./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2498163103 <...> Warning: Permanently added '10.128.10.54' (ED25519) to the list of known hosts. execve("./syz-executor2498163103", ["./syz-executor2498163103"], 0x7ffeff1b1d40 /* 10 vars */) = 0 brk(NULL) = 0x555585fe7000 brk(0x555585fe7d40) = 0x555585fe7d40 arch_prctl(ARCH_SET_FS, 0x555585fe73c0) = 0 set_tid_address(0x555585fe7690) = 309 set_robust_list(0x555585fe76a0, 24) = 0 rseq(0x555585fe7ce0, 0x20, 0, 0x53053053) = -1 ENOSYS (Function not implemented) prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2498163103", 4096) = 28 getrandom("\xb0\xa9\x48\xe4\xb4\x71\x12\x16", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555585fe7d40 brk(0x555586008d40) = 0x555586008d40 brk(0x555586009000) = 0x555586009000 mprotect(0x7f7e7623c000, 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 unshare(CLONE_NEWPID) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555585fe7690) = 310 ./strace-static-x86_64: Process 310 attached [pid 310] set_robust_list(0x555585fe76a0, 24) = 0 [pid 310] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 310] getppid() = 0 [pid 310] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 310] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 310] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 310] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 310] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 310] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 310] unshare(CLONE_NEWNS) = 0 [pid 310] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 310] unshare(CLONE_NEWIPC) = -1 EINVAL (Invalid argument) [pid 310] unshare(CLONE_NEWCGROUP) = 0 [pid 310] unshare(CLONE_NEWUTS) = 0 [pid 310] unshare(CLONE_SYSVSEM) = 0 [pid 310] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 310] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 310] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 310] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 310] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 310] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 310] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 310] getpid() = 1 [pid 310] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< {parent_tid=[3]}, 88) = 3 [pid 317] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 317] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 317] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 318 attached [pid 318] set_robust_list(0x7f7e7616e9a0, 24) = 0 [pid 318] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 318] memfd_create("syzkaller", 0) = 3 [pid 318] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7e6dd4e000 [ 44.715441][ T310] request_module fs-gadgetfs succeeded, but still no fs? [pid 318] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119) = 20699119 [pid 318] munmap(0x7f7e6dd4e000, 138412032) = 0 [pid 318] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 318] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 318] close(3) = 0 [pid 318] close(4) = 0 [pid 318] mkdir("./bus", 0777) = 0 [ 44.898362][ T318] F2FS-fs (loop0): Invalid log_blocksize (268), supports only 12 [ 44.907406][ T318] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [ 44.917671][ T318] F2FS-fs (loop0): invalid crc value [ 44.925370][ T318] F2FS-fs (loop0): Found nat_bits in checkpoint [pid 318] mount("/dev/loop0", "./bus", "f2fs", MS_NODEV|MS_SYNCHRONOUS|MS_SILENT|MS_I_VERSION|MS_STRICTATIME, "") = 0 [pid 318] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 318] chdir("./bus") = 0 [pid 318] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 318] ioctl(4, LOOP_CLR_FD) = 0 [pid 318] close(4) = 0 [pid 318] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 318] futex(0x7f7e76242728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 317] <... futex resumed>) = 0 [pid 317] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 317] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 318] <... futex resumed>) = 0 [pid 318] bind(-1, NULL, 0) = -1 EBADF (Bad file descriptor) [pid 318] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 317] <... futex resumed>) = 0 [pid 317] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 317] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 318] <... futex resumed>) = 1 [pid 318] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 4 [pid 318] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 317] <... futex resumed>) = 0 [pid 317] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 317] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 318] <... futex resumed>) = 1 [pid 318] ioctl(4, SIOCGIFINDEX, {ifr_name="veth0_vlan", ifr_ifindex=43}) = 0 [pid 318] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 317] <... futex resumed>) = 0 [pid 317] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 317] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 318] <... futex resumed>) = 1 [pid 318] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 5 [pid 318] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 317] <... futex resumed>) = 0 [pid 317] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 317] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 318] <... futex resumed>) = 1 [pid 318] ioctl(5, SIOCGIFINDEX, {ifr_name="vlan0", ifr_ifindex=44}) = 0 [pid 318] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 317] <... futex resumed>) = 0 [pid 317] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 317] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 318] <... futex resumed>) = 1 [pid 318] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWCGROUP|CLONE_NEWPID|CLONE_NEWNET) = 0 [pid 318] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 317] <... futex resumed>) = 0 [pid 317] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 317] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 318] <... futex resumed>) = 1 [pid 318] gettid() = 3 [pid 318] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 317] <... futex resumed>) = 0 [pid 317] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 317] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 318] <... futex resumed>) = 1 [ 44.956581][ T318] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [ 44.963538][ T318] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [pid 318] sendmsg(5, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2c\x00\x00\x00\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x03\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 40 [pid 318] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 317] <... futex resumed>) = 0 [pid 317] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 317] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 318] <... futex resumed>) = 1 [pid 318] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2b\x00\x00\x00\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x03\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 317] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 318] <... sendmsg resumed>) = 40 [pid 318] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 318] futex(0x7f7e76242728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 317] close(3) = 0 [pid 317] close(4) = 0 [pid 317] close(5) = 0 [pid 317] close(6) = -1 EBADF (Bad file descriptor) [pid 317] close(7) = -1 EBADF (Bad file descriptor) [pid 317] close(8) = -1 EBADF (Bad file descriptor) [pid 317] close(9) = -1 EBADF (Bad file descriptor) [pid 317] close(10) = -1 EBADF (Bad file descriptor) [pid 317] close(11) = -1 EBADF (Bad file descriptor) [pid 317] close(12) = -1 EBADF (Bad file descriptor) [pid 317] close(13) = -1 EBADF (Bad file descriptor) [pid 317] close(14) = -1 EBADF (Bad file descriptor) [pid 317] close(15) = -1 EBADF (Bad file descriptor) [pid 317] close(16) = -1 EBADF (Bad file descriptor) [pid 317] close(17) = -1 EBADF (Bad file descriptor) [pid 317] close(18) = -1 EBADF (Bad file descriptor) [pid 317] close(19) = -1 EBADF (Bad file descriptor) [pid 317] close(20) = -1 EBADF (Bad file descriptor) [pid 317] close(21) = -1 EBADF (Bad file descriptor) [pid 317] close(22) = -1 EBADF (Bad file descriptor) [pid 317] close(23) = -1 EBADF (Bad file descriptor) [pid 317] close(24) = -1 EBADF (Bad file descriptor) [pid 317] close(25) = -1 EBADF (Bad file descriptor) [pid 317] close(26) = -1 EBADF (Bad file descriptor) [pid 317] close(27) = -1 EBADF (Bad file descriptor) [pid 317] close(28) = -1 EBADF (Bad file descriptor) [pid 317] close(29) = -1 EBADF (Bad file descriptor) [pid 317] exit_group(0) = ? [pid 318] <... futex resumed>) = ? [pid 318] +++ exited with 0 +++ [pid 317] +++ exited with 0 +++ [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=4, si_stime=17} --- [pid 310] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 310] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 310] ioctl(3, LOOP_CLR_FD) = 0 [pid 310] close(3) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555585fe7690) = 4 ./strace-static-x86_64: Process 324 attached [pid 324] set_robust_list(0x555585fe76a0, 24) = 0 [pid 324] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 324] setpgid(0, 0) = 0 [pid 324] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 324] write(3, "1000", 4) = 4 [pid 324] close(3) = 0 [pid 324] write(1, "executing program\n", 18executing program ) = 18 [pid 324] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 324] rt_sigaction(SIGRT_1, {sa_handler=0x7f7e761dd510, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7e761cebc0}, NULL, 8) = 0 [pid 324] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 324] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7e7614e000 [pid 324] mprotect(0x7f7e7614f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 324] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 324] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7e7616e990, parent_tid=0x7f7e7616e990, exit_signal=0, stack=0x7f7e7614e000, stack_size=0x20300, tls=0x7f7e7616e6c0} => {parent_tid=[5]}, 88) = 5 ./strace-static-x86_64: Process 325 attached [pid 324] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 324] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 324] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 325] set_robust_list(0x7f7e7616e9a0, 24) = 0 [pid 325] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 325] memfd_create("syzkaller", 0) = 3 [pid 325] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7e6dd4e000 [ 45.092940][ T318] device veth0_vlan left promiscuous mode [ 45.098874][ T318] device veth0_vlan entered promiscuous mode [pid 325] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119) = 20699119 [pid 325] munmap(0x7f7e6dd4e000, 138412032) = 0 [pid 325] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 325] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 325] ioctl(4, LOOP_CLR_FD) = 0 [pid 325] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 325] close(4) = 0 [pid 325] close(3) = 0 [pid 325] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 325] futex(0x7f7e76242728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 324] <... futex resumed>) = 0 [pid 324] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 324] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 325] <... futex resumed>) = 0 [pid 325] bind(-1, NULL, 0) = -1 EBADF (Bad file descriptor) [pid 325] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 324] <... futex resumed>) = 0 [pid 324] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 324] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 325] <... futex resumed>) = 1 [pid 325] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 325] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 324] <... futex resumed>) = 0 [pid 324] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 324] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 325] <... futex resumed>) = 1 [pid 325] ioctl(3, SIOCGIFINDEX, {ifr_name="veth0_vlan"}) = -1 ENODEV (No such device) [pid 325] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 324] <... futex resumed>) = 0 [pid 324] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000 [pid 325] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 324] <... futex resumed>) = 0 [pid 324] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 325] <... socket resumed>) = 4 [pid 325] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 324] <... futex resumed>) = 0 [pid 325] ioctl(4, SIOCGIFINDEX, {ifr_name="vlan0" [pid 324] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 324] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 325] <... ioctl resumed>}) = -1 ENODEV (No such device) [pid 325] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 324] <... futex resumed>) = 0 [pid 324] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 325] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWCGROUP|CLONE_NEWPID|CLONE_NEWNET [pid 324] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 325] <... unshare resumed>) = 0 [pid 325] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 324] <... futex resumed>) = 0 [pid 325] gettid( [pid 324] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000 [pid 325] <... gettid resumed>) = 5 [pid 324] <... futex resumed>) = 0 [pid 325] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 324] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 325] <... futex resumed>) = 0 [pid 324] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 325] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x05\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 324] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 324] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 325] <... sendmsg resumed>) = 40 [pid 325] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 324] <... futex resumed>) = 0 [pid 325] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x05\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 324] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 324] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 325] <... sendmsg resumed>) = 40 [pid 325] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 324] <... futex resumed>) = 0 [pid 325] <... futex resumed>) = 1 [pid 324] close(3) = 0 [pid 325] futex(0x7f7e76242728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 324] close(4) = 0 [pid 324] close(5) = -1 EBADF (Bad file descriptor) [pid 324] close(6) = -1 EBADF (Bad file descriptor) [pid 324] close(7) = -1 EBADF (Bad file descriptor) [pid 324] close(8) = -1 EBADF (Bad file descriptor) [pid 324] close(9) = -1 EBADF (Bad file descriptor) [pid 324] close(10) = -1 EBADF (Bad file descriptor) [pid 324] close(11) = -1 EBADF (Bad file descriptor) [pid 324] close(12) = -1 EBADF (Bad file descriptor) [pid 324] close(13) = -1 EBADF (Bad file descriptor) [pid 324] close(14) = -1 EBADF (Bad file descriptor) [pid 324] close(15) = -1 EBADF (Bad file descriptor) [pid 324] close(16) = -1 EBADF (Bad file descriptor) [pid 324] close(17) = -1 EBADF (Bad file descriptor) [pid 324] close(18) = -1 EBADF (Bad file descriptor) [pid 324] close(19) = -1 EBADF (Bad file descriptor) [pid 324] close(20) = -1 EBADF (Bad file descriptor) [pid 324] close(21) = -1 EBADF (Bad file descriptor) [pid 324] close(22) = -1 EBADF (Bad file descriptor) [pid 324] close(23) = -1 EBADF (Bad file descriptor) [pid 324] close(24) = -1 EBADF (Bad file descriptor) [pid 324] close(25) = -1 EBADF (Bad file descriptor) [pid 324] close(26) = -1 EBADF (Bad file descriptor) [pid 324] close(27) = -1 EBADF (Bad file descriptor) [pid 324] close(28) = -1 EBADF (Bad file descriptor) [pid 324] close(29) = -1 EBADF (Bad file descriptor) [pid 324] exit_group(0) = ? [pid 325] <... futex resumed>) = ? [pid 325] +++ exited with 0 +++ [pid 324] +++ exited with 0 +++ [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4, si_uid=0, si_status=0, si_utime=4, si_stime=11} --- [pid 310] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 310] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 310] ioctl(3, LOOP_CLR_FD) = 0 [pid 310] close(3) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555585fe7690) = 6 ./strace-static-x86_64: Process 327 attached [pid 327] set_robust_list(0x555585fe76a0, 24) = 0 [pid 327] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 327] setpgid(0, 0) = 0 [pid 327] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 327] write(3, "1000", 4) = 4 [pid 327] close(3) = 0 [pid 327] write(1, "executing program\n", 18executing program ) = 18 [pid 327] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 327] rt_sigaction(SIGRT_1, {sa_handler=0x7f7e761dd510, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7e761cebc0}, NULL, 8) = 0 [pid 327] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 327] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7e7614e000 [pid 327] mprotect(0x7f7e7614f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 327] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 327] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7e7616e990, parent_tid=0x7f7e7616e990, exit_signal=0, stack=0x7f7e7614e000, stack_size=0x20300, tls=0x7f7e7616e6c0} => {parent_tid=[7]}, 88) = 7 [pid 327] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 327] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 327] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 328 attached [pid 328] set_robust_list(0x7f7e7616e9a0, 24) = 0 [pid 328] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 328] memfd_create("syzkaller", 0) = 3 [pid 328] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7e6dd4e000 [pid 328] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119) = 20699119 [pid 328] munmap(0x7f7e6dd4e000, 138412032) = 0 [pid 328] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 328] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 328] ioctl(4, LOOP_CLR_FD) = 0 [pid 328] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 328] close(4) = 0 [pid 328] close(3) = 0 [pid 328] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 328] futex(0x7f7e76242728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 327] <... futex resumed>) = 0 [pid 327] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 327] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 328] <... futex resumed>) = 0 [pid 328] bind(-1, NULL, 0) = -1 EBADF (Bad file descriptor) [pid 328] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 327] <... futex resumed>) = 0 [pid 327] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 327] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 328] <... futex resumed>) = 1 [pid 328] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 328] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 327] <... futex resumed>) = 0 [pid 327] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 327] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 328] <... futex resumed>) = 1 [pid 328] ioctl(3, SIOCGIFINDEX, {ifr_name="veth0_vlan"}) = -1 ENODEV (No such device) [pid 328] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 327] <... futex resumed>) = 0 [pid 327] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 327] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 328] <... futex resumed>) = 1 [pid 328] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 4 [pid 328] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 327] <... futex resumed>) = 0 [pid 327] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 327] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 328] <... futex resumed>) = 1 [pid 328] ioctl(4, SIOCGIFINDEX, {ifr_name="vlan0"}) = -1 ENODEV (No such device) [pid 328] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 327] <... futex resumed>) = 0 [pid 327] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000 [pid 328] <... futex resumed>) = 1 [pid 327] <... futex resumed>) = 0 [pid 328] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWCGROUP|CLONE_NEWPID|CLONE_NEWNET [pid 327] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 328] <... unshare resumed>) = 0 [pid 328] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 327] <... futex resumed>) = 0 [pid 327] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 327] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 328] <... futex resumed>) = 1 [pid 328] gettid() = 7 [pid 328] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 327] <... futex resumed>) = 0 [pid 327] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 327] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 328] <... futex resumed>) = 1 [pid 328] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x07\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 40 [pid 328] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 327] <... futex resumed>) = 0 [pid 327] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 327] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 328] <... futex resumed>) = 1 [pid 328] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x07\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 40 [pid 328] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 327] <... futex resumed>) = 0 [pid 327] close(3) = 0 [pid 327] close(4) = 0 [pid 327] close(5) = -1 EBADF (Bad file descriptor) [pid 327] close(6) = -1 EBADF (Bad file descriptor) [pid 327] close(7) = -1 EBADF (Bad file descriptor) [pid 327] close(8) = -1 EBADF (Bad file descriptor) [pid 327] close(9) = -1 EBADF (Bad file descriptor) [pid 327] close(10) = -1 EBADF (Bad file descriptor) [pid 327] close(11) = -1 EBADF (Bad file descriptor) [pid 327] close(12) = -1 EBADF (Bad file descriptor) [pid 327] close(13) = -1 EBADF (Bad file descriptor) [pid 327] close(14) = -1 EBADF (Bad file descriptor) [pid 327] close(15) = -1 EBADF (Bad file descriptor) [pid 327] close(16) = -1 EBADF (Bad file descriptor) [pid 327] close(17) = -1 EBADF (Bad file descriptor) [pid 327] close(18) = -1 EBADF (Bad file descriptor) [pid 327] close(19) = -1 EBADF (Bad file descriptor) [pid 327] close(20) = -1 EBADF (Bad file descriptor) [pid 327] close(21) = -1 EBADF (Bad file descriptor) [pid 327] close(22) = -1 EBADF (Bad file descriptor) [pid 327] close(23) = -1 EBADF (Bad file descriptor) [pid 327] close(24) = -1 EBADF (Bad file descriptor) [pid 327] close(25) = -1 EBADF (Bad file descriptor) [pid 327] close(26) = -1 EBADF (Bad file descriptor) [pid 327] close(27) = -1 EBADF (Bad file descriptor) [pid 327] close(28) = -1 EBADF (Bad file descriptor) [pid 327] close(29) = -1 EBADF (Bad file descriptor) [pid 327] exit_group(0) = ? [pid 328] <... futex resumed>) = ? [pid 328] +++ exited with 0 +++ [pid 327] +++ exited with 0 +++ [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6, si_uid=0, si_status=0, si_utime=4, si_stime=10} --- [pid 310] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 310] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 310] ioctl(3, LOOP_CLR_FD) = 0 [pid 310] close(3) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555585fe7690) = 8 ./strace-static-x86_64: Process 329 attached [pid 329] set_robust_list(0x555585fe76a0, 24) = 0 [pid 329] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 329] setpgid(0, 0) = 0 [pid 329] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 329] write(3, "1000", 4) = 4 [pid 329] close(3) = 0 [pid 329] write(1, "executing program\n", 18executing program ) = 18 [pid 329] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 329] rt_sigaction(SIGRT_1, {sa_handler=0x7f7e761dd510, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7e761cebc0}, NULL, 8) = 0 [pid 329] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 329] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7e7614e000 [pid 329] mprotect(0x7f7e7614f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 329] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 329] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7e7616e990, parent_tid=0x7f7e7616e990, exit_signal=0, stack=0x7f7e7614e000, stack_size=0x20300, tls=0x7f7e7616e6c0} => {parent_tid=[9]}, 88) = 9 [pid 329] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 329] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 329] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 330 attached [pid 330] set_robust_list(0x7f7e7616e9a0, 24) = 0 [pid 330] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 330] memfd_create("syzkaller", 0) = 3 [pid 330] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7e6dd4e000 [pid 330] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119) = 20699119 [pid 330] munmap(0x7f7e6dd4e000, 138412032) = 0 [pid 330] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 330] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 330] ioctl(4, LOOP_CLR_FD) = 0 [pid 330] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 330] close(4) = 0 [pid 330] close(3) = 0 [pid 330] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 329] <... futex resumed>) = 0 [pid 329] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 329] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 330] <... futex resumed>) = 1 [pid 330] bind(-1, NULL, 0) = -1 EBADF (Bad file descriptor) [pid 330] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 329] <... futex resumed>) = 0 [pid 329] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 329] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 330] <... futex resumed>) = 1 [pid 330] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 330] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 329] <... futex resumed>) = 0 [pid 329] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 329] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 330] <... futex resumed>) = 1 [pid 330] ioctl(3, SIOCGIFINDEX, {ifr_name="veth0_vlan"}) = -1 ENODEV (No such device) [pid 330] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 329] <... futex resumed>) = 0 [pid 329] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 329] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 330] <... futex resumed>) = 1 [pid 330] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 4 [pid 330] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 329] <... futex resumed>) = 0 [pid 329] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 329] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 330] <... futex resumed>) = 1 [pid 330] ioctl(4, SIOCGIFINDEX, {ifr_name="vlan0"}) = -1 ENODEV (No such device) [pid 330] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 329] <... futex resumed>) = 0 [pid 329] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 329] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 330] <... futex resumed>) = 1 [pid 330] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWCGROUP|CLONE_NEWPID|CLONE_NEWNET) = 0 [pid 330] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 329] <... futex resumed>) = 0 [pid 329] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 329] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 330] <... futex resumed>) = 1 [pid 330] gettid() = 9 [pid 330] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 329] <... futex resumed>) = 0 [pid 329] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 329] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 330] <... futex resumed>) = 1 [pid 330] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x09\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 40 [pid 330] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 329] <... futex resumed>) = 0 [pid 329] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 329] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 330] <... futex resumed>) = 1 [pid 330] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x09\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 40 [pid 330] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 329] <... futex resumed>) = 0 [pid 329] close(3) = 0 [pid 329] close(4) = 0 [pid 329] close(5) = -1 EBADF (Bad file descriptor) [pid 329] close(6) = -1 EBADF (Bad file descriptor) [pid 329] close(7) = -1 EBADF (Bad file descriptor) [pid 329] close(8) = -1 EBADF (Bad file descriptor) [pid 329] close(9) = -1 EBADF (Bad file descriptor) [pid 329] close(10) = -1 EBADF (Bad file descriptor) [pid 329] close(11) = -1 EBADF (Bad file descriptor) [pid 329] close(12) = -1 EBADF (Bad file descriptor) [pid 329] close(13) = -1 EBADF (Bad file descriptor) [pid 329] close(14) = -1 EBADF (Bad file descriptor) [pid 329] close(15) = -1 EBADF (Bad file descriptor) [pid 329] close(16) = -1 EBADF (Bad file descriptor) [pid 329] close(17) = -1 EBADF (Bad file descriptor) [pid 329] close(18) = -1 EBADF (Bad file descriptor) [pid 329] close(19) = -1 EBADF (Bad file descriptor) [pid 329] close(20) = -1 EBADF (Bad file descriptor) [pid 329] close(21) = -1 EBADF (Bad file descriptor) [pid 329] close(22) = -1 EBADF (Bad file descriptor) [pid 329] close(23) = -1 EBADF (Bad file descriptor) [pid 329] close(24) = -1 EBADF (Bad file descriptor) [pid 329] close(25) = -1 EBADF (Bad file descriptor) [pid 329] close(26) = -1 EBADF (Bad file descriptor) [pid 329] close(27) = -1 EBADF (Bad file descriptor) [pid 329] close(28) = -1 EBADF (Bad file descriptor) [pid 329] close(29) = -1 EBADF (Bad file descriptor) [pid 329] exit_group(0) = ? [pid 330] <... futex resumed>) = ? [pid 330] +++ exited with 0 +++ [pid 329] +++ exited with 0 +++ [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8, si_uid=0, si_status=0, si_utime=2, si_stime=12} --- [ 45.654438][ T49] ================================================================== [ 45.663001][ T49] BUG: KASAN: use-after-free in vlan_dev_get_iflink+0x70/0x80 [ 45.670507][ T49] Read of size 4 at addr ffff88810d5d2100 by task kworker/u4:2/49 [ 45.678418][ T49] [ 45.680879][ T49] CPU: 1 PID: 49 Comm: kworker/u4:2 Not tainted 5.10.236-syzkaller #0 [ 45.690186][ T49] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 45.700346][ T49] Workqueue: netns cleanup_net [ 45.704940][ T49] Call Trace: [ 45.708492][ T49] dump_stack_lvl+0x1e2/0x24b [ 45.713000][ T49] ? bfq_pos_tree_add_move+0x43b/0x43b [ 45.718296][ T49] ? panic+0x812/0x812 [ 45.722207][ T49] print_address_description+0x81/0x3b0 [ 45.727691][ T49] kasan_report+0x179/0x1c0 [ 45.732017][ T49] ? vlan_dev_get_iflink+0x70/0x80 [ 45.736963][ T49] ? vlan_dev_get_iflink+0x70/0x80 [ 45.741923][ T49] __asan_report_load4_noabort+0x14/0x20 [ 45.747377][ T49] vlan_dev_get_iflink+0x70/0x80 [pid 310] restart_syscall(<... resuming interrupted clone ...>executing program ) = 0 [pid 310] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 310] ioctl(3, LOOP_CLR_FD) = 0 [pid 310] close(3) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555585fe7690) = 10 ./strace-static-x86_64: Process 331 attached [pid 331] set_robust_list(0x555585fe76a0, 24) = 0 [pid 331] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 331] setpgid(0, 0) = 0 [pid 331] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 331] write(3, "1000", 4) = 4 [pid 331] close(3) = 0 [pid 331] write(1, "executing program\n", 18) = 18 [pid 331] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 331] rt_sigaction(SIGRT_1, {sa_handler=0x7f7e761dd510, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7e761cebc0}, NULL, 8) = 0 [pid 331] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 331] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7e7614e000 [pid 331] mprotect(0x7f7e7614f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 331] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 331] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7e7616e990, parent_tid=0x7f7e7616e990, exit_signal=0, stack=0x7f7e7614e000, stack_size=0x20300, tls=0x7f7e7616e6c0} => {parent_tid=[11]}, 88) = 11 [pid 331] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 331] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 331] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 332 attached [pid 332] set_robust_list(0x7f7e7616e9a0, 24) = 0 [pid 332] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 332] memfd_create("syzkaller", 0) = 3 [pid 332] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7e6dd4e000 [ 45.753307][ T49] ? vlan_dev_fix_features+0x180/0x180 [ 45.758706][ T49] dev_get_iflink+0x6f/0xc0 [ 45.763041][ T49] rfc2863_policy+0x127/0x2b0 [ 45.767548][ T49] ? linkwatch_forget_dev+0x161/0x180 [ 45.773011][ T49] linkwatch_do_dev+0x3c/0x140 [ 45.777621][ T49] linkwatch_forget_dev+0x170/0x180 [ 45.782839][ T49] netdev_run_todo+0x2ee/0xdc0 [ 45.787664][ T49] ? netdev_refcnt_read+0x1e0/0x1e0 [ 45.792687][ T49] ? unregister_netdevice_queue+0x258/0x350 [ 45.798420][ T49] ? list_netdevice+0x4c0/0x4c0 [ 45.803114][ T49] ? unregister_vlan_dev+0x26d/0x350 [ 45.808302][ T49] rtnl_unlock+0xe/0x10 [ 45.812299][ T49] default_device_exit_batch+0x38f/0x3f0 [ 45.817763][ T49] ? default_device_exit+0x390/0x390 [ 45.822978][ T49] ? wait_woken+0x250/0x250 [ 45.827306][ T49] ? rtnl_unlock+0xe/0x10 [ 45.831475][ T49] ? cfg802154_pernet_exit+0xc7/0xe0 [ 45.836590][ T49] ? default_device_exit+0x390/0x390 [ 45.841721][ T49] cleanup_net+0x6e9/0xcb0 [ 45.845963][ T49] ? __switch_to_asm+0x34/0x60 [ 45.850573][ T49] ? ops_init+0x4a0/0x4a0 [pid 332] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119) = 20699119 [pid 332] munmap(0x7f7e6dd4e000, 138412032) = 0 [pid 332] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 332] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 332] ioctl(4, LOOP_CLR_FD) = 0 [pid 332] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 332] close(4) = 0 [ 45.854740][ T49] ? read_word_at_a_time+0x12/0x20 [ 45.859694][ T49] ? strscpy+0x9c/0x260 [ 45.863674][ T49] process_one_work+0x6dc/0xbd0 [ 45.868379][ T49] worker_thread+0xaea/0x1510 [ 45.872880][ T49] ? _raw_spin_lock+0x1b0/0x1b0 [ 45.877568][ T49] kthread+0x34b/0x3d0 [ 45.881465][ T49] ? worker_clr_flags+0x180/0x180 [ 45.886333][ T49] ? kthread_blkcg+0xd0/0xd0 [ 45.890751][ T49] ret_from_fork+0x1f/0x30 [ 45.895005][ T49] [ 45.897163][ T49] Allocated by task 310: [pid 332] close(3) = 0 [pid 332] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 331] <... futex resumed>) = 0 [pid 331] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 331] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 332] <... futex resumed>) = 1 [pid 332] bind(-1, NULL, 0) = -1 EBADF (Bad file descriptor) [pid 332] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 331] <... futex resumed>) = 0 [pid 331] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 331] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 332] <... futex resumed>) = 1 [ 45.901284][ T49] ____kasan_kmalloc+0xdb/0x110 [ 45.906021][ T49] __kasan_kmalloc+0x9/0x10 [ 45.910361][ T49] __kmalloc+0x1aa/0x330 [ 45.914440][ T49] kvmalloc_node+0x82/0x130 [ 45.918965][ T49] alloc_netdev_mqs+0x8e/0xcd0 [ 45.923802][ T49] rtnl_create_link+0x240/0x950 [ 45.928421][ T49] rtnl_newlink+0x1399/0x2000 [ 45.932941][ T49] rtnetlink_rcv_msg+0x955/0xc50 [ 45.937804][ T49] netlink_rcv_skb+0x1cf/0x410 [ 45.942418][ T49] rtnetlink_rcv+0x1c/0x20 [ 45.946937][ T49] netlink_unicast+0x8df/0xac0 [ 45.951519][ T49] netlink_sendmsg+0xa46/0xd00 [ 45.956113][ T49] __sys_sendto+0x545/0x700 [ 45.960451][ T49] __x64_sys_sendto+0xe5/0x100 [ 45.965058][ T49] do_syscall_64+0x31/0x40 [ 45.969321][ T49] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 45.975025][ T49] [ 45.977196][ T49] Freed by task 49: [ 45.980869][ T49] kasan_set_track+0x4b/0x70 [ 45.985294][ T49] kasan_set_free_info+0x23/0x40 [ 45.990044][ T49] ____kasan_slab_free+0x121/0x160 [ 45.995002][ T49] __kasan_slab_free+0x11/0x20 [ 45.999605][ T49] slab_free_freelist_hook+0xc0/0x190 [ 46.004840][ T49] kfree+0xc3/0x270 [ 46.008462][ T49] kvfree+0x35/0x40 [ 46.012098][ T49] netdev_freemem+0x3f/0x60 [ 46.016431][ T49] netdev_release+0x7f/0xb0 [ 46.021304][ T49] device_release+0x95/0x1c0 [ 46.025849][ T49] kobject_put+0x178/0x260 [ 46.030202][ T49] netdev_run_todo+0xc26/0xdc0 [ 46.035101][ T49] rtnl_unlock+0xe/0x10 [ 46.039753][ T49] default_device_exit_batch+0x38f/0x3f0 [ 46.045425][ T49] cleanup_net+0x6e9/0xcb0 [ 46.050213][ T49] process_one_work+0x6dc/0xbd0 [ 46.056020][ T49] worker_thread+0xaea/0x1510 [ 46.060999][ T49] kthread+0x34b/0x3d0 [ 46.065492][ T49] ret_from_fork+0x1f/0x30 [ 46.069968][ T49] [ 46.072271][ T49] The buggy address belongs to the object at ffff88810d5d2000 [ 46.072271][ T49] which belongs to the cache kmalloc-4k of size 4096 [ 46.086516][ T49] The buggy address is located 256 bytes inside of [ 46.086516][ T49] 4096-byte region [ffff88810d5d2000, ffff88810d5d3000) [ 46.100208][ T49] The buggy address belongs to the page: [ 46.105959][ T49] page:ffffea0004357400 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10d5d0 [ 46.116006][ T49] head:ffffea0004357400 order:3 compound_mapcount:0 compound_pincount:0 [ 46.124181][ T49] flags: 0x4000000000010200(slab|head) [ 46.129579][ T49] raw: 4000000000010200 dead000000000100 dead000000000122 ffff888100042c00 [ 46.137982][ T49] raw: 0000000000000000 0000000000040004 00000001ffffffff 0000000000000000 [ 46.146390][ T49] page dumped because: kasan: bad access detected [ 46.152646][ T49] page_owner tracks the page as allocated [ 46.158475][ T49] page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd2a20(GFP_ATOMIC|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 310, ts 44089336188, free_ts 44060723542 [ 46.177406][ T49] prep_new_page+0x166/0x180 [ 46.181841][ T49] get_page_from_freelist+0x2d8c/0x2f30 [ 46.187245][ T49] __alloc_pages_nodemask+0x435/0xaf0 [ 46.192449][ T49] new_slab+0x80/0x400 [ 46.196344][ T49] ___slab_alloc+0x302/0x4b0 [ 46.200929][ T49] __slab_alloc+0x63/0xa0 [ 46.205266][ T49] __kmalloc_track_caller+0x1f8/0x320 [ 46.210474][ T49] __alloc_skb+0xbc/0x510 [ 46.214624][ T49] rtmsg_ifinfo_build_skb+0x7f/0x180 [ 46.219773][ T49] rtmsg_ifinfo+0x78/0x120 [ 46.224087][ T49] __dev_notify_flags+0xdd/0x610 [ 46.228861][ T49] rtnl_newlink+0x18fd/0x2000 [ 46.233390][ T49] rtnetlink_rcv_msg+0x955/0xc50 [ 46.238259][ T49] netlink_rcv_skb+0x1cf/0x410 [ 46.242965][ T49] rtnetlink_rcv+0x1c/0x20 [ 46.247220][ T49] netlink_unicast+0x8df/0xac0 [ 46.251888][ T49] page last free stack trace: [ 46.256501][ T49] __free_pages_ok+0x82c/0x850 [ 46.261121][ T49] free_the_page+0x76/0x370 [ 46.265539][ T49] __free_pages+0x67/0xc0 [ 46.269701][ T49] __free_slab+0xcf/0x190 [ 46.273882][ T49] unfreeze_partials+0x15e/0x190 [ 46.278632][ T49] put_cpu_partial+0xbf/0x180 [ 46.283145][ T49] __slab_free+0x2c8/0x3a0 [ 46.287399][ T49] ___cache_free+0x111/0x130 [ 46.291828][ T49] qlink_free+0x50/0x90 [ 46.295918][ T49] qlist_free_all+0x47/0xb0 [ 46.300243][ T49] kasan_quarantine_reduce+0x15a/0x170 [ 46.305556][ T49] __kasan_slab_alloc+0x2f/0xe0 [ 46.310238][ T49] slab_post_alloc_hook+0x61/0x2f0 [ 46.315176][ T49] kmem_cache_alloc+0x168/0x2e0 [ 46.320024][ T49] __alloc_skb+0x80/0x510 [ 46.324181][ T49] sk_stream_alloc_skb+0x1f8/0xae0 [ 46.329118][ T49] [ 46.331327][ T49] Memory state around the buggy address: [ 46.336761][ T49] ffff88810d5d2000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 46.344658][ T49] ffff88810d5d2080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [pid 332] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 332] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 331] <... futex resumed>) = 0 [pid 331] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 331] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 332] <... futex resumed>) = 1 [pid 332] ioctl(3, SIOCGIFINDEX, {ifr_name="veth0_vlan"}) = -1 ENODEV (No such device) [pid 332] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 331] <... futex resumed>) = 0 [pid 331] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 331] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 332] <... futex resumed>) = 1 [pid 332] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 4 [pid 332] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 331] <... futex resumed>) = 0 [pid 331] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 331] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 332] <... futex resumed>) = 1 [pid 332] ioctl(4, SIOCGIFINDEX, {ifr_name="vlan0"}) = -1 ENODEV (No such device) [pid 332] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 331] <... futex resumed>) = 0 [pid 331] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 331] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 332] <... futex resumed>) = 1 [pid 332] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWCGROUP|CLONE_NEWPID|CLONE_NEWNET) = 0 [pid 332] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 331] <... futex resumed>) = 0 [pid 331] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 331] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 332] <... futex resumed>) = 1 [pid 332] gettid() = 11 [pid 332] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 331] <... futex resumed>) = 0 [pid 331] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 331] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 332] <... futex resumed>) = 1 [pid 332] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x0b\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 40 [pid 332] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 331] <... futex resumed>) = 0 [pid 331] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 331] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 332] <... futex resumed>) = 1 [pid 332] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x0b\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 40 [pid 332] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 331] <... futex resumed>) = 0 [pid 331] close(3) = 0 [pid 331] close(4) = 0 [pid 331] close(5) = -1 EBADF (Bad file descriptor) [pid 331] close(6) = -1 EBADF (Bad file descriptor) [pid 331] close(7) = -1 EBADF (Bad file descriptor) [pid 331] close(8) = -1 EBADF (Bad file descriptor) [pid 331] close(9) = -1 EBADF (Bad file descriptor) [pid 331] close(10) = -1 EBADF (Bad file descriptor) [pid 331] close(11) = -1 EBADF (Bad file descriptor) [pid 331] close(12) = -1 EBADF (Bad file descriptor) [pid 331] close(13) = -1 EBADF (Bad file descriptor) [pid 331] close(14) = -1 EBADF (Bad file descriptor) [pid 331] close(15) = -1 EBADF (Bad file descriptor) [pid 331] close(16) = -1 EBADF (Bad file descriptor) [pid 331] close(17) = -1 EBADF (Bad file descriptor) [pid 331] close(18) = -1 EBADF (Bad file descriptor) [pid 331] close(19) = -1 EBADF (Bad file descriptor) [pid 331] close(20) = -1 EBADF (Bad file descriptor) [pid 331] close(21) = -1 EBADF (Bad file descriptor) [pid 331] close(22) = -1 EBADF (Bad file descriptor) [pid 331] close(23) = -1 EBADF (Bad file descriptor) [pid 331] close(24) = -1 EBADF (Bad file descriptor) [pid 331] close(25) = -1 EBADF (Bad file descriptor) [pid 331] close(26) = -1 EBADF (Bad file descriptor) [pid 331] close(27) = -1 EBADF (Bad file descriptor) [pid 331] close(28) = -1 EBADF (Bad file descriptor) [pid 331] close(29) = -1 EBADF (Bad file descriptor) [pid 331] exit_group(0) = ? [pid 332] <... futex resumed>) = ? [pid 332] +++ exited with 0 +++ [pid 331] +++ exited with 0 +++ [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10, si_uid=0, si_status=0, si_utime=10, si_stime=19} --- executing program executing program [pid 310] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 310] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 310] ioctl(3, LOOP_CLR_FD) = 0 [pid 310] close(3) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555585fe7690) = 12 ./strace-static-x86_64: Process 334 attached [pid 334] set_robust_list(0x555585fe76a0, 24) = 0 [pid 334] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 334] setpgid(0, 0) = 0 [pid 334] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 334] write(3, "1000", 4) = 4 [pid 334] close(3) = 0 [pid 334] write(1, "executing program\n", 18) = 18 [pid 334] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 334] rt_sigaction(SIGRT_1, {sa_handler=0x7f7e761dd510, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7e761cebc0}, NULL, 8) = 0 [pid 334] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 334] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7e7614e000 [pid 334] mprotect(0x7f7e7614f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 334] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 334] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7e7616e990, parent_tid=0x7f7e7616e990, exit_signal=0, stack=0x7f7e7614e000, stack_size=0x20300, tls=0x7f7e7616e6c0} => {parent_tid=[13]}, 88) = 13 [pid 334] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 334] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 334] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 335 attached [pid 335] set_robust_list(0x7f7e7616e9a0, 24) = 0 [pid 335] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 335] memfd_create("syzkaller", 0) = 3 [pid 335] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7e6dd4e000 [pid 335] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119) = 20699119 [pid 335] munmap(0x7f7e6dd4e000, 138412032) = 0 [pid 335] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 335] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 335] ioctl(4, LOOP_CLR_FD) = 0 [pid 335] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 335] close(4) = 0 [pid 335] close(3) = 0 [pid 335] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 334] <... futex resumed>) = 0 [pid 334] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 334] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 335] <... futex resumed>) = 1 [pid 335] bind(-1, NULL, 0) = -1 EBADF (Bad file descriptor) [pid 335] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 334] <... futex resumed>) = 0 [pid 334] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 334] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 335] <... futex resumed>) = 1 [pid 335] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 335] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 334] <... futex resumed>) = 0 [pid 334] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 334] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 335] <... futex resumed>) = 1 [pid 335] ioctl(3, SIOCGIFINDEX, {ifr_name="veth0_vlan"}) = -1 ENODEV (No such device) [pid 335] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 334] <... futex resumed>) = 0 [pid 334] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 334] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 335] <... futex resumed>) = 1 [pid 335] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 4 [pid 335] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 334] <... futex resumed>) = 0 [pid 334] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 334] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 335] <... futex resumed>) = 1 [pid 335] ioctl(4, SIOCGIFINDEX, {ifr_name="vlan0"}) = -1 ENODEV (No such device) [pid 335] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 334] <... futex resumed>) = 0 [pid 334] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 334] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 335] <... futex resumed>) = 1 [pid 335] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWCGROUP|CLONE_NEWPID|CLONE_NEWNET) = 0 [pid 335] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 334] <... futex resumed>) = 0 [pid 334] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 334] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 335] <... futex resumed>) = 1 [pid 335] gettid() = 13 [pid 335] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 334] <... futex resumed>) = 0 [pid 334] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 334] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 335] <... futex resumed>) = 1 [pid 335] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x0d\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 40 [pid 335] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 334] <... futex resumed>) = 0 [pid 334] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 334] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 335] <... futex resumed>) = 1 [pid 335] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x0d\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 40 [pid 335] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 334] <... futex resumed>) = 0 [pid 334] close(3) = 0 [pid 334] close(4) = 0 [pid 334] close(5) = -1 EBADF (Bad file descriptor) [pid 334] close(6) = -1 EBADF (Bad file descriptor) [pid 334] close(7) = -1 EBADF (Bad file descriptor) [pid 334] close(8) = -1 EBADF (Bad file descriptor) [pid 334] close(9) = -1 EBADF (Bad file descriptor) [pid 334] close(10) = -1 EBADF (Bad file descriptor) [pid 334] close(11) = -1 EBADF (Bad file descriptor) [pid 334] close(12) = -1 EBADF (Bad file descriptor) [pid 334] close(13) = -1 EBADF (Bad file descriptor) [pid 334] close(14) = -1 EBADF (Bad file descriptor) [pid 334] close(15) = -1 EBADF (Bad file descriptor) [pid 334] close(16) = -1 EBADF (Bad file descriptor) [pid 334] close(17) = -1 EBADF (Bad file descriptor) [pid 334] close(18) = -1 EBADF (Bad file descriptor) [pid 334] close(19) = -1 EBADF (Bad file descriptor) [pid 334] close(20) = -1 EBADF (Bad file descriptor) [pid 334] close(21) = -1 EBADF (Bad file descriptor) [pid 334] close(22) = -1 EBADF (Bad file descriptor) [pid 334] close(23) = -1 EBADF (Bad file descriptor) [pid 334] close(24) = -1 EBADF (Bad file descriptor) [pid 334] close(25) = -1 EBADF (Bad file descriptor) [pid 334] close(26) = -1 EBADF (Bad file descriptor) [pid 334] close(27) = -1 EBADF (Bad file descriptor) [pid 334] close(28) = -1 EBADF (Bad file descriptor) [pid 334] close(29) = -1 EBADF (Bad file descriptor) [pid 334] exit_group(0) = ? [pid 335] <... futex resumed>) = ? [pid 335] +++ exited with 0 +++ [pid 334] +++ exited with 0 +++ [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12, si_uid=0, si_status=0, si_utime=10, si_stime=17} --- [pid 310] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 310] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 310] ioctl(3, LOOP_CLR_FD) = 0 [pid 310] close(3) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555585fe7690) = 14 ./strace-static-x86_64: Process 337 attached [pid 337] set_robust_list(0x555585fe76a0, 24) = 0 [pid 337] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 337] setpgid(0, 0) = 0 [pid 337] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 337] write(3, "1000", 4) = 4 [pid 337] close(3) = 0 [pid 337] write(1, "executing program\n", 18) = 18 [pid 337] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 337] rt_sigaction(SIGRT_1, {sa_handler=0x7f7e761dd510, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7e761cebc0}, NULL, 8) = 0 [pid 337] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 337] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7e7614e000 [pid 337] mprotect(0x7f7e7614f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 337] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 337] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7e7616e990, parent_tid=0x7f7e7616e990, exit_signal=0, stack=0x7f7e7614e000, stack_size=0x20300, tls=0x7f7e7616e6c0} => {parent_tid=[15]}, 88) = 15 [pid 337] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 337] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 337] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 338 attached [pid 338] set_robust_list(0x7f7e7616e9a0, 24) = 0 [pid 338] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 338] memfd_create("syzkaller", 0) = 3 [pid 338] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7e6dd4e000 [ 46.352725][ T49] >ffff88810d5d2100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 46.360621][ T49] ^ [ 46.364526][ T49] ffff88810d5d2180: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 46.372428][ T49] ffff88810d5d2200: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 46.380316][ T49] ================================================================== [ 46.388315][ T49] Disabling lock debugging due to kernel taint [pid 338] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119) = 20699119 [pid 338] munmap(0x7f7e6dd4e000, 138412032) = 0 [pid 338] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 338] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 338] ioctl(4, LOOP_CLR_FD) = 0 [pid 338] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 338] close(4) = 0 [pid 338] close(3) = 0 [pid 338] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 338] futex(0x7f7e76242728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 337] <... futex resumed>) = 0 [pid 337] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 337] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 338] <... futex resumed>) = 0 [pid 338] bind(-1, NULL, 0) = -1 EBADF (Bad file descriptor) [pid 338] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 337] <... futex resumed>) = 0 [pid 337] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 337] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 338] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 338] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 337] <... futex resumed>) = 0 [pid 338] ioctl(3, SIOCGIFINDEX, {ifr_name="veth0_vlan" [pid 337] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000 [pid 338] <... ioctl resumed>}) = -1 ENODEV (No such device) [pid 337] <... futex resumed>) = 0 [pid 338] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 337] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 338] <... futex resumed>) = 0 [pid 338] futex(0x7f7e76242728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 337] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 337] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 337] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 338] <... futex resumed>) = 0 [pid 338] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 4 [pid 338] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 337] <... futex resumed>) = 0 [pid 337] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 337] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 338] <... futex resumed>) = 1 [pid 338] ioctl(4, SIOCGIFINDEX, {ifr_name="vlan0"}) = -1 ENODEV (No such device) [pid 338] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 337] <... futex resumed>) = 0 [pid 337] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 337] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 338] <... futex resumed>) = 1 [pid 338] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWCGROUP|CLONE_NEWPID|CLONE_NEWNET) = 0 [pid 338] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 337] <... futex resumed>) = 0 [pid 338] gettid( [pid 337] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000 [pid 338] <... gettid resumed>) = 15 [pid 337] <... futex resumed>) = 0 [pid 338] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 337] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 338] <... futex resumed>) = 0 [pid 337] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 338] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x0f\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 337] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 337] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 338] <... sendmsg resumed>) = 40 [pid 338] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 337] <... futex resumed>) = 0 [pid 338] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x0f\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 337] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 337] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 338] <... sendmsg resumed>) = 40 [pid 338] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 337] <... futex resumed>) = 0 [pid 338] futex(0x7f7e76242728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 337] close(3) = 0 [pid 337] close(4) = 0 [pid 337] close(5) = -1 EBADF (Bad file descriptor) [pid 337] close(6) = -1 EBADF (Bad file descriptor) [pid 337] close(7) = -1 EBADF (Bad file descriptor) [pid 337] close(8) = -1 EBADF (Bad file descriptor) [pid 337] close(9) = -1 EBADF (Bad file descriptor) [pid 337] close(10) = -1 EBADF (Bad file descriptor) [pid 337] close(11) = -1 EBADF (Bad file descriptor) [pid 337] close(12) = -1 EBADF (Bad file descriptor) [pid 337] close(13) = -1 EBADF (Bad file descriptor) [pid 337] close(14) = -1 EBADF (Bad file descriptor) [pid 337] close(15) = -1 EBADF (Bad file descriptor) [pid 337] close(16) = -1 EBADF (Bad file descriptor) [pid 337] close(17) = -1 EBADF (Bad file descriptor) [pid 337] close(18) = -1 EBADF (Bad file descriptor) [pid 337] close(19) = -1 EBADF (Bad file descriptor) [pid 337] close(20) = -1 EBADF (Bad file descriptor) [pid 337] close(21) = -1 EBADF (Bad file descriptor) [pid 337] close(22) = -1 EBADF (Bad file descriptor) [pid 337] close(23) = -1 EBADF (Bad file descriptor) [pid 337] close(24) = -1 EBADF (Bad file descriptor) [pid 337] close(25) = -1 EBADF (Bad file descriptor) [pid 337] close(26) = -1 EBADF (Bad file descriptor) [pid 337] close(27) = -1 EBADF (Bad file descriptor) [pid 337] close(28) = -1 EBADF (Bad file descriptor) [pid 337] close(29) = -1 EBADF (Bad file descriptor) [pid 337] exit_group(0) = ? [pid 338] <... futex resumed>) = ? [pid 338] +++ exited with 0 +++ [pid 337] +++ exited with 0 +++ [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14, si_uid=0, si_status=0, si_utime=5, si_stime=13} --- [pid 310] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 310] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 310] ioctl(3, LOOP_CLR_FD) = 0 [pid 310] close(3) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555585fe7690) = 16 ./strace-static-x86_64: Process 342 attached [pid 342] set_robust_list(0x555585fe76a0, 24) = 0 [pid 342] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 342] setpgid(0, 0) = 0 [pid 342] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 342] write(3, "1000", 4) = 4 [pid 342] close(3) = 0 [pid 342] write(1, "executing program\n", 18executing program ) = 18 [pid 342] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 342] rt_sigaction(SIGRT_1, {sa_handler=0x7f7e761dd510, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7e761cebc0}, NULL, 8) = 0 [pid 342] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 342] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7e7614e000 [pid 342] mprotect(0x7f7e7614f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 342] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 342] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7e7616e990, parent_tid=0x7f7e7616e990, exit_signal=0, stack=0x7f7e7614e000, stack_size=0x20300, tls=0x7f7e7616e6c0}./strace-static-x86_64: Process 343 attached [pid 343] set_robust_list(0x7f7e7616e9a0, 24) = 0 [pid 343] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 343] futex(0x7f7e76242728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 342] <... clone3 resumed> => {parent_tid=[17]}, 88) = 17 [pid 342] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 342] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 343] <... futex resumed>) = 0 [pid 343] memfd_create("syzkaller", 0) = 3 [pid 343] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7e6dd4e000 [pid 342] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 343] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119) = 20699119 [pid 343] munmap(0x7f7e6dd4e000, 138412032) = 0 [pid 343] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 343] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 343] ioctl(4, LOOP_CLR_FD) = 0 [pid 343] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 343] close(4) = 0 [pid 343] close(3) = 0 [pid 343] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 342] <... futex resumed>) = 0 [pid 342] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 342] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 343] bind(-1, NULL, 0) = -1 EBADF (Bad file descriptor) [pid 343] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 342] <... futex resumed>) = 0 [pid 342] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 342] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 343] <... futex resumed>) = 1 [pid 343] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 343] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 342] <... futex resumed>) = 0 [pid 342] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 342] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 343] <... futex resumed>) = 1 [pid 343] ioctl(3, SIOCGIFINDEX, {ifr_name="veth0_vlan"}) = -1 ENODEV (No such device) [pid 343] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 343] futex(0x7f7e76242728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 342] <... futex resumed>) = 0 [pid 342] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000 [pid 343] <... futex resumed>) = 0 [pid 342] <... futex resumed>) = 1 [pid 342] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 343] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 4 [pid 343] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 342] <... futex resumed>) = 0 [pid 342] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 342] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 343] <... futex resumed>) = 1 [pid 343] ioctl(4, SIOCGIFINDEX, {ifr_name="vlan0"}) = -1 ENODEV (No such device) [pid 343] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 342] <... futex resumed>) = 0 [pid 342] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 342] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 343] <... futex resumed>) = 1 [pid 343] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWCGROUP|CLONE_NEWPID|CLONE_NEWNET) = 0 [pid 343] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 342] <... futex resumed>) = 0 [pid 343] gettid( [pid 342] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000 [pid 343] <... gettid resumed>) = 17 [pid 342] <... futex resumed>) = 0 [pid 343] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 342] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 343] <... futex resumed>) = 0 [pid 342] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 343] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x11\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 342] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 342] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 343] <... sendmsg resumed>) = 40 [pid 343] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 342] <... futex resumed>) = 0 [pid 342] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000 [pid 343] <... futex resumed>) = 1 [pid 342] <... futex resumed>) = 0 [pid 343] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x11\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 342] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 343] <... sendmsg resumed>) = 40 [pid 343] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 343] futex(0x7f7e76242728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 342] <... futex resumed>) = 0 [pid 342] close(3) = 0 [pid 342] close(4) = 0 [pid 342] close(5) = -1 EBADF (Bad file descriptor) [pid 342] close(6) = -1 EBADF (Bad file descriptor) [pid 342] close(7) = -1 EBADF (Bad file descriptor) [pid 342] close(8) = -1 EBADF (Bad file descriptor) [pid 342] close(9) = -1 EBADF (Bad file descriptor) [pid 342] close(10) = -1 EBADF (Bad file descriptor) [pid 342] close(11) = -1 EBADF (Bad file descriptor) [pid 342] close(12) = -1 EBADF (Bad file descriptor) [pid 342] close(13) = -1 EBADF (Bad file descriptor) [pid 342] close(14) = -1 EBADF (Bad file descriptor) [pid 342] close(15) = -1 EBADF (Bad file descriptor) [pid 342] close(16) = -1 EBADF (Bad file descriptor) [pid 342] close(17) = -1 EBADF (Bad file descriptor) [pid 342] close(18) = -1 EBADF (Bad file descriptor) [pid 342] close(19) = -1 EBADF (Bad file descriptor) [pid 342] close(20) = -1 EBADF (Bad file descriptor) [pid 342] close(21) = -1 EBADF (Bad file descriptor) [pid 342] close(22) = -1 EBADF (Bad file descriptor) [pid 342] close(23) = -1 EBADF (Bad file descriptor) [pid 342] close(24) = -1 EBADF (Bad file descriptor) [pid 342] close(25) = -1 EBADF (Bad file descriptor) [pid 342] close(26) = -1 EBADF (Bad file descriptor) [pid 342] close(27) = -1 EBADF (Bad file descriptor) [pid 342] close(28) = -1 EBADF (Bad file descriptor) [pid 342] close(29) = -1 EBADF (Bad file descriptor) [pid 342] exit_group(0) = ? [pid 343] <... futex resumed>) = ? [pid 343] +++ exited with 0 +++ [pid 342] +++ exited with 0 +++ [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16, si_uid=0, si_status=0, si_utime=4, si_stime=11} --- [pid 310] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 310] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 310] ioctl(3, LOOP_CLR_FD) = 0 [pid 310] close(3) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555585fe7690) = 18 ./strace-static-x86_64: Process 344 attached [pid 344] set_robust_list(0x555585fe76a0, 24) = 0 [pid 344] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 344] setpgid(0, 0) = 0 [pid 344] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 344] write(3, "1000", 4) = 4 [pid 344] close(3) = 0 [pid 344] write(1, "executing program\n", 18executing program ) = 18 [pid 344] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 344] rt_sigaction(SIGRT_1, {sa_handler=0x7f7e761dd510, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7e761cebc0}, NULL, 8) = 0 [pid 344] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 344] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7e7614e000 [pid 344] mprotect(0x7f7e7614f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 344] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 344] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7e7616e990, parent_tid=0x7f7e7616e990, exit_signal=0, stack=0x7f7e7614e000, stack_size=0x20300, tls=0x7f7e7616e6c0}./strace-static-x86_64: Process 345 attached => {parent_tid=[19]}, 88) = 19 [pid 345] set_robust_list(0x7f7e7616e9a0, 24) = 0 [pid 345] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 345] futex(0x7f7e76242728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 344] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 344] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 345] <... futex resumed>) = 0 [pid 345] memfd_create("syzkaller", 0) = 3 [pid 345] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7e6dd4e000 [pid 344] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 345] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119) = 20699119 [pid 345] munmap(0x7f7e6dd4e000, 138412032) = 0 [pid 345] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 345] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 345] ioctl(4, LOOP_CLR_FD) = 0 [pid 345] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 345] close(4) = 0 [pid 345] close(3) = 0 [pid 345] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 344] <... futex resumed>) = 0 [pid 344] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 344] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 345] <... futex resumed>) = 1 [pid 345] bind(-1, NULL, 0) = -1 EBADF (Bad file descriptor) [pid 345] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 344] <... futex resumed>) = 0 [pid 344] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 344] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 345] <... futex resumed>) = 1 [pid 345] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 345] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 344] <... futex resumed>) = 0 [pid 344] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 344] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 345] <... futex resumed>) = 1 [pid 345] ioctl(3, SIOCGIFINDEX, {ifr_name="veth0_vlan"}) = -1 ENODEV (No such device) [pid 345] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 344] <... futex resumed>) = 0 [pid 344] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 344] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 345] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 4 [pid 345] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 344] <... futex resumed>) = 0 [pid 344] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 344] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 345] <... futex resumed>) = 1 [pid 345] ioctl(4, SIOCGIFINDEX, {ifr_name="vlan0"}) = -1 ENODEV (No such device) [pid 345] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 344] <... futex resumed>) = 0 [pid 344] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 344] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 345] <... futex resumed>) = 1 [pid 345] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWCGROUP|CLONE_NEWPID|CLONE_NEWNET) = 0 [pid 345] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 344] <... futex resumed>) = 0 [pid 344] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 344] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 345] <... futex resumed>) = 1 [pid 345] gettid() = 19 [pid 345] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 344] <... futex resumed>) = 0 [pid 344] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 344] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 345] <... futex resumed>) = 1 [pid 345] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x13\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 40 [pid 345] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 344] <... futex resumed>) = 0 [pid 344] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 344] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 345] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x13\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 40 [pid 345] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 344] <... futex resumed>) = 0 [pid 344] close(3) = 0 [pid 344] close(4) = 0 [pid 344] close(5) = -1 EBADF (Bad file descriptor) [pid 344] close(6) = -1 EBADF (Bad file descriptor) [pid 344] close(7) = -1 EBADF (Bad file descriptor) [pid 344] close(8) = -1 EBADF (Bad file descriptor) [pid 344] close(9) = -1 EBADF (Bad file descriptor) [pid 344] close(10) = -1 EBADF (Bad file descriptor) [pid 344] close(11) = -1 EBADF (Bad file descriptor) [pid 344] close(12) = -1 EBADF (Bad file descriptor) [pid 344] close(13) = -1 EBADF (Bad file descriptor) [pid 344] close(14) = -1 EBADF (Bad file descriptor) [pid 344] close(15) = -1 EBADF (Bad file descriptor) [pid 344] close(16) = -1 EBADF (Bad file descriptor) [pid 344] close(17) = -1 EBADF (Bad file descriptor) [pid 344] close(18) = -1 EBADF (Bad file descriptor) [pid 344] close(19) = -1 EBADF (Bad file descriptor) [pid 344] close(20) = -1 EBADF (Bad file descriptor) [pid 344] close(21) = -1 EBADF (Bad file descriptor) [pid 344] close(22) = -1 EBADF (Bad file descriptor) [pid 344] close(23) = -1 EBADF (Bad file descriptor) [pid 344] close(24) = -1 EBADF (Bad file descriptor) [pid 344] close(25) = -1 EBADF (Bad file descriptor) [pid 344] close(26) = -1 EBADF (Bad file descriptor) [pid 344] close(27) = -1 EBADF (Bad file descriptor) [pid 344] close(28) = -1 EBADF (Bad file descriptor) [pid 344] close(29) = -1 EBADF (Bad file descriptor) [pid 344] exit_group(0) = ? [pid 345] +++ exited with 0 +++ [pid 344] +++ exited with 0 +++ [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18, si_uid=0, si_status=0, si_utime=4, si_stime=9} --- [pid 310] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 310] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 310] ioctl(3, LOOP_CLR_FD) = 0 [pid 310] close(3executing program ) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555585fe7690) = 20 ./strace-static-x86_64: Process 346 attached [pid 346] set_robust_list(0x555585fe76a0, 24) = 0 [pid 346] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 346] setpgid(0, 0) = 0 [pid 346] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 346] write(3, "1000", 4) = 4 [pid 346] close(3) = 0 [pid 346] write(1, "executing program\n", 18) = 18 [pid 346] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 346] rt_sigaction(SIGRT_1, {sa_handler=0x7f7e761dd510, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7e761cebc0}, NULL, 8) = 0 [pid 346] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 346] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7e7614e000 [pid 346] mprotect(0x7f7e7614f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 346] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 346] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7e7616e990, parent_tid=0x7f7e7616e990, exit_signal=0, stack=0x7f7e7614e000, stack_size=0x20300, tls=0x7f7e7616e6c0} => {parent_tid=[21]}, 88) = 21 [pid 346] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 346] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 346] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 347 attached [pid 347] set_robust_list(0x7f7e7616e9a0, 24) = 0 [pid 347] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 347] memfd_create("syzkaller", 0) = 3 [pid 347] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7e6dd4e000 [pid 347] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119) = 20699119 [pid 347] munmap(0x7f7e6dd4e000, 138412032) = 0 [pid 347] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 347] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 347] ioctl(4, LOOP_CLR_FD) = 0 [pid 347] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 347] close(4) = 0 [pid 347] close(3) = 0 [pid 347] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 347] futex(0x7f7e76242728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 346] <... futex resumed>) = 0 [pid 346] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 346] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 347] <... futex resumed>) = 0 [pid 347] bind(-1, NULL, 0) = -1 EBADF (Bad file descriptor) [pid 347] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 346] <... futex resumed>) = 0 [pid 346] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 346] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 347] <... futex resumed>) = 1 [pid 347] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 347] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 346] <... futex resumed>) = 0 [pid 346] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 346] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 347] <... futex resumed>) = 1 [pid 347] ioctl(3, SIOCGIFINDEX, {ifr_name="veth0_vlan"}) = -1 ENODEV (No such device) [pid 347] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 346] <... futex resumed>) = 0 [pid 346] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 346] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 347] <... futex resumed>) = 1 [pid 347] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 4 [pid 347] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 346] <... futex resumed>) = 0 [pid 346] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 346] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 347] <... futex resumed>) = 1 [pid 347] ioctl(4, SIOCGIFINDEX, {ifr_name="vlan0"}) = -1 ENODEV (No such device) [pid 347] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 346] <... futex resumed>) = 0 [pid 346] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 346] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 347] <... futex resumed>) = 1 [pid 347] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWCGROUP|CLONE_NEWPID|CLONE_NEWNET) = 0 [pid 347] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 346] <... futex resumed>) = 0 [pid 346] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 346] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 347] <... futex resumed>) = 1 [pid 347] gettid() = 21 [pid 347] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 346] <... futex resumed>) = 0 [pid 346] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 346] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 347] <... futex resumed>) = 1 [pid 347] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x15\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 40 [pid 347] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 346] <... futex resumed>) = 0 [pid 346] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 346] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 347] <... futex resumed>) = 1 [pid 347] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x15\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 40 [pid 347] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 346] <... futex resumed>) = 0 [pid 346] close(3) = 0 [pid 346] close(4) = 0 [pid 346] close(5) = -1 EBADF (Bad file descriptor) [pid 346] close(6) = -1 EBADF (Bad file descriptor) [pid 346] close(7) = -1 EBADF (Bad file descriptor) [pid 346] close(8) = -1 EBADF (Bad file descriptor) [pid 346] close(9) = -1 EBADF (Bad file descriptor) [pid 346] close(10) = -1 EBADF (Bad file descriptor) [pid 346] close(11) = -1 EBADF (Bad file descriptor) [pid 346] close(12) = -1 EBADF (Bad file descriptor) [pid 346] close(13) = -1 EBADF (Bad file descriptor) [pid 346] close(14) = -1 EBADF (Bad file descriptor) [pid 346] close(15) = -1 EBADF (Bad file descriptor) [pid 346] close(16) = -1 EBADF (Bad file descriptor) [pid 346] close(17) = -1 EBADF (Bad file descriptor) [pid 346] close(18) = -1 EBADF (Bad file descriptor) [pid 346] close(19) = -1 EBADF (Bad file descriptor) [pid 346] close(20) = -1 EBADF (Bad file descriptor) [pid 346] close(21) = -1 EBADF (Bad file descriptor) [pid 346] close(22) = -1 EBADF (Bad file descriptor) [pid 346] close(23) = -1 EBADF (Bad file descriptor) [pid 346] close(24) = -1 EBADF (Bad file descriptor) [pid 346] close(25) = -1 EBADF (Bad file descriptor) [pid 346] close(26) = -1 EBADF (Bad file descriptor) [pid 346] close(27) = -1 EBADF (Bad file descriptor) [pid 346] close(28) = -1 EBADF (Bad file descriptor) [pid 346] close(29) = -1 EBADF (Bad file descriptor) [pid 346] exit_group(0) = ? [pid 347] <... futex resumed>) = ? [pid 347] +++ exited with 0 +++ [pid 346] +++ exited with 0 +++ [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20, si_uid=0, si_status=0, si_utime=4, si_stime=10} --- [pid 310] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 310] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 310] ioctl(3, LOOP_CLR_FD) = 0 [pid 310] close(3) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555585fe7690) = 22 ./strace-static-x86_64: Process 366 attached [pid 366] set_robust_list(0x555585fe76a0, 24) = 0 [pid 366] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 366] setpgid(0, 0) = 0 [pid 366] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 366] write(3, "1000", 4) = 4 [pid 366] close(3) = 0 [pid 366] write(1, "executing program\n", 18executing program ) = 18 [pid 366] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 366] rt_sigaction(SIGRT_1, {sa_handler=0x7f7e761dd510, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7e761cebc0}, NULL, 8) = 0 [pid 366] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 366] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7e7614e000 [pid 366] mprotect(0x7f7e7614f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 366] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 366] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7e7616e990, parent_tid=0x7f7e7616e990, exit_signal=0, stack=0x7f7e7614e000, stack_size=0x20300, tls=0x7f7e7616e6c0} => {parent_tid=[23]}, 88) = 23 [pid 366] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 366] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 366] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 367 attached [pid 367] set_robust_list(0x7f7e7616e9a0, 24) = 0 [pid 367] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 367] memfd_create("syzkaller", 0) = 3 [pid 367] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7e6dd4e000 [pid 367] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119) = 20699119 [pid 367] munmap(0x7f7e6dd4e000, 138412032) = 0 [pid 367] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 367] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 367] ioctl(4, LOOP_CLR_FD) = 0 [pid 367] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 367] close(4) = 0 [pid 367] close(3) = 0 [pid 367] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 366] <... futex resumed>) = 0 [pid 366] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 366] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 367] <... futex resumed>) = 1 [pid 367] bind(-1, NULL, 0) = -1 EBADF (Bad file descriptor) [pid 367] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 366] <... futex resumed>) = 0 [pid 366] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 366] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 367] <... futex resumed>) = 1 [pid 367] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 367] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 366] <... futex resumed>) = 0 [pid 366] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 366] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 367] <... futex resumed>) = 1 [pid 367] ioctl(3, SIOCGIFINDEX, {ifr_name="veth0_vlan"}) = -1 ENODEV (No such device) [pid 367] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 366] <... futex resumed>) = 0 [pid 366] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 366] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 367] <... futex resumed>) = 1 [pid 367] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 4 [pid 367] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 366] <... futex resumed>) = 0 [pid 366] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 366] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 367] <... futex resumed>) = 1 [pid 367] ioctl(4, SIOCGIFINDEX, {ifr_name="vlan0"}) = -1 ENODEV (No such device) [pid 367] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 366] <... futex resumed>) = 0 [pid 366] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 366] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 367] <... futex resumed>) = 1 [pid 367] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWCGROUP|CLONE_NEWPID|CLONE_NEWNET) = 0 [pid 367] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 366] <... futex resumed>) = 0 [pid 366] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 366] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 367] <... futex resumed>) = 1 [pid 367] gettid() = 23 [pid 367] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 366] <... futex resumed>) = 0 [pid 366] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 366] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 367] <... futex resumed>) = 1 [pid 367] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x17\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 40 [pid 367] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 366] <... futex resumed>) = 0 [pid 366] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 366] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 367] <... futex resumed>) = 1 [pid 367] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x17\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 40 [pid 367] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 366] <... futex resumed>) = 0 [pid 366] close(3) = 0 [pid 366] close(4) = 0 [pid 366] close(5) = -1 EBADF (Bad file descriptor) [pid 366] close(6) = -1 EBADF (Bad file descriptor) [pid 366] close(7) = -1 EBADF (Bad file descriptor) [pid 366] close(8) = -1 EBADF (Bad file descriptor) [pid 366] close(9) = -1 EBADF (Bad file descriptor) [pid 366] close(10) = -1 EBADF (Bad file descriptor) [pid 366] close(11) = -1 EBADF (Bad file descriptor) [pid 366] close(12) = -1 EBADF (Bad file descriptor) [pid 366] close(13) = -1 EBADF (Bad file descriptor) [pid 366] close(14) = -1 EBADF (Bad file descriptor) [pid 366] close(15) = -1 EBADF (Bad file descriptor) [pid 366] close(16) = -1 EBADF (Bad file descriptor) [pid 366] close(17) = -1 EBADF (Bad file descriptor) [pid 366] close(18) = -1 EBADF (Bad file descriptor) [pid 366] close(19) = -1 EBADF (Bad file descriptor) [pid 366] close(20) = -1 EBADF (Bad file descriptor) [pid 366] close(21) = -1 EBADF (Bad file descriptor) [pid 366] close(22) = -1 EBADF (Bad file descriptor) [pid 366] close(23) = -1 EBADF (Bad file descriptor) [pid 366] close(24) = -1 EBADF (Bad file descriptor) [pid 366] close(25) = -1 EBADF (Bad file descriptor) [pid 366] close(26) = -1 EBADF (Bad file descriptor) [pid 366] close(27) = -1 EBADF (Bad file descriptor) [pid 366] close(28) = -1 EBADF (Bad file descriptor) [pid 366] close(29) = -1 EBADF (Bad file descriptor) [pid 366] exit_group(0) = ? [pid 367] <... futex resumed>) = ? [pid 367] +++ exited with 0 +++ [pid 366] +++ exited with 0 +++ [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22, si_uid=0, si_status=0, si_utime=5, si_stime=9} --- [pid 310] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 310] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 310] ioctl(3, LOOP_CLR_FD) = 0 [pid 310] close(3) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555585fe7690) = 24 ./strace-static-x86_64: Process 369 attached [pid 369] set_robust_list(0x555585fe76a0, 24) = 0 [pid 369] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 369] setpgid(0, 0) = 0 [pid 369] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 369] write(3, "1000", 4) = 4 [pid 369] close(3) = 0 executing program [pid 369] write(1, "executing program\n", 18) = 18 [pid 369] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 369] rt_sigaction(SIGRT_1, {sa_handler=0x7f7e761dd510, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7e761cebc0}, NULL, 8) = 0 [pid 369] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 369] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7e7614e000 [pid 369] mprotect(0x7f7e7614f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 369] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 369] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7e7616e990, parent_tid=0x7f7e7616e990, exit_signal=0, stack=0x7f7e7614e000, stack_size=0x20300, tls=0x7f7e7616e6c0} => {parent_tid=[25]}, 88) = 25 [pid 369] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 369] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 369] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 370 attached [pid 370] set_robust_list(0x7f7e7616e9a0, 24) = 0 [pid 370] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 370] memfd_create("syzkaller", 0) = 3 [pid 370] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7e6dd4e000 [pid 370] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119) = 20699119 [pid 370] munmap(0x7f7e6dd4e000, 138412032) = 0 [pid 370] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 370] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 370] ioctl(4, LOOP_CLR_FD) = 0 [pid 370] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 370] close(4) = 0 [pid 370] close(3) = 0 [pid 370] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 370] futex(0x7f7e76242728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 369] <... futex resumed>) = 0 [pid 369] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 369] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 370] <... futex resumed>) = 0 [pid 370] bind(-1, NULL, 0) = -1 EBADF (Bad file descriptor) [pid 370] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 369] <... futex resumed>) = 0 [pid 369] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 369] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 370] <... futex resumed>) = 1 [pid 370] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 370] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 369] <... futex resumed>) = 0 [pid 369] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 369] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 370] <... futex resumed>) = 1 [pid 370] ioctl(3, SIOCGIFINDEX, {ifr_name="veth0_vlan"}) = -1 ENODEV (No such device) [pid 370] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 369] <... futex resumed>) = 0 [pid 369] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 369] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 370] <... futex resumed>) = 1 [pid 370] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 4 [pid 370] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 369] <... futex resumed>) = 0 [pid 369] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 369] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 370] <... futex resumed>) = 1 [pid 370] ioctl(4, SIOCGIFINDEX, {ifr_name="vlan0"}) = -1 ENODEV (No such device) [pid 370] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 369] <... futex resumed>) = 0 [pid 369] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 369] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 370] <... futex resumed>) = 1 [pid 370] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWCGROUP|CLONE_NEWPID|CLONE_NEWNET) = 0 [pid 370] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 370] futex(0x7f7e76242728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 369] <... futex resumed>) = 0 [pid 369] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 369] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 370] <... futex resumed>) = 0 [pid 370] gettid() = 25 [pid 370] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 369] <... futex resumed>) = 0 [pid 369] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 369] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 370] <... futex resumed>) = 1 [pid 370] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x19\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 40 [pid 370] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 369] <... futex resumed>) = 0 [pid 369] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000 [pid 370] <... futex resumed>) = 1 [pid 369] <... futex resumed>) = 0 [pid 369] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 370] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x19\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 40 [pid 370] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 369] <... futex resumed>) = 0 [pid 370] futex(0x7f7e76242728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 369] close(3) = 0 [pid 369] close(4) = 0 [pid 369] close(5) = -1 EBADF (Bad file descriptor) [pid 369] close(6) = -1 EBADF (Bad file descriptor) [pid 369] close(7) = -1 EBADF (Bad file descriptor) [pid 369] close(8) = -1 EBADF (Bad file descriptor) [pid 369] close(9) = -1 EBADF (Bad file descriptor) [pid 369] close(10) = -1 EBADF (Bad file descriptor) [pid 369] close(11) = -1 EBADF (Bad file descriptor) [pid 369] close(12) = -1 EBADF (Bad file descriptor) [pid 369] close(13) = -1 EBADF (Bad file descriptor) [pid 369] close(14) = -1 EBADF (Bad file descriptor) [pid 369] close(15) = -1 EBADF (Bad file descriptor) [pid 369] close(16) = -1 EBADF (Bad file descriptor) [pid 369] close(17) = -1 EBADF (Bad file descriptor) [pid 369] close(18) = -1 EBADF (Bad file descriptor) [pid 369] close(19) = -1 EBADF (Bad file descriptor) [pid 369] close(20) = -1 EBADF (Bad file descriptor) [pid 369] close(21) = -1 EBADF (Bad file descriptor) [pid 369] close(22) = -1 EBADF (Bad file descriptor) [pid 369] close(23) = -1 EBADF (Bad file descriptor) [pid 369] close(24) = -1 EBADF (Bad file descriptor) [pid 369] close(25) = -1 EBADF (Bad file descriptor) [pid 369] close(26) = -1 EBADF (Bad file descriptor) [pid 369] close(27) = -1 EBADF (Bad file descriptor) [pid 369] close(28) = -1 EBADF (Bad file descriptor) [pid 369] close(29) = -1 EBADF (Bad file descriptor) [pid 369] exit_group(0) = ? [pid 370] <... futex resumed>) = ? [pid 370] +++ exited with 0 +++ [pid 369] +++ exited with 0 +++ [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=24, si_uid=0, si_status=0, si_utime=2, si_stime=10} --- [pid 310] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 310] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 310] ioctl(3, LOOP_CLR_FD) = 0 [pid 310] close(3) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555585fe7690) = 26 ./strace-static-x86_64: Process 371 attached [pid 371] set_robust_list(0x555585fe76a0, 24) = 0 [pid 371] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 371] setpgid(0, 0) = 0 [pid 371] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 371] write(3, "1000", 4) = 4 [pid 371] close(3executing program ) = 0 [pid 371] write(1, "executing program\n", 18) = 18 [pid 371] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 371] rt_sigaction(SIGRT_1, {sa_handler=0x7f7e761dd510, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7e761cebc0}, NULL, 8) = 0 [pid 371] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 371] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7e7614e000 [pid 371] mprotect(0x7f7e7614f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 371] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 371] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7e7616e990, parent_tid=0x7f7e7616e990, exit_signal=0, stack=0x7f7e7614e000, stack_size=0x20300, tls=0x7f7e7616e6c0} => {parent_tid=[27]}, 88) = 27 ./strace-static-x86_64: Process 372 attached [pid 371] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 371] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 371] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 372] set_robust_list(0x7f7e7616e9a0, 24) = 0 [pid 372] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 372] memfd_create("syzkaller", 0) = 3 [pid 372] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7e6dd4e000 [pid 372] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119) = 20699119 [pid 372] munmap(0x7f7e6dd4e000, 138412032) = 0 [pid 372] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 372] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 372] ioctl(4, LOOP_CLR_FD) = 0 [pid 372] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 372] close(4) = 0 [pid 372] close(3) = 0 [pid 372] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 371] <... futex resumed>) = 0 [pid 371] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 371] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 372] <... futex resumed>) = 1 [pid 372] bind(-1, NULL, 0) = -1 EBADF (Bad file descriptor) [pid 372] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 371] <... futex resumed>) = 0 [pid 371] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 371] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 372] <... futex resumed>) = 1 [pid 372] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 372] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 371] <... futex resumed>) = 0 [pid 371] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 371] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 372] <... futex resumed>) = 1 [pid 372] ioctl(3, SIOCGIFINDEX, {ifr_name="veth0_vlan"}) = -1 ENODEV (No such device) [pid 372] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 371] <... futex resumed>) = 0 [pid 371] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 371] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 372] <... futex resumed>) = 1 [pid 372] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 4 [pid 372] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 371] <... futex resumed>) = 0 [pid 371] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 371] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 372] <... futex resumed>) = 1 [pid 372] ioctl(4, SIOCGIFINDEX, {ifr_name="vlan0"}) = -1 ENODEV (No such device) [pid 372] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 371] <... futex resumed>) = 0 [pid 371] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 371] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 372] <... futex resumed>) = 1 [pid 372] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWCGROUP|CLONE_NEWPID|CLONE_NEWNET) = 0 [pid 372] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 372] futex(0x7f7e76242728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 371] <... futex resumed>) = 0 [pid 371] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 371] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 372] <... futex resumed>) = 0 [pid 372] gettid() = 27 [pid 372] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 372] futex(0x7f7e76242728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 371] <... futex resumed>) = 0 [pid 371] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 371] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 372] <... futex resumed>) = 0 [pid 372] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x1b\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 40 [pid 372] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 371] <... futex resumed>) = 0 [pid 371] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 371] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 372] <... futex resumed>) = 1 [pid 372] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x1b\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 40 [pid 372] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 371] <... futex resumed>) = 0 [pid 371] close(3) = 0 [pid 371] close(4) = 0 [pid 371] close(5) = -1 EBADF (Bad file descriptor) [pid 371] close(6) = -1 EBADF (Bad file descriptor) [pid 371] close(7) = -1 EBADF (Bad file descriptor) [pid 371] close(8) = -1 EBADF (Bad file descriptor) [pid 371] close(9) = -1 EBADF (Bad file descriptor) [pid 371] close(10) = -1 EBADF (Bad file descriptor) [pid 371] close(11) = -1 EBADF (Bad file descriptor) [pid 371] close(12) = -1 EBADF (Bad file descriptor) [pid 371] close(13) = -1 EBADF (Bad file descriptor) [pid 371] close(14) = -1 EBADF (Bad file descriptor) [pid 371] close(15) = -1 EBADF (Bad file descriptor) [pid 371] close(16) = -1 EBADF (Bad file descriptor) [pid 371] close(17) = -1 EBADF (Bad file descriptor) [pid 371] close(18) = -1 EBADF (Bad file descriptor) [pid 371] close(19) = -1 EBADF (Bad file descriptor) [pid 371] close(20) = -1 EBADF (Bad file descriptor) [pid 371] close(21) = -1 EBADF (Bad file descriptor) [pid 371] close(22) = -1 EBADF (Bad file descriptor) [pid 371] close(23) = -1 EBADF (Bad file descriptor) [pid 371] close(24) = -1 EBADF (Bad file descriptor) [pid 371] close(25) = -1 EBADF (Bad file descriptor) [pid 371] close(26) = -1 EBADF (Bad file descriptor) [pid 371] close(27) = -1 EBADF (Bad file descriptor) [pid 371] close(28) = -1 EBADF (Bad file descriptor) [pid 371] close(29) = -1 EBADF (Bad file descriptor) [pid 371] exit_group(0) = ? [pid 372] <... futex resumed>) = ? [pid 372] +++ exited with 0 +++ [pid 371] +++ exited with 0 +++ [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26, si_uid=0, si_status=0, si_utime=4, si_stime=10} --- [pid 310] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 310] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 310] ioctl(3, LOOP_CLR_FD) = 0 [pid 310] close(3executing program ) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555585fe7690) = 28 ./strace-static-x86_64: Process 373 attached [pid 373] set_robust_list(0x555585fe76a0, 24) = 0 [pid 373] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 373] setpgid(0, 0) = 0 [pid 373] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 373] write(3, "1000", 4) = 4 [pid 373] close(3) = 0 [pid 373] write(1, "executing program\n", 18) = 18 [pid 373] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 373] rt_sigaction(SIGRT_1, {sa_handler=0x7f7e761dd510, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7e761cebc0}, NULL, 8) = 0 [pid 373] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 373] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7e7614e000 [pid 373] mprotect(0x7f7e7614f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 373] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 373] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7e7616e990, parent_tid=0x7f7e7616e990, exit_signal=0, stack=0x7f7e7614e000, stack_size=0x20300, tls=0x7f7e7616e6c0} => {parent_tid=[29]}, 88) = 29 [pid 373] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 373] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 373] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 374 attached [pid 374] set_robust_list(0x7f7e7616e9a0, 24) = 0 [pid 374] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 374] memfd_create("syzkaller", 0) = 3 [pid 374] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7e6dd4e000 [pid 374] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119) = 20699119 [pid 374] munmap(0x7f7e6dd4e000, 138412032) = 0 [pid 374] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 374] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 374] ioctl(4, LOOP_CLR_FD) = 0 [pid 374] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 374] close(4) = 0 [pid 374] close(3) = 0 [pid 374] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 374] futex(0x7f7e76242728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 373] <... futex resumed>) = 0 [pid 373] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 373] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 374] <... futex resumed>) = 0 [pid 374] bind(-1, NULL, 0) = -1 EBADF (Bad file descriptor) [pid 374] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 373] <... futex resumed>) = 0 [pid 373] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 373] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 374] <... futex resumed>) = 1 [pid 374] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 374] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 373] <... futex resumed>) = 0 [pid 373] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 373] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 374] <... futex resumed>) = 1 [pid 374] ioctl(3, SIOCGIFINDEX, {ifr_name="veth0_vlan"}) = -1 ENODEV (No such device) [pid 374] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 373] <... futex resumed>) = 0 [pid 373] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 373] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 374] <... futex resumed>) = 1 [pid 374] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 4 [pid 374] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 373] <... futex resumed>) = 0 [pid 373] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 373] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 374] <... futex resumed>) = 1 [pid 374] ioctl(4, SIOCGIFINDEX, {ifr_name="vlan0"}) = -1 ENODEV (No such device) [pid 374] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 373] <... futex resumed>) = 0 [pid 373] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 373] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 374] <... futex resumed>) = 1 [pid 374] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWCGROUP|CLONE_NEWPID|CLONE_NEWNET) = 0 [pid 374] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 374] futex(0x7f7e76242728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 373] <... futex resumed>) = 0 [pid 373] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 373] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 374] <... futex resumed>) = 0 [pid 374] gettid() = 29 [pid 374] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 373] <... futex resumed>) = 0 [pid 374] <... futex resumed>) = 1 [pid 373] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 373] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 374] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x1d\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 40 [pid 374] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 373] <... futex resumed>) = 0 [pid 374] <... futex resumed>) = 1 [pid 373] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 373] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 374] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x1d\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 40 [pid 374] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 373] <... futex resumed>) = 0 [pid 373] close(3 [pid 374] <... futex resumed>) = 1 [pid 373] <... close resumed>) = 0 [pid 373] close(4) = 0 [pid 373] close(5) = -1 EBADF (Bad file descriptor) [pid 373] close(6) = -1 EBADF (Bad file descriptor) [pid 373] close(7) = -1 EBADF (Bad file descriptor) [pid 373] close(8) = -1 EBADF (Bad file descriptor) [pid 373] close(9) = -1 EBADF (Bad file descriptor) [pid 373] close(10) = -1 EBADF (Bad file descriptor) [pid 373] close(11) = -1 EBADF (Bad file descriptor) [pid 373] close(12) = -1 EBADF (Bad file descriptor) [pid 373] close(13) = -1 EBADF (Bad file descriptor) [pid 373] close(14) = -1 EBADF (Bad file descriptor) [pid 373] close(15) = -1 EBADF (Bad file descriptor) [pid 373] close(16) = -1 EBADF (Bad file descriptor) [pid 373] close(17) = -1 EBADF (Bad file descriptor) [pid 373] close(18) = -1 EBADF (Bad file descriptor) [pid 373] close(19) = -1 EBADF (Bad file descriptor) [pid 373] close(20) = -1 EBADF (Bad file descriptor) [pid 373] close(21) = -1 EBADF (Bad file descriptor) [pid 373] close(22) = -1 EBADF (Bad file descriptor) [pid 373] close(23) = -1 EBADF (Bad file descriptor) [pid 373] close(24) = -1 EBADF (Bad file descriptor) [pid 373] close(25) = -1 EBADF (Bad file descriptor) [pid 373] close(26) = -1 EBADF (Bad file descriptor) [pid 373] close(27) = -1 EBADF (Bad file descriptor) [pid 373] close(28) = -1 EBADF (Bad file descriptor) [pid 373] close(29) = -1 EBADF (Bad file descriptor) [pid 373] exit_group(0) = ? [pid 374] +++ exited with 0 +++ [pid 373] +++ exited with 0 +++ [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=28, si_uid=0, si_status=0, si_utime=5, si_stime=8} --- [pid 310] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 310] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 310] ioctl(3, LOOP_CLR_FD) = 0 executing program [pid 310] close(3) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555585fe7690) = 30 ./strace-static-x86_64: Process 387 attached [pid 387] set_robust_list(0x555585fe76a0, 24) = 0 [pid 387] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 387] setpgid(0, 0) = 0 [pid 387] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 387] write(3, "1000", 4) = 4 [pid 387] close(3) = 0 [pid 387] write(1, "executing program\n", 18) = 18 [pid 387] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 387] rt_sigaction(SIGRT_1, {sa_handler=0x7f7e761dd510, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7e761cebc0}, NULL, 8) = 0 [pid 387] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 387] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7e7614e000 [pid 387] mprotect(0x7f7e7614f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 387] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 387] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7e7616e990, parent_tid=0x7f7e7616e990, exit_signal=0, stack=0x7f7e7614e000, stack_size=0x20300, tls=0x7f7e7616e6c0} => {parent_tid=[31]}, 88) = 31 [pid 387] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 387] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 387] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 388 attached [pid 388] set_robust_list(0x7f7e7616e9a0, 24) = 0 [pid 388] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 388] memfd_create("syzkaller", 0) = 3 [pid 388] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7e6dd4e000 [pid 388] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119) = 20699119 [pid 388] munmap(0x7f7e6dd4e000, 138412032) = 0 [pid 388] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 388] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 388] ioctl(4, LOOP_CLR_FD) = 0 [pid 388] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 388] close(4) = 0 [pid 388] close(3) = 0 [pid 388] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 387] <... futex resumed>) = 0 [pid 387] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 387] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 388] <... futex resumed>) = 1 [pid 388] bind(-1, NULL, 0) = -1 EBADF (Bad file descriptor) [pid 388] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 387] <... futex resumed>) = 0 [pid 387] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 387] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 388] <... futex resumed>) = 1 [pid 388] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 388] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 387] <... futex resumed>) = 0 [pid 387] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 387] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 388] ioctl(3, SIOCGIFINDEX, {ifr_name="veth0_vlan"}) = -1 ENODEV (No such device) [pid 388] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 387] <... futex resumed>) = 0 [pid 388] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 387] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 387] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 388] <... socket resumed>) = 4 [pid 388] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 387] <... futex resumed>) = 0 [pid 387] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 387] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 388] ioctl(4, SIOCGIFINDEX, {ifr_name="vlan0"}) = -1 ENODEV (No such device) [pid 388] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 387] <... futex resumed>) = 0 [pid 387] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 387] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 388] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWCGROUP|CLONE_NEWPID|CLONE_NEWNET) = 0 [pid 388] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 387] <... futex resumed>) = 0 [pid 387] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 387] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 388] gettid() = 31 [pid 388] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 387] <... futex resumed>) = 0 [pid 387] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 387] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 388] <... futex resumed>) = 1 [pid 388] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x1f\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 40 [pid 388] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 387] <... futex resumed>) = 0 [pid 387] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 387] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 388] <... futex resumed>) = 1 [pid 388] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x1f\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 40 [pid 388] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 387] <... futex resumed>) = 0 [pid 387] close(3) = 0 [pid 387] close(4) = 0 [pid 387] close(5) = -1 EBADF (Bad file descriptor) [pid 387] close(6) = -1 EBADF (Bad file descriptor) [pid 387] close(7) = -1 EBADF (Bad file descriptor) [pid 387] close(8) = -1 EBADF (Bad file descriptor) [pid 387] close(9) = -1 EBADF (Bad file descriptor) [pid 387] close(10) = -1 EBADF (Bad file descriptor) [pid 387] close(11) = -1 EBADF (Bad file descriptor) [pid 387] close(12) = -1 EBADF (Bad file descriptor) [pid 387] close(13) = -1 EBADF (Bad file descriptor) [pid 387] close(14) = -1 EBADF (Bad file descriptor) [pid 387] close(15) = -1 EBADF (Bad file descriptor) [pid 387] close(16) = -1 EBADF (Bad file descriptor) [pid 387] close(17) = -1 EBADF (Bad file descriptor) [pid 387] close(18) = -1 EBADF (Bad file descriptor) [pid 387] close(19) = -1 EBADF (Bad file descriptor) [pid 387] close(20) = -1 EBADF (Bad file descriptor) [pid 387] close(21) = -1 EBADF (Bad file descriptor) [pid 387] close(22) = -1 EBADF (Bad file descriptor) [pid 387] close(23) = -1 EBADF (Bad file descriptor) [pid 387] close(24) = -1 EBADF (Bad file descriptor) [pid 387] close(25) = -1 EBADF (Bad file descriptor) [pid 387] close(26) = -1 EBADF (Bad file descriptor) [pid 387] close(27) = -1 EBADF (Bad file descriptor) [pid 387] close(28) = -1 EBADF (Bad file descriptor) [pid 387] close(29) = -1 EBADF (Bad file descriptor) [pid 387] exit_group(0) = ? [pid 388] <... futex resumed>) = ? [pid 388] +++ exited with 0 +++ [pid 387] +++ exited with 0 +++ [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=30, si_uid=0, si_status=0, si_utime=4, si_stime=8} --- [pid 310] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 310] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 310] ioctl(3, LOOP_CLR_FD) = 0 [pid 310] close(3executing program ) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555585fe7690) = 32 ./strace-static-x86_64: Process 389 attached [pid 389] set_robust_list(0x555585fe76a0, 24) = 0 [pid 389] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 389] setpgid(0, 0) = 0 [pid 389] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 389] write(3, "1000", 4) = 4 [pid 389] close(3) = 0 [pid 389] write(1, "executing program\n", 18) = 18 [pid 389] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 389] rt_sigaction(SIGRT_1, {sa_handler=0x7f7e761dd510, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7e761cebc0}, NULL, 8) = 0 [pid 389] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 389] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7e7614e000 [pid 389] mprotect(0x7f7e7614f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 389] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 389] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7e7616e990, parent_tid=0x7f7e7616e990, exit_signal=0, stack=0x7f7e7614e000, stack_size=0x20300, tls=0x7f7e7616e6c0} => {parent_tid=[33]}, 88) = 33 [pid 389] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 389] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 389] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 390 attached [pid 390] set_robust_list(0x7f7e7616e9a0, 24) = 0 [pid 390] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 390] memfd_create("syzkaller", 0) = 3 [pid 390] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7e6dd4e000 [pid 390] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119) = 20699119 [pid 390] munmap(0x7f7e6dd4e000, 138412032) = 0 [pid 390] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 390] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 390] ioctl(4, LOOP_CLR_FD) = 0 [pid 390] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 390] close(4) = 0 [pid 390] close(3) = 0 [pid 390] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 390] futex(0x7f7e76242728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 389] <... futex resumed>) = 0 [pid 389] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 389] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 390] <... futex resumed>) = 0 [pid 390] bind(-1, NULL, 0) = -1 EBADF (Bad file descriptor) [pid 390] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 389] <... futex resumed>) = 0 [pid 389] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 389] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 390] <... futex resumed>) = 1 [pid 390] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 390] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 390] futex(0x7f7e76242728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 389] <... futex resumed>) = 0 [pid 389] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 389] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 390] <... futex resumed>) = 0 [pid 390] ioctl(3, SIOCGIFINDEX, {ifr_name="veth0_vlan"}) = -1 ENODEV (No such device) [pid 390] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 389] <... futex resumed>) = 0 [pid 389] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 389] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 390] <... futex resumed>) = 1 [pid 390] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 4 [pid 390] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 389] <... futex resumed>) = 0 [pid 389] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 389] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 390] <... futex resumed>) = 1 [pid 390] ioctl(4, SIOCGIFINDEX, {ifr_name="vlan0"}) = -1 ENODEV (No such device) [pid 390] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 389] <... futex resumed>) = 0 [pid 389] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 389] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 390] <... futex resumed>) = 1 [pid 390] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWCGROUP|CLONE_NEWPID|CLONE_NEWNET) = 0 [pid 390] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 389] <... futex resumed>) = 0 [pid 390] gettid( [pid 389] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000 [pid 390] <... gettid resumed>) = 33 [pid 389] <... futex resumed>) = 0 [pid 390] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 389] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 390] <... futex resumed>) = 0 [pid 389] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 390] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x21\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 389] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 389] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 390] <... sendmsg resumed>) = 40 [pid 390] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 389] <... futex resumed>) = 0 [pid 390] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x21\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 389] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 389] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 390] <... sendmsg resumed>) = 40 [pid 390] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 389] <... futex resumed>) = 0 [pid 390] futex(0x7f7e76242728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 389] close(3) = 0 [pid 389] close(4) = 0 [pid 389] close(5) = -1 EBADF (Bad file descriptor) [pid 389] close(6) = -1 EBADF (Bad file descriptor) [pid 389] close(7) = -1 EBADF (Bad file descriptor) [pid 389] close(8) = -1 EBADF (Bad file descriptor) [pid 389] close(9) = -1 EBADF (Bad file descriptor) [pid 389] close(10) = -1 EBADF (Bad file descriptor) [pid 389] close(11) = -1 EBADF (Bad file descriptor) [pid 389] close(12) = -1 EBADF (Bad file descriptor) [pid 389] close(13) = -1 EBADF (Bad file descriptor) [pid 389] close(14) = -1 EBADF (Bad file descriptor) [pid 389] close(15) = -1 EBADF (Bad file descriptor) [pid 389] close(16) = -1 EBADF (Bad file descriptor) [pid 389] close(17) = -1 EBADF (Bad file descriptor) [pid 389] close(18) = -1 EBADF (Bad file descriptor) [pid 389] close(19) = -1 EBADF (Bad file descriptor) [pid 389] close(20) = -1 EBADF (Bad file descriptor) [pid 389] close(21) = -1 EBADF (Bad file descriptor) [pid 389] close(22) = -1 EBADF (Bad file descriptor) [pid 389] close(23) = -1 EBADF (Bad file descriptor) [pid 389] close(24) = -1 EBADF (Bad file descriptor) [pid 389] close(25) = -1 EBADF (Bad file descriptor) [pid 389] close(26) = -1 EBADF (Bad file descriptor) [pid 389] close(27) = -1 EBADF (Bad file descriptor) [pid 389] close(28) = -1 EBADF (Bad file descriptor) [pid 389] close(29) = -1 EBADF (Bad file descriptor) [pid 389] exit_group(0) = ? [pid 390] <... futex resumed>) = ? [pid 390] +++ exited with 0 +++ [pid 389] +++ exited with 0 +++ [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=32, si_uid=0, si_status=0, si_utime=2, si_stime=11} --- [pid 310] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 310] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 310] ioctl(3, LOOP_CLR_FD) = 0 [pid 310] close(3) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555585fe7690) = 34 ./strace-static-x86_64: Process 391 attached [pid 391] set_robust_list(0x555585fe76a0, 24) = 0 [pid 391] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 391] setpgid(0, 0) = 0 [pid 391] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 391] write(3, "1000", 4) = 4 [pid 391] close(3) = 0 [pid 391] write(1, "executing program\n", 18executing program ) = 18 [pid 391] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 391] rt_sigaction(SIGRT_1, {sa_handler=0x7f7e761dd510, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7e761cebc0}, NULL, 8) = 0 [pid 391] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 391] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7e7614e000 [pid 391] mprotect(0x7f7e7614f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 391] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 391] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7e7616e990, parent_tid=0x7f7e7616e990, exit_signal=0, stack=0x7f7e7614e000, stack_size=0x20300, tls=0x7f7e7616e6c0} => {parent_tid=[35]}, 88) = 35 [pid 391] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 391] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 391] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 392 attached [pid 392] set_robust_list(0x7f7e7616e9a0, 24) = 0 [pid 392] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 392] memfd_create("syzkaller", 0) = 3 [pid 392] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7e6dd4e000 [pid 392] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119) = 20699119 [pid 392] munmap(0x7f7e6dd4e000, 138412032) = 0 [pid 392] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 392] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 392] ioctl(4, LOOP_CLR_FD) = 0 [pid 392] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 392] close(4) = 0 [pid 392] close(3) = 0 [pid 392] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 391] <... futex resumed>) = 0 [pid 391] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000 [pid 392] bind(-1, NULL, 0) = -1 EBADF (Bad file descriptor) [pid 392] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 391] <... futex resumed>) = 0 [pid 392] futex(0x7f7e76242728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 391] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 391] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 391] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 392] <... futex resumed>) = 0 [pid 392] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 392] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 391] <... futex resumed>) = 0 [pid 391] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 391] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 392] <... futex resumed>) = 1 [pid 392] ioctl(3, SIOCGIFINDEX, {ifr_name="veth0_vlan"}) = -1 ENODEV (No such device) [pid 392] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 391] <... futex resumed>) = 0 [pid 391] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 391] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 392] <... futex resumed>) = 1 [pid 392] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 4 [pid 392] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 391] <... futex resumed>) = 0 [pid 391] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 391] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 392] <... futex resumed>) = 1 [pid 392] ioctl(4, SIOCGIFINDEX, {ifr_name="vlan0"}) = -1 ENODEV (No such device) [pid 392] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 391] <... futex resumed>) = 0 [pid 391] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 391] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 392] <... futex resumed>) = 1 [pid 392] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWCGROUP|CLONE_NEWPID|CLONE_NEWNET) = 0 [pid 392] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 391] <... futex resumed>) = 0 [pid 392] gettid( [pid 391] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000 [pid 392] <... gettid resumed>) = 35 [pid 391] <... futex resumed>) = 0 [pid 392] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 391] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 392] <... futex resumed>) = 0 [pid 391] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 392] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x23\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 391] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 391] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 392] <... sendmsg resumed>) = 40 [pid 392] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 391] <... futex resumed>) = 0 [pid 391] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 391] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 392] <... futex resumed>) = 1 [pid 392] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x23\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 40 [pid 392] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 391] <... futex resumed>) = 0 [pid 391] close(3) = 0 [pid 391] close(4) = 0 [pid 391] close(5) = -1 EBADF (Bad file descriptor) [pid 391] close(6) = -1 EBADF (Bad file descriptor) [pid 391] close(7) = -1 EBADF (Bad file descriptor) [pid 391] close(8) = -1 EBADF (Bad file descriptor) [pid 391] close(9) = -1 EBADF (Bad file descriptor) [pid 391] close(10) = -1 EBADF (Bad file descriptor) [pid 391] close(11) = -1 EBADF (Bad file descriptor) [pid 391] close(12) = -1 EBADF (Bad file descriptor) [pid 391] close(13) = -1 EBADF (Bad file descriptor) [pid 391] close(14) = -1 EBADF (Bad file descriptor) [pid 391] close(15) = -1 EBADF (Bad file descriptor) [pid 391] close(16) = -1 EBADF (Bad file descriptor) [pid 391] close(17) = -1 EBADF (Bad file descriptor) [pid 391] close(18) = -1 EBADF (Bad file descriptor) [pid 391] close(19) = -1 EBADF (Bad file descriptor) [pid 391] close(20) = -1 EBADF (Bad file descriptor) [pid 391] close(21) = -1 EBADF (Bad file descriptor) [pid 391] close(22) = -1 EBADF (Bad file descriptor) [pid 391] close(23) = -1 EBADF (Bad file descriptor) [pid 391] close(24) = -1 EBADF (Bad file descriptor) [pid 391] close(25) = -1 EBADF (Bad file descriptor) [pid 391] close(26) = -1 EBADF (Bad file descriptor) [pid 391] close(27) = -1 EBADF (Bad file descriptor) [pid 391] close(28) = -1 EBADF (Bad file descriptor) [pid 391] close(29) = -1 EBADF (Bad file descriptor) [pid 391] exit_group(0) = ? [pid 392] <... futex resumed>) = ? [pid 392] +++ exited with 0 +++ [pid 391] +++ exited with 0 +++ [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=34, si_uid=0, si_status=0, si_utime=4, si_stime=10} --- [pid 310] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 310] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 310] ioctl(3, LOOP_CLR_FD) = 0 [pid 310] close(3) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555585fe7690) = 36 ./strace-static-x86_64: Process 394 attached [pid 394] set_robust_list(0x555585fe76a0, 24) = 0 [pid 394] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 394] setpgid(0, 0) = 0 [pid 394] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 394] write(3, "1000", 4) = 4 [pid 394] close(3) = 0 [pid 394] write(1, "executing program\n", 18executing program ) = 18 [pid 394] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 394] rt_sigaction(SIGRT_1, {sa_handler=0x7f7e761dd510, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7e761cebc0}, NULL, 8) = 0 [pid 394] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 394] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7e7614e000 [pid 394] mprotect(0x7f7e7614f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 394] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 394] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7e7616e990, parent_tid=0x7f7e7616e990, exit_signal=0, stack=0x7f7e7614e000, stack_size=0x20300, tls=0x7f7e7616e6c0}./strace-static-x86_64: Process 395 attached => {parent_tid=[37]}, 88) = 37 [pid 395] set_robust_list(0x7f7e7616e9a0, 24) = 0 [pid 395] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 395] futex(0x7f7e76242728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 394] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 394] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 395] <... futex resumed>) = 0 [pid 395] memfd_create("syzkaller", 0) = 3 [pid 395] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7e6dd4e000 [pid 394] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 395] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119) = 20699119 [pid 395] munmap(0x7f7e6dd4e000, 138412032) = 0 [pid 395] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 395] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 395] ioctl(4, LOOP_CLR_FD) = 0 [pid 395] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 395] close(4) = 0 [pid 395] close(3) = 0 [pid 395] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 394] <... futex resumed>) = 0 [pid 394] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 394] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 395] <... futex resumed>) = 1 [pid 395] bind(-1, NULL, 0) = -1 EBADF (Bad file descriptor) [pid 395] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 394] <... futex resumed>) = 0 [pid 394] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 394] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 395] <... futex resumed>) = 1 [pid 395] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 395] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 394] <... futex resumed>) = 0 [pid 395] futex(0x7f7e76242728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 394] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 394] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 395] <... futex resumed>) = 0 [pid 395] ioctl(3, SIOCGIFINDEX, {ifr_name="veth0_vlan"}) = -1 ENODEV (No such device) [pid 395] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 394] <... futex resumed>) = 0 [pid 394] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 394] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 395] <... futex resumed>) = 1 [pid 395] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 4 [pid 395] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 394] <... futex resumed>) = 0 [pid 394] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 394] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 395] <... futex resumed>) = 1 [pid 395] ioctl(4, SIOCGIFINDEX, {ifr_name="vlan0"}) = -1 ENODEV (No such device) [pid 395] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 394] <... futex resumed>) = 0 [pid 394] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 394] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 395] <... futex resumed>) = 1 [pid 395] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWCGROUP|CLONE_NEWPID|CLONE_NEWNET) = 0 [pid 395] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 394] <... futex resumed>) = 0 [pid 394] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 394] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 395] <... futex resumed>) = 1 [pid 395] gettid() = 37 [pid 395] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 394] <... futex resumed>) = 0 [pid 394] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 394] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 395] <... futex resumed>) = 1 [pid 395] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x25\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 40 [pid 395] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 394] <... futex resumed>) = 0 [pid 394] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 394] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 395] <... futex resumed>) = 1 [pid 395] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x25\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 40 [pid 395] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 394] <... futex resumed>) = 0 [pid 394] close(3) = 0 [pid 394] close(4) = 0 [pid 394] close(5) = -1 EBADF (Bad file descriptor) [pid 394] close(6) = -1 EBADF (Bad file descriptor) [pid 394] close(7) = -1 EBADF (Bad file descriptor) [pid 394] close(8) = -1 EBADF (Bad file descriptor) [pid 394] close(9) = -1 EBADF (Bad file descriptor) [pid 394] close(10) = -1 EBADF (Bad file descriptor) [pid 394] close(11) = -1 EBADF (Bad file descriptor) [pid 394] close(12) = -1 EBADF (Bad file descriptor) [pid 394] close(13) = -1 EBADF (Bad file descriptor) [pid 394] close(14) = -1 EBADF (Bad file descriptor) [pid 394] close(15) = -1 EBADF (Bad file descriptor) [pid 394] close(16) = -1 EBADF (Bad file descriptor) [pid 394] close(17) = -1 EBADF (Bad file descriptor) [pid 394] close(18) = -1 EBADF (Bad file descriptor) [pid 394] close(19) = -1 EBADF (Bad file descriptor) [pid 394] close(20) = -1 EBADF (Bad file descriptor) [pid 394] close(21) = -1 EBADF (Bad file descriptor) [pid 394] close(22) = -1 EBADF (Bad file descriptor) [pid 394] close(23) = -1 EBADF (Bad file descriptor) [pid 394] close(24) = -1 EBADF (Bad file descriptor) [pid 394] close(25) = -1 EBADF (Bad file descriptor) [pid 394] close(26) = -1 EBADF (Bad file descriptor) [pid 394] close(27) = -1 EBADF (Bad file descriptor) [pid 394] close(28) = -1 EBADF (Bad file descriptor) [pid 394] close(29) = -1 EBADF (Bad file descriptor) [pid 394] exit_group(0) = ? [pid 395] <... futex resumed>) = ? [pid 395] +++ exited with 0 +++ [pid 394] +++ exited with 0 +++ [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=36, si_uid=0, si_status=0, si_utime=3, si_stime=11} --- [pid 310] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 310] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 310] ioctl(3, LOOP_CLR_FD) = 0 [pid 310] close(3) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555585fe7690) = 38 ./strace-static-x86_64: Process 396 attached [pid 396] set_robust_list(0x555585fe76a0, 24) = 0 [pid 396] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 396] setpgid(0, 0) = 0 [pid 396] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 396] write(3, "1000", 4) = 4 [pid 396] close(3) = 0 [pid 396] write(1, "executing program\n", 18executing program ) = 18 [pid 396] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 396] rt_sigaction(SIGRT_1, {sa_handler=0x7f7e761dd510, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7e761cebc0}, NULL, 8) = 0 [pid 396] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 396] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7e7614e000 [pid 396] mprotect(0x7f7e7614f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 396] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 396] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7e7616e990, parent_tid=0x7f7e7616e990, exit_signal=0, stack=0x7f7e7614e000, stack_size=0x20300, tls=0x7f7e7616e6c0} => {parent_tid=[39]}, 88) = 39 [pid 396] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 396] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 396] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 397 attached [pid 397] set_robust_list(0x7f7e7616e9a0, 24) = 0 [pid 397] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 397] memfd_create("syzkaller", 0) = 3 [pid 397] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7e6dd4e000 [pid 397] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119) = 20699119 [pid 397] munmap(0x7f7e6dd4e000, 138412032) = 0 [pid 397] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 397] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 397] ioctl(4, LOOP_CLR_FD) = 0 [pid 397] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 397] close(4) = 0 [pid 397] close(3) = 0 [pid 397] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 396] <... futex resumed>) = 0 [pid 396] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 397] <... futex resumed>) = 1 [pid 396] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 397] bind(-1, NULL, 0) = -1 EBADF (Bad file descriptor) [pid 397] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 396] <... futex resumed>) = 0 [pid 396] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 396] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 397] <... futex resumed>) = 1 [pid 397] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 397] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 396] <... futex resumed>) = 0 [pid 396] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 396] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 397] <... futex resumed>) = 1 [pid 397] ioctl(3, SIOCGIFINDEX, {ifr_name="veth0_vlan"}) = -1 ENODEV (No such device) [pid 397] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 396] <... futex resumed>) = 0 [pid 396] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 396] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 397] <... futex resumed>) = 1 [pid 397] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 4 [pid 397] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 396] <... futex resumed>) = 0 [pid 396] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 396] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 397] <... futex resumed>) = 1 [pid 397] ioctl(4, SIOCGIFINDEX, {ifr_name="vlan0"}) = -1 ENODEV (No such device) [pid 397] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 396] <... futex resumed>) = 0 [pid 396] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000 [pid 397] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWCGROUP|CLONE_NEWPID|CLONE_NEWNET [pid 396] <... futex resumed>) = 0 [pid 396] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 397] <... unshare resumed>) = 0 [pid 397] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 396] <... futex resumed>) = 0 [pid 396] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 396] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 397] <... futex resumed>) = 1 [pid 397] gettid() = 39 [pid 397] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 396] <... futex resumed>) = 0 [pid 397] futex(0x7f7e76242728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 396] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000 [pid 397] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 396] <... futex resumed>) = 0 [pid 397] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x27\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 396] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 397] <... sendmsg resumed>) = 40 [pid 397] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 396] <... futex resumed>) = 0 [pid 397] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x27\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 396] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 396] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 397] <... sendmsg resumed>) = 40 [pid 397] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 396] <... futex resumed>) = 0 [pid 396] close(3 [pid 397] <... futex resumed>) = 1 [pid 397] futex(0x7f7e76242728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 396] <... close resumed>) = 0 [pid 396] close(4) = 0 [pid 396] close(5) = -1 EBADF (Bad file descriptor) [pid 396] close(6) = -1 EBADF (Bad file descriptor) [pid 396] close(7) = -1 EBADF (Bad file descriptor) [pid 396] close(8) = -1 EBADF (Bad file descriptor) [pid 396] close(9) = -1 EBADF (Bad file descriptor) [pid 396] close(10) = -1 EBADF (Bad file descriptor) [pid 396] close(11) = -1 EBADF (Bad file descriptor) [pid 396] close(12) = -1 EBADF (Bad file descriptor) [pid 396] close(13) = -1 EBADF (Bad file descriptor) [pid 396] close(14) = -1 EBADF (Bad file descriptor) [pid 396] close(15) = -1 EBADF (Bad file descriptor) [pid 396] close(16) = -1 EBADF (Bad file descriptor) [pid 396] close(17) = -1 EBADF (Bad file descriptor) [pid 396] close(18) = -1 EBADF (Bad file descriptor) [pid 396] close(19) = -1 EBADF (Bad file descriptor) [pid 396] close(20) = -1 EBADF (Bad file descriptor) [pid 396] close(21) = -1 EBADF (Bad file descriptor) [pid 396] close(22) = -1 EBADF (Bad file descriptor) [pid 396] close(23) = -1 EBADF (Bad file descriptor) [pid 396] close(24) = -1 EBADF (Bad file descriptor) [pid 396] close(25) = -1 EBADF (Bad file descriptor) [pid 396] close(26) = -1 EBADF (Bad file descriptor) [pid 396] close(27) = -1 EBADF (Bad file descriptor) [pid 396] close(28) = -1 EBADF (Bad file descriptor) [pid 396] close(29) = -1 EBADF (Bad file descriptor) [pid 396] exit_group(0) = ? [pid 397] <... futex resumed>) = ? [pid 397] +++ exited with 0 +++ [pid 396] +++ exited with 0 +++ [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=38, si_uid=0, si_status=0, si_utime=4, si_stime=10} --- [pid 310] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 310] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 310] ioctl(3, LOOP_CLR_FD) = 0 [pid 310] close(3) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555585fe7690) = 40 ./strace-static-x86_64: Process 398 attached [pid 398] set_robust_list(0x555585fe76a0, 24) = 0 [pid 398] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 398] setpgid(0, 0) = 0 [pid 398] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 398] write(3, "1000", 4) = 4 [pid 398] close(3) = 0 [pid 398] write(1, "executing program\n", 18executing program ) = 18 [pid 398] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 398] rt_sigaction(SIGRT_1, {sa_handler=0x7f7e761dd510, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7e761cebc0}, NULL, 8) = 0 [pid 398] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 398] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7e7614e000 [pid 398] mprotect(0x7f7e7614f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 398] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 398] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7e7616e990, parent_tid=0x7f7e7616e990, exit_signal=0, stack=0x7f7e7614e000, stack_size=0x20300, tls=0x7f7e7616e6c0}./strace-static-x86_64: Process 399 attached [pid 399] set_robust_list(0x7f7e7616e9a0, 24) = 0 [pid 399] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 399] futex(0x7f7e76242728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 398] <... clone3 resumed> => {parent_tid=[41]}, 88) = 41 [pid 398] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 398] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 399] <... futex resumed>) = 0 [pid 399] memfd_create("syzkaller", 0 [pid 398] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 399] <... memfd_create resumed>) = 3 [pid 399] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7e6dd4e000 [pid 399] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119) = 20699119 [pid 399] munmap(0x7f7e6dd4e000, 138412032) = 0 [pid 399] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 399] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 399] ioctl(4, LOOP_CLR_FD) = 0 [pid 399] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 399] close(4) = 0 [pid 399] close(3) = 0 [pid 399] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 399] futex(0x7f7e76242728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 398] <... futex resumed>) = 0 [pid 398] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 398] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 399] <... futex resumed>) = 0 [pid 399] bind(-1, NULL, 0) = -1 EBADF (Bad file descriptor) [pid 399] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 398] <... futex resumed>) = 0 [pid 398] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 398] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 399] <... futex resumed>) = 1 [pid 399] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 399] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 398] <... futex resumed>) = 0 [pid 398] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 398] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 399] <... futex resumed>) = 1 [pid 399] ioctl(3, SIOCGIFINDEX, {ifr_name="veth0_vlan"}) = -1 ENODEV (No such device) [pid 399] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 398] <... futex resumed>) = 0 [pid 398] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 398] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 399] <... futex resumed>) = 1 [pid 399] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 4 [pid 399] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 398] <... futex resumed>) = 0 [pid 398] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 398] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 399] <... futex resumed>) = 1 [pid 399] ioctl(4, SIOCGIFINDEX, {ifr_name="vlan0"}) = -1 ENODEV (No such device) [pid 399] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 398] <... futex resumed>) = 0 [pid 398] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 398] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 399] <... futex resumed>) = 1 [pid 399] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWCGROUP|CLONE_NEWPID|CLONE_NEWNET) = 0 [pid 399] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 399] futex(0x7f7e76242728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 398] <... futex resumed>) = 0 [pid 398] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 398] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 399] <... futex resumed>) = 0 [pid 399] gettid() = 41 [pid 399] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 398] <... futex resumed>) = 0 [pid 398] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000 [pid 399] <... futex resumed>) = 1 [pid 398] <... futex resumed>) = 0 [pid 398] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 399] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x29\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 40 [pid 399] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 398] <... futex resumed>) = 0 [pid 398] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 398] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 399] <... futex resumed>) = 1 [pid 399] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x29\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 40 [pid 399] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 398] <... futex resumed>) = 0 [pid 398] close(3 [pid 399] <... futex resumed>) = 1 [pid 398] <... close resumed>) = 0 [pid 399] futex(0x7f7e76242728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 398] close(4) = 0 [pid 398] close(5) = -1 EBADF (Bad file descriptor) [pid 398] close(6) = -1 EBADF (Bad file descriptor) [pid 398] close(7) = -1 EBADF (Bad file descriptor) [pid 398] close(8) = -1 EBADF (Bad file descriptor) [pid 398] close(9) = -1 EBADF (Bad file descriptor) [pid 398] close(10) = -1 EBADF (Bad file descriptor) [pid 398] close(11) = -1 EBADF (Bad file descriptor) [pid 398] close(12) = -1 EBADF (Bad file descriptor) [pid 398] close(13) = -1 EBADF (Bad file descriptor) [pid 398] close(14) = -1 EBADF (Bad file descriptor) [pid 398] close(15) = -1 EBADF (Bad file descriptor) [pid 398] close(16) = -1 EBADF (Bad file descriptor) [pid 398] close(17) = -1 EBADF (Bad file descriptor) [pid 398] close(18) = -1 EBADF (Bad file descriptor) [pid 398] close(19) = -1 EBADF (Bad file descriptor) [pid 398] close(20) = -1 EBADF (Bad file descriptor) [pid 398] close(21) = -1 EBADF (Bad file descriptor) [pid 398] close(22) = -1 EBADF (Bad file descriptor) [pid 398] close(23) = -1 EBADF (Bad file descriptor) [pid 398] close(24) = -1 EBADF (Bad file descriptor) [pid 398] close(25) = -1 EBADF (Bad file descriptor) [pid 398] close(26) = -1 EBADF (Bad file descriptor) [pid 398] close(27) = -1 EBADF (Bad file descriptor) [pid 398] close(28) = -1 EBADF (Bad file descriptor) [pid 398] close(29) = -1 EBADF (Bad file descriptor) [pid 398] exit_group(0) = ? [pid 399] <... futex resumed>) = ? [pid 399] +++ exited with 0 +++ [pid 398] +++ exited with 0 +++ [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=40, si_uid=0, si_status=0, si_utime=5, si_stime=8} --- [pid 310] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 310] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 310] ioctl(3, LOOP_CLR_FD) = 0 [pid 310] close(3) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555585fe7690) = 42 ./strace-static-x86_64: Process 400 attached [pid 400] set_robust_list(0x555585fe76a0, 24) = 0 [pid 400] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 400] setpgid(0, 0) = 0 [pid 400] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 400] write(3, "1000", 4) = 4 [pid 400] close(3) = 0 [pid 400] write(1, "executing program\n", 18executing program ) = 18 [pid 400] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 400] rt_sigaction(SIGRT_1, {sa_handler=0x7f7e761dd510, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7e761cebc0}, NULL, 8) = 0 [pid 400] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 400] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7e7614e000 [pid 400] mprotect(0x7f7e7614f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 400] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 400] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7e7616e990, parent_tid=0x7f7e7616e990, exit_signal=0, stack=0x7f7e7614e000, stack_size=0x20300, tls=0x7f7e7616e6c0}./strace-static-x86_64: Process 401 attached [pid 401] set_robust_list(0x7f7e7616e9a0, 24) = 0 [pid 401] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 401] futex(0x7f7e76242728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 400] <... clone3 resumed> => {parent_tid=[43]}, 88) = 43 [pid 400] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 400] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000 [pid 401] <... futex resumed>) = 0 [pid 400] <... futex resumed>) = 1 [pid 400] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 401] memfd_create("syzkaller", 0) = 3 [pid 401] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7e6dd4e000 [pid 401] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119) = 20699119 [pid 401] munmap(0x7f7e6dd4e000, 138412032) = 0 [pid 401] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 401] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 401] ioctl(4, LOOP_CLR_FD) = 0 [pid 401] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 401] close(4) = 0 [pid 401] close(3) = 0 [pid 401] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 400] <... futex resumed>) = 0 [pid 400] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 400] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 401] bind(-1, NULL, 0) = -1 EBADF (Bad file descriptor) [pid 401] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 400] <... futex resumed>) = 0 [pid 400] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 400] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 401] <... futex resumed>) = 1 [pid 401] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 401] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 400] <... futex resumed>) = 0 [pid 401] ioctl(3, SIOCGIFINDEX, {ifr_name="veth0_vlan" [pid 400] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 401] <... ioctl resumed>}) = -1 ENODEV (No such device) [pid 400] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 401] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 400] <... futex resumed>) = 0 [pid 400] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 400] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 401] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 4 [pid 401] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 400] <... futex resumed>) = 0 [pid 400] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 400] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 401] ioctl(4, SIOCGIFINDEX, {ifr_name="vlan0"}) = -1 ENODEV (No such device) [pid 401] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 400] <... futex resumed>) = 0 [pid 400] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 400] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 401] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWCGROUP|CLONE_NEWPID|CLONE_NEWNET) = 0 [pid 401] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 400] <... futex resumed>) = 0 [pid 400] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 400] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 401] <... futex resumed>) = 1 [pid 401] gettid() = 43 [pid 401] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 400] <... futex resumed>) = 0 [pid 400] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 400] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 401] <... futex resumed>) = 1 [pid 401] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x2b\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 40 [pid 401] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 400] <... futex resumed>) = 0 [pid 400] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 400] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 401] <... futex resumed>) = 1 [pid 401] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x2b\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 40 [pid 401] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 400] <... futex resumed>) = 0 [pid 400] close(3) = 0 [pid 400] close(4) = 0 [pid 400] close(5) = -1 EBADF (Bad file descriptor) [pid 400] close(6) = -1 EBADF (Bad file descriptor) [pid 400] close(7) = -1 EBADF (Bad file descriptor) [pid 400] close(8) = -1 EBADF (Bad file descriptor) [pid 400] close(9) = -1 EBADF (Bad file descriptor) [pid 400] close(10) = -1 EBADF (Bad file descriptor) [pid 400] close(11) = -1 EBADF (Bad file descriptor) [pid 400] close(12) = -1 EBADF (Bad file descriptor) [pid 400] close(13) = -1 EBADF (Bad file descriptor) [pid 400] close(14) = -1 EBADF (Bad file descriptor) [pid 400] close(15) = -1 EBADF (Bad file descriptor) [pid 400] close(16) = -1 EBADF (Bad file descriptor) [pid 400] close(17) = -1 EBADF (Bad file descriptor) [pid 400] close(18) = -1 EBADF (Bad file descriptor) [pid 400] close(19) = -1 EBADF (Bad file descriptor) [pid 400] close(20) = -1 EBADF (Bad file descriptor) [pid 400] close(21) = -1 EBADF (Bad file descriptor) [pid 400] close(22) = -1 EBADF (Bad file descriptor) [pid 400] close(23) = -1 EBADF (Bad file descriptor) [pid 400] close(24) = -1 EBADF (Bad file descriptor) [pid 400] close(25) = -1 EBADF (Bad file descriptor) [pid 400] close(26) = -1 EBADF (Bad file descriptor) [pid 400] close(27) = -1 EBADF (Bad file descriptor) [pid 400] close(28) = -1 EBADF (Bad file descriptor) [pid 400] close(29) = -1 EBADF (Bad file descriptor) [pid 400] exit_group(0) = ? [pid 401] <... futex resumed>) = ? [pid 401] +++ exited with 0 +++ [pid 400] +++ exited with 0 +++ [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=42, si_uid=0, si_status=0, si_utime=5, si_stime=11} --- [pid 310] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 310] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 310] ioctl(3, LOOP_CLR_FD) = 0 [pid 310] close(3executing program ) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555585fe7690) = 44 ./strace-static-x86_64: Process 402 attached [pid 402] set_robust_list(0x555585fe76a0, 24) = 0 [pid 402] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 402] setpgid(0, 0) = 0 [pid 402] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 402] write(3, "1000", 4) = 4 [pid 402] close(3) = 0 [pid 402] write(1, "executing program\n", 18) = 18 [pid 402] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 402] rt_sigaction(SIGRT_1, {sa_handler=0x7f7e761dd510, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7e761cebc0}, NULL, 8) = 0 [pid 402] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 402] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7e7614e000 [pid 402] mprotect(0x7f7e7614f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 402] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 402] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7e7616e990, parent_tid=0x7f7e7616e990, exit_signal=0, stack=0x7f7e7614e000, stack_size=0x20300, tls=0x7f7e7616e6c0} => {parent_tid=[45]}, 88) = 45 [pid 402] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 402] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 402] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 403 attached [pid 403] set_robust_list(0x7f7e7616e9a0, 24) = 0 [pid 403] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 403] memfd_create("syzkaller", 0) = 3 [pid 403] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7e6dd4e000 [pid 403] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119) = 20699119 [pid 403] munmap(0x7f7e6dd4e000, 138412032) = 0 [pid 403] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 403] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 403] ioctl(4, LOOP_CLR_FD) = 0 [pid 403] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 403] close(4) = 0 [pid 403] close(3) = 0 [pid 403] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 402] <... futex resumed>) = 0 [pid 402] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 402] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 403] <... futex resumed>) = 1 [pid 403] bind(-1, NULL, 0) = -1 EBADF (Bad file descriptor) [pid 403] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 402] <... futex resumed>) = 0 [pid 402] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000 [pid 403] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 402] <... futex resumed>) = 0 [pid 403] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 402] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 403] <... futex resumed>) = 0 [pid 403] futex(0x7f7e76242728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 402] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 402] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 402] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 403] <... futex resumed>) = 0 [pid 403] ioctl(3, SIOCGIFINDEX, {ifr_name="veth0_vlan"}) = -1 ENODEV (No such device) [pid 403] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 402] <... futex resumed>) = 0 [pid 402] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 402] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 403] <... futex resumed>) = 1 [pid 403] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 4 [pid 403] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 402] <... futex resumed>) = 0 [pid 402] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 402] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 403] <... futex resumed>) = 1 [pid 403] ioctl(4, SIOCGIFINDEX, {ifr_name="vlan0"}) = -1 ENODEV (No such device) [pid 403] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 402] <... futex resumed>) = 0 [pid 402] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 402] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 403] <... futex resumed>) = 1 [pid 403] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWCGROUP|CLONE_NEWPID|CLONE_NEWNET) = 0 [pid 403] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 402] <... futex resumed>) = 0 [pid 402] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 402] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 403] <... futex resumed>) = 1 [pid 403] gettid() = 45 [pid 403] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 402] <... futex resumed>) = 0 [pid 402] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 402] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 403] <... futex resumed>) = 1 [pid 403] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x2d\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 40 [pid 403] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 402] <... futex resumed>) = 0 [pid 403] <... futex resumed>) = 1 [pid 403] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x2d\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 402] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 402] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 403] <... sendmsg resumed>) = 40 [pid 403] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 402] <... futex resumed>) = 0 [pid 403] <... futex resumed>) = 1 [pid 402] close(3 [pid 403] futex(0x7f7e76242728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 402] <... close resumed>) = 0 [pid 402] close(4) = 0 [pid 402] close(5) = -1 EBADF (Bad file descriptor) [pid 402] close(6) = -1 EBADF (Bad file descriptor) [pid 402] close(7) = -1 EBADF (Bad file descriptor) [pid 402] close(8) = -1 EBADF (Bad file descriptor) [pid 402] close(9) = -1 EBADF (Bad file descriptor) [pid 402] close(10) = -1 EBADF (Bad file descriptor) [pid 402] close(11) = -1 EBADF (Bad file descriptor) [pid 402] close(12) = -1 EBADF (Bad file descriptor) [pid 402] close(13) = -1 EBADF (Bad file descriptor) [pid 402] close(14) = -1 EBADF (Bad file descriptor) [pid 402] close(15) = -1 EBADF (Bad file descriptor) [pid 402] close(16) = -1 EBADF (Bad file descriptor) [pid 402] close(17) = -1 EBADF (Bad file descriptor) [pid 402] close(18) = -1 EBADF (Bad file descriptor) [pid 402] close(19) = -1 EBADF (Bad file descriptor) [pid 402] close(20) = -1 EBADF (Bad file descriptor) [pid 402] close(21) = -1 EBADF (Bad file descriptor) [pid 402] close(22) = -1 EBADF (Bad file descriptor) [pid 402] close(23) = -1 EBADF (Bad file descriptor) [pid 402] close(24) = -1 EBADF (Bad file descriptor) [pid 402] close(25) = -1 EBADF (Bad file descriptor) [pid 402] close(26) = -1 EBADF (Bad file descriptor) [pid 402] close(27) = -1 EBADF (Bad file descriptor) [pid 402] close(28) = -1 EBADF (Bad file descriptor) [pid 402] close(29) = -1 EBADF (Bad file descriptor) [pid 402] exit_group(0) = ? [pid 403] <... futex resumed>) = ? [pid 403] +++ exited with 0 +++ [pid 402] +++ exited with 0 +++ [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=44, si_uid=0, si_status=0, si_utime=3, si_stime=8} --- [pid 310] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 310] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 310] ioctl(3, LOOP_CLR_FD) = 0 [pid 310] close(3) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555585fe7690) = 46 ./strace-static-x86_64: Process 405 attached [pid 405] set_robust_list(0x555585fe76a0, 24) = 0 [pid 405] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 405] setpgid(0, 0) = 0 [pid 405] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 405] write(3, "1000", 4) = 4 [pid 405] close(3) = 0 [pid 405] write(1, "executing program\n", 18executing program ) = 18 [pid 405] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 405] rt_sigaction(SIGRT_1, {sa_handler=0x7f7e761dd510, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7e761cebc0}, NULL, 8) = 0 [pid 405] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 405] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7e7614e000 [pid 405] mprotect(0x7f7e7614f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 405] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 405] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7e7616e990, parent_tid=0x7f7e7616e990, exit_signal=0, stack=0x7f7e7614e000, stack_size=0x20300, tls=0x7f7e7616e6c0} => {parent_tid=[47]}, 88) = 47 [pid 405] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 405] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 405] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 406 attached [pid 406] set_robust_list(0x7f7e7616e9a0, 24) = 0 [pid 406] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 406] memfd_create("syzkaller", 0) = 3 [pid 406] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7e6dd4e000 [pid 406] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119) = 20699119 [pid 406] munmap(0x7f7e6dd4e000, 138412032) = 0 [pid 406] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 406] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 406] ioctl(4, LOOP_CLR_FD) = 0 [pid 406] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 406] close(4) = 0 [pid 406] close(3) = 0 [pid 406] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 405] <... futex resumed>) = 0 [pid 405] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 405] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 406] <... futex resumed>) = 1 [pid 406] bind(-1, NULL, 0) = -1 EBADF (Bad file descriptor) [pid 406] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 405] <... futex resumed>) = 0 [pid 405] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 405] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 406] <... futex resumed>) = 1 [pid 406] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 406] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 405] <... futex resumed>) = 0 [pid 405] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 405] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 406] <... futex resumed>) = 1 [pid 406] ioctl(3, SIOCGIFINDEX, {ifr_name="veth0_vlan"}) = -1 ENODEV (No such device) [pid 406] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 405] <... futex resumed>) = 0 [pid 405] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 405] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 406] <... futex resumed>) = 1 [pid 406] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 4 [pid 406] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 405] <... futex resumed>) = 0 [pid 405] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 405] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 406] <... futex resumed>) = 1 [pid 406] ioctl(4, SIOCGIFINDEX, {ifr_name="vlan0"}) = -1 ENODEV (No such device) [pid 406] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 405] <... futex resumed>) = 0 [pid 406] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWCGROUP|CLONE_NEWPID|CLONE_NEWNET [pid 405] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 405] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 406] <... unshare resumed>) = 0 [pid 406] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 406] futex(0x7f7e76242728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 405] <... futex resumed>) = 0 [pid 405] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 405] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 406] <... futex resumed>) = 0 [pid 406] gettid() = 47 [pid 406] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 405] <... futex resumed>) = 0 [pid 405] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 405] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 406] <... futex resumed>) = 1 [pid 406] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x2f\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 40 [pid 406] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 405] <... futex resumed>) = 0 [pid 405] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 405] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 406] <... futex resumed>) = 1 [pid 406] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x2f\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 40 [pid 406] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 405] <... futex resumed>) = 0 [pid 405] close(3) = 0 [pid 405] close(4) = 0 [pid 405] close(5) = -1 EBADF (Bad file descriptor) [pid 405] close(6) = -1 EBADF (Bad file descriptor) [pid 405] close(7) = -1 EBADF (Bad file descriptor) [pid 405] close(8) = -1 EBADF (Bad file descriptor) [pid 405] close(9) = -1 EBADF (Bad file descriptor) [pid 405] close(10) = -1 EBADF (Bad file descriptor) [pid 405] close(11) = -1 EBADF (Bad file descriptor) [pid 405] close(12) = -1 EBADF (Bad file descriptor) [pid 405] close(13) = -1 EBADF (Bad file descriptor) [pid 405] close(14) = -1 EBADF (Bad file descriptor) [pid 405] close(15) = -1 EBADF (Bad file descriptor) [pid 405] close(16) = -1 EBADF (Bad file descriptor) [pid 405] close(17) = -1 EBADF (Bad file descriptor) [pid 405] close(18) = -1 EBADF (Bad file descriptor) [pid 405] close(19) = -1 EBADF (Bad file descriptor) [pid 405] close(20) = -1 EBADF (Bad file descriptor) [pid 405] close(21) = -1 EBADF (Bad file descriptor) [pid 405] close(22) = -1 EBADF (Bad file descriptor) [pid 405] close(23) = -1 EBADF (Bad file descriptor) [pid 405] close(24) = -1 EBADF (Bad file descriptor) [pid 405] close(25) = -1 EBADF (Bad file descriptor) [pid 405] close(26) = -1 EBADF (Bad file descriptor) [pid 405] close(27) = -1 EBADF (Bad file descriptor) [pid 405] close(28) = -1 EBADF (Bad file descriptor) [pid 405] close(29) = -1 EBADF (Bad file descriptor) [pid 405] exit_group(0 [pid 406] <... futex resumed>) = ? [pid 405] <... exit_group resumed>) = ? [pid 406] +++ exited with 0 +++ [pid 405] +++ exited with 0 +++ [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=46, si_uid=0, si_status=0, si_utime=5, si_stime=9} --- [pid 310] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 310] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 310] ioctl(3, LOOP_CLR_FD) = 0 executing program [pid 310] close(3) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555585fe7690) = 48 ./strace-static-x86_64: Process 407 attached [pid 407] set_robust_list(0x555585fe76a0, 24) = 0 [pid 407] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 407] setpgid(0, 0) = 0 [pid 407] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 407] write(3, "1000", 4) = 4 [pid 407] close(3) = 0 [pid 407] write(1, "executing program\n", 18) = 18 [pid 407] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 407] rt_sigaction(SIGRT_1, {sa_handler=0x7f7e761dd510, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7e761cebc0}, NULL, 8) = 0 [pid 407] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 407] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7e7614e000 [pid 407] mprotect(0x7f7e7614f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 407] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 407] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7e7616e990, parent_tid=0x7f7e7616e990, exit_signal=0, stack=0x7f7e7614e000, stack_size=0x20300, tls=0x7f7e7616e6c0} => {parent_tid=[49]}, 88) = 49 [pid 407] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 407] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 407] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 408 attached [pid 408] set_robust_list(0x7f7e7616e9a0, 24) = 0 [pid 408] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 408] memfd_create("syzkaller", 0) = 3 [pid 408] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7e6dd4e000 [pid 408] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119) = 20699119 [pid 408] munmap(0x7f7e6dd4e000, 138412032) = 0 [pid 408] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 408] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 408] ioctl(4, LOOP_CLR_FD) = 0 [pid 408] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 408] close(4) = 0 [pid 408] close(3) = 0 [pid 408] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 408] futex(0x7f7e76242728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 407] <... futex resumed>) = 0 [pid 407] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 407] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 408] <... futex resumed>) = 0 [pid 408] bind(-1, NULL, 0) = -1 EBADF (Bad file descriptor) [pid 408] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 407] <... futex resumed>) = 0 [pid 407] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 407] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 408] <... futex resumed>) = 1 [pid 408] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 408] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 407] <... futex resumed>) = 0 [pid 407] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 407] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 408] <... futex resumed>) = 1 [pid 408] ioctl(3, SIOCGIFINDEX, {ifr_name="veth0_vlan"}) = -1 ENODEV (No such device) [pid 408] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 407] <... futex resumed>) = 0 [pid 407] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 407] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 408] <... futex resumed>) = 1 [pid 408] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 4 [pid 408] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 407] <... futex resumed>) = 0 [pid 407] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 407] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 408] <... futex resumed>) = 1 [pid 408] ioctl(4, SIOCGIFINDEX, {ifr_name="vlan0"}) = -1 ENODEV (No such device) [pid 408] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 407] <... futex resumed>) = 0 [pid 407] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 407] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 408] <... futex resumed>) = 1 [pid 408] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWCGROUP|CLONE_NEWPID|CLONE_NEWNET) = 0 [pid 408] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 407] <... futex resumed>) = 0 [pid 407] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 407] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 408] gettid() = 49 [pid 408] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 407] <... futex resumed>) = 0 [pid 407] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 407] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 408] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x31\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 40 [pid 408] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 407] <... futex resumed>) = 0 [pid 407] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 407] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 408] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x31\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 40 [pid 408] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 407] <... futex resumed>) = 0 [pid 407] close(3) = 0 [pid 408] <... futex resumed>) = 1 [pid 407] close(4) = 0 [pid 407] close(5) = -1 EBADF (Bad file descriptor) [pid 407] close(6) = -1 EBADF (Bad file descriptor) [pid 407] close(7) = -1 EBADF (Bad file descriptor) [pid 407] close(8) = -1 EBADF (Bad file descriptor) [pid 407] close(9) = -1 EBADF (Bad file descriptor) [pid 407] close(10) = -1 EBADF (Bad file descriptor) [pid 407] close(11) = -1 EBADF (Bad file descriptor) [pid 407] close(12) = -1 EBADF (Bad file descriptor) [pid 407] close(13) = -1 EBADF (Bad file descriptor) [pid 407] close(14) = -1 EBADF (Bad file descriptor) [pid 407] close(15) = -1 EBADF (Bad file descriptor) [pid 407] close(16) = -1 EBADF (Bad file descriptor) [pid 407] close(17) = -1 EBADF (Bad file descriptor) [pid 407] close(18) = -1 EBADF (Bad file descriptor) [pid 407] close(19) = -1 EBADF (Bad file descriptor) [pid 407] close(20) = -1 EBADF (Bad file descriptor) [pid 407] close(21) = -1 EBADF (Bad file descriptor) [pid 407] close(22) = -1 EBADF (Bad file descriptor) [pid 407] close(23) = -1 EBADF (Bad file descriptor) [pid 407] close(24) = -1 EBADF (Bad file descriptor) [pid 407] close(25 [pid 408] futex(0x7f7e76242728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 407] close(26) = -1 EBADF (Bad file descriptor) [pid 407] close(27) = -1 EBADF (Bad file descriptor) [pid 407] close(28) = -1 EBADF (Bad file descriptor) [pid 407] close(29) = -1 EBADF (Bad file descriptor) [pid 407] exit_group(0) = ? [pid 408] <... futex resumed>) = ? [pid 408] +++ exited with 0 +++ [pid 407] +++ exited with 0 +++ [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=48, si_uid=0, si_status=0, si_utime=5, si_stime=9} --- [pid 310] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 310] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 310] ioctl(3, LOOP_CLR_FD) = 0 [pid 310] close(3) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 409 attached , child_tidptr=0x555585fe7690) = 50 [pid 409] set_robust_list(0x555585fe76a0, 24) = 0 [pid 409] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 409] setpgid(0, 0) = 0 [pid 409] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 409] write(3, "1000", 4) = 4 [pid 409] close(3) = 0 [pid 409] write(1, "executing program\n", 18executing program ) = 18 [pid 409] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 409] rt_sigaction(SIGRT_1, {sa_handler=0x7f7e761dd510, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7e761cebc0}, NULL, 8) = 0 [pid 409] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 409] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7e7614e000 [pid 409] mprotect(0x7f7e7614f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 409] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 409] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7e7616e990, parent_tid=0x7f7e7616e990, exit_signal=0, stack=0x7f7e7614e000, stack_size=0x20300, tls=0x7f7e7616e6c0} => {parent_tid=[51]}, 88) = 51 [pid 409] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 409] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 410 attached [pid 409] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 410] set_robust_list(0x7f7e7616e9a0, 24) = 0 [pid 410] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 410] memfd_create("syzkaller", 0) = 3 [pid 410] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7e6dd4e000 [pid 410] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119) = 20699119 [pid 410] munmap(0x7f7e6dd4e000, 138412032) = 0 [pid 410] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 410] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 410] ioctl(4, LOOP_CLR_FD) = 0 [pid 410] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 410] close(4) = 0 [pid 410] close(3) = 0 [pid 410] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 410] futex(0x7f7e76242728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 409] <... futex resumed>) = 0 [pid 409] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 409] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 410] <... futex resumed>) = 0 [pid 410] bind(-1, NULL, 0) = -1 EBADF (Bad file descriptor) [pid 410] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 409] <... futex resumed>) = 0 [pid 409] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 409] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 410] <... futex resumed>) = 1 [pid 410] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 410] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 409] <... futex resumed>) = 0 [pid 409] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 409] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 410] <... futex resumed>) = 1 [pid 410] ioctl(3, SIOCGIFINDEX, {ifr_name="veth0_vlan"}) = -1 ENODEV (No such device) [pid 410] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 409] <... futex resumed>) = 0 [pid 409] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 409] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 410] <... futex resumed>) = 1 [pid 410] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 4 [pid 410] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 409] <... futex resumed>) = 0 [pid 409] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 409] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 410] <... futex resumed>) = 1 [pid 410] ioctl(4, SIOCGIFINDEX, {ifr_name="vlan0"}) = -1 ENODEV (No such device) [pid 410] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 409] <... futex resumed>) = 0 [pid 409] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 409] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 410] <... futex resumed>) = 1 [pid 410] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWCGROUP|CLONE_NEWPID|CLONE_NEWNET) = 0 [pid 410] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 409] <... futex resumed>) = 0 [pid 410] gettid( [pid 409] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000 [pid 410] <... gettid resumed>) = 51 [pid 409] <... futex resumed>) = 0 [pid 410] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 409] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 410] <... futex resumed>) = 0 [pid 409] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 409] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000 [pid 410] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x33\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 409] <... futex resumed>) = 0 [pid 409] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 410] <... sendmsg resumed>) = 40 [pid 410] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 409] <... futex resumed>) = 0 [pid 410] <... futex resumed>) = 1 [pid 409] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 410] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x33\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 409] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 410] <... sendmsg resumed>) = 40 [pid 410] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 409] <... futex resumed>) = 0 [pid 410] futex(0x7f7e76242728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 409] close(3) = 0 [pid 409] close(4) = 0 [pid 409] close(5) = -1 EBADF (Bad file descriptor) [pid 409] close(6) = -1 EBADF (Bad file descriptor) [pid 409] close(7) = -1 EBADF (Bad file descriptor) [pid 409] close(8) = -1 EBADF (Bad file descriptor) [pid 409] close(9) = -1 EBADF (Bad file descriptor) [pid 409] close(10) = -1 EBADF (Bad file descriptor) [pid 409] close(11) = -1 EBADF (Bad file descriptor) [pid 409] close(12) = -1 EBADF (Bad file descriptor) [pid 409] close(13) = -1 EBADF (Bad file descriptor) [pid 409] close(14) = -1 EBADF (Bad file descriptor) [pid 409] close(15) = -1 EBADF (Bad file descriptor) [pid 409] close(16) = -1 EBADF (Bad file descriptor) [pid 409] close(17) = -1 EBADF (Bad file descriptor) [pid 409] close(18) = -1 EBADF (Bad file descriptor) [pid 409] close(19) = -1 EBADF (Bad file descriptor) [pid 409] close(20) = -1 EBADF (Bad file descriptor) [pid 409] close(21) = -1 EBADF (Bad file descriptor) [pid 409] close(22) = -1 EBADF (Bad file descriptor) [pid 409] close(23) = -1 EBADF (Bad file descriptor) [pid 409] close(24) = -1 EBADF (Bad file descriptor) [pid 409] close(25) = -1 EBADF (Bad file descriptor) [pid 409] close(26) = -1 EBADF (Bad file descriptor) [pid 409] close(27) = -1 EBADF (Bad file descriptor) [pid 409] close(28) = -1 EBADF (Bad file descriptor) [pid 409] close(29) = -1 EBADF (Bad file descriptor) [pid 409] exit_group(0) = ? [pid 410] <... futex resumed>) = ? [pid 410] +++ exited with 0 +++ [pid 409] +++ exited with 0 +++ [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=50, si_uid=0, si_status=0, si_utime=5, si_stime=10} --- [pid 310] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 310] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 310] ioctl(3, LOOP_CLR_FD) = 0 [pid 310] close(3) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555585fe7690) = 52 ./strace-static-x86_64: Process 411 attached [pid 411] set_robust_list(0x555585fe76a0, 24) = 0 [pid 411] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 411] setpgid(0, 0) = 0 [pid 411] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 411] write(3, "1000", 4) = 4 [pid 411] close(3) = 0 [pid 411] write(1, "executing program\n", 18executing program ) = 18 [pid 411] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 411] rt_sigaction(SIGRT_1, {sa_handler=0x7f7e761dd510, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7e761cebc0}, NULL, 8) = 0 [pid 411] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 411] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7e7614e000 [pid 411] mprotect(0x7f7e7614f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 411] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 411] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7e7616e990, parent_tid=0x7f7e7616e990, exit_signal=0, stack=0x7f7e7614e000, stack_size=0x20300, tls=0x7f7e7616e6c0}./strace-static-x86_64: Process 412 attached [pid 412] set_robust_list(0x7f7e7616e9a0, 24 [pid 411] <... clone3 resumed> => {parent_tid=[53]}, 88) = 53 [pid 412] <... set_robust_list resumed>) = 0 [pid 412] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 412] futex(0x7f7e76242728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 411] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 411] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 412] <... futex resumed>) = 0 [pid 412] memfd_create("syzkaller", 0) = 3 [pid 412] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7e6dd4e000 [pid 411] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 412] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119) = 20699119 [pid 412] munmap(0x7f7e6dd4e000, 138412032) = 0 [pid 412] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 412] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 412] ioctl(4, LOOP_CLR_FD) = 0 [pid 412] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 412] close(4) = 0 [pid 412] close(3) = 0 [pid 412] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 411] <... futex resumed>) = 0 [pid 411] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 411] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 412] <... futex resumed>) = 1 [pid 412] bind(-1, NULL, 0) = -1 EBADF (Bad file descriptor) [pid 412] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 411] <... futex resumed>) = 0 [pid 411] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 411] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 412] <... futex resumed>) = 1 [pid 412] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 412] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 411] <... futex resumed>) = 0 [pid 411] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 411] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 412] <... futex resumed>) = 1 [pid 412] ioctl(3, SIOCGIFINDEX, {ifr_name="veth0_vlan"}) = -1 ENODEV (No such device) [pid 412] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 411] <... futex resumed>) = 0 [pid 411] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 411] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 412] <... futex resumed>) = 1 [pid 412] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 4 [pid 412] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 411] <... futex resumed>) = 0 [pid 411] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 411] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 412] <... futex resumed>) = 1 [pid 412] ioctl(4, SIOCGIFINDEX, {ifr_name="vlan0"}) = -1 ENODEV (No such device) [pid 412] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 411] <... futex resumed>) = 0 [pid 411] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 411] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 412] <... futex resumed>) = 1 [pid 412] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWCGROUP|CLONE_NEWPID|CLONE_NEWNET) = 0 [pid 412] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 411] <... futex resumed>) = 0 [pid 411] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 411] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 412] <... futex resumed>) = 1 [pid 412] gettid() = 53 [pid 412] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 411] <... futex resumed>) = 0 [pid 411] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 411] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 412] <... futex resumed>) = 1 [pid 412] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x35\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 40 [pid 412] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 411] <... futex resumed>) = 0 [pid 411] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 411] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 412] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x35\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 40 [pid 412] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 411] <... futex resumed>) = 0 [pid 412] futex(0x7f7e76242728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 411] close(3) = 0 [pid 411] close(4) = 0 [pid 411] close(5) = -1 EBADF (Bad file descriptor) [pid 411] close(6) = -1 EBADF (Bad file descriptor) [pid 411] close(7) = -1 EBADF (Bad file descriptor) [pid 411] close(8) = -1 EBADF (Bad file descriptor) [pid 411] close(9) = -1 EBADF (Bad file descriptor) [pid 411] close(10) = -1 EBADF (Bad file descriptor) [pid 411] close(11) = -1 EBADF (Bad file descriptor) [pid 411] close(12) = -1 EBADF (Bad file descriptor) [pid 411] close(13) = -1 EBADF (Bad file descriptor) [pid 411] close(14) = -1 EBADF (Bad file descriptor) [pid 411] close(15) = -1 EBADF (Bad file descriptor) [pid 411] close(16) = -1 EBADF (Bad file descriptor) [pid 411] close(17) = -1 EBADF (Bad file descriptor) [pid 411] close(18) = -1 EBADF (Bad file descriptor) [pid 411] close(19) = -1 EBADF (Bad file descriptor) [pid 411] close(20) = -1 EBADF (Bad file descriptor) [pid 411] close(21) = -1 EBADF (Bad file descriptor) [pid 411] close(22) = -1 EBADF (Bad file descriptor) [pid 411] close(23) = -1 EBADF (Bad file descriptor) [pid 411] close(24) = -1 EBADF (Bad file descriptor) [pid 411] close(25) = -1 EBADF (Bad file descriptor) [pid 411] close(26) = -1 EBADF (Bad file descriptor) [pid 411] close(27) = -1 EBADF (Bad file descriptor) [pid 411] close(28) = -1 EBADF (Bad file descriptor) [pid 411] close(29) = -1 EBADF (Bad file descriptor) [pid 411] exit_group(0 [pid 412] <... futex resumed>) = ? [pid 411] <... exit_group resumed>) = ? [pid 412] +++ exited with 0 +++ [pid 411] +++ exited with 0 +++ [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=52, si_uid=0, si_status=0, si_utime=2, si_stime=12} --- [pid 310] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 310] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 310] ioctl(3, LOOP_CLR_FD) = 0 [pid 310] close(3) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555585fe7690) = 54 ./strace-static-x86_64: Process 413 attached [pid 413] set_robust_list(0x555585fe76a0, 24) = 0 [pid 413] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 413] setpgid(0, 0) = 0 [pid 413] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 413] write(3, "1000", 4) = 4 [pid 413] close(3) = 0 [pid 413] write(1, "executing program\n", 18executing program ) = 18 [pid 413] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 413] rt_sigaction(SIGRT_1, {sa_handler=0x7f7e761dd510, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7e761cebc0}, NULL, 8) = 0 [pid 413] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 413] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7e7614e000 [pid 413] mprotect(0x7f7e7614f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 413] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 413] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7e7616e990, parent_tid=0x7f7e7616e990, exit_signal=0, stack=0x7f7e7614e000, stack_size=0x20300, tls=0x7f7e7616e6c0} => {parent_tid=[55]}, 88) = 55 [pid 413] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 413] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 413] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 414 attached [pid 414] set_robust_list(0x7f7e7616e9a0, 24) = 0 [pid 414] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 414] memfd_create("syzkaller", 0) = 3 [pid 414] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7e6dd4e000 [pid 414] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119) = 20699119 [pid 414] munmap(0x7f7e6dd4e000, 138412032) = 0 [pid 414] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 414] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 414] ioctl(4, LOOP_CLR_FD) = 0 [pid 414] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 414] close(4) = 0 [pid 414] close(3) = 0 [pid 414] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 413] <... futex resumed>) = 0 [pid 413] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 413] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 414] <... futex resumed>) = 1 [pid 414] bind(-1, NULL, 0) = -1 EBADF (Bad file descriptor) [pid 414] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 413] <... futex resumed>) = 0 [pid 413] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 413] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 414] <... futex resumed>) = 1 [pid 414] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 414] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 413] <... futex resumed>) = 0 [pid 413] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 413] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 414] <... futex resumed>) = 1 [pid 414] ioctl(3, SIOCGIFINDEX, {ifr_name="veth0_vlan"}) = -1 ENODEV (No such device) [pid 414] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 413] <... futex resumed>) = 0 [pid 413] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 413] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 414] <... futex resumed>) = 1 [pid 414] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 4 [pid 414] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 413] <... futex resumed>) = 0 [pid 413] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 413] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 414] <... futex resumed>) = 1 [pid 414] ioctl(4, SIOCGIFINDEX, {ifr_name="vlan0"}) = -1 ENODEV (No such device) [pid 414] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 413] <... futex resumed>) = 0 [pid 413] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 413] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 414] <... futex resumed>) = 1 [pid 414] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWCGROUP|CLONE_NEWPID|CLONE_NEWNET) = 0 [pid 414] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 414] futex(0x7f7e76242728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 413] <... futex resumed>) = 0 [pid 413] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 413] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 414] <... futex resumed>) = 0 [pid 414] gettid() = 55 [pid 414] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 413] <... futex resumed>) = 0 [pid 413] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 413] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 414] <... futex resumed>) = 1 [pid 414] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x37\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 40 [pid 414] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 413] <... futex resumed>) = 0 [pid 414] <... futex resumed>) = 1 [pid 413] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000 [pid 414] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x37\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 413] <... futex resumed>) = 0 [pid 413] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 414] <... sendmsg resumed>) = 40 [pid 414] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 413] <... futex resumed>) = 0 [pid 413] close(3) = 0 [pid 413] close(4) = 0 [pid 413] close(5) = -1 EBADF (Bad file descriptor) [pid 413] close(6) = -1 EBADF (Bad file descriptor) [pid 413] close(7) = -1 EBADF (Bad file descriptor) [pid 413] close(8) = -1 EBADF (Bad file descriptor) [pid 413] close(9) = -1 EBADF (Bad file descriptor) [pid 413] close(10) = -1 EBADF (Bad file descriptor) [pid 413] close(11) = -1 EBADF (Bad file descriptor) [pid 413] close(12) = -1 EBADF (Bad file descriptor) [pid 413] close(13) = -1 EBADF (Bad file descriptor) [pid 413] close(14) = -1 EBADF (Bad file descriptor) [pid 413] close(15) = -1 EBADF (Bad file descriptor) [pid 413] close(16) = -1 EBADF (Bad file descriptor) [pid 413] close(17) = -1 EBADF (Bad file descriptor) [pid 413] close(18) = -1 EBADF (Bad file descriptor) [pid 413] close(19) = -1 EBADF (Bad file descriptor) [pid 413] close(20) = -1 EBADF (Bad file descriptor) [pid 413] close(21) = -1 EBADF (Bad file descriptor) [pid 413] close(22) = -1 EBADF (Bad file descriptor) [pid 413] close(23) = -1 EBADF (Bad file descriptor) [pid 413] close(24) = -1 EBADF (Bad file descriptor) [pid 413] close(25) = -1 EBADF (Bad file descriptor) [pid 413] close(26) = -1 EBADF (Bad file descriptor) [pid 413] close(27) = -1 EBADF (Bad file descriptor) [pid 413] close(28) = -1 EBADF (Bad file descriptor) [pid 413] close(29) = -1 EBADF (Bad file descriptor) [pid 413] exit_group(0) = ? [pid 414] <... futex resumed>) = ? [pid 414] +++ exited with 0 +++ [pid 413] +++ exited with 0 +++ [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=54, si_uid=0, si_status=0, si_utime=5, si_stime=8} --- [pid 310] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 310] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 310] ioctl(3, LOOP_CLR_FD) = 0 [pid 310] close(3executing program ) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555585fe7690) = 56 ./strace-static-x86_64: Process 415 attached [pid 415] set_robust_list(0x555585fe76a0, 24) = 0 [pid 415] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 415] setpgid(0, 0) = 0 [pid 415] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 415] write(3, "1000", 4) = 4 [pid 415] close(3) = 0 [pid 415] write(1, "executing program\n", 18) = 18 [pid 415] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 415] rt_sigaction(SIGRT_1, {sa_handler=0x7f7e761dd510, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7e761cebc0}, NULL, 8) = 0 [pid 415] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 415] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7e7614e000 [pid 415] mprotect(0x7f7e7614f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 415] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 415] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7e7616e990, parent_tid=0x7f7e7616e990, exit_signal=0, stack=0x7f7e7614e000, stack_size=0x20300, tls=0x7f7e7616e6c0} => {parent_tid=[57]}, 88) = 57 [pid 415] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 415] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 415] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 416 attached [pid 416] set_robust_list(0x7f7e7616e9a0, 24) = 0 [pid 416] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 416] memfd_create("syzkaller", 0) = 3 [pid 416] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7e6dd4e000 [pid 416] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119) = 20699119 [pid 416] munmap(0x7f7e6dd4e000, 138412032) = 0 [pid 416] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 416] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 416] ioctl(4, LOOP_CLR_FD) = 0 [pid 416] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 416] close(4) = 0 [pid 416] close(3) = 0 [pid 416] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 415] <... futex resumed>) = 0 [pid 415] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 415] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 416] <... futex resumed>) = 1 [pid 416] bind(-1, NULL, 0) = -1 EBADF (Bad file descriptor) [pid 416] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 415] <... futex resumed>) = 0 [pid 416] <... futex resumed>) = 1 [pid 415] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000 [pid 416] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 415] <... futex resumed>) = 0 [pid 415] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 416] <... socket resumed>) = 3 [pid 416] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 415] <... futex resumed>) = 0 [pid 416] ioctl(3, SIOCGIFINDEX, {ifr_name="veth0_vlan" [pid 415] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 415] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 416] <... ioctl resumed>}) = -1 ENODEV (No such device) [pid 416] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 415] <... futex resumed>) = 0 [pid 416] futex(0x7f7e76242728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 415] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 415] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 416] <... futex resumed>) = 0 [pid 416] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 4 [pid 416] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 415] <... futex resumed>) = 0 [pid 415] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 415] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 416] <... futex resumed>) = 1 [pid 416] ioctl(4, SIOCGIFINDEX, {ifr_name="vlan0"}) = -1 ENODEV (No such device) [pid 416] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 415] <... futex resumed>) = 0 [pid 415] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 415] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 416] <... futex resumed>) = 1 [pid 416] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWCGROUP|CLONE_NEWPID|CLONE_NEWNET) = 0 [pid 416] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 416] futex(0x7f7e76242728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 415] <... futex resumed>) = 0 [pid 415] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 415] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 416] <... futex resumed>) = 0 [pid 416] gettid() = 57 [pid 416] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 415] <... futex resumed>) = 0 [pid 415] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000 [pid 416] <... futex resumed>) = 1 [pid 415] <... futex resumed>) = 0 [pid 415] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 416] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x39\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 40 [pid 416] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 415] <... futex resumed>) = 0 [pid 416] <... futex resumed>) = 1 [pid 415] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 415] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 416] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x39\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 40 [pid 416] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 415] <... futex resumed>) = 0 [pid 416] futex(0x7f7e76242728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 415] close(3) = 0 [pid 415] close(4) = 0 [pid 415] close(5) = -1 EBADF (Bad file descriptor) [pid 415] close(6) = -1 EBADF (Bad file descriptor) [pid 415] close(7) = -1 EBADF (Bad file descriptor) [pid 415] close(8) = -1 EBADF (Bad file descriptor) [pid 415] close(9) = -1 EBADF (Bad file descriptor) [pid 415] close(10) = -1 EBADF (Bad file descriptor) [pid 415] close(11) = -1 EBADF (Bad file descriptor) [pid 415] close(12) = -1 EBADF (Bad file descriptor) [pid 415] close(13) = -1 EBADF (Bad file descriptor) [pid 415] close(14) = -1 EBADF (Bad file descriptor) [pid 415] close(15) = -1 EBADF (Bad file descriptor) [pid 415] close(16) = -1 EBADF (Bad file descriptor) [pid 415] close(17) = -1 EBADF (Bad file descriptor) [pid 415] close(18) = -1 EBADF (Bad file descriptor) [pid 415] close(19) = -1 EBADF (Bad file descriptor) [pid 415] close(20) = -1 EBADF (Bad file descriptor) [pid 415] close(21) = -1 EBADF (Bad file descriptor) [pid 415] close(22) = -1 EBADF (Bad file descriptor) [pid 415] close(23) = -1 EBADF (Bad file descriptor) [pid 415] close(24) = -1 EBADF (Bad file descriptor) [pid 415] close(25) = -1 EBADF (Bad file descriptor) [pid 415] close(26) = -1 EBADF (Bad file descriptor) [pid 415] close(27) = -1 EBADF (Bad file descriptor) [pid 415] close(28) = -1 EBADF (Bad file descriptor) [pid 415] close(29) = -1 EBADF (Bad file descriptor) [pid 415] exit_group(0) = ? [pid 416] <... futex resumed>) = ? [pid 416] +++ exited with 0 +++ [pid 415] +++ exited with 0 +++ [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=56, si_uid=0, si_status=0, si_utime=6, si_stime=8} --- [pid 310] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 310] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 310] ioctl(3, LOOP_CLR_FD) = 0 [pid 310] close(3) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555585fe7690) = 58 ./strace-static-x86_64: Process 418 attached [pid 418] set_robust_list(0x555585fe76a0, 24) = 0 [pid 418] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 418] setpgid(0, 0) = 0 [pid 418] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 418] write(3, "1000", 4) = 4 [pid 418] close(3) = 0 [pid 418] write(1, "executing program\n", 18executing program ) = 18 [pid 418] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 418] rt_sigaction(SIGRT_1, {sa_handler=0x7f7e761dd510, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7e761cebc0}, NULL, 8) = 0 [pid 418] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 418] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7e7614e000 [pid 418] mprotect(0x7f7e7614f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 418] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 418] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7e7616e990, parent_tid=0x7f7e7616e990, exit_signal=0, stack=0x7f7e7614e000, stack_size=0x20300, tls=0x7f7e7616e6c0}./strace-static-x86_64: Process 419 attached [pid 419] set_robust_list(0x7f7e7616e9a0, 24 [pid 418] <... clone3 resumed> => {parent_tid=[59]}, 88) = 59 [pid 419] <... set_robust_list resumed>) = 0 [pid 418] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 419] rt_sigprocmask(SIG_SETMASK, [], [pid 418] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000 [pid 419] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 418] <... futex resumed>) = 0 [pid 418] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 419] memfd_create("syzkaller", 0) = 3 [pid 419] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7e6dd4e000 [pid 419] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119) = 20699119 [pid 419] munmap(0x7f7e6dd4e000, 138412032) = 0 [pid 419] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 419] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 419] ioctl(4, LOOP_CLR_FD) = 0 [pid 419] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 419] close(4) = 0 [pid 419] close(3) = 0 [pid 419] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 419] futex(0x7f7e76242728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 418] <... futex resumed>) = 0 [pid 418] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 418] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 419] <... futex resumed>) = 0 [pid 419] bind(-1, NULL, 0) = -1 EBADF (Bad file descriptor) [pid 419] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 418] <... futex resumed>) = 0 [pid 418] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 418] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 419] <... futex resumed>) = 1 [pid 419] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 419] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 418] <... futex resumed>) = 0 [pid 418] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 418] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 419] <... futex resumed>) = 1 [pid 419] ioctl(3, SIOCGIFINDEX, {ifr_name="veth0_vlan"}) = -1 ENODEV (No such device) [pid 419] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 418] <... futex resumed>) = 0 [pid 418] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 418] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 419] <... futex resumed>) = 1 [pid 419] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 4 [pid 419] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 418] <... futex resumed>) = 0 [pid 418] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 418] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 419] <... futex resumed>) = 1 [pid 419] ioctl(4, SIOCGIFINDEX, {ifr_name="vlan0"}) = -1 ENODEV (No such device) [pid 419] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 418] <... futex resumed>) = 0 [pid 418] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 418] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 419] <... futex resumed>) = 1 [pid 419] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWCGROUP|CLONE_NEWPID|CLONE_NEWNET) = 0 [pid 419] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 418] <... futex resumed>) = 0 [pid 419] gettid( [pid 418] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000 [pid 419] <... gettid resumed>) = 59 [pid 418] <... futex resumed>) = 0 [pid 419] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 419] futex(0x7f7e76242728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 418] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 418] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 418] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 419] <... futex resumed>) = 0 [pid 419] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x3b\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 40 [pid 419] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 418] <... futex resumed>) = 0 [pid 418] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 418] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 419] <... futex resumed>) = 1 [pid 419] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x3b\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 40 [pid 419] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 418] <... futex resumed>) = 0 [pid 418] close(3) = 0 [pid 418] close(4) = 0 [pid 418] close(5) = -1 EBADF (Bad file descriptor) [pid 418] close(6) = -1 EBADF (Bad file descriptor) [pid 418] close(7) = -1 EBADF (Bad file descriptor) [pid 418] close(8) = -1 EBADF (Bad file descriptor) [pid 418] close(9) = -1 EBADF (Bad file descriptor) [pid 418] close(10) = -1 EBADF (Bad file descriptor) [pid 418] close(11) = -1 EBADF (Bad file descriptor) [pid 418] close(12) = -1 EBADF (Bad file descriptor) [pid 418] close(13) = -1 EBADF (Bad file descriptor) [pid 418] close(14) = -1 EBADF (Bad file descriptor) [pid 418] close(15) = -1 EBADF (Bad file descriptor) [pid 418] close(16) = -1 EBADF (Bad file descriptor) [pid 418] close(17) = -1 EBADF (Bad file descriptor) [pid 418] close(18) = -1 EBADF (Bad file descriptor) [pid 418] close(19) = -1 EBADF (Bad file descriptor) [pid 418] close(20) = -1 EBADF (Bad file descriptor) [pid 418] close(21) = -1 EBADF (Bad file descriptor) [pid 418] close(22) = -1 EBADF (Bad file descriptor) [pid 418] close(23) = -1 EBADF (Bad file descriptor) [pid 418] close(24) = -1 EBADF (Bad file descriptor) [pid 418] close(25) = -1 EBADF (Bad file descriptor) [pid 418] close(26) = -1 EBADF (Bad file descriptor) [pid 418] close(27) = -1 EBADF (Bad file descriptor) [pid 418] close(28) = -1 EBADF (Bad file descriptor) [pid 418] close(29) = -1 EBADF (Bad file descriptor) [pid 418] exit_group(0) = ? [pid 419] +++ exited with 0 +++ [pid 418] +++ exited with 0 +++ [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=58, si_uid=0, si_status=0, si_utime=4, si_stime=9} --- [pid 310] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 310] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 310] ioctl(3, LOOP_CLR_FD) = 0 [pid 310] close(3) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555585fe7690) = 60 ./strace-static-x86_64: Process 420 attached [pid 420] set_robust_list(0x555585fe76a0, 24) = 0 [pid 420] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 420] setpgid(0, 0) = 0 [pid 420] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 420] write(3, "1000", 4) = 4 [pid 420] close(3) = 0 [pid 420] write(1, "executing program\n", 18executing program ) = 18 [pid 420] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 420] rt_sigaction(SIGRT_1, {sa_handler=0x7f7e761dd510, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7e761cebc0}, NULL, 8) = 0 [pid 420] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 420] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7e7614e000 [pid 420] mprotect(0x7f7e7614f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 420] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 420] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7e7616e990, parent_tid=0x7f7e7616e990, exit_signal=0, stack=0x7f7e7614e000, stack_size=0x20300, tls=0x7f7e7616e6c0} => {parent_tid=[61]}, 88) = 61 [pid 420] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 420] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 420] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 421 attached [pid 421] set_robust_list(0x7f7e7616e9a0, 24) = 0 [pid 421] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 421] memfd_create("syzkaller", 0) = 3 [pid 421] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7e6dd4e000 [pid 421] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119) = 20699119 [pid 421] munmap(0x7f7e6dd4e000, 138412032) = 0 [pid 421] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 421] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 421] ioctl(4, LOOP_CLR_FD) = 0 [pid 421] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 421] close(4) = 0 [pid 421] close(3) = 0 [pid 421] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 421] futex(0x7f7e76242728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 420] <... futex resumed>) = 0 [pid 420] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 420] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 421] <... futex resumed>) = 0 [pid 421] bind(-1, NULL, 0) = -1 EBADF (Bad file descriptor) [pid 421] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 420] <... futex resumed>) = 0 [pid 420] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 420] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 421] <... futex resumed>) = 1 [pid 421] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 421] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 420] <... futex resumed>) = 0 [pid 420] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 420] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 421] <... futex resumed>) = 1 [pid 421] ioctl(3, SIOCGIFINDEX, {ifr_name="veth0_vlan"}) = -1 ENODEV (No such device) [pid 421] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 420] <... futex resumed>) = 0 [pid 420] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 420] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 421] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 4 [pid 421] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 420] <... futex resumed>) = 0 [pid 420] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 420] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 421] <... futex resumed>) = 1 [pid 421] ioctl(4, SIOCGIFINDEX, {ifr_name="vlan0"}) = -1 ENODEV (No such device) [pid 421] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 420] <... futex resumed>) = 0 [pid 420] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 420] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 421] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWCGROUP|CLONE_NEWPID|CLONE_NEWNET) = 0 [pid 421] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 421] futex(0x7f7e76242728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 420] <... futex resumed>) = 0 [pid 420] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 420] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 421] <... futex resumed>) = 0 [pid 421] gettid() = 61 [pid 421] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 420] <... futex resumed>) = 0 [pid 420] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 420] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 421] <... futex resumed>) = 1 [pid 421] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x3d\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 40 [pid 421] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 420] <... futex resumed>) = 0 [pid 420] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 420] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 421] <... futex resumed>) = 1 [pid 421] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x3d\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 40 [pid 421] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 420] <... futex resumed>) = 0 [pid 420] close(3) = 0 [pid 421] <... futex resumed>) = 1 [pid 420] close(4) = 0 [pid 420] close(5) = -1 EBADF (Bad file descriptor) [pid 420] close(6) = -1 EBADF (Bad file descriptor) [pid 420] close(7) = -1 EBADF (Bad file descriptor) [pid 420] close(8) = -1 EBADF (Bad file descriptor) [pid 420] close(9) = -1 EBADF (Bad file descriptor) [pid 420] close(10) = -1 EBADF (Bad file descriptor) [pid 420] close(11) = -1 EBADF (Bad file descriptor) [pid 420] close(12) = -1 EBADF (Bad file descriptor) [pid 420] close(13) = -1 EBADF (Bad file descriptor) [pid 420] close(14) = -1 EBADF (Bad file descriptor) [pid 420] close(15) = -1 EBADF (Bad file descriptor) [pid 420] close(16) = -1 EBADF (Bad file descriptor) [pid 420] close(17) = -1 EBADF (Bad file descriptor) [pid 420] close(18) = -1 EBADF (Bad file descriptor) [pid 420] close(19) = -1 EBADF (Bad file descriptor) [pid 420] close(20) = -1 EBADF (Bad file descriptor) [pid 420] close(21) = -1 EBADF (Bad file descriptor) [pid 420] close(22) = -1 EBADF (Bad file descriptor) [pid 420] close(23) = -1 EBADF (Bad file descriptor) [pid 420] close(24) = -1 EBADF (Bad file descriptor) [pid 420] close(25) = -1 EBADF (Bad file descriptor) [pid 420] close(26) = -1 EBADF (Bad file descriptor) [pid 420] close(27) = -1 EBADF (Bad file descriptor) [pid 420] close(28) = -1 EBADF (Bad file descriptor) [pid 420] close(29) = -1 EBADF (Bad file descriptor) [pid 420] exit_group(0) = ? [pid 421] +++ exited with 0 +++ [pid 420] +++ exited with 0 +++ [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=60, si_uid=0, si_status=0, si_utime=4, si_stime=10} --- [pid 310] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 310] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 310] ioctl(3, LOOP_CLR_FD) = 0 [pid 310] close(3) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555585fe7690) = 62 ./strace-static-x86_64: Process 422 attached [pid 422] set_robust_list(0x555585fe76a0, 24) = 0 [pid 422] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 422] setpgid(0, 0) = 0 [pid 422] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 422] write(3, "1000", 4) = 4 [pid 422] close(3) = 0 [pid 422] write(1, "executing program\n", 18executing program ) = 18 [pid 422] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 422] rt_sigaction(SIGRT_1, {sa_handler=0x7f7e761dd510, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7e761cebc0}, NULL, 8) = 0 [pid 422] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 422] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7e7614e000 [pid 422] mprotect(0x7f7e7614f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 422] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 422] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7e7616e990, parent_tid=0x7f7e7616e990, exit_signal=0, stack=0x7f7e7614e000, stack_size=0x20300, tls=0x7f7e7616e6c0}./strace-static-x86_64: Process 423 attached => {parent_tid=[63]}, 88) = 63 [pid 423] set_robust_list(0x7f7e7616e9a0, 24) = 0 [pid 423] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 423] futex(0x7f7e76242728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 422] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 422] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 423] <... futex resumed>) = 0 [pid 422] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 423] memfd_create("syzkaller", 0) = 3 [pid 423] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7e6dd4e000 [pid 423] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119) = 20699119 [pid 423] munmap(0x7f7e6dd4e000, 138412032) = 0 [pid 423] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 423] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 423] ioctl(4, LOOP_CLR_FD) = 0 [pid 423] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 423] close(4) = 0 [pid 423] close(3) = 0 [pid 423] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 422] <... futex resumed>) = 0 [pid 422] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 422] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 423] <... futex resumed>) = 1 [pid 423] bind(-1, NULL, 0) = -1 EBADF (Bad file descriptor) [pid 423] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 422] <... futex resumed>) = 0 [pid 422] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 422] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 423] <... futex resumed>) = 1 [pid 423] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 423] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 422] <... futex resumed>) = 0 [pid 422] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 422] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 423] <... futex resumed>) = 1 [pid 423] ioctl(3, SIOCGIFINDEX, {ifr_name="veth0_vlan"}) = -1 ENODEV (No such device) [pid 423] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 422] <... futex resumed>) = 0 [pid 422] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 422] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 423] <... futex resumed>) = 1 [pid 423] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 4 [pid 423] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 422] <... futex resumed>) = 0 [pid 422] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 422] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 423] <... futex resumed>) = 1 [pid 423] ioctl(4, SIOCGIFINDEX, {ifr_name="vlan0"}) = -1 ENODEV (No such device) [pid 423] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 422] <... futex resumed>) = 0 [pid 422] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 422] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 423] <... futex resumed>) = 1 [pid 423] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWCGROUP|CLONE_NEWPID|CLONE_NEWNET) = 0 [pid 423] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 422] <... futex resumed>) = 0 [pid 422] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 422] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 423] <... futex resumed>) = 1 [pid 423] gettid() = 63 [pid 423] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 422] <... futex resumed>) = 0 [pid 422] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 422] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 423] <... futex resumed>) = 1 [pid 423] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x3f\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 40 [pid 423] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 422] <... futex resumed>) = 0 [pid 422] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 422] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 423] <... futex resumed>) = 1 [pid 423] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x3f\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 40 [pid 423] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 422] <... futex resumed>) = 0 [pid 422] close(3) = 0 [pid 422] close(4) = 0 [pid 422] close(5) = -1 EBADF (Bad file descriptor) [pid 422] close(6) = -1 EBADF (Bad file descriptor) [pid 422] close(7) = -1 EBADF (Bad file descriptor) [pid 422] close(8) = -1 EBADF (Bad file descriptor) [pid 422] close(9) = -1 EBADF (Bad file descriptor) [pid 422] close(10) = -1 EBADF (Bad file descriptor) [pid 422] close(11) = -1 EBADF (Bad file descriptor) [pid 422] close(12) = -1 EBADF (Bad file descriptor) [pid 422] close(13) = -1 EBADF (Bad file descriptor) [pid 422] close(14) = -1 EBADF (Bad file descriptor) [pid 422] close(15) = -1 EBADF (Bad file descriptor) [pid 422] close(16) = -1 EBADF (Bad file descriptor) [pid 422] close(17) = -1 EBADF (Bad file descriptor) [pid 422] close(18) = -1 EBADF (Bad file descriptor) [pid 422] close(19) = -1 EBADF (Bad file descriptor) [pid 422] close(20) = -1 EBADF (Bad file descriptor) [pid 422] close(21) = -1 EBADF (Bad file descriptor) [pid 422] close(22) = -1 EBADF (Bad file descriptor) [pid 422] close(23) = -1 EBADF (Bad file descriptor) [pid 422] close(24) = -1 EBADF (Bad file descriptor) [pid 422] close(25) = -1 EBADF (Bad file descriptor) [pid 422] close(26) = -1 EBADF (Bad file descriptor) [pid 422] close(27) = -1 EBADF (Bad file descriptor) [pid 422] close(28) = -1 EBADF (Bad file descriptor) [pid 422] close(29) = -1 EBADF (Bad file descriptor) [pid 422] exit_group(0) = ? [pid 423] <... futex resumed>) = ? [pid 423] +++ exited with 0 +++ [pid 422] +++ exited with 0 +++ [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=62, si_uid=0, si_status=0, si_utime=3, si_stime=11} --- [pid 310] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 310] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 310] ioctl(3, LOOP_CLR_FD) = 0 [pid 310] close(3) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555585fe7690) = 64 ./strace-static-x86_64: Process 424 attached [pid 424] set_robust_list(0x555585fe76a0, 24) = 0 [pid 424] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 424] setpgid(0, 0) = 0 [pid 424] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 424] write(3, "1000", 4) = 4 [pid 424] close(3) = 0 [pid 424] write(1, "executing program\n", 18executing program ) = 18 [pid 424] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 424] rt_sigaction(SIGRT_1, {sa_handler=0x7f7e761dd510, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7e761cebc0}, NULL, 8) = 0 [pid 424] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 424] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7e7614e000 [pid 424] mprotect(0x7f7e7614f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 424] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 424] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7e7616e990, parent_tid=0x7f7e7616e990, exit_signal=0, stack=0x7f7e7614e000, stack_size=0x20300, tls=0x7f7e7616e6c0}./strace-static-x86_64: Process 425 attached => {parent_tid=[65]}, 88) = 65 [pid 425] set_robust_list(0x7f7e7616e9a0, 24) = 0 [pid 425] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 425] futex(0x7f7e76242728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 424] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 424] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 425] <... futex resumed>) = 0 [pid 425] memfd_create("syzkaller", 0 [pid 424] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 425] <... memfd_create resumed>) = 3 [pid 425] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7e6dd4e000 [pid 425] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119) = 20699119 [pid 425] munmap(0x7f7e6dd4e000, 138412032) = 0 [pid 425] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 425] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 425] ioctl(4, LOOP_CLR_FD) = 0 [pid 425] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 425] close(4) = 0 [pid 425] close(3) = 0 [pid 425] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 424] <... futex resumed>) = 0 [pid 424] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 424] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 425] <... futex resumed>) = 1 [pid 425] bind(-1, NULL, 0) = -1 EBADF (Bad file descriptor) [pid 425] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 424] <... futex resumed>) = 0 [pid 425] <... futex resumed>) = 1 [pid 424] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 424] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 425] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 425] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 424] <... futex resumed>) = 0 [pid 424] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000 [pid 425] <... futex resumed>) = 1 [pid 424] <... futex resumed>) = 0 [pid 424] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 425] ioctl(3, SIOCGIFINDEX, {ifr_name="veth0_vlan"}) = -1 ENODEV (No such device) [pid 425] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 424] <... futex resumed>) = 0 [pid 425] <... futex resumed>) = 1 [pid 424] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000 [pid 425] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 424] <... futex resumed>) = 0 [pid 425] <... socket resumed>) = 4 [pid 424] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 425] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 424] <... futex resumed>) = 0 [pid 425] ioctl(4, SIOCGIFINDEX, {ifr_name="vlan0" [pid 424] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 424] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 425] <... ioctl resumed>}) = -1 ENODEV (No such device) [pid 425] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 424] <... futex resumed>) = 0 [pid 425] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWCGROUP|CLONE_NEWPID|CLONE_NEWNET [pid 424] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 424] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 425] <... unshare resumed>) = 0 [pid 425] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 424] <... futex resumed>) = 0 [pid 424] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 424] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 425] <... futex resumed>) = 1 [pid 425] gettid() = 65 [pid 425] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 424] <... futex resumed>) = 0 [pid 424] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 424] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 425] <... futex resumed>) = 1 [pid 425] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x41\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 40 [pid 425] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 424] <... futex resumed>) = 0 [pid 424] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 424] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 425] <... futex resumed>) = 1 [pid 425] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x41\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 40 [pid 425] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 424] <... futex resumed>) = 0 [pid 424] close(3) = 0 [pid 424] close(4) = 0 [pid 424] close(5) = -1 EBADF (Bad file descriptor) [pid 424] close(6) = -1 EBADF (Bad file descriptor) [pid 424] close(7) = -1 EBADF (Bad file descriptor) [pid 424] close(8) = -1 EBADF (Bad file descriptor) [pid 424] close(9) = -1 EBADF (Bad file descriptor) [pid 424] close(10) = -1 EBADF (Bad file descriptor) [pid 424] close(11) = -1 EBADF (Bad file descriptor) [pid 424] close(12) = -1 EBADF (Bad file descriptor) [pid 424] close(13) = -1 EBADF (Bad file descriptor) [pid 424] close(14) = -1 EBADF (Bad file descriptor) [pid 424] close(15) = -1 EBADF (Bad file descriptor) [pid 424] close(16) = -1 EBADF (Bad file descriptor) [pid 424] close(17) = -1 EBADF (Bad file descriptor) [pid 424] close(18) = -1 EBADF (Bad file descriptor) [pid 424] close(19) = -1 EBADF (Bad file descriptor) [pid 424] close(20) = -1 EBADF (Bad file descriptor) [pid 424] close(21) = -1 EBADF (Bad file descriptor) [pid 424] close(22) = -1 EBADF (Bad file descriptor) [pid 424] close(23) = -1 EBADF (Bad file descriptor) [pid 424] close(24) = -1 EBADF (Bad file descriptor) [pid 424] close(25) = -1 EBADF (Bad file descriptor) [pid 424] close(26) = -1 EBADF (Bad file descriptor) [pid 424] close(27) = -1 EBADF (Bad file descriptor) [pid 424] close(28) = -1 EBADF (Bad file descriptor) [pid 424] close(29) = -1 EBADF (Bad file descriptor) [pid 424] exit_group(0) = ? [pid 425] <... futex resumed>) = ? [pid 425] +++ exited with 0 +++ [pid 424] +++ exited with 0 +++ [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=64, si_uid=0, si_status=0, si_utime=5, si_stime=9} --- [pid 310] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 310] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 310] ioctl(3, LOOP_CLR_FD) = 0 [pid 310] close(3) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555585fe7690) = 66 ./strace-static-x86_64: Process 426 attached [pid 426] set_robust_list(0x555585fe76a0, 24) = 0 [pid 426] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 426] setpgid(0, 0) = 0 [pid 426] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 426] write(3, "1000", 4) = 4 [pid 426] close(3) = 0 [pid 426] write(1, "executing program\n", 18executing program ) = 18 [pid 426] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 426] rt_sigaction(SIGRT_1, {sa_handler=0x7f7e761dd510, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7e761cebc0}, NULL, 8) = 0 [pid 426] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 426] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7e7614e000 [pid 426] mprotect(0x7f7e7614f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 426] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 426] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7e7616e990, parent_tid=0x7f7e7616e990, exit_signal=0, stack=0x7f7e7614e000, stack_size=0x20300, tls=0x7f7e7616e6c0} => {parent_tid=[67]}, 88) = 67 [pid 426] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 426] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 426] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 427 attached [pid 427] set_robust_list(0x7f7e7616e9a0, 24) = 0 [pid 427] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 427] memfd_create("syzkaller", 0) = 3 [pid 427] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7e6dd4e000 [pid 427] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119) = 20699119 [pid 427] munmap(0x7f7e6dd4e000, 138412032) = 0 [pid 427] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 427] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 427] ioctl(4, LOOP_CLR_FD) = 0 [pid 427] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 427] close(4) = 0 [pid 427] close(3) = 0 [pid 427] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 426] <... futex resumed>) = 0 [pid 426] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 426] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 427] <... futex resumed>) = 1 [pid 427] bind(-1, NULL, 0) = -1 EBADF (Bad file descriptor) [pid 427] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 426] <... futex resumed>) = 0 [pid 426] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 426] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 427] <... futex resumed>) = 1 [pid 427] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 427] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 426] <... futex resumed>) = 0 [pid 426] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 426] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 427] <... futex resumed>) = 1 [pid 427] ioctl(3, SIOCGIFINDEX, {ifr_name="veth0_vlan"}) = -1 ENODEV (No such device) [pid 427] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 426] <... futex resumed>) = 0 [pid 426] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 426] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 427] <... futex resumed>) = 1 [pid 427] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 4 [pid 427] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 426] <... futex resumed>) = 0 [pid 426] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 426] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 427] <... futex resumed>) = 1 [pid 427] ioctl(4, SIOCGIFINDEX, {ifr_name="vlan0"}) = -1 ENODEV (No such device) [pid 427] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 426] <... futex resumed>) = 0 [pid 426] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 426] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 427] <... futex resumed>) = 1 [pid 427] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWCGROUP|CLONE_NEWPID|CLONE_NEWNET) = 0 [pid 427] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 426] <... futex resumed>) = 0 [pid 426] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 426] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 427] gettid() = 67 [pid 427] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 426] <... futex resumed>) = 0 [pid 426] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 426] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 427] <... futex resumed>) = 1 [pid 427] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x43\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 40 [pid 427] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 427] futex(0x7f7e76242728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 426] <... futex resumed>) = 0 [pid 426] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 426] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 427] <... futex resumed>) = 0 [pid 427] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x43\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 40 [pid 427] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 427] futex(0x7f7e76242728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 426] <... futex resumed>) = 0 [pid 426] close(3) = 0 [pid 426] close(4) = 0 [pid 426] close(5) = -1 EBADF (Bad file descriptor) [pid 426] close(6) = -1 EBADF (Bad file descriptor) [pid 426] close(7) = -1 EBADF (Bad file descriptor) [pid 426] close(8) = -1 EBADF (Bad file descriptor) [pid 426] close(9) = -1 EBADF (Bad file descriptor) [pid 426] close(10) = -1 EBADF (Bad file descriptor) [pid 426] close(11) = -1 EBADF (Bad file descriptor) [pid 426] close(12) = -1 EBADF (Bad file descriptor) [pid 426] close(13) = -1 EBADF (Bad file descriptor) [pid 426] close(14) = -1 EBADF (Bad file descriptor) [pid 426] close(15) = -1 EBADF (Bad file descriptor) [pid 426] close(16) = -1 EBADF (Bad file descriptor) [pid 426] close(17) = -1 EBADF (Bad file descriptor) [pid 426] close(18) = -1 EBADF (Bad file descriptor) [pid 426] close(19) = -1 EBADF (Bad file descriptor) [pid 426] close(20) = -1 EBADF (Bad file descriptor) [pid 426] close(21) = -1 EBADF (Bad file descriptor) [pid 426] close(22) = -1 EBADF (Bad file descriptor) [pid 426] close(23) = -1 EBADF (Bad file descriptor) [pid 426] close(24) = -1 EBADF (Bad file descriptor) [pid 426] close(25) = -1 EBADF (Bad file descriptor) [pid 426] close(26) = -1 EBADF (Bad file descriptor) [pid 426] close(27) = -1 EBADF (Bad file descriptor) [pid 426] close(28) = -1 EBADF (Bad file descriptor) [pid 426] close(29) = -1 EBADF (Bad file descriptor) [pid 426] exit_group(0) = ? [pid 427] <... futex resumed>) = ? [pid 427] +++ exited with 0 +++ [pid 426] +++ exited with 0 +++ [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=66, si_uid=0, si_status=0, si_utime=4, si_stime=10} --- [pid 310] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 310] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 310] ioctl(3, LOOP_CLR_FD) = 0 [pid 310] close(3) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555585fe7690) = 68 ./strace-static-x86_64: Process 429 attached [pid 429] set_robust_list(0x555585fe76a0, 24) = 0 [pid 429] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 429] setpgid(0, 0) = 0 [pid 429] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 429] write(3, "1000", 4) = 4 [pid 429] close(3) = 0 [pid 429] write(1, "executing program\n", 18executing program ) = 18 [pid 429] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 429] rt_sigaction(SIGRT_1, {sa_handler=0x7f7e761dd510, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7e761cebc0}, NULL, 8) = 0 [pid 429] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 429] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7e7614e000 [pid 429] mprotect(0x7f7e7614f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 429] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 429] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7e7616e990, parent_tid=0x7f7e7616e990, exit_signal=0, stack=0x7f7e7614e000, stack_size=0x20300, tls=0x7f7e7616e6c0} => {parent_tid=[69]}, 88) = 69 [pid 429] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 429] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 429] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 430 attached [pid 430] set_robust_list(0x7f7e7616e9a0, 24) = 0 [pid 430] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 430] memfd_create("syzkaller", 0) = 3 [pid 430] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7e6dd4e000 [pid 430] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119) = 20699119 [pid 430] munmap(0x7f7e6dd4e000, 138412032) = 0 [pid 430] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 430] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 430] ioctl(4, LOOP_CLR_FD) = 0 [pid 430] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 430] close(4) = 0 [pid 430] close(3) = 0 [pid 430] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 429] <... futex resumed>) = 0 [pid 429] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 429] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 430] <... futex resumed>) = 1 [pid 430] bind(-1, NULL, 0) = -1 EBADF (Bad file descriptor) [pid 430] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 429] <... futex resumed>) = 0 [pid 429] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 429] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 430] <... futex resumed>) = 1 [pid 430] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 430] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 429] <... futex resumed>) = 0 [pid 429] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 429] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 430] <... futex resumed>) = 1 [pid 430] ioctl(3, SIOCGIFINDEX, {ifr_name="veth0_vlan"}) = -1 ENODEV (No such device) [pid 430] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 429] <... futex resumed>) = 0 [pid 429] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 429] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 430] <... futex resumed>) = 1 [pid 430] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 4 [pid 430] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 429] <... futex resumed>) = 0 [pid 429] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 429] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 430] <... futex resumed>) = 1 [pid 430] ioctl(4, SIOCGIFINDEX, {ifr_name="vlan0"}) = -1 ENODEV (No such device) [pid 430] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 429] <... futex resumed>) = 0 [pid 429] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 429] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 430] <... futex resumed>) = 1 [pid 430] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWCGROUP|CLONE_NEWPID|CLONE_NEWNET) = 0 [pid 430] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 429] <... futex resumed>) = 0 [pid 430] gettid( [pid 429] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000 [pid 430] <... gettid resumed>) = 69 [pid 429] <... futex resumed>) = 0 [pid 430] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 429] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 430] <... futex resumed>) = 0 [pid 429] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 430] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x45\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 429] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 429] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 430] <... sendmsg resumed>) = 40 [pid 430] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 429] <... futex resumed>) = 0 [pid 429] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 429] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 430] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x45\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 40 [pid 430] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 429] <... futex resumed>) = 0 [pid 429] close(3) = 0 [pid 429] close(4) = 0 [pid 429] close(5) = -1 EBADF (Bad file descriptor) [pid 429] close(6) = -1 EBADF (Bad file descriptor) [pid 429] close(7) = -1 EBADF (Bad file descriptor) [pid 429] close(8) = -1 EBADF (Bad file descriptor) [pid 429] close(9) = -1 EBADF (Bad file descriptor) [pid 429] close(10) = -1 EBADF (Bad file descriptor) [pid 429] close(11) = -1 EBADF (Bad file descriptor) [pid 429] close(12) = -1 EBADF (Bad file descriptor) [pid 429] close(13) = -1 EBADF (Bad file descriptor) [pid 429] close(14) = -1 EBADF (Bad file descriptor) [pid 429] close(15) = -1 EBADF (Bad file descriptor) [pid 429] close(16) = -1 EBADF (Bad file descriptor) [pid 429] close(17) = -1 EBADF (Bad file descriptor) [pid 429] close(18) = -1 EBADF (Bad file descriptor) [pid 429] close(19) = -1 EBADF (Bad file descriptor) [pid 429] close(20) = -1 EBADF (Bad file descriptor) [pid 429] close(21) = -1 EBADF (Bad file descriptor) [pid 429] close(22) = -1 EBADF (Bad file descriptor) [pid 429] close(23) = -1 EBADF (Bad file descriptor) [pid 429] close(24) = -1 EBADF (Bad file descriptor) [pid 429] close(25) = -1 EBADF (Bad file descriptor) [pid 429] close(26) = -1 EBADF (Bad file descriptor) [pid 429] close(27) = -1 EBADF (Bad file descriptor) [pid 429] close(28) = -1 EBADF (Bad file descriptor) [pid 429] close(29) = -1 EBADF (Bad file descriptor) [pid 429] exit_group(0) = ? [pid 430] <... futex resumed>) = ? [pid 430] +++ exited with 0 +++ [pid 429] +++ exited with 0 +++ [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=68, si_uid=0, si_status=0, si_utime=4, si_stime=10} --- [pid 310] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 310] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 310] ioctl(3, LOOP_CLR_FD) = 0 [pid 310] close(3) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555585fe7690) = 70 ./strace-static-x86_64: Process 431 attached [pid 431] set_robust_list(0x555585fe76a0, 24) = 0 [pid 431] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 431] setpgid(0, 0) = 0 [pid 431] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 431] write(3, "1000", 4) = 4 [pid 431] close(3) = 0 [pid 431] write(1, "executing program\n", 18executing program ) = 18 [pid 431] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 431] rt_sigaction(SIGRT_1, {sa_handler=0x7f7e761dd510, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7e761cebc0}, NULL, 8) = 0 [pid 431] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 431] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7e7614e000 [pid 431] mprotect(0x7f7e7614f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 431] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 431] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7e7616e990, parent_tid=0x7f7e7616e990, exit_signal=0, stack=0x7f7e7614e000, stack_size=0x20300, tls=0x7f7e7616e6c0} => {parent_tid=[71]}, 88) = 71 [pid 431] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 431] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 431] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 432 attached [pid 432] set_robust_list(0x7f7e7616e9a0, 24) = 0 [pid 432] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 432] memfd_create("syzkaller", 0) = 3 [pid 432] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7e6dd4e000 [pid 432] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119) = 20699119 [pid 432] munmap(0x7f7e6dd4e000, 138412032) = 0 [pid 432] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 432] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 432] ioctl(4, LOOP_CLR_FD) = 0 [pid 432] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 432] close(4) = 0 [pid 432] close(3) = 0 [pid 432] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 431] <... futex resumed>) = 0 [pid 431] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 431] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 432] <... futex resumed>) = 1 [pid 432] bind(-1, NULL, 0) = -1 EBADF (Bad file descriptor) [pid 432] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 431] <... futex resumed>) = 0 [pid 431] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 431] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 432] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 432] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 431] <... futex resumed>) = 0 [pid 432] ioctl(3, SIOCGIFINDEX, {ifr_name="veth0_vlan" [pid 431] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 432] <... ioctl resumed>}) = -1 ENODEV (No such device) [pid 431] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 432] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 432] futex(0x7f7e76242728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 431] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 431] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 431] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 432] <... futex resumed>) = 0 [pid 432] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 4 [pid 432] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 431] <... futex resumed>) = 0 [pid 431] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 431] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 432] <... futex resumed>) = 1 [pid 432] ioctl(4, SIOCGIFINDEX, {ifr_name="vlan0"}) = -1 ENODEV (No such device) [pid 432] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 431] <... futex resumed>) = 0 [pid 431] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 431] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 432] <... futex resumed>) = 1 [pid 432] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWCGROUP|CLONE_NEWPID|CLONE_NEWNET) = 0 [pid 432] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 431] <... futex resumed>) = 0 [pid 432] gettid( [pid 431] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000 [pid 432] <... gettid resumed>) = 71 [pid 431] <... futex resumed>) = 0 [pid 432] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 431] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 432] <... futex resumed>) = 0 [pid 431] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 432] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x47\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 431] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 431] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 432] <... sendmsg resumed>) = 40 [pid 432] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 431] <... futex resumed>) = 0 [pid 432] futex(0x7f7e76242728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 431] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000 [pid 432] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 431] <... futex resumed>) = 0 [pid 432] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x47\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 431] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 432] <... sendmsg resumed>) = 40 [pid 432] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 431] <... futex resumed>) = 0 [pid 432] futex(0x7f7e76242728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 431] close(3) = 0 [pid 431] close(4) = 0 [pid 431] close(5) = -1 EBADF (Bad file descriptor) [pid 431] close(6) = -1 EBADF (Bad file descriptor) [pid 431] close(7) = -1 EBADF (Bad file descriptor) [pid 431] close(8) = -1 EBADF (Bad file descriptor) [pid 431] close(9) = -1 EBADF (Bad file descriptor) [pid 431] close(10) = -1 EBADF (Bad file descriptor) [pid 431] close(11) = -1 EBADF (Bad file descriptor) [pid 431] close(12) = -1 EBADF (Bad file descriptor) [pid 431] close(13) = -1 EBADF (Bad file descriptor) [pid 431] close(14) = -1 EBADF (Bad file descriptor) [pid 431] close(15) = -1 EBADF (Bad file descriptor) [pid 431] close(16) = -1 EBADF (Bad file descriptor) [pid 431] close(17) = -1 EBADF (Bad file descriptor) [pid 431] close(18) = -1 EBADF (Bad file descriptor) [pid 431] close(19) = -1 EBADF (Bad file descriptor) [pid 431] close(20) = -1 EBADF (Bad file descriptor) [pid 431] close(21) = -1 EBADF (Bad file descriptor) [pid 431] close(22) = -1 EBADF (Bad file descriptor) [pid 431] close(23) = -1 EBADF (Bad file descriptor) [pid 431] close(24) = -1 EBADF (Bad file descriptor) [pid 431] close(25) = -1 EBADF (Bad file descriptor) [pid 431] close(26) = -1 EBADF (Bad file descriptor) [pid 431] close(27) = -1 EBADF (Bad file descriptor) [pid 431] close(28) = -1 EBADF (Bad file descriptor) [pid 431] close(29) = -1 EBADF (Bad file descriptor) [pid 431] exit_group(0) = ? [pid 432] <... futex resumed>) = ? [pid 432] +++ exited with 0 +++ [pid 431] +++ exited with 0 +++ [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=70, si_uid=0, si_status=0, si_utime=2, si_stime=12} --- [pid 310] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 310] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 310] ioctl(3, LOOP_CLR_FD) = 0 [pid 310] close(3) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555585fe7690) = 72 ./strace-static-x86_64: Process 433 attached [pid 433] set_robust_list(0x555585fe76a0, 24) = 0 [pid 433] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 433] setpgid(0, 0) = 0 [pid 433] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 433] write(3, "1000", 4) = 4 [pid 433] close(3) = 0 [pid 433] write(1, "executing program\n", 18executing program ) = 18 [pid 433] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 433] rt_sigaction(SIGRT_1, {sa_handler=0x7f7e761dd510, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7e761cebc0}, NULL, 8) = 0 [pid 433] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 433] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7e7614e000 [pid 433] mprotect(0x7f7e7614f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 433] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 433] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7e7616e990, parent_tid=0x7f7e7616e990, exit_signal=0, stack=0x7f7e7614e000, stack_size=0x20300, tls=0x7f7e7616e6c0}./strace-static-x86_64: Process 434 attached => {parent_tid=[73]}, 88) = 73 [pid 434] set_robust_list(0x7f7e7616e9a0, 24) = 0 [pid 434] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 434] futex(0x7f7e76242728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 433] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 433] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 434] <... futex resumed>) = 0 [pid 434] memfd_create("syzkaller", 0) = 3 [pid 434] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 433] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 434] <... mmap resumed>) = 0x7f7e6dd4e000 [pid 434] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119) = 20699119 [pid 434] munmap(0x7f7e6dd4e000, 138412032) = 0 [pid 434] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 434] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 434] ioctl(4, LOOP_CLR_FD) = 0 [pid 434] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 434] close(4) = 0 [pid 434] close(3) = 0 [pid 434] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 433] <... futex resumed>) = 0 [pid 433] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 433] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 434] <... futex resumed>) = 1 [pid 434] bind(-1, NULL, 0) = -1 EBADF (Bad file descriptor) [pid 434] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 433] <... futex resumed>) = 0 [pid 433] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000 [pid 434] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 433] <... futex resumed>) = 0 [pid 434] <... socket resumed>) = 3 [pid 434] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 434] futex(0x7f7e76242728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 433] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 433] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 433] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 434] <... futex resumed>) = 0 [pid 434] ioctl(3, SIOCGIFINDEX, {ifr_name="veth0_vlan"}) = -1 ENODEV (No such device) [pid 434] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 433] <... futex resumed>) = 0 [pid 433] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 433] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 434] <... futex resumed>) = 1 [pid 434] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 4 [pid 434] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 433] <... futex resumed>) = 0 [pid 433] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 433] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 434] <... futex resumed>) = 1 [pid 434] ioctl(4, SIOCGIFINDEX, {ifr_name="vlan0"}) = -1 ENODEV (No such device) [pid 434] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 433] <... futex resumed>) = 0 [pid 433] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 433] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 434] <... futex resumed>) = 1 [pid 434] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWCGROUP|CLONE_NEWPID|CLONE_NEWNET) = 0 [pid 434] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 434] futex(0x7f7e76242728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 433] <... futex resumed>) = 0 [pid 433] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 433] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 434] <... futex resumed>) = 0 [pid 434] gettid() = 73 [pid 434] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 433] <... futex resumed>) = 0 [pid 433] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 434] <... futex resumed>) = 1 [pid 433] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 434] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x49\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 40 [pid 434] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 433] <... futex resumed>) = 0 [pid 433] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 433] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 434] <... futex resumed>) = 1 [pid 434] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x49\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 40 [pid 434] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 434] futex(0x7f7e76242728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 433] <... futex resumed>) = 0 [pid 433] close(3) = 0 [pid 433] close(4) = 0 [pid 433] close(5) = -1 EBADF (Bad file descriptor) [pid 433] close(6) = -1 EBADF (Bad file descriptor) [pid 433] close(7) = -1 EBADF (Bad file descriptor) [pid 433] close(8) = -1 EBADF (Bad file descriptor) [pid 433] close(9) = -1 EBADF (Bad file descriptor) [pid 433] close(10) = -1 EBADF (Bad file descriptor) [pid 433] close(11) = -1 EBADF (Bad file descriptor) [pid 433] close(12) = -1 EBADF (Bad file descriptor) [pid 433] close(13) = -1 EBADF (Bad file descriptor) [pid 433] close(14) = -1 EBADF (Bad file descriptor) [pid 433] close(15) = -1 EBADF (Bad file descriptor) [pid 433] close(16) = -1 EBADF (Bad file descriptor) [pid 433] close(17) = -1 EBADF (Bad file descriptor) [pid 433] close(18) = -1 EBADF (Bad file descriptor) [pid 433] close(19) = -1 EBADF (Bad file descriptor) [pid 433] close(20) = -1 EBADF (Bad file descriptor) [pid 433] close(21) = -1 EBADF (Bad file descriptor) [pid 433] close(22) = -1 EBADF (Bad file descriptor) [pid 433] close(23) = -1 EBADF (Bad file descriptor) [pid 433] close(24) = -1 EBADF (Bad file descriptor) [pid 433] close(25) = -1 EBADF (Bad file descriptor) [pid 433] close(26) = -1 EBADF (Bad file descriptor) [pid 433] close(27) = -1 EBADF (Bad file descriptor) [pid 433] close(28) = -1 EBADF (Bad file descriptor) [pid 433] close(29) = -1 EBADF (Bad file descriptor) [pid 433] exit_group(0) = ? [pid 434] <... futex resumed>) = ? [pid 434] +++ exited with 0 +++ [pid 433] +++ exited with 0 +++ [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=72, si_uid=0, si_status=0, si_utime=4, si_stime=10} --- [pid 310] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 310] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 310] ioctl(3, LOOP_CLR_FD) = 0 [pid 310] close(3) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555585fe7690) = 74 ./strace-static-x86_64: Process 435 attached [pid 435] set_robust_list(0x555585fe76a0, 24) = 0 [pid 435] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 435] setpgid(0, 0) = 0 [pid 435] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 435] write(3, "1000", 4) = 4 [pid 435] close(3) = 0 [pid 435] write(1, "executing program\n", 18executing program ) = 18 [pid 435] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 435] rt_sigaction(SIGRT_1, {sa_handler=0x7f7e761dd510, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7e761cebc0}, NULL, 8) = 0 [pid 435] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 435] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7e7614e000 [pid 435] mprotect(0x7f7e7614f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 435] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 435] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7e7616e990, parent_tid=0x7f7e7616e990, exit_signal=0, stack=0x7f7e7614e000, stack_size=0x20300, tls=0x7f7e7616e6c0} => {parent_tid=[75]}, 88) = 75 [pid 435] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 435] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 435] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 436 attached [pid 436] set_robust_list(0x7f7e7616e9a0, 24) = 0 [pid 436] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 436] memfd_create("syzkaller", 0) = 3 [pid 436] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7e6dd4e000 [pid 436] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119) = 20699119 [pid 436] munmap(0x7f7e6dd4e000, 138412032) = 0 [pid 436] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 436] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 436] ioctl(4, LOOP_CLR_FD) = 0 [pid 436] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 436] close(4) = 0 [pid 436] close(3) = 0 [pid 436] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 435] <... futex resumed>) = 0 [pid 435] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 435] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 436] <... futex resumed>) = 1 [pid 436] bind(-1, NULL, 0) = -1 EBADF (Bad file descriptor) [pid 436] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 435] <... futex resumed>) = 0 [pid 435] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 435] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 436] <... futex resumed>) = 1 [pid 436] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 436] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 435] <... futex resumed>) = 0 [pid 435] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 435] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 436] <... futex resumed>) = 1 [pid 436] ioctl(3, SIOCGIFINDEX, {ifr_name="veth0_vlan"}) = -1 ENODEV (No such device) [pid 436] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 435] <... futex resumed>) = 0 [pid 435] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 435] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 436] <... futex resumed>) = 1 [pid 436] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 4 [pid 436] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 435] <... futex resumed>) = 0 [pid 435] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 435] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 436] <... futex resumed>) = 1 [pid 436] ioctl(4, SIOCGIFINDEX, {ifr_name="vlan0"}) = -1 ENODEV (No such device) [pid 436] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 435] <... futex resumed>) = 0 [pid 435] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 435] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 436] <... futex resumed>) = 1 [pid 436] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWCGROUP|CLONE_NEWPID|CLONE_NEWNET) = 0 [pid 436] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 435] <... futex resumed>) = 0 [pid 435] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 435] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 436] <... futex resumed>) = 1 [pid 436] gettid() = 75 [pid 436] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 435] <... futex resumed>) = 0 [pid 435] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 435] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 436] <... futex resumed>) = 1 [pid 436] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x4b\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 40 [pid 436] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 435] <... futex resumed>) = 0 [pid 435] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 435] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 436] <... futex resumed>) = 1 [pid 436] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x4b\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 40 [pid 436] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 435] <... futex resumed>) = 0 [pid 435] close(3) = 0 [pid 435] close(4) = 0 [pid 435] close(5) = -1 EBADF (Bad file descriptor) [pid 435] close(6) = -1 EBADF (Bad file descriptor) [pid 435] close(7) = -1 EBADF (Bad file descriptor) [pid 435] close(8) = -1 EBADF (Bad file descriptor) [pid 435] close(9) = -1 EBADF (Bad file descriptor) [pid 435] close(10) = -1 EBADF (Bad file descriptor) [pid 435] close(11) = -1 EBADF (Bad file descriptor) [pid 435] close(12) = -1 EBADF (Bad file descriptor) [pid 435] close(13) = -1 EBADF (Bad file descriptor) [pid 435] close(14) = -1 EBADF (Bad file descriptor) [pid 435] close(15) = -1 EBADF (Bad file descriptor) [pid 435] close(16) = -1 EBADF (Bad file descriptor) [pid 435] close(17) = -1 EBADF (Bad file descriptor) [pid 435] close(18) = -1 EBADF (Bad file descriptor) [pid 435] close(19) = -1 EBADF (Bad file descriptor) [pid 435] close(20) = -1 EBADF (Bad file descriptor) [pid 435] close(21) = -1 EBADF (Bad file descriptor) [pid 435] close(22) = -1 EBADF (Bad file descriptor) [pid 435] close(23) = -1 EBADF (Bad file descriptor) [pid 435] close(24) = -1 EBADF (Bad file descriptor) [pid 435] close(25) = -1 EBADF (Bad file descriptor) [pid 435] close(26) = -1 EBADF (Bad file descriptor) [pid 435] close(27) = -1 EBADF (Bad file descriptor) [pid 435] close(28) = -1 EBADF (Bad file descriptor) [pid 435] close(29) = -1 EBADF (Bad file descriptor) [pid 435] exit_group(0) = ? [pid 436] <... futex resumed>) = ? [pid 436] +++ exited with 0 +++ [pid 435] +++ exited with 0 +++ [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=74, si_uid=0, si_status=0, si_utime=3, si_stime=10} --- [pid 310] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 310] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 310] ioctl(3, LOOP_CLR_FD) = 0 [pid 310] close(3) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555585fe7690) = 76 ./strace-static-x86_64: Process 437 attached [pid 437] set_robust_list(0x555585fe76a0, 24) = 0 [pid 437] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 437] setpgid(0, 0) = 0 [pid 437] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 437] write(3, "1000", 4) = 4 [pid 437] close(3) = 0 [pid 437] write(1, "executing program\n", 18executing program ) = 18 [pid 437] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 437] rt_sigaction(SIGRT_1, {sa_handler=0x7f7e761dd510, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7e761cebc0}, NULL, 8) = 0 [pid 437] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 437] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7e7614e000 [pid 437] mprotect(0x7f7e7614f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 437] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 437] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7e7616e990, parent_tid=0x7f7e7616e990, exit_signal=0, stack=0x7f7e7614e000, stack_size=0x20300, tls=0x7f7e7616e6c0}./strace-static-x86_64: Process 438 attached => {parent_tid=[77]}, 88) = 77 [pid 437] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 437] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 437] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 438] set_robust_list(0x7f7e7616e9a0, 24) = 0 [pid 438] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 438] memfd_create("syzkaller", 0) = 3 [pid 438] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7e6dd4e000 [pid 438] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119) = 20699119 [pid 438] munmap(0x7f7e6dd4e000, 138412032) = 0 [pid 438] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 438] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 438] ioctl(4, LOOP_CLR_FD) = 0 [pid 438] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 438] close(4) = 0 [pid 438] close(3) = 0 [pid 438] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 437] <... futex resumed>) = 0 [pid 437] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 437] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 438] <... futex resumed>) = 1 [pid 438] bind(-1, NULL, 0) = -1 EBADF (Bad file descriptor) [pid 438] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 437] <... futex resumed>) = 0 [pid 437] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 437] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 438] <... futex resumed>) = 1 [pid 438] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 438] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 438] futex(0x7f7e76242728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 437] <... futex resumed>) = 0 [pid 437] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 437] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 438] <... futex resumed>) = 0 [pid 438] ioctl(3, SIOCGIFINDEX, {ifr_name="veth0_vlan"}) = -1 ENODEV (No such device) [pid 438] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 437] <... futex resumed>) = 0 [pid 437] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 437] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 438] <... futex resumed>) = 1 [pid 438] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 4 [pid 438] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 437] <... futex resumed>) = 0 [pid 437] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 437] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 438] <... futex resumed>) = 1 [pid 438] ioctl(4, SIOCGIFINDEX, {ifr_name="vlan0"}) = -1 ENODEV (No such device) [pid 438] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 437] <... futex resumed>) = 0 [pid 437] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 437] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 438] <... futex resumed>) = 1 [pid 438] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWCGROUP|CLONE_NEWPID|CLONE_NEWNET) = 0 [pid 438] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 437] <... futex resumed>) = 0 [pid 437] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 437] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 438] <... futex resumed>) = 1 [pid 438] gettid() = 77 [pid 438] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 437] <... futex resumed>) = 0 [pid 437] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 437] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 438] <... futex resumed>) = 1 [pid 438] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x4d\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 40 [pid 438] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 437] <... futex resumed>) = 0 [pid 437] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 437] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 438] <... futex resumed>) = 1 [pid 438] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x4d\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 40 [pid 438] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 437] <... futex resumed>) = 0 [pid 437] close(3) = 0 [pid 437] close(4) = 0 [pid 437] close(5) = -1 EBADF (Bad file descriptor) [pid 437] close(6) = -1 EBADF (Bad file descriptor) [pid 437] close(7) = -1 EBADF (Bad file descriptor) [pid 437] close(8) = -1 EBADF (Bad file descriptor) [pid 437] close(9) = -1 EBADF (Bad file descriptor) [pid 437] close(10) = -1 EBADF (Bad file descriptor) [pid 437] close(11) = -1 EBADF (Bad file descriptor) [pid 437] close(12) = -1 EBADF (Bad file descriptor) [pid 437] close(13) = -1 EBADF (Bad file descriptor) [pid 437] close(14) = -1 EBADF (Bad file descriptor) [pid 437] close(15) = -1 EBADF (Bad file descriptor) [pid 437] close(16) = -1 EBADF (Bad file descriptor) [pid 437] close(17) = -1 EBADF (Bad file descriptor) [pid 437] close(18) = -1 EBADF (Bad file descriptor) [pid 437] close(19) = -1 EBADF (Bad file descriptor) [pid 437] close(20) = -1 EBADF (Bad file descriptor) [pid 437] close(21) = -1 EBADF (Bad file descriptor) [pid 437] close(22) = -1 EBADF (Bad file descriptor) [pid 437] close(23) = -1 EBADF (Bad file descriptor) [pid 437] close(24) = -1 EBADF (Bad file descriptor) [pid 437] close(25) = -1 EBADF (Bad file descriptor) [pid 437] close(26) = -1 EBADF (Bad file descriptor) [pid 437] close(27) = -1 EBADF (Bad file descriptor) [pid 437] close(28) = -1 EBADF (Bad file descriptor) [pid 437] close(29) = -1 EBADF (Bad file descriptor) [pid 437] exit_group(0) = ? [pid 438] <... futex resumed>) = ? [pid 438] +++ exited with 0 +++ [pid 437] +++ exited with 0 +++ [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=76, si_uid=0, si_status=0, si_utime=3, si_stime=10} --- [pid 310] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 310] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 310] ioctl(3, LOOP_CLR_FD) = 0 [pid 310] close(3) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555585fe7690) = 78 ./strace-static-x86_64: Process 439 attached [pid 439] set_robust_list(0x555585fe76a0, 24) = 0 [pid 439] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 439] setpgid(0, 0) = 0 [pid 439] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 439] write(3, "1000", 4) = 4 [pid 439] close(3) = 0 [pid 439] write(1, "executing program\n", 18executing program ) = 18 [pid 439] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 439] rt_sigaction(SIGRT_1, {sa_handler=0x7f7e761dd510, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7e761cebc0}, NULL, 8) = 0 [pid 439] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 439] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7e7614e000 [pid 439] mprotect(0x7f7e7614f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 439] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 439] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7e7616e990, parent_tid=0x7f7e7616e990, exit_signal=0, stack=0x7f7e7614e000, stack_size=0x20300, tls=0x7f7e7616e6c0} => {parent_tid=[79]}, 88) = 79 [pid 439] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 439] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 439] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 440 attached [pid 440] set_robust_list(0x7f7e7616e9a0, 24) = 0 [pid 440] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 440] memfd_create("syzkaller", 0) = 3 [pid 440] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7e6dd4e000 [pid 440] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119) = 20699119 [pid 440] munmap(0x7f7e6dd4e000, 138412032) = 0 [pid 440] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 440] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 440] ioctl(4, LOOP_CLR_FD) = 0 [pid 440] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 440] close(4) = 0 [pid 440] close(3) = 0 [pid 440] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 440] futex(0x7f7e76242728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 439] <... futex resumed>) = 0 [pid 439] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 439] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 440] <... futex resumed>) = 0 [pid 440] bind(-1, NULL, 0) = -1 EBADF (Bad file descriptor) [pid 440] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 439] <... futex resumed>) = 0 [pid 439] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000 [pid 440] <... futex resumed>) = 1 [pid 439] <... futex resumed>) = 0 [pid 440] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 439] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 440] <... socket resumed>) = 3 [pid 440] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 440] futex(0x7f7e76242728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 439] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 439] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 439] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 440] <... futex resumed>) = 0 [pid 440] ioctl(3, SIOCGIFINDEX, {ifr_name="veth0_vlan"}) = -1 ENODEV (No such device) [pid 440] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 439] <... futex resumed>) = 0 [pid 439] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 439] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 440] <... futex resumed>) = 1 [pid 440] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 4 [pid 440] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 439] <... futex resumed>) = 0 [pid 439] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 439] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 440] <... futex resumed>) = 1 [pid 440] ioctl(4, SIOCGIFINDEX, {ifr_name="vlan0"}) = -1 ENODEV (No such device) [pid 440] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 439] <... futex resumed>) = 0 [pid 440] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWCGROUP|CLONE_NEWPID|CLONE_NEWNET [pid 439] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 439] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 440] <... unshare resumed>) = 0 [pid 440] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 439] <... futex resumed>) = 0 [pid 439] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 439] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 440] <... futex resumed>) = 1 [pid 440] gettid() = 79 [pid 440] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 439] <... futex resumed>) = 0 [pid 439] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 439] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 440] <... futex resumed>) = 1 [pid 440] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x4f\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 40 [pid 440] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 439] <... futex resumed>) = 0 [pid 439] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 439] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 440] <... futex resumed>) = 1 [pid 440] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x4f\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 40 [pid 440] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 439] <... futex resumed>) = 0 [pid 439] close(3) = 0 [pid 439] close(4) = 0 [pid 439] close(5) = -1 EBADF (Bad file descriptor) [pid 439] close(6) = -1 EBADF (Bad file descriptor) [pid 439] close(7) = -1 EBADF (Bad file descriptor) [pid 439] close(8) = -1 EBADF (Bad file descriptor) [pid 439] close(9) = -1 EBADF (Bad file descriptor) [pid 439] close(10) = -1 EBADF (Bad file descriptor) [pid 439] close(11) = -1 EBADF (Bad file descriptor) [pid 439] close(12) = -1 EBADF (Bad file descriptor) [pid 439] close(13) = -1 EBADF (Bad file descriptor) [pid 439] close(14) = -1 EBADF (Bad file descriptor) [pid 439] close(15) = -1 EBADF (Bad file descriptor) [pid 439] close(16) = -1 EBADF (Bad file descriptor) [pid 439] close(17) = -1 EBADF (Bad file descriptor) [pid 439] close(18) = -1 EBADF (Bad file descriptor) [pid 439] close(19) = -1 EBADF (Bad file descriptor) [pid 439] close(20) = -1 EBADF (Bad file descriptor) [pid 439] close(21) = -1 EBADF (Bad file descriptor) [pid 439] close(22) = -1 EBADF (Bad file descriptor) [pid 439] close(23) = -1 EBADF (Bad file descriptor) [pid 439] close(24) = -1 EBADF (Bad file descriptor) [pid 439] close(25) = -1 EBADF (Bad file descriptor) [pid 439] close(26) = -1 EBADF (Bad file descriptor) [pid 439] close(27) = -1 EBADF (Bad file descriptor) [pid 439] close(28) = -1 EBADF (Bad file descriptor) [pid 439] close(29) = -1 EBADF (Bad file descriptor) [pid 439] exit_group(0) = ? [pid 440] <... futex resumed>) = ? [pid 440] +++ exited with 0 +++ [pid 439] +++ exited with 0 +++ [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=78, si_uid=0, si_status=0, si_utime=3, si_stime=12} --- [pid 310] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 310] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 310] ioctl(3, LOOP_CLR_FD) = 0 [pid 310] close(3) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555585fe7690) = 80 ./strace-static-x86_64: Process 442 attached [pid 442] set_robust_list(0x555585fe76a0, 24) = 0 [pid 442] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 442] setpgid(0, 0) = 0 [pid 442] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 442] write(3, "1000", 4) = 4 [pid 442] close(3) = 0 [pid 442] write(1, "executing program\n", 18executing program ) = 18 [pid 442] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 442] rt_sigaction(SIGRT_1, {sa_handler=0x7f7e761dd510, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7e761cebc0}, NULL, 8) = 0 [pid 442] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 442] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7e7614e000 [pid 442] mprotect(0x7f7e7614f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 442] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 442] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7e7616e990, parent_tid=0x7f7e7616e990, exit_signal=0, stack=0x7f7e7614e000, stack_size=0x20300, tls=0x7f7e7616e6c0} => {parent_tid=[81]}, 88) = 81 [pid 442] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 442] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 442] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 443 attached [pid 443] set_robust_list(0x7f7e7616e9a0, 24) = 0 [pid 443] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 443] memfd_create("syzkaller", 0) = 3 [pid 443] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7e6dd4e000 [pid 443] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119) = 20699119 [pid 443] munmap(0x7f7e6dd4e000, 138412032) = 0 [pid 443] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 443] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 443] ioctl(4, LOOP_CLR_FD) = 0 [pid 443] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 443] close(4) = 0 [pid 443] close(3) = 0 [pid 443] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 443] futex(0x7f7e76242728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 442] <... futex resumed>) = 0 [pid 442] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 442] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 443] <... futex resumed>) = 0 [pid 443] bind(-1, NULL, 0) = -1 EBADF (Bad file descriptor) [pid 443] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 442] <... futex resumed>) = 0 [pid 442] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 442] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 443] <... futex resumed>) = 1 [pid 443] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 443] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 442] <... futex resumed>) = 0 [pid 442] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 442] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 443] <... futex resumed>) = 1 [pid 443] ioctl(3, SIOCGIFINDEX, {ifr_name="veth0_vlan"}) = -1 ENODEV (No such device) [pid 443] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 442] <... futex resumed>) = 0 [pid 442] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 442] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 443] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 4 [pid 443] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 442] <... futex resumed>) = 0 [pid 442] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 442] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 443] <... futex resumed>) = 1 [pid 443] ioctl(4, SIOCGIFINDEX, {ifr_name="vlan0"}) = -1 ENODEV (No such device) [pid 443] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 442] <... futex resumed>) = 0 [pid 443] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWCGROUP|CLONE_NEWPID|CLONE_NEWNET [pid 442] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 442] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 443] <... unshare resumed>) = 0 [pid 443] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 443] futex(0x7f7e76242728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 442] <... futex resumed>) = 0 [pid 442] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 442] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 443] <... futex resumed>) = 0 [pid 443] gettid() = 81 [pid 443] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 442] <... futex resumed>) = 0 [pid 442] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 442] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 443] <... futex resumed>) = 1 [pid 443] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x51\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 40 [pid 443] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 442] <... futex resumed>) = 0 [pid 442] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 442] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 443] <... futex resumed>) = 1 [pid 443] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x51\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 40 [pid 443] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 442] <... futex resumed>) = 0 [pid 442] close(3) = 0 [pid 443] <... futex resumed>) = 1 [pid 442] close(4) = 0 [pid 442] close(5) = -1 EBADF (Bad file descriptor) [pid 442] close(6) = -1 EBADF (Bad file descriptor) [pid 442] close(7) = -1 EBADF (Bad file descriptor) [pid 442] close(8) = -1 EBADF (Bad file descriptor) [pid 442] close(9) = -1 EBADF (Bad file descriptor) [pid 442] close(10) = -1 EBADF (Bad file descriptor) [pid 442] close(11) = -1 EBADF (Bad file descriptor) [pid 442] close(12) = -1 EBADF (Bad file descriptor) [pid 442] close(13) = -1 EBADF (Bad file descriptor) [pid 442] close(14) = -1 EBADF (Bad file descriptor) [pid 442] close(15) = -1 EBADF (Bad file descriptor) [pid 442] close(16) = -1 EBADF (Bad file descriptor) [pid 442] close(17) = -1 EBADF (Bad file descriptor) [pid 442] close(18) = -1 EBADF (Bad file descriptor) [pid 442] close(19) = -1 EBADF (Bad file descriptor) [pid 442] close(20) = -1 EBADF (Bad file descriptor) [pid 442] close(21) = -1 EBADF (Bad file descriptor) [pid 442] close(22) = -1 EBADF (Bad file descriptor) [pid 442] close(23) = -1 EBADF (Bad file descriptor) [pid 442] close(24) = -1 EBADF (Bad file descriptor) [pid 442] close(25) = -1 EBADF (Bad file descriptor) [pid 442] close(26) = -1 EBADF (Bad file descriptor) [pid 442] close(27) = -1 EBADF (Bad file descriptor) [pid 442] close(28) = -1 EBADF (Bad file descriptor) [pid 442] close(29) = -1 EBADF (Bad file descriptor) [pid 442] exit_group(0) = ? [pid 443] +++ exited with 0 +++ [pid 442] +++ exited with 0 +++ [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=80, si_uid=0, si_status=0, si_utime=3, si_stime=11} --- [pid 310] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 310] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 310] ioctl(3, LOOP_CLR_FD) = 0 executing program [pid 310] close(3) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555585fe7690) = 82 ./strace-static-x86_64: Process 444 attached [pid 444] set_robust_list(0x555585fe76a0, 24) = 0 [pid 444] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 444] setpgid(0, 0) = 0 [pid 444] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 444] write(3, "1000", 4) = 4 [pid 444] close(3) = 0 [pid 444] write(1, "executing program\n", 18) = 18 [pid 444] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 444] rt_sigaction(SIGRT_1, {sa_handler=0x7f7e761dd510, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7e761cebc0}, NULL, 8) = 0 [pid 444] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 444] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7e7614e000 [pid 444] mprotect(0x7f7e7614f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 444] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 444] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7e7616e990, parent_tid=0x7f7e7616e990, exit_signal=0, stack=0x7f7e7614e000, stack_size=0x20300, tls=0x7f7e7616e6c0} => {parent_tid=[83]}, 88) = 83 [pid 444] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 444] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 444] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 445 attached [pid 445] set_robust_list(0x7f7e7616e9a0, 24) = 0 [pid 445] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 445] memfd_create("syzkaller", 0) = 3 [pid 445] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7e6dd4e000 [pid 445] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119) = 20699119 [pid 445] munmap(0x7f7e6dd4e000, 138412032) = 0 [pid 445] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 445] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 445] ioctl(4, LOOP_CLR_FD) = 0 [pid 445] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 445] close(4) = 0 [pid 445] close(3) = 0 [pid 445] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 444] <... futex resumed>) = 0 [pid 445] futex(0x7f7e76242728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 444] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 444] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 445] <... futex resumed>) = 0 [pid 445] bind(-1, NULL, 0) = -1 EBADF (Bad file descriptor) [pid 445] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 444] <... futex resumed>) = 0 [pid 444] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 444] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 445] <... futex resumed>) = 1 [pid 445] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 445] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 444] <... futex resumed>) = 0 [pid 445] ioctl(3, SIOCGIFINDEX, {ifr_name="veth0_vlan" [pid 444] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 445] <... ioctl resumed>}) = -1 ENODEV (No such device) [pid 445] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 444] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 445] <... futex resumed>) = 0 [pid 444] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 444] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 444] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 445] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 4 [pid 445] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 444] <... futex resumed>) = 0 [pid 444] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 444] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 445] ioctl(4, SIOCGIFINDEX, {ifr_name="vlan0"}) = -1 ENODEV (No such device) [pid 445] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 444] <... futex resumed>) = 0 [pid 444] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 444] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 445] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWCGROUP|CLONE_NEWPID|CLONE_NEWNET) = 0 [pid 445] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 444] <... futex resumed>) = 0 [pid 444] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 444] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 445] gettid() = 83 [pid 445] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 444] <... futex resumed>) = 0 [pid 444] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 444] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 445] <... futex resumed>) = 1 [pid 445] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x53\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 40 [pid 445] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 444] <... futex resumed>) = 0 [pid 444] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 444] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 445] <... futex resumed>) = 1 [pid 445] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x53\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 40 [pid 445] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 444] <... futex resumed>) = 0 [pid 444] close(3) = 0 [pid 444] close(4) = 0 [pid 444] close(5) = -1 EBADF (Bad file descriptor) [pid 444] close(6) = -1 EBADF (Bad file descriptor) [pid 444] close(7) = -1 EBADF (Bad file descriptor) [pid 444] close(8) = -1 EBADF (Bad file descriptor) [pid 444] close(9) = -1 EBADF (Bad file descriptor) [pid 444] close(10) = -1 EBADF (Bad file descriptor) [pid 444] close(11) = -1 EBADF (Bad file descriptor) [pid 444] close(12) = -1 EBADF (Bad file descriptor) [pid 444] close(13) = -1 EBADF (Bad file descriptor) [pid 444] close(14) = -1 EBADF (Bad file descriptor) [pid 444] close(15) = -1 EBADF (Bad file descriptor) [pid 444] close(16) = -1 EBADF (Bad file descriptor) [pid 444] close(17) = -1 EBADF (Bad file descriptor) [pid 444] close(18) = -1 EBADF (Bad file descriptor) [pid 444] close(19) = -1 EBADF (Bad file descriptor) [pid 444] close(20) = -1 EBADF (Bad file descriptor) [pid 444] close(21) = -1 EBADF (Bad file descriptor) [pid 444] close(22) = -1 EBADF (Bad file descriptor) [pid 444] close(23) = -1 EBADF (Bad file descriptor) [pid 444] close(24) = -1 EBADF (Bad file descriptor) [pid 444] close(25) = -1 EBADF (Bad file descriptor) [pid 444] close(26) = -1 EBADF (Bad file descriptor) [pid 444] close(27) = -1 EBADF (Bad file descriptor) [pid 444] close(28) = -1 EBADF (Bad file descriptor) [pid 444] close(29) = -1 EBADF (Bad file descriptor) [pid 444] exit_group(0) = ? [pid 445] <... futex resumed>) = ? [pid 445] +++ exited with 0 +++ [pid 444] +++ exited with 0 +++ [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=82, si_uid=0, si_status=0, si_utime=5, si_stime=10} --- [pid 310] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 310] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 310] ioctl(3, LOOP_CLR_FD) = 0 [pid 310] close(3) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555585fe7690) = 84 ./strace-static-x86_64: Process 446 attached [pid 446] set_robust_list(0x555585fe76a0, 24) = 0 [pid 446] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 446] setpgid(0, 0) = 0 [pid 446] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 446] write(3, "1000", 4) = 4 [pid 446] close(3) = 0 [pid 446] write(1, "executing program\n", 18executing program ) = 18 [pid 446] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 446] rt_sigaction(SIGRT_1, {sa_handler=0x7f7e761dd510, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7e761cebc0}, NULL, 8) = 0 [pid 446] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 446] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7e7614e000 [pid 446] mprotect(0x7f7e7614f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 446] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 446] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7e7616e990, parent_tid=0x7f7e7616e990, exit_signal=0, stack=0x7f7e7614e000, stack_size=0x20300, tls=0x7f7e7616e6c0} => {parent_tid=[85]}, 88) = 85 [pid 446] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 446] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 446] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 447 attached [pid 447] set_robust_list(0x7f7e7616e9a0, 24) = 0 [pid 447] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 447] memfd_create("syzkaller", 0) = 3 [pid 447] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7e6dd4e000 [pid 447] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119) = 20699119 [pid 447] munmap(0x7f7e6dd4e000, 138412032) = 0 [pid 447] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 447] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 447] ioctl(4, LOOP_CLR_FD) = 0 [pid 447] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 447] close(4) = 0 [pid 447] close(3) = 0 [pid 447] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 447] futex(0x7f7e76242728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 446] <... futex resumed>) = 0 [pid 446] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 446] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 447] <... futex resumed>) = 0 [pid 447] bind(-1, NULL, 0) = -1 EBADF (Bad file descriptor) [pid 447] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 446] <... futex resumed>) = 0 [pid 446] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 446] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 447] <... futex resumed>) = 1 [pid 447] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 447] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 446] <... futex resumed>) = 0 [pid 446] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000 [pid 447] ioctl(3, SIOCGIFINDEX, {ifr_name="veth0_vlan" [pid 446] <... futex resumed>) = 0 [pid 446] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 447] <... ioctl resumed>}) = -1 ENODEV (No such device) [pid 447] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 446] <... futex resumed>) = 0 [pid 446] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 446] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 447] <... futex resumed>) = 1 [pid 447] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 4 [pid 447] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 446] <... futex resumed>) = 0 [pid 447] <... futex resumed>) = 1 [pid 446] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 446] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 447] ioctl(4, SIOCGIFINDEX, {ifr_name="vlan0"}) = -1 ENODEV (No such device) [pid 447] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 446] <... futex resumed>) = 0 [pid 446] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 446] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 447] <... futex resumed>) = 1 [pid 447] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWCGROUP|CLONE_NEWPID|CLONE_NEWNET) = 0 [pid 447] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 446] <... futex resumed>) = 0 [pid 446] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 446] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 447] gettid() = 85 [pid 447] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 446] <... futex resumed>) = 0 [pid 447] <... futex resumed>) = 1 [pid 446] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 446] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 447] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x55\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 40 [pid 447] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 447] futex(0x7f7e76242728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 446] <... futex resumed>) = 0 [pid 446] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 446] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 447] <... futex resumed>) = 0 [pid 447] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x55\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 40 [pid 447] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 446] <... futex resumed>) = 0 [pid 446] close(3) = 0 [pid 446] close(4) = 0 [pid 447] <... futex resumed>) = 1 [pid 446] close(5) = -1 EBADF (Bad file descriptor) [pid 447] futex(0x7f7e76242728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 446] close(6) = -1 EBADF (Bad file descriptor) [pid 446] close(7) = -1 EBADF (Bad file descriptor) [pid 446] close(8) = -1 EBADF (Bad file descriptor) [pid 446] close(9) = -1 EBADF (Bad file descriptor) [pid 446] close(10) = -1 EBADF (Bad file descriptor) [pid 446] close(11) = -1 EBADF (Bad file descriptor) [pid 446] close(12) = -1 EBADF (Bad file descriptor) [pid 446] close(13) = -1 EBADF (Bad file descriptor) [pid 446] close(14) = -1 EBADF (Bad file descriptor) [pid 446] close(15) = -1 EBADF (Bad file descriptor) [pid 446] close(16) = -1 EBADF (Bad file descriptor) [pid 446] close(17) = -1 EBADF (Bad file descriptor) [pid 446] close(18) = -1 EBADF (Bad file descriptor) [pid 446] close(19) = -1 EBADF (Bad file descriptor) [pid 446] close(20) = -1 EBADF (Bad file descriptor) [pid 446] close(21) = -1 EBADF (Bad file descriptor) [pid 446] close(22) = -1 EBADF (Bad file descriptor) [pid 446] close(23) = -1 EBADF (Bad file descriptor) [pid 446] close(24) = -1 EBADF (Bad file descriptor) [pid 446] close(25) = -1 EBADF (Bad file descriptor) [pid 446] close(26) = -1 EBADF (Bad file descriptor) [pid 446] close(27) = -1 EBADF (Bad file descriptor) [pid 446] close(28) = -1 EBADF (Bad file descriptor) [pid 446] close(29) = -1 EBADF (Bad file descriptor) [pid 446] exit_group(0 [pid 447] <... futex resumed>) = ? [pid 446] <... exit_group resumed>) = ? [pid 447] +++ exited with 0 +++ [pid 446] +++ exited with 0 +++ [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=84, si_uid=0, si_status=0, si_utime=3, si_stime=11} --- [pid 310] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 310] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 310] ioctl(3, LOOP_CLR_FD) = 0 [pid 310] close(3) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555585fe7690) = 86 ./strace-static-x86_64: Process 448 attached [pid 448] set_robust_list(0x555585fe76a0, 24) = 0 [pid 448] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 448] setpgid(0, 0) = 0 [pid 448] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 448] write(3, "1000", 4) = 4 [pid 448] close(3) = 0 [pid 448] write(1, "executing program\n", 18executing program ) = 18 [pid 448] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 448] rt_sigaction(SIGRT_1, {sa_handler=0x7f7e761dd510, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7e761cebc0}, NULL, 8) = 0 [pid 448] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 448] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7e7614e000 [pid 448] mprotect(0x7f7e7614f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 448] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 448] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7e7616e990, parent_tid=0x7f7e7616e990, exit_signal=0, stack=0x7f7e7614e000, stack_size=0x20300, tls=0x7f7e7616e6c0}./strace-static-x86_64: Process 449 attached => {parent_tid=[87]}, 88) = 87 [pid 449] set_robust_list(0x7f7e7616e9a0, 24 [pid 448] rt_sigprocmask(SIG_SETMASK, [], [pid 449] <... set_robust_list resumed>) = 0 [pid 448] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 449] rt_sigprocmask(SIG_SETMASK, [], [pid 448] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000 [pid 449] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 448] <... futex resumed>) = 0 [pid 448] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 449] memfd_create("syzkaller", 0) = 3 [pid 449] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7e6dd4e000 [pid 449] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119) = 20699119 [pid 449] munmap(0x7f7e6dd4e000, 138412032) = 0 [pid 449] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 449] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 449] ioctl(4, LOOP_CLR_FD) = 0 [pid 449] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 449] close(4) = 0 [pid 449] close(3) = 0 [pid 449] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 448] <... futex resumed>) = 0 [pid 448] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 448] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 449] <... futex resumed>) = 1 [pid 449] bind(-1, NULL, 0) = -1 EBADF (Bad file descriptor) [pid 449] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 448] <... futex resumed>) = 0 [pid 448] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 448] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 449] <... futex resumed>) = 1 [pid 449] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 449] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 449] futex(0x7f7e76242728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 448] <... futex resumed>) = 0 [pid 448] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 448] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 449] <... futex resumed>) = 0 [pid 449] ioctl(3, SIOCGIFINDEX, {ifr_name="veth0_vlan"}) = -1 ENODEV (No such device) [pid 449] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 448] <... futex resumed>) = 0 [pid 448] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 448] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 449] <... futex resumed>) = 1 [pid 449] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 4 [pid 449] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 448] <... futex resumed>) = 0 [pid 448] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 448] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 449] <... futex resumed>) = 1 [pid 449] ioctl(4, SIOCGIFINDEX, {ifr_name="vlan0"}) = -1 ENODEV (No such device) [pid 449] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 448] <... futex resumed>) = 0 [pid 448] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 448] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 449] <... futex resumed>) = 1 [pid 449] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWCGROUP|CLONE_NEWPID|CLONE_NEWNET) = 0 [pid 449] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 448] <... futex resumed>) = 0 [pid 448] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 448] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 449] <... futex resumed>) = 1 [pid 449] gettid() = 87 [pid 449] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 448] <... futex resumed>) = 0 [pid 448] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 448] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 449] <... futex resumed>) = 1 [pid 449] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x57\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 40 [pid 449] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 448] <... futex resumed>) = 0 [pid 448] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 448] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 449] <... futex resumed>) = 1 [pid 449] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x57\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 40 [pid 449] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 448] <... futex resumed>) = 0 [pid 448] close(3) = 0 [pid 448] close(4) = 0 [pid 448] close(5) = -1 EBADF (Bad file descriptor) [pid 448] close(6) = -1 EBADF (Bad file descriptor) [pid 448] close(7) = -1 EBADF (Bad file descriptor) [pid 448] close(8) = -1 EBADF (Bad file descriptor) [pid 448] close(9) = -1 EBADF (Bad file descriptor) [pid 448] close(10) = -1 EBADF (Bad file descriptor) [pid 448] close(11) = -1 EBADF (Bad file descriptor) [pid 448] close(12) = -1 EBADF (Bad file descriptor) [pid 448] close(13) = -1 EBADF (Bad file descriptor) [pid 448] close(14) = -1 EBADF (Bad file descriptor) [pid 448] close(15) = -1 EBADF (Bad file descriptor) [pid 448] close(16) = -1 EBADF (Bad file descriptor) [pid 448] close(17) = -1 EBADF (Bad file descriptor) [pid 448] close(18) = -1 EBADF (Bad file descriptor) [pid 448] close(19) = -1 EBADF (Bad file descriptor) [pid 448] close(20) = -1 EBADF (Bad file descriptor) [pid 448] close(21) = -1 EBADF (Bad file descriptor) [pid 448] close(22) = -1 EBADF (Bad file descriptor) [pid 448] close(23) = -1 EBADF (Bad file descriptor) [pid 448] close(24) = -1 EBADF (Bad file descriptor) [pid 448] close(25) = -1 EBADF (Bad file descriptor) [pid 448] close(26) = -1 EBADF (Bad file descriptor) [pid 448] close(27) = -1 EBADF (Bad file descriptor) [pid 448] close(28) = -1 EBADF (Bad file descriptor) [pid 448] close(29) = -1 EBADF (Bad file descriptor) [pid 448] exit_group(0) = ? [pid 449] <... futex resumed>) = ? [pid 449] +++ exited with 0 +++ [pid 448] +++ exited with 0 +++ [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=86, si_uid=0, si_status=0, si_utime=5, si_stime=8} --- [pid 310] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 310] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 310] ioctl(3, LOOP_CLR_FD) = 0 [pid 310] close(3executing program ) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555585fe7690) = 88 ./strace-static-x86_64: Process 450 attached [pid 450] set_robust_list(0x555585fe76a0, 24) = 0 [pid 450] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 450] setpgid(0, 0) = 0 [pid 450] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 450] write(3, "1000", 4) = 4 [pid 450] close(3) = 0 [pid 450] write(1, "executing program\n", 18) = 18 [pid 450] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 450] rt_sigaction(SIGRT_1, {sa_handler=0x7f7e761dd510, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7e761cebc0}, NULL, 8) = 0 [pid 450] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 450] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7e7614e000 [pid 450] mprotect(0x7f7e7614f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 450] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 450] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7e7616e990, parent_tid=0x7f7e7616e990, exit_signal=0, stack=0x7f7e7614e000, stack_size=0x20300, tls=0x7f7e7616e6c0} => {parent_tid=[89]}, 88) = 89 [pid 450] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 450] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 450] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 451 attached [pid 451] set_robust_list(0x7f7e7616e9a0, 24) = 0 [pid 451] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 451] memfd_create("syzkaller", 0) = 3 [pid 451] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7e6dd4e000 [pid 451] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119) = 20699119 [pid 451] munmap(0x7f7e6dd4e000, 138412032) = 0 [pid 451] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 451] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 451] ioctl(4, LOOP_CLR_FD) = 0 [pid 451] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 451] close(4) = 0 [pid 451] close(3) = 0 [pid 451] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 450] <... futex resumed>) = 0 [pid 450] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 450] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 451] <... futex resumed>) = 1 [pid 451] bind(-1, NULL, 0) = -1 EBADF (Bad file descriptor) [pid 451] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 450] <... futex resumed>) = 0 [pid 450] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 450] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 451] <... futex resumed>) = 1 [pid 451] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 451] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 450] <... futex resumed>) = 0 [pid 451] futex(0x7f7e76242728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 450] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000 [pid 451] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 451] ioctl(3, SIOCGIFINDEX, {ifr_name="veth0_vlan"}) = -1 ENODEV (No such device) [pid 451] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 450] <... futex resumed>) = 0 [pid 451] futex(0x7f7e76242728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 450] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 450] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000 [pid 451] <... futex resumed>) = 0 [pid 450] <... futex resumed>) = 1 [pid 450] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 451] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 4 [pid 451] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 450] <... futex resumed>) = 0 [pid 451] ioctl(4, SIOCGIFINDEX, {ifr_name="vlan0" [pid 450] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 450] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 451] <... ioctl resumed>}) = -1 ENODEV (No such device) [pid 451] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 450] <... futex resumed>) = 0 [pid 451] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWCGROUP|CLONE_NEWPID|CLONE_NEWNET [pid 450] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 450] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 451] <... unshare resumed>) = 0 [pid 451] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 450] <... futex resumed>) = 0 [pid 450] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 450] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 451] <... futex resumed>) = 1 [pid 451] gettid() = 89 [pid 451] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 450] <... futex resumed>) = 0 [pid 450] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 450] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 451] <... futex resumed>) = 1 [pid 451] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x59\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 40 [pid 451] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 450] <... futex resumed>) = 0 [pid 450] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 450] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 451] <... futex resumed>) = 1 [pid 451] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x59\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 40 [pid 451] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 450] <... futex resumed>) = 0 [pid 450] close(3) = 0 [pid 450] close(4) = 0 [pid 450] close(5) = -1 EBADF (Bad file descriptor) [pid 450] close(6) = -1 EBADF (Bad file descriptor) [pid 450] close(7) = -1 EBADF (Bad file descriptor) [pid 450] close(8) = -1 EBADF (Bad file descriptor) [pid 450] close(9) = -1 EBADF (Bad file descriptor) [pid 450] close(10) = -1 EBADF (Bad file descriptor) [pid 450] close(11) = -1 EBADF (Bad file descriptor) [pid 450] close(12) = -1 EBADF (Bad file descriptor) [pid 450] close(13) = -1 EBADF (Bad file descriptor) [pid 450] close(14) = -1 EBADF (Bad file descriptor) [pid 450] close(15) = -1 EBADF (Bad file descriptor) [pid 450] close(16) = -1 EBADF (Bad file descriptor) [pid 450] close(17) = -1 EBADF (Bad file descriptor) [pid 450] close(18) = -1 EBADF (Bad file descriptor) [pid 450] close(19) = -1 EBADF (Bad file descriptor) [pid 450] close(20) = -1 EBADF (Bad file descriptor) [pid 450] close(21) = -1 EBADF (Bad file descriptor) [pid 450] close(22) = -1 EBADF (Bad file descriptor) [pid 450] close(23) = -1 EBADF (Bad file descriptor) [pid 450] close(24) = -1 EBADF (Bad file descriptor) [pid 450] close(25) = -1 EBADF (Bad file descriptor) [pid 450] close(26) = -1 EBADF (Bad file descriptor) [pid 450] close(27) = -1 EBADF (Bad file descriptor) [pid 450] close(28) = -1 EBADF (Bad file descriptor) [pid 450] close(29) = -1 EBADF (Bad file descriptor) [pid 450] exit_group(0) = ? [pid 451] <... futex resumed>) = ? [pid 451] +++ exited with 0 +++ [pid 450] +++ exited with 0 +++ [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=88, si_uid=0, si_status=0, si_utime=5, si_stime=10} --- [pid 310] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 310] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 310] ioctl(3, LOOP_CLR_FD) = 0 [pid 310] close(3) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555585fe7690) = 90 ./strace-static-x86_64: Process 453 attached [pid 453] set_robust_list(0x555585fe76a0, 24) = 0 [pid 453] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 453] setpgid(0, 0) = 0 [pid 453] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 453] write(3, "1000", 4) = 4 [pid 453] close(3) = 0 [pid 453] write(1, "executing program\n", 18executing program ) = 18 [pid 453] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 453] rt_sigaction(SIGRT_1, {sa_handler=0x7f7e761dd510, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7e761cebc0}, NULL, 8) = 0 [pid 453] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 453] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7e7614e000 [pid 453] mprotect(0x7f7e7614f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 453] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 453] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7e7616e990, parent_tid=0x7f7e7616e990, exit_signal=0, stack=0x7f7e7614e000, stack_size=0x20300, tls=0x7f7e7616e6c0} => {parent_tid=[91]}, 88) = 91 [pid 453] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 453] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 453] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 454 attached [pid 454] set_robust_list(0x7f7e7616e9a0, 24) = 0 [pid 454] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 454] memfd_create("syzkaller", 0) = 3 [pid 454] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7e6dd4e000 [pid 454] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119) = 20699119 [pid 454] munmap(0x7f7e6dd4e000, 138412032) = 0 [pid 454] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 454] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 454] ioctl(4, LOOP_CLR_FD) = 0 [pid 454] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 454] close(4) = 0 [pid 454] close(3) = 0 [pid 454] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 453] <... futex resumed>) = 0 [pid 454] bind(-1, NULL, 0 [pid 453] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000 [pid 454] <... bind resumed>) = -1 EBADF (Bad file descriptor) [pid 454] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 454] futex(0x7f7e76242728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 453] <... futex resumed>) = 1 [pid 453] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 453] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 453] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 454] <... futex resumed>) = 0 [pid 454] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 454] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 453] <... futex resumed>) = 0 [pid 454] ioctl(3, SIOCGIFINDEX, {ifr_name="veth0_vlan" [pid 453] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 454] <... ioctl resumed>}) = -1 ENODEV (No such device) [pid 454] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 453] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 454] <... futex resumed>) = 0 [pid 453] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 454] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 453] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 453] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 454] <... socket resumed>) = 4 [pid 454] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 454] futex(0x7f7e76242728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 453] <... futex resumed>) = 0 [pid 453] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 454] <... futex resumed>) = 0 [pid 453] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 454] ioctl(4, SIOCGIFINDEX, {ifr_name="vlan0"}) = -1 ENODEV (No such device) [pid 454] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 453] <... futex resumed>) = 0 [pid 454] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWCGROUP|CLONE_NEWPID|CLONE_NEWNET [pid 453] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 453] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 454] <... unshare resumed>) = 0 [pid 454] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 453] <... futex resumed>) = 0 [pid 453] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 453] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 454] <... futex resumed>) = 1 [pid 454] gettid() = 91 [pid 454] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 453] <... futex resumed>) = 0 [pid 454] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x5b\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 453] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 453] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 454] <... sendmsg resumed>) = 40 [pid 454] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 453] <... futex resumed>) = 0 [pid 454] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x5b\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 453] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 453] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 454] <... sendmsg resumed>) = 40 [pid 454] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 453] <... futex resumed>) = 0 [pid 454] futex(0x7f7e76242728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 453] close(3) = 0 [pid 453] close(4) = 0 [pid 453] close(5) = -1 EBADF (Bad file descriptor) [pid 453] close(6) = -1 EBADF (Bad file descriptor) [pid 453] close(7) = -1 EBADF (Bad file descriptor) [pid 453] close(8) = -1 EBADF (Bad file descriptor) [pid 453] close(9) = -1 EBADF (Bad file descriptor) [pid 453] close(10) = -1 EBADF (Bad file descriptor) [pid 453] close(11) = -1 EBADF (Bad file descriptor) [pid 453] close(12) = -1 EBADF (Bad file descriptor) [pid 453] close(13) = -1 EBADF (Bad file descriptor) [pid 453] close(14) = -1 EBADF (Bad file descriptor) [pid 453] close(15) = -1 EBADF (Bad file descriptor) [pid 453] close(16) = -1 EBADF (Bad file descriptor) [pid 453] close(17) = -1 EBADF (Bad file descriptor) [pid 453] close(18) = -1 EBADF (Bad file descriptor) [pid 453] close(19) = -1 EBADF (Bad file descriptor) [pid 453] close(20) = -1 EBADF (Bad file descriptor) [pid 453] close(21) = -1 EBADF (Bad file descriptor) [pid 453] close(22) = -1 EBADF (Bad file descriptor) [pid 453] close(23) = -1 EBADF (Bad file descriptor) [pid 453] close(24) = -1 EBADF (Bad file descriptor) [pid 453] close(25) = -1 EBADF (Bad file descriptor) [pid 453] close(26) = -1 EBADF (Bad file descriptor) [pid 453] close(27) = -1 EBADF (Bad file descriptor) [pid 453] close(28) = -1 EBADF (Bad file descriptor) [pid 453] close(29) = -1 EBADF (Bad file descriptor) [pid 453] exit_group(0) = ? [pid 454] <... futex resumed>) = ? [pid 454] +++ exited with 0 +++ [pid 453] +++ exited with 0 +++ [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=90, si_uid=0, si_status=0, si_utime=5, si_stime=8} --- [pid 310] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 310] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 310] ioctl(3, LOOP_CLR_FD) = 0 [pid 310] close(3executing program ) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555585fe7690) = 92 ./strace-static-x86_64: Process 455 attached [pid 455] set_robust_list(0x555585fe76a0, 24) = 0 [pid 455] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 455] setpgid(0, 0) = 0 [pid 455] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 455] write(3, "1000", 4) = 4 [pid 455] close(3) = 0 [pid 455] write(1, "executing program\n", 18) = 18 [pid 455] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 455] rt_sigaction(SIGRT_1, {sa_handler=0x7f7e761dd510, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7e761cebc0}, NULL, 8) = 0 [pid 455] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 455] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7e7614e000 [pid 455] mprotect(0x7f7e7614f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 455] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 455] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7e7616e990, parent_tid=0x7f7e7616e990, exit_signal=0, stack=0x7f7e7614e000, stack_size=0x20300, tls=0x7f7e7616e6c0} => {parent_tid=[93]}, 88) = 93 [pid 455] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 455] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 455] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 456 attached [pid 456] set_robust_list(0x7f7e7616e9a0, 24) = 0 [pid 456] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 456] memfd_create("syzkaller", 0) = 3 [pid 456] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7e6dd4e000 [pid 456] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119) = 20699119 [pid 456] munmap(0x7f7e6dd4e000, 138412032) = 0 [pid 456] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 456] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 456] ioctl(4, LOOP_CLR_FD) = 0 [pid 456] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 456] close(4) = 0 [pid 456] close(3) = 0 [pid 456] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 455] <... futex resumed>) = 0 [pid 455] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 455] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 456] <... futex resumed>) = 1 [pid 456] bind(-1, NULL, 0) = -1 EBADF (Bad file descriptor) [pid 456] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 455] <... futex resumed>) = 0 [pid 455] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 455] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 456] <... futex resumed>) = 1 [pid 456] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 456] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 456] futex(0x7f7e76242728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 455] <... futex resumed>) = 0 [pid 455] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 455] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 456] <... futex resumed>) = 0 [pid 456] ioctl(3, SIOCGIFINDEX, {ifr_name="veth0_vlan"}) = -1 ENODEV (No such device) [pid 456] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 455] <... futex resumed>) = 0 [pid 455] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 455] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 456] <... futex resumed>) = 1 [pid 456] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 4 [pid 456] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 455] <... futex resumed>) = 0 [pid 455] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 455] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 456] <... futex resumed>) = 1 [pid 456] ioctl(4, SIOCGIFINDEX, {ifr_name="vlan0"}) = -1 ENODEV (No such device) [pid 456] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 455] <... futex resumed>) = 0 [pid 455] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 455] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 456] <... futex resumed>) = 1 [pid 456] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWCGROUP|CLONE_NEWPID|CLONE_NEWNET) = 0 [pid 456] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 455] <... futex resumed>) = 0 [pid 456] gettid( [pid 455] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000 [pid 456] <... gettid resumed>) = 93 [pid 456] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 455] <... futex resumed>) = 0 [pid 456] <... futex resumed>) = 0 [pid 455] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 456] futex(0x7f7e76242728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 455] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 456] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 455] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000 [pid 456] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x5d\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 455] <... futex resumed>) = 0 [pid 455] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 456] <... sendmsg resumed>) = 40 [pid 456] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 455] <... futex resumed>) = 0 [pid 456] <... futex resumed>) = 1 [pid 455] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 455] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 456] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x5d\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 40 [pid 456] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 455] <... futex resumed>) = 0 [pid 456] futex(0x7f7e76242728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 455] close(3) = 0 [pid 455] close(4) = 0 [pid 455] close(5) = -1 EBADF (Bad file descriptor) [pid 455] close(6) = -1 EBADF (Bad file descriptor) [pid 455] close(7) = -1 EBADF (Bad file descriptor) [pid 455] close(8) = -1 EBADF (Bad file descriptor) [pid 455] close(9) = -1 EBADF (Bad file descriptor) [pid 455] close(10) = -1 EBADF (Bad file descriptor) [pid 455] close(11) = -1 EBADF (Bad file descriptor) [pid 455] close(12) = -1 EBADF (Bad file descriptor) [pid 455] close(13) = -1 EBADF (Bad file descriptor) [pid 455] close(14) = -1 EBADF (Bad file descriptor) [pid 455] close(15) = -1 EBADF (Bad file descriptor) [pid 455] close(16) = -1 EBADF (Bad file descriptor) [pid 455] close(17) = -1 EBADF (Bad file descriptor) [pid 455] close(18) = -1 EBADF (Bad file descriptor) [pid 455] close(19) = -1 EBADF (Bad file descriptor) [pid 455] close(20) = -1 EBADF (Bad file descriptor) [pid 455] close(21) = -1 EBADF (Bad file descriptor) [pid 455] close(22) = -1 EBADF (Bad file descriptor) [pid 455] close(23) = -1 EBADF (Bad file descriptor) [pid 455] close(24) = -1 EBADF (Bad file descriptor) [pid 455] close(25) = -1 EBADF (Bad file descriptor) [pid 455] close(26) = -1 EBADF (Bad file descriptor) [pid 455] close(27) = -1 EBADF (Bad file descriptor) [pid 455] close(28) = -1 EBADF (Bad file descriptor) [pid 455] close(29) = -1 EBADF (Bad file descriptor) [pid 455] exit_group(0) = ? [pid 456] <... futex resumed>) = ? [pid 456] +++ exited with 0 +++ [pid 455] +++ exited with 0 +++ [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=92, si_uid=0, si_status=0, si_utime=3, si_stime=10} --- [pid 310] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 310] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 310] ioctl(3, LOOP_CLR_FD) = 0 [pid 310] close(3) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555585fe7690) = 94 ./strace-static-x86_64: Process 457 attached [pid 457] set_robust_list(0x555585fe76a0, 24) = 0 [pid 457] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 457] setpgid(0, 0) = 0 [pid 457] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 457] write(3, "1000", 4) = 4 [pid 457] close(3) = 0 [pid 457] write(1, "executing program\n", 18executing program ) = 18 [pid 457] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 457] rt_sigaction(SIGRT_1, {sa_handler=0x7f7e761dd510, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7e761cebc0}, NULL, 8) = 0 [pid 457] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 457] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7e7614e000 [pid 457] mprotect(0x7f7e7614f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 457] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 457] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7e7616e990, parent_tid=0x7f7e7616e990, exit_signal=0, stack=0x7f7e7614e000, stack_size=0x20300, tls=0x7f7e7616e6c0}./strace-static-x86_64: Process 458 attached => {parent_tid=[95]}, 88) = 95 [pid 458] set_robust_list(0x7f7e7616e9a0, 24) = 0 [pid 458] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 458] futex(0x7f7e76242728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 457] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 457] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 458] <... futex resumed>) = 0 [pid 458] memfd_create("syzkaller", 0 [pid 457] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 458] <... memfd_create resumed>) = 3 [pid 458] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7e6dd4e000 [pid 458] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119) = 20699119 [pid 458] munmap(0x7f7e6dd4e000, 138412032) = 0 [pid 458] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 458] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 458] ioctl(4, LOOP_CLR_FD) = 0 [pid 458] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 458] close(4) = 0 [pid 458] close(3) = 0 [pid 458] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 458] futex(0x7f7e76242728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 457] <... futex resumed>) = 0 [pid 457] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 457] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 458] <... futex resumed>) = 0 [pid 458] bind(-1, NULL, 0) = -1 EBADF (Bad file descriptor) [pid 458] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 457] <... futex resumed>) = 0 [pid 457] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 457] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 458] <... futex resumed>) = 1 [pid 458] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 458] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 457] <... futex resumed>) = 0 [pid 457] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 457] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 458] <... futex resumed>) = 1 [pid 458] ioctl(3, SIOCGIFINDEX, {ifr_name="veth0_vlan"}) = -1 ENODEV (No such device) [pid 458] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 457] <... futex resumed>) = 0 [pid 458] <... futex resumed>) = 1 [pid 457] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 457] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 458] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 4 [pid 458] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 457] <... futex resumed>) = 0 [pid 457] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 457] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 458] <... futex resumed>) = 1 [pid 458] ioctl(4, SIOCGIFINDEX, {ifr_name="vlan0"}) = -1 ENODEV (No such device) [pid 458] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 457] <... futex resumed>) = 0 [pid 457] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 457] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 458] <... futex resumed>) = 1 [pid 458] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWCGROUP|CLONE_NEWPID|CLONE_NEWNET) = 0 [pid 458] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 457] <... futex resumed>) = 0 [pid 458] <... futex resumed>) = 1 [pid 458] futex(0x7f7e76242728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 457] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 457] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 458] <... futex resumed>) = 0 [pid 458] gettid() = 95 [pid 458] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 457] <... futex resumed>) = 0 [pid 457] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 457] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 458] <... futex resumed>) = 1 [pid 458] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x5f\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 40 [pid 458] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 457] <... futex resumed>) = 0 [pid 457] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 457] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 458] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x5f\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 40 [pid 458] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 457] <... futex resumed>) = 0 [pid 457] close(3) = 0 [pid 457] close(4) = 0 [pid 458] futex(0x7f7e76242728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 457] close(5) = -1 EBADF (Bad file descriptor) [pid 457] close(6) = -1 EBADF (Bad file descriptor) [pid 457] close(7) = -1 EBADF (Bad file descriptor) [pid 457] close(8) = -1 EBADF (Bad file descriptor) [pid 457] close(9) = -1 EBADF (Bad file descriptor) [pid 457] close(10) = -1 EBADF (Bad file descriptor) [pid 457] close(11) = -1 EBADF (Bad file descriptor) [pid 457] close(12) = -1 EBADF (Bad file descriptor) [pid 457] close(13) = -1 EBADF (Bad file descriptor) [pid 457] close(14) = -1 EBADF (Bad file descriptor) [pid 457] close(15) = -1 EBADF (Bad file descriptor) [pid 457] close(16) = -1 EBADF (Bad file descriptor) [pid 457] close(17) = -1 EBADF (Bad file descriptor) [pid 457] close(18) = -1 EBADF (Bad file descriptor) [pid 457] close(19) = -1 EBADF (Bad file descriptor) [pid 457] close(20) = -1 EBADF (Bad file descriptor) [pid 457] close(21) = -1 EBADF (Bad file descriptor) [pid 457] close(22) = -1 EBADF (Bad file descriptor) [pid 457] close(23) = -1 EBADF (Bad file descriptor) [pid 457] close(24) = -1 EBADF (Bad file descriptor) [pid 457] close(25) = -1 EBADF (Bad file descriptor) [pid 457] close(26) = -1 EBADF (Bad file descriptor) [pid 457] close(27) = -1 EBADF (Bad file descriptor) [pid 457] close(28) = -1 EBADF (Bad file descriptor) [pid 457] close(29) = -1 EBADF (Bad file descriptor) [pid 457] exit_group(0 [pid 458] <... futex resumed>) = ? [pid 457] <... exit_group resumed>) = ? [pid 458] +++ exited with 0 +++ [pid 457] +++ exited with 0 +++ [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=94, si_uid=0, si_status=0, si_utime=4, si_stime=10} --- [pid 310] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 310] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 310] ioctl(3, LOOP_CLR_FD) = 0 [pid 310] close(3) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555585fe7690) = 96 ./strace-static-x86_64: Process 459 attached [pid 459] set_robust_list(0x555585fe76a0, 24) = 0 [pid 459] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 459] setpgid(0, 0) = 0 [pid 459] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 459] write(3, "1000", 4) = 4 [pid 459] close(3) = 0 [pid 459] write(1, "executing program\n", 18executing program ) = 18 [pid 459] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 459] rt_sigaction(SIGRT_1, {sa_handler=0x7f7e761dd510, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7e761cebc0}, NULL, 8) = 0 [pid 459] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 459] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7e7614e000 [pid 459] mprotect(0x7f7e7614f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 459] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 459] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7e7616e990, parent_tid=0x7f7e7616e990, exit_signal=0, stack=0x7f7e7614e000, stack_size=0x20300, tls=0x7f7e7616e6c0} => {parent_tid=[97]}, 88) = 97 [pid 459] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 459] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 459] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 460 attached [pid 460] set_robust_list(0x7f7e7616e9a0, 24) = 0 [pid 460] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 460] memfd_create("syzkaller", 0) = 3 [pid 460] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7e6dd4e000 [pid 460] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119) = 20699119 [pid 460] munmap(0x7f7e6dd4e000, 138412032) = 0 [pid 460] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 460] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 460] ioctl(4, LOOP_CLR_FD) = 0 [pid 460] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 460] close(4) = 0 [pid 460] close(3) = 0 [pid 460] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 459] <... futex resumed>) = 0 [pid 459] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 459] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 460] <... futex resumed>) = 1 [pid 460] bind(-1, NULL, 0) = -1 EBADF (Bad file descriptor) [pid 460] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 459] <... futex resumed>) = 0 [pid 460] futex(0x7f7e76242728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 459] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 459] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 460] <... futex resumed>) = 0 [pid 460] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 460] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 459] <... futex resumed>) = 0 [pid 459] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 459] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 460] <... futex resumed>) = 1 [pid 460] ioctl(3, SIOCGIFINDEX, {ifr_name="veth0_vlan"}) = -1 ENODEV (No such device) [pid 460] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 459] <... futex resumed>) = 0 [pid 459] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 459] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 460] <... futex resumed>) = 1 [pid 460] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 4 [pid 460] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 459] <... futex resumed>) = 0 [pid 459] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 459] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 460] <... futex resumed>) = 1 [pid 460] ioctl(4, SIOCGIFINDEX, {ifr_name="vlan0"}) = -1 ENODEV (No such device) [pid 460] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 459] <... futex resumed>) = 0 [pid 459] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 459] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 460] <... futex resumed>) = 1 [pid 460] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWCGROUP|CLONE_NEWPID|CLONE_NEWNET) = 0 [pid 460] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 459] <... futex resumed>) = 0 [pid 459] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 459] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 460] <... futex resumed>) = 1 [pid 460] gettid() = 97 [pid 460] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 459] <... futex resumed>) = 0 [pid 459] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 459] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 460] <... futex resumed>) = 1 [pid 460] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x61\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 40 [pid 460] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 459] <... futex resumed>) = 0 [pid 459] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 459] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 460] <... futex resumed>) = 1 [pid 460] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x61\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 40 [pid 460] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 459] <... futex resumed>) = 0 [pid 459] close(3) = 0 [pid 459] close(4) = 0 [pid 459] close(5) = -1 EBADF (Bad file descriptor) [pid 459] close(6) = -1 EBADF (Bad file descriptor) [pid 459] close(7) = -1 EBADF (Bad file descriptor) [pid 459] close(8) = -1 EBADF (Bad file descriptor) [pid 459] close(9) = -1 EBADF (Bad file descriptor) [pid 459] close(10) = -1 EBADF (Bad file descriptor) [pid 459] close(11) = -1 EBADF (Bad file descriptor) [pid 459] close(12) = -1 EBADF (Bad file descriptor) [pid 459] close(13) = -1 EBADF (Bad file descriptor) [pid 459] close(14) = -1 EBADF (Bad file descriptor) [pid 459] close(15) = -1 EBADF (Bad file descriptor) [pid 459] close(16) = -1 EBADF (Bad file descriptor) [pid 459] close(17) = -1 EBADF (Bad file descriptor) [pid 459] close(18) = -1 EBADF (Bad file descriptor) [pid 459] close(19) = -1 EBADF (Bad file descriptor) [pid 459] close(20) = -1 EBADF (Bad file descriptor) [pid 459] close(21) = -1 EBADF (Bad file descriptor) [pid 459] close(22) = -1 EBADF (Bad file descriptor) [pid 459] close(23) = -1 EBADF (Bad file descriptor) [pid 459] close(24) = -1 EBADF (Bad file descriptor) [pid 459] close(25) = -1 EBADF (Bad file descriptor) [pid 459] close(26) = -1 EBADF (Bad file descriptor) [pid 459] close(27) = -1 EBADF (Bad file descriptor) [pid 459] close(28) = -1 EBADF (Bad file descriptor) [pid 459] close(29) = -1 EBADF (Bad file descriptor) [pid 459] exit_group(0) = ? [pid 460] <... futex resumed>) = ? [pid 460] +++ exited with 0 +++ [pid 459] +++ exited with 0 +++ [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=96, si_uid=0, si_status=0, si_utime=4, si_stime=11} --- [pid 310] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 310] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 310] ioctl(3, LOOP_CLR_FD) = 0 [pid 310] close(3) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555585fe7690) = 98 ./strace-static-x86_64: Process 461 attached [pid 461] set_robust_list(0x555585fe76a0, 24) = 0 [pid 461] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 461] setpgid(0, 0) = 0 [pid 461] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 461] write(3, "1000", 4) = 4 [pid 461] close(3) = 0 [pid 461] write(1, "executing program\n", 18executing program ) = 18 [pid 461] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 461] rt_sigaction(SIGRT_1, {sa_handler=0x7f7e761dd510, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7e761cebc0}, NULL, 8) = 0 [pid 461] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 461] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7e7614e000 [pid 461] mprotect(0x7f7e7614f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 461] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 461] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7e7616e990, parent_tid=0x7f7e7616e990, exit_signal=0, stack=0x7f7e7614e000, stack_size=0x20300, tls=0x7f7e7616e6c0}./strace-static-x86_64: Process 462 attached => {parent_tid=[99]}, 88) = 99 [pid 462] set_robust_list(0x7f7e7616e9a0, 24) = 0 [pid 462] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 462] futex(0x7f7e76242728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 461] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 461] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 462] <... futex resumed>) = 0 [pid 461] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 462] memfd_create("syzkaller", 0) = 3 [pid 462] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7e6dd4e000 [pid 462] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119) = 20699119 [pid 462] munmap(0x7f7e6dd4e000, 138412032) = 0 [pid 462] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 462] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 462] ioctl(4, LOOP_CLR_FD) = 0 [pid 462] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 462] close(4) = 0 [pid 462] close(3) = 0 [pid 462] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 461] <... futex resumed>) = 0 [pid 461] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 461] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 462] <... futex resumed>) = 1 [pid 462] bind(-1, NULL, 0) = -1 EBADF (Bad file descriptor) [pid 462] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 461] <... futex resumed>) = 0 [pid 461] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 461] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 462] <... futex resumed>) = 1 [pid 462] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 462] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 461] <... futex resumed>) = 0 [pid 461] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 461] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 462] <... futex resumed>) = 1 [pid 462] ioctl(3, SIOCGIFINDEX, {ifr_name="veth0_vlan"}) = -1 ENODEV (No such device) [pid 462] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 461] <... futex resumed>) = 0 [pid 461] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 461] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 462] <... futex resumed>) = 1 [pid 462] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 4 [pid 462] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 461] <... futex resumed>) = 0 [pid 461] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 461] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 462] <... futex resumed>) = 1 [pid 462] ioctl(4, SIOCGIFINDEX, {ifr_name="vlan0"}) = -1 ENODEV (No such device) [pid 462] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 461] <... futex resumed>) = 0 [pid 461] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 461] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 462] <... futex resumed>) = 1 [pid 462] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWCGROUP|CLONE_NEWPID|CLONE_NEWNET) = 0 [pid 462] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 462] futex(0x7f7e76242728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 461] <... futex resumed>) = 0 [pid 461] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 462] <... futex resumed>) = 0 [pid 462] gettid() = 99 [pid 462] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 462] futex(0x7f7e76242728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 461] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 461] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 461] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 462] <... futex resumed>) = 0 [pid 462] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x63\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 40 [pid 462] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 461] <... futex resumed>) = 0 [pid 461] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 461] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 462] <... futex resumed>) = 1 [pid 462] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x63\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 40 [pid 462] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 461] <... futex resumed>) = 0 [pid 461] close(3) = 0 [pid 461] close(4) = 0 [pid 461] close(5) = -1 EBADF (Bad file descriptor) [pid 461] close(6) = -1 EBADF (Bad file descriptor) [pid 461] close(7) = -1 EBADF (Bad file descriptor) [pid 461] close(8) = -1 EBADF (Bad file descriptor) [pid 461] close(9) = -1 EBADF (Bad file descriptor) [pid 461] close(10) = -1 EBADF (Bad file descriptor) [pid 461] close(11) = -1 EBADF (Bad file descriptor) [pid 461] close(12) = -1 EBADF (Bad file descriptor) [pid 461] close(13) = -1 EBADF (Bad file descriptor) [pid 461] close(14) = -1 EBADF (Bad file descriptor) [pid 461] close(15) = -1 EBADF (Bad file descriptor) [pid 461] close(16) = -1 EBADF (Bad file descriptor) [pid 461] close(17) = -1 EBADF (Bad file descriptor) [pid 461] close(18) = -1 EBADF (Bad file descriptor) [pid 461] close(19) = -1 EBADF (Bad file descriptor) [pid 461] close(20) = -1 EBADF (Bad file descriptor) [pid 461] close(21) = -1 EBADF (Bad file descriptor) [pid 461] close(22) = -1 EBADF (Bad file descriptor) [pid 461] close(23) = -1 EBADF (Bad file descriptor) [pid 461] close(24) = -1 EBADF (Bad file descriptor) [pid 461] close(25) = -1 EBADF (Bad file descriptor) [pid 461] close(26) = -1 EBADF (Bad file descriptor) [pid 461] close(27) = -1 EBADF (Bad file descriptor) [pid 461] close(28) = -1 EBADF (Bad file descriptor) [pid 461] close(29) = -1 EBADF (Bad file descriptor) [pid 461] exit_group(0) = ? [pid 462] +++ exited with 0 +++ [pid 461] +++ exited with 0 +++ [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=98, si_uid=0, si_status=0, si_utime=5, si_stime=9} --- [pid 310] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 310] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 310] ioctl(3, LOOP_CLR_FD) = 0 [pid 310] close(3) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555585fe7690) = 100 ./strace-static-x86_64: Process 463 attached [pid 463] set_robust_list(0x555585fe76a0, 24) = 0 [pid 463] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 463] setpgid(0, 0) = 0 [pid 463] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 463] write(3, "1000", 4) = 4 [pid 463] close(3) = 0 [pid 463] write(1, "executing program\n", 18executing program ) = 18 [pid 463] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 463] rt_sigaction(SIGRT_1, {sa_handler=0x7f7e761dd510, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7e761cebc0}, NULL, 8) = 0 [pid 463] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 463] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7e7614e000 [pid 463] mprotect(0x7f7e7614f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 463] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 463] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7e7616e990, parent_tid=0x7f7e7616e990, exit_signal=0, stack=0x7f7e7614e000, stack_size=0x20300, tls=0x7f7e7616e6c0} => {parent_tid=[101]}, 88) = 101 [pid 463] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 463] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 463] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 464 attached [pid 464] set_robust_list(0x7f7e7616e9a0, 24) = 0 [pid 464] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 464] memfd_create("syzkaller", 0) = 3 [pid 464] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7e6dd4e000 [pid 464] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119) = 20699119 [pid 464] munmap(0x7f7e6dd4e000, 138412032) = 0 [pid 464] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 464] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 464] ioctl(4, LOOP_CLR_FD) = 0 [pid 464] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 464] close(4) = 0 [pid 464] close(3) = 0 [pid 464] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 464] futex(0x7f7e76242728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 463] <... futex resumed>) = 0 [pid 463] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 463] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 464] <... futex resumed>) = 0 [pid 464] bind(-1, NULL, 0) = -1 EBADF (Bad file descriptor) [pid 464] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 463] <... futex resumed>) = 0 [pid 463] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 463] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 464] <... futex resumed>) = 1 [pid 464] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 464] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 464] futex(0x7f7e76242728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 463] <... futex resumed>) = 0 [pid 463] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 463] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 464] <... futex resumed>) = 0 [pid 464] ioctl(3, SIOCGIFINDEX, {ifr_name="veth0_vlan"}) = -1 ENODEV (No such device) [pid 464] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 463] <... futex resumed>) = 0 [pid 463] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 463] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 464] <... futex resumed>) = 1 [pid 464] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 4 [pid 464] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 463] <... futex resumed>) = 0 [pid 463] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 463] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 464] <... futex resumed>) = 1 [pid 464] ioctl(4, SIOCGIFINDEX, {ifr_name="vlan0"}) = -1 ENODEV (No such device) [pid 464] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 463] <... futex resumed>) = 0 [pid 463] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 463] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 464] <... futex resumed>) = 1 [pid 464] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWCGROUP|CLONE_NEWPID|CLONE_NEWNET) = 0 [pid 464] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 463] <... futex resumed>) = 0 [pid 464] gettid( [pid 463] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000 [pid 464] <... gettid resumed>) = 101 [pid 463] <... futex resumed>) = 0 [pid 464] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 463] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 464] <... futex resumed>) = 0 [pid 463] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 464] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x65\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 463] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 463] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 464] <... sendmsg resumed>) = 40 [pid 464] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 463] <... futex resumed>) = 0 [pid 464] futex(0x7f7e76242728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 463] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 464] <... futex resumed>) = 0 [pid 463] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 464] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x65\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 40 [pid 464] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 463] <... futex resumed>) = 0 [pid 463] close(3 [pid 464] futex(0x7f7e76242728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 463] <... close resumed>) = 0 [pid 463] close(4) = 0 [pid 463] close(5) = -1 EBADF (Bad file descriptor) [pid 463] close(6) = -1 EBADF (Bad file descriptor) [pid 463] close(7) = -1 EBADF (Bad file descriptor) [pid 463] close(8) = -1 EBADF (Bad file descriptor) [pid 463] close(9) = -1 EBADF (Bad file descriptor) [pid 463] close(10) = -1 EBADF (Bad file descriptor) [pid 463] close(11) = -1 EBADF (Bad file descriptor) [pid 463] close(12) = -1 EBADF (Bad file descriptor) [pid 463] close(13) = -1 EBADF (Bad file descriptor) [pid 463] close(14) = -1 EBADF (Bad file descriptor) [pid 463] close(15) = -1 EBADF (Bad file descriptor) [pid 463] close(16) = -1 EBADF (Bad file descriptor) [pid 463] close(17) = -1 EBADF (Bad file descriptor) [pid 463] close(18) = -1 EBADF (Bad file descriptor) [pid 463] close(19) = -1 EBADF (Bad file descriptor) [pid 463] close(20) = -1 EBADF (Bad file descriptor) [pid 463] close(21) = -1 EBADF (Bad file descriptor) [pid 463] close(22) = -1 EBADF (Bad file descriptor) [pid 463] close(23) = -1 EBADF (Bad file descriptor) [pid 463] close(24) = -1 EBADF (Bad file descriptor) [pid 463] close(25) = -1 EBADF (Bad file descriptor) [pid 463] close(26) = -1 EBADF (Bad file descriptor) [pid 463] close(27) = -1 EBADF (Bad file descriptor) [pid 463] close(28) = -1 EBADF (Bad file descriptor) [pid 463] close(29) = -1 EBADF (Bad file descriptor) [pid 463] exit_group(0) = ? [pid 464] <... futex resumed>) = ? [pid 464] +++ exited with 0 +++ [pid 463] +++ exited with 0 +++ [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=100, si_uid=0, si_status=0, si_utime=4, si_stime=9} --- [pid 310] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 310] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 310] ioctl(3, LOOP_CLR_FD) = 0 [pid 310] close(3executing program ) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555585fe7690) = 102 ./strace-static-x86_64: Process 466 attached [pid 466] set_robust_list(0x555585fe76a0, 24) = 0 [pid 466] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 466] setpgid(0, 0) = 0 [pid 466] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 466] write(3, "1000", 4) = 4 [pid 466] close(3) = 0 [pid 466] write(1, "executing program\n", 18) = 18 [pid 466] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 466] rt_sigaction(SIGRT_1, {sa_handler=0x7f7e761dd510, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7e761cebc0}, NULL, 8) = 0 [pid 466] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 466] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7e7614e000 [pid 466] mprotect(0x7f7e7614f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 466] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 466] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7e7616e990, parent_tid=0x7f7e7616e990, exit_signal=0, stack=0x7f7e7614e000, stack_size=0x20300, tls=0x7f7e7616e6c0} => {parent_tid=[103]}, 88) = 103 [pid 466] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 466] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 466] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 467 attached [pid 467] set_robust_list(0x7f7e7616e9a0, 24) = 0 [pid 467] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 467] memfd_create("syzkaller", 0) = 3 [pid 467] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7e6dd4e000 [pid 467] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119) = 20699119 [pid 467] munmap(0x7f7e6dd4e000, 138412032) = 0 [pid 467] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 467] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 467] ioctl(4, LOOP_CLR_FD) = 0 [pid 467] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 467] close(4) = 0 [pid 467] close(3) = 0 [pid 467] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 467] futex(0x7f7e76242728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 466] <... futex resumed>) = 0 [pid 466] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 466] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 467] <... futex resumed>) = 0 [pid 467] bind(-1, NULL, 0) = -1 EBADF (Bad file descriptor) [pid 467] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 466] <... futex resumed>) = 0 [pid 466] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 466] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 467] <... futex resumed>) = 1 [pid 467] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 467] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 466] <... futex resumed>) = 0 [pid 466] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 466] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 467] <... futex resumed>) = 1 [pid 467] ioctl(3, SIOCGIFINDEX, {ifr_name="veth0_vlan"}) = -1 ENODEV (No such device) [pid 467] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 466] <... futex resumed>) = 0 [pid 466] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 466] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 467] <... futex resumed>) = 1 [pid 467] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 4 [pid 467] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 466] <... futex resumed>) = 0 [pid 466] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 466] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 467] <... futex resumed>) = 1 [pid 467] ioctl(4, SIOCGIFINDEX, {ifr_name="vlan0"}) = -1 ENODEV (No such device) [pid 467] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 466] <... futex resumed>) = 0 [pid 466] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 466] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 467] <... futex resumed>) = 1 [pid 467] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWCGROUP|CLONE_NEWPID|CLONE_NEWNET) = 0 [pid 467] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 466] <... futex resumed>) = 0 [pid 466] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 466] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 467] <... futex resumed>) = 1 [pid 467] gettid() = 103 [pid 467] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 466] <... futex resumed>) = 0 [pid 466] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 466] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 467] <... futex resumed>) = 1 [pid 467] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x67\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 40 [pid 467] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 466] <... futex resumed>) = 0 [pid 466] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 466] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 467] <... futex resumed>) = 1 [pid 467] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x67\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 40 [pid 467] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 466] <... futex resumed>) = 0 [pid 466] close(3) = 0 [pid 466] close(4) = 0 [pid 466] close(5) = -1 EBADF (Bad file descriptor) [pid 466] close(6) = -1 EBADF (Bad file descriptor) [pid 466] close(7) = -1 EBADF (Bad file descriptor) [pid 466] close(8) = -1 EBADF (Bad file descriptor) [pid 466] close(9) = -1 EBADF (Bad file descriptor) [pid 466] close(10) = -1 EBADF (Bad file descriptor) [pid 466] close(11) = -1 EBADF (Bad file descriptor) [pid 466] close(12) = -1 EBADF (Bad file descriptor) [pid 466] close(13) = -1 EBADF (Bad file descriptor) [pid 466] close(14) = -1 EBADF (Bad file descriptor) [pid 466] close(15) = -1 EBADF (Bad file descriptor) [pid 466] close(16) = -1 EBADF (Bad file descriptor) [pid 466] close(17) = -1 EBADF (Bad file descriptor) [pid 466] close(18) = -1 EBADF (Bad file descriptor) [pid 466] close(19) = -1 EBADF (Bad file descriptor) [pid 466] close(20) = -1 EBADF (Bad file descriptor) [pid 466] close(21) = -1 EBADF (Bad file descriptor) [pid 466] close(22) = -1 EBADF (Bad file descriptor) [pid 466] close(23) = -1 EBADF (Bad file descriptor) [pid 466] close(24) = -1 EBADF (Bad file descriptor) [pid 466] close(25) = -1 EBADF (Bad file descriptor) [pid 466] close(26) = -1 EBADF (Bad file descriptor) [pid 466] close(27) = -1 EBADF (Bad file descriptor) [pid 466] close(28) = -1 EBADF (Bad file descriptor) [pid 466] close(29) = -1 EBADF (Bad file descriptor) [pid 466] exit_group(0) = ? [pid 467] <... futex resumed>) = ? [pid 467] +++ exited with 0 +++ [pid 466] +++ exited with 0 +++ [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=102, si_uid=0, si_status=0, si_utime=5, si_stime=10} --- [pid 310] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 310] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 310] ioctl(3, LOOP_CLR_FD) = 0 [pid 310] close(3) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555585fe7690) = 104 ./strace-static-x86_64: Process 468 attached [pid 468] set_robust_list(0x555585fe76a0, 24) = 0 [pid 468] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 468] setpgid(0, 0) = 0 [pid 468] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program ) = 3 [pid 468] write(3, "1000", 4) = 4 [pid 468] close(3) = 0 [pid 468] write(1, "executing program\n", 18) = 18 [pid 468] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 468] rt_sigaction(SIGRT_1, {sa_handler=0x7f7e761dd510, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7e761cebc0}, NULL, 8) = 0 [pid 468] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 468] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7e7614e000 [pid 468] mprotect(0x7f7e7614f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 468] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 468] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7e7616e990, parent_tid=0x7f7e7616e990, exit_signal=0, stack=0x7f7e7614e000, stack_size=0x20300, tls=0x7f7e7616e6c0} => {parent_tid=[105]}, 88) = 105 [pid 468] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 468] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 468] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 469 attached [pid 469] set_robust_list(0x7f7e7616e9a0, 24) = 0 [pid 469] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 469] memfd_create("syzkaller", 0) = 3 [pid 469] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7e6dd4e000 [pid 469] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119) = 20699119 [pid 469] munmap(0x7f7e6dd4e000, 138412032) = 0 [pid 469] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 469] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 469] ioctl(4, LOOP_CLR_FD) = 0 [pid 469] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 469] close(4) = 0 [pid 469] close(3) = 0 [pid 469] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 469] futex(0x7f7e76242728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 468] <... futex resumed>) = 0 [pid 468] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 468] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 469] <... futex resumed>) = 0 [pid 469] bind(-1, NULL, 0) = -1 EBADF (Bad file descriptor) [pid 469] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 468] <... futex resumed>) = 0 [pid 468] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 468] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 469] <... futex resumed>) = 1 [pid 469] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 469] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 468] <... futex resumed>) = 0 [pid 468] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 468] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 469] <... futex resumed>) = 1 [pid 469] ioctl(3, SIOCGIFINDEX, {ifr_name="veth0_vlan"}) = -1 ENODEV (No such device) [pid 469] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 468] <... futex resumed>) = 0 [pid 468] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 468] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 469] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 4 [pid 469] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 468] <... futex resumed>) = 0 [pid 468] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 468] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 469] ioctl(4, SIOCGIFINDEX, {ifr_name="vlan0"}) = -1 ENODEV (No such device) [pid 469] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 468] <... futex resumed>) = 0 [pid 468] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 468] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 469] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWCGROUP|CLONE_NEWPID|CLONE_NEWNET) = 0 [pid 469] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 468] <... futex resumed>) = 0 [pid 468] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 468] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 469] <... futex resumed>) = 1 [pid 469] gettid() = 105 [pid 469] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 468] <... futex resumed>) = 0 [pid 468] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 468] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 469] <... futex resumed>) = 1 [pid 469] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x69\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 40 [pid 469] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 468] <... futex resumed>) = 0 [pid 468] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 468] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 469] <... futex resumed>) = 1 [pid 469] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x69\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 40 [pid 469] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 468] <... futex resumed>) = 0 [pid 468] close(3) = 0 [pid 468] close(4) = 0 [pid 468] close(5) = -1 EBADF (Bad file descriptor) [pid 468] close(6) = -1 EBADF (Bad file descriptor) [pid 468] close(7) = -1 EBADF (Bad file descriptor) [pid 468] close(8) = -1 EBADF (Bad file descriptor) [pid 468] close(9) = -1 EBADF (Bad file descriptor) [pid 468] close(10) = -1 EBADF (Bad file descriptor) [pid 468] close(11) = -1 EBADF (Bad file descriptor) [pid 468] close(12) = -1 EBADF (Bad file descriptor) [pid 468] close(13) = -1 EBADF (Bad file descriptor) [pid 468] close(14) = -1 EBADF (Bad file descriptor) [pid 468] close(15) = -1 EBADF (Bad file descriptor) [pid 468] close(16) = -1 EBADF (Bad file descriptor) [pid 468] close(17) = -1 EBADF (Bad file descriptor) [pid 468] close(18) = -1 EBADF (Bad file descriptor) [pid 468] close(19) = -1 EBADF (Bad file descriptor) [pid 468] close(20) = -1 EBADF (Bad file descriptor) [pid 468] close(21) = -1 EBADF (Bad file descriptor) [pid 468] close(22) = -1 EBADF (Bad file descriptor) [pid 468] close(23) = -1 EBADF (Bad file descriptor) [pid 468] close(24) = -1 EBADF (Bad file descriptor) [pid 468] close(25) = -1 EBADF (Bad file descriptor) [pid 468] close(26) = -1 EBADF (Bad file descriptor) [pid 468] close(27) = -1 EBADF (Bad file descriptor) [pid 468] close(28) = -1 EBADF (Bad file descriptor) [pid 468] close(29) = -1 EBADF (Bad file descriptor) [pid 468] exit_group(0) = ? [pid 469] <... futex resumed>) = ? [pid 469] +++ exited with 0 +++ [pid 468] +++ exited with 0 +++ [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=104, si_uid=0, si_status=0, si_utime=3, si_stime=12} --- [pid 310] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 310] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 310] ioctl(3, LOOP_CLR_FD) = 0 [pid 310] close(3) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555585fe7690) = 106 ./strace-static-x86_64: Process 470 attached [pid 470] set_robust_list(0x555585fe76a0, 24) = 0 [pid 470] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 470] setpgid(0, 0) = 0 [pid 470] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 470] write(3, "1000", 4) = 4 [pid 470] close(3) = 0 executing program [pid 470] write(1, "executing program\n", 18) = 18 [pid 470] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 470] rt_sigaction(SIGRT_1, {sa_handler=0x7f7e761dd510, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7e761cebc0}, NULL, 8) = 0 [pid 470] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 470] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7e7614e000 [pid 470] mprotect(0x7f7e7614f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 470] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 470] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7e7616e990, parent_tid=0x7f7e7616e990, exit_signal=0, stack=0x7f7e7614e000, stack_size=0x20300, tls=0x7f7e7616e6c0}./strace-static-x86_64: Process 471 attached => {parent_tid=[107]}, 88) = 107 [pid 471] set_robust_list(0x7f7e7616e9a0, 24) = 0 [pid 471] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 471] futex(0x7f7e76242728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 470] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 470] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 471] <... futex resumed>) = 0 [pid 471] memfd_create("syzkaller", 0 [pid 470] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 471] <... memfd_create resumed>) = 3 [pid 471] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7e6dd4e000 [pid 471] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119) = 20699119 [pid 471] munmap(0x7f7e6dd4e000, 138412032) = 0 [pid 471] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 471] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 471] ioctl(4, LOOP_CLR_FD) = 0 [pid 471] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 471] close(4) = 0 [pid 471] close(3) = 0 [pid 471] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 470] <... futex resumed>) = 0 [pid 470] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 470] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 471] <... futex resumed>) = 1 [pid 471] bind(-1, NULL, 0) = -1 EBADF (Bad file descriptor) [pid 471] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 470] <... futex resumed>) = 0 [pid 470] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 470] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 471] <... futex resumed>) = 1 [pid 471] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 471] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 470] <... futex resumed>) = 0 [pid 470] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 470] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 471] <... futex resumed>) = 1 [pid 471] ioctl(3, SIOCGIFINDEX, {ifr_name="veth0_vlan"}) = -1 ENODEV (No such device) [pid 471] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 470] <... futex resumed>) = 0 [pid 470] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 470] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 471] <... futex resumed>) = 1 [pid 471] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 4 [pid 471] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 470] <... futex resumed>) = 0 [pid 470] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 470] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 471] <... futex resumed>) = 1 [pid 471] ioctl(4, SIOCGIFINDEX, {ifr_name="vlan0"}) = -1 ENODEV (No such device) [pid 471] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 470] <... futex resumed>) = 0 [pid 470] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 470] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 471] <... futex resumed>) = 1 [pid 471] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWCGROUP|CLONE_NEWPID|CLONE_NEWNET) = 0 [pid 471] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 470] <... futex resumed>) = 0 [pid 470] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 470] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 471] <... futex resumed>) = 1 [pid 471] gettid() = 107 [pid 471] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 470] <... futex resumed>) = 0 [pid 470] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 470] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 471] <... futex resumed>) = 1 [pid 471] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x6b\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 40 [pid 471] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 470] <... futex resumed>) = 0 [pid 470] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 470] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 471] <... futex resumed>) = 1 [pid 471] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x6b\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 40 [pid 471] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 470] <... futex resumed>) = 0 [pid 470] close(3) = 0 [pid 470] close(4) = 0 [pid 470] close(5) = -1 EBADF (Bad file descriptor) [pid 470] close(6) = -1 EBADF (Bad file descriptor) [pid 470] close(7) = -1 EBADF (Bad file descriptor) [pid 470] close(8) = -1 EBADF (Bad file descriptor) [pid 470] close(9) = -1 EBADF (Bad file descriptor) [pid 470] close(10) = -1 EBADF (Bad file descriptor) [pid 470] close(11) = -1 EBADF (Bad file descriptor) [pid 470] close(12) = -1 EBADF (Bad file descriptor) [pid 470] close(13) = -1 EBADF (Bad file descriptor) [pid 470] close(14) = -1 EBADF (Bad file descriptor) [pid 470] close(15) = -1 EBADF (Bad file descriptor) [pid 470] close(16) = -1 EBADF (Bad file descriptor) [pid 470] close(17) = -1 EBADF (Bad file descriptor) [pid 470] close(18) = -1 EBADF (Bad file descriptor) [pid 470] close(19) = -1 EBADF (Bad file descriptor) [pid 470] close(20) = -1 EBADF (Bad file descriptor) [pid 470] close(21) = -1 EBADF (Bad file descriptor) [pid 470] close(22) = -1 EBADF (Bad file descriptor) [pid 470] close(23) = -1 EBADF (Bad file descriptor) [pid 470] close(24) = -1 EBADF (Bad file descriptor) [pid 470] close(25) = -1 EBADF (Bad file descriptor) [pid 470] close(26) = -1 EBADF (Bad file descriptor) [pid 470] close(27) = -1 EBADF (Bad file descriptor) [pid 470] close(28) = -1 EBADF (Bad file descriptor) [pid 470] close(29) = -1 EBADF (Bad file descriptor) [pid 470] exit_group(0) = ? [pid 471] <... futex resumed>) = ? [pid 471] +++ exited with 0 +++ [pid 470] +++ exited with 0 +++ [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=106, si_uid=0, si_status=0, si_utime=2, si_stime=11} --- [pid 310] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 310] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 310] ioctl(3, LOOP_CLR_FD) = 0 [pid 310] close(3executing program ) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555585fe7690) = 108 ./strace-static-x86_64: Process 472 attached [pid 472] set_robust_list(0x555585fe76a0, 24) = 0 [pid 472] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 472] setpgid(0, 0) = 0 [pid 472] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 472] write(3, "1000", 4) = 4 [pid 472] close(3) = 0 [pid 472] write(1, "executing program\n", 18) = 18 [pid 472] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 472] rt_sigaction(SIGRT_1, {sa_handler=0x7f7e761dd510, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7e761cebc0}, NULL, 8) = 0 [pid 472] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 472] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7e7614e000 [pid 472] mprotect(0x7f7e7614f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 472] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 472] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7e7616e990, parent_tid=0x7f7e7616e990, exit_signal=0, stack=0x7f7e7614e000, stack_size=0x20300, tls=0x7f7e7616e6c0}./strace-static-x86_64: Process 473 attached => {parent_tid=[109]}, 88) = 109 [pid 472] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 472] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 472] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 473] set_robust_list(0x7f7e7616e9a0, 24) = 0 [pid 473] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 473] memfd_create("syzkaller", 0) = 3 [pid 473] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7e6dd4e000 [pid 473] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119) = 20699119 [pid 473] munmap(0x7f7e6dd4e000, 138412032) = 0 [pid 473] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 473] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 473] ioctl(4, LOOP_CLR_FD) = 0 [pid 473] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 473] close(4) = 0 [pid 473] close(3) = 0 [pid 473] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 473] futex(0x7f7e76242728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 472] <... futex resumed>) = 0 [pid 472] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 472] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 473] <... futex resumed>) = 0 [pid 473] bind(-1, NULL, 0) = -1 EBADF (Bad file descriptor) [pid 473] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 472] <... futex resumed>) = 0 [pid 472] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 472] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 473] <... futex resumed>) = 1 [pid 473] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 473] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 472] <... futex resumed>) = 0 [pid 472] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 472] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 473] <... futex resumed>) = 1 [pid 473] ioctl(3, SIOCGIFINDEX, {ifr_name="veth0_vlan"}) = -1 ENODEV (No such device) [pid 473] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 472] <... futex resumed>) = 0 [pid 472] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 472] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 473] <... futex resumed>) = 1 [pid 473] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 4 [pid 473] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 472] <... futex resumed>) = 0 [pid 472] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 472] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 473] <... futex resumed>) = 1 [pid 473] ioctl(4, SIOCGIFINDEX, {ifr_name="vlan0"}) = -1 ENODEV (No such device) [pid 473] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 472] <... futex resumed>) = 0 [pid 472] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 472] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 473] <... futex resumed>) = 1 [pid 473] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWCGROUP|CLONE_NEWPID|CLONE_NEWNET) = 0 [pid 473] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 472] <... futex resumed>) = 0 [pid 472] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 472] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 473] <... futex resumed>) = 1 [pid 473] gettid() = 109 [pid 473] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 472] <... futex resumed>) = 0 [pid 472] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 472] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 473] <... futex resumed>) = 1 [pid 473] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x6d\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 40 [pid 473] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 472] <... futex resumed>) = 0 [pid 472] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000 [pid 473] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x6d\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 472] <... futex resumed>) = 0 [pid 473] <... sendmsg resumed>) = 40 [pid 473] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 473] futex(0x7f7e76242728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 472] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 472] close(3) = 0 [pid 472] close(4) = 0 [pid 472] close(5) = -1 EBADF (Bad file descriptor) [pid 472] close(6) = -1 EBADF (Bad file descriptor) [pid 472] close(7) = -1 EBADF (Bad file descriptor) [pid 472] close(8) = -1 EBADF (Bad file descriptor) [pid 472] close(9) = -1 EBADF (Bad file descriptor) [pid 472] close(10) = -1 EBADF (Bad file descriptor) [pid 472] close(11) = -1 EBADF (Bad file descriptor) [pid 472] close(12) = -1 EBADF (Bad file descriptor) [pid 472] close(13) = -1 EBADF (Bad file descriptor) [pid 472] close(14) = -1 EBADF (Bad file descriptor) [pid 472] close(15) = -1 EBADF (Bad file descriptor) [pid 472] close(16) = -1 EBADF (Bad file descriptor) [pid 472] close(17) = -1 EBADF (Bad file descriptor) [pid 472] close(18) = -1 EBADF (Bad file descriptor) [pid 472] close(19) = -1 EBADF (Bad file descriptor) [pid 472] close(20) = -1 EBADF (Bad file descriptor) [pid 472] close(21) = -1 EBADF (Bad file descriptor) [pid 472] close(22) = -1 EBADF (Bad file descriptor) [pid 472] close(23) = -1 EBADF (Bad file descriptor) [pid 472] close(24) = -1 EBADF (Bad file descriptor) [pid 472] close(25) = -1 EBADF (Bad file descriptor) [pid 472] close(26) = -1 EBADF (Bad file descriptor) [pid 472] close(27) = -1 EBADF (Bad file descriptor) [pid 472] close(28) = -1 EBADF (Bad file descriptor) [pid 472] close(29) = -1 EBADF (Bad file descriptor) [pid 472] exit_group(0) = ? [pid 473] <... futex resumed>) = ? [pid 473] +++ exited with 0 +++ [pid 472] +++ exited with 0 +++ [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=108, si_uid=0, si_status=0, si_utime=4, si_stime=11} --- [pid 310] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 310] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 310] ioctl(3, LOOP_CLR_FD) = 0 [pid 310] close(3) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555585fe7690) = 110 ./strace-static-x86_64: Process 474 attached [pid 474] set_robust_list(0x555585fe76a0, 24) = 0 [pid 474] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 474] setpgid(0, 0) = 0 [pid 474] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 474] write(3, "1000", 4) = 4 [pid 474] close(3) = 0 [pid 474] write(1, "executing program\n", 18executing program ) = 18 [pid 474] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 474] rt_sigaction(SIGRT_1, {sa_handler=0x7f7e761dd510, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7e761cebc0}, NULL, 8) = 0 [pid 474] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 474] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7e7614e000 [pid 474] mprotect(0x7f7e7614f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 474] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 474] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7e7616e990, parent_tid=0x7f7e7616e990, exit_signal=0, stack=0x7f7e7614e000, stack_size=0x20300, tls=0x7f7e7616e6c0}./strace-static-x86_64: Process 475 attached => {parent_tid=[111]}, 88) = 111 [pid 474] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 474] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 474] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 475] set_robust_list(0x7f7e7616e9a0, 24) = 0 [pid 475] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 475] memfd_create("syzkaller", 0) = 3 [pid 475] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7e6dd4e000 [pid 475] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119) = 20699119 [pid 475] munmap(0x7f7e6dd4e000, 138412032) = 0 [pid 475] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 475] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 475] ioctl(4, LOOP_CLR_FD) = 0 [pid 475] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 475] close(4) = 0 [pid 475] close(3) = 0 [pid 475] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 474] <... futex resumed>) = 0 [pid 474] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 474] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 475] bind(-1, NULL, 0) = -1 EBADF (Bad file descriptor) [pid 475] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 474] <... futex resumed>) = 0 [pid 474] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 474] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 475] <... futex resumed>) = 1 [pid 475] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 475] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 474] <... futex resumed>) = 0 [pid 474] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 474] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 475] <... futex resumed>) = 1 [pid 475] ioctl(3, SIOCGIFINDEX, {ifr_name="veth0_vlan"}) = -1 ENODEV (No such device) [pid 475] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 474] <... futex resumed>) = 0 [pid 474] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 474] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 475] <... futex resumed>) = 1 [pid 475] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 4 [pid 475] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 474] <... futex resumed>) = 0 [pid 475] futex(0x7f7e76242728, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 474] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 475] ioctl(4, SIOCGIFINDEX, {ifr_name="vlan0" [pid 474] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 475] <... ioctl resumed>}) = -1 ENODEV (No such device) [pid 475] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 474] <... futex resumed>) = 0 [pid 475] futex(0x7f7e76242728, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 474] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 474] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 475] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWCGROUP|CLONE_NEWPID|CLONE_NEWNET) = 0 [pid 475] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 474] <... futex resumed>) = 0 [pid 474] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000 [pid 475] gettid( [pid 474] <... futex resumed>) = 0 [pid 475] <... gettid resumed>) = 111 [pid 475] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 474] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 475] <... futex resumed>) = 0 [pid 474] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 475] futex(0x7f7e76242728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 474] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000 [pid 475] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 474] <... futex resumed>) = 0 [pid 475] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x6f\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 474] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 475] <... sendmsg resumed>) = 40 [pid 475] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 474] <... futex resumed>) = 0 [pid 475] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x6f\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 474] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 474] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 475] <... sendmsg resumed>) = 40 [pid 475] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 475] futex(0x7f7e76242728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 474] <... futex resumed>) = 0 [pid 474] close(3) = 0 [pid 474] close(4) = 0 [pid 474] close(5) = -1 EBADF (Bad file descriptor) [pid 474] close(6) = -1 EBADF (Bad file descriptor) [pid 474] close(7) = -1 EBADF (Bad file descriptor) [pid 474] close(8) = -1 EBADF (Bad file descriptor) [pid 474] close(9) = -1 EBADF (Bad file descriptor) [pid 474] close(10) = -1 EBADF (Bad file descriptor) [pid 474] close(11) = -1 EBADF (Bad file descriptor) [pid 474] close(12) = -1 EBADF (Bad file descriptor) [pid 474] close(13) = -1 EBADF (Bad file descriptor) [pid 474] close(14) = -1 EBADF (Bad file descriptor) [pid 474] close(15) = -1 EBADF (Bad file descriptor) [pid 474] close(16) = -1 EBADF (Bad file descriptor) [pid 474] close(17) = -1 EBADF (Bad file descriptor) [pid 474] close(18) = -1 EBADF (Bad file descriptor) [pid 474] close(19) = -1 EBADF (Bad file descriptor) [pid 474] close(20) = -1 EBADF (Bad file descriptor) [pid 474] close(21) = -1 EBADF (Bad file descriptor) [pid 474] close(22) = -1 EBADF (Bad file descriptor) [pid 474] close(23) = -1 EBADF (Bad file descriptor) [pid 474] close(24) = -1 EBADF (Bad file descriptor) [pid 474] close(25) = -1 EBADF (Bad file descriptor) [pid 474] close(26) = -1 EBADF (Bad file descriptor) [pid 474] close(27) = -1 EBADF (Bad file descriptor) [pid 474] close(28) = -1 EBADF (Bad file descriptor) [pid 474] close(29) = -1 EBADF (Bad file descriptor) [pid 474] exit_group(0) = ? [pid 475] <... futex resumed>) = ? [pid 475] +++ exited with 0 +++ [pid 474] +++ exited with 0 +++ [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=110, si_uid=0, si_status=0, si_utime=2, si_stime=13} --- [pid 310] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 310] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 310] ioctl(3, LOOP_CLR_FD) = 0 [pid 310] close(3) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555585fe7690) = 112 ./strace-static-x86_64: Process 477 attached [pid 477] set_robust_list(0x555585fe76a0, 24) = 0 [pid 477] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 477] setpgid(0, 0) = 0 [pid 477] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 477] write(3, "1000", 4) = 4 [pid 477] close(3) = 0 [pid 477] write(1, "executing program\n", 18executing program ) = 18 [pid 477] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 477] rt_sigaction(SIGRT_1, {sa_handler=0x7f7e761dd510, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7e761cebc0}, NULL, 8) = 0 [pid 477] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 477] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7e7614e000 [pid 477] mprotect(0x7f7e7614f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 477] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 477] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7e7616e990, parent_tid=0x7f7e7616e990, exit_signal=0, stack=0x7f7e7614e000, stack_size=0x20300, tls=0x7f7e7616e6c0} => {parent_tid=[113]}, 88) = 113 [pid 477] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 477] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 477] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 478 attached [pid 478] set_robust_list(0x7f7e7616e9a0, 24) = 0 [pid 478] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 478] memfd_create("syzkaller", 0) = 3 [pid 478] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7e6dd4e000 [pid 478] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119) = 20699119 [pid 478] munmap(0x7f7e6dd4e000, 138412032) = 0 [pid 478] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 478] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 478] ioctl(4, LOOP_CLR_FD) = 0 [pid 478] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 478] close(4) = 0 [pid 478] close(3) = 0 [pid 478] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 478] futex(0x7f7e76242728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 477] <... futex resumed>) = 0 [pid 477] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 477] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 478] <... futex resumed>) = 0 [pid 478] bind(-1, NULL, 0) = -1 EBADF (Bad file descriptor) [pid 478] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 477] <... futex resumed>) = 0 [pid 477] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 477] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 478] <... futex resumed>) = 1 [pid 478] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 478] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 477] <... futex resumed>) = 0 [pid 477] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 477] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 478] <... futex resumed>) = 1 [pid 478] ioctl(3, SIOCGIFINDEX, {ifr_name="veth0_vlan"}) = -1 ENODEV (No such device) [pid 478] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 477] <... futex resumed>) = 0 [pid 477] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 477] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 478] <... futex resumed>) = 1 [pid 478] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 4 [pid 478] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 477] <... futex resumed>) = 0 [pid 477] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 477] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 478] <... futex resumed>) = 1 [pid 478] ioctl(4, SIOCGIFINDEX, {ifr_name="vlan0"}) = -1 ENODEV (No such device) [pid 478] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 478] futex(0x7f7e76242728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 477] <... futex resumed>) = 0 [pid 477] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 477] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 478] <... futex resumed>) = 0 [pid 478] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWCGROUP|CLONE_NEWPID|CLONE_NEWNET) = 0 [pid 478] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 477] <... futex resumed>) = 0 [pid 478] gettid( [pid 477] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000 [pid 478] <... gettid resumed>) = 113 [pid 478] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 477] <... futex resumed>) = 0 [pid 478] <... futex resumed>) = 0 [pid 477] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 478] futex(0x7f7e76242728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 477] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 478] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 477] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 478] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x71\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 477] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 478] <... sendmsg resumed>) = 40 [pid 478] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 477] <... futex resumed>) = 0 [pid 478] futex(0x7f7e76242728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 477] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000 [pid 478] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 477] <... futex resumed>) = 0 [pid 478] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x71\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 477] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 478] <... sendmsg resumed>) = 40 [pid 478] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 477] <... futex resumed>) = 0 [pid 478] futex(0x7f7e76242728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 477] close(3) = 0 [pid 477] close(4) = 0 [pid 477] close(5) = -1 EBADF (Bad file descriptor) [pid 477] close(6) = -1 EBADF (Bad file descriptor) [pid 477] close(7) = -1 EBADF (Bad file descriptor) [pid 477] close(8) = -1 EBADF (Bad file descriptor) [pid 477] close(9) = -1 EBADF (Bad file descriptor) [pid 477] close(10) = -1 EBADF (Bad file descriptor) [pid 477] close(11) = -1 EBADF (Bad file descriptor) [pid 477] close(12) = -1 EBADF (Bad file descriptor) [pid 477] close(13) = -1 EBADF (Bad file descriptor) [pid 477] close(14) = -1 EBADF (Bad file descriptor) [pid 477] close(15) = -1 EBADF (Bad file descriptor) [pid 477] close(16) = -1 EBADF (Bad file descriptor) [pid 477] close(17) = -1 EBADF (Bad file descriptor) [pid 477] close(18) = -1 EBADF (Bad file descriptor) [pid 477] close(19) = -1 EBADF (Bad file descriptor) [pid 477] close(20) = -1 EBADF (Bad file descriptor) [pid 477] close(21) = -1 EBADF (Bad file descriptor) [pid 477] close(22) = -1 EBADF (Bad file descriptor) [pid 477] close(23) = -1 EBADF (Bad file descriptor) [pid 477] close(24) = -1 EBADF (Bad file descriptor) [pid 477] close(25) = -1 EBADF (Bad file descriptor) [pid 477] close(26) = -1 EBADF (Bad file descriptor) [pid 477] close(27) = -1 EBADF (Bad file descriptor) [pid 477] close(28) = -1 EBADF (Bad file descriptor) [pid 477] close(29) = -1 EBADF (Bad file descriptor) [pid 477] exit_group(0) = ? [pid 478] <... futex resumed>) = ? [pid 478] +++ exited with 0 +++ [pid 477] +++ exited with 0 +++ [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=112, si_uid=0, si_status=0, si_utime=5, si_stime=9} --- [pid 310] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 310] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 310] ioctl(3, LOOP_CLR_FD) = 0 [pid 310] close(3) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555585fe7690) = 114 ./strace-static-x86_64: Process 479 attached [pid 479] set_robust_list(0x555585fe76a0, 24) = 0 [pid 479] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 479] setpgid(0, 0) = 0 [pid 479] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 479] write(3, "1000", 4) = 4 [pid 479] close(3) = 0 [pid 479] write(1, "executing program\n", 18executing program ) = 18 [pid 479] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 479] rt_sigaction(SIGRT_1, {sa_handler=0x7f7e761dd510, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7e761cebc0}, NULL, 8) = 0 [pid 479] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 479] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7e7614e000 [pid 479] mprotect(0x7f7e7614f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 479] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 479] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7e7616e990, parent_tid=0x7f7e7616e990, exit_signal=0, stack=0x7f7e7614e000, stack_size=0x20300, tls=0x7f7e7616e6c0} => {parent_tid=[115]}, 88) = 115 ./strace-static-x86_64: Process 480 attached [pid 480] set_robust_list(0x7f7e7616e9a0, 24) = 0 [pid 480] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 480] futex(0x7f7e76242728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 479] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 479] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000 [pid 480] <... futex resumed>) = 0 [pid 479] <... futex resumed>) = 1 [pid 480] memfd_create("syzkaller", 0 [pid 479] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 480] <... memfd_create resumed>) = 3 [pid 480] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7e6dd4e000 [pid 480] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119) = 20699119 [pid 480] munmap(0x7f7e6dd4e000, 138412032) = 0 [pid 480] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 480] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 480] ioctl(4, LOOP_CLR_FD) = 0 [pid 480] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 480] close(4) = 0 [pid 480] close(3) = 0 [pid 480] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 480] futex(0x7f7e76242728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 479] <... futex resumed>) = 0 [pid 479] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 479] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 480] <... futex resumed>) = 0 [pid 480] bind(-1, NULL, 0) = -1 EBADF (Bad file descriptor) [pid 480] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 479] <... futex resumed>) = 0 [pid 479] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 479] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 480] <... futex resumed>) = 1 [pid 480] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 480] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 479] <... futex resumed>) = 0 [pid 479] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 479] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 480] <... futex resumed>) = 1 [pid 480] ioctl(3, SIOCGIFINDEX, {ifr_name="veth0_vlan"}) = -1 ENODEV (No such device) [pid 480] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 479] <... futex resumed>) = 0 [pid 479] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 479] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 480] <... futex resumed>) = 1 [pid 480] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 4 [pid 480] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 479] <... futex resumed>) = 0 [pid 479] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 479] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 480] <... futex resumed>) = 1 [pid 480] ioctl(4, SIOCGIFINDEX, {ifr_name="vlan0"}) = -1 ENODEV (No such device) [pid 480] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 479] <... futex resumed>) = 0 [pid 479] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 479] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 480] <... futex resumed>) = 1 [pid 480] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWCGROUP|CLONE_NEWPID|CLONE_NEWNET) = 0 [pid 480] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 479] <... futex resumed>) = 0 [pid 479] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 479] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 480] <... futex resumed>) = 1 [pid 480] gettid() = 115 [pid 480] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 479] <... futex resumed>) = 0 [pid 479] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 479] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 480] <... futex resumed>) = 1 [pid 480] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x73\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 40 [pid 480] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 479] <... futex resumed>) = 0 [pid 479] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 479] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 480] <... futex resumed>) = 1 [pid 480] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x6d\x30\x82\x61\x00\x00\x00\x00\x08\x00\x13\x00\x73\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 40 [pid 480] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000 [pid 479] <... futex resumed>) = 0 [pid 479] close(3) = 0 [pid 479] close(4) = 0 [pid 479] close(5) = -1 EBADF (Bad file descriptor) [pid 479] close(6) = -1 EBADF (Bad file descriptor) [pid 479] close(7) = -1 EBADF (Bad file descriptor) [pid 479] close(8) = -1 EBADF (Bad file descriptor) [pid 479] close(9) = -1 EBADF (Bad file descriptor) [pid 479] close(10) = -1 EBADF (Bad file descriptor) [pid 479] close(11) = -1 EBADF (Bad file descriptor) [pid 479] close(12) = -1 EBADF (Bad file descriptor) [pid 479] close(13) = -1 EBADF (Bad file descriptor) [pid 479] close(14) = -1 EBADF (Bad file descriptor) [pid 479] close(15) = -1 EBADF (Bad file descriptor) [pid 479] close(16) = -1 EBADF (Bad file descriptor) [pid 479] close(17) = -1 EBADF (Bad file descriptor) [pid 479] close(18) = -1 EBADF (Bad file descriptor) [pid 479] close(19) = -1 EBADF (Bad file descriptor) [pid 479] close(20) = -1 EBADF (Bad file descriptor) [pid 479] close(21) = -1 EBADF (Bad file descriptor) [pid 479] close(22) = -1 EBADF (Bad file descriptor) [pid 479] close(23) = -1 EBADF (Bad file descriptor) [pid 479] close(24) = -1 EBADF (Bad file descriptor) [pid 479] close(25) = -1 EBADF (Bad file descriptor) [pid 479] close(26) = -1 EBADF (Bad file descriptor) [pid 479] close(27) = -1 EBADF (Bad file descriptor) [pid 479] close(28) = -1 EBADF (Bad file descriptor) [pid 479] close(29) = -1 EBADF (Bad file descriptor) [pid 479] exit_group(0) = ? [pid 480] <... futex resumed>) = ? [pid 480] +++ exited with 0 +++ [pid 479] +++ exited with 0 +++ [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=114, si_uid=0, si_status=0, si_utime=5, si_stime=8} --- [pid 310] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 310] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 310] ioctl(3, LOOP_CLR_FD) = 0 [pid 310] close(3) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555585fe7690) = 116 ./strace-static-x86_64: Process 481 attached [pid 481] set_robust_list(0x555585fe76a0, 24) = 0 [pid 481] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 executing program [pid 481] setpgid(0, 0) = 0 [pid 481] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 481] write(3, "1000", 4) = 4 [pid 481] close(3) = 0 [pid 481] write(1, "executing program\n", 18) = 18 [pid 481] futex(0x7f7e7624272c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 481] rt_sigaction(SIGRT_1, {sa_handler=0x7f7e761dd510, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f7e761cebc0}, NULL, 8) = 0 [pid 481] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 481] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7e7614e000 [pid 481] mprotect(0x7f7e7614f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 481] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 481] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7e7616e990, parent_tid=0x7f7e7616e990, exit_signal=0, stack=0x7f7e7614e000, stack_size=0x20300, tls=0x7f7e7616e6c0} => {parent_tid=[117]}, 88) = 117 [pid 481] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 481] futex(0x7f7e76242728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 481] futex(0x7f7e7624272c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 482 attached [pid 482] set_robust_list(0x7f7e7616e9a0, 24) = 0 [pid 482] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 482] memfd_create("syzkaller", 0) = 3 [pid 482] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7e6dd4e000