./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor4248241268

<...>
Warning: Permanently added '10.128.1.123' (ED25519) to the list of known hosts.
execve("./syz-executor4248241268", ["./syz-executor4248241268"], 0x7ffe73a2f850 /* 10 vars */) = 0
brk(NULL)                               = 0x555555c75000
brk(0x555555c75d40)                     = 0x555555c75d40
arch_prctl(ARCH_SET_FS, 0x555555c753c0) = 0
set_tid_address(0x555555c75690)         = 5073
set_robust_list(0x555555c756a0, 24)     = 0
rseq(0x555555c75ce0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor4248241268", 4096) = 28
getrandom("\x89\xd7\x16\xf3\xe1\x71\xed\x0d", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x555555c75d40
brk(0x555555c96d40)                     = 0x555555c96d40
brk(0x555555c97000)                     = 0x555555c97000
mprotect(0x7f85b8d13000, 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 5074 attached
, child_tidptr=0x555555c75690) = 5074
[pid  5074] set_robust_list(0x555555c756a0, 24) = 0
[pid  5074] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid  5074] socket(AF_BLUETOOTH, SOCK_RAW, BTPROTO_HCI) = 3
[pid  5074] openat(AT_FDCWD, "/dev/vhci", O_RDWR) = 4
[pid  5074] dup2(4, 202)                = 202
[pid  5074] close(4)                    = 0
[pid  5074] write(202, "\xff\x00", 2)   = 2
[pid  5074] read(202, "\xff\x00\x00\x00", 4) = 4
[pid  5074] rt_sigaction(SIGRT_1, {sa_handler=0x7f85b8cb5440, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f85b8ca6ac0}, NULL, 8) = 0
[pid  5074] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5074] mmap(NULL, 8392704, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f85b8450000
[pid  5074] mprotect(0x7f85b8451000, 8388608, PROT_READ|PROT_WRITE) = 0
[pid  5074] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5074] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f85b8c50990, parent_tid=0x7f85b8c50990, exit_signal=0, stack=0x7f85b8450000, stack_size=0x800300, tls=0x7f85b8c506c0}./strace-static-x86_64: Process 5077 attached
 => {parent_tid=[2]}, 88) = 2
[pid  5077] rseq(0x7f85b8c50fe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5074] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5074] ioctl(3, HCIDEVUP <unfinished ...>
[pid  5077] <... rseq resumed>)         = 0
[pid  5077] set_robust_list(0x7f85b8c509a0, 24) = 0
[pid  5077] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5077] read(202, "\x01\x03\x0c\x00", 1024) = 4
[pid  5077] 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  5077] read(202, "\x01\x03\x10\x00", 1024) = 4
[pid  5077] 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  5077] read(202, "\x01\x01\x10\x00", 1024) = 4
[pid  5077] 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  5077] read(202, "\x01\x09\x10\x00", 1024) = 4
[pid  5077] 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
[   91.219658][ T5075] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[   91.239081][ T5075] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[   91.260356][ T5078] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[pid  5077] read(202, "\x01\x05\x10\x00", 1024) = 4
[pid  5077] 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  5077] read(202, "\x01\x23\x0c\x00", 1024) = 4
[pid  5077] 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  5077] read(202, "\x01\x14\x0c\x00", 1024) = 4
[pid  5077] 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  5077] read(202, "\x01\x25\x0c\x00", 1024) = 4
[pid  5077] 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  5077] read(202, "\x01\x38\x0c\x00", 1024) = 4
[pid  5077] 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  5077] read(202, "\x01\x39\x0c\x00", 1024) = 4
[pid  5077] 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  5077] read(202, "\x01\x16\x0c\x02\x00\x7d", 1024) = 6
[pid  5077] 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  5077] read(202,  <unfinished ...>
[pid  5074] <... ioctl resumed>, 0)     = -1 EALREADY (Operation already in progress)
[pid  5074] ioctl(3, HCISETSCAN <unfinished ...>
[pid  5077] <... read resumed>"\x01\x1a\x0c\x01\x02", 1024) = 5
[pid  5077] 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  5077] rt_sigprocmask(SIG_BLOCK, ~[RT_1], NULL, 8) = 0
[pid  5077] madvise(0x7f85b8450000, 8372224, MADV_DONTNEED <unfinished ...>
[pid  5074] <... ioctl resumed>, 0x7fff87cb9034) = 0
[pid  5077] <... madvise resumed>)      = 0
[pid  5074] 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  5077] exit(0 <unfinished ...>
[pid  5074] <... writev resumed>)       = 13
[pid  5077] <... exit resumed>)         = ?
[pid  5074] 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
[   91.314637][ T5078] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[   91.334185][ T5078] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3
[   91.352890][ T5078] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[pid  5074] 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  5077] +++ exited with 0 +++
[pid  5074] <... writev resumed>)       = 14
[pid  5074] 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  5074] close(3)                    = 0
[pid  5074] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5074] setsid()                    = 1
[pid  5074] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0
[pid  5074] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0
[pid  5074] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0
[pid  5074] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0
[pid  5074] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0
[pid  5074] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0
[pid  5074] unshare(CLONE_NEWNS)        = 0
[pid  5074] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0
[pid  5074] unshare(CLONE_NEWIPC)       = 0
[pid  5074] unshare(CLONE_NEWCGROUP)    = 0
[pid  5074] unshare(CLONE_NEWUTS)       = 0
[pid  5074] unshare(CLONE_SYSVSEM)      = 0
[pid  5074] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3
[pid  5074] write(3, "16777216", 8)     = 8
[pid  5074] close(3)                    = 0
[pid  5074] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3
[pid  5074] write(3, "536870912", 9)    = 9
[pid  5074] close(3)                    = 0
[pid  5074] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3
[pid  5074] write(3, "1024", 4)         = 4
[pid  5074] close(3)                    = 0
[pid  5074] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3
[pid  5074] write(3, "8192", 4)         = 4
[pid  5074] close(3)                    = 0
[pid  5074] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3
[pid  5074] write(3, "1024", 4)         = 4
[pid  5074] close(3)                    = 0
[pid  5074] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3
[pid  5074] write(3, "1024", 4)         = 4
[pid  5074] close(3)                    = 0
[pid  5074] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3
[pid  5074] write(3, "1024 1048576 500 1024", 21) = 21
[pid  5074] close(3)                    = 0
[pid  5074] getpid()                    = 1
[pid  5074] 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  5074] 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  5074] unshare(CLONE_NEWNET)       = 0
[pid  5074] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3
[pid  5074] write(3, "0 65535", 7)      = 7
[pid  5074] close(3)                    = 0
[pid  5074] mkdir("/dev/binderfs", 0777) = 0
[pid  5074] mount("binder", "/dev/binderfs", "binder", 0, NULL) = 0
[pid  5074] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5074] openat(AT_FDCWD, "/dev/rfkill", O_WRONLY|O_CREAT|O_APPEND|O_NOATIME|O_CLOEXEC, 000) = 3
[   91.777950][ T5074] 
[   91.780416][ T5074] ======================================================
[   91.787452][ T5074] WARNING: possible circular locking dependency detected
[   91.794496][ T5074] 6.7.0-rc4-syzkaller-00009-gbee0e7762ad2 #0 Not tainted
[   91.801533][ T5074] ------------------------------------------------------
[   91.808564][ T5074] syz-executor424/5074 is trying to acquire lock:
[   91.814988][ T5074] ffff88807d7d4e10 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}, at: __flush_work+0xfa/0xa10
[   91.825509][ T5074] 
[   91.825509][ T5074] but task is already holding lock:
[   91.832893][ T5074] ffff88807d7d5108 (&hdev->req_lock){+.+.}-{3:3}, at: hci_dev_do_close+0x26/0x90
[   91.842094][ T5074] 
[   91.842094][ T5074] which lock already depends on the new lock.
[   91.842094][ T5074] 
[   91.852514][ T5074] 
[   91.852514][ T5074] the existing dependency chain (in reverse order) is:
[   91.861526][ T5074] 
[   91.861526][ T5074] -> #3 (&hdev->req_lock){+.+.}-{3:3}:
[   91.869180][ T5074]        __mutex_lock+0x175/0x9d0
[   91.874228][ T5074]        hci_dev_do_close+0x26/0x90
[   91.879438][ T5074]        hci_rfkill_set_block+0x1b9/0x200
[   91.885167][ T5074]        rfkill_set_block+0x200/0x550
[   91.890551][ T5074]        rfkill_fop_write+0x2d4/0x570
[   91.895947][ T5074]        vfs_write+0x2a4/0xdf0
[   91.900720][ T5074]        ksys_write+0x1f0/0x250
[   91.905580][ T5074]        do_syscall_64+0x40/0x110
[   91.910619][ T5074]        entry_SYSCALL_64_after_hwframe+0x63/0x6b
[   91.917069][ T5074] 
[   91.917069][ T5074] -> #2 (rfkill_global_mutex){+.+.}-{3:3}:
[   91.925089][ T5074]        __mutex_lock+0x175/0x9d0
[   91.930133][ T5074]        rfkill_register+0x3a/0xb30
[   91.935343][ T5074]        hci_register_dev+0x43a/0xd40
[   91.940725][ T5074]        __vhci_create_device+0x393/0x800
[   91.946484][ T5074]        vhci_write+0x2c7/0x470
[   91.951380][ T5074]        vfs_write+0x64f/0xdf0
[   91.956157][ T5074]        ksys_write+0x12f/0x250
[   91.961017][ T5074]        do_syscall_64+0x40/0x110
[   91.966052][ T5074]        entry_SYSCALL_64_after_hwframe+0x63/0x6b
[   91.972503][ T5074] 
[   91.972503][ T5074] -> #1 (&data->open_mutex){+.+.}-{3:3}:
[   91.980328][ T5074]        __mutex_lock+0x175/0x9d0
[   91.985372][ T5074]        vhci_send_frame+0x67/0xa0
[   91.990500][ T5074]        hci_send_frame+0x220/0x470
[   91.995718][ T5074]        hci_tx_work+0x1456/0x1e40
[   92.000830][ T5074]        process_one_work+0x886/0x15d0
[   92.006304][ T5074]        worker_thread+0x8b9/0x1290
[   92.011519][ T5074]        kthread+0x2c6/0x3a0
[   92.016141][ T5074]        ret_from_fork+0x45/0x80
[   92.021102][ T5074]        ret_from_fork_asm+0x11/0x20
[   92.026402][ T5074] 
[   92.026402][ T5074] -> #0 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}:
[   92.035619][ T5074]        __lock_acquire+0x2433/0x3b20
[   92.041019][ T5074]        lock_acquire+0x1ae/0x520
[   92.046066][ T5074]        __flush_work+0x103/0xa10
[   92.051114][ T5074]        hci_dev_close_sync+0x22d/0x1160
[   92.056761][ T5074]        hci_dev_do_close+0x2e/0x90
[   92.061966][ T5074]        hci_rfkill_set_block+0x1b9/0x200
[   92.067695][ T5074]        rfkill_set_block+0x200/0x550
[   92.073099][ T5074]        rfkill_fop_write+0x2d4/0x570
[   92.078510][ T5074]        vfs_write+0x2a4/0xdf0
[   92.083277][ T5074]        ksys_write+0x1f0/0x250
[   92.088135][ T5074]        do_syscall_64+0x40/0x110
[   92.093260][ T5074]        entry_SYSCALL_64_after_hwframe+0x63/0x6b
[   92.099704][ T5074] 
[   92.099704][ T5074] other info that might help us debug this:
[   92.099704][ T5074] 
[   92.109943][ T5074] Chain exists of:
[   92.109943][ T5074]   (work_completion)(&hdev->tx_work) --> rfkill_global_mutex --> &hdev->req_lock
[   92.109943][ T5074] 
[   92.124912][ T5074]  Possible unsafe locking scenario:
[   92.124912][ T5074] 
[   92.132356][ T5074]        CPU0                    CPU1
[   92.137731][ T5074]        ----                    ----
[   92.143094][ T5074]   lock(&hdev->req_lock);
[   92.147518][ T5074]                                lock(rfkill_global_mutex);
[   92.154824][ T5074]                                lock(&hdev->req_lock);
[   92.161787][ T5074]   lock((work_completion)(&hdev->tx_work));
[   92.167770][ T5074] 
[   92.167770][ T5074]  *** DEADLOCK ***
[   92.167770][ T5074] 
[   92.175906][ T5074] 2 locks held by syz-executor424/5074:
[   92.181449][ T5074]  #0: ffffffff8ef2d1e8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x16e/0x570
[   92.191586][ T5074]  #1: ffff88807d7d5108 (&hdev->req_lock){+.+.}-{3:3}, at: hci_dev_do_close+0x26/0x90
[   92.201187][ T5074] 
[   92.201187][ T5074] stack backtrace:
[   92.207074][ T5074] CPU: 0 PID: 5074 Comm: syz-executor424 Not tainted 6.7.0-rc4-syzkaller-00009-gbee0e7762ad2 #0
[   92.217491][ T5074] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023
[   92.227547][ T5074] Call Trace:
[   92.230825][ T5074]  <TASK>
[   92.233763][ T5074]  dump_stack_lvl+0xd9/0x1b0
[   92.238367][ T5074]  check_noncircular+0x317/0x400
[   92.243336][ T5074]  ? print_circular_bug+0x5c0/0x5c0
[   92.248553][ T5074]  ? is_bpf_text_address+0x94/0x1a0
[   92.253779][ T5074]  ? lockdep_lock+0xc6/0x200
[   92.258385][ T5074]  ? hlock_class+0x130/0x130
[   92.263087][ T5074]  __lock_acquire+0x2433/0x3b20
[   92.267971][ T5074]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[   92.273982][ T5074]  ? save_trace+0x4e/0xb30
[   92.278421][ T5074]  ? _find_first_zero_bit+0x94/0xb0
[   92.283646][ T5074]  lock_acquire+0x1ae/0x520
[   92.288168][ T5074]  ? __flush_work+0xfa/0xa10
[   92.292774][ T5074]  ? lock_sync+0x190/0x190
[   92.297228][ T5074]  ? __flush_work+0xfa/0xa10
[   92.301835][ T5074]  __flush_work+0x103/0xa10
[   92.306351][ T5074]  ? __flush_work+0xfa/0xa10
[   92.310956][ T5074]  ? cancel_delayed_work+0x20/0x20
[   92.316121][ T5074]  hci_dev_close_sync+0x22d/0x1160
[   92.321255][ T5074]  ? find_held_lock+0x2d/0x110
[   92.326037][ T5074]  ? hci_reset_sync+0x50/0x50
[   92.330726][ T5074]  ? reacquire_held_locks+0x4c0/0x4c0
[   92.336138][ T5074]  hci_dev_do_close+0x2e/0x90
[   92.340832][ T5074]  hci_rfkill_set_block+0x1b9/0x200
[   92.346043][ T5074]  ? lockdep_hardirqs_on+0x7d/0x110
[   92.351264][ T5074]  ? hci_power_on+0x670/0x670
[   92.355943][ T5074]  rfkill_set_block+0x200/0x550
[   92.360812][ T5074]  rfkill_fop_write+0x2d4/0x570
[   92.365680][ T5074]  ? rfkill_register+0xb30/0xb30
[   92.370632][ T5074]  ? bpf_lsm_inode_listsecurity+0x10/0x10
[   92.376370][ T5074]  ? security_file_permission+0x94/0x100
[   92.382017][ T5074]  vfs_write+0x2a4/0xdf0
[   92.386286][ T5074]  ? rfkill_register+0xb30/0xb30
[   92.391238][ T5074]  ? recalc_sigpending_tsk+0x187/0x1d0
[   92.396702][ T5074]  ? kernel_write+0x6c0/0x6c0
[   92.401380][ T5074]  ? find_held_lock+0x2d/0x110
[   92.406156][ T5074]  ? ptrace_notify+0xf4/0x130
[   92.410853][ T5074]  ? reacquire_held_locks+0x4c0/0x4c0
[   92.416250][ T5074]  ? __fget_light+0x1fc/0x260
[   92.420931][ T5074]  ksys_write+0x1f0/0x250
[   92.425267][ T5074]  ? __ia32_sys_read+0xb0/0xb0
[   92.430041][ T5074]  ? syscall_trace_enter.constprop.0+0xaf/0x1e0
[   92.436299][ T5074]  do_syscall_64+0x40/0x110
[   92.440821][ T5074]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[   92.446742][ T5074] RIP: 0033:0x7f85b8c8f479
[   92.451167][ T5074] 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
[   92.470799][ T5074] RSP: 002b:00007fff87cb9018 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   92.479224][ T5074] RAX: ffffffffffffffda RBX: 00007f85b8ce6043 RCX: 00007f85b8c8f479
[   92.487206][ T5074] RDX: 0000000000000008 RSI: 0000000020000040 RDI: 0000000000000003
[   92.495193][ T5074] RBP: 00007fff87cb9060 R08: 000000ff00ff6650 R09: 000000ff00ff6650
[   92.503174][ T5074] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff87cb9048
[   92.511149][ T5074] R13: 00007f85b8d135b0 R14: 0000000000000000 R15: 0000000000000001
[   92.519134][ T5074]  </TASK>
[pid  5074] write(3, "\x00\x00\x00\x00\x00\x03\x01\x00", 8) = 8
[pid  5074] exit_group(1)               = ?
[pid  5074] +++ exited with 1 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5074, si_uid=0, si_status=1, si_utime=0, si_stime=11 /* 0.11 s */} ---
exit_group(0)                           = ?
+++ exited with 0 +++