./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3048406205 <...> forked to background, child pid 3190 no interfaces have a carrier [ 26.375441][ T3191] 8021q: adding VLAN 0 to HW filter on device bond0 [ 26.378809][ T3191] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.1.53' (ECDSA) to the list of known hosts. execve("./syz-executor3048406205", ["./syz-executor3048406205"], 0x7ffd3aefad60 /* 10 vars */) = 0 brk(NULL) = 0x555555bfe000 brk(0x555555bfec40) = 0x555555bfec40 arch_prctl(ARCH_SET_FS, 0x555555bfe300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 set_tid_address(0x555555bfe5d0) = 3611 set_robust_list(0x555555bfe5e0, 24) = 0 rt_sigaction(SIGRTMIN, {sa_handler=0x7fae52d6e720, sa_mask=[], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x7fae52d6edf0}, NULL, 8) = 0 rt_sigaction(SIGRT_1, {sa_handler=0x7fae52d6e7c0, sa_mask=[], sa_flags=SA_RESTORER|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fae52d6edf0}, NULL, 8) = 0 rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3048406205", 4096) = 28 brk(0x555555c1fc40) = 0x555555c1fc40 brk(0x555555c20000) = 0x555555c20000 mprotect(0x7fae52e30000, 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 3612 attached , child_tidptr=0x555555bfe5d0) = 3612 [pid 3612] set_robust_list(0x555555bfe5e0, 24) = 0 [pid 3612] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 3612] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3612] setsid() = 1 [pid 3612] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 3612] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 3612] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 3612] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 3612] prlimit64(0, RLIMIT_CORE, {rlim_cur=0, rlim_max=0}, NULL) = 0 [pid 3612] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 3612] unshare(CLONE_NEWNS) = 0 [pid 3612] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 3612] unshare(CLONE_NEWIPC) = 0 [pid 3612] unshare(CLONE_NEWCGROUP) = 0 [pid 3612] unshare(CLONE_NEWUTS) = 0 [pid 3612] unshare(CLONE_SYSVSEM) = 0 [pid 3612] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3612] write(3, "16777216", 8) = 8 [pid 3612] close(3) = 0 [pid 3612] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 3612] write(3, "536870912", 9) = 9 [pid 3612] close(3) = 0 [pid 3612] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3612] write(3, "1024", 4) = 4 [pid 3612] close(3) = 0 [pid 3612] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3612] write(3, "8192", 4) = 4 [pid 3612] close(3) = 0 [pid 3612] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3612] write(3, "1024", 4) = 4 [pid 3612] close(3) = 0 [pid 3612] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 3612] write(3, "1024", 4) = 4 [pid 3612] close(3) = 0 [pid 3612] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 3612] write(3, "1024 1048576 500 1024", 21) = 21 [pid 3612] close(3) = 0 [pid 3612] getpid() = 1 [pid 3612] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 3629] set_robust_list(0x7fae52d5b9e0, 24 [pid 3628] <... futex resumed>) = 0 [pid 3628] futex(0x7fae52e364ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3629] <... set_robust_list resumed>) = 0 [pid 3629] openat(AT_FDCWD, "/dev/net/tun", O_RDONLY) = 3 [pid 3629] futex(0x7fae52e364ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3628] <... futex resumed>) = 0 [pid 3628] futex(0x7fae52e364e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3629] ioctl(3, TUNSETIFF, 0x20000200 [pid 3628] <... futex resumed>) = 0 [pid 3629] <... ioctl resumed>) = 0 [pid 3628] futex(0x7fae52e364ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3629] futex(0x7fae52e364ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3628] <... futex resumed>) = 0 [pid 3628] futex(0x7fae52e364e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3628] futex(0x7fae52e364ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3629] <... futex resumed>) = 1 [pid 3629] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 4 [pid 3629] futex(0x7fae52e364ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3628] <... futex resumed>) = 0 [pid 3628] futex(0x7fae52e364e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3628] futex(0x7fae52e364ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3629] <... futex resumed>) = 1 [pid 3629] socket(AF_PACKET, SOCK_DGRAM, htons(ETH_P_ALL)) = 5 [pid 3629] futex(0x7fae52e364ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3628] <... futex resumed>) = 0 [pid 3628] futex(0x7fae52e364e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3628] futex(0x7fae52e364ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3629] <... futex resumed>) = 1 [pid 3629] ioctl(5, SIOCGIFINDEX, {ifr_name="rose0", ifr_ifindex=69}) = 0 [pid 3629] futex(0x7fae52e364ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3628] <... futex resumed>) = 0 [pid 3628] futex(0x7fae52e364e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3629] <... futex resumed>) = 1 [pid 3628] <... futex resumed>) = 0 [pid 3629] ioctl(3, TUNSETQUEUE, 0x20000340 [pid 3628] futex(0x7fae52e364ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3629] <... ioctl resumed>) = 0 [pid 3629] futex(0x7fae52e364ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3628] <... futex resumed>) = 0 [pid 3629] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x34\x00\x00\x00\x11\x00\x01\xe9\x0d\x7d\x1f\xc7\x4e\x1b\xed\x42\xec\x45\xb2\xfc\x45\x00\x00\x00\x00\x00\x00\x00\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=52}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3628] futex(0x7fae52e364e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3628] futex(0x7fae52e364ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3629] <... sendmsg resumed>) = 52 [pid 3629] futex(0x7fae52e364ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3628] <... futex resumed>) = 0 [pid 3628] futex(0x7fae52e364e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3628] futex(0x7fae52e364ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3629] <... futex resumed>) = 1 [pid 3629] close(3) = 0 [pid 3629] futex(0x7fae52e364ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3628] <... futex resumed>) = 0 [pid 3629] futex(0x7fae52e364e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3628] close(3) = -1 EBADF (Bad file descriptor) [pid 3628] close(4) = 0 [pid 3628] close(5) = 0 [pid 3628] close(6) = -1 EBADF (Bad file descriptor) [pid 3628] close(7) = -1 EBADF (Bad file descriptor) [pid 3628] close(8) = -1 EBADF (Bad file descriptor) [pid 3628] close(9) = -1 EBADF (Bad file descriptor) [pid 3628] close(10) = -1 EBADF (Bad file descriptor) [pid 3628] close(11) = -1 EBADF (Bad file descriptor) [pid 3628] close(12) = -1 EBADF (Bad file descriptor) [pid 3628] close(13) = -1 EBADF (Bad file descriptor) [pid 3628] close(14) = -1 EBADF (Bad file descriptor) [pid 3628] close(15) = -1 EBADF (Bad file descriptor) [pid 3628] close(16) = -1 EBADF (Bad file descriptor) [pid 3628] close(17) = -1 EBADF (Bad file descriptor) [pid 3628] close(18) = -1 EBADF (Bad file descriptor) [pid 3628] close(19) = -1 EBADF (Bad file descriptor) [pid 3628] close(20) = -1 EBADF (Bad file descriptor) [pid 3628] close(21) = -1 EBADF (Bad file descriptor) [pid 3628] close(22) = -1 EBADF (Bad file descriptor) [pid 3628] close(23) = -1 EBADF (Bad file descriptor) [pid 3628] close(24) = -1 EBADF (Bad file descriptor) [pid 3628] close(25) = -1 EBADF (Bad file descriptor) [pid 3628] close(26) = -1 EBADF (Bad file descriptor) [pid 3628] close(27) = -1 EBADF (Bad file descriptor) [pid 3628] close(28) = -1 EBADF (Bad file descriptor) [pid 3628] close(29) = -1 EBADF (Bad file descriptor) [pid 3628] exit_group(0 [pid 3629] <... futex resumed>) = ? [pid 3628] <... exit_group resumed>) = ? [pid 3629] +++ exited with 0 +++ [pid 3628] +++ exited with 0 +++ [pid 3612] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3612] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3630 attached , child_tidptr=0x555555bfe5d0) = 4 [pid 3630] set_robust_list(0x555555bfe5e0, 24) = 0 [pid 3630] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3630] setpgid(0, 0) = 0 [pid 3630] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3630] write(3, "1000", 4) = 4 [pid 3630] close(3) = 0 [pid 3630] futex(0x7fae52e364ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3630] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fae52d3b000 [pid 3630] mprotect(0x7fae52d3c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3630] clone(child_stack=0x7fae52d5b3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 3631 attached , parent_tid=[5], tls=0x7fae52d5b700, child_tidptr=0x7fae52d5b9d0) = 5 [pid 3630] futex(0x7fae52e364e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3630] futex(0x7fae52e364ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3631] set_robust_list(0x7fae52d5b9e0, 24) = 0 [ 47.651700][ T3629] netlink: 20 bytes leftover after parsing attributes in process `syz-executor304'. [pid 3631] openat(AT_FDCWD, "/dev/net/tun", O_RDONLY) = 3 [pid 3631] futex(0x7fae52e364ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3630] <... futex resumed>) = 0 [pid 3631] ioctl(3, TUNSETIFF, 0x20000200 [pid 3630] futex(0x7fae52e364e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3631] <... ioctl resumed>) = 0 [pid 3630] <... futex resumed>) = 0 [pid 3630] futex(0x7fae52e364ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3631] futex(0x7fae52e364ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3630] <... futex resumed>) = 0 [pid 3630] futex(0x7fae52e364e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3630] futex(0x7fae52e364ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3631] <... futex resumed>) = 1 [pid 3631] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 4 [pid 3631] futex(0x7fae52e364ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3630] <... futex resumed>) = 0 [pid 3630] futex(0x7fae52e364e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3631] socket(AF_PACKET, SOCK_DGRAM, htons(ETH_P_ALL) [pid 3630] <... futex resumed>) = 0 [pid 3630] futex(0x7fae52e364ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3631] <... socket resumed>) = 5 [pid 3631] futex(0x7fae52e364ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3630] <... futex resumed>) = 0 [pid 3631] futex(0x7fae52e364e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3630] futex(0x7fae52e364e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3631] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3630] <... futex resumed>) = 0 [pid 3631] ioctl(5, SIOCGIFINDEX, {ifr_name="rose0" [pid 3630] futex(0x7fae52e364ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3631] <... ioctl resumed>, ifr_ifindex=70}) = 0 [pid 3631] futex(0x7fae52e364ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3630] <... futex resumed>) = 0 [pid 3631] futex(0x7fae52e364e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3630] futex(0x7fae52e364e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3631] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3630] <... futex resumed>) = 0 [pid 3631] ioctl(3, TUNSETQUEUE, 0x20000340 [pid 3630] futex(0x7fae52e364ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3631] <... ioctl resumed>) = 0 [pid 3631] futex(0x7fae52e364ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3630] <... futex resumed>) = 0 [pid 3631] futex(0x7fae52e364e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3630] futex(0x7fae52e364e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3631] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3631] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x34\x00\x00\x00\x11\x00\x01\xe9\x0d\x7d\x1f\xc7\x4e\x1b\xed\x42\xec\x45\xb2\xfc\x46\x00\x00\x00\x00\x00\x00\x00\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=52}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3630] <... futex resumed>) = 0 [pid 3630] futex(0x7fae52e364ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3631] <... sendmsg resumed>) = 52 [pid 3631] futex(0x7fae52e364ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3630] <... futex resumed>) = 0 [pid 3631] futex(0x7fae52e364e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3630] futex(0x7fae52e364e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3631] <... futex resumed>) = 0 [pid 3630] <... futex resumed>) = 1 [pid 3631] close(3 [pid 3630] futex(0x7fae52e364ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3631] <... close resumed>) = 0 [pid 3631] futex(0x7fae52e364ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3630] <... futex resumed>) = 0 [pid 3631] futex(0x7fae52e364e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3630] close(3) = -1 EBADF (Bad file descriptor) [pid 3630] close(4) = 0 [pid 3630] close(5) = 0 [pid 3630] close(6) = -1 EBADF (Bad file descriptor) [pid 3630] close(7) = -1 EBADF (Bad file descriptor) [pid 3630] close(8) = -1 EBADF (Bad file descriptor) [pid 3630] close(9) = -1 EBADF (Bad file descriptor) [pid 3630] close(10) = -1 EBADF (Bad file descriptor) [pid 3630] close(11) = -1 EBADF (Bad file descriptor) [pid 3630] close(12) = -1 EBADF (Bad file descriptor) [pid 3630] close(13) = -1 EBADF (Bad file descriptor) [pid 3630] close(14) = -1 EBADF (Bad file descriptor) [pid 3630] close(15) = -1 EBADF (Bad file descriptor) [pid 3630] close(16) = -1 EBADF (Bad file descriptor) [pid 3630] close(17) = -1 EBADF (Bad file descriptor) [pid 3630] close(18) = -1 EBADF (Bad file descriptor) [pid 3630] close(19) = -1 EBADF (Bad file descriptor) [pid 3630] close(20) = -1 EBADF (Bad file descriptor) [pid 3630] close(21) = -1 EBADF (Bad file descriptor) [pid 3630] close(22) = -1 EBADF (Bad file descriptor) [pid 3630] close(23) = -1 EBADF (Bad file descriptor) [pid 3630] close(24) = -1 EBADF (Bad file descriptor) [pid 3630] close(25) = -1 EBADF (Bad file descriptor) [pid 3630] close(26) = -1 EBADF (Bad file descriptor) [pid 3630] close(27) = -1 EBADF (Bad file descriptor) [pid 3630] close(28) = -1 EBADF (Bad file descriptor) [pid 3630] close(29) = -1 EBADF (Bad file descriptor) [pid 3630] exit_group(0) = ? [pid 3631] <... futex resumed>) = ? [pid 3631] +++ exited with 0 +++ [pid 3630] +++ exited with 0 +++ [pid 3612] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3612] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bfe5d0) = 6 ./strace-static-x86_64: Process 3632 attached [pid 3632] set_robust_list(0x555555bfe5e0, 24) = 0 [pid 3632] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3632] setpgid(0, 0) = 0 [pid 3632] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3632] write(3, "1000", 4) = 4 [pid 3632] close(3) = 0 [pid 3632] futex(0x7fae52e364ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3632] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fae52d3b000 [ 47.732217][ T3631] netlink: 20 bytes leftover after parsing attributes in process `syz-executor304'. [pid 3632] mprotect(0x7fae52d3c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3632] clone(child_stack=0x7fae52d5b3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 3633 attached , parent_tid=[7], tls=0x7fae52d5b700, child_tidptr=0x7fae52d5b9d0) = 7 [pid 3632] futex(0x7fae52e364e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3632] futex(0x7fae52e364ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3633] set_robust_list(0x7fae52d5b9e0, 24) = 0 [pid 3633] openat(AT_FDCWD, "/dev/net/tun", O_RDONLY) = 3 [pid 3633] futex(0x7fae52e364ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3632] <... futex resumed>) = 0 [pid 3632] futex(0x7fae52e364e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3632] futex(0x7fae52e364ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3633] ioctl(3, TUNSETIFF, 0x20000200) = 0 [pid 3633] futex(0x7fae52e364ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3632] <... futex resumed>) = 0 [pid 3632] futex(0x7fae52e364e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3632] futex(0x7fae52e364ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3633] <... futex resumed>) = 1 [pid 3633] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 4 [pid 3633] futex(0x7fae52e364ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3632] <... futex resumed>) = 0 [pid 3632] futex(0x7fae52e364e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3632] futex(0x7fae52e364ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3633] <... futex resumed>) = 1 [pid 3633] socket(AF_PACKET, SOCK_DGRAM, htons(ETH_P_ALL)) = 5 [pid 3633] futex(0x7fae52e364ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3632] <... futex resumed>) = 0 [pid 3632] futex(0x7fae52e364e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3632] futex(0x7fae52e364ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3633] ioctl(5, SIOCGIFINDEX, {ifr_name="rose0", ifr_ifindex=71}) = 0 [pid 3633] futex(0x7fae52e364ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3632] <... futex resumed>) = 0 [pid 3632] futex(0x7fae52e364e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3633] ioctl(3, TUNSETQUEUE, 0x20000340 [pid 3632] futex(0x7fae52e364ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3633] <... ioctl resumed>) = 0 [pid 3633] futex(0x7fae52e364ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3632] <... futex resumed>) = 0 [pid 3633] futex(0x7fae52e364e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3632] futex(0x7fae52e364e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3633] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3632] <... futex resumed>) = 0 [pid 3633] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x34\x00\x00\x00\x11\x00\x01\xe9\x0d\x7d\x1f\xc7\x4e\x1b\xed\x42\xec\x45\xb2\xfc\x47\x00\x00\x00\x00\x00\x00\x00\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=52}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3632] futex(0x7fae52e364ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 3632] futex(0x7fae52e364ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 3632] futex(0x7fae52e364ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 3632] futex(0x7fae52e364fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3632] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fae52d1a000 [pid 3632] mprotect(0x7fae52d1b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3632] clone(child_stack=0x7fae52d3a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8], tls=0x7fae52d3a700, child_tidptr=0x7fae52d3a9d0) = 8 [pid 3632] futex(0x7fae52e364f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3632] futex(0x7fae52e364fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3634 attached [pid 3634] set_robust_list(0x7fae52d3a9e0, 24) = 0 [pid 3634] close(3) = 0 [pid 3634] futex(0x7fae52e364fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3632] <... futex resumed>) = 0 [pid 3634] <... futex resumed>) = 1 [ 47.829335][ T3633] netlink: 20 bytes leftover after parsing attributes in process `syz-executor304'. [ 47.897077][ T3633] ================================================================== [ 47.897086][ T3633] BUG: KASAN: use-after-free in free_netdev+0x58c/0x620 [ 47.897117][ T3633] Read of size 8 at addr ffff88807e9de738 by task syz-executor304/3633 [ 47.897128][ T3633] [ 47.897132][ T3633] CPU: 1 PID: 3633 Comm: syz-executor304 Not tainted 5.19.0-rc2-syzkaller-00103-gb4a028c4d031 #0 [ 47.897151][ T3633] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.897158][ T3633] Call Trace: [ 47.897162][ T3633] [ 47.897167][ T3633] dump_stack_lvl+0xcd/0x134 [ 47.897182][ T3633] print_address_description.constprop.0.cold+0xeb/0x495 [ 47.897199][ T3633] ? free_netdev+0x58c/0x620 [ 47.897211][ T3633] kasan_report.cold+0xf4/0x1c6 [ 47.897224][ T3633] ? free_netdev+0x58c/0x620 [ 47.897237][ T3633] free_netdev+0x58c/0x620 [ 47.897251][ T3633] netdev_run_todo+0xb48/0x10f0 [ 47.897263][ T3633] ? mutex_lock_io_nested+0x1190/0x1190 [ 47.897276][ T3633] ? generic_xdp_install+0x4a0/0x4a0 [ 47.897287][ T3633] ? rtnetlink_rcv_msg+0x3af/0xc90 [ 47.897302][ T3633] ? lock_downgrade+0x6e0/0x6e0 [ 47.897318][ T3633] ? bpf_lsm_capable+0x5/0x10 [ 47.897334][ T3633] ? rtnl_dellinkprop+0x50/0x50 [ 47.897348][ T3633] rtnetlink_rcv_msg+0x447/0xc90 [ 47.897364][ T3633] ? rtnl_fdb_dump+0x9a0/0x9a0 [ 47.897377][ T3633] ? netdev_core_pick_tx+0x2e0/0x2e0 [ 47.897399][ T3633] ? ref_tracker_free+0x370/0x6b0 [ 47.897424][ T3633] ? ref_tracker_dir_exit+0x3e0/0x3e0 [ 47.897449][ T3633] netlink_rcv_skb+0x153/0x420 [ 47.897471][ T3633] ? rtnl_fdb_dump+0x9a0/0x9a0 [ 47.897497][ T3633] ? netlink_ack+0xa80/0xa80 [ 47.897516][ T3633] ? netlink_deliver_tap+0x1a2/0xc40 [ 47.897539][ T3633] ? netlink_deliver_tap+0x1b1/0xc40 [ 47.897564][ T3633] netlink_unicast+0x543/0x7f0 [ 47.897587][ T3633] ? netlink_attachskb+0x880/0x880 [ 47.897608][ T3633] ? __virt_addr_valid+0x5d/0x2d0 [ 47.897635][ T3633] ? __phys_addr_symbol+0x2c/0x70 [ 47.897660][ T3633] ? __check_object_size+0x2de/0x700 [ 47.897685][ T3633] netlink_sendmsg+0x917/0xe10 [ 47.897709][ T3633] ? netlink_unicast+0x7f0/0x7f0 [ 47.897733][ T3633] ? bpf_lsm_socket_sendmsg+0x5/0x10 [ 47.897757][ T3633] ? netlink_unicast+0x7f0/0x7f0 [ 47.897778][ T3633] sock_sendmsg+0xcf/0x120 [ 47.897805][ T3633] ____sys_sendmsg+0x6eb/0x810 [ 47.897832][ T3633] ? kernel_sendmsg+0x50/0x50 [ 47.897857][ T3633] ? do_recvmmsg+0x6d0/0x6d0 [ 47.897879][ T3633] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 47.897905][ T3633] ? lockdep_hardirqs_on+0x79/0x100 [ 47.897930][ T3633] ___sys_sendmsg+0xf3/0x170 [ 47.897952][ T3633] ? sendmsg_copy_msghdr+0x160/0x160 [ 47.897976][ T3633] ? __fget_files+0x248/0x440 [ 47.898000][ T3633] ? lock_downgrade+0x6e0/0x6e0 [ 47.898028][ T3633] ? ptrace_stop.part.0+0x5ec/0xa80 [ 47.898053][ T3633] ? __fget_files+0x26a/0x440 [ 47.898080][ T3633] ? __fget_light+0xe5/0x270 [ 47.898106][ T3633] __x64_sys_sendmsg+0x132/0x220 [ 47.898127][ T3633] ? __sys_sendmsg+0x1b0/0x1b0 [ 47.898143][ T3633] ? _raw_spin_unlock_irq+0x2a/0x40 [ 47.898169][ T3633] ? ptrace_notify+0xfa/0x140 [ 47.898181][ T3633] do_syscall_64+0x35/0xb0 [ 47.898195][ T3633] entry_SYSCALL_64_after_hwframe+0x46/0xb0 [ 47.898210][ T3633] RIP: 0033:0x7fae52dad6e9 [ 47.898220][ T3633] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 15 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 b8 ff ff ff f7 d8 64 89 01 48 [ 47.898233][ T3633] RSP: 002b:00007fae52d5b308 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 47.898246][ T3633] RAX: ffffffffffffffda RBX: 00007fae52e364e8 RCX: 00007fae52dad6e9 [ 47.898255][ T3633] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000004 [ 47.898262][ T3633] RBP: 00007fae52e364e0 R08: 0000000000000000 R09: 0000000000000000 [ 47.898270][ T3633] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fae52e364ec [ 47.898278][ T3633] R13: 00007fae52e03494 R14: 74656e2f7665642f R15: 0000000000022000 [ 47.898290][ T3633] [ 47.898294][ T3633] [ 47.898297][ T3633] Allocated by task 3633: [ 47.898302][ T3633] kasan_save_stack+0x1e/0x40 [ 47.898313][ T3633] __kasan_kmalloc+0xa9/0xd0 [ 47.898322][ T3633] sk_prot_alloc+0x110/0x290 [ 47.898333][ T3633] sk_alloc+0x36/0x770 [ 47.898345][ T3633] tun_chr_open+0x7b/0x540 [ 47.898355][ T3633] misc_open+0x376/0x4a0 [ 47.898367][ T3633] chrdev_open+0x266/0x770 [ 47.898378][ T3633] do_dentry_open+0x4a1/0x11f0 [ 47.898389][ T3633] path_openat+0x1c71/0x2910 [ 47.898400][ T3633] do_filp_open+0x1aa/0x400 [ 47.898410][ T3633] do_sys_openat2+0x16d/0x4c0 [ 47.898422][ T3633] __x64_sys_openat+0x13f/0x1f0 [ 47.898434][ T3633] do_syscall_64+0x35/0xb0 [ 47.898446][ T3633] entry_SYSCALL_64_after_hwframe+0x46/0xb0 [ 47.898458][ T3633] [ 47.898460][ T3633] Freed by task 3634: [ 47.898465][ T3633] kasan_save_stack+0x1e/0x40 [ 47.898474][ T3633] kasan_set_track+0x21/0x30 [ 47.898484][ T3633] kasan_set_free_info+0x20/0x30 [ 47.898495][ T3633] ____kasan_slab_free+0x166/0x1a0 [ 47.898505][ T3633] slab_free_freelist_hook+0x8b/0x1c0 [ 47.898518][ T3633] kfree+0xd6/0x4d0 [ 47.898529][ T3633] __sk_destruct+0x5e5/0x710 [ 47.898541][ T3633] __sk_free+0x1a4/0x4a0 [ 47.898551][ T3633] sk_free+0x78/0xa0 [ 47.898562][ T3633] __tun_detach+0xdb7/0x13e0 [ 47.898572][ T3633] tun_chr_close+0x15c/0x180 [ 47.898581][ T3633] __fput+0x277/0x9d0 [ 47.898590][ T3633] task_work_run+0xdd/0x1a0 [ 47.898602][ T3633] ptrace_notify+0x114/0x140 [ 47.898612][ T3633] syscall_exit_to_user_mode_prepare+0xdb/0x230 [ 47.898624][ T3633] syscall_exit_to_user_mode+0x9/0x50 [ 47.898635][ T3633] do_syscall_64+0x42/0xb0 [ 47.898647][ T3633] entry_SYSCALL_64_after_hwframe+0x46/0xb0 [ 47.898659][ T3633] [ 47.898661][ T3633] The buggy address belongs to the object at ffff88807e9de000 [ 47.898661][ T3633] which belongs to the cache kmalloc-4k of size 4096 [ 47.898670][ T3633] The buggy address is located 1848 bytes inside of [ 47.898670][ T3633] 4096-byte region [ffff88807e9de000, ffff88807e9df000) [ 47.898681][ T3633] [ 47.898683][ T3633] The buggy address belongs to the physical page: [ 47.898687][ T3633] page:ffffea0001fa7600 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x7e9d8 [ 47.898701][ T3633] head:ffffea0001fa7600 order:3 compound_mapcount:0 compound_pincount:0 [ 47.898710][ T3633] flags: 0xfff00000010200(slab|head|node=0|zone=1|lastcpupid=0x7ff) [ 47.898728][ T3633] raw: 00fff00000010200 dead000000000100 dead000000000122 ffff888011842140 [ 47.898739][ T3633] raw: 0000000000000000 0000000000040004 00000001ffffffff 0000000000000000 [ 47.898745][ T3633] page dumped because: kasan: bad access detected [ 47.898749][ T3633] page_owner tracks the page as allocated [ 47.898753][ T3633] page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd2040(__GFP_IO|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 2984, tgid 2984 (udevd), ts 16101031779, free_ts 16095933951 [ 47.898774][ T3633] get_page_from_freelist+0x1290/0x3b70 [ 47.898787][ T3633] __alloc_pages+0x1c7/0x510 [ 47.898797][ T3633] alloc_pages+0x1aa/0x310 [ 47.898806][ T3633] allocate_slab+0x26c/0x3c0 [ 47.898818][ T3633] ___slab_alloc+0x985/0xd90 [ 47.898830][ T3633] __slab_alloc.constprop.0+0x4d/0xa0 [ 47.898843][ T3633] __kmalloc+0x318/0x350 [ 47.898854][ T3633] tomoyo_realpath_from_path+0xc3/0x620 [ 47.898869][ T3633] tomoyo_check_open_permission+0x272/0x380 [ 47.898882][ T3633] tomoyo_file_open+0x9d/0xc0 [ 47.898892][ T3633] security_file_open+0x45/0xb0 [ 47.898906][ T3633] do_dentry_open+0x349/0x11f0 [ 47.898924][ T3633] path_openat+0x1c71/0x2910 [ 47.898942][ T3633] do_filp_open+0x1aa/0x400 [ 47.898960][ T3633] do_sys_openat2+0x16d/0x4c0 [ 47.898980][ T3633] __x64_sys_openat+0x13f/0x1f0 [ 47.899001][ T3633] page last free stack trace: [ 47.899006][ T3633] free_pcp_prepare+0x549/0xd20 [ 47.899025][ T3633] free_unref_page+0x19/0x6a0 [ 47.899044][ T3633] __unfreeze_partials+0x17c/0x1a0 [ 47.899067][ T3633] qlist_free_all+0x6a/0x170 [ 47.899086][ T3633] kasan_quarantine_reduce+0x180/0x200 [ 47.899108][ T3633] __kasan_slab_alloc+0xa2/0xc0 [ 47.899126][ T3633] kmem_cache_alloc_lru+0x31a/0x720 [ 47.899156][ T3633] __d_alloc+0x32/0x960 [ 47.899173][ T3633] d_alloc+0x4a/0x230 [ 47.899188][ T3633] d_alloc_parallel+0xe7/0x1af0 [ 47.899207][ T3633] __lookup_slow+0x193/0x480 [ 47.899225][ T3633] walk_component+0x40f/0x6a0 [ 47.899244][ T3633] path_lookupat+0x1bb/0x860 [ 47.899263][ T3633] filename_lookup+0x1c6/0x590 [ 47.899282][ T3633] vfs_statx+0x148/0x390 [ 47.899302][ T3633] vfs_fstatat+0x8c/0xb0 [ 47.899323][ T3633] [ 47.899326][ T3633] Memory state around the buggy address: [ 47.899335][ T3633] ffff88807e9de600: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 47.899350][ T3633] ffff88807e9de680: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 47.899364][ T3633] >ffff88807e9de700: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 47.899374][ T3633] ^ [ 47.899384][ T3633] ffff88807e9de780: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 47.899398][ T3633] ffff88807e9de800: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 47.899409][ T3633] ================================================================== [ 47.899417][ T3633] Kernel panic - not syncing: panic_on_warn set ... [ 48.785216][ T3633] CPU: 1 PID: 3633 Comm: syz-executor304 Not tainted 5.19.0-rc2-syzkaller-00103-gb4a028c4d031 #0 [ 48.795745][ T3633] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.805984][ T3633] Call Trace: [ 48.809264][ T3633] [ 48.812195][ T3633] dump_stack_lvl+0xcd/0x134 [ 48.816795][ T3633] panic+0x2d7/0x636 [ 48.820705][ T3633] ? panic_print_sys_info.part.0+0x10b/0x10b [ 48.826696][ T3633] ? free_netdev+0x58c/0x620 [ 48.831304][ T3633] ? free_netdev+0x58c/0x620 [ 48.836011][ T3633] end_report.part.0+0x3f/0x7c [ 48.840786][ T3633] kasan_report.cold+0x93/0x1c6 [ 48.845654][ T3633] ? free_netdev+0x58c/0x620 [ 48.850251][ T3633] free_netdev+0x58c/0x620 [ 48.854673][ T3633] netdev_run_todo+0xb48/0x10f0 [ 48.859525][ T3633] ? mutex_lock_io_nested+0x1190/0x1190 [ 48.865089][ T3633] ? generic_xdp_install+0x4a0/0x4a0 [ 48.870383][ T3633] ? rtnetlink_rcv_msg+0x3af/0xc90 [ 48.875512][ T3633] ? lock_downgrade+0x6e0/0x6e0 [ 48.880370][ T3633] ? bpf_lsm_capable+0x5/0x10 [ 48.885055][ T3633] ? rtnl_dellinkprop+0x50/0x50 [ 48.889914][ T3633] rtnetlink_rcv_msg+0x447/0xc90 [ 48.894860][ T3633] ? rtnl_fdb_dump+0x9a0/0x9a0 [ 48.899807][ T3633] ? netdev_core_pick_tx+0x2e0/0x2e0 [ 48.905117][ T3633] ? ref_tracker_free+0x370/0x6b0 [ 48.910152][ T3633] ? ref_tracker_dir_exit+0x3e0/0x3e0 [ 48.915532][ T3633] netlink_rcv_skb+0x153/0x420 [ 48.920321][ T3633] ? rtnl_fdb_dump+0x9a0/0x9a0 [ 48.925091][ T3633] ? netlink_ack+0xa80/0xa80 [ 48.929682][ T3633] ? netlink_deliver_tap+0x1a2/0xc40 [ 48.934977][ T3633] ? netlink_deliver_tap+0x1b1/0xc40 [ 48.940270][ T3633] netlink_unicast+0x543/0x7f0 [ 48.945052][ T3633] ? netlink_attachskb+0x880/0x880 [ 48.950166][ T3633] ? __virt_addr_valid+0x5d/0x2d0 [ 48.955224][ T3633] ? __phys_addr_symbol+0x2c/0x70 [ 48.960427][ T3633] ? __check_object_size+0x2de/0x700 [ 48.965741][ T3633] netlink_sendmsg+0x917/0xe10 [ 48.970525][ T3633] ? netlink_unicast+0x7f0/0x7f0 [ 48.975472][ T3633] ? bpf_lsm_socket_sendmsg+0x5/0x10 [ 48.980762][ T3633] ? netlink_unicast+0x7f0/0x7f0 [ 48.985723][ T3633] sock_sendmsg+0xcf/0x120 [ 48.990168][ T3633] ____sys_sendmsg+0x6eb/0x810 [ 48.994978][ T3633] ? kernel_sendmsg+0x50/0x50 [ 48.999672][ T3633] ? do_recvmmsg+0x6d0/0x6d0 [ 49.004273][ T3633] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 49.010281][ T3633] ? lockdep_hardirqs_on+0x79/0x100 [ 49.015493][ T3633] ___sys_sendmsg+0xf3/0x170 [ 49.020117][ T3633] ? sendmsg_copy_msghdr+0x160/0x160 [ 49.025599][ T3633] ? __fget_files+0x248/0x440 [ 49.030289][ T3633] ? lock_downgrade+0x6e0/0x6e0 [ 49.035165][ T3633] ? ptrace_stop.part.0+0x5ec/0xa80 [ 49.040455][ T3633] ? __fget_files+0x26a/0x440 [ 49.045140][ T3633] ? __fget_light+0xe5/0x270 [ 49.049737][ T3633] __x64_sys_sendmsg+0x132/0x220 [ 49.054702][ T3633] ? __sys_sendmsg+0x1b0/0x1b0 [ 49.059478][ T3633] ? _raw_spin_unlock_irq+0x2a/0x40 [ 49.064680][ T3633] ? ptrace_notify+0xfa/0x140 [ 49.069376][ T3633] do_syscall_64+0x35/0xb0 [ 49.073807][ T3633] entry_SYSCALL_64_after_hwframe+0x46/0xb0 [ 49.079721][ T3633] RIP: 0033:0x7fae52dad6e9 [ 49.084143][ T3633] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 15 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 b8 ff ff ff f7 d8 64 89 01 48 [ 49.103948][ T3633] RSP: 002b:00007fae52d5b308 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 49.112566][ T3633] RAX: ffffffffffffffda RBX: 00007fae52e364e8 RCX: 00007fae52dad6e9 [ 49.120628][ T3633] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000004 [ 49.128598][ T3633] RBP: 00007fae52e364e0 R08: 0000000000000000 R09: 0000000000000000 [ 49.136579][ T3633] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fae52e364ec [ 49.144553][ T3633] R13: 00007fae52e03494 R14: 74656e2f7665642f R15: 0000000000022000 [ 49.152623][ T3633] [ 49.155862][ T3633] Kernel Offset: disabled [ 49.160237][ T3633] Rebooting in 86400 seconds..