last executing test programs: 22.95148516s ago: executing program 0 (id=1): r0 = fsopen(&(0x7f0000000000)='cgroup2\x00', 0x0) fsconfig$FSCONFIG_SET_BINARY(r0, 0x6, 0x0, 0x0, 0x0) prlimit64(0x0, 0xe, 0x0, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) bpf$BPF_BTF_LOAD(0x12, 0x0, 0x0) sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x2) r1 = getpid() sched_setscheduler(r1, 0x1, &(0x7f0000000100)=0x5) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r2, &(0x7f00000004c0)=@file={0x0, './file0\x00'}, 0x6e) sendmmsg$unix(r3, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r2, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setaffinity(r1, 0x8, &(0x7f0000000140)=0x2) keyctl$KEYCTL_PKEY_QUERY(0x18, 0x0, 0x0, &(0x7f0000000080)=' hash=', 0x0) r4 = syz_open_dev$usbfs(&(0x7f0000000480), 0x76, 0x160341) ioctl$USBDEVFS_IOCTL(r4, 0xc0105512, &(0x7f0000000200)) prctl$PR_SET_SECUREBITS(0x1c, 0xb3d6f486854de123) socket$inet6_udplite(0xa, 0x2, 0x88) clock_adjtime(0x0, 0x0) socket$nl_audit(0x10, 0x3, 0x9) unshare(0x18000900) 22.764652364s ago: executing program 1 (id=2): getpid() sched_setaffinity(0x0, 0x0, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) r0 = getpid() sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x2) getdents(0xffffffffffffffff, 0xffffffffffffffff, 0x0) sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x6) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeef, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f0000000380)=@abs={0x0, 0x0, 0x4e21}, 0x6e) sendmmsg$unix(r2, &(0x7f0000000000), 0x400000000000041, 0x0) sched_setaffinity(r0, 0x8, &(0x7f0000000240)=0x2) recvmmsg(r1, &(0x7f0000000040), 0x80002c1, 0x2, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000140)='./file1\x00', 0x200000, &(0x7f00000005c0)={[{@block_validity}, {}, {@sysvgroups}, {@norecovery}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x80}}, {@orlov}, {@nogrpid}, {@noauto_da_alloc}, {@norecovery}]}, 0x1, 0x56a, &(0x7f00000015c0)="$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") r3 = open(&(0x7f00000001c0)='./file1\x00', 0x14927e, 0x68) pivot_root(&(0x7f0000000340)='./file1\x00', &(0x7f0000000300)='./file1\x00') faccessat2(0xffffffffffffffff, 0x0, 0x112, 0x2200) socket$pppl2tp(0x18, 0x1, 0x1) r4 = syz_clone(0xa1c68400, 0x0, 0x0, 0x0, 0x0, 0x0) r5 = syz_pidfd_open(r4, 0x0) syz_usb_disconnect(0xffffffffffffffff) setns(r5, 0x10000000) socket$inet6_udp(0xa, 0x2, 0x0) r6 = syz_genetlink_get_family_id$mptcp(&(0x7f0000000100), r3) sendmsg$MPTCP_PM_CMD_GET_LIMITS(r3, &(0x7f00000004c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000480)={&(0x7f0000000400)={0x48, r6, 0x102, 0x70bd27, 0x25dfdbff, {}, [@MPTCP_PM_ATTR_TOKEN={0x8, 0x4, 0x1}, @MPTCP_PM_ATTR_ADDR_REMOTE={0x24, 0x6, 0x0, 0x1, [@MPTCP_PM_ADDR_ATTR_PORT={0x6, 0x5, 0x4e21}, @MPTCP_PM_ADDR_ATTR_PORT={0x6, 0x5, 0x4e21}, @MPTCP_PM_ADDR_ATTR_FLAGS={0x8}, @MPTCP_PM_ADDR_ATTR_IF_IDX={0x8}]}, @MPTCP_PM_ATTR_LOC_ID={0x5, 0x5, 0x9}]}, 0x48}, 0x1, 0x0, 0x0, 0x80}, 0x0) 22.749253755s ago: executing program 2 (id=3): r0 = syz_open_dev$loop(&(0x7f0000000280), 0x10, 0x80082) socket$nl_netfilter(0x10, 0x3, 0xc) socket$inet6_tcp(0xa, 0x1, 0x0) syz_open_dev$evdev(&(0x7f000001fa80), 0x20000000, 0x0) r1 = openat$cgroup_ro(0xffffffffffffffff, &(0x7f00000001c0)='net_prio.prioidx\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f0000000000), 0x208e24b) ioctl$BLKPG(r0, 0x1269, &(0x7f0000000180)={0x2, 0x0, 0x98, &(0x7f00000000c0)={0x5, 0x3, 0x4}}) syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2) syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0) syz_mount_image$fuse(&(0x7f0000002040), &(0x7f0000002080)='./file0\x00', 0x1, &(0x7f00000043c0)=ANY=[@ANYBLOB='fd=', @ANYRESHEX, @ANYRESDEC=0x0, @ANYBLOB="2c67726f75705f69643d2d61d94c09e6ad6560d062e120ccf8f3ff53c49da7439a667bb9de4cee7e7dc78a815a4c3a5bd507f0a20c1fe1d4e9", @ANYRESDEC=r1, @ANYBLOB=',\x00'], 0x0, 0x0, 0x0) syz_fuse_handle_req(0xffffffffffffffff, &(0x7f0000006180)="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", 0x2000, &(0x7f0000002140)={&(0x7f0000001580)={0x50, 0xfffffffffffffff5, 0x3, {0x7, 0x29, 0x83, 0x10000000, 0xc0f7, 0x9, 0x8, 0x87fff, 0x0, 0x0, 0x80, 0x1}}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r2 = getpid() sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x2) sched_setscheduler(r2, 0x2, &(0x7f0000000200)=0x4) r3 = openat$fuse(0xffffffffffffff9c, &(0x7f0000000180), 0x2, 0x0) read$FUSE(r3, &(0x7f0000000780)={0x2020}, 0x2020) r4 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0) read$msr(r4, &(0x7f0000032680)=""/102392, 0x18ff8) sched_setaffinity(0x0, 0xfffffef7, &(0x7f0000000740)=0x410000002) r5 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000080)='/sys/power/resume', 0x149a82, 0x80) write$cgroup_int(r5, &(0x7f0000000040)=0x800000000001e8, 0x12) r6 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r6, 0x8933, &(0x7f0000000000)={'lo\x00', 0x0}) sendmsg$nl_route(r6, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)=ANY=[@ANYBLOB="400000001400190126bd7000f5dbdf250a0819", @ANYRES32=r7, @ANYBLOB="140001000000000000000000000000000000000115000607000000400006"], 0x40}, 0x1, 0x0, 0x0, 0x4c051}, 0x8004) r8 = syz_io_uring_setup(0x952, &(0x7f0000000240), &(0x7f0000000140), &(0x7f0000000080), &(0x7f0000000000)) io_uring_register$IORING_REGISTER_EVENTFD(r8, 0x4, 0x0, 0x7ffffffe) socket$inet(0x2, 0x802, 0x1) 22.400244843s ago: executing program 2 (id=6): r0 = socket(0x10, 0x803, 0x0) r1 = socket$unix(0x1, 0x1, 0x0) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000100)={'team_slave_1\x00', 0x0}) sendmsg$nl_route_sched(r0, &(0x7f00000012c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000180)=@newqdisc={0x48, 0x24, 0x4ee4e6a52ff56541, 0x70bd25, 0x25dfdbfe, {0x0, 0x0, 0x0, r2, {0x0, 0xfff1}, {0xffff, 0xffff}, {0xffe0, 0xfff3}}, [@qdisc_kind_options=@q_htb={{0x8}, {0x1c, 0x2, [@TCA_HTB_INIT={0x18, 0x2, {0x3, 0x4, 0x3c}}]}}]}, 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000700)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000740)=@newtfilter={0xb0, 0x2c, 0xd2b, 0x70bd2b, 0x25dfdbfb, {0x0, 0x0, 0x0, r2, {0xf}, {}, {0xb, 0xfff3}}, [@filter_kind_options=@f_u32={{0x8}, {0x7c, 0x2, [@TCA_U32_ACT={0x54, 0x7, [@m_skbedit={0x50, 0x1, 0x0, 0x0, {{0xc}, {0x24, 0x2, 0x0, 0x1, [@TCA_SKBEDIT_PRIORITY={0x8, 0x3, {0xf, 0x3}}, @TCA_SKBEDIT_PARMS={0x18, 0x2, {0x6, 0x9, 0x20000000, 0x1, 0xd6}}]}, {0x4}, {0xc, 0x7, {0x1, 0x1}}, {0xc, 0x8, {0x1, 0x3}}}}]}, @TCA_U32_SEL={0x24, 0x5, {0x8, 0x7, 0x1, 0x3d3f, 0x0, 0xfff, 0x3, 0x58f, [{0x2, 0x20008000, 0x4, 0x1}]}}]}}, @TCA_RATE={0x6, 0x5, {0x7f, 0xe}}]}, 0xb0}, 0x1, 0x0, 0x0, 0x1}, 0x0) 22.371761864s ago: executing program 3 (id=4): r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200), 0x2100, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x2) ioctl$KVM_GET_VCPU_MMAP_SIZE(r0, 0xae04) ioctl$KVM_IRQ_LINE(r1, 0x4008ae61, &(0x7f0000000000)={0x0, 0x4}) syz_memcpy_off$KVM_EXIT_HYPERCALL(0x0, 0x20, 0x0, 0x0, 0x0) 22.369161054s ago: executing program 4 (id=5): r0 = openat$kvm(0xffffff9c, &(0x7f0000000540), 0x8000, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$KVM_REGISTER_COALESCED_MMIO(r1, 0x4010ae67, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./sys\x00', &(0x7f0000000040)='sysfs\x00', 0x0, 0x0) r3 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/kvm/parameters/nx_huge_pages\x00', 0x2, 0x0) write(r3, &(0x7f0000000200)='force', 0x5) 22.364373874s ago: executing program 2 (id=7): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./proc\x00', &(0x7f00000000c0)='proc\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./proc/sys/net/ipv4/ip_forward\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='1', 0x1) syz_emit_ethernet(0x2a, &(0x7f0000000200)={@local, @remote, @void, {@ipv4={0x800, @icmp={{0x5, 0x4, 0x0, 0x0, 0x1c, 0x0, 0x0, 0x40, 0x1, 0x0, @private=0xa010101, @private=0xa010102}, @echo={0x8, 0x0, 0x0, 0x1, 0x1}}}}}, 0x0) 22.285501206s ago: executing program 2 (id=8): syz_mount_image$ext4(&(0x7f0000000100)='ext4\x00', &(0x7f0000000180)='./file1\x00', 0x2000c16, &(0x7f0000000280)={[{@usrquota}, {@nodelalloc}]}, 0xff, 0x25e, &(0x7f0000000e80)="$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") r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./bus\x00', 0x800c4, 0xf7) r1 = openat(0xffffffffffffff9c, &(0x7f0000004400)='./bus\x00', 0x1c1202, 0xc2) write$FUSE_IOCTL(r1, &(0x7f00000000c0)={0x20, 0xffffffffffffffda, 0x0, {0x5, 0x4, 0x408, 0xe3}}, 0x20) sendfile(r1, r0, 0x0, 0x3ffff) sendfile(r1, r0, 0x0, 0x7ffff000) 22.261565757s ago: executing program 3 (id=9): syz_mount_image$ext4(&(0x7f00000002c0)='ext4\x00', &(0x7f0000000700)='./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\x00', 0x0, &(0x7f00000012c0), 0xfe, 0x255, &(0x7f00000009c0)="$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") r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x101842, 0x0) r1 = socket(0x1, 0x2, 0x0) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, &(0x7f0000cab000)=0xc) setresuid(0x0, r2, r2) ioctl$EXT4_IOC_MIGRATE(r0, 0x6609) 22.1058477s ago: executing program 4 (id=10): r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$KVM_CAP_MANUAL_DIRTY_LOG_PROTECT2(r1, 0x4068aea3, &(0x7f0000000000)={0xa8, 0x0, 0x3}) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000000100)={0x0, 0x0, 0x0, 0x200000, &(0x7f0000200000/0x200000)=nil}) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_PRE_FAULT_MEMORY(r2, 0xc040aed5, &(0x7f0000000200)={0x0, 0x200000}) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000000100)={0x0, 0x1, 0xfffa7000, 0x200000, &(0x7f0000200000/0x200000)=nil}) ioctl$KVM_CLEAR_DIRTY_LOG(r1, 0xc018aec0, &(0x7f0000000300)={0x0, 0x200, 0x0, &(0x7f0000000400)=[0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0x2a, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xfffffffffffffffc, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0x200, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0x10001, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0x1, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xf7ffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xaa, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}) 21.880001226s ago: executing program 4 (id=11): r0 = socket$nl_sock_diag(0x10, 0x3, 0x4) sendmsg$TCPDIAG_GETSOCK(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f00000000c0)={0x0}}, 0x0) r1 = socket$inet_tcp(0x2, 0x1, 0x0) bind$inet(r1, &(0x7f0000000280)={0x2, 0x4e21, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r1, 0x6, 0xd, &(0x7f0000000200)='hybla', 0x5) connect$inet(r1, &(0x7f0000000180)={0x2, 0x4e21, @local}, 0x10) r2 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000100)={'lo\x00', 0x0}) sendmsg$nl_route_sched(r2, &(0x7f00000012c0)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000740)=@newqdisc={0x4c, 0x24, 0x4ee4e6a52ff56541, 0x40000, 0x25dfdbfb, {0x0, 0x0, 0x0, r3, {0x0, 0xb}, {0xffff, 0xffff}, {0x3, 0xfff3}}, [@qdisc_kind_options=@q_netem={{0xa}, {0x1c, 0x2, {{0x6, 0x6b5, 0x80, 0x0, 0x1, 0x91b1}}}}]}, 0x4c}, 0x1, 0x0, 0x0, 0x4000400}, 0x24000000) sendto$inet(r1, &(0x7f0000000900)="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", 0xffffff5d, 0x12, 0x0, 0x0) recvfrom$inet(r1, &(0x7f0000000080), 0xffffffffffffffa9, 0xc9100120, 0x0, 0x1500) 21.606110863s ago: executing program 3 (id=12): r0 = add_key$keyring(&(0x7f0000000000), &(0x7f0000000040)={'syz', 0x3}, 0x0, 0x0, 0xffffffffffffffff) keyctl$clear(0x7, r0) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./dbg\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./dbg\x00', &(0x7f0000000040)='debugfs\x00', 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./dbg/failslab/ignore-gfp-wait\x00', 0x1, 0x0) write(r1, &(0x7f00000000c0)='N\x00', 0x1) r2 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./dbg/failslab/times\x00', 0x1, 0x0) setsockopt$XDP_RX_RING(r1, 0x11b, 0x2, &(0x7f0000000680)=0x1130581, 0x4) write(r2, &(0x7f0000000140)='1000\x00', 0x4) r3 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./dbg/failslab/space\x00', 0x8001, 0xc1) write(r3, &(0x7f00000001c0)='0\x00', 0x1) r4 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000240), 0x0, 0x0) r5 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./dbg/failslab/probability\x00', 0x1, 0x0) write(r5, &(0x7f0000000280)='1\x00', 0x1) ioctl$KVM_CREATE_VM(r4, 0xae01, 0x0) unshare(0xa000400) syz_mount_image$ext4(&(0x7f00000000c0)='ext4\x00', &(0x7f0000000040)='./bus\x00', 0x0, &(0x7f00000001c0)={[{@resgid}, {@barrier_val={'barrier', 0x3d, 0x2}}, {@oldalloc}]}, 0x1, 0x400, &(0x7f0000000280)="$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") r6 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='hugetlb.2MB.usage_in_bytes\x00', 0x275a, 0x0) write$binfmt_script(r6, &(0x7f0000000780)={'#! ', './file0', [], 0xa, "14369afd9845f99c94b94f5a16b48fe862b18b5b66068a37565a6a9ba7ff235fdee7d61f5bc28914df6dfd94bc86b23047a5"}, 0x3d) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x280000b, 0x28011, r6, 0x0) madvise(&(0x7f0000000000/0x600000)=nil, 0x600000, 0x9) syz_mount_image$fuse(0x0, &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) r7 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r7, 0x29, 0x20, &(0x7f0000000280)={@mcast2, 0x800, 0x0, 0x103, 0x1}, 0x20) unshare(0x44040000) 21.343812969s ago: executing program 0 (id=13): r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000004c0)=ANY=[@ANYBLOB="18000000260001031dbd7002fadbdf25010000000400ae"], 0x18}}, 0x0) recvmmsg(r0, &(0x7f0000002200)=[{{0x0, 0x0, 0x0}, 0x80}, {{0x0, 0x0, 0x0}, 0x2}, {{0x0, 0x0, 0x0}, 0x2}, {{0x0, 0x0, &(0x7f0000002180)=[{&(0x7f0000000dc0)=""/242, 0xf2}, {&(0x7f0000000ec0)=""/44, 0x2c}, {&(0x7f0000000f00)=""/4090, 0xffa}, {&(0x7f0000001f00)=""/104, 0x68}, {&(0x7f0000001f80)=""/255, 0xff}, {&(0x7f0000002080)=""/189, 0xbd}], 0x6}, 0x1}], 0x4, 0x0, 0x0) 1.245404709s ago: executing program 1 (id=14): r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NL80211_CMD_NEW_KEY(0xffffffffffffffff, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000000)={0x1c, 0x0, 0x0, 0x0, 0x0, {{}, {@val={0x8}, @void}}}, 0x1c}}, 0x4000004) ioctl$sock_SIOCBRDELBR(r0, 0x89a2, &(0x7f0000000000)='bridge0\x00') syz_emit_ethernet(0x32, &(0x7f0000000400)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0xc}, @random="6ab0bd0aa27a", @void, {@ipv4={0x8864, @dccp={{0x5, 0x4, 0x2, 0x1, 0x24, 0x67, 0x21, 0x2, 0x21, 0x0, @broadcast, @broadcast}, {{0x4e20, 0x4e24, 0x4, 0x1, 0x2, 0x0, 0x0, 0x6, 0x4, "c1134b", 0xa, '2`D'}}}}}}, 0x0) fsconfig$FSCONFIG_CMD_CREATE(0xffffffffffffffff, 0x6, 0x0, 0x0, 0x0) 0s ago: executing program 32 (id=13): r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000004c0)=ANY=[@ANYBLOB="18000000260001031dbd7002fadbdf25010000000400ae"], 0x18}}, 0x0) recvmmsg(r0, &(0x7f0000002200)=[{{0x0, 0x0, 0x0}, 0x80}, {{0x0, 0x0, 0x0}, 0x2}, {{0x0, 0x0, 0x0}, 0x2}, {{0x0, 0x0, &(0x7f0000002180)=[{&(0x7f0000000dc0)=""/242, 0xf2}, {&(0x7f0000000ec0)=""/44, 0x2c}, {&(0x7f0000000f00)=""/4090, 0xffa}, {&(0x7f0000001f00)=""/104, 0x68}, {&(0x7f0000001f80)=""/255, 0xff}, {&(0x7f0000002080)=""/189, 0xbd}], 0x6}, 0x1}], 0x4, 0x0, 0x0) kernel console output (not intermixed with test programs): 00/0x500 [ 39.648302][ T333] ? __kasan_kmalloc+0xe6/0x100 [ 39.653167][ T333] ? __kasan_kmalloc+0xd4/0x100 [ 39.658027][ T333] ? __kmalloc+0x13d/0x2c0 [ 39.662460][ T333] ? iter_file_splice_write+0x19f/0xce0 [ 39.668023][ T333] ? direct_splice_actor+0xe9/0x120 [ 39.673237][ T333] ? splice_direct_to_actor+0x4d8/0xb40 [ 39.678813][ T333] ? do_splice_direct+0x1c2/0x2d0 [ 39.683855][ T333] do_iter_readv_writev+0x477/0x5f0 [ 39.689069][ T333] ? generic_file_rw_checks+0x2a0/0x2a0 [ 39.694627][ T333] ? fsnotify_perm+0x67/0x5b0 [ 39.699317][ T333] ? security_file_permission+0x79/0xa0 [ 39.704874][ T333] ? security_file_permission+0x83/0xa0 [ 39.710434][ T333] do_iter_write+0x207/0x7b0 [ 39.715068][ T333] vfs_iter_write+0x7d/0xa0 [ 39.719767][ T333] iter_file_splice_write+0x6b1/0xce0 [ 39.725280][ T333] ? splice_from_pipe+0x180/0x180 [ 39.730331][ T333] ? generic_file_splice_read+0x460/0x5f0 [ 39.736093][ T333] ? splice_shrink_spd+0xb0/0xb0 [ 39.741067][ T333] ? __kasan_check_read+0x11/0x20 [ 39.746113][ T333] ? fsnotify_perm+0x269/0x5b0 [ 39.750899][ T333] ? splice_from_pipe+0x180/0x180 [ 39.755966][ T333] direct_splice_actor+0xe9/0x120 [ 39.761000][ T333] splice_direct_to_actor+0x4d8/0xb40 [ 39.766391][ T333] ? do_splice_direct+0x2d0/0x2d0 [ 39.771426][ T333] ? pipe_to_sendpage+0x320/0x320 [ 39.776462][ T333] ? do_splice_direct+0x1a3/0x2d0 [ 39.781495][ T333] ? do_splice_direct+0x2d0/0x2d0 [ 39.786539][ T333] do_splice_direct+0x1c2/0x2d0 [ 39.791500][ T333] ? splice_direct_to_actor+0xb40/0xb40 [ 39.797072][ T333] ? security_file_permission+0x83/0xa0 [ 39.802653][ T333] do_sendfile+0x515/0xe20 [ 39.807095][ T333] ? do_preadv+0x390/0x390 [ 39.811614][ T333] ? __se_sys_futex+0x135/0x330 [ 39.816493][ T333] __x64_sys_sendfile64+0x199/0x1f0 [ 39.821715][ T333] ? __ia32_sys_sendfile+0x190/0x190 [ 39.827106][ T333] ? __kasan_check_write+0x14/0x20 [ 39.832572][ T333] ? switch_fpu_return+0x15d/0x2c0 [ 39.837723][ T333] x64_sys_call+0x88d/0x9a0 [ 39.842261][ T333] do_syscall_64+0x4c/0xa0 [ 39.846695][ T333] ? clear_bhb_loop+0x50/0xa0 [ 39.851408][ T333] ? clear_bhb_loop+0x50/0xa0 [ 39.856096][ T333] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 39.862003][ T333] RIP: 0033:0x7feae951ce99 [ 39.866447][ T333] 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 [ 39.886240][ T333] RSP: 002b:00007feae7f76028 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 39.894666][ T333] RAX: ffffffffffffffda RBX: 00007feae97a4fa0 RCX: 00007feae951ce99 [ 39.902651][ T333] RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000005 [ 39.910631][ T333] RBP: 00007feae95b2eaf R08: 0000000000000000 R09: 0000000000000000 [ 39.918854][ T333] R10: 000000000003ffff R11: 0000000000000246 R12: 0000000000000000 [ 39.926872][ T333] R13: 00007feae97a5038 R14: 00007feae97a4fa0 R15: 00007fffd23b1778 [ 39.934873][ T333] [ 39.937958][ T290] CPU: 0 PID: 290 Comm: syz-executor Not tainted syzkaller #0 [ 39.939081][ C1] FAULT_INJECTION: forcing a failure. [ 39.939081][ C1] name failslab, interval 1, probability 1, space 0, times 981 [ 39.945454][ T290] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 39.945468][ T290] Call Trace: [ 39.945474][ T290] [ 39.945481][ T290] __dump_stack+0x21/0x30 [ 39.979427][ T290] dump_stack_lvl+0x110/0x170 [ 39.984132][ T290] ? show_regs_print_info+0x20/0x20 [ 39.989351][ T290] ? prandom_u32+0x24d/0x290 [ 39.993952][ T290] dump_stack+0x15/0x20 [ 39.998117][ T290] should_fail+0x3ab/0x500 [ 40.002672][ T290] __should_failslab+0xa4/0xe0 [ 40.007557][ T290] should_failslab+0x9/0x20 [ 40.012078][ T290] slab_pre_alloc_hook+0x39/0xd0 [ 40.017034][ T290] ? getname_flags+0xba/0x510 [ 40.021871][ T290] kmem_cache_alloc+0x44/0x260 [ 40.026659][ T290] ? __x64_sys_umount+0x12d/0x170 [ 40.031802][ T290] getname_flags+0xba/0x510 [ 40.036347][ T290] ? debug_smp_processor_id+0x17/0x20 [ 40.041747][ T290] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 40.047859][ T290] __x64_sys_unlink+0x3c/0x50 [ 40.052582][ T290] x64_sys_call+0x878/0x9a0 [ 40.057190][ T290] do_syscall_64+0x4c/0xa0 [ 40.061626][ T290] ? clear_bhb_loop+0x50/0xa0 [ 40.066495][ T290] ? clear_bhb_loop+0x50/0xa0 [ 40.071532][ T290] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 40.077720][ T290] RIP: 0033:0x7f9c90647f87 [ 40.082278][ T290] Code: 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 57 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 [ 40.102683][ T290] RSP: 002b:00007ffd058e1fe8 EFLAGS: 00000206 ORIG_RAX: 0000000000000057 [ 40.111116][ T290] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9c90647f87 [ 40.119533][ T290] RDX: 00007ffd058e2010 RSI: 00007ffd058e20a0 RDI: 00007ffd058e20a0 [ 40.127532][ T290] RBP: 00007ffd058e20a0 R08: 00007ffd058e30a0 R09: 00000000ffffffff [ 40.135607][ T290] R10: 0000000000000100 R11: 0000000000000206 R12: 00007ffd058e3130 [ 40.143591][ T290] R13: 00007f9c906de30a R14: 0000000000006c66 R15: 00007ffd058e3170 [ 40.151602][ T290] [ 40.154638][ C1] CPU: 1 PID: 333 Comm: syz.2.8 Not tainted syzkaller #0 [ 40.161689][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 40.168117][ T278] FAULT_INJECTION: forcing a failure. [ 40.168117][ T278] name failslab, interval 1, probability 1, space 0, times 980 [ 40.171914][ C1] Call Trace: [ 40.171926][ C1] [ 40.190909][ C1] __dump_stack+0x21/0x30 [ 40.195614][ C1] dump_stack_lvl+0x110/0x170 [ 40.200710][ C1] ? show_regs_print_info+0x20/0x20 [ 40.206447][ C1] ? prandom_u32+0x24d/0x290 [ 40.211569][ C1] dump_stack+0x15/0x20 [ 40.215761][ C1] should_fail+0x3ab/0x500 [ 40.220195][ C1] __should_failslab+0xa4/0xe0 [ 40.225333][ C1] should_failslab+0x9/0x20 [ 40.229857][ C1] slab_pre_alloc_hook+0x39/0xd0 [ 40.234813][ C1] ? __alloc_skb+0xe4/0x730 [ 40.239342][ C1] kmem_cache_alloc+0x44/0x260 [ 40.244161][ C1] __alloc_skb+0xe4/0x730 [ 40.248508][ C1] ndisc_send_rs+0x310/0x960 [ 40.253140][ C1] addrconf_rs_timer+0x35a/0x600 [ 40.258279][ C1] ? addrconf_disable_policy_idev+0x360/0x360 [ 40.264385][ C1] ? _raw_spin_lock_irq+0x95/0xf0 [ 40.269444][ C1] ? _raw_spin_lock_irqsave+0x130/0x130 [ 40.275022][ C1] ? addrconf_disable_policy_idev+0x360/0x360 [ 40.281212][ C1] call_timer_fn+0x38/0x290 [ 40.285732][ C1] ? addrconf_disable_policy_idev+0x360/0x360 [ 40.292006][ C1] __run_timers+0x637/0x9a0 [ 40.296550][ C1] ? calc_index+0x200/0x200 [ 40.301252][ C1] ? sched_clock_cpu+0x18/0x3d0 [ 40.306142][ C1] run_timer_softirq+0x6a/0xf0 [ 40.310979][ C1] handle_softirqs+0x250/0x560 [ 40.315795][ C1] ? irqtime_account_irq+0xbe/0x390 [ 40.322319][ C1] __irq_exit_rcu+0x52/0xf0 [ 40.326869][ C1] irq_exit_rcu+0x9/0x10 [ 40.331136][ C1] sysvec_apic_timer_interrupt+0xa9/0xc0 [ 40.336784][ C1] [ 40.339731][ C1] [ 40.342694][ C1] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 40.348689][ C1] RIP: 0010:preempt_schedule_irq+0xa5/0x120 [ 40.355553][ C1] Code: 44 24 20 00 02 00 00 43 c6 44 37 04 f8 74 0b 0f 0b 48 f7 03 08 00 00 00 74 4d bf 01 00 00 00 e8 11 4d 95 fc fb bf 01 00 00 00 76 e4 ff ff fa bf 01 00 00 00 e8 ab 4e 95 fc 65 48 8b 1d 13 f7 [ 40.364206][ C0] FAULT_INJECTION: forcing a failure. [ 40.364206][ C0] name failslab, interval 1, probability 1, space 0, times 980 [ 40.381058][ C1] RSP: 0018:ffffc9000791e9c0 EFLAGS: 00000246 [ 40.381086][ C1] RAX: 1ffff11021a97b36 RBX: ffffc9000791ea98 RCX: ffffffff870cbf00 [ 40.381103][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 40.415856][ C1] RBP: ffffc9000791ea48 R08: ffff88810d4bcf07 R09: 1ffff11021a979e0 [ 40.423841][ C1] R10: dffffc0000000000 R11: ffffed1021a979e1 R12: 0000000000000000 [ 40.431851][ C1] R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff92000f23d38 [ 40.439841][ C1] ? __cond_resched+0xd0/0xd0 [ 40.444541][ C1] irqentry_exit_cond_resched+0x29/0x30 [ 40.450105][ C1] irqentry_exit+0x37/0x40 [ 40.454536][ C1] sysvec_reschedule_ipi+0x78/0x80 [ 40.459750][ C1] asm_sysvec_reschedule_ipi+0x1b/0x20 [ 40.465227][ C1] RIP: 0010:dump_stack_lvl+0x144/0x170 [ 40.470715][ C1] Code: e6 00 02 00 00 31 ff e8 3a 97 be fc 49 81 e5 00 02 00 00 75 07 e8 ec 92 be fc eb 06 e8 e5 92 be fc fb 48 c7 04 24 0e 36 e0 45 <4b> c7 04 27 00 00 00 00 65 48 8b 04 25 28 00 00 00 48 3b 44 24 40 [ 40.490332][ C1] RSP: 0018:ffffc9000791eb40 EFLAGS: 00000246 [ 40.496417][ C1] RAX: ffffffff84ab23fb RBX: ffffffff8564bda0 RCX: 0000000000080000 [ 40.504401][ C1] RDX: ffffc9000230f000 RSI: 000000000007ffff RDI: 0000000000080000 [ 40.512735][ C1] RBP: ffffc9000791ebd8 R08: 0000000000000003 R09: 0000000000000004 [ 40.520723][ C1] R10: dffffc0000000000 R11: fffffbfff0ce23f0 R12: dffffc0000000000 [ 40.528807][ C1] R13: 0000000000000200 R14: dffffc0000000004 R15: 1ffff92000f23d68 [ 40.536796][ C1] ? dump_stack_lvl+0x13b/0x170 [ 40.541663][ C1] ? show_regs_print_info+0x20/0x20 [ 40.546876][ C1] dump_stack+0x15/0x20 [ 40.551125][ C1] should_fail+0x3ab/0x500 [ 40.555553][ C1] __should_failslab+0xa4/0xe0 [ 40.560354][ C1] should_failslab+0x9/0x20 [ 40.564867][ C1] slab_pre_alloc_hook+0x39/0xd0 [ 40.569818][ C1] ? ext4_init_io_end+0x29/0x130 [ 40.574766][ C1] kmem_cache_alloc+0x44/0x260 [ 40.579547][ C1] ext4_init_io_end+0x29/0x130 [ 40.584320][ C1] ext4_writepages+0xb25/0x30a0 [ 40.589190][ C1] ? ext4_inode_csum+0x57f/0x8a0 [ 40.594142][ C1] ? ext4_readpage+0x220/0x220 [ 40.599265][ C1] ? __kasan_check_read+0x11/0x20 [ 40.604325][ C1] ? ext4_block_write_begin+0xd3c/0x10a0 [ 40.609977][ C1] ? __getblk_gfp+0x42/0x7d0 [ 40.614595][ C1] ? __ext4_handle_dirty_metadata+0x2d2/0x7e0 [ 40.620682][ C1] ? ext4_readpage+0x220/0x220 [ 40.625552][ C1] do_writepages+0x476/0x6d0 [ 40.630158][ C1] ? __writepage+0x130/0x130 [ 40.634771][ C1] ? __kasan_check_write+0x14/0x20 [ 40.639904][ C1] ? _raw_spin_lock+0x94/0xf0 [ 40.644606][ C1] ? _raw_spin_unlock+0x4d/0x70 [ 40.649473][ C1] filemap_fdatawrite_wbc+0x1f4/0x250 [ 40.654882][ C1] file_write_and_wait_range+0x14d/0x220 [ 40.660549][ C1] ? balance_dirty_pages_ratelimited+0x86c/0x1000 [ 40.667383][ C1] ? __filemap_set_wb_err+0x110/0x110 [ 40.672791][ C1] ext4_sync_file+0x1ad/0xa40 [ 40.677498][ C1] vfs_fsync_range+0x171/0x180 [ 40.682412][ C1] ext4_buffered_write_iter+0x595/0x630 [ 40.688003][ C1] ext4_file_write_iter+0x427/0x1530 [ 40.693350][ C1] ? stack_trace_save+0xa6/0xf0 [ 40.698468][ C1] ? __stack_depot_save+0x34/0x480 [ 40.703614][ C1] ? ext4_file_read_iter+0x500/0x500 [ 40.708939][ C1] ? __kasan_kmalloc+0xe6/0x100 [ 40.713810][ C1] ? __kasan_kmalloc+0xd4/0x100 [ 40.718678][ C1] ? __kmalloc+0x13d/0x2c0 [ 40.723115][ C1] ? iter_file_splice_write+0x19f/0xce0 [ 40.728688][ C1] ? direct_splice_actor+0xe9/0x120 [ 40.733903][ C1] ? splice_direct_to_actor+0x4d8/0xb40 [ 40.739476][ C1] ? do_splice_direct+0x1c2/0x2d0 [ 40.745292][ C1] do_iter_readv_writev+0x477/0x5f0 [ 40.750502][ C1] ? generic_file_rw_checks+0x2a0/0x2a0 [ 40.756082][ C1] ? fsnotify_perm+0x67/0x5b0 [ 40.760805][ C1] ? security_file_permission+0x79/0xa0 [ 40.766384][ C1] ? security_file_permission+0x83/0xa0 [ 40.771956][ C1] do_iter_write+0x207/0x7b0 [ 40.776558][ C1] vfs_iter_write+0x7d/0xa0 [ 40.781079][ C1] iter_file_splice_write+0x6b1/0xce0 [ 40.786469][ C1] ? splice_from_pipe+0x180/0x180 [ 40.791512][ C1] ? generic_file_splice_read+0x460/0x5f0 [ 40.797251][ C1] ? splice_shrink_spd+0xb0/0xb0 [ 40.802210][ C1] ? __kasan_check_read+0x11/0x20 [ 40.807250][ C1] ? fsnotify_perm+0x269/0x5b0 [ 40.812027][ C1] ? splice_from_pipe+0x180/0x180 [ 40.817065][ C1] direct_splice_actor+0xe9/0x120 [ 40.822104][ C1] splice_direct_to_actor+0x4d8/0xb40 [ 40.827493][ C1] ? do_splice_direct+0x2d0/0x2d0 [ 40.832532][ C1] ? pipe_to_sendpage+0x320/0x320 [ 40.837571][ C1] ? do_splice_direct+0x1a3/0x2d0 [ 40.842693][ C1] ? do_splice_direct+0x2d0/0x2d0 [ 40.847749][ C1] do_splice_direct+0x1c2/0x2d0 [ 40.852638][ C1] ? splice_direct_to_actor+0xb40/0xb40 [ 40.858225][ C1] ? security_file_permission+0x83/0xa0 [ 40.864270][ C1] do_sendfile+0x515/0xe20 [ 40.870112][ C1] ? do_preadv+0x390/0x390 [ 40.874557][ C1] ? __se_sys_futex+0x135/0x330 [ 40.879427][ C1] __x64_sys_sendfile64+0x199/0x1f0 [ 40.884640][ C1] ? __ia32_sys_sendfile+0x190/0x190 [ 40.889955][ C1] ? __kasan_check_write+0x14/0x20 [ 40.895085][ C1] ? switch_fpu_return+0x15d/0x2c0 [ 40.900211][ C1] x64_sys_call+0x88d/0x9a0 [ 40.904986][ C1] do_syscall_64+0x4c/0xa0 [ 40.909450][ C1] ? clear_bhb_loop+0x50/0xa0 [ 40.914155][ C1] ? clear_bhb_loop+0x50/0xa0 [ 40.919044][ C1] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 40.924963][ C1] RIP: 0033:0x7feae951ce99 [ 40.929416][ C1] 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 [ 40.949284][ C1] RSP: 002b:00007feae7f76028 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 40.958733][ C1] RAX: ffffffffffffffda RBX: 00007feae97a4fa0 RCX: 00007feae951ce99 [ 40.966735][ C1] RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000005 [ 40.975329][ C1] RBP: 00007feae95b2eaf R08: 0000000000000000 R09: 0000000000000000 [ 40.983319][ C1] R10: 000000000003ffff R11: 0000000000000246 R12: 0000000000000000 [ 40.991580][ C1] R13: 00007feae97a5038 R14: 00007feae97a4fa0 R15: 00007fffd23b1778 [ 40.999588][ C1] [ 41.002623][ C0] CPU: 0 PID: 6 Comm: kworker/0:0 Not tainted syzkaller #0 [ 41.004646][ C1] FAULT_INJECTION: forcing a failure. [ 41.004646][ C1] name failslab, interval 1, probability 1, space 0, times 979 [ 41.009847][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 41.032680][ C0] Workqueue: mld mld_dad_work [ 41.037381][ C0] Call Trace: [ 41.040669][ C0] [ 41.043525][ C0] __dump_stack+0x21/0x30 [ 41.049404][ C0] dump_stack_lvl+0x110/0x170 [ 41.054290][ C0] ? show_regs_print_info+0x20/0x20 [ 41.059531][ C0] ? prandom_u32+0x24d/0x290 [ 41.064137][ C0] dump_stack+0x15/0x20 [ 41.068313][ C0] should_fail+0x3ab/0x500 [ 41.072747][ C0] ? wg_packet_send_keepalive+0x62/0x1c0 [ 41.078407][ C0] __should_failslab+0xa4/0xe0 [ 41.083329][ C0] should_failslab+0x9/0x20 [ 41.087912][ C0] slab_pre_alloc_hook+0x39/0xd0 [ 41.092874][ C0] ? wg_packet_send_keepalive+0x62/0x1c0 [ 41.098693][ C0] ? wg_packet_send_keepalive+0x62/0x1c0 [ 41.104352][ C0] __kmalloc_track_caller+0x6c/0x2c0 [ 41.109662][ C0] ? wg_packet_send_keepalive+0x62/0x1c0 [ 41.115411][ C0] ? wg_packet_send_keepalive+0x62/0x1c0 [ 41.121066][ C0] __alloc_skb+0x210/0x730 [ 41.125504][ C0] wg_packet_send_keepalive+0x62/0x1c0 [ 41.131008][ C0] ? wg_expired_send_persistent_keepalive+0x44/0x80 [ 41.137613][ C0] wg_expired_send_persistent_keepalive+0x53/0x80 [ 41.144050][ C0] ? wg_expired_zero_key_material+0x170/0x170 [ 41.150137][ C0] call_timer_fn+0x38/0x290 [ 41.154907][ C0] ? wg_expired_zero_key_material+0x170/0x170 [ 41.161017][ C0] __run_timers+0x637/0x9a0 [ 41.165564][ C0] ? calc_index+0x200/0x200 [ 41.170097][ C0] ? sched_clock_cpu+0x18/0x3d0 [ 41.174974][ C0] run_timer_softirq+0x6a/0xf0 [ 41.179760][ C0] handle_softirqs+0x250/0x560 [ 41.184541][ C0] __irq_exit_rcu+0x52/0xf0 [ 41.189055][ C0] irq_exit_rcu+0x9/0x10 [ 41.193318][ C0] sysvec_apic_timer_interrupt+0xa9/0xc0 [ 41.198972][ C0] [ 41.201938][ C0] [ 41.204915][ C0] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 41.210935][ C0] RIP: 0010:__printk_wait_on_cpu_lock+0xb/0x40 [ 41.217122][ C0] Code: 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 fc e4 56 00 4c 89 33 5b 41 5c 41 5e 41 5f 5d c3 55 48 89 e5 e8 d7 74 17 00 f3 90 <48> c7 c7 80 1f 71 86 be 04 00 00 00 e8 14 e6 56 00 8b 05 5e dd 1e [ 41.239875][ C0] RSP: 0018:ffffc90000067810 EFLAGS: 00000293 [ 41.245961][ C0] RAX: ffffffff8152422c RBX: ffffffff8564bda0 RCX: ffff8881002613c0 [ 41.253945][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffffff86711f80 [ 41.261927][ C0] RBP: ffffc90000067810 R08: 0000000000000003 R09: 0000000000000004 [ 41.269909][ C0] R10: dffffc0000000000 R11: fffffbfff0ce23f0 R12: dffffc0000000000 [ 41.277895][ C0] R13: 0000000000000200 R14: dffffc0000000004 R15: 1ffff9200000cf04 [ 41.285883][ C0] ? __printk_wait_on_cpu_lock+0x2c/0x40 [ 41.291565][ C0] dump_stack_lvl+0xce/0x170 [ 41.296172][ C0] ? show_regs_print_info+0x20/0x20 [ 41.301385][ C0] ? prandom_u32+0x24d/0x290 [ 41.305987][ C0] dump_stack+0x15/0x20 [ 41.310164][ C0] should_fail+0x3ab/0x500 [ 41.314600][ C0] __should_failslab+0xa4/0xe0 [ 41.319382][ C0] should_failslab+0x9/0x20 [ 41.323901][ C0] slab_pre_alloc_hook+0x39/0xd0 [ 41.328852][ C0] ? dst_alloc+0x15c/0x1d0 [ 41.333287][ C0] kmem_cache_alloc+0x44/0x260 [ 41.338072][ C0] ? ipv6_sysctl_rtcache_flush+0x100/0x100 [ 41.343893][ C0] dst_alloc+0x15c/0x1d0 [ 41.348147][ C0] icmp6_dst_alloc+0xec/0x520 [ 41.352838][ C0] ? security_sk_classify_flow+0x7b/0x90 [ 41.358487][ C0] ? icmpv6_flow_init+0xd2/0x130 [ 41.363437][ C0] mld_sendpack+0x4d9/0xba0 [ 41.367954][ C0] ? add_grec+0x1340/0x1340 [ 41.372466][ C0] ? add_grec+0xf70/0x1340 [ 41.376890][ C0] ? memcpy+0x56/0x70 [ 41.380899][ C0] mld_send_initial_cr+0x1c0/0x320 [ 41.386042][ C0] mld_dad_work+0x3a/0x4e0 [ 41.390469][ C0] process_one_work+0x6c8/0xbb0 [ 41.395338][ C0] worker_thread+0xaa0/0x1250 [ 41.400039][ C0] kthread+0x3f5/0x4f0 [ 41.404396][ C0] ? worker_clr_flags+0x190/0x190 [ 41.409461][ C0] ? kthread_blkcg+0xd0/0xd0 [ 41.414073][ C0] ret_from_fork+0x1f/0x30 [ 41.418505][ C0] [ 41.421536][ C1] CPU: 1 PID: 333 Comm: syz.2.8 Not tainted syzkaller #0 [ 41.423862][ C0] FAULT_INJECTION: forcing a failure. [ 41.423862][ C0] name failslab, interval 1, probability 1, space 0, times 978 [ 41.428587][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 41.451397][ C1] Call Trace: [ 41.454687][ C1] [ 41.457545][ C1] __dump_stack+0x21/0x30 [ 41.461893][ C1] dump_stack_lvl+0x110/0x170 [ 41.466575][ C1] ? show_regs_print_info+0x20/0x20 [ 41.471801][ C1] ? prandom_u32+0x24d/0x290 [ 41.476399][ C1] dump_stack+0x15/0x20 [ 41.480561][ C1] should_fail+0x3ab/0x500 [ 41.485010][ C1] __should_failslab+0xa4/0xe0 [ 41.489788][ C1] should_failslab+0x9/0x20 [ 41.494307][ C1] slab_pre_alloc_hook+0x39/0xd0 [ 41.499260][ C1] kmem_cache_alloc_trace+0x48/0x270 [ 41.504559][ C1] ? dst_cow_metrics_generic+0x55/0x1c0 [ 41.510207][ C1] dst_cow_metrics_generic+0x55/0x1c0 [ 41.515589][ C1] icmp6_dst_alloc+0x35f/0x520 [ 41.520372][ C1] ndisc_send_skb+0x2a9/0xcf0 [ 41.525079][ C1] ? ext4_writepages+0xb25/0x30a0 [ 41.530120][ C1] ? do_writepages+0x476/0x6d0 [ 41.534903][ C1] ? filemap_fdatawrite_wbc+0x1f4/0x250 [ 41.540461][ C1] ? file_write_and_wait_range+0x14d/0x220 [ 41.546281][ C1] ? ext4_sync_file+0x1ad/0xa40 [ 41.551152][ C1] ? do_iter_write+0x207/0x7b0 [ 41.555931][ C1] ? do_splice_direct+0x1c2/0x2d0 [ 41.560970][ C1] ? ndisc_alloc_skb+0x290/0x290 [ 41.565950][ C1] ? skb_put+0x10a/0x1f0 [ 41.570208][ C1] ndisc_send_rs+0x711/0x960 [ 41.574808][ C1] ? ndisc_send_rs+0x131/0x960 [ 41.579595][ C1] addrconf_rs_timer+0x35a/0x600 [ 41.584547][ C1] ? addrconf_disable_policy_idev+0x360/0x360 [ 41.590632][ C1] ? _raw_spin_lock_irq+0x95/0xf0 [ 41.595674][ C1] ? _raw_spin_lock_irqsave+0x130/0x130 [ 41.601237][ C1] ? addrconf_disable_policy_idev+0x360/0x360 [ 41.607321][ C1] call_timer_fn+0x38/0x290 [ 41.611838][ C1] ? addrconf_disable_policy_idev+0x360/0x360 [ 41.618022][ C1] __run_timers+0x637/0x9a0 [ 41.622543][ C1] ? calc_index+0x200/0x200 [ 41.627060][ C1] ? sched_clock_cpu+0x18/0x3d0 [ 41.631947][ C1] run_timer_softirq+0x6a/0xf0 [ 41.636728][ C1] handle_softirqs+0x250/0x560 [ 41.641517][ C1] ? irqtime_account_irq+0xbe/0x390 [ 41.646754][ C1] __irq_exit_rcu+0x52/0xf0 [ 41.651277][ C1] irq_exit_rcu+0x9/0x10 [ 41.655545][ C1] sysvec_apic_timer_interrupt+0xa9/0xc0 [ 41.661191][ C1] [ 41.664138][ C1] [ 41.667086][ C1] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 41.673079][ C1] RIP: 0010:preempt_schedule_irq+0xa5/0x120 [ 41.678985][ C1] Code: 44 24 20 00 02 00 00 43 c6 44 37 04 f8 74 0b 0f 0b 48 f7 03 08 00 00 00 74 4d bf 01 00 00 00 e8 11 4d 95 fc fb bf 01 00 00 00 76 e4 ff ff fa bf 01 00 00 00 e8 ab 4e 95 fc 65 48 8b 1d 13 f7 [ 41.698609][ C1] RSP: 0018:ffffc9000791e9c0 EFLAGS: 00000246 [ 41.704702][ C1] RAX: 1ffff11021a97b36 RBX: ffffc9000791ea98 RCX: ffffffff870cbf00 [ 41.712688][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 41.720673][ C1] RBP: ffffc9000791ea48 R08: ffff88810d4bcf07 R09: 1ffff11021a979e0 [ 41.728662][ C1] R10: dffffc0000000000 R11: ffffed1021a979e1 R12: 0000000000000000 [ 41.736649][ C1] R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff92000f23d38 [ 41.744638][ C1] ? __cond_resched+0xd0/0xd0 [ 41.749333][ C1] irqentry_exit_cond_resched+0x29/0x30 [ 41.754895][ C1] irqentry_exit+0x37/0x40 [ 41.759327][ C1] sysvec_reschedule_ipi+0x78/0x80 [ 41.764453][ C1] asm_sysvec_reschedule_ipi+0x1b/0x20 [ 41.769929][ C1] RIP: 0010:dump_stack_lvl+0x144/0x170 [ 41.775397][ C1] Code: e6 00 02 00 00 31 ff e8 3a 97 be fc 49 81 e5 00 02 00 00 75 07 e8 ec 92 be fc eb 06 e8 e5 92 be fc fb 48 c7 04 24 0e 36 e0 45 <4b> c7 04 27 00 00 00 00 65 48 8b 04 25 28 00 00 00 48 3b 44 24 40 [ 41.795015][ C1] RSP: 0018:ffffc9000791eb40 EFLAGS: 00000246 [ 41.801093][ C1] RAX: ffffffff84ab23fb RBX: ffffffff8564bda0 RCX: 0000000000080000 [ 41.809081][ C1] RDX: ffffc9000230f000 RSI: 000000000007ffff RDI: 0000000000080000 [ 41.817082][ C1] RBP: ffffc9000791ebd8 R08: 0000000000000003 R09: 0000000000000004 [ 41.825066][ C1] R10: dffffc0000000000 R11: fffffbfff0ce23f0 R12: dffffc0000000000 [ 41.833053][ C1] R13: 0000000000000200 R14: dffffc0000000004 R15: 1ffff92000f23d68 [ 41.841041][ C1] ? dump_stack_lvl+0x13b/0x170 [ 41.845927][ C1] ? show_regs_print_info+0x20/0x20 [ 41.851156][ C1] dump_stack+0x15/0x20 [ 41.855323][ C1] should_fail+0x3ab/0x500 [ 41.859752][ C1] __should_failslab+0xa4/0xe0 [ 41.864686][ C1] should_failslab+0x9/0x20 [ 41.869216][ C1] slab_pre_alloc_hook+0x39/0xd0 [ 41.874176][ C1] ? ext4_init_io_end+0x29/0x130 [ 41.879164][ C1] kmem_cache_alloc+0x44/0x260 [ 41.883982][ C1] ext4_init_io_end+0x29/0x130 [ 41.888771][ C1] ext4_writepages+0xb25/0x30a0 [ 41.893749][ C1] ? ext4_inode_csum+0x57f/0x8a0 [ 41.898708][ C1] ? ext4_readpage+0x220/0x220 [ 41.903509][ C1] ? __kasan_check_read+0x11/0x20 [ 41.908555][ C1] ? ext4_block_write_begin+0xd3c/0x10a0 [ 41.914212][ C1] ? __getblk_gfp+0x42/0x7d0 [ 41.918823][ C1] ? __ext4_handle_dirty_metadata+0x2d2/0x7e0 [ 41.924935][ C1] ? ext4_readpage+0x220/0x220 [ 41.929713][ C1] do_writepages+0x476/0x6d0 [ 41.934324][ C1] ? __writepage+0x130/0x130 [ 41.939033][ C1] ? __kasan_check_write+0x14/0x20 [ 41.944181][ C1] ? _raw_spin_lock+0x94/0xf0 [ 41.948964][ C1] ? _raw_spin_unlock+0x4d/0x70 [ 41.953833][ C1] filemap_fdatawrite_wbc+0x1f4/0x250 [ 41.959222][ C1] file_write_and_wait_range+0x14d/0x220 [ 41.964865][ C1] ? balance_dirty_pages_ratelimited+0x86c/0x1000 [ 41.971597][ C1] ? __filemap_set_wb_err+0x110/0x110 [ 41.976999][ C1] ext4_sync_file+0x1ad/0xa40 [ 41.981710][ C1] vfs_fsync_range+0x171/0x180 [ 41.986598][ C1] ext4_buffered_write_iter+0x595/0x630 [ 41.992199][ C1] ext4_file_write_iter+0x427/0x1530 [ 41.997520][ C1] ? stack_trace_save+0xa6/0xf0 [ 42.002394][ C1] ? __stack_depot_save+0x34/0x480 [ 42.007545][ C1] ? ext4_file_read_iter+0x500/0x500 [ 42.012980][ C1] ? __kasan_kmalloc+0xe6/0x100 [ 42.017864][ C1] ? __kasan_kmalloc+0xd4/0x100 [ 42.022755][ C1] ? __kmalloc+0x13d/0x2c0 [ 42.027203][ C1] ? iter_file_splice_write+0x19f/0xce0 [ 42.032767][ C1] ? direct_splice_actor+0xe9/0x120 [ 42.037981][ C1] ? splice_direct_to_actor+0x4d8/0xb40 [ 42.043542][ C1] ? do_splice_direct+0x1c2/0x2d0 [ 42.048586][ C1] do_iter_readv_writev+0x477/0x5f0 [ 42.053824][ C1] ? generic_file_rw_checks+0x2a0/0x2a0 [ 42.059559][ C1] ? fsnotify_perm+0x67/0x5b0 [ 42.064250][ C1] ? security_file_permission+0x79/0xa0 [ 42.069983][ C1] ? security_file_permission+0x83/0xa0 [ 42.075567][ C1] do_iter_write+0x207/0x7b0 [ 42.080183][ C1] vfs_iter_write+0x7d/0xa0 [ 42.084708][ C1] iter_file_splice_write+0x6b1/0xce0 [ 42.090275][ C1] ? splice_from_pipe+0x180/0x180 [ 42.095363][ C1] ? generic_file_splice_read+0x460/0x5f0 [ 42.101123][ C1] ? splice_shrink_spd+0xb0/0xb0 [ 42.106087][ C1] ? __kasan_check_read+0x11/0x20 [ 42.111129][ C1] ? fsnotify_perm+0x269/0x5b0 [ 42.115923][ C1] ? splice_from_pipe+0x180/0x180 [ 42.120990][ C1] direct_splice_actor+0xe9/0x120 [ 42.126031][ C1] splice_direct_to_actor+0x4d8/0xb40 [ 42.131420][ C1] ? do_splice_direct+0x2d0/0x2d0 [ 42.136465][ C1] ? pipe_to_sendpage+0x320/0x320 [ 42.141522][ C1] ? do_splice_direct+0x1a3/0x2d0 [ 42.146566][ C1] ? do_splice_direct+0x2d0/0x2d0 [ 42.151611][ C1] do_splice_direct+0x1c2/0x2d0 [ 42.156484][ C1] ? splice_direct_to_actor+0xb40/0xb40 [ 42.162051][ C1] ? security_file_permission+0x83/0xa0 [ 42.167618][ C1] do_sendfile+0x515/0xe20 [ 42.178227][ C1] ? do_preadv+0x390/0x390 [ 42.182777][ C1] ? __se_sys_futex+0x135/0x330 [ 42.187648][ C1] __x64_sys_sendfile64+0x199/0x1f0 [ 42.192865][ C1] ? __ia32_sys_sendfile+0x190/0x190 [ 42.198166][ C1] ? __kasan_check_write+0x14/0x20 [ 42.203304][ C1] ? switch_fpu_return+0x15d/0x2c0 [ 42.208462][ C1] x64_sys_call+0x88d/0x9a0 [ 42.213633][ C1] do_syscall_64+0x4c/0xa0 [ 42.218085][ C1] ? clear_bhb_loop+0x50/0xa0 [ 42.222791][ C1] ? clear_bhb_loop+0x50/0xa0 [ 42.227485][ C1] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 42.233434][ C1] RIP: 0033:0x7feae951ce99 [ 42.237890][ C1] 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 [ 42.257511][ C1] RSP: 002b:00007feae7f76028 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 42.265943][ C1] RAX: ffffffffffffffda RBX: 00007feae97a4fa0 RCX: 00007feae951ce99 [ 42.273930][ C1] RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000005 [ 42.281919][ C1] RBP: 00007feae95b2eaf R08: 0000000000000000 R09: 0000000000000000 [ 42.289905][ C1] R10: 000000000003ffff R11: 0000000000000246 R12: 0000000000000000 [ 42.297886][ C1] R13: 00007feae97a5038 R14: 00007feae97a4fa0 R15: 00007fffd23b1778 [ 42.305893][ C1] [ 42.308951][ C0] CPU: 0 PID: 45 Comm: kworker/u4:2 Not tainted syzkaller #0 [ 42.311550][ C1] FAULT_INJECTION: forcing a failure. [ 42.311550][ C1] name failslab, interval 1, probability 1, space 0, times 977 [ 42.316359][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 42.316374][ C0] Workqueue: wg-kex-wg2 wg_packet_handshake_send_worker [ 42.347925][ C0] Call Trace: [ 42.351304][ C0] [ 42.354250][ C0] __dump_stack+0x21/0x30 [ 42.359386][ C0] dump_stack_lvl+0x110/0x170 [ 42.364098][ C0] ? show_regs_print_info+0x20/0x20 [ 42.369321][ C0] ? prandom_u32+0x24d/0x290 [ 42.374118][ C0] dump_stack+0x15/0x20 [ 42.378282][ C0] should_fail+0x3ab/0x500 [ 42.382713][ C0] __should_failslab+0xa4/0xe0 [ 42.387510][ C0] should_failslab+0x9/0x20 [ 42.392109][ C0] slab_pre_alloc_hook+0x39/0xd0 [ 42.397058][ C0] ? skb_clone+0x1c7/0x370 [ 42.401581][ C0] kmem_cache_alloc+0x44/0x260 [ 42.406480][ C0] skb_clone+0x1c7/0x370 [ 42.410750][ C0] br_flood+0x387/0x420 [ 42.414929][ C0] br_handle_frame_finish+0xe29/0x1130 [ 42.420412][ C0] ? sysvec_apic_timer_interrupt+0xa9/0xc0 [ 42.426406][ C0] ? asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 42.432603][ C0] ? crypto_poly1305_final+0x80/0x80 [ 42.437928][ C0] ? brport_get_ownership+0x80/0x80 [ 42.443159][ C0] br_handle_frame+0x61a/0xfd0 [ 42.447941][ C0] ? kasan_quarantine_put+0x34/0x190 [ 42.453287][ C0] ? br_get_rx_handler+0x20/0x20 [ 42.458528][ C0] ? kmem_cache_free+0x100/0x320 [ 42.463496][ C0] ? br_get_rx_handler+0x20/0x20 [ 42.468465][ C0] __netif_receive_skb_core+0xe6c/0x2fb0 [ 42.474425][ C0] ? kfree_skb+0xc1/0x2f0 [ 42.478772][ C0] ? set_rps_cpu+0x5d0/0x5d0 [ 42.483370][ C0] ? ipv6_rcv+0xed/0x230 [ 42.487627][ C0] ? __kasan_check_read+0x11/0x20 [ 42.492665][ C0] ? ip6_rcv_finish+0x360/0x360 [ 42.497542][ C0] ? refcount_add+0x80/0x80 [ 42.502057][ C0] ? __kasan_check_write+0x14/0x20 [ 42.507182][ C0] __netif_receive_skb+0x72/0x280 [ 42.512406][ C0] process_backlog+0x351/0x600 [ 42.517198][ C0] __napi_poll+0xbb/0x580 [ 42.521540][ C0] net_rx_action+0x37f/0x910 [ 42.526161][ C0] ? net_tx_action+0x520/0x520 [ 42.531053][ C0] handle_softirqs+0x250/0x560 [ 42.535853][ C0] __irq_exit_rcu+0x52/0xf0 [ 42.540377][ C0] irq_exit_rcu+0x9/0x10 [ 42.544636][ C0] sysvec_apic_timer_interrupt+0xa9/0xc0 [ 42.550375][ C0] [ 42.553317][ C0] [ 42.556277][ C0] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 42.562275][ C0] RIP: 0010:curve25519_arch+0x0/0x51e0 [ 42.567756][ C0] Code: 52 2f 00 b8 82 ff ff ff eb ed 44 89 f9 80 e1 07 38 c1 7c c7 4c 89 ff e8 7e c1 6e 00 eb bd 00 00 cc cc 00 00 cc cc 00 00 cc cc <55> 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 e4 e0 48 81 ec 20 03 [ 42.587499][ C0] RSP: 0018:ffffc900002ef6f8 EFLAGS: 00000202 [ 42.593592][ C0] RAX: ffffc900002ef7d0 RBX: 1ffff9200005dee4 RCX: 0000000000000000 [ 42.601580][ C0] RDX: ffff888128c19768 RSI: ffff888128c19748 RDI: ffffc900002ef7d0 [ 42.609598][ C0] RBP: ffffc900002ef870 R08: ffffc900002ef7ef R09: ffffc900002ef7d0 [ 42.617860][ C0] R10: dffffc0000000000 R11: fffff5200005defe R12: dffffc0000000000 [ 42.625860][ C0] R13: ffffc900002ef7d0 R14: ffff888128c19768 R15: ffff888128c19748 [ 42.634078][ C0] ? mix_dh+0xd1/0x290 [ 42.638177][ C0] ? message_ephemeral+0x310/0x310 [ 42.643312][ C0] ? __crypto_memneq+0x247/0x260 [ 42.648280][ C0] wg_noise_handshake_create_initiation+0x3d9/0x920 [ 42.654895][ C0] ? wg_noise_set_static_identity_private_key+0x140/0x140 [ 42.662113][ C0] ? update_load_avg+0x442/0x1110 [ 42.667165][ C0] ? _raw_spin_lock_irq+0x95/0xf0 [ 42.672219][ C0] ? _raw_spin_lock_irqsave+0x130/0x130 [ 42.677905][ C0] ? enqueue_task_fair+0xaf1/0x2130 [ 42.683330][ C0] ? psi_task_change+0x213/0x370 [ 42.688296][ C0] ? check_preempt_wakeup+0x7d6/0xbb0 [ 42.693696][ C0] ? ktime_get_coarse_with_offset+0x153/0x1a0 [ 42.699872][ C0] wg_packet_handshake_send_worker+0x187/0x290 [ 42.706060][ C0] ? wg_prev_queue_dequeue+0x230/0x230 [ 42.711560][ C0] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 42.717386][ C0] ? try_to_wake_up+0x610/0x1150 [ 42.722343][ C0] process_one_work+0x6c8/0xbb0 [ 42.727218][ C0] worker_thread+0xaa0/0x1250 [ 42.731936][ C0] kthread+0x3f5/0x4f0 [ 42.736147][ C0] ? worker_clr_flags+0x190/0x190 [ 42.741203][ C0] ? kthread_blkcg+0xd0/0xd0 [ 42.745818][ C0] ret_from_fork+0x1f/0x30 [ 42.750283][ C0] [ 42.753338][ C1] CPU: 1 PID: 333 Comm: syz.2.8 Not tainted syzkaller #0 [ 42.760823][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 42.770899][ C1] Call Trace: [ 42.774197][ C1] [ 42.777600][ C1] __dump_stack+0x21/0x30 [ 42.781944][ C1] dump_stack_lvl+0x110/0x170 [ 42.786637][ C1] ? show_regs_print_info+0x20/0x20 [ 42.791845][ C1] ? prandom_u32+0x24d/0x290 [ 42.796449][ C1] dump_stack+0x15/0x20 [ 42.800621][ C1] should_fail+0x3ab/0x500 [ 42.805052][ C1] __should_failslab+0xa4/0xe0 [ 42.809852][ C1] should_failslab+0x9/0x20 [ 42.814367][ C1] slab_pre_alloc_hook+0x39/0xd0 [ 42.819340][ C1] ? __alloc_skb+0xe4/0x730 [ 42.823858][ C1] kmem_cache_alloc+0x44/0x260 [ 42.828638][ C1] __alloc_skb+0xe4/0x730 [ 42.832983][ C1] ndisc_send_rs+0x310/0x960 [ 42.837582][ C1] addrconf_rs_timer+0x35a/0x600 [ 42.842539][ C1] ? addrconf_disable_policy_idev+0x360/0x360 [ 42.848615][ C1] ? _raw_spin_lock_irq+0x95/0xf0 [ 42.853662][ C1] ? _raw_spin_lock_irqsave+0x130/0x130 [ 42.859223][ C1] ? addrconf_disable_policy_idev+0x360/0x360 [ 42.865306][ C1] call_timer_fn+0x38/0x290 [ 42.869822][ C1] ? addrconf_disable_policy_idev+0x360/0x360 [ 42.875902][ C1] __run_timers+0x637/0x9a0 [ 42.880426][ C1] ? calc_index+0x200/0x200 [ 42.885030][ C1] ? sched_clock_cpu+0x18/0x3d0 [ 42.889899][ C1] run_timer_softirq+0x6a/0xf0 [ 42.894674][ C1] handle_softirqs+0x250/0x560 [ 42.899545][ C1] ? irqtime_account_irq+0xbe/0x390 [ 42.904758][ C1] __irq_exit_rcu+0x52/0xf0 [ 42.909279][ C1] irq_exit_rcu+0x9/0x10 [ 42.913537][ C1] sysvec_apic_timer_interrupt+0xa9/0xc0 [ 42.919193][ C1] [ 42.922132][ C1] [ 42.925118][ C1] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 42.931145][ C1] RIP: 0010:preempt_schedule_irq+0xa5/0x120 [ 42.937063][ C1] Code: 44 24 20 00 02 00 00 43 c6 44 37 04 f8 74 0b 0f 0b 48 f7 03 08 00 00 00 74 4d bf 01 00 00 00 e8 11 4d 95 fc fb bf 01 00 00 00 76 e4 ff ff fa bf 01 00 00 00 e8 ab 4e 95 fc 65 48 8b 1d 13 f7 [ 42.956689][ C1] RSP: 0018:ffffc9000791e9c0 EFLAGS: 00000246 [ 42.962772][ C1] RAX: 1ffff11021a97b36 RBX: ffffc9000791ea98 RCX: ffffffff870cbf00 [ 42.970846][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 42.978830][ C1] RBP: ffffc9000791ea48 R08: ffff88810d4bcf07 R09: 1ffff11021a979e0 [ 42.986816][ C1] R10: dffffc0000000000 R11: ffffed1021a979e1 R12: 0000000000000000 [ 42.994815][ C1] R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff92000f23d38 [ 43.002825][ C1] ? __cond_resched+0xd0/0xd0 [ 43.007585][ C1] irqentry_exit_cond_resched+0x29/0x30 [ 43.013162][ C1] irqentry_exit+0x37/0x40 [ 43.017600][ C1] sysvec_reschedule_ipi+0x78/0x80 [ 43.022749][ C1] asm_sysvec_reschedule_ipi+0x1b/0x20 [ 43.028229][ C1] RIP: 0010:dump_stack_lvl+0x144/0x170 [ 43.033713][ C1] Code: e6 00 02 00 00 31 ff e8 3a 97 be fc 49 81 e5 00 02 00 00 75 07 e8 ec 92 be fc eb 06 e8 e5 92 be fc fb 48 c7 04 24 0e 36 e0 45 <4b> c7 04 27 00 00 00 00 65 48 8b 04 25 28 00 00 00 48 3b 44 24 40 [ 43.053339][ C1] RSP: 0018:ffffc9000791eb40 EFLAGS: 00000246 [ 43.059433][ C1] RAX: ffffffff84ab23fb RBX: ffffffff8564bda0 RCX: 0000000000080000 [ 43.067416][ C1] RDX: ffffc9000230f000 RSI: 000000000007ffff RDI: 0000000000080000 [ 43.075404][ C1] RBP: ffffc9000791ebd8 R08: 0000000000000003 R09: 0000000000000004 [ 43.083392][ C1] R10: dffffc0000000000 R11: fffffbfff0ce23f0 R12: dffffc0000000000 [ 43.091374][ C1] R13: 0000000000000200 R14: dffffc0000000004 R15: 1ffff92000f23d68 [ 43.099363][ C1] ? dump_stack_lvl+0x13b/0x170 [ 43.104236][ C1] ? show_regs_print_info+0x20/0x20 [ 43.109455][ C1] dump_stack+0x15/0x20 [ 43.113629][ C1] should_fail+0x3ab/0x500 [ 43.118070][ C1] __should_failslab+0xa4/0xe0 [ 43.122864][ C1] should_failslab+0x9/0x20 [ 43.127392][ C1] slab_pre_alloc_hook+0x39/0xd0 [ 43.132348][ C1] ? ext4_init_io_end+0x29/0x130 [ 43.133892][ T90] FAULT_INJECTION: forcing a failure. [ 43.133892][ T90] name failslab, interval 1, probability 1, space 0, times 974 [ 43.137319][ C1] kmem_cache_alloc+0x44/0x260 [ 43.154855][ C1] ext4_init_io_end+0x29/0x130 [ 43.159641][ C1] ext4_writepages+0xb25/0x30a0 [ 43.164514][ C1] ? ext4_inode_csum+0x57f/0x8a0 [ 43.169466][ C1] ? ext4_readpage+0x220/0x220 [ 43.174244][ C1] ? __kasan_check_read+0x11/0x20 [ 43.179291][ C1] ? ext4_block_write_begin+0xd3c/0x10a0 [ 43.184938][ C1] ? __getblk_gfp+0x42/0x7d0 [ 43.189566][ C1] ? __ext4_handle_dirty_metadata+0x2d2/0x7e0 [ 43.195650][ C1] ? ext4_readpage+0x220/0x220 [ 43.200435][ C1] do_writepages+0x476/0x6d0 [ 43.205066][ C1] ? __writepage+0x130/0x130 [ 43.209764][ C1] ? __kasan_check_write+0x14/0x20 [ 43.214896][ C1] ? _raw_spin_lock+0x94/0xf0 [ 43.219604][ C1] ? _raw_spin_unlock+0x4d/0x70 [ 43.224473][ C1] filemap_fdatawrite_wbc+0x1f4/0x250 [ 43.229865][ C1] file_write_and_wait_range+0x14d/0x220 [ 43.235536][ C1] ? balance_dirty_pages_ratelimited+0x86c/0x1000 [ 43.241975][ C1] ? __filemap_set_wb_err+0x110/0x110 [ 43.247368][ C1] ext4_sync_file+0x1ad/0xa40 [ 43.252142][ C1] vfs_fsync_range+0x171/0x180 [ 43.256921][ C1] ext4_buffered_write_iter+0x595/0x630 [ 43.262480][ C1] ext4_file_write_iter+0x427/0x1530 [ 43.267776][ C1] ? stack_trace_save+0xa6/0xf0 [ 43.272667][ C1] ? __stack_depot_save+0x34/0x480 [ 43.277801][ C1] ? ext4_file_read_iter+0x500/0x500 [ 43.283098][ C1] ? __kasan_kmalloc+0xe6/0x100 [ 43.287956][ C1] ? __kasan_kmalloc+0xd4/0x100 [ 43.292820][ C1] ? __kmalloc+0x13d/0x2c0 [ 43.297252][ C1] ? iter_file_splice_write+0x19f/0xce0 [ 43.302811][ C1] ? direct_splice_actor+0xe9/0x120 [ 43.308063][ C1] ? splice_direct_to_actor+0x4d8/0xb40 [ 43.313624][ C1] ? do_splice_direct+0x1c2/0x2d0 [ 43.318674][ C1] do_iter_readv_writev+0x477/0x5f0 [ 43.323888][ C1] ? generic_file_rw_checks+0x2a0/0x2a0 [ 43.329552][ C1] ? fsnotify_perm+0x67/0x5b0 [ 43.334240][ C1] ? security_file_permission+0x79/0xa0 [ 43.339800][ C1] ? security_file_permission+0x83/0xa0 [ 43.345363][ C1] do_iter_write+0x207/0x7b0 [ 43.349969][ C1] vfs_iter_write+0x7d/0xa0 [ 43.354490][ C1] iter_file_splice_write+0x6b1/0xce0 [ 43.359901][ C1] ? splice_from_pipe+0x180/0x180 [ 43.364948][ C1] ? generic_file_splice_read+0x460/0x5f0 [ 43.370680][ C1] ? splice_shrink_spd+0xb0/0xb0 [ 43.375801][ C1] ? __kasan_check_read+0x11/0x20 [ 43.380841][ C1] ? fsnotify_perm+0x269/0x5b0 [ 43.385622][ C1] ? splice_from_pipe+0x180/0x180 [ 43.390679][ C1] direct_splice_actor+0xe9/0x120 [ 43.395731][ C1] splice_direct_to_actor+0x4d8/0xb40 [ 43.401124][ C1] ? do_splice_direct+0x2d0/0x2d0 [ 43.406168][ C1] ? pipe_to_sendpage+0x320/0x320 [ 43.411209][ C1] ? do_splice_direct+0x1a3/0x2d0 [ 43.416248][ C1] ? do_splice_direct+0x2d0/0x2d0 [ 43.421289][ C1] do_splice_direct+0x1c2/0x2d0 [ 43.426350][ C1] ? splice_direct_to_actor+0xb40/0xb40 [ 43.431917][ C1] ? security_file_permission+0x83/0xa0 [ 43.437584][ C1] do_sendfile+0x515/0xe20 [ 43.442130][ C1] ? do_preadv+0x390/0x390 [ 43.446565][ C1] ? __se_sys_futex+0x135/0x330 [ 43.451463][ C1] __x64_sys_sendfile64+0x199/0x1f0 [ 43.456686][ C1] ? __ia32_sys_sendfile+0x190/0x190 [ 43.462227][ C1] ? __kasan_check_write+0x14/0x20 [ 43.467368][ C1] ? switch_fpu_return+0x15d/0x2c0 [ 43.472515][ C1] x64_sys_call+0x88d/0x9a0 [ 43.477058][ C1] do_syscall_64+0x4c/0xa0 [ 43.481486][ C1] ? clear_bhb_loop+0x50/0xa0 [ 43.486189][ C1] ? clear_bhb_loop+0x50/0xa0 [ 43.490882][ C1] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 43.496786][ C1] RIP: 0033:0x7feae951ce99 [ 43.501217][ C1] 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 [ 43.520835][ C1] RSP: 002b:00007feae7f76028 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 43.529266][ C1] RAX: ffffffffffffffda RBX: 00007feae97a4fa0 RCX: 00007feae951ce99 [ 43.537250][ C1] RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000005 [ 43.545229][ C1] RBP: 00007feae95b2eaf R08: 0000000000000000 R09: 0000000000000000 [ 43.553235][ C1] R10: 000000000003ffff R11: 0000000000000246 R12: 0000000000000000 [ 43.561233][ C1] R13: 00007feae97a5038 R14: 00007feae97a4fa0 R15: 00007fffd23b1778 [ 43.565663][ C0] FAULT_INJECTION: forcing a failure. [ 43.565663][ C0] name failslab, interval 1, probability 1, space 0, times 974 [ 43.569230][ C1] [ 43.585028][ C0] CPU: 0 PID: 278 Comm: syz-executor Not tainted syzkaller #0 [ 43.589807][ C1] FAULT_INJECTION: forcing a failure. [ 43.589807][ C1] name failslab, interval 1, probability 1, space 0, times 973 [ 43.592506][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 43.615839][ C0] Call Trace: [ 43.619130][ C0] [ 43.622088][ C0] __dump_stack+0x21/0x30 [ 43.626439][ C0] dump_stack_lvl+0x110/0x170 [ 43.631219][ C0] ? show_regs_print_info+0x20/0x20 [ 43.636434][ C0] ? prandom_u32+0x24d/0x290 [ 43.641154][ C0] dump_stack+0x15/0x20 [ 43.645319][ C0] should_fail+0x3ab/0x500 [ 43.649764][ C0] __should_failslab+0xa4/0xe0 [ 43.654560][ C0] should_failslab+0x9/0x20 [ 43.659077][ C0] slab_pre_alloc_hook+0x39/0xd0 [ 43.664028][ C0] ? dst_alloc+0x15c/0x1d0 [ 43.668466][ C0] kmem_cache_alloc+0x44/0x260 [ 43.673250][ C0] ? ipv6_sysctl_rtcache_flush+0x100/0x100 [ 43.679084][ C0] dst_alloc+0x15c/0x1d0 [ 43.683343][ C0] icmp6_dst_alloc+0xec/0x520 [ 43.688042][ C0] ? security_sk_classify_flow+0x7b/0x90 [ 43.693688][ C0] ? icmpv6_flow_init+0xd2/0x130 [ 43.698648][ C0] ndisc_send_skb+0x2a9/0xcf0 [ 43.703341][ C0] ? tcp_v4_do_rcv+0x591/0x9f0 [ 43.708119][ C0] ? __release_sock+0x17c/0x3f0 [ 43.712981][ C0] ? release_sock+0x60/0x1b0 [ 43.717576][ C0] ? tcp_sendmsg+0x39/0x50 [ 43.722011][ C0] ? inet_sendmsg+0xa5/0xc0 [ 43.726533][ C0] ? x64_sys_call+0x8ef/0x9a0 [ 43.731222][ C0] ? ndisc_alloc_skb+0x290/0x290 [ 43.736195][ C0] ? ndisc_send_rs+0x61f/0x960 [ 43.740974][ C0] ? memcpy+0x56/0x70 [ 43.744984][ C0] ndisc_send_rs+0x711/0x960 [ 43.749586][ C0] addrconf_rs_timer+0x35a/0x600 [ 43.754554][ C0] ? addrconf_disable_policy_idev+0x360/0x360 [ 43.760631][ C0] ? _raw_spin_lock_irq+0x95/0xf0 [ 43.765675][ C0] ? _raw_spin_lock_irqsave+0x130/0x130 [ 43.771236][ C0] ? addrconf_disable_policy_idev+0x360/0x360 [ 43.777316][ C0] call_timer_fn+0x38/0x290 [ 43.781831][ C0] ? addrconf_disable_policy_idev+0x360/0x360 [ 43.787910][ C0] __run_timers+0x637/0x9a0 [ 43.792432][ C0] ? calc_index+0x200/0x200 [ 43.796951][ C0] ? sched_clock_cpu+0x18/0x3d0 [ 43.801817][ C0] run_timer_softirq+0x6a/0xf0 [ 43.806599][ C0] handle_softirqs+0x250/0x560 [ 43.811377][ C0] __irq_exit_rcu+0x52/0xf0 [ 43.815894][ C0] irq_exit_rcu+0x9/0x10 [ 43.820150][ C0] sysvec_apic_timer_interrupt+0xa9/0xc0 [ 43.825800][ C0] [ 43.828738][ C0] [ 43.831674][ C0] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 43.837665][ C0] RIP: 0010:__printk_wait_on_cpu_lock+0xb/0x40 [ 43.843837][ C0] Code: 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 fc e4 56 00 4c 89 33 5b 41 5c 41 5e 41 5f 5d c3 55 48 89 e5 e8 d7 74 17 00 f3 90 <48> c7 c7 80 1f 71 86 be 04 00 00 00 e8 14 e6 56 00 8b 05 5e dd 1e [ 43.863453][ C0] RSP: 0018:ffffc90000a975b0 EFLAGS: 00000293 [ 43.869561][ C0] RAX: ffffffff8152422c RBX: ffffffff8564bda0 RCX: ffff88811c0762c0 [ 43.877543][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffffff86711f80 [ 43.885538][ C0] RBP: ffffc90000a975b0 R08: 0000000000000003 R09: 0000000000000004 [ 43.893523][ C0] R10: dffffc0000000000 R11: fffffbfff0ce23f0 R12: dffffc0000000000 [ 43.901513][ C0] R13: 0000000000000200 R14: dffffc0000000004 R15: 1ffff92000152eb8 [ 43.909501][ C0] ? __printk_wait_on_cpu_lock+0x2c/0x40 [ 43.915175][ C0] dump_stack_lvl+0xce/0x170 [ 43.919782][ C0] ? show_regs_print_info+0x20/0x20 [ 43.924994][ C0] ? prandom_u32+0x24d/0x290 [ 43.929596][ C0] dump_stack+0x15/0x20 [ 43.933761][ C0] should_fail+0x3ab/0x500 [ 43.938192][ C0] __should_failslab+0xa4/0xe0 [ 43.942970][ C0] should_failslab+0x9/0x20 [ 43.947480][ C0] slab_pre_alloc_hook+0x39/0xd0 [ 43.952442][ C0] ? __alloc_skb+0xe4/0x730 [ 43.956959][ C0] kmem_cache_alloc+0x44/0x260 [ 43.961750][ C0] ? ____kasan_slab_free+0x130/0x160 [ 43.967057][ C0] __alloc_skb+0xe4/0x730 [ 43.971405][ C0] __tcp_send_ack+0x9b/0x6c0 [ 43.976005][ C0] ? kmem_cache_free+0x100/0x320 [ 43.980956][ C0] tcp_send_ack+0x3b/0x60 [ 43.985306][ C0] __tcp_ack_snd_check+0x40e/0x900 [ 43.990437][ C0] tcp_rcv_established+0x1188/0x1ad0 [ 43.995738][ C0] ? tcp_check_space+0x960/0x960 [ 44.000685][ C0] ? irqentry_exit+0x37/0x40 [ 44.005288][ C0] ? ipv4_dst_check+0xf2/0x160 [ 44.010064][ C0] tcp_v4_do_rcv+0x591/0x9f0 [ 44.014663][ C0] __release_sock+0x17c/0x3f0 [ 44.019357][ C0] release_sock+0x60/0x1b0 [ 44.023787][ C0] tcp_sendmsg+0x39/0x50 [ 44.028038][ C0] inet_sendmsg+0xa5/0xc0 [ 44.032380][ C0] sock_write_iter+0x2a6/0x3a0 [ 44.037158][ C0] ? sock_read_iter+0x380/0x380 [ 44.042018][ C0] ? memset+0x35/0x40 [ 44.046015][ C0] ? iov_iter_init+0xbc/0x180 [ 44.050703][ C0] vfs_write+0x831/0xfd0 [ 44.054961][ C0] ? file_end_write+0x1b0/0x1b0 [ 44.059831][ C0] ? __kasan_check_read+0x11/0x20 [ 44.064877][ C0] ? __fdget_pos+0x1f7/0x380 [ 44.069482][ C0] ksys_write+0x14a/0x260 [ 44.073829][ C0] ? __ia32_sys_read+0x90/0x90 [ 44.078602][ C0] ? debug_smp_processor_id+0x17/0x20 [ 44.083994][ C0] __x64_sys_write+0x7b/0x90 [ 44.088599][ C0] x64_sys_call+0x8ef/0x9a0 [ 44.093135][ C0] do_syscall_64+0x4c/0xa0 [ 44.097564][ C0] ? clear_bhb_loop+0x50/0xa0 [ 44.102250][ C0] ? clear_bhb_loop+0x50/0xa0 [ 44.106958][ C0] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 44.112863][ C0] RIP: 0033:0x7f669ca40017 [ 44.117294][ C0] Code: 48 89 fa 4c 89 df e8 a8 56 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 44.136995][ C0] RSP: 002b:00007fff418385b0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 44.145425][ C0] RAX: ffffffffffffffda RBX: 00005555906ad500 RCX: 00007f669ca40017 [ 44.153584][ C0] RDX: 00000000000169b0 RSI: 00007f6698ad0650 RDI: 0000000000000003 [ 44.161598][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 44.169599][ C0] R10: 0000000000000000 R11: 0000000000000202 R12: 00000000000169b0 [ 44.177594][ C0] R13: 00005555906c57f0 R14: 00007fff41838b50 R15: 00007f6698ad0650 [ 44.185588][ C0] [ 44.188624][ C1] CPU: 1 PID: 25 Comm: ksoftirqd/1 Not tainted syzkaller #0 [ 44.195939][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 44.204190][ C0] FAULT_INJECTION: forcing a failure. [ 44.204190][ C0] name failslab, interval 1, probability 1, space 0, times 972 [ 44.206015][ C1] Call Trace: [ 44.206024][ C1] [ 44.225026][ C1] __dump_stack+0x21/0x30 [ 44.229382][ C1] dump_stack_lvl+0x110/0x170 [ 44.234078][ C1] ? show_regs_print_info+0x20/0x20 [ 44.239286][ C1] ? prandom_u32+0x24d/0x290 [ 44.243984][ C1] dump_stack+0x15/0x20 [ 44.248154][ C1] should_fail+0x3ab/0x500 [ 44.252714][ C1] __should_failslab+0xa4/0xe0 [ 44.257494][ C1] should_failslab+0x9/0x20 [ 44.262011][ C1] slab_pre_alloc_hook+0x39/0xd0 [ 44.266964][ C1] ? skb_clone+0x1c7/0x370 [ 44.271571][ C1] kmem_cache_alloc+0x44/0x260 [ 44.276349][ C1] skb_clone+0x1c7/0x370 [ 44.280610][ C1] br_flood+0x387/0x420 [ 44.284782][ C1] br_handle_frame_finish+0xe29/0x1130 [ 44.290260][ C1] ? kthread+0x3f5/0x4f0 [ 44.294518][ C1] ? ret_from_fork+0x1f/0x30 [ 44.299119][ C1] ? brport_get_ownership+0x80/0x80 [ 44.304359][ C1] br_handle_frame+0x61a/0xfd0 [ 44.309142][ C1] ? kasan_quarantine_put+0x34/0x190 [ 44.314444][ C1] ? br_get_rx_handler+0x20/0x20 [ 44.319398][ C1] ? kmem_cache_free+0x100/0x320 [ 44.324353][ C1] ? br_get_rx_handler+0x20/0x20 [ 44.329307][ C1] __netif_receive_skb_core+0xe6c/0x2fb0 [ 44.334979][ C1] ? kfree_skb+0xc1/0x2f0 [ 44.339327][ C1] ? set_rps_cpu+0x5d0/0x5d0 [ 44.343931][ C1] ? ipv6_rcv+0xed/0x230 [ 44.348187][ C1] ? ip6_rcv_finish+0x360/0x360 [ 44.353227][ C1] ? refcount_add+0x80/0x80 [ 44.357746][ C1] ? __kasan_check_write+0x14/0x20 [ 44.362871][ C1] __netif_receive_skb+0x72/0x280 [ 44.367909][ C1] process_backlog+0x351/0x600 [ 44.372776][ C1] __napi_poll+0xbb/0x580 [ 44.377117][ C1] net_rx_action+0x37f/0x910 [ 44.381721][ C1] ? net_tx_action+0x520/0x520 [ 44.386496][ C1] ? __schedule+0xbd7/0x14a0 [ 44.391187][ C1] handle_softirqs+0x250/0x560 [ 44.395980][ C1] ? ksoftirqd_should_run+0x20/0x20 [ 44.401193][ C1] run_ksoftirqd+0x28/0x40 [ 44.405885][ C1] smpboot_thread_fn+0x446/0x880 [ 44.410855][ C1] kthread+0x3f5/0x4f0 [ 44.414988][ C1] ? cpu_report_death+0x1b0/0x1b0 [ 44.420030][ C1] ? kthread_blkcg+0xd0/0xd0 [ 44.424636][ C1] ret_from_fork+0x1f/0x30 [ 44.429072][ C1] [ 44.432112][ C0] CPU: 0 PID: 6 Comm: kworker/0:0 Not tainted syzkaller #0 [ 44.439341][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 44.449421][ C0] Workqueue: mld mld_dad_work [ 44.454125][ C0] Call Trace: [ 44.457417][ C0] [ 44.460417][ C0] __dump_stack+0x21/0x30 [ 44.464764][ C0] dump_stack_lvl+0x110/0x170 [ 44.469452][ C0] ? show_regs_print_info+0x20/0x20 [ 44.474695][ C0] dump_stack+0x15/0x20 [ 44.478862][ C0] should_fail+0x3ab/0x500 [ 44.483390][ C0] ? ndisc_send_rs+0x310/0x960 [ 44.488178][ C0] __should_failslab+0xa4/0xe0 [ 44.492957][ C0] should_failslab+0x9/0x20 [ 44.497485][ C0] slab_pre_alloc_hook+0x39/0xd0 [ 44.502451][ C0] ? ndisc_send_rs+0x310/0x960 [ 44.507233][ C0] ? ndisc_send_rs+0x310/0x960 [ 44.512020][ C0] __kmalloc_track_caller+0x6c/0x2c0 [ 44.517408][ C0] ? ndisc_send_rs+0x310/0x960 [ 44.522183][ C0] ? ndisc_send_rs+0x310/0x960 [ 44.527056][ C0] __alloc_skb+0x210/0x730 [ 44.531525][ C0] ndisc_send_rs+0x310/0x960 [ 44.536136][ C0] addrconf_rs_timer+0x35a/0x600 [ 44.541088][ C0] ? addrconf_disable_policy_idev+0x360/0x360 [ 44.547304][ C0] ? _raw_spin_lock_irq+0x95/0xf0 [ 44.553305][ C0] ? _raw_spin_lock_irqsave+0x130/0x130 [ 44.560107][ C0] ? addrconf_disable_policy_idev+0x360/0x360 [ 44.566198][ C0] call_timer_fn+0x38/0x290 [ 44.570735][ C0] ? addrconf_disable_policy_idev+0x360/0x360 [ 44.576814][ C0] __run_timers+0x637/0x9a0 [ 44.581358][ C0] ? calc_index+0x200/0x200 [ 44.585879][ C0] ? sched_clock_cpu+0x18/0x3d0 [ 44.590740][ C0] run_timer_softirq+0x6a/0xf0 [ 44.595521][ C0] handle_softirqs+0x250/0x560 [ 44.600301][ C0] __irq_exit_rcu+0x52/0xf0 [ 44.604835][ C0] irq_exit_rcu+0x9/0x10 [ 44.609174][ C0] sysvec_apic_timer_interrupt+0xa9/0xc0 [ 44.614823][ C0] [ 44.617764][ C0] [ 44.620709][ C0] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 44.626793][ C0] RIP: 0010:__sanitizer_cov_trace_pc+0x36/0x60 [ 44.632973][ C0] Code: 90 b6 98 7e 65 8b 15 91 b6 98 7e 81 e2 00 01 ff 00 74 11 81 fa 00 01 00 00 75 35 83 b9 5c 0b 00 00 00 74 2c 8b 91 38 0b 00 00 <83> fa 02 75 21 48 8b 91 40 0b 00 00 48 8b 32 48 8d 7e 01 8b 89 3c [ 44.652593][ C0] RSP: 0018:ffffc90000067800 EFLAGS: 00000246 [ 44.658675][ C0] RAX: ffffffff8152422c RBX: ffffffff8564bda0 RCX: ffff8881002613c0 [ 44.666753][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffffff86711f80 [ 44.674740][ C0] RBP: ffffc90000067800 R08: 0000000000000003 R09: 0000000000000004 [ 44.682729][ C0] R10: dffffc0000000000 R11: fffffbfff0ce23f0 R12: dffffc0000000000 [ 44.690716][ C0] R13: 0000000000000200 R14: dffffc0000000004 R15: 1ffff9200000cf04 [ 44.698703][ C0] ? __printk_wait_on_cpu_lock+0x2c/0x40 [ 44.704356][ C0] __printk_wait_on_cpu_lock+0x2c/0x40 [ 44.709826][ C0] dump_stack_lvl+0xce/0x170 [ 44.714438][ C0] ? show_regs_print_info+0x20/0x20 [ 44.719645][ C0] ? prandom_u32+0x24d/0x290 [ 44.724250][ C0] dump_stack+0x15/0x20 [ 44.728423][ C0] should_fail+0x3ab/0x500 [ 44.732853][ C0] __should_failslab+0xa4/0xe0 [ 44.737627][ C0] should_failslab+0x9/0x20 [ 44.742143][ C0] slab_pre_alloc_hook+0x39/0xd0 [ 44.747333][ C0] ? dst_alloc+0x15c/0x1d0 [ 44.751784][ C0] kmem_cache_alloc+0x44/0x260 [ 44.756569][ C0] ? ipv6_sysctl_rtcache_flush+0x100/0x100 [ 44.762499][ C0] dst_alloc+0x15c/0x1d0 [ 44.766844][ C0] icmp6_dst_alloc+0xec/0x520 [ 44.771875][ C0] ? security_sk_classify_flow+0x7b/0x90 [ 44.777848][ C0] ? icmpv6_flow_init+0xd2/0x130 [ 44.782973][ C0] mld_sendpack+0x4d9/0xba0 [ 44.787865][ C0] ? add_grec+0x1340/0x1340 [ 44.792490][ C0] ? add_grec+0xf70/0x1340 [ 44.797468][ C0] ? memcpy+0x56/0x70 [ 44.802020][ C0] mld_send_initial_cr+0x1c0/0x320 [ 44.807162][ C0] mld_dad_work+0x3a/0x4e0 [ 44.811617][ C0] process_one_work+0x6c8/0xbb0 [ 44.816497][ C0] worker_thread+0xaa0/0x1250 [ 44.821201][ C0] kthread+0x3f5/0x4f0 [ 44.825296][ C0] ? worker_clr_flags+0x190/0x190 [ 44.830343][ C0] ? kthread_blkcg+0xd0/0xd0 [ 44.834967][ C0] ret_from_fork+0x1f/0x30 [ 44.839409][ C0] [ 44.842517][ T307] CPU: 1 PID: 307 Comm: kworker/1:3 Not tainted syzkaller #0 [ 44.849930][ T307] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 44.860012][ T307] Workqueue: mld mld_dad_work [ 44.864739][ T307] Call Trace: [ 44.868041][ T307] [ 44.870997][ T307] __dump_stack+0x21/0x30 [ 44.875365][ T307] dump_stack_lvl+0x110/0x170 [ 44.880075][ T307] ? show_regs_print_info+0x20/0x20 [ 44.885302][ T307] dump_stack+0x15/0x20 [ 44.889478][ T307] should_fail+0x3ab/0x500 [ 44.893921][ T307] __should_failslab+0xa4/0xe0 [ 44.898712][ T307] should_failslab+0x9/0x20 [ 44.903244][ T307] slab_pre_alloc_hook+0x39/0xd0 [ 44.908212][ T307] ? __alloc_skb+0xe4/0x730 [ 44.912737][ T307] kmem_cache_alloc+0x44/0x260 [ 44.917530][ T307] __alloc_skb+0xe4/0x730 [ 44.921884][ T307] mld_newpack+0x143/0x9e0 [ 44.926435][ T307] ? inet6_dump_fib+0xb80/0xb80 [ 44.931464][ T307] ? addrconf_dad_completed+0xba2/0xe20 [ 44.937059][ T307] ? netdev_refcnt_read+0x60/0x60 [ 44.942112][ T307] ? mld_sendpack+0xba0/0xba0 [ 44.946812][ T307] ? addrconf_dad_stop+0x440/0x440 [ 44.951940][ T307] ? add_grec+0xf70/0x1340 [ 44.956374][ T307] add_grec+0xee8/0x1340 [ 44.960652][ T307] ? rtnl_unlock+0xe/0x10 [ 44.965004][ T307] ? __kasan_check_write+0x14/0x20 [ 44.970135][ T307] ? pwq_activate_inactive_work+0x2ea/0x3f0 [ 44.976042][ T307] mld_send_initial_cr+0x157/0x320 [ 44.981171][ T307] mld_dad_work+0x3a/0x4e0 [ 44.985605][ T307] process_one_work+0x6c8/0xbb0 [ 44.990491][ T307] worker_thread+0xaa0/0x1250 [ 44.995191][ T307] ? __kasan_check_read+0x11/0x20 [ 45.000233][ T307] kthread+0x3f5/0x4f0 [ 45.004320][ T307] ? worker_clr_flags+0x190/0x190 [ 45.009356][ T307] ? kthread_blkcg+0xd0/0xd0 [ 45.013962][ T307] ret_from_fork+0x1f/0x30 [ 45.018397][ T307] [ 45.021425][ T6] CPU: 0 PID: 6 Comm: kworker/0:0 Not tainted syzkaller #0 [ 45.028738][ T6] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 45.038814][ T6] Workqueue: mld mld_dad_work [ 45.043511][ T6] Call Trace: [ 45.046914][ T6] [ 45.049880][ T6] __dump_stack+0x21/0x30 [ 45.054448][ T6] dump_stack_lvl+0x110/0x170 [ 45.059176][ T6] ? show_regs_print_info+0x20/0x20 [ 45.064505][ T6] ? prandom_u32+0x24d/0x290 [ 45.069467][ T6] dump_stack+0x15/0x20 [ 45.073655][ T6] should_fail+0x3ab/0x500 [ 45.078086][ T6] __should_failslab+0xa4/0xe0 [ 45.082872][ T6] should_failslab+0x9/0x20 [ 45.087479][ T6] slab_pre_alloc_hook+0x39/0xd0 [ 45.092978][ T6] ? dst_alloc+0x15c/0x1d0 [ 45.097614][ T6] kmem_cache_alloc+0x44/0x260 [ 45.102679][ T6] ? ipv6_sysctl_rtcache_flush+0x100/0x100 [ 45.108939][ T6] dst_alloc+0x15c/0x1d0 [ 45.113197][ T6] icmp6_dst_alloc+0xec/0x520 [ 45.117893][ T6] ? security_sk_classify_flow+0x7b/0x90 [ 45.123542][ T6] ? icmpv6_flow_init+0xd2/0x130 [ 45.128517][ T6] mld_sendpack+0x4d9/0xba0 [ 45.133039][ T6] ? add_grec+0x1340/0x1340 [ 45.137557][ T6] ? add_grec+0xf70/0x1340 [ 45.142011][ T6] ? memcpy+0x56/0x70 [ 45.146018][ T6] mld_send_initial_cr+0x1c0/0x320 [ 45.151148][ T6] mld_dad_work+0x3a/0x4e0 [ 45.155599][ T6] process_one_work+0x6c8/0xbb0 [ 45.160484][ T6] worker_thread+0xaa0/0x1250 [ 45.165184][ T6] kthread+0x3f5/0x4f0 [ 45.169269][ T6] ? worker_clr_flags+0x190/0x190 [ 45.174313][ T6] ? kthread_blkcg+0xd0/0xd0 [ 45.178920][ T6] ret_from_fork+0x1f/0x30 [ 45.183358][ T6] [ 45.186399][ T90] CPU: 1 PID: 90 Comm: klogd Not tainted syzkaller #0 [ 45.193194][ T90] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 45.203283][ T90] Call Trace: [ 45.206594][ T90] [ 45.209551][ T90] __dump_stack+0x21/0x30 [ 45.212219][ T306] FAULT_INJECTION: forcing a failure. [ 45.212219][ T306] name failslab, interval 1, probability 1, space 0, times 969 [ 45.213919][ T90] dump_stack_lvl+0x110/0x170 [ 45.213940][ T90] ? show_regs_print_info+0x20/0x20 [ 45.236616][ T90] ? prandom_u32+0x24d/0x290 [ 45.241236][ T90] dump_stack+0x15/0x20 [ 45.245409][ T90] should_fail+0x3ab/0x500 [ 45.249935][ T90] ? alloc_skb_with_frags+0xa8/0x620 [ 45.255236][ T90] __should_failslab+0xa4/0xe0 [ 45.260459][ T90] should_failslab+0x9/0x20 [ 45.264998][ T90] slab_pre_alloc_hook+0x39/0xd0 [ 45.269971][ T90] ? alloc_skb_with_frags+0xa8/0x620 [ 45.275290][ T90] ? alloc_skb_with_frags+0xa8/0x620 [ 45.280734][ T90] __kmalloc_track_caller+0x6c/0x2c0 [ 45.286055][ T90] ? alloc_skb_with_frags+0xa8/0x620 [ 45.291361][ T90] ? alloc_skb_with_frags+0xa8/0x620 [ 45.296668][ T90] __alloc_skb+0x210/0x730 [ 45.301105][ T90] alloc_skb_with_frags+0xa8/0x620 [ 45.306231][ T90] ? memcpy+0x56/0x70 [ 45.310231][ T90] sock_alloc_send_pskb+0x87f/0x9a0 [ 45.315462][ T90] ? sock_kzfree_s+0x60/0x60 [ 45.320092][ T90] ? __kasan_check_write+0x14/0x20 [ 45.325222][ T90] ? _raw_spin_lock+0x94/0xf0 [ 45.329919][ T90] ? _raw_spin_trylock_bh+0x150/0x150 [ 45.335398][ T90] unix_dgram_sendmsg+0x6f3/0x19b0 [ 45.340550][ T90] ? unix_dgram_poll+0x6c0/0x6c0 [ 45.345503][ T90] ? security_socket_sendmsg+0x82/0xa0 [ 45.350980][ T90] __sys_sendto+0x46d/0x620 [ 45.355524][ T90] ? __ia32_sys_getpeername+0x90/0x90 [ 45.360937][ T90] ? __kasan_check_write+0x14/0x20 [ 45.366067][ T90] __x64_sys_sendto+0xe5/0x100 [ 45.370852][ T90] x64_sys_call+0x178/0x9a0 [ 45.375375][ T90] do_syscall_64+0x4c/0xa0 [ 45.379804][ T90] ? clear_bhb_loop+0x50/0xa0 [ 45.384516][ T90] ? clear_bhb_loop+0x50/0xa0 [ 45.389232][ T90] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 45.395162][ T90] RIP: 0033:0x7f6eb8278407 [ 45.399598][ T90] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 45.419226][ T90] RSP: 002b:00007fffc974d120 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 45.428446][ T90] RAX: ffffffffffffffda RBX: 00007f6eb8128c80 RCX: 00007f6eb8278407 [ 45.436443][ T90] RDX: 000000000000004b RSI: 00007fffc974d260 RDI: 0000000000000003 [ 45.444449][ T90] RBP: 00007fffc974d690 R08: 0000000000000000 R09: 0000000000000000 [ 45.452447][ T90] R10: 0000000000004000 R11: 0000000000000202 R12: 00007fffc974d6a8 [ 45.460432][ T90] R13: 00007fffc974d260 R14: 0000000000000030 R15: 00007fffc974d260 [ 45.468421][ T90] [ 45.471459][ T306] CPU: 0 PID: 306 Comm: kworker/0:2 Not tainted syzkaller #0 [ 45.478503][ T319] FAULT_INJECTION: forcing a failure. [ 45.478503][ T319] name failslab, interval 1, probability 1, space 0, times 969 [ 45.478857][ T306] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 45.500090][ T308] FAULT_INJECTION: forcing a failure. [ 45.500090][ T308] name failslab, interval 1, probability 1, space 0, times 969 [ 45.501711][ T306] Workqueue: mld mld_dad_work [ 45.518454][ T101] FAULT_INJECTION: forcing a failure. [ 45.518454][ T101] name failslab, interval 1, probability 1, space 0, times 969 [ 45.519152][ T306] Call Trace: [ 45.519161][ T306] [ 45.538158][ T306] __dump_stack+0x21/0x30 [ 45.542509][ T306] dump_stack_lvl+0x110/0x170 [ 45.547200][ T306] ? show_regs_print_info+0x20/0x20 [ 45.552419][ T306] dump_stack+0x15/0x20 [ 45.556587][ T306] should_fail+0x3ab/0x500 [ 45.561029][ T306] ? __neigh_notify+0x84/0x130 [ 45.565814][ T306] __should_failslab+0xa4/0xe0 [ 45.570596][ T306] should_failslab+0x9/0x20 [ 45.575112][ T306] slab_pre_alloc_hook+0x39/0xd0 [ 45.580068][ T306] ? __neigh_notify+0x84/0x130 [ 45.584848][ T306] ? __neigh_notify+0x84/0x130 [ 45.589632][ T306] __kmalloc_track_caller+0x6c/0x2c0 [ 45.594934][ T306] ? __neigh_notify+0x84/0x130 [ 45.599713][ T306] ? __neigh_notify+0x84/0x130 [ 45.604510][ T306] __alloc_skb+0x210/0x730 [ 45.608944][ T306] __neigh_notify+0x84/0x130 [ 45.613553][ T306] neigh_cleanup_and_release+0x2c/0x1a0 [ 45.619118][ T306] neigh_remove_one+0x36e/0x3f0 [ 45.623988][ T306] ___neigh_create+0x492/0x1c50 [ 45.628855][ T306] ? arch_stack_walk+0x108/0x140 [ 45.633813][ T306] __neigh_create+0x31/0x40 [ 45.638331][ T306] ip6_finish_output2+0xae3/0x1790 [ 45.643459][ T306] ? __ip6_finish_output+0x7e0/0x7e0 [ 45.648753][ T306] ? ip6t_do_table+0x1355/0x1510 [ 45.653706][ T306] __ip6_finish_output+0x621/0x7e0 [ 45.658859][ T306] ip6_finish_output+0x31/0x220 [ 45.663724][ T306] ? ip6_output+0x3ea/0x410 [ 45.668242][ T306] ip6_output+0x1fa/0x410 [ 45.672590][ T306] ? ac6_seq_show+0xf0/0xf0 [ 45.677109][ T306] ? ip6_output+0x410/0x410 [ 45.681644][ T306] mld_sendpack+0x68d/0xba0 [ 45.686165][ T306] ? add_grec+0x1340/0x1340 [ 45.690851][ T306] ? add_grec+0xf70/0x1340 [ 45.695383][ T306] ? igmp6_send+0x1040/0x1040 [ 45.700086][ T306] ? __kasan_check_write+0x14/0x20 [ 45.705218][ T306] mld_send_initial_cr+0x1c0/0x320 [ 45.710353][ T306] mld_dad_work+0x3a/0x4e0 [ 45.714785][ T306] process_one_work+0x6c8/0xbb0 [ 45.719654][ T306] worker_thread+0xaa0/0x1250 [ 45.724434][ T306] kthread+0x3f5/0x4f0 [ 45.728515][ T306] ? worker_clr_flags+0x190/0x190 [ 45.733560][ T306] ? kthread_blkcg+0xd0/0xd0 [ 45.738192][ T306] ret_from_fork+0x1f/0x30 [ 45.742631][ T306] [ 45.745685][ T308] CPU: 1 PID: 308 Comm: udevd Not tainted syzkaller #0 [ 45.751681][ T349] syz.2.8 (349) used greatest stack depth: 22560 bytes left [ 45.752563][ T308] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 45.769918][ T308] Call Trace: [ 45.773210][ T308] [ 45.776153][ T308] __dump_stack+0x21/0x30 [ 45.780501][ T308] dump_stack_lvl+0x110/0x170 [ 45.785187][ T308] ? show_regs_print_info+0x20/0x20 [ 45.790400][ T308] dump_stack+0x15/0x20 [ 45.794563][ T308] should_fail+0x3ab/0x500 [ 45.798992][ T308] __should_failslab+0xa4/0xe0 [ 45.803767][ T308] should_failslab+0x9/0x20 [ 45.808287][ T308] slab_pre_alloc_hook+0x39/0xd0 [ 45.813235][ T308] ? seq_open+0x61/0x130 [ 45.817572][ T308] kmem_cache_alloc+0x44/0x260 [ 45.822348][ T308] seq_open+0x61/0x130 [ 45.826687][ T308] kernfs_fop_open+0x501/0xbb0 [ 45.831462][ T308] ? kernfs_fop_mmap+0x400/0x400 [ 45.836597][ T308] do_dentry_open+0x82a/0x1010 [ 45.841383][ T308] vfs_open+0x73/0x80 [ 45.845377][ T308] path_openat+0x26e6/0x2f80 [ 45.849986][ T308] ? __kasan_slab_alloc+0xc9/0xe0 [ 45.855025][ T308] ? slab_post_alloc_hook+0x4f/0x2b0 [ 45.860438][ T308] ? __x64_sys_openat+0x136/0x160 [ 45.865487][ T308] ? x64_sys_call+0x219/0x9a0 [ 45.870191][ T308] ? do_syscall_64+0x4c/0xa0 [ 45.874798][ T308] ? do_filp_open+0x400/0x400 [ 45.879487][ T308] do_filp_open+0x1df/0x400 [ 45.884007][ T308] ? vfs_tmpfile+0x2d0/0x2d0 [ 45.888615][ T308] do_sys_openat2+0x15e/0x7f0 [ 45.893312][ T308] ? ____kasan_slab_free+0x130/0x160 [ 45.898631][ T308] ? slab_free_freelist_hook+0xc2/0x190 [ 45.904207][ T308] ? do_sys_open+0xe0/0xe0 [ 45.908650][ T308] ? __se_sys_flock+0x47c/0x5b0 [ 45.913513][ T308] __x64_sys_openat+0x136/0x160 [ 45.918462][ T308] x64_sys_call+0x219/0x9a0 [ 45.922986][ T308] do_syscall_64+0x4c/0xa0 [ 45.927417][ T308] ? clear_bhb_loop+0x50/0xa0 [ 45.932137][ T308] ? clear_bhb_loop+0x50/0xa0 [ 45.936827][ T308] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 45.942732][ T308] RIP: 0033:0x7fca9796c407 [ 45.947161][ T308] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 45.966791][ T308] RSP: 002b:00007ffcba4fb250 EFLAGS: 00000202 ORIG_RAX: 0000000000000101 [ 45.976373][ T308] RAX: ffffffffffffffda RBX: 00007fca9787e880 RCX: 00007fca9796c407 [ 45.984460][ T308] RDX: 0000000000080000 RSI: 00007ffcba4fb3d0 RDI: ffffffffffffff9c [ 45.992454][ T308] RBP: 0000000000000008 R08: 0000000000000000 R09: 0000000000000000 [ 46.000456][ T308] R10: 0000000000000000 R11: 0000000000000202 R12: 000055de7ae137f5 [ 46.008459][ T308] R13: 000055de7ae137f5 R14: 0000000000000001 R15: 000055de7ae2e140 [ 46.016448][ T308] [ 46.019617][ T101] CPU: 1 PID: 101 Comm: udevd Not tainted syzkaller #0 [ 46.026520][ T101] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 46.036605][ T101] Call Trace: [ 46.039939][ T101] [ 46.042913][ T101] __dump_stack+0x21/0x30 [ 46.047262][ T101] dump_stack_lvl+0x110/0x170 [ 46.051971][ T101] ? show_regs_print_info+0x20/0x20 [ 46.057189][ T101] ? prandom_u32+0x24d/0x290 [ 46.061836][ T101] dump_stack+0x15/0x20 [ 46.066030][ T101] should_fail+0x3ab/0x500 [ 46.070475][ T101] __should_failslab+0xa4/0xe0 [ 46.075255][ T101] should_failslab+0x9/0x20 [ 46.079776][ T101] slab_pre_alloc_hook+0x39/0xd0 [ 46.084734][ T101] ? anon_vma_clone+0xb7/0x4c0 [ 46.089510][ T101] kmem_cache_alloc+0x44/0x260 [ 46.094290][ T101] anon_vma_clone+0xb7/0x4c0 [ 46.098904][ T101] anon_vma_fork+0x8f/0x520 [ 46.103444][ T101] ? anon_vma_name+0x43/0x70 [ 46.108059][ T101] copy_mm+0x9f9/0x13a0 [ 46.112582][ T101] ? copy_signal+0x5f0/0x5f0 [ 46.117191][ T101] ? __init_rwsem+0xfc/0x1d0 [ 46.121829][ T101] ? copy_signal+0x4cc/0x5f0 [ 46.126435][ T101] copy_process+0x1184/0x3280 [ 46.131139][ T101] ? _raw_spin_unlock_bh+0x51/0x60 [ 46.136270][ T101] ? __pidfd_prepare+0x150/0x150 [ 46.141248][ T101] ? selinux_socket_setsockopt+0x282/0x360 [ 46.147213][ T101] kernel_clone+0x233/0x960 [ 46.151751][ T101] ? __kasan_check_write+0x14/0x20 [ 46.156879][ T101] ? _raw_spin_lock_irq+0x95/0xf0 [ 46.161924][ T101] ? create_io_thread+0x170/0x170 [ 46.166963][ T101] ? recalc_sigpending+0x1ac/0x230 [ 46.172091][ T101] __x64_sys_clone+0x198/0x210 [ 46.177231][ T101] ? __ia32_sys_vfork+0x130/0x130 [ 46.182333][ T101] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 46.188575][ T101] x64_sys_call+0x41f/0x9a0 [ 46.193115][ T101] do_syscall_64+0x4c/0xa0 [ 46.197547][ T101] ? clear_bhb_loop+0x50/0xa0 [ 46.202243][ T101] ? clear_bhb_loop+0x50/0xa0 [ 46.206939][ T101] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 46.212943][ T101] RIP: 0033:0x7fca979b6636 [ 46.217390][ T101] Code: 89 df e8 6d e8 f6 ff 45 31 c0 31 d2 31 f6 64 48 8b 04 25 10 00 00 00 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 52 89 c5 85 c0 75 31 64 48 8b 04 25 10 00 00 [ 46.237893][ T101] RSP: 002b:00007ffcba503c30 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 46.246603][ T101] RAX: ffffffffffffffda RBX: 00007ffcba503c38 RCX: 00007fca979b6636 [ 46.254600][ T101] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 46.262673][ T101] RBP: 000055dea1b5d2c0 R08: 0000000000000000 R09: 0000000000000210 [ 46.270665][ T101] R10: 00007fca9787eb50 R11: 0000000000000246 R12: 00007ffcba503ff0 [ 46.278751][ T101] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 46.286830][ T101] [ 46.289867][ T319] CPU: 0 PID: 319 Comm: udevd Not tainted syzkaller #0 [ 46.297100][ T319] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 46.307524][ T319] Call Trace: [ 46.310837][ T319] [ 46.313798][ T319] __dump_stack+0x21/0x30 [ 46.314215][ T39] FAULT_INJECTION: forcing a failure. [ 46.314215][ T39] name failslab, interval 1, probability 1, space 0, times 965 [ 46.318242][ T319] dump_stack_lvl+0x110/0x170 [ 46.335951][ T319] ? show_regs_print_info+0x20/0x20 [ 46.341171][ T319] ? prandom_u32+0x24d/0x290 [ 46.345785][ T319] dump_stack+0x15/0x20 [ 46.349962][ T319] should_fail+0x3ab/0x500 [ 46.354654][ T319] __should_failslab+0xa4/0xe0 [ 46.359437][ T319] should_failslab+0x9/0x20 [ 46.364219][ T319] slab_pre_alloc_hook+0x39/0xd0 [ 46.369641][ T319] __kmalloc+0x6d/0x2c0 [ 46.373909][ T319] ? inotify_handle_inode_event+0x176/0x4e0 [ 46.380082][ T319] inotify_handle_inode_event+0x176/0x4e0 [ 46.386083][ T319] inotify_ignored_and_remove_idr+0x29/0x70 [ 46.391998][ T319] inotify_freeing_mark+0x1d/0x30 [ 46.397208][ T319] ? inotify_free_group_priv+0x80/0x80 [ 46.402686][ T319] fsnotify_destroy_mark+0x12f/0x190 [ 46.408594][ T319] __se_sys_inotify_rm_watch+0x164/0x230 [ 46.414330][ T319] __x64_sys_inotify_rm_watch+0x5b/0x70 [ 46.419895][ T319] x64_sys_call+0x77c/0x9a0 [ 46.424443][ T319] do_syscall_64+0x4c/0xa0 [ 46.429049][ T319] ? clear_bhb_loop+0x50/0xa0 [ 46.433914][ T319] ? clear_bhb_loop+0x50/0xa0 [ 46.438790][ T319] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 46.444964][ T319] RIP: 0033:0x7fca979e6a07 [ 46.449588][ T319] Code: 73 01 c3 48 8b 0d f1 f3 0c 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 ff 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c1 f3 0c 00 f7 d8 64 89 01 48 [ 46.470253][ T319] RSP: 002b:00007ffcba5038a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ff [ 46.478787][ T319] RAX: ffffffffffffffda RBX: 000055dea1d9fd40 RCX: 00007fca979e6a07 [ 46.486866][ T319] RDX: 0000000000000007 RSI: 000000000000003c RDI: 0000000000000007 [ 46.494851][ T319] RBP: 000000000000003c R08: 00000000000001e0 R09: 0000000000000000 [ 46.502834][ T319] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffcba5038b0 [ 46.510837][ T319] R13: 0000000003938700 R14: 000055de7ae2e100 R15: 000055de7ae2e140 [ 46.518828][ T319] [ 46.521866][ T39] CPU: 1 PID: 39 Comm: kworker/1:1 Not tainted syzkaller #0 [ 46.529182][ T39] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 46.539263][ T39] Workqueue: mld mld_dad_work [ 46.543966][ T39] Call Trace: [ 46.547255][ T39] [ 46.550211][ T39] __dump_stack+0x21/0x30 [ 46.554562][ T39] dump_stack_lvl+0x110/0x170 [ 46.559251][ T39] ? show_regs_print_info+0x20/0x20 [ 46.564466][ T39] dump_stack+0x15/0x20 [ 46.568633][ T39] should_fail+0x3ab/0x500 [ 46.573062][ T39] ? __neigh_notify+0x84/0x130 [ 46.577840][ T39] __should_failslab+0xa4/0xe0 [ 46.582624][ T39] should_failslab+0x9/0x20 [ 46.587141][ T39] slab_pre_alloc_hook+0x39/0xd0 [ 46.592097][ T39] ? __neigh_notify+0x84/0x130 [ 46.596884][ T39] ? __neigh_notify+0x84/0x130 [ 46.601674][ T39] __kmalloc_track_caller+0x6c/0x2c0 [ 46.606985][ T39] ? __neigh_notify+0x84/0x130 [ 46.611772][ T39] ? __neigh_notify+0x84/0x130 [ 46.616662][ T39] __alloc_skb+0x210/0x730 [ 46.621110][ T39] __neigh_notify+0x84/0x130 [ 46.625721][ T39] neigh_cleanup_and_release+0x2c/0x1a0 [ 46.631292][ T39] neigh_remove_one+0x36e/0x3f0 [ 46.636155][ T39] ___neigh_create+0x492/0x1c50 [ 46.641026][ T39] ? arch_stack_walk+0x108/0x140 [ 46.645976][ T39] __neigh_create+0x31/0x40 [ 46.650492][ T39] ip6_finish_output2+0xae3/0x1790 [ 46.655615][ T39] ? __ip6_finish_output+0x7e0/0x7e0 [ 46.660913][ T39] ? ip6t_do_table+0x1355/0x1510 [ 46.666729][ T39] __ip6_finish_output+0x621/0x7e0 [ 46.671868][ T39] ip6_finish_output+0x31/0x220 [ 46.676735][ T39] ? ip6_output+0x3ea/0x410 [ 46.681273][ T39] ip6_output+0x1fa/0x410 [ 46.685642][ T39] ? ac6_seq_show+0xf0/0xf0 [ 46.690159][ T39] ? ip6_output+0x410/0x410 [ 46.695025][ T39] mld_sendpack+0x68d/0xba0 [ 46.699665][ T39] ? add_grec+0x1340/0x1340 [ 46.704471][ T39] ? add_grec+0xf70/0x1340 [ 46.711642][ T39] ? igmp6_send+0x1040/0x1040 [ 46.717824][ T39] ? __kasan_check_write+0x14/0x20 [ 46.722981][ T39] mld_send_initial_cr+0x1c0/0x320 [ 46.728124][ T39] mld_dad_work+0x3a/0x4e0 [ 46.732557][ T39] process_one_work+0x6c8/0xbb0 [ 46.737423][ T39] worker_thread+0xaa0/0x1250 [ 46.742119][ T39] ? __kasan_check_read+0x11/0x20 [ 46.747158][ T39] kthread+0x3f5/0x4f0 [ 46.751234][ T39] ? worker_clr_flags+0x190/0x190 [ 46.756267][ T39] ? kthread_blkcg+0xd0/0xd0 [ 46.760921][ T39] ret_from_fork+0x1f/0x30 [ 46.765387][ T39] [ 46.769232][ T278] CPU: 0 PID: 278 Comm: syz-executor Not tainted syzkaller #0 [ 46.776727][ T278] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 46.786806][ T278] Call Trace: [ 46.790104][ T278] [ 46.793045][ T278] __dump_stack+0x21/0x30 [ 46.797388][ T278] dump_stack_lvl+0x110/0x170 [ 46.802076][ T278] ? show_regs_print_info+0x20/0x20 [ 46.807290][ T278] ? prandom_u32+0x24d/0x290 [ 46.811891][ T278] dump_stack+0x15/0x20 [ 46.816081][ T278] should_fail+0x3ab/0x500 [ 46.820643][ T278] __should_failslab+0xa4/0xe0 [ 46.825422][ T278] should_failslab+0x9/0x20 [ 46.829937][ T278] slab_pre_alloc_hook+0x39/0xd0 [ 46.834892][ T278] ? __alloc_skb+0xe4/0x730 [ 46.839439][ T278] kmem_cache_alloc+0x44/0x260 [ 46.844219][ T278] ? ____kasan_slab_free+0x130/0x160 [ 46.849546][ T278] __alloc_skb+0xe4/0x730 [ 46.853890][ T278] __tcp_send_ack+0x9b/0x6c0 [ 46.858498][ T278] ? kmem_cache_free+0x100/0x320 [ 46.863455][ T278] tcp_send_ack+0x3b/0x60 [ 46.867799][ T278] __tcp_ack_snd_check+0x40e/0x900 [ 46.872927][ T278] tcp_rcv_established+0x1188/0x1ad0 [ 46.878225][ T278] ? tcp_check_space+0x960/0x960 [ 46.883173][ T278] ? irqentry_exit+0x37/0x40 [ 46.887780][ T278] ? ipv4_dst_check+0xf2/0x160 [ 46.893197][ T278] tcp_v4_do_rcv+0x591/0x9f0 [ 46.898001][ T278] __release_sock+0x17c/0x3f0 [ 46.902720][ T278] release_sock+0x60/0x1b0 [ 46.907171][ T278] tcp_sendmsg+0x39/0x50 [ 46.911435][ T278] inet_sendmsg+0xa5/0xc0 [ 46.915813][ T278] sock_write_iter+0x2a6/0x3a0 [ 46.920615][ T278] ? sock_read_iter+0x380/0x380 [ 46.925486][ T278] ? memset+0x35/0x40 [ 46.929579][ T278] ? iov_iter_init+0xbc/0x180 [ 46.934292][ T278] vfs_write+0x831/0xfd0 [ 46.938662][ T278] ? file_end_write+0x1b0/0x1b0 [ 46.943689][ T278] ? __kasan_check_read+0x11/0x20 [ 46.948740][ T278] ? __fdget_pos+0x1f7/0x380 [ 46.953363][ T278] ksys_write+0x14a/0x260 [ 46.957726][ T278] ? __ia32_sys_read+0x90/0x90 [ 46.962653][ T278] ? debug_smp_processor_id+0x17/0x20 [ 46.968055][ T278] __x64_sys_write+0x7b/0x90 [ 46.972674][ T278] x64_sys_call+0x8ef/0x9a0 [ 46.977202][ T278] do_syscall_64+0x4c/0xa0 [ 46.981646][ T278] ? clear_bhb_loop+0x50/0xa0 [ 46.986344][ T278] ? clear_bhb_loop+0x50/0xa0 [ 46.991057][ T278] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 46.996974][ T278] RIP: 0033:0x7f669ca40017 [ 47.001406][ T278] Code: 48 89 fa 4c 89 df e8 a8 56 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 47.021031][ T278] RSP: 002b:00007fff418385b0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 47.029467][ T278] RAX: ffffffffffffffda RBX: 00005555906ad500 RCX: 00007f669ca40017 [ 47.037455][ T278] RDX: 00000000000169b0 RSI: 00007f6698ad0650 RDI: 0000000000000003 [ 47.045528][ T278] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 47.053514][ T278] R10: 0000000000000000 R11: 0000000000000202 R12: 00000000000169b0 [ 47.061494][ T278] R13: 00005555906c57f0 R14: 00007fff41838b50 R15: 00007f6698ad0650 [ 47.069485][ T278] [ 47.075539][ T286] FAULT_INJECTION: forcing a failure. [ 47.075539][ T286] name failslab, interval 1, probability 1, space 0, times 960 [ 47.077909][ T287] FAULT_INJECTION: forcing a failure. [ 47.077909][ T287] name failslab, interval 1, probability 1, space 0, times 960 [ 47.103017][ T101] FAULT_INJECTION: forcing a failure. [ 47.103017][ T101] name failslab, interval 1, probability 1, space 0, times 960 [ 47.105511][ T286] CPU: 0 PID: 286 Comm: syz-executor Not tainted syzkaller #0 [ 47.120392][ T357] FAULT_INJECTION: forcing a failure. [ 47.120392][ T357] name failslab, interval 1, probability 1, space 0, times 960 [ 47.123316][ T286] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 47.123330][ T286] Call Trace: [ 47.123336][ T286] [ 47.123344][ T286] __dump_stack+0x21/0x30 [ 47.156718][ T286] dump_stack_lvl+0x110/0x170 [ 47.161407][ T286] ? show_regs_print_info+0x20/0x20 [ 47.166829][ T286] dump_stack+0x15/0x20 [ 47.171008][ T286] should_fail+0x3ab/0x500 [ 47.175467][ T286] __should_failslab+0xa4/0xe0 [ 47.180258][ T286] should_failslab+0x9/0x20 [ 47.184786][ T286] slab_pre_alloc_hook+0x39/0xd0 [ 47.189740][ T286] kmem_cache_alloc_trace+0x48/0x270 [ 47.195048][ T286] ? kobject_uevent_env+0x271/0x700 [ 47.200551][ T286] kobject_uevent_env+0x271/0x700 [ 47.205699][ T286] kobject_uevent+0x1d/0x30 [ 47.210226][ T286] __kobject_del+0xd3/0x2c0 [ 47.214754][ T286] kobject_put+0x1db/0x270 [ 47.219369][ T286] netdev_queue_update_kobjects+0x37b/0x3e0 [ 47.225283][ T286] netdev_unregister_kobject+0x106/0x260 [ 47.230936][ T286] unregister_netdevice_many+0x14e4/0x1a00 [ 47.236763][ T286] ? alloc_netdev_mqs+0xe20/0xe20 [ 47.241810][ T286] ? __queue_delayed_work+0x188/0x200 [ 47.247199][ T286] ? __kasan_check_read+0x11/0x20 [ 47.253105][ T286] unregister_netdevice_queue+0x2e1/0x320 [ 47.258842][ T286] ? __kasan_check_read+0x11/0x20 [ 47.263881][ T286] ? linkwatch_urgent_event+0x34d/0x460 [ 47.269438][ T286] ? list_netdevice+0x4c0/0x4c0 [ 47.274303][ T286] __tun_detach+0xc9d/0x1450 [ 47.278916][ T286] tun_chr_close+0x92/0x140 [ 47.283446][ T286] ? tun_chr_open+0x540/0x540 [ 47.288140][ T286] __fput+0x22b/0x900 [ 47.292145][ T286] ____fput+0x15/0x20 [ 47.296138][ T286] task_work_run+0x127/0x190 [ 47.300747][ T286] do_exit+0xb70/0x29a0 [ 47.304927][ T286] ? put_task_struct+0x90/0x90 [ 47.309701][ T286] ? __fdget_pos+0x1f7/0x380 [ 47.314312][ T286] ? ksys_write+0x1eb/0x260 [ 47.318844][ T286] ? __ia32_sys_read+0x90/0x90 [ 47.323651][ T286] do_group_exit+0x149/0x310 [ 47.328260][ T286] __x64_sys_exit_group+0x3f/0x40 [ 47.333293][ T286] x64_sys_call+0x832/0x9a0 [ 47.337816][ T286] do_syscall_64+0x4c/0xa0 [ 47.342241][ T286] ? clear_bhb_loop+0x50/0xa0 [ 47.346932][ T286] ? clear_bhb_loop+0x50/0xa0 [ 47.351623][ T286] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 47.357549][ T286] RIP: 0033:0x7fe37b395e99 [ 47.361984][ T286] Code: Unable to access opcode bytes at RIP 0x7fe37b395e6f. [ 47.363492][ C1] FAULT_INJECTION: forcing a failure. [ 47.363492][ C1] name failslab, interval 1, probability 1, space 0, times 960 [ 47.369361][ T286] RSP: 002b:00007fff489731e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 47.390552][ T286] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe37b395e99 [ 47.398541][ T286] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000043 [ 47.406528][ T286] RBP: 00007fe37b3ffd20 R08: 0000000000000000 R09: 00000000000927c0 [ 47.414512][ T286] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000017 [ 47.422500][ T286] R13: 00000000000927c0 R14: 0000000000000000 R15: 00007fff48973a80 [ 47.430593][ T286] [ 47.433641][ C1] CPU: 1 PID: 281 Comm: syz-executor Not tainted syzkaller #0 [ 47.440488][ T90] FAULT_INJECTION: forcing a failure. [ 47.440488][ T90] name failslab, interval 1, probability 1, space 0, times 960 [ 47.441149][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 47.457608][ T319] FAULT_INJECTION: forcing a failure. [ 47.457608][ T319] name failslab, interval 1, probability 1, space 0, times 960 [ 47.464141][ C1] Call Trace: [ 47.464153][ C1] [ 47.464162][ C1] __dump_stack+0x21/0x30 [ 47.464185][ C1] dump_stack_lvl+0x110/0x170 [ 47.464201][ C1] ? show_regs_print_info+0x20/0x20 [ 47.464221][ C1] ? prandom_u32+0x24d/0x290 [ 47.502086][ C1] dump_stack+0x15/0x20 [ 47.506266][ C1] should_fail+0x3ab/0x500 [ 47.510711][ C1] ? wg_packet_send_keepalive+0x62/0x1c0 [ 47.516361][ C1] __should_failslab+0xa4/0xe0 [ 47.521141][ C1] should_failslab+0x9/0x20 [ 47.525660][ C1] slab_pre_alloc_hook+0x39/0xd0 [ 47.530617][ C1] ? wg_packet_send_keepalive+0x62/0x1c0 [ 47.536273][ C1] ? wg_packet_send_keepalive+0x62/0x1c0 [ 47.541926][ C1] __kmalloc_track_caller+0x6c/0x2c0 [ 47.547225][ C1] ? wg_packet_send_keepalive+0x62/0x1c0 [ 47.552878][ C1] ? wg_packet_send_keepalive+0x62/0x1c0 [ 47.558527][ C1] __alloc_skb+0x210/0x730 [ 47.562962][ C1] wg_packet_send_keepalive+0x62/0x1c0 [ 47.568440][ C1] ? wg_expired_send_persistent_keepalive+0x44/0x80 [ 47.575044][ C1] wg_expired_send_persistent_keepalive+0x53/0x80 [ 47.581475][ C1] ? wg_expired_zero_key_material+0x170/0x170 [ 47.587560][ C1] call_timer_fn+0x38/0x290 [ 47.592080][ C1] ? wg_expired_zero_key_material+0x170/0x170 [ 47.598162][ C1] __run_timers+0x637/0x9a0 [ 47.602712][ C1] ? calc_index+0x200/0x200 [ 47.607325][ C1] ? sched_clock_cpu+0x18/0x3d0 [ 47.612232][ C1] run_timer_softirq+0x6a/0xf0 [ 47.617012][ C1] handle_softirqs+0x250/0x560 [ 47.621823][ C1] __irq_exit_rcu+0x52/0xf0 [ 47.626344][ C1] irq_exit_rcu+0x9/0x10 [ 47.630596][ C1] sysvec_apic_timer_interrupt+0xa9/0xc0 [ 47.636248][ C1] [ 47.639195][ C1] [ 47.642164][ C1] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 47.648250][ C1] RIP: 0010:__stack_depot_save+0x95/0x480 [ 47.653999][ C1] Code: df 03 37 03 57 04 44 03 6f 08 45 89 e9 41 c1 c1 04 44 29 ee 41 31 f1 41 01 d5 44 29 ca 45 89 ca 41 c1 c2 06 41 31 d2 45 01 e9 <45> 89 d3 41 c1 c3 08 45 29 d5 45 31 eb 45 01 ca 45 29 d9 44 89 de [ 47.673708][ C1] RSP: 0018:ffffc900009774a8 EFLAGS: 00000296 [ 47.679789][ C1] RAX: 0000000000000000 RBX: ffffc90000977560 RCX: 0000000000000010 [ 47.687775][ C1] RDX: 000000006537ce83 RSI: 000000004ff77a78 RDI: ffffc9000097756c [ 47.695768][ C1] RBP: ffffc90000977500 R08: 000000000000001d R09: 00000000cd3f6284 [ 47.703759][ C1] R10: 000000005742ecc9 R11: 000000004956dc7a R12: dffffc0000000000 [ 47.711748][ C1] R13: 00000000a4758dfb R14: 0000000000002800 R15: 0000000000000001 [ 47.719745][ C1] ? __stack_depot_save+0x34/0x480 [ 47.724885][ C1] ? stack_trace_save+0xa6/0xf0 [ 47.730043][ C1] stack_depot_save+0xe/0x10 [ 47.734651][ C1] save_stack+0x12f/0x230 [ 47.738998][ C1] ? __reset_page_owner+0x190/0x190 [ 47.744395][ C1] ? free_unref_page_prepare+0x5fa/0x600 [ 47.750484][ C1] ? free_unref_page+0xae/0x540 [ 47.755345][ C1] ? __free_pages+0x6c/0x100 [ 47.759944][ C1] ? __vunmap+0x801/0x980 [ 47.764284][ C1] ? vfree+0x8b/0xc0 [ 47.768198][ C1] ? kcov_close+0x2b/0x50 [ 47.772548][ C1] ? __fput+0x22b/0x900 [ 47.776732][ C1] ? ____fput+0x15/0x20 [ 47.781023][ C1] ? task_work_run+0x127/0x190 [ 47.785921][ C1] ? do_exit+0xb70/0x29a0 [ 47.790274][ C1] ? do_group_exit+0x149/0x310 [ 47.795061][ C1] ? get_signal+0x64f/0x1430 [ 47.799680][ C1] ? arch_do_signal_or_restart+0xe2/0x1100 [ 47.805504][ C1] ? exit_to_user_mode_loop+0xa7/0xe0 [ 47.810906][ C1] ? exit_to_user_mode_prepare+0x87/0xd0 [ 47.816550][ C1] ? syscall_exit_to_user_mode+0x1a/0x30 [ 47.822213][ C1] ? kvm_sched_clock_read+0x18/0x40 [ 47.828063][ C1] ? sched_clock+0x9/0x10 [ 47.832628][ C1] __reset_page_owner+0x35/0x190 [ 47.838208][ C1] ? _raw_spin_trylock+0xb7/0x150 [ 47.843365][ C1] free_unref_page_prepare+0x5fa/0x600 [ 47.849070][ C1] ? free_unref_page_commit+0x187/0x3f0 [ 47.854652][ C1] free_unref_page+0xae/0x540 [ 47.859355][ C1] ? mark_free_pages+0x700/0x700 [ 47.864513][ C1] __free_pages+0x6c/0x100 [ 47.868972][ C1] __vunmap+0x801/0x980 [ 47.873163][ C1] ? rcu_gp_kthread_wake+0x90/0x90 [ 47.878931][ C1] vfree+0x8b/0xc0 [ 47.882912][ C1] kcov_close+0x2b/0x50 [ 47.887101][ C1] ? kcov_open+0x60/0x60 [ 47.891513][ C1] __fput+0x22b/0x900 [ 47.895526][ C1] ____fput+0x15/0x20 [ 47.899538][ C1] task_work_run+0x127/0x190 [ 47.904165][ C1] do_exit+0xb70/0x29a0 [ 47.908344][ C1] ? put_task_struct+0x90/0x90 [ 47.913122][ C1] ? release_firmware_map_entry+0x190/0x190 [ 47.919134][ C1] ? child_wait_callback+0x220/0x220 [ 47.926106][ C1] ? __kasan_check_write+0x14/0x20 [ 47.931248][ C1] ? _raw_spin_lock_irq+0x95/0xf0 [ 47.936291][ C1] do_group_exit+0x149/0x310 [ 47.940898][ C1] ? __kasan_check_write+0x14/0x20 [ 47.946026][ C1] ? recalc_sigpending+0x1c4/0x230 [ 47.951154][ C1] get_signal+0x64f/0x1430 [ 47.955587][ C1] arch_do_signal_or_restart+0xe2/0x1100 [ 47.961334][ C1] ? __x64_sys_wait4+0x1b4/0x230 [ 47.966658][ C1] ? get_sigframe_size+0x10/0x10 [ 47.971619][ C1] ? kernel_wait+0x1c0/0x1c0 [ 47.976928][ C1] exit_to_user_mode_loop+0xa7/0xe0 [ 47.982152][ C1] exit_to_user_mode_prepare+0x87/0xd0 [ 47.987639][ C1] syscall_exit_to_user_mode+0x1a/0x30 [ 47.993195][ C1] do_syscall_64+0x58/0xa0 [ 47.997693][ C1] ? clear_bhb_loop+0x50/0xa0 [ 48.002386][ C1] ? clear_bhb_loop+0x50/0xa0 [ 48.007092][ C1] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 48.013003][ C1] RIP: 0033:0x7fe37b351017 [ 48.017451][ C1] Code: Unable to access opcode bytes at RIP 0x7fe37b350fed. [ 48.024828][ C1] RSP: 002b:00007fff48973b70 EFLAGS: 00000202 ORIG_RAX: 000000000000003d [ 48.033284][ C1] RAX: fffffffffffffe00 RBX: 000055557f3e9500 RCX: 00007fe37b351017 [ 48.041296][ C1] RDX: 0000000040000000 RSI: 00007fff48973bcc RDI: ffffffffffffffff [ 48.049287][ C1] RBP: 00007fff48973bcc R08: 0000000000000000 R09: 0000000000000000 [ 48.057300][ C1] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000008 [ 48.065400][ C1] R13: 0000000000000003 R14: 00007fff48973e28 R15: 0000000000000000 [ 48.073392][ C1] [ 48.076445][ T101] CPU: 0 PID: 101 Comm: udevd Not tainted syzkaller #0 [ 48.083326][ T101] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 48.093407][ T101] Call Trace: [ 48.096703][ T101] [ 48.099653][ T101] __dump_stack+0x21/0x30 [ 48.104011][ T101] dump_stack_lvl+0x110/0x170 [ 48.108713][ T101] ? show_regs_print_info+0x20/0x20 [ 48.113947][ T101] ? prandom_u32+0x24d/0x290 [ 48.118574][ T101] dump_stack+0x15/0x20 [ 48.122798][ T101] should_fail+0x3ab/0x500 [ 48.127232][ T101] __should_failslab+0xa4/0xe0 [ 48.132009][ T101] should_failslab+0x9/0x20 [ 48.136526][ T101] slab_pre_alloc_hook+0x39/0xd0 [ 48.141489][ T101] ? anon_vma_fork+0x1ff/0x520 [ 48.146629][ T101] kmem_cache_alloc+0x44/0x260 [ 48.151404][ T101] anon_vma_fork+0x1ff/0x520 [ 48.156006][ T101] copy_mm+0x9f9/0x13a0 [ 48.160175][ T101] ? copy_signal+0x5f0/0x5f0 [ 48.164775][ T101] ? __init_rwsem+0xfc/0x1d0 [ 48.169377][ T101] ? copy_signal+0x4cc/0x5f0 [ 48.173976][ T101] copy_process+0x1184/0x3280 [ 48.178760][ T101] ? _raw_spin_unlock_bh+0x51/0x60 [ 48.184383][ T101] ? __pidfd_prepare+0x150/0x150 [ 48.189354][ T101] ? selinux_socket_setsockopt+0x282/0x360 [ 48.195435][ T101] kernel_clone+0x233/0x960 [ 48.199989][ T101] ? __kasan_check_write+0x14/0x20 [ 48.205116][ T101] ? _raw_spin_lock_irq+0x95/0xf0 [ 48.210160][ T101] ? create_io_thread+0x170/0x170 [ 48.215199][ T101] ? recalc_sigpending+0x1ac/0x230 [ 48.220326][ T101] __x64_sys_clone+0x198/0x210 [ 48.225108][ T101] ? __ia32_sys_vfork+0x130/0x130 [ 48.230150][ T101] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 48.236229][ T101] x64_sys_call+0x41f/0x9a0 [ 48.240742][ T101] do_syscall_64+0x4c/0xa0 [ 48.245172][ T101] ? clear_bhb_loop+0x50/0xa0 [ 48.249860][ T101] ? clear_bhb_loop+0x50/0xa0 [ 48.254555][ T101] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 48.260464][ T101] RIP: 0033:0x7fca979b6636 [ 48.264892][ T101] Code: 89 df e8 6d e8 f6 ff 45 31 c0 31 d2 31 f6 64 48 8b 04 25 10 00 00 00 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 52 89 c5 85 c0 75 31 64 48 8b 04 25 10 00 00 [ 48.284522][ T101] RSP: 002b:00007ffcba503c30 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 48.292949][ T101] RAX: ffffffffffffffda RBX: 00007ffcba503c38 RCX: 00007fca979b6636 [ 48.300931][ T101] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 48.308915][ T101] RBP: 000055dea1b5d2c0 R08: 0000000000000000 R09: 0000000000000210 [ 48.316896][ T101] R10: 00007fca9787eb50 R11: 0000000000000246 R12: 00007ffcba503ff0 [ 48.324880][ T101] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 48.332865][ T101] [ 48.336529][ T278] FAULT_INJECTION: forcing a failure. [ 48.336529][ T278] name failslab, interval 1, probability 1, space 0, times 958 [ 48.337083][ T287] CPU: 0 PID: 287 Comm: syz-executor Not tainted syzkaller #0 [ 48.356792][ T287] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 48.366868][ T287] Call Trace: [ 48.370163][ T287] [ 48.373125][ T287] __dump_stack+0x21/0x30 [ 48.377490][ T287] dump_stack_lvl+0x110/0x170 [ 48.382267][ T287] ? show_regs_print_info+0x20/0x20 [ 48.387475][ T287] ? prandom_u32+0x24d/0x290 [ 48.392098][ T287] dump_stack+0x15/0x20 [ 48.396274][ T287] should_fail+0x3ab/0x500 [ 48.400706][ T287] __should_failslab+0xa4/0xe0 [ 48.405490][ T287] should_failslab+0x9/0x20 [ 48.410059][ T287] slab_pre_alloc_hook+0x39/0xd0 [ 48.415031][ T287] ? vm_area_dup+0x26/0x210 [ 48.419553][ T287] kmem_cache_alloc+0x44/0x260 [ 48.424337][ T287] vm_area_dup+0x26/0x210 [ 48.428680][ T287] __split_vma+0xac/0x3e0 [ 48.433025][ T287] __do_munmap+0x3b4/0x1090 [ 48.437538][ T287] ? iterate_dir+0x361/0x600 [ 48.442139][ T287] ? scan_positives+0x470/0x470 [ 48.447033][ T287] __se_sys_brk+0x448/0x8c0 [ 48.451569][ T287] ? __x64_sys_brk+0x40/0x40 [ 48.456200][ T287] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 48.462280][ T287] __x64_sys_brk+0x38/0x40 [ 48.466708][ T287] x64_sys_call+0x855/0x9a0 [ 48.471248][ T287] do_syscall_64+0x4c/0xa0 [ 48.475700][ T287] ? clear_bhb_loop+0x50/0xa0 [ 48.480397][ T287] ? clear_bhb_loop+0x50/0xa0 [ 48.485088][ T287] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 48.490994][ T287] RIP: 0033:0x7f410c33b3b7 [ 48.495423][ T287] Code: 44 00 00 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 b8 0c 00 00 00 0f 05 <48> 89 05 52 fc db 00 48 39 f8 72 0d 31 c0 c3 66 2e 0f 1f 84 00 00 [ 48.515411][ T287] RSP: 002b:00007ffff30cc718 EFLAGS: 00000206 ORIG_RAX: 000000000000000c [ 48.523852][ T287] RAX: ffffffffffffffda RBX: ffffffffffff8000 RCX: 00007f410c33b3b7 [ 48.531864][ T287] RDX: fffffffffffff000 RSI: 000055555a3a38c0 RDI: 000055555a3c4000 [ 48.539855][ T287] RBP: 000055555a3cc000 R08: 0000000000020700 R09: 00000000ffffffff [ 48.547842][ T287] R10: 0000000000000100 R11: 0000000000000206 R12: 000055555a3cc000 [ 48.555833][ T287] R13: 0000000000000016 R14: 0000000000000802 R15: 000055555a390e90 [ 48.563823][ T287] [ 48.566858][ T278] CPU: 1 PID: 278 Comm: syz-executor Not tainted syzkaller #0 [ 48.574347][ T278] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 48.584426][ T278] Call Trace: [ 48.587721][ T278] [ 48.590665][ T278] __dump_stack+0x21/0x30 [ 48.595017][ T278] dump_stack_lvl+0x110/0x170 [ 48.599712][ T278] ? show_regs_print_info+0x20/0x20 [ 48.605006][ T278] dump_stack+0x15/0x20 [ 48.609259][ T278] should_fail+0x3ab/0x500 [ 48.613695][ T278] __should_failslab+0xa4/0xe0 [ 48.618474][ T278] should_failslab+0x9/0x20 [ 48.623012][ T278] slab_pre_alloc_hook+0x39/0xd0 [ 48.627972][ T278] ? security_file_alloc+0x33/0x120 [ 48.633207][ T278] kmem_cache_alloc+0x44/0x260 [ 48.637985][ T278] security_file_alloc+0x33/0x120 [ 48.643106][ T278] __alloc_file+0xb5/0x2a0 [ 48.647536][ T278] alloc_empty_file+0x97/0x180 [ 48.652311][ T278] alloc_file+0x59/0x580 [ 48.656572][ T278] alloc_file_clone+0x28/0xb0 [ 48.661261][ T278] create_pipe_files+0x3e7/0x6c0 [ 48.666220][ T278] __do_pipe_flags+0x4f/0x200 [ 48.670912][ T278] do_pipe2+0xa7/0x190 [ 48.674992][ T278] ? pipe_fcntl+0x510/0x510 [ 48.679504][ T278] ? __ia32_sys_read+0x90/0x90 [ 48.684280][ T278] ? debug_smp_processor_id+0x17/0x20 [ 48.689675][ T278] __x64_sys_pipe2+0x5a/0x70 [ 48.694283][ T278] x64_sys_call+0x354/0x9a0 [ 48.698797][ T278] do_syscall_64+0x4c/0xa0 [ 48.703234][ T278] ? clear_bhb_loop+0x50/0xa0 [ 48.707923][ T278] ? clear_bhb_loop+0x50/0xa0 [ 48.712615][ T278] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 48.718677][ T278] RIP: 0033:0x7f669ca83ec9 [ 48.723123][ T278] Code: 38 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 eb aa e8 ea 34 00 00 66 2e 0f 1f 84 00 00 00 00 00 31 f6 b8 25 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 07 c3 66 0f 1f 44 00 00 48 c7 c2 e8 ff ff ff [ 48.742964][ T278] RSP: 002b:00007fff41838618 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 48.751534][ T278] RAX: ffffffffffffffda RBX: 00005555906c17e0 RCX: 00007f669ca83ec9 [ 48.759528][ T278] RDX: 0000000000000005 RSI: 0000000000000000 RDI: 00007fff41838628 [ 48.767515][ T278] RBP: 00007fff41838bf0 R08: 00007f669ccd7e20 R09: 0000000000000000 [ 48.775496][ T278] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff41838a30 [ 48.783666][ T278] R13: 00005555906c46f0 R14: 00005555906c2160 R15: 00007fff41838770 [ 48.791773][ T278] [ 48.794849][ T357] CPU: 0 PID: 357 Comm: udevd Not tainted syzkaller #0 [ 48.801738][ T357] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 48.811994][ T357] Call Trace: [ 48.815295][ T357] [ 48.818245][ T357] __dump_stack+0x21/0x30 [ 48.822593][ T357] dump_stack_lvl+0x110/0x170 [ 48.827285][ T357] ? show_regs_print_info+0x20/0x20 [ 48.832500][ T357] ? prandom_u32+0x24d/0x290 [ 48.837110][ T357] dump_stack+0x15/0x20 [ 48.841281][ T357] should_fail+0x3ab/0x500 [ 48.844970][ T287] FAULT_INJECTION: forcing a failure. [ 48.844970][ T287] name failslab, interval 1, probability 1, space 0, times 956 [ 48.845712][ T357] __should_failslab+0xa4/0xe0 [ 48.863235][ T357] should_failslab+0x9/0x20 [ 48.867755][ T357] slab_pre_alloc_hook+0x39/0xd0 [ 48.872711][ T357] ? __d_alloc+0x2d/0x690 [ 48.877056][ T357] kmem_cache_alloc+0x44/0x260 [ 48.881842][ T357] __d_alloc+0x2d/0x690 [ 48.886012][ T357] d_alloc_parallel+0xe5/0x1380 [ 48.890877][ T357] ? proc_tgid_base_lookup+0x30/0x30 [ 48.896179][ T357] ? inode_permission+0xef/0x4a0 [ 48.901147][ T357] ? d_hash_and_lookup+0x1f0/0x1f0 [ 48.906275][ T357] ? clear_nonspinnable+0x60/0x60 [ 48.911316][ T357] ? __mnt_want_write+0x1e6/0x260 [ 48.916354][ T357] path_openat+0x983/0x2f80 [ 48.920872][ T357] ? __kasan_slab_alloc+0xc9/0xe0 [ 48.925910][ T357] ? __x64_sys_openat+0x136/0x160 [ 48.931042][ T357] ? x64_sys_call+0x219/0x9a0 [ 48.935738][ T357] ? do_filp_open+0x400/0x400 [ 48.940431][ T357] do_filp_open+0x1df/0x400 [ 48.944970][ T357] ? vfs_tmpfile+0x2d0/0x2d0 [ 48.949574][ T357] ? noop_direct_IO+0x20/0x20 [ 48.954268][ T357] do_sys_openat2+0x15e/0x7f0 [ 48.959100][ T357] ? do_sys_open+0xe0/0xe0 [ 48.963543][ T357] __x64_sys_openat+0x136/0x160 [ 48.968420][ T357] x64_sys_call+0x219/0x9a0 [ 48.972960][ T357] do_syscall_64+0x4c/0xa0 [ 48.977432][ T357] ? clear_bhb_loop+0x50/0xa0 [ 48.982153][ T357] ? clear_bhb_loop+0x50/0xa0 [ 48.986850][ T357] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 48.992762][ T357] RIP: 0033:0x7fca9796c407 [ 48.997222][ T357] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 49.016843][ T357] RSP: 002b:00007ffcba503bf0 EFLAGS: 00000202 ORIG_RAX: 0000000000000101 [ 49.025278][ T357] RAX: ffffffffffffffda RBX: 00007fca9787e880 RCX: 00007fca9796c407 [ 49.033280][ T357] RDX: 0000000000080241 RSI: 000055de7ae130cb RDI: ffffffffffffff9c [ 49.041488][ T357] RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000 [ 49.049635][ T357] R10: 00000000000001b6 R11: 0000000000000202 R12: 000055de7ae13dfc [ 49.057742][ T357] R13: 000055de7ae13dfc R14: 0000000000000001 R15: 0000000000000004 [ 49.065759][ T357] [ 49.068799][ T90] CPU: 1 PID: 90 Comm: klogd Not tainted syzkaller #0 [ 49.075592][ T90] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 49.085667][ T90] Call Trace: [ 49.088969][ T90] [ 49.091940][ T90] __dump_stack+0x21/0x30 [ 49.096290][ T90] dump_stack_lvl+0x110/0x170 [ 49.100976][ T90] ? show_regs_print_info+0x20/0x20 [ 49.106188][ T90] ? prandom_u32+0x24d/0x290 [ 49.110803][ T90] dump_stack+0x15/0x20 [ 49.114972][ T90] should_fail+0x3ab/0x500 [ 49.119407][ T90] ? alloc_skb_with_frags+0xa8/0x620 [ 49.124760][ T90] __should_failslab+0xa4/0xe0 [ 49.129554][ T90] should_failslab+0x9/0x20 [ 49.134077][ T90] slab_pre_alloc_hook+0x39/0xd0 [ 49.139050][ T90] ? alloc_skb_with_frags+0xa8/0x620 [ 49.144368][ T90] ? alloc_skb_with_frags+0xa8/0x620 [ 49.149739][ T90] __kmalloc_track_caller+0x6c/0x2c0 [ 49.155054][ T90] ? alloc_skb_with_frags+0xa8/0x620 [ 49.160370][ T90] ? alloc_skb_with_frags+0xa8/0x620 [ 49.165869][ T90] __alloc_skb+0x210/0x730 [ 49.170326][ T90] alloc_skb_with_frags+0xa8/0x620 [ 49.175451][ T90] ? memcpy+0x56/0x70 [ 49.179464][ T90] sock_alloc_send_pskb+0x87f/0x9a0 [ 49.184681][ T90] ? sock_kzfree_s+0x60/0x60 [ 49.189317][ T90] ? __kasan_check_write+0x14/0x20 [ 49.194440][ T90] ? _raw_spin_lock+0x94/0xf0 [ 49.199137][ T90] ? _raw_spin_trylock_bh+0x150/0x150 [ 49.204526][ T90] unix_dgram_sendmsg+0x6f3/0x19b0 [ 49.209660][ T90] ? unix_dgram_poll+0x6c0/0x6c0 [ 49.214760][ T90] ? security_socket_sendmsg+0x82/0xa0 [ 49.220263][ T90] __sys_sendto+0x46d/0x620 [ 49.224806][ T90] ? __ia32_sys_getpeername+0x90/0x90 [ 49.230245][ T90] __x64_sys_sendto+0xe5/0x100 [ 49.235041][ T90] x64_sys_call+0x178/0x9a0 [ 49.239567][ T90] do_syscall_64+0x4c/0xa0 [ 49.243998][ T90] ? clear_bhb_loop+0x50/0xa0 [ 49.248689][ T90] ? clear_bhb_loop+0x50/0xa0 [ 49.253385][ T90] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 49.259298][ T90] RIP: 0033:0x7f6eb8278407 [ 49.263734][ T90] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 49.266934][ T6] FAULT_INJECTION: forcing a failure. [ 49.266934][ T6] name failslab, interval 1, probability 1, space 0, times 956 [ 49.283536][ T90] RSP: 002b:00007fffc974d120 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 49.283561][ T90] RAX: ffffffffffffffda RBX: 00007f6eb8128c80 RCX: 00007f6eb8278407 [ 49.283577][ T90] RDX: 0000000000000046 RSI: 00007fffc974d260 RDI: 0000000000000003 [ 49.320678][ T90] RBP: 00007fffc974d690 R08: 0000000000000000 R09: 0000000000000000 [ 49.328662][ T90] R10: 0000000000004000 R11: 0000000000000202 R12: 00007fffc974d6a8 [ 49.336645][ T90] R13: 00007fffc974d260 R14: 000000000000002b R15: 00007fffc974d260 [ 49.344632][ T90] [ 49.347667][ T6] CPU: 0 PID: 6 Comm: kworker/0:0 Not tainted syzkaller #0 [ 49.354894][ T6] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 49.364977][ T6] Workqueue: ipv6_addrconf addrconf_dad_work [ 49.371024][ T6] Call Trace: [ 49.374315][ T6] [ 49.377258][ T6] __dump_stack+0x21/0x30 [ 49.381712][ T6] dump_stack_lvl+0x110/0x170 [ 49.383468][ T101] ------------[ cut here ]------------ [ 49.386420][ T6] ? show_regs_print_info+0x20/0x20 [ 49.391889][ T101] refcount_t: underflow; use-after-free. [ 49.392176][ T101] WARNING: CPU: 1 PID: 101 at lib/refcount.c:28 refcount_warn_saturate+0x120/0x1a0 [ 49.397087][ T6] ? prandom_u32+0x24d/0x290 [ 49.397108][ T6] dump_stack+0x15/0x20 [ 49.397125][ T6] should_fail+0x3ab/0x500 [ 49.397145][ T6] __should_failslab+0xa4/0xe0 [ 49.429961][ T6] should_failslab+0x9/0x20 [ 49.433378][ T101] Modules linked in: [ 49.434477][ T6] slab_pre_alloc_hook+0x39/0xd0 [ 49.438380][ T101] CPU: 1 PID: 101 Comm: udevd Not tainted syzkaller #0 [ 49.443314][ T6] ? fib6_add+0x92d/0x3d70 [ 49.443335][ T6] kmem_cache_alloc+0x44/0x260 [ 49.443357][ T6] fib6_add+0x92d/0x3d70 [ 49.443377][ T6] ? fib6_update_sernum_stub+0x190/0x190 [ 49.443397][ T6] ? __kasan_check_write+0x14/0x20 [ 49.473388][ T101] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 49.474410][ T6] ? _raw_spin_lock_bh+0x94/0xf0 [ 49.489418][ T6] ? _raw_spin_lock_irq+0xf0/0xf0 [ 49.494467][ T6] ip6_ins_rt+0xd3/0x130 [ 49.498729][ T6] ? rt6_lookup+0x220/0x220 [ 49.503247][ T6] ? rtnl_notify+0x9a/0xc0 [ 49.503394][ T101] RIP: 0010:refcount_warn_saturate+0x120/0x1a0 [ 49.507678][ T6] __ipv6_ifa_notify+0x4df/0xe70 [ 49.518797][ T6] ? inet6_fill_ifla6_attrs+0x25b0/0x25b0 [ 49.524531][ T6] ? __local_bh_enable_ip+0x58/0x80 [ 49.529748][ T6] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20 [ 49.533393][ T101] Code: 04 01 48 c7 c7 c0 46 63 85 e8 ac 47 5a 02 0f 0b eb c3 e8 43 80 19 ff c6 05 00 ea 95 04 01 48 c7 c7 20 47 63 85 e8 90 47 5a 02 <0f> 0b eb a7 e8 27 80 19 ff c6 05 e1 e9 95 04 01 48 c7 c7 60 46 63 [ 49.536521][ T6] ? __kasan_check_write+0x14/0x20 [ 49.561330][ T6] ? try_to_grab_pending+0x1a4/0x580 [ 49.566641][ T6] ? __mutex_lock_slowpath+0x10/0x10 [ 49.571945][ T6] ? mod_delayed_work_on+0xe0/0xe0 [ 49.577071][ T6] ? node_free_rcu+0x30/0x30 [ 49.581679][ T6] ? __kasan_check_write+0x14/0x20 [ 49.584653][ T30] kauditd_printk_skb: 53 callbacks suppressed [ 49.584692][ T30] audit: type=1400 audit(1785250753.318:127): avc: denied { write } for pid=278 comm="syz-executor" path="pipe:[411]" dev="pipefs" ino=411 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1 [ 49.586802][ T6] ? __cancel_work+0x198/0x200 [ 49.593913][ T277] FAULT_INJECTION: forcing a failure. [ 49.593913][ T277] name failslab, interval 1, probability 1, space 0, times 954 [ 49.615638][ T6] addrconf_dad_completed+0x182/0xe20 [ 49.615667][ T6] ? __kasan_check_write+0x14/0x20 [ 49.615688][ T6] ? addrconf_dad_stop+0x440/0x440 [ 49.648795][ T6] ? add_grec+0xf70/0x1340 [ 49.653233][ T6] addrconf_dad_work+0xc4c/0x1510 [ 49.653410][ T101] RSP: 0018:ffffc900009e7948 EFLAGS: 00010246 [ 49.658271][ T6] ? ipv6_get_saddr_eval+0xf70/0xf70 [ 49.669624][ T6] ? __kasan_check_write+0x14/0x20 [ 49.674752][ T6] ? pwq_activate_inactive_work+0x2ea/0x3f0 [ 49.680668][ T6] process_one_work+0x6c8/0xbb0 [ 49.685537][ T6] worker_thread+0xaa0/0x1250 [ 49.690249][ T6] kthread+0x3f5/0x4f0 [ 49.694434][ T6] ? worker_clr_flags+0x190/0x190 [ 49.699482][ T6] ? kthread_blkcg+0xd0/0xd0 [ 49.704098][ T6] ret_from_fork+0x1f/0x30 [ 49.708712][ T6] [ 49.711758][ T277] CPU: 1 PID: 277 Comm: sshd-session Not tainted syzkaller #0 [ 49.719239][ T277] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 49.729512][ T277] Call Trace: [ 49.732812][ T277] [ 49.735761][ T277] __dump_stack+0x21/0x30 [ 49.740120][ T277] dump_stack_lvl+0x110/0x170 [ 49.744819][ T277] ? show_regs_print_info+0x20/0x20 [ 49.750032][ T277] dump_stack+0x15/0x20 [ 49.754363][ T277] should_fail+0x3ab/0x500 [ 49.758812][ T277] ? sk_stream_alloc_skb+0x216/0xb70 [ 49.764284][ T277] __should_failslab+0xa4/0xe0 [ 49.769075][ T277] should_failslab+0x9/0x20 [ 49.773590][ T277] slab_pre_alloc_hook+0x39/0xd0 [ 49.778580][ T277] ? sk_stream_alloc_skb+0x216/0xb70 [ 49.783881][ T277] ? sk_stream_alloc_skb+0x216/0xb70 [ 49.789188][ T277] __kmalloc_track_caller+0x6c/0x2c0 [ 49.794512][ T277] ? sk_stream_alloc_skb+0x216/0xb70 [ 49.799810][ T277] ? sk_stream_alloc_skb+0x216/0xb70 [ 49.805114][ T277] __alloc_skb+0x210/0x730 [ 49.809548][ T277] sk_stream_alloc_skb+0x216/0xb70 [ 49.814672][ T277] tcp_sendmsg_locked+0xcbb/0x3330 [ 49.819796][ T277] ? _raw_spin_lock_irq+0xf0/0xf0 [ 49.824839][ T277] ? lock_sock_nested+0x217/0x2a0 [ 49.829894][ T277] ? tcp_free_fastopen_req+0x80/0x80 [ 49.835197][ T277] tcp_sendmsg+0x2f/0x50 [ 49.839458][ T277] inet_sendmsg+0xa5/0xc0 [ 49.843800][ T277] sock_write_iter+0x2a6/0x3a0 [ 49.848595][ T277] ? sock_read_iter+0x380/0x380 [ 49.853462][ T277] ? memset+0x35/0x40 [ 49.857463][ T277] ? iov_iter_init+0xbc/0x180 [ 49.862156][ T277] vfs_write+0x831/0xfd0 [ 49.866419][ T277] ? file_end_write+0x1b0/0x1b0 [ 49.871288][ T277] ? _raw_spin_unlock_irq+0x4e/0x70 [ 49.876505][ T277] ? __kasan_check_read+0x11/0x20 [ 49.881543][ T277] ? __fdget_pos+0x1f7/0x380 [ 49.886141][ T277] ksys_write+0x14a/0x260 [ 49.890481][ T277] ? __ia32_sys_read+0x90/0x90 [ 49.895259][ T277] ? debug_smp_processor_id+0x17/0x20 [ 49.900643][ T277] __x64_sys_write+0x7b/0x90 [ 49.905247][ T277] x64_sys_call+0x8ef/0x9a0 [ 49.909765][ T277] do_syscall_64+0x4c/0xa0 [ 49.914192][ T277] ? clear_bhb_loop+0x50/0xa0 [ 49.918909][ T277] ? clear_bhb_loop+0x50/0xa0 [ 49.923595][ T277] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 49.929501][ T277] RIP: 0033:0x7f84d9c42407 [ 49.933932][ T277] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 49.953653][ T277] RSP: 002b:00007ffd3456a7e0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 49.962084][ T277] RAX: ffffffffffffffda RBX: 00007f84d9b4e300 RCX: 00007f84d9c42407 [ 49.970067][ T277] RDX: 000000000000003c RSI: 000055e1c7f44130 RDI: 0000000000000004 [ 49.978091][ T277] RBP: 000055e1c7f47c60 R08: 0000000000000000 R09: 0000000000000000 [ 49.986185][ T277] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000001 [ 49.994181][ T277] R13: 00007ffd3456a930 R14: 0000000000000000 R15: 0000000000000004 [ 50.002173][ T277] [ 50.005846][ T101] RAX: 64f8f20224dbef00 RBX: 0000000000000003 RCX: ffff88810e17e2c0 [ 50.014005][ T287] CPU: 1 PID: 287 Comm: syz-executor Not tainted syzkaller #0 [ 50.021498][ T287] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 50.031583][ T287] Call Trace: [ 50.034887][ T287] [ 50.037833][ T287] __dump_stack+0x21/0x30 [ 50.042184][ T287] dump_stack_lvl+0x110/0x170 [ 50.046899][ T287] ? show_regs_print_info+0x20/0x20 [ 50.052112][ T287] ? prandom_u32+0x24d/0x290 [ 50.056745][ T287] dump_stack+0x15/0x20 [ 50.060915][ T287] should_fail+0x3ab/0x500 [ 50.065344][ T287] __should_failslab+0xa4/0xe0 [ 50.070128][ T287] should_failslab+0x9/0x20 [ 50.074646][ T287] slab_pre_alloc_hook+0x39/0xd0 [ 50.079601][ T287] ? alloc_vmap_area+0x186/0x1a70 [ 50.084636][ T287] kmem_cache_alloc+0x44/0x260 [ 50.089413][ T287] alloc_vmap_area+0x186/0x1a70 [ 50.094278][ T287] ? vm_map_ram+0xa70/0xa70 [ 50.098797][ T287] ? kmem_cache_alloc_trace+0x119/0x270 [ 50.104361][ T287] ? __get_vm_area_node+0x11d/0x350 [ 50.109583][ T287] __get_vm_area_node+0x14e/0x350 [ 50.114794][ T287] __vmalloc_node_range+0xe8/0xad0 [ 50.119921][ T287] ? alloc_counters+0x65/0x540 [ 50.124703][ T287] ? selinux_capable+0x2b6/0x3b0 [ 50.129656][ T287] ? selinux_capset+0xf0/0xf0 [ 50.134348][ T287] ? alloc_counters+0x65/0x540 [ 50.139127][ T287] vzalloc+0x78/0x90 [ 50.143061][ T287] ? alloc_counters+0x65/0x540 [ 50.147838][ T287] alloc_counters+0x65/0x540 [ 50.152451][ T287] ? xt_find_table_lock+0x3b6/0x400 [ 50.157661][ T287] do_arpt_get_ctl+0x9ec/0xff0 [ 50.162439][ T287] ? do_arpt_set_ctl+0xf90/0xf90 [ 50.167401][ T287] ? is_bpf_text_address+0x177/0x190 [ 50.172799][ T287] ? unwind_get_return_address+0x4d/0x90 [ 50.178460][ T287] ? __kasan_check_write+0x14/0x20 [ 50.183623][ T287] ? _raw_spin_lock_bh+0x94/0xf0 [ 50.188584][ T287] ? _raw_spin_lock_irq+0xf0/0xf0 [ 50.193625][ T287] ? __kasan_check_write+0x14/0x20 [ 50.198748][ T287] ? mutex_unlock+0x8f/0x230 [ 50.203385][ T287] ? __mutex_lock_slowpath+0x10/0x10 [ 50.208685][ T287] ? _raw_spin_lock_bh+0x94/0xf0 [ 50.213641][ T287] ? _raw_spin_lock_irq+0xf0/0xf0 [ 50.218680][ T287] nf_getsockopt+0x26d/0x290 [ 50.223378][ T287] ip_getsockopt+0x134d/0x17a0 [ 50.228479][ T287] ? ip_setsockopt+0x37a0/0x37a0 [ 50.233455][ T287] ? arch_stack_walk+0xee/0x140 [ 50.238333][ T287] ? stack_trace_save+0xa6/0xf0 [ 50.243223][ T287] ? __stack_depot_save+0x34/0x480 [ 50.248378][ T287] ? __kasan_slab_alloc+0xc9/0xe0 [ 50.253424][ T287] ? __kasan_slab_alloc+0xb7/0xe0 [ 50.258468][ T287] ? slab_post_alloc_hook+0x4f/0x2b0 [ 50.263849][ T287] ? kmem_cache_alloc+0xf7/0x260 [ 50.268801][ T287] ? security_file_alloc+0x33/0x120 [ 50.274017][ T287] ? __alloc_file+0xb5/0x2a0 [ 50.278616][ T287] ? alloc_empty_file+0x97/0x180 [ 50.283573][ T287] ? alloc_file+0x59/0x580 [ 50.288004][ T287] ? alloc_file_pseudo+0x180/0x200 [ 50.293128][ T287] ? sock_alloc_file+0xba/0x260 [ 50.297995][ T287] ? __sys_socket+0x12b/0x190 [ 50.302701][ T287] ? x64_sys_call+0x8c5/0x9a0 [ 50.307397][ T287] ? do_syscall_64+0x4c/0xa0 [ 50.312009][ T287] ? entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 50.318095][ T287] tcp_getsockopt+0x1fc/0x23a0 [ 50.322907][ T287] ? memcpy+0x56/0x70 [ 50.326905][ T287] ? avc_has_perm_noaudit+0x30a/0x490 [ 50.332291][ T287] ? tcp_bpf_bypass_getsockopt+0x40/0x40 [ 50.337943][ T287] ? avc_denied+0x1b0/0x1b0 [ 50.342476][ T287] ? avc_has_perm+0x163/0x250 [ 50.347181][ T287] ? avc_has_perm_noaudit+0x490/0x490 [ 50.352580][ T287] ? selinux_socket_getsockopt+0x22f/0x340 [ 50.358405][ T287] ? memcpy+0x56/0x70 [ 50.362402][ T287] ? selinux_socket_getpeername+0x340/0x340 [ 50.368339][ T287] ? alloc_empty_file_noaccount+0x80/0x80 [ 50.374080][ T287] sock_common_getsockopt+0x98/0xb0 [ 50.379308][ T287] ? sock_recv_errqueue+0x5c0/0x5c0 [ 50.384834][ T287] __sys_getsockopt+0x207/0x400 [ 50.389715][ T287] __x64_sys_getsockopt+0xbf/0xd0 [ 50.394762][ T287] x64_sys_call+0x6db/0x9a0 [ 50.399285][ T287] do_syscall_64+0x4c/0xa0 [ 50.403756][ T287] ? clear_bhb_loop+0x50/0xa0 [ 50.408445][ T287] ? clear_bhb_loop+0x50/0xa0 [ 50.413153][ T287] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 50.419061][ T287] RIP: 0033:0x7f410c33d66a [ 50.423484][ T287] Code: 48 83 ec 10 89 d2 48 63 ff 45 31 c9 6a 2a 45 31 c0 31 c9 e8 d8 99 fb ff 48 83 c4 18 c3 0f 1f 00 49 89 ca b8 37 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 06 c3 0f 1f 44 00 00 48 c7 c2 e8 ff ff ff f7 [ 50.443102][ T287] RSP: 002b:00007ffff30cd1f8 EFLAGS: 00000212 ORIG_RAX: 0000000000000037 [ 50.451526][ T287] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f410c33d66a [ 50.459513][ T287] RDX: 0000000000000061 RSI: 0000000000000000 RDI: 0000000000000003 [ 50.467498][ T287] RBP: 00007ffff30cd260 R08: 00007ffff30cd20c R09: 0000000000000000 [ 50.475480][ T287] R10: 00007ffff30cd260 R11: 0000000000000212 R12: 00007ffff30cd20c [ 50.483462][ T287] R13: 00007f410c3d28fd R14: 0000000000006848 R15: 00007ffff30cd950 [ 50.491553][ T287] [ 50.495872][ T101] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 50.504000][ T319] CPU: 0 PID: 319 Comm: udevd Not tainted syzkaller #0 [ 50.504521][ T101] RBP: ffffc900009e7958 R08: 0000000000000003 R09: 0000000000000004 [ 50.510891][ T319] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 50.519110][ T101] R10: dffffc0000000000 R11: fffff5200013ced8 R12: 00000000810dc059 [ 50.529277][ T319] Call Trace: [ 50.529287][ T319] [ 50.529296][ T319] __dump_stack+0x21/0x30 [ 50.537297][ T101] R13: ffff88810df11668 R14: 0000000000000003 R15: ffff88810e1a2621 [ 50.540555][ T319] dump_stack_lvl+0x110/0x170 [ 50.543536][ T101] FS: 00007fca9787e880(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 50.547837][ T319] ? show_regs_print_info+0x20/0x20 [ 50.556647][ T101] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.560502][ T319] dump_stack+0x15/0x20 [ 50.569490][ T101] CR2: 00007f669d83ee20 CR3: 000000010deb3000 CR4: 00000000003526a0 [ 50.574626][ T319] should_fail+0x3ab/0x500 [ 50.587925][ T101] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 50.593403][ T319] __should_failslab+0xa4/0xe0 [ 50.597848][ T101] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 50.605826][ T319] should_failslab+0x9/0x20 [ 50.605848][ T319] slab_pre_alloc_hook+0x39/0xd0 [ 50.605869][ T319] ? vm_area_alloc+0x24/0x130 [ 50.605890][ T319] kmem_cache_alloc+0x44/0x260 [ 50.605912][ T319] vm_area_alloc+0x24/0x130 [ 50.611010][ T101] Call Trace: [ 50.618764][ T319] mmap_region+0x87d/0x1700 [ 50.618790][ T319] ? selinux_mmap_addr+0xbe/0xe0 [ 50.623292][ T101] [ 50.628258][ T319] do_mmap+0x812/0xf10 [ 50.628284][ T319] vm_mmap_pgoff+0x1d6/0x410 [ 50.632952][ T101] vm_area_free_no_check+0x132/0x140 [ 50.637722][ T319] ? account_locked_vm+0x270/0x270 [ 50.642239][ T101] copy_mm+0xe8f/0x13a0 [ 50.645543][ T319] ? __fdget_pos+0x1f7/0x380 [ 50.645565][ T319] ? generic_file_llseek_size+0x1fd/0x390 [ 50.650095][ T101] ? copy_signal+0x5f0/0x5f0 [ 50.655035][ T319] ksys_mmap_pgoff+0xf6/0x1d0 [ 50.655059][ T319] __x64_sys_mmap+0xfa/0x110 [ 50.655077][ T319] x64_sys_call+0x83/0x9a0 [ 50.658084][ T101] ? __init_rwsem+0xfc/0x1d0 [ 50.662090][ T319] do_syscall_64+0x4c/0xa0 [ 50.666731][ T101] ? copy_signal+0x4cc/0x5f0 [ 50.671989][ T319] ? clear_bhb_loop+0x50/0xa0 [ 50.677143][ T101] copy_process+0x1184/0x3280 [ 50.681261][ T319] ? clear_bhb_loop+0x50/0xa0 [ 50.686178][ T101] ? _raw_spin_unlock_bh+0x51/0x60 [ 50.691840][ T319] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 50.696458][ T101] ? __pidfd_prepare+0x150/0x150 [ 50.701109][ T319] RIP: 0033:0x7fca979e2822 [ 50.706830][ T90] FAULT_INJECTION: forcing a failure. [ 50.706830][ T90] name failslab, interval 1, probability 1, space 0, times 951 [ 50.710107][ T319] Code: 00 00 00 0f 1f 44 00 00 41 f7 c1 ff 0f 00 00 75 27 55 89 cd 53 48 89 fb 48 85 ff 74 3b 41 89 ea 48 89 df b8 09 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 76 5b 5d c3 0f 1f 00 48 8b 05 a1 35 0d 00 64 [ 50.723399][ T101] ? selinux_socket_setsockopt+0x282/0x360 [ 50.723699][ T319] RSP: 002b:00007ffcba4fe868 EFLAGS: 00000246 [ 50.728408][ T101] kernel_clone+0x233/0x960 [ 50.733104][ T319] ORIG_RAX: 0000000000000009 [ 50.753954][ T101] ? __kasan_check_write+0x14/0x20 [ 50.758131][ T319] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fca979e2822 [ 50.783367][ T101] ? _raw_spin_lock_irq+0x95/0xf0 [ 50.790760][ T319] RDX: 0000000000000003 RSI: 0000000000000200 RDI: 0000000000000000 [ 50.813382][ T101] ? create_io_thread+0x170/0x170 [ 50.816921][ T319] RBP: 0000000000000022 R08: 00000000ffffffff R09: 0000000000000000 [ 50.833363][ T101] ? recalc_sigpending+0x1ac/0x230 [ 50.837932][ T319] R10: 0000000000000022 R11: 0000000000000246 R12: 0000000000000000 [ 50.843131][ T101] __x64_sys_clone+0x198/0x210 [ 50.851102][ T319] R13: 0000000000000200 R14: 000055dea1d987f0 R15: 0000000000003e00 [ 50.851122][ T319] [ 50.880093][ T90] CPU: 1 PID: 90 Comm: klogd Not tainted syzkaller #0 [ 50.887679][ T90] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 50.897800][ T90] Call Trace: [ 50.901105][ T90] [ 50.904064][ T90] __dump_stack+0x21/0x30 [ 50.908726][ T90] dump_stack_lvl+0x110/0x170 [ 50.913430][ T90] ? show_regs_print_info+0x20/0x20 [ 50.918653][ T90] ? prandom_u32+0x24d/0x290 [ 50.923266][ T90] dump_stack+0x15/0x20 [ 50.927494][ T90] should_fail+0x3ab/0x500 [ 50.932028][ T90] ? alloc_skb_with_frags+0xa8/0x620 [ 50.936100][ T319] FAULT_INJECTION: forcing a failure. [ 50.936100][ T319] name failslab, interval 1, probability 1, space 0, times 950 [ 50.937350][ T90] __should_failslab+0xa4/0xe0 [ 50.954881][ T90] should_failslab+0x9/0x20 [ 50.959508][ T90] slab_pre_alloc_hook+0x39/0xd0 [ 50.964484][ T90] ? alloc_skb_with_frags+0xa8/0x620 [ 50.969786][ T90] ? alloc_skb_with_frags+0xa8/0x620 [ 50.975094][ T90] __kmalloc_track_caller+0x6c/0x2c0 [ 50.980407][ T90] ? alloc_skb_with_frags+0xa8/0x620 [ 50.985724][ T90] ? alloc_skb_with_frags+0xa8/0x620 [ 50.991202][ T90] __alloc_skb+0x210/0x730 [ 50.995635][ T90] alloc_skb_with_frags+0xa8/0x620 [ 51.000760][ T90] ? memcpy+0x56/0x70 [ 51.004916][ T90] sock_alloc_send_pskb+0x87f/0x9a0 [ 51.010134][ T90] ? sock_kzfree_s+0x60/0x60 [ 51.014732][ T90] ? __kasan_check_write+0x14/0x20 [ 51.019871][ T90] ? _raw_spin_lock+0x94/0xf0 [ 51.024564][ T90] ? _raw_spin_trylock_bh+0x150/0x150 [ 51.029950][ T90] unix_dgram_sendmsg+0x6f3/0x19b0 [ 51.035105][ T90] ? unix_dgram_poll+0x6c0/0x6c0 [ 51.040063][ T90] ? path_put+0x57/0x60 [ 51.044228][ T90] ? security_socket_sendmsg+0x82/0xa0 [ 51.049699][ T90] __sys_sendto+0x46d/0x620 [ 51.054215][ T90] ? __ia32_sys_getpeername+0x90/0x90 [ 51.059793][ T90] __x64_sys_sendto+0xe5/0x100 [ 51.064751][ T90] x64_sys_call+0x178/0x9a0 [ 51.069619][ T90] do_syscall_64+0x4c/0xa0 [ 51.074048][ T90] ? clear_bhb_loop+0x50/0xa0 [ 51.078749][ T90] ? clear_bhb_loop+0x50/0xa0 [ 51.083558][ T90] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 51.089484][ T90] RIP: 0033:0x7f6eb8278407 [ 51.093912][ T90] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 51.113712][ T90] RSP: 002b:00007fffc974d120 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 51.122141][ T90] RAX: ffffffffffffffda RBX: 00007f6eb8128c80 RCX: 00007f6eb8278407 [ 51.130122][ T90] RDX: 000000000000003d RSI: 00007fffc974d260 RDI: 0000000000000003 [ 51.138268][ T90] RBP: 00007fffc974d690 R08: 0000000000000000 R09: 0000000000000000 [ 51.146252][ T90] R10: 0000000000004000 R11: 0000000000000202 R12: 00007fffc974d6a8 [ 51.154237][ T90] R13: 00007fffc974d260 R14: 0000000000000022 R15: 00007fffc974d260 [ 51.162228][ T90] [ 51.169444][ T319] CPU: 1 PID: 319 Comm: udevd Not tainted syzkaller #0 [ 51.170238][ T101] ? __ia32_sys_vfork+0x130/0x130 [ 51.176350][ T319] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 51.176369][ T319] Call Trace: [ 51.176376][ T319] [ 51.176383][ T319] __dump_stack+0x21/0x30 [ 51.176404][ T319] dump_stack_lvl+0x110/0x170 [ 51.176422][ T319] ? show_regs_print_info+0x20/0x20 [ 51.176443][ T319] dump_stack+0x15/0x20 [ 51.176459][ T319] should_fail+0x3ab/0x500 [ 51.220533][ T319] __should_failslab+0xa4/0xe0 [ 51.225315][ T319] should_failslab+0x9/0x20 [ 51.229844][ T319] slab_pre_alloc_hook+0x39/0xd0 [ 51.234802][ T319] ? vm_area_alloc+0x24/0x130 [ 51.239513][ T319] kmem_cache_alloc+0x44/0x260 [ 51.244308][ T319] vm_area_alloc+0x24/0x130 [ 51.248828][ T319] mmap_region+0x87d/0x1700 [ 51.253353][ T319] ? selinux_mmap_addr+0xbe/0xe0 [ 51.258318][ T319] do_mmap+0x812/0xf10 [ 51.262426][ T319] vm_mmap_pgoff+0x1d6/0x410 [ 51.267042][ T319] ? account_locked_vm+0x270/0x270 [ 51.272164][ T319] ? __fdget_pos+0x1f7/0x380 [ 51.276763][ T319] ? generic_file_llseek_size+0x1fd/0x390 [ 51.282498][ T319] ksys_mmap_pgoff+0xf6/0x1d0 [ 51.287187][ T319] __x64_sys_mmap+0xfa/0x110 [ 51.291876][ T319] x64_sys_call+0x83/0x9a0 [ 51.296306][ T319] do_syscall_64+0x4c/0xa0 [ 51.300740][ T319] ? clear_bhb_loop+0x50/0xa0 [ 51.305433][ T319] ? clear_bhb_loop+0x50/0xa0 [ 51.310120][ T319] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 51.316111][ T319] RIP: 0033:0x7fca979e2822 [ 51.320539][ T319] Code: 00 00 00 0f 1f 44 00 00 41 f7 c1 ff 0f 00 00 75 27 55 89 cd 53 48 89 fb 48 85 ff 74 3b 41 89 ea 48 89 df b8 09 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 76 5b 5d c3 0f 1f 00 48 8b 05 a1 35 0d 00 64 [ 51.340158][ T319] RSP: 002b:00007ffcba4fe868 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 [ 51.348587][ T319] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fca979e2822 [ 51.356574][ T319] RDX: 0000000000000003 RSI: 0000000000000200 RDI: 0000000000000000 [ 51.364561][ T319] RBP: 0000000000000022 R08: 00000000ffffffff R09: 0000000000000000 [ 51.372553][ T319] R10: 0000000000000022 R11: 0000000000000246 R12: 0000000000000000 [ 51.380534][ T319] R13: 0000000000020000 R14: 000055dea1d987f0 R15: 0000000000010000 [ 51.388521][ T319] [ 51.391600][ T101] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 51.398519][ T101] x64_sys_call+0x41f/0x9a0 [ 51.400810][ T307] FAULT_INJECTION: forcing a failure. [ 51.400810][ T307] name failslab, interval 1, probability 1, space 0, times 950 [ 51.403068][ T101] do_syscall_64+0x4c/0xa0 [ 51.415858][ T307] CPU: 1 PID: 307 Comm: kworker/1:3 Not tainted syzkaller #0 [ 51.420329][ T101] ? clear_bhb_loop+0x50/0xa0 [ 51.427695][ T307] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 51.427711][ T307] Workqueue: ipv6_addrconf addrconf_dad_work [ 51.432395][ T101] ? clear_bhb_loop+0x50/0xa0 [ 51.442452][ T307] [ 51.442461][ T307] Call Trace: [ 51.442468][ T307] [ 51.442477][ T307] __dump_stack+0x21/0x30 [ 51.448587][ T101] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 51.453215][ T307] dump_stack_lvl+0x110/0x170 [ 51.455592][ T101] RIP: 0033:0x7fca979b6636 [ 51.458831][ T307] ? show_regs_print_info+0x20/0x20 [ 51.461799][ T101] Code: 89 df e8 6d e8 f6 ff 45 31 c0 31 d2 31 f6 64 48 8b 04 25 10 00 00 00 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 52 89 c5 85 c0 75 31 64 48 8b 04 25 10 00 00 [ 51.466304][ T307] ? prandom_u32+0x24d/0x290 [ 51.466326][ T307] dump_stack+0x15/0x20 [ 51.472220][ T101] RSP: 002b:00007ffcba503c30 EFLAGS: 00000246 [ 51.476889][ T307] should_fail+0x3ab/0x500 [ 51.476911][ T307] __should_failslab+0xa4/0xe0 [ 51.481350][ T101] ORIG_RAX: 0000000000000038 [ 51.486562][ T307] should_failslab+0x9/0x20 [ 51.486585][ T307] slab_pre_alloc_hook+0x39/0xd0 [ 51.506258][ T101] RAX: ffffffffffffffda RBX: 00007ffcba503c38 RCX: 00007fca979b6636 [ 51.510803][ T307] ? fib6_add+0x9a0/0x3d70 [ 51.514993][ T101] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 51.521020][ T307] kmem_cache_alloc+0x44/0x260 [ 51.525491][ T101] RBP: 000055dea1b5d2c0 R08: 0000000000000000 R09: 0000000000000210 [ 51.530202][ T307] fib6_add+0x9a0/0x3d70 [ 51.534947][ T101] R10: 00007fca9787eb50 R11: 0000000000000246 R12: 00007ffcba503ff0 [ 51.539385][ T307] ? fib6_update_sernum_stub+0x190/0x190 [ 51.595248][ T307] ? __kasan_check_write+0x14/0x20 [ 51.600377][ T307] ? _raw_spin_lock_bh+0x94/0xf0 [ 51.605326][ T307] ? _raw_spin_lock_irq+0xf0/0xf0 [ 51.610367][ T307] ip6_ins_rt+0xd3/0x130 [ 51.614625][ T307] ? rt6_lookup+0x220/0x220 [ 51.619145][ T307] ? rtnl_notify+0x9a/0xc0 [ 51.623579][ T307] __ipv6_ifa_notify+0x4df/0xe70 [ 51.628528][ T307] ? inet6_fill_ifla6_attrs+0x25b0/0x25b0 [ 51.634265][ T307] ? __local_bh_enable_ip+0x58/0x80 [ 51.639488][ T307] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20 [ 51.646269][ T307] ? __kasan_check_write+0x14/0x20 [ 51.651397][ T307] ? try_to_grab_pending+0x1a4/0x580 [ 51.656710][ T307] ? __mutex_lock_slowpath+0x10/0x10 [ 51.662011][ T307] ? mod_delayed_work_on+0xe0/0xe0 [ 51.667140][ T307] ? node_free_rcu+0x30/0x30 [ 51.671839][ T307] ? __kasan_check_write+0x14/0x20 [ 51.676964][ T307] ? __cancel_work+0x198/0x200 [ 51.681739][ T307] addrconf_dad_completed+0x182/0xe20 [ 51.687122][ T307] ? __kasan_check_write+0x14/0x20 [ 51.692279][ T307] ? addrconf_dad_stop+0x440/0x440 [ 51.697421][ T307] ? add_grec+0xf70/0x1340 [ 51.701868][ T307] addrconf_dad_work+0xc4c/0x1510 [ 51.706908][ T307] ? ipv6_get_saddr_eval+0xf70/0xf70 [ 51.712203][ T307] ? __kasan_check_write+0x14/0x20 SYZFAIL: pipe failed (errno 12: Cannot allocate memory) [ 51.717356][ T307] ? pwq_activate_inactive_work+0x2ea/0x3f0 [ 51.723448][ T307] process_one_work+0x6c8/0xbb0 [ 51.728327][ T307] worker_thread+0xaa0/0x1250 [ 51.733041][ T307] ? __kasan_check_read+0x11/0x20 [ 51.738085][ T307] kthread+0x3f5/0x4f0 [ 51.742167][ T307] ? worker_clr_flags+0x190/0x190 [ 51.747209][ T307] ? kthread_blkcg+0xd0/0xd0 [ 51.751835][ T307] ret_from_fork+0x1f/0x30 [ 51.756278][ T307] [ 51.759322][ T101] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 51.767403][ T101] [ 51.770459][ T101] ---[ end trace a5c9700edecd711d ]--- [ 51.776978][ T101] udevd[101]: fork of child failed: Cannot allocate memory [ 51.785690][ T308] FAULT_INJECTION: forcing a failure. [ 51.785690][ T308] name failslab, interval 1, probability 1, space 0, times 948 [ 51.798881][ T357] FAULT_INJECTION: forcing a failure. [ 51.798881][ T357] name failslab, interval 1, probability 1, space 0, times 948 [ 51.806523][ T101] FAULT_INJECTION: forcing a failure. [ 51.806523][ T101] name failslab, interval 1, probability 1, space 0, times 948 [ 51.812670][ T357] CPU: 1 PID: 357 Comm: udevd Tainted: G W syzkaller #0 [ 51.832742][ T357] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 51.842811][ T357] Call Trace: [ 51.846108][ T357] [ 51.849069][ T357] __dump_stack+0x21/0x30 [ 51.853418][ T357] dump_stack_lvl+0x110/0x170 [ 51.858112][ T357] ? show_regs_print_info+0x20/0x20 [ 51.863341][ T357] dump_stack+0x15/0x20 [ 51.867510][ T357] should_fail+0x3ab/0x500 [ 51.872079][ T357] __should_failslab+0xa4/0xe0 [ 51.876875][ T357] should_failslab+0x9/0x20 [ 51.881404][ T357] slab_pre_alloc_hook+0x39/0xd0 [ 51.886372][ T357] __kmalloc+0x6d/0x2c0 [ 51.890568][ T357] ? kvmalloc_node+0x211/0x320 [ 51.895351][ T357] kvmalloc_node+0x211/0x320 [ 51.899956][ T357] ? __kasan_check_write+0x14/0x20 [ 51.905262][ T357] ? mutex_lock+0x9b/0x1c0 [ 51.909711][ T357] ? vm_mmap+0xb0/0xb0 [ 51.913820][ T357] ? __kasan_check_write+0x14/0x20 [ 51.918951][ T357] seq_read_iter+0x1f1/0xce0 [ 51.923561][ T357] ? avc_policy_seqno+0x1b/0x70 [ 51.928428][ T357] kernfs_fop_read_iter+0x146/0x460 [ 51.933647][ T357] vfs_read+0x6c0/0xc20 [ 51.937883][ T357] ? kernel_read+0x1f0/0x1f0 [ 51.942522][ T357] ? __kasan_check_read+0x11/0x20 [ 51.947586][ T357] ? __fdget_pos+0x2d9/0x380 [ 51.952375][ T357] ksys_read+0x14a/0x260 [ 51.956641][ T357] ? vfs_write+0xfd0/0xfd0 [ 51.961069][ T357] ? debug_smp_processor_id+0x17/0x20 [ 51.966466][ T357] __x64_sys_read+0x7b/0x90 [ 51.971003][ T357] x64_sys_call+0x96d/0x9a0 [ 51.975666][ T357] do_syscall_64+0x4c/0xa0 [ 51.980109][ T357] ? clear_bhb_loop+0x50/0xa0 [ 51.984806][ T357] ? clear_bhb_loop+0x50/0xa0 [ 51.987543][ T90] FAULT_INJECTION: forcing a failure. [ 51.987543][ T90] name failslab, interval 1, probability 1, space 0, times 947 [ 51.989683][ T357] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 52.009353][ T357] RIP: 0033:0x7fca9796c407 [ 52.013910][ T357] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 52.033534][ T357] RSP: 002b:00007ffcba4fb270 EFLAGS: 00000202 ORIG_RAX: 0000000000000000 [ 52.041975][ T357] RAX: ffffffffffffffda RBX: 00007fca9787e880 RCX: 00007fca9796c407 [ 52.049963][ T357] RDX: 0000000000001000 RSI: 000055dea1e2ef50 RDI: 0000000000000009 [ 52.057947][ T357] RBP: 00007fca97ab4ff0 R08: 0000000000000000 R09: 0000000000000000 [ 52.065937][ T357] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000000000a [ 52.073918][ T357] R13: 00007fca97ab4ea0 R14: 0000000000000000 R15: 000055dea1dbc950 [ 52.081914][ T357] [ 52.084947][ T101] CPU: 0 PID: 101 Comm: udevd Tainted: G W syzkaller #0 [ 52.093215][ T101] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 52.103298][ T101] Call Trace: [ 52.106610][ T101] [ 52.109557][ T101] __dump_stack+0x21/0x30 [ 52.113985][ T101] dump_stack_lvl+0x110/0x170 [ 52.118669][ T101] ? show_regs_print_info+0x20/0x20 [ 52.123883][ T101] ? prandom_u32+0x24d/0x290 [ 52.128491][ T101] dump_stack+0x15/0x20 [ 52.132662][ T101] should_fail+0x3ab/0x500 [ 52.137092][ T101] __should_failslab+0xa4/0xe0 [ 52.141967][ T101] should_failslab+0x9/0x20 [ 52.146485][ T101] slab_pre_alloc_hook+0x39/0xd0 [ 52.151444][ T101] ? security_file_alloc+0x33/0x120 [ 52.156663][ T101] kmem_cache_alloc+0x44/0x260 [ 52.161449][ T101] security_file_alloc+0x33/0x120 [ 52.166626][ T101] __alloc_file+0xb5/0x2a0 [ 52.171154][ T101] alloc_empty_file+0x97/0x180 [ 52.175938][ T101] path_openat+0xf4/0x2f80 [ 52.180369][ T101] ? __stack_depot_save+0x34/0x480 [ 52.185502][ T101] ? __kasan_slab_alloc+0xc9/0xe0 [ 52.190705][ T101] ? __kasan_slab_alloc+0xb7/0xe0 [ 52.195758][ T101] ? slab_post_alloc_hook+0x4f/0x2b0 [ 52.201066][ T101] ? kmem_cache_alloc+0xf7/0x260 [ 52.206019][ T101] ? getname_flags+0xba/0x510 [ 52.210712][ T101] ? getname+0x19/0x20 [ 52.214789][ T101] ? do_sys_openat2+0xeb/0x7f0 [ 52.219562][ T101] ? __x64_sys_openat+0x136/0x160 [ 52.224597][ T101] ? x64_sys_call+0x219/0x9a0 [ 52.229289][ T101] ? do_syscall_64+0x4c/0xa0 [ 52.233890][ T101] ? entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 52.239981][ T101] ? do_filp_open+0x400/0x400 [ 52.244690][ T101] do_filp_open+0x1df/0x400 [ 52.249256][ T101] ? vfs_tmpfile+0x2d0/0x2d0 [ 52.253870][ T101] do_sys_openat2+0x15e/0x7f0 [ 52.258684][ T101] ? mntput+0x5f/0xc0 [ 52.262687][ T101] ? path_put+0x57/0x60 [ 52.266862][ T101] ? do_sys_open+0xe0/0xe0 [ 52.271295][ T101] ? do_readlinkat+0x2a2/0x490 [ 52.276070][ T101] ? ____fput+0x15/0x20 [ 52.280237][ T101] __x64_sys_openat+0x136/0x160 [ 52.285100][ T101] x64_sys_call+0x219/0x9a0 [ 52.289621][ T101] do_syscall_64+0x4c/0xa0 [ 52.294050][ T101] ? clear_bhb_loop+0x50/0xa0 [ 52.298747][ T101] ? clear_bhb_loop+0x50/0xa0 [ 52.303436][ T101] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 52.309341][ T101] RIP: 0033:0x7fca9796c407 [ 52.313772][ T101] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 52.333401][ T101] RSP: 002b:00007ffcba4ff940 EFLAGS: 00000202 ORIG_RAX: 0000000000000101 [ 52.341919][ T101] RAX: ffffffffffffffda RBX: 00007fca9787e880 RCX: 00007fca9796c407 [ 52.349908][ T101] RDX: 0000000000080000 RSI: 00007ffcba4ffac0 RDI: ffffffffffffff9c [ 52.357893][ T101] RBP: 0000000000000008 R08: 0000000000000000 R09: 0000000000000000 [ 52.365897][ T101] R10: 0000000000000000 R11: 0000000000000202 R12: 000055de7ae137f5 [ 52.373877][ T101] R13: 000055de7ae137f5 R14: 0000000000000001 R15: 00007ffcba504130 [ 52.381864][ T101] [ 52.384956][ T287] syz-executor: vmalloc error: size 64, vm_struct allocation failed, mode:0xdc0(GFP_KERNEL|__GFP_ZERO), nodemask=(null),cpuset=syz1,mems_allowed=0 [ 52.385762][ T308] CPU: 0 PID: 308 Comm: udevd Tainted: G W syzkaller #0 [ 52.408112][ T308] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 52.418184][ T308] Call Trace: [ 52.421480][ T308] [ 52.424460][ T308] __dump_stack+0x21/0x30 [ 52.428823][ T308] dump_stack_lvl+0x110/0x170 [ 52.433522][ T308] ? show_regs_print_info+0x20/0x20 [ 52.438735][ T308] ? prandom_u32+0x24d/0x290 [ 52.443344][ T308] dump_stack+0x15/0x20 [ 52.447518][ T308] should_fail+0x3ab/0x500 [ 52.451953][ T308] __should_failslab+0xa4/0xe0 [ 52.456746][ T308] should_failslab+0x9/0x20 [ 52.461263][ T308] slab_pre_alloc_hook+0x39/0xd0 [ 52.466215][ T308] ? shmem_alloc_inode+0x1a/0x30 [ 52.471163][ T308] kmem_cache_alloc+0x44/0x260 [ 52.475944][ T308] ? shmem_match+0x160/0x160 [ 52.480547][ T308] shmem_alloc_inode+0x1a/0x30 [ 52.485352][ T308] new_inode_pseudo+0x62/0x210 [ 52.490141][ T308] new_inode+0x28/0x1e0 [ 52.494314][ T308] shmem_get_inode+0x343/0x9d0 [ 52.499096][ T308] shmem_mknod+0x5c/0x1c0 [ 52.503447][ T308] shmem_create+0x2c/0x40 [ 52.507790][ T308] ? shmem_fallocate+0xd30/0xd30 [ 52.512750][ T308] path_openat+0x15e6/0x2f80 [ 52.517359][ T308] ? do_filp_open+0x400/0x400 [ 52.522051][ T308] do_filp_open+0x1df/0x400 [ 52.526566][ T308] ? vfs_tmpfile+0x2d0/0x2d0 [ 52.531176][ T308] do_sys_openat2+0x15e/0x7f0 [ 52.535868][ T308] ? vfs_utimes+0x5b0/0x5b0 [ 52.540393][ T308] ? do_sys_open+0xe0/0xe0 [ 52.544854][ T308] ? do_utimes+0x2a0/0x2a0 [ 52.549284][ T308] __x64_sys_openat+0x136/0x160 [ 52.554151][ T308] x64_sys_call+0x219/0x9a0 [ 52.558671][ T308] do_syscall_64+0x4c/0xa0 [ 52.563105][ T308] ? clear_bhb_loop+0x50/0xa0 [ 52.567803][ T308] ? clear_bhb_loop+0x50/0xa0 [ 52.572496][ T308] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 52.574092][ T286] syz-executor (286) used greatest stack depth: 21792 bytes left [ 52.578402][ T308] RIP: 0033:0x7fca9796c407 [ 52.590551][ T308] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 52.610183][ T308] RSP: 002b:00007ffcba503330 EFLAGS: 00000202 ORIG_RAX: 0000000000000101 [ 52.618722][ T308] RAX: ffffffffffffffda RBX: 00007fca9787e880 RCX: 00007fca9796c407 [ 52.626712][ T308] RDX: 0000000000080241 RSI: 00007ffcba503890 RDI: ffffffffffffff9c [ 52.634707][ T308] RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000 [ 52.642709][ T308] R10: 00000000000001b6 R11: 0000000000000202 R12: 000055de7ae13dfc [ 52.650697][ T308] R13: 000055de7ae13dfc R14: 0000000000000001 R15: 000055de7ae2e140 [ 52.658693][ T308] [ 52.661731][ T287] CPU: 1 PID: 287 Comm: syz-executor Tainted: G W syzkaller #0 [ 52.670610][ T287] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 52.680701][ T287] Call Trace: [ 52.683997][ T287] [ 52.686948][ T287] __dump_stack+0x21/0x30 [ 52.691302][ T287] dump_stack_lvl+0x110/0x170 [ 52.695995][ T287] ? show_regs_print_info+0x20/0x20 [ 52.701203][ T287] ? pr_cont_kernfs_name+0xe3/0xf0 [ 52.706329][ T287] dump_stack+0x15/0x20 [ 52.710502][ T287] warn_alloc+0x1dc/0x200 [ 52.714846][ T287] ? slab_free_freelist_hook+0xc2/0x190 [ 52.720412][ T287] ? zone_watermark_ok_safe+0x270/0x270 [ 52.726084][ T287] ? __get_vm_area_node+0x163/0x350 [ 52.731300][ T287] ? __get_vm_area_node+0x163/0x350 [ 52.736515][ T287] __vmalloc_node_range+0x15e/0xad0 [ 52.741732][ T287] ? selinux_capable+0x2b6/0x3b0 [ 52.746698][ T287] ? selinux_capset+0xf0/0xf0 [ 52.751394][ T287] ? alloc_counters+0x65/0x540 [ 52.756178][ T287] vzalloc+0x78/0x90 [ 52.760088][ T287] ? alloc_counters+0x65/0x540 [ 52.764870][ T287] alloc_counters+0x65/0x540 [ 52.769478][ T287] ? xt_find_table_lock+0x3b6/0x400 [ 52.774692][ T287] do_arpt_get_ctl+0x9ec/0xff0 [ 52.779470][ T287] ? do_arpt_set_ctl+0xf90/0xf90 [ 52.784429][ T287] ? is_bpf_text_address+0x177/0x190 [ 52.789731][ T287] ? unwind_get_return_address+0x4d/0x90 [ 52.795377][ T287] ? __kasan_check_write+0x14/0x20 [ 52.800502][ T287] ? _raw_spin_lock_bh+0x94/0xf0 [ 52.805459][ T287] ? _raw_spin_lock_irq+0xf0/0xf0 [ 52.810505][ T287] ? __kasan_check_write+0x14/0x20 [ 52.815637][ T287] ? mutex_unlock+0x8f/0x230 [ 52.820243][ T287] ? __mutex_lock_slowpath+0x10/0x10 [ 52.825544][ T287] ? _raw_spin_lock_bh+0x94/0xf0 [ 52.830498][ T287] ? _raw_spin_lock_irq+0xf0/0xf0 [ 52.835545][ T287] nf_getsockopt+0x26d/0x290 [ 52.840148][ T287] ip_getsockopt+0x134d/0x17a0 [ 52.844931][ T287] ? ip_setsockopt+0x37a0/0x37a0 [ 52.849885][ T287] ? arch_stack_walk+0xee/0x140 [ 52.854758][ T287] ? stack_trace_save+0xa6/0xf0 [ 52.859629][ T287] ? __stack_depot_save+0x34/0x480 [ 52.864796][ T287] ? __kasan_slab_alloc+0xc9/0xe0 [ 52.869840][ T287] ? __kasan_slab_alloc+0xb7/0xe0 [ 52.874987][ T287] ? slab_post_alloc_hook+0x4f/0x2b0 [ 52.880286][ T287] ? kmem_cache_alloc+0xf7/0x260 [ 52.885240][ T287] ? security_file_alloc+0x33/0x120 [ 52.890461][ T287] ? __alloc_file+0xb5/0x2a0 [ 52.895063][ T287] ? alloc_empty_file+0x97/0x180 [ 52.900015][ T287] ? alloc_file+0x59/0x580 [ 52.904466][ T287] ? alloc_file_pseudo+0x180/0x200 [ 52.909609][ T287] ? sock_alloc_file+0xba/0x260 [ 52.914476][ T287] ? __sys_socket+0x12b/0x190 [ 52.919176][ T287] ? x64_sys_call+0x8c5/0x9a0 [ 52.923864][ T287] ? do_syscall_64+0x4c/0xa0 [ 52.928468][ T287] ? entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 52.934548][ T287] tcp_getsockopt+0x1fc/0x23a0 [ 52.939327][ T287] ? memcpy+0x56/0x70 [ 52.943324][ T287] ? avc_has_perm_noaudit+0x30a/0x490 [ 52.948723][ T287] ? tcp_bpf_bypass_getsockopt+0x40/0x40 [ 52.954375][ T287] ? avc_denied+0x1b0/0x1b0 [ 52.958934][ T287] ? avc_has_perm+0x163/0x250 [ 52.963625][ T287] ? avc_has_perm_noaudit+0x490/0x490 [ 52.969013][ T287] ? selinux_socket_getsockopt+0x22f/0x340 [ 52.973709][ T101] FAULT_INJECTION: forcing a failure. [ 52.973709][ T101] name failslab, interval 1, probability 1, space 0, times 942 [ 52.974859][ T287] ? memcpy+0x56/0x70 [ 52.991717][ T287] ? selinux_socket_getpeername+0x340/0x340 [ 52.997651][ T287] ? alloc_empty_file_noaccount+0x80/0x80 [ 53.003402][ T287] sock_common_getsockopt+0x98/0xb0 [ 53.008658][ T287] ? sock_recv_errqueue+0x5c0/0x5c0 [ 53.013883][ T287] __sys_getsockopt+0x207/0x400 [ 53.018758][ T287] __x64_sys_getsockopt+0xbf/0xd0 [ 53.023802][ T287] x64_sys_call+0x6db/0x9a0 [ 53.028320][ T287] do_syscall_64+0x4c/0xa0 [ 53.032749][ T287] ? clear_bhb_loop+0x50/0xa0 [ 53.037438][ T287] ? clear_bhb_loop+0x50/0xa0 [ 53.042128][ T287] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 53.048062][ T287] RIP: 0033:0x7f410c33d66a [ 53.048841][ T357] FAULT_INJECTION: forcing a failure. [ 53.048841][ T357] name failslab, interval 1, probability 1, space 0, times 942 [ 53.052540][ T287] Code: 48 83 ec 10 89 d2 48 63 ff 45 31 c9 6a 2a 45 31 c0 31 c9 e8 d8 99 fb ff 48 83 c4 18 c3 0f 1f 00 49 89 ca b8 37 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 06 c3 0f 1f 44 00 00 48 c7 c2 e8 ff ff ff f7 [ 53.085065][ T287] RSP: 002b:00007ffff30cd1f8 EFLAGS: 00000212 ORIG_RAX: 0000000000000037 [ 53.093510][ T287] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f410c33d66a [ 53.101504][ T287] RDX: 0000000000000061 RSI: 0000000000000000 RDI: 0000000000000003 [ 53.109501][ T287] RBP: 00007ffff30cd260 R08: 00007ffff30cd20c R09: 0000000000000000 [ 53.117497][ T287] R10: 00007ffff30cd260 R11: 0000000000000212 R12: 00007ffff30cd20c [ 53.125482][ T287] R13: 00007f410c3d28fd R14: 0000000000006848 R15: 00007ffff30cd950 [ 53.133471][ T287] [ 53.136503][ T101] CPU: 0 PID: 101 Comm: udevd Tainted: G W syzkaller #0 [ 53.144772][ T101] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 53.154929][ T101] Call Trace: [ 53.158224][ T101] [ 53.161173][ T101] __dump_stack+0x21/0x30 [ 53.165516][ T101] dump_stack_lvl+0x110/0x170 [ 53.170211][ T101] ? show_regs_print_info+0x20/0x20 [ 53.175424][ T101] ? prandom_u32+0x24d/0x290 [ 53.180039][ T101] dump_stack+0x15/0x20 [ 53.184337][ T101] should_fail+0x3ab/0x500 [ 53.188792][ T101] __should_failslab+0xa4/0xe0 [ 53.193696][ T101] should_failslab+0x9/0x20 [ 53.198468][ T101] slab_pre_alloc_hook+0x39/0xd0 [ 53.203437][ T101] kmem_cache_alloc_trace+0x48/0x270 [ 53.208928][ T101] ? kernfs_fop_open+0x8c0/0xbb0 [ 53.213902][ T101] kernfs_fop_open+0x8c0/0xbb0 [ 53.218689][ T101] ? kernfs_fop_mmap+0x400/0x400 [ 53.223645][ T101] do_dentry_open+0x82a/0x1010 [ 53.228443][ T101] vfs_open+0x73/0x80 [ 53.232588][ T101] path_openat+0x26e6/0x2f80 [ 53.237204][ T101] ? __kasan_slab_alloc+0xc9/0xe0 [ 53.242423][ T101] ? __x64_sys_openat+0x136/0x160 [ 53.247459][ T101] ? x64_sys_call+0x219/0x9a0 [ 53.252154][ T101] ? do_filp_open+0x400/0x400 [ 53.256851][ T101] do_filp_open+0x1df/0x400 [ 53.261392][ T101] ? vfs_tmpfile+0x2d0/0x2d0 [ 53.266085][ T101] do_sys_openat2+0x15e/0x7f0 [ 53.270776][ T101] ? mntput+0x5f/0xc0 [ 53.274778][ T101] ? path_put+0x57/0x60 [ 53.278946][ T101] ? do_sys_open+0xe0/0xe0 [ 53.283374][ T101] ? do_readlinkat+0x2a2/0x490 [ 53.288157][ T101] __x64_sys_openat+0x136/0x160 [ 53.293056][ T101] x64_sys_call+0x219/0x9a0 [ 53.297575][ T101] do_syscall_64+0x4c/0xa0 [ 53.302010][ T101] ? clear_bhb_loop+0x50/0xa0 [ 53.306699][ T101] ? clear_bhb_loop+0x50/0xa0 [ 53.311386][ T101] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 53.317327][ T101] RIP: 0033:0x7fca9796c407 [ 53.321767][ T101] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 53.341477][ T101] RSP: 002b:00007ffcba503db0 EFLAGS: 00000202 ORIG_RAX: 0000000000000101 [ 53.349902][ T101] RAX: ffffffffffffffda RBX: 00007fca9787e880 RCX: 00007fca9796c407 [ 53.357975][ T101] RDX: 0000000000080241 RSI: 00007ffcba504220 RDI: ffffffffffffff9c [ 53.365958][ T101] RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000 [ 53.373936][ T101] R10: 00000000000001b6 R11: 0000000000000202 R12: 000055de7ae13dfc [ 53.381936][ T101] R13: 000055de7ae13dfc R14: 0000000000000001 R15: 00007ffcba504130 [ 53.389942][ T101] [ 53.393812][ T287] Mem-Info: [ 53.396970][ T287] active_anon:43 inactive_anon:3374 isolated_anon:0 [ 53.396970][ T287] active_file:4773 inactive_file:3132 isolated_file:0 [ 53.396970][ T287] unevictable:0 dirty:330 writeback:0 [ 53.396970][ T287] slab_reclaimable:7383 slab_unreclaimable:72101 [ 53.396970][ T287] mapped:12366 shmem:226 pagetables:273 bounce:0 [ 53.396970][ T287] kernel_misc_reclaimable:0 [ 53.396970][ T287] free:1580527 free_pcp:27017 free_cma:0 [ 53.438972][ T90] CPU: 0 PID: 90 Comm: klogd Tainted: G W syzkaller #0 [ 53.447174][ T90] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 53.457343][ T90] Call Trace: [ 53.460825][ T90] [ 53.463764][ T90] __dump_stack+0x21/0x30 [ 53.468228][ T90] dump_stack_lvl+0x110/0x170 [ 53.472939][ T90] ? show_regs_print_info+0x20/0x20 [ 53.478212][ T90] ? prandom_u32+0x24d/0x290 [ 53.482816][ T90] dump_stack+0x15/0x20 [ 53.486994][ T90] should_fail+0x3ab/0x500 [ 53.491440][ T90] ? alloc_skb_with_frags+0xa8/0x620 [ 53.496754][ T90] __should_failslab+0xa4/0xe0 [ 53.501552][ T90] should_failslab+0x9/0x20 [ 53.506069][ T90] slab_pre_alloc_hook+0x39/0xd0 [ 53.511139][ T90] ? alloc_skb_with_frags+0xa8/0x620 [ 53.516448][ T90] ? alloc_skb_with_frags+0xa8/0x620 [ 53.522132][ T90] __kmalloc_track_caller+0x6c/0x2c0 [ 53.527452][ T90] ? alloc_skb_with_frags+0xa8/0x620 [ 53.532762][ T90] ? alloc_skb_with_frags+0xa8/0x620 [ 53.538064][ T90] __alloc_skb+0x210/0x730 [ 53.542510][ T90] alloc_skb_with_frags+0xa8/0x620 [ 53.547660][ T90] ? memcpy+0x56/0x70 [ 53.551654][ T90] sock_alloc_send_pskb+0x87f/0x9a0 [ 53.556863][ T90] ? sock_kzfree_s+0x60/0x60 [ 53.561462][ T90] ? __kasan_check_write+0x14/0x20 [ 53.566591][ T90] ? _raw_spin_lock+0x94/0xf0 [ 53.571299][ T90] ? _raw_spin_trylock_bh+0x150/0x150 [ 53.576699][ T90] unix_dgram_sendmsg+0x6f3/0x19b0 [ 53.581841][ T90] ? unix_dgram_poll+0x6c0/0x6c0 [ 53.586801][ T90] ? security_socket_sendmsg+0x82/0xa0 [ 53.592274][ T90] __sys_sendto+0x46d/0x620 [ 53.596789][ T90] ? __ia32_sys_getpeername+0x90/0x90 [ 53.602182][ T90] __x64_sys_sendto+0xe5/0x100 [ 53.606959][ T90] x64_sys_call+0x178/0x9a0 [ 53.611477][ T90] do_syscall_64+0x4c/0xa0 [ 53.615908][ T90] ? clear_bhb_loop+0x50/0xa0 [ 53.620600][ T90] ? clear_bhb_loop+0x50/0xa0 [ 53.625291][ T90] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 53.631197][ T90] RIP: 0033:0x7f6eb8278407 [ 53.635624][ T90] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 53.655338][ T90] RSP: 002b:00007fffc974d120 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 53.663780][ T90] RAX: ffffffffffffffda RBX: 00007f6eb8128c80 RCX: 00007f6eb8278407 [ 53.671778][ T90] RDX: 0000000000000073 RSI: 00007fffc974d260 RDI: 0000000000000003 [ 53.679763][ T90] RBP: 00007fffc974d690 R08: 0000000000000000 R09: 0000000000000000 [ 53.687744][ T90] R10: 0000000000004000 R11: 0000000000000202 R12: 00007fffc974d6a8 [ 53.695727][ T90] R13: 00007fffc974d260 R14: 0000000000000058 R15: 00007fffc974d260 [ 53.703716][ T90] [ 53.706896][ T357] CPU: 1 PID: 357 Comm: udevd Tainted: G W syzkaller #0 [ 53.707082][ T287] Node 0 active_anon:172kB inactive_anon:13496kB active_file:19092kB inactive_file:12528kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:49464kB dirty:1320kB writeback:0kB shmem:904kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:3584kB pagetables:1092kB all_unreclaimable? no [ 53.715165][ T357] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 53.715178][ T357] Call Trace: [ 53.715185][ T357] [ 53.715193][ T357] __dump_stack+0x21/0x30 [ 53.745838][ T287] DMA32 free:2978772kB min:62612kB low:78264kB high:93916kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:2982756kB mlocked:0kB bounce:0kB free_pcp:3984kB local_pcp:3984kB free_cma:0kB [ 53.755804][ T357] dump_stack_lvl+0x110/0x170 [ 53.755828][ T357] ? show_regs_print_info+0x20/0x20 [ 53.803563][ T357] ? prandom_u32+0x24d/0x290 [ 53.808180][ T357] dump_stack+0x15/0x20 [ 53.812345][ T357] should_fail+0x3ab/0x500 [ 53.816775][ T357] __should_failslab+0xa4/0xe0 [ 53.821554][ T357] should_failslab+0x9/0x20 [ 53.826068][ T357] slab_pre_alloc_hook+0x39/0xd0 [ 53.831015][ T357] ? sidtab_sid2str_get+0x137/0x2c0 [ 53.836233][ T357] __kmalloc_track_caller+0x6c/0x2c0 [ 53.841539][ T357] ? sidtab_sid2str_get+0x137/0x2c0 [ 53.846745][ T357] kmemdup+0x26/0x60 [ 53.850648][ T357] sidtab_sid2str_get+0x137/0x2c0 [ 53.855704][ T357] security_sid_to_context_core+0x2ac/0x480 [ 53.861628][ T357] security_sid_to_context_force+0x36/0x40 [ 53.867451][ T357] selinux_inode_init_security+0x425/0x620 [ 53.873271][ T357] ? selinux_inode_free_security+0x230/0x230 [ 53.879266][ T357] security_inode_init_security+0x166/0x380 [ 53.885170][ T357] ? shmem_tmpfile+0x100/0x100 [ 53.889953][ T357] ? security_dentry_create_files_as+0xc0/0xc0 [ 53.896122][ T357] ? shmem_get_inode+0x60c/0x9d0 [ 53.901070][ T357] shmem_symlink+0xd0/0x4d0 [ 53.905593][ T357] vfs_symlink+0x29e/0x470 [ 53.910057][ T357] do_symlinkat+0x24a/0x5d0 [ 53.914577][ T357] __x64_sys_symlink+0x7e/0x90 [ 53.919358][ T357] x64_sys_call+0x759/0x9a0 [ 53.923887][ T357] do_syscall_64+0x4c/0xa0 [ 53.928311][ T357] ? clear_bhb_loop+0x50/0xa0 [ 53.932993][ T357] ? clear_bhb_loop+0x50/0xa0 [ 53.937679][ T357] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 53.943580][ T357] RIP: 0033:0x7fca979da527 [ 53.948014][ T357] Code: f0 ff ff 77 06 c3 0f 1f 44 00 00 48 8b 15 c9 b8 0d 00 f7 d8 64 89 02 b8 ff ff ff ff c3 66 0f 1f 44 00 00 b8 58 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 8b 15 a1 b8 0d 00 f7 d8 64 89 02 b8 [ 53.967743][ T357] RSP: 002b:00007ffcba503928 EFLAGS: 00000202 ORIG_RAX: 0000000000000058 [ 53.976179][ T357] RAX: ffffffffffffffda RBX: 000055dea1d9e330 RCX: 00007fca979da527 [ 53.984166][ T357] RDX: 0000000000000000 RSI: 00007ffcba503930 RDI: 000055dea1b605c0 [ 53.992147][ T357] RBP: 0000000000000036 R08: 0000000000000064 R09: 0000000000000000 [ 54.000131][ T357] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffcba503930 [ 54.008114][ T357] R13: 000055dea1da2920 R14: 0000000000000008 R15: 000055dea1d9e330 [ 54.016111][ T357] [ 54.019241][ C1] FAULT_INJECTION: forcing a failure. [ 54.019241][ C1] name failslab, interval 1, probability 1, space 0, times 942 [ 54.032240][ C1] CPU: 1 PID: 357 Comm: udevd Tainted: G W syzkaller #0 [ 54.040507][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 54.050576][ C1] Call Trace: [ 54.053871][ C1] [ 54.056728][ C1] __dump_stack+0x21/0x30 [ 54.061073][ C1] dump_stack_lvl+0x110/0x170 [ 54.065879][ C1] ? show_regs_print_info+0x20/0x20 [ 54.071098][ C1] ? prandom_u32+0x24d/0x290 [ 54.075704][ C1] dump_stack+0x15/0x20 [ 54.079885][ C1] should_fail+0x3ab/0x500 [ 54.084492][ C1] __should_failslab+0xa4/0xe0 [ 54.089278][ C1] should_failslab+0x9/0x20 [ 54.094005][ C1] slab_pre_alloc_hook+0x39/0xd0 [ 54.098976][ C1] ? dst_alloc+0x15c/0x1d0 [ 54.103429][ C1] kmem_cache_alloc+0x44/0x260 [ 54.108214][ C1] ? ipv6_sysctl_rtcache_flush+0x100/0x100 [ 54.114038][ C1] dst_alloc+0x15c/0x1d0 [ 54.118304][ C1] icmp6_dst_alloc+0xec/0x520 [ 54.123089][ C1] ? security_sk_classify_flow+0x7b/0x90 [ 54.128740][ C1] ? icmpv6_flow_init+0xd2/0x130 [ 54.133719][ C1] ndisc_send_skb+0x2a9/0xcf0 [ 54.138416][ C1] ? shmem_symlink+0xd0/0x4d0 [ 54.143110][ C1] ? vfs_symlink+0x29e/0x470 [ 54.147714][ C1] ? do_symlinkat+0x24a/0x5d0 [ 54.152403][ C1] ? __x64_sys_symlink+0x7e/0x90 [ 54.157358][ C1] ? x64_sys_call+0x759/0x9a0 [ 54.162053][ C1] ? ndisc_alloc_skb+0x290/0x290 [ 54.167030][ C1] ? ndisc_send_rs+0x61f/0x960 [ 54.171809][ C1] ? memcpy+0x56/0x70 [ 54.175808][ C1] ndisc_send_rs+0x711/0x960 [ 54.180418][ C1] addrconf_rs_timer+0x35a/0x600 [ 54.185368][ C1] ? addrconf_disable_policy_idev+0x360/0x360 [ 54.191445][ C1] ? _raw_spin_lock_irq+0x95/0xf0 [ 54.196501][ C1] ? _raw_spin_lock_irqsave+0x130/0x130 [ 54.202084][ C1] ? addrconf_disable_policy_idev+0x360/0x360 [ 54.208400][ C1] call_timer_fn+0x38/0x290 [ 54.212946][ C1] ? addrconf_disable_policy_idev+0x360/0x360 [ 54.219047][ C1] __run_timers+0x637/0x9a0 [ 54.223585][ C1] ? calc_index+0x200/0x200 [ 54.228111][ C1] ? sched_clock_cpu+0x18/0x3d0 [ 54.232979][ C1] run_timer_softirq+0x6a/0xf0 [ 54.237763][ C1] handle_softirqs+0x250/0x560 [ 54.242542][ C1] __irq_exit_rcu+0x52/0xf0 [ 54.247063][ C1] irq_exit_rcu+0x9/0x10 [ 54.251332][ C1] sysvec_apic_timer_interrupt+0xa9/0xc0 [ 54.256985][ C1] [ 54.259928][ C1] [ 54.262871][ C1] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 54.268868][ C1] RIP: 0010:dump_stack_lvl+0x144/0x170 [ 54.274343][ C1] Code: e6 00 02 00 00 31 ff e8 3a 97 be fc 49 81 e5 00 02 00 00 75 07 e8 ec 92 be fc eb 06 e8 e5 92 be fc fb 48 c7 04 24 0e 36 e0 45 <4b> c7 04 27 00 00 00 00 65 48 8b 04 25 28 00 00 00 48 3b 44 24 40 [ 54.293970][ C1] RSP: 0018:ffffc90007867860 EFLAGS: 00000293 [ 54.300059][ C1] RAX: ffffffff84ab23fb RBX: ffffffff8564bda0 RCX: ffff8881107c8000 [ 54.308065][ C1] RDX: 0000000000000000 RSI: 0000000000000200 RDI: 0000000000000000 [ 54.316063][ C1] RBP: ffffc900078678e8 R08: 0000000000000003 R09: 0000000000000004 [ 54.324063][ C1] R10: dffffc0000000000 R11: fffffbfff0ce23f0 R12: dffffc0000000000 [ 54.332054][ C1] R13: 0000000000000200 R14: dffffc0000000004 R15: 1ffff92000f0cf0c [ 54.340142][ C1] ? dump_stack_lvl+0x13b/0x170 [ 54.345012][ C1] ? show_regs_print_info+0x20/0x20 [ 54.350229][ C1] ? prandom_u32+0x24d/0x290 [ 54.354834][ C1] dump_stack+0x15/0x20 [ 54.358998][ C1] should_fail+0x3ab/0x500 [ 54.363431][ C1] __should_failslab+0xa4/0xe0 [ 54.368232][ C1] should_failslab+0x9/0x20 [ 54.372747][ C1] slab_pre_alloc_hook+0x39/0xd0 [ 54.377706][ C1] ? sidtab_sid2str_get+0x137/0x2c0 [ 54.382922][ C1] __kmalloc_track_caller+0x6c/0x2c0 [ 54.388229][ C1] ? sidtab_sid2str_get+0x137/0x2c0 [ 54.393467][ C1] kmemdup+0x26/0x60 [ 54.397388][ C1] sidtab_sid2str_get+0x137/0x2c0 [ 54.402448][ C1] security_sid_to_context_core+0x2ac/0x480 [ 54.408355][ C1] security_sid_to_context_force+0x36/0x40 [ 54.414184][ C1] selinux_inode_init_security+0x425/0x620 [ 54.420012][ C1] ? selinux_inode_free_security+0x230/0x230 [ 54.426012][ C1] security_inode_init_security+0x166/0x380 [ 54.431927][ C1] ? shmem_tmpfile+0x100/0x100 [ 54.436706][ C1] ? security_dentry_create_files_as+0xc0/0xc0 [ 54.442874][ C1] ? shmem_get_inode+0x60c/0x9d0 [ 54.447828][ C1] shmem_symlink+0xd0/0x4d0 [ 54.452346][ C1] vfs_symlink+0x29e/0x470 [ 54.456777][ C1] do_symlinkat+0x24a/0x5d0 [ 54.461294][ C1] __x64_sys_symlink+0x7e/0x90 [ 54.466073][ C1] x64_sys_call+0x759/0x9a0 [ 54.470594][ C1] do_syscall_64+0x4c/0xa0 [ 54.475159][ C1] ? clear_bhb_loop+0x50/0xa0 [ 54.479850][ C1] ? clear_bhb_loop+0x50/0xa0 [ 54.484544][ C1] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 54.490452][ C1] RIP: 0033:0x7fca979da527 [ 54.494883][ C1] Code: f0 ff ff 77 06 c3 0f 1f 44 00 00 48 8b 15 c9 b8 0d 00 f7 d8 64 89 02 b8 ff ff ff ff c3 66 0f 1f 44 00 00 b8 58 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 8b 15 a1 b8 0d 00 f7 d8 64 89 02 b8 [ 54.514506][ C1] RSP: 002b:00007ffcba503928 EFLAGS: 00000202 ORIG_RAX: 0000000000000058 [ 54.522937][ C1] RAX: ffffffffffffffda RBX: 000055dea1d9e330 RCX: 00007fca979da527 [ 54.530925][ C1] RDX: 0000000000000000 RSI: 00007ffcba503930 RDI: 000055dea1b605c0 [ 54.538929][ C1] RBP: 0000000000000036 R08: 0000000000000064 R09: 0000000000000000 [ 54.546925][ C1] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffcba503930 [ 54.554913][ C1] R13: 000055dea1da2920 R14: 0000000000000008 R15: 000055dea1d9e330 [ 54.563348][ C1] [ 54.567293][ C1] FAULT_INJECTION: forcing a failure. [ 54.567293][ C1] name failslab, interval 1, probability 1, space 0, times 941 [ 54.580082][ C1] CPU: 1 PID: 357 Comm: udevd Tainted: G W syzkaller #0 [ 54.588346][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 54.598410][ C1] Call Trace: [ 54.601699][ C1] [ 54.604556][ C1] __dump_stack+0x21/0x30 [ 54.608906][ C1] dump_stack_lvl+0x110/0x170 [ 54.613602][ C1] ? show_regs_print_info+0x20/0x20 [ 54.618819][ C1] ? prandom_u32+0x24d/0x290 [ 54.623422][ C1] dump_stack+0x15/0x20 [ 54.627597][ C1] should_fail+0x3ab/0x500 [ 54.632026][ C1] __should_failslab+0xa4/0xe0 [ 54.636811][ C1] should_failslab+0x9/0x20 [ 54.641330][ C1] slab_pre_alloc_hook+0x39/0xd0 [ 54.646283][ C1] ? __alloc_skb+0xe4/0x730 [ 54.650894][ C1] kmem_cache_alloc+0x44/0x260 [ 54.655669][ C1] __alloc_skb+0xe4/0x730 [ 54.660019][ C1] ndisc_send_rs+0x310/0x960 [ 54.664629][ C1] addrconf_rs_timer+0x35a/0x600 [ 54.669590][ C1] ? addrconf_disable_policy_idev+0x360/0x360 [ 54.675672][ C1] ? _raw_spin_lock_irq+0x95/0xf0 [ 54.680731][ C1] ? _raw_spin_lock_irqsave+0x130/0x130 [ 54.686298][ C1] ? addrconf_disable_policy_idev+0x360/0x360 [ 54.692570][ C1] call_timer_fn+0x38/0x290 [ 54.697111][ C1] ? addrconf_disable_policy_idev+0x360/0x360 [ 54.703209][ C1] __run_timers+0x637/0x9a0 [ 54.707735][ C1] ? calc_index+0x200/0x200 [ 54.712263][ C1] ? sched_clock_cpu+0x18/0x3d0 [ 54.717133][ C1] run_timer_softirq+0x6a/0xf0 [ 54.721934][ C1] handle_softirqs+0x250/0x560 [ 54.726724][ C1] __irq_exit_rcu+0x52/0xf0 [ 54.731255][ C1] irq_exit_rcu+0x9/0x10 [ 54.735514][ C1] sysvec_apic_timer_interrupt+0xa9/0xc0 [ 54.741256][ C1] [ 54.744199][ C1] [ 54.747148][ C1] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 54.753319][ C1] RIP: 0010:dump_stack_lvl+0x144/0x170 [ 54.758895][ C1] Code: e6 00 02 00 00 31 ff e8 3a 97 be fc 49 81 e5 00 02 00 00 75 07 e8 ec 92 be fc eb 06 e8 e5 92 be fc fb 48 c7 04 24 0e 36 e0 45 <4b> c7 04 27 00 00 00 00 65 48 8b 04 25 28 00 00 00 48 3b 44 24 40 [ 54.779247][ C1] RSP: 0018:ffffc90007867860 EFLAGS: 00000293 [ 54.786261][ C1] RAX: ffffffff84ab23fb RBX: ffffffff8564bda0 RCX: ffff8881107c8000 [ 54.795295][ C1] RDX: 0000000000000000 RSI: 0000000000000200 RDI: 0000000000000000 [ 54.803545][ C1] RBP: ffffc900078678e8 R08: 0000000000000003 R09: 0000000000000004 [ 54.811894][ C1] R10: dffffc0000000000 R11: fffffbfff0ce23f0 R12: dffffc0000000000 [ 54.820077][ C1] R13: 0000000000000200 R14: dffffc0000000004 R15: 1ffff92000f0cf0c [ 54.828697][ C1] ? dump_stack_lvl+0x13b/0x170 [ 54.834005][ C1] ? show_regs_print_info+0x20/0x20 [ 54.839565][ C1] ? prandom_u32+0x24d/0x290 [ 54.844344][ C1] dump_stack+0x15/0x20 [ 54.848523][ C1] should_fail+0x3ab/0x500 [ 54.852957][ C1] __should_failslab+0xa4/0xe0 [ 54.857927][ C1] should_failslab+0x9/0x20 [ 54.862446][ C1] slab_pre_alloc_hook+0x39/0xd0 [ 54.867486][ C1] ? sidtab_sid2str_get+0x137/0x2c0 [ 54.872711][ C1] __kmalloc_track_caller+0x6c/0x2c0 [ 54.878363][ C1] ? sidtab_sid2str_get+0x137/0x2c0 [ 54.883755][ C1] kmemdup+0x26/0x60 [ 54.887671][ C1] sidtab_sid2str_get+0x137/0x2c0 [ 54.892824][ C1] security_sid_to_context_core+0x2ac/0x480 [ 54.898735][ C1] security_sid_to_context_force+0x36/0x40 [ 54.904564][ C1] selinux_inode_init_security+0x425/0x620 [ 54.911347][ C1] ? selinux_inode_free_security+0x230/0x230 [ 54.917608][ C1] security_inode_init_security+0x166/0x380 [ 54.923527][ C1] ? shmem_tmpfile+0x100/0x100 [ 54.928950][ C1] ? security_dentry_create_files_as+0xc0/0xc0 [ 54.935211][ C1] ? shmem_get_inode+0x60c/0x9d0 [ 54.940160][ C1] shmem_symlink+0xd0/0x4d0 [ 54.944683][ C1] vfs_symlink+0x29e/0x470 [ 54.949119][ C1] do_symlinkat+0x24a/0x5d0 [ 54.953638][ C1] __x64_sys_symlink+0x7e/0x90 [ 54.958417][ C1] x64_sys_call+0x759/0x9a0 [ 54.962937][ C1] do_syscall_64+0x4c/0xa0 [ 54.967367][ C1] ? clear_bhb_loop+0x50/0xa0 [ 54.972057][ C1] ? clear_bhb_loop+0x50/0xa0 [ 54.976755][ C1] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 54.982664][ C1] RIP: 0033:0x7fca979da527 [ 54.987090][ C1] Code: f0 ff ff 77 06 c3 0f 1f 44 00 00 48 8b 15 c9 b8 0d 00 f7 d8 64 89 02 b8 ff ff ff ff c3 66 0f 1f 44 00 00 b8 58 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 8b 15 a1 b8 0d 00 f7 d8 64 89 02 b8 [ 55.006706][ C1] RSP: 002b:00007ffcba503928 EFLAGS: 00000202 ORIG_RAX: 0000000000000058 [ 55.015165][ C1] RAX: ffffffffffffffda RBX: 000055dea1d9e330 RCX: 00007fca979da527 [ 55.023156][ C1] RDX: 0000000000000000 RSI: 00007ffcba503930 RDI: 000055dea1b605c0 [ 55.031161][ C1] RBP: 0000000000000036 R08: 0000000000000064 R09: 0000000000000000 [ 55.039146][ C1] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffcba503930 [ 55.047132][ C1] R13: 000055dea1da2920 R14: 0000000000000008 R15: 000055dea1d9e330 [ 55.055122][ C1] [ 55.058787][ T287] lowmem_reserve[]: 0 3941 3941 [ 55.063952][ T287] Normal free:3345024kB min:84840kB low:106048kB high:127256kB reserved_highatomic:0KB active_anon:168kB inactive_anon:13544kB active_file:19092kB inactive_file:12528kB unevictable:0kB writepending:1320kB present:5242880kB managed:4036096kB mlocked:0kB bounce:0kB free_pcp:103940kB local_pcp:51136kB free_cma:0kB [ 55.064470][ T306] FAULT_INJECTION: forcing a failure. [ 55.064470][ T306] name failslab, interval 1, probability 1, space 0, times 939 [ 55.067526][ T60] FAULT_INJECTION: forcing a failure. [ 55.067526][ T60] name failslab, interval 1, probability 1, space 0, times 939 [ 55.093801][ C0] FAULT_INJECTION: forcing a failure. [ 55.093801][ C0] name failslab, interval 1, probability 1, space 0, times 939 [ 55.093829][ C0] CPU: 0 PID: 306 Comm: kworker/0:2 Tainted: G W syzkaller #0 [ 55.093850][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 55.093862][ C0] Workqueue: ipv6_addrconf addrconf_dad_work [ 55.093888][ C0] Call Trace: [ 55.093893][ C0] [ 55.093901][ C0] __dump_stack+0x21/0x30 [ 55.093921][ C0] dump_stack_lvl+0x110/0x170 [ 55.093940][ C0] ? show_regs_print_info+0x20/0x20 [ 55.093960][ C0] dump_stack+0x15/0x20 [ 55.093977][ C0] should_fail+0x3ab/0x500 [ 55.094004][ C0] ? ndisc_send_rs+0x310/0x960 [ 55.094026][ C0] __should_failslab+0xa4/0xe0 [ 55.094047][ C1] FAULT_INJECTION: forcing a failure. [ 55.094047][ C1] name failslab, interval 1, probability 1, space 0, times 939 [ 55.094048][ C0] should_failslab+0x9/0x20 [ 55.094070][ C0] slab_pre_alloc_hook+0x39/0xd0 [ 55.094089][ C0] ? ndisc_send_rs+0x310/0x960 [ 55.094106][ C0] ? ndisc_send_rs+0x310/0x960 [ 55.094122][ C0] __kmalloc_track_caller+0x6c/0x2c0 [ 55.094141][ C0] ? ndisc_send_rs+0x310/0x960 [ 55.094158][ C0] ? ndisc_send_rs+0x310/0x960 [ 55.094175][ C0] __alloc_skb+0x210/0x730 [ 55.094195][ C0] ndisc_send_rs+0x310/0x960 [ 55.094213][ C0] addrconf_rs_timer+0x35a/0x600 [ 55.094231][ C0] ? addrconf_disable_policy_idev+0x360/0x360 [ 55.094250][ C0] ? addrconf_disable_policy_idev+0x360/0x360 [ 55.094269][ C0] call_timer_fn+0x38/0x290 [ 55.094288][ C0] ? addrconf_disable_policy_idev+0x360/0x360 [ 55.094306][ C0] __run_timers+0x637/0x9a0 [ 55.094327][ C0] ? calc_index+0x200/0x200 [ 55.094346][ C0] ? sched_clock_cpu+0x18/0x3d0 [ 55.094364][ C0] run_timer_softirq+0x6a/0xf0 [ 55.094383][ C0] handle_softirqs+0x250/0x560 [ 55.094403][ C0] ? irqtime_account_irq+0xbe/0x390 [ 55.094420][ C0] __irq_exit_rcu+0x52/0xf0 [ 55.094438][ C0] irq_exit_rcu+0x9/0x10 [ 55.094454][ C0] sysvec_apic_timer_interrupt+0xa9/0xc0 [ 55.094472][ C0] [ 55.094478][ C0] [ 55.094484][ C0] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 55.094503][ C0] RIP: 0010:console_unlock+0xb32/0xf10 [ 55.094523][ C0] Code: 28 4c 89 f6 48 81 e6 00 02 00 00 31 ff e8 86 bf 17 00 49 81 e6 00 02 00 00 75 07 e8 38 bb 17 00 eb 06 e8 31 bb 17 00 fb 89 d8 <0a> 44 24 1f a8 01 74 0e e8 21 bb 17 00 85 db 74 19 e9 1b 03 00 00 [ 55.094539][ C0] RSP: 0018:ffffc900077d7220 EFLAGS: 00000293 [ 55.094554][ C0] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffff8881278fcf00 [ 55.094567][ C0] RDX: 0000000000000000 RSI: 0000000000000200 RDI: 0000000000000000 [ 55.094578][ C0] RBP: ffffc900077d7490 R08: 0000000000000003 R09: 0000000000000004 [ 55.094590][ C0] R10: dffffc0000000000 R11: fffff52000efae34 R12: 000000000000014e [ 55.094603][ C0] R13: fffff52000efae50 R14: 0000000000000200 R15: dffffc0000000000 [ 55.094620][ C0] ? vprintk_emit+0x320/0x320 [ 55.094637][ C0] ? _raw_spin_lock+0xf0/0xf0 [ 55.094659][ C0] ? __printk_safe_exit+0x9/0x20 [ 55.094675][ C0] ? console_trylock+0x155/0x1b0 [ 55.094692][ C0] ? stack_trace_save+0xa6/0xf0 [ 55.094709][ C0] ? __stack_depot_save+0x34/0x480 [ 55.094729][ C0] vprintk_emit+0x13f/0x320 [ 55.094745][ C0] ? vprintk_store+0x13e0/0x13e0 [ 55.094761][ C0] ? slab_post_alloc_hook+0x4f/0x2b0 [ 55.094779][ C0] ? kmem_cache_alloc+0xf7/0x260 [ 55.094796][ C0] ? dst_alloc+0x15c/0x1d0 [ 55.094813][ C0] ? icmp6_dst_alloc+0xec/0x520 [ 55.094832][ C0] ? ndisc_send_skb+0x2a9/0xcf0 [ 55.094849][ C0] ? addrconf_dad_completed+0x936/0xe20 [ 55.094866][ C0] ? addrconf_dad_work+0xc4c/0x1510 [ 55.094882][ C0] ? process_one_work+0x6c8/0xbb0 [ 55.094902][ C0] vprintk_default+0x26/0x30 [ 55.094918][ C0] vprintk+0x7a/0x80 [ 55.094934][ C0] _printk+0xda/0x130 [ 55.094952][ C0] ? load_image+0x3f0/0x3f0 [ 55.094970][ C0] ? prandom_u32+0x24d/0x290 [ 55.094987][ C0] should_fail+0x38d/0x500 [ 55.095010][ C0] __should_failslab+0xa4/0xe0 [ 55.095028][ C0] should_failslab+0x9/0x20 [ 55.095044][ C0] slab_pre_alloc_hook+0x39/0xd0 [ 55.095063][ C0] kmem_cache_alloc_trace+0x48/0x270 [ 55.095082][ C0] ? dst_cow_metrics_generic+0x55/0x1c0 [ 55.095100][ C0] dst_cow_metrics_generic+0x55/0x1c0 [ 55.095118][ C0] icmp6_dst_alloc+0x35f/0x520 [ 55.095137][ C0] ndisc_send_skb+0x2a9/0xcf0 [ 55.095156][ C0] ? ndisc_alloc_skb+0x290/0x290 [ 55.095177][ C0] ? ndisc_send_rs+0x61f/0x960 [ 55.095193][ C0] ? memcpy+0x56/0x70 [ 55.095210][ C0] ndisc_send_rs+0x711/0x960 [ 55.095228][ C0] addrconf_dad_completed+0x936/0xe20 [ 55.095246][ C0] ? addrconf_dad_stop+0x440/0x440 [ 55.095264][ C0] addrconf_dad_work+0xc4c/0x1510 [ 55.095282][ C0] ? ipv6_get_saddr_eval+0xf70/0xf70 [ 55.095298][ C0] ? __kasan_check_write+0x14/0x20 [ 55.095316][ C0] ? pwq_activate_inactive_work+0x2ea/0x3f0 [ 55.095338][ C0] process_one_work+0x6c8/0xbb0 [ 55.095359][ C0] worker_thread+0xaa0/0x1250 [ 55.095382][ C0] kthread+0x3f5/0x4f0 [ 55.095398][ C0] ? worker_clr_flags+0x190/0x190 [ 55.095417][ C0] ? kthread_blkcg+0xd0/0xd0 [ 55.095434][ C0] ret_from_fork+0x1f/0x30 [ 55.095453][ C0] [ 55.095460][ C1] CPU: 1 PID: 60 Comm: kworker/1:2 Tainted: G W syzkaller #0 [ 55.095481][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 55.095501][ C1] Workqueue: wg-kex-wg2 wg_packet_handshake_receive_worker [ 55.095526][ C1] Call Trace: [ 55.095531][ C1] [ 55.095538][ C1] __dump_stack+0x21/0x30 [ 55.095555][ C1] dump_stack_lvl+0x110/0x170 [ 55.095571][ C1] ? show_regs_print_info+0x20/0x20 [ 55.095589][ C1] ? prandom_u32+0x24d/0x290 [ 55.095607][ C1] dump_stack+0x15/0x20 [ 55.095622][ C1] should_fail+0x3ab/0x500 [ 55.095641][ C1] __should_failslab+0xa4/0xe0 [ 55.095663][ C1] should_failslab+0x9/0x20 [ 55.095681][ C1] slab_pre_alloc_hook+0x39/0xd0 [ 55.095703][ C1] ? dst_alloc+0x15c/0x1d0 [ 55.095721][ C1] kmem_cache_alloc+0x44/0x260 [ 55.095742][ C1] ? ipv6_sysctl_rtcache_flush+0x100/0x100 [ 55.095762][ C1] dst_alloc+0x15c/0x1d0 [ 55.095781][ C1] icmp6_dst_alloc+0xec/0x520 [ 55.095802][ C1] ? security_sk_classify_flow+0x7b/0x90 [ 55.095822][ C1] ? icmpv6_flow_init+0xd2/0x130 [ 55.095845][ C1] ndisc_send_skb+0x2a9/0xcf0 [ 55.095865][ C1] ? process_one_work+0x6c8/0xbb0 [ 55.095886][ C1] ? worker_thread+0xaa0/0x1250 [ 55.095908][ C1] ? kthread+0x3f5/0x4f0 [ 55.095926][ C1] ? ret_from_fork+0x1f/0x30 [ 55.095947][ C1] ? ndisc_alloc_skb+0x290/0x290 [ 55.095970][ C1] ? ndisc_send_rs+0x61f/0x960 [ 55.095990][ C1] ? memcpy+0x56/0x70 [ 55.096007][ C1] ndisc_send_rs+0x711/0x960 [ 55.096027][ C1] addrconf_rs_timer+0x35a/0x600 [ 55.096047][ C1] ? addrconf_disable_policy_idev+0x360/0x360 [ 55.096069][ C1] ? _raw_spin_lock_irq+0x95/0xf0 [ 55.096092][ C1] ? _raw_spin_lock_irqsave+0x130/0x130 [ 55.096115][ C1] ? addrconf_disable_policy_idev+0x360/0x360 [ 55.096132][ C1] call_timer_fn+0x38/0x290 [ 55.096148][ C1] ? addrconf_disable_policy_idev+0x360/0x360 [ 55.096166][ C1] __run_timers+0x637/0x9a0 [ 55.096182][ C1] ? sched_clock_cpu+0x18/0x3d0 [ 55.096199][ C1] ? calc_index+0x200/0x200 [ 55.096216][ C1] ? asm_common_interrupt+0x27/0x40 [ 55.096233][ C1] run_timer_softirq+0x6a/0xf0 [ 55.096250][ C1] handle_softirqs+0x250/0x560 [ 55.096267][ C1] ? irqtime_account_irq+0xbe/0x390 [ 55.096284][ C1] __irq_exit_rcu+0x52/0xf0 [ 55.096300][ C1] irq_exit_rcu+0x9/0x10 [ 55.096315][ C1] sysvec_apic_timer_interrupt+0xa9/0xc0 [ 55.096332][ C1] [ 55.096337][ C1] [ 55.096342][ C1] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 55.096358][ C1] RIP: 0010:vprintk_emit+0x2c3/0x320 [ 55.096375][ C1] Code: 81 e6 00 02 00 00 31 ff e8 1a cb 17 00 48 81 e3 00 02 00 00 75 07 e8 cc c6 17 00 eb 06 e8 c5 c6 17 00 fb c6 05 dd d0 bc 05 00 72 fe ff ff e8 b3 c6 17 00 45 31 ff e9 a0 fe ff ff 41 ff cc bf [ 55.096389][ C1] RSP: 0018:ffffc90000907780 EFLAGS: 00000293 [ 55.096403][ C1] RAX: ffffffff8151f01b RBX: 0000000000000200 RCX: ffff88810bf462c0 [ 55.096415][ C1] RDX: 0000000000000000 RSI: 0000000000000200 RDI: 0000000000000000 [ 55.096425][ C1] RBP: ffffc90000907828 R08: 0000000000000003 R09: 0000000000000004 [ 55.096436][ C1] R10: dffffc0000000000 R11: fffff52000120ee0 R12: 1ffff92000120ef4 [ 55.096449][ C1] R13: dffffc0000000000 R14: 00000000ffffffff R15: 0000000000000060 [ 55.096462][ C1] ? vprintk_emit+0x2bb/0x320 [ 55.096478][ C1] ? vprintk_store+0x13e0/0x13e0 [ 55.096499][ C1] ? slab_post_alloc_hook+0x4f/0x2b0 [ 55.096516][ C1] ? __alloc_skb+0xe4/0x730 [ 55.096539][ C1] ? wg_socket_send_buffer_to_peer+0x37/0x170 [ 55.096562][ C1] ? wg_packet_send_handshake_response+0x1af/0x230 [ 55.096580][ C1] ? process_one_work+0x6c8/0xbb0 [ 55.096604][ C1] ? worker_thread+0xaa0/0x1250 [ 55.096641][ C1] ? kthread+0x3f5/0x4f0 [ 55.096662][ C1] vprintk_default+0x26/0x30 [ 55.096682][ C1] vprintk+0x7a/0x80 [ 55.096702][ C1] _printk+0xda/0x130 [ 55.096725][ C1] ? load_image+0x3f0/0x3f0 [ 55.096753][ C1] ? prandom_u32+0x24d/0x290 [ 55.096769][ C1] should_fail+0x38d/0x500 [ 55.096784][ C1] ? wg_socket_send_buffer_to_peer+0x37/0x170 [ 55.096802][ C1] __should_failslab+0xa4/0xe0 [ 55.096819][ C1] should_failslab+0x9/0x20 [ 55.096845][ C1] slab_pre_alloc_hook+0x39/0xd0 [ 55.096870][ C1] ? wg_socket_send_buffer_to_peer+0x37/0x170 [ 55.096892][ C1] ? wg_socket_send_buffer_to_peer+0x37/0x170 [ 55.096910][ C1] __kmalloc_track_caller+0x6c/0x2c0 [ 55.096932][ C1] ? wg_socket_send_buffer_to_peer+0x37/0x170 [ 55.096955][ C1] ? wg_socket_send_buffer_to_peer+0x37/0x170 [ 55.096980][ C1] __alloc_skb+0x210/0x730 [ 55.097163][ C1] wg_socket_send_buffer_to_peer+0x37/0x170 [ 55.097212][ C1] ? ktime_get_coarse_with_offset+0x153/0x1a0 [ 55.097236][ C1] wg_packet_send_handshake_response+0x1af/0x230 [ 55.097256][ C1] ? wg_packet_send_queued_handshake_initiation+0x210/0x210 [ 55.097276][ C1] ? wg_socket_set_peer_endpoint+0x314/0x970 [ 55.097297][ C1] wg_packet_handshake_receive_worker+0x512/0x910 [ 55.097319][ C1] process_one_work+0x6c8/0xbb0 [ 55.097354][ C1] worker_thread+0xaa0/0x1250 [ 55.097376][ C1] kthread+0x3f5/0x4f0 [ 55.097392][ C1] ? worker_clr_flags+0x190/0x190 [ 55.097409][ C1] ? kthread_blkcg+0xd0/0xd0 [ 55.097426][ C1] ret_from_fork+0x1f/0x30 [ 55.097443][ C1] [ 55.125116][ T60] CPU: 1 PID: 60 Comm: kworker/1:2 Tainted: G W syzkaller #0 [ 56.160151][ T60] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 56.171117][ T60] Workqueue: wg-kex-wg2 wg_packet_handshake_receive_worker [ 56.178350][ T60] Call Trace: [ 56.181648][ T60] [ 56.184588][ T60] __dump_stack+0x21/0x30 [ 56.188936][ T60] dump_stack_lvl+0x110/0x170 [ 56.193637][ T60] ? show_regs_print_info+0x20/0x20 [ 56.198982][ T60] dump_stack+0x15/0x20 [ 56.203331][ T60] should_fail+0x3ab/0x500 [ 56.207769][ T60] ? wg_socket_send_buffer_to_peer+0x37/0x170 [ 56.213879][ T60] __should_failslab+0xa4/0xe0 [ 56.218675][ T60] should_failslab+0x9/0x20 [ 56.223283][ T60] slab_pre_alloc_hook+0x39/0xd0 [ 56.228757][ T60] ? wg_socket_send_buffer_to_peer+0x37/0x170 [ 56.235030][ T60] ? wg_socket_send_buffer_to_peer+0x37/0x170 [ 56.241110][ T60] __kmalloc_track_caller+0x6c/0x2c0 [ 56.246414][ T60] ? wg_socket_send_buffer_to_peer+0x37/0x170 [ 56.252584][ T60] ? wg_socket_send_buffer_to_peer+0x37/0x170 [ 56.258874][ T60] __alloc_skb+0x210/0x730 [ 56.263414][ T60] wg_socket_send_buffer_to_peer+0x37/0x170 [ 56.269408][ T60] ? ktime_get_coarse_with_offset+0x153/0x1a0 [ 56.275670][ T60] wg_packet_send_handshake_response+0x1af/0x230 [ 56.282016][ T60] ? wg_packet_send_queued_handshake_initiation+0x210/0x210 [ 56.289410][ T60] ? wg_socket_set_peer_endpoint+0x314/0x970 [ 56.295608][ T60] wg_packet_handshake_receive_worker+0x512/0x910 [ 56.303175][ T60] process_one_work+0x6c8/0xbb0 [ 56.308043][ T60] worker_thread+0xaa0/0x1250 [ 56.312739][ T60] kthread+0x3f5/0x4f0 [ 56.316818][ T60] ? worker_clr_flags+0x190/0x190 [ 56.321866][ T60] ? kthread_blkcg+0xd0/0xd0 [ 56.326495][ T60] ret_from_fork+0x1f/0x30 [ 56.330924][ T60] [ 56.334096][ T357] udevd[357]: Failed to create symlink /run/udev/watch/54: Cannot allocate memory [ 56.334509][ C1] FAULT_INJECTION: forcing a failure. [ 56.334509][ C1] name failslab, interval 1, probability 1, space 0, times 937 [ 56.356117][ C1] CPU: 1 PID: 60 Comm: kworker/1:2 Tainted: G W syzkaller #0 [ 56.356403][ T357] FAULT_INJECTION: forcing a failure. [ 56.356403][ T357] name failslab, interval 1, probability 1, space 0, times 937 [ 56.364810][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 56.364827][ C1] Workqueue: wg-kex-wg2 wg_packet_handshake_receive_worker [ 56.364858][ C1] Call Trace: [ 56.364865][ C1] [ 56.364871][ C1] __dump_stack+0x21/0x30 [ 56.364891][ C1] dump_stack_lvl+0x110/0x170 [ 56.364907][ C1] ? show_regs_print_info+0x20/0x20 [ 56.364926][ C1] ? prandom_u32+0x24d/0x290 [ 56.364946][ C1] dump_stack+0x15/0x20 [ 56.364963][ C1] should_fail+0x3ab/0x500 [ 56.364984][ C1] __should_failslab+0xa4/0xe0 [ 56.365007][ C1] should_failslab+0x9/0x20 [ 56.365027][ C1] slab_pre_alloc_hook+0x39/0xd0 [ 56.365049][ C1] ? dst_alloc+0x15c/0x1d0 [ 56.365070][ C1] kmem_cache_alloc+0x44/0x260 [ 56.454139][ C1] ? ipv6_sysctl_rtcache_flush+0x100/0x100 [ 56.459971][ C1] dst_alloc+0x15c/0x1d0 [ 56.464227][ C1] icmp6_dst_alloc+0xec/0x520 [ 56.468915][ C1] ? security_sk_classify_flow+0x7b/0x90 [ 56.474561][ C1] ? icmpv6_flow_init+0xd2/0x130 [ 56.479517][ C1] ndisc_send_skb+0x2a9/0xcf0 [ 56.484204][ C1] ? wg_socket_send_buffer_to_peer+0x37/0x170 [ 56.490281][ C1] ? wg_packet_send_handshake_response+0x1af/0x230 [ 56.496801][ C1] ? wg_packet_handshake_receive_worker+0x512/0x910 [ 56.503426][ C1] ? process_one_work+0x6c8/0xbb0 [ 56.508561][ C1] ? worker_thread+0xaa0/0x1250 [ 56.513427][ C1] ? ndisc_alloc_skb+0x290/0x290 [ 56.518385][ C1] ? ndisc_send_rs+0x61f/0x960 [ 56.523211][ C1] ? memcpy+0x56/0x70 [ 56.527235][ C1] ndisc_send_rs+0x711/0x960 [ 56.531839][ C1] addrconf_rs_timer+0x35a/0x600 [ 56.536789][ C1] ? addrconf_disable_policy_idev+0x360/0x360 [ 56.542872][ C1] ? _raw_spin_trylock_bh+0x150/0x150 [ 56.548348][ C1] ? addrconf_disable_policy_idev+0x360/0x360 [ 56.554425][ C1] call_timer_fn+0x38/0x290 [ 56.558945][ C1] ? addrconf_disable_policy_idev+0x360/0x360 [ 56.565029][ C1] __run_timers+0x637/0x9a0 [ 56.569548][ C1] ? sched_clock_cpu+0x18/0x3d0 [ 56.574423][ C1] ? calc_index+0x200/0x200 [ 56.578941][ C1] ? asm_common_interrupt+0x27/0x40 [ 56.584181][ C1] run_timer_softirq+0x6a/0xf0 [ 56.588960][ C1] handle_softirqs+0x250/0x560 [ 56.593743][ C1] ? irqtime_account_irq+0xbe/0x390 [ 56.598953][ C1] __irq_exit_rcu+0x52/0xf0 [ 56.603469][ C1] irq_exit_rcu+0x9/0x10 [ 56.607727][ C1] sysvec_apic_timer_interrupt+0xa9/0xc0 [ 56.613374][ C1] [ 56.616337][ C1] [ 56.619283][ C1] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 56.625279][ C1] RIP: 0010:preempt_schedule_irq+0xa5/0x120 [ 56.631188][ C1] Code: 44 24 20 00 02 00 00 43 c6 44 37 04 f8 74 0b 0f 0b 48 f7 03 08 00 00 00 74 4d bf 01 00 00 00 e8 11 4d 95 fc fb bf 01 00 00 00 76 e4 ff ff fa bf 01 00 00 00 e8 ab 4e 95 fc 65 48 8b 1d 13 f7 [ 56.650979][ C1] RSP: 0018:ffffc90000907740 EFLAGS: 00000246 [ 56.657058][ C1] RAX: 1ffff110217e8dae RBX: ffffc90000907818 RCX: ffffffff870cbf00 [ 56.665041][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 56.673018][ C1] RBP: ffffc900009077c8 R08: ffff88810bf462c7 R09: 1ffff110217e8c58 [ 56.681002][ C1] R10: dffffc0000000000 R11: ffffed10217e8c59 R12: 0000000000000000 [ 56.689070][ C1] R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff92000120ee8 [ 56.697060][ C1] ? __cond_resched+0xd0/0xd0 [ 56.701751][ C1] irqentry_exit_cond_resched+0x29/0x30 [ 56.707876][ C1] irqentry_exit+0x37/0x40 [ 56.712315][ C1] sysvec_reschedule_ipi+0x78/0x80 [ 56.717449][ C1] asm_sysvec_reschedule_ipi+0x1b/0x20 [ 56.722931][ C1] RIP: 0010:dump_stack_lvl+0x144/0x170 [ 56.728426][ C1] Code: e6 00 02 00 00 31 ff e8 3a 97 be fc 49 81 e5 00 02 00 00 75 07 e8 ec 92 be fc eb 06 e8 e5 92 be fc fb 48 c7 04 24 0e 36 e0 45 <4b> c7 04 27 00 00 00 00 65 48 8b 04 25 28 00 00 00 48 3b 44 24 40 [ 56.748042][ C1] RSP: 0018:ffffc900009078c0 EFLAGS: 00000293 [ 56.754147][ C1] RAX: ffffffff84ab23fb RBX: ffffffff8564bda0 RCX: ffff88810bf462c0 [ 56.762134][ C1] RDX: 0000000000000000 RSI: 0000000000000200 RDI: 0000000000000000 [ 56.770118][ C1] RBP: ffffc90000907958 R08: 0000000000000003 R09: 0000000000000004 [ 56.778098][ C1] R10: dffffc0000000000 R11: fffffbfff0ce23f0 R12: dffffc0000000000 [ 56.786085][ C1] R13: 0000000000000200 R14: 0000000000000001 R15: 1ffff92000120f18 [ 56.794068][ C1] ? dump_stack_lvl+0x13b/0x170 [ 56.798935][ C1] ? show_regs_print_info+0x20/0x20 [ 56.804340][ C1] dump_stack+0x15/0x20 [ 56.808514][ C1] should_fail+0x3ab/0x500 [ 56.812947][ C1] ? wg_socket_send_buffer_to_peer+0x37/0x170 [ 56.819127][ C1] __should_failslab+0xa4/0xe0 [ 56.823901][ C1] should_failslab+0x9/0x20 [ 56.828414][ C1] slab_pre_alloc_hook+0x39/0xd0 [ 56.833370][ C1] ? wg_socket_send_buffer_to_peer+0x37/0x170 [ 56.839791][ C1] ? wg_socket_send_buffer_to_peer+0x37/0x170 [ 56.845890][ C1] __kmalloc_track_caller+0x6c/0x2c0 [ 56.851199][ C1] ? wg_socket_send_buffer_to_peer+0x37/0x170 [ 56.857280][ C1] ? wg_socket_send_buffer_to_peer+0x37/0x170 [ 56.863849][ C1] __alloc_skb+0x210/0x730 [ 56.868324][ C1] wg_socket_send_buffer_to_peer+0x37/0x170 [ 56.874241][ C1] ? ktime_get_coarse_with_offset+0x153/0x1a0 [ 56.880356][ C1] wg_packet_send_handshake_response+0x1af/0x230 [ 56.886703][ C1] ? wg_packet_send_queued_handshake_initiation+0x210/0x210 [ 56.894003][ C1] ? wg_socket_set_peer_endpoint+0x314/0x970 [ 56.900026][ C1] wg_packet_handshake_receive_worker+0x512/0x910 [ 56.906461][ C1] process_one_work+0x6c8/0xbb0 [ 56.911330][ C1] worker_thread+0xaa0/0x1250 [ 56.916024][ C1] kthread+0x3f5/0x4f0 [ 56.920108][ C1] ? worker_clr_flags+0x190/0x190 [ 56.925143][ C1] ? kthread_blkcg+0xd0/0xd0 [ 56.929747][ C1] ret_from_fork+0x1f/0x30 [ 56.934174][ C1] [ 56.937229][ T287] lowmem_reserve[]: 0 0 0 [ 56.939014][ C1] FAULT_INJECTION: forcing a failure. [ 56.939014][ C1] name failslab, interval 1, probability 1, space 0, times 936 [ 56.941600][ T287] DMA32: [ 56.954382][ C1] CPU: 1 PID: 60 Comm: kworker/1:2 Tainted: G W syzkaller #0 [ 56.966029][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 56.976111][ C1] Workqueue: wg-kex-wg2 wg_packet_handshake_receive_worker [ 56.983343][ C1] Call Trace: [ 56.983410][ T287] 3*4kB (M) [ 56.986639][ C1] [ 56.986651][ C1] __dump_stack+0x21/0x30 [ 56.989853][ T287] 1*8kB [ 56.992732][ C1] dump_stack_lvl+0x110/0x170 [ 57.004606][ C1] ? show_regs_print_info+0x20/0x20 [ 57.009823][ C1] ? prandom_u32+0x24d/0x290 [ 57.014433][ C1] dump_stack+0x15/0x20 [ 57.018601][ C1] should_fail+0x3ab/0x500 [ 57.023033][ C1] ? wg_packet_send_keepalive+0x62/0x1c0 [ 57.023400][ T287] (M) 2*16kB (M) [ 57.028707][ C1] __should_failslab+0xa4/0xe0 [ 57.032361][ T287] 3*32kB [ 57.037120][ C1] should_failslab+0x9/0x20 [ 57.037142][ C1] slab_pre_alloc_hook+0x39/0xd0 [ 57.049603][ C1] ? wg_packet_send_keepalive+0x62/0x1c0 [ 57.055286][ C1] ? wg_packet_send_keepalive+0x62/0x1c0 [ 57.061027][ C1] __kmalloc_track_caller+0x6c/0x2c0 [ 57.066325][ C1] ? wg_packet_send_keepalive+0x62/0x1c0 [ 57.071975][ C1] ? wg_packet_send_keepalive+0x62/0x1c0 [ 57.077621][ C1] __alloc_skb+0x210/0x730 [ 57.082231][ C1] wg_packet_send_keepalive+0x62/0x1c0 [ 57.083404][ T287] (M) 3*64kB [ 57.087711][ C1] ? wg_expired_send_persistent_keepalive+0x44/0x80 [ 57.087725][ T287] (M) [ 57.087741][ C1] wg_expired_send_persistent_keepalive+0x53/0x80 [ 57.091029][ T287] 3*128kB [ 57.097614][ C1] ? wg_expired_zero_key_material+0x170/0x170 [ 57.097639][ C1] call_timer_fn+0x38/0x290 [ 57.120308][ C1] ? wg_expired_zero_key_material+0x170/0x170 [ 57.123366][ T287] (M) 3*256kB [ 57.126528][ C1] __run_timers+0x637/0x9a0 [ 57.126540][ T287] (M) [ 57.126556][ C1] ? sched_clock_cpu+0x18/0x3d0 [ 57.130046][ T287] 3*512kB [ 57.134705][ C1] ? calc_index+0x200/0x200 [ 57.134731][ C1] ? asm_common_interrupt+0x27/0x40 [ 57.155014][ C1] run_timer_softirq+0x6a/0xf0 [ 57.159813][ C1] handle_softirqs+0x250/0x560 [ 57.164596][ C1] ? irqtime_account_irq+0xbe/0x390 [ 57.169818][ C1] __irq_exit_rcu+0x52/0xf0 [ 57.173399][ T287] (M) 4*1024kB (UM) [ 57.174368][ C1] irq_exit_rcu+0x9/0x10 [ 57.174388][ T287] 3*2048kB [ 57.174404][ C1] sysvec_apic_timer_interrupt+0xa9/0xc0 [ 57.179196][ T287] (UM) 724*4096kB [ 57.183639][ C1] [ 57.183648][ C1] [ 57.183654][ C1] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 57.183679][ C1] RIP: 0010:preempt_schedule_irq+0xa5/0x120 [ 57.213372][ T287] (M) = 2978772kB [ 57.213985][ C1] Code: 44 24 20 00 02 00 00 43 c6 44 37 04 f8 74 0b 0f 0b 48 f7 03 08 00 00 00 74 4d bf 01 00 00 00 e8 11 4d 95 fc fb bf 01 00 00 00 76 e4 ff ff fa bf 01 00 00 00 e8 ab 4e 95 fc 65 48 8b 1d 13 f7 [ 57.217633][ T287] Normal: 196*4kB [ 57.237245][ C1] RSP: 0018:ffffc90000907740 EFLAGS: 00000246 [ 57.237265][ C1] RAX: 1ffff110217e8dae RBX: ffffc90000907818 RCX: ffffffff870cbf00 [ 57.237281][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 57.237294][ C1] RBP: ffffc900009077c8 R08: ffff88810bf462c7 R09: 1ffff110217e8c58 [ 57.271343][ C1] R10: dffffc0000000000 R11: ffffed10217e8c59 R12: 0000000000000000 [ 57.279352][ C1] R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff92000120ee8 [ 57.287348][ C1] ? __cond_resched+0xd0/0xd0 [ 57.292051][ C1] irqentry_exit_cond_resched+0x29/0x30 [ 57.293424][ T287] (UME) 109*8kB [ 57.297611][ C1] irqentry_exit+0x37/0x40 [ 57.297623][ T287] (UME) [ 57.297638][ C1] sysvec_reschedule_ipi+0x78/0x80 [ 57.301182][ T287] 69*16kB [ 57.305594][ C1] asm_sysvec_reschedule_ipi+0x1b/0x20 [ 57.305617][ C1] RIP: 0010:dump_stack_lvl+0x144/0x170 [ 57.327526][ C1] Code: e6 00 02 00 00 31 ff e8 3a 97 be fc 49 81 e5 00 02 00 00 75 07 e8 ec 92 be fc eb 06 e8 e5 92 be fc fb 48 c7 04 24 0e 36 e0 45 <4b> c7 04 27 00 00 00 00 65 48 8b 04 25 28 00 00 00 48 3b 44 24 40 [ 57.333392][ T287] (UME) [ 57.347191][ C1] RSP: 0018:ffffc900009078c0 EFLAGS: 00000293 [ 57.347267][ C1] RAX: ffffffff84ab23fb RBX: ffffffff8564bda0 RCX: ffff88810bf462c0 [ 57.347292][ C1] RDX: 0000000000000000 RSI: 0000000000000200 RDI: 0000000000000000 [ 57.347307][ C1] RBP: ffffc90000907958 R08: 0000000000000003 R09: 0000000000000004 [ 57.347322][ C1] R10: dffffc0000000000 R11: fffffbfff0ce23f0 R12: dffffc0000000000 [ 57.347338][ C1] R13: 0000000000000200 R14: 0000000000000001 R15: 1ffff92000120f18 [ 57.347372][ C1] ? dump_stack_lvl+0x13b/0x170 [ 57.347401][ C1] ? show_regs_print_info+0x20/0x20 [ 57.376064][ T308] FAULT_INJECTION: forcing a failure. [ 57.376064][ T308] name failslab, interval 1, probability 1, space 0, times 935 [ 57.381863][ C1] dump_stack+0x15/0x20 [ 57.413444][ T287] 115*32kB [ 57.423878][ C1] should_fail+0x3ab/0x500 [ 57.428887][ T90] FAULT_INJECTION: forcing a failure. [ 57.428887][ T90] name failslab, interval 1, probability 1, space 0, times 934 [ 57.431623][ C1] ? wg_socket_send_buffer_to_peer+0x37/0x170 [ 57.454982][ C1] __should_failslab+0xa4/0xe0 [ 57.459778][ C1] should_failslab+0x9/0x20 [ 57.464499][ C1] slab_pre_alloc_hook+0x39/0xd0 [ 57.469804][ C1] ? wg_socket_send_buffer_to_peer+0x37/0x170 [ 57.476196][ C1] ? wg_socket_send_buffer_to_peer+0x37/0x170 [ 57.482281][ C1] __kmalloc_track_caller+0x6c/0x2c0 [ 57.483393][ T287] (UME) 54*64kB [ 57.487585][ C1] ? wg_socket_send_buffer_to_peer+0x37/0x170 [ 57.487599][ T287] (UME) 40*128kB [ 57.497769][ C1] ? wg_socket_send_buffer_to_peer+0x37/0x170 [ 57.497807][ C1] __alloc_skb+0x210/0x730 [ 57.512437][ C1] wg_socket_send_buffer_to_peer+0x37/0x170 [ 57.518559][ C1] ? ktime_get_coarse_with_offset+0x153/0x1a0 [ 57.525038][ C1] wg_packet_send_handshake_response+0x1af/0x230 [ 57.532255][ C1] ? wg_packet_send_queued_handshake_initiation+0x210/0x210 [ 57.539993][ C1] ? wg_socket_set_peer_endpoint+0x314/0x970 [ 57.546092][ C1] wg_packet_handshake_receive_worker+0x512/0x910 [ 57.553607][ C1] process_one_work+0x6c8/0xbb0 [ 57.559476][ C1] worker_thread+0xaa0/0x1250 [ 57.564268][ C1] kthread+0x3f5/0x4f0 [ 57.568528][ C1] ? worker_clr_flags+0x190/0x190 [ 57.573392][ T287] (UME) 7*256kB [ 57.573861][ C1] ? kthread_blkcg+0xd0/0xd0 [ 57.573874][ T287] (UE) [ 57.573889][ C1] ret_from_fork+0x1f/0x30 [ 57.577486][ T287] 3*512kB [ 57.582867][ C1] [ 57.596184][ T306] CPU: 0 PID: 306 Comm: kworker/0:2 Tainted: G W syzkaller #0 [ 57.598345][ C1] FAULT_INJECTION: forcing a failure. [ 57.598345][ C1] name failslab, interval 1, probability 1, space 0, times 933 [ 57.604999][ T306] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 57.605028][ T306] Workqueue: ipv6_addrconf addrconf_dad_work [ 57.635435][ T306] Call Trace: [ 57.638728][ T306] [ 57.641761][ T306] __dump_stack+0x21/0x30 [ 57.646757][ T306] dump_stack_lvl+0x110/0x170 [ 57.651983][ T306] ? show_regs_print_info+0x20/0x20 [ 57.658152][ T306] ? prandom_u32+0x24d/0x290 [ 57.662769][ T306] dump_stack+0x15/0x20 [ 57.667030][ T306] should_fail+0x3ab/0x500 [ 57.671491][ T306] __should_failslab+0xa4/0xe0 [ 57.676468][ T306] should_failslab+0x9/0x20 [ 57.681079][ T306] slab_pre_alloc_hook+0x39/0xd0 [ 57.686037][ T306] kmem_cache_alloc_trace+0x48/0x270 [ 57.691337][ T306] ? dst_cow_metrics_generic+0x55/0x1c0 [ 57.697183][ T306] dst_cow_metrics_generic+0x55/0x1c0 [ 57.702574][ T306] icmp6_dst_alloc+0x35f/0x520 [ 57.707543][ T306] ndisc_send_skb+0x2a9/0xcf0 [ 57.712425][ T306] ? ndisc_alloc_skb+0x290/0x290 [ 57.717556][ T306] ? ndisc_send_rs+0x61f/0x960 [ 57.722333][ T306] ? memcpy+0x56/0x70 [ 57.726677][ T306] ndisc_send_rs+0x711/0x960 [ 57.731370][ T306] addrconf_dad_completed+0x936/0xe20 [ 57.737207][ T306] ? addrconf_dad_stop+0x440/0x440 [ 57.742447][ T306] addrconf_dad_work+0xc4c/0x1510 [ 57.747679][ T306] ? ipv6_get_saddr_eval+0xf70/0xf70 [ 57.753432][ T306] ? __kasan_check_write+0x14/0x20 [ 57.758585][ T306] ? pwq_activate_inactive_work+0x2ea/0x3f0 [ 57.764501][ T306] process_one_work+0x6c8/0xbb0 [ 57.769366][ T306] worker_thread+0xaa0/0x1250 [ 57.774085][ T306] kthread+0x3f5/0x4f0 [ 57.778168][ T306] ? worker_clr_flags+0x190/0x190 [ 57.783659][ T306] ? kthread_blkcg+0xd0/0xd0 [ 57.788289][ T306] ret_from_fork+0x1f/0x30 [ 57.792725][ T306] [ 57.795941][ C1] CPU: 1 PID: 60 Comm: kworker/1:2 Tainted: G W syzkaller #0 [ 57.804651][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 57.814815][ C1] Workqueue: wg-kex-wg2 wg_packet_handshake_receive_worker [ 57.822042][ C1] Call Trace: [ 57.825423][ C1] [ 57.828282][ C1] __dump_stack+0x21/0x30 [ 57.832902][ C1] dump_stack_lvl+0x110/0x170 [ 57.833395][ T287] (UME) 2*1024kB [ 57.837764][ C1] ? show_regs_print_info+0x20/0x20 [ 57.837778][ T287] (U) [ 57.837792][ C1] ? prandom_u32+0x24d/0x290 [ 57.841435][ T287] 2*2048kB [ 57.846900][ C1] dump_stack+0x15/0x20 [ 57.846920][ C1] should_fail+0x3ab/0x500 [ 57.866699][ C1] __should_failslab+0xa4/0xe0 [ 57.871631][ C1] should_failslab+0x9/0x20 [ 57.876552][ C1] slab_pre_alloc_hook+0x39/0xd0 [ 57.881608][ C1] kmem_cache_alloc_trace+0x48/0x270 [ 57.887033][ C1] ? dst_cow_metrics_generic+0x55/0x1c0 [ 57.892778][ C1] dst_cow_metrics_generic+0x55/0x1c0 [ 57.893407][ T287] (ME) 812*4096kB [ 57.898429][ C1] icmp6_dst_alloc+0x35f/0x520 [ 57.898443][ T287] (M) [ 57.898461][ C1] ndisc_send_skb+0x2a9/0xcf0 [ 57.902185][ T287] = 3350440kB [ 57.902196][ T287] 8133 total pagecache pages [ 57.907043][ C1] ? wg_socket_send_buffer_to_peer+0x37/0x170 [ 57.907070][ C1] ? wg_packet_send_handshake_response+0x1af/0x230 [ 57.935136][ C1] ? wg_packet_handshake_receive_worker+0x512/0x910 [ 57.942185][ C1] ? process_one_work+0x6c8/0xbb0 [ 57.947227][ C1] ? worker_thread+0xaa0/0x1250 [ 57.952372][ C1] ? ndisc_alloc_skb+0x290/0x290 [ 57.957425][ C1] ? ndisc_send_rs+0x61f/0x960 [ 57.962205][ C1] ? memcpy+0x56/0x70 [ 57.966231][ C1] ndisc_send_rs+0x711/0x960 [ 57.970927][ C1] addrconf_rs_timer+0x35a/0x600 [ 57.975878][ C1] ? addrconf_disable_policy_idev+0x360/0x360 [ 57.982262][ C1] ? _raw_spin_lock_irq+0x95/0xf0 [ 57.987329][ C1] ? _raw_spin_lock_irqsave+0x130/0x130 [ 57.992897][ C1] ? addrconf_disable_policy_idev+0x360/0x360 [ 57.999008][ C1] call_timer_fn+0x38/0x290 [ 58.003536][ C1] ? addrconf_disable_policy_idev+0x360/0x360 [ 58.009824][ C1] __run_timers+0x637/0x9a0 [ 58.014524][ C1] ? sched_clock_cpu+0x18/0x3d0 [ 58.019855][ C1] ? calc_index+0x200/0x200 [ 58.024738][ C1] ? asm_common_interrupt+0x27/0x40 [ 58.030227][ C1] run_timer_softirq+0x6a/0xf0 [ 58.035184][ C1] handle_softirqs+0x250/0x560 [ 58.040241][ C1] ? irqtime_account_irq+0xbe/0x390 [ 58.045983][ C1] __irq_exit_rcu+0x52/0xf0 [ 58.050500][ C1] irq_exit_rcu+0x9/0x10 [ 58.054937][ C1] sysvec_apic_timer_interrupt+0xa9/0xc0 [ 58.060942][ C1] [ 58.064072][ C1] [ 58.067194][ C1] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 58.073365][ C1] RIP: 0010:preempt_schedule_irq+0xa5/0x120 [ 58.079295][ C1] Code: 44 24 20 00 02 00 00 43 c6 44 37 04 f8 74 0b 0f 0b 48 f7 03 08 00 00 00 74 4d bf 01 00 00 00 e8 11 4d 95 fc fb bf 01 00 00 00 76 e4 ff ff fa bf 01 00 00 00 e8 ab 4e 95 fc 65 48 8b 1d 13 f7 [ 58.099532][ C1] RSP: 0018:ffffc90000907740 EFLAGS: 00000246 [ 58.105615][ C1] RAX: 1ffff110217e8dae RBX: ffffc90000907818 RCX: ffffffff870cbf00 [ 58.114500][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 58.122499][ C1] RBP: ffffc900009077c8 R08: ffff88810bf462c7 R09: 1ffff110217e8c58 [ 58.130498][ C1] R10: dffffc0000000000 R11: ffffed10217e8c59 R12: 0000000000000000 [ 58.138649][ C1] R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff92000120ee8 [ 58.146644][ C1] ? __cond_resched+0xd0/0xd0 [ 58.151529][ C1] irqentry_exit_cond_resched+0x29/0x30 [ 58.157185][ C1] irqentry_exit+0x37/0x40 [ 58.161638][ C1] sysvec_reschedule_ipi+0x78/0x80 [ 58.166850][ C1] asm_sysvec_reschedule_ipi+0x1b/0x20 [ 58.172319][ C1] RIP: 0010:dump_stack_lvl+0x144/0x170 [ 58.177789][ C1] Code: e6 00 02 00 00 31 ff e8 3a 97 be fc 49 81 e5 00 02 00 00 75 07 e8 ec 92 be fc eb 06 e8 e5 92 be fc fb 48 c7 04 24 0e 36 e0 45 <4b> c7 04 27 00 00 00 00 65 48 8b 04 25 28 00 00 00 48 3b 44 24 40 [ 58.197601][ C1] RSP: 0018:ffffc900009078c0 EFLAGS: 00000293 [ 58.203693][ C1] RAX: ffffffff84ab23fb RBX: ffffffff8564bda0 RCX: ffff88810bf462c0 [ 58.211681][ C1] RDX: 0000000000000000 RSI: 0000000000000200 RDI: 0000000000000000 [ 58.219668][ C1] RBP: ffffc90000907958 R08: 0000000000000003 R09: 0000000000000004 [ 58.227653][ C1] R10: dffffc0000000000 R11: fffffbfff0ce23f0 R12: dffffc0000000000 [ 58.235634][ C1] R13: 0000000000000200 R14: 0000000000000001 R15: 1ffff92000120f18 [ 58.243618][ C1] ? dump_stack_lvl+0x13b/0x170 [ 58.248490][ C1] ? show_regs_print_info+0x20/0x20 [ 58.253700][ C1] dump_stack+0x15/0x20 [ 58.257868][ C1] should_fail+0x3ab/0x500 [ 58.262296][ C1] ? wg_socket_send_buffer_to_peer+0x37/0x170 [ 58.268380][ C1] __should_failslab+0xa4/0xe0 [ 58.273251][ C1] should_failslab+0x9/0x20 [ 58.277980][ C1] slab_pre_alloc_hook+0x39/0xd0 [ 58.282954][ C1] ? wg_socket_send_buffer_to_peer+0x37/0x170 [ 58.289042][ C1] ? wg_socket_send_buffer_to_peer+0x37/0x170 [ 58.295136][ C1] __kmalloc_track_caller+0x6c/0x2c0 [ 58.300439][ C1] ? wg_socket_send_buffer_to_peer+0x37/0x170 [ 58.306521][ C1] ? wg_socket_send_buffer_to_peer+0x37/0x170 [ 58.312598][ C1] __alloc_skb+0x210/0x730 [ 58.317029][ C1] wg_socket_send_buffer_to_peer+0x37/0x170 [ 58.323154][ C1] ? ktime_get_coarse_with_offset+0x153/0x1a0 [ 58.329604][ C1] wg_packet_send_handshake_response+0x1af/0x230 [ 58.336474][ C1] ? wg_packet_send_queued_handshake_initiation+0x210/0x210 [ 58.344044][ C1] ? wg_socket_set_peer_endpoint+0x314/0x970 [ 58.350051][ C1] wg_packet_handshake_receive_worker+0x512/0x910 [ 58.356583][ C1] process_one_work+0x6c8/0xbb0 [ 58.361629][ C1] worker_thread+0xaa0/0x1250 [ 58.366571][ C1] kthread+0x3f5/0x4f0 [ 58.370750][ C1] ? worker_clr_flags+0x190/0x190 [ 58.376504][ C1] ? kthread_blkcg+0xd0/0xd0 [ 58.381108][ C1] ret_from_fork+0x1f/0x30 [ 58.385659][ C1] [ 58.388753][ T90] CPU: 0 PID: 90 Comm: klogd Tainted: G W syzkaller #0 [ 58.388907][ C1] FAULT_INJECTION: forcing a failure. [ 58.388907][ C1] name failslab, interval 1, probability 1, space 0, times 932 [ 58.396928][ T90] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 58.396944][ T90] Call Trace: [ 58.396951][ T90] [ 58.396959][ T90] __dump_stack+0x21/0x30 [ 58.430324][ T90] dump_stack_lvl+0x110/0x170 [ 58.435023][ T90] ? show_regs_print_info+0x20/0x20 [ 58.440241][ T90] dump_stack+0x15/0x20 [ 58.444453][ T90] should_fail+0x3ab/0x500 [ 58.448908][ T90] __should_failslab+0xa4/0xe0 [ 58.453693][ T90] should_failslab+0x9/0x20 [ 58.458224][ T90] slab_pre_alloc_hook+0x39/0xd0 [ 58.463178][ T90] ? getname_kernel+0x59/0x2e0 [ 58.467977][ T90] kmem_cache_alloc+0x44/0x260 [ 58.472757][ T90] getname_kernel+0x59/0x2e0 [ 58.477366][ T90] kern_path+0x23/0x1b0 [ 58.481540][ T90] unix_find_other+0xe9/0x830 [ 58.486234][ T90] ? __unix_set_addr+0x3c0/0x3c0 [ 58.491188][ T90] unix_dgram_connect+0x3c9/0xcb0 [ 58.496239][ T90] ? unix_read_sock+0x2d0/0x2d0 [ 58.501146][ T90] __sys_connect+0x3cb/0x450 [ 58.505758][ T90] ? __sys_connect_file+0x170/0x170 [ 58.510992][ T90] ? debug_smp_processor_id+0x17/0x20 [ 58.516381][ T90] __x64_sys_connect+0x7a/0x90 [ 58.521155][ T90] x64_sys_call+0x7c/0x9a0 [ 58.525587][ T90] do_syscall_64+0x4c/0xa0 [ 58.530029][ T90] ? clear_bhb_loop+0x50/0xa0 [ 58.534723][ T90] ? clear_bhb_loop+0x50/0xa0 [ 58.539438][ T90] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 58.545363][ T90] RIP: 0033:0x7f6eb8278407 [ 58.549802][ T90] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 58.569428][ T90] RSP: 002b:00007fffc974d0f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002a [ 58.577869][ T90] RAX: ffffffffffffffda RBX: 00007f6eb8128c80 RCX: 00007f6eb8278407 [ 58.585858][ T90] RDX: 000000000000006e RSI: 00007f6eb837f560 RDI: 0000000000000003 [ 58.593842][ T90] RBP: 00007f6eb837f560 R08: 0000000000000000 R09: 0000000000000000 [ 58.601837][ T90] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002 [ 58.609822][ T90] R13: 0000000000000069 R14: 0000000000000058 R15: 00007fffc974d260 [ 58.617809][ T90] [ 58.620838][ C1] CPU: 1 PID: 60 Comm: kworker/1:2 Tainted: G W syzkaller #0 [ 58.620952][ T287] 0 pages in swap cache [ 58.629534][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 58.629550][ C1] Workqueue: wg-kex-wg2 wg_packet_handshake_receive_worker [ 58.651105][ C1] Call Trace: [ 58.654429][ C1] [ 58.657284][ C1] __dump_stack+0x21/0x30 [ 58.661645][ C1] dump_stack_lvl+0x110/0x170 [ 58.663392][ T287] Swap cache stats: add 0, delete 0, find 0/0 [ 58.666338][ C1] ? show_regs_print_info+0x20/0x20 [ 58.672405][ T287] Free swap = 124996kB [ 58.672414][ T287] Total swap = 124996kB [ 58.677628][ C1] ? prandom_u32+0x24d/0x290 [ 58.677652][ C1] dump_stack+0x15/0x20 [ 58.677669][ C1] should_fail+0x3ab/0x500 [ 58.699412][ C1] __should_failslab+0xa4/0xe0 [ 58.704210][ C1] should_failslab+0x9/0x20 [ 58.708731][ C1] slab_pre_alloc_hook+0x39/0xd0 [ 58.713383][ T287] 2097051 pages RAM [ 58.713679][ C1] ? dst_alloc+0x15c/0x1d0 [ 58.713698][ C1] kmem_cache_alloc+0x44/0x260 [ 58.717514][ T287] 0 pages HighMem/MovableOnly [ 58.717523][ T287] 342338 pages reserved [ 58.721930][ C1] ? ipv6_sysctl_rtcache_flush+0x100/0x100 [ 58.741348][ C1] dst_alloc+0x15c/0x1d0 [ 58.745703][ C1] icmp6_dst_alloc+0xec/0x520 [ 58.750394][ C1] ? security_sk_classify_flow+0x7b/0x90 [ 58.753389][ T287] 0 pages cma reserved [ 58.756129][ C1] ? icmpv6_flow_init+0xd2/0x130 [ 58.764051][ T45] FAULT_INJECTION: forcing a failure. [ 58.764051][ T45] name failslab, interval 1, probability 1, space 0, times 932 [ 58.765163][ C1] ndisc_send_skb+0x2a9/0xcf0 [ 58.782757][ C1] ? wg_socket_send_buffer_to_peer+0x37/0x170 [ 58.789744][ C1] ? wg_packet_send_handshake_response+0x1af/0x230 [ 58.796303][ C1] ? wg_packet_handshake_receive_worker+0x512/0x910 [ 58.802934][ C1] ? process_one_work+0x6c8/0xbb0 [ 58.807991][ C1] ? worker_thread+0xaa0/0x1250 [ 58.812866][ C1] ? ndisc_alloc_skb+0x290/0x290 [ 58.817847][ C1] ? ndisc_send_rs+0x61f/0x960 [ 58.822726][ C1] ? memcpy+0x56/0x70 [ 58.826752][ C1] ndisc_send_rs+0x711/0x960 [ 58.831363][ C1] addrconf_rs_timer+0x35a/0x600 [ 58.836313][ C1] ? addrconf_disable_policy_idev+0x360/0x360 [ 58.842395][ C1] ? _raw_spin_lock_irq+0x95/0xf0 [ 58.847438][ C1] ? _raw_spin_lock_irqsave+0x130/0x130 [ 58.853002][ C1] ? addrconf_disable_policy_idev+0x360/0x360 [ 58.859178][ C1] call_timer_fn+0x38/0x290 [ 58.863731][ C1] ? addrconf_disable_policy_idev+0x360/0x360 [ 58.869928][ C1] __run_timers+0x637/0x9a0 [ 58.874467][ C1] ? sched_clock_cpu+0x18/0x3d0 [ 58.879347][ C1] ? calc_index+0x200/0x200 [ 58.883878][ C1] ? asm_common_interrupt+0x27/0x40 [ 58.889102][ C1] run_timer_softirq+0x6a/0xf0 [ 58.893884][ C1] handle_softirqs+0x250/0x560 [ 58.898671][ C1] ? irqtime_account_irq+0xbe/0x390 [ 58.903884][ C1] __irq_exit_rcu+0x52/0xf0 [ 58.908402][ C1] irq_exit_rcu+0x9/0x10 [ 58.912665][ C1] sysvec_apic_timer_interrupt+0xa9/0xc0 [ 58.918312][ C1] [ 58.921279][ C1] [ 58.924220][ C1] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 58.930222][ C1] RIP: 0010:preempt_schedule_irq+0xa5/0x120 [ 58.936135][ C1] Code: 44 24 20 00 02 00 00 43 c6 44 37 04 f8 74 0b 0f 0b 48 f7 03 08 00 00 00 74 4d bf 01 00 00 00 e8 11 4d 95 fc fb bf 01 00 00 00 76 e4 ff ff fa bf 01 00 00 00 e8 ab 4e 95 fc 65 48 8b 1d 13 f7 [ 58.955759][ C1] RSP: 0018:ffffc90000907740 EFLAGS: 00000246 [ 58.961839][ C1] RAX: 1ffff110217e8dae RBX: ffffc90000907818 RCX: ffffffff870cbf00 [ 58.969824][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 58.977806][ C1] RBP: ffffc900009077c8 R08: ffff88810bf462c7 R09: 1ffff110217e8c58 [ 58.985949][ C1] R10: dffffc0000000000 R11: ffffed10217e8c59 R12: 0000000000000000 [ 58.993955][ C1] R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff92000120ee8 [ 59.002083][ C1] ? __cond_resched+0xd0/0xd0 [ 59.006794][ C1] irqentry_exit_cond_resched+0x29/0x30 [ 59.012368][ C1] irqentry_exit+0x37/0x40 [ 59.016822][ C1] sysvec_reschedule_ipi+0x78/0x80 [ 59.021961][ C1] asm_sysvec_reschedule_ipi+0x1b/0x20 [ 59.027442][ C1] RIP: 0010:dump_stack_lvl+0x144/0x170 [ 59.032916][ C1] Code: e6 00 02 00 00 31 ff e8 3a 97 be fc 49 81 e5 00 02 00 00 75 07 e8 ec 92 be fc eb 06 e8 e5 92 be fc fb 48 c7 04 24 0e 36 e0 45 <4b> c7 04 27 00 00 00 00 65 48 8b 04 25 28 00 00 00 48 3b 44 24 40 [ 59.052542][ C1] RSP: 0018:ffffc900009078c0 EFLAGS: 00000293 [ 59.058627][ C1] RAX: ffffffff84ab23fb RBX: ffffffff8564bda0 RCX: ffff88810bf462c0 [ 59.066611][ C1] RDX: 0000000000000000 RSI: 0000000000000200 RDI: 0000000000000000 [ 59.074597][ C1] RBP: ffffc90000907958 R08: 0000000000000003 R09: 0000000000000004 [ 59.082591][ C1] R10: dffffc0000000000 R11: fffffbfff0ce23f0 R12: dffffc0000000000 [ 59.090580][ C1] R13: 0000000000000200 R14: 0000000000000001 R15: 1ffff92000120f18 [ 59.098598][ C1] ? dump_stack_lvl+0x13b/0x170 [ 59.103469][ C1] ? show_regs_print_info+0x20/0x20 [ 59.108685][ C1] dump_stack+0x15/0x20 [ 59.112876][ C1] should_fail+0x3ab/0x500 [ 59.117315][ C1] ? wg_socket_send_buffer_to_peer+0x37/0x170 [ 59.123742][ C1] __should_failslab+0xa4/0xe0 [ 59.128522][ C1] should_failslab+0x9/0x20 [ 59.133176][ C1] slab_pre_alloc_hook+0x39/0xd0 [ 59.138181][ C1] ? wg_socket_send_buffer_to_peer+0x37/0x170 [ 59.144281][ C1] ? wg_socket_send_buffer_to_peer+0x37/0x170 [ 59.150373][ C1] __kmalloc_track_caller+0x6c/0x2c0 [ 59.155683][ C1] ? wg_socket_send_buffer_to_peer+0x37/0x170 [ 59.161847][ C1] ? wg_socket_send_buffer_to_peer+0x37/0x170 [ 59.168012][ C1] __alloc_skb+0x210/0x730 [ 59.172480][ C1] wg_socket_send_buffer_to_peer+0x37/0x170 [ 59.175730][ T290] syz-executor (290) used greatest stack depth: 21632 bytes left [ 59.178398][ C1] ? ktime_get_coarse_with_offset+0x153/0x1a0 [ 59.192202][ C1] wg_packet_send_handshake_response+0x1af/0x230 [ 59.194470][ T20] FAULT_INJECTION: forcing a failure. [ 59.194470][ T20] name failslab, interval 1, probability 1, space 0, times 931 [ 59.198572][ C1] ? wg_packet_send_queued_handshake_initiation+0x210/0x210 [ 59.218614][ C1] ? wg_socket_set_peer_endpoint+0x314/0x970 [ 59.224622][ C1] wg_packet_handshake_receive_worker+0x512/0x910 [ 59.231071][ C1] process_one_work+0x6c8/0xbb0 [ 59.235940][ C1] worker_thread+0xaa0/0x1250 [ 59.240642][ C1] kthread+0x3f5/0x4f0 [ 59.244721][ C1] ? worker_clr_flags+0x190/0x190 [ 59.249759][ C1] ? kthread_blkcg+0xd0/0xd0 [ 59.254359][ C1] ret_from_fork+0x1f/0x30 [ 59.258792][ C1] [ 59.261822][ T357] CPU: 0 PID: 357 Comm: udevd Tainted: G W syzkaller #0 [ 59.262561][ C1] FAULT_INJECTION: forcing a failure. [ 59.262561][ C1] name failslab, interval 1, probability 1, space 0, times 930 [ 59.270088][ T357] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 59.270103][ T357] Call Trace: [ 59.270109][ T357] [ 59.270117][ T357] __dump_stack+0x21/0x30 [ 59.303474][ T357] dump_stack_lvl+0x110/0x170 [ 59.308167][ T357] ? show_regs_print_info+0x20/0x20 [ 59.313376][ T357] ? prandom_u32+0x24d/0x290 [ 59.317978][ T357] dump_stack+0x15/0x20 [ 59.322143][ T357] should_fail+0x3ab/0x500 [ 59.326594][ T357] __should_failslab+0xa4/0xe0 [ 59.331396][ T357] should_failslab+0x9/0x20 [ 59.335916][ T357] slab_pre_alloc_hook+0x39/0xd0 [ 59.340869][ T357] ? shmem_alloc_inode+0x1a/0x30 [ 59.345817][ T357] kmem_cache_alloc+0x44/0x260 [ 59.350598][ T357] ? shmem_match+0x160/0x160 [ 59.355225][ T357] shmem_alloc_inode+0x1a/0x30 [ 59.360005][ T357] new_inode_pseudo+0x62/0x210 [ 59.364780][ T357] new_inode+0x28/0x1e0 [ 59.368945][ T357] shmem_get_inode+0x343/0x9d0 [ 59.373733][ T357] shmem_mknod+0x5c/0x1c0 [ 59.378073][ T357] shmem_create+0x2c/0x40 [ 59.382416][ T357] ? shmem_fallocate+0xd30/0xd30 [ 59.387362][ T357] path_openat+0x15e6/0x2f80 [ 59.391970][ T357] ? do_filp_open+0x400/0x400 [ 59.396661][ T357] do_filp_open+0x1df/0x400 [ 59.401192][ T357] ? vfs_tmpfile+0x2d0/0x2d0 [ 59.405803][ T357] do_sys_openat2+0x15e/0x7f0 [ 59.410493][ T357] ? do_sys_open+0xe0/0xe0 [ 59.414923][ T357] __x64_sys_openat+0x136/0x160 [ 59.419797][ T357] x64_sys_call+0x219/0x9a0 [ 59.424312][ T357] do_syscall_64+0x4c/0xa0 [ 59.428743][ T357] ? clear_bhb_loop+0x50/0xa0 [ 59.433440][ T357] ? clear_bhb_loop+0x50/0xa0 [ 59.438137][ T357] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 59.444048][ T357] RIP: 0033:0x7fca9796c407 [ 59.448477][ T357] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 59.468093][ T357] RSP: 002b:00007ffcba5033b0 EFLAGS: 00000202 ORIG_RAX: 0000000000000101 [ 59.476525][ T357] RAX: ffffffffffffffda RBX: 00007fca9787e880 RCX: 00007fca9796c407 [ 59.484534][ T357] RDX: 0000000000080241 RSI: 00007ffcba503910 RDI: ffffffffffffff9c [ 59.492522][ T357] RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000 [ 59.500502][ T357] R10: 00000000000001b6 R11: 0000000000000202 R12: 000055de7ae13dfc [ 59.508483][ T357] R13: 000055de7ae13dfc R14: 0000000000000001 R15: 000055dea1d9e330 [ 59.516473][ T357] [ 59.519506][ C1] CPU: 1 PID: 60 Comm: kworker/1:2 Tainted: G W syzkaller #0 [ 59.528212][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 59.538278][ C1] Workqueue: wg-kex-wg2 wg_packet_handshake_receive_worker [ 59.545503][ C1] Call Trace: [ 59.548795][ C1] [ 59.551648][ C1] __dump_stack+0x21/0x30 [ 59.555993][ C1] dump_stack_lvl+0x110/0x170 [ 59.560683][ C1] ? show_regs_print_info+0x20/0x20 [ 59.563880][ C0] FAULT_INJECTION: forcing a failure. [ 59.563880][ C0] name failslab, interval 1, probability 1, space 0, times 930 [ 59.565896][ C1] ? prandom_u32+0x24d/0x290 [ 59.583241][ C1] dump_stack+0x15/0x20 [ 59.587409][ C1] should_fail+0x3ab/0x500 [ 59.591836][ C1] __should_failslab+0xa4/0xe0 [ 59.596612][ C1] should_failslab+0x9/0x20 [ 59.601126][ C1] slab_pre_alloc_hook+0x39/0xd0 [ 59.606083][ C1] ? dst_alloc+0x15c/0x1d0 [ 59.610523][ C1] kmem_cache_alloc+0x44/0x260 [ 59.615302][ C1] ? ipv6_sysctl_rtcache_flush+0x100/0x100 [ 59.621292][ C1] dst_alloc+0x15c/0x1d0 [ 59.625548][ C1] icmp6_dst_alloc+0xec/0x520 [ 59.630240][ C1] ? security_sk_classify_flow+0x7b/0x90 [ 59.635888][ C1] ? icmpv6_flow_init+0xd2/0x130 [ 59.640843][ C1] ndisc_send_skb+0x2a9/0xcf0 [ 59.645555][ C1] ? wg_socket_send_buffer_to_peer+0x37/0x170 [ 59.651637][ C1] ? wg_packet_send_handshake_response+0x1af/0x230 [ 59.658149][ C1] ? wg_packet_handshake_receive_worker+0x512/0x910 [ 59.664750][ C1] ? process_one_work+0x6c8/0xbb0 [ 59.669816][ C1] ? worker_thread+0xaa0/0x1250 [ 59.674682][ C1] ? ndisc_alloc_skb+0x290/0x290 [ 59.679640][ C1] ? __this_cpu_preempt_check+0x13/0x20 [ 59.685196][ C1] ? __raise_softirq_irqoff+0x17/0xd0 [ 59.690586][ C1] ? raise_softirq_irqoff+0x9/0x40 [ 59.695714][ C1] ndisc_send_rs+0x711/0x960 [ 59.700345][ C1] addrconf_rs_timer+0x35a/0x600 [ 59.705390][ C1] ? addrconf_disable_policy_idev+0x360/0x360 [ 59.711472][ C1] ? _raw_spin_lock_irq+0x95/0xf0 [ 59.716516][ C1] ? _raw_spin_lock_irqsave+0x130/0x130 [ 59.722102][ C1] ? addrconf_disable_policy_idev+0x360/0x360 [ 59.728184][ C1] call_timer_fn+0x38/0x290 [ 59.732707][ C1] ? addrconf_disable_policy_idev+0x360/0x360 [ 59.738977][ C1] __run_timers+0x637/0x9a0 [ 59.743498][ C1] ? sched_clock_cpu+0x18/0x3d0 [ 59.748364][ C1] ? calc_index+0x200/0x200 [ 59.752906][ C1] ? asm_common_interrupt+0x27/0x40 [ 59.758141][ C1] run_timer_softirq+0x6a/0xf0 [ 59.762931][ C1] handle_softirqs+0x250/0x560 [ 59.767714][ C1] ? irqtime_account_irq+0xbe/0x390 [ 59.772926][ C1] __irq_exit_rcu+0x52/0xf0 [ 59.777443][ C1] irq_exit_rcu+0x9/0x10 [ 59.781699][ C1] sysvec_apic_timer_interrupt+0xa9/0xc0 [ 59.787353][ C1] [ 59.790320][ C1] [ 59.793259][ C1] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 59.799272][ C1] RIP: 0010:preempt_schedule_irq+0xa5/0x120 [ 59.805203][ C1] Code: 44 24 20 00 02 00 00 43 c6 44 37 04 f8 74 0b 0f 0b 48 f7 03 08 00 00 00 74 4d bf 01 00 00 00 e8 11 4d 95 fc fb bf 01 00 00 00 76 e4 ff ff fa bf 01 00 00 00 e8 ab 4e 95 fc 65 48 8b 1d 13 f7 [ 59.824821][ C1] RSP: 0018:ffffc90000907740 EFLAGS: 00000246 [ 59.830924][ C1] RAX: 1ffff110217e8dae RBX: ffffc90000907818 RCX: ffffffff870cbf00 [ 59.838930][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 59.846919][ C1] RBP: ffffc900009077c8 R08: ffff88810bf462c7 R09: 1ffff110217e8c58 [ 59.854908][ C1] R10: dffffc0000000000 R11: ffffed10217e8c59 R12: 0000000000000000 [ 59.862895][ C1] R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff92000120ee8 [ 59.870887][ C1] ? __cond_resched+0xd0/0xd0 [ 59.875609][ C1] irqentry_exit_cond_resched+0x29/0x30 [ 59.881167][ C1] irqentry_exit+0x37/0x40 [ 59.885594][ C1] sysvec_reschedule_ipi+0x78/0x80 [ 59.890714][ C1] asm_sysvec_reschedule_ipi+0x1b/0x20 [ 59.896186][ C1] RIP: 0010:dump_stack_lvl+0x144/0x170 [ 59.901657][ C1] Code: e6 00 02 00 00 31 ff e8 3a 97 be fc 49 81 e5 00 02 00 00 75 07 e8 ec 92 be fc eb 06 e8 e5 92 be fc fb 48 c7 04 24 0e 36 e0 45 <4b> c7 04 27 00 00 00 00 65 48 8b 04 25 28 00 00 00 48 3b 44 24 40 [ 59.921279][ C1] RSP: 0018:ffffc900009078c0 EFLAGS: 00000293 [ 59.927362][ C1] RAX: ffffffff84ab23fb RBX: ffffffff8564bda0 RCX: ffff88810bf462c0 [ 59.935454][ C1] RDX: 0000000000000000 RSI: 0000000000000200 RDI: 0000000000000000 [ 59.943434][ C1] RBP: ffffc90000907958 R08: 0000000000000003 R09: 0000000000000004 [ 59.951436][ C1] R10: dffffc0000000000 R11: fffffbfff0ce23f0 R12: dffffc0000000000 [ 59.959421][ C1] R13: 0000000000000200 R14: 0000000000000001 R15: 1ffff92000120f18 [ 59.967406][ C1] ? dump_stack_lvl+0x13b/0x170 [ 59.972269][ C1] ? show_regs_print_info+0x20/0x20 [ 59.977479][ C1] dump_stack+0x15/0x20 [ 59.981644][ C1] should_fail+0x3ab/0x500 [ 59.986080][ C1] ? wg_socket_send_buffer_to_peer+0x37/0x170 [ 59.992158][ C1] __should_failslab+0xa4/0xe0 [ 59.996942][ C1] should_failslab+0x9/0x20 [ 60.001460][ C1] slab_pre_alloc_hook+0x39/0xd0 [ 60.006411][ C1] ? wg_socket_send_buffer_to_peer+0x37/0x170 [ 60.012492][ C1] ? wg_socket_send_buffer_to_peer+0x37/0x170 [ 60.018577][ C1] __kmalloc_track_caller+0x6c/0x2c0 [ 60.023877][ C1] ? wg_socket_send_buffer_to_peer+0x37/0x170 [ 60.029956][ C1] ? wg_socket_send_buffer_to_peer+0x37/0x170 [ 60.036064][ C1] __alloc_skb+0x210/0x730 [ 60.040500][ C1] wg_socket_send_buffer_to_peer+0x37/0x170 [ 60.046414][ C1] ? ktime_get_coarse_with_offset+0x153/0x1a0 [ 60.052502][ C1] wg_packet_send_handshake_response+0x1af/0x230 [ 60.058848][ C1] ? wg_packet_send_queued_handshake_initiation+0x210/0x210 [ 60.066148][ C1] ? wg_socket_set_peer_endpoint+0x314/0x970 [ 60.072142][ C1] wg_packet_handshake_receive_worker+0x512/0x910 [ 60.078573][ C1] process_one_work+0x6c8/0xbb0 [ 60.083441][ C1] worker_thread+0xaa0/0x1250 [ 60.088135][ C1] kthread+0x3f5/0x4f0 [ 60.092214][ C1] ? worker_clr_flags+0x190/0x190 [ 60.097250][ C1] ? kthread_blkcg+0xd0/0xd0 [ 60.101881][ C1] ret_from_fork+0x1f/0x30 [ 60.106326][ C1] [ 60.109369][ C0] CPU: 0 PID: 45 Comm: kworker/u4:2 Tainted: G W syzkaller #0 [ 60.118342][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 60.128704][ C0] Workqueue: netns cleanup_net [ 60.133506][ C0] Call Trace: [ 60.136797][ C0] [ 60.139658][ C0] __dump_stack+0x21/0x30 [ 60.144002][ C0] dump_stack_lvl+0x110/0x170 [ 60.148693][ C0] ? show_regs_print_info+0x20/0x20 [ 60.153903][ C0] ? prandom_u32+0x24d/0x290 [ 60.158642][ C0] dump_stack+0x15/0x20 [ 60.162826][ C0] should_fail+0x3ab/0x500 [ 60.167271][ C0] __should_failslab+0xa4/0xe0 [ 60.172061][ C0] should_failslab+0x9/0x20 [ 60.176584][ C0] slab_pre_alloc_hook+0x39/0xd0 [ 60.181547][ C0] ? __alloc_skb+0xe4/0x730 [ 60.186062][ C0] kmem_cache_alloc+0x44/0x260 [ 60.190842][ C0] __alloc_skb+0xe4/0x730 [ 60.195181][ C0] ndisc_send_rs+0x310/0x960 [ 60.199783][ C0] addrconf_rs_timer+0x35a/0x600 [ 60.204735][ C0] ? addrconf_disable_policy_idev+0x360/0x360 [ 60.210833][ C0] ? _raw_spin_lock_irq+0x95/0xf0 [ 60.215873][ C0] ? _raw_spin_lock_irqsave+0x130/0x130 [ 60.221440][ C0] ? addrconf_disable_policy_idev+0x360/0x360 [ 60.227537][ C0] call_timer_fn+0x38/0x290 [ 60.232063][ C0] ? addrconf_disable_policy_idev+0x360/0x360 [ 60.238157][ C0] __run_timers+0x637/0x9a0 [ 60.242774][ C0] ? calc_index+0x200/0x200 [ 60.247339][ C0] ? sched_clock_cpu+0x18/0x3d0 [ 60.252220][ C0] run_timer_softirq+0x6a/0xf0 [ 60.257001][ C0] handle_softirqs+0x250/0x560 [ 60.261784][ C0] __irq_exit_rcu+0x52/0xf0 [ 60.266320][ C0] irq_exit_rcu+0x9/0x10 [ 60.270577][ C0] sysvec_apic_timer_interrupt+0xa9/0xc0 [ 60.276220][ C0] [ 60.279158][ C0] [ 60.282105][ C0] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 60.288096][ C0] RIP: 0010:__printk_wait_on_cpu_lock+0xb/0x40 [ 60.294266][ C0] Code: 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 fc e4 56 00 4c 89 33 5b 41 5c 41 5e 41 5f 5d c3 55 48 89 e5 e8 d7 74 17 00 f3 90 <48> c7 c7 80 1f 71 86 be 04 00 00 00 e8 14 e6 56 00 8b 05 5e dd 1e [ 60.314027][ C0] RSP: 0018:ffffc900002ef830 EFLAGS: 00000293 [ 60.320116][ C0] RAX: ffffffff8152422c RBX: ffffffff8564bda0 RCX: ffff8881045b93c0 [ 60.328119][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffffff86711f80 [ 60.336107][ C0] RBP: ffffc900002ef830 R08: 0000000000000003 R09: 0000000000000004 [ 60.344165][ C0] R10: dffffc0000000000 R11: fffffbfff0ce23f0 R12: dffffc0000000000 [ 60.352172][ C0] R13: 0000000000000200 R14: dffffc0000000004 R15: 1ffff9200005df08 [ 60.360169][ C0] ? __printk_wait_on_cpu_lock+0x2c/0x40 [ 60.365831][ C0] dump_stack_lvl+0xce/0x170 [ 60.370461][ C0] ? show_regs_print_info+0x20/0x20 [ 60.375758][ C0] dump_stack+0x15/0x20 [ 60.379951][ C0] should_fail+0x3ab/0x500 [ 60.384385][ C0] __should_failslab+0xa4/0xe0 [ 60.389164][ C0] should_failslab+0x9/0x20 [ 60.393677][ C0] slab_pre_alloc_hook+0x39/0xd0 [ 60.398625][ C0] __kmalloc+0x6d/0x2c0 [ 60.402792][ C0] ? kvmalloc_node+0x211/0x320 [ 60.407565][ C0] kvmalloc_node+0x211/0x320 [ 60.412169][ C0] ? vm_mmap+0xb0/0xb0 [ 60.416276][ C0] __nf_hook_entries_try_shrink+0x345/0x740 [ 60.422184][ C0] __nf_unregister_net_hook+0x3ae/0x560 [ 60.427742][ C0] nf_unregister_net_hooks+0xe2/0x150 [ 60.433150][ C0] ipt_unregister_table_pre_exit+0x7c/0xb0 [ 60.438968][ C0] iptable_filter_net_pre_exit+0x1c/0x20 [ 60.444620][ C0] cleanup_net+0x4b2/0xae0 [ 60.449053][ C0] ? ops_init+0x470/0x470 [ 60.453396][ C0] ? __schedule+0xbd7/0x14a0 [ 60.458000][ C0] process_one_work+0x6c8/0xbb0 [ 60.462866][ C0] worker_thread+0xaa0/0x1250 [ 60.467562][ C0] kthread+0x3f5/0x4f0 [ 60.471643][ C0] ? worker_clr_flags+0x190/0x190 [ 60.476689][ C0] ? kthread_blkcg+0xd0/0xd0 [ 60.481287][ C0] ret_from_fork+0x1f/0x30 [ 60.485717][ C0] [ 60.488992][ C0] FAULT_INJECTION: forcing a failure. [ 60.488992][ C0] name failslab, interval 1, probability 1, space 0, times 927 [ 60.501994][ C0] CPU: 0 PID: 45 Comm: kworker/u4:2 Tainted: G W syzkaller #0 [ 60.510781][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 60.520844][ C0] Workqueue: netns cleanup_net [ 60.525626][ C0] Call Trace: [ 60.528912][ C0] [ 60.531762][ C0] __dump_stack+0x21/0x30 [ 60.536100][ C0] dump_stack_lvl+0x110/0x170 [ 60.540782][ C0] ? show_regs_print_info+0x20/0x20 [ 60.545992][ C0] ? prandom_u32+0x24d/0x290 [ 60.550595][ C0] dump_stack+0x15/0x20 [ 60.554757][ C0] should_fail+0x3ab/0x500 [ 60.559190][ C0] __should_failslab+0xa4/0xe0 [ 60.563965][ C0] should_failslab+0x9/0x20 [ 60.568479][ C0] slab_pre_alloc_hook+0x39/0xd0 [ 60.573426][ C0] kmem_cache_alloc_trace+0x48/0x270 [ 60.578719][ C0] ? dst_cow_metrics_generic+0x55/0x1c0 [ 60.584280][ C0] dst_cow_metrics_generic+0x55/0x1c0 [ 60.589658][ C0] icmp6_dst_alloc+0x35f/0x520 [ 60.594432][ C0] ndisc_send_skb+0x2a9/0xcf0 [ 60.599121][ C0] ? iptable_filter_net_pre_exit+0x1c/0x20 [ 60.604943][ C0] ? cleanup_net+0x4b2/0xae0 [ 60.609544][ C0] ? process_one_work+0x6c8/0xbb0 [ 60.614577][ C0] ? worker_thread+0xaa0/0x1250 [ 60.619436][ C0] ? kthread+0x3f5/0x4f0 [ 60.623699][ C0] ? ndisc_alloc_skb+0x290/0x290 [ 60.628652][ C0] ? skb_put+0x10a/0x1f0 [ 60.633076][ C0] ndisc_send_rs+0x711/0x960 [ 60.637669][ C0] ? ndisc_send_rs+0x131/0x960 [ 60.642440][ C0] addrconf_rs_timer+0x35a/0x600 [ 60.647387][ C0] ? addrconf_disable_policy_idev+0x360/0x360 [ 60.653535][ C0] ? _raw_spin_lock_irq+0x95/0xf0 [ 60.658578][ C0] ? _raw_spin_lock_irqsave+0x130/0x130 [ 60.664150][ C0] ? addrconf_disable_policy_idev+0x360/0x360 [ 60.670224][ C0] call_timer_fn+0x38/0x290 [ 60.674742][ C0] ? addrconf_disable_policy_idev+0x360/0x360 [ 60.680816][ C0] __run_timers+0x637/0x9a0 [ 60.685352][ C0] ? calc_index+0x200/0x200 [ 60.689864][ C0] ? sched_clock_cpu+0x18/0x3d0 [ 60.694724][ C0] run_timer_softirq+0x6a/0xf0 [ 60.699501][ C0] handle_softirqs+0x250/0x560 [ 60.704305][ C0] __irq_exit_rcu+0x52/0xf0 [ 60.708819][ C0] irq_exit_rcu+0x9/0x10 [ 60.713071][ C0] sysvec_apic_timer_interrupt+0xa9/0xc0 [ 60.718801][ C0] [ 60.721743][ C0] [ 60.724682][ C0] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 60.730671][ C0] RIP: 0010:__printk_wait_on_cpu_lock+0xb/0x40 [ 60.736845][ C0] Code: 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 fc e4 56 00 4c 89 33 5b 41 5c 41 5e 41 5f 5d c3 55 48 89 e5 e8 d7 74 17 00 f3 90 <48> c7 c7 80 1f 71 86 be 04 00 00 00 e8 14 e6 56 00 8b 05 5e dd 1e [ 60.756464][ C0] RSP: 0018:ffffc900002ef830 EFLAGS: 00000293 [ 60.762546][ C0] RAX: ffffffff8152422c RBX: ffffffff8564bda0 RCX: ffff8881045b93c0 [ 60.770651][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffffff86711f80 [ 60.778649][ C0] RBP: ffffc900002ef830 R08: 0000000000000003 R09: 0000000000000004 [ 60.786641][ C0] R10: dffffc0000000000 R11: fffffbfff0ce23f0 R12: dffffc0000000000 [ 60.794802][ C0] R13: 0000000000000200 R14: dffffc0000000004 R15: 1ffff9200005df08 [ 60.802810][ C0] ? __printk_wait_on_cpu_lock+0x2c/0x40 [ 60.808471][ C0] dump_stack_lvl+0xce/0x170 [ 60.813079][ C0] ? show_regs_print_info+0x20/0x20 [ 60.818291][ C0] dump_stack+0x15/0x20 [ 60.822458][ C0] should_fail+0x3ab/0x500 [ 60.826885][ C0] __should_failslab+0xa4/0xe0 [ 60.831665][ C0] should_failslab+0x9/0x20 [ 60.836210][ C0] slab_pre_alloc_hook+0x39/0xd0 [ 60.841162][ C0] __kmalloc+0x6d/0x2c0 [ 60.845324][ C0] ? kvmalloc_node+0x211/0x320 [ 60.850101][ C0] kvmalloc_node+0x211/0x320 [ 60.853414][ C1] FAULT_INJECTION: forcing a failure. [ 60.853414][ C1] name failslab, interval 1, probability 1, space 0, times 927 [ 60.854731][ C0] ? vm_mmap+0xb0/0xb0 [ 60.871555][ C0] __nf_hook_entries_try_shrink+0x345/0x740 [ 60.877475][ C0] __nf_unregister_net_hook+0x3ae/0x560 [ 60.883034][ C0] nf_unregister_net_hooks+0xe2/0x150 [ 60.888426][ C0] ipt_unregister_table_pre_exit+0x7c/0xb0 [ 60.894277][ C0] iptable_filter_net_pre_exit+0x1c/0x20 [ 60.899925][ C0] cleanup_net+0x4b2/0xae0 [ 60.904358][ C0] ? ops_init+0x470/0x470 [ 60.908717][ C0] ? __schedule+0xbd7/0x14a0 [ 60.913324][ C0] process_one_work+0x6c8/0xbb0 [ 60.918193][ C0] worker_thread+0xaa0/0x1250 [ 60.922890][ C0] kthread+0x3f5/0x4f0 [ 60.926979][ C0] ? worker_clr_flags+0x190/0x190 [ 60.932040][ C0] ? kthread_blkcg+0xd0/0xd0 [ 60.936661][ C0] ret_from_fork+0x1f/0x30 [ 60.941126][ C0] [ 60.944165][ C1] CPU: 1 PID: 288 Comm: syz-executor Tainted: G W syzkaller #0 [ 60.946209][ C0] FAULT_INJECTION: forcing a failure. [ 60.946209][ C0] name failslab, interval 1, probability 1, space 0, times 926 [ 60.953057][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 60.975872][ C1] Call Trace: [ 60.979309][ C1] [ 60.982179][ C1] __dump_stack+0x21/0x30 [ 60.986530][ C1] dump_stack_lvl+0x110/0x170 [ 60.991227][ C1] ? show_regs_print_info+0x20/0x20 [ 60.996446][ C1] ? prandom_u32+0x24d/0x290 [ 61.001051][ C1] dump_stack+0x15/0x20 [ 61.005316][ C1] should_fail+0x3ab/0x500 [ 61.009766][ C1] __should_failslab+0xa4/0xe0 [ 61.014546][ C1] should_failslab+0x9/0x20 [ 61.019061][ C1] slab_pre_alloc_hook+0x39/0xd0 [ 61.024020][ C1] ? __alloc_skb+0xe4/0x730 [ 61.028542][ C1] kmem_cache_alloc+0x44/0x260 [ 61.033323][ C1] __alloc_skb+0xe4/0x730 [ 61.037673][ C1] ndisc_send_rs+0x310/0x960 [ 61.042278][ C1] addrconf_rs_timer+0x35a/0x600 [ 61.047242][ C1] ? addrconf_disable_policy_idev+0x360/0x360 [ 61.053321][ C1] ? _raw_spin_lock_irqsave+0x130/0x130 [ 61.058885][ C1] ? addrconf_disable_policy_idev+0x360/0x360 [ 61.064969][ C1] call_timer_fn+0x38/0x290 [ 61.069509][ C1] ? addrconf_disable_policy_idev+0x360/0x360 [ 61.075606][ C1] __run_timers+0x637/0x9a0 [ 61.080139][ C1] ? calc_index+0x200/0x200 [ 61.084656][ C1] ? sched_clock_cpu+0x18/0x3d0 [ 61.089519][ C1] run_timer_softirq+0x6a/0xf0 [ 61.094297][ C1] handle_softirqs+0x250/0x560 [ 61.099100][ C1] ? irqtime_account_irq+0xbe/0x390 [ 61.104332][ C1] __irq_exit_rcu+0x52/0xf0 [ 61.108864][ C1] irq_exit_rcu+0x9/0x10 [ 61.113137][ C1] sysvec_apic_timer_interrupt+0xa9/0xc0 [ 61.118786][ C1] [ 61.121732][ C1] [ 61.124671][ C1] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 61.130668][ C1] RIP: 0010:smp_call_function_many_cond+0x8ad/0x9e0 [ 61.137298][ C1] Code: 0f b6 44 05 00 84 c0 0f 85 9b 00 00 00 41 8b 1f 89 de 83 e6 01 31 ff e8 31 48 0a 00 83 e3 01 75 07 e8 77 44 0a 00 eb 42 f3 90 <48> b8 00 00 00 00 00 fc ff df 41 0f b6 44 05 00 84 c0 75 10 41 f7 [ 61.157180][ C1] RSP: 0018:ffffc90000a57480 EFLAGS: 00000293 [ 61.163262][ C1] RAX: ffffffff815f728f RBX: 0000000000000001 RCX: ffff88811e518000 [ 61.171272][ C1] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 61.179255][ C1] RBP: ffffc90000a57588 R08: ffff8881f7138e97 R09: 1ffff1103ee271d2 [ 61.187250][ C1] R10: dffffc0000000000 R11: ffffed103ee271d3 R12: ffff8881f7138e80 [ 61.195363][ C1] R13: 1ffff1103ee07af9 R14: 0000000000000000 R15: ffff8881f703d7c8 [ 61.203370][ C1] ? smp_call_function_many_cond+0x8cf/0x9e0 [ 61.209566][ C1] ? flush_tlb_kernel_range+0x240/0x240 [ 61.215148][ C1] ? smp_call_function_many+0x40/0x40 [ 61.220544][ C1] ? kasan_release_vmalloc+0xb0/0xb0 [ 61.225878][ C1] ? flush_tlb_kernel_range+0x240/0x240 [ 61.231640][ C1] on_each_cpu_cond_mask+0x43/0x80 [ 61.236784][ C1] flush_tlb_kernel_range+0x1a0/0x240 [ 61.242187][ C1] kasan_release_vmalloc+0xa2/0xb0 [ 61.247319][ C1] __purge_vmap_area_lazy+0xa8d/0x1890 [ 61.252945][ C1] ? debug_smp_processor_id+0x17/0x20 [ 61.258633][ C1] ? kasan_quarantine_put+0x34/0x190 [ 61.264129][ C1] ? purge_fragmented_blocks_allcpus+0x7e0/0x7e0 [ 61.270647][ C1] ? free_vmap_area_noflush+0x50f/0xaa0 [ 61.276207][ C1] ? kmem_cache_free+0x100/0x320 [ 61.281165][ C1] try_purge_vmap_area_lazy+0x38/0x50 [ 61.286551][ C1] free_vmap_area_noflush+0xa59/0xaa0 [ 61.291938][ C1] remove_vm_area+0x1c1/0x1e0 [ 61.296632][ C1] __vunmap+0x259/0x980 [ 61.300822][ C1] ? rcu_gp_kthread_wake+0x90/0x90 [ 61.305950][ C1] vfree+0x8b/0xc0 [ 61.309688][ C1] kcov_close+0x2b/0x50 [ 61.313862][ C1] ? kcov_open+0x60/0x60 [ 61.318507][ C1] __fput+0x22b/0x900 [ 61.322528][ C1] ____fput+0x15/0x20 [ 61.326529][ C1] task_work_run+0x127/0x190 [ 61.331142][ C1] do_exit+0xb70/0x29a0 [ 61.335314][ C1] ? put_task_struct+0x90/0x90 [ 61.340113][ C1] ? release_firmware_map_entry+0x190/0x190 [ 61.346022][ C1] ? child_wait_callback+0x220/0x220 [ 61.351327][ C1] ? __kasan_check_write+0x14/0x20 [ 61.356455][ C1] ? _raw_spin_lock_irq+0x95/0xf0 [ 61.361501][ C1] do_group_exit+0x149/0x310 [ 61.366123][ C1] ? __kasan_check_write+0x14/0x20 [ 61.371417][ C1] ? recalc_sigpending+0x1c4/0x230 [ 61.376557][ C1] get_signal+0x64f/0x1430 [ 61.381000][ C1] arch_do_signal_or_restart+0xe2/0x1100 [ 61.386656][ C1] ? kmem_cache_free+0x100/0x320 [ 61.391711][ C1] ? __x64_sys_wait4+0x1b4/0x230 [ 61.396843][ C1] ? get_sigframe_size+0x10/0x10 [ 61.401795][ C1] ? kernel_wait+0x1c0/0x1c0 [ 61.406407][ C1] ? ____fput+0x15/0x20 [ 61.410576][ C1] exit_to_user_mode_loop+0xa7/0xe0 [ 61.415787][ C1] exit_to_user_mode_prepare+0x87/0xd0 [ 61.421263][ C1] syscall_exit_to_user_mode+0x1a/0x30 [ 61.426743][ C1] do_syscall_64+0x58/0xa0 [ 61.431179][ C1] ? clear_bhb_loop+0x50/0xa0 [ 61.435867][ C1] ? clear_bhb_loop+0x50/0xa0 [ 61.440558][ C1] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 61.446487][ C1] RIP: 0033:0x7f1377ed0017 [ 61.450917][ C1] Code: Unable to access opcode bytes at RIP 0x7f1377ecffed. [ 61.458291][ C1] RSP: 002b:00007ffe3d019ce0 EFLAGS: 00000202 ORIG_RAX: 000000000000003d [ 61.466741][ C1] RAX: fffffffffffffe00 RBX: 0000555562bec500 RCX: 00007f1377ed0017 [ 61.474729][ C1] RDX: 0000000040000000 RSI: 00007ffe3d019d6c RDI: ffffffffffffffff [ 61.482715][ C1] RBP: 00007ffe3d019d6c R08: 0000000000000000 R09: 0000000000000000 [ 61.490698][ C1] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002 [ 61.498683][ C1] R13: 0000555562bff8d0 R14: 0000000000006af7 R15: 00007ffe3d019dc0 [ 61.506672][ C1] [ 61.509708][ C0] CPU: 0 PID: 45 Comm: kworker/u4:2 Tainted: G W syzkaller #0 [ 61.518670][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 61.528868][ C0] Workqueue: netns cleanup_net [ 61.533664][ C0] Call Trace: [ 61.536949][ C0] [ 61.539800][ C0] __dump_stack+0x21/0x30 [ 61.544237][ C0] dump_stack_lvl+0x110/0x170 [ 61.548921][ C0] ? show_regs_print_info+0x20/0x20 [ 61.554321][ C0] ? prandom_u32+0x24d/0x290 [ 61.558934][ C0] dump_stack+0x15/0x20 [ 61.563100][ C0] should_fail+0x3ab/0x500 [ 61.567528][ C0] __should_failslab+0xa4/0xe0 [ 61.572303][ C0] should_failslab+0x9/0x20 [ 61.576818][ C0] slab_pre_alloc_hook+0x39/0xd0 [ 61.581766][ C0] ? __alloc_skb+0xe4/0x730 [ 61.586282][ C0] kmem_cache_alloc+0x44/0x260 [ 61.591053][ C0] ? wg_packet_send_staged_packets+0xdc8/0x1370 [ 61.597328][ C0] __alloc_skb+0xe4/0x730 [ 61.601669][ C0] ndisc_send_rs+0x310/0x960 [ 61.606270][ C0] addrconf_rs_timer+0x35a/0x600 [ 61.611230][ C0] ? addrconf_disable_policy_idev+0x360/0x360 [ 61.617327][ C0] ? addrconf_disable_policy_idev+0x360/0x360 [ 61.623405][ C0] call_timer_fn+0x38/0x290 [ 61.627922][ C0] ? addrconf_disable_policy_idev+0x360/0x360 [ 61.634003][ C0] __run_timers+0x637/0x9a0 [ 61.638522][ C0] ? calc_index+0x200/0x200 [ 61.643038][ C0] ? sched_clock_cpu+0x18/0x3d0 [ 61.647907][ C0] run_timer_softirq+0x6a/0xf0 [ 61.652685][ C0] handle_softirqs+0x250/0x560 [ 61.657464][ C0] __irq_exit_rcu+0x52/0xf0 [ 61.661983][ C0] irq_exit_rcu+0x9/0x10 [ 61.666252][ C0] sysvec_apic_timer_interrupt+0xa9/0xc0 [ 61.671988][ C0] [ 61.674926][ C0] [ 61.677865][ C0] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 61.683887][ C0] RIP: 0010:__printk_wait_on_cpu_lock+0xb/0x40 [ 61.690057][ C0] Code: 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 fc e4 56 00 4c 89 33 5b 41 5c 41 5e 41 5f 5d c3 55 48 89 e5 e8 d7 74 17 00 f3 90 <48> c7 c7 80 1f 71 86 be 04 00 00 00 e8 14 e6 56 00 8b 05 5e dd 1e [ 61.709670][ C0] RSP: 0018:ffffc900002ef830 EFLAGS: 00000293