./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3950787321

<...>
[   97.391097][   T27] cfg80211: failed to load regulatory.db
Warning: Permanently added '10.128.1.94' (ED25519) to the list of known hosts.
execve("./syz-executor3950787321", ["./syz-executor3950787321"], 0x7ffc108ff6c0 /* 10 vars */) = 0
brk(NULL)                               = 0x555555cf5000
brk(0x555555cf5d40)                     = 0x555555cf5d40
arch_prctl(ARCH_SET_FS, 0x555555cf53c0) = 0
set_tid_address(0x555555cf5690)         = 5075
set_robust_list(0x555555cf56a0, 24)     = 0
rseq(0x555555cf5ce0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor3950787321", 4096) = 28
getrandom("\x1e\x3b\x75\x5f\x03\x21\xdb\xdb", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x555555cf5d40
brk(0x555555d16d40)                     = 0x555555d16d40
brk(0x555555d17000)                     = 0x555555d17000
mprotect(0x7f2cbef30000, 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=0x555555cf5690) = 5076
./strace-static-x86_64: Process 5076 attached
[pid  5076] set_robust_list(0x555555cf56a0, 24) = 0
[pid  5076] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid  5076] socket(AF_BLUETOOTH, SOCK_RAW, BTPROTO_HCI) = 3
[pid  5076] openat(AT_FDCWD, "/dev/vhci", O_RDWR) = 4
[pid  5076] dup2(4, 202)                = 202
[pid  5076] close(4)                    = 0
[pid  5076] write(202, "\xff\x00", 2)   = 2
[pid  5076] read(202, "\xff\x00\x00\x00", 4) = 4
[pid  5076] rt_sigaction(SIGRT_1, {sa_handler=0x7f2cbeed2440, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2cbeec3ac0}, NULL, 8) = 0
[pid  5076] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5076] mmap(NULL, 8392704, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2cbe66d000
[pid  5076] mprotect(0x7f2cbe66e000, 8388608, PROT_READ|PROT_WRITE) = 0
[pid  5076] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5076] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2cbee6d990, parent_tid=0x7f2cbee6d990, exit_signal=0, stack=0x7f2cbe66d000, stack_size=0x800300, tls=0x7f2cbee6d6c0}./strace-static-x86_64: Process 5078 attached
 => {parent_tid=[2]}, 88) = 2
[pid  5078] rseq(0x7f2cbee6dfe0, 0x20, 0, 0x53053053) = 0
[pid  5078] set_robust_list(0x7f2cbee6d9a0, 24) = 0
[pid  5078] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5076] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5078] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5076] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5078] read(202,  <unfinished ...>
[pid  5076] ioctl(3, HCIDEVUP <unfinished ...>
[pid  5078] <... read resumed>"\x01\x03\x0c\x00", 1024) = 4
[pid  5078] 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  5078] read(202, "\x01\x03\x10\x00", 1024) = 4
[pid  5078] 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  5078] read(202, "\x01\x01\x10\x00", 1024) = 4
[pid  5078] 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  5078] read(202, "\x01\x09\x10\x00", 1024) = 4
[pid  5078] 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  5078] read(202, "\x01\x05\x10\x00", 1024) = 4
[pid  5078] 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  5078] read(202, "\x01\x23\x0c\x00", 1024) = 4
[pid  5078] 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
[   98.485429][   T50] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[   98.504983][   T50] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[   98.524409][   T50] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[pid  5078] read(202, "\x01\x14\x0c\x00", 1024) = 4
[pid  5078] 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  5078] read(202, "\x01\x25\x0c\x00", 1024) = 4
[pid  5078] 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  5078] read(202, "\x01\x38\x0c\x00", 1024) = 4
[   98.534956][   T50] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[   98.575133][   T50] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3
[pid  5078] 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  5078] read(202, "\x01\x39\x0c\x00", 1024) = 4
[pid  5078] 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  5078] read(202, "\x01\x16\x0c\x02\x00\x7d", 1024) = 6
[pid  5078] 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  5078] read(202,  <unfinished ...>
[pid  5076] <... ioctl resumed>, 0)     = -1 EALREADY (Operation already in progress)
[   98.586776][   T50] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[pid  5076] ioctl(3, HCISETSCAN <unfinished ...>
[pid  5078] <... read resumed>"\x01\x1a\x0c\x01\x02", 1024) = 5
[pid  5078] 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  5078] rt_sigprocmask(SIG_BLOCK, ~[RT_1], NULL, 8) = 0
[pid  5078] madvise(0x7f2cbe66d000, 8372224, MADV_DONTNEED <unfinished ...>
[pid  5076] <... ioctl resumed>, 0x7ffcb45d7a44) = 0
[pid  5078] <... madvise resumed>)      = 0
[pid  5078] exit(0)                     = ?
[pid  5078] +++ exited with 0 +++
[pid  5076] 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) = 13
[pid  5076] 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  5076] 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  5076] 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  5076] close(3)                    = 0
[pid  5076] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5076] setsid()                    = 1
[pid  5076] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0
[pid  5076] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0
[pid  5076] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0
[pid  5076] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0
[pid  5076] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0
[pid  5076] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0
[pid  5076] unshare(CLONE_NEWNS)        = 0
[pid  5076] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0
[pid  5076] unshare(CLONE_NEWIPC)       = 0
[pid  5076] unshare(CLONE_NEWCGROUP)    = 0
[pid  5076] unshare(CLONE_NEWUTS)       = 0
[pid  5076] unshare(CLONE_SYSVSEM)      = 0
[pid  5076] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3
[pid  5076] write(3, "16777216", 8)     = 8
[pid  5076] close(3)                    = 0
[pid  5076] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3
[pid  5076] write(3, "536870912", 9)    = 9
[pid  5076] close(3)                    = 0
[pid  5076] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3
[pid  5076] write(3, "1024", 4)         = 4
[pid  5076] close(3)                    = 0
[pid  5076] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3
[pid  5076] write(3, "8192", 4)         = 4
[pid  5076] close(3)                    = 0
[pid  5076] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3
[pid  5076] write(3, "1024", 4)         = 4
[pid  5076] close(3)                    = 0
[pid  5076] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3
[pid  5076] write(3, "1024", 4)         = 4
[pid  5076] close(3)                    = 0
[pid  5076] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3
[pid  5076] write(3, "1024 1048576 500 1024", 21) = 21
[pid  5076] close(3)                    = 0
[pid  5076] getpid()                    = 1
[pid  5076] 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  5076] 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  5076] unshare(CLONE_NEWNET)       = 0
[pid  5076] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3
[pid  5076] write(3, "0 65535", 7)      = 7
[pid  5076] close(3)                    = 0
[pid  5076] mkdir("/dev/binderfs", 0777) = 0
[pid  5076] mount("binder", "/dev/binderfs", "binder", 0, NULL) = 0
[pid  5076] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5076] openat(AT_FDCWD, "/dev/rfkill", O_RDWR|O_EXCL|O_NOATIME|O_CLOEXEC) = 3
[   99.119264][ T5076] 
[   99.121658][ T5076] ======================================================
[   99.128718][ T5076] WARNING: possible circular locking dependency detected
[   99.135859][ T5076] 6.7.0-rc6-syzkaller-00010-g2cf4f94d8e86 #0 Not tainted
[   99.142916][ T5076] ------------------------------------------------------
[   99.149963][ T5076] syz-executor395/5076 is trying to acquire lock:
[   99.156405][ T5076] ffff8880749b8e10 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}, at: __flush_work+0xfa/0xa10
[   99.166951][ T5076] 
[   99.166951][ T5076] but task is already holding lock:
[   99.174347][ T5076] ffff8880749b9108 (&hdev->req_lock){+.+.}-{3:3}, at: hci_dev_do_close+0x26/0x90
[   99.183566][ T5076] 
[   99.183566][ T5076] which lock already depends on the new lock.
[   99.183566][ T5076] 
[   99.193978][ T5076] 
[   99.193978][ T5076] the existing dependency chain (in reverse order) is:
[   99.202999][ T5076] 
[   99.202999][ T5076] -> #3 (&hdev->req_lock){+.+.}-{3:3}:
[   99.210669][ T5076]        __mutex_lock+0x175/0x9d0
[   99.215712][ T5076]        hci_dev_do_close+0x26/0x90
[   99.220932][ T5076]        hci_rfkill_set_block+0x1b9/0x200
[   99.226692][ T5076]        rfkill_set_block+0x200/0x550
[   99.232092][ T5076]        rfkill_fop_write+0x2d4/0x570
[   99.237491][ T5076]        vfs_write+0x2a4/0xdf0
[   99.242361][ T5076]        ksys_write+0x1f0/0x250
[   99.247226][ T5076]        do_syscall_64+0x40/0x110
[   99.252280][ T5076]        entry_SYSCALL_64_after_hwframe+0x63/0x6b
[   99.258721][ T5076] 
[   99.258721][ T5076] -> #2 (rfkill_global_mutex){+.+.}-{3:3}:
[   99.266737][ T5076]        __mutex_lock+0x175/0x9d0
[   99.271782][ T5076]        rfkill_register+0x3a/0xb30
[   99.277022][ T5076]        hci_register_dev+0x43a/0xd40
[   99.282422][ T5076]        __vhci_create_device+0x393/0x800
[   99.288181][ T5076]        vhci_write+0x2c7/0x470
[   99.293066][ T5076]        vfs_write+0x64f/0xdf0
[   99.297880][ T5076]        ksys_write+0x12f/0x250
[   99.302750][ T5076]        do_syscall_64+0x40/0x110
[   99.307807][ T5076]        entry_SYSCALL_64_after_hwframe+0x63/0x6b
[   99.314244][ T5076] 
[   99.314244][ T5076] -> #1 (&data->open_mutex){+.+.}-{3:3}:
[   99.322092][ T5076]        __mutex_lock+0x175/0x9d0
[   99.327135][ T5076]        vhci_send_frame+0x67/0xa0
[   99.332279][ T5076]        hci_send_frame+0x220/0x470
[   99.337495][ T5076]        hci_tx_work+0x1456/0x1e40
[   99.342629][ T5076]        process_one_work+0x886/0x15d0
[   99.348123][ T5076]        worker_thread+0x8b9/0x1290
[   99.353443][ T5076]        kthread+0x2c6/0x3a0
[   99.358067][ T5076]        ret_from_fork+0x45/0x80
[   99.363036][ T5076]        ret_from_fork_asm+0x11/0x20
[   99.368351][ T5076] 
[   99.368351][ T5076] -> #0 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}:
[   99.377589][ T5076]        __lock_acquire+0x2433/0x3b20
[   99.383006][ T5076]        lock_acquire+0x1ae/0x520
[   99.388150][ T5076]        __flush_work+0x103/0xa10
[   99.393201][ T5076]        hci_dev_close_sync+0x22d/0x1160
[   99.398863][ T5076]        hci_dev_do_close+0x2e/0x90
[   99.404087][ T5076]        hci_rfkill_set_block+0x1b9/0x200
[   99.409848][ T5076]        rfkill_set_block+0x200/0x550
[   99.415272][ T5076]        rfkill_fop_write+0x2d4/0x570
[   99.420685][ T5076]        vfs_write+0x2a4/0xdf0
[   99.425469][ T5076]        ksys_write+0x1f0/0x250
[   99.430338][ T5076]        do_syscall_64+0x40/0x110
[   99.435390][ T5076]        entry_SYSCALL_64_after_hwframe+0x63/0x6b
[   99.441829][ T5076] 
[   99.441829][ T5076] other info that might help us debug this:
[   99.441829][ T5076] 
[   99.452064][ T5076] Chain exists of:
[   99.452064][ T5076]   (work_completion)(&hdev->tx_work) --> rfkill_global_mutex --> &hdev->req_lock
[   99.452064][ T5076] 
[   99.467039][ T5076]  Possible unsafe locking scenario:
[   99.467039][ T5076] 
[   99.474599][ T5076]        CPU0                    CPU1
[   99.479986][ T5076]        ----                    ----
[   99.485358][ T5076]   lock(&hdev->req_lock);
[   99.489794][ T5076]                                lock(rfkill_global_mutex);
[   99.497091][ T5076]                                lock(&hdev->req_lock);
[   99.504040][ T5076]   lock((work_completion)(&hdev->tx_work));
[   99.510036][ T5076] 
[   99.510036][ T5076]  *** DEADLOCK ***
[   99.510036][ T5076] 
[   99.518203][ T5076] 2 locks held by syz-executor395/5076:
[   99.523757][ T5076]  #0: ffffffff8ef2caa8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x16e/0x570
[   99.533904][ T5076]  #1: ffff8880749b9108 (&hdev->req_lock){+.+.}-{3:3}, at: hci_dev_do_close+0x26/0x90
[   99.543518][ T5076] 
[   99.543518][ T5076] stack backtrace:
[   99.549412][ T5076] CPU: 0 PID: 5076 Comm: syz-executor395 Not tainted 6.7.0-rc6-syzkaller-00010-g2cf4f94d8e86 #0
[   99.559860][ T5076] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
[   99.569932][ T5076] Call Trace:
[   99.573230][ T5076]  <TASK>
[   99.576176][ T5076]  dump_stack_lvl+0xd9/0x1b0
[   99.580800][ T5076]  check_noncircular+0x317/0x400
[   99.585774][ T5076]  ? print_circular_bug+0x5c0/0x5c0
[   99.591010][ T5076]  ? is_bpf_text_address+0x94/0x1a0
[   99.596243][ T5076]  ? lockdep_lock+0xc6/0x200
[   99.600865][ T5076]  ? hlock_class+0x130/0x130
[   99.605496][ T5076]  __lock_acquire+0x2433/0x3b20
[   99.610397][ T5076]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[   99.616413][ T5076]  ? save_trace+0x4e/0xb30
[   99.620860][ T5076]  ? _find_first_zero_bit+0x94/0xb0
[   99.626131][ T5076]  lock_acquire+0x1ae/0x520
[   99.630687][ T5076]  ? __flush_work+0xfa/0xa10
[   99.635321][ T5076]  ? lock_sync+0x190/0x190
[   99.639784][ T5076]  ? __flush_work+0xfa/0xa10
[   99.644407][ T5076]  __flush_work+0x103/0xa10
[   99.648941][ T5076]  ? __flush_work+0xfa/0xa10
[   99.653565][ T5076]  ? cancel_delayed_work+0x20/0x20
[   99.658752][ T5076]  hci_dev_close_sync+0x22d/0x1160
[   99.663914][ T5076]  ? find_held_lock+0x2d/0x110
[   99.668730][ T5076]  ? hci_reset_sync+0x50/0x50
[   99.673447][ T5076]  ? reacquire_held_locks+0x4c0/0x4c0
[   99.678865][ T5076]  hci_dev_do_close+0x2e/0x90
[   99.683567][ T5076]  hci_rfkill_set_block+0x1b9/0x200
[   99.688790][ T5076]  ? lockdep_hardirqs_on+0x7d/0x110
[   99.694026][ T5076]  ? hci_power_on+0x670/0x670
[   99.698726][ T5076]  rfkill_set_block+0x200/0x550
[   99.703616][ T5076]  rfkill_fop_write+0x2d4/0x570
[   99.708603][ T5076]  ? rfkill_register+0xb30/0xb30
[   99.713573][ T5076]  ? bpf_lsm_inode_remove_acl+0x10/0x10
[   99.719141][ T5076]  ? security_file_permission+0x94/0x100
[   99.724806][ T5076]  vfs_write+0x2a4/0xdf0
[   99.729071][ T5076]  ? rfkill_register+0xb30/0xb30
[   99.734039][ T5076]  ? recalc_sigpending_tsk+0x187/0x1d0
[   99.739523][ T5076]  ? kernel_write+0x6c0/0x6c0
[   99.744221][ T5076]  ? find_held_lock+0x2d/0x110
[   99.749020][ T5076]  ? ptrace_notify+0xf4/0x130
[   99.753723][ T5076]  ? reacquire_held_locks+0x4c0/0x4c0
[   99.759223][ T5076]  ? __fget_light+0x1fc/0x260
[   99.763922][ T5076]  ksys_write+0x1f0/0x250
[   99.768273][ T5076]  ? __ia32_sys_read+0xb0/0xb0
[   99.773058][ T5076]  ? syscall_trace_enter.constprop.0+0xaf/0x1e0
[   99.779332][ T5076]  do_syscall_64+0x40/0x110
[   99.783869][ T5076]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[   99.789786][ T5076] RIP: 0033:0x7f2cbeeac479
[   99.794225][ T5076] 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
[   99.813867][ T5076] RSP: 002b:00007ffcb45d7a28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[pid  5076] write(3, "\x00\x00\x00\x00\x00\x03\x02\x00", 8) = 8
[pid  5076] exit_group(1)               = ?
[pid  5076] +++ exited with 1 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5076, si_uid=0, si_status=1, si_utime=0, si_stime=17 /* 0.17 s */} ---
exit_group(0)                           = ?
[   99.822302][ T5076] RAX: ffffffffffffffda RBX: 00007f2cbef03043 RCX: 00007f2cbeeac479
[   99.830295][ T5076] RDX: 0000000000000008 RSI: 0000000020000040 RDI: 0000000000000003
[   99.838281][ T5076] RBP: 00007ffcb45d7a70 R08: 000000ff00ff6650 R09: 000000ff00ff6650
[   99.846270][ T5076] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffcb45d7a58
[   99.854284][ T5076] R13: 00007f2cbef305b0 R14: 0000000000000000 R15: 0000000000000001
[   99.862295][ T5076]  </TASK>
+++ exited with 0 +++