./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor815591528 <...> Warning: Permanently added '10.128.0.106' (ED25519) to the list of known hosts. execve("./syz-executor815591528", ["./syz-executor815591528"], 0x7ffdf9d1d510 /* 10 vars */) = 0 brk(NULL) = 0x55556fed7000 brk(0x55556fed7e00) = 0x55556fed7e00 arch_prctl(ARCH_SET_FS, 0x55556fed7480) = 0 set_tid_address(0x55556fed7750) = 5828 set_robust_list(0x55556fed7760, 24) = 0 rseq(0x55556fed7da0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor815591528", 4096) = 27 getrandom("\x94\xc5\xa3\xb6\x7c\x83\x2e\xff", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55556fed7e00 brk(0x55556fef8e00) = 0x55556fef8e00 brk(0x55556fef9000) = 0x55556fef9000 mprotect(0x7f6a80455000, 16384, PROT_READ) = 0 mmap(0x3ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x3ffffffff000 mmap(0x400000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x400000000000 mmap(0x400001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x400001000000 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5829 attached , child_tidptr=0x55556fed7750) = 5829 [pid 5828] openat(AT_FDCWD, "/sys/kernel/debug/x86/nmi_longest_ns", O_WRONLY|O_CLOEXEC [pid 5829] set_robust_list(0x55556fed7760, 24) = 0 [pid 5828] <... openat resumed>) = 3 [pid 5828] write(3, "10000000000", 11) = 11 [pid 5828] close(3) = 0 [pid 5828] openat(AT_FDCWD, "/proc/sys/kernel/hung_task_check_interval_secs", O_WRONLY|O_CLOEXEC) = 3 [pid 5828] write(3, "20", 2) = 2 [pid 5828] close(3) = 0 [pid 5828] openat(AT_FDCWD, "/proc/sys/net/core/bpf_jit_kallsyms", O_WRONLY|O_CLOEXEC) = 3 [pid 5828] write(3, "1", 1) = 1 [pid 5828] close(3) = 0 [pid 5828] openat(AT_FDCWD, "/proc/sys/net/core/bpf_jit_harden", O_WRONLY|O_CLOEXEC) = 3 [pid 5828] write(3, "0", 1) = 1 [pid 5828] close(3) = 0 [pid 5828] openat(AT_FDCWD, "/proc/sys/kernel/kptr_restrict", O_WRONLY|O_CLOEXEC) = 3 [pid 5828] write(3, "0", 1) = 1 [pid 5828] close(3) = 0 [pid 5828] openat(AT_FDCWD, "/proc/sys/kernel/softlockup_all_cpu_backtrace", O_WRONLY|O_CLOEXEC) = 3 [pid 5828] write(3, "1", 1) = 1 [pid 5828] close(3) = 0 [pid 5828] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3 [pid 5828] write(3, "100", 3) = 3 [pid 5828] close(3) = 0 [pid 5828] openat(AT_FDCWD, "/proc/sys/vm/oom_dump_tasks", O_WRONLY|O_CLOEXEC) = 3 [pid 5828] write(3, "0", 1) = 1 [pid 5828] close(3) = 0 [pid 5828] openat(AT_FDCWD, "/proc/sys/debug/exception-trace", O_WRONLY|O_CLOEXEC) = 3 [pid 5828] write(3, "0", 1) = 1 [pid 5828] close(3) = 0 [pid 5828] openat(AT_FDCWD, "/proc/sys/kernel/printk", O_WRONLY|O_CLOEXEC) = 3 [pid 5828] write(3, "7 4 1 3", 7) = 7 [pid 5828] close(3) = 0 [pid 5828] openat(AT_FDCWD, "/proc/sys/kernel/keys/gc_delay", O_WRONLY|O_CLOEXEC) = 3 [pid 5828] write(3, "1", 1) = 1 [pid 5828] close(3) = 0 [pid 5828] openat(AT_FDCWD, "/proc/sys/vm/oom_kill_allocating_task", O_WRONLY|O_CLOEXEC) = 3 [pid 5828] write(3, "1", 1) = 1 [pid 5828] close(3) = 0 [pid 5828] openat(AT_FDCWD, "/proc/sys/kernel/ctrl-alt-del", O_WRONLY|O_CLOEXEC) = 3 [pid 5828] write(3, "0", 1) = 1 [pid 5828] close(3) = 0 [pid 5828] openat(AT_FDCWD, "/proc/sys/kernel/cad_pid", O_WRONLY|O_CLOEXEC) = 3 [pid 5828] write(3, "5829", 4) = 4 [pid 5828] close(3) = 0 [pid 5828] kill(5829, SIGKILL) = 0 [pid 5829] +++ killed by SIGKILL +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5829, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=0} --- mount(NULL, "/proc/sys/fs/binfmt_misc", "binfmt_misc", 0, NULL) = -1 EBUSY (Device or resource busy) openat(AT_FDCWD, "/proc/sys/fs/binfmt_misc/register", O_WRONLY|O_CLOEXEC) = 3 write(3, "\x3a\x73\x79\x7a\x30\x3a\x4d\x3a\x30\x3a\x01\x3a\x3a\x2e\x2f\x66\x69\x6c\x65\x30\x3a", 21) = 21 close(3) = 0 openat(AT_FDCWD, "/proc/sys/fs/binfmt_misc/register", O_WRONLY|O_CLOEXEC) = 3 write(3, "\x3a\x73\x79\x7a\x31\x3a\x4d\x3a\x31\x3a\x02\x3a\x3a\x2e\x2f\x66\x69\x6c\x65\x30\x3a\x50\x4f\x43", 24) = 24 close(3) = 0 socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC) = 4 sendto(4, [{nlmsg_len=36, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0d\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x35\x34\x00\x00\x00\x00"], 36, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 36 recvfrom(4, [{nlmsg_len=864, nlmsg_type=nlctrl, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=5828}, "\x01\x02\x00\x00\x0d\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x35\x34\x00\x00\x00\x00\x06\x00\x01\x00\x1d\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x30\x00\x00\x00\xe8\x02\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x05\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x03\x00"...], 4096, 0, NULL, NULL) = 864 recvfrom(4, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=5828}, {error=0, msg={nlmsg_len=36, nlmsg_type=nlctrl, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 5 ioctl(5, SIOCGIFINDEX, {ifr_name="wpan0", ifr_ifindex=11}) = 0 close(5) = 0 sendto(4, [{nlmsg_len=36, nlmsg_type=nl802154, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x0b\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x06\x00\x0a\x00\xa0\xaa\x00\x00"], 36, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 36 recvfrom(4, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=5828}, {error=0, msg={nlmsg_len=36, nlmsg_type=nl802154, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 5 ioctl(5, SIOCGIFINDEX, {ifr_name="wpan0", ifr_ifindex=11}) = 0 close(5) = 0 sendto(3, [{nlmsg_len=44, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x00\x00\x00\x00\x0b\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x0c\x00\x01\x00\x02\x00\xaa\xaa\xaa\xaa\xaa\xaa"], 44, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 44 recvfrom(3, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=5828}, {error=0, msg={nlmsg_len=44, nlmsg_type=RTM_NEWLINK, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 sendto(3, [{nlmsg_len=68, nlmsg_type=RTM_NEWLINK, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|NLM_F_EXCL|NLM_F_CREATE, nlmsg_seq=0, nlmsg_pid=0}, {ifi_family=AF_UNSPEC, ifi_type=ARPHRD_NETROM, ifi_index=0, ifi_flags=0, ifi_change=0}, [[{nla_len=11, nla_type=IFLA_IFNAME}, "lowpan0"...], [{nla_len=16, nla_type=IFLA_LINKINFO}, [{nla_len=10, nla_type=IFLA_INFO_KIND}, "lowpan"...]], [{nla_len=8, nla_type=IFLA_LINK}, 11]]], 68, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 68 recvfrom(3, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=5828}, {error=0, msg={nlmsg_len=68, nlmsg_type=RTM_NEWLINK, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|NLM_F_EXCL|NLM_F_CREATE, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 5 ioctl(5, SIOCGIFINDEX, {ifr_name="wpan1", ifr_ifindex=12}) = 0 close(5) = 0 sendto(4, [{nlmsg_len=36, nlmsg_type=nl802154, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x0b\x00\x00\x00\x08\x00\x03\x00\x0c\x00\x00\x00\x06\x00\x0a\x00\xa1\xaa\x00\x00"], 36, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 36 recvfrom(4, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=5828}, {error=0, msg={nlmsg_len=36, nlmsg_type=nl802154, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 5 ioctl(5, SIOCGIFINDEX, {ifr_name="wpan1", ifr_ifindex=12}) = 0 close(5) = 0 sendto(3, [{nlmsg_len=44, nlmsg_type=RTM_NEWLINK, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, {ifi_family=AF_UNSPEC, ifi_type=ARPHRD_NETROM, ifi_index=if_nametoindex("wpan1"), ifi_flags=IFF_UP, ifi_change=0x1}, [{nla_len=12, nla_type=IFLA_ADDRESS}, 02:01:aa:aa:aa:aa:aa]], 44, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 44 recvfrom(3, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=5828}, {error=0, msg={nlmsg_len=44, nlmsg_type=RTM_NEWLINK, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 close(3) = 0 close(4) = 0 rt_sigaction(SIGRTMIN, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=0}, NULL, 8) = 0 rt_sigaction(SIGRT_1, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=0}, NULL, 8) = 0 rt_sigaction(SIGSEGV, {sa_handler=0x7f6a8037aef0, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7f6a80383660}, NULL, 8) = 0 rt_sigaction(SIGBUS, {sa_handler=0x7f6a8037aef0, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7f6a80383660}, NULL, 8) = 0 mkdir("./syzkaller.isWZ8W", 0700) = 0 chmod("./syzkaller.isWZ8W", 0777) = 0 chdir("./syzkaller.isWZ8W") = 0 unshare(CLONE_NEWPID) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5832 attached , child_tidptr=0x55556fed7750) = 5832 [pid 5832] set_robust_list(0x55556fed7760, 24) = 0 [pid 5832] socket(AF_BLUETOOTH, SOCK_RAW, BTPROTO_HCI) = 3 [pid 5832] openat(AT_FDCWD, "/dev/vhci", O_RDWR) = 4 [pid 5832] dup2(4, 202) = 202 [pid 5832] close(4) = 0 [pid 5832] write(202, "\xff\x00", 2) = 2 [pid 5832] read(202, "\xff\x00\x00\x00", 4) = 4 [pid 5832] rt_sigaction(SIGRT_1, {sa_handler=0x7f6a803e2b90, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6a80383660}, NULL, 8) = 0 [pid 5832] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5832] mmap(NULL, 8392704, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6a7fb69000 [pid 5832] mprotect(0x7f6a7fb6a000, 8388608, PROT_READ|PROT_WRITE) = 0 [pid 5832] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5832] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6a80369990, parent_tid=0x7f6a80369990, exit_signal=0, stack=0x7f6a7fb69000, stack_size=0x800240, tls=0x7f6a803696c0}./strace-static-x86_64: Process 5835 attached => {parent_tid=[2]}, 88) = 2 [pid 5835] rseq(0x7f6a80369fe0, 0x20, 0, 0x53053053 [pid 5832] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5832] ioctl(3, HCIDEVUP [pid 5835] <... rseq resumed>) = 0 [pid 5835] set_robust_list(0x7f6a803699a0, 24) = 0 [pid 5835] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5835] read(202, "\x01\x03\x0c\x00", 1024) = 4 [pid 5835] 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 5835] read(202, "\x01\x03\x10\x00", 1024) = 4 [pid 5835] 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 5835] read(202, "\x01\x01\x10\x00", 1024) = 4 [ 85.399713][ T5834] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 85.419148][ T5834] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [pid 5835] 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 5835] read(202, "\x01\x09\x10\x00", 1024) = 4 [pid 5835] 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 5835] read(202, "\x01\x05\x10\x00", 1024) = 4 [pid 5835] 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 [ 85.450193][ T5834] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [pid 5835] read(202, "\x01\x23\x0c\x00", 1024) = 4 [pid 5835] writev(202, [{iov_base="\x04", iov_len=1}, {iov_base="\x0e\xfc", iov_len=2}, {iov_base="\x01\x23\x0c", iov_len=3}, {iov_base="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=249}], 4) = 255 [pid 5835] read(202, "\x01\x14\x0c\x00", 1024) = 4 [pid 5835] 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 5835] read(202, "\x01\x25\x0c\x00", 1024) = 4 [pid 5835] 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 5835] read(202, "\x01\x38\x0c\x00", 1024) = 4 [pid 5835] 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 5835] read(202, "\x01\x39\x0c\x00", 1024) = 4 [pid 5835] 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 5835] read(202, "\x01\x16\x0c\x02\x00\x7d", 1024) = 6 [ 85.512115][ T5834] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 85.544510][ T5834] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 85.553179][ T5834] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [pid 5835] 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 5835] read(202, [pid 5832] <... ioctl resumed>, 0) = -1 EALREADY (Operation already in progress) [pid 5832] ioctl(3, HCISETSCAN [pid 5835] <... read resumed>"\x01\x1a\x0c\x01\x02", 1024) = 5 [pid 5835] 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 5835] rt_sigprocmask(SIG_BLOCK, ~[RT_1], NULL, 8) = 0 [pid 5835] madvise(0x7f6a7fb69000, 8372224, MADV_DONTNEED [pid 5832] <... ioctl resumed>, 0x7ffe545b8830) = 0 [pid 5835] <... madvise resumed>) = 0 [pid 5832] 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 [pid 5835] exit(0) = ? [pid 5832] <... writev resumed>) = 13 [pid 5832] 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 [pid 5835] +++ exited with 0 +++ [pid 5832] <... writev resumed>) = 14 [pid 5832] 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 5832] 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 5832] close(3) = 0 [pid 5832] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5832] getppid() = 0 [pid 5832] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5832] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5832] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5832] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5832] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5832] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5832] unshare(CLONE_NEWNS) = 0 [pid 5832] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5832] unshare(CLONE_NEWIPC) = 0 [pid 5832] unshare(CLONE_NEWCGROUP) = 0 [pid 5832] unshare(CLONE_NEWUTS) = 0 [pid 5832] unshare(CLONE_SYSVSEM) = 0 [pid 5832] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5832] write(3, "16777216", 8) = 8 [pid 5832] close(3) = 0 [pid 5832] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5832] write(3, "536870912", 9) = 9 [pid 5832] close(3) = 0 [pid 5832] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5832] write(3, "1024", 4) = 4 [pid 5832] close(3) = 0 [pid 5832] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5832] write(3, "8192", 4) = 4 [pid 5832] close(3) = 0 [pid 5832] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5832] write(3, "1024", 4) = 4 [pid 5832] close(3) = 0 [pid 5832] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5832] write(3, "1024", 4) = 4 [pid 5832] close(3) = 0 [pid 5832] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5832] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5832] close(3) = 0 [pid 5832] getpid() = 1 [pid 5832] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b 66 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 [ 87.589112][ T12] RSP: 0018:ffffc90000117a48 EFLAGS: 00010293 [ 87.595197][ T12] RAX: ffffffff824d6fb7 RBX: ffff888030d37080 RCX: ffff88801c685a00 [ 87.603277][ T12] RDX: 0000000000000000 RSI: ffffffff8c2aa440 RDI: ffff888030d37000 [ 87.611272][ T12] RBP: ffffc90000117b10 R08: ffffffff9451190f R09: 1ffffffff28a2321 [ 87.619270][ T12] R10: dffffc0000000000 R11: ffffffff824d6f60 R12: ffff88801b78b000 [ 87.627256][ T12] R13: ffffc90000117aa0 R14: ffff888030d37000 R15: ffff888030d37000 [ 87.635333][ T12] FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 87.644357][ T12] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 87.650975][ T12] CR2: 00007f6a80407d08 CR3: 0000000034f74000 CR4: 00000000003526f0 [ 87.658957][ T12] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 87.666930][ T12] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 87.674915][ T12] Call Trace: [ 87.678199][ T12] [ 87.681154][ T12] ? __die_body+0x5f/0xb0 [ 87.685513][ T12] ? die+0x9e/0xc0 [ 87.689254][ T12] ? do_trap+0x15a/0x3a0 [ 87.693512][ T12] ? dnotify_free_mark+0x58/0x60 [ 87.698458][ T12] ? do_error_trap+0x1dc/0x2c0 [ 87.703228][ T12] ? dnotify_free_mark+0x58/0x60 [ 87.708170][ T12] ? __pfx_do_error_trap+0x10/0x10 [ 87.713290][ T12] ? report_bug+0x3e8/0x500 [ 87.717812][ T12] ? handle_invalid_op+0x34/0x40 [ 87.722773][ T12] ? dnotify_free_mark+0x58/0x60 [ 87.727802][ T12] ? exc_invalid_op+0x38/0x50 [ 87.732493][ T12] ? asm_exc_invalid_op+0x1a/0x20 [ 87.737536][ T12] ? __pfx_dnotify_free_mark+0x10/0x10 [ 87.743011][ T12] ? dnotify_free_mark+0x57/0x60 [ 87.747957][ T12] ? dnotify_free_mark+0x58/0x60 [ 87.752902][ T12] ? dnotify_free_mark+0x57/0x60 [ 87.757877][ T12] fsnotify_mark_destroy_workfn+0x2cf/0x350 [ 87.763777][ T12] ? __pfx_fsnotify_mark_destroy_workfn+0x10/0x10 [ 87.770204][ T12] ? process_scheduled_works+0x9c6/0x18e0 [ 87.775930][ T12] process_scheduled_works+0xabe/0x18e0 [ 87.781577][ T12] ? __pfx_process_scheduled_works+0x10/0x10 [ 87.787566][ T12] ? assign_work+0x364/0x3d0 [ 87.792164][ T12] worker_thread+0x870/0xd30 [ 87.797286][ T12] ? __kthread_parkme+0x169/0x1d0 [ 87.802321][ T12] ? __pfx_worker_thread+0x10/0x10 [ 87.807444][ T12] kthread+0x7a9/0x920 [ 87.811534][ T12] ? __pfx_kthread+0x10/0x10 [ 87.816136][ T12] ? __pfx_worker_thread+0x10/0x10 [ 87.821427][ T12] ? __pfx_kthread+0x10/0x10 [ 87.826031][ T12] ? __pfx_kthread+0x10/0x10 [ 87.830632][ T12] ? __pfx_kthread+0x10/0x10 [ 87.835232][ T12] ? _raw_spin_unlock_irq+0x23/0x50 [ 87.840448][ T12] ? lockdep_hardirqs_on+0x99/0x150 [ 87.845654][ T12] ? __pfx_kthread+0x10/0x10 [ 87.850255][ T12] ret_from_fork+0x4b/0x80 [ 87.854693][ T12] ? __pfx_kthread+0x10/0x10 [ 87.859323][ T12] ret_from_fork_asm+0x1a/0x30 [ 87.864102][ T12] [pid 5832] +++ exited with 1 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5832, si_uid=0, si_status=1, si_utime=0, si_stime=28 /* 0.28 s */} --- exit_group(0) = ? +++ exited with 0 +++ [ 87.867130][ T12] Modules linked in: [ 87.871530][ T12] ---[ end trace 0000000000000000 ]--- [ 87.890264][ T12] RIP: 0010:dnotify_free_mark+0x58/0x60 [ 87.896000][ T12] Code: 89 df e8 eb 00 d9 ff 48 83 3b 00 75 17 e8 00 4e 74 ff 48 8b 3d f9 58 06 0c 4c 89 f6 5b 41 5e e9 ae ab cd ff e8 e9 4d 74 ff 90 <0f> 0b 66 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 [ 87.916323