./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2853486700 <...> Warning: Permanently added '10.128.0.79' (ECDSA) to the list of known hosts. execve("./syz-executor2853486700", ["./syz-executor2853486700"], 0x7fff18d0e730 /* 10 vars */) = 0 brk(NULL) = 0x5555558d6000 brk(0x5555558d6c40) = 0x5555558d6c40 arch_prctl(ARCH_SET_FS, 0x5555558d6300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 set_tid_address(0x5555558d65d0) = 4999 set_robust_list(0x5555558d65e0, 24) = 0 rt_sigaction(SIGRTMIN, {sa_handler=0x7f0f38859460, sa_mask=[], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x7f0f38859b30}, NULL, 8) = 0 rt_sigaction(SIGRT_1, {sa_handler=0x7f0f38859500, sa_mask=[], sa_flags=SA_RESTORER|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0f38859b30}, NULL, 8) = 0 rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2853486700", 4096) = 28 brk(0x5555558f7c40) = 0x5555558f7c40 brk(0x5555558f8000) = 0x5555558f8000 mprotect(0x7f0f3892a000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 unshare(CLONE_NEWPID) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 5000 ./strace-static-x86_64: Process 5000 attached [pid 5000] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5000] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5000] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5000] setsid() = 1 [pid 5000] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5000] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5000] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5000] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5000] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5000] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5000] unshare(CLONE_NEWNS) = 0 [pid 5000] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5000] unshare(CLONE_NEWIPC) = 0 [pid 5000] unshare(CLONE_NEWCGROUP) = 0 [pid 5000] unshare(CLONE_NEWUTS) = 0 [pid 5000] unshare(CLONE_SYSVSEM) = 0 [pid 5000] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5000] write(3, "16777216", 8) = 8 [pid 5000] close(3) = 0 [pid 5000] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5000] write(3, "536870912", 9) = 9 [pid 5000] close(3) = 0 [pid 5000] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5000] write(3, "1024", 4) = 4 [pid 5000] close(3) = 0 [pid 5000] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5000] write(3, "8192", 4) = 4 [pid 5000] close(3) = 0 [pid 5000] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5000] write(3, "1024", 4) = 4 [pid 5000] close(3) = 0 [pid 5000] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5000] write(3, "1024", 4) = 4 [pid 5000] close(3) = 0 [pid 5000] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5000] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5000] close(3) = 0 [pid 5000] getpid() = 1 [pid 5000] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 5002] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5002] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5004] <... set_robust_list resumed>) = 0 [pid 5004] memfd_create("syzkaller", 0) = 3 [pid 5004] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [ 54.129742][ T5004] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=5004 'syz-executor285' [pid 5004] 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"..., 67108864) = 67108864 [pid 5004] munmap(0x7f0f30428000, 67108864) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5004] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5004] close(3) = 0 [pid 5004] mkdir("./file0", 0777) = 0 [ 54.499507][ T5004] loop0: detected capacity change from 0 to 131072 [ 54.511209][ T5004] F2FS-fs (loop0): invalid crc value [ 54.519586][ T5004] F2FS-fs (loop0): Found nat_bits in checkpoint [pid 5004] mount("/dev/loop0", "./file0", "f2fs", MS_SYNCHRONOUS, "nodiscard,noinline_dentry,nouser_xattr,fastboot,noacl,inline_data,mode=lfs,") = 0 [pid 5004] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5004] chdir("./file0") = 0 [pid 5004] ioctl(4, LOOP_CLR_FD) = 0 [pid 5004] close(4) = 0 [pid 5004] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] <... futex resumed>) = 0 [pid 5002] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5002] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] <... futex resumed>) = 1 [ 54.543815][ T5004] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e4 [pid 5004] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5002] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5002] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5002] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5002] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5002] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5004] <... mmap resumed>) = 0x20000000 [pid 5004] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5004] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5002] <... mmap resumed>) = 0x7f0f34407000 [pid 5002] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5002] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[4], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 4 [pid 5002] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5002] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5008 attached [pid 5008] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5008] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5009 attached [pid 5009] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5002] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5002] close(3) = 0 [pid 5002] close(4) = -1 EBADF (Bad file descriptor) [pid 5002] close(5) = -1 EBADF (Bad file descriptor) [pid 5002] close(6) = -1 EBADF (Bad file descriptor) [pid 5002] close(7) = -1 EBADF (Bad file descriptor) [pid 5002] close(8) = -1 EBADF (Bad file descriptor) [pid 5002] close(9) = -1 EBADF (Bad file descriptor) [pid 5002] close(10) = -1 EBADF (Bad file descriptor) [pid 5002] close(11) = -1 EBADF (Bad file descriptor) [pid 5002] close(12) = -1 EBADF (Bad file descriptor) [pid 5002] close(13) = -1 EBADF (Bad file descriptor) [pid 5002] close(14) = -1 EBADF (Bad file descriptor) [pid 5002] close(15) = -1 EBADF (Bad file descriptor) [pid 5002] close(16) = -1 EBADF (Bad file descriptor) [pid 5002] close(17) = -1 EBADF (Bad file descriptor) [pid 5002] close(18) = -1 EBADF (Bad file descriptor) [pid 5002] close(19) = -1 EBADF (Bad file descriptor) [pid 5002] close(20) = -1 EBADF (Bad file descriptor) [pid 5002] close(21) = -1 EBADF (Bad file descriptor) [pid 5002] close(22) = -1 EBADF (Bad file descriptor) [pid 5002] close(23) = -1 EBADF (Bad file descriptor) [pid 5002] close(24) = -1 EBADF (Bad file descriptor) [pid 5002] close(25) = -1 EBADF (Bad file descriptor) [pid 5002] close(26) = -1 EBADF (Bad file descriptor) [pid 5002] close(27) = -1 EBADF (Bad file descriptor) [pid 5002] close(28) = -1 EBADF (Bad file descriptor) [pid 5002] close(29) = -1 EBADF (Bad file descriptor) [pid 5002] exit_group(0 [pid 5008] <... clone resumed>) = ? [pid 5004] <... futex resumed>) = ? [pid 5002] <... exit_group resumed>) = ? [pid 5008] +++ exited with 0 +++ [pid 5004] +++ exited with 0 +++ [pid 5002] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=44 /* 0.44 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 6 ./strace-static-x86_64: Process 5010 attached [pid 5010] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5010] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5010] setpgid(0, 0) = 0 [pid 5010] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5010] write(3, "1000", 4) = 4 [pid 5010] close(3) = 0 [pid 5010] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5010] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5010] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5010] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 7 [pid 5010] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5010] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5011 attached [pid 5011] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5011] memfd_create("syzkaller", 0) = 3 [pid 5011] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5011] 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"..., 67108864) = 67108864 [pid 5011] munmap(0x7f0f30428000, 67108864) = 0 [pid 5011] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5011] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5011] ioctl(4, LOOP_CLR_FD) = 0 [pid 5011] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5011] close(4) = 0 [pid 5011] close(3) = 0 [pid 5011] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5010] <... futex resumed>) = 0 [pid 5011] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5010] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5010] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5010] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5010] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f34407000 [pid 5010] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5010] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[8], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 8 [pid 5010] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5010] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5011] <... mmap resumed>) = 0x20000000 [pid 5011] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5011] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5012 attached [pid 5012] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5012] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5013 attached [pid 5013] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5010] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5010] close(3) = -1 EBADF (Bad file descriptor) [pid 5010] close(4) = -1 EBADF (Bad file descriptor) [pid 5010] close(5) = -1 EBADF (Bad file descriptor) [pid 5010] close(6) = -1 EBADF (Bad file descriptor) [pid 5010] close(7) = -1 EBADF (Bad file descriptor) [pid 5010] close(8) = -1 EBADF (Bad file descriptor) [pid 5010] close(9) = -1 EBADF (Bad file descriptor) [pid 5010] close(10) = -1 EBADF (Bad file descriptor) [pid 5010] close(11) = -1 EBADF (Bad file descriptor) [pid 5010] close(12) = -1 EBADF (Bad file descriptor) [pid 5010] close(13) = -1 EBADF (Bad file descriptor) [pid 5010] close(14) = -1 EBADF (Bad file descriptor) [pid 5010] close(15) = -1 EBADF (Bad file descriptor) [pid 5010] close(16) = -1 EBADF (Bad file descriptor) [pid 5010] close(17) = -1 EBADF (Bad file descriptor) [pid 5010] close(18) = -1 EBADF (Bad file descriptor) [pid 5010] close(19) = -1 EBADF (Bad file descriptor) [pid 5010] close(20) = -1 EBADF (Bad file descriptor) [pid 5010] close(21) = -1 EBADF (Bad file descriptor) [pid 5010] close(22) = -1 EBADF (Bad file descriptor) [pid 5010] close(23) = -1 EBADF (Bad file descriptor) [pid 5010] close(24) = -1 EBADF (Bad file descriptor) [pid 5010] close(25) = -1 EBADF (Bad file descriptor) [pid 5010] close(26) = -1 EBADF (Bad file descriptor) [pid 5010] close(27) = -1 EBADF (Bad file descriptor) [pid 5010] close(28) = -1 EBADF (Bad file descriptor) [pid 5010] close(29) = -1 EBADF (Bad file descriptor) [pid 5010] exit_group(0 [pid 5012] <... clone resumed>) = ? [pid 5011] <... futex resumed>) = ? [pid 5010] <... exit_group resumed>) = ? [pid 5012] +++ exited with 0 +++ [pid 5011] +++ exited with 0 +++ [pid 5010] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6, si_uid=0, si_status=0, si_utime=12 /* 0.12 s */, si_stime=75 /* 0.75 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 10 ./strace-static-x86_64: Process 5014 attached [pid 5014] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5014] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5014] setpgid(0, 0) = 0 [pid 5014] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5014] write(3, "1000", 4) = 4 [pid 5014] close(3) = 0 [pid 5014] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5014] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5014] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5014] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[11], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 11 [pid 5014] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5014] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5015 attached [pid 5015] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5015] memfd_create("syzkaller", 0) = 3 [pid 5015] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5013] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=9, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=28 /* 0.28 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5015] 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"..., 67108864) = 67108864 [pid 5015] munmap(0x7f0f30428000, 67108864) = 0 [pid 5015] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5015] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5015] ioctl(4, LOOP_CLR_FD) = 0 [pid 5015] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5015] close(4) = 0 [pid 5015] close(3) = 0 [pid 5015] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5014] <... futex resumed>) = 0 [pid 5014] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5014] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5015] <... futex resumed>) = 1 [pid 5015] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5014] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5014] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5014] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5015] <... mmap resumed>) = 0x20000000 [pid 5015] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5015] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5014] <... mmap resumed>) = 0x7f0f34407000 [pid 5014] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5014] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 5016 attached , parent_tid=[12], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 12 [pid 5014] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5016] set_robust_list(0x7f0f344279e0, 24 [pid 5014] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5016] <... set_robust_list resumed>) = 0 [pid 5016] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5017 attached [pid 5017] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5014] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5014] close(3) = -1 EBADF (Bad file descriptor) [pid 5014] close(4) = -1 EBADF (Bad file descriptor) [pid 5014] close(5) = -1 EBADF (Bad file descriptor) [pid 5014] close(6) = -1 EBADF (Bad file descriptor) [pid 5014] close(7) = -1 EBADF (Bad file descriptor) [pid 5014] close(8) = -1 EBADF (Bad file descriptor) [pid 5014] close(9) = -1 EBADF (Bad file descriptor) [pid 5014] close(10) = -1 EBADF (Bad file descriptor) [pid 5014] close(11) = -1 EBADF (Bad file descriptor) [pid 5014] close(12) = -1 EBADF (Bad file descriptor) [pid 5014] close(13) = -1 EBADF (Bad file descriptor) [pid 5014] close(14) = -1 EBADF (Bad file descriptor) [pid 5014] close(15) = -1 EBADF (Bad file descriptor) [pid 5014] close(16) = -1 EBADF (Bad file descriptor) [pid 5014] close(17) = -1 EBADF (Bad file descriptor) [pid 5014] close(18) = -1 EBADF (Bad file descriptor) [pid 5014] close(19) = -1 EBADF (Bad file descriptor) [pid 5014] close(20) = -1 EBADF (Bad file descriptor) [pid 5014] close(21) = -1 EBADF (Bad file descriptor) [pid 5014] close(22) = -1 EBADF (Bad file descriptor) [pid 5014] close(23) = -1 EBADF (Bad file descriptor) [pid 5014] close(24) = -1 EBADF (Bad file descriptor) [pid 5014] close(25) = -1 EBADF (Bad file descriptor) [pid 5014] close(26) = -1 EBADF (Bad file descriptor) [pid 5014] close(27) = -1 EBADF (Bad file descriptor) [pid 5014] close(28) = -1 EBADF (Bad file descriptor) [pid 5014] close(29) = -1 EBADF (Bad file descriptor) [pid 5014] exit_group(0 [pid 5016] <... clone resumed>) = ? [pid 5015] <... futex resumed>) = ? [pid 5014] <... exit_group resumed>) = ? [pid 5016] +++ exited with 0 +++ [pid 5015] +++ exited with 0 +++ [pid 5014] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10, si_uid=0, si_status=0, si_utime=11 /* 0.11 s */, si_stime=74 /* 0.74 s */} --- [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 14 ./strace-static-x86_64: Process 5018 attached [pid 5018] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5018] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5018] setpgid(0, 0) = 0 [pid 5018] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5018] write(3, "1000", 4) = 4 [pid 5018] close(3) = 0 [pid 5018] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5018] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5018] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5018] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[15], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 15 [pid 5018] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5018] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5019 attached [pid 5019] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5019] memfd_create("syzkaller", 0) = 3 [pid 5019] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5019] 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"..., 67108864 [pid 5017] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=13, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=43 /* 0.43 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5019] <... write resumed>) = 67108864 [pid 5019] munmap(0x7f0f30428000, 67108864) = 0 [pid 5019] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5019] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5019] ioctl(4, LOOP_CLR_FD) = 0 [pid 5019] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5019] close(4) = 0 [pid 5019] close(3) = 0 [pid 5019] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5018] <... futex resumed>) = 0 [pid 5018] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5018] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5019] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5018] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5018] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5018] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5018] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5019] <... mmap resumed>) = 0x20000000 [pid 5018] <... mmap resumed>) = 0x7f0f34407000 [pid 5018] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE [pid 5019] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5018] <... mprotect resumed>) = 0 [pid 5018] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5019] <... futex resumed>) = 0 [pid 5018] <... clone resumed>, parent_tid=[16], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 16 [pid 5018] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5019] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5018] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5020 attached [pid 5020] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5020] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5021 attached [pid 5021] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5018] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5018] close(3) = -1 EBADF (Bad file descriptor) [pid 5018] close(4) = -1 EBADF (Bad file descriptor) [pid 5018] close(5) = -1 EBADF (Bad file descriptor) [pid 5018] close(6) = -1 EBADF (Bad file descriptor) [pid 5018] close(7) = -1 EBADF (Bad file descriptor) [pid 5018] close(8) = -1 EBADF (Bad file descriptor) [pid 5018] close(9) = -1 EBADF (Bad file descriptor) [pid 5018] close(10) = -1 EBADF (Bad file descriptor) [pid 5018] close(11) = -1 EBADF (Bad file descriptor) [pid 5018] close(12) = -1 EBADF (Bad file descriptor) [pid 5018] close(13) = -1 EBADF (Bad file descriptor) [pid 5018] close(14) = -1 EBADF (Bad file descriptor) [pid 5018] close(15) = -1 EBADF (Bad file descriptor) [pid 5018] close(16) = -1 EBADF (Bad file descriptor) [pid 5018] close(17) = -1 EBADF (Bad file descriptor) [pid 5018] close(18) = -1 EBADF (Bad file descriptor) [pid 5018] close(19) = -1 EBADF (Bad file descriptor) [pid 5018] close(20) = -1 EBADF (Bad file descriptor) [pid 5018] close(21) = -1 EBADF (Bad file descriptor) [pid 5018] close(22) = -1 EBADF (Bad file descriptor) [pid 5018] close(23) = -1 EBADF (Bad file descriptor) [pid 5018] close(24) = -1 EBADF (Bad file descriptor) [pid 5018] close(25) = -1 EBADF (Bad file descriptor) [pid 5018] close(26) = -1 EBADF (Bad file descriptor) [pid 5018] close(27) = -1 EBADF (Bad file descriptor) [pid 5018] close(28) = -1 EBADF (Bad file descriptor) [pid 5018] close(29) = -1 EBADF (Bad file descriptor) [pid 5018] exit_group(0 [pid 5020] <... clone resumed>) = ? [pid 5019] <... futex resumed>) = ? [pid 5018] <... exit_group resumed>) = ? [pid 5020] +++ exited with 0 +++ [pid 5019] +++ exited with 0 +++ [pid 5018] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14, si_uid=0, si_status=0, si_utime=17 /* 0.17 s */, si_stime=75 /* 0.75 s */} --- [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 18 ./strace-static-x86_64: Process 5022 attached [pid 5022] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5022] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5022] setpgid(0, 0) = 0 [pid 5022] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5022] write(3, "1000", 4) = 4 [pid 5022] close(3) = 0 [pid 5022] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5022] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5022] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5022] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[19], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 19 [pid 5022] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5022] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5023 attached [pid 5023] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5023] memfd_create("syzkaller", 0) = 3 [pid 5023] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5023] 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"..., 67108864 [pid 5021] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=17, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=38 /* 0.38 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5023] <... write resumed>) = 67108864 [pid 5023] munmap(0x7f0f30428000, 67108864) = 0 [pid 5023] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5023] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5023] ioctl(4, LOOP_CLR_FD) = 0 [pid 5023] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5023] close(4) = 0 [pid 5023] close(3) = 0 [pid 5023] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5023] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5022] <... futex resumed>) = 0 [pid 5022] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5022] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5023] <... futex resumed>) = 0 [pid 5023] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5022] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5022] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5022] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5022] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5023] <... mmap resumed>) = 0x20000000 [pid 5022] <... mmap resumed>) = 0x7f0f34407000 [pid 5022] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5022] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5023] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5022] <... clone resumed>, parent_tid=[20], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 20 [pid 5022] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5022] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5023] <... futex resumed>) = 0 [pid 5023] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5024 attached [pid 5024] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5024] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5025 attached [pid 5025] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5022] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5022] close(3) = -1 EBADF (Bad file descriptor) [pid 5022] close(4) = -1 EBADF (Bad file descriptor) [pid 5022] close(5) = -1 EBADF (Bad file descriptor) [pid 5022] close(6) = -1 EBADF (Bad file descriptor) [pid 5022] close(7) = -1 EBADF (Bad file descriptor) [pid 5022] close(8) = -1 EBADF (Bad file descriptor) [pid 5022] close(9) = -1 EBADF (Bad file descriptor) [pid 5022] close(10) = -1 EBADF (Bad file descriptor) [pid 5022] close(11) = -1 EBADF (Bad file descriptor) [pid 5022] close(12) = -1 EBADF (Bad file descriptor) [pid 5022] close(13) = -1 EBADF (Bad file descriptor) [pid 5022] close(14) = -1 EBADF (Bad file descriptor) [pid 5022] close(15) = -1 EBADF (Bad file descriptor) [pid 5022] close(16) = -1 EBADF (Bad file descriptor) [pid 5022] close(17) = -1 EBADF (Bad file descriptor) [pid 5022] close(18) = -1 EBADF (Bad file descriptor) [pid 5022] close(19) = -1 EBADF (Bad file descriptor) [pid 5022] close(20) = -1 EBADF (Bad file descriptor) [pid 5022] close(21) = -1 EBADF (Bad file descriptor) [pid 5022] close(22) = -1 EBADF (Bad file descriptor) [pid 5022] close(23) = -1 EBADF (Bad file descriptor) [pid 5022] close(24) = -1 EBADF (Bad file descriptor) [pid 5022] close(25) = -1 EBADF (Bad file descriptor) [pid 5022] close(26) = -1 EBADF (Bad file descriptor) [pid 5022] close(27) = -1 EBADF (Bad file descriptor) [pid 5022] close(28) = -1 EBADF (Bad file descriptor) [pid 5022] close(29) = -1 EBADF (Bad file descriptor) [pid 5022] exit_group(0 [pid 5024] <... clone resumed>) = ? [pid 5023] <... futex resumed>) = ? [pid 5022] <... exit_group resumed>) = ? [pid 5024] +++ exited with 0 +++ [pid 5023] +++ exited with 0 +++ [pid 5022] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18, si_uid=0, si_status=0, si_utime=20 /* 0.20 s */, si_stime=64 /* 0.64 s */} --- [pid 5000] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 22 ./strace-static-x86_64: Process 5026 attached [pid 5026] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5026] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5026] setpgid(0, 0) = 0 [pid 5026] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5026] write(3, "1000", 4) = 4 [pid 5026] close(3) = 0 [pid 5026] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5026] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5026] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5026] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[23], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 23 [pid 5026] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5026] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5027 attached [pid 5027] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5027] memfd_create("syzkaller", 0) = 3 [pid 5027] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5025] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=21, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=37 /* 0.37 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5027] 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"..., 67108864) = 67108864 [pid 5027] munmap(0x7f0f30428000, 67108864) = 0 [pid 5027] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5027] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5027] ioctl(4, LOOP_CLR_FD) = 0 [pid 5027] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5027] close(4) = 0 [pid 5027] close(3) = 0 [pid 5027] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5026] <... futex resumed>) = 0 [pid 5026] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5026] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5027] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5026] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5026] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5026] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5027] <... mmap resumed>) = 0x20000000 [pid 5026] <... mmap resumed>) = 0x7f0f34407000 [pid 5026] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE [pid 5027] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5026] <... mprotect resumed>) = 0 [pid 5026] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[24], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 24 [pid 5026] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5026] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5027] <... futex resumed>) = 0 [pid 5027] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5028 attached [pid 5028] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5028] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5029 attached [pid 5029] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5026] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5026] close(3) = -1 EBADF (Bad file descriptor) [pid 5026] close(4) = -1 EBADF (Bad file descriptor) [pid 5026] close(5) = -1 EBADF (Bad file descriptor) [pid 5026] close(6) = -1 EBADF (Bad file descriptor) [pid 5026] close(7) = -1 EBADF (Bad file descriptor) [pid 5026] close(8) = -1 EBADF (Bad file descriptor) [pid 5026] close(9) = -1 EBADF (Bad file descriptor) [pid 5026] close(10) = -1 EBADF (Bad file descriptor) [pid 5026] close(11) = -1 EBADF (Bad file descriptor) [pid 5026] close(12) = -1 EBADF (Bad file descriptor) [pid 5026] close(13) = -1 EBADF (Bad file descriptor) [pid 5026] close(14) = -1 EBADF (Bad file descriptor) [pid 5026] close(15) = -1 EBADF (Bad file descriptor) [pid 5026] close(16) = -1 EBADF (Bad file descriptor) [pid 5026] close(17) = -1 EBADF (Bad file descriptor) [pid 5026] close(18) = -1 EBADF (Bad file descriptor) [pid 5026] close(19) = -1 EBADF (Bad file descriptor) [pid 5026] close(20) = -1 EBADF (Bad file descriptor) [pid 5026] close(21) = -1 EBADF (Bad file descriptor) [pid 5026] close(22) = -1 EBADF (Bad file descriptor) [pid 5026] close(23) = -1 EBADF (Bad file descriptor) [pid 5026] close(24) = -1 EBADF (Bad file descriptor) [pid 5026] close(25) = -1 EBADF (Bad file descriptor) [pid 5026] close(26) = -1 EBADF (Bad file descriptor) [pid 5026] close(27) = -1 EBADF (Bad file descriptor) [pid 5026] close(28) = -1 EBADF (Bad file descriptor) [pid 5026] close(29) = -1 EBADF (Bad file descriptor) [pid 5026] exit_group(0 [pid 5028] <... clone resumed>) = ? [pid 5027] <... futex resumed>) = ? [pid 5026] <... exit_group resumed>) = ? [pid 5028] +++ exited with 0 +++ [pid 5027] +++ exited with 0 +++ [pid 5026] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22, si_uid=0, si_status=0, si_utime=14 /* 0.14 s */, si_stime=73 /* 0.73 s */} --- [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 26 ./strace-static-x86_64: Process 5030 attached [pid 5030] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5030] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5030] setpgid(0, 0) = 0 [pid 5030] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5030] write(3, "1000", 4) = 4 [pid 5030] close(3) = 0 [pid 5030] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5030] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5030] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5030] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[27], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 27 [pid 5030] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5030] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5031 attached [pid 5031] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5031] memfd_create("syzkaller", 0) = 3 [pid 5031] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5029] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=25, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=33 /* 0.33 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5031] 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"..., 67108864) = 67108864 [pid 5031] munmap(0x7f0f30428000, 67108864) = 0 [pid 5031] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5031] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5031] ioctl(4, LOOP_CLR_FD) = 0 [pid 5031] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5031] close(4) = 0 [pid 5031] close(3) = 0 [pid 5031] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5031] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5030] <... futex resumed>) = 0 [pid 5030] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5031] <... futex resumed>) = 0 [pid 5031] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5030] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5030] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5030] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5031] <... mmap resumed>) = 0x20000000 [pid 5031] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5031] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5030] <... mmap resumed>) = 0x7f0f34407000 [pid 5030] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5030] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 5032 attached , parent_tid=[28], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 28 [pid 5032] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5032] futex(0x7f0f389306d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5030] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5032] <... futex resumed>) = 0 [pid 5032] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO [pid 5030] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5033 attached [pid 5033] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5030] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5030] close(3) = -1 EBADF (Bad file descriptor) [pid 5030] close(4) = -1 EBADF (Bad file descriptor) [pid 5030] close(5) = -1 EBADF (Bad file descriptor) [pid 5030] close(6) = -1 EBADF (Bad file descriptor) [pid 5030] close(7) = -1 EBADF (Bad file descriptor) [pid 5030] close(8) = -1 EBADF (Bad file descriptor) [pid 5030] close(9) = -1 EBADF (Bad file descriptor) [pid 5030] close(10) = -1 EBADF (Bad file descriptor) [pid 5030] close(11) = -1 EBADF (Bad file descriptor) [pid 5030] close(12) = -1 EBADF (Bad file descriptor) [pid 5030] close(13) = -1 EBADF (Bad file descriptor) [pid 5030] close(14) = -1 EBADF (Bad file descriptor) [pid 5030] close(15) = -1 EBADF (Bad file descriptor) [pid 5030] close(16) = -1 EBADF (Bad file descriptor) [pid 5030] close(17) = -1 EBADF (Bad file descriptor) [pid 5030] close(18) = -1 EBADF (Bad file descriptor) [pid 5030] close(19) = -1 EBADF (Bad file descriptor) [pid 5030] close(20) = -1 EBADF (Bad file descriptor) [pid 5030] close(21) = -1 EBADF (Bad file descriptor) [pid 5030] close(22) = -1 EBADF (Bad file descriptor) [pid 5030] close(23) = -1 EBADF (Bad file descriptor) [pid 5030] close(24) = -1 EBADF (Bad file descriptor) [pid 5030] close(25) = -1 EBADF (Bad file descriptor) [pid 5030] close(26) = -1 EBADF (Bad file descriptor) [pid 5030] close(27) = -1 EBADF (Bad file descriptor) [pid 5030] close(28) = -1 EBADF (Bad file descriptor) [pid 5030] close(29) = -1 EBADF (Bad file descriptor) [pid 5030] exit_group(0 [pid 5032] <... clone resumed>) = ? [pid 5031] <... futex resumed>) = ? [pid 5030] <... exit_group resumed>) = ? [pid 5032] +++ exited with 0 +++ [pid 5031] +++ exited with 0 +++ [pid 5030] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26, si_uid=0, si_status=0, si_utime=12 /* 0.12 s */, si_stime=79 /* 0.79 s */} --- [pid 5000] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 30 ./strace-static-x86_64: Process 5034 attached [pid 5034] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5034] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5034] setpgid(0, 0) = 0 [pid 5034] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5034] write(3, "1000", 4) = 4 [pid 5034] close(3) = 0 [pid 5034] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5034] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5034] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5034] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[31], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 31 [pid 5034] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5034] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5035 attached [pid 5035] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5035] memfd_create("syzkaller", 0) = 3 [pid 5035] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5033] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=29, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=36 /* 0.36 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5035] 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"..., 67108864) = 67108864 [pid 5035] munmap(0x7f0f30428000, 67108864) = 0 [pid 5035] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5035] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5035] ioctl(4, LOOP_CLR_FD) = 0 [pid 5035] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5035] close(4) = 0 [pid 5035] close(3) = 0 [pid 5035] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5034] <... futex resumed>) = 0 [pid 5034] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5034] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5035] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5034] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5034] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5034] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5035] <... mmap resumed>) = 0x20000000 [pid 5034] <... mmap resumed>) = 0x7f0f34407000 [pid 5034] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE [pid 5035] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5034] <... mprotect resumed>) = 0 [pid 5034] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5035] <... futex resumed>) = 0 [pid 5034] <... clone resumed>, parent_tid=[32], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 32 [pid 5034] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5034] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5035] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5036 attached [pid 5036] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5036] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5037 attached [pid 5037] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5034] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5034] close(3) = -1 EBADF (Bad file descriptor) [pid 5034] close(4) = -1 EBADF (Bad file descriptor) [pid 5034] close(5) = -1 EBADF (Bad file descriptor) [pid 5034] close(6) = -1 EBADF (Bad file descriptor) [pid 5034] close(7) = -1 EBADF (Bad file descriptor) [pid 5034] close(8) = -1 EBADF (Bad file descriptor) [pid 5034] close(9) = -1 EBADF (Bad file descriptor) [pid 5034] close(10) = -1 EBADF (Bad file descriptor) [pid 5034] close(11) = -1 EBADF (Bad file descriptor) [pid 5034] close(12) = -1 EBADF (Bad file descriptor) [pid 5034] close(13) = -1 EBADF (Bad file descriptor) [pid 5034] close(14) = -1 EBADF (Bad file descriptor) [pid 5034] close(15) = -1 EBADF (Bad file descriptor) [pid 5034] close(16) = -1 EBADF (Bad file descriptor) [pid 5034] close(17) = -1 EBADF (Bad file descriptor) [pid 5034] close(18) = -1 EBADF (Bad file descriptor) [pid 5034] close(19) = -1 EBADF (Bad file descriptor) [pid 5034] close(20) = -1 EBADF (Bad file descriptor) [pid 5034] close(21) = -1 EBADF (Bad file descriptor) [pid 5034] close(22) = -1 EBADF (Bad file descriptor) [pid 5034] close(23) = -1 EBADF (Bad file descriptor) [pid 5034] close(24) = -1 EBADF (Bad file descriptor) [pid 5034] close(25) = -1 EBADF (Bad file descriptor) [pid 5034] close(26) = -1 EBADF (Bad file descriptor) [pid 5034] close(27) = -1 EBADF (Bad file descriptor) [pid 5034] close(28) = -1 EBADF (Bad file descriptor) [pid 5034] close(29) = -1 EBADF (Bad file descriptor) [pid 5034] exit_group(0 [pid 5036] <... clone resumed>) = ? [pid 5035] <... futex resumed>) = ? [pid 5034] <... exit_group resumed>) = ? [pid 5036] +++ exited with 0 +++ [pid 5035] +++ exited with 0 +++ [pid 5034] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=30, si_uid=0, si_status=0, si_utime=17 /* 0.17 s */, si_stime=71 /* 0.71 s */} --- [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 34 ./strace-static-x86_64: Process 5038 attached [pid 5038] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5038] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5038] setpgid(0, 0) = 0 [pid 5038] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5038] write(3, "1000", 4) = 4 [pid 5038] close(3) = 0 [pid 5038] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5038] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5038] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5038] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[35], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 35 [pid 5038] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5038] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5039 attached [pid 5039] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5039] memfd_create("syzkaller", 0) = 3 [pid 5039] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5037] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=33, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=35 /* 0.35 s */} --- [pid 5039] 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"..., 67108864) = 67108864 [pid 5039] munmap(0x7f0f30428000, 67108864) = 0 [pid 5039] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5039] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5039] ioctl(4, LOOP_CLR_FD) = 0 [pid 5039] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5039] close(4) = 0 [pid 5039] close(3) = 0 [pid 5039] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5038] <... futex resumed>) = 0 [pid 5038] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5038] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5039] <... futex resumed>) = 1 [pid 5039] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5038] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5038] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5038] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5038] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f34407000 [pid 5038] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5038] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[36], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 36 [pid 5038] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5038] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5039] <... mmap resumed>) = 0x20000000 [pid 5039] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5039] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5040 attached [pid 5040] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5040] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5041 attached [pid 5041] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5038] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5038] close(3) = -1 EBADF (Bad file descriptor) [pid 5038] close(4) = -1 EBADF (Bad file descriptor) [pid 5038] close(5) = -1 EBADF (Bad file descriptor) [pid 5038] close(6) = -1 EBADF (Bad file descriptor) [pid 5038] close(7) = -1 EBADF (Bad file descriptor) [pid 5038] close(8) = -1 EBADF (Bad file descriptor) [pid 5038] close(9) = -1 EBADF (Bad file descriptor) [pid 5038] close(10) = -1 EBADF (Bad file descriptor) [pid 5038] close(11) = -1 EBADF (Bad file descriptor) [pid 5038] close(12) = -1 EBADF (Bad file descriptor) [pid 5038] close(13) = -1 EBADF (Bad file descriptor) [pid 5038] close(14) = -1 EBADF (Bad file descriptor) [pid 5038] close(15) = -1 EBADF (Bad file descriptor) [pid 5038] close(16) = -1 EBADF (Bad file descriptor) [pid 5038] close(17) = -1 EBADF (Bad file descriptor) [pid 5038] close(18) = -1 EBADF (Bad file descriptor) [pid 5038] close(19) = -1 EBADF (Bad file descriptor) [pid 5038] close(20) = -1 EBADF (Bad file descriptor) [pid 5038] close(21) = -1 EBADF (Bad file descriptor) [pid 5038] close(22) = -1 EBADF (Bad file descriptor) [pid 5038] close(23) = -1 EBADF (Bad file descriptor) [pid 5038] close(24) = -1 EBADF (Bad file descriptor) [pid 5038] close(25) = -1 EBADF (Bad file descriptor) [pid 5038] close(26) = -1 EBADF (Bad file descriptor) [pid 5038] close(27) = -1 EBADF (Bad file descriptor) [pid 5038] close(28) = -1 EBADF (Bad file descriptor) [pid 5038] close(29) = -1 EBADF (Bad file descriptor) [pid 5038] exit_group(0 [pid 5040] <... clone resumed>) = ? [pid 5039] <... futex resumed>) = ? [pid 5038] <... exit_group resumed>) = ? [pid 5040] +++ exited with 0 +++ [pid 5039] +++ exited with 0 +++ [pid 5038] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=34, si_uid=0, si_status=0, si_utime=19 /* 0.19 s */, si_stime=76 /* 0.76 s */} --- [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 38 ./strace-static-x86_64: Process 5042 attached [pid 5042] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5042] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5042] setpgid(0, 0) = 0 [pid 5042] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5042] write(3, "1000", 4) = 4 [pid 5042] close(3) = 0 [pid 5042] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5042] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5042] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5042] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[39], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 39 [pid 5042] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5042] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5043 attached [pid 5043] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5043] memfd_create("syzkaller", 0) = 3 [pid 5043] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5043] 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"..., 67108864 [pid 5041] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=37, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=41 /* 0.41 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5043] <... write resumed>) = 67108864 [pid 5043] munmap(0x7f0f30428000, 67108864) = 0 [pid 5043] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5043] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5043] ioctl(4, LOOP_CLR_FD) = 0 [pid 5043] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5043] close(4) = 0 [pid 5043] close(3) = 0 [pid 5043] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5042] <... futex resumed>) = 0 [pid 5042] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5042] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5043] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5042] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5042] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5042] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5043] <... mmap resumed>) = 0x20000000 [pid 5042] <... mmap resumed>) = 0x7f0f34407000 [pid 5042] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5042] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5043] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5042] <... clone resumed>, parent_tid=[40], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 40 [pid 5042] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5042] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5043] <... futex resumed>) = 0 [pid 5043] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5044 attached [pid 5044] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5044] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5045 attached [pid 5045] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5042] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5042] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5042] close(3) = -1 EBADF (Bad file descriptor) [pid 5042] close(4) = -1 EBADF (Bad file descriptor) [pid 5042] close(5) = -1 EBADF (Bad file descriptor) [pid 5042] close(6) = -1 EBADF (Bad file descriptor) [pid 5042] close(7) = -1 EBADF (Bad file descriptor) [pid 5042] close(8) = -1 EBADF (Bad file descriptor) [pid 5042] close(9) = -1 EBADF (Bad file descriptor) [pid 5042] close(10) = -1 EBADF (Bad file descriptor) [pid 5042] close(11) = -1 EBADF (Bad file descriptor) [pid 5042] close(12) = -1 EBADF (Bad file descriptor) [pid 5042] close(13) = -1 EBADF (Bad file descriptor) [pid 5042] close(14) = -1 EBADF (Bad file descriptor) [pid 5042] close(15) = -1 EBADF (Bad file descriptor) [pid 5042] close(16) = -1 EBADF (Bad file descriptor) [pid 5042] close(17) = -1 EBADF (Bad file descriptor) [pid 5042] close(18) = -1 EBADF (Bad file descriptor) [pid 5042] close(19) = -1 EBADF (Bad file descriptor) [pid 5042] close(20) = -1 EBADF (Bad file descriptor) [pid 5042] close(21) = -1 EBADF (Bad file descriptor) [pid 5042] close(22) = -1 EBADF (Bad file descriptor) [pid 5042] close(23) = -1 EBADF (Bad file descriptor) [pid 5042] close(24) = -1 EBADF (Bad file descriptor) [pid 5042] close(25) = -1 EBADF (Bad file descriptor) [pid 5042] close(26) = -1 EBADF (Bad file descriptor) [pid 5042] close(27) = -1 EBADF (Bad file descriptor) [pid 5042] close(28) = -1 EBADF (Bad file descriptor) [pid 5042] close(29) = -1 EBADF (Bad file descriptor) [pid 5042] exit_group(0 [pid 5044] <... clone resumed>) = ? [pid 5043] <... futex resumed>) = ? [pid 5042] <... exit_group resumed>) = ? [pid 5044] +++ exited with 0 +++ [pid 5043] +++ exited with 0 +++ [pid 5042] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=38, si_uid=0, si_status=0, si_utime=17 /* 0.17 s */, si_stime=71 /* 0.71 s */} --- [pid 5000] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 42 ./strace-static-x86_64: Process 5046 attached [pid 5046] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5046] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5046] setpgid(0, 0) = 0 [pid 5046] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5046] write(3, "1000", 4) = 4 [pid 5046] close(3) = 0 [pid 5046] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5046] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5046] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5046] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[43], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 43 [pid 5046] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5046] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5047 attached [pid 5047] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5047] memfd_create("syzkaller", 0) = 3 [pid 5047] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5045] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=41, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=41 /* 0.41 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5047] 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"..., 67108864) = 67108864 [pid 5047] munmap(0x7f0f30428000, 67108864) = 0 [pid 5047] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5047] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5047] ioctl(4, LOOP_CLR_FD) = 0 [pid 5047] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5047] close(4) = 0 [pid 5047] close(3) = 0 [pid 5047] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5046] <... futex resumed>) = 0 [pid 5046] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5046] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5047] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5046] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5046] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5046] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5047] <... mmap resumed>) = 0x20000000 [pid 5046] <... mmap resumed>) = 0x7f0f34407000 [pid 5046] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5047] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5046] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[44], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 44 [pid 5047] <... futex resumed>) = 0 [pid 5046] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5047] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5046] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5048 attached [pid 5048] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5048] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5049 attached [pid 5049] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5046] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5046] close(3) = -1 EBADF (Bad file descriptor) [pid 5046] close(4) = -1 EBADF (Bad file descriptor) [pid 5046] close(5) = -1 EBADF (Bad file descriptor) [pid 5046] close(6) = -1 EBADF (Bad file descriptor) [pid 5046] close(7) = -1 EBADF (Bad file descriptor) [pid 5046] close(8) = -1 EBADF (Bad file descriptor) [pid 5046] close(9) = -1 EBADF (Bad file descriptor) [pid 5046] close(10) = -1 EBADF (Bad file descriptor) [pid 5046] close(11) = -1 EBADF (Bad file descriptor) [pid 5046] close(12) = -1 EBADF (Bad file descriptor) [pid 5046] close(13) = -1 EBADF (Bad file descriptor) [pid 5046] close(14) = -1 EBADF (Bad file descriptor) [pid 5046] close(15) = -1 EBADF (Bad file descriptor) [pid 5046] close(16) = -1 EBADF (Bad file descriptor) [pid 5046] close(17) = -1 EBADF (Bad file descriptor) [pid 5046] close(18) = -1 EBADF (Bad file descriptor) [pid 5046] close(19) = -1 EBADF (Bad file descriptor) [pid 5046] close(20) = -1 EBADF (Bad file descriptor) [pid 5046] close(21) = -1 EBADF (Bad file descriptor) [pid 5046] close(22) = -1 EBADF (Bad file descriptor) [pid 5046] close(23) = -1 EBADF (Bad file descriptor) [pid 5046] close(24) = -1 EBADF (Bad file descriptor) [pid 5046] close(25) = -1 EBADF (Bad file descriptor) [pid 5046] close(26) = -1 EBADF (Bad file descriptor) [pid 5046] close(27) = -1 EBADF (Bad file descriptor) [pid 5046] close(28) = -1 EBADF (Bad file descriptor) [pid 5046] close(29) = -1 EBADF (Bad file descriptor) [pid 5046] exit_group(0 [pid 5048] <... clone resumed>) = ? [pid 5047] <... futex resumed>) = ? [pid 5046] <... exit_group resumed>) = ? [pid 5048] +++ exited with 0 +++ [pid 5047] +++ exited with 0 +++ [pid 5046] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=42, si_uid=0, si_status=0, si_utime=15 /* 0.15 s */, si_stime=81 /* 0.81 s */} --- [pid 5000] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 46 ./strace-static-x86_64: Process 5050 attached [pid 5050] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5050] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5050] setpgid(0, 0) = 0 [pid 5050] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5050] write(3, "1000", 4) = 4 [pid 5050] close(3) = 0 [pid 5050] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5050] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5050] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5050] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[47], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 47 [pid 5050] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5050] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5051 attached [pid 5051] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5051] memfd_create("syzkaller", 0) = 3 [pid 5051] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5049] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=45, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=42 /* 0.42 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [ 70.498622][ T26] cfg80211: failed to load regulatory.db [pid 5051] 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"..., 67108864) = 67108864 [pid 5051] munmap(0x7f0f30428000, 67108864) = 0 [pid 5051] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5051] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5051] ioctl(4, LOOP_CLR_FD) = 0 [pid 5051] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5051] close(4) = 0 [pid 5051] close(3) = 0 [pid 5051] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5051] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5050] <... futex resumed>) = 0 [pid 5050] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5051] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5050] <... futex resumed>) = 0 [pid 5050] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5050] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5050] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5051] <... mmap resumed>) = 0x20000000 [pid 5050] <... mmap resumed>) = 0x7f0f34407000 [pid 5051] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5050] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE [pid 5051] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5050] <... mprotect resumed>) = 0 [pid 5050] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[48], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 48 [pid 5050] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5050] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5052 attached [pid 5052] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5052] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5053 attached [pid 5053] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5050] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5050] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5050] close(3) = -1 EBADF (Bad file descriptor) [pid 5050] close(4) = -1 EBADF (Bad file descriptor) [pid 5050] close(5) = -1 EBADF (Bad file descriptor) [pid 5050] close(6) = -1 EBADF (Bad file descriptor) [pid 5050] close(7) = -1 EBADF (Bad file descriptor) [pid 5050] close(8) = -1 EBADF (Bad file descriptor) [pid 5050] close(9) = -1 EBADF (Bad file descriptor) [pid 5050] close(10) = -1 EBADF (Bad file descriptor) [pid 5050] close(11) = -1 EBADF (Bad file descriptor) [pid 5050] close(12) = -1 EBADF (Bad file descriptor) [pid 5050] close(13) = -1 EBADF (Bad file descriptor) [pid 5050] close(14) = -1 EBADF (Bad file descriptor) [pid 5050] close(15) = -1 EBADF (Bad file descriptor) [pid 5050] close(16) = -1 EBADF (Bad file descriptor) [pid 5050] close(17) = -1 EBADF (Bad file descriptor) [pid 5050] close(18) = -1 EBADF (Bad file descriptor) [pid 5050] close(19) = -1 EBADF (Bad file descriptor) [pid 5050] close(20) = -1 EBADF (Bad file descriptor) [pid 5050] close(21) = -1 EBADF (Bad file descriptor) [pid 5050] close(22) = -1 EBADF (Bad file descriptor) [pid 5050] close(23) = -1 EBADF (Bad file descriptor) [pid 5050] close(24) = -1 EBADF (Bad file descriptor) [pid 5050] close(25) = -1 EBADF (Bad file descriptor) [pid 5050] close(26) = -1 EBADF (Bad file descriptor) [pid 5050] close(27) = -1 EBADF (Bad file descriptor) [pid 5050] close(28) = -1 EBADF (Bad file descriptor) [pid 5050] close(29) = -1 EBADF (Bad file descriptor) [pid 5050] exit_group(0 [pid 5052] <... clone resumed>) = ? [pid 5051] <... futex resumed>) = ? [pid 5050] <... exit_group resumed>) = ? [pid 5052] +++ exited with 0 +++ [pid 5051] +++ exited with 0 +++ [pid 5050] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=46, si_uid=0, si_status=0, si_utime=15 /* 0.15 s */, si_stime=73 /* 0.73 s */} --- [pid 5000] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 50 ./strace-static-x86_64: Process 5054 attached [pid 5054] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5054] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5054] setpgid(0, 0) = 0 [pid 5054] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5054] write(3, "1000", 4) = 4 [pid 5054] close(3) = 0 [pid 5054] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5054] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5054] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5054] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[51], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 51 [pid 5054] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5054] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5055 attached [pid 5055] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5055] memfd_create("syzkaller", 0) = 3 [pid 5055] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5053] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=49, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=39 /* 0.39 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5055] 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"..., 67108864) = 67108864 [pid 5055] munmap(0x7f0f30428000, 67108864) = 0 [pid 5055] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5055] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5055] ioctl(4, LOOP_CLR_FD) = 0 [pid 5055] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5055] close(4) = 0 [pid 5055] close(3) = 0 [pid 5055] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] <... futex resumed>) = 0 [pid 5054] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5054] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5055] <... futex resumed>) = 1 [pid 5055] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5054] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5054] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5054] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5054] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f34407000 [pid 5054] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5054] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[52], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 52 [pid 5054] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5054] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5055] <... mmap resumed>) = 0x20000000 [pid 5055] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5055] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5056 attached [pid 5056] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5056] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5057 attached [pid 5057] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5054] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5054] close(3) = -1 EBADF (Bad file descriptor) [pid 5054] close(4) = -1 EBADF (Bad file descriptor) [pid 5054] close(5) = -1 EBADF (Bad file descriptor) [pid 5054] close(6) = -1 EBADF (Bad file descriptor) [pid 5054] close(7) = -1 EBADF (Bad file descriptor) [pid 5054] close(8) = -1 EBADF (Bad file descriptor) [pid 5054] close(9) = -1 EBADF (Bad file descriptor) [pid 5054] close(10) = -1 EBADF (Bad file descriptor) [pid 5054] close(11) = -1 EBADF (Bad file descriptor) [pid 5054] close(12) = -1 EBADF (Bad file descriptor) [pid 5054] close(13) = -1 EBADF (Bad file descriptor) [pid 5054] close(14) = -1 EBADF (Bad file descriptor) [pid 5054] close(15) = -1 EBADF (Bad file descriptor) [pid 5054] close(16) = -1 EBADF (Bad file descriptor) [pid 5054] close(17) = -1 EBADF (Bad file descriptor) [pid 5054] close(18) = -1 EBADF (Bad file descriptor) [pid 5054] close(19) = -1 EBADF (Bad file descriptor) [pid 5054] close(20) = -1 EBADF (Bad file descriptor) [pid 5054] close(21) = -1 EBADF (Bad file descriptor) [pid 5054] close(22) = -1 EBADF (Bad file descriptor) [pid 5054] close(23) = -1 EBADF (Bad file descriptor) [pid 5054] close(24) = -1 EBADF (Bad file descriptor) [pid 5054] close(25) = -1 EBADF (Bad file descriptor) [pid 5054] close(26) = -1 EBADF (Bad file descriptor) [pid 5054] close(27) = -1 EBADF (Bad file descriptor) [pid 5054] close(28) = -1 EBADF (Bad file descriptor) [pid 5054] close(29) = -1 EBADF (Bad file descriptor) [pid 5054] exit_group(0 [pid 5056] <... clone resumed>) = ? [pid 5055] <... futex resumed>) = ? [pid 5054] <... exit_group resumed>) = ? [pid 5056] +++ exited with 0 +++ [pid 5055] +++ exited with 0 +++ [pid 5054] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=50, si_uid=0, si_status=0, si_utime=18 /* 0.18 s */, si_stime=79 /* 0.79 s */} --- [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 54 ./strace-static-x86_64: Process 5058 attached [pid 5058] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5058] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5058] setpgid(0, 0) = 0 [pid 5058] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5058] write(3, "1000", 4) = 4 [pid 5058] close(3) = 0 [pid 5058] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5058] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5058] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5058] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[55], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 55 [pid 5058] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5058] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5059 attached [pid 5059] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5059] memfd_create("syzkaller", 0) = 3 [pid 5059] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5059] 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"..., 67108864 [pid 5057] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=53, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=36 /* 0.36 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5059] <... write resumed>) = 67108864 [pid 5059] munmap(0x7f0f30428000, 67108864) = 0 [pid 5059] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5059] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5059] ioctl(4, LOOP_CLR_FD) = 0 [pid 5059] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5059] close(4) = 0 [pid 5059] close(3) = 0 [pid 5059] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5058] <... futex resumed>) = 0 [pid 5058] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5058] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5059] <... futex resumed>) = 1 [pid 5059] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5058] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5058] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5058] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5058] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f34407000 [pid 5058] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5058] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[56], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 56 [pid 5058] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5058] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5059] <... mmap resumed>) = 0x20000000 [pid 5059] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5059] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5060 attached [pid 5060] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5060] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5061 attached [pid 5061] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5058] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5058] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5058] close(3) = -1 EBADF (Bad file descriptor) [pid 5058] close(4) = -1 EBADF (Bad file descriptor) [pid 5058] close(5) = -1 EBADF (Bad file descriptor) [pid 5058] close(6) = -1 EBADF (Bad file descriptor) [pid 5058] close(7) = -1 EBADF (Bad file descriptor) [pid 5058] close(8) = -1 EBADF (Bad file descriptor) [pid 5058] close(9) = -1 EBADF (Bad file descriptor) [pid 5058] close(10) = -1 EBADF (Bad file descriptor) [pid 5058] close(11) = -1 EBADF (Bad file descriptor) [pid 5058] close(12) = -1 EBADF (Bad file descriptor) [pid 5058] close(13) = -1 EBADF (Bad file descriptor) [pid 5058] close(14) = -1 EBADF (Bad file descriptor) [pid 5058] close(15) = -1 EBADF (Bad file descriptor) [pid 5058] close(16) = -1 EBADF (Bad file descriptor) [pid 5058] close(17) = -1 EBADF (Bad file descriptor) [pid 5058] close(18) = -1 EBADF (Bad file descriptor) [pid 5058] close(19) = -1 EBADF (Bad file descriptor) [pid 5058] close(20) = -1 EBADF (Bad file descriptor) [pid 5058] close(21) = -1 EBADF (Bad file descriptor) [pid 5058] close(22) = -1 EBADF (Bad file descriptor) [pid 5058] close(23) = -1 EBADF (Bad file descriptor) [pid 5058] close(24) = -1 EBADF (Bad file descriptor) [pid 5058] close(25) = -1 EBADF (Bad file descriptor) [pid 5058] close(26) = -1 EBADF (Bad file descriptor) [pid 5058] close(27) = -1 EBADF (Bad file descriptor) [pid 5058] close(28) = -1 EBADF (Bad file descriptor) [pid 5058] close(29) = -1 EBADF (Bad file descriptor) [pid 5058] exit_group(0 [pid 5060] <... clone resumed>) = ? [pid 5059] <... futex resumed>) = ? [pid 5058] <... exit_group resumed>) = ? [pid 5060] +++ exited with 0 +++ [pid 5059] +++ exited with 0 +++ [pid 5058] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=54, si_uid=0, si_status=0, si_utime=13 /* 0.13 s */, si_stime=79 /* 0.79 s */} --- [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 58 ./strace-static-x86_64: Process 5062 attached [pid 5062] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5062] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5062] setpgid(0, 0) = 0 [pid 5062] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5062] write(3, "1000", 4) = 4 [pid 5062] close(3) = 0 [pid 5062] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5062] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5062] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5062] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[59], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 59 [pid 5062] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5062] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5063 attached [pid 5063] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5063] memfd_create("syzkaller", 0) = 3 [pid 5063] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5061] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=57, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=36 /* 0.36 s */} --- [pid 5063] 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"..., 67108864) = 67108864 [pid 5063] munmap(0x7f0f30428000, 67108864) = 0 [pid 5063] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5063] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5063] ioctl(4, LOOP_CLR_FD) = 0 [pid 5063] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5063] close(4) = 0 [pid 5063] close(3) = 0 [pid 5063] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5062] <... futex resumed>) = 0 [pid 5062] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5062] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5063] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5062] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5062] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5062] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5062] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5062] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5063] <... mmap resumed>) = 0x20000000 [pid 5062] <... mmap resumed>) = 0x7f0f34407000 [pid 5062] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5063] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 5064 attached [pid 5063] <... futex resumed>) = 0 [pid 5062] <... clone resumed>, parent_tid=[60], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 60 [pid 5062] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5063] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5064] set_robust_list(0x7f0f344279e0, 24 [pid 5062] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5064] <... set_robust_list resumed>) = 0 [pid 5064] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5065 attached [pid 5065] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5062] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5062] close(3) = -1 EBADF (Bad file descriptor) [pid 5062] close(4) = -1 EBADF (Bad file descriptor) [pid 5062] close(5) = -1 EBADF (Bad file descriptor) [pid 5062] close(6) = -1 EBADF (Bad file descriptor) [pid 5062] close(7) = -1 EBADF (Bad file descriptor) [pid 5062] close(8) = -1 EBADF (Bad file descriptor) [pid 5062] close(9) = -1 EBADF (Bad file descriptor) [pid 5062] close(10) = -1 EBADF (Bad file descriptor) [pid 5062] close(11) = -1 EBADF (Bad file descriptor) [pid 5062] close(12) = -1 EBADF (Bad file descriptor) [pid 5062] close(13) = -1 EBADF (Bad file descriptor) [pid 5062] close(14) = -1 EBADF (Bad file descriptor) [pid 5062] close(15) = -1 EBADF (Bad file descriptor) [pid 5062] close(16) = -1 EBADF (Bad file descriptor) [pid 5062] close(17) = -1 EBADF (Bad file descriptor) [pid 5062] close(18) = -1 EBADF (Bad file descriptor) [pid 5062] close(19) = -1 EBADF (Bad file descriptor) [pid 5062] close(20) = -1 EBADF (Bad file descriptor) [pid 5062] close(21) = -1 EBADF (Bad file descriptor) [pid 5062] close(22) = -1 EBADF (Bad file descriptor) [pid 5062] close(23) = -1 EBADF (Bad file descriptor) [pid 5062] close(24) = -1 EBADF (Bad file descriptor) [pid 5062] close(25) = -1 EBADF (Bad file descriptor) [pid 5062] close(26) = -1 EBADF (Bad file descriptor) [pid 5062] close(27) = -1 EBADF (Bad file descriptor) [pid 5062] close(28) = -1 EBADF (Bad file descriptor) [pid 5062] close(29) = -1 EBADF (Bad file descriptor) [pid 5062] exit_group(0) = ? [pid 5063] <... futex resumed>) = ? [pid 5064] <... clone resumed>) = ? [pid 5063] +++ exited with 0 +++ [pid 5064] +++ exited with 0 +++ [pid 5062] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=58, si_uid=0, si_status=0, si_utime=13 /* 0.13 s */, si_stime=78 /* 0.78 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 62 ./strace-static-x86_64: Process 5066 attached [pid 5066] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5066] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5066] setpgid(0, 0) = 0 [pid 5066] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5066] write(3, "1000", 4) = 4 [pid 5066] close(3) = 0 [pid 5066] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5066] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5066] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5066] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[63], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 63 [pid 5066] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5066] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5067 attached [pid 5067] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5067] memfd_create("syzkaller", 0) = 3 [pid 5067] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5065] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=61, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=44 /* 0.44 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5067] 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"..., 67108864) = 67108864 [pid 5067] munmap(0x7f0f30428000, 67108864) = 0 [pid 5067] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5067] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5067] ioctl(4, LOOP_CLR_FD) = 0 [pid 5067] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5067] close(4) = 0 [pid 5067] close(3) = 0 [pid 5067] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5066] <... futex resumed>) = 0 [pid 5067] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5066] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5066] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5067] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5066] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5066] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5066] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5066] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f34407000 [pid 5066] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5066] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5067] <... mmap resumed>) = 0x20000000 [pid 5066] <... clone resumed>, parent_tid=[64], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 64 [pid 5066] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5066] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5067] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5068 attached [pid 5068] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5068] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5069 attached [pid 5069] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5066] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5066] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5066] close(3) = -1 EBADF (Bad file descriptor) [pid 5066] close(4) = -1 EBADF (Bad file descriptor) [pid 5066] close(5) = -1 EBADF (Bad file descriptor) [pid 5066] close(6) = -1 EBADF (Bad file descriptor) [pid 5066] close(7) = -1 EBADF (Bad file descriptor) [pid 5066] close(8) = -1 EBADF (Bad file descriptor) [pid 5066] close(9) = -1 EBADF (Bad file descriptor) [pid 5066] close(10) = -1 EBADF (Bad file descriptor) [pid 5066] close(11) = -1 EBADF (Bad file descriptor) [pid 5066] close(12) = -1 EBADF (Bad file descriptor) [pid 5066] close(13) = -1 EBADF (Bad file descriptor) [pid 5066] close(14) = -1 EBADF (Bad file descriptor) [pid 5066] close(15) = -1 EBADF (Bad file descriptor) [pid 5066] close(16) = -1 EBADF (Bad file descriptor) [pid 5066] close(17) = -1 EBADF (Bad file descriptor) [pid 5066] close(18) = -1 EBADF (Bad file descriptor) [pid 5066] close(19) = -1 EBADF (Bad file descriptor) [pid 5066] close(20) = -1 EBADF (Bad file descriptor) [pid 5066] close(21) = -1 EBADF (Bad file descriptor) [pid 5066] close(22) = -1 EBADF (Bad file descriptor) [pid 5066] close(23) = -1 EBADF (Bad file descriptor) [pid 5066] close(24) = -1 EBADF (Bad file descriptor) [pid 5066] close(25) = -1 EBADF (Bad file descriptor) [pid 5066] close(26) = -1 EBADF (Bad file descriptor) [pid 5066] close(27) = -1 EBADF (Bad file descriptor) [pid 5066] close(28) = -1 EBADF (Bad file descriptor) [pid 5066] close(29) = -1 EBADF (Bad file descriptor) [pid 5066] exit_group(0 [pid 5068] <... clone resumed>) = ? [pid 5067] <... futex resumed>) = ? [pid 5066] <... exit_group resumed>) = ? [pid 5068] +++ exited with 0 +++ [pid 5067] +++ exited with 0 +++ [pid 5066] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=62, si_uid=0, si_status=0, si_utime=15 /* 0.15 s */, si_stime=79 /* 0.79 s */} --- [pid 5000] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 66 ./strace-static-x86_64: Process 5070 attached [pid 5070] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5070] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5070] setpgid(0, 0) = 0 [pid 5070] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5070] write(3, "1000", 4) = 4 [pid 5070] close(3) = 0 [pid 5070] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5070] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5070] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5070] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[67], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 67 [pid 5070] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5070] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5071 attached [pid 5071] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5071] memfd_create("syzkaller", 0) = 3 [pid 5071] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5069] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=65, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=42 /* 0.42 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5071] 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"..., 67108864) = 67108864 [pid 5071] munmap(0x7f0f30428000, 67108864) = 0 [pid 5071] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5071] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5071] ioctl(4, LOOP_CLR_FD) = 0 [pid 5071] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5071] close(4) = 0 [pid 5071] close(3) = 0 [pid 5071] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] <... futex resumed>) = 0 [pid 5070] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5070] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5071] <... futex resumed>) = 1 [pid 5071] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5070] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5070] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5070] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f34407000 [pid 5070] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5070] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[68], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 68 [pid 5070] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5070] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5071] <... mmap resumed>) = 0x20000000 [pid 5071] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5071] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5072 attached [pid 5072] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5072] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5073 attached [pid 5073] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5070] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5070] close(3) = -1 EBADF (Bad file descriptor) [pid 5070] close(4) = -1 EBADF (Bad file descriptor) [pid 5070] close(5) = -1 EBADF (Bad file descriptor) [pid 5070] close(6) = -1 EBADF (Bad file descriptor) [pid 5070] close(7) = -1 EBADF (Bad file descriptor) [pid 5070] close(8) = -1 EBADF (Bad file descriptor) [pid 5070] close(9) = -1 EBADF (Bad file descriptor) [pid 5070] close(10) = -1 EBADF (Bad file descriptor) [pid 5070] close(11) = -1 EBADF (Bad file descriptor) [pid 5070] close(12) = -1 EBADF (Bad file descriptor) [pid 5070] close(13) = -1 EBADF (Bad file descriptor) [pid 5070] close(14) = -1 EBADF (Bad file descriptor) [pid 5070] close(15) = -1 EBADF (Bad file descriptor) [pid 5070] close(16) = -1 EBADF (Bad file descriptor) [pid 5070] close(17) = -1 EBADF (Bad file descriptor) [pid 5070] close(18) = -1 EBADF (Bad file descriptor) [pid 5070] close(19) = -1 EBADF (Bad file descriptor) [pid 5070] close(20) = -1 EBADF (Bad file descriptor) [pid 5070] close(21) = -1 EBADF (Bad file descriptor) [pid 5070] close(22) = -1 EBADF (Bad file descriptor) [pid 5070] close(23) = -1 EBADF (Bad file descriptor) [pid 5070] close(24) = -1 EBADF (Bad file descriptor) [pid 5070] close(25) = -1 EBADF (Bad file descriptor) [pid 5070] close(26) = -1 EBADF (Bad file descriptor) [pid 5070] close(27) = -1 EBADF (Bad file descriptor) [pid 5070] close(28) = -1 EBADF (Bad file descriptor) [pid 5070] close(29) = -1 EBADF (Bad file descriptor) [pid 5070] exit_group(0 [pid 5072] <... clone resumed>) = ? [pid 5071] <... futex resumed>) = ? [pid 5070] <... exit_group resumed>) = ? [pid 5072] +++ exited with 0 +++ [pid 5071] +++ exited with 0 +++ [pid 5070] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=66, si_uid=0, si_status=0, si_utime=12 /* 0.12 s */, si_stime=72 /* 0.72 s */} --- [pid 5000] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 70 ./strace-static-x86_64: Process 5074 attached [pid 5074] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5074] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5074] setpgid(0, 0) = 0 [pid 5074] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5074] write(3, "1000", 4) = 4 [pid 5074] close(3) = 0 [pid 5074] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5074] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5074] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5074] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[71], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 71 [pid 5074] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5074] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5075 attached [pid 5075] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5075] memfd_create("syzkaller", 0) = 3 [pid 5075] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5073] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=69, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=39 /* 0.39 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5075] 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"..., 67108864) = 67108864 [pid 5075] munmap(0x7f0f30428000, 67108864) = 0 [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5075] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5075] ioctl(4, LOOP_CLR_FD) = 0 [pid 5075] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5075] close(4) = 0 [pid 5075] close(3) = 0 [pid 5075] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5074] <... futex resumed>) = 0 [pid 5074] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5074] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5075] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5074] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5074] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5074] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5074] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5075] <... mmap resumed>) = 0x20000000 [pid 5074] <... mmap resumed>) = 0x7f0f34407000 [pid 5074] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5074] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[72], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 72 [pid 5074] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5074] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5075] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5075] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5076 attached [pid 5076] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5076] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5077 attached [pid 5077] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5074] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5074] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5074] close(3) = -1 EBADF (Bad file descriptor) [pid 5074] close(4) = -1 EBADF (Bad file descriptor) [pid 5074] close(5) = -1 EBADF (Bad file descriptor) [pid 5074] close(6) = -1 EBADF (Bad file descriptor) [pid 5074] close(7) = -1 EBADF (Bad file descriptor) [pid 5074] close(8) = -1 EBADF (Bad file descriptor) [pid 5074] close(9) = -1 EBADF (Bad file descriptor) [pid 5074] close(10) = -1 EBADF (Bad file descriptor) [pid 5074] close(11) = -1 EBADF (Bad file descriptor) [pid 5074] close(12) = -1 EBADF (Bad file descriptor) [pid 5074] close(13) = -1 EBADF (Bad file descriptor) [pid 5074] close(14) = -1 EBADF (Bad file descriptor) [pid 5074] close(15) = -1 EBADF (Bad file descriptor) [pid 5074] close(16) = -1 EBADF (Bad file descriptor) [pid 5074] close(17) = -1 EBADF (Bad file descriptor) [pid 5074] close(18) = -1 EBADF (Bad file descriptor) [pid 5074] close(19) = -1 EBADF (Bad file descriptor) [pid 5074] close(20) = -1 EBADF (Bad file descriptor) [pid 5074] close(21) = -1 EBADF (Bad file descriptor) [pid 5074] close(22) = -1 EBADF (Bad file descriptor) [pid 5074] close(23) = -1 EBADF (Bad file descriptor) [pid 5074] close(24) = -1 EBADF (Bad file descriptor) [pid 5074] close(25) = -1 EBADF (Bad file descriptor) [pid 5074] close(26) = -1 EBADF (Bad file descriptor) [pid 5074] close(27) = -1 EBADF (Bad file descriptor) [pid 5074] close(28) = -1 EBADF (Bad file descriptor) [pid 5074] close(29) = -1 EBADF (Bad file descriptor) [pid 5074] exit_group(0 [pid 5076] <... clone resumed>) = ? [pid 5075] <... futex resumed>) = ? [pid 5074] <... exit_group resumed>) = ? [pid 5076] +++ exited with 0 +++ [pid 5075] +++ exited with 0 +++ [pid 5074] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=70, si_uid=0, si_status=0, si_utime=15 /* 0.15 s */, si_stime=76 /* 0.76 s */} --- [pid 5000] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 74 ./strace-static-x86_64: Process 5078 attached [pid 5078] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5078] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5078] setpgid(0, 0) = 0 [pid 5078] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5078] write(3, "1000", 4) = 4 [pid 5078] close(3) = 0 [pid 5078] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5078] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5078] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5078] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[75], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 75 [pid 5078] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5078] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5079 attached [pid 5079] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5079] memfd_create("syzkaller", 0) = 3 [pid 5079] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5079] 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"..., 67108864 [pid 5077] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=73, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=45 /* 0.45 s */} --- [pid 5079] <... write resumed>) = 67108864 [pid 5079] munmap(0x7f0f30428000, 67108864) = 0 [pid 5079] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5079] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5079] ioctl(4, LOOP_CLR_FD) = 0 [pid 5079] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5079] close(4) = 0 [pid 5079] close(3) = 0 [pid 5079] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5078] <... futex resumed>) = 0 [pid 5078] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5078] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5079] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5078] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5078] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5078] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5078] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5079] <... mmap resumed>) = 0x20000000 [pid 5078] <... mmap resumed>) = 0x7f0f34407000 [pid 5078] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5078] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5079] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] <... clone resumed>, parent_tid=[76], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 76 [pid 5078] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5078] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5079] <... futex resumed>) = 0 [pid 5079] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5082 attached [pid 5082] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5082] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5083 attached [pid 5083] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5078] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5078] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5078] close(3) = -1 EBADF (Bad file descriptor) [pid 5078] close(4) = -1 EBADF (Bad file descriptor) [pid 5078] close(5) = -1 EBADF (Bad file descriptor) [pid 5078] close(6) = -1 EBADF (Bad file descriptor) [pid 5078] close(7) = -1 EBADF (Bad file descriptor) [pid 5078] close(8) = -1 EBADF (Bad file descriptor) [pid 5078] close(9) = -1 EBADF (Bad file descriptor) [pid 5078] close(10) = -1 EBADF (Bad file descriptor) [pid 5078] close(11) = -1 EBADF (Bad file descriptor) [pid 5078] close(12) = -1 EBADF (Bad file descriptor) [pid 5078] close(13) = -1 EBADF (Bad file descriptor) [pid 5078] close(14) = -1 EBADF (Bad file descriptor) [pid 5078] close(15) = -1 EBADF (Bad file descriptor) [pid 5078] close(16) = -1 EBADF (Bad file descriptor) [pid 5078] close(17) = -1 EBADF (Bad file descriptor) [pid 5078] close(18) = -1 EBADF (Bad file descriptor) [pid 5078] close(19) = -1 EBADF (Bad file descriptor) [pid 5078] close(20) = -1 EBADF (Bad file descriptor) [pid 5078] close(21) = -1 EBADF (Bad file descriptor) [pid 5078] close(22) = -1 EBADF (Bad file descriptor) [pid 5078] close(23) = -1 EBADF (Bad file descriptor) [pid 5078] close(24) = -1 EBADF (Bad file descriptor) [pid 5078] close(25) = -1 EBADF (Bad file descriptor) [pid 5078] close(26) = -1 EBADF (Bad file descriptor) [pid 5078] close(27) = -1 EBADF (Bad file descriptor) [pid 5078] close(28) = -1 EBADF (Bad file descriptor) [pid 5078] close(29) = -1 EBADF (Bad file descriptor) [pid 5078] exit_group(0 [pid 5082] <... clone resumed>) = ? [pid 5079] <... futex resumed>) = ? [pid 5078] <... exit_group resumed>) = ? [pid 5082] +++ exited with 0 +++ [pid 5079] +++ exited with 0 +++ [pid 5078] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=74, si_uid=0, si_status=0, si_utime=14 /* 0.14 s */, si_stime=73 /* 0.73 s */} --- [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 78 ./strace-static-x86_64: Process 5084 attached [pid 5084] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5084] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5084] setpgid(0, 0) = 0 [pid 5084] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5084] write(3, "1000", 4) = 4 [pid 5084] close(3) = 0 [pid 5084] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5084] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5084] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5084] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[79], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 79 [pid 5084] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5084] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5085 attached [pid 5085] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5085] memfd_create("syzkaller", 0) = 3 [pid 5085] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5083] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=77, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=36 /* 0.36 s */} --- [pid 5085] 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"..., 67108864) = 67108864 [pid 5085] munmap(0x7f0f30428000, 67108864) = 0 [pid 5085] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5085] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5085] ioctl(4, LOOP_CLR_FD) = 0 [pid 5085] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5085] close(4) = 0 [pid 5085] close(3) = 0 [pid 5085] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5084] <... futex resumed>) = 0 [pid 5084] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5084] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5085] <... futex resumed>) = 1 [pid 5085] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5084] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5084] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5084] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5084] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f34407000 [pid 5084] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5084] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[80], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 80 [pid 5084] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5084] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5085] <... mmap resumed>) = 0x20000000 [pid 5085] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5085] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5088 attached [pid 5088] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5088] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5089 attached [pid 5089] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5084] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5084] close(3) = -1 EBADF (Bad file descriptor) [pid 5084] close(4) = -1 EBADF (Bad file descriptor) [pid 5084] close(5) = -1 EBADF (Bad file descriptor) [pid 5084] close(6) = -1 EBADF (Bad file descriptor) [pid 5084] close(7) = -1 EBADF (Bad file descriptor) [pid 5084] close(8) = -1 EBADF (Bad file descriptor) [pid 5084] close(9) = -1 EBADF (Bad file descriptor) [pid 5084] close(10) = -1 EBADF (Bad file descriptor) [pid 5084] close(11) = -1 EBADF (Bad file descriptor) [pid 5084] close(12) = -1 EBADF (Bad file descriptor) [pid 5084] close(13) = -1 EBADF (Bad file descriptor) [pid 5084] close(14) = -1 EBADF (Bad file descriptor) [pid 5084] close(15) = -1 EBADF (Bad file descriptor) [pid 5084] close(16) = -1 EBADF (Bad file descriptor) [pid 5084] close(17) = -1 EBADF (Bad file descriptor) [pid 5084] close(18) = -1 EBADF (Bad file descriptor) [pid 5084] close(19) = -1 EBADF (Bad file descriptor) [pid 5084] close(20) = -1 EBADF (Bad file descriptor) [pid 5084] close(21) = -1 EBADF (Bad file descriptor) [pid 5084] close(22) = -1 EBADF (Bad file descriptor) [pid 5084] close(23) = -1 EBADF (Bad file descriptor) [pid 5084] close(24) = -1 EBADF (Bad file descriptor) [pid 5084] close(25) = -1 EBADF (Bad file descriptor) [pid 5084] close(26) = -1 EBADF (Bad file descriptor) [pid 5084] close(27) = -1 EBADF (Bad file descriptor) [pid 5084] close(28) = -1 EBADF (Bad file descriptor) [pid 5084] close(29) = -1 EBADF (Bad file descriptor) [pid 5084] exit_group(0 [pid 5088] <... clone resumed>) = ? [pid 5085] <... futex resumed>) = ? [pid 5084] <... exit_group resumed>) = ? [pid 5088] +++ exited with 0 +++ [pid 5085] +++ exited with 0 +++ [pid 5084] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=78, si_uid=0, si_status=0, si_utime=15 /* 0.15 s */, si_stime=77 /* 0.77 s */} --- [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 82 ./strace-static-x86_64: Process 5090 attached [pid 5090] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5090] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5090] setpgid(0, 0) = 0 [pid 5090] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5090] write(3, "1000", 4) = 4 [pid 5090] close(3) = 0 [pid 5090] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5090] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5090] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5090] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[83], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 83 [pid 5090] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5090] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5091 attached [pid 5091] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5091] memfd_create("syzkaller", 0) = 3 [pid 5091] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5089] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=81, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=45 /* 0.45 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5091] 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"..., 67108864) = 67108864 [pid 5091] munmap(0x7f0f30428000, 67108864) = 0 [pid 5091] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5091] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5091] ioctl(4, LOOP_CLR_FD) = 0 [pid 5091] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5091] close(4) = 0 [pid 5091] close(3) = 0 [pid 5091] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5090] <... futex resumed>) = 0 [pid 5090] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5090] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5091] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5090] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5090] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5090] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5090] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5091] <... mmap resumed>) = 0x20000000 [pid 5090] <... mmap resumed>) = 0x7f0f34407000 [pid 5090] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE [pid 5091] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5090] <... mprotect resumed>) = 0 [pid 5090] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5091] <... futex resumed>) = 0 [pid 5090] <... clone resumed>, parent_tid=[84], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 84 [pid 5090] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5090] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5091] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5093 attached [pid 5093] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5093] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5094 attached [pid 5094] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5090] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5090] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5090] close(3) = -1 EBADF (Bad file descriptor) [pid 5090] close(4) = -1 EBADF (Bad file descriptor) [pid 5090] close(5) = -1 EBADF (Bad file descriptor) [pid 5090] close(6) = -1 EBADF (Bad file descriptor) [pid 5090] close(7) = -1 EBADF (Bad file descriptor) [pid 5090] close(8) = -1 EBADF (Bad file descriptor) [pid 5090] close(9) = -1 EBADF (Bad file descriptor) [pid 5090] close(10) = -1 EBADF (Bad file descriptor) [pid 5090] close(11) = -1 EBADF (Bad file descriptor) [pid 5090] close(12) = -1 EBADF (Bad file descriptor) [pid 5090] close(13) = -1 EBADF (Bad file descriptor) [pid 5090] close(14) = -1 EBADF (Bad file descriptor) [pid 5090] close(15) = -1 EBADF (Bad file descriptor) [pid 5090] close(16) = -1 EBADF (Bad file descriptor) [pid 5090] close(17) = -1 EBADF (Bad file descriptor) [pid 5090] close(18) = -1 EBADF (Bad file descriptor) [pid 5090] close(19) = -1 EBADF (Bad file descriptor) [pid 5090] close(20) = -1 EBADF (Bad file descriptor) [pid 5090] close(21) = -1 EBADF (Bad file descriptor) [pid 5090] close(22) = -1 EBADF (Bad file descriptor) [pid 5090] close(23) = -1 EBADF (Bad file descriptor) [pid 5090] close(24) = -1 EBADF (Bad file descriptor) [pid 5090] close(25) = -1 EBADF (Bad file descriptor) [pid 5090] close(26) = -1 EBADF (Bad file descriptor) [pid 5090] close(27) = -1 EBADF (Bad file descriptor) [pid 5090] close(28) = -1 EBADF (Bad file descriptor) [pid 5090] close(29) = -1 EBADF (Bad file descriptor) [pid 5090] exit_group(0 [pid 5091] <... futex resumed>) = ? [pid 5093] <... clone resumed>) = ? [pid 5090] <... exit_group resumed>) = ? [pid 5091] +++ exited with 0 +++ [pid 5093] +++ exited with 0 +++ [pid 5090] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=82, si_uid=0, si_status=0, si_utime=14 /* 0.14 s */, si_stime=76 /* 0.76 s */} --- [pid 5000] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 86 ./strace-static-x86_64: Process 5095 attached [pid 5095] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5095] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5095] setpgid(0, 0) = 0 [pid 5095] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5095] write(3, "1000", 4) = 4 [pid 5095] close(3) = 0 [pid 5095] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5095] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5095] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5095] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[87], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 87 [pid 5095] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5095] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5096 attached [pid 5096] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5096] memfd_create("syzkaller", 0) = 3 [pid 5096] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5096] 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"..., 67108864 [pid 5094] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=85, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=32 /* 0.32 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5096] <... write resumed>) = 67108864 [pid 5096] munmap(0x7f0f30428000, 67108864) = 0 [pid 5096] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5096] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5096] ioctl(4, LOOP_CLR_FD) = 0 [pid 5096] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5096] close(4) = 0 [pid 5096] close(3) = 0 [pid 5096] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5095] <... futex resumed>) = 0 [pid 5095] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5095] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5096] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5095] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5095] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5095] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5095] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5096] <... mmap resumed>) = 0x20000000 [pid 5095] <... mmap resumed>) = 0x7f0f34407000 [pid 5095] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE [pid 5096] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5095] <... mprotect resumed>) = 0 [pid 5095] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5096] <... futex resumed>) = 0 [pid 5096] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5095] <... clone resumed>, parent_tid=[88], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 88 [pid 5095] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5095] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5098 attached [pid 5098] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5098] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5099 attached [pid 5099] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5095] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5095] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5095] close(3) = -1 EBADF (Bad file descriptor) [pid 5095] close(4) = -1 EBADF (Bad file descriptor) [pid 5095] close(5) = -1 EBADF (Bad file descriptor) [pid 5095] close(6) = -1 EBADF (Bad file descriptor) [pid 5095] close(7) = -1 EBADF (Bad file descriptor) [pid 5095] close(8) = -1 EBADF (Bad file descriptor) [pid 5095] close(9) = -1 EBADF (Bad file descriptor) [pid 5095] close(10) = -1 EBADF (Bad file descriptor) [pid 5095] close(11) = -1 EBADF (Bad file descriptor) [pid 5095] close(12) = -1 EBADF (Bad file descriptor) [pid 5095] close(13) = -1 EBADF (Bad file descriptor) [pid 5095] close(14) = -1 EBADF (Bad file descriptor) [pid 5095] close(15) = -1 EBADF (Bad file descriptor) [pid 5095] close(16) = -1 EBADF (Bad file descriptor) [pid 5095] close(17) = -1 EBADF (Bad file descriptor) [pid 5095] close(18) = -1 EBADF (Bad file descriptor) [pid 5095] close(19) = -1 EBADF (Bad file descriptor) [pid 5095] close(20) = -1 EBADF (Bad file descriptor) [pid 5095] close(21) = -1 EBADF (Bad file descriptor) [pid 5095] close(22) = -1 EBADF (Bad file descriptor) [pid 5095] close(23) = -1 EBADF (Bad file descriptor) [pid 5095] close(24) = -1 EBADF (Bad file descriptor) [pid 5095] close(25) = -1 EBADF (Bad file descriptor) [pid 5095] close(26) = -1 EBADF (Bad file descriptor) [pid 5095] close(27) = -1 EBADF (Bad file descriptor) [pid 5095] close(28) = -1 EBADF (Bad file descriptor) [pid 5095] close(29) = -1 EBADF (Bad file descriptor) [pid 5095] exit_group(0 [pid 5096] <... futex resumed>) = ? [pid 5098] <... clone resumed>) = ? [pid 5095] <... exit_group resumed>) = ? [pid 5096] +++ exited with 0 +++ [pid 5098] +++ exited with 0 +++ [pid 5095] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=86, si_uid=0, si_status=0, si_utime=15 /* 0.15 s */, si_stime=78 /* 0.78 s */} --- [pid 5000] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 90 ./strace-static-x86_64: Process 5100 attached [pid 5100] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5100] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5100] setpgid(0, 0) = 0 [pid 5100] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5100] write(3, "1000", 4) = 4 [pid 5100] close(3) = 0 [pid 5100] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5100] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5100] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5100] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[91], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 91 [pid 5100] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5100] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5101 attached [pid 5101] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5101] memfd_create("syzkaller", 0) = 3 [pid 5101] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5099] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=89, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=35 /* 0.35 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5101] 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"..., 67108864) = 67108864 [pid 5101] munmap(0x7f0f30428000, 67108864) = 0 [pid 5101] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5101] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5101] ioctl(4, LOOP_CLR_FD) = 0 [pid 5101] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5101] close(4) = 0 [pid 5101] close(3) = 0 [pid 5101] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5100] <... futex resumed>) = 0 [pid 5100] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5100] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5101] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5100] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5100] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5100] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5100] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5101] <... mmap resumed>) = 0x20000000 [pid 5100] <... mmap resumed>) = 0x7f0f34407000 [pid 5100] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE [pid 5101] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5100] <... mprotect resumed>) = 0 [pid 5100] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5101] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5100] <... clone resumed>, parent_tid=[92], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 92 [pid 5100] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5100] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5102 attached [pid 5102] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5102] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5103 attached [pid 5103] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5100] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5100] close(3) = -1 EBADF (Bad file descriptor) [pid 5100] close(4) = -1 EBADF (Bad file descriptor) [pid 5100] close(5) = -1 EBADF (Bad file descriptor) [pid 5100] close(6) = -1 EBADF (Bad file descriptor) [pid 5100] close(7) = -1 EBADF (Bad file descriptor) [pid 5100] close(8) = -1 EBADF (Bad file descriptor) [pid 5100] close(9) = -1 EBADF (Bad file descriptor) [pid 5100] close(10) = -1 EBADF (Bad file descriptor) [pid 5100] close(11) = -1 EBADF (Bad file descriptor) [pid 5100] close(12) = -1 EBADF (Bad file descriptor) [pid 5100] close(13) = -1 EBADF (Bad file descriptor) [pid 5100] close(14) = -1 EBADF (Bad file descriptor) [pid 5100] close(15) = -1 EBADF (Bad file descriptor) [pid 5100] close(16) = -1 EBADF (Bad file descriptor) [pid 5100] close(17) = -1 EBADF (Bad file descriptor) [pid 5100] close(18) = -1 EBADF (Bad file descriptor) [pid 5100] close(19) = -1 EBADF (Bad file descriptor) [pid 5100] close(20) = -1 EBADF (Bad file descriptor) [pid 5100] close(21) = -1 EBADF (Bad file descriptor) [pid 5100] close(22) = -1 EBADF (Bad file descriptor) [pid 5100] close(23) = -1 EBADF (Bad file descriptor) [pid 5100] close(24) = -1 EBADF (Bad file descriptor) [pid 5100] close(25) = -1 EBADF (Bad file descriptor) [pid 5100] close(26) = -1 EBADF (Bad file descriptor) [pid 5100] close(27) = -1 EBADF (Bad file descriptor) [pid 5100] close(28) = -1 EBADF (Bad file descriptor) [pid 5100] close(29) = -1 EBADF (Bad file descriptor) [pid 5100] exit_group(0 [pid 5101] <... futex resumed>) = ? [pid 5102] <... clone resumed>) = ? [pid 5100] <... exit_group resumed>) = ? [pid 5101] +++ exited with 0 +++ [pid 5102] +++ exited with 0 +++ [pid 5100] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=90, si_uid=0, si_status=0, si_utime=14 /* 0.14 s */, si_stime=76 /* 0.76 s */} --- [pid 5000] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 94 ./strace-static-x86_64: Process 5104 attached [pid 5104] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5104] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5104] setpgid(0, 0) = 0 [pid 5104] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5104] write(3, "1000", 4) = 4 [pid 5104] close(3) = 0 [pid 5104] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5104] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5104] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5104] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[95], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 95 [pid 5104] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5104] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5105 attached [pid 5105] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5105] memfd_create("syzkaller", 0) = 3 [pid 5105] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5105] 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"..., 67108864 [pid 5103] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=93, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=40 /* 0.40 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5105] <... write resumed>) = 67108864 [pid 5105] munmap(0x7f0f30428000, 67108864) = 0 [pid 5105] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5105] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5105] ioctl(4, LOOP_CLR_FD) = 0 [pid 5105] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5105] close(4) = 0 [pid 5105] close(3) = 0 [pid 5105] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5104] <... futex resumed>) = 0 [pid 5104] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5104] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5105] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5104] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5104] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5104] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5104] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5105] <... mmap resumed>) = 0x20000000 [pid 5104] <... mmap resumed>) = 0x7f0f34407000 [pid 5104] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5104] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5105] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5104] <... clone resumed>, parent_tid=[96], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 96 [pid 5104] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5104] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5105] <... futex resumed>) = 0 [pid 5105] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5106 attached [pid 5106] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5106] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5107 attached [pid 5107] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5104] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5104] close(3) = -1 EBADF (Bad file descriptor) [pid 5104] close(4) = -1 EBADF (Bad file descriptor) [pid 5104] close(5) = -1 EBADF (Bad file descriptor) [pid 5104] close(6) = -1 EBADF (Bad file descriptor) [pid 5104] close(7) = -1 EBADF (Bad file descriptor) [pid 5104] close(8) = -1 EBADF (Bad file descriptor) [pid 5104] close(9) = -1 EBADF (Bad file descriptor) [pid 5104] close(10) = -1 EBADF (Bad file descriptor) [pid 5104] close(11) = -1 EBADF (Bad file descriptor) [pid 5104] close(12) = -1 EBADF (Bad file descriptor) [pid 5104] close(13) = -1 EBADF (Bad file descriptor) [pid 5104] close(14) = -1 EBADF (Bad file descriptor) [pid 5104] close(15) = -1 EBADF (Bad file descriptor) [pid 5104] close(16) = -1 EBADF (Bad file descriptor) [pid 5104] close(17) = -1 EBADF (Bad file descriptor) [pid 5104] close(18) = -1 EBADF (Bad file descriptor) [pid 5104] close(19) = -1 EBADF (Bad file descriptor) [pid 5104] close(20) = -1 EBADF (Bad file descriptor) [pid 5104] close(21) = -1 EBADF (Bad file descriptor) [pid 5104] close(22) = -1 EBADF (Bad file descriptor) [pid 5104] close(23) = -1 EBADF (Bad file descriptor) [pid 5104] close(24) = -1 EBADF (Bad file descriptor) [pid 5104] close(25) = -1 EBADF (Bad file descriptor) [pid 5104] close(26) = -1 EBADF (Bad file descriptor) [pid 5104] close(27) = -1 EBADF (Bad file descriptor) [pid 5104] close(28) = -1 EBADF (Bad file descriptor) [pid 5104] close(29) = -1 EBADF (Bad file descriptor) [pid 5104] exit_group(0 [pid 5106] <... clone resumed>) = ? [pid 5105] <... futex resumed>) = ? [pid 5104] <... exit_group resumed>) = ? [pid 5106] +++ exited with 0 +++ [pid 5105] +++ exited with 0 +++ [pid 5104] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=94, si_uid=0, si_status=0, si_utime=9 /* 0.09 s */, si_stime=85 /* 0.85 s */} --- [pid 5000] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 98 ./strace-static-x86_64: Process 5108 attached [pid 5108] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5108] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5108] setpgid(0, 0) = 0 [pid 5108] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5108] write(3, "1000", 4) = 4 [pid 5108] close(3) = 0 [pid 5108] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5108] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5108] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5108] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[99], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 99 [pid 5108] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5108] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5109 attached [pid 5109] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5109] memfd_create("syzkaller", 0) = 3 [pid 5109] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5107] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=97, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=44 /* 0.44 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5109] 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"..., 67108864) = 67108864 [pid 5109] munmap(0x7f0f30428000, 67108864) = 0 [pid 5109] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5109] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5109] ioctl(4, LOOP_CLR_FD) = 0 [pid 5109] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5109] close(4) = 0 [pid 5109] close(3) = 0 [pid 5109] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5108] <... futex resumed>) = 0 [pid 5108] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5108] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5109] <... futex resumed>) = 1 [pid 5109] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5108] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5108] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5108] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5108] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f34407000 [pid 5108] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5108] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[100], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 100 [pid 5108] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5108] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5109] <... mmap resumed>) = 0x20000000 [pid 5109] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5109] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5110 attached [pid 5110] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5110] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5111 attached [pid 5111] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5108] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5108] close(3) = -1 EBADF (Bad file descriptor) [pid 5108] close(4) = -1 EBADF (Bad file descriptor) [pid 5108] close(5) = -1 EBADF (Bad file descriptor) [pid 5108] close(6) = -1 EBADF (Bad file descriptor) [pid 5108] close(7) = -1 EBADF (Bad file descriptor) [pid 5108] close(8) = -1 EBADF (Bad file descriptor) [pid 5108] close(9) = -1 EBADF (Bad file descriptor) [pid 5108] close(10) = -1 EBADF (Bad file descriptor) [pid 5108] close(11) = -1 EBADF (Bad file descriptor) [pid 5108] close(12) = -1 EBADF (Bad file descriptor) [pid 5108] close(13) = -1 EBADF (Bad file descriptor) [pid 5108] close(14) = -1 EBADF (Bad file descriptor) [pid 5108] close(15) = -1 EBADF (Bad file descriptor) [pid 5108] close(16) = -1 EBADF (Bad file descriptor) [pid 5108] close(17) = -1 EBADF (Bad file descriptor) [pid 5108] close(18) = -1 EBADF (Bad file descriptor) [pid 5108] close(19) = -1 EBADF (Bad file descriptor) [pid 5108] close(20) = -1 EBADF (Bad file descriptor) [pid 5108] close(21) = -1 EBADF (Bad file descriptor) [pid 5108] close(22) = -1 EBADF (Bad file descriptor) [pid 5108] close(23) = -1 EBADF (Bad file descriptor) [pid 5108] close(24) = -1 EBADF (Bad file descriptor) [pid 5108] close(25) = -1 EBADF (Bad file descriptor) [pid 5108] close(26) = -1 EBADF (Bad file descriptor) [pid 5108] close(27) = -1 EBADF (Bad file descriptor) [pid 5108] close(28) = -1 EBADF (Bad file descriptor) [pid 5108] close(29) = -1 EBADF (Bad file descriptor) [pid 5108] exit_group(0 [pid 5110] <... clone resumed>) = ? [pid 5109] <... futex resumed>) = ? [pid 5108] <... exit_group resumed>) = ? [pid 5110] +++ exited with 0 +++ [pid 5109] +++ exited with 0 +++ [pid 5108] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=98, si_uid=0, si_status=0, si_utime=14 /* 0.14 s */, si_stime=74 /* 0.74 s */} --- [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 102 ./strace-static-x86_64: Process 5112 attached [pid 5112] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5112] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5112] setpgid(0, 0) = 0 [pid 5112] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5112] write(3, "1000", 4) = 4 [pid 5112] close(3) = 0 [pid 5112] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5112] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5112] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5112] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[103], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 103 [pid 5112] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5112] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5113 attached [pid 5113] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5113] memfd_create("syzkaller", 0) = 3 [pid 5113] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5111] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=101, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=39 /* 0.39 s */} --- [pid 5113] 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"..., 67108864) = 67108864 [pid 5113] munmap(0x7f0f30428000, 67108864) = 0 [pid 5113] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5113] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5113] ioctl(4, LOOP_CLR_FD) = 0 [pid 5113] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5113] close(4) = 0 [pid 5113] close(3) = 0 [pid 5113] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5112] <... futex resumed>) = 0 [pid 5112] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5112] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5113] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5112] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5112] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5112] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5112] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5113] <... mmap resumed>) = 0x20000000 [pid 5112] <... mmap resumed>) = 0x7f0f34407000 [pid 5112] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE [pid 5113] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5112] <... mprotect resumed>) = 0 [pid 5112] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5113] <... futex resumed>) = 0 [pid 5112] <... clone resumed>, parent_tid=[104], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 104 [pid 5112] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5112] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5113] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5114 attached [pid 5114] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5114] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5115 attached [pid 5115] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5112] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5112] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5112] close(3) = -1 EBADF (Bad file descriptor) [pid 5112] close(4) = -1 EBADF (Bad file descriptor) [pid 5112] close(5) = -1 EBADF (Bad file descriptor) [pid 5112] close(6) = -1 EBADF (Bad file descriptor) [pid 5112] close(7) = -1 EBADF (Bad file descriptor) [pid 5112] close(8) = -1 EBADF (Bad file descriptor) [pid 5112] close(9) = -1 EBADF (Bad file descriptor) [pid 5112] close(10) = -1 EBADF (Bad file descriptor) [pid 5112] close(11) = -1 EBADF (Bad file descriptor) [pid 5112] close(12) = -1 EBADF (Bad file descriptor) [pid 5112] close(13) = -1 EBADF (Bad file descriptor) [pid 5112] close(14) = -1 EBADF (Bad file descriptor) [pid 5112] close(15) = -1 EBADF (Bad file descriptor) [pid 5112] close(16) = -1 EBADF (Bad file descriptor) [pid 5112] close(17) = -1 EBADF (Bad file descriptor) [pid 5112] close(18) = -1 EBADF (Bad file descriptor) [pid 5112] close(19) = -1 EBADF (Bad file descriptor) [pid 5112] close(20) = -1 EBADF (Bad file descriptor) [pid 5112] close(21) = -1 EBADF (Bad file descriptor) [pid 5112] close(22) = -1 EBADF (Bad file descriptor) [pid 5112] close(23) = -1 EBADF (Bad file descriptor) [pid 5112] close(24) = -1 EBADF (Bad file descriptor) [pid 5112] close(25) = -1 EBADF (Bad file descriptor) [pid 5112] close(26) = -1 EBADF (Bad file descriptor) [pid 5112] close(27) = -1 EBADF (Bad file descriptor) [pid 5112] close(28) = -1 EBADF (Bad file descriptor) [pid 5112] close(29) = -1 EBADF (Bad file descriptor) [pid 5112] exit_group(0 [pid 5114] <... clone resumed>) = ? [pid 5113] <... futex resumed>) = ? [pid 5112] <... exit_group resumed>) = ? [pid 5114] +++ exited with 0 +++ [pid 5113] +++ exited with 0 +++ [pid 5112] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=102, si_uid=0, si_status=0, si_utime=22 /* 0.22 s */, si_stime=71 /* 0.71 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 106 ./strace-static-x86_64: Process 5116 attached [pid 5116] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5116] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5116] setpgid(0, 0) = 0 [pid 5116] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5116] write(3, "1000", 4) = 4 [pid 5116] close(3) = 0 [pid 5116] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5116] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5116] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5116] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[107], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 107 [pid 5116] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5116] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5117 attached [pid 5117] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5117] memfd_create("syzkaller", 0) = 3 [pid 5117] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5115] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=105, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=45 /* 0.45 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5117] 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"..., 67108864) = 67108864 [pid 5117] munmap(0x7f0f30428000, 67108864) = 0 [pid 5117] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5117] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5117] ioctl(4, LOOP_CLR_FD) = 0 [pid 5117] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5117] close(4) = 0 [pid 5117] close(3) = 0 [pid 5117] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5116] <... futex resumed>) = 0 [pid 5116] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5116] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5117] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5116] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5116] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5116] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5117] <... mmap resumed>) = 0x20000000 [pid 5116] <... mmap resumed>) = 0x7f0f34407000 [pid 5116] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5117] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5116] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 5118 attached [pid 5117] <... futex resumed>) = 0 [pid 5116] <... clone resumed>, parent_tid=[108], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 108 [pid 5116] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5116] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5117] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5118] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5118] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5119 attached [pid 5119] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5116] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5116] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5116] close(3) = -1 EBADF (Bad file descriptor) [pid 5116] close(4) = -1 EBADF (Bad file descriptor) [pid 5116] close(5) = -1 EBADF (Bad file descriptor) [pid 5116] close(6) = -1 EBADF (Bad file descriptor) [pid 5116] close(7) = -1 EBADF (Bad file descriptor) [pid 5116] close(8) = -1 EBADF (Bad file descriptor) [pid 5116] close(9) = -1 EBADF (Bad file descriptor) [pid 5116] close(10) = -1 EBADF (Bad file descriptor) [pid 5116] close(11) = -1 EBADF (Bad file descriptor) [pid 5116] close(12) = -1 EBADF (Bad file descriptor) [pid 5116] close(13) = -1 EBADF (Bad file descriptor) [pid 5116] close(14) = -1 EBADF (Bad file descriptor) [pid 5116] close(15) = -1 EBADF (Bad file descriptor) [pid 5116] close(16) = -1 EBADF (Bad file descriptor) [pid 5116] close(17) = -1 EBADF (Bad file descriptor) [pid 5116] close(18) = -1 EBADF (Bad file descriptor) [pid 5116] close(19) = -1 EBADF (Bad file descriptor) [pid 5116] close(20) = -1 EBADF (Bad file descriptor) [pid 5116] close(21) = -1 EBADF (Bad file descriptor) [pid 5116] close(22) = -1 EBADF (Bad file descriptor) [pid 5116] close(23) = -1 EBADF (Bad file descriptor) [pid 5116] close(24) = -1 EBADF (Bad file descriptor) [pid 5116] close(25) = -1 EBADF (Bad file descriptor) [pid 5116] close(26) = -1 EBADF (Bad file descriptor) [pid 5116] close(27) = -1 EBADF (Bad file descriptor) [pid 5116] close(28) = -1 EBADF (Bad file descriptor) [pid 5116] close(29) = -1 EBADF (Bad file descriptor) [pid 5116] exit_group(0 [pid 5118] <... clone resumed>) = ? [pid 5117] <... futex resumed>) = ? [pid 5116] <... exit_group resumed>) = ? [pid 5118] +++ exited with 0 +++ [pid 5117] +++ exited with 0 +++ [pid 5116] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=106, si_uid=0, si_status=0, si_utime=16 /* 0.16 s */, si_stime=75 /* 0.75 s */} --- [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 110 ./strace-static-x86_64: Process 5120 attached [pid 5120] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5120] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5120] setpgid(0, 0) = 0 [pid 5120] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5120] write(3, "1000", 4) = 4 [pid 5120] close(3) = 0 [pid 5120] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5120] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5120] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5120] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[111], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 111 [pid 5120] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5120] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5121 attached [pid 5121] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5121] memfd_create("syzkaller", 0) = 3 [pid 5121] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5121] 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"..., 67108864 [pid 5119] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=109, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=38 /* 0.38 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5121] <... write resumed>) = 67108864 [pid 5121] munmap(0x7f0f30428000, 67108864) = 0 [pid 5121] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5121] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5121] ioctl(4, LOOP_CLR_FD) = 0 [pid 5121] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5121] close(4) = 0 [pid 5121] close(3) = 0 [pid 5121] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5120] <... futex resumed>) = 0 [pid 5120] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5120] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5121] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5120] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5120] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5120] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5120] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5120] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5121] <... mmap resumed>) = 0x20000000 [pid 5120] <... mmap resumed>) = 0x7f0f34407000 [pid 5120] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5121] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5120] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 5122 attached [pid 5121] <... futex resumed>) = 0 [pid 5120] <... clone resumed>, parent_tid=[112], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 112 [pid 5120] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5120] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5122] set_robust_list(0x7f0f344279e0, 24 [pid 5121] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5122] <... set_robust_list resumed>) = 0 [pid 5122] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5123 attached [pid 5123] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5120] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5120] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5120] close(3) = -1 EBADF (Bad file descriptor) [pid 5120] close(4) = -1 EBADF (Bad file descriptor) [pid 5120] close(5) = -1 EBADF (Bad file descriptor) [pid 5120] close(6) = -1 EBADF (Bad file descriptor) [pid 5120] close(7) = -1 EBADF (Bad file descriptor) [pid 5120] close(8) = -1 EBADF (Bad file descriptor) [pid 5120] close(9) = -1 EBADF (Bad file descriptor) [pid 5120] close(10) = -1 EBADF (Bad file descriptor) [pid 5120] close(11) = -1 EBADF (Bad file descriptor) [pid 5120] close(12) = -1 EBADF (Bad file descriptor) [pid 5120] close(13) = -1 EBADF (Bad file descriptor) [pid 5120] close(14) = -1 EBADF (Bad file descriptor) [pid 5120] close(15) = -1 EBADF (Bad file descriptor) [pid 5120] close(16) = -1 EBADF (Bad file descriptor) [pid 5120] close(17) = -1 EBADF (Bad file descriptor) [pid 5120] close(18) = -1 EBADF (Bad file descriptor) [pid 5120] close(19) = -1 EBADF (Bad file descriptor) [pid 5120] close(20) = -1 EBADF (Bad file descriptor) [pid 5120] close(21) = -1 EBADF (Bad file descriptor) [pid 5120] close(22) = -1 EBADF (Bad file descriptor) [pid 5120] close(23) = -1 EBADF (Bad file descriptor) [pid 5120] close(24) = -1 EBADF (Bad file descriptor) [pid 5120] close(25) = -1 EBADF (Bad file descriptor) [pid 5120] close(26) = -1 EBADF (Bad file descriptor) [pid 5120] close(27) = -1 EBADF (Bad file descriptor) [pid 5120] close(28) = -1 EBADF (Bad file descriptor) [pid 5120] close(29) = -1 EBADF (Bad file descriptor) [pid 5120] exit_group(0) = ? [pid 5121] <... futex resumed>) = ? [pid 5122] <... clone resumed>) = ? [pid 5121] +++ exited with 0 +++ [pid 5122] +++ exited with 0 +++ [pid 5120] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=110, si_uid=0, si_status=0, si_utime=17 /* 0.17 s */, si_stime=77 /* 0.77 s */} --- [pid 5000] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 114 ./strace-static-x86_64: Process 5124 attached [pid 5124] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5124] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5124] setpgid(0, 0) = 0 [pid 5124] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5124] write(3, "1000", 4) = 4 [pid 5124] close(3) = 0 [pid 5124] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5124] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5124] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5124] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[115], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 115 [pid 5124] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5124] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5125 attached [pid 5125] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5125] memfd_create("syzkaller", 0) = 3 [pid 5125] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5123] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=113, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=43 /* 0.43 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5125] 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"..., 67108864) = 67108864 [pid 5125] munmap(0x7f0f30428000, 67108864) = 0 [pid 5125] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5125] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5125] ioctl(4, LOOP_CLR_FD) = 0 [pid 5125] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5125] close(4) = 0 [pid 5125] close(3) = 0 [pid 5125] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5124] <... futex resumed>) = 0 [pid 5124] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5124] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5125] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5124] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5124] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5124] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5125] <... mmap resumed>) = 0x20000000 [pid 5124] <... mmap resumed>) = 0x7f0f34407000 [pid 5124] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5125] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5124] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 5126 attached [pid 5125] <... futex resumed>) = 0 [pid 5124] <... clone resumed>, parent_tid=[116], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 116 [pid 5124] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5124] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5125] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5126] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5126] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5127 attached [pid 5127] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5124] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5124] close(3) = -1 EBADF (Bad file descriptor) [pid 5124] close(4) = -1 EBADF (Bad file descriptor) [pid 5124] close(5) = -1 EBADF (Bad file descriptor) [pid 5124] close(6) = -1 EBADF (Bad file descriptor) [pid 5124] close(7) = -1 EBADF (Bad file descriptor) [pid 5124] close(8) = -1 EBADF (Bad file descriptor) [pid 5124] close(9) = -1 EBADF (Bad file descriptor) [pid 5124] close(10) = -1 EBADF (Bad file descriptor) [pid 5124] close(11) = -1 EBADF (Bad file descriptor) [pid 5124] close(12) = -1 EBADF (Bad file descriptor) [pid 5124] close(13) = -1 EBADF (Bad file descriptor) [pid 5124] close(14) = -1 EBADF (Bad file descriptor) [pid 5124] close(15) = -1 EBADF (Bad file descriptor) [pid 5124] close(16) = -1 EBADF (Bad file descriptor) [pid 5124] close(17) = -1 EBADF (Bad file descriptor) [pid 5124] close(18) = -1 EBADF (Bad file descriptor) [pid 5124] close(19) = -1 EBADF (Bad file descriptor) [pid 5124] close(20) = -1 EBADF (Bad file descriptor) [pid 5124] close(21) = -1 EBADF (Bad file descriptor) [pid 5124] close(22) = -1 EBADF (Bad file descriptor) [pid 5124] close(23) = -1 EBADF (Bad file descriptor) [pid 5124] close(24) = -1 EBADF (Bad file descriptor) [pid 5124] close(25) = -1 EBADF (Bad file descriptor) [pid 5124] close(26) = -1 EBADF (Bad file descriptor) [pid 5124] close(27) = -1 EBADF (Bad file descriptor) [pid 5124] close(28) = -1 EBADF (Bad file descriptor) [pid 5124] close(29) = -1 EBADF (Bad file descriptor) [pid 5124] exit_group(0 [pid 5125] <... futex resumed>) = ? [pid 5124] <... exit_group resumed>) = ? [pid 5126] <... clone resumed>) = ? [pid 5125] +++ exited with 0 +++ [pid 5126] +++ exited with 0 +++ [pid 5124] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=114, si_uid=0, si_status=0, si_utime=17 /* 0.17 s */, si_stime=71 /* 0.71 s */} --- [pid 5000] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 118 ./strace-static-x86_64: Process 5128 attached [pid 5128] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5128] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5128] setpgid(0, 0) = 0 [pid 5128] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5128] write(3, "1000", 4) = 4 [pid 5128] close(3) = 0 [pid 5128] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5128] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5128] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5128] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[119], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 119 [pid 5128] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5128] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5129 attached [pid 5129] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5129] memfd_create("syzkaller", 0) = 3 [pid 5129] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5129] 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"..., 67108864 [pid 5127] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=117, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=39 /* 0.39 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5129] <... write resumed>) = 67108864 [pid 5129] munmap(0x7f0f30428000, 67108864) = 0 [pid 5129] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5129] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5129] ioctl(4, LOOP_CLR_FD) = 0 [pid 5129] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5129] close(4) = 0 [pid 5129] close(3) = 0 [pid 5129] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5128] <... futex resumed>) = 0 [pid 5128] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5128] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5129] <... futex resumed>) = 1 [pid 5129] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5128] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5128] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5128] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f34407000 [pid 5128] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5128] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[120], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 120 [pid 5128] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5128] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5129] <... mmap resumed>) = 0x20000000 [pid 5129] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5129] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5130 attached [pid 5130] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5130] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5131 attached [pid 5131] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5128] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5128] close(3) = -1 EBADF (Bad file descriptor) [pid 5128] close(4) = -1 EBADF (Bad file descriptor) [pid 5128] close(5) = -1 EBADF (Bad file descriptor) [pid 5128] close(6) = -1 EBADF (Bad file descriptor) [pid 5128] close(7) = -1 EBADF (Bad file descriptor) [pid 5128] close(8) = -1 EBADF (Bad file descriptor) [pid 5128] close(9) = -1 EBADF (Bad file descriptor) [pid 5128] close(10) = -1 EBADF (Bad file descriptor) [pid 5128] close(11) = -1 EBADF (Bad file descriptor) [pid 5128] close(12) = -1 EBADF (Bad file descriptor) [pid 5128] close(13) = -1 EBADF (Bad file descriptor) [pid 5128] close(14) = -1 EBADF (Bad file descriptor) [pid 5128] close(15) = -1 EBADF (Bad file descriptor) [pid 5128] close(16) = -1 EBADF (Bad file descriptor) [pid 5128] close(17) = -1 EBADF (Bad file descriptor) [pid 5128] close(18) = -1 EBADF (Bad file descriptor) [pid 5128] close(19) = -1 EBADF (Bad file descriptor) [pid 5128] close(20) = -1 EBADF (Bad file descriptor) [pid 5128] close(21) = -1 EBADF (Bad file descriptor) [pid 5128] close(22) = -1 EBADF (Bad file descriptor) [pid 5128] close(23) = -1 EBADF (Bad file descriptor) [pid 5128] close(24) = -1 EBADF (Bad file descriptor) [pid 5128] close(25) = -1 EBADF (Bad file descriptor) [pid 5128] close(26) = -1 EBADF (Bad file descriptor) [pid 5128] close(27) = -1 EBADF (Bad file descriptor) [pid 5128] close(28) = -1 EBADF (Bad file descriptor) [pid 5128] close(29) = -1 EBADF (Bad file descriptor) [pid 5128] exit_group(0 [pid 5130] <... clone resumed>) = ? [pid 5129] <... futex resumed>) = ? [pid 5128] <... exit_group resumed>) = ? [pid 5130] +++ exited with 0 +++ [pid 5129] +++ exited with 0 +++ [pid 5128] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=118, si_uid=0, si_status=0, si_utime=16 /* 0.16 s */, si_stime=75 /* 0.75 s */} --- [pid 5000] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 122 ./strace-static-x86_64: Process 5132 attached [pid 5132] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5132] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5132] setpgid(0, 0) = 0 [pid 5132] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5132] write(3, "1000", 4) = 4 [pid 5132] close(3) = 0 [pid 5132] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5132] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5132] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5132] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[123], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 123 [pid 5132] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5132] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5133 attached [pid 5133] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5133] memfd_create("syzkaller", 0) = 3 [pid 5133] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5131] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=121, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=39 /* 0.39 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5133] 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"..., 67108864) = 67108864 [pid 5133] munmap(0x7f0f30428000, 67108864) = 0 [pid 5133] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5133] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5133] ioctl(4, LOOP_CLR_FD) = 0 [pid 5133] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5133] close(4) = 0 [pid 5133] close(3) = 0 [pid 5133] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5132] <... futex resumed>) = 0 [pid 5132] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5132] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5133] <... futex resumed>) = 1 [pid 5133] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5132] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5132] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5132] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5132] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f34407000 [pid 5132] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5132] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[124], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 124 [pid 5132] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5132] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5133] <... mmap resumed>) = 0x20000000 [pid 5133] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5133] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5134 attached [pid 5134] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5134] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5135 attached [pid 5135] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5132] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5132] close(3) = -1 EBADF (Bad file descriptor) [pid 5132] close(4) = -1 EBADF (Bad file descriptor) [pid 5132] close(5) = -1 EBADF (Bad file descriptor) [pid 5132] close(6) = -1 EBADF (Bad file descriptor) [pid 5132] close(7) = -1 EBADF (Bad file descriptor) [pid 5132] close(8) = -1 EBADF (Bad file descriptor) [pid 5132] close(9) = -1 EBADF (Bad file descriptor) [pid 5132] close(10) = -1 EBADF (Bad file descriptor) [pid 5132] close(11) = -1 EBADF (Bad file descriptor) [pid 5132] close(12) = -1 EBADF (Bad file descriptor) [pid 5132] close(13) = -1 EBADF (Bad file descriptor) [pid 5132] close(14) = -1 EBADF (Bad file descriptor) [pid 5132] close(15) = -1 EBADF (Bad file descriptor) [pid 5132] close(16) = -1 EBADF (Bad file descriptor) [pid 5132] close(17) = -1 EBADF (Bad file descriptor) [pid 5132] close(18) = -1 EBADF (Bad file descriptor) [pid 5132] close(19) = -1 EBADF (Bad file descriptor) [pid 5132] close(20) = -1 EBADF (Bad file descriptor) [pid 5132] close(21) = -1 EBADF (Bad file descriptor) [pid 5132] close(22) = -1 EBADF (Bad file descriptor) [pid 5132] close(23) = -1 EBADF (Bad file descriptor) [pid 5132] close(24) = -1 EBADF (Bad file descriptor) [pid 5132] close(25) = -1 EBADF (Bad file descriptor) [pid 5132] close(26) = -1 EBADF (Bad file descriptor) [pid 5132] close(27) = -1 EBADF (Bad file descriptor) [pid 5132] close(28) = -1 EBADF (Bad file descriptor) [pid 5132] close(29) = -1 EBADF (Bad file descriptor) [pid 5132] exit_group(0 [pid 5134] <... clone resumed>) = ? [pid 5133] <... futex resumed>) = ? [pid 5132] <... exit_group resumed>) = ? [pid 5134] +++ exited with 0 +++ [pid 5133] +++ exited with 0 +++ [pid 5132] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=122, si_uid=0, si_status=0, si_utime=17 /* 0.17 s */, si_stime=75 /* 0.75 s */} --- [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 126 ./strace-static-x86_64: Process 5136 attached [pid 5136] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5136] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5136] setpgid(0, 0) = 0 [pid 5136] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5136] write(3, "1000", 4) = 4 [pid 5136] close(3) = 0 [pid 5136] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5136] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5136] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5136] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[127], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 127 [pid 5136] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5136] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5137 attached [pid 5137] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5137] memfd_create("syzkaller", 0) = 3 [pid 5137] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5137] 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"..., 67108864 [pid 5135] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=125, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=38 /* 0.38 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5137] <... write resumed>) = 67108864 [pid 5137] munmap(0x7f0f30428000, 67108864) = 0 [pid 5137] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5137] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5137] ioctl(4, LOOP_CLR_FD) = 0 [pid 5137] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5137] close(4) = 0 [pid 5137] close(3) = 0 [pid 5137] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5136] <... futex resumed>) = 0 [pid 5136] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5136] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5137] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5136] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5136] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5136] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5137] <... mmap resumed>) = 0x20000000 [pid 5136] <... mmap resumed>) = 0x7f0f34407000 [pid 5136] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE [pid 5137] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5136] <... mprotect resumed>) = 0 [pid 5136] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5137] <... futex resumed>) = 0 [pid 5136] <... clone resumed>, parent_tid=[128], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 128 [pid 5136] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5136] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5137] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5138 attached [pid 5138] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5138] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5139 attached [pid 5139] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5136] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5136] close(3) = -1 EBADF (Bad file descriptor) [pid 5136] close(4) = -1 EBADF (Bad file descriptor) [pid 5136] close(5) = -1 EBADF (Bad file descriptor) [pid 5136] close(6) = -1 EBADF (Bad file descriptor) [pid 5136] close(7) = -1 EBADF (Bad file descriptor) [pid 5136] close(8) = -1 EBADF (Bad file descriptor) [pid 5136] close(9) = -1 EBADF (Bad file descriptor) [pid 5136] close(10) = -1 EBADF (Bad file descriptor) [pid 5136] close(11) = -1 EBADF (Bad file descriptor) [pid 5136] close(12) = -1 EBADF (Bad file descriptor) [pid 5136] close(13) = -1 EBADF (Bad file descriptor) [pid 5136] close(14) = -1 EBADF (Bad file descriptor) [pid 5136] close(15) = -1 EBADF (Bad file descriptor) [pid 5136] close(16) = -1 EBADF (Bad file descriptor) [pid 5136] close(17) = -1 EBADF (Bad file descriptor) [pid 5136] close(18) = -1 EBADF (Bad file descriptor) [pid 5136] close(19) = -1 EBADF (Bad file descriptor) [pid 5136] close(20) = -1 EBADF (Bad file descriptor) [pid 5136] close(21) = -1 EBADF (Bad file descriptor) [pid 5136] close(22) = -1 EBADF (Bad file descriptor) [pid 5136] close(23) = -1 EBADF (Bad file descriptor) [pid 5136] close(24) = -1 EBADF (Bad file descriptor) [pid 5136] close(25) = -1 EBADF (Bad file descriptor) [pid 5136] close(26) = -1 EBADF (Bad file descriptor) [pid 5136] close(27) = -1 EBADF (Bad file descriptor) [pid 5136] close(28) = -1 EBADF (Bad file descriptor) [pid 5136] close(29) = -1 EBADF (Bad file descriptor) [pid 5136] exit_group(0 [pid 5138] <... clone resumed>) = ? [pid 5137] <... futex resumed>) = ? [pid 5136] <... exit_group resumed>) = ? [pid 5138] +++ exited with 0 +++ [pid 5137] +++ exited with 0 +++ [pid 5136] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=126, si_uid=0, si_status=0, si_utime=17 /* 0.17 s */, si_stime=76 /* 0.76 s */} --- [pid 5000] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 130 ./strace-static-x86_64: Process 5140 attached [pid 5140] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5140] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5140] setpgid(0, 0) = 0 [pid 5140] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5140] write(3, "1000", 4) = 4 [pid 5140] close(3) = 0 [pid 5140] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5140] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5140] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5140] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[131], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 131 [pid 5140] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5140] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5141 attached [pid 5141] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5141] memfd_create("syzkaller", 0) = 3 [pid 5141] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5139] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=129, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=39 /* 0.39 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5141] 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"..., 67108864) = 67108864 [pid 5141] munmap(0x7f0f30428000, 67108864) = 0 [pid 5141] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5141] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5141] ioctl(4, LOOP_CLR_FD) = 0 [pid 5141] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5141] close(4) = 0 [pid 5141] close(3) = 0 [pid 5141] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5140] <... futex resumed>) = 0 [pid 5140] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5141] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5140] <... futex resumed>) = 0 [pid 5140] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5140] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5140] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f34407000 [pid 5141] <... mmap resumed>) = 0x20000000 [pid 5141] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5140] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5141] <... futex resumed>) = 0 [pid 5141] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5140] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[132], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 132 [pid 5140] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5140] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5142 attached [pid 5142] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5142] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5143 attached [pid 5143] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5140] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5140] close(3) = -1 EBADF (Bad file descriptor) [pid 5140] close(4) = -1 EBADF (Bad file descriptor) [pid 5140] close(5) = -1 EBADF (Bad file descriptor) [pid 5140] close(6) = -1 EBADF (Bad file descriptor) [pid 5140] close(7) = -1 EBADF (Bad file descriptor) [pid 5140] close(8) = -1 EBADF (Bad file descriptor) [pid 5140] close(9) = -1 EBADF (Bad file descriptor) [pid 5140] close(10) = -1 EBADF (Bad file descriptor) [pid 5140] close(11) = -1 EBADF (Bad file descriptor) [pid 5140] close(12) = -1 EBADF (Bad file descriptor) [pid 5140] close(13) = -1 EBADF (Bad file descriptor) [pid 5140] close(14) = -1 EBADF (Bad file descriptor) [pid 5140] close(15) = -1 EBADF (Bad file descriptor) [pid 5140] close(16) = -1 EBADF (Bad file descriptor) [pid 5140] close(17) = -1 EBADF (Bad file descriptor) [pid 5140] close(18) = -1 EBADF (Bad file descriptor) [pid 5140] close(19) = -1 EBADF (Bad file descriptor) [pid 5140] close(20) = -1 EBADF (Bad file descriptor) [pid 5140] close(21) = -1 EBADF (Bad file descriptor) [pid 5140] close(22) = -1 EBADF (Bad file descriptor) [pid 5140] close(23) = -1 EBADF (Bad file descriptor) [pid 5140] close(24) = -1 EBADF (Bad file descriptor) [pid 5140] close(25) = -1 EBADF (Bad file descriptor) [pid 5140] close(26) = -1 EBADF (Bad file descriptor) [pid 5140] close(27) = -1 EBADF (Bad file descriptor) [pid 5140] close(28) = -1 EBADF (Bad file descriptor) [pid 5140] close(29) = -1 EBADF (Bad file descriptor) [pid 5140] exit_group(0 [pid 5142] <... clone resumed>) = ? [pid 5141] <... futex resumed>) = ? [pid 5140] <... exit_group resumed>) = ? [pid 5142] +++ exited with 0 +++ [pid 5141] +++ exited with 0 +++ [pid 5140] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=130, si_uid=0, si_status=0, si_utime=19 /* 0.19 s */, si_stime=76 /* 0.76 s */} --- [pid 5000] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 134 ./strace-static-x86_64: Process 5144 attached [pid 5144] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5144] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5144] setpgid(0, 0) = 0 [pid 5144] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5144] write(3, "1000", 4) = 4 [pid 5144] close(3) = 0 [pid 5144] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5144] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5144] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5144] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[135], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 135 [pid 5144] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5144] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5145 attached [pid 5145] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5145] memfd_create("syzkaller", 0) = 3 [pid 5145] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5143] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=133, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=40 /* 0.40 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5145] 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"..., 67108864) = 67108864 [pid 5145] munmap(0x7f0f30428000, 67108864) = 0 [pid 5145] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5145] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5145] ioctl(4, LOOP_CLR_FD) = 0 [pid 5145] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5145] close(4) = 0 [pid 5145] close(3) = 0 [pid 5145] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5144] <... futex resumed>) = 0 [pid 5144] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5144] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5145] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5144] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5144] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5144] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5144] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f34407000 [pid 5144] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE [pid 5145] <... mmap resumed>) = 0x20000000 [pid 5144] <... mprotect resumed>) = 0 [pid 5145] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5144] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[136], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 136 [pid 5144] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5144] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5145] <... futex resumed>) = 0 [pid 5145] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5146 attached [pid 5146] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5146] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5147 attached [pid 5147] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5144] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5144] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5144] close(3) = -1 EBADF (Bad file descriptor) [pid 5144] close(4) = -1 EBADF (Bad file descriptor) [pid 5144] close(5) = -1 EBADF (Bad file descriptor) [pid 5144] close(6) = -1 EBADF (Bad file descriptor) [pid 5144] close(7) = -1 EBADF (Bad file descriptor) [pid 5144] close(8) = -1 EBADF (Bad file descriptor) [pid 5144] close(9) = -1 EBADF (Bad file descriptor) [pid 5144] close(10) = -1 EBADF (Bad file descriptor) [pid 5144] close(11) = -1 EBADF (Bad file descriptor) [pid 5144] close(12) = -1 EBADF (Bad file descriptor) [pid 5144] close(13) = -1 EBADF (Bad file descriptor) [pid 5144] close(14) = -1 EBADF (Bad file descriptor) [pid 5144] close(15) = -1 EBADF (Bad file descriptor) [pid 5144] close(16) = -1 EBADF (Bad file descriptor) [pid 5144] close(17) = -1 EBADF (Bad file descriptor) [pid 5144] close(18) = -1 EBADF (Bad file descriptor) [pid 5144] close(19) = -1 EBADF (Bad file descriptor) [pid 5144] close(20) = -1 EBADF (Bad file descriptor) [pid 5144] close(21) = -1 EBADF (Bad file descriptor) [pid 5144] close(22) = -1 EBADF (Bad file descriptor) [pid 5144] close(23) = -1 EBADF (Bad file descriptor) [pid 5144] close(24) = -1 EBADF (Bad file descriptor) [pid 5144] close(25) = -1 EBADF (Bad file descriptor) [pid 5144] close(26) = -1 EBADF (Bad file descriptor) [pid 5144] close(27) = -1 EBADF (Bad file descriptor) [pid 5144] close(28) = -1 EBADF (Bad file descriptor) [pid 5144] close(29) = -1 EBADF (Bad file descriptor) [pid 5144] exit_group(0 [pid 5146] <... clone resumed>) = ? [pid 5145] <... futex resumed>) = ? [pid 5144] <... exit_group resumed>) = ? [pid 5146] +++ exited with 0 +++ [pid 5145] +++ exited with 0 +++ [pid 5144] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=134, si_uid=0, si_status=0, si_utime=13 /* 0.13 s */, si_stime=79 /* 0.79 s */} --- [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 138 ./strace-static-x86_64: Process 5148 attached [pid 5148] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5148] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5148] setpgid(0, 0) = 0 [pid 5148] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5148] write(3, "1000", 4) = 4 [pid 5148] close(3) = 0 [pid 5148] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5148] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5148] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5148] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[139], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 139 [pid 5148] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5148] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5149 attached [pid 5149] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5149] memfd_create("syzkaller", 0) = 3 [pid 5149] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5147] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=137, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=40 /* 0.40 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5149] 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"..., 67108864) = 67108864 [pid 5149] munmap(0x7f0f30428000, 67108864) = 0 [pid 5149] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5149] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5149] ioctl(4, LOOP_CLR_FD) = 0 [pid 5149] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5149] close(4) = 0 [pid 5149] close(3) = 0 [pid 5149] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5148] <... futex resumed>) = 0 [pid 5148] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5148] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5149] <... futex resumed>) = 1 [pid 5149] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5148] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5148] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5148] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f34407000 [pid 5148] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5148] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[140], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 140 [pid 5148] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5148] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5149] <... mmap resumed>) = 0x20000000 [pid 5149] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5149] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5150 attached [pid 5150] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5150] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5151 attached [pid 5151] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5148] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5148] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5148] close(3) = -1 EBADF (Bad file descriptor) [pid 5148] close(4) = -1 EBADF (Bad file descriptor) [pid 5148] close(5) = -1 EBADF (Bad file descriptor) [pid 5148] close(6) = -1 EBADF (Bad file descriptor) [pid 5148] close(7) = -1 EBADF (Bad file descriptor) [pid 5148] close(8) = -1 EBADF (Bad file descriptor) [pid 5148] close(9) = -1 EBADF (Bad file descriptor) [pid 5148] close(10) = -1 EBADF (Bad file descriptor) [pid 5148] close(11) = -1 EBADF (Bad file descriptor) [pid 5148] close(12) = -1 EBADF (Bad file descriptor) [pid 5148] close(13) = -1 EBADF (Bad file descriptor) [pid 5148] close(14) = -1 EBADF (Bad file descriptor) [pid 5148] close(15) = -1 EBADF (Bad file descriptor) [pid 5148] close(16) = -1 EBADF (Bad file descriptor) [pid 5148] close(17) = -1 EBADF (Bad file descriptor) [pid 5148] close(18) = -1 EBADF (Bad file descriptor) [pid 5148] close(19) = -1 EBADF (Bad file descriptor) [pid 5148] close(20) = -1 EBADF (Bad file descriptor) [pid 5148] close(21) = -1 EBADF (Bad file descriptor) [pid 5148] close(22) = -1 EBADF (Bad file descriptor) [pid 5148] close(23) = -1 EBADF (Bad file descriptor) [pid 5148] close(24) = -1 EBADF (Bad file descriptor) [pid 5148] close(25) = -1 EBADF (Bad file descriptor) [pid 5148] close(26) = -1 EBADF (Bad file descriptor) [pid 5148] close(27) = -1 EBADF (Bad file descriptor) [pid 5148] close(28) = -1 EBADF (Bad file descriptor) [pid 5148] close(29) = -1 EBADF (Bad file descriptor) [pid 5148] exit_group(0 [pid 5150] <... clone resumed>) = ? [pid 5149] <... futex resumed>) = ? [pid 5148] <... exit_group resumed>) = ? [pid 5150] +++ exited with 0 +++ [pid 5149] +++ exited with 0 +++ [pid 5148] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=138, si_uid=0, si_status=0, si_utime=12 /* 0.12 s */, si_stime=81 /* 0.81 s */} --- [pid 5000] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 142 ./strace-static-x86_64: Process 5152 attached [pid 5152] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5152] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5152] setpgid(0, 0) = 0 [pid 5152] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5152] write(3, "1000", 4) = 4 [pid 5152] close(3) = 0 [pid 5152] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5152] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5152] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5152] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[143], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 143 [pid 5152] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5152] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5153 attached [pid 5153] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5153] memfd_create("syzkaller", 0) = 3 [pid 5153] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5153] 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"..., 67108864 [pid 5151] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=141, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=37 /* 0.37 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5153] <... write resumed>) = 67108864 [pid 5153] munmap(0x7f0f30428000, 67108864) = 0 [pid 5153] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5153] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5153] ioctl(4, LOOP_CLR_FD) = 0 [pid 5153] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5153] close(4) = 0 [pid 5153] close(3) = 0 [pid 5153] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5152] <... futex resumed>) = 0 [pid 5152] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5152] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5153] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5152] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5152] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5152] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5152] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5153] <... mmap resumed>) = 0x20000000 [pid 5152] <... mmap resumed>) = 0x7f0f34407000 [pid 5152] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE [pid 5153] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5152] <... mprotect resumed>) = 0 [pid 5152] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5153] <... futex resumed>) = 0 [pid 5153] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5152] <... clone resumed>, parent_tid=[144], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 144 [pid 5152] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5152] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5154 attached [pid 5154] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5154] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5155 attached [pid 5155] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5152] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5152] close(3) = -1 EBADF (Bad file descriptor) [pid 5152] close(4) = -1 EBADF (Bad file descriptor) [pid 5152] close(5) = -1 EBADF (Bad file descriptor) [pid 5152] close(6) = -1 EBADF (Bad file descriptor) [pid 5152] close(7) = -1 EBADF (Bad file descriptor) [pid 5152] close(8) = -1 EBADF (Bad file descriptor) [pid 5152] close(9) = -1 EBADF (Bad file descriptor) [pid 5152] close(10) = -1 EBADF (Bad file descriptor) [pid 5152] close(11) = -1 EBADF (Bad file descriptor) [pid 5152] close(12) = -1 EBADF (Bad file descriptor) [pid 5152] close(13) = -1 EBADF (Bad file descriptor) [pid 5152] close(14) = -1 EBADF (Bad file descriptor) [pid 5152] close(15) = -1 EBADF (Bad file descriptor) [pid 5152] close(16) = -1 EBADF (Bad file descriptor) [pid 5152] close(17) = -1 EBADF (Bad file descriptor) [pid 5152] close(18) = -1 EBADF (Bad file descriptor) [pid 5152] close(19) = -1 EBADF (Bad file descriptor) [pid 5152] close(20) = -1 EBADF (Bad file descriptor) [pid 5152] close(21) = -1 EBADF (Bad file descriptor) [pid 5152] close(22) = -1 EBADF (Bad file descriptor) [pid 5152] close(23) = -1 EBADF (Bad file descriptor) [pid 5152] close(24) = -1 EBADF (Bad file descriptor) [pid 5152] close(25) = -1 EBADF (Bad file descriptor) [pid 5152] close(26) = -1 EBADF (Bad file descriptor) [pid 5152] close(27) = -1 EBADF (Bad file descriptor) [pid 5152] close(28) = -1 EBADF (Bad file descriptor) [pid 5152] close(29) = -1 EBADF (Bad file descriptor) [pid 5152] exit_group(0 [pid 5154] <... clone resumed>) = ? [pid 5153] <... futex resumed>) = ? [pid 5152] <... exit_group resumed>) = ? [pid 5154] +++ exited with 0 +++ [pid 5153] +++ exited with 0 +++ [pid 5152] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=142, si_uid=0, si_status=0, si_utime=17 /* 0.17 s */, si_stime=73 /* 0.73 s */} --- [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 146 ./strace-static-x86_64: Process 5156 attached [pid 5156] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5156] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5156] setpgid(0, 0) = 0 [pid 5156] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5156] write(3, "1000", 4) = 4 [pid 5156] close(3) = 0 [pid 5156] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5156] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5156] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5156] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[147], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 147 [pid 5156] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5156] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5157 attached [pid 5157] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5157] memfd_create("syzkaller", 0) = 3 [pid 5157] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5157] 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"..., 67108864 [pid 5155] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=145, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=42 /* 0.42 s */} --- [pid 5157] <... write resumed>) = 67108864 [pid 5157] munmap(0x7f0f30428000, 67108864) = 0 [pid 5157] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5157] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5157] ioctl(4, LOOP_CLR_FD) = 0 [pid 5157] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5157] close(4) = 0 [pid 5157] close(3) = 0 [pid 5157] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5156] <... futex resumed>) = 0 [pid 5156] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5156] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5157] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5156] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5156] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5156] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5156] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5157] <... mmap resumed>) = 0x20000000 [pid 5156] <... mmap resumed>) = 0x7f0f34407000 [pid 5156] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE [pid 5157] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5156] <... mprotect resumed>) = 0 [pid 5156] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[148], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 148 [pid 5156] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5156] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5157] <... futex resumed>) = 0 [pid 5157] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5158 attached [pid 5158] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5158] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5159 attached [pid 5159] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5156] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5156] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5156] close(3) = -1 EBADF (Bad file descriptor) [pid 5156] close(4) = -1 EBADF (Bad file descriptor) [pid 5156] close(5) = -1 EBADF (Bad file descriptor) [pid 5156] close(6) = -1 EBADF (Bad file descriptor) [pid 5156] close(7) = -1 EBADF (Bad file descriptor) [pid 5156] close(8) = -1 EBADF (Bad file descriptor) [pid 5156] close(9) = -1 EBADF (Bad file descriptor) [pid 5156] close(10) = -1 EBADF (Bad file descriptor) [pid 5156] close(11) = -1 EBADF (Bad file descriptor) [pid 5156] close(12) = -1 EBADF (Bad file descriptor) [pid 5156] close(13) = -1 EBADF (Bad file descriptor) [pid 5156] close(14) = -1 EBADF (Bad file descriptor) [pid 5156] close(15) = -1 EBADF (Bad file descriptor) [pid 5156] close(16) = -1 EBADF (Bad file descriptor) [pid 5156] close(17) = -1 EBADF (Bad file descriptor) [pid 5156] close(18) = -1 EBADF (Bad file descriptor) [pid 5156] close(19) = -1 EBADF (Bad file descriptor) [pid 5156] close(20) = -1 EBADF (Bad file descriptor) [pid 5156] close(21) = -1 EBADF (Bad file descriptor) [pid 5156] close(22) = -1 EBADF (Bad file descriptor) [pid 5156] close(23) = -1 EBADF (Bad file descriptor) [pid 5156] close(24) = -1 EBADF (Bad file descriptor) [pid 5156] close(25) = -1 EBADF (Bad file descriptor) [pid 5156] close(26) = -1 EBADF (Bad file descriptor) [pid 5156] close(27) = -1 EBADF (Bad file descriptor) [pid 5156] close(28) = -1 EBADF (Bad file descriptor) [pid 5156] close(29) = -1 EBADF (Bad file descriptor) [pid 5156] exit_group(0 [pid 5158] <... clone resumed>) = ? [pid 5157] <... futex resumed>) = ? [pid 5156] <... exit_group resumed>) = ? [pid 5158] +++ exited with 0 +++ [pid 5157] +++ exited with 0 +++ [pid 5156] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=146, si_uid=0, si_status=0, si_utime=13 /* 0.13 s */, si_stime=81 /* 0.81 s */} --- [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 150 ./strace-static-x86_64: Process 5160 attached [pid 5160] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5160] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5160] setpgid(0, 0) = 0 [pid 5160] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5160] write(3, "1000", 4) = 4 [pid 5160] close(3) = 0 [pid 5160] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5160] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5160] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5160] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[151], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 151 [pid 5160] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5160] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5161 attached [pid 5161] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5161] memfd_create("syzkaller", 0) = 3 [pid 5161] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5159] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=149, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=40 /* 0.40 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5161] 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"..., 67108864) = 67108864 [pid 5161] munmap(0x7f0f30428000, 67108864) = 0 [pid 5161] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5161] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5161] ioctl(4, LOOP_CLR_FD) = 0 [pid 5161] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5161] close(4) = 0 [pid 5161] close(3) = 0 [pid 5161] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5160] <... futex resumed>) = 0 [pid 5161] <... futex resumed>) = 1 [pid 5160] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5160] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5161] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5160] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5160] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5160] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5160] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5160] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f34407000 [pid 5161] <... mmap resumed>) = 0x20000000 [pid 5160] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE [pid 5161] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5160] <... mprotect resumed>) = 0 [pid 5161] <... futex resumed>) = 0 [pid 5161] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5160] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 5162 attached [pid 5162] set_robust_list(0x7f0f344279e0, 24 [pid 5160] <... clone resumed>, parent_tid=[152], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 152 [pid 5160] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5162] <... set_robust_list resumed>) = 0 [pid 5162] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO [pid 5160] <... futex resumed>) = 0 [pid 5160] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5163 attached [pid 5163] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5160] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5160] close(3) = -1 EBADF (Bad file descriptor) [pid 5160] close(4) = -1 EBADF (Bad file descriptor) [pid 5160] close(5) = -1 EBADF (Bad file descriptor) [pid 5160] close(6) = -1 EBADF (Bad file descriptor) [pid 5160] close(7) = -1 EBADF (Bad file descriptor) [pid 5160] close(8) = -1 EBADF (Bad file descriptor) [pid 5160] close(9) = -1 EBADF (Bad file descriptor) [pid 5160] close(10) = -1 EBADF (Bad file descriptor) [pid 5160] close(11) = -1 EBADF (Bad file descriptor) [pid 5160] close(12) = -1 EBADF (Bad file descriptor) [pid 5160] close(13) = -1 EBADF (Bad file descriptor) [pid 5160] close(14) = -1 EBADF (Bad file descriptor) [pid 5160] close(15) = -1 EBADF (Bad file descriptor) [pid 5160] close(16) = -1 EBADF (Bad file descriptor) [pid 5160] close(17) = -1 EBADF (Bad file descriptor) [pid 5160] close(18) = -1 EBADF (Bad file descriptor) [pid 5160] close(19) = -1 EBADF (Bad file descriptor) [pid 5160] close(20) = -1 EBADF (Bad file descriptor) [pid 5160] close(21) = -1 EBADF (Bad file descriptor) [pid 5160] close(22) = -1 EBADF (Bad file descriptor) [pid 5160] close(23) = -1 EBADF (Bad file descriptor) [pid 5160] close(24) = -1 EBADF (Bad file descriptor) [pid 5160] close(25) = -1 EBADF (Bad file descriptor) [pid 5160] close(26) = -1 EBADF (Bad file descriptor) [pid 5160] close(27) = -1 EBADF (Bad file descriptor) [pid 5160] close(28) = -1 EBADF (Bad file descriptor) [pid 5160] close(29) = -1 EBADF (Bad file descriptor) [pid 5160] exit_group(0) = ? [pid 5161] <... futex resumed>) = ? [pid 5162] <... clone resumed>) = ? [pid 5161] +++ exited with 0 +++ [pid 5162] +++ exited with 0 +++ [pid 5160] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=150, si_uid=0, si_status=0, si_utime=14 /* 0.14 s */, si_stime=84 /* 0.84 s */} --- [pid 5000] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 154 ./strace-static-x86_64: Process 5164 attached [pid 5164] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5164] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5164] setpgid(0, 0) = 0 [pid 5164] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5164] write(3, "1000", 4) = 4 [pid 5164] close(3) = 0 [pid 5164] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5164] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5164] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5164] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[155], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 155 [pid 5164] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5164] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5165 attached [pid 5165] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5165] memfd_create("syzkaller", 0) = 3 [pid 5165] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5165] 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"..., 67108864 [pid 5163] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=153, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=39 /* 0.39 s */} --- [pid 5165] <... write resumed>) = 67108864 [pid 5165] munmap(0x7f0f30428000, 67108864) = 0 [pid 5165] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5165] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5165] ioctl(4, LOOP_CLR_FD) = 0 [pid 5165] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5165] close(4) = 0 [pid 5165] close(3) = 0 [pid 5165] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5164] <... futex resumed>) = 0 [pid 5165] <... futex resumed>) = 1 [pid 5164] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5165] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5164] <... futex resumed>) = 0 [pid 5164] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5164] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5164] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f34407000 [pid 5165] <... mmap resumed>) = 0x20000000 [pid 5165] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5164] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5165] <... futex resumed>) = 0 [pid 5165] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5164] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[156], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 156 [pid 5164] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5164] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5166 attached [pid 5166] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5166] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5167 attached [pid 5167] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5164] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5164] close(3) = -1 EBADF (Bad file descriptor) [pid 5164] close(4) = -1 EBADF (Bad file descriptor) [pid 5164] close(5) = -1 EBADF (Bad file descriptor) [pid 5164] close(6) = -1 EBADF (Bad file descriptor) [pid 5164] close(7) = -1 EBADF (Bad file descriptor) [pid 5164] close(8) = -1 EBADF (Bad file descriptor) [pid 5164] close(9) = -1 EBADF (Bad file descriptor) [pid 5164] close(10) = -1 EBADF (Bad file descriptor) [pid 5164] close(11) = -1 EBADF (Bad file descriptor) [pid 5164] close(12) = -1 EBADF (Bad file descriptor) [pid 5164] close(13) = -1 EBADF (Bad file descriptor) [pid 5164] close(14) = -1 EBADF (Bad file descriptor) [pid 5164] close(15) = -1 EBADF (Bad file descriptor) [pid 5164] close(16) = -1 EBADF (Bad file descriptor) [pid 5164] close(17) = -1 EBADF (Bad file descriptor) [pid 5164] close(18) = -1 EBADF (Bad file descriptor) [pid 5164] close(19) = -1 EBADF (Bad file descriptor) [pid 5164] close(20) = -1 EBADF (Bad file descriptor) [pid 5164] close(21) = -1 EBADF (Bad file descriptor) [pid 5164] close(22) = -1 EBADF (Bad file descriptor) [pid 5164] close(23) = -1 EBADF (Bad file descriptor) [pid 5164] close(24) = -1 EBADF (Bad file descriptor) [pid 5164] close(25) = -1 EBADF (Bad file descriptor) [pid 5164] close(26) = -1 EBADF (Bad file descriptor) [pid 5164] close(27) = -1 EBADF (Bad file descriptor) [pid 5164] close(28) = -1 EBADF (Bad file descriptor) [pid 5164] close(29) = -1 EBADF (Bad file descriptor) [pid 5164] exit_group(0 [pid 5166] <... clone resumed>) = ? [pid 5165] <... futex resumed>) = ? [pid 5164] <... exit_group resumed>) = ? [pid 5166] +++ exited with 0 +++ [pid 5165] +++ exited with 0 +++ [pid 5164] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=154, si_uid=0, si_status=0, si_utime=12 /* 0.12 s */, si_stime=86 /* 0.86 s */} --- [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 158 ./strace-static-x86_64: Process 5168 attached [pid 5168] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5168] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5168] setpgid(0, 0) = 0 [pid 5168] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5168] write(3, "1000", 4) = 4 [pid 5168] close(3) = 0 [pid 5168] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5168] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5168] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5168] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[159], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 159 [pid 5168] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5168] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5169 attached [pid 5169] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5169] memfd_create("syzkaller", 0) = 3 [pid 5169] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5169] 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"..., 67108864 [pid 5167] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=157, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=39 /* 0.39 s */} --- [pid 5169] <... write resumed>) = 67108864 [pid 5169] munmap(0x7f0f30428000, 67108864) = 0 [pid 5169] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5169] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5169] ioctl(4, LOOP_CLR_FD) = 0 [pid 5169] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5169] close(4) = 0 [pid 5169] close(3) = 0 [pid 5169] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5168] <... futex resumed>) = 0 [pid 5168] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5169] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5168] <... futex resumed>) = 0 [pid 5168] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5168] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5168] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f34407000 [pid 5169] <... mmap resumed>) = 0x20000000 [pid 5168] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE [pid 5169] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5168] <... mprotect resumed>) = 0 [pid 5169] <... futex resumed>) = 0 [pid 5169] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5168] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[160], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 160 [pid 5168] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5168] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5170 attached [pid 5170] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5170] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5171 attached [pid 5171] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5168] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5168] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5168] close(3) = -1 EBADF (Bad file descriptor) [pid 5168] close(4) = -1 EBADF (Bad file descriptor) [pid 5168] close(5) = -1 EBADF (Bad file descriptor) [pid 5168] close(6) = -1 EBADF (Bad file descriptor) [pid 5168] close(7) = -1 EBADF (Bad file descriptor) [pid 5168] close(8) = -1 EBADF (Bad file descriptor) [pid 5168] close(9) = -1 EBADF (Bad file descriptor) [pid 5168] close(10) = -1 EBADF (Bad file descriptor) [pid 5168] close(11) = -1 EBADF (Bad file descriptor) [pid 5168] close(12) = -1 EBADF (Bad file descriptor) [pid 5168] close(13) = -1 EBADF (Bad file descriptor) [pid 5168] close(14) = -1 EBADF (Bad file descriptor) [pid 5168] close(15) = -1 EBADF (Bad file descriptor) [pid 5168] close(16) = -1 EBADF (Bad file descriptor) [pid 5168] close(17) = -1 EBADF (Bad file descriptor) [pid 5168] close(18) = -1 EBADF (Bad file descriptor) [pid 5168] close(19) = -1 EBADF (Bad file descriptor) [pid 5168] close(20) = -1 EBADF (Bad file descriptor) [pid 5168] close(21) = -1 EBADF (Bad file descriptor) [pid 5168] close(22) = -1 EBADF (Bad file descriptor) [pid 5168] close(23) = -1 EBADF (Bad file descriptor) [pid 5168] close(24) = -1 EBADF (Bad file descriptor) [pid 5168] close(25) = -1 EBADF (Bad file descriptor) [pid 5168] close(26) = -1 EBADF (Bad file descriptor) [pid 5168] close(27) = -1 EBADF (Bad file descriptor) [pid 5168] close(28) = -1 EBADF (Bad file descriptor) [pid 5168] close(29) = -1 EBADF (Bad file descriptor) [pid 5168] exit_group(0 [pid 5169] <... futex resumed>) = ? [pid 5168] <... exit_group resumed>) = ? [pid 5170] <... clone resumed>) = ? [pid 5169] +++ exited with 0 +++ [pid 5170] +++ exited with 0 +++ [pid 5168] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=158, si_uid=0, si_status=0, si_utime=16 /* 0.16 s */, si_stime=75 /* 0.75 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 162 ./strace-static-x86_64: Process 5172 attached [pid 5172] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5172] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5172] setpgid(0, 0) = 0 [pid 5172] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5172] write(3, "1000", 4) = 4 [pid 5172] close(3) = 0 [pid 5172] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5172] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5172] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5172] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[163], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 163 [pid 5172] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5172] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5173 attached [pid 5173] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5173] memfd_create("syzkaller", 0) = 3 [pid 5173] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5173] 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"..., 67108864 [pid 5171] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=161, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=41 /* 0.41 s */} --- [pid 5173] <... write resumed>) = 67108864 [pid 5173] munmap(0x7f0f30428000, 67108864) = 0 [pid 5173] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5173] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5173] ioctl(4, LOOP_CLR_FD) = 0 [pid 5173] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5173] close(4) = 0 [pid 5173] close(3) = 0 [pid 5173] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5172] <... futex resumed>) = 0 [pid 5172] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5172] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5173] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5172] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5172] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5172] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5172] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5173] <... mmap resumed>) = 0x20000000 [pid 5172] <... mmap resumed>) = 0x7f0f34407000 [pid 5172] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5173] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5172] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[164], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 164 [pid 5173] <... futex resumed>) = 0 [pid 5172] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5172] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5173] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5174 attached [pid 5174] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5174] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5175 attached [pid 5175] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5172] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5172] close(3) = -1 EBADF (Bad file descriptor) [pid 5172] close(4) = -1 EBADF (Bad file descriptor) [pid 5172] close(5) = -1 EBADF (Bad file descriptor) [pid 5172] close(6) = -1 EBADF (Bad file descriptor) [pid 5172] close(7) = -1 EBADF (Bad file descriptor) [pid 5172] close(8) = -1 EBADF (Bad file descriptor) [pid 5172] close(9) = -1 EBADF (Bad file descriptor) [pid 5172] close(10) = -1 EBADF (Bad file descriptor) [pid 5172] close(11) = -1 EBADF (Bad file descriptor) [pid 5172] close(12) = -1 EBADF (Bad file descriptor) [pid 5172] close(13) = -1 EBADF (Bad file descriptor) [pid 5172] close(14) = -1 EBADF (Bad file descriptor) [pid 5172] close(15) = -1 EBADF (Bad file descriptor) [pid 5172] close(16) = -1 EBADF (Bad file descriptor) [pid 5172] close(17) = -1 EBADF (Bad file descriptor) [pid 5172] close(18) = -1 EBADF (Bad file descriptor) [pid 5172] close(19) = -1 EBADF (Bad file descriptor) [pid 5172] close(20) = -1 EBADF (Bad file descriptor) [pid 5172] close(21) = -1 EBADF (Bad file descriptor) [pid 5172] close(22) = -1 EBADF (Bad file descriptor) [pid 5172] close(23) = -1 EBADF (Bad file descriptor) [pid 5172] close(24) = -1 EBADF (Bad file descriptor) [pid 5172] close(25) = -1 EBADF (Bad file descriptor) [pid 5172] close(26) = -1 EBADF (Bad file descriptor) [pid 5172] close(27) = -1 EBADF (Bad file descriptor) [pid 5172] close(28) = -1 EBADF (Bad file descriptor) [pid 5172] close(29) = -1 EBADF (Bad file descriptor) [pid 5172] exit_group(0 [pid 5174] <... clone resumed>) = ? [pid 5173] <... futex resumed>) = ? [pid 5172] <... exit_group resumed>) = ? [pid 5174] +++ exited with 0 +++ [pid 5173] +++ exited with 0 +++ [pid 5172] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=162, si_uid=0, si_status=0, si_utime=13 /* 0.13 s */, si_stime=76 /* 0.76 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 166 ./strace-static-x86_64: Process 5176 attached [pid 5176] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5176] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5176] setpgid(0, 0) = 0 [pid 5176] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5176] write(3, "1000", 4) = 4 [pid 5176] close(3) = 0 [pid 5176] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5176] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5176] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5176] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[167], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 167 [pid 5176] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5176] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5177 attached [pid 5177] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5177] memfd_create("syzkaller", 0) = 3 [pid 5177] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5175] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=165, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=42 /* 0.42 s */} --- [pid 5177] 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"..., 67108864) = 67108864 [pid 5177] munmap(0x7f0f30428000, 67108864) = 0 [pid 5177] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5177] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5177] ioctl(4, LOOP_CLR_FD) = 0 [pid 5177] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5177] close(4) = 0 [pid 5177] close(3) = 0 [pid 5177] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5176] <... futex resumed>) = 0 [pid 5176] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5176] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5177] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5176] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5176] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5176] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5177] <... mmap resumed>) = 0x20000000 [pid 5176] <... mmap resumed>) = 0x7f0f34407000 [pid 5176] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE [pid 5177] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5176] <... mprotect resumed>) = 0 [pid 5176] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5177] <... futex resumed>) = 0 [pid 5176] <... clone resumed>, parent_tid=[168], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 168 [pid 5177] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5176] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5176] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5178 attached [pid 5178] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5178] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5179 attached [pid 5179] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5176] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5176] close(3) = -1 EBADF (Bad file descriptor) [pid 5176] close(4) = -1 EBADF (Bad file descriptor) [pid 5176] close(5) = -1 EBADF (Bad file descriptor) [pid 5176] close(6) = -1 EBADF (Bad file descriptor) [pid 5176] close(7) = -1 EBADF (Bad file descriptor) [pid 5176] close(8) = -1 EBADF (Bad file descriptor) [pid 5176] close(9) = -1 EBADF (Bad file descriptor) [pid 5176] close(10) = -1 EBADF (Bad file descriptor) [pid 5176] close(11) = -1 EBADF (Bad file descriptor) [pid 5176] close(12) = -1 EBADF (Bad file descriptor) [pid 5176] close(13) = -1 EBADF (Bad file descriptor) [pid 5176] close(14) = -1 EBADF (Bad file descriptor) [pid 5176] close(15) = -1 EBADF (Bad file descriptor) [pid 5176] close(16) = -1 EBADF (Bad file descriptor) [pid 5176] close(17) = -1 EBADF (Bad file descriptor) [pid 5176] close(18) = -1 EBADF (Bad file descriptor) [pid 5176] close(19) = -1 EBADF (Bad file descriptor) [pid 5176] close(20) = -1 EBADF (Bad file descriptor) [pid 5176] close(21) = -1 EBADF (Bad file descriptor) [pid 5176] close(22) = -1 EBADF (Bad file descriptor) [pid 5176] close(23) = -1 EBADF (Bad file descriptor) [pid 5176] close(24) = -1 EBADF (Bad file descriptor) [pid 5176] close(25) = -1 EBADF (Bad file descriptor) [pid 5176] close(26) = -1 EBADF (Bad file descriptor) [pid 5176] close(27) = -1 EBADF (Bad file descriptor) [pid 5176] close(28) = -1 EBADF (Bad file descriptor) [pid 5176] close(29) = -1 EBADF (Bad file descriptor) [pid 5176] exit_group(0 [pid 5178] <... clone resumed>) = ? [pid 5177] <... futex resumed>) = ? [pid 5176] <... exit_group resumed>) = ? [pid 5178] +++ exited with 0 +++ [pid 5177] +++ exited with 0 +++ [pid 5176] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=166, si_uid=0, si_status=0, si_utime=17 /* 0.17 s */, si_stime=82 /* 0.82 s */} --- [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 170 ./strace-static-x86_64: Process 5180 attached [pid 5180] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5180] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5180] setpgid(0, 0) = 0 [pid 5180] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5180] write(3, "1000", 4) = 4 [pid 5180] close(3) = 0 [pid 5180] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5180] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5180] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5180] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[171], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 171 [pid 5180] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5180] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5181 attached [pid 5181] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5181] memfd_create("syzkaller", 0) = 3 [pid 5181] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5179] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=169, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=36 /* 0.36 s */} --- [pid 5181] 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"..., 67108864) = 67108864 [pid 5181] munmap(0x7f0f30428000, 67108864) = 0 [pid 5181] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5181] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5181] ioctl(4, LOOP_CLR_FD) = 0 [pid 5181] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5181] close(4) = 0 [pid 5181] close(3) = 0 [pid 5181] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5180] <... futex resumed>) = 0 [pid 5180] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5180] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5181] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5180] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5180] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5180] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5180] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5181] <... mmap resumed>) = 0x20000000 [pid 5180] <... mmap resumed>) = 0x7f0f34407000 [pid 5180] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5181] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5180] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 5182 attached [pid 5181] <... futex resumed>) = 0 [pid 5180] <... clone resumed>, parent_tid=[172], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 172 [pid 5180] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5180] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5182] set_robust_list(0x7f0f344279e0, 24 [pid 5181] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5182] <... set_robust_list resumed>) = 0 [pid 5182] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5183 attached [pid 5183] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5180] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5180] close(3) = -1 EBADF (Bad file descriptor) [pid 5180] close(4) = -1 EBADF (Bad file descriptor) [pid 5180] close(5) = -1 EBADF (Bad file descriptor) [pid 5180] close(6) = -1 EBADF (Bad file descriptor) [pid 5180] close(7) = -1 EBADF (Bad file descriptor) [pid 5180] close(8) = -1 EBADF (Bad file descriptor) [pid 5180] close(9) = -1 EBADF (Bad file descriptor) [pid 5180] close(10) = -1 EBADF (Bad file descriptor) [pid 5180] close(11) = -1 EBADF (Bad file descriptor) [pid 5180] close(12) = -1 EBADF (Bad file descriptor) [pid 5180] close(13) = -1 EBADF (Bad file descriptor) [pid 5180] close(14) = -1 EBADF (Bad file descriptor) [pid 5180] close(15) = -1 EBADF (Bad file descriptor) [pid 5180] close(16) = -1 EBADF (Bad file descriptor) [pid 5180] close(17) = -1 EBADF (Bad file descriptor) [pid 5180] close(18) = -1 EBADF (Bad file descriptor) [pid 5180] close(19) = -1 EBADF (Bad file descriptor) [pid 5180] close(20) = -1 EBADF (Bad file descriptor) [pid 5180] close(21) = -1 EBADF (Bad file descriptor) [pid 5180] close(22) = -1 EBADF (Bad file descriptor) [pid 5180] close(23) = -1 EBADF (Bad file descriptor) [pid 5180] close(24) = -1 EBADF (Bad file descriptor) [pid 5180] close(25) = -1 EBADF (Bad file descriptor) [pid 5180] close(26) = -1 EBADF (Bad file descriptor) [pid 5180] close(27) = -1 EBADF (Bad file descriptor) [pid 5180] close(28) = -1 EBADF (Bad file descriptor) [pid 5180] close(29) = -1 EBADF (Bad file descriptor) [pid 5180] exit_group(0 [pid 5181] <... futex resumed>) = ? [pid 5180] <... exit_group resumed>) = ? [pid 5182] <... clone resumed>) = ? [pid 5181] +++ exited with 0 +++ [pid 5182] +++ exited with 0 +++ [pid 5180] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=170, si_uid=0, si_status=0, si_utime=18 /* 0.18 s */, si_stime=75 /* 0.75 s */} --- [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 174 ./strace-static-x86_64: Process 5184 attached [pid 5184] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5184] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5184] setpgid(0, 0) = 0 [pid 5184] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5184] write(3, "1000", 4) = 4 [pid 5184] close(3) = 0 [pid 5184] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5184] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5184] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5184] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[175], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 175 [pid 5184] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5184] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5185 attached [pid 5185] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5185] memfd_create("syzkaller", 0) = 3 [pid 5185] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5185] 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"..., 67108864 [pid 5183] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=173, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=43 /* 0.43 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5185] <... write resumed>) = 67108864 [pid 5185] munmap(0x7f0f30428000, 67108864) = 0 [pid 5185] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5185] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5185] ioctl(4, LOOP_CLR_FD) = 0 [pid 5185] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5185] close(4) = 0 [pid 5185] close(3) = 0 [pid 5185] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5184] <... futex resumed>) = 0 [pid 5184] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5184] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5185] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5184] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5184] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5184] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5184] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5185] <... mmap resumed>) = 0x20000000 [pid 5184] <... mmap resumed>) = 0x7f0f34407000 [pid 5184] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE [pid 5185] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5184] <... mprotect resumed>) = 0 [pid 5184] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5185] <... futex resumed>) = 0 [pid 5185] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5184] <... clone resumed>, parent_tid=[176], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 176 [pid 5184] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5184] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5186 attached [pid 5186] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5186] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5187 attached [pid 5187] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5184] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5184] close(3) = -1 EBADF (Bad file descriptor) [pid 5184] close(4) = -1 EBADF (Bad file descriptor) [pid 5184] close(5) = -1 EBADF (Bad file descriptor) [pid 5184] close(6) = -1 EBADF (Bad file descriptor) [pid 5184] close(7) = -1 EBADF (Bad file descriptor) [pid 5184] close(8) = -1 EBADF (Bad file descriptor) [pid 5184] close(9) = -1 EBADF (Bad file descriptor) [pid 5184] close(10) = -1 EBADF (Bad file descriptor) [pid 5184] close(11) = -1 EBADF (Bad file descriptor) [pid 5184] close(12) = -1 EBADF (Bad file descriptor) [pid 5184] close(13) = -1 EBADF (Bad file descriptor) [pid 5184] close(14) = -1 EBADF (Bad file descriptor) [pid 5184] close(15) = -1 EBADF (Bad file descriptor) [pid 5184] close(16) = -1 EBADF (Bad file descriptor) [pid 5184] close(17) = -1 EBADF (Bad file descriptor) [pid 5184] close(18) = -1 EBADF (Bad file descriptor) [pid 5184] close(19) = -1 EBADF (Bad file descriptor) [pid 5184] close(20) = -1 EBADF (Bad file descriptor) [pid 5184] close(21) = -1 EBADF (Bad file descriptor) [pid 5184] close(22) = -1 EBADF (Bad file descriptor) [pid 5184] close(23) = -1 EBADF (Bad file descriptor) [pid 5184] close(24) = -1 EBADF (Bad file descriptor) [pid 5184] close(25) = -1 EBADF (Bad file descriptor) [pid 5184] close(26) = -1 EBADF (Bad file descriptor) [pid 5184] close(27) = -1 EBADF (Bad file descriptor) [pid 5184] close(28) = -1 EBADF (Bad file descriptor) [pid 5184] close(29) = -1 EBADF (Bad file descriptor) [pid 5184] exit_group(0 [pid 5186] <... clone resumed>) = ? [pid 5185] <... futex resumed>) = ? [pid 5184] <... exit_group resumed>) = ? [pid 5186] +++ exited with 0 +++ [pid 5185] +++ exited with 0 +++ [pid 5184] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=174, si_uid=0, si_status=0, si_utime=12 /* 0.12 s */, si_stime=76 /* 0.76 s */} --- [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 178 ./strace-static-x86_64: Process 5188 attached [pid 5188] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5188] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5188] setpgid(0, 0) = 0 [pid 5188] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5188] write(3, "1000", 4) = 4 [pid 5188] close(3) = 0 [pid 5188] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5188] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5188] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5188] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[179], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 179 [pid 5188] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5188] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5189 attached [pid 5189] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5189] memfd_create("syzkaller", 0) = 3 [pid 5189] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5187] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=177, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=42 /* 0.42 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5189] 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"..., 67108864) = 67108864 [pid 5189] munmap(0x7f0f30428000, 67108864) = 0 [pid 5189] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5189] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5189] ioctl(4, LOOP_CLR_FD) = 0 [pid 5189] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5189] close(4) = 0 [pid 5189] close(3) = 0 [pid 5189] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5188] <... futex resumed>) = 0 [pid 5188] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5188] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5189] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5188] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5188] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5188] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5188] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5189] <... mmap resumed>) = 0x20000000 [pid 5188] <... mmap resumed>) = 0x7f0f34407000 [pid 5188] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5188] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5189] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5188] <... clone resumed>, parent_tid=[180], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 180 [pid 5188] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5188] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5189] <... futex resumed>) = 0 [pid 5189] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5190 attached [pid 5190] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5190] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5191 attached [pid 5191] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5188] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5188] close(3) = -1 EBADF (Bad file descriptor) [pid 5188] close(4) = -1 EBADF (Bad file descriptor) [pid 5188] close(5) = -1 EBADF (Bad file descriptor) [pid 5188] close(6) = -1 EBADF (Bad file descriptor) [pid 5188] close(7) = -1 EBADF (Bad file descriptor) [pid 5188] close(8) = -1 EBADF (Bad file descriptor) [pid 5188] close(9) = -1 EBADF (Bad file descriptor) [pid 5188] close(10) = -1 EBADF (Bad file descriptor) [pid 5188] close(11) = -1 EBADF (Bad file descriptor) [pid 5188] close(12) = -1 EBADF (Bad file descriptor) [pid 5188] close(13) = -1 EBADF (Bad file descriptor) [pid 5188] close(14) = -1 EBADF (Bad file descriptor) [pid 5188] close(15) = -1 EBADF (Bad file descriptor) [pid 5188] close(16) = -1 EBADF (Bad file descriptor) [pid 5188] close(17) = -1 EBADF (Bad file descriptor) [pid 5188] close(18) = -1 EBADF (Bad file descriptor) [pid 5188] close(19) = -1 EBADF (Bad file descriptor) [pid 5188] close(20) = -1 EBADF (Bad file descriptor) [pid 5188] close(21) = -1 EBADF (Bad file descriptor) [pid 5188] close(22) = -1 EBADF (Bad file descriptor) [pid 5188] close(23) = -1 EBADF (Bad file descriptor) [pid 5188] close(24) = -1 EBADF (Bad file descriptor) [pid 5188] close(25) = -1 EBADF (Bad file descriptor) [pid 5188] close(26) = -1 EBADF (Bad file descriptor) [pid 5188] close(27) = -1 EBADF (Bad file descriptor) [pid 5188] close(28) = -1 EBADF (Bad file descriptor) [pid 5188] close(29) = -1 EBADF (Bad file descriptor) [pid 5188] exit_group(0 [pid 5189] <... futex resumed>) = ? [pid 5190] <... clone resumed>) = ? [pid 5188] <... exit_group resumed>) = ? [pid 5189] +++ exited with 0 +++ [pid 5190] +++ exited with 0 +++ [pid 5188] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=178, si_uid=0, si_status=0, si_utime=15 /* 0.15 s */, si_stime=75 /* 0.75 s */} --- [pid 5000] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 182 ./strace-static-x86_64: Process 5192 attached [pid 5192] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5192] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5192] setpgid(0, 0) = 0 [pid 5192] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5192] write(3, "1000", 4) = 4 [pid 5192] close(3) = 0 [pid 5192] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5192] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5192] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5192] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[183], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 183 [pid 5192] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5192] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5193 attached [pid 5193] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5193] memfd_create("syzkaller", 0) = 3 [pid 5193] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5191] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=181, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=38 /* 0.38 s */} --- [pid 5193] 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"..., 67108864) = 67108864 [pid 5193] munmap(0x7f0f30428000, 67108864) = 0 [pid 5193] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5193] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5193] ioctl(4, LOOP_CLR_FD) = 0 [pid 5193] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5193] close(4) = 0 [pid 5193] close(3) = 0 [pid 5193] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5192] <... futex resumed>) = 0 [pid 5192] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5192] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5193] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5192] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5192] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5192] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5193] <... mmap resumed>) = 0x20000000 [pid 5192] <... mmap resumed>) = 0x7f0f34407000 [pid 5192] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5192] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5193] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5192] <... clone resumed>, parent_tid=[184], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 184 [pid 5192] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5192] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5193] <... futex resumed>) = 0 [pid 5193] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5194 attached [pid 5194] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5194] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5195 attached [pid 5195] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5192] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5192] close(3) = -1 EBADF (Bad file descriptor) [pid 5192] close(4) = -1 EBADF (Bad file descriptor) [pid 5192] close(5) = -1 EBADF (Bad file descriptor) [pid 5192] close(6) = -1 EBADF (Bad file descriptor) [pid 5192] close(7) = -1 EBADF (Bad file descriptor) [pid 5192] close(8) = -1 EBADF (Bad file descriptor) [pid 5192] close(9) = -1 EBADF (Bad file descriptor) [pid 5192] close(10) = -1 EBADF (Bad file descriptor) [pid 5192] close(11) = -1 EBADF (Bad file descriptor) [pid 5192] close(12) = -1 EBADF (Bad file descriptor) [pid 5192] close(13) = -1 EBADF (Bad file descriptor) [pid 5192] close(14) = -1 EBADF (Bad file descriptor) [pid 5192] close(15) = -1 EBADF (Bad file descriptor) [pid 5192] close(16) = -1 EBADF (Bad file descriptor) [pid 5192] close(17) = -1 EBADF (Bad file descriptor) [pid 5192] close(18) = -1 EBADF (Bad file descriptor) [pid 5192] close(19) = -1 EBADF (Bad file descriptor) [pid 5192] close(20) = -1 EBADF (Bad file descriptor) [pid 5192] close(21) = -1 EBADF (Bad file descriptor) [pid 5192] close(22) = -1 EBADF (Bad file descriptor) [pid 5192] close(23) = -1 EBADF (Bad file descriptor) [pid 5192] close(24) = -1 EBADF (Bad file descriptor) [pid 5192] close(25) = -1 EBADF (Bad file descriptor) [pid 5192] close(26) = -1 EBADF (Bad file descriptor) [pid 5192] close(27) = -1 EBADF (Bad file descriptor) [pid 5192] close(28) = -1 EBADF (Bad file descriptor) [pid 5192] close(29) = -1 EBADF (Bad file descriptor) [pid 5192] exit_group(0 [pid 5194] <... clone resumed>) = ? [pid 5193] <... futex resumed>) = ? [pid 5192] <... exit_group resumed>) = ? [pid 5194] +++ exited with 0 +++ [pid 5193] +++ exited with 0 +++ [pid 5192] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=182, si_uid=0, si_status=0, si_utime=15 /* 0.15 s */, si_stime=79 /* 0.79 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 186 ./strace-static-x86_64: Process 5196 attached [pid 5196] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5196] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5196] setpgid(0, 0) = 0 [pid 5196] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5196] write(3, "1000", 4) = 4 [pid 5196] close(3) = 0 [pid 5196] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5196] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5196] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5196] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[187], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 187 [pid 5196] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5196] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5197 attached [pid 5197] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5197] memfd_create("syzkaller", 0) = 3 [pid 5197] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5195] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=185, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=41 /* 0.41 s */} --- [pid 5197] 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"..., 67108864) = 67108864 [pid 5197] munmap(0x7f0f30428000, 67108864) = 0 [pid 5197] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5197] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5197] ioctl(4, LOOP_CLR_FD) = 0 [pid 5197] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5197] close(4) = 0 [pid 5197] close(3) = 0 [pid 5197] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5196] <... futex resumed>) = 0 [pid 5196] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5196] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5197] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5196] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5196] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5196] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5197] <... mmap resumed>) = 0x20000000 [pid 5196] <... mmap resumed>) = 0x7f0f34407000 [pid 5196] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5196] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[188], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 188 [pid 5196] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5196] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5197] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5197] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5198 attached [pid 5198] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5198] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5199 attached [pid 5199] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5196] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5196] close(3) = -1 EBADF (Bad file descriptor) [pid 5196] close(4) = -1 EBADF (Bad file descriptor) [pid 5196] close(5) = -1 EBADF (Bad file descriptor) [pid 5196] close(6) = -1 EBADF (Bad file descriptor) [pid 5196] close(7) = -1 EBADF (Bad file descriptor) [pid 5196] close(8) = -1 EBADF (Bad file descriptor) [pid 5196] close(9) = -1 EBADF (Bad file descriptor) [pid 5196] close(10) = -1 EBADF (Bad file descriptor) [pid 5196] close(11) = -1 EBADF (Bad file descriptor) [pid 5196] close(12) = -1 EBADF (Bad file descriptor) [pid 5196] close(13) = -1 EBADF (Bad file descriptor) [pid 5196] close(14) = -1 EBADF (Bad file descriptor) [pid 5196] close(15) = -1 EBADF (Bad file descriptor) [pid 5196] close(16) = -1 EBADF (Bad file descriptor) [pid 5196] close(17) = -1 EBADF (Bad file descriptor) [pid 5196] close(18) = -1 EBADF (Bad file descriptor) [pid 5196] close(19) = -1 EBADF (Bad file descriptor) [pid 5196] close(20) = -1 EBADF (Bad file descriptor) [pid 5196] close(21) = -1 EBADF (Bad file descriptor) [pid 5196] close(22) = -1 EBADF (Bad file descriptor) [pid 5196] close(23) = -1 EBADF (Bad file descriptor) [pid 5196] close(24) = -1 EBADF (Bad file descriptor) [pid 5196] close(25) = -1 EBADF (Bad file descriptor) [pid 5196] close(26) = -1 EBADF (Bad file descriptor) [pid 5196] close(27) = -1 EBADF (Bad file descriptor) [pid 5196] close(28) = -1 EBADF (Bad file descriptor) [pid 5196] close(29) = -1 EBADF (Bad file descriptor) [pid 5196] exit_group(0 [pid 5198] <... clone resumed>) = ? [pid 5197] <... futex resumed>) = ? [pid 5196] <... exit_group resumed>) = ? [pid 5198] +++ exited with 0 +++ [pid 5197] +++ exited with 0 +++ [pid 5196] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=186, si_uid=0, si_status=0, si_utime=17 /* 0.17 s */, si_stime=79 /* 0.79 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 190 ./strace-static-x86_64: Process 5200 attached [pid 5200] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5200] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5200] setpgid(0, 0) = 0 [pid 5200] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5200] write(3, "1000", 4) = 4 [pid 5200] close(3) = 0 [pid 5200] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5200] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5200] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5200] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[191], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 191 [pid 5200] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5200] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5201 attached [pid 5201] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5201] memfd_create("syzkaller", 0) = 3 [pid 5201] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5199] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=189, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=43 /* 0.43 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5201] 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"..., 67108864) = 67108864 [pid 5201] munmap(0x7f0f30428000, 67108864) = 0 [pid 5201] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5201] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5201] ioctl(4, LOOP_CLR_FD) = 0 [pid 5201] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5201] close(4) = 0 [pid 5201] close(3) = 0 [pid 5201] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5200] <... futex resumed>) = 0 [pid 5200] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5200] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5201] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5200] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5200] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5200] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5201] <... mmap resumed>) = 0x20000000 [pid 5200] <... mmap resumed>) = 0x7f0f34407000 [pid 5200] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5200] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[192], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 192 [pid 5200] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5200] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5201] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5201] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5202 attached [pid 5202] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5202] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5203 attached [pid 5203] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5200] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5200] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5200] close(3) = -1 EBADF (Bad file descriptor) [pid 5200] close(4) = -1 EBADF (Bad file descriptor) [pid 5200] close(5) = -1 EBADF (Bad file descriptor) [pid 5200] close(6) = -1 EBADF (Bad file descriptor) [pid 5200] close(7) = -1 EBADF (Bad file descriptor) [pid 5200] close(8) = -1 EBADF (Bad file descriptor) [pid 5200] close(9) = -1 EBADF (Bad file descriptor) [pid 5200] close(10) = -1 EBADF (Bad file descriptor) [pid 5200] close(11) = -1 EBADF (Bad file descriptor) [pid 5200] close(12) = -1 EBADF (Bad file descriptor) [pid 5200] close(13) = -1 EBADF (Bad file descriptor) [pid 5200] close(14) = -1 EBADF (Bad file descriptor) [pid 5200] close(15) = -1 EBADF (Bad file descriptor) [pid 5200] close(16) = -1 EBADF (Bad file descriptor) [pid 5200] close(17) = -1 EBADF (Bad file descriptor) [pid 5200] close(18) = -1 EBADF (Bad file descriptor) [pid 5200] close(19) = -1 EBADF (Bad file descriptor) [pid 5200] close(20) = -1 EBADF (Bad file descriptor) [pid 5200] close(21) = -1 EBADF (Bad file descriptor) [pid 5200] close(22) = -1 EBADF (Bad file descriptor) [pid 5200] close(23) = -1 EBADF (Bad file descriptor) [pid 5200] close(24) = -1 EBADF (Bad file descriptor) [pid 5200] close(25) = -1 EBADF (Bad file descriptor) [pid 5200] close(26) = -1 EBADF (Bad file descriptor) [pid 5200] close(27) = -1 EBADF (Bad file descriptor) [pid 5200] close(28) = -1 EBADF (Bad file descriptor) [pid 5200] close(29) = -1 EBADF (Bad file descriptor) [pid 5200] exit_group(0 [pid 5202] <... clone resumed>) = ? [pid 5201] <... futex resumed>) = ? [pid 5200] <... exit_group resumed>) = ? [pid 5202] +++ exited with 0 +++ [pid 5201] +++ exited with 0 +++ [pid 5200] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=190, si_uid=0, si_status=0, si_utime=19 /* 0.19 s */, si_stime=78 /* 0.78 s */} --- [pid 5000] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 194 ./strace-static-x86_64: Process 5204 attached [pid 5204] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5204] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5204] setpgid(0, 0) = 0 [pid 5204] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5204] write(3, "1000", 4) = 4 [pid 5204] close(3) = 0 [pid 5204] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5204] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5204] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5204] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[195], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 195 [pid 5204] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5204] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5205 attached [pid 5205] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5205] memfd_create("syzkaller", 0) = 3 [pid 5205] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5205] 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"..., 67108864 [pid 5203] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=193, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=40 /* 0.40 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5205] <... write resumed>) = 67108864 [pid 5205] munmap(0x7f0f30428000, 67108864) = 0 [pid 5205] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5205] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5205] ioctl(4, LOOP_CLR_FD) = 0 [pid 5205] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5205] close(4) = 0 [pid 5205] close(3) = 0 [pid 5205] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5204] <... futex resumed>) = 0 [pid 5204] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5204] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5205] <... futex resumed>) = 1 [pid 5205] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5204] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5204] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5204] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5204] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5204] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f34407000 [pid 5204] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5204] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[196], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 196 [pid 5204] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5204] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5205] <... mmap resumed>) = 0x20000000 [pid 5205] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5205] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5206 attached [pid 5206] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5206] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5207 attached [pid 5207] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5204] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5204] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5204] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5204] close(3) = -1 EBADF (Bad file descriptor) [pid 5204] close(4) = -1 EBADF (Bad file descriptor) [pid 5204] close(5) = -1 EBADF (Bad file descriptor) [pid 5204] close(6) = -1 EBADF (Bad file descriptor) [pid 5204] close(7) = -1 EBADF (Bad file descriptor) [pid 5204] close(8) = -1 EBADF (Bad file descriptor) [pid 5204] close(9) = -1 EBADF (Bad file descriptor) [pid 5204] close(10) = -1 EBADF (Bad file descriptor) [pid 5204] close(11) = -1 EBADF (Bad file descriptor) [pid 5204] close(12) = -1 EBADF (Bad file descriptor) [pid 5204] close(13) = -1 EBADF (Bad file descriptor) [pid 5204] close(14) = -1 EBADF (Bad file descriptor) [pid 5204] close(15) = -1 EBADF (Bad file descriptor) [pid 5204] close(16) = -1 EBADF (Bad file descriptor) [pid 5204] close(17) = -1 EBADF (Bad file descriptor) [pid 5204] close(18) = -1 EBADF (Bad file descriptor) [pid 5204] close(19) = -1 EBADF (Bad file descriptor) [pid 5204] close(20) = -1 EBADF (Bad file descriptor) [pid 5204] close(21) = -1 EBADF (Bad file descriptor) [pid 5204] close(22) = -1 EBADF (Bad file descriptor) [pid 5204] close(23) = -1 EBADF (Bad file descriptor) [pid 5204] close(24) = -1 EBADF (Bad file descriptor) [pid 5204] close(25) = -1 EBADF (Bad file descriptor) [pid 5204] close(26) = -1 EBADF (Bad file descriptor) [pid 5204] close(27) = -1 EBADF (Bad file descriptor) [pid 5204] close(28) = -1 EBADF (Bad file descriptor) [pid 5204] close(29) = -1 EBADF (Bad file descriptor) [pid 5204] exit_group(0 [pid 5206] <... clone resumed>) = ? [pid 5205] <... futex resumed>) = ? [pid 5204] <... exit_group resumed>) = ? [pid 5206] +++ exited with 0 +++ [pid 5205] +++ exited with 0 +++ [pid 5204] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=194, si_uid=0, si_status=0, si_utime=15 /* 0.15 s */, si_stime=75 /* 0.75 s */} --- [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 198 ./strace-static-x86_64: Process 5208 attached [pid 5208] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5208] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5208] setpgid(0, 0) = 0 [pid 5208] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5208] write(3, "1000", 4) = 4 [pid 5208] close(3) = 0 [pid 5208] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5208] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5208] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5208] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[199], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 199 [pid 5208] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5208] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5209 attached [pid 5209] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5209] memfd_create("syzkaller", 0) = 3 [pid 5209] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5209] 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"..., 67108864 [pid 5207] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=197, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=44 /* 0.44 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5209] <... write resumed>) = 67108864 [pid 5209] munmap(0x7f0f30428000, 67108864) = 0 [pid 5209] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5209] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5209] ioctl(4, LOOP_CLR_FD) = 0 [pid 5209] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5209] close(4) = 0 [pid 5209] close(3) = 0 [pid 5209] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5208] <... futex resumed>) = 0 [pid 5208] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5208] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5209] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5208] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5208] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5208] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5209] <... mmap resumed>) = 0x20000000 [pid 5209] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5209] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5208] <... mmap resumed>) = 0x7f0f34407000 [pid 5208] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5208] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 5210 attached , parent_tid=[200], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 200 [pid 5210] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5210] futex(0x7f0f389306d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5208] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5210] <... futex resumed>) = 0 [pid 5210] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO [pid 5208] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5211 attached [pid 5211] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5208] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5208] close(3) = -1 EBADF (Bad file descriptor) [pid 5208] close(4) = -1 EBADF (Bad file descriptor) [pid 5208] close(5) = -1 EBADF (Bad file descriptor) [pid 5208] close(6) = -1 EBADF (Bad file descriptor) [pid 5208] close(7) = -1 EBADF (Bad file descriptor) [pid 5208] close(8) = -1 EBADF (Bad file descriptor) [pid 5208] close(9) = -1 EBADF (Bad file descriptor) [pid 5208] close(10) = -1 EBADF (Bad file descriptor) [pid 5208] close(11) = -1 EBADF (Bad file descriptor) [pid 5208] close(12) = -1 EBADF (Bad file descriptor) [pid 5208] close(13) = -1 EBADF (Bad file descriptor) [pid 5208] close(14) = -1 EBADF (Bad file descriptor) [pid 5208] close(15) = -1 EBADF (Bad file descriptor) [pid 5208] close(16) = -1 EBADF (Bad file descriptor) [pid 5208] close(17) = -1 EBADF (Bad file descriptor) [pid 5208] close(18) = -1 EBADF (Bad file descriptor) [pid 5208] close(19) = -1 EBADF (Bad file descriptor) [pid 5208] close(20) = -1 EBADF (Bad file descriptor) [pid 5208] close(21) = -1 EBADF (Bad file descriptor) [pid 5208] close(22) = -1 EBADF (Bad file descriptor) [pid 5208] close(23) = -1 EBADF (Bad file descriptor) [pid 5208] close(24) = -1 EBADF (Bad file descriptor) [pid 5208] close(25) = -1 EBADF (Bad file descriptor) [pid 5208] close(26) = -1 EBADF (Bad file descriptor) [pid 5208] close(27) = -1 EBADF (Bad file descriptor) [pid 5208] close(28) = -1 EBADF (Bad file descriptor) [pid 5208] close(29) = -1 EBADF (Bad file descriptor) [pid 5208] exit_group(0) = ? [pid 5210] <... clone resumed>) = ? [pid 5209] <... futex resumed>) = ? [pid 5210] +++ exited with 0 +++ [pid 5209] +++ exited with 0 +++ [pid 5208] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=198, si_uid=0, si_status=0, si_utime=19 /* 0.19 s */, si_stime=74 /* 0.74 s */} --- [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 202 ./strace-static-x86_64: Process 5212 attached [pid 5212] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5212] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5212] setpgid(0, 0) = 0 [pid 5212] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5212] write(3, "1000", 4) = 4 [pid 5212] close(3) = 0 [pid 5212] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5212] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5212] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5212] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[203], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 203 [pid 5212] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5212] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5213 attached [pid 5213] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5213] memfd_create("syzkaller", 0) = 3 [pid 5213] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5213] 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"..., 67108864 [pid 5211] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=201, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=39 /* 0.39 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5213] <... write resumed>) = 67108864 [pid 5213] munmap(0x7f0f30428000, 67108864) = 0 [pid 5213] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5213] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5213] ioctl(4, LOOP_CLR_FD) = 0 [pid 5213] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5213] close(4) = 0 [pid 5213] close(3) = 0 [pid 5213] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5212] <... futex resumed>) = 0 [pid 5212] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5213] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5212] <... futex resumed>) = 0 [pid 5212] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5212] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5212] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f34407000 [pid 5213] <... mmap resumed>) = 0x20000000 [pid 5213] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5212] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5213] <... futex resumed>) = 0 [pid 5213] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5212] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[204], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 204 [pid 5212] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5212] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5214 attached [pid 5214] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5214] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5215 attached [pid 5215] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5212] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5212] close(3) = -1 EBADF (Bad file descriptor) [pid 5212] close(4) = -1 EBADF (Bad file descriptor) [pid 5212] close(5) = -1 EBADF (Bad file descriptor) [pid 5212] close(6) = -1 EBADF (Bad file descriptor) [pid 5212] close(7) = -1 EBADF (Bad file descriptor) [pid 5212] close(8) = -1 EBADF (Bad file descriptor) [pid 5212] close(9) = -1 EBADF (Bad file descriptor) [pid 5212] close(10) = -1 EBADF (Bad file descriptor) [pid 5212] close(11) = -1 EBADF (Bad file descriptor) [pid 5212] close(12) = -1 EBADF (Bad file descriptor) [pid 5212] close(13) = -1 EBADF (Bad file descriptor) [pid 5212] close(14) = -1 EBADF (Bad file descriptor) [pid 5212] close(15) = -1 EBADF (Bad file descriptor) [pid 5212] close(16) = -1 EBADF (Bad file descriptor) [pid 5212] close(17) = -1 EBADF (Bad file descriptor) [pid 5212] close(18) = -1 EBADF (Bad file descriptor) [pid 5212] close(19) = -1 EBADF (Bad file descriptor) [pid 5212] close(20) = -1 EBADF (Bad file descriptor) [pid 5212] close(21) = -1 EBADF (Bad file descriptor) [pid 5212] close(22) = -1 EBADF (Bad file descriptor) [pid 5212] close(23) = -1 EBADF (Bad file descriptor) [pid 5212] close(24) = -1 EBADF (Bad file descriptor) [pid 5212] close(25) = -1 EBADF (Bad file descriptor) [pid 5212] close(26) = -1 EBADF (Bad file descriptor) [pid 5212] close(27) = -1 EBADF (Bad file descriptor) [pid 5212] close(28) = -1 EBADF (Bad file descriptor) [pid 5212] close(29) = -1 EBADF (Bad file descriptor) [pid 5212] exit_group(0 [pid 5214] <... clone resumed>) = ? [pid 5213] <... futex resumed>) = ? [pid 5212] <... exit_group resumed>) = ? [pid 5214] +++ exited with 0 +++ [pid 5213] +++ exited with 0 +++ [pid 5212] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=202, si_uid=0, si_status=0, si_utime=14 /* 0.14 s */, si_stime=81 /* 0.81 s */} --- [pid 5000] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 206 ./strace-static-x86_64: Process 5216 attached [pid 5216] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5216] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5216] setpgid(0, 0) = 0 [pid 5216] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5216] write(3, "1000", 4) = 4 [pid 5216] close(3) = 0 [pid 5216] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5216] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5216] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5216] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[207], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 207 [pid 5216] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5216] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5217 attached [pid 5217] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5217] memfd_create("syzkaller", 0) = 3 [pid 5217] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5215] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=205, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=47 /* 0.47 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5217] 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"..., 67108864) = 67108864 [pid 5217] munmap(0x7f0f30428000, 67108864) = 0 [pid 5217] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5217] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5217] ioctl(4, LOOP_CLR_FD) = 0 [pid 5217] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5217] close(4) = 0 [pid 5217] close(3) = 0 [pid 5217] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5216] <... futex resumed>) = 0 [pid 5216] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5216] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5217] <... futex resumed>) = 1 [pid 5217] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5216] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5216] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5216] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5216] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5216] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f34407000 [pid 5216] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5216] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[208], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 208 [pid 5216] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5216] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5217] <... mmap resumed>) = 0x20000000 [pid 5217] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5217] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5218 attached [pid 5218] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5218] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5219 attached [pid 5219] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5216] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5216] close(3) = -1 EBADF (Bad file descriptor) [pid 5216] close(4) = -1 EBADF (Bad file descriptor) [pid 5216] close(5) = -1 EBADF (Bad file descriptor) [pid 5216] close(6) = -1 EBADF (Bad file descriptor) [pid 5216] close(7) = -1 EBADF (Bad file descriptor) [pid 5216] close(8) = -1 EBADF (Bad file descriptor) [pid 5216] close(9) = -1 EBADF (Bad file descriptor) [pid 5216] close(10) = -1 EBADF (Bad file descriptor) [pid 5216] close(11) = -1 EBADF (Bad file descriptor) [pid 5216] close(12) = -1 EBADF (Bad file descriptor) [pid 5216] close(13) = -1 EBADF (Bad file descriptor) [pid 5216] close(14) = -1 EBADF (Bad file descriptor) [pid 5216] close(15) = -1 EBADF (Bad file descriptor) [pid 5216] close(16) = -1 EBADF (Bad file descriptor) [pid 5216] close(17) = -1 EBADF (Bad file descriptor) [pid 5216] close(18) = -1 EBADF (Bad file descriptor) [pid 5216] close(19) = -1 EBADF (Bad file descriptor) [pid 5216] close(20) = -1 EBADF (Bad file descriptor) [pid 5216] close(21) = -1 EBADF (Bad file descriptor) [pid 5216] close(22) = -1 EBADF (Bad file descriptor) [pid 5216] close(23) = -1 EBADF (Bad file descriptor) [pid 5216] close(24) = -1 EBADF (Bad file descriptor) [pid 5216] close(25) = -1 EBADF (Bad file descriptor) [pid 5216] close(26) = -1 EBADF (Bad file descriptor) [pid 5216] close(27) = -1 EBADF (Bad file descriptor) [pid 5216] close(28) = -1 EBADF (Bad file descriptor) [pid 5216] close(29) = -1 EBADF (Bad file descriptor) [pid 5216] exit_group(0 [pid 5218] <... clone resumed>) = ? [pid 5217] <... futex resumed>) = ? [pid 5216] <... exit_group resumed>) = ? [pid 5218] +++ exited with 0 +++ [pid 5217] +++ exited with 0 +++ [pid 5216] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=206, si_uid=0, si_status=0, si_utime=13 /* 0.13 s */, si_stime=70 /* 0.70 s */} --- [pid 5000] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 210 ./strace-static-x86_64: Process 5220 attached [pid 5220] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5220] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5220] setpgid(0, 0) = 0 [pid 5220] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5220] write(3, "1000", 4) = 4 [pid 5220] close(3) = 0 [pid 5220] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5220] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5220] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5220] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[211], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 211 [pid 5220] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5220] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5221 attached [pid 5221] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5221] memfd_create("syzkaller", 0) = 3 [pid 5221] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5219] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=209, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=35 /* 0.35 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5221] 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"..., 67108864) = 67108864 [pid 5221] munmap(0x7f0f30428000, 67108864) = 0 [pid 5221] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5221] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5221] ioctl(4, LOOP_CLR_FD) = 0 [pid 5221] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5221] close(4) = 0 [pid 5221] close(3) = 0 [pid 5221] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5220] <... futex resumed>) = 0 [pid 5221] <... futex resumed>) = 1 [pid 5220] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5221] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5220] <... futex resumed>) = 0 [pid 5220] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5220] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5220] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f34407000 [pid 5221] <... mmap resumed>) = 0x20000000 [pid 5220] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE [pid 5221] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5220] <... mprotect resumed>) = 0 [pid 5221] <... futex resumed>) = 0 [pid 5220] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5221] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5220] <... clone resumed>, parent_tid=[212], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 212 [pid 5220] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5220] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5222 attached [pid 5222] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5222] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5223 attached [pid 5223] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5220] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5220] close(3) = -1 EBADF (Bad file descriptor) [pid 5220] close(4) = -1 EBADF (Bad file descriptor) [pid 5220] close(5) = -1 EBADF (Bad file descriptor) [pid 5220] close(6) = -1 EBADF (Bad file descriptor) [pid 5220] close(7) = -1 EBADF (Bad file descriptor) [pid 5220] close(8) = -1 EBADF (Bad file descriptor) [pid 5220] close(9) = -1 EBADF (Bad file descriptor) [pid 5220] close(10) = -1 EBADF (Bad file descriptor) [pid 5220] close(11) = -1 EBADF (Bad file descriptor) [pid 5220] close(12) = -1 EBADF (Bad file descriptor) [pid 5220] close(13) = -1 EBADF (Bad file descriptor) [pid 5220] close(14) = -1 EBADF (Bad file descriptor) [pid 5220] close(15) = -1 EBADF (Bad file descriptor) [pid 5220] close(16) = -1 EBADF (Bad file descriptor) [pid 5220] close(17) = -1 EBADF (Bad file descriptor) [pid 5220] close(18) = -1 EBADF (Bad file descriptor) [pid 5220] close(19) = -1 EBADF (Bad file descriptor) [pid 5220] close(20) = -1 EBADF (Bad file descriptor) [pid 5220] close(21) = -1 EBADF (Bad file descriptor) [pid 5220] close(22) = -1 EBADF (Bad file descriptor) [pid 5220] close(23) = -1 EBADF (Bad file descriptor) [pid 5220] close(24) = -1 EBADF (Bad file descriptor) [pid 5220] close(25) = -1 EBADF (Bad file descriptor) [pid 5220] close(26) = -1 EBADF (Bad file descriptor) [pid 5220] close(27) = -1 EBADF (Bad file descriptor) [pid 5220] close(28) = -1 EBADF (Bad file descriptor) [pid 5220] close(29) = -1 EBADF (Bad file descriptor) [pid 5220] exit_group(0) = ? [pid 5221] <... futex resumed>) = ? [pid 5222] <... clone resumed>) = ? [pid 5221] +++ exited with 0 +++ [pid 5222] +++ exited with 0 +++ [pid 5220] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=210, si_uid=0, si_status=0, si_utime=17 /* 0.17 s */, si_stime=78 /* 0.78 s */} --- [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5224 attached , child_tidptr=0x5555558d65d0) = 214 [pid 5224] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5224] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5224] setpgid(0, 0) = 0 [pid 5224] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5224] write(3, "1000", 4) = 4 [pid 5224] close(3) = 0 [pid 5224] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5224] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5224] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5224] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[215], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 215 [pid 5224] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5224] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5225 attached [pid 5225] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5225] memfd_create("syzkaller", 0) = 3 [pid 5225] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5223] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=213, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=37 /* 0.37 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5225] 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"..., 67108864) = 67108864 [pid 5225] munmap(0x7f0f30428000, 67108864) = 0 [pid 5225] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5225] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5225] ioctl(4, LOOP_CLR_FD) = 0 [pid 5225] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5225] close(4) = 0 [pid 5225] close(3) = 0 [pid 5225] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5224] <... futex resumed>) = 0 [pid 5224] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5224] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5225] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5224] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5224] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5224] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f34407000 [pid 5225] <... mmap resumed>) = 0x20000000 [pid 5225] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5224] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE [pid 5225] <... futex resumed>) = 0 [pid 5224] <... mprotect resumed>) = 0 [pid 5225] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5224] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 5226 attached , parent_tid=[216], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 216 [pid 5224] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5224] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5226] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5226] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5227 attached [pid 5227] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5224] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5224] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5224] close(3) = -1 EBADF (Bad file descriptor) [pid 5224] close(4) = -1 EBADF (Bad file descriptor) [pid 5224] close(5) = -1 EBADF (Bad file descriptor) [pid 5224] close(6) = -1 EBADF (Bad file descriptor) [pid 5224] close(7) = -1 EBADF (Bad file descriptor) [pid 5224] close(8) = -1 EBADF (Bad file descriptor) [pid 5224] close(9) = -1 EBADF (Bad file descriptor) [pid 5224] close(10) = -1 EBADF (Bad file descriptor) [pid 5224] close(11) = -1 EBADF (Bad file descriptor) [pid 5224] close(12) = -1 EBADF (Bad file descriptor) [pid 5224] close(13) = -1 EBADF (Bad file descriptor) [pid 5224] close(14) = -1 EBADF (Bad file descriptor) [pid 5224] close(15) = -1 EBADF (Bad file descriptor) [pid 5224] close(16) = -1 EBADF (Bad file descriptor) [pid 5224] close(17) = -1 EBADF (Bad file descriptor) [pid 5224] close(18) = -1 EBADF (Bad file descriptor) [pid 5224] close(19) = -1 EBADF (Bad file descriptor) [pid 5224] close(20) = -1 EBADF (Bad file descriptor) [pid 5224] close(21) = -1 EBADF (Bad file descriptor) [pid 5224] close(22) = -1 EBADF (Bad file descriptor) [pid 5224] close(23) = -1 EBADF (Bad file descriptor) [pid 5224] close(24) = -1 EBADF (Bad file descriptor) [pid 5224] close(25) = -1 EBADF (Bad file descriptor) [pid 5224] close(26) = -1 EBADF (Bad file descriptor) [pid 5224] close(27) = -1 EBADF (Bad file descriptor) [pid 5224] close(28) = -1 EBADF (Bad file descriptor) [pid 5224] close(29) = -1 EBADF (Bad file descriptor) [pid 5224] exit_group(0 [pid 5226] <... clone resumed>) = ? [pid 5225] <... futex resumed>) = ? [pid 5224] <... exit_group resumed>) = ? [pid 5226] +++ exited with 0 +++ [pid 5225] +++ exited with 0 +++ [pid 5224] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=214, si_uid=0, si_status=0, si_utime=20 /* 0.20 s */, si_stime=82 /* 0.82 s */} --- [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 218 ./strace-static-x86_64: Process 5228 attached [pid 5228] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5228] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5228] setpgid(0, 0) = 0 [pid 5228] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5228] write(3, "1000", 4) = 4 [pid 5228] close(3) = 0 [pid 5228] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5228] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5228] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5228] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[219], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 219 [pid 5228] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5228] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5229 attached [pid 5229] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5229] memfd_create("syzkaller", 0) = 3 [pid 5229] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5229] 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"..., 67108864 [pid 5227] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=217, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=42 /* 0.42 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5229] <... write resumed>) = 67108864 [pid 5229] munmap(0x7f0f30428000, 67108864) = 0 [pid 5229] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5229] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5229] ioctl(4, LOOP_CLR_FD) = 0 [pid 5229] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5229] close(4) = 0 [pid 5229] close(3) = 0 [pid 5229] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5228] <... futex resumed>) = 0 [pid 5228] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5228] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5229] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5228] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5228] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5228] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5229] <... mmap resumed>) = 0x20000000 [pid 5228] <... mmap resumed>) = 0x7f0f34407000 [pid 5228] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE [pid 5229] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5228] <... mprotect resumed>) = 0 [pid 5228] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5229] <... futex resumed>) = 0 [pid 5228] <... clone resumed>, parent_tid=[220], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 220 [pid 5228] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5228] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5229] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5230 attached [pid 5230] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5230] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5231 attached [pid 5231] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5228] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5228] close(3) = -1 EBADF (Bad file descriptor) [pid 5228] close(4) = -1 EBADF (Bad file descriptor) [pid 5228] close(5) = -1 EBADF (Bad file descriptor) [pid 5228] close(6) = -1 EBADF (Bad file descriptor) [pid 5228] close(7) = -1 EBADF (Bad file descriptor) [pid 5228] close(8) = -1 EBADF (Bad file descriptor) [pid 5228] close(9) = -1 EBADF (Bad file descriptor) [pid 5228] close(10) = -1 EBADF (Bad file descriptor) [pid 5228] close(11) = -1 EBADF (Bad file descriptor) [pid 5228] close(12) = -1 EBADF (Bad file descriptor) [pid 5228] close(13) = -1 EBADF (Bad file descriptor) [pid 5228] close(14) = -1 EBADF (Bad file descriptor) [pid 5228] close(15) = -1 EBADF (Bad file descriptor) [pid 5228] close(16) = -1 EBADF (Bad file descriptor) [pid 5228] close(17) = -1 EBADF (Bad file descriptor) [pid 5228] close(18) = -1 EBADF (Bad file descriptor) [pid 5228] close(19) = -1 EBADF (Bad file descriptor) [pid 5228] close(20) = -1 EBADF (Bad file descriptor) [pid 5228] close(21) = -1 EBADF (Bad file descriptor) [pid 5228] close(22) = -1 EBADF (Bad file descriptor) [pid 5228] close(23) = -1 EBADF (Bad file descriptor) [pid 5228] close(24) = -1 EBADF (Bad file descriptor) [pid 5228] close(25) = -1 EBADF (Bad file descriptor) [pid 5228] close(26) = -1 EBADF (Bad file descriptor) [pid 5228] close(27) = -1 EBADF (Bad file descriptor) [pid 5228] close(28) = -1 EBADF (Bad file descriptor) [pid 5228] close(29) = -1 EBADF (Bad file descriptor) [pid 5228] exit_group(0 [pid 5229] <... futex resumed>) = ? [pid 5228] <... exit_group resumed>) = ? [pid 5230] <... clone resumed>) = ? [pid 5229] +++ exited with 0 +++ [pid 5230] +++ exited with 0 +++ [pid 5228] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=218, si_uid=0, si_status=0, si_utime=11 /* 0.11 s */, si_stime=84 /* 0.84 s */} --- [pid 5000] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 222 ./strace-static-x86_64: Process 5232 attached [pid 5232] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5232] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5232] setpgid(0, 0) = 0 [pid 5232] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5232] write(3, "1000", 4) = 4 [pid 5232] close(3) = 0 [pid 5232] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5232] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5232] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5232] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[223], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 223 [pid 5232] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5232] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5233 attached [pid 5233] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5233] memfd_create("syzkaller", 0) = 3 [pid 5233] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5231] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=221, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=38 /* 0.38 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5233] 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"..., 67108864) = 67108864 [pid 5233] munmap(0x7f0f30428000, 67108864) = 0 [pid 5233] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5233] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5233] ioctl(4, LOOP_CLR_FD) = 0 [pid 5233] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5233] close(4) = 0 [pid 5233] close(3) = 0 [pid 5233] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5232] <... futex resumed>) = 0 [pid 5232] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5233] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5232] <... futex resumed>) = 0 [pid 5232] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5232] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5232] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5232] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5233] <... mmap resumed>) = 0x20000000 [pid 5232] <... mmap resumed>) = 0x7f0f34407000 [pid 5232] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE [pid 5233] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5232] <... mprotect resumed>) = 0 [pid 5232] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5233] <... futex resumed>) = 0 [pid 5232] <... clone resumed>, parent_tid=[224], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 224 [pid 5232] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5232] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5233] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5234 attached [pid 5234] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5234] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5235 attached [pid 5235] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5232] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5232] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5232] close(3) = -1 EBADF (Bad file descriptor) [pid 5232] close(4) = -1 EBADF (Bad file descriptor) [pid 5232] close(5) = -1 EBADF (Bad file descriptor) [pid 5232] close(6) = -1 EBADF (Bad file descriptor) [pid 5232] close(7) = -1 EBADF (Bad file descriptor) [pid 5232] close(8) = -1 EBADF (Bad file descriptor) [pid 5232] close(9) = -1 EBADF (Bad file descriptor) [pid 5232] close(10) = -1 EBADF (Bad file descriptor) [pid 5232] close(11) = -1 EBADF (Bad file descriptor) [pid 5232] close(12) = -1 EBADF (Bad file descriptor) [pid 5232] close(13) = -1 EBADF (Bad file descriptor) [pid 5232] close(14) = -1 EBADF (Bad file descriptor) [pid 5232] close(15) = -1 EBADF (Bad file descriptor) [pid 5232] close(16) = -1 EBADF (Bad file descriptor) [pid 5232] close(17) = -1 EBADF (Bad file descriptor) [pid 5232] close(18) = -1 EBADF (Bad file descriptor) [pid 5232] close(19) = -1 EBADF (Bad file descriptor) [pid 5232] close(20) = -1 EBADF (Bad file descriptor) [pid 5232] close(21) = -1 EBADF (Bad file descriptor) [pid 5232] close(22) = -1 EBADF (Bad file descriptor) [pid 5232] close(23) = -1 EBADF (Bad file descriptor) [pid 5232] close(24) = -1 EBADF (Bad file descriptor) [pid 5232] close(25) = -1 EBADF (Bad file descriptor) [pid 5232] close(26) = -1 EBADF (Bad file descriptor) [pid 5232] close(27) = -1 EBADF (Bad file descriptor) [pid 5232] close(28) = -1 EBADF (Bad file descriptor) [pid 5232] close(29) = -1 EBADF (Bad file descriptor) [pid 5232] exit_group(0 [pid 5234] <... clone resumed>) = ? [pid 5233] <... futex resumed>) = ? [pid 5232] <... exit_group resumed>) = ? [pid 5234] +++ exited with 0 +++ [pid 5233] +++ exited with 0 +++ [pid 5232] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=222, si_uid=0, si_status=0, si_utime=15 /* 0.15 s */, si_stime=74 /* 0.74 s */} --- [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 226 ./strace-static-x86_64: Process 5236 attached [pid 5236] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5236] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5236] setpgid(0, 0) = 0 [pid 5236] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5236] write(3, "1000", 4) = 4 [pid 5236] close(3) = 0 [pid 5236] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5236] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5236] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5236] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[227], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 227 [pid 5236] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5236] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5237 attached [pid 5237] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5237] memfd_create("syzkaller", 0) = 3 [pid 5237] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5235] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=225, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=38 /* 0.38 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5237] 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"..., 67108864) = 67108864 [pid 5237] munmap(0x7f0f30428000, 67108864) = 0 [pid 5237] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5237] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5237] ioctl(4, LOOP_CLR_FD) = 0 [pid 5237] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5237] close(4) = 0 [pid 5237] close(3) = 0 [pid 5237] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5236] <... futex resumed>) = 0 [pid 5236] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5237] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5236] <... futex resumed>) = 0 [pid 5236] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5236] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5236] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5236] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5236] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f34407000 [pid 5237] <... mmap resumed>) = 0x20000000 [pid 5236] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE [pid 5237] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5236] <... mprotect resumed>) = 0 [pid 5237] <... futex resumed>) = 0 [pid 5237] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5236] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 5238 attached , parent_tid=[228], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 228 [pid 5238] set_robust_list(0x7f0f344279e0, 24 [pid 5236] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5238] <... set_robust_list resumed>) = 0 [pid 5236] <... futex resumed>) = 0 [pid 5238] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO [pid 5236] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5239 attached [pid 5239] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5236] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5236] close(3) = -1 EBADF (Bad file descriptor) [pid 5236] close(4) = -1 EBADF (Bad file descriptor) [pid 5236] close(5) = -1 EBADF (Bad file descriptor) [pid 5236] close(6) = -1 EBADF (Bad file descriptor) [pid 5236] close(7) = -1 EBADF (Bad file descriptor) [pid 5236] close(8) = -1 EBADF (Bad file descriptor) [pid 5236] close(9) = -1 EBADF (Bad file descriptor) [pid 5236] close(10) = -1 EBADF (Bad file descriptor) [pid 5236] close(11) = -1 EBADF (Bad file descriptor) [pid 5236] close(12) = -1 EBADF (Bad file descriptor) [pid 5236] close(13) = -1 EBADF (Bad file descriptor) [pid 5236] close(14) = -1 EBADF (Bad file descriptor) [pid 5236] close(15) = -1 EBADF (Bad file descriptor) [pid 5236] close(16) = -1 EBADF (Bad file descriptor) [pid 5236] close(17) = -1 EBADF (Bad file descriptor) [pid 5236] close(18) = -1 EBADF (Bad file descriptor) [pid 5236] close(19) = -1 EBADF (Bad file descriptor) [pid 5236] close(20) = -1 EBADF (Bad file descriptor) [pid 5236] close(21) = -1 EBADF (Bad file descriptor) [pid 5236] close(22) = -1 EBADF (Bad file descriptor) [pid 5236] close(23) = -1 EBADF (Bad file descriptor) [pid 5236] close(24) = -1 EBADF (Bad file descriptor) [pid 5236] close(25) = -1 EBADF (Bad file descriptor) [pid 5236] close(26) = -1 EBADF (Bad file descriptor) [pid 5236] close(27) = -1 EBADF (Bad file descriptor) [pid 5236] close(28) = -1 EBADF (Bad file descriptor) [pid 5236] close(29) = -1 EBADF (Bad file descriptor) [pid 5236] exit_group(0 [pid 5238] <... clone resumed>) = ? [pid 5237] <... futex resumed>) = ? [pid 5236] <... exit_group resumed>) = ? [pid 5238] +++ exited with 0 +++ [pid 5237] +++ exited with 0 +++ [pid 5236] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=226, si_uid=0, si_status=0, si_utime=11 /* 0.11 s */, si_stime=78 /* 0.78 s */} --- [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 230 ./strace-static-x86_64: Process 5240 attached [pid 5240] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5240] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5240] setpgid(0, 0) = 0 [pid 5240] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5240] write(3, "1000", 4) = 4 [pid 5240] close(3) = 0 [pid 5240] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5240] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5240] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5240] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[231], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 231 [pid 5240] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5240] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5241 attached [pid 5241] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5241] memfd_create("syzkaller", 0) = 3 [pid 5241] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5239] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=229, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=37 /* 0.37 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5241] 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"..., 67108864) = 67108864 [pid 5241] munmap(0x7f0f30428000, 67108864) = 0 [pid 5241] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5241] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5241] ioctl(4, LOOP_CLR_FD) = 0 [pid 5241] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5241] close(4) = 0 [pid 5241] close(3) = 0 [pid 5241] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5240] <... futex resumed>) = 0 [pid 5240] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5240] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5241] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5240] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5240] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5240] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5241] <... mmap resumed>) = 0x20000000 [pid 5240] <... mmap resumed>) = 0x7f0f34407000 [pid 5240] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE [pid 5241] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5240] <... mprotect resumed>) = 0 [pid 5240] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5241] <... futex resumed>) = 0 [pid 5240] <... clone resumed>, parent_tid=[232], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 232 [pid 5240] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5240] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5241] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5242 attached [pid 5242] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5242] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5243 attached [pid 5243] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5240] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5240] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5240] close(3) = -1 EBADF (Bad file descriptor) [pid 5240] close(4) = -1 EBADF (Bad file descriptor) [pid 5240] close(5) = -1 EBADF (Bad file descriptor) [pid 5240] close(6) = -1 EBADF (Bad file descriptor) [pid 5240] close(7) = -1 EBADF (Bad file descriptor) [pid 5240] close(8) = -1 EBADF (Bad file descriptor) [pid 5240] close(9) = -1 EBADF (Bad file descriptor) [pid 5240] close(10) = -1 EBADF (Bad file descriptor) [pid 5240] close(11) = -1 EBADF (Bad file descriptor) [pid 5240] close(12) = -1 EBADF (Bad file descriptor) [pid 5240] close(13) = -1 EBADF (Bad file descriptor) [pid 5240] close(14) = -1 EBADF (Bad file descriptor) [pid 5240] close(15) = -1 EBADF (Bad file descriptor) [pid 5240] close(16) = -1 EBADF (Bad file descriptor) [pid 5240] close(17) = -1 EBADF (Bad file descriptor) [pid 5240] close(18) = -1 EBADF (Bad file descriptor) [pid 5240] close(19) = -1 EBADF (Bad file descriptor) [pid 5240] close(20) = -1 EBADF (Bad file descriptor) [pid 5240] close(21) = -1 EBADF (Bad file descriptor) [pid 5240] close(22) = -1 EBADF (Bad file descriptor) [pid 5240] close(23) = -1 EBADF (Bad file descriptor) [pid 5240] close(24) = -1 EBADF (Bad file descriptor) [pid 5240] close(25) = -1 EBADF (Bad file descriptor) [pid 5240] close(26) = -1 EBADF (Bad file descriptor) [pid 5240] close(27) = -1 EBADF (Bad file descriptor) [pid 5240] close(28) = -1 EBADF (Bad file descriptor) [pid 5240] close(29) = -1 EBADF (Bad file descriptor) [pid 5240] exit_group(0 [pid 5242] <... clone resumed>) = ? [pid 5241] <... futex resumed>) = ? [pid 5240] <... exit_group resumed>) = ? [pid 5242] +++ exited with 0 +++ [pid 5241] +++ exited with 0 +++ [pid 5240] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=230, si_uid=0, si_status=0, si_utime=19 /* 0.19 s */, si_stime=78 /* 0.78 s */} --- [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 234 ./strace-static-x86_64: Process 5244 attached [pid 5244] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5244] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5244] setpgid(0, 0) = 0 [pid 5244] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5244] write(3, "1000", 4) = 4 [pid 5244] close(3) = 0 [pid 5244] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5244] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5244] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5244] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[235], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 235 [pid 5244] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5244] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5245 attached [pid 5245] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5245] memfd_create("syzkaller", 0) = 3 [pid 5245] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5243] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=233, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=36 /* 0.36 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5245] 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"..., 67108864) = 67108864 [pid 5245] munmap(0x7f0f30428000, 67108864) = 0 [pid 5245] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5245] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5245] ioctl(4, LOOP_CLR_FD) = 0 [pid 5245] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5245] close(4) = 0 [pid 5245] close(3) = 0 [pid 5245] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5244] <... futex resumed>) = 0 [pid 5244] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5244] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5245] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5244] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5244] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5244] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5244] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5245] <... mmap resumed>) = 0x20000000 [pid 5244] <... mmap resumed>) = 0x7f0f34407000 [pid 5244] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5244] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[236], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 236 [pid 5244] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5244] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5245] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5245] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5246 attached [pid 5246] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5246] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5247 attached [pid 5247] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5244] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5244] close(3) = -1 EBADF (Bad file descriptor) [pid 5244] close(4) = -1 EBADF (Bad file descriptor) [pid 5244] close(5) = -1 EBADF (Bad file descriptor) [pid 5244] close(6) = -1 EBADF (Bad file descriptor) [pid 5244] close(7) = -1 EBADF (Bad file descriptor) [pid 5244] close(8) = -1 EBADF (Bad file descriptor) [pid 5244] close(9) = -1 EBADF (Bad file descriptor) [pid 5244] close(10) = -1 EBADF (Bad file descriptor) [pid 5244] close(11) = -1 EBADF (Bad file descriptor) [pid 5244] close(12) = -1 EBADF (Bad file descriptor) [pid 5244] close(13) = -1 EBADF (Bad file descriptor) [pid 5244] close(14) = -1 EBADF (Bad file descriptor) [pid 5244] close(15) = -1 EBADF (Bad file descriptor) [pid 5244] close(16) = -1 EBADF (Bad file descriptor) [pid 5244] close(17) = -1 EBADF (Bad file descriptor) [pid 5244] close(18) = -1 EBADF (Bad file descriptor) [pid 5244] close(19) = -1 EBADF (Bad file descriptor) [pid 5244] close(20) = -1 EBADF (Bad file descriptor) [pid 5244] close(21) = -1 EBADF (Bad file descriptor) [pid 5244] close(22) = -1 EBADF (Bad file descriptor) [pid 5244] close(23) = -1 EBADF (Bad file descriptor) [pid 5244] close(24) = -1 EBADF (Bad file descriptor) [pid 5244] close(25) = -1 EBADF (Bad file descriptor) [pid 5244] close(26) = -1 EBADF (Bad file descriptor) [pid 5244] close(27) = -1 EBADF (Bad file descriptor) [pid 5244] close(28) = -1 EBADF (Bad file descriptor) [pid 5244] close(29) = -1 EBADF (Bad file descriptor) [pid 5244] exit_group(0 [pid 5246] <... clone resumed>) = ? [pid 5245] <... futex resumed>) = ? [pid 5244] <... exit_group resumed>) = ? [pid 5246] +++ exited with 0 +++ [pid 5245] +++ exited with 0 +++ [pid 5244] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=234, si_uid=0, si_status=0, si_utime=12 /* 0.12 s */, si_stime=85 /* 0.85 s */} --- [pid 5000] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 238 ./strace-static-x86_64: Process 5248 attached [pid 5248] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5248] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5248] setpgid(0, 0) = 0 [pid 5248] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5248] write(3, "1000", 4) = 4 [pid 5248] close(3) = 0 [pid 5248] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5248] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5248] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5248] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[239], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 239 [pid 5248] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5248] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5249 attached [pid 5249] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5249] memfd_create("syzkaller", 0) = 3 [pid 5249] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5247] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=237, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=38 /* 0.38 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5249] 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"..., 67108864) = 67108864 [pid 5249] munmap(0x7f0f30428000, 67108864) = 0 [pid 5249] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5249] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5249] ioctl(4, LOOP_CLR_FD) = 0 [pid 5249] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5249] close(4) = 0 [pid 5249] close(3) = 0 [pid 5249] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5248] <... futex resumed>) = 0 [pid 5248] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5248] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5249] <... futex resumed>) = 1 [pid 5249] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5248] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5248] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5248] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f34407000 [pid 5248] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5248] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[240], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 240 [pid 5248] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5248] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5249] <... mmap resumed>) = 0x20000000 [pid 5249] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5249] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5250 attached [pid 5250] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5250] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5251 attached [pid 5251] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5248] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5248] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5248] close(3) = -1 EBADF (Bad file descriptor) [pid 5248] close(4) = -1 EBADF (Bad file descriptor) [pid 5248] close(5) = -1 EBADF (Bad file descriptor) [pid 5248] close(6) = -1 EBADF (Bad file descriptor) [pid 5248] close(7) = -1 EBADF (Bad file descriptor) [pid 5248] close(8) = -1 EBADF (Bad file descriptor) [pid 5248] close(9) = -1 EBADF (Bad file descriptor) [pid 5248] close(10) = -1 EBADF (Bad file descriptor) [pid 5248] close(11) = -1 EBADF (Bad file descriptor) [pid 5248] close(12) = -1 EBADF (Bad file descriptor) [pid 5248] close(13) = -1 EBADF (Bad file descriptor) [pid 5248] close(14) = -1 EBADF (Bad file descriptor) [pid 5248] close(15) = -1 EBADF (Bad file descriptor) [pid 5248] close(16) = -1 EBADF (Bad file descriptor) [pid 5248] close(17) = -1 EBADF (Bad file descriptor) [pid 5248] close(18) = -1 EBADF (Bad file descriptor) [pid 5248] close(19) = -1 EBADF (Bad file descriptor) [pid 5248] close(20) = -1 EBADF (Bad file descriptor) [pid 5248] close(21) = -1 EBADF (Bad file descriptor) [pid 5248] close(22) = -1 EBADF (Bad file descriptor) [pid 5248] close(23) = -1 EBADF (Bad file descriptor) [pid 5248] close(24) = -1 EBADF (Bad file descriptor) [pid 5248] close(25) = -1 EBADF (Bad file descriptor) [pid 5248] close(26) = -1 EBADF (Bad file descriptor) [pid 5248] close(27) = -1 EBADF (Bad file descriptor) [pid 5248] close(28) = -1 EBADF (Bad file descriptor) [pid 5248] close(29) = -1 EBADF (Bad file descriptor) [pid 5248] exit_group(0 [pid 5250] <... clone resumed>) = ? [pid 5249] <... futex resumed>) = ? [pid 5248] <... exit_group resumed>) = ? [pid 5250] +++ exited with 0 +++ [pid 5249] +++ exited with 0 +++ [pid 5248] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=238, si_uid=0, si_status=0, si_utime=16 /* 0.16 s */, si_stime=72 /* 0.72 s */} --- [pid 5000] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 242 ./strace-static-x86_64: Process 5252 attached [pid 5252] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5252] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5252] setpgid(0, 0) = 0 [pid 5252] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5252] write(3, "1000", 4) = 4 [pid 5252] close(3) = 0 [pid 5252] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5252] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5252] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5252] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[243], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 243 [pid 5252] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5252] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5253 attached [pid 5253] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5253] memfd_create("syzkaller", 0) = 3 [pid 5253] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5251] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=241, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=38 /* 0.38 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5253] 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"..., 67108864) = 67108864 [pid 5253] munmap(0x7f0f30428000, 67108864) = 0 [pid 5253] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5253] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5253] ioctl(4, LOOP_CLR_FD) = 0 [pid 5253] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5253] close(4) = 0 [pid 5253] close(3) = 0 [pid 5253] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5252] <... futex resumed>) = 0 [pid 5252] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5252] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5253] <... futex resumed>) = 1 [pid 5253] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5252] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5252] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5252] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f34407000 [pid 5252] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5252] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[244], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 244 [pid 5252] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5252] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5253] <... mmap resumed>) = 0x20000000 [pid 5253] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5253] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5254 attached [pid 5254] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5254] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5255 attached [pid 5255] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5252] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5252] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5252] close(3) = -1 EBADF (Bad file descriptor) [pid 5252] close(4) = -1 EBADF (Bad file descriptor) [pid 5252] close(5) = -1 EBADF (Bad file descriptor) [pid 5252] close(6) = -1 EBADF (Bad file descriptor) [pid 5252] close(7) = -1 EBADF (Bad file descriptor) [pid 5252] close(8) = -1 EBADF (Bad file descriptor) [pid 5252] close(9) = -1 EBADF (Bad file descriptor) [pid 5252] close(10) = -1 EBADF (Bad file descriptor) [pid 5252] close(11) = -1 EBADF (Bad file descriptor) [pid 5252] close(12) = -1 EBADF (Bad file descriptor) [pid 5252] close(13) = -1 EBADF (Bad file descriptor) [pid 5252] close(14) = -1 EBADF (Bad file descriptor) [pid 5252] close(15) = -1 EBADF (Bad file descriptor) [pid 5252] close(16) = -1 EBADF (Bad file descriptor) [pid 5252] close(17) = -1 EBADF (Bad file descriptor) [pid 5252] close(18) = -1 EBADF (Bad file descriptor) [pid 5252] close(19) = -1 EBADF (Bad file descriptor) [pid 5252] close(20) = -1 EBADF (Bad file descriptor) [pid 5252] close(21) = -1 EBADF (Bad file descriptor) [pid 5252] close(22) = -1 EBADF (Bad file descriptor) [pid 5252] close(23) = -1 EBADF (Bad file descriptor) [pid 5252] close(24) = -1 EBADF (Bad file descriptor) [pid 5252] close(25) = -1 EBADF (Bad file descriptor) [pid 5252] close(26) = -1 EBADF (Bad file descriptor) [pid 5252] close(27) = -1 EBADF (Bad file descriptor) [pid 5252] close(28) = -1 EBADF (Bad file descriptor) [pid 5252] close(29) = -1 EBADF (Bad file descriptor) [pid 5252] exit_group(0 [pid 5254] <... clone resumed>) = ? [pid 5253] <... futex resumed>) = ? [pid 5252] <... exit_group resumed>) = ? [pid 5254] +++ exited with 0 +++ [pid 5253] +++ exited with 0 +++ [pid 5252] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=242, si_uid=0, si_status=0, si_utime=15 /* 0.15 s */, si_stime=78 /* 0.78 s */} --- [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 246 ./strace-static-x86_64: Process 5256 attached [pid 5256] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5256] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5256] setpgid(0, 0) = 0 [pid 5256] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5256] write(3, "1000", 4) = 4 [pid 5256] close(3) = 0 [pid 5256] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5256] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5256] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5256] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[247], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 247 [pid 5256] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5256] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5257 attached [pid 5257] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5257] memfd_create("syzkaller", 0) = 3 [pid 5257] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5255] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=245, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=38 /* 0.38 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5257] 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"..., 67108864) = 67108864 [pid 5257] munmap(0x7f0f30428000, 67108864) = 0 [pid 5257] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5257] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5257] ioctl(4, LOOP_CLR_FD) = 0 [pid 5257] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5257] close(4) = 0 [pid 5257] close(3) = 0 [pid 5257] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5256] <... futex resumed>) = 0 [pid 5256] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5256] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5257] <... futex resumed>) = 1 [pid 5257] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5256] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5256] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5256] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5256] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f34407000 [pid 5256] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5256] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[248], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 248 [pid 5256] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5256] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5257] <... mmap resumed>) = 0x20000000 [pid 5257] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5257] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5258 attached [pid 5258] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5258] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5259 attached [pid 5259] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5256] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5256] close(3) = -1 EBADF (Bad file descriptor) [pid 5256] close(4) = -1 EBADF (Bad file descriptor) [pid 5256] close(5) = -1 EBADF (Bad file descriptor) [pid 5256] close(6) = -1 EBADF (Bad file descriptor) [pid 5256] close(7) = -1 EBADF (Bad file descriptor) [pid 5256] close(8) = -1 EBADF (Bad file descriptor) [pid 5256] close(9) = -1 EBADF (Bad file descriptor) [pid 5256] close(10) = -1 EBADF (Bad file descriptor) [pid 5256] close(11) = -1 EBADF (Bad file descriptor) [pid 5256] close(12) = -1 EBADF (Bad file descriptor) [pid 5256] close(13) = -1 EBADF (Bad file descriptor) [pid 5256] close(14) = -1 EBADF (Bad file descriptor) [pid 5256] close(15) = -1 EBADF (Bad file descriptor) [pid 5256] close(16) = -1 EBADF (Bad file descriptor) [pid 5256] close(17) = -1 EBADF (Bad file descriptor) [pid 5256] close(18) = -1 EBADF (Bad file descriptor) [pid 5256] close(19) = -1 EBADF (Bad file descriptor) [pid 5256] close(20) = -1 EBADF (Bad file descriptor) [pid 5256] close(21) = -1 EBADF (Bad file descriptor) [pid 5256] close(22) = -1 EBADF (Bad file descriptor) [pid 5256] close(23) = -1 EBADF (Bad file descriptor) [pid 5256] close(24) = -1 EBADF (Bad file descriptor) [pid 5256] close(25) = -1 EBADF (Bad file descriptor) [pid 5256] close(26) = -1 EBADF (Bad file descriptor) [pid 5256] close(27) = -1 EBADF (Bad file descriptor) [pid 5256] close(28) = -1 EBADF (Bad file descriptor) [pid 5256] close(29) = -1 EBADF (Bad file descriptor) [pid 5256] exit_group(0 [pid 5258] <... clone resumed>) = ? [pid 5257] <... futex resumed>) = ? [pid 5256] <... exit_group resumed>) = ? [pid 5258] +++ exited with 0 +++ [pid 5257] +++ exited with 0 +++ [pid 5256] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=246, si_uid=0, si_status=0, si_utime=15 /* 0.15 s */, si_stime=73 /* 0.73 s */} --- [pid 5000] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 250 ./strace-static-x86_64: Process 5260 attached [pid 5260] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5260] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5260] setpgid(0, 0) = 0 [pid 5260] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5260] write(3, "1000", 4) = 4 [pid 5260] close(3) = 0 [pid 5260] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5260] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5260] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5260] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[251], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 251 [pid 5260] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5260] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5261 attached [pid 5261] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5261] memfd_create("syzkaller", 0) = 3 [pid 5261] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5259] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=249, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=41 /* 0.41 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5261] 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"..., 67108864) = 67108864 [pid 5261] munmap(0x7f0f30428000, 67108864) = 0 [pid 5261] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5261] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5261] ioctl(4, LOOP_CLR_FD) = 0 [pid 5261] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5261] close(4) = 0 [pid 5261] close(3) = 0 [pid 5261] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5260] <... futex resumed>) = 0 [pid 5260] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5260] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5261] <... futex resumed>) = 1 [pid 5261] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5260] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5260] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5260] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f34407000 [pid 5260] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5260] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[252], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 252 [pid 5260] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5260] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5261] <... mmap resumed>) = 0x20000000 [pid 5261] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5261] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5262 attached [pid 5262] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5262] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5263 attached [pid 5263] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5260] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5260] close(3) = -1 EBADF (Bad file descriptor) [pid 5260] close(4) = -1 EBADF (Bad file descriptor) [pid 5260] close(5) = -1 EBADF (Bad file descriptor) [pid 5260] close(6) = -1 EBADF (Bad file descriptor) [pid 5260] close(7) = -1 EBADF (Bad file descriptor) [pid 5260] close(8) = -1 EBADF (Bad file descriptor) [pid 5260] close(9) = -1 EBADF (Bad file descriptor) [pid 5260] close(10) = -1 EBADF (Bad file descriptor) [pid 5260] close(11) = -1 EBADF (Bad file descriptor) [pid 5260] close(12) = -1 EBADF (Bad file descriptor) [pid 5260] close(13) = -1 EBADF (Bad file descriptor) [pid 5260] close(14) = -1 EBADF (Bad file descriptor) [pid 5260] close(15) = -1 EBADF (Bad file descriptor) [pid 5260] close(16) = -1 EBADF (Bad file descriptor) [pid 5260] close(17) = -1 EBADF (Bad file descriptor) [pid 5260] close(18) = -1 EBADF (Bad file descriptor) [pid 5260] close(19) = -1 EBADF (Bad file descriptor) [pid 5260] close(20) = -1 EBADF (Bad file descriptor) [pid 5260] close(21) = -1 EBADF (Bad file descriptor) [pid 5260] close(22) = -1 EBADF (Bad file descriptor) [pid 5260] close(23) = -1 EBADF (Bad file descriptor) [pid 5260] close(24) = -1 EBADF (Bad file descriptor) [pid 5260] close(25) = -1 EBADF (Bad file descriptor) [pid 5260] close(26) = -1 EBADF (Bad file descriptor) [pid 5260] close(27) = -1 EBADF (Bad file descriptor) [pid 5260] close(28) = -1 EBADF (Bad file descriptor) [pid 5260] close(29) = -1 EBADF (Bad file descriptor) [pid 5260] exit_group(0 [pid 5262] <... clone resumed>) = ? [pid 5261] <... futex resumed>) = ? [pid 5260] <... exit_group resumed>) = ? [pid 5262] +++ exited with 0 +++ [pid 5261] +++ exited with 0 +++ [pid 5260] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=250, si_uid=0, si_status=0, si_utime=21 /* 0.21 s */, si_stime=73 /* 0.73 s */} --- [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 254 ./strace-static-x86_64: Process 5264 attached [pid 5264] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5264] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5264] setpgid(0, 0) = 0 [pid 5264] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5264] write(3, "1000", 4) = 4 [pid 5264] close(3) = 0 [pid 5264] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5264] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5264] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5264] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[255], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 255 [pid 5264] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5264] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5265 attached [pid 5265] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5265] memfd_create("syzkaller", 0) = 3 [pid 5265] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5263] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=253, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=37 /* 0.37 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5265] 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"..., 67108864) = 67108864 [pid 5265] munmap(0x7f0f30428000, 67108864) = 0 [pid 5265] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5265] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5265] ioctl(4, LOOP_CLR_FD) = 0 [pid 5265] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5265] close(4) = 0 [pid 5265] close(3) = 0 [pid 5265] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5264] <... futex resumed>) = 0 [pid 5264] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5264] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5265] <... futex resumed>) = 1 [pid 5265] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5264] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5264] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5264] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f34407000 [pid 5264] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5264] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[256], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 256 [pid 5264] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5264] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5265] <... mmap resumed>) = 0x20000000 [pid 5265] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5265] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5266 attached [pid 5266] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5266] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5267 attached [pid 5267] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5264] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5264] close(3) = -1 EBADF (Bad file descriptor) [pid 5264] close(4) = -1 EBADF (Bad file descriptor) [pid 5264] close(5) = -1 EBADF (Bad file descriptor) [pid 5264] close(6) = -1 EBADF (Bad file descriptor) [pid 5264] close(7) = -1 EBADF (Bad file descriptor) [pid 5264] close(8) = -1 EBADF (Bad file descriptor) [pid 5264] close(9) = -1 EBADF (Bad file descriptor) [pid 5264] close(10) = -1 EBADF (Bad file descriptor) [pid 5264] close(11) = -1 EBADF (Bad file descriptor) [pid 5264] close(12) = -1 EBADF (Bad file descriptor) [pid 5264] close(13) = -1 EBADF (Bad file descriptor) [pid 5264] close(14) = -1 EBADF (Bad file descriptor) [pid 5264] close(15) = -1 EBADF (Bad file descriptor) [pid 5264] close(16) = -1 EBADF (Bad file descriptor) [pid 5264] close(17) = -1 EBADF (Bad file descriptor) [pid 5264] close(18) = -1 EBADF (Bad file descriptor) [pid 5264] close(19) = -1 EBADF (Bad file descriptor) [pid 5264] close(20) = -1 EBADF (Bad file descriptor) [pid 5264] close(21) = -1 EBADF (Bad file descriptor) [pid 5264] close(22) = -1 EBADF (Bad file descriptor) [pid 5264] close(23) = -1 EBADF (Bad file descriptor) [pid 5264] close(24) = -1 EBADF (Bad file descriptor) [pid 5264] close(25) = -1 EBADF (Bad file descriptor) [pid 5264] close(26) = -1 EBADF (Bad file descriptor) [pid 5264] close(27) = -1 EBADF (Bad file descriptor) [pid 5264] close(28) = -1 EBADF (Bad file descriptor) [pid 5264] close(29) = -1 EBADF (Bad file descriptor) [pid 5264] exit_group(0 [pid 5266] <... clone resumed>) = ? [pid 5265] <... futex resumed>) = ? [pid 5264] <... exit_group resumed>) = ? [pid 5266] +++ exited with 0 +++ [pid 5265] +++ exited with 0 +++ [pid 5264] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=254, si_uid=0, si_status=0, si_utime=23 /* 0.23 s */, si_stime=73 /* 0.73 s */} --- [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 258 ./strace-static-x86_64: Process 5268 attached [pid 5268] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5268] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5268] setpgid(0, 0) = 0 [pid 5268] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5268] write(3, "1000", 4) = 4 [pid 5268] close(3) = 0 [pid 5268] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5268] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5268] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5268] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[259], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 259 [pid 5268] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5268] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5269 attached [pid 5269] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5269] memfd_create("syzkaller", 0) = 3 [pid 5269] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5267] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=257, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=40 /* 0.40 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5269] 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"..., 67108864) = 67108864 [pid 5269] munmap(0x7f0f30428000, 67108864) = 0 [pid 5269] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5269] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5269] ioctl(4, LOOP_CLR_FD) = 0 [pid 5269] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5269] close(4) = 0 [pid 5269] close(3) = 0 [pid 5269] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5268] <... futex resumed>) = 0 [pid 5268] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5268] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5269] <... futex resumed>) = 1 [pid 5269] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5268] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5268] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5268] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f34407000 [pid 5268] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5268] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[260], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 260 [pid 5268] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5268] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5269] <... mmap resumed>) = 0x20000000 [pid 5269] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5269] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5270 attached [pid 5270] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5270] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5271 attached [pid 5271] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5268] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5268] close(3) = -1 EBADF (Bad file descriptor) [pid 5268] close(4) = -1 EBADF (Bad file descriptor) [pid 5268] close(5) = -1 EBADF (Bad file descriptor) [pid 5268] close(6) = -1 EBADF (Bad file descriptor) [pid 5268] close(7) = -1 EBADF (Bad file descriptor) [pid 5268] close(8) = -1 EBADF (Bad file descriptor) [pid 5268] close(9) = -1 EBADF (Bad file descriptor) [pid 5268] close(10) = -1 EBADF (Bad file descriptor) [pid 5268] close(11) = -1 EBADF (Bad file descriptor) [pid 5268] close(12) = -1 EBADF (Bad file descriptor) [pid 5268] close(13) = -1 EBADF (Bad file descriptor) [pid 5268] close(14) = -1 EBADF (Bad file descriptor) [pid 5268] close(15) = -1 EBADF (Bad file descriptor) [pid 5268] close(16) = -1 EBADF (Bad file descriptor) [pid 5268] close(17) = -1 EBADF (Bad file descriptor) [pid 5268] close(18) = -1 EBADF (Bad file descriptor) [pid 5268] close(19) = -1 EBADF (Bad file descriptor) [pid 5268] close(20) = -1 EBADF (Bad file descriptor) [pid 5268] close(21) = -1 EBADF (Bad file descriptor) [pid 5268] close(22) = -1 EBADF (Bad file descriptor) [pid 5268] close(23) = -1 EBADF (Bad file descriptor) [pid 5268] close(24) = -1 EBADF (Bad file descriptor) [pid 5268] close(25) = -1 EBADF (Bad file descriptor) [pid 5268] close(26) = -1 EBADF (Bad file descriptor) [pid 5268] close(27) = -1 EBADF (Bad file descriptor) [pid 5268] close(28) = -1 EBADF (Bad file descriptor) [pid 5268] close(29) = -1 EBADF (Bad file descriptor) [pid 5268] exit_group(0 [pid 5270] <... clone resumed>) = ? [pid 5269] <... futex resumed>) = ? [pid 5268] <... exit_group resumed>) = ? [pid 5270] +++ exited with 0 +++ [pid 5269] +++ exited with 0 +++ [pid 5268] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=258, si_uid=0, si_status=0, si_utime=16 /* 0.16 s */, si_stime=73 /* 0.73 s */} --- [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 262 ./strace-static-x86_64: Process 5272 attached [pid 5272] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5272] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5272] setpgid(0, 0) = 0 [pid 5272] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5272] write(3, "1000", 4) = 4 [pid 5272] close(3) = 0 [pid 5272] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5272] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5272] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5272] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[263], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 263 [pid 5272] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5272] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5273 attached [pid 5273] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5273] memfd_create("syzkaller", 0) = 3 [pid 5273] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5271] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=261, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=42 /* 0.42 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5273] 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"..., 67108864) = 67108864 [pid 5273] munmap(0x7f0f30428000, 67108864) = 0 [pid 5273] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5273] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5273] ioctl(4, LOOP_CLR_FD) = 0 [pid 5273] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5273] close(4) = 0 [pid 5273] close(3) = 0 [pid 5273] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5272] <... futex resumed>) = 0 [pid 5272] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5272] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5273] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5272] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5272] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5272] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f34407000 [pid 5272] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5272] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[264], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 264 [pid 5272] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5272] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5273] <... mmap resumed>) = 0x20000000 [pid 5273] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5273] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5274 attached [pid 5274] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5274] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5275 attached [pid 5275] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5272] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5272] close(3) = -1 EBADF (Bad file descriptor) [pid 5272] close(4) = -1 EBADF (Bad file descriptor) [pid 5272] close(5) = -1 EBADF (Bad file descriptor) [pid 5272] close(6) = -1 EBADF (Bad file descriptor) [pid 5272] close(7) = -1 EBADF (Bad file descriptor) [pid 5272] close(8) = -1 EBADF (Bad file descriptor) [pid 5272] close(9) = -1 EBADF (Bad file descriptor) [pid 5272] close(10) = -1 EBADF (Bad file descriptor) [pid 5272] close(11) = -1 EBADF (Bad file descriptor) [pid 5272] close(12) = -1 EBADF (Bad file descriptor) [pid 5272] close(13) = -1 EBADF (Bad file descriptor) [pid 5272] close(14) = -1 EBADF (Bad file descriptor) [pid 5272] close(15) = -1 EBADF (Bad file descriptor) [pid 5272] close(16) = -1 EBADF (Bad file descriptor) [pid 5272] close(17) = -1 EBADF (Bad file descriptor) [pid 5272] close(18) = -1 EBADF (Bad file descriptor) [pid 5272] close(19) = -1 EBADF (Bad file descriptor) [pid 5272] close(20) = -1 EBADF (Bad file descriptor) [pid 5272] close(21) = -1 EBADF (Bad file descriptor) [pid 5272] close(22) = -1 EBADF (Bad file descriptor) [pid 5272] close(23) = -1 EBADF (Bad file descriptor) [pid 5272] close(24) = -1 EBADF (Bad file descriptor) [pid 5272] close(25) = -1 EBADF (Bad file descriptor) [pid 5272] close(26) = -1 EBADF (Bad file descriptor) [pid 5272] close(27) = -1 EBADF (Bad file descriptor) [pid 5272] close(28) = -1 EBADF (Bad file descriptor) [pid 5272] close(29) = -1 EBADF (Bad file descriptor) [pid 5272] exit_group(0 [pid 5274] <... clone resumed>) = ? [pid 5273] <... futex resumed>) = ? [pid 5272] <... exit_group resumed>) = ? [pid 5274] +++ exited with 0 +++ [pid 5273] +++ exited with 0 +++ [pid 5272] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=262, si_uid=0, si_status=0, si_utime=16 /* 0.16 s */, si_stime=78 /* 0.78 s */} --- [pid 5000] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 266 ./strace-static-x86_64: Process 5276 attached [pid 5276] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5276] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5276] setpgid(0, 0) = 0 [pid 5276] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5276] write(3, "1000", 4) = 4 [pid 5276] close(3) = 0 [pid 5276] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5276] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5276] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5276] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[267], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 267 [pid 5276] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5276] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5277 attached [pid 5277] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5277] memfd_create("syzkaller", 0) = 3 [pid 5277] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5277] 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"..., 67108864 [pid 5275] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=265, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=37 /* 0.37 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5277] <... write resumed>) = 67108864 [pid 5277] munmap(0x7f0f30428000, 67108864) = 0 [pid 5277] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5277] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5277] ioctl(4, LOOP_CLR_FD) = 0 [pid 5277] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5277] close(4) = 0 [pid 5277] close(3) = 0 [pid 5277] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5276] <... futex resumed>) = 0 [pid 5276] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5276] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5277] <... futex resumed>) = 1 [pid 5277] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5276] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5276] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5276] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f34407000 [pid 5276] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5276] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[268], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 268 [pid 5276] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5276] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5277] <... mmap resumed>) = 0x20000000 [pid 5277] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5277] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5278 attached [pid 5278] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5278] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5279 attached [pid 5279] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5276] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5276] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5276] close(3) = -1 EBADF (Bad file descriptor) [pid 5276] close(4) = -1 EBADF (Bad file descriptor) [pid 5276] close(5) = -1 EBADF (Bad file descriptor) [pid 5276] close(6) = -1 EBADF (Bad file descriptor) [pid 5276] close(7) = -1 EBADF (Bad file descriptor) [pid 5276] close(8) = -1 EBADF (Bad file descriptor) [pid 5276] close(9) = -1 EBADF (Bad file descriptor) [pid 5276] close(10) = -1 EBADF (Bad file descriptor) [pid 5276] close(11) = -1 EBADF (Bad file descriptor) [pid 5276] close(12) = -1 EBADF (Bad file descriptor) [pid 5276] close(13) = -1 EBADF (Bad file descriptor) [pid 5276] close(14) = -1 EBADF (Bad file descriptor) [pid 5276] close(15) = -1 EBADF (Bad file descriptor) [pid 5276] close(16) = -1 EBADF (Bad file descriptor) [pid 5276] close(17) = -1 EBADF (Bad file descriptor) [pid 5276] close(18) = -1 EBADF (Bad file descriptor) [pid 5276] close(19) = -1 EBADF (Bad file descriptor) [pid 5276] close(20) = -1 EBADF (Bad file descriptor) [pid 5276] close(21) = -1 EBADF (Bad file descriptor) [pid 5276] close(22) = -1 EBADF (Bad file descriptor) [pid 5276] close(23) = -1 EBADF (Bad file descriptor) [pid 5276] close(24) = -1 EBADF (Bad file descriptor) [pid 5276] close(25) = -1 EBADF (Bad file descriptor) [pid 5276] close(26) = -1 EBADF (Bad file descriptor) [pid 5276] close(27) = -1 EBADF (Bad file descriptor) [pid 5276] close(28) = -1 EBADF (Bad file descriptor) [pid 5276] close(29) = -1 EBADF (Bad file descriptor) [pid 5276] exit_group(0) = ? [pid 5277] <... futex resumed>) = ? [pid 5278] <... clone resumed>) = ? [pid 5277] +++ exited with 0 +++ [pid 5278] +++ exited with 0 +++ [pid 5276] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=266, si_uid=0, si_status=0, si_utime=14 /* 0.14 s */, si_stime=75 /* 0.75 s */} --- [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 270 ./strace-static-x86_64: Process 5280 attached [pid 5280] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5280] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5280] setpgid(0, 0) = 0 [pid 5280] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5280] write(3, "1000", 4) = 4 [pid 5280] close(3) = 0 [pid 5280] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5280] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5280] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5280] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[271], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 271 [pid 5280] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5280] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5281 attached [pid 5281] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5281] memfd_create("syzkaller", 0) = 3 [pid 5281] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5279] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=269, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=38 /* 0.38 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5281] 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"..., 67108864) = 67108864 [pid 5281] munmap(0x7f0f30428000, 67108864) = 0 [pid 5281] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5281] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5281] ioctl(4, LOOP_CLR_FD) = 0 [pid 5281] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5281] close(4) = 0 [pid 5281] close(3) = 0 [pid 5281] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5280] <... futex resumed>) = 0 [pid 5280] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5280] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5281] <... futex resumed>) = 1 [pid 5281] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5280] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5280] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5280] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f34407000 [pid 5280] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5280] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[272], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 272 [pid 5280] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5280] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5281] <... mmap resumed>) = 0x20000000 [pid 5281] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5281] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5282 attached [pid 5282] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5282] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5283 attached [pid 5283] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5280] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5280] close(3) = -1 EBADF (Bad file descriptor) [pid 5280] close(4) = -1 EBADF (Bad file descriptor) [pid 5280] close(5) = -1 EBADF (Bad file descriptor) [pid 5280] close(6) = -1 EBADF (Bad file descriptor) [pid 5280] close(7) = -1 EBADF (Bad file descriptor) [pid 5280] close(8) = -1 EBADF (Bad file descriptor) [pid 5280] close(9) = -1 EBADF (Bad file descriptor) [pid 5280] close(10) = -1 EBADF (Bad file descriptor) [pid 5280] close(11) = -1 EBADF (Bad file descriptor) [pid 5280] close(12) = -1 EBADF (Bad file descriptor) [pid 5280] close(13) = -1 EBADF (Bad file descriptor) [pid 5280] close(14) = -1 EBADF (Bad file descriptor) [pid 5280] close(15) = -1 EBADF (Bad file descriptor) [pid 5280] close(16) = -1 EBADF (Bad file descriptor) [pid 5280] close(17) = -1 EBADF (Bad file descriptor) [pid 5280] close(18) = -1 EBADF (Bad file descriptor) [pid 5280] close(19) = -1 EBADF (Bad file descriptor) [pid 5280] close(20) = -1 EBADF (Bad file descriptor) [pid 5280] close(21) = -1 EBADF (Bad file descriptor) [pid 5280] close(22) = -1 EBADF (Bad file descriptor) [pid 5280] close(23) = -1 EBADF (Bad file descriptor) [pid 5280] close(24) = -1 EBADF (Bad file descriptor) [pid 5280] close(25) = -1 EBADF (Bad file descriptor) [pid 5280] close(26) = -1 EBADF (Bad file descriptor) [pid 5280] close(27) = -1 EBADF (Bad file descriptor) [pid 5280] close(28) = -1 EBADF (Bad file descriptor) [pid 5280] close(29) = -1 EBADF (Bad file descriptor) [pid 5280] exit_group(0 [pid 5282] <... clone resumed>) = ? [pid 5281] <... futex resumed>) = ? [pid 5280] <... exit_group resumed>) = ? [pid 5282] +++ exited with 0 +++ [pid 5281] +++ exited with 0 +++ [pid 5280] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=270, si_uid=0, si_status=0, si_utime=10 /* 0.10 s */, si_stime=78 /* 0.78 s */} --- [pid 5000] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 274 ./strace-static-x86_64: Process 5284 attached [pid 5284] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5284] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5284] setpgid(0, 0) = 0 [pid 5284] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5284] write(3, "1000", 4) = 4 [pid 5284] close(3) = 0 [pid 5284] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5284] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5284] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5284] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[275], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 275 [pid 5284] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5284] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5285 attached [pid 5285] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5285] memfd_create("syzkaller", 0) = 3 [pid 5285] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5285] 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"..., 67108864 [pid 5283] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=273, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=43 /* 0.43 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5285] <... write resumed>) = 67108864 [pid 5285] munmap(0x7f0f30428000, 67108864) = 0 [pid 5285] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5285] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5285] ioctl(4, LOOP_CLR_FD) = 0 [pid 5285] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5285] close(4) = 0 [pid 5285] close(3) = 0 [pid 5285] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5284] <... futex resumed>) = 0 [pid 5284] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5284] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5285] <... futex resumed>) = 1 [pid 5285] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5284] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5284] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5284] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f34407000 [pid 5284] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5284] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[276], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 276 [pid 5284] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5284] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5285] <... mmap resumed>) = 0x20000000 [pid 5285] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5285] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5286 attached [pid 5286] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5286] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5287 attached [pid 5287] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5284] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5284] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5284] close(3) = -1 EBADF (Bad file descriptor) [pid 5284] close(4) = -1 EBADF (Bad file descriptor) [pid 5284] close(5) = -1 EBADF (Bad file descriptor) [pid 5284] close(6) = -1 EBADF (Bad file descriptor) [pid 5284] close(7) = -1 EBADF (Bad file descriptor) [pid 5284] close(8) = -1 EBADF (Bad file descriptor) [pid 5284] close(9) = -1 EBADF (Bad file descriptor) [pid 5284] close(10) = -1 EBADF (Bad file descriptor) [pid 5284] close(11) = -1 EBADF (Bad file descriptor) [pid 5284] close(12) = -1 EBADF (Bad file descriptor) [pid 5284] close(13) = -1 EBADF (Bad file descriptor) [pid 5284] close(14) = -1 EBADF (Bad file descriptor) [pid 5284] close(15) = -1 EBADF (Bad file descriptor) [pid 5284] close(16) = -1 EBADF (Bad file descriptor) [pid 5284] close(17) = -1 EBADF (Bad file descriptor) [pid 5284] close(18) = -1 EBADF (Bad file descriptor) [pid 5284] close(19) = -1 EBADF (Bad file descriptor) [pid 5284] close(20) = -1 EBADF (Bad file descriptor) [pid 5284] close(21) = -1 EBADF (Bad file descriptor) [pid 5284] close(22) = -1 EBADF (Bad file descriptor) [pid 5284] close(23) = -1 EBADF (Bad file descriptor) [pid 5284] close(24) = -1 EBADF (Bad file descriptor) [pid 5284] close(25) = -1 EBADF (Bad file descriptor) [pid 5284] close(26) = -1 EBADF (Bad file descriptor) [pid 5284] close(27) = -1 EBADF (Bad file descriptor) [pid 5284] close(28) = -1 EBADF (Bad file descriptor) [pid 5284] close(29) = -1 EBADF (Bad file descriptor) [pid 5284] exit_group(0 [pid 5285] <... futex resumed>) = ? [pid 5286] <... clone resumed>) = ? [pid 5284] <... exit_group resumed>) = ? [pid 5285] +++ exited with 0 +++ [pid 5286] +++ exited with 0 +++ [pid 5284] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=274, si_uid=0, si_status=0, si_utime=17 /* 0.17 s */, si_stime=78 /* 0.78 s */} --- [pid 5000] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 278 ./strace-static-x86_64: Process 5288 attached [pid 5288] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5288] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5288] setpgid(0, 0) = 0 [pid 5288] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5288] write(3, "1000", 4) = 4 [pid 5288] close(3) = 0 [pid 5288] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5288] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5288] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5288] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[279], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 279 [pid 5288] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5288] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5289 attached [pid 5289] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5289] memfd_create("syzkaller", 0) = 3 [pid 5289] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5287] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=277, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=41 /* 0.41 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5289] 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"..., 67108864) = 67108864 [pid 5289] munmap(0x7f0f30428000, 67108864) = 0 [pid 5289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5289] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5289] ioctl(4, LOOP_CLR_FD) = 0 [pid 5289] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5289] close(4) = 0 [pid 5289] close(3) = 0 [pid 5289] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5288] <... futex resumed>) = 0 [pid 5288] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5288] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5289] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5288] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5288] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5288] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5288] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5289] <... mmap resumed>) = 0x20000000 [pid 5288] <... mmap resumed>) = 0x7f0f34407000 [pid 5289] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5288] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE [pid 5289] <... futex resumed>) = 0 [pid 5288] <... mprotect resumed>) = 0 [pid 5288] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[280], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 280 [pid 5288] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5288] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5289] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5290 attached [pid 5290] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5290] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5291 attached [pid 5291] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5288] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5288] close(3) = -1 EBADF (Bad file descriptor) [pid 5288] close(4) = -1 EBADF (Bad file descriptor) [pid 5288] close(5) = -1 EBADF (Bad file descriptor) [pid 5288] close(6) = -1 EBADF (Bad file descriptor) [pid 5288] close(7) = -1 EBADF (Bad file descriptor) [pid 5288] close(8) = -1 EBADF (Bad file descriptor) [pid 5288] close(9) = -1 EBADF (Bad file descriptor) [pid 5288] close(10) = -1 EBADF (Bad file descriptor) [pid 5288] close(11) = -1 EBADF (Bad file descriptor) [pid 5288] close(12) = -1 EBADF (Bad file descriptor) [pid 5288] close(13) = -1 EBADF (Bad file descriptor) [pid 5288] close(14) = -1 EBADF (Bad file descriptor) [pid 5288] close(15) = -1 EBADF (Bad file descriptor) [pid 5288] close(16) = -1 EBADF (Bad file descriptor) [pid 5288] close(17) = -1 EBADF (Bad file descriptor) [pid 5288] close(18) = -1 EBADF (Bad file descriptor) [pid 5288] close(19) = -1 EBADF (Bad file descriptor) [pid 5288] close(20) = -1 EBADF (Bad file descriptor) [pid 5288] close(21) = -1 EBADF (Bad file descriptor) [pid 5288] close(22) = -1 EBADF (Bad file descriptor) [pid 5288] close(23) = -1 EBADF (Bad file descriptor) [pid 5288] close(24) = -1 EBADF (Bad file descriptor) [pid 5288] close(25) = -1 EBADF (Bad file descriptor) [pid 5288] close(26) = -1 EBADF (Bad file descriptor) [pid 5288] close(27) = -1 EBADF (Bad file descriptor) [pid 5288] close(28) = -1 EBADF (Bad file descriptor) [pid 5288] close(29) = -1 EBADF (Bad file descriptor) [pid 5288] exit_group(0 [pid 5290] <... clone resumed>) = ? [pid 5289] <... futex resumed>) = ? [pid 5288] <... exit_group resumed>) = ? [pid 5290] +++ exited with 0 +++ [pid 5289] +++ exited with 0 +++ [pid 5288] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=278, si_uid=0, si_status=0, si_utime=11 /* 0.11 s */, si_stime=79 /* 0.79 s */} --- [pid 5000] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 282 ./strace-static-x86_64: Process 5292 attached [pid 5292] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5292] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5292] setpgid(0, 0) = 0 [pid 5292] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5292] write(3, "1000", 4) = 4 [pid 5292] close(3) = 0 [pid 5292] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5292] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5292] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5292] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[283], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 283 [pid 5292] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5292] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5293 attached [pid 5293] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5293] memfd_create("syzkaller", 0) = 3 [pid 5293] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5293] 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"..., 67108864 [pid 5291] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=281, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=38 /* 0.38 s */} --- [pid 5293] <... write resumed>) = 67108864 [pid 5293] munmap(0x7f0f30428000, 67108864) = 0 [pid 5293] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5293] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5293] ioctl(4, LOOP_CLR_FD) = 0 [pid 5293] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5293] close(4) = 0 [pid 5293] close(3) = 0 [pid 5293] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5292] <... futex resumed>) = 0 [pid 5292] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5292] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5293] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5292] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5292] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5292] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5293] <... mmap resumed>) = 0x20000000 [pid 5292] <... mmap resumed>) = 0x7f0f34407000 [pid 5292] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5292] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5293] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5292] <... clone resumed>, parent_tid=[284], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 284 [pid 5292] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5292] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5293] <... futex resumed>) = 0 [pid 5293] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5294 attached [pid 5294] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5294] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5295 attached [pid 5295] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5292] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5292] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5292] close(3) = -1 EBADF (Bad file descriptor) [pid 5292] close(4) = -1 EBADF (Bad file descriptor) [pid 5292] close(5) = -1 EBADF (Bad file descriptor) [pid 5292] close(6) = -1 EBADF (Bad file descriptor) [pid 5292] close(7) = -1 EBADF (Bad file descriptor) [pid 5292] close(8) = -1 EBADF (Bad file descriptor) [pid 5292] close(9) = -1 EBADF (Bad file descriptor) [pid 5292] close(10) = -1 EBADF (Bad file descriptor) [pid 5292] close(11) = -1 EBADF (Bad file descriptor) [pid 5292] close(12) = -1 EBADF (Bad file descriptor) [pid 5292] close(13) = -1 EBADF (Bad file descriptor) [pid 5292] close(14) = -1 EBADF (Bad file descriptor) [pid 5292] close(15) = -1 EBADF (Bad file descriptor) [pid 5292] close(16) = -1 EBADF (Bad file descriptor) [pid 5292] close(17) = -1 EBADF (Bad file descriptor) [pid 5292] close(18) = -1 EBADF (Bad file descriptor) [pid 5292] close(19) = -1 EBADF (Bad file descriptor) [pid 5292] close(20) = -1 EBADF (Bad file descriptor) [pid 5292] close(21) = -1 EBADF (Bad file descriptor) [pid 5292] close(22) = -1 EBADF (Bad file descriptor) [pid 5292] close(23) = -1 EBADF (Bad file descriptor) [pid 5292] close(24) = -1 EBADF (Bad file descriptor) [pid 5292] close(25) = -1 EBADF (Bad file descriptor) [pid 5292] close(26) = -1 EBADF (Bad file descriptor) [pid 5292] close(27) = -1 EBADF (Bad file descriptor) [pid 5292] close(28) = -1 EBADF (Bad file descriptor) [pid 5292] close(29) = -1 EBADF (Bad file descriptor) [pid 5292] exit_group(0 [pid 5294] <... clone resumed>) = ? [pid 5293] <... futex resumed>) = ? [pid 5292] <... exit_group resumed>) = ? [pid 5294] +++ exited with 0 +++ [pid 5293] +++ exited with 0 +++ [pid 5292] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=282, si_uid=0, si_status=0, si_utime=14 /* 0.14 s */, si_stime=78 /* 0.78 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 286 ./strace-static-x86_64: Process 5296 attached [pid 5296] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5296] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5296] setpgid(0, 0) = 0 [pid 5296] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5296] write(3, "1000", 4) = 4 [pid 5296] close(3) = 0 [pid 5296] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5296] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5296] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5296] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[287], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 287 [pid 5296] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5296] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5297 attached [pid 5297] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5297] memfd_create("syzkaller", 0) = 3 [pid 5297] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5297] 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"..., 67108864 [pid 5295] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=285, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=38 /* 0.38 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5297] <... write resumed>) = 67108864 [pid 5297] munmap(0x7f0f30428000, 67108864) = 0 [pid 5297] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5297] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5297] ioctl(4, LOOP_CLR_FD) = 0 [pid 5297] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5297] close(4) = 0 [pid 5297] close(3) = 0 [pid 5297] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5296] <... futex resumed>) = 0 [pid 5296] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5296] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5297] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5296] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5296] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5296] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5296] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5297] <... mmap resumed>) = 0x20000000 [pid 5296] <... mmap resumed>) = 0x7f0f34407000 [pid 5296] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5296] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5297] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5296] <... clone resumed>, parent_tid=[288], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 288 [pid 5296] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5296] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5297] <... futex resumed>) = 0 [pid 5297] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5298 attached [pid 5298] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5298] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5299 attached [pid 5299] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5296] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5296] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5296] close(3) = -1 EBADF (Bad file descriptor) [pid 5296] close(4) = -1 EBADF (Bad file descriptor) [pid 5296] close(5) = -1 EBADF (Bad file descriptor) [pid 5296] close(6) = -1 EBADF (Bad file descriptor) [pid 5296] close(7) = -1 EBADF (Bad file descriptor) [pid 5296] close(8) = -1 EBADF (Bad file descriptor) [pid 5296] close(9) = -1 EBADF (Bad file descriptor) [pid 5296] close(10) = -1 EBADF (Bad file descriptor) [pid 5296] close(11) = -1 EBADF (Bad file descriptor) [pid 5296] close(12) = -1 EBADF (Bad file descriptor) [pid 5296] close(13) = -1 EBADF (Bad file descriptor) [pid 5296] close(14) = -1 EBADF (Bad file descriptor) [pid 5296] close(15) = -1 EBADF (Bad file descriptor) [pid 5296] close(16) = -1 EBADF (Bad file descriptor) [pid 5296] close(17) = -1 EBADF (Bad file descriptor) [pid 5296] close(18) = -1 EBADF (Bad file descriptor) [pid 5296] close(19) = -1 EBADF (Bad file descriptor) [pid 5296] close(20) = -1 EBADF (Bad file descriptor) [pid 5296] close(21) = -1 EBADF (Bad file descriptor) [pid 5296] close(22) = -1 EBADF (Bad file descriptor) [pid 5296] close(23) = -1 EBADF (Bad file descriptor) [pid 5296] close(24) = -1 EBADF (Bad file descriptor) [pid 5296] close(25) = -1 EBADF (Bad file descriptor) [pid 5296] close(26) = -1 EBADF (Bad file descriptor) [pid 5296] close(27) = -1 EBADF (Bad file descriptor) [pid 5296] close(28) = -1 EBADF (Bad file descriptor) [pid 5296] close(29) = -1 EBADF (Bad file descriptor) [pid 5296] exit_group(0 [pid 5297] <... futex resumed>) = ? [pid 5298] <... clone resumed>) = ? [pid 5296] <... exit_group resumed>) = ? [pid 5297] +++ exited with 0 +++ [pid 5298] +++ exited with 0 +++ [pid 5296] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=286, si_uid=0, si_status=0, si_utime=13 /* 0.13 s */, si_stime=75 /* 0.75 s */} --- [pid 5000] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 290 ./strace-static-x86_64: Process 5300 attached [pid 5300] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5300] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5300] setpgid(0, 0) = 0 [pid 5300] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5300] write(3, "1000", 4) = 4 [pid 5300] close(3) = 0 [pid 5300] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5300] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5300] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5300] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[291], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 291 [pid 5300] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5300] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5301 attached [pid 5301] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5301] memfd_create("syzkaller", 0) = 3 [pid 5301] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5301] 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"..., 67108864 [pid 5299] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=289, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=35 /* 0.35 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5301] <... write resumed>) = 67108864 [pid 5301] munmap(0x7f0f30428000, 67108864) = 0 [pid 5301] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5301] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5301] ioctl(4, LOOP_CLR_FD) = 0 [pid 5301] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5301] close(4) = 0 [pid 5301] close(3) = 0 [pid 5301] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5300] <... futex resumed>) = 0 [pid 5300] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5300] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5301] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5300] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5300] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5300] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5301] <... mmap resumed>) = 0x20000000 [pid 5300] <... mmap resumed>) = 0x7f0f34407000 [pid 5300] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5300] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5301] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5300] <... clone resumed>, parent_tid=[292], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 292 [pid 5300] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5300] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5301] <... futex resumed>) = 0 [pid 5301] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5302 attached [pid 5302] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5302] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5303 attached [pid 5303] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5300] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5300] close(3) = -1 EBADF (Bad file descriptor) [pid 5300] close(4) = -1 EBADF (Bad file descriptor) [pid 5300] close(5) = -1 EBADF (Bad file descriptor) [pid 5300] close(6) = -1 EBADF (Bad file descriptor) [pid 5300] close(7) = -1 EBADF (Bad file descriptor) [pid 5300] close(8) = -1 EBADF (Bad file descriptor) [pid 5300] close(9) = -1 EBADF (Bad file descriptor) [pid 5300] close(10) = -1 EBADF (Bad file descriptor) [pid 5300] close(11) = -1 EBADF (Bad file descriptor) [pid 5300] close(12) = -1 EBADF (Bad file descriptor) [pid 5300] close(13) = -1 EBADF (Bad file descriptor) [pid 5300] close(14) = -1 EBADF (Bad file descriptor) [pid 5300] close(15) = -1 EBADF (Bad file descriptor) [pid 5300] close(16) = -1 EBADF (Bad file descriptor) [pid 5300] close(17) = -1 EBADF (Bad file descriptor) [pid 5300] close(18) = -1 EBADF (Bad file descriptor) [pid 5300] close(19) = -1 EBADF (Bad file descriptor) [pid 5300] close(20) = -1 EBADF (Bad file descriptor) [pid 5300] close(21) = -1 EBADF (Bad file descriptor) [pid 5300] close(22) = -1 EBADF (Bad file descriptor) [pid 5300] close(23) = -1 EBADF (Bad file descriptor) [pid 5300] close(24) = -1 EBADF (Bad file descriptor) [pid 5300] close(25) = -1 EBADF (Bad file descriptor) [pid 5300] close(26) = -1 EBADF (Bad file descriptor) [pid 5300] close(27) = -1 EBADF (Bad file descriptor) [pid 5300] close(28) = -1 EBADF (Bad file descriptor) [pid 5300] close(29) = -1 EBADF (Bad file descriptor) [pid 5300] exit_group(0 [pid 5302] <... clone resumed>) = ? [pid 5301] <... futex resumed>) = ? [pid 5300] <... exit_group resumed>) = ? [pid 5302] +++ exited with 0 +++ [pid 5301] +++ exited with 0 +++ [pid 5300] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=290, si_uid=0, si_status=0, si_utime=13 /* 0.13 s */, si_stime=86 /* 0.86 s */} --- [pid 5000] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 294 ./strace-static-x86_64: Process 5304 attached [pid 5304] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5304] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5304] setpgid(0, 0) = 0 [pid 5304] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5304] write(3, "1000", 4) = 4 [pid 5304] close(3) = 0 [pid 5304] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5304] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5304] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5304] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[295], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 295 [pid 5304] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5304] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5305 attached [pid 5305] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5305] memfd_create("syzkaller", 0) = 3 [pid 5305] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5303] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=293, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=37 /* 0.37 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5305] 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"..., 67108864) = 67108864 [pid 5305] munmap(0x7f0f30428000, 67108864) = 0 [pid 5305] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5305] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5305] ioctl(4, LOOP_CLR_FD) = 0 [pid 5305] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5305] close(4) = 0 [pid 5305] close(3) = 0 [pid 5305] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5304] <... futex resumed>) = 0 [pid 5304] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5304] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5305] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5304] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5304] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5304] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5304] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5305] <... mmap resumed>) = 0x20000000 [pid 5304] <... mmap resumed>) = 0x7f0f34407000 [pid 5304] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5304] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5305] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5304] <... clone resumed>, parent_tid=[296], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 296 [pid 5304] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5304] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5305] <... futex resumed>) = 0 [pid 5305] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5306 attached [pid 5306] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5306] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5307 attached [pid 5307] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5304] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5304] close(3) = -1 EBADF (Bad file descriptor) [pid 5304] close(4) = -1 EBADF (Bad file descriptor) [pid 5304] close(5) = -1 EBADF (Bad file descriptor) [pid 5304] close(6) = -1 EBADF (Bad file descriptor) [pid 5304] close(7) = -1 EBADF (Bad file descriptor) [pid 5304] close(8) = -1 EBADF (Bad file descriptor) [pid 5304] close(9) = -1 EBADF (Bad file descriptor) [pid 5304] close(10) = -1 EBADF (Bad file descriptor) [pid 5304] close(11) = -1 EBADF (Bad file descriptor) [pid 5304] close(12) = -1 EBADF (Bad file descriptor) [pid 5304] close(13) = -1 EBADF (Bad file descriptor) [pid 5304] close(14) = -1 EBADF (Bad file descriptor) [pid 5304] close(15) = -1 EBADF (Bad file descriptor) [pid 5304] close(16) = -1 EBADF (Bad file descriptor) [pid 5304] close(17) = -1 EBADF (Bad file descriptor) [pid 5304] close(18) = -1 EBADF (Bad file descriptor) [pid 5304] close(19) = -1 EBADF (Bad file descriptor) [pid 5304] close(20) = -1 EBADF (Bad file descriptor) [pid 5304] close(21) = -1 EBADF (Bad file descriptor) [pid 5304] close(22) = -1 EBADF (Bad file descriptor) [pid 5304] close(23) = -1 EBADF (Bad file descriptor) [pid 5304] close(24) = -1 EBADF (Bad file descriptor) [pid 5304] close(25) = -1 EBADF (Bad file descriptor) [pid 5304] close(26) = -1 EBADF (Bad file descriptor) [pid 5304] close(27) = -1 EBADF (Bad file descriptor) [pid 5304] close(28) = -1 EBADF (Bad file descriptor) [pid 5304] close(29) = -1 EBADF (Bad file descriptor) [pid 5304] exit_group(0 [pid 5306] <... clone resumed>) = ? [pid 5305] <... futex resumed>) = ? [pid 5304] <... exit_group resumed>) = ? [pid 5306] +++ exited with 0 +++ [pid 5305] +++ exited with 0 +++ [pid 5304] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=294, si_uid=0, si_status=0, si_utime=21 /* 0.21 s */, si_stime=80 /* 0.80 s */} --- [pid 5000] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 298 ./strace-static-x86_64: Process 5308 attached [pid 5308] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5308] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5308] setpgid(0, 0) = 0 [pid 5308] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5308] write(3, "1000", 4) = 4 [pid 5308] close(3) = 0 [pid 5308] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5308] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5308] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5308] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[299], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 299 [pid 5308] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5308] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5309 attached [pid 5309] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5309] memfd_create("syzkaller", 0) = 3 [pid 5309] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5307] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=297, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=39 /* 0.39 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5309] 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"..., 67108864) = 67108864 [pid 5309] munmap(0x7f0f30428000, 67108864) = 0 [pid 5309] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5309] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5309] ioctl(4, LOOP_CLR_FD) = 0 [pid 5309] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5309] close(4) = 0 [pid 5309] close(3) = 0 [pid 5309] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5308] <... futex resumed>) = 0 [pid 5308] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5308] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5309] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5308] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5308] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5308] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5308] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5309] <... mmap resumed>) = 0x20000000 [pid 5308] <... mmap resumed>) = 0x7f0f34407000 [pid 5308] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5308] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5309] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5308] <... clone resumed>, parent_tid=[300], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 300 [pid 5308] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5308] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5309] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5310 attached [pid 5310] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5310] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5311 attached [pid 5311] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5308] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5308] close(3) = -1 EBADF (Bad file descriptor) [pid 5308] close(4) = -1 EBADF (Bad file descriptor) [pid 5308] close(5) = -1 EBADF (Bad file descriptor) [pid 5308] close(6) = -1 EBADF (Bad file descriptor) [pid 5308] close(7) = -1 EBADF (Bad file descriptor) [pid 5308] close(8) = -1 EBADF (Bad file descriptor) [pid 5308] close(9) = -1 EBADF (Bad file descriptor) [pid 5308] close(10) = -1 EBADF (Bad file descriptor) [pid 5308] close(11) = -1 EBADF (Bad file descriptor) [pid 5308] close(12) = -1 EBADF (Bad file descriptor) [pid 5308] close(13) = -1 EBADF (Bad file descriptor) [pid 5308] close(14) = -1 EBADF (Bad file descriptor) [pid 5308] close(15) = -1 EBADF (Bad file descriptor) [pid 5308] close(16) = -1 EBADF (Bad file descriptor) [pid 5308] close(17) = -1 EBADF (Bad file descriptor) [pid 5308] close(18) = -1 EBADF (Bad file descriptor) [pid 5308] close(19) = -1 EBADF (Bad file descriptor) [pid 5308] close(20) = -1 EBADF (Bad file descriptor) [pid 5308] close(21) = -1 EBADF (Bad file descriptor) [pid 5308] close(22) = -1 EBADF (Bad file descriptor) [pid 5308] close(23) = -1 EBADF (Bad file descriptor) [pid 5308] close(24) = -1 EBADF (Bad file descriptor) [pid 5308] close(25) = -1 EBADF (Bad file descriptor) [pid 5308] close(26) = -1 EBADF (Bad file descriptor) [pid 5308] close(27) = -1 EBADF (Bad file descriptor) [pid 5308] close(28) = -1 EBADF (Bad file descriptor) [pid 5308] close(29) = -1 EBADF (Bad file descriptor) [pid 5308] exit_group(0 [pid 5310] <... clone resumed>) = ? [pid 5309] <... futex resumed>) = ? [pid 5308] <... exit_group resumed>) = ? [pid 5310] +++ exited with 0 +++ [pid 5309] +++ exited with 0 +++ [pid 5308] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=298, si_uid=0, si_status=0, si_utime=13 /* 0.13 s */, si_stime=75 /* 0.75 s */} --- [pid 5000] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 302 ./strace-static-x86_64: Process 5312 attached [pid 5312] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5312] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5312] setpgid(0, 0) = 0 [pid 5312] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5312] write(3, "1000", 4) = 4 [pid 5312] close(3) = 0 [pid 5312] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5312] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5312] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5312] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[303], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 303 [pid 5312] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5312] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5313 attached [pid 5313] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5313] memfd_create("syzkaller", 0) = 3 [pid 5313] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5311] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=301, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=34 /* 0.34 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5313] 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"..., 67108864) = 67108864 [pid 5313] munmap(0x7f0f30428000, 67108864) = 0 [pid 5313] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5313] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5313] ioctl(4, LOOP_CLR_FD) = 0 [pid 5313] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5313] close(4) = 0 [pid 5313] close(3) = 0 [pid 5313] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5312] <... futex resumed>) = 0 [pid 5312] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5312] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5313] <... futex resumed>) = 1 [pid 5313] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5312] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5312] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5312] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5312] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f34407000 [pid 5312] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5312] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[304], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 304 [pid 5312] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5312] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5313] <... mmap resumed>) = 0x20000000 [pid 5313] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5313] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5314 attached [pid 5314] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5314] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5315 attached [pid 5315] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5312] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5312] close(3) = -1 EBADF (Bad file descriptor) [pid 5312] close(4) = -1 EBADF (Bad file descriptor) [pid 5312] close(5) = -1 EBADF (Bad file descriptor) [pid 5312] close(6) = -1 EBADF (Bad file descriptor) [pid 5312] close(7) = -1 EBADF (Bad file descriptor) [pid 5312] close(8) = -1 EBADF (Bad file descriptor) [pid 5312] close(9) = -1 EBADF (Bad file descriptor) [pid 5312] close(10) = -1 EBADF (Bad file descriptor) [pid 5312] close(11) = -1 EBADF (Bad file descriptor) [pid 5312] close(12) = -1 EBADF (Bad file descriptor) [pid 5312] close(13) = -1 EBADF (Bad file descriptor) [pid 5312] close(14) = -1 EBADF (Bad file descriptor) [pid 5312] close(15) = -1 EBADF (Bad file descriptor) [pid 5312] close(16) = -1 EBADF (Bad file descriptor) [pid 5312] close(17) = -1 EBADF (Bad file descriptor) [pid 5312] close(18) = -1 EBADF (Bad file descriptor) [pid 5312] close(19) = -1 EBADF (Bad file descriptor) [pid 5312] close(20) = -1 EBADF (Bad file descriptor) [pid 5312] close(21) = -1 EBADF (Bad file descriptor) [pid 5312] close(22) = -1 EBADF (Bad file descriptor) [pid 5312] close(23) = -1 EBADF (Bad file descriptor) [pid 5312] close(24) = -1 EBADF (Bad file descriptor) [pid 5312] close(25) = -1 EBADF (Bad file descriptor) [pid 5312] close(26) = -1 EBADF (Bad file descriptor) [pid 5312] close(27) = -1 EBADF (Bad file descriptor) [pid 5312] close(28) = -1 EBADF (Bad file descriptor) [pid 5312] close(29) = -1 EBADF (Bad file descriptor) [pid 5312] exit_group(0 [pid 5314] <... clone resumed>) = ? [pid 5313] <... futex resumed>) = ? [pid 5312] <... exit_group resumed>) = ? [pid 5314] +++ exited with 0 +++ [pid 5313] +++ exited with 0 +++ [pid 5312] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=302, si_uid=0, si_status=0, si_utime=14 /* 0.14 s */, si_stime=78 /* 0.78 s */} --- [pid 5000] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 306 ./strace-static-x86_64: Process 5316 attached [pid 5316] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5316] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5316] setpgid(0, 0) = 0 [pid 5316] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5316] write(3, "1000", 4) = 4 [pid 5316] close(3) = 0 [pid 5316] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5316] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5316] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5316] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[307], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 307 [pid 5316] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5316] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5317 attached [pid 5317] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5317] memfd_create("syzkaller", 0) = 3 [pid 5317] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5315] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=305, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=38 /* 0.38 s */} --- [pid 5317] 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"..., 67108864) = 67108864 [pid 5317] munmap(0x7f0f30428000, 67108864) = 0 [pid 5317] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5317] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5317] ioctl(4, LOOP_CLR_FD) = 0 [pid 5317] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5317] close(4) = 0 [pid 5317] close(3) = 0 [pid 5317] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5316] <... futex resumed>) = 0 [pid 5316] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5316] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5317] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5316] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5316] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5316] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5316] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5317] <... mmap resumed>) = 0x20000000 [pid 5316] <... mmap resumed>) = 0x7f0f34407000 [pid 5316] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE [pid 5317] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5316] <... mprotect resumed>) = 0 [pid 5316] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5317] <... futex resumed>) = 0 [pid 5316] <... clone resumed>, parent_tid=[308], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 308 [pid 5316] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5316] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5317] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5318 attached [pid 5318] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5318] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5319 attached [pid 5319] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5316] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5316] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5316] close(3) = -1 EBADF (Bad file descriptor) [pid 5316] close(4) = -1 EBADF (Bad file descriptor) [pid 5316] close(5) = -1 EBADF (Bad file descriptor) [pid 5316] close(6) = -1 EBADF (Bad file descriptor) [pid 5316] close(7) = -1 EBADF (Bad file descriptor) [pid 5316] close(8) = -1 EBADF (Bad file descriptor) [pid 5316] close(9) = -1 EBADF (Bad file descriptor) [pid 5316] close(10) = -1 EBADF (Bad file descriptor) [pid 5316] close(11) = -1 EBADF (Bad file descriptor) [pid 5316] close(12) = -1 EBADF (Bad file descriptor) [pid 5316] close(13) = -1 EBADF (Bad file descriptor) [pid 5316] close(14) = -1 EBADF (Bad file descriptor) [pid 5316] close(15) = -1 EBADF (Bad file descriptor) [pid 5316] close(16) = -1 EBADF (Bad file descriptor) [pid 5316] close(17) = -1 EBADF (Bad file descriptor) [pid 5316] close(18) = -1 EBADF (Bad file descriptor) [pid 5316] close(19) = -1 EBADF (Bad file descriptor) [pid 5316] close(20) = -1 EBADF (Bad file descriptor) [pid 5316] close(21) = -1 EBADF (Bad file descriptor) [pid 5316] close(22) = -1 EBADF (Bad file descriptor) [pid 5316] close(23) = -1 EBADF (Bad file descriptor) [pid 5316] close(24) = -1 EBADF (Bad file descriptor) [pid 5316] close(25) = -1 EBADF (Bad file descriptor) [pid 5316] close(26) = -1 EBADF (Bad file descriptor) [pid 5316] close(27) = -1 EBADF (Bad file descriptor) [pid 5316] close(28) = -1 EBADF (Bad file descriptor) [pid 5316] close(29) = -1 EBADF (Bad file descriptor) [pid 5316] exit_group(0 [pid 5318] <... clone resumed>) = ? [pid 5317] <... futex resumed>) = ? [pid 5316] <... exit_group resumed>) = ? [pid 5318] +++ exited with 0 +++ [pid 5317] +++ exited with 0 +++ [pid 5316] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=306, si_uid=0, si_status=0, si_utime=17 /* 0.17 s */, si_stime=76 /* 0.76 s */} --- [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 310 ./strace-static-x86_64: Process 5320 attached [pid 5320] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5320] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5320] setpgid(0, 0) = 0 [pid 5320] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5320] write(3, "1000", 4) = 4 [pid 5320] close(3) = 0 [pid 5320] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5320] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5320] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5320] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[311], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 311 [pid 5320] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5320] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5321 attached [pid 5321] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5321] memfd_create("syzkaller", 0) = 3 [pid 5321] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5319] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=309, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=38 /* 0.38 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5321] 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"..., 67108864) = 67108864 [pid 5321] munmap(0x7f0f30428000, 67108864) = 0 [pid 5321] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5321] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5321] ioctl(4, LOOP_CLR_FD) = 0 [pid 5321] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5321] close(4) = 0 [pid 5321] close(3) = 0 [pid 5321] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5320] <... futex resumed>) = 0 [pid 5320] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5320] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5321] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5320] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5320] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5320] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5321] <... mmap resumed>) = 0x20000000 [pid 5320] <... mmap resumed>) = 0x7f0f34407000 [pid 5320] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE [pid 5321] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5320] <... mprotect resumed>) = 0 [pid 5320] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5321] <... futex resumed>) = 0 [pid 5321] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5320] <... clone resumed>, parent_tid=[312], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 312 [pid 5320] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5320] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5322 attached [pid 5322] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5322] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5323 attached [pid 5323] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5320] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5320] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5320] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5320] close(3) = -1 EBADF (Bad file descriptor) [pid 5320] close(4) = -1 EBADF (Bad file descriptor) [pid 5320] close(5) = -1 EBADF (Bad file descriptor) [pid 5320] close(6) = -1 EBADF (Bad file descriptor) [pid 5320] close(7) = -1 EBADF (Bad file descriptor) [pid 5320] close(8) = -1 EBADF (Bad file descriptor) [pid 5320] close(9) = -1 EBADF (Bad file descriptor) [pid 5320] close(10) = -1 EBADF (Bad file descriptor) [pid 5320] close(11) = -1 EBADF (Bad file descriptor) [pid 5320] close(12) = -1 EBADF (Bad file descriptor) [pid 5320] close(13) = -1 EBADF (Bad file descriptor) [pid 5320] close(14) = -1 EBADF (Bad file descriptor) [pid 5320] close(15) = -1 EBADF (Bad file descriptor) [pid 5320] close(16) = -1 EBADF (Bad file descriptor) [pid 5320] close(17) = -1 EBADF (Bad file descriptor) [pid 5320] close(18) = -1 EBADF (Bad file descriptor) [pid 5320] close(19) = -1 EBADF (Bad file descriptor) [pid 5320] close(20) = -1 EBADF (Bad file descriptor) [pid 5320] close(21) = -1 EBADF (Bad file descriptor) [pid 5320] close(22) = -1 EBADF (Bad file descriptor) [pid 5320] close(23) = -1 EBADF (Bad file descriptor) [pid 5320] close(24) = -1 EBADF (Bad file descriptor) [pid 5320] close(25) = -1 EBADF (Bad file descriptor) [pid 5320] close(26) = -1 EBADF (Bad file descriptor) [pid 5320] close(27) = -1 EBADF (Bad file descriptor) [pid 5320] close(28) = -1 EBADF (Bad file descriptor) [pid 5320] close(29) = -1 EBADF (Bad file descriptor) [pid 5320] exit_group(0 [pid 5322] <... clone resumed>) = ? [pid 5321] <... futex resumed>) = ? [pid 5320] <... exit_group resumed>) = ? [pid 5322] +++ exited with 0 +++ [pid 5321] +++ exited with 0 +++ [pid 5320] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=310, si_uid=0, si_status=0, si_utime=14 /* 0.14 s */, si_stime=87 /* 0.87 s */} --- [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5324 attached , child_tidptr=0x5555558d65d0) = 314 [pid 5324] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5324] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5324] setpgid(0, 0) = 0 [pid 5324] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5324] write(3, "1000", 4) = 4 [pid 5324] close(3) = 0 [pid 5324] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5324] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5324] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5324] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[315], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 315 [pid 5324] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5324] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5325 attached [pid 5325] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5325] memfd_create("syzkaller", 0) = 3 [pid 5325] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5323] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=313, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=42 /* 0.42 s */} --- [pid 5325] 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"..., 67108864) = 67108864 [pid 5325] munmap(0x7f0f30428000, 67108864) = 0 [pid 5325] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5325] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5325] ioctl(4, LOOP_CLR_FD) = 0 [pid 5325] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5325] close(4) = 0 [pid 5325] close(3) = 0 [pid 5325] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5324] <... futex resumed>) = 0 [pid 5324] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5324] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5325] <... futex resumed>) = 1 [pid 5325] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5324] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5324] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5324] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5324] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f34407000 [pid 5324] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5324] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[316], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 316 [pid 5324] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5324] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5325] <... mmap resumed>) = 0x20000000 [pid 5325] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5325] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5326 attached [pid 5326] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5326] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5327 attached [pid 5327] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5324] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5324] close(3) = -1 EBADF (Bad file descriptor) [pid 5324] close(4) = -1 EBADF (Bad file descriptor) [pid 5324] close(5) = -1 EBADF (Bad file descriptor) [pid 5324] close(6) = -1 EBADF (Bad file descriptor) [pid 5324] close(7) = -1 EBADF (Bad file descriptor) [pid 5324] close(8) = -1 EBADF (Bad file descriptor) [pid 5324] close(9) = -1 EBADF (Bad file descriptor) [pid 5324] close(10) = -1 EBADF (Bad file descriptor) [pid 5324] close(11) = -1 EBADF (Bad file descriptor) [pid 5324] close(12) = -1 EBADF (Bad file descriptor) [pid 5324] close(13) = -1 EBADF (Bad file descriptor) [pid 5324] close(14) = -1 EBADF (Bad file descriptor) [pid 5324] close(15) = -1 EBADF (Bad file descriptor) [pid 5324] close(16) = -1 EBADF (Bad file descriptor) [pid 5324] close(17) = -1 EBADF (Bad file descriptor) [pid 5324] close(18) = -1 EBADF (Bad file descriptor) [pid 5324] close(19) = -1 EBADF (Bad file descriptor) [pid 5324] close(20) = -1 EBADF (Bad file descriptor) [pid 5324] close(21) = -1 EBADF (Bad file descriptor) [pid 5324] close(22) = -1 EBADF (Bad file descriptor) [pid 5324] close(23) = -1 EBADF (Bad file descriptor) [pid 5324] close(24) = -1 EBADF (Bad file descriptor) [pid 5324] close(25) = -1 EBADF (Bad file descriptor) [pid 5324] close(26) = -1 EBADF (Bad file descriptor) [pid 5324] close(27) = -1 EBADF (Bad file descriptor) [pid 5324] close(28) = -1 EBADF (Bad file descriptor) [pid 5324] close(29) = -1 EBADF (Bad file descriptor) [pid 5324] exit_group(0 [pid 5326] <... clone resumed>) = ? [pid 5325] <... futex resumed>) = ? [pid 5324] <... exit_group resumed>) = ? [pid 5326] +++ exited with 0 +++ [pid 5325] +++ exited with 0 +++ [pid 5324] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=314, si_uid=0, si_status=0, si_utime=13 /* 0.13 s */, si_stime=76 /* 0.76 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 318 ./strace-static-x86_64: Process 5328 attached [pid 5328] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5328] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5328] setpgid(0, 0) = 0 [pid 5328] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5328] write(3, "1000", 4) = 4 [pid 5328] close(3) = 0 [pid 5328] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5328] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5328] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5328] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[319], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 319 [pid 5328] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5328] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5329 attached [pid 5329] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5329] memfd_create("syzkaller", 0) = 3 [pid 5329] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5327] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=317, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=35 /* 0.35 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5329] 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"..., 67108864) = 67108864 [pid 5329] munmap(0x7f0f30428000, 67108864) = 0 [pid 5329] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5329] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5329] ioctl(4, LOOP_CLR_FD) = 0 [pid 5329] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5329] close(4) = 0 [pid 5329] close(3) = 0 [pid 5329] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5328] <... futex resumed>) = 0 [pid 5328] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5328] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5329] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5328] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5328] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5328] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5329] <... mmap resumed>) = 0x20000000 [pid 5328] <... mmap resumed>) = 0x7f0f34407000 [pid 5328] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5328] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5329] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5328] <... clone resumed>, parent_tid=[320], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 320 [pid 5328] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5328] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5329] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5330 attached [pid 5330] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5330] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5331 attached [pid 5331] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5328] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5328] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5328] close(3) = -1 EBADF (Bad file descriptor) [pid 5328] close(4) = -1 EBADF (Bad file descriptor) [pid 5328] close(5) = -1 EBADF (Bad file descriptor) [pid 5328] close(6) = -1 EBADF (Bad file descriptor) [pid 5328] close(7) = -1 EBADF (Bad file descriptor) [pid 5328] close(8) = -1 EBADF (Bad file descriptor) [pid 5328] close(9) = -1 EBADF (Bad file descriptor) [pid 5328] close(10) = -1 EBADF (Bad file descriptor) [pid 5328] close(11) = -1 EBADF (Bad file descriptor) [pid 5328] close(12) = -1 EBADF (Bad file descriptor) [pid 5328] close(13) = -1 EBADF (Bad file descriptor) [pid 5328] close(14) = -1 EBADF (Bad file descriptor) [pid 5328] close(15) = -1 EBADF (Bad file descriptor) [pid 5328] close(16) = -1 EBADF (Bad file descriptor) [pid 5328] close(17) = -1 EBADF (Bad file descriptor) [pid 5328] close(18) = -1 EBADF (Bad file descriptor) [pid 5328] close(19) = -1 EBADF (Bad file descriptor) [pid 5328] close(20) = -1 EBADF (Bad file descriptor) [pid 5328] close(21) = -1 EBADF (Bad file descriptor) [pid 5328] close(22) = -1 EBADF (Bad file descriptor) [pid 5328] close(23) = -1 EBADF (Bad file descriptor) [pid 5328] close(24) = -1 EBADF (Bad file descriptor) [pid 5328] close(25) = -1 EBADF (Bad file descriptor) [pid 5328] close(26) = -1 EBADF (Bad file descriptor) [pid 5328] close(27) = -1 EBADF (Bad file descriptor) [pid 5328] close(28) = -1 EBADF (Bad file descriptor) [pid 5328] close(29) = -1 EBADF (Bad file descriptor) [pid 5328] exit_group(0 [pid 5330] <... clone resumed>) = ? [pid 5329] <... futex resumed>) = ? [pid 5328] <... exit_group resumed>) = ? [pid 5330] +++ exited with 0 +++ [pid 5329] +++ exited with 0 +++ [pid 5328] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=318, si_uid=0, si_status=0, si_utime=14 /* 0.14 s */, si_stime=79 /* 0.79 s */} --- [pid 5000] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 322 ./strace-static-x86_64: Process 5332 attached [pid 5332] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5332] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5332] setpgid(0, 0) = 0 [pid 5332] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5332] write(3, "1000", 4) = 4 [pid 5332] close(3) = 0 [pid 5332] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5332] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5332] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5332] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[323], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 323 [pid 5332] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5332] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5333 attached [pid 5333] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5333] memfd_create("syzkaller", 0) = 3 [pid 5333] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5331] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=321, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=39 /* 0.39 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5333] 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"..., 67108864) = 67108864 [pid 5333] munmap(0x7f0f30428000, 67108864) = 0 [pid 5333] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5333] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5333] ioctl(4, LOOP_CLR_FD) = 0 [pid 5333] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5333] close(4) = 0 [pid 5333] close(3) = 0 [pid 5333] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5332] <... futex resumed>) = 0 [pid 5332] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5332] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5333] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5332] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5332] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5332] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5332] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5333] <... mmap resumed>) = 0x20000000 [pid 5332] <... mmap resumed>) = 0x7f0f34407000 [pid 5332] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE [pid 5333] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5332] <... mprotect resumed>) = 0 [pid 5333] <... futex resumed>) = 0 [pid 5332] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5333] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5332] <... clone resumed>, parent_tid=[324], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 324 [pid 5332] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5332] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5334 attached [pid 5334] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5334] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5335 attached [pid 5335] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5332] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5332] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5332] close(3) = -1 EBADF (Bad file descriptor) [pid 5332] close(4) = -1 EBADF (Bad file descriptor) [pid 5332] close(5) = -1 EBADF (Bad file descriptor) [pid 5332] close(6) = -1 EBADF (Bad file descriptor) [pid 5332] close(7) = -1 EBADF (Bad file descriptor) [pid 5332] close(8) = -1 EBADF (Bad file descriptor) [pid 5332] close(9) = -1 EBADF (Bad file descriptor) [pid 5332] close(10) = -1 EBADF (Bad file descriptor) [pid 5332] close(11) = -1 EBADF (Bad file descriptor) [pid 5332] close(12) = -1 EBADF (Bad file descriptor) [pid 5332] close(13) = -1 EBADF (Bad file descriptor) [pid 5332] close(14) = -1 EBADF (Bad file descriptor) [pid 5332] close(15) = -1 EBADF (Bad file descriptor) [pid 5332] close(16) = -1 EBADF (Bad file descriptor) [pid 5332] close(17) = -1 EBADF (Bad file descriptor) [pid 5332] close(18) = -1 EBADF (Bad file descriptor) [pid 5332] close(19) = -1 EBADF (Bad file descriptor) [pid 5332] close(20) = -1 EBADF (Bad file descriptor) [pid 5332] close(21) = -1 EBADF (Bad file descriptor) [pid 5332] close(22) = -1 EBADF (Bad file descriptor) [pid 5332] close(23) = -1 EBADF (Bad file descriptor) [pid 5332] close(24) = -1 EBADF (Bad file descriptor) [pid 5332] close(25) = -1 EBADF (Bad file descriptor) [pid 5332] close(26) = -1 EBADF (Bad file descriptor) [pid 5332] close(27) = -1 EBADF (Bad file descriptor) [pid 5332] close(28) = -1 EBADF (Bad file descriptor) [pid 5332] close(29) = -1 EBADF (Bad file descriptor) [pid 5332] exit_group(0 [pid 5334] <... clone resumed>) = ? [pid 5333] <... futex resumed>) = ? [pid 5332] <... exit_group resumed>) = ? [pid 5334] +++ exited with 0 +++ [pid 5333] +++ exited with 0 +++ [pid 5332] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=322, si_uid=0, si_status=0, si_utime=11 /* 0.11 s */, si_stime=84 /* 0.84 s */} --- [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 326 ./strace-static-x86_64: Process 5336 attached [pid 5336] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5336] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5336] setpgid(0, 0) = 0 [pid 5336] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5336] write(3, "1000", 4) = 4 [pid 5336] close(3) = 0 [pid 5336] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5336] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5336] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5336] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[327], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 327 [pid 5336] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5336] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5337 attached [pid 5337] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5337] memfd_create("syzkaller", 0) = 3 [pid 5337] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5335] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=325, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=38 /* 0.38 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5337] 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"..., 67108864) = 67108864 [pid 5337] munmap(0x7f0f30428000, 67108864) = 0 [pid 5337] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5337] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5337] ioctl(4, LOOP_CLR_FD) = 0 [pid 5337] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5337] close(4) = 0 [pid 5337] close(3) = 0 [pid 5337] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5336] <... futex resumed>) = 0 [pid 5336] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5336] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5337] <... futex resumed>) = 1 [pid 5337] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5336] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5336] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5336] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f34407000 [pid 5336] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5336] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[328], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 328 [pid 5336] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5336] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5337] <... mmap resumed>) = 0x20000000 [pid 5337] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5337] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5338 attached [pid 5338] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5338] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5339 attached [pid 5339] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5336] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5336] close(3) = -1 EBADF (Bad file descriptor) [pid 5336] close(4) = -1 EBADF (Bad file descriptor) [pid 5336] close(5) = -1 EBADF (Bad file descriptor) [pid 5336] close(6) = -1 EBADF (Bad file descriptor) [pid 5336] close(7) = -1 EBADF (Bad file descriptor) [pid 5336] close(8) = -1 EBADF (Bad file descriptor) [pid 5336] close(9) = -1 EBADF (Bad file descriptor) [pid 5336] close(10) = -1 EBADF (Bad file descriptor) [pid 5336] close(11) = -1 EBADF (Bad file descriptor) [pid 5336] close(12) = -1 EBADF (Bad file descriptor) [pid 5336] close(13) = -1 EBADF (Bad file descriptor) [pid 5336] close(14) = -1 EBADF (Bad file descriptor) [pid 5336] close(15) = -1 EBADF (Bad file descriptor) [pid 5336] close(16) = -1 EBADF (Bad file descriptor) [pid 5336] close(17) = -1 EBADF (Bad file descriptor) [pid 5336] close(18) = -1 EBADF (Bad file descriptor) [pid 5336] close(19) = -1 EBADF (Bad file descriptor) [pid 5336] close(20) = -1 EBADF (Bad file descriptor) [pid 5336] close(21) = -1 EBADF (Bad file descriptor) [pid 5336] close(22) = -1 EBADF (Bad file descriptor) [pid 5336] close(23) = -1 EBADF (Bad file descriptor) [pid 5336] close(24) = -1 EBADF (Bad file descriptor) [pid 5336] close(25) = -1 EBADF (Bad file descriptor) [pid 5336] close(26) = -1 EBADF (Bad file descriptor) [pid 5336] close(27) = -1 EBADF (Bad file descriptor) [pid 5336] close(28) = -1 EBADF (Bad file descriptor) [pid 5336] close(29) = -1 EBADF (Bad file descriptor) [pid 5336] exit_group(0 [pid 5338] <... clone resumed>) = ? [pid 5337] <... futex resumed>) = ? [pid 5336] <... exit_group resumed>) = ? [pid 5338] +++ exited with 0 +++ [pid 5337] +++ exited with 0 +++ [pid 5336] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=326, si_uid=0, si_status=0, si_utime=13 /* 0.13 s */, si_stime=81 /* 0.81 s */} --- [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 330 ./strace-static-x86_64: Process 5340 attached [pid 5340] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5340] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5340] setpgid(0, 0) = 0 [pid 5340] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5340] write(3, "1000", 4) = 4 [pid 5340] close(3) = 0 [pid 5340] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5340] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5340] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5340] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[331], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 331 [pid 5340] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5340] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5341 attached [pid 5341] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5341] memfd_create("syzkaller", 0) = 3 [pid 5341] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5341] 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"..., 67108864 [pid 5339] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=329, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=43 /* 0.43 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5341] <... write resumed>) = 67108864 [pid 5341] munmap(0x7f0f30428000, 67108864) = 0 [pid 5341] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5341] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5341] ioctl(4, LOOP_CLR_FD) = 0 [pid 5341] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5341] close(4) = 0 [pid 5341] close(3) = 0 [pid 5341] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5340] <... futex resumed>) = 0 [pid 5340] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5340] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5341] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5340] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5340] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5340] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5341] <... mmap resumed>) = 0x20000000 [pid 5340] <... mmap resumed>) = 0x7f0f34407000 [pid 5340] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE [pid 5341] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5340] <... mprotect resumed>) = 0 [pid 5340] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5341] <... futex resumed>) = 0 [pid 5341] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5340] <... clone resumed>, parent_tid=[332], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 332 [pid 5340] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5340] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5342 attached [pid 5342] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5342] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5343 attached [pid 5343] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5340] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5340] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5340] close(3) = -1 EBADF (Bad file descriptor) [pid 5340] close(4) = -1 EBADF (Bad file descriptor) [pid 5340] close(5) = -1 EBADF (Bad file descriptor) [pid 5340] close(6) = -1 EBADF (Bad file descriptor) [pid 5340] close(7) = -1 EBADF (Bad file descriptor) [pid 5340] close(8) = -1 EBADF (Bad file descriptor) [pid 5340] close(9) = -1 EBADF (Bad file descriptor) [pid 5340] close(10) = -1 EBADF (Bad file descriptor) [pid 5340] close(11) = -1 EBADF (Bad file descriptor) [pid 5340] close(12) = -1 EBADF (Bad file descriptor) [pid 5340] close(13) = -1 EBADF (Bad file descriptor) [pid 5340] close(14) = -1 EBADF (Bad file descriptor) [pid 5340] close(15) = -1 EBADF (Bad file descriptor) [pid 5340] close(16) = -1 EBADF (Bad file descriptor) [pid 5340] close(17) = -1 EBADF (Bad file descriptor) [pid 5340] close(18) = -1 EBADF (Bad file descriptor) [pid 5340] close(19) = -1 EBADF (Bad file descriptor) [pid 5340] close(20) = -1 EBADF (Bad file descriptor) [pid 5340] close(21) = -1 EBADF (Bad file descriptor) [pid 5340] close(22) = -1 EBADF (Bad file descriptor) [pid 5340] close(23) = -1 EBADF (Bad file descriptor) [pid 5340] close(24) = -1 EBADF (Bad file descriptor) [pid 5340] close(25) = -1 EBADF (Bad file descriptor) [pid 5340] close(26) = -1 EBADF (Bad file descriptor) [pid 5340] close(27) = -1 EBADF (Bad file descriptor) [pid 5340] close(28) = -1 EBADF (Bad file descriptor) [pid 5340] close(29) = -1 EBADF (Bad file descriptor) [pid 5340] exit_group(0 [pid 5342] <... clone resumed>) = ? [pid 5341] <... futex resumed>) = ? [pid 5340] <... exit_group resumed>) = ? [pid 5342] +++ exited with 0 +++ [pid 5341] +++ exited with 0 +++ [pid 5340] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=330, si_uid=0, si_status=0, si_utime=13 /* 0.13 s */, si_stime=74 /* 0.74 s */} --- [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 334 ./strace-static-x86_64: Process 5344 attached [pid 5344] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5344] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5344] setpgid(0, 0) = 0 [pid 5344] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5344] write(3, "1000", 4) = 4 [pid 5344] close(3) = 0 [pid 5344] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5344] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5344] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5344] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[335], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 335 [pid 5344] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5344] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5345 attached [pid 5345] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5345] memfd_create("syzkaller", 0) = 3 [pid 5345] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5343] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=333, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=39 /* 0.39 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5345] 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"..., 67108864) = 67108864 [pid 5345] munmap(0x7f0f30428000, 67108864) = 0 [pid 5345] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5345] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5345] ioctl(4, LOOP_CLR_FD) = 0 [pid 5345] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5345] close(4) = 0 [pid 5345] close(3) = 0 [pid 5345] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5344] <... futex resumed>) = 0 [pid 5344] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5344] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5345] <... futex resumed>) = 1 [pid 5345] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5344] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5344] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5344] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f34407000 [pid 5344] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5344] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[336], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 336 [pid 5344] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5344] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5345] <... mmap resumed>) = 0x20000000 [pid 5345] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5345] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5346 attached [pid 5346] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5346] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5347 attached [pid 5347] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5344] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5344] close(3) = -1 EBADF (Bad file descriptor) [pid 5344] close(4) = -1 EBADF (Bad file descriptor) [pid 5344] close(5) = -1 EBADF (Bad file descriptor) [pid 5344] close(6) = -1 EBADF (Bad file descriptor) [pid 5344] close(7) = -1 EBADF (Bad file descriptor) [pid 5344] close(8) = -1 EBADF (Bad file descriptor) [pid 5344] close(9) = -1 EBADF (Bad file descriptor) [pid 5344] close(10) = -1 EBADF (Bad file descriptor) [pid 5344] close(11) = -1 EBADF (Bad file descriptor) [pid 5344] close(12) = -1 EBADF (Bad file descriptor) [pid 5344] close(13) = -1 EBADF (Bad file descriptor) [pid 5344] close(14) = -1 EBADF (Bad file descriptor) [pid 5344] close(15) = -1 EBADF (Bad file descriptor) [pid 5344] close(16) = -1 EBADF (Bad file descriptor) [pid 5344] close(17) = -1 EBADF (Bad file descriptor) [pid 5344] close(18) = -1 EBADF (Bad file descriptor) [pid 5344] close(19) = -1 EBADF (Bad file descriptor) [pid 5344] close(20) = -1 EBADF (Bad file descriptor) [pid 5344] close(21) = -1 EBADF (Bad file descriptor) [pid 5344] close(22) = -1 EBADF (Bad file descriptor) [pid 5344] close(23) = -1 EBADF (Bad file descriptor) [pid 5344] close(24) = -1 EBADF (Bad file descriptor) [pid 5344] close(25) = -1 EBADF (Bad file descriptor) [pid 5344] close(26) = -1 EBADF (Bad file descriptor) [pid 5344] close(27) = -1 EBADF (Bad file descriptor) [pid 5344] close(28) = -1 EBADF (Bad file descriptor) [pid 5344] close(29) = -1 EBADF (Bad file descriptor) [pid 5344] exit_group(0 [pid 5346] <... clone resumed>) = ? [pid 5345] <... futex resumed>) = ? [pid 5344] <... exit_group resumed>) = ? [pid 5346] +++ exited with 0 +++ [pid 5345] +++ exited with 0 +++ [pid 5344] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=334, si_uid=0, si_status=0, si_utime=15 /* 0.15 s */, si_stime=82 /* 0.82 s */} --- [pid 5000] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 338 ./strace-static-x86_64: Process 5348 attached [pid 5348] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5348] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5348] setpgid(0, 0) = 0 [pid 5348] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5348] write(3, "1000", 4) = 4 [pid 5348] close(3) = 0 [pid 5348] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5348] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5348] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5348] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[339], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 339 [pid 5348] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5348] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5349 attached [pid 5349] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5349] memfd_create("syzkaller", 0) = 3 [pid 5349] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5347] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=337, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=37 /* 0.37 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5349] 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"..., 67108864) = 67108864 [pid 5349] munmap(0x7f0f30428000, 67108864) = 0 [pid 5349] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5349] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5349] ioctl(4, LOOP_CLR_FD) = 0 [pid 5349] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5349] close(4) = 0 [pid 5349] close(3) = 0 [pid 5349] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5348] <... futex resumed>) = 0 [pid 5348] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5348] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5349] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5348] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5348] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5348] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5348] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5349] <... mmap resumed>) = 0x20000000 [pid 5348] <... mmap resumed>) = 0x7f0f34407000 [pid 5348] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5348] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5349] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5348] <... clone resumed>, parent_tid=[340], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 340 [pid 5348] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5348] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5349] <... futex resumed>) = 0 [pid 5349] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5350 attached [pid 5350] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5350] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5351 attached [pid 5351] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5348] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5348] close(3) = -1 EBADF (Bad file descriptor) [pid 5348] close(4) = -1 EBADF (Bad file descriptor) [pid 5348] close(5) = -1 EBADF (Bad file descriptor) [pid 5348] close(6) = -1 EBADF (Bad file descriptor) [pid 5348] close(7) = -1 EBADF (Bad file descriptor) [pid 5348] close(8) = -1 EBADF (Bad file descriptor) [pid 5348] close(9) = -1 EBADF (Bad file descriptor) [pid 5348] close(10) = -1 EBADF (Bad file descriptor) [pid 5348] close(11) = -1 EBADF (Bad file descriptor) [pid 5348] close(12) = -1 EBADF (Bad file descriptor) [pid 5348] close(13) = -1 EBADF (Bad file descriptor) [pid 5348] close(14) = -1 EBADF (Bad file descriptor) [pid 5348] close(15) = -1 EBADF (Bad file descriptor) [pid 5348] close(16) = -1 EBADF (Bad file descriptor) [pid 5348] close(17) = -1 EBADF (Bad file descriptor) [pid 5348] close(18) = -1 EBADF (Bad file descriptor) [pid 5348] close(19) = -1 EBADF (Bad file descriptor) [pid 5348] close(20) = -1 EBADF (Bad file descriptor) [pid 5348] close(21) = -1 EBADF (Bad file descriptor) [pid 5348] close(22) = -1 EBADF (Bad file descriptor) [pid 5348] close(23) = -1 EBADF (Bad file descriptor) [pid 5348] close(24) = -1 EBADF (Bad file descriptor) [pid 5348] close(25) = -1 EBADF (Bad file descriptor) [pid 5348] close(26) = -1 EBADF (Bad file descriptor) [pid 5348] close(27) = -1 EBADF (Bad file descriptor) [pid 5348] close(28) = -1 EBADF (Bad file descriptor) [pid 5348] close(29) = -1 EBADF (Bad file descriptor) [pid 5348] exit_group(0 [pid 5350] <... clone resumed>) = ? [pid 5349] <... futex resumed>) = ? [pid 5348] <... exit_group resumed>) = ? [pid 5350] +++ exited with 0 +++ [pid 5349] +++ exited with 0 +++ [pid 5348] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=338, si_uid=0, si_status=0, si_utime=19 /* 0.19 s */, si_stime=74 /* 0.74 s */} --- [pid 5000] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 342 ./strace-static-x86_64: Process 5352 attached [pid 5352] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5352] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5352] setpgid(0, 0) = 0 [pid 5352] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5352] write(3, "1000", 4) = 4 [pid 5352] close(3) = 0 [pid 5352] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5352] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5352] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5352] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[343], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 343 [pid 5352] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5352] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5353 attached [pid 5353] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5353] memfd_create("syzkaller", 0) = 3 [pid 5353] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5351] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=341, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=44 /* 0.44 s */} --- [pid 5353] 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"..., 67108864) = 67108864 [pid 5353] munmap(0x7f0f30428000, 67108864) = 0 [pid 5353] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5353] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5353] ioctl(4, LOOP_CLR_FD) = 0 [pid 5353] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5353] close(4) = 0 [pid 5353] close(3) = 0 [pid 5353] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5353] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5352] <... futex resumed>) = 0 [pid 5352] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5352] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5353] <... futex resumed>) = 0 [pid 5353] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5352] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5352] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5352] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5352] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f34407000 [pid 5353] <... mmap resumed>) = 0x20000000 [pid 5353] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5352] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE [pid 5353] <... futex resumed>) = 0 [pid 5353] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5352] <... mprotect resumed>) = 0 [pid 5352] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 5354 attached , parent_tid=[344], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 344 [pid 5354] set_robust_list(0x7f0f344279e0, 24 [pid 5352] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5354] <... set_robust_list resumed>) = 0 [pid 5352] <... futex resumed>) = 0 [pid 5354] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO [pid 5352] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5355 attached [pid 5355] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5352] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5352] close(3) = -1 EBADF (Bad file descriptor) [pid 5352] close(4) = -1 EBADF (Bad file descriptor) [pid 5352] close(5) = -1 EBADF (Bad file descriptor) [pid 5352] close(6) = -1 EBADF (Bad file descriptor) [pid 5352] close(7) = -1 EBADF (Bad file descriptor) [pid 5352] close(8) = -1 EBADF (Bad file descriptor) [pid 5352] close(9) = -1 EBADF (Bad file descriptor) [pid 5352] close(10) = -1 EBADF (Bad file descriptor) [pid 5352] close(11) = -1 EBADF (Bad file descriptor) [pid 5352] close(12) = -1 EBADF (Bad file descriptor) [pid 5352] close(13) = -1 EBADF (Bad file descriptor) [pid 5352] close(14) = -1 EBADF (Bad file descriptor) [pid 5352] close(15) = -1 EBADF (Bad file descriptor) [pid 5352] close(16) = -1 EBADF (Bad file descriptor) [pid 5352] close(17) = -1 EBADF (Bad file descriptor) [pid 5352] close(18) = -1 EBADF (Bad file descriptor) [pid 5352] close(19) = -1 EBADF (Bad file descriptor) [pid 5352] close(20) = -1 EBADF (Bad file descriptor) [pid 5352] close(21) = -1 EBADF (Bad file descriptor) [pid 5352] close(22) = -1 EBADF (Bad file descriptor) [pid 5352] close(23) = -1 EBADF (Bad file descriptor) [pid 5352] close(24) = -1 EBADF (Bad file descriptor) [pid 5352] close(25) = -1 EBADF (Bad file descriptor) [pid 5352] close(26) = -1 EBADF (Bad file descriptor) [pid 5352] close(27) = -1 EBADF (Bad file descriptor) [pid 5352] close(28) = -1 EBADF (Bad file descriptor) [pid 5352] close(29) = -1 EBADF (Bad file descriptor) [pid 5352] exit_group(0 [pid 5354] <... clone resumed>) = ? [pid 5353] <... futex resumed>) = ? [pid 5352] <... exit_group resumed>) = ? [pid 5354] +++ exited with 0 +++ [pid 5353] +++ exited with 0 +++ [pid 5352] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=342, si_uid=0, si_status=0, si_utime=14 /* 0.14 s */, si_stime=75 /* 0.75 s */} --- [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 346 ./strace-static-x86_64: Process 5356 attached [pid 5356] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5356] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5356] setpgid(0, 0) = 0 [pid 5356] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5356] write(3, "1000", 4) = 4 [pid 5356] close(3) = 0 [pid 5356] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5356] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5356] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5356] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[347], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 347 [pid 5356] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5356] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5357 attached [pid 5357] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5357] memfd_create("syzkaller", 0) = 3 [pid 5357] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5355] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=345, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=38 /* 0.38 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5357] 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"..., 67108864) = 67108864 [pid 5357] munmap(0x7f0f30428000, 67108864) = 0 [pid 5357] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5357] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5357] ioctl(4, LOOP_CLR_FD) = 0 [pid 5357] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5357] close(4) = 0 [pid 5357] close(3) = 0 [pid 5357] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5356] <... futex resumed>) = 0 [pid 5356] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5356] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5357] <... futex resumed>) = 1 [pid 5357] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5356] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5356] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5356] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5356] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f34407000 [pid 5356] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5356] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[348], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 348 [pid 5356] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5356] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5357] <... mmap resumed>) = 0x20000000 [pid 5357] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5357] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5358 attached [pid 5358] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5358] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5359 attached [pid 5359] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5356] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5356] close(3) = -1 EBADF (Bad file descriptor) [pid 5356] close(4) = -1 EBADF (Bad file descriptor) [pid 5356] close(5) = -1 EBADF (Bad file descriptor) [pid 5356] close(6) = -1 EBADF (Bad file descriptor) [pid 5356] close(7) = -1 EBADF (Bad file descriptor) [pid 5356] close(8) = -1 EBADF (Bad file descriptor) [pid 5356] close(9) = -1 EBADF (Bad file descriptor) [pid 5356] close(10) = -1 EBADF (Bad file descriptor) [pid 5356] close(11) = -1 EBADF (Bad file descriptor) [pid 5356] close(12) = -1 EBADF (Bad file descriptor) [pid 5356] close(13) = -1 EBADF (Bad file descriptor) [pid 5356] close(14) = -1 EBADF (Bad file descriptor) [pid 5356] close(15) = -1 EBADF (Bad file descriptor) [pid 5356] close(16) = -1 EBADF (Bad file descriptor) [pid 5356] close(17) = -1 EBADF (Bad file descriptor) [pid 5356] close(18) = -1 EBADF (Bad file descriptor) [pid 5356] close(19) = -1 EBADF (Bad file descriptor) [pid 5356] close(20) = -1 EBADF (Bad file descriptor) [pid 5356] close(21) = -1 EBADF (Bad file descriptor) [pid 5356] close(22) = -1 EBADF (Bad file descriptor) [pid 5356] close(23) = -1 EBADF (Bad file descriptor) [pid 5356] close(24) = -1 EBADF (Bad file descriptor) [pid 5356] close(25) = -1 EBADF (Bad file descriptor) [pid 5356] close(26) = -1 EBADF (Bad file descriptor) [pid 5356] close(27) = -1 EBADF (Bad file descriptor) [pid 5356] close(28) = -1 EBADF (Bad file descriptor) [pid 5356] close(29) = -1 EBADF (Bad file descriptor) [pid 5356] exit_group(0 [pid 5358] <... clone resumed>) = ? [pid 5357] <... futex resumed>) = ? [pid 5356] <... exit_group resumed>) = ? [pid 5358] +++ exited with 0 +++ [pid 5357] +++ exited with 0 +++ [pid 5356] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=346, si_uid=0, si_status=0, si_utime=20 /* 0.20 s */, si_stime=69 /* 0.69 s */} --- [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 350 ./strace-static-x86_64: Process 5360 attached [pid 5360] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5360] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5360] setpgid(0, 0) = 0 [pid 5360] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5360] write(3, "1000", 4) = 4 [pid 5360] close(3) = 0 [pid 5360] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5360] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5360] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5360] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[351], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 351 [pid 5360] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5360] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5361 attached [pid 5361] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5361] memfd_create("syzkaller", 0) = 3 [pid 5361] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5361] 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"..., 67108864 [pid 5359] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=349, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=36 /* 0.36 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5361] <... write resumed>) = 67108864 [pid 5361] munmap(0x7f0f30428000, 67108864) = 0 [pid 5361] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5361] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5361] ioctl(4, LOOP_CLR_FD) = 0 [pid 5361] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5361] close(4) = 0 [pid 5361] close(3) = 0 [pid 5361] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5360] <... futex resumed>) = 0 [pid 5360] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5360] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5361] <... futex resumed>) = 1 [pid 5361] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5360] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5360] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5360] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f34407000 [pid 5360] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5360] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[352], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 352 [pid 5360] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5360] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5361] <... mmap resumed>) = 0x20000000 [pid 5361] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5361] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5362 attached [pid 5362] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5362] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5363 attached [pid 5363] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5360] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5360] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5360] close(3) = -1 EBADF (Bad file descriptor) [pid 5360] close(4) = -1 EBADF (Bad file descriptor) [pid 5360] close(5) = -1 EBADF (Bad file descriptor) [pid 5360] close(6) = -1 EBADF (Bad file descriptor) [pid 5360] close(7) = -1 EBADF (Bad file descriptor) [pid 5360] close(8) = -1 EBADF (Bad file descriptor) [pid 5360] close(9) = -1 EBADF (Bad file descriptor) [pid 5360] close(10) = -1 EBADF (Bad file descriptor) [pid 5360] close(11) = -1 EBADF (Bad file descriptor) [pid 5360] close(12) = -1 EBADF (Bad file descriptor) [pid 5360] close(13) = -1 EBADF (Bad file descriptor) [pid 5360] close(14) = -1 EBADF (Bad file descriptor) [pid 5360] close(15) = -1 EBADF (Bad file descriptor) [pid 5360] close(16) = -1 EBADF (Bad file descriptor) [pid 5360] close(17) = -1 EBADF (Bad file descriptor) [pid 5360] close(18) = -1 EBADF (Bad file descriptor) [pid 5360] close(19) = -1 EBADF (Bad file descriptor) [pid 5360] close(20) = -1 EBADF (Bad file descriptor) [pid 5360] close(21) = -1 EBADF (Bad file descriptor) [pid 5360] close(22) = -1 EBADF (Bad file descriptor) [pid 5360] close(23) = -1 EBADF (Bad file descriptor) [pid 5360] close(24) = -1 EBADF (Bad file descriptor) [pid 5360] close(25) = -1 EBADF (Bad file descriptor) [pid 5360] close(26) = -1 EBADF (Bad file descriptor) [pid 5360] close(27) = -1 EBADF (Bad file descriptor) [pid 5360] close(28) = -1 EBADF (Bad file descriptor) [pid 5360] close(29) = -1 EBADF (Bad file descriptor) [pid 5360] exit_group(0 [pid 5362] <... clone resumed>) = ? [pid 5361] <... futex resumed>) = ? [pid 5360] <... exit_group resumed>) = ? [pid 5362] +++ exited with 0 +++ [pid 5361] +++ exited with 0 +++ [pid 5360] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=350, si_uid=0, si_status=0, si_utime=15 /* 0.15 s */, si_stime=77 /* 0.77 s */} --- [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 354 ./strace-static-x86_64: Process 5364 attached [pid 5364] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5364] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5364] setpgid(0, 0) = 0 [pid 5364] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5364] write(3, "1000", 4) = 4 [pid 5364] close(3) = 0 [pid 5364] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5364] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5364] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5364] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[355], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 355 [pid 5364] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5364] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5365 attached [pid 5365] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5365] memfd_create("syzkaller", 0) = 3 [pid 5365] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5365] 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"..., 67108864 [pid 5363] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=353, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=38 /* 0.38 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5365] <... write resumed>) = 67108864 [pid 5365] munmap(0x7f0f30428000, 67108864) = 0 [pid 5365] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5365] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5365] ioctl(4, LOOP_CLR_FD) = 0 [pid 5365] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5365] close(4) = 0 [pid 5365] close(3) = 0 [pid 5365] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5364] <... futex resumed>) = 0 [pid 5364] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5364] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5365] <... futex resumed>) = 1 [pid 5365] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5364] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5364] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5364] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5364] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f34407000 [pid 5364] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5364] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[356], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 356 [pid 5364] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5364] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5365] <... mmap resumed>) = 0x20000000 [pid 5365] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5365] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5366 attached [pid 5366] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5366] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5367 attached [pid 5367] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5364] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5364] close(3) = -1 EBADF (Bad file descriptor) [pid 5364] close(4) = -1 EBADF (Bad file descriptor) [pid 5364] close(5) = -1 EBADF (Bad file descriptor) [pid 5364] close(6) = -1 EBADF (Bad file descriptor) [pid 5364] close(7) = -1 EBADF (Bad file descriptor) [pid 5364] close(8) = -1 EBADF (Bad file descriptor) [pid 5364] close(9) = -1 EBADF (Bad file descriptor) [pid 5364] close(10) = -1 EBADF (Bad file descriptor) [pid 5364] close(11) = -1 EBADF (Bad file descriptor) [pid 5364] close(12) = -1 EBADF (Bad file descriptor) [pid 5364] close(13) = -1 EBADF (Bad file descriptor) [pid 5364] close(14) = -1 EBADF (Bad file descriptor) [pid 5364] close(15) = -1 EBADF (Bad file descriptor) [pid 5364] close(16) = -1 EBADF (Bad file descriptor) [pid 5364] close(17) = -1 EBADF (Bad file descriptor) [pid 5364] close(18) = -1 EBADF (Bad file descriptor) [pid 5364] close(19) = -1 EBADF (Bad file descriptor) [pid 5364] close(20) = -1 EBADF (Bad file descriptor) [pid 5364] close(21) = -1 EBADF (Bad file descriptor) [pid 5364] close(22) = -1 EBADF (Bad file descriptor) [pid 5364] close(23) = -1 EBADF (Bad file descriptor) [pid 5364] close(24) = -1 EBADF (Bad file descriptor) [pid 5364] close(25) = -1 EBADF (Bad file descriptor) [pid 5364] close(26) = -1 EBADF (Bad file descriptor) [pid 5364] close(27) = -1 EBADF (Bad file descriptor) [pid 5364] close(28) = -1 EBADF (Bad file descriptor) [pid 5364] close(29) = -1 EBADF (Bad file descriptor) [pid 5364] exit_group(0 [pid 5366] <... clone resumed>) = ? [pid 5365] <... futex resumed>) = ? [pid 5364] <... exit_group resumed>) = ? [pid 5366] +++ exited with 0 +++ [pid 5365] +++ exited with 0 +++ [pid 5364] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=354, si_uid=0, si_status=0, si_utime=19 /* 0.19 s */, si_stime=68 /* 0.68 s */} --- [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 358 ./strace-static-x86_64: Process 5368 attached [pid 5368] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5368] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5368] setpgid(0, 0) = 0 [pid 5368] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5368] write(3, "1000", 4) = 4 [pid 5368] close(3) = 0 [pid 5368] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5368] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5368] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5368] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[359], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 359 [pid 5368] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5368] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5369 attached [pid 5369] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5369] memfd_create("syzkaller", 0) = 3 [pid 5369] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5369] 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"..., 67108864 [pid 5367] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=357, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=38 /* 0.38 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5369] <... write resumed>) = 67108864 [pid 5369] munmap(0x7f0f30428000, 67108864) = 0 [pid 5369] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5369] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5369] ioctl(4, LOOP_CLR_FD) = 0 [pid 5369] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5369] close(4) = 0 [pid 5369] close(3) = 0 [pid 5369] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5368] <... futex resumed>) = 0 [pid 5368] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5368] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5369] <... futex resumed>) = 1 [pid 5369] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5368] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5368] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5368] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f34407000 [pid 5368] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5368] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[360], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 360 [pid 5368] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5368] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5369] <... mmap resumed>) = 0x20000000 [pid 5369] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5369] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5370 attached [pid 5370] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5370] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5371 attached [pid 5371] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5368] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5368] close(3) = -1 EBADF (Bad file descriptor) [pid 5368] close(4) = -1 EBADF (Bad file descriptor) [pid 5368] close(5) = -1 EBADF (Bad file descriptor) [pid 5368] close(6) = -1 EBADF (Bad file descriptor) [pid 5368] close(7) = -1 EBADF (Bad file descriptor) [pid 5368] close(8) = -1 EBADF (Bad file descriptor) [pid 5368] close(9) = -1 EBADF (Bad file descriptor) [pid 5368] close(10) = -1 EBADF (Bad file descriptor) [pid 5368] close(11) = -1 EBADF (Bad file descriptor) [pid 5368] close(12) = -1 EBADF (Bad file descriptor) [pid 5368] close(13) = -1 EBADF (Bad file descriptor) [pid 5368] close(14) = -1 EBADF (Bad file descriptor) [pid 5368] close(15) = -1 EBADF (Bad file descriptor) [pid 5368] close(16) = -1 EBADF (Bad file descriptor) [pid 5368] close(17) = -1 EBADF (Bad file descriptor) [pid 5368] close(18) = -1 EBADF (Bad file descriptor) [pid 5368] close(19) = -1 EBADF (Bad file descriptor) [pid 5368] close(20) = -1 EBADF (Bad file descriptor) [pid 5368] close(21) = -1 EBADF (Bad file descriptor) [pid 5368] close(22) = -1 EBADF (Bad file descriptor) [pid 5368] close(23) = -1 EBADF (Bad file descriptor) [pid 5368] close(24) = -1 EBADF (Bad file descriptor) [pid 5368] close(25) = -1 EBADF (Bad file descriptor) [pid 5368] close(26) = -1 EBADF (Bad file descriptor) [pid 5368] close(27) = -1 EBADF (Bad file descriptor) [pid 5368] close(28) = -1 EBADF (Bad file descriptor) [pid 5368] close(29) = -1 EBADF (Bad file descriptor) [pid 5368] exit_group(0 [pid 5370] <... clone resumed>) = ? [pid 5369] <... futex resumed>) = ? [pid 5368] <... exit_group resumed>) = ? [pid 5370] +++ exited with 0 +++ [pid 5369] +++ exited with 0 +++ [pid 5368] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=358, si_uid=0, si_status=0, si_utime=14 /* 0.14 s */, si_stime=77 /* 0.77 s */} --- [pid 5000] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 362 ./strace-static-x86_64: Process 5372 attached [pid 5372] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5372] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5372] setpgid(0, 0) = 0 [pid 5372] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5372] write(3, "1000", 4) = 4 [pid 5372] close(3) = 0 [pid 5372] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5372] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5372] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5372] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[363], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 363 [pid 5372] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5372] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5373 attached [pid 5373] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5373] memfd_create("syzkaller", 0) = 3 [pid 5373] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5371] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=361, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=39 /* 0.39 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5373] 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"..., 67108864) = 67108864 [pid 5373] munmap(0x7f0f30428000, 67108864) = 0 [pid 5373] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5373] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5373] ioctl(4, LOOP_CLR_FD) = 0 [pid 5373] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5373] close(4) = 0 [pid 5373] close(3) = 0 [pid 5373] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5372] <... futex resumed>) = 0 [pid 5372] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5372] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5373] <... futex resumed>) = 1 [pid 5373] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5372] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5372] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5372] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f34407000 [pid 5372] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5372] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[364], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 364 [pid 5372] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5372] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5373] <... mmap resumed>) = 0x20000000 [pid 5373] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5373] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5374 attached [pid 5374] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5374] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5375 attached [pid 5375] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5372] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5372] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5372] close(3) = -1 EBADF (Bad file descriptor) [pid 5372] close(4) = -1 EBADF (Bad file descriptor) [pid 5372] close(5) = -1 EBADF (Bad file descriptor) [pid 5372] close(6) = -1 EBADF (Bad file descriptor) [pid 5372] close(7) = -1 EBADF (Bad file descriptor) [pid 5372] close(8) = -1 EBADF (Bad file descriptor) [pid 5372] close(9) = -1 EBADF (Bad file descriptor) [pid 5372] close(10) = -1 EBADF (Bad file descriptor) [pid 5372] close(11) = -1 EBADF (Bad file descriptor) [pid 5372] close(12) = -1 EBADF (Bad file descriptor) [pid 5372] close(13) = -1 EBADF (Bad file descriptor) [pid 5372] close(14) = -1 EBADF (Bad file descriptor) [pid 5372] close(15) = -1 EBADF (Bad file descriptor) [pid 5372] close(16) = -1 EBADF (Bad file descriptor) [pid 5372] close(17) = -1 EBADF (Bad file descriptor) [pid 5372] close(18) = -1 EBADF (Bad file descriptor) [pid 5372] close(19) = -1 EBADF (Bad file descriptor) [pid 5372] close(20) = -1 EBADF (Bad file descriptor) [pid 5372] close(21) = -1 EBADF (Bad file descriptor) [pid 5372] close(22) = -1 EBADF (Bad file descriptor) [pid 5372] close(23) = -1 EBADF (Bad file descriptor) [pid 5372] close(24) = -1 EBADF (Bad file descriptor) [pid 5372] close(25) = -1 EBADF (Bad file descriptor) [pid 5372] close(26) = -1 EBADF (Bad file descriptor) [pid 5372] close(27) = -1 EBADF (Bad file descriptor) [pid 5372] close(28) = -1 EBADF (Bad file descriptor) [pid 5372] close(29) = -1 EBADF (Bad file descriptor) [pid 5372] exit_group(0 [pid 5374] <... clone resumed>) = ? [pid 5373] <... futex resumed>) = ? [pid 5372] <... exit_group resumed>) = ? [pid 5374] +++ exited with 0 +++ [pid 5373] +++ exited with 0 +++ [pid 5372] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=362, si_uid=0, si_status=0, si_utime=15 /* 0.15 s */, si_stime=77 /* 0.77 s */} --- [pid 5000] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 366 ./strace-static-x86_64: Process 5376 attached [pid 5376] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5376] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5376] setpgid(0, 0) = 0 [pid 5376] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5376] write(3, "1000", 4) = 4 [pid 5376] close(3) = 0 [pid 5376] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5376] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5376] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5376] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[367], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 367 [pid 5376] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5376] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5377 attached [pid 5377] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5377] memfd_create("syzkaller", 0) = 3 [pid 5377] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5375] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=365, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=37 /* 0.37 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5377] 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"..., 67108864) = 67108864 [pid 5377] munmap(0x7f0f30428000, 67108864) = 0 [pid 5377] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5377] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5377] ioctl(4, LOOP_CLR_FD) = 0 [pid 5377] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5377] close(4) = 0 [pid 5377] close(3) = 0 [pid 5377] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5376] <... futex resumed>) = 0 [pid 5376] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5376] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5377] <... futex resumed>) = 1 [pid 5377] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5376] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5376] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5376] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f34407000 [pid 5376] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5376] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[368], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 368 [pid 5376] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5376] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5377] <... mmap resumed>) = 0x20000000 [pid 5377] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5377] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5378 attached [pid 5378] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5378] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5379 attached [pid 5379] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5376] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5376] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5376] close(3) = -1 EBADF (Bad file descriptor) [pid 5376] close(4) = -1 EBADF (Bad file descriptor) [pid 5376] close(5) = -1 EBADF (Bad file descriptor) [pid 5376] close(6) = -1 EBADF (Bad file descriptor) [pid 5376] close(7) = -1 EBADF (Bad file descriptor) [pid 5376] close(8) = -1 EBADF (Bad file descriptor) [pid 5376] close(9) = -1 EBADF (Bad file descriptor) [pid 5376] close(10) = -1 EBADF (Bad file descriptor) [pid 5376] close(11) = -1 EBADF (Bad file descriptor) [pid 5376] close(12) = -1 EBADF (Bad file descriptor) [pid 5376] close(13) = -1 EBADF (Bad file descriptor) [pid 5376] close(14) = -1 EBADF (Bad file descriptor) [pid 5376] close(15) = -1 EBADF (Bad file descriptor) [pid 5376] close(16) = -1 EBADF (Bad file descriptor) [pid 5376] close(17) = -1 EBADF (Bad file descriptor) [pid 5376] close(18) = -1 EBADF (Bad file descriptor) [pid 5376] close(19) = -1 EBADF (Bad file descriptor) [pid 5376] close(20) = -1 EBADF (Bad file descriptor) [pid 5376] close(21) = -1 EBADF (Bad file descriptor) [pid 5376] close(22) = -1 EBADF (Bad file descriptor) [pid 5376] close(23) = -1 EBADF (Bad file descriptor) [pid 5376] close(24) = -1 EBADF (Bad file descriptor) [pid 5376] close(25) = -1 EBADF (Bad file descriptor) [pid 5376] close(26) = -1 EBADF (Bad file descriptor) [pid 5376] close(27) = -1 EBADF (Bad file descriptor) [pid 5376] close(28) = -1 EBADF (Bad file descriptor) [pid 5376] close(29) = -1 EBADF (Bad file descriptor) [pid 5376] exit_group(0 [pid 5378] <... clone resumed>) = ? [pid 5377] <... futex resumed>) = ? [pid 5376] <... exit_group resumed>) = ? [pid 5378] +++ exited with 0 +++ [pid 5377] +++ exited with 0 +++ [pid 5376] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=366, si_uid=0, si_status=0, si_utime=13 /* 0.13 s */, si_stime=78 /* 0.78 s */} --- [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 370 ./strace-static-x86_64: Process 5380 attached [pid 5380] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5380] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5380] setpgid(0, 0) = 0 [pid 5380] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5380] write(3, "1000", 4) = 4 [pid 5380] close(3) = 0 [pid 5380] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5380] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5380] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5380] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[371], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 371 [pid 5380] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5380] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5381 attached [pid 5381] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5381] memfd_create("syzkaller", 0) = 3 [pid 5381] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5379] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=369, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=39 /* 0.39 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5381] 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"..., 67108864) = 67108864 [pid 5381] munmap(0x7f0f30428000, 67108864) = 0 [pid 5381] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5381] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5381] ioctl(4, LOOP_CLR_FD) = 0 [pid 5381] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5381] close(4) = 0 [pid 5381] close(3) = 0 [pid 5381] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5380] <... futex resumed>) = 0 [pid 5380] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5380] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5381] <... futex resumed>) = 1 [pid 5381] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5380] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5380] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5380] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5380] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f34407000 [pid 5380] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5380] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[372], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 372 [pid 5380] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5380] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5381] <... mmap resumed>) = 0x20000000 [pid 5381] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5381] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5382 attached [pid 5382] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5382] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5383 attached [pid 5383] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5380] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5380] close(3) = -1 EBADF (Bad file descriptor) [pid 5380] close(4) = -1 EBADF (Bad file descriptor) [pid 5380] close(5) = -1 EBADF (Bad file descriptor) [pid 5380] close(6) = -1 EBADF (Bad file descriptor) [pid 5380] close(7) = -1 EBADF (Bad file descriptor) [pid 5380] close(8) = -1 EBADF (Bad file descriptor) [pid 5380] close(9) = -1 EBADF (Bad file descriptor) [pid 5380] close(10) = -1 EBADF (Bad file descriptor) [pid 5380] close(11) = -1 EBADF (Bad file descriptor) [pid 5380] close(12) = -1 EBADF (Bad file descriptor) [pid 5380] close(13) = -1 EBADF (Bad file descriptor) [pid 5380] close(14) = -1 EBADF (Bad file descriptor) [pid 5380] close(15) = -1 EBADF (Bad file descriptor) [pid 5380] close(16) = -1 EBADF (Bad file descriptor) [pid 5380] close(17) = -1 EBADF (Bad file descriptor) [pid 5380] close(18) = -1 EBADF (Bad file descriptor) [pid 5380] close(19) = -1 EBADF (Bad file descriptor) [pid 5380] close(20) = -1 EBADF (Bad file descriptor) [pid 5380] close(21) = -1 EBADF (Bad file descriptor) [pid 5380] close(22) = -1 EBADF (Bad file descriptor) [pid 5380] close(23) = -1 EBADF (Bad file descriptor) [pid 5380] close(24) = -1 EBADF (Bad file descriptor) [pid 5380] close(25) = -1 EBADF (Bad file descriptor) [pid 5380] close(26) = -1 EBADF (Bad file descriptor) [pid 5380] close(27) = -1 EBADF (Bad file descriptor) [pid 5380] close(28) = -1 EBADF (Bad file descriptor) [pid 5380] close(29) = -1 EBADF (Bad file descriptor) [pid 5380] exit_group(0 [pid 5382] <... clone resumed>) = ? [pid 5381] <... futex resumed>) = ? [pid 5380] <... exit_group resumed>) = ? [pid 5382] +++ exited with 0 +++ [pid 5381] +++ exited with 0 +++ [pid 5380] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=370, si_uid=0, si_status=0, si_utime=14 /* 0.14 s */, si_stime=79 /* 0.79 s */} --- [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 374 ./strace-static-x86_64: Process 5384 attached [pid 5384] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5384] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5384] setpgid(0, 0) = 0 [pid 5384] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5384] write(3, "1000", 4) = 4 [pid 5384] close(3) = 0 [pid 5384] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5384] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5384] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5384] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[375], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 375 [pid 5384] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5384] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5385 attached [pid 5385] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5385] memfd_create("syzkaller", 0) = 3 [pid 5385] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5383] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=373, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=41 /* 0.41 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5385] 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"..., 67108864) = 67108864 [pid 5385] munmap(0x7f0f30428000, 67108864) = 0 [pid 5385] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5385] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5385] ioctl(4, LOOP_CLR_FD) = 0 [pid 5385] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5385] close(4) = 0 [pid 5385] close(3) = 0 [pid 5385] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5384] <... futex resumed>) = 0 [pid 5384] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5384] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5385] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5384] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5384] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5384] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5384] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5385] <... mmap resumed>) = 0x20000000 [pid 5384] <... mmap resumed>) = 0x7f0f34407000 [pid 5384] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5384] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5385] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5384] <... clone resumed>, parent_tid=[376], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 376 [pid 5384] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5384] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5385] <... futex resumed>) = 0 [pid 5385] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5386 attached [pid 5386] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5386] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5387 attached [pid 5387] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5384] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5384] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5384] close(3) = -1 EBADF (Bad file descriptor) [pid 5384] close(4) = -1 EBADF (Bad file descriptor) [pid 5384] close(5) = -1 EBADF (Bad file descriptor) [pid 5384] close(6) = -1 EBADF (Bad file descriptor) [pid 5384] close(7) = -1 EBADF (Bad file descriptor) [pid 5384] close(8) = -1 EBADF (Bad file descriptor) [pid 5384] close(9) = -1 EBADF (Bad file descriptor) [pid 5384] close(10) = -1 EBADF (Bad file descriptor) [pid 5384] close(11) = -1 EBADF (Bad file descriptor) [pid 5384] close(12) = -1 EBADF (Bad file descriptor) [pid 5384] close(13) = -1 EBADF (Bad file descriptor) [pid 5384] close(14) = -1 EBADF (Bad file descriptor) [pid 5384] close(15) = -1 EBADF (Bad file descriptor) [pid 5384] close(16) = -1 EBADF (Bad file descriptor) [pid 5384] close(17) = -1 EBADF (Bad file descriptor) [pid 5384] close(18) = -1 EBADF (Bad file descriptor) [pid 5384] close(19) = -1 EBADF (Bad file descriptor) [pid 5384] close(20) = -1 EBADF (Bad file descriptor) [pid 5384] close(21) = -1 EBADF (Bad file descriptor) [pid 5384] close(22) = -1 EBADF (Bad file descriptor) [pid 5384] close(23) = -1 EBADF (Bad file descriptor) [pid 5384] close(24) = -1 EBADF (Bad file descriptor) [pid 5384] close(25) = -1 EBADF (Bad file descriptor) [pid 5384] close(26) = -1 EBADF (Bad file descriptor) [pid 5384] close(27) = -1 EBADF (Bad file descriptor) [pid 5384] close(28) = -1 EBADF (Bad file descriptor) [pid 5384] close(29) = -1 EBADF (Bad file descriptor) [pid 5384] exit_group(0) = ? [pid 5385] <... futex resumed>) = ? [pid 5386] <... clone resumed>) = ? [pid 5385] +++ exited with 0 +++ [pid 5386] +++ exited with 0 +++ [pid 5384] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=374, si_uid=0, si_status=0, si_utime=17 /* 0.17 s */, si_stime=76 /* 0.76 s */} --- [pid 5000] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 378 ./strace-static-x86_64: Process 5388 attached [pid 5388] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5388] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5388] setpgid(0, 0) = 0 [pid 5388] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5388] write(3, "1000", 4) = 4 [pid 5388] close(3) = 0 [pid 5388] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5388] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5388] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5388] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[379], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 379 [pid 5388] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5388] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5389 attached [pid 5389] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5389] memfd_create("syzkaller", 0) = 3 [pid 5389] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5387] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=377, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=44 /* 0.44 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5389] 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"..., 67108864) = 67108864 [pid 5389] munmap(0x7f0f30428000, 67108864) = 0 [pid 5389] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5389] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5389] ioctl(4, LOOP_CLR_FD) = 0 [pid 5389] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5389] close(4) = 0 [pid 5389] close(3) = 0 [pid 5389] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5389] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5388] <... futex resumed>) = 0 [pid 5388] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5388] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5389] <... futex resumed>) = 0 [pid 5389] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5388] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5388] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5388] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5388] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5389] <... mmap resumed>) = 0x20000000 [pid 5388] <... mmap resumed>) = 0x7f0f34407000 [pid 5388] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE [pid 5389] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5388] <... mprotect resumed>) = 0 [pid 5388] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5389] <... futex resumed>) = 0 [pid 5388] <... clone resumed>, parent_tid=[380], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 380 [pid 5388] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5388] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5389] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5390 attached [pid 5390] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5390] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5391 attached [pid 5391] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5388] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5388] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5388] close(3) = -1 EBADF (Bad file descriptor) [pid 5388] close(4) = -1 EBADF (Bad file descriptor) [pid 5388] close(5) = -1 EBADF (Bad file descriptor) [pid 5388] close(6) = -1 EBADF (Bad file descriptor) [pid 5388] close(7) = -1 EBADF (Bad file descriptor) [pid 5388] close(8) = -1 EBADF (Bad file descriptor) [pid 5388] close(9) = -1 EBADF (Bad file descriptor) [pid 5388] close(10) = -1 EBADF (Bad file descriptor) [pid 5388] close(11) = -1 EBADF (Bad file descriptor) [pid 5388] close(12) = -1 EBADF (Bad file descriptor) [pid 5388] close(13) = -1 EBADF (Bad file descriptor) [pid 5388] close(14) = -1 EBADF (Bad file descriptor) [pid 5388] close(15) = -1 EBADF (Bad file descriptor) [pid 5388] close(16) = -1 EBADF (Bad file descriptor) [pid 5388] close(17) = -1 EBADF (Bad file descriptor) [pid 5388] close(18) = -1 EBADF (Bad file descriptor) [pid 5388] close(19) = -1 EBADF (Bad file descriptor) [pid 5388] close(20) = -1 EBADF (Bad file descriptor) [pid 5388] close(21) = -1 EBADF (Bad file descriptor) [pid 5388] close(22) = -1 EBADF (Bad file descriptor) [pid 5388] close(23) = -1 EBADF (Bad file descriptor) [pid 5388] close(24) = -1 EBADF (Bad file descriptor) [pid 5388] close(25) = -1 EBADF (Bad file descriptor) [pid 5388] close(26) = -1 EBADF (Bad file descriptor) [pid 5388] close(27) = -1 EBADF (Bad file descriptor) [pid 5388] close(28) = -1 EBADF (Bad file descriptor) [pid 5388] close(29) = -1 EBADF (Bad file descriptor) [pid 5388] exit_group(0 [pid 5390] <... clone resumed>) = ? [pid 5389] <... futex resumed>) = ? [pid 5388] <... exit_group resumed>) = ? [pid 5390] +++ exited with 0 +++ [pid 5389] +++ exited with 0 +++ [pid 5388] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=378, si_uid=0, si_status=0, si_utime=12 /* 0.12 s */, si_stime=79 /* 0.79 s */} --- [pid 5000] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 382 ./strace-static-x86_64: Process 5392 attached [pid 5392] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5392] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5392] setpgid(0, 0) = 0 [pid 5392] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5392] write(3, "1000", 4) = 4 [pid 5392] close(3) = 0 [pid 5392] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5392] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5392] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5392] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[383], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 383 [pid 5392] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5392] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5393 attached [pid 5393] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5393] memfd_create("syzkaller", 0) = 3 [pid 5393] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5391] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=381, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=40 /* 0.40 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5393] 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"..., 67108864) = 67108864 [pid 5393] munmap(0x7f0f30428000, 67108864) = 0 [pid 5393] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5393] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5393] ioctl(4, LOOP_CLR_FD) = 0 [pid 5393] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5393] close(4) = 0 [pid 5393] close(3) = 0 [pid 5393] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5392] <... futex resumed>) = 0 [pid 5392] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5393] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5392] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5392] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5392] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5393] <... mmap resumed>) = 0x20000000 [pid 5392] <... mmap resumed>) = 0x7f0f34407000 [pid 5392] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5392] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5393] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5392] <... clone resumed>, parent_tid=[384], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 384 [pid 5392] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5392] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5393] <... futex resumed>) = 0 [pid 5393] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5394 attached [pid 5394] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5394] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5395 attached [pid 5395] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5392] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5392] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5392] close(3) = -1 EBADF (Bad file descriptor) [pid 5392] close(4) = -1 EBADF (Bad file descriptor) [pid 5392] close(5) = -1 EBADF (Bad file descriptor) [pid 5392] close(6) = -1 EBADF (Bad file descriptor) [pid 5392] close(7) = -1 EBADF (Bad file descriptor) [pid 5392] close(8) = -1 EBADF (Bad file descriptor) [pid 5392] close(9) = -1 EBADF (Bad file descriptor) [pid 5392] close(10) = -1 EBADF (Bad file descriptor) [pid 5392] close(11) = -1 EBADF (Bad file descriptor) [pid 5392] close(12) = -1 EBADF (Bad file descriptor) [pid 5392] close(13) = -1 EBADF (Bad file descriptor) [pid 5392] close(14) = -1 EBADF (Bad file descriptor) [pid 5392] close(15) = -1 EBADF (Bad file descriptor) [pid 5392] close(16) = -1 EBADF (Bad file descriptor) [pid 5392] close(17) = -1 EBADF (Bad file descriptor) [pid 5392] close(18) = -1 EBADF (Bad file descriptor) [pid 5392] close(19) = -1 EBADF (Bad file descriptor) [pid 5392] close(20) = -1 EBADF (Bad file descriptor) [pid 5392] close(21) = -1 EBADF (Bad file descriptor) [pid 5392] close(22) = -1 EBADF (Bad file descriptor) [pid 5392] close(23) = -1 EBADF (Bad file descriptor) [pid 5392] close(24) = -1 EBADF (Bad file descriptor) [pid 5392] close(25) = -1 EBADF (Bad file descriptor) [pid 5392] close(26) = -1 EBADF (Bad file descriptor) [pid 5392] close(27) = -1 EBADF (Bad file descriptor) [pid 5392] close(28) = -1 EBADF (Bad file descriptor) [pid 5392] close(29) = -1 EBADF (Bad file descriptor) [pid 5392] exit_group(0 [pid 5394] <... clone resumed>) = ? [pid 5393] <... futex resumed>) = ? [pid 5392] <... exit_group resumed>) = ? [pid 5394] +++ exited with 0 +++ [pid 5393] +++ exited with 0 +++ [pid 5392] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=382, si_uid=0, si_status=0, si_utime=15 /* 0.15 s */, si_stime=72 /* 0.72 s */} --- [pid 5000] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 386 ./strace-static-x86_64: Process 5396 attached [pid 5396] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5396] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5396] setpgid(0, 0) = 0 [pid 5396] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5396] write(3, "1000", 4) = 4 [pid 5396] close(3) = 0 [pid 5396] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5396] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5396] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5396] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[387], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 387 [pid 5396] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5396] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5397 attached [pid 5397] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5397] memfd_create("syzkaller", 0) = 3 [pid 5397] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5395] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=385, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=40 /* 0.40 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5397] 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"..., 67108864) = 67108864 [pid 5397] munmap(0x7f0f30428000, 67108864) = 0 [pid 5397] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5397] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5397] ioctl(4, LOOP_CLR_FD) = 0 [pid 5397] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5397] close(4) = 0 [pid 5397] close(3) = 0 [pid 5397] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5396] <... futex resumed>) = 0 [pid 5396] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5396] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5397] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5396] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5396] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5396] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5396] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5397] <... mmap resumed>) = 0x20000000 [pid 5396] <... mmap resumed>) = 0x7f0f34407000 [pid 5396] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE [pid 5397] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5396] <... mprotect resumed>) = 0 [pid 5396] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5397] <... futex resumed>) = 0 [pid 5396] <... clone resumed>, parent_tid=[388], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 388 [pid 5396] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5396] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5397] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5398 attached [pid 5398] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5398] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5399 attached [pid 5399] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5396] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5396] close(3) = -1 EBADF (Bad file descriptor) [pid 5396] close(4) = -1 EBADF (Bad file descriptor) [pid 5396] close(5) = -1 EBADF (Bad file descriptor) [pid 5396] close(6) = -1 EBADF (Bad file descriptor) [pid 5396] close(7) = -1 EBADF (Bad file descriptor) [pid 5396] close(8) = -1 EBADF (Bad file descriptor) [pid 5396] close(9) = -1 EBADF (Bad file descriptor) [pid 5396] close(10) = -1 EBADF (Bad file descriptor) [pid 5396] close(11) = -1 EBADF (Bad file descriptor) [pid 5396] close(12) = -1 EBADF (Bad file descriptor) [pid 5396] close(13) = -1 EBADF (Bad file descriptor) [pid 5396] close(14) = -1 EBADF (Bad file descriptor) [pid 5396] close(15) = -1 EBADF (Bad file descriptor) [pid 5396] close(16) = -1 EBADF (Bad file descriptor) [pid 5396] close(17) = -1 EBADF (Bad file descriptor) [pid 5396] close(18) = -1 EBADF (Bad file descriptor) [pid 5396] close(19) = -1 EBADF (Bad file descriptor) [pid 5396] close(20) = -1 EBADF (Bad file descriptor) [pid 5396] close(21) = -1 EBADF (Bad file descriptor) [pid 5396] close(22) = -1 EBADF (Bad file descriptor) [pid 5396] close(23) = -1 EBADF (Bad file descriptor) [pid 5396] close(24) = -1 EBADF (Bad file descriptor) [pid 5396] close(25) = -1 EBADF (Bad file descriptor) [pid 5396] close(26) = -1 EBADF (Bad file descriptor) [pid 5396] close(27) = -1 EBADF (Bad file descriptor) [pid 5396] close(28) = -1 EBADF (Bad file descriptor) [pid 5396] close(29) = -1 EBADF (Bad file descriptor) [pid 5396] exit_group(0 [pid 5398] <... clone resumed>) = ? [pid 5397] <... futex resumed>) = ? [pid 5396] <... exit_group resumed>) = ? [pid 5398] +++ exited with 0 +++ [pid 5397] +++ exited with 0 +++ [pid 5396] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=386, si_uid=0, si_status=0, si_utime=19 /* 0.19 s */, si_stime=75 /* 0.75 s */} --- [pid 5000] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 390 ./strace-static-x86_64: Process 5400 attached [pid 5400] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5400] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5400] setpgid(0, 0) = 0 [pid 5400] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5400] write(3, "1000", 4) = 4 [pid 5400] close(3) = 0 [pid 5400] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5400] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5400] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5400] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[391], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 391 [pid 5400] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5400] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5401 attached [pid 5401] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5401] memfd_create("syzkaller", 0) = 3 [pid 5401] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5399] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=389, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=41 /* 0.41 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5401] 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"..., 67108864) = 67108864 [pid 5401] munmap(0x7f0f30428000, 67108864) = 0 [pid 5401] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5401] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5401] ioctl(4, LOOP_CLR_FD) = 0 [pid 5401] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5401] close(4) = 0 [pid 5401] close(3) = 0 [pid 5401] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5400] <... futex resumed>) = 0 [pid 5400] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5400] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5401] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5400] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5400] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5400] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5401] <... mmap resumed>) = 0x20000000 [pid 5400] <... mmap resumed>) = 0x7f0f34407000 [pid 5400] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5400] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5401] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5400] <... clone resumed>, parent_tid=[392], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 392 [pid 5400] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5400] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5401] <... futex resumed>) = 0 [pid 5401] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5402 attached [pid 5402] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5402] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5403 attached [pid 5403] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5400] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5400] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5400] close(3) = -1 EBADF (Bad file descriptor) [pid 5400] close(4) = -1 EBADF (Bad file descriptor) [pid 5400] close(5) = -1 EBADF (Bad file descriptor) [pid 5400] close(6) = -1 EBADF (Bad file descriptor) [pid 5400] close(7) = -1 EBADF (Bad file descriptor) [pid 5400] close(8) = -1 EBADF (Bad file descriptor) [pid 5400] close(9) = -1 EBADF (Bad file descriptor) [pid 5400] close(10) = -1 EBADF (Bad file descriptor) [pid 5400] close(11) = -1 EBADF (Bad file descriptor) [pid 5400] close(12) = -1 EBADF (Bad file descriptor) [pid 5400] close(13) = -1 EBADF (Bad file descriptor) [pid 5400] close(14) = -1 EBADF (Bad file descriptor) [pid 5400] close(15) = -1 EBADF (Bad file descriptor) [pid 5400] close(16) = -1 EBADF (Bad file descriptor) [pid 5400] close(17) = -1 EBADF (Bad file descriptor) [pid 5400] close(18) = -1 EBADF (Bad file descriptor) [pid 5400] close(19) = -1 EBADF (Bad file descriptor) [pid 5400] close(20) = -1 EBADF (Bad file descriptor) [pid 5400] close(21) = -1 EBADF (Bad file descriptor) [pid 5400] close(22) = -1 EBADF (Bad file descriptor) [pid 5400] close(23) = -1 EBADF (Bad file descriptor) [pid 5400] close(24) = -1 EBADF (Bad file descriptor) [pid 5400] close(25) = -1 EBADF (Bad file descriptor) [pid 5400] close(26) = -1 EBADF (Bad file descriptor) [pid 5400] close(27) = -1 EBADF (Bad file descriptor) [pid 5400] close(28) = -1 EBADF (Bad file descriptor) [pid 5400] close(29) = -1 EBADF (Bad file descriptor) [pid 5400] exit_group(0 [pid 5402] <... clone resumed>) = ? [pid 5401] <... futex resumed>) = ? [pid 5400] <... exit_group resumed>) = ? [pid 5402] +++ exited with 0 +++ [pid 5401] +++ exited with 0 +++ [pid 5400] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=390, si_uid=0, si_status=0, si_utime=15 /* 0.15 s */, si_stime=74 /* 0.74 s */} --- [pid 5000] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 394 ./strace-static-x86_64: Process 5404 attached [pid 5404] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5404] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5404] setpgid(0, 0) = 0 [pid 5404] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5404] write(3, "1000", 4) = 4 [pid 5404] close(3) = 0 [pid 5404] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5404] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5404] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5404] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[395], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 395 [pid 5404] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5404] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5405 attached [pid 5405] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5405] memfd_create("syzkaller", 0) = 3 [pid 5405] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5405] 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"..., 67108864 [pid 5403] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=393, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=41 /* 0.41 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5405] <... write resumed>) = 67108864 [pid 5405] munmap(0x7f0f30428000, 67108864) = 0 [pid 5405] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5405] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5405] ioctl(4, LOOP_CLR_FD) = 0 [pid 5405] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5405] close(4) = 0 [pid 5405] close(3) = 0 [pid 5405] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5404] <... futex resumed>) = 0 [pid 5404] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5404] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5405] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5404] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5404] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5404] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5405] <... mmap resumed>) = 0x20000000 [pid 5404] <... mmap resumed>) = 0x7f0f34407000 [pid 5404] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5404] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5405] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5404] <... clone resumed>, parent_tid=[396], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 396 [pid 5404] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5404] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5405] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5406 attached [pid 5406] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5406] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5407 attached [pid 5407] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5404] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5404] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5404] close(3) = -1 EBADF (Bad file descriptor) [pid 5404] close(4) = -1 EBADF (Bad file descriptor) [pid 5404] close(5) = -1 EBADF (Bad file descriptor) [pid 5404] close(6) = -1 EBADF (Bad file descriptor) [pid 5404] close(7) = -1 EBADF (Bad file descriptor) [pid 5404] close(8) = -1 EBADF (Bad file descriptor) [pid 5404] close(9) = -1 EBADF (Bad file descriptor) [pid 5404] close(10) = -1 EBADF (Bad file descriptor) [pid 5404] close(11) = -1 EBADF (Bad file descriptor) [pid 5404] close(12) = -1 EBADF (Bad file descriptor) [pid 5404] close(13) = -1 EBADF (Bad file descriptor) [pid 5404] close(14) = -1 EBADF (Bad file descriptor) [pid 5404] close(15) = -1 EBADF (Bad file descriptor) [pid 5404] close(16) = -1 EBADF (Bad file descriptor) [pid 5404] close(17) = -1 EBADF (Bad file descriptor) [pid 5404] close(18) = -1 EBADF (Bad file descriptor) [pid 5404] close(19) = -1 EBADF (Bad file descriptor) [pid 5404] close(20) = -1 EBADF (Bad file descriptor) [pid 5404] close(21) = -1 EBADF (Bad file descriptor) [pid 5404] close(22) = -1 EBADF (Bad file descriptor) [pid 5404] close(23) = -1 EBADF (Bad file descriptor) [pid 5404] close(24) = -1 EBADF (Bad file descriptor) [pid 5404] close(25) = -1 EBADF (Bad file descriptor) [pid 5404] close(26) = -1 EBADF (Bad file descriptor) [pid 5404] close(27) = -1 EBADF (Bad file descriptor) [pid 5404] close(28) = -1 EBADF (Bad file descriptor) [pid 5404] close(29) = -1 EBADF (Bad file descriptor) [pid 5404] exit_group(0 [pid 5406] <... clone resumed>) = ? [pid 5405] <... futex resumed>) = ? [pid 5404] <... exit_group resumed>) = ? [pid 5406] +++ exited with 0 +++ [pid 5405] +++ exited with 0 +++ [pid 5404] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=394, si_uid=0, si_status=0, si_utime=13 /* 0.13 s */, si_stime=77 /* 0.77 s */} --- [pid 5000] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 398 ./strace-static-x86_64: Process 5408 attached [pid 5408] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5408] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5408] setpgid(0, 0) = 0 [pid 5408] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5408] write(3, "1000", 4) = 4 [pid 5408] close(3) = 0 [pid 5408] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5408] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5408] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5408] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[399], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 399 [pid 5408] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5408] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5409 attached [pid 5409] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5409] memfd_create("syzkaller", 0) = 3 [pid 5409] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5407] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=397, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=38 /* 0.38 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5409] 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"..., 67108864) = 67108864 [pid 5409] munmap(0x7f0f30428000, 67108864) = 0 [pid 5409] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5409] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5409] ioctl(4, LOOP_CLR_FD) = 0 [pid 5409] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5409] close(4) = 0 [pid 5409] close(3) = 0 [pid 5409] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5408] <... futex resumed>) = 0 [pid 5408] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5408] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5409] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5408] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5408] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5408] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5409] <... mmap resumed>) = 0x20000000 [pid 5408] <... mmap resumed>) = 0x7f0f34407000 [pid 5408] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE [pid 5409] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5408] <... mprotect resumed>) = 0 [pid 5408] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[400], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 400 [pid 5408] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5408] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5409] <... futex resumed>) = 0 [pid 5409] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5410 attached [pid 5410] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5410] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5411 attached [pid 5411] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5408] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5408] close(3) = -1 EBADF (Bad file descriptor) [pid 5408] close(4) = -1 EBADF (Bad file descriptor) [pid 5408] close(5) = -1 EBADF (Bad file descriptor) [pid 5408] close(6) = -1 EBADF (Bad file descriptor) [pid 5408] close(7) = -1 EBADF (Bad file descriptor) [pid 5408] close(8) = -1 EBADF (Bad file descriptor) [pid 5408] close(9) = -1 EBADF (Bad file descriptor) [pid 5408] close(10) = -1 EBADF (Bad file descriptor) [pid 5408] close(11) = -1 EBADF (Bad file descriptor) [pid 5408] close(12) = -1 EBADF (Bad file descriptor) [pid 5408] close(13) = -1 EBADF (Bad file descriptor) [pid 5408] close(14) = -1 EBADF (Bad file descriptor) [pid 5408] close(15) = -1 EBADF (Bad file descriptor) [pid 5408] close(16) = -1 EBADF (Bad file descriptor) [pid 5408] close(17) = -1 EBADF (Bad file descriptor) [pid 5408] close(18) = -1 EBADF (Bad file descriptor) [pid 5408] close(19) = -1 EBADF (Bad file descriptor) [pid 5408] close(20) = -1 EBADF (Bad file descriptor) [pid 5408] close(21) = -1 EBADF (Bad file descriptor) [pid 5408] close(22) = -1 EBADF (Bad file descriptor) [pid 5408] close(23) = -1 EBADF (Bad file descriptor) [pid 5408] close(24) = -1 EBADF (Bad file descriptor) [pid 5408] close(25) = -1 EBADF (Bad file descriptor) [pid 5408] close(26) = -1 EBADF (Bad file descriptor) [pid 5408] close(27) = -1 EBADF (Bad file descriptor) [pid 5408] close(28) = -1 EBADF (Bad file descriptor) [pid 5408] close(29) = -1 EBADF (Bad file descriptor) [pid 5408] exit_group(0 [pid 5410] <... clone resumed>) = ? [pid 5409] <... futex resumed>) = ? [pid 5408] <... exit_group resumed>) = ? [pid 5410] +++ exited with 0 +++ [pid 5409] +++ exited with 0 +++ [pid 5408] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=398, si_uid=0, si_status=0, si_utime=15 /* 0.15 s */, si_stime=79 /* 0.79 s */} --- [pid 5000] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 402 ./strace-static-x86_64: Process 5412 attached [pid 5412] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5412] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5412] setpgid(0, 0) = 0 [pid 5412] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5412] write(3, "1000", 4) = 4 [pid 5412] close(3) = 0 [pid 5412] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5412] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5412] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5412] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[403], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 403 [pid 5412] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5412] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5413 attached [pid 5413] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5413] memfd_create("syzkaller", 0) = 3 [pid 5413] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5413] 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"..., 67108864 [pid 5411] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=401, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=44 /* 0.44 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5413] <... write resumed>) = 67108864 [pid 5413] munmap(0x7f0f30428000, 67108864) = 0 [pid 5413] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5413] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5413] ioctl(4, LOOP_CLR_FD) = 0 [pid 5413] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5413] close(4) = 0 [pid 5413] close(3) = 0 [pid 5413] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5412] <... futex resumed>) = 0 [pid 5412] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5412] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5413] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5412] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5412] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5412] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5413] <... mmap resumed>) = 0x20000000 [pid 5412] <... mmap resumed>) = 0x7f0f34407000 [pid 5412] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE [pid 5413] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5412] <... mprotect resumed>) = 0 [pid 5412] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5413] <... futex resumed>) = 0 [pid 5413] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5412] <... clone resumed>, parent_tid=[404], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 404 [pid 5412] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5412] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5414 attached [pid 5414] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5414] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5415 attached [pid 5415] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5412] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5412] close(3) = -1 EBADF (Bad file descriptor) [pid 5412] close(4) = -1 EBADF (Bad file descriptor) [pid 5412] close(5) = -1 EBADF (Bad file descriptor) [pid 5412] close(6) = -1 EBADF (Bad file descriptor) [pid 5412] close(7) = -1 EBADF (Bad file descriptor) [pid 5412] close(8) = -1 EBADF (Bad file descriptor) [pid 5412] close(9) = -1 EBADF (Bad file descriptor) [pid 5412] close(10) = -1 EBADF (Bad file descriptor) [pid 5412] close(11) = -1 EBADF (Bad file descriptor) [pid 5412] close(12) = -1 EBADF (Bad file descriptor) [pid 5412] close(13) = -1 EBADF (Bad file descriptor) [pid 5412] close(14) = -1 EBADF (Bad file descriptor) [pid 5412] close(15) = -1 EBADF (Bad file descriptor) [pid 5412] close(16) = -1 EBADF (Bad file descriptor) [pid 5412] close(17) = -1 EBADF (Bad file descriptor) [pid 5412] close(18) = -1 EBADF (Bad file descriptor) [pid 5412] close(19) = -1 EBADF (Bad file descriptor) [pid 5412] close(20) = -1 EBADF (Bad file descriptor) [pid 5412] close(21) = -1 EBADF (Bad file descriptor) [pid 5412] close(22) = -1 EBADF (Bad file descriptor) [pid 5412] close(23) = -1 EBADF (Bad file descriptor) [pid 5412] close(24) = -1 EBADF (Bad file descriptor) [pid 5412] close(25) = -1 EBADF (Bad file descriptor) [pid 5412] close(26) = -1 EBADF (Bad file descriptor) [pid 5412] close(27) = -1 EBADF (Bad file descriptor) [pid 5412] close(28) = -1 EBADF (Bad file descriptor) [pid 5412] close(29) = -1 EBADF (Bad file descriptor) [pid 5412] exit_group(0 [pid 5414] <... clone resumed>) = ? [pid 5413] <... futex resumed>) = ? [pid 5412] <... exit_group resumed>) = ? [pid 5414] +++ exited with 0 +++ [pid 5413] +++ exited with 0 +++ [pid 5412] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=402, si_uid=0, si_status=0, si_utime=16 /* 0.16 s */, si_stime=73 /* 0.73 s */} --- [pid 5000] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 406 ./strace-static-x86_64: Process 5416 attached [pid 5416] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5416] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5416] setpgid(0, 0) = 0 [pid 5416] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5416] write(3, "1000", 4) = 4 [pid 5416] close(3) = 0 [pid 5416] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5416] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5416] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5416] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[407], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 407 [pid 5416] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5416] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5417 attached [pid 5417] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5417] memfd_create("syzkaller", 0) = 3 [pid 5417] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5415] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=405, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=42 /* 0.42 s */} --- [pid 5417] 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"..., 67108864) = 67108864 [pid 5417] munmap(0x7f0f30428000, 67108864) = 0 [pid 5417] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5417] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5417] ioctl(4, LOOP_CLR_FD) = 0 [pid 5417] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5417] close(4) = 0 [pid 5417] close(3) = 0 [pid 5417] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5416] <... futex resumed>) = 0 [pid 5416] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5416] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5417] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5416] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5416] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5416] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5416] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5417] <... mmap resumed>) = 0x20000000 [pid 5416] <... mmap resumed>) = 0x7f0f34407000 [pid 5416] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE [pid 5417] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5416] <... mprotect resumed>) = 0 [pid 5416] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5417] <... futex resumed>) = 0 [pid 5416] <... clone resumed>, parent_tid=[408], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 408 [pid 5416] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5416] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5417] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5418 attached [pid 5418] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5418] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5419 attached [pid 5419] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5416] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5416] close(3) = -1 EBADF (Bad file descriptor) [pid 5416] close(4) = -1 EBADF (Bad file descriptor) [pid 5416] close(5) = -1 EBADF (Bad file descriptor) [pid 5416] close(6) = -1 EBADF (Bad file descriptor) [pid 5416] close(7) = -1 EBADF (Bad file descriptor) [pid 5416] close(8) = -1 EBADF (Bad file descriptor) [pid 5416] close(9) = -1 EBADF (Bad file descriptor) [pid 5416] close(10) = -1 EBADF (Bad file descriptor) [pid 5416] close(11) = -1 EBADF (Bad file descriptor) [pid 5416] close(12) = -1 EBADF (Bad file descriptor) [pid 5416] close(13) = -1 EBADF (Bad file descriptor) [pid 5416] close(14) = -1 EBADF (Bad file descriptor) [pid 5416] close(15) = -1 EBADF (Bad file descriptor) [pid 5416] close(16) = -1 EBADF (Bad file descriptor) [pid 5416] close(17) = -1 EBADF (Bad file descriptor) [pid 5416] close(18) = -1 EBADF (Bad file descriptor) [pid 5416] close(19) = -1 EBADF (Bad file descriptor) [pid 5416] close(20) = -1 EBADF (Bad file descriptor) [pid 5416] close(21) = -1 EBADF (Bad file descriptor) [pid 5416] close(22) = -1 EBADF (Bad file descriptor) [pid 5416] close(23) = -1 EBADF (Bad file descriptor) [pid 5416] close(24) = -1 EBADF (Bad file descriptor) [pid 5416] close(25) = -1 EBADF (Bad file descriptor) [pid 5416] close(26) = -1 EBADF (Bad file descriptor) [pid 5416] close(27) = -1 EBADF (Bad file descriptor) [pid 5416] close(28) = -1 EBADF (Bad file descriptor) [pid 5416] close(29) = -1 EBADF (Bad file descriptor) [pid 5416] exit_group(0 [pid 5418] <... clone resumed>) = ? [pid 5417] <... futex resumed>) = ? [pid 5416] <... exit_group resumed>) = ? [pid 5418] +++ exited with 0 +++ [pid 5417] +++ exited with 0 +++ [pid 5416] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=406, si_uid=0, si_status=0, si_utime=16 /* 0.16 s */, si_stime=80 /* 0.80 s */} --- [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 410 ./strace-static-x86_64: Process 5420 attached [pid 5420] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5420] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5420] setpgid(0, 0) = 0 [pid 5420] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5420] write(3, "1000", 4) = 4 [pid 5420] close(3) = 0 [pid 5420] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5420] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5420] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5420] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[411], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 411 [pid 5420] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5420] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5421 attached [pid 5421] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5421] memfd_create("syzkaller", 0) = 3 [pid 5421] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5419] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=409, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=37 /* 0.37 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5421] 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"..., 67108864) = 67108864 [pid 5421] munmap(0x7f0f30428000, 67108864) = 0 [pid 5421] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5421] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5421] ioctl(4, LOOP_CLR_FD) = 0 [pid 5421] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5421] close(4) = 0 [pid 5421] close(3) = 0 [pid 5421] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5420] <... futex resumed>) = 0 [pid 5420] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5420] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5421] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5420] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5420] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5420] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5420] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5421] <... mmap resumed>) = 0x20000000 [pid 5420] <... mmap resumed>) = 0x7f0f34407000 [pid 5420] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE [pid 5421] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5420] <... mprotect resumed>) = 0 [pid 5420] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5421] <... futex resumed>) = 0 [pid 5421] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5422 attached [pid 5420] <... clone resumed>, parent_tid=[412], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 412 [pid 5422] set_robust_list(0x7f0f344279e0, 24 [pid 5420] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5422] <... set_robust_list resumed>) = 0 [pid 5420] <... futex resumed>) = 0 [pid 5422] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO [pid 5420] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5423 attached [pid 5423] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5420] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5420] close(3) = -1 EBADF (Bad file descriptor) [pid 5420] close(4) = -1 EBADF (Bad file descriptor) [pid 5420] close(5) = -1 EBADF (Bad file descriptor) [pid 5420] close(6) = -1 EBADF (Bad file descriptor) [pid 5420] close(7) = -1 EBADF (Bad file descriptor) [pid 5420] close(8) = -1 EBADF (Bad file descriptor) [pid 5420] close(9) = -1 EBADF (Bad file descriptor) [pid 5420] close(10) = -1 EBADF (Bad file descriptor) [pid 5420] close(11) = -1 EBADF (Bad file descriptor) [pid 5420] close(12) = -1 EBADF (Bad file descriptor) [pid 5420] close(13) = -1 EBADF (Bad file descriptor) [pid 5420] close(14) = -1 EBADF (Bad file descriptor) [pid 5420] close(15) = -1 EBADF (Bad file descriptor) [pid 5420] close(16) = -1 EBADF (Bad file descriptor) [pid 5420] close(17) = -1 EBADF (Bad file descriptor) [pid 5420] close(18) = -1 EBADF (Bad file descriptor) [pid 5420] close(19) = -1 EBADF (Bad file descriptor) [pid 5420] close(20) = -1 EBADF (Bad file descriptor) [pid 5420] close(21) = -1 EBADF (Bad file descriptor) [pid 5420] close(22) = -1 EBADF (Bad file descriptor) [pid 5420] close(23) = -1 EBADF (Bad file descriptor) [pid 5420] close(24) = -1 EBADF (Bad file descriptor) [pid 5420] close(25) = -1 EBADF (Bad file descriptor) [pid 5420] close(26) = -1 EBADF (Bad file descriptor) [pid 5420] close(27) = -1 EBADF (Bad file descriptor) [pid 5420] close(28) = -1 EBADF (Bad file descriptor) [pid 5420] close(29) = -1 EBADF (Bad file descriptor) [pid 5420] exit_group(0 [pid 5421] <... futex resumed>) = ? [pid 5422] <... clone resumed>) = ? [pid 5420] <... exit_group resumed>) = ? [pid 5421] +++ exited with 0 +++ [pid 5422] +++ exited with 0 +++ [pid 5420] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=410, si_uid=0, si_status=0, si_utime=16 /* 0.16 s */, si_stime=76 /* 0.76 s */} --- [pid 5000] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 414 ./strace-static-x86_64: Process 5424 attached [pid 5424] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5424] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5424] setpgid(0, 0) = 0 [pid 5424] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5424] write(3, "1000", 4) = 4 [pid 5424] close(3) = 0 [pid 5424] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5424] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5424] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5424] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[415], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 415 [pid 5424] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5424] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5425 attached [pid 5425] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5425] memfd_create("syzkaller", 0) = 3 [pid 5425] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5423] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=413, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=42 /* 0.42 s */} --- [pid 5425] 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"..., 67108864) = 67108864 [pid 5425] munmap(0x7f0f30428000, 67108864) = 0 [pid 5425] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5425] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5425] ioctl(4, LOOP_CLR_FD) = 0 [pid 5425] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5425] close(4) = 0 [pid 5425] close(3) = 0 [pid 5425] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5424] <... futex resumed>) = 0 [pid 5424] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5424] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5425] <... futex resumed>) = 1 [pid 5425] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5424] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5424] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5424] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5424] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5425] <... mmap resumed>) = 0x20000000 [pid 5425] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5425] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5424] <... mmap resumed>) = 0x7f0f34407000 [pid 5424] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5424] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 5426 attached [pid 5426] set_robust_list(0x7f0f344279e0, 24 [pid 5424] <... clone resumed>, parent_tid=[416], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 416 [pid 5424] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5426] <... set_robust_list resumed>) = 0 [pid 5424] <... futex resumed>) = 0 [pid 5426] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO [pid 5424] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5427 attached [pid 5427] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5424] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5424] close(3) = -1 EBADF (Bad file descriptor) [pid 5424] close(4) = -1 EBADF (Bad file descriptor) [pid 5424] close(5) = -1 EBADF (Bad file descriptor) [pid 5424] close(6) = -1 EBADF (Bad file descriptor) [pid 5424] close(7) = -1 EBADF (Bad file descriptor) [pid 5424] close(8) = -1 EBADF (Bad file descriptor) [pid 5424] close(9) = -1 EBADF (Bad file descriptor) [pid 5424] close(10) = -1 EBADF (Bad file descriptor) [pid 5424] close(11) = -1 EBADF (Bad file descriptor) [pid 5424] close(12) = -1 EBADF (Bad file descriptor) [pid 5424] close(13) = -1 EBADF (Bad file descriptor) [pid 5424] close(14) = -1 EBADF (Bad file descriptor) [pid 5424] close(15) = -1 EBADF (Bad file descriptor) [pid 5424] close(16) = -1 EBADF (Bad file descriptor) [pid 5424] close(17) = -1 EBADF (Bad file descriptor) [pid 5424] close(18) = -1 EBADF (Bad file descriptor) [pid 5424] close(19) = -1 EBADF (Bad file descriptor) [pid 5424] close(20) = -1 EBADF (Bad file descriptor) [pid 5424] close(21) = -1 EBADF (Bad file descriptor) [pid 5424] close(22) = -1 EBADF (Bad file descriptor) [pid 5424] close(23) = -1 EBADF (Bad file descriptor) [pid 5424] close(24) = -1 EBADF (Bad file descriptor) [pid 5424] close(25) = -1 EBADF (Bad file descriptor) [pid 5424] close(26) = -1 EBADF (Bad file descriptor) [pid 5424] close(27) = -1 EBADF (Bad file descriptor) [pid 5424] close(28) = -1 EBADF (Bad file descriptor) [pid 5424] close(29) = -1 EBADF (Bad file descriptor) [pid 5424] exit_group(0 [pid 5425] <... futex resumed>) = ? [pid 5426] <... clone resumed>) = ? [pid 5424] <... exit_group resumed>) = ? [pid 5425] +++ exited with 0 +++ [pid 5426] +++ exited with 0 +++ [pid 5424] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=414, si_uid=0, si_status=0, si_utime=14 /* 0.14 s */, si_stime=71 /* 0.71 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 418 ./strace-static-x86_64: Process 5428 attached [pid 5428] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5428] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5428] setpgid(0, 0) = 0 [pid 5428] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5428] write(3, "1000", 4) = 4 [pid 5428] close(3) = 0 [pid 5428] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5428] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5428] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5428] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[419], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 419 [pid 5428] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5428] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5429 attached [pid 5429] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5429] memfd_create("syzkaller", 0) = 3 [pid 5429] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5427] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=417, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=39 /* 0.39 s */} --- [pid 5429] 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"..., 67108864) = 67108864 [pid 5429] munmap(0x7f0f30428000, 67108864) = 0 [pid 5429] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5429] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5429] ioctl(4, LOOP_CLR_FD) = 0 [pid 5429] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5429] close(4) = 0 [pid 5429] close(3) = 0 [pid 5429] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5428] <... futex resumed>) = 0 [pid 5428] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5428] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5429] <... futex resumed>) = 1 [pid 5429] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5428] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5428] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5428] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5428] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f34407000 [pid 5428] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5428] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[420], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 420 [pid 5428] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5428] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5429] <... mmap resumed>) = 0x20000000 [pid 5429] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5429] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5430 attached [pid 5430] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5430] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5431 attached [pid 5431] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5428] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5428] close(3) = -1 EBADF (Bad file descriptor) [pid 5428] close(4) = -1 EBADF (Bad file descriptor) [pid 5428] close(5) = -1 EBADF (Bad file descriptor) [pid 5428] close(6) = -1 EBADF (Bad file descriptor) [pid 5428] close(7) = -1 EBADF (Bad file descriptor) [pid 5428] close(8) = -1 EBADF (Bad file descriptor) [pid 5428] close(9) = -1 EBADF (Bad file descriptor) [pid 5428] close(10) = -1 EBADF (Bad file descriptor) [pid 5428] close(11) = -1 EBADF (Bad file descriptor) [pid 5428] close(12) = -1 EBADF (Bad file descriptor) [pid 5428] close(13) = -1 EBADF (Bad file descriptor) [pid 5428] close(14) = -1 EBADF (Bad file descriptor) [pid 5428] close(15) = -1 EBADF (Bad file descriptor) [pid 5428] close(16) = -1 EBADF (Bad file descriptor) [pid 5428] close(17) = -1 EBADF (Bad file descriptor) [pid 5428] close(18) = -1 EBADF (Bad file descriptor) [pid 5428] close(19) = -1 EBADF (Bad file descriptor) [pid 5428] close(20) = -1 EBADF (Bad file descriptor) [pid 5428] close(21) = -1 EBADF (Bad file descriptor) [pid 5428] close(22) = -1 EBADF (Bad file descriptor) [pid 5428] close(23) = -1 EBADF (Bad file descriptor) [pid 5428] close(24) = -1 EBADF (Bad file descriptor) [pid 5428] close(25) = -1 EBADF (Bad file descriptor) [pid 5428] close(26) = -1 EBADF (Bad file descriptor) [pid 5428] close(27) = -1 EBADF (Bad file descriptor) [pid 5428] close(28) = -1 EBADF (Bad file descriptor) [pid 5428] close(29) = -1 EBADF (Bad file descriptor) [pid 5428] exit_group(0 [pid 5430] <... clone resumed>) = ? [pid 5429] <... futex resumed>) = ? [pid 5428] <... exit_group resumed>) = ? [pid 5430] +++ exited with 0 +++ [pid 5429] +++ exited with 0 +++ [pid 5428] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=418, si_uid=0, si_status=0, si_utime=13 /* 0.13 s */, si_stime=78 /* 0.78 s */} --- [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 422 ./strace-static-x86_64: Process 5432 attached [pid 5432] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5432] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5432] setpgid(0, 0) = 0 [pid 5432] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5432] write(3, "1000", 4) = 4 [pid 5432] close(3) = 0 [pid 5432] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5432] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5432] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5432] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[423], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 423 [pid 5432] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5432] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5433 attached [pid 5433] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5433] memfd_create("syzkaller", 0) = 3 [pid 5433] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5431] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=421, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=39 /* 0.39 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5433] 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"..., 67108864) = 67108864 [pid 5433] munmap(0x7f0f30428000, 67108864) = 0 [pid 5433] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5433] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5433] ioctl(4, LOOP_CLR_FD) = 0 [pid 5433] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5433] close(4) = 0 [pid 5433] close(3) = 0 [pid 5433] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5432] <... futex resumed>) = 0 [pid 5432] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5432] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5433] <... futex resumed>) = 1 [pid 5433] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5432] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5432] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5432] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f34407000 [pid 5432] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5432] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[424], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 424 [pid 5432] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5432] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5433] <... mmap resumed>) = 0x20000000 [pid 5433] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5433] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5436 attached [pid 5436] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5436] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5437 attached [pid 5437] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5432] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5432] close(3) = -1 EBADF (Bad file descriptor) [pid 5432] close(4) = -1 EBADF (Bad file descriptor) [pid 5432] close(5) = -1 EBADF (Bad file descriptor) [pid 5432] close(6) = -1 EBADF (Bad file descriptor) [pid 5432] close(7) = -1 EBADF (Bad file descriptor) [pid 5432] close(8) = -1 EBADF (Bad file descriptor) [pid 5432] close(9) = -1 EBADF (Bad file descriptor) [pid 5432] close(10) = -1 EBADF (Bad file descriptor) [pid 5432] close(11) = -1 EBADF (Bad file descriptor) [pid 5432] close(12) = -1 EBADF (Bad file descriptor) [pid 5432] close(13) = -1 EBADF (Bad file descriptor) [pid 5432] close(14) = -1 EBADF (Bad file descriptor) [pid 5432] close(15) = -1 EBADF (Bad file descriptor) [pid 5432] close(16) = -1 EBADF (Bad file descriptor) [pid 5432] close(17) = -1 EBADF (Bad file descriptor) [pid 5432] close(18) = -1 EBADF (Bad file descriptor) [pid 5432] close(19) = -1 EBADF (Bad file descriptor) [pid 5432] close(20) = -1 EBADF (Bad file descriptor) [pid 5432] close(21) = -1 EBADF (Bad file descriptor) [pid 5432] close(22) = -1 EBADF (Bad file descriptor) [pid 5432] close(23) = -1 EBADF (Bad file descriptor) [pid 5432] close(24) = -1 EBADF (Bad file descriptor) [pid 5432] close(25) = -1 EBADF (Bad file descriptor) [pid 5432] close(26) = -1 EBADF (Bad file descriptor) [pid 5432] close(27) = -1 EBADF (Bad file descriptor) [pid 5432] close(28) = -1 EBADF (Bad file descriptor) [pid 5432] close(29) = -1 EBADF (Bad file descriptor) [pid 5432] exit_group(0 [pid 5436] <... clone resumed>) = ? [pid 5433] <... futex resumed>) = ? [pid 5432] <... exit_group resumed>) = ? [pid 5436] +++ exited with 0 +++ [pid 5433] +++ exited with 0 +++ [pid 5432] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=422, si_uid=0, si_status=0, si_utime=15 /* 0.15 s */, si_stime=71 /* 0.71 s */} --- [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 426 ./strace-static-x86_64: Process 5438 attached [pid 5438] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5438] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5438] setpgid(0, 0) = 0 [pid 5438] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5438] write(3, "1000", 4) = 4 [pid 5438] close(3) = 0 [pid 5438] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5438] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5438] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5438] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[427], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 427 [pid 5438] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5438] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5439 attached [pid 5439] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5439] memfd_create("syzkaller", 0) = 3 [pid 5439] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5437] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=425, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=41 /* 0.41 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5439] 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"..., 67108864) = 67108864 [pid 5439] munmap(0x7f0f30428000, 67108864) = 0 [pid 5439] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5439] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5439] ioctl(4, LOOP_CLR_FD) = 0 [pid 5439] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5439] close(4) = 0 [pid 5439] close(3) = 0 [pid 5439] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5438] <... futex resumed>) = 0 [pid 5438] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5438] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5439] <... futex resumed>) = 1 [pid 5439] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5438] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5438] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5438] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f34407000 [pid 5438] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5438] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[428], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 428 [pid 5438] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5438] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5439] <... mmap resumed>) = 0x20000000 [pid 5439] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5439] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5441 attached [pid 5441] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5441] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5442 attached [pid 5442] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5438] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5438] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5438] close(3) = -1 EBADF (Bad file descriptor) [pid 5438] close(4) = -1 EBADF (Bad file descriptor) [pid 5438] close(5) = -1 EBADF (Bad file descriptor) [pid 5438] close(6) = -1 EBADF (Bad file descriptor) [pid 5438] close(7) = -1 EBADF (Bad file descriptor) [pid 5438] close(8) = -1 EBADF (Bad file descriptor) [pid 5438] close(9) = -1 EBADF (Bad file descriptor) [pid 5438] close(10) = -1 EBADF (Bad file descriptor) [pid 5438] close(11) = -1 EBADF (Bad file descriptor) [pid 5438] close(12) = -1 EBADF (Bad file descriptor) [pid 5438] close(13) = -1 EBADF (Bad file descriptor) [pid 5438] close(14) = -1 EBADF (Bad file descriptor) [pid 5438] close(15) = -1 EBADF (Bad file descriptor) [pid 5438] close(16) = -1 EBADF (Bad file descriptor) [pid 5438] close(17) = -1 EBADF (Bad file descriptor) [pid 5438] close(18) = -1 EBADF (Bad file descriptor) [pid 5438] close(19) = -1 EBADF (Bad file descriptor) [pid 5438] close(20) = -1 EBADF (Bad file descriptor) [pid 5438] close(21) = -1 EBADF (Bad file descriptor) [pid 5438] close(22) = -1 EBADF (Bad file descriptor) [pid 5438] close(23) = -1 EBADF (Bad file descriptor) [pid 5438] close(24) = -1 EBADF (Bad file descriptor) [pid 5438] close(25) = -1 EBADF (Bad file descriptor) [pid 5438] close(26) = -1 EBADF (Bad file descriptor) [pid 5438] close(27) = -1 EBADF (Bad file descriptor) [pid 5438] close(28) = -1 EBADF (Bad file descriptor) [pid 5438] close(29) = -1 EBADF (Bad file descriptor) [pid 5438] exit_group(0 [pid 5441] <... clone resumed>) = ? [pid 5439] <... futex resumed>) = ? [pid 5438] <... exit_group resumed>) = ? [pid 5441] +++ exited with 0 +++ [pid 5439] +++ exited with 0 +++ [pid 5438] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=426, si_uid=0, si_status=0, si_utime=12 /* 0.12 s */, si_stime=85 /* 0.85 s */} --- [pid 5000] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 430 ./strace-static-x86_64: Process 5444 attached [pid 5444] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5444] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5444] setpgid(0, 0) = 0 [pid 5444] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5444] write(3, "1000", 4) = 4 [pid 5444] close(3) = 0 [pid 5444] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5444] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5444] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5444] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[431], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 431 [pid 5444] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5444] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5445 attached [pid 5445] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5445] memfd_create("syzkaller", 0) = 3 [pid 5445] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5442] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=429, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=42 /* 0.42 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5445] 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"..., 67108864) = 67108864 [pid 5445] munmap(0x7f0f30428000, 67108864) = 0 [pid 5445] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5445] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5445] ioctl(4, LOOP_CLR_FD) = 0 [pid 5445] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5445] close(4) = 0 [pid 5445] close(3) = 0 [pid 5445] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5444] <... futex resumed>) = 0 [pid 5444] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5444] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5445] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5444] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5444] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5444] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5445] <... mmap resumed>) = 0x20000000 [pid 5444] <... mmap resumed>) = 0x7f0f34407000 [pid 5444] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5445] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5444] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5445] <... futex resumed>) = 0 [pid 5445] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5444] <... clone resumed>, parent_tid=[432], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 432 [pid 5444] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5444] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5447 attached [pid 5447] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5447] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5448 attached [pid 5448] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5444] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5444] close(3) = -1 EBADF (Bad file descriptor) [pid 5444] close(4) = -1 EBADF (Bad file descriptor) [pid 5444] close(5) = -1 EBADF (Bad file descriptor) [pid 5444] close(6) = -1 EBADF (Bad file descriptor) [pid 5444] close(7) = -1 EBADF (Bad file descriptor) [pid 5444] close(8) = -1 EBADF (Bad file descriptor) [pid 5444] close(9) = -1 EBADF (Bad file descriptor) [pid 5444] close(10) = -1 EBADF (Bad file descriptor) [pid 5444] close(11) = -1 EBADF (Bad file descriptor) [pid 5444] close(12) = -1 EBADF (Bad file descriptor) [pid 5444] close(13) = -1 EBADF (Bad file descriptor) [pid 5444] close(14) = -1 EBADF (Bad file descriptor) [pid 5444] close(15) = -1 EBADF (Bad file descriptor) [pid 5444] close(16) = -1 EBADF (Bad file descriptor) [pid 5444] close(17) = -1 EBADF (Bad file descriptor) [pid 5444] close(18) = -1 EBADF (Bad file descriptor) [pid 5444] close(19) = -1 EBADF (Bad file descriptor) [pid 5444] close(20) = -1 EBADF (Bad file descriptor) [pid 5444] close(21) = -1 EBADF (Bad file descriptor) [pid 5444] close(22) = -1 EBADF (Bad file descriptor) [pid 5444] close(23) = -1 EBADF (Bad file descriptor) [pid 5444] close(24) = -1 EBADF (Bad file descriptor) [pid 5444] close(25) = -1 EBADF (Bad file descriptor) [pid 5444] close(26) = -1 EBADF (Bad file descriptor) [pid 5444] close(27) = -1 EBADF (Bad file descriptor) [pid 5444] close(28) = -1 EBADF (Bad file descriptor) [pid 5444] close(29) = -1 EBADF (Bad file descriptor) [pid 5444] exit_group(0 [pid 5447] <... clone resumed>) = ? [pid 5445] <... futex resumed>) = ? [pid 5444] <... exit_group resumed>) = ? [pid 5447] +++ exited with 0 +++ [pid 5445] +++ exited with 0 +++ [pid 5444] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=430, si_uid=0, si_status=0, si_utime=14 /* 0.14 s */, si_stime=76 /* 0.76 s */} --- [pid 5000] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 434 ./strace-static-x86_64: Process 5449 attached [pid 5449] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5449] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5449] setpgid(0, 0) = 0 [pid 5449] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5449] write(3, "1000", 4) = 4 [pid 5449] close(3) = 0 [pid 5449] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5449] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5449] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5449] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[435], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 435 [pid 5449] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5449] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5450 attached [pid 5450] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5450] memfd_create("syzkaller", 0) = 3 [pid 5450] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5448] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=433, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=41 /* 0.41 s */} --- [pid 5450] 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"..., 67108864) = 67108864 [pid 5450] munmap(0x7f0f30428000, 67108864) = 0 [pid 5450] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5450] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5450] ioctl(4, LOOP_CLR_FD) = 0 [pid 5450] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5450] close(4) = 0 [pid 5450] close(3) = 0 [pid 5450] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5449] <... futex resumed>) = 0 [pid 5449] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5449] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5450] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5449] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5449] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5449] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5450] <... mmap resumed>) = 0x20000000 [pid 5449] <... mmap resumed>) = 0x7f0f34407000 [pid 5449] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE [pid 5450] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5449] <... mprotect resumed>) = 0 [pid 5449] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5450] <... futex resumed>) = 0 [pid 5449] <... clone resumed>, parent_tid=[436], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 436 [pid 5449] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5449] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5450] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5452 attached [pid 5452] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5452] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5453 attached [pid 5453] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5449] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5449] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5449] close(3) = -1 EBADF (Bad file descriptor) [pid 5449] close(4) = -1 EBADF (Bad file descriptor) [pid 5449] close(5) = -1 EBADF (Bad file descriptor) [pid 5449] close(6) = -1 EBADF (Bad file descriptor) [pid 5449] close(7) = -1 EBADF (Bad file descriptor) [pid 5449] close(8) = -1 EBADF (Bad file descriptor) [pid 5449] close(9) = -1 EBADF (Bad file descriptor) [pid 5449] close(10) = -1 EBADF (Bad file descriptor) [pid 5449] close(11) = -1 EBADF (Bad file descriptor) [pid 5449] close(12) = -1 EBADF (Bad file descriptor) [pid 5449] close(13) = -1 EBADF (Bad file descriptor) [pid 5449] close(14) = -1 EBADF (Bad file descriptor) [pid 5449] close(15) = -1 EBADF (Bad file descriptor) [pid 5449] close(16) = -1 EBADF (Bad file descriptor) [pid 5449] close(17) = -1 EBADF (Bad file descriptor) [pid 5449] close(18) = -1 EBADF (Bad file descriptor) [pid 5449] close(19) = -1 EBADF (Bad file descriptor) [pid 5449] close(20) = -1 EBADF (Bad file descriptor) [pid 5449] close(21) = -1 EBADF (Bad file descriptor) [pid 5449] close(22) = -1 EBADF (Bad file descriptor) [pid 5449] close(23) = -1 EBADF (Bad file descriptor) [pid 5449] close(24) = -1 EBADF (Bad file descriptor) [pid 5449] close(25) = -1 EBADF (Bad file descriptor) [pid 5449] close(26) = -1 EBADF (Bad file descriptor) [pid 5449] close(27) = -1 EBADF (Bad file descriptor) [pid 5449] close(28) = -1 EBADF (Bad file descriptor) [pid 5449] close(29) = -1 EBADF (Bad file descriptor) [pid 5449] exit_group(0 [pid 5452] <... clone resumed>) = ? [pid 5450] <... futex resumed>) = ? [pid 5449] <... exit_group resumed>) = ? [pid 5452] +++ exited with 0 +++ [pid 5450] +++ exited with 0 +++ [pid 5449] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=434, si_uid=0, si_status=0, si_utime=19 /* 0.19 s */, si_stime=72 /* 0.72 s */} --- [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 438 ./strace-static-x86_64: Process 5454 attached [pid 5454] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5454] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5454] setpgid(0, 0) = 0 [pid 5454] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5454] write(3, "1000", 4) = 4 [pid 5454] close(3) = 0 [pid 5454] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5454] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5454] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5454] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[439], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 439 [pid 5454] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5454] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5455 attached [pid 5455] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5455] memfd_create("syzkaller", 0) = 3 [pid 5455] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5455] 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"..., 67108864 [pid 5453] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=437, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=34 /* 0.34 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5455] <... write resumed>) = 67108864 [pid 5455] munmap(0x7f0f30428000, 67108864) = 0 [pid 5455] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5455] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5455] ioctl(4, LOOP_CLR_FD) = 0 [pid 5455] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5455] close(4) = 0 [pid 5455] close(3) = 0 [pid 5455] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5454] <... futex resumed>) = 0 [pid 5454] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5454] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5455] <... futex resumed>) = 1 [pid 5455] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5454] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5454] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5454] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f34407000 [pid 5455] <... mmap resumed>) = 0x20000000 [pid 5454] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE [pid 5455] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5454] <... mprotect resumed>) = 0 [pid 5454] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5455] <... futex resumed>) = 0 [pid 5454] <... clone resumed>, parent_tid=[440], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 440 [pid 5454] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5454] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5455] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5456 attached [pid 5456] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5456] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5457 attached [pid 5457] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5454] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5454] close(3) = -1 EBADF (Bad file descriptor) [pid 5454] close(4) = -1 EBADF (Bad file descriptor) [pid 5454] close(5) = -1 EBADF (Bad file descriptor) [pid 5454] close(6) = -1 EBADF (Bad file descriptor) [pid 5454] close(7) = -1 EBADF (Bad file descriptor) [pid 5454] close(8) = -1 EBADF (Bad file descriptor) [pid 5454] close(9) = -1 EBADF (Bad file descriptor) [pid 5454] close(10) = -1 EBADF (Bad file descriptor) [pid 5454] close(11) = -1 EBADF (Bad file descriptor) [pid 5454] close(12) = -1 EBADF (Bad file descriptor) [pid 5454] close(13) = -1 EBADF (Bad file descriptor) [pid 5454] close(14) = -1 EBADF (Bad file descriptor) [pid 5454] close(15) = -1 EBADF (Bad file descriptor) [pid 5454] close(16) = -1 EBADF (Bad file descriptor) [pid 5454] close(17) = -1 EBADF (Bad file descriptor) [pid 5454] close(18) = -1 EBADF (Bad file descriptor) [pid 5454] close(19) = -1 EBADF (Bad file descriptor) [pid 5454] close(20) = -1 EBADF (Bad file descriptor) [pid 5454] close(21) = -1 EBADF (Bad file descriptor) [pid 5454] close(22) = -1 EBADF (Bad file descriptor) [pid 5454] close(23) = -1 EBADF (Bad file descriptor) [pid 5454] close(24) = -1 EBADF (Bad file descriptor) [pid 5454] close(25) = -1 EBADF (Bad file descriptor) [pid 5454] close(26) = -1 EBADF (Bad file descriptor) [pid 5454] close(27) = -1 EBADF (Bad file descriptor) [pid 5454] close(28) = -1 EBADF (Bad file descriptor) [pid 5454] close(29) = -1 EBADF (Bad file descriptor) [pid 5454] exit_group(0) = ? [pid 5455] <... futex resumed>) = ? [pid 5456] <... clone resumed>) = ? [pid 5455] +++ exited with 0 +++ [pid 5456] +++ exited with 0 +++ [pid 5454] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=438, si_uid=0, si_status=0, si_utime=19 /* 0.19 s */, si_stime=77 /* 0.77 s */} --- [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 442 ./strace-static-x86_64: Process 5458 attached [pid 5458] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5458] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5458] setpgid(0, 0) = 0 [pid 5458] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5458] write(3, "1000", 4) = 4 [pid 5458] close(3) = 0 [pid 5458] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5458] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5458] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5458] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[443], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 443 [pid 5458] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5458] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5459 attached [pid 5459] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5459] memfd_create("syzkaller", 0) = 3 [pid 5459] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5457] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=441, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=40 /* 0.40 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5459] 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"..., 67108864) = 67108864 [pid 5459] munmap(0x7f0f30428000, 67108864) = 0 [pid 5459] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5459] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5459] ioctl(4, LOOP_CLR_FD) = 0 [pid 5459] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5459] close(4) = 0 [pid 5459] close(3) = 0 [pid 5459] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5458] <... futex resumed>) = 0 [pid 5458] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5458] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5459] <... futex resumed>) = 1 [pid 5459] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5458] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5458] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5458] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f34407000 [pid 5458] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5458] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[444], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 444 [pid 5458] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5458] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5459] <... mmap resumed>) = 0x20000000 [pid 5459] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5459] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5460 attached [pid 5460] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5460] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5461 attached [pid 5461] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5458] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5458] close(3) = -1 EBADF (Bad file descriptor) [pid 5458] close(4) = -1 EBADF (Bad file descriptor) [pid 5458] close(5) = -1 EBADF (Bad file descriptor) [pid 5458] close(6) = -1 EBADF (Bad file descriptor) [pid 5458] close(7) = -1 EBADF (Bad file descriptor) [pid 5458] close(8) = -1 EBADF (Bad file descriptor) [pid 5458] close(9) = -1 EBADF (Bad file descriptor) [pid 5458] close(10) = -1 EBADF (Bad file descriptor) [pid 5458] close(11) = -1 EBADF (Bad file descriptor) [pid 5458] close(12) = -1 EBADF (Bad file descriptor) [pid 5458] close(13) = -1 EBADF (Bad file descriptor) [pid 5458] close(14) = -1 EBADF (Bad file descriptor) [pid 5458] close(15) = -1 EBADF (Bad file descriptor) [pid 5458] close(16) = -1 EBADF (Bad file descriptor) [pid 5458] close(17) = -1 EBADF (Bad file descriptor) [pid 5458] close(18) = -1 EBADF (Bad file descriptor) [pid 5458] close(19) = -1 EBADF (Bad file descriptor) [pid 5458] close(20) = -1 EBADF (Bad file descriptor) [pid 5458] close(21) = -1 EBADF (Bad file descriptor) [pid 5458] close(22) = -1 EBADF (Bad file descriptor) [pid 5458] close(23) = -1 EBADF (Bad file descriptor) [pid 5458] close(24) = -1 EBADF (Bad file descriptor) [pid 5458] close(25) = -1 EBADF (Bad file descriptor) [pid 5458] close(26) = -1 EBADF (Bad file descriptor) [pid 5458] close(27) = -1 EBADF (Bad file descriptor) [pid 5458] close(28) = -1 EBADF (Bad file descriptor) [pid 5458] close(29) = -1 EBADF (Bad file descriptor) [pid 5458] exit_group(0 [pid 5460] <... clone resumed>) = ? [pid 5459] <... futex resumed>) = ? [pid 5458] <... exit_group resumed>) = ? [pid 5460] +++ exited with 0 +++ [pid 5459] +++ exited with 0 +++ [pid 5458] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=442, si_uid=0, si_status=0, si_utime=19 /* 0.19 s */, si_stime=69 /* 0.69 s */} --- [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 446 ./strace-static-x86_64: Process 5462 attached [pid 5462] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5462] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5462] setpgid(0, 0) = 0 [pid 5462] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5462] write(3, "1000", 4) = 4 [pid 5462] close(3) = 0 [pid 5462] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5462] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5462] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5462] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[447], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 447 [pid 5462] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5462] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5463 attached [pid 5463] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5463] memfd_create("syzkaller", 0) = 3 [pid 5463] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5463] 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"..., 67108864 [pid 5461] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=445, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=36 /* 0.36 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5463] <... write resumed>) = 67108864 [pid 5463] munmap(0x7f0f30428000, 67108864) = 0 [pid 5463] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5463] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5463] ioctl(4, LOOP_CLR_FD) = 0 [pid 5463] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5463] close(4) = 0 [pid 5463] close(3) = 0 [pid 5463] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5462] <... futex resumed>) = 0 [pid 5462] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5462] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5463] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5462] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5462] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5462] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5462] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5463] <... mmap resumed>) = 0x20000000 [pid 5462] <... mmap resumed>) = 0x7f0f34407000 [pid 5462] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5462] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[448], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 448 [pid 5462] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5462] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5463] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5463] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5464 attached [pid 5464] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5464] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5465 attached [pid 5465] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5462] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5462] close(3) = -1 EBADF (Bad file descriptor) [pid 5462] close(4) = -1 EBADF (Bad file descriptor) [pid 5462] close(5) = -1 EBADF (Bad file descriptor) [pid 5462] close(6) = -1 EBADF (Bad file descriptor) [pid 5462] close(7) = -1 EBADF (Bad file descriptor) [pid 5462] close(8) = -1 EBADF (Bad file descriptor) [pid 5462] close(9) = -1 EBADF (Bad file descriptor) [pid 5462] close(10) = -1 EBADF (Bad file descriptor) [pid 5462] close(11) = -1 EBADF (Bad file descriptor) [pid 5462] close(12) = -1 EBADF (Bad file descriptor) [pid 5462] close(13) = -1 EBADF (Bad file descriptor) [pid 5462] close(14) = -1 EBADF (Bad file descriptor) [pid 5462] close(15) = -1 EBADF (Bad file descriptor) [pid 5462] close(16) = -1 EBADF (Bad file descriptor) [pid 5462] close(17) = -1 EBADF (Bad file descriptor) [pid 5462] close(18) = -1 EBADF (Bad file descriptor) [pid 5462] close(19) = -1 EBADF (Bad file descriptor) [pid 5462] close(20) = -1 EBADF (Bad file descriptor) [pid 5462] close(21) = -1 EBADF (Bad file descriptor) [pid 5462] close(22) = -1 EBADF (Bad file descriptor) [pid 5462] close(23) = -1 EBADF (Bad file descriptor) [pid 5462] close(24) = -1 EBADF (Bad file descriptor) [pid 5462] close(25) = -1 EBADF (Bad file descriptor) [pid 5462] close(26) = -1 EBADF (Bad file descriptor) [pid 5462] close(27) = -1 EBADF (Bad file descriptor) [pid 5462] close(28) = -1 EBADF (Bad file descriptor) [pid 5462] close(29) = -1 EBADF (Bad file descriptor) [pid 5462] exit_group(0 [pid 5464] <... clone resumed>) = ? [pid 5463] <... futex resumed>) = ? [pid 5462] <... exit_group resumed>) = ? [pid 5464] +++ exited with 0 +++ [pid 5463] +++ exited with 0 +++ [pid 5462] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=446, si_uid=0, si_status=0, si_utime=10 /* 0.10 s */, si_stime=80 /* 0.80 s */} --- [pid 5000] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 450 ./strace-static-x86_64: Process 5466 attached [pid 5466] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5466] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5466] setpgid(0, 0) = 0 [pid 5466] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5466] write(3, "1000", 4) = 4 [pid 5466] close(3) = 0 [pid 5466] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5466] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5466] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5466] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[451], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 451 [pid 5466] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5466] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5467 attached [pid 5467] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5467] memfd_create("syzkaller", 0) = 3 [pid 5467] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5465] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=449, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=43 /* 0.43 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5467] 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"..., 67108864) = 67108864 [pid 5467] munmap(0x7f0f30428000, 67108864) = 0 [pid 5467] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5467] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5467] ioctl(4, LOOP_CLR_FD) = 0 [pid 5467] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5467] close(4) = 0 [pid 5467] close(3) = 0 [pid 5467] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5466] <... futex resumed>) = 0 [pid 5466] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5466] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5467] <... futex resumed>) = 1 [pid 5467] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5466] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5466] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5466] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f34407000 [pid 5466] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5466] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[452], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 452 [pid 5466] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5466] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5467] <... mmap resumed>) = 0x20000000 [pid 5467] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5467] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5468 attached [pid 5468] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5468] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5469 attached [pid 5469] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5466] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5466] close(3) = -1 EBADF (Bad file descriptor) [pid 5466] close(4) = -1 EBADF (Bad file descriptor) [pid 5466] close(5) = -1 EBADF (Bad file descriptor) [pid 5466] close(6) = -1 EBADF (Bad file descriptor) [pid 5466] close(7) = -1 EBADF (Bad file descriptor) [pid 5466] close(8) = -1 EBADF (Bad file descriptor) [pid 5466] close(9) = -1 EBADF (Bad file descriptor) [pid 5466] close(10) = -1 EBADF (Bad file descriptor) [pid 5466] close(11) = -1 EBADF (Bad file descriptor) [pid 5466] close(12) = -1 EBADF (Bad file descriptor) [pid 5466] close(13) = -1 EBADF (Bad file descriptor) [pid 5466] close(14) = -1 EBADF (Bad file descriptor) [pid 5466] close(15) = -1 EBADF (Bad file descriptor) [pid 5466] close(16) = -1 EBADF (Bad file descriptor) [pid 5466] close(17) = -1 EBADF (Bad file descriptor) [pid 5466] close(18) = -1 EBADF (Bad file descriptor) [pid 5466] close(19) = -1 EBADF (Bad file descriptor) [pid 5466] close(20) = -1 EBADF (Bad file descriptor) [pid 5466] close(21) = -1 EBADF (Bad file descriptor) [pid 5466] close(22) = -1 EBADF (Bad file descriptor) [pid 5466] close(23) = -1 EBADF (Bad file descriptor) [pid 5466] close(24) = -1 EBADF (Bad file descriptor) [pid 5466] close(25) = -1 EBADF (Bad file descriptor) [pid 5466] close(26) = -1 EBADF (Bad file descriptor) [pid 5466] close(27) = -1 EBADF (Bad file descriptor) [pid 5466] close(28) = -1 EBADF (Bad file descriptor) [pid 5466] close(29) = -1 EBADF (Bad file descriptor) [pid 5466] exit_group(0 [pid 5468] <... clone resumed>) = ? [pid 5467] <... futex resumed>) = ? [pid 5466] <... exit_group resumed>) = ? [pid 5468] +++ exited with 0 +++ [pid 5467] +++ exited with 0 +++ [pid 5466] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=450, si_uid=0, si_status=0, si_utime=14 /* 0.14 s */, si_stime=79 /* 0.79 s */} --- [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 454 ./strace-static-x86_64: Process 5470 attached [pid 5470] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5470] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5470] setpgid(0, 0) = 0 [pid 5470] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5470] write(3, "1000", 4) = 4 [pid 5470] close(3) = 0 [pid 5470] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5470] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5470] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5470] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[455], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 455 [pid 5470] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5470] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5471 attached [pid 5471] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5471] memfd_create("syzkaller", 0) = 3 [pid 5471] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5469] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=453, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=39 /* 0.39 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5471] 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"..., 67108864) = 67108864 [pid 5471] munmap(0x7f0f30428000, 67108864) = 0 [pid 5471] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5471] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5471] ioctl(4, LOOP_CLR_FD) = 0 [pid 5471] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5471] close(4) = 0 [pid 5471] close(3) = 0 [pid 5471] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5470] <... futex resumed>) = 0 [pid 5470] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5470] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5471] <... futex resumed>) = 1 [pid 5471] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5470] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5470] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5470] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f34407000 [pid 5470] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5470] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[456], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 456 [pid 5470] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5470] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5471] <... mmap resumed>) = 0x20000000 [pid 5471] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5471] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5472 attached [pid 5472] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5472] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5473 attached [pid 5473] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5470] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5470] close(3) = -1 EBADF (Bad file descriptor) [pid 5470] close(4) = -1 EBADF (Bad file descriptor) [pid 5470] close(5) = -1 EBADF (Bad file descriptor) [pid 5470] close(6) = -1 EBADF (Bad file descriptor) [pid 5470] close(7) = -1 EBADF (Bad file descriptor) [pid 5470] close(8) = -1 EBADF (Bad file descriptor) [pid 5470] close(9) = -1 EBADF (Bad file descriptor) [pid 5470] close(10) = -1 EBADF (Bad file descriptor) [pid 5470] close(11) = -1 EBADF (Bad file descriptor) [pid 5470] close(12) = -1 EBADF (Bad file descriptor) [pid 5470] close(13) = -1 EBADF (Bad file descriptor) [pid 5470] close(14) = -1 EBADF (Bad file descriptor) [pid 5470] close(15) = -1 EBADF (Bad file descriptor) [pid 5470] close(16) = -1 EBADF (Bad file descriptor) [pid 5470] close(17) = -1 EBADF (Bad file descriptor) [pid 5470] close(18) = -1 EBADF (Bad file descriptor) [pid 5470] close(19) = -1 EBADF (Bad file descriptor) [pid 5470] close(20) = -1 EBADF (Bad file descriptor) [pid 5470] close(21) = -1 EBADF (Bad file descriptor) [pid 5470] close(22) = -1 EBADF (Bad file descriptor) [pid 5470] close(23) = -1 EBADF (Bad file descriptor) [pid 5470] close(24) = -1 EBADF (Bad file descriptor) [pid 5470] close(25) = -1 EBADF (Bad file descriptor) [pid 5470] close(26) = -1 EBADF (Bad file descriptor) [pid 5470] close(27) = -1 EBADF (Bad file descriptor) [pid 5470] close(28) = -1 EBADF (Bad file descriptor) [pid 5470] close(29) = -1 EBADF (Bad file descriptor) [pid 5470] exit_group(0 [pid 5472] <... clone resumed>) = ? [pid 5471] <... futex resumed>) = ? [pid 5470] <... exit_group resumed>) = ? [pid 5472] +++ exited with 0 +++ [pid 5471] +++ exited with 0 +++ [pid 5470] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=454, si_uid=0, si_status=0, si_utime=14 /* 0.14 s */, si_stime=81 /* 0.81 s */} --- [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5474 attached , child_tidptr=0x5555558d65d0) = 458 [pid 5474] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5474] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5474] setpgid(0, 0) = 0 [pid 5474] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5474] write(3, "1000", 4) = 4 [pid 5474] close(3) = 0 [pid 5474] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5474] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5474] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5474] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[459], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 459 [pid 5474] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5474] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5475 attached [pid 5475] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5475] memfd_create("syzkaller", 0) = 3 [pid 5475] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5473] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=457, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=36 /* 0.36 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5475] 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"..., 67108864) = 67108864 [pid 5475] munmap(0x7f0f30428000, 67108864) = 0 [pid 5475] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5475] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5475] ioctl(4, LOOP_CLR_FD) = 0 [pid 5475] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5475] close(4) = 0 [pid 5475] close(3) = 0 [pid 5475] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5474] <... futex resumed>) = 0 [pid 5474] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5474] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5475] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5474] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5474] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5474] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5474] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5475] <... mmap resumed>) = 0x20000000 [pid 5474] <... mmap resumed>) = 0x7f0f34407000 [pid 5475] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5474] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE [pid 5475] <... futex resumed>) = 0 [pid 5474] <... mprotect resumed>) = 0 [pid 5474] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5475] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5474] <... clone resumed>, parent_tid=[460], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 460 [pid 5474] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5474] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5476 attached [pid 5476] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5476] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5477 attached [pid 5477] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5474] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5474] close(3) = -1 EBADF (Bad file descriptor) [pid 5474] close(4) = -1 EBADF (Bad file descriptor) [pid 5474] close(5) = -1 EBADF (Bad file descriptor) [pid 5474] close(6) = -1 EBADF (Bad file descriptor) [pid 5474] close(7) = -1 EBADF (Bad file descriptor) [pid 5474] close(8) = -1 EBADF (Bad file descriptor) [pid 5474] close(9) = -1 EBADF (Bad file descriptor) [pid 5474] close(10) = -1 EBADF (Bad file descriptor) [pid 5474] close(11) = -1 EBADF (Bad file descriptor) [pid 5474] close(12) = -1 EBADF (Bad file descriptor) [pid 5474] close(13) = -1 EBADF (Bad file descriptor) [pid 5474] close(14) = -1 EBADF (Bad file descriptor) [pid 5474] close(15) = -1 EBADF (Bad file descriptor) [pid 5474] close(16) = -1 EBADF (Bad file descriptor) [pid 5474] close(17) = -1 EBADF (Bad file descriptor) [pid 5474] close(18) = -1 EBADF (Bad file descriptor) [pid 5474] close(19) = -1 EBADF (Bad file descriptor) [pid 5474] close(20) = -1 EBADF (Bad file descriptor) [pid 5474] close(21) = -1 EBADF (Bad file descriptor) [pid 5474] close(22) = -1 EBADF (Bad file descriptor) [pid 5474] close(23) = -1 EBADF (Bad file descriptor) [pid 5474] close(24) = -1 EBADF (Bad file descriptor) [pid 5474] close(25) = -1 EBADF (Bad file descriptor) [pid 5474] close(26) = -1 EBADF (Bad file descriptor) [pid 5474] close(27) = -1 EBADF (Bad file descriptor) [pid 5474] close(28) = -1 EBADF (Bad file descriptor) [pid 5474] close(29) = -1 EBADF (Bad file descriptor) [pid 5474] exit_group(0 [pid 5476] <... clone resumed>) = ? [pid 5475] <... futex resumed>) = ? [pid 5474] <... exit_group resumed>) = ? [pid 5476] +++ exited with 0 +++ [pid 5475] +++ exited with 0 +++ [pid 5474] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=458, si_uid=0, si_status=0, si_utime=21 /* 0.21 s */, si_stime=71 /* 0.71 s */} --- [pid 5000] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 462 ./strace-static-x86_64: Process 5478 attached [pid 5478] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5478] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5478] setpgid(0, 0) = 0 [pid 5478] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5478] write(3, "1000", 4) = 4 [pid 5478] close(3) = 0 [pid 5478] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5478] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5478] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5478] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[463], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 463 [pid 5478] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5478] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5479 attached [pid 5479] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5479] memfd_create("syzkaller", 0) = 3 [pid 5479] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5477] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=461, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=37 /* 0.37 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5479] 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"..., 67108864) = 67108864 [pid 5479] munmap(0x7f0f30428000, 67108864) = 0 [pid 5479] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5479] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5479] ioctl(4, LOOP_CLR_FD) = 0 [pid 5479] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5479] close(4) = 0 [pid 5479] close(3) = 0 [pid 5479] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5478] <... futex resumed>) = 0 [pid 5478] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5478] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5479] <... futex resumed>) = 1 [pid 5479] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5478] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5478] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5478] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5478] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f34407000 [pid 5478] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5478] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[464], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 464 [pid 5478] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5478] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5479] <... mmap resumed>) = 0x20000000 [pid 5479] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5479] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5480 attached [pid 5480] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5480] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5481 attached [pid 5481] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5478] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5478] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5478] close(3) = -1 EBADF (Bad file descriptor) [pid 5478] close(4) = -1 EBADF (Bad file descriptor) [pid 5478] close(5) = -1 EBADF (Bad file descriptor) [pid 5478] close(6) = -1 EBADF (Bad file descriptor) [pid 5478] close(7) = -1 EBADF (Bad file descriptor) [pid 5478] close(8) = -1 EBADF (Bad file descriptor) [pid 5478] close(9) = -1 EBADF (Bad file descriptor) [pid 5478] close(10) = -1 EBADF (Bad file descriptor) [pid 5478] close(11) = -1 EBADF (Bad file descriptor) [pid 5478] close(12) = -1 EBADF (Bad file descriptor) [pid 5478] close(13) = -1 EBADF (Bad file descriptor) [pid 5478] close(14) = -1 EBADF (Bad file descriptor) [pid 5478] close(15) = -1 EBADF (Bad file descriptor) [pid 5478] close(16) = -1 EBADF (Bad file descriptor) [pid 5478] close(17) = -1 EBADF (Bad file descriptor) [pid 5478] close(18) = -1 EBADF (Bad file descriptor) [pid 5478] close(19) = -1 EBADF (Bad file descriptor) [pid 5478] close(20) = -1 EBADF (Bad file descriptor) [pid 5478] close(21) = -1 EBADF (Bad file descriptor) [pid 5478] close(22) = -1 EBADF (Bad file descriptor) [pid 5478] close(23) = -1 EBADF (Bad file descriptor) [pid 5478] close(24) = -1 EBADF (Bad file descriptor) [pid 5478] close(25) = -1 EBADF (Bad file descriptor) [pid 5478] close(26) = -1 EBADF (Bad file descriptor) [pid 5478] close(27) = -1 EBADF (Bad file descriptor) [pid 5478] close(28) = -1 EBADF (Bad file descriptor) [pid 5478] close(29) = -1 EBADF (Bad file descriptor) [pid 5478] exit_group(0 [pid 5480] <... clone resumed>) = ? [pid 5479] <... futex resumed>) = ? [pid 5478] <... exit_group resumed>) = ? [pid 5480] +++ exited with 0 +++ [pid 5479] +++ exited with 0 +++ [pid 5478] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=462, si_uid=0, si_status=0, si_utime=10 /* 0.10 s */, si_stime=83 /* 0.83 s */} --- [pid 5000] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 466 ./strace-static-x86_64: Process 5482 attached [pid 5482] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5482] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5482] setpgid(0, 0) = 0 [pid 5482] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5482] write(3, "1000", 4) = 4 [pid 5482] close(3) = 0 [pid 5482] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5482] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5482] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5482] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[467], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 467 [pid 5482] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5482] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5483 attached [pid 5483] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5483] memfd_create("syzkaller", 0) = 3 [pid 5483] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5481] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=465, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=37 /* 0.37 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5483] 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"..., 67108864) = 67108864 [pid 5483] munmap(0x7f0f30428000, 67108864) = 0 [pid 5483] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5483] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5483] ioctl(4, LOOP_CLR_FD) = 0 [pid 5483] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5483] close(4) = 0 [pid 5483] close(3) = 0 [pid 5483] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5482] <... futex resumed>) = 0 [pid 5482] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5482] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5483] <... futex resumed>) = 1 [pid 5483] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5482] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5482] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5482] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f34407000 [pid 5482] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5482] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[468], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 468 [pid 5482] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5482] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5483] <... mmap resumed>) = 0x20000000 [pid 5483] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5483] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5484 attached [pid 5484] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5484] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5485 attached [pid 5485] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5482] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5482] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5482] close(3) = -1 EBADF (Bad file descriptor) [pid 5482] close(4) = -1 EBADF (Bad file descriptor) [pid 5482] close(5) = -1 EBADF (Bad file descriptor) [pid 5482] close(6) = -1 EBADF (Bad file descriptor) [pid 5482] close(7) = -1 EBADF (Bad file descriptor) [pid 5482] close(8) = -1 EBADF (Bad file descriptor) [pid 5482] close(9) = -1 EBADF (Bad file descriptor) [pid 5482] close(10) = -1 EBADF (Bad file descriptor) [pid 5482] close(11) = -1 EBADF (Bad file descriptor) [pid 5482] close(12) = -1 EBADF (Bad file descriptor) [pid 5482] close(13) = -1 EBADF (Bad file descriptor) [pid 5482] close(14) = -1 EBADF (Bad file descriptor) [pid 5482] close(15) = -1 EBADF (Bad file descriptor) [pid 5482] close(16) = -1 EBADF (Bad file descriptor) [pid 5482] close(17) = -1 EBADF (Bad file descriptor) [pid 5482] close(18) = -1 EBADF (Bad file descriptor) [pid 5482] close(19) = -1 EBADF (Bad file descriptor) [pid 5482] close(20) = -1 EBADF (Bad file descriptor) [pid 5482] close(21) = -1 EBADF (Bad file descriptor) [pid 5482] close(22) = -1 EBADF (Bad file descriptor) [pid 5482] close(23) = -1 EBADF (Bad file descriptor) [pid 5482] close(24) = -1 EBADF (Bad file descriptor) [pid 5482] close(25) = -1 EBADF (Bad file descriptor) [pid 5482] close(26) = -1 EBADF (Bad file descriptor) [pid 5482] close(27) = -1 EBADF (Bad file descriptor) [pid 5482] close(28) = -1 EBADF (Bad file descriptor) [pid 5482] close(29) = -1 EBADF (Bad file descriptor) [pid 5482] exit_group(0 [pid 5484] <... clone resumed>) = ? [pid 5483] <... futex resumed>) = ? [pid 5482] <... exit_group resumed>) = ? [pid 5484] +++ exited with 0 +++ [pid 5483] +++ exited with 0 +++ [pid 5482] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=466, si_uid=0, si_status=0, si_utime=12 /* 0.12 s */, si_stime=85 /* 0.85 s */} --- [pid 5000] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 470 ./strace-static-x86_64: Process 5486 attached [pid 5486] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5486] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5486] setpgid(0, 0) = 0 [pid 5486] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5486] write(3, "1000", 4) = 4 [pid 5486] close(3) = 0 [pid 5486] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5486] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5486] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5486] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[471], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 471 [pid 5486] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5486] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5487 attached [pid 5487] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5487] memfd_create("syzkaller", 0) = 3 [pid 5487] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5485] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=469, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=41 /* 0.41 s */} --- [pid 5487] 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"..., 67108864) = 67108864 [pid 5487] munmap(0x7f0f30428000, 67108864) = 0 [pid 5487] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5487] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5487] ioctl(4, LOOP_CLR_FD) = 0 [pid 5487] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5487] close(4) = 0 [pid 5487] close(3) = 0 [pid 5487] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5486] <... futex resumed>) = 0 [pid 5486] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5486] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5487] <... futex resumed>) = 1 [pid 5487] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5486] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5486] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5486] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f34407000 [pid 5486] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5486] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[472], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 472 [pid 5486] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5486] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5487] <... mmap resumed>) = 0x20000000 [pid 5487] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5487] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5488 attached [pid 5488] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5488] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5489 attached [pid 5489] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5486] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5486] close(3) = -1 EBADF (Bad file descriptor) [pid 5486] close(4) = -1 EBADF (Bad file descriptor) [pid 5486] close(5) = -1 EBADF (Bad file descriptor) [pid 5486] close(6) = -1 EBADF (Bad file descriptor) [pid 5486] close(7) = -1 EBADF (Bad file descriptor) [pid 5486] close(8) = -1 EBADF (Bad file descriptor) [pid 5486] close(9) = -1 EBADF (Bad file descriptor) [pid 5486] close(10) = -1 EBADF (Bad file descriptor) [pid 5486] close(11) = -1 EBADF (Bad file descriptor) [pid 5486] close(12) = -1 EBADF (Bad file descriptor) [pid 5486] close(13) = -1 EBADF (Bad file descriptor) [pid 5486] close(14) = -1 EBADF (Bad file descriptor) [pid 5486] close(15) = -1 EBADF (Bad file descriptor) [pid 5486] close(16) = -1 EBADF (Bad file descriptor) [pid 5486] close(17) = -1 EBADF (Bad file descriptor) [pid 5486] close(18) = -1 EBADF (Bad file descriptor) [pid 5486] close(19) = -1 EBADF (Bad file descriptor) [pid 5486] close(20) = -1 EBADF (Bad file descriptor) [pid 5486] close(21) = -1 EBADF (Bad file descriptor) [pid 5486] close(22) = -1 EBADF (Bad file descriptor) [pid 5486] close(23) = -1 EBADF (Bad file descriptor) [pid 5486] close(24) = -1 EBADF (Bad file descriptor) [pid 5486] close(25) = -1 EBADF (Bad file descriptor) [pid 5486] close(26) = -1 EBADF (Bad file descriptor) [pid 5486] close(27) = -1 EBADF (Bad file descriptor) [pid 5486] close(28) = -1 EBADF (Bad file descriptor) [pid 5486] close(29) = -1 EBADF (Bad file descriptor) [pid 5486] exit_group(0 [pid 5488] <... clone resumed>) = ? [pid 5487] <... futex resumed>) = ? [pid 5486] <... exit_group resumed>) = ? [pid 5488] +++ exited with 0 +++ [pid 5487] +++ exited with 0 +++ [pid 5486] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=470, si_uid=0, si_status=0, si_utime=16 /* 0.16 s */, si_stime=71 /* 0.71 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 474 ./strace-static-x86_64: Process 5490 attached [pid 5490] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5490] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5490] setpgid(0, 0) = 0 [pid 5490] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5490] write(3, "1000", 4) = 4 [pid 5490] close(3) = 0 [pid 5490] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5490] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5490] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5490] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[475], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 475 [pid 5490] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5490] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5491 attached [pid 5491] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5491] memfd_create("syzkaller", 0) = 3 [pid 5491] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5489] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=473, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=38 /* 0.38 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5491] 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"..., 67108864) = 67108864 [pid 5491] munmap(0x7f0f30428000, 67108864) = 0 [pid 5491] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5491] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5491] ioctl(4, LOOP_CLR_FD) = 0 [pid 5491] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5491] close(4) = 0 [pid 5491] close(3) = 0 [pid 5491] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5490] <... futex resumed>) = 0 [pid 5490] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5490] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5491] <... futex resumed>) = 1 [pid 5491] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5490] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5490] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5490] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f34407000 [pid 5490] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5490] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[476], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 476 [pid 5490] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5490] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5491] <... mmap resumed>) = 0x20000000 [pid 5491] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5491] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5492 attached [pid 5492] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5492] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5493 attached [pid 5493] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5490] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5490] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5490] close(3) = -1 EBADF (Bad file descriptor) [pid 5490] close(4) = -1 EBADF (Bad file descriptor) [pid 5490] close(5) = -1 EBADF (Bad file descriptor) [pid 5490] close(6) = -1 EBADF (Bad file descriptor) [pid 5490] close(7) = -1 EBADF (Bad file descriptor) [pid 5490] close(8) = -1 EBADF (Bad file descriptor) [pid 5490] close(9) = -1 EBADF (Bad file descriptor) [pid 5490] close(10) = -1 EBADF (Bad file descriptor) [pid 5490] close(11) = -1 EBADF (Bad file descriptor) [pid 5490] close(12) = -1 EBADF (Bad file descriptor) [pid 5490] close(13) = -1 EBADF (Bad file descriptor) [pid 5490] close(14) = -1 EBADF (Bad file descriptor) [pid 5490] close(15) = -1 EBADF (Bad file descriptor) [pid 5490] close(16) = -1 EBADF (Bad file descriptor) [pid 5490] close(17) = -1 EBADF (Bad file descriptor) [pid 5490] close(18) = -1 EBADF (Bad file descriptor) [pid 5490] close(19) = -1 EBADF (Bad file descriptor) [pid 5490] close(20) = -1 EBADF (Bad file descriptor) [pid 5490] close(21) = -1 EBADF (Bad file descriptor) [pid 5490] close(22) = -1 EBADF (Bad file descriptor) [pid 5490] close(23) = -1 EBADF (Bad file descriptor) [pid 5490] close(24) = -1 EBADF (Bad file descriptor) [pid 5490] close(25) = -1 EBADF (Bad file descriptor) [pid 5490] close(26) = -1 EBADF (Bad file descriptor) [pid 5490] close(27) = -1 EBADF (Bad file descriptor) [pid 5490] close(28) = -1 EBADF (Bad file descriptor) [pid 5490] close(29) = -1 EBADF (Bad file descriptor) [pid 5490] exit_group(0 [pid 5492] <... clone resumed>) = ? [pid 5491] <... futex resumed>) = ? [pid 5490] <... exit_group resumed>) = ? [pid 5492] +++ exited with 0 +++ [pid 5491] +++ exited with 0 +++ [pid 5490] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=474, si_uid=0, si_status=0, si_utime=18 /* 0.18 s */, si_stime=74 /* 0.74 s */} --- [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 478 ./strace-static-x86_64: Process 5494 attached [pid 5494] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5494] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5494] setpgid(0, 0) = 0 [pid 5494] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5494] write(3, "1000", 4) = 4 [pid 5494] close(3) = 0 [pid 5494] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5494] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5494] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5494] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[479], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 479 [pid 5494] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5494] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5495 attached [pid 5495] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5495] memfd_create("syzkaller", 0) = 3 [pid 5495] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5495] 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"..., 67108864 [pid 5493] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=477, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=41 /* 0.41 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5495] <... write resumed>) = 67108864 [pid 5495] munmap(0x7f0f30428000, 67108864) = 0 [pid 5495] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5495] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5495] ioctl(4, LOOP_CLR_FD) = 0 [pid 5495] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5495] close(4) = 0 [pid 5495] close(3) = 0 [pid 5495] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5494] <... futex resumed>) = 0 [pid 5494] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5494] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5495] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5494] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5494] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5494] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5495] <... mmap resumed>) = 0x20000000 [pid 5494] <... mmap resumed>) = 0x7f0f34407000 [pid 5494] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE [pid 5495] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5494] <... mprotect resumed>) = 0 [pid 5494] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5495] <... futex resumed>) = 0 [pid 5494] <... clone resumed>, parent_tid=[480], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 480 [pid 5494] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5494] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5495] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5496 attached [pid 5496] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5496] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5497 attached [pid 5497] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5494] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5494] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5494] close(3) = -1 EBADF (Bad file descriptor) [pid 5494] close(4) = -1 EBADF (Bad file descriptor) [pid 5494] close(5) = -1 EBADF (Bad file descriptor) [pid 5494] close(6) = -1 EBADF (Bad file descriptor) [pid 5494] close(7) = -1 EBADF (Bad file descriptor) [pid 5494] close(8) = -1 EBADF (Bad file descriptor) [pid 5494] close(9) = -1 EBADF (Bad file descriptor) [pid 5494] close(10) = -1 EBADF (Bad file descriptor) [pid 5494] close(11) = -1 EBADF (Bad file descriptor) [pid 5494] close(12) = -1 EBADF (Bad file descriptor) [pid 5494] close(13) = -1 EBADF (Bad file descriptor) [pid 5494] close(14) = -1 EBADF (Bad file descriptor) [pid 5494] close(15) = -1 EBADF (Bad file descriptor) [pid 5494] close(16) = -1 EBADF (Bad file descriptor) [pid 5494] close(17) = -1 EBADF (Bad file descriptor) [pid 5494] close(18) = -1 EBADF (Bad file descriptor) [pid 5494] close(19) = -1 EBADF (Bad file descriptor) [pid 5494] close(20) = -1 EBADF (Bad file descriptor) [pid 5494] close(21) = -1 EBADF (Bad file descriptor) [pid 5494] close(22) = -1 EBADF (Bad file descriptor) [pid 5494] close(23) = -1 EBADF (Bad file descriptor) [pid 5494] close(24) = -1 EBADF (Bad file descriptor) [pid 5494] close(25) = -1 EBADF (Bad file descriptor) [pid 5494] close(26) = -1 EBADF (Bad file descriptor) [pid 5494] close(27) = -1 EBADF (Bad file descriptor) [pid 5494] close(28) = -1 EBADF (Bad file descriptor) [pid 5494] close(29) = -1 EBADF (Bad file descriptor) [pid 5494] exit_group(0 [pid 5496] <... clone resumed>) = ? [pid 5495] <... futex resumed>) = ? [pid 5494] <... exit_group resumed>) = ? [pid 5496] +++ exited with 0 +++ [pid 5495] +++ exited with 0 +++ [pid 5494] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=478, si_uid=0, si_status=0, si_utime=11 /* 0.11 s */, si_stime=88 /* 0.88 s */} --- [pid 5000] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 482 ./strace-static-x86_64: Process 5498 attached [pid 5498] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5498] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5498] setpgid(0, 0) = 0 [pid 5498] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5498] write(3, "1000", 4) = 4 [pid 5498] close(3) = 0 [pid 5498] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5498] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5498] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5498] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[483], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 483 [pid 5498] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5498] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5499 attached [pid 5499] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5499] memfd_create("syzkaller", 0) = 3 [pid 5499] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5499] 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"..., 67108864 [pid 5497] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=481, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=36 /* 0.36 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5499] <... write resumed>) = 67108864 [pid 5499] munmap(0x7f0f30428000, 67108864) = 0 [pid 5499] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5499] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5499] ioctl(4, LOOP_CLR_FD) = 0 [pid 5499] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5499] close(4) = 0 [pid 5499] close(3) = 0 [pid 5499] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5498] <... futex resumed>) = 0 [pid 5498] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5498] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5499] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5498] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5498] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5498] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5498] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5499] <... mmap resumed>) = 0x20000000 [pid 5498] <... mmap resumed>) = 0x7f0f34407000 [pid 5498] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5498] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5499] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5498] <... clone resumed>, parent_tid=[484], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 484 [pid 5498] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5498] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5499] <... futex resumed>) = 0 [pid 5499] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5500 attached [pid 5500] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5500] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5501 attached [pid 5501] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5498] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5498] close(3) = -1 EBADF (Bad file descriptor) [pid 5498] close(4) = -1 EBADF (Bad file descriptor) [pid 5498] close(5) = -1 EBADF (Bad file descriptor) [pid 5498] close(6) = -1 EBADF (Bad file descriptor) [pid 5498] close(7) = -1 EBADF (Bad file descriptor) [pid 5498] close(8) = -1 EBADF (Bad file descriptor) [pid 5498] close(9) = -1 EBADF (Bad file descriptor) [pid 5498] close(10) = -1 EBADF (Bad file descriptor) [pid 5498] close(11) = -1 EBADF (Bad file descriptor) [pid 5498] close(12) = -1 EBADF (Bad file descriptor) [pid 5498] close(13) = -1 EBADF (Bad file descriptor) [pid 5498] close(14) = -1 EBADF (Bad file descriptor) [pid 5498] close(15) = -1 EBADF (Bad file descriptor) [pid 5498] close(16) = -1 EBADF (Bad file descriptor) [pid 5498] close(17) = -1 EBADF (Bad file descriptor) [pid 5498] close(18) = -1 EBADF (Bad file descriptor) [pid 5498] close(19) = -1 EBADF (Bad file descriptor) [pid 5498] close(20) = -1 EBADF (Bad file descriptor) [pid 5498] close(21) = -1 EBADF (Bad file descriptor) [pid 5498] close(22) = -1 EBADF (Bad file descriptor) [pid 5498] close(23) = -1 EBADF (Bad file descriptor) [pid 5498] close(24) = -1 EBADF (Bad file descriptor) [pid 5498] close(25) = -1 EBADF (Bad file descriptor) [pid 5498] close(26) = -1 EBADF (Bad file descriptor) [pid 5498] close(27) = -1 EBADF (Bad file descriptor) [pid 5498] close(28) = -1 EBADF (Bad file descriptor) [pid 5498] close(29) = -1 EBADF (Bad file descriptor) [pid 5498] exit_group(0 [pid 5500] <... clone resumed>) = ? [pid 5499] <... futex resumed>) = ? [pid 5498] <... exit_group resumed>) = ? [pid 5500] +++ exited with 0 +++ [pid 5499] +++ exited with 0 +++ [pid 5498] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=482, si_uid=0, si_status=0, si_utime=18 /* 0.18 s */, si_stime=75 /* 0.75 s */} --- [pid 5000] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 486 ./strace-static-x86_64: Process 5502 attached [pid 5502] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5502] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5502] setpgid(0, 0) = 0 [pid 5502] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5502] write(3, "1000", 4) = 4 [pid 5502] close(3) = 0 [pid 5502] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5502] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5502] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5502] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[487], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 487 [pid 5502] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5502] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5503 attached [pid 5503] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5503] memfd_create("syzkaller", 0) = 3 [pid 5503] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5503] 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"..., 67108864 [pid 5501] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=485, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=39 /* 0.39 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5503] <... write resumed>) = 67108864 [pid 5503] munmap(0x7f0f30428000, 67108864) = 0 [pid 5503] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5503] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5503] ioctl(4, LOOP_CLR_FD) = 0 [pid 5503] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5503] close(4) = 0 [pid 5503] close(3) = 0 [pid 5503] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5502] <... futex resumed>) = 0 [pid 5502] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5502] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5503] <... futex resumed>) = 1 [pid 5503] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5502] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5502] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5502] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f34407000 [pid 5502] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5502] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[488], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 488 [pid 5502] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5502] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5503] <... mmap resumed>) = 0x20000000 [pid 5503] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5503] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5504 attached [pid 5504] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5504] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5505 attached [pid 5505] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5502] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5502] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5502] close(3) = -1 EBADF (Bad file descriptor) [pid 5502] close(4) = -1 EBADF (Bad file descriptor) [pid 5502] close(5) = -1 EBADF (Bad file descriptor) [pid 5502] close(6) = -1 EBADF (Bad file descriptor) [pid 5502] close(7) = -1 EBADF (Bad file descriptor) [pid 5502] close(8) = -1 EBADF (Bad file descriptor) [pid 5502] close(9) = -1 EBADF (Bad file descriptor) [pid 5502] close(10) = -1 EBADF (Bad file descriptor) [pid 5502] close(11) = -1 EBADF (Bad file descriptor) [pid 5502] close(12) = -1 EBADF (Bad file descriptor) [pid 5502] close(13) = -1 EBADF (Bad file descriptor) [pid 5502] close(14) = -1 EBADF (Bad file descriptor) [pid 5502] close(15) = -1 EBADF (Bad file descriptor) [pid 5502] close(16) = -1 EBADF (Bad file descriptor) [pid 5502] close(17) = -1 EBADF (Bad file descriptor) [pid 5502] close(18) = -1 EBADF (Bad file descriptor) [pid 5502] close(19) = -1 EBADF (Bad file descriptor) [pid 5502] close(20) = -1 EBADF (Bad file descriptor) [pid 5502] close(21) = -1 EBADF (Bad file descriptor) [pid 5502] close(22) = -1 EBADF (Bad file descriptor) [pid 5502] close(23) = -1 EBADF (Bad file descriptor) [pid 5502] close(24) = -1 EBADF (Bad file descriptor) [pid 5502] close(25) = -1 EBADF (Bad file descriptor) [pid 5502] close(26) = -1 EBADF (Bad file descriptor) [pid 5502] close(27) = -1 EBADF (Bad file descriptor) [pid 5502] close(28) = -1 EBADF (Bad file descriptor) [pid 5502] close(29) = -1 EBADF (Bad file descriptor) [pid 5502] exit_group(0 [pid 5504] <... clone resumed>) = ? [pid 5503] <... futex resumed>) = ? [pid 5502] <... exit_group resumed>) = ? [pid 5504] +++ exited with 0 +++ [pid 5503] +++ exited with 0 +++ [pid 5502] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=486, si_uid=0, si_status=0, si_utime=16 /* 0.16 s */, si_stime=74 /* 0.74 s */} --- [pid 5000] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 490 ./strace-static-x86_64: Process 5506 attached [pid 5506] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5506] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5506] setpgid(0, 0) = 0 [pid 5506] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5506] write(3, "1000", 4) = 4 [pid 5506] close(3) = 0 [pid 5506] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5506] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5506] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5506] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[491], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 491 [pid 5506] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5506] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5507 attached [pid 5507] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5507] memfd_create("syzkaller", 0) = 3 [pid 5507] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5505] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=489, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=39 /* 0.39 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5507] 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"..., 67108864) = 67108864 [pid 5507] munmap(0x7f0f30428000, 67108864) = 0 [pid 5507] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5507] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5507] ioctl(4, LOOP_CLR_FD) = 0 [pid 5507] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5507] close(4) = 0 [pid 5507] close(3) = 0 [pid 5507] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5506] <... futex resumed>) = 0 [pid 5506] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5506] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5507] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5506] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5506] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5506] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5507] <... mmap resumed>) = 0x20000000 [pid 5506] <... mmap resumed>) = 0x7f0f34407000 [pid 5506] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE [pid 5507] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5506] <... mprotect resumed>) = 0 [pid 5506] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5507] <... futex resumed>) = 0 [pid 5506] <... clone resumed>, parent_tid=[492], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 492 [pid 5506] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5506] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5507] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5508 attached [pid 5508] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5508] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5509 attached [pid 5509] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5506] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5506] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5506] close(3) = -1 EBADF (Bad file descriptor) [pid 5506] close(4) = -1 EBADF (Bad file descriptor) [pid 5506] close(5) = -1 EBADF (Bad file descriptor) [pid 5506] close(6) = -1 EBADF (Bad file descriptor) [pid 5506] close(7) = -1 EBADF (Bad file descriptor) [pid 5506] close(8) = -1 EBADF (Bad file descriptor) [pid 5506] close(9) = -1 EBADF (Bad file descriptor) [pid 5506] close(10) = -1 EBADF (Bad file descriptor) [pid 5506] close(11) = -1 EBADF (Bad file descriptor) [pid 5506] close(12) = -1 EBADF (Bad file descriptor) [pid 5506] close(13) = -1 EBADF (Bad file descriptor) [pid 5506] close(14) = -1 EBADF (Bad file descriptor) [pid 5506] close(15) = -1 EBADF (Bad file descriptor) [pid 5506] close(16) = -1 EBADF (Bad file descriptor) [pid 5506] close(17) = -1 EBADF (Bad file descriptor) [pid 5506] close(18) = -1 EBADF (Bad file descriptor) [pid 5506] close(19) = -1 EBADF (Bad file descriptor) [pid 5506] close(20) = -1 EBADF (Bad file descriptor) [pid 5506] close(21) = -1 EBADF (Bad file descriptor) [pid 5506] close(22) = -1 EBADF (Bad file descriptor) [pid 5506] close(23) = -1 EBADF (Bad file descriptor) [pid 5506] close(24) = -1 EBADF (Bad file descriptor) [pid 5506] close(25) = -1 EBADF (Bad file descriptor) [pid 5506] close(26) = -1 EBADF (Bad file descriptor) [pid 5506] close(27) = -1 EBADF (Bad file descriptor) [pid 5506] close(28) = -1 EBADF (Bad file descriptor) [pid 5506] close(29) = -1 EBADF (Bad file descriptor) [pid 5506] exit_group(0 [pid 5508] <... clone resumed>) = ? [pid 5507] <... futex resumed>) = ? [pid 5506] <... exit_group resumed>) = ? [pid 5508] +++ exited with 0 +++ [pid 5507] +++ exited with 0 +++ [pid 5506] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=490, si_uid=0, si_status=0, si_utime=12 /* 0.12 s */, si_stime=76 /* 0.76 s */} --- [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 494 ./strace-static-x86_64: Process 5510 attached [pid 5510] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5510] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5510] setpgid(0, 0) = 0 [pid 5510] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5510] write(3, "1000", 4) = 4 [pid 5510] close(3) = 0 [pid 5510] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5510] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5510] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5510] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[495], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 495 [pid 5510] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5510] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5511 attached [pid 5511] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5511] memfd_create("syzkaller", 0) = 3 [pid 5511] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5509] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=493, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=40 /* 0.40 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5511] 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"..., 67108864) = 67108864 [pid 5511] munmap(0x7f0f30428000, 67108864) = 0 [pid 5511] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5511] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5511] ioctl(4, LOOP_CLR_FD) = 0 [pid 5511] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5511] close(4) = 0 [pid 5511] close(3) = 0 [pid 5511] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5510] <... futex resumed>) = 0 [pid 5510] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5510] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5511] <... futex resumed>) = 1 [pid 5511] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5510] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5510] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5510] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5510] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f34407000 [pid 5510] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5510] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[496], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 496 [pid 5510] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5510] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5511] <... mmap resumed>) = 0x20000000 [pid 5511] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5511] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5512 attached [pid 5512] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5512] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5513 attached [pid 5513] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5510] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5510] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5510] close(3) = -1 EBADF (Bad file descriptor) [pid 5510] close(4) = -1 EBADF (Bad file descriptor) [pid 5510] close(5) = -1 EBADF (Bad file descriptor) [pid 5510] close(6) = -1 EBADF (Bad file descriptor) [pid 5510] close(7) = -1 EBADF (Bad file descriptor) [pid 5510] close(8) = -1 EBADF (Bad file descriptor) [pid 5510] close(9) = -1 EBADF (Bad file descriptor) [pid 5510] close(10) = -1 EBADF (Bad file descriptor) [pid 5510] close(11) = -1 EBADF (Bad file descriptor) [pid 5510] close(12) = -1 EBADF (Bad file descriptor) [pid 5510] close(13) = -1 EBADF (Bad file descriptor) [pid 5510] close(14) = -1 EBADF (Bad file descriptor) [pid 5510] close(15) = -1 EBADF (Bad file descriptor) [pid 5510] close(16) = -1 EBADF (Bad file descriptor) [pid 5510] close(17) = -1 EBADF (Bad file descriptor) [pid 5510] close(18) = -1 EBADF (Bad file descriptor) [pid 5510] close(19) = -1 EBADF (Bad file descriptor) [pid 5510] close(20) = -1 EBADF (Bad file descriptor) [pid 5510] close(21) = -1 EBADF (Bad file descriptor) [pid 5510] close(22) = -1 EBADF (Bad file descriptor) [pid 5510] close(23) = -1 EBADF (Bad file descriptor) [pid 5510] close(24) = -1 EBADF (Bad file descriptor) [pid 5510] close(25) = -1 EBADF (Bad file descriptor) [pid 5510] close(26) = -1 EBADF (Bad file descriptor) [pid 5510] close(27) = -1 EBADF (Bad file descriptor) [pid 5510] close(28) = -1 EBADF (Bad file descriptor) [pid 5510] close(29) = -1 EBADF (Bad file descriptor) [pid 5510] exit_group(0) = ? [pid 5511] <... futex resumed>) = ? [pid 5512] <... clone resumed>) = ? [pid 5511] +++ exited with 0 +++ [pid 5512] +++ exited with 0 +++ [pid 5510] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=494, si_uid=0, si_status=0, si_utime=15 /* 0.15 s */, si_stime=79 /* 0.79 s */} --- [pid 5000] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 498 ./strace-static-x86_64: Process 5514 attached [pid 5514] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5514] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5514] setpgid(0, 0) = 0 [pid 5514] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5514] write(3, "1000", 4) = 4 [pid 5514] close(3) = 0 [pid 5514] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5514] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5514] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5514] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[499], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 499 [pid 5514] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5514] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5515 attached [pid 5515] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5515] memfd_create("syzkaller", 0) = 3 [pid 5515] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5513] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=497, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=39 /* 0.39 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5515] 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"..., 67108864) = 67108864 [pid 5515] munmap(0x7f0f30428000, 67108864) = 0 [pid 5515] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5515] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5515] ioctl(4, LOOP_CLR_FD) = 0 [pid 5515] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5515] close(4) = 0 [pid 5515] close(3) = 0 [pid 5515] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5514] <... futex resumed>) = 0 [pid 5514] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5514] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5515] <... futex resumed>) = 1 [pid 5515] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5514] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5514] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5514] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f34407000 [pid 5514] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5514] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[500], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 500 [pid 5514] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5514] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5515] <... mmap resumed>) = 0x20000000 [pid 5515] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5515] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5516 attached [pid 5516] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5516] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5517 attached [pid 5517] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5514] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5514] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5514] close(3) = -1 EBADF (Bad file descriptor) [pid 5514] close(4) = -1 EBADF (Bad file descriptor) [pid 5514] close(5) = -1 EBADF (Bad file descriptor) [pid 5514] close(6) = -1 EBADF (Bad file descriptor) [pid 5514] close(7) = -1 EBADF (Bad file descriptor) [pid 5514] close(8) = -1 EBADF (Bad file descriptor) [pid 5514] close(9) = -1 EBADF (Bad file descriptor) [pid 5514] close(10) = -1 EBADF (Bad file descriptor) [pid 5514] close(11) = -1 EBADF (Bad file descriptor) [pid 5514] close(12) = -1 EBADF (Bad file descriptor) [pid 5514] close(13) = -1 EBADF (Bad file descriptor) [pid 5514] close(14) = -1 EBADF (Bad file descriptor) [pid 5514] close(15) = -1 EBADF (Bad file descriptor) [pid 5514] close(16) = -1 EBADF (Bad file descriptor) [pid 5514] close(17) = -1 EBADF (Bad file descriptor) [pid 5514] close(18) = -1 EBADF (Bad file descriptor) [pid 5514] close(19) = -1 EBADF (Bad file descriptor) [pid 5514] close(20) = -1 EBADF (Bad file descriptor) [pid 5514] close(21) = -1 EBADF (Bad file descriptor) [pid 5514] close(22) = -1 EBADF (Bad file descriptor) [pid 5514] close(23) = -1 EBADF (Bad file descriptor) [pid 5514] close(24) = -1 EBADF (Bad file descriptor) [pid 5514] close(25) = -1 EBADF (Bad file descriptor) [pid 5514] close(26) = -1 EBADF (Bad file descriptor) [pid 5514] close(27) = -1 EBADF (Bad file descriptor) [pid 5514] close(28) = -1 EBADF (Bad file descriptor) [pid 5514] close(29) = -1 EBADF (Bad file descriptor) [pid 5514] exit_group(0 [pid 5516] <... clone resumed>) = ? [pid 5515] <... futex resumed>) = ? [pid 5514] <... exit_group resumed>) = ? [pid 5516] +++ exited with 0 +++ [pid 5515] +++ exited with 0 +++ [pid 5514] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=498, si_uid=0, si_status=0, si_utime=12 /* 0.12 s */, si_stime=72 /* 0.72 s */} --- [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 502 ./strace-static-x86_64: Process 5518 attached [pid 5518] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5518] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5518] setpgid(0, 0) = 0 [pid 5518] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5518] write(3, "1000", 4) = 4 [pid 5518] close(3) = 0 [pid 5518] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5518] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5518] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5518] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 5519 attached [pid 5519] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5519] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5518] <... clone resumed>, parent_tid=[503], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 503 [pid 5518] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5519] <... futex resumed>) = 0 [pid 5518] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5519] memfd_create("syzkaller", 0) = 3 [pid 5519] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5517] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=501, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=42 /* 0.42 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5519] 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"..., 67108864) = 67108864 [pid 5519] munmap(0x7f0f30428000, 67108864) = 0 [pid 5519] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5519] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5519] ioctl(4, LOOP_CLR_FD) = 0 [pid 5519] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5519] close(4) = 0 [pid 5519] close(3) = 0 [pid 5519] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5519] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5518] <... futex resumed>) = 0 [pid 5518] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5518] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5519] <... futex resumed>) = 0 [pid 5519] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5518] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5518] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5518] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5519] <... mmap resumed>) = 0x20000000 [pid 5518] <... mmap resumed>) = 0x7f0f34407000 [pid 5518] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE [pid 5519] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5518] <... mprotect resumed>) = 0 [pid 5518] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5519] <... futex resumed>) = 0 [pid 5518] <... clone resumed>, parent_tid=[504], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 504 [pid 5518] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5518] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5519] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5520 attached [pid 5520] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5520] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5521 attached [pid 5521] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5518] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5518] close(3) = -1 EBADF (Bad file descriptor) [pid 5518] close(4) = -1 EBADF (Bad file descriptor) [pid 5518] close(5) = -1 EBADF (Bad file descriptor) [pid 5518] close(6) = -1 EBADF (Bad file descriptor) [pid 5518] close(7) = -1 EBADF (Bad file descriptor) [pid 5518] close(8) = -1 EBADF (Bad file descriptor) [pid 5518] close(9) = -1 EBADF (Bad file descriptor) [pid 5518] close(10) = -1 EBADF (Bad file descriptor) [pid 5518] close(11) = -1 EBADF (Bad file descriptor) [pid 5518] close(12) = -1 EBADF (Bad file descriptor) [pid 5518] close(13) = -1 EBADF (Bad file descriptor) [pid 5518] close(14) = -1 EBADF (Bad file descriptor) [pid 5518] close(15) = -1 EBADF (Bad file descriptor) [pid 5518] close(16) = -1 EBADF (Bad file descriptor) [pid 5518] close(17) = -1 EBADF (Bad file descriptor) [pid 5518] close(18) = -1 EBADF (Bad file descriptor) [pid 5518] close(19) = -1 EBADF (Bad file descriptor) [pid 5518] close(20) = -1 EBADF (Bad file descriptor) [pid 5518] close(21) = -1 EBADF (Bad file descriptor) [pid 5518] close(22) = -1 EBADF (Bad file descriptor) [pid 5518] close(23) = -1 EBADF (Bad file descriptor) [pid 5518] close(24) = -1 EBADF (Bad file descriptor) [pid 5518] close(25) = -1 EBADF (Bad file descriptor) [pid 5518] close(26) = -1 EBADF (Bad file descriptor) [pid 5518] close(27) = -1 EBADF (Bad file descriptor) [pid 5518] close(28) = -1 EBADF (Bad file descriptor) [pid 5518] close(29) = -1 EBADF (Bad file descriptor) [pid 5518] exit_group(0 [pid 5520] <... clone resumed>) = ? [pid 5519] <... futex resumed>) = ? [pid 5518] <... exit_group resumed>) = ? [pid 5520] +++ exited with 0 +++ [pid 5519] +++ exited with 0 +++ [pid 5518] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=502, si_uid=0, si_status=0, si_utime=13 /* 0.13 s */, si_stime=80 /* 0.80 s */} --- [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 506 ./strace-static-x86_64: Process 5522 attached [pid 5522] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5522] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5522] setpgid(0, 0) = 0 [pid 5522] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5522] write(3, "1000", 4) = 4 [pid 5522] close(3) = 0 [pid 5522] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5522] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5522] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5522] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[507], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 507 [pid 5522] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5522] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5523 attached [pid 5523] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5523] memfd_create("syzkaller", 0) = 3 [pid 5523] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5521] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=505, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=40 /* 0.40 s */} --- [pid 5523] 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"..., 67108864) = 67108864 [pid 5523] munmap(0x7f0f30428000, 67108864) = 0 [pid 5523] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5523] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5523] ioctl(4, LOOP_CLR_FD) = 0 [pid 5523] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5523] close(4) = 0 [pid 5523] close(3) = 0 [pid 5523] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5522] <... futex resumed>) = 0 [pid 5522] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5522] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5523] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5522] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5522] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5522] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5523] <... mmap resumed>) = 0x20000000 [pid 5522] <... mmap resumed>) = 0x7f0f34407000 [pid 5522] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE [pid 5523] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5523] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5522] <... mprotect resumed>) = 0 [pid 5522] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 5524 attached , parent_tid=[508], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 508 [pid 5524] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5522] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5524] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO [pid 5522] <... futex resumed>) = 0 [pid 5522] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5525 attached [pid 5525] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5522] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5522] close(3) = -1 EBADF (Bad file descriptor) [pid 5522] close(4) = -1 EBADF (Bad file descriptor) [pid 5522] close(5) = -1 EBADF (Bad file descriptor) [pid 5522] close(6) = -1 EBADF (Bad file descriptor) [pid 5522] close(7) = -1 EBADF (Bad file descriptor) [pid 5522] close(8) = -1 EBADF (Bad file descriptor) [pid 5522] close(9) = -1 EBADF (Bad file descriptor) [pid 5522] close(10) = -1 EBADF (Bad file descriptor) [pid 5522] close(11) = -1 EBADF (Bad file descriptor) [pid 5522] close(12) = -1 EBADF (Bad file descriptor) [pid 5522] close(13) = -1 EBADF (Bad file descriptor) [pid 5522] close(14) = -1 EBADF (Bad file descriptor) [pid 5522] close(15) = -1 EBADF (Bad file descriptor) [pid 5522] close(16) = -1 EBADF (Bad file descriptor) [pid 5522] close(17) = -1 EBADF (Bad file descriptor) [pid 5522] close(18) = -1 EBADF (Bad file descriptor) [pid 5522] close(19) = -1 EBADF (Bad file descriptor) [pid 5522] close(20) = -1 EBADF (Bad file descriptor) [pid 5522] close(21) = -1 EBADF (Bad file descriptor) [pid 5522] close(22) = -1 EBADF (Bad file descriptor) [pid 5522] close(23) = -1 EBADF (Bad file descriptor) [pid 5522] close(24) = -1 EBADF (Bad file descriptor) [pid 5522] close(25) = -1 EBADF (Bad file descriptor) [pid 5522] close(26) = -1 EBADF (Bad file descriptor) [pid 5522] close(27) = -1 EBADF (Bad file descriptor) [pid 5522] close(28) = -1 EBADF (Bad file descriptor) [pid 5522] close(29) = -1 EBADF (Bad file descriptor) [pid 5522] exit_group(0 [pid 5524] <... clone resumed>) = ? [pid 5523] <... futex resumed>) = ? [pid 5522] <... exit_group resumed>) = ? [pid 5524] +++ exited with 0 +++ [pid 5523] +++ exited with 0 +++ [pid 5522] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=506, si_uid=0, si_status=0, si_utime=14 /* 0.14 s */, si_stime=74 /* 0.74 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 510 ./strace-static-x86_64: Process 5526 attached [pid 5526] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5526] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5526] setpgid(0, 0) = 0 [pid 5526] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5526] write(3, "1000", 4) = 4 [pid 5526] close(3) = 0 [pid 5526] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5526] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5526] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5526] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[511], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 511 [pid 5526] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5526] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5527 attached [pid 5527] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5527] memfd_create("syzkaller", 0) = 3 [pid 5527] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5527] 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"..., 67108864 [pid 5525] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=509, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=42 /* 0.42 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5527] <... write resumed>) = 67108864 [pid 5527] munmap(0x7f0f30428000, 67108864) = 0 [pid 5527] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5527] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5527] ioctl(4, LOOP_CLR_FD) = 0 [pid 5527] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5527] close(4) = 0 [pid 5527] close(3) = 0 [pid 5527] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5526] <... futex resumed>) = 0 [pid 5526] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5526] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5527] <... futex resumed>) = 1 [pid 5527] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5526] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5526] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5526] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f34407000 [pid 5526] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5526] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[512], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 512 [pid 5526] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5526] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5527] <... mmap resumed>) = 0x20000000 [pid 5527] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5527] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5528 attached [pid 5528] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5528] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5529 attached [pid 5529] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5526] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5526] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5526] close(3) = -1 EBADF (Bad file descriptor) [pid 5526] close(4) = -1 EBADF (Bad file descriptor) [pid 5526] close(5) = -1 EBADF (Bad file descriptor) [pid 5526] close(6) = -1 EBADF (Bad file descriptor) [pid 5526] close(7) = -1 EBADF (Bad file descriptor) [pid 5526] close(8) = -1 EBADF (Bad file descriptor) [pid 5526] close(9) = -1 EBADF (Bad file descriptor) [pid 5526] close(10) = -1 EBADF (Bad file descriptor) [pid 5526] close(11) = -1 EBADF (Bad file descriptor) [pid 5526] close(12) = -1 EBADF (Bad file descriptor) [pid 5526] close(13) = -1 EBADF (Bad file descriptor) [pid 5526] close(14) = -1 EBADF (Bad file descriptor) [pid 5526] close(15) = -1 EBADF (Bad file descriptor) [pid 5526] close(16) = -1 EBADF (Bad file descriptor) [pid 5526] close(17) = -1 EBADF (Bad file descriptor) [pid 5526] close(18) = -1 EBADF (Bad file descriptor) [pid 5526] close(19) = -1 EBADF (Bad file descriptor) [pid 5526] close(20) = -1 EBADF (Bad file descriptor) [pid 5526] close(21) = -1 EBADF (Bad file descriptor) [pid 5526] close(22) = -1 EBADF (Bad file descriptor) [pid 5526] close(23) = -1 EBADF (Bad file descriptor) [pid 5526] close(24) = -1 EBADF (Bad file descriptor) [pid 5526] close(25) = -1 EBADF (Bad file descriptor) [pid 5526] close(26) = -1 EBADF (Bad file descriptor) [pid 5526] close(27) = -1 EBADF (Bad file descriptor) [pid 5526] close(28) = -1 EBADF (Bad file descriptor) [pid 5526] close(29) = -1 EBADF (Bad file descriptor) [pid 5526] exit_group(0 [pid 5528] <... clone resumed>) = ? [pid 5527] <... futex resumed>) = ? [pid 5526] <... exit_group resumed>) = ? [pid 5528] +++ exited with 0 +++ [pid 5527] +++ exited with 0 +++ [pid 5526] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=510, si_uid=0, si_status=0, si_utime=11 /* 0.11 s */, si_stime=78 /* 0.78 s */} --- [pid 5000] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 514 ./strace-static-x86_64: Process 5530 attached [pid 5530] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5530] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5530] setpgid(0, 0) = 0 [pid 5530] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5530] write(3, "1000", 4) = 4 [pid 5530] close(3) = 0 [pid 5530] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5530] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5530] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5530] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[515], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 515 [pid 5530] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5530] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5531 attached [pid 5531] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5531] memfd_create("syzkaller", 0) = 3 [pid 5531] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5529] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=513, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=39 /* 0.39 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5531] 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"..., 67108864) = 67108864 [pid 5531] munmap(0x7f0f30428000, 67108864) = 0 [pid 5531] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5531] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5531] ioctl(4, LOOP_CLR_FD) = 0 [pid 5531] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5531] close(4) = 0 [pid 5531] close(3) = 0 [pid 5531] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5530] <... futex resumed>) = 0 [pid 5530] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5530] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5531] <... futex resumed>) = 1 [pid 5531] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5530] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5530] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5530] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5530] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f34407000 [pid 5530] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5530] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[516], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 516 [pid 5530] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5530] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5531] <... mmap resumed>) = 0x20000000 [pid 5531] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5531] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5532 attached [pid 5532] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5532] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5533 attached [pid 5533] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5530] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5530] close(3) = -1 EBADF (Bad file descriptor) [pid 5530] close(4) = -1 EBADF (Bad file descriptor) [pid 5530] close(5) = -1 EBADF (Bad file descriptor) [pid 5530] close(6) = -1 EBADF (Bad file descriptor) [pid 5530] close(7) = -1 EBADF (Bad file descriptor) [pid 5530] close(8) = -1 EBADF (Bad file descriptor) [pid 5530] close(9) = -1 EBADF (Bad file descriptor) [pid 5530] close(10) = -1 EBADF (Bad file descriptor) [pid 5530] close(11) = -1 EBADF (Bad file descriptor) [pid 5530] close(12) = -1 EBADF (Bad file descriptor) [pid 5530] close(13) = -1 EBADF (Bad file descriptor) [pid 5530] close(14) = -1 EBADF (Bad file descriptor) [pid 5530] close(15) = -1 EBADF (Bad file descriptor) [pid 5530] close(16) = -1 EBADF (Bad file descriptor) [pid 5530] close(17) = -1 EBADF (Bad file descriptor) [pid 5530] close(18) = -1 EBADF (Bad file descriptor) [pid 5530] close(19) = -1 EBADF (Bad file descriptor) [pid 5530] close(20) = -1 EBADF (Bad file descriptor) [pid 5530] close(21) = -1 EBADF (Bad file descriptor) [pid 5530] close(22) = -1 EBADF (Bad file descriptor) [pid 5530] close(23) = -1 EBADF (Bad file descriptor) [pid 5530] close(24) = -1 EBADF (Bad file descriptor) [pid 5530] close(25) = -1 EBADF (Bad file descriptor) [pid 5530] close(26) = -1 EBADF (Bad file descriptor) [pid 5530] close(27) = -1 EBADF (Bad file descriptor) [pid 5530] close(28) = -1 EBADF (Bad file descriptor) [pid 5530] close(29) = -1 EBADF (Bad file descriptor) [pid 5530] exit_group(0 [pid 5532] <... clone resumed>) = ? [pid 5531] <... futex resumed>) = ? [pid 5530] <... exit_group resumed>) = ? [pid 5532] +++ exited with 0 +++ [pid 5531] +++ exited with 0 +++ [pid 5530] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=514, si_uid=0, si_status=0, si_utime=16 /* 0.16 s */, si_stime=78 /* 0.78 s */} --- [pid 5000] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 518 ./strace-static-x86_64: Process 5534 attached [pid 5534] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5534] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5534] setpgid(0, 0) = 0 [pid 5534] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5534] write(3, "1000", 4) = 4 [pid 5534] close(3) = 0 [pid 5534] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5534] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5534] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5534] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[519], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 519 [pid 5534] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5534] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5535 attached [pid 5535] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5535] memfd_create("syzkaller", 0) = 3 [pid 5535] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5535] 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"..., 67108864 [pid 5533] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=517, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=35 /* 0.35 s */} --- [pid 5535] <... write resumed>) = 67108864 [pid 5535] munmap(0x7f0f30428000, 67108864) = 0 [pid 5535] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5535] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5535] ioctl(4, LOOP_CLR_FD) = 0 [pid 5535] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5535] close(4) = 0 [pid 5535] close(3) = 0 [pid 5535] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5534] <... futex resumed>) = 0 [pid 5534] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5534] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5535] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5534] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5534] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5534] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5535] <... mmap resumed>) = 0x20000000 [pid 5534] <... mmap resumed>) = 0x7f0f34407000 [pid 5534] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5534] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[520], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 520 [pid 5534] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5534] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5535] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5535] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5536 attached [pid 5536] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5536] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5537 attached [pid 5537] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5534] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5534] close(3) = -1 EBADF (Bad file descriptor) [pid 5534] close(4) = -1 EBADF (Bad file descriptor) [pid 5534] close(5) = -1 EBADF (Bad file descriptor) [pid 5534] close(6) = -1 EBADF (Bad file descriptor) [pid 5534] close(7) = -1 EBADF (Bad file descriptor) [pid 5534] close(8) = -1 EBADF (Bad file descriptor) [pid 5534] close(9) = -1 EBADF (Bad file descriptor) [pid 5534] close(10) = -1 EBADF (Bad file descriptor) [pid 5534] close(11) = -1 EBADF (Bad file descriptor) [pid 5534] close(12) = -1 EBADF (Bad file descriptor) [pid 5534] close(13) = -1 EBADF (Bad file descriptor) [pid 5534] close(14) = -1 EBADF (Bad file descriptor) [pid 5534] close(15) = -1 EBADF (Bad file descriptor) [pid 5534] close(16) = -1 EBADF (Bad file descriptor) [pid 5534] close(17) = -1 EBADF (Bad file descriptor) [pid 5534] close(18) = -1 EBADF (Bad file descriptor) [pid 5534] close(19) = -1 EBADF (Bad file descriptor) [pid 5534] close(20) = -1 EBADF (Bad file descriptor) [pid 5534] close(21) = -1 EBADF (Bad file descriptor) [pid 5534] close(22) = -1 EBADF (Bad file descriptor) [pid 5534] close(23) = -1 EBADF (Bad file descriptor) [pid 5534] close(24) = -1 EBADF (Bad file descriptor) [pid 5534] close(25) = -1 EBADF (Bad file descriptor) [pid 5534] close(26) = -1 EBADF (Bad file descriptor) [pid 5534] close(27) = -1 EBADF (Bad file descriptor) [pid 5534] close(28) = -1 EBADF (Bad file descriptor) [pid 5534] close(29) = -1 EBADF (Bad file descriptor) [pid 5534] exit_group(0 [pid 5536] <... clone resumed>) = ? [pid 5535] <... futex resumed>) = ? [pid 5534] <... exit_group resumed>) = ? [pid 5536] +++ exited with 0 +++ [pid 5535] +++ exited with 0 +++ [pid 5534] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=518, si_uid=0, si_status=0, si_utime=18 /* 0.18 s */, si_stime=67 /* 0.67 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 522 ./strace-static-x86_64: Process 5538 attached [pid 5538] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5538] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5538] setpgid(0, 0) = 0 [pid 5538] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5538] write(3, "1000", 4) = 4 [pid 5538] close(3) = 0 [pid 5538] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5538] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5538] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5538] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[523], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 523 [pid 5538] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5538] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5539 attached [pid 5539] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5539] memfd_create("syzkaller", 0) = 3 [pid 5539] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5537] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=521, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=39 /* 0.39 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5539] 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"..., 67108864) = 67108864 [pid 5539] munmap(0x7f0f30428000, 67108864) = 0 [pid 5539] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5539] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5539] ioctl(4, LOOP_CLR_FD) = 0 [pid 5539] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5539] close(4) = 0 [pid 5539] close(3) = 0 [pid 5539] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5538] <... futex resumed>) = 0 [pid 5538] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5538] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5539] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5538] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5538] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5538] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5538] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5539] <... mmap resumed>) = 0x20000000 [pid 5538] <... mmap resumed>) = 0x7f0f34407000 [pid 5538] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5538] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[524], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 524 [pid 5538] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5538] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5539] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5539] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5540 attached [pid 5540] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5540] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5541 attached [pid 5541] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5538] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5538] close(3) = -1 EBADF (Bad file descriptor) [pid 5538] close(4) = -1 EBADF (Bad file descriptor) [pid 5538] close(5) = -1 EBADF (Bad file descriptor) [pid 5538] close(6) = -1 EBADF (Bad file descriptor) [pid 5538] close(7) = -1 EBADF (Bad file descriptor) [pid 5538] close(8) = -1 EBADF (Bad file descriptor) [pid 5538] close(9) = -1 EBADF (Bad file descriptor) [pid 5538] close(10) = -1 EBADF (Bad file descriptor) [pid 5538] close(11) = -1 EBADF (Bad file descriptor) [pid 5538] close(12) = -1 EBADF (Bad file descriptor) [pid 5538] close(13) = -1 EBADF (Bad file descriptor) [pid 5538] close(14) = -1 EBADF (Bad file descriptor) [pid 5538] close(15) = -1 EBADF (Bad file descriptor) [pid 5538] close(16) = -1 EBADF (Bad file descriptor) [pid 5538] close(17) = -1 EBADF (Bad file descriptor) [pid 5538] close(18) = -1 EBADF (Bad file descriptor) [pid 5538] close(19) = -1 EBADF (Bad file descriptor) [pid 5538] close(20) = -1 EBADF (Bad file descriptor) [pid 5538] close(21) = -1 EBADF (Bad file descriptor) [pid 5538] close(22) = -1 EBADF (Bad file descriptor) [pid 5538] close(23) = -1 EBADF (Bad file descriptor) [pid 5538] close(24) = -1 EBADF (Bad file descriptor) [pid 5538] close(25) = -1 EBADF (Bad file descriptor) [pid 5538] close(26) = -1 EBADF (Bad file descriptor) [pid 5538] close(27) = -1 EBADF (Bad file descriptor) [pid 5538] close(28) = -1 EBADF (Bad file descriptor) [pid 5538] close(29) = -1 EBADF (Bad file descriptor) [pid 5538] exit_group(0) = ? [pid 5539] <... futex resumed>) = ? [pid 5540] <... clone resumed>) = ? [pid 5539] +++ exited with 0 +++ [pid 5540] +++ exited with 0 +++ [pid 5538] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=522, si_uid=0, si_status=0, si_utime=15 /* 0.15 s */, si_stime=72 /* 0.72 s */} --- [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 526 ./strace-static-x86_64: Process 5542 attached [pid 5542] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5542] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5542] setpgid(0, 0) = 0 [pid 5542] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5542] write(3, "1000", 4) = 4 [pid 5542] close(3) = 0 [pid 5542] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5542] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5542] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5542] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[527], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 527 [pid 5542] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5542] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5543 attached [pid 5543] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5543] memfd_create("syzkaller", 0) = 3 [pid 5543] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5541] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=525, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=39 /* 0.39 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5543] 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"..., 67108864) = 67108864 [pid 5543] munmap(0x7f0f30428000, 67108864) = 0 [pid 5543] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5543] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5543] ioctl(4, LOOP_CLR_FD) = 0 [pid 5543] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5543] close(4) = 0 [pid 5543] close(3) = 0 [pid 5543] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5542] <... futex resumed>) = 0 [pid 5542] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5542] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5543] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5542] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5542] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5542] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5542] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5543] <... mmap resumed>) = 0x20000000 [pid 5542] <... mmap resumed>) = 0x7f0f34407000 [pid 5543] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5542] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE [pid 5543] <... futex resumed>) = 0 [pid 5542] <... mprotect resumed>) = 0 [pid 5542] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[528], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 528 [pid 5542] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5542] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5543] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5544 attached [pid 5544] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5544] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5545 attached [pid 5545] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5542] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5542] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5542] close(3) = -1 EBADF (Bad file descriptor) [pid 5542] close(4) = -1 EBADF (Bad file descriptor) [pid 5542] close(5) = -1 EBADF (Bad file descriptor) [pid 5542] close(6) = -1 EBADF (Bad file descriptor) [pid 5542] close(7) = -1 EBADF (Bad file descriptor) [pid 5542] close(8) = -1 EBADF (Bad file descriptor) [pid 5542] close(9) = -1 EBADF (Bad file descriptor) [pid 5542] close(10) = -1 EBADF (Bad file descriptor) [pid 5542] close(11) = -1 EBADF (Bad file descriptor) [pid 5542] close(12) = -1 EBADF (Bad file descriptor) [pid 5542] close(13) = -1 EBADF (Bad file descriptor) [pid 5542] close(14) = -1 EBADF (Bad file descriptor) [pid 5542] close(15) = -1 EBADF (Bad file descriptor) [pid 5542] close(16) = -1 EBADF (Bad file descriptor) [pid 5542] close(17) = -1 EBADF (Bad file descriptor) [pid 5542] close(18) = -1 EBADF (Bad file descriptor) [pid 5542] close(19) = -1 EBADF (Bad file descriptor) [pid 5542] close(20) = -1 EBADF (Bad file descriptor) [pid 5542] close(21) = -1 EBADF (Bad file descriptor) [pid 5542] close(22) = -1 EBADF (Bad file descriptor) [pid 5542] close(23) = -1 EBADF (Bad file descriptor) [pid 5542] close(24) = -1 EBADF (Bad file descriptor) [pid 5542] close(25) = -1 EBADF (Bad file descriptor) [pid 5542] close(26) = -1 EBADF (Bad file descriptor) [pid 5542] close(27) = -1 EBADF (Bad file descriptor) [pid 5542] close(28) = -1 EBADF (Bad file descriptor) [pid 5542] close(29) = -1 EBADF (Bad file descriptor) [pid 5542] exit_group(0 [pid 5544] <... clone resumed>) = ? [pid 5543] <... futex resumed>) = ? [pid 5542] <... exit_group resumed>) = ? [pid 5544] +++ exited with 0 +++ [pid 5543] +++ exited with 0 +++ [pid 5542] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=526, si_uid=0, si_status=0, si_utime=16 /* 0.16 s */, si_stime=77 /* 0.77 s */} --- [pid 5000] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 530 ./strace-static-x86_64: Process 5546 attached [pid 5546] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5546] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5546] setpgid(0, 0) = 0 [pid 5546] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5546] write(3, "1000", 4) = 4 [pid 5546] close(3) = 0 [pid 5546] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5546] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5546] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5546] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[531], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 531 [pid 5546] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5546] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5547 attached [pid 5547] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5547] memfd_create("syzkaller", 0) = 3 [pid 5547] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5545] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=529, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=41 /* 0.41 s */} --- [pid 5547] 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"..., 67108864) = 67108864 [pid 5547] munmap(0x7f0f30428000, 67108864) = 0 [pid 5547] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5547] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5547] ioctl(4, LOOP_CLR_FD) = 0 [pid 5547] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5547] close(4) = 0 [pid 5547] close(3) = 0 [pid 5547] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5546] <... futex resumed>) = 0 [pid 5547] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5546] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5546] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5547] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5547] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5546] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5546] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5546] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5546] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5547] <... mmap resumed>) = 0x20000000 [pid 5546] <... mmap resumed>) = 0x7f0f34407000 [pid 5546] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5547] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5546] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5547] <... futex resumed>) = 0 [pid 5546] <... clone resumed>, parent_tid=[532], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 532 [pid 5546] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5546] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5547] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5548 attached [pid 5548] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5548] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5549 attached [pid 5549] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5546] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5546] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5546] close(3) = -1 EBADF (Bad file descriptor) [pid 5546] close(4) = -1 EBADF (Bad file descriptor) [pid 5546] close(5) = -1 EBADF (Bad file descriptor) [pid 5546] close(6) = -1 EBADF (Bad file descriptor) [pid 5546] close(7) = -1 EBADF (Bad file descriptor) [pid 5546] close(8) = -1 EBADF (Bad file descriptor) [pid 5546] close(9) = -1 EBADF (Bad file descriptor) [pid 5546] close(10) = -1 EBADF (Bad file descriptor) [pid 5546] close(11) = -1 EBADF (Bad file descriptor) [pid 5546] close(12) = -1 EBADF (Bad file descriptor) [pid 5546] close(13) = -1 EBADF (Bad file descriptor) [pid 5546] close(14) = -1 EBADF (Bad file descriptor) [pid 5546] close(15) = -1 EBADF (Bad file descriptor) [pid 5546] close(16) = -1 EBADF (Bad file descriptor) [pid 5546] close(17) = -1 EBADF (Bad file descriptor) [pid 5546] close(18) = -1 EBADF (Bad file descriptor) [pid 5546] close(19) = -1 EBADF (Bad file descriptor) [pid 5546] close(20) = -1 EBADF (Bad file descriptor) [pid 5546] close(21) = -1 EBADF (Bad file descriptor) [pid 5546] close(22) = -1 EBADF (Bad file descriptor) [pid 5546] close(23) = -1 EBADF (Bad file descriptor) [pid 5546] close(24) = -1 EBADF (Bad file descriptor) [pid 5546] close(25) = -1 EBADF (Bad file descriptor) [pid 5546] close(26) = -1 EBADF (Bad file descriptor) [pid 5546] close(27) = -1 EBADF (Bad file descriptor) [pid 5546] close(28) = -1 EBADF (Bad file descriptor) [pid 5546] close(29) = -1 EBADF (Bad file descriptor) [pid 5546] exit_group(0 [pid 5548] <... clone resumed>) = ? [pid 5547] <... futex resumed>) = ? [pid 5546] <... exit_group resumed>) = ? [pid 5548] +++ exited with 0 +++ [pid 5547] +++ exited with 0 +++ [pid 5546] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=530, si_uid=0, si_status=0, si_utime=16 /* 0.16 s */, si_stime=75 /* 0.75 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 534 ./strace-static-x86_64: Process 5550 attached [pid 5550] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5550] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5550] setpgid(0, 0) = 0 [pid 5550] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5550] write(3, "1000", 4) = 4 [pid 5550] close(3) = 0 [pid 5550] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5550] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5550] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5550] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[535], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 535 [pid 5550] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5550] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5551 attached [pid 5551] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5551] memfd_create("syzkaller", 0) = 3 [pid 5551] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5549] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=533, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=42 /* 0.42 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5551] 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"..., 67108864) = 67108864 [pid 5551] munmap(0x7f0f30428000, 67108864) = 0 [pid 5551] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5551] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5551] ioctl(4, LOOP_CLR_FD) = 0 [pid 5551] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5551] close(4) = 0 [pid 5551] close(3) = 0 [pid 5551] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5550] <... futex resumed>) = 0 [pid 5550] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5550] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5551] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5550] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5550] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5550] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5551] <... mmap resumed>) = 0x20000000 [pid 5550] <... mmap resumed>) = 0x7f0f34407000 [pid 5550] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE [pid 5551] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5550] <... mprotect resumed>) = 0 [pid 5550] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5551] <... futex resumed>) = 0 [pid 5550] <... clone resumed>, parent_tid=[536], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 536 [pid 5550] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5550] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5551] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5552 attached [pid 5552] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5552] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5553 attached [pid 5553] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5550] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5550] close(3) = -1 EBADF (Bad file descriptor) [pid 5550] close(4) = -1 EBADF (Bad file descriptor) [pid 5550] close(5) = -1 EBADF (Bad file descriptor) [pid 5550] close(6) = -1 EBADF (Bad file descriptor) [pid 5550] close(7) = -1 EBADF (Bad file descriptor) [pid 5550] close(8) = -1 EBADF (Bad file descriptor) [pid 5550] close(9) = -1 EBADF (Bad file descriptor) [pid 5550] close(10) = -1 EBADF (Bad file descriptor) [pid 5550] close(11) = -1 EBADF (Bad file descriptor) [pid 5550] close(12) = -1 EBADF (Bad file descriptor) [pid 5550] close(13) = -1 EBADF (Bad file descriptor) [pid 5550] close(14) = -1 EBADF (Bad file descriptor) [pid 5550] close(15) = -1 EBADF (Bad file descriptor) [pid 5550] close(16) = -1 EBADF (Bad file descriptor) [pid 5550] close(17) = -1 EBADF (Bad file descriptor) [pid 5550] close(18) = -1 EBADF (Bad file descriptor) [pid 5550] close(19) = -1 EBADF (Bad file descriptor) [pid 5550] close(20) = -1 EBADF (Bad file descriptor) [pid 5550] close(21) = -1 EBADF (Bad file descriptor) [pid 5550] close(22) = -1 EBADF (Bad file descriptor) [pid 5550] close(23) = -1 EBADF (Bad file descriptor) [pid 5550] close(24) = -1 EBADF (Bad file descriptor) [pid 5550] close(25) = -1 EBADF (Bad file descriptor) [pid 5550] close(26) = -1 EBADF (Bad file descriptor) [pid 5550] close(27) = -1 EBADF (Bad file descriptor) [pid 5550] close(28) = -1 EBADF (Bad file descriptor) [pid 5550] close(29) = -1 EBADF (Bad file descriptor) [pid 5550] exit_group(0 [pid 5552] <... clone resumed>) = ? [pid 5551] <... futex resumed>) = ? [pid 5550] <... exit_group resumed>) = ? [pid 5552] +++ exited with 0 +++ [pid 5551] +++ exited with 0 +++ [pid 5550] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=534, si_uid=0, si_status=0, si_utime=14 /* 0.14 s */, si_stime=72 /* 0.72 s */} --- [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 538 ./strace-static-x86_64: Process 5554 attached [pid 5554] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5554] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5554] setpgid(0, 0) = 0 [pid 5554] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5554] write(3, "1000", 4) = 4 [pid 5554] close(3) = 0 [pid 5554] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5554] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5554] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5554] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[539], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 539 [pid 5554] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5554] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5555 attached [pid 5555] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5555] memfd_create("syzkaller", 0) = 3 [pid 5555] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5555] 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"..., 67108864 [pid 5553] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=537, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=32 /* 0.32 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5555] <... write resumed>) = 67108864 [pid 5555] munmap(0x7f0f30428000, 67108864) = 0 [pid 5555] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5555] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5555] ioctl(4, LOOP_CLR_FD) = 0 [pid 5555] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5555] close(4) = 0 [pid 5555] close(3) = 0 [pid 5555] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5554] <... futex resumed>) = 0 [pid 5554] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5554] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5555] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5554] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5554] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5554] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5554] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5555] <... mmap resumed>) = 0x20000000 [pid 5554] <... mmap resumed>) = 0x7f0f34407000 [pid 5554] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE [pid 5555] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5554] <... mprotect resumed>) = 0 [pid 5554] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5555] <... futex resumed>) = 0 [pid 5554] <... clone resumed>, parent_tid=[540], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 540 [pid 5554] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5554] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5555] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5556 attached [pid 5556] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5556] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5557 attached [pid 5557] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5554] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5554] close(3) = -1 EBADF (Bad file descriptor) [pid 5554] close(4) = -1 EBADF (Bad file descriptor) [pid 5554] close(5) = -1 EBADF (Bad file descriptor) [pid 5554] close(6) = -1 EBADF (Bad file descriptor) [pid 5554] close(7) = -1 EBADF (Bad file descriptor) [pid 5554] close(8) = -1 EBADF (Bad file descriptor) [pid 5554] close(9) = -1 EBADF (Bad file descriptor) [pid 5554] close(10) = -1 EBADF (Bad file descriptor) [pid 5554] close(11) = -1 EBADF (Bad file descriptor) [pid 5554] close(12) = -1 EBADF (Bad file descriptor) [pid 5554] close(13) = -1 EBADF (Bad file descriptor) [pid 5554] close(14) = -1 EBADF (Bad file descriptor) [pid 5554] close(15) = -1 EBADF (Bad file descriptor) [pid 5554] close(16) = -1 EBADF (Bad file descriptor) [pid 5554] close(17) = -1 EBADF (Bad file descriptor) [pid 5554] close(18) = -1 EBADF (Bad file descriptor) [pid 5554] close(19) = -1 EBADF (Bad file descriptor) [pid 5554] close(20) = -1 EBADF (Bad file descriptor) [pid 5554] close(21) = -1 EBADF (Bad file descriptor) [pid 5554] close(22) = -1 EBADF (Bad file descriptor) [pid 5554] close(23) = -1 EBADF (Bad file descriptor) [pid 5554] close(24) = -1 EBADF (Bad file descriptor) [pid 5554] close(25) = -1 EBADF (Bad file descriptor) [pid 5554] close(26) = -1 EBADF (Bad file descriptor) [pid 5554] close(27) = -1 EBADF (Bad file descriptor) [pid 5554] close(28) = -1 EBADF (Bad file descriptor) [pid 5554] close(29) = -1 EBADF (Bad file descriptor) [pid 5554] exit_group(0 [pid 5556] <... clone resumed>) = ? [pid 5555] <... futex resumed>) = ? [pid 5554] <... exit_group resumed>) = ? [pid 5556] +++ exited with 0 +++ [pid 5555] +++ exited with 0 +++ [pid 5554] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=538, si_uid=0, si_status=0, si_utime=16 /* 0.16 s */, si_stime=80 /* 0.80 s */} --- [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 542 ./strace-static-x86_64: Process 5558 attached [pid 5558] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5558] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5558] setpgid(0, 0) = 0 [pid 5558] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5558] write(3, "1000", 4) = 4 [pid 5558] close(3) = 0 [pid 5558] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5558] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5558] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5558] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[543], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 543 [pid 5558] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5558] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5559 attached [pid 5559] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5559] memfd_create("syzkaller", 0) = 3 [pid 5559] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5559] 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"..., 67108864 [pid 5557] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=541, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=39 /* 0.39 s */} --- [pid 5559] <... write resumed>) = 67108864 [pid 5559] munmap(0x7f0f30428000, 67108864) = 0 [pid 5559] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5559] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5559] ioctl(4, LOOP_CLR_FD) = 0 [pid 5559] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5559] close(4) = 0 [pid 5559] close(3) = 0 [pid 5559] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5558] <... futex resumed>) = 0 [pid 5558] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5558] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5559] <... futex resumed>) = 1 [pid 5559] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5558] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5558] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5558] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5558] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f34407000 [pid 5558] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5558] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[544], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 544 [pid 5558] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5558] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5559] <... mmap resumed>) = 0x20000000 [pid 5559] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5559] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5560 attached [pid 5560] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5560] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5561 attached [pid 5561] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5558] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5558] close(3) = -1 EBADF (Bad file descriptor) [pid 5558] close(4) = -1 EBADF (Bad file descriptor) [pid 5558] close(5) = -1 EBADF (Bad file descriptor) [pid 5558] close(6) = -1 EBADF (Bad file descriptor) [pid 5558] close(7) = -1 EBADF (Bad file descriptor) [pid 5558] close(8) = -1 EBADF (Bad file descriptor) [pid 5558] close(9) = -1 EBADF (Bad file descriptor) [pid 5558] close(10) = -1 EBADF (Bad file descriptor) [pid 5558] close(11) = -1 EBADF (Bad file descriptor) [pid 5558] close(12) = -1 EBADF (Bad file descriptor) [pid 5558] close(13) = -1 EBADF (Bad file descriptor) [pid 5558] close(14) = -1 EBADF (Bad file descriptor) [pid 5558] close(15) = -1 EBADF (Bad file descriptor) [pid 5558] close(16) = -1 EBADF (Bad file descriptor) [pid 5558] close(17) = -1 EBADF (Bad file descriptor) [pid 5558] close(18) = -1 EBADF (Bad file descriptor) [pid 5558] close(19) = -1 EBADF (Bad file descriptor) [pid 5558] close(20) = -1 EBADF (Bad file descriptor) [pid 5558] close(21) = -1 EBADF (Bad file descriptor) [pid 5558] close(22) = -1 EBADF (Bad file descriptor) [pid 5558] close(23) = -1 EBADF (Bad file descriptor) [pid 5558] close(24) = -1 EBADF (Bad file descriptor) [pid 5558] close(25) = -1 EBADF (Bad file descriptor) [pid 5558] close(26) = -1 EBADF (Bad file descriptor) [pid 5558] close(27) = -1 EBADF (Bad file descriptor) [pid 5558] close(28) = -1 EBADF (Bad file descriptor) [pid 5558] close(29) = -1 EBADF (Bad file descriptor) [pid 5558] exit_group(0 [pid 5560] <... clone resumed>) = ? [pid 5559] <... futex resumed>) = ? [pid 5558] <... exit_group resumed>) = ? [pid 5560] +++ exited with 0 +++ [pid 5559] +++ exited with 0 +++ [pid 5558] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=542, si_uid=0, si_status=0, si_utime=17 /* 0.17 s */, si_stime=73 /* 0.73 s */} --- [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 546 ./strace-static-x86_64: Process 5562 attached [pid 5562] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5562] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5562] setpgid(0, 0) = 0 [pid 5562] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5562] write(3, "1000", 4) = 4 [pid 5562] close(3) = 0 [pid 5562] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5562] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5562] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5562] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[547], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 547 [pid 5562] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5562] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5563 attached [pid 5563] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5563] memfd_create("syzkaller", 0) = 3 [pid 5563] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5563] 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"..., 67108864 [pid 5561] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=545, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=37 /* 0.37 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5563] <... write resumed>) = 67108864 [pid 5563] munmap(0x7f0f30428000, 67108864) = 0 [pid 5563] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5563] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5563] ioctl(4, LOOP_CLR_FD) = 0 [pid 5563] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5563] close(4) = 0 [pid 5563] close(3) = 0 [pid 5563] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5562] <... futex resumed>) = 0 [pid 5562] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5562] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5563] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5562] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5562] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5562] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5563] <... mmap resumed>) = 0x20000000 [pid 5562] <... mmap resumed>) = 0x7f0f34407000 [pid 5562] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5562] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[548], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 548 [pid 5562] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5562] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5563] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5563] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5564 attached [pid 5564] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5564] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5565 attached [pid 5565] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5562] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5562] close(3) = -1 EBADF (Bad file descriptor) [pid 5562] close(4) = -1 EBADF (Bad file descriptor) [pid 5562] close(5) = -1 EBADF (Bad file descriptor) [pid 5562] close(6) = -1 EBADF (Bad file descriptor) [pid 5562] close(7) = -1 EBADF (Bad file descriptor) [pid 5562] close(8) = -1 EBADF (Bad file descriptor) [pid 5562] close(9) = -1 EBADF (Bad file descriptor) [pid 5562] close(10) = -1 EBADF (Bad file descriptor) [pid 5562] close(11) = -1 EBADF (Bad file descriptor) [pid 5562] close(12) = -1 EBADF (Bad file descriptor) [pid 5562] close(13) = -1 EBADF (Bad file descriptor) [pid 5562] close(14) = -1 EBADF (Bad file descriptor) [pid 5562] close(15) = -1 EBADF (Bad file descriptor) [pid 5562] close(16) = -1 EBADF (Bad file descriptor) [pid 5562] close(17) = -1 EBADF (Bad file descriptor) [pid 5562] close(18) = -1 EBADF (Bad file descriptor) [pid 5562] close(19) = -1 EBADF (Bad file descriptor) [pid 5562] close(20) = -1 EBADF (Bad file descriptor) [pid 5562] close(21) = -1 EBADF (Bad file descriptor) [pid 5562] close(22) = -1 EBADF (Bad file descriptor) [pid 5562] close(23) = -1 EBADF (Bad file descriptor) [pid 5562] close(24) = -1 EBADF (Bad file descriptor) [pid 5562] close(25) = -1 EBADF (Bad file descriptor) [pid 5562] close(26) = -1 EBADF (Bad file descriptor) [pid 5562] close(27) = -1 EBADF (Bad file descriptor) [pid 5562] close(28) = -1 EBADF (Bad file descriptor) [pid 5562] close(29) = -1 EBADF (Bad file descriptor) [pid 5562] exit_group(0 [pid 5564] <... clone resumed>) = ? [pid 5563] <... futex resumed>) = ? [pid 5562] <... exit_group resumed>) = ? [pid 5564] +++ exited with 0 +++ [pid 5563] +++ exited with 0 +++ [pid 5562] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=546, si_uid=0, si_status=0, si_utime=16 /* 0.16 s */, si_stime=68 /* 0.68 s */} --- [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 550 ./strace-static-x86_64: Process 5566 attached [pid 5566] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5566] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5566] setpgid(0, 0) = 0 [pid 5566] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5566] write(3, "1000", 4) = 4 [pid 5566] close(3) = 0 [pid 5566] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5566] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5566] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5566] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[551], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 551 [pid 5566] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5566] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5567 attached [pid 5567] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5567] memfd_create("syzkaller", 0) = 3 [pid 5567] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5565] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=549, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=39 /* 0.39 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5567] 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"..., 67108864) = 67108864 [pid 5567] munmap(0x7f0f30428000, 67108864) = 0 [pid 5567] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5567] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5567] ioctl(4, LOOP_CLR_FD) = 0 [pid 5567] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5567] close(4) = 0 [pid 5567] close(3) = 0 [pid 5567] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5566] <... futex resumed>) = 0 [pid 5566] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5566] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5567] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5566] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5566] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5566] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5567] <... mmap resumed>) = 0x20000000 [pid 5566] <... mmap resumed>) = 0x7f0f34407000 [pid 5566] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE [pid 5567] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5566] <... mprotect resumed>) = 0 [pid 5566] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[552], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 552 [pid 5566] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5566] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5567] <... futex resumed>) = 0 [pid 5567] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5568 attached [pid 5568] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5568] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5569 attached [pid 5569] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5566] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5566] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5566] close(3) = -1 EBADF (Bad file descriptor) [pid 5566] close(4) = -1 EBADF (Bad file descriptor) [pid 5566] close(5) = -1 EBADF (Bad file descriptor) [pid 5566] close(6) = -1 EBADF (Bad file descriptor) [pid 5566] close(7) = -1 EBADF (Bad file descriptor) [pid 5566] close(8) = -1 EBADF (Bad file descriptor) [pid 5566] close(9) = -1 EBADF (Bad file descriptor) [pid 5566] close(10) = -1 EBADF (Bad file descriptor) [pid 5566] close(11) = -1 EBADF (Bad file descriptor) [pid 5566] close(12) = -1 EBADF (Bad file descriptor) [pid 5566] close(13) = -1 EBADF (Bad file descriptor) [pid 5566] close(14) = -1 EBADF (Bad file descriptor) [pid 5566] close(15) = -1 EBADF (Bad file descriptor) [pid 5566] close(16) = -1 EBADF (Bad file descriptor) [pid 5566] close(17) = -1 EBADF (Bad file descriptor) [pid 5566] close(18) = -1 EBADF (Bad file descriptor) [pid 5566] close(19) = -1 EBADF (Bad file descriptor) [pid 5566] close(20) = -1 EBADF (Bad file descriptor) [pid 5566] close(21) = -1 EBADF (Bad file descriptor) [pid 5566] close(22) = -1 EBADF (Bad file descriptor) [pid 5566] close(23) = -1 EBADF (Bad file descriptor) [pid 5566] close(24) = -1 EBADF (Bad file descriptor) [pid 5566] close(25) = -1 EBADF (Bad file descriptor) [pid 5566] close(26) = -1 EBADF (Bad file descriptor) [pid 5566] close(27) = -1 EBADF (Bad file descriptor) [pid 5566] close(28) = -1 EBADF (Bad file descriptor) [pid 5566] close(29) = -1 EBADF (Bad file descriptor) [pid 5566] exit_group(0 [pid 5568] <... clone resumed>) = ? [pid 5567] <... futex resumed>) = ? [pid 5566] <... exit_group resumed>) = ? [pid 5568] +++ exited with 0 +++ [pid 5567] +++ exited with 0 +++ [pid 5566] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=550, si_uid=0, si_status=0, si_utime=14 /* 0.14 s */, si_stime=81 /* 0.81 s */} --- [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 554 ./strace-static-x86_64: Process 5570 attached [pid 5570] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5570] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5570] setpgid(0, 0) = 0 [pid 5570] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5570] write(3, "1000", 4) = 4 [pid 5570] close(3) = 0 [pid 5570] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5570] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5570] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5570] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[555], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 555 [pid 5570] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5570] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5571 attached [pid 5571] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5571] memfd_create("syzkaller", 0) = 3 [pid 5571] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5571] 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"..., 67108864 [pid 5569] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=553, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=38 /* 0.38 s */} --- [pid 5571] <... write resumed>) = 67108864 [pid 5571] munmap(0x7f0f30428000, 67108864) = 0 [pid 5571] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5571] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5571] ioctl(4, LOOP_CLR_FD) = 0 [pid 5571] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5571] close(4) = 0 [pid 5571] close(3) = 0 [pid 5571] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5570] <... futex resumed>) = 0 [pid 5570] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5570] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5571] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5570] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5570] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5570] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5571] <... mmap resumed>) = 0x20000000 [pid 5570] <... mmap resumed>) = 0x7f0f34407000 [pid 5570] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE [pid 5571] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5570] <... mprotect resumed>) = 0 [pid 5570] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[556], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 556 [pid 5570] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5570] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5571] <... futex resumed>) = 0 [pid 5571] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5572 attached [pid 5572] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5572] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5573 attached [pid 5573] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5570] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5570] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5570] close(3) = -1 EBADF (Bad file descriptor) [pid 5570] close(4) = -1 EBADF (Bad file descriptor) [pid 5570] close(5) = -1 EBADF (Bad file descriptor) [pid 5570] close(6) = -1 EBADF (Bad file descriptor) [pid 5570] close(7) = -1 EBADF (Bad file descriptor) [pid 5570] close(8) = -1 EBADF (Bad file descriptor) [pid 5570] close(9) = -1 EBADF (Bad file descriptor) [pid 5570] close(10) = -1 EBADF (Bad file descriptor) [pid 5570] close(11) = -1 EBADF (Bad file descriptor) [pid 5570] close(12) = -1 EBADF (Bad file descriptor) [pid 5570] close(13) = -1 EBADF (Bad file descriptor) [pid 5570] close(14) = -1 EBADF (Bad file descriptor) [pid 5570] close(15) = -1 EBADF (Bad file descriptor) [pid 5570] close(16) = -1 EBADF (Bad file descriptor) [pid 5570] close(17) = -1 EBADF (Bad file descriptor) [pid 5570] close(18) = -1 EBADF (Bad file descriptor) [pid 5570] close(19) = -1 EBADF (Bad file descriptor) [pid 5570] close(20) = -1 EBADF (Bad file descriptor) [pid 5570] close(21) = -1 EBADF (Bad file descriptor) [pid 5570] close(22) = -1 EBADF (Bad file descriptor) [pid 5570] close(23) = -1 EBADF (Bad file descriptor) [pid 5570] close(24) = -1 EBADF (Bad file descriptor) [pid 5570] close(25) = -1 EBADF (Bad file descriptor) [pid 5570] close(26) = -1 EBADF (Bad file descriptor) [pid 5570] close(27) = -1 EBADF (Bad file descriptor) [pid 5570] close(28) = -1 EBADF (Bad file descriptor) [pid 5570] close(29) = -1 EBADF (Bad file descriptor) [pid 5570] exit_group(0 [pid 5572] <... clone resumed>) = ? [pid 5571] <... futex resumed>) = ? [pid 5570] <... exit_group resumed>) = ? [pid 5572] +++ exited with 0 +++ [pid 5571] +++ exited with 0 +++ [pid 5570] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=554, si_uid=0, si_status=0, si_utime=16 /* 0.16 s */, si_stime=76 /* 0.76 s */} --- [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 558 ./strace-static-x86_64: Process 5574 attached [pid 5574] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5574] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5574] setpgid(0, 0) = 0 [pid 5574] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5574] write(3, "1000", 4) = 4 [pid 5574] close(3) = 0 [pid 5574] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5574] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5574] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5574] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[559], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 559 [pid 5574] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5574] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5575 attached [pid 5575] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5575] memfd_create("syzkaller", 0) = 3 [pid 5575] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5575] 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"..., 67108864 [pid 5573] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=557, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=38 /* 0.38 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5575] <... write resumed>) = 67108864 [pid 5575] munmap(0x7f0f30428000, 67108864) = 0 [pid 5575] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5575] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5575] ioctl(4, LOOP_CLR_FD) = 0 [pid 5575] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5575] close(4) = 0 [pid 5575] close(3) = 0 [pid 5575] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5574] <... futex resumed>) = 0 [pid 5574] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5574] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5575] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5574] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5574] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5574] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5575] <... mmap resumed>) = 0x20000000 [pid 5574] <... mmap resumed>) = 0x7f0f34407000 [pid 5574] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE [pid 5575] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5574] <... mprotect resumed>) = 0 [pid 5574] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5575] <... futex resumed>) = 0 [pid 5574] <... clone resumed>, parent_tid=[560], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 560 [pid 5574] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5574] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5575] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5576 attached [pid 5576] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5576] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5577 attached [pid 5577] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5574] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5574] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5574] close(3) = -1 EBADF (Bad file descriptor) [pid 5574] close(4) = -1 EBADF (Bad file descriptor) [pid 5574] close(5) = -1 EBADF (Bad file descriptor) [pid 5574] close(6) = -1 EBADF (Bad file descriptor) [pid 5574] close(7) = -1 EBADF (Bad file descriptor) [pid 5574] close(8) = -1 EBADF (Bad file descriptor) [pid 5574] close(9) = -1 EBADF (Bad file descriptor) [pid 5574] close(10) = -1 EBADF (Bad file descriptor) [pid 5574] close(11) = -1 EBADF (Bad file descriptor) [pid 5574] close(12) = -1 EBADF (Bad file descriptor) [pid 5574] close(13) = -1 EBADF (Bad file descriptor) [pid 5574] close(14) = -1 EBADF (Bad file descriptor) [pid 5574] close(15) = -1 EBADF (Bad file descriptor) [pid 5574] close(16) = -1 EBADF (Bad file descriptor) [pid 5574] close(17) = -1 EBADF (Bad file descriptor) [pid 5574] close(18) = -1 EBADF (Bad file descriptor) [pid 5574] close(19) = -1 EBADF (Bad file descriptor) [pid 5574] close(20) = -1 EBADF (Bad file descriptor) [pid 5574] close(21) = -1 EBADF (Bad file descriptor) [pid 5574] close(22) = -1 EBADF (Bad file descriptor) [pid 5574] close(23) = -1 EBADF (Bad file descriptor) [pid 5574] close(24) = -1 EBADF (Bad file descriptor) [pid 5574] close(25) = -1 EBADF (Bad file descriptor) [pid 5574] close(26) = -1 EBADF (Bad file descriptor) [pid 5574] close(27) = -1 EBADF (Bad file descriptor) [pid 5574] close(28) = -1 EBADF (Bad file descriptor) [pid 5574] close(29) = -1 EBADF (Bad file descriptor) [pid 5574] exit_group(0 [pid 5575] <... futex resumed>) = ? [pid 5574] <... exit_group resumed>) = ? [pid 5576] <... clone resumed>) = ? [pid 5575] +++ exited with 0 +++ [pid 5576] +++ exited with 0 +++ [pid 5574] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=558, si_uid=0, si_status=0, si_utime=20 /* 0.20 s */, si_stime=75 /* 0.75 s */} --- [pid 5000] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 562 ./strace-static-x86_64: Process 5578 attached [pid 5578] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5578] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5578] setpgid(0, 0) = 0 [pid 5578] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5578] write(3, "1000", 4) = 4 [pid 5578] close(3) = 0 [pid 5578] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5578] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5578] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5578] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[563], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 563 [pid 5578] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5578] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5579 attached [pid 5579] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5579] memfd_create("syzkaller", 0) = 3 [pid 5579] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5577] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=561, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=39 /* 0.39 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5579] 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"..., 67108864) = 67108864 [pid 5579] munmap(0x7f0f30428000, 67108864) = 0 [pid 5579] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5579] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5579] ioctl(4, LOOP_CLR_FD) = 0 [pid 5579] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5579] close(4) = 0 [pid 5579] close(3) = 0 [pid 5579] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5578] <... futex resumed>) = 0 [pid 5578] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5578] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5579] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5578] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5578] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5578] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5579] <... mmap resumed>) = 0x20000000 [pid 5578] <... mmap resumed>) = 0x7f0f34407000 [pid 5578] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE [pid 5579] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5578] <... mprotect resumed>) = 0 [pid 5578] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5579] <... futex resumed>) = 0 [pid 5578] <... clone resumed>, parent_tid=[564], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 564 [pid 5578] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5578] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5579] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5580 attached [pid 5580] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5580] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5581 attached [pid 5581] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5578] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5578] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5578] close(3) = -1 EBADF (Bad file descriptor) [pid 5578] close(4) = -1 EBADF (Bad file descriptor) [pid 5578] close(5) = -1 EBADF (Bad file descriptor) [pid 5578] close(6) = -1 EBADF (Bad file descriptor) [pid 5578] close(7) = -1 EBADF (Bad file descriptor) [pid 5578] close(8) = -1 EBADF (Bad file descriptor) [pid 5578] close(9) = -1 EBADF (Bad file descriptor) [pid 5578] close(10) = -1 EBADF (Bad file descriptor) [pid 5578] close(11) = -1 EBADF (Bad file descriptor) [pid 5578] close(12) = -1 EBADF (Bad file descriptor) [pid 5578] close(13) = -1 EBADF (Bad file descriptor) [pid 5578] close(14) = -1 EBADF (Bad file descriptor) [pid 5578] close(15) = -1 EBADF (Bad file descriptor) [pid 5578] close(16) = -1 EBADF (Bad file descriptor) [pid 5578] close(17) = -1 EBADF (Bad file descriptor) [pid 5578] close(18) = -1 EBADF (Bad file descriptor) [pid 5578] close(19) = -1 EBADF (Bad file descriptor) [pid 5578] close(20) = -1 EBADF (Bad file descriptor) [pid 5578] close(21) = -1 EBADF (Bad file descriptor) [pid 5578] close(22) = -1 EBADF (Bad file descriptor) [pid 5578] close(23) = -1 EBADF (Bad file descriptor) [pid 5578] close(24) = -1 EBADF (Bad file descriptor) [pid 5578] close(25) = -1 EBADF (Bad file descriptor) [pid 5578] close(26) = -1 EBADF (Bad file descriptor) [pid 5578] close(27) = -1 EBADF (Bad file descriptor) [pid 5578] close(28) = -1 EBADF (Bad file descriptor) [pid 5578] close(29) = -1 EBADF (Bad file descriptor) [pid 5578] exit_group(0 [pid 5580] <... clone resumed>) = ? [pid 5579] <... futex resumed>) = ? [pid 5578] <... exit_group resumed>) = ? [pid 5580] +++ exited with 0 +++ [pid 5579] +++ exited with 0 +++ [pid 5578] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=562, si_uid=0, si_status=0, si_utime=15 /* 0.15 s */, si_stime=78 /* 0.78 s */} --- [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 566 ./strace-static-x86_64: Process 5582 attached [pid 5582] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5582] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5582] setpgid(0, 0) = 0 [pid 5582] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5582] write(3, "1000", 4) = 4 [pid 5582] close(3) = 0 [pid 5582] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5582] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5582] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5582] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[567], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 567 [pid 5582] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5582] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5583 attached [pid 5583] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5583] memfd_create("syzkaller", 0) = 3 [pid 5583] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5581] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=565, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=33 /* 0.33 s */} --- [pid 5583] 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"..., 67108864) = 67108864 [pid 5583] munmap(0x7f0f30428000, 67108864) = 0 [pid 5583] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5583] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5583] ioctl(4, LOOP_CLR_FD) = 0 [pid 5583] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5583] close(4) = 0 [pid 5583] close(3) = 0 [pid 5583] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5582] <... futex resumed>) = 0 [pid 5582] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5582] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5583] <... futex resumed>) = 1 [pid 5583] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5582] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5582] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5582] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f34407000 [pid 5582] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5582] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[568], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 568 [pid 5582] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5582] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5583] <... mmap resumed>) = 0x20000000 [pid 5583] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5583] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5584 attached [pid 5584] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5584] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5585 attached [pid 5585] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5582] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5582] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5582] close(3) = -1 EBADF (Bad file descriptor) [pid 5582] close(4) = -1 EBADF (Bad file descriptor) [pid 5582] close(5) = -1 EBADF (Bad file descriptor) [pid 5582] close(6) = -1 EBADF (Bad file descriptor) [pid 5582] close(7) = -1 EBADF (Bad file descriptor) [pid 5582] close(8) = -1 EBADF (Bad file descriptor) [pid 5582] close(9) = -1 EBADF (Bad file descriptor) [pid 5582] close(10) = -1 EBADF (Bad file descriptor) [pid 5582] close(11) = -1 EBADF (Bad file descriptor) [pid 5582] close(12) = -1 EBADF (Bad file descriptor) [pid 5582] close(13) = -1 EBADF (Bad file descriptor) [pid 5582] close(14) = -1 EBADF (Bad file descriptor) [pid 5582] close(15) = -1 EBADF (Bad file descriptor) [pid 5582] close(16) = -1 EBADF (Bad file descriptor) [pid 5582] close(17) = -1 EBADF (Bad file descriptor) [pid 5582] close(18) = -1 EBADF (Bad file descriptor) [pid 5582] close(19) = -1 EBADF (Bad file descriptor) [pid 5582] close(20) = -1 EBADF (Bad file descriptor) [pid 5582] close(21) = -1 EBADF (Bad file descriptor) [pid 5582] close(22) = -1 EBADF (Bad file descriptor) [pid 5582] close(23) = -1 EBADF (Bad file descriptor) [pid 5582] close(24) = -1 EBADF (Bad file descriptor) [pid 5582] close(25) = -1 EBADF (Bad file descriptor) [pid 5582] close(26) = -1 EBADF (Bad file descriptor) [pid 5582] close(27) = -1 EBADF (Bad file descriptor) [pid 5582] close(28) = -1 EBADF (Bad file descriptor) [pid 5582] close(29) = -1 EBADF (Bad file descriptor) [pid 5582] exit_group(0 [pid 5584] <... clone resumed>) = ? [pid 5583] <... futex resumed>) = ? [pid 5582] <... exit_group resumed>) = ? [pid 5584] +++ exited with 0 +++ [pid 5583] +++ exited with 0 +++ [pid 5582] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=566, si_uid=0, si_status=0, si_utime=15 /* 0.15 s */, si_stime=76 /* 0.76 s */} --- [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 570 ./strace-static-x86_64: Process 5586 attached [pid 5586] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5586] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5586] setpgid(0, 0) = 0 [pid 5586] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5586] write(3, "1000", 4) = 4 [pid 5586] close(3) = 0 [pid 5586] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5586] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5586] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5586] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[571], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 571 [pid 5586] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5586] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5587 attached [pid 5587] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5587] memfd_create("syzkaller", 0) = 3 [pid 5587] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5587] 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"..., 67108864 [pid 5585] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=569, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=45 /* 0.45 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5587] <... write resumed>) = 67108864 [pid 5587] munmap(0x7f0f30428000, 67108864) = 0 [pid 5587] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5587] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5587] ioctl(4, LOOP_CLR_FD) = 0 [pid 5587] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5587] close(4) = 0 [pid 5587] close(3) = 0 [pid 5587] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5586] <... futex resumed>) = 0 [pid 5586] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5586] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5587] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5586] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5586] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5586] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5586] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5587] <... mmap resumed>) = 0x20000000 [pid 5586] <... mmap resumed>) = 0x7f0f34407000 [pid 5586] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE [pid 5587] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5586] <... mprotect resumed>) = 0 [pid 5586] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5587] <... futex resumed>) = 0 [pid 5586] <... clone resumed>, parent_tid=[572], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 572 [pid 5586] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5586] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5587] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5588 attached [pid 5588] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5588] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5589 attached [pid 5589] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5586] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5586] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5586] close(3) = -1 EBADF (Bad file descriptor) [pid 5586] close(4) = -1 EBADF (Bad file descriptor) [pid 5586] close(5) = -1 EBADF (Bad file descriptor) [pid 5586] close(6) = -1 EBADF (Bad file descriptor) [pid 5586] close(7) = -1 EBADF (Bad file descriptor) [pid 5586] close(8) = -1 EBADF (Bad file descriptor) [pid 5586] close(9) = -1 EBADF (Bad file descriptor) [pid 5586] close(10) = -1 EBADF (Bad file descriptor) [pid 5586] close(11) = -1 EBADF (Bad file descriptor) [pid 5586] close(12) = -1 EBADF (Bad file descriptor) [pid 5586] close(13) = -1 EBADF (Bad file descriptor) [pid 5586] close(14) = -1 EBADF (Bad file descriptor) [pid 5586] close(15) = -1 EBADF (Bad file descriptor) [pid 5586] close(16) = -1 EBADF (Bad file descriptor) [pid 5586] close(17) = -1 EBADF (Bad file descriptor) [pid 5586] close(18) = -1 EBADF (Bad file descriptor) [pid 5586] close(19) = -1 EBADF (Bad file descriptor) [pid 5586] close(20) = -1 EBADF (Bad file descriptor) [pid 5586] close(21) = -1 EBADF (Bad file descriptor) [pid 5586] close(22) = -1 EBADF (Bad file descriptor) [pid 5586] close(23) = -1 EBADF (Bad file descriptor) [pid 5586] close(24) = -1 EBADF (Bad file descriptor) [pid 5586] close(25) = -1 EBADF (Bad file descriptor) [pid 5586] close(26) = -1 EBADF (Bad file descriptor) [pid 5586] close(27) = -1 EBADF (Bad file descriptor) [pid 5586] close(28) = -1 EBADF (Bad file descriptor) [pid 5586] close(29) = -1 EBADF (Bad file descriptor) [pid 5586] exit_group(0 [pid 5588] <... clone resumed>) = ? [pid 5587] <... futex resumed>) = ? [pid 5586] <... exit_group resumed>) = ? [pid 5588] +++ exited with 0 +++ [pid 5587] +++ exited with 0 +++ [pid 5586] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=570, si_uid=0, si_status=0, si_utime=14 /* 0.14 s */, si_stime=75 /* 0.75 s */} --- [pid 5000] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 574 ./strace-static-x86_64: Process 5590 attached [pid 5590] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5590] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5590] setpgid(0, 0) = 0 [pid 5590] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5590] write(3, "1000", 4) = 4 [pid 5590] close(3) = 0 [pid 5590] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5590] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5590] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5590] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[575], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 575 [pid 5590] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5590] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5591 attached [pid 5591] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5591] memfd_create("syzkaller", 0) = 3 [pid 5591] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5591] 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"..., 67108864 [pid 5589] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=573, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=37 /* 0.37 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5591] <... write resumed>) = 67108864 [pid 5591] munmap(0x7f0f30428000, 67108864) = 0 [pid 5591] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5591] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5591] ioctl(4, LOOP_CLR_FD) = 0 [pid 5591] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5591] close(4) = 0 [pid 5591] close(3) = 0 [pid 5591] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5590] <... futex resumed>) = 0 [pid 5590] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5590] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5591] <... futex resumed>) = 1 [pid 5591] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5590] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5590] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5590] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5590] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5590] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f34407000 [pid 5590] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5590] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[576], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 576 [pid 5590] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5590] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5591] <... mmap resumed>) = 0x20000000 [pid 5591] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5591] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5592 attached [pid 5592] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5592] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5593 attached [pid 5593] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5590] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5590] close(3) = -1 EBADF (Bad file descriptor) [pid 5590] close(4) = -1 EBADF (Bad file descriptor) [pid 5590] close(5) = -1 EBADF (Bad file descriptor) [pid 5590] close(6) = -1 EBADF (Bad file descriptor) [pid 5590] close(7) = -1 EBADF (Bad file descriptor) [pid 5590] close(8) = -1 EBADF (Bad file descriptor) [pid 5590] close(9) = -1 EBADF (Bad file descriptor) [pid 5590] close(10) = -1 EBADF (Bad file descriptor) [pid 5590] close(11) = -1 EBADF (Bad file descriptor) [pid 5590] close(12) = -1 EBADF (Bad file descriptor) [pid 5590] close(13) = -1 EBADF (Bad file descriptor) [pid 5590] close(14) = -1 EBADF (Bad file descriptor) [pid 5590] close(15) = -1 EBADF (Bad file descriptor) [pid 5590] close(16) = -1 EBADF (Bad file descriptor) [pid 5590] close(17) = -1 EBADF (Bad file descriptor) [pid 5590] close(18) = -1 EBADF (Bad file descriptor) [pid 5590] close(19) = -1 EBADF (Bad file descriptor) [pid 5590] close(20) = -1 EBADF (Bad file descriptor) [pid 5590] close(21) = -1 EBADF (Bad file descriptor) [pid 5590] close(22) = -1 EBADF (Bad file descriptor) [pid 5590] close(23) = -1 EBADF (Bad file descriptor) [pid 5590] close(24) = -1 EBADF (Bad file descriptor) [pid 5590] close(25) = -1 EBADF (Bad file descriptor) [pid 5590] close(26) = -1 EBADF (Bad file descriptor) [pid 5590] close(27) = -1 EBADF (Bad file descriptor) [pid 5590] close(28) = -1 EBADF (Bad file descriptor) [pid 5590] close(29) = -1 EBADF (Bad file descriptor) [pid 5590] exit_group(0 [pid 5592] <... clone resumed>) = ? [pid 5591] <... futex resumed>) = ? [pid 5590] <... exit_group resumed>) = ? [pid 5592] +++ exited with 0 +++ [pid 5591] +++ exited with 0 +++ [pid 5590] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=574, si_uid=0, si_status=0, si_utime=17 /* 0.17 s */, si_stime=74 /* 0.74 s */} --- [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 578 ./strace-static-x86_64: Process 5594 attached [pid 5594] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5594] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5594] setpgid(0, 0) = 0 [pid 5594] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5594] write(3, "1000", 4) = 4 [pid 5594] close(3) = 0 [pid 5594] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5594] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5594] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5594] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[579], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 579 [pid 5594] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5594] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5595 attached [pid 5595] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5595] memfd_create("syzkaller", 0) = 3 [pid 5595] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5595] 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"..., 67108864 [pid 5593] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=577, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=39 /* 0.39 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5595] <... write resumed>) = 67108864 [pid 5595] munmap(0x7f0f30428000, 67108864) = 0 [pid 5595] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5595] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5595] ioctl(4, LOOP_CLR_FD) = 0 [pid 5595] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5595] close(4) = 0 [pid 5595] close(3) = 0 [pid 5595] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5594] <... futex resumed>) = 0 [pid 5594] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5594] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5595] <... futex resumed>) = 1 [pid 5595] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5594] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5594] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5594] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5594] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f34407000 [pid 5594] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5594] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[580], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 580 [pid 5594] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5594] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5595] <... mmap resumed>) = 0x20000000 [pid 5595] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5595] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5596 attached [pid 5596] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5596] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5597 attached [pid 5597] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5594] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5594] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5594] close(3) = -1 EBADF (Bad file descriptor) [pid 5594] close(4) = -1 EBADF (Bad file descriptor) [pid 5594] close(5) = -1 EBADF (Bad file descriptor) [pid 5594] close(6) = -1 EBADF (Bad file descriptor) [pid 5594] close(7) = -1 EBADF (Bad file descriptor) [pid 5594] close(8) = -1 EBADF (Bad file descriptor) [pid 5594] close(9) = -1 EBADF (Bad file descriptor) [pid 5594] close(10) = -1 EBADF (Bad file descriptor) [pid 5594] close(11) = -1 EBADF (Bad file descriptor) [pid 5594] close(12) = -1 EBADF (Bad file descriptor) [pid 5594] close(13) = -1 EBADF (Bad file descriptor) [pid 5594] close(14) = -1 EBADF (Bad file descriptor) [pid 5594] close(15) = -1 EBADF (Bad file descriptor) [pid 5594] close(16) = -1 EBADF (Bad file descriptor) [pid 5594] close(17) = -1 EBADF (Bad file descriptor) [pid 5594] close(18) = -1 EBADF (Bad file descriptor) [pid 5594] close(19) = -1 EBADF (Bad file descriptor) [pid 5594] close(20) = -1 EBADF (Bad file descriptor) [pid 5594] close(21) = -1 EBADF (Bad file descriptor) [pid 5594] close(22) = -1 EBADF (Bad file descriptor) [pid 5594] close(23) = -1 EBADF (Bad file descriptor) [pid 5594] close(24) = -1 EBADF (Bad file descriptor) [pid 5594] close(25) = -1 EBADF (Bad file descriptor) [pid 5594] close(26) = -1 EBADF (Bad file descriptor) [pid 5594] close(27) = -1 EBADF (Bad file descriptor) [pid 5594] close(28) = -1 EBADF (Bad file descriptor) [pid 5594] close(29) = -1 EBADF (Bad file descriptor) [pid 5594] exit_group(0 [pid 5596] <... clone resumed>) = ? [pid 5595] <... futex resumed>) = ? [pid 5594] <... exit_group resumed>) = ? [pid 5596] +++ exited with 0 +++ [pid 5595] +++ exited with 0 +++ [pid 5594] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=578, si_uid=0, si_status=0, si_utime=13 /* 0.13 s */, si_stime=79 /* 0.79 s */} --- [pid 5000] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 582 ./strace-static-x86_64: Process 5598 attached [pid 5598] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5598] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5598] setpgid(0, 0) = 0 [pid 5598] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5598] write(3, "1000", 4) = 4 [pid 5598] close(3) = 0 [pid 5598] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5598] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5598] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5598] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[583], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 583 [pid 5598] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5598] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5599 attached [pid 5599] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5599] memfd_create("syzkaller", 0) = 3 [pid 5599] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5597] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=581, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=36 /* 0.36 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5599] 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"..., 67108864) = 67108864 [pid 5599] munmap(0x7f0f30428000, 67108864) = 0 [pid 5599] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5599] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5599] ioctl(4, LOOP_CLR_FD) = 0 [pid 5599] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5599] close(4) = 0 [pid 5599] close(3) = 0 [pid 5599] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5599] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5598] <... futex resumed>) = 0 [pid 5598] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5599] <... futex resumed>) = 0 [pid 5599] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5598] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5598] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5598] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5599] <... mmap resumed>) = 0x20000000 [pid 5599] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5599] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5598] <... mmap resumed>) = 0x7f0f34407000 [pid 5598] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5598] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[584], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 584 [pid 5598] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5598] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5600 attached [pid 5600] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5600] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5601 attached [pid 5601] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5598] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5598] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5598] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5598] close(3) = -1 EBADF (Bad file descriptor) [pid 5598] close(4) = -1 EBADF (Bad file descriptor) [pid 5598] close(5) = -1 EBADF (Bad file descriptor) [pid 5598] close(6) = -1 EBADF (Bad file descriptor) [pid 5598] close(7) = -1 EBADF (Bad file descriptor) [pid 5598] close(8) = -1 EBADF (Bad file descriptor) [pid 5598] close(9) = -1 EBADF (Bad file descriptor) [pid 5598] close(10) = -1 EBADF (Bad file descriptor) [pid 5598] close(11) = -1 EBADF (Bad file descriptor) [pid 5598] close(12) = -1 EBADF (Bad file descriptor) [pid 5598] close(13) = -1 EBADF (Bad file descriptor) [pid 5598] close(14) = -1 EBADF (Bad file descriptor) [pid 5598] close(15) = -1 EBADF (Bad file descriptor) [pid 5598] close(16) = -1 EBADF (Bad file descriptor) [pid 5598] close(17) = -1 EBADF (Bad file descriptor) [pid 5598] close(18) = -1 EBADF (Bad file descriptor) [pid 5598] close(19) = -1 EBADF (Bad file descriptor) [pid 5598] close(20) = -1 EBADF (Bad file descriptor) [pid 5598] close(21) = -1 EBADF (Bad file descriptor) [pid 5598] close(22) = -1 EBADF (Bad file descriptor) [pid 5598] close(23) = -1 EBADF (Bad file descriptor) [pid 5598] close(24) = -1 EBADF (Bad file descriptor) [pid 5598] close(25) = -1 EBADF (Bad file descriptor) [pid 5598] close(26) = -1 EBADF (Bad file descriptor) [pid 5598] close(27) = -1 EBADF (Bad file descriptor) [pid 5598] close(28) = -1 EBADF (Bad file descriptor) [pid 5598] close(29) = -1 EBADF (Bad file descriptor) [pid 5598] exit_group(0 [pid 5600] <... clone resumed>) = ? [pid 5598] <... exit_group resumed>) = ? [pid 5600] +++ exited with 0 +++ [pid 5599] <... futex resumed>) = ? [pid 5599] +++ exited with 0 +++ [pid 5598] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=582, si_uid=0, si_status=0, si_utime=13 /* 0.13 s */, si_stime=77 /* 0.77 s */} --- [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 586 ./strace-static-x86_64: Process 5602 attached [pid 5602] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5602] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5602] setpgid(0, 0) = 0 [pid 5602] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5602] write(3, "1000", 4) = 4 [pid 5602] close(3) = 0 [pid 5602] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5602] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5602] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5602] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[587], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 587 [pid 5602] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5602] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5603 attached [pid 5603] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5603] memfd_create("syzkaller", 0) = 3 [pid 5603] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5601] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=585, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=37 /* 0.37 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5603] 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"..., 67108864) = 67108864 [pid 5603] munmap(0x7f0f30428000, 67108864) = 0 [pid 5603] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5603] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5603] ioctl(4, LOOP_CLR_FD) = 0 [pid 5603] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5603] close(4) = 0 [pid 5603] close(3) = 0 [pid 5603] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5602] <... futex resumed>) = 0 [pid 5602] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5602] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5603] <... futex resumed>) = 1 [pid 5603] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5602] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5602] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5602] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f34407000 [pid 5602] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5602] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[588], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 588 [pid 5602] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5602] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5603] <... mmap resumed>) = 0x20000000 [pid 5603] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5603] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5604 attached [pid 5604] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5604] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5605 attached [pid 5605] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5602] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5602] close(3) = -1 EBADF (Bad file descriptor) [pid 5602] close(4) = -1 EBADF (Bad file descriptor) [pid 5602] close(5) = -1 EBADF (Bad file descriptor) [pid 5602] close(6) = -1 EBADF (Bad file descriptor) [pid 5602] close(7) = -1 EBADF (Bad file descriptor) [pid 5602] close(8) = -1 EBADF (Bad file descriptor) [pid 5602] close(9) = -1 EBADF (Bad file descriptor) [pid 5602] close(10) = -1 EBADF (Bad file descriptor) [pid 5602] close(11) = -1 EBADF (Bad file descriptor) [pid 5602] close(12) = -1 EBADF (Bad file descriptor) [pid 5602] close(13) = -1 EBADF (Bad file descriptor) [pid 5602] close(14) = -1 EBADF (Bad file descriptor) [pid 5602] close(15) = -1 EBADF (Bad file descriptor) [pid 5602] close(16) = -1 EBADF (Bad file descriptor) [pid 5602] close(17) = -1 EBADF (Bad file descriptor) [pid 5602] close(18) = -1 EBADF (Bad file descriptor) [pid 5602] close(19) = -1 EBADF (Bad file descriptor) [pid 5602] close(20) = -1 EBADF (Bad file descriptor) [pid 5602] close(21) = -1 EBADF (Bad file descriptor) [pid 5602] close(22) = -1 EBADF (Bad file descriptor) [pid 5602] close(23) = -1 EBADF (Bad file descriptor) [pid 5602] close(24) = -1 EBADF (Bad file descriptor) [pid 5602] close(25) = -1 EBADF (Bad file descriptor) [pid 5602] close(26) = -1 EBADF (Bad file descriptor) [pid 5602] close(27) = -1 EBADF (Bad file descriptor) [pid 5602] close(28) = -1 EBADF (Bad file descriptor) [pid 5602] close(29) = -1 EBADF (Bad file descriptor) [pid 5602] exit_group(0 [pid 5604] <... clone resumed>) = ? [pid 5603] <... futex resumed>) = ? [pid 5602] <... exit_group resumed>) = ? [pid 5604] +++ exited with 0 +++ [pid 5603] +++ exited with 0 +++ [pid 5602] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=586, si_uid=0, si_status=0, si_utime=16 /* 0.16 s */, si_stime=79 /* 0.79 s */} --- [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 590 ./strace-static-x86_64: Process 5606 attached [pid 5606] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5606] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5606] setpgid(0, 0) = 0 [pid 5606] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5606] write(3, "1000", 4) = 4 [pid 5606] close(3) = 0 [pid 5606] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5606] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5606] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5606] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[591], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 591 [pid 5606] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5606] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5607 attached [pid 5607] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5607] memfd_create("syzkaller", 0) = 3 [pid 5607] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5605] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=589, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=38 /* 0.38 s */} --- [pid 5607] 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"..., 67108864) = 67108864 [pid 5607] munmap(0x7f0f30428000, 67108864) = 0 [pid 5607] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5607] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5607] ioctl(4, LOOP_CLR_FD) = 0 [pid 5607] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5607] close(4) = 0 [pid 5607] close(3) = 0 [pid 5607] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5606] <... futex resumed>) = 0 [pid 5606] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5606] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5607] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5606] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5606] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5606] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5607] <... mmap resumed>) = 0x20000000 [pid 5606] <... mmap resumed>) = 0x7f0f34407000 [pid 5606] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5606] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5607] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5606] <... clone resumed>, parent_tid=[592], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 592 [pid 5606] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5606] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5607] <... futex resumed>) = 0 [pid 5607] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5608 attached [pid 5608] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5608] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5609 attached [pid 5609] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5606] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5606] close(3) = -1 EBADF (Bad file descriptor) [pid 5606] close(4) = -1 EBADF (Bad file descriptor) [pid 5606] close(5) = -1 EBADF (Bad file descriptor) [pid 5606] close(6) = -1 EBADF (Bad file descriptor) [pid 5606] close(7) = -1 EBADF (Bad file descriptor) [pid 5606] close(8) = -1 EBADF (Bad file descriptor) [pid 5606] close(9) = -1 EBADF (Bad file descriptor) [pid 5606] close(10) = -1 EBADF (Bad file descriptor) [pid 5606] close(11) = -1 EBADF (Bad file descriptor) [pid 5606] close(12) = -1 EBADF (Bad file descriptor) [pid 5606] close(13) = -1 EBADF (Bad file descriptor) [pid 5606] close(14) = -1 EBADF (Bad file descriptor) [pid 5606] close(15) = -1 EBADF (Bad file descriptor) [pid 5606] close(16) = -1 EBADF (Bad file descriptor) [pid 5606] close(17) = -1 EBADF (Bad file descriptor) [pid 5606] close(18) = -1 EBADF (Bad file descriptor) [pid 5606] close(19) = -1 EBADF (Bad file descriptor) [pid 5606] close(20) = -1 EBADF (Bad file descriptor) [pid 5606] close(21) = -1 EBADF (Bad file descriptor) [pid 5606] close(22) = -1 EBADF (Bad file descriptor) [pid 5606] close(23) = -1 EBADF (Bad file descriptor) [pid 5606] close(24) = -1 EBADF (Bad file descriptor) [pid 5606] close(25) = -1 EBADF (Bad file descriptor) [pid 5606] close(26) = -1 EBADF (Bad file descriptor) [pid 5606] close(27) = -1 EBADF (Bad file descriptor) [pid 5606] close(28) = -1 EBADF (Bad file descriptor) [pid 5606] close(29) = -1 EBADF (Bad file descriptor) [pid 5606] exit_group(0 [pid 5608] <... clone resumed>) = ? [pid 5607] <... futex resumed>) = ? [pid 5606] <... exit_group resumed>) = ? [pid 5608] +++ exited with 0 +++ [pid 5607] +++ exited with 0 +++ [pid 5606] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=590, si_uid=0, si_status=0, si_utime=14 /* 0.14 s */, si_stime=82 /* 0.82 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 594 ./strace-static-x86_64: Process 5610 attached [pid 5610] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5610] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5610] setpgid(0, 0) = 0 [pid 5610] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5610] write(3, "1000", 4) = 4 [pid 5610] close(3) = 0 [pid 5610] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5610] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5610] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5610] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[595], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 595 [pid 5610] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5610] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5611 attached [pid 5611] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5611] memfd_create("syzkaller", 0) = 3 [pid 5611] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5609] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=593, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=42 /* 0.42 s */} --- [pid 5611] 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"..., 67108864) = 67108864 [pid 5611] munmap(0x7f0f30428000, 67108864) = 0 [pid 5611] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5611] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5611] ioctl(4, LOOP_CLR_FD) = 0 [pid 5611] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5611] close(4) = 0 [pid 5611] close(3) = 0 [pid 5611] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5610] <... futex resumed>) = 0 [pid 5610] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5610] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5611] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5610] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5610] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5610] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5610] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5611] <... mmap resumed>) = 0x20000000 [pid 5610] <... mmap resumed>) = 0x7f0f34407000 [pid 5610] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5610] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[596], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 596 [pid 5610] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5610] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5611] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5611] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5612 attached [pid 5612] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5612] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5613 attached [pid 5613] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5610] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5610] close(3) = -1 EBADF (Bad file descriptor) [pid 5610] close(4) = -1 EBADF (Bad file descriptor) [pid 5610] close(5) = -1 EBADF (Bad file descriptor) [pid 5610] close(6) = -1 EBADF (Bad file descriptor) [pid 5610] close(7) = -1 EBADF (Bad file descriptor) [pid 5610] close(8) = -1 EBADF (Bad file descriptor) [pid 5610] close(9) = -1 EBADF (Bad file descriptor) [pid 5610] close(10) = -1 EBADF (Bad file descriptor) [pid 5610] close(11) = -1 EBADF (Bad file descriptor) [pid 5610] close(12) = -1 EBADF (Bad file descriptor) [pid 5610] close(13) = -1 EBADF (Bad file descriptor) [pid 5610] close(14) = -1 EBADF (Bad file descriptor) [pid 5610] close(15) = -1 EBADF (Bad file descriptor) [pid 5610] close(16) = -1 EBADF (Bad file descriptor) [pid 5610] close(17) = -1 EBADF (Bad file descriptor) [pid 5610] close(18) = -1 EBADF (Bad file descriptor) [pid 5610] close(19) = -1 EBADF (Bad file descriptor) [pid 5610] close(20) = -1 EBADF (Bad file descriptor) [pid 5610] close(21) = -1 EBADF (Bad file descriptor) [pid 5610] close(22) = -1 EBADF (Bad file descriptor) [pid 5610] close(23) = -1 EBADF (Bad file descriptor) [pid 5610] close(24) = -1 EBADF (Bad file descriptor) [pid 5610] close(25) = -1 EBADF (Bad file descriptor) [pid 5610] close(26) = -1 EBADF (Bad file descriptor) [pid 5610] close(27) = -1 EBADF (Bad file descriptor) [pid 5610] close(28) = -1 EBADF (Bad file descriptor) [pid 5610] close(29) = -1 EBADF (Bad file descriptor) [pid 5610] exit_group(0 [pid 5612] <... clone resumed>) = ? [pid 5611] <... futex resumed>) = ? [pid 5610] <... exit_group resumed>) = ? [pid 5612] +++ exited with 0 +++ [pid 5611] +++ exited with 0 +++ [pid 5610] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=594, si_uid=0, si_status=0, si_utime=14 /* 0.14 s */, si_stime=78 /* 0.78 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 598 ./strace-static-x86_64: Process 5614 attached [pid 5614] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5614] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5614] setpgid(0, 0) = 0 [pid 5614] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5614] write(3, "1000", 4) = 4 [pid 5614] close(3) = 0 [pid 5614] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5614] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5614] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5614] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[599], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 599 [pid 5614] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5614] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5615 attached [pid 5615] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5615] memfd_create("syzkaller", 0) = 3 [pid 5615] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5613] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=597, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=32 /* 0.32 s */} --- [pid 5615] 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"..., 67108864) = 67108864 [pid 5615] munmap(0x7f0f30428000, 67108864) = 0 [pid 5615] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5615] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5615] ioctl(4, LOOP_CLR_FD) = 0 [pid 5615] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5615] close(4) = 0 [pid 5615] close(3) = 0 [pid 5615] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5614] <... futex resumed>) = 0 [pid 5614] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5614] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5615] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5614] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5614] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5614] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5614] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5615] <... mmap resumed>) = 0x20000000 [pid 5614] <... mmap resumed>) = 0x7f0f34407000 [pid 5614] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5614] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[600], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 600 [pid 5614] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5614] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5615] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5615] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5616 attached [pid 5616] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5616] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5617 attached [pid 5617] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5614] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5614] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5614] close(3) = -1 EBADF (Bad file descriptor) [pid 5614] close(4) = -1 EBADF (Bad file descriptor) [pid 5614] close(5) = -1 EBADF (Bad file descriptor) [pid 5614] close(6) = -1 EBADF (Bad file descriptor) [pid 5614] close(7) = -1 EBADF (Bad file descriptor) [pid 5614] close(8) = -1 EBADF (Bad file descriptor) [pid 5614] close(9) = -1 EBADF (Bad file descriptor) [pid 5614] close(10) = -1 EBADF (Bad file descriptor) [pid 5614] close(11) = -1 EBADF (Bad file descriptor) [pid 5614] close(12) = -1 EBADF (Bad file descriptor) [pid 5614] close(13) = -1 EBADF (Bad file descriptor) [pid 5614] close(14) = -1 EBADF (Bad file descriptor) [pid 5614] close(15) = -1 EBADF (Bad file descriptor) [pid 5614] close(16) = -1 EBADF (Bad file descriptor) [pid 5614] close(17) = -1 EBADF (Bad file descriptor) [pid 5614] close(18) = -1 EBADF (Bad file descriptor) [pid 5614] close(19) = -1 EBADF (Bad file descriptor) [pid 5614] close(20) = -1 EBADF (Bad file descriptor) [pid 5614] close(21) = -1 EBADF (Bad file descriptor) [pid 5614] close(22) = -1 EBADF (Bad file descriptor) [pid 5614] close(23) = -1 EBADF (Bad file descriptor) [pid 5614] close(24) = -1 EBADF (Bad file descriptor) [pid 5614] close(25) = -1 EBADF (Bad file descriptor) [pid 5614] close(26) = -1 EBADF (Bad file descriptor) [pid 5614] close(27) = -1 EBADF (Bad file descriptor) [pid 5614] close(28) = -1 EBADF (Bad file descriptor) [pid 5614] close(29) = -1 EBADF (Bad file descriptor) [pid 5614] exit_group(0 [pid 5616] <... clone resumed>) = ? [pid 5615] <... futex resumed>) = ? [pid 5614] <... exit_group resumed>) = ? [pid 5616] +++ exited with 0 +++ [pid 5615] +++ exited with 0 +++ [pid 5614] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=598, si_uid=0, si_status=0, si_utime=19 /* 0.19 s */, si_stime=75 /* 0.75 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 602 ./strace-static-x86_64: Process 5618 attached [pid 5618] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5618] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5618] setpgid(0, 0) = 0 [pid 5618] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5618] write(3, "1000", 4) = 4 [pid 5618] close(3) = 0 [pid 5618] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5618] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5618] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5618] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[603], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 603 [pid 5618] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5618] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5619 attached [pid 5619] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5619] memfd_create("syzkaller", 0) = 3 [pid 5619] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5617] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=601, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=38 /* 0.38 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5619] 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"..., 67108864) = 67108864 [pid 5619] munmap(0x7f0f30428000, 67108864) = 0 [pid 5619] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5619] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5619] ioctl(4, LOOP_CLR_FD) = 0 [pid 5619] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5619] close(4) = 0 [pid 5619] close(3) = 0 [pid 5619] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5618] <... futex resumed>) = 0 [pid 5618] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5618] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5619] <... futex resumed>) = 1 [pid 5619] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5618] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5618] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5618] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5618] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f34407000 [pid 5618] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5618] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[604], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 604 [pid 5618] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5618] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5619] <... mmap resumed>) = 0x20000000 [pid 5619] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5619] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5620 attached [pid 5620] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5620] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5621 attached [pid 5621] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5618] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5618] close(3) = -1 EBADF (Bad file descriptor) [pid 5618] close(4) = -1 EBADF (Bad file descriptor) [pid 5618] close(5) = -1 EBADF (Bad file descriptor) [pid 5618] close(6) = -1 EBADF (Bad file descriptor) [pid 5618] close(7) = -1 EBADF (Bad file descriptor) [pid 5618] close(8) = -1 EBADF (Bad file descriptor) [pid 5618] close(9) = -1 EBADF (Bad file descriptor) [pid 5618] close(10) = -1 EBADF (Bad file descriptor) [pid 5618] close(11) = -1 EBADF (Bad file descriptor) [pid 5618] close(12) = -1 EBADF (Bad file descriptor) [pid 5618] close(13) = -1 EBADF (Bad file descriptor) [pid 5618] close(14) = -1 EBADF (Bad file descriptor) [pid 5618] close(15) = -1 EBADF (Bad file descriptor) [pid 5618] close(16) = -1 EBADF (Bad file descriptor) [pid 5618] close(17) = -1 EBADF (Bad file descriptor) [pid 5618] close(18) = -1 EBADF (Bad file descriptor) [pid 5618] close(19) = -1 EBADF (Bad file descriptor) [pid 5618] close(20) = -1 EBADF (Bad file descriptor) [pid 5618] close(21) = -1 EBADF (Bad file descriptor) [pid 5618] close(22) = -1 EBADF (Bad file descriptor) [pid 5618] close(23) = -1 EBADF (Bad file descriptor) [pid 5618] close(24) = -1 EBADF (Bad file descriptor) [pid 5618] close(25) = -1 EBADF (Bad file descriptor) [pid 5618] close(26) = -1 EBADF (Bad file descriptor) [pid 5618] close(27) = -1 EBADF (Bad file descriptor) [pid 5618] close(28) = -1 EBADF (Bad file descriptor) [pid 5618] close(29) = -1 EBADF (Bad file descriptor) [pid 5618] exit_group(0 [pid 5620] <... clone resumed>) = ? [pid 5619] <... futex resumed>) = ? [pid 5618] <... exit_group resumed>) = ? [pid 5620] +++ exited with 0 +++ [pid 5619] +++ exited with 0 +++ [pid 5618] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=602, si_uid=0, si_status=0, si_utime=13 /* 0.13 s */, si_stime=73 /* 0.73 s */} --- [pid 5000] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 606 ./strace-static-x86_64: Process 5622 attached [pid 5622] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5622] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5622] setpgid(0, 0) = 0 [pid 5622] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5622] write(3, "1000", 4) = 4 [pid 5622] close(3) = 0 [pid 5622] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5622] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5622] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5622] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[607], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 607 [pid 5622] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5622] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5623 attached [pid 5623] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5623] memfd_create("syzkaller", 0) = 3 [pid 5623] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5623] 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"..., 67108864 [pid 5621] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=605, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=40 /* 0.40 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5623] <... write resumed>) = 67108864 [pid 5623] munmap(0x7f0f30428000, 67108864) = 0 [pid 5623] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5623] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5623] ioctl(4, LOOP_CLR_FD) = 0 [pid 5623] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5623] close(4) = 0 [pid 5623] close(3) = 0 [pid 5623] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5622] <... futex resumed>) = 0 [pid 5622] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5622] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5623] <... futex resumed>) = 1 [pid 5623] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5622] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5622] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5622] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f34407000 [pid 5622] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5622] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[608], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 608 [pid 5622] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5622] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5623] <... mmap resumed>) = 0x20000000 [pid 5623] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5623] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5624 attached [pid 5624] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5624] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5625 attached [pid 5625] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5622] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5622] close(3) = -1 EBADF (Bad file descriptor) [pid 5622] close(4) = -1 EBADF (Bad file descriptor) [pid 5622] close(5) = -1 EBADF (Bad file descriptor) [pid 5622] close(6) = -1 EBADF (Bad file descriptor) [pid 5622] close(7) = -1 EBADF (Bad file descriptor) [pid 5622] close(8) = -1 EBADF (Bad file descriptor) [pid 5622] close(9) = -1 EBADF (Bad file descriptor) [pid 5622] close(10) = -1 EBADF (Bad file descriptor) [pid 5622] close(11) = -1 EBADF (Bad file descriptor) [pid 5622] close(12) = -1 EBADF (Bad file descriptor) [pid 5622] close(13) = -1 EBADF (Bad file descriptor) [pid 5622] close(14) = -1 EBADF (Bad file descriptor) [pid 5622] close(15) = -1 EBADF (Bad file descriptor) [pid 5622] close(16) = -1 EBADF (Bad file descriptor) [pid 5622] close(17) = -1 EBADF (Bad file descriptor) [pid 5622] close(18) = -1 EBADF (Bad file descriptor) [pid 5622] close(19) = -1 EBADF (Bad file descriptor) [pid 5622] close(20) = -1 EBADF (Bad file descriptor) [pid 5622] close(21) = -1 EBADF (Bad file descriptor) [pid 5622] close(22) = -1 EBADF (Bad file descriptor) [pid 5622] close(23) = -1 EBADF (Bad file descriptor) [pid 5622] close(24) = -1 EBADF (Bad file descriptor) [pid 5622] close(25) = -1 EBADF (Bad file descriptor) [pid 5622] close(26) = -1 EBADF (Bad file descriptor) [pid 5622] close(27) = -1 EBADF (Bad file descriptor) [pid 5622] close(28) = -1 EBADF (Bad file descriptor) [pid 5622] close(29) = -1 EBADF (Bad file descriptor) [pid 5622] exit_group(0 [pid 5624] <... clone resumed>) = ? [pid 5623] <... futex resumed>) = ? [pid 5622] <... exit_group resumed>) = ? [pid 5624] +++ exited with 0 +++ [pid 5623] +++ exited with 0 +++ [pid 5622] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=606, si_uid=0, si_status=0, si_utime=12 /* 0.12 s */, si_stime=78 /* 0.78 s */} --- [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 610 ./strace-static-x86_64: Process 5626 attached [pid 5626] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5626] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5626] setpgid(0, 0) = 0 [pid 5626] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5626] write(3, "1000", 4) = 4 [pid 5626] close(3) = 0 [pid 5626] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5626] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5626] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5626] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[611], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 611 [pid 5626] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5626] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5627 attached [pid 5627] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5627] memfd_create("syzkaller", 0) = 3 [pid 5627] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5625] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=609, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=39 /* 0.39 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5627] 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"..., 67108864) = 67108864 [pid 5627] munmap(0x7f0f30428000, 67108864) = 0 [pid 5627] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5627] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5627] ioctl(4, LOOP_CLR_FD) = 0 [pid 5627] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5627] close(4) = 0 [pid 5627] close(3) = 0 [pid 5627] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5626] <... futex resumed>) = 0 [pid 5626] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5626] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5627] <... futex resumed>) = 1 [pid 5627] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5626] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5626] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5626] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f34407000 [pid 5626] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5626] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[612], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 612 [pid 5626] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5626] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5627] <... mmap resumed>) = 0x20000000 [pid 5627] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5627] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5628 attached [pid 5628] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5628] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5629 attached [pid 5629] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5626] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5626] close(3) = -1 EBADF (Bad file descriptor) [pid 5626] close(4) = -1 EBADF (Bad file descriptor) [pid 5626] close(5) = -1 EBADF (Bad file descriptor) [pid 5626] close(6) = -1 EBADF (Bad file descriptor) [pid 5626] close(7) = -1 EBADF (Bad file descriptor) [pid 5626] close(8) = -1 EBADF (Bad file descriptor) [pid 5626] close(9) = -1 EBADF (Bad file descriptor) [pid 5626] close(10) = -1 EBADF (Bad file descriptor) [pid 5626] close(11) = -1 EBADF (Bad file descriptor) [pid 5626] close(12) = -1 EBADF (Bad file descriptor) [pid 5626] close(13) = -1 EBADF (Bad file descriptor) [pid 5626] close(14) = -1 EBADF (Bad file descriptor) [pid 5626] close(15) = -1 EBADF (Bad file descriptor) [pid 5626] close(16) = -1 EBADF (Bad file descriptor) [pid 5626] close(17) = -1 EBADF (Bad file descriptor) [pid 5626] close(18) = -1 EBADF (Bad file descriptor) [pid 5626] close(19) = -1 EBADF (Bad file descriptor) [pid 5626] close(20) = -1 EBADF (Bad file descriptor) [pid 5626] close(21) = -1 EBADF (Bad file descriptor) [pid 5626] close(22) = -1 EBADF (Bad file descriptor) [pid 5626] close(23) = -1 EBADF (Bad file descriptor) [pid 5626] close(24) = -1 EBADF (Bad file descriptor) [pid 5626] close(25) = -1 EBADF (Bad file descriptor) [pid 5626] close(26) = -1 EBADF (Bad file descriptor) [pid 5626] close(27) = -1 EBADF (Bad file descriptor) [pid 5626] close(28) = -1 EBADF (Bad file descriptor) [pid 5626] close(29) = -1 EBADF (Bad file descriptor) [pid 5626] exit_group(0 [pid 5628] <... clone resumed>) = ? [pid 5627] <... futex resumed>) = ? [pid 5626] <... exit_group resumed>) = ? [pid 5628] +++ exited with 0 +++ [pid 5627] +++ exited with 0 +++ [pid 5626] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=610, si_uid=0, si_status=0, si_utime=15 /* 0.15 s */, si_stime=74 /* 0.74 s */} --- [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 614 ./strace-static-x86_64: Process 5630 attached [pid 5630] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5630] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5630] setpgid(0, 0) = 0 [pid 5630] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5630] write(3, "1000", 4) = 4 [pid 5630] close(3) = 0 [pid 5630] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5630] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5630] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5630] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[615], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 615 [pid 5630] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5630] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5631 attached [pid 5631] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5631] memfd_create("syzkaller", 0) = 3 [pid 5631] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5629] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=613, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=40 /* 0.40 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5631] 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"..., 67108864) = 67108864 [pid 5631] munmap(0x7f0f30428000, 67108864) = 0 [pid 5631] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5631] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5631] ioctl(4, LOOP_CLR_FD) = 0 [pid 5631] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5631] close(4) = 0 [pid 5631] close(3) = 0 [pid 5631] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5630] <... futex resumed>) = 0 [pid 5630] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5630] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5631] <... futex resumed>) = 1 [pid 5631] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5630] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5630] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5630] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f34407000 [pid 5630] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5630] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[616], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 616 [pid 5630] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5630] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5631] <... mmap resumed>) = 0x20000000 [pid 5631] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5631] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5632 attached [pid 5632] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5632] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5633 attached [pid 5633] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5630] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5630] close(3) = -1 EBADF (Bad file descriptor) [pid 5630] close(4) = -1 EBADF (Bad file descriptor) [pid 5630] close(5) = -1 EBADF (Bad file descriptor) [pid 5630] close(6) = -1 EBADF (Bad file descriptor) [pid 5630] close(7) = -1 EBADF (Bad file descriptor) [pid 5630] close(8) = -1 EBADF (Bad file descriptor) [pid 5630] close(9) = -1 EBADF (Bad file descriptor) [pid 5630] close(10) = -1 EBADF (Bad file descriptor) [pid 5630] close(11) = -1 EBADF (Bad file descriptor) [pid 5630] close(12) = -1 EBADF (Bad file descriptor) [pid 5630] close(13) = -1 EBADF (Bad file descriptor) [pid 5630] close(14) = -1 EBADF (Bad file descriptor) [pid 5630] close(15) = -1 EBADF (Bad file descriptor) [pid 5630] close(16) = -1 EBADF (Bad file descriptor) [pid 5630] close(17) = -1 EBADF (Bad file descriptor) [pid 5630] close(18) = -1 EBADF (Bad file descriptor) [pid 5630] close(19) = -1 EBADF (Bad file descriptor) [pid 5630] close(20) = -1 EBADF (Bad file descriptor) [pid 5630] close(21) = -1 EBADF (Bad file descriptor) [pid 5630] close(22) = -1 EBADF (Bad file descriptor) [pid 5630] close(23) = -1 EBADF (Bad file descriptor) [pid 5630] close(24) = -1 EBADF (Bad file descriptor) [pid 5630] close(25) = -1 EBADF (Bad file descriptor) [pid 5630] close(26) = -1 EBADF (Bad file descriptor) [pid 5630] close(27) = -1 EBADF (Bad file descriptor) [pid 5630] close(28) = -1 EBADF (Bad file descriptor) [pid 5630] close(29) = -1 EBADF (Bad file descriptor) [pid 5630] exit_group(0 [pid 5632] <... clone resumed>) = ? [pid 5631] <... futex resumed>) = ? [pid 5630] <... exit_group resumed>) = ? [pid 5632] +++ exited with 0 +++ [pid 5631] +++ exited with 0 +++ [pid 5630] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=614, si_uid=0, si_status=0, si_utime=17 /* 0.17 s */, si_stime=69 /* 0.69 s */} --- [pid 5000] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 618 ./strace-static-x86_64: Process 5634 attached [pid 5634] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5634] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5634] setpgid(0, 0) = 0 [pid 5634] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5634] write(3, "1000", 4) = 4 [pid 5634] close(3) = 0 [pid 5634] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5634] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5634] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5634] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[619], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 619 [pid 5634] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5634] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5635 attached [pid 5635] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5635] memfd_create("syzkaller", 0) = 3 [pid 5635] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5633] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=617, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=39 /* 0.39 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5635] 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"..., 67108864) = 67108864 [pid 5635] munmap(0x7f0f30428000, 67108864) = 0 [pid 5635] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5635] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5635] ioctl(4, LOOP_CLR_FD) = 0 [pid 5635] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5635] close(4) = 0 [pid 5635] close(3) = 0 [pid 5635] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5634] <... futex resumed>) = 0 [pid 5634] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5634] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5635] <... futex resumed>) = 1 [pid 5635] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5634] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5634] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5634] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f34407000 [pid 5634] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5634] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[620], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 620 [pid 5634] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5634] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5635] <... mmap resumed>) = 0x20000000 [pid 5635] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5635] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5636 attached [pid 5636] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5636] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5637 attached [pid 5637] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5634] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5634] close(3) = -1 EBADF (Bad file descriptor) [pid 5634] close(4) = -1 EBADF (Bad file descriptor) [pid 5634] close(5) = -1 EBADF (Bad file descriptor) [pid 5634] close(6) = -1 EBADF (Bad file descriptor) [pid 5634] close(7) = -1 EBADF (Bad file descriptor) [pid 5634] close(8) = -1 EBADF (Bad file descriptor) [pid 5634] close(9) = -1 EBADF (Bad file descriptor) [pid 5634] close(10) = -1 EBADF (Bad file descriptor) [pid 5634] close(11) = -1 EBADF (Bad file descriptor) [pid 5634] close(12) = -1 EBADF (Bad file descriptor) [pid 5634] close(13) = -1 EBADF (Bad file descriptor) [pid 5634] close(14) = -1 EBADF (Bad file descriptor) [pid 5634] close(15) = -1 EBADF (Bad file descriptor) [pid 5634] close(16) = -1 EBADF (Bad file descriptor) [pid 5634] close(17) = -1 EBADF (Bad file descriptor) [pid 5634] close(18) = -1 EBADF (Bad file descriptor) [pid 5634] close(19) = -1 EBADF (Bad file descriptor) [pid 5634] close(20) = -1 EBADF (Bad file descriptor) [pid 5634] close(21) = -1 EBADF (Bad file descriptor) [pid 5634] close(22) = -1 EBADF (Bad file descriptor) [pid 5634] close(23) = -1 EBADF (Bad file descriptor) [pid 5634] close(24) = -1 EBADF (Bad file descriptor) [pid 5634] close(25) = -1 EBADF (Bad file descriptor) [pid 5634] close(26) = -1 EBADF (Bad file descriptor) [pid 5634] close(27) = -1 EBADF (Bad file descriptor) [pid 5634] close(28) = -1 EBADF (Bad file descriptor) [pid 5634] close(29) = -1 EBADF (Bad file descriptor) [pid 5634] exit_group(0 [pid 5636] <... clone resumed>) = ? [pid 5635] <... futex resumed>) = ? [pid 5634] <... exit_group resumed>) = ? [pid 5636] +++ exited with 0 +++ [pid 5635] +++ exited with 0 +++ [pid 5634] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=618, si_uid=0, si_status=0, si_utime=15 /* 0.15 s */, si_stime=74 /* 0.74 s */} --- [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 622 ./strace-static-x86_64: Process 5638 attached [pid 5638] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5638] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5638] setpgid(0, 0) = 0 [pid 5638] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5638] write(3, "1000", 4) = 4 [pid 5638] close(3) = 0 [pid 5638] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5638] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5638] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5638] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[623], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 623 [pid 5638] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5638] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5639 attached [pid 5639] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5639] memfd_create("syzkaller", 0) = 3 [pid 5639] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5637] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=621, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=37 /* 0.37 s */} --- [pid 5639] 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"..., 67108864) = 67108864 [pid 5639] munmap(0x7f0f30428000, 67108864) = 0 [pid 5639] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5639] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5639] ioctl(4, LOOP_CLR_FD) = 0 [pid 5639] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5639] close(4) = 0 [pid 5639] close(3) = 0 [pid 5639] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5638] <... futex resumed>) = 0 [pid 5638] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5638] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5639] <... futex resumed>) = 1 [pid 5639] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5638] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5638] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5638] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f34407000 [pid 5638] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5638] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[624], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 624 [pid 5638] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5638] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5639] <... mmap resumed>) = 0x20000000 [pid 5639] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5639] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5640 attached [pid 5640] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5640] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5641 attached [pid 5641] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5638] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5638] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5638] close(3) = -1 EBADF (Bad file descriptor) [pid 5638] close(4) = -1 EBADF (Bad file descriptor) [pid 5638] close(5) = -1 EBADF (Bad file descriptor) [pid 5638] close(6) = -1 EBADF (Bad file descriptor) [pid 5638] close(7) = -1 EBADF (Bad file descriptor) [pid 5638] close(8) = -1 EBADF (Bad file descriptor) [pid 5638] close(9) = -1 EBADF (Bad file descriptor) [pid 5638] close(10) = -1 EBADF (Bad file descriptor) [pid 5638] close(11) = -1 EBADF (Bad file descriptor) [pid 5638] close(12) = -1 EBADF (Bad file descriptor) [pid 5638] close(13) = -1 EBADF (Bad file descriptor) [pid 5638] close(14) = -1 EBADF (Bad file descriptor) [pid 5638] close(15) = -1 EBADF (Bad file descriptor) [pid 5638] close(16) = -1 EBADF (Bad file descriptor) [pid 5638] close(17) = -1 EBADF (Bad file descriptor) [pid 5638] close(18) = -1 EBADF (Bad file descriptor) [pid 5638] close(19) = -1 EBADF (Bad file descriptor) [pid 5638] close(20) = -1 EBADF (Bad file descriptor) [pid 5638] close(21) = -1 EBADF (Bad file descriptor) [pid 5638] close(22) = -1 EBADF (Bad file descriptor) [pid 5638] close(23) = -1 EBADF (Bad file descriptor) [pid 5638] close(24) = -1 EBADF (Bad file descriptor) [pid 5638] close(25) = -1 EBADF (Bad file descriptor) [pid 5638] close(26) = -1 EBADF (Bad file descriptor) [pid 5638] close(27) = -1 EBADF (Bad file descriptor) [pid 5638] close(28) = -1 EBADF (Bad file descriptor) [pid 5638] close(29) = -1 EBADF (Bad file descriptor) [pid 5638] exit_group(0 [pid 5640] <... clone resumed>) = ? [pid 5639] <... futex resumed>) = ? [pid 5638] <... exit_group resumed>) = ? [pid 5640] +++ exited with 0 +++ [pid 5639] +++ exited with 0 +++ [pid 5638] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=622, si_uid=0, si_status=0, si_utime=12 /* 0.12 s */, si_stime=73 /* 0.73 s */} --- [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 626 ./strace-static-x86_64: Process 5642 attached [pid 5642] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5642] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5642] setpgid(0, 0) = 0 [pid 5642] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5642] write(3, "1000", 4) = 4 [pid 5642] close(3) = 0 [pid 5642] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5642] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5642] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5642] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[627], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 627 [pid 5642] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5642] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5643 attached [pid 5643] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5643] memfd_create("syzkaller", 0) = 3 [pid 5643] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5641] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=625, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=40 /* 0.40 s */} --- [pid 5643] 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"..., 67108864) = 67108864 [pid 5643] munmap(0x7f0f30428000, 67108864) = 0 [pid 5643] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5643] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5643] ioctl(4, LOOP_CLR_FD) = 0 [pid 5643] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5643] close(4) = 0 [pid 5643] close(3) = 0 [pid 5643] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5642] <... futex resumed>) = 0 [pid 5642] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5642] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5643] <... futex resumed>) = 1 [pid 5643] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5642] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5642] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5642] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f34407000 [pid 5642] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5642] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[628], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 628 [pid 5642] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5642] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5643] <... mmap resumed>) = 0x20000000 [pid 5643] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5643] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5644 attached [pid 5644] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5644] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5645 attached [pid 5645] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5642] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5642] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5642] close(3) = -1 EBADF (Bad file descriptor) [pid 5642] close(4) = -1 EBADF (Bad file descriptor) [pid 5642] close(5) = -1 EBADF (Bad file descriptor) [pid 5642] close(6) = -1 EBADF (Bad file descriptor) [pid 5642] close(7) = -1 EBADF (Bad file descriptor) [pid 5642] close(8) = -1 EBADF (Bad file descriptor) [pid 5642] close(9) = -1 EBADF (Bad file descriptor) [pid 5642] close(10) = -1 EBADF (Bad file descriptor) [pid 5642] close(11) = -1 EBADF (Bad file descriptor) [pid 5642] close(12) = -1 EBADF (Bad file descriptor) [pid 5642] close(13) = -1 EBADF (Bad file descriptor) [pid 5642] close(14) = -1 EBADF (Bad file descriptor) [pid 5642] close(15) = -1 EBADF (Bad file descriptor) [pid 5642] close(16) = -1 EBADF (Bad file descriptor) [pid 5642] close(17) = -1 EBADF (Bad file descriptor) [pid 5642] close(18) = -1 EBADF (Bad file descriptor) [pid 5642] close(19) = -1 EBADF (Bad file descriptor) [pid 5642] close(20) = -1 EBADF (Bad file descriptor) [pid 5642] close(21) = -1 EBADF (Bad file descriptor) [pid 5642] close(22) = -1 EBADF (Bad file descriptor) [pid 5642] close(23) = -1 EBADF (Bad file descriptor) [pid 5642] close(24) = -1 EBADF (Bad file descriptor) [pid 5642] close(25) = -1 EBADF (Bad file descriptor) [pid 5642] close(26) = -1 EBADF (Bad file descriptor) [pid 5642] close(27) = -1 EBADF (Bad file descriptor) [pid 5642] close(28) = -1 EBADF (Bad file descriptor) [pid 5642] close(29) = -1 EBADF (Bad file descriptor) [pid 5642] exit_group(0 [pid 5644] <... clone resumed>) = ? [pid 5643] <... futex resumed>) = ? [pid 5642] <... exit_group resumed>) = ? [pid 5644] +++ exited with 0 +++ [pid 5643] +++ exited with 0 +++ [pid 5642] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=626, si_uid=0, si_status=0, si_utime=17 /* 0.17 s */, si_stime=75 /* 0.75 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 630 ./strace-static-x86_64: Process 5646 attached [pid 5646] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5646] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5646] setpgid(0, 0) = 0 [pid 5646] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5646] write(3, "1000", 4) = 4 [pid 5646] close(3) = 0 [pid 5646] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5646] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5646] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5646] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[631], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 631 [pid 5646] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5646] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5647 attached [pid 5647] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5647] memfd_create("syzkaller", 0) = 3 [pid 5647] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5647] 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"..., 67108864 [pid 5645] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=629, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=36 /* 0.36 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5647] <... write resumed>) = 67108864 [pid 5647] munmap(0x7f0f30428000, 67108864) = 0 [pid 5647] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5647] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5647] ioctl(4, LOOP_CLR_FD) = 0 [pid 5647] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5647] close(4) = 0 [pid 5647] close(3) = 0 [pid 5647] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5646] <... futex resumed>) = 0 [pid 5646] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5646] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5647] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5646] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5646] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5646] futex(0x7f0f389306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5646] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5647] <... mmap resumed>) = 0x20000000 [pid 5646] <... mmap resumed>) = 0x7f0f34407000 [pid 5646] mprotect(0x7f0f34408000, 131072, PROT_READ|PROT_WRITE [pid 5647] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5646] <... mprotect resumed>) = 0 [pid 5646] clone(child_stack=0x7f0f344273f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[632], tls=0x7f0f34427700, child_tidptr=0x7f0f344279d0) = 632 [pid 5646] futex(0x7f0f389306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5646] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5647] <... futex resumed>) = 0 [pid 5647] futex(0x7f0f389306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5648 attached [pid 5648] set_robust_list(0x7f0f344279e0, 24) = 0 [pid 5648] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5649 attached [pid 5649] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5646] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5646] futex(0x7f0f389306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5646] close(3) = -1 EBADF (Bad file descriptor) [pid 5646] close(4) = -1 EBADF (Bad file descriptor) [pid 5646] close(5) = -1 EBADF (Bad file descriptor) [pid 5646] close(6) = -1 EBADF (Bad file descriptor) [pid 5646] close(7) = -1 EBADF (Bad file descriptor) [pid 5646] close(8) = -1 EBADF (Bad file descriptor) [pid 5646] close(9) = -1 EBADF (Bad file descriptor) [pid 5646] close(10) = -1 EBADF (Bad file descriptor) [pid 5646] close(11) = -1 EBADF (Bad file descriptor) [pid 5646] close(12) = -1 EBADF (Bad file descriptor) [pid 5646] close(13) = -1 EBADF (Bad file descriptor) [pid 5646] close(14) = -1 EBADF (Bad file descriptor) [pid 5646] close(15) = -1 EBADF (Bad file descriptor) [pid 5646] close(16) = -1 EBADF (Bad file descriptor) [pid 5646] close(17) = -1 EBADF (Bad file descriptor) [pid 5646] close(18) = -1 EBADF (Bad file descriptor) [pid 5646] close(19) = -1 EBADF (Bad file descriptor) [pid 5646] close(20) = -1 EBADF (Bad file descriptor) [pid 5646] close(21) = -1 EBADF (Bad file descriptor) [pid 5646] close(22) = -1 EBADF (Bad file descriptor) [pid 5646] close(23) = -1 EBADF (Bad file descriptor) [pid 5646] close(24) = -1 EBADF (Bad file descriptor) [pid 5646] close(25) = -1 EBADF (Bad file descriptor) [pid 5646] close(26) = -1 EBADF (Bad file descriptor) [pid 5646] close(27) = -1 EBADF (Bad file descriptor) [pid 5646] close(28) = -1 EBADF (Bad file descriptor) [pid 5646] close(29) = -1 EBADF (Bad file descriptor) [pid 5646] exit_group(0 [pid 5648] <... clone resumed>) = ? [pid 5647] <... futex resumed>) = ? [pid 5646] <... exit_group resumed>) = ? [pid 5648] +++ exited with 0 +++ [pid 5647] +++ exited with 0 +++ [pid 5646] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=630, si_uid=0, si_status=0, si_utime=10 /* 0.10 s */, si_stime=80 /* 0.80 s */} --- [pid 5000] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558d65d0) = 634 ./strace-static-x86_64: Process 5650 attached [pid 5650] set_robust_list(0x5555558d65e0, 24) = 0 [pid 5650] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5650] setpgid(0, 0) = 0 [pid 5650] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5650] write(3, "1000", 4) = 4 [pid 5650] close(3) = 0 [pid 5650] futex(0x7f0f389306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5650] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0f38828000 [pid 5650] mprotect(0x7f0f38829000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5650] clone(child_stack=0x7f0f388483f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[635], tls=0x7f0f38848700, child_tidptr=0x7f0f388489d0) = 635 [pid 5650] futex(0x7f0f389306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5650] futex(0x7f0f389306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5651 attached [pid 5651] set_robust_list(0x7f0f388489e0, 24) = 0 [pid 5651] memfd_create("syzkaller", 0) = 3 [pid 5651] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0f30428000 [pid 5649] +++ killed by SIGSEGV (core dumped) +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=633, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=34 /* 0.34 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [ 285.535818][ T28] INFO: task kworker/u4:0:10 blocked for more than 143 seconds. [ 285.543555][ T28] Not tainted 6.4.0-rc5-syzkaller-00133-g25041a4c02c7 #0 [ 285.562283][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 285.581973][ T28] task:kworker/u4:0 state:D stack:24200 pid:10 ppid:2 flags:0x00004000 [ 285.602255][ T28] Workqueue: writeback wb_workfn (flush-7:0) [ 285.615147][ T28] Call Trace: [ 285.622600][ T28] [ 285.625602][ T28] __schedule+0xc9a/0x5880 [ 285.630227][ T28] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 285.636385][ T28] ? print_usage_bug.part.0+0x660/0x660 [ 285.642004][ T28] ? io_schedule_timeout+0x150/0x150 [ 285.647497][ T28] ? rwsem_down_write_slowpath+0x3b8/0x1220 [ 285.653523][ T28] schedule+0xde/0x1a0 [ 285.657765][ T28] schedule_preempt_disabled+0x13/0x20 [ 285.663292][ T28] rwsem_down_write_slowpath+0x3e2/0x1220 [ 285.669217][ T28] ? down_timeout+0x90/0x90 [ 285.673876][ T28] ? lock_sync+0x190/0x190 [ 285.678487][ T28] ? f2fs_write_inode+0x4b0/0xd80 [ 285.683588][ T28] ? f2fs_write_inode+0x4b0/0xd80 [ 285.688939][ T28] down_write+0x1d2/0x200 [ 285.693527][ T28] ? rwsem_down_write_slowpath+0x1220/0x1220 [ 285.699850][ T28] f2fs_balance_fs+0x53a/0x6c0 [ 285.704674][ T28] ? has_not_enough_free_secs.constprop.0+0x810/0x810 [ 285.711683][ T28] ? f2fs_update_inode+0xe58/0x2570 [ 285.717069][ T28] ? folio_flags.constprop.0+0x53/0x150 [ 285.722687][ T28] ? f2fs_put_page.constprop.0+0x1f9/0x690 [ 285.728696][ T28] f2fs_write_inode+0x4b0/0xd80 [ 285.733612][ T28] ? spin_bug+0x1c0/0x1c0 [ 285.738182][ T28] __writeback_single_inode+0x9f2/0xdb0 [ 285.743800][ T28] writeback_sb_inodes+0x54d/0xe70 [ 285.749125][ T28] ? sync_inode_metadata+0xe0/0xe0 [ 285.754375][ T28] __writeback_inodes_wb+0xc6/0x280 [ 285.759759][ T28] wb_writeback+0x7e9/0xa50 [ 285.764339][ T28] ? __writeback_inodes_wb+0x280/0x280 [ 285.769986][ T28] ? lock_downgrade+0x690/0x690 [ 285.774921][ T28] ? get_nr_inodes+0x50/0x1b0 [ 285.779787][ T28] ? get_nr_dirty_inodes+0x60/0x1d0 [ 285.785064][ T28] wb_workfn+0x765/0xfc0 [ 285.789507][ T28] ? inode_wait_for_writeback+0x40/0x40 [ 285.795144][ T28] ? lock_sync+0x190/0x190 [ 285.799876][ T28] ? _raw_spin_unlock_irq+0x23/0x50 [ 285.805296][ T28] process_one_work+0x99a/0x15e0 [ 285.810541][ T28] ? pwq_dec_nr_in_flight+0x2a0/0x2a0 [ 285.816273][ T28] ? spin_bug+0x1c0/0x1c0 [ 285.820676][ T28] ? _raw_spin_lock_irq+0x45/0x50 [ 285.825965][ T28] worker_thread+0x67d/0x10c0 [ 285.830779][ T28] ? process_one_work+0x15e0/0x15e0 [ 285.836265][ T28] kthread+0x344/0x440 [ 285.840456][ T28] ? kthread_complete_and_exit+0x40/0x40 [ 285.846357][ T28] ret_from_fork+0x1f/0x30 [ 285.850868][ T28] [ 285.854118][ T28] [ 285.854118][ T28] Showing all locks held in the system: [ 285.862233][ T28] 4 locks held by kworker/u4:0/10: [ 285.868202][ T28] #0: ffff888019266938 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x883/0x15e0 [pid 5651] 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"..., 67108864) = 67108864 [ 285.879038][ T28] #1: ffffc900000f7db0 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x8b7/0x15e0 [ 285.891196][ T28] #2: ffff88807c1e80e0 (&type->s_umount_key#44){.+.+}-{3:3}, at: trylock_super+0x21/0x110 [ 285.901528][ T28] #3: ffff88802bfa12a8 (&sbi->gc_lock){+.+.}-{3:3}, at: f2fs_balance_fs+0x53a/0x6c0 [ 285.911464][ T28] 1 lock held by rcu_tasks_kthre/13: [ 285.917059][ T28] #0: ffffffff8c7984b0 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x31/0xd80 [ 285.927742][ T28] 1 lock held by rcu_tasks_trace/14: [pid 5651] munmap(0x7f0f30428000, 67108864) = 0 [pid 5651] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 285.933142][ T28] #0: ffffffff8c7981b0 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x31/0xd80 [ 285.944310][ T28] 1 lock held by khungtaskd/28: [ 285.949379][ T28] #0: ffffffff8c7990c0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x340 [ 285.959511][ T28] 2 locks held by getty/4753: [ 285.964334][ T28] #0: ffff888029cc8098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x26/0x80 [ 285.974402][ T28] #1: ffffc900015a02f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xef4/0x13e0 [pid 5651] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5651] ioctl(4, LOOP_CLR_FD) = 0 [ 285.984716][ T28] 1 lock held by sshd/4994: [ 285.989439][ T28] 3 locks held by syz-executor285/5009: [ 285.995106][ T28] [ 285.997660][ T28] ============================================= [ 285.997660][ T28] [ 286.006293][ T28] NMI backtrace for cpu 1 [ 286.010624][ T28] CPU: 1 PID: 28 Comm: khungtaskd Not tainted 6.4.0-rc5-syzkaller-00133-g25041a4c02c7 #0 [ 286.020424][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023 [ 286.030474][ T28] Call Trace: [ 286.033756][ T28] [ 286.036682][ T28] dump_stack_lvl+0xd9/0x150 [ 286.041271][ T28] nmi_cpu_backtrace+0x29c/0x350 [ 286.046219][ T28] ? lapic_can_unplug_cpu+0xa0/0xa0 [ 286.051415][ T28] nmi_trigger_cpumask_backtrace+0x2a4/0x300 [ 286.057403][ T28] watchdog+0xe16/0x1090 [ 286.061650][ T28] ? proc_dohung_task_timeout_secs+0x80/0x80 [ 286.067637][ T28] kthread+0x344/0x440 [ 286.071705][ T28] ? kthread_complete_and_exit+0x40/0x40 [ 286.077342][ T28] ret_from_fork+0x1f/0x30 [ 286.081770][ T28] [ 286.084866][ T28] Sending NMI from CPU 1 to CPUs 0: [ 286.090097][ C0] NMI backtrace for cpu 0 [ 286.090104][ C0] CPU: 0 PID: 5009 Comm: syz-executor285 Not tainted 6.4.0-rc5-syzkaller-00133-g25041a4c02c7 #0 [ 286.090118][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023 [ 286.090124][ C0] RIP: 0010:stack_access_ok+0x2c/0x1d0 [ 286.090142][ C0] Code: 00 00 00 00 00 fc ff df 41 56 41 55 41 54 49 89 d4 48 89 fa 55 48 c1 ea 03 48 89 f5 53 48 89 fb 48 83 ec 08 0f b6 04 02 84 c0 <74> 08 3c 03 0f 8e 47 01 00 00 8b 0b 85 c9 74 65 48 8d 7b 08 48 b8 [ 286.090154][ C0] RSP: 0018:ffffc90003a9e570 EFLAGS: 00000246 [ 286.090164][ C0] RAX: 0000000000000000 RBX: ffffc90003a9e618 RCX: ffffffff8eff8378 [ 286.090172][ C0] RDX: 1ffff92000753cc3 RSI: ffffc90003a9fef8 RDI: ffffc90003a9e618 [ 286.090180][ C0] RBP: ffffc90003a9fef8 R08: ffffffff8eff837c R09: ffffc90003a9fef8 [ 286.090188][ C0] R10: ffffc90003a9e618 R11: 0000000000094001 R12: 0000000000000008 [ 286.090196][ C0] R13: ffffc90003a9e618 R14: ffffc90003a9ff00 R15: ffffc90003a9e64c [ 286.090206][ C0] FS: 00007f0f34427700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 286.090218][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 286.090226][ C0] CR2: 00007f0f388dd3f0 CR3: 000000007d335000 CR4: 0000000000350ef0 [ 286.090234][ C0] Call Trace: [ 286.090237][ C0] [ 286.090241][ C0] ? nmi_cpu_backtrace+0x1d0/0x350 [ 286.090261][ C0] ? nmi_cpu_backtrace_handler+0xc/0x10 [ 286.090274][ C0] ? nmi_handle+0x13d/0x400 [ 286.090292][ C0] ? irqentry_nmi_enter+0x80/0x90 [ 286.090307][ C0] ? stack_access_ok+0x2c/0x1d0 [ 286.090321][ C0] ? default_do_nmi+0x6b/0x170 [ 286.090334][ C0] ? exc_nmi+0x171/0x1e0 [ 286.090346][ C0] ? end_repeat_nmi+0x16/0x31 [ 286.090361][ C0] ? stack_access_ok+0x2c/0x1d0 [ 286.090374][ C0] ? stack_access_ok+0x2c/0x1d0 [ 286.090388][ C0] ? stack_access_ok+0x2c/0x1d0 [ 286.090402][ C0] [ 286.090405][ C0] [ 286.090409][ C0] unwind_next_frame+0xacc/0x1e30 [ 286.090423][ C0] ? arch_do_signal_or_restart+0x79/0x5c0 [ 286.090438][ C0] ? write_profile+0x450/0x450 [ 286.090455][ C0] arch_stack_walk+0x81/0xf0 [ 286.090470][ C0] ? arch_do_signal_or_restart+0x79/0x5c0 [ 286.090485][ C0] stack_trace_save+0x90/0xc0 [ 286.090501][ C0] ? filter_irq_stacks+0x90/0x90 [ 286.090518][ C0] ? __lock_acquire+0x1987/0x5f30 [ 286.090541][ C0] kasan_save_stack+0x22/0x40 [ 286.090559][ C0] ? kasan_save_stack+0x22/0x40 [ 286.090576][ C0] ? kasan_set_track+0x25/0x30 [ 286.090592][ C0] ? __kasan_slab_alloc+0x7f/0x90 [ 286.090610][ C0] ? kmem_cache_alloc_lru+0x20a/0x600 [ 286.090626][ C0] ? f2fs_alloc_inode+0x104/0x5c0 [ 286.090641][ C0] ? alloc_inode+0x61/0x230 [ 286.090656][ C0] ? iget_locked+0x1bb/0x700 [ 286.090672][ C0] ? f2fs_iget+0x63/0x5560 [ 286.090685][ C0] ? do_garbage_collect+0x280d/0x3e30 [ 286.090696][ C0] ? f2fs_gc+0x862/0x1f20 [ 286.090706][ C0] ? f2fs_balance_fs+0x547/0x6c0 [ 286.090718][ C0] ? f2fs_map_blocks+0x1957/0x3c10 [ 286.090731][ C0] ? f2fs_file_write_iter+0xfc0/0x24d0 [ 286.090744][ C0] ? __kernel_write_iter+0x262/0x7a0 [ 286.090755][ C0] ? dump_user_range+0x23c/0x710 [ 286.090767][ C0] ? elf_core_dump+0x277e/0x36e0 [ 286.090783][ C0] ? do_coredump+0x2f2b/0x4020 [ 286.090794][ C0] ? get_signal+0x1c02/0x25b0 [ 286.090808][ C0] ? arch_do_signal_or_restart+0x79/0x5c0 [ 286.090826][ C0] ? find_held_lock+0x2d/0x110 [ 286.090841][ C0] ? fs_reclaim_acquire+0xba/0x160 [ 286.090860][ C0] kasan_set_track+0x25/0x30 [ 286.090877][ C0] __kasan_slab_alloc+0x7f/0x90 [ 286.090895][ C0] kmem_cache_alloc_lru+0x20a/0x600 [ 286.090912][ C0] ? lock_downgrade+0x690/0x690 [ 286.090929][ C0] ? alloc_inode+0x61/0x230 [ 286.090943][ C0] f2fs_alloc_inode+0x104/0x5c0 [ 286.090958][ C0] ? __radix_tree_lookup+0x215/0x2a0 [ 286.090977][ C0] ? f2fs_statfs+0xe50/0xe50 [ 286.090992][ C0] alloc_inode+0x61/0x230 [ 286.091007][ C0] iget_locked+0x1bb/0x700 [ 286.091023][ C0] f2fs_iget+0x63/0x5560 [ 286.091036][ C0] ? f2fs_get_node_info+0x643/0xd40 [ 286.091053][ C0] ? f2fs_try_to_free_nats+0x370/0x370 [ 286.091070][ C0] ? folio_flags.constprop.0+0x53/0x150 [ 286.091087][ C0] do_garbage_collect+0x280d/0x3e30 [ 286.091105][ C0] ? move_data_block+0x2050/0x2050 [ 286.091120][ C0] ? up_write+0x1b4/0x520 [ 286.091133][ C0] f2fs_gc+0x862/0x1f20 [ 286.091147][ C0] ? f2fs_start_bidx_of_node+0x50/0x50 [ 286.091163][ C0] ? rwsem_down_write_slowpath+0x1220/0x1220 [ 286.091181][ C0] ? f2fs_map_blocks+0x1957/0x3c10 [ 286.091194][ C0] f2fs_balance_fs+0x547/0x6c0 [ 286.091206][ C0] ? has_not_enough_free_secs.constprop.0+0x810/0x810 [ 286.091221][ C0] ? __up_read+0x1fe/0x750 [ 286.091234][ C0] ? up_write+0x520/0x520 [ 286.091246][ C0] ? folio_flags.constprop.0+0x53/0x150 [ 286.091263][ C0] f2fs_map_blocks+0x1957/0x3c10 [ 286.091281][ C0] ? igrab+0xb0/0xb0 [ 286.091296][ C0] ? f2fs_get_block_locked+0x140/0x140 [ 286.091309][ C0] ? current_time+0x1fe/0x2c0 [ 286.091325][ C0] ? mode_strip_sgid+0x1c0/0x1c0 [ 286.091341][ C0] ? inode_needs_update_time.part.0+0x11d/0x2c0 [ 286.091359][ C0] ? iunique+0x370/0x370 [ 286.091376][ C0] f2fs_file_write_iter+0xfc0/0x24d0 [ 286.091392][ C0] ? find_held_lock+0x2d/0x110 [ 286.091406][ C0] ? f2fs_truncate.part.0+0x630/0x630 [ 286.091421][ C0] ? up_write+0x520/0x520 [ 286.091434][ C0] __kernel_write_iter+0x262/0x7a0 [ 286.091446][ C0] ? vfs_read+0x8a0/0x8a0 [ 286.091464][ C0] ? get_dump_page+0x148/0x210 [ 286.091485][ C0] dump_user_range+0x23c/0x710 [ 286.091497][ C0] ? do_coredump+0x4020/0x4020 [ 286.091509][ C0] ? dump_align+0xa0/0xc0 [ 286.091521][ C0] ? notesize+0x90/0x90 [ 286.091544][ C0] elf_core_dump+0x277e/0x36e0 [ 286.091564][ C0] ? load_elf_phdrs+0x210/0x210 [ 286.091581][ C0] ? kvmalloc_node+0xa2/0x1a0 [ 286.091599][ C0] ? kasan_save_stack+0x32/0x40 [ 286.091616][ C0] ? kasan_set_track+0x25/0x30 [ 286.091633][ C0] ? __kasan_kmalloc+0xa2/0xb0 [ 286.091650][ C0] ? __lock_acquire+0x1987/0x5f30 [ 286.091667][ C0] ? 0xffffffffff600000 [ 286.091678][ C0] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 286.091705][ C0] do_coredump+0x2f2b/0x4020 [ 286.091719][ C0] ? dump_emit+0x340/0x340 [ 286.091732][ C0] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 286.091749][ C0] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 286.091771][ C0] ? lock_sync+0x190/0x190 [ 286.091787][ C0] ? find_held_lock+0x2d/0x110 [ 286.091802][ C0] ? gmbus_xfer_write_chunk+0x3e0/0x4b0 [ 286.091818][ C0] ? _raw_spin_unlock_irq+0x23/0x50 [ 286.091836][ C0] get_signal+0x1c02/0x25b0 [ 286.091853][ C0] ? exit_signals+0x910/0x910 [ 286.091867][ C0] ? force_sig_fault+0xb6/0xf0 [ 286.091881][ C0] ? force_sig+0xe0/0xe0 [ 286.091895][ C0] arch_do_signal_or_restart+0x79/0x5c0 [ 286.091909][ C0] ? get_sigframe_size+0x10/0x10 [ 286.091922][ C0] ? rcu_is_watching+0x12/0xb0 [ 286.091945][ C0] exit_to_user_mode_prepare+0x11f/0x240 [ 286.091966][ C0] irqentry_exit_to_user_mode+0x9/0x40 [ 286.091980][ C0] exc_page_fault+0xc0/0x170 [ 286.091995][ C0] asm_exc_page_fault+0x26/0x30 [ 286.092013][ C0] RIP: 0033:0x0 [ 286.092020][ C0] Code: Unable to access opcode bytes at 0xffffffffffffffd6. [ 286.092025][ C0] RSP: 002b:00000000200001c8 EFLAGS: 00010217 [ 286.092035][ C0] RAX: 0000000000000000 RBX: 00007f0f389306d8 RCX: 00007f0f3889c1e9 [ 286.092042][ C0] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000080004000 [ 286.092050][ C0] RBP: 00007f0f389306d0 R08: 0000000000000000 R09: 0000000000000000 [ 286.092057][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0f389306dc [ 286.092064][ C0] R13: 9958090000000000 R14: 0030656c69662f2e R15: 0000000000022000 [ 286.092076][ C0] [pid 5651] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [ 286.092080][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.983 msecs [ 286.851350][ T28] Kernel panic - not syncing: hung_task: blocked tasks [ 286.858202][ T28] CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.4.0-rc5-syzkaller-00133-g25041a4c02c7 #0 [ 286.868006][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023 [ 286.878141][ T28] Call Trace: [ 286.881416][ T28] [ 286.884341][ T28] dump_stack_lvl+0xd9/0x150 [pid 5651] close(4) = 0 [ 286.888930][ T28] panic+0x686/0x730 [ 286.892830][ T28] ? panic_smp_self_stop+0xa0/0xa0 [ 286.897954][ T28] ? lapic_can_unplug_cpu+0xa0/0xa0 [ 286.903149][ T28] ? preempt_schedule_thunk+0x1a/0x20 [ 286.908617][ T28] ? watchdog+0xbe8/0x1090 [ 286.913039][ T28] watchdog+0xbf9/0x1090 [ 286.917292][ T28] ? proc_dohung_task_timeout_secs+0x80/0x80 [ 286.923281][ T28] kthread+0x344/0x440 [ 286.927352][ T28] ? kthread_complete_and_exit+0x40/0x40 [ 286.932989][ T28] ret_from_fork+0x1f/0x30 [ 286.937508][ T28] [ 286.941473][ T28] Kernel Offset: disabled [ 286.945784][ T28] Rebooting in 86400 seconds..