./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2372757706

<...>
Warning: Permanently added '10.128.0.203' (ED25519) to the list of known hosts.
execve("./syz-executor2372757706", ["./syz-executor2372757706"], 0x7ffda5e79e10 /* 10 vars */) = 0
brk(NULL)                               = 0x555557ab8000
brk(0x555557ab8d40)                     = 0x555557ab8d40
arch_prctl(ARCH_SET_FS, 0x555557ab83c0) = 0
set_tid_address(0x555557ab8690)         = 5071
set_robust_list(0x555557ab86a0, 24)     = 0
rseq(0x555557ab8ce0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor2372757706", 4096) = 28
getrandom("\x3b\x89\x78\x5d\x40\x02\x11\x84", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x555557ab8d40
brk(0x555557ad9d40)                     = 0x555557ad9d40
brk(0x555557ada000)                     = 0x555557ada000
mprotect(0x7f6140697000, 16384, PROT_READ) = 0
mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000
mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000
mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000
unshare(CLONE_NEWPID)                   = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5072 attached
, child_tidptr=0x555557ab8690) = 5072
[pid  5072] set_robust_list(0x555557ab86a0, 24) = 0
[pid  5072] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid  5072] socket(AF_BLUETOOTH, SOCK_RAW, BTPROTO_HCI) = 3
[pid  5072] openat(AT_FDCWD, "/dev/vhci", O_RDWR) = 4
[pid  5072] dup2(4, 202)                = 202
[pid  5072] close(4)                    = 0
[pid  5072] write(202, "\xff\x00", 2)   = 2
[pid  5072] read(202, "\xff\x00\x00\x00", 4) = 4
[pid  5072] rt_sigaction(SIGRT_1, {sa_handler=0x7f6140638d40, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f614062a3c0}, NULL, 8) = 0
[pid  5072] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5072] mmap(NULL, 8392704, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f613fc00000
[pid  5072] mprotect(0x7f613fc01000, 8388608, PROT_READ|PROT_WRITE) = 0
[pid  5072] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5072] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6140400990, parent_tid=0x7f6140400990, exit_signal=0, stack=0x7f613fc00000, stack_size=0x800300, tls=0x7f61404006c0}./strace-static-x86_64: Process 5074 attached
 => {parent_tid=[2]}, 88) = 2
[pid  5072] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5074] rseq(0x7f6140400fe0, 0x20, 0, 0x53053053) = 0
[pid  5072] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5074] set_robust_list(0x7f61404009a0, 24 <unfinished ...>
[pid  5072] ioctl(3, HCIDEVUP <unfinished ...>
[pid  5074] <... set_robust_list resumed>) = 0
[pid  5074] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5074] read(202, "\x01\x03\x0c\x00", 1024) = 4
[pid  5074] 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  5074] read(202, "\x01\x03\x10\x00", 1024) = 4
[pid  5074] 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  5074] read(202, "\x01\x01\x10\x00", 1024) = 4
[pid  5074] 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  5074] read(202, "\x01\x09\x10\x00", 1024) = 4
[pid  5074] 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  5074] read(202, "\x01\x05\x10\x00", 1024) = 4
[pid  5074] 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  5074] read(202, "\x01\x23\x0c\x00", 1024) = 4
[pid  5074] 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
[  111.244731][   T52] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[  111.264146][   T52] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[  111.274783][   T52] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[pid  5074] read(202, "\x01\x14\x0c\x00", 1024) = 4
[pid  5074] 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  5074] read(202, "\x01\x25\x0c\x00", 1024) = 4
[pid  5074] 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  5074] read(202, "\x01\x38\x0c\x00", 1024) = 4
[pid  5074] 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  5074] read(202, "\x01\x39\x0c\x00", 1024) = 4
[pid  5074] 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  5074] read(202, "\x01\x16\x0c\x02\x00\x7d", 1024) = 6
[pid  5074] 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  5074] read(202,  <unfinished ...>
[pid  5072] <... ioctl resumed>, 0)     = -1 EALREADY (Operation already in progress)
[  111.295520][   T52] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[  111.328049][   T52] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3
[  111.337410][   T52] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[pid  5072] ioctl(3, HCISETSCAN <unfinished ...>
[pid  5074] <... read resumed>"\x01\x1a\x0c\x01\x02", 1024) = 5
[pid  5074] 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  5072] <... ioctl resumed>, 0x7ffe334cb3ac) = 0
[pid  5072] 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  5074] rt_sigprocmask(SIG_BLOCK, ~[RT_1],  <unfinished ...>
[pid  5072] <... writev resumed>)       = 13
[pid  5072] writev(202, [{iov_base="\x04", iov_len=1}, {iov_base="\x03\x0b", iov_len=2}, {iov_base="\x00\xc8\x00\xaa\xaa\xaa\xaa\xaa\x10\x01\x00", iov_len=11}], 3) = 14
[pid  5072] writev(202, [{iov_base="\x04", iov_len=1}, {iov_base="\v\v", iov_len=2}, {iov_base="\x00\xc8\x00\x00\x00\x00\x00\x00\x00\x00\x00", iov_len=11}], 3 <unfinished ...>
[pid  5074] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5072] <... writev resumed>)       = 14
[pid  5072] 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  5072] futex(0x7f6140400990, FUTEX_WAIT_BITSET|FUTEX_CLOCK_REALTIME, 2, NULL, FUTEX_BITSET_MATCH_ANY <unfinished ...>
[pid  5074] madvise(0x7f613fc00000, 8372224, MADV_DONTNEED) = 0
[pid  5074] exit(0)                     = ?
[pid  5074] +++ exited with 0 +++
[pid  5072] <... futex resumed>)        = 0
[pid  5072] close(3)                    = 0
[pid  5072] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5072] setsid()                    = 1
[pid  5072] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY) = 3
[pid  5072] dup2(3, 201)                = 201
[pid  5072] close(3)                    = 0
[pid  5072] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0
[pid  5072] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0
[pid  5072] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0
[pid  5072] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0
[pid  5072] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0
[pid  5072] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0
[pid  5072] unshare(CLONE_NEWNS)        = 0
[pid  5072] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0
[pid  5072] unshare(CLONE_NEWIPC)       = 0
[pid  5072] unshare(CLONE_NEWCGROUP)    = 0
[pid  5072] unshare(CLONE_NEWUTS)       = 0
[pid  5072] unshare(CLONE_SYSVSEM)      = 0
[pid  5072] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3
[pid  5072] write(3, "16777216", 8)     = 8
[pid  5072] close(3)                    = 0
[pid  5072] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3
[pid  5072] write(3, "536870912", 9)    = 9
[pid  5072] close(3)                    = 0
[pid  5072] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3
[pid  5072] write(3, "1024", 4)         = 4
[pid  5072] close(3)                    = 0
[pid  5072] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3
[pid  5072] write(3, "8192", 4)         = 4
[pid  5072] close(3)                    = 0
[pid  5072] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3
[pid  5072] write(3, "1024", 4)         = 4
[pid  5072] close(3)                    = 0
[pid  5072] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3
[pid  5072] write(3, "1024", 4)         = 4
[pid  5072] close(3)                    = 0
[pid  5072] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3
[pid  5072] write(3, "1024 1048576 500 1024", 21) = 21
[pid  5072] close(3)                    = 0
[pid  5072] getpid()                    = 1
[pid  5072] 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  5072] 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  5072] unshare(CLONE_NEWNET)       = 0
[pid  5072] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3
[pid  5072] write(3, "0 65535", 7)      = 7
[pid  5072] close(3)                    = 0
[pid  5072] mkdir("/dev/binderfs", 0777) = 0
[pid  5072] mount("binder", "/dev/binderfs", "binder", 0, NULL) = 0
[pid  5072] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5076 attached
 <unfinished ...>
[pid  5076] set_robust_list(0x555557ab86a0, 24 <unfinished ...>
[pid  5072] <... clone resumed>, child_tidptr=0x555557ab8690) = 3
[pid  5076] <... set_robust_list resumed>) = 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
[  113.443093][   T52] Bluetooth: hci0: command tx timeout
[  115.522265][   T52] Bluetooth: hci0: command 0x041b tx timeout
[pid  5076] connect(4, {sa_family=AF_BLUETOOTH, rc_bdaddr=aa:aa:aa:aa:aa:00, rc_channel=1}, 10 <unfinished ...>
[pid  5072] kill(-3, SIGKILL <unfinished ...>
[pid  5076] <... connect resumed>)      = ?
[pid  5072] <... kill resumed>)         = 0
[pid  5076] +++ killed by SIGKILL +++
[pid  5072] kill(3, SIGKILL)            = 0
[pid  5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=3, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=0} ---
[pid  5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5078 attached
, child_tidptr=0x555557ab8690) = 4
[pid  5078] set_robust_list(0x555557ab86a0, 24) = 0
[pid  5078] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5078] setpgid(0, 0)               = 0
[pid  5078] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5078] write(3, "1000", 4)         = 4
[pid  5078] close(3)                    = 0
[pid  5078] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY) = 3
[pid  5078] setns(201, 0)               = 0
[pid  5078] socket(AF_BLUETOOTH, SOCK_STREAM, BTPROTO_RFCOMM) = 4
[pid  5078] setns(3, 0)                 = 0
[pid  5078] close(3)                    = 0
[  117.602290][   T52] Bluetooth: hci0: command 0x041b tx timeout
[  119.692572][   T52] Bluetooth: hci0: command 0x041b tx timeout
[pid  5078] connect(4, {sa_family=AF_BLUETOOTH, rc_bdaddr=aa:aa:aa:aa:aa:00, rc_channel=1}, 10 <unfinished ...>
[pid  5072] kill(-4, SIGKILL)           = 0
[pid  5078] <... connect resumed>)      = ?
[pid  5072] kill(4, SIGKILL)            = 0
[pid  5078] +++ killed by SIGKILL +++
[pid  5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=4, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=0} ---
[pid  5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5081 attached
, child_tidptr=0x555557ab8690) = 5
[pid  5081] set_robust_list(0x555557ab86a0, 24) = 0
[pid  5081] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5081] setpgid(0, 0)               = 0
[pid  5081] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5081] write(3, "1000", 4)         = 4
[pid  5081] close(3)                    = 0
[pid  5081] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY) = 3
[pid  5081] setns(201, 0)               = 0
[pid  5081] socket(AF_BLUETOOTH, SOCK_STREAM, BTPROTO_RFCOMM) = 4
[pid  5081] setns(3, 0)                 = 0
[pid  5081] close(3)                    = 0
[  121.762254][   T52] Bluetooth: hci0: command 0x041b tx timeout
[pid  5081] connect(4, {sa_family=AF_BLUETOOTH, rc_bdaddr=aa:aa:aa:aa:aa:00, rc_channel=1}, 10 <unfinished ...>
[pid  5072] kill(-5, SIGKILL <unfinished ...>
[pid  5081] <... connect resumed>)      = ?
[pid  5072] <... kill resumed>)         = 0
[pid  5072] kill(5, SIGKILL)            = 0
[pid  5081] +++ killed by SIGKILL +++
[pid  5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=0} ---
[pid  5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5083 attached
, child_tidptr=0x555557ab8690) = 6
[pid  5083] set_robust_list(0x555557ab86a0, 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
[pid  5083] connect(4, {sa_family=AF_BLUETOOTH, rc_bdaddr=aa:aa:aa:aa:aa:00, rc_channel=1}, 10 <unfinished ...>
[pid  5072] kill(-6, SIGKILL)           = 0
[pid  5072] kill(6, SIGKILL <unfinished ...>
[pid  5083] <... connect resumed>)      = ?
[pid  5072] <... kill resumed>)         = 0
[pid  5083] +++ killed by SIGKILL +++
[pid  5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=0} ---
[pid  5072] restart_syscall(<... resuming interrupted kill ...>) = 0
[pid  5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5086 attached
, child_tidptr=0x555557ab8690) = 7
[pid  5086] set_robust_list(0x555557ab86a0, 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) = 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=aa:aa:aa:aa:aa:00, rc_channel=1}, 10 <unfinished ...>
[pid  5072] kill(-7, SIGKILL <unfinished ...>
[pid  5086] <... connect resumed>)      = ?
[pid  5072] <... kill resumed>)         = 0
[pid  5086] +++ killed by SIGKILL +++
[pid  5072] kill(7, SIGKILL)            = 0
[pid  5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=0} ---
[pid  5072] 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(0x555557ab86a0, 24 <unfinished ...>
[pid  5072] <... clone resumed>, child_tidptr=0x555557ab8690) = 8
[pid  5088] <... set_robust_list resumed>) = 0
[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=aa:aa:aa:aa:aa:00, rc_channel=1}, 10 <unfinished ...>
[pid  5072] kill(-8, SIGKILL <unfinished ...>
[pid  5088] <... connect resumed>)      = ?
[pid  5072] <... kill resumed>)         = 0
[pid  5072] kill(8, SIGKILL <unfinished ...>
[pid  5088] +++ killed by SIGKILL +++
[pid  5072] <... kill resumed>)         = 0
[pid  5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=8, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5095 attached
, child_tidptr=0x555557ab8690) = 9
[pid  5095] set_robust_list(0x555557ab86a0, 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  5072] kill(-9, SIGKILL <unfinished ...>
[pid  5095] <... connect resumed>)      = ?
[pid  5072] <... kill resumed>)         = 0
[pid  5072] kill(9, SIGKILL)            = 0
[pid  5095] +++ killed by SIGKILL +++
[pid  5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=9, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=0} ---
[pid  5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5096 attached
, child_tidptr=0x555557ab8690) = 10
[pid  5096] set_robust_list(0x555557ab86a0, 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
[pid  5096] connect(4, {sa_family=AF_BLUETOOTH, rc_bdaddr=aa:aa:aa:aa:aa:00, rc_channel=1}, 10 <unfinished ...>
[pid  5072] kill(-10, SIGKILL)          = 0
[pid  5096] <... connect resumed>)      = ?
[pid  5072] kill(10, SIGKILL <unfinished ...>
[pid  5096] +++ killed by SIGKILL +++
[pid  5072] <... kill resumed>)         = 0
[pid  5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=10, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=0} ---
[pid  5072] 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(0x555557ab86a0, 24 <unfinished ...>
[pid  5072] <... clone resumed>, child_tidptr=0x555557ab8690) = 11
[pid  5097] <... set_robust_list resumed>) = 0
[pid  5097] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5097] setpgid(0, 0)               = 0
[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
[  153.842271][ T4464] Bluetooth: hci0: command 0x041b tx timeout
[pid  5097] connect(4, {sa_family=AF_BLUETOOTH, rc_bdaddr=aa:aa:aa:aa:aa:00, rc_channel=1}, 10 <unfinished ...>
[pid  5072] kill(-11, SIGKILL)          = 0
[pid  5072] kill(11, SIGKILL <unfinished ...>
[pid  5097] <... connect resumed>)      = ?
[pid  5072] <... kill resumed>)         = 0
[pid  5097] +++ killed by SIGKILL +++
[pid  5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=11, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=0} ---
[pid  5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5098 attached
, child_tidptr=0x555557ab8690) = 12
[pid  5098] set_robust_list(0x555557ab86a0, 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
[pid  5098] connect(4, {sa_family=AF_BLUETOOTH, rc_bdaddr=aa:aa:aa:aa:aa:00, rc_channel=1}, 10 <unfinished ...>
[pid  5072] kill(-12, SIGKILL <unfinished ...>
[pid  5098] <... connect resumed>)      = ?
[pid  5072] <... kill resumed>)         = 0
[pid  5098] +++ killed by SIGKILL +++
[pid  5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=12, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=0} ---
[pid  5072] kill(12, SIGKILL)           = 0
[pid  5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5099 attached
, child_tidptr=0x555557ab8690) = 13
[pid  5099] set_robust_list(0x555557ab86a0, 24) = 0
[pid  5099] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5099] setpgid(0, 0)               = 0
[pid  5099] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5099] write(3, "1000", 4)         = 4
[pid  5099] close(3)                    = 0
[pid  5099] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY) = 3
[pid  5099] setns(201, 0)               = 0
[pid  5099] socket(AF_BLUETOOTH, SOCK_STREAM, BTPROTO_RFCOMM) = 4
[pid  5099] setns(3, 0)                 = 0
[pid  5099] close(3)                    = 0
[pid  5099] connect(4, {sa_family=AF_BLUETOOTH, rc_bdaddr=aa:aa:aa:aa:aa:00, rc_channel=1}, 10 <unfinished ...>
[pid  5072] kill(-13, SIGKILL <unfinished ...>
[pid  5099] <... connect resumed>)      = ?
[pid  5072] <... kill resumed>)         = 0
[pid  5099] +++ killed by SIGKILL +++
[pid  5072] kill(13, SIGKILL)           = 0
[pid  5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=13, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5100 attached
, child_tidptr=0x555557ab8690) = 14
[pid  5100] set_robust_list(0x555557ab86a0, 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) = 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  5072] kill(-14, SIGKILL)          = 0
[pid  5072] kill(14, SIGKILL)           = 0
[pid  5100] <... connect resumed>)      = ?
[pid  5100] +++ killed by SIGKILL +++
[pid  5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=14, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=0} ---
[pid  5072] restart_syscall(<... resuming interrupted kill ...>) = 0
[pid  5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5101 attached
, child_tidptr=0x555557ab8690) = 15
[pid  5101] set_robust_list(0x555557ab86a0, 24) = 0
[pid  5101] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5101] setpgid(0, 0)               = 0
[pid  5101] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5101] write(3, "1000", 4)         = 4
[pid  5101] close(3)                    = 0
[pid  5101] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY) = 3
[pid  5101] setns(201, 0)               = 0
[pid  5101] socket(AF_BLUETOOTH, SOCK_STREAM, BTPROTO_RFCOMM) = 4
[pid  5101] setns(3, 0)                 = 0
[pid  5101] close(3)                    = 0
[pid  5101] connect(4, {sa_family=AF_BLUETOOTH, rc_bdaddr=aa:aa:aa:aa:aa:00, rc_channel=1}, 10 <unfinished ...>
[pid  5072] kill(-15, SIGKILL)          = 0
[pid  5101] <... connect resumed>)      = ?
[pid  5072] kill(15, SIGKILL)           = 0
[pid  5101] +++ killed by SIGKILL +++
[pid  5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=15, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=0} ---
[pid  5072] restart_syscall(<... resuming interrupted kill ...>) = 0
[pid  5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5102 attached
, child_tidptr=0x555557ab8690) = 16
[pid  5102] set_robust_list(0x555557ab86a0, 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  5072] kill(-16, SIGKILL)          = 0
[pid  5072] kill(16, SIGKILL)           = 0
[pid  5102] <... connect resumed>)      = ?
[pid  5102] +++ killed by SIGKILL +++
[pid  5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=16, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5103 attached
, child_tidptr=0x555557ab8690) = 17
[pid  5103] set_robust_list(0x555557ab86a0, 24) = 0
[pid  5103] prctl(PR_SET_PDEATHSIG, SIGKILL) = 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  5072] kill(-17, SIGKILL)          = 0
[pid  5103] <... connect resumed>)      = ?
[pid  5072] kill(17, SIGKILL)           = 0
[pid  5103] +++ killed by SIGKILL +++
[pid  5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=17, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5104 attached
, child_tidptr=0x555557ab8690) = 18
[pid  5104] set_robust_list(0x555557ab86a0, 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  5072] kill(-18, SIGKILL <unfinished ...>
[pid  5104] <... connect resumed>)      = ?
[pid  5072] <... kill resumed>)         = 0
[pid  5072] kill(18, SIGKILL)           = 0
[pid  5104] +++ killed by SIGKILL +++
[pid  5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=18, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5105 attached
, child_tidptr=0x555557ab8690) = 19
[pid  5105] set_robust_list(0x555557ab86a0, 24) = 0
[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) = -1 ECONNREFUSED (Connection refused)
[pid  5105] getsockopt(-1, SOL_IPV6, IPV6_FLOWLABEL_MGR, 0x20000100, NULL) = -1 EBADF (Bad file descriptor)
[pid  5105] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY) = 3
[pid  5105] setns(201, 0)               = 0
[pid  5105] socket(AF_BLUETOOTH, SOCK_RAW, BTPROTO_RFCOMM) = 5
[pid  5105] setns(3, 0)                 = 0
[pid  5105] close(3)                    = 0
[  192.111347][ T5105] 
[  192.113721][ T5105] ======================================================
[  192.120734][ T5105] WARNING: possible circular locking dependency detected
[  192.127751][ T5105] 6.8.0-syzkaller-08951-gfe46a7dd189e #0 Not tainted
[  192.134437][ T5105] ------------------------------------------------------
[  192.141463][ T5105] syz-executor237/5105 is trying to acquire lock:
[  192.147876][ T5105] ffffffff8f58c328 (rfcomm_mutex){+.+.}-{3:3}, at: rfcomm_dlc_exists+0x5f/0x1a0
[  192.157077][ T5105] 
[  192.157077][ T5105] but task is already holding lock:
[  192.164451][ T5105] ffffffff8f5912a8 (rfcomm_ioctl_mutex){+.+.}-{3:3}, at: rfcomm_dev_ioctl+0x8e4/0x1c80
[  192.174137][ T5105] 
[  192.174137][ T5105] which lock already depends on the new lock.
[  192.174137][ T5105] 
[  192.184536][ T5105] 
[  192.184536][ T5105] the existing dependency chain (in reverse order) is:
[  192.193550][ T5105] 
[  192.193550][ T5105] -> #3 (rfcomm_ioctl_mutex){+.+.}-{3:3}:
[  192.201478][ T5105]        __mutex_lock+0x175/0x9c0
[  192.206533][ T5105]        rfcomm_dev_ioctl+0x8e4/0x1c80
[  192.212024][ T5105]        rfcomm_sock_ioctl+0xb4/0xe0
[  192.217338][ T5105]        sock_do_ioctl+0x119/0x280
[  192.222484][ T5105]        sock_ioctl+0x22e/0x6c0
[  192.227369][ T5105]        __x64_sys_ioctl+0x196/0x220
[  192.232695][ T5105]        do_syscall_64+0xd5/0x260
[  192.237767][ T5105]        entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  192.244226][ T5105] 
[  192.244226][ T5105] -> #2 (sk_lock-AF_BLUETOOTH-BTPROTO_RFCOMM){+.+.}-{0:0}:
[  192.253649][ T5105]        lock_sock_nested+0x3a/0xf0
[  192.258877][ T5105]        rfcomm_sk_state_change+0x6d/0x3b0
[  192.264735][ T5105]        __rfcomm_dlc_close+0x28f/0x720
[  192.270320][ T5105]        rfcomm_dlc_close+0x1eb/0x240
[  192.275729][ T5105]        __rfcomm_sock_close+0xa7/0x230
[  192.281336][ T5105]        rfcomm_sock_shutdown+0xd5/0x230
[  192.287010][ T5105]        rfcomm_sock_release+0x5d/0x140
[  192.292597][ T5105]        __sock_release+0xb3/0x270
[  192.297733][ T5105]        sock_close+0x1c/0x30
[  192.302434][ T5105]        __fput+0x273/0xb80
[  192.306961][ T5105]        task_work_run+0x151/0x250
[  192.312101][ T5105]        do_exit+0xa7d/0x2be0
[  192.316811][ T5105]        do_group_exit+0xd3/0x2a0
[  192.321863][ T5105]        get_signal+0x2390/0x2760
[  192.326929][ T5105]        arch_do_signal_or_restart+0x90/0x7e0
[  192.333034][ T5105]        syscall_exit_to_user_mode+0x14a/0x2a0
[  192.339232][ T5105]        do_syscall_64+0xe2/0x260
[  192.344303][ T5105]        entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  192.350770][ T5105] 
[  192.350770][ T5105] -> #1 (&d->lock){+.+.}-{3:3}:
[  192.357844][ T5105]        __mutex_lock+0x175/0x9c0
[  192.362912][ T5105]        __rfcomm_dlc_close+0x235/0x720
[  192.368495][ T5105]        rfcomm_dlc_close+0x1eb/0x240
[  192.373904][ T5105]        __rfcomm_sock_close+0xa7/0x230
[  192.379491][ T5105]        rfcomm_sock_shutdown+0xd5/0x230
[  192.385167][ T5105]        rfcomm_sock_release+0x5d/0x140
[  192.390758][ T5105]        __sock_release+0xb3/0x270
[  192.395893][ T5105]        sock_close+0x1c/0x30
[  192.400595][ T5105]        __fput+0x273/0xb80
[  192.405124][ T5105]        task_work_run+0x151/0x250
[  192.410269][ T5105]        do_exit+0xa7d/0x2be0
[  192.414975][ T5105]        do_group_exit+0xd3/0x2a0
[  192.420025][ T5105]        get_signal+0x2390/0x2760
[  192.425094][ T5105]        arch_do_signal_or_restart+0x90/0x7e0
[  192.431203][ T5105]        syscall_exit_to_user_mode+0x14a/0x2a0
[  192.437405][ T5105]        do_syscall_64+0xe2/0x260
[  192.442473][ T5105]        entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  192.448933][ T5105] 
[  192.448933][ T5105] -> #0 (rfcomm_mutex){+.+.}-{3:3}:
[  192.456356][ T5105]        __lock_acquire+0x2478/0x3b30
[  192.461753][ T5105]        lock_acquire+0x1b1/0x540
[  192.466807][ T5105]        __mutex_lock+0x175/0x9c0
[  192.471869][ T5105]        rfcomm_dlc_exists+0x5f/0x1a0
[  192.477278][ T5105]        rfcomm_dev_ioctl+0x9c5/0x1c80
[  192.482764][ T5105]        rfcomm_sock_ioctl+0xb4/0xe0
[  192.488090][ T5105]        sock_do_ioctl+0x119/0x280
[  192.493236][ T5105]        sock_ioctl+0x22e/0x6c0
[  192.498132][ T5105]        __x64_sys_ioctl+0x196/0x220
[  192.503448][ T5105]        do_syscall_64+0xd5/0x260
[  192.508533][ T5105]        entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  192.514990][ T5105] 
[  192.514990][ T5105] other info that might help us debug this:
[  192.514990][ T5105] 
[  192.525226][ T5105] Chain exists of:
[  192.525226][ T5105]   rfcomm_mutex --> sk_lock-AF_BLUETOOTH-BTPROTO_RFCOMM --> rfcomm_ioctl_mutex
[  192.525226][ T5105] 
[  192.540048][ T5105]  Possible unsafe locking scenario:
[  192.540048][ T5105] 
[  192.547506][ T5105]        CPU0                    CPU1
[  192.552878][ T5105]        ----                    ----
[  192.558336][ T5105]   lock(rfcomm_ioctl_mutex);
[  192.563030][ T5105]                                lock(sk_lock-AF_BLUETOOTH-BTPROTO_RFCOMM);
[  192.571721][ T5105]                                lock(rfcomm_ioctl_mutex);
[  192.578938][ T5105]   lock(rfcomm_mutex);
[  192.583112][ T5105] 
[  192.583112][ T5105]  *** DEADLOCK ***
[  192.583112][ T5105] 
[  192.591256][ T5105] 2 locks held by syz-executor237/5105:
[  192.596813][ T5105]  #0: ffff88802ade4258 (sk_lock-AF_BLUETOOTH-BTPROTO_RFCOMM){+.+.}-{0:0}, at: rfcomm_sock_ioctl+0xa7/0xe0
[  192.608290][ T5105]  #1: ffffffff8f5912a8 (rfcomm_ioctl_mutex){+.+.}-{3:3}, at: rfcomm_dev_ioctl+0x8e4/0x1c80
[  192.618448][ T5105] 
[  192.618448][ T5105] stack backtrace:
[  192.624341][ T5105] CPU: 1 PID: 5105 Comm: syz-executor237 Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0
[  192.634432][ T5105] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024
[  192.644504][ T5105] Call Trace:
[  192.647798][ T5105]  <TASK>
[  192.650766][ T5105]  dump_stack_lvl+0x116/0x1f0
[  192.655486][ T5105]  check_noncircular+0x31a/0x400
[  192.660455][ T5105]  ? __pfx_check_noncircular+0x10/0x10
[  192.665952][ T5105]  ? __kernel_text_address+0xd/0x40
[  192.671189][ T5105]  ? unwind_get_return_address+0x45/0xe0
[  192.676854][ T5105]  ? srso_return_thunk+0x5/0x5f
[  192.681754][ T5105]  ? lockdep_lock+0xc6/0x200
[  192.686392][ T5105]  ? __pfx_lockdep_lock+0x10/0x10
[  192.691462][ T5105]  ? srso_return_thunk+0x5/0x5f
[  192.696362][ T5105]  __lock_acquire+0x2478/0x3b30
[  192.701253][ T5105]  ? __pfx___lock_acquire+0x10/0x10
[  192.706484][ T5105]  ? add_lock_to_list+0x17d/0x380
[  192.711564][ T5105]  lock_acquire+0x1b1/0x540
[  192.716100][ T5105]  ? rfcomm_dlc_exists+0x5f/0x1a0
[  192.721169][ T5105]  ? __pfx_lock_acquire+0x10/0x10
[  192.726227][ T5105]  ? srso_return_thunk+0x5/0x5f
[  192.731124][ T5105]  ? __mutex_trylock_common+0xea/0x250
[  192.736619][ T5105]  ? __pfx___might_resched+0x10/0x10
[  192.741943][ T5105]  ? __pfx___mutex_trylock_common+0x10/0x10
[  192.747881][ T5105]  __mutex_lock+0x175/0x9c0
[  192.752426][ T5105]  ? rfcomm_dlc_exists+0x5f/0x1a0
[  192.757494][ T5105]  ? srso_return_thunk+0x5/0x5f
[  192.762395][ T5105]  ? aa_get_newest_label+0x376/0x680
[  192.767715][ T5105]  ? rfcomm_dlc_exists+0x5f/0x1a0
[  192.772781][ T5105]  ? srso_return_thunk+0x5/0x5f
[  192.777678][ T5105]  ? __pfx___mutex_lock+0x10/0x10
[  192.782749][ T5105]  ? __pfx_lock_release+0x10/0x10
[  192.787806][ T5105]  ? srso_return_thunk+0x5/0x5f
[  192.792705][ T5105]  ? srso_return_thunk+0x5/0x5f
[  192.797601][ T5105]  ? apparmor_capable+0x126/0x1e0
[  192.802661][ T5105]  ? rfcomm_dlc_exists+0x5f/0x1a0
[  192.807723][ T5105]  rfcomm_dlc_exists+0x5f/0x1a0
[  192.812618][ T5105]  rfcomm_dev_ioctl+0x9c5/0x1c80
[  192.817588][ T5105]  ? srso_return_thunk+0x5/0x5f
[  192.822484][ T5105]  ? __pfx_rfcomm_dev_ioctl+0x10/0x10
[  192.827891][ T5105]  ? __pfx_lock_release+0x10/0x10
[  192.832949][ T5105]  ? srso_return_thunk+0x5/0x5f
[  192.837847][ T5105]  ? mark_held_locks+0x9f/0xe0
[  192.842641][ T5105]  ? rfcomm_sock_ioctl+0xa7/0xe0
[  192.847625][ T5105]  ? __local_bh_enable_ip+0xa4/0x120
[  192.852963][ T5105]  rfcomm_sock_ioctl+0xb4/0xe0
[  192.857773][ T5105]  sock_do_ioctl+0x119/0x280
[  192.862405][ T5105]  ? __pfx_sock_do_ioctl+0x10/0x10
[  192.867575][ T5105]  ? srso_return_thunk+0x5/0x5f
[  192.872498][ T5105]  ? srso_return_thunk+0x5/0x5f
[  192.877396][ T5105]  sock_ioctl+0x22e/0x6c0
[  192.881769][ T5105]  ? __pfx_sock_ioctl+0x10/0x10
[  192.886664][ T5105]  ? __pfx_restore_fpregs_from_fpstate+0x10/0x10
[  192.893036][ T5105]  ? srso_return_thunk+0x5/0x5f
[  192.897932][ T5105]  ? __pfx_sock_ioctl+0x10/0x10
[  192.902832][ T5105]  __x64_sys_ioctl+0x196/0x220
[  192.907634][ T5105]  do_syscall_64+0xd5/0x260
[  192.912189][ T5105]  entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  192.918139][ T5105] RIP: 0033:0x7f6140612d49
[  192.922576][ T5105] 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
[  192.942211][ T5105] RSP: 002b:00007ffe334cb378 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  192.950652][ T5105] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f6140612d49
[pid  5105] ioctl(5, RFCOMMCREATEDEV, 0x20000100) = -1 ENFILE (Too many open files in system)
[pid  5105] close(3)                    = -1 EBADF (Bad file descriptor)
[pid  5105] close(4)                    = 0
[pid  5105] close(5)                    = 0
[pid  5105] close(6)                    = -1 EBADF (Bad file descriptor)
[  192.958646][ T5105] RDX: 0000000020000100 RSI: 00000000400452c8 RDI: 0000000000000005
[  192.966646][ T5105] RBP: 00000000000f4240 R08: 0000000000000000 R09: 0000555500000000
[  192.974638][ T5105] R10: 0000555500000000 R11: 0000000000000246 R12: 00007ffe334cb3c0
[  192.982628][ T5105] R13: 00007ffe334cb3d0 R14: 000000000002da18 R15: 00007ffe334cb390
[  192.990634][ T5105]  </TASK>
[pid  5105] close(7)                    = -1 EBADF (Bad file descriptor)
[pid  5105] close(8)                    = -1 EBADF (Bad file descriptor)
[pid  5105] close(9)                    = -1 EBADF (Bad file descriptor)
[pid  5105] close(10)                   = -1 EBADF (Bad file descriptor)
[pid  5105] close(11)                   = -1 EBADF (Bad file descriptor)
[pid  5105] close(12)                   = -1 EBADF (Bad file descriptor)
[pid  5105] close(13)                   = -1 EBADF (Bad file descriptor)
[pid  5105] close(14)                   = -1 EBADF (Bad file descriptor)
[pid  5105] close(15)                   = -1 EBADF (Bad file descriptor)
[pid  5105] close(16)                   = -1 EBADF (Bad file descriptor)
[pid  5105] close(17)                   = -1 EBADF (Bad file descriptor)
[pid  5105] close(18)                   = -1 EBADF (Bad file descriptor)
[pid  5105] close(19)                   = -1 EBADF (Bad file descriptor)
[pid  5105] close(20)                   = -1 EBADF (Bad file descriptor)
[pid  5105] close(21)                   = -1 EBADF (Bad file descriptor)
[pid  5105] close(22)                   = -1 EBADF (Bad file descriptor)
[pid  5105] close(23)                   = -1 EBADF (Bad file descriptor)
[pid  5105] close(24)                   = -1 EBADF (Bad file descriptor)
[pid  5105] close(25)                   = -1 EBADF (Bad file descriptor)
[pid  5105] close(26)                   = -1 EBADF (Bad file descriptor)
[pid  5105] close(27)                   = -1 EBADF (Bad file descriptor)
[pid  5105] close(28)                   = -1 EBADF (Bad file descriptor)
[pid  5105] close(29)                   = -1 EBADF (Bad file descriptor)
[pid  5105] exit_group(0)               = ?
[pid  5105] +++ exited with 0 +++
[pid  5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555557ab8690) = 20
./strace-static-x86_64: Process 5106 attached
[pid  5106] set_robust_list(0x555557ab86a0, 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
[  195.282207][   T52] Bluetooth: hci0: command 0x041b tx timeout
[pid  5106] connect(4, {sa_family=AF_BLUETOOTH, rc_bdaddr=aa:aa:aa:aa:aa:00, rc_channel=1}, 10 <unfinished ...>
[pid  5072] kill(-20, SIGKILL <unfinished ...>
[pid  5106] <... connect resumed>)      = ?
[pid  5072] <... kill resumed>)         = 0
[pid  5072] kill(20, SIGKILL)           = 0
[pid  5106] +++ killed by SIGKILL +++
[pid  5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=20, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=0} ---
[pid  5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555557ab8690) = 21
./strace-static-x86_64: Process 5107 attached
[pid  5107] set_robust_list(0x555557ab86a0, 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