./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor738735598

<...>
Warning: Permanently added '10.128.1.195' (ED25519) to the list of known hosts.
execve("./syz-executor738735598", ["./syz-executor738735598"], 0x7ffddbdee3b0 /* 10 vars */) = 0
brk(NULL)                               = 0x55557d686000
brk(0x55557d686d40)                     = 0x55557d686d40
arch_prctl(ARCH_SET_FS, 0x55557d6863c0) = 0
set_tid_address(0x55557d686690)         = 5811
set_robust_list(0x55557d6866a0, 24)     = 0
rseq(0x55557d686ce0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor738735598", 4096) = 27
getrandom("\x28\x1a\x25\x3c\x0c\xd6\xe4\x53", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x55557d686d40
brk(0x55557d6a7d40)                     = 0x55557d6a7d40
brk(0x55557d6a8000)                     = 0x55557d6a8000
mprotect(0x7f3eec687000, 16384, PROT_READ) = 0
mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000
mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000
mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d686690) = 5812
./strace-static-x86_64: Process 5812 attached
[pid  5812] set_robust_list(0x55557d6866a0, 24) = 0
[pid  5812] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5812] setpgid(0, 0)               = 0
[pid  5812] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5812] write(3, "1000", 4)         = 4
executing program
[pid  5812] close(3)                    = 0
[pid  5812] write(1, "executing program\n", 18) = 18
[pid  5812] futex(0x7f3eec68d32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5812] rt_sigaction(SIGRT_1, {sa_handler=0x7f3eec629520, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3eec61aba0}, NULL, 8) = 0
[pid  5812] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5812] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3eec59c000
[pid  5812] mprotect(0x7f3eec59d000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5812] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5812] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3eec5bc990, parent_tid=0x7f3eec5bc990, exit_signal=0, stack=0x7f3eec59c000, stack_size=0x20300, tls=0x7f3eec5bc6c0} => {parent_tid=[5813]}, 88) = 5813
[pid  5812] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5812] futex(0x7f3eec68d328, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5813 attached
) = 0
[pid  5812] futex(0x7f3eec68d32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5813] rseq(0x7f3eec5bcfe0, 0x20, 0, 0x53053053) = 0
[pid  5813] set_robust_list(0x7f3eec5bc9a0, 24) = 0
[pid  5813] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5813] sendmsg(-1, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x14\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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=124}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = -1 EBADF (Bad file descriptor)
[pid  5813] futex(0x7f3eec68d32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5813] futex(0x7f3eec68d328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5812] <... futex resumed>)        = 0
[pid  5813] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5812] futex(0x7f3eec68d328, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5813] openat(AT_FDCWD, "/dev/net/tun", O_WRONLY|O_CREAT|O_TRUNC|O_NOATIME, 000) = 3
[pid  5812] <... futex resumed>)        = 0
[pid  5812] futex(0x7f3eec68d32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5813] futex(0x7f3eec68d32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5812] <... futex resumed>)        = 0
[pid  5812] futex(0x7f3eec68d328, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5813] ioctl(3, TUNSETIFF, 0x200000000200 <unfinished ...>
[pid  5812] futex(0x7f3eec68d32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5813] <... ioctl resumed>)        = 0
[pid  5813] futex(0x7f3eec68d32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5812] <... futex resumed>)        = 0
[pid  5813] futex(0x7f3eec68d328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5812] futex(0x7f3eec68d328, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5813] <... futex resumed>)        = 0
[pid  5812] futex(0x7f3eec68d32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5813] socket(AF_INET, SOCK_PACKET, IPPROTO_IGMP) = 4
[pid  5813] futex(0x7f3eec68d32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5813] futex(0x7f3eec68d328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5812] <... futex resumed>)        = 0
[pid  5812] futex(0x7f3eec68d328, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5813] <... futex resumed>)        = 0
[pid  5813] ioctl(4, SIOCSIFFLAGS, {ifr_name="syzkaller1", ifr_flags=IFF_UP|IFF_DYNAMIC} <unfinished ...>
[pid  5812] futex(0x7f3eec68d32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5813] <... ioctl resumed>)        = 0
[pid  5813] futex(0x7f3eec68d32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5812] <... futex resumed>)        = 0
[  174.581721][ T5813] syz-executor738 uses obsolete (PF_INET,SOCK_PACKET)
[pid  5813] socket(AF_NETLINK, SOCK_RAW, NETLINK_NETFILTER <unfinished ...>
[pid  5812] futex(0x7f3eec68d328, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5813] <... socket resumed>)       = 5
[pid  5812] <... futex resumed>)        = 0
[pid  5813] futex(0x7f3eec68d32c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5812] futex(0x7f3eec68d32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5813] <... futex resumed>)        = 0
[pid  5812] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5813] sendmsg(5, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x14\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x0a\x20\x00\x00\x00\x00\x0a\x03\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x09\x00\x01\x00\x73\x79\x7a\x30\x00\x00\x00\x00\x6c\x00\x00\x00\x16\x0a\x01\x02\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x09\x00\x01\x00\x73\x79\x7a\x30\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x30\x00\x00\x00\x00\x40\x00\x03\x80"..., iov_len=252}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 <unfinished ...>
[pid  5812] futex(0x7f3eec68d328, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5812] futex(0x7f3eec68d32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out)
[pid  5812] futex(0x7f3eec68d33c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5812] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3eec57b000
[pid  5812] mprotect(0x7f3eec57c000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5812] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5812] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3eec59b990, parent_tid=0x7f3eec59b990, exit_signal=0, stack=0x7f3eec57b000, stack_size=0x20300, tls=0x7f3eec59b6c0}./strace-static-x86_64: Process 5817 attached
 <unfinished ...>
[pid  5817] rseq(0x7f3eec59bfe0, 0x20, 0, 0x53053053) = 0
[pid  5812] <... clone3 resumed> => {parent_tid=[5817]}, 88) = 5817
[pid  5817] set_robust_list(0x7f3eec59b9a0, 24 <unfinished ...>
[pid  5812] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5817] <... set_robust_list resumed>) = 0
[pid  5813] <... sendmsg resumed>)      = 252
[pid  5812] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5812] futex(0x7f3eec68d338, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5817] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5812] <... futex resumed>)        = 0
[pid  5812] futex(0x7f3eec68d33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5817] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5813] futex(0x7f3eec68d32c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5817] write(3, "\x12\x00\x88\x64\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4046 <unfinished ...>
[pid  5813] <... futex resumed>)        = 0
[pid  5813] futex(0x7f3eec68d328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5817] <... write resumed>)        = 4046
[pid  5817] futex(0x7f3eec68d33c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5812] <... futex resumed>)        = 0
[pid  5812] exit_group(0 <unfinished ...>
[pid  5813] <... futex resumed>)        = ?
[pid  5812] <... exit_group resumed>)   = ?
[pid  5817] +++ exited with 0 +++
[pid  5813] +++ exited with 0 +++
[pid  5812] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5812, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d686690) = 5819
./strace-static-x86_64: Process 5819 attached
[pid  5819] set_robust_list(0x55557d6866a0, 24) = 0
[pid  5819] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5819] setpgid(0, 0)               = 0
[pid  5819] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5819] write(3, "1000", 4)         = 4
[pid  5819] close(3executing program
)                    = 0
[pid  5819] write(1, "executing program\n", 18) = 18
[pid  5819] futex(0x7f3eec68d32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5819] rt_sigaction(SIGRT_1, {sa_handler=0x7f3eec629520, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3eec61aba0}, NULL, 8) = 0
[pid  5819] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5819] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3eec59c000
[pid  5819] mprotect(0x7f3eec59d000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5819] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5819] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3eec5bc990, parent_tid=0x7f3eec5bc990, exit_signal=0, stack=0x7f3eec59c000, stack_size=0x20300, tls=0x7f3eec5bc6c0}./strace-static-x86_64: Process 5820 attached
 => {parent_tid=[5820]}, 88) = 5820
[pid  5819] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5819] futex(0x7f3eec68d328, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5820] rseq(0x7f3eec5bcfe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5819] <... futex resumed>)        = 0
[pid  5819] futex(0x7f3eec68d32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5820] <... rseq resumed>)         = 0
[pid  5820] set_robust_list(0x7f3eec5bc9a0, 24) = 0
[pid  5820] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5820] sendmsg(-1, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x14\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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=124}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = -1 EBADF (Bad file descriptor)
[pid  5820] futex(0x7f3eec68d32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5819] <... futex resumed>)        = 0
[pid  5820] futex(0x7f3eec68d328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5819] futex(0x7f3eec68d328, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5820] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5819] <... futex resumed>)        = 0
[pid  5820] openat(AT_FDCWD, "/dev/net/tun", O_WRONLY|O_CREAT|O_TRUNC|O_NOATIME, 000 <unfinished ...>
[pid  5819] futex(0x7f3eec68d32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5820] <... openat resumed>)       = 3
[pid  5820] futex(0x7f3eec68d32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5819] <... futex resumed>)        = 0
[pid  5820] futex(0x7f3eec68d328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5819] futex(0x7f3eec68d328, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5820] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5820] ioctl(3, TUNSETIFF, 0x200000000200 <unfinished ...>
[pid  5819] <... futex resumed>)        = 0
[pid  5820] <... ioctl resumed>)        = 0
[pid  5819] futex(0x7f3eec68d32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5820] futex(0x7f3eec68d32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5819] <... futex resumed>)        = 0
[pid  5819] futex(0x7f3eec68d328, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5820] socket(AF_INET, SOCK_PACKET, IPPROTO_IGMP <unfinished ...>
[pid  5819] futex(0x7f3eec68d32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5820] <... socket resumed>)       = 4
[pid  5820] futex(0x7f3eec68d32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5819] <... futex resumed>)        = 0
[pid  5820] ioctl(4, SIOCSIFFLAGS, {ifr_name="syzkaller1", ifr_flags=IFF_UP|IFF_DYNAMIC} <unfinished ...>
[pid  5819] futex(0x7f3eec68d328, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5820] <... ioctl resumed>)        = 0
[pid  5819] <... futex resumed>)        = 0
[pid  5819] futex(0x7f3eec68d32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5820] futex(0x7f3eec68d32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5819] <... futex resumed>)        = 0
[pid  5819] futex(0x7f3eec68d328, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5819] futex(0x7f3eec68d32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5820] socket(AF_NETLINK, SOCK_RAW, NETLINK_NETFILTER) = 5
[pid  5820] futex(0x7f3eec68d32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5819] <... futex resumed>)        = 0
[pid  5819] futex(0x7f3eec68d328, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5819] futex(0x7f3eec68d32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5820] sendmsg(5, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x14\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x0a\x20\x00\x00\x00\x00\x0a\x03\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x09\x00\x01\x00\x73\x79\x7a\x30\x00\x00\x00\x00\x6c\x00\x00\x00\x16\x0a\x01\x02\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x09\x00\x01\x00\x73\x79\x7a\x30\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x30\x00\x00\x00\x00\x40\x00\x03\x80"..., iov_len=252}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 252
[pid  5819] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid  5820] futex(0x7f3eec68d32c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5819] futex(0x7f3eec68d328, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5820] <... futex resumed>)        = 0
[pid  5819] <... futex resumed>)        = 0
[pid  5820] write(3, "\x12\x00\x88\x64\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4046 <unfinished ...>
[pid  5819] futex(0x7f3eec68d32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5820] <... write resumed>)        = 4046
[pid  5820] futex(0x7f3eec68d32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5819] <... futex resumed>)        = 0
[pid  5820] futex(0x7f3eec68d328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5819] exit_group(0 <unfinished ...>
[pid  5820] <... futex resumed>)        = ?
[pid  5819] <... exit_group resumed>)   = ?
[pid  5820] +++ exited with 0 +++
[pid  5819] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5819, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5825 attached
, child_tidptr=0x55557d686690) = 5825
[pid  5825] set_robust_list(0x55557d6866a0, 24) = 0
[pid  5825] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5825] setpgid(0, 0)               = 0
[pid  5825] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5825] write(3, "1000", 4)         = 4
[pid  5825] close(3)                    = 0
[pid  5825] write(1, "executing program\n", 18executing program
) = 18
[pid  5825] futex(0x7f3eec68d32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5825] rt_sigaction(SIGRT_1, {sa_handler=0x7f3eec629520, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3eec61aba0}, NULL, 8) = 0
[pid  5825] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5825] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3eec59c000
[pid  5825] mprotect(0x7f3eec59d000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5825] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5825] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3eec5bc990, parent_tid=0x7f3eec5bc990, exit_signal=0, stack=0x7f3eec59c000, stack_size=0x20300, tls=0x7f3eec5bc6c0}./strace-static-x86_64: Process 5826 attached
 <unfinished ...>
[pid  5826] rseq(0x7f3eec5bcfe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5825] <... clone3 resumed> => {parent_tid=[5826]}, 88) = 5826
[pid  5826] <... rseq resumed>)         = 0
[pid  5825] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5826] set_robust_list(0x7f3eec5bc9a0, 24 <unfinished ...>
[pid  5825] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5826] <... set_robust_list resumed>) = 0
[pid  5825] futex(0x7f3eec68d328, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5825] futex(0x7f3eec68d32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5826] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5826] sendmsg(-1, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x14\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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=124}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = -1 EBADF (Bad file descriptor)
[pid  5826] futex(0x7f3eec68d32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5825] <... futex resumed>)        = 0
[pid  5825] futex(0x7f3eec68d328, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5825] futex(0x7f3eec68d32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5826] openat(AT_FDCWD, "/dev/net/tun", O_WRONLY|O_CREAT|O_TRUNC|O_NOATIME, 000) = 3
[pid  5826] futex(0x7f3eec68d32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5825] <... futex resumed>)        = 0
[pid  5826] ioctl(3, TUNSETIFF, 0x200000000200 <unfinished ...>
[pid  5825] futex(0x7f3eec68d328, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5826] <... ioctl resumed>)        = 0
[pid  5825] <... futex resumed>)        = 0
[pid  5825] futex(0x7f3eec68d32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5826] futex(0x7f3eec68d32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5825] <... futex resumed>)        = 0
[pid  5825] futex(0x7f3eec68d328, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5825] futex(0x7f3eec68d32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5826] socket(AF_INET, SOCK_PACKET, IPPROTO_IGMP) = 4
[pid  5826] futex(0x7f3eec68d32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5825] <... futex resumed>)        = 0
[pid  5825] futex(0x7f3eec68d328, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5825] futex(0x7f3eec68d32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5826] ioctl(4, SIOCSIFFLAGS, {ifr_name="syzkaller1", ifr_flags=IFF_UP|IFF_DYNAMIC}) = 0
[pid  5826] futex(0x7f3eec68d32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5825] <... futex resumed>)        = 0
[pid  5825] futex(0x7f3eec68d328, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5825] futex(0x7f3eec68d32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5826] socket(AF_NETLINK, SOCK_RAW, NETLINK_NETFILTER) = 5
[pid  5826] futex(0x7f3eec68d32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5825] <... futex resumed>)        = 0
[pid  5825] futex(0x7f3eec68d328, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5826] sendmsg(5, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x14\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x0a\x20\x00\x00\x00\x00\x0a\x03\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x09\x00\x01\x00\x73\x79\x7a\x30\x00\x00\x00\x00\x6c\x00\x00\x00\x16\x0a\x01\x02\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x09\x00\x01\x00\x73\x79\x7a\x30\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x30\x00\x00\x00\x00\x40\x00\x03\x80"..., iov_len=252}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 <unfinished ...>
[pid  5825] <... futex resumed>)        = 0
[pid  5825] futex(0x7f3eec68d32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out)
[pid  5825] futex(0x7f3eec68d33c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5825] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3eec57b000
[pid  5825] mprotect(0x7f3eec57c000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5825] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5826] <... sendmsg resumed>)      = 252
[pid  5825] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3eec59b990, parent_tid=0x7f3eec59b990, exit_signal=0, stack=0x7f3eec57b000, stack_size=0x20300, tls=0x7f3eec59b6c0}./strace-static-x86_64: Process 5829 attached
 => {parent_tid=[5829]}, 88) = 5829
[pid  5826] futex(0x7f3eec68d32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5829] rseq(0x7f3eec59bfe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5825] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5829] <... rseq resumed>)         = 0
[pid  5826] futex(0x7f3eec68d328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5825] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5825] futex(0x7f3eec68d338, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5829] set_robust_list(0x7f3eec59b9a0, 24 <unfinished ...>
[pid  5825] futex(0x7f3eec68d33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5829] <... set_robust_list resumed>) = 0
[pid  5829] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5829] write(3, "\x12\x00\x88\x64\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4046) = 4046
[pid  5829] futex(0x7f3eec68d33c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5829] futex(0x7f3eec68d338, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5825] <... futex resumed>)        = 0
[pid  5825] exit_group(0 <unfinished ...>
[pid  5829] <... futex resumed>)        = ?
[pid  5825] <... exit_group resumed>)   = ?
[pid  5829] +++ exited with 0 +++
[pid  5826] <... futex resumed>)        = ?
[pid  5826] +++ exited with 0 +++
[pid  5825] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5825, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d686690) = 5830
./strace-static-x86_64: Process 5830 attached
[pid  5830] set_robust_list(0x55557d6866a0, 24) = 0
[pid  5830] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5830] setpgid(0, 0)               = 0
[pid  5830] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5830] write(3, "1000", 4)         = 4
[pid  5830] close(3)                    = 0
executing program
[pid  5830] write(1, "executing program\n", 18) = 18
[pid  5830] futex(0x7f3eec68d32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5830] rt_sigaction(SIGRT_1, {sa_handler=0x7f3eec629520, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3eec61aba0}, NULL, 8) = 0
[pid  5830] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5830] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3eec59c000
[pid  5830] mprotect(0x7f3eec59d000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5830] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5830] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3eec5bc990, parent_tid=0x7f3eec5bc990, exit_signal=0, stack=0x7f3eec59c000, stack_size=0x20300, tls=0x7f3eec5bc6c0}./strace-static-x86_64: Process 5833 attached
 <unfinished ...>
[pid  5833] rseq(0x7f3eec5bcfe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5830] <... clone3 resumed> => {parent_tid=[5833]}, 88) = 5833
[pid  5830] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5830] futex(0x7f3eec68d328, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5833] <... rseq resumed>)         = 0
[pid  5833] set_robust_list(0x7f3eec5bc9a0, 24) = 0
[pid  5830] <... futex resumed>)        = 0
[pid  5833] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5830] futex(0x7f3eec68d32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5833] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5833] sendmsg(-1, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x14\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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=124}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = -1 EBADF (Bad file descriptor)
[pid  5833] futex(0x7f3eec68d32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5833] futex(0x7f3eec68d328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5830] <... futex resumed>)        = 0
[pid  5830] futex(0x7f3eec68d328, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5830] futex(0x7f3eec68d32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5833] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5833] openat(AT_FDCWD, "/dev/net/tun", O_WRONLY|O_CREAT|O_TRUNC|O_NOATIME, 000) = 3
[pid  5833] futex(0x7f3eec68d32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5830] <... futex resumed>)        = 0
[pid  5830] futex(0x7f3eec68d328, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5830] futex(0x7f3eec68d32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5833] ioctl(3, TUNSETIFF, 0x200000000200) = 0
[pid  5833] futex(0x7f3eec68d32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5830] <... futex resumed>)        = 0
[pid  5830] futex(0x7f3eec68d328, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5833] socket(AF_INET, SOCK_PACKET, IPPROTO_IGMP <unfinished ...>
[pid  5830] <... futex resumed>)        = 0
[pid  5833] <... socket resumed>)       = 4
[pid  5830] futex(0x7f3eec68d32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5833] futex(0x7f3eec68d32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5833] futex(0x7f3eec68d328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5830] <... futex resumed>)        = 0
[pid  5830] futex(0x7f3eec68d328, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5830] futex(0x7f3eec68d32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5833] <... futex resumed>)        = 0
[pid  5833] ioctl(4, SIOCSIFFLAGS, {ifr_name="syzkaller1", ifr_flags=IFF_UP|IFF_DYNAMIC}) = 0
[pid  5833] futex(0x7f3eec68d32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5830] <... futex resumed>)        = 0
[pid  5833] socket(AF_NETLINK, SOCK_RAW, NETLINK_NETFILTER <unfinished ...>
[pid  5830] futex(0x7f3eec68d328, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5833] <... socket resumed>)       = 5
[pid  5830] <... futex resumed>)        = 0
[pid  5833] futex(0x7f3eec68d32c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5830] futex(0x7f3eec68d32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5833] <... futex resumed>)        = 0
[pid  5833] futex(0x7f3eec68d328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5830] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5830] futex(0x7f3eec68d328, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5833] <... futex resumed>)        = 0
[pid  5830] <... futex resumed>)        = 1
[pid  5833] sendmsg(5, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x14\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x0a\x20\x00\x00\x00\x00\x0a\x03\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x09\x00\x01\x00\x73\x79\x7a\x30\x00\x00\x00\x00\x6c\x00\x00\x00\x16\x0a\x01\x02\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x09\x00\x01\x00\x73\x79\x7a\x30\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x30\x00\x00\x00\x00\x40\x00\x03\x80"..., iov_len=252}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 <unfinished ...>
[pid  5830] futex(0x7f3eec68d32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out)
[pid  5830] futex(0x7f3eec68d33c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5830] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  5833] <... sendmsg resumed>)      = 252
[pid  5830] <... mmap resumed>)         = 0x7f3eec57b000
[pid  5833] futex(0x7f3eec68d32c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5830] mprotect(0x7f3eec57c000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  5833] <... futex resumed>)        = 0
[pid  5830] <... mprotect resumed>)     = 0
[pid  5833] futex(0x7f3eec68d328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5830] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5830] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3eec59b990, parent_tid=0x7f3eec59b990, exit_signal=0, stack=0x7f3eec57b000, stack_size=0x20300, tls=0x7f3eec59b6c0}./strace-static-x86_64: Process 5837 attached
 => {parent_tid=[5837]}, 88) = 5837
[pid  5830] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5830] futex(0x7f3eec68d338, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5830] futex(0x7f3eec68d33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5837] rseq(0x7f3eec59bfe0, 0x20, 0, 0x53053053) = 0
[pid  5837] set_robust_list(0x7f3eec59b9a0, 24) = 0
[pid  5837] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5837] write(3, "\x12\x00\x88\x64\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4046) = 4046
[pid  5837] futex(0x7f3eec68d33c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5830] <... futex resumed>)        = 0
[pid  5837] futex(0x7f3eec68d338, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5830] exit_group(0 <unfinished ...>
[pid  5837] <... futex resumed>)        = ?
[pid  5833] <... futex resumed>)        = ?
[pid  5830] <... exit_group resumed>)   = ?
[pid  5837] +++ exited with 0 +++
[pid  5833] +++ exited with 0 +++
[pid  5830] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5830, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5839 attached
, child_tidptr=0x55557d686690) = 5839
[pid  5839] set_robust_list(0x55557d6866a0, 24) = 0
[pid  5839] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5839] setpgid(0, 0)               = 0
[pid  5839] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5839] write(3, "1000", 4)         = 4
executing program
[pid  5839] close(3)                    = 0
[pid  5839] write(1, "executing program\n", 18) = 18
[pid  5839] futex(0x7f3eec68d32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5839] rt_sigaction(SIGRT_1, {sa_handler=0x7f3eec629520, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3eec61aba0}, NULL, 8) = 0
[pid  5839] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5839] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3eec59c000
[pid  5839] mprotect(0x7f3eec59d000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5839] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5839] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3eec5bc990, parent_tid=0x7f3eec5bc990, exit_signal=0, stack=0x7f3eec59c000, stack_size=0x20300, tls=0x7f3eec5bc6c0}./strace-static-x86_64: Process 5840 attached
 => {parent_tid=[5840]}, 88) = 5840
[pid  5839] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5840] rseq(0x7f3eec5bcfe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5839] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5839] futex(0x7f3eec68d328, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5840] <... rseq resumed>)         = 0
[pid  5839] <... futex resumed>)        = 0
[pid  5840] set_robust_list(0x7f3eec5bc9a0, 24 <unfinished ...>
[pid  5839] futex(0x7f3eec68d32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5840] <... set_robust_list resumed>) = 0
[pid  5840] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5840] sendmsg(-1, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x14\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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=124}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = -1 EBADF (Bad file descriptor)
[pid  5840] futex(0x7f3eec68d32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5839] <... futex resumed>)        = 0
[pid  5840] futex(0x7f3eec68d328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5839] futex(0x7f3eec68d328, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5840] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5839] <... futex resumed>)        = 0
[pid  5840] openat(AT_FDCWD, "/dev/net/tun", O_WRONLY|O_CREAT|O_TRUNC|O_NOATIME, 000 <unfinished ...>
[pid  5839] futex(0x7f3eec68d32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5840] <... openat resumed>)       = 3
[pid  5840] futex(0x7f3eec68d32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5839] <... futex resumed>)        = 0
[pid  5839] futex(0x7f3eec68d328, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5840] ioctl(3, TUNSETIFF, 0x200000000200 <unfinished ...>
[pid  5839] <... futex resumed>)        = 0
[pid  5840] <... ioctl resumed>)        = 0
[pid  5839] futex(0x7f3eec68d32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5840] futex(0x7f3eec68d32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5839] <... futex resumed>)        = 0
[pid  5840] socket(AF_INET, SOCK_PACKET, IPPROTO_IGMP <unfinished ...>
[pid  5839] futex(0x7f3eec68d328, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5840] <... socket resumed>)       = 4
[pid  5839] <... futex resumed>)        = 0
[pid  5840] futex(0x7f3eec68d32c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5839] futex(0x7f3eec68d32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5840] <... futex resumed>)        = 0
[pid  5839] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5840] futex(0x7f3eec68d328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5839] futex(0x7f3eec68d328, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5840] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5840] ioctl(4, SIOCSIFFLAGS, {ifr_name="syzkaller1", ifr_flags=IFF_UP|IFF_DYNAMIC} <unfinished ...>
[pid  5839] <... futex resumed>)        = 0
[pid  5840] <... ioctl resumed>)        = 0
[pid  5839] futex(0x7f3eec68d32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5840] futex(0x7f3eec68d32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5839] <... futex resumed>)        = 0
[pid  5839] futex(0x7f3eec68d328, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5839] futex(0x7f3eec68d32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5840] socket(AF_NETLINK, SOCK_RAW, NETLINK_NETFILTER) = 5
[pid  5840] futex(0x7f3eec68d32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5839] <... futex resumed>)        = 0
[pid  5840] sendmsg(5, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x14\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x0a\x20\x00\x00\x00\x00\x0a\x03\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x09\x00\x01\x00\x73\x79\x7a\x30\x00\x00\x00\x00\x6c\x00\x00\x00\x16\x0a\x01\x02\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x09\x00\x01\x00\x73\x79\x7a\x30\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x30\x00\x00\x00\x00\x40\x00\x03\x80"..., iov_len=252}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 <unfinished ...>
[pid  5839] futex(0x7f3eec68d328, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5839] futex(0x7f3eec68d32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5840] <... sendmsg resumed>)      = 252
[pid  5840] futex(0x7f3eec68d32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5839] <... futex resumed>)        = 0
[pid  5839] futex(0x7f3eec68d328, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5839] futex(0x7f3eec68d32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5840] write(3, "\x12\x00\x88\x64\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4046) = 4046
[pid  5840] futex(0x7f3eec68d32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5839] <... futex resumed>)        = 0
[pid  5840] futex(0x7f3eec68d328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5839] exit_group(0)               = ?
[pid  5840] <... futex resumed>)        = ?
[pid  5840] +++ exited with 0 +++
[pid  5839] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5839, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program
./strace-static-x86_64: Process 5843 attached
, child_tidptr=0x55557d686690) = 5843
[pid  5843] set_robust_list(0x55557d6866a0, 24) = 0
[pid  5843] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5843] setpgid(0, 0)               = 0
[pid  5843] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5843] write(3, "1000", 4)         = 4
[pid  5843] close(3)                    = 0
[pid  5843] write(1, "executing program\n", 18) = 18
[pid  5843] futex(0x7f3eec68d32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5843] rt_sigaction(SIGRT_1, {sa_handler=0x7f3eec629520, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3eec61aba0}, NULL, 8) = 0
[pid  5843] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5843] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3eec59c000
[pid  5843] mprotect(0x7f3eec59d000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5843] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5843] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3eec5bc990, parent_tid=0x7f3eec5bc990, exit_signal=0, stack=0x7f3eec59c000, stack_size=0x20300, tls=0x7f3eec5bc6c0}./strace-static-x86_64: Process 5844 attached
 <unfinished ...>
[pid  5844] rseq(0x7f3eec5bcfe0, 0x20, 0, 0x53053053) = 0
[pid  5844] set_robust_list(0x7f3eec5bc9a0, 24) = 0
[pid  5844] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5844] futex(0x7f3eec68d328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5843] <... clone3 resumed> => {parent_tid=[5844]}, 88) = 5844
[pid  5843] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5843] futex(0x7f3eec68d328, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5844] <... futex resumed>)        = 0
[pid  5843] <... futex resumed>)        = 1
[pid  5844] sendmsg(-1, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x14\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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=124}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = -1 EBADF (Bad file descriptor)
[pid  5844] futex(0x7f3eec68d32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5844] futex(0x7f3eec68d328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5843] futex(0x7f3eec68d32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid  5843] futex(0x7f3eec68d328, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5844] <... futex resumed>)        = 0
[pid  5843] <... futex resumed>)        = 1
[pid  5844] openat(AT_FDCWD, "/dev/net/tun", O_WRONLY|O_CREAT|O_TRUNC|O_NOATIME, 000) = 3
[pid  5843] futex(0x7f3eec68d32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5844] futex(0x7f3eec68d32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5843] <... futex resumed>)        = 0
[pid  5844] futex(0x7f3eec68d328, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable)
[pid  5843] futex(0x7f3eec68d328, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5844] ioctl(3, TUNSETIFF, 0x200000000200 <unfinished ...>
[pid  5843] <... futex resumed>)        = 0
[pid  5844] <... ioctl resumed>)        = 0
[pid  5843] futex(0x7f3eec68d32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5844] futex(0x7f3eec68d32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5843] <... futex resumed>)        = 0
[pid  5843] futex(0x7f3eec68d328, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5843] futex(0x7f3eec68d32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5844] socket(AF_INET, SOCK_PACKET, IPPROTO_IGMP) = 4
[pid  5844] futex(0x7f3eec68d32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5843] <... futex resumed>)        = 0
[pid  5843] futex(0x7f3eec68d328, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5843] futex(0x7f3eec68d32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5844] ioctl(4, SIOCSIFFLAGS, {ifr_name="syzkaller1", ifr_flags=IFF_UP|IFF_DYNAMIC}) = 0
[pid  5844] futex(0x7f3eec68d32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5843] <... futex resumed>)        = 0
[pid  5843] futex(0x7f3eec68d328, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5843] futex(0x7f3eec68d32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5844] socket(AF_NETLINK, SOCK_RAW, NETLINK_NETFILTER) = 5
[pid  5844] futex(0x7f3eec68d32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5843] <... futex resumed>)        = 0
[pid  5843] futex(0x7f3eec68d328, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5843] futex(0x7f3eec68d32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5844] sendmsg(5, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x14\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x0a\x20\x00\x00\x00\x00\x0a\x03\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x09\x00\x01\x00\x73\x79\x7a\x30\x00\x00\x00\x00\x6c\x00\x00\x00\x16\x0a\x01\x02\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x09\x00\x01\x00\x73\x79\x7a\x30\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x30\x00\x00\x00\x00\x40\x00\x03\x80"..., iov_len=252}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 <unfinished ...>
[pid  5843] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid  5843] futex(0x7f3eec68d33c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5844] <... sendmsg resumed>)      = 252
[pid  5843] <... futex resumed>)        = 0
[pid  5844] futex(0x7f3eec68d32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5843] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  5844] futex(0x7f3eec68d328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5843] <... mmap resumed>)         = 0x7f3eec57b000
[pid  5843] mprotect(0x7f3eec57c000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5843] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5843] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3eec59b990, parent_tid=0x7f3eec59b990, exit_signal=0, stack=0x7f3eec57b000, stack_size=0x20300, tls=0x7f3eec59b6c0}./strace-static-x86_64: Process 5846 attached
 => {parent_tid=[5846]}, 88) = 5846
[pid  5846] rseq(0x7f3eec59bfe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5843] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5846] <... rseq resumed>)         = 0
[pid  5846] set_robust_list(0x7f3eec59b9a0, 24 <unfinished ...>
[pid  5843] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5846] <... set_robust_list resumed>) = 0
[pid  5846] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5843] futex(0x7f3eec68d338, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5846] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5846] write(3, "\x12\x00\x88\x64\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4046 <unfinished ...>
[pid  5843] <... futex resumed>)        = 0
[pid  5846] <... write resumed>)        = 4046
[pid  5843] futex(0x7f3eec68d33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5846] futex(0x7f3eec68d33c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5846] futex(0x7f3eec68d338, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5843] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5843] exit_group(0 <unfinished ...>
[pid  5846] <... futex resumed>)        = ?
[pid  5843] <... exit_group resumed>)   = ?
[pid  5846] +++ exited with 0 +++
[pid  5844] <... futex resumed>)        = ?
[pid  5844] +++ exited with 0 +++
[pid  5843] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5843, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5849 attached
, child_tidptr=0x55557d686690) = 5849
[pid  5849] set_robust_list(0x55557d6866a0, 24) = 0
[pid  5849] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5849] setpgid(0, 0)               = 0
[pid  5849] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5849] write(3, "1000", 4)         = 4
[pid  5849] close(3executing program
)                    = 0
[pid  5849] write(1, "executing program\n", 18) = 18
[pid  5849] futex(0x7f3eec68d32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5849] rt_sigaction(SIGRT_1, {sa_handler=0x7f3eec629520, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3eec61aba0}, NULL, 8) = 0
[pid  5849] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5849] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3eec59c000
[pid  5849] mprotect(0x7f3eec59d000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5849] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5849] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3eec5bc990, parent_tid=0x7f3eec5bc990, exit_signal=0, stack=0x7f3eec59c000, stack_size=0x20300, tls=0x7f3eec5bc6c0}./strace-static-x86_64: Process 5850 attached
 <unfinished ...>
[pid  5850] rseq(0x7f3eec5bcfe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5849] <... clone3 resumed> => {parent_tid=[5850]}, 88) = 5850
[pid  5850] <... rseq resumed>)         = 0
[pid  5849] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5850] set_robust_list(0x7f3eec5bc9a0, 24 <unfinished ...>
[pid  5849] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5850] <... set_robust_list resumed>) = 0
[pid  5850] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5849] futex(0x7f3eec68d328, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5850] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5849] <... futex resumed>)        = 0
[pid  5850] sendmsg(-1, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x14\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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=124}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 <unfinished ...>
[pid  5849] futex(0x7f3eec68d32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5850] <... sendmsg resumed>)      = -1 EBADF (Bad file descriptor)
[pid  5850] futex(0x7f3eec68d32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5849] <... futex resumed>)        = 0
[pid  5850] futex(0x7f3eec68d328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5849] futex(0x7f3eec68d328, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5850] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5849] <... futex resumed>)        = 0
[pid  5850] openat(AT_FDCWD, "/dev/net/tun", O_WRONLY|O_CREAT|O_TRUNC|O_NOATIME, 000 <unfinished ...>
[pid  5849] futex(0x7f3eec68d32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5850] <... openat resumed>)       = 3
[pid  5850] futex(0x7f3eec68d32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5850] futex(0x7f3eec68d328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5849] <... futex resumed>)        = 0
[pid  5850] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5849] futex(0x7f3eec68d328, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5850] ioctl(3, TUNSETIFF, 0x200000000200 <unfinished ...>
[pid  5849] <... futex resumed>)        = 0
[pid  5850] <... ioctl resumed>)        = 0
[pid  5849] futex(0x7f3eec68d32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5850] futex(0x7f3eec68d32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5849] <... futex resumed>)        = 0
[pid  5849] futex(0x7f3eec68d328, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5849] futex(0x7f3eec68d32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5850] socket(AF_INET, SOCK_PACKET, IPPROTO_IGMP) = 4
[pid  5850] futex(0x7f3eec68d32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5849] <... futex resumed>)        = 0
[pid  5849] futex(0x7f3eec68d328, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5849] futex(0x7f3eec68d32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5850] ioctl(4, SIOCSIFFLAGS, {ifr_name="syzkaller1", ifr_flags=IFF_UP|IFF_DYNAMIC}) = 0
[pid  5850] futex(0x7f3eec68d32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5849] <... futex resumed>)        = 0
[pid  5849] futex(0x7f3eec68d328, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5849] futex(0x7f3eec68d32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5850] socket(AF_NETLINK, SOCK_RAW, NETLINK_NETFILTER) = 5
[pid  5850] futex(0x7f3eec68d32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5849] <... futex resumed>)        = 0
[pid  5850] sendmsg(5, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x14\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x0a\x20\x00\x00\x00\x00\x0a\x03\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x09\x00\x01\x00\x73\x79\x7a\x30\x00\x00\x00\x00\x6c\x00\x00\x00\x16\x0a\x01\x02\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x09\x00\x01\x00\x73\x79\x7a\x30\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x30\x00\x00\x00\x00\x40\x00\x03\x80"..., iov_len=252}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 <unfinished ...>
[pid  5849] futex(0x7f3eec68d328, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5849] futex(0x7f3eec68d32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5850] <... sendmsg resumed>)      = 252
[pid  5850] futex(0x7f3eec68d32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5849] <... futex resumed>)        = 0
[pid  5849] futex(0x7f3eec68d328, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5850] write(3, "\x12\x00\x88\x64\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4046 <unfinished ...>
[pid  5849] futex(0x7f3eec68d32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5850] <... write resumed>)        = 4046
[pid  5850] futex(0x7f3eec68d32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5849] <... futex resumed>)        = 0
[pid  5849] exit_group(0)               = ?
[pid  5850] +++ exited with 0 +++
[pid  5849] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5849, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5856 attached
, child_tidptr=0x55557d686690) = 5856
[pid  5856] set_robust_list(0x55557d6866a0, 24) = 0
[pid  5856] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5856] setpgid(0, 0)               = 0
[pid  5856] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5856] write(3, "1000", 4)         = 4
[pid  5856] close(3)                    = 0
executing program
[pid  5856] write(1, "executing program\n", 18) = 18
[pid  5856] futex(0x7f3eec68d32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5856] rt_sigaction(SIGRT_1, {sa_handler=0x7f3eec629520, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3eec61aba0}, NULL, 8) = 0
[pid  5856] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5856] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3eec59c000
[pid  5856] mprotect(0x7f3eec59d000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5856] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5856] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3eec5bc990, parent_tid=0x7f3eec5bc990, exit_signal=0, stack=0x7f3eec59c000, stack_size=0x20300, tls=0x7f3eec5bc6c0}./strace-static-x86_64: Process 5857 attached
 => {parent_tid=[5857]}, 88) = 5857
[pid  5856] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5856] futex(0x7f3eec68d328, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5857] rseq(0x7f3eec5bcfe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5856] <... futex resumed>)        = 0
[pid  5857] <... rseq resumed>)         = 0
[pid  5856] futex(0x7f3eec68d32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5857] set_robust_list(0x7f3eec5bc9a0, 24) = 0
[pid  5857] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5857] sendmsg(-1, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x14\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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=124}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = -1 EBADF (Bad file descriptor)
[pid  5857] futex(0x7f3eec68d32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5856] <... futex resumed>)        = 0
[pid  5857] futex(0x7f3eec68d328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5856] futex(0x7f3eec68d328, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5857] <... futex resumed>)        = 0
[pid  5856] <... futex resumed>)        = 1
[pid  5857] openat(AT_FDCWD, "/dev/net/tun", O_WRONLY|O_CREAT|O_TRUNC|O_NOATIME, 000) = 3
[pid  5856] futex(0x7f3eec68d32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5857] futex(0x7f3eec68d32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5857] futex(0x7f3eec68d328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5856] <... futex resumed>)        = 0
[pid  5856] futex(0x7f3eec68d328, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5857] <... futex resumed>)        = 0
[pid  5856] <... futex resumed>)        = 1
[pid  5857] ioctl(3, TUNSETIFF, 0x200000000200 <unfinished ...>
[pid  5856] futex(0x7f3eec68d32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5857] <... ioctl resumed>)        = 0
[pid  5857] futex(0x7f3eec68d32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5856] <... futex resumed>)        = 0
[pid  5856] futex(0x7f3eec68d328, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5856] futex(0x7f3eec68d32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5857] socket(AF_INET, SOCK_PACKET, IPPROTO_IGMP) = 4
[pid  5857] futex(0x7f3eec68d32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5857] futex(0x7f3eec68d328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5856] <... futex resumed>)        = 0
[pid  5856] futex(0x7f3eec68d328, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5857] <... futex resumed>)        = 0
[pid  5857] ioctl(4, SIOCSIFFLAGS, {ifr_name="syzkaller1", ifr_flags=IFF_UP|IFF_DYNAMIC} <unfinished ...>
[pid  5856] futex(0x7f3eec68d32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5857] <... ioctl resumed>)        = 0
[pid  5857] futex(0x7f3eec68d32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5857] futex(0x7f3eec68d328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5856] <... futex resumed>)        = 0
[pid  5856] futex(0x7f3eec68d328, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5857] <... futex resumed>)        = 0
[pid  5856] <... futex resumed>)        = 1
[pid  5857] socket(AF_NETLINK, SOCK_RAW, NETLINK_NETFILTER <unfinished ...>
[pid  5856] futex(0x7f3eec68d32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5857] <... socket resumed>)       = 5
[pid  5857] futex(0x7f3eec68d32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5856] <... futex resumed>)        = 0
[pid  5857] futex(0x7f3eec68d328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5856] futex(0x7f3eec68d328, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5857] <... futex resumed>)        = 0
[pid  5856] <... futex resumed>)        = 1
[pid  5856] futex(0x7f3eec68d32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5857] sendmsg(5, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x14\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x0a\x20\x00\x00\x00\x00\x0a\x03\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x09\x00\x01\x00\x73\x79\x7a\x30\x00\x00\x00\x00\x6c\x00\x00\x00\x16\x0a\x01\x02\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x09\x00\x01\x00\x73\x79\x7a\x30\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x30\x00\x00\x00\x00\x40\x00\x03\x80"..., iov_len=252}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 <unfinished ...>
[pid  5856] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid  5856] futex(0x7f3eec68d33c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5856] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3eec57b000
[pid  5856] mprotect(0x7f3eec57c000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5856] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5856] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3eec59b990, parent_tid=0x7f3eec59b990, exit_signal=0, stack=0x7f3eec57b000, stack_size=0x20300, tls=0x7f3eec59b6c0} => {parent_tid=[5860]}, 88) = 5860
[pid  5856] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
./strace-static-x86_64: Process 5860 attached
[pid  5856] futex(0x7f3eec68d338, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5856] futex(0x7f3eec68d33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5860] rseq(0x7f3eec59bfe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5857] <... sendmsg resumed>)      = 252
[pid  5857] futex(0x7f3eec68d32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5857] futex(0x7f3eec68d328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5860] <... rseq resumed>)         = 0
[pid  5860] set_robust_list(0x7f3eec59b9a0, 24) = 0
[pid  5860] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5860] write(3, "\x12\x00\x88\x64\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4046) = 4046
[pid  5860] futex(0x7f3eec68d33c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5856] <... futex resumed>)        = 0
[pid  5856] exit_group(0 <unfinished ...>
[pid  5857] <... futex resumed>)        = ?
[pid  5856] <... exit_group resumed>)   = ?
[pid  5857] +++ exited with 0 +++
[pid  5860] +++ exited with 0 +++
[pid  5856] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5856, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5862 attached
 <unfinished ...>
[pid  5862] set_robust_list(0x55557d6866a0, 24) = 0
[pid  5862] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5811] <... clone resumed>, child_tidptr=0x55557d686690) = 5862
[pid  5862] <... prctl resumed>)        = 0
[pid  5862] setpgid(0, 0)               = 0
[pid  5862] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5862] write(3, "1000", 4executing program
)         = 4
[pid  5862] close(3)                    = 0
[pid  5862] write(1, "executing program\n", 18) = 18
[pid  5862] futex(0x7f3eec68d32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5862] rt_sigaction(SIGRT_1, {sa_handler=0x7f3eec629520, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3eec61aba0}, NULL, 8) = 0
[pid  5862] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5862] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3eec59c000
[pid  5862] mprotect(0x7f3eec59d000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5862] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5862] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3eec5bc990, parent_tid=0x7f3eec5bc990, exit_signal=0, stack=0x7f3eec59c000, stack_size=0x20300, tls=0x7f3eec5bc6c0}./strace-static-x86_64: Process 5864 attached
 => {parent_tid=[5864]}, 88) = 5864
[pid  5864] rseq(0x7f3eec5bcfe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5862] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5864] <... rseq resumed>)         = 0
[pid  5864] set_robust_list(0x7f3eec5bc9a0, 24 <unfinished ...>
[pid  5862] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5864] <... set_robust_list resumed>) = 0
[pid  5862] futex(0x7f3eec68d328, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5862] futex(0x7f3eec68d32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5864] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5864] sendmsg(-1, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x14\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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=124}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = -1 EBADF (Bad file descriptor)
[pid  5864] futex(0x7f3eec68d32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5862] <... futex resumed>)        = 0
[pid  5864] futex(0x7f3eec68d328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5862] futex(0x7f3eec68d328, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5864] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5862] <... futex resumed>)        = 0
[pid  5864] openat(AT_FDCWD, "/dev/net/tun", O_WRONLY|O_CREAT|O_TRUNC|O_NOATIME, 000 <unfinished ...>
[pid  5862] futex(0x7f3eec68d32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5864] <... openat resumed>)       = 3
[pid  5864] futex(0x7f3eec68d32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5862] <... futex resumed>)        = 0
[pid  5864] futex(0x7f3eec68d328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5862] futex(0x7f3eec68d328, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5864] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5862] <... futex resumed>)        = 0
[pid  5864] ioctl(3, TUNSETIFF, 0x200000000200 <unfinished ...>
[pid  5862] futex(0x7f3eec68d32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5864] <... ioctl resumed>)        = 0
[pid  5864] futex(0x7f3eec68d32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5862] <... futex resumed>)        = 0
[pid  5862] futex(0x7f3eec68d328, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5864] socket(AF_INET, SOCK_PACKET, IPPROTO_IGMP <unfinished ...>
[pid  5862] <... futex resumed>)        = 0
[pid  5864] <... socket resumed>)       = 4
[pid  5862] futex(0x7f3eec68d32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5864] futex(0x7f3eec68d32c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5862] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5864] <... futex resumed>)        = 0
[pid  5862] futex(0x7f3eec68d328, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5864] ioctl(4, SIOCSIFFLAGS, {ifr_name="syzkaller1", ifr_flags=IFF_UP|IFF_DYNAMIC} <unfinished ...>
[pid  5862] <... futex resumed>)        = 0
[pid  5864] <... ioctl resumed>)        = 0
[pid  5862] futex(0x7f3eec68d32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5864] futex(0x7f3eec68d32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5862] <... futex resumed>)        = 0
[pid  5862] futex(0x7f3eec68d328, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5862] futex(0x7f3eec68d32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5864] socket(AF_NETLINK, SOCK_RAW, NETLINK_NETFILTER) = 5
[pid  5864] futex(0x7f3eec68d32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5862] <... futex resumed>)        = 0
[pid  5862] futex(0x7f3eec68d328, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5862] futex(0x7f3eec68d32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5864] sendmsg(5, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x14\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x0a\x20\x00\x00\x00\x00\x0a\x03\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x09\x00\x01\x00\x73\x79\x7a\x30\x00\x00\x00\x00\x6c\x00\x00\x00\x16\x0a\x01\x02\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x09\x00\x01\x00\x73\x79\x7a\x30\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x30\x00\x00\x00\x00\x40\x00\x03\x80"..., iov_len=252}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 252
[pid  5864] futex(0x7f3eec68d32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5862] <... futex resumed>)        = 0
[pid  5862] futex(0x7f3eec68d328, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5864] write(3, "\x12\x00\x88\x64\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4046 <unfinished ...>
[pid  5862] <... futex resumed>)        = 0
[pid  5862] futex(0x7f3eec68d32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5864] <... write resumed>)        = 4046
[pid  5864] futex(0x7f3eec68d32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5862] <... futex resumed>)        = 0
[pid  5862] exit_group(0)               = ?
[pid  5864] +++ exited with 0 +++
[pid  5862] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5862, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5869 attached
, child_tidptr=0x55557d686690) = 5869
[pid  5869] set_robust_list(0x55557d6866a0, 24) = 0
[pid  5869] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5869] setpgid(0, 0)               = 0
[pid  5869] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5869] write(3, "1000", 4executing program
)         = 4
[pid  5869] close(3)                    = 0
[pid  5869] write(1, "executing program\n", 18) = 18
[pid  5869] futex(0x7f3eec68d32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5869] rt_sigaction(SIGRT_1, {sa_handler=0x7f3eec629520, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3eec61aba0}, NULL, 8) = 0
[pid  5869] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5869] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3eec59c000
[pid  5869] mprotect(0x7f3eec59d000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5869] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5869] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3eec5bc990, parent_tid=0x7f3eec5bc990, exit_signal=0, stack=0x7f3eec59c000, stack_size=0x20300, tls=0x7f3eec5bc6c0} => {parent_tid=[5870]}, 88) = 5870
./strace-static-x86_64: Process 5870 attached
[pid  5869] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5869] futex(0x7f3eec68d328, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5869] futex(0x7f3eec68d32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5870] rseq(0x7f3eec5bcfe0, 0x20, 0, 0x53053053) = 0
[pid  5870] set_robust_list(0x7f3eec5bc9a0, 24) = 0
[pid  5870] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5870] sendmsg(-1, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x14\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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=124}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = -1 EBADF (Bad file descriptor)
[pid  5870] futex(0x7f3eec68d32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5869] <... futex resumed>)        = 0
[pid  5870] openat(AT_FDCWD, "/dev/net/tun", O_WRONLY|O_CREAT|O_TRUNC|O_NOATIME, 000 <unfinished ...>
[pid  5869] futex(0x7f3eec68d328, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5870] <... openat resumed>)       = 3
[pid  5869] futex(0x7f3eec68d32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5870] futex(0x7f3eec68d32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5870] futex(0x7f3eec68d328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5869] <... futex resumed>)        = 0
[pid  5870] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5869] futex(0x7f3eec68d328, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5870] ioctl(3, TUNSETIFF, 0x200000000200 <unfinished ...>
[pid  5869] <... futex resumed>)        = 0
[pid  5869] futex(0x7f3eec68d32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5870] <... ioctl resumed>)        = 0
[pid  5870] futex(0x7f3eec68d32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5869] <... futex resumed>)        = 0
[pid  5869] futex(0x7f3eec68d328, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5869] futex(0x7f3eec68d32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5870] socket(AF_INET, SOCK_PACKET, IPPROTO_IGMP) = 4
[pid  5870] futex(0x7f3eec68d32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5869] <... futex resumed>)        = 0
[pid  5869] futex(0x7f3eec68d328, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5870] ioctl(4, SIOCSIFFLAGS, {ifr_name="syzkaller1", ifr_flags=IFF_UP|IFF_DYNAMIC} <unfinished ...>
[pid  5869] <... futex resumed>)        = 0
[pid  5869] futex(0x7f3eec68d32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5870] <... ioctl resumed>)        = 0
[pid  5870] futex(0x7f3eec68d32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5869] <... futex resumed>)        = 0
[pid  5869] futex(0x7f3eec68d328, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5869] futex(0x7f3eec68d32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5870] socket(AF_NETLINK, SOCK_RAW, NETLINK_NETFILTER) = 5
[pid  5870] futex(0x7f3eec68d32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5869] <... futex resumed>)        = 0
[pid  5869] futex(0x7f3eec68d328, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5870] sendmsg(5, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x14\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x0a\x20\x00\x00\x00\x00\x0a\x03\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x09\x00\x01\x00\x73\x79\x7a\x30\x00\x00\x00\x00\x6c\x00\x00\x00\x16\x0a\x01\x02\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x09\x00\x01\x00\x73\x79\x7a\x30\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x30\x00\x00\x00\x00\x40\x00\x03\x80"..., iov_len=252}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 <unfinished ...>
[pid  5869] futex(0x7f3eec68d32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5870] <... sendmsg resumed>)      = 252
[pid  5870] futex(0x7f3eec68d32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5869] <... futex resumed>)        = 0
[pid  5869] futex(0x7f3eec68d328, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5869] futex(0x7f3eec68d32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5870] write(3, "\x12\x00\x88\x64\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4046) = 4046
[pid  5870] futex(0x7f3eec68d32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5869] <... futex resumed>)        = 0
[pid  5869] exit_group(0)               = ?
[pid  5870] +++ exited with 0 +++
[pid  5869] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5869, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5876 attached
, child_tidptr=0x55557d686690) = 5876
[pid  5876] set_robust_list(0x55557d6866a0, 24) = 0
[pid  5876] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5876] setpgid(0, 0)               = 0
[pid  5876] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5876] write(3, "1000", 4)         = 4
[pid  5876] close(3executing program
)                    = 0
[pid  5876] write(1, "executing program\n", 18) = 18
[pid  5876] futex(0x7f3eec68d32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5876] rt_sigaction(SIGRT_1, {sa_handler=0x7f3eec629520, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3eec61aba0}, NULL, 8) = 0
[pid  5876] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5876] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3eec59c000
[pid  5876] mprotect(0x7f3eec59d000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5876] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5876] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3eec5bc990, parent_tid=0x7f3eec5bc990, exit_signal=0, stack=0x7f3eec59c000, stack_size=0x20300, tls=0x7f3eec5bc6c0} => {parent_tid=[5877]}, 88) = 5877
[pid  5876] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5876] futex(0x7f3eec68d328, FUTEX_WAKE_PRIVATE, 1000000) = 0
./strace-static-x86_64: Process 5877 attached
[pid  5877] rseq(0x7f3eec5bcfe0, 0x20, 0, 0x53053053) = 0
[pid  5876] futex(0x7f3eec68d32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5877] set_robust_list(0x7f3eec5bc9a0, 24) = 0
[pid  5877] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5877] sendmsg(-1, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x14\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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=124}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = -1 EBADF (Bad file descriptor)
[pid  5877] futex(0x7f3eec68d32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5876] <... futex resumed>)        = 0
[pid  5877] futex(0x7f3eec68d328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5876] futex(0x7f3eec68d328, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5877] <... futex resumed>)        = 0
[pid  5876] <... futex resumed>)        = 1
[pid  5876] futex(0x7f3eec68d32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5877] openat(AT_FDCWD, "/dev/net/tun", O_WRONLY|O_CREAT|O_TRUNC|O_NOATIME, 000) = 3
[pid  5877] futex(0x7f3eec68d32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5877] futex(0x7f3eec68d328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5876] <... futex resumed>)        = 0
[pid  5877] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5876] futex(0x7f3eec68d328, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5877] ioctl(3, TUNSETIFF, 0x200000000200 <unfinished ...>
[pid  5876] <... futex resumed>)        = 0
[pid  5877] <... ioctl resumed>)        = 0
[pid  5876] futex(0x7f3eec68d32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5877] futex(0x7f3eec68d32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5877] futex(0x7f3eec68d328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5876] <... futex resumed>)        = 0
[pid  5876] futex(0x7f3eec68d328, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5877] <... futex resumed>)        = 0
[pid  5876] <... futex resumed>)        = 1
[pid  5877] socket(AF_INET, SOCK_PACKET, IPPROTO_IGMP <unfinished ...>
[pid  5876] futex(0x7f3eec68d32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5877] <... socket resumed>)       = 4
[pid  5877] futex(0x7f3eec68d32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5876] <... futex resumed>)        = 0
[pid  5877] ioctl(4, SIOCSIFFLAGS, {ifr_name="syzkaller1", ifr_flags=IFF_UP|IFF_DYNAMIC} <unfinished ...>
[pid  5876] futex(0x7f3eec68d328, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5877] <... ioctl resumed>)        = 0
[pid  5876] futex(0x7f3eec68d32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5877] futex(0x7f3eec68d32c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5876] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5877] <... futex resumed>)        = 0
[pid  5877] socket(AF_NETLINK, SOCK_RAW, NETLINK_NETFILTER <unfinished ...>
[pid  5876] futex(0x7f3eec68d328, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5877] <... socket resumed>)       = 5
[pid  5876] <... futex resumed>)        = 0
[pid  5877] futex(0x7f3eec68d32c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5876] futex(0x7f3eec68d32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5877] <... futex resumed>)        = 0
[pid  5876] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5877] futex(0x7f3eec68d328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5876] futex(0x7f3eec68d328, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5877] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5876] <... futex resumed>)        = 0
[pid  5877] sendmsg(5, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x14\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x0a\x20\x00\x00\x00\x00\x0a\x03\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x09\x00\x01\x00\x73\x79\x7a\x30\x00\x00\x00\x00\x6c\x00\x00\x00\x16\x0a\x01\x02\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x09\x00\x01\x00\x73\x79\x7a\x30\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x30\x00\x00\x00\x00\x40\x00\x03\x80"..., iov_len=252}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 <unfinished ...>
[pid  5876] futex(0x7f3eec68d32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5877] <... sendmsg resumed>)      = 252
[pid  5877] futex(0x7f3eec68d32c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5876] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid  5877] <... futex resumed>)        = 0
[pid  5876] futex(0x7f3eec68d328, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5877] write(3, "\x12\x00\x88\x64\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4046 <unfinished ...>
[pid  5876] <... futex resumed>)        = 0
[pid  5877] <... write resumed>)        = 4046
[pid  5876] futex(0x7f3eec68d32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5877] futex(0x7f3eec68d32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5876] <... futex resumed>)        = 0
[pid  5876] exit_group(0)               = ?
[pid  5877] +++ exited with 0 +++
[pid  5876] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5876, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5881 attached
, child_tidptr=0x55557d686690) = 5881
[pid  5881] set_robust_list(0x55557d6866a0, 24) = 0
[pid  5881] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5881] setpgid(0, 0)               = 0
[pid  5881] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5881] write(3, "1000", 4)         = 4
executing program
[pid  5881] close(3)                    = 0
[pid  5881] write(1, "executing program\n", 18) = 18
[pid  5881] futex(0x7f3eec68d32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5881] rt_sigaction(SIGRT_1, {sa_handler=0x7f3eec629520, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3eec61aba0}, NULL, 8) = 0
[pid  5881] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5881] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3eec59c000
[pid  5881] mprotect(0x7f3eec59d000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5881] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5881] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3eec5bc990, parent_tid=0x7f3eec5bc990, exit_signal=0, stack=0x7f3eec59c000, stack_size=0x20300, tls=0x7f3eec5bc6c0}./strace-static-x86_64: Process 5883 attached
 => {parent_tid=[5883]}, 88) = 5883
[pid  5881] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5881] futex(0x7f3eec68d328, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5883] rseq(0x7f3eec5bcfe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5881] <... futex resumed>)        = 0
[pid  5883] <... rseq resumed>)         = 0
[pid  5881] futex(0x7f3eec68d32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5883] set_robust_list(0x7f3eec5bc9a0, 24) = 0
[pid  5883] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5883] sendmsg(-1, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x14\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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=124}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = -1 EBADF (Bad file descriptor)
[pid  5883] futex(0x7f3eec68d32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5881] <... futex resumed>)        = 0
[pid  5881] futex(0x7f3eec68d328, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5883] openat(AT_FDCWD, "/dev/net/tun", O_WRONLY|O_CREAT|O_TRUNC|O_NOATIME, 000 <unfinished ...>
[pid  5881] <... futex resumed>)        = 0
[pid  5883] <... openat resumed>)       = 3
[pid  5881] futex(0x7f3eec68d32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5883] futex(0x7f3eec68d32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5881] <... futex resumed>)        = 0
[pid  5883] futex(0x7f3eec68d328, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable)
[pid  5881] futex(0x7f3eec68d328, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5883] ioctl(3, TUNSETIFF, 0x200000000200 <unfinished ...>
[pid  5881] <... futex resumed>)        = 0
[pid  5881] futex(0x7f3eec68d32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5883] <... ioctl resumed>)        = 0
[pid  5883] futex(0x7f3eec68d32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5881] <... futex resumed>)        = 0
[pid  5881] futex(0x7f3eec68d328, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5881] futex(0x7f3eec68d32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5883] socket(AF_INET, SOCK_PACKET, IPPROTO_IGMP) = 4
[pid  5883] futex(0x7f3eec68d32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5881] <... futex resumed>)        = 0
[pid  5881] futex(0x7f3eec68d328, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5881] futex(0x7f3eec68d32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5883] ioctl(4, SIOCSIFFLAGS, {ifr_name="syzkaller1", ifr_flags=IFF_UP|IFF_DYNAMIC}) = 0
[pid  5883] futex(0x7f3eec68d32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5881] <... futex resumed>)        = 0
[pid  5881] futex(0x7f3eec68d328, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5881] futex(0x7f3eec68d32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5883] socket(AF_NETLINK, SOCK_RAW, NETLINK_NETFILTER) = 5
[pid  5883] futex(0x7f3eec68d32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5881] <... futex resumed>)        = 0
[pid  5881] futex(0x7f3eec68d328, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5883] sendmsg(5, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x14\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x0a\x20\x00\x00\x00\x00\x0a\x03\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x09\x00\x01\x00\x73\x79\x7a\x30\x00\x00\x00\x00\x6c\x00\x00\x00\x16\x0a\x01\x02\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x09\x00\x01\x00\x73\x79\x7a\x30\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x30\x00\x00\x00\x00\x40\x00\x03\x80"..., iov_len=252}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 <unfinished ...>
[pid  5881] futex(0x7f3eec68d32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5883] <... sendmsg resumed>)      = 252
[pid  5881] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid  5883] futex(0x7f3eec68d32c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5881] futex(0x7f3eec68d33c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5883] <... futex resumed>)        = 0
[pid  5881] <... futex resumed>)        = 0
[pid  5883] futex(0x7f3eec68d328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5881] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3eec57b000
[pid  5881] mprotect(0x7f3eec57c000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5881] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5881] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3eec59b990, parent_tid=0x7f3eec59b990, exit_signal=0, stack=0x7f3eec57b000, stack_size=0x20300, tls=0x7f3eec59b6c0} => {parent_tid=[5884]}, 88) = 5884
[pid  5881] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5881] futex(0x7f3eec68d338, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5881] futex(0x7f3eec68d33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5884 attached
 <unfinished ...>
[pid  5884] rseq(0x7f3eec59bfe0, 0x20, 0, 0x53053053) = 0
[pid  5884] set_robust_list(0x7f3eec59b9a0, 24) = 0
[pid  5884] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5884] write(3, "\x12\x00\x88\x64\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4046) = 4046
[pid  5884] futex(0x7f3eec68d33c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5884] futex(0x7f3eec68d338, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5881] <... futex resumed>)        = 0
[pid  5881] exit_group(0 <unfinished ...>
[pid  5884] <... futex resumed>)        = ?
[pid  5883] <... futex resumed>)        = ?
[pid  5881] <... exit_group resumed>)   = ?
[pid  5884] +++ exited with 0 +++
[pid  5883] +++ exited with 0 +++
[pid  5881] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5881, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5887 attached
, child_tidptr=0x55557d686690) = 5887
[pid  5887] set_robust_list(0x55557d6866a0, 24) = 0
[pid  5887] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5887] setpgid(0, 0)               = 0
[pid  5887] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5887] write(3, "1000", 4executing program
)         = 4
[pid  5887] close(3)                    = 0
[pid  5887] write(1, "executing program\n", 18) = 18
[pid  5887] futex(0x7f3eec68d32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5887] rt_sigaction(SIGRT_1, {sa_handler=0x7f3eec629520, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3eec61aba0}, NULL, 8) = 0
[pid  5887] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5887] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3eec59c000
[pid  5887] mprotect(0x7f3eec59d000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5887] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5887] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3eec5bc990, parent_tid=0x7f3eec5bc990, exit_signal=0, stack=0x7f3eec59c000, stack_size=0x20300, tls=0x7f3eec5bc6c0}./strace-static-x86_64: Process 5888 attached
 => {parent_tid=[5888]}, 88) = 5888
[pid  5887] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5887] futex(0x7f3eec68d328, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5888] rseq(0x7f3eec5bcfe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5887] <... futex resumed>)        = 0
[pid  5888] <... rseq resumed>)         = 0
[pid  5887] futex(0x7f3eec68d32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5888] set_robust_list(0x7f3eec5bc9a0, 24) = 0
[pid  5888] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5888] sendmsg(-1, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x14\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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=124}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = -1 EBADF (Bad file descriptor)
[pid  5888] futex(0x7f3eec68d32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5888] futex(0x7f3eec68d328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5887] <... futex resumed>)        = 0
[pid  5887] futex(0x7f3eec68d328, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5888] <... futex resumed>)        = 0
[pid  5887] futex(0x7f3eec68d32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5888] openat(AT_FDCWD, "/dev/net/tun", O_WRONLY|O_CREAT|O_TRUNC|O_NOATIME, 000) = 3
[pid  5888] futex(0x7f3eec68d32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5887] <... futex resumed>)        = 0
[pid  5887] futex(0x7f3eec68d328, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5887] futex(0x7f3eec68d32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5888] ioctl(3, TUNSETIFF, 0x200000000200) = 0
[pid  5888] futex(0x7f3eec68d32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5887] <... futex resumed>)        = 0
[pid  5888] socket(AF_INET, SOCK_PACKET, IPPROTO_IGMP <unfinished ...>
[pid  5887] futex(0x7f3eec68d328, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5888] <... socket resumed>)       = 4
[pid  5887] <... futex resumed>)        = 0
[pid  5888] futex(0x7f3eec68d32c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5887] futex(0x7f3eec68d32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5888] <... futex resumed>)        = 0
[pid  5888] futex(0x7f3eec68d328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5887] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5887] futex(0x7f3eec68d328, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5888] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5887] <... futex resumed>)        = 0
[pid  5888] ioctl(4, SIOCSIFFLAGS, {ifr_name="syzkaller1", ifr_flags=IFF_UP|IFF_DYNAMIC} <unfinished ...>
[pid  5887] futex(0x7f3eec68d32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5888] <... ioctl resumed>)        = 0
[pid  5888] futex(0x7f3eec68d32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5887] <... futex resumed>)        = 0
[pid  5887] futex(0x7f3eec68d328, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5887] futex(0x7f3eec68d32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5888] socket(AF_NETLINK, SOCK_RAW, NETLINK_NETFILTER) = 5
[pid  5888] futex(0x7f3eec68d32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5887] <... futex resumed>)        = 0
[pid  5888] futex(0x7f3eec68d328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5887] futex(0x7f3eec68d328, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5888] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5887] futex(0x7f3eec68d32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5888] sendmsg(5, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x14\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x0a\x20\x00\x00\x00\x00\x0a\x03\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x09\x00\x01\x00\x73\x79\x7a\x30\x00\x00\x00\x00\x6c\x00\x00\x00\x16\x0a\x01\x02\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x09\x00\x01\x00\x73\x79\x7a\x30\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x30\x00\x00\x00\x00\x40\x00\x03\x80"..., iov_len=252}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 <unfinished ...>
[pid  5887] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid  5887] futex(0x7f3eec68d33c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5887] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3eec57b000
[pid  5887] mprotect(0x7f3eec57c000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5887] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5887] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3eec59b990, parent_tid=0x7f3eec59b990, exit_signal=0, stack=0x7f3eec57b000, stack_size=0x20300, tls=0x7f3eec59b6c0}./strace-static-x86_64: Process 5890 attached
 => {parent_tid=[5890]}, 88) = 5890
[pid  5887] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5890] rseq(0x7f3eec59bfe0, 0x20, 0, 0x53053053) = 0
[pid  5887] futex(0x7f3eec68d338, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5890] set_robust_list(0x7f3eec59b9a0, 24 <unfinished ...>
[pid  5887] <... futex resumed>)        = 0
[pid  5890] <... set_robust_list resumed>) = 0
[pid  5890] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5887] futex(0x7f3eec68d33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5890] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5890] write(3, "\x12\x00\x88\x64\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4046 <unfinished ...>
[pid  5887] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[  178.496570][ T5890] =====================================================
[  178.503967][ T5890] BUG: KMSAN: uninit-value in nf_flow_offload_inet_hook+0x7e4/0x940
[  178.512310][ T5890]  nf_flow_offload_inet_hook+0x7e4/0x940
[  178.518171][ T5890]  nf_hook_slow+0xe1/0x3d0
[  178.522883][ T5890]  __netif_receive_skb_core+0x4aff/0x70c0
[  178.528849][ T5890]  __netif_receive_skb+0xcc/0xac0
[  178.534113][ T5890]  netif_receive_skb+0x57/0x630
[  178.539192][ T5890]  tun_rx_batched+0x1df/0x980
[  178.544223][ T5890]  tun_get_user+0x4ee0/0x6b40
[  178.549084][ T5890]  tun_chr_write_iter+0x3e9/0x5c0
[  178.554351][ T5890]  vfs_write+0xb4b/0x1580
[  178.558880][ T5890]  __x64_sys_write+0x1fb/0x4d0
[  178.564022][ T5890]  x64_sys_call+0x38c3/0x3db0
[  178.568915][ T5890]  do_syscall_64+0xd9/0x210
[  178.574035][ T5890]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  178.580198][ T5890] 
[  178.582633][ T5890] Uninit was created at:
[  178.587117][ T5890]  kmem_cache_alloc_node_noprof+0x818/0xf00
[  178.593322][ T5890]  kmalloc_reserve+0x13c/0x4b0
[  178.598373][ T5890]  __alloc_skb+0x347/0x7d0
[  178.603112][ T5890]  alloc_skb_with_frags+0xc5/0xa60
[  178.608443][ T5890]  sock_alloc_send_pskb+0xad8/0xc70
[  178.613939][ T5890]  tun_get_user+0x1019/0x6b40
[  178.618805][ T5890]  tun_chr_write_iter+0x3e9/0x5c0
[  178.624142][ T5890]  vfs_write+0xb4b/0x1580
[  178.628688][ T5890]  __x64_sys_write+0x1fb/0x4d0
[  178.633818][ T5890]  x64_sys_call+0x38c3/0x3db0
[  178.638698][ T5890]  do_syscall_64+0xd9/0x210
[  178.643492][ T5890]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  178.649644][ T5890] 
[  178.652099][ T5890] CPU: 0 UID: 0 PID: 5890 Comm: syz-executor738 Not tainted 6.16.0-rc4-syzkaller-00324-g1f988d0788f5 #0 PREEMPT(undef) 
[  178.664883][ T5890] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[  178.675175][ T5890] =====================================================
[  178.682308][ T5890] Disabling lock debugging due to kernel taint
[  178.688581][ T5890] Kernel panic - not syncing: kmsan.panic set ...
[  178.695159][ T5890] CPU: 0 UID: 0 PID: 5890 Comm: syz-executor738 Tainted: G    B               6.16.0-rc4-syzkaller-00324-g1f988d0788f5 #0 PREEMPT(undef) 
[  178.709449][ T5890] Tainted: [B]=BAD_PAGE
[  178.713720][ T5890] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[  178.723930][ T5890] Call Trace:
[  178.727326][ T5890]  <TASK>
[  178.730376][ T5890]  __dump_stack+0x26/0x30
[  178.734910][ T5890]  dump_stack_lvl+0x53/0x270
[  178.739701][ T5890]  ? kmsan_get_shadow_origin_ptr+0x4a/0xb0
[  178.745744][ T5890]  dump_stack+0x1e/0x25
[  178.750093][ T5890]  panic+0x4bd/0xd50
[  178.754258][ T5890]  kmsan_report+0x31c/0x320
[  178.758978][ T5890]  ? __msan_warning+0x1b/0x30
[  178.763857][ T5890]  ? nf_flow_offload_inet_hook+0x7e4/0x940
[  178.769882][ T5890]  ? nf_hook_slow+0xe1/0x3d0
[  178.774679][ T5890]  ? __netif_receive_skb_core+0x4aff/0x70c0
[  178.780813][ T5890]  ? __netif_receive_skb+0xcc/0xac0
[  178.786195][ T5890]  ? netif_receive_skb+0x57/0x630
[  178.791445][ T5890]  ? tun_rx_batched+0x1df/0x980
[  178.796482][ T5890]  ? tun_get_user+0x4ee0/0x6b40
[  178.801522][ T5890]  ? tun_chr_write_iter+0x3e9/0x5c0
[  178.806914][ T5890]  ? vfs_write+0xb4b/0x1580
[  178.811632][ T5890]  ? __x64_sys_write+0x1fb/0x4d0
[  178.816788][ T5890]  ? x64_sys_call+0x38c3/0x3db0
[  178.821850][ T5890]  ? do_syscall_64+0xd9/0x210
[  178.826752][ T5890]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  178.833033][ T5890]  ? kmsan_get_metadata+0xfb/0x160
[  178.838379][ T5890]  ? kmsan_get_shadow_origin_ptr+0x4a/0xb0
[  178.844424][ T5890]  ? __pskb_pull_tail+0x1779/0x2660
[  178.849840][ T5890]  ? kmsan_get_metadata+0xfb/0x160
[  178.855189][ T5890]  __msan_warning+0x1b/0x30
[  178.859900][ T5890]  nf_flow_offload_inet_hook+0x7e4/0x940
[  178.865749][ T5890]  ? kmsan_get_metadata+0xfb/0x160
[  178.871090][ T5890]  ? __pfx_nf_flow_offload_inet_hook+0x10/0x10
[  178.877476][ T5890]  ? __pfx_nf_flow_offload_inet_hook+0x10/0x10
[  178.883845][ T5890]  nf_hook_slow+0xe1/0x3d0
[  178.888490][ T5890]  __netif_receive_skb_core+0x4aff/0x70c0
[  178.894469][ T5890]  ? kmsan_get_shadow_origin_ptr+0x4a/0xb0
[  178.901389][ T5890]  ? filter_irq_stacks+0x49/0x190
[  178.906648][ T5890]  __netif_receive_skb+0xcc/0xac0
[  178.911885][ T5890]  netif_receive_skb+0x57/0x630
[  178.916964][ T5890]  ? kmsan_get_shadow_origin_ptr+0x4a/0xb0
[  178.923009][ T5890]  ? tun_rx_batched+0x16c/0x980
[  178.928063][ T5890]  tun_rx_batched+0x1df/0x980
[  178.932947][ T5890]  ? kmsan_get_metadata+0xfb/0x160
[  178.938299][ T5890]  tun_get_user+0x4ee0/0x6b40
[  178.943173][ T5890]  ? stack_depot_save_flags+0x35/0x7b0
[  178.948828][ T5890]  ? __rcu_read_unlock+0x6d/0xd0
[  178.953952][ T5890]  ? kmsan_get_metadata+0xfb/0x160
[  178.959289][ T5890]  ? kmsan_get_metadata+0xfb/0x160
[  178.964616][ T5890]  ? kmsan_internal_set_shadow_origin+0x79/0x110
[  178.971176][ T5890]  ? kmsan_internal_unpoison_memory+0x14/0x20
[  178.977531][ T5890]  tun_chr_write_iter+0x3e9/0x5c0
[  178.982781][ T5890]  vfs_write+0xb4b/0x1580
[  178.987352][ T5890]  ? __pfx_tun_chr_write_iter+0x10/0x10
[  178.993100][ T5890]  __x64_sys_write+0x1fb/0x4d0
[  178.998122][ T5890]  x64_sys_call+0x38c3/0x3db0
[  179.003025][ T5890]  do_syscall_64+0xd9/0x210
[  179.007762][ T5890]  ? ret_from_fork+0x1a5/0x310
[  179.012713][ T5890]  ? clear_bhb_loop+0x40/0x90
[  179.017582][ T5890]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  179.023671][ T5890] RIP: 0033:0x7f3eec6035e9
[  179.028248][ T5890] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[  179.048054][ T5890] RSP: 002b:00007f3eec59b218 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  179.056683][ T5890] RAX: ffffffffffffffda RBX: 00007f3eec68d338 RCX: 00007f3eec6035e9
[  179.064821][ T5890] RDX: 0000000000000fce RSI: 00002000000003c0 RDI: 0000000000000003
[  179.072953][ T5890] RBP: 00007f3eec68d330 R08: 00007ffc6e586c17 R09: 0000000000000000
[  179.081099][ T5890] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3eec65a074
[  179.089231][ T5890] R13: 0000200000000200 R14: 00002000000003c0 R15: 0000200000000210
[  179.097397][ T5890]  </TASK>
[  179.100810][ T5890] Kernel Offset: disabled
[  179.105209][ T5890] Rebooting in 86400 seconds..