./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1569657884

<...>
Warning: Permanently added '10.128.1.21' (ED25519) to the list of known hosts.
execve("./syz-executor1569657884", ["./syz-executor1569657884"], 0x7ffc53081a70 /* 10 vars */) = 0
brk(NULL)                               = 0x555555f8d000
brk(0x555555f8dd40)                     = 0x555555f8dd40
arch_prctl(ARCH_SET_FS, 0x555555f8d3c0) = 0
set_tid_address(0x555555f8d690)         = 5055
set_robust_list(0x555555f8d6a0, 24)     = 0
rseq(0x555555f8dce0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor1569657884", 4096) = 28
getrandom("\xae\x8d\x23\xb3\x81\x69\xcd\x78", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x555555f8dd40
brk(0x555555faed40)                     = 0x555555faed40
brk(0x555555faf000)                     = 0x555555faf000
mprotect(0x7f8c696f5000, 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=0x555555f8d690) = 5056
./strace-static-x86_64: Process 5056 attached
[pid  5056] set_robust_list(0x555555f8d6a0, 24) = 0
[pid  5056] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid  5056] socket(AF_BLUETOOTH, SOCK_RAW, BTPROTO_HCI) = 3
[pid  5056] openat(AT_FDCWD, "/dev/vhci", O_RDWR) = 4
[pid  5056] dup2(4, 202)                = 202
[pid  5056] close(4)                    = 0
[pid  5056] write(202, "\xff\x00", 2)   = 2
[pid  5056] read(202, "\xff\x00\x00\x00", 4) = 4
[pid  5056] rt_sigaction(SIGRT_1, {sa_handler=0x7f8c69696d80, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8c69688400}, NULL, 8) = 0
[pid  5056] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5056] mmap(NULL, 8392704, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8c68e31000
[pid  5056] mprotect(0x7f8c68e32000, 8388608, PROT_READ|PROT_WRITE) = 0
[pid  5056] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5056] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8c69631990, parent_tid=0x7f8c69631990, exit_signal=0, stack=0x7f8c68e31000, stack_size=0x800300, tls=0x7f8c696316c0}./strace-static-x86_64: Process 5059 attached
 => {parent_tid=[2]}, 88) = 2
[pid  5056] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5056] ioctl(3, HCIDEVUP <unfinished ...>
[pid  5059] rseq(0x7f8c69631fe0, 0x20, 0, 0x53053053) = 0
[pid  5059] set_robust_list(0x7f8c696319a0, 24) = 0
[pid  5059] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5059] read(202, "\x01\x03\x0c\x00", 1024) = 4
[pid  5059] 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  5059] read(202, "\x01\x03\x10\x00", 1024) = 4
[pid  5059] 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  5059] read(202, "\x01\x01\x10\x00", 1024) = 4
[pid  5059] 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  5059] read(202, "\x01\x09\x10\x00", 1024) = 4
[pid  5059] 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  5059] read(202, "\x01\x05\x10\x00", 1024) = 4
[pid  5059] 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  5059] read(202, "\x01\x23\x0c\x00", 1024) = 4
[pid  5059] 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
[   71.018751][ T5057] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[   71.039050][ T5057] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[   71.056909][ T5057] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[pid  5059] read(202, "\x01\x14\x0c\x00", 1024) = 4
[pid  5059] 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  5059] read(202, "\x01\x25\x0c\x00", 1024) = 4
[pid  5059] 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  5059] read(202, "\x01\x38\x0c\x00", 1024) = 4
[   71.080578][ T5057] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[   71.120142][ T5057] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3
[pid  5059] 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  5059] read(202, "\x01\x39\x0c\x00", 1024) = 4
[pid  5059] 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  5059] read(202, "\x01\x16\x0c\x02\x00\x7d", 1024) = 6
[pid  5059] 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  5059] read(202,  <unfinished ...>
[pid  5056] <... ioctl resumed>, 0)     = -1 EALREADY (Operation already in progress)
[pid  5056] ioctl(3, HCISETSCAN <unfinished ...>
[pid  5059] <... read resumed>"\x01\x1a\x0c\x01\x02", 1024) = 5
[pid  5059] 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  5059] rt_sigprocmask(SIG_BLOCK, ~[RT_1],  <unfinished ...>
[pid  5056] <... ioctl resumed>, 0x7ffc72b883bc) = 0
[   71.141338][ T5057] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[pid  5056] 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  5059] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5059] madvise(0x7f8c68e31000, 8372224, MADV_DONTNEED <unfinished ...>
[pid  5056] <... writev resumed>)       = 13
[pid  5059] <... madvise resumed>)      = 0
[pid  5059] exit(0 <unfinished ...>
[pid  5056] 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  5059] <... exit resumed>)         = ?
[pid  5056] <... writev resumed>)       = 14
[pid  5059] +++ exited with 0 +++
[pid  5056] 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  5056] 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  5056] close(3)                    = 0
[pid  5056] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5056] setsid()                    = 1
[pid  5056] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY) = 3
[pid  5056] dup2(3, 201)                = 201
[pid  5056] close(3)                    = 0
[pid  5056] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0
[pid  5056] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0
[pid  5056] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0
[pid  5056] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0
[pid  5056] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0
[pid  5056] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0
[pid  5056] unshare(CLONE_NEWNS)        = 0
[pid  5056] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0
[pid  5056] unshare(CLONE_NEWIPC)       = 0
[pid  5056] unshare(CLONE_NEWCGROUP)    = 0
[pid  5056] unshare(CLONE_NEWUTS)       = 0
[pid  5056] unshare(CLONE_SYSVSEM)      = 0
[pid  5056] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3
[pid  5056] write(3, "16777216", 8)     = 8
[pid  5056] close(3)                    = 0
[pid  5056] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3
[pid  5056] write(3, "536870912", 9)    = 9
[pid  5056] close(3)                    = 0
[pid  5056] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3
[pid  5056] write(3, "1024", 4)         = 4
[pid  5056] close(3)                    = 0
[pid  5056] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3
[pid  5056] write(3, "8192", 4)         = 4
[pid  5056] close(3)                    = 0
[pid  5056] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3
[pid  5056] write(3, "1024", 4)         = 4
[pid  5056] close(3)                    = 0
[pid  5056] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3
[pid  5056] write(3, "1024", 4)         = 4
[pid  5056] close(3)                    = 0
[pid  5056] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3
[pid  5056] write(3, "1024 1048576 500 1024", 21) = 21
[pid  5056] close(3)                    = 0
[pid  5056] getpid()                    = 1
[pid  5056] 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  5056] 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  5056] unshare(CLONE_NEWNET)       = 0
[pid  5056] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3
[pid  5056] write(3, "0 65535", 7)      = 7
[pid  5056] close(3)                    = 0
[pid  5056] mkdir("/dev/binderfs", 0777) = 0
[pid  5056] mount("binder", "/dev/binderfs", "binder", 0, NULL) = 0
[pid  5056] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5056] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5061 attached
, child_tidptr=0x555555f8d690) = 3
[pid  5061] set_robust_list(0x555555f8d6a0, 24) = 0
[pid  5061] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5061] setpgid(0, 0)               = 0
[pid  5061] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5061] write(3, "1000", 4)         = 4
[pid  5061] close(3)                    = 0
[pid  5061] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY) = 3
[pid  5061] setns(201, 0)               = 0
[pid  5061] socket(AF_BLUETOOTH, SOCK_STREAM, BTPROTO_RFCOMM) = 4
[pid  5061] setns(3, 0)                 = 0
[pid  5061] close(3)                    = 0
[   73.304317][ T4463] Bluetooth: hci0: command 0x0409 tx timeout
[   75.383667][ T4463] Bluetooth: hci0: command 0x041b tx timeout
[pid  5061] connect(4, {sa_family=AF_BLUETOOTH, rc_bdaddr=ff:ff:ff:ff:ff:ff, rc_channel=2}, 10 <unfinished ...>
[pid  5056] kill(-3, SIGKILL <unfinished ...>
[pid  5061] <... connect resumed>)      = ?
[pid  5056] <... kill resumed>)         = 0
[pid  5061] +++ killed by SIGKILL +++
[pid  5056] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=3, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=0} ---
[pid  5056] kill(3, SIGKILL)            = 0
[pid  5056] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f8d690) = 4
./strace-static-x86_64: Process 5062 attached
[pid  5062] set_robust_list(0x555555f8d6a0, 24) = 0
[pid  5062] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5062] setpgid(0, 0)               = 0
[pid  5062] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5062] write(3, "1000", 4)         = 4
[pid  5062] close(3)                    = 0
[pid  5062] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY) = 3
[pid  5062] setns(201, 0)               = 0
[pid  5062] socket(AF_BLUETOOTH, SOCK_STREAM, BTPROTO_RFCOMM) = 4
[pid  5062] setns(3, 0)                 = 0
[pid  5062] close(3)                    = 0
[   77.453685][ T4463] Bluetooth: hci0: command 0x040f tx timeout
[   79.533697][ T4463] Bluetooth: hci0: command 0x0419 tx timeout
[pid  5062] connect(4, {sa_family=AF_BLUETOOTH, rc_bdaddr=ff:ff:ff:ff:ff:ff, rc_channel=2}, 10 <unfinished ...>
[pid  5056] kill(-4, SIGKILL)           = 0
[pid  5062] <... connect resumed>)      = ?
[pid  5056] kill(4, SIGKILL)            = 0
[pid  5062] +++ killed by SIGKILL +++
[pid  5056] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=4, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=0} ---
[pid  5056] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5063 attached
, child_tidptr=0x555555f8d690) = 5
[pid  5063] set_robust_list(0x555555f8d6a0, 24) = 0
[pid  5063] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5063] setpgid(0, 0)               = 0
[pid  5063] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5063] write(3, "1000", 4)         = 4
[pid  5063] close(3)                    = 0
[   81.623697][ T4463] Bluetooth: hci0: command 0x0405 tx timeout
[pid  5063] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY) = 3
[pid  5063] setns(201, 0)               = 0
[pid  5063] socket(AF_BLUETOOTH, SOCK_STREAM, BTPROTO_RFCOMM) = 4
[pid  5063] setns(3, 0)                 = 0
[pid  5063] close(3)                    = 0
[pid  5063] connect(4, {sa_family=AF_BLUETOOTH, rc_bdaddr=ff:ff:ff:ff:ff:ff, rc_channel=2}, 10 <unfinished ...>
[pid  5056] kill(-5, SIGKILL)           = 0
[pid  5063] <... connect resumed>)      = ?
[pid  5056] kill(5, SIGKILL)            = 0
[pid  5063] +++ killed by SIGKILL +++
[pid  5056] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=0} ---
[pid  5056] restart_syscall(<... resuming interrupted kill ...>) = 0
[pid  5056] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5064 attached
 <unfinished ...>
[pid  5064] set_robust_list(0x555555f8d6a0, 24) = 0
[pid  5056] <... clone resumed>, child_tidptr=0x555555f8d690) = 6
[pid  5064] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5064] setpgid(0, 0)               = 0
[pid  5064] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5064] write(3, "1000", 4)         = 4
[pid  5064] close(3)                    = 0
[pid  5064] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY) = 3
[pid  5064] setns(201, 0)               = 0
[pid  5064] socket(AF_BLUETOOTH, SOCK_STREAM, BTPROTO_RFCOMM) = 4
[pid  5064] setns(3, 0)                 = 0
[pid  5064] close(3)                    = 0
[   86.895604][ T1138] cfg80211: failed to load regulatory.db
[pid  5064] connect(4, {sa_family=AF_BLUETOOTH, rc_bdaddr=ff:ff:ff:ff:ff:ff, rc_channel=2}, 10 <unfinished ...>
[pid  5056] kill(-6, SIGKILL <unfinished ...>
[pid  5064] <... connect resumed>)      = ?
[pid  5056] <... kill resumed>)         = 0
[pid  5056] kill(6, SIGKILL)            = 0
[pid  5064] +++ killed by SIGKILL +++
[pid  5056] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=0} ---
[pid  5056] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5067 attached
 <unfinished ...>
[pid  5067] set_robust_list(0x555555f8d6a0, 24) = 0
[pid  5067] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5056] <... clone resumed>, child_tidptr=0x555555f8d690) = 7
[pid  5067] <... prctl resumed>)        = 0
[pid  5067] setpgid(0, 0)               = 0
[pid  5067] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5067] write(3, "1000", 4)         = 4
[pid  5067] close(3)                    = 0
[pid  5067] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY) = 3
[pid  5067] setns(201, 0)               = 0
[pid  5067] socket(AF_BLUETOOTH, SOCK_STREAM, BTPROTO_RFCOMM) = 4
[pid  5067] setns(3, 0)                 = 0
[pid  5067] close(3)                    = 0
[pid  5067] connect(4, {sa_family=AF_BLUETOOTH, rc_bdaddr=ff:ff:ff:ff:ff:ff, rc_channel=2}, 10 <unfinished ...>
[pid  5056] kill(-7, SIGKILL <unfinished ...>
[pid  5067] <... connect resumed>)      = ?
[pid  5056] <... kill resumed>)         = 0
[pid  5056] kill(7, SIGKILL)            = 0
[pid  5067] +++ killed by SIGKILL +++
[pid  5056] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5056] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f8d690) = 8
./strace-static-x86_64: Process 5070 attached
[pid  5070] set_robust_list(0x555555f8d6a0, 24) = 0
[pid  5070] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5070] setpgid(0, 0)               = 0
[pid  5070] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5070] write(3, "1000", 4)         = 4
[pid  5070] close(3)                    = 0
[pid  5070] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY) = 3
[pid  5070] setns(201, 0)               = 0
[pid  5070] socket(AF_BLUETOOTH, SOCK_STREAM, BTPROTO_RFCOMM) = 4
[pid  5070] setns(3, 0)                 = 0
[pid  5070] close(3)                    = 0
[pid  5070] connect(4, {sa_family=AF_BLUETOOTH, rc_bdaddr=ff:ff:ff:ff:ff:ff, rc_channel=2}, 10 <unfinished ...>
[pid  5056] kill(-8, SIGKILL <unfinished ...>
[pid  5070] <... connect resumed>)      = ?
[pid  5056] <... kill resumed>)         = 0
[pid  5056] kill(8, SIGKILL)            = 0
[pid  5070] +++ killed by SIGKILL +++
[pid  5056] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=8, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=0} ---
[pid  5056] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f8d690) = 9
./strace-static-x86_64: Process 5072 attached
[pid  5072] set_robust_list(0x555555f8d6a0, 24) = 0
[pid  5072] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5072] setpgid(0, 0)               = 0
[pid  5072] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5072] write(3, "1000", 4)         = 4
[pid  5072] close(3)                    = 0
[pid  5072] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY) = 3
[pid  5072] setns(201, 0)               = 0
[pid  5072] socket(AF_BLUETOOTH, SOCK_STREAM, BTPROTO_RFCOMM) = 4
[pid  5072] setns(3, 0)                 = 0
[pid  5072] close(3)                    = 0
[pid  5072] connect(4, {sa_family=AF_BLUETOOTH, rc_bdaddr=ff:ff:ff:ff:ff:ff, rc_channel=2}, 10 <unfinished ...>
[pid  5056] kill(-9, SIGKILL <unfinished ...>
[pid  5072] <... connect resumed>)      = ?
[pid  5056] <... kill resumed>)         = 0
[pid  5056] kill(9, SIGKILL <unfinished ...>
[pid  5072] +++ killed by SIGKILL +++
[pid  5056] <... kill resumed>)         = 0
[pid  5056] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=9, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=0} ---
[pid  5056] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f8d690) = 10
./strace-static-x86_64: Process 5075 attached
[pid  5075] set_robust_list(0x555555f8d6a0, 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
[pid  5075] connect(4, {sa_family=AF_BLUETOOTH, rc_bdaddr=ff:ff:ff:ff:ff:ff, rc_channel=2}, 10 <unfinished ...>
[pid  5056] kill(-10, SIGKILL <unfinished ...>
[pid  5075] <... connect resumed>)      = ?
[pid  5056] <... kill resumed>)         = 0
[pid  5056] kill(10, SIGKILL)           = 0
[pid  5075] +++ killed by SIGKILL +++
[pid  5056] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=10, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=0} ---
[pid  5056] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5083 attached
, child_tidptr=0x555555f8d690) = 11
[pid  5083] set_robust_list(0x555555f8d6a0, 24) = 0
[pid  5083] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5083] setpgid(0, 0)               = 0
[pid  5083] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5083] write(3, "1000", 4)         = 4
[pid  5083] close(3)                    = 0
[pid  5083] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY) = 3
[pid  5083] setns(201, 0)               = 0
[pid  5083] socket(AF_BLUETOOTH, SOCK_STREAM, BTPROTO_RFCOMM) = 4
[pid  5083] setns(3, 0)                 = 0
[pid  5083] close(3)                    = 0
[  113.933695][ T5057] Bluetooth: hci0: command 0x0405 tx timeout
[pid  5083] connect(4, {sa_family=AF_BLUETOOTH, rc_bdaddr=ff:ff:ff:ff:ff:ff, rc_channel=2}, 10 <unfinished ...>
[pid  5056] kill(-11, SIGKILL)          = 0
[pid  5056] kill(11, SIGKILL <unfinished ...>
[pid  5083] <... connect resumed>)      = ?
[pid  5056] <... kill resumed>)         = 0
[pid  5083] +++ killed by SIGKILL +++
[pid  5056] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=11, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=0} ---
[pid  5056] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5086 attached
 <unfinished ...>
[pid  5086] set_robust_list(0x555555f8d6a0, 24) = 0
[pid  5086] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5086] setpgid(0, 0)               = 0
[pid  5086] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5056] <... clone resumed>, child_tidptr=0x555555f8d690) = 12
[pid  5086] <... openat resumed>)       = 3
[pid  5086] write(3, "1000", 4)         = 4
[pid  5086] close(3)                    = 0
[pid  5086] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY) = 3
[pid  5086] setns(201, 0)               = 0
[pid  5086] socket(AF_BLUETOOTH, SOCK_STREAM, BTPROTO_RFCOMM) = 4
[pid  5086] setns(3, 0)                 = 0
[pid  5086] close(3)                    = 0
[pid  5086] connect(4, {sa_family=AF_BLUETOOTH, rc_bdaddr=ff:ff:ff:ff:ff:ff, rc_channel=2}, 10 <unfinished ...>
[pid  5056] kill(-12, SIGKILL)          = 0
[pid  5086] <... connect resumed>)      = ?
[pid  5056] kill(12, SIGKILL)           = 0
[pid  5086] +++ killed by SIGKILL +++
[pid  5056] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=12, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=0} ---
[pid  5056] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5088 attached
 <unfinished ...>
[pid  5088] set_robust_list(0x555555f8d6a0, 24) = 0
[pid  5056] <... clone resumed>, child_tidptr=0x555555f8d690) = 13
[pid  5088] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5088] setpgid(0, 0)               = 0
[pid  5088] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5088] write(3, "1000", 4)         = 4
[pid  5088] close(3)                    = 0
[pid  5088] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY) = 3
[pid  5088] setns(201, 0)               = 0
[pid  5088] socket(AF_BLUETOOTH, SOCK_STREAM, BTPROTO_RFCOMM) = 4
[pid  5088] setns(3, 0)                 = 0
[pid  5088] close(3)                    = 0
[pid  5088] connect(4, {sa_family=AF_BLUETOOTH, rc_bdaddr=ff:ff:ff:ff:ff:ff, rc_channel=2}, 10 <unfinished ...>
[pid  5056] kill(-13, SIGKILL <unfinished ...>
[pid  5088] <... connect resumed>)      = ?
[pid  5056] <... kill resumed>)         = 0
[pid  5088] +++ killed by SIGKILL +++
[pid  5056] kill(13, SIGKILL)           = 0
[pid  5056] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=13, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=0} ---
[pid  5056] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5089 attached
 <unfinished ...>
[pid  5089] set_robust_list(0x555555f8d6a0, 24) = 0
[pid  5089] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5089] setpgid(0, 0)               = 0
[pid  5089] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5056] <... clone resumed>, child_tidptr=0x555555f8d690) = 14
[pid  5089] <... openat resumed>)       = 3
[pid  5089] write(3, "1000", 4)         = 4
[pid  5089] close(3)                    = 0
[pid  5089] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY) = 3
[pid  5089] setns(201, 0)               = 0
[pid  5089] socket(AF_BLUETOOTH, SOCK_STREAM, BTPROTO_RFCOMM) = 4
[pid  5089] setns(3, 0)                 = 0
[pid  5089] close(3)                    = 0
[pid  5089] connect(4, {sa_family=AF_BLUETOOTH, rc_bdaddr=ff:ff:ff:ff:ff:ff, rc_channel=2}, 10 <unfinished ...>
[pid  5056] kill(-14, SIGKILL)          = 0
[pid  5089] <... connect resumed>)      = ?
[pid  5056] kill(14, SIGKILL)           = 0
[pid  5089] +++ killed by SIGKILL +++
[pid  5056] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=14, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=0} ---
[pid  5056] restart_syscall(<... resuming interrupted kill ...>) = 0
[pid  5056] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5090 attached
, child_tidptr=0x555555f8d690) = 15
[pid  5090] set_robust_list(0x555555f8d6a0, 24) = 0
[pid  5090] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5090] setpgid(0, 0)               = 0
[pid  5090] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5090] write(3, "1000", 4)         = 4
[pid  5090] close(3)                    = 0
[pid  5090] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY) = 3
[pid  5090] setns(201, 0)               = 0
[pid  5090] socket(AF_BLUETOOTH, SOCK_STREAM, BTPROTO_RFCOMM) = 4
[pid  5090] setns(3, 0)                 = 0
[pid  5090] close(3)                    = 0
[pid  5090] connect(4, {sa_family=AF_BLUETOOTH, rc_bdaddr=ff:ff:ff:ff:ff:ff, rc_channel=2}, 10 <unfinished ...>
[pid  5056] kill(-15, SIGKILL)          = 0
[pid  5090] <... connect resumed>)      = ?
[pid  5056] kill(15, SIGKILL)           = 0
[pid  5090] +++ killed by SIGKILL +++
[pid  5056] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=15, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=0} ---
[pid  5056] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5091 attached
, child_tidptr=0x555555f8d690) = 16
[pid  5091] set_robust_list(0x555555f8d6a0, 24) = 0
[pid  5091] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5091] setpgid(0, 0)               = 0
[pid  5091] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5091] write(3, "1000", 4)         = 4
[pid  5091] close(3)                    = 0
[pid  5091] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY) = 3
[pid  5091] setns(201, 0)               = 0
[pid  5091] socket(AF_BLUETOOTH, SOCK_STREAM, BTPROTO_RFCOMM) = 4
[pid  5091] setns(3, 0)                 = 0
[pid  5091] close(3)                    = 0
[pid  5091] connect(4, {sa_family=AF_BLUETOOTH, rc_bdaddr=ff:ff:ff:ff:ff:ff, rc_channel=2}, 10 <unfinished ...>
[pid  5056] kill(-16, SIGKILL <unfinished ...>
[pid  5091] <... connect resumed>)      = ?
[pid  5056] <... kill resumed>)         = 0
[pid  5056] kill(16, SIGKILL <unfinished ...>
[pid  5091] +++ killed by SIGKILL +++
[pid  5056] <... kill resumed>)         = 0
[pid  5056] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=16, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=0} ---
[pid  5056] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5092 attached
 <unfinished ...>
[pid  5092] set_robust_list(0x555555f8d6a0, 24) = 0
[pid  5092] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5092] setpgid(0, 0)               = 0
[pid  5092] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5056] <... clone resumed>, child_tidptr=0x555555f8d690) = 17
[pid  5092] <... openat resumed>)       = 3
[pid  5092] write(3, "1000", 4)         = 4
[pid  5092] close(3)                    = 0
[pid  5092] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY) = 3
[pid  5092] setns(201, 0)               = 0
[pid  5092] socket(AF_BLUETOOTH, SOCK_STREAM, BTPROTO_RFCOMM) = 4
[pid  5092] setns(3, 0)                 = 0
[pid  5092] close(3)                    = 0
[pid  5092] connect(4, {sa_family=AF_BLUETOOTH, rc_bdaddr=ff:ff:ff:ff:ff:ff, rc_channel=2}, 10 <unfinished ...>
[pid  5056] kill(-17, SIGKILL <unfinished ...>
[pid  5092] <... connect resumed>)      = ?
[pid  5056] <... kill resumed>)         = 0
[pid  5056] kill(17, SIGKILL)           = 0
[pid  5092] +++ killed by SIGKILL +++
[pid  5056] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=17, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5056] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5093 attached
, child_tidptr=0x555555f8d690) = 18
[pid  5093] set_robust_list(0x555555f8d6a0, 24) = 0
[pid  5093] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5093] setpgid(0, 0)               = 0
[pid  5093] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5093] write(3, "1000", 4)         = 4
[pid  5093] close(3)                    = 0
[pid  5093] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY) = 3
[pid  5093] setns(201, 0)               = 0
[pid  5093] socket(AF_BLUETOOTH, SOCK_STREAM, BTPROTO_RFCOMM) = 4
[pid  5093] setns(3, 0)                 = 0
[pid  5093] close(3)                    = 0
[pid  5093] connect(4, {sa_family=AF_BLUETOOTH, rc_bdaddr=ff:ff:ff:ff:ff:ff, rc_channel=2}, 10 <unfinished ...>
[pid  5056] kill(-18, SIGKILL <unfinished ...>
[pid  5093] <... connect resumed>)      = ?
[pid  5056] <... kill resumed>)         = 0
[pid  5056] kill(18, SIGKILL)           = 0
[pid  5093] +++ killed by SIGKILL +++
[pid  5056] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=18, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=0} ---
[pid  5056] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5094 attached
, child_tidptr=0x555555f8d690) = 19
[pid  5094] set_robust_list(0x555555f8d6a0, 24) = 0
[pid  5094] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5094] setpgid(0, 0)               = 0
[pid  5094] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5094] write(3, "1000", 4)         = 4
[pid  5094] close(3)                    = 0
[pid  5094] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY) = 3
[pid  5094] setns(201, 0)               = 0
[pid  5094] socket(AF_BLUETOOTH, SOCK_STREAM, BTPROTO_RFCOMM) = 4
[pid  5094] setns(3, 0)                 = 0
[pid  5094] close(3)                    = 0
[pid  5094] connect(4, {sa_family=AF_BLUETOOTH, rc_bdaddr=ff:ff:ff:ff:ff:ff, rc_channel=2}, 10) = -1 ECONNREFUSED (Connection refused)
[pid  5094] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY) = 3
[pid  5094] setns(201, 0)               = 0
[pid  5094] socket(AF_BLUETOOTH, SOCK_RAW, BTPROTO_RFCOMM) = 5
[pid  5094] setns(3, 0)                 = 0
[pid  5094] close(3)                    = 0
[pid  5094] openat(AT_FDCWD, "blkio.bfq.io_serviced", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3
[pid  5094] write(3, "\x0a\xfb\x84\xab\x3c\xec\xc3\xc2\x06\x57\x15\x00\x00\x00\x00\x77\x5f\x89\x03\x17\x19\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651) = 16776704
[pid  5094] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 3, 0) = 0x20000000
[pid  5094] preadv(3, 0x200015c0, 5, 0) = 16776704
[  152.589612][ T5094] 
[  152.591968][ T5094] ======================================================
[  152.598966][ T5094] WARNING: possible circular locking dependency detected
[  152.605964][ T5094] 6.6.0-syzkaller-10102-gff269e2cd5ad #0 Not tainted
[  152.612617][ T5094] ------------------------------------------------------
[  152.619615][ T5094] syz-executor156/5094 is trying to acquire lock:
[  152.626098][ T5094] ffffffff8ed29c68 (rfcomm_mutex){+.+.}-{3:3}, at: rfcomm_dlc_exists+0x5b/0x190
[  152.635142][ T5094] 
[  152.635142][ T5094] but task is already holding lock:
[  152.642484][ T5094] ffffffff8ed2ebe8 (rfcomm_ioctl_mutex){+.+.}-{3:3}, at: rfcomm_dev_ioctl+0x8b9/0x1c50
[  152.652128][ T5094] 
[  152.652128][ T5094] which lock already depends on the new lock.
[  152.652128][ T5094] 
[  152.662521][ T5094] 
[  152.662521][ T5094] the existing dependency chain (in reverse order) is:
[  152.671538][ T5094] 
[  152.671538][ T5094] -> #3 (rfcomm_ioctl_mutex){+.+.}-{3:3}:
[  152.679447][ T5094]        __mutex_lock+0x181/0x1340
[  152.684658][ T5094]        rfcomm_dev_ioctl+0x8b9/0x1c50
[  152.690128][ T5094]        rfcomm_sock_ioctl+0xb0/0xe0
[  152.695418][ T5094]        sock_do_ioctl+0x113/0x270
[  152.700541][ T5094]        sock_ioctl+0x22e/0x6b0
[  152.705483][ T5094]        __x64_sys_ioctl+0x18f/0x210
[  152.710769][ T5094]        do_syscall_64+0x3f/0x110
[  152.715792][ T5094]        entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  152.722216][ T5094] 
[  152.722216][ T5094] -> #2 (sk_lock-AF_BLUETOOTH-BTPROTO_RFCOMM){+.+.}-{0:0}:
[  152.731597][ T5094]        lock_sock_nested+0x3a/0xf0
[  152.736807][ T5094]        rfcomm_sk_state_change+0x6d/0x3a0
[  152.742614][ T5094]        __rfcomm_dlc_close+0x285/0x720
[  152.748158][ T5094]        rfcomm_dlc_close+0x1e7/0x240
[  152.753529][ T5094]        __rfcomm_sock_close+0xa7/0x230
[  152.759078][ T5094]        rfcomm_sock_shutdown+0xd1/0x230
[  152.764712][ T5094]        rfcomm_sock_release+0x5d/0x140
[  152.770259][ T5094]        __sock_release+0xae/0x260
[  152.775375][ T5094]        sock_close+0x1c/0x20
[  152.780060][ T5094]        __fput+0x270/0xbb0
[  152.784569][ T5094]        task_work_run+0x14d/0x240
[  152.789687][ T5094]        do_exit+0xa92/0x2a20
[  152.794369][ T5094]        do_group_exit+0xd4/0x2a0
[  152.799414][ T5094]        get_signal+0x23ba/0x2790
[  152.804445][ T5094]        arch_do_signal_or_restart+0x90/0x7f0
[  152.810517][ T5094]        exit_to_user_mode_prepare+0x11f/0x240
[  152.816675][ T5094]        syscall_exit_to_user_mode+0x1d/0x60
[  152.822662][ T5094]        do_syscall_64+0x4b/0x110
[  152.827689][ T5094]        entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  152.834112][ T5094] 
[  152.834112][ T5094] -> #1 (&d->lock){+.+.}-{3:3}:
[  152.841148][ T5094]        __mutex_lock+0x181/0x1340
[  152.846270][ T5094]        __rfcomm_dlc_close+0x231/0x720
[  152.851814][ T5094]        rfcomm_dlc_close+0x1e7/0x240
[  152.857189][ T5094]        __rfcomm_sock_close+0xa7/0x230
[  152.862733][ T5094]        rfcomm_sock_shutdown+0xd1/0x230
[  152.868368][ T5094]        rfcomm_sock_release+0x5d/0x140
[  152.873916][ T5094]        __sock_release+0xae/0x260
[  152.879032][ T5094]        sock_close+0x1c/0x20
[  152.883712][ T5094]        __fput+0x270/0xbb0
[  152.888220][ T5094]        task_work_run+0x14d/0x240
[  152.893335][ T5094]        do_exit+0xa92/0x2a20
[  152.898023][ T5094]        do_group_exit+0xd4/0x2a0
[  152.903053][ T5094]        get_signal+0x23ba/0x2790
[  152.908074][ T5094]        arch_do_signal_or_restart+0x90/0x7f0
[  152.914145][ T5094]        exit_to_user_mode_prepare+0x11f/0x240
[  152.920299][ T5094]        syscall_exit_to_user_mode+0x1d/0x60
[  152.926373][ T5094]        do_syscall_64+0x4b/0x110
[  152.931402][ T5094]        entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  152.937829][ T5094] 
[  152.937829][ T5094] -> #0 (rfcomm_mutex){+.+.}-{3:3}:
[  152.945214][ T5094]        __lock_acquire+0x2e3d/0x5de0
[  152.950590][ T5094]        lock_acquire+0x1ae/0x510
[  152.955623][ T5094]        __mutex_lock+0x181/0x1340
[  152.960737][ T5094]        rfcomm_dlc_exists+0x5b/0x190
[  152.966108][ T5094]        rfcomm_dev_ioctl+0x999/0x1c50
[  152.971569][ T5094]        rfcomm_sock_ioctl+0xb0/0xe0
[  152.976852][ T5094]        sock_do_ioctl+0x113/0x270
[  152.981971][ T5094]        sock_ioctl+0x22e/0x6b0
[  152.986834][ T5094]        __x64_sys_ioctl+0x18f/0x210
[  152.992118][ T5094]        do_syscall_64+0x3f/0x110
[  152.997154][ T5094]        entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  153.003574][ T5094] 
[  153.003574][ T5094] other info that might help us debug this:
[  153.003574][ T5094] 
[  153.013795][ T5094] Chain exists of:
[  153.013795][ T5094]   rfcomm_mutex --> sk_lock-AF_BLUETOOTH-BTPROTO_RFCOMM --> rfcomm_ioctl_mutex
[  153.013795][ T5094] 
[  153.028570][ T5094]  Possible unsafe locking scenario:
[  153.028570][ T5094] 
[  153.036005][ T5094]        CPU0                    CPU1
[  153.041357][ T5094]        ----                    ----
[  153.046714][ T5094]   lock(rfcomm_ioctl_mutex);
[  153.051389][ T5094]                                lock(sk_lock-AF_BLUETOOTH-BTPROTO_RFCOMM);
[  153.060054][ T5094]                                lock(rfcomm_ioctl_mutex);
[  153.067246][ T5094]   lock(rfcomm_mutex);
[  153.071397][ T5094] 
[  153.071397][ T5094]  *** DEADLOCK ***
[  153.071397][ T5094] 
[  153.079527][ T5094] 2 locks held by syz-executor156/5094:
[  153.085067][ T5094]  #0: ffff88807b5c7130 (sk_lock-AF_BLUETOOTH-BTPROTO_RFCOMM){+.+.}-{0:0}, at: rfcomm_sock_ioctl+0xa3/0xe0
[  153.096475][ T5094]  #1: ffffffff8ed2ebe8 (rfcomm_ioctl_mutex){+.+.}-{3:3}, at: rfcomm_dev_ioctl+0x8b9/0x1c50
[  153.106579][ T5094] 
[  153.106579][ T5094] stack backtrace:
[  153.112456][ T5094] CPU: 1 PID: 5094 Comm: syz-executor156 Not tainted 6.6.0-syzkaller-10102-gff269e2cd5ad #0
[  153.122518][ T5094] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  153.132570][ T5094] Call Trace:
[  153.135845][ T5094]  <TASK>
[  153.138777][ T5094]  dump_stack_lvl+0xd9/0x1b0
[  153.143373][ T5094]  check_noncircular+0x311/0x3f0
[  153.148325][ T5094]  ? print_circular_bug+0x750/0x750
[  153.153533][ T5094]  ? is_bpf_text_address+0x94/0x1a0
[  153.158735][ T5094]  ? kernel_text_address+0x85/0xf0
[  153.163856][ T5094]  ? arch_stack_walk+0x112/0x170
[  153.168798][ T5094]  __lock_acquire+0x2e3d/0x5de0
[  153.173661][ T5094]  ? lockdep_hardirqs_on_prepare+0x410/0x410
[  153.179648][ T5094]  ? save_trace+0x4e/0xb30
[  153.184068][ T5094]  ? _find_first_zero_bit+0x94/0xb0
[  153.189270][ T5094]  ? add_lock_to_list+0x17d/0x380
[  153.194298][ T5094]  lock_acquire+0x1ae/0x510
[  153.198808][ T5094]  ? rfcomm_dlc_exists+0x5b/0x190
[  153.203835][ T5094]  ? lock_sync+0x190/0x190
[  153.208259][ T5094]  ? lockdep_hardirqs_on_prepare+0x410/0x410
[  153.214356][ T5094]  ? preempt_count_sub+0x150/0x150
[  153.219471][ T5094]  __mutex_lock+0x181/0x1340
[  153.224066][ T5094]  ? rfcomm_dlc_exists+0x5b/0x190
[  153.229091][ T5094]  ? rfcomm_dlc_exists+0x5b/0x190
[  153.234120][ T5094]  ? find_held_lock+0x2d/0x110
[  153.238887][ T5094]  ? mutex_lock_io_nested+0x11a0/0x11a0
[  153.244439][ T5094]  ? __might_fault+0x13f/0x1a0
[  153.249201][ T5094]  ? reacquire_held_locks+0x4b0/0x4b0
[  153.254576][ T5094]  ? preempt_count_sub+0x150/0x150
[  153.259688][ T5094]  ? apparmor_capable+0x1da/0x4e0
[  153.264714][ T5094]  ? rfcomm_dlc_exists+0x5b/0x190
[  153.269735][ T5094]  rfcomm_dlc_exists+0x5b/0x190
[  153.274589][ T5094]  rfcomm_dev_ioctl+0x999/0x1c50
[  153.279533][ T5094]  ? rfcomm_dev_state_change+0x170/0x170
[  153.285177][ T5094]  ? reacquire_held_locks+0x4b0/0x4b0
[  153.290555][ T5094]  ? mark_held_locks+0x9f/0xe0
[  153.295322][ T5094]  ? __local_bh_enable_ip+0xa4/0x120
[  153.300609][ T5094]  rfcomm_sock_ioctl+0xb0/0xe0
[  153.305381][ T5094]  sock_do_ioctl+0x113/0x270
[  153.309976][ T5094]  ? put_user_ifreq+0x140/0x140
[  153.314828][ T5094]  ? do_vfs_ioctl+0x379/0x1920
[  153.319590][ T5094]  ? vfs_fileattr_set+0xbf0/0xbf0
[  153.324619][ T5094]  sock_ioctl+0x22e/0x6b0
[  153.328955][ T5094]  ? br_ioctl_call+0xb0/0xb0
[  153.333555][ T5094]  ? bpf_lsm_file_ioctl+0x9/0x10
[  153.338499][ T5094]  ? br_ioctl_call+0xb0/0xb0
[  153.343094][ T5094]  __x64_sys_ioctl+0x18f/0x210
[  153.347858][ T5094]  do_syscall_64+0x3f/0x110
[  153.352371][ T5094]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  153.358272][ T5094] RIP: 0033:0x7f8c69670d89
[  153.362679][ T5094] 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
[  153.382282][ T5094] RSP: 002b:00007ffc72b88378 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[pid  5094] ioctl(5, RFCOMMCREATEDEV, 0x20000100) = 0
[pid  5094] close(3)                    = 0
[pid  5094] close(4)                    = 0
[pid  5094] close(5)                    = 0
[pid  5094] close(6)                    = -1 EBADF (Bad file descriptor)
[pid  5094] close(7)                    = -1 EBADF (Bad file descriptor)
[pid  5094] close(8)                    = -1 EBADF (Bad file descriptor)
[pid  5094] close(9)                    = -1 EBADF (Bad file descriptor)
[pid  5094] close(10)                   = -1 EBADF (Bad file descriptor)
[pid  5094] close(11)                   = -1 EBADF (Bad file descriptor)
[pid  5094] close(12)                   = -1 EBADF (Bad file descriptor)
[pid  5094] close(13)                   = -1 EBADF (Bad file descriptor)
[pid  5094] close(14)                   = -1 EBADF (Bad file descriptor)
[pid  5094] close(15)                   = -1 EBADF (Bad file descriptor)
[pid  5094] close(16)                   = -1 EBADF (Bad file descriptor)
[pid  5094] close(17)                   = -1 EBADF (Bad file descriptor)
[pid  5094] close(18)                   = -1 EBADF (Bad file descriptor)
[pid  5094] close(19)                   = -1 EBADF (Bad file descriptor)
[pid  5094] close(20)                   = -1 EBADF (Bad file descriptor)
[pid  5094] close(21)                   = -1 EBADF (Bad file descriptor)
[pid  5094] close(22)                   = -1 EBADF (Bad file descriptor)
[pid  5094] close(23)                   = -1 EBADF (Bad file descriptor)
[pid  5094] close(24)                   = -1 EBADF (Bad file descriptor)
[pid  5094] close(25)                   = -1 EBADF (Bad file descriptor)
[pid  5094] close(26)                   = -1 EBADF (Bad file descriptor)
[pid  5094] close(27)                   = -1 EBADF (Bad file descriptor)
[pid  5094] close(28)                   = -1 EBADF (Bad file descriptor)
[pid  5094] close(29)                   = -1 EBADF (Bad file descriptor)
[pid  5094] exit_group(0)               = ?
[  153.390689][ T5094] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f8c69670d89
[  153.398674][ T5094] RDX: 0000000020000100 RSI: 00000000400452c8 RDI: 0000000000000005
[  153.406644][ T5094] RBP: 00000000000f4240 R08: 0000000000000000 R09: 0000000000000000
[  153.414616][ T5094] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc72b883d0
[  153.422584][ T5094] R13: 00007ffc72b883e0 R14: 0000000000023e45 R15: 00007ffc72b883a0
[  153.430561][ T5094]  </TASK>
[pid  5094] +++ exited with 0 +++
[pid  5056] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19, si_uid=0, si_status=0, si_utime=0, si_stime=39 /* 0.39 s */} ---
[pid  5056] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5056] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5096 attached
, child_tidptr=0x555555f8d690) = 20
[pid  5096] set_robust_list(0x555555f8d6a0, 24) = 0
[pid  5096] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5096] setpgid(0, 0)               = 0
[pid  5096] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5096] write(3, "1000", 4)         = 4
[pid  5096] close(3)                    = 0
[pid  5096] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY) = 3
[pid  5096] setns(201, 0)               = 0
[pid  5096] socket(AF_BLUETOOTH, SOCK_STREAM, BTPROTO_RFCOMM) = 4
[pid  5096] setns(3, 0)                 = 0
[pid  5096] close(3)                    = 0
[  155.613642][ T4463] Bluetooth: hci0: command 0x0405 tx timeout
[pid  5096] connect(4, {sa_family=AF_BLUETOOTH, rc_bdaddr=ff:ff:ff:ff:ff:ff, rc_channel=2}, 10 <unfinished ...>
[pid  5056] kill(-20, SIGKILL <unfinished ...>
[pid  5096] <... connect resumed>)      = ?
[pid  5056] <... kill resumed>)         = 0
[pid  5056] kill(20, SIGKILL)           = 0
[pid  5096] +++ killed by SIGKILL +++
[pid  5056] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=20, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=0} ---
[pid  5056] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5097 attached
 <unfinished ...>
[pid  5097] set_robust_list(0x555555f8d6a0, 24) = 0
[pid  5097] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5097] setpgid(0, 0)               = 0
[pid  5056] <... clone resumed>, child_tidptr=0x555555f8d690) = 21
[pid  5097] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5097] write(3, "1000", 4)         = 4
[pid  5097] close(3)                    = 0
[pid  5097] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY) = 3
[pid  5097] setns(201, 0)               = 0
[pid  5097] socket(AF_BLUETOOTH, SOCK_STREAM, BTPROTO_RFCOMM) = 4
[pid  5097] setns(3, 0)                 = 0
[pid  5097] close(3)                    = 0