./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3718125365 <...> Warning: Permanently added '10.128.0.252' (ED25519) to the list of known hosts. execve("./syz-executor3718125365", ["./syz-executor3718125365"], 0x7ffc35507b70 /* 10 vars */) = 0 brk(NULL) = 0x5555574b7000 brk(0x5555574b7d40) = 0x5555574b7d40 arch_prctl(ARCH_SET_FS, 0x5555574b73c0) = 0 set_tid_address(0x5555574b7690) = 5035 set_robust_list(0x5555574b76a0, 24) = 0 rseq(0x5555574b7ce0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3718125365", 4096) = 28 getrandom("\x45\xd9\x55\x2c\x74\x41\xbb\xe0", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555574b7d40 brk(0x5555574d8d40) = 0x5555574d8d40 brk(0x5555574d9000) = 0x5555574d9000 mprotect(0x7f0d9f6af000, 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, child_tidptr=0x5555574b7690) = 5036 ./strace-static-x86_64: Process 5036 attached [pid 5036] set_robust_list(0x5555574b76a0, 24) = 0 [pid 5036] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5036] socket(AF_BLUETOOTH, SOCK_RAW, BTPROTO_HCI) = 3 [pid 5036] openat(AT_FDCWD, "/dev/vhci", O_RDWR) = 4 [pid 5036] dup2(4, 202) = 202 [pid 5036] close(4) = 0 [pid 5036] write(202, "\xff\x00", 2) = 2 [pid 5036] read(202, "\xff\x00\x00\x00", 4) = 4 [pid 5036] rt_sigaction(SIGRT_1, {sa_handler=0x7f0d9f651400, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0d9f642a80}, NULL, 8) = 0 [pid 5036] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5036] mmap(NULL, 8392704, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0d9edec000 [pid 5036] mprotect(0x7f0d9eded000, 8388608, PROT_READ|PROT_WRITE) = 0 [pid 5036] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5036] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0d9f5ec990, parent_tid=0x7f0d9f5ec990, exit_signal=0, stack=0x7f0d9edec000, stack_size=0x800300, tls=0x7f0d9f5ec6c0} => {parent_tid=[2]}, 88) = 2 [pid 5036] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5040 attached [pid 5040] rseq(0x7f0d9f5ecfe0, 0x20, 0, 0x53053053 [pid 5036] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5040] <... rseq resumed>) = 0 [pid 5036] ioctl(3, HCIDEVUP [pid 5040] set_robust_list(0x7f0d9f5ec9a0, 24) = 0 [pid 5040] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5040] read(202, "\x01\x03\x0c\x00", 1024) = 4 [pid 5040] 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) = 255 [pid 5040] read(202, "\x01\x03\x10\x00", 1024) = 4 [pid 5040] 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 5040] read(202, "\x01\x01\x10\x00", 1024) = 4 [pid 5040] 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 [pid 5040] read(202, "\x01\x09\x10\x00", 1024) = 4 [pid 5040] 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 5040] read(202, "\x01\x05\x10\x00", 1024) = 4 [pid 5040] 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 5040] read(202, "\x01\x23\x0c\x00", 1024) = 4 [pid 5040] 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 [pid 5040] read(202, "\x01\x14\x0c\x00", 1024) = 4 [pid 5040] 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 5040] read(202, "\x01\x25\x0c\x00", 1024) = 4 [pid 5040] 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 5040] read(202, "\x01\x38\x0c\x00", 1024) = 4 [ 55.271432][ T50] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 55.279719][ T50] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 55.288257][ T50] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 55.300130][ T50] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 55.309800][ T50] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [pid 5040] 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 5040] read(202, "\x01\x39\x0c\x00", 1024) = 4 [pid 5040] 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 [pid 5040] read(202, "\x01\x16\x0c\x02\x00\x7d", 1024) = 6 [pid 5040] 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 5040] read(202, [pid 5036] <... ioctl resumed>, 0) = -1 EALREADY (Operation already in progress) [pid 5036] ioctl(3, HCISETSCAN [pid 5040] <... read resumed>"\x01\x1a\x0c\x01\x02", 1024) = 5 [pid 5040] 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 5036] <... ioctl resumed>, 0x7ffdbf3474f4) = 0 [pid 5040] rt_sigprocmask(SIG_BLOCK, ~[RT_1], [pid 5036] 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 5040] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5040] madvise(0x7f0d9edec000, 8372224, MADV_DONTNEED) = 0 [pid 5040] exit(0) = ? [pid 5040] +++ exited with 0 +++ [pid 5036] <... writev resumed>) = 13 [pid 5036] 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) = 14 [pid 5036] 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 5036] 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 [pid 5036] close(3) = 0 [pid 5036] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5036] setsid() = 1 [pid 5036] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5036] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5036] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5036] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5036] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5036] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5036] unshare(CLONE_NEWNS) = 0 [pid 5036] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5036] unshare(CLONE_NEWIPC) = 0 [pid 5036] unshare(CLONE_NEWCGROUP) = 0 [pid 5036] unshare(CLONE_NEWUTS) = 0 [pid 5036] unshare(CLONE_SYSVSEM) = 0 [pid 5036] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5036] write(3, "16777216", 8) = 8 [pid 5036] close(3) = 0 [pid 5036] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5036] write(3, "536870912", 9) = 9 [pid 5036] close(3) = 0 [pid 5036] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5036] write(3, "1024", 4) = 4 [pid 5036] close(3) = 0 [pid 5036] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5036] write(3, "8192", 4) = 4 [pid 5036] close(3) = 0 [pid 5036] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5036] write(3, "1024", 4) = 4 [pid 5036] close(3) = 0 [pid 5036] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5036] write(3, "1024", 4) = 4 [pid 5036] close(3) = 0 [pid 5036] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [ 55.318592][ T50] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [pid 5036] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5036] close(3) = 0 [pid 5036] getpid() = 1 [pid 5036] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1<rx_work)){+.+.}-{0:0}, at: process_one_work+0x7e9/0x15c0 [ 55.469989][ T4442] #2: ffff88807c5a8078 (&hdev->lock){+.+.}-{3:3}, at: hci_le_create_big_complete_evt+0xde/0xab0 [ 55.480575][ T4442] #3: ffffffff8cbab2a0 (rcu_read_lock){....}-{1:2}, at: hci_le_create_big_complete_evt+0x100/0xab0 [ 55.491449][ T4442] CPU: 0 PID: 4442 Comm: kworker/u5:1 Not tainted 6.6.0-rc2-syzkaller-00386-g3aba70aed91f #0 [ 55.501603][ T4442] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 [ 55.511642][ T4442] Workqueue: hci0 hci_rx_work [ 55.516320][ T4442] Call Trace: [ 55.519602][ T4442] [ 55.522515][ T4442] dump_stack_lvl+0x125/0x1b0 [ 55.527192][ T4442] __might_resched+0x3c3/0x5e0 [ 55.532049][ T4442] ? preempt_count_sub+0x150/0x150 [ 55.537150][ T4442] ? queue_work_on+0x97/0x110 [ 55.541810][ T4442] __hci_cmd_sync_sk+0x374/0xe70 [ 55.546733][ T4442] ? hci_read_local_codecs_sync+0xf0/0xf0 [ 55.552460][ T4442] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 55.558437][ T4442] __hci_cmd_sync_status_sk+0x48/0x160 [ 55.563901][ T4442] hci_le_terminate_big_sync+0xb2/0xe0 [ 55.569344][ T4442] ? hci_remove_ext_adv_instance+0x70/0x70 [ 55.575127][ T4442] ? reacquire_held_locks+0x4b0/0x4b0 [ 55.580493][ T4442] hci_le_create_big_complete_evt+0x765/0xab0 [ 55.586546][ T4442] ? __mutex_unlock_slowpath+0x165/0x640 [ 55.592253][ T4442] ? hci_cc_le_set_ext_adv_enable+0xa70/0xa70 [ 55.598306][ T4442] ? bit_wait_io_timeout+0x160/0x160 [ 55.603594][ T4442] ? skb_pull_data+0xfc/0x160 [ 55.608256][ T4442] hci_le_meta_evt+0x2bc/0x510 [ 55.613023][ T4442] ? hci_cc_le_set_ext_adv_enable+0xa70/0xa70 [ 55.619255][ T4442] ? skb_pull_data+0xfc/0x160 [ 55.623923][ T4442] hci_event_packet+0x642/0xfd0 [ 55.628773][ T4442] ? hci_inquiry_result_evt+0x500/0x500 [ 55.634302][ T4442] ? hci_key_refresh_complete_evt+0x1090/0x1090 [ 55.640545][ T4442] ? mark_held_locks+0x9f/0xe0 [ 55.645302][ T4442] ? kcov_remote_start+0x3e8/0x6c0 [ 55.650402][ T4442] ? lockdep_hardirqs_on+0x7d/0x100 [ 55.655608][ T4442] hci_rx_work+0x2c4/0x13e0 [ 55.660098][ T4442] process_one_work+0x884/0x15c0 [ 55.665046][ T4442] ? lock_sync+0x190/0x190 [ 55.669451][ T4442] ? init_worker_pool+0x770/0x770 [ 55.674462][ T4442] ? assign_work+0x1a0/0x240 [ 55.679123][ T4442] worker_thread+0x8b9/0x1290 [ 55.683836][ T4442] ? __kthread_parkme+0x14b/0x220 [ 55.688851][ T4442] ? process_one_work+0x15c0/0x15c0 [ 55.694061][ T4442] kthread+0x33c/0x440 [ 55.698118][ T4442] ? _raw_spin_unlock_irq+0x23/0x50 [ 55.703302][ T4442] ? kthread_complete_and_exit+0x40/0x40 [ 55.708925][ T4442] ret_from_fork+0x45/0x80 [ 55.713327][ T4442] ? kthread_complete_and_exit+0x40/0x40 [ 55.718939][ T4442] ret_from_fork_asm+0x11/0x20 [ 55.723701][ T4442] [ 55.727603][ T4442] ------------[ cut here ]------------ [ 55.733063][ T4442] Voluntary context switch within RCU read-side critical section! [ 55.733121][ T4442] WARNING: CPU: 0 PID: 4442 at kernel/rcu/tree_plugin.h:320 rcu_note_context_switch+0xbfc/0x1ac0 [ 55.751407][ T4442] Modules linked in: [ 55.755292][ T4442] CPU: 0 PID: 4442 Comm: kworker/u5:1 Tainted: G W 6.6.0-rc2-syzkaller-00386-g3aba70aed91f #0 [ 55.766910][ T4442] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 [ 55.776954][ T4442] Workqueue: hci0 hci_rx_work [ 55.781625][ T4442] RIP: 0010:rcu_note_context_switch+0xbfc/0x1ac0 [ 55.787951][ T4442] Code: da 56 6b 00 4c 8b 54 24 30 48 8b 44 24 28 8b 4c 24 10 e9 24 04 00 00 48 c7 c7 a0 71 8e 8a c6 05 56 3f 46 0d 01 e8 24 cb db ff <0f> 0b e9 0c f5 ff ff 81 e5 ff ff ff 7f 0f 84 ab f6 ff ff 65 48 8b [ 55.807552][ T4442] RSP: 0018:ffffc9000e7af490 EFLAGS: 00010082 [ 55.813610][ T4442] RAX: 0000000000000000 RBX: ffff8880b983d600 RCX: 0000000000000000 [ 55.821567][ T4442] RDX: ffff888029d80000 RSI: ffffffff814df0c6 RDI: 0000000000000001 [ 55.829527][ T4442] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 [ 55.837488][ T4442] R10: 0000000000000000 R11: 0000000000000001 R12: ffff888029d80000 [ 55.845447][ T4442] R13: ffff888029d80000 R14: ffff888029d80000 R15: ffff8880b983c700 [ 55.853409][ T4442] FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 55.862331][ T4442] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.868903][ T4442] CR2: 00007f0d9f681e48 CR3: 000000000c976000 CR4: 0000000000350ef0 [ 55.876866][ T4442] Call Trace: [ 55.880134][ T4442] [ 55.883058][ T4442] ? show_regs+0x8f/0xa0 [ 55.887296][ T4442] ? __warn+0xe6/0x380 [ 55.891354][ T4442] ? __wake_up_klogd.part.0+0x99/0xf0 [ 55.896719][ T4442] ? rcu_note_context_switch+0xbfc/0x1ac0 [ 55.902432][ T4442] ? report_bug+0x3bc/0x580 [ 55.906927][ T4442] ? handle_bug+0x3c/0x70 [ 55.911248][ T4442] ? exc_invalid_op+0x17/0x40 [ 55.915922][ T4442] ? asm_exc_invalid_op+0x1a/0x20 [ 55.920946][ T4442] ? __warn_printk+0x1a6/0x350 [ 55.925701][ T4442] ? rcu_note_context_switch+0xbfc/0x1ac0 [ 55.931422][ T4442] ? _raw_spin_unlock_irqrestore+0x3b/0x70 [ 55.937218][ T4442] ? find_held_lock+0x2d/0x110 [ 55.941973][ T4442] ? __schedule+0x26bf/0x5a10 [ 55.946645][ T4442] ? schedule+0xe7/0x1b0 [ 55.950877][ T4442] __schedule+0x293/0x5a10 [ 55.955334][ T4442] ? lockdep_hardirqs_on+0x7d/0x100 [ 55.960544][ T4442] ? _raw_spin_unlock_irqrestore+0x3b/0x70 [ 55.966351][ T4442] ? io_schedule_timeout+0x150/0x150 [ 55.971631][ T4442] ? timer_fixup_activate+0x2b0/0x2b0 [ 55.976999][ T4442] ? mark_held_locks+0x9f/0xe0 [ 55.981761][ T4442] schedule+0xe7/0x1b0 [ 55.985823][ T4442] schedule_timeout+0x157/0x2c0 [ 55.990671][ T4442] ? usleep_range_state+0x1a0/0x1a0 [ 55.995863][ T4442] ? destroy_timer_on_stack+0x20/0x20 [ 56.001229][ T4442] ? _raw_spin_unlock_irqrestore+0x3b/0x70 [ 56.007028][ T4442] ? prepare_to_wait_event+0xce/0x690 [ 56.012480][ T4442] ? queue_work_on+0x97/0x110 [ 56.017148][ T4442] __hci_cmd_sync_sk+0x58b/0xe70 [ 56.022087][ T4442] ? hci_read_local_codecs_sync+0xf0/0xf0 [ 56.027802][ T4442] ? cpuacct_percpu_seq_show+0x10/0x10 [ 56.033340][ T4442] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 56.039325][ T4442] __hci_cmd_sync_status_sk+0x48/0x160 [ 56.044779][ T4442] hci_le_terminate_big_sync+0xb2/0xe0 [ 56.050230][ T4442] ? hci_remove_ext_adv_instance+0x70/0x70 [ 56.056110][ T4442] ? reacquire_held_locks+0x4b0/0x4b0 [ 56.061480][ T4442] hci_le_create_big_complete_evt+0x765/0xab0 [ 56.067546][ T4442] ? __mutex_unlock_slowpath+0x165/0x640 [ 56.073170][ T4442] ? hci_cc_le_set_ext_adv_enable+0xa70/0xa70 [ 56.079227][ T4442] ? bit_wait_io_timeout+0x160/0x160 [ 56.084527][ T4442] ? skb_pull_data+0xfc/0x160 [ 56.089209][ T4442] hci_le_meta_evt+0x2bc/0x510 [ 56.094048][ T4442] ? hci_cc_le_set_ext_adv_enable+0xa70/0xa70 [ 56.100109][ T4442] ? skb_pull_data+0xfc/0x160 [ 56.104786][ T4442] hci_event_packet+0x642/0xfd0 [ 56.109634][ T4442] ? hci_inquiry_result_evt+0x500/0x500 [ 56.115259][ T4442] ? hci_key_refresh_complete_evt+0x1090/0x1090 [ 56.121610][ T4442] ? mark_held_locks+0x9f/0xe0 [ 56.126388][ T4442] ? kcov_remote_start+0x3e8/0x6c0 [ 56.131675][ T4442] ? lockdep_hardirqs_on+0x7d/0x100 [ 56.136878][ T4442] hci_rx_work+0x2c4/0x13e0 [ 56.141380][ T4442] process_one_work+0x884/0x15c0 [ 56.146320][ T4442] ? lock_sync+0x190/0x190 [ 56.150730][ T4442] ? init_worker_pool+0x770/0x770 [ 56.155750][ T4442] ? assign_work+0x1a0/0x240 [ 56.160340][ T4442] worker_thread+0x8b9/0x1290 [ 56.165041][ T4442] ? __kthread_parkme+0x14b/0x220 [ 56.170146][ T4442] ? process_one_work+0x15c0/0x15c0 [ 56.175337][ T4442] kthread+0x33c/0x440 [ 56.179393][ T4442] ? _raw_spin_unlock_irq+0x23/0x50 [ 56.184581][ T4442] ? kthread_complete_and_exit+0x40/0x40 [ 56.190206][ T4442] ret_from_fork+0x45/0x80 [ 56.194614][ T4442] ? kthread_complete_and_exit+0x40/0x40 [ 56.200237][ T4442] ret_from_fork_asm+0x11/0x20 [ 56.205025][ T4442] [ 56.208039][ T4442] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 56.215297][ T4442] CPU: 0 PID: 4442 Comm: kworker/u5:1 Tainted: G W 6.6.0-rc2-syzkaller-00386-g3aba70aed91f #0 [ 56.226912][ T4442] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 [ 56.236979][ T4442] Workqueue: hci0 hci_rx_work [ 56.241673][ T4442] Call Trace: [ 56.245034][ T4442] [ 56.247964][ T4442] dump_stack_lvl+0xd9/0x1b0 [ 56.252549][ T4442] panic+0x6a6/0x750 [ 56.256439][ T4442] ? panic_smp_self_stop+0xa0/0xa0 [ 56.261552][ T4442] ? rcu_note_context_switch+0xbfc/0x1ac0 [ 56.267267][ T4442] check_panic_on_warn+0xab/0xb0 [ 56.272197][ T4442] __warn+0xf2/0x380 [ 56.276086][ T4442] ? __wake_up_klogd.part.0+0x99/0xf0 [ 56.281467][ T4442] ? rcu_note_context_switch+0xbfc/0x1ac0 [ 56.287185][ T4442] report_bug+0x3bc/0x580 [ 56.291527][ T4442] handle_bug+0x3c/0x70 [ 56.295673][ T4442] exc_invalid_op+0x17/0x40 [ 56.300172][ T4442] asm_exc_invalid_op+0x1a/0x20 [ 56.305016][ T4442] RIP: 0010:rcu_note_context_switch+0xbfc/0x1ac0 [ 56.311338][ T4442] Code: da 56 6b 00 4c 8b 54 24 30 48 8b 44 24 28 8b 4c 24 10 e9 24 04 00 00 48 c7 c7 a0 71 8e 8a c6 05 56 3f 46 0d 01 e8 24 cb db ff <0f> 0b e9 0c f5 ff ff 81 e5 ff ff ff 7f 0f 84 ab f6 ff ff 65 48 8b [ 56.330939][ T4442] RSP: 0018:ffffc9000e7af490 EFLAGS: 00010082 [ 56.337011][ T4442] RAX: 0000000000000000 RBX: ffff8880b983d600 RCX: 0000000000000000 [ 56.344970][ T4442] RDX: ffff888029d80000 RSI: ffffffff814df0c6 RDI: 0000000000000001 [ 56.352926][ T4442] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 [ 56.360888][ T4442] R10: 0000000000000000 R11: 0000000000000001 R12: ffff888029d80000 [ 56.368846][ T4442] R13: ffff888029d80000 R14: ffff888029d80000 R15: ffff8880b983c700 [ 56.376811][ T4442] ? __warn_printk+0x1a6/0x350 [ 56.381575][ T4442] ? _raw_spin_unlock_irqrestore+0x3b/0x70 [ 56.387477][ T4442] ? find_held_lock+0x2d/0x110 [ 56.392338][ T4442] ? __schedule+0x26bf/0x5a10 [ 56.397012][ T4442] ? schedule+0xe7/0x1b0 [ 56.401334][ T4442] __schedule+0x293/0x5a10 [ 56.405752][ T4442] ? lockdep_hardirqs_on+0x7d/0x100 [ 56.410952][ T4442] ? _raw_spin_unlock_irqrestore+0x3b/0x70 [ 56.416761][ T4442] ? io_schedule_timeout+0x150/0x150 [ 56.422042][ T4442] ? timer_fixup_activate+0x2b0/0x2b0 [ 56.427411][ T4442] ? mark_held_locks+0x9f/0xe0 [ 56.432169][ T4442] schedule+0xe7/0x1b0 [ 56.436229][ T4442] schedule_timeout+0x157/0x2c0 [ 56.441076][ T4442] ? usleep_range_state+0x1a0/0x1a0 [ 56.446271][ T4442] ? destroy_timer_on_stack+0x20/0x20 [ 56.451635][ T4442] ? _raw_spin_unlock_irqrestore+0x3b/0x70 [ 56.457444][ T4442] ? prepare_to_wait_event+0xce/0x690 [ 56.462813][ T4442] ? queue_work_on+0x97/0x110 [ 56.467483][ T4442] __hci_cmd_sync_sk+0x58b/0xe70 [ 56.472507][ T4442] ? hci_read_local_codecs_sync+0xf0/0xf0 [ 56.478223][ T4442] ? cpuacct_percpu_seq_show+0x10/0x10 [ 56.483692][ T4442] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 56.489679][ T4442] __hci_cmd_sync_status_sk+0x48/0x160 [ 56.495156][ T4442] hci_le_terminate_big_sync+0xb2/0xe0 [ 56.500607][ T4442] ? hci_remove_ext_adv_instance+0x70/0x70 [ 56.506402][ T4442] ? reacquire_held_locks+0x4b0/0x4b0 [ 56.511777][ T4442] hci_le_create_big_complete_evt+0x765/0xab0 [ 56.517845][ T4442] ? __mutex_unlock_slowpath+0x165/0x640 [ 56.523474][ T4442] ? hci_cc_le_set_ext_adv_enable+0xa70/0xa70 [ 56.529537][ T4442] ? bit_wait_io_timeout+0x160/0x160 [ 56.534817][ T4442] ? skb_pull_data+0xfc/0x160 [ 56.539497][ T4442] hci_le_meta_evt+0x2bc/0x510 [ 56.544253][ T4442] ? hci_cc_le_set_ext_adv_enable+0xa70/0xa70 [ 56.550314][ T4442] ? skb_pull_data+0xfc/0x160 [ 56.555076][ T4442] hci_event_packet+0x642/0xfd0 [ 56.559922][ T4442] ? hci_inquiry_result_evt+0x500/0x500 [ 56.565480][ T4442] ? hci_key_refresh_complete_evt+0x1090/0x1090 [ 56.571715][ T4442] ? mark_held_locks+0x9f/0xe0 [ 56.576473][ T4442] ? kcov_remote_start+0x3e8/0x6c0 [ 56.581580][ T4442] ? lockdep_hardirqs_on+0x7d/0x100 [ 56.586775][ T4442] hci_rx_work+0x2c4/0x13e0 [ 56.591275][ T4442] process_one_work+0x884/0x15c0 [ 56.596213][ T4442] ? lock_sync+0x190/0x190 [ 56.600708][ T4442] ? init_worker_pool+0x770/0x770 [ 56.605728][ T4442] ? assign_work+0x1a0/0x240 [ 56.610309][ T4442] worker_thread+0x8b9/0x1290 [ 56.615072][ T4442] ? __kthread_parkme+0x14b/0x220 [ 56.620090][ T4442] ? process_one_work+0x15c0/0x15c0 [ 56.625388][ T4442] kthread+0x33c/0x440 [ 56.629445][ T4442] ? _raw_spin_unlock_irq+0x23/0x50 [ 56.634637][ T4442] ? kthread_complete_and_exit+0x40/0x40 [ 56.640261][ T4442] ret_from_fork+0x45/0x80 [ 56.644676][ T4442] ? kthread_complete_and_exit+0x40/0x40 [ 56.650385][ T4442] ret_from_fork_asm+0x11/0x20 [ 56.655154][ T4442] [ 56.659165][ T4442] Kernel Offset: disabled [ 56.663539][ T4442] Rebooting in 86400 seconds..