./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor326450511 <...> syzkaller syzkaller login: [ 14.906638][ T30] audit: type=1400 audit(1748614175.466:59): avc: denied { transition } for pid=223 comm="sshd-session" path="/bin/sh" dev="sda1" ino=90 scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 14.916029][ T30] audit: type=1400 audit(1748614175.466:60): avc: denied { noatsecure } for pid=223 comm="sshd-session" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 14.921420][ T30] audit: type=1400 audit(1748614175.466:61): avc: denied { write } for pid=223 comm="sh" path="pipe:[13945]" dev="pipefs" ino=13945 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1 [ 14.934265][ T30] audit: type=1400 audit(1748614175.466:62): avc: denied { rlimitinh } for pid=223 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 14.953215][ T30] audit: type=1400 audit(1748614175.466:63): avc: denied { siginh } for pid=223 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 18.934697][ T281] sftp-server (281) used greatest stack depth: 20608 bytes left Warning: Permanently added '10.128.1.166' (ED25519) to the list of known hosts. execve("./syz-executor326450511", ["./syz-executor326450511"], 0x7fff5dd62b70 /* 10 vars */) = 0 brk(NULL) = 0x55555756f000 brk(0x55555756fe00) = 0x55555756fe00 arch_prctl(ARCH_SET_FS, 0x55555756f480) = 0 set_tid_address(0x55555756f750) = 288 set_robust_list(0x55555756f760, 24) = 0 rseq(0x55555756fda0, 0x20, 0, 0x53053053) = -1 ENOSYS (Function not implemented) prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor326450511", 4096) = 27 getrandom("\x49\x85\xd6\x61\x65\x44\x52\x6e", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55555756fe00 brk(0x555557590e00) = 0x555557590e00 brk(0x555557591000) = 0x555557591000 mprotect(0x7f43bf724000, 16384, PROT_READ) = 0 mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000 mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000 mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000 rt_sigaction(SIGRTMIN, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=0}, NULL, 8) = 0 rt_sigaction(SIGRT_1, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=0}, NULL, 8) = 0 rt_sigaction(SIGSEGV, {sa_handler=0x7f43bf6682d0, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 rt_sigaction(SIGBUS, {sa_handler=0x7f43bf6682d0, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 unshare(CLONE_NEWPID) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756f750) = 289 ./strace-static-x86_64: Process 289 attached [pid 289] set_robust_list(0x55555756f760, 24) = 0 [pid 289] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 289] getppid() = 0 [pid 289] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 289] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 289] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 289] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 289] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 289] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 289] unshare(CLONE_NEWNS) = 0 [pid 289] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 289] unshare(CLONE_NEWIPC) = -1 EINVAL (Invalid argument) [pid 289] unshare(CLONE_NEWCGROUP) = 0 [pid 289] unshare(CLONE_NEWUTS) = 0 [pid 289] unshare(CLONE_SYSVSEM) = 0 [pid 289] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 289] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 289] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 289] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 289] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 289] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 289] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 289] getpid() = 1 [pid 289] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< {parent_tid=[3]}, 88) = 3 [pid 291] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 291] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 291] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 291] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf61c000 [pid 291] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 291] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 291] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0} => {parent_tid=[4]}, 88) = 4 [pid 291] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 291] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 291] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 292 attached [pid 292] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 292] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 292] memfd_create("syzkaller", 0) = 3 ./strace-static-x86_64: Process 293 attached [pid 292] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b721c000 [ 24.538112][ T30] audit: type=1400 audit(1748614185.086:68): avc: denied { mounton } for pid=289 comm="syz-executor326" path="/root/syz-tmp/newroot/dev" dev="tmpfs" ino=3 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_tmpfs_t tclass=dir permissive=1 [ 24.539924][ T289] request_module fs-gadgetfs succeeded, but still no fs? [ 24.562464][ T30] audit: type=1400 audit(1748614185.086:69): avc: denied { mount } for pid=289 comm="syz-executor326" name="/" dev="proc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:proc_t tclass=filesystem permissive=1 [pid 292] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 292] munmap(0x7f43b721c000, 138412032 [pid 293] set_robust_list(0x7f43bf63c9a0, 24 [pid 292] <... munmap resumed>) = 0 [pid 293] <... set_robust_list resumed>) = 0 [pid 293] rt_sigprocmask(SIG_SETMASK, [], [pid 292] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 24.591563][ T30] audit: type=1400 audit(1748614185.086:70): avc: denied { mounton } for pid=289 comm="syz-executor326" path="/root/syz-tmp/newroot/sys/kernel/debug" dev="debugfs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:debugfs_t tclass=dir permissive=1 [ 24.617410][ T30] audit: type=1400 audit(1748614185.086:71): avc: denied { mounton } for pid=289 comm="syz-executor326" path="/root/syz-tmp/newroot/proc/sys/fs/binfmt_misc" dev="proc" ino=14726 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:sysctl_fs_t tclass=dir permissive=1 [pid 292] ioctl(4, LOOP_SET_FD, 3 [pid 293] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 291] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 291] futex(0x7f43bf72a62c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 291] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf5fb000 [pid 291] mprotect(0x7f43bf5fc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 291] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 291] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf61b990, parent_tid=0x7f43bf61b990, exit_signal=0, stack=0x7f43bf5fb000, stack_size=0x20240, tls=0x7f43bf61b6c0} => {parent_tid=[5]}, 88) = 5 [pid 291] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 291] futex(0x7f43bf72a628, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 291] futex(0x7f43bf72a62c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 292] <... ioctl resumed>) = 0 [pid 292] close(3) = 0 [pid 292] close(4) = 0 [pid 292] mkdir("./file0", 0777) = 0 [ 24.618108][ T292] loop0: detected capacity change from 0 to 256 [ 24.643921][ T30] audit: type=1400 audit(1748614185.086:72): avc: denied { unmount } for pid=289 comm="syz-executor326" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1 [ 24.654563][ T292] ======================================================= [ 24.654563][ T292] WARNING: The mand mount option has been deprecated and [ 24.654563][ T292] and is ignored by this kernel. Remove the mand [pid 292] mount("/dev/loop0", "./file0", "exfat", MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, ""./strace-static-x86_64: Process 294 attached [pid 293] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 291] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 294] set_robust_list(0x7f43bf61b9a0, 24 [pid 293] <... openat resumed>) = 3 [pid 291] futex(0x7f43bf72a63c, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] <... set_robust_list resumed>) = 0 [pid 294] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 294] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor) [pid 294] futex(0x7f43bf72a62c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 294] futex(0x7f43bf72a628, FUTEX_WAIT_PRIVATE, 0, NULL [pid 293] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 293] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 291] <... futex resumed>) = 0 [pid 291] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf5da000 [pid 291] mprotect(0x7f43bf5db000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 291] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 291] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf5fa990, parent_tid=0x7f43bf5fa990, exit_signal=0, stack=0x7f43bf5da000, stack_size=0x20240, tls=0x7f43bf5fa6c0} => {parent_tid=[6]}, 88) = 6 [pid 291] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 291] futex(0x7f43bf72a638, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 24.654563][ T292] option from the mount to silence this warning. [ 24.654563][ T292] ======================================================= [ 24.670841][ T30] audit: type=1400 audit(1748614185.106:73): avc: denied { mounton } for pid=289 comm="syz-executor326" path="/dev/gadgetfs" dev="devtmpfs" ino=556 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:device_t tclass=dir permissive=1 [ 24.728415][ T292] exFAT-fs (loop0): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. [pid 291] futex(0x7f43bf72a63c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 295 attached [pid 295] set_robust_list(0x7f43bf5fa9a0, 24) = 0 [pid 295] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 295] mkdirat(AT_FDCWD, "./file0", 0117) = -1 EEXIST (File exists) [pid 295] futex(0x7f43bf72a63c, FUTEX_WAKE_PRIVATE, 1000000 [pid 291] <... futex resumed>) = 0 [pid 291] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 291] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 293] <... futex resumed>) = 0 [pid 293] creat("./bus", 000) = 4 [pid 293] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 291] <... futex resumed>) = 0 [pid 291] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 291] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 293] <... futex resumed>) = 1 [pid 293] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = 0 [pid 293] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 291] <... futex resumed>) = 0 [pid 291] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 291] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 293] <... futex resumed>) = 1 [pid 293] open("./bus", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 293] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 291] <... futex resumed>) = 0 [pid 291] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 291] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 293] <... futex resumed>) = 1 [pid 293] write(5, "\x23\x21\x20\x0a\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 [pid 295] <... futex resumed>) = 1 [pid 295] futex(0x7f43bf72a638, FUTEX_WAIT_PRIVATE, 0, NULL [pid 293] <... write resumed>) = 131072 [pid 293] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 291] <... futex resumed>) = 0 [pid 293] <... futex resumed>) = 1 [pid 293] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 292] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 292] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 6 [pid 292] ioctl(6, LOOP_CLR_FD) = 0 [pid 292] close(6) = 0 [pid 292] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 292] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 291] close(3) = 0 [pid 291] close(4) = 0 [ 24.739134][ T292] exFAT-fs (loop0): Medium has reported failures. Some data may be lost. [ 24.749341][ T292] exFAT-fs (loop0): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d) [ 24.761638][ T292] exFAT-fs (loop0): failed to load alloc-bitmap [ 24.767910][ T292] exFAT-fs (loop0): failed to recognize exfat type [pid 291] close(5) = 0 [pid 291] close(6) = -1 EBADF (Bad file descriptor) [pid 291] close(7) = -1 EBADF (Bad file descriptor) [pid 291] close(8) = -1 EBADF (Bad file descriptor) [pid 291] close(9) = -1 EBADF (Bad file descriptor) [pid 291] close(10) = -1 EBADF (Bad file descriptor) [pid 291] close(11) = -1 EBADF (Bad file descriptor) [pid 291] close(12) = -1 EBADF (Bad file descriptor) [pid 291] close(13) = -1 EBADF (Bad file descriptor) [pid 291] close(14) = -1 EBADF (Bad file descriptor) [pid 291] close(15) = -1 EBADF (Bad file descriptor) [pid 291] close(16) = -1 EBADF (Bad file descriptor) [pid 291] close(17) = -1 EBADF (Bad file descriptor) [pid 291] close(18) = -1 EBADF (Bad file descriptor) [pid 291] close(19) = -1 EBADF (Bad file descriptor) [pid 291] close(20) = -1 EBADF (Bad file descriptor) [pid 291] close(21) = -1 EBADF (Bad file descriptor) [pid 291] close(22) = -1 EBADF (Bad file descriptor) [pid 291] close(23) = -1 EBADF (Bad file descriptor) [pid 291] close(24) = -1 EBADF (Bad file descriptor) [pid 291] close(25) = -1 EBADF (Bad file descriptor) [pid 291] close(26) = -1 EBADF (Bad file descriptor) [pid 291] close(27) = -1 EBADF (Bad file descriptor) [pid 291] close(28) = -1 EBADF (Bad file descriptor) [pid 291] close(29) = -1 EBADF (Bad file descriptor) [pid 291] exit_group(0 [pid 295] <... futex resumed>) = ? [pid 294] <... futex resumed>) = ? [pid 291] <... exit_group resumed>) = ? [pid 295] +++ exited with 0 +++ [pid 294] +++ exited with 0 +++ [pid 293] <... futex resumed>) = ? [pid 293] +++ exited with 0 +++ [pid 292] <... futex resumed>) = ? [pid 292] +++ exited with 0 +++ [pid 291] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=0, si_stime=15} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program , child_tidptr=0x55555756f750) = 7 ./strace-static-x86_64: Process 296 attached [pid 296] set_robust_list(0x55555756f760, 24) = 0 [pid 296] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 296] setpgid(0, 0) = 0 [pid 296] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 296] write(3, "1000", 4) = 4 [pid 296] close(3) = 0 [pid 296] write(1, "executing program\n", 18) = 18 [pid 296] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 296] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 296] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 296] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 296] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 296] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 296] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0} => {parent_tid=[8]}, 88) = 8 [pid 296] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 296] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 296] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 296] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf61c000 [pid 296] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 296] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 296] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0} => {parent_tid=[9]}, 88) = 9 [pid 296] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 296] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 296] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 298 attached [pid 298] set_robust_list(0x7f43bf63c9a0, 24) = 0 [pid 298] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 298] openat(AT_FDCWD, "/selinux/policy", O_RDONLY./strace-static-x86_64: Process 297 attached [pid 297] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 297] memfd_create("syzkaller", 0) = 4 [pid 297] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b721c000 [pid 297] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 298] <... openat resumed>) = 3 [pid 297] munmap(0x7f43b721c000, 138412032 [pid 298] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 296] <... futex resumed>) = 0 [pid 298] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0 [pid 296] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 296] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 298] <... mmap resumed>) = 0x200000000000 [pid 298] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 298] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 296] <... futex resumed>) = 0 [pid 298] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 296] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 296] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 298] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 297] <... munmap resumed>) = 0 [pid 298] mkdirat(AT_FDCWD, 0x200000000280, 0117 [pid 297] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 298] <... mkdirat resumed>) = 0 [pid 298] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] <... openat resumed>) = 5 [pid 297] ioctl(5, LOOP_SET_FD, 4 [pid 298] <... futex resumed>) = 1 [pid 296] <... futex resumed>) = 0 [pid 296] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 296] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 298] creat(0x200000000040, 000 [pid 297] <... ioctl resumed>) = 0 [pid 298] <... creat resumed>) = 6 [pid 298] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] close(4 [pid 296] <... futex resumed>) = 0 [pid 296] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 296] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 297] <... close resumed>) = 0 [pid 298] <... futex resumed>) = 1 [pid 297] close(5 [pid 298] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL [pid 297] <... close resumed>) = 0 [pid 298] <... mount resumed>) = 0 [pid 297] mkdir(0x200000000240, 0777) = -1 ENOENT (No such file or directory) [pid 297] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [pid 297] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 298] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] ioctl(4, LOOP_CLR_FD [pid 296] <... futex resumed>) = 0 [pid 296] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 296] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 297] <... ioctl resumed>) = 0 [pid 298] <... futex resumed>) = 1 [pid 297] close(4 [pid 298] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c [pid 297] <... close resumed>) = 0 [pid 298] <... open resumed>) = 4 [pid 297] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 298] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 296] <... futex resumed>) = 0 [pid 296] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 296] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 298] <... futex resumed>) = 1 [pid 297] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 298] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 297] write(4, 0x200000000080, 34136651) = 131072 [pid 297] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 296] <... futex resumed>) = 0 [pid 296] close(3) = 0 [pid 296] close(4) = 0 [pid 296] close(5) = -1 EBADF (Bad file descriptor) [pid 296] close(6 [ 24.858835][ T297] loop0: detected capacity change from 0 to 256 [pid 297] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 296] <... close resumed>) = 0 [pid 296] close(7) = -1 EBADF (Bad file descriptor) [pid 296] close(8) = -1 EBADF (Bad file descriptor) [pid 296] close(9) = -1 EBADF (Bad file descriptor) [pid 296] close(10) = -1 EBADF (Bad file descriptor) [pid 296] close(11) = -1 EBADF (Bad file descriptor) [pid 296] close(12) = -1 EBADF (Bad file descriptor) [pid 296] close(13) = -1 EBADF (Bad file descriptor) [pid 296] close(14) = -1 EBADF (Bad file descriptor) [pid 296] close(15) = -1 EBADF (Bad file descriptor) [pid 296] close(16) = -1 EBADF (Bad file descriptor) [pid 296] close(17) = -1 EBADF (Bad file descriptor) [pid 296] close(18) = -1 EBADF (Bad file descriptor) [pid 296] close(19) = -1 EBADF (Bad file descriptor) [pid 296] close(20) = -1 EBADF (Bad file descriptor) [pid 296] close(21) = -1 EBADF (Bad file descriptor) [pid 296] close(22) = -1 EBADF (Bad file descriptor) [pid 296] close(23) = -1 EBADF (Bad file descriptor) [pid 296] close(24) = -1 EBADF (Bad file descriptor) [pid 296] close(25) = -1 EBADF (Bad file descriptor) [pid 296] close(26) = -1 EBADF (Bad file descriptor) [pid 296] close(27) = -1 EBADF (Bad file descriptor) [pid 296] close(28) = -1 EBADF (Bad file descriptor) [pid 296] close(29) = -1 EBADF (Bad file descriptor) [pid 296] exit_group(0) = ? [pid 298] <... futex resumed>) = ? [pid 298] +++ exited with 0 +++ [pid 297] <... futex resumed>) = ? [pid 297] +++ exited with 0 +++ [pid 296] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756f750) = 10 ./strace-static-x86_64: Process 299 attached [pid 299] set_robust_list(0x55555756f760, 24) = 0 [pid 299] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 299] setpgid(0, 0) = 0 [pid 299] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 299] write(3, "1000", 4) = 4 [pid 299] close(3) = 0 [pid 299] write(1, "executing program\n", 18executing program ) = 18 [pid 299] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 299] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 299] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 299] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 299] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 299] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 299] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0}./strace-static-x86_64: Process 300 attached => {parent_tid=[11]}, 88) = 11 [pid 300] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 300] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 300] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 299] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 299] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 300] <... futex resumed>) = 0 [pid 300] memfd_create("syzkaller", 0) = 3 [pid 300] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b723d000 [pid 299] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 299] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43b721c000 [pid 299] mprotect(0x7f43b721d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 300] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 299] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 299] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43b723c990, parent_tid=0x7f43b723c990, exit_signal=0, stack=0x7f43b721c000, stack_size=0x20240, tls=0x7f43b723c6c0} [pid 300] <... write resumed>) = 131072 [pid 300] munmap(0x7f43b723d000, 138412032) = 0 [pid 300] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 300] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 301 attached ) = 0 [pid 299] <... clone3 resumed> => {parent_tid=[12]}, 88) = 12 [pid 301] set_robust_list(0x7f43b723c9a0, 24 [pid 299] rt_sigprocmask(SIG_SETMASK, [], [pid 301] <... set_robust_list resumed>) = 0 [pid 299] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 301] rt_sigprocmask(SIG_SETMASK, [], [pid 299] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000 [pid 301] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 299] <... futex resumed>) = 0 [pid 301] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 299] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 301] <... openat resumed>) = 5 [pid 300] close(3 [pid 301] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] <... futex resumed>) = 0 [pid 299] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 299] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 301] <... futex resumed>) = 1 [pid 301] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 5, 0 [pid 300] <... close resumed>) = 0 [pid 301] <... mmap resumed>) = 0x200000000000 [pid 301] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] <... futex resumed>) = 0 [pid 299] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 299] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 301] <... futex resumed>) = 1 [pid 301] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 300] close(4 [pid 301] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 301] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] <... futex resumed>) = 0 [pid 299] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 299] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 301] <... futex resumed>) = 1 [pid 301] creat(0x200000000040, 000) = 3 [pid 301] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] <... futex resumed>) = 0 [pid 299] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 299] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 301] <... futex resumed>) = 1 [pid 301] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 301] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] <... futex resumed>) = 0 [pid 299] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 299] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 301] <... futex resumed>) = 1 [pid 301] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 4 [pid 301] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] <... futex resumed>) = 0 [pid 299] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 299] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 301] <... futex resumed>) = 1 [pid 301] write(4, 0x200000000080, 34136651 [pid 300] <... close resumed>) = 0 [pid 300] mkdir(0x200000000240, 0777) = -1 ENOENT (No such file or directory) [pid 300] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [pid 300] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 6 [pid 300] ioctl(6, LOOP_CLR_FD) = 0 [pid 300] close(6 [pid 301] <... write resumed>) = 131072 [pid 301] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] <... futex resumed>) = 0 [pid 301] <... futex resumed>) = 1 [pid 301] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 300] <... close resumed>) = 0 [pid 300] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 300] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 299] close(3) = 0 [pid 299] close(4) = 0 [pid 299] close(5) = 0 [pid 299] close(6) = -1 EBADF (Bad file descriptor) [pid 299] close(7) = -1 EBADF (Bad file descriptor) [pid 299] close(8) = -1 EBADF (Bad file descriptor) [pid 299] close(9) = -1 EBADF (Bad file descriptor) [pid 299] close(10) = -1 EBADF (Bad file descriptor) [pid 299] close(11) = -1 EBADF (Bad file descriptor) [pid 299] close(12) = -1 EBADF (Bad file descriptor) [pid 299] close(13) = -1 EBADF (Bad file descriptor) [pid 299] close(14) = -1 EBADF (Bad file descriptor) [pid 299] close(15) = -1 EBADF (Bad file descriptor) [pid 299] close(16) = -1 EBADF (Bad file descriptor) [pid 299] close(17) = -1 EBADF (Bad file descriptor) [pid 299] close(18) = -1 EBADF (Bad file descriptor) [pid 299] close(19) = -1 EBADF (Bad file descriptor) [pid 299] close(20) = -1 EBADF (Bad file descriptor) [pid 299] close(21) = -1 EBADF (Bad file descriptor) [pid 299] close(22) = -1 EBADF (Bad file descriptor) [pid 299] close(23) = -1 EBADF (Bad file descriptor) [pid 299] close(24) = -1 EBADF (Bad file descriptor) [pid 299] close(25) = -1 EBADF (Bad file descriptor) [pid 299] close(26) = -1 EBADF (Bad file descriptor) [pid 299] close(27) = -1 EBADF (Bad file descriptor) [pid 299] close(28) = -1 EBADF (Bad file descriptor) [pid 299] close(29) = -1 EBADF (Bad file descriptor) [pid 299] exit_group(0 [pid 300] <... futex resumed>) = ? [pid 299] <... exit_group resumed>) = ? [pid 301] <... futex resumed>) = ? [pid 301] +++ exited with 0 +++ [pid 300] +++ exited with 0 +++ [pid 299] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 302 attached , child_tidptr=0x55555756f750) = 13 [pid 302] set_robust_list(0x55555756f760, 24) = 0 [pid 302] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 302] setpgid(0, 0) = 0 [pid 302] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 302] write(3, "1000", 4executing program ) = 4 [pid 302] close(3) = 0 [pid 302] write(1, "executing program\n", 18) = 18 [pid 302] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 302] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 302] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 302] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 302] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 302] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 302] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0} => {parent_tid=[14]}, 88) = 14 [pid 302] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 302] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 302] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 302] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf61c000 [pid 302] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 302] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 302] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0} => {parent_tid=[15]}, 88) = 15 [pid 302] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 303 attached ./strace-static-x86_64: Process 304 attached [pid 302] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000 [pid 303] set_robust_list(0x7f43bf65d9a0, 24 [pid 304] set_robust_list(0x7f43bf63c9a0, 24 [pid 302] <... futex resumed>) = 0 [pid 303] <... set_robust_list resumed>) = 0 [pid 303] rt_sigprocmask(SIG_SETMASK, [], [pid 304] <... set_robust_list resumed>) = 0 [pid 303] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 302] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 303] memfd_create("syzkaller", 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [], [pid 303] <... memfd_create resumed>) = 3 [pid 304] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 303] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b721c000 [ 24.939747][ T300] loop0: detected capacity change from 0 to 256 [pid 304] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 303] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 303] munmap(0x7f43b721c000, 138412032) = 0 [pid 303] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 303] ioctl(5, LOOP_SET_FD, 3 [pid 304] <... openat resumed>) = 4 [pid 304] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 304] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 302] <... futex resumed>) = 0 [pid 302] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 302] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] <... futex resumed>) = 0 [pid 304] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 4, 0) = 0x200000000000 [pid 304] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 303] <... ioctl resumed>) = 0 [pid 303] close(3 [pid 304] <... futex resumed>) = 1 [pid 303] <... close resumed>) = 0 [pid 304] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 303] close(5) = 0 [pid 303] mkdir(0x200000000240, 0777) = -1 ENOENT (No such file or directory) [pid 303] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [pid 303] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 303] ioctl(3, LOOP_CLR_FD) = 0 [pid 303] close(3) = 0 [pid 303] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 303] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 302] <... futex resumed>) = 0 [pid 302] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 302] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 303] <... futex resumed>) = 0 [pid 303] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 303] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 302] <... futex resumed>) = 0 [pid 302] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 302] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 303] <... futex resumed>) = 1 [pid 303] creat(0x200000000040, 000) = 3 [pid 303] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 302] <... futex resumed>) = 0 [pid 302] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 302] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 303] <... futex resumed>) = 1 [pid 303] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 303] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 302] <... futex resumed>) = 0 [pid 302] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 302] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 303] <... futex resumed>) = 1 [pid 303] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 303] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 302] <... futex resumed>) = 0 [pid 303] <... futex resumed>) = 1 [pid 302] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 302] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 303] write(5, 0x200000000080, 34136651) = 131072 [pid 303] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 302] <... futex resumed>) = 0 [pid 302] close(3 [pid 303] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 302] <... close resumed>) = 0 [pid 302] close(4) = 0 [pid 302] close(5) = 0 [pid 302] close(6) = -1 EBADF (Bad file descriptor) [pid 302] close(7) = -1 EBADF (Bad file descriptor) [pid 302] close(8) = -1 EBADF (Bad file descriptor) [pid 302] close(9) = -1 EBADF (Bad file descriptor) [pid 302] close(10) = -1 EBADF (Bad file descriptor) [pid 302] close(11) = -1 EBADF (Bad file descriptor) [pid 302] close(12) = -1 EBADF (Bad file descriptor) [pid 302] close(13) = -1 EBADF (Bad file descriptor) [pid 302] close(14) = -1 EBADF (Bad file descriptor) [pid 302] close(15) = -1 EBADF (Bad file descriptor) [pid 302] close(16) = -1 EBADF (Bad file descriptor) [pid 302] close(17) = -1 EBADF (Bad file descriptor) [pid 302] close(18) = -1 EBADF (Bad file descriptor) [pid 302] close(19) = -1 EBADF (Bad file descriptor) [pid 302] close(20) = -1 EBADF (Bad file descriptor) [pid 302] close(21) = -1 EBADF (Bad file descriptor) [pid 302] close(22) = -1 EBADF (Bad file descriptor) [pid 302] close(23) = -1 EBADF (Bad file descriptor) [pid 302] close(24) = -1 EBADF (Bad file descriptor) [pid 302] close(25) = -1 EBADF (Bad file descriptor) [pid 302] close(26) = -1 EBADF (Bad file descriptor) [pid 302] close(27) = -1 EBADF (Bad file descriptor) [pid 302] close(28) = -1 EBADF (Bad file descriptor) [pid 302] close(29) = -1 EBADF (Bad file descriptor) [pid 302] exit_group(0) = ? [pid 304] <... futex resumed>) = ? [pid 303] <... futex resumed>) = ? [pid 304] +++ exited with 0 +++ [pid 303] +++ exited with 0 +++ [pid 302] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program , child_tidptr=0x55555756f750) = 16 ./strace-static-x86_64: Process 305 attached [pid 305] set_robust_list(0x55555756f760, 24) = 0 [pid 305] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 305] setpgid(0, 0) = 0 [pid 305] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 305] write(3, "1000", 4) = 4 [pid 305] close(3) = 0 [pid 305] write(1, "executing program\n", 18) = 18 [pid 305] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 305] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 305] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 305] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 305] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 305] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0} => {parent_tid=[17]}, 88) = 17 [pid 305] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 305] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 305] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 305] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf61c000 [pid 305] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 305] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0} => {parent_tid=[18]}, 88) = 18 [pid 305] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 305] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 305] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 307 attached [pid 307] set_robust_list(0x7f43bf63c9a0, 24) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 307] openat(AT_FDCWD, "/selinux/policy", O_RDONLY./strace-static-x86_64: Process 306 attached [pid 306] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 307] <... openat resumed>) = 3 [pid 307] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... futex resumed>) = 0 [pid 305] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 305] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 307] <... futex resumed>) = 1 [pid 307] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 307] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... futex resumed>) = 0 [pid 305] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 305] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 307] <... futex resumed>) = 1 [pid 307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 307] mkdirat(AT_FDCWD, 0x200000000280, 0117 [pid 306] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000005c0} --- [pid 307] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000002180} --- [pid 307] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... futex resumed>) = 0 [pid 305] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 305] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 307] <... futex resumed>) = 1 [pid 307] creat(0x200000000040, 000) = 4 [pid 307] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... futex resumed>) = 0 [pid 305] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 305] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 307] <... futex resumed>) = 1 [pid 307] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL [pid 306] memfd_create("syzkaller", 0 [pid 307] <... mount resumed>) = 0 [pid 307] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... futex resumed>) = 0 [pid 305] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 305] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 307] <... futex resumed>) = 1 [pid 307] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 307] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... memfd_create resumed>) = 6 [pid 305] <... futex resumed>) = 0 [pid 305] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 305] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 307] <... futex resumed>) = 1 [pid 307] write(5, 0x200000000080, 34136651) = -1 ENOSPC (No space left on device) [pid 307] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... futex resumed>) = 0 [pid 307] <... futex resumed>) = 1 [pid 307] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 306] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b721c000 [pid 306] munmap(0x7f43b721c000, 138412032) = 0 [pid 306] close(6) = 0 [pid 306] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 306] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 305] close(3) = 0 [pid 305] close(4) = 0 [pid 305] close(5) = 0 [pid 305] close(6) = -1 EBADF (Bad file descriptor) [pid 305] close(7) = -1 EBADF (Bad file descriptor) [pid 305] close(8) = -1 EBADF (Bad file descriptor) [pid 305] close(9) = -1 EBADF (Bad file descriptor) [pid 305] close(10) = -1 EBADF (Bad file descriptor) [pid 305] close(11) = -1 EBADF (Bad file descriptor) [pid 305] close(12) = -1 EBADF (Bad file descriptor) [pid 305] close(13) = -1 EBADF (Bad file descriptor) [pid 305] close(14) = -1 EBADF (Bad file descriptor) [pid 305] close(15) = -1 EBADF (Bad file descriptor) [pid 305] close(16) = -1 EBADF (Bad file descriptor) [pid 305] close(17) = -1 EBADF (Bad file descriptor) [pid 305] close(18) = -1 EBADF (Bad file descriptor) [pid 305] close(19) = -1 EBADF (Bad file descriptor) [pid 305] close(20) = -1 EBADF (Bad file descriptor) [pid 305] close(21) = -1 EBADF (Bad file descriptor) [pid 305] close(22) = -1 EBADF (Bad file descriptor) [pid 305] close(23) = -1 EBADF (Bad file descriptor) [pid 305] close(24) = -1 EBADF (Bad file descriptor) [pid 305] close(25) = -1 EBADF (Bad file descriptor) [pid 305] close(26) = -1 EBADF (Bad file descriptor) [pid 305] close(27) = -1 EBADF (Bad file descriptor) [pid 305] close(28) = -1 EBADF (Bad file descriptor) [pid 305] close(29) = -1 EBADF (Bad file descriptor) [pid 305] exit_group(0) = ? [pid 306] <... futex resumed>) = ? [pid 306] +++ exited with 0 +++ [pid 307] <... futex resumed>) = ? [ 24.989572][ T303] loop0: detected capacity change from 0 to 256 [pid 307] +++ exited with 0 +++ [pid 305] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FDexecuting program ) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756f750) = 19 ./strace-static-x86_64: Process 308 attached [pid 308] set_robust_list(0x55555756f760, 24) = 0 [pid 308] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 308] setpgid(0, 0) = 0 [pid 308] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 308] write(3, "1000", 4) = 4 [pid 308] close(3) = 0 [pid 308] write(1, "executing program\n", 18) = 18 [pid 308] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 308] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 308] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 308] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 308] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 308] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0} => {parent_tid=[20]}, 88) = 20 [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 308] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 308] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 308] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf61c000 [pid 308] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 308] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0} => {parent_tid=[21]}, 88) = 21 [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 308] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 308] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 309 attached [pid 309] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 309] memfd_create("syzkaller", 0) = 3 [pid 309] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b721c000 [pid 309] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072./strace-static-x86_64: Process 310 attached [pid 310] set_robust_list(0x7f43bf63c9a0, 24) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 309] <... write resumed>) = 131072 [pid 310] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 309] munmap(0x7f43b721c000, 138412032) = 0 [pid 309] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 309] ioctl(5, LOOP_SET_FD, 3 [pid 310] <... openat resumed>) = 4 [pid 310] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 308] <... futex resumed>) = 0 [pid 308] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 308] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 310] <... futex resumed>) = 1 [pid 310] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 4, 0) = 0x200000000000 [pid 310] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 308] <... futex resumed>) = 0 [pid 308] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 308] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 310] <... futex resumed>) = 1 [pid 310] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 310] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 310] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 308] <... futex resumed>) = 0 [pid 308] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 308] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 310] <... futex resumed>) = 1 [pid 310] creat(0x200000000040, 000 [pid 309] <... ioctl resumed>) = 0 [pid 310] <... creat resumed>) = 6 [pid 310] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 308] <... futex resumed>) = 0 [pid 308] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 308] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 309] close(3 [pid 310] <... futex resumed>) = 1 [pid 310] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL [pid 309] <... close resumed>) = 0 [pid 310] <... mount resumed>) = 0 [pid 309] close(5) = 0 [pid 309] mkdir(0x200000000240, 0777) = -1 ENOENT (No such file or directory) [pid 309] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [pid 310] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 308] <... futex resumed>) = 0 [pid 308] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 308] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 310] <... futex resumed>) = 1 [pid 310] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 3 [pid 309] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 310] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 309] ioctl(5, LOOP_CLR_FD [pid 308] <... futex resumed>) = 0 [pid 308] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 308] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 309] <... ioctl resumed>) = 0 [pid 310] <... futex resumed>) = 1 [pid 310] write(3, 0x200000000080, 34136651 [pid 309] close(5) = 0 [pid 309] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 309] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 310] <... write resumed>) = 131072 [pid 310] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 308] <... futex resumed>) = 0 [pid 308] close(3) = 0 [pid 308] close(4) = 0 [pid 308] close(5) = -1 EBADF (Bad file descriptor) [pid 308] close(6) = 0 [pid 308] close(7) = -1 EBADF (Bad file descriptor) [pid 308] close(8) = -1 EBADF (Bad file descriptor) [pid 308] close(9) = -1 EBADF (Bad file descriptor) [pid 308] close(10) = -1 EBADF (Bad file descriptor) [pid 308] close(11) = -1 EBADF (Bad file descriptor) [pid 308] close(12) = -1 EBADF (Bad file descriptor) [pid 308] close(13) = -1 EBADF (Bad file descriptor) [pid 308] close(14) = -1 EBADF (Bad file descriptor) [pid 308] close(15) = -1 EBADF (Bad file descriptor) [pid 308] close(16) = -1 EBADF (Bad file descriptor) [pid 308] close(17) = -1 EBADF (Bad file descriptor) [pid 308] close(18) = -1 EBADF (Bad file descriptor) [pid 308] close(19) = -1 EBADF (Bad file descriptor) [pid 308] close(20) = -1 EBADF (Bad file descriptor) [pid 308] close(21) = -1 EBADF (Bad file descriptor) [pid 308] close(22) = -1 EBADF (Bad file descriptor) [pid 308] close(23) = -1 EBADF (Bad file descriptor) [pid 308] close(24) = -1 EBADF (Bad file descriptor) [pid 308] close(25) = -1 EBADF (Bad file descriptor) [pid 308] close(26) = -1 EBADF (Bad file descriptor) [pid 308] close(27) = -1 EBADF (Bad file descriptor) [pid 308] close(28 [pid 310] <... futex resumed>) = 1 [pid 308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 308] close(29) = -1 EBADF (Bad file descriptor) [pid 308] exit_group(0) = ? [pid 309] <... futex resumed>) = ? [pid 310] +++ exited with 0 +++ [pid 309] +++ exited with 0 +++ [pid 308] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [ 25.069651][ T309] loop0: detected capacity change from 0 to 256 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756f750) = 22 ./strace-static-x86_64: Process 311 attached [pid 311] set_robust_list(0x55555756f760, 24) = 0 [pid 311] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 311] setpgid(0, 0) = 0 [pid 311] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 311] write(3, "1000", 4) = 4 [pid 311] close(3) = 0 [pid 311] write(1, "executing program\n", 18executing program ) = 18 [pid 311] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 311] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 311] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 311] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 311] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 311] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0} => {parent_tid=[23]}, 88) = 23 [pid 311] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 311] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 311] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 311] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf61c000 [pid 311] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 311] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0}./strace-static-x86_64: Process 312 attached ./strace-static-x86_64: Process 313 attached [pid 312] set_robust_list(0x7f43bf65d9a0, 24 [pid 311] <... clone3 resumed> => {parent_tid=[24]}, 88) = 24 [pid 311] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 311] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 311] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 313] set_robust_list(0x7f43bf63c9a0, 24) = 0 [pid 313] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 313] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 312] <... set_robust_list resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 312] memfd_create("syzkaller", 0) = 4 [pid 312] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b721c000 [pid 312] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 312] munmap(0x7f43b721c000, 138412032) = 0 [pid 312] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 312] ioctl(5, LOOP_SET_FD, 4 [pid 313] <... openat resumed>) = 3 [pid 313] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 313] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 311] <... futex resumed>) = 0 [pid 311] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 311] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 313] <... futex resumed>) = 0 [pid 313] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 313] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... futex resumed>) = 0 [pid 311] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 311] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 313] <... futex resumed>) = 1 [pid 313] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 313] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 313] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... futex resumed>) = 0 [pid 311] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 311] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 313] <... futex resumed>) = 1 [pid 313] creat(0x200000000040, 000) = 6 [pid 313] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... futex resumed>) = 0 [pid 311] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 311] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 313] <... futex resumed>) = 1 [pid 313] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 313] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... futex resumed>) = 0 [pid 311] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 311] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 313] <... futex resumed>) = 1 [pid 313] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 7 [pid 313] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... futex resumed>) = 0 [pid 311] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 311] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 313] <... futex resumed>) = 1 [pid 313] write(7, 0x200000000080, 34136651 [pid 312] <... ioctl resumed>) = 0 [pid 312] close(4) = 0 [pid 312] close(5) = 0 [pid 312] mkdir(0x200000000240, 0777) = -1 ENOENT (No such file or directory) [pid 312] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [pid 312] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 312] ioctl(4, LOOP_CLR_FD) = 0 [pid 312] close(4) = 0 [pid 312] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 312] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 313] <... write resumed>) = 131072 [pid 313] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... futex resumed>) = 0 [pid 311] close(3) = 0 [pid 311] close(4) = -1 EBADF (Bad file descriptor) [pid 311] close(5) = -1 EBADF (Bad file descriptor) [pid 311] close(6) = 0 [pid 311] close(7) = 0 [pid 311] close(8) = -1 EBADF (Bad file descriptor) [pid 311] close(9) = -1 EBADF (Bad file descriptor) [pid 311] close(10) = -1 EBADF (Bad file descriptor) [pid 311] close(11) = -1 EBADF (Bad file descriptor) [pid 311] close(12) = -1 EBADF (Bad file descriptor) [pid 311] close(13) = -1 EBADF (Bad file descriptor) [pid 311] close(14) = -1 EBADF (Bad file descriptor) [pid 311] close(15) = -1 EBADF (Bad file descriptor) [pid 311] close(16) = -1 EBADF (Bad file descriptor) [pid 311] close(17) = -1 EBADF (Bad file descriptor) [pid 311] close(18) = -1 EBADF (Bad file descriptor) [pid 311] close(19) = -1 EBADF (Bad file descriptor) [pid 311] close(20) = -1 EBADF (Bad file descriptor) [pid 311] close(21) = -1 EBADF (Bad file descriptor) [pid 311] close(22) = -1 EBADF (Bad file descriptor) [pid 311] close(23) = -1 EBADF (Bad file descriptor) [pid 311] close(24) = -1 EBADF (Bad file descriptor) [pid 311] close(25) = -1 EBADF (Bad file descriptor) [pid 311] close(26) = -1 EBADF (Bad file descriptor) [pid 311] close(27 [pid 313] <... futex resumed>) = 1 [pid 311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] close(28) = -1 EBADF (Bad file descriptor) [pid 311] close(29) = -1 EBADF (Bad file descriptor) [pid 311] exit_group(0) = ? [pid 312] <... futex resumed>) = ? [pid 312] +++ exited with 0 +++ [pid 313] +++ exited with 0 +++ [pid 311] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program , child_tidptr=0x55555756f750) = 25 ./strace-static-x86_64: Process 314 attached [pid 314] set_robust_list(0x55555756f760, 24) = 0 [pid 314] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 314] setpgid(0, 0) = 0 [pid 314] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 314] write(3, "1000", 4) = 4 [pid 314] close(3) = 0 [pid 314] write(1, "executing program\n", 18) = 18 [pid 314] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 314] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 314] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 314] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 314] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 314] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 314] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0} => {parent_tid=[26]}, 88) = 26 [pid 314] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 314] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 314] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 314] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf61c000 [pid 314] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 314] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 314] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0} => {parent_tid=[27]}, 88) = 27 [pid 314] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 314] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 314] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 316 attached [pid 316] set_robust_list(0x7f43bf63c9a0, 24) = 0 [pid 316] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [ 25.176459][ T312] loop0: detected capacity change from 0 to 256 [pid 316] openat(AT_FDCWD, "/selinux/policy", O_RDONLY./strace-static-x86_64: Process 315 attached [pid 315] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 315] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 315] memfd_create("syzkaller", 0) = 4 [pid 315] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b721c000 [pid 315] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 315] munmap(0x7f43b721c000, 138412032) = 0 [pid 315] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 315] ioctl(5, LOOP_SET_FD, 4) = 0 [pid 315] close(4 [pid 316] <... openat resumed>) = 3 [pid 316] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 314] <... futex resumed>) = 0 [pid 314] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 314] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 316] <... futex resumed>) = 1 [pid 315] <... close resumed>) = 0 [pid 316] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 316] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 314] <... futex resumed>) = 0 [pid 314] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 314] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 316] <... futex resumed>) = 1 [pid 316] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 316] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 316] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 314] <... futex resumed>) = 0 [pid 314] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 314] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 316] <... futex resumed>) = 1 [pid 316] creat(0x200000000040, 000) = 4 [pid 316] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 314] <... futex resumed>) = 0 [pid 314] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 314] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 316] <... futex resumed>) = 1 [pid 316] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 316] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 314] <... futex resumed>) = 0 [pid 314] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 314] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 316] <... futex resumed>) = 1 [pid 316] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 6 [pid 316] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 314] <... futex resumed>) = 0 [pid 314] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 314] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 316] <... futex resumed>) = 1 [pid 316] write(6, 0x200000000080, 34136651 [pid 315] close(5) = 0 [pid 315] mkdir(0x200000000240, 0777) = -1 ENOENT (No such file or directory) [pid 315] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [pid 315] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 316] <... write resumed>) = 131072 [pid 316] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 314] <... futex resumed>) = 0 [pid 316] <... futex resumed>) = 1 [pid 316] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 315] ioctl(5, LOOP_CLR_FD) = 0 [pid 315] close(5) = 0 [pid 315] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 315] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 314] close(3) = 0 [pid 314] close(4) = 0 [pid 314] close(5) = -1 EBADF (Bad file descriptor) [pid 314] close(6) = 0 [pid 314] close(7) = -1 EBADF (Bad file descriptor) [pid 314] close(8) = -1 EBADF (Bad file descriptor) [pid 314] close(9) = -1 EBADF (Bad file descriptor) [pid 314] close(10) = -1 EBADF (Bad file descriptor) [pid 314] close(11) = -1 EBADF (Bad file descriptor) [pid 314] close(12) = -1 EBADF (Bad file descriptor) [pid 314] close(13) = -1 EBADF (Bad file descriptor) [pid 314] close(14) = -1 EBADF (Bad file descriptor) [pid 314] close(15) = -1 EBADF (Bad file descriptor) [pid 314] close(16) = -1 EBADF (Bad file descriptor) [pid 314] close(17) = -1 EBADF (Bad file descriptor) [pid 314] close(18) = -1 EBADF (Bad file descriptor) [pid 314] close(19) = -1 EBADF (Bad file descriptor) [pid 314] close(20) = -1 EBADF (Bad file descriptor) [pid 314] close(21) = -1 EBADF (Bad file descriptor) [pid 314] close(22) = -1 EBADF (Bad file descriptor) [pid 314] close(23) = -1 EBADF (Bad file descriptor) [pid 314] close(24) = -1 EBADF (Bad file descriptor) [pid 314] close(25) = -1 EBADF (Bad file descriptor) [pid 314] close(26) = -1 EBADF (Bad file descriptor) [pid 314] close(27) = -1 EBADF (Bad file descriptor) [pid 314] close(28) = -1 EBADF (Bad file descriptor) [pid 314] close(29) = -1 EBADF (Bad file descriptor) [pid 314] exit_group(0) = ? [pid 316] <... futex resumed>) = ? [pid 315] <... futex resumed>) = 230 [pid 316] +++ exited with 0 +++ [pid 315] +++ exited with 0 +++ [pid 314] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756f750) = 28 ./strace-static-x86_64: Process 317 attached [pid 317] set_robust_list(0x55555756f760, 24) = 0 [pid 317] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 317] setpgid(0, 0) = 0 [pid 317] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 317] write(3, "1000", 4) = 4 [pid 317] close(3) = 0 executing program [pid 317] write(1, "executing program\n", 18) = 18 [pid 317] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 317] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 317] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 317] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 317] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 317] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 317] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0} => {parent_tid=[29]}, 88) = 29 [pid 317] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 317] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 317] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 317] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf61c000 [pid 317] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 317] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 317] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0} => {parent_tid=[30]}, 88) = 30 [pid 317] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 317] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 317] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 318 attached [pid 318] set_robust_list(0x7f43bf65d9a0, 24) = 0 [ 25.241511][ T315] loop0: detected capacity change from 0 to 256 [pid 318] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 318] memfd_create("syzkaller", 0) = 3 [pid 318] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b721c000 [pid 318] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 318] munmap(0x7f43b721c000, 138412032) = 0 [pid 318] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 318] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 319 attached [pid 319] set_robust_list(0x7f43bf63c9a0, 24) = 0 [pid 319] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 319] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 318] <... ioctl resumed>) = 0 [pid 319] <... openat resumed>) = 5 [pid 318] close(3 [pid 319] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 318] <... close resumed>) = 0 [pid 319] <... futex resumed>) = 1 [pid 318] close(4 [pid 317] <... futex resumed>) = 0 [pid 317] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 317] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 318] <... close resumed>) = 0 [pid 318] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 318] mount("/dev/loop0", "./file0", "exfat", MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "" [pid 319] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 5, 0) = 0x200000000000 [pid 319] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 317] <... futex resumed>) = 0 [pid 317] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 317] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 319] <... futex resumed>) = 1 [pid 319] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 319] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 319] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 317] <... futex resumed>) = 0 [pid 317] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 317] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 319] <... futex resumed>) = 1 [pid 319] creat(0x200000000040, 000) = 3 [pid 319] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 317] <... futex resumed>) = 0 [pid 317] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 317] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 319] <... futex resumed>) = 1 [pid 319] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 319] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 317] <... futex resumed>) = 0 [pid 317] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 317] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 319] <... futex resumed>) = 1 [pid 319] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 4 [pid 319] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 317] <... futex resumed>) = 0 [pid 317] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 317] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 319] <... futex resumed>) = 1 [pid 319] write(4, 0x200000000080, 34136651) = 131072 [pid 319] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 317] <... futex resumed>) = 0 [pid 319] <... futex resumed>) = 1 [ 25.305996][ T318] loop0: detected capacity change from 0 to 256 [ 25.320428][ T318] exFAT-fs (loop0): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. [ 25.331858][ T318] exFAT-fs (loop0): Medium has reported failures. Some data may be lost. [ 25.340516][ T318] ================================================================================ [ 25.349800][ T318] UBSAN: shift-out-of-bounds in fs/exfat/super.c:520:38 [ 25.357110][ T318] shift exponent 121 is too large for 32-bit type 'int' [ 25.364232][ T318] CPU: 0 PID: 318 Comm: syz-executor326 Not tainted 5.15.184-syzkaller-00129-g4032a894ccb2 #0 [ 25.374491][ T318] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 25.384535][ T318] Call Trace: [ 25.387810][ T318] [ 25.390736][ T318] __dump_stack+0x21/0x30 [ 25.395087][ T318] dump_stack_lvl+0xee/0x150 [ 25.399684][ T318] ? show_regs_print_info+0x20/0x20 [pid 319] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 317] close(3) = 0 [pid 317] close(4) = 0 [pid 317] close(5) = 0 [pid 317] close(6) = -1 EBADF (Bad file descriptor) [pid 317] close(7) = -1 EBADF (Bad file descriptor) [pid 317] close(8) = -1 EBADF (Bad file descriptor) [pid 317] close(9) = -1 EBADF (Bad file descriptor) [pid 317] close(10) = -1 EBADF (Bad file descriptor) [pid 317] close(11) = -1 EBADF (Bad file descriptor) [pid 317] close(12) = -1 EBADF (Bad file descriptor) [pid 317] close(13) = -1 EBADF (Bad file descriptor) [pid 317] close(14) = -1 EBADF (Bad file descriptor) [pid 317] close(15) = -1 EBADF (Bad file descriptor) [pid 317] close(16) = -1 EBADF (Bad file descriptor) [pid 317] close(17) = -1 EBADF (Bad file descriptor) [pid 317] close(18) = -1 EBADF (Bad file descriptor) [pid 317] close(19) = -1 EBADF (Bad file descriptor) [pid 317] close(20) = -1 EBADF (Bad file descriptor) [pid 317] close(21) = -1 EBADF (Bad file descriptor) [pid 317] close(22) = -1 EBADF (Bad file descriptor) [pid 317] close(23) = -1 EBADF (Bad file descriptor) [pid 317] close(24) = -1 EBADF (Bad file descriptor) [pid 317] close(25) = -1 EBADF (Bad file descriptor) [ 25.404878][ T318] dump_stack+0x15/0x20 [ 25.409023][ T318] ubsan_epilogue+0xe/0x40 [ 25.413529][ T318] __ubsan_handle_shift_out_of_bounds+0x37c/0x400 [ 25.419927][ T318] exfat_fill_super+0x2930/0x2d00 [ 25.424945][ T318] ? exfat_reconfigure+0x90/0x90 [ 25.429868][ T318] ? mutex_unlock+0x89/0x220 [ 25.434527][ T318] ? set_blocksize+0x1fc/0x380 [ 25.439280][ T318] ? sb_set_blocksize+0xaa/0xf0 [ 25.444131][ T318] get_tree_bdev+0x433/0x670 [ 25.448822][ T318] ? exfat_reconfigure+0x90/0x90 [pid 317] close(26) = -1 EBADF (Bad file descriptor) [pid 317] close(27) = -1 EBADF (Bad file descriptor) [pid 317] close(28) = -1 EBADF (Bad file descriptor) [pid 317] close(29) = -1 EBADF (Bad file descriptor) [pid 317] exit_group(0 [pid 319] <... futex resumed>) = ? [pid 317] <... exit_group resumed>) = ? [pid 319] +++ exited with 0 +++ [ 25.453791][ T318] exfat_get_tree+0x1c/0x20 [ 25.458322][ T318] vfs_get_tree+0x89/0x260 [ 25.462765][ T318] do_new_mount+0x25a/0xa20 [ 25.467286][ T318] path_mount+0x675/0x1020 [ 25.471805][ T318] ? user_path_at_empty+0x161/0x1c0 [ 25.477022][ T318] __se_sys_mount+0x318/0x380 [ 25.481692][ T318] ? __x64_sys_mount+0xd0/0xd0 [ 25.486539][ T318] ? __kasan_check_write+0x14/0x20 [ 25.491821][ T318] __x64_sys_mount+0xbf/0xd0 [ 25.496421][ T318] x64_sys_call+0x6bf/0x9a0 [ 25.500920][ T318] do_syscall_64+0x4c/0xa0 [ 25.505323][ T318] ? clear_bhb_loop+0x50/0xa0 [ 25.510006][ T318] ? clear_bhb_loop+0x50/0xa0 [ 25.514706][ T318] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 25.520606][ T318] RIP: 0033:0x7f43bf6a268a [ 25.525012][ T318] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 8e 04 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 25.544657][ T318] RSP: 002b:00007f43bf65cfd8 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 [ 25.553181][ T318] RAX: ffffffffffffffda RBX: 00007f43bf65cff0 RCX: 00007f43bf6a268a [ 25.561264][ T318] RDX: 00002000000005c0 RSI: 0000200000000240 RDI: 00007f43bf65cff0 [ 25.569239][ T318] RBP: 0000200000000240 R08: 00007f43bf65d030 R09: 00000000000014f8 [ 25.577257][ T318] R10: 0000000003000050 R11: 0000000000000286 R12: 00002000000005c0 [ 25.585332][ T318] R13: 00007f43bf65d030 R14: 0000000000000003 R15: 0000000003000050 [ 25.593311][ T318] [ 25.596391][ T318] ================================================================================ [pid 318] <... mount resumed>) = ? [pid 318] +++ exited with 0 +++ [pid 317] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=28, si_uid=0, si_status=0, si_utime=0, si_stime=12} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [ 25.605715][ T318] exFAT-fs (loop0): unable to set blocksize 33554432 [ 25.612471][ T318] exFAT-fs (loop0): failed to read boot sector [ 25.618646][ T318] exFAT-fs (loop0): failed to recognize exfat type [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3executing program ) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756f750) = 31 ./strace-static-x86_64: Process 320 attached [pid 320] set_robust_list(0x55555756f760, 24) = 0 [pid 320] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 320] setpgid(0, 0) = 0 [pid 320] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 320] write(3, "1000", 4) = 4 [pid 320] close(3) = 0 [pid 320] write(1, "executing program\n", 18) = 18 [pid 320] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 320] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 320] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 320] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 320] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 320] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 320] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0} => {parent_tid=[32]}, 88) = 32 [pid 320] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 320] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 320] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 320] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf61c000 [pid 320] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 320] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 320] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0} => {parent_tid=[33]}, 88) = 33 [pid 320] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 320] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 320] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 322 attached [pid 322] set_robust_list(0x7f43bf63c9a0, 24) = 0 [pid 322] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 322] openat(AT_FDCWD, "/selinux/policy", O_RDONLY./strace-static-x86_64: Process 321 attached [pid 321] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 321] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 321] memfd_create("syzkaller", 0) = 4 [pid 321] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b721c000 [pid 321] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 321] munmap(0x7f43b721c000, 138412032) = 0 [pid 321] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 321] ioctl(5, LOOP_SET_FD, 4 [pid 322] <... openat resumed>) = 3 [pid 322] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 320] <... futex resumed>) = 0 [pid 320] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 320] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 322] <... futex resumed>) = 1 [pid 322] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 322] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 320] <... futex resumed>) = 0 [pid 320] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 320] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 322] <... futex resumed>) = 1 [pid 322] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 322] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 322] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 320] <... futex resumed>) = 0 [pid 320] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 320] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 322] <... futex resumed>) = 1 [pid 322] creat(0x200000000040, 000) = 6 [pid 322] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 320] <... futex resumed>) = 0 [pid 320] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 320] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 322] <... futex resumed>) = 1 [pid 322] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 322] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 320] <... futex resumed>) = 0 [pid 320] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 320] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 322] <... futex resumed>) = 1 [pid 322] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 7 [pid 322] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 320] <... futex resumed>) = 0 [pid 320] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 320] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 322] <... futex resumed>) = 1 [pid 322] write(7, 0x200000000080, 34136651) = 131072 [pid 322] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 320] <... futex resumed>) = 0 [pid 322] <... futex resumed>) = 1 [pid 322] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 321] <... ioctl resumed>) = 0 [pid 321] close(4) = 0 [pid 321] close(5) = 0 [pid 321] mkdir(0x200000000240, 0777) = -1 ENOENT (No such file or directory) [pid 321] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [pid 321] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 321] ioctl(4, LOOP_CLR_FD) = 0 [pid 321] close(4) = 0 [pid 321] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 321] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 320] close(3) = 0 [pid 320] close(4) = -1 EBADF (Bad file descriptor) [pid 320] close(5) = -1 EBADF (Bad file descriptor) [pid 320] close(6) = 0 [pid 320] close(7) = 0 [pid 320] close(8) = -1 EBADF (Bad file descriptor) [pid 320] close(9) = -1 EBADF (Bad file descriptor) [pid 320] close(10) = -1 EBADF (Bad file descriptor) [pid 320] close(11) = -1 EBADF (Bad file descriptor) [pid 320] close(12) = -1 EBADF (Bad file descriptor) [pid 320] close(13) = -1 EBADF (Bad file descriptor) [pid 320] close(14) = -1 EBADF (Bad file descriptor) [pid 320] close(15) = -1 EBADF (Bad file descriptor) [pid 320] close(16) = -1 EBADF (Bad file descriptor) [pid 320] close(17) = -1 EBADF (Bad file descriptor) [pid 320] close(18) = -1 EBADF (Bad file descriptor) [pid 320] close(19) = -1 EBADF (Bad file descriptor) [pid 320] close(20) = -1 EBADF (Bad file descriptor) [pid 320] close(21) = -1 EBADF (Bad file descriptor) [pid 320] close(22) = -1 EBADF (Bad file descriptor) [pid 320] close(23) = -1 EBADF (Bad file descriptor) [pid 320] close(24) = -1 EBADF (Bad file descriptor) [pid 320] close(25) = -1 EBADF (Bad file descriptor) [pid 320] close(26) = -1 EBADF (Bad file descriptor) [pid 320] close(27) = -1 EBADF (Bad file descriptor) [pid 320] close(28) = -1 EBADF (Bad file descriptor) [pid 320] close(29) = -1 EBADF (Bad file descriptor) [pid 320] exit_group(0) = ? [pid 321] <... futex resumed>) = ? [pid 322] <... futex resumed>) = ? [pid 321] +++ exited with 0 +++ [pid 322] +++ exited with 0 +++ [pid 320] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=31, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756f750) = 34 ./strace-static-x86_64: Process 323 attached [pid 323] set_robust_list(0x55555756f760, 24) = 0 [pid 323] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 323] setpgid(0, 0) = 0 [pid 323] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 323] write(3, "1000", 4) = 4 [pid 323] close(3) = 0 [pid 323] write(1, "executing program\n", 18executing program ) = 18 [pid 323] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 323] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 323] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 323] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 323] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 323] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 323] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0}./strace-static-x86_64: Process 324 attached => {parent_tid=[35]}, 88) = 35 [pid 324] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 324] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 324] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 323] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 323] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 324] <... futex resumed>) = 0 [pid 324] memfd_create("syzkaller", 0 [pid 323] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 324] <... memfd_create resumed>) = 3 [pid 324] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b723d000 [pid 323] <... futex resumed>) = 0 [pid 323] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43b721c000 [pid 323] mprotect(0x7f43b721d000, 131072, PROT_READ|PROT_WRITE) = 0 [ 25.739946][ T321] loop0: detected capacity change from 0 to 256 [pid 324] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 323] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 323] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43b723c990, parent_tid=0x7f43b723c990, exit_signal=0, stack=0x7f43b721c000, stack_size=0x20240, tls=0x7f43b723c6c0} [pid 324] <... write resumed>) = 131072 [pid 324] munmap(0x7f43b723d000, 138412032) = 0 [pid 324] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 324] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 325 attached [pid 323] <... clone3 resumed> => {parent_tid=[36]}, 88) = 36 [pid 325] set_robust_list(0x7f43b723c9a0, 24 [pid 323] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 323] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 323] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 325] <... set_robust_list resumed>) = 0 [pid 325] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 324] <... ioctl resumed>) = 0 [pid 325] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 324] close(3) = 0 [pid 324] close(4) = 0 [pid 324] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 324] mount("/dev/loop0", "./file0", "exfat", MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "" [pid 325] <... openat resumed>) = 5 [pid 325] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 323] <... futex resumed>) = 0 [pid 323] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 323] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 325] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 5, 0) = 0x200000000000 [pid 325] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 323] <... futex resumed>) = 0 [pid 323] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 323] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 325] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 325] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 325] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 325] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 323] <... futex resumed>) = 0 [pid 323] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 323] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 325] <... futex resumed>) = 0 [pid 325] creat(0x200000000040, 000) = 3 [pid 325] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 323] <... futex resumed>) = 0 [pid 323] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 323] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 325] <... futex resumed>) = 1 [pid 325] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 325] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 323] <... futex resumed>) = 0 [pid 325] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c [pid 323] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000 [pid 325] <... open resumed>) = 4 [pid 323] <... futex resumed>) = 0 [pid 325] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 323] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 325] <... futex resumed>) = 0 [pid 323] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 325] write(4, 0x200000000080, 34136651 [pid 323] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 323] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 325] <... write resumed>) = 131072 [pid 325] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 325] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 323] <... futex resumed>) = 0 [ 25.802132][ T324] loop0: detected capacity change from 0 to 256 [ 25.819591][ T324] exFAT-fs (loop0): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. [ 25.830262][ T324] exFAT-fs (loop0): Medium has reported failures. Some data may be lost. [pid 324] <... mount resumed>) = -1 EIO (Input/output error) [pid 324] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 6 [pid 324] ioctl(6, LOOP_CLR_FD) = 0 [pid 324] close(6) = 0 [pid 324] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 324] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 323] close(3) = 0 [ 25.845528][ T324] exFAT-fs (loop0): error, invalid access to FAT (entry 0x00000005) bogus content (0x04800000) [ 25.856171][ T324] exFAT-fs (loop0): Filesystem has been set read-only [ 25.863154][ T324] exFAT-fs (loop0): failed to load upcase table [ 25.869455][ T324] exFAT-fs (loop0): failed to recognize exfat type [pid 323] close(4) = 0 [pid 323] close(5) = 0 [pid 323] close(6) = -1 EBADF (Bad file descriptor) [pid 323] close(7) = -1 EBADF (Bad file descriptor) [pid 323] close(8) = -1 EBADF (Bad file descriptor) [pid 323] close(9) = -1 EBADF (Bad file descriptor) [pid 323] close(10) = -1 EBADF (Bad file descriptor) [pid 323] close(11) = -1 EBADF (Bad file descriptor) [pid 323] close(12) = -1 EBADF (Bad file descriptor) [pid 323] close(13) = -1 EBADF (Bad file descriptor) [pid 323] close(14) = -1 EBADF (Bad file descriptor) [pid 323] close(15) = -1 EBADF (Bad file descriptor) [pid 323] close(16) = -1 EBADF (Bad file descriptor) [pid 323] close(17) = -1 EBADF (Bad file descriptor) [pid 323] close(18) = -1 EBADF (Bad file descriptor) [pid 323] close(19) = -1 EBADF (Bad file descriptor) [pid 323] close(20) = -1 EBADF (Bad file descriptor) [pid 323] close(21) = -1 EBADF (Bad file descriptor) [pid 323] close(22) = -1 EBADF (Bad file descriptor) [pid 323] close(23) = -1 EBADF (Bad file descriptor) [pid 323] close(24) = -1 EBADF (Bad file descriptor) [pid 323] close(25) = -1 EBADF (Bad file descriptor) [pid 323] close(26) = -1 EBADF (Bad file descriptor) [pid 323] close(27) = -1 EBADF (Bad file descriptor) [pid 323] close(28) = -1 EBADF (Bad file descriptor) [pid 323] close(29) = -1 EBADF (Bad file descriptor) [pid 323] exit_group(0 [pid 325] <... futex resumed>) = 231 [pid 323] <... exit_group resumed>) = ? [pid 325] +++ exited with 0 +++ [pid 324] <... futex resumed>) = ? [pid 324] +++ exited with 0 +++ [pid 323] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=34, si_uid=0, si_status=0, si_utime=0, si_stime=8} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program , child_tidptr=0x55555756f750) = 37 ./strace-static-x86_64: Process 326 attached [pid 326] set_robust_list(0x55555756f760, 24) = 0 [pid 326] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 326] setpgid(0, 0) = 0 [pid 326] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 326] write(3, "1000", 4) = 4 [pid 326] close(3) = 0 [pid 326] write(1, "executing program\n", 18) = 18 [pid 326] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 326] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 326] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 326] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 326] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 326] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 326] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0} => {parent_tid=[38]}, 88) = 38 [pid 326] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 326] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 326] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 326] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf61c000 [pid 326] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 326] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 326] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0} => {parent_tid=[39]}, 88) = 39 [pid 326] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 326] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 326] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 328 attached [pid 328] set_robust_list(0x7f43bf63c9a0, 24) = 0 [pid 328] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 328] openat(AT_FDCWD, "/selinux/policy", O_RDONLY./strace-static-x86_64: Process 327 attached [pid 327] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 327] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 327] memfd_create("syzkaller", 0) = 4 [pid 327] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b721c000 [pid 327] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 328] <... openat resumed>) = 3 [pid 328] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 326] <... futex resumed>) = 0 [pid 326] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 326] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 328] <... futex resumed>) = 1 [pid 328] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 328] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 326] <... futex resumed>) = 0 [pid 326] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 326] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 328] <... futex resumed>) = 1 [pid 328] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 328] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 328] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 326] <... futex resumed>) = 0 [pid 326] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 326] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 328] <... futex resumed>) = 1 [pid 328] creat(0x200000000040, 000) = 5 [pid 328] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 326] <... futex resumed>) = 0 [pid 326] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 326] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 328] <... futex resumed>) = 1 [pid 328] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 328] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 326] <... futex resumed>) = 0 [pid 326] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 326] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 328] <... futex resumed>) = 1 [pid 328] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 6 [pid 328] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 326] <... futex resumed>) = 0 [pid 326] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 326] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 328] <... futex resumed>) = 1 [pid 328] write(6, 0x200000000080, 34136651) = -1 ENOSPC (No space left on device) [pid 328] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 326] <... futex resumed>) = 0 [pid 328] <... futex resumed>) = 1 [pid 328] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 327] <... write resumed>) = 131072 [pid 327] munmap(0x7f43b721c000, 138412032) = 0 [pid 327] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 7 [pid 327] ioctl(7, LOOP_SET_FD, 4) = 0 [pid 327] close(4) = 0 [pid 327] close(7) = 0 [pid 327] mkdir(0x200000000240, 0777) = -1 ENOENT (No such file or directory) [pid 327] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [pid 327] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 327] ioctl(4, LOOP_CLR_FD) = 0 [pid 327] close(4) = 0 [pid 327] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 327] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 326] close(3) = 0 [pid 326] close(4) = -1 EBADF (Bad file descriptor) [pid 326] close(5) = 0 [pid 326] close(6) = 0 [pid 326] close(7) = -1 EBADF (Bad file descriptor) [pid 326] close(8) = -1 EBADF (Bad file descriptor) [pid 326] close(9) = -1 EBADF (Bad file descriptor) [pid 326] close(10) = -1 EBADF (Bad file descriptor) [pid 326] close(11) = -1 EBADF (Bad file descriptor) [pid 326] close(12) = -1 EBADF (Bad file descriptor) [pid 326] close(13) = -1 EBADF (Bad file descriptor) [pid 326] close(14) = -1 EBADF (Bad file descriptor) [pid 326] close(15) = -1 EBADF (Bad file descriptor) [pid 326] close(16) = -1 EBADF (Bad file descriptor) [pid 326] close(17) = -1 EBADF (Bad file descriptor) [pid 326] close(18) = -1 EBADF (Bad file descriptor) [pid 326] close(19) = -1 EBADF (Bad file descriptor) [pid 326] close(20) = -1 EBADF (Bad file descriptor) [pid 326] close(21) = -1 EBADF (Bad file descriptor) [pid 326] close(22) = -1 EBADF (Bad file descriptor) [pid 326] close(23) = -1 EBADF (Bad file descriptor) [pid 326] close(24) = -1 EBADF (Bad file descriptor) [pid 326] close(25) = -1 EBADF (Bad file descriptor) [pid 326] close(26) = -1 EBADF (Bad file descriptor) [pid 326] close(27) = -1 EBADF (Bad file descriptor) [pid 326] close(28) = -1 EBADF (Bad file descriptor) [pid 326] close(29) = -1 EBADF (Bad file descriptor) [pid 326] exit_group(0) = ? [pid 328] <... futex resumed>) = ? [pid 328] +++ exited with 0 +++ [pid 327] <... futex resumed>) = ? [pid 327] +++ exited with 0 +++ [pid 326] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=37, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [ 25.944511][ T327] loop0: detected capacity change from 0 to 256 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756f750) = 40 ./strace-static-x86_64: Process 329 attached [pid 329] set_robust_list(0x55555756f760, 24) = 0 [pid 329] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 329] setpgid(0, 0) = 0 [pid 329] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 329] write(3, "1000", 4) = 4 [pid 329] close(3) = 0 [pid 329] write(1, "executing program\n", 18executing program ) = 18 [pid 329] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 329] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 329] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 329] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 329] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 329] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 329] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0} => {parent_tid=[41]}, 88) = 41 [pid 329] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 329] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 329] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 329] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf61c000 [pid 329] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 329] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 329] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0} => {parent_tid=[42]}, 88) = 42 [pid 329] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 329] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 329] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 331 attached [pid 331] set_robust_list(0x7f43bf63c9a0, 24) = 0 [pid 331] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 331] openat(AT_FDCWD, "/selinux/policy", O_RDONLY) = 3 ./strace-static-x86_64: Process 330 attached [pid 331] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 330] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 330] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 330] memfd_create("syzkaller", 0 [pid 331] <... futex resumed>) = 1 [pid 329] <... futex resumed>) = 0 [pid 330] <... memfd_create resumed>) = 4 [pid 330] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b721c000 [pid 329] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000 [pid 331] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0 [pid 329] <... futex resumed>) = 0 [pid 329] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 331] <... mmap resumed>) = 0x200000000000 [pid 331] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 331] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 329] <... futex resumed>) = 0 [pid 329] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 329] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 331] <... futex resumed>) = 0 [pid 331] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 331] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 331] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 329] <... futex resumed>) = 0 [pid 331] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 330] munmap(0x7f43b721c000, 138412032 [pid 329] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 330] <... munmap resumed>) = 0 [pid 329] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 331] <... futex resumed>) = 0 [pid 330] close(4) = 0 [pid 330] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 331] creat(0x200000000040, 000 [pid 330] <... futex resumed>) = 0 [pid 331] <... creat resumed>) = 4 [pid 330] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 331] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 329] <... futex resumed>) = 0 [pid 331] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 329] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 330] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 329] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 330] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 330] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 329] <... futex resumed>) = 0 [pid 329] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 330] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c [pid 329] <... futex resumed>) = 0 [pid 330] <... open resumed>) = 5 [pid 329] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 330] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 329] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 330] <... futex resumed>) = 0 [pid 329] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 330] write(5, 0x200000000080, 34136651 [pid 329] <... futex resumed>) = 0 [pid 330] <... write resumed>) = -1 ENOSPC (No space left on device) [pid 329] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 330] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 329] <... futex resumed>) = 0 [pid 330] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 329] close(3) = 0 [pid 329] close(4) = 0 [pid 329] close(5) = 0 [pid 329] close(6) = -1 EBADF (Bad file descriptor) [pid 329] close(7) = -1 EBADF (Bad file descriptor) [pid 329] close(8) = -1 EBADF (Bad file descriptor) [pid 329] close(9) = -1 EBADF (Bad file descriptor) [pid 329] close(10) = -1 EBADF (Bad file descriptor) [pid 329] close(11) = -1 EBADF (Bad file descriptor) [pid 329] close(12) = -1 EBADF (Bad file descriptor) [pid 329] close(13) = -1 EBADF (Bad file descriptor) [pid 329] close(14) = -1 EBADF (Bad file descriptor) [pid 329] close(15) = -1 EBADF (Bad file descriptor) [pid 329] close(16) = -1 EBADF (Bad file descriptor) [pid 329] close(17) = -1 EBADF (Bad file descriptor) [pid 329] close(18) = -1 EBADF (Bad file descriptor) [pid 329] close(19) = -1 EBADF (Bad file descriptor) [pid 329] close(20) = -1 EBADF (Bad file descriptor) [pid 329] close(21) = -1 EBADF (Bad file descriptor) [pid 329] close(22) = -1 EBADF (Bad file descriptor) [pid 329] close(23) = -1 EBADF (Bad file descriptor) [pid 329] close(24) = -1 EBADF (Bad file descriptor) [pid 329] close(25) = -1 EBADF (Bad file descriptor) [pid 329] close(26) = -1 EBADF (Bad file descriptor) [pid 329] close(27) = -1 EBADF (Bad file descriptor) [pid 329] close(28) = -1 EBADF (Bad file descriptor) [pid 329] close(29) = -1 EBADF (Bad file descriptor) [pid 329] exit_group(0) = ? [pid 330] <... futex resumed>) = ? [pid 330] +++ exited with 0 +++ [pid 331] <... futex resumed>) = ? [pid 331] +++ exited with 0 +++ [pid 329] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=40, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756f750) = 43 ./strace-static-x86_64: Process 332 attached [pid 332] set_robust_list(0x55555756f760, 24) = 0 [pid 332] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 332] setpgid(0, 0) = 0 [pid 332] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 332] write(3, "1000", 4) = 4 [pid 332] close(3) = 0 [pid 332] write(1, "executing program\n", 18executing program ) = 18 [pid 332] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 332] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 332] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 332] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 332] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 332] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 332] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0} => {parent_tid=[44]}, 88) = 44 [pid 332] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 332] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 332] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 332] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf61c000 [pid 332] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 332] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 332] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0} => {parent_tid=[45]}, 88) = 45 [pid 332] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 332] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 332] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 333 attached [pid 333] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 333] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 333] memfd_create("syzkaller", 0) = 3 [pid 333] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b721c000 ./strace-static-x86_64: Process 334 attached [pid 334] set_robust_list(0x7f43bf63c9a0, 24) = 0 [pid 334] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 334] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 333] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 333] munmap(0x7f43b721c000, 138412032) = 0 [pid 333] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 333] ioctl(5, LOOP_SET_FD, 3 [pid 334] <... openat resumed>) = 4 [pid 334] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 334] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 332] <... futex resumed>) = 0 [pid 332] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 332] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 334] <... futex resumed>) = 0 [pid 334] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 4, 0) = 0x200000000000 [pid 334] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 332] <... futex resumed>) = 0 [pid 332] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 332] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 334] <... futex resumed>) = 1 [pid 334] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 334] mkdirat(AT_FDCWD, 0x200000000280, 0117 [pid 333] <... ioctl resumed>) = 0 [pid 334] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 334] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 332] <... futex resumed>) = 0 [pid 332] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 332] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 333] close(3 [pid 334] <... futex resumed>) = 1 [pid 334] creat(0x200000000040, 000 [pid 333] <... close resumed>) = 0 [pid 334] <... creat resumed>) = 6 [pid 334] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 332] <... futex resumed>) = 0 [pid 332] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 332] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 334] <... futex resumed>) = 1 [pid 334] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL [pid 333] close(5 [pid 334] <... mount resumed>) = 0 [pid 334] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 332] <... futex resumed>) = 0 [pid 332] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 332] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 334] <... futex resumed>) = 1 [pid 334] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 3 [pid 334] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 332] <... futex resumed>) = 0 [pid 332] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 332] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 334] <... futex resumed>) = 1 [pid 334] write(3, 0x200000000080, 34136651 [pid 333] <... close resumed>) = 0 [pid 333] mkdir(0x200000000240, 0777) = -1 ENOENT (No such file or directory) [pid 333] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [pid 333] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 334] <... write resumed>) = 131072 [pid 334] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 332] <... futex resumed>) = 0 [pid 334] <... futex resumed>) = 1 [pid 334] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 333] ioctl(5, LOOP_CLR_FD) = 0 [pid 333] close(5) = 0 [pid 333] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 333] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 332] close(3) = 0 [pid 332] close(4) = 0 [pid 332] close(5) = -1 EBADF (Bad file descriptor) [pid 332] close(6) = 0 [pid 332] close(7) = -1 EBADF (Bad file descriptor) [pid 332] close(8) = -1 EBADF (Bad file descriptor) [pid 332] close(9) = -1 EBADF (Bad file descriptor) [pid 332] close(10) = -1 EBADF (Bad file descriptor) [pid 332] close(11) = -1 EBADF (Bad file descriptor) [pid 332] close(12) = -1 EBADF (Bad file descriptor) [pid 332] close(13) = -1 EBADF (Bad file descriptor) [pid 332] close(14) = -1 EBADF (Bad file descriptor) [pid 332] close(15) = -1 EBADF (Bad file descriptor) [pid 332] close(16) = -1 EBADF (Bad file descriptor) [pid 332] close(17) = -1 EBADF (Bad file descriptor) [pid 332] close(18) = -1 EBADF (Bad file descriptor) [pid 332] close(19) = -1 EBADF (Bad file descriptor) [pid 332] close(20) = -1 EBADF (Bad file descriptor) [pid 332] close(21) = -1 EBADF (Bad file descriptor) [pid 332] close(22) = -1 EBADF (Bad file descriptor) [pid 332] close(23) = -1 EBADF (Bad file descriptor) [pid 332] close(24) = -1 EBADF (Bad file descriptor) [pid 332] close(25) = -1 EBADF (Bad file descriptor) [pid 332] close(26) = -1 EBADF (Bad file descriptor) [pid 332] close(27) = -1 EBADF (Bad file descriptor) [pid 332] close(28) = -1 EBADF (Bad file descriptor) [pid 332] close(29) = -1 EBADF (Bad file descriptor) [pid 332] exit_group(0) = ? [pid 333] <... futex resumed>) = ? [pid 333] +++ exited with 0 +++ [pid 334] <... futex resumed>) = ? [pid 334] +++ exited with 0 +++ [pid 332] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=43, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 335 attached , child_tidptr=0x55555756f750) = 46 [pid 335] set_robust_list(0x55555756f760, 24) = 0 [pid 335] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 335] setpgid(0, 0) = 0 [pid 335] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 335] write(3, "1000", 4) = 4 [pid 335] close(3) = 0 [pid 335] write(1, "executing program\n", 18executing program ) = 18 [pid 335] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 335] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 335] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 335] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 335] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 335] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 335] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0} => {parent_tid=[47]}, 88) = 47 [pid 335] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 335] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 335] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 335] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf61c000 [pid 335] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 335] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 335] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0} => {parent_tid=[48]}, 88) = 48 [pid 335] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 335] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 335] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 337 attached [pid 337] set_robust_list(0x7f43bf63c9a0, 24) = 0 [pid 337] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 337] openat(AT_FDCWD, "/selinux/policy", O_RDONLY./strace-static-x86_64: Process 336 attached [pid 336] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 336] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 336] memfd_create("syzkaller", 0) = 4 [pid 336] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b721c000 [ 26.053430][ T333] loop0: detected capacity change from 0 to 256 [pid 336] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 336] munmap(0x7f43b721c000, 138412032) = 0 [pid 336] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 336] ioctl(5, LOOP_SET_FD, 4 [pid 337] <... openat resumed>) = 3 [pid 337] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 335] <... futex resumed>) = 0 [pid 335] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 335] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 337] <... futex resumed>) = 1 [pid 337] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 337] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 335] <... futex resumed>) = 0 [pid 335] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 335] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 337] <... futex resumed>) = 1 [pid 337] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 337] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 337] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 335] <... futex resumed>) = 0 [pid 335] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 335] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 337] <... futex resumed>) = 1 [pid 337] creat(0x200000000040, 000) = 6 [pid 337] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 335] <... futex resumed>) = 0 [pid 335] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 335] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 337] <... futex resumed>) = 1 [pid 337] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 337] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 335] <... futex resumed>) = 0 [pid 335] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 335] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 337] <... futex resumed>) = 1 [pid 337] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 7 [pid 337] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 335] <... futex resumed>) = 0 [pid 335] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 335] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 337] <... futex resumed>) = 1 [pid 337] write(7, 0x200000000080, 34136651 [pid 336] <... ioctl resumed>) = 0 [pid 336] close(4) = 0 [pid 336] close(5 [pid 337] <... write resumed>) = 131072 [pid 336] <... close resumed>) = 0 [pid 337] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 335] <... futex resumed>) = 0 [pid 337] <... futex resumed>) = 1 [pid 336] mkdir(0x200000000240, 0777 [pid 337] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 336] <... mkdir resumed>) = -1 ENOENT (No such file or directory) [pid 336] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [pid 336] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 336] ioctl(4, LOOP_CLR_FD) = 0 [pid 336] close(4) = 0 [pid 336] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 336] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 335] close(3) = 0 [pid 335] close(4) = -1 EBADF (Bad file descriptor) [pid 335] close(5) = -1 EBADF (Bad file descriptor) [pid 335] close(6) = 0 [pid 335] close(7) = 0 [pid 335] close(8) = -1 EBADF (Bad file descriptor) [pid 335] close(9) = -1 EBADF (Bad file descriptor) [pid 335] close(10) = -1 EBADF (Bad file descriptor) [pid 335] close(11) = -1 EBADF (Bad file descriptor) [pid 335] close(12) = -1 EBADF (Bad file descriptor) [pid 335] close(13) = -1 EBADF (Bad file descriptor) [pid 335] close(14) = -1 EBADF (Bad file descriptor) [pid 335] close(15) = -1 EBADF (Bad file descriptor) [pid 335] close(16) = -1 EBADF (Bad file descriptor) [pid 335] close(17) = -1 EBADF (Bad file descriptor) [pid 335] close(18) = -1 EBADF (Bad file descriptor) [pid 335] close(19) = -1 EBADF (Bad file descriptor) [pid 335] close(20) = -1 EBADF (Bad file descriptor) [pid 335] close(21) = -1 EBADF (Bad file descriptor) [pid 335] close(22) = -1 EBADF (Bad file descriptor) [pid 335] close(23) = -1 EBADF (Bad file descriptor) [pid 335] close(24) = -1 EBADF (Bad file descriptor) [pid 335] close(25) = -1 EBADF (Bad file descriptor) [pid 335] close(26) = -1 EBADF (Bad file descriptor) [pid 335] close(27) = -1 EBADF (Bad file descriptor) [pid 335] close(28) = -1 EBADF (Bad file descriptor) [pid 335] close(29) = -1 EBADF (Bad file descriptor) [pid 335] exit_group(0) = ? [pid 337] <... futex resumed>) = ? [pid 337] +++ exited with 0 +++ [pid 336] <... futex resumed>) = ? [pid 336] +++ exited with 0 +++ [pid 335] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=46, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756f750) = 49 ./strace-static-x86_64: Process 338 attached [pid 338] set_robust_list(0x55555756f760, 24) = 0 [pid 338] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 338] setpgid(0, 0) = 0 [pid 338] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 338] write(3, "1000", 4) = 4 [pid 338] close(3) = 0 executing program [pid 338] write(1, "executing program\n", 18) = 18 [pid 338] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 338] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 338] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 338] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 338] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 338] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 338] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0} => {parent_tid=[50]}, 88) = 50 [pid 338] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 338] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 338] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 338] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf61c000 [pid 338] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 338] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 338] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0} => {parent_tid=[51]}, 88) = 51 [pid 338] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 338] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 338] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 340 attached [pid 340] set_robust_list(0x7f43bf63c9a0, 24) = 0 [pid 340] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 340] openat(AT_FDCWD, "/selinux/policy", O_RDONLY./strace-static-x86_64: Process 339 attached [pid 339] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 339] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 339] memfd_create("syzkaller", 0) = 4 [pid 339] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b721c000 [pid 339] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 339] munmap(0x7f43b721c000, 138412032) = 0 [ 26.115241][ T336] loop0: detected capacity change from 0 to 256 [pid 339] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 339] ioctl(5, LOOP_SET_FD, 4 [pid 340] <... openat resumed>) = 3 [pid 340] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 338] <... futex resumed>) = 0 [pid 338] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 338] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 340] <... futex resumed>) = 1 [pid 340] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 340] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 338] <... futex resumed>) = 0 [pid 338] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 338] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 340] <... futex resumed>) = 1 [pid 340] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 340] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 340] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 338] <... futex resumed>) = 0 [pid 338] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 338] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 340] <... futex resumed>) = 1 [pid 340] creat(0x200000000040, 000) = 6 [pid 340] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 338] <... futex resumed>) = 0 [pid 338] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 338] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 340] <... futex resumed>) = 1 [pid 340] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 340] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 338] <... futex resumed>) = 0 [pid 338] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 338] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 340] <... futex resumed>) = 1 [pid 340] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 7 [pid 340] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 338] <... futex resumed>) = 0 [pid 338] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 338] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 340] <... futex resumed>) = 1 [pid 340] write(7, 0x200000000080, 34136651 [pid 339] <... ioctl resumed>) = 0 [pid 339] close(4) = 0 [pid 339] close(5) = 0 [pid 340] <... write resumed>) = 131072 [pid 340] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 338] <... futex resumed>) = 0 [pid 339] mkdir(0x200000000240, 0777 [pid 340] <... futex resumed>) = 1 [pid 339] <... mkdir resumed>) = -1 ENOENT (No such file or directory) [pid 340] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 339] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [pid 339] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 339] ioctl(4, LOOP_CLR_FD) = 0 [pid 339] close(4) = 0 [pid 339] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 339] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 338] close(3) = 0 [pid 338] close(4) = -1 EBADF (Bad file descriptor) [pid 338] close(5) = -1 EBADF (Bad file descriptor) [pid 338] close(6) = 0 [pid 338] close(7) = 0 [pid 338] close(8) = -1 EBADF (Bad file descriptor) [pid 338] close(9) = -1 EBADF (Bad file descriptor) [pid 338] close(10) = -1 EBADF (Bad file descriptor) [pid 338] close(11) = -1 EBADF (Bad file descriptor) [pid 338] close(12) = -1 EBADF (Bad file descriptor) [pid 338] close(13) = -1 EBADF (Bad file descriptor) [pid 338] close(14) = -1 EBADF (Bad file descriptor) [pid 338] close(15) = -1 EBADF (Bad file descriptor) [pid 338] close(16) = -1 EBADF (Bad file descriptor) [pid 338] close(17) = -1 EBADF (Bad file descriptor) [pid 338] close(18) = -1 EBADF (Bad file descriptor) [pid 338] close(19) = -1 EBADF (Bad file descriptor) [pid 338] close(20) = -1 EBADF (Bad file descriptor) [pid 338] close(21) = -1 EBADF (Bad file descriptor) [pid 338] close(22) = -1 EBADF (Bad file descriptor) [pid 338] close(23) = -1 EBADF (Bad file descriptor) [pid 338] close(24) = -1 EBADF (Bad file descriptor) [pid 338] close(25) = -1 EBADF (Bad file descriptor) [pid 338] close(26) = -1 EBADF (Bad file descriptor) [pid 338] close(27) = -1 EBADF (Bad file descriptor) [pid 338] close(28) = -1 EBADF (Bad file descriptor) [pid 338] close(29) = -1 EBADF (Bad file descriptor) [pid 338] exit_group(0 [pid 340] <... futex resumed>) = ? [pid 339] <... futex resumed>) = ? [pid 338] <... exit_group resumed>) = ? [pid 340] +++ exited with 0 +++ [pid 339] +++ exited with 0 +++ [pid 338] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=49, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [ 26.176456][ T339] loop0: detected capacity change from 0 to 256 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756f750) = 52 ./strace-static-x86_64: Process 341 attached [pid 341] set_robust_list(0x55555756f760, 24) = 0 [pid 341] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 341] setpgid(0, 0) = 0 [pid 341] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 341] write(3, "1000", 4) = 4 [pid 341] close(3) = 0 [pid 341] write(1, "executing program\n", 18executing program ) = 18 [pid 341] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 341] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 341] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 341] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 341] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 341] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 341] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0} => {parent_tid=[53]}, 88) = 53 [pid 341] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 341] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 341] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 341] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf61c000 [pid 341] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 341] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 341] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0} => {parent_tid=[54]}, 88) = 54 [pid 341] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 341] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 341] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 343 attached [pid 343] set_robust_list(0x7f43bf63c9a0, 24) = 0 [pid 343] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 343] openat(AT_FDCWD, "/selinux/policy", O_RDONLY./strace-static-x86_64: Process 342 attached [pid 342] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 342] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 342] memfd_create("syzkaller", 0) = 4 [pid 342] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b721c000 [pid 342] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 342] munmap(0x7f43b721c000, 138412032) = 0 [pid 342] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 342] ioctl(5, LOOP_SET_FD, 4 [pid 343] <... openat resumed>) = 3 [pid 343] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 341] <... futex resumed>) = 0 [pid 341] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 341] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 343] <... futex resumed>) = 1 [pid 343] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 343] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 341] <... futex resumed>) = 0 [pid 341] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 341] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 343] <... futex resumed>) = 1 [pid 343] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 343] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 343] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 341] <... futex resumed>) = 0 [pid 341] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 341] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 343] <... futex resumed>) = 1 [pid 343] creat(0x200000000040, 000) = 6 [pid 343] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 341] <... futex resumed>) = 0 [pid 341] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 341] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 343] <... futex resumed>) = 1 [pid 343] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 343] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 341] <... futex resumed>) = 0 [pid 341] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 341] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 343] <... futex resumed>) = 1 [pid 343] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 7 [pid 343] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 341] <... futex resumed>) = 0 [pid 341] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 341] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 343] <... futex resumed>) = 1 [pid 343] write(7, 0x200000000080, 34136651 [pid 342] <... ioctl resumed>) = 0 [pid 342] close(4) = 0 [pid 342] close(5) = 0 [pid 342] mkdir(0x200000000240, 0777) = -1 ENOENT (No such file or directory) [pid 342] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [pid 342] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 342] ioctl(4, LOOP_CLR_FD) = 0 [pid 342] close(4) = 0 [pid 342] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 342] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 343] <... write resumed>) = 131072 [pid 343] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 341] <... futex resumed>) = 0 [pid 341] close(3) = 0 [pid 341] close(4) = -1 EBADF (Bad file descriptor) [pid 341] close(5) = -1 EBADF (Bad file descriptor) [pid 341] close(6) = 0 [pid 341] close(7) = 0 [pid 341] close(8) = -1 EBADF (Bad file descriptor) [pid 341] close(9) = -1 EBADF (Bad file descriptor) [pid 341] close(10) = -1 EBADF (Bad file descriptor) [pid 341] close(11) = -1 EBADF (Bad file descriptor) [pid 341] close(12) = -1 EBADF (Bad file descriptor) [pid 341] close(13) = -1 EBADF (Bad file descriptor) [pid 341] close(14) = -1 EBADF (Bad file descriptor) [pid 341] close(15) = -1 EBADF (Bad file descriptor) [pid 341] close(16) = -1 EBADF (Bad file descriptor) [pid 341] close(17) = -1 EBADF (Bad file descriptor) [pid 341] close(18) = -1 EBADF (Bad file descriptor) [pid 341] close(19) = -1 EBADF (Bad file descriptor) [pid 341] close(20) = -1 EBADF (Bad file descriptor) [pid 341] close(21) = -1 EBADF (Bad file descriptor) [pid 341] close(22) = -1 EBADF (Bad file descriptor) [pid 341] close(23) = -1 EBADF (Bad file descriptor) [pid 341] close(24) = -1 EBADF (Bad file descriptor) [pid 341] close(25) = -1 EBADF (Bad file descriptor) [pid 341] close(26) = -1 EBADF (Bad file descriptor) [pid 341] close(27) = -1 EBADF (Bad file descriptor) [pid 341] close(28) = -1 EBADF (Bad file descriptor) [pid 341] close(29) = -1 EBADF (Bad file descriptor) [pid 341] exit_group(0) = ? [pid 342] <... futex resumed>) = ? [pid 342] +++ exited with 0 +++ [pid 343] <... futex resumed>) = ? [pid 343] +++ exited with 0 +++ [pid 341] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=52, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [ 26.286120][ T342] loop0: detected capacity change from 0 to 256 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program , child_tidptr=0x55555756f750) = 55 ./strace-static-x86_64: Process 344 attached [pid 344] set_robust_list(0x55555756f760, 24) = 0 [pid 344] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 344] setpgid(0, 0) = 0 [pid 344] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 344] write(3, "1000", 4) = 4 [pid 344] close(3) = 0 [pid 344] write(1, "executing program\n", 18) = 18 [pid 344] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 344] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 344] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 344] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 344] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 344] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 344] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0} => {parent_tid=[56]}, 88) = 56 [pid 344] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 344] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 344] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 344] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf61c000 [pid 344] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 344] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 344] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0} => {parent_tid=[57]}, 88) = 57 [pid 344] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 344] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 344] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 346 attached [pid 346] set_robust_list(0x7f43bf63c9a0, 24) = 0 [pid 346] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 346] openat(AT_FDCWD, "/selinux/policy", O_RDONLY./strace-static-x86_64: Process 345 attached [pid 345] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 345] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 345] memfd_create("syzkaller", 0) = 4 [pid 345] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b721c000 [pid 345] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 345] munmap(0x7f43b721c000, 138412032) = 0 [pid 345] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 345] ioctl(5, LOOP_SET_FD, 4) = 0 [pid 345] close(4) = 0 [pid 345] close(5 [pid 346] <... openat resumed>) = 3 [pid 346] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 344] <... futex resumed>) = 0 [pid 344] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 344] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 346] <... futex resumed>) = 1 [pid 346] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 346] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 344] <... futex resumed>) = 0 [pid 344] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000 [pid 346] <... futex resumed>) = 1 [pid 344] <... futex resumed>) = 0 [pid 344] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 346] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 346] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 346] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 344] <... futex resumed>) = 0 [pid 344] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 344] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 346] <... futex resumed>) = 1 [pid 346] creat(0x200000000040, 000 [pid 345] <... close resumed>) = 0 [pid 345] mkdir(0x200000000240, 0777) = -1 ENOENT (No such file or directory) [pid 345] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [pid 345] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 344] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 344] futex(0x7f43bf72a62c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 344] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf5fb000 [ 26.381485][ T345] loop0: detected capacity change from 0 to 256 [pid 344] mprotect(0x7f43bf5fc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 344] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 344] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf61b990, parent_tid=0x7f43bf61b990, exit_signal=0, stack=0x7f43bf5fb000, stack_size=0x20240, tls=0x7f43bf61b6c0}./strace-static-x86_64: Process 347 attached [pid 347] set_robust_list(0x7f43bf61b9a0, 24 [pid 344] <... clone3 resumed> => {parent_tid=[58]}, 88) = 58 [pid 344] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 344] futex(0x7f43bf72a628, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 344] futex(0x7f43bf72a62c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 347] <... set_robust_list resumed>) = 0 [pid 347] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 347] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 347] futex(0x7f43bf72a62c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 344] <... futex resumed>) = 0 [pid 344] futex(0x7f43bf72a628, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 344] futex(0x7f43bf72a62c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 347] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c [pid 345] <... openat resumed>) = 5 [pid 345] ioctl(5, LOOP_CLR_FD) = 0 [pid 345] close(5) = 0 [pid 345] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 345] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 347] <... open resumed>) = 6 [pid 346] <... creat resumed>) = 4 [pid 347] futex(0x7f43bf72a62c, FUTEX_WAKE_PRIVATE, 1000000 [pid 346] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 347] <... futex resumed>) = 1 [pid 344] <... futex resumed>) = 0 [pid 344] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 345] <... futex resumed>) = 0 [pid 344] <... futex resumed>) = 1 [pid 345] write(6, 0x200000000080, 34136651 [pid 344] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 346] <... futex resumed>) = 0 [pid 346] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 347] futex(0x7f43bf72a628, FUTEX_WAIT_PRIVATE, 0, NULL [pid 345] <... write resumed>) = 131072 [pid 345] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 344] <... futex resumed>) = 0 [pid 345] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 344] close(3) = 0 [pid 344] close(4) = 0 [pid 344] close(5) = -1 EBADF (Bad file descriptor) [pid 344] close(6) = 0 [pid 344] close(7) = -1 EBADF (Bad file descriptor) [pid 344] close(8) = -1 EBADF (Bad file descriptor) [pid 344] close(9) = -1 EBADF (Bad file descriptor) [pid 344] close(10) = -1 EBADF (Bad file descriptor) [pid 344] close(11) = -1 EBADF (Bad file descriptor) [pid 344] close(12) = -1 EBADF (Bad file descriptor) [pid 344] close(13) = -1 EBADF (Bad file descriptor) [pid 344] close(14) = -1 EBADF (Bad file descriptor) [pid 344] close(15) = -1 EBADF (Bad file descriptor) [pid 344] close(16) = -1 EBADF (Bad file descriptor) [pid 344] close(17) = -1 EBADF (Bad file descriptor) [pid 344] close(18) = -1 EBADF (Bad file descriptor) [pid 344] close(19) = -1 EBADF (Bad file descriptor) [pid 344] close(20) = -1 EBADF (Bad file descriptor) [pid 344] close(21) = -1 EBADF (Bad file descriptor) [pid 344] close(22) = -1 EBADF (Bad file descriptor) [pid 344] close(23) = -1 EBADF (Bad file descriptor) [pid 344] close(24) = -1 EBADF (Bad file descriptor) [pid 344] close(25) = -1 EBADF (Bad file descriptor) [pid 344] close(26) = -1 EBADF (Bad file descriptor) [pid 344] close(27) = -1 EBADF (Bad file descriptor) [pid 344] close(28) = -1 EBADF (Bad file descriptor) [pid 344] close(29) = -1 EBADF (Bad file descriptor) [pid 344] exit_group(0 [pid 345] <... futex resumed>) = ? [pid 344] <... exit_group resumed>) = ? [pid 345] +++ exited with 0 +++ [pid 346] <... futex resumed>) = ? [pid 346] +++ exited with 0 +++ [pid 347] <... futex resumed>) = ? [pid 347] +++ exited with 0 +++ [pid 344] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=55, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756f750) = 59 executing program ./strace-static-x86_64: Process 348 attached [pid 348] set_robust_list(0x55555756f760, 24) = 0 [pid 348] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 348] setpgid(0, 0) = 0 [pid 348] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 348] write(3, "1000", 4) = 4 [pid 348] close(3) = 0 [pid 348] write(1, "executing program\n", 18) = 18 [pid 348] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 348] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 348] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 348] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 348] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 348] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 348] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0} => {parent_tid=[60]}, 88) = 60 [pid 348] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 348] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 348] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 348] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf61c000 [pid 348] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 348] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 348] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0} => {parent_tid=[61]}, 88) = 61 [pid 348] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 348] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 348] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 350 attached [pid 350] set_robust_list(0x7f43bf63c9a0, 24) = 0 [pid 350] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 350] openat(AT_FDCWD, "/selinux/policy", O_RDONLY./strace-static-x86_64: Process 349 attached [pid 349] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 349] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 349] memfd_create("syzkaller", 0) = 4 [pid 349] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b721c000 [pid 349] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 349] munmap(0x7f43b721c000, 138412032 [pid 350] <... openat resumed>) = 3 [pid 350] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 348] <... futex resumed>) = 0 [pid 348] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 348] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 349] <... munmap resumed>) = 0 [pid 350] <... futex resumed>) = 1 [pid 350] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 349] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 350] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 348] <... futex resumed>) = 0 [pid 348] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 348] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 349] <... openat resumed>) = 5 [pid 350] <... futex resumed>) = 1 [pid 350] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 349] ioctl(5, LOOP_SET_FD, 4 [pid 350] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 350] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 348] <... futex resumed>) = 0 [pid 348] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 348] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 350] <... futex resumed>) = 1 [pid 350] creat(0x200000000040, 000) = 6 [pid 349] <... ioctl resumed>) = 0 [pid 350] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 349] close(4 [pid 350] <... futex resumed>) = 1 [pid 349] <... close resumed>) = 0 [pid 348] <... futex resumed>) = 0 [pid 348] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 348] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 349] close(5 [pid 350] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 349] <... close resumed>) = 0 [pid 349] mkdir(0x200000000240, 0777) = -1 ENOENT (No such file or directory) [pid 349] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [pid 350] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 350] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 349] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 349] ioctl(4, LOOP_CLR_FD) = 0 [pid 349] close(4 [pid 348] <... futex resumed>) = 0 [pid 349] <... close resumed>) = 0 [pid 349] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 349] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 348] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 348] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 349] <... futex resumed>) = 0 [pid 349] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 4 [pid 349] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 348] <... futex resumed>) = 0 [pid 348] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 348] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 349] <... futex resumed>) = 1 [pid 349] write(4, 0x200000000080, 34136651) = 131072 [pid 349] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 348] <... futex resumed>) = 0 [pid 348] close(3) = 0 [pid 348] close(4) = 0 [pid 348] close(5) = -1 EBADF (Bad file descriptor) [pid 348] close(6) = 0 [pid 348] close(7) = -1 EBADF (Bad file descriptor) [pid 348] close(8) = -1 EBADF (Bad file descriptor) [pid 348] close(9) = -1 EBADF (Bad file descriptor) [pid 348] close(10) = -1 EBADF (Bad file descriptor) [pid 348] close(11) = -1 EBADF (Bad file descriptor) [pid 348] close(12) = -1 EBADF (Bad file descriptor) [pid 348] close(13) = -1 EBADF (Bad file descriptor) [pid 348] close(14) = -1 EBADF (Bad file descriptor) [pid 348] close(15) = -1 EBADF (Bad file descriptor) [pid 348] close(16) = -1 EBADF (Bad file descriptor) [pid 348] close(17) = -1 EBADF (Bad file descriptor) [pid 348] close(18) = -1 EBADF (Bad file descriptor) [pid 348] close(19) = -1 EBADF (Bad file descriptor) [pid 348] close(20) = -1 EBADF (Bad file descriptor) [pid 348] close(21) = -1 EBADF (Bad file descriptor) [pid 348] close(22) = -1 EBADF (Bad file descriptor) [pid 348] close(23) = -1 EBADF (Bad file descriptor) [pid 348] close(24) = -1 EBADF (Bad file descriptor) [pid 348] close(25) = -1 EBADF (Bad file descriptor) [pid 348] close(26) = -1 EBADF (Bad file descriptor) [pid 348] close(27) = -1 EBADF (Bad file descriptor) [pid 348] close(28) = -1 EBADF (Bad file descriptor) [pid 348] close(29) = -1 EBADF (Bad file descriptor) [pid 348] exit_group(0) = ? [pid 350] <... futex resumed>) = ? [pid 350] +++ exited with 0 +++ [pid 349] <... futex resumed>) = ? [pid 349] +++ exited with 0 +++ [pid 348] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=59, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756f750) = 62 ./strace-static-x86_64: Process 351 attached [pid 351] set_robust_list(0x55555756f760, 24) = 0 [pid 351] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 351] setpgid(0, 0) = 0 [pid 351] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 351] write(3, "1000", 4) = 4 [pid 351] close(3) = 0 [pid 351] write(1, "executing program\n", 18executing program ) = 18 [pid 351] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 351] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 351] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 351] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 351] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 351] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 351] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0} => {parent_tid=[63]}, 88) = 63 [pid 351] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 351] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 351] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 351] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf61c000 [pid 351] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 351] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 351] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0} => {parent_tid=[64]}, 88) = 64 [pid 351] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [ 26.527702][ T349] loop0: detected capacity change from 0 to 256 [pid 351] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 351] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 352 attached [pid 352] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 352] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 352] memfd_create("syzkaller", 0) = 3 [pid 352] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b721c000 [pid 352] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 352] munmap(0x7f43b721c000, 138412032) = 0 [pid 352] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 352] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 353 attached [pid 353] set_robust_list(0x7f43bf63c9a0, 24) = 0 [pid 353] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 353] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 352] <... ioctl resumed>) = 0 [pid 352] close(3) = 0 [pid 352] close(4) = 0 [pid 352] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 352] mount("/dev/loop0", "./file0", "exfat", MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "" [pid 353] <... openat resumed>) = 5 [pid 353] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 351] <... futex resumed>) = 0 [pid 351] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 351] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 353] <... futex resumed>) = 1 [pid 353] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 5, 0) = 0x200000000000 [pid 353] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 351] <... futex resumed>) = 0 [pid 351] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 351] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 353] <... futex resumed>) = 1 [pid 353] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 353] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 353] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 351] <... futex resumed>) = 0 [pid 351] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 351] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 353] <... futex resumed>) = 1 [pid 353] creat(0x200000000040, 000) = 3 [pid 353] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 351] <... futex resumed>) = 0 [pid 351] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 351] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 353] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 353] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 353] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 351] <... futex resumed>) = 0 [pid 351] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000 [pid 353] <... futex resumed>) = 0 [pid 351] <... futex resumed>) = 1 [pid 353] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c [pid 351] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 353] <... open resumed>) = 4 [pid 353] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 351] <... futex resumed>) = 0 [pid 353] write(4, 0x200000000080, 34136651 [pid 351] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 26.593688][ T352] loop0: detected capacity change from 0 to 256 [ 26.604448][ T352] exFAT-fs (loop0): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. [ 26.615661][ T352] exFAT-fs (loop0): Medium has reported failures. Some data may be lost. [ 26.627834][ T352] exFAT-fs (loop0): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d) [pid 353] <... write resumed>) = 131072 [pid 351] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 353] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 351] <... futex resumed>) = 0 [pid 353] <... futex resumed>) = 1 [pid 353] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 352] <... mount resumed>) = -1 EIO (Input/output error) [pid 352] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 6 [pid 352] ioctl(6, LOOP_CLR_FD) = 0 [pid 352] close(6) = 0 [pid 352] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 352] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 351] close(3) = 0 [ 26.640764][ T352] exFAT-fs (loop0): error, invalid access to FAT (entry 0x00000005) bogus content (0x04800000) [ 26.651314][ T352] exFAT-fs (loop0): Filesystem has been set read-only [ 26.658107][ T352] exFAT-fs (loop0): failed to initialize root inode [pid 351] close(4) = 0 [pid 351] close(5) = 0 [pid 351] close(6) = -1 EBADF (Bad file descriptor) [pid 351] close(7) = -1 EBADF (Bad file descriptor) [pid 351] close(8) = -1 EBADF (Bad file descriptor) [pid 351] close(9) = -1 EBADF (Bad file descriptor) [pid 351] close(10) = -1 EBADF (Bad file descriptor) [pid 351] close(11) = -1 EBADF (Bad file descriptor) [pid 351] close(12) = -1 EBADF (Bad file descriptor) [pid 351] close(13) = -1 EBADF (Bad file descriptor) [pid 351] close(14) = -1 EBADF (Bad file descriptor) [pid 351] close(15) = -1 EBADF (Bad file descriptor) [pid 351] close(16) = -1 EBADF (Bad file descriptor) [pid 351] close(17) = -1 EBADF (Bad file descriptor) [pid 351] close(18) = -1 EBADF (Bad file descriptor) [pid 351] close(19) = -1 EBADF (Bad file descriptor) [pid 351] close(20) = -1 EBADF (Bad file descriptor) [pid 351] close(21) = -1 EBADF (Bad file descriptor) [pid 351] close(22) = -1 EBADF (Bad file descriptor) [pid 351] close(23) = -1 EBADF (Bad file descriptor) [pid 351] close(24) = -1 EBADF (Bad file descriptor) [pid 351] close(25) = -1 EBADF (Bad file descriptor) [pid 351] close(26) = -1 EBADF (Bad file descriptor) [pid 351] close(27) = -1 EBADF (Bad file descriptor) [pid 351] close(28) = -1 EBADF (Bad file descriptor) [pid 351] close(29) = -1 EBADF (Bad file descriptor) [pid 351] exit_group(0 [pid 353] <... futex resumed>) = ? [pid 351] <... exit_group resumed>) = ? [pid 353] +++ exited with 0 +++ [pid 352] <... futex resumed>) = ? [pid 352] +++ exited with 0 +++ [pid 351] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=62, si_uid=0, si_status=0, si_utime=0, si_stime=8} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program ./strace-static-x86_64: Process 354 attached , child_tidptr=0x55555756f750) = 65 [pid 354] set_robust_list(0x55555756f760, 24) = 0 [pid 354] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 354] setpgid(0, 0) = 0 [pid 354] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 354] write(3, "1000", 4) = 4 [pid 354] close(3) = 0 [pid 354] write(1, "executing program\n", 18) = 18 [pid 354] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 354] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 354] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 354] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 354] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 354] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 354] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0} => {parent_tid=[66]}, 88) = 66 [pid 354] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 354] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 355 attached ) = 0 [pid 355] set_robust_list(0x7f43bf65d9a0, 24 [pid 354] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 355] <... set_robust_list resumed>) = 0 [pid 354] <... futex resumed>) = 0 [pid 355] rt_sigprocmask(SIG_SETMASK, [], [pid 354] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 355] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 354] <... mmap resumed>) = 0x7f43bf61c000 [pid 355] memfd_create("syzkaller", 0 [pid 354] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 355] <... memfd_create resumed>) = 3 [pid 354] rt_sigprocmask(SIG_BLOCK, ~[], [pid 355] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b721c000 [pid 354] <... rt_sigprocmask resumed>[], 8) = 0 [pid 354] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0}./strace-static-x86_64: Process 356 attached => {parent_tid=[67]}, 88) = 67 [pid 356] set_robust_list(0x7f43bf63c9a0, 24 [pid 354] rt_sigprocmask(SIG_SETMASK, [], [pid 356] <... set_robust_list resumed>) = 0 [pid 355] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 356] rt_sigprocmask(SIG_SETMASK, [], [pid 354] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 355] <... write resumed>) = 131072 [pid 354] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000 [pid 356] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 354] <... futex resumed>) = 0 [pid 356] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 354] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 355] munmap(0x7f43b721c000, 138412032) = 0 [pid 355] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 355] ioctl(5, LOOP_SET_FD, 3 [pid 356] <... openat resumed>) = 4 [pid 356] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 356] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 354] <... futex resumed>) = 0 [pid 354] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 354] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 356] <... futex resumed>) = 0 [pid 356] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 4, 0) = 0x200000000000 [pid 356] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 354] <... futex resumed>) = 0 [pid 354] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 354] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 356] <... futex resumed>) = 1 [pid 356] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 356] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 355] <... ioctl resumed>) = 0 [pid 356] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 354] <... futex resumed>) = 0 [pid 354] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 354] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 356] <... futex resumed>) = 1 [pid 356] creat(0x200000000040, 000) = 6 [pid 356] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 354] <... futex resumed>) = 0 [pid 354] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 354] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 356] <... futex resumed>) = 1 [pid 356] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 356] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 354] <... futex resumed>) = 0 [pid 354] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 354] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 356] <... futex resumed>) = 1 [pid 356] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 7 [pid 356] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 354] <... futex resumed>) = 0 [pid 354] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 354] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 356] <... futex resumed>) = 1 [pid 355] close(3) = 0 [pid 356] write(7, 0x200000000080, 34136651 [pid 355] close(5) = 0 [pid 355] mkdir(0x200000000240, 0777 [pid 356] <... write resumed>) = 131072 [pid 355] <... mkdir resumed>) = -1 ENOENT (No such file or directory) [pid 355] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [pid 355] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 355] ioctl(3, LOOP_CLR_FD) = 0 [pid 355] close(3 [pid 356] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 355] <... close resumed>) = 0 [pid 355] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 355] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 356] <... futex resumed>) = 1 [pid 356] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 354] <... futex resumed>) = 0 [pid 354] close(3) = -1 EBADF (Bad file descriptor) [pid 354] close(4) = 0 [pid 354] close(5) = -1 EBADF (Bad file descriptor) [pid 354] close(6) = 0 [ 26.734620][ T355] loop0: detected capacity change from 0 to 256 [pid 354] close(7) = 0 [pid 354] close(8) = -1 EBADF (Bad file descriptor) [pid 354] close(9) = -1 EBADF (Bad file descriptor) [pid 354] close(10) = -1 EBADF (Bad file descriptor) [pid 354] close(11) = -1 EBADF (Bad file descriptor) [pid 354] close(12) = -1 EBADF (Bad file descriptor) [pid 354] close(13) = -1 EBADF (Bad file descriptor) [pid 354] close(14) = -1 EBADF (Bad file descriptor) [pid 354] close(15) = -1 EBADF (Bad file descriptor) [pid 354] close(16) = -1 EBADF (Bad file descriptor) [pid 354] close(17) = -1 EBADF (Bad file descriptor) [pid 354] close(18) = -1 EBADF (Bad file descriptor) [pid 354] close(19) = -1 EBADF (Bad file descriptor) [pid 354] close(20) = -1 EBADF (Bad file descriptor) [pid 354] close(21) = -1 EBADF (Bad file descriptor) [pid 354] close(22) = -1 EBADF (Bad file descriptor) [pid 354] close(23) = -1 EBADF (Bad file descriptor) [pid 354] close(24) = -1 EBADF (Bad file descriptor) [pid 354] close(25) = -1 EBADF (Bad file descriptor) [pid 354] close(26) = -1 EBADF (Bad file descriptor) [pid 354] close(27) = -1 EBADF (Bad file descriptor) [pid 354] close(28) = -1 EBADF (Bad file descriptor) [pid 354] close(29) = -1 EBADF (Bad file descriptor) [pid 354] exit_group(0) = ? [pid 355] <... futex resumed>) = ? [pid 355] +++ exited with 0 +++ [pid 356] <... futex resumed>) = ? [pid 356] +++ exited with 0 +++ [pid 354] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=65, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program ./strace-static-x86_64: Process 357 attached , child_tidptr=0x55555756f750) = 68 [pid 357] set_robust_list(0x55555756f760, 24) = 0 [pid 357] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 357] setpgid(0, 0) = 0 [pid 357] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 357] write(3, "1000", 4) = 4 [pid 357] close(3) = 0 [pid 357] write(1, "executing program\n", 18) = 18 [pid 357] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 357] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 357] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 357] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 357] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 357] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 357] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0} => {parent_tid=[69]}, 88) = 69 [pid 357] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 357] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 357] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 357] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf61c000 [pid 357] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 357] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 357] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0} => {parent_tid=[70]}, 88) = 70 [pid 357] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 357] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 357] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 359 attached [pid 359] set_robust_list(0x7f43bf63c9a0, 24) = 0 [pid 359] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 359] openat(AT_FDCWD, "/selinux/policy", O_RDONLY./strace-static-x86_64: Process 358 attached [pid 358] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 358] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 358] memfd_create("syzkaller", 0) = 4 [pid 358] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b721c000 [pid 358] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 358] munmap(0x7f43b721c000, 138412032 [pid 359] <... openat resumed>) = 3 [pid 358] <... munmap resumed>) = 0 [pid 359] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 358] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 358] ioctl(5, LOOP_SET_FD, 4 [pid 359] <... futex resumed>) = 1 [pid 357] <... futex resumed>) = 0 [pid 357] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 357] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 358] <... ioctl resumed>) = 0 [pid 358] close(4) = 0 [pid 358] close(5) = 0 [pid 358] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 358] mount("/dev/loop0", "./file0", "exfat", MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "" [pid 359] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 359] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 357] <... futex resumed>) = 0 [pid 357] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 357] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 359] <... futex resumed>) = 1 [pid 359] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 359] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 359] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 357] <... futex resumed>) = 0 [pid 357] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 357] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 359] <... futex resumed>) = 1 [pid 359] creat(0x200000000040, 000) = 4 [pid 359] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 357] <... futex resumed>) = 0 [pid 357] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 357] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 359] <... futex resumed>) = 1 [pid 359] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 359] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 357] <... futex resumed>) = 0 [pid 357] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 357] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 359] <... futex resumed>) = 1 [pid 359] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 359] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 357] <... futex resumed>) = 0 [pid 357] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 357] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 359] <... futex resumed>) = 1 [pid 359] write(5, 0x200000000080, 34136651) = 131072 [pid 359] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 359] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 357] <... futex resumed>) = 0 [ 26.820578][ T358] loop0: detected capacity change from 0 to 256 [ 26.827842][ T358] exFAT-fs (loop0): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. [ 26.838719][ T358] exFAT-fs (loop0): Medium has reported failures. Some data may be lost. [ 26.851372][ T358] exFAT-fs (loop0): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d) [ 26.863863][ T358] exFAT-fs (loop0): failed to load alloc-bitmap [pid 358] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 358] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 6 [pid 358] ioctl(6, LOOP_CLR_FD) = 0 [pid 358] close(6) = 0 [pid 358] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 358] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 357] close(3) = 0 [pid 357] close(4) = 0 [ 26.870343][ T358] exFAT-fs (loop0): failed to recognize exfat type [pid 357] close(5) = 0 [pid 357] close(6) = -1 EBADF (Bad file descriptor) [pid 357] close(7) = -1 EBADF (Bad file descriptor) [pid 357] close(8) = -1 EBADF (Bad file descriptor) [pid 357] close(9) = -1 EBADF (Bad file descriptor) [pid 357] close(10) = -1 EBADF (Bad file descriptor) [pid 357] close(11) = -1 EBADF (Bad file descriptor) [pid 357] close(12) = -1 EBADF (Bad file descriptor) [pid 357] close(13) = -1 EBADF (Bad file descriptor) [pid 357] close(14) = -1 EBADF (Bad file descriptor) [pid 357] close(15) = -1 EBADF (Bad file descriptor) [pid 357] close(16) = -1 EBADF (Bad file descriptor) [pid 357] close(17) = -1 EBADF (Bad file descriptor) [pid 357] close(18) = -1 EBADF (Bad file descriptor) [pid 357] close(19) = -1 EBADF (Bad file descriptor) [pid 357] close(20) = -1 EBADF (Bad file descriptor) [pid 357] close(21) = -1 EBADF (Bad file descriptor) [pid 357] close(22) = -1 EBADF (Bad file descriptor) [pid 357] close(23) = -1 EBADF (Bad file descriptor) [pid 357] close(24) = -1 EBADF (Bad file descriptor) [pid 357] close(25) = -1 EBADF (Bad file descriptor) [pid 357] close(26) = -1 EBADF (Bad file descriptor) [pid 357] close(27) = -1 EBADF (Bad file descriptor) [pid 357] close(28) = -1 EBADF (Bad file descriptor) [pid 357] close(29) = -1 EBADF (Bad file descriptor) [pid 357] exit_group(0) = ? [pid 358] <... futex resumed>) = ? [pid 358] +++ exited with 0 +++ [pid 359] <... futex resumed>) = ? [pid 359] +++ exited with 0 +++ [pid 357] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=68, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3executing program ) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756f750) = 71 ./strace-static-x86_64: Process 360 attached [pid 360] set_robust_list(0x55555756f760, 24) = 0 [pid 360] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 360] setpgid(0, 0) = 0 [pid 360] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 360] write(3, "1000", 4) = 4 [pid 360] close(3) = 0 [pid 360] write(1, "executing program\n", 18) = 18 [pid 360] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 360] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 360] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 360] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 360] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 360] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 360] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0} => {parent_tid=[72]}, 88) = 72 [pid 360] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 360] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 360] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 360] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf61c000 [pid 360] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 360] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 360] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0} => {parent_tid=[73]}, 88) = 73 ./strace-static-x86_64: Process 362 attached ./strace-static-x86_64: Process 361 attached [pid 362] set_robust_list(0x7f43bf63c9a0, 24) = 0 [pid 361] set_robust_list(0x7f43bf65d9a0, 24 [pid 362] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 361] <... set_robust_list resumed>) = 0 [pid 362] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 360] rt_sigprocmask(SIG_SETMASK, [], [pid 361] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 360] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 361] memfd_create("syzkaller", 0 [pid 360] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 362] <... futex resumed>) = 0 [pid 362] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 360] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 361] <... memfd_create resumed>) = 4 [pid 361] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b721c000 [pid 361] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 361] munmap(0x7f43b721c000, 138412032) = 0 [pid 361] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 361] ioctl(5, LOOP_SET_FD, 4 [pid 362] <... openat resumed>) = 3 [pid 362] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 362] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 360] <... futex resumed>) = 0 [pid 360] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 360] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 362] <... futex resumed>) = 0 [pid 362] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 361] <... ioctl resumed>) = 0 [pid 362] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 361] close(4) = 0 [pid 361] close(5) = 0 [pid 361] mkdir(0x200000000240, 0777) = -1 ENOENT (No such file or directory) [pid 361] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [pid 361] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 361] ioctl(4, LOOP_CLR_FD) = 0 [pid 361] close(4) = 0 [pid 361] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 361] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 362] <... futex resumed>) = 1 [pid 360] <... futex resumed>) = 0 [pid 362] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 360] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 360] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 361] <... futex resumed>) = 0 [pid 361] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 361] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 360] <... futex resumed>) = 0 [pid 360] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 360] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 361] <... futex resumed>) = 1 [pid 361] creat(0x200000000040, 000) = 4 [pid 361] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 360] <... futex resumed>) = 0 [pid 360] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 360] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 361] <... futex resumed>) = 1 [pid 361] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 361] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 360] <... futex resumed>) = 0 [pid 360] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 360] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 361] <... futex resumed>) = 1 [pid 361] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 361] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 360] <... futex resumed>) = 0 [pid 360] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 360] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 361] <... futex resumed>) = 1 [pid 361] write(5, 0x200000000080, 34136651) = 131072 [pid 361] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 360] <... futex resumed>) = 0 [pid 360] close(3) = 0 [pid 360] close(4) = 0 [pid 360] close(5 [pid 361] <... futex resumed>) = 1 [pid 361] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 360] <... close resumed>) = 0 [pid 360] close(6) = -1 EBADF (Bad file descriptor) [pid 360] close(7) = -1 EBADF (Bad file descriptor) [pid 360] close(8) = -1 EBADF (Bad file descriptor) [pid 360] close(9) = -1 EBADF (Bad file descriptor) [pid 360] close(10) = -1 EBADF (Bad file descriptor) [pid 360] close(11) = -1 EBADF (Bad file descriptor) [pid 360] close(12) = -1 EBADF (Bad file descriptor) [pid 360] close(13) = -1 EBADF (Bad file descriptor) [pid 360] close(14) = -1 EBADF (Bad file descriptor) [pid 360] close(15) = -1 EBADF (Bad file descriptor) [pid 360] close(16) = -1 EBADF (Bad file descriptor) [pid 360] close(17) = -1 EBADF (Bad file descriptor) [pid 360] close(18) = -1 EBADF (Bad file descriptor) [pid 360] close(19) = -1 EBADF (Bad file descriptor) [pid 360] close(20) = -1 EBADF (Bad file descriptor) [pid 360] close(21) = -1 EBADF (Bad file descriptor) [pid 360] close(22) = -1 EBADF (Bad file descriptor) [pid 360] close(23) = -1 EBADF (Bad file descriptor) [pid 360] close(24) = -1 EBADF (Bad file descriptor) [pid 360] close(25) = -1 EBADF (Bad file descriptor) [pid 360] close(26) = -1 EBADF (Bad file descriptor) [pid 360] close(27) = -1 EBADF (Bad file descriptor) [pid 360] close(28) = -1 EBADF (Bad file descriptor) [pid 360] close(29) = -1 EBADF (Bad file descriptor) [pid 360] exit_group(0) = ? [pid 362] <... futex resumed>) = ? [pid 362] +++ exited with 0 +++ [pid 361] <... futex resumed>) = 231 [pid 361] +++ exited with 0 +++ [pid 360] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=71, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program , child_tidptr=0x55555756f750) = 74 ./strace-static-x86_64: Process 363 attached [pid 363] set_robust_list(0x55555756f760, 24) = 0 [pid 363] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 363] setpgid(0, 0) = 0 [pid 363] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 363] write(3, "1000", 4) = 4 [pid 363] close(3) = 0 [pid 363] write(1, "executing program\n", 18) = 18 [pid 363] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 363] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 363] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 363] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 363] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 363] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 363] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0} => {parent_tid=[75]}, 88) = 75 [pid 363] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 363] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 363] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 363] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf61c000 [pid 363] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 363] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 363] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0} => {parent_tid=[76]}, 88) = 76 [pid 363] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 363] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 363] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 365 attached [pid 365] set_robust_list(0x7f43bf63c9a0, 24) = 0 [pid 365] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 365] openat(AT_FDCWD, "/selinux/policy", O_RDONLY./strace-static-x86_64: Process 364 attached [pid 364] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 364] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 364] memfd_create("syzkaller", 0) = 4 [pid 364] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b721c000 [pid 364] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 365] <... openat resumed>) = 3 [pid 365] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 363] <... futex resumed>) = 0 [pid 363] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 363] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 365] <... futex resumed>) = 1 [pid 365] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 365] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 363] <... futex resumed>) = 0 [pid 363] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 363] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 365] <... futex resumed>) = 1 [pid 365] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 365] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 365] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 363] <... futex resumed>) = 0 [pid 363] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 363] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 365] <... futex resumed>) = 1 [pid 365] creat(0x200000000040, 000) = 5 [pid 365] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 363] <... futex resumed>) = 0 [pid 363] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 363] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 365] <... futex resumed>) = 1 [pid 365] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 365] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 363] <... futex resumed>) = 0 [pid 363] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 363] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 365] <... futex resumed>) = 1 [pid 365] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 6 [pid 365] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 363] <... futex resumed>) = 0 [pid 363] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 363] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 365] <... futex resumed>) = 1 [pid 365] write(6, 0x200000000080, 34136651) = -1 ENOSPC (No space left on device) [pid 365] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 363] <... futex resumed>) = 0 [pid 365] <... futex resumed>) = 1 [pid 365] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 364] <... write resumed>) = 131072 [pid 364] munmap(0x7f43b721c000, 138412032) = 0 [pid 364] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 7 [ 26.958088][ T361] loop0: detected capacity change from 0 to 256 [pid 364] ioctl(7, LOOP_SET_FD, 4) = 0 [pid 364] close(4) = 0 [pid 364] close(7) = 0 [pid 364] mkdir(0x200000000240, 0777) = -1 ENOENT (No such file or directory) [pid 364] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [pid 364] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 364] ioctl(4, LOOP_CLR_FD) = 0 [pid 364] close(4) = 0 [pid 364] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 364] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 363] close(3) = 0 [pid 363] close(4) = -1 EBADF (Bad file descriptor) [pid 363] close(5) = 0 [pid 363] close(6) = 0 [pid 363] close(7) = -1 EBADF (Bad file descriptor) [pid 363] close(8) = -1 EBADF (Bad file descriptor) [pid 363] close(9) = -1 EBADF (Bad file descriptor) [pid 363] close(10) = -1 EBADF (Bad file descriptor) [pid 363] close(11) = -1 EBADF (Bad file descriptor) [pid 363] close(12) = -1 EBADF (Bad file descriptor) [pid 363] close(13) = -1 EBADF (Bad file descriptor) [pid 363] close(14) = -1 EBADF (Bad file descriptor) [pid 363] close(15) = -1 EBADF (Bad file descriptor) [pid 363] close(16) = -1 EBADF (Bad file descriptor) [pid 363] close(17) = -1 EBADF (Bad file descriptor) [pid 363] close(18) = -1 EBADF (Bad file descriptor) [pid 363] close(19) = -1 EBADF (Bad file descriptor) [pid 363] close(20) = -1 EBADF (Bad file descriptor) [pid 363] close(21) = -1 EBADF (Bad file descriptor) [pid 363] close(22) = -1 EBADF (Bad file descriptor) [pid 363] close(23) = -1 EBADF (Bad file descriptor) [pid 363] close(24) = -1 EBADF (Bad file descriptor) [pid 363] close(25) = -1 EBADF (Bad file descriptor) [pid 363] close(26) = -1 EBADF (Bad file descriptor) [pid 363] close(27) = -1 EBADF (Bad file descriptor) [pid 363] close(28) = -1 EBADF (Bad file descriptor) [pid 363] close(29) = -1 EBADF (Bad file descriptor) [pid 363] exit_group(0) = ? [pid 364] <... futex resumed>) = ? [pid 365] <... futex resumed>) = ? [pid 364] +++ exited with 0 +++ [pid 365] +++ exited with 0 +++ [pid 363] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=74, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 executing program [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756f750) = 77 ./strace-static-x86_64: Process 366 attached [pid 366] set_robust_list(0x55555756f760, 24) = 0 [pid 366] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 366] setpgid(0, 0) = 0 [pid 366] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 366] write(3, "1000", 4) = 4 [pid 366] close(3) = 0 [pid 366] write(1, "executing program\n", 18) = 18 [pid 366] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 366] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 366] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 366] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 366] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 366] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 366] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0} => {parent_tid=[78]}, 88) = 78 [pid 366] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 366] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 366] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 366] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf61c000 [pid 366] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 366] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 366] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0} => {parent_tid=[79]}, 88) = 79 [pid 366] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 366] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 366] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 368 attached [pid 368] set_robust_list(0x7f43bf63c9a0, 24) = 0 [pid 368] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 368] openat(AT_FDCWD, "/selinux/policy", O_RDONLY./strace-static-x86_64: Process 367 attached [pid 367] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 367] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 367] memfd_create("syzkaller", 0) = 4 [pid 367] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b721c000 [pid 367] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 367] munmap(0x7f43b721c000, 138412032) = 0 [pid 367] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [ 27.006846][ T364] loop0: detected capacity change from 0 to 256 [pid 367] ioctl(5, LOOP_SET_FD, 4 [pid 368] <... openat resumed>) = 3 [pid 368] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 366] <... futex resumed>) = 0 [pid 366] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 366] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 368] <... futex resumed>) = 1 [pid 368] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 368] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 366] <... futex resumed>) = 0 [pid 366] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 366] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 368] <... futex resumed>) = 1 [pid 368] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 368] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 368] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 366] <... futex resumed>) = 0 [pid 366] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 366] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 368] <... futex resumed>) = 1 [pid 368] creat(0x200000000040, 000) = 6 [pid 368] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 366] <... futex resumed>) = 0 [pid 366] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 366] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 368] <... futex resumed>) = 1 [pid 368] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 368] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 366] <... futex resumed>) = 0 [pid 366] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 366] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 368] <... futex resumed>) = 1 [pid 368] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 7 [pid 368] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 366] <... futex resumed>) = 0 [pid 366] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 366] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 368] <... futex resumed>) = 1 [pid 368] write(7, 0x200000000080, 34136651) = 131072 [pid 368] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 366] <... futex resumed>) = 0 [pid 368] <... futex resumed>) = 1 [pid 368] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 367] <... ioctl resumed>) = 0 [pid 367] close(4) = 0 [pid 367] close(5) = 0 [pid 367] mkdir(0x200000000240, 0777) = -1 ENOENT (No such file or directory) [pid 367] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [pid 367] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 367] ioctl(4, LOOP_CLR_FD) = 0 [pid 367] close(4) = 0 [pid 367] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 367] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 366] close(3) = 0 [pid 366] close(4) = -1 EBADF (Bad file descriptor) [pid 366] close(5) = -1 EBADF (Bad file descriptor) [pid 366] close(6) = 0 [pid 366] close(7) = 0 [pid 366] close(8) = -1 EBADF (Bad file descriptor) [pid 366] close(9) = -1 EBADF (Bad file descriptor) [pid 366] close(10) = -1 EBADF (Bad file descriptor) [pid 366] close(11) = -1 EBADF (Bad file descriptor) [pid 366] close(12) = -1 EBADF (Bad file descriptor) [pid 366] close(13) = -1 EBADF (Bad file descriptor) [pid 366] close(14) = -1 EBADF (Bad file descriptor) [pid 366] close(15) = -1 EBADF (Bad file descriptor) [pid 366] close(16) = -1 EBADF (Bad file descriptor) [pid 366] close(17) = -1 EBADF (Bad file descriptor) [pid 366] close(18) = -1 EBADF (Bad file descriptor) [pid 366] close(19) = -1 EBADF (Bad file descriptor) [pid 366] close(20) = -1 EBADF (Bad file descriptor) [pid 366] close(21) = -1 EBADF (Bad file descriptor) [pid 366] close(22) = -1 EBADF (Bad file descriptor) [pid 366] close(23) = -1 EBADF (Bad file descriptor) [pid 366] close(24) = -1 EBADF (Bad file descriptor) [pid 366] close(25) = -1 EBADF (Bad file descriptor) [pid 366] close(26) = -1 EBADF (Bad file descriptor) [pid 366] close(27) = -1 EBADF (Bad file descriptor) [pid 366] close(28) = -1 EBADF (Bad file descriptor) [pid 366] close(29) = -1 EBADF (Bad file descriptor) [pid 366] exit_group(0) = ? [pid 368] <... futex resumed>) = ? [pid 367] <... futex resumed>) = ? [pid 368] +++ exited with 0 +++ [pid 367] +++ exited with 0 +++ [pid 366] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=77, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 executing program [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756f750) = 80 ./strace-static-x86_64: Process 369 attached [pid 369] set_robust_list(0x55555756f760, 24) = 0 [pid 369] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 369] setpgid(0, 0) = 0 [pid 369] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 369] write(3, "1000", 4) = 4 [pid 369] close(3) = 0 [pid 369] write(1, "executing program\n", 18) = 18 [pid 369] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 369] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 369] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 369] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 369] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 369] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 369] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0} => {parent_tid=[81]}, 88) = 81 [pid 369] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 369] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 369] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 369] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf61c000 [pid 369] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 369] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 369] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0} => {parent_tid=[82]}, 88) = 82 [pid 369] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 369] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 369] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 371 attached [pid 371] set_robust_list(0x7f43bf63c9a0, 24) = 0 [pid 371] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 371] openat(AT_FDCWD, "/selinux/policy", O_RDONLY./strace-static-x86_64: Process 370 attached [pid 370] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 370] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 370] memfd_create("syzkaller", 0) = 4 [pid 370] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b721c000 [pid 371] <... openat resumed>) = 3 [pid 371] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 369] <... futex resumed>) = 0 [pid 369] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 369] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 371] <... futex resumed>) = 1 [pid 371] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 371] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 369] <... futex resumed>) = 0 [pid 369] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 369] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 371] <... futex resumed>) = 1 [pid 371] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 371] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 371] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 369] <... futex resumed>) = 0 [pid 369] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 369] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 371] <... futex resumed>) = 1 [pid 371] creat(0x200000000040, 000) = 5 [pid 371] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 369] <... futex resumed>) = 0 [pid 369] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 369] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 371] <... futex resumed>) = 1 [pid 371] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 371] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 369] <... futex resumed>) = 0 [pid 369] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 369] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 371] <... futex resumed>) = 1 [pid 371] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 6 [pid 371] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 369] <... futex resumed>) = 0 [pid 369] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 369] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 371] <... futex resumed>) = 1 [pid 371] write(6, 0x200000000080, 34136651) = -1 ENOSPC (No space left on device) [pid 371] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 369] <... futex resumed>) = 0 [pid 371] <... futex resumed>) = 1 [pid 371] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 370] munmap(0x7f43b721c000, 138412032) = 0 [pid 370] close(4) = 0 [pid 370] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 370] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 369] close(3) = 0 [pid 369] close(4) = -1 EBADF (Bad file descriptor) [pid 369] close(5) = 0 [pid 369] close(6) = 0 [pid 369] close(7) = -1 EBADF (Bad file descriptor) [pid 369] close(8) = -1 EBADF (Bad file descriptor) [pid 369] close(9) = -1 EBADF (Bad file descriptor) [pid 369] close(10) = -1 EBADF (Bad file descriptor) [pid 369] close(11) = -1 EBADF (Bad file descriptor) [pid 369] close(12) = -1 EBADF (Bad file descriptor) [pid 369] close(13) = -1 EBADF (Bad file descriptor) [pid 369] close(14) = -1 EBADF (Bad file descriptor) [pid 369] close(15) = -1 EBADF (Bad file descriptor) [pid 369] close(16) = -1 EBADF (Bad file descriptor) [pid 369] close(17) = -1 EBADF (Bad file descriptor) [pid 369] close(18) = -1 EBADF (Bad file descriptor) [pid 369] close(19) = -1 EBADF (Bad file descriptor) [pid 369] close(20) = -1 EBADF (Bad file descriptor) [pid 369] close(21) = -1 EBADF (Bad file descriptor) [pid 369] close(22) = -1 EBADF (Bad file descriptor) [pid 369] close(23) = -1 EBADF (Bad file descriptor) [pid 369] close(24) = -1 EBADF (Bad file descriptor) [pid 369] close(25) = -1 EBADF (Bad file descriptor) [pid 369] close(26) = -1 EBADF (Bad file descriptor) [pid 369] close(27) = -1 EBADF (Bad file descriptor) [pid 369] close(28) = -1 EBADF (Bad file descriptor) [pid 369] close(29) = -1 EBADF (Bad file descriptor) [pid 369] exit_group(0) = ? [pid 370] <... futex resumed>) = ? [pid 370] +++ exited with 0 +++ [pid 371] <... futex resumed>) = ? [pid 371] +++ exited with 0 +++ [pid 369] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=80, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [ 27.060400][ T367] loop0: detected capacity change from 0 to 256 [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program , child_tidptr=0x55555756f750) = 83 ./strace-static-x86_64: Process 372 attached [pid 372] set_robust_list(0x55555756f760, 24) = 0 [pid 372] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 372] setpgid(0, 0) = 0 [pid 372] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 372] write(3, "1000", 4) = 4 [pid 372] close(3) = 0 [pid 372] write(1, "executing program\n", 18) = 18 [pid 372] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 372] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 372] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 372] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 372] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 372] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 372] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0} => {parent_tid=[84]}, 88) = 84 [pid 372] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 372] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 372] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 372] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf61c000 [pid 372] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 372] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 372] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0} => {parent_tid=[85]}, 88) = 85 [pid 372] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 372] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 372] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 373 attached [pid 373] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 373] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 373] memfd_create("syzkaller", 0) = 3 [pid 373] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b721c000 ./strace-static-x86_64: Process 374 attached [pid 374] set_robust_list(0x7f43bf63c9a0, 24) = 0 [pid 374] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 374] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 373] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 373] munmap(0x7f43b721c000, 138412032) = 0 [pid 373] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 373] ioctl(5, LOOP_SET_FD, 3 [pid 374] <... openat resumed>) = 4 [pid 374] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 372] <... futex resumed>) = 0 [pid 372] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 372] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 374] <... futex resumed>) = 1 [pid 374] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 4, 0) = 0x200000000000 [pid 374] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 372] <... futex resumed>) = 0 [pid 372] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 372] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 374] <... futex resumed>) = 1 [pid 374] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 374] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 374] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 372] <... futex resumed>) = 0 [pid 372] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 372] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 374] <... futex resumed>) = 1 [pid 374] creat(0x200000000040, 000 [pid 373] <... ioctl resumed>) = 0 [pid 373] close(3) = 0 [pid 373] close(5 [pid 374] <... creat resumed>) = 6 [pid 373] <... close resumed>) = 0 [pid 374] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 372] <... futex resumed>) = 0 [pid 372] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 372] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 374] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 373] mkdir(0x200000000240, 0777) = -1 ENOENT (No such file or directory) [pid 373] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [pid 374] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 372] <... futex resumed>) = 0 [pid 372] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 372] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 374] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c [pid 373] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 373] ioctl(5, LOOP_CLR_FD) = 0 [pid 373] close(5) = 0 [pid 373] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 373] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 374] <... open resumed>) = 3 [pid 374] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 372] <... futex resumed>) = 0 [pid 372] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 372] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 373] <... futex resumed>) = 0 [pid 373] write(3, 0x200000000080, 34136651 [pid 374] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 373] <... write resumed>) = 131072 [pid 373] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 372] <... futex resumed>) = 0 [pid 372] close(3) = 0 [pid 372] close(4) = 0 [pid 372] close(5) = -1 EBADF (Bad file descriptor) [pid 372] close(6) = 0 [pid 372] close(7) = -1 EBADF (Bad file descriptor) [pid 372] close(8) = -1 EBADF (Bad file descriptor) [pid 372] close(9) = -1 EBADF (Bad file descriptor) [pid 372] close(10) = -1 EBADF (Bad file descriptor) [pid 372] close(11) = -1 EBADF (Bad file descriptor) [pid 372] close(12) = -1 EBADF (Bad file descriptor) [pid 372] close(13) = -1 EBADF (Bad file descriptor) [pid 372] close(14) = -1 EBADF (Bad file descriptor) [pid 372] close(15) = -1 EBADF (Bad file descriptor) [pid 372] close(16) = -1 EBADF (Bad file descriptor) [pid 372] close(17) = -1 EBADF (Bad file descriptor) [pid 372] close(18) = -1 EBADF (Bad file descriptor) [pid 372] close(19) = -1 EBADF (Bad file descriptor) [pid 372] close(20) = -1 EBADF (Bad file descriptor) [pid 372] close(21) = -1 EBADF (Bad file descriptor) [pid 372] close(22) = -1 EBADF (Bad file descriptor) [pid 372] close(23) = -1 EBADF (Bad file descriptor) [pid 372] close(24) = -1 EBADF (Bad file descriptor) [pid 372] close(25) = -1 EBADF (Bad file descriptor) [pid 372] close(26) = -1 EBADF (Bad file descriptor) [pid 372] close(27) = -1 EBADF (Bad file descriptor) [pid 372] close(28) = -1 EBADF (Bad file descriptor) [pid 372] close(29) = -1 EBADF (Bad file descriptor) [pid 372] exit_group(0) = ? [pid 374] <... futex resumed>) = ? [pid 374] +++ exited with 0 +++ [pid 373] +++ exited with 0 +++ [pid 372] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=83, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [ 27.134178][ T373] loop0: detected capacity change from 0 to 256 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 375 attached , child_tidptr=0x55555756f750) = 86 [pid 375] set_robust_list(0x55555756f760, 24) = 0 [pid 375] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 375] setpgid(0, 0) = 0 [pid 375] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 375] write(3, "1000", 4) = 4 [pid 375] close(3) = 0 [pid 375] write(1, "executing program\n", 18executing program ) = 18 [pid 375] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 375] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 375] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 375] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 375] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 375] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 375] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0} => {parent_tid=[87]}, 88) = 87 [pid 375] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 375] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 375] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 375] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf61c000 [pid 375] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 375] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 375] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0} => {parent_tid=[88]}, 88) = 88 [pid 375] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 375] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 375] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 376 attached [pid 376] set_robust_list(0x7f43bf65d9a0, 24) = 0 ./strace-static-x86_64: Process 377 attached [pid 376] rt_sigprocmask(SIG_SETMASK, [], [pid 377] set_robust_list(0x7f43bf63c9a0, 24) = 0 [pid 377] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 377] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 376] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 376] memfd_create("syzkaller", 0) = 4 [pid 376] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b721c000 [pid 376] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 376] munmap(0x7f43b721c000, 138412032) = 0 [pid 376] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 376] ioctl(5, LOOP_SET_FD, 4 [pid 377] <... openat resumed>) = 3 [pid 377] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 375] <... futex resumed>) = 0 [pid 375] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 375] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 377] <... futex resumed>) = 1 [pid 377] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 377] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 375] <... futex resumed>) = 0 [pid 375] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 375] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 377] <... futex resumed>) = 1 [pid 377] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 377] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 377] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 375] <... futex resumed>) = 0 [pid 375] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 375] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 377] <... futex resumed>) = 1 [pid 377] creat(0x200000000040, 000) = 6 [pid 377] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 375] <... futex resumed>) = 0 [pid 375] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 375] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 377] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 377] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 375] <... futex resumed>) = 0 [pid 375] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 375] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 377] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 7 [pid 377] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 375] <... futex resumed>) = 0 [pid 375] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 375] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 377] write(7, 0x200000000080, 34136651 [pid 376] <... ioctl resumed>) = 0 [pid 376] close(4) = 0 [pid 376] close(5) = 0 [pid 376] mkdir(0x200000000240, 0777) = -1 ENOENT (No such file or directory) [pid 376] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [pid 376] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 376] ioctl(4, LOOP_CLR_FD) = 0 [pid 376] close(4) = 0 [pid 376] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 376] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 377] <... write resumed>) = 131072 [pid 377] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 375] <... futex resumed>) = 0 [pid 375] close(3) = 0 [pid 375] close(4) = -1 EBADF (Bad file descriptor) [pid 375] close(5) = -1 EBADF (Bad file descriptor) [pid 375] close(6) = 0 [pid 375] close(7) = 0 [pid 375] close(8) = -1 EBADF (Bad file descriptor) [pid 375] close(9) = -1 EBADF (Bad file descriptor) [pid 375] close(10) = -1 EBADF (Bad file descriptor) [pid 375] close(11) = -1 EBADF (Bad file descriptor) [pid 375] close(12) = -1 EBADF (Bad file descriptor) [pid 375] close(13) = -1 EBADF (Bad file descriptor) [pid 375] close(14) = -1 EBADF (Bad file descriptor) [pid 375] close(15) = -1 EBADF (Bad file descriptor) [pid 375] close(16) = -1 EBADF (Bad file descriptor) [pid 375] close(17) = -1 EBADF (Bad file descriptor) [pid 375] close(18 [pid 377] <... futex resumed>) = 1 [pid 375] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 377] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 375] close(19) = -1 EBADF (Bad file descriptor) [pid 375] close(20) = -1 EBADF (Bad file descriptor) [pid 375] close(21) = -1 EBADF (Bad file descriptor) [pid 375] close(22) = -1 EBADF (Bad file descriptor) [pid 375] close(23) = -1 EBADF (Bad file descriptor) [pid 375] close(24) = -1 EBADF (Bad file descriptor) [pid 375] close(25) = -1 EBADF (Bad file descriptor) [pid 375] close(26) = -1 EBADF (Bad file descriptor) [pid 375] close(27) = -1 EBADF (Bad file descriptor) [pid 375] close(28) = -1 EBADF (Bad file descriptor) [pid 375] close(29) = -1 EBADF (Bad file descriptor) [pid 375] exit_group(0 [pid 377] <... futex resumed>) = ? [pid 375] <... exit_group resumed>) = ? [pid 377] +++ exited with 0 +++ [pid 376] <... futex resumed>) = ? [pid 376] +++ exited with 0 +++ [pid 375] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=86, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756f750) = 89 ./strace-static-x86_64: Process 378 attached [pid 378] set_robust_list(0x55555756f760, 24) = 0 [pid 378] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 378] setpgid(0, 0) = 0 [pid 378] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 378] write(3, "1000", 4) = 4 [pid 378] close(3) = 0 [pid 378] write(1, "executing program\n", 18executing program ) = 18 [pid 378] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 378] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 378] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 378] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 378] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 378] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 378] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0} => {parent_tid=[90]}, 88) = 90 [pid 378] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 378] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 378] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 378] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf61c000 [pid 378] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 378] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 378] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0} => {parent_tid=[91]}, 88) = 91 [pid 378] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 378] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 380 attached ./strace-static-x86_64: Process 379 attached [pid 380] set_robust_list(0x7f43bf63c9a0, 24 [pid 378] <... futex resumed>) = 0 [pid 380] <... set_robust_list resumed>) = 0 [ 27.217052][ T376] loop0: detected capacity change from 0 to 256 [pid 380] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 380] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 378] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 379] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 379] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 379] memfd_create("syzkaller", 0) = 4 [pid 379] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b721c000 [pid 379] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 379] munmap(0x7f43b721c000, 138412032) = 0 [pid 379] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 379] ioctl(5, LOOP_SET_FD, 4 [pid 380] <... openat resumed>) = 3 [pid 380] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 380] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 378] <... futex resumed>) = 0 [pid 378] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 378] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 380] <... futex resumed>) = 0 [pid 380] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 380] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 379] <... ioctl resumed>) = 0 [pid 379] close(4) = 0 [pid 379] close(5 [pid 380] <... futex resumed>) = 1 [pid 380] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 378] <... futex resumed>) = 0 [pid 380] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 378] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 378] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 380] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 380] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 380] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 378] <... futex resumed>) = 0 [pid 380] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 378] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000 [pid 380] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 378] <... futex resumed>) = 0 [pid 378] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 380] creat(0x200000000040, 000 [pid 379] <... close resumed>) = 0 [pid 379] mkdir(0x200000000240, 0777) = -1 ENOENT (No such file or directory) [pid 379] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [pid 379] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 378] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 378] futex(0x7f43bf72a62c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 378] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf5fb000 [pid 378] mprotect(0x7f43bf5fc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 378] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 378] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf61b990, parent_tid=0x7f43bf61b990, exit_signal=0, stack=0x7f43bf5fb000, stack_size=0x20240, tls=0x7f43bf61b6c0} => {parent_tid=[92]}, 88) = 92 [pid 378] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 378] futex(0x7f43bf72a628, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 27.274445][ T379] loop0: detected capacity change from 0 to 256 [pid 378] futex(0x7f43bf72a62c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 381 attached [pid 381] set_robust_list(0x7f43bf61b9a0, 24) = 0 [pid 381] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 381] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 381] futex(0x7f43bf72a62c, FUTEX_WAKE_PRIVATE, 1000000 [pid 378] <... futex resumed>) = 0 [pid 378] futex(0x7f43bf72a628, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 378] futex(0x7f43bf72a62c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 381] <... futex resumed>) = 1 [pid 381] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 6 [pid 380] <... creat resumed>) = 4 [pid 379] <... openat resumed>) = 5 [pid 379] ioctl(5, LOOP_CLR_FD) = 0 [pid 379] close(5) = 0 [pid 379] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 379] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 380] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 380] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 381] futex(0x7f43bf72a62c, FUTEX_WAKE_PRIVATE, 1000000 [pid 378] <... futex resumed>) = 0 [pid 378] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 378] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 379] <... futex resumed>) = 0 [pid 379] write(6, 0x200000000080, 34136651 [pid 381] <... futex resumed>) = 1 [pid 381] futex(0x7f43bf72a628, FUTEX_WAIT_PRIVATE, 0, NULL [pid 379] <... write resumed>) = 131072 [pid 379] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 378] <... futex resumed>) = 0 [pid 378] close(3) = 0 [pid 378] close(4) = 0 [pid 378] close(5) = -1 EBADF (Bad file descriptor) [pid 378] close(6) = 0 [pid 378] close(7) = -1 EBADF (Bad file descriptor) [pid 378] close(8) = -1 EBADF (Bad file descriptor) [pid 378] close(9) = -1 EBADF (Bad file descriptor) [pid 378] close(10) = -1 EBADF (Bad file descriptor) [pid 378] close(11) = -1 EBADF (Bad file descriptor) [pid 378] close(12) = -1 EBADF (Bad file descriptor) [pid 378] close(13) = -1 EBADF (Bad file descriptor) [pid 378] close(14) = -1 EBADF (Bad file descriptor) [pid 378] close(15) = -1 EBADF (Bad file descriptor) [pid 378] close(16) = -1 EBADF (Bad file descriptor) [pid 378] close(17) = -1 EBADF (Bad file descriptor) [pid 378] close(18) = -1 EBADF (Bad file descriptor) [pid 378] close(19) = -1 EBADF (Bad file descriptor) [pid 378] close(20) = -1 EBADF (Bad file descriptor) [pid 378] close(21) = -1 EBADF (Bad file descriptor) [pid 379] <... futex resumed>) = 1 [pid 378] close(22) = -1 EBADF (Bad file descriptor) [pid 378] close(23) = -1 EBADF (Bad file descriptor) [pid 378] close(24) = -1 EBADF (Bad file descriptor) [pid 378] close(25) = -1 EBADF (Bad file descriptor) [pid 378] close(26) = -1 EBADF (Bad file descriptor) [pid 378] close(27) = -1 EBADF (Bad file descriptor) [pid 378] close(28) = -1 EBADF (Bad file descriptor) [pid 378] close(29) = -1 EBADF (Bad file descriptor) [pid 378] exit_group(0) = ? [pid 380] <... futex resumed>) = ? [pid 380] +++ exited with 0 +++ [pid 381] <... futex resumed>) = ? [pid 379] +++ exited with 0 +++ [pid 381] +++ exited with 0 +++ [pid 378] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=89, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756f750) = 93 ./strace-static-x86_64: Process 382 attached [pid 382] set_robust_list(0x55555756f760, 24) = 0 [pid 382] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 executing program [pid 382] setpgid(0, 0) = 0 [pid 382] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 382] write(3, "1000", 4) = 4 [pid 382] close(3) = 0 [pid 382] write(1, "executing program\n", 18) = 18 [pid 382] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 382] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 382] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 382] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 382] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 382] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 382] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0} => {parent_tid=[94]}, 88) = 94 [pid 382] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 382] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 382] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 382] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf61c000 [pid 382] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 382] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 382] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0} => {parent_tid=[95]}, 88) = 95 [pid 382] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 382] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 382] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 384 attached [pid 384] set_robust_list(0x7f43bf63c9a0, 24) = 0 [pid 384] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 384] openat(AT_FDCWD, "/selinux/policy", O_RDONLY./strace-static-x86_64: Process 383 attached [pid 383] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 383] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 383] memfd_create("syzkaller", 0) = 4 [pid 383] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b721c000 [pid 383] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 384] <... openat resumed>) = 3 [pid 384] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 382] <... futex resumed>) = 0 [pid 382] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 382] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 384] <... futex resumed>) = 1 [pid 384] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 384] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 382] <... futex resumed>) = 0 [pid 382] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 382] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 384] <... futex resumed>) = 1 [pid 384] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 384] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 384] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 382] <... futex resumed>) = 0 [pid 382] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 382] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 384] <... futex resumed>) = 1 [pid 384] creat(0x200000000040, 000) = 5 [pid 384] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 382] <... futex resumed>) = 0 [pid 382] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 382] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 384] <... futex resumed>) = 1 [pid 384] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 384] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 382] <... futex resumed>) = 0 [pid 382] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 382] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 384] <... futex resumed>) = 1 [pid 384] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 6 [pid 384] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 382] <... futex resumed>) = 0 [pid 382] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 382] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 384] <... futex resumed>) = 1 [pid 384] write(6, 0x200000000080, 34136651) = -1 ENOSPC (No space left on device) [pid 384] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 382] <... futex resumed>) = 0 [pid 384] <... futex resumed>) = 1 [pid 384] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 383] <... write resumed>) = 131072 [pid 383] munmap(0x7f43b721c000, 138412032) = 0 [pid 383] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 7 [pid 383] ioctl(7, LOOP_SET_FD, 4) = 0 [pid 383] close(4) = 0 [pid 383] close(7) = 0 [pid 383] mkdir(0x200000000240, 0777) = -1 ENOENT (No such file or directory) [pid 383] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [pid 383] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 383] ioctl(4, LOOP_CLR_FD) = 0 [pid 383] close(4) = 0 [pid 383] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 382] close(3) = 0 [pid 383] <... futex resumed>) = 0 [pid 382] close(4) = -1 EBADF (Bad file descriptor) [pid 382] close(5) = 0 [pid 382] close(6) = 0 [pid 382] close(7) = -1 EBADF (Bad file descriptor) [pid 382] close(8) = -1 EBADF (Bad file descriptor) [pid 382] close(9) = -1 EBADF (Bad file descriptor) [pid 382] close(10) = -1 EBADF (Bad file descriptor) [pid 382] close(11) = -1 EBADF (Bad file descriptor) [pid 382] close(12) = -1 EBADF (Bad file descriptor) [pid 382] close(13) = -1 EBADF (Bad file descriptor) [pid 383] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 382] close(14) = -1 EBADF (Bad file descriptor) [pid 382] close(15) = -1 EBADF (Bad file descriptor) [pid 382] close(16) = -1 EBADF (Bad file descriptor) [pid 382] close(17) = -1 EBADF (Bad file descriptor) [pid 382] close(18) = -1 EBADF (Bad file descriptor) [pid 382] close(19) = -1 EBADF (Bad file descriptor) [pid 382] close(20) = -1 EBADF (Bad file descriptor) [pid 382] close(21) = -1 EBADF (Bad file descriptor) [pid 382] close(22) = -1 EBADF (Bad file descriptor) [pid 382] close(23) = -1 EBADF (Bad file descriptor) [pid 382] close(24) = -1 EBADF (Bad file descriptor) [pid 382] close(25) = -1 EBADF (Bad file descriptor) [pid 382] close(26) = -1 EBADF (Bad file descriptor) [pid 382] close(27) = -1 EBADF (Bad file descriptor) [pid 382] close(28) = -1 EBADF (Bad file descriptor) [pid 382] close(29) = -1 EBADF (Bad file descriptor) [pid 382] exit_group(0 [pid 384] <... futex resumed>) = 231 [pid 382] <... exit_group resumed>) = ? [pid 383] <... futex resumed>) = ? [pid 384] +++ exited with 0 +++ [pid 383] +++ exited with 0 +++ [pid 382] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=93, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [ 27.427295][ T383] loop0: detected capacity change from 0 to 256 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756f750) = 96 ./strace-static-x86_64: Process 385 attached [pid 385] set_robust_list(0x55555756f760, 24) = 0 [pid 385] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 385] setpgid(0, 0) = 0 [pid 385] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 385] write(3, "1000", 4) = 4 [pid 385] close(3) = 0 [pid 385] write(1, "executing program\n", 18executing program ) = 18 [pid 385] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 385] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 385] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 385] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 385] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 385] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 385] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0} => {parent_tid=[97]}, 88) = 97 [pid 385] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 385] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 385] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 385] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf61c000 [pid 385] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 385] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 385] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0} => {parent_tid=[98]}, 88) = 98 [pid 385] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 385] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 385] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 387 attached [pid 387] set_robust_list(0x7f43bf63c9a0, 24) = 0 [pid 387] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 387] openat(AT_FDCWD, "/selinux/policy", O_RDONLY./strace-static-x86_64: Process 386 attached [pid 386] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 386] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 386] memfd_create("syzkaller", 0) = 4 [pid 386] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b721c000 [pid 386] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 386] munmap(0x7f43b721c000, 138412032) = 0 [pid 386] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 386] ioctl(5, LOOP_SET_FD, 4 [pid 387] <... openat resumed>) = 3 [pid 387] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 387] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 385] <... futex resumed>) = 0 [pid 385] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 385] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 387] <... futex resumed>) = 0 [pid 387] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 387] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 386] <... ioctl resumed>) = 0 [pid 386] close(4) = 0 [pid 387] <... futex resumed>) = 1 [pid 386] close(5) = 0 [pid 387] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 386] mkdir(0x200000000240, 0777) = -1 ENOENT (No such file or directory) [pid 386] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [pid 386] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 386] ioctl(4, LOOP_CLR_FD) = 0 [pid 386] close(4) = 0 [pid 386] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 386] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 385] <... futex resumed>) = 0 [pid 385] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 385] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 386] <... futex resumed>) = 0 [pid 386] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 386] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 385] <... futex resumed>) = 0 [pid 385] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 385] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 386] creat(0x200000000040, 000) = 4 [pid 386] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 385] <... futex resumed>) = 0 [pid 385] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 385] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 386] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 386] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 385] <... futex resumed>) = 0 [pid 385] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 386] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c [pid 385] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 386] <... open resumed>) = 5 [pid 386] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 385] <... futex resumed>) = 0 [pid 385] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 385] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 386] <... futex resumed>) = 1 [pid 386] write(5, 0x200000000080, 34136651) = 131072 [pid 386] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 385] <... futex resumed>) = 0 [pid 385] close(3) = 0 [pid 385] close(4) = 0 [pid 385] close(5) = 0 [pid 385] close(6) = -1 EBADF (Bad file descriptor) [pid 385] close(7) = -1 EBADF (Bad file descriptor) [pid 385] close(8) = -1 EBADF (Bad file descriptor) [pid 385] close(9) = -1 EBADF (Bad file descriptor) [pid 385] close(10) = -1 EBADF (Bad file descriptor) [pid 385] close(11) = -1 EBADF (Bad file descriptor) [pid 385] close(12) = -1 EBADF (Bad file descriptor) [pid 385] close(13) = -1 EBADF (Bad file descriptor) [pid 385] close(14) = -1 EBADF (Bad file descriptor) [pid 385] close(15) = -1 EBADF (Bad file descriptor) [pid 385] close(16) = -1 EBADF (Bad file descriptor) [pid 385] close(17) = -1 EBADF (Bad file descriptor) [pid 385] close(18) = -1 EBADF (Bad file descriptor) [pid 385] close(19) = -1 EBADF (Bad file descriptor) [pid 385] close(20) = -1 EBADF (Bad file descriptor) [pid 385] close(21) = -1 EBADF (Bad file descriptor) [pid 385] close(22) = -1 EBADF (Bad file descriptor) [pid 385] close(23) = -1 EBADF (Bad file descriptor) [pid 385] close(24) = -1 EBADF (Bad file descriptor) [pid 385] close(25) = -1 EBADF (Bad file descriptor) [pid 385] close(26) = -1 EBADF (Bad file descriptor) [pid 385] close(27) = -1 EBADF (Bad file descriptor) [pid 385] close(28) = -1 EBADF (Bad file descriptor) [pid 385] close(29) = -1 EBADF (Bad file descriptor) [pid 385] exit_group(0) = ? [pid 386] <... futex resumed>) = ? [pid 386] +++ exited with 0 +++ [pid 387] <... futex resumed>) = ? [pid 387] +++ exited with 0 +++ [pid 385] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=96, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [ 27.503219][ T386] loop0: detected capacity change from 0 to 256 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756f750) = 99 ./strace-static-x86_64: Process 388 attached [pid 388] set_robust_list(0x55555756f760, 24) = 0 [pid 388] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 388] setpgid(0, 0) = 0 [pid 388] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 388] write(3, "1000", 4) = 4 [pid 388] close(3) = 0 [pid 388] write(1, "executing program\n", 18executing program ) = 18 [pid 388] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 388] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 388] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 388] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 388] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 388] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 388] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0} => {parent_tid=[100]}, 88) = 100 [pid 388] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 388] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 388] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 388] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf61c000 [pid 388] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 388] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 388] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0} => {parent_tid=[101]}, 88) = 101 [pid 388] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 388] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 388] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 389 attached [pid 389] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 389] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 390 attached [pid 389] memfd_create("syzkaller", 0) = 3 [pid 389] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b721c000 [pid 390] set_robust_list(0x7f43bf63c9a0, 24) = 0 [pid 390] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 390] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 389] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 389] munmap(0x7f43b721c000, 138412032) = 0 [pid 389] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 389] ioctl(5, LOOP_SET_FD, 3 [pid 390] <... openat resumed>) = 4 [pid 390] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 390] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 388] <... futex resumed>) = 0 [pid 388] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 388] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 390] <... futex resumed>) = 0 [pid 390] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 4, 0) = 0x200000000000 [pid 390] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 388] <... futex resumed>) = 0 [pid 388] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 388] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 390] <... futex resumed>) = 1 [pid 390] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 390] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 390] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 389] <... ioctl resumed>) = 0 [pid 388] <... futex resumed>) = 0 [pid 388] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 388] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 390] creat(0x200000000040, 000) = 6 [pid 390] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 388] <... futex resumed>) = 0 [pid 388] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 388] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 390] <... futex resumed>) = 1 [pid 390] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 390] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 388] <... futex resumed>) = 0 [pid 388] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 388] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 390] <... futex resumed>) = 1 [pid 390] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 7 [pid 390] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 388] <... futex resumed>) = 0 [pid 388] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 388] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 390] <... futex resumed>) = 1 [pid 390] write(7, 0x200000000080, 34136651 [pid 389] close(3) = 0 [pid 389] close(5) = 0 [pid 389] mkdir(0x200000000240, 0777) = -1 ENOENT (No such file or directory) [pid 389] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [pid 389] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 389] ioctl(3, LOOP_CLR_FD) = 0 [pid 389] close(3) = 0 [pid 389] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 389] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 390] <... write resumed>) = 131072 [pid 390] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 388] <... futex resumed>) = 0 [pid 388] close(3) = -1 EBADF (Bad file descriptor) [pid 388] close(4) = 0 [pid 388] close(5) = -1 EBADF (Bad file descriptor) [pid 388] close(6) = 0 [pid 388] close(7 [pid 390] <... futex resumed>) = 1 [pid 390] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 388] <... close resumed>) = 0 [pid 388] close(8) = -1 EBADF (Bad file descriptor) [pid 388] close(9) = -1 EBADF (Bad file descriptor) [pid 388] close(10) = -1 EBADF (Bad file descriptor) [pid 388] close(11) = -1 EBADF (Bad file descriptor) [pid 388] close(12) = -1 EBADF (Bad file descriptor) [pid 388] close(13) = -1 EBADF (Bad file descriptor) [pid 388] close(14) = -1 EBADF (Bad file descriptor) [pid 388] close(15) = -1 EBADF (Bad file descriptor) [pid 388] close(16) = -1 EBADF (Bad file descriptor) [pid 388] close(17) = -1 EBADF (Bad file descriptor) [pid 388] close(18) = -1 EBADF (Bad file descriptor) [pid 388] close(19) = -1 EBADF (Bad file descriptor) [pid 388] close(20) = -1 EBADF (Bad file descriptor) [pid 388] close(21) = -1 EBADF (Bad file descriptor) [pid 388] close(22) = -1 EBADF (Bad file descriptor) [pid 388] close(23) = -1 EBADF (Bad file descriptor) [pid 388] close(24) = -1 EBADF (Bad file descriptor) [pid 388] close(25) = -1 EBADF (Bad file descriptor) [pid 388] close(26) = -1 EBADF (Bad file descriptor) [pid 388] close(27) = -1 EBADF (Bad file descriptor) [pid 388] close(28) = -1 EBADF (Bad file descriptor) [pid 388] close(29) = -1 EBADF (Bad file descriptor) [pid 388] exit_group(0) = ? [pid 389] <... futex resumed>) = ? [pid 390] <... futex resumed>) = ? [pid 389] +++ exited with 0 +++ [pid 390] +++ exited with 0 +++ [pid 388] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=99, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756f750) = 102 ./strace-static-x86_64: Process 391 attached [pid 391] set_robust_list(0x55555756f760, 24) = 0 [pid 391] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 391] setpgid(0, 0) = 0 [pid 391] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 391] write(3, "1000", 4) = 4 [pid 391] close(3) = 0 [pid 391] write(1, "executing program\n", 18executing program ) = 18 [pid 391] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 391] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 391] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 391] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 391] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 391] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 391] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0} => {parent_tid=[103]}, 88) = 103 [pid 391] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 391] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 391] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 391] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf61c000 [pid 391] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 391] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 391] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0}./strace-static-x86_64: Process 393 attached ./strace-static-x86_64: Process 392 attached => {parent_tid=[104]}, 88) = 104 [pid 393] set_robust_list(0x7f43bf63c9a0, 24 [pid 392] set_robust_list(0x7f43bf65d9a0, 24 [pid 393] <... set_robust_list resumed>) = 0 [pid 392] <... set_robust_list resumed>) = 0 [pid 393] rt_sigprocmask(SIG_SETMASK, [], [pid 391] rt_sigprocmask(SIG_SETMASK, [], [pid 393] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 392] rt_sigprocmask(SIG_SETMASK, [], [pid 393] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 391] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 391] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000 [pid 392] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 393] <... futex resumed>) = 0 [pid 393] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 392] memfd_create("syzkaller", 0 [pid 391] <... futex resumed>) = 1 [pid 391] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 392] <... memfd_create resumed>) = 4 [pid 392] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b721c000 [ 27.584892][ T389] loop0: detected capacity change from 0 to 256 [pid 392] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 392] munmap(0x7f43b721c000, 138412032) = 0 [pid 392] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 392] ioctl(5, LOOP_SET_FD, 4 [pid 393] <... openat resumed>) = 3 [pid 393] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 393] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 391] <... futex resumed>) = 0 [pid 391] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 391] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 393] <... futex resumed>) = 0 [pid 393] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 393] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 391] <... futex resumed>) = 0 [pid 391] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 391] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 393] <... futex resumed>) = 1 [pid 393] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 393] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 393] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 391] <... futex resumed>) = 0 [pid 391] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 391] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 393] <... futex resumed>) = 1 [pid 393] creat(0x200000000040, 000) = 6 [pid 393] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 391] <... futex resumed>) = 0 [pid 391] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 391] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 393] <... futex resumed>) = 1 [pid 393] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 393] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 391] <... futex resumed>) = 0 [pid 391] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 391] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 393] <... futex resumed>) = 1 [pid 393] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 7 [pid 393] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 391] <... futex resumed>) = 0 [pid 391] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 391] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 393] <... futex resumed>) = 1 [pid 393] write(7, 0x200000000080, 34136651 [pid 392] <... ioctl resumed>) = 0 [pid 392] close(4) = 0 [pid 392] close(5) = 0 [pid 392] mkdir(0x200000000240, 0777) = -1 ENOENT (No such file or directory) [pid 392] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [pid 392] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 392] ioctl(4, LOOP_CLR_FD) = 0 [pid 392] close(4) = 0 [pid 392] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 392] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 393] <... write resumed>) = 131072 [pid 393] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 391] <... futex resumed>) = 0 [pid 393] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 391] close(3) = 0 [pid 391] close(4) = -1 EBADF (Bad file descriptor) [pid 391] close(5) = -1 EBADF (Bad file descriptor) [pid 391] close(6) = 0 [pid 391] close(7) = 0 [pid 391] close(8) = -1 EBADF (Bad file descriptor) [pid 391] close(9) = -1 EBADF (Bad file descriptor) [pid 391] close(10) = -1 EBADF (Bad file descriptor) [pid 391] close(11) = -1 EBADF (Bad file descriptor) [pid 391] close(12) = -1 EBADF (Bad file descriptor) [pid 391] close(13) = -1 EBADF (Bad file descriptor) [pid 391] close(14) = -1 EBADF (Bad file descriptor) [pid 391] close(15) = -1 EBADF (Bad file descriptor) [pid 391] close(16) = -1 EBADF (Bad file descriptor) [pid 391] close(17) = -1 EBADF (Bad file descriptor) [pid 391] close(18) = -1 EBADF (Bad file descriptor) [pid 391] close(19) = -1 EBADF (Bad file descriptor) [pid 391] close(20) = -1 EBADF (Bad file descriptor) [pid 391] close(21) = -1 EBADF (Bad file descriptor) [pid 391] close(22) = -1 EBADF (Bad file descriptor) [pid 391] close(23) = -1 EBADF (Bad file descriptor) [pid 391] close(24) = -1 EBADF (Bad file descriptor) [pid 391] close(25) = -1 EBADF (Bad file descriptor) [pid 391] close(26) = -1 EBADF (Bad file descriptor) [pid 391] close(27) = -1 EBADF (Bad file descriptor) [pid 391] close(28) = -1 EBADF (Bad file descriptor) [pid 391] close(29) = -1 EBADF (Bad file descriptor) [pid 391] exit_group(0) = ? [pid 393] <... futex resumed>) = ? [pid 393] +++ exited with 0 +++ [pid 392] <... futex resumed>) = ? [pid 392] +++ exited with 0 +++ [pid 391] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=102, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756f750) = 105 ./strace-static-x86_64: Process 394 attached [pid 394] set_robust_list(0x55555756f760, 24) = 0 [pid 394] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 394] setpgid(0, 0) = 0 [pid 394] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 394] write(3, "1000", 4) = 4 [pid 394] close(3) = 0 [pid 394] write(1, "executing program\n", 18executing program ) = 18 [pid 394] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 394] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 394] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 394] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 394] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 394] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 394] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0} => {parent_tid=[106]}, 88) = 106 [pid 394] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 394] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 394] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 394] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf61c000 [pid 394] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 394] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 394] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0} => {parent_tid=[107]}, 88) = 107 [pid 394] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 394] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 27.647798][ T392] loop0: detected capacity change from 0 to 256 [pid 394] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 396 attached [pid 396] set_robust_list(0x7f43bf63c9a0, 24) = 0 [pid 396] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 396] openat(AT_FDCWD, "/selinux/policy", O_RDONLY./strace-static-x86_64: Process 395 attached [pid 395] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 395] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 395] memfd_create("syzkaller", 0) = 4 [pid 395] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b721c000 [pid 395] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 395] munmap(0x7f43b721c000, 138412032) = 0 [pid 395] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 395] ioctl(5, LOOP_SET_FD, 4 [pid 396] <... openat resumed>) = 3 [pid 396] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 394] <... futex resumed>) = 0 [pid 394] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 394] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 396] <... futex resumed>) = 1 [pid 396] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 396] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 394] <... futex resumed>) = 0 [pid 394] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 394] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 396] <... futex resumed>) = 1 [pid 396] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 396] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 396] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 394] <... futex resumed>) = 0 [pid 394] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 394] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 396] <... futex resumed>) = 1 [pid 396] creat(0x200000000040, 000 [pid 395] <... ioctl resumed>) = 0 [pid 396] <... creat resumed>) = 6 [pid 395] close(4 [pid 396] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 395] <... close resumed>) = 0 [pid 394] <... futex resumed>) = 0 [pid 394] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 394] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 395] close(5 [pid 396] <... futex resumed>) = 1 [pid 395] <... close resumed>) = 0 [pid 396] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 395] mkdir(0x200000000240, 0777) = -1 ENOENT (No such file or directory) [pid 395] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [pid 396] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 394] <... futex resumed>) = 0 [pid 394] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 394] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 396] <... futex resumed>) = 1 [pid 396] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c [pid 395] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 396] <... open resumed>) = 4 [pid 396] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 394] <... futex resumed>) = 0 [pid 394] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 394] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 396] <... futex resumed>) = 1 [pid 395] ioctl(5, LOOP_CLR_FD [pid 396] write(4, 0x200000000080, 34136651 [pid 395] <... ioctl resumed>) = 0 [pid 395] close(5) = 0 [pid 395] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 395] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 396] <... write resumed>) = 131072 [pid 396] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 394] <... futex resumed>) = 0 [pid 394] close(3) = 0 [pid 394] close(4) = 0 [pid 394] close(5) = -1 EBADF (Bad file descriptor) [pid 394] close(6) = 0 [pid 394] close(7) = -1 EBADF (Bad file descriptor) [pid 394] close(8) = -1 EBADF (Bad file descriptor) [pid 394] close(9) = -1 EBADF (Bad file descriptor) [pid 394] close(10) = -1 EBADF (Bad file descriptor) [pid 394] close(11) = -1 EBADF (Bad file descriptor) [pid 394] close(12) = -1 EBADF (Bad file descriptor) [pid 394] close(13) = -1 EBADF (Bad file descriptor) [pid 394] close(14) = -1 EBADF (Bad file descriptor) [pid 394] close(15) = -1 EBADF (Bad file descriptor) [pid 394] close(16) = -1 EBADF (Bad file descriptor) [pid 394] close(17) = -1 EBADF (Bad file descriptor) [pid 394] close(18) = -1 EBADF (Bad file descriptor) [pid 394] close(19) = -1 EBADF (Bad file descriptor) [pid 394] close(20) = -1 EBADF (Bad file descriptor) [pid 394] close(21) = -1 EBADF (Bad file descriptor) [pid 394] close(22) = -1 EBADF (Bad file descriptor) [pid 394] close(23) = -1 EBADF (Bad file descriptor) [pid 394] close(24) = -1 EBADF (Bad file descriptor) [pid 394] close(25) = -1 EBADF (Bad file descriptor) [pid 394] close(26) = -1 EBADF (Bad file descriptor) [pid 394] close(27) = -1 EBADF (Bad file descriptor) [pid 394] close(28) = -1 EBADF (Bad file descriptor) [pid 394] close(29) = -1 EBADF (Bad file descriptor) [pid 394] exit_group(0) = ? [pid 395] <... futex resumed>) = ? [pid 395] +++ exited with 0 +++ [pid 396] <... futex resumed>) = ? [pid 396] +++ exited with 0 +++ [pid 394] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=105, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWRexecuting program ) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756f750) = 108 ./strace-static-x86_64: Process 397 attached [pid 397] set_robust_list(0x55555756f760, 24) = 0 [pid 397] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 397] setpgid(0, 0) = 0 [pid 397] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 397] write(3, "1000", 4) = 4 [pid 397] close(3) = 0 [pid 397] write(1, "executing program\n", 18) = 18 [pid 397] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 397] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 397] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 397] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 397] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 397] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 397] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0} => {parent_tid=[109]}, 88) = 109 [pid 397] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 397] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 397] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 397] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf61c000 [ 27.716516][ T395] loop0: detected capacity change from 0 to 256 [pid 397] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 397] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 397] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0} => {parent_tid=[110]}, 88) = 110 [pid 397] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 397] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 397] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 399 attached ./strace-static-x86_64: Process 398 attached [pid 399] set_robust_list(0x7f43bf63c9a0, 24) = 0 [pid 399] rt_sigprocmask(SIG_SETMASK, [], [pid 398] set_robust_list(0x7f43bf65d9a0, 24 [pid 399] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 398] <... set_robust_list resumed>) = 0 [pid 399] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 398] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 398] memfd_create("syzkaller", 0) = 4 [pid 398] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b721c000 [pid 398] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 398] munmap(0x7f43b721c000, 138412032) = 0 [pid 398] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 398] ioctl(5, LOOP_SET_FD, 4 [pid 399] <... openat resumed>) = 3 [pid 399] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 399] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 397] <... futex resumed>) = 0 [pid 397] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 399] <... futex resumed>) = 0 [pid 399] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 397] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 399] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 397] <... futex resumed>) = 0 [pid 397] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 397] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 398] <... ioctl resumed>) = 0 [pid 399] <... futex resumed>) = 1 [pid 399] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 398] close(4) = 0 [pid 399] mkdirat(AT_FDCWD, 0x200000000280, 0117 [pid 398] close(5) = 0 [pid 398] mkdir(0x200000000240, 0777 [pid 399] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 398] <... mkdir resumed>) = -1 ENOENT (No such file or directory) [pid 399] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 398] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t" [pid 397] <... futex resumed>) = 0 [pid 397] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 397] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 399] <... futex resumed>) = 1 [pid 399] creat(0x200000000040, 000) = 4 [pid 399] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 397] <... futex resumed>) = 0 [pid 397] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 397] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 399] <... futex resumed>) = 1 [pid 399] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 399] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 397] <... futex resumed>) = 0 [pid 397] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 397] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 399] <... futex resumed>) = 1 [pid 399] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 399] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 397] <... futex resumed>) = 0 [pid 397] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 397] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 399] <... futex resumed>) = 1 [pid 399] write(5, 0x200000000080, 34136651) = 131072 [pid 399] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 397] <... futex resumed>) = 0 [pid 399] <... futex resumed>) = 1 [pid 398] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 399] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 398] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 6 [pid 398] ioctl(6, LOOP_CLR_FD) = 0 [pid 398] close(6) = 0 [pid 398] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 398] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 397] close(3) = 0 [pid 397] close(4) = 0 [pid 397] close(5) = 0 [pid 397] close(6) = -1 EBADF (Bad file descriptor) [pid 397] close(7) = -1 EBADF (Bad file descriptor) [pid 397] close(8) = -1 EBADF (Bad file descriptor) [pid 397] close(9) = -1 EBADF (Bad file descriptor) [pid 397] close(10) = -1 EBADF (Bad file descriptor) [pid 397] close(11) = -1 EBADF (Bad file descriptor) [pid 397] close(12) = -1 EBADF (Bad file descriptor) [pid 397] close(13) = -1 EBADF (Bad file descriptor) [pid 397] close(14) = -1 EBADF (Bad file descriptor) [pid 397] close(15) = -1 EBADF (Bad file descriptor) [pid 397] close(16) = -1 EBADF (Bad file descriptor) [pid 397] close(17) = -1 EBADF (Bad file descriptor) [pid 397] close(18) = -1 EBADF (Bad file descriptor) [pid 397] close(19) = -1 EBADF (Bad file descriptor) [pid 397] close(20) = -1 EBADF (Bad file descriptor) [pid 397] close(21) = -1 EBADF (Bad file descriptor) [pid 397] close(22) = -1 EBADF (Bad file descriptor) [pid 397] close(23) = -1 EBADF (Bad file descriptor) [pid 397] close(24) = -1 EBADF (Bad file descriptor) [pid 397] close(25) = -1 EBADF (Bad file descriptor) [pid 397] close(26) = -1 EBADF (Bad file descriptor) [pid 397] close(27) = -1 EBADF (Bad file descriptor) [pid 397] close(28) = -1 EBADF (Bad file descriptor) [pid 397] close(29) = -1 EBADF (Bad file descriptor) [pid 397] exit_group(0) = ? [pid 399] <... futex resumed>) = ? [pid 399] +++ exited with 0 +++ [pid 398] <... futex resumed>) = ? [pid 398] +++ exited with 0 +++ [pid 397] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=108, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 400 attached , child_tidptr=0x55555756f750) = 111 [pid 400] set_robust_list(0x55555756f760, 24) = 0 [pid 400] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 400] setpgid(0, 0) = 0 [pid 400] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 400] write(3, "1000", 4) = 4 [pid 400] close(3) = 0 [pid 400] write(1, "executing program\n", 18executing program ) = 18 [pid 400] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 400] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 400] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 400] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 400] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 400] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 400] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0}./strace-static-x86_64: Process 401 attached => {parent_tid=[112]}, 88) = 112 [pid 400] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 400] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 400] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 400] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf61c000 [pid 400] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE [pid 401] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 401] rt_sigprocmask(SIG_SETMASK, [], [pid 400] <... mprotect resumed>) = 0 [pid 400] rt_sigprocmask(SIG_BLOCK, ~[], [pid 401] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 400] <... rt_sigprocmask resumed>[], 8) = 0 [pid 400] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0} => {parent_tid=[113]}, 88) = 113 [pid 401] memfd_create("syzkaller", 0 [pid 400] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 400] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 400] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 402 attached [pid 402] set_robust_list(0x7f43bf63c9a0, 24) = 0 [pid 402] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 402] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 401] <... memfd_create resumed>) = 3 [pid 401] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b721c000 [pid 401] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [ 27.783103][ T398] loop0: detected capacity change from 0 to 256 [pid 401] munmap(0x7f43b721c000, 138412032) = 0 [pid 401] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 401] ioctl(5, LOOP_SET_FD, 3 [pid 402] <... openat resumed>) = 4 [pid 402] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 400] <... futex resumed>) = 0 [pid 400] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 400] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 402] <... futex resumed>) = 1 [pid 402] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 4, 0) = 0x200000000000 [pid 402] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 400] <... futex resumed>) = 0 [pid 400] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 400] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 402] <... futex resumed>) = 1 [pid 402] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 402] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 402] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 400] <... futex resumed>) = 0 [pid 400] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 400] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 402] <... futex resumed>) = 1 [pid 402] creat(0x200000000040, 000) = 6 [pid 402] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 400] <... futex resumed>) = 0 [pid 400] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 400] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 402] <... futex resumed>) = 1 [pid 402] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 402] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 400] <... futex resumed>) = 0 [pid 400] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 400] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 402] <... futex resumed>) = 1 [pid 402] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 7 [pid 402] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 400] <... futex resumed>) = 0 [pid 400] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 400] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 402] <... futex resumed>) = 1 [pid 402] write(7, 0x200000000080, 34136651 [pid 401] <... ioctl resumed>) = 0 [pid 402] <... write resumed>) = 131072 [pid 402] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 400] <... futex resumed>) = 0 [pid 402] <... futex resumed>) = 1 [pid 402] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 401] close(3) = 0 [pid 401] close(5) = 0 [pid 401] mkdir(0x200000000240, 0777) = -1 ENOENT (No such file or directory) [pid 401] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [pid 401] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 401] ioctl(3, LOOP_CLR_FD) = 0 [pid 401] close(3) = 0 [pid 401] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 401] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 400] close(3) = -1 EBADF (Bad file descriptor) [pid 400] close(4) = 0 [pid 400] close(5) = -1 EBADF (Bad file descriptor) [pid 400] close(6) = 0 [pid 400] close(7) = 0 [pid 400] close(8) = -1 EBADF (Bad file descriptor) [pid 400] close(9) = -1 EBADF (Bad file descriptor) [pid 400] close(10) = -1 EBADF (Bad file descriptor) [pid 400] close(11) = -1 EBADF (Bad file descriptor) [pid 400] close(12) = -1 EBADF (Bad file descriptor) [pid 400] close(13) = -1 EBADF (Bad file descriptor) [pid 400] close(14) = -1 EBADF (Bad file descriptor) [pid 400] close(15) = -1 EBADF (Bad file descriptor) [pid 400] close(16) = -1 EBADF (Bad file descriptor) [pid 400] close(17) = -1 EBADF (Bad file descriptor) [pid 400] close(18) = -1 EBADF (Bad file descriptor) [pid 400] close(19) = -1 EBADF (Bad file descriptor) [pid 400] close(20) = -1 EBADF (Bad file descriptor) [pid 400] close(21) = -1 EBADF (Bad file descriptor) [pid 400] close(22) = -1 EBADF (Bad file descriptor) [pid 400] close(23) = -1 EBADF (Bad file descriptor) [pid 400] close(24) = -1 EBADF (Bad file descriptor) [pid 400] close(25) = -1 EBADF (Bad file descriptor) [pid 400] close(26) = -1 EBADF (Bad file descriptor) [pid 400] close(27) = -1 EBADF (Bad file descriptor) [pid 400] close(28) = -1 EBADF (Bad file descriptor) [pid 400] close(29) = -1 EBADF (Bad file descriptor) [pid 400] exit_group(0) = ? [pid 401] <... futex resumed>) = ? [pid 401] +++ exited with 0 +++ [pid 402] <... futex resumed>) = ? [pid 402] +++ exited with 0 +++ [pid 400] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=111, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [ 27.845360][ T401] loop0: detected capacity change from 0 to 256 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756f750) = 114 ./strace-static-x86_64: Process 403 attached [pid 403] set_robust_list(0x55555756f760, 24) = 0 [pid 403] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 403] setpgid(0, 0) = 0 [pid 403] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 403] write(3, "1000", 4) = 4 [pid 403] close(3) = 0 [pid 403] write(1, "executing program\n", 18executing program ) = 18 [pid 403] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 403] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 403] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 403] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 403] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 403] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 403] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0} => {parent_tid=[115]}, 88) = 115 [pid 403] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 403] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 403] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 403] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf61c000 [pid 403] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 403] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 403] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0} => {parent_tid=[116]}, 88) = 116 [pid 403] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 403] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 403] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 405 attached [pid 405] set_robust_list(0x7f43bf63c9a0, 24) = 0 [pid 405] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 405] openat(AT_FDCWD, "/selinux/policy", O_RDONLY./strace-static-x86_64: Process 404 attached [pid 404] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 404] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 404] memfd_create("syzkaller", 0) = 4 [pid 404] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b721c000 [pid 405] <... openat resumed>) = 3 [pid 405] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 403] <... futex resumed>) = 0 [pid 403] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 403] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 405] <... futex resumed>) = 1 [pid 405] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 405] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 403] <... futex resumed>) = 0 [pid 403] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 403] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 405] <... futex resumed>) = 1 [pid 404] munmap(0x7f43b721c000, 138412032 [pid 405] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 404] <... munmap resumed>) = 0 [pid 405] mkdirat(AT_FDCWD, 0x200000000280, 0117 [pid 404] close(4) = 0 [pid 404] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 405] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 404] <... futex resumed>) = 0 [pid 404] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 405] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 405] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 403] <... futex resumed>) = 0 [pid 403] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 404] <... futex resumed>) = 0 [pid 403] <... futex resumed>) = 1 [pid 403] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 404] creat(0x200000000040, 000) = 4 [pid 404] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 403] <... futex resumed>) = 0 [pid 403] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 403] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 404] <... futex resumed>) = 1 [pid 404] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 404] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 403] <... futex resumed>) = 0 [pid 403] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 403] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 404] <... futex resumed>) = 1 [pid 404] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 404] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 403] <... futex resumed>) = 0 [pid 403] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 403] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 404] <... futex resumed>) = 1 [pid 404] write(5, 0x200000000080, 34136651) = -1 ENOSPC (No space left on device) [pid 404] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 403] <... futex resumed>) = 0 [pid 403] close(3) = 0 [pid 403] close(4) = 0 [pid 403] close(5) = 0 [pid 403] close(6) = -1 EBADF (Bad file descriptor) [pid 403] close(7) = -1 EBADF (Bad file descriptor) [pid 403] close(8) = -1 EBADF (Bad file descriptor) [pid 403] close(9) = -1 EBADF (Bad file descriptor) [pid 403] close(10) = -1 EBADF (Bad file descriptor) [pid 403] close(11) = -1 EBADF (Bad file descriptor) [pid 403] close(12) = -1 EBADF (Bad file descriptor) [pid 403] close(13) = -1 EBADF (Bad file descriptor) [pid 403] close(14) = -1 EBADF (Bad file descriptor) [pid 403] close(15) = -1 EBADF (Bad file descriptor) [pid 403] close(16) = -1 EBADF (Bad file descriptor) [pid 403] close(17) = -1 EBADF (Bad file descriptor) [pid 403] close(18) = -1 EBADF (Bad file descriptor) [pid 403] close(19) = -1 EBADF (Bad file descriptor) [pid 403] close(20) = -1 EBADF (Bad file descriptor) [pid 403] close(21) = -1 EBADF (Bad file descriptor) [pid 403] close(22) = -1 EBADF (Bad file descriptor) [pid 403] close(23) = -1 EBADF (Bad file descriptor) [pid 403] close(24) = -1 EBADF (Bad file descriptor) [pid 403] close(25) = -1 EBADF (Bad file descriptor) [pid 403] close(26) = -1 EBADF (Bad file descriptor) [pid 403] close(27) = -1 EBADF (Bad file descriptor) [pid 403] close(28) = -1 EBADF (Bad file descriptor) [pid 403] close(29) = -1 EBADF (Bad file descriptor) [pid 403] exit_group(0) = ? [pid 404] <... futex resumed>) = ? [pid 404] +++ exited with 0 +++ [pid 405] <... futex resumed>) = ? [pid 405] +++ exited with 0 +++ [pid 403] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=114, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756f750) = 117 ./strace-static-x86_64: Process 406 attached [pid 406] set_robust_list(0x55555756f760, 24) = 0 [pid 406] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 406] setpgid(0, 0) = 0 [pid 406] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 406] write(3, "1000", 4) = 4 [pid 406] close(3) = 0 [pid 406] write(1, "executing program\n", 18executing program ) = 18 [pid 406] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 406] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 406] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 406] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 406] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 406] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 406] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0}./strace-static-x86_64: Process 407 attached => {parent_tid=[118]}, 88) = 118 [pid 407] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 407] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 407] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 406] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 406] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 407] <... futex resumed>) = 0 [pid 406] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 407] memfd_create("syzkaller", 0) = 3 [pid 407] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b723d000 [pid 406] <... futex resumed>) = 0 [pid 406] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43b721c000 [pid 406] mprotect(0x7f43b721d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 406] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 406] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43b723c990, parent_tid=0x7f43b723c990, exit_signal=0, stack=0x7f43b721c000, stack_size=0x20240, tls=0x7f43b723c6c0}./strace-static-x86_64: Process 408 attached [pid 407] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 406] <... clone3 resumed> => {parent_tid=[119]}, 88) = 119 [pid 408] set_robust_list(0x7f43b723c9a0, 24) = 0 [pid 406] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 408] rt_sigprocmask(SIG_SETMASK, [], [pid 406] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 408] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 406] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 407] <... write resumed>) = 131072 [pid 408] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 407] munmap(0x7f43b723d000, 138412032) = 0 [pid 407] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 407] ioctl(5, LOOP_SET_FD, 3 [pid 408] <... openat resumed>) = 4 [pid 408] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 406] <... futex resumed>) = 0 [pid 406] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 406] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 407] <... ioctl resumed>) = 0 [pid 407] close(3) = 0 [pid 408] <... futex resumed>) = 1 [pid 407] close(5 [pid 408] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 4, 0) = 0x200000000000 [pid 408] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 408] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 407] <... close resumed>) = 0 [pid 406] <... futex resumed>) = 0 [pid 406] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 406] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 408] <... futex resumed>) = 0 [pid 408] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 408] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 408] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 408] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 406] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 407] mkdir(0x200000000240, 0777) = -1 ENOENT (No such file or directory) [pid 406] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000 [pid 407] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t" [pid 406] <... futex resumed>) = 1 [pid 408] <... futex resumed>) = 0 [pid 408] creat(0x200000000040, 000 [pid 406] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 407] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 407] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 408] <... creat resumed>) = 3 [pid 407] <... openat resumed>) = 5 [pid 408] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 407] ioctl(5, LOOP_CLR_FD [pid 406] <... futex resumed>) = 0 [pid 408] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 406] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 406] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 407] <... ioctl resumed>) = 0 [pid 407] close(5) = 0 [pid 407] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 407] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 408] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 408] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 408] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 406] <... futex resumed>) = 0 [pid 406] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 406] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 407] <... futex resumed>) = 0 [pid 407] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 407] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 406] <... futex resumed>) = 0 [pid 406] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 406] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 407] <... futex resumed>) = 1 [pid 407] write(5, 0x200000000080, 34136651 [pid 408] <... futex resumed>) = 1 [pid 408] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 407] <... write resumed>) = 131072 [pid 407] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 406] <... futex resumed>) = 0 [pid 406] close(3) = 0 [pid 406] close(4) = 0 [pid 406] close(5) = 0 [pid 406] close(6) = -1 EBADF (Bad file descriptor) [pid 406] close(7) = -1 EBADF (Bad file descriptor) [pid 406] close(8) = -1 EBADF (Bad file descriptor) [pid 406] close(9) = -1 EBADF (Bad file descriptor) [pid 406] close(10) = -1 EBADF (Bad file descriptor) [pid 406] close(11) = -1 EBADF (Bad file descriptor) [pid 406] close(12) = -1 EBADF (Bad file descriptor) [pid 406] close(13) = -1 EBADF (Bad file descriptor) [pid 406] close(14) = -1 EBADF (Bad file descriptor) [pid 406] close(15) = -1 EBADF (Bad file descriptor) [pid 406] close(16) = -1 EBADF (Bad file descriptor) [pid 406] close(17) = -1 EBADF (Bad file descriptor) [pid 406] close(18) = -1 EBADF (Bad file descriptor) [pid 406] close(19) = -1 EBADF (Bad file descriptor) [pid 406] close(20) = -1 EBADF (Bad file descriptor) [pid 406] close(21) = -1 EBADF (Bad file descriptor) [pid 406] close(22) = -1 EBADF (Bad file descriptor) [pid 406] close(23) = -1 EBADF (Bad file descriptor) [pid 406] close(24) = -1 EBADF (Bad file descriptor) [pid 406] close(25) = -1 EBADF (Bad file descriptor) [pid 406] close(26) = -1 EBADF (Bad file descriptor) [pid 406] close(27) = -1 EBADF (Bad file descriptor) [pid 406] close(28) = -1 EBADF (Bad file descriptor) [pid 406] close(29) = -1 EBADF (Bad file descriptor) [pid 406] exit_group(0) = ? [pid 408] <... futex resumed>) = ? [pid 408] +++ exited with 0 +++ [pid 407] <... futex resumed>) = ? [pid 407] +++ exited with 0 +++ [pid 406] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=117, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [ 27.983131][ T407] loop0: detected capacity change from 0 to 256 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756f750) = 120 ./strace-static-x86_64: Process 409 attached [pid 409] set_robust_list(0x55555756f760, 24) = 0 [pid 409] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 409] setpgid(0, 0) = 0 [pid 409] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 409] write(3, "1000", 4) = 4 [pid 409] close(3) = 0 [pid 409] write(1, "executing program\n", 18executing program ) = 18 [pid 409] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 409] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 409] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 409] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 409] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 409] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 409] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0} => {parent_tid=[121]}, 88) = 121 [pid 409] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 409] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 409] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 409] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf61c000 [pid 409] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 409] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 409] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0} => {parent_tid=[122]}, 88) = 122 [pid 409] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 409] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 409] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 410 attached [pid 410] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 410] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 411 attached NULL, 8) = 0 [pid 411] set_robust_list(0x7f43bf63c9a0, 24) = 0 [pid 411] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 411] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 410] memfd_create("syzkaller", 0) = 4 [pid 410] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b721c000 [pid 410] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 410] munmap(0x7f43b721c000, 138412032) = 0 [pid 410] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 410] ioctl(5, LOOP_SET_FD, 4 [pid 411] <... openat resumed>) = 3 [pid 411] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 409] <... futex resumed>) = 0 [pid 409] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 409] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 411] <... futex resumed>) = 1 [pid 411] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 410] <... ioctl resumed>) = 0 [pid 410] close(4) = 0 [pid 410] close(5 [pid 411] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 409] <... futex resumed>) = 0 [pid 409] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 409] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 411] <... futex resumed>) = 1 [pid 411] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 411] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 411] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 409] <... futex resumed>) = 0 [pid 409] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 409] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 411] <... futex resumed>) = 1 [pid 411] creat(0x200000000040, 000 [pid 410] <... close resumed>) = 0 [pid 411] <... creat resumed>) = 4 [pid 411] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 410] mkdir(0x200000000240, 0777 [pid 409] <... futex resumed>) = 0 [pid 409] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 409] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 411] <... futex resumed>) = 1 [pid 411] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL [pid 410] <... mkdir resumed>) = -1 ENOENT (No such file or directory) [pid 410] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [pid 410] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 410] ioctl(5, LOOP_CLR_FD) = 0 [pid 410] close(5) = 0 [ 28.143424][ T410] loop0: detected capacity change from 0 to 256 [pid 410] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 410] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 411] <... mount resumed>) = 0 [pid 411] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 409] <... futex resumed>) = 0 [pid 409] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 410] <... futex resumed>) = 0 [pid 409] <... futex resumed>) = 1 [pid 410] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c [pid 409] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 410] <... open resumed>) = 5 [pid 410] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 409] <... futex resumed>) = 0 [pid 410] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 409] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 410] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 409] <... futex resumed>) = 0 [pid 410] write(5, 0x200000000080, 34136651 [pid 409] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 411] <... futex resumed>) = 1 [pid 411] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 410] <... write resumed>) = 131072 [pid 410] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 409] <... futex resumed>) = 0 [pid 410] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 409] close(3) = 0 [pid 409] close(4) = 0 [pid 409] close(5) = 0 [pid 409] close(6) = -1 EBADF (Bad file descriptor) [pid 409] close(7) = -1 EBADF (Bad file descriptor) [pid 409] close(8) = -1 EBADF (Bad file descriptor) [pid 409] close(9) = -1 EBADF (Bad file descriptor) [pid 409] close(10) = -1 EBADF (Bad file descriptor) [pid 409] close(11) = -1 EBADF (Bad file descriptor) [pid 409] close(12) = -1 EBADF (Bad file descriptor) [pid 409] close(13) = -1 EBADF (Bad file descriptor) [pid 409] close(14) = -1 EBADF (Bad file descriptor) [pid 409] close(15) = -1 EBADF (Bad file descriptor) [pid 409] close(16) = -1 EBADF (Bad file descriptor) [pid 409] close(17) = -1 EBADF (Bad file descriptor) [pid 409] close(18) = -1 EBADF (Bad file descriptor) [pid 409] close(19) = -1 EBADF (Bad file descriptor) [pid 409] close(20) = -1 EBADF (Bad file descriptor) [pid 409] close(21) = -1 EBADF (Bad file descriptor) [pid 409] close(22) = -1 EBADF (Bad file descriptor) [pid 409] close(23) = -1 EBADF (Bad file descriptor) [pid 409] close(24) = -1 EBADF (Bad file descriptor) [pid 409] close(25) = -1 EBADF (Bad file descriptor) [pid 409] close(26) = -1 EBADF (Bad file descriptor) [pid 409] close(27) = -1 EBADF (Bad file descriptor) [pid 409] close(28) = -1 EBADF (Bad file descriptor) [pid 409] close(29) = -1 EBADF (Bad file descriptor) [pid 409] exit_group(0) = ? [pid 411] <... futex resumed>) = ? [pid 411] +++ exited with 0 +++ [pid 410] <... futex resumed>) = ? [pid 410] +++ exited with 0 +++ [pid 409] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=120, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756f750) = 123 ./strace-static-x86_64: Process 413 attached [pid 413] set_robust_list(0x55555756f760, 24) = 0 [pid 413] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 413] setpgid(0, 0) = 0 [pid 413] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 413] write(3, "1000", 4) = 4 [pid 413] close(3) = 0 executing program [pid 413] write(1, "executing program\n", 18) = 18 [pid 413] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 413] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 413] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 413] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 413] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 413] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 413] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0} => {parent_tid=[124]}, 88) = 124 [pid 413] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 413] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 413] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 413] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf61c000 [pid 413] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 413] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 413] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0} => {parent_tid=[125]}, 88) = 125 [pid 413] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 413] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 413] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 415 attached [pid 415] set_robust_list(0x7f43bf63c9a0, 24) = 0 [pid 415] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 415] openat(AT_FDCWD, "/selinux/policy", O_RDONLY./strace-static-x86_64: Process 414 attached ) = 3 [pid 415] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 413] <... futex resumed>) = 0 [pid 415] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 413] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 413] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 415] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 415] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 415] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 413] <... futex resumed>) = 0 [pid 413] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 413] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 415] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 415] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 415] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 413] <... futex resumed>) = 0 [pid 413] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 415] creat(0x200000000040, 000 [pid 413] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 415] <... creat resumed>) = 4 [pid 415] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 413] <... futex resumed>) = 0 [pid 415] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 413] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000 [pid 415] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 413] <... futex resumed>) = 0 [pid 415] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL [pid 413] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 415] <... mount resumed>) = 0 [pid 415] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 415] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 414] set_robust_list(0x7f43bf65d9a0, 24 [pid 413] <... futex resumed>) = 0 [pid 414] <... set_robust_list resumed>) = 0 [pid 413] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000 [pid 414] rt_sigprocmask(SIG_SETMASK, [], [pid 413] <... futex resumed>) = 1 [pid 415] <... futex resumed>) = 0 [pid 413] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 415] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 415] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 414] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 415] <... futex resumed>) = 1 [pid 413] <... futex resumed>) = 0 [pid 413] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 413] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 415] write(5, 0x200000000080, 34136651 [pid 414] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000002180} --- [pid 415] <... write resumed>) = -1 ENOSPC (No space left on device) [pid 415] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 414] memfd_create("syzkaller", 0 [pid 415] <... futex resumed>) = 1 [pid 413] <... futex resumed>) = 0 [pid 415] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 414] <... memfd_create resumed>) = 6 [pid 414] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b721c000 [pid 414] munmap(0x7f43b721c000, 138412032) = 0 [pid 414] close(6) = 0 [pid 414] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 414] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 413] close(3) = 0 [pid 413] close(4) = 0 [pid 413] close(5) = 0 [pid 413] close(6) = -1 EBADF (Bad file descriptor) [pid 413] close(7) = -1 EBADF (Bad file descriptor) [pid 413] close(8) = -1 EBADF (Bad file descriptor) [pid 413] close(9) = -1 EBADF (Bad file descriptor) [pid 413] close(10) = -1 EBADF (Bad file descriptor) [pid 413] close(11) = -1 EBADF (Bad file descriptor) [pid 413] close(12) = -1 EBADF (Bad file descriptor) [pid 413] close(13) = -1 EBADF (Bad file descriptor) [pid 413] close(14) = -1 EBADF (Bad file descriptor) [pid 413] close(15) = -1 EBADF (Bad file descriptor) [pid 413] close(16) = -1 EBADF (Bad file descriptor) [pid 413] close(17) = -1 EBADF (Bad file descriptor) [pid 413] close(18) = -1 EBADF (Bad file descriptor) [pid 413] close(19) = -1 EBADF (Bad file descriptor) [pid 413] close(20) = -1 EBADF (Bad file descriptor) [pid 413] close(21) = -1 EBADF (Bad file descriptor) [pid 413] close(22) = -1 EBADF (Bad file descriptor) [pid 413] close(23) = -1 EBADF (Bad file descriptor) [pid 413] close(24) = -1 EBADF (Bad file descriptor) [pid 413] close(25) = -1 EBADF (Bad file descriptor) [pid 413] close(26) = -1 EBADF (Bad file descriptor) [pid 413] close(27) = -1 EBADF (Bad file descriptor) [pid 413] close(28) = -1 EBADF (Bad file descriptor) [pid 413] close(29) = -1 EBADF (Bad file descriptor) [pid 413] exit_group(0) = ? [pid 415] <... futex resumed>) = ? [pid 415] +++ exited with 0 +++ [pid 414] <... futex resumed>) = ? [pid 414] +++ exited with 0 +++ [pid 413] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=123, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3executing program ) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 416 attached [pid 416] set_robust_list(0x55555756f760, 24 [pid 289] <... clone resumed>, child_tidptr=0x55555756f750) = 126 [pid 416] <... set_robust_list resumed>) = 0 [pid 416] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 416] setpgid(0, 0) = 0 [pid 416] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 416] write(3, "1000", 4) = 4 [pid 416] close(3) = 0 [pid 416] write(1, "executing program\n", 18) = 18 [pid 416] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 416] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 416] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 416] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 416] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 416] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 416] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0}./strace-static-x86_64: Process 417 attached => {parent_tid=[127]}, 88) = 127 [pid 417] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 417] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 417] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 416] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 416] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 417] <... futex resumed>) = 0 [pid 417] memfd_create("syzkaller", 0 [pid 416] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 417] <... memfd_create resumed>) = 3 [pid 417] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b723d000 [pid 416] <... futex resumed>) = 0 [pid 416] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43b721c000 [pid 416] mprotect(0x7f43b721d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 416] rt_sigprocmask(SIG_BLOCK, ~[], [pid 417] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 416] <... rt_sigprocmask resumed>[], 8) = 0 [pid 416] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43b723c990, parent_tid=0x7f43b723c990, exit_signal=0, stack=0x7f43b721c000, stack_size=0x20240, tls=0x7f43b723c6c0} [pid 417] <... write resumed>) = 131072 [pid 417] munmap(0x7f43b723d000, 138412032) = 0 [pid 417] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 417] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 418 attached ) = 0 [pid 417] close(3) = 0 [pid 417] close(4 [pid 418] set_robust_list(0x7f43b723c9a0, 24 [pid 416] <... clone3 resumed> => {parent_tid=[128]}, 88) = 128 [pid 418] <... set_robust_list resumed>) = 0 [pid 416] rt_sigprocmask(SIG_SETMASK, [], [pid 418] rt_sigprocmask(SIG_SETMASK, [], [pid 416] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 418] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 416] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000 [pid 418] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 416] <... futex resumed>) = 0 [pid 418] <... openat resumed>) = 3 [pid 417] <... close resumed>) = 0 [pid 416] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 418] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 416] <... futex resumed>) = 0 [pid 416] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 416] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 418] <... futex resumed>) = 1 [pid 417] mkdir("./file0", 0777 [pid 418] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 417] <... mkdir resumed>) = -1 ENOENT (No such file or directory) [pid 418] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 416] <... futex resumed>) = 0 [pid 416] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 416] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 418] <... futex resumed>) = 1 [pid 418] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 418] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 416] <... futex resumed>) = 0 [pid 416] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 416] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 418] <... futex resumed>) = 1 [pid 418] creat(0x200000000040, 000 [pid 417] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [pid 417] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 418] <... creat resumed>) = 4 [pid 417] <... openat resumed>) = 5 [pid 418] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 417] ioctl(5, LOOP_CLR_FD [pid 416] <... futex resumed>) = 0 [pid 416] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 416] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 418] <... futex resumed>) = 1 [pid 418] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 417] <... ioctl resumed>) = 0 [pid 418] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 416] <... futex resumed>) = 0 [pid 416] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 416] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 418] <... futex resumed>) = 1 [pid 418] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 6 [pid 418] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 416] <... futex resumed>) = 0 [pid 416] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 416] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 418] <... futex resumed>) = 1 [pid 418] write(6, 0x200000000080, 34136651 [pid 417] close(5) = 0 [pid 417] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 417] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 418] <... write resumed>) = 131072 [pid 418] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 416] <... futex resumed>) = 0 [pid 416] close(3) = 0 [pid 418] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 416] close(4) = 0 [pid 416] close(5) = -1 EBADF (Bad file descriptor) [ 28.290034][ T417] loop0: detected capacity change from 0 to 256 [pid 416] close(6) = 0 [pid 416] close(7) = -1 EBADF (Bad file descriptor) [pid 416] close(8) = -1 EBADF (Bad file descriptor) [pid 416] close(9) = -1 EBADF (Bad file descriptor) [pid 416] close(10) = -1 EBADF (Bad file descriptor) [pid 416] close(11) = -1 EBADF (Bad file descriptor) [pid 416] close(12) = -1 EBADF (Bad file descriptor) [pid 416] close(13) = -1 EBADF (Bad file descriptor) [pid 416] close(14) = -1 EBADF (Bad file descriptor) [pid 416] close(15) = -1 EBADF (Bad file descriptor) [pid 416] close(16) = -1 EBADF (Bad file descriptor) [pid 416] close(17) = -1 EBADF (Bad file descriptor) [pid 416] close(18) = -1 EBADF (Bad file descriptor) [pid 416] close(19) = -1 EBADF (Bad file descriptor) [pid 416] close(20) = -1 EBADF (Bad file descriptor) [pid 416] close(21) = -1 EBADF (Bad file descriptor) [pid 416] close(22) = -1 EBADF (Bad file descriptor) [pid 416] close(23) = -1 EBADF (Bad file descriptor) [pid 416] close(24) = -1 EBADF (Bad file descriptor) [pid 416] close(25) = -1 EBADF (Bad file descriptor) [pid 416] close(26) = -1 EBADF (Bad file descriptor) [pid 416] close(27) = -1 EBADF (Bad file descriptor) [pid 416] close(28) = -1 EBADF (Bad file descriptor) [pid 416] close(29) = -1 EBADF (Bad file descriptor) [pid 416] exit_group(0 [pid 417] <... futex resumed>) = ? [pid 416] <... exit_group resumed>) = ? [pid 417] +++ exited with 0 +++ [pid 418] <... futex resumed>) = ? [pid 418] +++ exited with 0 +++ [pid 416] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=126, si_uid=0, si_status=0, si_utime=1, si_stime=0} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 419 attached , child_tidptr=0x55555756f750) = 129 [pid 419] set_robust_list(0x55555756f760, 24) = 0 [pid 419] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 419] setpgid(0, 0) = 0 [pid 419] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 419] write(3, "1000", 4) = 4 [pid 419] close(3) = 0 [pid 419] write(1, "executing program\n", 18executing program ) = 18 [pid 419] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 419] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 419] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 419] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 419] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 419] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 419] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0}./strace-static-x86_64: Process 420 attached [pid 420] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 420] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 420] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 419] <... clone3 resumed> => {parent_tid=[130]}, 88) = 130 [pid 419] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 419] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 420] <... futex resumed>) = 0 [pid 419] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 419] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 420] memfd_create("syzkaller", 0) = 3 [pid 420] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b723d000 [pid 419] <... mmap resumed>) = 0x7f43b721c000 [pid 419] mprotect(0x7f43b721d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 419] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 419] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43b723c990, parent_tid=0x7f43b723c990, exit_signal=0, stack=0x7f43b721c000, stack_size=0x20240, tls=0x7f43b723c6c0}./strace-static-x86_64: Process 421 attached => {parent_tid=[131]}, 88) = 131 [pid 421] set_robust_list(0x7f43b723c9a0, 24 [pid 419] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 421] <... set_robust_list resumed>) = 0 [pid 419] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 421] rt_sigprocmask(SIG_SETMASK, [], [pid 419] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 421] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 421] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 420] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 420] munmap(0x7f43b723d000, 138412032) = 0 [pid 420] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 420] ioctl(5, LOOP_SET_FD, 3 [pid 421] <... openat resumed>) = 4 [pid 421] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 420] <... ioctl resumed>) = 0 [pid 420] close(3) = 0 [pid 420] close(5) = 0 [pid 420] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 420] mount("/dev/loop0", "./file0", "exfat", MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "" [pid 421] <... futex resumed>) = 1 [pid 419] <... futex resumed>) = 0 [pid 421] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 4, 0 [pid 419] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 419] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 421] <... mmap resumed>) = 0x200000000000 [pid 421] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 419] <... futex resumed>) = 0 [pid 419] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 419] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 421] <... futex resumed>) = 1 [pid 421] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 421] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 421] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 419] <... futex resumed>) = 0 [pid 419] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 419] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 421] <... futex resumed>) = 1 [pid 421] creat(0x200000000040, 000) = 3 [pid 421] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 419] <... futex resumed>) = 0 [pid 419] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 419] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 421] <... futex resumed>) = 1 [pid 421] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 421] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 419] <... futex resumed>) = 0 [pid 419] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 419] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 421] <... futex resumed>) = 1 [pid 421] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 421] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 419] <... futex resumed>) = 0 [pid 419] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 419] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 421] <... futex resumed>) = 1 [pid 421] write(5, 0x200000000080, 34136651) = 131072 [pid 421] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 419] <... futex resumed>) = 0 [pid 421] <... futex resumed>) = 1 [ 28.392809][ T420] loop0: detected capacity change from 0 to 256 [ 28.403463][ T420] exFAT-fs (loop0): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. [ 28.414226][ T420] exFAT-fs (loop0): Medium has reported failures. Some data may be lost. [ 28.426820][ T420] exFAT-fs (loop0): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d) [pid 421] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 420] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 420] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 6 [pid 420] ioctl(6, LOOP_CLR_FD) = 0 [pid 420] close(6) = 0 [pid 420] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 420] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 419] close(3) = 0 [pid 419] close(4) = 0 [pid 419] close(5) = 0 [pid 419] close(6) = -1 EBADF (Bad file descriptor) [pid 419] close(7) = -1 EBADF (Bad file descriptor) [pid 419] close(8) = -1 EBADF (Bad file descriptor) [pid 419] close(9) = -1 EBADF (Bad file descriptor) [pid 419] close(10) = -1 EBADF (Bad file descriptor) [pid 419] close(11) = -1 EBADF (Bad file descriptor) [pid 419] close(12) = -1 EBADF (Bad file descriptor) [pid 419] close(13) = -1 EBADF (Bad file descriptor) [pid 419] close(14) = -1 EBADF (Bad file descriptor) [pid 419] close(15) = -1 EBADF (Bad file descriptor) [pid 419] close(16) = -1 EBADF (Bad file descriptor) [pid 419] close(17) = -1 EBADF (Bad file descriptor) [pid 419] close(18) = -1 EBADF (Bad file descriptor) [pid 419] close(19) = -1 EBADF (Bad file descriptor) [pid 419] close(20) = -1 EBADF (Bad file descriptor) [pid 419] close(21) = -1 EBADF (Bad file descriptor) [pid 419] close(22) = -1 EBADF (Bad file descriptor) [pid 419] close(23) = -1 EBADF (Bad file descriptor) [pid 419] close(24) = -1 EBADF (Bad file descriptor) [ 28.439157][ T420] exFAT-fs (loop0): failed to load alloc-bitmap [ 28.445479][ T420] exFAT-fs (loop0): failed to recognize exfat type [pid 419] close(25) = -1 EBADF (Bad file descriptor) [pid 419] close(26) = -1 EBADF (Bad file descriptor) [pid 419] close(27) = -1 EBADF (Bad file descriptor) [pid 419] close(28) = -1 EBADF (Bad file descriptor) [pid 419] close(29) = -1 EBADF (Bad file descriptor) [pid 419] exit_group(0) = ? [pid 421] <... futex resumed>) = ? [pid 421] +++ exited with 0 +++ [pid 420] <... futex resumed>) = ? [pid 420] +++ exited with 0 +++ [pid 419] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=129, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756f750) = 132 ./strace-static-x86_64: Process 422 attached [pid 422] set_robust_list(0x55555756f760, 24) = 0 [pid 422] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 422] setpgid(0, 0) = 0 executing program [pid 422] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 422] write(3, "1000", 4) = 4 [pid 422] close(3) = 0 [pid 422] write(1, "executing program\n", 18) = 18 [pid 422] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 422] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 422] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 422] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 422] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 422] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 422] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0} => {parent_tid=[133]}, 88) = 133 [pid 422] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 422] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 422] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 422] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf61c000 [pid 422] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 422] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 422] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0} => {parent_tid=[134]}, 88) = 134 [pid 422] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 422] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 422] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 424 attached [pid 424] set_robust_list(0x7f43bf63c9a0, 24) = 0 [pid 424] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 424] openat(AT_FDCWD, "/selinux/policy", O_RDONLY./strace-static-x86_64: Process 423 attached [pid 423] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 423] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 423] memfd_create("syzkaller", 0) = 4 [pid 423] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b721c000 [pid 423] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 423] munmap(0x7f43b721c000, 138412032) = 0 [pid 424] <... openat resumed>) = 3 [pid 423] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 424] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 422] <... futex resumed>) = 0 [pid 424] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 422] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000 [pid 423] <... openat resumed>) = 5 [pid 422] <... futex resumed>) = 1 [pid 422] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 424] <... futex resumed>) = 0 [pid 424] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 423] ioctl(5, LOOP_SET_FD, 4 [pid 424] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 422] <... futex resumed>) = 0 [pid 422] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 422] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 424] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 424] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 424] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 422] <... futex resumed>) = 0 [pid 422] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 422] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 424] <... futex resumed>) = 1 [pid 424] creat(0x200000000040, 000 [pid 423] <... ioctl resumed>) = 0 [pid 423] close(4) = 0 [pid 423] close(5 [pid 424] <... creat resumed>) = 6 [pid 424] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 423] <... close resumed>) = 0 [pid 424] <... futex resumed>) = 1 [pid 423] mkdir(0x200000000240, 0777) = -1 ENOENT (No such file or directory) [pid 424] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 423] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t" [pid 422] <... futex resumed>) = 0 [pid 422] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000 [pid 423] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 422] <... futex resumed>) = 1 [pid 424] <... futex resumed>) = 0 [pid 424] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 423] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 424] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 422] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 424] <... futex resumed>) = 0 [pid 424] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 423] ioctl(4, LOOP_CLR_FD) = 0 [pid 423] close(4) = 0 [pid 423] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 423] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 422] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 422] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 422] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 423] <... futex resumed>) = 0 [pid 423] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 4 [pid 423] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 422] <... futex resumed>) = 0 [pid 422] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 422] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 423] <... futex resumed>) = 1 [pid 423] write(4, 0x200000000080, 34136651) = 131072 [pid 423] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 422] <... futex resumed>) = 0 [pid 422] close(3) = 0 [pid 422] close(4) = 0 [pid 422] close(5) = -1 EBADF (Bad file descriptor) [pid 422] close(6) = 0 [pid 423] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 422] close(7) = -1 EBADF (Bad file descriptor) [pid 422] close(8) = -1 EBADF (Bad file descriptor) [pid 422] close(9) = -1 EBADF (Bad file descriptor) [pid 422] close(10) = -1 EBADF (Bad file descriptor) [pid 422] close(11) = -1 EBADF (Bad file descriptor) [pid 422] close(12) = -1 EBADF (Bad file descriptor) [pid 422] close(13) = -1 EBADF (Bad file descriptor) [pid 422] close(14) = -1 EBADF (Bad file descriptor) [pid 422] close(15) = -1 EBADF (Bad file descriptor) [pid 422] close(16) = -1 EBADF (Bad file descriptor) [pid 422] close(17) = -1 EBADF (Bad file descriptor) [pid 422] close(18) = -1 EBADF (Bad file descriptor) [pid 422] close(19) = -1 EBADF (Bad file descriptor) [pid 422] close(20) = -1 EBADF (Bad file descriptor) [pid 422] close(21) = -1 EBADF (Bad file descriptor) [pid 422] close(22) = -1 EBADF (Bad file descriptor) [pid 422] close(23) = -1 EBADF (Bad file descriptor) [pid 422] close(24) = -1 EBADF (Bad file descriptor) [pid 422] close(25) = -1 EBADF (Bad file descriptor) [pid 422] close(26) = -1 EBADF (Bad file descriptor) [pid 422] close(27) = -1 EBADF (Bad file descriptor) [pid 422] close(28) = -1 EBADF (Bad file descriptor) [pid 422] close(29) = -1 EBADF (Bad file descriptor) [pid 422] exit_group(0) = ? [pid 424] <... futex resumed>) = ? [pid 424] +++ exited with 0 +++ [pid 423] <... futex resumed>) = ? [pid 423] +++ exited with 0 +++ [pid 422] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=132, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756f750) = 135 ./strace-static-x86_64: Process 425 attached [pid 425] set_robust_list(0x55555756f760, 24) = 0 [pid 425] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 425] setpgid(0, 0) = 0 [pid 425] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 425] write(3, "1000", 4) = 4 [pid 425] close(3) = 0 [pid 425] write(1, "executing program\n", 18executing program ) = 18 [pid 425] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 425] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 425] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 425] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 425] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 425] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 425] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0} => {parent_tid=[136]}, 88) = 136 [pid 425] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 425] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 425] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 425] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf61c000 [pid 425] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 425] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 425] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0} => {parent_tid=[137]}, 88) = 137 [pid 425] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 425] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 425] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 426 attached [pid 426] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 426] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 426] memfd_create("syzkaller", 0) = 3 [pid 426] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b721c000 [pid 426] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072./strace-static-x86_64: Process 427 attached [pid 427] set_robust_list(0x7f43bf63c9a0, 24) = 0 [pid 427] rt_sigprocmask(SIG_SETMASK, [], [pid 426] <... write resumed>) = 131072 [pid 427] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 427] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 426] munmap(0x7f43b721c000, 138412032) = 0 [pid 426] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [ 28.519750][ T423] loop0: detected capacity change from 0 to 256 [pid 426] ioctl(5, LOOP_SET_FD, 3 [pid 427] <... openat resumed>) = 4 [pid 427] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 425] <... futex resumed>) = 0 [pid 425] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 425] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 427] <... futex resumed>) = 1 [pid 427] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 4, 0) = 0x200000000000 [pid 427] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 425] <... futex resumed>) = 0 [pid 425] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 425] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 427] <... futex resumed>) = 1 [pid 427] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 427] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 427] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 425] <... futex resumed>) = 0 [pid 425] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 425] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 427] <... futex resumed>) = 1 [pid 427] creat(0x200000000040, 000 [pid 426] <... ioctl resumed>) = 0 [pid 427] <... creat resumed>) = 6 [pid 427] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 426] close(3 [pid 425] <... futex resumed>) = 0 [pid 425] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 425] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 427] <... futex resumed>) = 1 [pid 427] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 427] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 425] <... futex resumed>) = 0 [pid 425] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 425] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 427] <... futex resumed>) = 1 [pid 427] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 7 [pid 427] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 425] <... futex resumed>) = 0 [pid 425] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 425] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 427] <... futex resumed>) = 1 [pid 427] write(7, 0x200000000080, 34136651 [pid 426] <... close resumed>) = 0 [pid 426] close(5) = 0 [pid 426] mkdir(0x200000000240, 0777) = -1 ENOENT (No such file or directory) [pid 426] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [pid 426] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 426] ioctl(3, LOOP_CLR_FD) = 0 [pid 426] close(3 [pid 427] <... write resumed>) = 131072 [pid 426] <... close resumed>) = 0 [pid 426] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 426] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 427] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 425] <... futex resumed>) = 0 [pid 425] close(3) = -1 EBADF (Bad file descriptor) [pid 425] close(4) = 0 [pid 425] close(5) = -1 EBADF (Bad file descriptor) [pid 425] close(6 [pid 427] <... futex resumed>) = 1 [pid 425] <... close resumed>) = 0 [pid 427] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 425] close(7) = 0 [pid 425] close(8) = -1 EBADF (Bad file descriptor) [pid 425] close(9) = -1 EBADF (Bad file descriptor) [pid 425] close(10) = -1 EBADF (Bad file descriptor) [pid 425] close(11) = -1 EBADF (Bad file descriptor) [pid 425] close(12) = -1 EBADF (Bad file descriptor) [pid 425] close(13) = -1 EBADF (Bad file descriptor) [pid 425] close(14) = -1 EBADF (Bad file descriptor) [pid 425] close(15) = -1 EBADF (Bad file descriptor) [pid 425] close(16) = -1 EBADF (Bad file descriptor) [pid 425] close(17) = -1 EBADF (Bad file descriptor) [pid 425] close(18) = -1 EBADF (Bad file descriptor) [pid 425] close(19) = -1 EBADF (Bad file descriptor) [pid 425] close(20) = -1 EBADF (Bad file descriptor) [pid 425] close(21) = -1 EBADF (Bad file descriptor) [pid 425] close(22) = -1 EBADF (Bad file descriptor) [pid 425] close(23) = -1 EBADF (Bad file descriptor) [pid 425] close(24) = -1 EBADF (Bad file descriptor) [pid 425] close(25) = -1 EBADF (Bad file descriptor) [pid 425] close(26) = -1 EBADF (Bad file descriptor) [pid 425] close(27) = -1 EBADF (Bad file descriptor) [pid 425] close(28) = -1 EBADF (Bad file descriptor) [pid 425] close(29) = -1 EBADF (Bad file descriptor) [pid 425] exit_group(0) = ? [pid 426] <... futex resumed>) = ? [pid 427] <... futex resumed>) = ? [pid 427] +++ exited with 0 +++ [pid 426] +++ exited with 0 +++ [pid 425] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=135, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program , child_tidptr=0x55555756f750) = 138 ./strace-static-x86_64: Process 428 attached [pid 428] set_robust_list(0x55555756f760, 24) = 0 [pid 428] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 428] setpgid(0, 0) = 0 [pid 428] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 428] write(3, "1000", 4) = 4 [pid 428] close(3) = 0 [pid 428] write(1, "executing program\n", 18) = 18 [pid 428] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 428] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 428] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 428] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 428] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 428] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 428] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0} => {parent_tid=[139]}, 88) = 139 [pid 428] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 428] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 429 attached [pid 428] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 429] set_robust_list(0x7f43bf65d9a0, 24 [pid 428] <... futex resumed>) = 0 [pid 429] <... set_robust_list resumed>) = 0 [pid 428] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 429] rt_sigprocmask(SIG_SETMASK, [], [pid 428] <... mmap resumed>) = 0x7f43bf61c000 [pid 429] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 428] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE [pid 429] memfd_create("syzkaller", 0 [pid 428] <... mprotect resumed>) = 0 [pid 429] <... memfd_create resumed>) = 3 [pid 429] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 428] rt_sigprocmask(SIG_BLOCK, ~[], [pid 429] <... mmap resumed>) = 0x7f43b721c000 [pid 428] <... rt_sigprocmask resumed>[], 8) = 0 [pid 428] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0}./strace-static-x86_64: Process 430 attached [pid 430] set_robust_list(0x7f43bf63c9a0, 24) = 0 [pid 430] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 430] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 428] <... clone3 resumed> => {parent_tid=[140]}, 88) = 140 [pid 428] rt_sigprocmask(SIG_SETMASK, [], [pid 429] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 428] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 428] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 429] <... write resumed>) = 131072 [pid 430] <... futex resumed>) = 0 [pid 429] munmap(0x7f43b721c000, 138412032 [pid 428] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 430] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 429] <... munmap resumed>) = 0 [pid 429] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [ 28.575073][ T426] loop0: detected capacity change from 0 to 256 [pid 429] ioctl(5, LOOP_SET_FD, 3 [pid 430] <... openat resumed>) = 4 [pid 430] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 430] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 428] <... futex resumed>) = 0 [pid 428] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 428] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 430] <... futex resumed>) = 0 [pid 430] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 4, 0) = 0x200000000000 [pid 430] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 428] <... futex resumed>) = 0 [pid 428] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 428] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 430] <... futex resumed>) = 1 [pid 430] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 429] <... ioctl resumed>) = 0 [pid 429] close(3) = 0 [pid 429] close(5) = 0 [pid 429] mkdir(0x200000000240, 0777 [pid 430] mkdirat(AT_FDCWD, 0x200000000280, 0117 [pid 429] <... mkdir resumed>) = -1 ENOENT (No such file or directory) [pid 430] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 429] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [pid 430] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 430] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 429] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 429] ioctl(3, LOOP_CLR_FD) = 0 [pid 429] close(3) = 0 [pid 429] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 428] <... futex resumed>) = 0 [pid 429] <... futex resumed>) = 0 [pid 429] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 428] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 428] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 429] <... futex resumed>) = 0 [pid 429] creat(0x200000000040, 000) = 3 [pid 429] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 428] <... futex resumed>) = 0 [pid 428] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 428] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 429] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 429] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 428] <... futex resumed>) = 0 [pid 428] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 428] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 429] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 429] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 428] <... futex resumed>) = 0 [pid 428] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 428] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 429] write(5, 0x200000000080, 34136651) = 131072 [pid 429] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 429] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 428] <... futex resumed>) = 0 [pid 428] close(3) = 0 [pid 428] close(4) = 0 [pid 428] close(5) = 0 [pid 428] close(6) = -1 EBADF (Bad file descriptor) [pid 428] close(7) = -1 EBADF (Bad file descriptor) [pid 428] close(8) = -1 EBADF (Bad file descriptor) [pid 428] close(9) = -1 EBADF (Bad file descriptor) [pid 428] close(10) = -1 EBADF (Bad file descriptor) [pid 428] close(11) = -1 EBADF (Bad file descriptor) [pid 428] close(12) = -1 EBADF (Bad file descriptor) [pid 428] close(13) = -1 EBADF (Bad file descriptor) [pid 428] close(14) = -1 EBADF (Bad file descriptor) [pid 428] close(15) = -1 EBADF (Bad file descriptor) [pid 428] close(16) = -1 EBADF (Bad file descriptor) [pid 428] close(17) = -1 EBADF (Bad file descriptor) [pid 428] close(18) = -1 EBADF (Bad file descriptor) [pid 428] close(19) = -1 EBADF (Bad file descriptor) [pid 428] close(20) = -1 EBADF (Bad file descriptor) [pid 428] close(21) = -1 EBADF (Bad file descriptor) [pid 428] close(22) = -1 EBADF (Bad file descriptor) [pid 428] close(23) = -1 EBADF (Bad file descriptor) [pid 428] close(24) = -1 EBADF (Bad file descriptor) [pid 428] close(25) = -1 EBADF (Bad file descriptor) [pid 428] close(26) = -1 EBADF (Bad file descriptor) [pid 428] close(27) = -1 EBADF (Bad file descriptor) [pid 428] close(28) = -1 EBADF (Bad file descriptor) [pid 428] close(29) = -1 EBADF (Bad file descriptor) [pid 428] exit_group(0) = ? [pid 429] <... futex resumed>) = ? [pid 429] +++ exited with 0 +++ [pid 430] <... futex resumed>) = ? [pid 430] +++ exited with 0 +++ [pid 428] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=138, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756f750) = 141 ./strace-static-x86_64: Process 431 attached [pid 431] set_robust_list(0x55555756f760, 24) = 0 [pid 431] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 431] setpgid(0, 0) = 0 [pid 431] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 431] write(3, "1000", 4) = 4 [pid 431] close(3) = 0 [pid 431] write(1, "executing program\n", 18executing program ) = 18 [pid 431] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 431] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 431] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 431] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 431] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 431] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 431] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0} => {parent_tid=[142]}, 88) = 142 [pid 431] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 431] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 431] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 431] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf61c000 [pid 431] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 431] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 431] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0} => {parent_tid=[143]}, 88) = 143 [pid 431] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 433 attached ./strace-static-x86_64: Process 432 attached NULL, 8) = 0 [pid 433] set_robust_list(0x7f43bf63c9a0, 24) = 0 [pid 433] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 433] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 432] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 432] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 431] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000 [pid 432] memfd_create("syzkaller", 0 [pid 433] <... futex resumed>) = 0 [pid 433] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 432] <... memfd_create resumed>) = 4 [pid 431] <... futex resumed>) = 1 [pid 432] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 431] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 432] <... mmap resumed>) = 0x7f43b721c000 [pid 432] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [ 28.633840][ T429] loop0: detected capacity change from 0 to 256 [pid 432] munmap(0x7f43b721c000, 138412032) = 0 [pid 432] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 432] ioctl(5, LOOP_SET_FD, 4 [pid 433] <... openat resumed>) = 3 [pid 433] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 433] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 431] <... futex resumed>) = 0 [pid 431] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 431] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 433] <... futex resumed>) = 0 [pid 433] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 433] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 432] <... ioctl resumed>) = 0 [pid 432] close(4) = 0 [pid 433] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 432] close(5) = 0 [pid 432] mkdir(0x200000000240, 0777) = -1 ENOENT (No such file or directory) [pid 432] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [pid 432] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 432] ioctl(4, LOOP_CLR_FD [pid 431] <... futex resumed>) = 0 [pid 432] <... ioctl resumed>) = 0 [pid 432] close(4 [pid 431] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000 [pid 432] <... close resumed>) = 0 [pid 432] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 432] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 433] <... futex resumed>) = 0 [pid 431] <... futex resumed>) = 1 [pid 431] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 433] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 433] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 431] <... futex resumed>) = 0 [pid 431] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 431] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 433] <... futex resumed>) = 1 [pid 433] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 432] <... futex resumed>) = 0 [pid 432] creat(0x200000000040, 000) = 4 [pid 432] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 431] <... futex resumed>) = 0 [pid 431] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 431] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 432] <... futex resumed>) = 1 [pid 432] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 432] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 431] <... futex resumed>) = 0 [pid 431] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 431] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 432] <... futex resumed>) = 1 [pid 432] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 432] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 431] <... futex resumed>) = 0 [pid 431] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 431] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 432] <... futex resumed>) = 1 [pid 432] write(5, 0x200000000080, 34136651) = 131072 [pid 432] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 431] <... futex resumed>) = 0 [pid 431] close(3) = 0 [pid 431] close(4 [pid 432] <... futex resumed>) = 1 [pid 431] <... close resumed>) = 0 [pid 432] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 431] close(5) = 0 [pid 431] close(6) = -1 EBADF (Bad file descriptor) [pid 431] close(7) = -1 EBADF (Bad file descriptor) [pid 431] close(8) = -1 EBADF (Bad file descriptor) [pid 431] close(9) = -1 EBADF (Bad file descriptor) [pid 431] close(10) = -1 EBADF (Bad file descriptor) [pid 431] close(11) = -1 EBADF (Bad file descriptor) [pid 431] close(12) = -1 EBADF (Bad file descriptor) [pid 431] close(13) = -1 EBADF (Bad file descriptor) [pid 431] close(14) = -1 EBADF (Bad file descriptor) [pid 431] close(15) = -1 EBADF (Bad file descriptor) [pid 431] close(16) = -1 EBADF (Bad file descriptor) [pid 431] close(17) = -1 EBADF (Bad file descriptor) [pid 431] close(18) = -1 EBADF (Bad file descriptor) [pid 431] close(19) = -1 EBADF (Bad file descriptor) [pid 431] close(20) = -1 EBADF (Bad file descriptor) [pid 431] close(21) = -1 EBADF (Bad file descriptor) [pid 431] close(22) = -1 EBADF (Bad file descriptor) [pid 431] close(23) = -1 EBADF (Bad file descriptor) [pid 431] close(24) = -1 EBADF (Bad file descriptor) [pid 431] close(25) = -1 EBADF (Bad file descriptor) [pid 431] close(26) = -1 EBADF (Bad file descriptor) [pid 431] close(27) = -1 EBADF (Bad file descriptor) [pid 431] close(28) = -1 EBADF (Bad file descriptor) [pid 431] close(29) = -1 EBADF (Bad file descriptor) [pid 431] exit_group(0 [pid 433] <... futex resumed>) = ? [pid 431] <... exit_group resumed>) = ? [pid 432] <... futex resumed>) = ? [pid 432] +++ exited with 0 +++ [pid 433] +++ exited with 0 +++ [pid 431] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=141, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [ 28.695678][ T432] loop0: detected capacity change from 0 to 256 [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756f750) = 144 ./strace-static-x86_64: Process 434 attached [pid 434] set_robust_list(0x55555756f760, 24) = 0 [pid 434] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 434] setpgid(0, 0) = 0 [pid 434] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 434] write(3, "1000", 4) = 4 executing program [pid 434] close(3) = 0 [pid 434] write(1, "executing program\n", 18) = 18 [pid 434] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 434] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 434] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 434] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 434] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 434] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 434] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0} => {parent_tid=[145]}, 88) = 145 [pid 434] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 434] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 434] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 434] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf61c000 [pid 434] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 434] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 434] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0} => {parent_tid=[146]}, 88) = 146 [pid 434] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 434] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 434] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 436 attached [pid 436] set_robust_list(0x7f43bf63c9a0, 24) = 0 [pid 436] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 435 attached NULL, 8) = 0 [pid 435] set_robust_list(0x7f43bf65d9a0, 24 [pid 436] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 435] <... set_robust_list resumed>) = 0 [pid 435] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 435] memfd_create("syzkaller", 0) = 4 [pid 435] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b721c000 [pid 435] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 435] munmap(0x7f43b721c000, 138412032) = 0 [pid 435] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 435] ioctl(5, LOOP_SET_FD, 4 [pid 436] <... openat resumed>) = 3 [pid 436] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 434] <... futex resumed>) = 0 [pid 434] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 434] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 436] <... futex resumed>) = 1 [pid 436] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 436] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 434] <... futex resumed>) = 0 [pid 434] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 434] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 436] <... futex resumed>) = 1 [pid 436] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 436] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 436] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 434] <... futex resumed>) = 0 [pid 434] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 434] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 436] <... futex resumed>) = 1 [pid 436] creat(0x200000000040, 000) = 6 [pid 436] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 434] <... futex resumed>) = 0 [pid 434] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 434] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 436] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 436] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 434] <... futex resumed>) = 0 [pid 434] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 434] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 436] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 7 [pid 436] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 434] <... futex resumed>) = 0 [pid 434] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 434] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 436] write(7, 0x200000000080, 34136651 [pid 435] <... ioctl resumed>) = 0 [pid 435] close(4) = 0 [pid 435] close(5) = 0 [pid 435] mkdir(0x200000000240, 0777) = -1 ENOENT (No such file or directory) [pid 435] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [pid 435] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 435] ioctl(4, LOOP_CLR_FD) = 0 [pid 435] close(4) = 0 [pid 435] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 435] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 436] <... write resumed>) = 131072 [pid 436] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 436] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 434] <... futex resumed>) = 0 [pid 434] close(3) = 0 [pid 434] close(4) = -1 EBADF (Bad file descriptor) [pid 434] close(5) = -1 EBADF (Bad file descriptor) [pid 434] close(6) = 0 [pid 434] close(7) = 0 [pid 434] close(8) = -1 EBADF (Bad file descriptor) [pid 434] close(9) = -1 EBADF (Bad file descriptor) [pid 434] close(10) = -1 EBADF (Bad file descriptor) [pid 434] close(11) = -1 EBADF (Bad file descriptor) [pid 434] close(12) = -1 EBADF (Bad file descriptor) [pid 434] close(13) = -1 EBADF (Bad file descriptor) [pid 434] close(14) = -1 EBADF (Bad file descriptor) [pid 434] close(15) = -1 EBADF (Bad file descriptor) [pid 434] close(16) = -1 EBADF (Bad file descriptor) [pid 434] close(17) = -1 EBADF (Bad file descriptor) [pid 434] close(18) = -1 EBADF (Bad file descriptor) [pid 434] close(19) = -1 EBADF (Bad file descriptor) [pid 434] close(20) = -1 EBADF (Bad file descriptor) [pid 434] close(21) = -1 EBADF (Bad file descriptor) [pid 434] close(22) = -1 EBADF (Bad file descriptor) [pid 434] close(23) = -1 EBADF (Bad file descriptor) [pid 434] close(24) = -1 EBADF (Bad file descriptor) [pid 434] close(25) = -1 EBADF (Bad file descriptor) [pid 434] close(26) = -1 EBADF (Bad file descriptor) [pid 434] close(27) = -1 EBADF (Bad file descriptor) [pid 434] close(28) = -1 EBADF (Bad file descriptor) [pid 434] close(29) = -1 EBADF (Bad file descriptor) [pid 434] exit_group(0) = ? [pid 436] <... futex resumed>) = ? [pid 436] +++ exited with 0 +++ [pid 435] <... futex resumed>) = ? [pid 435] +++ exited with 0 +++ [pid 434] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=144, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [ 28.776164][ T435] loop0: detected capacity change from 0 to 256 [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756f750) = 147 ./strace-static-x86_64: Process 437 attached [pid 437] set_robust_list(0x55555756f760, 24) = 0 [pid 437] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 437] setpgid(0, 0) = 0 [pid 437] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 437] write(3, "1000", 4) = 4 [pid 437] close(3executing program ) = 0 [pid 437] write(1, "executing program\n", 18) = 18 [pid 437] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 437] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 437] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 437] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 437] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 437] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 437] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0} => {parent_tid=[148]}, 88) = 148 [pid 437] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 437] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 437] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 437] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf61c000 [pid 437] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 437] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 437] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0} => {parent_tid=[149]}, 88) = 149 [pid 437] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 437] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 437] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 439 attached [pid 439] set_robust_list(0x7f43bf63c9a0, 24) = 0 [pid 439] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 439] openat(AT_FDCWD, "/selinux/policy", O_RDONLY./strace-static-x86_64: Process 438 attached [pid 438] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 438] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 438] memfd_create("syzkaller", 0) = 4 [pid 438] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b721c000 [pid 438] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 438] munmap(0x7f43b721c000, 138412032) = 0 [pid 438] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 438] ioctl(5, LOOP_SET_FD, 4 [pid 439] <... openat resumed>) = 3 [pid 439] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 437] <... futex resumed>) = 0 [pid 437] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 437] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 439] <... futex resumed>) = 1 [pid 439] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 439] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 437] <... futex resumed>) = 0 [pid 437] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 437] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 439] <... futex resumed>) = 1 [pid 439] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 439] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 439] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 437] <... futex resumed>) = 0 [pid 437] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 437] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 439] <... futex resumed>) = 1 [pid 439] creat(0x200000000040, 000 [pid 438] <... ioctl resumed>) = 0 [pid 439] <... creat resumed>) = 6 [pid 439] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 437] <... futex resumed>) = 0 [pid 437] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 437] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 438] close(4 [pid 439] <... futex resumed>) = 1 [pid 439] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL [pid 438] <... close resumed>) = 0 [pid 438] close(5) = 0 [pid 438] mkdir(0x200000000240, 0777) = -1 ENOENT (No such file or directory) [pid 439] <... mount resumed>) = 0 [pid 438] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [pid 439] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 437] <... futex resumed>) = 0 [pid 437] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 437] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 439] <... futex resumed>) = 1 [pid 439] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c [pid 438] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 439] <... open resumed>) = 4 [pid 438] <... openat resumed>) = 5 [pid 438] ioctl(5, LOOP_CLR_FD [pid 439] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 438] <... ioctl resumed>) = 0 [pid 437] <... futex resumed>) = 0 [pid 437] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 437] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 439] <... futex resumed>) = 1 [pid 438] close(5 [pid 439] write(4, 0x200000000080, 34136651 [pid 438] <... close resumed>) = 0 [pid 438] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 438] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 439] <... write resumed>) = 131072 [pid 439] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 437] <... futex resumed>) = 0 [pid 437] close(3) = 0 [pid 437] close(4) = 0 [pid 437] close(5) = -1 EBADF (Bad file descriptor) [pid 437] close(6) = 0 [pid 437] close(7) = -1 EBADF (Bad file descriptor) [pid 437] close(8) = -1 EBADF (Bad file descriptor) [pid 437] close(9) = -1 EBADF (Bad file descriptor) [pid 437] close(10) = -1 EBADF (Bad file descriptor) [pid 437] close(11) = -1 EBADF (Bad file descriptor) [pid 437] close(12) = -1 EBADF (Bad file descriptor) [pid 437] close(13) = -1 EBADF (Bad file descriptor) [pid 437] close(14) = -1 EBADF (Bad file descriptor) [pid 437] close(15 [pid 439] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 437] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 437] close(16) = -1 EBADF (Bad file descriptor) [pid 437] close(17) = -1 EBADF (Bad file descriptor) [pid 437] close(18) = -1 EBADF (Bad file descriptor) [pid 437] close(19) = -1 EBADF (Bad file descriptor) [pid 437] close(20) = -1 EBADF (Bad file descriptor) [pid 437] close(21) = -1 EBADF (Bad file descriptor) [pid 437] close(22) = -1 EBADF (Bad file descriptor) [pid 437] close(23) = -1 EBADF (Bad file descriptor) [pid 437] close(24) = -1 EBADF (Bad file descriptor) [pid 437] close(25) = -1 EBADF (Bad file descriptor) [pid 437] close(26) = -1 EBADF (Bad file descriptor) [pid 437] close(27) = -1 EBADF (Bad file descriptor) [pid 437] close(28) = -1 EBADF (Bad file descriptor) [pid 437] close(29) = -1 EBADF (Bad file descriptor) [pid 437] exit_group(0) = ? [pid 439] <... futex resumed>) = ? [pid 438] <... futex resumed>) = ? [pid 439] +++ exited with 0 +++ [pid 438] +++ exited with 0 +++ [pid 437] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=147, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756f750) = 150 ./strace-static-x86_64: Process 440 attached [pid 440] set_robust_list(0x55555756f760, 24) = 0 executing program [pid 440] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 440] setpgid(0, 0) = 0 [pid 440] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 440] write(3, "1000", 4) = 4 [pid 440] close(3) = 0 [pid 440] write(1, "executing program\n", 18) = 18 [pid 440] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 440] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 440] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 440] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 440] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 440] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 440] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0} => {parent_tid=[151]}, 88) = 151 [pid 440] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 440] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 440] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 440] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf61c000 [pid 440] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 440] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 440] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0} => {parent_tid=[152]}, 88) = 152 [pid 440] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 440] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 440] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 442 attached [pid 442] set_robust_list(0x7f43bf63c9a0, 24) = 0 [pid 442] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 442] openat(AT_FDCWD, "/selinux/policy", O_RDONLY./strace-static-x86_64: Process 441 attached [pid 441] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 441] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 441] memfd_create("syzkaller", 0) = 4 [pid 441] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b721c000 [pid 441] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 441] munmap(0x7f43b721c000, 138412032) = 0 [pid 441] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 441] ioctl(5, LOOP_SET_FD, 4 [pid 442] <... openat resumed>) = 3 [pid 442] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 440] <... futex resumed>) = 0 [pid 440] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 440] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 442] <... futex resumed>) = 1 [pid 442] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 442] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 440] <... futex resumed>) = 0 [pid 440] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 440] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 442] <... futex resumed>) = 1 [pid 442] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 442] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 442] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 440] <... futex resumed>) = 0 [pid 440] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 440] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 442] <... futex resumed>) = 1 [pid 442] creat(0x200000000040, 000 [pid 441] <... ioctl resumed>) = 0 [pid 442] <... creat resumed>) = 6 [pid 442] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 440] <... futex resumed>) = 0 [pid 440] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 440] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 441] close(4 [pid 442] <... futex resumed>) = 1 [pid 441] <... close resumed>) = 0 [pid 442] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL [pid 441] close(5 [pid 442] <... mount resumed>) = 0 [pid 441] <... close resumed>) = 0 [pid 441] mkdir(0x200000000240, 0777) = -1 ENOENT (No such file or directory) [pid 441] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [pid 442] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 440] <... futex resumed>) = 0 [pid 440] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 440] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 442] <... futex resumed>) = 1 [pid 442] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 4 [pid 441] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 441] ioctl(5, LOOP_CLR_FD [pid 442] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 441] <... ioctl resumed>) = 0 [pid 440] <... futex resumed>) = 0 [pid 440] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 440] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 442] <... futex resumed>) = 1 [pid 441] close(5 [pid 442] write(4, 0x200000000080, 34136651 [pid 441] <... close resumed>) = 0 [pid 441] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 441] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 442] <... write resumed>) = 131072 [pid 442] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 440] <... futex resumed>) = 0 [pid 440] close(3) = 0 [pid 440] close(4) = 0 [pid 440] close(5) = -1 EBADF (Bad file descriptor) [pid 440] close(6) = 0 [pid 440] close(7) = -1 EBADF (Bad file descriptor) [pid 440] close(8) = -1 EBADF (Bad file descriptor) [pid 440] close(9) = -1 EBADF (Bad file descriptor) [pid 440] close(10) = -1 EBADF (Bad file descriptor) [pid 440] close(11) = -1 EBADF (Bad file descriptor) [pid 440] close(12) = -1 EBADF (Bad file descriptor) [pid 440] close(13) = -1 EBADF (Bad file descriptor) [pid 440] close(14) = -1 EBADF (Bad file descriptor) [pid 440] close(15) = -1 EBADF (Bad file descriptor) [pid 440] close(16) = -1 EBADF (Bad file descriptor) [pid 440] close(17) = -1 EBADF (Bad file descriptor) [pid 440] close(18) = -1 EBADF (Bad file descriptor) [pid 440] close(19) = -1 EBADF (Bad file descriptor) [pid 440] close(20) = -1 EBADF (Bad file descriptor) [pid 440] close(21) = -1 EBADF (Bad file descriptor) [pid 440] close(22) = -1 EBADF (Bad file descriptor) [pid 440] close(23) = -1 EBADF (Bad file descriptor) [pid 440] close(24) = -1 EBADF (Bad file descriptor) [pid 440] close(25) = -1 EBADF (Bad file descriptor) [pid 440] close(26) = -1 EBADF (Bad file descriptor) [pid 440] close(27) = -1 EBADF (Bad file descriptor) [pid 440] close(28) = -1 EBADF (Bad file descriptor) [pid 440] close(29) = -1 EBADF (Bad file descriptor) [pid 440] exit_group(0) = ? [pid 441] <... futex resumed>) = ? [pid 441] +++ exited with 0 +++ [pid 442] <... futex resumed>) = ? [pid 442] +++ exited with 0 +++ [pid 440] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=150, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [ 28.850157][ T438] loop0: detected capacity change from 0 to 256 [ 28.889282][ T441] loop0: detected capacity change from 0 to 256 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756f750) = 153 ./strace-static-x86_64: Process 443 attached [pid 443] set_robust_list(0x55555756f760, 24) = 0 [pid 443] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 443] setpgid(0, 0) = 0 [pid 443] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 443] write(3, "1000", 4) = 4 [pid 443] close(3) = 0 [pid 443] write(1, "executing program\n", 18executing program ) = 18 [pid 443] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 443] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 443] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 443] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 443] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 443] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 443] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0} => {parent_tid=[154]}, 88) = 154 [pid 443] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 443] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 443] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 443] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf61c000 [pid 443] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 443] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 443] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0}./strace-static-x86_64: Process 444 attached ./strace-static-x86_64: Process 445 attached [pid 444] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 445] set_robust_list(0x7f43bf63c9a0, 24 [pid 444] rt_sigprocmask(SIG_SETMASK, [], [pid 445] <... set_robust_list resumed>) = 0 [pid 444] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 445] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 445] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 444] memfd_create("syzkaller", 0 [pid 443] <... clone3 resumed> => {parent_tid=[155]}, 88) = 155 [pid 444] <... memfd_create resumed>) = 3 [pid 444] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 443] rt_sigprocmask(SIG_SETMASK, [], [pid 444] <... mmap resumed>) = 0x7f43b721c000 [pid 443] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 443] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 445] <... futex resumed>) = 0 [pid 445] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 444] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 443] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 444] <... write resumed>) = 131072 [pid 444] munmap(0x7f43b721c000, 138412032) = 0 [pid 444] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 444] ioctl(5, LOOP_SET_FD, 3 [pid 445] <... openat resumed>) = 4 [pid 445] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 445] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 443] <... futex resumed>) = 0 [pid 443] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 443] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 445] <... futex resumed>) = 0 [pid 445] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 4, 0) = 0x200000000000 [pid 445] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 443] <... futex resumed>) = 0 [pid 443] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 443] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 445] <... futex resumed>) = 1 [pid 445] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 445] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 445] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 443] <... futex resumed>) = 0 [pid 443] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 443] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 445] <... futex resumed>) = 1 [pid 444] <... ioctl resumed>) = 0 [pid 444] close(3 [pid 445] creat(0x200000000040, 000 [pid 444] <... close resumed>) = 0 [pid 444] close(5) = 0 [pid 445] <... creat resumed>) = 3 [pid 444] mkdir(0x200000000240, 0777) = -1 ENOENT (No such file or directory) [pid 444] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [pid 445] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 443] <... futex resumed>) = 0 [pid 443] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 443] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 445] <... futex resumed>) = 1 [pid 445] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 444] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 444] ioctl(5, LOOP_CLR_FD) = 0 [pid 444] close(5) = 0 [pid 445] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 443] <... futex resumed>) = 0 [pid 443] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 443] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 445] <... futex resumed>) = 1 [pid 444] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 445] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c [pid 444] <... futex resumed>) = 0 [pid 445] <... open resumed>) = 5 [pid 444] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 445] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 443] <... futex resumed>) = 0 [pid 443] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 443] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 444] <... futex resumed>) = 0 [pid 444] write(5, 0x200000000080, 34136651 [pid 445] <... futex resumed>) = 1 [pid 445] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 444] <... write resumed>) = 131072 [pid 444] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 443] <... futex resumed>) = 0 [pid 443] close(3) = 0 [pid 443] close(4) = 0 [pid 443] close(5) = 0 [pid 443] close(6) = -1 EBADF (Bad file descriptor) [pid 443] close(7) = -1 EBADF (Bad file descriptor) [pid 443] close(8) = -1 EBADF (Bad file descriptor) [pid 443] close(9) = -1 EBADF (Bad file descriptor) [pid 443] close(10) = -1 EBADF (Bad file descriptor) [pid 443] close(11) = -1 EBADF (Bad file descriptor) [pid 443] close(12) = -1 EBADF (Bad file descriptor) [pid 443] close(13) = -1 EBADF (Bad file descriptor) [pid 443] close(14) = -1 EBADF (Bad file descriptor) [pid 443] close(15) = -1 EBADF (Bad file descriptor) [pid 443] close(16) = -1 EBADF (Bad file descriptor) [pid 443] close(17) = -1 EBADF (Bad file descriptor) [pid 443] close(18) = -1 EBADF (Bad file descriptor) [pid 443] close(19) = -1 EBADF (Bad file descriptor) [pid 443] close(20) = -1 EBADF (Bad file descriptor) [pid 444] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 443] close(21) = -1 EBADF (Bad file descriptor) [pid 443] close(22) = -1 EBADF (Bad file descriptor) [pid 443] close(23) = -1 EBADF (Bad file descriptor) [pid 443] close(24) = -1 EBADF (Bad file descriptor) [pid 443] close(25) = -1 EBADF (Bad file descriptor) [pid 443] close(26) = -1 EBADF (Bad file descriptor) [pid 443] close(27) = -1 EBADF (Bad file descriptor) [pid 443] close(28) = -1 EBADF (Bad file descriptor) [pid 443] close(29) = -1 EBADF (Bad file descriptor) [pid 443] exit_group(0) = ? [pid 445] <... futex resumed>) = ? [pid 445] +++ exited with 0 +++ [pid 444] <... futex resumed>) = ? [pid 444] +++ exited with 0 +++ [pid 443] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=153, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program ./strace-static-x86_64: Process 446 attached , child_tidptr=0x55555756f750) = 156 [pid 446] set_robust_list(0x55555756f760, 24) = 0 [pid 446] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 446] setpgid(0, 0) = 0 [pid 446] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 446] write(3, "1000", 4) = 4 [pid 446] close(3) = 0 [pid 446] write(1, "executing program\n", 18) = 18 [pid 446] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 446] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 446] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 446] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 446] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 446] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 446] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0} => {parent_tid=[157]}, 88) = 157 [pid 446] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 446] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 446] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 446] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf61c000 [pid 446] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 446] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 446] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0} => {parent_tid=[158]}, 88) = 158 [pid 446] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 446] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 446] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 448 attached [pid 448] set_robust_list(0x7f43bf63c9a0, 24) = 0 [pid 448] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 448] openat(AT_FDCWD, "/selinux/policy", O_RDONLY./strace-static-x86_64: Process 447 attached [pid 447] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 447] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 447] memfd_create("syzkaller", 0) = 4 [pid 447] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b721c000 [pid 447] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 447] munmap(0x7f43b721c000, 138412032) = 0 [pid 447] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [ 28.943559][ T444] loop0: detected capacity change from 0 to 256 [pid 447] ioctl(5, LOOP_SET_FD, 4) = 0 [pid 447] close(4) = 0 [pid 447] close(5 [pid 448] <... openat resumed>) = 3 [pid 448] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 446] <... futex resumed>) = 0 [pid 446] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 446] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 448] <... futex resumed>) = 1 [pid 448] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 448] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 446] <... futex resumed>) = 0 [pid 446] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 446] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 448] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 448] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 448] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 446] <... futex resumed>) = 0 [pid 446] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 446] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 448] <... futex resumed>) = 1 [pid 448] creat(0x200000000040, 000 [pid 447] <... close resumed>) = 0 [pid 448] <... creat resumed>) = 4 [pid 448] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 446] <... futex resumed>) = 0 [pid 446] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 446] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 448] <... futex resumed>) = 1 [pid 448] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL [pid 447] mkdir(0x200000000240, 0777 [pid 448] <... mount resumed>) = 0 [pid 447] <... mkdir resumed>) = -1 ENOENT (No such file or directory) [pid 448] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 446] <... futex resumed>) = 0 [pid 446] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 446] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 448] <... futex resumed>) = 1 [pid 448] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 448] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 446] <... futex resumed>) = 0 [pid 446] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 446] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 448] <... futex resumed>) = 1 [ 28.989933][ T447] loop0: detected capacity change from 0 to 256 [pid 448] write(5, 0x200000000080, 34136651 [pid 447] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [pid 447] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 6 [pid 447] ioctl(6, LOOP_CLR_FD) = 0 [pid 447] close(6) = 0 [pid 448] <... write resumed>) = 131072 [pid 448] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 446] <... futex resumed>) = 0 [pid 448] <... futex resumed>) = 1 [pid 448] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 447] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 447] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 446] close(3) = 0 [pid 446] close(4) = 0 [pid 446] close(5) = 0 [pid 446] close(6) = -1 EBADF (Bad file descriptor) [pid 446] close(7) = -1 EBADF (Bad file descriptor) [pid 446] close(8) = -1 EBADF (Bad file descriptor) [pid 446] close(9) = -1 EBADF (Bad file descriptor) [pid 446] close(10) = -1 EBADF (Bad file descriptor) [pid 446] close(11) = -1 EBADF (Bad file descriptor) [pid 446] close(12) = -1 EBADF (Bad file descriptor) [pid 446] close(13) = -1 EBADF (Bad file descriptor) [pid 446] close(14) = -1 EBADF (Bad file descriptor) [pid 446] close(15) = -1 EBADF (Bad file descriptor) [pid 446] close(16) = -1 EBADF (Bad file descriptor) [pid 446] close(17) = -1 EBADF (Bad file descriptor) [pid 446] close(18) = -1 EBADF (Bad file descriptor) [pid 446] close(19) = -1 EBADF (Bad file descriptor) [pid 446] close(20) = -1 EBADF (Bad file descriptor) [pid 446] close(21) = -1 EBADF (Bad file descriptor) [pid 446] close(22) = -1 EBADF (Bad file descriptor) [pid 446] close(23) = -1 EBADF (Bad file descriptor) [pid 446] close(24) = -1 EBADF (Bad file descriptor) [pid 446] close(25) = -1 EBADF (Bad file descriptor) [pid 446] close(26) = -1 EBADF (Bad file descriptor) [pid 446] close(27) = -1 EBADF (Bad file descriptor) [pid 446] close(28) = -1 EBADF (Bad file descriptor) [pid 446] close(29) = -1 EBADF (Bad file descriptor) [pid 446] exit_group(0 [pid 447] <... futex resumed>) = ? [pid 446] <... exit_group resumed>) = ? [pid 448] <... futex resumed>) = ? [pid 447] +++ exited with 0 +++ [pid 448] +++ exited with 0 +++ [pid 446] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=156, si_uid=0, si_status=0, si_utime=1, si_stime=0} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756f750) = 159 ./strace-static-x86_64: Process 449 attached [pid 449] set_robust_list(0x55555756f760, 24) = 0 [pid 449] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 449] setpgid(0, 0) = 0 [pid 449] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 449] write(3, "1000", 4) = 4 executing program [pid 449] close(3) = 0 [pid 449] write(1, "executing program\n", 18) = 18 [pid 449] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 449] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 449] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 449] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 449] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 449] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 449] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0} => {parent_tid=[160]}, 88) = 160 [pid 449] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 449] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 449] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 449] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf61c000 [pid 449] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 449] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 449] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0} => {parent_tid=[161]}, 88) = 161 [pid 449] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 449] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 449] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 451 attached [pid 451] set_robust_list(0x7f43bf63c9a0, 24) = 0 [pid 451] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 451] openat(AT_FDCWD, "/selinux/policy", O_RDONLY./strace-static-x86_64: Process 450 attached [pid 450] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 450] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 450] memfd_create("syzkaller", 0) = 4 [pid 450] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b721c000 [pid 450] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 451] <... openat resumed>) = 3 [pid 451] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 449] <... futex resumed>) = 0 [pid 449] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 449] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 451] <... futex resumed>) = 1 [pid 451] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0 [pid 450] munmap(0x7f43b721c000, 138412032 [pid 451] <... mmap resumed>) = 0x200000000000 [pid 451] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 449] <... futex resumed>) = 0 [pid 449] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 449] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 451] <... futex resumed>) = 1 [pid 451] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 450] <... munmap resumed>) = 0 [pid 451] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 451] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 449] <... futex resumed>) = 0 [pid 449] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 449] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 451] <... futex resumed>) = 1 [pid 451] creat(0x200000000040, 000 [pid 450] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 451] <... creat resumed>) = 5 [pid 451] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 449] <... futex resumed>) = 0 [pid 449] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 449] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 451] <... futex resumed>) = 1 [pid 451] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 450] <... openat resumed>) = 6 [pid 451] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 449] <... futex resumed>) = 0 [pid 449] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 449] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 451] <... futex resumed>) = 1 [pid 451] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 7 [pid 450] ioctl(6, LOOP_SET_FD, 4 [pid 451] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 449] <... futex resumed>) = 0 [pid 449] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 449] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 451] <... futex resumed>) = 1 [pid 451] write(7, 0x200000000080, 34136651) = -1 ENOSPC (No space left on device) [pid 451] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 449] <... futex resumed>) = 0 [pid 451] <... futex resumed>) = 1 [pid 451] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 450] <... ioctl resumed>) = 0 [pid 450] close(4) = 0 [pid 450] close(6) = 0 [pid 450] mkdir(0x200000000240, 0777) = -1 ENOENT (No such file or directory) [pid 450] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [pid 450] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 450] ioctl(4, LOOP_CLR_FD) = 0 [pid 450] close(4) = 0 [pid 450] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 450] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 449] close(3) = 0 [pid 449] close(4) = -1 EBADF (Bad file descriptor) [pid 449] close(5) = 0 [pid 449] close(6) = -1 EBADF (Bad file descriptor) [ 29.134999][ T450] loop0: detected capacity change from 0 to 256 [pid 449] close(7) = 0 [pid 449] close(8) = -1 EBADF (Bad file descriptor) [pid 449] close(9) = -1 EBADF (Bad file descriptor) [pid 449] close(10) = -1 EBADF (Bad file descriptor) [pid 449] close(11) = -1 EBADF (Bad file descriptor) [pid 449] close(12) = -1 EBADF (Bad file descriptor) [pid 449] close(13) = -1 EBADF (Bad file descriptor) [pid 449] close(14) = -1 EBADF (Bad file descriptor) [pid 449] close(15) = -1 EBADF (Bad file descriptor) [pid 449] close(16) = -1 EBADF (Bad file descriptor) [pid 449] close(17) = -1 EBADF (Bad file descriptor) [pid 449] close(18) = -1 EBADF (Bad file descriptor) [pid 449] close(19) = -1 EBADF (Bad file descriptor) [pid 449] close(20) = -1 EBADF (Bad file descriptor) [pid 449] close(21) = -1 EBADF (Bad file descriptor) [pid 449] close(22) = -1 EBADF (Bad file descriptor) [pid 449] close(23) = -1 EBADF (Bad file descriptor) [pid 449] close(24) = -1 EBADF (Bad file descriptor) [pid 449] close(25) = -1 EBADF (Bad file descriptor) [pid 449] close(26) = -1 EBADF (Bad file descriptor) [pid 449] close(27) = -1 EBADF (Bad file descriptor) [pid 449] close(28) = -1 EBADF (Bad file descriptor) [pid 449] close(29) = -1 EBADF (Bad file descriptor) [pid 449] exit_group(0) = ? [pid 451] <... futex resumed>) = ? [pid 451] +++ exited with 0 +++ [pid 450] <... futex resumed>) = ? [pid 450] +++ exited with 0 +++ [pid 449] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=159, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756f750) = 162 ./strace-static-x86_64: Process 452 attached [pid 452] set_robust_list(0x55555756f760, 24) = 0 [pid 452] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 452] setpgid(0, 0) = 0 [pid 452] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 452] write(3, "1000", 4) = 4 [pid 452] close(3) = 0 [pid 452] write(1, "executing program\n", 18executing program ) = 18 [pid 452] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 452] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 452] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 452] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 452] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 452] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 452] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0}./strace-static-x86_64: Process 453 attached => {parent_tid=[163]}, 88) = 163 [pid 453] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 453] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 453] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 452] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 452] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 453] <... futex resumed>) = 0 [pid 453] memfd_create("syzkaller", 0) = 3 [pid 453] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b723d000 [pid 452] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 452] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43b721c000 [pid 453] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 452] mprotect(0x7f43b721d000, 131072, PROT_READ|PROT_WRITE [pid 453] <... write resumed>) = 131072 [pid 453] munmap(0x7f43b723d000, 138412032) = 0 [pid 453] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 453] ioctl(4, LOOP_SET_FD, 3 [pid 452] <... mprotect resumed>) = 0 [pid 453] <... ioctl resumed>) = 0 [pid 452] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 452] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43b723c990, parent_tid=0x7f43b723c990, exit_signal=0, stack=0x7f43b721c000, stack_size=0x20240, tls=0x7f43b723c6c0} => {parent_tid=[164]}, 88) = 164 [pid 452] rt_sigprocmask(SIG_SETMASK, [], [pid 453] close(3 [pid 452] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 453] <... close resumed>) = 0 [pid 452] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000 [pid 453] close(4 [pid 452] <... futex resumed>) = 0 [pid 453] <... close resumed>) = 0 [pid 452] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 454 attached [pid 454] set_robust_list(0x7f43b723c9a0, 24) = 0 [pid 454] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 454] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 453] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 453] mount("/dev/loop0", "./file0", "exfat", MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "" [pid 454] <... openat resumed>) = 3 [pid 454] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 452] <... futex resumed>) = 0 [pid 452] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 452] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 454] <... futex resumed>) = 1 [pid 454] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 454] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 452] <... futex resumed>) = 0 [pid 452] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 452] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 454] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 454] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 454] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 452] <... futex resumed>) = 0 [pid 452] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 452] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 454] creat(0x200000000040, 000) = 4 [pid 454] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 29.219493][ T453] loop0: detected capacity change from 0 to 256 [pid 454] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 452] <... futex resumed>) = 0 [pid 452] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 452] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 454] <... futex resumed>) = 0 [pid 454] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 454] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 452] <... futex resumed>) = 0 [pid 452] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 452] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 454] <... futex resumed>) = 1 [pid 454] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 454] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 452] <... futex resumed>) = 0 [pid 452] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 452] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 454] <... futex resumed>) = 1 [pid 454] write(5, 0x200000000080, 34136651) = 131072 [pid 454] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 452] <... futex resumed>) = 0 [pid 454] <... futex resumed>) = 1 [pid 454] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 453] <... mount resumed>) = -1 EIO (Input/output error) [pid 453] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 6 [pid 453] ioctl(6, LOOP_CLR_FD) = 0 [pid 453] close(6) = 0 [pid 453] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 453] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 452] close(3) = 0 [pid 452] close(4) = 0 [ 29.261373][ T453] exFAT-fs (loop0): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. [ 29.272143][ T453] exFAT-fs (loop0): Medium has reported failures. Some data may be lost. [ 29.280615][ T453] exFAT-fs (loop0): unable to set blocksize 33554432 [ 29.287409][ T453] exFAT-fs (loop0): failed to read boot sector [ 29.293626][ T453] exFAT-fs (loop0): failed to recognize exfat type [pid 452] close(5) = 0 [pid 452] close(6) = -1 EBADF (Bad file descriptor) [pid 452] close(7) = -1 EBADF (Bad file descriptor) [pid 452] close(8) = -1 EBADF (Bad file descriptor) [pid 452] close(9) = -1 EBADF (Bad file descriptor) [pid 452] close(10) = -1 EBADF (Bad file descriptor) [pid 452] close(11) = -1 EBADF (Bad file descriptor) [pid 452] close(12) = -1 EBADF (Bad file descriptor) [pid 452] close(13) = -1 EBADF (Bad file descriptor) [pid 452] close(14) = -1 EBADF (Bad file descriptor) [pid 452] close(15) = -1 EBADF (Bad file descriptor) [pid 452] close(16) = -1 EBADF (Bad file descriptor) [pid 452] close(17) = -1 EBADF (Bad file descriptor) [pid 452] close(18) = -1 EBADF (Bad file descriptor) [pid 452] close(19) = -1 EBADF (Bad file descriptor) [pid 452] close(20) = -1 EBADF (Bad file descriptor) [pid 452] close(21) = -1 EBADF (Bad file descriptor) [pid 452] close(22) = -1 EBADF (Bad file descriptor) [pid 452] close(23) = -1 EBADF (Bad file descriptor) [pid 452] close(24) = -1 EBADF (Bad file descriptor) [pid 452] close(25) = -1 EBADF (Bad file descriptor) [pid 452] close(26) = -1 EBADF (Bad file descriptor) [pid 452] close(27) = -1 EBADF (Bad file descriptor) [pid 452] close(28) = -1 EBADF (Bad file descriptor) [pid 452] close(29) = -1 EBADF (Bad file descriptor) [pid 452] exit_group(0) = ? [pid 453] <... futex resumed>) = ? [pid 453] +++ exited with 0 +++ [pid 454] <... futex resumed>) = ? [pid 454] +++ exited with 0 +++ [pid 452] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=162, si_uid=0, si_status=0, si_utime=0, si_stime=5} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756f750) = 165 ./strace-static-x86_64: Process 455 attached [pid 455] set_robust_list(0x55555756f760, 24) = 0 [pid 455] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 455] setpgid(0, 0) = 0 [pid 455] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 455] write(3, "1000", 4executing program ) = 4 [pid 455] close(3) = 0 [pid 455] write(1, "executing program\n", 18) = 18 [pid 455] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 455] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 455] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 455] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 455] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 455] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 455] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0} => {parent_tid=[166]}, 88) = 166 ./strace-static-x86_64: Process 456 attached [pid 455] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 455] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 455] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 455] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf61c000 [pid 455] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 455] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 455] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0} => {parent_tid=[167]}, 88) = 167 [pid 456] set_robust_list(0x7f43bf65d9a0, 24 [pid 455] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 455] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 455] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 457 attached [pid 457] set_robust_list(0x7f43bf63c9a0, 24) = 0 [pid 457] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 457] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 456] <... set_robust_list resumed>) = 0 [pid 456] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 456] memfd_create("syzkaller", 0) = 4 [pid 456] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b721c000 [pid 456] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 456] munmap(0x7f43b721c000, 138412032) = 0 [pid 456] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 456] ioctl(5, LOOP_SET_FD, 4 [pid 457] <... openat resumed>) = 3 [pid 457] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 457] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 455] <... futex resumed>) = 0 [pid 455] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 455] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 457] <... futex resumed>) = 0 [pid 457] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 457] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 456] <... ioctl resumed>) = 0 [pid 455] <... futex resumed>) = 0 [pid 455] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 455] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 457] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 456] close(4 [pid 457] mkdirat(AT_FDCWD, 0x200000000280, 0117 [pid 456] <... close resumed>) = 0 [pid 457] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 457] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 457] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 456] close(5 [pid 455] <... futex resumed>) = 0 [pid 456] <... close resumed>) = 0 [pid 456] mkdir(0x200000000240, 0777) = -1 ENOENT (No such file or directory) [pid 456] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [pid 456] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 456] ioctl(4, LOOP_CLR_FD) = 0 [pid 456] close(4) = 0 [pid 455] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 457] <... futex resumed>) = 0 [pid 456] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 455] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 457] creat(0x200000000040, 000 [pid 456] <... futex resumed>) = 0 [pid 456] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 457] <... creat resumed>) = 4 [pid 457] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 455] <... futex resumed>) = 0 [pid 455] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 457] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 456] <... futex resumed>) = 0 [pid 455] <... futex resumed>) = 1 [pid 456] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL [pid 455] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 456] <... mount resumed>) = 0 [pid 456] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 455] <... futex resumed>) = 0 [pid 455] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 455] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 456] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 456] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 455] <... futex resumed>) = 0 [pid 456] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 455] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 455] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 456] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 456] write(5, 0x200000000080, 34136651) = -1 ENOSPC (No space left on device) [pid 456] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 455] <... futex resumed>) = 0 [pid 455] close(3) = 0 [pid 455] close(4) = 0 [pid 455] close(5) = 0 [pid 455] close(6 [pid 456] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 455] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 455] close(7) = -1 EBADF (Bad file descriptor) [pid 455] close(8) = -1 EBADF (Bad file descriptor) [pid 455] close(9) = -1 EBADF (Bad file descriptor) [pid 455] close(10) = -1 EBADF (Bad file descriptor) [pid 455] close(11) = -1 EBADF (Bad file descriptor) [pid 455] close(12) = -1 EBADF (Bad file descriptor) [pid 455] close(13) = -1 EBADF (Bad file descriptor) [pid 455] close(14) = -1 EBADF (Bad file descriptor) [pid 455] close(15) = -1 EBADF (Bad file descriptor) [pid 455] close(16) = -1 EBADF (Bad file descriptor) [pid 455] close(17) = -1 EBADF (Bad file descriptor) [pid 455] close(18) = -1 EBADF (Bad file descriptor) [pid 455] close(19) = -1 EBADF (Bad file descriptor) [pid 455] close(20) = -1 EBADF (Bad file descriptor) [pid 455] close(21) = -1 EBADF (Bad file descriptor) [pid 455] close(22) = -1 EBADF (Bad file descriptor) [pid 455] close(23) = -1 EBADF (Bad file descriptor) [pid 455] close(24) = -1 EBADF (Bad file descriptor) [pid 455] close(25) = -1 EBADF (Bad file descriptor) [pid 455] close(26) = -1 EBADF (Bad file descriptor) [pid 455] close(27) = -1 EBADF (Bad file descriptor) [pid 455] close(28) = -1 EBADF (Bad file descriptor) [pid 455] close(29) = -1 EBADF (Bad file descriptor) [pid 455] exit_group(0) = ? [pid 456] <... futex resumed>) = ? [pid 456] +++ exited with 0 +++ [pid 457] <... futex resumed>) = ? [pid 457] +++ exited with 0 +++ [pid 455] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=165, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [ 29.365199][ T456] loop0: detected capacity change from 0 to 256 [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756f750) = 168 ./strace-static-x86_64: Process 458 attached [pid 458] set_robust_list(0x55555756f760, 24) = 0 [pid 458] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 458] setpgid(0, 0) = 0 [pid 458] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 458] write(3, "1000", 4) = 4 [pid 458] close(3) = 0 executing program [pid 458] write(1, "executing program\n", 18) = 18 [pid 458] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 458] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 458] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 458] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 458] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 458] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 458] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0} => {parent_tid=[169]}, 88) = 169 [pid 458] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 458] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 458] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 458] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf61c000 [pid 458] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 458] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 458] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0} => {parent_tid=[170]}, 88) = 170 [pid 458] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 458] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 458] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 460 attached [pid 460] set_robust_list(0x7f43bf63c9a0, 24) = 0 [pid 460] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 460] openat(AT_FDCWD, "/selinux/policy", O_RDONLY./strace-static-x86_64: Process 459 attached [pid 459] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 459] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 459] memfd_create("syzkaller", 0) = 4 [pid 459] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b721c000 [pid 459] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 459] munmap(0x7f43b721c000, 138412032) = 0 [pid 459] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 459] ioctl(5, LOOP_SET_FD, 4 [pid 460] <... openat resumed>) = 3 [pid 460] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 458] <... futex resumed>) = 0 [pid 458] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 458] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 460] <... futex resumed>) = 1 [pid 460] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 460] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 458] <... futex resumed>) = 0 [pid 458] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 458] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 460] <... futex resumed>) = 1 [pid 460] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 460] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 460] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 458] <... futex resumed>) = 0 [pid 458] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 458] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 460] <... futex resumed>) = 1 [pid 460] creat(0x200000000040, 000 [pid 459] <... ioctl resumed>) = 0 [pid 460] <... creat resumed>) = 6 [pid 460] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 458] <... futex resumed>) = 0 [pid 458] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 458] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 460] <... futex resumed>) = 1 [pid 460] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 459] close(4) = 0 [pid 459] close(5) = 0 [pid 460] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 459] mkdir(0x200000000240, 0777 [pid 458] <... futex resumed>) = 0 [pid 458] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 458] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 459] <... mkdir resumed>) = -1 ENOENT (No such file or directory) [pid 460] <... futex resumed>) = 1 [pid 460] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c [pid 459] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t" [pid 460] <... open resumed>) = 4 [pid 459] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 460] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 458] <... futex resumed>) = 0 [pid 458] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 458] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 460] <... futex resumed>) = 1 [pid 459] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 460] write(4, 0x200000000080, 34136651 [pid 459] <... openat resumed>) = 5 [pid 459] ioctl(5, LOOP_CLR_FD) = 0 [pid 459] close(5) = 0 [pid 459] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 459] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 460] <... write resumed>) = 131072 [pid 460] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 458] <... futex resumed>) = 0 [pid 458] close(3) = 0 [pid 458] close(4) = 0 [pid 458] close(5) = -1 EBADF (Bad file descriptor) [pid 458] close(6) = 0 [pid 458] close(7) = -1 EBADF (Bad file descriptor) [pid 458] close(8) = -1 EBADF (Bad file descriptor) [pid 458] close(9) = -1 EBADF (Bad file descriptor) [pid 458] close(10) = -1 EBADF (Bad file descriptor) [pid 458] close(11) = -1 EBADF (Bad file descriptor) [pid 458] close(12) = -1 EBADF (Bad file descriptor) [pid 458] close(13) = -1 EBADF (Bad file descriptor) [pid 458] close(14) = -1 EBADF (Bad file descriptor) [pid 458] close(15) = -1 EBADF (Bad file descriptor) [pid 458] close(16 [pid 460] <... futex resumed>) = 1 [pid 458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 458] close(17) = -1 EBADF (Bad file descriptor) [pid 458] close(18) = -1 EBADF (Bad file descriptor) [pid 458] close(19) = -1 EBADF (Bad file descriptor) [pid 458] close(20) = -1 EBADF (Bad file descriptor) [pid 458] close(21 [pid 460] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 458] close(22) = -1 EBADF (Bad file descriptor) [pid 458] close(23) = -1 EBADF (Bad file descriptor) [pid 458] close(24) = -1 EBADF (Bad file descriptor) [pid 458] close(25) = -1 EBADF (Bad file descriptor) [pid 458] close(26) = -1 EBADF (Bad file descriptor) [pid 458] close(27) = -1 EBADF (Bad file descriptor) [pid 458] close(28) = -1 EBADF (Bad file descriptor) [pid 458] close(29) = -1 EBADF (Bad file descriptor) [pid 458] exit_group(0) = ? [pid 460] <... futex resumed>) = ? [pid 460] +++ exited with 0 +++ [pid 459] <... futex resumed>) = ? [pid 459] +++ exited with 0 +++ [pid 458] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=168, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [ 29.441018][ T459] loop0: detected capacity change from 0 to 256 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWRexecuting program ) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756f750) = 171 ./strace-static-x86_64: Process 461 attached [pid 461] set_robust_list(0x55555756f760, 24) = 0 [pid 461] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 461] setpgid(0, 0) = 0 [pid 461] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 461] write(3, "1000", 4) = 4 [pid 461] close(3) = 0 [pid 461] write(1, "executing program\n", 18) = 18 [pid 461] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 461] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 461] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 461] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 461] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 461] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 461] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0} => {parent_tid=[172]}, 88) = 172 [pid 461] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 461] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 461] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 461] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf61c000 [pid 461] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 461] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 461] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0} => {parent_tid=[173]}, 88) = 173 [pid 461] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 461] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 461] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 463 attached ./strace-static-x86_64: Process 462 attached [pid 463] set_robust_list(0x7f43bf63c9a0, 24) = 0 [pid 463] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 463] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 462] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 462] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 462] memfd_create("syzkaller", 0) = 4 [pid 462] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b721c000 [pid 462] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 462] munmap(0x7f43b721c000, 138412032) = 0 [pid 462] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 462] ioctl(5, LOOP_SET_FD, 4 [pid 463] <... openat resumed>) = 3 [pid 463] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 463] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 461] <... futex resumed>) = 0 [pid 461] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 461] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 463] <... futex resumed>) = 0 [pid 463] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 463] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 462] <... ioctl resumed>) = 0 [pid 462] close(4) = 0 [pid 463] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 462] close(5) = 0 [pid 461] <... futex resumed>) = 0 [pid 461] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000 [pid 462] mkdir(0x200000000240, 0777 [pid 461] <... futex resumed>) = 1 [pid 461] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 462] <... mkdir resumed>) = -1 ENOENT (No such file or directory) [pid 462] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [pid 462] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 462] ioctl(4, LOOP_CLR_FD) = 0 [pid 462] close(4) = 0 [pid 462] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 462] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 463] <... futex resumed>) = 0 [pid 463] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 463] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 461] <... futex resumed>) = 0 [pid 461] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 461] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 463] <... futex resumed>) = 1 [pid 462] <... futex resumed>) = 0 [pid 463] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 462] creat(0x200000000040, 000) = 4 [pid 462] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 461] <... futex resumed>) = 0 [pid 461] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 461] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 462] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 462] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 461] <... futex resumed>) = 0 [pid 461] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 461] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 462] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 462] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 461] <... futex resumed>) = 0 [pid 461] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 461] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 462] write(5, 0x200000000080, 34136651) = -1 ENOSPC (No space left on device) [pid 462] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 461] <... futex resumed>) = 0 [pid 461] close(3) = 0 [pid 461] close(4) = 0 [pid 461] close(5) = 0 [pid 461] close(6) = -1 EBADF (Bad file descriptor) [pid 461] close(7) = -1 EBADF (Bad file descriptor) [pid 462] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 461] close(8) = -1 EBADF (Bad file descriptor) [pid 461] close(9) = -1 EBADF (Bad file descriptor) [pid 461] close(10) = -1 EBADF (Bad file descriptor) [pid 461] close(11) = -1 EBADF (Bad file descriptor) [pid 461] close(12) = -1 EBADF (Bad file descriptor) [pid 461] close(13) = -1 EBADF (Bad file descriptor) [pid 461] close(14) = -1 EBADF (Bad file descriptor) [pid 461] close(15) = -1 EBADF (Bad file descriptor) [pid 461] close(16) = -1 EBADF (Bad file descriptor) [pid 461] close(17) = -1 EBADF (Bad file descriptor) [pid 461] close(18) = -1 EBADF (Bad file descriptor) [pid 461] close(19) = -1 EBADF (Bad file descriptor) [pid 461] close(20) = -1 EBADF (Bad file descriptor) [pid 461] close(21) = -1 EBADF (Bad file descriptor) [pid 461] close(22) = -1 EBADF (Bad file descriptor) [pid 461] close(23) = -1 EBADF (Bad file descriptor) [pid 461] close(24) = -1 EBADF (Bad file descriptor) [pid 461] close(25) = -1 EBADF (Bad file descriptor) [pid 461] close(26) = -1 EBADF (Bad file descriptor) [pid 461] close(27) = -1 EBADF (Bad file descriptor) [pid 461] close(28) = -1 EBADF (Bad file descriptor) [pid 461] close(29) = -1 EBADF (Bad file descriptor) [pid 461] exit_group(0) = ? [pid 463] <... futex resumed>) = ? [pid 463] +++ exited with 0 +++ [pid 462] <... futex resumed>) = ? [pid 462] +++ exited with 0 +++ [pid 461] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=171, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756f750) = 174 ./strace-static-x86_64: Process 464 attached [pid 464] set_robust_list(0x55555756f760, 24) = 0 [pid 464] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 464] setpgid(0, 0) = 0 [pid 464] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 464] write(3, "1000", 4) = 4 [pid 464] close(3) = 0 [pid 464] write(1, "executing program\n", 18executing program ) = 18 [pid 464] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 464] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 464] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 464] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 464] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 464] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 464] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0}./strace-static-x86_64: Process 465 attached => {parent_tid=[175]}, 88) = 175 [pid 464] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 464] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 464] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 464] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf61c000 [pid 464] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 464] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 464] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0} => {parent_tid=[176]}, 88) = 176 [pid 464] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 464] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 29.542415][ T462] loop0: detected capacity change from 0 to 256 [pid 464] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 466 attached [pid 466] set_robust_list(0x7f43bf63c9a0, 24) = 0 [pid 466] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 466] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 465] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 465] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 465] memfd_create("syzkaller", 0) = 4 [pid 465] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b721c000 [pid 465] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 465] munmap(0x7f43b721c000, 138412032) = 0 [pid 465] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 465] ioctl(5, LOOP_SET_FD, 4 [pid 466] <... openat resumed>) = 3 [pid 466] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 466] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 464] <... futex resumed>) = 0 [pid 464] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 464] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 466] <... futex resumed>) = 0 [pid 466] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 466] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 465] <... ioctl resumed>) = 0 [pid 464] <... futex resumed>) = 0 [pid 464] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 464] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 466] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 466] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 466] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 464] <... futex resumed>) = 0 [pid 464] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 464] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 466] <... futex resumed>) = 1 [pid 466] creat(0x200000000040, 000) = 6 [pid 466] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 464] <... futex resumed>) = 0 [pid 464] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 464] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 466] <... futex resumed>) = 1 [pid 466] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 466] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 464] <... futex resumed>) = 0 [pid 464] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 464] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 466] <... futex resumed>) = 1 [pid 466] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 7 [pid 466] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 464] <... futex resumed>) = 0 [pid 464] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000 [pid 465] close(4 [pid 466] <... futex resumed>) = 1 [pid 464] <... futex resumed>) = 0 [pid 464] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 465] <... close resumed>) = 0 [pid 465] close(5) = 0 [pid 465] mkdir(0x200000000240, 0777) = -1 ENOENT (No such file or directory) [pid 465] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [pid 465] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 465] ioctl(4, LOOP_CLR_FD) = 0 [pid 465] close(4) = 0 [pid 465] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 465] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 466] write(7, 0x200000000080, 34136651) = 131072 [pid 466] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 464] <... futex resumed>) = 0 [pid 466] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 464] close(3) = 0 [pid 464] close(4) = -1 EBADF (Bad file descriptor) [pid 464] close(5) = -1 EBADF (Bad file descriptor) [pid 464] close(6) = 0 [pid 464] close(7) = 0 [pid 464] close(8) = -1 EBADF (Bad file descriptor) [pid 464] close(9) = -1 EBADF (Bad file descriptor) [pid 464] close(10) = -1 EBADF (Bad file descriptor) [pid 464] close(11) = -1 EBADF (Bad file descriptor) [pid 464] close(12) = -1 EBADF (Bad file descriptor) [pid 464] close(13) = -1 EBADF (Bad file descriptor) [pid 464] close(14) = -1 EBADF (Bad file descriptor) [pid 464] close(15) = -1 EBADF (Bad file descriptor) [pid 464] close(16) = -1 EBADF (Bad file descriptor) [pid 464] close(17) = -1 EBADF (Bad file descriptor) [pid 464] close(18) = -1 EBADF (Bad file descriptor) [pid 464] close(19) = -1 EBADF (Bad file descriptor) [pid 464] close(20) = -1 EBADF (Bad file descriptor) [pid 464] close(21) = -1 EBADF (Bad file descriptor) [pid 464] close(22) = -1 EBADF (Bad file descriptor) [pid 464] close(23) = -1 EBADF (Bad file descriptor) [pid 464] close(24) = -1 EBADF (Bad file descriptor) [pid 464] close(25) = -1 EBADF (Bad file descriptor) [pid 464] close(26) = -1 EBADF (Bad file descriptor) [pid 464] close(27) = -1 EBADF (Bad file descriptor) [pid 464] close(28) = -1 EBADF (Bad file descriptor) [pid 464] close(29) = -1 EBADF (Bad file descriptor) [pid 464] exit_group(0) = ? [pid 466] <... futex resumed>) = ? [pid 465] <... futex resumed>) = ? [pid 465] +++ exited with 0 +++ [pid 466] +++ exited with 0 +++ [pid 464] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=174, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756f750) = 177 ./strace-static-x86_64: Process 467 attached [pid 467] set_robust_list(0x55555756f760, 24) = 0 [pid 467] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 467] setpgid(0, 0) = 0 [pid 467] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 467] write(3, "1000", 4) = 4 [pid 467] close(3) = 0 [pid 467] write(1, "executing program\n", 18executing program ) = 18 [pid 467] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 467] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 467] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 467] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 467] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 467] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 467] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0} => {parent_tid=[178]}, 88) = 178 [pid 467] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 467] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 467] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 467] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf61c000 [pid 467] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 467] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 467] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0} => {parent_tid=[179]}, 88) = 179 [pid 467] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 467] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 467] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 468 attached [pid 468] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 468] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 468] memfd_create("syzkaller", 0) = 3 [pid 468] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b721c000 ./strace-static-x86_64: Process 469 attached [pid 469] set_robust_list(0x7f43bf63c9a0, 24 [pid 468] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 469] <... set_robust_list resumed>) = 0 [pid 469] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 469] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 468] <... write resumed>) = 131072 [pid 468] munmap(0x7f43b721c000, 138412032) = 0 [pid 468] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [ 29.607827][ T465] loop0: detected capacity change from 0 to 256 [pid 468] ioctl(5, LOOP_SET_FD, 3 [pid 469] <... openat resumed>) = 4 [pid 469] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 469] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 467] <... futex resumed>) = 0 [pid 467] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 467] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 469] <... futex resumed>) = 0 [pid 469] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 4, 0) = 0x200000000000 [pid 469] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 468] <... ioctl resumed>) = 0 [pid 467] <... futex resumed>) = 0 [pid 467] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 467] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 469] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 469] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 469] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 467] <... futex resumed>) = 0 [pid 467] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 467] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 469] <... futex resumed>) = 1 [pid 469] creat(0x200000000040, 000) = 6 [pid 469] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 467] <... futex resumed>) = 0 [pid 467] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 467] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 469] <... futex resumed>) = 1 [pid 469] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 469] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 467] <... futex resumed>) = 0 [pid 467] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 467] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 469] <... futex resumed>) = 1 [pid 469] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 7 [pid 469] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 467] <... futex resumed>) = 0 [pid 467] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 467] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 469] <... futex resumed>) = 1 [pid 468] close(3 [pid 469] write(7, 0x200000000080, 34136651 [pid 468] <... close resumed>) = 0 [pid 468] close(5 [pid 469] <... write resumed>) = 131072 [pid 468] <... close resumed>) = 0 [pid 468] mkdir(0x200000000240, 0777) = -1 ENOENT (No such file or directory) [pid 468] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t" [pid 469] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 468] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 467] <... futex resumed>) = 0 [pid 469] <... futex resumed>) = 1 [pid 469] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 468] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 468] ioctl(3, LOOP_CLR_FD) = 0 [pid 468] close(3) = 0 [pid 468] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 468] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 467] close(3) = -1 EBADF (Bad file descriptor) [pid 467] close(4) = 0 [pid 467] close(5) = -1 EBADF (Bad file descriptor) [pid 467] close(6) = 0 [pid 467] close(7) = 0 [pid 467] close(8) = -1 EBADF (Bad file descriptor) [pid 467] close(9) = -1 EBADF (Bad file descriptor) [pid 467] close(10) = -1 EBADF (Bad file descriptor) [pid 467] close(11) = -1 EBADF (Bad file descriptor) [pid 467] close(12) = -1 EBADF (Bad file descriptor) [pid 467] close(13) = -1 EBADF (Bad file descriptor) [pid 467] close(14) = -1 EBADF (Bad file descriptor) [pid 467] close(15) = -1 EBADF (Bad file descriptor) [pid 467] close(16) = -1 EBADF (Bad file descriptor) [pid 467] close(17) = -1 EBADF (Bad file descriptor) [pid 467] close(18) = -1 EBADF (Bad file descriptor) [pid 467] close(19) = -1 EBADF (Bad file descriptor) [pid 467] close(20) = -1 EBADF (Bad file descriptor) [pid 467] close(21) = -1 EBADF (Bad file descriptor) [pid 467] close(22) = -1 EBADF (Bad file descriptor) [pid 467] close(23) = -1 EBADF (Bad file descriptor) [pid 467] close(24) = -1 EBADF (Bad file descriptor) [pid 467] close(25) = -1 EBADF (Bad file descriptor) [pid 467] close(26) = -1 EBADF (Bad file descriptor) [pid 467] close(27) = -1 EBADF (Bad file descriptor) [pid 467] close(28) = -1 EBADF (Bad file descriptor) [pid 467] close(29) = -1 EBADF (Bad file descriptor) [pid 467] exit_group(0) = ? [pid 469] <... futex resumed>) = ? [pid 469] +++ exited with 0 +++ [pid 468] <... futex resumed>) = ? [pid 468] +++ exited with 0 +++ [pid 467] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=177, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756f750) = 180 ./strace-static-x86_64: Process 470 attached [pid 470] set_robust_list(0x55555756f760, 24) = 0 [pid 470] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 470] setpgid(0, 0) = 0 [pid 470] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 470] write(3, "1000", 4) = 4 [pid 470] close(3) = 0 [pid 470] write(1, "executing program\n", 18executing program ) = 18 [pid 470] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 470] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 470] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 470] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 470] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 470] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 470] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0} => {parent_tid=[181]}, 88) = 181 [pid 470] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 470] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 470] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 470] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf61c000 ./strace-static-x86_64: Process 471 attached [pid 470] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE [pid 471] set_robust_list(0x7f43bf65d9a0, 24 [pid 470] <... mprotect resumed>) = 0 [pid 471] <... set_robust_list resumed>) = 0 [pid 471] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 471] memfd_create("syzkaller", 0 [pid 470] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 470] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0} [pid 471] <... memfd_create resumed>) = 3 [pid 471] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b721c000 ./strace-static-x86_64: Process 472 attached [pid 470] <... clone3 resumed> => {parent_tid=[182]}, 88) = 182 [pid 472] set_robust_list(0x7f43bf63c9a0, 24) = 0 [pid 470] rt_sigprocmask(SIG_SETMASK, [], [pid 472] rt_sigprocmask(SIG_SETMASK, [], [pid 470] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 472] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 470] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000 [pid 471] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 472] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 470] <... futex resumed>) = 0 [pid 471] <... write resumed>) = 131072 [pid 471] munmap(0x7f43b721c000, 138412032) = 0 [pid 471] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [ 29.658627][ T468] loop0: detected capacity change from 0 to 256 [pid 471] ioctl(5, LOOP_SET_FD, 3 [pid 472] <... openat resumed>) = 4 [pid 470] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 472] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 470] <... futex resumed>) = 0 [pid 470] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 470] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 472] <... futex resumed>) = 1 [pid 472] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 4, 0) = 0x200000000000 [pid 472] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 470] <... futex resumed>) = 0 [pid 470] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 470] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 472] <... futex resumed>) = 1 [pid 472] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 472] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 472] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 470] <... futex resumed>) = 0 [pid 470] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 470] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 472] <... futex resumed>) = 1 [pid 472] creat(0x200000000040, 000) = 6 [pid 472] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 470] <... futex resumed>) = 0 [pid 470] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 470] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 472] <... futex resumed>) = 1 [pid 472] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 472] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 470] <... futex resumed>) = 0 [pid 470] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 470] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 472] <... futex resumed>) = 1 [pid 472] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 7 [pid 471] <... ioctl resumed>) = 0 [pid 472] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 470] <... futex resumed>) = 0 [pid 471] close(3 [pid 472] <... futex resumed>) = 1 [pid 470] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 470] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 471] <... close resumed>) = 0 [pid 471] close(5 [pid 472] write(7, 0x200000000080, 34136651) = 131072 [pid 471] <... close resumed>) = 0 [pid 471] mkdir(0x200000000240, 0777) = -1 ENOENT (No such file or directory) [pid 471] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [pid 471] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 471] ioctl(3, LOOP_CLR_FD) = 0 [pid 471] close(3) = 0 [pid 471] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 471] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 472] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 470] <... futex resumed>) = 0 [pid 470] close(3) = -1 EBADF (Bad file descriptor) [pid 470] close(4) = 0 [pid 470] close(5) = -1 EBADF (Bad file descriptor) [pid 470] close(6 [pid 472] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 470] <... close resumed>) = 0 [ 29.712268][ T471] loop0: detected capacity change from 0 to 256 [pid 470] close(7) = 0 [pid 470] close(8) = -1 EBADF (Bad file descriptor) [pid 470] close(9) = -1 EBADF (Bad file descriptor) [pid 470] close(10) = -1 EBADF (Bad file descriptor) [pid 470] close(11) = -1 EBADF (Bad file descriptor) [pid 470] close(12) = -1 EBADF (Bad file descriptor) [pid 470] close(13) = -1 EBADF (Bad file descriptor) [pid 470] close(14) = -1 EBADF (Bad file descriptor) [pid 470] close(15) = -1 EBADF (Bad file descriptor) [pid 470] close(16) = -1 EBADF (Bad file descriptor) [pid 470] close(17) = -1 EBADF (Bad file descriptor) [pid 470] close(18) = -1 EBADF (Bad file descriptor) [pid 470] close(19) = -1 EBADF (Bad file descriptor) [pid 470] close(20) = -1 EBADF (Bad file descriptor) [pid 470] close(21) = -1 EBADF (Bad file descriptor) [pid 470] close(22) = -1 EBADF (Bad file descriptor) [pid 470] close(23) = -1 EBADF (Bad file descriptor) [pid 470] close(24) = -1 EBADF (Bad file descriptor) [pid 470] close(25) = -1 EBADF (Bad file descriptor) [pid 470] close(26) = -1 EBADF (Bad file descriptor) [pid 470] close(27) = -1 EBADF (Bad file descriptor) [pid 470] close(28) = -1 EBADF (Bad file descriptor) [pid 470] close(29) = -1 EBADF (Bad file descriptor) [pid 470] exit_group(0 [pid 472] <... futex resumed>) = ? [pid 471] <... futex resumed>) = ? [pid 470] <... exit_group resumed>) = ? [pid 472] +++ exited with 0 +++ [pid 471] +++ exited with 0 +++ [pid 470] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=180, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756f750) = 183 ./strace-static-x86_64: Process 473 attached [pid 473] set_robust_list(0x55555756f760, 24) = 0 [pid 473] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 473] setpgid(0, 0) = 0 [pid 473] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 473] write(3, "1000", 4) = 4 [pid 473] close(3) = 0 [pid 473] write(1, "executing program\n", 18executing program ) = 18 [pid 473] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 473] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 473] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 473] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 473] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 473] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 473] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0} => {parent_tid=[184]}, 88) = 184 [pid 473] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 473] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 473] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 473] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf61c000 [pid 473] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 473] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 473] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0}./strace-static-x86_64: Process 474 attached [pid 474] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 474] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 474] memfd_create("syzkaller", 0 [pid 473] <... clone3 resumed> => {parent_tid=[185]}, 88) = 185 [pid 473] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 473] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 473] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 474] <... memfd_create resumed>) = 3 [pid 474] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0./strace-static-x86_64: Process 475 attached ) = 0x7f43b721c000 [pid 475] set_robust_list(0x7f43bf63c9a0, 24) = 0 [pid 475] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 475] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 474] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 474] munmap(0x7f43b721c000, 138412032) = 0 [pid 474] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 474] ioctl(5, LOOP_SET_FD, 3 [pid 475] <... openat resumed>) = 4 [pid 475] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 475] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 473] <... futex resumed>) = 0 [pid 473] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 473] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 475] <... futex resumed>) = 0 [pid 475] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 4, 0) = 0x200000000000 [pid 475] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 474] <... ioctl resumed>) = 0 [pid 473] <... futex resumed>) = 0 [pid 473] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 473] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 475] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 475] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 475] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 473] <... futex resumed>) = 0 [pid 473] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 473] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 475] <... futex resumed>) = 1 [pid 475] creat(0x200000000040, 000) = 6 [pid 475] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 473] <... futex resumed>) = 0 [pid 473] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 473] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 475] <... futex resumed>) = 1 [pid 475] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 475] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 473] <... futex resumed>) = 0 [pid 473] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 473] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 475] <... futex resumed>) = 1 [pid 475] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c [pid 474] close(3 [pid 475] <... open resumed>) = 7 [pid 474] <... close resumed>) = 0 [pid 475] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 474] close(5 [pid 475] <... futex resumed>) = 1 [pid 474] <... close resumed>) = 0 [pid 473] <... futex resumed>) = 0 [pid 473] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 473] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 475] write(7, 0x200000000080, 34136651 [pid 474] mkdir(0x200000000240, 0777) = -1 ENOENT (No such file or directory) [pid 474] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [pid 474] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 474] ioctl(3, LOOP_CLR_FD) = 0 [pid 474] close(3) = 0 [pid 474] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 474] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 475] <... write resumed>) = 131072 [pid 475] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 473] <... futex resumed>) = 0 [pid 473] close(3) = -1 EBADF (Bad file descriptor) [pid 473] close(4) = 0 [pid 473] close(5) = -1 EBADF (Bad file descriptor) [pid 473] close(6) = 0 [pid 473] close(7 [pid 475] <... futex resumed>) = 1 [pid 475] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 473] <... close resumed>) = 0 [pid 473] close(8) = -1 EBADF (Bad file descriptor) [pid 473] close(9) = -1 EBADF (Bad file descriptor) [pid 473] close(10) = -1 EBADF (Bad file descriptor) [pid 473] close(11) = -1 EBADF (Bad file descriptor) [pid 473] close(12) = -1 EBADF (Bad file descriptor) [pid 473] close(13) = -1 EBADF (Bad file descriptor) [pid 473] close(14) = -1 EBADF (Bad file descriptor) [pid 473] close(15) = -1 EBADF (Bad file descriptor) [pid 473] close(16) = -1 EBADF (Bad file descriptor) [pid 473] close(17) = -1 EBADF (Bad file descriptor) [pid 473] close(18) = -1 EBADF (Bad file descriptor) [pid 473] close(19) = -1 EBADF (Bad file descriptor) [pid 473] close(20) = -1 EBADF (Bad file descriptor) [pid 473] close(21) = -1 EBADF (Bad file descriptor) [pid 473] close(22) = -1 EBADF (Bad file descriptor) [pid 473] close(23) = -1 EBADF (Bad file descriptor) [pid 473] close(24) = -1 EBADF (Bad file descriptor) [pid 473] close(25) = -1 EBADF (Bad file descriptor) [pid 473] close(26) = -1 EBADF (Bad file descriptor) [pid 473] close(27) = -1 EBADF (Bad file descriptor) [pid 473] close(28) = -1 EBADF (Bad file descriptor) [pid 473] close(29) = -1 EBADF (Bad file descriptor) [pid 473] exit_group(0) = ? [pid 474] <... futex resumed>) = ? [pid 474] +++ exited with 0 +++ [pid 475] <... futex resumed>) = ? [pid 475] +++ exited with 0 +++ [pid 473] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=183, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756f750) = 186 ./strace-static-x86_64: Process 476 attached [pid 476] set_robust_list(0x55555756f760, 24) = 0 [pid 476] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 476] setpgid(0, 0) = 0 [pid 476] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 476] write(3, "1000", 4) = 4 [pid 476] close(3) = 0 [pid 476] write(1, "executing program\n", 18executing program ) = 18 [pid 476] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 476] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 476] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 476] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 476] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 476] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 476] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0} => {parent_tid=[187]}, 88) = 187 [pid 476] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 476] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 476] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 476] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf61c000 [pid 476] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE) = 0 [ 29.825511][ T474] loop0: detected capacity change from 0 to 256 [pid 476] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 476] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0} => {parent_tid=[188]}, 88) = 188 [pid 476] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 476] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 476] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 477 attached [pid 477] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 477] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 477] memfd_create("syzkaller", 0./strace-static-x86_64: Process 478 attached ) = 3 [pid 477] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b721c000 [pid 478] set_robust_list(0x7f43bf63c9a0, 24) = 0 [pid 478] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 478] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 477] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 477] munmap(0x7f43b721c000, 138412032) = 0 [pid 477] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 477] ioctl(5, LOOP_SET_FD, 3 [pid 478] <... openat resumed>) = 4 [pid 478] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 478] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 476] <... futex resumed>) = 0 [pid 476] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 476] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 478] <... futex resumed>) = 0 [pid 478] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 4, 0) = 0x200000000000 [pid 478] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 477] <... ioctl resumed>) = 0 [pid 476] <... futex resumed>) = 0 [pid 476] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 476] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 478] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 477] close(3 [pid 478] mkdirat(AT_FDCWD, 0x200000000280, 0117 [pid 477] <... close resumed>) = 0 [pid 477] close(5) = 0 [pid 478] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 477] mkdir(0x200000000240, 0777) = -1 ENOENT (No such file or directory) [pid 478] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 477] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t" [pid 478] <... futex resumed>) = 1 [pid 477] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 478] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 477] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 477] ioctl(3, LOOP_CLR_FD) = 0 [pid 477] close(3) = 0 [pid 477] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 477] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 476] <... futex resumed>) = 0 [pid 476] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 476] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 477] <... futex resumed>) = 0 [pid 477] creat(0x200000000040, 000) = 3 [pid 477] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 476] <... futex resumed>) = 0 [pid 477] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 476] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 476] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 477] <... futex resumed>) = 0 [pid 477] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 477] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 476] <... futex resumed>) = 0 [pid 476] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 476] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 477] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 477] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 476] <... futex resumed>) = 0 [pid 476] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 476] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 477] write(5, 0x200000000080, 34136651) = 131072 [pid 477] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 476] <... futex resumed>) = 0 [pid 476] close(3) = 0 [pid 476] close(4) = 0 [pid 476] close(5) = 0 [pid 476] close(6) = -1 EBADF (Bad file descriptor) [pid 476] close(7) = -1 EBADF (Bad file descriptor) [pid 476] close(8) = -1 EBADF (Bad file descriptor) [pid 476] close(9) = -1 EBADF (Bad file descriptor) [pid 476] close(10) = -1 EBADF (Bad file descriptor) [pid 476] close(11) = -1 EBADF (Bad file descriptor) [pid 476] close(12) = -1 EBADF (Bad file descriptor) [pid 476] close(13) = -1 EBADF (Bad file descriptor) [pid 476] close(14) = -1 EBADF (Bad file descriptor) [pid 476] close(15) = -1 EBADF (Bad file descriptor) [pid 476] close(16) = -1 EBADF (Bad file descriptor) [pid 476] close(17) = -1 EBADF (Bad file descriptor) [pid 476] close(18) = -1 EBADF (Bad file descriptor) [pid 476] close(19) = -1 EBADF (Bad file descriptor) [pid 476] close(20) = -1 EBADF (Bad file descriptor) [pid 476] close(21) = -1 EBADF (Bad file descriptor) [pid 476] close(22) = -1 EBADF (Bad file descriptor) [pid 476] close(23) = -1 EBADF (Bad file descriptor) [pid 476] close(24) = -1 EBADF (Bad file descriptor) [pid 476] close(25) = -1 EBADF (Bad file descriptor) [pid 476] close(26) = -1 EBADF (Bad file descriptor) [pid 476] close(27) = -1 EBADF (Bad file descriptor) [pid 476] close(28) = -1 EBADF (Bad file descriptor) [pid 476] close(29) = -1 EBADF (Bad file descriptor) [pid 476] exit_group(0) = ? [pid 478] <... futex resumed>) = ? [pid 478] +++ exited with 0 +++ [pid 477] +++ exited with 0 +++ [pid 476] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=186, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756f750) = 189 [ 29.892552][ T477] loop0: detected capacity change from 0 to 256 ./strace-static-x86_64: Process 479 attached [pid 479] set_robust_list(0x55555756f760, 24) = 0 [pid 479] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 479] setpgid(0, 0) = 0 [pid 479] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 479] write(3, "1000", 4) = 4 [pid 479] close(3) = 0 [pid 479] write(1, "executing program\n", 18executing program ) = 18 [pid 479] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 479] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 479] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 479] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 479] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 479] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 479] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0} => {parent_tid=[190]}, 88) = 190 [pid 479] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 479] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 479] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 479] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf61c000 [pid 479] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 479] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 479] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0} => {parent_tid=[191]}, 88) = 191 [pid 479] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 480 attached ./strace-static-x86_64: Process 481 attached [pid 480] set_robust_list(0x7f43bf65d9a0, 24 [pid 481] set_robust_list(0x7f43bf63c9a0, 24 [pid 480] <... set_robust_list resumed>) = 0 [pid 479] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000 [pid 481] <... set_robust_list resumed>) = 0 [pid 481] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 481] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 480] rt_sigprocmask(SIG_SETMASK, [], [pid 479] <... futex resumed>) = 0 [pid 480] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 479] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 480] memfd_create("syzkaller", 0) = 4 [pid 480] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b721c000 [pid 480] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 480] munmap(0x7f43b721c000, 138412032) = 0 [pid 480] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 480] ioctl(5, LOOP_SET_FD, 4 [pid 481] <... openat resumed>) = 3 [pid 481] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 481] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 479] <... futex resumed>) = 0 [pid 479] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 479] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 481] <... futex resumed>) = 0 [pid 481] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 480] <... ioctl resumed>) = 0 [pid 481] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 480] close(4 [pid 481] <... futex resumed>) = 1 [pid 479] <... futex resumed>) = 0 [pid 479] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 479] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 480] <... close resumed>) = 0 [pid 480] close(5 [pid 481] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 481] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 481] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 479] <... futex resumed>) = 0 [pid 479] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 479] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 481] <... futex resumed>) = 1 [ 29.966770][ T480] loop0: detected capacity change from 0 to 256 [pid 481] creat(0x200000000040, 000 [pid 480] <... close resumed>) = 0 [pid 480] mkdir(0x200000000240, 0777) = -1 ENOENT (No such file or directory) [pid 480] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [pid 480] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 479] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 479] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 479] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 479] futex(0x7f43bf72a62c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 479] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf5fb000 [pid 479] mprotect(0x7f43bf5fc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 479] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 479] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf61b990, parent_tid=0x7f43bf61b990, exit_signal=0, stack=0x7f43bf5fb000, stack_size=0x20240, tls=0x7f43bf61b6c0} => {parent_tid=[192]}, 88) = 192 [pid 479] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 479] futex(0x7f43bf72a628, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 479] futex(0x7f43bf72a62c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 482 attached [pid 482] set_robust_list(0x7f43bf61b9a0, 24) = 0 [pid 482] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 482] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 482] futex(0x7f43bf72a62c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 479] <... futex resumed>) = 0 [pid 479] futex(0x7f43bf72a628, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 479] futex(0x7f43bf72a62c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 482] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c [pid 481] <... creat resumed>) = 4 [pid 481] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 481] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 480] <... openat resumed>) = 5 [pid 480] ioctl(5, LOOP_CLR_FD) = 0 [pid 480] close(5) = 0 [pid 480] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 480] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 482] <... open resumed>) = 6 [pid 482] futex(0x7f43bf72a62c, FUTEX_WAKE_PRIVATE, 1000000 [pid 479] <... futex resumed>) = 0 [pid 479] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 480] <... futex resumed>) = 0 [pid 479] <... futex resumed>) = 1 [pid 480] write(6, 0x200000000080, 34136651 [pid 479] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 482] <... futex resumed>) = 1 [pid 480] <... write resumed>) = 131072 [pid 480] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 480] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 479] <... futex resumed>) = 0 [pid 479] close(3) = 0 [pid 479] close(4) = 0 [pid 479] close(5) = -1 EBADF (Bad file descriptor) [pid 479] close(6) = 0 [pid 479] close(7) = -1 EBADF (Bad file descriptor) [pid 479] close(8) = -1 EBADF (Bad file descriptor) [pid 479] close(9) = -1 EBADF (Bad file descriptor) [pid 479] close(10) = -1 EBADF (Bad file descriptor) [pid 479] close(11) = -1 EBADF (Bad file descriptor) [pid 479] close(12) = -1 EBADF (Bad file descriptor) [pid 479] close(13) = -1 EBADF (Bad file descriptor) [pid 479] close(14) = -1 EBADF (Bad file descriptor) [pid 479] close(15) = -1 EBADF (Bad file descriptor) [pid 479] close(16) = -1 EBADF (Bad file descriptor) [pid 479] close(17) = -1 EBADF (Bad file descriptor) [pid 479] close(18) = -1 EBADF (Bad file descriptor) [pid 479] close(19) = -1 EBADF (Bad file descriptor) [pid 479] close(20) = -1 EBADF (Bad file descriptor) [pid 479] close(21) = -1 EBADF (Bad file descriptor) [pid 479] close(22) = -1 EBADF (Bad file descriptor) [pid 479] close(23) = -1 EBADF (Bad file descriptor) [pid 479] close(24 [pid 482] futex(0x7f43bf72a628, FUTEX_WAIT_PRIVATE, 0, NULL [pid 479] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 479] close(25) = -1 EBADF (Bad file descriptor) [pid 479] close(26) = -1 EBADF (Bad file descriptor) [pid 479] close(27) = -1 EBADF (Bad file descriptor) [pid 479] close(28) = -1 EBADF (Bad file descriptor) [pid 479] close(29) = -1 EBADF (Bad file descriptor) [pid 479] exit_group(0 [pid 481] <... futex resumed>) = ? [pid 480] <... futex resumed>) = ? [pid 479] <... exit_group resumed>) = ? [pid 482] <... futex resumed>) = ? [pid 481] +++ exited with 0 +++ [pid 480] +++ exited with 0 +++ [pid 482] +++ exited with 0 +++ [pid 479] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=189, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program , child_tidptr=0x55555756f750) = 193 ./strace-static-x86_64: Process 483 attached [pid 483] set_robust_list(0x55555756f760, 24) = 0 [pid 483] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 483] setpgid(0, 0) = 0 [pid 483] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 483] write(3, "1000", 4) = 4 [pid 483] close(3) = 0 [pid 483] write(1, "executing program\n", 18) = 18 [pid 483] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 483] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 483] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 483] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 483] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 483] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 483] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0} => {parent_tid=[194]}, 88) = 194 [pid 483] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 483] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 483] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 483] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf61c000 [pid 483] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 483] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 483] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0} => {parent_tid=[195]}, 88) = 195 [pid 483] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 483] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 483] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 484 attached ./strace-static-x86_64: Process 485 attached [pid 484] set_robust_list(0x7f43bf65d9a0, 24 [pid 485] set_robust_list(0x7f43bf63c9a0, 24 [pid 484] <... set_robust_list resumed>) = 0 [pid 484] rt_sigprocmask(SIG_SETMASK, [], [pid 485] <... set_robust_list resumed>) = 0 [pid 484] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 485] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 485] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 484] memfd_create("syzkaller", 0) = 4 [pid 484] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b721c000 [pid 484] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 485] <... openat resumed>) = 3 [pid 484] <... write resumed>) = 131072 [pid 485] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 483] <... futex resumed>) = 0 [pid 483] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 483] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 485] <... futex resumed>) = 1 [pid 485] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 485] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 483] <... futex resumed>) = 0 [pid 483] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 483] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 485] <... futex resumed>) = 1 [pid 485] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 485] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 485] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 483] <... futex resumed>) = 0 [pid 483] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 483] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 485] <... futex resumed>) = 1 [pid 485] creat(0x200000000040, 000) = 5 [pid 485] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 483] <... futex resumed>) = 0 [pid 483] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 483] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 485] <... futex resumed>) = 1 [pid 485] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 485] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 483] <... futex resumed>) = 0 [pid 483] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 483] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 485] <... futex resumed>) = 1 [pid 485] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 6 [pid 485] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 483] <... futex resumed>) = 0 [pid 483] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 483] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 485] <... futex resumed>) = 1 [pid 485] write(6, 0x200000000080, 34136651) = -1 ENOSPC (No space left on device) [pid 485] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 483] <... futex resumed>) = 0 [pid 485] <... futex resumed>) = 1 [pid 485] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 484] munmap(0x7f43b721c000, 138412032) = 0 [pid 484] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 7 [pid 484] ioctl(7, LOOP_SET_FD, 4) = 0 [pid 484] close(4) = 0 [pid 484] close(7) = 0 [pid 484] mkdir(0x200000000240, 0777) = -1 ENOENT (No such file or directory) [pid 484] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [pid 484] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 484] ioctl(4, LOOP_CLR_FD) = 0 [pid 484] close(4) = 0 [pid 484] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 484] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 483] close(3) = 0 [pid 483] close(4) = -1 EBADF (Bad file descriptor) [pid 483] close(5) = 0 [pid 483] close(6) = 0 [pid 483] close(7) = -1 EBADF (Bad file descriptor) [pid 483] close(8) = -1 EBADF (Bad file descriptor) [pid 483] close(9) = -1 EBADF (Bad file descriptor) [pid 483] close(10) = -1 EBADF (Bad file descriptor) [pid 483] close(11) = -1 EBADF (Bad file descriptor) [pid 483] close(12) = -1 EBADF (Bad file descriptor) [pid 483] close(13) = -1 EBADF (Bad file descriptor) [pid 483] close(14) = -1 EBADF (Bad file descriptor) [pid 483] close(15) = -1 EBADF (Bad file descriptor) [pid 483] close(16) = -1 EBADF (Bad file descriptor) [pid 483] close(17) = -1 EBADF (Bad file descriptor) [pid 483] close(18) = -1 EBADF (Bad file descriptor) [pid 483] close(19) = -1 EBADF (Bad file descriptor) [pid 483] close(20) = -1 EBADF (Bad file descriptor) [pid 483] close(21) = -1 EBADF (Bad file descriptor) [pid 483] close(22) = -1 EBADF (Bad file descriptor) [pid 483] close(23) = -1 EBADF (Bad file descriptor) [pid 483] close(24) = -1 EBADF (Bad file descriptor) [pid 483] close(25) = -1 EBADF (Bad file descriptor) [pid 483] close(26) = -1 EBADF (Bad file descriptor) [pid 483] close(27) = -1 EBADF (Bad file descriptor) [pid 483] close(28) = -1 EBADF (Bad file descriptor) [pid 483] close(29) = -1 EBADF (Bad file descriptor) [pid 483] exit_group(0 [pid 485] <... futex resumed>) = ? [pid 483] <... exit_group resumed>) = ? [pid 485] +++ exited with 0 +++ [pid 484] <... futex resumed>) = ? [pid 484] +++ exited with 0 +++ [pid 483] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=193, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756f750) = 196 ./strace-static-x86_64: Process 486 attached [pid 486] set_robust_list(0x55555756f760, 24) = 0 [pid 486] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 486] setpgid(0, 0) = 0 [pid 486] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 486] write(3, "1000", 4) = 4 [pid 486] close(3) = 0 executing program [pid 486] write(1, "executing program\n", 18) = 18 [pid 486] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 486] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 486] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 486] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 486] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 486] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 486] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0} => {parent_tid=[197]}, 88) = 197 [pid 486] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 486] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 486] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 486] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf61c000 [pid 486] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 486] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 487 attached [], 8) = 0 [pid 486] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0} => {parent_tid=[198]}, 88) = 198 [pid 486] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 486] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 486] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 487] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 487] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 487] memfd_create("syzkaller", 0) = 3 [pid 487] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b721c000 ./strace-static-x86_64: Process 488 attached [pid 488] set_robust_list(0x7f43bf63c9a0, 24) = 0 [pid 488] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 488] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 487] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 487] munmap(0x7f43b721c000, 138412032) = 0 [pid 487] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 488] <... openat resumed>) = 4 [pid 488] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 486] <... futex resumed>) = 0 [pid 486] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 486] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 488] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 4, 0) = 0x200000000000 [pid 488] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 486] <... futex resumed>) = 0 [pid 486] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000 [pid 488] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 486] <... futex resumed>) = 0 [pid 486] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 488] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 488] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 486] <... futex resumed>) = 0 [pid 486] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 486] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 488] creat(0x200000000040, 000 [pid 487] <... openat resumed>) = 5 [ 30.146265][ T484] loop0: detected capacity change from 0 to 256 [pid 487] ioctl(5, LOOP_SET_FD, 3) = 0 [pid 487] close(3) = 0 [pid 487] close(5 [pid 488] <... creat resumed>) = 6 [pid 487] <... close resumed>) = 0 [pid 488] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 488] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 487] mkdir(0x200000000240, 0777) = -1 ENOENT (No such file or directory) [pid 487] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [pid 487] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 487] ioctl(3, LOOP_CLR_FD) = 0 [pid 487] close(3) = 0 [pid 487] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 487] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 486] <... futex resumed>) = 0 [pid 486] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 487] <... futex resumed>) = 0 [pid 487] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 486] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 487] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 487] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 486] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 486] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 486] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 487] <... futex resumed>) = 0 [pid 487] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 3 [pid 487] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 486] <... futex resumed>) = 0 [pid 486] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 486] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 487] write(3, 0x200000000080, 34136651) = 131072 [pid 487] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 486] <... futex resumed>) = 0 [pid 486] close(3) = 0 [pid 486] close(4) = 0 [pid 486] close(5) = -1 EBADF (Bad file descriptor) [pid 486] close(6) = 0 [pid 486] close(7) = -1 EBADF (Bad file descriptor) [pid 486] close(8) = -1 EBADF (Bad file descriptor) [pid 486] close(9) = -1 EBADF (Bad file descriptor) [pid 486] close(10) = -1 EBADF (Bad file descriptor) [pid 486] close(11) = -1 EBADF (Bad file descriptor) [pid 486] close(12) = -1 EBADF (Bad file descriptor) [pid 486] close(13) = -1 EBADF (Bad file descriptor) [pid 486] close(14) = -1 EBADF (Bad file descriptor) [pid 486] close(15) = -1 EBADF (Bad file descriptor) [pid 486] close(16) = -1 EBADF (Bad file descriptor) [pid 486] close(17 [pid 487] <... futex resumed>) = 1 [pid 486] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 486] close(18) = -1 EBADF (Bad file descriptor) [pid 486] close(19) = -1 EBADF (Bad file descriptor) [pid 486] close(20) = -1 EBADF (Bad file descriptor) [pid 486] close(21) = -1 EBADF (Bad file descriptor) [pid 486] close(22) = -1 EBADF (Bad file descriptor) [pid 486] close(23) = -1 EBADF (Bad file descriptor) [pid 486] close(24) = -1 EBADF (Bad file descriptor) [pid 486] close(25) = -1 EBADF (Bad file descriptor) [pid 486] close(26) = -1 EBADF (Bad file descriptor) [pid 486] close(27) = -1 EBADF (Bad file descriptor) [pid 487] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 486] close(28) = -1 EBADF (Bad file descriptor) [pid 486] close(29) = -1 EBADF (Bad file descriptor) [pid 486] exit_group(0 [pid 488] <... futex resumed>) = ? [pid 486] <... exit_group resumed>) = ? [pid 487] <... futex resumed>) = 231 [pid 488] +++ exited with 0 +++ [pid 487] +++ exited with 0 +++ [pid 486] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=196, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [ 30.194495][ T487] loop0: detected capacity change from 0 to 256 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756f750) = 199 ./strace-static-x86_64: Process 489 attached [pid 489] set_robust_list(0x55555756f760, 24) = 0 [pid 489] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 489] setpgid(0, 0) = 0 [pid 489] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 489] write(3, "1000", 4) = 4 [pid 489] close(3) = 0 [pid 489] write(1, "executing program\n", 18executing program ) = 18 [pid 489] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 489] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 489] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 489] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 489] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 489] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 489] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0} => {parent_tid=[200]}, 88) = 200 [pid 489] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 489] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 489] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 489] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf61c000 [pid 489] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 489] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 489] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0} => {parent_tid=[201]}, 88) = 201 [pid 489] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 489] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 489] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 490 attached [pid 490] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 490] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 490] memfd_create("syzkaller", 0) = 3 [pid 490] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b721c000 [pid 490] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 490] munmap(0x7f43b721c000, 138412032./strace-static-x86_64: Process 491 attached ) = 0 [pid 490] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 491] set_robust_list(0x7f43bf63c9a0, 24 [pid 490] <... openat resumed>) = 4 [pid 490] ioctl(4, LOOP_SET_FD, 3 [pid 491] <... set_robust_list resumed>) = 0 [pid 491] rt_sigprocmask(SIG_SETMASK, [], [pid 490] <... ioctl resumed>) = 0 [pid 491] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 490] close(3 [pid 491] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 490] <... close resumed>) = 0 [pid 490] close(4) = 0 [pid 490] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 490] mount("/dev/loop0", "./file0", "exfat", MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "" [pid 491] <... openat resumed>) = 3 [pid 491] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 491] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 489] <... futex resumed>) = 0 [pid 489] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 489] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 491] <... futex resumed>) = 0 [pid 491] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 491] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 489] <... futex resumed>) = 0 [pid 489] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 489] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 491] <... futex resumed>) = 1 [pid 491] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 491] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 491] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 489] <... futex resumed>) = 0 [pid 489] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 489] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 491] <... futex resumed>) = 1 [pid 491] creat(0x200000000040, 000) = 4 [pid 491] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 489] <... futex resumed>) = 0 [pid 489] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 489] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 491] <... futex resumed>) = 1 [pid 491] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 491] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 489] <... futex resumed>) = 0 [pid 489] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 489] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 491] <... futex resumed>) = 1 [pid 491] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 491] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 489] <... futex resumed>) = 0 [pid 489] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 489] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 491] <... futex resumed>) = 1 [pid 491] write(5, 0x200000000080, 34136651) = 131072 [pid 491] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 489] <... futex resumed>) = 0 [pid 491] <... futex resumed>) = 1 [ 30.277834][ T490] loop0: detected capacity change from 0 to 256 [ 30.287694][ T490] exFAT-fs (loop0): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. [ 30.298717][ T490] exFAT-fs (loop0): Medium has reported failures. Some data may be lost. [ 30.309648][ T490] exFAT-fs (loop0): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d) [ 30.321953][ T490] exFAT-fs (loop0): failed to load alloc-bitmap [pid 491] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 490] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 490] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 6 [pid 490] ioctl(6, LOOP_CLR_FD) = 0 [pid 490] close(6) = 0 [pid 490] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 490] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 489] close(3) = 0 [pid 489] close(4) = 0 [pid 489] close(5) = 0 [pid 489] close(6) = -1 EBADF (Bad file descriptor) [pid 489] close(7) = -1 EBADF (Bad file descriptor) [pid 489] close(8) = -1 EBADF (Bad file descriptor) [pid 489] close(9) = -1 EBADF (Bad file descriptor) [pid 489] close(10) = -1 EBADF (Bad file descriptor) [pid 489] close(11) = -1 EBADF (Bad file descriptor) [pid 489] close(12) = -1 EBADF (Bad file descriptor) [pid 489] close(13) = -1 EBADF (Bad file descriptor) [pid 489] close(14) = -1 EBADF (Bad file descriptor) [pid 489] close(15) = -1 EBADF (Bad file descriptor) [pid 489] close(16) = -1 EBADF (Bad file descriptor) [pid 489] close(17) = -1 EBADF (Bad file descriptor) [pid 489] close(18) = -1 EBADF (Bad file descriptor) [pid 489] close(19) = -1 EBADF (Bad file descriptor) [pid 489] close(20) = -1 EBADF (Bad file descriptor) [pid 489] close(21) = -1 EBADF (Bad file descriptor) [pid 489] close(22) = -1 EBADF (Bad file descriptor) [pid 489] close(23) = -1 EBADF (Bad file descriptor) [pid 489] close(24) = -1 EBADF (Bad file descriptor) [pid 489] close(25) = -1 EBADF (Bad file descriptor) [pid 489] close(26) = -1 EBADF (Bad file descriptor) [pid 489] close(27) = -1 EBADF (Bad file descriptor) [pid 489] close(28) = -1 EBADF (Bad file descriptor) [pid 489] close(29) = -1 EBADF (Bad file descriptor) [pid 489] exit_group(0 [pid 491] <... futex resumed>) = 231 [pid 489] <... exit_group resumed>) = ? [pid 491] +++ exited with 0 +++ [pid 490] <... futex resumed>) = ? [pid 490] +++ exited with 0 +++ [pid 489] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=199, si_uid=0, si_status=0, si_utime=0, si_stime=7} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756f750) = 202 ./strace-static-x86_64: Process 492 attached [pid 492] set_robust_list(0x55555756f760, 24) = 0 [pid 492] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 492] setpgid(0, 0) = 0 [pid 492] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 492] write(3, "1000", 4) = 4 [pid 492] close(3executing program ) = 0 [pid 492] write(1, "executing program\n", 18) = 18 [pid 492] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 492] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 492] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 492] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 492] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 492] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 492] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0} => {parent_tid=[203]}, 88) = 203 [pid 492] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 492] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 492] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 492] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf61c000 [pid 492] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE) = 0 ./strace-static-x86_64: Process 493 attached [pid 492] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 492] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0} => {parent_tid=[204]}, 88) = 204 [pid 492] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 492] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 492] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 493] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 493] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 493] memfd_create("syzkaller", 0) = 3 [pid 493] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b721c000 ./strace-static-x86_64: Process 494 attached [pid 494] set_robust_list(0x7f43bf63c9a0, 24) = 0 [pid 494] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 494] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 493] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 493] munmap(0x7f43b721c000, 138412032) = 0 [pid 493] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [ 30.328320][ T490] exFAT-fs (loop0): failed to recognize exfat type [pid 493] ioctl(5, LOOP_SET_FD, 3 [pid 494] <... openat resumed>) = 4 [pid 494] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 494] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 492] <... futex resumed>) = 0 [pid 492] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 492] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 494] <... futex resumed>) = 0 [pid 494] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 4, 0) = 0x200000000000 [pid 494] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 492] <... futex resumed>) = 0 [pid 492] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 492] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 494] <... futex resumed>) = 1 [pid 494] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 494] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 494] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 492] <... futex resumed>) = 0 [pid 492] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 492] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 494] <... futex resumed>) = 1 [pid 494] creat(0x200000000040, 000) = 6 [pid 494] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 492] <... futex resumed>) = 0 [pid 492] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 492] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 494] <... futex resumed>) = 1 [pid 494] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 494] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 492] <... futex resumed>) = 0 [pid 492] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 492] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 494] <... futex resumed>) = 1 [pid 494] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 7 [pid 494] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 492] <... futex resumed>) = 0 [pid 492] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 492] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 494] <... futex resumed>) = 1 [pid 493] <... ioctl resumed>) = 0 [pid 494] write(7, 0x200000000080, 34136651 [pid 493] close(3) = 0 [pid 493] close(5 [pid 494] <... write resumed>) = 131072 [pid 493] <... close resumed>) = 0 [pid 494] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 492] <... futex resumed>) = 0 [pid 493] mkdir(0x200000000240, 0777 [pid 494] <... futex resumed>) = 1 [pid 494] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 493] <... mkdir resumed>) = -1 ENOENT (No such file or directory) [pid 493] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [pid 493] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 493] ioctl(3, LOOP_CLR_FD) = 0 [pid 493] close(3) = 0 [pid 493] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 493] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 492] close(3) = -1 EBADF (Bad file descriptor) [pid 492] close(4) = 0 [pid 492] close(5) = -1 EBADF (Bad file descriptor) [pid 492] close(6) = 0 [pid 492] close(7) = 0 [pid 492] close(8) = -1 EBADF (Bad file descriptor) [pid 492] close(9) = -1 EBADF (Bad file descriptor) [pid 492] close(10) = -1 EBADF (Bad file descriptor) [pid 492] close(11) = -1 EBADF (Bad file descriptor) [pid 492] close(12) = -1 EBADF (Bad file descriptor) [pid 492] close(13) = -1 EBADF (Bad file descriptor) [pid 492] close(14) = -1 EBADF (Bad file descriptor) [pid 492] close(15) = -1 EBADF (Bad file descriptor) [pid 492] close(16) = -1 EBADF (Bad file descriptor) [pid 492] close(17) = -1 EBADF (Bad file descriptor) [pid 492] close(18) = -1 EBADF (Bad file descriptor) [pid 492] close(19) = -1 EBADF (Bad file descriptor) [pid 492] close(20) = -1 EBADF (Bad file descriptor) [pid 492] close(21) = -1 EBADF (Bad file descriptor) [pid 492] close(22) = -1 EBADF (Bad file descriptor) [pid 492] close(23) = -1 EBADF (Bad file descriptor) [pid 492] close(24) = -1 EBADF (Bad file descriptor) [pid 492] close(25) = -1 EBADF (Bad file descriptor) [pid 492] close(26) = -1 EBADF (Bad file descriptor) [pid 492] close(27) = -1 EBADF (Bad file descriptor) [pid 492] close(28) = -1 EBADF (Bad file descriptor) [pid 492] close(29) = -1 EBADF (Bad file descriptor) [pid 492] exit_group(0) = ? [pid 494] <... futex resumed>) = ? [pid 494] +++ exited with 0 +++ [pid 493] <... futex resumed>) = ? [pid 493] +++ exited with 0 +++ [pid 492] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=202, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756f750) = 205 ./strace-static-x86_64: Process 495 attached [pid 495] set_robust_list(0x55555756f760, 24) = 0 [pid 495] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 495] setpgid(0, 0) = 0 [pid 495] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 495] write(3, "1000", 4) = 4 [pid 495] close(3) = 0 [pid 495] write(1, "executing program\n", 18executing program ) = 18 [pid 495] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 495] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 495] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 495] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 495] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 495] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 495] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0}./strace-static-x86_64: Process 496 attached => {parent_tid=[206]}, 88) = 206 [pid 496] set_robust_list(0x7f43bf65d9a0, 24 [pid 495] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 496] <... set_robust_list resumed>) = 0 [pid 496] rt_sigprocmask(SIG_SETMASK, [], [pid 495] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 496] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 495] <... futex resumed>) = 0 [pid 495] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 495] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf61c000 [pid 495] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE [pid 496] memfd_create("syzkaller", 0 [pid 495] <... mprotect resumed>) = 0 [pid 495] rt_sigprocmask(SIG_BLOCK, ~[], [pid 496] <... memfd_create resumed>) = 3 [pid 495] <... rt_sigprocmask resumed>[], 8) = 0 [pid 496] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 495] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0}./strace-static-x86_64: Process 497 attached [pid 496] <... mmap resumed>) = 0x7f43b721c000 [pid 495] <... clone3 resumed> => {parent_tid=[207]}, 88) = 207 [pid 495] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 495] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 495] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 496] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 497] set_robust_list(0x7f43bf63c9a0, 24) = 0 [pid 496] <... write resumed>) = 131072 [pid 497] rt_sigprocmask(SIG_SETMASK, [], [pid 496] munmap(0x7f43b721c000, 138412032 [pid 497] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 496] <... munmap resumed>) = 0 [pid 497] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 496] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 30.388547][ T493] loop0: detected capacity change from 0 to 256 [pid 496] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 496] close(3) = 0 [pid 496] close(4) = 0 [pid 496] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 496] mount("/dev/loop0", "./file0", "exfat", MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "" [pid 497] <... openat resumed>) = 5 [pid 497] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 495] <... futex resumed>) = 0 [pid 495] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 495] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 497] <... futex resumed>) = 1 [pid 497] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 5, 0) = 0x200000000000 [pid 497] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 495] <... futex resumed>) = 0 [pid 495] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 495] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 497] <... futex resumed>) = 1 [pid 497] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 497] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 497] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 495] <... futex resumed>) = 0 [pid 495] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 495] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 497] <... futex resumed>) = 1 [pid 497] creat(0x200000000040, 000) = 3 [pid 497] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 495] <... futex resumed>) = 0 [pid 495] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 495] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 497] <... futex resumed>) = 1 [pid 497] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 497] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 495] <... futex resumed>) = 0 [pid 495] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 495] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 497] <... futex resumed>) = 1 [pid 497] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 4 [pid 497] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 495] <... futex resumed>) = 0 [pid 495] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 495] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 497] <... futex resumed>) = 1 [pid 497] write(4, 0x200000000080, 34136651) = 131072 [pid 497] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 495] <... futex resumed>) = 0 [pid 497] <... futex resumed>) = 1 [ 30.440359][ T496] loop0: detected capacity change from 0 to 256 [ 30.451083][ T496] exFAT-fs (loop0): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. [ 30.462486][ T496] exFAT-fs (loop0): Medium has reported failures. Some data may be lost. [ 30.473942][ T496] exFAT-fs (loop0): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d) [pid 497] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 496] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 496] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 6 [pid 496] ioctl(6, LOOP_CLR_FD) = 0 [pid 496] close(6) = 0 [pid 496] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 496] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 495] close(3) = 0 [pid 495] close(4) = 0 [pid 495] close(5) = 0 [pid 495] close(6) = -1 EBADF (Bad file descriptor) [pid 495] close(7) = -1 EBADF (Bad file descriptor) [pid 495] close(8) = -1 EBADF (Bad file descriptor) [pid 495] close(9) = -1 EBADF (Bad file descriptor) [pid 495] close(10) = -1 EBADF (Bad file descriptor) [pid 495] close(11) = -1 EBADF (Bad file descriptor) [pid 495] close(12) = -1 EBADF (Bad file descriptor) [pid 495] close(13) = -1 EBADF (Bad file descriptor) [pid 495] close(14) = -1 EBADF (Bad file descriptor) [pid 495] close(15) = -1 EBADF (Bad file descriptor) [pid 495] close(16) = -1 EBADF (Bad file descriptor) [pid 495] close(17) = -1 EBADF (Bad file descriptor) [pid 495] close(18) = -1 EBADF (Bad file descriptor) [pid 495] close(19) = -1 EBADF (Bad file descriptor) [pid 495] close(20) = -1 EBADF (Bad file descriptor) [pid 495] close(21) = -1 EBADF (Bad file descriptor) [pid 495] close(22) = -1 EBADF (Bad file descriptor) [pid 495] close(23) = -1 EBADF (Bad file descriptor) [pid 495] close(24) = -1 EBADF (Bad file descriptor) [pid 495] close(25) = -1 EBADF (Bad file descriptor) [pid 495] close(26) = -1 EBADF (Bad file descriptor) [ 30.486362][ T496] exFAT-fs (loop0): failed to load alloc-bitmap [ 30.492624][ T496] exFAT-fs (loop0): failed to recognize exfat type [pid 495] close(27) = -1 EBADF (Bad file descriptor) [pid 495] close(28) = -1 EBADF (Bad file descriptor) [pid 495] close(29) = -1 EBADF (Bad file descriptor) [pid 495] exit_group(0) = ? [pid 497] <... futex resumed>) = ? [pid 497] +++ exited with 0 +++ [pid 496] <... futex resumed>) = ? [pid 496] +++ exited with 0 +++ [pid 495] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=205, si_uid=0, si_status=0, si_utime=0, si_stime=9} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756f750) = 208 ./strace-static-x86_64: Process 498 attached [pid 498] set_robust_list(0x55555756f760, 24) = 0 [pid 498] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 498] setpgid(0, 0) = 0 [pid 498] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 498] write(3, "1000", 4) = 4 [pid 498] close(3) = 0 [pid 498] write(1, "executing program\n", 18executing program ) = 18 [pid 498] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 498] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 498] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 498] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 498] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 498] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 498] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0} => {parent_tid=[209]}, 88) = 209 [pid 498] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 498] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 498] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 498] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf61c000 [pid 498] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 498] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 498] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0} => {parent_tid=[210]}, 88) = 210 [pid 498] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 498] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 498] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 499 attached [pid 499] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 499] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 499] memfd_create("syzkaller", 0) = 3 [pid 499] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b721c000 ./strace-static-x86_64: Process 500 attached [pid 500] set_robust_list(0x7f43bf63c9a0, 24) = 0 [pid 500] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 500] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 499] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 499] munmap(0x7f43b721c000, 138412032) = 0 [pid 499] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 499] ioctl(5, LOOP_SET_FD, 3 [pid 500] <... openat resumed>) = 4 [pid 500] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 500] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 498] <... futex resumed>) = 0 [pid 498] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 498] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 500] <... futex resumed>) = 0 [pid 500] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 4, 0) = 0x200000000000 [pid 500] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 498] <... futex resumed>) = 0 [pid 498] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 498] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 500] <... futex resumed>) = 1 [pid 500] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 500] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 500] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 498] <... futex resumed>) = 0 [pid 498] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 498] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 500] <... futex resumed>) = 1 [pid 500] creat(0x200000000040, 000) = 6 [pid 500] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 498] <... futex resumed>) = 0 [pid 498] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 498] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 500] <... futex resumed>) = 1 [pid 500] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 500] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 498] <... futex resumed>) = 0 [pid 498] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 498] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 500] <... futex resumed>) = 1 [pid 500] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 7 [pid 500] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 498] <... futex resumed>) = 0 [pid 498] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 498] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 500] <... futex resumed>) = 1 [pid 500] write(7, 0x200000000080, 34136651 [pid 499] <... ioctl resumed>) = 0 [pid 499] close(3) = 0 [pid 499] close(5) = 0 [pid 499] mkdir(0x200000000240, 0777) = -1 ENOENT (No such file or directory) [pid 499] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [pid 499] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 499] ioctl(3, LOOP_CLR_FD) = 0 [pid 499] close(3) = 0 [pid 499] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 499] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 500] <... write resumed>) = 131072 [pid 500] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 498] <... futex resumed>) = 0 [pid 498] close(3) = -1 EBADF (Bad file descriptor) [pid 498] close(4) = 0 [pid 498] close(5) = -1 EBADF (Bad file descriptor) [pid 498] close(6) = 0 [pid 498] close(7) = 0 [pid 498] close(8) = -1 EBADF (Bad file descriptor) [pid 498] close(9) = -1 EBADF (Bad file descriptor) [pid 498] close(10) = -1 EBADF (Bad file descriptor) [pid 498] close(11) = -1 EBADF (Bad file descriptor) [pid 498] close(12) = -1 EBADF (Bad file descriptor) [pid 498] close(13) = -1 EBADF (Bad file descriptor) [pid 498] close(14) = -1 EBADF (Bad file descriptor) [pid 498] close(15) = -1 EBADF (Bad file descriptor) [pid 498] close(16) = -1 EBADF (Bad file descriptor) [pid 498] close(17) = -1 EBADF (Bad file descriptor) [pid 498] close(18) = -1 EBADF (Bad file descriptor) [pid 498] close(19) = -1 EBADF (Bad file descriptor) [pid 498] close(20) = -1 EBADF (Bad file descriptor) [pid 498] close(21) = -1 EBADF (Bad file descriptor) [pid 498] close(22) = -1 EBADF (Bad file descriptor) [pid 498] close(23) = -1 EBADF (Bad file descriptor) [pid 498] close(24) = -1 EBADF (Bad file descriptor) [pid 498] close(25) = -1 EBADF (Bad file descriptor) [pid 498] close(26) = -1 EBADF (Bad file descriptor) [pid 498] close(27) = -1 EBADF (Bad file descriptor) [pid 498] close(28) = -1 EBADF (Bad file descriptor) [pid 498] close(29) = -1 EBADF (Bad file descriptor) [pid 498] exit_group(0) = ? [pid 499] <... futex resumed>) = ? [pid 500] <... futex resumed>) = ? [pid 499] +++ exited with 0 +++ [pid 500] +++ exited with 0 +++ [pid 498] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=208, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [ 30.566838][ T499] loop0: detected capacity change from 0 to 256 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program , child_tidptr=0x55555756f750) = 211 ./strace-static-x86_64: Process 501 attached [pid 501] set_robust_list(0x55555756f760, 24) = 0 [pid 501] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 501] setpgid(0, 0) = 0 [pid 501] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 501] write(3, "1000", 4) = 4 [pid 501] close(3) = 0 [pid 501] write(1, "executing program\n", 18) = 18 [pid 501] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 501] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 501] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 501] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 501] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 501] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 501] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0} => {parent_tid=[212]}, 88) = 212 [pid 501] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 501] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 501] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 501] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf61c000 [pid 501] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 501] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 501] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0} => {parent_tid=[213]}, 88) = 213 [pid 501] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 501] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 501] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 503 attached [pid 503] set_robust_list(0x7f43bf63c9a0, 24) = 0 [pid 503] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 503] openat(AT_FDCWD, "/selinux/policy", O_RDONLY./strace-static-x86_64: Process 502 attached [pid 502] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 502] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 502] memfd_create("syzkaller", 0) = 4 [pid 502] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b721c000 [pid 502] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 502] munmap(0x7f43b721c000, 138412032) = 0 [pid 502] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 502] ioctl(5, LOOP_SET_FD, 4 [pid 503] <... openat resumed>) = 3 [pid 502] <... ioctl resumed>) = 0 [pid 503] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 501] <... futex resumed>) = 0 [pid 501] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 501] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 503] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 502] close(4) = 0 [pid 502] close(5) = 0 [pid 502] mkdir(0x200000000240, 0777) = -1 ENOENT (No such file or directory) [pid 503] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 502] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t" [pid 503] <... futex resumed>) = 1 [pid 501] <... futex resumed>) = 0 [pid 501] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 501] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 502] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 503] mkdirat(AT_FDCWD, 0x200000000280, 0117 [pid 502] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 503] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 503] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 501] <... futex resumed>) = 0 [pid 501] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 501] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 503] <... futex resumed>) = 1 [ 30.660607][ T502] loop0: detected capacity change from 0 to 256 [pid 503] creat(0x200000000040, 000) = 5 [pid 502] <... openat resumed>) = 4 [pid 502] ioctl(4, LOOP_CLR_FD [pid 503] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 502] <... ioctl resumed>) = 0 [pid 503] <... futex resumed>) = 1 [pid 502] close(4 [pid 503] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 502] <... close resumed>) = 0 [pid 502] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 501] <... futex resumed>) = 0 [pid 502] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL [pid 501] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 501] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 502] <... mount resumed>) = 0 [pid 502] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 501] <... futex resumed>) = 0 [pid 501] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 501] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 502] <... futex resumed>) = 1 [pid 502] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 4 [pid 502] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 501] <... futex resumed>) = 0 [pid 501] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 501] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 502] <... futex resumed>) = 1 [pid 502] write(4, 0x200000000080, 34136651) = 131072 [pid 502] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 501] <... futex resumed>) = 0 [pid 501] close(3) = 0 [pid 501] close(4) = 0 [pid 501] close(5) = 0 [pid 501] close(6) = -1 EBADF (Bad file descriptor) [pid 501] close(7) = -1 EBADF (Bad file descriptor) [pid 501] close(8) = -1 EBADF (Bad file descriptor) [pid 501] close(9) = -1 EBADF (Bad file descriptor) [pid 501] close(10) = -1 EBADF (Bad file descriptor) [pid 501] close(11) = -1 EBADF (Bad file descriptor) [pid 501] close(12) = -1 EBADF (Bad file descriptor) [pid 501] close(13) = -1 EBADF (Bad file descriptor) [pid 501] close(14) = -1 EBADF (Bad file descriptor) [pid 501] close(15) = -1 EBADF (Bad file descriptor) [pid 501] close(16) = -1 EBADF (Bad file descriptor) [pid 501] close(17) = -1 EBADF (Bad file descriptor) [pid 501] close(18) = -1 EBADF (Bad file descriptor) [pid 501] close(19) = -1 EBADF (Bad file descriptor) [pid 501] close(20) = -1 EBADF (Bad file descriptor) [pid 501] close(21) = -1 EBADF (Bad file descriptor) [pid 501] close(22) = -1 EBADF (Bad file descriptor) [pid 501] close(23) = -1 EBADF (Bad file descriptor) [pid 501] close(24) = -1 EBADF (Bad file descriptor) [pid 501] close(25) = -1 EBADF (Bad file descriptor) [pid 501] close(26) = -1 EBADF (Bad file descriptor) [pid 501] close(27) = -1 EBADF (Bad file descriptor) [pid 501] close(28) = -1 EBADF (Bad file descriptor) [pid 501] close(29) = -1 EBADF (Bad file descriptor) [pid 501] exit_group(0 [pid 503] <... futex resumed>) = ? [pid 501] <... exit_group resumed>) = ? [pid 503] +++ exited with 0 +++ [pid 502] <... futex resumed>) = ? [pid 502] +++ exited with 0 +++ [pid 501] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=211, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWRexecuting program ) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756f750) = 214 ./strace-static-x86_64: Process 504 attached [pid 504] set_robust_list(0x55555756f760, 24) = 0 [pid 504] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 504] setpgid(0, 0) = 0 [pid 504] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 504] write(3, "1000", 4) = 4 [pid 504] close(3) = 0 [pid 504] write(1, "executing program\n", 18) = 18 [pid 504] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 504] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 504] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 504] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 504] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 504] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 504] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0} => {parent_tid=[215]}, 88) = 215 [pid 504] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 504] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 504] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 504] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf61c000 [pid 504] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 504] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 504] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0} => {parent_tid=[216]}, 88) = 216 [pid 504] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 504] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 504] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 506 attached [pid 506] set_robust_list(0x7f43bf63c9a0, 24) = 0 [pid 506] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 506] openat(AT_FDCWD, "/selinux/policy", O_RDONLY./strace-static-x86_64: Process 505 attached [pid 505] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 505] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 505] memfd_create("syzkaller", 0) = 4 [pid 505] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b721c000 [pid 505] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 505] munmap(0x7f43b721c000, 138412032) = 0 [pid 505] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 506] <... openat resumed>) = 3 [pid 506] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 505] <... openat resumed>) = 5 [pid 506] <... futex resumed>) = 1 [pid 506] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 505] ioctl(5, LOOP_SET_FD, 4 [pid 504] <... futex resumed>) = 0 [pid 504] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 504] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 506] <... futex resumed>) = 0 [pid 506] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 506] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 504] <... futex resumed>) = 0 [pid 504] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 504] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 506] <... futex resumed>) = 1 [pid 506] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 506] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 505] <... ioctl resumed>) = 0 [pid 506] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 504] <... futex resumed>) = 0 [pid 504] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 504] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 506] <... futex resumed>) = 1 [pid 506] creat(0x200000000040, 000) = 6 [pid 506] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 504] <... futex resumed>) = 0 [pid 504] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 504] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 506] <... futex resumed>) = 1 [pid 506] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 506] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 504] <... futex resumed>) = 0 [pid 504] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 504] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 506] <... futex resumed>) = 1 [pid 506] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 7 [pid 506] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 504] <... futex resumed>) = 0 [pid 504] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000 [pid 506] <... futex resumed>) = 1 [pid 505] close(4 [pid 504] <... futex resumed>) = 0 [pid 504] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 506] write(7, 0x200000000080, 34136651 [pid 505] <... close resumed>) = 0 [pid 505] close(5 [pid 506] <... write resumed>) = 131072 [pid 505] <... close resumed>) = 0 [pid 505] mkdir(0x200000000240, 0777) = -1 ENOENT (No such file or directory) [pid 505] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t" [pid 506] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 505] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 504] <... futex resumed>) = 0 [pid 506] <... futex resumed>) = 1 [pid 506] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 505] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 505] ioctl(4, LOOP_CLR_FD) = 0 [pid 505] close(4) = 0 [pid 505] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 505] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 504] close(3) = 0 [pid 504] close(4) = -1 EBADF (Bad file descriptor) [pid 504] close(5) = -1 EBADF (Bad file descriptor) [pid 504] close(6) = 0 [pid 504] close(7) = 0 [pid 504] close(8) = -1 EBADF (Bad file descriptor) [pid 504] close(9) = -1 EBADF (Bad file descriptor) [pid 504] close(10) = -1 EBADF (Bad file descriptor) [pid 504] close(11) = -1 EBADF (Bad file descriptor) [pid 504] close(12) = -1 EBADF (Bad file descriptor) [pid 504] close(13) = -1 EBADF (Bad file descriptor) [pid 504] close(14) = -1 EBADF (Bad file descriptor) [pid 504] close(15) = -1 EBADF (Bad file descriptor) [pid 504] close(16) = -1 EBADF (Bad file descriptor) [pid 504] close(17) = -1 EBADF (Bad file descriptor) [pid 504] close(18) = -1 EBADF (Bad file descriptor) [pid 504] close(19) = -1 EBADF (Bad file descriptor) [pid 504] close(20) = -1 EBADF (Bad file descriptor) [pid 504] close(21) = -1 EBADF (Bad file descriptor) [pid 504] close(22) = -1 EBADF (Bad file descriptor) [pid 504] close(23) = -1 EBADF (Bad file descriptor) [pid 504] close(24) = -1 EBADF (Bad file descriptor) [pid 504] close(25) = -1 EBADF (Bad file descriptor) [pid 504] close(26) = -1 EBADF (Bad file descriptor) [pid 504] close(27) = -1 EBADF (Bad file descriptor) [pid 504] close(28) = -1 EBADF (Bad file descriptor) [pid 504] close(29) = -1 EBADF (Bad file descriptor) [pid 504] exit_group(0) = ? [pid 505] <... futex resumed>) = ? [pid 506] <... futex resumed>) = ? [pid 506] +++ exited with 0 +++ [pid 505] +++ exited with 0 +++ [pid 504] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=214, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [ 30.807689][ T505] loop0: detected capacity change from 0 to 256 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program , child_tidptr=0x55555756f750) = 217 ./strace-static-x86_64: Process 507 attached [pid 507] set_robust_list(0x55555756f760, 24) = 0 [pid 507] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 507] setpgid(0, 0) = 0 [pid 507] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 507] write(3, "1000", 4) = 4 [pid 507] close(3) = 0 [pid 507] write(1, "executing program\n", 18) = 18 [pid 507] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 507] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 507] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 507] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 507] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 507] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 507] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0} => {parent_tid=[218]}, 88) = 218 [pid 507] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 507] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 507] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 507] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf61c000 [pid 507] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 507] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 507] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0} => {parent_tid=[219]}, 88) = 219 [pid 507] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 507] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 507] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 509 attached [pid 509] set_robust_list(0x7f43bf63c9a0, 24) = 0 [pid 509] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 509] openat(AT_FDCWD, "/selinux/policy", O_RDONLY./strace-static-x86_64: Process 508 attached [pid 508] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 508] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 508] memfd_create("syzkaller", 0) = 4 [pid 509] <... openat resumed>) = 3 [pid 508] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 509] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 508] <... mmap resumed>) = 0x7f43b721c000 [pid 509] <... futex resumed>) = 1 [pid 507] <... futex resumed>) = 0 [pid 507] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 507] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 509] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 509] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 507] <... futex resumed>) = 0 [pid 507] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 507] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 509] <... futex resumed>) = 1 [pid 508] munmap(0x7f43b721c000, 138412032 [pid 509] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 508] <... munmap resumed>) = 0 [pid 509] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 508] close(4 [pid 509] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 508] <... close resumed>) = 0 [pid 509] <... futex resumed>) = 1 [pid 507] <... futex resumed>) = 0 [pid 508] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 508] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 509] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 507] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 508] <... futex resumed>) = 0 [pid 507] <... futex resumed>) = 1 [pid 508] creat(0x200000000040, 000 [pid 507] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 508] <... creat resumed>) = 4 [pid 508] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 507] <... futex resumed>) = 0 [pid 507] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 507] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 508] <... futex resumed>) = 1 [pid 508] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 508] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 507] <... futex resumed>) = 0 [pid 507] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 507] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 508] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 508] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 507] <... futex resumed>) = 0 [pid 507] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 507] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 508] write(5, 0x200000000080, 34136651) = -1 ENOSPC (No space left on device) [pid 508] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 507] <... futex resumed>) = 0 [pid 507] close(3) = 0 [pid 507] close(4 [pid 508] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 507] <... close resumed>) = 0 [pid 507] close(5) = 0 [pid 507] close(6) = -1 EBADF (Bad file descriptor) [pid 507] close(7) = -1 EBADF (Bad file descriptor) [pid 507] close(8) = -1 EBADF (Bad file descriptor) [pid 507] close(9) = -1 EBADF (Bad file descriptor) [pid 507] close(10) = -1 EBADF (Bad file descriptor) [pid 507] close(11) = -1 EBADF (Bad file descriptor) [pid 507] close(12) = -1 EBADF (Bad file descriptor) [pid 507] close(13) = -1 EBADF (Bad file descriptor) [pid 507] close(14) = -1 EBADF (Bad file descriptor) [pid 507] close(15) = -1 EBADF (Bad file descriptor) [pid 507] close(16) = -1 EBADF (Bad file descriptor) [pid 507] close(17) = -1 EBADF (Bad file descriptor) [pid 507] close(18) = -1 EBADF (Bad file descriptor) [pid 507] close(19) = -1 EBADF (Bad file descriptor) [pid 507] close(20) = -1 EBADF (Bad file descriptor) [pid 507] close(21) = -1 EBADF (Bad file descriptor) [pid 507] close(22) = -1 EBADF (Bad file descriptor) [pid 507] close(23) = -1 EBADF (Bad file descriptor) [pid 507] close(24) = -1 EBADF (Bad file descriptor) [pid 507] close(25) = -1 EBADF (Bad file descriptor) [pid 507] close(26) = -1 EBADF (Bad file descriptor) [pid 507] close(27) = -1 EBADF (Bad file descriptor) [pid 507] close(28) = -1 EBADF (Bad file descriptor) [pid 507] close(29) = -1 EBADF (Bad file descriptor) [pid 507] exit_group(0) = ? [pid 509] <... futex resumed>) = ? [pid 509] +++ exited with 0 +++ [pid 508] <... futex resumed>) = ? [pid 508] +++ exited with 0 +++ [pid 507] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=217, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program , child_tidptr=0x55555756f750) = 220 ./strace-static-x86_64: Process 510 attached [pid 510] set_robust_list(0x55555756f760, 24) = 0 [pid 510] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 510] setpgid(0, 0) = 0 [pid 510] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 510] write(3, "1000", 4) = 4 [pid 510] close(3) = 0 [pid 510] write(1, "executing program\n", 18) = 18 [pid 510] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 510] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 510] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 510] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 510] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 510] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 510] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0}./strace-static-x86_64: Process 511 attached => {parent_tid=[221]}, 88) = 221 [pid 511] set_robust_list(0x7f43bf65d9a0, 24 [pid 510] rt_sigprocmask(SIG_SETMASK, [], [pid 511] <... set_robust_list resumed>) = 0 [pid 510] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 511] rt_sigprocmask(SIG_SETMASK, [], [pid 510] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 511] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 510] <... futex resumed>) = 0 [pid 510] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 510] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 511] memfd_create("syzkaller", 0 [pid 510] <... mmap resumed>) = 0x7f43bf61c000 [pid 510] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE [pid 511] <... memfd_create resumed>) = 3 [pid 510] <... mprotect resumed>) = 0 [pid 511] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 510] rt_sigprocmask(SIG_BLOCK, ~[], [pid 511] <... mmap resumed>) = 0x7f43b721c000 [pid 510] <... rt_sigprocmask resumed>[], 8) = 0 [pid 510] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0} => {parent_tid=[222]}, 88) = 222 [pid 510] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 510] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 510] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 512 attached [pid 512] set_robust_list(0x7f43bf63c9a0, 24) = 0 [pid 512] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 511] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 512] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 511] <... write resumed>) = 131072 [pid 511] munmap(0x7f43b721c000, 138412032) = 0 [pid 511] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 511] ioctl(5, LOOP_SET_FD, 3 [pid 512] <... openat resumed>) = 4 [pid 512] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 512] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 510] <... futex resumed>) = 0 [pid 510] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 510] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 512] <... futex resumed>) = 0 [pid 512] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 4, 0) = 0x200000000000 [pid 512] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 510] <... futex resumed>) = 0 [pid 510] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 510] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 512] <... futex resumed>) = 1 [pid 512] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 512] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 512] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 510] <... futex resumed>) = 0 [pid 510] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 510] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 512] <... futex resumed>) = 1 [pid 511] <... ioctl resumed>) = 0 [pid 512] creat(0x200000000040, 000) = 6 [pid 512] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 510] <... futex resumed>) = 0 [pid 510] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 510] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 512] <... futex resumed>) = 1 [pid 512] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 511] close(3) = 0 [pid 511] close(5 [pid 512] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 511] <... close resumed>) = 0 [pid 512] <... futex resumed>) = 1 [pid 510] <... futex resumed>) = 0 [pid 510] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 511] mkdir(0x200000000240, 0777 [pid 510] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 512] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c [pid 511] <... mkdir resumed>) = -1 ENOENT (No such file or directory) [pid 512] <... open resumed>) = 3 [pid 511] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [pid 512] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 510] <... futex resumed>) = 0 [pid 510] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 510] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 511] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 512] write(3, 0x200000000080, 34136651 [pid 511] ioctl(5, LOOP_CLR_FD) = 0 [pid 511] close(5) = 0 [pid 511] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 511] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 512] <... write resumed>) = 131072 [pid 512] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 510] <... futex resumed>) = 0 [pid 510] close(3) = 0 [pid 510] close(4) = 0 [pid 510] close(5) = -1 EBADF (Bad file descriptor) [pid 510] close(6) = 0 [pid 510] close(7) = -1 EBADF (Bad file descriptor) [pid 510] close(8) = -1 EBADF (Bad file descriptor) [pid 510] close(9) = -1 EBADF (Bad file descriptor) [pid 510] close(10) = -1 EBADF (Bad file descriptor) [pid 510] close(11) = -1 EBADF (Bad file descriptor) [pid 510] close(12) = -1 EBADF (Bad file descriptor) [pid 510] close(13) = -1 EBADF (Bad file descriptor) [pid 510] close(14) = -1 EBADF (Bad file descriptor) [pid 512] <... futex resumed>) = 1 [pid 510] close(15 [pid 512] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 510] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 510] close(16) = -1 EBADF (Bad file descriptor) [pid 510] close(17) = -1 EBADF (Bad file descriptor) [pid 510] close(18) = -1 EBADF (Bad file descriptor) [pid 510] close(19) = -1 EBADF (Bad file descriptor) [pid 510] close(20) = -1 EBADF (Bad file descriptor) [pid 510] close(21) = -1 EBADF (Bad file descriptor) [pid 510] close(22) = -1 EBADF (Bad file descriptor) [pid 510] close(23) = -1 EBADF (Bad file descriptor) [pid 510] close(24) = -1 EBADF (Bad file descriptor) [pid 510] close(25) = -1 EBADF (Bad file descriptor) [pid 510] close(26) = -1 EBADF (Bad file descriptor) [pid 510] close(27) = -1 EBADF (Bad file descriptor) [pid 510] close(28) = -1 EBADF (Bad file descriptor) [pid 510] close(29) = -1 EBADF (Bad file descriptor) [pid 510] exit_group(0) = ? [pid 512] <... futex resumed>) = ? [pid 511] <... futex resumed>) = ? [pid 511] +++ exited with 0 +++ [pid 512] +++ exited with 0 +++ [pid 510] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=220, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [ 30.943120][ T511] loop0: detected capacity change from 0 to 256 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWRexecuting program ) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756f750) = 223 ./strace-static-x86_64: Process 513 attached [pid 513] set_robust_list(0x55555756f760, 24) = 0 [pid 513] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 513] setpgid(0, 0) = 0 [pid 513] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 513] write(3, "1000", 4) = 4 [pid 513] close(3) = 0 [pid 513] write(1, "executing program\n", 18) = 18 [pid 513] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 513] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 513] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 513] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 513] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 513] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 513] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0}./strace-static-x86_64: Process 514 attached => {parent_tid=[224]}, 88) = 224 [pid 514] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 513] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 513] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 513] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 513] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf61c000 [pid 513] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 513] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 513] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0} => {parent_tid=[225]}, 88) = 225 [pid 513] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 513] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 513] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 514] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 514] memfd_create("syzkaller", 0./strace-static-x86_64: Process 515 attached ) = 3 [pid 515] set_robust_list(0x7f43bf63c9a0, 24 [pid 514] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 515] <... set_robust_list resumed>) = 0 [pid 515] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 514] <... mmap resumed>) = 0x7f43b721c000 [pid 515] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 514] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 514] munmap(0x7f43b721c000, 138412032) = 0 [pid 514] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 514] ioctl(5, LOOP_SET_FD, 3 [pid 515] <... openat resumed>) = 4 [pid 515] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 515] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 513] <... futex resumed>) = 0 [pid 513] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 513] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 515] <... futex resumed>) = 0 [pid 515] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 4, 0) = 0x200000000000 [pid 514] <... ioctl resumed>) = 0 [pid 515] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 514] close(3 [pid 513] <... futex resumed>) = 0 [pid 513] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 513] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 515] <... futex resumed>) = 1 [pid 515] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 515] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 515] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 513] <... futex resumed>) = 0 [pid 513] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 513] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 515] <... futex resumed>) = 1 [pid 515] creat(0x200000000040, 000) = 6 [pid 515] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 513] <... futex resumed>) = 0 [pid 513] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 513] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 515] <... futex resumed>) = 1 [pid 515] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL [pid 514] <... close resumed>) = 0 [pid 515] <... mount resumed>) = 0 [pid 515] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 513] <... futex resumed>) = 0 [pid 513] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000 [pid 514] close(5 [pid 513] <... futex resumed>) = 0 [pid 513] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 514] <... close resumed>) = 0 [pid 515] <... futex resumed>) = 1 [pid 515] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 3 [pid 515] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 513] <... futex resumed>) = 0 [pid 513] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 513] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 515] <... futex resumed>) = 1 [pid 515] write(3, 0x200000000080, 34136651 [pid 514] mkdir(0x200000000240, 0777) = -1 ENOENT (No such file or directory) [pid 514] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [pid 514] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 514] ioctl(5, LOOP_CLR_FD) = 0 [pid 514] close(5) = 0 [pid 514] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 514] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 515] <... write resumed>) = 131072 [pid 515] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 513] <... futex resumed>) = 0 [pid 513] close(3 [pid 515] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 513] <... close resumed>) = 0 [pid 513] close(4) = 0 [pid 513] close(5) = -1 EBADF (Bad file descriptor) [pid 513] close(6) = 0 [pid 513] close(7) = -1 EBADF (Bad file descriptor) [pid 513] close(8) = -1 EBADF (Bad file descriptor) [pid 513] close(9) = -1 EBADF (Bad file descriptor) [pid 513] close(10) = -1 EBADF (Bad file descriptor) [pid 513] close(11) = -1 EBADF (Bad file descriptor) [pid 513] close(12) = -1 EBADF (Bad file descriptor) [pid 513] close(13) = -1 EBADF (Bad file descriptor) [pid 513] close(14) = -1 EBADF (Bad file descriptor) [pid 513] close(15) = -1 EBADF (Bad file descriptor) [pid 513] close(16) = -1 EBADF (Bad file descriptor) [pid 513] close(17) = -1 EBADF (Bad file descriptor) [pid 513] close(18) = -1 EBADF (Bad file descriptor) [pid 513] close(19) = -1 EBADF (Bad file descriptor) [pid 513] close(20) = -1 EBADF (Bad file descriptor) [pid 513] close(21) = -1 EBADF (Bad file descriptor) [pid 513] close(22) = -1 EBADF (Bad file descriptor) [pid 513] close(23) = -1 EBADF (Bad file descriptor) [pid 513] close(24) = -1 EBADF (Bad file descriptor) [pid 513] close(25) = -1 EBADF (Bad file descriptor) [pid 513] close(26) = -1 EBADF (Bad file descriptor) [pid 513] close(27) = -1 EBADF (Bad file descriptor) [pid 513] close(28) = -1 EBADF (Bad file descriptor) [pid 513] close(29) = -1 EBADF (Bad file descriptor) [pid 513] exit_group(0 [pid 514] <... futex resumed>) = ? [pid 513] <... exit_group resumed>) = ? [pid 514] +++ exited with 0 +++ [pid 515] <... futex resumed>) = ? [pid 515] +++ exited with 0 +++ [pid 513] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=223, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [ 31.043274][ T514] loop0: detected capacity change from 0 to 256 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756f750) = 226 ./strace-static-x86_64: Process 516 attached [pid 516] set_robust_list(0x55555756f760, 24) = 0 [pid 516] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 516] setpgid(0, 0) = 0 [pid 516] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 516] write(3, "1000", 4) = 4 [pid 516] close(3) = 0 [pid 516] write(1, "executing program\n", 18executing program ) = 18 [pid 516] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 516] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 516] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 516] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 516] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 516] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 516] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0} => {parent_tid=[227]}, 88) = 227 [pid 516] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 516] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 516] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 516] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf61c000 [pid 516] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 516] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 516] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0} => {parent_tid=[228]}, 88) = 228 [pid 516] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 516] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 516] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 518 attached [pid 518] set_robust_list(0x7f43bf63c9a0, 24) = 0 [pid 518] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 518] openat(AT_FDCWD, "/selinux/policy", O_RDONLY./strace-static-x86_64: Process 517 attached [pid 517] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 517] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 517] memfd_create("syzkaller", 0) = 4 [pid 517] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b721c000 [pid 517] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 517] munmap(0x7f43b721c000, 138412032) = 0 [pid 517] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 518] <... openat resumed>) = 3 [pid 518] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 517] <... openat resumed>) = 5 [pid 516] <... futex resumed>) = 0 [pid 517] ioctl(5, LOOP_SET_FD, 4 [pid 516] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 516] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 518] <... futex resumed>) = 1 [pid 518] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 518] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 516] <... futex resumed>) = 0 [pid 516] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 516] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 518] <... futex resumed>) = 1 [pid 518] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 518] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 518] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 516] <... futex resumed>) = 0 [pid 516] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 516] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 518] <... futex resumed>) = 1 [pid 518] creat(0x200000000040, 000) = 6 [pid 518] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 516] <... futex resumed>) = 0 [pid 518] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL [pid 516] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000 [pid 518] <... mount resumed>) = 0 [pid 516] <... futex resumed>) = 0 [pid 518] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 516] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 518] <... futex resumed>) = 0 [pid 516] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 518] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c [pid 516] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000 [pid 518] <... open resumed>) = 7 [pid 516] <... futex resumed>) = 0 [pid 518] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 516] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 518] <... futex resumed>) = 0 [pid 516] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 518] write(7, 0x200000000080, 34136651 [pid 516] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 516] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 518] <... write resumed>) = 131072 [pid 518] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 516] <... futex resumed>) = 0 [pid 518] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 517] <... ioctl resumed>) = 0 [pid 517] close(4) = 0 [pid 517] close(5) = 0 [pid 517] mkdir(0x200000000240, 0777) = -1 ENOENT (No such file or directory) [pid 517] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [pid 517] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 517] ioctl(4, LOOP_CLR_FD) = 0 [pid 517] close(4) = 0 [pid 517] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 517] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 516] close(3) = 0 [pid 516] close(4) = -1 EBADF (Bad file descriptor) [pid 516] close(5) = -1 EBADF (Bad file descriptor) [pid 516] close(6) = 0 [pid 516] close(7) = 0 [pid 516] close(8) = -1 EBADF (Bad file descriptor) [pid 516] close(9) = -1 EBADF (Bad file descriptor) [pid 516] close(10) = -1 EBADF (Bad file descriptor) [pid 516] close(11) = -1 EBADF (Bad file descriptor) [pid 516] close(12) = -1 EBADF (Bad file descriptor) [pid 516] close(13) = -1 EBADF (Bad file descriptor) [pid 516] close(14) = -1 EBADF (Bad file descriptor) [pid 516] close(15) = -1 EBADF (Bad file descriptor) [pid 516] close(16) = -1 EBADF (Bad file descriptor) [pid 516] close(17) = -1 EBADF (Bad file descriptor) [pid 516] close(18) = -1 EBADF (Bad file descriptor) [pid 516] close(19) = -1 EBADF (Bad file descriptor) [pid 516] close(20) = -1 EBADF (Bad file descriptor) [pid 516] close(21) = -1 EBADF (Bad file descriptor) [pid 516] close(22) = -1 EBADF (Bad file descriptor) [pid 516] close(23) = -1 EBADF (Bad file descriptor) [pid 516] close(24) = -1 EBADF (Bad file descriptor) [pid 516] close(25) = -1 EBADF (Bad file descriptor) [pid 516] close(26) = -1 EBADF (Bad file descriptor) [pid 516] close(27) = -1 EBADF (Bad file descriptor) [pid 516] close(28) = -1 EBADF (Bad file descriptor) [pid 516] close(29) = -1 EBADF (Bad file descriptor) [pid 516] exit_group(0 [pid 518] <... futex resumed>) = ? [pid 516] <... exit_group resumed>) = ? [pid 518] +++ exited with 0 +++ [pid 517] <... futex resumed>) = ? [pid 517] +++ exited with 0 +++ [pid 516] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=226, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756f750) = 229 ./strace-static-x86_64: Process 519 attached [pid 519] set_robust_list(0x55555756f760, 24) = 0 [pid 519] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 519] setpgid(0, 0) = 0 [pid 519] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 519] write(3, "1000", 4) = 4 [pid 519] close(3) = 0 [pid 519] write(1, "executing program\n", 18) = 18 [pid 519] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 519] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 519] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 519] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 519] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITEexecuting program ) = 0 [pid 519] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 519] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0} => {parent_tid=[230]}, 88) = 230 [pid 519] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 519] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 519] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 519] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf61c000 [pid 519] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 519] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 519] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0} => {parent_tid=[231]}, 88) = 231 [pid 519] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 519] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 519] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 521 attached [pid 521] set_robust_list(0x7f43bf63c9a0, 24) = 0 [pid 521] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 521] openat(AT_FDCWD, "/selinux/policy", O_RDONLY./strace-static-x86_64: Process 520 attached [pid 520] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 520] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 520] memfd_create("syzkaller", 0) = 4 [pid 520] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b721c000 [pid 520] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 520] munmap(0x7f43b721c000, 138412032) = 0 [ 31.132705][ T517] loop0: detected capacity change from 0 to 256 [pid 521] <... openat resumed>) = 3 [pid 520] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 521] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 520] <... openat resumed>) = 5 [pid 520] ioctl(5, LOOP_SET_FD, 4 [pid 521] <... futex resumed>) = 1 [pid 519] <... futex resumed>) = 0 [pid 519] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 519] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 521] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 521] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 520] <... ioctl resumed>) = 0 [pid 519] <... futex resumed>) = 0 [pid 519] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 519] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 521] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 521] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 520] close(4 [pid 521] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 519] <... futex resumed>) = 0 [pid 519] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 519] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 521] <... futex resumed>) = 1 [pid 521] creat(0x200000000040, 000) = 6 [pid 521] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 519] <... futex resumed>) = 0 [pid 519] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 519] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 521] <... futex resumed>) = 1 [pid 521] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 521] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 519] <... futex resumed>) = 0 [pid 519] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 519] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 521] <... futex resumed>) = 1 [pid 521] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 7 [pid 521] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 519] <... futex resumed>) = 0 [pid 519] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000 [pid 521] <... futex resumed>) = 1 [pid 520] <... close resumed>) = 0 [pid 519] <... futex resumed>) = 0 [pid 519] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 521] write(7, 0x200000000080, 34136651 [pid 520] close(5 [pid 521] <... write resumed>) = 131072 [pid 520] <... close resumed>) = 0 [pid 521] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 519] <... futex resumed>) = 0 [pid 520] mkdir(0x200000000240, 0777 [pid 521] <... futex resumed>) = 1 [pid 521] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 520] <... mkdir resumed>) = -1 ENOENT (No such file or directory) [pid 520] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t") = -1 ENOENT (No such file or directory) [pid 520] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 520] ioctl(4, LOOP_CLR_FD) = 0 [pid 520] close(4) = 0 [pid 520] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 520] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 519] close(3) = 0 [pid 519] close(4) = -1 EBADF (Bad file descriptor) [pid 519] close(5) = -1 EBADF (Bad file descriptor) [pid 519] close(6) = 0 [pid 519] close(7) = 0 [pid 519] close(8) = -1 EBADF (Bad file descriptor) [pid 519] close(9) = -1 EBADF (Bad file descriptor) [pid 519] close(10) = -1 EBADF (Bad file descriptor) [pid 519] close(11) = -1 EBADF (Bad file descriptor) [pid 519] close(12) = -1 EBADF (Bad file descriptor) [pid 519] close(13) = -1 EBADF (Bad file descriptor) [pid 519] close(14) = -1 EBADF (Bad file descriptor) [pid 519] close(15) = -1 EBADF (Bad file descriptor) [pid 519] close(16) = -1 EBADF (Bad file descriptor) [pid 519] close(17) = -1 EBADF (Bad file descriptor) [pid 519] close(18) = -1 EBADF (Bad file descriptor) [pid 519] close(19) = -1 EBADF (Bad file descriptor) [pid 519] close(20) = -1 EBADF (Bad file descriptor) [pid 519] close(21) = -1 EBADF (Bad file descriptor) [pid 519] close(22) = -1 EBADF (Bad file descriptor) [pid 519] close(23) = -1 EBADF (Bad file descriptor) [pid 519] close(24) = -1 EBADF (Bad file descriptor) [pid 519] close(25) = -1 EBADF (Bad file descriptor) [pid 519] close(26) = -1 EBADF (Bad file descriptor) [pid 519] close(27) = -1 EBADF (Bad file descriptor) [pid 519] close(28) = -1 EBADF (Bad file descriptor) [pid 519] close(29) = -1 EBADF (Bad file descriptor) [pid 519] exit_group(0) = ? [pid 520] <... futex resumed>) = ? [pid 521] <... futex resumed>) = ? [pid 521] +++ exited with 0 +++ [pid 520] +++ exited with 0 +++ [pid 519] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=229, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756f750) = 232 ./strace-static-x86_64: Process 522 attached [pid 522] set_robust_list(0x55555756f760, 24) = 0 [pid 522] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 522] setpgid(0, 0) = 0 [pid 522] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 522] write(3, "1000", 4) = 4 [pid 522] close(3) = 0 [pid 522] write(1, "executing program\n", 18executing program ) = 18 [pid 522] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 522] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 522] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 522] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 522] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 522] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 522] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0} => {parent_tid=[233]}, 88) = 233 ./strace-static-x86_64: Process 523 attached [pid 522] rt_sigprocmask(SIG_SETMASK, [], [pid 523] set_robust_list(0x7f43bf65d9a0, 24 [pid 522] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 523] <... set_robust_list resumed>) = 0 [pid 522] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 523] rt_sigprocmask(SIG_SETMASK, [], [pid 522] <... futex resumed>) = 0 [pid 523] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 522] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 523] memfd_create("syzkaller", 0 [pid 522] <... futex resumed>) = 0 [pid 522] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf61c000 [pid 522] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 522] rt_sigprocmask(SIG_BLOCK, ~[], [pid 523] <... memfd_create resumed>) = 3 [pid 522] <... rt_sigprocmask resumed>[], 8) = 0 [pid 522] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0} [pid 523] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b721c000 ./strace-static-x86_64: Process 524 attached [pid 522] <... clone3 resumed> => {parent_tid=[234]}, 88) = 234 [pid 522] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 522] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 522] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 524] set_robust_list(0x7f43bf63c9a0, 24) = 0 [pid 524] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 523] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 524] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 523] <... write resumed>) = 131072 [pid 523] munmap(0x7f43b721c000, 138412032) = 0 [pid 523] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [ 31.194100][ T520] loop0: detected capacity change from 0 to 256 [pid 523] ioctl(5, LOOP_SET_FD, 3 [pid 524] <... openat resumed>) = 4 [pid 524] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 522] <... futex resumed>) = 0 [pid 522] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 522] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 524] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 4, 0 [pid 523] <... ioctl resumed>) = 0 [pid 523] close(3) = 0 [pid 523] close(5) = 0 [pid 523] mkdir(0x200000000240, 0777) = -1 ENOENT (No such file or directory) [pid 523] mount("/dev/loop0", 0x200000000240, 0x2000000005c0, MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "\t" [pid 524] <... mmap resumed>) = 0x200000000000 [pid 523] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 524] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 523] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 522] <... futex resumed>) = 0 [pid 522] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 522] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 524] <... futex resumed>) = 1 [pid 524] mkdirat(AT_FDCWD, 0x200000000280, 0117 [pid 523] <... openat resumed>) = 3 [pid 524] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 524] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 522] <... futex resumed>) = 0 [pid 522] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 522] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 523] ioctl(3, LOOP_CLR_FD [pid 524] <... futex resumed>) = 1 [pid 523] <... ioctl resumed>) = 0 [pid 524] creat(0x200000000040, 000 [pid 523] close(3 [pid 524] <... creat resumed>) = 5 [pid 523] <... close resumed>) = 0 [pid 523] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 523] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 524] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 522] <... futex resumed>) = 0 [pid 522] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 522] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 523] <... futex resumed>) = 0 [pid 523] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 524] <... futex resumed>) = 1 [pid 524] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 523] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 522] <... futex resumed>) = 0 [pid 522] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 522] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 523] <... futex resumed>) = 1 [pid 523] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 3 [pid 523] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 522] <... futex resumed>) = 0 [pid 522] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 522] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 523] <... futex resumed>) = 1 [pid 523] write(3, 0x200000000080, 34136651) = 131072 [pid 523] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 522] <... futex resumed>) = 0 [pid 522] close(3) = 0 [pid 522] close(4) = 0 [pid 522] close(5 [pid 523] <... futex resumed>) = 1 [pid 523] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 522] <... close resumed>) = 0 [pid 522] close(6) = -1 EBADF (Bad file descriptor) [pid 522] close(7) = -1 EBADF (Bad file descriptor) [pid 522] close(8) = -1 EBADF (Bad file descriptor) [pid 522] close(9) = -1 EBADF (Bad file descriptor) [pid 522] close(10) = -1 EBADF (Bad file descriptor) [pid 522] close(11) = -1 EBADF (Bad file descriptor) [pid 522] close(12) = -1 EBADF (Bad file descriptor) [pid 522] close(13) = -1 EBADF (Bad file descriptor) [pid 522] close(14) = -1 EBADF (Bad file descriptor) [pid 522] close(15) = -1 EBADF (Bad file descriptor) [pid 522] close(16) = -1 EBADF (Bad file descriptor) [pid 522] close(17) = -1 EBADF (Bad file descriptor) [pid 522] close(18) = -1 EBADF (Bad file descriptor) [pid 522] close(19) = -1 EBADF (Bad file descriptor) [pid 522] close(20) = -1 EBADF (Bad file descriptor) [pid 522] close(21) = -1 EBADF (Bad file descriptor) [pid 522] close(22) = -1 EBADF (Bad file descriptor) [pid 522] close(23) = -1 EBADF (Bad file descriptor) [pid 522] close(24) = -1 EBADF (Bad file descriptor) [pid 522] close(25) = -1 EBADF (Bad file descriptor) [pid 522] close(26) = -1 EBADF (Bad file descriptor) [pid 522] close(27) = -1 EBADF (Bad file descriptor) [pid 522] close(28) = -1 EBADF (Bad file descriptor) [pid 522] close(29) = -1 EBADF (Bad file descriptor) [pid 522] exit_group(0) = ? [pid 524] <... futex resumed>) = ? [pid 523] <... futex resumed>) = 231 [pid 524] +++ exited with 0 +++ [pid 523] +++ exited with 0 +++ [pid 522] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=232, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756f750) = 235 ./strace-static-x86_64: Process 525 attached [pid 525] set_robust_list(0x55555756f760, 24) = 0 [pid 525] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 525] setpgid(0, 0) = 0 [pid 525] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 525] write(3, "1000", 4) = 4 [pid 525] close(3) = 0 [pid 525] write(1, "executing program\n", 18executing program ) = 18 [pid 525] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 525] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 525] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 525] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 525] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 525] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 525] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0}./strace-static-x86_64: Process 526 attached => {parent_tid=[236]}, 88) = 236 [pid 526] set_robust_list(0x7f43bf65d9a0, 24 [pid 525] rt_sigprocmask(SIG_SETMASK, [], [pid 526] <... set_robust_list resumed>) = 0 [pid 526] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 526] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 525] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 525] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 526] <... futex resumed>) = 0 [pid 526] memfd_create("syzkaller", 0 [pid 525] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 526] <... memfd_create resumed>) = 3 [pid 525] <... futex resumed>) = 0 [pid 526] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b723d000 [pid 525] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43b721c000 [pid 525] mprotect(0x7f43b721d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 525] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 525] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43b723c990, parent_tid=0x7f43b723c990, exit_signal=0, stack=0x7f43b721c000, stack_size=0x20240, tls=0x7f43b723c6c0}./strace-static-x86_64: Process 527 attached [pid 527] set_robust_list(0x7f43b723c9a0, 24 [pid 525] <... clone3 resumed> => {parent_tid=[237]}, 88) = 237 [pid 525] rt_sigprocmask(SIG_SETMASK, [], [pid 527] <... set_robust_list resumed>) = 0 [pid 525] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 527] rt_sigprocmask(SIG_SETMASK, [], [pid 525] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 527] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 525] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 526] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 527] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 526] <... write resumed>) = 131072 [pid 526] munmap(0x7f43b723d000, 138412032) = 0 [pid 526] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [ 31.234810][ T523] loop0: detected capacity change from 0 to 256 [pid 526] ioctl(5, LOOP_SET_FD, 3 [pid 527] <... openat resumed>) = 4 [pid 527] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 526] <... ioctl resumed>) = 0 [pid 526] close(3) = 0 [pid 526] close(5) = 0 [pid 526] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 526] mount("/dev/loop0", "./file0", "exfat", MS_SYNCHRONOUS|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, "" [pid 525] <... futex resumed>) = 0 [pid 527] <... futex resumed>) = 1 [pid 525] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 525] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 527] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 4, 0) = 0x200000000000 [pid 527] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 525] <... futex resumed>) = 0 [pid 525] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 525] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 527] <... futex resumed>) = 1 [pid 527] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 527] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 527] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 525] <... futex resumed>) = 0 [pid 525] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 525] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 527] <... futex resumed>) = 1 [pid 527] creat(0x200000000040, 000) = 3 [pid 526] <... mount resumed>) = 0 [pid 526] openat(AT_FDCWD, 0x200000000240, O_RDONLY|O_DIRECTORY) = -1 ENOENT (No such file or directory) [pid 526] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 526] ioctl(5, LOOP_CLR_FD [pid 527] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 526] <... ioctl resumed>) = 0 [pid 527] <... futex resumed>) = 1 [pid 525] <... futex resumed>) = 0 [pid 525] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 525] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 527] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL [pid 526] close(5 [pid 527] <... mount resumed>) = 0 [pid 526] <... close resumed>) = 0 [pid 527] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 525] <... futex resumed>) = 0 [pid 525] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 525] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 527] <... futex resumed>) = 1 [pid 527] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 527] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 525] <... futex resumed>) = 0 [pid 525] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 525] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 527] <... futex resumed>) = 1 [pid 527] write(5, 0x200000000080, 34136651 [pid 526] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 526] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 527] <... write resumed>) = 131072 [pid 527] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 527] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 525] <... futex resumed>) = 0 [pid 525] close(3) = 0 [pid 525] close(4) = 0 [pid 525] close(5) = 0 [pid 525] close(6) = -1 EBADF (Bad file descriptor) [pid 525] close(7) = -1 EBADF (Bad file descriptor) [pid 525] close(8) = -1 EBADF (Bad file descriptor) [pid 525] close(9) = -1 EBADF (Bad file descriptor) [pid 525] close(10) = -1 EBADF (Bad file descriptor) [pid 525] close(11) = -1 EBADF (Bad file descriptor) [pid 525] close(12) = -1 EBADF (Bad file descriptor) [pid 525] close(13) = -1 EBADF (Bad file descriptor) [pid 525] close(14) = -1 EBADF (Bad file descriptor) [pid 525] close(15) = -1 EBADF (Bad file descriptor) [pid 525] close(16) = -1 EBADF (Bad file descriptor) [pid 525] close(17) = -1 EBADF (Bad file descriptor) [pid 525] close(18) = -1 EBADF (Bad file descriptor) [pid 525] close(19) = -1 EBADF (Bad file descriptor) [pid 525] close(20) = -1 EBADF (Bad file descriptor) [pid 525] close(21) = -1 EBADF (Bad file descriptor) [pid 525] close(22) = -1 EBADF (Bad file descriptor) [pid 525] close(23) = -1 EBADF (Bad file descriptor) [pid 525] close(24) = -1 EBADF (Bad file descriptor) [pid 525] close(25) = -1 EBADF (Bad file descriptor) [pid 525] close(26) = -1 EBADF (Bad file descriptor) [pid 525] close(27) = -1 EBADF (Bad file descriptor) [pid 525] close(28) = -1 EBADF (Bad file descriptor) [pid 525] close(29) = -1 EBADF (Bad file descriptor) [pid 525] exit_group(0) = ? [pid 526] <... futex resumed>) = ? [pid 526] +++ exited with 0 +++ [pid 527] <... futex resumed>) = ? [pid 527] +++ exited with 0 +++ [pid 525] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=235, si_uid=0, si_status=0, si_utime=0, si_stime=6} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3executing program ) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756f750) = 238 ./strace-static-x86_64: Process 528 attached [pid 528] set_robust_list(0x55555756f760, 24) = 0 [pid 528] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 528] setpgid(0, 0) = 0 [pid 528] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 528] write(3, "1000", 4) = 4 [pid 528] close(3) = 0 [pid 528] write(1, "executing program\n", 18) = 18 [pid 528] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 528] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 528] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 528] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 528] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 528] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 528] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0} => {parent_tid=[239]}, 88) = 239 [pid 528] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 528] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 528] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 528] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf61c000 [pid 528] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 528] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 528] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0} => {parent_tid=[240]}, 88) = 240 [ 31.277479][ T526] loop0: detected capacity change from 0 to 256 [ 31.288188][ T526] exFAT-fs (loop0): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. [ 31.299556][ T526] exFAT-fs (loop0): Medium has reported failures. Some data may be lost. [ 31.310262][ T526] exFAT-fs (loop0): failed to load upcase table (idx : 0x00010000, chksum : 0xe62de5da, utbl_chksum : 0xe619d30d) [pid 528] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 528] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 530 attached ./strace-static-x86_64: Process 529 attached ) = 0 [pid 530] set_robust_list(0x7f43bf63c9a0, 24 [pid 529] set_robust_list(0x7f43bf65d9a0, 24 [pid 528] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 530] <... set_robust_list resumed>) = 0 [pid 529] <... set_robust_list resumed>) = 0 [pid 530] rt_sigprocmask(SIG_SETMASK, [], [pid 529] rt_sigprocmask(SIG_SETMASK, [], [pid 530] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 530] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 529] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 529] memfd_create("syzkaller", 0) = 4 [pid 529] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b721c000 [pid 529] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 530] <... openat resumed>) = 3 [pid 530] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 529] <... write resumed>) = 131072 [pid 528] <... futex resumed>) = 0 [pid 528] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 528] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 530] <... futex resumed>) = 1 [pid 529] munmap(0x7f43b721c000, 138412032 [pid 530] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 530] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 529] <... munmap resumed>) = 0 [pid 528] <... futex resumed>) = 0 [pid 528] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 528] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 530] <... futex resumed>) = 1 [pid 530] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 529] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 530] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 530] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 528] <... futex resumed>) = 0 [pid 528] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 528] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 530] <... futex resumed>) = 1 [pid 530] creat(0x200000000040, 000) = 6 [pid 529] <... openat resumed>) = 5 [pid 530] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 528] <... futex resumed>) = 0 [pid 528] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 528] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 530] <... futex resumed>) = 1 [pid 530] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL [pid 529] ioctl(5, LOOP_SET_FD, 4 [pid 530] <... mount resumed>) = 0 [pid 530] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 528] <... futex resumed>) = 0 [pid 528] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 528] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 530] <... futex resumed>) = 1 [pid 530] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c [pid 529] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 530] <... open resumed>) = 7 [pid 530] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 528] <... futex resumed>) = 0 [pid 528] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 528] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 530] <... futex resumed>) = 1 [pid 530] write(7, 0x200000000080, 34136651 [pid 529] ioctl(5, LOOP_CLR_FD) = 0 [pid 529] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy) [pid 529] close(5) = 0 [pid 529] close(4) = 0 [pid 529] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 529] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 530] <... write resumed>) = 131072 [pid 530] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 528] <... futex resumed>) = 0 [pid 528] close(3) = 0 [pid 528] close(4) = -1 EBADF (Bad file descriptor) [pid 528] close(5) = -1 EBADF (Bad file descriptor) [pid 528] close(6) = 0 [pid 528] close(7) = 0 [pid 528] close(8) = -1 EBADF (Bad file descriptor) [pid 528] close(9) = -1 EBADF (Bad file descriptor) [pid 528] close(10 [pid 530] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 528] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 528] close(11) = -1 EBADF (Bad file descriptor) [pid 528] close(12) = -1 EBADF (Bad file descriptor) [pid 528] close(13) = -1 EBADF (Bad file descriptor) [pid 528] close(14) = -1 EBADF (Bad file descriptor) [pid 528] close(15) = -1 EBADF (Bad file descriptor) [pid 528] close(16) = -1 EBADF (Bad file descriptor) [pid 528] close(17) = -1 EBADF (Bad file descriptor) [pid 528] close(18) = -1 EBADF (Bad file descriptor) [pid 528] close(19) = -1 EBADF (Bad file descriptor) [pid 528] close(20) = -1 EBADF (Bad file descriptor) [pid 528] close(21) = -1 EBADF (Bad file descriptor) [pid 528] close(22) = -1 EBADF (Bad file descriptor) [pid 528] close(23) = -1 EBADF (Bad file descriptor) [pid 528] close(24) = -1 EBADF (Bad file descriptor) [pid 528] close(25) = -1 EBADF (Bad file descriptor) [pid 528] close(26) = -1 EBADF (Bad file descriptor) [pid 528] close(27) = -1 EBADF (Bad file descriptor) [pid 528] close(28) = -1 EBADF (Bad file descriptor) [pid 528] close(29) = -1 EBADF (Bad file descriptor) [pid 528] exit_group(0) = ? [pid 530] <... futex resumed>) = ? [pid 530] +++ exited with 0 +++ [pid 529] <... futex resumed>) = ? [pid 529] +++ exited with 0 +++ [pid 528] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=238, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756f750) = 241 ./strace-static-x86_64: Process 531 attached [pid 531] set_robust_list(0x55555756f760, 24) = 0 [pid 531] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 531] setpgid(0, 0) = 0 [pid 531] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 531] write(3, "1000", 4) = 4 [pid 531] close(3) = 0 executing program [pid 531] write(1, "executing program\n", 18) = 18 [pid 531] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 531] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 531] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 531] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 531] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 531] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 531] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0}./strace-static-x86_64: Process 532 attached => {parent_tid=[242]}, 88) = 242 [pid 532] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 532] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 532] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 531] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 531] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 532] <... futex resumed>) = 0 [pid 532] memfd_create("syzkaller", 0 [pid 531] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 532] <... memfd_create resumed>) = 3 [pid 532] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b723d000 [pid 531] <... futex resumed>) = 0 [pid 531] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43b721c000 [pid 531] mprotect(0x7f43b721d000, 131072, PROT_READ|PROT_WRITE [pid 532] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 531] <... mprotect resumed>) = 0 [pid 531] rt_sigprocmask(SIG_BLOCK, ~[], [pid 532] <... write resumed>) = 131072 [pid 532] munmap(0x7f43b723d000, 138412032) = 0 [pid 532] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 531] <... rt_sigprocmask resumed>[], 8) = 0 [pid 532] <... openat resumed>) = 4 [pid 532] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 532] ioctl(4, LOOP_CLR_FD) = 0 [pid 531] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43b723c990, parent_tid=0x7f43b723c990, exit_signal=0, stack=0x7f43b721c000, stack_size=0x20240, tls=0x7f43b723c6c0} => {parent_tid=[243]}, 88) = 243 [pid 532] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 533 attached [pid 533] set_robust_list(0x7f43b723c9a0, 24) = 0 [pid 533] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 533] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 531] rt_sigprocmask(SIG_SETMASK, [], [pid 532] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 532] close(4 [pid 531] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 531] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000 [pid 532] <... close resumed>) = 0 [pid 531] <... futex resumed>) = 1 [pid 533] <... futex resumed>) = 0 [pid 533] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 532] close(3 [pid 531] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 532] <... close resumed>) = 0 [pid 532] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 532] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 533] <... openat resumed>) = 4 [pid 533] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 533] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 531] <... futex resumed>) = 0 [pid 531] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 531] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 532] <... futex resumed>) = 0 [pid 532] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 4, 0) = 0x200000000000 [pid 532] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 531] <... futex resumed>) = 0 [pid 531] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 531] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 532] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 532] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 532] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 531] <... futex resumed>) = 0 [pid 531] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 531] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 532] creat(0x200000000040, 000) = 3 [pid 532] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 531] <... futex resumed>) = 0 [pid 531] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 531] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 532] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 532] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 532] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 531] <... futex resumed>) = 0 [pid 531] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 531] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 532] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 532] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 532] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 531] <... futex resumed>) = 0 [pid 531] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 531] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 532] write(5, 0x200000000080, 34136651) = 131072 [pid 532] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 531] <... futex resumed>) = 0 [pid 531] close(3 [pid 532] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 531] <... close resumed>) = 0 [pid 531] close(4) = 0 [pid 531] close(5) = 0 [pid 531] close(6) = -1 EBADF (Bad file descriptor) [pid 531] close(7) = -1 EBADF (Bad file descriptor) [pid 531] close(8) = -1 EBADF (Bad file descriptor) [pid 531] close(9) = -1 EBADF (Bad file descriptor) [pid 531] close(10) = -1 EBADF (Bad file descriptor) [pid 531] close(11) = -1 EBADF (Bad file descriptor) [pid 531] close(12) = -1 EBADF (Bad file descriptor) [pid 531] close(13) = -1 EBADF (Bad file descriptor) [pid 531] close(14) = -1 EBADF (Bad file descriptor) [pid 531] close(15) = -1 EBADF (Bad file descriptor) [pid 531] close(16) = -1 EBADF (Bad file descriptor) [pid 531] close(17) = -1 EBADF (Bad file descriptor) [pid 531] close(18) = -1 EBADF (Bad file descriptor) [pid 531] close(19) = -1 EBADF (Bad file descriptor) [pid 531] close(20) = -1 EBADF (Bad file descriptor) [pid 531] close(21) = -1 EBADF (Bad file descriptor) [pid 531] close(22) = -1 EBADF (Bad file descriptor) [pid 531] close(23) = -1 EBADF (Bad file descriptor) [pid 531] close(24) = -1 EBADF (Bad file descriptor) [pid 531] close(25) = -1 EBADF (Bad file descriptor) [pid 531] close(26) = -1 EBADF (Bad file descriptor) [pid 531] close(27) = -1 EBADF (Bad file descriptor) [pid 531] close(28) = -1 EBADF (Bad file descriptor) [pid 531] close(29) = -1 EBADF (Bad file descriptor) [pid 531] exit_group(0) = ? [pid 533] <... futex resumed>) = ? [pid 533] +++ exited with 0 +++ [pid 532] <... futex resumed>) = ? [pid 532] +++ exited with 0 +++ [pid 531] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=241, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3executing program ) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756f750) = 244 ./strace-static-x86_64: Process 534 attached [pid 534] set_robust_list(0x55555756f760, 24) = 0 [pid 534] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 534] setpgid(0, 0) = 0 [pid 534] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 534] write(3, "1000", 4) = 4 [pid 534] close(3) = 0 [pid 534] write(1, "executing program\n", 18) = 18 [pid 534] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 534] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 534] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 534] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 534] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 534] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 534] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0} => {parent_tid=[245]}, 88) = 245 [pid 534] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 535 attached [pid 534] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 535] set_robust_list(0x7f43bf65d9a0, 24 [pid 534] <... futex resumed>) = 0 [pid 535] <... set_robust_list resumed>) = 0 [pid 534] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 535] rt_sigprocmask(SIG_SETMASK, [], [pid 534] <... futex resumed>) = 0 [pid 535] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 534] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 535] memfd_create("syzkaller", 0 [pid 534] <... mmap resumed>) = 0x7f43bf61c000 [pid 534] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 534] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 534] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0} [pid 535] <... memfd_create resumed>) = 3 [pid 535] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b721c000 [pid 534] <... clone3 resumed> => {parent_tid=[246]}, 88) = 246 ./strace-static-x86_64: Process 536 attached [pid 534] rt_sigprocmask(SIG_SETMASK, [], [pid 536] set_robust_list(0x7f43bf63c9a0, 24 [pid 535] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 534] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 536] <... set_robust_list resumed>) = 0 [pid 534] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000 [pid 536] rt_sigprocmask(SIG_SETMASK, [], [pid 534] <... futex resumed>) = 0 [pid 536] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 536] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 535] <... write resumed>) = 131072 [pid 534] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 535] munmap(0x7f43b721c000, 138412032) = 0 [pid 535] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 535] ioctl(5, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 535] ioctl(5, LOOP_CLR_FD) = 0 [pid 535] ioctl(5, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 535] close(5 [pid 536] <... openat resumed>) = 4 [pid 535] <... close resumed>) = 0 [pid 536] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 535] close(3 [pid 536] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 535] <... close resumed>) = 0 [pid 534] <... futex resumed>) = 0 [pid 534] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 534] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 536] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 536] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 4, 0) = 0x200000000000 [pid 536] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 534] <... futex resumed>) = 0 [pid 534] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 534] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 536] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 536] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 536] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 534] <... futex resumed>) = 0 [pid 534] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 534] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 536] creat(0x200000000040, 000 [pid 535] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 535] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 536] <... creat resumed>) = 3 [pid 536] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 536] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 534] <... futex resumed>) = 0 [pid 534] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 534] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 535] <... futex resumed>) = 0 [pid 535] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 535] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 535] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 534] <... futex resumed>) = 0 [pid 534] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 534] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 535] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 535] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 535] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 534] <... futex resumed>) = 0 [pid 534] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 534] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 535] write(5, 0x200000000080, 34136651) = 131072 [pid 535] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 534] <... futex resumed>) = 0 [pid 534] close(3) = 0 [pid 534] close(4) = 0 [pid 534] close(5) = 0 [pid 534] close(6) = -1 EBADF (Bad file descriptor) [pid 534] close(7) = -1 EBADF (Bad file descriptor) [pid 534] close(8) = -1 EBADF (Bad file descriptor) [pid 534] close(9) = -1 EBADF (Bad file descriptor) [pid 534] close(10) = -1 EBADF (Bad file descriptor) [pid 534] close(11) = -1 EBADF (Bad file descriptor) [pid 534] close(12) = -1 EBADF (Bad file descriptor) [pid 534] close(13) = -1 EBADF (Bad file descriptor) [pid 534] close(14) = -1 EBADF (Bad file descriptor) [pid 534] close(15) = -1 EBADF (Bad file descriptor) [pid 534] close(16) = -1 EBADF (Bad file descriptor) [pid 534] close(17) = -1 EBADF (Bad file descriptor) [pid 534] close(18) = -1 EBADF (Bad file descriptor) [pid 534] close(19) = -1 EBADF (Bad file descriptor) [pid 534] close(20) = -1 EBADF (Bad file descriptor) [pid 534] close(21) = -1 EBADF (Bad file descriptor) [pid 534] close(22) = -1 EBADF (Bad file descriptor) [pid 534] close(23) = -1 EBADF (Bad file descriptor) [pid 534] close(24) = -1 EBADF (Bad file descriptor) [pid 534] close(25) = -1 EBADF (Bad file descriptor) [pid 534] close(26) = -1 EBADF (Bad file descriptor) [pid 534] close(27) = -1 EBADF (Bad file descriptor) [pid 534] close(28) = -1 EBADF (Bad file descriptor) [pid 534] close(29) = -1 EBADF (Bad file descriptor) [pid 534] exit_group(0 [pid 536] <... futex resumed>) = ? [pid 534] <... exit_group resumed>) = ? [pid 536] +++ exited with 0 +++ [pid 535] <... futex resumed>) = ? [pid 535] +++ exited with 0 +++ [pid 534] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=244, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program , child_tidptr=0x55555756f750) = 247 ./strace-static-x86_64: Process 537 attached [pid 537] set_robust_list(0x55555756f760, 24) = 0 [pid 537] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 537] setpgid(0, 0) = 0 [pid 537] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 537] write(3, "1000", 4) = 4 [pid 537] close(3) = 0 [pid 537] write(1, "executing program\n", 18) = 18 [pid 537] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 537] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 537] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 537] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 537] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 537] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 537] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0} => {parent_tid=[248]}, 88) = 248 [pid 537] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 537] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 538 attached [pid 537] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 538] set_robust_list(0x7f43bf65d9a0, 24 [pid 537] <... futex resumed>) = 0 [pid 538] <... set_robust_list resumed>) = 0 [pid 537] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 538] rt_sigprocmask(SIG_SETMASK, [], [pid 537] <... mmap resumed>) = 0x7f43bf61c000 [pid 538] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 538] memfd_create("syzkaller", 0 [pid 537] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 537] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 537] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0} [pid 538] <... memfd_create resumed>) = 3 [pid 538] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b721c000 [pid 537] <... clone3 resumed> => {parent_tid=[249]}, 88) = 249 [pid 537] rt_sigprocmask(SIG_SETMASK, [], [pid 538] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 537] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 537] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 539 attached ) = 0 [pid 537] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 539] set_robust_list(0x7f43bf63c9a0, 24 [pid 538] <... write resumed>) = 131072 [pid 539] <... set_robust_list resumed>) = 0 [pid 539] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 538] munmap(0x7f43b721c000, 138412032 [pid 539] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 538] <... munmap resumed>) = 0 [pid 538] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 538] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 538] ioctl(4, LOOP_CLR_FD) = 0 [pid 538] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 538] close(4) = 0 [pid 538] close(3) = 0 [pid 538] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 538] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 539] <... openat resumed>) = 5 [pid 539] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 537] <... futex resumed>) = 0 [pid 537] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 537] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 538] <... futex resumed>) = 0 [pid 538] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 5, 0) = 0x200000000000 [pid 538] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 537] <... futex resumed>) = 0 [pid 537] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 537] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 538] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 538] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 538] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 537] <... futex resumed>) = 0 [pid 537] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 537] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 538] creat(0x200000000040, 000) = 3 [pid 538] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 537] <... futex resumed>) = 0 [pid 537] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 537] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 538] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 538] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 537] <... futex resumed>) = 0 [pid 537] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 537] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 538] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 4 [pid 538] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 537] <... futex resumed>) = 0 [pid 537] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 537] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 538] write(4, 0x200000000080, 34136651 [pid 539] <... futex resumed>) = 1 [pid 539] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 538] <... write resumed>) = 131072 [pid 538] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 538] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 537] <... futex resumed>) = 0 [pid 537] close(3) = 0 [pid 537] close(4) = 0 [pid 537] close(5) = 0 [pid 537] close(6) = -1 EBADF (Bad file descriptor) [pid 537] close(7) = -1 EBADF (Bad file descriptor) [pid 537] close(8) = -1 EBADF (Bad file descriptor) [pid 537] close(9) = -1 EBADF (Bad file descriptor) [pid 537] close(10) = -1 EBADF (Bad file descriptor) [pid 537] close(11) = -1 EBADF (Bad file descriptor) [pid 537] close(12) = -1 EBADF (Bad file descriptor) [pid 537] close(13) = -1 EBADF (Bad file descriptor) [pid 537] close(14) = -1 EBADF (Bad file descriptor) [pid 537] close(15) = -1 EBADF (Bad file descriptor) [pid 537] close(16) = -1 EBADF (Bad file descriptor) [pid 537] close(17) = -1 EBADF (Bad file descriptor) [pid 537] close(18) = -1 EBADF (Bad file descriptor) [pid 537] close(19) = -1 EBADF (Bad file descriptor) [pid 537] close(20) = -1 EBADF (Bad file descriptor) [pid 537] close(21) = -1 EBADF (Bad file descriptor) [pid 537] close(22) = -1 EBADF (Bad file descriptor) [pid 537] close(23) = -1 EBADF (Bad file descriptor) [pid 537] close(24) = -1 EBADF (Bad file descriptor) [pid 537] close(25) = -1 EBADF (Bad file descriptor) [pid 537] close(26) = -1 EBADF (Bad file descriptor) [pid 537] close(27) = -1 EBADF (Bad file descriptor) [pid 537] close(28) = -1 EBADF (Bad file descriptor) [pid 537] close(29) = -1 EBADF (Bad file descriptor) [pid 537] exit_group(0) = ? [pid 539] <... futex resumed>) = ? [pid 539] +++ exited with 0 +++ [pid 538] <... futex resumed>) = ? [pid 538] +++ exited with 0 +++ [pid 537] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=247, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756f750) = 250 ./strace-static-x86_64: Process 540 attached [pid 540] set_robust_list(0x55555756f760, 24) = 0 [pid 540] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 540] setpgid(0, 0) = 0 [pid 540] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program ) = 3 [pid 540] write(3, "1000", 4) = 4 [pid 540] close(3) = 0 [pid 540] write(1, "executing program\n", 18) = 18 [pid 540] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 540] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 540] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 540] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 540] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 540] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 540] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0} => {parent_tid=[251]}, 88) = 251 [pid 540] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 540] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 540] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 540] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf61c000 [pid 540] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 540] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 540] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0} => {parent_tid=[252]}, 88) = 252 [pid 540] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 540] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 540] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 542 attached [pid 542] set_robust_list(0x7f43bf63c9a0, 24) = 0 [pid 542] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 542] openat(AT_FDCWD, "/selinux/policy", O_RDONLY./strace-static-x86_64: Process 541 attached [pid 541] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 541] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 541] memfd_create("syzkaller", 0) = 4 [pid 541] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b721c000 [pid 541] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 542] <... openat resumed>) = 3 [pid 542] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 541] <... write resumed>) = 131072 [pid 542] <... futex resumed>) = 1 [pid 541] munmap(0x7f43b721c000, 138412032 [pid 540] <... futex resumed>) = 0 [pid 540] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 540] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 542] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0 [pid 541] <... munmap resumed>) = 0 [pid 541] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 542] <... mmap resumed>) = 0x200000000000 [pid 542] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 541] <... openat resumed>) = 5 [pid 541] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy) [pid 541] ioctl(5, LOOP_CLR_FD) = 0 [pid 542] <... futex resumed>) = 1 [pid 540] <... futex resumed>) = 0 [pid 540] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 540] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 542] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 542] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 542] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 540] <... futex resumed>) = 0 [pid 540] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 540] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 541] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy) [pid 541] close(5) = 0 [pid 542] creat(0x200000000040, 000) = 5 [pid 542] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 540] <... futex resumed>) = 0 [pid 540] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 540] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 542] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 542] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 540] <... futex resumed>) = 0 [pid 540] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 540] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 542] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 6 [pid 542] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 540] <... futex resumed>) = 0 [pid 540] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 540] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 542] write(6, 0x200000000080, 34136651 [pid 541] close(4 [pid 542] <... write resumed>) = 131072 [pid 542] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 541] <... close resumed>) = 0 [pid 541] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 541] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 542] <... futex resumed>) = 1 [pid 540] <... futex resumed>) = 0 [pid 540] close(3) = 0 [pid 540] close(4) = -1 EBADF (Bad file descriptor) [pid 540] close(5) = 0 [pid 540] close(6) = 0 [pid 540] close(7) = -1 EBADF (Bad file descriptor) [pid 540] close(8) = -1 EBADF (Bad file descriptor) [pid 540] close(9) = -1 EBADF (Bad file descriptor) [pid 540] close(10) = -1 EBADF (Bad file descriptor) [pid 540] close(11) = -1 EBADF (Bad file descriptor) [pid 540] close(12) = -1 EBADF (Bad file descriptor) [pid 540] close(13) = -1 EBADF (Bad file descriptor) [pid 540] close(14) = -1 EBADF (Bad file descriptor) [pid 540] close(15) = -1 EBADF (Bad file descriptor) [pid 540] close(16) = -1 EBADF (Bad file descriptor) [pid 540] close(17) = -1 EBADF (Bad file descriptor) [pid 540] close(18) = -1 EBADF (Bad file descriptor) [pid 542] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 540] close(19) = -1 EBADF (Bad file descriptor) [pid 540] close(20) = -1 EBADF (Bad file descriptor) [pid 540] close(21) = -1 EBADF (Bad file descriptor) [pid 540] close(22) = -1 EBADF (Bad file descriptor) [pid 540] close(23) = -1 EBADF (Bad file descriptor) [pid 540] close(24) = -1 EBADF (Bad file descriptor) [pid 540] close(25) = -1 EBADF (Bad file descriptor) [pid 540] close(26) = -1 EBADF (Bad file descriptor) [pid 540] close(27) = -1 EBADF (Bad file descriptor) [pid 540] close(28) = -1 EBADF (Bad file descriptor) [pid 540] close(29) = -1 EBADF (Bad file descriptor) [pid 540] exit_group(0) = ? [pid 542] <... futex resumed>) = ? [pid 541] <... futex resumed>) = ? [pid 542] +++ exited with 0 +++ [pid 541] +++ exited with 0 +++ [pid 540] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=250, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756f750) = 253 ./strace-static-x86_64: Process 543 attached [pid 543] set_robust_list(0x55555756f760, 24) = 0 [pid 543] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 543] setpgid(0, 0) = 0 [pid 543] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 543] write(3, "1000", 4) = 4 [pid 543] close(3executing program ) = 0 [pid 543] write(1, "executing program\n", 18) = 18 [pid 543] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 543] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 543] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 543] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 543] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 543] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 543] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0} => {parent_tid=[254]}, 88) = 254 [pid 543] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 543] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 543] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 543] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf61c000 [pid 543] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 543] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 543] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0} => {parent_tid=[255]}, 88) = 255 [pid 543] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 543] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 543] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 545 attached [pid 545] set_robust_list(0x7f43bf63c9a0, 24) = 0 [pid 545] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 545] openat(AT_FDCWD, "/selinux/policy", O_RDONLY./strace-static-x86_64: Process 544 attached [pid 544] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 544] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 544] memfd_create("syzkaller", 0) = 4 [pid 544] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b721c000 [pid 544] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 544] munmap(0x7f43b721c000, 138412032) = 0 [pid 544] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 544] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy) [pid 544] ioctl(5, LOOP_CLR_FD) = 0 [pid 545] <... openat resumed>) = 3 [pid 545] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 543] <... futex resumed>) = 0 [pid 543] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 543] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 545] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0 [pid 544] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy) [pid 544] close(5) = 0 [pid 544] close(4) = 0 [pid 544] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 544] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 545] <... mmap resumed>) = 0x200000000000 [pid 545] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 543] <... futex resumed>) = 0 [pid 543] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 543] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 544] <... futex resumed>) = 0 [pid 544] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 544] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 545] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 544] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 543] <... futex resumed>) = 0 [pid 543] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 543] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 544] <... futex resumed>) = 1 [pid 544] creat(0x200000000040, 000) = 4 [pid 544] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 543] <... futex resumed>) = 0 [pid 543] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 543] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 544] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 544] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 543] <... futex resumed>) = 0 [pid 543] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 543] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 544] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 544] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 543] <... futex resumed>) = 0 [pid 543] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 543] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 544] write(5, 0x200000000080, 34136651) = 131072 [pid 544] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 543] <... futex resumed>) = 0 [pid 543] close(3) = 0 [pid 543] close(4 [pid 544] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 543] <... close resumed>) = 0 [pid 543] close(5) = 0 [pid 543] close(6) = -1 EBADF (Bad file descriptor) [pid 543] close(7) = -1 EBADF (Bad file descriptor) [pid 543] close(8) = -1 EBADF (Bad file descriptor) [pid 543] close(9) = -1 EBADF (Bad file descriptor) [pid 543] close(10) = -1 EBADF (Bad file descriptor) [pid 543] close(11) = -1 EBADF (Bad file descriptor) [pid 543] close(12) = -1 EBADF (Bad file descriptor) [pid 543] close(13) = -1 EBADF (Bad file descriptor) [pid 543] close(14) = -1 EBADF (Bad file descriptor) [pid 543] close(15) = -1 EBADF (Bad file descriptor) [pid 543] close(16) = -1 EBADF (Bad file descriptor) [pid 543] close(17) = -1 EBADF (Bad file descriptor) [pid 543] close(18) = -1 EBADF (Bad file descriptor) [pid 543] close(19) = -1 EBADF (Bad file descriptor) [pid 543] close(20) = -1 EBADF (Bad file descriptor) [pid 543] close(21) = -1 EBADF (Bad file descriptor) [pid 543] close(22) = -1 EBADF (Bad file descriptor) [pid 543] close(23) = -1 EBADF (Bad file descriptor) [pid 543] close(24) = -1 EBADF (Bad file descriptor) [pid 543] close(25) = -1 EBADF (Bad file descriptor) [pid 543] close(26) = -1 EBADF (Bad file descriptor) [pid 543] close(27) = -1 EBADF (Bad file descriptor) [pid 543] close(28) = -1 EBADF (Bad file descriptor) [pid 543] close(29) = -1 EBADF (Bad file descriptor) [pid 543] exit_group(0) = ? [pid 545] <... futex resumed>) = ? [pid 545] +++ exited with 0 +++ [pid 544] <... futex resumed>) = ? [pid 544] +++ exited with 0 +++ [pid 543] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=253, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756f750) = 256 ./strace-static-x86_64: Process 546 attached [pid 546] set_robust_list(0x55555756f760, 24) = 0 [pid 546] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 546] setpgid(0, 0) = 0 [pid 546] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 546] write(3, "1000", 4) = 4 [pid 546] close(3) = 0 executing program [pid 546] write(1, "executing program\n", 18) = 18 [pid 546] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 546] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 546] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 546] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 546] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 546] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 546] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0} => {parent_tid=[257]}, 88) = 257 [pid 546] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 546] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 546] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 546] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf61c000 [pid 546] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 546] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 546] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0} => {parent_tid=[258]}, 88) = 258 [pid 546] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 546] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 546] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 547 attached [pid 547] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 547] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 547] memfd_create("syzkaller", 0) = 3 [pid 547] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b721c000 [pid 547] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 547] munmap(0x7f43b721c000, 138412032) = 0 [pid 547] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 547] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 547] ioctl(4, LOOP_CLR_FD) = 0 ./strace-static-x86_64: Process 548 attached [pid 548] set_robust_list(0x7f43bf63c9a0, 24 [pid 547] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 547] close(4 [pid 548] <... set_robust_list resumed>) = 0 [pid 547] <... close resumed>) = 0 [pid 548] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 548] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 547] close(3) = 0 [pid 547] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 547] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 548] <... openat resumed>) = 4 [pid 548] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 548] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 546] <... futex resumed>) = 0 [pid 546] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 547] <... futex resumed>) = 0 [pid 546] <... futex resumed>) = 1 [pid 547] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 4, 0 [pid 546] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 547] <... mmap resumed>) = 0x200000000000 [pid 547] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 546] <... futex resumed>) = 0 [pid 547] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 546] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 547] mkdirat(AT_FDCWD, 0x200000000280, 0117 [pid 546] <... futex resumed>) = 0 [pid 547] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 546] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 547] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 546] <... futex resumed>) = 0 [pid 547] creat(0x200000000040, 000 [pid 546] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 547] <... creat resumed>) = 3 [pid 546] <... futex resumed>) = 0 [pid 547] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 547] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 546] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 546] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 547] <... futex resumed>) = 0 [pid 546] <... futex resumed>) = 1 [pid 547] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL [pid 546] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 547] <... mount resumed>) = 0 [pid 547] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 546] <... futex resumed>) = 0 [pid 547] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c [pid 546] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 547] <... open resumed>) = 5 [pid 546] <... futex resumed>) = 0 [pid 547] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 546] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 547] <... futex resumed>) = 0 [pid 546] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 547] write(5, 0x200000000080, 34136651 [pid 546] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 546] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 547] <... write resumed>) = 131072 [pid 547] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 546] <... futex resumed>) = 0 [pid 547] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 546] close(3) = 0 [pid 546] close(4) = 0 [pid 546] close(5) = 0 [pid 546] close(6) = -1 EBADF (Bad file descriptor) [pid 546] close(7) = -1 EBADF (Bad file descriptor) [pid 546] close(8) = -1 EBADF (Bad file descriptor) [pid 546] close(9) = -1 EBADF (Bad file descriptor) [pid 546] close(10) = -1 EBADF (Bad file descriptor) [pid 546] close(11) = -1 EBADF (Bad file descriptor) [pid 546] close(12) = -1 EBADF (Bad file descriptor) [pid 546] close(13) = -1 EBADF (Bad file descriptor) [pid 546] close(14) = -1 EBADF (Bad file descriptor) [pid 546] close(15) = -1 EBADF (Bad file descriptor) [pid 546] close(16) = -1 EBADF (Bad file descriptor) [pid 546] close(17) = -1 EBADF (Bad file descriptor) [pid 546] close(18) = -1 EBADF (Bad file descriptor) [pid 546] close(19) = -1 EBADF (Bad file descriptor) [pid 546] close(20) = -1 EBADF (Bad file descriptor) [pid 546] close(21) = -1 EBADF (Bad file descriptor) [pid 546] close(22) = -1 EBADF (Bad file descriptor) [pid 546] close(23) = -1 EBADF (Bad file descriptor) [pid 546] close(24) = -1 EBADF (Bad file descriptor) [pid 546] close(25) = -1 EBADF (Bad file descriptor) [pid 546] close(26) = -1 EBADF (Bad file descriptor) [pid 546] close(27) = -1 EBADF (Bad file descriptor) [pid 546] close(28) = -1 EBADF (Bad file descriptor) [pid 546] close(29) = -1 EBADF (Bad file descriptor) [pid 546] exit_group(0) = ? [pid 547] <... futex resumed>) = ? [pid 547] +++ exited with 0 +++ [pid 548] <... futex resumed>) = ? [pid 548] +++ exited with 0 +++ [pid 546] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=256, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756f750) = 259 ./strace-static-x86_64: Process 549 attached executing program [pid 549] set_robust_list(0x55555756f760, 24) = 0 [pid 549] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 549] setpgid(0, 0) = 0 [pid 549] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 549] write(3, "1000", 4) = 4 [pid 549] close(3) = 0 [pid 549] write(1, "executing program\n", 18) = 18 [pid 549] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 549] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 549] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 549] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 549] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 549] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 549] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0} => {parent_tid=[260]}, 88) = 260 [pid 549] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 549] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 549] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 549] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf61c000 [pid 549] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 549] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 550 attached [pid 550] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 550] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 550] memfd_create("syzkaller", 0) = 3 [pid 550] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b721c000 [pid 550] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 550] munmap(0x7f43b721c000, 138412032) = 0 [pid 550] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 549] <... rt_sigprocmask resumed>[], 8) = 0 [pid 550] ioctl(4, LOOP_SET_FD, 3 [pid 549] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0} => {parent_tid=[261]}, 88) = 261 [pid 550] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 549] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 549] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 550] ioctl(4, LOOP_CLR_FD [pid 549] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 551 attached [pid 551] set_robust_list(0x7f43bf63c9a0, 24) = 0 [pid 551] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 551] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 550] <... ioctl resumed>) = 0 [pid 550] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 550] close(4) = 0 [pid 550] close(3) = 0 [pid 550] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 551] <... openat resumed>) = 5 [pid 550] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 551] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 549] <... futex resumed>) = 0 [pid 549] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 549] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 551] <... futex resumed>) = 1 [pid 551] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 550] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 550] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 5, 0) = 0x200000000000 [pid 550] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 549] <... futex resumed>) = 0 [pid 549] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 549] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 550] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 550] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 550] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 549] <... futex resumed>) = 0 [pid 549] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 549] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 550] creat(0x200000000040, 000) = 3 [pid 550] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 549] <... futex resumed>) = 0 [pid 549] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 549] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 550] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 550] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 549] <... futex resumed>) = 0 [pid 549] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 549] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 550] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 4 [pid 550] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 549] <... futex resumed>) = 0 [pid 549] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 549] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 550] write(4, 0x200000000080, 34136651) = 131072 [pid 550] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 549] <... futex resumed>) = 0 [pid 549] close(3) = 0 [pid 549] close(4) = 0 [pid 549] close(5) = 0 [pid 549] close(6) = -1 EBADF (Bad file descriptor) [pid 549] close(7) = -1 EBADF (Bad file descriptor) [pid 549] close(8) = -1 EBADF (Bad file descriptor) [pid 549] close(9) = -1 EBADF (Bad file descriptor) [pid 549] close(10) = -1 EBADF (Bad file descriptor) [pid 549] close(11) = -1 EBADF (Bad file descriptor) [pid 549] close(12) = -1 EBADF (Bad file descriptor) [pid 549] close(13) = -1 EBADF (Bad file descriptor) [pid 549] close(14) = -1 EBADF (Bad file descriptor) [pid 549] close(15) = -1 EBADF (Bad file descriptor) [pid 549] close(16) = -1 EBADF (Bad file descriptor) [pid 549] close(17) = -1 EBADF (Bad file descriptor) [pid 549] close(18) = -1 EBADF (Bad file descriptor) [pid 549] close(19) = -1 EBADF (Bad file descriptor) [pid 549] close(20) = -1 EBADF (Bad file descriptor) [pid 549] close(21) = -1 EBADF (Bad file descriptor) [pid 549] close(22) = -1 EBADF (Bad file descriptor) [pid 549] close(23) = -1 EBADF (Bad file descriptor) [pid 549] close(24) = -1 EBADF (Bad file descriptor) [pid 549] close(25) = -1 EBADF (Bad file descriptor) [pid 549] close(26) = -1 EBADF (Bad file descriptor) [pid 549] close(27) = -1 EBADF (Bad file descriptor) [pid 549] close(28) = -1 EBADF (Bad file descriptor) [pid 549] close(29) = -1 EBADF (Bad file descriptor) [pid 549] exit_group(0) = ? [pid 551] <... futex resumed>) = ? [pid 551] +++ exited with 0 +++ [pid 550] +++ exited with 0 +++ [pid 549] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=259, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 executing program [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756f750) = 262 ./strace-static-x86_64: Process 552 attached [pid 552] set_robust_list(0x55555756f760, 24) = 0 [pid 552] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 552] setpgid(0, 0) = 0 [pid 552] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 552] write(3, "1000", 4) = 4 [pid 552] close(3) = 0 [pid 552] write(1, "executing program\n", 18) = 18 [pid 552] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 552] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 552] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 552] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 552] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 552] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 552] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0} => {parent_tid=[263]}, 88) = 263 [pid 552] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 552] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 552] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 552] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf61c000 [pid 552] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 552] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 552] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0} => {parent_tid=[264]}, 88) = 264 [pid 552] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 552] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 552] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 554 attached [pid 554] set_robust_list(0x7f43bf63c9a0, 24) = 0 [pid 554] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 554] openat(AT_FDCWD, "/selinux/policy", O_RDONLY./strace-static-x86_64: Process 553 attached [pid 553] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 553] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 553] memfd_create("syzkaller", 0) = 4 [pid 553] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b721c000 [pid 554] <... openat resumed>) = 3 [pid 554] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 552] <... futex resumed>) = 0 [pid 553] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 552] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000 [pid 554] <... futex resumed>) = 1 [pid 552] <... futex resumed>) = 0 [pid 552] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 554] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 554] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 553] <... write resumed>) = 131072 [pid 554] <... futex resumed>) = 1 [pid 553] munmap(0x7f43b721c000, 138412032 [pid 552] <... futex resumed>) = 0 [pid 552] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 552] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 554] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 554] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 554] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 552] <... futex resumed>) = 0 [pid 552] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 552] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 554] <... futex resumed>) = 1 [pid 554] creat(0x200000000040, 000) = 5 [pid 554] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 552] <... futex resumed>) = 0 [pid 552] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 552] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 554] <... futex resumed>) = 1 [pid 554] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 554] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 552] <... futex resumed>) = 0 [pid 552] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 552] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 554] <... futex resumed>) = 1 [pid 554] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 6 [pid 554] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 552] <... futex resumed>) = 0 [pid 552] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000 [pid 553] <... munmap resumed>) = 0 [pid 552] <... futex resumed>) = 0 [pid 552] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 554] <... futex resumed>) = 1 [pid 554] write(6, 0x200000000080, 34136651 [pid 553] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 7 [pid 553] ioctl(7, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy) [pid 553] ioctl(7, LOOP_CLR_FD) = 0 [pid 553] ioctl(7, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy) [pid 553] close(7) = 0 [pid 553] close(4) = 0 [pid 553] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 553] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 554] <... write resumed>) = 131072 [pid 554] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 552] <... futex resumed>) = 0 [pid 552] close(3) = 0 [pid 552] close(4) = -1 EBADF (Bad file descriptor) [pid 552] close(5) = 0 [pid 552] close(6) = 0 [pid 552] close(7) = -1 EBADF (Bad file descriptor) [pid 552] close(8) = -1 EBADF (Bad file descriptor) [pid 552] close(9) = -1 EBADF (Bad file descriptor) [pid 552] close(10) = -1 EBADF (Bad file descriptor) [pid 552] close(11) = -1 EBADF (Bad file descriptor) [pid 552] close(12) = -1 EBADF (Bad file descriptor) [pid 552] close(13) = -1 EBADF (Bad file descriptor) [pid 552] close(14) = -1 EBADF (Bad file descriptor) [pid 552] close(15) = -1 EBADF (Bad file descriptor) [pid 552] close(16) = -1 EBADF (Bad file descriptor) [pid 552] close(17) = -1 EBADF (Bad file descriptor) [pid 552] close(18) = -1 EBADF (Bad file descriptor) [pid 552] close(19) = -1 EBADF (Bad file descriptor) [pid 552] close(20) = -1 EBADF (Bad file descriptor) [pid 552] close(21) = -1 EBADF (Bad file descriptor) [pid 552] close(22) = -1 EBADF (Bad file descriptor) [pid 552] close(23) = -1 EBADF (Bad file descriptor) [pid 552] close(24) = -1 EBADF (Bad file descriptor) [pid 552] close(25) = -1 EBADF (Bad file descriptor) [pid 552] close(26) = -1 EBADF (Bad file descriptor) [pid 552] close(27) = -1 EBADF (Bad file descriptor) [pid 552] close(28) = -1 EBADF (Bad file descriptor) [pid 552] close(29) = -1 EBADF (Bad file descriptor) [pid 552] exit_group(0) = ? [pid 553] <... futex resumed>) = ? [pid 554] <... futex resumed>) = ? [pid 553] +++ exited with 0 +++ [pid 554] +++ exited with 0 +++ [pid 552] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=262, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 555 attached , child_tidptr=0x55555756f750) = 265 [pid 555] set_robust_list(0x55555756f760, 24) = 0 [pid 555] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 555] setpgid(0, 0) = 0 [pid 555] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 555] write(3, "1000", 4) = 4 [pid 555] close(3) = 0 executing program [pid 555] write(1, "executing program\n", 18) = 18 [pid 555] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 555] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 555] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 555] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 555] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 555] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 555] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0}./strace-static-x86_64: Process 556 attached => {parent_tid=[266]}, 88) = 266 [pid 556] set_robust_list(0x7f43bf65d9a0, 24 [pid 555] rt_sigprocmask(SIG_SETMASK, [], [pid 556] <... set_robust_list resumed>) = 0 [pid 555] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 556] rt_sigprocmask(SIG_SETMASK, [], [pid 555] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 556] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 555] <... futex resumed>) = 0 [pid 555] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 555] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 556] memfd_create("syzkaller", 0 [pid 555] <... mmap resumed>) = 0x7f43bf61c000 [pid 555] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 556] <... memfd_create resumed>) = 3 [pid 556] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 555] rt_sigprocmask(SIG_BLOCK, ~[], [pid 556] <... mmap resumed>) = 0x7f43b721c000 [pid 555] <... rt_sigprocmask resumed>[], 8) = 0 [pid 555] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0}./strace-static-x86_64: Process 557 attached [pid 557] set_robust_list(0x7f43bf63c9a0, 24 [pid 555] <... clone3 resumed> => {parent_tid=[267]}, 88) = 267 [pid 557] <... set_robust_list resumed>) = 0 [pid 557] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 557] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 555] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 555] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 557] <... futex resumed>) = 0 [pid 557] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 555] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 556] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 556] munmap(0x7f43b721c000, 138412032) = 0 [pid 556] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 556] ioctl(5, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 556] ioctl(5, LOOP_CLR_FD) = 0 [pid 556] ioctl(5, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 556] close(5) = 0 [pid 556] close(3) = 0 [pid 556] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 556] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 557] <... openat resumed>) = 4 [pid 557] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 555] <... futex resumed>) = 0 [pid 555] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 555] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 556] <... futex resumed>) = 0 [pid 556] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 4, 0) = 0x200000000000 [pid 557] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 556] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 555] <... futex resumed>) = 0 [pid 555] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 555] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 556] <... futex resumed>) = 1 [pid 556] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 556] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 556] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 555] <... futex resumed>) = 0 [pid 555] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 555] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 556] <... futex resumed>) = 1 [pid 556] creat(0x200000000040, 000) = 3 [pid 556] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 555] <... futex resumed>) = 0 [pid 555] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 555] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 556] <... futex resumed>) = 1 [pid 556] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 556] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 555] <... futex resumed>) = 0 [pid 555] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 555] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 556] <... futex resumed>) = 1 [pid 556] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 556] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 555] <... futex resumed>) = 0 [pid 555] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 555] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 556] <... futex resumed>) = 1 [pid 556] write(5, 0x200000000080, 34136651) = 131072 [pid 556] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 555] <... futex resumed>) = 0 [pid 555] close(3) = 0 [pid 555] close(4) = 0 [pid 555] close(5) = 0 [pid 555] close(6) = -1 EBADF (Bad file descriptor) [pid 555] close(7) = -1 EBADF (Bad file descriptor) [pid 555] close(8) = -1 EBADF (Bad file descriptor) [pid 555] close(9) = -1 EBADF (Bad file descriptor) [pid 556] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 555] close(10) = -1 EBADF (Bad file descriptor) [pid 555] close(11) = -1 EBADF (Bad file descriptor) [pid 555] close(12) = -1 EBADF (Bad file descriptor) [pid 555] close(13) = -1 EBADF (Bad file descriptor) [pid 555] close(14) = -1 EBADF (Bad file descriptor) [pid 555] close(15) = -1 EBADF (Bad file descriptor) [pid 555] close(16) = -1 EBADF (Bad file descriptor) [pid 555] close(17) = -1 EBADF (Bad file descriptor) [pid 555] close(18) = -1 EBADF (Bad file descriptor) [pid 555] close(19) = -1 EBADF (Bad file descriptor) [pid 555] close(20) = -1 EBADF (Bad file descriptor) [pid 555] close(21) = -1 EBADF (Bad file descriptor) [pid 555] close(22) = -1 EBADF (Bad file descriptor) [pid 555] close(23) = -1 EBADF (Bad file descriptor) [pid 555] close(24) = -1 EBADF (Bad file descriptor) [pid 555] close(25) = -1 EBADF (Bad file descriptor) [pid 555] close(26) = -1 EBADF (Bad file descriptor) [pid 555] close(27) = -1 EBADF (Bad file descriptor) [pid 555] close(28) = -1 EBADF (Bad file descriptor) [pid 555] close(29) = -1 EBADF (Bad file descriptor) [pid 555] exit_group(0) = ? [pid 557] <... futex resumed>) = 231 [pid 556] <... futex resumed>) = ? [pid 556] +++ exited with 0 +++ [pid 557] +++ exited with 0 +++ [pid 555] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=265, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756f750) = 268 ./strace-static-x86_64: Process 558 attached [pid 558] set_robust_list(0x55555756f760, 24) = 0 [pid 558] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 558] setpgid(0, 0) = 0 [pid 558] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 558] write(3, "1000", 4) = 4 [pid 558] close(3) = 0 [pid 558] write(1, "executing program\n", 18executing program ) = 18 [pid 558] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 558] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 558] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 558] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 558] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 558] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 558] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0}./strace-static-x86_64: Process 559 attached => {parent_tid=[269]}, 88) = 269 [pid 559] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 559] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 559] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 558] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 558] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 559] <... futex resumed>) = 0 [pid 559] memfd_create("syzkaller", 0) = 3 [pid 558] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 559] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b723d000 [pid 558] <... futex resumed>) = 0 [pid 558] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43b721c000 [pid 558] mprotect(0x7f43b721d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 558] rt_sigprocmask(SIG_BLOCK, ~[], [pid 559] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 558] <... rt_sigprocmask resumed>[], 8) = 0 [pid 558] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43b723c990, parent_tid=0x7f43b723c990, exit_signal=0, stack=0x7f43b721c000, stack_size=0x20240, tls=0x7f43b723c6c0} [pid 559] <... write resumed>) = 131072 [pid 559] munmap(0x7f43b723d000, 138412032 [pid 558] <... clone3 resumed> => {parent_tid=[270]}, 88) = 270 [pid 559] <... munmap resumed>) = 0 [pid 559] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 559] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 559] ioctl(4, LOOP_CLR_FD) = 0 ./strace-static-x86_64: Process 560 attached [pid 560] set_robust_list(0x7f43b723c9a0, 24) = 0 [pid 560] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 558] rt_sigprocmask(SIG_SETMASK, [], [pid 560] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 558] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 558] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 560] <... futex resumed>) = 0 [pid 558] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 559] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 559] close(4) = 0 [pid 559] close(3 [pid 560] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 559] <... close resumed>) = 0 [pid 559] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 559] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 560] <... openat resumed>) = 3 [pid 560] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 558] <... futex resumed>) = 0 [pid 558] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 560] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 559] <... futex resumed>) = 0 [pid 558] <... futex resumed>) = 1 [pid 559] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 559] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 559] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 558] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 558] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 559] <... futex resumed>) = 0 [pid 558] <... futex resumed>) = 1 [pid 559] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 558] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 559] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 559] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 559] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 558] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 558] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 559] <... futex resumed>) = 0 [pid 558] <... futex resumed>) = 1 [pid 559] creat(0x200000000040, 000) = 4 [pid 559] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 559] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 558] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 558] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 559] <... futex resumed>) = 0 [pid 558] <... futex resumed>) = 1 [pid 559] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 559] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 559] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 558] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 558] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 559] <... futex resumed>) = 0 [pid 558] <... futex resumed>) = 1 [pid 559] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 559] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 559] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 558] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 558] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 559] <... futex resumed>) = 0 [pid 558] <... futex resumed>) = 1 [pid 559] write(5, 0x200000000080, 34136651 [pid 558] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 559] <... write resumed>) = 131072 [pid 559] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 559] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 558] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 558] close(3) = 0 [pid 558] close(4) = 0 [pid 558] close(5) = 0 [pid 558] close(6) = -1 EBADF (Bad file descriptor) [pid 558] close(7) = -1 EBADF (Bad file descriptor) [pid 558] close(8) = -1 EBADF (Bad file descriptor) [pid 558] close(9) = -1 EBADF (Bad file descriptor) [pid 558] close(10) = -1 EBADF (Bad file descriptor) [pid 558] close(11) = -1 EBADF (Bad file descriptor) [pid 558] close(12) = -1 EBADF (Bad file descriptor) [pid 558] close(13) = -1 EBADF (Bad file descriptor) [pid 558] close(14) = -1 EBADF (Bad file descriptor) [pid 558] close(15) = -1 EBADF (Bad file descriptor) [pid 558] close(16) = -1 EBADF (Bad file descriptor) [pid 558] close(17) = -1 EBADF (Bad file descriptor) [pid 558] close(18) = -1 EBADF (Bad file descriptor) [pid 558] close(19) = -1 EBADF (Bad file descriptor) [pid 558] close(20) = -1 EBADF (Bad file descriptor) [pid 558] close(21) = -1 EBADF (Bad file descriptor) [pid 558] close(22) = -1 EBADF (Bad file descriptor) [pid 558] close(23) = -1 EBADF (Bad file descriptor) [pid 558] close(24) = -1 EBADF (Bad file descriptor) [pid 558] close(25) = -1 EBADF (Bad file descriptor) [pid 558] close(26) = -1 EBADF (Bad file descriptor) [pid 558] close(27) = -1 EBADF (Bad file descriptor) [pid 558] close(28) = -1 EBADF (Bad file descriptor) [pid 558] close(29) = -1 EBADF (Bad file descriptor) [pid 558] exit_group(0 [pid 559] <... futex resumed>) = ? [pid 558] <... exit_group resumed>) = ? [pid 559] +++ exited with 0 +++ [pid 560] <... futex resumed>) = ? [pid 560] +++ exited with 0 +++ [pid 558] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=268, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756f750) = 271 ./strace-static-x86_64: Process 561 attached [pid 561] set_robust_list(0x55555756f760, 24) = 0 [pid 561] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 561] setpgid(0, 0) = 0 [pid 561] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 561] write(3, "1000", 4) = 4 [pid 561] close(3) = 0 [pid 561] write(1, "executing program\n", 18executing program ) = 18 [pid 561] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 561] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 561] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 561] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 561] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 561] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 561] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0}./strace-static-x86_64: Process 562 attached => {parent_tid=[272]}, 88) = 272 [pid 562] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 562] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 562] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 561] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 561] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 562] <... futex resumed>) = 0 [pid 562] memfd_create("syzkaller", 0 [pid 561] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 562] <... memfd_create resumed>) = 3 [pid 561] <... futex resumed>) = 0 [pid 562] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b723d000 [pid 561] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43b721c000 [pid 561] mprotect(0x7f43b721d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 561] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 561] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43b723c990, parent_tid=0x7f43b723c990, exit_signal=0, stack=0x7f43b721c000, stack_size=0x20240, tls=0x7f43b723c6c0}./strace-static-x86_64: Process 563 attached => {parent_tid=[273]}, 88) = 273 [pid 563] set_robust_list(0x7f43b723c9a0, 24 [pid 561] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 563] <... set_robust_list resumed>) = 0 [pid 562] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 563] rt_sigprocmask(SIG_SETMASK, [], [pid 561] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 563] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 561] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 563] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 562] <... write resumed>) = 131072 [pid 562] munmap(0x7f43b723d000, 138412032) = 0 [pid 562] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 562] ioctl(5, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 562] ioctl(5, LOOP_CLR_FD) = 0 [pid 562] ioctl(5, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 562] close(5) = 0 [pid 562] close(3) = 0 [pid 562] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 562] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 563] <... openat resumed>) = 4 [pid 563] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 561] <... futex resumed>) = 0 [pid 561] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 563] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 561] <... futex resumed>) = 1 [pid 562] <... futex resumed>) = 0 [pid 562] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 4, 0) = 0x200000000000 [pid 561] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 562] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 562] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 561] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 561] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 562] <... futex resumed>) = 0 [pid 562] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 561] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 562] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 562] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 561] <... futex resumed>) = 0 [pid 561] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 561] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 562] creat(0x200000000040, 000) = 3 [pid 562] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 561] <... futex resumed>) = 0 [pid 561] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 561] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 562] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 562] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 561] <... futex resumed>) = 0 [pid 561] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 561] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 562] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 562] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 561] <... futex resumed>) = 0 [pid 561] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 561] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 562] write(5, 0x200000000080, 34136651) = 131072 [pid 562] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 561] <... futex resumed>) = 0 [pid 561] close(3) = 0 [pid 561] close(4) = 0 [pid 561] close(5) = 0 [pid 561] close(6) = -1 EBADF (Bad file descriptor) [pid 561] close(7) = -1 EBADF (Bad file descriptor) [pid 561] close(8) = -1 EBADF (Bad file descriptor) [pid 561] close(9) = -1 EBADF (Bad file descriptor) [pid 561] close(10) = -1 EBADF (Bad file descriptor) [pid 561] close(11) = -1 EBADF (Bad file descriptor) [pid 561] close(12) = -1 EBADF (Bad file descriptor) [pid 561] close(13) = -1 EBADF (Bad file descriptor) [pid 561] close(14) = -1 EBADF (Bad file descriptor) [pid 561] close(15) = -1 EBADF (Bad file descriptor) [pid 561] close(16) = -1 EBADF (Bad file descriptor) [pid 561] close(17) = -1 EBADF (Bad file descriptor) [pid 561] close(18) = -1 EBADF (Bad file descriptor) [pid 561] close(19) = -1 EBADF (Bad file descriptor) [pid 561] close(20) = -1 EBADF (Bad file descriptor) [pid 561] close(21) = -1 EBADF (Bad file descriptor) [pid 561] close(22) = -1 EBADF (Bad file descriptor) [pid 561] close(23) = -1 EBADF (Bad file descriptor) [pid 561] close(24) = -1 EBADF (Bad file descriptor) [pid 561] close(25) = -1 EBADF (Bad file descriptor) [pid 561] close(26) = -1 EBADF (Bad file descriptor) [pid 561] close(27) = -1 EBADF (Bad file descriptor) [pid 561] close(28) = -1 EBADF (Bad file descriptor) [pid 561] close(29) = -1 EBADF (Bad file descriptor) [pid 561] exit_group(0) = ? [pid 563] <... futex resumed>) = ? [pid 562] +++ exited with 0 +++ [pid 563] +++ exited with 0 +++ [pid 561] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=271, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 564 attached [pid 564] set_robust_list(0x55555756f760, 24 [pid 289] <... clone resumed>, child_tidptr=0x55555756f750) = 274 [pid 564] <... set_robust_list resumed>) = 0 [pid 564] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 564] setpgid(0, 0) = 0 [pid 564] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 564] write(3, "1000", 4) = 4 [pid 564] close(3) = 0 [pid 564] write(1, "executing program\n", 18executing program ) = 18 [pid 564] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 564] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 564] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 564] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 564] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 564] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 564] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0}./strace-static-x86_64: Process 565 attached [pid 565] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 565] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 565] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 564] <... clone3 resumed> => {parent_tid=[275]}, 88) = 275 [pid 564] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 564] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 565] <... futex resumed>) = 0 [pid 565] memfd_create("syzkaller", 0 [pid 564] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 565] <... memfd_create resumed>) = 3 [pid 565] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b723d000 [pid 564] <... futex resumed>) = 0 [pid 564] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43b721c000 [pid 564] mprotect(0x7f43b721d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 565] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 564] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 565] <... write resumed>) = 131072 [pid 565] munmap(0x7f43b723d000, 138412032 [pid 564] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43b723c990, parent_tid=0x7f43b723c990, exit_signal=0, stack=0x7f43b721c000, stack_size=0x20240, tls=0x7f43b723c6c0} [pid 565] <... munmap resumed>) = 0 [pid 565] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 564] <... clone3 resumed> => {parent_tid=[276]}, 88) = 276 ./strace-static-x86_64: Process 566 attached [pid 565] <... openat resumed>) = 4 [pid 565] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 565] ioctl(4, LOOP_CLR_FD) = 0 [pid 566] set_robust_list(0x7f43b723c9a0, 24 [pid 564] rt_sigprocmask(SIG_SETMASK, [], [pid 566] <... set_robust_list resumed>) = 0 [pid 564] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 566] rt_sigprocmask(SIG_SETMASK, [], [pid 564] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 564] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 566] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 565] ioctl(4, LOOP_SET_FD, 3 [pid 566] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 565] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 565] close(4) = 0 [pid 565] close(3) = 0 [pid 565] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 565] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 566] <... openat resumed>) = 3 [pid 566] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 564] <... futex resumed>) = 0 [pid 564] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 564] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 565] <... futex resumed>) = 0 [pid 565] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 565] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 564] <... futex resumed>) = 0 [pid 564] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 564] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 565] <... futex resumed>) = 1 [pid 565] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 566] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 565] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 565] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 564] <... futex resumed>) = 0 [pid 564] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 564] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 565] <... futex resumed>) = 1 [pid 565] creat(0x200000000040, 000) = 4 [pid 565] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 564] <... futex resumed>) = 0 [pid 564] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 564] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 565] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 565] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 564] <... futex resumed>) = 0 [pid 564] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 564] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 565] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 565] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 564] <... futex resumed>) = 0 [pid 564] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 564] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 565] write(5, 0x200000000080, 34136651) = 131072 [pid 565] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 564] <... futex resumed>) = 0 [pid 564] close(3) = 0 [pid 564] close(4) = 0 [pid 564] close(5) = 0 [pid 565] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 564] close(6) = -1 EBADF (Bad file descriptor) [pid 564] close(7) = -1 EBADF (Bad file descriptor) [pid 564] close(8) = -1 EBADF (Bad file descriptor) [pid 564] close(9) = -1 EBADF (Bad file descriptor) [pid 564] close(10) = -1 EBADF (Bad file descriptor) [pid 564] close(11) = -1 EBADF (Bad file descriptor) [pid 564] close(12) = -1 EBADF (Bad file descriptor) [pid 564] close(13) = -1 EBADF (Bad file descriptor) [pid 564] close(14) = -1 EBADF (Bad file descriptor) [pid 564] close(15) = -1 EBADF (Bad file descriptor) [pid 564] close(16) = -1 EBADF (Bad file descriptor) [pid 564] close(17) = -1 EBADF (Bad file descriptor) [pid 564] close(18) = -1 EBADF (Bad file descriptor) [pid 564] close(19) = -1 EBADF (Bad file descriptor) [pid 564] close(20) = -1 EBADF (Bad file descriptor) [pid 564] close(21) = -1 EBADF (Bad file descriptor) [pid 564] close(22) = -1 EBADF (Bad file descriptor) [pid 564] close(23) = -1 EBADF (Bad file descriptor) [pid 564] close(24) = -1 EBADF (Bad file descriptor) [pid 564] close(25) = -1 EBADF (Bad file descriptor) [pid 564] close(26) = -1 EBADF (Bad file descriptor) [pid 564] close(27) = -1 EBADF (Bad file descriptor) [pid 564] close(28) = -1 EBADF (Bad file descriptor) [pid 564] close(29) = -1 EBADF (Bad file descriptor) [pid 564] exit_group(0) = ? [pid 566] <... futex resumed>) = 231 [pid 565] <... futex resumed>) = ? [pid 566] +++ exited with 0 +++ [pid 565] +++ exited with 0 +++ [pid 564] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=274, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 567 attached , child_tidptr=0x55555756f750) = 277 [pid 567] set_robust_list(0x55555756f760, 24) = 0 [pid 567] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 567] setpgid(0, 0) = 0 [pid 567] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 567] write(3, "1000", 4) = 4 [pid 567] close(3) = 0 [pid 567] write(1, "executing program\n", 18executing program ) = 18 [pid 567] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 567] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 567] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 567] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 567] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 567] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 567] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0}./strace-static-x86_64: Process 568 attached => {parent_tid=[278]}, 88) = 278 [pid 568] set_robust_list(0x7f43bf65d9a0, 24 [pid 567] rt_sigprocmask(SIG_SETMASK, [], [pid 568] <... set_robust_list resumed>) = 0 [pid 567] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 568] rt_sigprocmask(SIG_SETMASK, [], [pid 567] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 568] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 567] <... futex resumed>) = 0 [pid 568] memfd_create("syzkaller", 0 [pid 567] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 568] <... memfd_create resumed>) = 3 [pid 568] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 567] <... futex resumed>) = 0 [pid 568] <... mmap resumed>) = 0x7f43b723d000 [pid 567] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43b721c000 [pid 568] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 567] mprotect(0x7f43b721d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 568] <... write resumed>) = 131072 [pid 567] rt_sigprocmask(SIG_BLOCK, ~[], [pid 568] munmap(0x7f43b723d000, 138412032 [pid 567] <... rt_sigprocmask resumed>[], 8) = 0 [pid 567] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43b723c990, parent_tid=0x7f43b723c990, exit_signal=0, stack=0x7f43b721c000, stack_size=0x20240, tls=0x7f43b723c6c0} [pid 568] <... munmap resumed>) = 0 ./strace-static-x86_64: Process 569 attached [pid 569] set_robust_list(0x7f43b723c9a0, 24) = 0 [pid 569] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 569] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 568] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 567] <... clone3 resumed> => {parent_tid=[279]}, 88) = 279 [pid 568] <... openat resumed>) = 4 [pid 567] rt_sigprocmask(SIG_SETMASK, [], [pid 568] ioctl(4, LOOP_SET_FD, 3 [pid 567] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 568] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 568] ioctl(4, LOOP_CLR_FD [pid 567] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000 [pid 568] <... ioctl resumed>) = 0 [pid 567] <... futex resumed>) = 1 [pid 569] <... futex resumed>) = 0 [pid 567] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 569] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 568] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 568] close(4) = 0 [pid 568] close(3) = 0 [pid 568] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 568] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 569] <... openat resumed>) = 5 [pid 569] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 567] <... futex resumed>) = 0 [pid 569] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 567] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 567] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 568] <... futex resumed>) = 0 [pid 568] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 5, 0) = 0x200000000000 [pid 568] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 567] <... futex resumed>) = 0 [pid 567] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 567] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 568] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 568] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 568] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 567] <... futex resumed>) = 0 [pid 567] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 567] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 568] creat(0x200000000040, 000) = 3 [pid 568] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 567] <... futex resumed>) = 0 [pid 567] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 567] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 568] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 568] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 567] <... futex resumed>) = 0 [pid 567] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 567] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 568] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 4 [pid 568] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 568] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 567] <... futex resumed>) = 0 [pid 567] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 567] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 568] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 568] write(4, 0x200000000080, 34136651) = 131072 [pid 568] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 567] <... futex resumed>) = 0 [pid 567] close(3) = 0 [pid 568] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 567] close(4) = 0 [pid 567] close(5) = 0 [pid 567] close(6) = -1 EBADF (Bad file descriptor) [pid 567] close(7) = -1 EBADF (Bad file descriptor) [pid 567] close(8) = -1 EBADF (Bad file descriptor) [pid 567] close(9) = -1 EBADF (Bad file descriptor) [pid 567] close(10) = -1 EBADF (Bad file descriptor) [pid 567] close(11) = -1 EBADF (Bad file descriptor) [pid 567] close(12) = -1 EBADF (Bad file descriptor) [pid 567] close(13) = -1 EBADF (Bad file descriptor) [pid 567] close(14) = -1 EBADF (Bad file descriptor) [pid 567] close(15) = -1 EBADF (Bad file descriptor) [pid 567] close(16) = -1 EBADF (Bad file descriptor) [pid 567] close(17) = -1 EBADF (Bad file descriptor) [pid 567] close(18) = -1 EBADF (Bad file descriptor) [pid 567] close(19) = -1 EBADF (Bad file descriptor) [pid 567] close(20) = -1 EBADF (Bad file descriptor) [pid 567] close(21) = -1 EBADF (Bad file descriptor) [pid 567] close(22) = -1 EBADF (Bad file descriptor) [pid 567] close(23) = -1 EBADF (Bad file descriptor) [pid 567] close(24) = -1 EBADF (Bad file descriptor) [pid 567] close(25) = -1 EBADF (Bad file descriptor) [pid 567] close(26) = -1 EBADF (Bad file descriptor) [pid 567] close(27) = -1 EBADF (Bad file descriptor) [pid 567] close(28) = -1 EBADF (Bad file descriptor) [pid 567] close(29) = -1 EBADF (Bad file descriptor) [pid 567] exit_group(0) = ? [pid 569] <... futex resumed>) = ? [pid 569] +++ exited with 0 +++ [pid 568] <... futex resumed>) = ? [pid 568] +++ exited with 0 +++ [pid 567] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=277, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 570 attached , child_tidptr=0x55555756f750) = 280 [pid 570] set_robust_list(0x55555756f760, 24) = 0 [pid 570] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 570] setpgid(0, 0) = 0 [pid 570] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 570] write(3, "1000", 4) = 4 [pid 570] close(3) = 0 [pid 570] write(1, "executing program\n", 18executing program ) = 18 [pid 570] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 570] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 570] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 570] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 570] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 570] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 570] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0}./strace-static-x86_64: Process 571 attached [pid 571] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 571] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 571] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 570] <... clone3 resumed> => {parent_tid=[281]}, 88) = 281 [pid 570] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 570] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 571] <... futex resumed>) = 0 [pid 571] memfd_create("syzkaller", 0 [pid 570] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 571] <... memfd_create resumed>) = 3 [pid 571] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b723d000 [pid 570] <... futex resumed>) = 0 [pid 570] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43b721c000 [pid 570] mprotect(0x7f43b721d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 570] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 570] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43b723c990, parent_tid=0x7f43b723c990, exit_signal=0, stack=0x7f43b721c000, stack_size=0x20240, tls=0x7f43b723c6c0} [pid 571] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072./strace-static-x86_64: Process 572 attached [pid 570] <... clone3 resumed> => {parent_tid=[282]}, 88) = 282 [pid 570] rt_sigprocmask(SIG_SETMASK, [], [pid 572] set_robust_list(0x7f43b723c9a0, 24 [pid 570] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 570] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 571] <... write resumed>) = 131072 [pid 570] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 571] munmap(0x7f43b723d000, 138412032) = 0 [pid 572] <... set_robust_list resumed>) = 0 [pid 571] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 571] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 571] ioctl(4, LOOP_CLR_FD) = 0 [pid 572] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 572] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 571] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 571] close(4) = 0 [pid 571] close(3) = 0 [pid 571] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 571] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 572] <... openat resumed>) = 5 [pid 572] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 570] <... futex resumed>) = 0 [pid 570] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 570] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 571] <... futex resumed>) = 0 [pid 571] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 5, 0) = 0x200000000000 [pid 572] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 571] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 570] <... futex resumed>) = 0 [pid 570] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 570] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 571] <... futex resumed>) = 1 [pid 571] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 571] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 571] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 570] <... futex resumed>) = 0 [pid 570] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 570] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 571] <... futex resumed>) = 1 [pid 571] creat(0x200000000040, 000) = 3 [pid 571] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 570] <... futex resumed>) = 0 [pid 570] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 570] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 571] <... futex resumed>) = 1 [pid 571] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 571] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 570] <... futex resumed>) = 0 [pid 570] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 570] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 571] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 4 [pid 571] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 570] <... futex resumed>) = 0 [pid 570] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 570] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 571] write(4, 0x200000000080, 34136651) = 131072 [pid 571] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 571] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 570] <... futex resumed>) = 0 [pid 570] close(3) = 0 [pid 570] close(4) = 0 [pid 570] close(5) = 0 [pid 570] close(6) = -1 EBADF (Bad file descriptor) [pid 570] close(7) = -1 EBADF (Bad file descriptor) [pid 570] close(8) = -1 EBADF (Bad file descriptor) [pid 570] close(9) = -1 EBADF (Bad file descriptor) [pid 570] close(10) = -1 EBADF (Bad file descriptor) [pid 570] close(11) = -1 EBADF (Bad file descriptor) [pid 570] close(12) = -1 EBADF (Bad file descriptor) [pid 570] close(13) = -1 EBADF (Bad file descriptor) [pid 570] close(14) = -1 EBADF (Bad file descriptor) [pid 570] close(15) = -1 EBADF (Bad file descriptor) [pid 570] close(16) = -1 EBADF (Bad file descriptor) [pid 570] close(17) = -1 EBADF (Bad file descriptor) [pid 570] close(18) = -1 EBADF (Bad file descriptor) [pid 570] close(19) = -1 EBADF (Bad file descriptor) [pid 570] close(20) = -1 EBADF (Bad file descriptor) [pid 570] close(21) = -1 EBADF (Bad file descriptor) [pid 570] close(22) = -1 EBADF (Bad file descriptor) [pid 570] close(23) = -1 EBADF (Bad file descriptor) [pid 570] close(24) = -1 EBADF (Bad file descriptor) [pid 570] close(25) = -1 EBADF (Bad file descriptor) [pid 570] close(26) = -1 EBADF (Bad file descriptor) [pid 570] close(27) = -1 EBADF (Bad file descriptor) [pid 570] close(28) = -1 EBADF (Bad file descriptor) [pid 570] close(29) = -1 EBADF (Bad file descriptor) [pid 570] exit_group(0) = ? [pid 571] <... futex resumed>) = ? [pid 571] +++ exited with 0 +++ [pid 572] <... futex resumed>) = ? [pid 572] +++ exited with 0 +++ [pid 570] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=280, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756f750) = 283 ./strace-static-x86_64: Process 573 attached [pid 573] set_robust_list(0x55555756f760, 24) = 0 [pid 573] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 573] setpgid(0, 0) = 0 [pid 573] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 573] write(3, "1000", 4) = 4 [pid 573] close(3) = 0 [pid 573] write(1, "executing program\n", 18executing program ) = 18 [pid 573] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 573] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 573] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 573] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 573] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 573] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 573] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0}./strace-static-x86_64: Process 574 attached => {parent_tid=[284]}, 88) = 284 [pid 574] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 574] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 574] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 573] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 573] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 574] <... futex resumed>) = 0 [pid 573] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 574] memfd_create("syzkaller", 0) = 3 [pid 573] <... futex resumed>) = 0 [pid 574] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b723d000 [pid 573] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43b721c000 [pid 573] mprotect(0x7f43b721d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 573] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 573] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43b723c990, parent_tid=0x7f43b723c990, exit_signal=0, stack=0x7f43b721c000, stack_size=0x20240, tls=0x7f43b723c6c0}./strace-static-x86_64: Process 575 attached => {parent_tid=[285]}, 88) = 285 [pid 573] rt_sigprocmask(SIG_SETMASK, [], [pid 575] set_robust_list(0x7f43b723c9a0, 24 [pid 573] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 573] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000 [pid 575] <... set_robust_list resumed>) = 0 [pid 573] <... futex resumed>) = 0 [pid 573] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 575] rt_sigprocmask(SIG_SETMASK, [], [pid 574] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 575] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 575] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 574] <... write resumed>) = 131072 [pid 574] munmap(0x7f43b723d000, 138412032) = 0 [pid 574] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 574] ioctl(5, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 574] ioctl(5, LOOP_CLR_FD) = 0 [pid 574] ioctl(5, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 574] close(5) = 0 [pid 574] close(3) = 0 [pid 574] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 574] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 575] <... openat resumed>) = 4 [pid 575] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 573] <... futex resumed>) = 0 [pid 573] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 573] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 574] <... futex resumed>) = 0 [pid 574] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 4, 0) = 0x200000000000 [pid 574] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 573] <... futex resumed>) = 0 [pid 573] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 573] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 574] <... futex resumed>) = 1 [pid 575] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 574] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 574] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 574] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 573] <... futex resumed>) = 0 [pid 573] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 573] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 574] <... futex resumed>) = 1 [pid 574] creat(0x200000000040, 000) = 3 [pid 574] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 573] <... futex resumed>) = 0 [pid 573] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 573] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 574] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 574] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 573] <... futex resumed>) = 0 [pid 573] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 573] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 574] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 574] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 573] <... futex resumed>) = 0 [pid 573] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 573] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 574] write(5, 0x200000000080, 34136651) = 131072 [pid 574] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 573] <... futex resumed>) = 0 [pid 573] close(3) = 0 [pid 573] close(4) = 0 [pid 573] close(5) = 0 [pid 573] close(6) = -1 EBADF (Bad file descriptor) [pid 573] close(7) = -1 EBADF (Bad file descriptor) [pid 573] close(8) = -1 EBADF (Bad file descriptor) [pid 573] close(9) = -1 EBADF (Bad file descriptor) [pid 573] close(10) = -1 EBADF (Bad file descriptor) [pid 573] close(11) = -1 EBADF (Bad file descriptor) [pid 573] close(12) = -1 EBADF (Bad file descriptor) [pid 573] close(13) = -1 EBADF (Bad file descriptor) [pid 573] close(14) = -1 EBADF (Bad file descriptor) [pid 573] close(15) = -1 EBADF (Bad file descriptor) [pid 573] close(16) = -1 EBADF (Bad file descriptor) [pid 573] close(17) = -1 EBADF (Bad file descriptor) [pid 573] close(18) = -1 EBADF (Bad file descriptor) [pid 573] close(19) = -1 EBADF (Bad file descriptor) [pid 573] close(20) = -1 EBADF (Bad file descriptor) [pid 573] close(21) = -1 EBADF (Bad file descriptor) [pid 573] close(22) = -1 EBADF (Bad file descriptor) [pid 573] close(23) = -1 EBADF (Bad file descriptor) [pid 573] close(24) = -1 EBADF (Bad file descriptor) [pid 573] close(25) = -1 EBADF (Bad file descriptor) [pid 573] close(26) = -1 EBADF (Bad file descriptor) [pid 573] close(27) = -1 EBADF (Bad file descriptor) [pid 573] close(28) = -1 EBADF (Bad file descriptor) [pid 573] close(29) = -1 EBADF (Bad file descriptor) [pid 573] exit_group(0) = ? [pid 575] <... futex resumed>) = ? [pid 575] +++ exited with 0 +++ [pid 574] +++ exited with 0 +++ [pid 573] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=283, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 576 attached , child_tidptr=0x55555756f750) = 286 [pid 576] set_robust_list(0x55555756f760, 24) = 0 [pid 576] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 576] setpgid(0, 0) = 0 [pid 576] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 576] write(3, "1000", 4) = 4 [pid 576] close(3) = 0 [pid 576] write(1, "executing program\n", 18executing program ) = 18 [pid 576] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 576] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 576] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 576] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 576] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 576] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 576] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0}./strace-static-x86_64: Process 577 attached => {parent_tid=[287]}, 88) = 287 [pid 577] set_robust_list(0x7f43bf65d9a0, 24 [pid 576] rt_sigprocmask(SIG_SETMASK, [], [pid 577] <... set_robust_list resumed>) = 0 [pid 577] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 577] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 576] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 576] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 577] <... futex resumed>) = 0 [pid 576] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 577] memfd_create("syzkaller", 0) = 3 [pid 577] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b723d000 [pid 576] <... futex resumed>) = 0 [pid 576] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43b721c000 [pid 576] mprotect(0x7f43b721d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 576] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 576] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43b723c990, parent_tid=0x7f43b723c990, exit_signal=0, stack=0x7f43b721c000, stack_size=0x20240, tls=0x7f43b723c6c0}./strace-static-x86_64: Process 578 attached => {parent_tid=[288]}, 88) = 288 [pid 578] set_robust_list(0x7f43b723c9a0, 24 [pid 576] rt_sigprocmask(SIG_SETMASK, [], [pid 578] <... set_robust_list resumed>) = 0 [pid 577] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 578] rt_sigprocmask(SIG_SETMASK, [], [pid 576] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 576] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000 [pid 578] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 576] <... futex resumed>) = 0 [pid 578] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 576] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 577] <... write resumed>) = 131072 [pid 577] munmap(0x7f43b723d000, 138412032) = 0 [pid 577] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 577] ioctl(5, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 577] ioctl(5, LOOP_CLR_FD) = 0 [pid 577] ioctl(5, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 577] close(5) = 0 [pid 577] close(3) = 0 [pid 577] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 577] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 578] <... openat resumed>) = 4 [pid 578] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 576] <... futex resumed>) = 0 [pid 576] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 576] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 577] <... futex resumed>) = 0 [pid 577] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 4, 0) = 0x200000000000 [pid 578] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 577] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 576] <... futex resumed>) = 0 [pid 576] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 576] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 577] <... futex resumed>) = 1 [pid 577] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 577] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 577] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 576] <... futex resumed>) = 0 [pid 576] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 576] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 577] <... futex resumed>) = 1 [pid 577] creat(0x200000000040, 000) = 3 [pid 577] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 576] <... futex resumed>) = 0 [pid 576] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 576] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 577] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 577] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 576] <... futex resumed>) = 0 [pid 576] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 576] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 577] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 577] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 576] <... futex resumed>) = 0 [pid 576] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 576] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 577] write(5, 0x200000000080, 34136651) = 131072 [pid 577] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 576] <... futex resumed>) = 0 [pid 576] close(3) = 0 [pid 576] close(4) = 0 [pid 576] close(5) = 0 [pid 576] close(6) = -1 EBADF (Bad file descriptor) [pid 576] close(7) = -1 EBADF (Bad file descriptor) [pid 576] close(8) = -1 EBADF (Bad file descriptor) [pid 576] close(9) = -1 EBADF (Bad file descriptor) [pid 576] close(10) = -1 EBADF (Bad file descriptor) [pid 576] close(11) = -1 EBADF (Bad file descriptor) [pid 576] close(12) = -1 EBADF (Bad file descriptor) [pid 576] close(13) = -1 EBADF (Bad file descriptor) [pid 576] close(14) = -1 EBADF (Bad file descriptor) [pid 576] close(15) = -1 EBADF (Bad file descriptor) [pid 576] close(16) = -1 EBADF (Bad file descriptor) [pid 576] close(17) = -1 EBADF (Bad file descriptor) [pid 576] close(18) = -1 EBADF (Bad file descriptor) [pid 576] close(19) = -1 EBADF (Bad file descriptor) [pid 576] close(20) = -1 EBADF (Bad file descriptor) [pid 576] close(21) = -1 EBADF (Bad file descriptor) [pid 576] close(22) = -1 EBADF (Bad file descriptor) [pid 576] close(23) = -1 EBADF (Bad file descriptor) [pid 576] close(24) = -1 EBADF (Bad file descriptor) [pid 576] close(25) = -1 EBADF (Bad file descriptor) [pid 576] close(26) = -1 EBADF (Bad file descriptor) [pid 576] close(27) = -1 EBADF (Bad file descriptor) [pid 576] close(28) = -1 EBADF (Bad file descriptor) [pid 576] close(29) = -1 EBADF (Bad file descriptor) [pid 576] exit_group(0) = ? [pid 578] <... futex resumed>) = ? [pid 578] +++ exited with 0 +++ [pid 577] +++ exited with 0 +++ [pid 576] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=286, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 579 attached , child_tidptr=0x55555756f750) = 289 [pid 579] set_robust_list(0x55555756f760, 24) = 0 [pid 579] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 579] setpgid(0, 0) = 0 [pid 579] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 579] write(3, "1000", 4) = 4 [pid 579] close(3) = 0 [pid 579] write(1, "executing program\n", 18executing program ) = 18 [pid 579] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 579] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 579] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 579] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 579] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 579] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 579] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0}./strace-static-x86_64: Process 580 attached => {parent_tid=[290]}, 88) = 290 [pid 580] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 580] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 580] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 579] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 579] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 580] <... futex resumed>) = 0 [pid 579] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 580] memfd_create("syzkaller", 0 [pid 579] <... futex resumed>) = 0 [pid 580] <... memfd_create resumed>) = 3 [pid 580] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 579] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 580] <... mmap resumed>) = 0x7f43b723d000 [pid 579] <... mmap resumed>) = 0x7f43b721c000 [pid 579] mprotect(0x7f43b721d000, 131072, PROT_READ|PROT_WRITE [pid 580] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 579] <... mprotect resumed>) = 0 [pid 580] <... write resumed>) = 131072 [pid 580] munmap(0x7f43b723d000, 138412032 [pid 579] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 580] <... munmap resumed>) = 0 [pid 580] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 579] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43b723c990, parent_tid=0x7f43b723c990, exit_signal=0, stack=0x7f43b721c000, stack_size=0x20240, tls=0x7f43b723c6c0}./strace-static-x86_64: Process 581 attached [pid 580] <... openat resumed>) = 4 [pid 581] set_robust_list(0x7f43b723c9a0, 24) = 0 [pid 581] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 581] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 580] ioctl(4, LOOP_SET_FD, 3 [pid 579] <... clone3 resumed> => {parent_tid=[291]}, 88) = 291 [pid 580] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 579] rt_sigprocmask(SIG_SETMASK, [], [pid 580] ioctl(4, LOOP_CLR_FD [pid 579] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 580] <... ioctl resumed>) = 0 [pid 579] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 581] <... futex resumed>) = 0 [pid 579] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 581] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 580] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 580] close(4) = 0 [pid 580] close(3) = 0 [pid 580] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 580] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 581] <... openat resumed>) = 5 [pid 581] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 579] <... futex resumed>) = 0 [pid 579] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 579] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 580] <... futex resumed>) = 0 [pid 580] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 5, 0 [pid 581] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 580] <... mmap resumed>) = 0x200000000000 [pid 580] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 579] <... futex resumed>) = 0 [pid 579] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 579] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 580] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 580] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 580] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 579] <... futex resumed>) = 0 [pid 579] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 579] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 580] creat(0x200000000040, 000) = 3 [pid 580] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 579] <... futex resumed>) = 0 [pid 579] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 579] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 580] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 580] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 580] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 579] <... futex resumed>) = 0 [pid 579] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 579] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 580] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 580] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 4 [pid 580] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 579] <... futex resumed>) = 0 [pid 580] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 579] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 579] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 580] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 580] write(4, 0x200000000080, 34136651) = 131072 [pid 580] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 579] <... futex resumed>) = 0 [pid 579] close(3) = 0 [pid 579] close(4) = 0 [pid 579] close(5) = 0 [pid 579] close(6) = -1 EBADF (Bad file descriptor) [pid 579] close(7) = -1 EBADF (Bad file descriptor) [pid 579] close(8) = -1 EBADF (Bad file descriptor) [pid 579] close(9) = -1 EBADF (Bad file descriptor) [pid 579] close(10) = -1 EBADF (Bad file descriptor) [pid 579] close(11) = -1 EBADF (Bad file descriptor) [pid 579] close(12) = -1 EBADF (Bad file descriptor) [pid 579] close(13) = -1 EBADF (Bad file descriptor) [pid 579] close(14) = -1 EBADF (Bad file descriptor) [pid 579] close(15) = -1 EBADF (Bad file descriptor) [pid 579] close(16) = -1 EBADF (Bad file descriptor) [pid 579] close(17) = -1 EBADF (Bad file descriptor) [pid 579] close(18 [pid 580] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 579] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 579] close(19) = -1 EBADF (Bad file descriptor) [pid 579] close(20) = -1 EBADF (Bad file descriptor) [pid 579] close(21) = -1 EBADF (Bad file descriptor) [pid 579] close(22) = -1 EBADF (Bad file descriptor) [pid 579] close(23) = -1 EBADF (Bad file descriptor) [pid 579] close(24) = -1 EBADF (Bad file descriptor) [pid 579] close(25) = -1 EBADF (Bad file descriptor) [pid 579] close(26) = -1 EBADF (Bad file descriptor) [pid 579] close(27) = -1 EBADF (Bad file descriptor) [pid 579] close(28) = -1 EBADF (Bad file descriptor) [pid 579] close(29) = -1 EBADF (Bad file descriptor) [pid 579] exit_group(0 [pid 580] <... futex resumed>) = ? [pid 579] <... exit_group resumed>) = ? [pid 580] +++ exited with 0 +++ [pid 581] <... futex resumed>) = ? [pid 581] +++ exited with 0 +++ [pid 579] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=289, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 582 attached , child_tidptr=0x55555756f750) = 292 [pid 582] set_robust_list(0x55555756f760, 24) = 0 [pid 582] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 582] setpgid(0, 0) = 0 [pid 582] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 582] write(3, "1000", 4) = 4 [pid 582] close(3) = 0 [pid 582] write(1, "executing program\n", 18executing program ) = 18 [pid 582] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 582] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 582] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 582] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 582] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 582] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 582] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0}./strace-static-x86_64: Process 583 attached [pid 583] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 583] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 583] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 582] <... clone3 resumed> => {parent_tid=[293]}, 88) = 293 [pid 582] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 582] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 582] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 582] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf61c000 [pid 582] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 582] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 582] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0} => {parent_tid=[294]}, 88) = 294 [pid 582] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 582] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 582] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 583] <... futex resumed>) = 0 [pid 583] memfd_create("syzkaller", 0) = 3 [pid 583] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b721c000 ./strace-static-x86_64: Process 584 attached [pid 583] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 584] set_robust_list(0x7f43bf63c9a0, 24 [pid 583] <... write resumed>) = 131072 [pid 583] munmap(0x7f43b721c000, 138412032 [pid 584] <... set_robust_list resumed>) = 0 [pid 584] rt_sigprocmask(SIG_SETMASK, [], [pid 583] <... munmap resumed>) = 0 [pid 584] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 583] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 584] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 583] <... openat resumed>) = 4 [pid 583] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 583] ioctl(4, LOOP_CLR_FD) = 0 [pid 583] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 583] close(4) = 0 [pid 583] close(3) = 0 [pid 583] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 583] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 584] <... openat resumed>) = 5 [pid 584] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 582] <... futex resumed>) = 0 [pid 582] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 583] <... futex resumed>) = 0 [pid 582] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 583] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 5, 0 [pid 584] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 583] <... mmap resumed>) = 0x200000000000 [pid 583] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 582] <... futex resumed>) = 0 [pid 583] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 582] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 583] mkdirat(AT_FDCWD, 0x200000000280, 0117 [pid 582] <... futex resumed>) = 0 [pid 583] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 582] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 583] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 582] <... futex resumed>) = 0 [pid 583] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 582] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 583] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 582] <... futex resumed>) = 0 [pid 583] creat(0x200000000040, 000 [pid 582] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 583] <... creat resumed>) = 3 [pid 583] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 582] <... futex resumed>) = 0 [pid 582] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 582] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 583] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 583] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 582] <... futex resumed>) = 0 [pid 583] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 582] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 582] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 583] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 583] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 4 [pid 583] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 582] <... futex resumed>) = 0 [pid 582] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 582] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 583] write(4, 0x200000000080, 34136651) = 131072 [pid 583] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 582] <... futex resumed>) = 0 [pid 582] close(3) = 0 [pid 582] close(4) = 0 [pid 582] close(5) = 0 [pid 582] close(6) = -1 EBADF (Bad file descriptor) [pid 582] close(7) = -1 EBADF (Bad file descriptor) [pid 582] close(8) = -1 EBADF (Bad file descriptor) [pid 582] close(9) = -1 EBADF (Bad file descriptor) [pid 582] close(10) = -1 EBADF (Bad file descriptor) [pid 582] close(11) = -1 EBADF (Bad file descriptor) [pid 582] close(12) = -1 EBADF (Bad file descriptor) [pid 582] close(13) = -1 EBADF (Bad file descriptor) [pid 582] close(14) = -1 EBADF (Bad file descriptor) [pid 582] close(15) = -1 EBADF (Bad file descriptor) [pid 582] close(16) = -1 EBADF (Bad file descriptor) [pid 582] close(17) = -1 EBADF (Bad file descriptor) [pid 582] close(18) = -1 EBADF (Bad file descriptor) [pid 582] close(19) = -1 EBADF (Bad file descriptor) [pid 582] close(20) = -1 EBADF (Bad file descriptor) [pid 582] close(21) = -1 EBADF (Bad file descriptor) [pid 582] close(22) = -1 EBADF (Bad file descriptor) [pid 582] close(23) = -1 EBADF (Bad file descriptor) [pid 582] close(24) = -1 EBADF (Bad file descriptor) [pid 582] close(25) = -1 EBADF (Bad file descriptor) [pid 582] close(26) = -1 EBADF (Bad file descriptor) [pid 582] close(27) = -1 EBADF (Bad file descriptor) [pid 582] close(28) = -1 EBADF (Bad file descriptor) [pid 582] close(29) = -1 EBADF (Bad file descriptor) [pid 582] exit_group(0 [pid 584] <... futex resumed>) = ? [pid 582] <... exit_group resumed>) = ? [pid 584] +++ exited with 0 +++ [pid 583] +++ exited with 0 +++ [pid 582] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=292, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 585 attached , child_tidptr=0x55555756f750) = 295 [pid 585] set_robust_list(0x55555756f760, 24) = 0 [pid 585] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 585] setpgid(0, 0) = 0 [pid 585] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 585] write(3, "1000", 4) = 4 [pid 585] close(3) = 0 [pid 585] write(1, "executing program\n", 18executing program ) = 18 [pid 585] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 585] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 585] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 585] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 585] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 585] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 585] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0}./strace-static-x86_64: Process 586 attached [pid 586] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 586] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 586] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 585] <... clone3 resumed> => {parent_tid=[296]}, 88) = 296 [pid 585] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 585] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 586] <... futex resumed>) = 0 [pid 585] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 586] memfd_create("syzkaller", 0 [pid 585] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 586] <... memfd_create resumed>) = 3 [pid 585] <... mmap resumed>) = 0x7f43bf61c000 [pid 586] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b721c000 [pid 585] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 585] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 585] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0}./strace-static-x86_64: Process 587 attached => {parent_tid=[297]}, 88) = 297 [pid 587] set_robust_list(0x7f43bf63c9a0, 24 [pid 585] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 587] <... set_robust_list resumed>) = 0 [pid 585] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 587] rt_sigprocmask(SIG_SETMASK, [], [pid 585] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 587] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 587] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 586] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 586] munmap(0x7f43b721c000, 138412032) = 0 [pid 586] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 586] ioctl(5, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 586] ioctl(5, LOOP_CLR_FD) = 0 [pid 586] ioctl(5, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 586] close(5) = 0 [pid 586] close(3) = 0 [pid 586] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 586] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 587] <... openat resumed>) = 4 [pid 587] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 585] <... futex resumed>) = 0 [pid 585] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 585] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 586] <... futex resumed>) = 0 [pid 586] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 4, 0 [pid 587] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 586] <... mmap resumed>) = 0x200000000000 [pid 586] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 585] <... futex resumed>) = 0 [pid 585] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 585] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 586] <... futex resumed>) = 1 [pid 586] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 586] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 586] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 585] <... futex resumed>) = 0 [pid 585] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 585] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 586] creat(0x200000000040, 000) = 3 [pid 586] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 585] <... futex resumed>) = 0 [pid 585] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 586] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL [pid 585] <... futex resumed>) = 0 [pid 585] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 586] <... mount resumed>) = 0 [pid 586] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 585] <... futex resumed>) = 0 [pid 585] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 585] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 586] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 586] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 585] <... futex resumed>) = 0 [pid 585] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 585] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 586] write(5, 0x200000000080, 34136651) = 131072 [pid 586] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 585] <... futex resumed>) = 0 [pid 585] close(3) = 0 [pid 585] close(4) = 0 [pid 585] close(5) = 0 [pid 585] close(6) = -1 EBADF (Bad file descriptor) [pid 585] close(7) = -1 EBADF (Bad file descriptor) [pid 585] close(8) = -1 EBADF (Bad file descriptor) [pid 585] close(9) = -1 EBADF (Bad file descriptor) [pid 585] close(10) = -1 EBADF (Bad file descriptor) [pid 585] close(11) = -1 EBADF (Bad file descriptor) [pid 585] close(12) = -1 EBADF (Bad file descriptor) [pid 585] close(13) = -1 EBADF (Bad file descriptor) [pid 585] close(14) = -1 EBADF (Bad file descriptor) [pid 585] close(15) = -1 EBADF (Bad file descriptor) [pid 585] close(16) = -1 EBADF (Bad file descriptor) [pid 585] close(17) = -1 EBADF (Bad file descriptor) [pid 585] close(18) = -1 EBADF (Bad file descriptor) [pid 585] close(19) = -1 EBADF (Bad file descriptor) [pid 585] close(20) = -1 EBADF (Bad file descriptor) [pid 585] close(21) = -1 EBADF (Bad file descriptor) [pid 585] close(22) = -1 EBADF (Bad file descriptor) [pid 585] close(23) = -1 EBADF (Bad file descriptor) [pid 585] close(24) = -1 EBADF (Bad file descriptor) [pid 585] close(25) = -1 EBADF (Bad file descriptor) [pid 585] close(26) = -1 EBADF (Bad file descriptor) [pid 585] close(27) = -1 EBADF (Bad file descriptor) [pid 585] close(28) = -1 EBADF (Bad file descriptor) [pid 585] close(29) = -1 EBADF (Bad file descriptor) [pid 585] exit_group(0) = ? [pid 587] <... futex resumed>) = ? [pid 587] +++ exited with 0 +++ [pid 586] +++ exited with 0 +++ [pid 585] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=295, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756f750) = 298 ./strace-static-x86_64: Process 588 attached [pid 588] set_robust_list(0x55555756f760, 24) = 0 [pid 588] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 588] setpgid(0, 0) = 0 [pid 588] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 588] write(3, "1000", 4) = 4 [pid 588] close(3) = 0 [pid 588] write(1, "executing program\n", 18executing program ) = 18 [pid 588] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 588] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 588] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 588] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 588] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 588] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 588] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0}./strace-static-x86_64: Process 589 attached => {parent_tid=[299]}, 88) = 299 [pid 589] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 589] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 589] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 588] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 588] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 589] <... futex resumed>) = 0 [pid 589] memfd_create("syzkaller", 0) = 3 [pid 589] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b723d000 [pid 588] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 588] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43b721c000 [pid 588] mprotect(0x7f43b721d000, 131072, PROT_READ|PROT_WRITE [pid 589] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 588] <... mprotect resumed>) = 0 [pid 588] rt_sigprocmask(SIG_BLOCK, ~[], [pid 589] <... write resumed>) = 131072 [pid 589] munmap(0x7f43b723d000, 138412032 [pid 588] <... rt_sigprocmask resumed>[], 8) = 0 [pid 588] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43b723c990, parent_tid=0x7f43b723c990, exit_signal=0, stack=0x7f43b721c000, stack_size=0x20240, tls=0x7f43b723c6c0} [pid 589] <... munmap resumed>) = 0 [pid 589] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 589] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 589] ioctl(4, LOOP_CLR_FD) = 0 ./strace-static-x86_64: Process 590 attached [pid 588] <... clone3 resumed> => {parent_tid=[300]}, 88) = 300 [pid 590] set_robust_list(0x7f43b723c9a0, 24 [pid 588] rt_sigprocmask(SIG_SETMASK, [], [pid 590] <... set_robust_list resumed>) = 0 [pid 588] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 590] rt_sigprocmask(SIG_SETMASK, [], [pid 588] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000 [pid 590] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 588] <... futex resumed>) = 0 [pid 589] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 589] close(4) = 0 [pid 589] close(3) = 0 [pid 589] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 589] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 590] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 588] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 590] <... openat resumed>) = 3 [pid 590] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 588] <... futex resumed>) = 0 [pid 588] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 588] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 590] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 589] <... futex resumed>) = 0 [pid 589] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 589] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 588] <... futex resumed>) = 0 [pid 588] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 588] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 589] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 589] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 589] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 589] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 588] <... futex resumed>) = 0 [pid 588] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 589] <... futex resumed>) = 0 [pid 588] <... futex resumed>) = 1 [pid 588] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 589] creat(0x200000000040, 000) = 4 [pid 589] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 589] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 588] <... futex resumed>) = 0 [pid 588] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 589] <... futex resumed>) = 0 [pid 588] <... futex resumed>) = 1 [pid 589] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL [pid 588] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 589] <... mount resumed>) = 0 [pid 589] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 588] <... futex resumed>) = 0 [pid 589] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 588] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 589] <... futex resumed>) = 0 [pid 589] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c [pid 588] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 589] <... open resumed>) = 5 [pid 589] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 589] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 588] <... futex resumed>) = 0 [pid 588] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 589] <... futex resumed>) = 0 [pid 588] <... futex resumed>) = 1 [pid 589] write(5, 0x200000000080, 34136651 [pid 588] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 589] <... write resumed>) = 131072 [pid 589] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 588] <... futex resumed>) = 0 [pid 588] close(3) = 0 [pid 588] close(4) = 0 [pid 588] close(5) = 0 [pid 588] close(6) = -1 EBADF (Bad file descriptor) [pid 588] close(7) = -1 EBADF (Bad file descriptor) [pid 588] close(8) = -1 EBADF (Bad file descriptor) [pid 588] close(9 [pid 589] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 588] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 588] close(10) = -1 EBADF (Bad file descriptor) [pid 588] close(11) = -1 EBADF (Bad file descriptor) [pid 588] close(12) = -1 EBADF (Bad file descriptor) [pid 588] close(13) = -1 EBADF (Bad file descriptor) [pid 588] close(14) = -1 EBADF (Bad file descriptor) [pid 588] close(15) = -1 EBADF (Bad file descriptor) [pid 588] close(16) = -1 EBADF (Bad file descriptor) [pid 588] close(17) = -1 EBADF (Bad file descriptor) [pid 588] close(18) = -1 EBADF (Bad file descriptor) [pid 588] close(19) = -1 EBADF (Bad file descriptor) [pid 588] close(20) = -1 EBADF (Bad file descriptor) [pid 588] close(21) = -1 EBADF (Bad file descriptor) [pid 588] close(22) = -1 EBADF (Bad file descriptor) [pid 588] close(23) = -1 EBADF (Bad file descriptor) [pid 588] close(24) = -1 EBADF (Bad file descriptor) [pid 588] close(25) = -1 EBADF (Bad file descriptor) [pid 588] close(26) = -1 EBADF (Bad file descriptor) [pid 588] close(27) = -1 EBADF (Bad file descriptor) [pid 588] close(28) = -1 EBADF (Bad file descriptor) [pid 588] close(29) = -1 EBADF (Bad file descriptor) [pid 588] exit_group(0 [pid 589] <... futex resumed>) = ? [pid 588] <... exit_group resumed>) = ? [pid 589] +++ exited with 0 +++ [pid 590] <... futex resumed>) = ? [pid 590] +++ exited with 0 +++ [pid 588] +++ exited with 0 +++ executing program [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=298, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 591 attached , child_tidptr=0x55555756f750) = 301 [pid 591] set_robust_list(0x55555756f760, 24) = 0 [pid 591] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 591] setpgid(0, 0) = 0 [pid 591] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 591] write(3, "1000", 4) = 4 [pid 591] close(3) = 0 [pid 591] write(1, "executing program\n", 18) = 18 [pid 591] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 591] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 591] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 591] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 591] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 591] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 591] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0}./strace-static-x86_64: Process 592 attached [pid 592] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 592] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 592] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 591] <... clone3 resumed> => {parent_tid=[302]}, 88) = 302 [pid 591] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 591] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 592] <... futex resumed>) = 0 [pid 591] <... futex resumed>) = 1 [pid 592] memfd_create("syzkaller", 0 [pid 591] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 592] <... memfd_create resumed>) = 3 [pid 592] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b723d000 [pid 591] <... futex resumed>) = 0 [pid 591] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43b721c000 [pid 591] mprotect(0x7f43b721d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 591] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 591] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43b723c990, parent_tid=0x7f43b723c990, exit_signal=0, stack=0x7f43b721c000, stack_size=0x20240, tls=0x7f43b723c6c0}./strace-static-x86_64: Process 593 attached => {parent_tid=[303]}, 88) = 303 [pid 593] set_robust_list(0x7f43b723c9a0, 24 [pid 591] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 591] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 591] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 593] <... set_robust_list resumed>) = 0 [pid 593] rt_sigprocmask(SIG_SETMASK, [], [pid 592] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 593] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 593] openat(AT_FDCWD, "/selinux/policy", O_RDONLY) = 4 [pid 593] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 592] <... write resumed>) = 131072 [pid 593] <... futex resumed>) = 1 [pid 592] munmap(0x7f43b723d000, 138412032 [pid 591] <... futex resumed>) = 0 [pid 591] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 593] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 4, 0 [pid 592] <... munmap resumed>) = 0 [pid 591] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 592] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 593] <... mmap resumed>) = 0x200000000000 [pid 593] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 592] <... openat resumed>) = 5 [pid 593] <... futex resumed>) = 1 [pid 592] ioctl(5, LOOP_SET_FD, 3 [pid 591] <... futex resumed>) = 0 [pid 592] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 591] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000 [pid 592] ioctl(5, LOOP_CLR_FD [pid 591] <... futex resumed>) = 0 [pid 593] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 592] <... ioctl resumed>) = 0 [pid 591] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 593] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 593] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 591] <... futex resumed>) = 0 [pid 591] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 591] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 593] creat(0x200000000040, 000) = 6 [pid 593] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 591] <... futex resumed>) = 0 [pid 591] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 591] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 593] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 592] ioctl(5, LOOP_SET_FD, 3 [pid 593] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 592] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 593] <... futex resumed>) = 1 [pid 592] close(5 [pid 591] <... futex resumed>) = 0 [pid 591] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 591] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 593] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c [pid 592] <... close resumed>) = 0 [pid 592] close(3 [pid 593] <... open resumed>) = 5 [pid 592] <... close resumed>) = 0 [pid 593] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 592] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 593] <... futex resumed>) = 1 [pid 592] <... futex resumed>) = 0 [pid 591] <... futex resumed>) = 0 [pid 591] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 591] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 593] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 592] write(5, 0x200000000080, 34136651) = 131072 [pid 592] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 591] <... futex resumed>) = 0 [pid 591] close(3) = -1 EBADF (Bad file descriptor) [pid 591] close(4) = 0 [pid 591] close(5) = 0 [pid 591] close(6) = 0 [pid 591] close(7) = -1 EBADF (Bad file descriptor) [pid 591] close(8) = -1 EBADF (Bad file descriptor) [pid 591] close(9) = -1 EBADF (Bad file descriptor) [pid 591] close(10) = -1 EBADF (Bad file descriptor) [pid 591] close(11) = -1 EBADF (Bad file descriptor) [pid 591] close(12) = -1 EBADF (Bad file descriptor) [pid 591] close(13) = -1 EBADF (Bad file descriptor) [pid 591] close(14) = -1 EBADF (Bad file descriptor) [pid 591] close(15) = -1 EBADF (Bad file descriptor) [pid 592] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 591] close(16) = -1 EBADF (Bad file descriptor) [pid 591] close(17) = -1 EBADF (Bad file descriptor) [pid 591] close(18) = -1 EBADF (Bad file descriptor) [pid 591] close(19) = -1 EBADF (Bad file descriptor) [pid 591] close(20) = -1 EBADF (Bad file descriptor) [pid 591] close(21) = -1 EBADF (Bad file descriptor) [pid 591] close(22) = -1 EBADF (Bad file descriptor) [pid 591] close(23) = -1 EBADF (Bad file descriptor) [pid 591] close(24) = -1 EBADF (Bad file descriptor) [pid 591] close(25) = -1 EBADF (Bad file descriptor) [pid 591] close(26) = -1 EBADF (Bad file descriptor) [pid 591] close(27) = -1 EBADF (Bad file descriptor) [pid 591] close(28) = -1 EBADF (Bad file descriptor) [pid 591] close(29) = -1 EBADF (Bad file descriptor) [pid 591] exit_group(0 [pid 593] <... futex resumed>) = ? [pid 591] <... exit_group resumed>) = ? [pid 593] +++ exited with 0 +++ [pid 592] <... futex resumed>) = ? [pid 592] +++ exited with 0 +++ [pid 591] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=301, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>executing program ) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 594 attached , child_tidptr=0x55555756f750) = 304 [pid 594] set_robust_list(0x55555756f760, 24) = 0 [pid 594] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 594] setpgid(0, 0) = 0 [pid 594] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 594] write(3, "1000", 4) = 4 [pid 594] close(3) = 0 [pid 594] write(1, "executing program\n", 18) = 18 [pid 594] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 594] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 594] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 594] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 594] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 594] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 594] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0}./strace-static-x86_64: Process 595 attached [pid 595] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 595] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 595] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 594] <... clone3 resumed> => {parent_tid=[305]}, 88) = 305 [pid 594] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 594] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 595] <... futex resumed>) = 0 [pid 594] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 594] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 595] memfd_create("syzkaller", 0 [pid 594] <... mmap resumed>) = 0x7f43bf61c000 [pid 595] <... memfd_create resumed>) = 3 [pid 595] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b721c000 [pid 594] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 594] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 594] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0}./strace-static-x86_64: Process 596 attached => {parent_tid=[306]}, 88) = 306 [pid 596] set_robust_list(0x7f43bf63c9a0, 24 [pid 594] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 596] <... set_robust_list resumed>) = 0 [pid 594] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 596] rt_sigprocmask(SIG_SETMASK, [], [pid 594] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 596] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 596] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 595] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 595] munmap(0x7f43b721c000, 138412032) = 0 [pid 595] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 595] ioctl(5, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 595] ioctl(5, LOOP_CLR_FD) = 0 [pid 595] ioctl(5, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 595] close(5) = 0 [pid 595] close(3) = 0 [pid 595] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 595] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 596] <... openat resumed>) = 4 [pid 596] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 594] <... futex resumed>) = 0 [pid 594] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 596] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 594] <... futex resumed>) = 1 [pid 595] <... futex resumed>) = 0 [pid 595] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 4, 0) = 0x200000000000 [pid 594] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 595] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 595] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 594] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 594] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 594] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 595] <... futex resumed>) = 0 [pid 595] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 595] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 595] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 595] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 594] <... futex resumed>) = 0 [pid 594] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 595] <... futex resumed>) = 0 [pid 594] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 595] creat(0x200000000040, 000) = 3 [pid 595] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 594] <... futex resumed>) = 0 [pid 594] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 594] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 595] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 595] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 594] <... futex resumed>) = 0 [pid 594] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 594] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 595] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 595] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 594] <... futex resumed>) = 0 [pid 594] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 594] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 595] write(5, 0x200000000080, 34136651) = 131072 [pid 595] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 594] <... futex resumed>) = 0 [pid 594] close(3) = 0 [pid 594] close(4) = 0 [pid 594] close(5) = 0 [pid 594] close(6) = -1 EBADF (Bad file descriptor) [pid 594] close(7) = -1 EBADF (Bad file descriptor) [pid 594] close(8) = -1 EBADF (Bad file descriptor) [pid 594] close(9) = -1 EBADF (Bad file descriptor) [pid 594] close(10) = -1 EBADF (Bad file descriptor) [pid 594] close(11) = -1 EBADF (Bad file descriptor) [pid 594] close(12) = -1 EBADF (Bad file descriptor) [pid 594] close(13) = -1 EBADF (Bad file descriptor) [pid 594] close(14) = -1 EBADF (Bad file descriptor) [pid 594] close(15) = -1 EBADF (Bad file descriptor) [pid 594] close(16) = -1 EBADF (Bad file descriptor) [pid 594] close(17) = -1 EBADF (Bad file descriptor) [pid 594] close(18) = -1 EBADF (Bad file descriptor) [pid 594] close(19) = -1 EBADF (Bad file descriptor) [pid 594] close(20) = -1 EBADF (Bad file descriptor) [pid 594] close(21) = -1 EBADF (Bad file descriptor) [pid 594] close(22) = -1 EBADF (Bad file descriptor) [pid 594] close(23) = -1 EBADF (Bad file descriptor) [pid 594] close(24) = -1 EBADF (Bad file descriptor) [pid 594] close(25) = -1 EBADF (Bad file descriptor) [pid 594] close(26) = -1 EBADF (Bad file descriptor) [pid 594] close(27) = -1 EBADF (Bad file descriptor) [pid 594] close(28) = -1 EBADF (Bad file descriptor) [pid 594] close(29) = -1 EBADF (Bad file descriptor) [pid 594] exit_group(0) = ? [pid 596] <... futex resumed>) = ? [pid 596] +++ exited with 0 +++ [pid 595] +++ exited with 0 +++ [pid 594] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=304, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 597 attached [pid 597] set_robust_list(0x55555756f760, 24) = 0 [pid 289] <... clone resumed>, child_tidptr=0x55555756f750) = 307 [pid 597] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 597] setpgid(0, 0) = 0 [pid 597] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 597] write(3, "1000", 4) = 4 [pid 597] close(3executing program ) = 0 [pid 597] write(1, "executing program\n", 18) = 18 [pid 597] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 597] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 597] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 597] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 597] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 597] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 597] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0}./strace-static-x86_64: Process 598 attached => {parent_tid=[308]}, 88) = 308 [pid 598] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 598] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 598] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 597] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 597] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 598] <... futex resumed>) = 0 [pid 597] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 598] memfd_create("syzkaller", 0 [pid 597] <... futex resumed>) = 0 [pid 598] <... memfd_create resumed>) = 3 [pid 598] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b723d000 [pid 597] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43b721c000 [pid 597] mprotect(0x7f43b721d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 597] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 597] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43b723c990, parent_tid=0x7f43b723c990, exit_signal=0, stack=0x7f43b721c000, stack_size=0x20240, tls=0x7f43b723c6c0}./strace-static-x86_64: Process 599 attached [pid 599] set_robust_list(0x7f43b723c9a0, 24 [pid 597] <... clone3 resumed> => {parent_tid=[309]}, 88) = 309 [pid 598] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 597] rt_sigprocmask(SIG_SETMASK, [], [pid 599] <... set_robust_list resumed>) = 0 [pid 597] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 599] rt_sigprocmask(SIG_SETMASK, [], [pid 597] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000 [pid 598] <... write resumed>) = 131072 [pid 598] munmap(0x7f43b723d000, 138412032 [pid 597] <... futex resumed>) = 0 [pid 599] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 598] <... munmap resumed>) = 0 [pid 598] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 597] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 599] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 598] <... openat resumed>) = 4 [pid 598] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 598] ioctl(4, LOOP_CLR_FD) = 0 [pid 598] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 598] close(4) = 0 [pid 598] close(3) = 0 [pid 598] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 598] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 599] <... openat resumed>) = 5 [pid 599] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 597] <... futex resumed>) = 0 [pid 597] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 599] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 597] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 598] <... futex resumed>) = 0 [pid 598] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 5, 0) = 0x200000000000 [pid 598] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 597] <... futex resumed>) = 0 [pid 597] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 597] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 598] <... futex resumed>) = 1 [pid 598] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 598] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 598] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 597] <... futex resumed>) = 0 [pid 597] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 597] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 598] <... futex resumed>) = 1 [pid 598] creat(0x200000000040, 000) = 3 [pid 598] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 597] <... futex resumed>) = 0 [pid 597] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 597] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 598] <... futex resumed>) = 1 [pid 598] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 598] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 597] <... futex resumed>) = 0 [pid 597] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 597] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 598] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 4 [pid 598] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 597] <... futex resumed>) = 0 [pid 597] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 597] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 598] write(4, 0x200000000080, 34136651) = 131072 [pid 598] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 597] <... futex resumed>) = 0 [pid 597] close(3) = 0 [pid 597] close(4) = 0 [pid 597] close(5) = 0 [pid 597] close(6) = -1 EBADF (Bad file descriptor) [pid 597] close(7) = -1 EBADF (Bad file descriptor) [pid 597] close(8) = -1 EBADF (Bad file descriptor) [pid 597] close(9) = -1 EBADF (Bad file descriptor) [pid 597] close(10) = -1 EBADF (Bad file descriptor) [pid 597] close(11) = -1 EBADF (Bad file descriptor) [pid 597] close(12) = -1 EBADF (Bad file descriptor) [pid 597] close(13) = -1 EBADF (Bad file descriptor) [pid 597] close(14) = -1 EBADF (Bad file descriptor) [pid 597] close(15) = -1 EBADF (Bad file descriptor) [pid 597] close(16) = -1 EBADF (Bad file descriptor) [pid 597] close(17) = -1 EBADF (Bad file descriptor) [pid 597] close(18) = -1 EBADF (Bad file descriptor) [pid 597] close(19) = -1 EBADF (Bad file descriptor) [pid 597] close(20) = -1 EBADF (Bad file descriptor) [pid 597] close(21) = -1 EBADF (Bad file descriptor) [pid 597] close(22) = -1 EBADF (Bad file descriptor) [pid 597] close(23) = -1 EBADF (Bad file descriptor) [pid 597] close(24) = -1 EBADF (Bad file descriptor) [pid 597] close(25) = -1 EBADF (Bad file descriptor) [pid 597] close(26) = -1 EBADF (Bad file descriptor) [pid 597] close(27) = -1 EBADF (Bad file descriptor) [pid 597] close(28) = -1 EBADF (Bad file descriptor) [pid 597] close(29) = -1 EBADF (Bad file descriptor) [pid 597] exit_group(0) = ? [pid 599] <... futex resumed>) = ? [pid 599] +++ exited with 0 +++ [pid 598] +++ exited with 0 +++ [pid 597] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=307, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 600 attached , child_tidptr=0x55555756f750) = 310 [pid 600] set_robust_list(0x55555756f760, 24) = 0 [pid 600] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 600] setpgid(0, 0) = 0 [pid 600] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 600] write(3, "1000", 4) = 4 [pid 600] close(3) = 0 [pid 600] write(1, "executing program\n", 18executing program ) = 18 [pid 600] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 600] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 600] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 600] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 600] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 600] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 600] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0}./strace-static-x86_64: Process 601 attached => {parent_tid=[311]}, 88) = 311 [pid 601] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 601] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 601] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 600] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 600] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 601] <... futex resumed>) = 0 [pid 600] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 601] memfd_create("syzkaller", 0) = 3 [pid 601] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b723d000 [pid 600] <... futex resumed>) = 0 [pid 600] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43b721c000 [pid 600] mprotect(0x7f43b721d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 600] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 600] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43b723c990, parent_tid=0x7f43b723c990, exit_signal=0, stack=0x7f43b721c000, stack_size=0x20240, tls=0x7f43b723c6c0} [pid 601] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 600] <... clone3 resumed> => {parent_tid=[312]}, 88) = 312 [pid 601] <... write resumed>) = 131072 [pid 600] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 600] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 600] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 602 attached [pid 602] set_robust_list(0x7f43b723c9a0, 24) = 0 [pid 602] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 602] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 601] munmap(0x7f43b723d000, 138412032) = 0 [pid 601] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 601] ioctl(5, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 601] ioctl(5, LOOP_CLR_FD) = 0 [pid 601] ioctl(5, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 601] close(5) = 0 [pid 601] close(3) = 0 [pid 601] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 601] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 602] <... openat resumed>) = 4 [pid 602] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 600] <... futex resumed>) = 0 [pid 600] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 602] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 600] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 601] <... futex resumed>) = 0 [pid 601] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 4, 0) = 0x200000000000 [pid 601] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 600] <... futex resumed>) = 0 [pid 601] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 600] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 600] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 601] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 601] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 601] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 601] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 600] <... futex resumed>) = 0 [pid 600] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 600] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 601] creat(0x200000000040, 000) = 3 [pid 601] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 600] <... futex resumed>) = 0 [pid 600] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 600] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 601] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 601] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 600] <... futex resumed>) = 0 [pid 600] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 601] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c [pid 600] <... futex resumed>) = 0 [pid 600] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 601] <... open resumed>) = 5 [pid 601] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 600] <... futex resumed>) = 0 [pid 601] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 600] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 600] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 601] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 601] write(5, 0x200000000080, 34136651) = 131072 [pid 601] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 600] <... futex resumed>) = 0 [pid 600] close(3) = 0 [pid 600] close(4) = 0 [pid 600] close(5) = 0 [pid 600] close(6) = -1 EBADF (Bad file descriptor) [pid 600] close(7) = -1 EBADF (Bad file descriptor) [pid 600] close(8) = -1 EBADF (Bad file descriptor) [pid 600] close(9) = -1 EBADF (Bad file descriptor) [pid 600] close(10) = -1 EBADF (Bad file descriptor) [pid 600] close(11) = -1 EBADF (Bad file descriptor) [pid 600] close(12) = -1 EBADF (Bad file descriptor) [pid 600] close(13) = -1 EBADF (Bad file descriptor) [pid 600] close(14) = -1 EBADF (Bad file descriptor) [pid 600] close(15) = -1 EBADF (Bad file descriptor) [pid 600] close(16) = -1 EBADF (Bad file descriptor) [pid 600] close(17) = -1 EBADF (Bad file descriptor) [pid 600] close(18) = -1 EBADF (Bad file descriptor) [pid 600] close(19) = -1 EBADF (Bad file descriptor) [pid 600] close(20) = -1 EBADF (Bad file descriptor) [pid 600] close(21) = -1 EBADF (Bad file descriptor) [pid 600] close(22) = -1 EBADF (Bad file descriptor) [pid 600] close(23) = -1 EBADF (Bad file descriptor) [pid 600] close(24) = -1 EBADF (Bad file descriptor) [pid 600] close(25) = -1 EBADF (Bad file descriptor) [pid 600] close(26) = -1 EBADF (Bad file descriptor) [pid 600] close(27) = -1 EBADF (Bad file descriptor) [pid 600] close(28) = -1 EBADF (Bad file descriptor) [pid 600] close(29) = -1 EBADF (Bad file descriptor) [pid 600] exit_group(0) = ? [pid 602] <... futex resumed>) = ? [pid 602] +++ exited with 0 +++ [pid 601] +++ exited with 0 +++ [pid 600] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=310, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756f750) = 313 ./strace-static-x86_64: Process 603 attached [pid 603] set_robust_list(0x55555756f760, 24) = 0 [pid 603] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 603] setpgid(0, 0) = 0 [pid 603] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 603] write(3, "1000", 4) = 4 [pid 603] close(3) = 0 [pid 603] write(1, "executing program\n", 18executing program ) = 18 [pid 603] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 603] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 603] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 603] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 603] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 603] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 603] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0}./strace-static-x86_64: Process 604 attached => {parent_tid=[314]}, 88) = 314 [pid 604] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 604] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 604] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 603] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 603] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 604] <... futex resumed>) = 0 [pid 604] memfd_create("syzkaller", 0) = 3 [pid 604] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b723d000 [pid 603] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 603] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43b721c000 [pid 603] mprotect(0x7f43b721d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 603] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 603] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43b723c990, parent_tid=0x7f43b723c990, exit_signal=0, stack=0x7f43b721c000, stack_size=0x20240, tls=0x7f43b723c6c0} [pid 604] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072./strace-static-x86_64: Process 605 attached [pid 603] <... clone3 resumed> => {parent_tid=[315]}, 88) = 315 [pid 605] set_robust_list(0x7f43b723c9a0, 24 [pid 604] <... write resumed>) = 131072 [pid 604] munmap(0x7f43b723d000, 138412032 [pid 603] rt_sigprocmask(SIG_SETMASK, [], [pid 605] <... set_robust_list resumed>) = 0 [pid 604] <... munmap resumed>) = 0 [pid 604] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 604] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 604] ioctl(4, LOOP_CLR_FD) = 0 [pid 605] rt_sigprocmask(SIG_SETMASK, [], [pid 603] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 603] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000 [pid 605] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 603] <... futex resumed>) = 0 [pid 605] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 603] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 604] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 604] close(4) = 0 [pid 604] close(3) = 0 [pid 604] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 604] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 605] <... openat resumed>) = 5 [pid 605] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 603] <... futex resumed>) = 0 [pid 603] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 603] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 604] <... futex resumed>) = 0 [pid 604] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 5, 0) = 0x200000000000 [pid 604] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 603] <... futex resumed>) = 0 [pid 603] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 603] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 604] <... futex resumed>) = 1 [pid 604] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 604] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 604] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 603] <... futex resumed>) = 0 [pid 603] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 603] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 604] <... futex resumed>) = 1 [pid 604] creat(0x200000000040, 000 [pid 605] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 604] <... creat resumed>) = 3 [pid 604] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 603] <... futex resumed>) = 0 [pid 603] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 603] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 604] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 604] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 603] <... futex resumed>) = 0 [pid 603] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 603] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 604] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 4 [pid 604] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 603] <... futex resumed>) = 0 [pid 603] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 603] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 604] write(4, 0x200000000080, 34136651) = 131072 [pid 604] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 603] <... futex resumed>) = 0 [pid 603] close(3) = 0 [pid 604] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 603] close(4) = 0 [pid 603] close(5) = 0 [pid 603] close(6) = -1 EBADF (Bad file descriptor) [pid 603] close(7) = -1 EBADF (Bad file descriptor) [pid 603] close(8) = -1 EBADF (Bad file descriptor) [pid 603] close(9) = -1 EBADF (Bad file descriptor) [pid 603] close(10) = -1 EBADF (Bad file descriptor) [pid 603] close(11) = -1 EBADF (Bad file descriptor) [pid 603] close(12) = -1 EBADF (Bad file descriptor) [pid 603] close(13) = -1 EBADF (Bad file descriptor) [pid 603] close(14) = -1 EBADF (Bad file descriptor) [pid 603] close(15) = -1 EBADF (Bad file descriptor) [pid 603] close(16) = -1 EBADF (Bad file descriptor) [pid 603] close(17) = -1 EBADF (Bad file descriptor) [pid 603] close(18) = -1 EBADF (Bad file descriptor) [pid 603] close(19) = -1 EBADF (Bad file descriptor) [pid 603] close(20) = -1 EBADF (Bad file descriptor) [pid 603] close(21) = -1 EBADF (Bad file descriptor) [pid 603] close(22) = -1 EBADF (Bad file descriptor) [pid 603] close(23) = -1 EBADF (Bad file descriptor) [pid 603] close(24) = -1 EBADF (Bad file descriptor) [pid 603] close(25) = -1 EBADF (Bad file descriptor) [pid 603] close(26) = -1 EBADF (Bad file descriptor) [pid 603] close(27) = -1 EBADF (Bad file descriptor) [pid 603] close(28) = -1 EBADF (Bad file descriptor) [pid 603] close(29) = -1 EBADF (Bad file descriptor) [pid 603] exit_group(0) = ? [pid 604] <... futex resumed>) = ? [pid 605] <... futex resumed>) = ? [pid 605] +++ exited with 0 +++ [pid 604] +++ exited with 0 +++ [pid 603] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=313, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 606 attached , child_tidptr=0x55555756f750) = 316 [pid 606] set_robust_list(0x55555756f760, 24) = 0 [pid 606] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 606] setpgid(0, 0) = 0 [pid 606] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 606] write(3, "1000", 4) = 4 [pid 606] close(3) = 0 [pid 606] write(1, "executing program\n", 18executing program ) = 18 [pid 606] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 606] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 606] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 606] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 606] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 606] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 606] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0}./strace-static-x86_64: Process 607 attached => {parent_tid=[317]}, 88) = 317 [pid 607] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 607] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 607] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 606] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 606] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 607] <... futex resumed>) = 0 [pid 606] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 607] memfd_create("syzkaller", 0) = 3 [pid 607] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b723d000 [pid 606] <... futex resumed>) = 0 [pid 606] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43b721c000 [pid 606] mprotect(0x7f43b721d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 606] rt_sigprocmask(SIG_BLOCK, ~[], [pid 607] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 606] <... rt_sigprocmask resumed>[], 8) = 0 [pid 606] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43b723c990, parent_tid=0x7f43b723c990, exit_signal=0, stack=0x7f43b721c000, stack_size=0x20240, tls=0x7f43b723c6c0} [pid 607] <... write resumed>) = 131072 ./strace-static-x86_64: Process 608 attached [pid 607] munmap(0x7f43b723d000, 138412032) = 0 [pid 608] set_robust_list(0x7f43b723c9a0, 24 [pid 606] <... clone3 resumed> => {parent_tid=[318]}, 88) = 318 [pid 607] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 606] rt_sigprocmask(SIG_SETMASK, [], [pid 608] <... set_robust_list resumed>) = 0 [pid 607] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 607] ioctl(4, LOOP_CLR_FD) = 0 [pid 608] rt_sigprocmask(SIG_SETMASK, [], [pid 606] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 606] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000 [pid 608] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 606] <... futex resumed>) = 0 [pid 608] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 606] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 607] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 607] close(4) = 0 [pid 607] close(3) = 0 [pid 607] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 607] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 608] <... openat resumed>) = 5 [pid 608] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 606] <... futex resumed>) = 0 [pid 606] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 606] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 608] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 607] <... futex resumed>) = 0 [pid 607] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 5, 0) = 0x200000000000 [pid 607] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 606] <... futex resumed>) = 0 [pid 606] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 606] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 607] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 607] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 607] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 606] <... futex resumed>) = 0 [pid 606] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 606] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 607] creat(0x200000000040, 000) = 3 [pid 607] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 606] <... futex resumed>) = 0 [pid 606] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 607] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL [pid 606] <... futex resumed>) = 0 [pid 606] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 607] <... mount resumed>) = 0 [pid 607] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 606] <... futex resumed>) = 0 [pid 606] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 606] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 607] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 4 [pid 607] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 606] <... futex resumed>) = 0 [pid 606] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 606] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 607] write(4, 0x200000000080, 34136651) = 131072 [pid 607] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 606] <... futex resumed>) = 0 [pid 606] close(3) = 0 [pid 606] close(4) = 0 [pid 606] close(5) = 0 [pid 606] close(6) = -1 EBADF (Bad file descriptor) [pid 606] close(7) = -1 EBADF (Bad file descriptor) [pid 606] close(8) = -1 EBADF (Bad file descriptor) [pid 606] close(9) = -1 EBADF (Bad file descriptor) [pid 606] close(10) = -1 EBADF (Bad file descriptor) [pid 607] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 606] close(11) = -1 EBADF (Bad file descriptor) [pid 606] close(12) = -1 EBADF (Bad file descriptor) [pid 606] close(13) = -1 EBADF (Bad file descriptor) [pid 606] close(14) = -1 EBADF (Bad file descriptor) [pid 606] close(15) = -1 EBADF (Bad file descriptor) [pid 606] close(16) = -1 EBADF (Bad file descriptor) [pid 606] close(17) = -1 EBADF (Bad file descriptor) [pid 606] close(18) = -1 EBADF (Bad file descriptor) [pid 606] close(19) = -1 EBADF (Bad file descriptor) [pid 606] close(20) = -1 EBADF (Bad file descriptor) [pid 606] close(21) = -1 EBADF (Bad file descriptor) [pid 606] close(22) = -1 EBADF (Bad file descriptor) [pid 606] close(23) = -1 EBADF (Bad file descriptor) [pid 606] close(24) = -1 EBADF (Bad file descriptor) [pid 606] close(25) = -1 EBADF (Bad file descriptor) [pid 606] close(26) = -1 EBADF (Bad file descriptor) [pid 606] close(27) = -1 EBADF (Bad file descriptor) [pid 606] close(28) = -1 EBADF (Bad file descriptor) [pid 606] close(29) = -1 EBADF (Bad file descriptor) [pid 606] exit_group(0) = ? [pid 608] <... futex resumed>) = ? [pid 607] <... futex resumed>) = ? [pid 608] +++ exited with 0 +++ [pid 607] +++ exited with 0 +++ [pid 606] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=316, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 609 attached , child_tidptr=0x55555756f750) = 319 [pid 609] set_robust_list(0x55555756f760, 24) = 0 [pid 609] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 609] setpgid(0, 0) = 0 [pid 609] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 609] write(3, "1000", 4) = 4 [pid 609] close(3) = 0 [pid 609] write(1, "executing program\n", 18executing program ) = 18 [pid 609] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 609] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 609] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 609] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 609] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 609] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 609] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0}./strace-static-x86_64: Process 610 attached => {parent_tid=[320]}, 88) = 320 [pid 610] set_robust_list(0x7f43bf65d9a0, 24 [pid 609] rt_sigprocmask(SIG_SETMASK, [], [pid 610] <... set_robust_list resumed>) = 0 [pid 609] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 610] rt_sigprocmask(SIG_SETMASK, [], [pid 609] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 610] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 609] <... futex resumed>) = 0 [pid 609] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 609] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 610] memfd_create("syzkaller", 0 [pid 609] <... mmap resumed>) = 0x7f43bf61c000 [pid 610] <... memfd_create resumed>) = 3 [pid 609] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE [pid 610] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 609] <... mprotect resumed>) = 0 [pid 610] <... mmap resumed>) = 0x7f43b721c000 [pid 609] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 609] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0}./strace-static-x86_64: Process 611 attached [pid 611] set_robust_list(0x7f43bf63c9a0, 24) = 0 [pid 611] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 611] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 609] <... clone3 resumed> => {parent_tid=[321]}, 88) = 321 [pid 609] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 609] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 611] <... futex resumed>) = 0 [pid 611] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 609] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 610] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 610] munmap(0x7f43b721c000, 138412032) = 0 [pid 610] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 610] ioctl(5, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 610] ioctl(5, LOOP_CLR_FD) = 0 [pid 610] ioctl(5, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 610] close(5) = 0 [pid 610] close(3 [pid 611] <... openat resumed>) = 4 [pid 611] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 611] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 609] <... futex resumed>) = 0 [pid 609] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 611] <... futex resumed>) = 0 [pid 611] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 4, 0 [pid 609] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 611] <... mmap resumed>) = 0x200000000000 [pid 611] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 611] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 609] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 609] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 610] <... close resumed>) = 0 [pid 611] <... futex resumed>) = 0 [pid 611] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 611] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 611] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 611] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 610] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 609] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 610] <... futex resumed>) = 0 [pid 609] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 609] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 610] creat(0x200000000040, 000 [pid 609] <... futex resumed>) = 0 [pid 609] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 610] <... creat resumed>) = 3 [pid 610] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 609] <... futex resumed>) = 0 [pid 609] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 609] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 610] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 610] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 609] <... futex resumed>) = 0 [pid 609] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 609] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 610] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 610] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 609] <... futex resumed>) = 0 [pid 609] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 609] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 610] write(5, 0x200000000080, 34136651) = 131072 [pid 610] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 609] <... futex resumed>) = 0 [pid 609] close(3) = 0 [pid 609] close(4) = 0 [pid 609] close(5) = 0 [pid 609] close(6) = -1 EBADF (Bad file descriptor) [pid 609] close(7) = -1 EBADF (Bad file descriptor) [pid 609] close(8) = -1 EBADF (Bad file descriptor) [pid 609] close(9) = -1 EBADF (Bad file descriptor) [pid 609] close(10) = -1 EBADF (Bad file descriptor) [pid 609] close(11) = -1 EBADF (Bad file descriptor) [pid 609] close(12) = -1 EBADF (Bad file descriptor) [pid 609] close(13) = -1 EBADF (Bad file descriptor) [pid 609] close(14) = -1 EBADF (Bad file descriptor) [pid 609] close(15) = -1 EBADF (Bad file descriptor) [pid 609] close(16) = -1 EBADF (Bad file descriptor) [pid 609] close(17) = -1 EBADF (Bad file descriptor) [pid 609] close(18) = -1 EBADF (Bad file descriptor) [pid 609] close(19) = -1 EBADF (Bad file descriptor) [pid 609] close(20) = -1 EBADF (Bad file descriptor) [pid 609] close(21) = -1 EBADF (Bad file descriptor) [pid 609] close(22) = -1 EBADF (Bad file descriptor) [pid 609] close(23) = -1 EBADF (Bad file descriptor) [pid 609] close(24) = -1 EBADF (Bad file descriptor) [pid 609] close(25) = -1 EBADF (Bad file descriptor) [pid 609] close(26) = -1 EBADF (Bad file descriptor) [pid 609] close(27) = -1 EBADF (Bad file descriptor) [pid 609] close(28) = -1 EBADF (Bad file descriptor) [pid 609] close(29) = -1 EBADF (Bad file descriptor) [pid 609] exit_group(0) = ? [pid 611] <... futex resumed>) = ? [pid 611] +++ exited with 0 +++ [pid 610] +++ exited with 0 +++ [pid 609] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=319, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 612 attached [pid 612] set_robust_list(0x55555756f760, 24 [pid 289] <... clone resumed>, child_tidptr=0x55555756f750) = 322 [pid 612] <... set_robust_list resumed>) = 0 [pid 612] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 612] setpgid(0, 0) = 0 [pid 612] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 612] write(3, "1000", 4) = 4 [pid 612] close(3) = 0 [pid 612] write(1, "executing program\n", 18executing program ) = 18 [pid 612] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 612] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 612] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 612] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 612] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 612] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 612] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0}./strace-static-x86_64: Process 613 attached => {parent_tid=[323]}, 88) = 323 [pid 613] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 613] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 613] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 612] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 612] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 613] <... futex resumed>) = 0 [pid 612] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 613] memfd_create("syzkaller", 0 [pid 612] <... futex resumed>) = 0 [pid 613] <... memfd_create resumed>) = 3 [pid 613] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b723d000 [pid 612] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43b721c000 [pid 612] mprotect(0x7f43b721d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 612] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 612] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43b723c990, parent_tid=0x7f43b723c990, exit_signal=0, stack=0x7f43b721c000, stack_size=0x20240, tls=0x7f43b723c6c0}./strace-static-x86_64: Process 614 attached => {parent_tid=[324]}, 88) = 324 [pid 614] set_robust_list(0x7f43b723c9a0, 24 [pid 612] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 614] <... set_robust_list resumed>) = 0 [pid 612] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 614] rt_sigprocmask(SIG_SETMASK, [], [pid 612] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 614] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 614] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 613] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 613] munmap(0x7f43b723d000, 138412032) = 0 [pid 613] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 613] ioctl(5, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 613] ioctl(5, LOOP_CLR_FD) = 0 [pid 613] ioctl(5, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 613] close(5) = 0 [pid 613] close(3) = 0 [pid 613] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 613] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 614] <... openat resumed>) = 4 [pid 614] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 612] <... futex resumed>) = 0 [pid 612] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 612] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 613] <... futex resumed>) = 0 [pid 613] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 4, 0 [pid 614] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 613] <... mmap resumed>) = 0x200000000000 [pid 613] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 612] <... futex resumed>) = 0 [pid 612] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 612] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 613] <... futex resumed>) = 1 [pid 613] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 613] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 613] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 612] <... futex resumed>) = 0 [pid 612] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 612] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 613] <... futex resumed>) = 1 [pid 613] creat(0x200000000040, 000) = 3 [pid 613] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 612] <... futex resumed>) = 0 [pid 612] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 612] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 613] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 613] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 612] <... futex resumed>) = 0 [pid 612] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 612] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 613] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 613] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 612] <... futex resumed>) = 0 [pid 612] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 612] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 613] write(5, 0x200000000080, 34136651) = 131072 [pid 613] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 612] <... futex resumed>) = 0 [pid 612] close(3) = 0 [pid 612] close(4) = 0 [pid 612] close(5) = 0 [pid 612] close(6) = -1 EBADF (Bad file descriptor) [pid 612] close(7) = -1 EBADF (Bad file descriptor) [pid 612] close(8) = -1 EBADF (Bad file descriptor) [pid 612] close(9) = -1 EBADF (Bad file descriptor) [pid 612] close(10) = -1 EBADF (Bad file descriptor) [pid 612] close(11) = -1 EBADF (Bad file descriptor) [pid 612] close(12) = -1 EBADF (Bad file descriptor) [pid 612] close(13) = -1 EBADF (Bad file descriptor) [pid 612] close(14) = -1 EBADF (Bad file descriptor) [pid 612] close(15) = -1 EBADF (Bad file descriptor) [pid 612] close(16) = -1 EBADF (Bad file descriptor) [pid 612] close(17) = -1 EBADF (Bad file descriptor) [pid 612] close(18) = -1 EBADF (Bad file descriptor) [pid 612] close(19) = -1 EBADF (Bad file descriptor) [pid 612] close(20) = -1 EBADF (Bad file descriptor) [pid 612] close(21) = -1 EBADF (Bad file descriptor) [pid 612] close(22) = -1 EBADF (Bad file descriptor) [pid 612] close(23) = -1 EBADF (Bad file descriptor) [pid 612] close(24) = -1 EBADF (Bad file descriptor) [pid 612] close(25) = -1 EBADF (Bad file descriptor) [pid 612] close(26) = -1 EBADF (Bad file descriptor) [pid 612] close(27) = -1 EBADF (Bad file descriptor) [pid 612] close(28) = -1 EBADF (Bad file descriptor) [pid 612] close(29) = -1 EBADF (Bad file descriptor) [pid 612] exit_group(0) = ? [pid 614] <... futex resumed>) = ? [pid 614] +++ exited with 0 +++ [pid 613] +++ exited with 0 +++ [pid 612] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=322, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 615 attached , child_tidptr=0x55555756f750) = 325 [pid 615] set_robust_list(0x55555756f760, 24) = 0 [pid 615] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 615] setpgid(0, 0) = 0 [pid 615] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 615] write(3, "1000", 4) = 4 [pid 615] close(3) = 0 [pid 615] write(1, "executing program\n", 18executing program ) = 18 [pid 615] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 615] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 615] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 615] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 615] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 615] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 615] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0}./strace-static-x86_64: Process 616 attached => {parent_tid=[326]}, 88) = 326 [pid 616] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 615] rt_sigprocmask(SIG_SETMASK, [], [pid 616] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 616] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 615] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 615] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 616] <... futex resumed>) = 0 [pid 616] memfd_create("syzkaller", 0 [pid 615] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 616] <... memfd_create resumed>) = 3 [pid 616] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b723d000 [pid 615] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43b721c000 [pid 615] mprotect(0x7f43b721d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 615] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 615] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43b723c990, parent_tid=0x7f43b723c990, exit_signal=0, stack=0x7f43b721c000, stack_size=0x20240, tls=0x7f43b723c6c0}./strace-static-x86_64: Process 617 attached => {parent_tid=[327]}, 88) = 327 [pid 617] set_robust_list(0x7f43b723c9a0, 24 [pid 615] rt_sigprocmask(SIG_SETMASK, [], [pid 616] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 617] <... set_robust_list resumed>) = 0 [pid 615] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 615] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000 [pid 617] rt_sigprocmask(SIG_SETMASK, [], [pid 615] <... futex resumed>) = 0 [pid 615] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 617] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 617] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 616] <... write resumed>) = 131072 [pid 616] munmap(0x7f43b723d000, 138412032) = 0 [pid 616] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 616] ioctl(5, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 616] ioctl(5, LOOP_CLR_FD) = 0 [pid 616] ioctl(5, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 616] close(5) = 0 [pid 616] close(3) = 0 [pid 616] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 616] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 617] <... openat resumed>) = 4 [pid 617] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 615] <... futex resumed>) = 0 [pid 615] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 615] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 616] <... futex resumed>) = 0 [pid 616] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 4, 0 [pid 617] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 616] <... mmap resumed>) = 0x200000000000 [pid 616] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 615] <... futex resumed>) = 0 [pid 615] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 616] <... futex resumed>) = 1 [pid 615] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 616] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 616] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 616] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 616] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 615] <... futex resumed>) = 0 [pid 615] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 616] <... futex resumed>) = 0 [pid 615] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 616] creat(0x200000000040, 000) = 3 [pid 616] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 615] <... futex resumed>) = 0 [pid 615] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 615] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 616] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 616] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 615] <... futex resumed>) = 0 [pid 615] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 615] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 616] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 616] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 615] <... futex resumed>) = 0 [pid 615] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 615] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 616] write(5, 0x200000000080, 34136651) = 131072 [pid 616] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 615] <... futex resumed>) = 0 [pid 615] close(3) = 0 [pid 615] close(4) = 0 [pid 615] close(5) = 0 [pid 615] close(6) = -1 EBADF (Bad file descriptor) [pid 615] close(7) = -1 EBADF (Bad file descriptor) [pid 615] close(8) = -1 EBADF (Bad file descriptor) [pid 615] close(9) = -1 EBADF (Bad file descriptor) [pid 615] close(10) = -1 EBADF (Bad file descriptor) [pid 615] close(11) = -1 EBADF (Bad file descriptor) [pid 615] close(12) = -1 EBADF (Bad file descriptor) [pid 615] close(13) = -1 EBADF (Bad file descriptor) [pid 615] close(14) = -1 EBADF (Bad file descriptor) [pid 615] close(15) = -1 EBADF (Bad file descriptor) [pid 615] close(16) = -1 EBADF (Bad file descriptor) [pid 615] close(17) = -1 EBADF (Bad file descriptor) [pid 615] close(18) = -1 EBADF (Bad file descriptor) [pid 615] close(19) = -1 EBADF (Bad file descriptor) [pid 615] close(20) = -1 EBADF (Bad file descriptor) [pid 615] close(21) = -1 EBADF (Bad file descriptor) [pid 615] close(22) = -1 EBADF (Bad file descriptor) [pid 615] close(23) = -1 EBADF (Bad file descriptor) [pid 615] close(24) = -1 EBADF (Bad file descriptor) [pid 615] close(25) = -1 EBADF (Bad file descriptor) [pid 615] close(26) = -1 EBADF (Bad file descriptor) [pid 615] close(27) = -1 EBADF (Bad file descriptor) [pid 615] close(28) = -1 EBADF (Bad file descriptor) [pid 615] close(29) = -1 EBADF (Bad file descriptor) [pid 615] exit_group(0) = ? [pid 617] <... futex resumed>) = ? [pid 617] +++ exited with 0 +++ [pid 616] +++ exited with 0 +++ [pid 615] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=325, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 618 attached [pid 618] set_robust_list(0x55555756f760, 24 [pid 289] <... clone resumed>, child_tidptr=0x55555756f750) = 328 [pid 618] <... set_robust_list resumed>) = 0 [pid 618] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 618] setpgid(0, 0) = 0 [pid 618] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 618] write(3, "1000", 4) = 4 [pid 618] close(3) = 0 [pid 618] write(1, "executing program\n", 18executing program ) = 18 [pid 618] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 618] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 618] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 618] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 618] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 618] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 618] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0}./strace-static-x86_64: Process 619 attached [pid 619] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 619] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 619] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 618] <... clone3 resumed> => {parent_tid=[329]}, 88) = 329 [pid 618] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 618] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 619] <... futex resumed>) = 0 [pid 618] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 619] memfd_create("syzkaller", 0) = 3 [pid 618] <... futex resumed>) = 0 [pid 619] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b723d000 [pid 618] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 619] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 618] <... mmap resumed>) = 0x7f43b721c000 [pid 619] <... write resumed>) = 131072 [pid 619] munmap(0x7f43b723d000, 138412032 [pid 618] mprotect(0x7f43b721d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 619] <... munmap resumed>) = 0 [pid 619] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 618] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 619] <... openat resumed>) = 4 [pid 619] ioctl(4, LOOP_SET_FD, 3 [pid 618] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43b723c990, parent_tid=0x7f43b723c990, exit_signal=0, stack=0x7f43b721c000, stack_size=0x20240, tls=0x7f43b723c6c0} [pid 619] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) ./strace-static-x86_64: Process 620 attached [pid 620] set_robust_list(0x7f43b723c9a0, 24) = 0 [pid 620] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 620] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 619] ioctl(4, LOOP_CLR_FD [pid 618] <... clone3 resumed> => {parent_tid=[330]}, 88) = 330 [pid 619] <... ioctl resumed>) = 0 [pid 618] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 618] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000 [pid 620] <... futex resumed>) = 0 [pid 618] <... futex resumed>) = 1 [pid 620] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 618] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 619] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 619] close(4) = 0 [pid 619] close(3) = 0 [pid 619] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 619] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 620] <... openat resumed>) = 5 [pid 620] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 620] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 618] <... futex resumed>) = 0 [pid 618] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 618] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 619] <... futex resumed>) = 0 [pid 619] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 5, 0) = 0x200000000000 [pid 619] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 618] <... futex resumed>) = 0 [pid 618] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 618] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 619] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 619] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 619] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 619] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 618] <... futex resumed>) = 0 [pid 618] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 618] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 619] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 619] creat(0x200000000040, 000) = 3 [pid 619] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 618] <... futex resumed>) = 0 [pid 619] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 618] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 618] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 619] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 619] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 619] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 619] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 618] <... futex resumed>) = 0 [pid 618] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 618] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 619] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 619] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 4 [pid 619] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 618] <... futex resumed>) = 0 [pid 619] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 618] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 619] <... futex resumed>) = 0 [pid 618] <... futex resumed>) = 1 [pid 619] write(4, 0x200000000080, 34136651 [pid 618] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 619] <... write resumed>) = 131072 [pid 619] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 618] <... futex resumed>) = 0 [pid 618] close(3) = 0 [pid 618] close(4) = 0 [pid 618] close(5) = 0 [pid 618] close(6) = -1 EBADF (Bad file descriptor) [pid 618] close(7) = -1 EBADF (Bad file descriptor) [pid 618] close(8) = -1 EBADF (Bad file descriptor) [pid 618] close(9) = -1 EBADF (Bad file descriptor) [pid 618] close(10) = -1 EBADF (Bad file descriptor) [pid 618] close(11) = -1 EBADF (Bad file descriptor) [pid 618] close(12) = -1 EBADF (Bad file descriptor) [pid 618] close(13) = -1 EBADF (Bad file descriptor) [pid 618] close(14) = -1 EBADF (Bad file descriptor) [pid 618] close(15) = -1 EBADF (Bad file descriptor) [pid 618] close(16) = -1 EBADF (Bad file descriptor) [pid 618] close(17) = -1 EBADF (Bad file descriptor) [pid 618] close(18) = -1 EBADF (Bad file descriptor) [pid 618] close(19 [pid 619] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 618] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 618] close(20) = -1 EBADF (Bad file descriptor) [pid 618] close(21) = -1 EBADF (Bad file descriptor) [pid 618] close(22) = -1 EBADF (Bad file descriptor) [pid 618] close(23) = -1 EBADF (Bad file descriptor) [pid 618] close(24) = -1 EBADF (Bad file descriptor) [pid 618] close(25) = -1 EBADF (Bad file descriptor) [pid 618] close(26) = -1 EBADF (Bad file descriptor) [pid 618] close(27) = -1 EBADF (Bad file descriptor) [pid 618] close(28) = -1 EBADF (Bad file descriptor) [pid 618] close(29) = -1 EBADF (Bad file descriptor) [pid 618] exit_group(0) = ? [pid 619] <... futex resumed>) = ? [pid 619] +++ exited with 0 +++ [pid 620] <... futex resumed>) = ? [pid 620] +++ exited with 0 +++ [pid 618] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=328, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756f750) = 331 ./strace-static-x86_64: Process 621 attached [pid 621] set_robust_list(0x55555756f760, 24) = 0 [pid 621] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 621] setpgid(0, 0) = 0 [pid 621] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 621] write(3, "1000", 4) = 4 [pid 621] close(3) = 0 executing program [pid 621] write(1, "executing program\n", 18) = 18 [pid 621] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 621] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 621] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 621] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 621] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 621] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 621] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0}./strace-static-x86_64: Process 622 attached [pid 622] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 622] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 622] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 621] <... clone3 resumed> => {parent_tid=[332]}, 88) = 332 [pid 621] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 621] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 622] <... futex resumed>) = 0 [pid 622] memfd_create("syzkaller", 0) = 3 [pid 622] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b723d000 [pid 621] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 621] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43b721c000 [pid 621] mprotect(0x7f43b721d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 621] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 621] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43b723c990, parent_tid=0x7f43b723c990, exit_signal=0, stack=0x7f43b721c000, stack_size=0x20240, tls=0x7f43b723c6c0} [pid 622] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 621] <... clone3 resumed> => {parent_tid=[333]}, 88) = 333 [pid 621] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 621] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 621] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 623 attached [pid 623] set_robust_list(0x7f43b723c9a0, 24) = 0 [pid 622] <... write resumed>) = 131072 [pid 622] munmap(0x7f43b723d000, 138412032 [pid 623] rt_sigprocmask(SIG_SETMASK, [], [pid 622] <... munmap resumed>) = 0 [pid 622] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 622] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 622] ioctl(4, LOOP_CLR_FD) = 0 [pid 623] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 623] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 622] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 622] close(4) = 0 [pid 622] close(3) = 0 [pid 622] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 622] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 623] <... openat resumed>) = 5 [pid 623] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 621] <... futex resumed>) = 0 [pid 621] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 621] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 622] <... futex resumed>) = 0 [pid 622] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 5, 0) = 0x200000000000 [pid 622] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 621] <... futex resumed>) = 0 [pid 621] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 621] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 622] <... futex resumed>) = 1 [pid 622] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 622] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 622] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 621] <... futex resumed>) = 0 [pid 621] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 621] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 622] <... futex resumed>) = 1 [pid 622] creat(0x200000000040, 000 [pid 623] <... futex resumed>) = 1 [pid 622] <... creat resumed>) = 3 [pid 622] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 621] <... futex resumed>) = 0 [pid 621] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 621] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 622] <... futex resumed>) = 1 [pid 622] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL [pid 623] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 622] <... mount resumed>) = 0 [pid 622] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 621] <... futex resumed>) = 0 [pid 621] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 621] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 622] <... futex resumed>) = 1 [pid 622] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 4 [pid 622] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 621] <... futex resumed>) = 0 [pid 621] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 621] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 622] <... futex resumed>) = 1 [pid 622] write(4, 0x200000000080, 34136651) = 131072 [pid 622] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 621] <... futex resumed>) = 0 [pid 621] close(3) = 0 [pid 621] close(4) = 0 [pid 621] close(5) = 0 [pid 621] close(6) = -1 EBADF (Bad file descriptor) [pid 621] close(7) = -1 EBADF (Bad file descriptor) [pid 621] close(8) = -1 EBADF (Bad file descriptor) [pid 621] close(9) = -1 EBADF (Bad file descriptor) [pid 621] close(10) = -1 EBADF (Bad file descriptor) [pid 621] close(11) = -1 EBADF (Bad file descriptor) [pid 621] close(12) = -1 EBADF (Bad file descriptor) [pid 621] close(13) = -1 EBADF (Bad file descriptor) [pid 621] close(14 [pid 622] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 621] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 621] close(15) = -1 EBADF (Bad file descriptor) [pid 621] close(16) = -1 EBADF (Bad file descriptor) [pid 621] close(17) = -1 EBADF (Bad file descriptor) [pid 621] close(18) = -1 EBADF (Bad file descriptor) [pid 621] close(19) = -1 EBADF (Bad file descriptor) [pid 621] close(20) = -1 EBADF (Bad file descriptor) [pid 621] close(21) = -1 EBADF (Bad file descriptor) [pid 621] close(22) = -1 EBADF (Bad file descriptor) [pid 621] close(23) = -1 EBADF (Bad file descriptor) [pid 621] close(24) = -1 EBADF (Bad file descriptor) [pid 621] close(25) = -1 EBADF (Bad file descriptor) [pid 621] close(26) = -1 EBADF (Bad file descriptor) [pid 621] close(27) = -1 EBADF (Bad file descriptor) [pid 621] close(28) = -1 EBADF (Bad file descriptor) [pid 621] close(29) = -1 EBADF (Bad file descriptor) [pid 621] exit_group(0) = ? [pid 623] <... futex resumed>) = ? [pid 623] +++ exited with 0 +++ [pid 622] <... futex resumed>) = ? [pid 622] +++ exited with 0 +++ [pid 621] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=331, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756f750) = 334 ./strace-static-x86_64: Process 624 attached [pid 624] set_robust_list(0x55555756f760, 24) = 0 [pid 624] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 624] setpgid(0, 0) = 0 [pid 624] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 624] write(3, "1000", 4) = 4 [pid 624] close(3) = 0 executing program [pid 624] write(1, "executing program\n", 18) = 18 [pid 624] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 624] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 624] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 624] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 624] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 624] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 624] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0}./strace-static-x86_64: Process 625 attached [pid 625] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 625] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 625] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 624] <... clone3 resumed> => {parent_tid=[335]}, 88) = 335 [pid 624] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 624] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 625] <... futex resumed>) = 0 [pid 624] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 625] memfd_create("syzkaller", 0 [pid 624] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 625] <... memfd_create resumed>) = 3 [pid 625] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b723d000 [pid 624] <... mmap resumed>) = 0x7f43b721c000 [pid 624] mprotect(0x7f43b721d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 624] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 624] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43b723c990, parent_tid=0x7f43b723c990, exit_signal=0, stack=0x7f43b721c000, stack_size=0x20240, tls=0x7f43b723c6c0} => {parent_tid=[336]}, 88) = 336 [pid 624] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 624] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 624] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 626 attached [pid 626] set_robust_list(0x7f43b723c9a0, 24) = 0 [pid 626] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 625] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 626] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 625] <... write resumed>) = 131072 [pid 625] munmap(0x7f43b723d000, 138412032) = 0 [pid 625] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 625] ioctl(5, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 625] ioctl(5, LOOP_CLR_FD) = 0 [pid 625] ioctl(5, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 625] close(5) = 0 [pid 625] close(3) = 0 [pid 625] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 625] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 626] <... openat resumed>) = 4 [pid 626] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 624] <... futex resumed>) = 0 [pid 624] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 624] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 625] <... futex resumed>) = 0 [pid 625] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 4, 0 [pid 626] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 625] <... mmap resumed>) = 0x200000000000 [pid 625] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 624] <... futex resumed>) = 0 [pid 625] <... futex resumed>) = 1 [pid 624] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 625] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 624] <... futex resumed>) = 0 [pid 625] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 625] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 625] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 624] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 624] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 625] <... futex resumed>) = 0 [pid 624] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 625] creat(0x200000000040, 000) = 3 [pid 625] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 624] <... futex resumed>) = 0 [pid 624] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 624] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 625] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 625] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 624] <... futex resumed>) = 0 [pid 624] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 624] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 625] <... futex resumed>) = 1 [pid 625] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 625] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 624] <... futex resumed>) = 0 [pid 624] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 624] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 625] write(5, 0x200000000080, 34136651) = 131072 [pid 625] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 624] <... futex resumed>) = 0 [pid 624] close(3) = 0 [pid 624] close(4) = 0 [pid 624] close(5) = 0 [pid 624] close(6) = -1 EBADF (Bad file descriptor) [pid 624] close(7) = -1 EBADF (Bad file descriptor) [pid 624] close(8) = -1 EBADF (Bad file descriptor) [pid 624] close(9) = -1 EBADF (Bad file descriptor) [pid 624] close(10) = -1 EBADF (Bad file descriptor) [pid 624] close(11) = -1 EBADF (Bad file descriptor) [pid 624] close(12) = -1 EBADF (Bad file descriptor) [pid 624] close(13) = -1 EBADF (Bad file descriptor) [pid 624] close(14) = -1 EBADF (Bad file descriptor) [pid 624] close(15) = -1 EBADF (Bad file descriptor) [pid 624] close(16) = -1 EBADF (Bad file descriptor) [pid 624] close(17) = -1 EBADF (Bad file descriptor) [pid 624] close(18) = -1 EBADF (Bad file descriptor) [pid 624] close(19) = -1 EBADF (Bad file descriptor) [pid 624] close(20) = -1 EBADF (Bad file descriptor) [pid 624] close(21) = -1 EBADF (Bad file descriptor) [pid 624] close(22) = -1 EBADF (Bad file descriptor) [pid 624] close(23) = -1 EBADF (Bad file descriptor) [pid 624] close(24) = -1 EBADF (Bad file descriptor) [pid 624] close(25) = -1 EBADF (Bad file descriptor) [pid 624] close(26) = -1 EBADF (Bad file descriptor) [pid 624] close(27) = -1 EBADF (Bad file descriptor) [pid 624] close(28) = -1 EBADF (Bad file descriptor) [pid 624] close(29) = -1 EBADF (Bad file descriptor) [pid 624] exit_group(0) = ? [pid 626] <... futex resumed>) = ? [pid 626] +++ exited with 0 +++ [pid 625] +++ exited with 0 +++ [pid 624] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=334, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 627 attached , child_tidptr=0x55555756f750) = 337 [pid 627] set_robust_list(0x55555756f760, 24) = 0 [pid 627] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 627] setpgid(0, 0) = 0 [pid 627] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 627] write(3, "1000", 4) = 4 [pid 627] close(3) = 0 [pid 627] write(1, "executing program\n", 18executing program ) = 18 [pid 627] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 627] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 627] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 627] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 627] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 627] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 627] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0}./strace-static-x86_64: Process 628 attached => {parent_tid=[338]}, 88) = 338 [pid 628] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 628] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 628] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 627] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 628] <... futex resumed>) = 0 [pid 628] memfd_create("syzkaller", 0 [pid 627] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 628] <... memfd_create resumed>) = 3 [pid 628] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b723d000 [pid 627] <... futex resumed>) = 0 [pid 627] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43b721c000 [pid 627] mprotect(0x7f43b721d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 627] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 627] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43b723c990, parent_tid=0x7f43b723c990, exit_signal=0, stack=0x7f43b721c000, stack_size=0x20240, tls=0x7f43b723c6c0}./strace-static-x86_64: Process 629 attached [pid 628] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 627] <... clone3 resumed> => {parent_tid=[339]}, 88) = 339 [pid 629] set_robust_list(0x7f43b723c9a0, 24) = 0 [pid 627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 629] rt_sigprocmask(SIG_SETMASK, [], [pid 627] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 629] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 627] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 629] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 628] <... write resumed>) = 131072 [pid 628] munmap(0x7f43b723d000, 138412032) = 0 [pid 628] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 628] ioctl(5, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 628] ioctl(5, LOOP_CLR_FD) = 0 [pid 628] ioctl(5, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 628] close(5) = 0 [pid 628] close(3) = 0 [pid 628] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 628] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 629] <... openat resumed>) = 4 [pid 629] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 627] <... futex resumed>) = 0 [pid 627] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 627] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 628] <... futex resumed>) = 0 [pid 628] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 4, 0 [pid 629] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 628] <... mmap resumed>) = 0x200000000000 [pid 628] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 627] <... futex resumed>) = 0 [pid 627] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 627] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 628] <... futex resumed>) = 1 [pid 628] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 628] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 628] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 627] <... futex resumed>) = 0 [pid 627] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 627] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 628] <... futex resumed>) = 1 [pid 628] creat(0x200000000040, 000) = 3 [pid 628] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 627] <... futex resumed>) = 0 [pid 627] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 627] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 628] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 628] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 627] <... futex resumed>) = 0 [pid 627] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 627] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 628] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 628] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 627] <... futex resumed>) = 0 [pid 627] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 627] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 628] write(5, 0x200000000080, 34136651) = 131072 [pid 628] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 627] <... futex resumed>) = 0 [pid 627] close(3) = 0 [pid 627] close(4) = 0 [pid 627] close(5) = 0 [pid 627] close(6) = -1 EBADF (Bad file descriptor) [pid 627] close(7) = -1 EBADF (Bad file descriptor) [pid 627] close(8) = -1 EBADF (Bad file descriptor) [pid 627] close(9) = -1 EBADF (Bad file descriptor) [pid 627] close(10) = -1 EBADF (Bad file descriptor) [pid 627] close(11) = -1 EBADF (Bad file descriptor) [pid 627] close(12) = -1 EBADF (Bad file descriptor) [pid 627] close(13) = -1 EBADF (Bad file descriptor) [pid 627] close(14) = -1 EBADF (Bad file descriptor) [pid 627] close(15) = -1 EBADF (Bad file descriptor) [pid 627] close(16) = -1 EBADF (Bad file descriptor) [pid 627] close(17) = -1 EBADF (Bad file descriptor) [pid 627] close(18) = -1 EBADF (Bad file descriptor) [pid 627] close(19) = -1 EBADF (Bad file descriptor) [pid 627] close(20) = -1 EBADF (Bad file descriptor) [pid 627] close(21) = -1 EBADF (Bad file descriptor) [pid 627] close(22) = -1 EBADF (Bad file descriptor) [pid 627] close(23) = -1 EBADF (Bad file descriptor) [pid 627] close(24) = -1 EBADF (Bad file descriptor) [pid 627] close(25) = -1 EBADF (Bad file descriptor) [pid 627] close(26) = -1 EBADF (Bad file descriptor) [pid 627] close(27) = -1 EBADF (Bad file descriptor) [pid 627] close(28) = -1 EBADF (Bad file descriptor) [pid 627] close(29) = -1 EBADF (Bad file descriptor) [pid 627] exit_group(0) = ? [pid 629] <... futex resumed>) = ? [pid 628] +++ exited with 0 +++ [pid 629] +++ exited with 0 +++ [pid 627] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=337, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 630 attached , child_tidptr=0x55555756f750) = 340 [pid 630] set_robust_list(0x55555756f760, 24) = 0 [pid 630] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 630] setpgid(0, 0) = 0 [pid 630] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 630] write(3, "1000", 4) = 4 [pid 630] close(3) = 0 [pid 630] write(1, "executing program\n", 18executing program ) = 18 [pid 630] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 630] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 630] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 630] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 630] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 630] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 630] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0}./strace-static-x86_64: Process 631 attached => {parent_tid=[341]}, 88) = 341 [pid 631] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 631] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 631] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 630] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 630] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 631] <... futex resumed>) = 0 [pid 630] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 631] memfd_create("syzkaller", 0) = 3 [pid 630] <... futex resumed>) = 0 [pid 631] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b723d000 [pid 630] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43b721c000 [pid 630] mprotect(0x7f43b721d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 630] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 630] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43b723c990, parent_tid=0x7f43b723c990, exit_signal=0, stack=0x7f43b721c000, stack_size=0x20240, tls=0x7f43b723c6c0}./strace-static-x86_64: Process 632 attached => {parent_tid=[342]}, 88) = 342 [pid 632] set_robust_list(0x7f43b723c9a0, 24 [pid 630] rt_sigprocmask(SIG_SETMASK, [], [pid 631] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 632] <... set_robust_list resumed>) = 0 [pid 630] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 630] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000 [pid 632] rt_sigprocmask(SIG_SETMASK, [], [pid 630] <... futex resumed>) = 0 [pid 632] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 630] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 632] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 631] <... write resumed>) = 131072 [pid 631] munmap(0x7f43b723d000, 138412032) = 0 [pid 631] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 631] ioctl(5, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 631] ioctl(5, LOOP_CLR_FD) = 0 [pid 631] ioctl(5, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 631] close(5) = 0 [pid 631] close(3) = 0 [pid 631] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 631] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 632] <... openat resumed>) = 4 [pid 632] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 630] <... futex resumed>) = 0 [pid 630] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 632] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 630] <... futex resumed>) = 1 [pid 630] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 631] <... futex resumed>) = 0 [pid 631] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 4, 0) = 0x200000000000 [pid 631] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 630] <... futex resumed>) = 0 [pid 630] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 630] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 631] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 631] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 631] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 630] <... futex resumed>) = 0 [pid 630] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 630] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 631] creat(0x200000000040, 000) = 3 [pid 631] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 630] <... futex resumed>) = 0 [pid 630] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 630] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 631] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 631] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 630] <... futex resumed>) = 0 [pid 630] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 630] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 631] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 631] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 630] <... futex resumed>) = 0 [pid 630] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 630] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 631] write(5, 0x200000000080, 34136651) = 131072 [pid 631] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 630] <... futex resumed>) = 0 [pid 630] close(3) = 0 [pid 630] close(4) = 0 [pid 630] close(5) = 0 [pid 630] close(6) = -1 EBADF (Bad file descriptor) [pid 630] close(7) = -1 EBADF (Bad file descriptor) [pid 630] close(8) = -1 EBADF (Bad file descriptor) [pid 630] close(9) = -1 EBADF (Bad file descriptor) [pid 630] close(10) = -1 EBADF (Bad file descriptor) [pid 630] close(11) = -1 EBADF (Bad file descriptor) [pid 630] close(12) = -1 EBADF (Bad file descriptor) [pid 630] close(13) = -1 EBADF (Bad file descriptor) [pid 630] close(14) = -1 EBADF (Bad file descriptor) [pid 630] close(15) = -1 EBADF (Bad file descriptor) [pid 630] close(16) = -1 EBADF (Bad file descriptor) [pid 630] close(17) = -1 EBADF (Bad file descriptor) [pid 630] close(18) = -1 EBADF (Bad file descriptor) [pid 630] close(19) = -1 EBADF (Bad file descriptor) [pid 630] close(20) = -1 EBADF (Bad file descriptor) [pid 630] close(21) = -1 EBADF (Bad file descriptor) [pid 630] close(22) = -1 EBADF (Bad file descriptor) [pid 630] close(23) = -1 EBADF (Bad file descriptor) [pid 630] close(24) = -1 EBADF (Bad file descriptor) [pid 630] close(25) = -1 EBADF (Bad file descriptor) [pid 630] close(26) = -1 EBADF (Bad file descriptor) [pid 630] close(27) = -1 EBADF (Bad file descriptor) [pid 630] close(28) = -1 EBADF (Bad file descriptor) [pid 630] close(29) = -1 EBADF (Bad file descriptor) [pid 630] exit_group(0) = ? [pid 632] <... futex resumed>) = ? [pid 632] +++ exited with 0 +++ [pid 631] +++ exited with 0 +++ [pid 630] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=340, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 633 attached , child_tidptr=0x55555756f750) = 343 [pid 633] set_robust_list(0x55555756f760, 24) = 0 [pid 633] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 633] setpgid(0, 0) = 0 [pid 633] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 633] write(3, "1000", 4) = 4 [pid 633] close(3) = 0 executing program [pid 633] write(1, "executing program\n", 18) = 18 [pid 633] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 633] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 633] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 633] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 633] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 633] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 633] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0}./strace-static-x86_64: Process 634 attached => {parent_tid=[344]}, 88) = 344 [pid 634] set_robust_list(0x7f43bf65d9a0, 24 [pid 633] rt_sigprocmask(SIG_SETMASK, [], [pid 634] <... set_robust_list resumed>) = 0 [pid 633] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 634] rt_sigprocmask(SIG_SETMASK, [], [pid 633] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 634] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 633] <... futex resumed>) = 0 [pid 634] memfd_create("syzkaller", 0 [pid 633] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 633] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf61c000 [pid 633] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 633] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 633] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0}./strace-static-x86_64: Process 635 attached => {parent_tid=[345]}, 88) = 345 [pid 635] set_robust_list(0x7f43bf63c9a0, 24 [pid 633] rt_sigprocmask(SIG_SETMASK, [], [pid 635] <... set_robust_list resumed>) = 0 [pid 633] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 635] rt_sigprocmask(SIG_SETMASK, [], [pid 633] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000 [pid 635] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 633] <... futex resumed>) = 0 [pid 633] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 635] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 634] <... memfd_create resumed>) = 3 [pid 634] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b721c000 [pid 634] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 634] munmap(0x7f43b721c000, 138412032) = 0 [pid 634] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 634] ioctl(5, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 634] ioctl(5, LOOP_CLR_FD) = 0 [pid 634] ioctl(5, LOOP_SET_FD, 3 [pid 635] <... openat resumed>) = 4 [pid 635] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 633] <... futex resumed>) = 0 [pid 635] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 4, 0 [pid 633] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 633] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 635] <... mmap resumed>) = 0x200000000000 [pid 635] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 634] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 635] <... futex resumed>) = 1 [pid 633] <... futex resumed>) = 0 [pid 633] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 633] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 635] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 635] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 635] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 633] <... futex resumed>) = 0 [pid 633] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 633] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 635] creat(0x200000000040, 000 [pid 634] close(5 [pid 635] <... creat resumed>) = 6 [pid 635] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 635] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 633] <... futex resumed>) = 0 [pid 635] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 633] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000 [pid 635] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL [pid 633] <... futex resumed>) = 0 [pid 633] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 635] <... mount resumed>) = 0 [pid 635] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 633] <... futex resumed>) = 0 [pid 635] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c [pid 633] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 633] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 635] <... open resumed>) = 7 [pid 635] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 633] <... futex resumed>) = 0 [pid 635] write(7, 0x200000000080, 34136651 [pid 633] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000 [pid 634] <... close resumed>) = 0 [pid 633] <... futex resumed>) = 0 [pid 633] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 634] close(3) = 0 [pid 634] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 634] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 635] <... write resumed>) = 131072 [pid 635] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 633] <... futex resumed>) = 0 [pid 633] close(3) = -1 EBADF (Bad file descriptor) [pid 633] close(4) = 0 [pid 633] close(5) = -1 EBADF (Bad file descriptor) [pid 633] close(6 [pid 635] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 633] <... close resumed>) = 0 [pid 633] close(7) = 0 [pid 633] close(8) = -1 EBADF (Bad file descriptor) [pid 633] close(9) = -1 EBADF (Bad file descriptor) [pid 633] close(10) = -1 EBADF (Bad file descriptor) [pid 633] close(11) = -1 EBADF (Bad file descriptor) [pid 633] close(12) = -1 EBADF (Bad file descriptor) [pid 633] close(13) = -1 EBADF (Bad file descriptor) [pid 633] close(14) = -1 EBADF (Bad file descriptor) [pid 633] close(15) = -1 EBADF (Bad file descriptor) [pid 633] close(16) = -1 EBADF (Bad file descriptor) [pid 633] close(17) = -1 EBADF (Bad file descriptor) [pid 633] close(18) = -1 EBADF (Bad file descriptor) [pid 633] close(19) = -1 EBADF (Bad file descriptor) [pid 633] close(20) = -1 EBADF (Bad file descriptor) [pid 633] close(21) = -1 EBADF (Bad file descriptor) [pid 633] close(22) = -1 EBADF (Bad file descriptor) [pid 633] close(23) = -1 EBADF (Bad file descriptor) [pid 633] close(24) = -1 EBADF (Bad file descriptor) [pid 633] close(25) = -1 EBADF (Bad file descriptor) [pid 633] close(26) = -1 EBADF (Bad file descriptor) [pid 633] close(27) = -1 EBADF (Bad file descriptor) [pid 633] close(28) = -1 EBADF (Bad file descriptor) [pid 633] close(29) = -1 EBADF (Bad file descriptor) [pid 633] exit_group(0) = ? [pid 635] <... futex resumed>) = ? [pid 635] +++ exited with 0 +++ [pid 634] <... futex resumed>) = ? [pid 634] +++ exited with 0 +++ [pid 633] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=343, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756f750) = 346 ./strace-static-x86_64: Process 636 attached [pid 636] set_robust_list(0x55555756f760, 24) = 0 [pid 636] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 636] setpgid(0, 0) = 0 [pid 636] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 636] write(3, "1000", 4) = 4 executing program [pid 636] close(3) = 0 [pid 636] write(1, "executing program\n", 18) = 18 [pid 636] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 636] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 636] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 636] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 636] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 636] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 636] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0} => {parent_tid=[347]}, 88) = 347 [pid 636] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 636] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 636] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 636] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf61c000 [pid 636] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 636] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 636] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0} => {parent_tid=[348]}, 88) = 348 [pid 636] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 636] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 636] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 638 attached [pid 638] set_robust_list(0x7f43bf63c9a0, 24) = 0 [pid 638] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 638] openat(AT_FDCWD, "/selinux/policy", O_RDONLY./strace-static-x86_64: Process 637 attached [pid 637] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 637] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 637] memfd_create("syzkaller", 0) = 4 [pid 637] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b721c000 [pid 637] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 637] munmap(0x7f43b721c000, 138412032) = 0 [pid 637] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 637] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy) [pid 637] ioctl(5, LOOP_CLR_FD) = 0 [pid 638] <... openat resumed>) = 3 [pid 638] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 636] <... futex resumed>) = 0 [pid 636] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 636] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 637] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy) [pid 637] close(5) = 0 [pid 637] close(4 [pid 638] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 637] <... close resumed>) = 0 [pid 637] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 637] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 638] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 636] <... futex resumed>) = 0 [pid 636] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 636] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 637] <... futex resumed>) = 0 [pid 637] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 638] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 637] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 637] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 636] <... futex resumed>) = 0 [pid 636] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 636] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 637] <... futex resumed>) = 1 [pid 637] creat(0x200000000040, 000) = 4 [pid 637] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 636] <... futex resumed>) = 0 [pid 636] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 636] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 637] <... futex resumed>) = 1 [pid 637] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 637] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 636] <... futex resumed>) = 0 [pid 637] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 636] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 636] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 637] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 637] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 637] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 636] <... futex resumed>) = 0 [pid 637] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 636] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 636] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 637] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 637] write(5, 0x200000000080, 34136651) = 131072 [pid 637] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 636] <... futex resumed>) = 0 [pid 636] close(3) = 0 [pid 636] close(4) = 0 [pid 636] close(5) = 0 [pid 636] close(6) = -1 EBADF (Bad file descriptor) [pid 636] close(7) = -1 EBADF (Bad file descriptor) [pid 636] close(8) = -1 EBADF (Bad file descriptor) [pid 636] close(9) = -1 EBADF (Bad file descriptor) [pid 636] close(10) = -1 EBADF (Bad file descriptor) [pid 636] close(11) = -1 EBADF (Bad file descriptor) [pid 636] close(12) = -1 EBADF (Bad file descriptor) [pid 636] close(13) = -1 EBADF (Bad file descriptor) [pid 636] close(14) = -1 EBADF (Bad file descriptor) [pid 636] close(15) = -1 EBADF (Bad file descriptor) [pid 636] close(16) = -1 EBADF (Bad file descriptor) [pid 636] close(17) = -1 EBADF (Bad file descriptor) [pid 636] close(18) = -1 EBADF (Bad file descriptor) [pid 636] close(19) = -1 EBADF (Bad file descriptor) [pid 636] close(20) = -1 EBADF (Bad file descriptor) [pid 636] close(21) = -1 EBADF (Bad file descriptor) [pid 636] close(22) = -1 EBADF (Bad file descriptor) [pid 636] close(23) = -1 EBADF (Bad file descriptor) [pid 636] close(24) = -1 EBADF (Bad file descriptor) [pid 636] close(25) = -1 EBADF (Bad file descriptor) [pid 636] close(26) = -1 EBADF (Bad file descriptor) [pid 636] close(27) = -1 EBADF (Bad file descriptor) [pid 636] close(28) = -1 EBADF (Bad file descriptor) [pid 636] close(29) = -1 EBADF (Bad file descriptor) [pid 636] exit_group(0) = ? [pid 638] <... futex resumed>) = ? [pid 638] +++ exited with 0 +++ [pid 637] +++ exited with 0 +++ [pid 636] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=346, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 639 attached , child_tidptr=0x55555756f750) = 349 [pid 639] set_robust_list(0x55555756f760, 24) = 0 [pid 639] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 639] setpgid(0, 0) = 0 [pid 639] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 639] write(3, "1000", 4) = 4 [pid 639] close(3) = 0 executing program [pid 639] write(1, "executing program\n", 18) = 18 [pid 639] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 639] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 639] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 639] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 639] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 639] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 639] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0} => {parent_tid=[350]}, 88) = 350 [pid 639] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 639] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 639] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 639] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf61c000 [pid 639] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 639] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 639] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0} => {parent_tid=[351]}, 88) = 351 [pid 639] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 639] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 639] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 641 attached [pid 641] set_robust_list(0x7f43bf63c9a0, 24) = 0 [pid 641] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 641] openat(AT_FDCWD, "/selinux/policy", O_RDONLY./strace-static-x86_64: Process 640 attached [pid 640] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 640] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 640] memfd_create("syzkaller", 0) = 4 [pid 640] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b721c000 [pid 641] <... openat resumed>) = 3 [pid 641] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 639] <... futex resumed>) = 0 [pid 639] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 639] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 641] <... futex resumed>) = 1 [pid 641] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 641] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 639] <... futex resumed>) = 0 [pid 639] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 639] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 641] <... futex resumed>) = 1 [pid 641] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 641] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 641] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 639] <... futex resumed>) = 0 [pid 639] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 639] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 640] munmap(0x7f43b721c000, 138412032 [pid 641] <... futex resumed>) = 1 [pid 641] creat(0x200000000040, 000) = 5 [pid 641] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 639] <... futex resumed>) = 0 [pid 639] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 640] <... munmap resumed>) = 0 [pid 639] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 641] <... futex resumed>) = 1 [pid 641] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 641] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 639] <... futex resumed>) = 0 [pid 639] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 639] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 641] <... futex resumed>) = 1 [pid 641] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 6 [pid 641] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 639] <... futex resumed>) = 0 [pid 639] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 639] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 641] <... futex resumed>) = 1 [pid 641] write(6, 0x200000000080, 34136651 [pid 640] close(4) = 0 [pid 640] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 640] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 641] <... write resumed>) = 131072 [pid 641] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 639] <... futex resumed>) = 0 [pid 641] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 639] close(3) = 0 [pid 639] close(4) = -1 EBADF (Bad file descriptor) [pid 639] close(5) = 0 [pid 639] close(6) = 0 [pid 639] close(7) = -1 EBADF (Bad file descriptor) [pid 639] close(8) = -1 EBADF (Bad file descriptor) [pid 639] close(9) = -1 EBADF (Bad file descriptor) [pid 639] close(10) = -1 EBADF (Bad file descriptor) [pid 639] close(11) = -1 EBADF (Bad file descriptor) [pid 639] close(12) = -1 EBADF (Bad file descriptor) [pid 639] close(13) = -1 EBADF (Bad file descriptor) [pid 639] close(14) = -1 EBADF (Bad file descriptor) [pid 639] close(15) = -1 EBADF (Bad file descriptor) [pid 639] close(16) = -1 EBADF (Bad file descriptor) [pid 639] close(17) = -1 EBADF (Bad file descriptor) [pid 639] close(18) = -1 EBADF (Bad file descriptor) [pid 639] close(19) = -1 EBADF (Bad file descriptor) [pid 639] close(20) = -1 EBADF (Bad file descriptor) [pid 639] close(21) = -1 EBADF (Bad file descriptor) [pid 639] close(22) = -1 EBADF (Bad file descriptor) [pid 639] close(23) = -1 EBADF (Bad file descriptor) [pid 639] close(24) = -1 EBADF (Bad file descriptor) [pid 639] close(25) = -1 EBADF (Bad file descriptor) [pid 639] close(26) = -1 EBADF (Bad file descriptor) [pid 639] close(27) = -1 EBADF (Bad file descriptor) [pid 639] close(28) = -1 EBADF (Bad file descriptor) [pid 639] close(29) = -1 EBADF (Bad file descriptor) [pid 639] exit_group(0) = ? [pid 641] <... futex resumed>) = 231 [pid 640] <... futex resumed>) = ? [pid 641] +++ exited with 0 +++ [pid 640] +++ exited with 0 +++ [pid 639] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=349, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756f750) = 352 ./strace-static-x86_64: Process 642 attached [pid 642] set_robust_list(0x55555756f760, 24) = 0 [pid 642] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 642] setpgid(0, 0) = 0 [pid 642] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 642] write(3, "1000", 4) = 4 [pid 642] close(3) = 0 executing program [pid 642] write(1, "executing program\n", 18) = 18 [pid 642] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 642] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 642] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 642] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 642] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 642] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 642] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0}./strace-static-x86_64: Process 643 attached => {parent_tid=[353]}, 88) = 353 [pid 643] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 642] rt_sigprocmask(SIG_SETMASK, [], [pid 643] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 643] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 642] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 642] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 643] <... futex resumed>) = 0 [pid 642] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 643] memfd_create("syzkaller", 0 [pid 642] <... futex resumed>) = 0 [pid 643] <... memfd_create resumed>) = 3 [pid 643] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b723d000 [pid 642] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43b721c000 [pid 642] mprotect(0x7f43b721d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 642] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 642] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43b723c990, parent_tid=0x7f43b723c990, exit_signal=0, stack=0x7f43b721c000, stack_size=0x20240, tls=0x7f43b723c6c0}./strace-static-x86_64: Process 644 attached => {parent_tid=[354]}, 88) = 354 [pid 642] rt_sigprocmask(SIG_SETMASK, [], [pid 644] set_robust_list(0x7f43b723c9a0, 24 [pid 642] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 642] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000 [pid 644] <... set_robust_list resumed>) = 0 [pid 642] <... futex resumed>) = 0 [pid 642] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 644] rt_sigprocmask(SIG_SETMASK, [], [pid 643] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 644] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 644] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 643] <... write resumed>) = 131072 [pid 643] munmap(0x7f43b723d000, 138412032) = 0 [pid 643] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 643] ioctl(5, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 643] ioctl(5, LOOP_CLR_FD) = 0 [pid 643] ioctl(5, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 643] close(5) = 0 [pid 643] close(3) = 0 [pid 643] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 643] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 644] <... openat resumed>) = 4 [pid 644] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 642] <... futex resumed>) = 0 [pid 642] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 644] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 642] <... futex resumed>) = 1 [pid 643] <... futex resumed>) = 0 [pid 643] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 4, 0 [pid 642] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 643] <... mmap resumed>) = 0x200000000000 [pid 643] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 643] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 642] <... futex resumed>) = 0 [pid 642] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 643] <... futex resumed>) = 0 [pid 643] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 642] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 643] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 643] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 643] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 642] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 642] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 643] <... futex resumed>) = 0 [pid 642] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 643] creat(0x200000000040, 000) = 3 [pid 643] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 642] <... futex resumed>) = 0 [pid 642] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 642] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 643] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 643] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 642] <... futex resumed>) = 0 [pid 642] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 642] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 643] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 643] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 642] <... futex resumed>) = 0 [pid 642] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 642] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 643] write(5, 0x200000000080, 34136651) = 131072 [pid 643] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 642] <... futex resumed>) = 0 [pid 642] close(3) = 0 [pid 642] close(4) = 0 [pid 642] close(5) = 0 [pid 642] close(6) = -1 EBADF (Bad file descriptor) [pid 642] close(7) = -1 EBADF (Bad file descriptor) [pid 642] close(8) = -1 EBADF (Bad file descriptor) [pid 642] close(9) = -1 EBADF (Bad file descriptor) [pid 642] close(10) = -1 EBADF (Bad file descriptor) [pid 642] close(11) = -1 EBADF (Bad file descriptor) [pid 642] close(12) = -1 EBADF (Bad file descriptor) [pid 642] close(13) = -1 EBADF (Bad file descriptor) [pid 642] close(14) = -1 EBADF (Bad file descriptor) [pid 642] close(15) = -1 EBADF (Bad file descriptor) [pid 642] close(16) = -1 EBADF (Bad file descriptor) [pid 642] close(17) = -1 EBADF (Bad file descriptor) [pid 642] close(18) = -1 EBADF (Bad file descriptor) [pid 642] close(19) = -1 EBADF (Bad file descriptor) [pid 642] close(20) = -1 EBADF (Bad file descriptor) [pid 642] close(21) = -1 EBADF (Bad file descriptor) [pid 642] close(22) = -1 EBADF (Bad file descriptor) [pid 642] close(23) = -1 EBADF (Bad file descriptor) [pid 642] close(24) = -1 EBADF (Bad file descriptor) [pid 642] close(25) = -1 EBADF (Bad file descriptor) [pid 642] close(26) = -1 EBADF (Bad file descriptor) [pid 642] close(27) = -1 EBADF (Bad file descriptor) [pid 642] close(28) = -1 EBADF (Bad file descriptor) [pid 642] close(29) = -1 EBADF (Bad file descriptor) [pid 642] exit_group(0) = ? [pid 644] <... futex resumed>) = ? [pid 643] +++ exited with 0 +++ [pid 644] +++ exited with 0 +++ [pid 642] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=352, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 645 attached , child_tidptr=0x55555756f750) = 355 [pid 645] set_robust_list(0x55555756f760, 24) = 0 [pid 645] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 645] setpgid(0, 0) = 0 [pid 645] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 645] write(3, "1000", 4) = 4 [pid 645] close(3) = 0 [pid 645] write(1, "executing program\n", 18executing program ) = 18 [pid 645] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 645] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 645] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 645] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 645] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 645] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 645] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0} => {parent_tid=[356]}, 88) = 356 [pid 645] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 645] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 645] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 645] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf61c000 [pid 645] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 645] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 645] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0} => {parent_tid=[357]}, 88) = 357 [pid 645] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 645] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 645] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 647 attached [pid 647] set_robust_list(0x7f43bf63c9a0, 24) = 0 [pid 647] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 647] openat(AT_FDCWD, "/selinux/policy", O_RDONLY./strace-static-x86_64: Process 646 attached ) = 3 [pid 647] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 645] <... futex resumed>) = 0 [pid 647] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0 [pid 645] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 645] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 647] <... mmap resumed>) = 0x200000000000 [pid 647] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 645] <... futex resumed>) = 0 [pid 645] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 645] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 646] set_robust_list(0x7f43bf65d9a0, 24 [pid 647] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 647] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 646] <... set_robust_list resumed>) = 0 [pid 647] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 645] <... futex resumed>) = 0 [pid 646] rt_sigprocmask(SIG_SETMASK, [], [pid 645] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 646] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 645] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 647] creat(0x200000000040, 000 [pid 646] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000002180} --- [pid 647] <... creat resumed>) = 4 [pid 646] memfd_create("syzkaller", 0 [pid 647] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 645] <... futex resumed>) = 0 [pid 647] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL [pid 645] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000 [pid 646] <... memfd_create resumed>) = 5 [pid 645] <... futex resumed>) = 0 [pid 645] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 646] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b721c000 [pid 647] <... mount resumed>) = 0 [pid 646] munmap(0x7f43b721c000, 138412032 [pid 647] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 645] <... futex resumed>) = 0 [pid 647] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c [pid 645] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000 [pid 646] <... munmap resumed>) = 0 [pid 645] <... futex resumed>) = 0 [pid 645] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 646] close(5 [pid 647] <... open resumed>) = 6 [pid 647] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 645] <... futex resumed>) = 0 [pid 647] write(6, 0x200000000080, 34136651 [pid 645] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000 [pid 646] <... close resumed>) = 0 [pid 645] <... futex resumed>) = 0 [pid 645] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 646] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 646] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 647] <... write resumed>) = 131072 [pid 647] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 645] <... futex resumed>) = 0 [pid 645] close(3) = 0 [pid 645] close(4) = 0 [pid 645] close(5) = -1 EBADF (Bad file descriptor) [pid 645] close(6) = 0 [pid 645] close(7) = -1 EBADF (Bad file descriptor) [pid 645] close(8) = -1 EBADF (Bad file descriptor) [pid 645] close(9) = -1 EBADF (Bad file descriptor) [pid 645] close(10) = -1 EBADF (Bad file descriptor) [pid 645] close(11) = -1 EBADF (Bad file descriptor) [pid 645] close(12) = -1 EBADF (Bad file descriptor) [pid 645] close(13) = -1 EBADF (Bad file descriptor) [pid 645] close(14) = -1 EBADF (Bad file descriptor) [pid 645] close(15) = -1 EBADF (Bad file descriptor) [pid 645] close(16) = -1 EBADF (Bad file descriptor) [pid 645] close(17) = -1 EBADF (Bad file descriptor) [pid 645] close(18) = -1 EBADF (Bad file descriptor) [pid 645] close(19) = -1 EBADF (Bad file descriptor) [pid 645] close(20) = -1 EBADF (Bad file descriptor) [pid 645] close(21) = -1 EBADF (Bad file descriptor) [pid 645] close(22) = -1 EBADF (Bad file descriptor) [pid 645] close(23) = -1 EBADF (Bad file descriptor) [pid 645] close(24) = -1 EBADF (Bad file descriptor) [pid 645] close(25) = -1 EBADF (Bad file descriptor) [pid 645] close(26) = -1 EBADF (Bad file descriptor) [pid 645] close(27) = -1 EBADF (Bad file descriptor) [pid 645] close(28) = -1 EBADF (Bad file descriptor) [pid 645] close(29) = -1 EBADF (Bad file descriptor) [pid 645] exit_group(0) = ? [pid 647] +++ exited with 0 +++ [pid 646] <... futex resumed>) = ? [pid 646] +++ exited with 0 +++ [pid 645] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=355, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756f750) = 358 ./strace-static-x86_64: Process 648 attached [pid 648] set_robust_list(0x55555756f760, 24) = 0 [pid 648] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 648] setpgid(0, 0) = 0 [pid 648] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 648] write(3, "1000", 4) = 4 [pid 648] close(3) = 0 [pid 648] write(1, "executing program\n", 18executing program ) = 18 [pid 648] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 648] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 648] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 648] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 648] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 648] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 648] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0}./strace-static-x86_64: Process 649 attached => {parent_tid=[359]}, 88) = 359 [pid 649] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 649] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 649] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 648] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 648] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 649] <... futex resumed>) = 0 [pid 648] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 649] memfd_create("syzkaller", 0) = 3 [pid 649] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b723d000 [pid 648] <... futex resumed>) = 0 [pid 648] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43b721c000 [pid 648] mprotect(0x7f43b721d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 648] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 648] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43b723c990, parent_tid=0x7f43b723c990, exit_signal=0, stack=0x7f43b721c000, stack_size=0x20240, tls=0x7f43b723c6c0}./strace-static-x86_64: Process 650 attached => {parent_tid=[360]}, 88) = 360 [pid 649] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 648] rt_sigprocmask(SIG_SETMASK, [], [pid 650] set_robust_list(0x7f43b723c9a0, 24 [pid 648] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 650] <... set_robust_list resumed>) = 0 [pid 648] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 650] rt_sigprocmask(SIG_SETMASK, [], [pid 648] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 649] <... write resumed>) = 131072 [pid 649] munmap(0x7f43b723d000, 138412032 [pid 650] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 649] <... munmap resumed>) = 0 [pid 649] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 649] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 649] ioctl(4, LOOP_CLR_FD) = 0 [pid 650] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 649] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 649] close(4) = 0 [pid 649] close(3) = 0 [pid 649] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 649] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 650] <... openat resumed>) = 5 [pid 650] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 648] <... futex resumed>) = 0 [pid 648] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 648] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 649] <... futex resumed>) = 0 [pid 649] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 5, 0) = 0x200000000000 [pid 649] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 648] <... futex resumed>) = 0 [pid 648] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 648] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 649] <... futex resumed>) = 1 [pid 649] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 649] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 649] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 648] <... futex resumed>) = 0 [pid 648] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 648] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 649] <... futex resumed>) = 1 [pid 649] creat(0x200000000040, 000) = 3 [pid 650] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 649] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 648] <... futex resumed>) = 0 [pid 648] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 648] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 649] <... futex resumed>) = 1 [pid 649] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 649] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 648] <... futex resumed>) = 0 [pid 648] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 648] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 649] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 4 [pid 649] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 648] <... futex resumed>) = 0 [pid 648] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 648] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 649] write(4, 0x200000000080, 34136651) = 131072 [pid 649] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 648] <... futex resumed>) = 0 [pid 648] close(3) = 0 [pid 648] close(4) = 0 [pid 648] close(5) = 0 [pid 648] close(6) = -1 EBADF (Bad file descriptor) [pid 648] close(7) = -1 EBADF (Bad file descriptor) [pid 648] close(8 [pid 649] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 648] close(9) = -1 EBADF (Bad file descriptor) [pid 648] close(10) = -1 EBADF (Bad file descriptor) [pid 648] close(11) = -1 EBADF (Bad file descriptor) [pid 648] close(12) = -1 EBADF (Bad file descriptor) [pid 648] close(13) = -1 EBADF (Bad file descriptor) [pid 648] close(14) = -1 EBADF (Bad file descriptor) [pid 648] close(15) = -1 EBADF (Bad file descriptor) [pid 648] close(16) = -1 EBADF (Bad file descriptor) [pid 648] close(17) = -1 EBADF (Bad file descriptor) [pid 648] close(18) = -1 EBADF (Bad file descriptor) [pid 648] close(19) = -1 EBADF (Bad file descriptor) [pid 648] close(20) = -1 EBADF (Bad file descriptor) [pid 648] close(21) = -1 EBADF (Bad file descriptor) [pid 648] close(22) = -1 EBADF (Bad file descriptor) [pid 648] close(23) = -1 EBADF (Bad file descriptor) [pid 648] close(24) = -1 EBADF (Bad file descriptor) [pid 648] close(25) = -1 EBADF (Bad file descriptor) [pid 648] close(26) = -1 EBADF (Bad file descriptor) [pid 648] close(27) = -1 EBADF (Bad file descriptor) [pid 648] close(28) = -1 EBADF (Bad file descriptor) [pid 648] close(29) = -1 EBADF (Bad file descriptor) [pid 648] exit_group(0) = ? [pid 650] <... futex resumed>) = ? [pid 649] <... futex resumed>) = ? [pid 650] +++ exited with 0 +++ [pid 649] +++ exited with 0 +++ [pid 648] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=358, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756f750) = 361 ./strace-static-x86_64: Process 651 attached [pid 651] set_robust_list(0x55555756f760, 24) = 0 [pid 651] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 651] setpgid(0, 0) = 0 [pid 651] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 651] write(3, "1000", 4) = 4 [pid 651] close(3) = 0 executing program [pid 651] write(1, "executing program\n", 18) = 18 [pid 651] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 651] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 651] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 651] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 651] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 651] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 651] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0}./strace-static-x86_64: Process 652 attached => {parent_tid=[362]}, 88) = 362 [pid 652] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 652] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 652] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 651] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 651] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 652] <... futex resumed>) = 0 [pid 651] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 652] memfd_create("syzkaller", 0 [pid 651] <... futex resumed>) = 0 [pid 652] <... memfd_create resumed>) = 3 [pid 652] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b723d000 [pid 651] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43b721c000 [pid 651] mprotect(0x7f43b721d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 651] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 651] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43b723c990, parent_tid=0x7f43b723c990, exit_signal=0, stack=0x7f43b721c000, stack_size=0x20240, tls=0x7f43b723c6c0}./strace-static-x86_64: Process 653 attached => {parent_tid=[363]}, 88) = 363 [pid 651] rt_sigprocmask(SIG_SETMASK, [], [pid 653] set_robust_list(0x7f43b723c9a0, 24 [pid 651] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 651] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000 [pid 653] <... set_robust_list resumed>) = 0 [pid 651] <... futex resumed>) = 0 [pid 653] rt_sigprocmask(SIG_SETMASK, [], [pid 652] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 651] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 653] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 653] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 652] <... write resumed>) = 131072 [pid 652] munmap(0x7f43b723d000, 138412032) = 0 [pid 652] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 652] ioctl(5, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 652] ioctl(5, LOOP_CLR_FD) = 0 [pid 652] ioctl(5, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 652] close(5) = 0 [pid 652] close(3) = 0 [pid 652] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 652] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 653] <... openat resumed>) = 4 [pid 653] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 651] <... futex resumed>) = 0 [pid 651] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 651] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 652] <... futex resumed>) = 0 [pid 653] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 652] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 4, 0) = 0x200000000000 [pid 652] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 651] <... futex resumed>) = 0 [pid 651] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 651] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 652] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 652] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 652] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 651] <... futex resumed>) = 0 [pid 651] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 651] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 652] creat(0x200000000040, 000) = 3 [pid 652] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 651] <... futex resumed>) = 0 [pid 651] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 651] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 652] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 652] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 651] <... futex resumed>) = 0 [pid 651] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 651] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 652] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 652] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 651] <... futex resumed>) = 0 [pid 651] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 651] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 652] write(5, 0x200000000080, 34136651) = 131072 [pid 652] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 651] <... futex resumed>) = 0 [pid 651] close(3) = 0 [pid 651] close(4) = 0 [pid 651] close(5) = 0 [pid 651] close(6) = -1 EBADF (Bad file descriptor) [pid 651] close(7) = -1 EBADF (Bad file descriptor) [pid 651] close(8) = -1 EBADF (Bad file descriptor) [pid 651] close(9) = -1 EBADF (Bad file descriptor) [pid 651] close(10) = -1 EBADF (Bad file descriptor) [pid 651] close(11) = -1 EBADF (Bad file descriptor) [pid 651] close(12) = -1 EBADF (Bad file descriptor) [pid 651] close(13) = -1 EBADF (Bad file descriptor) [pid 651] close(14) = -1 EBADF (Bad file descriptor) [pid 651] close(15) = -1 EBADF (Bad file descriptor) [pid 651] close(16) = -1 EBADF (Bad file descriptor) [pid 651] close(17) = -1 EBADF (Bad file descriptor) [pid 651] close(18) = -1 EBADF (Bad file descriptor) [pid 651] close(19) = -1 EBADF (Bad file descriptor) [pid 651] close(20) = -1 EBADF (Bad file descriptor) [pid 651] close(21) = -1 EBADF (Bad file descriptor) [pid 651] close(22) = -1 EBADF (Bad file descriptor) [pid 651] close(23) = -1 EBADF (Bad file descriptor) [pid 651] close(24) = -1 EBADF (Bad file descriptor) [pid 651] close(25) = -1 EBADF (Bad file descriptor) [pid 651] close(26) = -1 EBADF (Bad file descriptor) [pid 651] close(27) = -1 EBADF (Bad file descriptor) [pid 651] close(28) = -1 EBADF (Bad file descriptor) [pid 651] close(29) = -1 EBADF (Bad file descriptor) [pid 651] exit_group(0) = ? [pid 653] <... futex resumed>) = ? [pid 653] +++ exited with 0 +++ [pid 652] +++ exited with 0 +++ [pid 651] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=361, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756f750) = 364 ./strace-static-x86_64: Process 654 attached [pid 654] set_robust_list(0x55555756f760, 24) = 0 [pid 654] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 654] setpgid(0, 0) = 0 [pid 654] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 654] write(3, "1000", 4) = 4 [pid 654] close(3) = 0 [pid 654] write(1, "executing program\n", 18executing program ) = 18 [pid 654] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 654] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 654] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 654] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 654] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 654] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 654] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0}./strace-static-x86_64: Process 655 attached => {parent_tid=[365]}, 88) = 365 [pid 655] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 655] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 655] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 654] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 654] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 655] <... futex resumed>) = 0 [pid 654] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 655] memfd_create("syzkaller", 0) = 3 [pid 655] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b723d000 [pid 654] <... futex resumed>) = 0 [pid 654] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43b721c000 [pid 654] mprotect(0x7f43b721d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 654] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 654] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43b723c990, parent_tid=0x7f43b723c990, exit_signal=0, stack=0x7f43b721c000, stack_size=0x20240, tls=0x7f43b723c6c0} [pid 655] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072./strace-static-x86_64: Process 656 attached [pid 654] <... clone3 resumed> => {parent_tid=[366]}, 88) = 366 [pid 656] set_robust_list(0x7f43b723c9a0, 24 [pid 655] <... write resumed>) = 131072 [pid 656] <... set_robust_list resumed>) = 0 [pid 654] rt_sigprocmask(SIG_SETMASK, [], [pid 655] munmap(0x7f43b723d000, 138412032 [pid 654] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 654] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 654] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 656] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 656] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 655] <... munmap resumed>) = 0 [pid 655] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 655] ioctl(5, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 655] ioctl(5, LOOP_CLR_FD) = 0 [pid 655] ioctl(5, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 655] close(5) = 0 [pid 655] close(3) = 0 [pid 655] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 655] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 656] <... openat resumed>) = 4 [pid 656] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 656] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 654] <... futex resumed>) = 0 [pid 654] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 654] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 655] <... futex resumed>) = 0 [pid 655] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 4, 0) = 0x200000000000 [pid 655] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 654] <... futex resumed>) = 0 [pid 654] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 654] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 655] <... futex resumed>) = 1 [pid 655] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 655] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 655] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 654] <... futex resumed>) = 0 [pid 654] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 654] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 655] <... futex resumed>) = 1 [pid 655] creat(0x200000000040, 000) = 3 [pid 655] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 654] <... futex resumed>) = 0 [pid 654] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 654] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 655] <... futex resumed>) = 1 [pid 655] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 655] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 655] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 654] <... futex resumed>) = 0 [pid 654] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 654] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 655] <... futex resumed>) = 0 [pid 655] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 655] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 654] <... futex resumed>) = 0 [pid 654] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 654] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 655] <... futex resumed>) = 1 [pid 655] write(5, 0x200000000080, 34136651) = 131072 [pid 655] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 654] <... futex resumed>) = 0 [pid 654] close(3) = 0 [pid 654] close(4) = 0 [pid 654] close(5) = 0 [pid 654] close(6) = -1 EBADF (Bad file descriptor) [pid 654] close(7) = -1 EBADF (Bad file descriptor) [pid 654] close(8) = -1 EBADF (Bad file descriptor) [pid 654] close(9) = -1 EBADF (Bad file descriptor) [pid 654] close(10) = -1 EBADF (Bad file descriptor) [pid 654] close(11) = -1 EBADF (Bad file descriptor) [pid 654] close(12) = -1 EBADF (Bad file descriptor) [pid 654] close(13) = -1 EBADF (Bad file descriptor) [pid 654] close(14) = -1 EBADF (Bad file descriptor) [pid 654] close(15) = -1 EBADF (Bad file descriptor) [pid 654] close(16) = -1 EBADF (Bad file descriptor) [pid 654] close(17) = -1 EBADF (Bad file descriptor) [pid 654] close(18) = -1 EBADF (Bad file descriptor) [pid 654] close(19) = -1 EBADF (Bad file descriptor) [pid 654] close(20) = -1 EBADF (Bad file descriptor) [pid 654] close(21) = -1 EBADF (Bad file descriptor) [pid 654] close(22) = -1 EBADF (Bad file descriptor) [pid 654] close(23) = -1 EBADF (Bad file descriptor) [pid 654] close(24) = -1 EBADF (Bad file descriptor) [pid 654] close(25) = -1 EBADF (Bad file descriptor) [pid 654] close(26) = -1 EBADF (Bad file descriptor) [pid 654] close(27) = -1 EBADF (Bad file descriptor) [pid 654] close(28) = -1 EBADF (Bad file descriptor) [pid 654] close(29) = -1 EBADF (Bad file descriptor) [pid 654] exit_group(0) = ? [pid 656] <... futex resumed>) = ? [pid 655] <... futex resumed>) = ? [pid 655] +++ exited with 0 +++ [pid 656] +++ exited with 0 +++ [pid 654] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=364, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756f750) = 367 ./strace-static-x86_64: Process 657 attached [pid 657] set_robust_list(0x55555756f760, 24) = 0 [pid 657] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 657] setpgid(0, 0) = 0 [pid 657] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 657] write(3, "1000", 4) = 4 [pid 657] close(3) = 0 [pid 657] write(1, "executing program\n", 18executing program ) = 18 [pid 657] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 657] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 657] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 657] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 657] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 657] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 657] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0} => {parent_tid=[368]}, 88) = 368 [pid 657] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 657] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 657] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 657] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf61c000 [pid 657] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 657] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 657] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0} => {parent_tid=[369]}, 88) = 369 [pid 657] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 657] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 657] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 659 attached [pid 659] set_robust_list(0x7f43bf63c9a0, 24) = 0 [pid 659] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 659] openat(AT_FDCWD, "/selinux/policy", O_RDONLY./strace-static-x86_64: Process 658 attached [pid 658] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 658] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 658] memfd_create("syzkaller", 0) = 4 [pid 658] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b721c000 [pid 658] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 658] munmap(0x7f43b721c000, 138412032) = 0 [pid 658] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 658] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy) [pid 658] ioctl(5, LOOP_CLR_FD [pid 659] <... openat resumed>) = 3 [pid 658] <... ioctl resumed>) = 0 [pid 659] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 659] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 657] <... futex resumed>) = 0 [pid 657] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 657] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 659] <... futex resumed>) = 0 [pid 659] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 659] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 657] <... futex resumed>) = 0 [pid 657] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 657] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 659] <... futex resumed>) = 1 [pid 658] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy) [pid 658] close(5) = 0 [pid 658] close(4 [pid 659] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 659] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 659] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 657] <... futex resumed>) = 0 [pid 657] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 657] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 659] <... futex resumed>) = 1 [pid 659] creat(0x200000000040, 000 [pid 658] <... close resumed>) = 0 [pid 659] <... creat resumed>) = 4 [pid 659] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 657] <... futex resumed>) = 0 [pid 657] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 657] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 659] <... futex resumed>) = 1 [pid 659] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 658] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 659] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 657] <... futex resumed>) = 0 [pid 657] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 657] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 659] <... futex resumed>) = 1 [pid 659] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 657] <... futex resumed>) = 0 [pid 657] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 658] <... futex resumed>) = 1 [pid 658] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 658] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 657] <... futex resumed>) = 0 [pid 657] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 657] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 658] write(5, 0x200000000080, 34136651) = 131072 [pid 658] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 657] <... futex resumed>) = 0 [pid 657] close(3) = 0 [pid 657] close(4) = 0 [pid 657] close(5) = 0 [pid 657] close(6) = -1 EBADF (Bad file descriptor) [pid 657] close(7) = -1 EBADF (Bad file descriptor) [pid 657] close(8) = -1 EBADF (Bad file descriptor) [pid 657] close(9) = -1 EBADF (Bad file descriptor) [pid 657] close(10) = -1 EBADF (Bad file descriptor) [pid 657] close(11) = -1 EBADF (Bad file descriptor) [pid 657] close(12) = -1 EBADF (Bad file descriptor) [pid 657] close(13) = -1 EBADF (Bad file descriptor) [pid 657] close(14) = -1 EBADF (Bad file descriptor) [pid 657] close(15) = -1 EBADF (Bad file descriptor) [pid 657] close(16) = -1 EBADF (Bad file descriptor) [pid 657] close(17) = -1 EBADF (Bad file descriptor) [pid 657] close(18) = -1 EBADF (Bad file descriptor) [pid 657] close(19) = -1 EBADF (Bad file descriptor) [pid 657] close(20) = -1 EBADF (Bad file descriptor) [pid 657] close(21) = -1 EBADF (Bad file descriptor) [pid 657] close(22) = -1 EBADF (Bad file descriptor) [pid 657] close(23) = -1 EBADF (Bad file descriptor) [pid 657] close(24) = -1 EBADF (Bad file descriptor) [pid 657] close(25) = -1 EBADF (Bad file descriptor) [pid 657] close(26) = -1 EBADF (Bad file descriptor) [pid 657] close(27) = -1 EBADF (Bad file descriptor) [pid 657] close(28) = -1 EBADF (Bad file descriptor) [pid 657] close(29) = -1 EBADF (Bad file descriptor) [pid 657] exit_group(0) = ? [pid 659] <... futex resumed>) = ? [pid 659] +++ exited with 0 +++ [pid 658] +++ exited with 0 +++ [pid 657] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=367, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 660 attached , child_tidptr=0x55555756f750) = 370 [pid 660] set_robust_list(0x55555756f760, 24) = 0 [pid 660] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 660] setpgid(0, 0) = 0 [pid 660] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 660] write(3, "1000", 4) = 4 [pid 660] close(3executing program ) = 0 [pid 660] write(1, "executing program\n", 18) = 18 [pid 660] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 660] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 660] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 660] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 660] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 660] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 660] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0}./strace-static-x86_64: Process 661 attached => {parent_tid=[371]}, 88) = 371 [pid 661] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 661] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 661] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 660] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 660] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 661] <... futex resumed>) = 0 [pid 660] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 661] memfd_create("syzkaller", 0) = 3 [pid 660] <... futex resumed>) = 0 [pid 661] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b723d000 [pid 660] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43b721c000 [pid 660] mprotect(0x7f43b721d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 660] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 660] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43b723c990, parent_tid=0x7f43b723c990, exit_signal=0, stack=0x7f43b721c000, stack_size=0x20240, tls=0x7f43b723c6c0}./strace-static-x86_64: Process 662 attached => {parent_tid=[372]}, 88) = 372 [pid 662] set_robust_list(0x7f43b723c9a0, 24 [pid 660] rt_sigprocmask(SIG_SETMASK, [], [pid 661] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 660] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 662] <... set_robust_list resumed>) = 0 [pid 660] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000 [pid 662] rt_sigprocmask(SIG_SETMASK, [], [pid 660] <... futex resumed>) = 0 [pid 662] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 660] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 662] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 661] <... write resumed>) = 131072 [pid 661] munmap(0x7f43b723d000, 138412032) = 0 [pid 661] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 661] ioctl(5, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 661] ioctl(5, LOOP_CLR_FD) = 0 [pid 661] ioctl(5, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 661] close(5) = 0 [pid 661] close(3) = 0 [pid 661] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 661] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 662] <... openat resumed>) = 4 [pid 662] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 660] <... futex resumed>) = 0 [pid 660] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 660] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 661] <... futex resumed>) = 0 [pid 661] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 4, 0 [pid 662] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 661] <... mmap resumed>) = 0x200000000000 [pid 661] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 660] <... futex resumed>) = 0 [pid 660] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 660] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 661] <... futex resumed>) = 1 [pid 661] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 661] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 661] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 660] <... futex resumed>) = 0 [pid 660] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 660] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 661] <... futex resumed>) = 1 [pid 661] creat(0x200000000040, 000) = 3 [pid 661] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 660] <... futex resumed>) = 0 [pid 660] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 660] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 661] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 661] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 660] <... futex resumed>) = 0 [pid 660] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 660] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 661] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 661] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 660] <... futex resumed>) = 0 [pid 660] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 660] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 661] write(5, 0x200000000080, 34136651) = 131072 [pid 661] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 660] <... futex resumed>) = 0 [pid 660] close(3) = 0 [pid 660] close(4) = 0 [pid 660] close(5) = 0 [pid 660] close(6) = -1 EBADF (Bad file descriptor) [pid 660] close(7) = -1 EBADF (Bad file descriptor) [pid 660] close(8) = -1 EBADF (Bad file descriptor) [pid 660] close(9) = -1 EBADF (Bad file descriptor) [pid 660] close(10) = -1 EBADF (Bad file descriptor) [pid 660] close(11) = -1 EBADF (Bad file descriptor) [pid 660] close(12) = -1 EBADF (Bad file descriptor) [pid 660] close(13) = -1 EBADF (Bad file descriptor) [pid 660] close(14) = -1 EBADF (Bad file descriptor) [pid 660] close(15) = -1 EBADF (Bad file descriptor) [pid 660] close(16) = -1 EBADF (Bad file descriptor) [pid 660] close(17) = -1 EBADF (Bad file descriptor) [pid 660] close(18) = -1 EBADF (Bad file descriptor) [pid 660] close(19) = -1 EBADF (Bad file descriptor) [pid 660] close(20) = -1 EBADF (Bad file descriptor) [pid 660] close(21) = -1 EBADF (Bad file descriptor) [pid 660] close(22) = -1 EBADF (Bad file descriptor) [pid 660] close(23) = -1 EBADF (Bad file descriptor) [pid 660] close(24) = -1 EBADF (Bad file descriptor) [pid 660] close(25) = -1 EBADF (Bad file descriptor) [pid 660] close(26) = -1 EBADF (Bad file descriptor) [pid 660] close(27) = -1 EBADF (Bad file descriptor) [pid 660] close(28) = -1 EBADF (Bad file descriptor) [pid 660] close(29) = -1 EBADF (Bad file descriptor) [pid 660] exit_group(0) = ? [pid 662] <... futex resumed>) = ? [pid 662] +++ exited with 0 +++ [pid 661] +++ exited with 0 +++ [pid 660] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=370, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 663 attached , child_tidptr=0x55555756f750) = 373 [pid 663] set_robust_list(0x55555756f760, 24) = 0 [pid 663] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 663] setpgid(0, 0) = 0 [pid 663] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 663] write(3, "1000", 4) = 4 [pid 663] close(3) = 0 [pid 663] write(1, "executing program\n", 18executing program ) = 18 [pid 663] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 663] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 663] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 663] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 663] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 663] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 663] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0}./strace-static-x86_64: Process 664 attached => {parent_tid=[374]}, 88) = 374 [pid 664] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 664] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 664] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 663] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 663] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 664] <... futex resumed>) = 0 [pid 663] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 664] memfd_create("syzkaller", 0) = 3 [pid 663] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 664] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b723d000 [pid 663] <... mmap resumed>) = 0x7f43b721c000 [pid 663] mprotect(0x7f43b721d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 663] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 663] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43b723c990, parent_tid=0x7f43b723c990, exit_signal=0, stack=0x7f43b721c000, stack_size=0x20240, tls=0x7f43b723c6c0}./strace-static-x86_64: Process 665 attached [pid 665] set_robust_list(0x7f43b723c9a0, 24 [pid 663] <... clone3 resumed> => {parent_tid=[375]}, 88) = 375 [pid 663] rt_sigprocmask(SIG_SETMASK, [], [pid 665] <... set_robust_list resumed>) = 0 [pid 663] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 664] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 665] rt_sigprocmask(SIG_SETMASK, [], [pid 663] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 665] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 663] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 665] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 664] <... write resumed>) = 131072 [pid 664] munmap(0x7f43b723d000, 138412032) = 0 [pid 664] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 664] ioctl(5, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 664] ioctl(5, LOOP_CLR_FD) = 0 [pid 664] ioctl(5, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 664] close(5) = 0 [pid 664] close(3) = 0 [pid 664] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 664] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 665] <... openat resumed>) = 4 [pid 665] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 663] <... futex resumed>) = 0 [pid 663] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 663] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 664] <... futex resumed>) = 0 [pid 664] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 4, 0 [pid 665] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 664] <... mmap resumed>) = 0x200000000000 [pid 664] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 663] <... futex resumed>) = 0 [pid 663] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 663] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 664] <... futex resumed>) = 1 [pid 664] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 664] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 664] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 663] <... futex resumed>) = 0 [pid 663] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 663] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 664] creat(0x200000000040, 000) = 3 [pid 664] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 663] <... futex resumed>) = 0 [pid 663] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 663] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 664] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 664] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 663] <... futex resumed>) = 0 [pid 663] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 663] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 664] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 664] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 663] <... futex resumed>) = 0 [pid 663] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 663] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 664] write(5, 0x200000000080, 34136651) = 131072 [pid 664] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 663] <... futex resumed>) = 0 [pid 663] close(3) = 0 [pid 663] close(4) = 0 [pid 663] close(5) = 0 [pid 663] close(6) = -1 EBADF (Bad file descriptor) [pid 663] close(7) = -1 EBADF (Bad file descriptor) [pid 663] close(8) = -1 EBADF (Bad file descriptor) [pid 663] close(9) = -1 EBADF (Bad file descriptor) [pid 663] close(10) = -1 EBADF (Bad file descriptor) [pid 663] close(11) = -1 EBADF (Bad file descriptor) [pid 663] close(12) = -1 EBADF (Bad file descriptor) [pid 663] close(13) = -1 EBADF (Bad file descriptor) [pid 663] close(14) = -1 EBADF (Bad file descriptor) [pid 663] close(15) = -1 EBADF (Bad file descriptor) [pid 663] close(16) = -1 EBADF (Bad file descriptor) [pid 663] close(17) = -1 EBADF (Bad file descriptor) [pid 663] close(18) = -1 EBADF (Bad file descriptor) [pid 663] close(19) = -1 EBADF (Bad file descriptor) [pid 663] close(20) = -1 EBADF (Bad file descriptor) [pid 663] close(21) = -1 EBADF (Bad file descriptor) [pid 663] close(22) = -1 EBADF (Bad file descriptor) [pid 663] close(23) = -1 EBADF (Bad file descriptor) [pid 663] close(24) = -1 EBADF (Bad file descriptor) [pid 663] close(25) = -1 EBADF (Bad file descriptor) [pid 663] close(26) = -1 EBADF (Bad file descriptor) [pid 663] close(27) = -1 EBADF (Bad file descriptor) [pid 663] close(28) = -1 EBADF (Bad file descriptor) [pid 663] close(29) = -1 EBADF (Bad file descriptor) [pid 663] exit_group(0) = ? [pid 665] <... futex resumed>) = ? [pid 664] +++ exited with 0 +++ [pid 665] +++ exited with 0 +++ [pid 663] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=373, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 666 attached [pid 666] set_robust_list(0x55555756f760, 24 [pid 289] <... clone resumed>, child_tidptr=0x55555756f750) = 376 [pid 666] <... set_robust_list resumed>) = 0 [pid 666] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 666] setpgid(0, 0) = 0 [pid 666] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 666] write(3, "1000", 4) = 4 [pid 666] close(3) = 0 [pid 666] write(1, "executing program\n", 18executing program ) = 18 [pid 666] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 666] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 666] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 666] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 666] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 666] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 666] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0}./strace-static-x86_64: Process 667 attached => {parent_tid=[377]}, 88) = 377 [pid 667] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 667] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 667] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 666] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 666] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 667] <... futex resumed>) = 0 [pid 666] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 667] memfd_create("syzkaller", 0) = 3 [pid 667] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b723d000 [pid 666] <... futex resumed>) = 0 [pid 666] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43b721c000 [pid 666] mprotect(0x7f43b721d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 666] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 666] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43b723c990, parent_tid=0x7f43b723c990, exit_signal=0, stack=0x7f43b721c000, stack_size=0x20240, tls=0x7f43b723c6c0} [pid 667] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072./strace-static-x86_64: Process 668 attached [pid 666] <... clone3 resumed> => {parent_tid=[378]}, 88) = 378 [pid 666] rt_sigprocmask(SIG_SETMASK, [], [pid 668] set_robust_list(0x7f43b723c9a0, 24 [pid 666] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 666] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000 [pid 668] <... set_robust_list resumed>) = 0 [pid 666] <... futex resumed>) = 0 [pid 666] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 668] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 667] <... write resumed>) = 131072 [pid 668] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 667] munmap(0x7f43b723d000, 138412032) = 0 [pid 667] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 667] ioctl(5, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 667] ioctl(5, LOOP_CLR_FD) = 0 [pid 667] ioctl(5, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 667] close(5) = 0 [pid 667] close(3) = 0 [pid 667] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 667] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 668] <... openat resumed>) = 4 [pid 668] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 666] <... futex resumed>) = 0 [pid 666] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 666] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 667] <... futex resumed>) = 0 [pid 667] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 4, 0 [pid 668] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 667] <... mmap resumed>) = 0x200000000000 [pid 667] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 666] <... futex resumed>) = 0 [pid 666] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 666] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 667] <... futex resumed>) = 1 [pid 667] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 667] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 667] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 666] <... futex resumed>) = 0 [pid 666] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 666] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 667] creat(0x200000000040, 000) = 3 [pid 667] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 666] <... futex resumed>) = 0 [pid 666] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 666] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 667] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 667] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 666] <... futex resumed>) = 0 [pid 666] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 666] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 667] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 667] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 666] <... futex resumed>) = 0 [pid 666] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 666] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 667] write(5, 0x200000000080, 34136651) = 131072 [pid 667] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 666] <... futex resumed>) = 0 [pid 666] close(3) = 0 [pid 666] close(4) = 0 [pid 666] close(5) = 0 [pid 666] close(6) = -1 EBADF (Bad file descriptor) [pid 666] close(7) = -1 EBADF (Bad file descriptor) [pid 666] close(8) = -1 EBADF (Bad file descriptor) [pid 666] close(9) = -1 EBADF (Bad file descriptor) [pid 666] close(10) = -1 EBADF (Bad file descriptor) [pid 666] close(11) = -1 EBADF (Bad file descriptor) [pid 666] close(12) = -1 EBADF (Bad file descriptor) [pid 666] close(13) = -1 EBADF (Bad file descriptor) [pid 666] close(14) = -1 EBADF (Bad file descriptor) [pid 666] close(15) = -1 EBADF (Bad file descriptor) [pid 666] close(16) = -1 EBADF (Bad file descriptor) [pid 666] close(17) = -1 EBADF (Bad file descriptor) [pid 666] close(18) = -1 EBADF (Bad file descriptor) [pid 666] close(19) = -1 EBADF (Bad file descriptor) [pid 666] close(20) = -1 EBADF (Bad file descriptor) [pid 666] close(21) = -1 EBADF (Bad file descriptor) [pid 666] close(22) = -1 EBADF (Bad file descriptor) [pid 666] close(23) = -1 EBADF (Bad file descriptor) [pid 666] close(24) = -1 EBADF (Bad file descriptor) [pid 666] close(25) = -1 EBADF (Bad file descriptor) [pid 666] close(26) = -1 EBADF (Bad file descriptor) [pid 666] close(27) = -1 EBADF (Bad file descriptor) [pid 666] close(28) = -1 EBADF (Bad file descriptor) [pid 666] close(29) = -1 EBADF (Bad file descriptor) [pid 666] exit_group(0) = ? [pid 668] <... futex resumed>) = ? [pid 668] +++ exited with 0 +++ [pid 667] +++ exited with 0 +++ [pid 666] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=376, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 669 attached , child_tidptr=0x55555756f750) = 379 [pid 669] set_robust_list(0x55555756f760, 24) = 0 [pid 669] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 669] setpgid(0, 0) = 0 [pid 669] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 669] write(3, "1000", 4) = 4 [pid 669] close(3) = 0 [pid 669] write(1, "executing program\n", 18executing program ) = 18 [pid 669] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 669] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 669] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 669] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 669] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 669] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 669] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0}./strace-static-x86_64: Process 670 attached => {parent_tid=[380]}, 88) = 380 [pid 670] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 670] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 670] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 669] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 669] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 670] <... futex resumed>) = 0 [pid 669] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 670] memfd_create("syzkaller", 0) = 3 [pid 669] <... futex resumed>) = 0 [pid 670] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b723d000 [pid 669] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43b721c000 [pid 669] mprotect(0x7f43b721d000, 131072, PROT_READ|PROT_WRITE [pid 670] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 669] <... mprotect resumed>) = 0 [pid 670] <... write resumed>) = 131072 [pid 670] munmap(0x7f43b723d000, 138412032 [pid 669] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 670] <... munmap resumed>) = 0 [pid 670] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 669] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43b723c990, parent_tid=0x7f43b723c990, exit_signal=0, stack=0x7f43b721c000, stack_size=0x20240, tls=0x7f43b723c6c0}./strace-static-x86_64: Process 671 attached [pid 671] set_robust_list(0x7f43b723c9a0, 24) = 0 [pid 671] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 671] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 669] <... clone3 resumed> => {parent_tid=[381]}, 88) = 381 [pid 670] <... openat resumed>) = 4 [pid 670] ioctl(4, LOOP_SET_FD, 3 [pid 669] rt_sigprocmask(SIG_SETMASK, [], [pid 670] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 669] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 670] ioctl(4, LOOP_CLR_FD [pid 669] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000 [pid 670] <... ioctl resumed>) = 0 [pid 669] <... futex resumed>) = 1 [pid 671] <... futex resumed>) = 0 [pid 669] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 671] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 670] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 670] close(4) = 0 [pid 670] close(3) = 0 [pid 670] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 670] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 671] <... openat resumed>) = 5 [pid 671] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 669] <... futex resumed>) = 0 [pid 669] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 669] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 670] <... futex resumed>) = 0 [pid 670] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 5, 0) = 0x200000000000 [pid 670] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 669] <... futex resumed>) = 0 [pid 669] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 669] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 670] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 670] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 670] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 669] <... futex resumed>) = 0 [pid 669] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 669] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 670] creat(0x200000000040, 000) = 3 [pid 671] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 670] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 669] <... futex resumed>) = 0 [pid 669] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 669] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 670] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 670] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 669] <... futex resumed>) = 0 [pid 669] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 669] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 670] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 4 [pid 670] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 669] <... futex resumed>) = 0 [pid 669] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 669] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 670] write(4, 0x200000000080, 34136651) = 131072 [pid 670] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 669] <... futex resumed>) = 0 [pid 669] close(3) = 0 [pid 669] close(4) = 0 [pid 669] close(5) = 0 [pid 669] close(6) = -1 EBADF (Bad file descriptor) [pid 669] close(7) = -1 EBADF (Bad file descriptor) [pid 669] close(8) = -1 EBADF (Bad file descriptor) [pid 669] close(9) = -1 EBADF (Bad file descriptor) [pid 669] close(10) = -1 EBADF (Bad file descriptor) [pid 669] close(11) = -1 EBADF (Bad file descriptor) [pid 669] close(12) = -1 EBADF (Bad file descriptor) [pid 669] close(13) = -1 EBADF (Bad file descriptor) [pid 669] close(14) = -1 EBADF (Bad file descriptor) [pid 669] close(15) = -1 EBADF (Bad file descriptor) [pid 669] close(16) = -1 EBADF (Bad file descriptor) [pid 669] close(17) = -1 EBADF (Bad file descriptor) [pid 669] close(18) = -1 EBADF (Bad file descriptor) [pid 669] close(19) = -1 EBADF (Bad file descriptor) [pid 669] close(20) = -1 EBADF (Bad file descriptor) [pid 669] close(21) = -1 EBADF (Bad file descriptor) [pid 669] close(22) = -1 EBADF (Bad file descriptor) [pid 669] close(23) = -1 EBADF (Bad file descriptor) [pid 669] close(24) = -1 EBADF (Bad file descriptor) [pid 669] close(25) = -1 EBADF (Bad file descriptor) [pid 669] close(26 [pid 670] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 669] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 669] close(27) = -1 EBADF (Bad file descriptor) [pid 669] close(28) = -1 EBADF (Bad file descriptor) [pid 669] close(29) = -1 EBADF (Bad file descriptor) [pid 669] exit_group(0) = ? [pid 670] <... futex resumed>) = ? [pid 670] +++ exited with 0 +++ [pid 671] <... futex resumed>) = ? [pid 671] +++ exited with 0 +++ [pid 669] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=379, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756f750) = 382 ./strace-static-x86_64: Process 672 attached [pid 672] set_robust_list(0x55555756f760, 24) = 0 [pid 672] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 672] setpgid(0, 0) = 0 [pid 672] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 672] write(3, "1000", 4) = 4 [pid 672] close(3) = 0 executing program [pid 672] write(1, "executing program\n", 18) = 18 [pid 672] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 672] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 672] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 672] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 672] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 672] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 672] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0}./strace-static-x86_64: Process 673 attached [pid 673] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 673] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 673] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 672] <... clone3 resumed> => {parent_tid=[383]}, 88) = 383 [pid 672] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 672] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 673] <... futex resumed>) = 0 [pid 673] memfd_create("syzkaller", 0 [pid 672] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 673] <... memfd_create resumed>) = 3 [pid 673] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b723d000 [pid 672] <... futex resumed>) = 0 [pid 672] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43b721c000 [pid 672] mprotect(0x7f43b721d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 672] rt_sigprocmask(SIG_BLOCK, ~[], [pid 673] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 672] <... rt_sigprocmask resumed>[], 8) = 0 [pid 672] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43b723c990, parent_tid=0x7f43b723c990, exit_signal=0, stack=0x7f43b721c000, stack_size=0x20240, tls=0x7f43b723c6c0} [pid 673] <... write resumed>) = 131072 ./strace-static-x86_64: Process 674 attached [pid 672] <... clone3 resumed> => {parent_tid=[384]}, 88) = 384 [pid 673] munmap(0x7f43b723d000, 138412032) = 0 [pid 672] rt_sigprocmask(SIG_SETMASK, [], [pid 673] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 672] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 674] set_robust_list(0x7f43b723c9a0, 24 [pid 672] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000 [pid 673] ioctl(4, LOOP_SET_FD, 3 [pid 672] <... futex resumed>) = 0 [pid 673] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 673] ioctl(4, LOOP_CLR_FD) = 0 [pid 672] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 674] <... set_robust_list resumed>) = 0 [pid 674] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 674] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 673] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 673] close(4) = 0 [pid 673] close(3) = 0 [pid 673] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 673] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 674] <... openat resumed>) = 5 [pid 674] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 672] <... futex resumed>) = 0 [pid 672] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 672] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 673] <... futex resumed>) = 0 [pid 673] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 5, 0) = 0x200000000000 [pid 674] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 673] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 672] <... futex resumed>) = 0 [pid 672] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 672] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 673] <... futex resumed>) = 1 [pid 673] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 673] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 673] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 672] <... futex resumed>) = 0 [pid 672] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 672] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 673] <... futex resumed>) = 1 [pid 673] creat(0x200000000040, 000) = 3 [pid 673] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 672] <... futex resumed>) = 0 [pid 672] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 672] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 673] <... futex resumed>) = 1 [pid 673] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 673] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 672] <... futex resumed>) = 0 [pid 672] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 672] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 673] <... futex resumed>) = 1 [pid 673] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 4 [pid 673] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 672] <... futex resumed>) = 0 [pid 672] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 672] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 673] write(4, 0x200000000080, 34136651) = 131072 [pid 673] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 672] <... futex resumed>) = 0 [pid 672] close(3) = 0 [pid 672] close(4) = 0 [pid 672] close(5) = 0 [pid 672] close(6) = -1 EBADF (Bad file descriptor) [pid 672] close(7) = -1 EBADF (Bad file descriptor) [pid 672] close(8) = -1 EBADF (Bad file descriptor) [pid 672] close(9) = -1 EBADF (Bad file descriptor) [pid 672] close(10) = -1 EBADF (Bad file descriptor) [pid 672] close(11) = -1 EBADF (Bad file descriptor) [pid 672] close(12) = -1 EBADF (Bad file descriptor) [pid 672] close(13) = -1 EBADF (Bad file descriptor) [pid 672] close(14) = -1 EBADF (Bad file descriptor) [pid 672] close(15) = -1 EBADF (Bad file descriptor) [pid 672] close(16) = -1 EBADF (Bad file descriptor) [pid 672] close(17) = -1 EBADF (Bad file descriptor) [pid 672] close(18) = -1 EBADF (Bad file descriptor) [pid 672] close(19) = -1 EBADF (Bad file descriptor) [pid 672] close(20) = -1 EBADF (Bad file descriptor) [pid 672] close(21) = -1 EBADF (Bad file descriptor) [pid 672] close(22) = -1 EBADF (Bad file descriptor) [pid 672] close(23) = -1 EBADF (Bad file descriptor) [pid 672] close(24) = -1 EBADF (Bad file descriptor) [pid 672] close(25) = -1 EBADF (Bad file descriptor) [pid 672] close(26) = -1 EBADF (Bad file descriptor) [pid 672] close(27) = -1 EBADF (Bad file descriptor) [pid 672] close(28) = -1 EBADF (Bad file descriptor) [pid 672] close(29) = -1 EBADF (Bad file descriptor) [pid 672] exit_group(0) = ? [pid 674] <... futex resumed>) = ? [pid 674] +++ exited with 0 +++ [pid 673] +++ exited with 0 +++ [pid 672] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=382, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 675 attached , child_tidptr=0x55555756f750) = 385 [pid 675] set_robust_list(0x55555756f760, 24) = 0 [pid 675] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 675] setpgid(0, 0) = 0 [pid 675] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 675] write(3, "1000", 4) = 4 [pid 675] close(3) = 0 [pid 675] write(1, "executing program\n", 18executing program ) = 18 [pid 675] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 675] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 675] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 675] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 675] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 675] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 675] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0} => {parent_tid=[386]}, 88) = 386 ./strace-static-x86_64: Process 676 attached [pid 675] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 675] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 675] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 675] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf61c000 [pid 675] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 675] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 675] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0}./strace-static-x86_64: Process 677 attached [pid 676] set_robust_list(0x7f43bf65d9a0, 24 [pid 675] <... clone3 resumed> => {parent_tid=[387]}, 88) = 387 [pid 675] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 675] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 675] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 677] set_robust_list(0x7f43bf63c9a0, 24) = 0 [pid 677] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 677] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 676] <... set_robust_list resumed>) = 0 [pid 677] <... openat resumed>) = 3 [pid 676] rt_sigprocmask(SIG_SETMASK, [], [pid 677] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 675] <... futex resumed>) = 0 [pid 675] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 675] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 677] <... futex resumed>) = 1 [pid 677] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 677] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 676] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 675] <... futex resumed>) = 0 [pid 675] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 675] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 677] <... futex resumed>) = 1 [pid 677] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 677] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 677] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 675] <... futex resumed>) = 0 [pid 675] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000 [pid 676] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000002180} --- [pid 675] <... futex resumed>) = 0 [pid 675] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 677] <... futex resumed>) = 1 [pid 677] creat(0x200000000040, 000) = 4 [pid 677] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 676] memfd_create("syzkaller", 0 [pid 675] <... futex resumed>) = 0 [pid 675] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 675] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 677] <... futex resumed>) = 1 [pid 677] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 677] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 675] <... futex resumed>) = 0 [pid 675] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 675] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 677] <... futex resumed>) = 1 [pid 677] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 677] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 675] <... futex resumed>) = 0 [pid 675] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 675] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 677] <... futex resumed>) = 1 [pid 677] write(5, 0x200000000080, 34136651 [pid 676] <... memfd_create resumed>) = 6 [pid 676] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b721c000 [pid 676] munmap(0x7f43b721c000, 138412032) = 0 [pid 676] close(6) = 0 [pid 676] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 676] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 677] <... write resumed>) = 131072 [pid 677] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 675] <... futex resumed>) = 0 [pid 675] close(3) = 0 [pid 675] close(4) = 0 [pid 675] close(5) = 0 [pid 675] close(6) = -1 EBADF (Bad file descriptor) [pid 675] close(7) = -1 EBADF (Bad file descriptor) [pid 675] close(8) = -1 EBADF (Bad file descriptor) [pid 675] close(9) = -1 EBADF (Bad file descriptor) [pid 675] close(10) = -1 EBADF (Bad file descriptor) [pid 675] close(11) = -1 EBADF (Bad file descriptor) [pid 675] close(12) = -1 EBADF (Bad file descriptor) [pid 675] close(13) = -1 EBADF (Bad file descriptor) [pid 675] close(14) = -1 EBADF (Bad file descriptor) [pid 675] close(15) = -1 EBADF (Bad file descriptor) [pid 675] close(16) = -1 EBADF (Bad file descriptor) [pid 675] close(17) = -1 EBADF (Bad file descriptor) [pid 675] close(18) = -1 EBADF (Bad file descriptor) [pid 675] close(19) = -1 EBADF (Bad file descriptor) [pid 675] close(20) = -1 EBADF (Bad file descriptor) [pid 675] close(21) = -1 EBADF (Bad file descriptor) [pid 675] close(22) = -1 EBADF (Bad file descriptor) [pid 675] close(23) = -1 EBADF (Bad file descriptor) [pid 675] close(24) = -1 EBADF (Bad file descriptor) [pid 675] close(25) = -1 EBADF (Bad file descriptor) [pid 675] close(26) = -1 EBADF (Bad file descriptor) [pid 675] close(27) = -1 EBADF (Bad file descriptor) [pid 675] close(28) = -1 EBADF (Bad file descriptor) [pid 675] close(29) = -1 EBADF (Bad file descriptor) [pid 675] exit_group(0 [pid 677] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 675] <... exit_group resumed>) = ? [pid 676] <... futex resumed>) = ? [pid 676] +++ exited with 0 +++ [pid 677] <... futex resumed>) = ? [pid 677] +++ exited with 0 +++ [pid 675] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=385, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756f750) = 388 ./strace-static-x86_64: Process 678 attached [pid 678] set_robust_list(0x55555756f760, 24) = 0 [pid 678] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 678] setpgid(0, 0) = 0 [pid 678] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 678] write(3, "1000", 4) = 4 [pid 678] close(3) = 0 [pid 678] write(1, "executing program\n", 18executing program ) = 18 [pid 678] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 678] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 678] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 678] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 678] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 678] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 678] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0}./strace-static-x86_64: Process 679 attached [pid 679] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 679] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 679] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 678] <... clone3 resumed> => {parent_tid=[389]}, 88) = 389 [pid 678] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 678] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 679] <... futex resumed>) = 0 [pid 678] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 679] memfd_create("syzkaller", 0 [pid 678] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 679] <... memfd_create resumed>) = 3 [pid 678] <... mmap resumed>) = 0x7f43bf61c000 [pid 679] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b721c000 [pid 678] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 678] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 678] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0}./strace-static-x86_64: Process 680 attached => {parent_tid=[390]}, 88) = 390 [pid 678] rt_sigprocmask(SIG_SETMASK, [], [pid 680] set_robust_list(0x7f43bf63c9a0, 24 [pid 678] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 680] <... set_robust_list resumed>) = 0 [pid 678] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 680] rt_sigprocmask(SIG_SETMASK, [], [pid 678] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 680] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 679] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 680] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 679] <... write resumed>) = 131072 [pid 679] munmap(0x7f43b721c000, 138412032) = 0 [pid 679] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 679] ioctl(5, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 679] ioctl(5, LOOP_CLR_FD) = 0 [pid 679] ioctl(5, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 679] close(5) = 0 [pid 679] close(3) = 0 [pid 679] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 679] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 680] <... openat resumed>) = 4 [pid 680] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 678] <... futex resumed>) = 0 [pid 678] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 678] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 679] <... futex resumed>) = 0 [pid 679] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 4, 0 [pid 680] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 679] <... mmap resumed>) = 0x200000000000 [pid 679] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 678] <... futex resumed>) = 0 [pid 678] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 678] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 679] <... futex resumed>) = 1 [pid 679] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 679] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 679] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 678] <... futex resumed>) = 0 [pid 678] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 678] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 679] creat(0x200000000040, 000) = 3 [pid 679] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 678] <... futex resumed>) = 0 [pid 678] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 678] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 679] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 679] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 678] <... futex resumed>) = 0 [pid 678] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 678] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 679] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 679] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 678] <... futex resumed>) = 0 [pid 678] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 678] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 679] write(5, 0x200000000080, 34136651) = 131072 [pid 679] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 678] <... futex resumed>) = 0 [pid 678] close(3) = 0 [pid 678] close(4) = 0 [pid 678] close(5) = 0 [pid 678] close(6) = -1 EBADF (Bad file descriptor) [pid 678] close(7) = -1 EBADF (Bad file descriptor) [pid 678] close(8) = -1 EBADF (Bad file descriptor) [pid 678] close(9) = -1 EBADF (Bad file descriptor) [pid 678] close(10) = -1 EBADF (Bad file descriptor) [pid 678] close(11) = -1 EBADF (Bad file descriptor) [pid 678] close(12) = -1 EBADF (Bad file descriptor) [pid 678] close(13) = -1 EBADF (Bad file descriptor) [pid 678] close(14) = -1 EBADF (Bad file descriptor) [pid 678] close(15) = -1 EBADF (Bad file descriptor) [pid 678] close(16) = -1 EBADF (Bad file descriptor) [pid 678] close(17) = -1 EBADF (Bad file descriptor) [pid 678] close(18) = -1 EBADF (Bad file descriptor) [pid 678] close(19) = -1 EBADF (Bad file descriptor) [pid 678] close(20) = -1 EBADF (Bad file descriptor) [pid 678] close(21) = -1 EBADF (Bad file descriptor) [pid 678] close(22) = -1 EBADF (Bad file descriptor) [pid 678] close(23) = -1 EBADF (Bad file descriptor) [pid 678] close(24) = -1 EBADF (Bad file descriptor) [pid 678] close(25) = -1 EBADF (Bad file descriptor) [pid 678] close(26) = -1 EBADF (Bad file descriptor) [pid 678] close(27) = -1 EBADF (Bad file descriptor) [pid 678] close(28) = -1 EBADF (Bad file descriptor) [pid 678] close(29) = -1 EBADF (Bad file descriptor) [pid 678] exit_group(0) = ? [pid 680] <... futex resumed>) = ? [pid 680] +++ exited with 0 +++ [pid 679] +++ exited with 0 +++ [pid 678] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=388, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 681 attached , child_tidptr=0x55555756f750) = 391 [pid 681] set_robust_list(0x55555756f760, 24) = 0 [pid 681] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 681] setpgid(0, 0) = 0 [pid 681] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 681] write(3, "1000", 4) = 4 [pid 681] close(3) = 0 [pid 681] write(1, "executing program\n", 18executing program ) = 18 [pid 681] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 681] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 681] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 681] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 681] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 681] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 681] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0}./strace-static-x86_64: Process 682 attached => {parent_tid=[392]}, 88) = 392 [pid 682] set_robust_list(0x7f43bf65d9a0, 24 [pid 681] rt_sigprocmask(SIG_SETMASK, [], [pid 682] <... set_robust_list resumed>) = 0 [pid 682] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 682] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 681] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 681] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 682] <... futex resumed>) = 0 [pid 681] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 682] memfd_create("syzkaller", 0) = 3 [pid 681] <... futex resumed>) = 0 [pid 682] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b723d000 [pid 681] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43b721c000 [pid 681] mprotect(0x7f43b721d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 681] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 681] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43b723c990, parent_tid=0x7f43b723c990, exit_signal=0, stack=0x7f43b721c000, stack_size=0x20240, tls=0x7f43b723c6c0}./strace-static-x86_64: Process 683 attached [pid 682] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 683] set_robust_list(0x7f43b723c9a0, 24 [pid 681] <... clone3 resumed> => {parent_tid=[393]}, 88) = 393 [pid 681] rt_sigprocmask(SIG_SETMASK, [], [pid 683] <... set_robust_list resumed>) = 0 [pid 681] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 681] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000 [pid 683] rt_sigprocmask(SIG_SETMASK, [], [pid 681] <... futex resumed>) = 0 [pid 683] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 681] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 682] <... write resumed>) = 131072 [pid 682] munmap(0x7f43b723d000, 138412032 [pid 683] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 682] <... munmap resumed>) = 0 [pid 682] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 682] ioctl(5, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 682] ioctl(5, LOOP_CLR_FD) = 0 [pid 682] ioctl(5, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 682] close(5) = 0 [pid 682] close(3) = 0 [pid 682] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 682] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 683] <... openat resumed>) = 4 [pid 683] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 681] <... futex resumed>) = 0 [pid 681] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 681] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 682] <... futex resumed>) = 0 [pid 682] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 4, 0 [pid 683] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 682] <... mmap resumed>) = 0x200000000000 [pid 682] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 681] <... futex resumed>) = 0 [pid 681] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 681] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 682] <... futex resumed>) = 1 [pid 682] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 682] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 682] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 681] <... futex resumed>) = 0 [pid 681] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 681] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 682] creat(0x200000000040, 000) = 3 [pid 682] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 681] <... futex resumed>) = 0 [pid 681] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 681] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 682] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 682] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 681] <... futex resumed>) = 0 [pid 681] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 681] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 682] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 682] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 681] <... futex resumed>) = 0 [pid 681] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 681] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 682] write(5, 0x200000000080, 34136651) = 131072 [pid 682] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 682] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 681] <... futex resumed>) = 0 [pid 681] close(3) = 0 [pid 681] close(4) = 0 [pid 681] close(5) = 0 [pid 681] close(6) = -1 EBADF (Bad file descriptor) [pid 681] close(7) = -1 EBADF (Bad file descriptor) [pid 681] close(8) = -1 EBADF (Bad file descriptor) [pid 681] close(9) = -1 EBADF (Bad file descriptor) [pid 681] close(10) = -1 EBADF (Bad file descriptor) [pid 681] close(11) = -1 EBADF (Bad file descriptor) [pid 681] close(12) = -1 EBADF (Bad file descriptor) [pid 681] close(13) = -1 EBADF (Bad file descriptor) [pid 681] close(14) = -1 EBADF (Bad file descriptor) [pid 681] close(15) = -1 EBADF (Bad file descriptor) [pid 681] close(16) = -1 EBADF (Bad file descriptor) [pid 681] close(17) = -1 EBADF (Bad file descriptor) [pid 681] close(18) = -1 EBADF (Bad file descriptor) [pid 681] close(19) = -1 EBADF (Bad file descriptor) [pid 681] close(20) = -1 EBADF (Bad file descriptor) [pid 681] close(21) = -1 EBADF (Bad file descriptor) [pid 681] close(22) = -1 EBADF (Bad file descriptor) [pid 681] close(23) = -1 EBADF (Bad file descriptor) [pid 681] close(24) = -1 EBADF (Bad file descriptor) [pid 681] close(25) = -1 EBADF (Bad file descriptor) [pid 681] close(26) = -1 EBADF (Bad file descriptor) [pid 681] close(27) = -1 EBADF (Bad file descriptor) [pid 681] close(28) = -1 EBADF (Bad file descriptor) [pid 681] close(29) = -1 EBADF (Bad file descriptor) [pid 681] exit_group(0) = ? [pid 682] <... futex resumed>) = ? [pid 682] +++ exited with 0 +++ [pid 683] <... futex resumed>) = ? [pid 683] +++ exited with 0 +++ [pid 681] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=391, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756f750) = 394 ./strace-static-x86_64: Process 684 attached [pid 684] set_robust_list(0x55555756f760, 24) = 0 [pid 684] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 684] setpgid(0, 0) = 0 [pid 684] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 684] write(3, "1000", 4) = 4 [pid 684] close(3) = 0 [pid 684] write(1, "executing program\n", 18executing program ) = 18 [pid 684] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 684] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 684] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 684] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 684] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 684] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 684] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0}./strace-static-x86_64: Process 685 attached => {parent_tid=[395]}, 88) = 395 [pid 685] set_robust_list(0x7f43bf65d9a0, 24 [pid 684] rt_sigprocmask(SIG_SETMASK, [], [pid 685] <... set_robust_list resumed>) = 0 [pid 684] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 685] rt_sigprocmask(SIG_SETMASK, [], [pid 684] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 685] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 684] <... futex resumed>) = 0 [pid 684] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 685] memfd_create("syzkaller", 0 [pid 684] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf61c000 [pid 685] <... memfd_create resumed>) = 3 [pid 684] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE [pid 685] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 684] <... mprotect resumed>) = 0 [pid 685] <... mmap resumed>) = 0x7f43b721c000 [pid 684] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 684] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0} => {parent_tid=[396]}, 88) = 396 [pid 684] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 684] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 684] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 686 attached [pid 685] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 686] set_robust_list(0x7f43bf63c9a0, 24) = 0 [pid 685] <... write resumed>) = 131072 [pid 685] munmap(0x7f43b721c000, 138412032) = 0 [pid 685] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 685] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 685] ioctl(4, LOOP_CLR_FD) = 0 [pid 686] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 686] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 685] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 685] close(4) = 0 [pid 685] close(3) = 0 [pid 685] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 685] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 686] <... openat resumed>) = 5 [pid 686] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 684] <... futex resumed>) = 0 [pid 684] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 685] <... futex resumed>) = 0 [pid 684] <... futex resumed>) = 1 [pid 685] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 5, 0 [pid 684] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 686] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 685] <... mmap resumed>) = 0x200000000000 [pid 685] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 684] <... futex resumed>) = 0 [pid 685] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 684] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 685] mkdirat(AT_FDCWD, 0x200000000280, 0117 [pid 684] <... futex resumed>) = 0 [pid 685] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 684] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 685] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 684] <... futex resumed>) = 0 [pid 685] creat(0x200000000040, 000 [pid 684] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 685] <... creat resumed>) = 3 [pid 684] <... futex resumed>) = 0 [pid 685] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 684] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 685] <... futex resumed>) = 0 [pid 684] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 685] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL [pid 684] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 685] <... mount resumed>) = 0 [pid 684] <... futex resumed>) = 0 [pid 685] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 684] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 685] <... futex resumed>) = 0 [pid 684] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 685] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c [pid 684] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 685] <... open resumed>) = 4 [pid 684] <... futex resumed>) = 0 [pid 685] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 684] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 685] <... futex resumed>) = 0 [pid 684] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 685] write(4, 0x200000000080, 34136651 [pid 684] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 684] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 685] <... write resumed>) = 131072 [pid 685] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 684] <... futex resumed>) = 0 [pid 684] close(3) = 0 [pid 684] close(4) = 0 [pid 684] close(5) = 0 [pid 684] close(6) = -1 EBADF (Bad file descriptor) [pid 684] close(7) = -1 EBADF (Bad file descriptor) [pid 684] close(8) = -1 EBADF (Bad file descriptor) [pid 684] close(9) = -1 EBADF (Bad file descriptor) [pid 684] close(10) = -1 EBADF (Bad file descriptor) [pid 684] close(11) = -1 EBADF (Bad file descriptor) [pid 684] close(12) = -1 EBADF (Bad file descriptor) [pid 684] close(13) = -1 EBADF (Bad file descriptor) [pid 684] close(14) = -1 EBADF (Bad file descriptor) [pid 684] close(15) = -1 EBADF (Bad file descriptor) [pid 684] close(16) = -1 EBADF (Bad file descriptor) [pid 684] close(17) = -1 EBADF (Bad file descriptor) [pid 684] close(18) = -1 EBADF (Bad file descriptor) [pid 684] close(19) = -1 EBADF (Bad file descriptor) [pid 684] close(20) = -1 EBADF (Bad file descriptor) [pid 684] close(21) = -1 EBADF (Bad file descriptor) [pid 684] close(22) = -1 EBADF (Bad file descriptor) [pid 684] close(23) = -1 EBADF (Bad file descriptor) [pid 684] close(24) = -1 EBADF (Bad file descriptor) [pid 684] close(25) = -1 EBADF (Bad file descriptor) [pid 684] close(26) = -1 EBADF (Bad file descriptor) [pid 684] close(27) = -1 EBADF (Bad file descriptor) [pid 684] close(28) = -1 EBADF (Bad file descriptor) [pid 684] close(29) = -1 EBADF (Bad file descriptor) [pid 684] exit_group(0) = ? [pid 686] <... futex resumed>) = ? [pid 685] <... futex resumed>) = ? [pid 686] +++ exited with 0 +++ [pid 685] +++ exited with 0 +++ [pid 684] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=394, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756f750) = 397 ./strace-static-x86_64: Process 687 attached [pid 687] set_robust_list(0x55555756f760, 24) = 0 [pid 687] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 687] setpgid(0, 0) = 0 [pid 687] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 687] write(3, "1000", 4) = 4 [pid 687] close(3) = 0 executing program [pid 687] write(1, "executing program\n", 18) = 18 [pid 687] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 687] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 687] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 687] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 687] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 687] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 687] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0}./strace-static-x86_64: Process 688 attached [pid 688] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 688] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 688] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 687] <... clone3 resumed> => {parent_tid=[398]}, 88) = 398 [pid 687] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 687] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 688] <... futex resumed>) = 0 [pid 688] memfd_create("syzkaller", 0 [pid 687] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 688] <... memfd_create resumed>) = 3 [pid 688] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b723d000 [pid 687] <... futex resumed>) = 0 [pid 687] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43b721c000 [pid 687] mprotect(0x7f43b721d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 687] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 687] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43b723c990, parent_tid=0x7f43b723c990, exit_signal=0, stack=0x7f43b721c000, stack_size=0x20240, tls=0x7f43b723c6c0} [pid 688] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 687] <... clone3 resumed> => {parent_tid=[399]}, 88) = 399 [pid 687] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 687] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 687] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 688] <... write resumed>) = 131072 [pid 688] munmap(0x7f43b723d000, 138412032./strace-static-x86_64: Process 689 attached ) = 0 [pid 688] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 689] set_robust_list(0x7f43b723c9a0, 24) = 0 [pid 688] <... openat resumed>) = 4 [pid 688] ioctl(4, LOOP_SET_FD, 3 [pid 689] rt_sigprocmask(SIG_SETMASK, [], [pid 688] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 689] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 688] ioctl(4, LOOP_CLR_FD) = 0 [pid 689] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 688] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 688] close(4) = 0 [pid 688] close(3) = 0 [pid 688] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 688] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 689] <... openat resumed>) = 5 [pid 689] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 687] <... futex resumed>) = 0 [pid 687] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 688] <... futex resumed>) = 0 [pid 688] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 5, 0 [pid 689] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 688] <... mmap resumed>) = 0x200000000000 [pid 687] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 688] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 687] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 688] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 687] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 688] <... futex resumed>) = 0 [pid 688] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 687] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 688] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 688] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 688] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 687] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 687] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 688] <... futex resumed>) = 0 [pid 687] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 688] creat(0x200000000040, 000) = 3 [pid 688] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 688] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 687] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 687] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 688] <... futex resumed>) = 0 [pid 687] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 688] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 688] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 688] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 687] <... futex resumed>) = 0 [pid 687] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 688] <... futex resumed>) = 0 [pid 687] <... futex resumed>) = 1 [pid 688] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 4 [pid 688] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 688] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 687] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 687] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 688] <... futex resumed>) = 0 [pid 687] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 688] write(4, 0x200000000080, 34136651) = 131072 [pid 688] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 687] <... futex resumed>) = 0 [pid 687] close(3 [pid 688] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 687] <... close resumed>) = 0 [pid 687] close(4) = 0 [pid 687] close(5) = 0 [pid 687] close(6) = -1 EBADF (Bad file descriptor) [pid 687] close(7) = -1 EBADF (Bad file descriptor) [pid 687] close(8) = -1 EBADF (Bad file descriptor) [pid 687] close(9) = -1 EBADF (Bad file descriptor) [pid 687] close(10) = -1 EBADF (Bad file descriptor) [pid 687] close(11) = -1 EBADF (Bad file descriptor) [pid 687] close(12) = -1 EBADF (Bad file descriptor) [pid 687] close(13) = -1 EBADF (Bad file descriptor) [pid 687] close(14) = -1 EBADF (Bad file descriptor) [pid 687] close(15) = -1 EBADF (Bad file descriptor) [pid 687] close(16) = -1 EBADF (Bad file descriptor) [pid 687] close(17) = -1 EBADF (Bad file descriptor) [pid 687] close(18) = -1 EBADF (Bad file descriptor) [pid 687] close(19) = -1 EBADF (Bad file descriptor) [pid 687] close(20) = -1 EBADF (Bad file descriptor) [pid 687] close(21) = -1 EBADF (Bad file descriptor) [pid 687] close(22) = -1 EBADF (Bad file descriptor) [pid 687] close(23) = -1 EBADF (Bad file descriptor) [pid 687] close(24) = -1 EBADF (Bad file descriptor) [pid 687] close(25) = -1 EBADF (Bad file descriptor) [pid 687] close(26) = -1 EBADF (Bad file descriptor) [pid 687] close(27) = -1 EBADF (Bad file descriptor) [pid 687] close(28) = -1 EBADF (Bad file descriptor) [pid 687] close(29) = -1 EBADF (Bad file descriptor) [pid 687] exit_group(0 [pid 689] <... futex resumed>) = ? [pid 688] <... futex resumed>) = ? [pid 687] <... exit_group resumed>) = ? [pid 689] +++ exited with 0 +++ [pid 688] +++ exited with 0 +++ [pid 687] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=397, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756f750) = 400 ./strace-static-x86_64: Process 690 attached [pid 690] set_robust_list(0x55555756f760, 24) = 0 [pid 690] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 690] setpgid(0, 0) = 0 [pid 690] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 690] write(3, "1000", 4) = 4 [pid 690] close(3) = 0 [pid 690] write(1, "executing program\n", 18executing program ) = 18 [pid 690] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 690] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 690] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 690] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 690] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 690] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 690] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0}./strace-static-x86_64: Process 691 attached [pid 691] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 691] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 691] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 690] <... clone3 resumed> => {parent_tid=[401]}, 88) = 401 [pid 690] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 690] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 691] <... futex resumed>) = 0 [pid 691] memfd_create("syzkaller", 0) = 3 [pid 690] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 691] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b723d000 [pid 690] <... futex resumed>) = 0 [pid 690] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43b721c000 [pid 690] mprotect(0x7f43b721d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 690] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 690] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43b723c990, parent_tid=0x7f43b723c990, exit_signal=0, stack=0x7f43b721c000, stack_size=0x20240, tls=0x7f43b723c6c0} [pid 691] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 690] <... clone3 resumed> => {parent_tid=[402]}, 88) = 402 [pid 690] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 690] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 690] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 692 attached [pid 691] <... write resumed>) = 131072 [pid 692] set_robust_list(0x7f43b723c9a0, 24 [pid 691] munmap(0x7f43b723d000, 138412032 [pid 692] <... set_robust_list resumed>) = 0 [pid 691] <... munmap resumed>) = 0 [pid 692] rt_sigprocmask(SIG_SETMASK, [], [pid 691] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 692] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 691] <... openat resumed>) = 4 [pid 691] ioctl(4, LOOP_SET_FD, 3 [pid 692] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 691] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 691] ioctl(4, LOOP_CLR_FD) = 0 [pid 691] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 691] close(4) = 0 [pid 691] close(3) = 0 [pid 691] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 691] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 692] <... openat resumed>) = 5 [pid 692] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 690] <... futex resumed>) = 0 [pid 690] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 691] <... futex resumed>) = 0 [pid 691] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 5, 0 [pid 692] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 691] <... mmap resumed>) = 0x200000000000 [pid 691] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 691] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 690] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 690] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 691] <... futex resumed>) = 0 [pid 691] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 691] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 691] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 691] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 690] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 690] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 691] <... futex resumed>) = 0 [pid 691] creat(0x200000000040, 000) = 3 [pid 690] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 691] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 690] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 691] <... futex resumed>) = 0 [pid 690] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 691] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL [pid 690] <... futex resumed>) = 0 [pid 691] <... mount resumed>) = 0 [pid 690] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 691] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 690] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 691] <... futex resumed>) = 0 [pid 690] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 691] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c [pid 690] <... futex resumed>) = 0 [pid 691] <... open resumed>) = 4 [pid 690] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 691] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 690] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 691] <... futex resumed>) = 0 [pid 690] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 691] write(4, 0x200000000080, 34136651 [pid 690] <... futex resumed>) = 0 [pid 690] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 691] <... write resumed>) = 131072 [pid 691] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 690] <... futex resumed>) = 0 [pid 690] close(3 [pid 691] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 690] <... close resumed>) = 0 [pid 690] close(4) = 0 [pid 690] close(5) = 0 [pid 690] close(6) = -1 EBADF (Bad file descriptor) [pid 690] close(7) = -1 EBADF (Bad file descriptor) [pid 690] close(8) = -1 EBADF (Bad file descriptor) [pid 690] close(9) = -1 EBADF (Bad file descriptor) [pid 690] close(10) = -1 EBADF (Bad file descriptor) [pid 690] close(11) = -1 EBADF (Bad file descriptor) [pid 690] close(12) = -1 EBADF (Bad file descriptor) [pid 690] close(13) = -1 EBADF (Bad file descriptor) [pid 690] close(14) = -1 EBADF (Bad file descriptor) [pid 690] close(15) = -1 EBADF (Bad file descriptor) [pid 690] close(16) = -1 EBADF (Bad file descriptor) [pid 690] close(17) = -1 EBADF (Bad file descriptor) [pid 690] close(18) = -1 EBADF (Bad file descriptor) [pid 690] close(19) = -1 EBADF (Bad file descriptor) [pid 690] close(20) = -1 EBADF (Bad file descriptor) [pid 690] close(21) = -1 EBADF (Bad file descriptor) [pid 690] close(22) = -1 EBADF (Bad file descriptor) [pid 690] close(23) = -1 EBADF (Bad file descriptor) [pid 690] close(24) = -1 EBADF (Bad file descriptor) [pid 690] close(25) = -1 EBADF (Bad file descriptor) [pid 690] close(26) = -1 EBADF (Bad file descriptor) [pid 690] close(27) = -1 EBADF (Bad file descriptor) [pid 690] close(28) = -1 EBADF (Bad file descriptor) [pid 690] close(29) = -1 EBADF (Bad file descriptor) [pid 690] exit_group(0 [pid 691] <... futex resumed>) = ? [pid 690] <... exit_group resumed>) = ? [pid 691] +++ exited with 0 +++ [pid 692] <... futex resumed>) = ? [pid 692] +++ exited with 0 +++ [pid 690] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=400, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 693 attached [pid 693] set_robust_list(0x55555756f760, 24 [pid 289] <... clone resumed>, child_tidptr=0x55555756f750) = 403 [pid 693] <... set_robust_list resumed>) = 0 [pid 693] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 693] setpgid(0, 0) = 0 [pid 693] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 693] write(3, "1000", 4) = 4 [pid 693] close(3) = 0 [pid 693] write(1, "executing program\n", 18executing program ) = 18 [pid 693] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 693] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 693] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 693] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 693] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 693] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 693] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0}./strace-static-x86_64: Process 694 attached [pid 694] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 694] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 694] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 693] <... clone3 resumed> => {parent_tid=[404]}, 88) = 404 [pid 693] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 693] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 694] <... futex resumed>) = 0 [pid 693] <... futex resumed>) = 1 [pid 694] memfd_create("syzkaller", 0 [pid 693] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 694] <... memfd_create resumed>) = 3 [pid 693] <... futex resumed>) = 0 [pid 694] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 693] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf61c000 [pid 694] <... mmap resumed>) = 0x7f43b721c000 [pid 693] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 693] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 693] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0}./strace-static-x86_64: Process 695 attached => {parent_tid=[405]}, 88) = 405 [pid 693] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 693] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 693] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 695] set_robust_list(0x7f43bf63c9a0, 24) = 0 [pid 695] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 695] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 694] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 694] munmap(0x7f43b721c000, 138412032) = 0 [pid 694] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 694] ioctl(5, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 694] ioctl(5, LOOP_CLR_FD) = 0 [pid 694] ioctl(5, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 694] close(5) = 0 [pid 694] close(3) = 0 [pid 694] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 694] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 695] <... openat resumed>) = 4 [pid 695] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 693] <... futex resumed>) = 0 [pid 693] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 693] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 695] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 694] <... futex resumed>) = 0 [pid 694] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 4, 0) = 0x200000000000 [pid 694] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 693] <... futex resumed>) = 0 [pid 693] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 693] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 694] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 694] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 694] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 693] <... futex resumed>) = 0 [pid 693] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 693] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 694] creat(0x200000000040, 000) = 3 [pid 694] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 693] <... futex resumed>) = 0 [pid 693] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 693] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 694] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 694] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 693] <... futex resumed>) = 0 [pid 693] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 693] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 694] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 694] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 693] <... futex resumed>) = 0 [pid 693] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 693] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 694] write(5, 0x200000000080, 34136651) = 131072 [pid 694] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 693] <... futex resumed>) = 0 [pid 693] close(3) = 0 [pid 693] close(4) = 0 [pid 693] close(5) = 0 [pid 693] close(6) = -1 EBADF (Bad file descriptor) [pid 693] close(7) = -1 EBADF (Bad file descriptor) [pid 693] close(8) = -1 EBADF (Bad file descriptor) [pid 693] close(9) = -1 EBADF (Bad file descriptor) [pid 693] close(10) = -1 EBADF (Bad file descriptor) [pid 693] close(11) = -1 EBADF (Bad file descriptor) [pid 693] close(12) = -1 EBADF (Bad file descriptor) [pid 693] close(13) = -1 EBADF (Bad file descriptor) [pid 693] close(14) = -1 EBADF (Bad file descriptor) [pid 693] close(15) = -1 EBADF (Bad file descriptor) [pid 693] close(16) = -1 EBADF (Bad file descriptor) [pid 693] close(17) = -1 EBADF (Bad file descriptor) [pid 693] close(18) = -1 EBADF (Bad file descriptor) [pid 693] close(19) = -1 EBADF (Bad file descriptor) [pid 693] close(20) = -1 EBADF (Bad file descriptor) [pid 693] close(21) = -1 EBADF (Bad file descriptor) [pid 693] close(22) = -1 EBADF (Bad file descriptor) [pid 693] close(23) = -1 EBADF (Bad file descriptor) [pid 693] close(24) = -1 EBADF (Bad file descriptor) [pid 693] close(25) = -1 EBADF (Bad file descriptor) [pid 693] close(26) = -1 EBADF (Bad file descriptor) [pid 693] close(27) = -1 EBADF (Bad file descriptor) [pid 693] close(28) = -1 EBADF (Bad file descriptor) [pid 693] close(29) = -1 EBADF (Bad file descriptor) [pid 693] exit_group(0) = ? [pid 695] <... futex resumed>) = ? [pid 694] +++ exited with 0 +++ [pid 695] +++ exited with 0 +++ [pid 693] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=403, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 696 attached , child_tidptr=0x55555756f750) = 406 [pid 696] set_robust_list(0x55555756f760, 24) = 0 [pid 696] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 696] setpgid(0, 0) = 0 [pid 696] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 696] write(3, "1000", 4executing program ) = 4 [pid 696] close(3) = 0 [pid 696] write(1, "executing program\n", 18) = 18 [pid 696] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 696] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 696] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 696] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 696] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 696] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 696] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0} => {parent_tid=[407]}, 88) = 407 ./strace-static-x86_64: Process 697 attached [pid 696] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 696] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 696] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 696] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf61c000 [pid 696] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 696] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 696] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0} => {parent_tid=[408]}, 88) = 408 [pid 696] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 696] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 696] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 698 attached [pid 698] set_robust_list(0x7f43bf63c9a0, 24) = 0 [pid 698] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 698] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 697] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 697] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 697] memfd_create("syzkaller", 0) = 4 [pid 697] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b721c000 [pid 697] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 697] munmap(0x7f43b721c000, 138412032) = 0 [pid 697] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 697] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy) [pid 697] ioctl(5, LOOP_CLR_FD) = 0 [pid 698] <... openat resumed>) = 3 [pid 698] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 696] <... futex resumed>) = 0 [pid 696] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 696] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 697] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy) [pid 697] close(5) = 0 [pid 698] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0 [pid 697] close(4 [pid 698] <... mmap resumed>) = 0x200000000000 [pid 698] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 696] <... futex resumed>) = 0 [pid 696] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 696] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 698] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 697] <... close resumed>) = 0 [pid 698] mkdirat(AT_FDCWD, 0x200000000280, 0117 [pid 697] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 697] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 698] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 698] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 696] <... futex resumed>) = 0 [pid 696] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 696] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 697] <... futex resumed>) = 0 [pid 697] creat(0x200000000040, 000 [pid 698] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 697] <... creat resumed>) = 4 [pid 697] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 696] <... futex resumed>) = 0 [pid 696] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 696] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 697] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 697] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 696] <... futex resumed>) = 0 [pid 696] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 696] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 697] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 697] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 696] <... futex resumed>) = 0 [pid 696] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 696] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 697] write(5, 0x200000000080, 34136651) = 131072 [pid 697] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 696] <... futex resumed>) = 0 [pid 696] close(3) = 0 [pid 696] close(4) = 0 [pid 696] close(5) = 0 [pid 696] close(6) = -1 EBADF (Bad file descriptor) [pid 696] close(7) = -1 EBADF (Bad file descriptor) [pid 696] close(8) = -1 EBADF (Bad file descriptor) [pid 696] close(9) = -1 EBADF (Bad file descriptor) [pid 696] close(10) = -1 EBADF (Bad file descriptor) [pid 696] close(11) = -1 EBADF (Bad file descriptor) [pid 696] close(12) = -1 EBADF (Bad file descriptor) [pid 696] close(13) = -1 EBADF (Bad file descriptor) [pid 696] close(14) = -1 EBADF (Bad file descriptor) [pid 696] close(15) = -1 EBADF (Bad file descriptor) [pid 696] close(16) = -1 EBADF (Bad file descriptor) [pid 696] close(17) = -1 EBADF (Bad file descriptor) [pid 696] close(18) = -1 EBADF (Bad file descriptor) [pid 696] close(19) = -1 EBADF (Bad file descriptor) [pid 696] close(20) = -1 EBADF (Bad file descriptor) [pid 696] close(21) = -1 EBADF (Bad file descriptor) [pid 696] close(22) = -1 EBADF (Bad file descriptor) [pid 696] close(23) = -1 EBADF (Bad file descriptor) [pid 696] close(24) = -1 EBADF (Bad file descriptor) [pid 696] close(25) = -1 EBADF (Bad file descriptor) [pid 696] close(26) = -1 EBADF (Bad file descriptor) [pid 696] close(27) = -1 EBADF (Bad file descriptor) [pid 696] close(28) = -1 EBADF (Bad file descriptor) [pid 696] close(29) = -1 EBADF (Bad file descriptor) [pid 696] exit_group(0) = ? [pid 698] <... futex resumed>) = ? [pid 698] +++ exited with 0 +++ [pid 697] +++ exited with 0 +++ [pid 696] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=406, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 699 attached , child_tidptr=0x55555756f750) = 409 [pid 699] set_robust_list(0x55555756f760, 24) = 0 [pid 699] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 699] setpgid(0, 0) = 0 [pid 699] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 699] write(3, "1000", 4) = 4 [pid 699] close(3) = 0 [pid 699] write(1, "executing program\n", 18executing program ) = 18 [pid 699] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 699] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 699] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 699] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 699] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 699] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 699] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0} => {parent_tid=[410]}, 88) = 410 [pid 699] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 699] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 699] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 699] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf61c000 [pid 699] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 699] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 699] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0} => {parent_tid=[411]}, 88) = 411 [pid 699] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 699] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 699] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 701 attached [pid 701] set_robust_list(0x7f43bf63c9a0, 24) = 0 [pid 701] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 701] openat(AT_FDCWD, "/selinux/policy", O_RDONLY./strace-static-x86_64: Process 700 attached [pid 700] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 700] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 700] memfd_create("syzkaller", 0) = 4 [pid 700] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b721c000 [pid 700] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 700] munmap(0x7f43b721c000, 138412032) = 0 [pid 700] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 700] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy) [pid 700] ioctl(5, LOOP_CLR_FD) = 0 [pid 701] <... openat resumed>) = 3 [pid 701] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 699] <... futex resumed>) = 0 [pid 699] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 699] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 701] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 700] ioctl(5, LOOP_SET_FD, 4 [pid 701] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 700] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 701] <... futex resumed>) = 1 [pid 700] close(5 [pid 699] <... futex resumed>) = 0 [pid 699] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 699] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 700] <... close resumed>) = 0 [pid 700] close(4 [pid 701] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 701] mkdirat(AT_FDCWD, 0x200000000280, 0117 [pid 700] <... close resumed>) = 0 [pid 701] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 700] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 701] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 700] <... futex resumed>) = 0 [pid 701] <... futex resumed>) = 1 [pid 700] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 699] <... futex resumed>) = 0 [pid 699] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 699] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 701] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 700] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 700] creat(0x200000000040, 000) = 4 [pid 700] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 699] <... futex resumed>) = 0 [pid 699] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 699] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 700] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 700] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 699] <... futex resumed>) = 0 [pid 699] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 699] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 700] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 700] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 699] <... futex resumed>) = 0 [pid 699] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 699] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 700] write(5, 0x200000000080, 34136651) = 131072 [pid 700] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 699] <... futex resumed>) = 0 [pid 699] close(3) = 0 [pid 699] close(4) = 0 [pid 699] close(5) = 0 [pid 699] close(6) = -1 EBADF (Bad file descriptor) [pid 699] close(7) = -1 EBADF (Bad file descriptor) [pid 699] close(8) = -1 EBADF (Bad file descriptor) [pid 699] close(9) = -1 EBADF (Bad file descriptor) [pid 699] close(10) = -1 EBADF (Bad file descriptor) [pid 699] close(11) = -1 EBADF (Bad file descriptor) [pid 699] close(12) = -1 EBADF (Bad file descriptor) [pid 699] close(13) = -1 EBADF (Bad file descriptor) [pid 699] close(14) = -1 EBADF (Bad file descriptor) [pid 699] close(15) = -1 EBADF (Bad file descriptor) [pid 699] close(16) = -1 EBADF (Bad file descriptor) [pid 699] close(17) = -1 EBADF (Bad file descriptor) [pid 699] close(18) = -1 EBADF (Bad file descriptor) [pid 699] close(19) = -1 EBADF (Bad file descriptor) [pid 699] close(20) = -1 EBADF (Bad file descriptor) [pid 699] close(21) = -1 EBADF (Bad file descriptor) [pid 699] close(22) = -1 EBADF (Bad file descriptor) [pid 699] close(23) = -1 EBADF (Bad file descriptor) [pid 699] close(24) = -1 EBADF (Bad file descriptor) [pid 699] close(25) = -1 EBADF (Bad file descriptor) [pid 700] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 699] close(26) = -1 EBADF (Bad file descriptor) [pid 699] close(27) = -1 EBADF (Bad file descriptor) [pid 699] close(28) = -1 EBADF (Bad file descriptor) [pid 699] close(29) = -1 EBADF (Bad file descriptor) [pid 699] exit_group(0) = ? [pid 701] <... futex resumed>) = ? [pid 700] <... futex resumed>) = ? [pid 701] +++ exited with 0 +++ [pid 700] +++ exited with 0 +++ [pid 699] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=409, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 702 attached , child_tidptr=0x55555756f750) = 412 [pid 702] set_robust_list(0x55555756f760, 24) = 0 [pid 702] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 702] setpgid(0, 0) = 0 [pid 702] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 702] write(3, "1000", 4) = 4 [pid 702] close(3) = 0 [pid 702] write(1, "executing program\n", 18executing program ) = 18 [pid 702] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 702] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 702] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 702] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 702] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 702] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 702] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0}./strace-static-x86_64: Process 703 attached => {parent_tid=[413]}, 88) = 413 [pid 702] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 702] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 702] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 702] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf61c000 [pid 702] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 702] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 702] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0}./strace-static-x86_64: Process 704 attached [pid 704] set_robust_list(0x7f43bf63c9a0, 24 [pid 702] <... clone3 resumed> => {parent_tid=[414]}, 88) = 414 [pid 704] <... set_robust_list resumed>) = 0 [pid 702] rt_sigprocmask(SIG_SETMASK, [], [pid 704] rt_sigprocmask(SIG_SETMASK, [], [pid 702] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 703] set_robust_list(0x7f43bf65d9a0, 24 [pid 702] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000 [pid 704] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 703] <... set_robust_list resumed>) = 0 [pid 702] <... futex resumed>) = 0 [pid 704] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 702] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 703] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 703] memfd_create("syzkaller", 0) = 4 [pid 703] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b721c000 [pid 703] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 703] munmap(0x7f43b721c000, 138412032) = 0 [pid 703] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 703] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy) [pid 703] ioctl(5, LOOP_CLR_FD) = 0 [pid 704] <... openat resumed>) = 3 [pid 703] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy) [pid 703] close(5) = 0 [pid 703] close(4 [pid 704] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 703] <... close resumed>) = 0 [pid 704] <... futex resumed>) = 1 [pid 702] <... futex resumed>) = 0 [pid 703] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 702] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000 [pid 703] <... futex resumed>) = 0 [pid 702] <... futex resumed>) = 0 [pid 703] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 702] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 704] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 704] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 702] <... futex resumed>) = 0 [pid 702] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 702] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 703] <... futex resumed>) = 0 [pid 703] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 704] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 703] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 703] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 702] <... futex resumed>) = 0 [pid 702] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 702] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 703] <... futex resumed>) = 1 [pid 703] creat(0x200000000040, 000) = 4 [pid 703] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 702] <... futex resumed>) = 0 [pid 702] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 702] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 703] <... futex resumed>) = 1 [pid 703] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 703] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 702] <... futex resumed>) = 0 [pid 703] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c [pid 702] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 703] <... open resumed>) = 5 [pid 702] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 703] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 702] <... futex resumed>) = 0 [pid 703] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 702] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 702] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 703] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 703] write(5, 0x200000000080, 34136651) = 131072 [pid 703] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 702] <... futex resumed>) = 0 [pid 702] close(3 [pid 703] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 702] <... close resumed>) = 0 [pid 702] close(4) = 0 [pid 702] close(5) = 0 [pid 702] close(6) = -1 EBADF (Bad file descriptor) [pid 702] close(7) = -1 EBADF (Bad file descriptor) [pid 702] close(8) = -1 EBADF (Bad file descriptor) [pid 702] close(9) = -1 EBADF (Bad file descriptor) [pid 702] close(10) = -1 EBADF (Bad file descriptor) [pid 702] close(11) = -1 EBADF (Bad file descriptor) [pid 702] close(12) = -1 EBADF (Bad file descriptor) [pid 702] close(13) = -1 EBADF (Bad file descriptor) [pid 702] close(14) = -1 EBADF (Bad file descriptor) [pid 702] close(15) = -1 EBADF (Bad file descriptor) [pid 702] close(16) = -1 EBADF (Bad file descriptor) [pid 702] close(17) = -1 EBADF (Bad file descriptor) [pid 702] close(18) = -1 EBADF (Bad file descriptor) [pid 702] close(19) = -1 EBADF (Bad file descriptor) [pid 702] close(20) = -1 EBADF (Bad file descriptor) [pid 702] close(21) = -1 EBADF (Bad file descriptor) [pid 702] close(22) = -1 EBADF (Bad file descriptor) [pid 702] close(23) = -1 EBADF (Bad file descriptor) [pid 702] close(24) = -1 EBADF (Bad file descriptor) [pid 702] close(25) = -1 EBADF (Bad file descriptor) [pid 702] close(26) = -1 EBADF (Bad file descriptor) [pid 702] close(27) = -1 EBADF (Bad file descriptor) [pid 702] close(28) = -1 EBADF (Bad file descriptor) [pid 702] close(29) = -1 EBADF (Bad file descriptor) [pid 702] exit_group(0 [pid 704] <... futex resumed>) = ? [pid 702] <... exit_group resumed>) = ? [pid 704] +++ exited with 0 +++ [pid 703] <... futex resumed>) = ? [pid 703] +++ exited with 0 +++ [pid 702] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=412, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 705 attached [pid 705] set_robust_list(0x55555756f760, 24 [pid 289] <... clone resumed>, child_tidptr=0x55555756f750) = 415 [pid 705] <... set_robust_list resumed>) = 0 [pid 705] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 705] setpgid(0, 0) = 0 [pid 705] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 705] write(3, "1000", 4) = 4 [pid 705] close(3) = 0 executing program [pid 705] write(1, "executing program\n", 18) = 18 [pid 705] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 705] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 705] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 705] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 705] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 705] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 705] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0} => {parent_tid=[416]}, 88) = 416 ./strace-static-x86_64: Process 706 attached [pid 705] rt_sigprocmask(SIG_SETMASK, [], [pid 706] set_robust_list(0x7f43bf65d9a0, 24 [pid 705] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 706] <... set_robust_list resumed>) = 0 [pid 705] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 706] rt_sigprocmask(SIG_SETMASK, [], [pid 705] <... futex resumed>) = 0 [pid 706] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 705] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 706] memfd_create("syzkaller", 0 [pid 705] <... futex resumed>) = 0 [pid 706] <... memfd_create resumed>) = 3 [pid 705] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 706] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 705] <... mmap resumed>) = 0x7f43bf61c000 [pid 706] <... mmap resumed>) = 0x7f43b721c000 [pid 705] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE [pid 706] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 705] <... mprotect resumed>) = 0 [pid 705] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 705] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0} => {parent_tid=[417]}, 88) = 417 [pid 705] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 705] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 705] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 707 attached [pid 706] <... write resumed>) = 131072 [pid 707] set_robust_list(0x7f43bf63c9a0, 24 [pid 706] munmap(0x7f43b721c000, 138412032 [pid 707] <... set_robust_list resumed>) = 0 [pid 706] <... munmap resumed>) = 0 [pid 707] rt_sigprocmask(SIG_SETMASK, [], [pid 706] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 707] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 706] <... openat resumed>) = 4 [pid 707] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 706] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 706] ioctl(4, LOOP_CLR_FD) = 0 [pid 706] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 706] close(4) = 0 [pid 706] close(3) = 0 [pid 706] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 706] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 707] <... openat resumed>) = 5 [pid 707] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 705] <... futex resumed>) = 0 [pid 705] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 706] <... futex resumed>) = 0 [pid 705] <... futex resumed>) = 1 [pid 706] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 5, 0 [pid 707] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 706] <... mmap resumed>) = 0x200000000000 [pid 705] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 706] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 705] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 706] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 705] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 706] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 705] <... futex resumed>) = 0 [pid 706] mkdirat(AT_FDCWD, 0x200000000280, 0117 [pid 705] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 706] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 706] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 705] <... futex resumed>) = 0 [pid 706] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 705] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 706] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 705] <... futex resumed>) = 0 [pid 706] creat(0x200000000040, 000 [pid 705] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 706] <... creat resumed>) = 3 [pid 706] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 705] <... futex resumed>) = 0 [pid 706] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 705] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 706] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 706] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL [pid 705] <... futex resumed>) = 0 [pid 706] <... mount resumed>) = 0 [pid 705] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 706] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 705] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 706] <... futex resumed>) = 0 [pid 705] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 706] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c [pid 705] <... futex resumed>) = 0 [pid 706] <... open resumed>) = 4 [pid 705] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 706] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 705] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 706] <... futex resumed>) = 0 [pid 706] write(4, 0x200000000080, 34136651 [pid 705] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 705] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 706] <... write resumed>) = 131072 [pid 706] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 705] <... futex resumed>) = 0 [pid 706] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 705] close(3) = 0 [pid 705] close(4) = 0 [pid 705] close(5) = 0 [pid 705] close(6) = -1 EBADF (Bad file descriptor) [pid 705] close(7) = -1 EBADF (Bad file descriptor) [pid 705] close(8) = -1 EBADF (Bad file descriptor) [pid 705] close(9) = -1 EBADF (Bad file descriptor) [pid 705] close(10) = -1 EBADF (Bad file descriptor) [pid 705] close(11) = -1 EBADF (Bad file descriptor) [pid 705] close(12) = -1 EBADF (Bad file descriptor) [pid 705] close(13) = -1 EBADF (Bad file descriptor) [pid 705] close(14) = -1 EBADF (Bad file descriptor) [pid 705] close(15) = -1 EBADF (Bad file descriptor) [pid 705] close(16) = -1 EBADF (Bad file descriptor) [pid 705] close(17) = -1 EBADF (Bad file descriptor) [pid 705] close(18) = -1 EBADF (Bad file descriptor) [pid 705] close(19) = -1 EBADF (Bad file descriptor) [pid 705] close(20) = -1 EBADF (Bad file descriptor) [pid 705] close(21) = -1 EBADF (Bad file descriptor) [pid 705] close(22) = -1 EBADF (Bad file descriptor) [pid 705] close(23) = -1 EBADF (Bad file descriptor) [pid 705] close(24) = -1 EBADF (Bad file descriptor) [pid 705] close(25) = -1 EBADF (Bad file descriptor) [pid 705] close(26) = -1 EBADF (Bad file descriptor) [pid 705] close(27) = -1 EBADF (Bad file descriptor) [pid 705] close(28) = -1 EBADF (Bad file descriptor) [pid 705] close(29) = -1 EBADF (Bad file descriptor) [pid 705] exit_group(0 [pid 707] <... futex resumed>) = ? [pid 706] <... futex resumed>) = ? [pid 705] <... exit_group resumed>) = ? [pid 707] +++ exited with 0 +++ [pid 706] +++ exited with 0 +++ [pid 705] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=415, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 708 attached , child_tidptr=0x55555756f750) = 418 [pid 708] set_robust_list(0x55555756f760, 24) = 0 [pid 708] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 708] setpgid(0, 0) = 0 [pid 708] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 708] write(3, "1000", 4) = 4 [pid 708] close(3) = 0 [pid 708] write(1, "executing program\n", 18executing program ) = 18 [pid 708] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 708] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 708] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 708] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 708] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 708] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 708] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0}./strace-static-x86_64: Process 709 attached [pid 709] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 709] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 709] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 708] <... clone3 resumed> => {parent_tid=[419]}, 88) = 419 [pid 708] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 708] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 709] <... futex resumed>) = 0 [pid 708] <... futex resumed>) = 1 [pid 709] memfd_create("syzkaller", 0 [pid 708] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 709] <... memfd_create resumed>) = 3 [pid 708] <... futex resumed>) = 0 [pid 709] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b723d000 [pid 708] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43b721c000 [pid 708] mprotect(0x7f43b721d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 708] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 708] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43b723c990, parent_tid=0x7f43b723c990, exit_signal=0, stack=0x7f43b721c000, stack_size=0x20240, tls=0x7f43b723c6c0}./strace-static-x86_64: Process 710 attached => {parent_tid=[420]}, 88) = 420 [pid 710] set_robust_list(0x7f43b723c9a0, 24 [pid 708] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 710] <... set_robust_list resumed>) = 0 [pid 708] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000 [pid 710] rt_sigprocmask(SIG_SETMASK, [], [pid 708] <... futex resumed>) = 0 [pid 708] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 710] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 710] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 709] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 709] munmap(0x7f43b723d000, 138412032) = 0 [pid 709] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 709] ioctl(5, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 709] ioctl(5, LOOP_CLR_FD) = 0 [pid 709] ioctl(5, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 709] close(5) = 0 [pid 709] close(3) = 0 [pid 709] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 709] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 710] <... openat resumed>) = 4 [pid 710] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 708] <... futex resumed>) = 0 [pid 708] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 708] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 709] <... futex resumed>) = 0 [pid 709] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 4, 0 [pid 710] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 709] <... mmap resumed>) = 0x200000000000 [pid 709] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 708] <... futex resumed>) = 0 [pid 708] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 708] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 709] <... futex resumed>) = 1 [pid 709] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 709] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 709] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 708] <... futex resumed>) = 0 [pid 708] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 708] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 709] creat(0x200000000040, 000) = 3 [pid 709] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 708] <... futex resumed>) = 0 [pid 708] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 708] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 709] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 709] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 708] <... futex resumed>) = 0 [pid 708] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 708] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 709] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 709] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 708] <... futex resumed>) = 0 [pid 708] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 708] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 709] write(5, 0x200000000080, 34136651) = 131072 [pid 709] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 708] <... futex resumed>) = 0 [pid 708] close(3) = 0 [pid 708] close(4) = 0 [pid 708] close(5) = 0 [pid 708] close(6) = -1 EBADF (Bad file descriptor) [pid 708] close(7) = -1 EBADF (Bad file descriptor) [pid 708] close(8) = -1 EBADF (Bad file descriptor) [pid 708] close(9) = -1 EBADF (Bad file descriptor) [pid 708] close(10) = -1 EBADF (Bad file descriptor) [pid 708] close(11) = -1 EBADF (Bad file descriptor) [pid 708] close(12) = -1 EBADF (Bad file descriptor) [pid 708] close(13) = -1 EBADF (Bad file descriptor) [pid 708] close(14) = -1 EBADF (Bad file descriptor) [pid 708] close(15) = -1 EBADF (Bad file descriptor) [pid 708] close(16) = -1 EBADF (Bad file descriptor) [pid 708] close(17) = -1 EBADF (Bad file descriptor) [pid 708] close(18) = -1 EBADF (Bad file descriptor) [pid 708] close(19) = -1 EBADF (Bad file descriptor) [pid 708] close(20) = -1 EBADF (Bad file descriptor) [pid 708] close(21) = -1 EBADF (Bad file descriptor) [pid 708] close(22) = -1 EBADF (Bad file descriptor) [pid 708] close(23) = -1 EBADF (Bad file descriptor) [pid 708] close(24) = -1 EBADF (Bad file descriptor) [pid 708] close(25) = -1 EBADF (Bad file descriptor) [pid 708] close(26) = -1 EBADF (Bad file descriptor) [pid 708] close(27) = -1 EBADF (Bad file descriptor) [pid 708] close(28) = -1 EBADF (Bad file descriptor) [pid 708] close(29) = -1 EBADF (Bad file descriptor) [pid 708] exit_group(0) = ? [pid 710] <... futex resumed>) = ? [pid 710] +++ exited with 0 +++ [pid 709] +++ exited with 0 +++ [pid 708] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=418, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 711 attached , child_tidptr=0x55555756f750) = 421 [pid 711] set_robust_list(0x55555756f760, 24) = 0 [pid 711] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 711] setpgid(0, 0) = 0 [pid 711] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 711] write(3, "1000", 4) = 4 [pid 711] close(3) = 0 executing program [pid 711] write(1, "executing program\n", 18) = 18 [pid 711] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 711] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 711] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 711] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 711] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 711] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 711] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0} => {parent_tid=[422]}, 88) = 422 ./strace-static-x86_64: Process 712 attached [pid 711] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 711] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 711] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 711] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf61c000 [pid 711] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 712] set_robust_list(0x7f43bf65d9a0, 24 [pid 711] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 711] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0}./strace-static-x86_64: Process 713 attached [pid 712] <... set_robust_list resumed>) = 0 [pid 712] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 713] set_robust_list(0x7f43bf63c9a0, 24 [pid 711] <... clone3 resumed> => {parent_tid=[423]}, 88) = 423 [pid 712] memfd_create("syzkaller", 0 [pid 711] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 711] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 711] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 713] <... set_robust_list resumed>) = 0 [pid 713] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 713] openat(AT_FDCWD, "/selinux/policy", O_RDONLY) = 3 [pid 712] <... memfd_create resumed>) = 4 [pid 713] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 711] <... futex resumed>) = 0 [pid 711] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 711] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 713] <... futex resumed>) = 1 [pid 713] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0 [pid 712] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 713] <... mmap resumed>) = 0x200000000000 [pid 712] <... mmap resumed>) = 0x7f43b721c000 [pid 712] munmap(0x7f43b721c000, 138412032) = 0 [pid 712] close(4) = 0 [pid 712] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 712] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 713] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 711] <... futex resumed>) = 0 [pid 711] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 711] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 712] <... futex resumed>) = 0 [pid 712] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 713] <... futex resumed>) = 1 [pid 713] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 712] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 712] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 711] <... futex resumed>) = 0 [pid 711] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 711] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 712] <... futex resumed>) = 1 [pid 712] creat(0x200000000040, 000) = 4 [pid 712] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 711] <... futex resumed>) = 0 [pid 711] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 712] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL [pid 711] <... futex resumed>) = 0 [pid 711] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 712] <... mount resumed>) = 0 [pid 712] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 711] <... futex resumed>) = 0 [pid 712] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c [pid 711] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 711] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 712] <... open resumed>) = 5 [pid 712] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 711] <... futex resumed>) = 0 [pid 712] write(5, 0x200000000080, 34136651 [pid 711] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 711] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 712] <... write resumed>) = 131072 [pid 712] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 711] <... futex resumed>) = 0 [pid 711] close(3) = 0 [pid 711] close(4) = 0 [pid 711] close(5) = 0 [pid 711] close(6) = -1 EBADF (Bad file descriptor) [pid 711] close(7) = -1 EBADF (Bad file descriptor) [pid 711] close(8) = -1 EBADF (Bad file descriptor) [pid 711] close(9) = -1 EBADF (Bad file descriptor) [pid 711] close(10) = -1 EBADF (Bad file descriptor) [pid 711] close(11) = -1 EBADF (Bad file descriptor) [pid 711] close(12) = -1 EBADF (Bad file descriptor) [pid 711] close(13) = -1 EBADF (Bad file descriptor) [pid 711] close(14) = -1 EBADF (Bad file descriptor) [pid 711] close(15) = -1 EBADF (Bad file descriptor) [pid 711] close(16) = -1 EBADF (Bad file descriptor) [pid 711] close(17) = -1 EBADF (Bad file descriptor) [pid 711] close(18) = -1 EBADF (Bad file descriptor) [pid 711] close(19) = -1 EBADF (Bad file descriptor) [pid 711] close(20) = -1 EBADF (Bad file descriptor) [pid 711] close(21) = -1 EBADF (Bad file descriptor) [pid 711] close(22) = -1 EBADF (Bad file descriptor) [pid 711] close(23) = -1 EBADF (Bad file descriptor) [pid 711] close(24) = -1 EBADF (Bad file descriptor) [pid 711] close(25) = -1 EBADF (Bad file descriptor) [pid 711] close(26) = -1 EBADF (Bad file descriptor) [pid 711] close(27) = -1 EBADF (Bad file descriptor) [pid 711] close(28) = -1 EBADF (Bad file descriptor) [pid 711] close(29) = -1 EBADF (Bad file descriptor) [pid 711] exit_group(0 [pid 712] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 711] <... exit_group resumed>) = ? [pid 712] <... futex resumed>) = ? [pid 713] <... futex resumed>) = ? [pid 712] +++ exited with 0 +++ [pid 713] +++ exited with 0 +++ [pid 711] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=421, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 714 attached , child_tidptr=0x55555756f750) = 424 [pid 714] set_robust_list(0x55555756f760, 24) = 0 [pid 714] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 714] setpgid(0, 0) = 0 [pid 714] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 714] write(3, "1000", 4) = 4 [pid 714] close(3) = 0 [pid 714] write(1, "executing program\n", 18executing program ) = 18 [pid 714] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 714] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 714] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 714] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 714] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 714] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 714] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0}./strace-static-x86_64: Process 715 attached [pid 715] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 715] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 715] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 714] <... clone3 resumed> => {parent_tid=[425]}, 88) = 425 [pid 714] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 714] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 715] <... futex resumed>) = 0 [pid 714] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 715] memfd_create("syzkaller", 0 [pid 714] <... futex resumed>) = 0 [pid 715] <... memfd_create resumed>) = 3 [pid 715] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b723d000 [pid 714] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43b721c000 [pid 714] mprotect(0x7f43b721d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 714] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 714] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43b723c990, parent_tid=0x7f43b723c990, exit_signal=0, stack=0x7f43b721c000, stack_size=0x20240, tls=0x7f43b723c6c0} [pid 715] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072./strace-static-x86_64: Process 716 attached [pid 714] <... clone3 resumed> => {parent_tid=[426]}, 88) = 426 [pid 714] rt_sigprocmask(SIG_SETMASK, [], [pid 716] set_robust_list(0x7f43b723c9a0, 24 [pid 715] <... write resumed>) = 131072 [pid 715] munmap(0x7f43b723d000, 138412032 [pid 714] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 716] <... set_robust_list resumed>) = 0 [pid 715] <... munmap resumed>) = 0 [pid 716] rt_sigprocmask(SIG_SETMASK, [], [pid 714] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000 [pid 715] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 714] <... futex resumed>) = 0 [pid 714] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 715] <... openat resumed>) = 4 [pid 715] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 715] ioctl(4, LOOP_CLR_FD) = 0 [pid 716] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 716] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 715] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 715] close(4) = 0 [pid 715] close(3) = 0 [pid 715] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 715] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 716] <... openat resumed>) = 5 [pid 716] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 714] <... futex resumed>) = 0 [pid 714] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 714] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 715] <... futex resumed>) = 0 [pid 715] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 5, 0) = 0x200000000000 [pid 715] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 714] <... futex resumed>) = 0 [pid 714] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 714] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 715] <... futex resumed>) = 1 [pid 715] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 715] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 715] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 714] <... futex resumed>) = 0 [pid 714] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 714] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 715] <... futex resumed>) = 1 [pid 715] creat(0x200000000040, 000) = 3 [pid 715] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 714] <... futex resumed>) = 0 [pid 714] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 714] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 715] <... futex resumed>) = 1 [pid 715] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 715] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 714] <... futex resumed>) = 0 [pid 714] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 714] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 715] <... futex resumed>) = 1 [pid 715] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 4 [pid 715] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 714] <... futex resumed>) = 0 [pid 714] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 714] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 715] <... futex resumed>) = 1 [pid 715] write(4, 0x200000000080, 34136651 [pid 716] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 715] <... write resumed>) = 131072 [pid 715] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 714] <... futex resumed>) = 0 [pid 714] close(3) = 0 [pid 714] close(4) = 0 [pid 714] close(5) = 0 [pid 714] close(6) = -1 EBADF (Bad file descriptor) [pid 714] close(7) = -1 EBADF (Bad file descriptor) [pid 714] close(8) = -1 EBADF (Bad file descriptor) [pid 714] close(9) = -1 EBADF (Bad file descriptor) [pid 714] close(10) = -1 EBADF (Bad file descriptor) [pid 714] close(11) = -1 EBADF (Bad file descriptor) [pid 714] close(12) = -1 EBADF (Bad file descriptor) [pid 714] close(13) = -1 EBADF (Bad file descriptor) [pid 714] close(14) = -1 EBADF (Bad file descriptor) [pid 714] close(15) = -1 EBADF (Bad file descriptor) [pid 714] close(16) = -1 EBADF (Bad file descriptor) [pid 714] close(17) = -1 EBADF (Bad file descriptor) [pid 714] close(18) = -1 EBADF (Bad file descriptor) [pid 714] close(19) = -1 EBADF (Bad file descriptor) [pid 714] close(20) = -1 EBADF (Bad file descriptor) [pid 714] close(21) = -1 EBADF (Bad file descriptor) [pid 714] close(22) = -1 EBADF (Bad file descriptor) [pid 714] close(23) = -1 EBADF (Bad file descriptor) [pid 714] close(24) = -1 EBADF (Bad file descriptor) [pid 714] close(25) = -1 EBADF (Bad file descriptor) [pid 714] close(26) = -1 EBADF (Bad file descriptor) [pid 714] close(27) = -1 EBADF (Bad file descriptor) [pid 714] close(28) = -1 EBADF (Bad file descriptor) [pid 714] close(29) = -1 EBADF (Bad file descriptor) [pid 714] exit_group(0) = ? [pid 716] <... futex resumed>) = ? [pid 715] <... futex resumed>) = ? [pid 715] +++ exited with 0 +++ [pid 716] +++ exited with 0 +++ [pid 714] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=424, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756f750) = 427 ./strace-static-x86_64: Process 717 attached [pid 717] set_robust_list(0x55555756f760, 24) = 0 [pid 717] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 717] setpgid(0, 0) = 0 [pid 717] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 717] write(3, "1000", 4) = 4 [pid 717] close(3executing program ) = 0 [pid 717] write(1, "executing program\n", 18) = 18 [pid 717] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 717] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 717] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 717] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 717] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 717] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 717] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0}./strace-static-x86_64: Process 718 attached => {parent_tid=[428]}, 88) = 428 [pid 718] set_robust_list(0x7f43bf65d9a0, 24 [pid 717] rt_sigprocmask(SIG_SETMASK, [], [pid 718] <... set_robust_list resumed>) = 0 [pid 718] rt_sigprocmask(SIG_SETMASK, [], [pid 717] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 718] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 717] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 718] memfd_create("syzkaller", 0 [pid 717] <... futex resumed>) = 0 [pid 717] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 718] <... memfd_create resumed>) = 3 [pid 718] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 717] <... futex resumed>) = 0 [pid 718] <... mmap resumed>) = 0x7f43b723d000 [pid 717] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43b721c000 [pid 718] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 717] mprotect(0x7f43b721d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 718] <... write resumed>) = 131072 [pid 717] rt_sigprocmask(SIG_BLOCK, ~[], [pid 718] munmap(0x7f43b723d000, 138412032 [pid 717] <... rt_sigprocmask resumed>[], 8) = 0 [pid 717] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43b723c990, parent_tid=0x7f43b723c990, exit_signal=0, stack=0x7f43b721c000, stack_size=0x20240, tls=0x7f43b723c6c0} [pid 718] <... munmap resumed>) = 0 ./strace-static-x86_64: Process 719 attached [pid 719] set_robust_list(0x7f43b723c9a0, 24) = 0 [pid 719] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 719] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 718] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 717] <... clone3 resumed> => {parent_tid=[429]}, 88) = 429 [pid 718] <... openat resumed>) = 4 [pid 718] ioctl(4, LOOP_SET_FD, 3 [pid 717] rt_sigprocmask(SIG_SETMASK, [], [pid 718] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 717] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 718] ioctl(4, LOOP_CLR_FD [pid 717] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000 [pid 718] <... ioctl resumed>) = 0 [pid 717] <... futex resumed>) = 1 [pid 719] <... futex resumed>) = 0 [pid 717] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 719] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 718] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 718] close(4) = 0 [pid 718] close(3) = 0 [pid 718] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 718] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 719] <... openat resumed>) = 5 [pid 719] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 717] <... futex resumed>) = 0 [pid 717] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 717] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 718] <... futex resumed>) = 0 [pid 718] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 5, 0 [pid 719] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 718] <... mmap resumed>) = 0x200000000000 [pid 718] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 717] <... futex resumed>) = 0 [pid 717] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 717] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 718] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 718] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 718] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 718] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 717] <... futex resumed>) = 0 [pid 717] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 717] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 718] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 718] creat(0x200000000040, 000) = 3 [pid 718] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 717] <... futex resumed>) = 0 [pid 717] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 717] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 718] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 718] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 718] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 717] <... futex resumed>) = 0 [pid 717] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 717] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 718] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 718] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 4 [pid 718] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 718] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 717] <... futex resumed>) = 0 [pid 717] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 717] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 718] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 718] write(4, 0x200000000080, 34136651) = 131072 [pid 718] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 717] <... futex resumed>) = 0 [pid 717] close(3) = 0 [pid 717] close(4) = 0 [pid 717] close(5) = 0 [pid 717] close(6) = -1 EBADF (Bad file descriptor) [pid 717] close(7) = -1 EBADF (Bad file descriptor) [pid 717] close(8) = -1 EBADF (Bad file descriptor) [pid 717] close(9 [pid 718] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 717] close(10) = -1 EBADF (Bad file descriptor) [pid 717] close(11) = -1 EBADF (Bad file descriptor) [pid 717] close(12) = -1 EBADF (Bad file descriptor) [pid 717] close(13) = -1 EBADF (Bad file descriptor) [pid 717] close(14) = -1 EBADF (Bad file descriptor) [pid 717] close(15) = -1 EBADF (Bad file descriptor) [pid 717] close(16) = -1 EBADF (Bad file descriptor) [pid 717] close(17) = -1 EBADF (Bad file descriptor) [pid 717] close(18) = -1 EBADF (Bad file descriptor) [pid 717] close(19) = -1 EBADF (Bad file descriptor) [pid 717] close(20) = -1 EBADF (Bad file descriptor) [pid 717] close(21) = -1 EBADF (Bad file descriptor) [pid 717] close(22) = -1 EBADF (Bad file descriptor) [pid 717] close(23) = -1 EBADF (Bad file descriptor) [pid 717] close(24) = -1 EBADF (Bad file descriptor) [pid 717] close(25) = -1 EBADF (Bad file descriptor) [pid 717] close(26) = -1 EBADF (Bad file descriptor) [pid 717] close(27) = -1 EBADF (Bad file descriptor) [pid 717] close(28) = -1 EBADF (Bad file descriptor) [pid 717] close(29) = -1 EBADF (Bad file descriptor) [pid 717] exit_group(0 [pid 718] <... futex resumed>) = ? [pid 719] <... futex resumed>) = ? [pid 717] <... exit_group resumed>) = ? [pid 719] +++ exited with 0 +++ [pid 718] +++ exited with 0 +++ [pid 717] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=427, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756f750) = 430 ./strace-static-x86_64: Process 720 attached [pid 720] set_robust_list(0x55555756f760, 24) = 0 [pid 720] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 720] setpgid(0, 0) = 0 [pid 720] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 720] write(3, "1000", 4) = 4 [pid 720] close(3) = 0 executing program [pid 720] write(1, "executing program\n", 18) = 18 [pid 720] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 720] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 720] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 720] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 720] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 720] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 720] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0}./strace-static-x86_64: Process 721 attached => {parent_tid=[431]}, 88) = 431 [pid 721] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 721] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 721] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 720] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 720] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 721] <... futex resumed>) = 0 [pid 720] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 721] memfd_create("syzkaller", 0) = 3 [pid 721] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b723d000 [pid 720] <... futex resumed>) = 0 [pid 720] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43b721c000 [pid 720] mprotect(0x7f43b721d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 720] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 720] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43b723c990, parent_tid=0x7f43b723c990, exit_signal=0, stack=0x7f43b721c000, stack_size=0x20240, tls=0x7f43b723c6c0}./strace-static-x86_64: Process 722 attached => {parent_tid=[432]}, 88) = 432 [pid 721] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 720] rt_sigprocmask(SIG_SETMASK, [], [pid 722] set_robust_list(0x7f43b723c9a0, 24 [pid 720] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 722] <... set_robust_list resumed>) = 0 [pid 720] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000 [pid 721] <... write resumed>) = 131072 [pid 721] munmap(0x7f43b723d000, 138412032 [pid 720] <... futex resumed>) = 0 [pid 722] rt_sigprocmask(SIG_SETMASK, [], [pid 720] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 721] <... munmap resumed>) = 0 [pid 721] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 721] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 721] ioctl(4, LOOP_CLR_FD) = 0 [pid 722] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 722] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 721] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 721] close(4) = 0 [pid 721] close(3) = 0 [pid 721] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 721] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 722] <... openat resumed>) = 5 [pid 722] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 720] <... futex resumed>) = 0 [pid 720] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 720] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 721] <... futex resumed>) = 0 [pid 721] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 5, 0) = 0x200000000000 [pid 721] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 720] <... futex resumed>) = 0 [pid 720] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 720] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 721] <... futex resumed>) = 1 [pid 721] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 721] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 721] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 720] <... futex resumed>) = 0 [pid 720] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 720] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 721] <... futex resumed>) = 1 [pid 721] creat(0x200000000040, 000 [pid 722] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 721] <... creat resumed>) = 3 [pid 721] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 720] <... futex resumed>) = 0 [pid 720] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 720] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 721] <... futex resumed>) = 1 [pid 721] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 721] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 720] <... futex resumed>) = 0 [pid 720] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 720] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 721] <... futex resumed>) = 1 [pid 721] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 4 [pid 721] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 720] <... futex resumed>) = 0 [pid 720] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 720] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 721] <... futex resumed>) = 1 [pid 721] write(4, 0x200000000080, 34136651) = 131072 [pid 721] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 720] <... futex resumed>) = 0 [pid 720] close(3) = 0 [pid 720] close(4 [pid 721] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 720] <... close resumed>) = 0 [pid 720] close(5) = 0 [pid 720] close(6) = -1 EBADF (Bad file descriptor) [pid 720] close(7) = -1 EBADF (Bad file descriptor) [pid 720] close(8) = -1 EBADF (Bad file descriptor) [pid 720] close(9) = -1 EBADF (Bad file descriptor) [pid 720] close(10) = -1 EBADF (Bad file descriptor) [pid 720] close(11) = -1 EBADF (Bad file descriptor) [pid 720] close(12) = -1 EBADF (Bad file descriptor) [pid 720] close(13) = -1 EBADF (Bad file descriptor) [pid 720] close(14) = -1 EBADF (Bad file descriptor) [pid 720] close(15) = -1 EBADF (Bad file descriptor) [pid 720] close(16) = -1 EBADF (Bad file descriptor) [pid 720] close(17) = -1 EBADF (Bad file descriptor) [pid 720] close(18) = -1 EBADF (Bad file descriptor) [pid 720] close(19) = -1 EBADF (Bad file descriptor) [pid 720] close(20) = -1 EBADF (Bad file descriptor) [pid 720] close(21) = -1 EBADF (Bad file descriptor) [pid 720] close(22) = -1 EBADF (Bad file descriptor) [pid 720] close(23) = -1 EBADF (Bad file descriptor) [pid 720] close(24) = -1 EBADF (Bad file descriptor) [pid 720] close(25) = -1 EBADF (Bad file descriptor) [pid 720] close(26) = -1 EBADF (Bad file descriptor) [pid 720] close(27) = -1 EBADF (Bad file descriptor) [pid 720] close(28) = -1 EBADF (Bad file descriptor) [pid 720] close(29) = -1 EBADF (Bad file descriptor) [pid 720] exit_group(0) = ? [pid 722] <... futex resumed>) = ? [pid 722] +++ exited with 0 +++ [pid 721] <... futex resumed>) = ? [pid 721] +++ exited with 0 +++ [pid 720] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=430, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 723 attached , child_tidptr=0x55555756f750) = 433 [pid 723] set_robust_list(0x55555756f760, 24) = 0 [pid 723] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 723] setpgid(0, 0) = 0 [pid 723] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 723] write(3, "1000", 4) = 4 [pid 723] close(3) = 0 executing program [pid 723] write(1, "executing program\n", 18) = 18 [pid 723] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 723] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 723] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 723] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 723] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 723] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 723] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0}./strace-static-x86_64: Process 724 attached => {parent_tid=[434]}, 88) = 434 [pid 724] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 724] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 724] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 723] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 723] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 724] <... futex resumed>) = 0 [pid 724] memfd_create("syzkaller", 0 [pid 723] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 724] <... memfd_create resumed>) = 3 [pid 724] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b723d000 [pid 723] <... futex resumed>) = 0 [pid 723] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43b721c000 [pid 723] mprotect(0x7f43b721d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 723] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 723] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43b723c990, parent_tid=0x7f43b723c990, exit_signal=0, stack=0x7f43b721c000, stack_size=0x20240, tls=0x7f43b723c6c0}./strace-static-x86_64: Process 725 attached => {parent_tid=[435]}, 88) = 435 [pid 723] rt_sigprocmask(SIG_SETMASK, [], [pid 724] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 723] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 725] set_robust_list(0x7f43b723c9a0, 24 [pid 723] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000 [pid 725] <... set_robust_list resumed>) = 0 [pid 723] <... futex resumed>) = 0 [pid 723] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 724] <... write resumed>) = 131072 [pid 724] munmap(0x7f43b723d000, 138412032 [pid 725] rt_sigprocmask(SIG_SETMASK, [], [pid 724] <... munmap resumed>) = 0 [pid 724] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 725] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 724] <... openat resumed>) = 4 [pid 724] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 724] ioctl(4, LOOP_CLR_FD) = 0 [pid 725] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 724] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 724] close(4) = 0 [pid 724] close(3) = 0 [pid 724] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 724] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 725] <... openat resumed>) = 5 [pid 725] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 723] <... futex resumed>) = 0 [pid 723] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 723] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 725] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 724] <... futex resumed>) = 0 [pid 724] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 5, 0) = 0x200000000000 [pid 724] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 723] <... futex resumed>) = 0 [pid 723] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 723] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 724] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 724] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 724] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 723] <... futex resumed>) = 0 [pid 723] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 724] creat(0x200000000040, 000 [pid 723] <... futex resumed>) = 0 [pid 723] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 724] <... creat resumed>) = 3 [pid 724] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 723] <... futex resumed>) = 0 [pid 723] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 723] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 724] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 724] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 723] <... futex resumed>) = 0 [pid 723] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 723] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 724] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 4 [pid 724] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 723] <... futex resumed>) = 0 [pid 723] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 723] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 724] write(4, 0x200000000080, 34136651) = 131072 [pid 724] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 723] <... futex resumed>) = 0 [pid 723] close(3) = 0 [pid 723] close(4 [pid 724] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 723] <... close resumed>) = 0 [pid 723] close(5) = 0 [pid 723] close(6) = -1 EBADF (Bad file descriptor) [pid 723] close(7) = -1 EBADF (Bad file descriptor) [pid 723] close(8) = -1 EBADF (Bad file descriptor) [pid 723] close(9) = -1 EBADF (Bad file descriptor) [pid 723] close(10) = -1 EBADF (Bad file descriptor) [pid 723] close(11) = -1 EBADF (Bad file descriptor) [pid 723] close(12) = -1 EBADF (Bad file descriptor) [pid 723] close(13) = -1 EBADF (Bad file descriptor) [pid 723] close(14) = -1 EBADF (Bad file descriptor) [pid 723] close(15) = -1 EBADF (Bad file descriptor) [pid 723] close(16) = -1 EBADF (Bad file descriptor) [pid 723] close(17) = -1 EBADF (Bad file descriptor) [pid 723] close(18) = -1 EBADF (Bad file descriptor) [pid 723] close(19) = -1 EBADF (Bad file descriptor) [pid 723] close(20) = -1 EBADF (Bad file descriptor) [pid 723] close(21) = -1 EBADF (Bad file descriptor) [pid 723] close(22) = -1 EBADF (Bad file descriptor) [pid 723] close(23) = -1 EBADF (Bad file descriptor) [pid 723] close(24) = -1 EBADF (Bad file descriptor) [pid 723] close(25) = -1 EBADF (Bad file descriptor) [pid 723] close(26) = -1 EBADF (Bad file descriptor) [pid 723] close(27) = -1 EBADF (Bad file descriptor) [pid 723] close(28) = -1 EBADF (Bad file descriptor) [pid 723] close(29) = -1 EBADF (Bad file descriptor) [pid 723] exit_group(0) = ? [pid 725] <... futex resumed>) = ? [pid 724] <... futex resumed>) = ? [pid 725] +++ exited with 0 +++ [pid 724] +++ exited with 0 +++ [pid 723] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=433, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 726 attached , child_tidptr=0x55555756f750) = 436 [pid 726] set_robust_list(0x55555756f760, 24) = 0 [pid 726] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 726] setpgid(0, 0) = 0 [pid 726] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 726] write(3, "1000", 4) = 4 [pid 726] close(3) = 0 [pid 726] write(1, "executing program\n", 18executing program ) = 18 [pid 726] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 726] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 726] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 726] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 726] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 726] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 726] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0}./strace-static-x86_64: Process 727 attached => {parent_tid=[437]}, 88) = 437 [pid 727] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 727] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 727] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 726] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 726] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 727] <... futex resumed>) = 0 [pid 727] memfd_create("syzkaller", 0 [pid 726] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 727] <... memfd_create resumed>) = 3 [pid 726] <... futex resumed>) = 0 [pid 727] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 726] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 727] <... mmap resumed>) = 0x7f43b721c000 [pid 726] <... mmap resumed>) = 0x7f43bf61c000 [pid 726] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE [pid 727] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 726] <... mprotect resumed>) = 0 [pid 727] <... write resumed>) = 131072 [pid 727] munmap(0x7f43b721c000, 138412032 [pid 726] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 727] <... munmap resumed>) = 0 [pid 726] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0} [pid 727] openat(AT_FDCWD, "/dev/loop0", O_RDWR./strace-static-x86_64: Process 728 attached [pid 728] set_robust_list(0x7f43bf63c9a0, 24 [pid 726] <... clone3 resumed> => {parent_tid=[438]}, 88) = 438 [pid 728] <... set_robust_list resumed>) = 0 [pid 728] rt_sigprocmask(SIG_SETMASK, [], [pid 726] rt_sigprocmask(SIG_SETMASK, [], [pid 728] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 726] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 728] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 726] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000 [pid 728] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 726] <... futex resumed>) = 0 [pid 728] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 727] <... openat resumed>) = 4 [pid 726] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 727] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 727] ioctl(4, LOOP_CLR_FD) = 0 [pid 727] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 727] close(4) = 0 [pid 727] close(3) = 0 [pid 727] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 727] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 728] <... openat resumed>) = 5 [pid 728] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 726] <... futex resumed>) = 0 [pid 726] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 726] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 727] <... futex resumed>) = 0 [pid 727] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 5, 0) = 0x200000000000 [pid 727] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 726] <... futex resumed>) = 0 [pid 726] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 726] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 727] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 728] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 727] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 727] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 726] <... futex resumed>) = 0 [pid 726] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 726] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 727] creat(0x200000000040, 000) = 3 [pid 727] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 726] <... futex resumed>) = 0 [pid 727] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 726] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 726] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 727] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 727] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 727] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 726] <... futex resumed>) = 0 [pid 726] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 726] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 727] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 4 [pid 727] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 726] <... futex resumed>) = 0 [pid 726] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 726] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 727] write(4, 0x200000000080, 34136651) = 131072 [pid 727] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 726] <... futex resumed>) = 0 [pid 726] close(3) = 0 [pid 726] close(4) = 0 [pid 726] close(5) = 0 [pid 726] close(6) = -1 EBADF (Bad file descriptor) [pid 726] close(7) = -1 EBADF (Bad file descriptor) [pid 727] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 726] close(8) = -1 EBADF (Bad file descriptor) [pid 726] close(9) = -1 EBADF (Bad file descriptor) [pid 726] close(10) = -1 EBADF (Bad file descriptor) [pid 726] close(11) = -1 EBADF (Bad file descriptor) [pid 726] close(12) = -1 EBADF (Bad file descriptor) [pid 726] close(13) = -1 EBADF (Bad file descriptor) [pid 726] close(14) = -1 EBADF (Bad file descriptor) [pid 726] close(15) = -1 EBADF (Bad file descriptor) [pid 726] close(16) = -1 EBADF (Bad file descriptor) [pid 726] close(17) = -1 EBADF (Bad file descriptor) [pid 726] close(18) = -1 EBADF (Bad file descriptor) [pid 726] close(19) = -1 EBADF (Bad file descriptor) [pid 726] close(20) = -1 EBADF (Bad file descriptor) [pid 726] close(21) = -1 EBADF (Bad file descriptor) [pid 726] close(22) = -1 EBADF (Bad file descriptor) [pid 726] close(23) = -1 EBADF (Bad file descriptor) [pid 726] close(24) = -1 EBADF (Bad file descriptor) [pid 726] close(25) = -1 EBADF (Bad file descriptor) [pid 726] close(26) = -1 EBADF (Bad file descriptor) [pid 726] close(27) = -1 EBADF (Bad file descriptor) [pid 726] close(28) = -1 EBADF (Bad file descriptor) [pid 726] close(29) = -1 EBADF (Bad file descriptor) [pid 726] exit_group(0) = ? [pid 727] <... futex resumed>) = ? [pid 727] +++ exited with 0 +++ [pid 728] <... futex resumed>) = ? [pid 728] +++ exited with 0 +++ [pid 726] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=436, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756f750) = 439 ./strace-static-x86_64: Process 729 attached [pid 729] set_robust_list(0x55555756f760, 24) = 0 [pid 729] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 729] setpgid(0, 0) = 0 [pid 729] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 729] write(3, "1000", 4) = 4 executing program [pid 729] close(3) = 0 [pid 729] write(1, "executing program\n", 18) = 18 [pid 729] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 729] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 729] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 729] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 729] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 729] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 729] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0}./strace-static-x86_64: Process 730 attached [pid 730] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 730] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 730] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 729] <... clone3 resumed> => {parent_tid=[440]}, 88) = 440 [pid 729] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 729] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 730] <... futex resumed>) = 0 [pid 730] memfd_create("syzkaller", 0 [pid 729] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 730] <... memfd_create resumed>) = 3 [pid 729] <... futex resumed>) = 0 [pid 730] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b723d000 [pid 729] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43b721c000 [pid 729] mprotect(0x7f43b721d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 729] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 729] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43b723c990, parent_tid=0x7f43b723c990, exit_signal=0, stack=0x7f43b721c000, stack_size=0x20240, tls=0x7f43b723c6c0}./strace-static-x86_64: Process 731 attached => {parent_tid=[441]}, 88) = 441 [pid 731] set_robust_list(0x7f43b723c9a0, 24 [pid 729] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 729] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 729] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 731] <... set_robust_list resumed>) = 0 [pid 731] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 730] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 731] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 730] <... write resumed>) = 131072 [pid 730] munmap(0x7f43b723d000, 138412032) = 0 [pid 730] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 730] ioctl(5, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 730] ioctl(5, LOOP_CLR_FD) = 0 [pid 730] ioctl(5, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 730] close(5) = 0 [pid 730] close(3) = 0 [pid 730] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 730] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 731] <... openat resumed>) = 4 [pid 731] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 729] <... futex resumed>) = 0 [pid 729] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 731] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 729] <... futex resumed>) = 1 [pid 730] <... futex resumed>) = 0 [pid 730] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 4, 0 [pid 729] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 730] <... mmap resumed>) = 0x200000000000 [pid 730] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 730] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 729] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 729] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 730] <... futex resumed>) = 0 [pid 730] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 729] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 730] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 730] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 730] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 729] <... futex resumed>) = 0 [pid 729] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 730] <... futex resumed>) = 0 [pid 730] creat(0x200000000040, 000 [pid 729] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 730] <... creat resumed>) = 3 [pid 730] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 729] <... futex resumed>) = 0 [pid 730] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL [pid 729] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 729] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 730] <... mount resumed>) = 0 [pid 730] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 729] <... futex resumed>) = 0 [pid 730] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c [pid 729] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 729] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 730] <... open resumed>) = 5 [pid 730] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 729] <... futex resumed>) = 0 [pid 730] write(5, 0x200000000080, 34136651 [pid 729] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 729] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 730] <... write resumed>) = 131072 [pid 730] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 729] <... futex resumed>) = 0 [pid 729] close(3) = 0 [pid 729] close(4) = 0 [pid 729] close(5) = 0 [pid 729] close(6) = -1 EBADF (Bad file descriptor) [pid 729] close(7) = -1 EBADF (Bad file descriptor) [pid 729] close(8) = -1 EBADF (Bad file descriptor) [pid 729] close(9) = -1 EBADF (Bad file descriptor) [pid 729] close(10) = -1 EBADF (Bad file descriptor) [pid 729] close(11) = -1 EBADF (Bad file descriptor) [pid 729] close(12) = -1 EBADF (Bad file descriptor) [pid 729] close(13) = -1 EBADF (Bad file descriptor) [pid 729] close(14) = -1 EBADF (Bad file descriptor) [pid 729] close(15) = -1 EBADF (Bad file descriptor) [pid 729] close(16) = -1 EBADF (Bad file descriptor) [pid 729] close(17) = -1 EBADF (Bad file descriptor) [pid 729] close(18) = -1 EBADF (Bad file descriptor) [pid 729] close(19) = -1 EBADF (Bad file descriptor) [pid 729] close(20) = -1 EBADF (Bad file descriptor) [pid 729] close(21) = -1 EBADF (Bad file descriptor) [pid 729] close(22) = -1 EBADF (Bad file descriptor) [pid 729] close(23) = -1 EBADF (Bad file descriptor) [pid 729] close(24) = -1 EBADF (Bad file descriptor) [pid 729] close(25) = -1 EBADF (Bad file descriptor) [pid 729] close(26) = -1 EBADF (Bad file descriptor) [pid 729] close(27) = -1 EBADF (Bad file descriptor) [pid 729] close(28) = -1 EBADF (Bad file descriptor) [pid 729] close(29) = -1 EBADF (Bad file descriptor) [pid 729] exit_group(0) = ? [pid 731] <... futex resumed>) = ? [pid 731] +++ exited with 0 +++ [pid 730] +++ exited with 0 +++ [pid 729] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=439, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756f750) = 442 ./strace-static-x86_64: Process 732 attached [pid 732] set_robust_list(0x55555756f760, 24) = 0 [pid 732] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 732] setpgid(0, 0) = 0 [pid 732] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 732] write(3, "1000", 4) = 4 [pid 732] close(3executing program ) = 0 [pid 732] write(1, "executing program\n", 18) = 18 [pid 732] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 732] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 732] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 732] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 732] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 732] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 732] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0}./strace-static-x86_64: Process 733 attached => {parent_tid=[443]}, 88) = 443 [pid 733] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 733] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 733] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 732] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 732] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 733] <... futex resumed>) = 0 [pid 733] memfd_create("syzkaller", 0) = 3 [pid 733] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b723d000 [pid 732] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 732] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43b721c000 [pid 732] mprotect(0x7f43b721d000, 131072, PROT_READ|PROT_WRITE [pid 733] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 732] <... mprotect resumed>) = 0 [pid 732] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 732] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43b723c990, parent_tid=0x7f43b723c990, exit_signal=0, stack=0x7f43b721c000, stack_size=0x20240, tls=0x7f43b723c6c0} [pid 733] <... write resumed>) = 131072 [pid 733] munmap(0x7f43b723d000, 138412032./strace-static-x86_64: Process 734 attached [pid 732] <... clone3 resumed> => {parent_tid=[444]}, 88) = 444 [pid 732] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 732] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000 [pid 733] <... munmap resumed>) = 0 [pid 732] <... futex resumed>) = 0 [pid 733] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 732] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 733] <... openat resumed>) = 4 [pid 733] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 733] ioctl(4, LOOP_CLR_FD) = 0 [pid 734] set_robust_list(0x7f43b723c9a0, 24) = 0 [pid 734] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 734] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 733] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 733] close(4) = 0 [pid 733] close(3) = 0 [pid 733] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 733] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 734] <... openat resumed>) = 5 [pid 734] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 732] <... futex resumed>) = 0 [pid 732] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 734] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 733] <... futex resumed>) = 0 [pid 732] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 733] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 5, 0) = 0x200000000000 [pid 733] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 732] <... futex resumed>) = 0 [pid 732] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 732] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 733] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 733] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 733] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 732] <... futex resumed>) = 0 [pid 732] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 732] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 733] creat(0x200000000040, 000) = 3 [pid 733] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 732] <... futex resumed>) = 0 [pid 732] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 732] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 733] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 733] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 732] <... futex resumed>) = 0 [pid 732] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 732] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 733] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 4 [pid 733] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 732] <... futex resumed>) = 0 [pid 732] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 732] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 733] write(4, 0x200000000080, 34136651) = 131072 [pid 733] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 732] <... futex resumed>) = 0 [pid 732] close(3) = 0 [pid 732] close(4) = 0 [pid 732] close(5) = 0 [pid 732] close(6) = -1 EBADF (Bad file descriptor) [pid 732] close(7 [pid 733] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 732] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 732] close(8) = -1 EBADF (Bad file descriptor) [pid 732] close(9) = -1 EBADF (Bad file descriptor) [pid 732] close(10) = -1 EBADF (Bad file descriptor) [pid 732] close(11) = -1 EBADF (Bad file descriptor) [pid 732] close(12) = -1 EBADF (Bad file descriptor) [pid 732] close(13) = -1 EBADF (Bad file descriptor) [pid 732] close(14) = -1 EBADF (Bad file descriptor) [pid 732] close(15) = -1 EBADF (Bad file descriptor) [pid 732] close(16) = -1 EBADF (Bad file descriptor) [pid 732] close(17) = -1 EBADF (Bad file descriptor) [pid 732] close(18) = -1 EBADF (Bad file descriptor) [pid 732] close(19) = -1 EBADF (Bad file descriptor) [pid 732] close(20) = -1 EBADF (Bad file descriptor) [pid 732] close(21) = -1 EBADF (Bad file descriptor) [pid 732] close(22) = -1 EBADF (Bad file descriptor) [pid 732] close(23) = -1 EBADF (Bad file descriptor) [pid 732] close(24) = -1 EBADF (Bad file descriptor) [pid 732] close(25) = -1 EBADF (Bad file descriptor) [pid 732] close(26) = -1 EBADF (Bad file descriptor) [pid 732] close(27) = -1 EBADF (Bad file descriptor) [pid 732] close(28) = -1 EBADF (Bad file descriptor) [pid 732] close(29) = -1 EBADF (Bad file descriptor) [pid 732] exit_group(0) = ? [pid 734] <... futex resumed>) = ? [pid 733] <... futex resumed>) = ? [pid 734] +++ exited with 0 +++ [pid 733] +++ exited with 0 +++ [pid 732] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=442, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 735 attached [pid 735] set_robust_list(0x55555756f760, 24 [pid 289] <... clone resumed>, child_tidptr=0x55555756f750) = 445 [pid 735] <... set_robust_list resumed>) = 0 [pid 735] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 735] setpgid(0, 0) = 0 [pid 735] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 735] write(3, "1000", 4) = 4 [pid 735] close(3) = 0 [pid 735] write(1, "executing program\n", 18executing program ) = 18 [pid 735] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 735] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 735] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 735] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 735] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 735] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 735] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0}./strace-static-x86_64: Process 736 attached [pid 736] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 736] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 736] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 735] <... clone3 resumed> => {parent_tid=[446]}, 88) = 446 [pid 735] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 735] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 736] <... futex resumed>) = 0 [pid 736] memfd_create("syzkaller", 0) = 3 [pid 736] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b723d000 [pid 735] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 735] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43b721c000 [pid 735] mprotect(0x7f43b721d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 735] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 735] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43b723c990, parent_tid=0x7f43b723c990, exit_signal=0, stack=0x7f43b721c000, stack_size=0x20240, tls=0x7f43b723c6c0} [pid 736] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072./strace-static-x86_64: Process 737 attached [pid 735] <... clone3 resumed> => {parent_tid=[447]}, 88) = 447 [pid 735] rt_sigprocmask(SIG_SETMASK, [], [pid 737] set_robust_list(0x7f43b723c9a0, 24) = 0 [pid 737] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 735] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 737] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 735] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000 [pid 736] <... write resumed>) = 131072 [pid 735] <... futex resumed>) = 1 [pid 737] <... futex resumed>) = 0 [pid 737] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 735] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 736] munmap(0x7f43b723d000, 138412032) = 0 [pid 737] <... openat resumed>) = 4 [pid 736] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 737] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 736] <... openat resumed>) = 5 [pid 737] <... futex resumed>) = 1 [pid 736] ioctl(5, LOOP_SET_FD, 3 [pid 735] <... futex resumed>) = 0 [pid 735] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 735] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 737] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 4, 0 [pid 736] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 736] ioctl(5, LOOP_CLR_FD [pid 737] <... mmap resumed>) = 0x200000000000 [pid 736] <... ioctl resumed>) = 0 [pid 737] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 735] <... futex resumed>) = 0 [pid 735] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 735] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 737] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 737] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 736] ioctl(5, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 736] close(5) = 0 [pid 736] close(3 [pid 737] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 736] <... close resumed>) = 0 [pid 736] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 736] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 737] <... futex resumed>) = 1 [pid 735] <... futex resumed>) = 0 [pid 735] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 735] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 736] <... futex resumed>) = 0 [pid 736] creat(0x200000000040, 000 [pid 737] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 736] <... creat resumed>) = 3 [pid 736] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 735] <... futex resumed>) = 0 [pid 735] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 735] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 736] <... futex resumed>) = 1 [pid 736] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 736] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 735] <... futex resumed>) = 0 [pid 735] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 735] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 736] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 736] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 735] <... futex resumed>) = 0 [pid 735] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 735] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 736] write(5, 0x200000000080, 34136651) = 131072 [pid 736] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 735] <... futex resumed>) = 0 [pid 735] close(3) = 0 [pid 735] close(4) = 0 [pid 735] close(5) = 0 [pid 735] close(6) = -1 EBADF (Bad file descriptor) [pid 735] close(7) = -1 EBADF (Bad file descriptor) [pid 735] close(8) = -1 EBADF (Bad file descriptor) [pid 735] close(9) = -1 EBADF (Bad file descriptor) [pid 735] close(10) = -1 EBADF (Bad file descriptor) [pid 735] close(11) = -1 EBADF (Bad file descriptor) [pid 735] close(12) = -1 EBADF (Bad file descriptor) [pid 735] close(13) = -1 EBADF (Bad file descriptor) [pid 735] close(14) = -1 EBADF (Bad file descriptor) [pid 735] close(15) = -1 EBADF (Bad file descriptor) [pid 735] close(16) = -1 EBADF (Bad file descriptor) [pid 735] close(17) = -1 EBADF (Bad file descriptor) [pid 735] close(18) = -1 EBADF (Bad file descriptor) [pid 735] close(19) = -1 EBADF (Bad file descriptor) [pid 735] close(20) = -1 EBADF (Bad file descriptor) [pid 735] close(21) = -1 EBADF (Bad file descriptor) [pid 735] close(22) = -1 EBADF (Bad file descriptor) [pid 735] close(23) = -1 EBADF (Bad file descriptor) [pid 735] close(24) = -1 EBADF (Bad file descriptor) [pid 735] close(25) = -1 EBADF (Bad file descriptor) [pid 735] close(26) = -1 EBADF (Bad file descriptor) [pid 735] close(27) = -1 EBADF (Bad file descriptor) [pid 735] close(28) = -1 EBADF (Bad file descriptor) [pid 735] close(29) = -1 EBADF (Bad file descriptor) [pid 735] exit_group(0 [pid 737] <... futex resumed>) = ? [pid 735] <... exit_group resumed>) = ? [pid 737] +++ exited with 0 +++ [pid 736] +++ exited with 0 +++ [pid 735] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=445, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 738 attached , child_tidptr=0x55555756f750) = 448 [pid 738] set_robust_list(0x55555756f760, 24) = 0 [pid 738] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 738] setpgid(0, 0) = 0 [pid 738] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 738] write(3, "1000", 4) = 4 [pid 738] close(3) = 0 executing program [pid 738] write(1, "executing program\n", 18) = 18 [pid 738] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 738] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 738] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 738] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 738] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 738] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 738] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0}./strace-static-x86_64: Process 739 attached => {parent_tid=[449]}, 88) = 449 [pid 739] set_robust_list(0x7f43bf65d9a0, 24 [pid 738] rt_sigprocmask(SIG_SETMASK, [], [pid 739] <... set_robust_list resumed>) = 0 [pid 739] rt_sigprocmask(SIG_SETMASK, [], [pid 738] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 739] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 739] memfd_create("syzkaller", 0 [pid 738] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 739] <... memfd_create resumed>) = 3 [pid 738] <... futex resumed>) = 0 [pid 739] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 738] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 739] <... mmap resumed>) = 0x7f43b723d000 [pid 738] <... futex resumed>) = 0 [pid 738] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 739] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 738] <... mmap resumed>) = 0x7f43b721c000 [pid 738] mprotect(0x7f43b721d000, 131072, PROT_READ|PROT_WRITE [pid 739] <... write resumed>) = 131072 [pid 738] <... mprotect resumed>) = 0 [pid 739] munmap(0x7f43b723d000, 138412032 [pid 738] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 739] <... munmap resumed>) = 0 [pid 738] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43b723c990, parent_tid=0x7f43b723c990, exit_signal=0, stack=0x7f43b721c000, stack_size=0x20240, tls=0x7f43b723c6c0} [pid 739] openat(AT_FDCWD, "/dev/loop0", O_RDWR./strace-static-x86_64: Process 740 attached [pid 738] <... clone3 resumed> => {parent_tid=[450]}, 88) = 450 [pid 739] <... openat resumed>) = 4 [pid 738] rt_sigprocmask(SIG_SETMASK, [], [pid 740] set_robust_list(0x7f43b723c9a0, 24 [pid 739] ioctl(4, LOOP_SET_FD, 3 [pid 738] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 740] <... set_robust_list resumed>) = 0 [pid 738] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000 [pid 739] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 738] <... futex resumed>) = 0 [pid 740] rt_sigprocmask(SIG_SETMASK, [], [pid 738] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 739] ioctl(4, LOOP_CLR_FD [pid 740] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 740] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 739] <... ioctl resumed>) = 0 [pid 739] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 739] close(4) = 0 [pid 739] close(3) = 0 [pid 739] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 739] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 740] <... openat resumed>) = 5 [pid 740] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 738] <... futex resumed>) = 0 [pid 738] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 738] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 739] <... futex resumed>) = 0 [pid 739] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 5, 0) = 0x200000000000 [pid 739] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 738] <... futex resumed>) = 0 [pid 738] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 738] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 739] <... futex resumed>) = 1 [pid 739] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 739] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 739] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 738] <... futex resumed>) = 0 [pid 738] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 738] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 739] <... futex resumed>) = 1 [pid 739] creat(0x200000000040, 000) = 3 [pid 740] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 739] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 738] <... futex resumed>) = 0 [pid 738] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 738] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 739] <... futex resumed>) = 1 [pid 739] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 739] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 738] <... futex resumed>) = 0 [pid 738] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 738] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 739] <... futex resumed>) = 1 [pid 739] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 4 [pid 739] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 738] <... futex resumed>) = 0 [pid 738] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 738] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 739] <... futex resumed>) = 1 [pid 739] write(4, 0x200000000080, 34136651) = 131072 [pid 739] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 738] <... futex resumed>) = 0 [pid 738] close(3) = 0 [pid 739] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 738] close(4) = 0 [pid 738] close(5) = 0 [pid 738] close(6) = -1 EBADF (Bad file descriptor) [pid 738] close(7) = -1 EBADF (Bad file descriptor) [pid 738] close(8) = -1 EBADF (Bad file descriptor) [pid 738] close(9) = -1 EBADF (Bad file descriptor) [pid 738] close(10) = -1 EBADF (Bad file descriptor) [pid 738] close(11) = -1 EBADF (Bad file descriptor) [pid 738] close(12) = -1 EBADF (Bad file descriptor) [pid 738] close(13) = -1 EBADF (Bad file descriptor) [pid 738] close(14) = -1 EBADF (Bad file descriptor) [pid 738] close(15) = -1 EBADF (Bad file descriptor) [pid 738] close(16) = -1 EBADF (Bad file descriptor) [pid 738] close(17) = -1 EBADF (Bad file descriptor) [pid 738] close(18) = -1 EBADF (Bad file descriptor) [pid 738] close(19) = -1 EBADF (Bad file descriptor) [pid 738] close(20) = -1 EBADF (Bad file descriptor) [pid 738] close(21) = -1 EBADF (Bad file descriptor) [pid 738] close(22) = -1 EBADF (Bad file descriptor) [pid 738] close(23) = -1 EBADF (Bad file descriptor) [pid 738] close(24) = -1 EBADF (Bad file descriptor) [pid 738] close(25) = -1 EBADF (Bad file descriptor) [pid 738] close(26) = -1 EBADF (Bad file descriptor) [pid 738] close(27) = -1 EBADF (Bad file descriptor) [pid 738] close(28) = -1 EBADF (Bad file descriptor) [pid 738] close(29) = -1 EBADF (Bad file descriptor) [pid 738] exit_group(0 [pid 739] <... futex resumed>) = ? [pid 738] <... exit_group resumed>) = ? [pid 739] +++ exited with 0 +++ [pid 740] <... futex resumed>) = ? [pid 740] +++ exited with 0 +++ [pid 738] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=448, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 741 attached , child_tidptr=0x55555756f750) = 451 [pid 741] set_robust_list(0x55555756f760, 24) = 0 [pid 741] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 741] setpgid(0, 0) = 0 [pid 741] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 741] write(3, "1000", 4) = 4 [pid 741] close(3) = 0 executing program [pid 741] write(1, "executing program\n", 18) = 18 [pid 741] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 741] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 741] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 741] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 741] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 741] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 741] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0}./strace-static-x86_64: Process 742 attached => {parent_tid=[452]}, 88) = 452 [pid 742] set_robust_list(0x7f43bf65d9a0, 24 [pid 741] rt_sigprocmask(SIG_SETMASK, [], [pid 742] <... set_robust_list resumed>) = 0 [pid 741] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 742] rt_sigprocmask(SIG_SETMASK, [], [pid 741] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 742] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 741] <... futex resumed>) = 0 [pid 741] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 741] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 742] memfd_create("syzkaller", 0 [pid 741] <... mmap resumed>) = 0x7f43bf61c000 [pid 742] <... memfd_create resumed>) = 3 [pid 741] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE [pid 742] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 741] <... mprotect resumed>) = 0 [pid 742] <... mmap resumed>) = 0x7f43b721c000 [pid 741] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 741] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0} => {parent_tid=[453]}, 88) = 453 ./strace-static-x86_64: Process 743 attached [pid 743] set_robust_list(0x7f43bf63c9a0, 24) = 0 [pid 743] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 743] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 741] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 741] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000 [pid 743] <... futex resumed>) = 0 [pid 741] <... futex resumed>) = 1 [pid 743] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 741] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 742] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 742] munmap(0x7f43b721c000, 138412032) = 0 [pid 742] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 742] ioctl(5, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 742] ioctl(5, LOOP_CLR_FD) = 0 [pid 742] ioctl(5, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 742] close(5) = 0 [pid 742] close(3) = 0 [pid 742] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 742] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 743] <... openat resumed>) = 4 [pid 743] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 741] <... futex resumed>) = 0 [pid 743] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 741] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 742] <... futex resumed>) = 0 [pid 741] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 742] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 4, 0) = 0x200000000000 [pid 742] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 741] <... futex resumed>) = 0 [pid 741] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 741] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 742] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 742] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 742] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 741] <... futex resumed>) = 0 [pid 741] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 741] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 742] creat(0x200000000040, 000) = 3 [pid 742] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 741] <... futex resumed>) = 0 [pid 741] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 741] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 742] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 742] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 741] <... futex resumed>) = 0 [pid 741] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 741] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 742] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 742] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 741] <... futex resumed>) = 0 [pid 741] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 741] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 742] write(5, 0x200000000080, 34136651) = 131072 [pid 742] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 741] <... futex resumed>) = 0 [pid 741] close(3) = 0 [pid 741] close(4) = 0 [pid 741] close(5) = 0 [pid 741] close(6) = -1 EBADF (Bad file descriptor) [pid 741] close(7) = -1 EBADF (Bad file descriptor) [pid 741] close(8) = -1 EBADF (Bad file descriptor) [pid 741] close(9) = -1 EBADF (Bad file descriptor) [pid 741] close(10) = -1 EBADF (Bad file descriptor) [pid 741] close(11) = -1 EBADF (Bad file descriptor) [pid 741] close(12) = -1 EBADF (Bad file descriptor) [pid 741] close(13) = -1 EBADF (Bad file descriptor) [pid 741] close(14) = -1 EBADF (Bad file descriptor) [pid 741] close(15) = -1 EBADF (Bad file descriptor) [pid 741] close(16) = -1 EBADF (Bad file descriptor) [pid 741] close(17) = -1 EBADF (Bad file descriptor) [pid 741] close(18) = -1 EBADF (Bad file descriptor) [pid 741] close(19) = -1 EBADF (Bad file descriptor) [pid 741] close(20) = -1 EBADF (Bad file descriptor) [pid 741] close(21) = -1 EBADF (Bad file descriptor) [pid 741] close(22) = -1 EBADF (Bad file descriptor) [pid 741] close(23) = -1 EBADF (Bad file descriptor) [pid 741] close(24) = -1 EBADF (Bad file descriptor) [pid 741] close(25) = -1 EBADF (Bad file descriptor) [pid 741] close(26) = -1 EBADF (Bad file descriptor) [pid 741] close(27) = -1 EBADF (Bad file descriptor) [pid 741] close(28) = -1 EBADF (Bad file descriptor) [pid 741] close(29) = -1 EBADF (Bad file descriptor) [pid 741] exit_group(0) = ? [pid 743] <... futex resumed>) = ? [pid 743] +++ exited with 0 +++ [pid 742] +++ exited with 0 +++ [pid 741] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=451, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 744 attached , child_tidptr=0x55555756f750) = 454 [pid 744] set_robust_list(0x55555756f760, 24) = 0 [pid 744] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 744] setpgid(0, 0) = 0 [pid 744] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 744] write(3, "1000", 4) = 4 [pid 744] close(3) = 0 [pid 744] write(1, "executing program\n", 18executing program ) = 18 [pid 744] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 744] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 744] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 744] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 744] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 744] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 744] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0}./strace-static-x86_64: Process 745 attached [pid 745] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 745] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 745] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 744] <... clone3 resumed> => {parent_tid=[455]}, 88) = 455 [pid 744] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 744] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 745] <... futex resumed>) = 0 [pid 745] memfd_create("syzkaller", 0 [pid 744] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 745] <... memfd_create resumed>) = 3 [pid 745] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 744] <... futex resumed>) = 0 [pid 744] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 745] <... mmap resumed>) = 0x7f43b723d000 [pid 744] <... mmap resumed>) = 0x7f43b721c000 [pid 744] mprotect(0x7f43b721d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 744] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 744] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43b723c990, parent_tid=0x7f43b723c990, exit_signal=0, stack=0x7f43b721c000, stack_size=0x20240, tls=0x7f43b723c6c0}./strace-static-x86_64: Process 746 attached => {parent_tid=[456]}, 88) = 456 [pid 744] rt_sigprocmask(SIG_SETMASK, [], [pid 746] set_robust_list(0x7f43b723c9a0, 24 [pid 744] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 744] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000 [pid 746] <... set_robust_list resumed>) = 0 [pid 745] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 746] rt_sigprocmask(SIG_SETMASK, [], [pid 744] <... futex resumed>) = 0 [pid 746] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 744] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 746] openat(AT_FDCWD, "/selinux/policy", O_RDONLY) = 4 [pid 746] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 745] <... write resumed>) = 131072 [pid 746] <... futex resumed>) = 1 [pid 745] munmap(0x7f43b723d000, 138412032 [pid 744] <... futex resumed>) = 0 [pid 744] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 745] <... munmap resumed>) = 0 [pid 744] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 746] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 4, 0 [pid 745] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 746] <... mmap resumed>) = 0x200000000000 [pid 746] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 745] <... openat resumed>) = 5 [pid 746] <... futex resumed>) = 1 [pid 745] ioctl(5, LOOP_SET_FD, 3 [pid 744] <... futex resumed>) = 0 [pid 746] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 745] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 744] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000 [pid 745] ioctl(5, LOOP_CLR_FD [pid 744] <... futex resumed>) = 0 [pid 746] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 745] <... ioctl resumed>) = 0 [pid 744] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 746] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 744] <... futex resumed>) = 0 [pid 744] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000 [pid 746] creat(0x200000000040, 000 [pid 744] <... futex resumed>) = 0 [pid 744] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 746] <... creat resumed>) = 6 [pid 746] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 744] <... futex resumed>) = 0 [pid 744] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 744] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 746] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL [pid 745] ioctl(5, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 746] <... mount resumed>) = 0 [pid 745] close(5 [pid 746] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 745] <... close resumed>) = 0 [pid 746] <... futex resumed>) = 1 [pid 745] close(3 [pid 744] <... futex resumed>) = 0 [pid 744] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 744] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 745] <... close resumed>) = 0 [pid 746] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c [pid 745] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 746] <... open resumed>) = 3 [pid 746] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 745] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 746] <... futex resumed>) = 1 [pid 744] <... futex resumed>) = 0 [pid 744] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 746] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 745] <... futex resumed>) = 0 [pid 744] <... futex resumed>) = 1 [pid 744] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 745] write(3, 0x200000000080, 34136651) = 131072 [pid 745] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 744] <... futex resumed>) = 0 [pid 744] close(3) = 0 [pid 744] close(4) = 0 [pid 744] close(5) = -1 EBADF (Bad file descriptor) [pid 744] close(6) = 0 [pid 744] close(7) = -1 EBADF (Bad file descriptor) [pid 744] close(8) = -1 EBADF (Bad file descriptor) [pid 744] close(9) = -1 EBADF (Bad file descriptor) [pid 744] close(10) = -1 EBADF (Bad file descriptor) [pid 744] close(11) = -1 EBADF (Bad file descriptor) [pid 744] close(12) = -1 EBADF (Bad file descriptor) [pid 744] close(13) = -1 EBADF (Bad file descriptor) [pid 744] close(14) = -1 EBADF (Bad file descriptor) [pid 744] close(15) = -1 EBADF (Bad file descriptor) [pid 744] close(16) = -1 EBADF (Bad file descriptor) [pid 744] close(17) = -1 EBADF (Bad file descriptor) [pid 744] close(18) = -1 EBADF (Bad file descriptor) [pid 744] close(19) = -1 EBADF (Bad file descriptor) [pid 744] close(20) = -1 EBADF (Bad file descriptor) [pid 744] close(21) = -1 EBADF (Bad file descriptor) [pid 744] close(22) = -1 EBADF (Bad file descriptor) [pid 744] close(23) = -1 EBADF (Bad file descriptor) [pid 744] close(24) = -1 EBADF (Bad file descriptor) [pid 744] close(25) = -1 EBADF (Bad file descriptor) [pid 744] close(26) = -1 EBADF (Bad file descriptor) [pid 744] close(27) = -1 EBADF (Bad file descriptor) [pid 744] close(28) = -1 EBADF (Bad file descriptor) [pid 744] close(29) = -1 EBADF (Bad file descriptor) [pid 745] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 744] exit_group(0) = ? [pid 746] <... futex resumed>) = ? [pid 745] <... futex resumed>) = ? [pid 746] +++ exited with 0 +++ [pid 745] +++ exited with 0 +++ [pid 744] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=454, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756f750) = 457 ./strace-static-x86_64: Process 747 attached [pid 747] set_robust_list(0x55555756f760, 24) = 0 [pid 747] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 747] setpgid(0, 0) = 0 [pid 747] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 747] write(3, "1000", 4) = 4 [pid 747] close(3) = 0 [pid 747] write(1, "executing program\n", 18executing program ) = 18 [pid 747] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 747] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 747] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 747] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 747] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 747] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 747] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0}./strace-static-x86_64: Process 748 attached => {parent_tid=[458]}, 88) = 458 [pid 748] set_robust_list(0x7f43bf65d9a0, 24 [pid 747] rt_sigprocmask(SIG_SETMASK, [], [pid 748] <... set_robust_list resumed>) = 0 [pid 747] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 748] rt_sigprocmask(SIG_SETMASK, [], [pid 747] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 748] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 747] <... futex resumed>) = 0 [pid 747] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 747] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf61c000 [pid 748] memfd_create("syzkaller", 0 [pid 747] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 747] rt_sigprocmask(SIG_BLOCK, ~[], [pid 748] <... memfd_create resumed>) = 3 [pid 747] <... rt_sigprocmask resumed>[], 8) = 0 [pid 748] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 747] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0} [pid 748] <... mmap resumed>) = 0x7f43b721c000 [pid 747] <... clone3 resumed> => {parent_tid=[459]}, 88) = 459 [pid 747] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 747] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 747] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 749 attached [pid 748] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 749] set_robust_list(0x7f43bf63c9a0, 24 [pid 748] <... write resumed>) = 131072 [pid 749] <... set_robust_list resumed>) = 0 [pid 748] munmap(0x7f43b721c000, 138412032 [pid 749] rt_sigprocmask(SIG_SETMASK, [], [pid 748] <... munmap resumed>) = 0 [pid 749] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 748] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 749] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 748] <... openat resumed>) = 4 [pid 748] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 748] ioctl(4, LOOP_CLR_FD) = 0 [pid 748] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 748] close(4) = 0 [pid 748] close(3) = 0 [pid 748] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 748] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 749] <... openat resumed>) = 5 [pid 749] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 747] <... futex resumed>) = 0 [pid 747] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 747] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 748] <... futex resumed>) = 0 [pid 748] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 5, 0) = 0x200000000000 [pid 748] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 747] <... futex resumed>) = 0 [pid 747] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 747] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 748] <... futex resumed>) = 1 [pid 748] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 748] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 748] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 747] <... futex resumed>) = 0 [pid 747] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 748] <... futex resumed>) = 1 [pid 747] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 748] creat(0x200000000040, 000 [pid 749] <... futex resumed>) = 1 [pid 748] <... creat resumed>) = 3 [pid 748] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 747] <... futex resumed>) = 0 [pid 748] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL [pid 747] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 749] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 748] <... mount resumed>) = 0 [pid 747] <... futex resumed>) = 0 [pid 748] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 747] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 748] <... futex resumed>) = 0 [pid 747] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 748] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c [pid 747] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 748] <... open resumed>) = 4 [pid 747] <... futex resumed>) = 0 [pid 748] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 747] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 748] <... futex resumed>) = 0 [pid 747] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 748] write(4, 0x200000000080, 34136651 [pid 747] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 747] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 748] <... write resumed>) = 131072 [pid 748] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 747] <... futex resumed>) = 0 [pid 747] close(3) = 0 [pid 747] close(4) = 0 [pid 747] close(5) = 0 [pid 747] close(6) = -1 EBADF (Bad file descriptor) [pid 747] close(7) = -1 EBADF (Bad file descriptor) [pid 747] close(8) = -1 EBADF (Bad file descriptor) [pid 747] close(9) = -1 EBADF (Bad file descriptor) [pid 747] close(10) = -1 EBADF (Bad file descriptor) [pid 747] close(11) = -1 EBADF (Bad file descriptor) [pid 747] close(12) = -1 EBADF (Bad file descriptor) [pid 747] close(13) = -1 EBADF (Bad file descriptor) [pid 747] close(14) = -1 EBADF (Bad file descriptor) [pid 747] close(15) = -1 EBADF (Bad file descriptor) [pid 747] close(16) = -1 EBADF (Bad file descriptor) [pid 747] close(17) = -1 EBADF (Bad file descriptor) [pid 747] close(18) = -1 EBADF (Bad file descriptor) [pid 747] close(19) = -1 EBADF (Bad file descriptor) [pid 747] close(20) = -1 EBADF (Bad file descriptor) [pid 747] close(21) = -1 EBADF (Bad file descriptor) [pid 747] close(22) = -1 EBADF (Bad file descriptor) [pid 747] close(23) = -1 EBADF (Bad file descriptor) [pid 747] close(24) = -1 EBADF (Bad file descriptor) [pid 747] close(25) = -1 EBADF (Bad file descriptor) [pid 747] close(26) = -1 EBADF (Bad file descriptor) [pid 747] close(27) = -1 EBADF (Bad file descriptor) [pid 747] close(28) = -1 EBADF (Bad file descriptor) [pid 747] close(29) = -1 EBADF (Bad file descriptor) [pid 747] exit_group(0) = ? [pid 749] <... futex resumed>) = ? [pid 748] <... futex resumed>) = ? [pid 749] +++ exited with 0 +++ [pid 748] +++ exited with 0 +++ [pid 747] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=457, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756f750) = 460 ./strace-static-x86_64: Process 750 attached [pid 750] set_robust_list(0x55555756f760, 24) = 0 [pid 750] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 750] setpgid(0, 0) = 0 [pid 750] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 750] write(3, "1000", 4) = 4 [pid 750] close(3) = 0 [pid 750] write(1, "executing program\n", 18executing program ) = 18 [pid 750] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 750] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 750] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 750] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 750] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 750] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 750] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0}./strace-static-x86_64: Process 751 attached [pid 751] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 751] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 751] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 750] <... clone3 resumed> => {parent_tid=[461]}, 88) = 461 [pid 750] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 750] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 751] <... futex resumed>) = 0 [pid 750] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 751] memfd_create("syzkaller", 0) = 3 [pid 750] <... futex resumed>) = 0 [pid 751] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b723d000 [pid 750] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43b721c000 [pid 750] mprotect(0x7f43b721d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 750] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 750] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43b723c990, parent_tid=0x7f43b723c990, exit_signal=0, stack=0x7f43b721c000, stack_size=0x20240, tls=0x7f43b723c6c0} [pid 751] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 750] <... clone3 resumed> => {parent_tid=[462]}, 88) = 462 [pid 751] <... write resumed>) = 131072 [pid 751] munmap(0x7f43b723d000, 138412032 [pid 750] rt_sigprocmask(SIG_SETMASK, [], [pid 751] <... munmap resumed>) = 0 [pid 751] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 751] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 751] ioctl(4, LOOP_CLR_FD) = 0 ./strace-static-x86_64: Process 752 attached [pid 750] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 752] set_robust_list(0x7f43b723c9a0, 24) = 0 [pid 752] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 752] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 750] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 752] <... futex resumed>) = 0 [pid 752] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 750] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 751] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 751] close(4) = 0 [pid 751] close(3) = 0 [pid 751] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 751] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 752] <... openat resumed>) = 5 [pid 752] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 750] <... futex resumed>) = 0 [pid 750] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 752] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 751] <... futex resumed>) = 0 [pid 750] <... futex resumed>) = 1 [pid 751] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 5, 0 [pid 750] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 751] <... mmap resumed>) = 0x200000000000 [pid 751] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 750] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 751] <... futex resumed>) = 0 [pid 751] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 750] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 751] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 750] <... futex resumed>) = 0 [pid 751] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 750] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 751] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 751] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 751] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 750] <... futex resumed>) = 0 [pid 750] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 751] <... futex resumed>) = 0 [pid 750] <... futex resumed>) = 1 [pid 751] creat(0x200000000040, 000 [pid 750] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 751] <... creat resumed>) = 3 [pid 751] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 751] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 750] <... futex resumed>) = 0 [pid 750] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 751] <... futex resumed>) = 0 [pid 751] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL [pid 750] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 751] <... mount resumed>) = 0 [pid 751] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 751] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 750] <... futex resumed>) = 0 [pid 750] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 751] <... futex resumed>) = 0 [pid 750] <... futex resumed>) = 1 [pid 751] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c [pid 750] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 751] <... open resumed>) = 4 [pid 751] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 750] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 751] <... futex resumed>) = 0 [pid 751] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 750] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 751] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 750] <... futex resumed>) = 0 [pid 751] write(4, 0x200000000080, 34136651 [pid 750] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 751] <... write resumed>) = 131072 [pid 751] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 751] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 750] <... futex resumed>) = 0 [pid 750] close(3) = 0 [pid 750] close(4) = 0 [pid 750] close(5) = 0 [pid 750] close(6) = -1 EBADF (Bad file descriptor) [pid 750] close(7) = -1 EBADF (Bad file descriptor) [pid 750] close(8) = -1 EBADF (Bad file descriptor) [pid 750] close(9) = -1 EBADF (Bad file descriptor) [pid 750] close(10) = -1 EBADF (Bad file descriptor) [pid 750] close(11) = -1 EBADF (Bad file descriptor) [pid 750] close(12) = -1 EBADF (Bad file descriptor) [pid 750] close(13) = -1 EBADF (Bad file descriptor) [pid 750] close(14) = -1 EBADF (Bad file descriptor) [pid 750] close(15) = -1 EBADF (Bad file descriptor) [pid 750] close(16) = -1 EBADF (Bad file descriptor) [pid 750] close(17) = -1 EBADF (Bad file descriptor) [pid 750] close(18) = -1 EBADF (Bad file descriptor) [pid 750] close(19) = -1 EBADF (Bad file descriptor) [pid 750] close(20) = -1 EBADF (Bad file descriptor) [pid 750] close(21) = -1 EBADF (Bad file descriptor) [pid 750] close(22) = -1 EBADF (Bad file descriptor) [pid 750] close(23) = -1 EBADF (Bad file descriptor) [pid 750] close(24) = -1 EBADF (Bad file descriptor) [pid 750] close(25) = -1 EBADF (Bad file descriptor) [pid 750] close(26) = -1 EBADF (Bad file descriptor) [pid 750] close(27) = -1 EBADF (Bad file descriptor) [pid 750] close(28) = -1 EBADF (Bad file descriptor) [pid 750] close(29) = -1 EBADF (Bad file descriptor) [pid 750] exit_group(0 [pid 751] <... futex resumed>) = ? [pid 750] <... exit_group resumed>) = ? [pid 752] <... futex resumed>) = ? [pid 751] +++ exited with 0 +++ [pid 752] +++ exited with 0 +++ [pid 750] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=460, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 753 attached [pid 753] set_robust_list(0x55555756f760, 24 [pid 289] <... clone resumed>, child_tidptr=0x55555756f750) = 463 [pid 753] <... set_robust_list resumed>) = 0 [pid 753] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 753] setpgid(0, 0) = 0 [pid 753] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 753] write(3, "1000", 4) = 4 [pid 753] close(3) = 0 executing program [pid 753] write(1, "executing program\n", 18) = 18 [pid 753] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 753] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 753] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 753] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 753] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 753] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 753] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0}./strace-static-x86_64: Process 754 attached => {parent_tid=[464]}, 88) = 464 [pid 754] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 754] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 754] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 753] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 753] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 754] <... futex resumed>) = 0 [pid 753] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 754] memfd_create("syzkaller", 0 [pid 753] <... futex resumed>) = 0 [pid 754] <... memfd_create resumed>) = 3 [pid 753] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 754] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b723d000 [pid 753] <... mmap resumed>) = 0x7f43b721c000 [pid 753] mprotect(0x7f43b721d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 753] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 753] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43b723c990, parent_tid=0x7f43b723c990, exit_signal=0, stack=0x7f43b721c000, stack_size=0x20240, tls=0x7f43b723c6c0} => {parent_tid=[465]}, 88) = 465 [pid 753] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 753] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 753] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 755 attached [pid 755] set_robust_list(0x7f43b723c9a0, 24) = 0 [pid 755] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 755] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 754] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 754] munmap(0x7f43b723d000, 138412032) = 0 [pid 754] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 754] ioctl(5, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 754] ioctl(5, LOOP_CLR_FD) = 0 [pid 754] ioctl(5, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 754] close(5) = 0 [pid 754] close(3) = 0 [pid 754] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 754] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 755] <... openat resumed>) = 4 [pid 755] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 753] <... futex resumed>) = 0 [pid 753] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 753] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 754] <... futex resumed>) = 0 [pid 754] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 4, 0 [pid 755] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 754] <... mmap resumed>) = 0x200000000000 [pid 754] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 753] <... futex resumed>) = 0 [pid 753] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 753] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 754] <... futex resumed>) = 1 [pid 754] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 754] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 754] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 753] <... futex resumed>) = 0 [pid 753] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 753] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 754] <... futex resumed>) = 1 [pid 754] creat(0x200000000040, 000) = 3 [pid 754] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 753] <... futex resumed>) = 0 [pid 753] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 753] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 754] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 754] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 753] <... futex resumed>) = 0 [pid 753] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 753] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 754] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 754] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 753] <... futex resumed>) = 0 [pid 753] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 753] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 754] <... futex resumed>) = 1 [pid 754] write(5, 0x200000000080, 34136651) = 131072 [pid 754] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 753] <... futex resumed>) = 0 [pid 753] close(3) = 0 [pid 753] close(4) = 0 [pid 753] close(5) = 0 [pid 753] close(6) = -1 EBADF (Bad file descriptor) [pid 753] close(7) = -1 EBADF (Bad file descriptor) [pid 753] close(8) = -1 EBADF (Bad file descriptor) [pid 753] close(9) = -1 EBADF (Bad file descriptor) [pid 753] close(10) = -1 EBADF (Bad file descriptor) [pid 753] close(11) = -1 EBADF (Bad file descriptor) [pid 753] close(12) = -1 EBADF (Bad file descriptor) [pid 753] close(13) = -1 EBADF (Bad file descriptor) [pid 753] close(14) = -1 EBADF (Bad file descriptor) [pid 753] close(15) = -1 EBADF (Bad file descriptor) [pid 753] close(16) = -1 EBADF (Bad file descriptor) [pid 753] close(17) = -1 EBADF (Bad file descriptor) [pid 753] close(18) = -1 EBADF (Bad file descriptor) [pid 753] close(19) = -1 EBADF (Bad file descriptor) [pid 753] close(20) = -1 EBADF (Bad file descriptor) [pid 753] close(21) = -1 EBADF (Bad file descriptor) [pid 753] close(22) = -1 EBADF (Bad file descriptor) [pid 753] close(23) = -1 EBADF (Bad file descriptor) [pid 753] close(24) = -1 EBADF (Bad file descriptor) [pid 753] close(25) = -1 EBADF (Bad file descriptor) [pid 753] close(26) = -1 EBADF (Bad file descriptor) [pid 753] close(27) = -1 EBADF (Bad file descriptor) [pid 753] close(28) = -1 EBADF (Bad file descriptor) [pid 753] close(29) = -1 EBADF (Bad file descriptor) [pid 753] exit_group(0) = ? [pid 755] <... futex resumed>) = ? [pid 755] +++ exited with 0 +++ [pid 754] +++ exited with 0 +++ [pid 753] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=463, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 756 attached , child_tidptr=0x55555756f750) = 466 [pid 756] set_robust_list(0x55555756f760, 24) = 0 [pid 756] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 756] setpgid(0, 0) = 0 [pid 756] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 756] write(3, "1000", 4) = 4 [pid 756] close(3) = 0 [pid 756] write(1, "executing program\n", 18executing program ) = 18 [pid 756] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 756] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 756] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 756] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 756] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 756] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 756] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0}./strace-static-x86_64: Process 757 attached => {parent_tid=[467]}, 88) = 467 [pid 757] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 757] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 757] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 756] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 756] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 757] <... futex resumed>) = 0 [pid 757] memfd_create("syzkaller", 0 [pid 756] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 757] <... memfd_create resumed>) = 3 [pid 756] <... futex resumed>) = 0 [pid 757] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b723d000 [pid 756] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43b721c000 [pid 756] mprotect(0x7f43b721d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 756] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 756] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43b723c990, parent_tid=0x7f43b723c990, exit_signal=0, stack=0x7f43b721c000, stack_size=0x20240, tls=0x7f43b723c6c0}./strace-static-x86_64: Process 758 attached => {parent_tid=[468]}, 88) = 468 [pid 758] set_robust_list(0x7f43b723c9a0, 24 [pid 756] rt_sigprocmask(SIG_SETMASK, [], [pid 757] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 758] <... set_robust_list resumed>) = 0 [pid 756] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 756] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000 [pid 758] rt_sigprocmask(SIG_SETMASK, [], [pid 756] <... futex resumed>) = 0 [pid 756] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 758] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 758] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 757] <... write resumed>) = 131072 [pid 757] munmap(0x7f43b723d000, 138412032) = 0 [pid 757] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 757] ioctl(5, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 757] ioctl(5, LOOP_CLR_FD) = 0 [pid 757] ioctl(5, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 757] close(5) = 0 [pid 757] close(3) = 0 [pid 757] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 757] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 758] <... openat resumed>) = 4 [pid 758] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 756] <... futex resumed>) = 0 [pid 756] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 756] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 757] <... futex resumed>) = 0 [pid 758] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 757] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 4, 0) = 0x200000000000 [pid 757] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 756] <... futex resumed>) = 0 [pid 756] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 756] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 757] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 757] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 757] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 756] <... futex resumed>) = 0 [pid 757] <... futex resumed>) = 1 [pid 756] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 756] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 757] creat(0x200000000040, 000) = 3 [pid 757] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 756] <... futex resumed>) = 0 [pid 756] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 756] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 757] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 757] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 756] <... futex resumed>) = 0 [pid 756] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 756] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 757] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 757] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 756] <... futex resumed>) = 0 [pid 756] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 756] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 757] write(5, 0x200000000080, 34136651) = 131072 [pid 757] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 756] <... futex resumed>) = 0 [pid 756] close(3) = 0 [pid 756] close(4) = 0 [pid 756] close(5) = 0 [pid 756] close(6) = -1 EBADF (Bad file descriptor) [pid 756] close(7) = -1 EBADF (Bad file descriptor) [pid 756] close(8) = -1 EBADF (Bad file descriptor) [pid 756] close(9) = -1 EBADF (Bad file descriptor) [pid 756] close(10) = -1 EBADF (Bad file descriptor) [pid 756] close(11) = -1 EBADF (Bad file descriptor) [pid 756] close(12) = -1 EBADF (Bad file descriptor) [pid 756] close(13) = -1 EBADF (Bad file descriptor) [pid 756] close(14) = -1 EBADF (Bad file descriptor) [pid 756] close(15) = -1 EBADF (Bad file descriptor) [pid 756] close(16) = -1 EBADF (Bad file descriptor) [pid 756] close(17) = -1 EBADF (Bad file descriptor) [pid 756] close(18) = -1 EBADF (Bad file descriptor) [pid 756] close(19) = -1 EBADF (Bad file descriptor) [pid 756] close(20) = -1 EBADF (Bad file descriptor) [pid 756] close(21) = -1 EBADF (Bad file descriptor) [pid 756] close(22) = -1 EBADF (Bad file descriptor) [pid 756] close(23) = -1 EBADF (Bad file descriptor) [pid 756] close(24) = -1 EBADF (Bad file descriptor) [pid 756] close(25) = -1 EBADF (Bad file descriptor) [pid 756] close(26) = -1 EBADF (Bad file descriptor) [pid 756] close(27) = -1 EBADF (Bad file descriptor) [pid 756] close(28) = -1 EBADF (Bad file descriptor) [pid 756] close(29) = -1 EBADF (Bad file descriptor) [pid 756] exit_group(0) = ? [pid 758] <... futex resumed>) = ? [pid 758] +++ exited with 0 +++ [pid 757] +++ exited with 0 +++ [pid 756] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=466, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 759 attached , child_tidptr=0x55555756f750) = 469 [pid 759] set_robust_list(0x55555756f760, 24) = 0 [pid 759] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 759] setpgid(0, 0) = 0 [pid 759] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 759] write(3, "1000", 4) = 4 [pid 759] close(3) = 0 [pid 759] write(1, "executing program\n", 18executing program ) = 18 [pid 759] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 759] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 759] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 759] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 759] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 759] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 759] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0} => {parent_tid=[470]}, 88) = 470 [pid 759] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 759] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 759] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 759] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf61c000 [pid 759] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 759] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 759] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0} => {parent_tid=[471]}, 88) = 471 [pid 759] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 759] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 759] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 760 attached [pid 760] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 760] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 760] memfd_create("syzkaller", 0./strace-static-x86_64: Process 761 attached ) = 3 [pid 760] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b721c000 [pid 761] set_robust_list(0x7f43bf63c9a0, 24) = 0 [pid 761] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 761] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 760] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 760] munmap(0x7f43b721c000, 138412032) = 0 [pid 760] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 760] ioctl(5, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 760] ioctl(5, LOOP_CLR_FD) = 0 [pid 760] ioctl(5, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 760] close(5) = 0 [pid 760] close(3) = 0 [pid 760] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 760] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 761] <... openat resumed>) = 4 [pid 761] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 759] <... futex resumed>) = 0 [pid 759] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 759] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 760] <... futex resumed>) = 0 [pid 760] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 4, 0) = 0x200000000000 [pid 761] <... futex resumed>) = 1 [pid 761] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 760] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 759] <... futex resumed>) = 0 [pid 759] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 759] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 760] <... futex resumed>) = 1 [pid 760] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 760] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 760] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 759] <... futex resumed>) = 0 [pid 759] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 759] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 760] <... futex resumed>) = 1 [pid 760] creat(0x200000000040, 000) = 3 [pid 760] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 759] <... futex resumed>) = 0 [pid 759] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 759] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 760] <... futex resumed>) = 1 [pid 760] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 760] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 759] <... futex resumed>) = 0 [pid 759] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 759] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 760] <... futex resumed>) = 1 [pid 760] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 760] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 759] <... futex resumed>) = 0 [pid 759] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 759] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 760] <... futex resumed>) = 1 [pid 760] write(5, 0x200000000080, 34136651) = 131072 [pid 760] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 759] <... futex resumed>) = 0 [pid 759] close(3) = 0 [pid 759] close(4) = 0 [pid 759] close(5) = 0 [pid 759] close(6) = -1 EBADF (Bad file descriptor) [pid 759] close(7) = -1 EBADF (Bad file descriptor) [pid 759] close(8) = -1 EBADF (Bad file descriptor) [pid 759] close(9) = -1 EBADF (Bad file descriptor) [pid 759] close(10) = -1 EBADF (Bad file descriptor) [pid 759] close(11) = -1 EBADF (Bad file descriptor) [pid 759] close(12) = -1 EBADF (Bad file descriptor) [pid 759] close(13) = -1 EBADF (Bad file descriptor) [pid 759] close(14) = -1 EBADF (Bad file descriptor) [pid 759] close(15) = -1 EBADF (Bad file descriptor) [pid 759] close(16) = -1 EBADF (Bad file descriptor) [pid 759] close(17) = -1 EBADF (Bad file descriptor) [pid 759] close(18) = -1 EBADF (Bad file descriptor) [pid 759] close(19) = -1 EBADF (Bad file descriptor) [pid 759] close(20) = -1 EBADF (Bad file descriptor) [pid 759] close(21) = -1 EBADF (Bad file descriptor) [pid 759] close(22) = -1 EBADF (Bad file descriptor) [pid 759] close(23) = -1 EBADF (Bad file descriptor) [pid 759] close(24) = -1 EBADF (Bad file descriptor) [pid 759] close(25) = -1 EBADF (Bad file descriptor) [pid 759] close(26) = -1 EBADF (Bad file descriptor) [pid 759] close(27) = -1 EBADF (Bad file descriptor) [pid 759] close(28) = -1 EBADF (Bad file descriptor) [pid 759] close(29) = -1 EBADF (Bad file descriptor) [pid 759] exit_group(0) = ? [pid 761] <... futex resumed>) = ? [pid 761] +++ exited with 0 +++ [pid 760] +++ exited with 0 +++ [pid 759] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=469, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 762 attached , child_tidptr=0x55555756f750) = 472 [pid 762] set_robust_list(0x55555756f760, 24) = 0 [pid 762] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 762] setpgid(0, 0) = 0 [pid 762] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 762] write(3, "1000", 4) = 4 [pid 762] close(3) = 0 [pid 762] write(1, "executing program\n", 18executing program ) = 18 [pid 762] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 762] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 762] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 762] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 762] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 762] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 762] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0}./strace-static-x86_64: Process 763 attached => {parent_tid=[473]}, 88) = 473 [pid 763] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 763] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 763] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 762] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 762] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 763] <... futex resumed>) = 0 [pid 762] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 762] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 763] memfd_create("syzkaller", 0) = 3 [pid 763] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b723d000 [pid 762] <... mmap resumed>) = 0x7f43b721c000 [pid 762] mprotect(0x7f43b721d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 762] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 762] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43b723c990, parent_tid=0x7f43b723c990, exit_signal=0, stack=0x7f43b721c000, stack_size=0x20240, tls=0x7f43b723c6c0}./strace-static-x86_64: Process 764 attached => {parent_tid=[474]}, 88) = 474 [pid 763] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 762] rt_sigprocmask(SIG_SETMASK, [], [pid 764] set_robust_list(0x7f43b723c9a0, 24 [pid 762] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 764] <... set_robust_list resumed>) = 0 [pid 762] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000 [pid 764] rt_sigprocmask(SIG_SETMASK, [], [pid 762] <... futex resumed>) = 0 [pid 763] <... write resumed>) = 131072 [pid 763] munmap(0x7f43b723d000, 138412032 [pid 762] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 764] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 763] <... munmap resumed>) = 0 [pid 763] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 763] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 763] ioctl(4, LOOP_CLR_FD) = 0 [pid 764] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 763] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 763] close(4) = 0 [pid 763] close(3) = 0 [pid 763] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 763] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 764] <... openat resumed>) = 5 [pid 764] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 762] <... futex resumed>) = 0 [pid 762] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 762] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 763] <... futex resumed>) = 0 [pid 763] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 5, 0) = 0x200000000000 [pid 763] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 762] <... futex resumed>) = 0 [pid 762] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 762] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 763] <... futex resumed>) = 1 [pid 763] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 763] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 763] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 762] <... futex resumed>) = 0 [pid 762] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 762] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 763] <... futex resumed>) = 1 [pid 763] creat(0x200000000040, 000) = 3 [pid 764] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 763] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 762] <... futex resumed>) = 0 [pid 762] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 762] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 763] <... futex resumed>) = 1 [pid 763] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 763] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 762] <... futex resumed>) = 0 [pid 762] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 762] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 763] <... futex resumed>) = 1 [pid 763] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 4 [pid 763] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 762] <... futex resumed>) = 0 [pid 762] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 762] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 763] <... futex resumed>) = 1 [pid 763] write(4, 0x200000000080, 34136651) = 131072 [pid 763] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 762] <... futex resumed>) = 0 [pid 762] close(3) = 0 [pid 762] close(4) = 0 [pid 762] close(5) = 0 [pid 762] close(6) = -1 EBADF (Bad file descriptor) [pid 762] close(7) = -1 EBADF (Bad file descriptor) [pid 762] close(8) = -1 EBADF (Bad file descriptor) [pid 762] close(9) = -1 EBADF (Bad file descriptor) [pid 762] close(10) = -1 EBADF (Bad file descriptor) [pid 762] close(11) = -1 EBADF (Bad file descriptor) [pid 762] close(12) = -1 EBADF (Bad file descriptor) [pid 762] close(13) = -1 EBADF (Bad file descriptor) [pid 762] close(14) = -1 EBADF (Bad file descriptor) [pid 762] close(15) = -1 EBADF (Bad file descriptor) [pid 762] close(16) = -1 EBADF (Bad file descriptor) [pid 762] close(17) = -1 EBADF (Bad file descriptor) [pid 762] close(18) = -1 EBADF (Bad file descriptor) [pid 762] close(19) = -1 EBADF (Bad file descriptor) [pid 762] close(20) = -1 EBADF (Bad file descriptor) [pid 762] close(21) = -1 EBADF (Bad file descriptor) [pid 762] close(22) = -1 EBADF (Bad file descriptor) [pid 762] close(23) = -1 EBADF (Bad file descriptor) [pid 762] close(24) = -1 EBADF (Bad file descriptor) [pid 762] close(25) = -1 EBADF (Bad file descriptor) [pid 762] close(26) = -1 EBADF (Bad file descriptor) [pid 762] close(27) = -1 EBADF (Bad file descriptor) [pid 762] close(28) = -1 EBADF (Bad file descriptor) [pid 762] close(29) = -1 EBADF (Bad file descriptor) [pid 762] exit_group(0 [pid 763] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 762] <... exit_group resumed>) = ? [pid 763] <... futex resumed>) = ? [pid 764] <... futex resumed>) = ? [pid 764] +++ exited with 0 +++ [pid 763] +++ exited with 0 +++ [pid 762] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=472, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756f750) = 475 ./strace-static-x86_64: Process 765 attached [pid 765] set_robust_list(0x55555756f760, 24) = 0 [pid 765] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 765] setpgid(0, 0) = 0 [pid 765] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 765] write(3, "1000", 4) = 4 [pid 765] close(3) = 0 [pid 765] write(1, "executing program\n", 18executing program ) = 18 [pid 765] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 765] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 765] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 765] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 765] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 765] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 765] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0}./strace-static-x86_64: Process 766 attached => {parent_tid=[476]}, 88) = 476 [pid 766] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 766] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 766] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 765] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 765] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 766] <... futex resumed>) = 0 [pid 766] memfd_create("syzkaller", 0) = 3 [pid 765] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 766] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b723d000 [pid 765] <... futex resumed>) = 0 [pid 765] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43b721c000 [pid 765] mprotect(0x7f43b721d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 765] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 765] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43b723c990, parent_tid=0x7f43b723c990, exit_signal=0, stack=0x7f43b721c000, stack_size=0x20240, tls=0x7f43b723c6c0} [pid 766] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072./strace-static-x86_64: Process 767 attached [pid 765] <... clone3 resumed> => {parent_tid=[477]}, 88) = 477 [pid 767] set_robust_list(0x7f43b723c9a0, 24 [pid 766] <... write resumed>) = 131072 [pid 766] munmap(0x7f43b723d000, 138412032 [pid 765] rt_sigprocmask(SIG_SETMASK, [], [pid 767] <... set_robust_list resumed>) = 0 [pid 766] <... munmap resumed>) = 0 [pid 766] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 766] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 766] ioctl(4, LOOP_CLR_FD) = 0 [pid 767] rt_sigprocmask(SIG_SETMASK, [], [pid 765] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 767] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 765] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000 [pid 767] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 765] <... futex resumed>) = 0 [pid 765] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 766] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 766] close(4) = 0 [pid 766] close(3) = 0 [pid 766] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 766] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 767] <... openat resumed>) = 5 [pid 767] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 765] <... futex resumed>) = 0 [pid 765] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 765] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 766] <... futex resumed>) = 0 [pid 766] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 5, 0 [pid 767] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 766] <... mmap resumed>) = 0x200000000000 [pid 766] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 765] <... futex resumed>) = 0 [pid 765] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 765] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 766] <... futex resumed>) = 1 [pid 766] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 766] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 766] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 765] <... futex resumed>) = 0 [pid 765] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 765] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 766] <... futex resumed>) = 1 [pid 766] creat(0x200000000040, 000) = 3 [pid 766] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 765] <... futex resumed>) = 0 [pid 765] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 765] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 766] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 766] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 765] <... futex resumed>) = 0 [pid 765] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 765] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 766] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 4 [pid 766] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 765] <... futex resumed>) = 0 [pid 765] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 765] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 766] write(4, 0x200000000080, 34136651) = 131072 [pid 766] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 765] <... futex resumed>) = 0 [pid 765] close(3) = 0 [pid 765] close(4) = 0 [pid 765] close(5) = 0 [pid 765] close(6) = -1 EBADF (Bad file descriptor) [pid 765] close(7) = -1 EBADF (Bad file descriptor) [pid 765] close(8) = -1 EBADF (Bad file descriptor) [pid 765] close(9) = -1 EBADF (Bad file descriptor) [pid 765] close(10) = -1 EBADF (Bad file descriptor) [pid 765] close(11) = -1 EBADF (Bad file descriptor) [pid 765] close(12) = -1 EBADF (Bad file descriptor) [pid 765] close(13) = -1 EBADF (Bad file descriptor) [pid 765] close(14) = -1 EBADF (Bad file descriptor) [pid 765] close(15) = -1 EBADF (Bad file descriptor) [pid 765] close(16) = -1 EBADF (Bad file descriptor) [pid 765] close(17) = -1 EBADF (Bad file descriptor) [pid 765] close(18) = -1 EBADF (Bad file descriptor) [pid 765] close(19) = -1 EBADF (Bad file descriptor) [pid 765] close(20) = -1 EBADF (Bad file descriptor) [pid 765] close(21) = -1 EBADF (Bad file descriptor) [pid 765] close(22) = -1 EBADF (Bad file descriptor) [pid 765] close(23) = -1 EBADF (Bad file descriptor) [pid 765] close(24) = -1 EBADF (Bad file descriptor) [pid 765] close(25) = -1 EBADF (Bad file descriptor) [pid 765] close(26) = -1 EBADF (Bad file descriptor) [pid 765] close(27) = -1 EBADF (Bad file descriptor) [pid 765] close(28) = -1 EBADF (Bad file descriptor) [pid 765] close(29) = -1 EBADF (Bad file descriptor) [pid 765] exit_group(0) = ? [pid 767] <... futex resumed>) = ? [pid 766] +++ exited with 0 +++ [pid 767] +++ exited with 0 +++ [pid 765] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=475, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 768 attached , child_tidptr=0x55555756f750) = 478 [pid 768] set_robust_list(0x55555756f760, 24) = 0 [pid 768] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 768] setpgid(0, 0) = 0 [pid 768] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 768] write(3, "1000", 4) = 4 [pid 768] close(3) = 0 [pid 768] write(1, "executing program\n", 18executing program ) = 18 [pid 768] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 768] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 768] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 768] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 768] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 768] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 768] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0}./strace-static-x86_64: Process 769 attached => {parent_tid=[479]}, 88) = 479 [pid 769] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 769] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 769] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 768] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 768] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 769] <... futex resumed>) = 0 [pid 769] memfd_create("syzkaller", 0 [pid 768] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 769] <... memfd_create resumed>) = 3 [pid 768] <... futex resumed>) = 0 [pid 769] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b723d000 [pid 768] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43b721c000 [pid 768] mprotect(0x7f43b721d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 768] rt_sigprocmask(SIG_BLOCK, ~[], [pid 769] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 768] <... rt_sigprocmask resumed>[], 8) = 0 [pid 768] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43b723c990, parent_tid=0x7f43b723c990, exit_signal=0, stack=0x7f43b721c000, stack_size=0x20240, tls=0x7f43b723c6c0} [pid 769] <... write resumed>) = 131072 [pid 769] munmap(0x7f43b723d000, 138412032) = 0 [pid 769] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 768] <... clone3 resumed> => {parent_tid=[480]}, 88) = 480 [pid 769] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 769] ioctl(4, LOOP_CLR_FD) = 0 [pid 768] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 768] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 770 attached [pid 768] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 770] set_robust_list(0x7f43b723c9a0, 24) = 0 [pid 770] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 770] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 769] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 769] close(4) = 0 [pid 769] close(3) = 0 [pid 769] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 769] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 770] <... openat resumed>) = 5 [pid 770] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 768] <... futex resumed>) = 0 [pid 768] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 768] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 769] <... futex resumed>) = 0 [pid 769] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 5, 0 [pid 770] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 769] <... mmap resumed>) = 0x200000000000 [pid 769] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 768] <... futex resumed>) = 0 [pid 768] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 768] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 769] <... futex resumed>) = 1 [pid 769] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 769] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 769] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 768] <... futex resumed>) = 0 [pid 768] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 768] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 769] creat(0x200000000040, 000) = 3 [pid 769] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 768] <... futex resumed>) = 0 [pid 768] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 768] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 769] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 769] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 768] <... futex resumed>) = 0 [pid 768] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 768] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 769] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 4 [pid 769] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 768] <... futex resumed>) = 0 [pid 768] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 768] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 769] write(4, 0x200000000080, 34136651) = 131072 [pid 769] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 768] <... futex resumed>) = 0 [pid 768] close(3) = 0 [pid 768] close(4) = 0 [pid 769] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 768] close(5) = 0 [pid 768] close(6) = -1 EBADF (Bad file descriptor) [pid 768] close(7) = -1 EBADF (Bad file descriptor) [pid 768] close(8) = -1 EBADF (Bad file descriptor) [pid 768] close(9) = -1 EBADF (Bad file descriptor) [pid 768] close(10) = -1 EBADF (Bad file descriptor) [pid 768] close(11) = -1 EBADF (Bad file descriptor) [pid 768] close(12) = -1 EBADF (Bad file descriptor) [pid 768] close(13) = -1 EBADF (Bad file descriptor) [pid 768] close(14) = -1 EBADF (Bad file descriptor) [pid 768] close(15) = -1 EBADF (Bad file descriptor) [pid 768] close(16) = -1 EBADF (Bad file descriptor) [pid 768] close(17) = -1 EBADF (Bad file descriptor) [pid 768] close(18) = -1 EBADF (Bad file descriptor) [pid 768] close(19) = -1 EBADF (Bad file descriptor) [pid 768] close(20) = -1 EBADF (Bad file descriptor) [pid 768] close(21) = -1 EBADF (Bad file descriptor) [pid 768] close(22) = -1 EBADF (Bad file descriptor) [pid 768] close(23) = -1 EBADF (Bad file descriptor) [pid 768] close(24) = -1 EBADF (Bad file descriptor) [pid 768] close(25) = -1 EBADF (Bad file descriptor) [pid 768] close(26) = -1 EBADF (Bad file descriptor) [pid 768] close(27) = -1 EBADF (Bad file descriptor) [pid 768] close(28) = -1 EBADF (Bad file descriptor) [pid 768] close(29) = -1 EBADF (Bad file descriptor) [pid 768] exit_group(0 [pid 770] <... futex resumed>) = ? [pid 768] <... exit_group resumed>) = ? [pid 770] +++ exited with 0 +++ [pid 769] <... futex resumed>) = ? [pid 769] +++ exited with 0 +++ [pid 768] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=478, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756f750) = 481 ./strace-static-x86_64: Process 771 attached [pid 771] set_robust_list(0x55555756f760, 24) = 0 [pid 771] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 771] setpgid(0, 0) = 0 [pid 771] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 771] write(3, "1000", 4) = 4 executing program [pid 771] close(3) = 0 [pid 771] write(1, "executing program\n", 18) = 18 [pid 771] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 771] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 771] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 771] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 771] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 771] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 771] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0}./strace-static-x86_64: Process 772 attached => {parent_tid=[482]}, 88) = 482 [pid 772] set_robust_list(0x7f43bf65d9a0, 24 [pid 771] rt_sigprocmask(SIG_SETMASK, [], [pid 772] <... set_robust_list resumed>) = 0 [pid 771] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 772] rt_sigprocmask(SIG_SETMASK, [], [pid 771] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 772] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 771] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 771] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 772] memfd_create("syzkaller", 0 [pid 771] <... mmap resumed>) = 0x7f43bf61c000 [pid 771] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 772] <... memfd_create resumed>) = 3 [pid 771] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 772] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 771] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0} [pid 772] <... mmap resumed>) = 0x7f43b721c000 ./strace-static-x86_64: Process 773 attached [pid 773] set_robust_list(0x7f43bf63c9a0, 24 [pid 771] <... clone3 resumed> => {parent_tid=[483]}, 88) = 483 [pid 773] <... set_robust_list resumed>) = 0 [pid 771] rt_sigprocmask(SIG_SETMASK, [], [pid 773] rt_sigprocmask(SIG_SETMASK, [], [pid 771] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 773] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 771] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 773] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 771] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 772] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 772] munmap(0x7f43b721c000, 138412032) = 0 [pid 772] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 772] ioctl(5, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 772] ioctl(5, LOOP_CLR_FD) = 0 [pid 772] ioctl(5, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 772] close(5) = 0 [pid 772] close(3) = 0 [pid 772] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 773] <... openat resumed>) = 4 [pid 772] <... futex resumed>) = 0 [pid 773] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 772] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 771] <... futex resumed>) = 0 [pid 771] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 773] <... futex resumed>) = 1 [pid 772] <... futex resumed>) = 0 [pid 771] <... futex resumed>) = 1 [pid 773] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 772] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 4, 0 [pid 771] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 772] <... mmap resumed>) = 0x200000000000 [pid 772] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 771] <... futex resumed>) = 0 [pid 771] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 771] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 772] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 772] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 772] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 771] <... futex resumed>) = 0 [pid 772] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 771] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 772] <... futex resumed>) = 0 [pid 771] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 772] creat(0x200000000040, 000) = 3 [pid 772] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 771] <... futex resumed>) = 0 [pid 772] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 771] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 771] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 772] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 772] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 772] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 771] <... futex resumed>) = 0 [pid 771] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 771] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 772] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 772] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 771] <... futex resumed>) = 0 [pid 772] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 771] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 772] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 771] <... futex resumed>) = 0 [pid 771] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 772] write(5, 0x200000000080, 34136651) = 131072 [pid 772] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 771] <... futex resumed>) = 0 [pid 771] close(3) = 0 [pid 771] close(4) = 0 [pid 771] close(5) = 0 [pid 771] close(6) = -1 EBADF (Bad file descriptor) [pid 771] close(7) = -1 EBADF (Bad file descriptor) [pid 771] close(8) = -1 EBADF (Bad file descriptor) [pid 771] close(9) = -1 EBADF (Bad file descriptor) [pid 771] close(10) = -1 EBADF (Bad file descriptor) [pid 771] close(11) = -1 EBADF (Bad file descriptor) [pid 771] close(12) = -1 EBADF (Bad file descriptor) [pid 771] close(13 [pid 772] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 771] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 771] close(14) = -1 EBADF (Bad file descriptor) [pid 771] close(15) = -1 EBADF (Bad file descriptor) [pid 771] close(16) = -1 EBADF (Bad file descriptor) [pid 771] close(17) = -1 EBADF (Bad file descriptor) [pid 771] close(18) = -1 EBADF (Bad file descriptor) [pid 771] close(19) = -1 EBADF (Bad file descriptor) [pid 771] close(20) = -1 EBADF (Bad file descriptor) [pid 771] close(21) = -1 EBADF (Bad file descriptor) [pid 771] close(22) = -1 EBADF (Bad file descriptor) [pid 771] close(23) = -1 EBADF (Bad file descriptor) [pid 771] close(24) = -1 EBADF (Bad file descriptor) [pid 771] close(25) = -1 EBADF (Bad file descriptor) [pid 771] close(26) = -1 EBADF (Bad file descriptor) [pid 771] close(27) = -1 EBADF (Bad file descriptor) [pid 771] close(28) = -1 EBADF (Bad file descriptor) [pid 771] close(29) = -1 EBADF (Bad file descriptor) [pid 771] exit_group(0) = ? [pid 773] <... futex resumed>) = ? [pid 773] +++ exited with 0 +++ [pid 772] <... futex resumed>) = ? [pid 772] +++ exited with 0 +++ [pid 771] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=481, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 774 attached , child_tidptr=0x55555756f750) = 484 [pid 774] set_robust_list(0x55555756f760, 24) = 0 [pid 774] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 774] setpgid(0, 0) = 0 [pid 774] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 774] write(3, "1000", 4) = 4 [pid 774] close(3) = 0 executing program [pid 774] write(1, "executing program\n", 18) = 18 [pid 774] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 774] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 774] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 774] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 774] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 774] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 774] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0}./strace-static-x86_64: Process 775 attached [pid 775] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 775] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 775] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 774] <... clone3 resumed> => {parent_tid=[485]}, 88) = 485 [pid 774] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 774] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 775] <... futex resumed>) = 0 [pid 775] memfd_create("syzkaller", 0) = 3 [pid 775] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b723d000 [pid 774] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 774] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43b721c000 [pid 774] mprotect(0x7f43b721d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 774] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 775] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 774] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43b723c990, parent_tid=0x7f43b723c990, exit_signal=0, stack=0x7f43b721c000, stack_size=0x20240, tls=0x7f43b723c6c0}./strace-static-x86_64: Process 776 attached => {parent_tid=[486]}, 88) = 486 [pid 774] rt_sigprocmask(SIG_SETMASK, [], [pid 776] set_robust_list(0x7f43b723c9a0, 24 [pid 774] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 775] <... write resumed>) = 131072 [pid 775] munmap(0x7f43b723d000, 138412032 [pid 776] <... set_robust_list resumed>) = 0 [pid 774] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000 [pid 775] <... munmap resumed>) = 0 [pid 774] <... futex resumed>) = 0 [pid 775] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 775] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 775] ioctl(4, LOOP_CLR_FD) = 0 [pid 776] rt_sigprocmask(SIG_SETMASK, [], [pid 774] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 776] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 776] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 775] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 775] close(4) = 0 [pid 775] close(3) = 0 [pid 775] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 775] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 776] <... openat resumed>) = 5 [pid 776] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 774] <... futex resumed>) = 0 [pid 774] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 774] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 775] <... futex resumed>) = 0 [pid 775] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 5, 0) = 0x200000000000 [pid 776] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 775] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 774] <... futex resumed>) = 0 [pid 774] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 774] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 775] <... futex resumed>) = 1 [pid 775] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 775] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 775] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 774] <... futex resumed>) = 0 [pid 774] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 774] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 775] <... futex resumed>) = 1 [pid 775] creat(0x200000000040, 000) = 3 [pid 775] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 775] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 774] <... futex resumed>) = 0 [pid 774] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 774] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 775] <... futex resumed>) = 0 [pid 775] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 775] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 774] <... futex resumed>) = 0 [pid 774] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 774] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 775] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 4 [pid 775] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 774] <... futex resumed>) = 0 [pid 774] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 774] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 775] <... futex resumed>) = 1 [pid 775] write(4, 0x200000000080, 34136651) = 131072 [pid 775] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 774] <... futex resumed>) = 0 [pid 774] close(3) = 0 [pid 774] close(4) = 0 [pid 774] close(5) = 0 [pid 774] close(6) = -1 EBADF (Bad file descriptor) [pid 774] close(7) = -1 EBADF (Bad file descriptor) [pid 774] close(8) = -1 EBADF (Bad file descriptor) [pid 774] close(9) = -1 EBADF (Bad file descriptor) [pid 774] close(10) = -1 EBADF (Bad file descriptor) [pid 774] close(11) = -1 EBADF (Bad file descriptor) [pid 774] close(12) = -1 EBADF (Bad file descriptor) [pid 774] close(13) = -1 EBADF (Bad file descriptor) [pid 774] close(14) = -1 EBADF (Bad file descriptor) [pid 774] close(15) = -1 EBADF (Bad file descriptor) [pid 774] close(16) = -1 EBADF (Bad file descriptor) [pid 774] close(17) = -1 EBADF (Bad file descriptor) [pid 774] close(18 [pid 775] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 774] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 774] close(19) = -1 EBADF (Bad file descriptor) [pid 774] close(20) = -1 EBADF (Bad file descriptor) [pid 774] close(21) = -1 EBADF (Bad file descriptor) [pid 774] close(22) = -1 EBADF (Bad file descriptor) [pid 774] close(23) = -1 EBADF (Bad file descriptor) [pid 774] close(24) = -1 EBADF (Bad file descriptor) [pid 774] close(25) = -1 EBADF (Bad file descriptor) [pid 774] close(26) = -1 EBADF (Bad file descriptor) [pid 774] close(27) = -1 EBADF (Bad file descriptor) [pid 774] close(28) = -1 EBADF (Bad file descriptor) [pid 774] close(29) = -1 EBADF (Bad file descriptor) [pid 774] exit_group(0) = ? [pid 776] <... futex resumed>) = ? [pid 776] +++ exited with 0 +++ [pid 775] <... futex resumed>) = ? [pid 775] +++ exited with 0 +++ [pid 774] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=484, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 777 attached , child_tidptr=0x55555756f750) = 487 [pid 777] set_robust_list(0x55555756f760, 24) = 0 [pid 777] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 777] setpgid(0, 0) = 0 [pid 777] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 777] write(3, "1000", 4) = 4 [pid 777] close(3) = 0 executing program [pid 777] write(1, "executing program\n", 18) = 18 [pid 777] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 777] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 777] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 777] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 777] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 777] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 777] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0}./strace-static-x86_64: Process 778 attached [pid 778] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 778] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 778] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 777] <... clone3 resumed> => {parent_tid=[488]}, 88) = 488 [pid 777] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 777] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 778] <... futex resumed>) = 0 [pid 777] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 778] memfd_create("syzkaller", 0 [pid 777] <... futex resumed>) = 0 [pid 778] <... memfd_create resumed>) = 3 [pid 778] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b723d000 [pid 777] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43b721c000 [pid 777] mprotect(0x7f43b721d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 777] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 777] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43b723c990, parent_tid=0x7f43b723c990, exit_signal=0, stack=0x7f43b721c000, stack_size=0x20240, tls=0x7f43b723c6c0}./strace-static-x86_64: Process 779 attached [pid 778] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 777] <... clone3 resumed> => {parent_tid=[489]}, 88) = 489 [pid 779] set_robust_list(0x7f43b723c9a0, 24) = 0 [pid 777] rt_sigprocmask(SIG_SETMASK, [], [pid 778] <... write resumed>) = 131072 [pid 777] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 778] munmap(0x7f43b723d000, 138412032) = 0 [pid 778] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 778] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 778] ioctl(4, LOOP_CLR_FD) = 0 [pid 779] rt_sigprocmask(SIG_SETMASK, [], [pid 777] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000 [pid 779] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 777] <... futex resumed>) = 0 [pid 779] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 777] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 778] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 778] close(4) = 0 [pid 778] close(3) = 0 [pid 778] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 778] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 779] <... openat resumed>) = 5 [pid 779] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 777] <... futex resumed>) = 0 [pid 777] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 777] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 778] <... futex resumed>) = 0 [pid 778] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 5, 0) = 0x200000000000 [pid 778] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 777] <... futex resumed>) = 0 [pid 777] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 777] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 778] <... futex resumed>) = 1 [pid 778] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 778] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 778] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 777] <... futex resumed>) = 0 [pid 777] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 777] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 778] <... futex resumed>) = 1 [pid 778] creat(0x200000000040, 000 [pid 779] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 778] <... creat resumed>) = 3 [pid 778] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 777] <... futex resumed>) = 0 [pid 777] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 777] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 778] <... futex resumed>) = 1 [pid 778] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 778] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 777] <... futex resumed>) = 0 [pid 777] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 777] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 778] <... futex resumed>) = 1 [pid 778] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 4 [pid 778] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 777] <... futex resumed>) = 0 [pid 777] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 777] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 778] <... futex resumed>) = 1 [pid 778] write(4, 0x200000000080, 34136651) = 131072 [pid 778] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 777] <... futex resumed>) = 0 [pid 777] close(3) = 0 [pid 777] close(4) = 0 [pid 777] close(5 [pid 778] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 777] <... close resumed>) = 0 [pid 777] close(6) = -1 EBADF (Bad file descriptor) [pid 777] close(7) = -1 EBADF (Bad file descriptor) [pid 777] close(8) = -1 EBADF (Bad file descriptor) [pid 777] close(9) = -1 EBADF (Bad file descriptor) [pid 777] close(10) = -1 EBADF (Bad file descriptor) [pid 777] close(11) = -1 EBADF (Bad file descriptor) [pid 777] close(12) = -1 EBADF (Bad file descriptor) [pid 777] close(13) = -1 EBADF (Bad file descriptor) [pid 777] close(14) = -1 EBADF (Bad file descriptor) [pid 777] close(15) = -1 EBADF (Bad file descriptor) [pid 777] close(16) = -1 EBADF (Bad file descriptor) [pid 777] close(17) = -1 EBADF (Bad file descriptor) [pid 777] close(18) = -1 EBADF (Bad file descriptor) [pid 777] close(19) = -1 EBADF (Bad file descriptor) [pid 777] close(20) = -1 EBADF (Bad file descriptor) [pid 777] close(21) = -1 EBADF (Bad file descriptor) [pid 777] close(22) = -1 EBADF (Bad file descriptor) [pid 777] close(23) = -1 EBADF (Bad file descriptor) [pid 777] close(24) = -1 EBADF (Bad file descriptor) [pid 777] close(25) = -1 EBADF (Bad file descriptor) [pid 777] close(26) = -1 EBADF (Bad file descriptor) [pid 777] close(27) = -1 EBADF (Bad file descriptor) [pid 777] close(28) = -1 EBADF (Bad file descriptor) [pid 777] close(29) = -1 EBADF (Bad file descriptor) [pid 777] exit_group(0) = ? [pid 779] <... futex resumed>) = ? [pid 778] <... futex resumed>) = ? [pid 779] +++ exited with 0 +++ [pid 778] +++ exited with 0 +++ [pid 777] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=487, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 780 attached , child_tidptr=0x55555756f750) = 490 [pid 780] set_robust_list(0x55555756f760, 24) = 0 [pid 780] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 780] setpgid(0, 0) = 0 [pid 780] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 780] write(3, "1000", 4) = 4 executing program [pid 780] close(3) = 0 [pid 780] write(1, "executing program\n", 18) = 18 [pid 780] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 780] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 780] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 780] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 780] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 780] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 780] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0}./strace-static-x86_64: Process 781 attached [pid 781] set_robust_list(0x7f43bf65d9a0, 24 [pid 780] <... clone3 resumed> => {parent_tid=[491]}, 88) = 491 [pid 781] <... set_robust_list resumed>) = 0 [pid 781] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 781] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 780] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 780] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 781] <... futex resumed>) = 0 [pid 780] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 781] memfd_create("syzkaller", 0 [pid 780] <... futex resumed>) = 0 [pid 781] <... memfd_create resumed>) = 3 [pid 780] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 781] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 780] <... mmap resumed>) = 0x7f43bf61c000 [pid 781] <... mmap resumed>) = 0x7f43b721c000 [pid 780] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 780] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 780] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0}./strace-static-x86_64: Process 782 attached => {parent_tid=[492]}, 88) = 492 [pid 780] rt_sigprocmask(SIG_SETMASK, [], [pid 782] set_robust_list(0x7f43bf63c9a0, 24 [pid 780] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 780] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000 [pid 782] <... set_robust_list resumed>) = 0 [pid 780] <... futex resumed>) = 0 [pid 782] rt_sigprocmask(SIG_SETMASK, [], [pid 780] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 782] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 782] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 781] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 781] munmap(0x7f43b721c000, 138412032) = 0 [pid 781] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 781] ioctl(5, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 781] ioctl(5, LOOP_CLR_FD) = 0 [pid 781] ioctl(5, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 781] close(5) = 0 [pid 781] close(3) = 0 [pid 781] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 781] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 782] <... openat resumed>) = 4 [pid 782] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 780] <... futex resumed>) = 0 [pid 780] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 780] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 781] <... futex resumed>) = 0 [pid 781] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 4, 0) = 0x200000000000 [pid 781] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 780] <... futex resumed>) = 0 [pid 780] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 780] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 781] <... futex resumed>) = 1 [pid 782] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 781] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 781] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 781] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 780] <... futex resumed>) = 0 [pid 780] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 780] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 781] <... futex resumed>) = 1 [pid 781] creat(0x200000000040, 000) = 3 [pid 781] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 780] <... futex resumed>) = 0 [pid 780] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 780] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 781] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 781] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 780] <... futex resumed>) = 0 [pid 780] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 780] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 781] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 781] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 780] <... futex resumed>) = 0 [pid 780] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 780] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 781] write(5, 0x200000000080, 34136651) = 131072 [pid 781] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 780] <... futex resumed>) = 0 [pid 780] close(3) = 0 [pid 780] close(4) = 0 [pid 780] close(5) = 0 [pid 780] close(6) = -1 EBADF (Bad file descriptor) [pid 780] close(7) = -1 EBADF (Bad file descriptor) [pid 780] close(8) = -1 EBADF (Bad file descriptor) [pid 780] close(9) = -1 EBADF (Bad file descriptor) [pid 780] close(10) = -1 EBADF (Bad file descriptor) [pid 780] close(11) = -1 EBADF (Bad file descriptor) [pid 780] close(12) = -1 EBADF (Bad file descriptor) [pid 780] close(13) = -1 EBADF (Bad file descriptor) [pid 780] close(14) = -1 EBADF (Bad file descriptor) [pid 780] close(15) = -1 EBADF (Bad file descriptor) [pid 780] close(16) = -1 EBADF (Bad file descriptor) [pid 780] close(17) = -1 EBADF (Bad file descriptor) [pid 780] close(18) = -1 EBADF (Bad file descriptor) [pid 780] close(19) = -1 EBADF (Bad file descriptor) [pid 780] close(20) = -1 EBADF (Bad file descriptor) [pid 780] close(21) = -1 EBADF (Bad file descriptor) [pid 780] close(22) = -1 EBADF (Bad file descriptor) [pid 780] close(23) = -1 EBADF (Bad file descriptor) [pid 780] close(24) = -1 EBADF (Bad file descriptor) [pid 780] close(25) = -1 EBADF (Bad file descriptor) [pid 780] close(26) = -1 EBADF (Bad file descriptor) [pid 780] close(27) = -1 EBADF (Bad file descriptor) [pid 780] close(28) = -1 EBADF (Bad file descriptor) [pid 780] close(29) = -1 EBADF (Bad file descriptor) [pid 780] exit_group(0) = ? [pid 782] <... futex resumed>) = ? [pid 782] +++ exited with 0 +++ [pid 781] +++ exited with 0 +++ [pid 780] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=490, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 783 attached [pid 783] set_robust_list(0x55555756f760, 24 [pid 289] <... clone resumed>, child_tidptr=0x55555756f750) = 493 [pid 783] <... set_robust_list resumed>) = 0 [pid 783] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 783] setpgid(0, 0) = 0 [pid 783] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 783] write(3, "1000", 4) = 4 [pid 783] close(3) = 0 [pid 783] write(1, "executing program\n", 18executing program ) = 18 [pid 783] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 783] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 783] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 783] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 783] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 783] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 783] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0}./strace-static-x86_64: Process 784 attached => {parent_tid=[494]}, 88) = 494 [pid 784] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 784] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 784] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 783] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 783] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 784] <... futex resumed>) = 0 [pid 784] memfd_create("syzkaller", 0) = 3 [pid 784] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b723d000 [pid 783] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 783] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43b721c000 [pid 783] mprotect(0x7f43b721d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 784] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 783] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 783] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43b723c990, parent_tid=0x7f43b723c990, exit_signal=0, stack=0x7f43b721c000, stack_size=0x20240, tls=0x7f43b723c6c0} [pid 784] <... write resumed>) = 131072 [pid 784] munmap(0x7f43b723d000, 138412032./strace-static-x86_64: Process 785 attached [pid 783] <... clone3 resumed> => {parent_tid=[495]}, 88) = 495 [pid 784] <... munmap resumed>) = 0 [pid 784] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 783] rt_sigprocmask(SIG_SETMASK, [], [pid 785] set_robust_list(0x7f43b723c9a0, 24 [pid 784] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 784] ioctl(4, LOOP_CLR_FD) = 0 [pid 785] <... set_robust_list resumed>) = 0 [pid 783] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 785] rt_sigprocmask(SIG_SETMASK, [], [pid 783] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000 [pid 785] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 783] <... futex resumed>) = 0 [pid 783] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 785] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 784] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 784] close(4) = 0 [pid 784] close(3) = 0 [pid 784] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 784] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 785] <... openat resumed>) = 3 [pid 785] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 783] <... futex resumed>) = 0 [pid 783] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 783] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 784] <... futex resumed>) = 0 [pid 784] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0 [pid 785] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 784] <... mmap resumed>) = 0x200000000000 [pid 784] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 783] <... futex resumed>) = 0 [pid 783] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 783] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 784] <... futex resumed>) = 1 [pid 784] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 784] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 784] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 783] <... futex resumed>) = 0 [pid 783] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 783] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 784] <... futex resumed>) = 1 [pid 784] creat(0x200000000040, 000) = 4 [pid 784] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 783] <... futex resumed>) = 0 [pid 783] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 783] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 784] <... futex resumed>) = 1 [pid 784] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 784] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 783] <... futex resumed>) = 0 [pid 783] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 783] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 784] <... futex resumed>) = 1 [pid 784] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 784] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 783] <... futex resumed>) = 0 [pid 783] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 783] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 784] <... futex resumed>) = 1 [pid 784] write(5, 0x200000000080, 34136651) = 131072 [pid 784] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 783] <... futex resumed>) = 0 [pid 784] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 783] close(3) = 0 [pid 783] close(4) = 0 [pid 783] close(5) = 0 [pid 783] close(6) = -1 EBADF (Bad file descriptor) [pid 783] close(7) = -1 EBADF (Bad file descriptor) [pid 783] close(8) = -1 EBADF (Bad file descriptor) [pid 783] close(9) = -1 EBADF (Bad file descriptor) [pid 783] close(10) = -1 EBADF (Bad file descriptor) [pid 783] close(11) = -1 EBADF (Bad file descriptor) [pid 783] close(12) = -1 EBADF (Bad file descriptor) [pid 783] close(13) = -1 EBADF (Bad file descriptor) [pid 783] close(14) = -1 EBADF (Bad file descriptor) [pid 783] close(15) = -1 EBADF (Bad file descriptor) [pid 783] close(16) = -1 EBADF (Bad file descriptor) [pid 783] close(17) = -1 EBADF (Bad file descriptor) [pid 783] close(18) = -1 EBADF (Bad file descriptor) [pid 783] close(19) = -1 EBADF (Bad file descriptor) [pid 783] close(20) = -1 EBADF (Bad file descriptor) [pid 783] close(21) = -1 EBADF (Bad file descriptor) [pid 783] close(22) = -1 EBADF (Bad file descriptor) [pid 783] close(23) = -1 EBADF (Bad file descriptor) [pid 783] close(24) = -1 EBADF (Bad file descriptor) [pid 783] close(25) = -1 EBADF (Bad file descriptor) [pid 783] close(26) = -1 EBADF (Bad file descriptor) [pid 783] close(27) = -1 EBADF (Bad file descriptor) [pid 783] close(28) = -1 EBADF (Bad file descriptor) [pid 783] close(29) = -1 EBADF (Bad file descriptor) [pid 783] exit_group(0) = ? [pid 784] <... futex resumed>) = ? [pid 785] <... futex resumed>) = ? [pid 785] +++ exited with 0 +++ [pid 784] +++ exited with 0 +++ [pid 783] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=493, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 786 attached , child_tidptr=0x55555756f750) = 496 [pid 786] set_robust_list(0x55555756f760, 24) = 0 [pid 786] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 786] setpgid(0, 0) = 0 [pid 786] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 786] write(3, "1000", 4) = 4 [pid 786] close(3) = 0 [pid 786] write(1, "executing program\n", 18executing program ) = 18 [pid 786] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 786] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 786] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 786] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 786] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 786] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 786] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0} => {parent_tid=[497]}, 88) = 497 [pid 786] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 786] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 786] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 786] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf61c000 [pid 786] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 786] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 786] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0}./strace-static-x86_64: Process 788 attached => {parent_tid=[498]}, 88) = 498 [pid 786] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 786] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 786] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 787 attached [pid 787] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 787] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 787] memfd_create("syzkaller", 0 [pid 788] set_robust_list(0x7f43bf63c9a0, 24 [pid 787] <... memfd_create resumed>) = 3 [pid 788] <... set_robust_list resumed>) = 0 [pid 787] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b721c000 [pid 788] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 788] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 787] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 787] munmap(0x7f43b721c000, 138412032) = 0 [pid 787] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 787] ioctl(5, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 787] ioctl(5, LOOP_CLR_FD) = 0 [pid 787] ioctl(5, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 787] close(5) = 0 [pid 787] close(3) = 0 [pid 787] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 787] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 788] <... openat resumed>) = 4 [pid 788] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 786] <... futex resumed>) = 0 [pid 786] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 786] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 787] <... futex resumed>) = 0 [pid 787] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 4, 0 [pid 788] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 787] <... mmap resumed>) = 0x200000000000 [pid 787] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 786] <... futex resumed>) = 0 [pid 786] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 786] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 787] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 787] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 787] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 786] <... futex resumed>) = 0 [pid 786] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 786] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 787] creat(0x200000000040, 000) = 3 [pid 787] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 786] <... futex resumed>) = 0 [pid 786] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 786] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 787] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 787] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 786] <... futex resumed>) = 0 [pid 786] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 786] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 787] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 787] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 786] <... futex resumed>) = 0 [pid 786] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 786] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 787] write(5, 0x200000000080, 34136651) = 131072 [pid 787] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 786] <... futex resumed>) = 0 [pid 786] close(3) = 0 [pid 786] close(4) = 0 [pid 786] close(5) = 0 [pid 786] close(6) = -1 EBADF (Bad file descriptor) [pid 786] close(7) = -1 EBADF (Bad file descriptor) [pid 786] close(8) = -1 EBADF (Bad file descriptor) [pid 786] close(9) = -1 EBADF (Bad file descriptor) [pid 786] close(10) = -1 EBADF (Bad file descriptor) [pid 786] close(11) = -1 EBADF (Bad file descriptor) [pid 786] close(12) = -1 EBADF (Bad file descriptor) [pid 786] close(13) = -1 EBADF (Bad file descriptor) [pid 786] close(14) = -1 EBADF (Bad file descriptor) [pid 786] close(15) = -1 EBADF (Bad file descriptor) [pid 786] close(16) = -1 EBADF (Bad file descriptor) [pid 786] close(17) = -1 EBADF (Bad file descriptor) [pid 786] close(18) = -1 EBADF (Bad file descriptor) [pid 786] close(19) = -1 EBADF (Bad file descriptor) [pid 786] close(20) = -1 EBADF (Bad file descriptor) [pid 786] close(21) = -1 EBADF (Bad file descriptor) [pid 786] close(22) = -1 EBADF (Bad file descriptor) [pid 786] close(23) = -1 EBADF (Bad file descriptor) [pid 786] close(24) = -1 EBADF (Bad file descriptor) [pid 786] close(25) = -1 EBADF (Bad file descriptor) [pid 786] close(26) = -1 EBADF (Bad file descriptor) [pid 786] close(27) = -1 EBADF (Bad file descriptor) [pid 786] close(28) = -1 EBADF (Bad file descriptor) [pid 786] close(29) = -1 EBADF (Bad file descriptor) [pid 786] exit_group(0) = ? [pid 788] <... futex resumed>) = ? [pid 788] +++ exited with 0 +++ [pid 787] +++ exited with 0 +++ [pid 786] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=496, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 789 attached , child_tidptr=0x55555756f750) = 499 [pid 789] set_robust_list(0x55555756f760, 24) = 0 [pid 789] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 789] setpgid(0, 0) = 0 [pid 789] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 789] write(3, "1000", 4) = 4 [pid 789] close(3) = 0 [pid 789] write(1, "executing program\n", 18executing program ) = 18 [pid 789] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 789] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 789] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 789] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 789] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 789] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 789] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0}./strace-static-x86_64: Process 790 attached => {parent_tid=[500]}, 88) = 500 [pid 790] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 790] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 790] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 789] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 789] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 790] <... futex resumed>) = 0 [pid 790] memfd_create("syzkaller", 0 [pid 789] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 790] <... memfd_create resumed>) = 3 [pid 790] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b723d000 [pid 789] <... futex resumed>) = 0 [pid 789] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43b721c000 [pid 789] mprotect(0x7f43b721d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 789] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 789] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43b723c990, parent_tid=0x7f43b723c990, exit_signal=0, stack=0x7f43b721c000, stack_size=0x20240, tls=0x7f43b723c6c0}./strace-static-x86_64: Process 791 attached => {parent_tid=[501]}, 88) = 501 [pid 789] rt_sigprocmask(SIG_SETMASK, [], [pid 791] set_robust_list(0x7f43b723c9a0, 24 [pid 789] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 789] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000 [pid 791] <... set_robust_list resumed>) = 0 [pid 789] <... futex resumed>) = 0 [pid 789] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 791] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 791] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 790] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 790] munmap(0x7f43b723d000, 138412032) = 0 [pid 790] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 790] ioctl(5, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 790] ioctl(5, LOOP_CLR_FD) = 0 [pid 790] ioctl(5, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 790] close(5) = 0 [pid 790] close(3) = 0 [pid 790] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 790] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 791] <... openat resumed>) = 4 [pid 791] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 789] <... futex resumed>) = 0 [pid 789] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 789] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 790] <... futex resumed>) = 0 [pid 790] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 4, 0 [pid 791] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 790] <... mmap resumed>) = 0x200000000000 [pid 790] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 789] <... futex resumed>) = 0 [pid 789] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 789] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 790] <... futex resumed>) = 1 [pid 790] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 790] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 790] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 790] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 789] <... futex resumed>) = 0 [pid 789] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 790] <... futex resumed>) = 0 [pid 790] creat(0x200000000040, 000 [pid 789] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 790] <... creat resumed>) = 3 [pid 790] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 789] <... futex resumed>) = 0 [pid 789] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 789] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 790] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 790] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 789] <... futex resumed>) = 0 [pid 789] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 789] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 790] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 790] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 789] <... futex resumed>) = 0 [pid 789] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 789] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 790] write(5, 0x200000000080, 34136651) = 131072 [pid 790] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 789] <... futex resumed>) = 0 [pid 789] close(3) = 0 [pid 789] close(4) = 0 [pid 789] close(5) = 0 [pid 789] close(6 [pid 790] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 789] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 789] close(7) = -1 EBADF (Bad file descriptor) [pid 789] close(8) = -1 EBADF (Bad file descriptor) [pid 789] close(9) = -1 EBADF (Bad file descriptor) [pid 789] close(10) = -1 EBADF (Bad file descriptor) [pid 789] close(11) = -1 EBADF (Bad file descriptor) [pid 789] close(12) = -1 EBADF (Bad file descriptor) [pid 789] close(13) = -1 EBADF (Bad file descriptor) [pid 789] close(14) = -1 EBADF (Bad file descriptor) [pid 789] close(15) = -1 EBADF (Bad file descriptor) [pid 789] close(16) = -1 EBADF (Bad file descriptor) [pid 789] close(17) = -1 EBADF (Bad file descriptor) [pid 789] close(18) = -1 EBADF (Bad file descriptor) [pid 789] close(19) = -1 EBADF (Bad file descriptor) [pid 789] close(20) = -1 EBADF (Bad file descriptor) [pid 789] close(21) = -1 EBADF (Bad file descriptor) [pid 789] close(22) = -1 EBADF (Bad file descriptor) [pid 789] close(23) = -1 EBADF (Bad file descriptor) [pid 789] close(24) = -1 EBADF (Bad file descriptor) [pid 789] close(25) = -1 EBADF (Bad file descriptor) [pid 789] close(26) = -1 EBADF (Bad file descriptor) [pid 789] close(27) = -1 EBADF (Bad file descriptor) [pid 789] close(28) = -1 EBADF (Bad file descriptor) [pid 789] close(29) = -1 EBADF (Bad file descriptor) [pid 789] exit_group(0) = ? [pid 791] <... futex resumed>) = ? [pid 790] <... futex resumed>) = ? [pid 791] +++ exited with 0 +++ [pid 790] +++ exited with 0 +++ [pid 789] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=499, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 792 attached , child_tidptr=0x55555756f750) = 502 [pid 792] set_robust_list(0x55555756f760, 24) = 0 [pid 792] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 792] setpgid(0, 0) = 0 [pid 792] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 792] write(3, "1000", 4) = 4 [pid 792] close(3) = 0 [pid 792] write(1, "executing program\n", 18executing program ) = 18 [pid 792] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 792] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 792] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 792] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 792] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 792] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 792] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0}./strace-static-x86_64: Process 793 attached => {parent_tid=[503]}, 88) = 503 [pid 793] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 793] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 793] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 792] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 792] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 793] <... futex resumed>) = 0 [pid 793] memfd_create("syzkaller", 0) = 3 [pid 792] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 793] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b723d000 [pid 792] <... futex resumed>) = 0 [pid 792] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43b721c000 [pid 792] mprotect(0x7f43b721d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 792] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 792] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43b723c990, parent_tid=0x7f43b723c990, exit_signal=0, stack=0x7f43b721c000, stack_size=0x20240, tls=0x7f43b723c6c0} [pid 793] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072./strace-static-x86_64: Process 794 attached [pid 792] <... clone3 resumed> => {parent_tid=[504]}, 88) = 504 [pid 794] set_robust_list(0x7f43b723c9a0, 24 [pid 793] <... write resumed>) = 131072 [pid 793] munmap(0x7f43b723d000, 138412032) = 0 [pid 794] <... set_robust_list resumed>) = 0 [pid 792] rt_sigprocmask(SIG_SETMASK, [], [pid 793] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 793] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 793] ioctl(4, LOOP_CLR_FD) = 0 [pid 794] rt_sigprocmask(SIG_SETMASK, [], [pid 792] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 794] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 792] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000 [pid 794] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 792] <... futex resumed>) = 0 [pid 792] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 793] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 793] close(4) = 0 [pid 793] close(3) = 0 [pid 793] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 793] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 794] <... openat resumed>) = 5 [pid 794] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 792] <... futex resumed>) = 0 [pid 792] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 792] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 794] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 793] <... futex resumed>) = 0 [pid 793] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 5, 0) = 0x200000000000 [pid 793] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 792] <... futex resumed>) = 0 [pid 792] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 792] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 793] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 793] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 793] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 792] <... futex resumed>) = 0 [pid 792] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 792] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 793] creat(0x200000000040, 000) = 3 [pid 793] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 792] <... futex resumed>) = 0 [pid 792] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 792] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 793] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 793] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 792] <... futex resumed>) = 0 [pid 792] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 792] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 793] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 4 [pid 793] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 792] <... futex resumed>) = 0 [pid 792] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 792] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 793] write(4, 0x200000000080, 34136651) = 131072 [pid 793] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 792] <... futex resumed>) = 0 [pid 792] close(3) = 0 [pid 792] close(4) = 0 [pid 792] close(5) = 0 [pid 792] close(6) = -1 EBADF (Bad file descriptor) [pid 793] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 792] close(7) = -1 EBADF (Bad file descriptor) [pid 792] close(8) = -1 EBADF (Bad file descriptor) [pid 792] close(9) = -1 EBADF (Bad file descriptor) [pid 792] close(10) = -1 EBADF (Bad file descriptor) [pid 792] close(11) = -1 EBADF (Bad file descriptor) [pid 792] close(12) = -1 EBADF (Bad file descriptor) [pid 792] close(13) = -1 EBADF (Bad file descriptor) [pid 792] close(14) = -1 EBADF (Bad file descriptor) [pid 792] close(15) = -1 EBADF (Bad file descriptor) [pid 792] close(16) = -1 EBADF (Bad file descriptor) [pid 792] close(17) = -1 EBADF (Bad file descriptor) [pid 792] close(18) = -1 EBADF (Bad file descriptor) [pid 792] close(19) = -1 EBADF (Bad file descriptor) [pid 792] close(20) = -1 EBADF (Bad file descriptor) [pid 792] close(21) = -1 EBADF (Bad file descriptor) [pid 792] close(22) = -1 EBADF (Bad file descriptor) [pid 792] close(23) = -1 EBADF (Bad file descriptor) [pid 792] close(24) = -1 EBADF (Bad file descriptor) [pid 792] close(25) = -1 EBADF (Bad file descriptor) [pid 792] close(26) = -1 EBADF (Bad file descriptor) [pid 792] close(27) = -1 EBADF (Bad file descriptor) [pid 792] close(28) = -1 EBADF (Bad file descriptor) [pid 792] close(29) = -1 EBADF (Bad file descriptor) [pid 792] exit_group(0) = ? [pid 794] <... futex resumed>) = ? [pid 793] <... futex resumed>) = ? [pid 794] +++ exited with 0 +++ [pid 793] +++ exited with 0 +++ [pid 792] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=502, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756f750) = 505 ./strace-static-x86_64: Process 795 attached [pid 795] set_robust_list(0x55555756f760, 24) = 0 [pid 795] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 795] setpgid(0, 0) = 0 [pid 795] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 795] write(3, "1000", 4) = 4 [pid 795] close(3) = 0 executing program [pid 795] write(1, "executing program\n", 18) = 18 [pid 795] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 795] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 795] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 795] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 795] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 795] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 795] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0}./strace-static-x86_64: Process 796 attached [pid 796] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 796] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 796] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 795] <... clone3 resumed> => {parent_tid=[506]}, 88) = 506 [pid 795] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 795] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 796] <... futex resumed>) = 0 [pid 796] memfd_create("syzkaller", 0) = 3 [pid 796] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b723d000 [pid 795] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 795] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43b721c000 [pid 795] mprotect(0x7f43b721d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 795] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 796] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 795] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43b723c990, parent_tid=0x7f43b723c990, exit_signal=0, stack=0x7f43b721c000, stack_size=0x20240, tls=0x7f43b723c6c0} => {parent_tid=[507]}, 88) = 507 [pid 796] <... write resumed>) = 131072 [pid 795] rt_sigprocmask(SIG_SETMASK, [], [pid 796] munmap(0x7f43b723d000, 138412032 [pid 795] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 796] <... munmap resumed>) = 0 [pid 795] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000 [pid 796] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 795] <... futex resumed>) = 0 [pid 796] <... openat resumed>) = 4 [pid 795] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 796] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 796] ioctl(4, LOOP_CLR_FD) = 0 ./strace-static-x86_64: Process 797 attached [pid 797] set_robust_list(0x7f43b723c9a0, 24) = 0 [pid 797] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 797] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 796] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 796] close(4) = 0 [pid 796] close(3) = 0 [pid 796] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 796] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 797] <... openat resumed>) = 5 [pid 797] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 795] <... futex resumed>) = 0 [pid 797] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 795] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 796] <... futex resumed>) = 0 [pid 795] <... futex resumed>) = 1 [pid 796] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 5, 0 [pid 795] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 796] <... mmap resumed>) = 0x200000000000 [pid 796] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 795] <... futex resumed>) = 0 [pid 796] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 795] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 796] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 795] <... futex resumed>) = 0 [pid 796] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 795] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 796] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 796] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 795] <... futex resumed>) = 0 [pid 796] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 795] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 796] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 795] <... futex resumed>) = 0 [pid 796] creat(0x200000000040, 000 [pid 795] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 796] <... creat resumed>) = 3 [pid 796] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 795] <... futex resumed>) = 0 [pid 796] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 795] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 796] <... futex resumed>) = 0 [pid 795] <... futex resumed>) = 1 [pid 796] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL [pid 795] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 796] <... mount resumed>) = 0 [pid 796] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 795] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 796] <... futex resumed>) = 0 [pid 796] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 795] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 796] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 795] <... futex resumed>) = 0 [pid 796] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c [pid 795] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 796] <... open resumed>) = 4 [pid 796] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 795] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 796] <... futex resumed>) = 0 [pid 796] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 795] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 796] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 796] write(4, 0x200000000080, 34136651 [pid 795] <... futex resumed>) = 0 [pid 795] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 796] <... write resumed>) = 131072 [pid 796] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 795] <... futex resumed>) = 0 [pid 795] close(3) = 0 [pid 795] close(4) = 0 [pid 795] close(5) = 0 [pid 796] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 795] close(6) = -1 EBADF (Bad file descriptor) [pid 795] close(7) = -1 EBADF (Bad file descriptor) [pid 795] close(8) = -1 EBADF (Bad file descriptor) [pid 795] close(9) = -1 EBADF (Bad file descriptor) [pid 795] close(10) = -1 EBADF (Bad file descriptor) [pid 795] close(11) = -1 EBADF (Bad file descriptor) [pid 795] close(12) = -1 EBADF (Bad file descriptor) [pid 795] close(13) = -1 EBADF (Bad file descriptor) [pid 795] close(14) = -1 EBADF (Bad file descriptor) [pid 795] close(15) = -1 EBADF (Bad file descriptor) [pid 795] close(16) = -1 EBADF (Bad file descriptor) [pid 795] close(17) = -1 EBADF (Bad file descriptor) [pid 795] close(18) = -1 EBADF (Bad file descriptor) [pid 795] close(19) = -1 EBADF (Bad file descriptor) [pid 795] close(20) = -1 EBADF (Bad file descriptor) [pid 795] close(21) = -1 EBADF (Bad file descriptor) [pid 795] close(22) = -1 EBADF (Bad file descriptor) [pid 795] close(23) = -1 EBADF (Bad file descriptor) [pid 795] close(24) = -1 EBADF (Bad file descriptor) [pid 795] close(25) = -1 EBADF (Bad file descriptor) [pid 795] close(26) = -1 EBADF (Bad file descriptor) [pid 795] close(27) = -1 EBADF (Bad file descriptor) [pid 795] close(28) = -1 EBADF (Bad file descriptor) [pid 795] close(29) = -1 EBADF (Bad file descriptor) [pid 795] exit_group(0 [pid 797] <... futex resumed>) = ? [pid 796] <... futex resumed>) = ? [pid 795] <... exit_group resumed>) = ? [pid 797] +++ exited with 0 +++ [pid 796] +++ exited with 0 +++ [pid 795] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=505, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 798 attached [pid 798] set_robust_list(0x55555756f760, 24) = 0 [pid 798] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 289] <... clone resumed>, child_tidptr=0x55555756f750) = 508 [pid 798] <... prctl resumed>) = 0 [pid 798] setpgid(0, 0) = 0 [pid 798] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 798] write(3, "1000", 4) = 4 [pid 798] close(3) = 0 [pid 798] write(1, "executing program\n", 18executing program ) = 18 [pid 798] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 798] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 798] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 798] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 798] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 798] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 798] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0}./strace-static-x86_64: Process 799 attached [pid 799] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 799] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 799] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 798] <... clone3 resumed> => {parent_tid=[509]}, 88) = 509 [pid 798] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 798] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 799] <... futex resumed>) = 0 [pid 798] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 799] memfd_create("syzkaller", 0) = 3 [pid 799] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b723d000 [pid 798] <... futex resumed>) = 0 [pid 798] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43b721c000 [pid 798] mprotect(0x7f43b721d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 798] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 799] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 798] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43b723c990, parent_tid=0x7f43b723c990, exit_signal=0, stack=0x7f43b721c000, stack_size=0x20240, tls=0x7f43b723c6c0} [pid 799] <... write resumed>) = 131072 ./strace-static-x86_64: Process 800 attached [pid 799] munmap(0x7f43b723d000, 138412032 [pid 798] <... clone3 resumed> => {parent_tid=[510]}, 88) = 510 [pid 800] set_robust_list(0x7f43b723c9a0, 24 [pid 799] <... munmap resumed>) = 0 [pid 800] <... set_robust_list resumed>) = 0 [pid 798] rt_sigprocmask(SIG_SETMASK, [], [pid 799] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 799] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 799] ioctl(4, LOOP_CLR_FD) = 0 [pid 798] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 800] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 798] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 800] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 798] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 799] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 799] close(4) = 0 [pid 799] close(3) = 0 [pid 799] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 799] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 800] <... openat resumed>) = 5 [pid 800] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 798] <... futex resumed>) = 0 [pid 798] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 798] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 799] <... futex resumed>) = 0 [pid 799] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 5, 0) = 0x200000000000 [pid 800] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 799] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 798] <... futex resumed>) = 0 [pid 798] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 798] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 799] <... futex resumed>) = 1 [pid 799] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 799] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 799] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 798] <... futex resumed>) = 0 [pid 798] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 798] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 799] <... futex resumed>) = 1 [pid 799] creat(0x200000000040, 000) = 3 [pid 799] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 798] <... futex resumed>) = 0 [pid 798] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 798] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 799] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 799] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 798] <... futex resumed>) = 0 [pid 798] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 798] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 799] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 4 [pid 799] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 798] <... futex resumed>) = 0 [pid 798] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 798] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 799] write(4, 0x200000000080, 34136651) = 131072 [pid 799] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 798] <... futex resumed>) = 0 [pid 798] close(3) = 0 [pid 798] close(4) = 0 [pid 798] close(5) = 0 [pid 798] close(6) = -1 EBADF (Bad file descriptor) [pid 798] close(7) = -1 EBADF (Bad file descriptor) [pid 798] close(8) = -1 EBADF (Bad file descriptor) [pid 798] close(9) = -1 EBADF (Bad file descriptor) [pid 798] close(10) = -1 EBADF (Bad file descriptor) [pid 798] close(11) = -1 EBADF (Bad file descriptor) [pid 798] close(12) = -1 EBADF (Bad file descriptor) [pid 798] close(13) = -1 EBADF (Bad file descriptor) [pid 798] close(14) = -1 EBADF (Bad file descriptor) [pid 798] close(15) = -1 EBADF (Bad file descriptor) [pid 798] close(16) = -1 EBADF (Bad file descriptor) [pid 798] close(17) = -1 EBADF (Bad file descriptor) [pid 798] close(18) = -1 EBADF (Bad file descriptor) [pid 798] close(19) = -1 EBADF (Bad file descriptor) [pid 798] close(20) = -1 EBADF (Bad file descriptor) [pid 798] close(21) = -1 EBADF (Bad file descriptor) [pid 798] close(22) = -1 EBADF (Bad file descriptor) [pid 798] close(23) = -1 EBADF (Bad file descriptor) [pid 798] close(24) = -1 EBADF (Bad file descriptor) [pid 798] close(25) = -1 EBADF (Bad file descriptor) [pid 798] close(26) = -1 EBADF (Bad file descriptor) [pid 798] close(27) = -1 EBADF (Bad file descriptor) [pid 798] close(28) = -1 EBADF (Bad file descriptor) [pid 798] close(29) = -1 EBADF (Bad file descriptor) [pid 798] exit_group(0) = ? [pid 800] <... futex resumed>) = ? [pid 800] +++ exited with 0 +++ [pid 799] +++ exited with 0 +++ [pid 798] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=508, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756f750) = 511 ./strace-static-x86_64: Process 801 attached [pid 801] set_robust_list(0x55555756f760, 24) = 0 [pid 801] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 801] setpgid(0, 0) = 0 [pid 801] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 801] write(3, "1000", 4) = 4 [pid 801] close(3) = 0 [pid 801] write(1, "executing program\n", 18executing program ) = 18 [pid 801] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 801] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 801] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 801] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 801] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 801] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 801] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0}./strace-static-x86_64: Process 802 attached => {parent_tid=[512]}, 88) = 512 [pid 802] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 802] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 802] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 801] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 801] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 802] <... futex resumed>) = 0 [pid 802] memfd_create("syzkaller", 0) = 3 [pid 802] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b723d000 [pid 801] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 801] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43b721c000 [pid 801] mprotect(0x7f43b721d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 801] rt_sigprocmask(SIG_BLOCK, ~[], [pid 802] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 801] <... rt_sigprocmask resumed>[], 8) = 0 [pid 801] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43b723c990, parent_tid=0x7f43b723c990, exit_signal=0, stack=0x7f43b721c000, stack_size=0x20240, tls=0x7f43b723c6c0} [pid 802] <... write resumed>) = 131072 [pid 802] munmap(0x7f43b723d000, 138412032) = 0 [pid 802] openat(AT_FDCWD, "/dev/loop0", O_RDWR./strace-static-x86_64: Process 803 attached [pid 801] <... clone3 resumed> => {parent_tid=[513]}, 88) = 513 [pid 802] <... openat resumed>) = 4 [pid 802] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 802] ioctl(4, LOOP_CLR_FD) = 0 [pid 803] set_robust_list(0x7f43b723c9a0, 24 [pid 801] rt_sigprocmask(SIG_SETMASK, [], [pid 803] <... set_robust_list resumed>) = 0 [pid 801] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 803] rt_sigprocmask(SIG_SETMASK, [], [pid 801] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000 [pid 803] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 801] <... futex resumed>) = 0 [pid 801] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 803] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 802] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 802] close(4) = 0 [pid 802] close(3) = 0 [pid 802] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 802] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 803] <... openat resumed>) = 5 [pid 803] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 801] <... futex resumed>) = 0 [pid 801] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 801] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 803] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 802] <... futex resumed>) = 0 [pid 802] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 5, 0) = 0x200000000000 [pid 802] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 801] <... futex resumed>) = 0 [pid 801] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 801] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 802] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 802] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 802] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 801] <... futex resumed>) = 0 [pid 801] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 801] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 802] creat(0x200000000040, 000) = 3 [pid 802] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 801] <... futex resumed>) = 0 [pid 801] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 801] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 802] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 802] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 801] <... futex resumed>) = 0 [pid 801] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 801] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 802] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 4 [pid 802] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 801] <... futex resumed>) = 0 [pid 802] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 801] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 801] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 802] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 802] write(4, 0x200000000080, 34136651) = 131072 [pid 802] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 801] <... futex resumed>) = 0 [pid 801] close(3) = 0 [pid 801] close(4) = 0 [pid 801] close(5) = 0 [pid 801] close(6) = -1 EBADF (Bad file descriptor) [pid 801] close(7) = -1 EBADF (Bad file descriptor) [pid 801] close(8) = -1 EBADF (Bad file descriptor) [pid 801] close(9) = -1 EBADF (Bad file descriptor) [pid 801] close(10) = -1 EBADF (Bad file descriptor) [pid 801] close(11) = -1 EBADF (Bad file descriptor) [pid 801] close(12) = -1 EBADF (Bad file descriptor) [pid 801] close(13) = -1 EBADF (Bad file descriptor) [pid 801] close(14) = -1 EBADF (Bad file descriptor) [pid 801] close(15) = -1 EBADF (Bad file descriptor) [pid 801] close(16) = -1 EBADF (Bad file descriptor) [pid 801] close(17) = -1 EBADF (Bad file descriptor) [pid 801] close(18) = -1 EBADF (Bad file descriptor) [pid 801] close(19 [pid 802] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 801] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 801] close(20) = -1 EBADF (Bad file descriptor) [pid 801] close(21) = -1 EBADF (Bad file descriptor) [pid 801] close(22) = -1 EBADF (Bad file descriptor) [pid 801] close(23) = -1 EBADF (Bad file descriptor) [pid 801] close(24) = -1 EBADF (Bad file descriptor) [pid 801] close(25) = -1 EBADF (Bad file descriptor) [pid 801] close(26) = -1 EBADF (Bad file descriptor) [pid 801] close(27) = -1 EBADF (Bad file descriptor) [pid 801] close(28) = -1 EBADF (Bad file descriptor) [pid 801] close(29) = -1 EBADF (Bad file descriptor) [pid 801] exit_group(0) = ? [pid 803] <... futex resumed>) = ? [pid 802] <... futex resumed>) = ? [pid 802] +++ exited with 0 +++ [pid 803] +++ exited with 0 +++ [pid 801] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=511, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756f750) = 514 ./strace-static-x86_64: Process 804 attached [pid 804] set_robust_list(0x55555756f760, 24) = 0 [pid 804] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 804] setpgid(0, 0) = 0 [pid 804] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 804] write(3, "1000", 4) = 4 [pid 804] close(3) = 0 [pid 804] write(1, "executing program\n", 18executing program ) = 18 [pid 804] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 804] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 804] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 804] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 804] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 804] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 804] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0}./strace-static-x86_64: Process 805 attached => {parent_tid=[515]}, 88) = 515 [pid 805] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 805] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 805] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 804] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 804] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 805] <... futex resumed>) = 0 [pid 804] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 805] memfd_create("syzkaller", 0 [pid 804] <... futex resumed>) = 0 [pid 805] <... memfd_create resumed>) = 3 [pid 804] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 805] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b723d000 [pid 804] <... mmap resumed>) = 0x7f43b721c000 [pid 804] mprotect(0x7f43b721d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 804] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 804] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43b723c990, parent_tid=0x7f43b723c990, exit_signal=0, stack=0x7f43b721c000, stack_size=0x20240, tls=0x7f43b723c6c0} [pid 805] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 804] <... clone3 resumed> => {parent_tid=[516]}, 88) = 516 [pid 804] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 804] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 805] <... write resumed>) = 131072 [pid 805] munmap(0x7f43b723d000, 138412032 [pid 804] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 805] <... munmap resumed>) = 0 [pid 805] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 805] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 805] ioctl(4, LOOP_CLR_FD) = 0 ./strace-static-x86_64: Process 806 attached [pid 806] set_robust_list(0x7f43b723c9a0, 24) = 0 [pid 806] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 806] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 805] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 805] close(4) = 0 [pid 805] close(3) = 0 [pid 805] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 805] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 806] <... openat resumed>) = 5 [pid 806] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 804] <... futex resumed>) = 0 [pid 804] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 805] <... futex resumed>) = 0 [pid 805] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 5, 0 [pid 806] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 805] <... mmap resumed>) = 0x200000000000 [pid 805] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 805] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 804] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 804] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 805] <... futex resumed>) = 0 [pid 805] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 805] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 805] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 804] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 805] <... futex resumed>) = 0 [pid 805] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 804] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 804] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 805] <... futex resumed>) = 0 [pid 804] <... futex resumed>) = 1 [pid 804] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 805] creat(0x200000000040, 000) = 3 [pid 805] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 804] <... futex resumed>) = 0 [pid 805] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 804] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 805] <... futex resumed>) = 0 [pid 804] <... futex resumed>) = 1 [pid 805] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL [pid 804] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 805] <... mount resumed>) = 0 [pid 805] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 804] <... futex resumed>) = 0 [pid 805] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 804] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 805] <... futex resumed>) = 0 [pid 804] <... futex resumed>) = 1 [pid 805] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c [pid 804] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 805] <... open resumed>) = 4 [pid 805] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 804] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 805] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 804] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 805] <... futex resumed>) = 0 [pid 804] <... futex resumed>) = 1 [pid 805] write(4, 0x200000000080, 34136651 [pid 804] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 805] <... write resumed>) = 131072 [pid 805] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 805] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 804] <... futex resumed>) = 0 [pid 804] close(3) = 0 [pid 804] close(4) = 0 [pid 804] close(5) = 0 [pid 804] close(6) = -1 EBADF (Bad file descriptor) [pid 804] close(7) = -1 EBADF (Bad file descriptor) [pid 804] close(8) = -1 EBADF (Bad file descriptor) [pid 804] close(9) = -1 EBADF (Bad file descriptor) [pid 804] close(10) = -1 EBADF (Bad file descriptor) [pid 804] close(11) = -1 EBADF (Bad file descriptor) [pid 804] close(12) = -1 EBADF (Bad file descriptor) [pid 804] close(13) = -1 EBADF (Bad file descriptor) [pid 804] close(14) = -1 EBADF (Bad file descriptor) [pid 804] close(15) = -1 EBADF (Bad file descriptor) [pid 804] close(16) = -1 EBADF (Bad file descriptor) [pid 804] close(17) = -1 EBADF (Bad file descriptor) [pid 804] close(18) = -1 EBADF (Bad file descriptor) [pid 804] close(19) = -1 EBADF (Bad file descriptor) [pid 804] close(20) = -1 EBADF (Bad file descriptor) [pid 804] close(21) = -1 EBADF (Bad file descriptor) [pid 804] close(22) = -1 EBADF (Bad file descriptor) [pid 804] close(23) = -1 EBADF (Bad file descriptor) [pid 804] close(24) = -1 EBADF (Bad file descriptor) [pid 804] close(25) = -1 EBADF (Bad file descriptor) [pid 804] close(26) = -1 EBADF (Bad file descriptor) [pid 804] close(27) = -1 EBADF (Bad file descriptor) [pid 804] close(28) = -1 EBADF (Bad file descriptor) [pid 804] close(29) = -1 EBADF (Bad file descriptor) [pid 804] exit_group(0) = ? [pid 806] <... futex resumed>) = ? [pid 805] <... futex resumed>) = ? [pid 806] +++ exited with 0 +++ [pid 805] +++ exited with 0 +++ [pid 804] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=514, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756f750) = 517 ./strace-static-x86_64: Process 807 attached [pid 807] set_robust_list(0x55555756f760, 24) = 0 [pid 807] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 807] setpgid(0, 0) = 0 [pid 807] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 807] write(3, "1000", 4) = 4 [pid 807] close(3) = 0 executing program [pid 807] write(1, "executing program\n", 18) = 18 [pid 807] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 807] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 807] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 807] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 807] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 807] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 807] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0}./strace-static-x86_64: Process 808 attached [pid 808] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 808] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 808] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 807] <... clone3 resumed> => {parent_tid=[518]}, 88) = 518 [pid 807] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 807] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 808] <... futex resumed>) = 0 [pid 808] memfd_create("syzkaller", 0) = 3 [pid 807] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 808] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b723d000 [pid 807] <... futex resumed>) = 0 [pid 807] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43b721c000 [pid 807] mprotect(0x7f43b721d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 807] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 807] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43b723c990, parent_tid=0x7f43b723c990, exit_signal=0, stack=0x7f43b721c000, stack_size=0x20240, tls=0x7f43b723c6c0} [pid 808] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 807] <... clone3 resumed> => {parent_tid=[519]}, 88) = 519 [pid 807] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 807] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 807] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 809 attached [pid 808] <... write resumed>) = 131072 [pid 808] munmap(0x7f43b723d000, 138412032 [pid 809] set_robust_list(0x7f43b723c9a0, 24 [pid 808] <... munmap resumed>) = 0 [pid 809] <... set_robust_list resumed>) = 0 [pid 808] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 809] rt_sigprocmask(SIG_SETMASK, [], [pid 808] <... openat resumed>) = 4 [pid 809] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 808] ioctl(4, LOOP_SET_FD, 3 [pid 809] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 808] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 808] ioctl(4, LOOP_CLR_FD) = 0 [pid 808] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 808] close(4) = 0 [pid 808] close(3) = 0 [pid 808] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 808] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 809] <... openat resumed>) = 5 [pid 809] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 807] <... futex resumed>) = 0 [pid 807] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 808] <... futex resumed>) = 0 [pid 808] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 5, 0 [pid 809] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 808] <... mmap resumed>) = 0x200000000000 [pid 808] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 808] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 807] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 807] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 808] <... futex resumed>) = 0 [pid 808] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 807] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 808] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 808] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 808] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 807] <... futex resumed>) = 0 [pid 807] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 807] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 808] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 808] creat(0x200000000040, 000) = 3 [pid 808] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 807] <... futex resumed>) = 0 [pid 807] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 807] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 808] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 808] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 808] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 807] <... futex resumed>) = 0 [pid 807] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 807] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 808] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 808] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 4 [pid 808] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 807] <... futex resumed>) = 0 [pid 807] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 807] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 808] write(4, 0x200000000080, 34136651) = 131072 [pid 808] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 807] <... futex resumed>) = 0 [pid 807] close(3) = 0 [pid 807] close(4) = 0 [pid 807] close(5) = 0 [pid 807] close(6) = -1 EBADF (Bad file descriptor) [pid 807] close(7) = -1 EBADF (Bad file descriptor) [pid 807] close(8) = -1 EBADF (Bad file descriptor) [pid 807] close(9) = -1 EBADF (Bad file descriptor) [pid 807] close(10) = -1 EBADF (Bad file descriptor) [pid 807] close(11) = -1 EBADF (Bad file descriptor) [pid 807] close(12) = -1 EBADF (Bad file descriptor) [pid 807] close(13) = -1 EBADF (Bad file descriptor) [pid 807] close(14) = -1 EBADF (Bad file descriptor) [pid 807] close(15) = -1 EBADF (Bad file descriptor) [pid 807] close(16) = -1 EBADF (Bad file descriptor) [pid 807] close(17) = -1 EBADF (Bad file descriptor) [pid 807] close(18) = -1 EBADF (Bad file descriptor) [pid 807] close(19) = -1 EBADF (Bad file descriptor) [pid 807] close(20) = -1 EBADF (Bad file descriptor) [pid 807] close(21) = -1 EBADF (Bad file descriptor) [pid 807] close(22) = -1 EBADF (Bad file descriptor) [pid 807] close(23) = -1 EBADF (Bad file descriptor) [pid 807] close(24) = -1 EBADF (Bad file descriptor) [pid 807] close(25) = -1 EBADF (Bad file descriptor) [pid 807] close(26) = -1 EBADF (Bad file descriptor) [pid 807] close(27) = -1 EBADF (Bad file descriptor) [pid 807] close(28) = -1 EBADF (Bad file descriptor) [pid 807] close(29) = -1 EBADF (Bad file descriptor) [pid 807] exit_group(0) = ? [pid 809] <... futex resumed>) = ? [pid 808] +++ exited with 0 +++ [pid 809] +++ exited with 0 +++ [pid 807] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=517, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 810 attached [pid 810] set_robust_list(0x55555756f760, 24 [pid 289] <... clone resumed>, child_tidptr=0x55555756f750) = 520 [pid 810] <... set_robust_list resumed>) = 0 [pid 810] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 810] setpgid(0, 0) = 0 [pid 810] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 810] write(3, "1000", 4) = 4 [pid 810] close(3) = 0 [pid 810] write(1, "executing program\n", 18executing program ) = 18 [pid 810] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 810] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 810] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 810] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 810] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 810] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 810] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0}./strace-static-x86_64: Process 811 attached => {parent_tid=[521]}, 88) = 521 [pid 811] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 811] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 811] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 810] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 810] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 811] <... futex resumed>) = 0 [pid 810] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 811] memfd_create("syzkaller", 0) = 3 [pid 811] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b723d000 [pid 810] <... futex resumed>) = 0 [pid 810] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43b721c000 [pid 810] mprotect(0x7f43b721d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 810] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 810] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43b723c990, parent_tid=0x7f43b723c990, exit_signal=0, stack=0x7f43b721c000, stack_size=0x20240, tls=0x7f43b723c6c0} [pid 811] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072./strace-static-x86_64: Process 812 attached ) = 131072 [pid 810] <... clone3 resumed> => {parent_tid=[522]}, 88) = 522 [pid 810] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 810] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 810] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 811] munmap(0x7f43b723d000, 138412032) = 0 [pid 811] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 811] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 811] ioctl(4, LOOP_CLR_FD) = 0 [pid 812] set_robust_list(0x7f43b723c9a0, 24) = 0 [pid 812] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 812] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 811] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 811] close(4) = 0 [pid 811] close(3) = 0 [pid 811] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 811] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 812] <... openat resumed>) = 5 [pid 812] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 810] <... futex resumed>) = 0 [pid 810] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 810] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 811] <... futex resumed>) = 0 [pid 811] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 5, 0 [pid 812] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 811] <... mmap resumed>) = 0x200000000000 [pid 811] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 810] <... futex resumed>) = 0 [pid 810] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 810] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 811] <... futex resumed>) = 1 [pid 811] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 811] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 811] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 810] <... futex resumed>) = 0 [pid 810] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 810] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 811] <... futex resumed>) = 1 [pid 811] creat(0x200000000040, 000) = 3 [pid 811] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 810] <... futex resumed>) = 0 [pid 810] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 810] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 811] <... futex resumed>) = 1 [pid 811] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 811] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 810] <... futex resumed>) = 0 [pid 810] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 810] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 811] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 4 [pid 811] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 810] <... futex resumed>) = 0 [pid 810] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 810] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 811] write(4, 0x200000000080, 34136651) = 131072 [pid 811] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 810] <... futex resumed>) = 0 [pid 810] close(3) = 0 [pid 810] close(4) = 0 [pid 810] close(5) = 0 [pid 810] close(6) = -1 EBADF (Bad file descriptor) [pid 810] close(7) = -1 EBADF (Bad file descriptor) [pid 810] close(8) = -1 EBADF (Bad file descriptor) [pid 810] close(9) = -1 EBADF (Bad file descriptor) [pid 810] close(10) = -1 EBADF (Bad file descriptor) [pid 810] close(11) = -1 EBADF (Bad file descriptor) [pid 810] close(12) = -1 EBADF (Bad file descriptor) [pid 810] close(13) = -1 EBADF (Bad file descriptor) [pid 810] close(14) = -1 EBADF (Bad file descriptor) [pid 810] close(15) = -1 EBADF (Bad file descriptor) [pid 810] close(16) = -1 EBADF (Bad file descriptor) [pid 810] close(17) = -1 EBADF (Bad file descriptor) [pid 810] close(18) = -1 EBADF (Bad file descriptor) [pid 810] close(19) = -1 EBADF (Bad file descriptor) [pid 810] close(20) = -1 EBADF (Bad file descriptor) [pid 810] close(21) = -1 EBADF (Bad file descriptor) [pid 810] close(22) = -1 EBADF (Bad file descriptor) [pid 810] close(23) = -1 EBADF (Bad file descriptor) [pid 810] close(24) = -1 EBADF (Bad file descriptor) [pid 810] close(25) = -1 EBADF (Bad file descriptor) [pid 810] close(26) = -1 EBADF (Bad file descriptor) [pid 810] close(27) = -1 EBADF (Bad file descriptor) [pid 810] close(28 [pid 811] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 810] close(29) = -1 EBADF (Bad file descriptor) [pid 810] exit_group(0) = ? [pid 811] <... futex resumed>) = ? [pid 812] <... futex resumed>) = ? [pid 812] +++ exited with 0 +++ [pid 811] +++ exited with 0 +++ [pid 810] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=520, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 813 attached [pid 813] set_robust_list(0x55555756f760, 24 [pid 289] <... clone resumed>, child_tidptr=0x55555756f750) = 523 [pid 813] <... set_robust_list resumed>) = 0 [pid 813] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 813] setpgid(0, 0) = 0 [pid 813] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 813] write(3, "1000", 4) = 4 [pid 813] close(3) = 0 executing program [pid 813] write(1, "executing program\n", 18) = 18 [pid 813] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 813] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 813] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 813] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 813] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 813] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 813] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0} => {parent_tid=[524]}, 88) = 524 [pid 813] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 813] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 813] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 813] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf61c000 [pid 813] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 813] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 813] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0}./strace-static-x86_64: Process 815 attached ./strace-static-x86_64: Process 814 attached => {parent_tid=[525]}, 88) = 525 [pid 813] rt_sigprocmask(SIG_SETMASK, [], [pid 815] set_robust_list(0x7f43bf63c9a0, 24 [pid 814] set_robust_list(0x7f43bf65d9a0, 24 [pid 813] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 815] <... set_robust_list resumed>) = 0 [pid 814] <... set_robust_list resumed>) = 0 [pid 813] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 815] rt_sigprocmask(SIG_SETMASK, [], [pid 814] rt_sigprocmask(SIG_SETMASK, [], [pid 813] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 815] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 814] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 815] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 814] memfd_create("syzkaller", 0 [pid 815] <... openat resumed>) = 3 [pid 814] <... memfd_create resumed>) = 4 [pid 815] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 814] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 815] <... futex resumed>) = 1 [pid 813] <... futex resumed>) = 0 [pid 815] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 814] <... mmap resumed>) = 0x7f43b721c000 [pid 815] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 813] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 813] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 815] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0 [pid 814] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 815] <... mmap resumed>) = 0x200000000000 [pid 814] munmap(0x7f43b721c000, 138412032 [pid 815] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 814] <... munmap resumed>) = 0 [pid 814] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 815] <... futex resumed>) = 1 [pid 813] <... futex resumed>) = 0 [pid 813] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 813] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 814] <... openat resumed>) = 5 [pid 815] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 814] ioctl(5, LOOP_SET_FD, 4 [pid 815] mkdirat(AT_FDCWD, 0x200000000280, 0117 [pid 814] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 814] ioctl(5, LOOP_CLR_FD [pid 815] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 814] <... ioctl resumed>) = 0 [pid 815] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 813] <... futex resumed>) = 0 [pid 813] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000 [pid 815] creat(0x200000000040, 000 [pid 813] <... futex resumed>) = 0 [pid 813] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 815] <... creat resumed>) = 6 [pid 815] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 813] <... futex resumed>) = 0 [pid 813] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 813] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 815] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL [pid 814] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy) [pid 814] close(5) = 0 [pid 814] close(4) = 0 [pid 814] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 814] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 815] <... mount resumed>) = 0 [pid 815] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 813] <... futex resumed>) = 0 [pid 813] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 814] <... futex resumed>) = 0 [pid 813] <... futex resumed>) = 1 [pid 814] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c [pid 813] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 814] <... open resumed>) = 4 [pid 814] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 813] <... futex resumed>) = 0 [pid 814] write(4, 0x200000000080, 34136651 [pid 813] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 815] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 813] <... futex resumed>) = 0 [pid 813] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 814] <... write resumed>) = 131072 [pid 814] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 813] <... futex resumed>) = 0 [pid 813] close(3) = 0 [pid 813] close(4) = 0 [pid 813] close(5) = -1 EBADF (Bad file descriptor) [pid 813] close(6) = 0 [pid 813] close(7) = -1 EBADF (Bad file descriptor) [pid 813] close(8) = -1 EBADF (Bad file descriptor) [pid 813] close(9) = -1 EBADF (Bad file descriptor) [pid 813] close(10) = -1 EBADF (Bad file descriptor) [pid 813] close(11) = -1 EBADF (Bad file descriptor) [pid 813] close(12) = -1 EBADF (Bad file descriptor) [pid 813] close(13) = -1 EBADF (Bad file descriptor) [pid 813] close(14) = -1 EBADF (Bad file descriptor) [pid 813] close(15) = -1 EBADF (Bad file descriptor) [pid 813] close(16) = -1 EBADF (Bad file descriptor) [pid 813] close(17) = -1 EBADF (Bad file descriptor) [pid 813] close(18) = -1 EBADF (Bad file descriptor) [pid 813] close(19) = -1 EBADF (Bad file descriptor) [pid 813] close(20) = -1 EBADF (Bad file descriptor) [pid 813] close(21) = -1 EBADF (Bad file descriptor) [pid 813] close(22) = -1 EBADF (Bad file descriptor) [pid 813] close(23) = -1 EBADF (Bad file descriptor) [pid 813] close(24) = -1 EBADF (Bad file descriptor) [pid 813] close(25) = -1 EBADF (Bad file descriptor) [pid 813] close(26) = -1 EBADF (Bad file descriptor) [pid 813] close(27) = -1 EBADF (Bad file descriptor) [pid 813] close(28) = -1 EBADF (Bad file descriptor) [pid 813] close(29) = -1 EBADF (Bad file descriptor) [pid 813] exit_group(0) = ? [pid 815] <... futex resumed>) = ? [pid 815] +++ exited with 0 +++ [pid 814] <... futex resumed>) = ? [pid 814] +++ exited with 0 +++ [pid 813] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=523, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756f750) = 526 ./strace-static-x86_64: Process 816 attached [pid 816] set_robust_list(0x55555756f760, 24) = 0 [pid 816] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 816] setpgid(0, 0) = 0 [pid 816] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 816] write(3, "1000", 4) = 4 [pid 816] close(3) = 0 [pid 816] write(1, "executing program\n", 18executing program ) = 18 [pid 816] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 816] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 816] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 816] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 816] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 816] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 816] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0} => {parent_tid=[527]}, 88) = 527 [pid 816] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 816] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 816] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 816] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf61c000 [pid 816] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 816] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 816] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0} => {parent_tid=[528]}, 88) = 528 ./strace-static-x86_64: Process 818 attached ./strace-static-x86_64: Process 817 attached [pid 816] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 818] set_robust_list(0x7f43bf63c9a0, 24 [pid 817] set_robust_list(0x7f43bf65d9a0, 24 [pid 816] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000 [pid 818] <... set_robust_list resumed>) = 0 [pid 817] <... set_robust_list resumed>) = 0 [pid 816] <... futex resumed>) = 0 [pid 818] rt_sigprocmask(SIG_SETMASK, [], [pid 817] rt_sigprocmask(SIG_SETMASK, [], [pid 818] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 816] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 817] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 818] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 817] memfd_create("syzkaller", 0 [pid 818] <... openat resumed>) = 3 [pid 817] <... memfd_create resumed>) = 4 [pid 818] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 817] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 816] <... futex resumed>) = 0 [pid 818] <... futex resumed>) = 1 [pid 817] <... mmap resumed>) = 0x7f43b721c000 [pid 816] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 816] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 818] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0 [pid 817] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 818] <... mmap resumed>) = 0x200000000000 [pid 817] munmap(0x7f43b721c000, 138412032 [pid 818] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 817] <... munmap resumed>) = 0 [pid 818] <... futex resumed>) = 1 [pid 817] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 816] <... futex resumed>) = 0 [pid 816] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 816] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 817] <... openat resumed>) = 5 [pid 818] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 817] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy) [pid 818] mkdirat(AT_FDCWD, 0x200000000280, 0117 [pid 817] ioctl(5, LOOP_CLR_FD [pid 818] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 817] <... ioctl resumed>) = 0 [pid 818] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 816] <... futex resumed>) = 0 [pid 816] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 816] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 818] creat(0x200000000040, 000) = 6 [pid 818] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 816] <... futex resumed>) = 0 [pid 818] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 816] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 816] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 817] ioctl(5, LOOP_SET_FD, 4 [pid 818] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 817] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 817] close(5) = 0 [pid 817] close(4 [pid 818] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL [pid 817] <... close resumed>) = 0 [pid 817] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 818] <... mount resumed>) = 0 [pid 817] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 818] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 816] <... futex resumed>) = 0 [pid 816] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 817] <... futex resumed>) = 0 [pid 816] <... futex resumed>) = 1 [pid 817] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c [pid 816] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 818] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 817] <... open resumed>) = 4 [pid 817] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 816] <... futex resumed>) = 0 [pid 817] write(4, 0x200000000080, 34136651 [pid 816] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 816] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 817] <... write resumed>) = 131072 [pid 817] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 816] <... futex resumed>) = 0 [pid 816] close(3) = 0 [pid 816] close(4) = 0 [pid 816] close(5) = -1 EBADF (Bad file descriptor) [pid 816] close(6) = 0 [pid 816] close(7) = -1 EBADF (Bad file descriptor) [pid 816] close(8) = -1 EBADF (Bad file descriptor) [pid 816] close(9) = -1 EBADF (Bad file descriptor) [pid 816] close(10) = -1 EBADF (Bad file descriptor) [pid 816] close(11) = -1 EBADF (Bad file descriptor) [pid 816] close(12) = -1 EBADF (Bad file descriptor) [pid 816] close(13) = -1 EBADF (Bad file descriptor) [pid 816] close(14) = -1 EBADF (Bad file descriptor) [pid 816] close(15) = -1 EBADF (Bad file descriptor) [pid 816] close(16) = -1 EBADF (Bad file descriptor) [pid 816] close(17) = -1 EBADF (Bad file descriptor) [pid 816] close(18) = -1 EBADF (Bad file descriptor) [pid 816] close(19) = -1 EBADF (Bad file descriptor) [pid 816] close(20) = -1 EBADF (Bad file descriptor) [pid 816] close(21) = -1 EBADF (Bad file descriptor) [pid 816] close(22) = -1 EBADF (Bad file descriptor) [pid 816] close(23) = -1 EBADF (Bad file descriptor) [pid 816] close(24) = -1 EBADF (Bad file descriptor) [pid 816] close(25) = -1 EBADF (Bad file descriptor) [pid 816] close(26) = -1 EBADF (Bad file descriptor) [pid 816] close(27) = -1 EBADF (Bad file descriptor) [pid 816] close(28) = -1 EBADF (Bad file descriptor) [pid 816] close(29) = -1 EBADF (Bad file descriptor) [pid 816] exit_group(0) = ? [pid 818] <... futex resumed>) = ? [pid 818] +++ exited with 0 +++ [pid 817] <... futex resumed>) = ? [pid 817] +++ exited with 0 +++ [pid 816] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=526, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 819 attached , child_tidptr=0x55555756f750) = 529 [pid 819] set_robust_list(0x55555756f760, 24) = 0 [pid 819] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 819] setpgid(0, 0) = 0 [pid 819] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 819] write(3, "1000", 4) = 4 executing program [pid 819] close(3) = 0 [pid 819] write(1, "executing program\n", 18) = 18 [pid 819] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 819] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 819] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 819] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 819] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 819] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 819] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0}./strace-static-x86_64: Process 820 attached [pid 820] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 820] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 820] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 819] <... clone3 resumed> => {parent_tid=[530]}, 88) = 530 [pid 819] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 819] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 820] <... futex resumed>) = 0 [pid 819] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 820] memfd_create("syzkaller", 0) = 3 [pid 819] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 820] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b723d000 [pid 819] <... mmap resumed>) = 0x7f43b721c000 [pid 819] mprotect(0x7f43b721d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 819] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 819] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43b723c990, parent_tid=0x7f43b723c990, exit_signal=0, stack=0x7f43b721c000, stack_size=0x20240, tls=0x7f43b723c6c0}./strace-static-x86_64: Process 821 attached => {parent_tid=[531]}, 88) = 531 [pid 819] rt_sigprocmask(SIG_SETMASK, [], [pid 821] set_robust_list(0x7f43b723c9a0, 24 [pid 819] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 819] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000 [pid 821] <... set_robust_list resumed>) = 0 [pid 819] <... futex resumed>) = 0 [pid 821] rt_sigprocmask(SIG_SETMASK, [], [pid 819] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 821] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 821] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 820] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 820] munmap(0x7f43b723d000, 138412032) = 0 [pid 820] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 820] ioctl(5, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 820] ioctl(5, LOOP_CLR_FD) = 0 [pid 820] ioctl(5, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 820] close(5) = 0 [pid 820] close(3) = 0 [pid 820] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 820] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 821] <... openat resumed>) = 4 [pid 821] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 819] <... futex resumed>) = 0 [pid 819] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 819] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 820] <... futex resumed>) = 0 [pid 820] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 4, 0 [pid 821] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 820] <... mmap resumed>) = 0x200000000000 [pid 820] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 819] <... futex resumed>) = 0 [pid 819] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 819] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 820] <... futex resumed>) = 1 [pid 820] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 820] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 820] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 819] <... futex resumed>) = 0 [pid 819] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 819] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 820] <... futex resumed>) = 1 [pid 820] creat(0x200000000040, 000) = 3 [pid 820] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 819] <... futex resumed>) = 0 [pid 819] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 819] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 820] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 820] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 819] <... futex resumed>) = 0 [pid 819] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 819] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 820] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 820] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 819] <... futex resumed>) = 0 [pid 819] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 819] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 820] write(5, 0x200000000080, 34136651) = 131072 [pid 820] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 819] <... futex resumed>) = 0 [pid 819] close(3) = 0 [pid 819] close(4) = 0 [pid 819] close(5) = 0 [pid 819] close(6) = -1 EBADF (Bad file descriptor) [pid 819] close(7) = -1 EBADF (Bad file descriptor) [pid 819] close(8) = -1 EBADF (Bad file descriptor) [pid 819] close(9) = -1 EBADF (Bad file descriptor) [pid 819] close(10) = -1 EBADF (Bad file descriptor) [pid 819] close(11) = -1 EBADF (Bad file descriptor) [pid 819] close(12) = -1 EBADF (Bad file descriptor) [pid 819] close(13) = -1 EBADF (Bad file descriptor) [pid 819] close(14) = -1 EBADF (Bad file descriptor) [pid 819] close(15) = -1 EBADF (Bad file descriptor) [pid 819] close(16) = -1 EBADF (Bad file descriptor) [pid 819] close(17) = -1 EBADF (Bad file descriptor) [pid 819] close(18) = -1 EBADF (Bad file descriptor) [pid 819] close(19) = -1 EBADF (Bad file descriptor) [pid 819] close(20) = -1 EBADF (Bad file descriptor) [pid 819] close(21) = -1 EBADF (Bad file descriptor) [pid 819] close(22) = -1 EBADF (Bad file descriptor) [pid 819] close(23) = -1 EBADF (Bad file descriptor) [pid 819] close(24) = -1 EBADF (Bad file descriptor) [pid 819] close(25) = -1 EBADF (Bad file descriptor) [pid 819] close(26) = -1 EBADF (Bad file descriptor) [pid 819] close(27) = -1 EBADF (Bad file descriptor) [pid 819] close(28) = -1 EBADF (Bad file descriptor) [pid 819] close(29) = -1 EBADF (Bad file descriptor) [pid 819] exit_group(0) = ? [pid 821] <... futex resumed>) = ? [pid 821] +++ exited with 0 +++ [pid 820] +++ exited with 0 +++ [pid 819] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=529, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756f750) = 532 ./strace-static-x86_64: Process 822 attached [pid 822] set_robust_list(0x55555756f760, 24) = 0 [pid 822] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 822] setpgid(0, 0) = 0 [pid 822] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program ) = 3 [pid 822] write(3, "1000", 4) = 4 [pid 822] close(3) = 0 [pid 822] write(1, "executing program\n", 18) = 18 [pid 822] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 822] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 822] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 822] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 822] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 822] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 822] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0}./strace-static-x86_64: Process 823 attached => {parent_tid=[533]}, 88) = 533 [pid 823] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 823] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 823] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 822] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 822] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 823] <... futex resumed>) = 0 [pid 823] memfd_create("syzkaller", 0 [pid 822] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 823] <... memfd_create resumed>) = 3 [pid 822] <... futex resumed>) = 0 [pid 823] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b723d000 [pid 822] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43b721c000 [pid 822] mprotect(0x7f43b721d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 822] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 822] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43b723c990, parent_tid=0x7f43b723c990, exit_signal=0, stack=0x7f43b721c000, stack_size=0x20240, tls=0x7f43b723c6c0}./strace-static-x86_64: Process 824 attached => {parent_tid=[534]}, 88) = 534 [pid 824] set_robust_list(0x7f43b723c9a0, 24 [pid 822] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 824] <... set_robust_list resumed>) = 0 [pid 822] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000 [pid 823] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 824] rt_sigprocmask(SIG_SETMASK, [], [pid 822] <... futex resumed>) = 0 [pid 822] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 824] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 824] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 823] <... write resumed>) = 131072 [pid 823] munmap(0x7f43b723d000, 138412032) = 0 [pid 823] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 823] ioctl(5, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 823] ioctl(5, LOOP_CLR_FD) = 0 [pid 823] ioctl(5, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 823] close(5) = 0 [pid 823] close(3) = 0 [pid 823] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 823] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 824] <... openat resumed>) = 4 [pid 824] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 822] <... futex resumed>) = 0 [pid 822] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 822] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 824] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 823] <... futex resumed>) = 0 [pid 823] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 4, 0) = 0x200000000000 [pid 823] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 822] <... futex resumed>) = 0 [pid 822] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 822] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 823] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 823] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 823] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 822] <... futex resumed>) = 0 [pid 822] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 822] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 823] creat(0x200000000040, 000) = 3 [pid 823] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 822] <... futex resumed>) = 0 [pid 822] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 822] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 823] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 823] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 822] <... futex resumed>) = 0 [pid 822] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 822] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 823] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 823] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 822] <... futex resumed>) = 0 [pid 822] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 822] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 823] write(5, 0x200000000080, 34136651) = 131072 [pid 823] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 822] <... futex resumed>) = 0 [pid 822] close(3) = 0 [pid 822] close(4) = 0 [pid 822] close(5) = 0 [pid 822] close(6) = -1 EBADF (Bad file descriptor) [pid 822] close(7) = -1 EBADF (Bad file descriptor) [pid 822] close(8) = -1 EBADF (Bad file descriptor) [pid 822] close(9) = -1 EBADF (Bad file descriptor) [pid 822] close(10) = -1 EBADF (Bad file descriptor) [pid 822] close(11) = -1 EBADF (Bad file descriptor) [pid 822] close(12) = -1 EBADF (Bad file descriptor) [pid 822] close(13) = -1 EBADF (Bad file descriptor) [pid 822] close(14) = -1 EBADF (Bad file descriptor) [pid 822] close(15) = -1 EBADF (Bad file descriptor) [pid 822] close(16) = -1 EBADF (Bad file descriptor) [pid 822] close(17) = -1 EBADF (Bad file descriptor) [pid 822] close(18) = -1 EBADF (Bad file descriptor) [pid 822] close(19) = -1 EBADF (Bad file descriptor) [pid 822] close(20) = -1 EBADF (Bad file descriptor) [pid 822] close(21) = -1 EBADF (Bad file descriptor) [pid 822] close(22) = -1 EBADF (Bad file descriptor) [pid 822] close(23) = -1 EBADF (Bad file descriptor) [pid 822] close(24) = -1 EBADF (Bad file descriptor) [pid 822] close(25) = -1 EBADF (Bad file descriptor) [pid 822] close(26) = -1 EBADF (Bad file descriptor) [pid 822] close(27) = -1 EBADF (Bad file descriptor) [pid 822] close(28) = -1 EBADF (Bad file descriptor) [pid 822] close(29) = -1 EBADF (Bad file descriptor) [pid 822] exit_group(0) = ? [pid 824] <... futex resumed>) = ? [pid 823] +++ exited with 0 +++ [pid 824] +++ exited with 0 +++ [pid 822] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=532, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 825 attached , child_tidptr=0x55555756f750) = 535 [pid 825] set_robust_list(0x55555756f760, 24) = 0 [pid 825] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 825] setpgid(0, 0) = 0 [pid 825] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 825] write(3, "1000", 4) = 4 [pid 825] close(3) = 0 [pid 825] write(1, "executing program\n", 18executing program ) = 18 [pid 825] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 825] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 825] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 825] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 825] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 825] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 825] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0}./strace-static-x86_64: Process 826 attached => {parent_tid=[536]}, 88) = 536 [pid 826] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 826] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 826] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 825] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 825] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 826] <... futex resumed>) = 0 [pid 825] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 826] memfd_create("syzkaller", 0 [pid 825] <... futex resumed>) = 0 [pid 826] <... memfd_create resumed>) = 3 [pid 826] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b723d000 [pid 825] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43b721c000 [pid 825] mprotect(0x7f43b721d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 825] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 825] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43b723c990, parent_tid=0x7f43b723c990, exit_signal=0, stack=0x7f43b721c000, stack_size=0x20240, tls=0x7f43b723c6c0}./strace-static-x86_64: Process 827 attached [pid 827] set_robust_list(0x7f43b723c9a0, 24 [pid 825] <... clone3 resumed> => {parent_tid=[537]}, 88) = 537 [pid 826] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 827] <... set_robust_list resumed>) = 0 [pid 825] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 827] rt_sigprocmask(SIG_SETMASK, [], [pid 825] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000 [pid 827] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 825] <... futex resumed>) = 0 [pid 825] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 826] <... write resumed>) = 131072 [pid 826] munmap(0x7f43b723d000, 138412032 [pid 827] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 826] <... munmap resumed>) = 0 [pid 826] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 826] ioctl(5, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 826] ioctl(5, LOOP_CLR_FD) = 0 [pid 826] ioctl(5, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 826] close(5) = 0 [pid 826] close(3) = 0 [pid 826] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 826] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 827] <... openat resumed>) = 4 [pid 827] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 825] <... futex resumed>) = 0 [pid 825] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 825] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 826] <... futex resumed>) = 0 [pid 826] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 4, 0 [pid 827] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 826] <... mmap resumed>) = 0x200000000000 [pid 826] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 825] <... futex resumed>) = 0 [pid 825] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 825] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 826] <... futex resumed>) = 1 [pid 826] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 826] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 826] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 825] <... futex resumed>) = 0 [pid 825] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 825] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 826] <... futex resumed>) = 1 [pid 826] creat(0x200000000040, 000) = 3 [pid 826] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 825] <... futex resumed>) = 0 [pid 825] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 825] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 826] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 826] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 825] <... futex resumed>) = 0 [pid 825] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 825] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 826] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 826] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 825] <... futex resumed>) = 0 [pid 825] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 825] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 826] write(5, 0x200000000080, 34136651) = 131072 [pid 826] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 825] <... futex resumed>) = 0 [pid 825] close(3) = 0 [pid 825] close(4) = 0 [pid 825] close(5) = 0 [pid 825] close(6) = -1 EBADF (Bad file descriptor) [pid 825] close(7) = -1 EBADF (Bad file descriptor) [pid 825] close(8) = -1 EBADF (Bad file descriptor) [pid 825] close(9) = -1 EBADF (Bad file descriptor) [pid 825] close(10) = -1 EBADF (Bad file descriptor) [pid 825] close(11) = -1 EBADF (Bad file descriptor) [pid 825] close(12) = -1 EBADF (Bad file descriptor) [pid 825] close(13) = -1 EBADF (Bad file descriptor) [pid 825] close(14) = -1 EBADF (Bad file descriptor) [pid 825] close(15) = -1 EBADF (Bad file descriptor) [pid 825] close(16) = -1 EBADF (Bad file descriptor) [pid 825] close(17) = -1 EBADF (Bad file descriptor) [pid 825] close(18) = -1 EBADF (Bad file descriptor) [pid 825] close(19) = -1 EBADF (Bad file descriptor) [pid 825] close(20) = -1 EBADF (Bad file descriptor) [pid 825] close(21) = -1 EBADF (Bad file descriptor) [pid 825] close(22) = -1 EBADF (Bad file descriptor) [pid 825] close(23) = -1 EBADF (Bad file descriptor) [pid 825] close(24) = -1 EBADF (Bad file descriptor) [pid 825] close(25) = -1 EBADF (Bad file descriptor) [pid 825] close(26) = -1 EBADF (Bad file descriptor) [pid 825] close(27) = -1 EBADF (Bad file descriptor) [pid 825] close(28) = -1 EBADF (Bad file descriptor) [pid 825] close(29) = -1 EBADF (Bad file descriptor) [pid 825] exit_group(0) = ? [pid 827] <... futex resumed>) = ? [pid 827] +++ exited with 0 +++ [pid 826] +++ exited with 0 +++ [pid 825] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=535, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 828 attached , child_tidptr=0x55555756f750) = 538 [pid 828] set_robust_list(0x55555756f760, 24) = 0 [pid 828] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 828] setpgid(0, 0) = 0 [pid 828] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 828] write(3, "1000", 4) = 4 [pid 828] close(3) = 0 [pid 828] write(1, "executing program\n", 18executing program ) = 18 [pid 828] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 828] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 828] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 828] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 828] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 828] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 828] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0}./strace-static-x86_64: Process 829 attached => {parent_tid=[539]}, 88) = 539 [pid 829] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 829] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 829] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 828] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 828] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 829] <... futex resumed>) = 0 [pid 829] memfd_create("syzkaller", 0) = 3 [pid 829] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b723d000 [pid 828] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 828] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43b721c000 [pid 828] mprotect(0x7f43b721d000, 131072, PROT_READ|PROT_WRITE [pid 829] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 828] <... mprotect resumed>) = 0 [pid 828] rt_sigprocmask(SIG_BLOCK, ~[], [pid 829] <... write resumed>) = 131072 [pid 829] munmap(0x7f43b723d000, 138412032 [pid 828] <... rt_sigprocmask resumed>[], 8) = 0 [pid 829] <... munmap resumed>) = 0 [pid 828] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43b723c990, parent_tid=0x7f43b723c990, exit_signal=0, stack=0x7f43b721c000, stack_size=0x20240, tls=0x7f43b723c6c0} [pid 829] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 829] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 829] ioctl(4, LOOP_CLR_FD) = 0 ./strace-static-x86_64: Process 830 attached [pid 828] <... clone3 resumed> => {parent_tid=[540]}, 88) = 540 [pid 830] set_robust_list(0x7f43b723c9a0, 24) = 0 [pid 830] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 830] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 828] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 828] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000 [pid 829] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 829] close(4) = 0 [pid 828] <... futex resumed>) = 1 [pid 829] close(3 [pid 830] <... futex resumed>) = 0 [pid 830] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 829] <... close resumed>) = 0 [pid 828] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 829] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 829] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 830] <... openat resumed>) = 3 [pid 830] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 828] <... futex resumed>) = 0 [pid 828] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 829] <... futex resumed>) = 0 [pid 829] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0 [pid 830] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 829] <... mmap resumed>) = 0x200000000000 [pid 829] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 829] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 828] <... futex resumed>) = 1 [pid 828] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 828] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 829] <... futex resumed>) = 0 [pid 829] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 828] <... futex resumed>) = 1 [pid 829] mkdirat(AT_FDCWD, 0x200000000280, 0117 [pid 828] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 829] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 829] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 828] <... futex resumed>) = 0 [pid 829] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 828] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 829] <... futex resumed>) = 0 [pid 828] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 829] creat(0x200000000040, 000) = 4 [pid 829] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 829] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 828] <... futex resumed>) = 0 [pid 828] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 828] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 829] <... futex resumed>) = 0 [pid 829] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 829] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 829] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 828] <... futex resumed>) = 0 [pid 828] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 829] <... futex resumed>) = 0 [pid 829] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c [pid 828] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 829] <... open resumed>) = 5 [pid 829] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 829] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 828] <... futex resumed>) = 0 [pid 828] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 829] <... futex resumed>) = 0 [pid 828] <... futex resumed>) = 1 [pid 828] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 829] write(5, 0x200000000080, 34136651) = 131072 [pid 829] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 828] <... futex resumed>) = 0 [pid 829] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 828] close(3) = 0 [pid 828] close(4) = 0 [pid 828] close(5) = 0 [pid 828] close(6) = -1 EBADF (Bad file descriptor) [pid 828] close(7) = -1 EBADF (Bad file descriptor) [pid 828] close(8) = -1 EBADF (Bad file descriptor) [pid 828] close(9) = -1 EBADF (Bad file descriptor) [pid 828] close(10) = -1 EBADF (Bad file descriptor) [pid 828] close(11) = -1 EBADF (Bad file descriptor) [pid 828] close(12) = -1 EBADF (Bad file descriptor) [pid 828] close(13) = -1 EBADF (Bad file descriptor) [pid 828] close(14) = -1 EBADF (Bad file descriptor) [pid 828] close(15) = -1 EBADF (Bad file descriptor) [pid 828] close(16) = -1 EBADF (Bad file descriptor) [pid 828] close(17) = -1 EBADF (Bad file descriptor) [pid 828] close(18) = -1 EBADF (Bad file descriptor) [pid 828] close(19) = -1 EBADF (Bad file descriptor) [pid 828] close(20) = -1 EBADF (Bad file descriptor) [pid 828] close(21) = -1 EBADF (Bad file descriptor) [pid 828] close(22) = -1 EBADF (Bad file descriptor) [pid 828] close(23) = -1 EBADF (Bad file descriptor) [pid 828] close(24) = -1 EBADF (Bad file descriptor) [pid 828] close(25) = -1 EBADF (Bad file descriptor) [pid 828] close(26) = -1 EBADF (Bad file descriptor) [pid 828] close(27) = -1 EBADF (Bad file descriptor) [pid 828] close(28) = -1 EBADF (Bad file descriptor) [pid 828] close(29) = -1 EBADF (Bad file descriptor) [pid 828] exit_group(0 [pid 829] <... futex resumed>) = ? [pid 828] <... exit_group resumed>) = ? [pid 829] +++ exited with 0 +++ [pid 830] <... futex resumed>) = ? [pid 830] +++ exited with 0 +++ [pid 828] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=538, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 831 attached [pid 831] set_robust_list(0x55555756f760, 24 [pid 289] <... clone resumed>, child_tidptr=0x55555756f750) = 541 [pid 831] <... set_robust_list resumed>) = 0 [pid 831] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 831] setpgid(0, 0) = 0 [pid 831] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 831] write(3, "1000", 4) = 4 [pid 831] close(3) = 0 executing program [pid 831] write(1, "executing program\n", 18) = 18 [pid 831] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 831] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 831] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 831] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 831] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 831] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 831] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0} => {parent_tid=[542]}, 88) = 542 [pid 831] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 831] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 831] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 831] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf61c000 [pid 831] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 831] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 831] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0} => {parent_tid=[543]}, 88) = 543 [pid 831] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 831] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 831] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 833 attached [pid 833] set_robust_list(0x7f43bf63c9a0, 24) = 0 [pid 833] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 833] openat(AT_FDCWD, "/selinux/policy", O_RDONLY./strace-static-x86_64: Process 832 attached ) = 3 [pid 833] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 831] <... futex resumed>) = 0 [pid 832] set_robust_list(0x7f43bf65d9a0, 24 [pid 831] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000 [pid 832] <... set_robust_list resumed>) = 0 [pid 831] <... futex resumed>) = 0 [pid 833] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0 [pid 832] rt_sigprocmask(SIG_SETMASK, [], [pid 831] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 832] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 833] <... mmap resumed>) = 0x200000000000 [pid 832] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000005c0} --- [pid 833] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 831] <... futex resumed>) = 0 [pid 831] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 832] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000240} --- [pid 831] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 833] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 832] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000002180} --- [pid 833] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 833] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 831] <... futex resumed>) = 0 [pid 832] memfd_create("syzkaller", 0 [pid 831] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 831] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 832] <... memfd_create resumed>) = 4 [pid 833] creat(0x200000000040, 000 [pid 832] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 833] <... creat resumed>) = 5 [pid 832] <... mmap resumed>) = 0x7f43b721c000 [pid 833] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 831] <... futex resumed>) = 0 [pid 832] munmap(0x7f43b721c000, 138412032 [pid 831] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000 [pid 833] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL [pid 831] <... futex resumed>) = 0 [pid 832] <... munmap resumed>) = 0 [pid 831] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 832] close(4 [pid 833] <... mount resumed>) = 0 [pid 833] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 831] <... futex resumed>) = 0 [pid 833] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c [pid 832] <... close resumed>) = 0 [pid 831] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 832] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 831] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 832] <... futex resumed>) = 0 [pid 833] <... open resumed>) = 4 [pid 833] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 831] <... futex resumed>) = 0 [pid 832] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 831] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 833] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 832] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 831] <... futex resumed>) = 0 [pid 832] write(4, 0x200000000080, 34136651 [pid 831] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 832] <... write resumed>) = 131072 [pid 832] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 831] <... futex resumed>) = 0 [pid 831] close(3) = 0 [pid 831] close(4) = 0 [pid 831] close(5) = 0 [pid 831] close(6) = -1 EBADF (Bad file descriptor) [pid 831] close(7) = -1 EBADF (Bad file descriptor) [pid 831] close(8) = -1 EBADF (Bad file descriptor) [pid 831] close(9) = -1 EBADF (Bad file descriptor) [pid 831] close(10) = -1 EBADF (Bad file descriptor) [pid 831] close(11) = -1 EBADF (Bad file descriptor) [pid 831] close(12) = -1 EBADF (Bad file descriptor) [pid 831] close(13) = -1 EBADF (Bad file descriptor) [pid 831] close(14) = -1 EBADF (Bad file descriptor) [pid 831] close(15) = -1 EBADF (Bad file descriptor) [pid 831] close(16) = -1 EBADF (Bad file descriptor) [pid 831] close(17) = -1 EBADF (Bad file descriptor) [pid 831] close(18) = -1 EBADF (Bad file descriptor) [pid 831] close(19) = -1 EBADF (Bad file descriptor) [pid 831] close(20) = -1 EBADF (Bad file descriptor) [pid 831] close(21) = -1 EBADF (Bad file descriptor) [pid 831] close(22) = -1 EBADF (Bad file descriptor) [pid 831] close(23) = -1 EBADF (Bad file descriptor) [pid 831] close(24) = -1 EBADF (Bad file descriptor) [pid 831] close(25) = -1 EBADF (Bad file descriptor) [pid 831] close(26) = -1 EBADF (Bad file descriptor) [pid 831] close(27) = -1 EBADF (Bad file descriptor) [pid 831] close(28) = -1 EBADF (Bad file descriptor) [pid 831] close(29) = -1 EBADF (Bad file descriptor) [pid 831] exit_group(0 [pid 833] <... futex resumed>) = ? [pid 831] <... exit_group resumed>) = ? [pid 833] +++ exited with 0 +++ [pid 832] +++ exited with 0 +++ [pid 831] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=541, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756f750) = 544 ./strace-static-x86_64: Process 834 attached [pid 834] set_robust_list(0x55555756f760, 24) = 0 [pid 834] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 834] setpgid(0, 0) = 0 [pid 834] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 834] write(3, "1000", 4) = 4 [pid 834] close(3) = 0 [pid 834] write(1, "executing program\n", 18executing program ) = 18 [pid 834] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 834] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 834] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 834] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 834] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 834] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 834] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0}./strace-static-x86_64: Process 835 attached => {parent_tid=[545]}, 88) = 545 [pid 835] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 835] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 835] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 834] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 834] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 835] <... futex resumed>) = 0 [pid 835] memfd_create("syzkaller", 0 [pid 834] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 835] <... memfd_create resumed>) = 3 [pid 834] <... futex resumed>) = 0 [pid 835] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 834] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 835] <... mmap resumed>) = 0x7f43b721c000 [pid 834] <... mmap resumed>) = 0x7f43bf61c000 [pid 834] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 834] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 834] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0}./strace-static-x86_64: Process 836 attached [pid 836] set_robust_list(0x7f43bf63c9a0, 24) = 0 [pid 836] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 836] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 834] <... clone3 resumed> => {parent_tid=[546]}, 88) = 546 [pid 834] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 835] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 834] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 836] <... futex resumed>) = 0 [pid 836] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 834] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 835] <... write resumed>) = 131072 [pid 835] munmap(0x7f43b721c000, 138412032) = 0 [pid 835] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 835] ioctl(5, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 835] ioctl(5, LOOP_CLR_FD) = 0 [pid 835] ioctl(5, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 835] close(5) = 0 [pid 835] close(3) = 0 [pid 835] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 835] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 836] <... openat resumed>) = 4 [pid 836] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 834] <... futex resumed>) = 0 [pid 834] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 834] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 835] <... futex resumed>) = 0 [pid 835] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 4, 0) = 0x200000000000 [pid 835] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 834] <... futex resumed>) = 0 [pid 834] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 834] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 835] <... futex resumed>) = 1 [pid 835] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 835] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 835] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 834] <... futex resumed>) = 0 [pid 834] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 834] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 835] <... futex resumed>) = 1 [pid 835] creat(0x200000000040, 000 [pid 836] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 835] <... creat resumed>) = 3 [pid 835] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 834] <... futex resumed>) = 0 [pid 834] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 834] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 835] <... futex resumed>) = 1 [pid 835] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 835] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 834] <... futex resumed>) = 0 [pid 834] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 834] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 835] <... futex resumed>) = 1 [pid 835] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 835] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 834] <... futex resumed>) = 0 [pid 834] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 834] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 835] <... futex resumed>) = 1 [pid 835] write(5, 0x200000000080, 34136651) = 131072 [pid 835] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 834] <... futex resumed>) = 0 [pid 834] close(3) = 0 [pid 834] close(4) = 0 [pid 834] close(5) = 0 [pid 834] close(6) = -1 EBADF (Bad file descriptor) [pid 834] close(7) = -1 EBADF (Bad file descriptor) [pid 834] close(8) = -1 EBADF (Bad file descriptor) [pid 835] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 834] close(9) = -1 EBADF (Bad file descriptor) [pid 834] close(10) = -1 EBADF (Bad file descriptor) [pid 834] close(11) = -1 EBADF (Bad file descriptor) [pid 834] close(12) = -1 EBADF (Bad file descriptor) [pid 834] close(13) = -1 EBADF (Bad file descriptor) [pid 834] close(14) = -1 EBADF (Bad file descriptor) [pid 834] close(15) = -1 EBADF (Bad file descriptor) [pid 834] close(16) = -1 EBADF (Bad file descriptor) [pid 834] close(17) = -1 EBADF (Bad file descriptor) [pid 834] close(18) = -1 EBADF (Bad file descriptor) [pid 834] close(19) = -1 EBADF (Bad file descriptor) [pid 834] close(20) = -1 EBADF (Bad file descriptor) [pid 834] close(21) = -1 EBADF (Bad file descriptor) [pid 834] close(22) = -1 EBADF (Bad file descriptor) [pid 834] close(23) = -1 EBADF (Bad file descriptor) [pid 834] close(24) = -1 EBADF (Bad file descriptor) [pid 834] close(25) = -1 EBADF (Bad file descriptor) [pid 834] close(26) = -1 EBADF (Bad file descriptor) [pid 834] close(27) = -1 EBADF (Bad file descriptor) [pid 834] close(28) = -1 EBADF (Bad file descriptor) [pid 834] close(29) = -1 EBADF (Bad file descriptor) [pid 834] exit_group(0) = ? [pid 835] <... futex resumed>) = ? [pid 835] +++ exited with 0 +++ [pid 836] <... futex resumed>) = ? [pid 836] +++ exited with 0 +++ [pid 834] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=544, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756f750) = 547 ./strace-static-x86_64: Process 837 attached [pid 837] set_robust_list(0x55555756f760, 24) = 0 [pid 837] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 837] setpgid(0, 0) = 0 [pid 837] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 837] write(3, "1000", 4) = 4 [pid 837] close(3) = 0 [pid 837] write(1, "executing program\n", 18executing program ) = 18 [pid 837] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 837] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 837] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 837] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 837] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 837] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 837] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0}./strace-static-x86_64: Process 838 attached [pid 838] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 838] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 838] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 837] <... clone3 resumed> => {parent_tid=[548]}, 88) = 548 [pid 837] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 837] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 838] <... futex resumed>) = 0 [pid 838] memfd_create("syzkaller", 0 [pid 837] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 838] <... memfd_create resumed>) = 3 [pid 837] <... futex resumed>) = 0 [pid 838] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b723d000 [pid 837] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43b721c000 [pid 837] mprotect(0x7f43b721d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 837] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 837] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43b723c990, parent_tid=0x7f43b723c990, exit_signal=0, stack=0x7f43b721c000, stack_size=0x20240, tls=0x7f43b723c6c0} [pid 838] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072./strace-static-x86_64: Process 839 attached [pid 837] <... clone3 resumed> => {parent_tid=[549]}, 88) = 549 [pid 837] rt_sigprocmask(SIG_SETMASK, [], [pid 839] set_robust_list(0x7f43b723c9a0, 24 [pid 838] <... write resumed>) = 131072 [pid 839] <... set_robust_list resumed>) = 0 [pid 837] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 838] munmap(0x7f43b723d000, 138412032 [pid 837] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 837] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 839] rt_sigprocmask(SIG_SETMASK, [], [pid 838] <... munmap resumed>) = 0 [pid 838] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 838] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 838] ioctl(4, LOOP_CLR_FD) = 0 [pid 839] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 839] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 838] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 838] close(4) = 0 [pid 838] close(3) = 0 [pid 838] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 838] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 839] <... openat resumed>) = 5 [pid 839] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 837] <... futex resumed>) = 0 [pid 837] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 837] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 838] <... futex resumed>) = 0 [pid 838] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 5, 0) = 0x200000000000 [pid 839] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 838] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 837] <... futex resumed>) = 0 [pid 837] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 837] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 838] <... futex resumed>) = 1 [pid 838] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 838] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 838] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 837] <... futex resumed>) = 0 [pid 837] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 837] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 838] <... futex resumed>) = 1 [pid 838] creat(0x200000000040, 000) = 3 [pid 838] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 837] <... futex resumed>) = 0 [pid 837] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 837] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 838] <... futex resumed>) = 1 [pid 838] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 838] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 837] <... futex resumed>) = 0 [pid 837] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 837] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 838] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 4 [pid 838] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 837] <... futex resumed>) = 0 [pid 837] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 838] write(4, 0x200000000080, 34136651 [pid 837] <... futex resumed>) = 0 [pid 837] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 838] <... write resumed>) = 131072 [pid 838] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 837] <... futex resumed>) = 0 [pid 837] close(3) = 0 [pid 837] close(4) = 0 [pid 837] close(5) = 0 [pid 837] close(6) = -1 EBADF (Bad file descriptor) [pid 837] close(7) = -1 EBADF (Bad file descriptor) [pid 837] close(8) = -1 EBADF (Bad file descriptor) [pid 837] close(9) = -1 EBADF (Bad file descriptor) [pid 837] close(10) = -1 EBADF (Bad file descriptor) [pid 837] close(11) = -1 EBADF (Bad file descriptor) [pid 837] close(12) = -1 EBADF (Bad file descriptor) [pid 837] close(13) = -1 EBADF (Bad file descriptor) [pid 838] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 837] close(14) = -1 EBADF (Bad file descriptor) [pid 837] close(15) = -1 EBADF (Bad file descriptor) [pid 837] close(16) = -1 EBADF (Bad file descriptor) [pid 837] close(17) = -1 EBADF (Bad file descriptor) [pid 837] close(18) = -1 EBADF (Bad file descriptor) [pid 837] close(19) = -1 EBADF (Bad file descriptor) [pid 837] close(20) = -1 EBADF (Bad file descriptor) [pid 837] close(21) = -1 EBADF (Bad file descriptor) [pid 837] close(22) = -1 EBADF (Bad file descriptor) [pid 837] close(23) = -1 EBADF (Bad file descriptor) [pid 837] close(24) = -1 EBADF (Bad file descriptor) [pid 837] close(25) = -1 EBADF (Bad file descriptor) [pid 837] close(26) = -1 EBADF (Bad file descriptor) [pid 837] close(27) = -1 EBADF (Bad file descriptor) [pid 837] close(28) = -1 EBADF (Bad file descriptor) [pid 837] close(29) = -1 EBADF (Bad file descriptor) [pid 837] exit_group(0) = ? [pid 839] <... futex resumed>) = ? [pid 838] <... futex resumed>) = ? [pid 839] +++ exited with 0 +++ [pid 838] +++ exited with 0 +++ [pid 837] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=547, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756f750) = 550 ./strace-static-x86_64: Process 840 attached [pid 840] set_robust_list(0x55555756f760, 24) = 0 [pid 840] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 840] setpgid(0, 0) = 0 [pid 840] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 840] write(3, "1000", 4) = 4 [pid 840] close(3) = 0 [pid 840] write(1, "executing program\n", 18executing program ) = 18 [pid 840] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 840] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 840] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 840] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 840] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 840] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 840] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0}./strace-static-x86_64: Process 841 attached [pid 841] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 841] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 841] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 840] <... clone3 resumed> => {parent_tid=[551]}, 88) = 551 [pid 840] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 840] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 841] <... futex resumed>) = 0 [pid 841] memfd_create("syzkaller", 0) = 3 [pid 841] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b723d000 [pid 840] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 840] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43b721c000 [pid 840] mprotect(0x7f43b721d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 840] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 840] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43b723c990, parent_tid=0x7f43b723c990, exit_signal=0, stack=0x7f43b721c000, stack_size=0x20240, tls=0x7f43b723c6c0} [pid 841] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072./strace-static-x86_64: Process 842 attached [pid 840] <... clone3 resumed> => {parent_tid=[552]}, 88) = 552 [pid 840] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 840] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 840] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 842] set_robust_list(0x7f43b723c9a0, 24 [pid 841] <... write resumed>) = 131072 [pid 841] munmap(0x7f43b723d000, 138412032 [pid 842] <... set_robust_list resumed>) = 0 [pid 841] <... munmap resumed>) = 0 [pid 841] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 842] rt_sigprocmask(SIG_SETMASK, [], [pid 841] <... openat resumed>) = 4 [pid 841] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 841] ioctl(4, LOOP_CLR_FD) = 0 [pid 842] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 842] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 841] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 841] close(4) = 0 [pid 841] close(3) = 0 [pid 841] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 841] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 842] <... openat resumed>) = 5 [pid 842] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 840] <... futex resumed>) = 0 [pid 840] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 840] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 842] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 841] <... futex resumed>) = 0 [pid 841] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 5, 0) = 0x200000000000 [pid 841] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 840] <... futex resumed>) = 0 [pid 840] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 840] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 841] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 841] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 841] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 840] <... futex resumed>) = 0 [pid 840] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 840] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 841] creat(0x200000000040, 000) = 3 [pid 841] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 840] <... futex resumed>) = 0 [pid 840] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 840] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 841] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 841] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 840] <... futex resumed>) = 0 [pid 840] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 840] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 841] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 4 [pid 841] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 840] <... futex resumed>) = 0 [pid 840] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 840] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 841] write(4, 0x200000000080, 34136651) = 131072 [pid 841] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 840] <... futex resumed>) = 0 [pid 840] close(3) = 0 [pid 840] close(4) = 0 [pid 840] close(5) = 0 [pid 841] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 840] close(6) = -1 EBADF (Bad file descriptor) [pid 840] close(7) = -1 EBADF (Bad file descriptor) [pid 840] close(8) = -1 EBADF (Bad file descriptor) [pid 840] close(9) = -1 EBADF (Bad file descriptor) [pid 840] close(10) = -1 EBADF (Bad file descriptor) [pid 840] close(11) = -1 EBADF (Bad file descriptor) [pid 840] close(12) = -1 EBADF (Bad file descriptor) [pid 840] close(13) = -1 EBADF (Bad file descriptor) [pid 840] close(14) = -1 EBADF (Bad file descriptor) [pid 840] close(15) = -1 EBADF (Bad file descriptor) [pid 840] close(16) = -1 EBADF (Bad file descriptor) [pid 840] close(17) = -1 EBADF (Bad file descriptor) [pid 840] close(18) = -1 EBADF (Bad file descriptor) [pid 840] close(19) = -1 EBADF (Bad file descriptor) [pid 840] close(20) = -1 EBADF (Bad file descriptor) [pid 840] close(21) = -1 EBADF (Bad file descriptor) [pid 840] close(22) = -1 EBADF (Bad file descriptor) [pid 840] close(23) = -1 EBADF (Bad file descriptor) [pid 840] close(24) = -1 EBADF (Bad file descriptor) [pid 840] close(25) = -1 EBADF (Bad file descriptor) [pid 840] close(26) = -1 EBADF (Bad file descriptor) [pid 840] close(27) = -1 EBADF (Bad file descriptor) [pid 840] close(28) = -1 EBADF (Bad file descriptor) [pid 840] close(29) = -1 EBADF (Bad file descriptor) [pid 840] exit_group(0) = ? [pid 842] <... futex resumed>) = ? [pid 841] <... futex resumed>) = ? [pid 842] +++ exited with 0 +++ [pid 841] +++ exited with 0 +++ [pid 840] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=550, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756f750) = 553 ./strace-static-x86_64: Process 843 attached [pid 843] set_robust_list(0x55555756f760, 24) = 0 [pid 843] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 843] setpgid(0, 0) = 0 [pid 843] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 843] write(3, "1000", 4) = 4 [pid 843] close(3) = 0 [pid 843] write(1, "executing program\n", 18executing program ) = 18 [pid 843] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 843] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 843] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 843] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 843] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 843] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 843] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0}./strace-static-x86_64: Process 844 attached => {parent_tid=[554]}, 88) = 554 [pid 844] set_robust_list(0x7f43bf65d9a0, 24 [pid 843] rt_sigprocmask(SIG_SETMASK, [], [pid 844] <... set_robust_list resumed>) = 0 [pid 843] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 843] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 844] rt_sigprocmask(SIG_SETMASK, [], [pid 843] <... futex resumed>) = 0 [pid 844] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 843] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 843] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf61c000 [pid 843] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE [pid 844] memfd_create("syzkaller", 0 [pid 843] <... mprotect resumed>) = 0 [pid 843] rt_sigprocmask(SIG_BLOCK, ~[], [pid 844] <... memfd_create resumed>) = 3 [pid 844] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 843] <... rt_sigprocmask resumed>[], 8) = 0 [pid 843] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0} [pid 844] <... mmap resumed>) = 0x7f43b721c000 [pid 843] <... clone3 resumed> => {parent_tid=[555]}, 88) = 555 [pid 843] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 843] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 843] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 845 attached [pid 844] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 845] set_robust_list(0x7f43bf63c9a0, 24 [pid 844] <... write resumed>) = 131072 [pid 845] <... set_robust_list resumed>) = 0 [pid 844] munmap(0x7f43b721c000, 138412032 [pid 845] rt_sigprocmask(SIG_SETMASK, [], [pid 844] <... munmap resumed>) = 0 [pid 845] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 844] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 845] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 844] <... openat resumed>) = 4 [pid 844] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 844] ioctl(4, LOOP_CLR_FD) = 0 [pid 844] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 844] close(4) = 0 [pid 844] close(3) = 0 [pid 844] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 844] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 845] <... openat resumed>) = 5 [pid 845] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 843] <... futex resumed>) = 0 [pid 843] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 843] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 844] <... futex resumed>) = 0 [pid 844] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 5, 0 [pid 845] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 844] <... mmap resumed>) = 0x200000000000 [pid 844] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 843] <... futex resumed>) = 0 [pid 843] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 843] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 844] <... futex resumed>) = 1 [pid 844] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 844] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 844] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 843] <... futex resumed>) = 0 [pid 843] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 843] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 844] <... futex resumed>) = 1 [pid 844] creat(0x200000000040, 000) = 3 [pid 844] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 843] <... futex resumed>) = 0 [pid 843] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 843] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 844] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 844] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 843] <... futex resumed>) = 0 [pid 843] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 843] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 844] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 4 [pid 844] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 843] <... futex resumed>) = 0 [pid 843] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 843] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 844] write(4, 0x200000000080, 34136651) = 131072 [pid 844] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 843] <... futex resumed>) = 0 [pid 843] close(3) = 0 [pid 843] close(4) = 0 [pid 843] close(5) = 0 [pid 843] close(6) = -1 EBADF (Bad file descriptor) [pid 843] close(7) = -1 EBADF (Bad file descriptor) [pid 843] close(8) = -1 EBADF (Bad file descriptor) [pid 843] close(9) = -1 EBADF (Bad file descriptor) [pid 843] close(10) = -1 EBADF (Bad file descriptor) [pid 843] close(11) = -1 EBADF (Bad file descriptor) [pid 843] close(12) = -1 EBADF (Bad file descriptor) [pid 843] close(13) = -1 EBADF (Bad file descriptor) [pid 843] close(14) = -1 EBADF (Bad file descriptor) [pid 843] close(15) = -1 EBADF (Bad file descriptor) [pid 843] close(16) = -1 EBADF (Bad file descriptor) [pid 843] close(17) = -1 EBADF (Bad file descriptor) [pid 843] close(18) = -1 EBADF (Bad file descriptor) [pid 843] close(19) = -1 EBADF (Bad file descriptor) [pid 843] close(20) = -1 EBADF (Bad file descriptor) [pid 843] close(21) = -1 EBADF (Bad file descriptor) [pid 843] close(22) = -1 EBADF (Bad file descriptor) [pid 843] close(23) = -1 EBADF (Bad file descriptor) [pid 843] close(24) = -1 EBADF (Bad file descriptor) [pid 843] close(25) = -1 EBADF (Bad file descriptor) [pid 843] close(26) = -1 EBADF (Bad file descriptor) [pid 843] close(27 [pid 844] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 843] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 843] close(28) = -1 EBADF (Bad file descriptor) [pid 843] close(29) = -1 EBADF (Bad file descriptor) [pid 843] exit_group(0) = ? [pid 845] <... futex resumed>) = ? [pid 845] +++ exited with 0 +++ [pid 844] <... futex resumed>) = ? [pid 844] +++ exited with 0 +++ [pid 843] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=553, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 846 attached , child_tidptr=0x55555756f750) = 556 [pid 846] set_robust_list(0x55555756f760, 24) = 0 [pid 846] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 846] setpgid(0, 0) = 0 [pid 846] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 846] write(3, "1000", 4executing program ) = 4 [pid 846] close(3) = 0 [pid 846] write(1, "executing program\n", 18) = 18 [pid 846] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 846] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 846] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 846] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 846] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 846] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 846] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0}./strace-static-x86_64: Process 847 attached [pid 847] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 847] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 847] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 846] <... clone3 resumed> => {parent_tid=[557]}, 88) = 557 [pid 846] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 846] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 847] <... futex resumed>) = 0 [pid 846] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 847] memfd_create("syzkaller", 0 [pid 846] <... futex resumed>) = 0 [pid 847] <... memfd_create resumed>) = 3 [pid 847] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b723d000 [pid 846] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43b721c000 [pid 846] mprotect(0x7f43b721d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 846] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 846] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43b723c990, parent_tid=0x7f43b723c990, exit_signal=0, stack=0x7f43b721c000, stack_size=0x20240, tls=0x7f43b723c6c0}./strace-static-x86_64: Process 848 attached => {parent_tid=[558]}, 88) = 558 [pid 848] set_robust_list(0x7f43b723c9a0, 24 [pid 846] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 848] <... set_robust_list resumed>) = 0 [pid 846] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000 [pid 848] rt_sigprocmask(SIG_SETMASK, [], [pid 846] <... futex resumed>) = 0 [pid 846] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 848] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 847] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 848] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 847] <... write resumed>) = 131072 [pid 847] munmap(0x7f43b723d000, 138412032) = 0 [pid 847] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 847] ioctl(5, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 847] ioctl(5, LOOP_CLR_FD) = 0 [pid 847] ioctl(5, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 847] close(5) = 0 [pid 847] close(3) = 0 [pid 847] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 847] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 848] <... openat resumed>) = 4 [pid 848] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 846] <... futex resumed>) = 0 [pid 846] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 848] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 846] <... futex resumed>) = 1 [pid 846] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 847] <... futex resumed>) = 0 [pid 847] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 4, 0) = 0x200000000000 [pid 847] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 846] <... futex resumed>) = 0 [pid 846] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 846] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 847] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 847] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 847] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 846] <... futex resumed>) = 0 [pid 846] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 846] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 847] creat(0x200000000040, 000) = 3 [pid 847] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 846] <... futex resumed>) = 0 [pid 846] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 846] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 847] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 847] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 846] <... futex resumed>) = 0 [pid 846] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 846] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 847] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 847] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 846] <... futex resumed>) = 0 [pid 846] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 846] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 847] write(5, 0x200000000080, 34136651) = 131072 [pid 847] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 846] <... futex resumed>) = 0 [pid 846] close(3) = 0 [pid 846] close(4) = 0 [pid 846] close(5) = 0 [pid 846] close(6) = -1 EBADF (Bad file descriptor) [pid 846] close(7) = -1 EBADF (Bad file descriptor) [pid 846] close(8) = -1 EBADF (Bad file descriptor) [pid 846] close(9) = -1 EBADF (Bad file descriptor) [pid 846] close(10) = -1 EBADF (Bad file descriptor) [pid 846] close(11) = -1 EBADF (Bad file descriptor) [pid 846] close(12) = -1 EBADF (Bad file descriptor) [pid 846] close(13) = -1 EBADF (Bad file descriptor) [pid 846] close(14) = -1 EBADF (Bad file descriptor) [pid 846] close(15) = -1 EBADF (Bad file descriptor) [pid 846] close(16) = -1 EBADF (Bad file descriptor) [pid 846] close(17) = -1 EBADF (Bad file descriptor) [pid 846] close(18) = -1 EBADF (Bad file descriptor) [pid 846] close(19) = -1 EBADF (Bad file descriptor) [pid 846] close(20) = -1 EBADF (Bad file descriptor) [pid 846] close(21) = -1 EBADF (Bad file descriptor) [pid 846] close(22) = -1 EBADF (Bad file descriptor) [pid 846] close(23) = -1 EBADF (Bad file descriptor) [pid 846] close(24) = -1 EBADF (Bad file descriptor) [pid 846] close(25) = -1 EBADF (Bad file descriptor) [pid 846] close(26) = -1 EBADF (Bad file descriptor) [pid 846] close(27) = -1 EBADF (Bad file descriptor) [pid 846] close(28) = -1 EBADF (Bad file descriptor) [pid 846] close(29) = -1 EBADF (Bad file descriptor) [pid 846] exit_group(0) = ? [pid 848] <... futex resumed>) = ? [pid 848] +++ exited with 0 +++ [pid 847] +++ exited with 0 +++ [pid 846] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=556, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756f750) = 559 ./strace-static-x86_64: Process 849 attached [pid 849] set_robust_list(0x55555756f760, 24) = 0 [pid 849] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 849] setpgid(0, 0) = 0 [pid 849] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 849] write(3, "1000", 4) = 4 [pid 849] close(3) = 0 [pid 849] write(1, "executing program\n", 18executing program ) = 18 [pid 849] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 849] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 849] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 849] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 849] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 849] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 849] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0}./strace-static-x86_64: Process 850 attached => {parent_tid=[560]}, 88) = 560 [pid 850] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 850] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 850] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 849] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 849] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 850] <... futex resumed>) = 0 [pid 850] memfd_create("syzkaller", 0 [pid 849] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 850] <... memfd_create resumed>) = 3 [pid 850] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b723d000 [pid 849] <... futex resumed>) = 0 [pid 849] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43b721c000 [pid 849] mprotect(0x7f43b721d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 849] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 849] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43b723c990, parent_tid=0x7f43b723c990, exit_signal=0, stack=0x7f43b721c000, stack_size=0x20240, tls=0x7f43b723c6c0}./strace-static-x86_64: Process 851 attached [pid 850] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 849] <... clone3 resumed> => {parent_tid=[561]}, 88) = 561 [pid 851] set_robust_list(0x7f43b723c9a0, 24) = 0 [pid 849] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 851] rt_sigprocmask(SIG_SETMASK, [], [pid 849] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000 [pid 851] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 850] <... write resumed>) = 131072 [pid 850] munmap(0x7f43b723d000, 138412032 [pid 849] <... futex resumed>) = 0 [pid 849] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 851] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 850] <... munmap resumed>) = 0 [pid 850] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 850] ioctl(5, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 850] ioctl(5, LOOP_CLR_FD) = 0 [pid 850] ioctl(5, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 850] close(5) = 0 [pid 850] close(3) = 0 [pid 850] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 850] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 851] <... openat resumed>) = 4 [pid 851] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 849] <... futex resumed>) = 0 [pid 849] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 849] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 850] <... futex resumed>) = 0 [pid 850] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 4, 0 [pid 851] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 850] <... mmap resumed>) = 0x200000000000 [pid 850] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 849] <... futex resumed>) = 0 [pid 849] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 849] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 850] <... futex resumed>) = 1 [pid 850] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 850] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 850] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 849] <... futex resumed>) = 0 [pid 849] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 849] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 850] creat(0x200000000040, 000) = 3 [pid 850] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 849] <... futex resumed>) = 0 [pid 849] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 849] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 850] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 850] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 849] <... futex resumed>) = 0 [pid 849] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 849] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 850] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 850] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 849] <... futex resumed>) = 0 [pid 849] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 849] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 850] write(5, 0x200000000080, 34136651) = 131072 [pid 850] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 849] <... futex resumed>) = 0 [pid 849] close(3) = 0 [pid 849] close(4) = 0 [pid 849] close(5) = 0 [pid 849] close(6) = -1 EBADF (Bad file descriptor) [pid 849] close(7) = -1 EBADF (Bad file descriptor) [pid 849] close(8) = -1 EBADF (Bad file descriptor) [pid 849] close(9) = -1 EBADF (Bad file descriptor) [pid 849] close(10) = -1 EBADF (Bad file descriptor) [pid 849] close(11) = -1 EBADF (Bad file descriptor) [pid 849] close(12) = -1 EBADF (Bad file descriptor) [pid 849] close(13) = -1 EBADF (Bad file descriptor) [pid 849] close(14) = -1 EBADF (Bad file descriptor) [pid 849] close(15) = -1 EBADF (Bad file descriptor) [pid 849] close(16) = -1 EBADF (Bad file descriptor) [pid 849] close(17) = -1 EBADF (Bad file descriptor) [pid 849] close(18) = -1 EBADF (Bad file descriptor) [pid 849] close(19) = -1 EBADF (Bad file descriptor) [pid 849] close(20) = -1 EBADF (Bad file descriptor) [pid 849] close(21) = -1 EBADF (Bad file descriptor) [pid 849] close(22) = -1 EBADF (Bad file descriptor) [pid 849] close(23) = -1 EBADF (Bad file descriptor) [pid 849] close(24) = -1 EBADF (Bad file descriptor) [pid 849] close(25) = -1 EBADF (Bad file descriptor) [pid 849] close(26) = -1 EBADF (Bad file descriptor) [pid 849] close(27) = -1 EBADF (Bad file descriptor) [pid 849] close(28) = -1 EBADF (Bad file descriptor) [pid 849] close(29) = -1 EBADF (Bad file descriptor) [pid 849] exit_group(0) = ? [pid 851] <... futex resumed>) = ? [pid 850] +++ exited with 0 +++ [pid 851] +++ exited with 0 +++ [pid 849] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=559, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 852 attached [pid 852] set_robust_list(0x55555756f760, 24) = 0 [pid 852] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 289] <... clone resumed>, child_tidptr=0x55555756f750) = 562 [pid 852] <... prctl resumed>) = 0 [pid 852] setpgid(0, 0) = 0 [pid 852] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 852] write(3, "1000", 4) = 4 [pid 852] close(3executing program ) = 0 [pid 852] write(1, "executing program\n", 18) = 18 [pid 852] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 852] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 852] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 852] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 852] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 852] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 852] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0}./strace-static-x86_64: Process 853 attached => {parent_tid=[563]}, 88) = 563 [pid 853] set_robust_list(0x7f43bf65d9a0, 24 [pid 852] rt_sigprocmask(SIG_SETMASK, [], [pid 853] <... set_robust_list resumed>) = 0 [pid 852] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 853] rt_sigprocmask(SIG_SETMASK, [], [pid 852] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 853] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 852] <... futex resumed>) = 0 [pid 852] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 852] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 853] memfd_create("syzkaller", 0 [pid 852] <... mmap resumed>) = 0x7f43bf61c000 [pid 853] <... memfd_create resumed>) = 3 [pid 852] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 853] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 852] rt_sigprocmask(SIG_BLOCK, ~[], [pid 853] <... mmap resumed>) = 0x7f43b721c000 [pid 852] <... rt_sigprocmask resumed>[], 8) = 0 [pid 852] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0} => {parent_tid=[564]}, 88) = 564 [pid 852] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 852] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 852] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 854 attached [pid 853] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 854] set_robust_list(0x7f43bf63c9a0, 24 [pid 853] <... write resumed>) = 131072 [pid 854] <... set_robust_list resumed>) = 0 [pid 853] munmap(0x7f43b721c000, 138412032 [pid 854] rt_sigprocmask(SIG_SETMASK, [], [pid 853] <... munmap resumed>) = 0 [pid 854] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 853] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 854] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 853] <... openat resumed>) = 4 [pid 853] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 853] ioctl(4, LOOP_CLR_FD) = 0 [pid 853] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 853] close(4) = 0 [pid 853] close(3) = 0 [pid 853] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 853] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 854] <... openat resumed>) = 5 [pid 854] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 852] <... futex resumed>) = 0 [pid 852] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 853] <... futex resumed>) = 0 [pid 852] <... futex resumed>) = 1 [pid 853] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 5, 0 [pid 852] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 854] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 853] <... mmap resumed>) = 0x200000000000 [pid 853] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 852] <... futex resumed>) = 0 [pid 853] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 852] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 853] mkdirat(AT_FDCWD, 0x200000000280, 0117 [pid 852] <... futex resumed>) = 0 [pid 853] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 852] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 853] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 852] <... futex resumed>) = 0 [pid 853] creat(0x200000000040, 000 [pid 852] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 853] <... creat resumed>) = 3 [pid 852] <... futex resumed>) = 0 [pid 853] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 852] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 853] <... futex resumed>) = 0 [pid 852] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 853] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL [pid 852] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 853] <... mount resumed>) = 0 [pid 852] <... futex resumed>) = 0 [pid 853] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 852] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 853] <... futex resumed>) = 0 [pid 852] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 853] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c [pid 852] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 853] <... open resumed>) = 4 [pid 852] <... futex resumed>) = 0 [pid 853] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 852] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 853] <... futex resumed>) = 0 [pid 852] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 853] write(4, 0x200000000080, 34136651 [pid 852] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 852] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 853] <... write resumed>) = 131072 [pid 853] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 852] <... futex resumed>) = 0 [pid 852] close(3) = 0 [pid 852] close(4) = 0 [pid 852] close(5) = 0 [pid 852] close(6) = -1 EBADF (Bad file descriptor) [pid 852] close(7) = -1 EBADF (Bad file descriptor) [pid 852] close(8) = -1 EBADF (Bad file descriptor) [pid 852] close(9) = -1 EBADF (Bad file descriptor) [pid 852] close(10) = -1 EBADF (Bad file descriptor) [pid 852] close(11) = -1 EBADF (Bad file descriptor) [pid 852] close(12) = -1 EBADF (Bad file descriptor) [pid 852] close(13) = -1 EBADF (Bad file descriptor) [pid 852] close(14) = -1 EBADF (Bad file descriptor) [pid 852] close(15) = -1 EBADF (Bad file descriptor) [pid 852] close(16) = -1 EBADF (Bad file descriptor) [pid 852] close(17) = -1 EBADF (Bad file descriptor) [pid 852] close(18) = -1 EBADF (Bad file descriptor) [pid 852] close(19) = -1 EBADF (Bad file descriptor) [pid 852] close(20) = -1 EBADF (Bad file descriptor) [pid 852] close(21) = -1 EBADF (Bad file descriptor) [pid 852] close(22) = -1 EBADF (Bad file descriptor) [pid 852] close(23) = -1 EBADF (Bad file descriptor) [pid 852] close(24) = -1 EBADF (Bad file descriptor) [pid 852] close(25) = -1 EBADF (Bad file descriptor) [pid 852] close(26) = -1 EBADF (Bad file descriptor) [pid 852] close(27) = -1 EBADF (Bad file descriptor) [pid 852] close(28) = -1 EBADF (Bad file descriptor) [pid 852] close(29) = -1 EBADF (Bad file descriptor) [pid 852] exit_group(0) = ? [pid 854] <... futex resumed>) = ? [pid 853] <... futex resumed>) = ? [pid 854] +++ exited with 0 +++ [pid 853] +++ exited with 0 +++ [pid 852] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=562, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756f750) = 565 ./strace-static-x86_64: Process 855 attached [pid 855] set_robust_list(0x55555756f760, 24) = 0 [pid 855] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 855] setpgid(0, 0) = 0 [pid 855] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 855] write(3, "1000", 4) = 4 [pid 855] close(3) = 0 executing program [pid 855] write(1, "executing program\n", 18) = 18 [pid 855] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 855] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 855] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 855] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 855] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 855] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 855] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0}./strace-static-x86_64: Process 856 attached [pid 856] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 856] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 856] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 855] <... clone3 resumed> => {parent_tid=[566]}, 88) = 566 [pid 855] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 855] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 856] <... futex resumed>) = 0 [pid 856] memfd_create("syzkaller", 0) = 3 [pid 856] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b723d000 [pid 855] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 855] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43b721c000 [pid 855] mprotect(0x7f43b721d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 855] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 855] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43b723c990, parent_tid=0x7f43b723c990, exit_signal=0, stack=0x7f43b721c000, stack_size=0x20240, tls=0x7f43b723c6c0} [pid 856] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 855] <... clone3 resumed> => {parent_tid=[567]}, 88) = 567 ./strace-static-x86_64: Process 857 attached [pid 855] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 855] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 855] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 857] set_robust_list(0x7f43b723c9a0, 24 [pid 856] <... write resumed>) = 131072 [pid 857] <... set_robust_list resumed>) = 0 [pid 856] munmap(0x7f43b723d000, 138412032 [pid 857] rt_sigprocmask(SIG_SETMASK, [], [pid 856] <... munmap resumed>) = 0 [pid 857] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 856] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 856] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 856] ioctl(4, LOOP_CLR_FD) = 0 [pid 857] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 856] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 856] close(4) = 0 [pid 856] close(3) = 0 [pid 856] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 856] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 857] <... openat resumed>) = 5 [pid 857] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 855] <... futex resumed>) = 0 [pid 855] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 855] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 856] <... futex resumed>) = 0 [pid 856] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 5, 0) = 0x200000000000 [pid 857] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 856] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 855] <... futex resumed>) = 0 [pid 855] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 855] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 856] <... futex resumed>) = 1 [pid 856] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 856] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 856] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 855] <... futex resumed>) = 0 [pid 855] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 855] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 856] <... futex resumed>) = 1 [pid 856] creat(0x200000000040, 000) = 3 [pid 856] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 855] <... futex resumed>) = 0 [pid 855] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 855] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 856] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 856] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 855] <... futex resumed>) = 0 [pid 855] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 855] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 856] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 4 [pid 856] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 855] <... futex resumed>) = 0 [pid 855] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 855] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 856] write(4, 0x200000000080, 34136651) = 131072 [pid 856] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 855] <... futex resumed>) = 0 [pid 855] close(3) = 0 [pid 855] close(4) = 0 [pid 855] close(5) = 0 [pid 855] close(6) = -1 EBADF (Bad file descriptor) [pid 855] close(7) = -1 EBADF (Bad file descriptor) [pid 855] close(8) = -1 EBADF (Bad file descriptor) [pid 855] close(9) = -1 EBADF (Bad file descriptor) [pid 855] close(10) = -1 EBADF (Bad file descriptor) [pid 855] close(11) = -1 EBADF (Bad file descriptor) [pid 855] close(12) = -1 EBADF (Bad file descriptor) [pid 855] close(13) = -1 EBADF (Bad file descriptor) [pid 855] close(14) = -1 EBADF (Bad file descriptor) [pid 855] close(15) = -1 EBADF (Bad file descriptor) [pid 855] close(16) = -1 EBADF (Bad file descriptor) [pid 855] close(17) = -1 EBADF (Bad file descriptor) [pid 855] close(18) = -1 EBADF (Bad file descriptor) [pid 855] close(19) = -1 EBADF (Bad file descriptor) [pid 855] close(20) = -1 EBADF (Bad file descriptor) [pid 855] close(21) = -1 EBADF (Bad file descriptor) [pid 855] close(22) = -1 EBADF (Bad file descriptor) [pid 855] close(23) = -1 EBADF (Bad file descriptor) [pid 855] close(24) = -1 EBADF (Bad file descriptor) [pid 855] close(25) = -1 EBADF (Bad file descriptor) [pid 855] close(26) = -1 EBADF (Bad file descriptor) [pid 855] close(27) = -1 EBADF (Bad file descriptor) [pid 855] close(28) = -1 EBADF (Bad file descriptor) [pid 855] close(29) = -1 EBADF (Bad file descriptor) [pid 856] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 855] exit_group(0) = ? [pid 857] <... futex resumed>) = ? [pid 856] <... futex resumed>) = ? [pid 857] +++ exited with 0 +++ [pid 856] +++ exited with 0 +++ [pid 855] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=565, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 858 attached , child_tidptr=0x55555756f750) = 568 [pid 858] set_robust_list(0x55555756f760, 24) = 0 [pid 858] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 858] setpgid(0, 0) = 0 [pid 858] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 858] write(3, "1000", 4) = 4 [pid 858] close(3) = 0 [pid 858] write(1, "executing program\n", 18executing program ) = 18 [pid 858] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 858] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 858] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 858] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 858] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 858] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 858] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0}./strace-static-x86_64: Process 859 attached => {parent_tid=[569]}, 88) = 569 [pid 859] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 858] rt_sigprocmask(SIG_SETMASK, [], [pid 859] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 859] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 858] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 858] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 859] <... futex resumed>) = 0 [pid 859] memfd_create("syzkaller", 0 [pid 858] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 859] <... memfd_create resumed>) = 3 [pid 859] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b723d000 [pid 858] <... futex resumed>) = 0 [pid 858] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43b721c000 [pid 858] mprotect(0x7f43b721d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 858] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 858] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43b723c990, parent_tid=0x7f43b723c990, exit_signal=0, stack=0x7f43b721c000, stack_size=0x20240, tls=0x7f43b723c6c0}./strace-static-x86_64: Process 860 attached [pid 859] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 858] <... clone3 resumed> => {parent_tid=[570]}, 88) = 570 [pid 860] set_robust_list(0x7f43b723c9a0, 24 [pid 858] rt_sigprocmask(SIG_SETMASK, [], [pid 860] <... set_robust_list resumed>) = 0 [pid 858] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 860] rt_sigprocmask(SIG_SETMASK, [], [pid 858] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 860] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 858] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 860] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 859] <... write resumed>) = 131072 [pid 859] munmap(0x7f43b723d000, 138412032) = 0 [pid 859] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 859] ioctl(5, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 859] ioctl(5, LOOP_CLR_FD) = 0 [pid 859] ioctl(5, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 859] close(5) = 0 [pid 859] close(3) = 0 [pid 859] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 859] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 860] <... openat resumed>) = 4 [pid 860] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 858] <... futex resumed>) = 0 [pid 860] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 858] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 859] <... futex resumed>) = 0 [pid 859] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 4, 0) = 0x200000000000 [pid 858] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 859] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 859] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 858] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 858] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 859] <... futex resumed>) = 0 [pid 859] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 859] mkdirat(AT_FDCWD, 0x200000000280, 0117 [pid 858] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 859] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 859] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 859] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 858] <... futex resumed>) = 0 [pid 858] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 859] <... futex resumed>) = 0 [pid 858] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 859] creat(0x200000000040, 000) = 3 [pid 859] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 858] <... futex resumed>) = 0 [pid 858] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 858] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 859] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 859] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 858] <... futex resumed>) = 0 [pid 858] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 858] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 859] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 859] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 858] <... futex resumed>) = 0 [pid 858] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 858] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 859] write(5, 0x200000000080, 34136651) = 131072 [pid 859] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 858] <... futex resumed>) = 0 [pid 858] close(3) = 0 [pid 858] close(4) = 0 [pid 858] close(5) = 0 [pid 858] close(6) = -1 EBADF (Bad file descriptor) [pid 858] close(7) = -1 EBADF (Bad file descriptor) [pid 858] close(8) = -1 EBADF (Bad file descriptor) [pid 858] close(9) = -1 EBADF (Bad file descriptor) [pid 858] close(10) = -1 EBADF (Bad file descriptor) [pid 858] close(11) = -1 EBADF (Bad file descriptor) [pid 858] close(12) = -1 EBADF (Bad file descriptor) [pid 858] close(13) = -1 EBADF (Bad file descriptor) [pid 858] close(14) = -1 EBADF (Bad file descriptor) [pid 858] close(15) = -1 EBADF (Bad file descriptor) [pid 858] close(16) = -1 EBADF (Bad file descriptor) [pid 858] close(17) = -1 EBADF (Bad file descriptor) [pid 858] close(18) = -1 EBADF (Bad file descriptor) [pid 858] close(19) = -1 EBADF (Bad file descriptor) [pid 858] close(20) = -1 EBADF (Bad file descriptor) [pid 858] close(21) = -1 EBADF (Bad file descriptor) [pid 858] close(22) = -1 EBADF (Bad file descriptor) [pid 858] close(23) = -1 EBADF (Bad file descriptor) [pid 858] close(24) = -1 EBADF (Bad file descriptor) [pid 858] close(25) = -1 EBADF (Bad file descriptor) [pid 858] close(26) = -1 EBADF (Bad file descriptor) [pid 858] close(27) = -1 EBADF (Bad file descriptor) [pid 858] close(28) = -1 EBADF (Bad file descriptor) [pid 858] close(29) = -1 EBADF (Bad file descriptor) [pid 858] exit_group(0) = ? [pid 860] <... futex resumed>) = ? [pid 859] +++ exited with 0 +++ [pid 860] +++ exited with 0 +++ [pid 858] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=568, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 861 attached [pid 861] set_robust_list(0x55555756f760, 24) = 0 [pid 289] <... clone resumed>, child_tidptr=0x55555756f750) = 571 [pid 861] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 861] setpgid(0, 0) = 0 [pid 861] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 861] write(3, "1000", 4) = 4 [pid 861] close(3) = 0 [pid 861] write(1, "executing program\n", 18executing program ) = 18 [pid 861] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 861] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 861] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 861] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 861] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 861] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 861] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0} => {parent_tid=[572]}, 88) = 572 [pid 861] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 861] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 861] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 861] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf61c000 [pid 861] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 861] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 861] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0} => {parent_tid=[573]}, 88) = 573 [pid 861] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 861] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 861] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 863 attached ./strace-static-x86_64: Process 862 attached [pid 862] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 862] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 862] memfd_create("syzkaller", 0) = 3 [pid 863] set_robust_list(0x7f43bf63c9a0, 24 [pid 862] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b721c000 [pid 863] <... set_robust_list resumed>) = 0 [pid 863] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 863] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 862] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 862] munmap(0x7f43b721c000, 138412032) = 0 [pid 862] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 862] ioctl(5, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 862] ioctl(5, LOOP_CLR_FD) = 0 [pid 862] ioctl(5, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 862] close(5) = 0 [pid 862] close(3) = 0 [pid 862] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 862] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 863] <... openat resumed>) = 4 [pid 863] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 861] <... futex resumed>) = 0 [pid 861] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 861] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 863] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 862] <... futex resumed>) = 0 [pid 862] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 4, 0) = 0x200000000000 [pid 862] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 861] <... futex resumed>) = 0 [pid 861] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 861] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 862] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 862] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 862] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 862] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 861] <... futex resumed>) = 0 [pid 861] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 862] <... futex resumed>) = 0 [pid 861] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 862] creat(0x200000000040, 000) = 3 [pid 862] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 861] <... futex resumed>) = 0 [pid 861] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 861] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 862] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 862] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 861] <... futex resumed>) = 0 [pid 861] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 861] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 862] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 862] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 861] <... futex resumed>) = 0 [pid 861] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 861] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 862] write(5, 0x200000000080, 34136651) = 131072 [pid 862] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 861] <... futex resumed>) = 0 [pid 861] close(3) = 0 [pid 861] close(4) = 0 [pid 861] close(5) = 0 [pid 861] close(6) = -1 EBADF (Bad file descriptor) [pid 861] close(7) = -1 EBADF (Bad file descriptor) [pid 861] close(8) = -1 EBADF (Bad file descriptor) [pid 861] close(9) = -1 EBADF (Bad file descriptor) [pid 861] close(10) = -1 EBADF (Bad file descriptor) [pid 861] close(11) = -1 EBADF (Bad file descriptor) [pid 861] close(12) = -1 EBADF (Bad file descriptor) [pid 861] close(13) = -1 EBADF (Bad file descriptor) [pid 861] close(14) = -1 EBADF (Bad file descriptor) [pid 861] close(15) = -1 EBADF (Bad file descriptor) [pid 861] close(16) = -1 EBADF (Bad file descriptor) [pid 861] close(17) = -1 EBADF (Bad file descriptor) [pid 861] close(18) = -1 EBADF (Bad file descriptor) [pid 861] close(19) = -1 EBADF (Bad file descriptor) [pid 861] close(20) = -1 EBADF (Bad file descriptor) [pid 861] close(21) = -1 EBADF (Bad file descriptor) [pid 861] close(22) = -1 EBADF (Bad file descriptor) [pid 861] close(23) = -1 EBADF (Bad file descriptor) [pid 861] close(24) = -1 EBADF (Bad file descriptor) [pid 861] close(25) = -1 EBADF (Bad file descriptor) [pid 861] close(26) = -1 EBADF (Bad file descriptor) [pid 861] close(27) = -1 EBADF (Bad file descriptor) [pid 861] close(28) = -1 EBADF (Bad file descriptor) [pid 861] close(29) = -1 EBADF (Bad file descriptor) [pid 861] exit_group(0) = ? [pid 863] <... futex resumed>) = ? [pid 863] +++ exited with 0 +++ [pid 862] +++ exited with 0 +++ [pid 861] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=571, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 864 attached , child_tidptr=0x55555756f750) = 574 [pid 864] set_robust_list(0x55555756f760, 24) = 0 [pid 864] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 864] setpgid(0, 0) = 0 [pid 864] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 864] write(3, "1000", 4) = 4 [pid 864] close(3) = 0 [pid 864] write(1, "executing program\n", 18executing program ) = 18 [pid 864] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 864] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 864] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 864] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 864] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 864] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 864] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0}./strace-static-x86_64: Process 865 attached => {parent_tid=[575]}, 88) = 575 [pid 865] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 865] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 865] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 864] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 864] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 865] <... futex resumed>) = 0 [pid 864] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 865] memfd_create("syzkaller", 0 [pid 864] <... futex resumed>) = 0 [pid 865] <... memfd_create resumed>) = 3 [pid 865] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b723d000 [pid 864] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43b721c000 [pid 864] mprotect(0x7f43b721d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 864] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 864] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43b723c990, parent_tid=0x7f43b723c990, exit_signal=0, stack=0x7f43b721c000, stack_size=0x20240, tls=0x7f43b723c6c0} [pid 865] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072./strace-static-x86_64: Process 866 attached [pid 866] set_robust_list(0x7f43b723c9a0, 24) = 0 [pid 866] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 866] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 865] <... write resumed>) = 131072 [pid 865] munmap(0x7f43b723d000, 138412032 [pid 864] <... clone3 resumed> => {parent_tid=[576]}, 88) = 576 [pid 864] rt_sigprocmask(SIG_SETMASK, [], [pid 865] <... munmap resumed>) = 0 [pid 864] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 865] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 864] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 865] <... openat resumed>) = 4 [pid 864] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 866] <... futex resumed>) = 0 [pid 866] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 865] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 865] ioctl(4, LOOP_CLR_FD) = 0 [pid 865] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 865] close(4) = 0 [pid 865] close(3) = 0 [pid 865] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 865] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 866] <... openat resumed>) = 5 [pid 866] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 864] <... futex resumed>) = 0 [pid 864] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 864] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 865] <... futex resumed>) = 0 [pid 865] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 5, 0) = 0x200000000000 [pid 865] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 864] <... futex resumed>) = 0 [pid 864] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 864] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 865] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 865] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 865] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 866] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 865] <... futex resumed>) = 1 [pid 864] <... futex resumed>) = 0 [pid 864] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 864] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 865] creat(0x200000000040, 000) = 3 [pid 865] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 864] <... futex resumed>) = 0 [pid 865] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 864] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 864] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 865] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 865] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 865] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 865] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 864] <... futex resumed>) = 0 [pid 864] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 864] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 865] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 865] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 4 [pid 865] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 864] <... futex resumed>) = 0 [pid 864] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 864] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 865] write(4, 0x200000000080, 34136651) = 131072 [pid 865] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 864] <... futex resumed>) = 0 [pid 864] close(3) = 0 [pid 864] close(4) = 0 [pid 864] close(5) = 0 [pid 865] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 864] close(6) = -1 EBADF (Bad file descriptor) [pid 864] close(7) = -1 EBADF (Bad file descriptor) [pid 864] close(8) = -1 EBADF (Bad file descriptor) [pid 864] close(9) = -1 EBADF (Bad file descriptor) [pid 864] close(10) = -1 EBADF (Bad file descriptor) [pid 864] close(11) = -1 EBADF (Bad file descriptor) [pid 864] close(12) = -1 EBADF (Bad file descriptor) [pid 864] close(13) = -1 EBADF (Bad file descriptor) [pid 864] close(14) = -1 EBADF (Bad file descriptor) [pid 864] close(15) = -1 EBADF (Bad file descriptor) [pid 864] close(16) = -1 EBADF (Bad file descriptor) [pid 864] close(17) = -1 EBADF (Bad file descriptor) [pid 864] close(18) = -1 EBADF (Bad file descriptor) [pid 864] close(19) = -1 EBADF (Bad file descriptor) [pid 864] close(20) = -1 EBADF (Bad file descriptor) [pid 864] close(21) = -1 EBADF (Bad file descriptor) [pid 864] close(22) = -1 EBADF (Bad file descriptor) [pid 864] close(23) = -1 EBADF (Bad file descriptor) [pid 864] close(24) = -1 EBADF (Bad file descriptor) [pid 864] close(25) = -1 EBADF (Bad file descriptor) [pid 864] close(26) = -1 EBADF (Bad file descriptor) [pid 864] close(27) = -1 EBADF (Bad file descriptor) [pid 864] close(28) = -1 EBADF (Bad file descriptor) [pid 864] close(29) = -1 EBADF (Bad file descriptor) [pid 864] exit_group(0) = ? [pid 865] <... futex resumed>) = ? [pid 866] <... futex resumed>) = ? [pid 865] +++ exited with 0 +++ [pid 866] +++ exited with 0 +++ [pid 864] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=574, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 867 attached , child_tidptr=0x55555756f750) = 577 [pid 867] set_robust_list(0x55555756f760, 24) = 0 [pid 867] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 867] setpgid(0, 0) = 0 [pid 867] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 867] write(3, "1000", 4) = 4 [pid 867] close(3) = 0 [pid 867] write(1, "executing program\n", 18executing program ) = 18 [pid 867] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 867] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 867] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 867] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 867] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 867] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 867] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0}./strace-static-x86_64: Process 868 attached [pid 868] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 868] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 868] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 867] <... clone3 resumed> => {parent_tid=[578]}, 88) = 578 [pid 867] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 867] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 868] <... futex resumed>) = 0 [pid 867] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 868] memfd_create("syzkaller", 0) = 3 [pid 868] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b723d000 [pid 867] <... futex resumed>) = 0 [pid 867] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43b721c000 [pid 867] mprotect(0x7f43b721d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 867] rt_sigprocmask(SIG_BLOCK, ~[], [pid 868] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 867] <... rt_sigprocmask resumed>[], 8) = 0 [pid 867] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43b723c990, parent_tid=0x7f43b723c990, exit_signal=0, stack=0x7f43b721c000, stack_size=0x20240, tls=0x7f43b723c6c0} [pid 868] <... write resumed>) = 131072 [pid 868] munmap(0x7f43b723d000, 138412032./strace-static-x86_64: Process 869 attached [pid 867] <... clone3 resumed> => {parent_tid=[579]}, 88) = 579 [pid 867] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 867] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 868] <... munmap resumed>) = 0 [pid 867] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 868] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 868] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 868] ioctl(4, LOOP_CLR_FD) = 0 [pid 869] set_robust_list(0x7f43b723c9a0, 24) = 0 [pid 869] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 869] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 868] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 868] close(4) = 0 [pid 868] close(3) = 0 [pid 868] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 868] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 869] <... openat resumed>) = 5 [pid 869] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 867] <... futex resumed>) = 0 [pid 867] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 869] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 867] <... futex resumed>) = 1 [pid 868] <... futex resumed>) = 0 [pid 868] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 5, 0) = 0x200000000000 [pid 867] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 868] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 868] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 867] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 867] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 868] <... futex resumed>) = 0 [pid 868] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 868] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 867] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 868] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 867] <... futex resumed>) = 0 [pid 867] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 867] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 868] creat(0x200000000040, 000) = 3 [pid 868] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 867] <... futex resumed>) = 0 [pid 867] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 867] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 868] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 868] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 867] <... futex resumed>) = 0 [pid 867] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 867] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 868] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 4 [pid 868] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 867] <... futex resumed>) = 0 [pid 867] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 867] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 868] write(4, 0x200000000080, 34136651) = 131072 [pid 868] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 867] <... futex resumed>) = 0 [pid 867] close(3) = 0 [pid 867] close(4) = 0 [pid 867] close(5) = 0 [pid 867] close(6) = -1 EBADF (Bad file descriptor) [pid 867] close(7) = -1 EBADF (Bad file descriptor) [pid 867] close(8) = -1 EBADF (Bad file descriptor) [pid 867] close(9) = -1 EBADF (Bad file descriptor) [pid 867] close(10) = -1 EBADF (Bad file descriptor) [pid 867] close(11) = -1 EBADF (Bad file descriptor) [pid 867] close(12) = -1 EBADF (Bad file descriptor) [pid 867] close(13) = -1 EBADF (Bad file descriptor) [pid 867] close(14) = -1 EBADF (Bad file descriptor) [pid 867] close(15) = -1 EBADF (Bad file descriptor) [pid 867] close(16) = -1 EBADF (Bad file descriptor) [pid 867] close(17) = -1 EBADF (Bad file descriptor) [pid 867] close(18) = -1 EBADF (Bad file descriptor) [pid 867] close(19) = -1 EBADF (Bad file descriptor) [pid 867] close(20) = -1 EBADF (Bad file descriptor) [pid 867] close(21) = -1 EBADF (Bad file descriptor) [pid 867] close(22) = -1 EBADF (Bad file descriptor) [pid 867] close(23) = -1 EBADF (Bad file descriptor) [pid 867] close(24) = -1 EBADF (Bad file descriptor) [pid 867] close(25) = -1 EBADF (Bad file descriptor) [pid 867] close(26) = -1 EBADF (Bad file descriptor) [pid 867] close(27) = -1 EBADF (Bad file descriptor) [pid 867] close(28) = -1 EBADF (Bad file descriptor) [pid 867] close(29) = -1 EBADF (Bad file descriptor) [pid 867] exit_group(0) = ? [pid 869] <... futex resumed>) = ? [pid 869] +++ exited with 0 +++ [pid 868] +++ exited with 0 +++ [pid 867] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=577, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 870 attached , child_tidptr=0x55555756f750) = 580 [pid 870] set_robust_list(0x55555756f760, 24) = 0 [pid 870] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 870] setpgid(0, 0) = 0 [pid 870] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 870] write(3, "1000", 4) = 4 [pid 870] close(3) = 0 [pid 870] write(1, "executing program\n", 18executing program ) = 18 [pid 870] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 870] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 870] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 870] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 870] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 870] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 870] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0}./strace-static-x86_64: Process 871 attached => {parent_tid=[581]}, 88) = 581 [pid 871] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 871] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 871] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 870] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 870] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 871] <... futex resumed>) = 0 [pid 870] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 871] memfd_create("syzkaller", 0) = 3 [pid 870] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 871] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b723d000 [pid 870] <... mmap resumed>) = 0x7f43b721c000 [pid 870] mprotect(0x7f43b721d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 870] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 870] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43b723c990, parent_tid=0x7f43b723c990, exit_signal=0, stack=0x7f43b721c000, stack_size=0x20240, tls=0x7f43b723c6c0}./strace-static-x86_64: Process 872 attached [pid 872] set_robust_list(0x7f43b723c9a0, 24 [pid 870] <... clone3 resumed> => {parent_tid=[582]}, 88) = 582 [pid 870] rt_sigprocmask(SIG_SETMASK, [], [pid 872] <... set_robust_list resumed>) = 0 [pid 870] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 872] rt_sigprocmask(SIG_SETMASK, [], [pid 871] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 872] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 870] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000 [pid 872] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 870] <... futex resumed>) = 0 [pid 870] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 871] <... write resumed>) = 131072 [pid 871] munmap(0x7f43b723d000, 138412032) = 0 [pid 871] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 871] ioctl(5, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 871] ioctl(5, LOOP_CLR_FD) = 0 [pid 871] ioctl(5, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 871] close(5) = 0 [pid 871] close(3) = 0 [pid 871] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 871] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 872] <... openat resumed>) = 4 [pid 872] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 870] <... futex resumed>) = 0 [pid 870] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 870] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 871] <... futex resumed>) = 0 [pid 871] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 4, 0 [pid 872] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 871] <... mmap resumed>) = 0x200000000000 [pid 871] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 870] <... futex resumed>) = 0 [pid 870] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 870] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 871] <... futex resumed>) = 1 [pid 871] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 871] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 871] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 870] <... futex resumed>) = 0 [pid 870] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 870] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 871] <... futex resumed>) = 1 [pid 871] creat(0x200000000040, 000) = 3 [pid 871] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 870] <... futex resumed>) = 0 [pid 870] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 870] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 871] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 871] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 870] <... futex resumed>) = 0 [pid 870] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 870] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 871] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 871] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 870] <... futex resumed>) = 0 [pid 870] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 870] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 871] write(5, 0x200000000080, 34136651) = 131072 [pid 871] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 870] <... futex resumed>) = 0 [pid 870] close(3) = 0 [pid 870] close(4) = 0 [pid 870] close(5) = 0 [pid 870] close(6) = -1 EBADF (Bad file descriptor) [pid 870] close(7) = -1 EBADF (Bad file descriptor) [pid 870] close(8) = -1 EBADF (Bad file descriptor) [pid 870] close(9) = -1 EBADF (Bad file descriptor) [pid 870] close(10) = -1 EBADF (Bad file descriptor) [pid 870] close(11) = -1 EBADF (Bad file descriptor) [pid 870] close(12) = -1 EBADF (Bad file descriptor) [pid 870] close(13) = -1 EBADF (Bad file descriptor) [pid 870] close(14) = -1 EBADF (Bad file descriptor) [pid 870] close(15) = -1 EBADF (Bad file descriptor) [pid 870] close(16) = -1 EBADF (Bad file descriptor) [pid 870] close(17) = -1 EBADF (Bad file descriptor) [pid 870] close(18) = -1 EBADF (Bad file descriptor) [pid 870] close(19) = -1 EBADF (Bad file descriptor) [pid 870] close(20) = -1 EBADF (Bad file descriptor) [pid 870] close(21) = -1 EBADF (Bad file descriptor) [pid 870] close(22) = -1 EBADF (Bad file descriptor) [pid 870] close(23) = -1 EBADF (Bad file descriptor) [pid 870] close(24) = -1 EBADF (Bad file descriptor) [pid 870] close(25) = -1 EBADF (Bad file descriptor) [pid 870] close(26) = -1 EBADF (Bad file descriptor) [pid 870] close(27) = -1 EBADF (Bad file descriptor) [pid 870] close(28) = -1 EBADF (Bad file descriptor) [pid 870] close(29) = -1 EBADF (Bad file descriptor) [pid 870] exit_group(0) = ? [pid 872] <... futex resumed>) = ? [pid 872] +++ exited with 0 +++ [pid 871] +++ exited with 0 +++ [pid 870] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=580, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 873 attached , child_tidptr=0x55555756f750) = 583 [pid 873] set_robust_list(0x55555756f760, 24) = 0 [pid 873] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 873] setpgid(0, 0) = 0 [pid 873] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 873] write(3, "1000", 4) = 4 [pid 873] close(3) = 0 [pid 873] write(1, "executing program\n", 18executing program ) = 18 [pid 873] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 873] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 873] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 873] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 873] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 873] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 873] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0} => {parent_tid=[584]}, 88) = 584 [pid 873] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 873] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 873] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 873] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf61c000 [pid 873] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 873] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 873] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0}./strace-static-x86_64: Process 875 attached => {parent_tid=[585]}, 88) = 585 [pid 873] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 873] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 873] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 874 attached [pid 874] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 874] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 875] set_robust_list(0x7f43bf63c9a0, 24 [pid 874] memfd_create("syzkaller", 0 [pid 875] <... set_robust_list resumed>) = 0 [pid 874] <... memfd_create resumed>) = 3 [pid 874] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b721c000 [pid 875] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 875] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 874] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 874] munmap(0x7f43b721c000, 138412032) = 0 [pid 874] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 874] ioctl(5, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 874] ioctl(5, LOOP_CLR_FD) = 0 [pid 874] ioctl(5, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 874] close(5) = 0 [pid 874] close(3) = 0 [pid 874] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 874] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 875] <... openat resumed>) = 4 [pid 875] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 873] <... futex resumed>) = 0 [pid 873] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 873] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 875] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 874] <... futex resumed>) = 0 [pid 874] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 4, 0) = 0x200000000000 [pid 874] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 873] <... futex resumed>) = 0 [pid 873] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 873] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 874] <... futex resumed>) = 1 [pid 874] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 874] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 874] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 873] <... futex resumed>) = 0 [pid 873] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 873] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 874] <... futex resumed>) = 1 [pid 874] creat(0x200000000040, 000) = 3 [pid 874] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 873] <... futex resumed>) = 0 [pid 873] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 873] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 874] <... futex resumed>) = 1 [pid 874] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 874] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 873] <... futex resumed>) = 0 [pid 873] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 873] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 874] <... futex resumed>) = 1 [pid 874] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 874] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 873] <... futex resumed>) = 0 [pid 873] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 873] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 874] <... futex resumed>) = 1 [pid 874] write(5, 0x200000000080, 34136651) = 131072 [pid 874] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 873] <... futex resumed>) = 0 [pid 873] close(3) = 0 [pid 873] close(4) = 0 [pid 873] close(5) = 0 [pid 873] close(6) = -1 EBADF (Bad file descriptor) [pid 874] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 873] close(7) = -1 EBADF (Bad file descriptor) [pid 873] close(8) = -1 EBADF (Bad file descriptor) [pid 873] close(9) = -1 EBADF (Bad file descriptor) [pid 873] close(10) = -1 EBADF (Bad file descriptor) [pid 873] close(11) = -1 EBADF (Bad file descriptor) [pid 873] close(12) = -1 EBADF (Bad file descriptor) [pid 873] close(13) = -1 EBADF (Bad file descriptor) [pid 873] close(14) = -1 EBADF (Bad file descriptor) [pid 873] close(15) = -1 EBADF (Bad file descriptor) [pid 873] close(16) = -1 EBADF (Bad file descriptor) [pid 873] close(17) = -1 EBADF (Bad file descriptor) [pid 873] close(18) = -1 EBADF (Bad file descriptor) [pid 873] close(19) = -1 EBADF (Bad file descriptor) [pid 873] close(20) = -1 EBADF (Bad file descriptor) [pid 873] close(21) = -1 EBADF (Bad file descriptor) [pid 873] close(22) = -1 EBADF (Bad file descriptor) [pid 873] close(23) = -1 EBADF (Bad file descriptor) [pid 873] close(24) = -1 EBADF (Bad file descriptor) [pid 873] close(25) = -1 EBADF (Bad file descriptor) [pid 873] close(26) = -1 EBADF (Bad file descriptor) [pid 873] close(27) = -1 EBADF (Bad file descriptor) [pid 873] close(28) = -1 EBADF (Bad file descriptor) [pid 873] close(29) = -1 EBADF (Bad file descriptor) [pid 873] exit_group(0) = ? [pid 874] <... futex resumed>) = ? [pid 875] <... futex resumed>) = ? [pid 874] +++ exited with 0 +++ [pid 875] +++ exited with 0 +++ [pid 873] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=583, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756f750) = 586 ./strace-static-x86_64: Process 876 attached [pid 876] set_robust_list(0x55555756f760, 24) = 0 [pid 876] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 876] setpgid(0, 0) = 0 [pid 876] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 876] write(3, "1000", 4) = 4 [pid 876] close(3) = 0 executing program [pid 876] write(1, "executing program\n", 18) = 18 [pid 876] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 876] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 876] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 876] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 876] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 876] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 876] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0}./strace-static-x86_64: Process 877 attached => {parent_tid=[587]}, 88) = 587 [pid 877] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 877] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 877] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 876] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 876] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 877] <... futex resumed>) = 0 [pid 876] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 876] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 877] memfd_create("syzkaller", 0 [pid 876] <... mmap resumed>) = 0x7f43bf61c000 [pid 877] <... memfd_create resumed>) = 3 [pid 877] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b721c000 [pid 876] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 876] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 876] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0}./strace-static-x86_64: Process 878 attached => {parent_tid=[588]}, 88) = 588 [pid 878] set_robust_list(0x7f43bf63c9a0, 24 [pid 876] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 878] <... set_robust_list resumed>) = 0 [pid 876] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 878] rt_sigprocmask(SIG_SETMASK, [], [pid 876] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 878] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 877] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 878] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 877] <... write resumed>) = 131072 [pid 877] munmap(0x7f43b721c000, 138412032) = 0 [pid 877] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 877] ioctl(5, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 877] ioctl(5, LOOP_CLR_FD) = 0 [pid 877] ioctl(5, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 877] close(5) = 0 [pid 877] close(3) = 0 [pid 877] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 877] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 878] <... openat resumed>) = 4 [pid 878] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 876] <... futex resumed>) = 0 [pid 876] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 876] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 877] <... futex resumed>) = 0 [pid 877] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 4, 0 [pid 878] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 877] <... mmap resumed>) = 0x200000000000 [pid 877] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 876] <... futex resumed>) = 0 [pid 876] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 876] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 877] <... futex resumed>) = 1 [pid 877] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 877] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 877] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 876] <... futex resumed>) = 0 [pid 876] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 877] <... futex resumed>) = 1 [pid 876] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 877] creat(0x200000000040, 000) = 3 [pid 877] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 876] <... futex resumed>) = 0 [pid 876] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 876] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 877] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 877] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 876] <... futex resumed>) = 0 [pid 876] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 876] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 877] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 877] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 876] <... futex resumed>) = 0 [pid 876] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 876] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 877] write(5, 0x200000000080, 34136651) = 131072 [pid 877] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 876] <... futex resumed>) = 0 [pid 876] close(3) = 0 [pid 876] close(4) = 0 [pid 876] close(5) = 0 [pid 876] close(6) = -1 EBADF (Bad file descriptor) [pid 876] close(7) = -1 EBADF (Bad file descriptor) [pid 876] close(8) = -1 EBADF (Bad file descriptor) [pid 876] close(9) = -1 EBADF (Bad file descriptor) [pid 876] close(10) = -1 EBADF (Bad file descriptor) [pid 876] close(11) = -1 EBADF (Bad file descriptor) [pid 876] close(12) = -1 EBADF (Bad file descriptor) [pid 876] close(13) = -1 EBADF (Bad file descriptor) [pid 876] close(14) = -1 EBADF (Bad file descriptor) [pid 876] close(15) = -1 EBADF (Bad file descriptor) [pid 876] close(16) = -1 EBADF (Bad file descriptor) [pid 876] close(17) = -1 EBADF (Bad file descriptor) [pid 876] close(18) = -1 EBADF (Bad file descriptor) [pid 876] close(19) = -1 EBADF (Bad file descriptor) [pid 876] close(20) = -1 EBADF (Bad file descriptor) [pid 876] close(21) = -1 EBADF (Bad file descriptor) [pid 876] close(22) = -1 EBADF (Bad file descriptor) [pid 876] close(23) = -1 EBADF (Bad file descriptor) [pid 876] close(24) = -1 EBADF (Bad file descriptor) [pid 876] close(25) = -1 EBADF (Bad file descriptor) [pid 876] close(26) = -1 EBADF (Bad file descriptor) [pid 876] close(27) = -1 EBADF (Bad file descriptor) [pid 876] close(28) = -1 EBADF (Bad file descriptor) [pid 876] close(29) = -1 EBADF (Bad file descriptor) [pid 876] exit_group(0) = ? [pid 878] <... futex resumed>) = ? [pid 878] +++ exited with 0 +++ [pid 877] +++ exited with 0 +++ [pid 876] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=586, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756f750) = 589 ./strace-static-x86_64: Process 879 attached [pid 879] set_robust_list(0x55555756f760, 24) = 0 [pid 879] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 879] setpgid(0, 0) = 0 [pid 879] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 879] write(3, "1000", 4) = 4 [pid 879] close(3) = 0 [pid 879] write(1, "executing program\n", 18executing program ) = 18 [pid 879] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 879] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 879] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 879] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 879] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 879] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 879] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0}./strace-static-x86_64: Process 880 attached => {parent_tid=[590]}, 88) = 590 [pid 880] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 880] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 880] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 879] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 879] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 880] <... futex resumed>) = 0 [pid 880] memfd_create("syzkaller", 0) = 3 [pid 880] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b723d000 [pid 879] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 879] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43b721c000 [pid 879] mprotect(0x7f43b721d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 880] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 879] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 880] <... write resumed>) = 131072 [pid 879] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43b723c990, parent_tid=0x7f43b723c990, exit_signal=0, stack=0x7f43b721c000, stack_size=0x20240, tls=0x7f43b723c6c0} [pid 880] munmap(0x7f43b723d000, 138412032) = 0 [pid 880] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 880] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 880] ioctl(4, LOOP_CLR_FD) = 0 ./strace-static-x86_64: Process 881 attached [pid 881] set_robust_list(0x7f43b723c9a0, 24) = 0 [pid 881] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 881] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 879] <... clone3 resumed> => {parent_tid=[591]}, 88) = 591 [pid 879] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 880] ioctl(4, LOOP_SET_FD, 3 [pid 879] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000 [pid 880] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 880] close(4) = 0 [pid 879] <... futex resumed>) = 1 [pid 880] close(3) = 0 [pid 879] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 880] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 880] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 881] <... futex resumed>) = 0 [pid 881] openat(AT_FDCWD, "/selinux/policy", O_RDONLY) = 3 [pid 881] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 879] <... futex resumed>) = 0 [pid 879] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 880] <... futex resumed>) = 0 [pid 879] <... futex resumed>) = 1 [pid 880] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0 [pid 879] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 880] <... mmap resumed>) = 0x200000000000 [pid 880] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 879] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 880] <... futex resumed>) = 0 [pid 880] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 879] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 880] <... futex resumed>) = 0 [pid 879] <... futex resumed>) = 1 [pid 880] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 880] mkdirat(AT_FDCWD, 0x200000000280, 0117 [pid 879] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 880] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 880] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 879] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 880] <... futex resumed>) = 0 [pid 879] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 880] creat(0x200000000040, 000 [pid 879] <... futex resumed>) = 0 [pid 880] <... creat resumed>) = 4 [pid 879] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 880] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 879] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 880] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 879] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 880] <... futex resumed>) = 0 [pid 879] <... futex resumed>) = 1 [pid 880] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL [pid 879] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 880] <... mount resumed>) = 0 [pid 880] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 880] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 879] <... futex resumed>) = 0 [pid 879] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 880] <... futex resumed>) = 0 [pid 879] <... futex resumed>) = 1 [pid 880] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c [pid 879] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 880] <... open resumed>) = 5 [pid 880] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 879] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 880] <... futex resumed>) = 0 [pid 880] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 879] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000 [pid 880] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 880] write(5, 0x200000000080, 34136651 [pid 879] <... futex resumed>) = 0 [pid 881] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 880] <... write resumed>) = 131072 [pid 879] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 880] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 879] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 879] close(3 [pid 880] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 879] <... close resumed>) = 0 [pid 879] close(4) = 0 [pid 879] close(5) = 0 [pid 879] close(6) = -1 EBADF (Bad file descriptor) [pid 879] close(7) = -1 EBADF (Bad file descriptor) [pid 879] close(8) = -1 EBADF (Bad file descriptor) [pid 879] close(9) = -1 EBADF (Bad file descriptor) [pid 879] close(10) = -1 EBADF (Bad file descriptor) [pid 879] close(11) = -1 EBADF (Bad file descriptor) [pid 879] close(12) = -1 EBADF (Bad file descriptor) [pid 879] close(13) = -1 EBADF (Bad file descriptor) [pid 879] close(14) = -1 EBADF (Bad file descriptor) [pid 879] close(15) = -1 EBADF (Bad file descriptor) [pid 879] close(16) = -1 EBADF (Bad file descriptor) [pid 879] close(17) = -1 EBADF (Bad file descriptor) [pid 879] close(18) = -1 EBADF (Bad file descriptor) [pid 879] close(19) = -1 EBADF (Bad file descriptor) [pid 879] close(20) = -1 EBADF (Bad file descriptor) [pid 879] close(21) = -1 EBADF (Bad file descriptor) [pid 879] close(22) = -1 EBADF (Bad file descriptor) [pid 879] close(23) = -1 EBADF (Bad file descriptor) [pid 879] close(24) = -1 EBADF (Bad file descriptor) [pid 879] close(25) = -1 EBADF (Bad file descriptor) [pid 879] close(26) = -1 EBADF (Bad file descriptor) [pid 879] close(27) = -1 EBADF (Bad file descriptor) [pid 879] close(28) = -1 EBADF (Bad file descriptor) [pid 879] close(29) = -1 EBADF (Bad file descriptor) [pid 879] exit_group(0 [pid 880] <... futex resumed>) = ? [pid 880] +++ exited with 0 +++ [pid 879] <... exit_group resumed>) = ? [pid 881] <... futex resumed>) = ? [pid 881] +++ exited with 0 +++ [pid 879] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=589, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 882 attached , child_tidptr=0x55555756f750) = 592 [pid 882] set_robust_list(0x55555756f760, 24) = 0 [pid 882] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 882] setpgid(0, 0) = 0 [pid 882] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 882] write(3, "1000", 4) = 4 [pid 882] close(3executing program ) = 0 [pid 882] write(1, "executing program\n", 18) = 18 [pid 882] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 882] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 882] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 882] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 882] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 882] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 882] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0} => {parent_tid=[593]}, 88) = 593 [pid 882] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 882] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 882] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 882] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf61c000 [pid 882] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 882] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 882] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0}./strace-static-x86_64: Process 884 attached => {parent_tid=[594]}, 88) = 594 [pid 884] set_robust_list(0x7f43bf63c9a0, 24 [pid 882] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 882] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 882] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 883 attached [pid 883] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 883] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 884] <... set_robust_list resumed>) = 0 [pid 883] memfd_create("syzkaller", 0) = 3 [pid 883] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b721c000 [pid 884] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 884] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 883] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 883] munmap(0x7f43b721c000, 138412032) = 0 [pid 883] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 883] ioctl(5, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 883] ioctl(5, LOOP_CLR_FD) = 0 [pid 883] ioctl(5, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 883] close(5) = 0 [pid 883] close(3) = 0 [pid 883] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 883] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 884] <... openat resumed>) = 4 [pid 884] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 882] <... futex resumed>) = 0 [pid 882] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 882] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 883] <... futex resumed>) = 0 [pid 883] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 4, 0 [pid 884] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 883] <... mmap resumed>) = 0x200000000000 [pid 883] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 882] <... futex resumed>) = 0 [pid 882] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 882] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 883] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 883] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 883] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 882] <... futex resumed>) = 0 [pid 883] <... futex resumed>) = 1 [pid 882] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 883] creat(0x200000000040, 000 [pid 882] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 883] <... creat resumed>) = 3 [pid 883] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 882] <... futex resumed>) = 0 [pid 882] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 882] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 883] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 883] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 882] <... futex resumed>) = 0 [pid 882] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 882] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 883] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 883] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 882] <... futex resumed>) = 0 [pid 882] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 882] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 883] write(5, 0x200000000080, 34136651) = 131072 [pid 883] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 882] <... futex resumed>) = 0 [pid 882] close(3) = 0 [pid 882] close(4) = 0 [pid 882] close(5) = 0 [pid 882] close(6) = -1 EBADF (Bad file descriptor) [pid 882] close(7) = -1 EBADF (Bad file descriptor) [pid 882] close(8) = -1 EBADF (Bad file descriptor) [pid 882] close(9) = -1 EBADF (Bad file descriptor) [pid 882] close(10) = -1 EBADF (Bad file descriptor) [pid 882] close(11) = -1 EBADF (Bad file descriptor) [pid 882] close(12) = -1 EBADF (Bad file descriptor) [pid 882] close(13) = -1 EBADF (Bad file descriptor) [pid 882] close(14) = -1 EBADF (Bad file descriptor) [pid 882] close(15) = -1 EBADF (Bad file descriptor) [pid 882] close(16) = -1 EBADF (Bad file descriptor) [pid 882] close(17) = -1 EBADF (Bad file descriptor) [pid 882] close(18) = -1 EBADF (Bad file descriptor) [pid 882] close(19) = -1 EBADF (Bad file descriptor) [pid 882] close(20) = -1 EBADF (Bad file descriptor) [pid 882] close(21) = -1 EBADF (Bad file descriptor) [pid 882] close(22) = -1 EBADF (Bad file descriptor) [pid 882] close(23) = -1 EBADF (Bad file descriptor) [pid 882] close(24) = -1 EBADF (Bad file descriptor) [pid 882] close(25) = -1 EBADF (Bad file descriptor) [pid 882] close(26) = -1 EBADF (Bad file descriptor) [pid 882] close(27) = -1 EBADF (Bad file descriptor) [pid 882] close(28) = -1 EBADF (Bad file descriptor) [pid 882] close(29) = -1 EBADF (Bad file descriptor) [pid 882] exit_group(0) = ? [pid 884] <... futex resumed>) = ? [pid 884] +++ exited with 0 +++ [pid 883] +++ exited with 0 +++ [pid 882] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=592, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 885 attached , child_tidptr=0x55555756f750) = 595 [pid 885] set_robust_list(0x55555756f760, 24) = 0 [pid 885] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 885] setpgid(0, 0) = 0 [pid 885] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 885] write(3, "1000", 4) = 4 [pid 885] close(3) = 0 [pid 885] write(1, "executing program\n", 18executing program ) = 18 [pid 885] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 885] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 885] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 885] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 885] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 885] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 885] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0}./strace-static-x86_64: Process 886 attached => {parent_tid=[596]}, 88) = 596 [pid 886] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 886] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 886] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 885] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 885] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 886] <... futex resumed>) = 0 [pid 886] memfd_create("syzkaller", 0 [pid 885] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 886] <... memfd_create resumed>) = 3 [pid 885] <... futex resumed>) = 0 [pid 886] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 885] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 886] <... mmap resumed>) = 0x7f43b723d000 [pid 885] <... mmap resumed>) = 0x7f43b721c000 [pid 885] mprotect(0x7f43b721d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 885] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 885] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43b723c990, parent_tid=0x7f43b723c990, exit_signal=0, stack=0x7f43b721c000, stack_size=0x20240, tls=0x7f43b723c6c0}./strace-static-x86_64: Process 887 attached => {parent_tid=[597]}, 88) = 597 [pid 885] rt_sigprocmask(SIG_SETMASK, [], [pid 887] set_robust_list(0x7f43b723c9a0, 24 [pid 885] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 885] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000 [pid 887] <... set_robust_list resumed>) = 0 [pid 885] <... futex resumed>) = 0 [pid 887] rt_sigprocmask(SIG_SETMASK, [], [pid 885] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 887] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 887] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 886] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 886] munmap(0x7f43b723d000, 138412032) = 0 [pid 886] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 886] ioctl(5, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 886] ioctl(5, LOOP_CLR_FD) = 0 [pid 886] ioctl(5, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 886] close(5) = 0 [pid 886] close(3) = 0 [pid 886] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 886] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 887] <... openat resumed>) = 4 [pid 887] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 885] <... futex resumed>) = 0 [pid 885] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 885] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 886] <... futex resumed>) = 0 [pid 886] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 4, 0 [pid 887] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 886] <... mmap resumed>) = 0x200000000000 [pid 886] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 885] <... futex resumed>) = 0 [pid 885] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 885] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 886] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 886] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 886] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 885] <... futex resumed>) = 0 [pid 885] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 885] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 886] creat(0x200000000040, 000) = 3 [pid 886] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 885] <... futex resumed>) = 0 [pid 885] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 885] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 886] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 886] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 885] <... futex resumed>) = 0 [pid 885] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 885] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 886] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 886] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 885] <... futex resumed>) = 0 [pid 885] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 885] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 886] write(5, 0x200000000080, 34136651) = 131072 [pid 886] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 885] <... futex resumed>) = 0 [pid 885] close(3) = 0 [pid 885] close(4) = 0 [pid 885] close(5) = 0 [pid 885] close(6) = -1 EBADF (Bad file descriptor) [pid 885] close(7) = -1 EBADF (Bad file descriptor) [pid 885] close(8) = -1 EBADF (Bad file descriptor) [pid 885] close(9) = -1 EBADF (Bad file descriptor) [pid 885] close(10) = -1 EBADF (Bad file descriptor) [pid 885] close(11) = -1 EBADF (Bad file descriptor) [pid 885] close(12) = -1 EBADF (Bad file descriptor) [pid 885] close(13) = -1 EBADF (Bad file descriptor) [pid 885] close(14) = -1 EBADF (Bad file descriptor) [pid 885] close(15) = -1 EBADF (Bad file descriptor) [pid 885] close(16) = -1 EBADF (Bad file descriptor) [pid 885] close(17) = -1 EBADF (Bad file descriptor) [pid 885] close(18) = -1 EBADF (Bad file descriptor) [pid 885] close(19) = -1 EBADF (Bad file descriptor) [pid 885] close(20) = -1 EBADF (Bad file descriptor) [pid 885] close(21) = -1 EBADF (Bad file descriptor) [pid 885] close(22) = -1 EBADF (Bad file descriptor) [pid 885] close(23) = -1 EBADF (Bad file descriptor) [pid 885] close(24) = -1 EBADF (Bad file descriptor) [pid 885] close(25) = -1 EBADF (Bad file descriptor) [pid 885] close(26) = -1 EBADF (Bad file descriptor) [pid 885] close(27) = -1 EBADF (Bad file descriptor) [pid 885] close(28) = -1 EBADF (Bad file descriptor) [pid 885] close(29) = -1 EBADF (Bad file descriptor) [pid 885] exit_group(0) = ? [pid 887] <... futex resumed>) = ? [pid 886] +++ exited with 0 +++ [pid 887] +++ exited with 0 +++ [pid 885] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=595, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756f750) = 598 ./strace-static-x86_64: Process 888 attached [pid 888] set_robust_list(0x55555756f760, 24) = 0 [pid 888] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 888] setpgid(0, 0) = 0 [pid 888] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 888] write(3, "1000", 4) = 4 [pid 888] close(3executing program ) = 0 [pid 888] write(1, "executing program\n", 18) = 18 [pid 888] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 888] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 888] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 888] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 888] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 888] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 888] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0}./strace-static-x86_64: Process 889 attached => {parent_tid=[599]}, 88) = 599 [pid 888] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 888] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 888] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 888] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf61c000 [pid 888] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 888] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 888] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0} => {parent_tid=[600]}, 88) = 600 [pid 888] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 888] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 888] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 890 attached [pid 890] set_robust_list(0x7f43bf63c9a0, 24) = 0 [pid 890] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 890] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 889] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 889] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 889] memfd_create("syzkaller", 0) = 4 [pid 889] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b721c000 [pid 889] write(4, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 889] munmap(0x7f43b721c000, 138412032) = 0 [pid 889] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 889] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy) [pid 889] ioctl(5, LOOP_CLR_FD) = 0 [pid 890] <... openat resumed>) = 3 [pid 890] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 888] <... futex resumed>) = 0 [pid 888] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 888] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 890] <... futex resumed>) = 1 [pid 890] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x200000000000 [pid 890] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 888] <... futex resumed>) = 0 [pid 888] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 888] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 890] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 890] mkdirat(AT_FDCWD, 0x200000000280, 0117 [pid 889] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy) [pid 889] close(5) = 0 [pid 889] close(4 [pid 890] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 890] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 888] <... futex resumed>) = 0 [pid 890] <... futex resumed>) = 1 [pid 888] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 888] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 889] <... close resumed>) = 0 [pid 889] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 889] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 890] creat(0x200000000040, 000) = 4 [pid 890] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 888] <... futex resumed>) = 0 [pid 888] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 888] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 889] <... futex resumed>) = 0 [pid 889] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL [pid 890] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 889] <... mount resumed>) = 0 [pid 889] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 888] <... futex resumed>) = 0 [pid 889] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c [pid 888] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 888] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 889] <... open resumed>) = 5 [pid 889] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 888] <... futex resumed>) = 0 [pid 889] write(5, 0x200000000080, 34136651 [pid 888] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 888] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 889] <... write resumed>) = 131072 [pid 889] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 888] <... futex resumed>) = 0 [pid 889] <... futex resumed>) = 1 [pid 888] close(3) = 0 [pid 888] close(4) = 0 [pid 888] close(5) = 0 [pid 888] close(6) = -1 EBADF (Bad file descriptor) [pid 888] close(7) = -1 EBADF (Bad file descriptor) [pid 888] close(8) = -1 EBADF (Bad file descriptor) [pid 888] close(9) = -1 EBADF (Bad file descriptor) [pid 888] close(10) = -1 EBADF (Bad file descriptor) [pid 888] close(11) = -1 EBADF (Bad file descriptor) [pid 888] close(12) = -1 EBADF (Bad file descriptor) [pid 888] close(13) = -1 EBADF (Bad file descriptor) [pid 888] close(14) = -1 EBADF (Bad file descriptor) [pid 888] close(15) = -1 EBADF (Bad file descriptor) [pid 888] close(16) = -1 EBADF (Bad file descriptor) [pid 888] close(17 [pid 889] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 888] close(18) = -1 EBADF (Bad file descriptor) [pid 888] close(19) = -1 EBADF (Bad file descriptor) [pid 888] close(20) = -1 EBADF (Bad file descriptor) [pid 888] close(21) = -1 EBADF (Bad file descriptor) [pid 888] close(22) = -1 EBADF (Bad file descriptor) [pid 888] close(23) = -1 EBADF (Bad file descriptor) [pid 888] close(24) = -1 EBADF (Bad file descriptor) [pid 888] close(25) = -1 EBADF (Bad file descriptor) [pid 888] close(26) = -1 EBADF (Bad file descriptor) [pid 888] close(27) = -1 EBADF (Bad file descriptor) [pid 888] close(28) = -1 EBADF (Bad file descriptor) [pid 888] close(29) = -1 EBADF (Bad file descriptor) [pid 888] exit_group(0) = ? [pid 890] <... futex resumed>) = ? [pid 890] +++ exited with 0 +++ [pid 889] <... futex resumed>) = ? [pid 889] +++ exited with 0 +++ [pid 888] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=598, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756f750) = 601 ./strace-static-x86_64: Process 891 attached [pid 891] set_robust_list(0x55555756f760, 24) = 0 [pid 891] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 891] setpgid(0, 0) = 0 [pid 891] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 891] write(3, "1000", 4) = 4 [pid 891] close(3) = 0 [pid 891] write(1, "executing program\n", 18executing program ) = 18 [pid 891] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 891] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 891] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 891] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 891] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 891] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 891] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0}./strace-static-x86_64: Process 892 attached => {parent_tid=[602]}, 88) = 602 [pid 892] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 892] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 892] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 891] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 891] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 892] <... futex resumed>) = 0 [pid 892] memfd_create("syzkaller", 0) = 3 [pid 891] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 892] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b723d000 [pid 891] <... futex resumed>) = 0 [pid 891] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43b721c000 [pid 891] mprotect(0x7f43b721d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 891] rt_sigprocmask(SIG_BLOCK, ~[], [pid 892] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 891] <... rt_sigprocmask resumed>[], 8) = 0 [pid 891] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43b723c990, parent_tid=0x7f43b723c990, exit_signal=0, stack=0x7f43b721c000, stack_size=0x20240, tls=0x7f43b723c6c0} [pid 892] <... write resumed>) = 131072 ./strace-static-x86_64: Process 893 attached [pid 892] munmap(0x7f43b723d000, 138412032 [pid 891] <... clone3 resumed> => {parent_tid=[603]}, 88) = 603 [pid 893] set_robust_list(0x7f43b723c9a0, 24 [pid 892] <... munmap resumed>) = 0 [pid 892] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 892] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 892] ioctl(4, LOOP_CLR_FD) = 0 [pid 891] rt_sigprocmask(SIG_SETMASK, [], [pid 893] <... set_robust_list resumed>) = 0 [pid 891] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 893] rt_sigprocmask(SIG_SETMASK, [], [pid 891] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000 [pid 893] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 891] <... futex resumed>) = 0 [pid 893] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 891] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 892] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 892] close(4) = 0 [pid 892] close(3) = 0 [pid 892] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 892] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 893] <... openat resumed>) = 5 [pid 893] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 891] <... futex resumed>) = 0 [pid 891] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 891] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 892] <... futex resumed>) = 0 [pid 892] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 5, 0 [pid 893] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 892] <... mmap resumed>) = 0x200000000000 [pid 892] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 891] <... futex resumed>) = 0 [pid 891] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 891] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 892] <... futex resumed>) = 1 [pid 892] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 892] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 892] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 891] <... futex resumed>) = 0 [pid 891] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 891] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 892] <... futex resumed>) = 1 [pid 892] creat(0x200000000040, 000) = 3 [pid 892] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 891] <... futex resumed>) = 0 [pid 891] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 891] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 892] <... futex resumed>) = 1 [pid 892] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 892] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 891] <... futex resumed>) = 0 [pid 891] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 891] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 892] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 4 [pid 892] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 891] <... futex resumed>) = 0 [pid 891] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 891] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 892] write(4, 0x200000000080, 34136651) = 131072 [pid 892] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 891] <... futex resumed>) = 0 [pid 892] futex(0x7f43bf72a608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 891] close(3) = 0 [pid 891] close(4) = 0 [pid 891] close(5) = 0 [pid 891] close(6) = -1 EBADF (Bad file descriptor) [pid 891] close(7) = -1 EBADF (Bad file descriptor) [pid 891] close(8) = -1 EBADF (Bad file descriptor) [pid 891] close(9) = -1 EBADF (Bad file descriptor) [pid 891] close(10) = -1 EBADF (Bad file descriptor) [pid 891] close(11) = -1 EBADF (Bad file descriptor) [pid 891] close(12) = -1 EBADF (Bad file descriptor) [pid 891] close(13) = -1 EBADF (Bad file descriptor) [pid 891] close(14) = -1 EBADF (Bad file descriptor) [pid 891] close(15) = -1 EBADF (Bad file descriptor) [pid 891] close(16) = -1 EBADF (Bad file descriptor) [pid 891] close(17) = -1 EBADF (Bad file descriptor) [pid 891] close(18) = -1 EBADF (Bad file descriptor) [pid 891] close(19) = -1 EBADF (Bad file descriptor) [pid 891] close(20) = -1 EBADF (Bad file descriptor) [pid 891] close(21) = -1 EBADF (Bad file descriptor) [pid 891] close(22) = -1 EBADF (Bad file descriptor) [pid 891] close(23) = -1 EBADF (Bad file descriptor) [pid 891] close(24) = -1 EBADF (Bad file descriptor) [pid 891] close(25) = -1 EBADF (Bad file descriptor) [pid 891] close(26) = -1 EBADF (Bad file descriptor) [pid 891] close(27) = -1 EBADF (Bad file descriptor) [pid 891] close(28) = -1 EBADF (Bad file descriptor) [pid 891] close(29) = -1 EBADF (Bad file descriptor) [pid 891] exit_group(0) = ? [pid 892] <... futex resumed>) = ? [pid 893] <... futex resumed>) = ? [pid 893] +++ exited with 0 +++ [pid 892] +++ exited with 0 +++ [pid 891] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=601, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = 0 [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555756f750) = 604 ./strace-static-x86_64: Process 894 attached [pid 894] set_robust_list(0x55555756f760, 24) = 0 [pid 894] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 894] setpgid(0, 0) = 0 [pid 894] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 894] write(3, "1000", 4) = 4 [pid 894] close(3) = 0 [pid 894] write(1, "executing program\n", 18executing program ) = 18 [pid 894] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 894] rt_sigaction(SIGRT_1, {sa_handler=0x7f43bf6c6f60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f43bf670bd0}, NULL, 8) = 0 [pid 894] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 894] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf63d000 [pid 894] mprotect(0x7f43bf63e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 894] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 894] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf65d990, parent_tid=0x7f43bf65d990, exit_signal=0, stack=0x7f43bf63d000, stack_size=0x20240, tls=0x7f43bf65d6c0} => {parent_tid=[605]}, 88) = 605 [pid 894] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 894] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 894] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 894] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f43bf61c000 [pid 894] mprotect(0x7f43bf61d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 894] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 894] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f43bf63c990, parent_tid=0x7f43bf63c990, exit_signal=0, stack=0x7f43bf61c000, stack_size=0x20240, tls=0x7f43bf63c6c0}./strace-static-x86_64: Process 896 attached => {parent_tid=[606]}, 88) = 606 [pid 894] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 894] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 894] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 895 attached [pid 895] set_robust_list(0x7f43bf65d9a0, 24) = 0 [pid 895] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 896] set_robust_list(0x7f43bf63c9a0, 24 [pid 895] memfd_create("syzkaller", 0 [pid 896] <... set_robust_list resumed>) = 0 [pid 895] <... memfd_create resumed>) = 3 [pid 896] rt_sigprocmask(SIG_SETMASK, [], [pid 895] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 896] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 896] openat(AT_FDCWD, "/selinux/policy", O_RDONLY [pid 895] <... mmap resumed>) = 0x7f43b721c000 [pid 895] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 895] munmap(0x7f43b721c000, 138412032) = 0 [pid 895] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 895] ioctl(5, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 895] ioctl(5, LOOP_CLR_FD) = 0 [pid 895] ioctl(5, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 895] close(5 [pid 896] <... openat resumed>) = 4 [pid 896] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 895] <... close resumed>) = 0 [pid 896] <... futex resumed>) = 1 [pid 895] close(3 [pid 894] <... futex resumed>) = 0 [pid 894] futex(0x7f43bf72a618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 894] futex(0x7f43bf72a61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 896] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_PRIVATE|MAP_FIXED, 4, 0) = 0x200000000000 [pid 896] futex(0x7f43bf72a61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 895] <... close resumed>) = 0 [pid 896] <... futex resumed>) = 1 [pid 895] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 894] <... futex resumed>) = 0 [pid 894] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 894] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 896] futex(0x7f43bf72a618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 895] <... futex resumed>) = 1 [pid 894] <... futex resumed>) = 0 [pid 894] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 895] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x200000000280} --- [pid 895] mkdirat(AT_FDCWD, 0x200000000280, 0117) = -1 EEXIST (File exists) [pid 895] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 894] <... futex resumed>) = 0 [pid 894] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 894] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 895] creat(0x200000000040, 000) = 3 [pid 895] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 894] <... futex resumed>) = 0 [pid 894] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 894] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 895] mount(0x200000000180, 0x200000000140, NULL, MS_BIND, NULL) = 0 [pid 895] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 894] <... futex resumed>) = 0 [pid 894] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 894] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 895] open(0x200000000000, O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 895] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 894] <... futex resumed>) = 0 [pid 894] futex(0x7f43bf72a608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 894] futex(0x7f43bf72a60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 895] write(5, 0x200000000080, 34136651) = 131072 [pid 895] futex(0x7f43bf72a60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 894] <... futex resumed>) = 0 [pid 894] close(3) = 0 [pid 894] close(4) = 0 [pid 894] close(5) = 0 [pid 894] close(6) = -1 EBADF (Bad file descriptor) [pid 894] close(7) = -1 EBADF (Bad file descriptor) [pid 894] close(8) = -1 EBADF (Bad file descriptor) [pid 894] close(9) = -1 EBADF (Bad file descriptor) [pid 894] close(10) = -1 EBADF (Bad file descriptor) [pid 894] close(11) = -1 EBADF (Bad file descriptor) [pid 894] close(12) = -1 EBADF (Bad file descriptor) [pid 894] close(13) = -1 EBADF (Bad file descriptor) [pid 894] close(14) = -1 EBADF (Bad file descriptor) [pid 894] close(15) = -1 EBADF (Bad file descriptor) [pid 894] close(16) = -1 EBADF (Bad file descriptor) [pid 894] close(17) = -1 EBADF (Bad file descriptor) [pid 894] close(18) = -1 EBADF (Bad file descriptor) [pid 894] close(19) = -1 EBADF (Bad file descriptor) [pid 894] close(20) = -1 EBADF (Bad file descriptor) [pid 894] close(21) = -1 EBADF (Bad file descriptor) [pid 894] close(22) = -1 EBADF (Bad file descriptor) [pid 894] close(23) = -1 EBADF (Bad file descriptor) [pid 894] close(24) = -1 EBADF (Bad file descriptor) [pid 894] close(25) = -1 EBADF (Bad file descriptor) [pid 894] close(26) = -1 EBADF (Bad file descriptor) [pid 894] close(27) = -1 EBADF (Bad file descriptor) [pid 894] close(28) = -1 EBADF (Bad file descriptor) [pid 894] close(29) = -1 EBADF (Bad file descriptor) [pid 894] exit_group(0) = ? [pid 896] <... futex resumed>) = ? [pid 896] +++ exited with 0 +++ [pid 895] +++ exited with 0 +++ [pid 894] +++ exited with 0 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=604, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---