./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2883665493

<...>
Warning: Permanently added '10.128.0.217' (ED25519) to the list of known hosts.
execve("./syz-executor2883665493", ["./syz-executor2883665493"], 0x7ffdbd5078b0 /* 10 vars */) = 0
brk(NULL)                               = 0x555555a6e000
brk(0x555555a6ed40)                     = 0x555555a6ed40
arch_prctl(ARCH_SET_FS, 0x555555a6e3c0) = 0
set_tid_address(0x555555a6e690)         = 5072
set_robust_list(0x555555a6e6a0, 24)     = 0
rseq(0x555555a6ece0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor2883665493", 4096) = 28
getrandom("\xf8\xfc\xaa\x89\xeb\x0e\x24\x24", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x555555a6ed40
brk(0x555555a8fd40)                     = 0x555555a8fd40
brk(0x555555a90000)                     = 0x555555a90000
mprotect(0x7f1eacb39000, 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=0x555555a6e690) = 5073
./strace-static-x86_64: Process 5073 attached
[pid  5073] set_robust_list(0x555555a6e6a0, 24) = 0
[pid  5073] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid  5073] socket(AF_BLUETOOTH, SOCK_RAW, BTPROTO_HCI) = 3
[pid  5073] openat(AT_FDCWD, "/dev/vhci", O_RDWR) = 4
[pid  5073] dup2(4, 202)                = 202
[pid  5073] close(4)                    = 0
[pid  5073] write(202, "\xff\x00", 2)   = 2
[pid  5073] read(202, "\xff\x00\x00\x00", 4) = 4
[pid  5073] rt_sigaction(SIGRT_1, {sa_handler=0x7f1eacadb440, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1eacaccac0}, NULL, 8) = 0
[pid  5073] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5073] mmap(NULL, 8392704, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f1eac276000
[pid  5073] mprotect(0x7f1eac277000, 8388608, PROT_READ|PROT_WRITE) = 0
[pid  5073] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5073] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f1eaca76990, parent_tid=0x7f1eaca76990, exit_signal=0, stack=0x7f1eac276000, stack_size=0x800300, tls=0x7f1eaca766c0}./strace-static-x86_64: Process 5076 attached
 <unfinished ...>
[pid  5076] rseq(0x7f1eaca76fe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5073] <... clone3 resumed> => {parent_tid=[2]}, 88) = 2
[pid  5076] <... rseq resumed>)         = 0
[pid  5073] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5076] set_robust_list(0x7f1eaca769a0, 24 <unfinished ...>
[pid  5073] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5076] <... set_robust_list resumed>) = 0
[pid  5073] ioctl(3, HCIDEVUP <unfinished ...>
[pid  5076] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5076] read(202, "\x01\x03\x0c\x00", 1024) = 4
[pid  5076] 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  5076] read(202, "\x01\x03\x10\x00", 1024) = 4
[pid  5076] 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  5076] read(202, "\x01\x01\x10\x00", 1024) = 4
[pid  5076] 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  5076] read(202, "\x01\x09\x10\x00", 1024) = 4
[pid  5076] 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  5076] read(202, "\x01\x05\x10\x00", 1024) = 4
[pid  5076] 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  5076] read(202, "\x01\x23\x0c\x00", 1024) = 4
[   73.878634][ T5075] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[   73.899109][ T5075] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[   73.920746][ T5075] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[pid  5076] 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  5076] read(202, "\x01\x14\x0c\x00", 1024) = 4
[pid  5076] 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  5076] read(202, "\x01\x25\x0c\x00", 1024) = 4
[pid  5076] 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  5076] read(202, "\x01\x38\x0c\x00", 1024) = 4
[   73.954448][ T5075] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[   73.994256][ T5075] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3
[pid  5076] 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  5076] read(202, "\x01\x39\x0c\x00", 1024) = 4
[pid  5076] 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  5076] read(202, "\x01\x16\x0c\x02\x00\x7d", 1024) = 6
[pid  5076] 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  5076] read(202,  <unfinished ...>
[pid  5073] <... ioctl resumed>, 0)     = -1 EALREADY (Operation already in progress)
[pid  5073] ioctl(3, HCISETSCAN <unfinished ...>
[pid  5076] <... read resumed>"\x01\x1a\x0c\x01\x02", 1024) = 5
[pid  5076] 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  5073] <... ioctl resumed>, 0x7fffd85b2804) = 0
[pid  5073] 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 <unfinished ...>
[pid  5076] rt_sigprocmask(SIG_BLOCK, ~[RT_1],  <unfinished ...>
[pid  5073] <... writev resumed>)       = 13
[pid  5073] 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  5073] 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 <unfinished ...>
[pid  5076] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5073] <... writev resumed>)       = 14
[pid  5076] madvise(0x7f1eac276000, 8372224, MADV_DONTNEED <unfinished ...>
[pid  5073] 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 <unfinished ...>
[pid  5076] <... madvise resumed>)      = 0
[pid  5073] <... writev resumed>)       = 22
[pid  5076] exit(0 <unfinished ...>
[pid  5073] futex(0x7f1eaca76990, FUTEX_WAIT_BITSET|FUTEX_CLOCK_REALTIME, 2, NULL, FUTEX_BITSET_MATCH_ANY <unfinished ...>
[pid  5076] <... exit resumed>)         = ?
[pid  5073] <... futex resumed>)        = 0
[pid  5076] +++ exited with 0 +++
[pid  5073] close(3)                    = 0
[pid  5073] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5073] setsid()                    = 1
[pid  5073] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0
[pid  5073] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0
[pid  5073] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0
[   74.005554][ T5075] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[pid  5073] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0
[pid  5073] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0
[pid  5073] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0
[pid  5073] unshare(CLONE_NEWNS)        = 0
[pid  5073] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0
[pid  5073] unshare(CLONE_NEWIPC)       = 0
[pid  5073] unshare(CLONE_NEWCGROUP)    = 0
[pid  5073] unshare(CLONE_NEWUTS)       = 0
[pid  5073] unshare(CLONE_SYSVSEM)      = 0
[pid  5073] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3
[pid  5073] write(3, "16777216", 8)     = 8
[pid  5073] close(3)                    = 0
[pid  5073] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3
[pid  5073] write(3, "536870912", 9)    = 9
[pid  5073] close(3)                    = 0
[pid  5073] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3
[pid  5073] write(3, "1024", 4)         = 4
[pid  5073] close(3)                    = 0
[pid  5073] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3
[pid  5073] write(3, "8192", 4)         = 4
[pid  5073] close(3)                    = 0
[pid  5073] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3
[pid  5073] write(3, "1024", 4)         = 4
[pid  5073] close(3)                    = 0
[pid  5073] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3
[pid  5073] write(3, "1024", 4)         = 4
[pid  5073] close(3)                    = 0
[pid  5073] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3
[pid  5073] write(3, "1024 1048576 500 1024", 21) = 21
[pid  5073] close(3)                    = 0
[pid  5073] getpid()                    = 1
[pid  5073] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PTRACE|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_NICE|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, permitted=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PTRACE|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_NICE|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, inheritable=0}) = 0
[pid  5073] capset({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, permitted=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, inheritable=0}) = 0
[pid  5073] unshare(CLONE_NEWNET)       = 0
[pid  5073] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3
[pid  5073] write(3, "0 65535", 7)      = 7
[pid  5073] close(3)                    = 0
[pid  5073] mkdir("/dev/binderfs", 0777) = 0
[pid  5073] mount("binder", "/dev/binderfs", "binder", 0, NULL) = 0
[pid  5073] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5073] openat(AT_FDCWD, "/dev/rfkill", O_RDWR|O_EXCL|O_NOCTTY|O_TRUNC|O_APPEND|O_SYNC|O_NOFOLLOW|O_CLOEXEC) = 3
[   74.342447][ T5073] 
[   74.344817][ T5073] ======================================================
[   74.351836][ T5073] WARNING: possible circular locking dependency detected
[   74.358847][ T5073] 6.7.0-rc5-syzkaller #0 Not tainted
[   74.364105][ T5073] ------------------------------------------------------
[   74.371103][ T5073] syz-executor288/5073 is trying to acquire lock:
[   74.377489][ T5073] ffff8880792b4e10 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}, at: __flush_work+0xfa/0xa10
[   74.387936][ T5073] 
[   74.387936][ T5073] but task is already holding lock:
[   74.395283][ T5073] ffff8880792b5108 (&hdev->req_lock){+.+.}-{3:3}, at: hci_dev_do_close+0x26/0x90
[   74.404422][ T5073] 
[   74.404422][ T5073] which lock already depends on the new lock.
[   74.404422][ T5073] 
[   74.414818][ T5073] 
[   74.414818][ T5073] the existing dependency chain (in reverse order) is:
[   74.424092][ T5073] 
[   74.424092][ T5073] -> #3 (&hdev->req_lock){+.+.}-{3:3}:
[   74.431735][ T5073]        __mutex_lock+0x175/0x9d0
[   74.436769][ T5073]        hci_dev_do_close+0x26/0x90
[   74.441965][ T5073]        hci_rfkill_set_block+0x1b9/0x200
[   74.447677][ T5073]        rfkill_set_block+0x200/0x550
[   74.453143][ T5073]        rfkill_fop_write+0x2d4/0x570
[   74.458512][ T5073]        vfs_write+0x2a4/0xdf0
[   74.463269][ T5073]        ksys_write+0x1f0/0x250
[   74.468112][ T5073]        do_syscall_64+0x40/0x110
[   74.473169][ T5073]        entry_SYSCALL_64_after_hwframe+0x63/0x6b
[   74.479589][ T5073] 
[   74.479589][ T5073] -> #2 (rfkill_global_mutex){+.+.}-{3:3}:
[   74.487588][ T5073]        __mutex_lock+0x175/0x9d0
[   74.492623][ T5073]        rfkill_register+0x3a/0xb30
[   74.497818][ T5073]        hci_register_dev+0x43a/0xd40
[   74.503187][ T5073]        __vhci_create_device+0x393/0x800
[   74.508913][ T5073]        vhci_write+0x2c7/0x470
[   74.513762][ T5073]        vfs_write+0x64f/0xdf0
[   74.518516][ T5073]        ksys_write+0x12f/0x250
[   74.523360][ T5073]        do_syscall_64+0x40/0x110
[   74.528380][ T5073]        entry_SYSCALL_64_after_hwframe+0x63/0x6b
[   74.534816][ T5073] 
[   74.534816][ T5073] -> #1 (&data->open_mutex){+.+.}-{3:3}:
[   74.542640][ T5073]        __mutex_lock+0x175/0x9d0
[   74.547677][ T5073]        vhci_send_frame+0x67/0xa0
[   74.552797][ T5073]        hci_send_frame+0x220/0x470
[   74.557993][ T5073]        hci_tx_work+0x1456/0x1e40
[   74.563096][ T5073]        process_one_work+0x886/0x15d0
[   74.568553][ T5073]        worker_thread+0x8b9/0x1290
[   74.573748][ T5073]        kthread+0x2c6/0x3a0
[   74.578332][ T5073]        ret_from_fork+0x45/0x80
[   74.583269][ T5073]        ret_from_fork_asm+0x11/0x20
[   74.588565][ T5073] 
[   74.588565][ T5073] -> #0 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}:
[   74.597777][ T5073]        __lock_acquire+0x2433/0x3b20
[   74.603162][ T5073]        lock_acquire+0x1ae/0x520
[   74.608191][ T5073]        __flush_work+0x103/0xa10
[   74.613246][ T5073]        hci_dev_close_sync+0x22d/0x1160
[   74.618876][ T5073]        hci_dev_do_close+0x2e/0x90
[   74.624067][ T5073]        hci_rfkill_set_block+0x1b9/0x200
[   74.629778][ T5073]        rfkill_set_block+0x200/0x550
[   74.635150][ T5073]        rfkill_fop_write+0x2d4/0x570
[   74.640521][ T5073]        vfs_write+0x2a4/0xdf0
[   74.645278][ T5073]        ksys_write+0x1f0/0x250
[   74.650119][ T5073]        do_syscall_64+0x40/0x110
[   74.655137][ T5073]        entry_SYSCALL_64_after_hwframe+0x63/0x6b
[   74.661553][ T5073] 
[   74.661553][ T5073] other info that might help us debug this:
[   74.661553][ T5073] 
[   74.671764][ T5073] Chain exists of:
[   74.671764][ T5073]   (work_completion)(&hdev->tx_work) --> rfkill_global_mutex --> &hdev->req_lock
[   74.671764][ T5073] 
[   74.686701][ T5073]  Possible unsafe locking scenario:
[   74.686701][ T5073] 
[   74.694138][ T5073]        CPU0                    CPU1
[   74.699488][ T5073]        ----                    ----
[   74.704839][ T5073]   lock(&hdev->req_lock);
[   74.709249][ T5073]                                lock(rfkill_global_mutex);
[   74.716520][ T5073]                                lock(&hdev->req_lock);
[   74.723443][ T5073]   lock((work_completion)(&hdev->tx_work));
[   74.729411][ T5073] 
[   74.729411][ T5073]  *** DEADLOCK ***
[   74.729411][ T5073] 
[   74.737536][ T5073] 2 locks held by syz-executor288/5073:
[   74.743065][ T5073]  #0: ffffffff8ef2d9e8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x16e/0x570
[   74.753161][ T5073]  #1: ffff8880792b5108 (&hdev->req_lock){+.+.}-{3:3}, at: hci_dev_do_close+0x26/0x90
[   74.762732][ T5073] 
[   74.762732][ T5073] stack backtrace:
[   74.768702][ T5073] CPU: 0 PID: 5073 Comm: syz-executor288 Not tainted 6.7.0-rc5-syzkaller #0
[   74.777366][ T5073] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023
[   74.787412][ T5073] Call Trace:
[   74.790687][ T5073]  <TASK>
[   74.793610][ T5073]  dump_stack_lvl+0xd9/0x1b0
[   74.798204][ T5073]  check_noncircular+0x317/0x400
[   74.803149][ T5073]  ? print_circular_bug+0x5c0/0x5c0
[   74.808353][ T5073]  ? is_bpf_text_address+0x94/0x1a0
[   74.813551][ T5073]  ? lockdep_lock+0xc6/0x200
[   74.818144][ T5073]  ? hlock_class+0x130/0x130
[   74.822738][ T5073]  __lock_acquire+0x2433/0x3b20
[   74.827601][ T5073]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[   74.833586][ T5073]  ? save_trace+0x4e/0xb30
[   74.838003][ T5073]  ? _find_first_zero_bit+0x94/0xb0
[   74.843208][ T5073]  lock_acquire+0x1ae/0x520
[   74.847714][ T5073]  ? __flush_work+0xfa/0xa10
[   74.852309][ T5073]  ? lock_sync+0x190/0x190
[   74.856730][ T5073]  ? __flush_work+0xfa/0xa10
[   74.861324][ T5073]  __flush_work+0x103/0xa10
[   74.865828][ T5073]  ? __flush_work+0xfa/0xa10
[   74.870419][ T5073]  ? cancel_delayed_work+0x20/0x20
[   74.875556][ T5073]  hci_dev_close_sync+0x22d/0x1160
[   74.880669][ T5073]  ? find_held_lock+0x2d/0x110
[   74.885436][ T5073]  ? hci_reset_sync+0x50/0x50
[   74.890110][ T5073]  ? reacquire_held_locks+0x4c0/0x4c0
[   74.895491][ T5073]  hci_dev_do_close+0x2e/0x90
[   74.900166][ T5073]  hci_rfkill_set_block+0x1b9/0x200
[   74.905362][ T5073]  ? lockdep_hardirqs_on+0x7d/0x110
[   74.910581][ T5073]  ? hci_power_on+0x670/0x670
[   74.915255][ T5073]  rfkill_set_block+0x200/0x550
[   74.920139][ T5073]  rfkill_fop_write+0x2d4/0x570
[   74.925078][ T5073]  ? rfkill_register+0xb30/0xb30
[   74.930014][ T5073]  ? bpf_lsm_inode_killpriv+0x10/0x10
[   74.935397][ T5073]  ? security_file_permission+0x94/0x100
[   74.941032][ T5073]  vfs_write+0x2a4/0xdf0
[   74.945290][ T5073]  ? rfkill_register+0xb30/0xb30
[   74.950225][ T5073]  ? recalc_sigpending_tsk+0x187/0x1d0
[   74.955676][ T5073]  ? kernel_write+0x6c0/0x6c0
[   74.960359][ T5073]  ? find_held_lock+0x2d/0x110
[   74.965132][ T5073]  ? ptrace_notify+0xf4/0x130
[   74.969806][ T5073]  ? reacquire_held_locks+0x4c0/0x4c0
[   74.975184][ T5073]  ? __fget_light+0x1fc/0x260
[   74.979856][ T5073]  ksys_write+0x1f0/0x250
[   74.984178][ T5073]  ? __ia32_sys_read+0xb0/0xb0
[   74.988975][ T5073]  ? syscall_trace_enter.constprop.0+0xaf/0x1e0
[   74.995231][ T5073]  do_syscall_64+0x40/0x110
[   74.999752][ T5073]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[   75.005658][ T5073] RIP: 0033:0x7f1eacab5479
[   75.010068][ T5073] Code: 48 83 c4 28 c3 e8 e7 18 00 00 0f 1f 80 00 00 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 b0 ff ff ff f7 d8 64 89 01 48
[   75.029667][ T5073] RSP: 002b:00007fffd85b27e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[pid  5073] write(3, "\xfa\xcf\x00\x00\x02\x03\x01\x00", 8) = 8
[pid  5073] exit_group(1)               = ?
[pid  5073] +++ exited with 1 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5073, si_uid=0, si_status=1, si_utime=0, si_stime=7 /* 0.07 s */} ---
exit_group(0)                           = ?
+++ exited with 0 +++
[   75.038072][ T5073] RAX: ffffffffffffffda RBX: 00007f1eacb0c043 RCX: 00007f1eacab5479