./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2050428486 <...> Warning: Permanently added '10.128.0.78' (ED25519) to the list of known hosts. execve("./syz-executor2050428486", ["./syz-executor2050428486"], 0x7ffd84edefa0 /* 10 vars */) = 0 brk(NULL) = 0x55557e289000 brk(0x55557e289d40) = 0x55557e289d40 arch_prctl(ARCH_SET_FS, 0x55557e2893c0) = 0 set_tid_address(0x55557e289690) = 5834 set_robust_list(0x55557e2896a0, 24) = 0 rseq(0x55557e289ce0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2050428486", 4096) = 28 getrandom("\x5a\x88\x72\x15\x82\xf8\x2e\xdd", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55557e289d40 brk(0x55557e2aad40) = 0x55557e2aad40 brk(0x55557e2ab000) = 0x55557e2ab000 mprotect(0x7fc8561b9000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 unshare(CLONE_NEWPID) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5835 attached [pid 5835] set_robust_list(0x55557e2896a0, 24 [pid 5834] <... clone resumed>, child_tidptr=0x55557e289690) = 5835 [pid 5835] <... set_robust_list resumed>) = 0 [pid 5835] socket(AF_BLUETOOTH, SOCK_RAW, BTPROTO_HCI) = 3 [pid 5835] openat(AT_FDCWD, "/dev/vhci", O_RDWR) = 4 [pid 5835] dup2(4, 202) = 202 [pid 5835] close(4) = 0 [pid 5835] write(202, "\xff\x00", 2) = 2 [pid 5835] read(202, "\xff\x00\x00\x00", 4) = 4 [pid 5835] rt_sigaction(SIGRT_1, {sa_handler=0x7fc85615e050, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fc85614f6d0}, NULL, 8) = 0 [pid 5835] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5835] mmap(NULL, 8392704, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc8558ef000 [pid 5835] mprotect(0x7fc8558f0000, 8388608, PROT_READ|PROT_WRITE) = 0 [pid 5835] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5835] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fc8560ef990, parent_tid=0x7fc8560ef990, exit_signal=0, stack=0x7fc8558ef000, stack_size=0x800300, tls=0x7fc8560ef6c0}./strace-static-x86_64: Process 5839 attached [pid 5839] rseq(0x7fc8560effe0, 0x20, 0, 0x53053053 [pid 5835] <... clone3 resumed> => {parent_tid=[2]}, 88) = 2 [pid 5839] <... rseq resumed>) = 0 [pid 5839] set_robust_list(0x7fc8560ef9a0, 24) = 0 [pid 5839] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5839] read(202, [pid 5835] rt_sigprocmask(SIG_SETMASK, [], [pid 5839] <... read resumed>"\x01\x03\x0c\x00", 1024) = 4 [pid 5835] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5839] writev(202, [{iov_base="\x04", iov_len=1}, {iov_base="\x0e\xfc", iov_len=2}, {iov_base="\x01\x03\x0c", iov_len=3}, {iov_base="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=249}], 4 [pid 5835] ioctl(3, HCIDEVUP [pid 5839] <... writev resumed>) = 255 [pid 5839] read(202, "\x01\x03\x10\x00", 1024) = 4 [pid 5839] writev(202, [{iov_base="\x04", iov_len=1}, {iov_base="\x0e\xfc", iov_len=2}, {iov_base="\x01\x03\x10", iov_len=3}, {iov_base="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=249}], 4) = 255 [pid 5839] read(202, "\x01\x01\x10\x00", 1024) = 4 [pid 5839] writev(202, [{iov_base="\x04", iov_len=1}, {iov_base="\x0e\xfc", iov_len=2}, {iov_base="\x01\x01\x10", iov_len=3}, {iov_base="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=249}], 4) = 255 [ 74.980316][ T55] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 74.990524][ T55] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [pid 5839] read(202, "\x01\x09\x10\x00", 1024) = 4 [pid 5839] writev(202, [{iov_base="\x04", iov_len=1}, {iov_base="\x0e\x0a", iov_len=2}, {iov_base="\x01\x09\x10", iov_len=3}, {iov_base="\x00\xaa\xaa\xaa\xaa\xaa\xaa", iov_len=7}], 4) = 13 [pid 5839] read(202, "\x01\x05\x10\x00", 1024) = 4 [pid 5839] writev(202, [{iov_base="\x04", iov_len=1}, {iov_base="\x0e\x0b", iov_len=2}, {iov_base="\x01\x05\x10", iov_len=3}, {iov_base="\x00\xfd\x03\x60\x04\x00\x06\x00", iov_len=8}], 4) = 14 [pid 5839] read(202, "\x01\x23\x0c\x00", 1024) = 4 [pid 5839] writev(202, [{iov_base="\x04", iov_len=1}, {iov_base="\x0e\xfc", iov_len=2}, {iov_base="\x01\x23\x0c", iov_len=3}, {iov_base="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=249}], 4) = 255 [ 75.021915][ T55] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [pid 5839] read(202, "\x01\x14\x0c\x00", 1024) = 4 [pid 5839] writev(202, [{iov_base="\x04", iov_len=1}, {iov_base="\x0e\xfc", iov_len=2}, {iov_base="\x01\x14\x0c", iov_len=3}, {iov_base="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=249}], 4) = 255 [pid 5839] read(202, "\x01\x25\x0c\x00", 1024) = 4 [pid 5839] writev(202, [{iov_base="\x04", iov_len=1}, {iov_base="\x0e\xfc", iov_len=2}, {iov_base="\x01\x25\x0c", iov_len=3}, {iov_base="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=249}], 4) = 255 [pid 5839] read(202, "\x01\x38\x0c\x00", 1024) = 4 [pid 5839] writev(202, [{iov_base="\x04", iov_len=1}, {iov_base="\x0e\xfc", iov_len=2}, {iov_base="\x01\x38\x0c", iov_len=3}, {iov_base="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=249}], 4) = 255 [pid 5839] read(202, "\x01\x39\x0c\x00", 1024) = 4 [pid 5839] writev(202, [{iov_base="\x04", iov_len=1}, {iov_base="\x0e\xfc", iov_len=2}, {iov_base="\x01\x39\x0c", iov_len=3}, {iov_base="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=249}], 4) = 255 [ 75.086929][ T55] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 75.110148][ T55] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [pid 5839] read(202, "\x01\x16\x0c\x02\x00\x7d", 1024) = 6 [pid 5839] writev(202, [{iov_base="\x04", iov_len=1}, {iov_base="\x0e\xfc", iov_len=2}, {iov_base="\x01\x16\x0c", iov_len=3}, {iov_base="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=249}], 4) = 255 [pid 5839] read(202, [pid 5835] <... ioctl resumed>, 0) = -1 EALREADY (Operation already in progress) [pid 5835] ioctl(3, HCISETSCAN [pid 5839] <... read resumed>"\x01\x1a\x0c\x01\x02", 1024) = 5 [pid 5839] writev(202, [{iov_base="\x04", iov_len=1}, {iov_base="\x0e\x04", iov_len=2}, {iov_base="\x01\x1a\x0c", iov_len=3}, {iov_base="\x00", iov_len=1}], 4) = 7 [pid 5839] rt_sigprocmask(SIG_BLOCK, ~[RT_1], [pid 5835] <... ioctl resumed>, 0x7ffd71f3f454) = 0 [pid 5839] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5835] writev(202, [{iov_base="\x04", iov_len=1}, {iov_base="\x04\x0a", iov_len=2}, {iov_base="\xaa\xaa\xaa\xaa\xaa\x10\x00\x00\x00\x01", iov_len=10}], 3 [pid 5839] madvise(0x7fc8558ef000, 8372224, MADV_DONTNEED) = 0 [pid 5835] <... writev resumed>) = 13 [pid 5839] exit(0) = ? [pid 5835] writev(202, [{iov_base="\x04", iov_len=1}, {iov_base="\x03\x0b", iov_len=2}, {iov_base="\x00\xc8\x00\xaa\xaa\xaa\xaa\xaa\x10\x01\x00", iov_len=11}], 3 [pid 5839] +++ exited with 0 +++ [pid 5835] <... writev resumed>) = 14 [pid 5835] writev(202, [{iov_base="\x04", iov_len=1}, {iov_base="\v\v", iov_len=2}, {iov_base="\x00\xc8\x00\x00\x00\x00\x00\x00\x00\x00\x00", iov_len=11}], 3) = 14 [pid 5835] writev(202, [{iov_base="\x04", iov_len=1}, {iov_base="\x3e\x13", iov_len=2}, {iov_base="\x01\x00\xc9\x00\x01\x00\xaa\xaa\xaa\xaa\xaa\x11\x00\x00\x00\x00\x00\x00\x00", iov_len=19}], 3) = 22 [ 75.141063][ T55] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [pid 5835] close(3) = 0 [pid 5835] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5835] getppid() = 0 [pid 5835] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5835] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5835] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5835] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5835] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5835] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5835] unshare(CLONE_NEWNS) = 0 [pid 5835] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5835] unshare(CLONE_NEWIPC) = 0 [pid 5835] unshare(CLONE_NEWCGROUP) = 0 [pid 5835] unshare(CLONE_NEWUTS) = 0 [pid 5835] unshare(CLONE_SYSVSEM) = 0 [pid 5835] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5835] write(3, "16777216", 8) = 8 [pid 5835] close(3) = 0 [pid 5835] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5835] write(3, "536870912", 9) = 9 [pid 5835] close(3) = 0 [pid 5835] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5835] write(3, "1024", 4) = 4 [pid 5835] close(3) = 0 [pid 5835] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5835] write(3, "8192", 4) = 4 [pid 5835] close(3) = 0 [pid 5835] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5835] write(3, "1024", 4) = 4 [pid 5835] close(3) = 0 [pid 5835] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5835] write(3, "1024", 4) = 4 [pid 5835] close(3) = 0 [pid 5835] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5835] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5835] close(3) = 0 [pid 5835] getpid() = 1 [pid 5835] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1<magic != lock) [ 76.551151][ T47] WARNING: CPU: 1 PID: 47 at kernel/locking/mutex.c:564 __mutex_lock+0xdac/0xee0 [ 76.566699][ T47] Modules linked in: [ 76.570672][ T47] CPU: 1 UID: 0 PID: 47 Comm: kworker/1:1 Not tainted 6.13.0-rc3-syzkaller-00193-ge9b8ffafd20a #0 [ 76.581896][ T47] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 76.592055][ T47] Workqueue: usb_hub_wq hub_event [ 76.597171][ T47] RIP: 0010:__mutex_lock+0xdac/0xee0 [ 76.602471][ T47] Code: 0f b6 04 38 84 c0 0f 85 1a 01 00 00 83 3d 2f 85 4f 04 00 75 19 90 48 c7 c7 e0 82 0a 8c 48 c7 c6 80 83 0a 8c e8 b5 ec 95 f5 90 <0f> 0b 90 90 90 e9 c7 f3 ff ff 90 0f 0b 90 e9 29 f8 ff ff 90 0f 0b [ 76.622153][ T47] RSP: 0018:ffffc90000b76940 EFLAGS: 00010246 [ 76.628287][ T47] RAX: fe761b5f58ca3700 RBX: ffff88803264a518 RCX: ffff888020ea0000 [ 76.636325][ T47] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 76.644324][ T47] RBP: ffffc90000b76ad0 R08: ffffffff81601a42 R09: fffffbfff1cfa210 [ 76.652396][ T47] R10: dffffc0000000000 R11: fffffbfff1cfa210 R12: 0000000000000000 [ 76.660485][ T47] R13: 0000000000000000 R14: 1ffff9200016ed3c R15: dffffc0000000000 [ 76.668549][ T47] FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 [ 76.677636][ T47] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.684242][ T47] CR2: 0000564d3b9fe810 CR3: 000000007b72a000 CR4: 00000000003526f0 [ 76.692302][ T47] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 76.700338][ T47] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 76.708364][ T47] Call Trace: [ 76.711717][ T47] [ 76.714645][ T47] ? __warn+0x165/0x4d0 [ 76.718868][ T47] ? __mutex_lock+0xdac/0xee0 [ 76.723577][ T47] ? report_bug+0x2b3/0x500 [ 76.728171][ T47] ? __mutex_lock+0xdac/0xee0 [ 76.732902][ T47] ? handle_bug+0x60/0x90 [ 76.737424][ T47] ? exc_invalid_op+0x1a/0x50 [ 76.742135][ T47] ? asm_exc_invalid_op+0x1a/0x20 [ 76.747231][ T47] ? __warn_printk+0x292/0x360 [ 76.752031][ T47] ? __mutex_lock+0xdac/0xee0 [ 76.756780][ T47] ? uvc_scan_device+0x1026/0x1820 [ 76.761923][ T47] ? vsnprintf+0x184/0x1da0 [ 76.766487][ T47] ? __pfx__dev_info+0x10/0x10 [ 76.771291][ T47] ? uvc_status_unregister+0x2f/0xe0 [ 76.776684][ T47] ? __pfx___mutex_lock+0x10/0x10 [ 76.781749][ T47] ? snprintf+0xda/0x120 [ 76.786115][ T47] ? uvc_scan_device+0x1593/0x1820 [ 76.791294][ T47] ? __pfx_devm_gpiod_get_index+0x10/0x10 [ 76.797102][ T47] uvc_status_unregister+0x2f/0xe0 [ 76.802320][ T47] uvc_unregister_video+0x12b/0x200 [ 76.807578][ T47] uvc_probe+0x9154/0x98e0 [ 76.812034][ T47] ? mark_lock+0x9a/0x360 [ 76.816436][ T47] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 76.822439][ T47] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 76.828825][ T47] ? _raw_spin_unlock_irqrestore+0x8f/0x140 [ 76.834746][ T47] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 76.840706][ T47] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 76.847088][ T47] usb_probe_interface+0x641/0xbb0 [ 76.852263][ T47] ? __pfx_usb_probe_interface+0x10/0x10 [ 76.857974][ T47] really_probe+0x2b8/0xad0 [ 76.862502][ T47] __driver_probe_device+0x1a2/0x390 [ 76.867860][ T47] driver_probe_device+0x50/0x430 [ 76.873013][ T47] __device_attach_driver+0x2d6/0x530 [ 76.878460][ T47] bus_for_each_drv+0x24e/0x2e0 [ 76.883369][ T47] ? __pfx___device_attach_driver+0x10/0x10 [ 76.889424][ T47] ? __pfx_bus_for_each_drv+0x10/0x10 [ 76.894839][ T47] __device_attach+0x333/0x520 [ 76.899688][ T47] ? __pfx_lock_release+0x10/0x10 [ 76.904751][ T47] ? __pfx___device_attach+0x10/0x10 [ 76.910108][ T47] ? do_raw_spin_unlock+0x13c/0x8b0 [ 76.915371][ T47] bus_probe_device+0x189/0x260 [ 76.920350][ T47] device_add+0x856/0xbf0 [ 76.924707][ T47] usb_set_configuration+0x1976/0x1fb0 [ 76.930228][ T47] usb_generic_driver_probe+0x88/0x140 [ 76.935712][ T47] usb_probe_device+0x1b8/0x380 [ 76.940635][ T47] ? __pfx_usb_probe_device+0x10/0x10 [ 76.946030][ T47] really_probe+0x2b8/0xad0 [ 76.950584][ T47] __driver_probe_device+0x1a2/0x390 [ 76.955915][ T47] driver_probe_device+0x50/0x430 [ 76.961004][ T47] __device_attach_driver+0x2d6/0x530 [ 76.966439][ T47] bus_for_each_drv+0x24e/0x2e0 [ 76.971316][ T47] ? __pfx___device_attach_driver+0x10/0x10 [ 76.977301][ T47] ? __pfx_bus_for_each_drv+0x10/0x10 [ 76.982715][ T47] __device_attach+0x333/0x520 [ 76.987535][ T47] ? __pfx___device_attach+0x10/0x10 [ 76.992850][ T47] bus_probe_device+0x189/0x260 [ 76.997782][ T47] device_add+0x856/0xbf0 [ 77.002136][ T47] usb_new_device+0x104a/0x19a0 [ 77.007038][ T47] ? __pfx_usb_new_device+0x10/0x10 [ 77.012268][ T47] ? _raw_spin_unlock_irq+0x23/0x50 [ 77.017545][ T47] ? lockdep_hardirqs_on+0x99/0x150 [ 77.022860][ T47] hub_event+0x2d6d/0x5150 [ 77.027376][ T47] ? __pfx_hub_event+0x10/0x10 [ 77.032174][ T47] ? __pfx_lock_acquire+0x10/0x10 [ 77.037291][ T47] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 77.043300][ T47] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 77.049707][ T47] ? process_scheduled_works+0x976/0x1840 [ 77.055450][ T47] process_scheduled_works+0xa66/0x1840 [ 77.061102][ T47] ? __pfx_process_scheduled_works+0x10/0x10 [ 77.067137][ T47] ? assign_work+0x364/0x3d0 [ 77.071748][ T47] worker_thread+0x870/0xd30 [ 77.076400][ T47] ? __kthread_parkme+0x169/0x1d0 [ 77.081449][ T47] ? __pfx_worker_thread+0x10/0x10 [ 77.086613][ T47] kthread+0x2f0/0x390 [ 77.090716][ T47] ? __pfx_worker_thread+0x10/0x10 [ 77.095840][ T47] ? __pfx_kthread+0x10/0x10 [ 77.100558][ T47] ret_from_fork+0x4b/0x80 [ 77.105001][ T47] ? __pfx_kthread+0x10/0x10 [ 77.109665][ T47] ret_from_fork_asm+0x1a/0x30 [ 77.114461][ T47] [ 77.117552][ T47] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 77.124858][ T47] CPU: 1 UID: 0 PID: 47 Comm: kworker/1:1 Not tainted 6.13.0-rc3-syzkaller-00193-ge9b8ffafd20a #0 [ 77.135452][ T47] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 77.145513][ T47] Workqueue: usb_hub_wq hub_event [ 77.150552][ T47] Call Trace: [ 77.153846][ T47] [ 77.156777][ T47] dump_stack_lvl+0x241/0x360 [ 77.161461][ T47] ? __pfx_dump_stack_lvl+0x10/0x10 [ 77.166664][ T47] ? __pfx__printk+0x10/0x10 [ 77.171251][ T47] ? _printk+0xd5/0x120 [ 77.175406][ T47] ? __init_begin+0x41000/0x41000 [ 77.180442][ T47] ? vscnprintf+0x5d/0x90 [ 77.184783][ T47] panic+0x349/0x880 [ 77.188695][ T47] ? __warn+0x174/0x4d0 [ 77.192865][ T47] ? __pfx_panic+0x10/0x10 [ 77.197300][ T47] ? ret_from_fork_asm+0x1a/0x30 [ 77.202243][ T47] __warn+0x344/0x4d0 [ 77.206241][ T47] ? __mutex_lock+0xdac/0xee0 [ 77.210938][ T47] report_bug+0x2b3/0x500 [ 77.215278][ T47] ? __mutex_lock+0xdac/0xee0 [ 77.219969][ T47] handle_bug+0x60/0x90 [ 77.224130][ T47] exc_invalid_op+0x1a/0x50 [ 77.228640][ T47] asm_exc_invalid_op+0x1a/0x20 [ 77.233507][ T47] RIP: 0010:__mutex_lock+0xdac/0xee0 [ 77.238822][ T47] Code: 0f b6 04 38 84 c0 0f 85 1a 01 00 00 83 3d 2f 85 4f 04 00 75 19 90 48 c7 c7 e0 82 0a 8c 48 c7 c6 80 83 0a 8c e8 b5 ec 95 f5 90 <0f> 0b 90 90 90 e9 c7 f3 ff ff 90 0f 0b 90 e9 29 f8 ff ff 90 0f 0b [ 77.258459][ T47] RSP: 0018:ffffc90000b76940 EFLAGS: 00010246 [ 77.264544][ T47] RAX: fe761b5f58ca3700 RBX: ffff88803264a518 RCX: ffff888020ea0000 [ 77.272542][ T47] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 77.280534][ T47] RBP: ffffc90000b76ad0 R08: ffffffff81601a42 R09: fffffbfff1cfa210 [ 77.288523][ T47] R10: dffffc0000000000 R11: fffffbfff1cfa210 R12: 0000000000000000 [ 77.296505][ T47] R13: 0000000000000000 R14: 1ffff9200016ed3c R15: dffffc0000000000 [ 77.304488][ T47] ? __warn_printk+0x292/0x360 [ 77.309282][ T47] ? uvc_scan_device+0x1026/0x1820 [ 77.314428][ T47] ? vsnprintf+0x184/0x1da0 [ 77.318938][ T47] ? __pfx__dev_info+0x10/0x10 [ 77.323711][ T47] ? uvc_status_unregister+0x2f/0xe0 [ 77.329010][ T47] ? __pfx___mutex_lock+0x10/0x10 [ 77.334046][ T47] ? snprintf+0xda/0x120 [ 77.338297][ T47] ? uvc_scan_device+0x1593/0x1820 [ 77.343420][ T47] ? __pfx_devm_gpiod_get_index+0x10/0x10 [ 77.349149][ T47] uvc_status_unregister+0x2f/0xe0 [ 77.354276][ T47] uvc_unregister_video+0x12b/0x200 [ 77.359494][ T47] uvc_probe+0x9154/0x98e0 [ 77.363932][ T47] ? mark_lock+0x9a/0x360 [ 77.368276][ T47] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 77.374268][ T47] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 77.380630][ T47] ? _raw_spin_unlock_irqrestore+0x8f/0x140 [ 77.386537][ T47] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 77.392444][ T47] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 77.398787][ T47] usb_probe_interface+0x641/0xbb0 [ 77.403912][ T47] ? __pfx_usb_probe_interface+0x10/0x10 [ 77.409555][ T47] really_probe+0x2b8/0xad0 [ 77.414072][ T47] __driver_probe_device+0x1a2/0x390 [ 77.419369][ T47] driver_probe_device+0x50/0x430 [ 77.424405][ T47] __device_attach_driver+0x2d6/0x530 [ 77.429788][ T47] bus_for_each_drv+0x24e/0x2e0 [ 77.434655][ T47] ? __pfx___device_attach_driver+0x10/0x10 [ 77.440556][ T47] ? __pfx_bus_for_each_drv+0x10/0x10 [ 77.445945][ T47] __device_attach+0x333/0x520 [ 77.450716][ T47] ? __pfx_lock_release+0x10/0x10 [ 77.455751][ T47] ? __pfx___device_attach+0x10/0x10 [ 77.461046][ T47] ? do_raw_spin_unlock+0x13c/0x8b0 [ 77.466263][ T47] bus_probe_device+0x189/0x260 [ 77.471157][ T47] device_add+0x856/0xbf0 [ 77.475497][ T47] usb_set_configuration+0x1976/0x1fb0 [ 77.480973][ T47] usb_generic_driver_probe+0x88/0x140 [ 77.486440][ T47] usb_probe_device+0x1b8/0x380 [ 77.491305][ T47] ? __pfx_usb_probe_device+0x10/0x10 [ 77.496687][ T47] really_probe+0x2b8/0xad0 [ 77.501207][ T47] __driver_probe_device+0x1a2/0x390 [ 77.506507][ T47] driver_probe_device+0x50/0x430 [ 77.511541][ T47] __device_attach_driver+0x2d6/0x530 [ 77.516923][ T47] bus_for_each_drv+0x24e/0x2e0 [ 77.521791][ T47] ? __pfx___device_attach_driver+0x10/0x10 [ 77.527693][ T47] ? __pfx_bus_for_each_drv+0x10/0x10 [ 77.533082][ T47] __device_attach+0x333/0x520 [ 77.537857][ T47] ? __pfx___device_attach+0x10/0x10 [ 77.543153][ T47] bus_probe_device+0x189/0x260 [ 77.548017][ T47] device_add+0x856/0xbf0 [ 77.552353][ T47] usb_new_device+0x104a/0x19a0 [ 77.557224][ T47] ? __pfx_usb_new_device+0x10/0x10 [ 77.562440][ T47] ? _raw_spin_unlock_irq+0x23/0x50 [ 77.567674][ T47] ? lockdep_hardirqs_on+0x99/0x150 [ 77.572888][ T47] hub_event+0x2d6d/0x5150 [ 77.577333][ T47] ? __pfx_hub_event+0x10/0x10 [ 77.582133][ T47] ? __pfx_lock_acquire+0x10/0x10 [ 77.587166][ T47] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 77.593162][ T47] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 77.599504][ T47] ? process_scheduled_works+0x976/0x1840 [ 77.605235][ T47] process_scheduled_works+0xa66/0x1840 [ 77.610799][ T47] ? __pfx_process_scheduled_works+0x10/0x10 [ 77.616787][ T47] ? assign_work+0x364/0x3d0 [ 77.621382][ T47] worker_thread+0x870/0xd30 [ 77.625981][ T47] ? __kthread_parkme+0x169/0x1d0 [ 77.631015][ T47] ? __pfx_worker_thread+0x10/0x10 [ 77.636130][ T47] kthread+0x2f0/0x390 [ 77.640217][ T47] ? __pfx_worker_thread+0x10/0x10 [ 77.645334][ T47] ? __pfx_kthread+0x10/0x10 [ 77.649936][ T47] ret_from_fork+0x4b/0x80 [ 77.654361][ T47] ? __pfx_kthread+0x10/0x10 [ 77.658959][ T47] ret_from_fork_asm+0x1a/0x30 [ 77.663732][ T47] [ 77.667035][ T47] Kernel Offset: disabled [ 77.671388][ T47] Rebooting in 86400 seconds..