./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor910566532

<...>
Warning: Permanently added '10.128.1.74' (ED25519) to the list of known hosts.
execve("./syz-executor910566532", ["./syz-executor910566532"], 0x7ffe5fbc62c0 /* 10 vars */) = 0
brk(NULL)                               = 0x555557451000
brk(0x555557451d40)                     = 0x555557451d40
arch_prctl(ARCH_SET_FS, 0x5555574513c0) = 0
set_tid_address(0x555557451690)         = 5069
set_robust_list(0x5555574516a0, 24)     = 0
rseq(0x555557451ce0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor910566532", 4096) = 27
getrandom("\x8b\xe2\x90\x21\x01\x5e\xaf\x8a", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x555557451d40
brk(0x555557472d40)                     = 0x555557472d40
brk(0x555557473000)                     = 0x555557473000
mprotect(0x7f2005e51000, 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=0x555557451690) = 5070
./strace-static-x86_64: Process 5070 attached
[pid  5070] set_robust_list(0x5555574516a0, 24) = 0
[pid  5070] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid  5070] socket(AF_BLUETOOTH, SOCK_RAW, BTPROTO_HCI) = 3
[pid  5070] openat(AT_FDCWD, "/dev/vhci", O_RDWR) = 4
[pid  5070] dup2(4, 202)                = 202
[pid  5070] close(4)                    = 0
[pid  5070] write(202, "\xff\x00", 2)   = 2
[pid  5070] read(202, "\xff\x00\x00\x00", 4) = 4
[pid  5070] rt_sigaction(SIGRT_1, {sa_handler=0x7f2005df2d40, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2005de43c0}, NULL, 8) = 0
[pid  5070] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5070] mmap(NULL, 8392704, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f200558d000
[pid  5070] mprotect(0x7f200558e000, 8388608, PROT_READ|PROT_WRITE) = 0
[pid  5070] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5070] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2005d8d990, parent_tid=0x7f2005d8d990, exit_signal=0, stack=0x7f200558d000, stack_size=0x800300, tls=0x7f2005d8d6c0}./strace-static-x86_64: Process 5073 attached
 => {parent_tid=[2]}, 88) = 2
[pid  5073] rseq(0x7f2005d8dfe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5070] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5073] <... rseq resumed>)         = 0
[pid  5070] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5073] set_robust_list(0x7f2005d8d9a0, 24 <unfinished ...>
[pid  5070] ioctl(3, HCIDEVUP <unfinished ...>
[pid  5073] <... set_robust_list resumed>) = 0
[pid  5073] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5073] read(202, "\x01\x03\x0c\x00", 1024) = 4
[pid  5073] 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  5073] read(202, "\x01\x03\x10\x00", 1024) = 4
[pid  5073] 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  5073] read(202, "\x01\x01\x10\x00", 1024) = 4
[pid  5073] 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  5073] read(202, "\x01\x09\x10\x00", 1024) = 4
[pid  5073] 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
[   73.201415][   T50] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[   73.220402][   T50] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[   73.241630][   T50] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[pid  5073] read(202, "\x01\x05\x10\x00", 1024) = 4
[pid  5073] 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  5073] read(202, "\x01\x23\x0c\x00", 1024) = 4
[pid  5073] 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  5073] read(202, "\x01\x14\x0c\x00", 1024) = 4
[pid  5073] 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  5073] read(202, "\x01\x25\x0c\x00", 1024) = 4
[pid  5073] 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  5073] read(202, "\x01\x38\x0c\x00", 1024) = 4
[pid  5073] 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  5073] read(202, "\x01\x39\x0c\x00", 1024) = 4
[pid  5073] 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  5073] read(202, "\x01\x16\x0c\x02\x00\x7d", 1024) = 6
[pid  5073] 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  5070] <... ioctl resumed>, 0)     = -1 EALREADY (Operation already in progress)
[pid  5073] read(202,  <unfinished ...>
[pid  5070] ioctl(3, HCISETSCAN <unfinished ...>
[pid  5073] <... read resumed>"\x01\x1a\x0c\x01\x02", 1024) = 5
[pid  5073] 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] rt_sigprocmask(SIG_BLOCK, ~[RT_1],  <unfinished ...>
[pid  5070] <... ioctl resumed>, 0x7ffecd502fec) = 0
[pid  5073] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5073] madvise(0x7f200558d000, 8372224, MADV_DONTNEED <unfinished ...>
[pid  5070] 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  5073] <... madvise resumed>)      = 0
[pid  5070] <... writev resumed>)       = 13
[   73.305481][   T50] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[   73.315199][   T50] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3
[   73.323675][   T50] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[pid  5073] exit(0 <unfinished ...>
[pid  5070] 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 <unfinished ...>
[pid  5073] <... exit resumed>)         = ?
[pid  5070] <... writev resumed>)       = 14
[pid  5073] +++ exited with 0 +++
[pid  5070] 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  5070] 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  5070] close(3)                    = 0
[pid  5070] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5070] setsid()                    = 1
[pid  5070] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY) = 3
[pid  5070] dup2(3, 201)                = 201
[pid  5070] close(3)                    = 0
[pid  5070] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0
[pid  5070] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0
[pid  5070] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0
[pid  5070] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0
[pid  5070] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0
[pid  5070] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0
[pid  5070] unshare(CLONE_NEWNS)        = 0
[pid  5070] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0
[pid  5070] unshare(CLONE_NEWIPC)       = 0
[pid  5070] unshare(CLONE_NEWCGROUP)    = 0
[pid  5070] unshare(CLONE_NEWUTS)       = 0
[pid  5070] unshare(CLONE_SYSVSEM)      = 0
[pid  5070] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3
[pid  5070] write(3, "16777216", 8)     = 8
[pid  5070] close(3)                    = 0
[pid  5070] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3
[pid  5070] write(3, "536870912", 9)    = 9
[pid  5070] close(3)                    = 0
[pid  5070] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3
[pid  5070] write(3, "1024", 4)         = 4
[pid  5070] close(3)                    = 0
[pid  5070] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3
[pid  5070] write(3, "8192", 4)         = 4
[pid  5070] close(3)                    = 0
[pid  5070] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3
[pid  5070] write(3, "1024", 4)         = 4
[pid  5070] close(3)                    = 0
[pid  5070] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3
[pid  5070] write(3, "1024", 4)         = 4
[pid  5070] close(3)                    = 0
[pid  5070] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3
[pid  5070] write(3, "1024 1048576 500 1024", 21) = 21
[pid  5070] close(3)                    = 0
[pid  5070] getpid()                    = 1
[pid  5070] 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  5070] 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  5070] unshare(CLONE_NEWNET)       = 0
[pid  5070] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3
[pid  5070] write(3, "0 65535", 7)      = 7
[pid  5070] close(3)                    = 0
[pid  5070] mkdir("/dev/binderfs", 0777) = 0
[pid  5070] mount("binder", "/dev/binderfs", "binder", 0, NULL) = 0
[pid  5070] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5075 attached
, child_tidptr=0x555557451690) = 3
[pid  5075] set_robust_list(0x5555574516a0, 24) = 0
[pid  5075] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5075] setpgid(0, 0)               = 0
[pid  5075] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5075] write(3, "1000", 4)         = 4
[pid  5075] close(3)                    = 0
[pid  5075] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY) = 3
[pid  5075] setns(201, 0)               = 0
[pid  5075] socket(AF_BLUETOOTH, SOCK_STREAM, BTPROTO_RFCOMM) = 4
[pid  5075] setns(3, 0)                 = 0
[pid  5075] close(3)                    = 0
[   75.386879][ T4467] Bluetooth: hci0: command 0x0409 tx timeout
[   77.466159][ T4467] Bluetooth: hci0: command 0x041b tx timeout
[pid  5075] connect(4, {sa_family=AF_BLUETOOTH, rc_bdaddr=aa:aa:aa:aa:aa:00, rc_channel=1}, 10 <unfinished ...>
[pid  5070] kill(-3, SIGKILL)           = 0
[pid  5070] kill(3, SIGKILL)            = 0
[pid  5075] <... connect resumed>)      = ?
[pid  5075] +++ killed by SIGKILL +++
[pid  5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=3, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=0} ---
[pid  5070] restart_syscall(<... resuming interrupted kill ...>) = 0
[pid  5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5076 attached
, child_tidptr=0x555557451690) = 4
[pid  5076] set_robust_list(0x5555574516a0, 24) = 0
[pid  5076] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5076] setpgid(0, 0)               = 0
[pid  5076] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5076] write(3, "1000", 4)         = 4
[pid  5076] close(3)                    = 0
[pid  5076] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY) = 3
[pid  5076] setns(201, 0)               = 0
[pid  5076] socket(AF_BLUETOOTH, SOCK_STREAM, BTPROTO_RFCOMM) = 4
[pid  5076] setns(3, 0)                 = 0
[pid  5076] close(3)                    = 0
[   79.546162][ T4467] Bluetooth: hci0: command 0x040f tx timeout
[   81.626186][ T4467] Bluetooth: hci0: command 0x0419 tx timeout
[   83.706162][ T4467] Bluetooth: hci0: command 0x0405 tx timeout
[pid  5076] connect(4, {sa_family=AF_BLUETOOTH, rc_bdaddr=aa:aa:aa:aa:aa:00, rc_channel=1}, 10 <unfinished ...>
[pid  5070] kill(-4, SIGKILL <unfinished ...>
[pid  5076] <... connect resumed>)      = ?
[pid  5070] <... kill resumed>)         = 0
[pid  5070] kill(4, SIGKILL)            = 0
[pid  5076] +++ killed by SIGKILL +++
[pid  5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=4, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=0} ---
[pid  5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5077 attached
, child_tidptr=0x555557451690) = 5
[pid  5077] set_robust_list(0x5555574516a0, 24) = 0
[pid  5077] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5077] setpgid(0, 0)               = 0
[pid  5077] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5077] write(3, "1000", 4)         = 4
[pid  5077] close(3)                    = 0
[pid  5077] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY) = 3
[pid  5077] setns(201, 0)               = 0
[pid  5077] socket(AF_BLUETOOTH, SOCK_STREAM, BTPROTO_RFCOMM) = 4
[pid  5077] setns(3, 0)                 = 0
[pid  5077] close(3)                    = 0
[   87.067996][   T23] cfg80211: failed to load regulatory.db
[pid  5077] connect(4, {sa_family=AF_BLUETOOTH, rc_bdaddr=aa:aa:aa:aa:aa:00, rc_channel=1}, 10 <unfinished ...>
[pid  5070] kill(-5, SIGKILL <unfinished ...>
[pid  5077] <... connect resumed>)      = ?
[pid  5070] <... kill resumed>)         = 0
[pid  5070] kill(5, SIGKILL)            = 0
[pid  5077] +++ killed by SIGKILL +++
[pid  5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=0} ---
[pid  5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5079 attached
, child_tidptr=0x555557451690) = 6
[pid  5079] set_robust_list(0x5555574516a0, 24) = 0
[pid  5079] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5079] setpgid(0, 0)               = 0
[pid  5079] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5079] write(3, "1000", 4)         = 4
[pid  5079] close(3)                    = 0
[pid  5079] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY) = 3
[pid  5079] setns(201, 0)               = 0
[pid  5079] socket(AF_BLUETOOTH, SOCK_STREAM, BTPROTO_RFCOMM) = 4
[pid  5079] setns(3, 0)                 = 0
[pid  5079] close(3)                    = 0
[pid  5079] connect(4, {sa_family=AF_BLUETOOTH, rc_bdaddr=aa:aa:aa:aa:aa:00, rc_channel=1}, 10 <unfinished ...>
[pid  5070] kill(-6, SIGKILL <unfinished ...>
[pid  5079] <... connect resumed>)      = ?
[pid  5070] <... kill resumed>)         = 0
[pid  5070] kill(6, SIGKILL)            = 0
[pid  5079] +++ killed by SIGKILL +++
[pid  5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=0} ---
[pid  5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555557451690) = 7
./strace-static-x86_64: Process 5082 attached
[pid  5082] set_robust_list(0x5555574516a0, 24) = 0
[pid  5082] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5082] setpgid(0, 0)               = 0
[pid  5082] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5082] write(3, "1000", 4)         = 4
[pid  5082] close(3)                    = 0
[pid  5082] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY) = 3
[pid  5082] setns(201, 0)               = 0
[pid  5082] socket(AF_BLUETOOTH, SOCK_STREAM, BTPROTO_RFCOMM) = 4
[pid  5082] setns(3, 0)                 = 0
[pid  5082] close(3)                    = 0
[pid  5082] connect(4, {sa_family=AF_BLUETOOTH, rc_bdaddr=aa:aa:aa:aa:aa:00, rc_channel=1}, 10 <unfinished ...>
[pid  5070] kill(-7, SIGKILL <unfinished ...>
[pid  5082] <... connect resumed>)      = ?
[pid  5070] <... kill resumed>)         = 0
[pid  5070] kill(7, SIGKILL)            = 0
[pid  5082] +++ killed by SIGKILL +++
[pid  5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=0} ---
[pid  5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555557451690) = 8
./strace-static-x86_64: Process 5084 attached
[pid  5084] set_robust_list(0x5555574516a0, 24) = 0
[pid  5084] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5084] setpgid(0, 0)               = 0
[pid  5084] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5084] write(3, "1000", 4)         = 4
[pid  5084] close(3)                    = 0
[pid  5084] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY) = 3
[pid  5084] setns(201, 0)               = 0
[pid  5084] socket(AF_BLUETOOTH, SOCK_STREAM, BTPROTO_RFCOMM) = 4
[pid  5084] setns(3, 0)                 = 0
[pid  5084] close(3)                    = 0
[pid  5084] connect(4, {sa_family=AF_BLUETOOTH, rc_bdaddr=aa:aa:aa:aa:aa:00, rc_channel=1}, 10 <unfinished ...>
[pid  5070] kill(-8, SIGKILL <unfinished ...>
[pid  5084] <... connect resumed>)      = ?
[pid  5070] <... kill resumed>)         = 0
[pid  5070] kill(8, SIGKILL)            = 0
[pid  5084] +++ killed by SIGKILL +++
[pid  5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=8, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=0} ---
[pid  5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555557451690) = 9
./strace-static-x86_64: Process 5087 attached
[pid  5087] set_robust_list(0x5555574516a0, 24) = 0
[pid  5087] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5087] setpgid(0, 0)               = 0
[pid  5087] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5087] write(3, "1000", 4)         = 4
[pid  5087] close(3)                    = 0
[pid  5087] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY) = 3
[pid  5087] setns(201, 0)               = 0
[pid  5087] socket(AF_BLUETOOTH, SOCK_STREAM, BTPROTO_RFCOMM) = 4
[pid  5087] setns(3, 0)                 = 0
[pid  5087] close(3)                    = 0
[pid  5087] connect(4, {sa_family=AF_BLUETOOTH, rc_bdaddr=aa:aa:aa:aa:aa:00, rc_channel=1}, 10 <unfinished ...>
[pid  5070] kill(-9, SIGKILL <unfinished ...>
[pid  5087] <... connect resumed>)      = ?
[pid  5070] <... kill resumed>)         = 0
[pid  5070] kill(9, SIGKILL)            = 0
[pid  5087] +++ killed by SIGKILL +++
[pid  5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=9, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=0} ---
[pid  5070] restart_syscall(<... resuming interrupted kill ...>) = 0
[pid  5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5095 attached
, child_tidptr=0x555557451690) = 10
[pid  5095] set_robust_list(0x5555574516a0, 24) = 0
[pid  5095] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5095] setpgid(0, 0)               = 0
[pid  5095] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5095] write(3, "1000", 4)         = 4
[pid  5095] close(3)                    = 0
[pid  5095] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY) = 3
[pid  5095] setns(201, 0)               = 0
[pid  5095] socket(AF_BLUETOOTH, SOCK_STREAM, BTPROTO_RFCOMM) = 4
[pid  5095] setns(3, 0)                 = 0
[pid  5095] close(3)                    = 0
[pid  5095] connect(4, {sa_family=AF_BLUETOOTH, rc_bdaddr=aa:aa:aa:aa:aa:00, rc_channel=1}, 10 <unfinished ...>
[pid  5070] kill(-10, SIGKILL)          = 0
[pid  5095] <... connect resumed>)      = ?
[pid  5070] kill(10, SIGKILL)           = 0
[pid  5095] +++ killed by SIGKILL +++
[pid  5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=10, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=0} ---
[pid  5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5098 attached
, child_tidptr=0x555557451690) = 11
[pid  5098] set_robust_list(0x5555574516a0, 24) = 0
[pid  5098] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5098] setpgid(0, 0)               = 0
[pid  5098] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5098] write(3, "1000", 4)         = 4
[pid  5098] close(3)                    = 0
[pid  5098] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY) = 3
[pid  5098] setns(201, 0)               = 0
[pid  5098] socket(AF_BLUETOOTH, SOCK_STREAM, BTPROTO_RFCOMM) = 4
[pid  5098] setns(3, 0)                 = 0
[pid  5098] close(3)                    = 0
[  116.026171][ T4467] Bluetooth: hci0: command 0x0405 tx timeout
[pid  5098] connect(4, {sa_family=AF_BLUETOOTH, rc_bdaddr=aa:aa:aa:aa:aa:00, rc_channel=1}, 10 <unfinished ...>
[pid  5070] kill(-11, SIGKILL <unfinished ...>
[pid  5098] <... connect resumed>)      = ?
[pid  5070] <... kill resumed>)         = 0
[pid  5098] +++ killed by SIGKILL +++
[pid  5070] kill(11, SIGKILL)           = 0
[pid  5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=11, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=0} ---
[pid  5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5100 attached
 <unfinished ...>
[pid  5100] set_robust_list(0x5555574516a0, 24) = 0
[pid  5100] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5100] setpgid(0, 0)               = 0
[pid  5100] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5070] <... clone resumed>, child_tidptr=0x555557451690) = 12
[pid  5100] <... openat resumed>)       = 3
[pid  5100] write(3, "1000", 4)         = 4
[pid  5100] close(3)                    = 0
[pid  5100] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY) = 3
[pid  5100] setns(201, 0)               = 0
[pid  5100] socket(AF_BLUETOOTH, SOCK_STREAM, BTPROTO_RFCOMM) = 4
[pid  5100] setns(3, 0)                 = 0
[pid  5100] close(3)                    = 0
[pid  5100] connect(4, {sa_family=AF_BLUETOOTH, rc_bdaddr=aa:aa:aa:aa:aa:00, rc_channel=1}, 10 <unfinished ...>
[pid  5070] kill(-12, SIGKILL)          = 0
[pid  5100] <... connect resumed>)      = ?
[pid  5070] kill(12, SIGKILL)           = 0
[pid  5100] +++ killed by SIGKILL +++
[pid  5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=12, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=0} ---
[pid  5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5102 attached
, child_tidptr=0x555557451690) = 13
[pid  5102] set_robust_list(0x5555574516a0, 24) = 0
[pid  5102] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5102] setpgid(0, 0)               = 0
[pid  5102] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5102] write(3, "1000", 4)         = 4
[pid  5102] close(3)                    = 0
[pid  5102] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY) = 3
[pid  5102] setns(201, 0)               = 0
[pid  5102] socket(AF_BLUETOOTH, SOCK_STREAM, BTPROTO_RFCOMM) = 4
[pid  5102] setns(3, 0)                 = 0
[pid  5102] close(3)                    = 0
[pid  5102] connect(4, {sa_family=AF_BLUETOOTH, rc_bdaddr=aa:aa:aa:aa:aa:00, rc_channel=1}, 10 <unfinished ...>
[pid  5070] kill(-13, SIGKILL <unfinished ...>
[pid  5102] <... connect resumed>)      = ?
[pid  5070] <... kill resumed>)         = 0
[pid  5070] kill(13, SIGKILL <unfinished ...>
[pid  5102] +++ killed by SIGKILL +++
[pid  5070] <... kill resumed>)         = 0
[pid  5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=13, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=0} ---
[pid  5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5103 attached
 <unfinished ...>
[pid  5103] set_robust_list(0x5555574516a0, 24) = 0
[pid  5103] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5070] <... clone resumed>, child_tidptr=0x555557451690) = 14
[pid  5103] <... prctl resumed>)        = 0
[pid  5103] setpgid(0, 0)               = 0
[pid  5103] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5103] write(3, "1000", 4)         = 4
[pid  5103] close(3)                    = 0
[pid  5103] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY) = 3
[pid  5103] setns(201, 0)               = 0
[pid  5103] socket(AF_BLUETOOTH, SOCK_STREAM, BTPROTO_RFCOMM) = 4
[pid  5103] setns(3, 0)                 = 0
[pid  5103] close(3)                    = 0
[pid  5103] connect(4, {sa_family=AF_BLUETOOTH, rc_bdaddr=aa:aa:aa:aa:aa:00, rc_channel=1}, 10 <unfinished ...>
[pid  5070] kill(-14, SIGKILL)          = 0
[pid  5103] <... connect resumed>)      = ?
[pid  5070] kill(14, SIGKILL)           = 0
[pid  5103] +++ killed by SIGKILL +++
[pid  5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=14, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=0} ---
[pid  5070] restart_syscall(<... resuming interrupted kill ...>) = 0
[pid  5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5104 attached
, child_tidptr=0x555557451690) = 15
[pid  5104] set_robust_list(0x5555574516a0, 24) = 0
[pid  5104] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5104] setpgid(0, 0)               = 0
[pid  5104] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5104] write(3, "1000", 4)         = 4
[pid  5104] close(3)                    = 0
[pid  5104] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY) = 3
[pid  5104] setns(201, 0)               = 0
[pid  5104] socket(AF_BLUETOOTH, SOCK_STREAM, BTPROTO_RFCOMM) = 4
[pid  5104] setns(3, 0)                 = 0
[pid  5104] close(3)                    = 0
[pid  5104] connect(4, {sa_family=AF_BLUETOOTH, rc_bdaddr=aa:aa:aa:aa:aa:00, rc_channel=1}, 10 <unfinished ...>
[pid  5070] kill(-15, SIGKILL <unfinished ...>
[pid  5104] <... connect resumed>)      = ?
[pid  5070] <... kill resumed>)         = 0
[pid  5070] kill(15, SIGKILL <unfinished ...>
[pid  5104] +++ killed by SIGKILL +++
[pid  5070] <... kill resumed>)         = 0
[pid  5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=15, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=0} ---
[pid  5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5105 attached
 <unfinished ...>
[pid  5105] set_robust_list(0x5555574516a0, 24) = 0
[pid  5070] <... clone resumed>, child_tidptr=0x555557451690) = 16
[pid  5105] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5105] setpgid(0, 0)               = 0
[pid  5105] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5105] write(3, "1000", 4)         = 4
[pid  5105] close(3)                    = 0
[pid  5105] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY) = 3
[pid  5105] setns(201, 0)               = 0
[pid  5105] socket(AF_BLUETOOTH, SOCK_STREAM, BTPROTO_RFCOMM) = 4
[pid  5105] setns(3, 0)                 = 0
[pid  5105] close(3)                    = 0
[pid  5105] connect(4, {sa_family=AF_BLUETOOTH, rc_bdaddr=aa:aa:aa:aa:aa:00, rc_channel=1}, 10 <unfinished ...>
[pid  5070] kill(-16, SIGKILL <unfinished ...>
[pid  5105] <... connect resumed>)      = ?
[pid  5070] <... kill resumed>)         = 0
[pid  5070] kill(16, SIGKILL)           = 0
[pid  5105] +++ killed by SIGKILL +++
[pid  5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=16, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=0} ---
[pid  5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555557451690) = 17
./strace-static-x86_64: Process 5106 attached
[pid  5106] set_robust_list(0x5555574516a0, 24) = 0
[pid  5106] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5106] setpgid(0, 0)               = 0
[pid  5106] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5106] write(3, "1000", 4)         = 4
[pid  5106] close(3)                    = 0
[pid  5106] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY) = 3
[pid  5106] setns(201, 0)               = 0
[pid  5106] socket(AF_BLUETOOTH, SOCK_STREAM, BTPROTO_RFCOMM) = 4
[pid  5106] setns(3, 0)                 = 0
[pid  5106] close(3)                    = 0
[pid  5106] connect(4, {sa_family=AF_BLUETOOTH, rc_bdaddr=aa:aa:aa:aa:aa:00, rc_channel=1}, 10 <unfinished ...>
[pid  5070] kill(-17, SIGKILL)          = 0
[pid  5106] <... connect resumed>)      = ?
[pid  5070] kill(17, SIGKILL)           = 0
[pid  5106] +++ killed by SIGKILL +++
[pid  5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=17, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=0} ---
[pid  5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555557451690) = 18
./strace-static-x86_64: Process 5107 attached
[pid  5107] set_robust_list(0x5555574516a0, 24) = 0
[pid  5107] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5107] setpgid(0, 0)               = 0
[pid  5107] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5107] write(3, "1000", 4)         = 4
[pid  5107] close(3)                    = 0
[pid  5107] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY) = 3
[pid  5107] setns(201, 0)               = 0
[pid  5107] socket(AF_BLUETOOTH, SOCK_STREAM, BTPROTO_RFCOMM) = 4
[pid  5107] setns(3, 0)                 = 0
[pid  5107] close(3)                    = 0
[pid  5107] connect(4, {sa_family=AF_BLUETOOTH, rc_bdaddr=aa:aa:aa:aa:aa:00, rc_channel=1}, 10 <unfinished ...>
[pid  5070] kill(-18, SIGKILL)          = 0
[pid  5107] <... connect resumed>)      = ?
[pid  5070] kill(18, SIGKILL)           = 0
[pid  5107] +++ killed by SIGKILL +++
[pid  5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=18, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=0} ---
[pid  5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5108 attached
 <unfinished ...>
[pid  5108] set_robust_list(0x5555574516a0, 24) = 0
[pid  5108] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5070] <... clone resumed>, child_tidptr=0x555557451690) = 19
[pid  5108] <... prctl resumed>)        = 0
[pid  5108] setpgid(0, 0)               = 0
[pid  5108] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5108] write(3, "1000", 4)         = 4
[pid  5108] close(3)                    = 0
[pid  5108] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY) = 3
[pid  5108] setns(201, 0)               = 0
[pid  5108] socket(AF_BLUETOOTH, SOCK_STREAM, BTPROTO_RFCOMM) = 4
[pid  5108] setns(3, 0)                 = 0
[pid  5108] close(3)                    = 0
[pid  5108] connect(4, {sa_family=AF_BLUETOOTH, rc_bdaddr=aa:aa:aa:aa:aa:00, rc_channel=1}, 10) = -1 ECONNREFUSED (Connection refused)
[pid  5108] getsockopt(-1, SOL_IPV6, IPV6_FLOWLABEL_MGR, 0x20000100, NULL) = -1 EBADF (Bad file descriptor)
[pid  5108] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY) = 3
[pid  5108] setns(201, 0)               = 0
[pid  5108] socket(AF_BLUETOOTH, SOCK_RAW, BTPROTO_RFCOMM) = 5
[pid  5108] setns(3, 0)                 = 0
[pid  5108] close(3)                    = 0
[  154.292659][ T5108] 
[  154.295014][ T5108] ======================================================
[  154.302014][ T5108] WARNING: possible circular locking dependency detected
[  154.309015][ T5108] 6.6.0-syzkaller-15859-g89cdf9d55601 #0 Not tainted
[  154.315663][ T5108] ------------------------------------------------------
[  154.322661][ T5108] syz-executor910/5108 is trying to acquire lock:
[  154.329050][ T5108] ffffffff8ed39b08 (rfcomm_mutex){+.+.}-{3:3}, at: rfcomm_dlc_exists+0x5b/0x190
[  154.338159][ T5108] 
[  154.338159][ T5108] but task is already holding lock:
[  154.345514][ T5108] ffffffff8ed3ea88 (rfcomm_ioctl_mutex){+.+.}-{3:3}, at: rfcomm_dev_ioctl+0x8b9/0x1c50
[  154.355160][ T5108] 
[  154.355160][ T5108] which lock already depends on the new lock.
[  154.355160][ T5108] 
[  154.365546][ T5108] 
[  154.365546][ T5108] the existing dependency chain (in reverse order) is:
[  154.374544][ T5108] 
[  154.374544][ T5108] -> #3 (rfcomm_ioctl_mutex){+.+.}-{3:3}:
[  154.382431][ T5108]        __mutex_lock+0x175/0x9d0
[  154.387449][ T5108]        rfcomm_dev_ioctl+0x8b9/0x1c50
[  154.392910][ T5108]        rfcomm_sock_ioctl+0xb0/0xe0
[  154.398185][ T5108]        sock_do_ioctl+0x113/0x270
[  154.403289][ T5108]        sock_ioctl+0x22e/0x6b0
[  154.408131][ T5108]        __x64_sys_ioctl+0x18f/0x210
[  154.413412][ T5108]        do_syscall_64+0x40/0x110
[  154.418454][ T5108]        entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  154.424903][ T5108] 
[  154.424903][ T5108] -> #2 (sk_lock-AF_BLUETOOTH-BTPROTO_RFCOMM){+.+.}-{0:0}:
[  154.434299][ T5108]        lock_sock_nested+0x3a/0xf0
[  154.439494][ T5108]        rfcomm_sk_state_change+0x6d/0x3a0
[  154.445301][ T5108]        __rfcomm_dlc_close+0x285/0x720
[  154.450829][ T5108]        rfcomm_dlc_close+0x1e7/0x240
[  154.456207][ T5108]        __rfcomm_sock_close+0xa7/0x230
[  154.461738][ T5108]        rfcomm_sock_shutdown+0xd1/0x230
[  154.467360][ T5108]        rfcomm_sock_release+0x5d/0x140
[  154.472933][ T5108]        __sock_release+0xae/0x260
[  154.478204][ T5108]        sock_close+0x1c/0x20
[  154.482863][ T5108]        __fput+0x270/0xbb0
[  154.487353][ T5108]        task_work_run+0x14d/0x240
[  154.492447][ T5108]        do_exit+0xa92/0x2ae0
[  154.497115][ T5108]        do_group_exit+0xd4/0x2a0
[  154.502133][ T5108]        get_signal+0x23be/0x2790
[  154.507147][ T5108]        arch_do_signal_or_restart+0x90/0x7f0
[  154.513208][ T5108]        exit_to_user_mode_prepare+0x121/0x240
[  154.519374][ T5108]        syscall_exit_to_user_mode+0x1e/0x60
[  154.525352][ T5108]        do_syscall_64+0x4d/0x110
[  154.530371][ T5108]        entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  154.536795][ T5108] 
[  154.536795][ T5108] -> #1 (&d->lock){+.+.}-{3:3}:
[  154.543810][ T5108]        __mutex_lock+0x175/0x9d0
[  154.548827][ T5108]        __rfcomm_dlc_close+0x231/0x720
[  154.554355][ T5108]        rfcomm_dlc_close+0x1e7/0x240
[  154.559708][ T5108]        __rfcomm_sock_close+0xa7/0x230
[  154.565233][ T5108]        rfcomm_sock_shutdown+0xd1/0x230
[  154.570847][ T5108]        rfcomm_sock_release+0x5d/0x140
[  154.576379][ T5108]        __sock_release+0xae/0x260
[  154.581479][ T5108]        sock_close+0x1c/0x20
[  154.586142][ T5108]        __fput+0x270/0xbb0
[  154.590628][ T5108]        task_work_run+0x14d/0x240
[  154.595719][ T5108]        do_exit+0xa92/0x2ae0
[  154.600381][ T5108]        do_group_exit+0xd4/0x2a0
[  154.605392][ T5108]        get_signal+0x23be/0x2790
[  154.610428][ T5108]        arch_do_signal_or_restart+0x90/0x7f0
[  154.616504][ T5108]        exit_to_user_mode_prepare+0x121/0x240
[  154.622646][ T5108]        syscall_exit_to_user_mode+0x1e/0x60
[  154.628720][ T5108]        do_syscall_64+0x4d/0x110
[  154.633731][ T5108]        entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  154.640138][ T5108] 
[  154.640138][ T5108] -> #0 (rfcomm_mutex){+.+.}-{3:3}:
[  154.647517][ T5108]        __lock_acquire+0x2464/0x3b10
[  154.652906][ T5108]        lock_acquire+0x1ae/0x520
[  154.657931][ T5108]        __mutex_lock+0x175/0x9d0
[  154.662955][ T5108]        rfcomm_dlc_exists+0x5b/0x190
[  154.668314][ T5108]        rfcomm_dev_ioctl+0x999/0x1c50
[  154.673760][ T5108]        rfcomm_sock_ioctl+0xb0/0xe0
[  154.679031][ T5108]        sock_do_ioctl+0x113/0x270
[  154.684126][ T5108]        sock_ioctl+0x22e/0x6b0
[  154.688964][ T5108]        __x64_sys_ioctl+0x18f/0x210
[  154.694238][ T5108]        do_syscall_64+0x40/0x110
[  154.699246][ T5108]        entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  154.705650][ T5108] 
[  154.705650][ T5108] other info that might help us debug this:
[  154.705650][ T5108] 
[  154.715870][ T5108] Chain exists of:
[  154.715870][ T5108]   rfcomm_mutex --> sk_lock-AF_BLUETOOTH-BTPROTO_RFCOMM --> rfcomm_ioctl_mutex
[  154.715870][ T5108] 
[  154.730622][ T5108]  Possible unsafe locking scenario:
[  154.730622][ T5108] 
[  154.738052][ T5108]        CPU0                    CPU1
[  154.743398][ T5108]        ----                    ----
[  154.748746][ T5108]   lock(rfcomm_ioctl_mutex);
[  154.753405][ T5108]                                lock(sk_lock-AF_BLUETOOTH-BTPROTO_RFCOMM);
[  154.762059][ T5108]                                lock(rfcomm_ioctl_mutex);
[  154.769253][ T5108]   lock(rfcomm_mutex);
[  154.773390][ T5108] 
[  154.773390][ T5108]  *** DEADLOCK ***
[  154.773390][ T5108] 
[  154.781515][ T5108] 2 locks held by syz-executor910/5108:
[  154.787038][ T5108]  #0: ffff88807ca89130 (sk_lock-AF_BLUETOOTH-BTPROTO_RFCOMM){+.+.}-{0:0}, at: rfcomm_sock_ioctl+0xa3/0xe0
[  154.798416][ T5108]  #1: ffffffff8ed3ea88 (rfcomm_ioctl_mutex){+.+.}-{3:3}, at: rfcomm_dev_ioctl+0x8b9/0x1c50
[  154.808495][ T5108] 
[  154.808495][ T5108] stack backtrace:
[  154.814363][ T5108] CPU: 0 PID: 5108 Comm: syz-executor910 Not tainted 6.6.0-syzkaller-15859-g89cdf9d55601 #0
[  154.824409][ T5108] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023
[  154.834446][ T5108] Call Trace:
[  154.837714][ T5108]  <TASK>
[  154.840626][ T5108]  dump_stack_lvl+0xd9/0x1b0
[  154.845202][ T5108]  check_noncircular+0x317/0x400
[  154.850136][ T5108]  ? print_circular_bug+0x5c0/0x5c0
[  154.855347][ T5108]  ? __kernel_text_address+0xd/0x30
[  154.860542][ T5108]  ? unwind_get_return_address+0x45/0xe0
[  154.866161][ T5108]  ? lockdep_lock+0xc6/0x200
[  154.870739][ T5108]  ? hlock_class+0x130/0x130
[  154.875315][ T5108]  __lock_acquire+0x2464/0x3b10
[  154.880159][ T5108]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  154.886130][ T5108]  ? add_lock_to_list+0x17d/0x380
[  154.891580][ T5108]  lock_acquire+0x1ae/0x520
[  154.896083][ T5108]  ? rfcomm_dlc_exists+0x5b/0x190
[  154.901091][ T5108]  ? lock_sync+0x190/0x190
[  154.905614][ T5108]  ? __mutex_trylock_common+0xeb/0x250
[  154.911080][ T5108]  ? preempt_count_sub+0x160/0x160
[  154.916173][ T5108]  ? mutex_is_locked+0x40/0x40
[  154.920922][ T5108]  __mutex_lock+0x175/0x9d0
[  154.925416][ T5108]  ? rfcomm_dlc_exists+0x5b/0x190
[  154.930423][ T5108]  ? aa_get_newest_label+0x376/0x680
[  154.935696][ T5108]  ? rfcomm_dlc_exists+0x5b/0x190
[  154.940702][ T5108]  ? mutex_trylock+0x130/0x130
[  154.945451][ T5108]  ? reacquire_held_locks+0x4c0/0x4c0
[  154.950827][ T5108]  ? apparmor_capable+0x126/0x1e0
[  154.955856][ T5108]  ? rfcomm_dlc_exists+0x5b/0x190
[  154.960862][ T5108]  rfcomm_dlc_exists+0x5b/0x190
[  154.965711][ T5108]  rfcomm_dev_ioctl+0x999/0x1c50
[  154.970637][ T5108]  ? rfcomm_dev_state_change+0x170/0x170
[  154.976254][ T5108]  ? reacquire_held_locks+0x4c0/0x4c0
[  154.981615][ T5108]  ? mark_held_locks+0x9f/0xe0
[  154.986368][ T5108]  ? __local_bh_enable_ip+0xa4/0x120
[  154.991636][ T5108]  rfcomm_sock_ioctl+0xb0/0xe0
[  154.996386][ T5108]  sock_do_ioctl+0x113/0x270
[  155.000967][ T5108]  ? put_user_ifreq+0x140/0x140
[  155.005803][ T5108]  ? do_vfs_ioctl+0x379/0x1920
[  155.010571][ T5108]  ? vfs_fileattr_set+0xbf0/0xbf0
[  155.015589][ T5108]  sock_ioctl+0x22e/0x6b0
[  155.019908][ T5108]  ? br_ioctl_call+0xb0/0xb0
[  155.024482][ T5108]  ? restore_fpregs_from_fpstate+0xc1/0x1d0
[  155.030375][ T5108]  ? bpf_lsm_file_ioctl+0x9/0x10
[  155.035314][ T5108]  ? br_ioctl_call+0xb0/0xb0
[  155.039900][ T5108]  __x64_sys_ioctl+0x18f/0x210
[  155.044660][ T5108]  do_syscall_64+0x40/0x110
[  155.049159][ T5108]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  155.055057][ T5108] RIP: 0033:0x7f2005dccd49
[  155.059488][ T5108] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 19 00 00 90 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
[  155.079088][ T5108] RSP: 002b:00007ffecd502fb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  155.087486][ T5108] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f2005dccd49
[pid  5108] ioctl(5, RFCOMMCREATEDEV, 0x20000100) = -1 ENFILE (Too many open files in system)
[pid  5108] close(3)                    = -1 EBADF (Bad file descriptor)
[pid  5108] close(4)                    = 0
[pid  5108] close(5)                    = 0
[pid  5108] close(6)                    = -1 EBADF (Bad file descriptor)
[pid  5108] close(7)                    = -1 EBADF (Bad file descriptor)
[pid  5108] close(8)                    = -1 EBADF (Bad file descriptor)
[pid  5108] close(9)                    = -1 EBADF (Bad file descriptor)
[pid  5108] close(10)                   = -1 EBADF (Bad file descriptor)
[pid  5108] close(11)                   = -1 EBADF (Bad file descriptor)
[pid  5108] close(12)                   = -1 EBADF (Bad file descriptor)
[pid  5108] close(13)                   = -1 EBADF (Bad file descriptor)
[pid  5108] close(14)                   = -1 EBADF (Bad file descriptor)
[pid  5108] close(15)                   = -1 EBADF (Bad file descriptor)
[pid  5108] close(16)                   = -1 EBADF (Bad file descriptor)
[pid  5108] close(17)                   = -1 EBADF (Bad file descriptor)
[pid  5108] close(18)                   = -1 EBADF (Bad file descriptor)
[pid  5108] close(19)                   = -1 EBADF (Bad file descriptor)
[  155.095445][ T5108] RDX: 0000000020000100 RSI: 00000000400452c8 RDI: 0000000000000005
[  155.103404][ T5108] RBP: 00000000000f4240 R08: 0000000000000000 R09: 0000555500000000
[  155.111360][ T5108] R10: 0000555500000000 R11: 0000000000000246 R12: 00007ffecd503000
[  155.119328][ T5108] R13: 00007ffecd503010 R14: 000000000002469a R15: 00007ffecd502fd0
[  155.127292][ T5108]  </TASK>
[pid  5108] close(20)                   = -1 EBADF (Bad file descriptor)
[pid  5108] close(21)                   = -1 EBADF (Bad file descriptor)
[pid  5108] close(22)                   = -1 EBADF (Bad file descriptor)
[pid  5108] close(23)                   = -1 EBADF (Bad file descriptor)
[pid  5108] close(24)                   = -1 EBADF (Bad file descriptor)
[pid  5108] close(25)                   = -1 EBADF (Bad file descriptor)
[pid  5108] close(26)                   = -1 EBADF (Bad file descriptor)
[pid  5108] close(27)                   = -1 EBADF (Bad file descriptor)
[pid  5108] close(28)                   = -1 EBADF (Bad file descriptor)
[pid  5108] close(29)                   = -1 EBADF (Bad file descriptor)
[pid  5108] exit_group(0)               = ?
[pid  5108] +++ exited with 0 +++
[pid  5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5109 attached
, child_tidptr=0x555557451690) = 20
[pid  5109] set_robust_list(0x5555574516a0, 24) = 0
[pid  5109] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5109] setpgid(0, 0)               = 0
[pid  5109] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5109] write(3, "1000", 4)         = 4
[pid  5109] close(3)                    = 0
[pid  5109] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY) = 3
[pid  5109] setns(201, 0)               = 0
[pid  5109] socket(AF_BLUETOOTH, SOCK_STREAM, BTPROTO_RFCOMM) = 4
[pid  5109] setns(3, 0)                 = 0
[pid  5109] close(3)                    = 0
[  157.306151][ T4467] Bluetooth: hci0: command 0x0405 tx timeout
[pid  5109] connect(4, {sa_family=AF_BLUETOOTH, rc_bdaddr=aa:aa:aa:aa:aa:00, rc_channel=1}, 10 <unfinished ...>
[pid  5070] kill(-20, SIGKILL)          = 0
[pid  5109] <... connect resumed>)      = ?
[pid  5109] +++ killed by SIGKILL +++
[pid  5070] kill(20, SIGKILL)           = 0
[pid  5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=20, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=0} ---
[pid  5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5110 attached
 <unfinished ...>
[pid  5110] set_robust_list(0x5555574516a0, 24) = 0
[pid  5110] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5110] setpgid(0, 0)               = 0
[pid  5070] <... clone resumed>, child_tidptr=0x555557451690) = 21
[pid  5110] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5110] write(3, "1000", 4)         = 4
[pid  5110] close(3)                    = 0
[pid  5110] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY) = 3
[pid  5110] setns(201, 0)               = 0
[pid  5110] socket(AF_BLUETOOTH, SOCK_STREAM, BTPROTO_RFCOMM) = 4
[pid  5110] setns(3, 0)                 = 0
[pid  5110] close(3)                    = 0