x11/0x30 [ 71.452819][ T4536] fs_context_for_mount+0x22/0x30 [ 71.452842][ T4536] mq_init_ns+0xac/0x370 [ 71.452866][ T4536] copy_ipcs+0x26d/0x460 [ 71.452966][ T4536] create_new_namespaces+0x121/0x420 [ 71.453000][ T4536] unshare_nsproxy_namespaces+0x115/0x150 [ 71.453034][ T4536] ksys_unshare+0x42b/0x710 [ 71.453072][ T4536] __x64_sys_unshare+0x1f/0x30 [ 71.453100][ T4536] x64_sys_call+0x1e33/0x2550 [ 71.453196][ T4536] do_syscall_64+0x112/0x360 [ 71.453219][ T4536] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 71.453242][ T4536] RIP: 0033:0x7f3d29ebe159 [ 71.453329][ T4536] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 71.453351][ T4536] RSP: 002b:00007f3d28917028 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 71.453430][ T4536] RAX: ffffffffffffffda RBX: 00007f3d2a145fa0 RCX: 00007f3d29ebe159 [ 71.453448][ T4536] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000006a040000 [ 71.453465][ T4536] RBP: 00007f3d29f5506b R08: 0000000000000000 R09: 0000000000000000 [ 71.453481][ T4536] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 71.453579][ T4536] R13: 00007f3d2a146038 R14: 00007f3d2a145fa0 R15: 00007ffe2a709b98 [ 71.453605][ T4536] [ 71.461912][ T4536] FAULT_INJECTION: forcing a failure. [ 71.461912][ T4536] name failslab, interval 1, probability 100, space 0, times 0 [ 71.461940][ T4536] CPU: 0 UID: 0 PID: 4536 Comm: syz.4.364 Not tainted syzkaller #0 PREEMPT(lazy) [ 71.462022][ T4536] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 71.462036][ T4536] Call Trace: [ 71.462081][ T4536] [ 71.462089][ T4536] __dump_stack+0x1d/0x30 [ 71.462114][ T4536] dump_stack_lvl+0x95/0xd0 [ 71.462158][ T4536] dump_stack+0x15/0x1b [ 71.462178][ T4536] should_fail_ex+0x262/0x280 [ 71.462203][ T4536] ? shrinker_alloc+0x3b/0x6e0 [ 71.462264][ T4536] should_failslab+0x8c/0xb0 [ 71.462347][ T4536] __kmalloc_cache_noprof+0x7a/0x400 [ 71.462408][ T4536] ? shrinker_alloc+0x3b/0x6e0 [ 71.462436][ T4536] shrinker_alloc+0x3b/0x6e0 [ 71.462461][ T4536] ? __percpu_init_rwsem+0x24/0x90 [ 71.462556][ T4536] ? rcu_sync_init+0x32/0x40 [ 71.462615][ T4536] sget_fc+0x819/0xf70 [ 71.462640][ T4536] ? __pfx_set_anon_super_fc+0x10/0x10 [ 71.462677][ T4536] ? __kmalloc_cache_noprof+0x19b/0x400 [ 71.462731][ T4536] ? mqueue_init_fs_context+0x38/0x2c0 [ 71.462757][ T4536] ? __pfx_mqueue_fill_super+0x10/0x10 [ 71.462783][ T4536] get_tree_nodev+0x2a/0x100 [ 71.462864][ T4536] mqueue_get_tree+0x5d/0x80 [ 71.462889][ T4536] vfs_get_tree+0x57/0x1d0 [ 71.462918][ T4536] fc_mount_longterm+0x18/0xb0 [ 71.463077][ T4536] mq_init_ns+0x2db/0x370 [ 71.463100][ T4536] copy_ipcs+0x26d/0x460 [ 71.463125][ T4536] create_new_namespaces+0x121/0x420 [ 71.463159][ T4536] unshare_nsproxy_namespaces+0x115/0x150 [ 71.463349][ T4536] ksys_unshare+0x42b/0x710 [ 71.463378][ T4536] __x64_sys_unshare+0x1f/0x30 [ 71.463450][ T4536] x64_sys_call+0x1e33/0x2550 [ 71.463477][ T4536] do_syscall_64+0x112/0x360 [ 71.463499][ T4536] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 71.463523][ T4536] RIP: 0033:0x7f3d29ebe159 [ 71.463621][ T4536] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 71.463641][ T4536] RSP: 002b:00007f3d28917028 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 71.463663][ T4536] RAX: ffffffffffffffda RBX: 00007f3d2a145fa0 RCX: 00007f3d29ebe159 [ 71.463678][ T4536] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000006a040000 [ 71.463761][ T4536] RBP: 00007f3d29f5506b R08: 0000000000000000 R09: 0000000000000000 [ 71.463776][ T4536] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 71.463790][ T4536] R13: 00007f3d2a146038 R14: 00007f3d2a145fa0 R15: 00007ffe2a709b98 [ 71.463862][ T4536] [ 71.466956][ T4529] wg1 speed is unknown, defaulting to 1000 [ 71.498156][ T4536] FAULT_INJECTION: forcing a failure. [ 71.498156][ T4536] name failslab, interval 1, probability 100, space 0, times 0 [ 71.498256][ T4536] CPU: 0 UID: 0 PID: 4536 Comm: syz.4.364 Not tainted syzkaller #0 PREEMPT(lazy) [ 71.498283][ T4536] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 71.498296][ T4536] Call Trace: [ 71.498304][ T4536] [ 71.498313][ T4536] __dump_stack+0x1d/0x30 [ 71.498339][ T4536] dump_stack_lvl+0x95/0xd0 [ 71.498403][ T4536] dump_stack+0x15/0x1b [ 71.498504][ T4536] should_fail_ex+0x262/0x280 [ 71.498529][ T4536] ? security_sb_alloc+0x48/0x100 [ 71.498554][ T4536] should_failslab+0x8c/0xb0 [ 71.498639][ T4536] __kmalloc_noprof+0xd0/0x4d0 [ 71.498669][ T4536] ? should_failslab+0x8c/0xb0 [ 71.498697][ T4536] ? security_sb_alloc+0x48/0x100 [ 71.498782][ T4536] security_sb_alloc+0x48/0x100 [ 71.498815][ T4536] sget_fc+0x576/0xf70 [ 71.498841][ T4536] ? __pfx_set_anon_super_fc+0x10/0x10 [ 71.498875][ T4536] ? __kmalloc_cache_noprof+0x19b/0x400 [ 71.498956][ T4536] ? mqueue_init_fs_context+0x38/0x2c0 [ 71.499022][ T4536] ? __pfx_mqueue_fill_super+0x10/0x10 [ 71.499049][ T4536] get_tree_nodev+0x2a/0x100 [ 71.499077][ T4536] mqueue_get_tree+0x5d/0x80 [ 71.499162][ T4536] vfs_get_tree+0x57/0x1d0 [ 71.499243][ T4536] fc_mount_longterm+0x18/0xb0 [ 71.499345][ T4536] mq_init_ns+0x2db/0x370 [ 71.499433][ T4536] copy_ipcs+0x26d/0x460 [ 71.499459][ T4536] create_new_namespaces+0x121/0x420 [ 71.499493][ T4536] unshare_nsproxy_namespaces+0x115/0x150 [ 71.499581][ T4536] ksys_unshare+0x42b/0x710 [ 71.499611][ T4536] __x64_sys_unshare+0x1f/0x30 [ 71.499681][ T4536] x64_sys_call+0x1e33/0x2550 [ 71.499708][ T4536] do_syscall_64+0x112/0x360 [ 71.499822][ T4536] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 71.499850][ T4536] RIP: 0033:0x7f3d29ebe159 [ 71.499871][ T4536] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 71.499954][ T4536] RSP: 002b:00007f3d28917028 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 71.499979][ T4536] RAX: ffffffffffffffda RBX: 00007f3d2a145fa0 RCX: 00007f3d29ebe159 [ 71.499995][ T4536] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000006a040000 [ 71.500010][ T4536] RBP: 00007f3d29f5506b R08: 0000000000000000 R09: 0000000000000000 [ 71.500025][ T4536] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 71.500091][ T4536] R13: 00007f3d2a146038 R14: 00007f3d2a145fa0 R15: 00007ffe2a709b98 [ 71.500112][ T4536] [ 71.605818][ T4528] wg1 speed is unknown, defaulting to 1000 [ 71.882580][ T4533] wg1 speed is unknown, defaulting to 1000 [ 72.030861][ T4538] wg1 speed is unknown, defaulting to 1000 [ 72.664204][ T4565] FAULT_INJECTION: forcing a failure. [ 72.664204][ T4565] name failslab, interval 1, probability 100, space 0, times 0 [ 72.664236][ T4565] CPU: 0 UID: 0 PID: 4565 Comm: syz.4.374 Not tainted syzkaller #0 PREEMPT(lazy) [ 72.664262][ T4565] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 72.664276][ T4565] Call Trace: [ 72.664284][ T4565] [ 72.664294][ T4565] __dump_stack+0x1d/0x30 [ 72.664384][ T4565] dump_stack_lvl+0x95/0xd0 [ 72.664407][ T4565] dump_stack+0x15/0x1b [ 72.664428][ T4565] should_fail_ex+0x262/0x280 [ 72.664463][ T4565] ? __send_signal_locked+0x1ca/0x7a0 [ 72.664569][ T4565] should_failslab+0x8c/0xb0 [ 72.664671][ T4565] kmem_cache_alloc_noprof+0x7c/0x3f0 [ 72.664701][ T4565] ? __send_signal_locked+0x1ca/0x7a0 [ 72.664732][ T4565] __send_signal_locked+0x1ca/0x7a0 [ 72.664823][ T4565] ? _raw_spin_lock_irqsave+0x58/0xb0 [ 72.664849][ T4565] do_notify_parent+0x55f/0x600 [ 72.664884][ T4565] release_task+0x9bf/0xb90 [ 72.664917][ T4565] do_exit+0xd79/0x1510 [ 72.664951][ T4565] do_group_exit+0xfe/0x140 [ 72.665037][ T4565] ? get_signal+0xe00/0xf10 [ 72.665070][ T4565] get_signal+0xe07/0xf10 [ 72.665193][ T4565] arch_do_signal_or_restart+0x96/0x480 [ 72.665320][ T4565] exit_to_user_mode_loop+0x15d/0x8c0 [ 72.665355][ T4565] do_syscall_64+0x212/0x360 [ 72.665377][ T4565] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 72.665401][ T4565] RIP: 0033:0x7f3d29ebe159 [ 72.665419][ T4565] Code: Unable to access opcode bytes at 0x7f3d29ebe12f. [ 72.665531][ T4565] RSP: 002b:00007f3d289170e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 72.665554][ T4565] RAX: fffffffffffffe00 RBX: 00007f3d2a145fa8 RCX: 00007f3d29ebe159 [ 72.665569][ T4565] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f3d2a145fa8 [ 72.665583][ T4565] RBP: 00007f3d2a145fa0 R08: 0000000000000000 R09: 0000000000000000 [ 72.665648][ T4565] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 72.665662][ T4565] R13: 00007f3d2a146038 R14: 00007ffe2a709ab0 R15: 00007ffe2a709b98 [ 72.665683][ T4565] [ 72.810829][ T4575] serial 00:02: in use; can't configure [ 72.812521][ T4575] serial 00:02: in use; can't configure [ 72.968919][ T4580] bridge_slave_0: Caught tx_queue_len zero misconfig [ 73.069665][ T4592] tipc: Enabling of bearer rejected, already enabled [ 73.187627][ T4600] FAULT_INJECTION: forcing a failure. [ 73.187627][ T4600] name failslab, interval 1, probability 100, space 0, times 0 [ 73.187697][ T4600] CPU: 0 UID: 0 PID: 4600 Comm: syz.0.392 Not tainted syzkaller #0 PREEMPT(lazy) [ 73.187723][ T4600] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 73.187736][ T4600] Call Trace: [ 73.187745][ T4600] [ 73.187755][ T4600] __dump_stack+0x1d/0x30 [ 73.187818][ T4600] dump_stack_lvl+0x95/0xd0 [ 73.187842][ T4600] dump_stack+0x15/0x1b [ 73.187864][ T4600] should_fail_ex+0x262/0x280 [ 73.187964][ T4600] ? alloc_fs_context+0x41/0x570 [ 73.187987][ T4600] should_failslab+0x8c/0xb0 [ 73.188018][ T4600] __kmalloc_cache_noprof+0x7a/0x400 [ 73.188050][ T4600] ? ida_alloc_range+0x6f4/0x730 [ 73.188138][ T4600] ? alloc_fs_context+0x41/0x570 [ 73.188164][ T4600] alloc_fs_context+0x41/0x570 [ 73.188186][ T4600] ? fs_context_for_mount+0x11/0x30 [ 73.188210][ T4600] fs_context_for_mount+0x22/0x30 [ 73.188271][ T4600] mq_init_ns+0xac/0x370 [ 73.188295][ T4600] copy_ipcs+0x26d/0x460 [ 73.188320][ T4600] create_new_namespaces+0x121/0x420 [ 73.188381][ T4600] unshare_nsproxy_namespaces+0x115/0x150 [ 73.188415][ T4600] ksys_unshare+0x42b/0x710 [ 73.188446][ T4600] __x64_sys_unshare+0x1f/0x30 [ 73.188474][ T4600] x64_sys_call+0x1e33/0x2550 [ 73.188500][ T4600] do_syscall_64+0x112/0x360 [ 73.188523][ T4600] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 73.188570][ T4600] RIP: 0033:0x7fda8bc3e159 [ 73.188641][ T4600] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 73.188680][ T4600] RSP: 002b:00007fda8a697028 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 73.188761][ T4600] RAX: ffffffffffffffda RBX: 00007fda8bec5fa0 RCX: 00007fda8bc3e159 [ 73.188777][ T4600] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000006a040000 [ 73.188792][ T4600] RBP: 00007fda8bcd506b R08: 0000000000000000 R09: 0000000000000000 [ 73.188806][ T4600] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 73.188820][ T4600] R13: 00007fda8bec6038 R14: 00007fda8bec5fa0 R15: 00007ffe0d636d38 [ 73.188841][ T4600] [ 73.216463][ T4600] wg1 speed is unknown, defaulting to 1000 [ 73.245960][ T4600] FAULT_INJECTION: forcing a failure. [ 73.245960][ T4600] name failslab, interval 1, probability 100, space 0, times 0 [ 73.245991][ T4600] CPU: 0 UID: 0 PID: 4600 Comm: syz.0.392 Not tainted syzkaller #0 PREEMPT(lazy) [ 73.246017][ T4600] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 73.246076][ T4600] Call Trace: [ 73.246084][ T4600] [ 73.246094][ T4600] __dump_stack+0x1d/0x30 [ 73.246121][ T4600] dump_stack_lvl+0x95/0xd0 [ 73.246145][ T4600] dump_stack+0x15/0x1b [ 73.246177][ T4600] should_fail_ex+0x262/0x280 [ 73.246228][ T4600] ? selinux_genfs_get_sid+0x49/0x190 [ 73.246363][ T4600] should_failslab+0x8c/0xb0 [ 73.246395][ T4600] __kmalloc_cache_noprof+0x7a/0x400 [ 73.246427][ T4600] ? selinux_genfs_get_sid+0x49/0x190 [ 73.246458][ T4600] selinux_genfs_get_sid+0x49/0x190 [ 73.246537][ T4600] inode_doinit_with_dentry+0x606/0x7b0 [ 73.246692][ T4600] selinux_d_instantiate+0x27/0x40 [ 73.246778][ T4600] security_d_instantiate+0x76/0x90 [ 73.246804][ T4600] d_make_persistent+0x49/0x110 [ 73.246834][ T4600] __debugfs_create_file+0x14e/0x2b0 [ 73.246956][ T4600] debugfs_create_file_full+0x3f/0x60 [ 73.246982][ T4600] ? __pfx_vti6_dev_setup+0x10/0x10 [ 73.247011][ T4600] ref_tracker_dir_debugfs+0x10e/0x220 [ 73.247046][ T4600] alloc_netdev_mqs+0x1a9/0xa90 [ 73.247190][ T4600] vti6_init_net+0xfa/0x310 [ 73.247284][ T4600] ops_init+0x22a/0x2e0 [ 73.247379][ T4600] setup_net+0x9f/0x230 [ 73.247468][ T4600] copy_net_ns+0x333/0x490 [ 73.247497][ T4600] create_new_namespaces+0x1f6/0x420 [ 73.247606][ T4600] unshare_nsproxy_namespaces+0x115/0x150 [ 73.247640][ T4600] ksys_unshare+0x42b/0x710 [ 73.247678][ T4600] __x64_sys_unshare+0x1f/0x30 [ 73.247731][ T4600] x64_sys_call+0x1e33/0x2550 [ 73.247758][ T4600] do_syscall_64+0x112/0x360 [ 73.247780][ T4600] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 73.247860][ T4600] RIP: 0033:0x7fda8bc3e159 [ 73.247878][ T4600] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 73.247904][ T4600] RSP: 002b:00007fda8a697028 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 73.247927][ T4600] RAX: ffffffffffffffda RBX: 00007fda8bec5fa0 RCX: 00007fda8bc3e159 [ 73.247946][ T4600] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000006a040000 [ 73.247961][ T4600] RBP: 00007fda8bcd506b R08: 0000000000000000 R09: 0000000000000000 [ 73.247975][ T4600] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 73.247989][ T4600] R13: 00007fda8bec6038 R14: 00007fda8bec5fa0 R15: 00007ffe0d636d38 [ 73.248010][ T4600] [ 73.322532][ T4600] FAULT_INJECTION: forcing a failure. [ 73.322532][ T4600] name failslab, interval 1, probability 100, space 0, times 0 [ 73.322583][ T4600] CPU: 0 UID: 0 PID: 4600 Comm: syz.0.392 Not tainted syzkaller #0 PREEMPT(lazy) [ 73.322610][ T4600] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 73.322624][ T4600] Call Trace: [ 73.322639][ T4600] [ 73.322705][ T4600] __dump_stack+0x1d/0x30 [ 73.322733][ T4600] dump_stack_lvl+0x95/0xd0 [ 73.322882][ T4600] dump_stack+0x15/0x1b [ 73.322980][ T4600] should_fail_ex+0x262/0x280 [ 73.323008][ T4600] ? __kernfs_new_node+0x70/0x440 [ 73.323030][ T4600] should_failslab+0x8c/0xb0 [ 73.323062][ T4600] kmem_cache_alloc_noprof+0x7c/0x3f0 [ 73.323099][ T4600] ? __kernfs_new_node+0x70/0x440 [ 73.323122][ T4600] __kernfs_new_node+0x70/0x440 [ 73.323141][ T4600] ? rb_insert_color+0x6e/0x2a0 [ 73.323174][ T4600] ? __rcu_read_unlock+0x4e/0x70 [ 73.323249][ T4600] ? __rcu_read_unlock+0x4e/0x70 [ 73.323279][ T4600] ? kernfs_activate_one+0x10c/0x140 [ 73.323378][ T4600] ? __rcu_read_unlock+0x4e/0x70 [ 73.323428][ T4600] ? up_write+0x19/0x60 [ 73.323460][ T4600] kernfs_new_node+0xcf/0xf0 [ 73.323481][ T4600] __kernfs_create_file+0x4b/0x180 [ 73.323615][ T4600] ? __pfx_dev_attr_show+0x10/0x10 [ 73.323653][ T4600] ? __pfx_dev_attr_store+0x10/0x10 [ 73.323683][ T4600] sysfs_add_file_mode_ns+0x132/0x1b0 [ 73.323772][ T4600] internal_create_group+0x43e/0x9e0 [ 73.323876][ T4600] ? kernfs_add_one+0x2cf/0x350 [ 73.323897][ T4600] ? kernfs_put+0x25e/0x2c0 [ 73.323931][ T4600] sysfs_create_groups+0x3f/0xf0 [ 73.324002][ T4600] device_add_attrs+0xf2/0x3f0 [ 73.324028][ T4600] device_add+0x37a/0x790 [ 73.324098][ T4600] netdev_register_kobject+0x127/0x240 [ 73.324189][ T4600] register_netdevice+0xaf7/0x11a0 [ 73.324266][ T4600] register_netdev+0x3b/0x50 [ 73.324286][ T4600] ip6_tnl_init_net+0x22d/0x310 [ 73.324313][ T4600] ops_init+0x22a/0x2e0 [ 73.324375][ T4600] setup_net+0x9f/0x230 [ 73.324455][ T4600] copy_net_ns+0x333/0x490 [ 73.324558][ T4600] create_new_namespaces+0x1f6/0x420 [ 73.324592][ T4600] unshare_nsproxy_namespaces+0x115/0x150 [ 73.324625][ T4600] ksys_unshare+0x42b/0x710 [ 73.324736][ T4600] __x64_sys_unshare+0x1f/0x30 [ 73.324763][ T4600] x64_sys_call+0x1e33/0x2550 [ 73.324829][ T4600] do_syscall_64+0x112/0x360 [ 73.324852][ T4600] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 73.324937][ T4600] RIP: 0033:0x7fda8bc3e159 [ 73.324956][ T4600] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 73.324976][ T4600] RSP: 002b:00007fda8a697028 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 73.325035][ T4600] RAX: ffffffffffffffda RBX: 00007fda8bec5fa0 RCX: 00007fda8bc3e159 [ 73.325051][ T4600] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000006a040000 [ 73.325066][ T4600] RBP: 00007fda8bcd506b R08: 0000000000000000 R09: 0000000000000000 [ 73.325080][ T4600] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 73.325152][ T4600] R13: 00007fda8bec6038 R14: 00007fda8bec5fa0 R15: 00007ffe0d636d38 [ 73.325173][ T4600] [ 73.392261][ T4600] FAULT_INJECTION: forcing a failure. [ 73.392261][ T4600] name failslab, interval 1, probability 100, space 0, times 0 [ 73.392293][ T4600] CPU: 0 UID: 0 PID: 4600 Comm: syz.0.392 Not tainted syzkaller #0 PREEMPT(lazy) [ 73.392364][ T4600] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 73.392378][ T4600] Call Trace: [ 73.392385][ T4600] [ 73.392394][ T4600] __dump_stack+0x1d/0x30 [ 73.392420][ T4600] dump_stack_lvl+0x95/0xd0 [ 73.392444][ T4600] dump_stack+0x15/0x1b [ 73.392467][ T4600] should_fail_ex+0x262/0x280 [ 73.392493][ T4600] ? kobject_get_path+0x92/0x1c0 [ 73.392591][ T4600] should_failslab+0x8c/0xb0 [ 73.392622][ T4600] __kmalloc_noprof+0xd0/0x4d0 [ 73.392660][ T4600] ? kobject_get_path+0x92/0x1c0 [ 73.392750][ T4600] ? should_failslab+0x8c/0xb0 [ 73.392852][ T4600] kobject_get_path+0x92/0x1c0 [ 73.392906][ T4600] kobject_uevent_env+0x1c2/0x560 [ 73.392935][ T4600] ? kernfs_put+0x296/0x2c0 [ 73.393035][ T4600] kobject_uevent+0x1d/0x30 [ 73.393134][ T4600] __kobject_del+0x88/0x190 [ 73.393221][ T4600] kobject_put+0x124/0x180 [ 73.393247][ T4600] net_rx_queue_update_kobjects+0x498/0x540 [ 73.393350][ T4600] ? nlmsg_notify+0xcf/0x170 [ 73.393379][ T4600] ? nlmsg_notify+0x12e/0x170 [ 73.393465][ T4600] netdev_unregister_kobject+0xad/0x250 [ 73.393487][ T4600] unregister_netdevice_many_notify+0x1195/0x1560 [ 73.393579][ T4600] unregister_netdevice_many+0x19/0x20 [ 73.393602][ T4600] ops_undo_list+0x21d/0x420 [ 73.393670][ T4600] setup_net+0x1f2/0x230 [ 73.393698][ T4600] copy_net_ns+0x333/0x490 [ 73.393775][ T4600] create_new_namespaces+0x1f6/0x420 [ 73.393810][ T4600] unshare_nsproxy_namespaces+0x115/0x150 [ 73.393845][ T4600] ksys_unshare+0x42b/0x710 [ 73.393939][ T4600] __x64_sys_unshare+0x1f/0x30 [ 73.393987][ T4600] x64_sys_call+0x1e33/0x2550 [ 73.394074][ T4600] do_syscall_64+0x112/0x360 [ 73.394146][ T4600] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 73.394169][ T4600] RIP: 0033:0x7fda8bc3e159 [ 73.394188][ T4600] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 73.394264][ T4600] RSP: 002b:00007fda8a697028 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 73.394332][ T4600] RAX: ffffffffffffffda RBX: 00007fda8bec5fa0 RCX: 00007fda8bc3e159 [ 73.394348][ T4600] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000006a040000 [ 73.394362][ T4600] RBP: 00007fda8bcd506b R08: 0000000000000000 R09: 0000000000000000 [ 73.394377][ T4600] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 73.394436][ T4600] R13: 00007fda8bec6038 R14: 00007fda8bec5fa0 R15: 00007ffe0d636d38 [ 73.394458][ T4600] [ 73.407291][ T4600] FAULT_INJECTION: forcing a failure. [ 73.407291][ T4600] name failslab, interval 1, probability 100, space 0, times 0 [ 73.407321][ T4600] CPU: 0 UID: 0 PID: 4600 Comm: syz.0.392 Not tainted syzkaller #0 PREEMPT(lazy) [ 73.407348][ T4600] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 73.407362][ T4600] Call Trace: [ 73.407369][ T4600] [ 73.407377][ T4600] __dump_stack+0x1d/0x30 [ 73.407458][ T4600] dump_stack_lvl+0x95/0xd0 [ 73.407482][ T4600] dump_stack+0x15/0x1b [ 73.407503][ T4600] should_fail_ex+0x262/0x280 [ 73.407602][ T4600] ? __alloc_skb+0x2e0/0x6f0 [ 73.407641][ T4600] should_failslab+0x8c/0xb0 [ 73.407706][ T4600] kmem_cache_alloc_node_noprof+0x82/0x400 [ 73.407738][ T4600] ? __alloc_skb+0x2e0/0x6f0 [ 73.407771][ T4600] __alloc_skb+0x2e0/0x6f0 [ 73.407819][ T4600] ? __alloc_skb+0x209/0x6f0 [ 73.407850][ T4600] rtmsg_ifinfo_build_skb+0x5b/0x1b0 [ 73.407877][ T4600] unregister_netdevice_many_notify+0xea4/0x1560 [ 73.407954][ T4600] unregister_netdevice_many+0x19/0x20 [ 73.407977][ T4600] ops_undo_list+0x21d/0x420 [ 73.408009][ T4600] setup_net+0x1f2/0x230 [ 73.408050][ T4600] copy_net_ns+0x333/0x490 [ 73.408077][ T4600] create_new_namespaces+0x1f6/0x420 [ 73.408110][ T4600] unshare_nsproxy_namespaces+0x115/0x150 [ 73.408155][ T4600] ksys_unshare+0x42b/0x710 [ 73.408185][ T4600] __x64_sys_unshare+0x1f/0x30 [ 73.408212][ T4600] x64_sys_call+0x1e33/0x2550 [ 73.408238][ T4600] do_syscall_64+0x112/0x360 [ 73.408332][ T4600] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 73.408356][ T4600] RIP: 0033:0x7fda8bc3e159 [ 73.408374][ T4600] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 73.408394][ T4600] RSP: 002b:00007fda8a697028 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 73.408416][ T4600] RAX: ffffffffffffffda RBX: 00007fda8bec5fa0 RCX: 00007fda8bc3e159 [ 73.408502][ T4600] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000006a040000 [ 73.408516][ T4600] RBP: 00007fda8bcd506b R08: 0000000000000000 R09: 0000000000000000 [ 73.408531][ T4600] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 73.408544][ T4600] R13: 00007fda8bec6038 R14: 00007fda8bec5fa0 R15: 00007ffe0d636d38 [ 73.408570][ T4600] [ 73.470125][ T4601] wg1 speed is unknown, defaulting to 1000 [ 73.482844][ T4588] loop2: detected capacity change from 0 to 512 [ 73.528023][ T4588] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 73.528166][ T4588] ext4 filesystem being mounted at /72/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 73.570860][ T29] audit: type=1400 audit(1790062795.169:378): avc: denied { write } for pid=4578 comm="syz.2.383" name="/" dev="loop2" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1 [ 73.618213][ T4602] wg1 speed is unknown, defaulting to 1000 [ 73.673922][ T4603] wg1 speed is unknown, defaulting to 1000 [ 73.719572][ T4604] wg1 speed is unknown, defaulting to 1000 [ 73.894752][ T4608] wg1 speed is unknown, defaulting to 1000 [ 74.092848][ T4609] wg1 speed is unknown, defaulting to 1000 [ 74.181023][ T4611] wg1 speed is unknown, defaulting to 1000 [ 74.194069][ T4619] 00:03: ttyS1 I/O:0x2f8 (irq = 3, base_baud = 115200) is a 16550A [ 74.481648][ T4573] loop4: detected capacity change from 0 to 512 [ 74.509170][ T3305] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 74.768644][ T4629] tipc: Enabling of bearer rejected, already enabled [ 75.400710][ T4648] bridge_slave_0: Caught tx_queue_len zero misconfig [ 75.494641][ T4652] FAULT_INJECTION: forcing a failure. [ 75.494641][ T4652] name failslab, interval 1, probability 100, space 0, times 0 [ 75.494673][ T4652] CPU: 0 UID: 0 PID: 4652 Comm: syz.3.409 Not tainted syzkaller #0 PREEMPT(lazy) [ 75.494700][ T4652] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 75.494714][ T4652] Call Trace: [ 75.494722][ T4652] [ 75.494732][ T4652] __dump_stack+0x1d/0x30 [ 75.494769][ T4652] dump_stack_lvl+0x95/0xd0 [ 75.494793][ T4652] dump_stack+0x15/0x1b [ 75.494814][ T4652] should_fail_ex+0x262/0x280 [ 75.494840][ T4652] ? mqueue_init_fs_context+0x38/0x2c0 [ 75.494866][ T4652] should_failslab+0x8c/0xb0 [ 75.494945][ T4652] __kmalloc_cache_noprof+0x7a/0x400 [ 75.495091][ T4652] ? mqueue_init_fs_context+0x38/0x2c0 [ 75.495128][ T4652] mqueue_init_fs_context+0x38/0x2c0 [ 75.495156][ T4652] alloc_fs_context+0x490/0x570 [ 75.495237][ T4652] fs_context_for_mount+0x22/0x30 [ 75.495260][ T4652] mq_init_ns+0xac/0x370 [ 75.495283][ T4652] copy_ipcs+0x26d/0x460 [ 75.495309][ T4652] create_new_namespaces+0x121/0x420 [ 75.495405][ T4652] unshare_nsproxy_namespaces+0x115/0x150 [ 75.495443][ T4652] ksys_unshare+0x42b/0x710 [ 75.495474][ T4652] __x64_sys_unshare+0x1f/0x30 [ 75.495501][ T4652] x64_sys_call+0x1e33/0x2550 [ 75.495552][ T4652] do_syscall_64+0x112/0x360 [ 75.495575][ T4652] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 75.495599][ T4652] RIP: 0033:0x7f2d53e1e159 [ 75.495617][ T4652] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 75.495644][ T4652] RSP: 002b:00007f2d52856028 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 75.495698][ T4652] RAX: ffffffffffffffda RBX: 00007f2d540a6090 RCX: 00007f2d53e1e159 [ 75.495784][ T4652] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000006a040000 [ 75.495798][ T4652] RBP: 00007f2d53eb506b R08: 0000000000000000 R09: 0000000000000000 [ 75.495813][ T4652] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 75.495827][ T4652] R13: 00007f2d540a6128 R14: 00007f2d540a6090 R15: 00007fffb1cd1f78 [ 75.495910][ T4652] [ 75.507532][ T4652] FAULT_INJECTION: forcing a failure. [ 75.507532][ T4652] name failslab, interval 1, probability 100, space 0, times 0 [ 75.507565][ T4652] CPU: 0 UID: 0 PID: 4652 Comm: syz.3.409 Not tainted syzkaller #0 PREEMPT(lazy) [ 75.507591][ T4652] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 75.507604][ T4652] Call Trace: [ 75.507612][ T4652] [ 75.507637][ T4652] __dump_stack+0x1d/0x30 [ 75.507670][ T4652] dump_stack_lvl+0x95/0xd0 [ 75.507694][ T4652] dump_stack+0x15/0x1b [ 75.507715][ T4652] should_fail_ex+0x262/0x280 [ 75.507741][ T4652] ? sget_fc+0x4ad/0xf70 [ 75.507842][ T4652] should_failslab+0x8c/0xb0 [ 75.507873][ T4652] __kmalloc_cache_noprof+0x7a/0x400 [ 75.507960][ T4652] ? sget_fc+0x4ad/0xf70 [ 75.508048][ T4652] sget_fc+0x4ad/0xf70 [ 75.508073][ T4652] ? __pfx_set_anon_super_fc+0x10/0x10 [ 75.508103][ T4652] ? __kmalloc_cache_noprof+0x19b/0x400 [ 75.508185][ T4652] ? mqueue_init_fs_context+0x38/0x2c0 [ 75.508212][ T4652] ? __pfx_mqueue_fill_super+0x10/0x10 [ 75.508238][ T4652] get_tree_nodev+0x2a/0x100 [ 75.508266][ T4652] mqueue_get_tree+0x5d/0x80 [ 75.508444][ T4652] vfs_get_tree+0x57/0x1d0 [ 75.508474][ T4652] fc_mount_longterm+0x18/0xb0 [ 75.508502][ T4652] mq_init_ns+0x2db/0x370 [ 75.508525][ T4652] copy_ipcs+0x26d/0x460 [ 75.508572][ T4652] create_new_namespaces+0x121/0x420 [ 75.508682][ T4652] unshare_nsproxy_namespaces+0x115/0x150 [ 75.508716][ T4652] ksys_unshare+0x42b/0x710 [ 75.508763][ T4652] __x64_sys_unshare+0x1f/0x30 [ 75.508790][ T4652] x64_sys_call+0x1e33/0x2550 [ 75.508817][ T4652] do_syscall_64+0x112/0x360 [ 75.508911][ T4652] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 75.508935][ T4652] RIP: 0033:0x7f2d53e1e159 [ 75.508953][ T4652] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 75.509034][ T4652] RSP: 002b:00007f2d52856028 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 75.509056][ T4652] RAX: ffffffffffffffda RBX: 00007f2d540a6090 RCX: 00007f2d53e1e159 [ 75.509072][ T4652] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000006a040000 [ 75.509087][ T4652] RBP: 00007f2d53eb506b R08: 0000000000000000 R09: 0000000000000000 [ 75.509101][ T4652] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 75.509150][ T4652] R13: 00007f2d540a6128 R14: 00007f2d540a6090 R15: 00007fffb1cd1f78 [ 75.509172][ T4652] [ 75.516122][ T4573] EXT4-fs (loop4): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 75.521738][ T4651] wg1 speed is unknown, defaulting to 1000 [ 75.533024][ T4652] FAULT_INJECTION: forcing a failure. [ 75.533024][ T4652] name failslab, interval 1, probability 100, space 0, times 0 [ 75.533056][ T4652] CPU: 0 UID: 0 PID: 4652 Comm: syz.3.409 Not tainted syzkaller #0 PREEMPT(lazy) [ 75.533138][ T4652] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 75.533152][ T4652] Call Trace: [ 75.533160][ T4652] [ 75.533169][ T4652] __dump_stack+0x1d/0x30 [ 75.533197][ T4652] dump_stack_lvl+0x95/0xd0 [ 75.533220][ T4652] dump_stack+0x15/0x1b [ 75.533278][ T4652] should_fail_ex+0x262/0x280 [ 75.533304][ T4652] ? security_sb_alloc+0x48/0x100 [ 75.533328][ T4652] should_failslab+0x8c/0xb0 [ 75.533393][ T4652] __kmalloc_noprof+0xd0/0x4d0 [ 75.533471][ T4652] ? should_failslab+0x8c/0xb0 [ 75.533579][ T4652] ? security_sb_alloc+0x48/0x100 [ 75.533641][ T4652] security_sb_alloc+0x48/0x100 [ 75.533666][ T4652] sget_fc+0x576/0xf70 [ 75.533691][ T4652] ? __pfx_set_anon_super_fc+0x10/0x10 [ 75.533795][ T4652] ? __kmalloc_cache_noprof+0x19b/0x400 [ 75.533881][ T4652] ? mqueue_init_fs_context+0x38/0x2c0 [ 75.533906][ T4652] ? __pfx_mqueue_fill_super+0x10/0x10 [ 75.533930][ T4652] get_tree_nodev+0x2a/0x100 [ 75.533956][ T4652] mqueue_get_tree+0x5d/0x80 [ 75.534049][ T4652] vfs_get_tree+0x57/0x1d0 [ 75.534077][ T4652] fc_mount_longterm+0x18/0xb0 [ 75.534105][ T4652] mq_init_ns+0x2db/0x370 [ 75.534179][ T4652] copy_ipcs+0x26d/0x460 [ 75.534253][ T4652] create_new_namespaces+0x121/0x420 [ 75.534337][ T4652] unshare_nsproxy_namespaces+0x115/0x150 [ 75.534371][ T4652] ksys_unshare+0x42b/0x710 [ 75.534400][ T4652] __x64_sys_unshare+0x1f/0x30 [ 75.534441][ T4652] x64_sys_call+0x1e33/0x2550 [ 75.534486][ T4652] do_syscall_64+0x112/0x360 [ 75.534509][ T4652] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 75.534533][ T4652] RIP: 0033:0x7f2d53e1e159 [ 75.534551][ T4652] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 75.534570][ T4652] RSP: 002b:00007f2d52856028 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 75.534639][ T4652] RAX: ffffffffffffffda RBX: 00007f2d540a6090 RCX: 00007f2d53e1e159 [ 75.534655][ T4652] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000006a040000 [ 75.534670][ T4652] RBP: 00007f2d53eb506b R08: 0000000000000000 R09: 0000000000000000 [ 75.534684][ T4652] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 75.534698][ T4652] R13: 00007f2d540a6128 R14: 00007f2d540a6090 R15: 00007fffb1cd1f78 [ 75.534756][ T4652] [ 75.565261][ T4652] FAULT_INJECTION: forcing a failure. [ 75.565261][ T4652] name failslab, interval 1, probability 100, space 0, times 0 [ 75.565328][ T4652] CPU: 0 UID: 0 PID: 4652 Comm: syz.3.409 Not tainted syzkaller #0 PREEMPT(lazy) [ 75.565355][ T4652] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 75.565369][ T4652] Call Trace: [ 75.565377][ T4652] [ 75.565387][ T4652] __dump_stack+0x1d/0x30 [ 75.565414][ T4652] dump_stack_lvl+0x95/0xd0 [ 75.565477][ T4652] dump_stack+0x15/0x1b [ 75.565499][ T4652] should_fail_ex+0x262/0x280 [ 75.565586][ T4652] ? __list_lru_init+0x72/0x2f0 [ 75.565618][ T4652] should_failslab+0x8c/0xb0 [ 75.565652][ T4652] __kmalloc_noprof+0xd0/0x4d0 [ 75.565682][ T4652] ? __list_lru_init+0x72/0x2f0 [ 75.565790][ T4652] __list_lru_init+0x72/0x2f0 [ 75.565823][ T4652] sget_fc+0x8cf/0xf70 [ 75.565849][ T4652] ? __pfx_set_anon_super_fc+0x10/0x10 [ 75.565927][ T4652] ? __kmalloc_cache_noprof+0x19b/0x400 [ 75.565957][ T4652] ? mqueue_init_fs_context+0x38/0x2c0 [ 75.565984][ T4652] ? __pfx_mqueue_fill_super+0x10/0x10 [ 75.566038][ T4652] get_tree_nodev+0x2a/0x100 [ 75.566078][ T4652] mqueue_get_tree+0x5d/0x80 [ 75.566104][ T4652] vfs_get_tree+0x57/0x1d0 [ 75.566132][ T4652] fc_mount_longterm+0x18/0xb0 [ 75.566168][ T4652] mq_init_ns+0x2db/0x370 [ 75.566221][ T4652] copy_ipcs+0x26d/0x460 [ 75.566292][ T4652] create_new_namespaces+0x121/0x420 [ 75.566326][ T4652] unshare_nsproxy_namespaces+0x115/0x150 [ 75.566360][ T4652] ksys_unshare+0x42b/0x710 [ 75.566393][ T4652] __x64_sys_unshare+0x1f/0x30 [ 75.566461][ T4652] x64_sys_call+0x1e33/0x2550 [ 75.566518][ T4652] do_syscall_64+0x112/0x360 [ 75.566541][ T4652] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 75.566565][ T4652] RIP: 0033:0x7f2d53e1e159 [ 75.566588][ T4652] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 75.566608][ T4652] RSP: 002b:00007f2d52856028 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 75.566653][ T4652] RAX: ffffffffffffffda RBX: 00007f2d540a6090 RCX: 00007f2d53e1e159 [ 75.566669][ T4652] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000006a040000 [ 75.566727][ T4652] RBP: 00007f2d53eb506b R08: 0000000000000000 R09: 0000000000000000 [ 75.566742][ T4652] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 75.566756][ T4652] R13: 00007f2d540a6128 R14: 00007f2d540a6090 R15: 00007fffb1cd1f78 [ 75.566777][ T4652] [ 75.581726][ T4652] FAULT_INJECTION: forcing a failure. [ 75.581726][ T4652] name failslab, interval 1, probability 100, space 0, times 0 [ 75.581756][ T4652] CPU: 0 UID: 0 PID: 4652 Comm: syz.3.409 Not tainted syzkaller #0 PREEMPT(lazy) [ 75.581781][ T4652] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 75.581795][ T4652] Call Trace: [ 75.581802][ T4652] [ 75.581811][ T4652] __dump_stack+0x1d/0x30 [ 75.581892][ T4652] dump_stack_lvl+0x95/0xd0 [ 75.581916][ T4652] dump_stack+0x15/0x1b [ 75.581958][ T4652] should_fail_ex+0x262/0x280 [ 75.581983][ T4652] ? __list_lru_init+0x72/0x2f0 [ 75.582016][ T4652] should_failslab+0x8c/0xb0 [ 75.582096][ T4652] __kmalloc_noprof+0xd0/0x4d0 [ 75.582126][ T4652] ? __list_lru_init+0x72/0x2f0 [ 75.582168][ T4652] __list_lru_init+0x72/0x2f0 [ 75.582282][ T4652] sget_fc+0x905/0xf70 [ 75.582306][ T4652] ? __pfx_set_anon_super_fc+0x10/0x10 [ 75.582366][ T4652] ? __kmalloc_cache_noprof+0x19b/0x400 [ 75.582397][ T4652] ? mqueue_init_fs_context+0x38/0x2c0 [ 75.582424][ T4652] ? __pfx_mqueue_fill_super+0x10/0x10 [ 75.582510][ T4652] get_tree_nodev+0x2a/0x100 [ 75.582669][ T4652] mqueue_get_tree+0x5d/0x80 [ 75.582694][ T4652] vfs_get_tree+0x57/0x1d0 [ 75.582745][ T4652] fc_mount_longterm+0x18/0xb0 [ 75.582773][ T4652] mq_init_ns+0x2db/0x370 [ 75.582798][ T4652] copy_ipcs+0x26d/0x460 [ 75.582875][ T4652] create_new_namespaces+0x121/0x420 [ 75.582911][ T4652] unshare_nsproxy_namespaces+0x115/0x150 [ 75.582945][ T4652] ksys_unshare+0x42b/0x710 [ 75.582974][ T4652] __x64_sys_unshare+0x1f/0x30 [ 75.583001][ T4652] x64_sys_call+0x1e33/0x2550 [ 75.583064][ T4652] do_syscall_64+0x112/0x360 [ 75.583085][ T4652] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 75.583107][ T4652] RIP: 0033:0x7f2d53e1e159 [ 75.583148][ T4652] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 75.583169][ T4652] RSP: 002b:00007f2d52856028 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 75.583193][ T4652] RAX: ffffffffffffffda RBX: 00007f2d540a6090 RCX: 00007f2d53e1e159 [ 75.583269][ T4652] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000006a040000 [ 75.583284][ T4652] RBP: 00007f2d53eb506b R08: 0000000000000000 R09: 0000000000000000 [ 75.583299][ T4652] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 75.583313][ T4652] R13: 00007f2d540a6128 R14: 00007f2d540a6090 R15: 00007fffb1cd1f78 [ 75.583385][ T4652] [ 75.596588][ T4573] ext4 filesystem being mounted at /84/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 75.643945][ T4652] FAULT_INJECTION: forcing a failure. [ 75.643945][ T4652] name failslab, interval 1, probability 100, space 0, times 0 [ 75.644056][ T4652] CPU: 0 UID: 0 PID: 4652 Comm: syz.3.409 Not tainted syzkaller #0 PREEMPT(lazy) [ 75.644084][ T4652] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 75.644098][ T4652] Call Trace: [ 75.644124][ T4652] [ 75.644133][ T4652] __dump_stack+0x1d/0x30 [ 75.644207][ T4652] dump_stack_lvl+0x95/0xd0 [ 75.644231][ T4652] dump_stack+0x15/0x1b [ 75.644307][ T4652] should_fail_ex+0x262/0x280 [ 75.644393][ T4652] ? sget_fc+0x93a/0xf70 [ 75.644419][ T4652] should_failslab+0x8c/0xb0 [ 75.644450][ T4652] __kmalloc_cache_noprof+0x7a/0x400 [ 75.644530][ T4652] ? mutex_unlock+0x4e/0x90 [ 75.644613][ T4652] ? sget_fc+0x93a/0xf70 [ 75.644647][ T4652] sget_fc+0x93a/0xf70 [ 75.644671][ T4652] ? __pfx_set_anon_super_fc+0x10/0x10 [ 75.644701][ T4652] ? __kmalloc_cache_noprof+0x19b/0x400 [ 75.644758][ T4652] ? mqueue_init_fs_context+0x38/0x2c0 [ 75.644836][ T4652] ? __pfx_mqueue_fill_super+0x10/0x10 [ 75.644927][ T4652] get_tree_nodev+0x2a/0x100 [ 75.644956][ T4652] mqueue_get_tree+0x5d/0x80 [ 75.645027][ T4652] vfs_get_tree+0x57/0x1d0 [ 75.645056][ T4652] fc_mount_longterm+0x18/0xb0 [ 75.645084][ T4652] mq_init_ns+0x2db/0x370 [ 75.645108][ T4652] copy_ipcs+0x26d/0x460 [ 75.645214][ T4652] create_new_namespaces+0x121/0x420 [ 75.645306][ T4652] unshare_nsproxy_namespaces+0x115/0x150 [ 75.645340][ T4652] ksys_unshare+0x42b/0x710 [ 75.645369][ T4652] __x64_sys_unshare+0x1f/0x30 [ 75.645405][ T4652] x64_sys_call+0x1e33/0x2550 [ 75.645431][ T4652] do_syscall_64+0x112/0x360 [ 75.645453][ T4652] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 75.645483][ T4652] RIP: 0033:0x7f2d53e1e159 [ 75.645502][ T4652] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 75.645574][ T4652] RSP: 002b:00007f2d52856028 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 75.645597][ T4652] RAX: ffffffffffffffda RBX: 00007f2d540a6090 RCX: 00007f2d53e1e159 [ 75.645614][ T4652] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000006a040000 [ 75.645628][ T4652] RBP: 00007f2d53eb506b R08: 0000000000000000 R09: 0000000000000000 [ 75.645643][ T4652] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 75.645691][ T4652] R13: 00007f2d540a6128 R14: 00007f2d540a6090 R15: 00007fffb1cd1f78 [ 75.645745][ T4652] [ 75.663769][ T4652] FAULT_INJECTION: forcing a failure. [ 75.663769][ T4652] name failslab, interval 1, probability 100, space 0, times 0 [ 75.663854][ T4652] CPU: 0 UID: 0 PID: 4652 Comm: syz.3.409 Not tainted syzkaller #0 PREEMPT(lazy) [ 75.663880][ T4652] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 75.663894][ T4652] Call Trace: [ 75.663936][ T4652] [ 75.663946][ T4652] __dump_stack+0x1d/0x30 [ 75.664037][ T4652] dump_stack_lvl+0x95/0xd0 [ 75.664060][ T4652] dump_stack+0x15/0x1b [ 75.664086][ T4652] should_fail_ex+0x262/0x280 [ 75.664112][ T4652] should_failslab+0x8c/0xb0 [ 75.664242][ T4652] kmem_cache_alloc_lru_noprof+0x7f/0x3f0 [ 75.664273][ T4652] ? mqueue_alloc_inode+0x34/0x50 [ 75.664309][ T4652] ? mqueue_alloc_inode+0x34/0x50 [ 75.664334][ T4652] ? __pfx_mqueue_fill_super+0x10/0x10 [ 75.664416][ T4652] ? __pfx_mqueue_alloc_inode+0x10/0x10 [ 75.664495][ T4652] mqueue_alloc_inode+0x34/0x50 [ 75.664523][ T4652] alloc_inode+0x40/0x170 [ 75.664610][ T4652] new_inode+0x1d/0xe0 [ 75.664631][ T4652] ? __pfx_mqueue_fill_super+0x10/0x10 [ 75.664737][ T4652] mqueue_fill_super+0x89/0x1d0 [ 75.664761][ T4652] ? __pfx_mqueue_fill_super+0x10/0x10 [ 75.664802][ T4652] get_tree_nodev+0x83/0x100 [ 75.664830][ T4652] mqueue_get_tree+0x5d/0x80 [ 75.664883][ T4652] vfs_get_tree+0x57/0x1d0 [ 75.664938][ T4652] fc_mount_longterm+0x18/0xb0 [ 75.664967][ T4652] mq_init_ns+0x2db/0x370 [ 75.665046][ T4652] copy_ipcs+0x26d/0x460 [ 75.665072][ T4652] create_new_namespaces+0x121/0x420 [ 75.665176][ T4652] unshare_nsproxy_namespaces+0x115/0x150 [ 75.665263][ T4652] ksys_unshare+0x42b/0x710 [ 75.665335][ T4652] __x64_sys_unshare+0x1f/0x30 [ 75.665363][ T4652] x64_sys_call+0x1e33/0x2550 [ 75.665454][ T4652] do_syscall_64+0x112/0x360 [ 75.665477][ T4652] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 75.665531][ T4652] RIP: 0033:0x7f2d53e1e159 [ 75.665549][ T4652] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 75.665567][ T4652] RSP: 002b:00007f2d52856028 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 75.665590][ T4652] RAX: ffffffffffffffda RBX: 00007f2d540a6090 RCX: 00007f2d53e1e159 [ 75.665605][ T4652] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000006a040000 [ 75.665620][ T4652] RBP: 00007f2d53eb506b R08: 0000000000000000 R09: 0000000000000000 [ 75.665711][ T4652] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 75.665725][ T4652] R13: 00007f2d540a6128 R14: 00007f2d540a6090 R15: 00007fffb1cd1f78 [ 75.665746][ T4652] [ 75.711867][ T29] audit: type=1400 audit(1790062797.279:379): avc: denied { write } for pid=4569 comm="syz.4.378" name="/" dev="loop4" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1 [ 75.903787][ T4649] loop0: detected capacity change from 0 to 512 [ 75.931305][ T4649] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 75.931367][ T4649] ext4 filesystem being mounted at /111/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 75.982406][ T29] audit: type=1400 audit(1790062797.559:380): avc: denied { write } for pid=4644 comm="syz.0.408" name="/" dev="loop0" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1 [ 76.309717][ T4661] bridge_slave_0: Caught tx_queue_len zero misconfig [ 76.590612][ T4661] loop3: detected capacity change from 0 to 512 [ 76.667699][ T4661] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 76.667826][ T4661] ext4 filesystem being mounted at /77/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 76.675388][ T29] audit: type=1400 audit(1790062798.289:381): avc: denied { write } for pid=4660 comm="syz.3.412" name="/" dev="loop3" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1 [ 76.820653][ T29] audit: type=1400 audit(1790062798.429:382): avc: denied { read write } for pid=4673 comm="syz.2.417" name="rdma_cm" dev="devtmpfs" ino=249 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:infiniband_device_t tclass=chr_file permissive=1 [ 76.820749][ T29] audit: type=1400 audit(1790062798.429:383): avc: denied { open } for pid=4673 comm="syz.2.417" path="/dev/infiniband/rdma_cm" dev="devtmpfs" ino=249 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:infiniband_device_t tclass=chr_file permissive=1 [ 76.832459][ T3307] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 76.906203][ T3306] EXT4-fs (loop4): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 77.073611][ T4680] wg1 speed is unknown, defaulting to 1000 [ 77.120771][ T4680] FAULT_INJECTION: forcing a failure. [ 77.120771][ T4680] name failslab, interval 1, probability 100, space 0, times 0 [ 77.120803][ T4680] CPU: 0 UID: 0 PID: 4680 Comm: syz.0.418 Not tainted syzkaller #0 PREEMPT(lazy) [ 77.120834][ T4680] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 77.120848][ T4680] Call Trace: [ 77.120855][ T4680] [ 77.120864][ T4680] __dump_stack+0x1d/0x30 [ 77.120891][ T4680] dump_stack_lvl+0x95/0xd0 [ 77.120915][ T4680] dump_stack+0x15/0x1b [ 77.121010][ T4680] should_fail_ex+0x262/0x280 [ 77.121037][ T4680] ? ipv6_add_dev+0x40d/0xab0 [ 77.121071][ T4680] should_failslab+0x8c/0xb0 [ 77.121182][ T4680] __kmalloc_cache_noprof+0x7a/0x400 [ 77.121283][ T4680] ? ipv6_add_dev+0x351/0xab0 [ 77.121351][ T4680] ? ipv6_add_dev+0x40d/0xab0 [ 77.121426][ T4680] ipv6_add_dev+0x40d/0xab0 [ 77.121451][ T4680] addrconf_notify+0x3ad/0x8e0 [ 77.121488][ T4680] ? __pfx_addrconf_notify+0x10/0x10 [ 77.121519][ T4680] raw_notifier_call_chain+0x72/0x1a0 [ 77.121544][ T4680] ? blake2s_update+0x12b/0x150 [ 77.121641][ T4680] call_netdevice_notifiers+0xb5/0x110 [ 77.121678][ T4680] register_netdevice+0xfbf/0x11a0 [ 77.121712][ T4680] register_netdev+0x3b/0x50 [ 77.121747][ T4680] sit_init_net+0x1ed/0x420 [ 77.121815][ T4680] ops_init+0x22a/0x2e0 [ 77.121868][ T4680] setup_net+0x9f/0x230 [ 77.121896][ T4680] copy_net_ns+0x333/0x490 [ 77.121927][ T4680] create_new_namespaces+0x1f6/0x420 [ 77.121989][ T4680] unshare_nsproxy_namespaces+0x115/0x150 [ 77.122023][ T4680] ksys_unshare+0x42b/0x710 [ 77.122056][ T4680] __x64_sys_unshare+0x1f/0x30 [ 77.122124][ T4680] x64_sys_call+0x1e33/0x2550 [ 77.122214][ T4680] do_syscall_64+0x112/0x360 [ 77.122237][ T4680] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 77.122316][ T4680] RIP: 0033:0x7fda8bc3e159 [ 77.122335][ T4680] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 77.122355][ T4680] RSP: 002b:00007fda8a697028 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 77.122418][ T4680] RAX: ffffffffffffffda RBX: 00007fda8bec5fa0 RCX: 00007fda8bc3e159 [ 77.122434][ T4680] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000006a040000 [ 77.122451][ T4680] RBP: 00007fda8bcd506b R08: 0000000000000000 R09: 0000000000000000 [ 77.122467][ T4680] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 77.122481][ T4680] R13: 00007fda8bec6038 R14: 00007fda8bec5fa0 R15: 00007ffe0d636d38 [ 77.122548][ T4680] [ 77.176158][ T4680] FAULT_INJECTION: forcing a failure. [ 77.176158][ T4680] name failslab, interval 1, probability 100, space 0, times 0 [ 77.176198][ T4680] CPU: 0 UID: 0 PID: 4680 Comm: syz.0.418 Not tainted syzkaller #0 PREEMPT(lazy) [ 77.176228][ T4680] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 77.176262][ T4680] Call Trace: [ 77.176270][ T4680] [ 77.176279][ T4680] __dump_stack+0x1d/0x30 [ 77.176319][ T4680] dump_stack_lvl+0x95/0xd0 [ 77.176343][ T4680] dump_stack+0x15/0x1b [ 77.176362][ T4680] should_fail_ex+0x262/0x280 [ 77.176429][ T4680] ? kobject_get_path+0x92/0x1c0 [ 77.176459][ T4680] should_failslab+0x8c/0xb0 [ 77.176496][ T4680] __kmalloc_noprof+0xd0/0x4d0 [ 77.176559][ T4680] ? kobject_get_path+0x92/0x1c0 [ 77.176582][ T4680] ? should_failslab+0x8c/0xb0 [ 77.176686][ T4680] kobject_get_path+0x92/0x1c0 [ 77.176784][ T4680] kobject_uevent_env+0x1c2/0x560 [ 77.176828][ T4680] ? kernfs_put+0x296/0x2c0 [ 77.176907][ T4680] kobject_uevent+0x1d/0x30 [ 77.176937][ T4680] __kobject_del+0x88/0x190 [ 77.176964][ T4680] kobject_put+0x124/0x180 [ 77.176987][ T4680] netdev_queue_update_kobjects+0x443/0x4b0 [ 77.177095][ T4680] ? nlmsg_notify+0x12e/0x170 [ 77.177132][ T4680] netdev_unregister_kobject+0xba/0x250 [ 77.177217][ T4680] unregister_netdevice_many_notify+0x1195/0x1560 [ 77.177257][ T4680] unregister_netdevice_queue+0x1cd/0x200 [ 77.177308][ T4680] register_netdevice+0x10ab/0x11a0 [ 77.177345][ T4680] register_netdev+0x3b/0x50 [ 77.177367][ T4680] sit_init_net+0x1ed/0x420 [ 77.177407][ T4680] ops_init+0x22a/0x2e0 [ 77.177499][ T4680] setup_net+0x9f/0x230 [ 77.177531][ T4680] copy_net_ns+0x333/0x490 [ 77.177560][ T4680] create_new_namespaces+0x1f6/0x420 [ 77.177682][ T4680] unshare_nsproxy_namespaces+0x115/0x150 [ 77.177721][ T4680] ksys_unshare+0x42b/0x710 [ 77.177755][ T4680] __x64_sys_unshare+0x1f/0x30 [ 77.177847][ T4680] x64_sys_call+0x1e33/0x2550 [ 77.177878][ T4680] do_syscall_64+0x112/0x360 [ 77.177900][ T4680] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 77.177927][ T4680] RIP: 0033:0x7fda8bc3e159 [ 77.177944][ T4680] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 77.178024][ T4680] RSP: 002b:00007fda8a697028 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 77.178050][ T4680] RAX: ffffffffffffffda RBX: 00007fda8bec5fa0 RCX: 00007fda8bc3e159 [ 77.178068][ T4680] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000006a040000 [ 77.178082][ T4680] RBP: 00007fda8bcd506b R08: 0000000000000000 R09: 0000000000000000 [ 77.178095][ T4680] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 77.178108][ T4680] R13: 00007fda8bec6038 R14: 00007fda8bec5fa0 R15: 00007ffe0d636d38 [ 77.178154][ T4680] [ 77.359530][ T29] audit: type=1400 audit(1790062798.869:384): avc: denied { create } for pid=4678 comm="syz.4.420" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=rose_socket permissive=1 [ 77.580532][ T3308] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 77.625111][ T4687] hsr_slave_0: left promiscuous mode [ 77.651237][ T4687] hsr_slave_1: left promiscuous mode [ 77.821167][ T4691] wg1 speed is unknown, defaulting to 1000 [ 77.910873][ T4703] loop4: detected capacity change from 0 to 128 [ 78.434181][ T4710] netlink: 4 bytes leftover after parsing attributes in process `syz.4.427'. [ 78.437286][ T4713] netlink: 8 bytes leftover after parsing attributes in process `syz.2.426'. [ 78.452780][ T4711] netlink: 8 bytes leftover after parsing attributes in process `syz.2.426'. [ 78.488133][ T4698] wg1 speed is unknown, defaulting to 1000 [ 78.523129][ T4688] wg1 speed is unknown, defaulting to 1000 [ 78.536741][ T4711] loop2: detected capacity change from 0 to 1024