last executing test programs: 5.50998727s ago: executing program 3 (id=1296): r0 = openat$nullb(0xffffffffffffff9c, &(0x7f0000001000), 0x169802, 0x0) r1 = dup(r0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x1000006, 0x13, r1, 0x0) r2 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000500), 0xa00, 0x0) sendmsg$DCCPDIAG_GETSOCK(0xffffffffffffffff, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000180)={0x4c, 0x13, 0x300, 0x70bd26, 0x25dfdbfe, {0xb, 0x8, 0x8, 0x6, {0x4e20, 0x4e20, [0x6, 0x6, 0x9ae0, 0x6], [0x3, 0x6, 0x5, 0x2], 0x0, [0x8, 0xbc]}, 0xfffffffc, 0x7}}, 0x4c}, 0x1, 0x0, 0x0, 0x200000cc}, 0x4) ioctl$BLKRRPART(r2, 0x125f, 0x0) 5.016562474s ago: executing program 3 (id=1301): r0 = openat$uhid(0xffffffffffffff9c, &(0x7f0000000040), 0x802, 0x0) write$UHID_CREATE2(r0, &(0x7f00000007c0)=ANY=[@ANYBLOB="0b00000073797a31000000dfff000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000073797a30000037b35f0a000089b4c45a10000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000073797a3100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001"], 0x119) r1 = syz_open_dev$hidraw(&(0x7f00000004c0), 0x0, 0x14a042) r2 = dup3(r1, r0, 0x80000) ioctl$sock_inet_sctp_SIOCINQ(r2, 0x541b, 0x0) 4.773535803s ago: executing program 2 (id=1302): r0 = syz_open_dev$vim2m(&(0x7f0000000000), 0x0, 0x2) r1 = openat$uhid(0xffffffffffffff9c, &(0x7f0000000040), 0x802, 0x0) write$UHID_CREATE2(r1, &(0x7f00000007c0)=ANY=[@ANYBLOB="0b00000073797a31000000dfff000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000073797a30000037b35f0a000089b4c45a10000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000073797a3100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001"], 0x119) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xf, 0x8031, r1, 0x1000) r2 = syz_open_dev$hidraw(&(0x7f00000004c0), 0x0, 0xbb42) dup3(r2, r1, 0x80000) close_range(r0, 0xffffffffffffffff, 0x0) 3.096235095s ago: executing program 2 (id=1305): r0 = socket$inet_udp(0x2, 0x2, 0x0) setsockopt$sock_int(r0, 0x1, 0xb, &(0x7f0000000000)=0x5, 0x4) connect$inet(r0, &(0x7f0000000040)={0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0xf}}, 0x10) r1 = socket$pppl2tp(0x18, 0x1, 0x1) connect$pppl2tp(r1, &(0x7f0000000140)=@pppol2tpin6={0x18, 0x1, {0x0, r0, 0x1, 0x0, 0x0, 0x0, {0xa, 0x0, 0x4000000, @mcast1}}}, 0x32) sendmmsg(r1, &(0x7f00000035c0)=[{{0x0, 0x0, 0x0}}], 0x1, 0x0) 2.925569946s ago: executing program 3 (id=1307): r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x40, 0x16f) fchown(r0, 0x0, 0x0) 2.827116465s ago: executing program 2 (id=1308): r0 = syz_open_dev$vim2m(&(0x7f0000000000), 0x7f, 0x2) ioctl$vim2m_VIDIOC_S_FMT(r0, 0xc0205648, &(0x7f0000000100)={0x1, @pix_mp={0x0, 0x0, 0x32315852, 0x0, 0x0, [{}, {0xdb2}]}}) 2.692550458s ago: executing program 2 (id=1309): prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000180)=0x7) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbee2, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@file={0x0, './file0\x00'}, 0x6e) sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000000)=0x6) preadv(r1, 0x0, 0x0, 0x4, 0xffff) fchownat(0xffffffffffffff9c, 0x0, 0xee01, 0x0, 0x1000) r3 = landlock_create_ruleset(&(0x7f00000000c0)={0x100}, 0x18, 0x0) r4 = openat$dir(0xffffffffffffff9c, 0x0, 0x200000, 0x0) landlock_add_rule$LANDLOCK_RULE_PATH_BENEATH(r3, 0x1, &(0x7f0000000140)={0x100, r4}, 0x0) r5 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r5, 0x0, 0x0) sendmsg$nl_xfrm(r5, &(0x7f0000000180)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000000)=@updpolicy={0xb8, 0x15, 0x1, 0x0, 0x0, {{@in=@multicast1=0xe0000002, @in=@empty, 0x0, 0x6, 0x0, 0x0, 0xa, 0x10, 0x80}, {0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0xffffffff}, {}, 0x0, 0x6e6bb5, 0x0, 0x0, 0x3, 0x2}}, 0xb8}}, 0x0) syz_io_uring_setup(0x39d, 0x0, &(0x7f0000000100), 0x0, 0x0) syz_open_dev$loop(0x0, 0x62, 0x40) 2.294597518s ago: executing program 3 (id=1311): ioctl$FS_IOC_GETFSLABEL(0xffffffffffffffff, 0x800452d3, &(0x7f0000000100)) 1.520026334s ago: executing program 3 (id=1312): r0 = socket$inet6_tcp(0xa, 0x1, 0x0) close(r0) r1 = socket$inet6_mptcp(0xa, 0x1, 0x106) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22, 0x0, @empty, 0x1}, 0x1c) listen(r1, 0x0) r2 = socket$inet_mptcp(0x2, 0x1, 0x106) connect$inet(r2, &(0x7f0000000000)={0x2, 0x4e22, @empty}, 0x10) r3 = accept(r1, 0x0, 0x0) sendmsg$TEAM_CMD_OPTIONS_SET(r3, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000100)=ANY=[], 0xfffffdef}, 0x1, 0x0, 0x0, 0x800}, 0x40010) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) recvfrom(r2, &(0x7f0000000080)=""/60, 0xfffffffffffffeeb, 0x101, 0x0, 0x0) 1.351575201s ago: executing program 2 (id=1313): r0 = socket$netlink(0x10, 0x3, 0x0) recvmmsg(r0, &(0x7f0000000980)=[{{0x0, 0x0, 0x0}}], 0x1, 0x40010100, 0x0) bind$netlink(r0, &(0x7f0000514ff4)={0x10, 0x0, 0x0, 0x2ffffffff}, 0xc) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000b40)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$SIOCSIFHWADDR(r1, 0x8b04, &(0x7f0000000000)={'wlan1\x00', @random="020000000100"}) 1.268137764s ago: executing program 1 (id=1314): r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000000000), 0x20000, 0x0) r1 = socket$tipc(0x1e, 0x2, 0x0) r2 = socket(0x10, 0x3, 0x0) getsockopt$sock_cred(r2, 0x1, 0x11, &(0x7f0000000180)={0x0, 0x0}, &(0x7f0000000200)=0xc) mount$9p_fd(0x0, &(0x7f0000000080)='.\x00', &(0x7f00000000c0), 0x10, &(0x7f0000000540)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@access_uid={'access', 0x3d, r3}}]}}) 1.211989327s ago: executing program 0 (id=1315): prlimit64(0x0, 0xe, &(0x7f0000000140)={0x7, 0x100}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) connect$unix(0xffffffffffffffff, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(0xffffffffffffffff, &(0x7f0000000000), 0x651, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000000)=0x6) keyctl$dh_compute(0x17, 0x0, 0x0, 0x0, 0x0) socket$nl_xfrm(0x10, 0x3, 0x6) madvise(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x16) getpid() connect$unix(0xffffffffffffffff, &(0x7f000057eff8)=@abs={0x0, 0x0, 0xfffffffe}, 0x6e) sched_setscheduler(0x0, 0x2, 0x0) r1 = socket$kcm(0x2, 0x5, 0x0) sendmsg$inet(r1, &(0x7f00000004c0)={&(0x7f0000000080)={0x2, 0x0, @dev={0xac, 0x14, 0x14, 0xff}}, 0x300, &(0x7f0000000000)=[{&(0x7f0000000140)='\x00', 0x1}], 0x1}, 0x3e8) 1.18317622s ago: executing program 1 (id=1316): r0 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFQNL_MSG_CONFIG(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000004c0)=ANY=[@ANYBLOB="1c000000020303000000000000080000000000000800010001"], 0x1c}, 0x1, 0x0, 0x0, 0x400c000}, 0x0) r1 = socket$kcm(0x10, 0x2, 0x0) sendmsg$kcm(r1, &(0x7f0000000600)={0x0, 0x0, &(0x7f0000001740)=[{&(0x7f0000000040)="2e00000010008188040f80ec59acbc0413a1f8480f0000005e1406027fffffff0e000a0010000000", 0x28}, {&(0x7f0000000640)="ff1850830af1", 0x6}], 0x2}, 0x84) 768.895958ms ago: executing program 0 (id=1317): unshare(0x2c020400) syz_clone3(&(0x7f0000000140)={0x21040100, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x58) 640.220598ms ago: executing program 0 (id=1318): prlimit64(0x0, 0xe, 0x0, 0x0) getpid() connect$unix(0xffffffffffffffff, 0x0, 0x0) sendmmsg$unix(0xffffffffffffffff, 0x0, 0x0, 0x0) unshare(0x8000000) semget$private(0x0, 0x4000, 0x555) unshare(0x2c040000) 639.968604ms ago: executing program 1 (id=1319): r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x40, 0x16f) fchown(r0, 0x0, 0x0) 516.722126ms ago: executing program 0 (id=1320): r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x3, 0x3) ioctl$FS_IOC_GETFSLABEL(r0, 0x800452d3, 0x0) 499.887657ms ago: executing program 1 (id=1321): r0 = socket$kcm(0x2, 0x3, 0x2) ioctl$SIOCSIFHWADDR(r0, 0x8914, &(0x7f0000000040)={'dummy0\x00', @remote}) 338.069016ms ago: executing program 0 (id=1322): r0 = socket$rxrpc(0x21, 0x2, 0xa) connect$rxrpc(r0, &(0x7f0000000000)=@in4={0x21, 0x1, 0x2, 0x10, {0x2, 0x4e21, @empty}}, 0x24) sendmsg$inet(r0, &(0x7f0000000180)={0x0, 0xfffffffffffffd6b, 0x0, 0x0, &(0x7f00000000c0)=[@ip_tos_int={{0x18, 0x110}}], 0x18, 0x4c00}, 0x0) 226.579319ms ago: executing program 0 (id=1323): prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000480)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0xfc409000) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs={0x0, 0x0, 0x4e24}, 0x6e) sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000000)=0x6) openat$binfmt_register(0xffffffffffffff9c, &(0x7f00000002c0), 0x1, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x7, 0x100}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) r3 = getpid() sched_setscheduler(r3, 0x2, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r4, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r5, &(0x7f0000000000), 0x651, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000000)=0x6) shmget(0x1, 0x4000, 0xa20, &(0x7f0000ffb000/0x4000)=nil) ioctl$BTRFS_IOC_GET_DEV_STATS(0xffffffffffffffff, 0xc4089434, 0x0) r6 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0) bind$bt_l2cap(r6, &(0x7f0000000000)={0x1f, 0x0, @any, 0x4, 0x1}, 0xe) listen(r6, 0x90004) syz_emit_vhci(&(0x7f0000000140)=ANY=[@ANYBLOB="043e130100c90001"], 0x16) accept(r6, &(0x7f0000000280)=@can, 0x0) r7 = socket(0x25, 0xa, 0x3) getsockopt$inet_sctp_SCTP_MAX_BURST(r7, 0x84, 0x14, &(0x7f0000000440)=@assoc_value, &(0x7f00000004c0)=0xffffffffffffff43) 180.51506ms ago: executing program 2 (id=1324): r0 = syz_open_dev$cec(&(0x7f0000000200), 0xffffffffffffffff, 0x4ae60) ioctl$CEC_ADAP_S_PHYS_ADDR(r0, 0x40026102, 0x0) 180.162642ms ago: executing program 3 (id=1325): r0 = socket$inet_tcp(0x2, 0x1, 0x0) bind$inet(r0, 0x0, 0x0) setsockopt$inet_tcp_int(r0, 0x6, 0x210000000013, &(0x7f00000000c0)=0x100000001, 0x4) setsockopt$inet_tcp_TCP_REPAIR_QUEUE(r0, 0x6, 0x14, &(0x7f0000000140)=0x2, 0x4) connect$inet(r0, &(0x7f0000000100)={0x2, 0x4e20, @local}, 0x10) setsockopt$inet_tcp_TCP_REPAIR_OPTIONS(r0, 0x6, 0x16, 0x0, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, 0x0, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000200)=0x7) r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000040), 0x200, 0x0) write$6lowpan_enable(r2, &(0x7f0000000080)='1', 0x1) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r3, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r4, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r3, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000000)=0x6) openat$ttyS3(0xffffffffffffff9c, 0x0, 0x280380, 0x0) recvmmsg(0xffffffffffffffff, 0x0, 0x0, 0x40012142, 0x0) timer_gettime(0x0, &(0x7f0000000280)) setsockopt$inet_tcp_TCP_REPAIR(r0, 0x6, 0x13, &(0x7f00000001c0), 0x4) sendto$inet(r0, &(0x7f00000004c0)='<', 0x381, 0x805, 0x0, 0x0) 67.497961ms ago: executing program 1 (id=1326): mkdirat(0xffffffffffffff9c, &(0x7f0000000440)='./file0\x00', 0x0) r0 = openat$fuse(0xffffffffffffff9c, &(0x7f0000000000), 0x42, 0x0) mount$fuse(0x0, &(0x7f00000020c0)='./file0\x00', &(0x7f0000002100), 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='fd=', @ANYRESHEX=r0, @ANYBLOB=',rootmode=00000000000000000040000,user_id=', @ANYRESDEC=0x0, @ANYBLOB=',group_id=', @ANYRESDEC=0x0]) read$FUSE(r0, &(0x7f00000021c0)={0x2020, 0x0, 0x0, 0x0, 0x0}, 0x2020) write$FUSE_INIT(r0, &(0x7f0000000100)={0x50, 0x0, r1, {0x7, 0x2b, 0x0, 0x42ca0000, 0x0, 0x0, 0x7, 0xa15, 0x0, 0x0, 0x1}}, 0x50) mkdirat(0xffffffffffffff9c, &(0x7f0000000900)='./file0/file0\x00', 0x62) syz_fuse_handle_req(r0, &(0x7f0000004200)="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", 0x2000, &(0x7f0000000940)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f00000001c0)={0x90, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, {0x0, 0x0, 0xa6, 0x400000000, 0x1000, 0x0, 0x0, 0x100, 0x6, 0x1000, 0x0, 0x0, 0x0, 0x0, 0x1}}}, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_fuse_handle_req(r0, 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", 0x2000, &(0x7f0000000bc0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f00000005c0)={0x90, 0x0, 0x4, {0xffffffffefffffff, 0x3, 0x1000000, 0xffffffffffffff76, 0x3fc, 0x7ff, {0x400000400006, 0x4, 0x12000000000000, 0xffffffffffffffff, 0x8, 0x58b, 0x2, 0x0, 0x660, 0x2000, 0x0, r2, r3, 0x1, 0x80000004}}}, 0x0, 0x0, 0x0, 0x0, 0x0}) 0s ago: executing program 1 (id=1327): ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000280)={'syzkaller0\x00', 0x7101}) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nl802154(&(0x7f0000000140), r0) ioctl$sock_SIOCGIFINDEX_802154(r0, 0x8933, &(0x7f0000000180)={'wpan1\x00', 0x0}) r3 = socket$inet6_sctp(0xa, 0x5, 0x84) prlimit64(0x0, 0xe, &(0x7f0000000140)={0xb, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) r4 = getpid() sched_setscheduler(r4, 0x1, &(0x7f0000000300)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r5, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r6, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r5, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000000)=0x6) connect$pptp(0xffffffffffffffff, 0x0, 0x0) getsockopt$inet_sctp6_SCTP_PRIMARY_ADDR(r3, 0x84, 0x7a, 0x0, 0x0) sendmsg$NL802154_CMD_SET_CCA_MODE(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000600)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="01002abd7000fcdbdf250d00000008000300", @ANYRES32=r2], 0x1c}, 0x1, 0x0, 0x0, 0x20000000}, 0x8080) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(0x0, r7) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, 0x0) socket$nl_route(0x10, 0x3, 0x0) kernel console output (not intermixed with test programs): e= 0.00 [ 227.741716][ T822] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 227.815946][ T822] usb 3-1: config 0 descriptor?? [ 227.998107][ T7796] FAULT_INJECTION: forcing a failure. [ 227.998107][ T7796] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 227.998148][ T7796] CPU: 0 UID: 0 PID: 7796 Comm: syz.1.750 Tainted: G L syzkaller #0 PREEMPT_{RT,(full)} [ 227.998181][ T7796] Tainted: [L]=SOFTLOCKUP [ 227.998189][ T7796] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 227.998203][ T7796] Call Trace: [ 227.998211][ T7796] [ 227.998221][ T7796] dump_stack_lvl+0xe8/0x150 [ 227.998254][ T7796] should_fail_ex+0x46b/0x600 [ 227.998300][ T7796] _copy_from_user+0x2d/0xb0 [ 227.998330][ T7796] copy_from_sockptr+0x5e/0x90 [ 227.998367][ T7796] do_ip_setsockopt+0x1ee1/0x2ea0 [ 227.998410][ T7796] ? __pfx_do_ip_setsockopt+0x10/0x10 [ 227.998443][ T7796] ? aa_sk_perm+0x703/0x950 [ 227.998469][ T7796] ? __fget_files+0x2a/0x420 [ 227.998507][ T7796] ? __pfx_aa_sk_perm+0x10/0x10 [ 227.998536][ T7796] ? aa_sock_opt_perm+0x131/0x1f0 [ 227.998569][ T7796] ip_setsockopt+0x66/0x110 [ 227.998601][ T7796] ? __pfx_sock_common_setsockopt+0x10/0x10 [ 227.998633][ T7796] do_sock_setsockopt+0x17c/0x1b0 [ 227.998673][ T7796] __x64_sys_setsockopt+0x143/0x1b0 [ 227.998711][ T7796] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 227.998737][ T7796] do_syscall_64+0x15f/0xf80 [ 227.998774][ T7796] ? clear_bhb_loop+0x40/0x90 [ 227.998802][ T7796] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 227.998826][ T7796] RIP: 0033:0x7f60c272ce59 [ 227.998847][ T7796] 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 [ 227.998867][ T7796] RSP: 002b:00007f60c0986028 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 227.998891][ T7796] RAX: ffffffffffffffda RBX: 00007f60c29a5fa0 RCX: 00007f60c272ce59 [ 227.998908][ T7796] RDX: 0000000000000024 RSI: 0000000000000000 RDI: 0000000000000003 [ 227.998921][ T7796] RBP: 00007f60c0986090 R08: 000000000000000c R09: 0000000000000000 [ 227.998945][ T7796] R10: 0000200000000440 R11: 0000000000000246 R12: 0000000000000001 [ 227.998959][ T7796] R13: 00007f60c29a6038 R14: 00007f60c29a5fa0 R15: 00007ffc5b994e98 [ 227.998995][ T7796] [ 228.503716][ T822] usbhid 3-1:0.0: can't add hid device: -71 [ 228.503843][ T822] usbhid 3-1:0.0: probe with driver usbhid failed with error -71 [ 228.544445][ T822] usb 3-1: USB disconnect, device number 41 [ 228.854851][ T7817] FAULT_INJECTION: forcing a failure. [ 228.854851][ T7817] name failslab, interval 1, probability 0, space 0, times 0 [ 228.854881][ T7817] CPU: 1 UID: 0 PID: 7817 Comm: syz.1.758 Tainted: G L syzkaller #0 PREEMPT_{RT,(full)} [ 228.854911][ T7817] Tainted: [L]=SOFTLOCKUP [ 228.854916][ T7817] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 228.854927][ T7817] Call Trace: [ 228.854933][ T7817] [ 228.854940][ T7817] dump_stack_lvl+0xe8/0x150 [ 228.854964][ T7817] should_fail_ex+0x46b/0x600 [ 228.854995][ T7817] should_failslab+0xa8/0x100 [ 228.855012][ T7817] __kmalloc_noprof+0xdf/0x7b0 [ 228.855063][ T7817] ? kfree+0x4d/0x6c0 [ 228.855094][ T7817] ? tomoyo_realpath_from_path+0xe3/0x5d0 [ 228.855132][ T7817] tomoyo_realpath_from_path+0xe3/0x5d0 [ 228.855167][ T7817] ? tomoyo_domain+0xd7/0x130 [ 228.855198][ T7817] ? tomoyo_path_number_perm+0x219/0x630 [ 228.855215][ T7817] tomoyo_path_number_perm+0x246/0x630 [ 228.855234][ T7817] ? __pfx_tomoyo_path_number_perm+0x10/0x10 [ 228.855249][ T7817] ? __lock_acquire+0x6b5/0x2d10 [ 228.855269][ T7817] ? do_raw_spin_lock+0x12b/0x2f0 [ 228.855316][ T7817] ? __fget_files+0x2a/0x420 [ 228.855340][ T7817] ? __fget_files+0x2a/0x420 [ 228.855361][ T7817] ? __fget_files+0x3a6/0x420 [ 228.855382][ T7817] ? __fget_files+0x2a/0x420 [ 228.855409][ T7817] security_file_ioctl+0xc3/0x2a0 [ 228.855436][ T7817] __se_sys_ioctl+0x47/0x170 [ 228.855453][ T7817] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 228.855471][ T7817] do_syscall_64+0x15f/0xf80 [ 228.855496][ T7817] ? clear_bhb_loop+0x40/0x90 [ 228.855516][ T7817] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 228.855532][ T7817] RIP: 0033:0x7f60c272ce59 [ 228.855546][ T7817] 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 [ 228.855560][ T7817] RSP: 002b:00007f60c0986028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 228.855577][ T7817] RAX: ffffffffffffffda RBX: 00007f60c29a5fa0 RCX: 00007f60c272ce59 [ 228.855590][ T7817] RDX: 0000200000005700 RSI: 000000004080aebf RDI: 0000000000000005 [ 228.855601][ T7817] RBP: 00007f60c0986090 R08: 0000000000000000 R09: 0000000000000000 [ 228.855611][ T7817] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 228.855620][ T7817] R13: 00007f60c29a6038 R14: 00007f60c29a5fa0 R15: 00007ffc5b994e98 [ 228.855644][ T7817] [ 228.855651][ T7817] ERROR: Out of memory at tomoyo_realpath_from_path. [ 229.317980][ T7825] FAULT_INJECTION: forcing a failure. [ 229.317980][ T7825] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 229.318020][ T7825] CPU: 0 UID: 0 PID: 7825 Comm: syz.2.762 Tainted: G L syzkaller #0 PREEMPT_{RT,(full)} [ 229.318053][ T7825] Tainted: [L]=SOFTLOCKUP [ 229.318061][ T7825] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 229.318074][ T7825] Call Trace: [ 229.318083][ T7825] [ 229.318092][ T7825] dump_stack_lvl+0xe8/0x150 [ 229.318124][ T7825] should_fail_ex+0x46b/0x600 [ 229.318166][ T7825] _copy_from_iter+0x1d3/0x1670 [ 229.318199][ T7825] ? trace_kmem_cache_alloc+0x29/0xe0 [ 229.318233][ T7825] ? __alloc_skb+0x27d/0x7d0 [ 229.318263][ T7825] ? __pfx__copy_from_iter+0x10/0x10 [ 229.318287][ T7825] ? kmem_cache_alloc_node_noprof+0x27c/0x6e0 [ 229.318322][ T7825] ? __alloc_skb+0x27d/0x7d0 [ 229.318366][ T7825] ? netlink_sendmsg+0x650/0xb40 [ 229.318404][ T7825] ? skb_put+0x11b/0x210 [ 229.318439][ T7825] netlink_sendmsg+0x6c0/0xb40 [ 229.318485][ T7825] ? __pfx_netlink_sendmsg+0x10/0x10 [ 229.318524][ T7825] ? tomoyo_socket_sendmsg_permission+0x1e0/0x300 [ 229.318559][ T7825] ? aa_sock_msg_perm+0x122/0x200 [ 229.318588][ T7825] ? __pfx_netlink_sendmsg+0x10/0x10 [ 229.318622][ T7825] sock_sendmsg_nosec+0x112/0x150 [ 229.318651][ T7825] ____sys_sendmsg+0x55c/0x870 [ 229.318691][ T7825] ? __pfx_____sys_sendmsg+0x10/0x10 [ 229.318735][ T7825] ? import_iovec+0x73/0xa0 [ 229.318767][ T7825] ___sys_sendmsg+0x2a5/0x360 [ 229.318801][ T7825] ? __lock_acquire+0x6b5/0x2d10 [ 229.318829][ T7825] ? __pfx____sys_sendmsg+0x10/0x10 [ 229.318900][ T7825] ? __fget_files+0x2a/0x420 [ 229.318930][ T7825] ? __fget_files+0x3a6/0x420 [ 229.318971][ T7825] __x64_sys_sendmsg+0x1c3/0x2a0 [ 229.319009][ T7825] ? __pfx___x64_sys_sendmsg+0x10/0x10 [ 229.319054][ T7825] ? __pfx_ksys_write+0x10/0x10 [ 229.319084][ T7825] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 229.319110][ T7825] do_syscall_64+0x15f/0xf80 [ 229.319142][ T7825] ? trace_irq_disable+0x3b/0x140 [ 229.319176][ T7825] ? clear_bhb_loop+0x40/0x90 [ 229.319204][ T7825] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 229.319227][ T7825] RIP: 0033:0x7fd52361ce59 [ 229.319247][ T7825] 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 [ 229.319268][ T7825] RSP: 002b:00007fd52186e028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 229.319292][ T7825] RAX: ffffffffffffffda RBX: 00007fd523895fa0 RCX: 00007fd52361ce59 [ 229.319309][ T7825] RDX: 0000000000000000 RSI: 0000200000000000 RDI: 0000000000000004 [ 229.319323][ T7825] RBP: 00007fd52186e090 R08: 0000000000000000 R09: 0000000000000000 [ 229.319337][ T7825] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 229.319357][ T7825] R13: 00007fd523896038 R14: 00007fd523895fa0 R15: 00007ffc3bb77c38 [ 229.319392][ T7825] [ 230.032374][ T5742] usb 3-1: new high-speed USB device number 42 using dummy_hcd [ 230.214149][ T5742] usb 3-1: config 0 interface 0 altsetting 0 bulk endpoint 0x6 has invalid maxpacket 1023 [ 230.214188][ T5742] usb 3-1: config 0 interface 0 altsetting 0 has an endpoint descriptor with address 0xBA, changing to 0x8A [ 230.214220][ T5742] usb 3-1: config 0 interface 0 altsetting 0 bulk endpoint 0x8A has invalid maxpacket 121 [ 230.217536][ T5742] usb 3-1: New USB device found, idVendor=2294, idProduct=425b, bcdDevice=a2.10 [ 230.217573][ T5742] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 230.217599][ T5742] usb 3-1: Product: syz [ 230.217617][ T5742] usb 3-1: Manufacturer: syz [ 230.217635][ T5742] usb 3-1: SerialNumber: syz [ 230.299612][ T5742] usb 3-1: config 0 descriptor?? [ 230.301939][ T7830] raw-gadget.0 gadget.2: fail, usb_ep_enable returned -22 [ 230.302162][ T7830] raw-gadget.0 gadget.2: fail, usb_ep_enable returned -22 [ 230.335726][ T5742] usb 3-1: ucan: probing device on interface #0 [ 230.515041][ T5742] usb 3-1: ucan: could not read protocol version, ret=0 [ 230.515070][ T5742] usb 3-1: ucan: probe failed; try to update the device firmware [ 230.720130][ T7854] FAULT_INJECTION: forcing a failure. [ 230.720130][ T7854] name failslab, interval 1, probability 0, space 0, times 0 [ 230.720162][ T7854] CPU: 1 UID: 0 PID: 7854 Comm: syz.1.775 Tainted: G L syzkaller #0 PREEMPT_{RT,(full)} [ 230.720187][ T7854] Tainted: [L]=SOFTLOCKUP [ 230.720193][ T7854] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 230.720214][ T7854] Call Trace: [ 230.720221][ T7854] [ 230.720229][ T7854] dump_stack_lvl+0xe8/0x150 [ 230.720255][ T7854] should_fail_ex+0x46b/0x600 [ 230.720288][ T7854] should_failslab+0xa8/0x100 [ 230.720307][ T7854] __kmalloc_noprof+0xdf/0x7b0 [ 230.720335][ T7854] ? tomoyo_encode+0x28b/0x550 [ 230.720362][ T7854] tomoyo_encode+0x28b/0x550 [ 230.720389][ T7854] tomoyo_realpath_from_path+0x58d/0x5d0 [ 230.720422][ T7854] tomoyo_mount_permission+0x3e8/0x9d0 [ 230.720447][ T7854] ? tomoyo_mount_permission+0x2b3/0x9d0 [ 230.720468][ T7854] ? __pfx_tomoyo_mount_permission+0x10/0x10 [ 230.720532][ T7854] security_sb_mount+0xe4/0x320 [ 230.720557][ T7854] path_mount+0xbc/0x10e0 [ 230.720581][ T7854] ? user_path_at+0xd4/0x160 [ 230.720611][ T7854] ? user_path_at+0xd4/0x160 [ 230.720640][ T7854] __se_sys_mount+0x31d/0x420 [ 230.720669][ T7854] ? __pfx___se_sys_mount+0x10/0x10 [ 230.720698][ T7854] ? __x64_sys_mount+0x20/0xc0 [ 230.720724][ T7854] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 230.720743][ T7854] do_syscall_64+0x15f/0xf80 [ 230.720768][ T7854] ? trace_irq_disable+0x3b/0x140 [ 230.720796][ T7854] ? clear_bhb_loop+0x40/0x90 [ 230.720818][ T7854] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 230.720835][ T7854] RIP: 0033:0x7f60c272ce59 [ 230.720852][ T7854] 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 [ 230.720868][ T7854] RSP: 002b:00007f60c0986028 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 230.720887][ T7854] RAX: ffffffffffffffda RBX: 00007f60c29a5fa0 RCX: 00007f60c272ce59 [ 230.720900][ T7854] RDX: 0000200000000b80 RSI: 0000200000000240 RDI: 0000000000000000 [ 230.720912][ T7854] RBP: 00007f60c0986090 R08: 0000200000000000 R09: 0000000000000000 [ 230.720923][ T7854] R10: 0000000000000008 R11: 0000000000000246 R12: 0000000000000001 [ 230.720933][ T7854] R13: 00007f60c29a6038 R14: 00007f60c29a5fa0 R15: 00007ffc5b994e98 [ 230.720960][ T7854] [ 230.720978][ T7854] ERROR: Out of memory at tomoyo_realpath_from_path. [ 231.020300][ T5742] usb 3-1: USB disconnect, device number 42 [ 231.338140][ T60] Bluetooth: hci0: unexpected event 0x2f length: 509 > 260 [ 231.602285][ T5742] usb 1-1: new high-speed USB device number 48 using dummy_hcd [ 231.754766][ T5742] usb 1-1: Using ep0 maxpacket: 8 [ 231.770372][ T5742] usb 1-1: config 4 has an invalid interface number: 121 but max is 1 [ 231.770403][ T5742] usb 1-1: config 4 has an invalid interface number: 215 but max is 1 [ 231.770426][ T5742] usb 1-1: config 4 has an invalid interface number: 124 but max is 1 [ 231.770449][ T5742] usb 1-1: config 4 has 3 interfaces, different from the descriptor's value: 2 [ 231.770471][ T5742] usb 1-1: config 4 has no interface number 0 [ 231.770489][ T5742] usb 1-1: config 4 has no interface number 1 [ 231.770506][ T5742] usb 1-1: config 4 has no interface number 2 [ 231.770573][ T5742] usb 1-1: config 4 interface 121 altsetting 14 endpoint 0x85 has an invalid bInterval 241, changing to 7 [ 231.770603][ T5742] usb 1-1: config 4 interface 121 altsetting 14 endpoint 0x85 has invalid maxpacket 9414, setting to 1024 [ 231.770634][ T5742] usb 1-1: config 4 interface 121 altsetting 14 endpoint 0xF has invalid maxpacket 576, setting to 64 [ 231.770664][ T5742] usb 1-1: config 4 interface 121 altsetting 14 bulk endpoint 0x7 has invalid maxpacket 1024 [ 231.770689][ T5742] usb 1-1: config 4 interface 121 altsetting 14 has a duplicate endpoint with address 0x7, skipping [ 231.770714][ T5742] usb 1-1: config 4 interface 121 altsetting 14 has a duplicate endpoint with address 0x5, skipping [ 231.770739][ T5742] usb 1-1: config 4 interface 121 altsetting 14 has 6 endpoint descriptors, different from the interface descriptor's value: 5 [ 231.770782][ T5742] usb 1-1: config 4 interface 215 altsetting 6 has 2 endpoint descriptors, different from the interface descriptor's value: 3 [ 231.770811][ T5742] usb 1-1: too many endpoints for config 4 interface 124 altsetting 12: 120, using maximum allowed: 30 [ 231.770852][ T5742] usb 1-1: config 4 interface 124 altsetting 12 endpoint 0xC has invalid maxpacket 512, setting to 64 [ 231.770879][ T5742] usb 1-1: config 4 interface 124 altsetting 12 has 1 endpoint descriptor, different from the interface descriptor's value: 120 [ 231.770907][ T5742] usb 1-1: config 4 interface 121 has no altsetting 0 [ 231.770927][ T5742] usb 1-1: config 4 interface 215 has no altsetting 0 [ 231.770947][ T5742] usb 1-1: config 4 interface 124 has no altsetting 0 [ 232.032355][ T7883] FAULT_INJECTION: forcing a failure. [ 232.032355][ T7883] name failslab, interval 1, probability 0, space 0, times 0 [ 232.032390][ T7883] CPU: 0 UID: 0 PID: 7883 Comm: syz.1.786 Tainted: G L syzkaller #0 PREEMPT_{RT,(full)} [ 232.032416][ T7883] Tainted: [L]=SOFTLOCKUP [ 232.032422][ T7883] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 232.032433][ T7883] Call Trace: [ 232.032441][ T7883] [ 232.032448][ T7883] dump_stack_lvl+0xe8/0x150 [ 232.032474][ T7883] should_fail_ex+0x46b/0x600 [ 232.032508][ T7883] should_failslab+0xa8/0x100 [ 232.032528][ T7883] kmem_cache_alloc_node_noprof+0x8f/0x6e0 [ 232.032558][ T7883] ? __alloc_skb+0x1d0/0x7d0 [ 232.032581][ T7883] ? lockdep_hardirqs_on+0x7a/0x110 [ 232.032612][ T7883] __alloc_skb+0x1d0/0x7d0 [ 232.032636][ T7883] ? netlink_ack_tlv_len+0x6c/0x210 [ 232.032666][ T7883] netlink_ack+0x146/0xa50 [ 232.032693][ T7883] ? __pfx_genl_rcv_msg+0x10/0x10 [ 232.032730][ T7883] netlink_rcv_skb+0x2b6/0x4b0 [ 232.032758][ T7883] ? __pfx_genl_rcv_msg+0x10/0x10 [ 232.032780][ T7883] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 232.032816][ T7883] ? netlink_deliver_tap+0x2e/0x1b0 [ 232.032843][ T7883] ? netlink_deliver_tap+0x2e/0x1b0 [ 232.032874][ T7883] genl_rcv+0x28/0x40 [ 232.032893][ T7883] netlink_unicast+0x780/0x920 [ 232.032929][ T7883] netlink_sendmsg+0x813/0xb40 [ 232.032967][ T7883] ? __pfx_netlink_sendmsg+0x10/0x10 [ 232.032999][ T7883] ? tomoyo_socket_sendmsg_permission+0x1e0/0x300 [ 232.033030][ T7883] ? aa_sock_msg_perm+0x122/0x200 [ 232.033070][ T7883] ? __pfx_netlink_sendmsg+0x10/0x10 [ 232.033100][ T7883] sock_sendmsg_nosec+0x112/0x150 [ 232.033126][ T7883] ____sys_sendmsg+0x55c/0x870 [ 232.033163][ T7883] ? __pfx_____sys_sendmsg+0x10/0x10 [ 232.033200][ T7883] ? import_iovec+0x73/0xa0 [ 232.033228][ T7883] ___sys_sendmsg+0x2a5/0x360 [ 232.033257][ T7883] ? __lock_acquire+0x6b5/0x2d10 [ 232.033287][ T7883] ? __pfx____sys_sendmsg+0x10/0x10 [ 232.033361][ T7883] ? __fget_files+0x2a/0x420 [ 232.033394][ T7883] ? __fget_files+0x3a6/0x420 [ 232.033433][ T7883] __x64_sys_sendmsg+0x1c3/0x2a0 [ 232.033470][ T7883] ? __pfx___x64_sys_sendmsg+0x10/0x10 [ 232.033515][ T7883] ? __pfx_ksys_write+0x10/0x10 [ 232.033545][ T7883] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 232.033571][ T7883] do_syscall_64+0x15f/0xf80 [ 232.033602][ T7883] ? trace_irq_disable+0x3b/0x140 [ 232.033637][ T7883] ? clear_bhb_loop+0x40/0x90 [ 232.033666][ T7883] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 232.033688][ T7883] RIP: 0033:0x7f60c272ce59 [ 232.033709][ T7883] 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 [ 232.033730][ T7883] RSP: 002b:00007f60c0986028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 232.033754][ T7883] RAX: ffffffffffffffda RBX: 00007f60c29a5fa0 RCX: 00007f60c272ce59 [ 232.033771][ T7883] RDX: 0000000004040000 RSI: 0000200000000d80 RDI: 0000000000000004 [ 232.033786][ T7883] RBP: 00007f60c0986090 R08: 0000000000000000 R09: 0000000000000000 [ 232.033801][ T7883] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 232.033814][ T7883] R13: 00007f60c29a6038 R14: 00007f60c29a5fa0 R15: 00007ffc5b994e98 [ 232.033849][ T7883] [ 232.558846][ T7885] netlink: 12 bytes leftover after parsing attributes in process `syz.2.788'. [ 232.559064][ T7885] openvswitch: netlink: Missing key (keys=40, expected=200000) [ 233.074214][ T7903] netlink: 8 bytes leftover after parsing attributes in process `syz.2.794'. [ 233.074252][ T7903] netlink: 8 bytes leftover after parsing attributes in process `syz.2.794'. [ 233.330849][ T7908] FAULT_INJECTION: forcing a failure. [ 233.330849][ T7908] name failslab, interval 1, probability 0, space 0, times 0 [ 233.330901][ T7908] CPU: 0 UID: 0 PID: 7908 Comm: syz.1.796 Tainted: G L syzkaller #0 PREEMPT_{RT,(full)} [ 233.330932][ T7908] Tainted: [L]=SOFTLOCKUP [ 233.330940][ T7908] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 233.330954][ T7908] Call Trace: [ 233.330963][ T7908] [ 233.330973][ T7908] dump_stack_lvl+0xe8/0x150 [ 233.331008][ T7908] should_fail_ex+0x46b/0x600 [ 233.331052][ T7908] should_failslab+0xa8/0x100 [ 233.331076][ T7908] kmem_cache_alloc_node_noprof+0x8f/0x6e0 [ 233.331110][ T7908] ? zswap_store+0xc23/0x2000 [ 233.331144][ T7908] zswap_store+0xc23/0x2000 [ 233.331175][ T7908] ? zswap_store+0x764/0x2000 [ 233.331216][ T7908] ? __pfx_zswap_store+0x10/0x10 [ 233.331244][ T7908] ? folio_free_swap+0x3f7/0x8b0 [ 233.331281][ T7908] ? folio_free_swap+0x747/0x8b0 [ 233.331317][ T7908] ? folio_free_swap+0x3f7/0x8b0 [ 233.331355][ T7908] swap_writeout+0x60f/0xd10 [ 233.331392][ T7908] shmem_writeout+0xe97/0x1150 [ 233.331440][ T7908] ? __pfx_shmem_writeout+0x10/0x10 [ 233.331481][ T7908] ? folio_clear_dirty_for_io+0x177/0x700 [ 233.331522][ T7908] shrink_folio_list+0x331b/0x53c0 [ 233.331576][ T7908] ? __pfx_shrink_folio_list+0x10/0x10 [ 233.331600][ T7908] ? __enqueue_entity+0x673/0xb70 [ 233.331623][ T7908] ? update_cfs_rq_load_avg+0x3fb/0x4e0 [ 233.331649][ T7908] ? update_load_avg+0x1b0/0x1eb0 [ 233.331690][ T7908] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 233.331719][ T7908] ? lockdep_hardirqs_on+0x7a/0x110 [ 233.331746][ T7908] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 233.331789][ T7908] reclaim_folio_list+0x100/0x430 [ 233.331831][ T7908] ? __pfx_reclaim_folio_list+0x10/0x10 [ 233.331868][ T7908] reclaim_pages+0x45b/0x530 [ 233.331905][ T7908] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 233.331938][ T7908] ? __pfx_reclaim_pages+0x10/0x10 [ 233.331974][ T7908] madvise_cold_or_pageout_pte_range+0x16dd/0x1920 [ 233.332019][ T7908] ? __pfx_madvise_cold_or_pageout_pte_range+0x10/0x10 [ 233.332050][ T7908] ? is_bpf_text_address+0x26/0x2b0 [ 233.332077][ T7908] walk_pgd_range+0xed8/0x1ce0 [ 233.332138][ T7908] ? __pfx_walk_pgd_range+0x10/0x10 [ 233.332175][ T7908] __walk_page_range+0x17c/0x750 [ 233.332210][ T7908] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 233.332246][ T7908] walk_page_range_vma_unsafe+0x309/0x410 [ 233.332280][ T7908] ? __pfx_walk_page_range_vma_unsafe+0x10/0x10 [ 233.332308][ T7908] ? rt_spin_unlock+0x14f/0x200 [ 233.332334][ T7908] ? rt_spin_unlock+0x160/0x200 [ 233.332356][ T7908] ? walk_page_range_vma+0x6b/0x90 [ 233.332383][ T7908] madvise_vma_behavior+0x287f/0x4250 [ 233.332414][ T7908] ? __pfx_madvise_vma_behavior+0x10/0x10 [ 233.332433][ T7908] ? __lock_acquire+0x6b5/0x2d10 [ 233.332456][ T7908] ? __lock_acquire+0x6b5/0x2d10 [ 233.332478][ T7908] ? tomoyo_check_open_permission+0x1d3/0x470 [ 233.332507][ T7908] ? __lock_acquire+0x6b5/0x2d10 [ 233.332531][ T7908] ? __lock_acquire+0x6b5/0x2d10 [ 233.332552][ T7908] ? __lock_acquire+0x6b5/0x2d10 [ 233.332579][ T7908] ? unwind_next_frame+0xa6/0x2550 [ 233.332631][ T7908] ? mas_prev_slot+0xb7e/0xc00 [ 233.332669][ T7908] ? find_vma_prev+0x123/0x1b0 [ 233.332699][ T7908] ? __pfx_find_vma_prev+0x10/0x10 [ 233.332733][ T7908] ? __lock_acquire+0x6b5/0x2d10 [ 233.332760][ T7908] madvise_walk_vmas+0x573/0xae0 [ 233.332792][ T7908] ? __pfx_madvise_walk_vmas+0x10/0x10 [ 233.332818][ T7908] ? blk_start_plug+0x6e/0x1b0 [ 233.332839][ T7908] madvise_do_behavior+0x386/0x540 [ 233.332865][ T7908] ? __pfx_madvise_do_behavior+0x10/0x10 [ 233.332884][ T7908] ? down_read+0x156/0x200 [ 233.332944][ T7908] do_madvise+0x26f/0x330 [ 233.332971][ T7908] ? __pfx_do_madvise+0x10/0x10 [ 233.333002][ T7908] ? __pfx_ksys_write+0x10/0x10 [ 233.333025][ T7908] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 233.333046][ T7908] __x64_sys_madvise+0xa6/0xc0 [ 233.333068][ T7908] do_syscall_64+0x15f/0xf80 [ 233.333097][ T7908] ? trace_irq_disable+0x3b/0x140 [ 233.333127][ T7908] ? clear_bhb_loop+0x40/0x90 [ 233.333148][ T7908] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 233.333165][ T7908] RIP: 0033:0x7f60c272ce59 [ 233.333183][ T7908] 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 [ 233.333199][ T7908] RSP: 002b:00007f60c0965028 EFLAGS: 00000246 ORIG_RAX: 000000000000001c [ 233.333218][ T7908] RAX: ffffffffffffffda RBX: 00007f60c29a6090 RCX: 00007f60c272ce59 [ 233.333231][ T7908] RDX: 0000000000000015 RSI: 0000000000600003 RDI: 0000200000000000 [ 233.333243][ T7908] RBP: 00007f60c0965090 R08: 0000000000000000 R09: 0000000000000000 [ 233.333254][ T7908] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 233.333264][ T7908] R13: 00007f60c29a6128 R14: 00007f60c29a6090 R15: 00007ffc5b994e98 [ 233.333292][ T7908] [ 233.370818][ T5707] usb 3-1: new high-speed USB device number 43 using dummy_hcd [ 233.854449][ T5707] usb 3-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 233.854544][ T5707] usb 3-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0 [ 233.854574][ T5707] usb 3-1: New USB device found, idVendor=046d, idProduct=c53f, bcdDevice= 0.00 [ 233.854591][ T5707] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 233.911559][ T5707] usb 3-1: config 0 descriptor?? [ 234.126878][ T7903] netlink: 'syz.2.794': attribute type 29 has an invalid length. [ 234.400913][ T5707] hid_parser_main: 66 callbacks suppressed [ 234.400938][ T5707] logitech-djreceiver 0003:046D:C53F.0019: unknown main item tag 0x6 [ 234.401029][ T5707] logitech-djreceiver 0003:046D:C53F.0019: item fetching failed at offset 6/7 [ 234.403140][ T5707] logitech-djreceiver 0003:046D:C53F.0019: logi_dj_probe: parse failed [ 234.403444][ T5707] logitech-djreceiver 0003:046D:C53F.0019: probe with driver logitech-djreceiver failed with error -22 [ 234.457449][ T5742] usb 1-1: string descriptor 0 read error: -71 [ 234.457731][ T5742] usb 1-1: New USB device found, idVendor=19d2, idProduct=1092, bcdDevice=52.55 [ 234.457759][ T5742] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 234.532395][ T5742] usb 1-1: can't set config #4, error -71 [ 234.548769][ T5742] usb 1-1: USB disconnect, device number 48 [ 234.580669][ T7903] UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy [ 234.589448][ T7903] misc raw-gadget: fail, usb_gadget_register_driver returned -16 [ 234.612502][ T5722] usb 3-1: USB disconnect, device number 43 [ 235.063036][ T9] usb 4-1: new high-speed USB device number 35 using dummy_hcd [ 235.252166][ T9] usb 4-1: config 1 has an invalid interface number: 7 but max is 0 [ 235.252197][ T9] usb 4-1: config 1 has no interface number 0 [ 235.252244][ T9] usb 4-1: config 1 interface 7 altsetting 0 has an endpoint descriptor with address 0xDB, changing to 0x8B [ 235.252273][ T9] usb 4-1: config 1 interface 7 altsetting 0 bulk endpoint 0x8B has invalid maxpacket 64 [ 235.252301][ T9] usb 4-1: config 1 interface 7 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 235.261684][ T9] usb 4-1: New USB device found, idVendor=1199, idProduct=68a3, bcdDevice= 0.00 [ 235.261716][ T9] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 235.261740][ T9] usb 4-1: Product: syz [ 235.261757][ T9] usb 4-1: Manufacturer: syz [ 235.261773][ T9] usb 4-1: SerialNumber: syz [ 235.353914][ T7918] raw-gadget.0 gadget.3: fail, usb_ep_enable returned -22 [ 235.452149][ T5742] usb 1-1: new high-speed USB device number 49 using dummy_hcd [ 235.557015][ T7918] raw-gadget.0 gadget.3: fail, usb_ep_enable returned -22 [ 235.604790][ T5742] usb 1-1: config index 0 descriptor too short (expected 37906, got 18) [ 235.604823][ T5742] usb 1-1: config 0 has too many interfaces: 103, using maximum allowed: 32 [ 235.604847][ T5742] usb 1-1: config 0 has 1 interface, different from the descriptor's value: 103 [ 235.637762][ T5742] usb 1-1: New USB device found, idVendor=0000, idProduct=0000, bcdDevice= 0.00 [ 235.637857][ T5742] usb 1-1: New USB device strings: Mfr=2, Product=79, SerialNumber=3 [ 235.637881][ T5742] usb 1-1: Product: syz [ 235.637897][ T5742] usb 1-1: Manufacturer: syz [ 235.637921][ T5742] usb 1-1: SerialNumber: syz [ 235.695476][ T5742] usb 1-1: config 0 descriptor?? [ 235.711590][ T5742] hub 1-1:0.0: bad descriptor, ignoring hub [ 235.711624][ T5742] hub 1-1:0.0: probe with driver hub failed with error -5 [ 235.731498][ T5742] gspca_main: spca501-2.14.0 probing 0000:0000 [ 235.817386][ T9] sierra_net 4-1:1.7 wwan0: register 'sierra_net' at usb-dummy_hcd.3-1, Sierra Wireless USB-to-WWAN Modem, 00:00:00:00:01:07 [ 235.974503][ T7918] UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy [ 235.976475][ T7918] misc raw-gadget: fail, usb_gadget_register_driver returned -16 [ 235.979861][ T9] sierra_net 4-1:1.7 wwan0: Submit SYNC failed -71 [ 235.979888][ T9] sierra_net 4-1:1.7 wwan0: Send SYNC failed, status -71 [ 236.014668][ T9] sierra_net 4-1:1.7 wwan0: Submit SYNC failed -71 [ 236.015235][ T9] sierra_net 4-1:1.7 wwan0: Send SYNC failed, status -71 [ 236.074115][ T9] usb 4-1: USB disconnect, device number 35 [ 236.105044][ T9] sierra_net 4-1:1.7 wwan0: unregister 'sierra_net' usb-dummy_hcd.3-1, Sierra Wireless USB-to-WWAN Modem [ 236.272651][ T7938] netlink: 20 bytes leftover after parsing attributes in process `syz.0.811'. [ 236.287368][ T9] sierra_net 4-1:1.7 wwan0 (unregistered): usb_control_msg failed, status -19 [ 236.395304][ T5742] gspca_spca501: reg write: error -71 [ 236.395318][ T5742] spca501 1-1:0.0: Reg write failed for 0x02,0xa048,0x00 [ 236.395382][ T5742] spca501 1-1:0.0: probe with driver spca501 failed with error -22 [ 236.440096][ T5742] usb 1-1: USB disconnect, device number 49 [ 236.705246][ T7945] syz.2.813 (7945) used greatest stack depth: 17024 bytes left [ 236.745339][ T7962] comedi: No check for data length of config insn id 65287 is implemented [ 236.745360][ T7962] comedi: Add a check to check_insn_config_length in drivers/comedi/comedi_fops.c [ 236.745374][ T7962] comedi: Assuming n=42485 is correct [ 236.801353][ T7964] FAULT_INJECTION: forcing a failure. [ 236.801353][ T7964] name failslab, interval 1, probability 0, space 0, times 0 [ 236.801381][ T7964] CPU: 1 UID: 0 PID: 7964 Comm: syz.2.823 Tainted: G L syzkaller #0 PREEMPT_{RT,(full)} [ 236.801404][ T7964] Tainted: [L]=SOFTLOCKUP [ 236.801410][ T7964] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 236.801427][ T7964] Call Trace: [ 236.801434][ T7964] [ 236.801440][ T7964] dump_stack_lvl+0xe8/0x150 [ 236.801465][ T7964] should_fail_ex+0x46b/0x600 [ 236.801496][ T7964] should_failslab+0xa8/0x100 [ 236.801513][ T7964] __kmalloc_noprof+0xdf/0x7b0 [ 236.801538][ T7964] ? kfree+0x4d/0x6c0 [ 236.801560][ T7964] ? tomoyo_realpath_from_path+0xe3/0x5d0 [ 236.801586][ T7964] tomoyo_realpath_from_path+0xe3/0x5d0 [ 236.801608][ T7964] ? tomoyo_domain+0xd7/0x130 [ 236.801633][ T7964] ? tomoyo_path_number_perm+0x219/0x630 [ 236.801650][ T7964] tomoyo_path_number_perm+0x246/0x630 [ 236.801669][ T7964] ? __pfx_tomoyo_path_number_perm+0x10/0x10 [ 236.801684][ T7964] ? __lock_acquire+0x6b5/0x2d10 [ 236.801706][ T7964] ? do_raw_spin_lock+0x12b/0x2f0 [ 236.801754][ T7964] ? __fget_files+0x2a/0x420 [ 236.801778][ T7964] ? __fget_files+0x2a/0x420 [ 236.801802][ T7964] ? __fget_files+0x3a6/0x420 [ 236.801852][ T7964] ? __fget_files+0x2a/0x420 [ 236.801887][ T7964] security_file_ioctl+0xc3/0x2a0 [ 236.801930][ T7964] __se_sys_ioctl+0x47/0x170 [ 236.801946][ T7964] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 236.801963][ T7964] do_syscall_64+0x15f/0xf80 [ 236.801987][ T7964] ? trace_irq_disable+0x3b/0x140 [ 236.802013][ T7964] ? clear_bhb_loop+0x40/0x90 [ 236.802032][ T7964] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 236.802048][ T7964] RIP: 0033:0x7fd52361ce59 [ 236.802063][ T7964] 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 [ 236.802077][ T7964] RSP: 002b:00007fd52186e028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 236.802095][ T7964] RAX: ffffffffffffffda RBX: 00007fd523895fa0 RCX: 00007fd52361ce59 [ 236.802107][ T7964] RDX: 0000200000000040 RSI: 000000008090ae81 RDI: 0000000000000005 [ 236.802117][ T7964] RBP: 00007fd52186e090 R08: 0000000000000000 R09: 0000000000000000 [ 236.802128][ T7964] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 236.802137][ T7964] R13: 00007fd523896038 R14: 00007fd523895fa0 R15: 00007ffc3bb77c38 [ 236.802161][ T7964] [ 236.805461][ T7964] ERROR: Out of memory at tomoyo_realpath_from_path. [ 236.942313][ T5742] usb 2-1: new high-speed USB device number 31 using dummy_hcd [ 237.081959][ T5742] usb 2-1: device descriptor read/64, error -71 [ 237.324433][ T5742] usb 2-1: new high-speed USB device number 32 using dummy_hcd [ 237.452965][ T5742] usb 2-1: device descriptor read/64, error -71 [ 237.562503][ T5742] usb usb2-port1: attempt power cycle [ 237.671914][ T9] usb 1-1: new high-speed USB device number 50 using dummy_hcd [ 237.779877][ T1009] usb 3-1: new high-speed USB device number 44 using dummy_hcd [ 237.803258][ T9] usb 1-1: device descriptor read/64, error -71 [ 237.901972][ T5742] usb 2-1: new high-speed USB device number 33 using dummy_hcd [ 237.923904][ T5742] usb 2-1: device descriptor read/8, error -71 [ 237.942016][ T1009] usb 3-1: Using ep0 maxpacket: 8 [ 237.944782][ T1009] usb 3-1: config 168 has an invalid interface number: 255 but max is 0 [ 237.944811][ T1009] usb 3-1: config 168 has an invalid descriptor of length 0, skipping remainder of the config [ 237.944832][ T1009] usb 3-1: config 168 has no interface number 0 [ 237.944865][ T1009] usb 3-1: too many endpoints for config 168 interface 255 altsetting 255: 255, using maximum allowed: 30 [ 237.944919][ T1009] usb 3-1: config 168 interface 255 altsetting 255 has 0 endpoint descriptors, different from the interface descriptor's value: 255 [ 237.944951][ T1009] usb 3-1: config 168 interface 255 has no altsetting 0 [ 237.946733][ T1009] usb 3-1: config 168 has an invalid interface number: 255 but max is 0 [ 237.946761][ T1009] usb 3-1: config 168 has an invalid descriptor of length 0, skipping remainder of the config [ 237.946783][ T1009] usb 3-1: config 168 has no interface number 0 [ 237.946815][ T1009] usb 3-1: too many endpoints for config 168 interface 255 altsetting 255: 255, using maximum allowed: 30 [ 237.946856][ T1009] usb 3-1: config 168 interface 255 altsetting 255 has 0 endpoint descriptors, different from the interface descriptor's value: 255 [ 237.946885][ T1009] usb 3-1: config 168 interface 255 has no altsetting 0 [ 237.948982][ T1009] usb 3-1: config 168 has an invalid interface number: 255 but max is 0 [ 237.949009][ T1009] usb 3-1: config 168 has an invalid descriptor of length 0, skipping remainder of the config [ 237.949031][ T1009] usb 3-1: config 168 has no interface number 0 [ 237.949066][ T1009] usb 3-1: too many endpoints for config 168 interface 255 altsetting 255: 255, using maximum allowed: 30 [ 237.949109][ T1009] usb 3-1: config 168 interface 255 altsetting 255 has 0 endpoint descriptors, different from the interface descriptor's value: 255 [ 237.949141][ T1009] usb 3-1: config 168 interface 255 has no altsetting 0 [ 237.978349][ T1009] usb 3-1: New USB device found, idVendor=0a07, idProduct=0064, bcdDevice=40.6e [ 237.978383][ T1009] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 237.978405][ T1009] usb 3-1: Product: syz [ 237.978421][ T1009] usb 3-1: Manufacturer: syz [ 237.978437][ T1009] usb 3-1: SerialNumber: syz [ 238.180845][ T5742] usb 2-1: new high-speed USB device number 34 using dummy_hcd [ 238.190056][ T9] usb 1-1: new high-speed USB device number 51 using dummy_hcd [ 238.202520][ T5742] usb 2-1: device descriptor read/8, error -71 [ 238.323907][ T5742] usb usb2-port1: unable to enumerate USB device [ 238.351989][ T9] usb 1-1: device descriptor read/64, error -71 [ 238.384664][ T1009] adutux 3-1:168.255: interrupt endpoints not found [ 238.400036][ T1009] usb 3-1: USB disconnect, device number 44 [ 238.462744][ T9] usb usb1-port1: attempt power cycle [ 238.802782][ T9] usb 1-1: new high-speed USB device number 52 using dummy_hcd [ 238.824139][ T9] usb 1-1: device descriptor read/8, error -71 [ 239.061849][ T9] usb 1-1: new high-speed USB device number 53 using dummy_hcd [ 239.093632][ T9] usb 1-1: device descriptor read/8, error -71 [ 239.204705][ T9] usb usb1-port1: unable to enumerate USB device [ 240.832449][ T8042] netlink: 24 bytes leftover after parsing attributes in process `syz.3.854'. [ 240.899565][ T8044] ======================================================= [ 240.899565][ T8044] WARNING: The mand mount option has been deprecated and [ 240.899565][ T8044] and is ignored by this kernel. Remove the mand [ 240.899565][ T8044] option from the mount to silence this warning. [ 240.899565][ T8044] ======================================================= [ 241.192118][ T822] usb 1-1: new full-speed USB device number 54 using dummy_hcd [ 241.358975][ T822] usb 1-1: New USB device found, idVendor=0ccd, idProduct=00b3, bcdDevice=2d.ea [ 241.359023][ T822] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 241.359045][ T822] usb 1-1: Product: syz [ 241.359061][ T822] usb 1-1: Manufacturer: syz [ 241.359076][ T822] usb 1-1: SerialNumber: syz [ 241.445119][ T822] usb 1-1: config 0 descriptor?? [ 241.674066][ T9] usb 3-1: new high-speed USB device number 45 using dummy_hcd [ 241.698969][ T822] usb 1-1: dvb_usb_v2: found a 'TerraTec NOXON DAB Stick' in warm state [ 241.812123][ T9] usb 3-1: device descriptor read/64, error -71 [ 242.075993][ T9] usb 3-1: new high-speed USB device number 46 using dummy_hcd [ 242.113559][ T822] dvb_usb_rtl28xxu 1-1:0.0: probe with driver dvb_usb_rtl28xxu failed with error -71 [ 242.128727][ T822] usb 1-1: USB disconnect, device number 54 [ 242.214186][ T9] usb 3-1: device descriptor read/64, error -71 [ 242.345809][ T9] usb usb3-port1: attempt power cycle [ 242.701703][ T9] usb 3-1: new high-speed USB device number 47 using dummy_hcd [ 242.723525][ T9] usb 3-1: device descriptor read/8, error -71 [ 242.866911][ T8101] FAULT_INJECTION: forcing a failure. [ 242.866911][ T8101] name failslab, interval 1, probability 0, space 0, times 0 [ 242.866950][ T8101] CPU: 0 UID: 0 PID: 8101 Comm: syz.1.873 Tainted: G L syzkaller #0 PREEMPT_{RT,(full)} [ 242.866981][ T8101] Tainted: [L]=SOFTLOCKUP [ 242.866989][ T8101] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 242.867003][ T8101] Call Trace: [ 242.867011][ T8101] [ 242.867020][ T8101] dump_stack_lvl+0xe8/0x150 [ 242.867051][ T8101] should_fail_ex+0x46b/0x600 [ 242.867095][ T8101] should_failslab+0xa8/0x100 [ 242.867119][ T8101] kmem_cache_alloc_node_noprof+0x8f/0x6e0 [ 242.867155][ T8101] ? __alloc_skb+0x1d0/0x7d0 [ 242.867182][ T8101] ? lockdep_hardirqs_on+0x7a/0x110 [ 242.867222][ T8101] __alloc_skb+0x1d0/0x7d0 [ 242.867252][ T8101] ? netlink_ack_tlv_len+0x6c/0x210 [ 242.867289][ T8101] netlink_ack+0x146/0xa50 [ 242.867319][ T8101] ? __pfx_genl_rcv_msg+0x10/0x10 [ 242.867344][ T8101] ? ref_tracker_free+0x673/0x820 [ 242.867370][ T8101] ? ____sys_sendmsg+0x55c/0x870 [ 242.867402][ T8101] ? ___sys_sendmsg+0x2a5/0x360 [ 242.867435][ T8101] ? __x64_sys_sendmsg+0x1c3/0x2a0 [ 242.867476][ T8101] ? do_syscall_64+0x15f/0xf80 [ 242.867509][ T8101] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 242.867541][ T8101] netlink_rcv_skb+0x2b6/0x4b0 [ 242.867576][ T8101] ? __pfx_genl_rcv_msg+0x10/0x10 [ 242.867605][ T8101] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 242.867652][ T8101] ? netlink_deliver_tap+0x2e/0x1b0 [ 242.867685][ T8101] ? netlink_deliver_tap+0x2e/0x1b0 [ 242.867724][ T8101] genl_rcv+0x28/0x40 [ 242.867749][ T8101] netlink_unicast+0x780/0x920 [ 242.867792][ T8101] netlink_sendmsg+0x813/0xb40 [ 242.867838][ T8101] ? __pfx_netlink_sendmsg+0x10/0x10 [ 242.867876][ T8101] ? tomoyo_socket_sendmsg_permission+0x1e0/0x300 [ 242.867913][ T8101] ? aa_sock_msg_perm+0x122/0x200 [ 242.867942][ T8101] ? __pfx_netlink_sendmsg+0x10/0x10 [ 242.867977][ T8101] sock_sendmsg_nosec+0x112/0x150 [ 242.868007][ T8101] ____sys_sendmsg+0x55c/0x870 [ 242.868047][ T8101] ? __pfx_____sys_sendmsg+0x10/0x10 [ 242.868091][ T8101] ? import_iovec+0x73/0xa0 [ 242.868123][ T8101] ___sys_sendmsg+0x2a5/0x360 [ 242.868157][ T8101] ? __lock_acquire+0x6b5/0x2d10 [ 242.868187][ T8101] ? __pfx____sys_sendmsg+0x10/0x10 [ 242.868260][ T8101] ? __fget_files+0x2a/0x420 [ 242.868290][ T8101] ? __fget_files+0x3a6/0x420 [ 242.868332][ T8101] __x64_sys_sendmsg+0x1c3/0x2a0 [ 242.868372][ T8101] ? __pfx___x64_sys_sendmsg+0x10/0x10 [ 242.868417][ T8101] ? __pfx_ksys_write+0x10/0x10 [ 242.868456][ T8101] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 242.868482][ T8101] do_syscall_64+0x15f/0xf80 [ 242.868516][ T8101] ? clear_bhb_loop+0x40/0x90 [ 242.868545][ T8101] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 242.868568][ T8101] RIP: 0033:0x7f60c272ce59 [ 242.868589][ T8101] 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 [ 242.868608][ T8101] RSP: 002b:00007f60c0986028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 242.868633][ T8101] RAX: ffffffffffffffda RBX: 00007f60c29a5fa0 RCX: 00007f60c272ce59 [ 242.868650][ T8101] RDX: 0000000000004010 RSI: 0000200000000500 RDI: 0000000000000003 [ 242.868664][ T8101] RBP: 00007f60c0986090 R08: 0000000000000000 R09: 0000000000000000 [ 242.868678][ T8101] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 242.868691][ T8101] R13: 00007f60c29a6038 R14: 00007f60c29a5fa0 R15: 00007ffc5b994e98 [ 242.868727][ T8101] [ 242.991619][ T9] usb 3-1: new high-speed USB device number 48 using dummy_hcd [ 243.027547][ T9] usb 3-1: device descriptor read/8, error -71 [ 243.141682][ T9] usb usb3-port1: unable to enumerate USB device [ 243.571618][ T5742] usb 1-1: new full-speed USB device number 55 using dummy_hcd [ 243.727748][ T5742] usb 1-1: not running at top speed; connect to a high speed hub [ 243.745067][ T5742] usb 1-1: New USB device found, idVendor=1235, idProduct=8215, bcdDevice= 0.40 [ 243.745100][ T5742] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 243.745123][ T5742] usb 1-1: Product: 럱䌻찲酳දዺ㤢ᾂ譸꾗ꚋ欹犞顴⓹迾蠝ﯫ嬰棹橳ᤋ膤ゔ슖ﾴ閬႔퍚ꍮ栵연ﳚᓬퟩ綔鄶ᵯ瑫젱祈␰孺ﾗ卸⿄髦粰Ɖⱦ璐棁帋♈瞋ꜷ⶛罔榸琷⎊膁뛟⸷㥑상㿷媍འ᷍똥랙쩝ౠ䖹潭嘣뵧篝쨷૩烕돉ὒ铻꿫ያ쾸쯮詷챴⇲鼍툢骔䑀牷ꠚζ䲹娄感ﳑ僘绍썉 [ 243.745166][ T5742] usb 1-1: Manufacturer: 뼫鮶笻蜛넋潑䨝潍켗脬ꔎ欈磎語鱯荸듉愕ϗ☪郶镨逜ퟎ䚂枓鰫穜쿆ↄ↦ꙙ묙鬛⥺4矅ᱬ콨排Ꮗ셰빫✹ᱻ㽕౷쯁憶馌掤⤙겛圽㡠뒹ࡄ繡挽நꇯ⨊习蚡Ȿ⳻쬎خ꠿⹟⁽Đ픷겜肵䲩伦謷笆淪鬫퐔➾禺슼ь豣㫧⤇몐蠶ꦴ㸇⬄ꊳ도࢔揻䋥脳揵囄㼡뀫뗅ꢈ듆뺚঑㖞 [ 243.745207][ T5742] usb 1-1: SerialNumber: 鑫嚦嵮쌊䰯鵩駩苲ၴ장햔벞䳉䄾꿶胬죔掖欇䅳䭧릦ᅷ맯攴ᐏᎡ擙⡭诲軵퍺㱀ﴻ롦ޯ䑖䵯龉ຫ秓躪ꑯ晏쓄⍚趨렯겲⧷씝㱉ኽ凿挠츂齏ኃ䘳᜾览䱺ᙲ忧䴶ﻛ쓌ﰬĬ뛾ܥӀ缦뿏Ր封衙 [ 244.146413][ T5742] usb 1-1: 1:1 : unknown format tag 0x2 is detected. processed as MPEG. [ 244.148116][ T5742] usb 1-1: found format II with max.bitrate = 4, frame size=9 [ 244.148142][ T5742] usb 1-1: 1:1 : invalid UAC_FORMAT_TYPE desc [ 244.150156][ T5742] usb 1-1: 2:1 : format type 0 is detected, processed as PCM [ 244.150182][ T5742] usb 1-1: 2:1 : invalid UAC_FORMAT_TYPE desc [ 244.177049][ T8128] netlink: 'syz.3.880': attribute type 10 has an invalid length. [ 244.177105][ T8128] netlink: 40 bytes leftover after parsing attributes in process `syz.3.880'. [ 244.219831][ T8128] dummy0: entered promiscuous mode [ 244.256972][ T8128] bridge0: port 3(dummy0) entered blocking state [ 244.260263][ T8128] bridge0: port 3(dummy0) entered disabled state [ 244.275879][ T8128] dummy0: entered allmulticast mode [ 244.318986][ T5742] usb 1-1: USB disconnect, device number 55 [ 244.363440][ T8128] bridge0: port 3(dummy0) entered blocking state [ 244.363869][ T8128] bridge0: port 3(dummy0) entered forwarding state [ 244.512723][ T5693] udevd[5693]: error opening ATTR{/sys/devices/platform/dummy_hcd.0/usb1/1-1/1-1:1.0/sound/card3/controlC3/../uevent} for writing: No such file or directory [ 246.655097][ T822] usb 4-1: new high-speed USB device number 36 using dummy_hcd [ 246.801623][ T822] usb 4-1: Using ep0 maxpacket: 8 [ 246.809745][ T822] usb 4-1: config 1 has an invalid descriptor of length 0, skipping remainder of the config [ 246.809773][ T822] usb 4-1: config 1 has 2 interfaces, different from the descriptor's value: 3 [ 246.837496][ T822] usb 4-1: New USB device found, idVendor=200c, idProduct=1018, bcdDevice= 0.40 [ 246.837530][ T822] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 246.837553][ T822] usb 4-1: Product: syz [ 246.837569][ T822] usb 4-1: Manufacturer: syz [ 246.837585][ T822] usb 4-1: SerialNumber: syz [ 247.378280][ T8222] netlink: 'syz.1.909': attribute type 1 has an invalid length. [ 247.760580][ T822] usb 4-1: unit 5 not found! [ 247.760635][ T822] usb 4-1: unit 16 not found! [ 247.869734][ T822] usb 4-1: USB disconnect, device number 36 [ 247.967156][ T5693] udevd[5693]: error opening ATTR{/sys/devices/platform/dummy_hcd.3/usb4/4-1/4-1:1.0/sound/card3/controlC3/../uevent} for writing: No such file or directory [ 248.809116][ T8274] FAULT_INJECTION: forcing a failure. [ 248.809116][ T8274] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 248.809159][ T8274] CPU: 1 UID: 0 PID: 8274 Comm: syz.1.919 Tainted: G L syzkaller #0 PREEMPT_{RT,(full)} [ 248.809190][ T8274] Tainted: [L]=SOFTLOCKUP [ 248.809199][ T8274] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 248.809213][ T8274] Call Trace: [ 248.809223][ T8274] [ 248.809233][ T8274] dump_stack_lvl+0xe8/0x150 [ 248.809267][ T8274] should_fail_ex+0x46b/0x600 [ 248.809309][ T8274] prepare_alloc_pages+0x22a/0x6b0 [ 248.809343][ T8274] __alloc_frozen_pages_noprof+0x12f/0x380 [ 248.809373][ T8274] ? __pfx___alloc_frozen_pages_noprof+0x10/0x10 [ 248.809403][ T8274] ? __pfx_policy_nodemask+0x10/0x10 [ 248.809429][ T8274] ? __lock_acquire+0x6b5/0x2d10 [ 248.809460][ T8274] alloc_pages_mpol+0xd1/0x380 [ 248.809489][ T8274] folio_alloc_mpol_noprof+0x3b/0x1e0 [ 248.809517][ T8274] vma_alloc_folio_noprof+0xe1/0x1e0 [ 248.809545][ T8274] ? __pfx_vma_alloc_folio_noprof+0x10/0x10 [ 248.809573][ T8274] ? __pte_offset_map+0x29/0x200 [ 248.809613][ T8274] do_pte_missing+0x822/0x2940 [ 248.809647][ T8274] ? handle_mm_fault+0xed/0x14d0 [ 248.809687][ T8274] handle_mm_fault+0xdc4/0x14d0 [ 248.809726][ T8274] ? handle_mm_fault+0xed/0x14d0 [ 248.809766][ T8274] ? __pfx_handle_mm_fault+0x10/0x10 [ 248.809800][ T8274] ? lock_vma_under_rcu+0x45a/0x500 [ 248.809852][ T8274] do_user_addr_fault+0xa73/0x1340 [ 248.809887][ T8274] ? rcu_is_watching+0x15/0xb0 [ 248.809915][ T8274] ? trace_page_fault_user+0x84/0x1e0 [ 248.809945][ T8274] exc_page_fault+0x6a/0xc0 [ 248.809978][ T8274] asm_exc_page_fault+0x26/0x30 [ 248.810000][ T8274] RIP: 0033:0x7f60c25ee60b [ 248.810020][ T8274] Code: 00 00 00 48 8d 3d 8d a0 1a 00 48 89 c1 31 c0 e8 cb 2e ff ff eb d2 66 0f 1f 84 00 00 00 00 00 55 31 c0 53 48 81 ec 68 10 00 00 <48> 89 7c 24 08 48 8d 3d c1 a0 1a 00 48 89 34 24 48 8b 14 24 48 8b [ 248.810040][ T8274] RSP: 002b:00007f60c0963fa0 EFLAGS: 00010206 [ 248.810068][ T8274] RAX: 0000000000000000 RBX: 00007f60c29a6090 RCX: 0000000000000000 [ 248.810083][ T8274] RDX: 0000000000000000 RSI: ffffffffffffffff RDI: 0000200000000040 [ 248.810099][ T8274] RBP: 00007f60c0965090 R08: 0000000000000000 R09: 0000000000000000 [ 248.810112][ T8274] R10: 0000200000000040 R11: 0000000000000000 R12: 0000000000000001 [ 248.810125][ T8274] R13: 00007f60c29a6128 R14: 00007f60c29a6090 R15: 00007ffc5b994e98 [ 248.810160][ T8274] [ 248.810388][ T8274] Huh VM_FAULT_OOM leaked out to the #PF handler. Retrying PF [ 249.541297][ T32] usb 4-1: new high-speed USB device number 37 using dummy_hcd [ 249.594008][ T8291] netlink: 24 bytes leftover after parsing attributes in process `syz.2.925'. [ 249.691244][ T32] usb 4-1: Using ep0 maxpacket: 16 [ 249.693728][ T32] usb 4-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 249.693758][ T32] usb 4-1: config 0 has 0 interfaces, different from the descriptor's value: 1 [ 249.724884][ T32] usb 4-1: New USB device found, idVendor=0e20, idProduct=0101, bcdDevice=7a.5a [ 249.724914][ T32] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 249.724932][ T32] usb 4-1: Product: syz [ 249.724946][ T32] usb 4-1: Manufacturer: syz [ 249.724960][ T32] usb 4-1: SerialNumber: syz [ 249.773691][ T32] usb 4-1: config 0 descriptor?? [ 250.287706][ T8306] sg_write: data in/out 422879/882 bytes for SCSI command 0x0-- guessing data in; [ 250.287706][ T8306] program syz.1.930 not setting count and/or reply_len properly [ 250.767535][ T9] usb 4-1: USB disconnect, device number 37 [ 250.941646][ T8318] FAULT_INJECTION: forcing a failure. [ 250.941646][ T8318] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 250.941688][ T8318] CPU: 1 UID: 0 PID: 8318 Comm: syz.1.935 Tainted: G L syzkaller #0 PREEMPT_{RT,(full)} [ 250.941718][ T8318] Tainted: [L]=SOFTLOCKUP [ 250.941726][ T8318] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 250.941738][ T8318] Call Trace: [ 250.941747][ T8318] [ 250.941756][ T8318] dump_stack_lvl+0xe8/0x150 [ 250.941788][ T8318] should_fail_ex+0x46b/0x600 [ 250.941830][ T8318] _copy_from_user+0x2d/0xb0 [ 250.941860][ T8318] ___sys_sendmsg+0x1c6/0x360 [ 250.941894][ T8318] ? __lock_acquire+0x6b5/0x2d10 [ 250.941923][ T8318] ? __pfx____sys_sendmsg+0x10/0x10 [ 250.941993][ T8318] ? __fget_files+0x2a/0x420 [ 250.942024][ T8318] ? __fget_files+0x3a6/0x420 [ 250.942064][ T8318] __x64_sys_sendmsg+0x1c3/0x2a0 [ 250.942101][ T8318] ? __pfx___x64_sys_sendmsg+0x10/0x10 [ 250.942156][ T8318] ? __pfx_ksys_write+0x10/0x10 [ 250.942189][ T8318] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 250.942213][ T8318] do_syscall_64+0x15f/0xf80 [ 250.942246][ T8318] ? trace_irq_disable+0x3b/0x140 [ 250.942283][ T8318] ? clear_bhb_loop+0x40/0x90 [ 250.942311][ T8318] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 250.942334][ T8318] RIP: 0033:0x7f60c272ce59 [ 250.942356][ T8318] 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 [ 250.942376][ T8318] RSP: 002b:00007f60c0986028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 250.942400][ T8318] RAX: ffffffffffffffda RBX: 00007f60c29a5fa0 RCX: 00007f60c272ce59 [ 250.942417][ T8318] RDX: 0000000000008000 RSI: 00002000000000c0 RDI: 0000000000000003 [ 250.942432][ T8318] RBP: 00007f60c0986090 R08: 0000000000000000 R09: 0000000000000000 [ 250.942446][ T8318] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 250.942463][ T8318] R13: 00007f60c29a6038 R14: 00007f60c29a5fa0 R15: 00007ffc5b994e98 [ 250.942498][ T8318] [ 251.061180][ T1009] usb 3-1: new high-speed USB device number 49 using dummy_hcd [ 251.263002][ T1009] usb 3-1: device descriptor read/64, error -71 [ 251.345730][ T8326] Bluetooth: MGMT ver 1.23 [ 251.511103][ T1009] usb 3-1: new high-speed USB device number 50 using dummy_hcd [ 251.592047][ T822] usb 1-1: new high-speed USB device number 56 using dummy_hcd [ 251.656191][ T1009] usb 3-1: device descriptor read/64, error -71 [ 251.741253][ T822] usb 1-1: Using ep0 maxpacket: 8 [ 251.748191][ T822] usb 1-1: New USB device found, idVendor=2770, idProduct=930c, bcdDevice=8d.6a [ 251.748222][ T822] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 251.748259][ T822] usb 1-1: Product: syz [ 251.748276][ T822] usb 1-1: Manufacturer: syz [ 251.748291][ T822] usb 1-1: SerialNumber: syz [ 251.763629][ T1009] usb usb3-port1: attempt power cycle [ 251.810477][ T822] usb 1-1: config 0 descriptor?? [ 251.837114][ T822] gspca_main: sq930x-2.14.0 probing 2770:930c [ 252.058997][ T8326] netlink: 24 bytes leftover after parsing attributes in process `syz.0.940'. [ 252.087272][ T8326] UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy [ 252.087897][ T8326] misc raw-gadget: fail, usb_gadget_register_driver returned -16 [ 252.110296][ T822] gspca_sq930x: reg_r 001f failed -71 [ 252.110397][ T822] sq930x 1-1:0.0: probe with driver sq930x failed with error -71 [ 252.145623][ T1009] usb 3-1: new high-speed USB device number 51 using dummy_hcd [ 252.162415][ T1009] usb 3-1: device descriptor read/8, error -71 [ 252.187818][ T822] usb 1-1: USB disconnect, device number 56 [ 252.411296][ T1009] usb 3-1: new high-speed USB device number 52 using dummy_hcd [ 252.433179][ T1009] usb 3-1: device descriptor read/8, error -71 [ 252.541544][ T1009] usb usb3-port1: unable to enumerate USB device [ 252.631118][ T5722] usb 4-1: new high-speed USB device number 38 using dummy_hcd [ 252.797729][ T5722] usb 4-1: New USB device found, idVendor=0547, idProduct=0201, bcdDevice=11.64 [ 252.797766][ T5722] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 252.797789][ T5722] usb 4-1: Product: syz [ 252.797806][ T5722] usb 4-1: Manufacturer: syz [ 252.797822][ T5722] usb 4-1: SerialNumber: syz [ 252.813343][ T5722] usb 4-1: config 0 descriptor?? [ 252.844893][ T5722] dvb-usb: found a 'Nebula Electronics uDigiTV DVB-T USB2.0)' in warm state. [ 252.869781][ T5722] dvb-usb: will pass the complete MPEG2 transport stream to the software demuxer. [ 252.892697][ T5722] dvbdev: DVB: registering new adapter (Nebula Electronics uDigiTV DVB-T USB2.0)) [ 252.892802][ T5722] usb 4-1: media controller created [ 253.023761][ T5722] dvbdev: dvb_create_media_entity: media entity 'dvb-demux' registered. [ 253.496802][ T5722] DVB: Unable to find symbol mt352_attach() [ 253.652708][ T5722] DVB: Unable to find symbol nxt6000_attach() [ 253.652742][ T5722] dvb-usb: no frontend was attached by 'Nebula Electronics uDigiTV DVB-T USB2.0)' [ 253.710458][ T5722] input: IR-receiver inside an USB DVB receiver as /devices/platform/dummy_hcd.3/usb4/4-1/input/input14 [ 253.891174][ T5722] dvb-usb: schedule remote query interval to 1000 msecs. [ 253.891196][ T5722] dvb-usb: Nebula Electronics uDigiTV DVB-T USB2.0) successfully initialized and connected. [ 253.892090][ T5722] dvb-usb: bulk message failed: -22 (7/0) [ 253.892113][ T5722] dvb-usb: bulk message failed: -22 (7/0) [ 253.986596][ T8406] overlay: Unknown parameter 'smackfstransmute' [ 253.999681][ T5722] usb 4-1: USB disconnect, device number 38 [ 254.274237][ T5722] dvb-usb: Nebula Electronics uDigiTV DVB-T USB2.0 successfully deinitialized and disconnected. [ 254.371070][ T5780] usb 2-1: new high-speed USB device number 35 using dummy_hcd [ 254.391004][ T32] usb 3-1: new high-speed USB device number 53 using dummy_hcd [ 254.523465][ T5780] usb 2-1: Using ep0 maxpacket: 32 [ 254.525717][ T5780] usb 2-1: config 0 has an invalid interface number: 67 but max is 0 [ 254.525745][ T5780] usb 2-1: config 0 has no interface number 0 [ 254.530563][ T5780] usb 2-1: New USB device found, idVendor=0424, idProduct=9901, bcdDevice=c2.57 [ 254.530594][ T5780] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 254.530618][ T5780] usb 2-1: Product: syz [ 254.530634][ T5780] usb 2-1: Manufacturer: syz [ 254.530649][ T5780] usb 2-1: SerialNumber: syz [ 254.586675][ T32] usb 3-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 254.586735][ T32] usb 3-1: New USB device found, idVendor=0471, idProduct=0304, bcdDevice=e4.df [ 254.586762][ T32] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 254.641215][ T5780] usb 2-1: config 0 descriptor?? [ 254.648556][ T32] usb 3-1: config 0 descriptor?? [ 254.675546][ T32] pwc: Askey VC010 type 2 USB webcam detected. [ 254.846657][ T8421] Bluetooth: hci0: Opcode 0x0c1a failed: -4 [ 255.054466][ T5780] smsc95xx 2-1:0.67 (unnamed net_device) (uninitialized): Failed to read reg index 0x00000030: -32 [ 255.054499][ T5780] smsc95xx 2-1:0.67 (unnamed net_device) (uninitialized): Error reading E2P_CMD [ 255.069382][ T32] pwc: recv_control_msg error -32 req 02 val 2b00 [ 255.088887][ T32] pwc: recv_control_msg error -32 req 02 val 2700 [ 255.090366][ T8406] netlink: 'syz.2.976': attribute type 6 has an invalid length. [ 255.110736][ T32] pwc: recv_control_msg error -71 req 02 val 2c00 [ 255.117862][ T32] pwc: recv_control_msg error -71 req 04 val 1000 [ 255.119409][ T32] pwc: recv_control_msg error -71 req 04 val 1300 [ 255.120206][ T32] pwc: recv_control_msg error -71 req 04 val 1400 [ 255.140384][ T32] pwc: recv_control_msg error -71 req 02 val 2000 [ 255.147594][ T32] pwc: recv_control_msg error -71 req 02 val 2100 [ 255.148095][ T32] pwc: recv_control_msg error -71 req 04 val 1500 [ 255.149922][ T32] pwc: recv_control_msg error -71 req 02 val 2500 [ 255.150664][ T32] pwc: recv_control_msg error -71 req 02 val 2400 [ 255.178118][ T32] pwc: recv_control_msg error -71 req 02 val 2600 [ 255.178606][ T32] pwc: recv_control_msg error -71 req 02 val 2900 [ 255.194175][ T32] pwc: recv_control_msg error -71 req 02 val 2800 [ 255.204624][ T32] pwc: recv_control_msg error -71 req 04 val 1100 [ 255.205121][ T32] pwc: recv_control_msg error -71 req 04 val 1200 [ 255.274278][ T32] pwc: Registered as video103. [ 255.288873][ T32] input: PWC snapshot button as /devices/platform/dummy_hcd.2/usb3/3-1/input/input15 [ 255.346905][ T32] usb 3-1: USB disconnect, device number 53 [ 255.388389][ T822] usb 4-1: new high-speed USB device number 39 using dummy_hcd [ 255.527183][ T5797] udevd[5797]: setting owner of /dev/input/event4 to uid=0, gid=104 failed: No such file or directory [ 255.545483][ T822] usb 4-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 255.564399][ T822] usb 4-1: New USB device found, idVendor=2294, idProduct=425b, bcdDevice=a2.10 [ 255.564434][ T822] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 255.564458][ T822] usb 4-1: Product: syz [ 255.564474][ T822] usb 4-1: Manufacturer: syz [ 255.564490][ T822] usb 4-1: SerialNumber: syz [ 255.605101][ T822] usb 4-1: config 0 descriptor?? [ 255.619697][ T822] usb 4-1: ucan: probing device on interface #0 [ 255.619719][ T822] usb 4-1: ucan: invalid EP count (0) [ 255.619734][ T822] usb 4-1: ucan: probe failed; try to update the device firmware [ 255.701887][ T1334] ieee802154 phy0 wpan0: encryption failed: -22 [ 255.702030][ T1334] ieee802154 phy1 wpan1: encryption failed: -22 [ 255.827450][ T822] usb 4-1: USB disconnect, device number 39 [ 256.123157][ T8439] netlink: 228 bytes leftover after parsing attributes in process `syz.0.988'. [ 256.123181][ T8439] tc_dump_action: action bad kind [ 256.224593][ T8439] netlink: 64 bytes leftover after parsing attributes in process `syz.0.988'. [ 256.278523][ T5780] smsc95xx 2-1:0.67 (unnamed net_device) (uninitialized): Failed to read reg index 0x00000014: -32 [ 256.279124][ T5780] smsc95xx 2-1:0.67: probe with driver smsc95xx failed with error -32 [ 256.300671][ T822] usb 3-1: new high-speed USB device number 54 using dummy_hcd [ 256.732323][ T8447] kvm: requested 4190 ns i8254 timer period limited to 200000 ns [ 256.894836][ T60] Bluetooth: hci0: command 0x0406 tx timeout [ 257.245538][ T8460] af_packet: tpacket_rcv: packet too big, clamped from 396 to 4294967272. macoff=96 [ 257.342683][ T822] usb 2-1: USB disconnect, device number 35 [ 257.615759][ T8468] FAULT_INJECTION: forcing a failure. [ 257.615759][ T8468] name failslab, interval 1, probability 0, space 0, times 0 [ 257.615800][ T8468] CPU: 0 UID: 0 PID: 8468 Comm: syz.2.994 Tainted: G L syzkaller #0 PREEMPT_{RT,(full)} [ 257.615833][ T8468] Tainted: [L]=SOFTLOCKUP [ 257.615841][ T8468] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 257.615854][ T8468] Call Trace: [ 257.615863][ T8468] [ 257.615873][ T8468] dump_stack_lvl+0xe8/0x150 [ 257.615907][ T8468] should_fail_ex+0x46b/0x600 [ 257.615950][ T8468] should_failslab+0xa8/0x100 [ 257.615984][ T8468] kmem_cache_alloc_noprof+0x87/0x680 [ 257.616021][ T8468] ? alloc_pid+0x1ae/0x1310 [ 257.616048][ T8468] alloc_pid+0x1ae/0x1310 [ 257.616077][ T8468] ? __lock_acquire+0x6b5/0x2d10 [ 257.616103][ T8468] ? __pfx_alloc_pid+0x10/0x10 [ 257.616138][ T8468] ? lockdep_hardirqs_on+0x7a/0x110 [ 257.616172][ T8468] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 257.616206][ T8468] ? fpu_clone+0x33c/0xb60 [ 257.616256][ T8468] ? __asan_memcpy+0x40/0x70 [ 257.616288][ T8468] ? copy_thread+0x74f/0x9a0 [ 257.616325][ T8468] copy_process+0x21d9/0x4450 [ 257.616378][ T8468] ? copy_process+0xd87/0x4450 [ 257.616424][ T8468] ? __pfx_copy_process+0x10/0x10 [ 257.616472][ T8468] vhost_task_create+0x1f9/0x380 [ 257.616499][ T8468] ? __pfx_kvm_nx_huge_page_recovery_worker+0x10/0x10 [ 257.616533][ T8468] ? __pfx_kvm_nx_huge_page_recovery_worker_kill+0x10/0x10 [ 257.616571][ T8468] ? __pfx_vhost_task_create+0x10/0x10 [ 257.616605][ T8468] ? __pfx_vhost_task_fn+0x10/0x10 [ 257.616636][ T8468] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 257.616669][ T8468] ? lockdep_hardirqs_on+0x7a/0x110 [ 257.616702][ T8468] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 257.616736][ T8468] ? mutex_lock_nested+0x152/0x1d0 [ 257.616761][ T8468] ? kvm_mmu_post_init_vm+0x8f/0x2d0 [ 257.616802][ T8468] kvm_mmu_post_init_vm+0x147/0x2d0 [ 257.616844][ T8468] kvm_arch_vcpu_ioctl_run+0x106/0x20d0 [ 257.616886][ T8468] ? __pfx_kvm_arch_vcpu_ioctl_run+0x10/0x10 [ 257.616917][ T8468] ? do_raw_spin_lock+0x12b/0x2f0 [ 257.616964][ T8468] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 257.617007][ T8468] ? lockdep_hardirqs_on+0x7a/0x110 [ 257.617039][ T8468] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 257.617071][ T8468] ? rt_mutex_slowunlock+0x4a7/0x8b0 [ 257.617105][ T8468] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 257.617135][ T8468] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 257.617170][ T8468] ? lockdep_hardirqs_on+0x7a/0x110 [ 257.617203][ T8468] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 257.617236][ T8468] ? rt_write_unlock+0x190/0x230 [ 257.617268][ T8468] kvm_vcpu_ioctl+0xa65/0xfe0 [ 257.617310][ T8468] ? __pfx_kvm_vcpu_ioctl+0x10/0x10 [ 257.617367][ T8468] ? __fget_files+0x2a/0x420 [ 257.617402][ T8468] ? __fget_files+0x2a/0x420 [ 257.617433][ T8468] ? __fget_files+0x3a6/0x420 [ 257.617463][ T8468] ? __fget_files+0x2a/0x420 [ 257.617497][ T8468] ? bpf_lsm_file_ioctl+0x9/0x20 [ 257.617526][ T8468] ? __pfx_kvm_vcpu_ioctl+0x10/0x10 [ 257.617560][ T8468] __se_sys_ioctl+0xff/0x170 [ 257.617584][ T8468] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 257.617609][ T8468] do_syscall_64+0x15f/0xf80 [ 257.617644][ T8468] ? clear_bhb_loop+0x40/0x90 [ 257.617673][ T8468] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 257.617696][ T8468] RIP: 0033:0x7fd52361ce59 [ 257.617718][ T8468] 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 [ 257.617738][ T8468] RSP: 002b:00007fd52184d028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 257.617762][ T8468] RAX: ffffffffffffffda RBX: 00007fd523896090 RCX: 00007fd52361ce59 [ 257.617779][ T8468] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000005 [ 257.617793][ T8468] RBP: 00007fd52184d090 R08: 0000000000000000 R09: 0000000000000000 [ 257.617807][ T8468] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 257.617820][ T8468] R13: 00007fd523896128 R14: 00007fd523896090 R15: 00007ffc3bb77c38 [ 257.617856][ T8468] [ 258.376200][ T8485] vxcan0: entered allmulticast mode [ 258.392126][ T32] IPVS: starting estimator thread 0... [ 258.392237][ T822] usb 4-1: new full-speed USB device number 40 using dummy_hcd [ 258.490886][ T8487] IPVS: using max 7 ests per chain, 16800 per kthread [ 258.555043][ T822] usb 4-1: not running at top speed; connect to a high speed hub [ 258.570061][ T822] usb 4-1: New USB device found, idVendor=1235, idProduct=8215, bcdDevice= 0.40 [ 258.570094][ T822] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 258.570116][ T822] usb 4-1: Product: 럱䌻찲酳දዺ㤢ᾂ譸꾗ꚋ欹犞顴⓹迾蠝ﯫ嬰棹橳ᤋ膤ゔ슖ﾴ閬႔퍚ꍮ栵연ﳚᓬퟩ綔鄶ᵯ瑫젱祈␰孺ﾗ卸⿄髦粰Ɖⱦ璐棁帋♈瞋ꜷ⶛罔榸琷⎊膁뛟⸷㥑상㿷媍འ᷍똥랙쩝ౠ䖹潭嘣뵧篝쨷૩烕돉ὒ铻꿫ያ쾸쯮詷챴⇲鼍툢骔䑀牷ꠚζ䲹娄感ﳑ僘绍썉 [ 258.570160][ T822] usb 4-1: Manufacturer: 뼫鮶笻蜛넋潑䨝潍켗脬ꔎ欈磎語鱯荸듉愕ϗ☪郶镨逜ퟎ䚂枓鰫穜쿆ↄ↦ꙙ묙鬛⥺4矅ᱬ콨排Ꮗ셰빫✹ᱻ㽕౷쯁憶馌掤⤙겛圽㡠뒹ࡄ繡挽நꇯ⨊习蚡Ȿ⳻쬎خ꠿⹟⁽Đ픷겜肵䲩伦謷笆淪鬫퐔➾禺슼ь豣㫧⤇몐蠶ꦴ㸇⬄ꊳ도࢔揻䋥脳揵囄㼡뀫뗅ꢈ듆뺚঑㖞 [ 258.570200][ T822] usb 4-1: SerialNumber: 鑫嚦嵮쌊䰯鵩駩苲ၴ장햔벞䳉䄾꿶胬죔掖欇䅳䭧릦ᅷ맯攴ᐏᎡ擙⡭诲軵퍺㱀ﴻ롦ޯ䑖䵯龉ຫ秓躪ꑯ晏쓄⍚趨렯겲⧷씝㱉ኽ凿挠츂齏ኃ䘳᜾览䱺ᙲ忧䴶ﻛ쓌ﰬĬ뛾ܥӀ缦뿏Ր封衙 [ 258.750789][ T32] usb 1-1: new high-speed USB device number 57 using dummy_hcd [ 258.906609][ T32] usb 1-1: Using ep0 maxpacket: 16 [ 258.918325][ T32] usb 1-1: config 0 has an invalid interface number: 0 but max is -1 [ 258.918354][ T32] usb 1-1: config 0 has 1 interface, different from the descriptor's value: 0 [ 258.918468][ T32] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x84 has an invalid bInterval 0, changing to 7 [ 258.955691][ T32] usb 1-1: New USB device found, idVendor=2040, idProduct=0264, bcdDevice=4e.d1 [ 258.955725][ T32] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 258.955748][ T32] usb 1-1: Product: syz [ 258.955763][ T32] usb 1-1: Manufacturer: syz [ 258.955780][ T32] usb 1-1: SerialNumber: syz [ 259.009020][ T822] usb 4-1: 1:1 : unknown format tag 0x2 is detected. processed as MPEG. [ 259.009054][ T822] usb 4-1: found format II with max.bitrate = 4, frame size=9 [ 259.009078][ T822] usb 4-1: 1:1 : invalid UAC_FORMAT_TYPE desc [ 259.034226][ T822] usb 4-1: 2:1 : format type 0 is detected, processed as PCM [ 259.034264][ T822] usb 4-1: 2:1 : invalid UAC_FORMAT_TYPE desc [ 259.072606][ T32] usb 1-1: config 0 descriptor?? [ 259.093569][ T32] em28xx 1-1:0.0: New device syz syz @ 480 Mbps (2040:0264, interface 0, class 0) [ 259.093608][ T32] em28xx 1-1:0.0: DVB interface 0 found: isoc [ 259.269770][ T822] usb 4-1: USB disconnect, device number 40 [ 259.351883][ T32] em28xx 1-1:0.0: unknown em28xx chip ID (0) [ 259.367779][ T5693] udevd[5693]: error opening ATTR{/sys/devices/platform/dummy_hcd.3/usb4/4-1/4-1:1.0/sound/card3/controlC3/../uevent} for writing: No such file or directory [ 259.457650][ T32] em28xx 1-1:0.0: reading from i2c device at 0xa0 failed (error=-5) [ 259.457685][ T32] em28xx 1-1:0.0: board has no eeprom [ 259.532970][ T32] em28xx 1-1:0.0: Identified as PCTV tripleStick (292e) (card=94) [ 259.533000][ T32] em28xx 1-1:0.0: dvb set to isoc mode. [ 259.558334][ T8512] FAULT_INJECTION: forcing a failure. [ 259.558334][ T8512] name failslab, interval 1, probability 0, space 0, times 0 [ 259.558368][ T8512] CPU: 0 UID: 0 PID: 8512 Comm: syz.1.1015 Tainted: G L syzkaller #0 PREEMPT_{RT,(full)} [ 259.558394][ T8512] Tainted: [L]=SOFTLOCKUP [ 259.558400][ T8512] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 259.558411][ T8512] Call Trace: [ 259.558418][ T8512] [ 259.558425][ T8512] dump_stack_lvl+0xe8/0x150 [ 259.558451][ T8512] should_fail_ex+0x46b/0x600 [ 259.558485][ T8512] should_failslab+0xa8/0x100 [ 259.558505][ T8512] kmem_cache_alloc_node_noprof+0x8f/0x6e0 [ 259.558535][ T8512] ? __alloc_skb+0x1d0/0x7d0 [ 259.558586][ T8512] ? lockdep_hardirqs_on+0x7a/0x110 [ 259.558619][ T8512] __alloc_skb+0x1d0/0x7d0 [ 259.558643][ T8512] ? __sys_sendmmsg+0x282/0x4e0 [ 259.558670][ T8512] ? __x64_sys_sendmmsg+0xa0/0xc0 [ 259.558701][ T8512] __ip_append_data+0x2b70/0x3e40 [ 259.558740][ T8512] ? __pfx_raw_getfrag+0x10/0x10 [ 259.558773][ T8512] ? rcu_is_watching+0x15/0xb0 [ 259.558801][ T8512] ? __pfx___ip_append_data+0x10/0x10 [ 259.558827][ T8512] ? __asan_memcpy+0x40/0x70 [ 259.558853][ T8512] ? ip_setup_cork+0x57e/0xa50 [ 259.558877][ T8512] ip_append_data+0x10d/0x190 [ 259.558904][ T8512] ? __pfx_raw_getfrag+0x10/0x10 [ 259.558927][ T8512] raw_sendmsg+0x14be/0x1a50 [ 259.558963][ T8512] ? __pfx_raw_sendmsg+0x10/0x10 [ 259.558982][ T8512] ? __lock_acquire+0x6b5/0x2d10 [ 259.559033][ T8512] ? __pfx_aa_sk_perm+0x10/0x10 [ 259.559054][ T8512] ? sock_rps_record_flow+0x19/0x350 [ 259.559079][ T8512] ? inet_sendmsg+0x2f4/0x370 [ 259.559100][ T8512] ? aa_sock_msg_perm+0x122/0x200 [ 259.559121][ T8512] ? __pfx_inet_sendmsg+0x10/0x10 [ 259.559142][ T8512] sock_sendmsg_nosec+0xf9/0x150 [ 259.559164][ T8512] ____sys_sendmsg+0x55c/0x870 [ 259.559195][ T8512] ? __pfx_____sys_sendmsg+0x10/0x10 [ 259.559229][ T8512] ? import_iovec+0x73/0xa0 [ 259.559257][ T8512] ___sys_sendmsg+0x2a5/0x360 [ 259.559293][ T8512] ? __lock_acquire+0x6b5/0x2d10 [ 259.559315][ T8512] ? __pfx____sys_sendmsg+0x10/0x10 [ 259.559346][ T8512] ? kstrtouint+0x6e/0xe0 [ 259.559395][ T8512] ? __fget_files+0x2a/0x420 [ 259.559419][ T8512] ? __fget_files+0x3a6/0x420 [ 259.559454][ T8512] __sys_sendmmsg+0x282/0x4e0 [ 259.559488][ T8512] ? __pfx___sys_sendmmsg+0x10/0x10 [ 259.559526][ T8512] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 259.559562][ T8512] ? ksys_write+0x248/0x270 [ 259.559582][ T8512] ? __pfx_ksys_write+0x10/0x10 [ 259.559608][ T8512] __x64_sys_sendmmsg+0xa0/0xc0 [ 259.559644][ T8512] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 259.559668][ T8512] do_syscall_64+0x15f/0xf80 [ 259.559700][ T8512] ? trace_irq_disable+0x3b/0x140 [ 259.559736][ T8512] ? clear_bhb_loop+0x40/0x90 [ 259.559763][ T8512] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 259.559786][ T8512] RIP: 0033:0x7f60c272ce59 [ 259.559807][ T8512] 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 [ 259.559827][ T8512] RSP: 002b:00007f60c0986028 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 259.559847][ T8512] RAX: ffffffffffffffda RBX: 00007f60c29a5fa0 RCX: 00007f60c272ce59 [ 259.559861][ T8512] RDX: 0000000000000001 RSI: 0000200000000040 RDI: 0000000000000003 [ 259.559872][ T8512] RBP: 00007f60c0986090 R08: 0000000000000000 R09: 0000000000000000 [ 259.559884][ T8512] R10: 0000000000046000 R11: 0000000000000246 R12: 0000000000000001 [ 259.559895][ T8512] R13: 00007f60c29a6038 R14: 00007f60c29a5fa0 R15: 00007ffc5b994e98 [ 259.559923][ T8512] [ 259.635500][ T5722] usb 3-1: new high-speed USB device number 55 using dummy_hcd [ 259.938638][ T32] usb 1-1: USB disconnect, device number 57 [ 259.939213][ T822] em28xx 1-1:0.0: Binding DVB extension [ 260.003297][ T5722] usb 3-1: config 0 has an invalid interface number: 117 but max is 0 [ 260.003329][ T5722] usb 3-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 260.003352][ T5722] usb 3-1: config 0 has no interface number 0 [ 260.003412][ T5722] usb 3-1: config 0 interface 117 altsetting 0 endpoint 0x88 has an invalid bInterval 0, changing to 7 [ 260.003441][ T5722] usb 3-1: config 0 interface 117 altsetting 0 endpoint 0x88 has invalid wMaxPacketSize 0 [ 260.003467][ T5722] usb 3-1: config 0 interface 117 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 3 [ 260.004499][ T32] em28xx 1-1:0.0: Disconnecting em28xx [ 260.110716][ T5722] usb 3-1: New USB device found, idVendor=0afa, idProduct=03e8, bcdDevice=99.d0 [ 260.110750][ T5722] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 260.110774][ T5722] usb 3-1: Product: syz [ 260.110790][ T5722] usb 3-1: Manufacturer: syz [ 260.110807][ T5722] usb 3-1: SerialNumber: syz [ 260.158898][ T5722] usb 3-1: config 0 descriptor?? [ 260.318338][ T822] em28xx 1-1:0.0: Registering input extension [ 260.323546][ T32] em28xx 1-1:0.0: Closing input extension [ 260.463300][ T32] em28xx 1-1:0.0: Freeing device [ 260.772326][ T32] usb 1-1: new high-speed USB device number 58 using dummy_hcd [ 260.854017][ T5722] usb 3-1: USB disconnect, device number 55 [ 260.927667][ T32] usb 1-1: config 0 has an invalid interface number: 1 but max is 0 [ 260.927694][ T32] usb 1-1: config 0 has no interface number 0 [ 260.949202][ T32] usb 1-1: New USB device found, idVendor=18b4, idProduct=fffb, bcdDevice=dc.7b [ 260.949236][ T32] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 260.949260][ T32] usb 1-1: Product: syz [ 260.949276][ T32] usb 1-1: Manufacturer: syz [ 260.949292][ T32] usb 1-1: SerialNumber: syz [ 260.997197][ T32] usb 1-1: config 0 descriptor?? [ 261.154862][ T8549] netlink: 'syz.3.1028': attribute type 10 has an invalid length. [ 261.154888][ T8549] netlink: 156 bytes leftover after parsing attributes in process `syz.3.1028'. [ 261.224458][ T32] usb 1-1: dvb_usb_v2: found a 'E3C EC168 reference design' in warm state [ 261.267310][ T32] usb 1-1: dvb_usb_v2: will pass the complete MPEG2 transport stream to the software demuxer [ 261.267762][ T32] dvbdev: DVB: registering new adapter (E3C EC168 reference design) [ 261.267816][ T32] usb 1-1: media controller created [ 261.347520][ T32] dvbdev: dvb_create_media_entity: media entity 'dvb-demux' registered. [ 261.453367][ T8519] ubi0: attaching mtd0 [ 261.587149][ T8519] ubi0: scanning is finished [ 261.587170][ T8519] ubi0: empty MTD device detected [ 262.077346][ T8573] binder: 8572:8573 ioctl c0306201 2000000003c0 returned -22 [ 262.519345][ T32] i2c i2c-1: ec100: i2c rd failed=-110 reg=33 [ 262.649022][ T8519] ubi0: attached mtd0 (name "mtdram test device", size 0 MiB) [ 262.649050][ T8519] ubi0: PEB size: 4096 bytes (4 KiB), LEB size: 3774 bytes [ 262.649071][ T8519] ubi0: min./max. I/O unit sizes: 1/64, sub-page size 1 [ 262.649089][ T8519] ubi0: VID header offset: 258 (aligned 258), data offset: 322 [ 262.649108][ T8519] ubi0: good PEBs: 32, bad PEBs: 0, corrupted PEBs: 0 [ 262.649127][ T8519] ubi0: user volume: 0, internal volumes: 1, max. volumes count: 21 [ 262.652859][ T8519] ubi0: max/mean erase counter: 0/0, WL threshold: 4096, image sequence number: 1337915026 [ 262.652890][ T8519] ubi0: available PEBs: 28, total reserved PEBs: 4, PEBs reserved for bad PEB handling: 0 [ 262.658239][ T8584] ubi0: background thread "ubi_bgt0d" started, PID 8584 [ 262.873136][ T32] usb 1-1: USB disconnect, device number 58 [ 263.430827][ T8601] fuse: Bad value for 'fd' [ 263.799146][ T8617] cgroup: noprefix used incorrectly [ 264.382257][ T1009] usb 4-1: new high-speed USB device number 41 using dummy_hcd [ 264.512697][ T1009] usb 4-1: device descriptor read/64, error -71 [ 264.765976][ T1009] usb 4-1: new high-speed USB device number 42 using dummy_hcd [ 264.910358][ T1009] usb 4-1: device descriptor read/64, error -71 [ 264.970907][ T8653] vxcan0: entered allmulticast mode [ 265.030750][ T1009] usb usb4-port1: attempt power cycle [ 265.380350][ T1009] usb 4-1: new high-speed USB device number 43 using dummy_hcd [ 265.411250][ T1009] usb 4-1: device descriptor read/8, error -71 [ 265.650646][ T1009] usb 4-1: new high-speed USB device number 44 using dummy_hcd [ 265.674431][ T1009] usb 4-1: device descriptor read/8, error -71 [ 265.780827][ T1009] usb usb4-port1: unable to enumerate USB device [ 267.046023][ T8757] tmpfs: Unknown parameter 'nr_Lnods' [ 267.046806][ T8757] capability: warning: `syz.0.1116' uses deprecated v2 capabilities in a way that may be insecure [ 267.239884][ T8767] FAULT_INJECTION: forcing a failure. [ 267.239884][ T8767] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 267.239923][ T8767] CPU: 1 UID: 0 PID: 8767 Comm: syz.3.1126 Tainted: G L syzkaller #0 PREEMPT_{RT,(full)} [ 267.239955][ T8767] Tainted: [L]=SOFTLOCKUP [ 267.239963][ T8767] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 267.239977][ T8767] Call Trace: [ 267.239985][ T8767] [ 267.239994][ T8767] dump_stack_lvl+0xe8/0x150 [ 267.240026][ T8767] should_fail_ex+0x46b/0x600 [ 267.240072][ T8767] _copy_to_iter+0x589/0x17d0 [ 267.240109][ T8767] ? rt_mutex_slowunlock+0x4a7/0x8b0 [ 267.240137][ T8767] ? __pfx__copy_to_iter+0x10/0x10 [ 267.240159][ T8767] ? rt_spin_lock+0x1e0/0x400 [ 267.240188][ T8767] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 267.240226][ T8767] __skb_datagram_iter+0xf8/0x980 [ 267.240264][ T8767] ? __pfx_simple_copy_to_iter+0x10/0x10 [ 267.240294][ T8767] skb_copy_datagram_iter+0xb5/0x240 [ 267.240321][ T8767] netlink_recvmsg+0x2c3/0xa50 [ 267.240365][ T8767] ? __pfx_netlink_recvmsg+0x10/0x10 [ 267.240404][ T8767] ? __pfx_aa_sk_perm+0x10/0x10 [ 267.240434][ T8767] ? aa_sock_msg_perm+0x122/0x200 [ 267.240459][ T8767] ? __pfx_netlink_recvmsg+0x10/0x10 [ 267.240495][ T8767] sock_recvmsg_nosec+0x10c/0x140 [ 267.240533][ T8767] ____sys_recvmsg+0x23d/0x4f0 [ 267.240578][ T8767] ? __pfx_____sys_recvmsg+0x10/0x10 [ 267.240629][ T8767] ? import_iovec+0x73/0xa0 [ 267.240660][ T8767] ___sys_recvmsg+0x215/0x590 [ 267.240700][ T8767] ? __pfx____sys_recvmsg+0x10/0x10 [ 267.240741][ T8767] ? __fget_files+0x2a/0x420 [ 267.240790][ T8767] ? __fget_files+0x3a6/0x420 [ 267.240832][ T8767] do_recvmmsg+0x33a/0x800 [ 267.240875][ T8767] ? __pfx_do_recvmmsg+0x10/0x10 [ 267.240924][ T8767] ? _copy_from_user+0x94/0xb0 [ 267.240969][ T8767] __x64_sys_recvmmsg+0x1b7/0x250 [ 267.241009][ T8767] ? __pfx___x64_sys_recvmmsg+0x10/0x10 [ 267.241055][ T8767] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 267.241080][ T8767] do_syscall_64+0x15f/0xf80 [ 267.241112][ T8767] ? trace_irq_disable+0x3b/0x140 [ 267.241148][ T8767] ? clear_bhb_loop+0x40/0x90 [ 267.241175][ T8767] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 267.241198][ T8767] RIP: 0033:0x7f99ec10ce59 [ 267.241219][ T8767] 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 [ 267.241239][ T8767] RSP: 002b:00007f99ea366028 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 267.241262][ T8767] RAX: ffffffffffffffda RBX: 00007f99ec385fa0 RCX: 00007f99ec10ce59 [ 267.241279][ T8767] RDX: 04000000000003b4 RSI: 00002000000037c0 RDI: 0000000000000003 [ 267.241294][ T8767] RBP: 00007f99ea366090 R08: 0000200000003700 R09: 0000000000000000 [ 267.241309][ T8767] R10: 0000000000002000 R11: 0000000000000246 R12: 0000000000000001 [ 267.241322][ T8767] R13: 00007f99ec386038 R14: 00007f99ec385fa0 R15: 00007ffdea5ef528 [ 267.241356][ T8767] [ 267.647532][ T8775] FAULT_INJECTION: forcing a failure. [ 267.647532][ T8775] name failslab, interval 1, probability 0, space 0, times 0 [ 267.647572][ T8775] CPU: 1 UID: 0 PID: 8775 Comm: syz.3.1121 Tainted: G L syzkaller #0 PREEMPT_{RT,(full)} [ 267.647603][ T8775] Tainted: [L]=SOFTLOCKUP [ 267.647611][ T8775] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 267.647624][ T8775] Call Trace: [ 267.647632][ T8775] [ 267.647641][ T8775] dump_stack_lvl+0xe8/0x150 [ 267.647672][ T8775] should_fail_ex+0x46b/0x600 [ 267.647710][ T8775] should_failslab+0xa8/0x100 [ 267.647733][ T8775] kmem_cache_alloc_noprof+0x87/0x680 [ 267.647765][ T8775] ? ptlock_alloc+0x20/0x70 [ 267.647790][ T8775] ptlock_alloc+0x20/0x70 [ 267.647810][ T8775] pte_alloc_one+0x7e/0x380 [ 267.647841][ T8775] __pte_alloc+0x25/0x1a0 [ 267.647867][ T8775] do_pte_missing+0x1c13/0x2940 [ 267.647897][ T8775] ? __pmd_alloc+0x41b/0x5e0 [ 267.647931][ T8775] handle_mm_fault+0xdc4/0x14d0 [ 267.647966][ T8775] ? handle_mm_fault+0xed/0x14d0 [ 267.648002][ T8775] ? __pfx_handle_mm_fault+0x10/0x10 [ 267.648046][ T8775] ? __lock_acquire+0x6b5/0x2d10 [ 267.648075][ T8775] ? lock_mm_and_find_vma+0xa7/0x340 [ 267.648100][ T8775] do_user_addr_fault+0x75b/0x1340 [ 267.648138][ T8775] exc_page_fault+0x6a/0xc0 [ 267.648167][ T8775] asm_exc_page_fault+0x26/0x30 [ 267.648187][ T8775] RIP: 0010:rep_movs_alternative+0x30/0xa0 [ 267.648211][ T8775] Code: 83 f9 08 73 25 85 c9 74 0f 8a 06 88 07 48 ff c7 48 ff c6 48 ff c9 75 f1 c3 cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 <48> 8b 06 48 89 07 48 83 c6 08 48 83 c7 08 83 e9 08 74 db 83 f9 08 [ 267.648229][ T8775] RSP: 0018:ffffc90003f8fd18 EFLAGS: 00050212 [ 267.648247][ T8775] RAX: 00007ffffffff001 RBX: 0000000000000010 RCX: 0000000000000010 [ 267.648262][ T8775] RDX: 0000000000000001 RSI: 0000200000000140 RDI: ffffc90003f8fd60 [ 267.648276][ T8775] RBP: ffffc90003f8fdd0 R08: ffffc90003f8fd6f R09: 1ffff920007f1fad [ 267.648290][ T8775] R10: dffffc0000000000 R11: fffff520007f1fae R12: 1ffff920007f1fa8 [ 267.648304][ T8775] R13: dffffc0000000000 R14: ffffc90003f8fd60 R15: 0000200000000140 [ 267.648335][ T8775] _copy_from_user+0x7a/0xb0 [ 267.648361][ T8775] get_timespec64+0x96/0x1b0 [ 267.648384][ T8775] ? __pfx_get_timespec64+0x10/0x10 [ 267.648406][ T8775] ? rt_mutex_slowunlock+0x1cb/0x300 [ 267.648429][ T8775] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 267.648458][ T8775] __se_sys_pselect6+0x13a/0x320 [ 267.648494][ T8775] ? __pfx___se_sys_pselect6+0x10/0x10 [ 267.648519][ T8775] ? __pfx_ksys_write+0x10/0x10 [ 267.648543][ T8775] ? __x64_sys_pselect6+0x21/0xf0 [ 267.648567][ T8775] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 267.648589][ T8775] do_syscall_64+0x15f/0xf80 [ 267.648618][ T8775] ? trace_irq_disable+0x3b/0x140 [ 267.648649][ T8775] ? clear_bhb_loop+0x40/0x90 [ 267.648674][ T8775] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 267.648694][ T8775] RIP: 0033:0x7f99ec10ce59 [ 267.648713][ T8775] 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 [ 267.648730][ T8775] RSP: 002b:00007f99ea366028 EFLAGS: 00000246 ORIG_RAX: 000000000000010e [ 267.648750][ T8775] RAX: ffffffffffffffda RBX: 00007f99ec385fa0 RCX: 00007f99ec10ce59 [ 267.648765][ T8775] RDX: 0000000000000000 RSI: 0000200000000080 RDI: 0000000000000040 [ 267.648778][ T8775] RBP: 00007f99ea366090 R08: 0000200000000140 R09: 0000000000000000 [ 267.648792][ T8775] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 267.648803][ T8775] R13: 00007f99ec386038 R14: 00007f99ec385fa0 R15: 00007ffdea5ef528 [ 267.648834][ T8775] [ 268.295322][ T60] Bluetooth: hci2: unexpected event for opcode 0x007f [ 268.592473][ T8800] FAULT_INJECTION: forcing a failure. [ 268.592473][ T8800] name failslab, interval 1, probability 0, space 0, times 0 [ 268.592513][ T8800] CPU: 0 UID: 0 PID: 8800 Comm: syz.1.1133 Tainted: G L syzkaller #0 PREEMPT_{RT,(full)} [ 268.592550][ T8800] Tainted: [L]=SOFTLOCKUP [ 268.592558][ T8800] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 268.592572][ T8800] Call Trace: [ 268.592581][ T8800] [ 268.592591][ T8800] dump_stack_lvl+0xe8/0x150 [ 268.592624][ T8800] should_fail_ex+0x46b/0x600 [ 268.592666][ T8800] should_failslab+0xa8/0x100 [ 268.592692][ T8800] __kmalloc_noprof+0xdf/0x7b0 [ 268.592728][ T8800] ? get_create_ext+0x2f5/0xd30 [ 268.592753][ T8800] ? bpf_lsm_dentry_init_security+0x9/0x20 [ 268.592789][ T8800] ? security_dentry_init_security+0x83/0x360 [ 268.592824][ T8800] get_create_ext+0x2f5/0xd30 [ 268.592859][ T8800] ? __pfx_get_create_ext+0x10/0x10 [ 268.592886][ T8800] ? __kasan_kmalloc+0x93/0xb0 [ 268.592922][ T8800] ? __kmalloc_cache_noprof+0x3a6/0x690 [ 268.592952][ T8800] create_new_entry+0x297/0x7c0 [ 268.592984][ T8800] ? __pfx_create_new_entry+0x10/0x10 [ 268.593036][ T8800] fuse_mkdir+0x301/0x420 [ 268.593064][ T8800] ? __pfx_fuse_mkdir+0x10/0x10 [ 268.593114][ T8800] ? apparmor_path_mkdir+0x323/0x3d0 [ 268.593151][ T8800] ? __pfx_fuse_permission+0x10/0x10 [ 268.593176][ T8800] ? inode_permission+0x346/0x5f0 [ 268.593205][ T8800] ? bpf_lsm_inode_mkdir+0x9/0x20 [ 268.593231][ T8800] vfs_mkdir+0x40b/0x630 [ 268.593263][ T8800] filename_mkdirat+0x289/0x520 [ 268.593294][ T8800] ? __pfx_filename_mkdirat+0x10/0x10 [ 268.593323][ T8800] ? do_getname+0x151/0x250 [ 268.593351][ T8800] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 268.593376][ T8800] __se_sys_mkdirat+0x35/0x150 [ 268.593408][ T8800] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 268.593432][ T8800] do_syscall_64+0x15f/0xf80 [ 268.593465][ T8800] ? trace_irq_disable+0x3b/0x140 [ 268.593501][ T8800] ? clear_bhb_loop+0x40/0x90 [ 268.593529][ T8800] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 268.593552][ T8800] RIP: 0033:0x7f60c272ce59 [ 268.593572][ T8800] 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 [ 268.593592][ T8800] RSP: 002b:00007f60c0986028 EFLAGS: 00000246 ORIG_RAX: 0000000000000102 [ 268.593616][ T8800] RAX: ffffffffffffffda RBX: 00007f60c29a5fa0 RCX: 00007f60c272ce59 [ 268.593633][ T8800] RDX: 0000000000000062 RSI: 0000200000000900 RDI: ffffffffffffff9c [ 268.593649][ T8800] RBP: 00007f60c0986090 R08: 0000000000000000 R09: 0000000000000000 [ 268.593663][ T8800] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 268.593677][ T8800] R13: 00007f60c29a6038 R14: 00007f60c29a5fa0 R15: 00007ffc5b994e98 [ 268.593713][ T8800] [ 269.431187][ T37] usb 3-1: new full-speed USB device number 56 using dummy_hcd [ 269.582663][ T37] usb 3-1: not running at top speed; connect to a high speed hub [ 269.598009][ T37] usb 3-1: New USB device found, idVendor=1235, idProduct=8215, bcdDevice= 0.40 [ 269.598041][ T37] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 269.598065][ T37] usb 3-1: Product: 럱䌻찲酳දዺ㤢ᾂ譸꾗ꚋ欹犞顴⓹迾蠝ﯫ嬰棹橳ᤋ膤ゔ슖ﾴ閬႔퍚ꍮ栵연ﳚᓬퟩ綔鄶ᵯ瑫젱祈␰孺ﾗ卸⿄髦粰Ɖⱦ璐棁帋♈瞋ꜷ⶛罔榸琷⎊膁뛟⸷㥑상㿷媍འ᷍똥랙쩝ౠ䖹潭嘣뵧篝쨷૩烕돉ὒ铻꿫ያ쾸쯮詷챴⇲鼍툢骔䑀牷ꠚζ䲹娄感ﳑ僘绍썉 [ 269.598106][ T37] usb 3-1: Manufacturer: 뼫鮶笻蜛넋潑䨝潍켗脬ꔎ欈磎語鱯荸듉愕ϗ☪郶镨逜ퟎ䚂枓鰫穜쿆ↄ↦ꙙ묙鬛⥺4矅ᱬ콨排Ꮗ셰빫✹ᱻ㽕౷쯁憶馌掤⤙겛圽㡠뒹ࡄ繡挽நꇯ⨊习蚡Ȿ⳻쬎خ꠿⹟⁽Đ픷겜肵䲩伦謷笆淪鬫퐔➾禺슼ь豣㫧⤇몐蠶ꦴ㸇⬄ꊳ도࢔揻䋥脳揵囄㼡뀫뗅ꢈ듆뺚঑㖞 [ 269.598147][ T37] usb 3-1: SerialNumber: 鑫嚦嵮쌊䰯鵩駩苲ၴ장햔벞䳉䄾꿶胬죔掖欇䅳䭧릦ᅷ맯攴ᐏᎡ擙⡭诲軵퍺㱀ﴻ롦ޯ䑖䵯龉ຫ秓躪ꑯ晏쓄⍚趨렯겲⧷씝㱉ኽ凿挠츂齏ኃ䘳᜾览䱺ᙲ忧䴶ﻛ쓌ﰬĬ뛾ܥӀ缦뿏Ր封衙 [ 269.770183][ T5707] usb 4-1: new high-speed USB device number 45 using dummy_hcd [ 269.952333][ T5707] usb 4-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 269.952394][ T5707] usb 4-1: New USB device found, idVendor=0471, idProduct=0304, bcdDevice=e4.df [ 269.952419][ T5707] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 269.996529][ T37] usb 3-1: 1:1 : unknown format tag 0x2 is detected. processed as MPEG. [ 269.996559][ T37] usb 3-1: found format II with max.bitrate = 4, frame size=9 [ 269.996580][ T37] usb 3-1: 1:1 : invalid UAC_FORMAT_TYPE desc [ 270.025111][ T37] usb 3-1: 2:1 : format type 0 is detected, processed as PCM [ 270.025133][ T37] usb 3-1: 2:1 : invalid UAC_FORMAT_TYPE desc [ 270.056542][ T5707] usb 4-1: config 0 descriptor?? [ 270.078554][ T5707] pwc: Askey VC010 type 2 USB webcam detected. [ 270.183912][ T37] usb 3-1: USB disconnect, device number 56 [ 270.278463][ T5693] udevd[5693]: error opening ATTR{/sys/devices/platform/dummy_hcd.2/usb3/3-1/3-1:1.0/sound/card3/controlC3/../uevent} for writing: No such file or directory [ 270.426422][ T8837] netlink: 8 bytes leftover after parsing attributes in process `syz.0.1148'. [ 270.426448][ T8837] netlink: 8 bytes leftover after parsing attributes in process `syz.0.1148'. [ 270.465488][ T5707] pwc: recv_control_msg error -32 req 02 val 2b00 [ 270.468707][ T5707] pwc: recv_control_msg error -32 req 02 val 2700 [ 270.469434][ T5707] pwc: recv_control_msg error -32 req 02 val 2c00 [ 270.472710][ T5707] pwc: recv_control_msg error -32 req 04 val 1000 [ 270.480828][ T5707] pwc: recv_control_msg error -32 req 04 val 1300 [ 270.758389][ T5707] pwc: recv_control_msg error -71 req 02 val 2000 [ 270.758887][ T5707] pwc: recv_control_msg error -71 req 02 val 2100 [ 270.759374][ T5707] pwc: recv_control_msg error -71 req 04 val 1500 [ 270.786639][ T5707] pwc: recv_control_msg error -71 req 02 val 2500 [ 270.787447][ T8842] program syz.0.1151 is using a deprecated SCSI ioctl, please convert it to SG_IO [ 270.789191][ T5707] pwc: recv_control_msg error -71 req 02 val 2400 [ 270.814303][ T5707] pwc: recv_control_msg error -71 req 02 val 2600 [ 270.814812][ T5707] pwc: recv_control_msg error -71 req 02 val 2900 [ 270.815308][ T5707] pwc: recv_control_msg error -71 req 02 val 2800 [ 270.819383][ T5707] pwc: recv_control_msg error -71 req 04 val 1100 [ 270.847326][ T5707] pwc: recv_control_msg error -71 req 04 val 1200 [ 270.881859][ T5707] pwc: Registered as video103. [ 270.885167][ T5707] input: PWC snapshot button as /devices/platform/dummy_hcd.3/usb4/4-1/input/input18 [ 270.909785][ T5707] usb 4-1: USB disconnect, device number 45 [ 271.446187][ T8852] netlink: 5 bytes leftover after parsing attributes in process `syz.0.1153'. [ 271.446555][ T5630] Bluetooth: hci4: unexpected cc 0x0c03 length: 249 > 1 [ 271.516119][ T5630] Bluetooth: hci4: unexpected cc 0x1003 length: 249 > 9 [ 271.525936][ T5630] Bluetooth: hci4: unexpected cc 0x1001 length: 249 > 9 [ 271.547210][ T5630] Bluetooth: hci4: unexpected cc 0x0c23 length: 249 > 4 [ 271.634606][ T5630] Bluetooth: hci4: unexpected cc 0x0c38 length: 249 > 2 [ 272.756118][ T8875] netlink: 8 bytes leftover after parsing attributes in process `syz.0.1160'. [ 272.790094][ T5722] usb 4-1: new full-speed USB device number 46 using dummy_hcd [ 272.984544][ T5722] usb 4-1: not running at top speed; connect to a high speed hub [ 273.002274][ T5722] usb 4-1: New USB device found, idVendor=1235, idProduct=8215, bcdDevice= 0.40 [ 273.002309][ T5722] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 273.002332][ T5722] usb 4-1: Product: 럱䌻찲酳දዺ㤢ᾂ譸꾗ꚋ欹犞顴⓹迾蠝ﯫ嬰棹橳ᤋ膤ゔ슖ﾴ閬႔퍚ꍮ栵연ﳚᓬퟩ綔鄶ᵯ瑫젱祈␰孺ﾗ卸⿄髦粰Ɖⱦ璐棁帋♈瞋ꜷ⶛罔榸琷⎊膁뛟⸷㥑상㿷媍འ᷍똥랙쩝ౠ䖹潭嘣뵧篝쨷૩烕돉ὒ铻꿫ያ쾸쯮詷챴⇲鼍툢骔䑀牷ꠚζ䲹娄感ﳑ僘绍썉 [ 273.002372][ T5722] usb 4-1: Manufacturer: 뼫鮶笻蜛넋潑䨝潍켗脬ꔎ欈磎語鱯荸듉愕ϗ☪郶镨逜ퟎ䚂枓鰫穜쿆ↄ↦ꙙ묙鬛⥺4矅ᱬ콨排Ꮗ셰빫✹ᱻ㽕౷쯁憶馌掤⤙겛圽㡠뒹ࡄ繡挽நꇯ⨊习蚡Ȿ⳻쬎خ꠿⹟⁽Đ픷겜肵䲩伦謷笆淪鬫퐔➾禺슼ь豣㫧⤇몐蠶ꦴ㸇⬄ꊳ도࢔揻䋥脳揵囄㼡뀫뗅ꢈ듆뺚঑㖞 [ 273.002419][ T5722] usb 4-1: SerialNumber: 鑫嚦嵮쌊䰯鵩駩苲ၴ장햔벞䳉䄾꿶胬죔掖欇䅳䭧릦ᅷ맯攴ᐏᎡ擙⡭诲軵퍺㱀ﴻ롦ޯ䑖䵯龉ຫ秓躪ꑯ晏쓄⍚趨렯겲⧷씝㱉ኽ凿挠츂齏ኃ䘳᜾览䱺ᙲ忧䴶ﻛ쓌ﰬĬ뛾ܥӀ缦뿏Ր封衙 [ 273.454270][ T5722] usb 4-1: 1:1 : unknown format tag 0x2 is detected. processed as MPEG. [ 273.454306][ T5722] usb 4-1: found format II with max.bitrate = 4, frame size=9 [ 273.454331][ T5722] usb 4-1: 1:1 : invalid UAC_FORMAT_TYPE desc [ 273.478707][ T5722] usb 4-1: 2:1 : format type 0 is detected, processed as PCM [ 273.478736][ T5722] usb 4-1: 2:1 : invalid UAC_FORMAT_TYPE desc [ 273.552805][ T60] Bluetooth: hci3: unexpected event 0x09 length: 4 > 3 [ 273.650023][ T5722] usb 4-1: USB disconnect, device number 46 [ 273.690605][ T60] Bluetooth: hci4: command tx timeout [ 273.790535][ T5693] udevd[5693]: error opening ATTR{/sys/devices/platform/dummy_hcd.3/usb4/4-1/4-1:1.0/sound/card3/controlC3/../uevent} for writing: No such file or directory [ 273.998727][ T3326] netdevsim netdevsim1 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 274.545955][ T3326] netdevsim netdevsim1 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 274.668652][ T8914] netlink: 71 bytes leftover after parsing attributes in process `syz.2.1173'. [ 274.690184][ T5707] usb 1-1: new high-speed USB device number 59 using dummy_hcd [ 274.839848][ T5707] usb 1-1: Using ep0 maxpacket: 32 [ 274.858445][ T5707] usb 1-1: New USB device found, idVendor=0763, idProduct=2012, bcdDevice= 0.40 [ 274.858478][ T5707] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 274.858498][ T5707] usb 1-1: Product: syz [ 274.858509][ T5707] usb 1-1: Manufacturer: syz [ 274.858520][ T5707] usb 1-1: SerialNumber: syz [ 274.959853][ T32] usb 3-1: new low-speed USB device number 57 using dummy_hcd [ 275.155846][ T32] usb 3-1: config 1 interface 1 altsetting 1 endpoint 0x1 has invalid maxpacket 64, setting to 0 [ 275.155903][ T32] usb 3-1: config 1 interface 2 altsetting 1 endpoint 0x82 has an invalid bInterval 40, changing to 4 [ 275.155933][ T32] usb 3-1: config 1 interface 2 altsetting 1 endpoint 0x82 has invalid maxpacket 512, setting to 0 [ 275.209989][ T32] usb 3-1: string descriptor 0 read error: -22 [ 275.210090][ T32] usb 3-1: New USB device found, idVendor=17cc, idProduct=1010, bcdDevice= 0.40 [ 275.210149][ T32] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 275.305925][ T8914] team0 (unregistering): Port device team_slave_0 removed [ 275.398025][ T8914] team0 (unregistering): Port device team_slave_1 removed [ 275.588036][ T32] snd-usb-audio 3-1:1.0: probe with driver snd-usb-audio failed with error -71 [ 275.619333][ T5707] usb 1-1: Fast Track Pro switching to config #2 [ 275.647854][ T32] snd-usb-audio 3-1:1.1: probe with driver snd-usb-audio failed with error -71 [ 275.726535][ T5707] usb 1-1: USB disconnect, device number 59 [ 275.760868][ T32] snd-usb-audio 3-1:1.2: probe with driver snd-usb-audio failed with error -71 [ 275.769990][ T60] Bluetooth: hci4: command tx timeout [ 275.787382][ T32] usb 3-1: USB disconnect, device number 57 [ 276.038775][ T3326] netdevsim netdevsim1 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 276.209802][ T9] usb 4-1: new full-speed USB device number 47 using dummy_hcd [ 276.276781][ T8922] FAULT_INJECTION: forcing a failure. [ 276.276781][ T8922] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 276.276823][ T8922] CPU: 1 UID: 0 PID: 8922 Comm: syz.0.1176 Tainted: G L syzkaller #0 PREEMPT_{RT,(full)} [ 276.276855][ T8922] Tainted: [L]=SOFTLOCKUP [ 276.276864][ T8922] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 276.276877][ T8922] Call Trace: [ 276.276886][ T8922] [ 276.276896][ T8922] dump_stack_lvl+0xe8/0x150 [ 276.276930][ T8922] should_fail_ex+0x46b/0x600 [ 276.276973][ T8922] _copy_to_user+0x31/0xb0 [ 276.277006][ T8922] simple_read_from_buffer+0xe1/0x170 [ 276.277045][ T8922] proc_fail_nth_read+0x1be/0x230 [ 276.277081][ T8922] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 276.277118][ T8922] ? rw_verify_area+0x2ac/0x4e0 [ 276.277155][ T8922] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 276.277189][ T8922] vfs_read+0x212/0xa80 [ 276.277235][ T8922] ? __pfx_vfs_read+0x10/0x10 [ 276.277274][ T8922] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 276.277308][ T8922] ? lockdep_hardirqs_on+0x7a/0x110 [ 276.277343][ T8922] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 276.277377][ T8922] ? mutex_lock_nested+0x152/0x1d0 [ 276.277402][ T8922] ? fdget_pos+0x252/0x320 [ 276.277443][ T8922] ksys_read+0x156/0x270 [ 276.277467][ T8922] ? __pfx_ksys_read+0x10/0x10 [ 276.277498][ T8922] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 276.277524][ T8922] do_syscall_64+0x15f/0xf80 [ 276.277556][ T8922] ? trace_irq_disable+0x3b/0x140 [ 276.277592][ T8922] ? clear_bhb_loop+0x40/0x90 [ 276.277627][ T8922] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 276.277651][ T8922] RIP: 0033:0x7f769bfad68e [ 276.277671][ T8922] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 276.277691][ T8922] RSP: 002b:00007f769a23dfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 276.277715][ T8922] RAX: ffffffffffffffda RBX: 00007f769a23e6c0 RCX: 00007f769bfad68e [ 276.277732][ T8922] RDX: 000000000000000f RSI: 00007f769a23e0a0 RDI: 0000000000000003 [ 276.277746][ T8922] RBP: 00007f769a23e090 R08: 0000000000000000 R09: 0000000000000000 [ 276.277760][ T8922] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 276.277773][ T8922] R13: 00007f769c266038 R14: 00007f769c265fa0 R15: 00007fffd17b1248 [ 276.277808][ T8922] [ 276.624592][ T9] usb 4-1: config 1 has an invalid descriptor of length 0, skipping remainder of the config [ 276.624623][ T9] usb 4-1: config 1 has 2 interfaces, different from the descriptor's value: 3 [ 276.624688][ T9] usb 4-1: config 1 interface 1 altsetting 9 has 0 endpoint descriptors, different from the interface descriptor's value: 4 [ 276.624717][ T9] usb 4-1: config 1 interface 1 has no altsetting 0 [ 276.671257][ T9] usb 4-1: New USB device found, idVendor=0763, idProduct=2030, bcdDevice= 0.40 [ 276.671286][ T9] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 276.671306][ T9] usb 4-1: Product: syz [ 276.671320][ T9] usb 4-1: Manufacturer: syz [ 276.671334][ T9] usb 4-1: SerialNumber: syz [ 276.812847][ T38] audit: type=1800 audit(2000000089.937:6): pid=8926 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.0.1178" name="file0" dev="overlay" ino=1022 res=0 errno=0 [ 276.818089][ T3326] netdevsim netdevsim1 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 276.925889][ T8919] UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy [ 276.927006][ T8919] misc raw-gadget: fail, usb_gadget_register_driver returned -16 [ 276.956118][ T8919] UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy [ 276.959540][ T8919] misc raw-gadget: fail, usb_gadget_register_driver returned -16 [ 277.069641][ T9] usb 4-1: 0:2 : does not exist [ 277.180419][ T9] usb 4-1: cannot find UAC_HEADER [ 277.281697][ T9] snd-usb-audio 4-1:1.1: probe with driver snd-usb-audio failed with error -22 [ 277.297182][ T9] usb 4-1: USB disconnect, device number 47 [ 277.394451][ T8930] netlink: 76 bytes leftover after parsing attributes in process `syz.0.1179'. [ 277.432489][ T5693] udevd[5693]: error opening ATTR{/sys/devices/platform/dummy_hcd.3/usb4/4-1/4-1:1.0/sound/card3/controlC3/../uevent} for writing: No such file or directory [ 277.844388][ T60] Bluetooth: hci4: command tx timeout [ 277.862412][ T1009] usb 3-1: new high-speed USB device number 58 using dummy_hcd [ 278.007426][ T1009] usb 3-1: device descriptor read/64, error -71 [ 278.208536][ T8944] netlink: 4 bytes leftover after parsing attributes in process `syz.0.1184'. [ 278.254307][ T1009] usb 3-1: new high-speed USB device number 59 using dummy_hcd [ 278.379425][ T1009] usb 3-1: device descriptor read/64, error -71 [ 278.493492][ T1009] usb usb3-port1: attempt power cycle [ 278.704797][ T3326] bridge_slave_1: left allmulticast mode [ 278.704899][ T3326] bridge_slave_1: left promiscuous mode [ 278.734160][ T3326] bridge0: port 2(bridge_slave_1) entered disabled state [ 278.801026][ T38] audit: type=1800 audit(2000000092.055:7): pid=8953 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.3.1186" name="file0" dev="overlay" ino=1160 res=0 errno=0 [ 278.848750][ T1009] usb 3-1: new high-speed USB device number 60 using dummy_hcd [ 278.868867][ T1009] usb 3-1: device descriptor read/8, error -71 [ 278.929027][ T3326] x9: left allmulticast mode [ 278.929054][ T3326] x9: left promiscuous mode [ 278.931289][ T3326] bridge0: port 1(1x9) entered disabled state [ 279.112016][ T8958] netlink: 666 bytes leftover after parsing attributes in process `syz.3.1187'. [ 279.114185][ T1009] usb 3-1: new high-speed USB device number 61 using dummy_hcd [ 279.134315][ T8958] netlink: 1 bytes leftover after parsing attributes in process `syz.3.1187'. [ 279.137669][ T1009] usb 3-1: device descriptor read/8, error -71 [ 279.204783][ T8958] binder: 8956:8958 ioctl c0502100 200000000240 returned -22 [ 279.236105][ T8958] binder: 8956:8958 ioctl 40182103 2000000002c0 returned -22 [ 279.267915][ T1009] usb usb3-port1: unable to enumerate USB device [ 279.865932][ T60] Bluetooth: hci4: command tx timeout [ 280.177467][ T3326] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 280.237588][ T3326] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 280.260953][ T3326] bond0 (unregistering): Released all slaves [ 280.300070][ T8850] bridge0: port 1(bridge_slave_0) entered blocking state [ 280.300344][ T8850] bridge0: port 1(bridge_slave_0) entered disabled state [ 280.300631][ T8850] bridge_slave_0: entered allmulticast mode [ 280.305244][ T8850] bridge_slave_0: entered promiscuous mode [ 280.420142][ T8850] bridge0: port 2(bridge_slave_1) entered blocking state [ 280.420524][ T8850] bridge0: port 2(bridge_slave_1) entered disabled state [ 280.420836][ T8850] bridge_slave_1: entered allmulticast mode [ 280.424858][ T8850] bridge_slave_1: entered promiscuous mode [ 280.525626][ T3326] tipc: Left network mode [ 280.607671][ T8850] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 280.628847][ T8850] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 280.830761][ T8850] team0: Port device team_slave_0 added [ 280.849068][ T8850] team0: Port device team_slave_1 added [ 280.988528][ T8968] openvswitch: netlink: Actions may not be safe on all matching packets [ 281.475563][ T38] audit: type=1800 audit(2000000094.717:8): pid=8982 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.3.1194" name="file0" dev="overlay" ino=1189 res=0 errno=0 [ 282.175582][ T8998] netlink: 4 bytes leftover after parsing attributes in process `syz.3.1197'. [ 282.203657][ T60] Bluetooth: hci0: unexpected event 0x2f length: 509 > 260 [ 282.214260][ T8998] netlink: zone id is out of range [ 282.214277][ T8998] netlink: zone id is out of range [ 282.214287][ T8998] netlink: zone id is out of range [ 282.214295][ T8998] netlink: zone id is out of range [ 282.214305][ T8998] netlink: zone id is out of range [ 282.214314][ T8998] netlink: zone id is out of range [ 282.214322][ T8998] netlink: zone id is out of range [ 282.214331][ T8998] netlink: zone id is out of range [ 282.214340][ T8998] netlink: zone id is out of range [ 282.291784][ T8850] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 282.291803][ T8850] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem. [ 282.291834][ T8850] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 282.579510][ T5278] 8021q: adding VLAN 0 to HW filter on device eth1 [ 282.628348][ T8850] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 282.628362][ T8850] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem. [ 282.628384][ T8850] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 282.684413][ T9] usb 1-1: new high-speed USB device number 60 using dummy_hcd [ 282.847501][ T9] usb 1-1: Using ep0 maxpacket: 32 [ 282.849452][ T9] usb 1-1: config 1 has an invalid descriptor of length 0, skipping remainder of the config [ 282.849532][ T9] usb 1-1: config 1 interface 1 altsetting 1 has 0 endpoint descriptors, different from the interface descriptor's value: 1 [ 282.852101][ T9] usb 1-1: New USB device found, idVendor=0582, idProduct=007d, bcdDevice= 0.40 [ 282.852131][ T9] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 282.852155][ T9] usb 1-1: Product: syz [ 282.852171][ T9] usb 1-1: Manufacturer: syz [ 282.852188][ T9] usb 1-1: SerialNumber: syz [ 282.957495][ T9] snd-ua101 1-1:1.1: invalid bNumEndpoints [ 282.957525][ T9] snd-ua101 1-1:1.0: invalid num_altsetting [ 283.143813][ T9002] netlink: 20 bytes leftover after parsing attributes in process `syz.0.1199'. [ 283.314103][ T5722] usb 1-1: USB disconnect, device number 60 [ 283.400489][ T8850] hsr_slave_0: entered promiscuous mode [ 283.402933][ T5707] usb 3-1: new high-speed USB device number 62 using dummy_hcd [ 283.426299][ T8850] hsr_slave_1: entered promiscuous mode [ 283.429453][ T8850] debugfs: 'hsr0' already exists in 'hsr' [ 283.429478][ T8850] Cannot create hsr debugfs directory [ 283.548725][ T5707] usb 3-1: device descriptor read/64, error -71 [ 283.811097][ T5707] usb 3-1: new high-speed USB device number 63 using dummy_hcd [ 283.928662][ T3326] hsr_slave_0: left promiscuous mode [ 283.948287][ T5707] usb 3-1: device descriptor read/64, error -71 [ 283.971003][ T3326] hsr_slave_1: left promiscuous mode [ 283.972075][ T3326] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 283.972203][ T3326] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 284.028160][ T3326] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 284.028205][ T3326] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 284.066107][ T5707] usb usb3-port1: attempt power cycle [ 284.146540][ T3326] veth1_macvtap: left promiscuous mode [ 284.146856][ T3326] veth0_macvtap: left promiscuous mode [ 284.147209][ T3326] veth1_vlan: left promiscuous mode [ 284.147601][ T3326] veth0_vlan: left promiscuous mode [ 284.255078][ T822] usb 1-1: new high-speed USB device number 61 using dummy_hcd [ 284.415943][ T822] usb 1-1: config 1 has too many interfaces: 66, using maximum allowed: 32 [ 284.415974][ T822] usb 1-1: config 1 has an invalid descriptor of length 48, skipping remainder of the config [ 284.415996][ T822] usb 1-1: config 1 has 1 interface, different from the descriptor's value: 66 [ 284.416044][ T822] usb 1-1: config 1 interface 0 altsetting 0 endpoint 0x81 has invalid maxpacket 12288, setting to 64 [ 284.461558][ T5707] usb 3-1: new high-speed USB device number 64 using dummy_hcd [ 284.461760][ T822] usb 1-1: New USB device found, idVendor=7d25, idProduct=a415, bcdDevice= 0.40 [ 284.461892][ T822] usb 1-1: New USB device strings: Mfr=1, Product=4, SerialNumber=0 [ 284.461916][ T822] usb 1-1: Product: syz [ 284.461930][ T822] usb 1-1: Manufacturer: syz [ 284.502970][ T5707] usb 3-1: device descriptor read/8, error -71 [ 284.524498][ T822] cdc_wdm 1-1:1.0: skipping garbage [ 284.524518][ T822] cdc_wdm 1-1:1.0: skipping garbage [ 284.524602][ T822] cdc_wdm 1-1:1.0: probe with driver cdc_wdm failed with error -22 [ 284.734788][ T822] usb 1-1: USB disconnect, device number 61 [ 284.752151][ T5707] usb 3-1: new high-speed USB device number 65 using dummy_hcd [ 284.774655][ T5707] usb 3-1: device descriptor read/8, error -71 [ 284.890977][ T5707] usb usb3-port1: unable to enumerate USB device [ 285.317455][ T3326] team0 (unregistering): Port device team_slave_1 removed [ 285.379746][ T3326] team0 (unregistering): Port device team_slave_0 removed [ 285.877252][ T5278] 8021q: adding VLAN 0 to HW filter on device eth2 [ 286.274246][ T5722] usb 4-1: new high-speed USB device number 48 using dummy_hcd [ 286.462105][ T5722] usb 4-1: Using ep0 maxpacket: 32 [ 286.467016][ T5722] usb 4-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 286.478522][ T60] Bluetooth: hci3: unexpected event 0x2f length: 509 > 260 [ 286.481599][ T5722] usb 4-1: New USB device found, idVendor=22b8, idProduct=6027, bcdDevice=c2.80 [ 286.481631][ T5722] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 286.481653][ T5722] usb 4-1: Product: syz [ 286.481669][ T5722] usb 4-1: Manufacturer: syz [ 286.481684][ T5722] usb 4-1: SerialNumber: syz [ 286.551937][ T5722] usb 4-1: config 0 descriptor?? [ 286.561915][ T5722] cdc_ether 4-1:0.0: Descriptor too short [ 286.583224][ T5722] usb 4-1: unsupported MDLM descriptors [ 286.894662][ T9051] UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy [ 286.895325][ T9051] misc raw-gadget: fail, usb_gadget_register_driver returned -16 [ 288.620597][ T60] Bluetooth: hci0: unexpected event 0x2f length: 509 > 260 [ 289.138171][ T3326] IPVS: stop unused estimator thread 0... [ 289.307564][ T5707] usb 4-1: USB disconnect, device number 48 [ 289.490166][ T9098] netlink: 'syz.2.1217': attribute type 21 has an invalid length. [ 289.490190][ T9098] netlink: 168 bytes leftover after parsing attributes in process `syz.2.1217'. [ 291.290592][ T9132] FAULT_INJECTION: forcing a failure. [ 291.290592][ T9132] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 291.290632][ T9132] CPU: 0 UID: 0 PID: 9132 Comm: syz.2.1226 Tainted: G L syzkaller #0 PREEMPT_{RT,(full)} [ 291.290664][ T9132] Tainted: [L]=SOFTLOCKUP [ 291.290672][ T9132] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 291.290686][ T9132] Call Trace: [ 291.290695][ T9132] [ 291.290705][ T9132] dump_stack_lvl+0xe8/0x150 [ 291.290739][ T9132] should_fail_ex+0x46b/0x600 [ 291.290781][ T9132] _copy_to_user+0x31/0xb0 [ 291.290812][ T9132] simple_read_from_buffer+0xe1/0x170 [ 291.290848][ T9132] proc_fail_nth_read+0x1be/0x230 [ 291.290885][ T9132] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 291.290928][ T9132] ? rw_verify_area+0x2ac/0x4e0 [ 291.290963][ T9132] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 291.290998][ T9132] vfs_read+0x212/0xa80 [ 291.291051][ T9132] ? __pfx_vfs_read+0x10/0x10 [ 291.291089][ T9132] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 291.291124][ T9132] ? lockdep_hardirqs_on+0x7a/0x110 [ 291.291157][ T9132] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 291.291190][ T9132] ? mutex_lock_nested+0x152/0x1d0 [ 291.291214][ T9132] ? fdget_pos+0x252/0x320 [ 291.291256][ T9132] ksys_read+0x156/0x270 [ 291.291281][ T9132] ? __pfx_ksys_read+0x10/0x10 [ 291.291312][ T9132] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 291.291337][ T9132] do_syscall_64+0x15f/0xf80 [ 291.291370][ T9132] ? trace_irq_disable+0x3b/0x140 [ 291.291406][ T9132] ? clear_bhb_loop+0x40/0x90 [ 291.291435][ T9132] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 291.291458][ T9132] RIP: 0033:0x7fd5235dd68e [ 291.291479][ T9132] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 291.291500][ T9132] RSP: 002b:00007fd52186dfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 291.291523][ T9132] RAX: ffffffffffffffda RBX: 00007fd52186e6c0 RCX: 00007fd5235dd68e [ 291.291540][ T9132] RDX: 000000000000000f RSI: 00007fd52186e0a0 RDI: 0000000000000005 [ 291.291555][ T9132] RBP: 00007fd52186e090 R08: 0000000000000000 R09: 0000000000000000 [ 291.291569][ T9132] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 291.291581][ T9132] R13: 00007fd523896038 R14: 00007fd523895fa0 R15: 00007ffc3bb77c38 [ 291.291616][ T9132] [ 291.551446][ T8850] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 291.633008][ T8850] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 291.635932][ T8850] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 291.788432][ T8850] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 291.831001][ T8850] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 291.998606][ T8850] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 292.050331][ T8850] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 292.112901][ T9] usb 1-1: new high-speed USB device number 62 using dummy_hcd [ 292.215815][ T8850] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 292.274860][ T9] usb 1-1: Using ep0 maxpacket: 8 [ 292.277259][ T9] usb 1-1: config 0 has 1 interface, different from the descriptor's value: 13 [ 292.283313][ T9] usb 1-1: New USB device found, idVendor=046d, idProduct=08ae, bcdDevice=11.58 [ 292.283342][ T9] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 292.283362][ T9] usb 1-1: Product: syz [ 292.283376][ T9] usb 1-1: Manufacturer: syz [ 292.283390][ T9] usb 1-1: SerialNumber: syz [ 292.337098][ T9] usb 1-1: config 0 descriptor?? [ 292.366014][ T9] gspca_main: gspca_zc3xx-2.14.0 probing 046d:08ae [ 292.384066][ T822] usb 4-1: new high-speed USB device number 49 using dummy_hcd [ 292.544867][ T822] usb 4-1: Using ep0 maxpacket: 32 [ 292.550502][ T822] usb 4-1: New USB device found, idVendor=0763, idProduct=2012, bcdDevice= 0.40 [ 292.550535][ T822] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 292.550559][ T822] usb 4-1: Product: syz [ 292.550575][ T822] usb 4-1: Manufacturer: syz [ 292.550591][ T822] usb 4-1: SerialNumber: syz [ 292.674613][ T5707] usb 3-1: new high-speed USB device number 66 using dummy_hcd [ 292.837108][ T5707] usb 3-1: Using ep0 maxpacket: 16 [ 292.843160][ T5707] usb 3-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 292.843190][ T5707] usb 3-1: config 0 has no interfaces? [ 292.855645][ T5707] usb 3-1: New USB device found, idVendor=0e20, idProduct=0101, bcdDevice=7a.5a [ 292.855719][ T5707] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 292.855841][ T5707] usb 3-1: Product: syz [ 292.855898][ T5707] usb 3-1: Manufacturer: syz [ 292.855942][ T5707] usb 3-1: SerialNumber: syz [ 292.922100][ T9] gspca_zc3xx: reg_w_i err -110 [ 292.965238][ T5707] usb 3-1: config 0 descriptor?? [ 293.422065][ T5707] usb 3-1: USB disconnect, device number 66 [ 293.426953][ T822] usb 4-1: Fast Track Pro switching to config #2 [ 293.477666][ T822] usb 4-1: USB disconnect, device number 49 [ 293.552333][ T8850] 8021q: adding VLAN 0 to HW filter on device bond0 [ 293.573419][ T9] gspca_zc3xx: Unknown sensor - set to TAS5130C [ 293.573521][ T9] gspca_zc3xx 1-1:0.0: probe with driver gspca_zc3xx failed with error -110 [ 293.667584][ T8850] 8021q: adding VLAN 0 to HW filter on device team0 [ 293.696193][ T3326] bridge0: port 1(bridge_slave_0) entered blocking state [ 293.696367][ T3326] bridge0: port 1(bridge_slave_0) entered forwarding state [ 293.782527][ T3326] bridge0: port 2(bridge_slave_1) entered blocking state [ 293.782786][ T3326] bridge0: port 2(bridge_slave_1) entered forwarding state [ 294.387322][ T60] Bluetooth: hci3: command 0x0406 tx timeout [ 294.510917][ T10] usb 4-1: new high-speed USB device number 50 using dummy_hcd [ 294.707055][ T10] usb 4-1: Using ep0 maxpacket: 32 [ 294.718160][ T10] usb 4-1: config 0 has an invalid interface number: 51 but max is 0 [ 294.718188][ T10] usb 4-1: config 0 has no interface number 0 [ 294.745717][ T10] usb 4-1: New USB device found, idVendor=061d, idProduct=c150, bcdDevice=ce.6f [ 294.745807][ T10] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 294.745870][ T10] usb 4-1: Product: syz [ 294.745918][ T10] usb 4-1: Manufacturer: syz [ 294.745965][ T10] usb 4-1: SerialNumber: syz [ 294.820872][ T10] usb 4-1: config 0 descriptor?? [ 294.856724][ T10] quatech2 4-1:0.51: Quatech 2nd gen USB to Serial Driver converter detected [ 295.160834][ T5630] Bluetooth: hci3: unexpected event for opcode 0x041b [ 295.208428][ T9194] UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy [ 295.208955][ T9194] misc raw-gadget: fail, usb_gadget_register_driver returned -16 [ 295.280732][ T32] usb 1-1: USB disconnect, device number 62 [ 295.373989][ T10] usb 4-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB0 [ 295.469350][ C0] quatech-serial ttyUSB0: qt2_process_read_urb - change_port message too short [ 295.613480][ T10] usb 4-1: Quatech 2nd gen USB to Serial Driver converter now attached to ttyUSB1 [ 296.156908][ T8850] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 296.763181][ T8850] veth0_vlan: entered promiscuous mode [ 296.871861][ T8850] veth1_vlan: entered promiscuous mode [ 297.236670][ T8850] veth0_macvtap: entered promiscuous mode [ 297.300785][ T8850] veth1_macvtap: entered promiscuous mode [ 297.318481][ T10] usb 1-1: new high-speed USB device number 63 using dummy_hcd [ 297.429682][ T8850] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 297.477376][ T10] usb 1-1: device descriptor read/64, error -71 [ 297.550663][ C0] usb 4-1: qt2_read_bulk_callback - non-zero urb status: -71 [ 297.552771][ T1009] usb 4-1: USB disconnect, device number 50 [ 297.578617][ T8850] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 297.642310][ T1009] quatech-serial ttyUSB0: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB0 [ 297.738282][ T10] usb 1-1: new high-speed USB device number 64 using dummy_hcd [ 297.755324][ T13] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 297.779625][ T13] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 297.789645][ T13] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 297.789800][ T13] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 297.845905][ T1009] quatech-serial ttyUSB1: Quatech 2nd gen USB to Serial Driver converter now disconnected from ttyUSB1 [ 297.880442][ T10] usb 1-1: device descriptor read/64, error -71 [ 297.899155][ T1009] quatech2 4-1:0.51: device disconnected [ 297.996766][ T10] usb usb1-port1: attempt power cycle [ 298.380832][ T10] usb 1-1: new high-speed USB device number 65 using dummy_hcd [ 298.417299][ T10] usb 1-1: device descriptor read/8, error -71 [ 298.723107][ T10] usb 1-1: new high-speed USB device number 66 using dummy_hcd [ 298.744092][ T10] usb 1-1: device descriptor read/8, error -71 [ 298.891001][ T10] usb usb1-port1: unable to enumerate USB device [ 299.025016][ T3326] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 299.025038][ T3326] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 299.121517][ T9217] netlink: 176 bytes leftover after parsing attributes in process `syz.3.1238'. [ 299.161743][ T3408] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 299.161766][ T3408] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 299.162326][ T9218] netlink: 176 bytes leftover after parsing attributes in process `syz.3.1238'. [ 301.071327][ T5785] usb 3-1: new full-speed USB device number 67 using dummy_hcd [ 301.238193][ T5785] usb 3-1: New USB device found, idVendor=09c0, idProduct=0203, bcdDevice=d3.43 [ 301.238225][ T5785] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 301.266558][ T5785] usb 3-1: config 0 descriptor?? [ 301.298467][ T5785] dvb-usb: found a 'Genpix SkyWalker-1 DVB-S receiver' in warm state. [ 301.744424][ T9246] ubi: mtd0 is already attached to ubi0 [ 301.832107][ T9250] mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium [ 302.691216][ T5785] gp8psk: usb in 138 operation failed. [ 302.691238][ T5785] dvb-usb: This USB2.0 device cannot be run on a USB1.1 port. (it lacks a hardware PID filter) [ 302.691278][ T5785] dvb-usb: Genpix SkyWalker-1 DVB-S receiver error while loading driver (-19) [ 302.756580][ T5785] usb 3-1: USB disconnect, device number 67 [ 303.015547][ T9252] usb usb9: Requested nonsensical USBDEVFS_URB_SHORT_NOT_OK. [ 303.015572][ T9252] usb usb9: Requested nonsensical USBDEVFS_URB_ZERO_PACKET. [ 303.422082][ T5600] usb 1-1: new high-speed USB device number 67 using dummy_hcd [ 303.595892][ T5600] usb 1-1: Using ep0 maxpacket: 32 [ 303.623508][ T5600] usb 1-1: unable to get BOS descriptor or descriptor too short [ 303.645341][ T5600] usb 1-1: New USB device found, idVendor=0499, idProduct=1054, bcdDevice= 0.40 [ 303.645374][ T5600] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 303.645394][ T5600] usb 1-1: Product: syz [ 303.645409][ T5600] usb 1-1: Manufacturer: syz [ 303.645425][ T5600] usb 1-1: SerialNumber: syz [ 303.999634][ T5600] usb 1-1: parse_audio_format_rates_v2v3(): unable to find clock source (clock -22) [ 304.048188][ T5600] usb 1-1: unit 37 not found! [ 304.048211][ T5600] usb 1-1: unit 0 not found! [ 304.492786][ T5600] usb 1-1: USB disconnect, device number 67 [ 305.170126][ T5768] udevd[5768]: error opening ATTR{/sys/devices/platform/dummy_hcd.0/usb1/1-1/1-1:1.0/sound/card3/controlC3/../uevent} for writing: No such file or directory [ 305.900236][ T38] audit: type=1326 audit(2000000117.444:9): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined pid=9298 comm="syz.0.1266" exe="/root/ci-upstream-rust-kasan-gce/syz-executor" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7f769bfece59 code=0x0 [ 313.075026][ T5630] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci4/hci4:201' [ 313.075058][ T5630] CPU: 1 UID: 0 PID: 5630 Comm: kworker/u9:5 Tainted: G L syzkaller #0 PREEMPT_{RT,(full)} [ 313.075091][ T5630] Tainted: [L]=SOFTLOCKUP [ 313.075099][ T5630] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 313.075116][ T5630] Workqueue: hci4 hci_rx_work [ 313.075151][ T5630] Call Trace: [ 313.075161][ T5630] [ 313.075171][ T5630] dump_stack_lvl+0xe8/0x150 [ 313.075205][ T5630] sysfs_create_dir_ns+0x271/0x2a0 [ 313.075240][ T5630] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 313.075271][ T5630] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 313.075309][ T5630] ? rt_spin_unlock+0x160/0x200 [ 313.075339][ T5630] kobject_add_internal+0x631/0xd10 [ 313.075375][ T5630] kobject_add+0x163/0x240 [ 313.075406][ T5630] ? __pfx_kobject_add+0x10/0x10 [ 313.075438][ T5630] ? get_device_parent+0x370/0x3a0 [ 313.075472][ T5630] device_add+0x408/0xb90 [ 313.075504][ T5630] hci_conn_add_sysfs+0xd5/0x210 [ 313.075537][ T5630] le_conn_complete_evt+0x10e6/0x16b0 [ 313.075586][ T5630] ? __pfx_le_conn_complete_evt+0x10/0x10 [ 313.075625][ T5630] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 313.075660][ T5630] ? lockdep_hardirqs_on+0x7a/0x110 [ 313.075698][ T5630] ? skb_pull_data+0xfb/0x200 [ 313.075727][ T5630] hci_le_conn_complete_evt+0x187/0x470 [ 313.075773][ T5630] hci_event_packet+0x659/0xef0 [ 313.075811][ T5630] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 313.075848][ T5630] ? __pfx_hci_le_meta_evt+0x10/0x10 [ 313.075883][ T5630] ? __pfx_hci_event_packet+0x10/0x10 [ 313.075913][ T5630] ? rt_spin_unlock+0x14f/0x200 [ 313.075950][ T5630] ? hci_send_to_monitor+0xe2/0x590 [ 313.075978][ T5630] hci_rx_work+0x3ee/0x1040 [ 313.076025][ T5630] ? process_one_work+0x8be/0x1630 [ 313.076056][ T5630] process_one_work+0x98b/0x1630 [ 313.076114][ T5630] ? __pfx_process_one_work+0x10/0x10 [ 313.076145][ T5630] ? do_raw_spin_lock+0x12b/0x2f0 [ 313.076200][ T5630] worker_thread+0xb49/0x1140 [ 313.076245][ T5630] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 313.076294][ T5630] kthread+0x389/0x470 [ 313.076320][ T5630] ? __pfx_worker_thread+0x10/0x10 [ 313.076353][ T5630] ? __pfx_kthread+0x10/0x10 [ 313.076380][ T5630] ret_from_fork+0x514/0xb70 [ 313.076411][ T5630] ? __pfx_ret_from_fork+0x10/0x10 [ 313.076440][ T5630] ? __switch_to+0xc79/0x1410 [ 313.076466][ T5630] ? __pfx_kthread+0x10/0x10 [ 313.076494][ T5630] ret_from_fork_asm+0x1a/0x30 [ 313.076544][ T5630] [ 313.076600][ T5630] kobject: kobject_add_internal failed for hci4:201 with -EEXIST, don't try to register things with the same name in the same directory. [ 313.076642][ T5630] Bluetooth: hci4: failed to register connection device [ 313.803512][ T5707] hid-generic 0000:0000:0000.001B: unknown main item tag 0x0 [ 314.007061][ T9] hid-generic 0000:0000:0000.001A: unknown main item tag 0x0 [ 314.075641][ T5707] hid-generic 0000:0000:0000.001B: hidraw0: HID v0.00 Device [syz1] on syz0 [ 314.220518][ T9] hid-generic 0000:0000:0000.001A: hidraw1: HID v0.00 Device [syz1] on syz0 [ 315.503021][ T9400] fido_id[9400]: Failed to open report descriptor at '/sys/devices/virtual/misc/uhid/report_descriptor': No such file or directory [ 316.040673][ T9419] netlink: 104 bytes leftover after parsing attributes in process `syz.2.1309'. [ 316.952261][ T9427] 9p: Bad value for 'rfdno' [ 317.030658][ T9431] netlink: 'syz.1.1316': attribute type 10 has an invalid length. [ 317.456094][ T9431] 8021q: adding VLAN 0 to HW filter on device bond0 [ 317.485443][ T9431] team0: Port device bond0 added [ 318.018162][ T9446] dummy0: entered allmulticast mode [ 318.142429][ T9452] fuse: fd is not a fuse device [ 319.117346][ T5630] sysfs: cannot create dupl[ 319.117346][ T5630] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:201' [ 319.117452][ T5630] CPU: 1 UID: 0 PID: 5630 Comm: kworker/u9:5 Tainted: G L syzkaller #0 PREEMPT_{RT,(full)} [ 319.117488][ T5630] Tainted: [L]=SOFTLOCKUP [ 319.117497][ T5630] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 319.117512][ T5630] Workqueue: hci0 hci_rx_work [ 319.117548][ T5630] Call Trace: [ 319.117557][ T5630] [ 319.117567][ T5630] dump_stack_lvl+0xe8/0x150 [ 319.117602][ T5630] sysfs_create_dir_ns+0x271/0x2a0 [ 319.117637][ T5630] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 319.117667][ T5630] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 319.117706][ T5630] ? rt_spin_unlock+0x160/0x200 [ 319.117745][ T5630] kobject_add_internal+0x631/0xd10 [ 319.117783][ T5630] kobject_add+0x163/0x240 [ 319.117814][ T5630] ? __pfx_kobject_add+0x10/0x10 [ 319.117848][ T5630] ? get_device_parent+0x370/0x3a0 [ 319.117883][ T5630] device_add+0x408/0xb90 [ 319.117916][ T5630] hci_conn_add_sysfs+0xd5/0x210 [ 319.117950][ T5630] le_conn_complete_evt+0x10e6/0x16b0 [ 319.117988][ T5630] ? lockdep_hardirqs_on+0x7a/0x110 [ 319.118032][ T5630] ? __pfx_le_conn_complete_evt+0x10/0x10 [ 319.118076][ T5630] ? __pfx_hci_le_meta_evt+0x10/0x10 [ 319.118111][ T5630] ? skb_pull_data+0xfb/0x200 [ 319.118144][ T5630] hci_le_conn_complete_evt+0x187/0x470 [ 319.118190][ T5630] hci_event_packet+0x659/0xef0 [ 319.118228][ T5630] ? __pfx____migrate_enable+0x10/0x10 [ 319.118251][ T5630] ? __pfx_hci_le_meta_evt+0x10/0x10 [ 319.118286][ T5630] ? __pfx_hci_event_packet+0x10/0x10 [ 319.118317][ T5630] ? preempt_schedule_common+0x82/0xd0 [ 319.118351][ T5630] ? preempt_schedule_thunk+0x16/0x40 [ 319.118395][ T5630] ? hci_send_to_monitor+0xe2/0x590 [ 319.118424][ T5630] hci_rx_work+0x3ee/0x1040 [ 319.118458][ T5630] ? preempt_schedule_thunk+0x16/0x40 [ 319.118503][ T5630] ? process_one_work+0x8be/0x1630 [ 319.118536][ T5630] process_one_work+0x98b/0x1630 [ 319.118594][ T5630] ? __pfx_process_one_work+0x10/0x10 [ 319.118626][ T5630] ? do_raw_spin_lock+0x12b/0x2f0 [ 319.118703][ T5630] worker_thread+0xb49/0x1140 [ 319.118757][ T5630] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 319.118808][ T5630] kthread+0x389/0x470 [ 319.118835][ T5630] ? __pfx_worker_thread+0x10/0x10 [ 319.118868][ T5630] ? __pfx_kthread+0x10/0x10 [ 319.118896][ T5630] ret_from_fork+0x514/0xb70 [ 319.118929][ T5630] ? __pfx_ret_from_fork+0x10/0x10 [ 319.118959][ T5630] ? __switch_to+0xc79/0x1410 [ 319.118986][ T5630] ? __pfx_kthread+0x10/0x10 [ 319.119013][ T5630] ret_from_fork_asm+0x1a/0x30 [ 319.119064][ T5630] [ 319.119178][ T5630] kobject: kobject_add_internal failed for hci0:201 with -EEXIST, don't try to register things with the same name in the same directory. [ 319.119222][ T5630] Bluetooth: hci0: failed to register connection device [ 319.164693][ T5630] ================================================================== [ 319.164712][ T5630] BUG: KASAN: slab-use-after-free in l2cap_sock_new_connection_cb+0x208/0x2f0 [ 319.164806][ T5630] Read of size 8 at addr ffff88803d752830 by task kworker/u9:5/5630 [ 319.164828][ T5630] [ 319.164845][ T5630] CPU: 1 UID: 0 PID: 5630 Comm: kworker/u9:5 Tainted: G L syzkaller #0 PREEMPT_{RT,(full)} [ 319.164879][ T5630] Tainted: [L]=SOFTLOCKUP [ 319.164888][ T5630] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 319.164905][ T5630] Workqueue: hci0 hci_rx_work [ 319.164937][ T5630] Call Trace: [ 319.164946][ T5630] [ 319.164957][ T5630] dump_stack_lvl+0xe8/0x150 [ 319.164988][ T5630] print_address_description+0x55/0x1e0 [ 319.165022][ T5630] ? l2cap_sock_new_connection_cb+0x208/0x2f0 [ 319.165051][ T5630] print_report+0x58/0x70 [ 319.165079][ T5630] kasan_report+0x117/0x150 [ 319.165104][ T5630] ? l2cap_sock_new_connection_cb+0x208/0x2f0 [ 319.165137][ T5630] l2cap_sock_new_connection_cb+0x208/0x2f0 [ 319.165169][ T5630] l2cap_connect_cfm+0x368/0x1560 [ 319.165198][ T5630] ? __pfx_l2cap_connect_cfm+0x10/0x10 [ 319.165222][ T5630] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 319.165258][ T5630] ? lockdep_hardirqs_on+0x7a/0x110 [ 319.165292][ T5630] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 319.165327][ T5630] ? mutex_lock_nested+0x152/0x1d0 [ 319.165352][ T5630] ? hci_connect_cfm+0x2c/0x140 [ 319.165387][ T5630] ? __pfx_l2cap_connect_cfm+0x10/0x10 [ 319.165412][ T5630] hci_connect_cfm+0x95/0x140 [ 319.165448][ T5630] le_conn_complete_evt+0x1134/0x16b0 [ 319.165486][ T5630] ? lockdep_hardirqs_on+0x7a/0x110 [ 319.165523][ T5630] ? __pfx_le_conn_complete_evt+0x10/0x10 [ 319.165563][ T5630] ? __pfx_hci_le_meta_evt+0x10/0x10 [ 319.165597][ T5630] ? skb_pull_data+0xfb/0x200 [ 319.165623][ T5630] hci_le_conn_complete_evt+0x187/0x470 [ 319.165663][ T5630] hci_event_packet+0x659/0xef0 [ 319.165696][ T5630] ? __pfx____migrate_enable+0x10/0x10 [ 319.165718][ T5630] ? __pfx_hci_le_meta_evt+0x10/0x10 [ 319.165760][ T5630] ? __pfx_hci_event_packet+0x10/0x10 [ 319.165789][ T5630] ? preempt_schedule_common+0x82/0xd0 [ 319.165822][ T5630] ? preempt_schedule_thunk+0x16/0x40 [ 319.165861][ T5630] ? hci_send_to_monitor+0xe2/0x590 [ 319.165887][ T5630] hci_rx_work+0x3ee/0x1040 [ 319.165917][ T5630] ? preempt_schedule_thunk+0x16/0x40 [ 319.165957][ T5630] ? process_one_work+0x8be/0x1630 [ 319.165989][ T5630] process_one_work+0x98b/0x1630 [ 319.166033][ T5630] ? __pfx_process_one_work+0x10/0x10 [ 319.166065][ T5630] ? do_raw_spin_lock+0x12b/0x2f0 [ 319.166109][ T5630] worker_thread+0xb49/0x1140 [ 319.166149][ T5630] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 319.166190][ T5630] kthread+0x389/0x470 [ 319.166214][ T5630] ? __pfx_worker_thread+0x10/0x10 [ 319.166248][ T5630] ? __pfx_kthread+0x10/0x10 [ 319.166273][ T5630] ret_from_fork+0x514/0xb70 [ 319.166302][ T5630] ? __pfx_ret_from_fork+0x10/0x10 [ 319.166329][ T5630] ? __switch_to+0xc79/0x1410 [ 319.166352][ T5630] ? __pfx_kthread+0x10/0x10 [ 319.166377][ T5630] ret_from_fork_asm+0x1a/0x30 [ 319.166417][ T5630] [ 319.166426][ T5630] [ 319.166431][ T5630] Allocated by task 5630: [ 319.166442][ T5630] kasan_save_track+0x3e/0x80 [ 319.166475][ T5630] __kasan_kmalloc+0x93/0xb0 [ 319.166508][ T5630] __kmalloc_noprof+0x3e7/0x7b0 [ 319.166543][ T5630] sk_prot_alloc+0xe7/0x210 [ 319.166574][ T5630] sk_alloc+0x3a/0x390 [ 319.166603][ T5630] bt_sock_alloc+0x3b/0x340 [ 319.166632][ T5630] l2cap_sock_new_connection_cb+0xf1/0x2f0 [ 319.166658][ T5630] l2cap_connect_cfm+0x368/0x1560 [ 319.166679][ T5630] hci_connect_cfm+0x95/0x140 [ 319.166711][ T5630] le_conn_complete_evt+0x1134/0x16b0 [ 319.166755][ T5630] hci_le_conn_complete_evt+0x187/0x470 [ 319.166788][ T5630] hci_event_packet+0x659/0xef0 [ 319.166814][ T5630] hci_rx_work+0x3ee/0x1040 [ 319.166840][ T5630] process_one_work+0x98b/0x1630 [ 319.166870][ T5630] worker_thread+0xb49/0x1140 [ 319.166901][ T5630] kthread+0x389/0x470 [ 319.166922][ T5630] ret_from_fork+0x514/0xb70 [ 319.166946][ T5630] ret_from_fork_asm+0x1a/0x30 [ 319.166975][ T5630] [ 319.166980][ T5630] Freed by task 9458: [ 319.166991][ T5630] kasan_save_track+0x3e/0x80 [ 319.167022][ T5630] kasan_save_free_info+0x46/0x50 [ 319.167047][ T5630] __kasan_slab_free+0x5c/0x80 [ 319.167080][ T5630] kfree+0x1c5/0x6c0 [ 319.167110][ T5630] __sk_destruct+0x74b/0x9d0 [ 319.167141][ T5630] l2cap_sock_cleanup_listen+0xe0/0x440 [ 319.167166][ T5630] l2cap_sock_release+0x6e/0x270 [ 319.167188][ T5630] __sock_release+0xb9/0x250 [ 319.167210][ T5630] sock_close+0x1c/0x30 [ 319.167230][ T5630] __fput+0x461/0xa70 [ 319.167258][ T5630] task_work_run+0x1d9/0x270 [ 319.167282][ T5630] get_signal+0x11eb/0x1330 [ 319.167311][ T5630] arch_do_signal_or_restart+0xbc/0x840 [ 319.167332][ T5630] exit_to_user_mode_loop+0x8c/0x4d0 [ 319.167354][ T5630] do_syscall_64+0x33e/0xf80 [ 319.167386][ T5630] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 319.167409][ T5630] [ 319.167414][ T5630] The buggy address belongs to the object at ffff88803d752000 [ 319.167414][ T5630] which belongs to the cache kmalloc-4k of size 4096 [ 319.167435][ T5630] The buggy address is located 2096 bytes inside of [ 319.167435][ T5630] freed 4096-byte region [ffff88803d752000, ffff88803d753000) [ 319.167460][ T5630] [ 319.167466][ T5630] The buggy address belongs to the physical page: [ 319.167490][ T5630] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff88803d754000 pfn:0x3d750 [ 319.167514][ T5630] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 319.167534][ T5630] flags: 0x80000000000240(workingset|head|node=0|zone=1) [ 319.167561][ T5630] page_type: f5(slab) [ 319.167582][ T5630] raw: 0080000000000240 ffff88813fea6140 ffff88813fea4d88 ffff88813fea4d88 [ 319.167603][ T5630] raw: ffff88803d754000 0000000800040002 00000000f5000000 0000000000000000 [ 319.167625][ T5630] head: 0080000000000240 ffff88813fea6140 ffff88813fea4d88 ffff88813fea4d88 [ 319.167646][ T5630] head: ffff88803d754000 0000000800040002 00000000f5000000 0000000000000000 [ 319.167667][ T5630] head: 0080000000000003 fffffffffffffe01 00000000ffffffff 00000000ffffffff [ 319.167687][ T5630] head: 00000000000003ea 0000000000000000 00000000ffffffff 0000000000000008 [ 319.167699][ T5630] page dumped because: kasan: bad access detected [ 319.167715][ T5630] page_owner tracks the page as allocated [ 319.167724][ T5630] page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 5630, tgid 5630 (kworker/u9:5), ts 319117254734, free_ts 317923541185 [ 319.167771][ T5630] post_alloc_hook+0x1f9/0x250 [ 319.167805][ T5630] get_page_from_freelist+0x28c1/0x2940 [ 319.167828][ T5630] __alloc_frozen_pages_noprof+0x18d/0x380 [ 319.167851][ T5630] alloc_pages_mpol+0xd1/0x380 [ 319.167871][ T5630] allocate_slab+0x80/0x5e0 [ 319.167897][ T5630] ___slab_alloc+0x160/0x930 [ 319.167923][ T5630] __kmalloc_cache_noprof+0xe7/0x690 [ 319.167943][ T5630] sysfs_create_dir_ns+0x232/0x2a0 [ 319.167973][ T5630] kobject_add_internal+0x631/0xd10 [ 319.167996][ T5630] kobject_add+0x163/0x240 [ 319.168016][ T5630] device_add+0x408/0xb90 [ 319.168038][ T5630] hci_conn_add_sysfs+0xd5/0x210 [ 319.168063][ T5630] le_conn_complete_evt+0x10e6/0x16b0 [ 319.168098][ T5630] hci_le_conn_complete_evt+0x187/0x470 [ 319.168130][ T5630] hci_event_packet+0x659/0xef0 [ 319.168156][ T5630] hci_rx_work+0x3ee/0x1040 [ 319.168183][ T5630] page last free pid 9422 tgid 9421 stack trace: [ 319.168196][ T5630] __free_frozen_pages+0x10af/0x1190 [ 319.168230][ T5630] __folio_put+0x2eb/0x3a0 [ 319.168253][ T5630] mptcp_destroy_common+0xd0/0x330 [ 319.168287][ T5630] mptcp_destroy+0x82/0x120 [ 319.168318][ T5630] __mptcp_destroy_sock+0x156/0x370 [ 319.168343][ T5630] __mptcp_close+0x945/0xd60 [ 319.168368][ T5630] mptcp_close+0x28/0x1a0 [ 319.168397][ T5630] inet_release+0x143/0x190 [ 319.168421][ T5630] __sock_release+0xb9/0x250 [ 319.168442][ T5630] sock_close+0x1c/0x30 [ 319.168462][ T5630] __fput+0x461/0xa70 [ 319.168490][ T5630] task_work_run+0x1d9/0x270 [ 319.168513][ T5630] get_signal+0x11eb/0x1330 [ 319.168542][ T5630] arch_do_signal_or_restart+0xbc/0x840 [ 319.168564][ T5630] exit_to_user_mode_loop+0x8c/0x4d0 [ 319.168584][ T5630] do_syscall_64+0x33e/0xf80 [ 319.168616][ T5630] [ 319.168621][ T5630] Memory state around the buggy address: [ 319.168634][ T5630] ffff88803d752700: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 319.168650][ T5630] ffff88803d752780: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 319.168665][ T5630] >ffff88803d752800: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 319.168678][ T5630] ^ [ 319.168690][ T5630] ffff88803d752880: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 319.168706][ T5630] ffff88803d752900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 319.168718][ T5630] ================================================================== [ 319.168743][ T5630] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 319.168764][ T5630] CPU: 1 UID: 0 PID: 5630 Comm: kworker/u9:5 Tainted: G L syzkaller #0 PREEMPT_{RT,(full)} [ 319.168797][ T5630] Tainted: [L]=SOFTLOCKUP [ 319.168806][ T5630] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 319.168821][ T5630] Workqueue: hci0 hci_rx_work [ 319.168851][ T5630] Call Trace: [ 319.168860][ T5630] [ 319.168869][ T5630] vpanic+0x56c/0xa60 [ 319.168907][ T5630] ? __pfx_vpanic+0x10/0x10 [ 319.168946][ T5630] panic+0xc5/0xd0 [ 319.168980][ T5630] ? __pfx_panic+0x10/0x10 [ 319.169014][ T5630] ? l2cap_sock_new_connection_cb+0x208/0x2f0 [ 319.169044][ T5630] ? rcu_is_watching+0x15/0xb0 [ 319.169075][ T5630] ? l2cap_sock_new_connection_cb+0x208/0x2f0 [ 319.169104][ T5630] check_panic_on_warn+0x89/0xb0 [ 319.169132][ T5630] ? l2cap_sock_new_connection_cb+0x208/0x2f0 [ 319.169161][ T5630] end_report+0x73/0x170 [ 319.169183][ T5630] ? l2cap_sock_new_connection_cb+0x208/0x2f0 [ 319.169211][ T5630] kasan_report+0x128/0x150 [ 319.169234][ T5630] ? l2cap_sock_new_connection_cb+0x208/0x2f0 [ 319.169268][ T5630] l2cap_sock_new_connection_cb+0x208/0x2f0 [ 319.169299][ T5630] l2cap_connect_cfm+0x368/0x1560 [ 319.169328][ T5630] ? __pfx_l2cap_connect_cfm+0x10/0x10 [ 319.169352][ T5630] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 319.169393][ T5630] ? lockdep_hardirqs_on+0x7a/0x110 [ 319.169426][ T5630] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 319.169461][ T5630] ? mutex_lock_nested+0x152/0x1d0 [ 319.169485][ T5630] ? hci_connect_cfm+0x2c/0x140 [ 319.169520][ T5630] ? __pfx_l2cap_connect_cfm+0x10/0x10 [ 319.169546][ T5630] hci_connect_cfm+0x95/0x140 [ 319.169583][ T5630] le_conn_complete_evt+0x1134/0x16b0 [ 319.169620][ T5630] ? lockdep_hardirqs_on+0x7a/0x110 [ 319.169657][ T5630] ? __pfx_le_conn_complete_evt+0x10/0x10 [ 319.169697][ T5630] ? __pfx_hci_le_meta_evt+0x10/0x10 [ 319.169737][ T5630] ? skb_pull_data+0xfb/0x200 [ 319.169762][ T5630] hci_le_conn_complete_evt+0x187/0x470 [ 319.169802][ T5630] hci_event_packet+0x659/0xef0 [ 319.169835][ T5630] ? __pfx____migrate_enable+0x10/0x10 [ 319.169858][ T5630] ? __pfx_hci_le_meta_evt+0x10/0x10 [ 319.169892][ T5630] ? __pfx_hci_event_packet+0x10/0x10 [ 319.169922][ T5630] ? preempt_schedule_common+0x82/0xd0 [ 319.169955][ T5630] ? preempt_schedule_thunk+0x16/0x40 [ 319.169995][ T5630] ? hci_send_to_monitor+0xe2/0x590 [ 319.170021][ T5630] hci_rx_work+0x3ee/0x1040 [ 319.170051][ T5630] ? preempt_schedule_thunk+0x16/0x40 [ 319.170092][ T5630] ? process_one_work+0x8be/0x1630 [ 319.170125][ T5630] process_one_work+0x98b/0x1630 [ 319.170168][ T5630] ? __pfx_process_one_work+0x10/0x10 [ 319.170197][ T5630] ? do_raw_spin_lock+0x12b/0x2f0 [ 319.170242][ T5630] worker_thread+0xb49/0x1140 [ 319.170281][ T5630] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 319.170323][ T5630] kthread+0x389/0x470 [ 319.170348][ T5630] ? __pfx_worker_thread+0x10/0x10 [ 319.170381][ T5630] ? __pfx_kthread+0x10/0x10 [ 319.170407][ T5630] ret_from_fork+0x514/0xb70 [ 319.170436][ T5630] ? __pfx_ret_from_fork+0x10/0x10 [ 319.170464][ T5630] ? __switch_to+0xc79/0x1410 [ 319.170488][ T5630] ? __pfx_kthread+0x10/0x10 [ 319.170513][ T5630] ret_from_fork_asm+0x1a/0x30 [ 319.170553][ T5630] [ 319.171169][ T5630] Kernel Offset: disabled