./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3173717532 <...> Warning: Permanently added '10.128.0.133' (ED25519) to the list of known hosts. execve("./syz-executor3173717532", ["./syz-executor3173717532"], 0x7ffe7c4bec60 /* 10 vars */) = 0 brk(NULL) = 0x555555cdf000 brk(0x555555cdfd40) = 0x555555cdfd40 arch_prctl(ARCH_SET_FS, 0x555555cdf3c0) = 0 set_tid_address(0x555555cdf690) = 5036 set_robust_list(0x555555cdf6a0, 24) = 0 rseq(0x555555cdfce0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3173717532", 4096) = 28 getrandom("\xfa\x99\x4a\xf7\x7d\x5b\x51\x95", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555555cdfd40 brk(0x555555d00d40) = 0x555555d00d40 brk(0x555555d01000) = 0x555555d01000 mprotect(0x7fd0d7925000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 unshare(CLONE_NEWPID) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cdf690) = 5037 ./strace-static-x86_64: Process 5037 attached [pid 5037] set_robust_list(0x555555cdf6a0, 24) = 0 [pid 5037] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5037] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5037] setsid() = 1 [pid 5037] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5037] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5037] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5037] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5037] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5037] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5037] unshare(CLONE_NEWNS) = 0 [pid 5037] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5037] unshare(CLONE_NEWIPC) = 0 [pid 5037] unshare(CLONE_NEWCGROUP) = 0 [pid 5037] unshare(CLONE_NEWUTS) = 0 [pid 5037] unshare(CLONE_SYSVSEM) = 0 [pid 5037] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5037] write(3, "16777216", 8) = 8 [pid 5037] close(3) = 0 [pid 5037] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5037] write(3, "536870912", 9) = 9 [pid 5037] close(3) = 0 [pid 5037] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5037] write(3, "1024", 4) = 4 [pid 5037] close(3) = 0 [pid 5037] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5037] write(3, "8192", 4) = 4 [pid 5037] close(3) = 0 [pid 5037] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5037] write(3, "1024", 4) = 4 [pid 5037] close(3) = 0 [pid 5037] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5037] write(3, "1024", 4) = 4 [pid 5037] close(3) = 0 [pid 5037] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5037] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5037] close(3) = 0 [pid 5037] getpid() = 1 [pid 5037] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< {parent_tid=[3]}, 88) = 3 [pid 5040] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5041 attached NULL, 8) = 0 [pid 5041] rseq(0x7fd0d7851fe0, 0x20, 0, 0x53053053) = 0 [pid 5040] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5041] set_robust_list(0x7fd0d78519a0, 24) = 0 [pid 5040] <... futex resumed>) = 0 [pid 5040] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5041] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5041] memfd_create("syzkaller", 0) = 3 [pid 5041] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0cf431000 [ 68.372774][ T5041] syz-executor317[5041]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5041] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 67108864) = 67108864 [pid 5041] munmap(0x7fd0cf431000, 67108864) = 0 [pid 5041] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5041] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5041] close(3) = 0 [pid 5041] mkdir("./file0", 0777) = 0 [ 68.989278][ T5041] loop0: detected capacity change from 0 to 131072 [ 69.001059][ T5041] F2FS-fs (loop0): invalid crc value [ 69.009095][ T5041] F2FS-fs (loop0): Found nat_bits in checkpoint [pid 5041] mount("/dev/loop0", "./file0", "f2fs", MS_SYNCHRONOUS, "nodiscard,noinline_dentry,nouser_xattr,fastboot,noacl,inline_data,mode=lfs,") = 0 [pid 5041] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5041] chdir("./file0") = 0 [pid 5041] ioctl(4, LOOP_CLR_FD) = 0 [pid 5041] close(4) = 0 [pid 5041] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5041] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5040] <... futex resumed>) = 0 [pid 5040] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5041] <... futex resumed>) = 0 [pid 5040] <... futex resumed>) = 1 [pid 5041] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [ 69.049132][ T5041] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e4 [pid 5040] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5040] futex(0x7fd0d792b5fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5040] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5041] <... mmap resumed>) = 0x20000000 [pid 5041] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5041] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5040] <... mmap resumed>) = 0x7fd0d3410000 [pid 5040] mprotect(0x7fd0d3411000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5040] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5040] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d3430990, parent_tid=0x7fd0d3430990, exit_signal=0, stack=0x7fd0d3410000, stack_size=0x20300, tls=0x7fd0d34306c0} => {parent_tid=[4]}, 88) = 4 [pid 5040] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5040] futex(0x7fd0d792b5f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5040] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5045 attached [pid 5045] rseq(0x7fd0d3430fe0, 0x20, 0, 0x53053053) = 0 [pid 5045] set_robust_list(0x7fd0d34309a0, 24) = 0 [pid 5045] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5045] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5046 attached [pid 5046] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5040] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5040] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5040] close(3) = 0 [pid 5040] close(4) = -1 EBADF (Bad file descriptor) [pid 5040] close(5) = -1 EBADF (Bad file descriptor) [pid 5040] close(6) = -1 EBADF (Bad file descriptor) [pid 5040] close(7) = -1 EBADF (Bad file descriptor) [pid 5040] close(8) = -1 EBADF (Bad file descriptor) [pid 5040] close(9) = -1 EBADF (Bad file descriptor) [pid 5040] close(10) = -1 EBADF (Bad file descriptor) [pid 5040] close(11) = -1 EBADF (Bad file descriptor) [pid 5040] close(12) = -1 EBADF (Bad file descriptor) [pid 5040] close(13) = -1 EBADF (Bad file descriptor) [pid 5040] close(14) = -1 EBADF (Bad file descriptor) [pid 5040] close(15) = -1 EBADF (Bad file descriptor) [pid 5040] close(16) = -1 EBADF (Bad file descriptor) [pid 5040] close(17) = -1 EBADF (Bad file descriptor) [pid 5040] close(18) = -1 EBADF (Bad file descriptor) [pid 5040] close(19) = -1 EBADF (Bad file descriptor) [pid 5040] close(20) = -1 EBADF (Bad file descriptor) [pid 5040] close(21) = -1 EBADF (Bad file descriptor) [pid 5040] close(22) = -1 EBADF (Bad file descriptor) [pid 5040] close(23) = -1 EBADF (Bad file descriptor) [pid 5040] close(24) = -1 EBADF (Bad file descriptor) [pid 5040] close(25) = -1 EBADF (Bad file descriptor) [pid 5040] close(26) = -1 EBADF (Bad file descriptor) [pid 5040] close(27) = -1 EBADF (Bad file descriptor) [pid 5040] close(28) = -1 EBADF (Bad file descriptor) [pid 5040] close(29) = -1 EBADF (Bad file descriptor) [pid 5040] exit_group(0) = ? [pid 5041] <... futex resumed>) = ? [pid 5045] <... clone resumed>) = ? [pid 5041] +++ exited with 0 +++ [pid 5045] +++ exited with 0 +++ [pid 5040] +++ exited with 0 +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=17 /* 0.17 s */, si_stime=63 /* 0.63 s */} --- [pid 5037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5037] ioctl(3, LOOP_CLR_FD) = 0 [pid 5037] close(3) = 0 [pid 5037] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5047 attached [pid 5047] set_robust_list(0x555555cdf6a0, 24 [pid 5037] <... clone resumed>, child_tidptr=0x555555cdf690) = 6 [pid 5047] <... set_robust_list resumed>) = 0 [pid 5047] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5047] setpgid(0, 0) = 0 [pid 5047] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5047] write(3, "1000", 4) = 4 [pid 5047] close(3) = 0 [pid 5047] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5047] rt_sigaction(SIGRT_1, {sa_handler=0x7fd0d78ba680, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0d78abd30}, NULL, 8) = 0 [pid 5047] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5047] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d7831000 [pid 5047] mprotect(0x7fd0d7832000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5047] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5047] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d7851990, parent_tid=0x7fd0d7851990, exit_signal=0, stack=0x7fd0d7831000, stack_size=0x20300, tls=0x7fd0d78516c0}./strace-static-x86_64: Process 5048 attached [pid 5048] rseq(0x7fd0d7851fe0, 0x20, 0, 0x53053053 [pid 5047] <... clone3 resumed> => {parent_tid=[7]}, 88) = 7 [pid 5048] <... rseq resumed>) = 0 [pid 5047] rt_sigprocmask(SIG_SETMASK, [], [pid 5048] set_robust_list(0x7fd0d78519a0, 24 [pid 5047] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5048] <... set_robust_list resumed>) = 0 [pid 5047] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5048] rt_sigprocmask(SIG_SETMASK, [], [pid 5047] <... futex resumed>) = 0 [pid 5048] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5048] memfd_create("syzkaller", 0 [pid 5047] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5048] <... memfd_create resumed>) = 3 [pid 5048] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0cf431000 [ 69.433132][ T5048] syz-executor317[5048]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5048] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 67108864) = 67108864 [pid 5048] munmap(0x7fd0cf431000, 67108864) = 0 [pid 5048] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5048] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5048] ioctl(4, LOOP_CLR_FD) = 0 [pid 5048] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5048] close(4) = 0 [pid 5048] close(3) = 0 [pid 5048] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5047] <... futex resumed>) = 0 [pid 5047] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5048] <... futex resumed>) = 1 [pid 5048] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5047] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5047] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5047] futex(0x7fd0d792b5fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5047] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5048] <... mmap resumed>) = 0x20000000 [pid 5047] <... mmap resumed>) = 0x7fd0d3410000 [pid 5048] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5047] mprotect(0x7fd0d3411000, 131072, PROT_READ|PROT_WRITE [pid 5048] <... futex resumed>) = 0 [pid 5047] <... mprotect resumed>) = 0 [pid 5047] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5047] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d3430990, parent_tid=0x7fd0d3430990, exit_signal=0, stack=0x7fd0d3410000, stack_size=0x20300, tls=0x7fd0d34306c0}./strace-static-x86_64: Process 5049 attached [pid 5049] rseq(0x7fd0d3430fe0, 0x20, 0, 0x53053053 [pid 5047] <... clone3 resumed> => {parent_tid=[8]}, 88) = 8 [pid 5049] <... rseq resumed>) = 0 [pid 5047] rt_sigprocmask(SIG_SETMASK, [], [pid 5049] set_robust_list(0x7fd0d34309a0, 24 [pid 5047] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5049] <... set_robust_list resumed>) = 0 [pid 5047] futex(0x7fd0d792b5f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5049] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5047] <... futex resumed>) = 0 [pid 5049] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO [pid 5047] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5048] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5050 attached [pid 5050] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5047] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5047] close(3) = -1 EBADF (Bad file descriptor) [pid 5047] close(4) = -1 EBADF (Bad file descriptor) [pid 5047] close(5) = -1 EBADF (Bad file descriptor) [pid 5047] close(6) = -1 EBADF (Bad file descriptor) [pid 5047] close(7) = -1 EBADF (Bad file descriptor) [pid 5047] close(8) = -1 EBADF (Bad file descriptor) [pid 5047] close(9) = -1 EBADF (Bad file descriptor) [pid 5047] close(10) = -1 EBADF (Bad file descriptor) [pid 5047] close(11) = -1 EBADF (Bad file descriptor) [pid 5047] close(12) = -1 EBADF (Bad file descriptor) [pid 5047] close(13) = -1 EBADF (Bad file descriptor) [pid 5047] close(14) = -1 EBADF (Bad file descriptor) [pid 5047] close(15) = -1 EBADF (Bad file descriptor) [pid 5047] close(16) = -1 EBADF (Bad file descriptor) [pid 5047] close(17) = -1 EBADF (Bad file descriptor) [pid 5047] close(18) = -1 EBADF (Bad file descriptor) [pid 5047] close(19) = -1 EBADF (Bad file descriptor) [pid 5047] close(20) = -1 EBADF (Bad file descriptor) [pid 5047] close(21) = -1 EBADF (Bad file descriptor) [pid 5047] close(22) = -1 EBADF (Bad file descriptor) [pid 5047] close(23) = -1 EBADF (Bad file descriptor) [pid 5047] close(24) = -1 EBADF (Bad file descriptor) [pid 5047] close(25) = -1 EBADF (Bad file descriptor) [pid 5047] close(26) = -1 EBADF (Bad file descriptor) [pid 5047] close(27) = -1 EBADF (Bad file descriptor) [pid 5047] close(28) = -1 EBADF (Bad file descriptor) [pid 5047] close(29) = -1 EBADF (Bad file descriptor) [pid 5047] exit_group(0) = ? [pid 5049] <... clone resumed>) = ? [pid 5048] <... futex resumed>) = ? [pid 5048] +++ exited with 0 +++ [pid 5049] +++ exited with 0 +++ [pid 5047] +++ exited with 0 +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6, si_uid=0, si_status=0, si_utime=29 /* 0.29 s */, si_stime=120 /* 1.20 s */} --- [pid 5037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5037] ioctl(3, LOOP_CLR_FD) = 0 [pid 5037] close(3) = 0 [pid 5037] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cdf690) = 10 ./strace-static-x86_64: Process 5051 attached [pid 5051] set_robust_list(0x555555cdf6a0, 24) = 0 [pid 5051] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5051] setpgid(0, 0) = 0 [pid 5051] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5051] write(3, "1000", 4) = 4 [pid 5051] close(3) = 0 [pid 5051] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5051] rt_sigaction(SIGRT_1, {sa_handler=0x7fd0d78ba680, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0d78abd30}, NULL, 8) = 0 [pid 5051] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5051] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d7831000 [pid 5051] mprotect(0x7fd0d7832000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5051] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5051] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d7851990, parent_tid=0x7fd0d7851990, exit_signal=0, stack=0x7fd0d7831000, stack_size=0x20300, tls=0x7fd0d78516c0} => {parent_tid=[11]}, 88) = 11 [pid 5051] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5051] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5051] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5052 attached [pid 5052] rseq(0x7fd0d7851fe0, 0x20, 0, 0x53053053) = 0 [pid 5052] set_robust_list(0x7fd0d78519a0, 24) = 0 [pid 5052] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5052] memfd_create("syzkaller", 0) = 3 [pid 5052] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0cf431000 [ 71.267946][ T5052] syz-executor317[5052]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5050] +++ killed by SIGSEGV (core dumped) +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=9, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=40 /* 0.40 s */} --- [pid 5052] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 67108864) = 67108864 [pid 5052] munmap(0x7fd0cf431000, 67108864) = 0 [pid 5052] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5052] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5052] ioctl(4, LOOP_CLR_FD) = 0 [pid 5052] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5052] close(4) = 0 [pid 5052] close(3) = 0 [pid 5052] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] <... futex resumed>) = 0 [pid 5051] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5051] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5052] <... futex resumed>) = 1 [pid 5052] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5051] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5051] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5051] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5051] futex(0x7fd0d792b5fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5051] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d3410000 [pid 5051] mprotect(0x7fd0d3411000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5051] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5051] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d3430990, parent_tid=0x7fd0d3430990, exit_signal=0, stack=0x7fd0d3410000, stack_size=0x20300, tls=0x7fd0d34306c0}./strace-static-x86_64: Process 5053 attached => {parent_tid=[12]}, 88) = 12 [pid 5051] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5053] rseq(0x7fd0d3430fe0, 0x20, 0, 0x53053053) = 0 [pid 5051] futex(0x7fd0d792b5f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] set_robust_list(0x7fd0d34309a0, 24 [pid 5051] <... futex resumed>) = 0 [pid 5053] <... set_robust_list resumed>) = 0 [pid 5051] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5053] rt_sigprocmask(SIG_SETMASK, [], [pid 5052] <... mmap resumed>) = 0x20000000 [pid 5053] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5053] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO [pid 5052] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5052] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5054 attached [pid 5054] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5051] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5051] close(3) = -1 EBADF (Bad file descriptor) [pid 5051] close(4) = -1 EBADF (Bad file descriptor) [pid 5051] close(5) = -1 EBADF (Bad file descriptor) [pid 5051] close(6) = -1 EBADF (Bad file descriptor) [pid 5051] close(7) = -1 EBADF (Bad file descriptor) [pid 5051] close(8) = -1 EBADF (Bad file descriptor) [pid 5051] close(9) = -1 EBADF (Bad file descriptor) [pid 5051] close(10) = -1 EBADF (Bad file descriptor) [pid 5051] close(11) = -1 EBADF (Bad file descriptor) [pid 5051] close(12) = -1 EBADF (Bad file descriptor) [pid 5051] close(13) = -1 EBADF (Bad file descriptor) [pid 5051] close(14) = -1 EBADF (Bad file descriptor) [pid 5051] close(15) = -1 EBADF (Bad file descriptor) [pid 5051] close(16) = -1 EBADF (Bad file descriptor) [pid 5051] close(17) = -1 EBADF (Bad file descriptor) [pid 5051] close(18) = -1 EBADF (Bad file descriptor) [pid 5051] close(19) = -1 EBADF (Bad file descriptor) [pid 5051] close(20) = -1 EBADF (Bad file descriptor) [pid 5051] close(21) = -1 EBADF (Bad file descriptor) [pid 5051] close(22) = -1 EBADF (Bad file descriptor) [pid 5051] close(23) = -1 EBADF (Bad file descriptor) [pid 5051] close(24) = -1 EBADF (Bad file descriptor) [pid 5051] close(25) = -1 EBADF (Bad file descriptor) [pid 5051] close(26) = -1 EBADF (Bad file descriptor) [pid 5051] close(27) = -1 EBADF (Bad file descriptor) [pid 5051] close(28) = -1 EBADF (Bad file descriptor) [pid 5051] close(29) = -1 EBADF (Bad file descriptor) [pid 5051] exit_group(0 [pid 5052] <... futex resumed>) = ? [pid 5051] <... exit_group resumed>) = ? [pid 5053] <... clone resumed>) = ? [pid 5052] +++ exited with 0 +++ [pid 5053] +++ exited with 0 +++ [pid 5051] +++ exited with 0 +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10, si_uid=0, si_status=0, si_utime=25 /* 0.25 s */, si_stime=117 /* 1.17 s */} --- [pid 5037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5037] ioctl(3, LOOP_CLR_FD) = 0 [pid 5037] close(3) = 0 [pid 5037] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5055 attached , child_tidptr=0x555555cdf690) = 14 [pid 5055] set_robust_list(0x555555cdf6a0, 24) = 0 [pid 5055] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5055] setpgid(0, 0) = 0 [pid 5055] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5055] write(3, "1000", 4) = 4 [pid 5055] close(3) = 0 [pid 5055] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5055] rt_sigaction(SIGRT_1, {sa_handler=0x7fd0d78ba680, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0d78abd30}, NULL, 8) = 0 [pid 5055] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5055] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d7831000 [pid 5055] mprotect(0x7fd0d7832000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5055] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5055] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d7851990, parent_tid=0x7fd0d7851990, exit_signal=0, stack=0x7fd0d7831000, stack_size=0x20300, tls=0x7fd0d78516c0}./strace-static-x86_64: Process 5056 attached => {parent_tid=[15]}, 88) = 15 [pid 5056] rseq(0x7fd0d7851fe0, 0x20, 0, 0x53053053 [pid 5055] rt_sigprocmask(SIG_SETMASK, [], [pid 5056] <... rseq resumed>) = 0 [pid 5055] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5056] set_robust_list(0x7fd0d78519a0, 24 [pid 5055] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] <... set_robust_list resumed>) = 0 [pid 5055] <... futex resumed>) = 0 [pid 5056] rt_sigprocmask(SIG_SETMASK, [], [pid 5055] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5056] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5056] memfd_create("syzkaller", 0) = 3 [pid 5056] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0cf431000 [ 73.239864][ T5056] syz-executor317[5056]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5054] +++ killed by SIGSEGV (core dumped) +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=13, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=58 /* 0.58 s */} --- [pid 5056] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 67108864) = 67108864 [pid 5056] munmap(0x7fd0cf431000, 67108864) = 0 [pid 5056] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5056] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5056] ioctl(4, LOOP_CLR_FD) = 0 [pid 5056] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5056] close(4) = 0 [pid 5056] close(3) = 0 [pid 5056] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5055] <... futex resumed>) = 0 [pid 5056] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5055] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5055] <... futex resumed>) = 0 [pid 5055] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5055] futex(0x7fd0d792b5fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5055] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5056] <... mmap resumed>) = 0x20000000 [pid 5055] <... mmap resumed>) = 0x7fd0d3410000 [pid 5055] mprotect(0x7fd0d3411000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5055] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5055] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d3430990, parent_tid=0x7fd0d3430990, exit_signal=0, stack=0x7fd0d3410000, stack_size=0x20300, tls=0x7fd0d34306c0} [pid 5056] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5056] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5057 attached [pid 5057] rseq(0x7fd0d3430fe0, 0x20, 0, 0x53053053 [pid 5055] <... clone3 resumed> => {parent_tid=[16]}, 88) = 16 [pid 5057] <... rseq resumed>) = 0 [pid 5055] rt_sigprocmask(SIG_SETMASK, [], [pid 5057] set_robust_list(0x7fd0d34309a0, 24 [pid 5055] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5057] <... set_robust_list resumed>) = 0 [pid 5055] futex(0x7fd0d792b5f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5057] rt_sigprocmask(SIG_SETMASK, [], [pid 5055] <... futex resumed>) = 0 [pid 5057] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5055] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5057] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5058 attached [pid 5058] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5055] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5055] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5055] close(3) = -1 EBADF (Bad file descriptor) [pid 5055] close(4) = -1 EBADF (Bad file descriptor) [pid 5055] close(5) = -1 EBADF (Bad file descriptor) [pid 5055] close(6) = -1 EBADF (Bad file descriptor) [pid 5055] close(7) = -1 EBADF (Bad file descriptor) [pid 5055] close(8) = -1 EBADF (Bad file descriptor) [pid 5055] close(9) = -1 EBADF (Bad file descriptor) [pid 5055] close(10) = -1 EBADF (Bad file descriptor) [pid 5055] close(11) = -1 EBADF (Bad file descriptor) [pid 5055] close(12) = -1 EBADF (Bad file descriptor) [pid 5055] close(13) = -1 EBADF (Bad file descriptor) [pid 5055] close(14) = -1 EBADF (Bad file descriptor) [pid 5055] close(15) = -1 EBADF (Bad file descriptor) [pid 5055] close(16) = -1 EBADF (Bad file descriptor) [pid 5055] close(17) = -1 EBADF (Bad file descriptor) [pid 5055] close(18) = -1 EBADF (Bad file descriptor) [pid 5055] close(19) = -1 EBADF (Bad file descriptor) [pid 5055] close(20) = -1 EBADF (Bad file descriptor) [pid 5055] close(21) = -1 EBADF (Bad file descriptor) [pid 5055] close(22) = -1 EBADF (Bad file descriptor) [pid 5055] close(23) = -1 EBADF (Bad file descriptor) [pid 5055] close(24) = -1 EBADF (Bad file descriptor) [pid 5055] close(25) = -1 EBADF (Bad file descriptor) [pid 5055] close(26) = -1 EBADF (Bad file descriptor) [pid 5055] close(27) = -1 EBADF (Bad file descriptor) [pid 5055] close(28) = -1 EBADF (Bad file descriptor) [pid 5055] close(29) = -1 EBADF (Bad file descriptor) [pid 5055] exit_group(0) = ? [pid 5056] <... futex resumed>) = ? [pid 5057] <... clone resumed>) = ? [pid 5056] +++ exited with 0 +++ [pid 5057] +++ exited with 0 +++ [pid 5055] +++ exited with 0 +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14, si_uid=0, si_status=0, si_utime=33 /* 0.33 s */, si_stime=117 /* 1.17 s */} --- [pid 5037] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5037] ioctl(3, LOOP_CLR_FD) = 0 [pid 5037] close(3) = 0 [pid 5037] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cdf690) = 18 ./strace-static-x86_64: Process 5059 attached [pid 5059] set_robust_list(0x555555cdf6a0, 24) = 0 [pid 5059] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5059] setpgid(0, 0) = 0 [pid 5059] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5059] write(3, "1000", 4) = 4 [pid 5059] close(3) = 0 [pid 5059] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5059] rt_sigaction(SIGRT_1, {sa_handler=0x7fd0d78ba680, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0d78abd30}, NULL, 8) = 0 [pid 5059] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5059] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d7831000 [pid 5059] mprotect(0x7fd0d7832000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5059] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5059] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d7851990, parent_tid=0x7fd0d7851990, exit_signal=0, stack=0x7fd0d7831000, stack_size=0x20300, tls=0x7fd0d78516c0}./strace-static-x86_64: Process 5060 attached => {parent_tid=[19]}, 88) = 19 [pid 5060] rseq(0x7fd0d7851fe0, 0x20, 0, 0x53053053 [pid 5059] rt_sigprocmask(SIG_SETMASK, [], [pid 5060] <... rseq resumed>) = 0 [pid 5059] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5060] set_robust_list(0x7fd0d78519a0, 24) = 0 [pid 5059] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] rt_sigprocmask(SIG_SETMASK, [], [pid 5059] <... futex resumed>) = 0 [pid 5060] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5059] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5060] memfd_create("syzkaller", 0) = 3 [pid 5060] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0cf431000 [ 75.320111][ T5060] syz-executor317[5060]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5058] +++ killed by SIGSEGV (core dumped) +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=17, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=50 /* 0.50 s */} --- [pid 5037] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5060] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 67108864) = 67108864 [pid 5060] munmap(0x7fd0cf431000, 67108864) = 0 [pid 5060] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5060] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5060] ioctl(4, LOOP_CLR_FD) = 0 [pid 5060] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5060] close(4) = 0 [pid 5060] close(3) = 0 [pid 5060] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5060] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5059] <... futex resumed>) = 0 [pid 5059] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5059] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5060] <... futex resumed>) = 0 [pid 5060] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5059] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5059] futex(0x7fd0d792b5fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5059] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d3410000 [pid 5060] <... mmap resumed>) = 0x20000000 [pid 5060] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5059] mprotect(0x7fd0d3411000, 131072, PROT_READ|PROT_WRITE [pid 5060] <... futex resumed>) = 0 [pid 5060] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5059] <... mprotect resumed>) = 0 [pid 5059] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5059] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d3430990, parent_tid=0x7fd0d3430990, exit_signal=0, stack=0x7fd0d3410000, stack_size=0x20300, tls=0x7fd0d34306c0}./strace-static-x86_64: Process 5061 attached [pid 5061] rseq(0x7fd0d3430fe0, 0x20, 0, 0x53053053) = 0 [pid 5059] <... clone3 resumed> => {parent_tid=[20]}, 88) = 20 [pid 5061] set_robust_list(0x7fd0d34309a0, 24) = 0 [pid 5059] rt_sigprocmask(SIG_SETMASK, [], [pid 5061] rt_sigprocmask(SIG_SETMASK, [], [pid 5059] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5061] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5061] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO [pid 5059] futex(0x7fd0d792b5f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5059] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5062 attached [pid 5062] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5059] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5059] close(3) = -1 EBADF (Bad file descriptor) [pid 5059] close(4) = -1 EBADF (Bad file descriptor) [pid 5059] close(5) = -1 EBADF (Bad file descriptor) [pid 5059] close(6) = -1 EBADF (Bad file descriptor) [pid 5059] close(7) = -1 EBADF (Bad file descriptor) [pid 5059] close(8) = -1 EBADF (Bad file descriptor) [pid 5059] close(9) = -1 EBADF (Bad file descriptor) [pid 5059] close(10) = -1 EBADF (Bad file descriptor) [pid 5059] close(11) = -1 EBADF (Bad file descriptor) [pid 5059] close(12) = -1 EBADF (Bad file descriptor) [pid 5059] close(13) = -1 EBADF (Bad file descriptor) [pid 5059] close(14) = -1 EBADF (Bad file descriptor) [pid 5059] close(15) = -1 EBADF (Bad file descriptor) [pid 5059] close(16) = -1 EBADF (Bad file descriptor) [pid 5059] close(17) = -1 EBADF (Bad file descriptor) [pid 5059] close(18) = -1 EBADF (Bad file descriptor) [pid 5059] close(19) = -1 EBADF (Bad file descriptor) [pid 5059] close(20) = -1 EBADF (Bad file descriptor) [pid 5059] close(21) = -1 EBADF (Bad file descriptor) [pid 5059] close(22) = -1 EBADF (Bad file descriptor) [pid 5059] close(23) = -1 EBADF (Bad file descriptor) [pid 5059] close(24) = -1 EBADF (Bad file descriptor) [pid 5059] close(25) = -1 EBADF (Bad file descriptor) [pid 5059] close(26) = -1 EBADF (Bad file descriptor) [pid 5059] close(27) = -1 EBADF (Bad file descriptor) [pid 5059] close(28) = -1 EBADF (Bad file descriptor) [pid 5059] close(29) = -1 EBADF (Bad file descriptor) [pid 5059] exit_group(0 [pid 5060] <... futex resumed>) = ? [pid 5061] <... clone resumed>) = ? [pid 5059] <... exit_group resumed>) = ? [pid 5061] +++ exited with 0 +++ [pid 5060] +++ exited with 0 +++ [pid 5059] +++ exited with 0 +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18, si_uid=0, si_status=0, si_utime=28 /* 0.28 s */, si_stime=116 /* 1.16 s */} --- [pid 5037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5037] ioctl(3, LOOP_CLR_FD) = 0 [pid 5037] close(3) = 0 [pid 5037] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cdf690) = 22 ./strace-static-x86_64: Process 5063 attached [pid 5063] set_robust_list(0x555555cdf6a0, 24) = 0 [pid 5063] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5063] setpgid(0, 0) = 0 [pid 5063] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5063] write(3, "1000", 4) = 4 [pid 5063] close(3) = 0 [pid 5063] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5063] rt_sigaction(SIGRT_1, {sa_handler=0x7fd0d78ba680, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0d78abd30}, NULL, 8) = 0 [pid 5063] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5063] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d7831000 [pid 5063] mprotect(0x7fd0d7832000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5063] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5063] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d7851990, parent_tid=0x7fd0d7851990, exit_signal=0, stack=0x7fd0d7831000, stack_size=0x20300, tls=0x7fd0d78516c0} => {parent_tid=[23]}, 88) = 23 [pid 5063] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5063] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5063] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5064 attached [pid 5064] rseq(0x7fd0d7851fe0, 0x20, 0, 0x53053053) = 0 [pid 5064] set_robust_list(0x7fd0d78519a0, 24) = 0 [pid 5064] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5064] memfd_create("syzkaller", 0) = 3 [pid 5064] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0cf431000 [ 77.401081][ T5064] syz-executor317[5064]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5062] +++ killed by SIGSEGV (core dumped) +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=21, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=49 /* 0.49 s */} --- [pid 5037] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5064] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 67108864) = 67108864 [pid 5064] munmap(0x7fd0cf431000, 67108864) = 0 [pid 5064] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5064] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5064] ioctl(4, LOOP_CLR_FD) = 0 [pid 5064] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5064] close(4) = 0 [pid 5064] close(3) = 0 [pid 5064] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5063] <... futex resumed>) = 0 [pid 5063] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5063] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5064] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5063] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5063] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5063] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5063] futex(0x7fd0d792b5fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5063] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5064] <... mmap resumed>) = 0x20000000 [pid 5063] <... mmap resumed>) = 0x7fd0d3410000 [pid 5063] mprotect(0x7fd0d3411000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5063] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5064] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5063] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5063] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d3430990, parent_tid=0x7fd0d3430990, exit_signal=0, stack=0x7fd0d3410000, stack_size=0x20300, tls=0x7fd0d34306c0}./strace-static-x86_64: Process 5065 attached => {parent_tid=[24]}, 88) = 24 [pid 5065] rseq(0x7fd0d3430fe0, 0x20, 0, 0x53053053) = 0 [pid 5063] rt_sigprocmask(SIG_SETMASK, [], [pid 5065] set_robust_list(0x7fd0d34309a0, 24 [pid 5063] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5065] <... set_robust_list resumed>) = 0 [pid 5063] futex(0x7fd0d792b5f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] rt_sigprocmask(SIG_SETMASK, [], [pid 5063] <... futex resumed>) = 0 [pid 5065] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5063] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO [pid 5064] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5066 attached [pid 5066] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5063] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5063] close(3) = -1 EBADF (Bad file descriptor) [pid 5063] close(4) = -1 EBADF (Bad file descriptor) [pid 5063] close(5) = -1 EBADF (Bad file descriptor) [pid 5063] close(6) = -1 EBADF (Bad file descriptor) [pid 5063] close(7) = -1 EBADF (Bad file descriptor) [pid 5063] close(8) = -1 EBADF (Bad file descriptor) [pid 5063] close(9) = -1 EBADF (Bad file descriptor) [pid 5063] close(10) = -1 EBADF (Bad file descriptor) [pid 5063] close(11) = -1 EBADF (Bad file descriptor) [pid 5063] close(12) = -1 EBADF (Bad file descriptor) [pid 5063] close(13) = -1 EBADF (Bad file descriptor) [pid 5063] close(14) = -1 EBADF (Bad file descriptor) [pid 5063] close(15) = -1 EBADF (Bad file descriptor) [pid 5063] close(16) = -1 EBADF (Bad file descriptor) [pid 5063] close(17) = -1 EBADF (Bad file descriptor) [pid 5063] close(18) = -1 EBADF (Bad file descriptor) [pid 5063] close(19) = -1 EBADF (Bad file descriptor) [pid 5063] close(20) = -1 EBADF (Bad file descriptor) [pid 5063] close(21) = -1 EBADF (Bad file descriptor) [pid 5063] close(22) = -1 EBADF (Bad file descriptor) [pid 5063] close(23) = -1 EBADF (Bad file descriptor) [pid 5063] close(24) = -1 EBADF (Bad file descriptor) [pid 5063] close(25) = -1 EBADF (Bad file descriptor) [pid 5063] close(26) = -1 EBADF (Bad file descriptor) [pid 5063] close(27) = -1 EBADF (Bad file descriptor) [pid 5063] close(28) = -1 EBADF (Bad file descriptor) [pid 5063] close(29) = -1 EBADF (Bad file descriptor) [pid 5063] exit_group(0) = ? [pid 5064] <... futex resumed>) = ? [pid 5065] <... clone resumed>) = ? [pid 5065] +++ exited with 0 +++ [pid 5064] +++ exited with 0 +++ [pid 5063] +++ exited with 0 +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22, si_uid=0, si_status=0, si_utime=36 /* 0.36 s */, si_stime=111 /* 1.11 s */} --- [pid 5037] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5037] ioctl(3, LOOP_CLR_FD) = 0 [pid 5037] close(3) = 0 [pid 5037] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cdf690) = 26 ./strace-static-x86_64: Process 5067 attached [pid 5067] set_robust_list(0x555555cdf6a0, 24) = 0 [pid 5067] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5067] setpgid(0, 0) = 0 [pid 5067] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5067] write(3, "1000", 4) = 4 [pid 5067] close(3) = 0 [pid 5067] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5067] rt_sigaction(SIGRT_1, {sa_handler=0x7fd0d78ba680, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0d78abd30}, NULL, 8) = 0 [pid 5067] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5067] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d7831000 [pid 5067] mprotect(0x7fd0d7832000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5067] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5067] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d7851990, parent_tid=0x7fd0d7851990, exit_signal=0, stack=0x7fd0d7831000, stack_size=0x20300, tls=0x7fd0d78516c0}./strace-static-x86_64: Process 5068 attached [pid 5068] rseq(0x7fd0d7851fe0, 0x20, 0, 0x53053053) = 0 [pid 5068] set_robust_list(0x7fd0d78519a0, 24 [pid 5067] <... clone3 resumed> => {parent_tid=[27]}, 88) = 27 [pid 5067] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5067] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5067] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5068] <... set_robust_list resumed>) = 0 [pid 5068] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5068] memfd_create("syzkaller", 0) = 3 [pid 5068] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0cf431000 [ 79.538130][ T5068] syz-executor317[5068]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5066] +++ killed by SIGSEGV (core dumped) +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=25, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=46 /* 0.46 s */} --- [pid 5068] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 67108864) = 67108864 [pid 5068] munmap(0x7fd0cf431000, 67108864) = 0 [pid 5068] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5068] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5068] ioctl(4, LOOP_CLR_FD) = 0 [pid 5068] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5068] close(4) = 0 [pid 5068] close(3) = 0 [pid 5068] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5067] <... futex resumed>) = 0 [pid 5067] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5067] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5067] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5067] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5067] futex(0x7fd0d792b5fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5067] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5068] <... mmap resumed>) = 0x20000000 [pid 5068] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5068] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5067] <... mmap resumed>) = 0x7fd0d3410000 [pid 5067] mprotect(0x7fd0d3411000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5067] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5067] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d3430990, parent_tid=0x7fd0d3430990, exit_signal=0, stack=0x7fd0d3410000, stack_size=0x20300, tls=0x7fd0d34306c0}./strace-static-x86_64: Process 5069 attached => {parent_tid=[28]}, 88) = 28 [pid 5069] rseq(0x7fd0d3430fe0, 0x20, 0, 0x53053053 [pid 5067] rt_sigprocmask(SIG_SETMASK, [], [pid 5069] <... rseq resumed>) = 0 [pid 5067] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5067] futex(0x7fd0d792b5f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] set_robust_list(0x7fd0d34309a0, 24) = 0 [pid 5067] <... futex resumed>) = 0 [pid 5067] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5069] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5070 attached [pid 5070] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5067] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5067] close(3) = -1 EBADF (Bad file descriptor) [pid 5067] close(4) = -1 EBADF (Bad file descriptor) [pid 5067] close(5) = -1 EBADF (Bad file descriptor) [pid 5067] close(6) = -1 EBADF (Bad file descriptor) [pid 5067] close(7) = -1 EBADF (Bad file descriptor) [pid 5067] close(8) = -1 EBADF (Bad file descriptor) [pid 5067] close(9) = -1 EBADF (Bad file descriptor) [pid 5067] close(10) = -1 EBADF (Bad file descriptor) [pid 5067] close(11) = -1 EBADF (Bad file descriptor) [pid 5067] close(12) = -1 EBADF (Bad file descriptor) [pid 5067] close(13) = -1 EBADF (Bad file descriptor) [pid 5067] close(14) = -1 EBADF (Bad file descriptor) [pid 5067] close(15) = -1 EBADF (Bad file descriptor) [pid 5067] close(16) = -1 EBADF (Bad file descriptor) [pid 5067] close(17) = -1 EBADF (Bad file descriptor) [pid 5067] close(18) = -1 EBADF (Bad file descriptor) [pid 5067] close(19) = -1 EBADF (Bad file descriptor) [pid 5067] close(20) = -1 EBADF (Bad file descriptor) [pid 5067] close(21) = -1 EBADF (Bad file descriptor) [pid 5067] close(22) = -1 EBADF (Bad file descriptor) [pid 5067] close(23) = -1 EBADF (Bad file descriptor) [pid 5067] close(24) = -1 EBADF (Bad file descriptor) [pid 5067] close(25) = -1 EBADF (Bad file descriptor) [pid 5067] close(26) = -1 EBADF (Bad file descriptor) [pid 5067] close(27) = -1 EBADF (Bad file descriptor) [pid 5067] close(28) = -1 EBADF (Bad file descriptor) [pid 5067] close(29) = -1 EBADF (Bad file descriptor) [pid 5067] exit_group(0 [pid 5069] <... clone resumed>) = ? [pid 5068] <... futex resumed>) = ? [pid 5067] <... exit_group resumed>) = ? [pid 5069] +++ exited with 0 +++ [pid 5068] +++ exited with 0 +++ [pid 5067] +++ exited with 0 +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26, si_uid=0, si_status=0, si_utime=29 /* 0.29 s */, si_stime=121 /* 1.21 s */} --- [pid 5037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5037] ioctl(3, LOOP_CLR_FD) = 0 [pid 5037] close(3) = 0 [pid 5037] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cdf690) = 30 ./strace-static-x86_64: Process 5071 attached [pid 5071] set_robust_list(0x555555cdf6a0, 24) = 0 [pid 5071] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5071] setpgid(0, 0) = 0 [pid 5071] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5071] write(3, "1000", 4) = 4 [pid 5071] close(3) = 0 [pid 5071] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5071] rt_sigaction(SIGRT_1, {sa_handler=0x7fd0d78ba680, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0d78abd30}, NULL, 8) = 0 [pid 5071] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5071] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d7831000 [pid 5071] mprotect(0x7fd0d7832000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5071] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5071] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d7851990, parent_tid=0x7fd0d7851990, exit_signal=0, stack=0x7fd0d7831000, stack_size=0x20300, tls=0x7fd0d78516c0} => {parent_tid=[31]}, 88) = 31 [pid 5071] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5072 attached NULL, 8) = 0 [pid 5071] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5071] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5072] rseq(0x7fd0d7851fe0, 0x20, 0, 0x53053053) = 0 [pid 5072] set_robust_list(0x7fd0d78519a0, 24) = 0 [pid 5072] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5072] memfd_create("syzkaller", 0) = 3 [pid 5072] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0cf431000 [ 81.577945][ T5072] syz-executor317[5072]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5070] +++ killed by SIGSEGV (core dumped) +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=29, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=51 /* 0.51 s */} --- [pid 5072] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 67108864) = 67108864 [pid 5072] munmap(0x7fd0cf431000, 67108864) = 0 [pid 5072] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5072] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5072] ioctl(4, LOOP_CLR_FD) = 0 [pid 5072] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5072] close(4) = 0 [pid 5072] close(3) = 0 [pid 5072] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5072] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5071] <... futex resumed>) = 0 [pid 5072] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5071] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5071] <... futex resumed>) = 0 [pid 5071] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5071] futex(0x7fd0d792b5fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5071] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5072] <... mmap resumed>) = 0x20000000 [pid 5071] <... mmap resumed>) = 0x7fd0d3410000 [pid 5072] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] mprotect(0x7fd0d3411000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5071] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5071] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d3430990, parent_tid=0x7fd0d3430990, exit_signal=0, stack=0x7fd0d3410000, stack_size=0x20300, tls=0x7fd0d34306c0}./strace-static-x86_64: Process 5073 attached [pid 5073] rseq(0x7fd0d3430fe0, 0x20, 0, 0x53053053 [pid 5071] <... clone3 resumed> => {parent_tid=[32]}, 88) = 32 [pid 5073] <... rseq resumed>) = 0 [pid 5071] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5073] set_robust_list(0x7fd0d34309a0, 24 [pid 5071] futex(0x7fd0d792b5f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5073] <... set_robust_list resumed>) = 0 [pid 5073] rt_sigprocmask(SIG_SETMASK, [], [pid 5071] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5073] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5073] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO [pid 5072] <... futex resumed>) = 0 [pid 5072] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5074 attached [pid 5074] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5071] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5071] close(3) = -1 EBADF (Bad file descriptor) [pid 5071] close(4) = -1 EBADF (Bad file descriptor) [pid 5071] close(5) = -1 EBADF (Bad file descriptor) [pid 5071] close(6) = -1 EBADF (Bad file descriptor) [pid 5071] close(7) = -1 EBADF (Bad file descriptor) [pid 5071] close(8) = -1 EBADF (Bad file descriptor) [pid 5071] close(9) = -1 EBADF (Bad file descriptor) [pid 5071] close(10) = -1 EBADF (Bad file descriptor) [pid 5071] close(11) = -1 EBADF (Bad file descriptor) [pid 5071] close(12) = -1 EBADF (Bad file descriptor) [pid 5071] close(13) = -1 EBADF (Bad file descriptor) [pid 5071] close(14) = -1 EBADF (Bad file descriptor) [pid 5071] close(15) = -1 EBADF (Bad file descriptor) [pid 5071] close(16) = -1 EBADF (Bad file descriptor) [pid 5071] close(17) = -1 EBADF (Bad file descriptor) [pid 5071] close(18) = -1 EBADF (Bad file descriptor) [pid 5071] close(19) = -1 EBADF (Bad file descriptor) [pid 5071] close(20) = -1 EBADF (Bad file descriptor) [pid 5071] close(21) = -1 EBADF (Bad file descriptor) [pid 5071] close(22) = -1 EBADF (Bad file descriptor) [pid 5071] close(23) = -1 EBADF (Bad file descriptor) [pid 5071] close(24) = -1 EBADF (Bad file descriptor) [pid 5071] close(25) = -1 EBADF (Bad file descriptor) [pid 5071] close(26) = -1 EBADF (Bad file descriptor) [pid 5071] close(27) = -1 EBADF (Bad file descriptor) [pid 5071] close(28) = -1 EBADF (Bad file descriptor) [pid 5071] close(29) = -1 EBADF (Bad file descriptor) [pid 5071] exit_group(0) = ? [pid 5073] <... clone resumed>) = ? [pid 5073] +++ exited with 0 +++ [pid 5072] <... futex resumed>) = ? [pid 5072] +++ exited with 0 +++ [pid 5071] +++ exited with 0 +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=30, si_uid=0, si_status=0, si_utime=28 /* 0.28 s */, si_stime=115 /* 1.15 s */} --- [pid 5037] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5037] ioctl(3, LOOP_CLR_FD) = 0 [pid 5037] close(3) = 0 [pid 5037] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cdf690) = 34 ./strace-static-x86_64: Process 5075 attached [pid 5075] set_robust_list(0x555555cdf6a0, 24) = 0 [pid 5075] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5075] setpgid(0, 0) = 0 [pid 5075] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5075] write(3, "1000", 4) = 4 [pid 5075] close(3) = 0 [pid 5075] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5075] rt_sigaction(SIGRT_1, {sa_handler=0x7fd0d78ba680, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0d78abd30}, NULL, 8) = 0 [pid 5075] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5075] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d7831000 [pid 5075] mprotect(0x7fd0d7832000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5075] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5075] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d7851990, parent_tid=0x7fd0d7851990, exit_signal=0, stack=0x7fd0d7831000, stack_size=0x20300, tls=0x7fd0d78516c0} => {parent_tid=[35]}, 88) = 35 [pid 5075] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5075] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5075] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5076 attached [pid 5076] rseq(0x7fd0d7851fe0, 0x20, 0, 0x53053053) = 0 [pid 5076] set_robust_list(0x7fd0d78519a0, 24) = 0 [pid 5076] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5076] memfd_create("syzkaller", 0) = 3 [pid 5076] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0cf431000 [ 83.721226][ T5076] syz-executor317[5076]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5074] +++ killed by SIGSEGV (core dumped) +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=33, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=44 /* 0.44 s */} --- [pid 5037] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5076] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 67108864) = 67108864 [pid 5076] munmap(0x7fd0cf431000, 67108864) = 0 [pid 5076] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5076] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5076] ioctl(4, LOOP_CLR_FD) = 0 [pid 5076] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5076] close(4) = 0 [pid 5076] close(3) = 0 [pid 5076] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5075] <... futex resumed>) = 0 [pid 5075] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5075] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5076] <... futex resumed>) = 1 [pid 5076] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5075] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5075] futex(0x7fd0d792b5fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5075] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d3410000 [pid 5076] <... mmap resumed>) = 0x20000000 [pid 5075] mprotect(0x7fd0d3411000, 131072, PROT_READ|PROT_WRITE [pid 5076] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5075] <... mprotect resumed>) = 0 [pid 5076] <... futex resumed>) = 0 [pid 5076] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5075] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5075] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d3430990, parent_tid=0x7fd0d3430990, exit_signal=0, stack=0x7fd0d3410000, stack_size=0x20300, tls=0x7fd0d34306c0} => {parent_tid=[36]}, 88) = 36 [pid 5075] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5075] futex(0x7fd0d792b5f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5075] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5077 attached [pid 5077] rseq(0x7fd0d3430fe0, 0x20, 0, 0x53053053) = 0 [pid 5077] set_robust_list(0x7fd0d34309a0, 24) = 0 [pid 5077] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5077] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5078 attached [pid 5078] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5075] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5075] close(3) = -1 EBADF (Bad file descriptor) [pid 5075] close(4) = -1 EBADF (Bad file descriptor) [pid 5075] close(5) = -1 EBADF (Bad file descriptor) [pid 5075] close(6) = -1 EBADF (Bad file descriptor) [pid 5075] close(7) = -1 EBADF (Bad file descriptor) [pid 5075] close(8) = -1 EBADF (Bad file descriptor) [pid 5075] close(9) = -1 EBADF (Bad file descriptor) [pid 5075] close(10) = -1 EBADF (Bad file descriptor) [pid 5075] close(11) = -1 EBADF (Bad file descriptor) [pid 5075] close(12) = -1 EBADF (Bad file descriptor) [pid 5075] close(13) = -1 EBADF (Bad file descriptor) [pid 5075] close(14) = -1 EBADF (Bad file descriptor) [pid 5075] close(15) = -1 EBADF (Bad file descriptor) [pid 5075] close(16) = -1 EBADF (Bad file descriptor) [pid 5075] close(17) = -1 EBADF (Bad file descriptor) [pid 5075] close(18) = -1 EBADF (Bad file descriptor) [pid 5075] close(19) = -1 EBADF (Bad file descriptor) [pid 5075] close(20) = -1 EBADF (Bad file descriptor) [pid 5075] close(21) = -1 EBADF (Bad file descriptor) [pid 5075] close(22) = -1 EBADF (Bad file descriptor) [pid 5075] close(23) = -1 EBADF (Bad file descriptor) [pid 5075] close(24) = -1 EBADF (Bad file descriptor) [pid 5075] close(25) = -1 EBADF (Bad file descriptor) [pid 5075] close(26) = -1 EBADF (Bad file descriptor) [pid 5075] close(27) = -1 EBADF (Bad file descriptor) [pid 5075] close(28) = -1 EBADF (Bad file descriptor) [pid 5075] close(29) = -1 EBADF (Bad file descriptor) [pid 5075] exit_group(0) = ? [pid 5077] <... clone resumed>) = ? [pid 5077] +++ exited with 0 +++ [pid 5076] <... futex resumed>) = ? [pid 5076] +++ exited with 0 +++ [pid 5075] +++ exited with 0 +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=34, si_uid=0, si_status=0, si_utime=33 /* 0.33 s */, si_stime=106 /* 1.06 s */} --- [pid 5037] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5037] ioctl(3, LOOP_CLR_FD) = 0 [pid 5037] close(3) = 0 [pid 5037] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cdf690) = 38 ./strace-static-x86_64: Process 5079 attached [pid 5079] set_robust_list(0x555555cdf6a0, 24) = 0 [pid 5079] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5079] setpgid(0, 0) = 0 [pid 5079] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5079] write(3, "1000", 4) = 4 [pid 5079] close(3) = 0 [pid 5079] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5079] rt_sigaction(SIGRT_1, {sa_handler=0x7fd0d78ba680, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0d78abd30}, NULL, 8) = 0 [pid 5079] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5079] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d7831000 [pid 5079] mprotect(0x7fd0d7832000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5079] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5079] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d7851990, parent_tid=0x7fd0d7851990, exit_signal=0, stack=0x7fd0d7831000, stack_size=0x20300, tls=0x7fd0d78516c0}./strace-static-x86_64: Process 5080 attached => {parent_tid=[39]}, 88) = 39 [pid 5080] rseq(0x7fd0d7851fe0, 0x20, 0, 0x53053053 [pid 5079] rt_sigprocmask(SIG_SETMASK, [], [pid 5080] <... rseq resumed>) = 0 [pid 5079] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5080] set_robust_list(0x7fd0d78519a0, 24 [pid 5079] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] <... set_robust_list resumed>) = 0 [pid 5079] <... futex resumed>) = 0 [pid 5080] rt_sigprocmask(SIG_SETMASK, [], [pid 5079] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5080] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5080] memfd_create("syzkaller", 0) = 3 [pid 5080] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0cf431000 [ 85.772182][ T5080] syz-executor317[5080]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5078] +++ killed by SIGSEGV (core dumped) +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=37, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=51 /* 0.51 s */} --- [pid 5080] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 67108864) = 67108864 [pid 5080] munmap(0x7fd0cf431000, 67108864) = 0 [ 86.838164][ T27] cfg80211: failed to load regulatory.db [pid 5080] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5080] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5080] ioctl(4, LOOP_CLR_FD) = 0 [pid 5080] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5080] close(4) = 0 [pid 5080] close(3) = 0 [pid 5080] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5079] <... futex resumed>) = 0 [pid 5079] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5079] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5080] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5079] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5079] futex(0x7fd0d792b5fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5079] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5080] <... mmap resumed>) = 0x20000000 [pid 5079] <... mmap resumed>) = 0x7fd0d3410000 [pid 5079] mprotect(0x7fd0d3411000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5080] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5079] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5080] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5079] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5079] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d3430990, parent_tid=0x7fd0d3430990, exit_signal=0, stack=0x7fd0d3410000, stack_size=0x20300, tls=0x7fd0d34306c0} => {parent_tid=[40]}, 88) = 40 [pid 5079] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 5081 attached [pid 5081] rseq(0x7fd0d3430fe0, 0x20, 0, 0x53053053) = 0 [pid 5081] set_robust_list(0x7fd0d34309a0, 24) = 0 [pid 5079] futex(0x7fd0d792b5f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5081] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5079] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5081] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5082 attached [pid 5082] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5079] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5079] close(3) = -1 EBADF (Bad file descriptor) [pid 5079] close(4) = -1 EBADF (Bad file descriptor) [pid 5079] close(5) = -1 EBADF (Bad file descriptor) [pid 5079] close(6) = -1 EBADF (Bad file descriptor) [pid 5079] close(7) = -1 EBADF (Bad file descriptor) [pid 5079] close(8) = -1 EBADF (Bad file descriptor) [pid 5079] close(9) = -1 EBADF (Bad file descriptor) [pid 5079] close(10) = -1 EBADF (Bad file descriptor) [pid 5079] close(11) = -1 EBADF (Bad file descriptor) [pid 5079] close(12) = -1 EBADF (Bad file descriptor) [pid 5079] close(13) = -1 EBADF (Bad file descriptor) [pid 5079] close(14) = -1 EBADF (Bad file descriptor) [pid 5079] close(15) = -1 EBADF (Bad file descriptor) [pid 5079] close(16) = -1 EBADF (Bad file descriptor) [pid 5079] close(17) = -1 EBADF (Bad file descriptor) [pid 5079] close(18) = -1 EBADF (Bad file descriptor) [pid 5079] close(19) = -1 EBADF (Bad file descriptor) [pid 5079] close(20) = -1 EBADF (Bad file descriptor) [pid 5079] close(21) = -1 EBADF (Bad file descriptor) [pid 5079] close(22) = -1 EBADF (Bad file descriptor) [pid 5079] close(23) = -1 EBADF (Bad file descriptor) [pid 5079] close(24) = -1 EBADF (Bad file descriptor) [pid 5079] close(25) = -1 EBADF (Bad file descriptor) [pid 5079] close(26) = -1 EBADF (Bad file descriptor) [pid 5079] close(27) = -1 EBADF (Bad file descriptor) [pid 5079] close(28) = -1 EBADF (Bad file descriptor) [pid 5079] close(29) = -1 EBADF (Bad file descriptor) [pid 5079] exit_group(0) = ? [pid 5081] <... clone resumed>) = ? [pid 5081] +++ exited with 0 +++ [pid 5080] <... futex resumed>) = ? [pid 5080] +++ exited with 0 +++ [pid 5079] +++ exited with 0 +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=38, si_uid=0, si_status=0, si_utime=28 /* 0.28 s */, si_stime=122 /* 1.22 s */} --- [pid 5037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5037] ioctl(3, LOOP_CLR_FD) = 0 [pid 5037] close(3) = 0 [pid 5037] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5083 attached , child_tidptr=0x555555cdf690) = 42 [pid 5083] set_robust_list(0x555555cdf6a0, 24) = 0 [pid 5083] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5083] setpgid(0, 0) = 0 [pid 5083] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5083] write(3, "1000", 4) = 4 [pid 5083] close(3) = 0 [pid 5083] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5083] rt_sigaction(SIGRT_1, {sa_handler=0x7fd0d78ba680, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0d78abd30}, NULL, 8) = 0 [pid 5083] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5083] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d7831000 [pid 5083] mprotect(0x7fd0d7832000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5083] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5083] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d7851990, parent_tid=0x7fd0d7851990, exit_signal=0, stack=0x7fd0d7831000, stack_size=0x20300, tls=0x7fd0d78516c0} => {parent_tid=[43]}, 88) = 43 [pid 5083] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5083] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5083] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5084 attached [pid 5084] rseq(0x7fd0d7851fe0, 0x20, 0, 0x53053053) = 0 [pid 5084] set_robust_list(0x7fd0d78519a0, 24) = 0 [pid 5084] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5084] memfd_create("syzkaller", 0) = 3 [pid 5084] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0cf431000 [ 87.787915][ T5084] syz-executor317[5084]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5082] +++ killed by SIGSEGV (core dumped) +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=41, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=44 /* 0.44 s */} --- [pid 5084] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 67108864) = 67108864 [pid 5084] munmap(0x7fd0cf431000, 67108864) = 0 [pid 5084] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5084] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5084] ioctl(4, LOOP_CLR_FD) = 0 [pid 5084] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5084] close(4) = 0 [pid 5084] close(3) = 0 [pid 5084] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5084] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5083] <... futex resumed>) = 0 [pid 5083] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5083] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5084] <... futex resumed>) = 0 [pid 5084] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5083] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5083] futex(0x7fd0d792b5fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5083] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d3410000 [pid 5083] mprotect(0x7fd0d3411000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5083] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5083] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d3430990, parent_tid=0x7fd0d3430990, exit_signal=0, stack=0x7fd0d3410000, stack_size=0x20300, tls=0x7fd0d34306c0}./strace-static-x86_64: Process 5085 attached => {parent_tid=[44]}, 88) = 44 [pid 5083] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5083] futex(0x7fd0d792b5f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5083] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5084] <... mmap resumed>) = 0x20000000 [pid 5084] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5084] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5085] rseq(0x7fd0d3430fe0, 0x20, 0, 0x53053053) = 0 [pid 5085] set_robust_list(0x7fd0d34309a0, 24) = 0 [pid 5085] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5085] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5086 attached [pid 5086] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5083] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5083] close(3) = -1 EBADF (Bad file descriptor) [pid 5083] close(4) = -1 EBADF (Bad file descriptor) [pid 5083] close(5) = -1 EBADF (Bad file descriptor) [pid 5083] close(6) = -1 EBADF (Bad file descriptor) [pid 5083] close(7) = -1 EBADF (Bad file descriptor) [pid 5083] close(8) = -1 EBADF (Bad file descriptor) [pid 5083] close(9) = -1 EBADF (Bad file descriptor) [pid 5083] close(10) = -1 EBADF (Bad file descriptor) [pid 5083] close(11) = -1 EBADF (Bad file descriptor) [pid 5083] close(12) = -1 EBADF (Bad file descriptor) [pid 5083] close(13) = -1 EBADF (Bad file descriptor) [pid 5083] close(14) = -1 EBADF (Bad file descriptor) [pid 5083] close(15) = -1 EBADF (Bad file descriptor) [pid 5083] close(16) = -1 EBADF (Bad file descriptor) [pid 5083] close(17) = -1 EBADF (Bad file descriptor) [pid 5083] close(18) = -1 EBADF (Bad file descriptor) [pid 5083] close(19) = -1 EBADF (Bad file descriptor) [pid 5083] close(20) = -1 EBADF (Bad file descriptor) [pid 5083] close(21) = -1 EBADF (Bad file descriptor) [pid 5083] close(22) = -1 EBADF (Bad file descriptor) [pid 5083] close(23) = -1 EBADF (Bad file descriptor) [pid 5083] close(24) = -1 EBADF (Bad file descriptor) [pid 5083] close(25) = -1 EBADF (Bad file descriptor) [pid 5083] close(26) = -1 EBADF (Bad file descriptor) [pid 5083] close(27) = -1 EBADF (Bad file descriptor) [pid 5083] close(28) = -1 EBADF (Bad file descriptor) [pid 5083] close(29) = -1 EBADF (Bad file descriptor) [pid 5083] exit_group(0) = ? [pid 5085] <... clone resumed>) = ? [pid 5084] <... futex resumed>) = ? [pid 5085] +++ exited with 0 +++ [pid 5084] +++ exited with 0 +++ [pid 5083] +++ exited with 0 +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=42, si_uid=0, si_status=0, si_utime=30 /* 0.30 s */, si_stime=117 /* 1.17 s */} --- [pid 5037] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5037] ioctl(3, LOOP_CLR_FD) = 0 [pid 5037] close(3) = 0 [pid 5037] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cdf690) = 46 ./strace-static-x86_64: Process 5087 attached [pid 5087] set_robust_list(0x555555cdf6a0, 24) = 0 [pid 5087] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5087] setpgid(0, 0) = 0 [pid 5087] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5087] write(3, "1000", 4) = 4 [pid 5087] close(3) = 0 [pid 5087] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5087] rt_sigaction(SIGRT_1, {sa_handler=0x7fd0d78ba680, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0d78abd30}, NULL, 8) = 0 [pid 5087] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5087] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d7831000 [pid 5087] mprotect(0x7fd0d7832000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5087] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5087] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d7851990, parent_tid=0x7fd0d7851990, exit_signal=0, stack=0x7fd0d7831000, stack_size=0x20300, tls=0x7fd0d78516c0} => {parent_tid=[47]}, 88) = 47 [pid 5087] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5087] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5087] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5088 attached [pid 5088] rseq(0x7fd0d7851fe0, 0x20, 0, 0x53053053) = 0 [pid 5088] set_robust_list(0x7fd0d78519a0, 24) = 0 [pid 5088] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5088] memfd_create("syzkaller", 0) = 3 [pid 5088] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0cf431000 [ 89.885765][ T5088] syz-executor317[5088]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5086] +++ killed by SIGSEGV (core dumped) +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=45, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=52 /* 0.52 s */} --- [pid 5037] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5088] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 67108864) = 67108864 [pid 5088] munmap(0x7fd0cf431000, 67108864) = 0 [pid 5088] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5088] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5088] ioctl(4, LOOP_CLR_FD) = 0 [pid 5088] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5088] close(4) = 0 [pid 5088] close(3) = 0 [pid 5088] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5087] <... futex resumed>) = 0 [pid 5088] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5087] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5088] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5088] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5087] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5087] futex(0x7fd0d792b5fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5087] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5088] <... mmap resumed>) = 0x20000000 [pid 5088] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5087] <... mmap resumed>) = 0x7fd0d3410000 [pid 5088] <... futex resumed>) = 0 [pid 5087] mprotect(0x7fd0d3411000, 131072, PROT_READ|PROT_WRITE [pid 5088] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5087] <... mprotect resumed>) = 0 [pid 5087] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5087] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d3430990, parent_tid=0x7fd0d3430990, exit_signal=0, stack=0x7fd0d3410000, stack_size=0x20300, tls=0x7fd0d34306c0}./strace-static-x86_64: Process 5089 attached [pid 5089] rseq(0x7fd0d3430fe0, 0x20, 0, 0x53053053 [pid 5087] <... clone3 resumed> => {parent_tid=[48]}, 88) = 48 [pid 5089] <... rseq resumed>) = 0 [pid 5087] rt_sigprocmask(SIG_SETMASK, [], [pid 5089] set_robust_list(0x7fd0d34309a0, 24 [pid 5087] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5089] <... set_robust_list resumed>) = 0 [pid 5087] futex(0x7fd0d792b5f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5089] rt_sigprocmask(SIG_SETMASK, [], [pid 5087] <... futex resumed>) = 0 [pid 5089] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5089] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO [pid 5087] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5090 attached [pid 5090] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5087] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5087] close(3) = -1 EBADF (Bad file descriptor) [pid 5087] close(4) = -1 EBADF (Bad file descriptor) [pid 5087] close(5) = -1 EBADF (Bad file descriptor) [pid 5087] close(6) = -1 EBADF (Bad file descriptor) [pid 5087] close(7) = -1 EBADF (Bad file descriptor) [pid 5087] close(8) = -1 EBADF (Bad file descriptor) [pid 5087] close(9) = -1 EBADF (Bad file descriptor) [pid 5087] close(10) = -1 EBADF (Bad file descriptor) [pid 5087] close(11) = -1 EBADF (Bad file descriptor) [pid 5087] close(12) = -1 EBADF (Bad file descriptor) [pid 5087] close(13) = -1 EBADF (Bad file descriptor) [pid 5087] close(14) = -1 EBADF (Bad file descriptor) [pid 5087] close(15) = -1 EBADF (Bad file descriptor) [pid 5087] close(16) = -1 EBADF (Bad file descriptor) [pid 5087] close(17) = -1 EBADF (Bad file descriptor) [pid 5087] close(18) = -1 EBADF (Bad file descriptor) [pid 5087] close(19) = -1 EBADF (Bad file descriptor) [pid 5087] close(20) = -1 EBADF (Bad file descriptor) [pid 5087] close(21) = -1 EBADF (Bad file descriptor) [pid 5087] close(22) = -1 EBADF (Bad file descriptor) [pid 5087] close(23) = -1 EBADF (Bad file descriptor) [pid 5087] close(24) = -1 EBADF (Bad file descriptor) [pid 5087] close(25) = -1 EBADF (Bad file descriptor) [pid 5087] close(26) = -1 EBADF (Bad file descriptor) [pid 5087] close(27) = -1 EBADF (Bad file descriptor) [pid 5087] close(28) = -1 EBADF (Bad file descriptor) [pid 5087] close(29) = -1 EBADF (Bad file descriptor) [pid 5087] exit_group(0 [pid 5088] <... futex resumed>) = ? [pid 5087] <... exit_group resumed>) = ? [pid 5089] <... clone resumed>) = ? [pid 5089] +++ exited with 0 +++ [pid 5088] +++ exited with 0 +++ [pid 5087] +++ exited with 0 +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=46, si_uid=0, si_status=0, si_utime=27 /* 0.27 s */, si_stime=120 /* 1.20 s */} --- [pid 5037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5037] ioctl(3, LOOP_CLR_FD) = 0 [pid 5037] close(3) = 0 [pid 5037] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cdf690) = 50 ./strace-static-x86_64: Process 5091 attached [pid 5091] set_robust_list(0x555555cdf6a0, 24) = 0 [pid 5091] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5091] setpgid(0, 0) = 0 [pid 5091] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5091] write(3, "1000", 4) = 4 [pid 5091] close(3) = 0 [pid 5091] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5091] rt_sigaction(SIGRT_1, {sa_handler=0x7fd0d78ba680, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0d78abd30}, NULL, 8) = 0 [pid 5091] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5091] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d7831000 [pid 5091] mprotect(0x7fd0d7832000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5091] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5091] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d7851990, parent_tid=0x7fd0d7851990, exit_signal=0, stack=0x7fd0d7831000, stack_size=0x20300, tls=0x7fd0d78516c0} => {parent_tid=[51]}, 88) = 51 [pid 5091] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5091] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5092 attached ) = 0 [pid 5092] rseq(0x7fd0d7851fe0, 0x20, 0, 0x53053053 [pid 5091] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5092] <... rseq resumed>) = 0 [pid 5092] set_robust_list(0x7fd0d78519a0, 24) = 0 [pid 5092] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5092] memfd_create("syzkaller", 0) = 3 [pid 5092] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0cf431000 [ 91.967605][ T5092] syz-executor317[5092]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5090] +++ killed by SIGSEGV (core dumped) +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=49, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=49 /* 0.49 s */} --- [pid 5092] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 67108864) = 67108864 [pid 5092] munmap(0x7fd0cf431000, 67108864) = 0 [pid 5092] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5092] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5092] ioctl(4, LOOP_CLR_FD) = 0 [pid 5092] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5092] close(4) = 0 [pid 5092] close(3) = 0 [pid 5092] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5092] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5091] <... futex resumed>) = 0 [pid 5091] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5092] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5092] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5091] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5091] futex(0x7fd0d792b5fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5091] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5092] <... mmap resumed>) = 0x20000000 [pid 5091] <... mmap resumed>) = 0x7fd0d3410000 [pid 5091] mprotect(0x7fd0d3411000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5091] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5091] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d3430990, parent_tid=0x7fd0d3430990, exit_signal=0, stack=0x7fd0d3410000, stack_size=0x20300, tls=0x7fd0d34306c0} [pid 5092] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5092] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5093 attached [pid 5091] <... clone3 resumed> => {parent_tid=[52]}, 88) = 52 [pid 5093] rseq(0x7fd0d3430fe0, 0x20, 0, 0x53053053) = 0 [pid 5091] rt_sigprocmask(SIG_SETMASK, [], [pid 5093] set_robust_list(0x7fd0d34309a0, 24 [pid 5091] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5093] <... set_robust_list resumed>) = 0 [pid 5091] futex(0x7fd0d792b5f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5093] rt_sigprocmask(SIG_SETMASK, [], [pid 5091] <... futex resumed>) = 0 [pid 5093] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5091] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5093] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5094 attached [pid 5094] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5091] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5091] close(3) = -1 EBADF (Bad file descriptor) [pid 5091] close(4) = -1 EBADF (Bad file descriptor) [pid 5091] close(5) = -1 EBADF (Bad file descriptor) [pid 5091] close(6) = -1 EBADF (Bad file descriptor) [pid 5091] close(7) = -1 EBADF (Bad file descriptor) [pid 5091] close(8) = -1 EBADF (Bad file descriptor) [pid 5091] close(9) = -1 EBADF (Bad file descriptor) [pid 5091] close(10) = -1 EBADF (Bad file descriptor) [pid 5091] close(11) = -1 EBADF (Bad file descriptor) [pid 5091] close(12) = -1 EBADF (Bad file descriptor) [pid 5091] close(13) = -1 EBADF (Bad file descriptor) [pid 5091] close(14) = -1 EBADF (Bad file descriptor) [pid 5091] close(15) = -1 EBADF (Bad file descriptor) [pid 5091] close(16) = -1 EBADF (Bad file descriptor) [pid 5091] close(17) = -1 EBADF (Bad file descriptor) [pid 5091] close(18) = -1 EBADF (Bad file descriptor) [pid 5091] close(19) = -1 EBADF (Bad file descriptor) [pid 5091] close(20) = -1 EBADF (Bad file descriptor) [pid 5091] close(21) = -1 EBADF (Bad file descriptor) [pid 5091] close(22) = -1 EBADF (Bad file descriptor) [pid 5091] close(23) = -1 EBADF (Bad file descriptor) [pid 5091] close(24) = -1 EBADF (Bad file descriptor) [pid 5091] close(25) = -1 EBADF (Bad file descriptor) [pid 5091] close(26) = -1 EBADF (Bad file descriptor) [pid 5091] close(27) = -1 EBADF (Bad file descriptor) [pid 5091] close(28) = -1 EBADF (Bad file descriptor) [pid 5091] close(29) = -1 EBADF (Bad file descriptor) [pid 5091] exit_group(0) = ? [pid 5093] <... clone resumed>) = ? [pid 5092] <... futex resumed>) = ? [pid 5093] +++ exited with 0 +++ [pid 5092] +++ exited with 0 +++ [pid 5091] +++ exited with 0 +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=50, si_uid=0, si_status=0, si_utime=32 /* 0.32 s */, si_stime=116 /* 1.16 s */} --- [pid 5037] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5037] ioctl(3, LOOP_CLR_FD) = 0 [pid 5037] close(3) = 0 [pid 5037] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cdf690) = 54 ./strace-static-x86_64: Process 5095 attached [pid 5095] set_robust_list(0x555555cdf6a0, 24) = 0 [pid 5095] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5095] setpgid(0, 0) = 0 [pid 5095] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5095] write(3, "1000", 4) = 4 [pid 5095] close(3) = 0 [pid 5095] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5095] rt_sigaction(SIGRT_1, {sa_handler=0x7fd0d78ba680, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0d78abd30}, NULL, 8) = 0 [pid 5095] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5095] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d7831000 [pid 5095] mprotect(0x7fd0d7832000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5095] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5095] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d7851990, parent_tid=0x7fd0d7851990, exit_signal=0, stack=0x7fd0d7831000, stack_size=0x20300, tls=0x7fd0d78516c0} => {parent_tid=[55]}, 88) = 55 [pid 5095] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5095] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5095] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5096 attached [pid 5096] rseq(0x7fd0d7851fe0, 0x20, 0, 0x53053053) = 0 [pid 5096] set_robust_list(0x7fd0d78519a0, 24) = 0 [pid 5096] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5096] memfd_create("syzkaller", 0) = 3 [pid 5096] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0cf431000 [ 94.120985][ T5096] syz-executor317[5096]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5094] +++ killed by SIGSEGV (core dumped) +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=53, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=53 /* 0.53 s */} --- [pid 5037] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5096] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 67108864) = 67108864 [pid 5096] munmap(0x7fd0cf431000, 67108864) = 0 [pid 5096] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5096] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5096] ioctl(4, LOOP_CLR_FD) = 0 [pid 5096] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5096] close(4) = 0 [pid 5096] close(3) = 0 [pid 5096] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5095] <... futex resumed>) = 0 [pid 5095] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5095] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5096] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5095] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5095] futex(0x7fd0d792b5fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5095] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5096] <... mmap resumed>) = 0x20000000 [pid 5096] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5096] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5095] <... mmap resumed>) = 0x7fd0d3410000 [pid 5095] mprotect(0x7fd0d3411000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5095] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5095] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d3430990, parent_tid=0x7fd0d3430990, exit_signal=0, stack=0x7fd0d3410000, stack_size=0x20300, tls=0x7fd0d34306c0}./strace-static-x86_64: Process 5097 attached [pid 5097] rseq(0x7fd0d3430fe0, 0x20, 0, 0x53053053 [pid 5095] <... clone3 resumed> => {parent_tid=[56]}, 88) = 56 [pid 5097] <... rseq resumed>) = 0 [pid 5095] rt_sigprocmask(SIG_SETMASK, [], [pid 5097] set_robust_list(0x7fd0d34309a0, 24 [pid 5095] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5097] <... set_robust_list resumed>) = 0 [pid 5095] futex(0x7fd0d792b5f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5097] rt_sigprocmask(SIG_SETMASK, [], [pid 5095] <... futex resumed>) = 0 [pid 5097] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5095] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5097] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5098 attached [pid 5098] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5095] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5095] close(3) = -1 EBADF (Bad file descriptor) [pid 5095] close(4) = -1 EBADF (Bad file descriptor) [pid 5095] close(5) = -1 EBADF (Bad file descriptor) [pid 5095] close(6) = -1 EBADF (Bad file descriptor) [pid 5095] close(7) = -1 EBADF (Bad file descriptor) [pid 5095] close(8) = -1 EBADF (Bad file descriptor) [pid 5095] close(9) = -1 EBADF (Bad file descriptor) [pid 5095] close(10) = -1 EBADF (Bad file descriptor) [pid 5095] close(11) = -1 EBADF (Bad file descriptor) [pid 5095] close(12) = -1 EBADF (Bad file descriptor) [pid 5095] close(13) = -1 EBADF (Bad file descriptor) [pid 5095] close(14) = -1 EBADF (Bad file descriptor) [pid 5095] close(15) = -1 EBADF (Bad file descriptor) [pid 5095] close(16) = -1 EBADF (Bad file descriptor) [pid 5095] close(17) = -1 EBADF (Bad file descriptor) [pid 5095] close(18) = -1 EBADF (Bad file descriptor) [pid 5095] close(19) = -1 EBADF (Bad file descriptor) [pid 5095] close(20) = -1 EBADF (Bad file descriptor) [pid 5095] close(21) = -1 EBADF (Bad file descriptor) [pid 5095] close(22) = -1 EBADF (Bad file descriptor) [pid 5095] close(23) = -1 EBADF (Bad file descriptor) [pid 5095] close(24) = -1 EBADF (Bad file descriptor) [pid 5095] close(25) = -1 EBADF (Bad file descriptor) [pid 5095] close(26) = -1 EBADF (Bad file descriptor) [pid 5095] close(27) = -1 EBADF (Bad file descriptor) [pid 5095] close(28) = -1 EBADF (Bad file descriptor) [pid 5095] close(29) = -1 EBADF (Bad file descriptor) [pid 5095] exit_group(0) = ? [pid 5096] <... futex resumed>) = ? [pid 5096] +++ exited with 0 +++ [pid 5097] <... clone resumed>) = ? [pid 5097] +++ exited with 0 +++ [pid 5095] +++ exited with 0 +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=54, si_uid=0, si_status=0, si_utime=31 /* 0.31 s */, si_stime=115 /* 1.15 s */} --- [pid 5037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5037] ioctl(3, LOOP_CLR_FD) = 0 [pid 5037] close(3) = 0 [pid 5037] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cdf690) = 58 ./strace-static-x86_64: Process 5099 attached [pid 5099] set_robust_list(0x555555cdf6a0, 24) = 0 [pid 5099] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5099] setpgid(0, 0) = 0 [pid 5099] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5099] write(3, "1000", 4) = 4 [pid 5099] close(3) = 0 [pid 5099] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5099] rt_sigaction(SIGRT_1, {sa_handler=0x7fd0d78ba680, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0d78abd30}, NULL, 8) = 0 [pid 5099] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5099] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d7831000 [pid 5099] mprotect(0x7fd0d7832000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5099] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5099] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d7851990, parent_tid=0x7fd0d7851990, exit_signal=0, stack=0x7fd0d7831000, stack_size=0x20300, tls=0x7fd0d78516c0} => {parent_tid=[59]}, 88) = 59 [pid 5099] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5099] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5099] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5100 attached [pid 5100] rseq(0x7fd0d7851fe0, 0x20, 0, 0x53053053) = 0 [pid 5100] set_robust_list(0x7fd0d78519a0, 24) = 0 [pid 5100] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5100] memfd_create("syzkaller", 0) = 3 [pid 5100] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0cf431000 [ 96.187053][ T5100] syz-executor317[5100]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5098] +++ killed by SIGSEGV (core dumped) +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=57, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=56 /* 0.56 s */} --- [pid 5037] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5100] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 67108864) = 67108864 [pid 5100] munmap(0x7fd0cf431000, 67108864) = 0 [pid 5100] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5100] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5100] ioctl(4, LOOP_CLR_FD) = 0 [pid 5100] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5100] close(4) = 0 [pid 5100] close(3) = 0 [pid 5100] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5099] <... futex resumed>) = 0 [pid 5099] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5099] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5100] <... futex resumed>) = 1 [pid 5100] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5099] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5099] futex(0x7fd0d792b5fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5099] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d3410000 [pid 5099] mprotect(0x7fd0d3411000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5099] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5099] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d3430990, parent_tid=0x7fd0d3430990, exit_signal=0, stack=0x7fd0d3410000, stack_size=0x20300, tls=0x7fd0d34306c0}./strace-static-x86_64: Process 5101 attached [pid 5101] rseq(0x7fd0d3430fe0, 0x20, 0, 0x53053053 [pid 5099] <... clone3 resumed> => {parent_tid=[60]}, 88) = 60 [pid 5099] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5099] futex(0x7fd0d792b5f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5099] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5100] <... mmap resumed>) = 0x20000000 [pid 5100] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5100] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5101] <... rseq resumed>) = 0 [pid 5101] set_robust_list(0x7fd0d34309a0, 24) = 0 [pid 5101] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5101] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5102 attached [pid 5102] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5099] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5099] close(3) = -1 EBADF (Bad file descriptor) [pid 5099] close(4) = -1 EBADF (Bad file descriptor) [pid 5099] close(5) = -1 EBADF (Bad file descriptor) [pid 5099] close(6) = -1 EBADF (Bad file descriptor) [pid 5099] close(7) = -1 EBADF (Bad file descriptor) [pid 5099] close(8) = -1 EBADF (Bad file descriptor) [pid 5099] close(9) = -1 EBADF (Bad file descriptor) [pid 5099] close(10) = -1 EBADF (Bad file descriptor) [pid 5099] close(11) = -1 EBADF (Bad file descriptor) [pid 5099] close(12) = -1 EBADF (Bad file descriptor) [pid 5099] close(13) = -1 EBADF (Bad file descriptor) [pid 5099] close(14) = -1 EBADF (Bad file descriptor) [pid 5099] close(15) = -1 EBADF (Bad file descriptor) [pid 5099] close(16) = -1 EBADF (Bad file descriptor) [pid 5099] close(17) = -1 EBADF (Bad file descriptor) [pid 5099] close(18) = -1 EBADF (Bad file descriptor) [pid 5099] close(19) = -1 EBADF (Bad file descriptor) [pid 5099] close(20) = -1 EBADF (Bad file descriptor) [pid 5099] close(21) = -1 EBADF (Bad file descriptor) [pid 5099] close(22) = -1 EBADF (Bad file descriptor) [pid 5099] close(23) = -1 EBADF (Bad file descriptor) [pid 5099] close(24) = -1 EBADF (Bad file descriptor) [pid 5099] close(25) = -1 EBADF (Bad file descriptor) [pid 5099] close(26) = -1 EBADF (Bad file descriptor) [pid 5099] close(27) = -1 EBADF (Bad file descriptor) [pid 5099] close(28) = -1 EBADF (Bad file descriptor) [pid 5099] close(29) = -1 EBADF (Bad file descriptor) [pid 5099] exit_group(0 [pid 5101] <... clone resumed>) = ? [pid 5100] <... futex resumed>) = ? [pid 5099] <... exit_group resumed>) = ? [pid 5101] +++ exited with 0 +++ [pid 5100] +++ exited with 0 +++ [pid 5099] +++ exited with 0 +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=58, si_uid=0, si_status=0, si_utime=27 /* 0.27 s */, si_stime=109 /* 1.09 s */} --- [pid 5037] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5037] ioctl(3, LOOP_CLR_FD) = 0 [pid 5037] close(3) = 0 [pid 5037] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5103 attached [pid 5103] set_robust_list(0x555555cdf6a0, 24 [pid 5037] <... clone resumed>, child_tidptr=0x555555cdf690) = 62 [pid 5103] <... set_robust_list resumed>) = 0 [pid 5103] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5103] setpgid(0, 0) = 0 [pid 5103] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5103] write(3, "1000", 4) = 4 [pid 5103] close(3) = 0 [pid 5103] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5103] rt_sigaction(SIGRT_1, {sa_handler=0x7fd0d78ba680, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0d78abd30}, NULL, 8) = 0 [pid 5103] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5103] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d7831000 [pid 5103] mprotect(0x7fd0d7832000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5103] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5103] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d7851990, parent_tid=0x7fd0d7851990, exit_signal=0, stack=0x7fd0d7831000, stack_size=0x20300, tls=0x7fd0d78516c0}./strace-static-x86_64: Process 5104 attached => {parent_tid=[63]}, 88) = 63 [pid 5104] rseq(0x7fd0d7851fe0, 0x20, 0, 0x53053053 [pid 5103] rt_sigprocmask(SIG_SETMASK, [], [pid 5104] <... rseq resumed>) = 0 [pid 5103] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5104] set_robust_list(0x7fd0d78519a0, 24 [pid 5103] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5104] <... set_robust_list resumed>) = 0 [pid 5103] <... futex resumed>) = 0 [pid 5104] rt_sigprocmask(SIG_SETMASK, [], [pid 5103] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5104] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5104] memfd_create("syzkaller", 0) = 3 [pid 5104] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0cf431000 [ 98.263925][ T5104] syz-executor317[5104]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5102] +++ killed by SIGSEGV (core dumped) +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=61, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=50 /* 0.50 s */} --- [pid 5037] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5104] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 67108864) = 67108864 [pid 5104] munmap(0x7fd0cf431000, 67108864) = 0 [pid 5104] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5104] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5104] ioctl(4, LOOP_CLR_FD) = 0 [pid 5104] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5104] close(4) = 0 [pid 5104] close(3) = 0 [pid 5104] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5103] <... futex resumed>) = 0 [pid 5104] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5103] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5104] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5103] <... futex resumed>) = 0 [pid 5104] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5103] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5103] futex(0x7fd0d792b5fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5103] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d3410000 [pid 5103] mprotect(0x7fd0d3411000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5103] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5103] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d3430990, parent_tid=0x7fd0d3430990, exit_signal=0, stack=0x7fd0d3410000, stack_size=0x20300, tls=0x7fd0d34306c0} => {parent_tid=[64]}, 88) = 64 [pid 5103] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5103] futex(0x7fd0d792b5f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 5105 attached [pid 5105] rseq(0x7fd0d3430fe0, 0x20, 0, 0x53053053 [pid 5103] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5105] <... rseq resumed>) = 0 [pid 5105] set_robust_list(0x7fd0d34309a0, 24) = 0 [pid 5105] rt_sigprocmask(SIG_SETMASK, [], [pid 5104] <... mmap resumed>) = 0x20000000 [pid 5105] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5104] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5105] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO [pid 5104] <... futex resumed>) = 0 [pid 5104] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5106 attached [pid 5106] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5103] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5103] close(3) = -1 EBADF (Bad file descriptor) [pid 5103] close(4) = -1 EBADF (Bad file descriptor) [pid 5103] close(5) = -1 EBADF (Bad file descriptor) [pid 5103] close(6) = -1 EBADF (Bad file descriptor) [pid 5103] close(7) = -1 EBADF (Bad file descriptor) [pid 5103] close(8) = -1 EBADF (Bad file descriptor) [pid 5103] close(9) = -1 EBADF (Bad file descriptor) [pid 5103] close(10) = -1 EBADF (Bad file descriptor) [pid 5103] close(11) = -1 EBADF (Bad file descriptor) [pid 5103] close(12) = -1 EBADF (Bad file descriptor) [pid 5103] close(13) = -1 EBADF (Bad file descriptor) [pid 5103] close(14) = -1 EBADF (Bad file descriptor) [pid 5103] close(15) = -1 EBADF (Bad file descriptor) [pid 5103] close(16) = -1 EBADF (Bad file descriptor) [pid 5103] close(17) = -1 EBADF (Bad file descriptor) [pid 5103] close(18) = -1 EBADF (Bad file descriptor) [pid 5103] close(19) = -1 EBADF (Bad file descriptor) [pid 5103] close(20) = -1 EBADF (Bad file descriptor) [pid 5103] close(21) = -1 EBADF (Bad file descriptor) [pid 5103] close(22) = -1 EBADF (Bad file descriptor) [pid 5103] close(23) = -1 EBADF (Bad file descriptor) [pid 5103] close(24) = -1 EBADF (Bad file descriptor) [pid 5103] close(25) = -1 EBADF (Bad file descriptor) [pid 5103] close(26) = -1 EBADF (Bad file descriptor) [pid 5103] close(27) = -1 EBADF (Bad file descriptor) [pid 5103] close(28) = -1 EBADF (Bad file descriptor) [pid 5103] close(29) = -1 EBADF (Bad file descriptor) [pid 5103] exit_group(0 [pid 5104] <... futex resumed>) = ? [pid 5103] <... exit_group resumed>) = ? [pid 5104] +++ exited with 0 +++ [pid 5105] <... clone resumed>) = ? [pid 5105] +++ exited with 0 +++ [pid 5103] +++ exited with 0 +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=62, si_uid=0, si_status=0, si_utime=28 /* 0.28 s */, si_stime=116 /* 1.16 s */} --- [pid 5037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5037] ioctl(3, LOOP_CLR_FD) = 0 [pid 5037] close(3) = 0 [pid 5037] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cdf690) = 66 ./strace-static-x86_64: Process 5107 attached [pid 5107] set_robust_list(0x555555cdf6a0, 24) = 0 [pid 5107] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5107] setpgid(0, 0) = 0 [pid 5107] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5107] write(3, "1000", 4) = 4 [pid 5107] close(3) = 0 [pid 5107] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5107] rt_sigaction(SIGRT_1, {sa_handler=0x7fd0d78ba680, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0d78abd30}, NULL, 8) = 0 [pid 5107] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5107] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d7831000 [pid 5107] mprotect(0x7fd0d7832000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5107] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5107] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d7851990, parent_tid=0x7fd0d7851990, exit_signal=0, stack=0x7fd0d7831000, stack_size=0x20300, tls=0x7fd0d78516c0}./strace-static-x86_64: Process 5108 attached [pid 5108] rseq(0x7fd0d7851fe0, 0x20, 0, 0x53053053) = 0 [pid 5108] set_robust_list(0x7fd0d78519a0, 24) = 0 [pid 5108] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5108] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5107] <... clone3 resumed> => {parent_tid=[67]}, 88) = 67 [pid 5107] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5107] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5108] <... futex resumed>) = 0 [pid 5108] memfd_create("syzkaller", 0 [pid 5107] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5108] <... memfd_create resumed>) = 3 [pid 5108] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0cf431000 [ 100.347732][ T5108] syz-executor317[5108]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5106] +++ killed by SIGSEGV (core dumped) +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=65, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=51 /* 0.51 s */} --- [pid 5108] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 67108864) = 67108864 [pid 5108] munmap(0x7fd0cf431000, 67108864) = 0 [pid 5108] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5108] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5108] ioctl(4, LOOP_CLR_FD) = 0 [pid 5108] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5108] close(4) = 0 [pid 5108] close(3) = 0 [pid 5108] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5107] <... futex resumed>) = 0 [pid 5107] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5107] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5108] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5107] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5107] futex(0x7fd0d792b5fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5107] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5108] <... mmap resumed>) = 0x20000000 [pid 5107] <... mmap resumed>) = 0x7fd0d3410000 [pid 5107] mprotect(0x7fd0d3411000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5107] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5107] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d3430990, parent_tid=0x7fd0d3430990, exit_signal=0, stack=0x7fd0d3410000, stack_size=0x20300, tls=0x7fd0d34306c0}./strace-static-x86_64: Process 5112 attached => {parent_tid=[68]}, 88) = 68 [pid 5112] rseq(0x7fd0d3430fe0, 0x20, 0, 0x53053053 [pid 5107] rt_sigprocmask(SIG_SETMASK, [], [pid 5112] <... rseq resumed>) = 0 [pid 5107] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5112] set_robust_list(0x7fd0d34309a0, 24 [pid 5107] futex(0x7fd0d792b5f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5112] <... set_robust_list resumed>) = 0 [pid 5107] <... futex resumed>) = 0 [pid 5112] rt_sigprocmask(SIG_SETMASK, [], [pid 5107] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5112] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5112] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5113 attached [pid 5108] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5108] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5113] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5107] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5107] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5107] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5107] close(3) = -1 EBADF (Bad file descriptor) [pid 5107] close(4) = -1 EBADF (Bad file descriptor) [pid 5107] close(5) = -1 EBADF (Bad file descriptor) [pid 5107] close(6) = -1 EBADF (Bad file descriptor) [pid 5107] close(7) = -1 EBADF (Bad file descriptor) [pid 5107] close(8) = -1 EBADF (Bad file descriptor) [pid 5107] close(9) = -1 EBADF (Bad file descriptor) [pid 5107] close(10) = -1 EBADF (Bad file descriptor) [pid 5107] close(11) = -1 EBADF (Bad file descriptor) [pid 5107] close(12) = -1 EBADF (Bad file descriptor) [pid 5107] close(13) = -1 EBADF (Bad file descriptor) [pid 5107] close(14) = -1 EBADF (Bad file descriptor) [pid 5107] close(15) = -1 EBADF (Bad file descriptor) [pid 5107] close(16) = -1 EBADF (Bad file descriptor) [pid 5107] close(17) = -1 EBADF (Bad file descriptor) [pid 5107] close(18) = -1 EBADF (Bad file descriptor) [pid 5107] close(19) = -1 EBADF (Bad file descriptor) [pid 5107] close(20) = -1 EBADF (Bad file descriptor) [pid 5107] close(21) = -1 EBADF (Bad file descriptor) [pid 5107] close(22) = -1 EBADF (Bad file descriptor) [pid 5107] close(23) = -1 EBADF (Bad file descriptor) [pid 5107] close(24) = -1 EBADF (Bad file descriptor) [pid 5107] close(25) = -1 EBADF (Bad file descriptor) [pid 5107] close(26) = -1 EBADF (Bad file descriptor) [pid 5107] close(27) = -1 EBADF (Bad file descriptor) [pid 5107] close(28) = -1 EBADF (Bad file descriptor) [pid 5107] close(29) = -1 EBADF (Bad file descriptor) [pid 5107] exit_group(0 [pid 5112] <... clone resumed>) = ? [pid 5112] +++ exited with 0 +++ [pid 5107] <... exit_group resumed>) = ? [pid 5108] <... futex resumed>) = ? [pid 5108] +++ exited with 0 +++ [pid 5107] +++ exited with 0 +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=66, si_uid=0, si_status=0, si_utime=36 /* 0.36 s */, si_stime=117 /* 1.17 s */} --- [pid 5037] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5037] ioctl(3, LOOP_CLR_FD) = 0 [pid 5037] close(3) = 0 [pid 5037] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5114 attached , child_tidptr=0x555555cdf690) = 70 [pid 5114] set_robust_list(0x555555cdf6a0, 24) = 0 [pid 5114] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5114] setpgid(0, 0) = 0 [pid 5114] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5114] write(3, "1000", 4) = 4 [pid 5114] close(3) = 0 [pid 5114] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5114] rt_sigaction(SIGRT_1, {sa_handler=0x7fd0d78ba680, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0d78abd30}, NULL, 8) = 0 [pid 5114] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5114] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d7831000 [pid 5114] mprotect(0x7fd0d7832000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5114] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5114] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d7851990, parent_tid=0x7fd0d7851990, exit_signal=0, stack=0x7fd0d7831000, stack_size=0x20300, tls=0x7fd0d78516c0} => {parent_tid=[71]}, 88) = 71 [pid 5114] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5115 attached NULL, 8) = 0 [pid 5115] rseq(0x7fd0d7851fe0, 0x20, 0, 0x53053053) = 0 [pid 5114] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5115] set_robust_list(0x7fd0d78519a0, 24) = 0 [pid 5114] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5115] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5115] memfd_create("syzkaller", 0) = 3 [pid 5115] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0cf431000 [ 102.529267][ T5115] syz-executor317[5115]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5113] +++ killed by SIGSEGV (core dumped) +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=69, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=49 /* 0.49 s */} --- [pid 5115] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 67108864) = 67108864 [pid 5115] munmap(0x7fd0cf431000, 67108864) = 0 [pid 5115] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5115] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5115] ioctl(4, LOOP_CLR_FD) = 0 [pid 5115] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5115] close(4) = 0 [pid 5115] close(3) = 0 [pid 5115] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5115] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5114] <... futex resumed>) = 0 [pid 5114] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5115] <... futex resumed>) = 0 [pid 5115] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5114] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5114] futex(0x7fd0d792b5fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5114] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5115] <... mmap resumed>) = 0x20000000 [pid 5114] <... mmap resumed>) = 0x7fd0d3410000 [pid 5114] mprotect(0x7fd0d3411000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5114] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5114] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d3430990, parent_tid=0x7fd0d3430990, exit_signal=0, stack=0x7fd0d3410000, stack_size=0x20300, tls=0x7fd0d34306c0}./strace-static-x86_64: Process 5117 attached [pid 5117] rseq(0x7fd0d3430fe0, 0x20, 0, 0x53053053 [pid 5115] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5115] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5117] <... rseq resumed>) = 0 [pid 5117] set_robust_list(0x7fd0d34309a0, 24) = 0 [pid 5117] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5117] futex(0x7fd0d792b5f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5114] <... clone3 resumed> => {parent_tid=[72]}, 88) = 72 [pid 5114] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5114] futex(0x7fd0d792b5f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5117] <... futex resumed>) = 0 [pid 5117] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO [pid 5114] <... futex resumed>) = 1 [pid 5114] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5118 attached [pid 5118] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5114] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5114] close(3) = -1 EBADF (Bad file descriptor) [pid 5114] close(4) = -1 EBADF (Bad file descriptor) [pid 5114] close(5) = -1 EBADF (Bad file descriptor) [pid 5114] close(6) = -1 EBADF (Bad file descriptor) [pid 5114] close(7) = -1 EBADF (Bad file descriptor) [pid 5114] close(8) = -1 EBADF (Bad file descriptor) [pid 5114] close(9) = -1 EBADF (Bad file descriptor) [pid 5114] close(10) = -1 EBADF (Bad file descriptor) [pid 5114] close(11) = -1 EBADF (Bad file descriptor) [pid 5114] close(12) = -1 EBADF (Bad file descriptor) [pid 5114] close(13) = -1 EBADF (Bad file descriptor) [pid 5114] close(14) = -1 EBADF (Bad file descriptor) [pid 5114] close(15) = -1 EBADF (Bad file descriptor) [pid 5114] close(16) = -1 EBADF (Bad file descriptor) [pid 5114] close(17) = -1 EBADF (Bad file descriptor) [pid 5114] close(18) = -1 EBADF (Bad file descriptor) [pid 5114] close(19) = -1 EBADF (Bad file descriptor) [pid 5114] close(20) = -1 EBADF (Bad file descriptor) [pid 5114] close(21) = -1 EBADF (Bad file descriptor) [pid 5114] close(22) = -1 EBADF (Bad file descriptor) [pid 5114] close(23) = -1 EBADF (Bad file descriptor) [pid 5114] close(24) = -1 EBADF (Bad file descriptor) [pid 5114] close(25) = -1 EBADF (Bad file descriptor) [pid 5114] close(26) = -1 EBADF (Bad file descriptor) [pid 5114] close(27) = -1 EBADF (Bad file descriptor) [pid 5114] close(28) = -1 EBADF (Bad file descriptor) [pid 5114] close(29) = -1 EBADF (Bad file descriptor) [pid 5114] exit_group(0) = ? [pid 5115] <... futex resumed>) = ? [pid 5117] <... clone resumed>) = ? [pid 5117] +++ exited with 0 +++ [pid 5115] +++ exited with 0 +++ [pid 5114] +++ exited with 0 +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=70, si_uid=0, si_status=0, si_utime=33 /* 0.33 s */, si_stime=112 /* 1.12 s */} --- [pid 5037] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5037] ioctl(3, LOOP_CLR_FD) = 0 [pid 5037] close(3) = 0 [pid 5037] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5119 attached , child_tidptr=0x555555cdf690) = 74 [pid 5119] set_robust_list(0x555555cdf6a0, 24) = 0 [pid 5119] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5119] setpgid(0, 0) = 0 [pid 5119] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5119] write(3, "1000", 4) = 4 [pid 5119] close(3) = 0 [pid 5119] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5119] rt_sigaction(SIGRT_1, {sa_handler=0x7fd0d78ba680, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0d78abd30}, NULL, 8) = 0 [pid 5119] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5119] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d7831000 [pid 5119] mprotect(0x7fd0d7832000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5119] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5119] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d7851990, parent_tid=0x7fd0d7851990, exit_signal=0, stack=0x7fd0d7831000, stack_size=0x20300, tls=0x7fd0d78516c0}./strace-static-x86_64: Process 5120 attached => {parent_tid=[75]}, 88) = 75 [pid 5119] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5119] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5119] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5120] rseq(0x7fd0d7851fe0, 0x20, 0, 0x53053053) = 0 [pid 5120] set_robust_list(0x7fd0d78519a0, 24) = 0 [pid 5120] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5120] memfd_create("syzkaller", 0) = 3 [pid 5120] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0cf431000 [ 104.661382][ T5120] syz-executor317[5120]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5118] +++ killed by SIGSEGV (core dumped) +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=73, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=48 /* 0.48 s */} --- [pid 5037] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5120] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 67108864) = 67108864 [pid 5120] munmap(0x7fd0cf431000, 67108864) = 0 [pid 5120] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5120] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5120] ioctl(4, LOOP_CLR_FD) = 0 [pid 5120] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5120] close(4) = 0 [pid 5120] close(3) = 0 [pid 5120] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5119] <... futex resumed>) = 0 [pid 5119] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5120] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5119] <... futex resumed>) = 0 [pid 5119] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5119] futex(0x7fd0d792b5fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5119] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5120] <... mmap resumed>) = 0x20000000 [pid 5120] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5120] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5119] <... mmap resumed>) = 0x7fd0d3410000 [pid 5119] mprotect(0x7fd0d3411000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5119] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5119] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d3430990, parent_tid=0x7fd0d3430990, exit_signal=0, stack=0x7fd0d3410000, stack_size=0x20300, tls=0x7fd0d34306c0}./strace-static-x86_64: Process 5123 attached [pid 5123] rseq(0x7fd0d3430fe0, 0x20, 0, 0x53053053) = 0 [pid 5123] set_robust_list(0x7fd0d34309a0, 24 [pid 5119] <... clone3 resumed> => {parent_tid=[76]}, 88) = 76 [pid 5123] <... set_robust_list resumed>) = 0 [pid 5119] rt_sigprocmask(SIG_SETMASK, [], [pid 5123] rt_sigprocmask(SIG_SETMASK, [], [pid 5119] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5123] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5119] futex(0x7fd0d792b5f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5123] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO [pid 5119] <... futex resumed>) = 0 [pid 5119] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5124 attached [pid 5124] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5119] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5119] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5119] close(3) = -1 EBADF (Bad file descriptor) [pid 5119] close(4) = -1 EBADF (Bad file descriptor) [pid 5119] close(5) = -1 EBADF (Bad file descriptor) [pid 5119] close(6) = -1 EBADF (Bad file descriptor) [pid 5119] close(7) = -1 EBADF (Bad file descriptor) [pid 5119] close(8) = -1 EBADF (Bad file descriptor) [pid 5119] close(9) = -1 EBADF (Bad file descriptor) [pid 5119] close(10) = -1 EBADF (Bad file descriptor) [pid 5119] close(11) = -1 EBADF (Bad file descriptor) [pid 5119] close(12) = -1 EBADF (Bad file descriptor) [pid 5119] close(13) = -1 EBADF (Bad file descriptor) [pid 5119] close(14) = -1 EBADF (Bad file descriptor) [pid 5119] close(15) = -1 EBADF (Bad file descriptor) [pid 5119] close(16) = -1 EBADF (Bad file descriptor) [pid 5119] close(17) = -1 EBADF (Bad file descriptor) [pid 5119] close(18) = -1 EBADF (Bad file descriptor) [pid 5119] close(19) = -1 EBADF (Bad file descriptor) [pid 5119] close(20) = -1 EBADF (Bad file descriptor) [pid 5119] close(21) = -1 EBADF (Bad file descriptor) [pid 5119] close(22) = -1 EBADF (Bad file descriptor) [pid 5119] close(23) = -1 EBADF (Bad file descriptor) [pid 5119] close(24) = -1 EBADF (Bad file descriptor) [pid 5119] close(25) = -1 EBADF (Bad file descriptor) [pid 5119] close(26) = -1 EBADF (Bad file descriptor) [pid 5119] close(27) = -1 EBADF (Bad file descriptor) [pid 5119] close(28) = -1 EBADF (Bad file descriptor) [pid 5119] close(29) = -1 EBADF (Bad file descriptor) [pid 5119] exit_group(0) = ? [pid 5120] <... futex resumed>) = ? [pid 5123] <... clone resumed>) = ? [pid 5123] +++ exited with 0 +++ [pid 5120] +++ exited with 0 +++ [pid 5119] +++ exited with 0 +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=74, si_uid=0, si_status=0, si_utime=31 /* 0.31 s */, si_stime=119 /* 1.19 s */} --- [pid 5037] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5037] ioctl(3, LOOP_CLR_FD) = 0 [pid 5037] close(3) = 0 [pid 5037] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cdf690) = 78 ./strace-static-x86_64: Process 5125 attached [pid 5125] set_robust_list(0x555555cdf6a0, 24) = 0 [pid 5125] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5125] setpgid(0, 0) = 0 [pid 5125] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5125] write(3, "1000", 4) = 4 [pid 5125] close(3) = 0 [pid 5125] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5125] rt_sigaction(SIGRT_1, {sa_handler=0x7fd0d78ba680, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0d78abd30}, NULL, 8) = 0 [pid 5125] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5125] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d7831000 [pid 5125] mprotect(0x7fd0d7832000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5125] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5125] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d7851990, parent_tid=0x7fd0d7851990, exit_signal=0, stack=0x7fd0d7831000, stack_size=0x20300, tls=0x7fd0d78516c0} => {parent_tid=[79]}, 88) = 79 [pid 5125] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5125] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5125] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5126 attached [pid 5126] rseq(0x7fd0d7851fe0, 0x20, 0, 0x53053053) = 0 [pid 5126] set_robust_list(0x7fd0d78519a0, 24) = 0 [pid 5126] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5126] memfd_create("syzkaller", 0) = 3 [pid 5126] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0cf431000 [ 106.768472][ T5126] syz-executor317[5126]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5124] +++ killed by SIGSEGV (core dumped) +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=77, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=50 /* 0.50 s */} --- [pid 5126] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 67108864) = 67108864 [pid 5126] munmap(0x7fd0cf431000, 67108864) = 0 [pid 5126] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5126] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5126] ioctl(4, LOOP_CLR_FD) = 0 [pid 5126] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5126] close(4) = 0 [pid 5126] close(3) = 0 [pid 5126] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5125] <... futex resumed>) = 0 [pid 5126] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5125] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5126] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5126] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5125] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5125] futex(0x7fd0d792b5fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5125] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5126] <... mmap resumed>) = 0x20000000 [pid 5125] <... mmap resumed>) = 0x7fd0d3410000 [pid 5125] mprotect(0x7fd0d3411000, 131072, PROT_READ|PROT_WRITE [pid 5126] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5125] <... mprotect resumed>) = 0 [pid 5125] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5125] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d3430990, parent_tid=0x7fd0d3430990, exit_signal=0, stack=0x7fd0d3410000, stack_size=0x20300, tls=0x7fd0d34306c0} [pid 5126] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5127 attached [pid 5125] <... clone3 resumed> => {parent_tid=[80]}, 88) = 80 [pid 5125] rt_sigprocmask(SIG_SETMASK, [], [pid 5127] rseq(0x7fd0d3430fe0, 0x20, 0, 0x53053053 [pid 5125] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5127] <... rseq resumed>) = 0 [pid 5125] futex(0x7fd0d792b5f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5127] set_robust_list(0x7fd0d34309a0, 24 [pid 5125] <... futex resumed>) = 0 [pid 5127] <... set_robust_list resumed>) = 0 [pid 5127] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5127] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO [pid 5125] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5126] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5128 attached [pid 5128] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5125] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5125] close(3) = -1 EBADF (Bad file descriptor) [pid 5125] close(4) = -1 EBADF (Bad file descriptor) [pid 5125] close(5) = -1 EBADF (Bad file descriptor) [pid 5125] close(6) = -1 EBADF (Bad file descriptor) [pid 5125] close(7) = -1 EBADF (Bad file descriptor) [pid 5125] close(8) = -1 EBADF (Bad file descriptor) [pid 5125] close(9) = -1 EBADF (Bad file descriptor) [pid 5125] close(10) = -1 EBADF (Bad file descriptor) [pid 5125] close(11) = -1 EBADF (Bad file descriptor) [pid 5125] close(12) = -1 EBADF (Bad file descriptor) [pid 5125] close(13) = -1 EBADF (Bad file descriptor) [pid 5125] close(14) = -1 EBADF (Bad file descriptor) [pid 5125] close(15) = -1 EBADF (Bad file descriptor) [pid 5125] close(16) = -1 EBADF (Bad file descriptor) [pid 5125] close(17) = -1 EBADF (Bad file descriptor) [pid 5125] close(18) = -1 EBADF (Bad file descriptor) [pid 5125] close(19) = -1 EBADF (Bad file descriptor) [pid 5125] close(20) = -1 EBADF (Bad file descriptor) [pid 5125] close(21) = -1 EBADF (Bad file descriptor) [pid 5125] close(22) = -1 EBADF (Bad file descriptor) [pid 5125] close(23) = -1 EBADF (Bad file descriptor) [pid 5125] close(24) = -1 EBADF (Bad file descriptor) [pid 5125] close(25) = -1 EBADF (Bad file descriptor) [pid 5125] close(26) = -1 EBADF (Bad file descriptor) [pid 5125] close(27) = -1 EBADF (Bad file descriptor) [pid 5125] close(28) = -1 EBADF (Bad file descriptor) [pid 5125] close(29) = -1 EBADF (Bad file descriptor) [pid 5125] exit_group(0) = ? [pid 5126] <... futex resumed>) = ? [pid 5126] +++ exited with 0 +++ [pid 5127] <... clone resumed>) = ? [pid 5127] +++ exited with 0 +++ [pid 5125] +++ exited with 0 +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=78, si_uid=0, si_status=0, si_utime=34 /* 0.34 s */, si_stime=114 /* 1.14 s */} --- [pid 5037] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5037] ioctl(3, LOOP_CLR_FD) = 0 [pid 5037] close(3) = 0 [pid 5037] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cdf690) = 82 ./strace-static-x86_64: Process 5129 attached [pid 5129] set_robust_list(0x555555cdf6a0, 24) = 0 [pid 5129] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5129] setpgid(0, 0) = 0 [pid 5129] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5129] write(3, "1000", 4) = 4 [pid 5129] close(3) = 0 [pid 5129] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5129] rt_sigaction(SIGRT_1, {sa_handler=0x7fd0d78ba680, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0d78abd30}, NULL, 8) = 0 [pid 5129] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5129] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d7831000 [pid 5129] mprotect(0x7fd0d7832000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5129] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5129] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d7851990, parent_tid=0x7fd0d7851990, exit_signal=0, stack=0x7fd0d7831000, stack_size=0x20300, tls=0x7fd0d78516c0}./strace-static-x86_64: Process 5130 attached => {parent_tid=[83]}, 88) = 83 [pid 5130] rseq(0x7fd0d7851fe0, 0x20, 0, 0x53053053) = 0 [pid 5130] set_robust_list(0x7fd0d78519a0, 24) = 0 [pid 5130] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5130] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5129] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5129] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5130] <... futex resumed>) = 0 [pid 5129] <... futex resumed>) = 1 [pid 5130] memfd_create("syzkaller", 0 [pid 5129] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5130] <... memfd_create resumed>) = 3 [pid 5130] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0cf431000 [ 108.867886][ T5130] syz-executor317[5130]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5128] +++ killed by SIGSEGV (core dumped) +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=81, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=51 /* 0.51 s */} --- [pid 5130] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 67108864) = 67108864 [pid 5130] munmap(0x7fd0cf431000, 67108864) = 0 [pid 5130] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5130] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5130] ioctl(4, LOOP_CLR_FD) = 0 [pid 5130] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5130] close(4) = 0 [pid 5130] close(3) = 0 [pid 5130] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5129] <... futex resumed>) = 0 [pid 5130] <... futex resumed>) = 1 [pid 5129] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5130] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5129] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5129] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5129] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5129] futex(0x7fd0d792b5fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5129] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5130] <... mmap resumed>) = 0x20000000 [pid 5130] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5129] <... mmap resumed>) = 0x7fd0d3410000 [pid 5130] <... futex resumed>) = 0 [pid 5130] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5129] mprotect(0x7fd0d3411000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5129] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5129] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d3430990, parent_tid=0x7fd0d3430990, exit_signal=0, stack=0x7fd0d3410000, stack_size=0x20300, tls=0x7fd0d34306c0}./strace-static-x86_64: Process 5131 attached => {parent_tid=[84]}, 88) = 84 [pid 5131] rseq(0x7fd0d3430fe0, 0x20, 0, 0x53053053 [pid 5129] rt_sigprocmask(SIG_SETMASK, [], [pid 5131] <... rseq resumed>) = 0 [pid 5129] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5131] set_robust_list(0x7fd0d34309a0, 24 [pid 5129] futex(0x7fd0d792b5f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5131] <... set_robust_list resumed>) = 0 [pid 5129] <... futex resumed>) = 0 [pid 5131] rt_sigprocmask(SIG_SETMASK, [], [pid 5129] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5131] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5131] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5132 attached [pid 5132] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5129] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5129] close(3) = -1 EBADF (Bad file descriptor) [pid 5129] close(4) = -1 EBADF (Bad file descriptor) [pid 5129] close(5) = -1 EBADF (Bad file descriptor) [pid 5129] close(6) = -1 EBADF (Bad file descriptor) [pid 5129] close(7) = -1 EBADF (Bad file descriptor) [pid 5129] close(8) = -1 EBADF (Bad file descriptor) [pid 5129] close(9) = -1 EBADF (Bad file descriptor) [pid 5129] close(10) = -1 EBADF (Bad file descriptor) [pid 5129] close(11) = -1 EBADF (Bad file descriptor) [pid 5129] close(12) = -1 EBADF (Bad file descriptor) [pid 5129] close(13) = -1 EBADF (Bad file descriptor) [pid 5129] close(14) = -1 EBADF (Bad file descriptor) [pid 5129] close(15) = -1 EBADF (Bad file descriptor) [pid 5129] close(16) = -1 EBADF (Bad file descriptor) [pid 5129] close(17) = -1 EBADF (Bad file descriptor) [pid 5129] close(18) = -1 EBADF (Bad file descriptor) [pid 5129] close(19) = -1 EBADF (Bad file descriptor) [pid 5129] close(20) = -1 EBADF (Bad file descriptor) [pid 5129] close(21) = -1 EBADF (Bad file descriptor) [pid 5129] close(22) = -1 EBADF (Bad file descriptor) [pid 5129] close(23) = -1 EBADF (Bad file descriptor) [pid 5129] close(24) = -1 EBADF (Bad file descriptor) [pid 5129] close(25) = -1 EBADF (Bad file descriptor) [pid 5129] close(26) = -1 EBADF (Bad file descriptor) [pid 5129] close(27) = -1 EBADF (Bad file descriptor) [pid 5129] close(28) = -1 EBADF (Bad file descriptor) [pid 5129] close(29) = -1 EBADF (Bad file descriptor) [pid 5129] exit_group(0 [pid 5130] <... futex resumed>) = ? [pid 5129] <... exit_group resumed>) = ? [pid 5131] <... clone resumed>) = ? [pid 5131] +++ exited with 0 +++ [pid 5130] +++ exited with 0 +++ [pid 5129] +++ exited with 0 +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=82, si_uid=0, si_status=0, si_utime=28 /* 0.28 s */, si_stime=118 /* 1.18 s */} --- [pid 5037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5037] ioctl(3, LOOP_CLR_FD) = 0 [pid 5037] close(3) = 0 [pid 5037] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5133 attached , child_tidptr=0x555555cdf690) = 86 [pid 5133] set_robust_list(0x555555cdf6a0, 24) = 0 [pid 5133] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5133] setpgid(0, 0) = 0 [pid 5133] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5133] write(3, "1000", 4) = 4 [pid 5133] close(3) = 0 [pid 5133] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5133] rt_sigaction(SIGRT_1, {sa_handler=0x7fd0d78ba680, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0d78abd30}, NULL, 8) = 0 [pid 5133] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5133] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d7831000 [pid 5133] mprotect(0x7fd0d7832000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5133] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5133] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d7851990, parent_tid=0x7fd0d7851990, exit_signal=0, stack=0x7fd0d7831000, stack_size=0x20300, tls=0x7fd0d78516c0}./strace-static-x86_64: Process 5134 attached => {parent_tid=[87]}, 88) = 87 [pid 5133] rt_sigprocmask(SIG_SETMASK, [], [pid 5134] rseq(0x7fd0d7851fe0, 0x20, 0, 0x53053053 [pid 5133] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5134] <... rseq resumed>) = 0 [pid 5133] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5133] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5134] set_robust_list(0x7fd0d78519a0, 24) = 0 [pid 5134] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5134] memfd_create("syzkaller", 0) = 3 [pid 5134] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0cf431000 [ 110.855788][ T5134] syz-executor317[5134]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5132] +++ killed by SIGSEGV (core dumped) +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=85, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=48 /* 0.48 s */} --- [pid 5037] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5134] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 67108864) = 67108864 [pid 5134] munmap(0x7fd0cf431000, 67108864) = 0 [pid 5134] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5134] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5134] ioctl(4, LOOP_CLR_FD) = 0 [pid 5134] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5134] close(4) = 0 [pid 5134] close(3) = 0 [pid 5134] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5134] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5133] <... futex resumed>) = 0 [pid 5133] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5133] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5134] <... futex resumed>) = 0 [pid 5134] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5133] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5133] futex(0x7fd0d792b5fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5133] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d3410000 [pid 5133] mprotect(0x7fd0d3411000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5133] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5133] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d3430990, parent_tid=0x7fd0d3430990, exit_signal=0, stack=0x7fd0d3410000, stack_size=0x20300, tls=0x7fd0d34306c0} => {parent_tid=[88]}, 88) = 88 [pid 5133] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5133] futex(0x7fd0d792b5f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5133] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5134] <... mmap resumed>) = 0x20000000 [pid 5134] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5134] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5135 attached [pid 5135] rseq(0x7fd0d3430fe0, 0x20, 0, 0x53053053) = 0 [pid 5135] set_robust_list(0x7fd0d34309a0, 24) = 0 [pid 5135] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5135] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5136 attached [pid 5136] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5133] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5133] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5133] close(3) = -1 EBADF (Bad file descriptor) [pid 5133] close(4) = -1 EBADF (Bad file descriptor) [pid 5133] close(5) = -1 EBADF (Bad file descriptor) [pid 5133] close(6) = -1 EBADF (Bad file descriptor) [pid 5133] close(7) = -1 EBADF (Bad file descriptor) [pid 5133] close(8) = -1 EBADF (Bad file descriptor) [pid 5133] close(9) = -1 EBADF (Bad file descriptor) [pid 5133] close(10) = -1 EBADF (Bad file descriptor) [pid 5133] close(11) = -1 EBADF (Bad file descriptor) [pid 5133] close(12) = -1 EBADF (Bad file descriptor) [pid 5133] close(13) = -1 EBADF (Bad file descriptor) [pid 5133] close(14) = -1 EBADF (Bad file descriptor) [pid 5133] close(15) = -1 EBADF (Bad file descriptor) [pid 5133] close(16) = -1 EBADF (Bad file descriptor) [pid 5133] close(17) = -1 EBADF (Bad file descriptor) [pid 5133] close(18) = -1 EBADF (Bad file descriptor) [pid 5133] close(19) = -1 EBADF (Bad file descriptor) [pid 5133] close(20) = -1 EBADF (Bad file descriptor) [pid 5133] close(21) = -1 EBADF (Bad file descriptor) [pid 5133] close(22) = -1 EBADF (Bad file descriptor) [pid 5133] close(23) = -1 EBADF (Bad file descriptor) [pid 5133] close(24) = -1 EBADF (Bad file descriptor) [pid 5133] close(25) = -1 EBADF (Bad file descriptor) [pid 5133] close(26) = -1 EBADF (Bad file descriptor) [pid 5133] close(27) = -1 EBADF (Bad file descriptor) [pid 5133] close(28) = -1 EBADF (Bad file descriptor) [pid 5133] close(29) = -1 EBADF (Bad file descriptor) [pid 5133] exit_group(0) = ? [pid 5135] <... clone resumed>) = ? [pid 5134] <... futex resumed>) = ? [pid 5135] +++ exited with 0 +++ [pid 5134] +++ exited with 0 +++ [pid 5133] +++ exited with 0 +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=86, si_uid=0, si_status=0, si_utime=33 /* 0.33 s */, si_stime=110 /* 1.10 s */} --- [pid 5037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5037] ioctl(3, LOOP_CLR_FD) = 0 [pid 5037] close(3) = 0 [pid 5037] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cdf690) = 90 ./strace-static-x86_64: Process 5137 attached [pid 5137] set_robust_list(0x555555cdf6a0, 24) = 0 [pid 5137] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5137] setpgid(0, 0) = 0 [pid 5137] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5137] write(3, "1000", 4) = 4 [pid 5137] close(3) = 0 [pid 5137] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5137] rt_sigaction(SIGRT_1, {sa_handler=0x7fd0d78ba680, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0d78abd30}, NULL, 8) = 0 [pid 5137] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5137] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d7831000 [pid 5137] mprotect(0x7fd0d7832000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5137] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5137] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d7851990, parent_tid=0x7fd0d7851990, exit_signal=0, stack=0x7fd0d7831000, stack_size=0x20300, tls=0x7fd0d78516c0}./strace-static-x86_64: Process 5138 attached => {parent_tid=[91]}, 88) = 91 [pid 5137] rt_sigprocmask(SIG_SETMASK, [], [pid 5138] rseq(0x7fd0d7851fe0, 0x20, 0, 0x53053053) = 0 [pid 5137] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5138] set_robust_list(0x7fd0d78519a0, 24 [pid 5137] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5138] <... set_robust_list resumed>) = 0 [pid 5138] rt_sigprocmask(SIG_SETMASK, [], [pid 5137] <... futex resumed>) = 0 [pid 5138] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5137] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5138] memfd_create("syzkaller", 0) = 3 [pid 5138] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0cf431000 [ 112.965551][ T5138] syz-executor317[5138]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5136] +++ killed by SIGSEGV (core dumped) +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=89, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=47 /* 0.47 s */} --- [pid 5037] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5138] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 67108864) = 67108864 [pid 5138] munmap(0x7fd0cf431000, 67108864) = 0 [pid 5138] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5138] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5138] ioctl(4, LOOP_CLR_FD) = 0 [pid 5138] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5138] close(4) = 0 [pid 5138] close(3) = 0 [pid 5138] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5137] <... futex resumed>) = 0 [pid 5137] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5137] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5138] <... futex resumed>) = 1 [pid 5138] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5137] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5137] futex(0x7fd0d792b5fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5137] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d3410000 [pid 5137] mprotect(0x7fd0d3411000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5137] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5137] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d3430990, parent_tid=0x7fd0d3430990, exit_signal=0, stack=0x7fd0d3410000, stack_size=0x20300, tls=0x7fd0d34306c0}./strace-static-x86_64: Process 5139 attached => {parent_tid=[92]}, 88) = 92 [pid 5137] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5137] futex(0x7fd0d792b5f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5137] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5138] <... mmap resumed>) = 0x20000000 [pid 5138] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5138] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5139] rseq(0x7fd0d3430fe0, 0x20, 0, 0x53053053) = 0 [pid 5139] set_robust_list(0x7fd0d34309a0, 24) = 0 [pid 5139] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5139] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5140 attached [pid 5140] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5137] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5137] close(3) = -1 EBADF (Bad file descriptor) [pid 5137] close(4) = -1 EBADF (Bad file descriptor) [pid 5137] close(5) = -1 EBADF (Bad file descriptor) [pid 5137] close(6) = -1 EBADF (Bad file descriptor) [pid 5137] close(7) = -1 EBADF (Bad file descriptor) [pid 5137] close(8) = -1 EBADF (Bad file descriptor) [pid 5137] close(9) = -1 EBADF (Bad file descriptor) [pid 5137] close(10) = -1 EBADF (Bad file descriptor) [pid 5137] close(11) = -1 EBADF (Bad file descriptor) [pid 5137] close(12) = -1 EBADF (Bad file descriptor) [pid 5137] close(13) = -1 EBADF (Bad file descriptor) [pid 5137] close(14) = -1 EBADF (Bad file descriptor) [pid 5137] close(15) = -1 EBADF (Bad file descriptor) [pid 5137] close(16) = -1 EBADF (Bad file descriptor) [pid 5137] close(17) = -1 EBADF (Bad file descriptor) [pid 5137] close(18) = -1 EBADF (Bad file descriptor) [pid 5137] close(19) = -1 EBADF (Bad file descriptor) [pid 5137] close(20) = -1 EBADF (Bad file descriptor) [pid 5137] close(21) = -1 EBADF (Bad file descriptor) [pid 5137] close(22) = -1 EBADF (Bad file descriptor) [pid 5137] close(23) = -1 EBADF (Bad file descriptor) [pid 5137] close(24) = -1 EBADF (Bad file descriptor) [pid 5137] close(25) = -1 EBADF (Bad file descriptor) [pid 5137] close(26) = -1 EBADF (Bad file descriptor) [pid 5137] close(27) = -1 EBADF (Bad file descriptor) [pid 5137] close(28) = -1 EBADF (Bad file descriptor) [pid 5137] close(29) = -1 EBADF (Bad file descriptor) [pid 5137] exit_group(0) = ? [pid 5139] <... clone resumed>) = ? [pid 5139] +++ exited with 0 +++ [pid 5138] <... futex resumed>) = ? [pid 5138] +++ exited with 0 +++ [pid 5137] +++ exited with 0 +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=90, si_uid=0, si_status=0, si_utime=31 /* 0.31 s */, si_stime=119 /* 1.19 s */} --- [pid 5037] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5037] ioctl(3, LOOP_CLR_FD) = 0 [pid 5037] close(3) = 0 [pid 5037] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cdf690) = 94 ./strace-static-x86_64: Process 5141 attached [pid 5141] set_robust_list(0x555555cdf6a0, 24) = 0 [pid 5141] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5141] setpgid(0, 0) = 0 [pid 5141] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5141] write(3, "1000", 4) = 4 [pid 5141] close(3) = 0 [pid 5141] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5141] rt_sigaction(SIGRT_1, {sa_handler=0x7fd0d78ba680, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0d78abd30}, NULL, 8) = 0 [pid 5141] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5141] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d7831000 [pid 5141] mprotect(0x7fd0d7832000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5141] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5141] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d7851990, parent_tid=0x7fd0d7851990, exit_signal=0, stack=0x7fd0d7831000, stack_size=0x20300, tls=0x7fd0d78516c0} => {parent_tid=[95]}, 88) = 95 [pid 5141] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5141] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5141] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5142 attached [pid 5142] rseq(0x7fd0d7851fe0, 0x20, 0, 0x53053053) = 0 [pid 5142] set_robust_list(0x7fd0d78519a0, 24) = 0 [pid 5142] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5142] memfd_create("syzkaller", 0) = 3 [pid 5142] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0cf431000 [ 114.978108][ T5142] syz-executor317[5142]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5140] +++ killed by SIGSEGV (core dumped) +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=93, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=49 /* 0.49 s */} --- [pid 5037] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5142] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 67108864) = 67108864 [pid 5142] munmap(0x7fd0cf431000, 67108864) = 0 [pid 5142] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5142] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5142] ioctl(4, LOOP_CLR_FD) = 0 [pid 5142] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5142] close(4) = 0 [pid 5142] close(3) = 0 [pid 5142] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5141] <... futex resumed>) = 0 [pid 5141] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5141] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5142] <... futex resumed>) = 1 [pid 5142] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5141] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5141] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5141] futex(0x7fd0d792b5fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5141] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d3410000 [pid 5141] mprotect(0x7fd0d3411000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5141] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5141] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d3430990, parent_tid=0x7fd0d3430990, exit_signal=0, stack=0x7fd0d3410000, stack_size=0x20300, tls=0x7fd0d34306c0}./strace-static-x86_64: Process 5143 attached => {parent_tid=[96]}, 88) = 96 [pid 5141] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5141] futex(0x7fd0d792b5f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5143] rseq(0x7fd0d3430fe0, 0x20, 0, 0x53053053 [pid 5141] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5142] <... mmap resumed>) = 0x20000000 [pid 5142] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5142] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5143] <... rseq resumed>) = 0 [pid 5143] set_robust_list(0x7fd0d34309a0, 24) = 0 [pid 5143] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5143] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5144 attached [pid 5144] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5141] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5141] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5141] close(3) = -1 EBADF (Bad file descriptor) [pid 5141] close(4) = -1 EBADF (Bad file descriptor) [pid 5141] close(5) = -1 EBADF (Bad file descriptor) [pid 5141] close(6) = -1 EBADF (Bad file descriptor) [pid 5141] close(7) = -1 EBADF (Bad file descriptor) [pid 5141] close(8) = -1 EBADF (Bad file descriptor) [pid 5141] close(9) = -1 EBADF (Bad file descriptor) [pid 5141] close(10) = -1 EBADF (Bad file descriptor) [pid 5141] close(11) = -1 EBADF (Bad file descriptor) [pid 5141] close(12) = -1 EBADF (Bad file descriptor) [pid 5141] close(13) = -1 EBADF (Bad file descriptor) [pid 5141] close(14) = -1 EBADF (Bad file descriptor) [pid 5141] close(15) = -1 EBADF (Bad file descriptor) [pid 5141] close(16) = -1 EBADF (Bad file descriptor) [pid 5141] close(17) = -1 EBADF (Bad file descriptor) [pid 5141] close(18) = -1 EBADF (Bad file descriptor) [pid 5141] close(19) = -1 EBADF (Bad file descriptor) [pid 5141] close(20) = -1 EBADF (Bad file descriptor) [pid 5141] close(21) = -1 EBADF (Bad file descriptor) [pid 5141] close(22) = -1 EBADF (Bad file descriptor) [pid 5141] close(23) = -1 EBADF (Bad file descriptor) [pid 5141] close(24) = -1 EBADF (Bad file descriptor) [pid 5141] close(25) = -1 EBADF (Bad file descriptor) [pid 5141] close(26) = -1 EBADF (Bad file descriptor) [pid 5141] close(27) = -1 EBADF (Bad file descriptor) [pid 5141] close(28) = -1 EBADF (Bad file descriptor) [pid 5141] close(29) = -1 EBADF (Bad file descriptor) [pid 5141] exit_group(0) = ? [pid 5142] <... futex resumed>) = ? [pid 5143] <... clone resumed>) = ? [pid 5142] +++ exited with 0 +++ [pid 5143] +++ exited with 0 +++ [pid 5141] +++ exited with 0 +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=94, si_uid=0, si_status=0, si_utime=27 /* 0.27 s */, si_stime=116 /* 1.16 s */} --- [pid 5037] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5037] ioctl(3, LOOP_CLR_FD) = 0 [pid 5037] close(3) = 0 [pid 5037] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cdf690) = 98 ./strace-static-x86_64: Process 5145 attached [pid 5145] set_robust_list(0x555555cdf6a0, 24) = 0 [pid 5145] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5145] setpgid(0, 0) = 0 [pid 5145] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5145] write(3, "1000", 4) = 4 [pid 5145] close(3) = 0 [pid 5145] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5145] rt_sigaction(SIGRT_1, {sa_handler=0x7fd0d78ba680, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0d78abd30}, NULL, 8) = 0 [pid 5145] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5145] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d7831000 [pid 5145] mprotect(0x7fd0d7832000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5145] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5145] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d7851990, parent_tid=0x7fd0d7851990, exit_signal=0, stack=0x7fd0d7831000, stack_size=0x20300, tls=0x7fd0d78516c0} => {parent_tid=[99]}, 88) = 99 [pid 5145] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5145] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5145] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5146 attached [pid 5146] rseq(0x7fd0d7851fe0, 0x20, 0, 0x53053053) = 0 [pid 5146] set_robust_list(0x7fd0d78519a0, 24) = 0 [pid 5146] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5146] memfd_create("syzkaller", 0) = 3 [pid 5146] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0cf431000 [ 117.018703][ T5146] syz-executor317[5146]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5144] +++ killed by SIGSEGV (core dumped) +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=97, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=49 /* 0.49 s */} --- [pid 5037] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5146] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 67108864) = 67108864 [pid 5146] munmap(0x7fd0cf431000, 67108864) = 0 [pid 5146] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5146] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5146] ioctl(4, LOOP_CLR_FD) = 0 [pid 5146] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5146] close(4) = 0 [pid 5146] close(3) = 0 [pid 5146] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5145] <... futex resumed>) = 0 [pid 5146] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5145] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5146] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5146] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5145] <... futex resumed>) = 0 [pid 5145] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5145] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5145] futex(0x7fd0d792b5fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5145] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5146] <... mmap resumed>) = 0x20000000 [pid 5145] <... mmap resumed>) = 0x7fd0d3410000 [pid 5145] mprotect(0x7fd0d3411000, 131072, PROT_READ|PROT_WRITE [pid 5146] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5146] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5145] <... mprotect resumed>) = 0 [pid 5145] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5145] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d3430990, parent_tid=0x7fd0d3430990, exit_signal=0, stack=0x7fd0d3410000, stack_size=0x20300, tls=0x7fd0d34306c0}./strace-static-x86_64: Process 5147 attached => {parent_tid=[100]}, 88) = 100 [pid 5147] rseq(0x7fd0d3430fe0, 0x20, 0, 0x53053053) = 0 [pid 5147] set_robust_list(0x7fd0d34309a0, 24) = 0 [pid 5145] rt_sigprocmask(SIG_SETMASK, [], [pid 5147] rt_sigprocmask(SIG_SETMASK, [], [pid 5145] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5147] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5145] futex(0x7fd0d792b5f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5147] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO [pid 5145] <... futex resumed>) = 0 [pid 5145] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5148 attached [pid 5148] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5145] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5145] close(3) = -1 EBADF (Bad file descriptor) [pid 5145] close(4) = -1 EBADF (Bad file descriptor) [pid 5145] close(5) = -1 EBADF (Bad file descriptor) [pid 5145] close(6) = -1 EBADF (Bad file descriptor) [pid 5145] close(7) = -1 EBADF (Bad file descriptor) [pid 5145] close(8) = -1 EBADF (Bad file descriptor) [pid 5145] close(9) = -1 EBADF (Bad file descriptor) [pid 5145] close(10) = -1 EBADF (Bad file descriptor) [pid 5145] close(11) = -1 EBADF (Bad file descriptor) [pid 5145] close(12) = -1 EBADF (Bad file descriptor) [pid 5145] close(13) = -1 EBADF (Bad file descriptor) [pid 5145] close(14) = -1 EBADF (Bad file descriptor) [pid 5145] close(15) = -1 EBADF (Bad file descriptor) [pid 5145] close(16) = -1 EBADF (Bad file descriptor) [pid 5145] close(17) = -1 EBADF (Bad file descriptor) [pid 5145] close(18) = -1 EBADF (Bad file descriptor) [pid 5145] close(19) = -1 EBADF (Bad file descriptor) [pid 5145] close(20) = -1 EBADF (Bad file descriptor) [pid 5145] close(21) = -1 EBADF (Bad file descriptor) [pid 5145] close(22) = -1 EBADF (Bad file descriptor) [pid 5145] close(23) = -1 EBADF (Bad file descriptor) [pid 5145] close(24) = -1 EBADF (Bad file descriptor) [pid 5145] close(25) = -1 EBADF (Bad file descriptor) [pid 5145] close(26) = -1 EBADF (Bad file descriptor) [pid 5145] close(27) = -1 EBADF (Bad file descriptor) [pid 5145] close(28) = -1 EBADF (Bad file descriptor) [pid 5145] close(29) = -1 EBADF (Bad file descriptor) [pid 5145] exit_group(0) = ? [pid 5146] <... futex resumed>) = ? [pid 5146] +++ exited with 0 +++ [pid 5147] <... clone resumed>) = ? [pid 5147] +++ exited with 0 +++ [pid 5145] +++ exited with 0 +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=98, si_uid=0, si_status=0, si_utime=32 /* 0.32 s */, si_stime=113 /* 1.13 s */} --- [pid 5037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5037] ioctl(3, LOOP_CLR_FD) = 0 [pid 5037] close(3) = 0 [pid 5037] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5149 attached [pid 5149] set_robust_list(0x555555cdf6a0, 24) = 0 [pid 5149] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5149] setpgid(0, 0 [pid 5037] <... clone resumed>, child_tidptr=0x555555cdf690) = 102 [pid 5149] <... setpgid resumed>) = 0 [pid 5149] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5149] write(3, "1000", 4) = 4 [pid 5149] close(3) = 0 [pid 5149] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5149] rt_sigaction(SIGRT_1, {sa_handler=0x7fd0d78ba680, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0d78abd30}, NULL, 8) = 0 [pid 5149] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5149] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d7831000 [pid 5149] mprotect(0x7fd0d7832000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5149] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5149] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d7851990, parent_tid=0x7fd0d7851990, exit_signal=0, stack=0x7fd0d7831000, stack_size=0x20300, tls=0x7fd0d78516c0}./strace-static-x86_64: Process 5150 attached => {parent_tid=[103]}, 88) = 103 [pid 5149] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5149] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5149] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5150] rseq(0x7fd0d7851fe0, 0x20, 0, 0x53053053) = 0 [pid 5150] set_robust_list(0x7fd0d78519a0, 24) = 0 [pid 5150] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5150] memfd_create("syzkaller", 0) = 3 [pid 5150] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0cf431000 [ 119.158047][ T5150] syz-executor317[5150]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5148] +++ killed by SIGSEGV (core dumped) +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=101, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=49 /* 0.49 s */} --- [pid 5037] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5150] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 67108864) = 67108864 [pid 5150] munmap(0x7fd0cf431000, 67108864) = 0 [pid 5150] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5150] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5150] ioctl(4, LOOP_CLR_FD) = 0 [pid 5150] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5150] close(4) = 0 [pid 5150] close(3) = 0 [pid 5150] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5149] <... futex resumed>) = 0 [pid 5149] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5149] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5150] <... futex resumed>) = 1 [pid 5150] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5149] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5149] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5149] futex(0x7fd0d792b5fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5149] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d3410000 [pid 5149] mprotect(0x7fd0d3411000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5149] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5149] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d3430990, parent_tid=0x7fd0d3430990, exit_signal=0, stack=0x7fd0d3410000, stack_size=0x20300, tls=0x7fd0d34306c0}./strace-static-x86_64: Process 5151 attached [pid 5150] <... mmap resumed>) = 0x20000000 [pid 5149] <... clone3 resumed> => {parent_tid=[104]}, 88) = 104 [pid 5151] rseq(0x7fd0d3430fe0, 0x20, 0, 0x53053053 [pid 5150] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5149] rt_sigprocmask(SIG_SETMASK, [], [pid 5151] <... rseq resumed>) = 0 [pid 5150] <... futex resumed>) = 0 [pid 5149] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5151] set_robust_list(0x7fd0d34309a0, 24 [pid 5150] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5149] futex(0x7fd0d792b5f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5151] <... set_robust_list resumed>) = 0 [pid 5149] <... futex resumed>) = 0 [pid 5151] rt_sigprocmask(SIG_SETMASK, [], [pid 5149] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5151] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5151] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5152 attached [pid 5152] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5149] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5149] close(3) = -1 EBADF (Bad file descriptor) [pid 5149] close(4) = -1 EBADF (Bad file descriptor) [pid 5149] close(5) = -1 EBADF (Bad file descriptor) [pid 5149] close(6) = -1 EBADF (Bad file descriptor) [pid 5149] close(7) = -1 EBADF (Bad file descriptor) [pid 5149] close(8) = -1 EBADF (Bad file descriptor) [pid 5149] close(9) = -1 EBADF (Bad file descriptor) [pid 5149] close(10) = -1 EBADF (Bad file descriptor) [pid 5149] close(11) = -1 EBADF (Bad file descriptor) [pid 5149] close(12) = -1 EBADF (Bad file descriptor) [pid 5149] close(13) = -1 EBADF (Bad file descriptor) [pid 5149] close(14) = -1 EBADF (Bad file descriptor) [pid 5149] close(15) = -1 EBADF (Bad file descriptor) [pid 5149] close(16) = -1 EBADF (Bad file descriptor) [pid 5149] close(17) = -1 EBADF (Bad file descriptor) [pid 5149] close(18) = -1 EBADF (Bad file descriptor) [pid 5149] close(19) = -1 EBADF (Bad file descriptor) [pid 5149] close(20) = -1 EBADF (Bad file descriptor) [pid 5149] close(21) = -1 EBADF (Bad file descriptor) [pid 5149] close(22) = -1 EBADF (Bad file descriptor) [pid 5149] close(23) = -1 EBADF (Bad file descriptor) [pid 5149] close(24) = -1 EBADF (Bad file descriptor) [pid 5149] close(25) = -1 EBADF (Bad file descriptor) [pid 5149] close(26) = -1 EBADF (Bad file descriptor) [pid 5149] close(27) = -1 EBADF (Bad file descriptor) [pid 5149] close(28) = -1 EBADF (Bad file descriptor) [pid 5149] close(29) = -1 EBADF (Bad file descriptor) [pid 5149] exit_group(0 [pid 5151] <... clone resumed>) = ? [pid 5150] <... futex resumed>) = ? [pid 5149] <... exit_group resumed>) = ? [pid 5150] +++ exited with 0 +++ [pid 5151] +++ exited with 0 +++ [pid 5149] +++ exited with 0 +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=102, si_uid=0, si_status=0, si_utime=32 /* 0.32 s */, si_stime=115 /* 1.15 s */} --- [pid 5037] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5037] ioctl(3, LOOP_CLR_FD) = 0 [pid 5037] close(3) = 0 [pid 5037] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5153 attached , child_tidptr=0x555555cdf690) = 106 [pid 5153] set_robust_list(0x555555cdf6a0, 24) = 0 [pid 5153] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5153] setpgid(0, 0) = 0 [pid 5153] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5153] write(3, "1000", 4) = 4 [pid 5153] close(3) = 0 [pid 5153] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5153] rt_sigaction(SIGRT_1, {sa_handler=0x7fd0d78ba680, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0d78abd30}, NULL, 8) = 0 [pid 5153] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5153] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d7831000 [pid 5153] mprotect(0x7fd0d7832000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5153] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5153] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d7851990, parent_tid=0x7fd0d7851990, exit_signal=0, stack=0x7fd0d7831000, stack_size=0x20300, tls=0x7fd0d78516c0}./strace-static-x86_64: Process 5154 attached => {parent_tid=[107]}, 88) = 107 [pid 5154] rseq(0x7fd0d7851fe0, 0x20, 0, 0x53053053 [pid 5153] rt_sigprocmask(SIG_SETMASK, [], [pid 5154] <... rseq resumed>) = 0 [pid 5153] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5154] set_robust_list(0x7fd0d78519a0, 24 [pid 5153] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5154] <... set_robust_list resumed>) = 0 [pid 5153] <... futex resumed>) = 0 [pid 5154] rt_sigprocmask(SIG_SETMASK, [], [pid 5153] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5154] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5154] memfd_create("syzkaller", 0) = 3 [pid 5154] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0cf431000 [ 121.256083][ T5154] syz-executor317[5154]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5152] +++ killed by SIGSEGV (core dumped) +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=105, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=54 /* 0.54 s */} --- [pid 5037] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5154] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 67108864) = 67108864 [pid 5154] munmap(0x7fd0cf431000, 67108864) = 0 [pid 5154] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5154] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5154] ioctl(4, LOOP_CLR_FD) = 0 [pid 5154] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5154] close(4) = 0 [pid 5154] close(3) = 0 [pid 5154] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5153] <... futex resumed>) = 0 [pid 5153] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5153] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5154] <... futex resumed>) = 1 [pid 5154] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5153] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5153] futex(0x7fd0d792b5fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5153] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d3410000 [pid 5153] mprotect(0x7fd0d3411000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5153] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5153] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d3430990, parent_tid=0x7fd0d3430990, exit_signal=0, stack=0x7fd0d3410000, stack_size=0x20300, tls=0x7fd0d34306c0} => {parent_tid=[108]}, 88) = 108 [pid 5153] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5153] futex(0x7fd0d792b5f8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5155 attached ) = 0 [pid 5155] rseq(0x7fd0d3430fe0, 0x20, 0, 0x53053053) = 0 [pid 5155] set_robust_list(0x7fd0d34309a0, 24) = 0 [pid 5155] rt_sigprocmask(SIG_SETMASK, [], [pid 5153] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5155] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5155] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO [pid 5154] <... mmap resumed>) = 0x20000000 [pid 5154] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5154] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5156 attached [pid 5156] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5153] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5153] close(3) = -1 EBADF (Bad file descriptor) [pid 5153] close(4) = -1 EBADF (Bad file descriptor) [pid 5153] close(5) = -1 EBADF (Bad file descriptor) [pid 5153] close(6) = -1 EBADF (Bad file descriptor) [pid 5153] close(7) = -1 EBADF (Bad file descriptor) [pid 5153] close(8) = -1 EBADF (Bad file descriptor) [pid 5153] close(9) = -1 EBADF (Bad file descriptor) [pid 5153] close(10) = -1 EBADF (Bad file descriptor) [pid 5153] close(11) = -1 EBADF (Bad file descriptor) [pid 5153] close(12) = -1 EBADF (Bad file descriptor) [pid 5153] close(13) = -1 EBADF (Bad file descriptor) [pid 5153] close(14) = -1 EBADF (Bad file descriptor) [pid 5153] close(15) = -1 EBADF (Bad file descriptor) [pid 5153] close(16) = -1 EBADF (Bad file descriptor) [pid 5153] close(17) = -1 EBADF (Bad file descriptor) [pid 5153] close(18) = -1 EBADF (Bad file descriptor) [pid 5153] close(19) = -1 EBADF (Bad file descriptor) [pid 5153] close(20) = -1 EBADF (Bad file descriptor) [pid 5153] close(21) = -1 EBADF (Bad file descriptor) [pid 5153] close(22) = -1 EBADF (Bad file descriptor) [pid 5153] close(23) = -1 EBADF (Bad file descriptor) [pid 5153] close(24) = -1 EBADF (Bad file descriptor) [pid 5153] close(25) = -1 EBADF (Bad file descriptor) [pid 5153] close(26) = -1 EBADF (Bad file descriptor) [pid 5153] close(27) = -1 EBADF (Bad file descriptor) [pid 5153] close(28) = -1 EBADF (Bad file descriptor) [pid 5153] close(29) = -1 EBADF (Bad file descriptor) [pid 5153] exit_group(0) = ? [pid 5154] <... futex resumed>) = ? [pid 5155] <... clone resumed>) = ? [pid 5154] +++ exited with 0 +++ [pid 5155] +++ exited with 0 +++ [pid 5153] +++ exited with 0 +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=106, si_uid=0, si_status=0, si_utime=30 /* 0.30 s */, si_stime=111 /* 1.11 s */} --- [pid 5037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5037] ioctl(3, LOOP_CLR_FD) = 0 [pid 5037] close(3) = 0 [pid 5037] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cdf690) = 110 ./strace-static-x86_64: Process 5157 attached [pid 5157] set_robust_list(0x555555cdf6a0, 24) = 0 [pid 5157] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5157] setpgid(0, 0) = 0 [pid 5157] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5157] write(3, "1000", 4) = 4 [pid 5157] close(3) = 0 [pid 5157] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5157] rt_sigaction(SIGRT_1, {sa_handler=0x7fd0d78ba680, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0d78abd30}, NULL, 8) = 0 [pid 5157] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5157] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d7831000 [pid 5157] mprotect(0x7fd0d7832000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5157] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5157] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d7851990, parent_tid=0x7fd0d7851990, exit_signal=0, stack=0x7fd0d7831000, stack_size=0x20300, tls=0x7fd0d78516c0}./strace-static-x86_64: Process 5158 attached => {parent_tid=[111]}, 88) = 111 [pid 5157] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5157] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5158] rseq(0x7fd0d7851fe0, 0x20, 0, 0x53053053 [pid 5157] <... futex resumed>) = 0 [pid 5157] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5158] <... rseq resumed>) = 0 [pid 5158] set_robust_list(0x7fd0d78519a0, 24) = 0 [pid 5158] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5158] memfd_create("syzkaller", 0) = 3 [pid 5158] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0cf431000 [ 123.361116][ T5158] syz-executor317[5158]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5156] +++ killed by SIGSEGV (core dumped) +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=109, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=52 /* 0.52 s */} --- [pid 5158] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 67108864) = 67108864 [pid 5158] munmap(0x7fd0cf431000, 67108864) = 0 [pid 5158] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5158] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5158] ioctl(4, LOOP_CLR_FD) = 0 [pid 5158] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5158] close(4) = 0 [pid 5158] close(3) = 0 [pid 5158] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5157] <... futex resumed>) = 0 [pid 5157] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5157] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5158] <... futex resumed>) = 1 [pid 5158] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5157] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5157] futex(0x7fd0d792b5fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5157] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d3410000 [pid 5157] mprotect(0x7fd0d3411000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5157] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5157] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d3430990, parent_tid=0x7fd0d3430990, exit_signal=0, stack=0x7fd0d3410000, stack_size=0x20300, tls=0x7fd0d34306c0} => {parent_tid=[112]}, 88) = 112 ./strace-static-x86_64: Process 5159 attached [pid 5157] rt_sigprocmask(SIG_SETMASK, [], [pid 5159] rseq(0x7fd0d3430fe0, 0x20, 0, 0x53053053 [pid 5157] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5159] <... rseq resumed>) = 0 [pid 5157] futex(0x7fd0d792b5f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5159] set_robust_list(0x7fd0d34309a0, 24 [pid 5157] <... futex resumed>) = 0 [pid 5159] <... set_robust_list resumed>) = 0 [pid 5157] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5159] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5159] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO [pid 5158] <... mmap resumed>) = 0x20000000 ./strace-static-x86_64: Process 5160 attached [pid 5160] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5158] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5158] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5157] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5157] close(3) = -1 EBADF (Bad file descriptor) [pid 5157] close(4) = -1 EBADF (Bad file descriptor) [pid 5157] close(5) = -1 EBADF (Bad file descriptor) [pid 5157] close(6) = -1 EBADF (Bad file descriptor) [pid 5157] close(7) = -1 EBADF (Bad file descriptor) [pid 5157] close(8) = -1 EBADF (Bad file descriptor) [pid 5157] close(9) = -1 EBADF (Bad file descriptor) [pid 5157] close(10) = -1 EBADF (Bad file descriptor) [pid 5157] close(11) = -1 EBADF (Bad file descriptor) [pid 5157] close(12) = -1 EBADF (Bad file descriptor) [pid 5157] close(13) = -1 EBADF (Bad file descriptor) [pid 5157] close(14) = -1 EBADF (Bad file descriptor) [pid 5157] close(15) = -1 EBADF (Bad file descriptor) [pid 5157] close(16) = -1 EBADF (Bad file descriptor) [pid 5157] close(17) = -1 EBADF (Bad file descriptor) [pid 5157] close(18) = -1 EBADF (Bad file descriptor) [pid 5157] close(19) = -1 EBADF (Bad file descriptor) [pid 5157] close(20) = -1 EBADF (Bad file descriptor) [pid 5157] close(21) = -1 EBADF (Bad file descriptor) [pid 5157] close(22) = -1 EBADF (Bad file descriptor) [pid 5157] close(23) = -1 EBADF (Bad file descriptor) [pid 5157] close(24) = -1 EBADF (Bad file descriptor) [pid 5157] close(25) = -1 EBADF (Bad file descriptor) [pid 5157] close(26) = -1 EBADF (Bad file descriptor) [pid 5157] close(27) = -1 EBADF (Bad file descriptor) [pid 5157] close(28) = -1 EBADF (Bad file descriptor) [pid 5157] close(29) = -1 EBADF (Bad file descriptor) [pid 5157] exit_group(0 [pid 5158] <... futex resumed>) = ? [pid 5157] <... exit_group resumed>) = ? [pid 5158] +++ exited with 0 +++ [pid 5159] <... clone resumed>) = ? [pid 5159] +++ exited with 0 +++ [pid 5157] +++ exited with 0 +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=110, si_uid=0, si_status=0, si_utime=32 /* 0.32 s */, si_stime=109 /* 1.09 s */} --- [pid 5037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5037] ioctl(3, LOOP_CLR_FD) = 0 [pid 5037] close(3) = 0 [pid 5037] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cdf690) = 114 ./strace-static-x86_64: Process 5161 attached [pid 5161] set_robust_list(0x555555cdf6a0, 24) = 0 [pid 5161] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5161] setpgid(0, 0) = 0 [pid 5161] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5161] write(3, "1000", 4) = 4 [pid 5161] close(3) = 0 [pid 5161] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5161] rt_sigaction(SIGRT_1, {sa_handler=0x7fd0d78ba680, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0d78abd30}, NULL, 8) = 0 [pid 5161] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5161] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d7831000 [pid 5161] mprotect(0x7fd0d7832000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5161] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5161] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d7851990, parent_tid=0x7fd0d7851990, exit_signal=0, stack=0x7fd0d7831000, stack_size=0x20300, tls=0x7fd0d78516c0}./strace-static-x86_64: Process 5162 attached [pid 5162] rseq(0x7fd0d7851fe0, 0x20, 0, 0x53053053 [pid 5161] <... clone3 resumed> => {parent_tid=[115]}, 88) = 115 [pid 5162] <... rseq resumed>) = 0 [pid 5161] rt_sigprocmask(SIG_SETMASK, [], [pid 5162] set_robust_list(0x7fd0d78519a0, 24 [pid 5161] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5162] <... set_robust_list resumed>) = 0 [pid 5161] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5162] rt_sigprocmask(SIG_SETMASK, [], [pid 5161] <... futex resumed>) = 0 [pid 5162] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5161] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5162] memfd_create("syzkaller", 0) = 3 [pid 5162] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0cf431000 [ 125.417447][ T5162] syz-executor317[5162]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5160] +++ killed by SIGSEGV (core dumped) +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=113, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=46 /* 0.46 s */} --- [pid 5162] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 67108864 [pid 5037] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5162] <... write resumed>) = 67108864 [pid 5162] munmap(0x7fd0cf431000, 67108864) = 0 [pid 5162] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5162] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5162] ioctl(4, LOOP_CLR_FD) = 0 [pid 5162] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5162] close(4) = 0 [pid 5162] close(3) = 0 [pid 5162] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5161] <... futex resumed>) = 0 [pid 5161] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5161] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5162] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5161] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5161] futex(0x7fd0d792b5fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5161] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5162] <... mmap resumed>) = 0x20000000 [pid 5161] <... mmap resumed>) = 0x7fd0d3410000 [pid 5161] mprotect(0x7fd0d3411000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5161] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5161] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d3430990, parent_tid=0x7fd0d3430990, exit_signal=0, stack=0x7fd0d3410000, stack_size=0x20300, tls=0x7fd0d34306c0}./strace-static-x86_64: Process 5163 attached => {parent_tid=[116]}, 88) = 116 [pid 5163] rseq(0x7fd0d3430fe0, 0x20, 0, 0x53053053 [pid 5161] rt_sigprocmask(SIG_SETMASK, [], [pid 5163] <... rseq resumed>) = 0 [pid 5161] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5163] set_robust_list(0x7fd0d34309a0, 24 [pid 5161] futex(0x7fd0d792b5f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5163] <... set_robust_list resumed>) = 0 [pid 5161] <... futex resumed>) = 0 [pid 5163] rt_sigprocmask(SIG_SETMASK, [], [pid 5161] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5163] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5163] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO [pid 5162] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5162] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5164 attached [pid 5164] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5161] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5161] close(3) = -1 EBADF (Bad file descriptor) [pid 5161] close(4) = -1 EBADF (Bad file descriptor) [pid 5161] close(5) = -1 EBADF (Bad file descriptor) [pid 5161] close(6) = -1 EBADF (Bad file descriptor) [pid 5161] close(7) = -1 EBADF (Bad file descriptor) [pid 5161] close(8) = -1 EBADF (Bad file descriptor) [pid 5161] close(9) = -1 EBADF (Bad file descriptor) [pid 5161] close(10) = -1 EBADF (Bad file descriptor) [pid 5161] close(11) = -1 EBADF (Bad file descriptor) [pid 5161] close(12) = -1 EBADF (Bad file descriptor) [pid 5161] close(13) = -1 EBADF (Bad file descriptor) [pid 5161] close(14) = -1 EBADF (Bad file descriptor) [pid 5161] close(15) = -1 EBADF (Bad file descriptor) [pid 5161] close(16) = -1 EBADF (Bad file descriptor) [pid 5161] close(17) = -1 EBADF (Bad file descriptor) [pid 5161] close(18) = -1 EBADF (Bad file descriptor) [pid 5161] close(19) = -1 EBADF (Bad file descriptor) [pid 5161] close(20) = -1 EBADF (Bad file descriptor) [pid 5161] close(21) = -1 EBADF (Bad file descriptor) [pid 5161] close(22) = -1 EBADF (Bad file descriptor) [pid 5161] close(23) = -1 EBADF (Bad file descriptor) [pid 5161] close(24) = -1 EBADF (Bad file descriptor) [pid 5161] close(25) = -1 EBADF (Bad file descriptor) [pid 5161] close(26) = -1 EBADF (Bad file descriptor) [pid 5161] close(27) = -1 EBADF (Bad file descriptor) [pid 5161] close(28) = -1 EBADF (Bad file descriptor) [pid 5161] close(29) = -1 EBADF (Bad file descriptor) [pid 5161] exit_group(0 [pid 5162] <... futex resumed>) = ? [pid 5161] <... exit_group resumed>) = ? [pid 5163] <... clone resumed>) = ? [pid 5162] +++ exited with 0 +++ [pid 5163] +++ exited with 0 +++ [pid 5161] +++ exited with 0 +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=114, si_uid=0, si_status=0, si_utime=31 /* 0.31 s */, si_stime=114 /* 1.14 s */} --- [pid 5037] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5037] ioctl(3, LOOP_CLR_FD) = 0 [pid 5037] close(3) = 0 [pid 5037] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cdf690) = 118 ./strace-static-x86_64: Process 5165 attached [pid 5165] set_robust_list(0x555555cdf6a0, 24) = 0 [pid 5165] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5165] setpgid(0, 0) = 0 [pid 5165] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5165] write(3, "1000", 4) = 4 [pid 5165] close(3) = 0 [pid 5165] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5165] rt_sigaction(SIGRT_1, {sa_handler=0x7fd0d78ba680, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0d78abd30}, NULL, 8) = 0 [pid 5165] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5165] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d7831000 [pid 5165] mprotect(0x7fd0d7832000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5165] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5165] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d7851990, parent_tid=0x7fd0d7851990, exit_signal=0, stack=0x7fd0d7831000, stack_size=0x20300, tls=0x7fd0d78516c0}./strace-static-x86_64: Process 5166 attached [pid 5166] rseq(0x7fd0d7851fe0, 0x20, 0, 0x53053053 [pid 5165] <... clone3 resumed> => {parent_tid=[119]}, 88) = 119 [pid 5166] <... rseq resumed>) = 0 [pid 5166] set_robust_list(0x7fd0d78519a0, 24 [pid 5165] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5166] <... set_robust_list resumed>) = 0 [pid 5165] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5166] rt_sigprocmask(SIG_SETMASK, [], [pid 5165] <... futex resumed>) = 0 [pid 5166] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5165] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5166] memfd_create("syzkaller", 0) = 3 [pid 5166] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0cf431000 [ 127.486787][ T5166] syz-executor317[5166]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5164] +++ killed by SIGSEGV (core dumped) +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=117, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=54 /* 0.54 s */} --- [pid 5037] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5166] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 67108864) = 67108864 [pid 5166] munmap(0x7fd0cf431000, 67108864) = 0 [pid 5166] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5166] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5166] ioctl(4, LOOP_CLR_FD) = 0 [pid 5166] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5166] close(4) = 0 [pid 5166] close(3) = 0 [pid 5166] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5165] <... futex resumed>) = 0 [pid 5165] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5165] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5166] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5165] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5165] futex(0x7fd0d792b5fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5165] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5166] <... mmap resumed>) = 0x20000000 [pid 5165] <... mmap resumed>) = 0x7fd0d3410000 [pid 5165] mprotect(0x7fd0d3411000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5165] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5165] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d3430990, parent_tid=0x7fd0d3430990, exit_signal=0, stack=0x7fd0d3410000, stack_size=0x20300, tls=0x7fd0d34306c0} [pid 5166] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 5167 attached [pid 5166] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5167] rseq(0x7fd0d3430fe0, 0x20, 0, 0x53053053) = 0 [pid 5165] <... clone3 resumed> => {parent_tid=[120]}, 88) = 120 [pid 5165] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5165] futex(0x7fd0d792b5f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5165] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5167] set_robust_list(0x7fd0d34309a0, 24) = 0 [pid 5167] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5167] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5168 attached [pid 5168] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5165] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5165] close(3) = -1 EBADF (Bad file descriptor) [pid 5165] close(4) = -1 EBADF (Bad file descriptor) [pid 5165] close(5) = -1 EBADF (Bad file descriptor) [pid 5165] close(6) = -1 EBADF (Bad file descriptor) [pid 5165] close(7) = -1 EBADF (Bad file descriptor) [pid 5165] close(8) = -1 EBADF (Bad file descriptor) [pid 5165] close(9) = -1 EBADF (Bad file descriptor) [pid 5165] close(10) = -1 EBADF (Bad file descriptor) [pid 5165] close(11) = -1 EBADF (Bad file descriptor) [pid 5165] close(12) = -1 EBADF (Bad file descriptor) [pid 5165] close(13) = -1 EBADF (Bad file descriptor) [pid 5165] close(14) = -1 EBADF (Bad file descriptor) [pid 5165] close(15) = -1 EBADF (Bad file descriptor) [pid 5165] close(16) = -1 EBADF (Bad file descriptor) [pid 5165] close(17) = -1 EBADF (Bad file descriptor) [pid 5165] close(18) = -1 EBADF (Bad file descriptor) [pid 5165] close(19) = -1 EBADF (Bad file descriptor) [pid 5165] close(20) = -1 EBADF (Bad file descriptor) [pid 5165] close(21) = -1 EBADF (Bad file descriptor) [pid 5165] close(22) = -1 EBADF (Bad file descriptor) [pid 5165] close(23) = -1 EBADF (Bad file descriptor) [pid 5165] close(24) = -1 EBADF (Bad file descriptor) [pid 5165] close(25) = -1 EBADF (Bad file descriptor) [pid 5165] close(26) = -1 EBADF (Bad file descriptor) [pid 5165] close(27) = -1 EBADF (Bad file descriptor) [pid 5165] close(28) = -1 EBADF (Bad file descriptor) [pid 5165] close(29) = -1 EBADF (Bad file descriptor) [pid 5165] exit_group(0) = ? [pid 5166] <... futex resumed>) = ? [pid 5167] <... clone resumed>) = ? [pid 5167] +++ exited with 0 +++ [pid 5166] +++ exited with 0 +++ [pid 5165] +++ exited with 0 +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=118, si_uid=0, si_status=0, si_utime=27 /* 0.27 s */, si_stime=118 /* 1.18 s */} --- [pid 5037] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5037] ioctl(3, LOOP_CLR_FD) = 0 [pid 5037] close(3) = 0 [pid 5037] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cdf690) = 122 ./strace-static-x86_64: Process 5169 attached [pid 5169] set_robust_list(0x555555cdf6a0, 24) = 0 [pid 5169] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5169] setpgid(0, 0) = 0 [pid 5169] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5169] write(3, "1000", 4) = 4 [pid 5169] close(3) = 0 [pid 5169] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5169] rt_sigaction(SIGRT_1, {sa_handler=0x7fd0d78ba680, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0d78abd30}, NULL, 8) = 0 [pid 5169] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5169] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d7831000 [pid 5169] mprotect(0x7fd0d7832000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5169] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5169] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d7851990, parent_tid=0x7fd0d7851990, exit_signal=0, stack=0x7fd0d7831000, stack_size=0x20300, tls=0x7fd0d78516c0}./strace-static-x86_64: Process 5170 attached [pid 5170] rseq(0x7fd0d7851fe0, 0x20, 0, 0x53053053 [pid 5169] <... clone3 resumed> => {parent_tid=[123]}, 88) = 123 [pid 5169] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5170] <... rseq resumed>) = 0 [pid 5169] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5170] set_robust_list(0x7fd0d78519a0, 24 [pid 5169] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5170] <... set_robust_list resumed>) = 0 [pid 5170] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5170] memfd_create("syzkaller", 0) = 3 [pid 5170] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0cf431000 [ 129.527600][ T5170] syz-executor317[5170]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5168] +++ killed by SIGSEGV (core dumped) +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=121, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=48 /* 0.48 s */} --- [pid 5037] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5170] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 67108864) = 67108864 [pid 5170] munmap(0x7fd0cf431000, 67108864) = 0 [pid 5170] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5170] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5170] ioctl(4, LOOP_CLR_FD) = 0 [pid 5170] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5170] close(4) = 0 [pid 5170] close(3) = 0 [pid 5170] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5169] <... futex resumed>) = 0 [pid 5170] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5169] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5169] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5170] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5170] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5169] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5169] futex(0x7fd0d792b5fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5169] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5170] <... mmap resumed>) = 0x20000000 [pid 5170] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5170] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5169] <... mmap resumed>) = 0x7fd0d3410000 [pid 5169] mprotect(0x7fd0d3411000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5169] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5169] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d3430990, parent_tid=0x7fd0d3430990, exit_signal=0, stack=0x7fd0d3410000, stack_size=0x20300, tls=0x7fd0d34306c0}./strace-static-x86_64: Process 5171 attached [pid 5171] rseq(0x7fd0d3430fe0, 0x20, 0, 0x53053053) = 0 [pid 5171] set_robust_list(0x7fd0d34309a0, 24) = 0 [pid 5169] <... clone3 resumed> => {parent_tid=[124]}, 88) = 124 [pid 5171] rt_sigprocmask(SIG_SETMASK, [], [pid 5169] rt_sigprocmask(SIG_SETMASK, [], [pid 5171] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5169] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5171] futex(0x7fd0d792b5f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5169] futex(0x7fd0d792b5f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5171] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5171] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO [pid 5169] <... futex resumed>) = 0 [pid 5169] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5172 attached [pid 5172] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5169] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5169] close(3) = -1 EBADF (Bad file descriptor) [pid 5169] close(4) = -1 EBADF (Bad file descriptor) [pid 5169] close(5) = -1 EBADF (Bad file descriptor) [pid 5169] close(6) = -1 EBADF (Bad file descriptor) [pid 5169] close(7) = -1 EBADF (Bad file descriptor) [pid 5169] close(8) = -1 EBADF (Bad file descriptor) [pid 5169] close(9) = -1 EBADF (Bad file descriptor) [pid 5169] close(10) = -1 EBADF (Bad file descriptor) [pid 5169] close(11) = -1 EBADF (Bad file descriptor) [pid 5169] close(12) = -1 EBADF (Bad file descriptor) [pid 5169] close(13) = -1 EBADF (Bad file descriptor) [pid 5169] close(14) = -1 EBADF (Bad file descriptor) [pid 5169] close(15) = -1 EBADF (Bad file descriptor) [pid 5169] close(16) = -1 EBADF (Bad file descriptor) [pid 5169] close(17) = -1 EBADF (Bad file descriptor) [pid 5169] close(18) = -1 EBADF (Bad file descriptor) [pid 5169] close(19) = -1 EBADF (Bad file descriptor) [pid 5169] close(20) = -1 EBADF (Bad file descriptor) [pid 5169] close(21) = -1 EBADF (Bad file descriptor) [pid 5169] close(22) = -1 EBADF (Bad file descriptor) [pid 5169] close(23) = -1 EBADF (Bad file descriptor) [pid 5169] close(24) = -1 EBADF (Bad file descriptor) [pid 5169] close(25) = -1 EBADF (Bad file descriptor) [pid 5169] close(26) = -1 EBADF (Bad file descriptor) [pid 5169] close(27) = -1 EBADF (Bad file descriptor) [pid 5169] close(28) = -1 EBADF (Bad file descriptor) [pid 5169] close(29) = -1 EBADF (Bad file descriptor) [pid 5169] exit_group(0) = ? [pid 5170] <... futex resumed>) = ? [pid 5171] <... clone resumed>) = ? [pid 5170] +++ exited with 0 +++ [pid 5171] +++ exited with 0 +++ [pid 5169] +++ exited with 0 +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=122, si_uid=0, si_status=0, si_utime=31 /* 0.31 s */, si_stime=116 /* 1.16 s */} --- [pid 5037] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5037] ioctl(3, LOOP_CLR_FD) = 0 [pid 5037] close(3) = 0 [pid 5037] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5173 attached [pid 5173] set_robust_list(0x555555cdf6a0, 24 [pid 5037] <... clone resumed>, child_tidptr=0x555555cdf690) = 126 [pid 5173] <... set_robust_list resumed>) = 0 [pid 5173] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5173] setpgid(0, 0) = 0 [pid 5173] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5173] write(3, "1000", 4) = 4 [pid 5173] close(3) = 0 [pid 5173] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5173] rt_sigaction(SIGRT_1, {sa_handler=0x7fd0d78ba680, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0d78abd30}, NULL, 8) = 0 [pid 5173] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5173] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d7831000 [pid 5173] mprotect(0x7fd0d7832000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5173] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5173] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d7851990, parent_tid=0x7fd0d7851990, exit_signal=0, stack=0x7fd0d7831000, stack_size=0x20300, tls=0x7fd0d78516c0} => {parent_tid=[127]}, 88) = 127 ./strace-static-x86_64: Process 5174 attached [pid 5174] rseq(0x7fd0d7851fe0, 0x20, 0, 0x53053053) = 0 [pid 5174] set_robust_list(0x7fd0d78519a0, 24) = 0 [pid 5174] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5173] rt_sigprocmask(SIG_SETMASK, [], [pid 5174] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5173] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5173] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5174] <... futex resumed>) = 0 [pid 5173] <... futex resumed>) = 1 [pid 5173] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5174] memfd_create("syzkaller", 0) = 3 [pid 5174] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0cf431000 [ 131.617064][ T5174] syz-executor317[5174]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5174] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 67108864 [pid 5172] +++ killed by SIGSEGV (core dumped) +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=125, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=51 /* 0.51 s */} --- [pid 5037] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5174] <... write resumed>) = 67108864 [pid 5174] munmap(0x7fd0cf431000, 67108864) = 0 [pid 5174] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5174] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5174] ioctl(4, LOOP_CLR_FD) = 0 [pid 5174] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5174] close(4) = 0 [pid 5174] close(3) = 0 [pid 5174] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5173] <... futex resumed>) = 0 [pid 5174] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5173] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5174] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5173] <... futex resumed>) = 0 [pid 5174] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5173] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5173] futex(0x7fd0d792b5fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5173] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5174] <... mmap resumed>) = 0x20000000 [pid 5173] <... mmap resumed>) = 0x7fd0d3410000 [pid 5174] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5173] mprotect(0x7fd0d3411000, 131072, PROT_READ|PROT_WRITE [pid 5174] <... futex resumed>) = 0 [pid 5173] <... mprotect resumed>) = 0 [pid 5174] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5173] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5173] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d3430990, parent_tid=0x7fd0d3430990, exit_signal=0, stack=0x7fd0d3410000, stack_size=0x20300, tls=0x7fd0d34306c0} => {parent_tid=[128]}, 88) = 128 [pid 5173] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5173] futex(0x7fd0d792b5f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5173] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5175 attached [pid 5175] rseq(0x7fd0d3430fe0, 0x20, 0, 0x53053053) = 0 [pid 5175] set_robust_list(0x7fd0d34309a0, 24) = 0 [pid 5175] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5175] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5176 attached [pid 5176] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5173] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5173] close(3) = -1 EBADF (Bad file descriptor) [pid 5173] close(4) = -1 EBADF (Bad file descriptor) [pid 5173] close(5) = -1 EBADF (Bad file descriptor) [pid 5173] close(6) = -1 EBADF (Bad file descriptor) [pid 5173] close(7) = -1 EBADF (Bad file descriptor) [pid 5173] close(8) = -1 EBADF (Bad file descriptor) [pid 5173] close(9) = -1 EBADF (Bad file descriptor) [pid 5173] close(10) = -1 EBADF (Bad file descriptor) [pid 5173] close(11) = -1 EBADF (Bad file descriptor) [pid 5173] close(12) = -1 EBADF (Bad file descriptor) [pid 5173] close(13) = -1 EBADF (Bad file descriptor) [pid 5173] close(14) = -1 EBADF (Bad file descriptor) [pid 5173] close(15) = -1 EBADF (Bad file descriptor) [pid 5173] close(16) = -1 EBADF (Bad file descriptor) [pid 5173] close(17) = -1 EBADF (Bad file descriptor) [pid 5173] close(18) = -1 EBADF (Bad file descriptor) [pid 5173] close(19) = -1 EBADF (Bad file descriptor) [pid 5173] close(20) = -1 EBADF (Bad file descriptor) [pid 5173] close(21) = -1 EBADF (Bad file descriptor) [pid 5173] close(22) = -1 EBADF (Bad file descriptor) [pid 5173] close(23) = -1 EBADF (Bad file descriptor) [pid 5173] close(24) = -1 EBADF (Bad file descriptor) [pid 5173] close(25) = -1 EBADF (Bad file descriptor) [pid 5173] close(26) = -1 EBADF (Bad file descriptor) [pid 5173] close(27) = -1 EBADF (Bad file descriptor) [pid 5173] close(28) = -1 EBADF (Bad file descriptor) [pid 5173] close(29) = -1 EBADF (Bad file descriptor) [pid 5173] exit_group(0) = ? [pid 5174] <... futex resumed>) = ? [pid 5175] <... clone resumed>) = ? [pid 5175] +++ exited with 0 +++ [pid 5174] +++ exited with 0 +++ [pid 5173] +++ exited with 0 +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=126, si_uid=0, si_status=0, si_utime=28 /* 0.28 s */, si_stime=116 /* 1.16 s */} --- [pid 5037] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5037] ioctl(3, LOOP_CLR_FD) = 0 [pid 5037] close(3) = 0 [pid 5037] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cdf690) = 130 ./strace-static-x86_64: Process 5177 attached [pid 5177] set_robust_list(0x555555cdf6a0, 24) = 0 [pid 5177] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5177] setpgid(0, 0) = 0 [pid 5177] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5177] write(3, "1000", 4) = 4 [pid 5177] close(3) = 0 [pid 5177] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5177] rt_sigaction(SIGRT_1, {sa_handler=0x7fd0d78ba680, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0d78abd30}, NULL, 8) = 0 [pid 5177] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5177] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d7831000 [pid 5177] mprotect(0x7fd0d7832000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5177] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5177] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d7851990, parent_tid=0x7fd0d7851990, exit_signal=0, stack=0x7fd0d7831000, stack_size=0x20300, tls=0x7fd0d78516c0}./strace-static-x86_64: Process 5178 attached [pid 5178] rseq(0x7fd0d7851fe0, 0x20, 0, 0x53053053 [pid 5177] <... clone3 resumed> => {parent_tid=[131]}, 88) = 131 [pid 5178] <... rseq resumed>) = 0 [pid 5177] rt_sigprocmask(SIG_SETMASK, [], [pid 5178] set_robust_list(0x7fd0d78519a0, 24 [pid 5177] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5178] <... set_robust_list resumed>) = 0 [pid 5177] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5178] rt_sigprocmask(SIG_SETMASK, [], [pid 5177] <... futex resumed>) = 0 [pid 5178] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5177] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5178] memfd_create("syzkaller", 0) = 3 [pid 5178] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0cf431000 [ 133.601807][ T5178] syz-executor317[5178]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5176] +++ killed by SIGSEGV (core dumped) +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=129, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=53 /* 0.53 s */} --- [pid 5037] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5178] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 67108864) = 67108864 [pid 5178] munmap(0x7fd0cf431000, 67108864) = 0 [pid 5178] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5178] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5178] ioctl(4, LOOP_CLR_FD) = 0 [pid 5178] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5178] close(4) = 0 [pid 5178] close(3) = 0 [pid 5178] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5177] <... futex resumed>) = 0 [pid 5177] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5177] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5178] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5177] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5177] futex(0x7fd0d792b5fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5177] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5178] <... mmap resumed>) = 0x20000000 [pid 5177] <... mmap resumed>) = 0x7fd0d3410000 [pid 5177] mprotect(0x7fd0d3411000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5177] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5177] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d3430990, parent_tid=0x7fd0d3430990, exit_signal=0, stack=0x7fd0d3410000, stack_size=0x20300, tls=0x7fd0d34306c0}./strace-static-x86_64: Process 5179 attached => {parent_tid=[132]}, 88) = 132 [pid 5179] rseq(0x7fd0d3430fe0, 0x20, 0, 0x53053053 [pid 5177] rt_sigprocmask(SIG_SETMASK, [], [pid 5179] <... rseq resumed>) = 0 [pid 5177] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5179] set_robust_list(0x7fd0d34309a0, 24 [pid 5177] futex(0x7fd0d792b5f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5179] <... set_robust_list resumed>) = 0 [pid 5177] <... futex resumed>) = 0 [pid 5179] rt_sigprocmask(SIG_SETMASK, [], [pid 5177] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5179] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5179] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO [pid 5178] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 5180 attached [pid 5180] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5178] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5177] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5177] close(3) = -1 EBADF (Bad file descriptor) [pid 5177] close(4) = -1 EBADF (Bad file descriptor) [pid 5177] close(5) = -1 EBADF (Bad file descriptor) [pid 5177] close(6) = -1 EBADF (Bad file descriptor) [pid 5177] close(7) = -1 EBADF (Bad file descriptor) [pid 5177] close(8) = -1 EBADF (Bad file descriptor) [pid 5177] close(9) = -1 EBADF (Bad file descriptor) [pid 5177] close(10) = -1 EBADF (Bad file descriptor) [pid 5177] close(11) = -1 EBADF (Bad file descriptor) [pid 5177] close(12) = -1 EBADF (Bad file descriptor) [pid 5177] close(13) = -1 EBADF (Bad file descriptor) [pid 5177] close(14) = -1 EBADF (Bad file descriptor) [pid 5177] close(15) = -1 EBADF (Bad file descriptor) [pid 5177] close(16) = -1 EBADF (Bad file descriptor) [pid 5177] close(17) = -1 EBADF (Bad file descriptor) [pid 5177] close(18) = -1 EBADF (Bad file descriptor) [pid 5177] close(19) = -1 EBADF (Bad file descriptor) [pid 5177] close(20) = -1 EBADF (Bad file descriptor) [pid 5177] close(21) = -1 EBADF (Bad file descriptor) [pid 5177] close(22) = -1 EBADF (Bad file descriptor) [pid 5177] close(23) = -1 EBADF (Bad file descriptor) [pid 5177] close(24) = -1 EBADF (Bad file descriptor) [pid 5177] close(25) = -1 EBADF (Bad file descriptor) [pid 5177] close(26) = -1 EBADF (Bad file descriptor) [pid 5177] close(27) = -1 EBADF (Bad file descriptor) [pid 5177] close(28) = -1 EBADF (Bad file descriptor) [pid 5177] close(29) = -1 EBADF (Bad file descriptor) [pid 5177] exit_group(0 [pid 5179] <... clone resumed>) = ? [pid 5178] <... futex resumed>) = ? [pid 5179] +++ exited with 0 +++ [pid 5178] +++ exited with 0 +++ [pid 5177] <... exit_group resumed>) = ? [pid 5177] +++ exited with 0 +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=130, si_uid=0, si_status=0, si_utime=30 /* 0.30 s */, si_stime=121 /* 1.21 s */} --- [pid 5037] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5037] ioctl(3, LOOP_CLR_FD) = 0 [pid 5037] close(3) = 0 [pid 5037] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5181 attached , child_tidptr=0x555555cdf690) = 134 [pid 5181] set_robust_list(0x555555cdf6a0, 24) = 0 [pid 5181] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5181] setpgid(0, 0) = 0 [pid 5181] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5181] write(3, "1000", 4) = 4 [pid 5181] close(3) = 0 [pid 5181] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5181] rt_sigaction(SIGRT_1, {sa_handler=0x7fd0d78ba680, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0d78abd30}, NULL, 8) = 0 [pid 5181] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5181] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d7831000 [pid 5181] mprotect(0x7fd0d7832000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5181] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5181] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d7851990, parent_tid=0x7fd0d7851990, exit_signal=0, stack=0x7fd0d7831000, stack_size=0x20300, tls=0x7fd0d78516c0} => {parent_tid=[135]}, 88) = 135 [pid 5181] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5181] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5181] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5182 attached [pid 5182] rseq(0x7fd0d7851fe0, 0x20, 0, 0x53053053) = 0 [pid 5182] set_robust_list(0x7fd0d78519a0, 24) = 0 [pid 5182] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5182] memfd_create("syzkaller", 0) = 3 [pid 5182] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0cf431000 [ 135.691305][ T5182] syz-executor317[5182]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5180] +++ killed by SIGSEGV (core dumped) +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=133, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=49 /* 0.49 s */} --- [pid 5037] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5182] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 67108864) = 67108864 [pid 5182] munmap(0x7fd0cf431000, 67108864) = 0 [pid 5182] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5182] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5182] ioctl(4, LOOP_CLR_FD) = 0 [pid 5182] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5182] close(4) = 0 [pid 5182] close(3) = 0 [pid 5182] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5181] <... futex resumed>) = 0 [pid 5182] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5181] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5182] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5181] <... futex resumed>) = 0 [pid 5182] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5181] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5181] futex(0x7fd0d792b5fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5181] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5182] <... mmap resumed>) = 0x20000000 [pid 5181] <... mmap resumed>) = 0x7fd0d3410000 [pid 5181] mprotect(0x7fd0d3411000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5181] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5182] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5181] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d3430990, parent_tid=0x7fd0d3430990, exit_signal=0, stack=0x7fd0d3410000, stack_size=0x20300, tls=0x7fd0d34306c0} [pid 5182] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5183 attached [pid 5182] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5183] rseq(0x7fd0d3430fe0, 0x20, 0, 0x53053053) = 0 [pid 5181] <... clone3 resumed> => {parent_tid=[136]}, 88) = 136 [pid 5181] rt_sigprocmask(SIG_SETMASK, [], [pid 5183] set_robust_list(0x7fd0d34309a0, 24) = 0 [pid 5181] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5183] rt_sigprocmask(SIG_SETMASK, [], [pid 5181] futex(0x7fd0d792b5f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5183] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5183] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO [pid 5181] <... futex resumed>) = 0 [pid 5181] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5184 attached [pid 5184] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5181] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5181] close(3) = -1 EBADF (Bad file descriptor) [pid 5181] close(4) = -1 EBADF (Bad file descriptor) [pid 5181] close(5) = -1 EBADF (Bad file descriptor) [pid 5181] close(6) = -1 EBADF (Bad file descriptor) [pid 5181] close(7) = -1 EBADF (Bad file descriptor) [pid 5181] close(8) = -1 EBADF (Bad file descriptor) [pid 5181] close(9) = -1 EBADF (Bad file descriptor) [pid 5181] close(10) = -1 EBADF (Bad file descriptor) [pid 5181] close(11) = -1 EBADF (Bad file descriptor) [pid 5181] close(12) = -1 EBADF (Bad file descriptor) [pid 5181] close(13) = -1 EBADF (Bad file descriptor) [pid 5181] close(14) = -1 EBADF (Bad file descriptor) [pid 5181] close(15) = -1 EBADF (Bad file descriptor) [pid 5181] close(16) = -1 EBADF (Bad file descriptor) [pid 5181] close(17) = -1 EBADF (Bad file descriptor) [pid 5181] close(18) = -1 EBADF (Bad file descriptor) [pid 5181] close(19) = -1 EBADF (Bad file descriptor) [pid 5181] close(20) = -1 EBADF (Bad file descriptor) [pid 5181] close(21) = -1 EBADF (Bad file descriptor) [pid 5181] close(22) = -1 EBADF (Bad file descriptor) [pid 5181] close(23) = -1 EBADF (Bad file descriptor) [pid 5181] close(24) = -1 EBADF (Bad file descriptor) [pid 5181] close(25) = -1 EBADF (Bad file descriptor) [pid 5181] close(26) = -1 EBADF (Bad file descriptor) [pid 5181] close(27) = -1 EBADF (Bad file descriptor) [pid 5181] close(28) = -1 EBADF (Bad file descriptor) [pid 5181] close(29) = -1 EBADF (Bad file descriptor) [pid 5181] exit_group(0) = ? [pid 5182] <... futex resumed>) = ? [pid 5183] <... clone resumed>) = ? [pid 5182] +++ exited with 0 +++ [pid 5183] +++ exited with 0 +++ [pid 5181] +++ exited with 0 +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=134, si_uid=0, si_status=0, si_utime=27 /* 0.27 s */, si_stime=120 /* 1.20 s */} --- [pid 5037] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5037] ioctl(3, LOOP_CLR_FD) = 0 [pid 5037] close(3) = 0 [pid 5037] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cdf690) = 138 ./strace-static-x86_64: Process 5185 attached [pid 5185] set_robust_list(0x555555cdf6a0, 24) = 0 [pid 5185] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5185] setpgid(0, 0) = 0 [pid 5185] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5185] write(3, "1000", 4) = 4 [pid 5185] close(3) = 0 [pid 5185] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5185] rt_sigaction(SIGRT_1, {sa_handler=0x7fd0d78ba680, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0d78abd30}, NULL, 8) = 0 [pid 5185] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5185] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d7831000 [pid 5185] mprotect(0x7fd0d7832000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5185] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5185] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d7851990, parent_tid=0x7fd0d7851990, exit_signal=0, stack=0x7fd0d7831000, stack_size=0x20300, tls=0x7fd0d78516c0} => {parent_tid=[139]}, 88) = 139 [pid 5185] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5185] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5185] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5186 attached [pid 5186] rseq(0x7fd0d7851fe0, 0x20, 0, 0x53053053) = 0 [pid 5186] set_robust_list(0x7fd0d78519a0, 24) = 0 [pid 5186] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5186] memfd_create("syzkaller", 0) = 3 [pid 5186] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0cf431000 [ 137.828001][ T5186] syz-executor317[5186]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5184] +++ killed by SIGSEGV (core dumped) +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=137, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=52 /* 0.52 s */} --- [pid 5037] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5186] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 67108864) = 67108864 [pid 5186] munmap(0x7fd0cf431000, 67108864) = 0 [pid 5186] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5186] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5186] ioctl(4, LOOP_CLR_FD) = 0 [pid 5186] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5186] close(4) = 0 [pid 5186] close(3) = 0 [pid 5186] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5185] <... futex resumed>) = 0 [pid 5185] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5185] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5186] <... futex resumed>) = 1 [pid 5186] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5185] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5185] futex(0x7fd0d792b5fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5185] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d3410000 [pid 5185] mprotect(0x7fd0d3411000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5185] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5185] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d3430990, parent_tid=0x7fd0d3430990, exit_signal=0, stack=0x7fd0d3410000, stack_size=0x20300, tls=0x7fd0d34306c0}./strace-static-x86_64: Process 5187 attached => {parent_tid=[140]}, 88) = 140 [pid 5187] rseq(0x7fd0d3430fe0, 0x20, 0, 0x53053053 [pid 5185] rt_sigprocmask(SIG_SETMASK, [], [pid 5187] <... rseq resumed>) = 0 [pid 5185] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5187] set_robust_list(0x7fd0d34309a0, 24 [pid 5185] futex(0x7fd0d792b5f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5187] <... set_robust_list resumed>) = 0 [pid 5185] <... futex resumed>) = 0 [pid 5187] rt_sigprocmask(SIG_SETMASK, [], [pid 5185] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5187] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5187] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO [pid 5186] <... mmap resumed>) = 0x20000000 [pid 5186] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5186] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5188 attached [pid 5188] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5185] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5185] close(3) = -1 EBADF (Bad file descriptor) [pid 5185] close(4) = -1 EBADF (Bad file descriptor) [pid 5185] close(5) = -1 EBADF (Bad file descriptor) [pid 5185] close(6) = -1 EBADF (Bad file descriptor) [pid 5185] close(7) = -1 EBADF (Bad file descriptor) [pid 5185] close(8) = -1 EBADF (Bad file descriptor) [pid 5185] close(9) = -1 EBADF (Bad file descriptor) [pid 5185] close(10) = -1 EBADF (Bad file descriptor) [pid 5185] close(11) = -1 EBADF (Bad file descriptor) [pid 5185] close(12) = -1 EBADF (Bad file descriptor) [pid 5185] close(13) = -1 EBADF (Bad file descriptor) [pid 5185] close(14) = -1 EBADF (Bad file descriptor) [pid 5185] close(15) = -1 EBADF (Bad file descriptor) [pid 5185] close(16) = -1 EBADF (Bad file descriptor) [pid 5185] close(17) = -1 EBADF (Bad file descriptor) [pid 5185] close(18) = -1 EBADF (Bad file descriptor) [pid 5185] close(19) = -1 EBADF (Bad file descriptor) [pid 5185] close(20) = -1 EBADF (Bad file descriptor) [pid 5185] close(21) = -1 EBADF (Bad file descriptor) [pid 5185] close(22) = -1 EBADF (Bad file descriptor) [pid 5185] close(23) = -1 EBADF (Bad file descriptor) [pid 5185] close(24) = -1 EBADF (Bad file descriptor) [pid 5185] close(25) = -1 EBADF (Bad file descriptor) [pid 5185] close(26) = -1 EBADF (Bad file descriptor) [pid 5185] close(27) = -1 EBADF (Bad file descriptor) [pid 5185] close(28) = -1 EBADF (Bad file descriptor) [pid 5185] close(29) = -1 EBADF (Bad file descriptor) [pid 5185] exit_group(0) = ? [pid 5187] <... clone resumed>) = ? [pid 5187] +++ exited with 0 +++ [pid 5186] <... futex resumed>) = ? [pid 5186] +++ exited with 0 +++ [pid 5185] +++ exited with 0 +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=138, si_uid=0, si_status=0, si_utime=24 /* 0.24 s */, si_stime=114 /* 1.14 s */} --- [pid 5037] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5037] ioctl(3, LOOP_CLR_FD) = 0 [pid 5037] close(3) = 0 [pid 5037] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cdf690) = 142 ./strace-static-x86_64: Process 5189 attached [pid 5189] set_robust_list(0x555555cdf6a0, 24) = 0 [pid 5189] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5189] setpgid(0, 0) = 0 [pid 5189] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5189] write(3, "1000", 4) = 4 [pid 5189] close(3) = 0 [pid 5189] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5189] rt_sigaction(SIGRT_1, {sa_handler=0x7fd0d78ba680, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0d78abd30}, NULL, 8) = 0 [pid 5189] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5189] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d7831000 [pid 5189] mprotect(0x7fd0d7832000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5189] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5189] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d7851990, parent_tid=0x7fd0d7851990, exit_signal=0, stack=0x7fd0d7831000, stack_size=0x20300, tls=0x7fd0d78516c0} => {parent_tid=[143]}, 88) = 143 [pid 5189] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5189] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5189] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5190 attached [pid 5190] rseq(0x7fd0d7851fe0, 0x20, 0, 0x53053053) = 0 [pid 5190] set_robust_list(0x7fd0d78519a0, 24) = 0 [pid 5190] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5190] memfd_create("syzkaller", 0) = 3 [pid 5190] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0cf431000 [ 139.891083][ T5190] syz-executor317[5190]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5188] +++ killed by SIGSEGV (core dumped) +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=141, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=48 /* 0.48 s */} --- [pid 5037] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5190] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 67108864) = 67108864 [pid 5190] munmap(0x7fd0cf431000, 67108864) = 0 [pid 5190] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5190] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5190] ioctl(4, LOOP_CLR_FD) = 0 [pid 5190] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5190] close(4) = 0 [pid 5190] close(3) = 0 [pid 5190] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5189] <... futex resumed>) = 0 [pid 5190] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5189] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5190] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5189] <... futex resumed>) = 0 [pid 5190] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5189] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5189] futex(0x7fd0d792b5fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5189] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5190] <... mmap resumed>) = 0x20000000 [pid 5190] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5189] <... mmap resumed>) = 0x7fd0d3410000 [pid 5190] <... futex resumed>) = 0 [pid 5190] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5189] mprotect(0x7fd0d3411000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5189] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5189] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d3430990, parent_tid=0x7fd0d3430990, exit_signal=0, stack=0x7fd0d3410000, stack_size=0x20300, tls=0x7fd0d34306c0}./strace-static-x86_64: Process 5191 attached => {parent_tid=[144]}, 88) = 144 [pid 5191] rseq(0x7fd0d3430fe0, 0x20, 0, 0x53053053 [pid 5189] rt_sigprocmask(SIG_SETMASK, [], [pid 5191] <... rseq resumed>) = 0 [pid 5189] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5191] set_robust_list(0x7fd0d34309a0, 24 [pid 5189] futex(0x7fd0d792b5f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5191] <... set_robust_list resumed>) = 0 [pid 5189] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5191] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5191] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5192 attached [pid 5192] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5189] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5189] close(3) = -1 EBADF (Bad file descriptor) [pid 5189] close(4) = -1 EBADF (Bad file descriptor) [pid 5189] close(5) = -1 EBADF (Bad file descriptor) [pid 5189] close(6) = -1 EBADF (Bad file descriptor) [pid 5189] close(7) = -1 EBADF (Bad file descriptor) [pid 5189] close(8) = -1 EBADF (Bad file descriptor) [pid 5189] close(9) = -1 EBADF (Bad file descriptor) [pid 5189] close(10) = -1 EBADF (Bad file descriptor) [pid 5189] close(11) = -1 EBADF (Bad file descriptor) [pid 5189] close(12) = -1 EBADF (Bad file descriptor) [pid 5189] close(13) = -1 EBADF (Bad file descriptor) [pid 5189] close(14) = -1 EBADF (Bad file descriptor) [pid 5189] close(15) = -1 EBADF (Bad file descriptor) [pid 5189] close(16) = -1 EBADF (Bad file descriptor) [pid 5189] close(17) = -1 EBADF (Bad file descriptor) [pid 5189] close(18) = -1 EBADF (Bad file descriptor) [pid 5189] close(19) = -1 EBADF (Bad file descriptor) [pid 5189] close(20) = -1 EBADF (Bad file descriptor) [pid 5189] close(21) = -1 EBADF (Bad file descriptor) [pid 5189] close(22) = -1 EBADF (Bad file descriptor) [pid 5189] close(23) = -1 EBADF (Bad file descriptor) [pid 5189] close(24) = -1 EBADF (Bad file descriptor) [pid 5189] close(25) = -1 EBADF (Bad file descriptor) [pid 5189] close(26) = -1 EBADF (Bad file descriptor) [pid 5189] close(27) = -1 EBADF (Bad file descriptor) [pid 5189] close(28) = -1 EBADF (Bad file descriptor) [pid 5189] close(29) = -1 EBADF (Bad file descriptor) [pid 5189] exit_group(0) = ? [pid 5190] <... futex resumed>) = ? [pid 5191] <... clone resumed>) = ? [pid 5190] +++ exited with 0 +++ [pid 5191] +++ exited with 0 +++ [pid 5189] +++ exited with 0 +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=142, si_uid=0, si_status=0, si_utime=35 /* 0.35 s */, si_stime=114 /* 1.14 s */} --- [pid 5037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5037] ioctl(3, LOOP_CLR_FD) = 0 [pid 5037] close(3) = 0 [pid 5037] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5193 attached [pid 5193] set_robust_list(0x555555cdf6a0, 24) = 0 [pid 5193] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5037] <... clone resumed>, child_tidptr=0x555555cdf690) = 146 [pid 5193] setpgid(0, 0) = 0 [pid 5193] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5193] write(3, "1000", 4) = 4 [pid 5193] close(3) = 0 [pid 5193] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5193] rt_sigaction(SIGRT_1, {sa_handler=0x7fd0d78ba680, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0d78abd30}, NULL, 8) = 0 [pid 5193] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5193] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d7831000 [pid 5193] mprotect(0x7fd0d7832000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5193] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5193] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d7851990, parent_tid=0x7fd0d7851990, exit_signal=0, stack=0x7fd0d7831000, stack_size=0x20300, tls=0x7fd0d78516c0}./strace-static-x86_64: Process 5194 attached => {parent_tid=[147]}, 88) = 147 [pid 5194] rseq(0x7fd0d7851fe0, 0x20, 0, 0x53053053) = 0 [pid 5193] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5193] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5193] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5194] set_robust_list(0x7fd0d78519a0, 24) = 0 [pid 5194] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5194] memfd_create("syzkaller", 0) = 3 [pid 5194] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0cf431000 [ 142.006846][ T5194] syz-executor317[5194]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5192] +++ killed by SIGSEGV (core dumped) +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=145, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=51 /* 0.51 s */} --- [pid 5194] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 67108864) = 67108864 [pid 5194] munmap(0x7fd0cf431000, 67108864) = 0 [pid 5194] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5194] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5194] ioctl(4, LOOP_CLR_FD) = 0 [pid 5194] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5194] close(4) = 0 [pid 5194] close(3) = 0 [pid 5194] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5194] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5193] <... futex resumed>) = 0 [pid 5193] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5193] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5194] <... futex resumed>) = 0 [pid 5194] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5193] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5193] futex(0x7fd0d792b5fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5193] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d3410000 [pid 5194] <... mmap resumed>) = 0x20000000 [pid 5193] mprotect(0x7fd0d3411000, 131072, PROT_READ|PROT_WRITE [pid 5194] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5193] <... mprotect resumed>) = 0 [pid 5194] <... futex resumed>) = 0 [pid 5193] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5194] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5193] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d3430990, parent_tid=0x7fd0d3430990, exit_signal=0, stack=0x7fd0d3410000, stack_size=0x20300, tls=0x7fd0d34306c0}./strace-static-x86_64: Process 5195 attached => {parent_tid=[148]}, 88) = 148 [pid 5193] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5193] futex(0x7fd0d792b5f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5193] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5195] rseq(0x7fd0d3430fe0, 0x20, 0, 0x53053053) = 0 [pid 5195] set_robust_list(0x7fd0d34309a0, 24) = 0 [pid 5195] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5195] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5196 attached [pid 5196] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5193] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5193] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5193] close(3) = -1 EBADF (Bad file descriptor) [pid 5193] close(4) = -1 EBADF (Bad file descriptor) [pid 5193] close(5) = -1 EBADF (Bad file descriptor) [pid 5193] close(6) = -1 EBADF (Bad file descriptor) [pid 5193] close(7) = -1 EBADF (Bad file descriptor) [pid 5193] close(8) = -1 EBADF (Bad file descriptor) [pid 5193] close(9) = -1 EBADF (Bad file descriptor) [pid 5193] close(10) = -1 EBADF (Bad file descriptor) [pid 5193] close(11) = -1 EBADF (Bad file descriptor) [pid 5193] close(12) = -1 EBADF (Bad file descriptor) [pid 5193] close(13) = -1 EBADF (Bad file descriptor) [pid 5193] close(14) = -1 EBADF (Bad file descriptor) [pid 5193] close(15) = -1 EBADF (Bad file descriptor) [pid 5193] close(16) = -1 EBADF (Bad file descriptor) [pid 5193] close(17) = -1 EBADF (Bad file descriptor) [pid 5193] close(18) = -1 EBADF (Bad file descriptor) [pid 5193] close(19) = -1 EBADF (Bad file descriptor) [pid 5193] close(20) = -1 EBADF (Bad file descriptor) [pid 5193] close(21) = -1 EBADF (Bad file descriptor) [pid 5193] close(22) = -1 EBADF (Bad file descriptor) [pid 5193] close(23) = -1 EBADF (Bad file descriptor) [pid 5193] close(24) = -1 EBADF (Bad file descriptor) [pid 5193] close(25) = -1 EBADF (Bad file descriptor) [pid 5193] close(26) = -1 EBADF (Bad file descriptor) [pid 5193] close(27) = -1 EBADF (Bad file descriptor) [pid 5193] close(28) = -1 EBADF (Bad file descriptor) [pid 5193] close(29) = -1 EBADF (Bad file descriptor) [pid 5193] exit_group(0 [pid 5194] <... futex resumed>) = ? [pid 5193] <... exit_group resumed>) = ? [pid 5194] +++ exited with 0 +++ [pid 5195] <... clone resumed>) = ? [pid 5195] +++ exited with 0 +++ [pid 5193] +++ exited with 0 +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=146, si_uid=0, si_status=0, si_utime=29 /* 0.29 s */, si_stime=113 /* 1.13 s */} --- [pid 5037] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5037] ioctl(3, LOOP_CLR_FD) = 0 [pid 5037] close(3) = 0 [pid 5037] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cdf690) = 150 ./strace-static-x86_64: Process 5197 attached [pid 5197] set_robust_list(0x555555cdf6a0, 24) = 0 [pid 5197] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5197] setpgid(0, 0) = 0 [pid 5197] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5197] write(3, "1000", 4) = 4 [pid 5197] close(3) = 0 [pid 5197] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5197] rt_sigaction(SIGRT_1, {sa_handler=0x7fd0d78ba680, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0d78abd30}, NULL, 8) = 0 [pid 5197] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5197] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d7831000 [pid 5197] mprotect(0x7fd0d7832000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5197] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5197] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d7851990, parent_tid=0x7fd0d7851990, exit_signal=0, stack=0x7fd0d7831000, stack_size=0x20300, tls=0x7fd0d78516c0}./strace-static-x86_64: Process 5198 attached [pid 5198] rseq(0x7fd0d7851fe0, 0x20, 0, 0x53053053 [pid 5197] <... clone3 resumed> => {parent_tid=[151]}, 88) = 151 [pid 5198] <... rseq resumed>) = 0 [pid 5197] rt_sigprocmask(SIG_SETMASK, [], [pid 5198] set_robust_list(0x7fd0d78519a0, 24) = 0 [pid 5197] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5198] rt_sigprocmask(SIG_SETMASK, [], [pid 5197] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5198] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5197] <... futex resumed>) = 0 [pid 5198] memfd_create("syzkaller", 0 [pid 5197] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5198] <... memfd_create resumed>) = 3 [pid 5198] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0cf431000 [ 144.154954][ T5198] syz-executor317[5198]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5196] +++ killed by SIGSEGV (core dumped) +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=149, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=52 /* 0.52 s */} --- [pid 5037] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5198] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 67108864) = 67108864 [pid 5198] munmap(0x7fd0cf431000, 67108864) = 0 [pid 5198] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5198] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5198] ioctl(4, LOOP_CLR_FD) = 0 [pid 5198] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5198] close(4) = 0 [pid 5198] close(3) = 0 [pid 5198] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5197] <... futex resumed>) = 0 [pid 5197] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5197] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5198] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5197] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5197] futex(0x7fd0d792b5fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5197] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5198] <... mmap resumed>) = 0x20000000 [pid 5197] <... mmap resumed>) = 0x7fd0d3410000 [pid 5197] mprotect(0x7fd0d3411000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5198] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5198] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5197] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5197] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d3430990, parent_tid=0x7fd0d3430990, exit_signal=0, stack=0x7fd0d3410000, stack_size=0x20300, tls=0x7fd0d34306c0}./strace-static-x86_64: Process 5199 attached => {parent_tid=[152]}, 88) = 152 [pid 5199] rseq(0x7fd0d3430fe0, 0x20, 0, 0x53053053) = 0 [pid 5197] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5197] futex(0x7fd0d792b5f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5199] set_robust_list(0x7fd0d34309a0, 24) = 0 [pid 5197] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5199] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5199] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5200 attached [pid 5200] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5197] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5197] close(3) = -1 EBADF (Bad file descriptor) [pid 5197] close(4) = -1 EBADF (Bad file descriptor) [pid 5197] close(5) = -1 EBADF (Bad file descriptor) [pid 5197] close(6) = -1 EBADF (Bad file descriptor) [pid 5197] close(7) = -1 EBADF (Bad file descriptor) [pid 5197] close(8) = -1 EBADF (Bad file descriptor) [pid 5197] close(9) = -1 EBADF (Bad file descriptor) [pid 5197] close(10) = -1 EBADF (Bad file descriptor) [pid 5197] close(11) = -1 EBADF (Bad file descriptor) [pid 5197] close(12) = -1 EBADF (Bad file descriptor) [pid 5197] close(13) = -1 EBADF (Bad file descriptor) [pid 5197] close(14) = -1 EBADF (Bad file descriptor) [pid 5197] close(15) = -1 EBADF (Bad file descriptor) [pid 5197] close(16) = -1 EBADF (Bad file descriptor) [pid 5197] close(17) = -1 EBADF (Bad file descriptor) [pid 5197] close(18) = -1 EBADF (Bad file descriptor) [pid 5197] close(19) = -1 EBADF (Bad file descriptor) [pid 5197] close(20) = -1 EBADF (Bad file descriptor) [pid 5197] close(21) = -1 EBADF (Bad file descriptor) [pid 5197] close(22) = -1 EBADF (Bad file descriptor) [pid 5197] close(23) = -1 EBADF (Bad file descriptor) [pid 5197] close(24) = -1 EBADF (Bad file descriptor) [pid 5197] close(25) = -1 EBADF (Bad file descriptor) [pid 5197] close(26) = -1 EBADF (Bad file descriptor) [pid 5197] close(27) = -1 EBADF (Bad file descriptor) [pid 5197] close(28) = -1 EBADF (Bad file descriptor) [pid 5197] close(29) = -1 EBADF (Bad file descriptor) [pid 5197] exit_group(0) = ? [pid 5199] <... clone resumed>) = ? [pid 5198] <... futex resumed>) = ? [pid 5199] +++ exited with 0 +++ [pid 5198] +++ exited with 0 +++ [pid 5197] +++ exited with 0 +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=150, si_uid=0, si_status=0, si_utime=32 /* 0.32 s */, si_stime=113 /* 1.13 s */} --- [pid 5037] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5037] ioctl(3, LOOP_CLR_FD) = 0 [pid 5037] close(3) = 0 [pid 5037] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cdf690) = 154 ./strace-static-x86_64: Process 5201 attached [pid 5201] set_robust_list(0x555555cdf6a0, 24) = 0 [pid 5201] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5201] setpgid(0, 0) = 0 [pid 5201] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5201] write(3, "1000", 4) = 4 [pid 5201] close(3) = 0 [pid 5201] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5201] rt_sigaction(SIGRT_1, {sa_handler=0x7fd0d78ba680, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0d78abd30}, NULL, 8) = 0 [pid 5201] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5201] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d7831000 [pid 5201] mprotect(0x7fd0d7832000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5201] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5201] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d7851990, parent_tid=0x7fd0d7851990, exit_signal=0, stack=0x7fd0d7831000, stack_size=0x20300, tls=0x7fd0d78516c0}./strace-static-x86_64: Process 5202 attached => {parent_tid=[155]}, 88) = 155 [pid 5201] rt_sigprocmask(SIG_SETMASK, [], [pid 5202] rseq(0x7fd0d7851fe0, 0x20, 0, 0x53053053 [pid 5201] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5202] <... rseq resumed>) = 0 [pid 5201] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5202] set_robust_list(0x7fd0d78519a0, 24 [pid 5201] <... futex resumed>) = 0 [pid 5202] <... set_robust_list resumed>) = 0 [pid 5201] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5202] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5202] memfd_create("syzkaller", 0) = 3 [pid 5202] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0cf431000 [ 146.245765][ T5202] syz-executor317[5202]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5200] +++ killed by SIGSEGV (core dumped) +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=153, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=51 /* 0.51 s */} --- [pid 5037] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5202] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 67108864) = 67108864 [pid 5202] munmap(0x7fd0cf431000, 67108864) = 0 [pid 5202] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5202] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5202] ioctl(4, LOOP_CLR_FD) = 0 [pid 5202] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5202] close(4) = 0 [pid 5202] close(3) = 0 [pid 5202] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5201] <... futex resumed>) = 0 [pid 5202] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5201] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5202] <... futex resumed>) = 0 [pid 5201] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5202] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5201] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5201] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5201] futex(0x7fd0d792b5fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5201] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5202] <... mmap resumed>) = 0x20000000 [pid 5202] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5202] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5201] <... mmap resumed>) = 0x7fd0d3410000 [pid 5201] mprotect(0x7fd0d3411000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5201] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5201] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d3430990, parent_tid=0x7fd0d3430990, exit_signal=0, stack=0x7fd0d3410000, stack_size=0x20300, tls=0x7fd0d34306c0}./strace-static-x86_64: Process 5203 attached => {parent_tid=[156]}, 88) = 156 [pid 5203] rseq(0x7fd0d3430fe0, 0x20, 0, 0x53053053 [pid 5201] rt_sigprocmask(SIG_SETMASK, [], [pid 5203] <... rseq resumed>) = 0 [pid 5201] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5203] set_robust_list(0x7fd0d34309a0, 24) = 0 [pid 5201] futex(0x7fd0d792b5f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5203] rt_sigprocmask(SIG_SETMASK, [], [pid 5201] <... futex resumed>) = 0 [pid 5203] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5203] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO [pid 5201] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5204 attached [pid 5204] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5201] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5201] close(3) = -1 EBADF (Bad file descriptor) [pid 5201] close(4) = -1 EBADF (Bad file descriptor) [pid 5201] close(5) = -1 EBADF (Bad file descriptor) [pid 5201] close(6) = -1 EBADF (Bad file descriptor) [pid 5201] close(7) = -1 EBADF (Bad file descriptor) [pid 5201] close(8) = -1 EBADF (Bad file descriptor) [pid 5201] close(9) = -1 EBADF (Bad file descriptor) [pid 5201] close(10) = -1 EBADF (Bad file descriptor) [pid 5201] close(11) = -1 EBADF (Bad file descriptor) [pid 5201] close(12) = -1 EBADF (Bad file descriptor) [pid 5201] close(13) = -1 EBADF (Bad file descriptor) [pid 5201] close(14) = -1 EBADF (Bad file descriptor) [pid 5201] close(15) = -1 EBADF (Bad file descriptor) [pid 5201] close(16) = -1 EBADF (Bad file descriptor) [pid 5201] close(17) = -1 EBADF (Bad file descriptor) [pid 5201] close(18) = -1 EBADF (Bad file descriptor) [pid 5201] close(19) = -1 EBADF (Bad file descriptor) [pid 5201] close(20) = -1 EBADF (Bad file descriptor) [pid 5201] close(21) = -1 EBADF (Bad file descriptor) [pid 5201] close(22) = -1 EBADF (Bad file descriptor) [pid 5201] close(23) = -1 EBADF (Bad file descriptor) [pid 5201] close(24) = -1 EBADF (Bad file descriptor) [pid 5201] close(25) = -1 EBADF (Bad file descriptor) [pid 5201] close(26) = -1 EBADF (Bad file descriptor) [pid 5201] close(27) = -1 EBADF (Bad file descriptor) [pid 5201] close(28) = -1 EBADF (Bad file descriptor) [pid 5201] close(29) = -1 EBADF (Bad file descriptor) [pid 5201] exit_group(0 [pid 5202] <... futex resumed>) = ? [pid 5201] <... exit_group resumed>) = ? [pid 5203] <... clone resumed>) = ? [pid 5202] +++ exited with 0 +++ [pid 5203] +++ exited with 0 +++ [pid 5201] +++ exited with 0 +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=154, si_uid=0, si_status=0, si_utime=34 /* 0.34 s */, si_stime=108 /* 1.08 s */} --- [pid 5037] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5037] ioctl(3, LOOP_CLR_FD) = 0 [pid 5037] close(3) = 0 [pid 5037] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cdf690) = 158 ./strace-static-x86_64: Process 5205 attached [pid 5205] set_robust_list(0x555555cdf6a0, 24) = 0 [pid 5205] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5205] setpgid(0, 0) = 0 [pid 5205] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5205] write(3, "1000", 4) = 4 [pid 5205] close(3) = 0 [pid 5205] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5205] rt_sigaction(SIGRT_1, {sa_handler=0x7fd0d78ba680, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0d78abd30}, NULL, 8) = 0 [pid 5205] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5205] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d7831000 [pid 5205] mprotect(0x7fd0d7832000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5205] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5205] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d7851990, parent_tid=0x7fd0d7851990, exit_signal=0, stack=0x7fd0d7831000, stack_size=0x20300, tls=0x7fd0d78516c0}./strace-static-x86_64: Process 5206 attached [pid 5206] rseq(0x7fd0d7851fe0, 0x20, 0, 0x53053053 [pid 5205] <... clone3 resumed> => {parent_tid=[159]}, 88) = 159 [pid 5206] <... rseq resumed>) = 0 [pid 5205] rt_sigprocmask(SIG_SETMASK, [], [pid 5206] set_robust_list(0x7fd0d78519a0, 24 [pid 5205] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5206] <... set_robust_list resumed>) = 0 [pid 5205] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5206] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5206] memfd_create("syzkaller", 0 [pid 5205] <... futex resumed>) = 0 [pid 5205] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5206] <... memfd_create resumed>) = 3 [pid 5206] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0cf431000 [ 148.411052][ T5206] syz-executor317[5206]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5204] +++ killed by SIGSEGV (core dumped) +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=157, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=49 /* 0.49 s */} --- [pid 5037] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5206] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 67108864) = 67108864 [pid 5206] munmap(0x7fd0cf431000, 67108864) = 0 [pid 5206] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5206] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5206] ioctl(4, LOOP_CLR_FD) = 0 [pid 5206] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5206] close(4) = 0 [pid 5206] close(3) = 0 [pid 5206] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5205] <... futex resumed>) = 0 [pid 5205] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5205] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5206] <... futex resumed>) = 1 [pid 5206] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5205] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5205] futex(0x7fd0d792b5fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5205] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d3410000 [pid 5205] mprotect(0x7fd0d3411000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5205] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5205] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d3430990, parent_tid=0x7fd0d3430990, exit_signal=0, stack=0x7fd0d3410000, stack_size=0x20300, tls=0x7fd0d34306c0}./strace-static-x86_64: Process 5207 attached => {parent_tid=[160]}, 88) = 160 [pid 5205] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5205] futex(0x7fd0d792b5f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5205] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5206] <... mmap resumed>) = 0x20000000 [pid 5206] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5206] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5207] rseq(0x7fd0d3430fe0, 0x20, 0, 0x53053053) = 0 [pid 5207] set_robust_list(0x7fd0d34309a0, 24) = 0 [pid 5207] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5207] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5208 attached [pid 5208] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5205] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5205] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5205] close(3) = -1 EBADF (Bad file descriptor) [pid 5205] close(4) = -1 EBADF (Bad file descriptor) [pid 5205] close(5) = -1 EBADF (Bad file descriptor) [pid 5205] close(6) = -1 EBADF (Bad file descriptor) [pid 5205] close(7) = -1 EBADF (Bad file descriptor) [pid 5205] close(8) = -1 EBADF (Bad file descriptor) [pid 5205] close(9) = -1 EBADF (Bad file descriptor) [pid 5205] close(10) = -1 EBADF (Bad file descriptor) [pid 5205] close(11) = -1 EBADF (Bad file descriptor) [pid 5205] close(12) = -1 EBADF (Bad file descriptor) [pid 5205] close(13) = -1 EBADF (Bad file descriptor) [pid 5205] close(14) = -1 EBADF (Bad file descriptor) [pid 5205] close(15) = -1 EBADF (Bad file descriptor) [pid 5205] close(16) = -1 EBADF (Bad file descriptor) [pid 5205] close(17) = -1 EBADF (Bad file descriptor) [pid 5205] close(18) = -1 EBADF (Bad file descriptor) [pid 5205] close(19) = -1 EBADF (Bad file descriptor) [pid 5205] close(20) = -1 EBADF (Bad file descriptor) [pid 5205] close(21) = -1 EBADF (Bad file descriptor) [pid 5205] close(22) = -1 EBADF (Bad file descriptor) [pid 5205] close(23) = -1 EBADF (Bad file descriptor) [pid 5205] close(24) = -1 EBADF (Bad file descriptor) [pid 5205] close(25) = -1 EBADF (Bad file descriptor) [pid 5205] close(26) = -1 EBADF (Bad file descriptor) [pid 5205] close(27) = -1 EBADF (Bad file descriptor) [pid 5205] close(28) = -1 EBADF (Bad file descriptor) [pid 5205] close(29) = -1 EBADF (Bad file descriptor) [pid 5205] exit_group(0) = ? [pid 5207] <... clone resumed>) = ? [pid 5206] <... futex resumed>) = ? [pid 5207] +++ exited with 0 +++ [pid 5206] +++ exited with 0 +++ [pid 5205] +++ exited with 0 +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=158, si_uid=0, si_status=0, si_utime=29 /* 0.29 s */, si_stime=117 /* 1.17 s */} --- [pid 5037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5037] ioctl(3, LOOP_CLR_FD) = 0 [pid 5037] close(3) = 0 [pid 5037] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5209 attached [pid 5209] set_robust_list(0x555555cdf6a0, 24) = 0 [pid 5037] <... clone resumed>, child_tidptr=0x555555cdf690) = 162 [pid 5209] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5209] setpgid(0, 0) = 0 [pid 5209] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5209] write(3, "1000", 4) = 4 [pid 5209] close(3) = 0 [pid 5209] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5209] rt_sigaction(SIGRT_1, {sa_handler=0x7fd0d78ba680, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0d78abd30}, NULL, 8) = 0 [pid 5209] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5209] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d7831000 [pid 5209] mprotect(0x7fd0d7832000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5209] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5209] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d7851990, parent_tid=0x7fd0d7851990, exit_signal=0, stack=0x7fd0d7831000, stack_size=0x20300, tls=0x7fd0d78516c0}./strace-static-x86_64: Process 5210 attached => {parent_tid=[163]}, 88) = 163 [pid 5210] rseq(0x7fd0d7851fe0, 0x20, 0, 0x53053053 [pid 5209] rt_sigprocmask(SIG_SETMASK, [], [pid 5210] <... rseq resumed>) = 0 [pid 5209] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5210] set_robust_list(0x7fd0d78519a0, 24 [pid 5209] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5210] <... set_robust_list resumed>) = 0 [pid 5209] <... futex resumed>) = 0 [pid 5210] rt_sigprocmask(SIG_SETMASK, [], [pid 5209] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5210] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5210] memfd_create("syzkaller", 0) = 3 [pid 5210] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0cf431000 [ 150.426828][ T5210] syz-executor317[5210]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5208] +++ killed by SIGSEGV (core dumped) +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=161, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=47 /* 0.47 s */} --- [pid 5037] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5210] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 67108864) = 67108864 [pid 5210] munmap(0x7fd0cf431000, 67108864) = 0 [pid 5210] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5210] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5210] ioctl(4, LOOP_CLR_FD) = 0 [pid 5210] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5210] close(4) = 0 [pid 5210] close(3) = 0 [pid 5210] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5209] <... futex resumed>) = 0 [pid 5210] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5209] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5209] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5210] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5210] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5209] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5209] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5209] futex(0x7fd0d792b5fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5209] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5210] <... mmap resumed>) = 0x20000000 [pid 5209] <... mmap resumed>) = 0x7fd0d3410000 [pid 5209] mprotect(0x7fd0d3411000, 131072, PROT_READ|PROT_WRITE [pid 5210] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5209] <... mprotect resumed>) = 0 [pid 5210] <... futex resumed>) = 0 [pid 5209] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5210] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5209] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d3430990, parent_tid=0x7fd0d3430990, exit_signal=0, stack=0x7fd0d3410000, stack_size=0x20300, tls=0x7fd0d34306c0}./strace-static-x86_64: Process 5211 attached [pid 5211] rseq(0x7fd0d3430fe0, 0x20, 0, 0x53053053) = 0 [pid 5211] set_robust_list(0x7fd0d34309a0, 24) = 0 [pid 5211] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5209] <... clone3 resumed> => {parent_tid=[164]}, 88) = 164 [pid 5211] futex(0x7fd0d792b5f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5209] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5209] futex(0x7fd0d792b5f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5211] <... futex resumed>) = 0 [pid 5209] <... futex resumed>) = 1 [pid 5211] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO [pid 5209] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5212 attached [pid 5212] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5209] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5209] close(3) = -1 EBADF (Bad file descriptor) [pid 5209] close(4) = -1 EBADF (Bad file descriptor) [pid 5209] close(5) = -1 EBADF (Bad file descriptor) [pid 5209] close(6) = -1 EBADF (Bad file descriptor) [pid 5209] close(7) = -1 EBADF (Bad file descriptor) [pid 5209] close(8) = -1 EBADF (Bad file descriptor) [pid 5209] close(9) = -1 EBADF (Bad file descriptor) [pid 5209] close(10) = -1 EBADF (Bad file descriptor) [pid 5209] close(11) = -1 EBADF (Bad file descriptor) [pid 5209] close(12) = -1 EBADF (Bad file descriptor) [pid 5209] close(13) = -1 EBADF (Bad file descriptor) [pid 5209] close(14) = -1 EBADF (Bad file descriptor) [pid 5209] close(15) = -1 EBADF (Bad file descriptor) [pid 5209] close(16) = -1 EBADF (Bad file descriptor) [pid 5209] close(17) = -1 EBADF (Bad file descriptor) [pid 5209] close(18) = -1 EBADF (Bad file descriptor) [pid 5209] close(19) = -1 EBADF (Bad file descriptor) [pid 5209] close(20) = -1 EBADF (Bad file descriptor) [pid 5209] close(21) = -1 EBADF (Bad file descriptor) [pid 5209] close(22) = -1 EBADF (Bad file descriptor) [pid 5209] close(23) = -1 EBADF (Bad file descriptor) [pid 5209] close(24) = -1 EBADF (Bad file descriptor) [pid 5209] close(25) = -1 EBADF (Bad file descriptor) [pid 5209] close(26) = -1 EBADF (Bad file descriptor) [pid 5209] close(27) = -1 EBADF (Bad file descriptor) [pid 5209] close(28) = -1 EBADF (Bad file descriptor) [pid 5209] close(29) = -1 EBADF (Bad file descriptor) [pid 5209] exit_group(0 [pid 5211] <... clone resumed>) = ? [pid 5209] <... exit_group resumed>) = ? [pid 5211] +++ exited with 0 +++ [pid 5210] <... futex resumed>) = ? [pid 5210] +++ exited with 0 +++ [pid 5209] +++ exited with 0 +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=162, si_uid=0, si_status=0, si_utime=31 /* 0.31 s */, si_stime=115 /* 1.15 s */} --- [pid 5037] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5037] ioctl(3, LOOP_CLR_FD) = 0 [pid 5037] close(3) = 0 [pid 5037] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cdf690) = 166 ./strace-static-x86_64: Process 5213 attached [pid 5213] set_robust_list(0x555555cdf6a0, 24) = 0 [pid 5213] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5213] setpgid(0, 0) = 0 [pid 5213] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5213] write(3, "1000", 4) = 4 [pid 5213] close(3) = 0 [pid 5213] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5213] rt_sigaction(SIGRT_1, {sa_handler=0x7fd0d78ba680, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0d78abd30}, NULL, 8) = 0 [pid 5213] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5213] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d7831000 [pid 5213] mprotect(0x7fd0d7832000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5213] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5213] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d7851990, parent_tid=0x7fd0d7851990, exit_signal=0, stack=0x7fd0d7831000, stack_size=0x20300, tls=0x7fd0d78516c0}./strace-static-x86_64: Process 5214 attached [pid 5214] rseq(0x7fd0d7851fe0, 0x20, 0, 0x53053053 [pid 5213] <... clone3 resumed> => {parent_tid=[167]}, 88) = 167 [pid 5214] <... rseq resumed>) = 0 [pid 5213] rt_sigprocmask(SIG_SETMASK, [], [pid 5214] set_robust_list(0x7fd0d78519a0, 24) = 0 [pid 5213] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5214] rt_sigprocmask(SIG_SETMASK, [], [pid 5213] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5214] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5213] <... futex resumed>) = 0 [pid 5214] memfd_create("syzkaller", 0 [pid 5213] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5214] <... memfd_create resumed>) = 3 [pid 5214] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0cf431000 [ 152.609073][ T5214] syz-executor317[5214]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5212] +++ killed by SIGSEGV (core dumped) +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=165, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=56 /* 0.56 s */} --- [pid 5037] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5214] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 67108864) = 67108864 [pid 5214] munmap(0x7fd0cf431000, 67108864) = 0 [pid 5214] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5214] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5214] ioctl(4, LOOP_CLR_FD) = 0 [pid 5214] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5214] close(4) = 0 [pid 5214] close(3) = 0 [pid 5214] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5214] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5213] <... futex resumed>) = 0 [pid 5213] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5214] <... futex resumed>) = 0 [pid 5213] <... futex resumed>) = 1 [pid 5214] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5213] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5213] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5213] futex(0x7fd0d792b5fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5213] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5214] <... mmap resumed>) = 0x20000000 [pid 5213] <... mmap resumed>) = 0x7fd0d3410000 [pid 5213] mprotect(0x7fd0d3411000, 131072, PROT_READ|PROT_WRITE [pid 5214] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5213] <... mprotect resumed>) = 0 [pid 5214] <... futex resumed>) = 0 [pid 5213] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5214] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5213] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5213] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d3430990, parent_tid=0x7fd0d3430990, exit_signal=0, stack=0x7fd0d3410000, stack_size=0x20300, tls=0x7fd0d34306c0}./strace-static-x86_64: Process 5215 attached => {parent_tid=[168]}, 88) = 168 [pid 5215] rseq(0x7fd0d3430fe0, 0x20, 0, 0x53053053 [pid 5213] rt_sigprocmask(SIG_SETMASK, [], [pid 5215] <... rseq resumed>) = 0 [pid 5215] set_robust_list(0x7fd0d34309a0, 24 [pid 5213] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5215] <... set_robust_list resumed>) = 0 [pid 5213] futex(0x7fd0d792b5f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5215] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5213] <... futex resumed>) = 0 [pid 5215] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO [pid 5213] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5216 attached [pid 5216] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5213] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5213] close(3) = -1 EBADF (Bad file descriptor) [pid 5213] close(4) = -1 EBADF (Bad file descriptor) [pid 5213] close(5) = -1 EBADF (Bad file descriptor) [pid 5213] close(6) = -1 EBADF (Bad file descriptor) [pid 5213] close(7) = -1 EBADF (Bad file descriptor) [pid 5213] close(8) = -1 EBADF (Bad file descriptor) [pid 5213] close(9) = -1 EBADF (Bad file descriptor) [pid 5213] close(10) = -1 EBADF (Bad file descriptor) [pid 5213] close(11) = -1 EBADF (Bad file descriptor) [pid 5213] close(12) = -1 EBADF (Bad file descriptor) [pid 5213] close(13) = -1 EBADF (Bad file descriptor) [pid 5213] close(14) = -1 EBADF (Bad file descriptor) [pid 5213] close(15) = -1 EBADF (Bad file descriptor) [pid 5213] close(16) = -1 EBADF (Bad file descriptor) [pid 5213] close(17) = -1 EBADF (Bad file descriptor) [pid 5213] close(18) = -1 EBADF (Bad file descriptor) [pid 5213] close(19) = -1 EBADF (Bad file descriptor) [pid 5213] close(20) = -1 EBADF (Bad file descriptor) [pid 5213] close(21) = -1 EBADF (Bad file descriptor) [pid 5213] close(22) = -1 EBADF (Bad file descriptor) [pid 5213] close(23) = -1 EBADF (Bad file descriptor) [pid 5213] close(24) = -1 EBADF (Bad file descriptor) [pid 5213] close(25) = -1 EBADF (Bad file descriptor) [pid 5213] close(26) = -1 EBADF (Bad file descriptor) [pid 5213] close(27) = -1 EBADF (Bad file descriptor) [pid 5213] close(28) = -1 EBADF (Bad file descriptor) [pid 5213] close(29) = -1 EBADF (Bad file descriptor) [pid 5213] exit_group(0 [pid 5214] <... futex resumed>) = ? [pid 5215] <... clone resumed>) = ? [pid 5213] <... exit_group resumed>) = ? [pid 5215] +++ exited with 0 +++ [pid 5214] +++ exited with 0 +++ [pid 5213] +++ exited with 0 +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=166, si_uid=0, si_status=0, si_utime=34 /* 0.34 s */, si_stime=107 /* 1.07 s */} --- [pid 5037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5037] ioctl(3, LOOP_CLR_FD) = 0 [pid 5037] close(3) = 0 [pid 5037] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cdf690) = 170 ./strace-static-x86_64: Process 5217 attached [pid 5217] set_robust_list(0x555555cdf6a0, 24) = 0 [pid 5217] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5217] setpgid(0, 0) = 0 [pid 5217] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5217] write(3, "1000", 4) = 4 [pid 5217] close(3) = 0 [pid 5217] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5217] rt_sigaction(SIGRT_1, {sa_handler=0x7fd0d78ba680, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0d78abd30}, NULL, 8) = 0 [pid 5217] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5217] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d7831000 [pid 5217] mprotect(0x7fd0d7832000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5217] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5217] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d7851990, parent_tid=0x7fd0d7851990, exit_signal=0, stack=0x7fd0d7831000, stack_size=0x20300, tls=0x7fd0d78516c0} => {parent_tid=[171]}, 88) = 171 [pid 5217] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5217] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5217] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5218 attached [pid 5218] rseq(0x7fd0d7851fe0, 0x20, 0, 0x53053053) = 0 [pid 5218] set_robust_list(0x7fd0d78519a0, 24) = 0 [pid 5218] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5218] memfd_create("syzkaller", 0) = 3 [pid 5218] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0cf431000 [ 154.557627][ T5218] syz-executor317[5218]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5216] +++ killed by SIGSEGV (core dumped) +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=169, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=52 /* 0.52 s */} --- [pid 5218] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 67108864) = 67108864 [pid 5218] munmap(0x7fd0cf431000, 67108864) = 0 [pid 5218] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5218] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5218] ioctl(4, LOOP_CLR_FD) = 0 [pid 5218] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5218] close(4) = 0 [pid 5218] close(3) = 0 [pid 5218] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5217] <... futex resumed>) = 0 [pid 5217] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5218] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5217] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5217] futex(0x7fd0d792b5fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5217] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5218] <... mmap resumed>) = 0x20000000 [pid 5217] <... mmap resumed>) = 0x7fd0d3410000 [pid 5217] mprotect(0x7fd0d3411000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5217] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5217] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d3430990, parent_tid=0x7fd0d3430990, exit_signal=0, stack=0x7fd0d3410000, stack_size=0x20300, tls=0x7fd0d34306c0}./strace-static-x86_64: Process 5219 attached [pid 5219] rseq(0x7fd0d3430fe0, 0x20, 0, 0x53053053 [pid 5217] <... clone3 resumed> => {parent_tid=[172]}, 88) = 172 [pid 5219] <... rseq resumed>) = 0 [pid 5217] rt_sigprocmask(SIG_SETMASK, [], [pid 5219] set_robust_list(0x7fd0d34309a0, 24 [pid 5217] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5219] <... set_robust_list resumed>) = 0 [pid 5217] futex(0x7fd0d792b5f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5219] rt_sigprocmask(SIG_SETMASK, [], [pid 5217] <... futex resumed>) = 0 [pid 5219] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5217] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5219] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO [pid 5218] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5218] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5220 attached [pid 5220] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5217] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5217] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5217] close(3) = -1 EBADF (Bad file descriptor) [pid 5217] close(4) = -1 EBADF (Bad file descriptor) [pid 5217] close(5) = -1 EBADF (Bad file descriptor) [pid 5217] close(6) = -1 EBADF (Bad file descriptor) [pid 5217] close(7) = -1 EBADF (Bad file descriptor) [pid 5217] close(8) = -1 EBADF (Bad file descriptor) [pid 5217] close(9) = -1 EBADF (Bad file descriptor) [pid 5217] close(10) = -1 EBADF (Bad file descriptor) [pid 5217] close(11) = -1 EBADF (Bad file descriptor) [pid 5217] close(12) = -1 EBADF (Bad file descriptor) [pid 5217] close(13) = -1 EBADF (Bad file descriptor) [pid 5217] close(14) = -1 EBADF (Bad file descriptor) [pid 5217] close(15) = -1 EBADF (Bad file descriptor) [pid 5217] close(16) = -1 EBADF (Bad file descriptor) [pid 5217] close(17) = -1 EBADF (Bad file descriptor) [pid 5217] close(18) = -1 EBADF (Bad file descriptor) [pid 5217] close(19) = -1 EBADF (Bad file descriptor) [pid 5217] close(20) = -1 EBADF (Bad file descriptor) [pid 5217] close(21) = -1 EBADF (Bad file descriptor) [pid 5217] close(22) = -1 EBADF (Bad file descriptor) [pid 5217] close(23) = -1 EBADF (Bad file descriptor) [pid 5217] close(24) = -1 EBADF (Bad file descriptor) [pid 5217] close(25) = -1 EBADF (Bad file descriptor) [pid 5217] close(26) = -1 EBADF (Bad file descriptor) [pid 5217] close(27) = -1 EBADF (Bad file descriptor) [pid 5217] close(28) = -1 EBADF (Bad file descriptor) [pid 5217] close(29) = -1 EBADF (Bad file descriptor) [pid 5217] exit_group(0 [pid 5219] <... clone resumed>) = ? [pid 5218] <... futex resumed>) = ? [pid 5217] <... exit_group resumed>) = ? [pid 5219] +++ exited with 0 +++ [pid 5218] +++ exited with 0 +++ [pid 5217] +++ exited with 0 +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=170, si_uid=0, si_status=0, si_utime=28 /* 0.28 s */, si_stime=116 /* 1.16 s */} --- [pid 5037] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5037] ioctl(3, LOOP_CLR_FD) = 0 [pid 5037] close(3) = 0 [pid 5037] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5221 attached [pid 5221] set_robust_list(0x555555cdf6a0, 24 [pid 5037] <... clone resumed>, child_tidptr=0x555555cdf690) = 174 [pid 5221] <... set_robust_list resumed>) = 0 [pid 5221] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5221] setpgid(0, 0) = 0 [pid 5221] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5221] write(3, "1000", 4) = 4 [pid 5221] close(3) = 0 [pid 5221] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5221] rt_sigaction(SIGRT_1, {sa_handler=0x7fd0d78ba680, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0d78abd30}, NULL, 8) = 0 [pid 5221] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5221] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d7831000 [pid 5221] mprotect(0x7fd0d7832000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5221] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5221] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d7851990, parent_tid=0x7fd0d7851990, exit_signal=0, stack=0x7fd0d7831000, stack_size=0x20300, tls=0x7fd0d78516c0}./strace-static-x86_64: Process 5222 attached => {parent_tid=[175]}, 88) = 175 [pid 5221] rt_sigprocmask(SIG_SETMASK, [], [pid 5222] rseq(0x7fd0d7851fe0, 0x20, 0, 0x53053053) = 0 [pid 5222] set_robust_list(0x7fd0d78519a0, 24) = 0 [pid 5222] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5222] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5221] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5221] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5221] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5222] <... futex resumed>) = 0 [pid 5222] memfd_create("syzkaller", 0) = 3 [pid 5222] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0cf431000 [ 156.666819][ T5222] syz-executor317[5222]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5220] +++ killed by SIGSEGV (core dumped) +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=173, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=49 /* 0.49 s */} --- [pid 5222] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 67108864) = 67108864 [pid 5222] munmap(0x7fd0cf431000, 67108864) = 0 [pid 5222] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5222] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5222] ioctl(4, LOOP_CLR_FD) = 0 [pid 5222] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5222] close(4) = 0 [pid 5222] close(3) = 0 [pid 5222] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5221] <... futex resumed>) = 0 [pid 5221] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5221] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5222] <... futex resumed>) = 1 [pid 5222] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5221] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5221] futex(0x7fd0d792b5fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5221] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d3410000 [pid 5221] mprotect(0x7fd0d3411000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5221] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5221] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d3430990, parent_tid=0x7fd0d3430990, exit_signal=0, stack=0x7fd0d3410000, stack_size=0x20300, tls=0x7fd0d34306c0}./strace-static-x86_64: Process 5223 attached => {parent_tid=[176]}, 88) = 176 [pid 5221] rt_sigprocmask(SIG_SETMASK, [], [pid 5223] rseq(0x7fd0d3430fe0, 0x20, 0, 0x53053053 [pid 5222] <... mmap resumed>) = 0x20000000 [pid 5221] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5223] <... rseq resumed>) = 0 [pid 5221] futex(0x7fd0d792b5f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5223] set_robust_list(0x7fd0d34309a0, 24 [pid 5222] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5221] <... futex resumed>) = 0 [pid 5223] <... set_robust_list resumed>) = 0 [pid 5222] <... futex resumed>) = 0 [pid 5221] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5223] rt_sigprocmask(SIG_SETMASK, [], [pid 5222] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5223] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5223] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5224 attached [pid 5224] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5221] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5221] close(3) = -1 EBADF (Bad file descriptor) [pid 5221] close(4) = -1 EBADF (Bad file descriptor) [pid 5221] close(5) = -1 EBADF (Bad file descriptor) [pid 5221] close(6) = -1 EBADF (Bad file descriptor) [pid 5221] close(7) = -1 EBADF (Bad file descriptor) [pid 5221] close(8) = -1 EBADF (Bad file descriptor) [pid 5221] close(9) = -1 EBADF (Bad file descriptor) [pid 5221] close(10) = -1 EBADF (Bad file descriptor) [pid 5221] close(11) = -1 EBADF (Bad file descriptor) [pid 5221] close(12) = -1 EBADF (Bad file descriptor) [pid 5221] close(13) = -1 EBADF (Bad file descriptor) [pid 5221] close(14) = -1 EBADF (Bad file descriptor) [pid 5221] close(15) = -1 EBADF (Bad file descriptor) [pid 5221] close(16) = -1 EBADF (Bad file descriptor) [pid 5221] close(17) = -1 EBADF (Bad file descriptor) [pid 5221] close(18) = -1 EBADF (Bad file descriptor) [pid 5221] close(19) = -1 EBADF (Bad file descriptor) [pid 5221] close(20) = -1 EBADF (Bad file descriptor) [pid 5221] close(21) = -1 EBADF (Bad file descriptor) [pid 5221] close(22) = -1 EBADF (Bad file descriptor) [pid 5221] close(23) = -1 EBADF (Bad file descriptor) [pid 5221] close(24) = -1 EBADF (Bad file descriptor) [pid 5221] close(25) = -1 EBADF (Bad file descriptor) [pid 5221] close(26) = -1 EBADF (Bad file descriptor) [pid 5221] close(27) = -1 EBADF (Bad file descriptor) [pid 5221] close(28) = -1 EBADF (Bad file descriptor) [pid 5221] close(29) = -1 EBADF (Bad file descriptor) [pid 5221] exit_group(0) = ? [pid 5222] <... futex resumed>) = ? [pid 5223] <... clone resumed>) = ? [pid 5222] +++ exited with 0 +++ [pid 5223] +++ exited with 0 +++ [pid 5221] +++ exited with 0 +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=174, si_uid=0, si_status=0, si_utime=26 /* 0.26 s */, si_stime=117 /* 1.17 s */} --- [pid 5037] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5037] ioctl(3, LOOP_CLR_FD) = 0 [pid 5037] close(3) = 0 [pid 5037] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cdf690) = 178 ./strace-static-x86_64: Process 5225 attached [pid 5225] set_robust_list(0x555555cdf6a0, 24) = 0 [pid 5225] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5225] setpgid(0, 0) = 0 [pid 5225] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5225] write(3, "1000", 4) = 4 [pid 5225] close(3) = 0 [pid 5225] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5225] rt_sigaction(SIGRT_1, {sa_handler=0x7fd0d78ba680, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0d78abd30}, NULL, 8) = 0 [pid 5225] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5225] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d7831000 [pid 5225] mprotect(0x7fd0d7832000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5225] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5225] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d7851990, parent_tid=0x7fd0d7851990, exit_signal=0, stack=0x7fd0d7831000, stack_size=0x20300, tls=0x7fd0d78516c0}./strace-static-x86_64: Process 5226 attached => {parent_tid=[179]}, 88) = 179 [pid 5225] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5226] rseq(0x7fd0d7851fe0, 0x20, 0, 0x53053053 [pid 5225] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5225] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5226] <... rseq resumed>) = 0 [pid 5226] set_robust_list(0x7fd0d78519a0, 24) = 0 [pid 5226] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5226] memfd_create("syzkaller", 0) = 3 [pid 5226] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0cf431000 [ 158.754604][ T5226] syz-executor317[5226]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5224] +++ killed by SIGSEGV (core dumped) +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=177, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=52 /* 0.52 s */} --- [pid 5226] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 67108864) = 67108864 [pid 5226] munmap(0x7fd0cf431000, 67108864) = 0 [pid 5226] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5226] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5226] ioctl(4, LOOP_CLR_FD) = 0 [pid 5226] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5226] close(4) = 0 [pid 5226] close(3) = 0 [pid 5226] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5226] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5225] <... futex resumed>) = 0 [pid 5225] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5225] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5226] <... futex resumed>) = 0 [pid 5226] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5225] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5225] futex(0x7fd0d792b5fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5225] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5226] <... mmap resumed>) = 0x20000000 [pid 5225] <... mmap resumed>) = 0x7fd0d3410000 [pid 5226] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5225] mprotect(0x7fd0d3411000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5225] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5225] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d3430990, parent_tid=0x7fd0d3430990, exit_signal=0, stack=0x7fd0d3410000, stack_size=0x20300, tls=0x7fd0d34306c0}./strace-static-x86_64: Process 5227 attached => {parent_tid=[180]}, 88) = 180 [pid 5227] rseq(0x7fd0d3430fe0, 0x20, 0, 0x53053053) = 0 [pid 5227] set_robust_list(0x7fd0d34309a0, 24 [pid 5225] rt_sigprocmask(SIG_SETMASK, [], [pid 5227] <... set_robust_list resumed>) = 0 [pid 5225] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5227] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5225] futex(0x7fd0d792b5f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5227] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO [pid 5225] <... futex resumed>) = 0 [pid 5225] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5226] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5228 attached [pid 5228] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5225] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5225] close(3) = -1 EBADF (Bad file descriptor) [pid 5225] close(4) = -1 EBADF (Bad file descriptor) [pid 5225] close(5) = -1 EBADF (Bad file descriptor) [pid 5225] close(6) = -1 EBADF (Bad file descriptor) [pid 5225] close(7) = -1 EBADF (Bad file descriptor) [pid 5225] close(8) = -1 EBADF (Bad file descriptor) [pid 5225] close(9) = -1 EBADF (Bad file descriptor) [pid 5225] close(10) = -1 EBADF (Bad file descriptor) [pid 5225] close(11) = -1 EBADF (Bad file descriptor) [pid 5225] close(12) = -1 EBADF (Bad file descriptor) [pid 5225] close(13) = -1 EBADF (Bad file descriptor) [pid 5225] close(14) = -1 EBADF (Bad file descriptor) [pid 5225] close(15) = -1 EBADF (Bad file descriptor) [pid 5225] close(16) = -1 EBADF (Bad file descriptor) [pid 5225] close(17) = -1 EBADF (Bad file descriptor) [pid 5225] close(18) = -1 EBADF (Bad file descriptor) [pid 5225] close(19) = -1 EBADF (Bad file descriptor) [pid 5225] close(20) = -1 EBADF (Bad file descriptor) [pid 5225] close(21) = -1 EBADF (Bad file descriptor) [pid 5225] close(22) = -1 EBADF (Bad file descriptor) [pid 5225] close(23) = -1 EBADF (Bad file descriptor) [pid 5225] close(24) = -1 EBADF (Bad file descriptor) [pid 5225] close(25) = -1 EBADF (Bad file descriptor) [pid 5225] close(26) = -1 EBADF (Bad file descriptor) [pid 5225] close(27) = -1 EBADF (Bad file descriptor) [pid 5225] close(28) = -1 EBADF (Bad file descriptor) [pid 5225] close(29) = -1 EBADF (Bad file descriptor) [pid 5225] exit_group(0 [pid 5226] <... futex resumed>) = ? [pid 5225] <... exit_group resumed>) = ? [pid 5226] +++ exited with 0 +++ [pid 5227] <... clone resumed>) = ? [pid 5227] +++ exited with 0 +++ [pid 5225] +++ exited with 0 +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=178, si_uid=0, si_status=0, si_utime=23 /* 0.23 s */, si_stime=117 /* 1.17 s */} --- [pid 5037] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5037] ioctl(3, LOOP_CLR_FD) = 0 [pid 5037] close(3) = 0 [pid 5037] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cdf690) = 182 ./strace-static-x86_64: Process 5229 attached [pid 5229] set_robust_list(0x555555cdf6a0, 24) = 0 [pid 5229] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5229] setpgid(0, 0) = 0 [pid 5229] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5229] write(3, "1000", 4) = 4 [pid 5229] close(3) = 0 [pid 5229] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5229] rt_sigaction(SIGRT_1, {sa_handler=0x7fd0d78ba680, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0d78abd30}, NULL, 8) = 0 [pid 5229] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5229] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d7831000 [pid 5229] mprotect(0x7fd0d7832000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5229] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5229] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d7851990, parent_tid=0x7fd0d7851990, exit_signal=0, stack=0x7fd0d7831000, stack_size=0x20300, tls=0x7fd0d78516c0} => {parent_tid=[183]}, 88) = 183 ./strace-static-x86_64: Process 5230 attached [pid 5230] rseq(0x7fd0d7851fe0, 0x20, 0, 0x53053053) = 0 [pid 5230] set_robust_list(0x7fd0d78519a0, 24) = 0 [pid 5230] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5230] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5229] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5229] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5230] <... futex resumed>) = 0 [pid 5230] memfd_create("syzkaller", 0 [pid 5229] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5230] <... memfd_create resumed>) = 3 [pid 5230] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0cf431000 [ 160.897024][ T5230] syz-executor317[5230]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5228] +++ killed by SIGSEGV (core dumped) +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=181, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=42 /* 0.42 s */} --- [pid 5230] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 67108864) = 67108864 [pid 5230] munmap(0x7fd0cf431000, 67108864) = 0 [pid 5230] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5230] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5230] ioctl(4, LOOP_CLR_FD) = 0 [pid 5230] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5230] close(4) = 0 [pid 5230] close(3) = 0 [pid 5230] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5229] <... futex resumed>) = 0 [pid 5229] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5229] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5230] <... futex resumed>) = 1 [pid 5230] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5229] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5229] futex(0x7fd0d792b5fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5229] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d3410000 [pid 5229] mprotect(0x7fd0d3411000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5229] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5229] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d3430990, parent_tid=0x7fd0d3430990, exit_signal=0, stack=0x7fd0d3410000, stack_size=0x20300, tls=0x7fd0d34306c0} => {parent_tid=[184]}, 88) = 184 [pid 5229] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5231 attached NULL, 8) = 0 [pid 5231] rseq(0x7fd0d3430fe0, 0x20, 0, 0x53053053 [pid 5229] futex(0x7fd0d792b5f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5231] <... rseq resumed>) = 0 [pid 5229] <... futex resumed>) = 0 [pid 5231] set_robust_list(0x7fd0d34309a0, 24 [pid 5229] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5231] <... set_robust_list resumed>) = 0 [pid 5231] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5231] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO [pid 5230] <... mmap resumed>) = 0x20000000 [pid 5230] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5230] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5232 attached [pid 5232] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5229] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5229] close(3) = -1 EBADF (Bad file descriptor) [pid 5229] close(4) = -1 EBADF (Bad file descriptor) [pid 5229] close(5) = -1 EBADF (Bad file descriptor) [pid 5229] close(6) = -1 EBADF (Bad file descriptor) [pid 5229] close(7) = -1 EBADF (Bad file descriptor) [pid 5229] close(8) = -1 EBADF (Bad file descriptor) [pid 5229] close(9) = -1 EBADF (Bad file descriptor) [pid 5229] close(10) = -1 EBADF (Bad file descriptor) [pid 5229] close(11) = -1 EBADF (Bad file descriptor) [pid 5229] close(12) = -1 EBADF (Bad file descriptor) [pid 5229] close(13) = -1 EBADF (Bad file descriptor) [pid 5229] close(14) = -1 EBADF (Bad file descriptor) [pid 5229] close(15) = -1 EBADF (Bad file descriptor) [pid 5229] close(16) = -1 EBADF (Bad file descriptor) [pid 5229] close(17) = -1 EBADF (Bad file descriptor) [pid 5229] close(18) = -1 EBADF (Bad file descriptor) [pid 5229] close(19) = -1 EBADF (Bad file descriptor) [pid 5229] close(20) = -1 EBADF (Bad file descriptor) [pid 5229] close(21) = -1 EBADF (Bad file descriptor) [pid 5229] close(22) = -1 EBADF (Bad file descriptor) [pid 5229] close(23) = -1 EBADF (Bad file descriptor) [pid 5229] close(24) = -1 EBADF (Bad file descriptor) [pid 5229] close(25) = -1 EBADF (Bad file descriptor) [pid 5229] close(26) = -1 EBADF (Bad file descriptor) [pid 5229] close(27) = -1 EBADF (Bad file descriptor) [pid 5229] close(28) = -1 EBADF (Bad file descriptor) [pid 5229] close(29) = -1 EBADF (Bad file descriptor) [pid 5229] exit_group(0) = ? [pid 5230] <... futex resumed>) = ? [pid 5230] +++ exited with 0 +++ [pid 5231] <... clone resumed>) = ? [pid 5231] +++ exited with 0 +++ [pid 5229] +++ exited with 0 +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=182, si_uid=0, si_status=0, si_utime=27 /* 0.27 s */, si_stime=121 /* 1.21 s */} --- [pid 5037] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5037] ioctl(3, LOOP_CLR_FD) = 0 [pid 5037] close(3) = 0 [pid 5037] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5233 attached [pid 5233] set_robust_list(0x555555cdf6a0, 24) = 0 [pid 5233] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5233] setpgid(0, 0) = 0 [pid 5037] <... clone resumed>, child_tidptr=0x555555cdf690) = 186 [pid 5233] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5233] write(3, "1000", 4) = 4 [pid 5233] close(3) = 0 [pid 5233] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5233] rt_sigaction(SIGRT_1, {sa_handler=0x7fd0d78ba680, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0d78abd30}, NULL, 8) = 0 [pid 5233] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5233] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d7831000 [pid 5233] mprotect(0x7fd0d7832000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5233] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5233] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d7851990, parent_tid=0x7fd0d7851990, exit_signal=0, stack=0x7fd0d7831000, stack_size=0x20300, tls=0x7fd0d78516c0} => {parent_tid=[187]}, 88) = 187 [pid 5233] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5233] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5233] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5234 attached [pid 5234] rseq(0x7fd0d7851fe0, 0x20, 0, 0x53053053) = 0 [pid 5234] set_robust_list(0x7fd0d78519a0, 24) = 0 [pid 5234] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5234] memfd_create("syzkaller", 0) = 3 [pid 5234] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0cf431000 [ 162.956305][ T5234] syz-executor317[5234]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5234] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 67108864 [pid 5232] +++ killed by SIGSEGV (core dumped) +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=185, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=48 /* 0.48 s */} --- [pid 5037] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5234] <... write resumed>) = 67108864 [pid 5234] munmap(0x7fd0cf431000, 67108864) = 0 [pid 5234] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5234] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5234] ioctl(4, LOOP_CLR_FD) = 0 [pid 5234] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5234] close(4) = 0 [pid 5234] close(3) = 0 [pid 5234] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5234] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5233] <... futex resumed>) = 0 [pid 5233] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5233] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5234] <... futex resumed>) = 0 [pid 5234] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5233] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5233] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5233] futex(0x7fd0d792b5fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5233] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d3410000 [pid 5233] mprotect(0x7fd0d3411000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5233] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5233] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d3430990, parent_tid=0x7fd0d3430990, exit_signal=0, stack=0x7fd0d3410000, stack_size=0x20300, tls=0x7fd0d34306c0} => {parent_tid=[188]}, 88) = 188 [pid 5233] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 5235 attached [pid 5235] rseq(0x7fd0d3430fe0, 0x20, 0, 0x53053053) = 0 [pid 5235] set_robust_list(0x7fd0d34309a0, 24) = 0 [pid 5233] futex(0x7fd0d792b5f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5235] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5233] <... futex resumed>) = 0 [pid 5235] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO [pid 5233] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5234] <... mmap resumed>) = 0x20000000 [pid 5234] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5234] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5236 attached [pid 5236] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5233] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5233] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5233] close(3) = -1 EBADF (Bad file descriptor) [pid 5233] close(4) = -1 EBADF (Bad file descriptor) [pid 5233] close(5) = -1 EBADF (Bad file descriptor) [pid 5233] close(6) = -1 EBADF (Bad file descriptor) [pid 5233] close(7) = -1 EBADF (Bad file descriptor) [pid 5233] close(8) = -1 EBADF (Bad file descriptor) [pid 5233] close(9) = -1 EBADF (Bad file descriptor) [pid 5233] close(10) = -1 EBADF (Bad file descriptor) [pid 5233] close(11) = -1 EBADF (Bad file descriptor) [pid 5233] close(12) = -1 EBADF (Bad file descriptor) [pid 5233] close(13) = -1 EBADF (Bad file descriptor) [pid 5233] close(14) = -1 EBADF (Bad file descriptor) [pid 5233] close(15) = -1 EBADF (Bad file descriptor) [pid 5233] close(16) = -1 EBADF (Bad file descriptor) [pid 5233] close(17) = -1 EBADF (Bad file descriptor) [pid 5233] close(18) = -1 EBADF (Bad file descriptor) [pid 5233] close(19) = -1 EBADF (Bad file descriptor) [pid 5233] close(20) = -1 EBADF (Bad file descriptor) [pid 5233] close(21) = -1 EBADF (Bad file descriptor) [pid 5233] close(22) = -1 EBADF (Bad file descriptor) [pid 5233] close(23) = -1 EBADF (Bad file descriptor) [pid 5233] close(24) = -1 EBADF (Bad file descriptor) [pid 5233] close(25) = -1 EBADF (Bad file descriptor) [pid 5233] close(26) = -1 EBADF (Bad file descriptor) [pid 5233] close(27) = -1 EBADF (Bad file descriptor) [pid 5233] close(28) = -1 EBADF (Bad file descriptor) [pid 5233] close(29) = -1 EBADF (Bad file descriptor) [pid 5233] exit_group(0) = ? [pid 5234] <... futex resumed>) = ? [pid 5235] <... clone resumed>) = ? [pid 5234] +++ exited with 0 +++ [pid 5235] +++ exited with 0 +++ [pid 5233] +++ exited with 0 +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=186, si_uid=0, si_status=0, si_utime=29 /* 0.29 s */, si_stime=117 /* 1.17 s */} --- [pid 5037] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5037] ioctl(3, LOOP_CLR_FD) = 0 [pid 5037] close(3) = 0 [pid 5037] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cdf690) = 190 ./strace-static-x86_64: Process 5237 attached [pid 5237] set_robust_list(0x555555cdf6a0, 24) = 0 [pid 5237] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5237] setpgid(0, 0) = 0 [pid 5237] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5237] write(3, "1000", 4) = 4 [pid 5237] close(3) = 0 [pid 5237] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5237] rt_sigaction(SIGRT_1, {sa_handler=0x7fd0d78ba680, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0d78abd30}, NULL, 8) = 0 [pid 5237] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5237] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d7831000 [pid 5237] mprotect(0x7fd0d7832000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5237] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5237] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d7851990, parent_tid=0x7fd0d7851990, exit_signal=0, stack=0x7fd0d7831000, stack_size=0x20300, tls=0x7fd0d78516c0} => {parent_tid=[191]}, 88) = 191 [pid 5237] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5238 attached NULL, 8) = 0 [pid 5237] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5237] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5238] rseq(0x7fd0d7851fe0, 0x20, 0, 0x53053053) = 0 [pid 5238] set_robust_list(0x7fd0d78519a0, 24) = 0 [pid 5238] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5238] memfd_create("syzkaller", 0) = 3 [pid 5238] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0cf431000 [ 164.999263][ T5238] syz-executor317[5238]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5236] +++ killed by SIGSEGV (core dumped) +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=189, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=50 /* 0.50 s */} --- [pid 5238] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 67108864) = 67108864 [pid 5238] munmap(0x7fd0cf431000, 67108864) = 0 [pid 5238] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5238] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5238] ioctl(4, LOOP_CLR_FD) = 0 [pid 5238] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5238] close(4) = 0 [pid 5238] close(3) = 0 [pid 5238] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5237] <... futex resumed>) = 0 [pid 5237] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5237] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5238] <... futex resumed>) = 1 [pid 5238] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5237] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5237] futex(0x7fd0d792b5fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5237] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d3410000 [pid 5238] <... mmap resumed>) = 0x20000000 [pid 5237] mprotect(0x7fd0d3411000, 131072, PROT_READ|PROT_WRITE [pid 5238] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5237] <... mprotect resumed>) = 0 [pid 5237] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5237] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d3430990, parent_tid=0x7fd0d3430990, exit_signal=0, stack=0x7fd0d3410000, stack_size=0x20300, tls=0x7fd0d34306c0} => {parent_tid=[192]}, 88) = 192 ./strace-static-x86_64: Process 5239 attached [pid 5237] rt_sigprocmask(SIG_SETMASK, [], [pid 5239] rseq(0x7fd0d3430fe0, 0x20, 0, 0x53053053 [pid 5237] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5239] <... rseq resumed>) = 0 [pid 5237] futex(0x7fd0d792b5f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5237] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5238] <... futex resumed>) = 0 [pid 5238] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5239] set_robust_list(0x7fd0d34309a0, 24) = 0 [pid 5239] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5239] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5240 attached [pid 5240] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5237] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5237] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5237] close(3) = -1 EBADF (Bad file descriptor) [pid 5237] close(4) = -1 EBADF (Bad file descriptor) [pid 5237] close(5) = -1 EBADF (Bad file descriptor) [pid 5237] close(6) = -1 EBADF (Bad file descriptor) [pid 5237] close(7) = -1 EBADF (Bad file descriptor) [pid 5237] close(8) = -1 EBADF (Bad file descriptor) [pid 5237] close(9) = -1 EBADF (Bad file descriptor) [pid 5237] close(10) = -1 EBADF (Bad file descriptor) [pid 5237] close(11) = -1 EBADF (Bad file descriptor) [pid 5237] close(12) = -1 EBADF (Bad file descriptor) [pid 5237] close(13) = -1 EBADF (Bad file descriptor) [pid 5237] close(14) = -1 EBADF (Bad file descriptor) [pid 5237] close(15) = -1 EBADF (Bad file descriptor) [pid 5237] close(16) = -1 EBADF (Bad file descriptor) [pid 5237] close(17) = -1 EBADF (Bad file descriptor) [pid 5237] close(18) = -1 EBADF (Bad file descriptor) [pid 5237] close(19) = -1 EBADF (Bad file descriptor) [pid 5237] close(20) = -1 EBADF (Bad file descriptor) [pid 5237] close(21) = -1 EBADF (Bad file descriptor) [pid 5237] close(22) = -1 EBADF (Bad file descriptor) [pid 5237] close(23) = -1 EBADF (Bad file descriptor) [pid 5237] close(24) = -1 EBADF (Bad file descriptor) [pid 5237] close(25) = -1 EBADF (Bad file descriptor) [pid 5237] close(26) = -1 EBADF (Bad file descriptor) [pid 5237] close(27) = -1 EBADF (Bad file descriptor) [pid 5237] close(28) = -1 EBADF (Bad file descriptor) [pid 5237] close(29) = -1 EBADF (Bad file descriptor) [pid 5237] exit_group(0) = ? [pid 5239] <... clone resumed>) = ? [pid 5238] <... futex resumed>) = ? [pid 5238] +++ exited with 0 +++ [pid 5239] +++ exited with 0 +++ [pid 5237] +++ exited with 0 +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=190, si_uid=0, si_status=0, si_utime=34 /* 0.34 s */, si_stime=118 /* 1.18 s */} --- [pid 5037] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5037] ioctl(3, LOOP_CLR_FD) = 0 [pid 5037] close(3) = 0 [pid 5037] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cdf690) = 194 ./strace-static-x86_64: Process 5241 attached [pid 5241] set_robust_list(0x555555cdf6a0, 24) = 0 [pid 5241] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5241] setpgid(0, 0) = 0 [pid 5241] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5241] write(3, "1000", 4) = 4 [pid 5241] close(3) = 0 [pid 5241] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5241] rt_sigaction(SIGRT_1, {sa_handler=0x7fd0d78ba680, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0d78abd30}, NULL, 8) = 0 [pid 5241] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5241] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d7831000 [pid 5241] mprotect(0x7fd0d7832000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5241] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5241] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d7851990, parent_tid=0x7fd0d7851990, exit_signal=0, stack=0x7fd0d7831000, stack_size=0x20300, tls=0x7fd0d78516c0} => {parent_tid=[195]}, 88) = 195 [pid 5241] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5241] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5241] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5242 attached [pid 5242] rseq(0x7fd0d7851fe0, 0x20, 0, 0x53053053) = 0 [pid 5242] set_robust_list(0x7fd0d78519a0, 24) = 0 [pid 5242] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5242] memfd_create("syzkaller", 0) = 3 [pid 5242] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0cf431000 [ 167.057329][ T5242] syz-executor317[5242]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5242] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 67108864 [pid 5240] +++ killed by SIGSEGV (core dumped) +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=193, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=47 /* 0.47 s */} --- [pid 5037] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5242] <... write resumed>) = 67108864 [pid 5242] munmap(0x7fd0cf431000, 67108864) = 0 [pid 5242] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5242] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5242] ioctl(4, LOOP_CLR_FD) = 0 [pid 5242] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5242] close(4) = 0 [pid 5242] close(3) = 0 [pid 5242] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5241] <... futex resumed>) = 0 [pid 5242] <... futex resumed>) = 1 [pid 5241] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5241] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5242] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5241] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5241] futex(0x7fd0d792b5fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5241] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5242] <... mmap resumed>) = 0x20000000 [pid 5241] <... mmap resumed>) = 0x7fd0d3410000 [pid 5241] mprotect(0x7fd0d3411000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5241] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5241] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d3430990, parent_tid=0x7fd0d3430990, exit_signal=0, stack=0x7fd0d3410000, stack_size=0x20300, tls=0x7fd0d34306c0}./strace-static-x86_64: Process 5243 attached [pid 5243] rseq(0x7fd0d3430fe0, 0x20, 0, 0x53053053 [pid 5241] <... clone3 resumed> => {parent_tid=[196]}, 88) = 196 [pid 5243] <... rseq resumed>) = 0 [pid 5241] rt_sigprocmask(SIG_SETMASK, [], [pid 5243] set_robust_list(0x7fd0d34309a0, 24 [pid 5241] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5243] <... set_robust_list resumed>) = 0 [pid 5241] futex(0x7fd0d792b5f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5243] rt_sigprocmask(SIG_SETMASK, [], [pid 5241] <... futex resumed>) = 0 [pid 5243] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5241] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5243] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO [pid 5242] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 5244 attached [pid 5242] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5244] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5241] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5241] close(3) = -1 EBADF (Bad file descriptor) [pid 5241] close(4) = -1 EBADF (Bad file descriptor) [pid 5241] close(5) = -1 EBADF (Bad file descriptor) [pid 5241] close(6) = -1 EBADF (Bad file descriptor) [pid 5241] close(7) = -1 EBADF (Bad file descriptor) [pid 5241] close(8) = -1 EBADF (Bad file descriptor) [pid 5241] close(9) = -1 EBADF (Bad file descriptor) [pid 5241] close(10) = -1 EBADF (Bad file descriptor) [pid 5241] close(11) = -1 EBADF (Bad file descriptor) [pid 5241] close(12) = -1 EBADF (Bad file descriptor) [pid 5241] close(13) = -1 EBADF (Bad file descriptor) [pid 5241] close(14) = -1 EBADF (Bad file descriptor) [pid 5241] close(15) = -1 EBADF (Bad file descriptor) [pid 5241] close(16) = -1 EBADF (Bad file descriptor) [pid 5241] close(17) = -1 EBADF (Bad file descriptor) [pid 5241] close(18) = -1 EBADF (Bad file descriptor) [pid 5241] close(19) = -1 EBADF (Bad file descriptor) [pid 5241] close(20) = -1 EBADF (Bad file descriptor) [pid 5241] close(21) = -1 EBADF (Bad file descriptor) [pid 5241] close(22) = -1 EBADF (Bad file descriptor) [pid 5241] close(23) = -1 EBADF (Bad file descriptor) [pid 5241] close(24) = -1 EBADF (Bad file descriptor) [pid 5241] close(25) = -1 EBADF (Bad file descriptor) [pid 5241] close(26) = -1 EBADF (Bad file descriptor) [pid 5241] close(27) = -1 EBADF (Bad file descriptor) [pid 5241] close(28) = -1 EBADF (Bad file descriptor) [pid 5241] close(29) = -1 EBADF (Bad file descriptor) [pid 5241] exit_group(0) = ? [pid 5242] <... futex resumed>) = ? [pid 5243] <... clone resumed>) = ? [pid 5242] +++ exited with 0 +++ [pid 5243] +++ exited with 0 +++ [pid 5241] +++ exited with 0 +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=194, si_uid=0, si_status=0, si_utime=28 /* 0.28 s */, si_stime=114 /* 1.14 s */} --- [pid 5037] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5037] ioctl(3, LOOP_CLR_FD) = 0 [pid 5037] close(3) = 0 [pid 5037] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cdf690) = 198 ./strace-static-x86_64: Process 5245 attached [pid 5245] set_robust_list(0x555555cdf6a0, 24) = 0 [pid 5245] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5245] setpgid(0, 0) = 0 [pid 5245] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5245] write(3, "1000", 4) = 4 [pid 5245] close(3) = 0 [pid 5245] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5245] rt_sigaction(SIGRT_1, {sa_handler=0x7fd0d78ba680, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0d78abd30}, NULL, 8) = 0 [pid 5245] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5245] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d7831000 [pid 5245] mprotect(0x7fd0d7832000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5245] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5245] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d7851990, parent_tid=0x7fd0d7851990, exit_signal=0, stack=0x7fd0d7831000, stack_size=0x20300, tls=0x7fd0d78516c0}./strace-static-x86_64: Process 5246 attached [pid 5246] rseq(0x7fd0d7851fe0, 0x20, 0, 0x53053053 [pid 5245] <... clone3 resumed> => {parent_tid=[199]}, 88) = 199 [pid 5246] <... rseq resumed>) = 0 [pid 5245] rt_sigprocmask(SIG_SETMASK, [], [pid 5246] set_robust_list(0x7fd0d78519a0, 24 [pid 5245] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5246] <... set_robust_list resumed>) = 0 [pid 5245] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5246] rt_sigprocmask(SIG_SETMASK, [], [pid 5245] <... futex resumed>) = 0 [pid 5246] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5245] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5246] memfd_create("syzkaller", 0) = 3 [pid 5246] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0cf431000 [ 169.175735][ T5246] syz-executor317[5246]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5244] +++ killed by SIGSEGV (core dumped) +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=197, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=51 /* 0.51 s */} --- [pid 5246] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 67108864) = 67108864 [pid 5246] munmap(0x7fd0cf431000, 67108864) = 0 [pid 5246] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5246] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5246] ioctl(4, LOOP_CLR_FD) = 0 [pid 5246] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5246] close(4) = 0 [pid 5246] close(3) = 0 [pid 5246] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5245] <... futex resumed>) = 0 [pid 5246] <... futex resumed>) = 1 [pid 5245] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5246] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5245] <... futex resumed>) = 0 [pid 5245] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5245] futex(0x7fd0d792b5fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5245] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5246] <... mmap resumed>) = 0x20000000 [pid 5245] <... mmap resumed>) = 0x7fd0d3410000 [pid 5245] mprotect(0x7fd0d3411000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5245] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5245] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d3430990, parent_tid=0x7fd0d3430990, exit_signal=0, stack=0x7fd0d3410000, stack_size=0x20300, tls=0x7fd0d34306c0} [pid 5246] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5245] <... clone3 resumed> => {parent_tid=[200]}, 88) = 200 [pid 5245] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5246] <... futex resumed>) = 0 [pid 5246] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5247 attached [pid 5247] rseq(0x7fd0d3430fe0, 0x20, 0, 0x53053053 [pid 5245] futex(0x7fd0d792b5f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5245] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5247] <... rseq resumed>) = 0 [pid 5247] set_robust_list(0x7fd0d34309a0, 24) = 0 [pid 5247] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5247] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5248 attached [pid 5248] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5245] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5245] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5245] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5245] close(3) = -1 EBADF (Bad file descriptor) [pid 5245] close(4) = -1 EBADF (Bad file descriptor) [pid 5245] close(5) = -1 EBADF (Bad file descriptor) [pid 5245] close(6) = -1 EBADF (Bad file descriptor) [pid 5245] close(7) = -1 EBADF (Bad file descriptor) [pid 5245] close(8) = -1 EBADF (Bad file descriptor) [pid 5245] close(9) = -1 EBADF (Bad file descriptor) [pid 5245] close(10) = -1 EBADF (Bad file descriptor) [pid 5245] close(11) = -1 EBADF (Bad file descriptor) [pid 5245] close(12) = -1 EBADF (Bad file descriptor) [pid 5245] close(13) = -1 EBADF (Bad file descriptor) [pid 5245] close(14) = -1 EBADF (Bad file descriptor) [pid 5245] close(15) = -1 EBADF (Bad file descriptor) [pid 5245] close(16) = -1 EBADF (Bad file descriptor) [pid 5245] close(17) = -1 EBADF (Bad file descriptor) [pid 5245] close(18) = -1 EBADF (Bad file descriptor) [pid 5245] close(19) = -1 EBADF (Bad file descriptor) [pid 5245] close(20) = -1 EBADF (Bad file descriptor) [pid 5245] close(21) = -1 EBADF (Bad file descriptor) [pid 5245] close(22) = -1 EBADF (Bad file descriptor) [pid 5245] close(23) = -1 EBADF (Bad file descriptor) [pid 5245] close(24) = -1 EBADF (Bad file descriptor) [pid 5245] close(25) = -1 EBADF (Bad file descriptor) [pid 5245] close(26) = -1 EBADF (Bad file descriptor) [pid 5245] close(27) = -1 EBADF (Bad file descriptor) [pid 5245] close(28) = -1 EBADF (Bad file descriptor) [pid 5245] close(29) = -1 EBADF (Bad file descriptor) [pid 5245] exit_group(0 [pid 5246] <... futex resumed>) = ? [pid 5245] <... exit_group resumed>) = ? [pid 5246] +++ exited with 0 +++ [pid 5247] <... clone resumed>) = ? [pid 5247] +++ exited with 0 +++ [pid 5245] +++ exited with 0 +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=198, si_uid=0, si_status=0, si_utime=31 /* 0.31 s */, si_stime=118 /* 1.18 s */} --- [pid 5037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5037] ioctl(3, LOOP_CLR_FD) = 0 [pid 5037] close(3) = 0 [pid 5037] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5249 attached , child_tidptr=0x555555cdf690) = 202 [pid 5249] set_robust_list(0x555555cdf6a0, 24) = 0 [pid 5249] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5249] setpgid(0, 0) = 0 [pid 5249] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5249] write(3, "1000", 4) = 4 [pid 5249] close(3) = 0 [pid 5249] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5249] rt_sigaction(SIGRT_1, {sa_handler=0x7fd0d78ba680, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0d78abd30}, NULL, 8) = 0 [pid 5249] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5249] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d7831000 [pid 5249] mprotect(0x7fd0d7832000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5249] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5249] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d7851990, parent_tid=0x7fd0d7851990, exit_signal=0, stack=0x7fd0d7831000, stack_size=0x20300, tls=0x7fd0d78516c0} => {parent_tid=[203]}, 88) = 203 [pid 5249] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5249] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5249] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5250 attached [pid 5250] rseq(0x7fd0d7851fe0, 0x20, 0, 0x53053053) = 0 [pid 5250] set_robust_list(0x7fd0d78519a0, 24) = 0 [pid 5250] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5250] memfd_create("syzkaller", 0) = 3 [pid 5250] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0cf431000 [ 171.290089][ T5250] syz-executor317[5250]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5248] +++ killed by SIGSEGV (core dumped) +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=201, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=50 /* 0.50 s */} --- [pid 5037] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5250] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 67108864) = 67108864 [pid 5250] munmap(0x7fd0cf431000, 67108864) = 0 [pid 5250] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5250] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5250] ioctl(4, LOOP_CLR_FD) = 0 [pid 5250] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5250] close(4) = 0 [pid 5250] close(3) = 0 [pid 5250] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5249] <... futex resumed>) = 0 [pid 5250] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5249] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5250] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5249] <... futex resumed>) = 0 [pid 5250] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5249] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5249] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5249] futex(0x7fd0d792b5fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5249] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5250] <... mmap resumed>) = 0x20000000 [pid 5250] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5249] <... mmap resumed>) = 0x7fd0d3410000 [pid 5250] <... futex resumed>) = 0 [pid 5249] mprotect(0x7fd0d3411000, 131072, PROT_READ|PROT_WRITE [pid 5250] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5249] <... mprotect resumed>) = 0 [pid 5249] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5249] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d3430990, parent_tid=0x7fd0d3430990, exit_signal=0, stack=0x7fd0d3410000, stack_size=0x20300, tls=0x7fd0d34306c0}./strace-static-x86_64: Process 5251 attached => {parent_tid=[204]}, 88) = 204 [pid 5251] rseq(0x7fd0d3430fe0, 0x20, 0, 0x53053053 [pid 5249] rt_sigprocmask(SIG_SETMASK, [], [pid 5251] <... rseq resumed>) = 0 [pid 5249] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5251] set_robust_list(0x7fd0d34309a0, 24 [pid 5249] futex(0x7fd0d792b5f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5251] <... set_robust_list resumed>) = 0 [pid 5249] <... futex resumed>) = 0 [pid 5249] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5251] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5251] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5252 attached [pid 5252] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5249] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5249] close(3) = -1 EBADF (Bad file descriptor) [pid 5249] close(4) = -1 EBADF (Bad file descriptor) [pid 5249] close(5) = -1 EBADF (Bad file descriptor) [pid 5249] close(6) = -1 EBADF (Bad file descriptor) [pid 5249] close(7) = -1 EBADF (Bad file descriptor) [pid 5249] close(8) = -1 EBADF (Bad file descriptor) [pid 5249] close(9) = -1 EBADF (Bad file descriptor) [pid 5249] close(10) = -1 EBADF (Bad file descriptor) [pid 5249] close(11) = -1 EBADF (Bad file descriptor) [pid 5249] close(12) = -1 EBADF (Bad file descriptor) [pid 5249] close(13) = -1 EBADF (Bad file descriptor) [pid 5249] close(14) = -1 EBADF (Bad file descriptor) [pid 5249] close(15) = -1 EBADF (Bad file descriptor) [pid 5249] close(16) = -1 EBADF (Bad file descriptor) [pid 5249] close(17) = -1 EBADF (Bad file descriptor) [pid 5249] close(18) = -1 EBADF (Bad file descriptor) [pid 5249] close(19) = -1 EBADF (Bad file descriptor) [pid 5249] close(20) = -1 EBADF (Bad file descriptor) [pid 5249] close(21) = -1 EBADF (Bad file descriptor) [pid 5249] close(22) = -1 EBADF (Bad file descriptor) [pid 5249] close(23) = -1 EBADF (Bad file descriptor) [pid 5249] close(24) = -1 EBADF (Bad file descriptor) [pid 5249] close(25) = -1 EBADF (Bad file descriptor) [pid 5249] close(26) = -1 EBADF (Bad file descriptor) [pid 5249] close(27) = -1 EBADF (Bad file descriptor) [pid 5249] close(28) = -1 EBADF (Bad file descriptor) [pid 5249] close(29) = -1 EBADF (Bad file descriptor) [pid 5249] exit_group(0 [pid 5251] <... clone resumed>) = ? [pid 5249] <... exit_group resumed>) = ? [pid 5250] <... futex resumed>) = ? [pid 5251] +++ exited with 0 +++ [pid 5250] +++ exited with 0 +++ [pid 5249] +++ exited with 0 +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=202, si_uid=0, si_status=0, si_utime=33 /* 0.33 s */, si_stime=106 /* 1.06 s */} --- [pid 5037] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5037] ioctl(3, LOOP_CLR_FD) = 0 [pid 5037] close(3) = 0 [pid 5037] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5253 attached , child_tidptr=0x555555cdf690) = 206 [pid 5253] set_robust_list(0x555555cdf6a0, 24) = 0 [pid 5253] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5253] setpgid(0, 0) = 0 [pid 5253] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5253] write(3, "1000", 4) = 4 [pid 5253] close(3) = 0 [pid 5253] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5253] rt_sigaction(SIGRT_1, {sa_handler=0x7fd0d78ba680, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0d78abd30}, NULL, 8) = 0 [pid 5253] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5253] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d7831000 [pid 5253] mprotect(0x7fd0d7832000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5253] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5253] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d7851990, parent_tid=0x7fd0d7851990, exit_signal=0, stack=0x7fd0d7831000, stack_size=0x20300, tls=0x7fd0d78516c0}./strace-static-x86_64: Process 5254 attached => {parent_tid=[207]}, 88) = 207 [pid 5254] rseq(0x7fd0d7851fe0, 0x20, 0, 0x53053053 [pid 5253] rt_sigprocmask(SIG_SETMASK, [], [pid 5254] <... rseq resumed>) = 0 [pid 5253] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5254] set_robust_list(0x7fd0d78519a0, 24 [pid 5253] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5254] <... set_robust_list resumed>) = 0 [pid 5253] <... futex resumed>) = 0 [pid 5254] rt_sigprocmask(SIG_SETMASK, [], [pid 5253] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5254] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5254] memfd_create("syzkaller", 0) = 3 [pid 5254] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0cf431000 [ 173.327360][ T5254] syz-executor317[5254]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5252] +++ killed by SIGSEGV (core dumped) +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=205, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=50 /* 0.50 s */} --- [pid 5254] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 67108864) = 67108864 [pid 5254] munmap(0x7fd0cf431000, 67108864) = 0 [pid 5254] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5254] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5254] ioctl(4, LOOP_CLR_FD) = 0 [pid 5254] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5254] close(4) = 0 [pid 5254] close(3) = 0 [pid 5254] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5253] <... futex resumed>) = 0 [pid 5254] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5253] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5254] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5253] <... futex resumed>) = 0 [pid 5254] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5253] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5253] futex(0x7fd0d792b5fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5253] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5254] <... mmap resumed>) = 0x20000000 [pid 5254] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5253] <... mmap resumed>) = 0x7fd0d3410000 [pid 5254] <... futex resumed>) = 0 [pid 5254] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5253] mprotect(0x7fd0d3411000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5253] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5253] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d3430990, parent_tid=0x7fd0d3430990, exit_signal=0, stack=0x7fd0d3410000, stack_size=0x20300, tls=0x7fd0d34306c0} => {parent_tid=[208]}, 88) = 208 [pid 5253] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5253] futex(0x7fd0d792b5f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5253] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5255 attached [pid 5255] rseq(0x7fd0d3430fe0, 0x20, 0, 0x53053053) = 0 [pid 5255] set_robust_list(0x7fd0d34309a0, 24) = 0 [pid 5255] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5255] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5256 attached [pid 5256] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5253] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5253] close(3) = -1 EBADF (Bad file descriptor) [pid 5253] close(4) = -1 EBADF (Bad file descriptor) [pid 5253] close(5) = -1 EBADF (Bad file descriptor) [pid 5253] close(6) = -1 EBADF (Bad file descriptor) [pid 5253] close(7) = -1 EBADF (Bad file descriptor) [pid 5253] close(8) = -1 EBADF (Bad file descriptor) [pid 5253] close(9) = -1 EBADF (Bad file descriptor) [pid 5253] close(10) = -1 EBADF (Bad file descriptor) [pid 5253] close(11) = -1 EBADF (Bad file descriptor) [pid 5253] close(12) = -1 EBADF (Bad file descriptor) [pid 5253] close(13) = -1 EBADF (Bad file descriptor) [pid 5253] close(14) = -1 EBADF (Bad file descriptor) [pid 5253] close(15) = -1 EBADF (Bad file descriptor) [pid 5253] close(16) = -1 EBADF (Bad file descriptor) [pid 5253] close(17) = -1 EBADF (Bad file descriptor) [pid 5253] close(18) = -1 EBADF (Bad file descriptor) [pid 5253] close(19) = -1 EBADF (Bad file descriptor) [pid 5253] close(20) = -1 EBADF (Bad file descriptor) [pid 5253] close(21) = -1 EBADF (Bad file descriptor) [pid 5253] close(22) = -1 EBADF (Bad file descriptor) [pid 5253] close(23) = -1 EBADF (Bad file descriptor) [pid 5253] close(24) = -1 EBADF (Bad file descriptor) [pid 5253] close(25) = -1 EBADF (Bad file descriptor) [pid 5253] close(26) = -1 EBADF (Bad file descriptor) [pid 5253] close(27) = -1 EBADF (Bad file descriptor) [pid 5253] close(28) = -1 EBADF (Bad file descriptor) [pid 5253] close(29) = -1 EBADF (Bad file descriptor) [pid 5253] exit_group(0) = ? [pid 5254] <... futex resumed>) = ? [pid 5255] <... clone resumed>) = ? [pid 5255] +++ exited with 0 +++ [pid 5254] +++ exited with 0 +++ [pid 5253] +++ exited with 0 +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=206, si_uid=0, si_status=0, si_utime=26 /* 0.26 s */, si_stime=117 /* 1.17 s */} --- [pid 5037] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5037] ioctl(3, LOOP_CLR_FD) = 0 [pid 5037] close(3) = 0 [pid 5037] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cdf690) = 210 ./strace-static-x86_64: Process 5257 attached [pid 5257] set_robust_list(0x555555cdf6a0, 24) = 0 [pid 5257] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5257] setpgid(0, 0) = 0 [pid 5257] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5257] write(3, "1000", 4) = 4 [pid 5257] close(3) = 0 [pid 5257] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5257] rt_sigaction(SIGRT_1, {sa_handler=0x7fd0d78ba680, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0d78abd30}, NULL, 8) = 0 [pid 5257] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5257] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d7831000 [pid 5257] mprotect(0x7fd0d7832000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5257] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5257] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d7851990, parent_tid=0x7fd0d7851990, exit_signal=0, stack=0x7fd0d7831000, stack_size=0x20300, tls=0x7fd0d78516c0}./strace-static-x86_64: Process 5258 attached [pid 5258] rseq(0x7fd0d7851fe0, 0x20, 0, 0x53053053 [pid 5257] <... clone3 resumed> => {parent_tid=[211]}, 88) = 211 [pid 5257] rt_sigprocmask(SIG_SETMASK, [], [pid 5258] <... rseq resumed>) = 0 [pid 5257] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5258] set_robust_list(0x7fd0d78519a0, 24 [pid 5257] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5258] <... set_robust_list resumed>) = 0 [pid 5258] rt_sigprocmask(SIG_SETMASK, [], [pid 5257] <... futex resumed>) = 0 [pid 5258] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5257] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5258] memfd_create("syzkaller", 0) = 3 [pid 5258] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0cf431000 [ 175.504188][ T5258] syz-executor317[5258]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5256] +++ killed by SIGSEGV (core dumped) +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=209, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=51 /* 0.51 s */} --- [pid 5037] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5258] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 67108864) = 67108864 [pid 5258] munmap(0x7fd0cf431000, 67108864) = 0 [pid 5258] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5258] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5258] ioctl(4, LOOP_CLR_FD) = 0 [pid 5258] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5258] close(4) = 0 [pid 5258] close(3) = 0 [pid 5258] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5257] <... futex resumed>) = 0 [pid 5257] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5257] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5258] <... futex resumed>) = 1 [pid 5258] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5257] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5257] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5257] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5257] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5257] futex(0x7fd0d792b5fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5257] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d3410000 [pid 5257] mprotect(0x7fd0d3411000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5257] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5257] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d3430990, parent_tid=0x7fd0d3430990, exit_signal=0, stack=0x7fd0d3410000, stack_size=0x20300, tls=0x7fd0d34306c0}./strace-static-x86_64: Process 5259 attached => {parent_tid=[212]}, 88) = 212 [pid 5257] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5257] futex(0x7fd0d792b5f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5257] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5258] <... mmap resumed>) = 0x20000000 [pid 5258] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5258] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5259] rseq(0x7fd0d3430fe0, 0x20, 0, 0x53053053) = 0 [pid 5259] set_robust_list(0x7fd0d34309a0, 24) = 0 [pid 5259] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5259] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5260 attached [pid 5260] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5257] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5257] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5257] close(3) = -1 EBADF (Bad file descriptor) [pid 5257] close(4) = -1 EBADF (Bad file descriptor) [pid 5257] close(5) = -1 EBADF (Bad file descriptor) [pid 5257] close(6) = -1 EBADF (Bad file descriptor) [pid 5257] close(7) = -1 EBADF (Bad file descriptor) [pid 5257] close(8) = -1 EBADF (Bad file descriptor) [pid 5257] close(9) = -1 EBADF (Bad file descriptor) [pid 5257] close(10) = -1 EBADF (Bad file descriptor) [pid 5257] close(11) = -1 EBADF (Bad file descriptor) [pid 5257] close(12) = -1 EBADF (Bad file descriptor) [pid 5257] close(13) = -1 EBADF (Bad file descriptor) [pid 5257] close(14) = -1 EBADF (Bad file descriptor) [pid 5257] close(15) = -1 EBADF (Bad file descriptor) [pid 5257] close(16) = -1 EBADF (Bad file descriptor) [pid 5257] close(17) = -1 EBADF (Bad file descriptor) [pid 5257] close(18) = -1 EBADF (Bad file descriptor) [pid 5257] close(19) = -1 EBADF (Bad file descriptor) [pid 5257] close(20) = -1 EBADF (Bad file descriptor) [pid 5257] close(21) = -1 EBADF (Bad file descriptor) [pid 5257] close(22) = -1 EBADF (Bad file descriptor) [pid 5257] close(23) = -1 EBADF (Bad file descriptor) [pid 5257] close(24) = -1 EBADF (Bad file descriptor) [pid 5257] close(25) = -1 EBADF (Bad file descriptor) [pid 5257] close(26) = -1 EBADF (Bad file descriptor) [pid 5257] close(27) = -1 EBADF (Bad file descriptor) [pid 5257] close(28) = -1 EBADF (Bad file descriptor) [pid 5257] close(29) = -1 EBADF (Bad file descriptor) [pid 5257] exit_group(0) = ? [pid 5258] <... futex resumed>) = ? [pid 5259] <... clone resumed>) = ? [pid 5258] +++ exited with 0 +++ [pid 5259] +++ exited with 0 +++ [pid 5257] +++ exited with 0 +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=210, si_uid=0, si_status=0, si_utime=29 /* 0.29 s */, si_stime=118 /* 1.18 s */} --- [pid 5037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5037] ioctl(3, LOOP_CLR_FD) = 0 [pid 5037] close(3) = 0 [pid 5037] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5261 attached , child_tidptr=0x555555cdf690) = 214 [pid 5261] set_robust_list(0x555555cdf6a0, 24) = 0 [pid 5261] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5261] setpgid(0, 0) = 0 [pid 5261] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5261] write(3, "1000", 4) = 4 [pid 5261] close(3) = 0 [pid 5261] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5261] rt_sigaction(SIGRT_1, {sa_handler=0x7fd0d78ba680, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0d78abd30}, NULL, 8) = 0 [pid 5261] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5261] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d7831000 [pid 5261] mprotect(0x7fd0d7832000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5261] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5261] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d7851990, parent_tid=0x7fd0d7851990, exit_signal=0, stack=0x7fd0d7831000, stack_size=0x20300, tls=0x7fd0d78516c0}./strace-static-x86_64: Process 5262 attached [pid 5262] rseq(0x7fd0d7851fe0, 0x20, 0, 0x53053053 [pid 5261] <... clone3 resumed> => {parent_tid=[215]}, 88) = 215 [pid 5262] <... rseq resumed>) = 0 [pid 5261] rt_sigprocmask(SIG_SETMASK, [], [pid 5262] set_robust_list(0x7fd0d78519a0, 24 [pid 5261] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5262] <... set_robust_list resumed>) = 0 [pid 5261] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5262] rt_sigprocmask(SIG_SETMASK, [], [pid 5261] <... futex resumed>) = 0 [pid 5262] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5261] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5262] memfd_create("syzkaller", 0) = 3 [pid 5262] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0cf431000 [ 177.575461][ T5262] syz-executor317[5262]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5260] +++ killed by SIGSEGV (core dumped) +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=213, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=48 /* 0.48 s */} --- [pid 5037] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5262] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 67108864) = 67108864 [pid 5262] munmap(0x7fd0cf431000, 67108864) = 0 [pid 5262] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5262] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5262] ioctl(4, LOOP_CLR_FD) = 0 [pid 5262] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5262] close(4) = 0 [pid 5262] close(3) = 0 [pid 5262] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5261] <... futex resumed>) = 0 [pid 5261] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5261] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5262] <... futex resumed>) = 1 [pid 5262] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5261] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5261] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5261] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5261] futex(0x7fd0d792b5fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5261] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d3410000 [pid 5261] mprotect(0x7fd0d3411000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5261] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5261] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d3430990, parent_tid=0x7fd0d3430990, exit_signal=0, stack=0x7fd0d3410000, stack_size=0x20300, tls=0x7fd0d34306c0}./strace-static-x86_64: Process 5263 attached [pid 5263] rseq(0x7fd0d3430fe0, 0x20, 0, 0x53053053 [pid 5261] <... clone3 resumed> => {parent_tid=[216]}, 88) = 216 [pid 5261] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5261] futex(0x7fd0d792b5f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5261] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5262] <... mmap resumed>) = 0x20000000 [pid 5262] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5263] <... rseq resumed>) = 0 [pid 5263] set_robust_list(0x7fd0d34309a0, 24) = 0 [pid 5263] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5262] <... futex resumed>) = 0 [pid 5262] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5263] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5264 attached [pid 5264] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5261] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5261] close(3) = -1 EBADF (Bad file descriptor) [pid 5261] close(4) = -1 EBADF (Bad file descriptor) [pid 5261] close(5) = -1 EBADF (Bad file descriptor) [pid 5261] close(6) = -1 EBADF (Bad file descriptor) [pid 5261] close(7) = -1 EBADF (Bad file descriptor) [pid 5261] close(8) = -1 EBADF (Bad file descriptor) [pid 5261] close(9) = -1 EBADF (Bad file descriptor) [pid 5261] close(10) = -1 EBADF (Bad file descriptor) [pid 5261] close(11) = -1 EBADF (Bad file descriptor) [pid 5261] close(12) = -1 EBADF (Bad file descriptor) [pid 5261] close(13) = -1 EBADF (Bad file descriptor) [pid 5261] close(14) = -1 EBADF (Bad file descriptor) [pid 5261] close(15) = -1 EBADF (Bad file descriptor) [pid 5261] close(16) = -1 EBADF (Bad file descriptor) [pid 5261] close(17) = -1 EBADF (Bad file descriptor) [pid 5261] close(18) = -1 EBADF (Bad file descriptor) [pid 5261] close(19) = -1 EBADF (Bad file descriptor) [pid 5261] close(20) = -1 EBADF (Bad file descriptor) [pid 5261] close(21) = -1 EBADF (Bad file descriptor) [pid 5261] close(22) = -1 EBADF (Bad file descriptor) [pid 5261] close(23) = -1 EBADF (Bad file descriptor) [pid 5261] close(24) = -1 EBADF (Bad file descriptor) [pid 5261] close(25) = -1 EBADF (Bad file descriptor) [pid 5261] close(26) = -1 EBADF (Bad file descriptor) [pid 5261] close(27) = -1 EBADF (Bad file descriptor) [pid 5261] close(28) = -1 EBADF (Bad file descriptor) [pid 5261] close(29) = -1 EBADF (Bad file descriptor) [pid 5261] exit_group(0 [pid 5263] <... clone resumed>) = ? [pid 5262] <... futex resumed>) = ? [pid 5261] <... exit_group resumed>) = ? [pid 5262] +++ exited with 0 +++ [pid 5263] +++ exited with 0 +++ [pid 5261] +++ exited with 0 +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=214, si_uid=0, si_status=0, si_utime=32 /* 0.32 s */, si_stime=119 /* 1.19 s */} --- [pid 5037] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5037] ioctl(3, LOOP_CLR_FD) = 0 [pid 5037] close(3) = 0 [pid 5037] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5265 attached , child_tidptr=0x555555cdf690) = 218 [pid 5265] set_robust_list(0x555555cdf6a0, 24) = 0 [pid 5265] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5265] setpgid(0, 0) = 0 [pid 5265] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5265] write(3, "1000", 4) = 4 [pid 5265] close(3) = 0 [pid 5265] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5265] rt_sigaction(SIGRT_1, {sa_handler=0x7fd0d78ba680, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0d78abd30}, NULL, 8) = 0 [pid 5265] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5265] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d7831000 [pid 5265] mprotect(0x7fd0d7832000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5265] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5265] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d7851990, parent_tid=0x7fd0d7851990, exit_signal=0, stack=0x7fd0d7831000, stack_size=0x20300, tls=0x7fd0d78516c0}./strace-static-x86_64: Process 5266 attached [pid 5266] rseq(0x7fd0d7851fe0, 0x20, 0, 0x53053053 [pid 5265] <... clone3 resumed> => {parent_tid=[219]}, 88) = 219 [pid 5266] <... rseq resumed>) = 0 [pid 5265] rt_sigprocmask(SIG_SETMASK, [], [pid 5266] set_robust_list(0x7fd0d78519a0, 24 [pid 5265] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5266] <... set_robust_list resumed>) = 0 [pid 5265] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5266] rt_sigprocmask(SIG_SETMASK, [], [pid 5265] <... futex resumed>) = 0 [pid 5266] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5265] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5266] memfd_create("syzkaller", 0) = 3 [pid 5266] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0cf431000 [ 179.648975][ T5266] syz-executor317[5266]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5264] +++ killed by SIGSEGV (core dumped) +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=217, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=50 /* 0.50 s */} --- [pid 5037] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5266] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 67108864) = 67108864 [pid 5266] munmap(0x7fd0cf431000, 67108864) = 0 [pid 5266] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5266] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5266] ioctl(4, LOOP_CLR_FD) = 0 [pid 5266] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5266] close(4) = 0 [pid 5266] close(3) = 0 [pid 5266] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5265] <... futex resumed>) = 0 [pid 5265] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5265] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5266] <... futex resumed>) = 1 [pid 5266] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5265] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5265] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5265] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5265] futex(0x7fd0d792b5fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5265] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d3410000 [pid 5265] mprotect(0x7fd0d3411000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5265] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5265] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d3430990, parent_tid=0x7fd0d3430990, exit_signal=0, stack=0x7fd0d3410000, stack_size=0x20300, tls=0x7fd0d34306c0}./strace-static-x86_64: Process 5267 attached => {parent_tid=[220]}, 88) = 220 [pid 5265] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5265] futex(0x7fd0d792b5f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5265] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5266] <... mmap resumed>) = 0x20000000 [pid 5266] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5266] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5267] rseq(0x7fd0d3430fe0, 0x20, 0, 0x53053053) = 0 [pid 5267] set_robust_list(0x7fd0d34309a0, 24) = 0 [pid 5267] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5267] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5268 attached [pid 5268] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5265] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5265] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5265] close(3) = -1 EBADF (Bad file descriptor) [pid 5265] close(4) = -1 EBADF (Bad file descriptor) [pid 5265] close(5) = -1 EBADF (Bad file descriptor) [pid 5265] close(6) = -1 EBADF (Bad file descriptor) [pid 5265] close(7) = -1 EBADF (Bad file descriptor) [pid 5265] close(8) = -1 EBADF (Bad file descriptor) [pid 5265] close(9) = -1 EBADF (Bad file descriptor) [pid 5265] close(10) = -1 EBADF (Bad file descriptor) [pid 5265] close(11) = -1 EBADF (Bad file descriptor) [pid 5265] close(12) = -1 EBADF (Bad file descriptor) [pid 5265] close(13) = -1 EBADF (Bad file descriptor) [pid 5265] close(14) = -1 EBADF (Bad file descriptor) [pid 5265] close(15) = -1 EBADF (Bad file descriptor) [pid 5265] close(16) = -1 EBADF (Bad file descriptor) [pid 5265] close(17) = -1 EBADF (Bad file descriptor) [pid 5265] close(18) = -1 EBADF (Bad file descriptor) [pid 5265] close(19) = -1 EBADF (Bad file descriptor) [pid 5265] close(20) = -1 EBADF (Bad file descriptor) [pid 5265] close(21) = -1 EBADF (Bad file descriptor) [pid 5265] close(22) = -1 EBADF (Bad file descriptor) [pid 5265] close(23) = -1 EBADF (Bad file descriptor) [pid 5265] close(24) = -1 EBADF (Bad file descriptor) [pid 5265] close(25) = -1 EBADF (Bad file descriptor) [pid 5265] close(26) = -1 EBADF (Bad file descriptor) [pid 5265] close(27) = -1 EBADF (Bad file descriptor) [pid 5265] close(28) = -1 EBADF (Bad file descriptor) [pid 5265] close(29) = -1 EBADF (Bad file descriptor) [pid 5265] exit_group(0) = ? [pid 5266] <... futex resumed>) = ? [pid 5266] +++ exited with 0 +++ [pid 5267] <... clone resumed>) = ? [pid 5267] +++ exited with 0 +++ [pid 5265] +++ exited with 0 +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=218, si_uid=0, si_status=0, si_utime=27 /* 0.27 s */, si_stime=113 /* 1.13 s */} --- [pid 5037] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5037] ioctl(3, LOOP_CLR_FD) = 0 [pid 5037] close(3) = 0 [pid 5037] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cdf690) = 222 ./strace-static-x86_64: Process 5269 attached [pid 5269] set_robust_list(0x555555cdf6a0, 24) = 0 [pid 5269] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5269] setpgid(0, 0) = 0 [pid 5269] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5269] write(3, "1000", 4) = 4 [pid 5269] close(3) = 0 [pid 5269] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5269] rt_sigaction(SIGRT_1, {sa_handler=0x7fd0d78ba680, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0d78abd30}, NULL, 8) = 0 [pid 5269] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5269] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d7831000 [pid 5269] mprotect(0x7fd0d7832000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5269] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5269] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d7851990, parent_tid=0x7fd0d7851990, exit_signal=0, stack=0x7fd0d7831000, stack_size=0x20300, tls=0x7fd0d78516c0} => {parent_tid=[223]}, 88) = 223 [pid 5269] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5269] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5269] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5270 attached [pid 5270] rseq(0x7fd0d7851fe0, 0x20, 0, 0x53053053) = 0 [pid 5270] set_robust_list(0x7fd0d78519a0, 24) = 0 [pid 5270] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5270] memfd_create("syzkaller", 0) = 3 [pid 5270] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0cf431000 [ 181.703456][ T5270] syz-executor317[5270]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5268] +++ killed by SIGSEGV (core dumped) +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=221, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=51 /* 0.51 s */} --- [pid 5270] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 67108864) = 67108864 [pid 5270] munmap(0x7fd0cf431000, 67108864) = 0 [pid 5270] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5270] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5270] ioctl(4, LOOP_CLR_FD) = 0 [pid 5270] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5270] close(4) = 0 [pid 5270] close(3) = 0 [pid 5270] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5269] <... futex resumed>) = 0 [pid 5269] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5269] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5270] <... futex resumed>) = 1 [pid 5270] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5269] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5269] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5269] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5269] futex(0x7fd0d792b5fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5269] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d3410000 [pid 5269] mprotect(0x7fd0d3411000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5269] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5269] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d3430990, parent_tid=0x7fd0d3430990, exit_signal=0, stack=0x7fd0d3410000, stack_size=0x20300, tls=0x7fd0d34306c0} => {parent_tid=[224]}, 88) = 224 [pid 5269] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5269] futex(0x7fd0d792b5f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5269] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5271 attached [pid 5271] rseq(0x7fd0d3430fe0, 0x20, 0, 0x53053053) = 0 [pid 5271] set_robust_list(0x7fd0d34309a0, 24) = 0 [pid 5271] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5271] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5272 attached [pid 5270] <... mmap resumed>) = 0x20000000 [pid 5272] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5270] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5270] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5269] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5269] close(3) = -1 EBADF (Bad file descriptor) [pid 5269] close(4) = -1 EBADF (Bad file descriptor) [pid 5269] close(5) = -1 EBADF (Bad file descriptor) [pid 5269] close(6) = -1 EBADF (Bad file descriptor) [pid 5269] close(7) = -1 EBADF (Bad file descriptor) [pid 5269] close(8) = -1 EBADF (Bad file descriptor) [pid 5269] close(9) = -1 EBADF (Bad file descriptor) [pid 5269] close(10) = -1 EBADF (Bad file descriptor) [pid 5269] close(11) = -1 EBADF (Bad file descriptor) [pid 5269] close(12) = -1 EBADF (Bad file descriptor) [pid 5269] close(13) = -1 EBADF (Bad file descriptor) [pid 5269] close(14) = -1 EBADF (Bad file descriptor) [pid 5269] close(15) = -1 EBADF (Bad file descriptor) [pid 5269] close(16) = -1 EBADF (Bad file descriptor) [pid 5269] close(17) = -1 EBADF (Bad file descriptor) [pid 5269] close(18) = -1 EBADF (Bad file descriptor) [pid 5269] close(19) = -1 EBADF (Bad file descriptor) [pid 5269] close(20) = -1 EBADF (Bad file descriptor) [pid 5269] close(21) = -1 EBADF (Bad file descriptor) [pid 5269] close(22) = -1 EBADF (Bad file descriptor) [pid 5269] close(23) = -1 EBADF (Bad file descriptor) [pid 5269] close(24) = -1 EBADF (Bad file descriptor) [pid 5269] close(25) = -1 EBADF (Bad file descriptor) [pid 5269] close(26) = -1 EBADF (Bad file descriptor) [pid 5269] close(27) = -1 EBADF (Bad file descriptor) [pid 5269] close(28) = -1 EBADF (Bad file descriptor) [pid 5269] close(29) = -1 EBADF (Bad file descriptor) [pid 5269] exit_group(0) = ? [pid 5271] <... clone resumed>) = ? [pid 5271] +++ exited with 0 +++ [pid 5270] <... futex resumed>) = ? [pid 5270] +++ exited with 0 +++ [pid 5269] +++ exited with 0 +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=222, si_uid=0, si_status=0, si_utime=29 /* 0.29 s */, si_stime=118 /* 1.18 s */} --- [pid 5037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5037] ioctl(3, LOOP_CLR_FD) = 0 [pid 5037] close(3) = 0 [pid 5037] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5273 attached , child_tidptr=0x555555cdf690) = 226 [pid 5273] set_robust_list(0x555555cdf6a0, 24) = 0 [pid 5273] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5273] setpgid(0, 0) = 0 [pid 5273] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5273] write(3, "1000", 4) = 4 [pid 5273] close(3) = 0 [pid 5273] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5273] rt_sigaction(SIGRT_1, {sa_handler=0x7fd0d78ba680, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0d78abd30}, NULL, 8) = 0 [pid 5273] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5273] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d7831000 [pid 5273] mprotect(0x7fd0d7832000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5273] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5273] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d7851990, parent_tid=0x7fd0d7851990, exit_signal=0, stack=0x7fd0d7831000, stack_size=0x20300, tls=0x7fd0d78516c0} => {parent_tid=[227]}, 88) = 227 [pid 5273] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5273] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 5274 attached [pid 5273] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5274] rseq(0x7fd0d7851fe0, 0x20, 0, 0x53053053) = 0 [pid 5274] set_robust_list(0x7fd0d78519a0, 24) = 0 [pid 5274] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5274] memfd_create("syzkaller", 0) = 3 [pid 5274] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0cf431000 [ 183.767558][ T5274] syz-executor317[5274]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5272] +++ killed by SIGSEGV (core dumped) +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=225, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=48 /* 0.48 s */} --- [pid 5274] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 67108864) = 67108864 [pid 5274] munmap(0x7fd0cf431000, 67108864) = 0 [pid 5274] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5274] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5274] ioctl(4, LOOP_CLR_FD) = 0 [pid 5274] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5274] close(4) = 0 [pid 5274] close(3) = 0 [pid 5274] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5274] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5273] <... futex resumed>) = 0 [pid 5273] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5273] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5274] <... futex resumed>) = 0 [pid 5274] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5273] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5273] futex(0x7fd0d792b5fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5273] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5274] <... mmap resumed>) = 0x20000000 [pid 5273] <... mmap resumed>) = 0x7fd0d3410000 [pid 5274] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5273] mprotect(0x7fd0d3411000, 131072, PROT_READ|PROT_WRITE [pid 5274] <... futex resumed>) = 0 [pid 5273] <... mprotect resumed>) = 0 [pid 5273] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5274] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5273] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d3430990, parent_tid=0x7fd0d3430990, exit_signal=0, stack=0x7fd0d3410000, stack_size=0x20300, tls=0x7fd0d34306c0}./strace-static-x86_64: Process 5275 attached => {parent_tid=[228]}, 88) = 228 [pid 5275] rseq(0x7fd0d3430fe0, 0x20, 0, 0x53053053) = 0 [pid 5273] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5275] set_robust_list(0x7fd0d34309a0, 24) = 0 [pid 5273] futex(0x7fd0d792b5f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5273] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5275] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5275] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5276 attached [pid 5276] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5273] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5273] close(3) = -1 EBADF (Bad file descriptor) [pid 5273] close(4) = -1 EBADF (Bad file descriptor) [pid 5273] close(5) = -1 EBADF (Bad file descriptor) [pid 5273] close(6) = -1 EBADF (Bad file descriptor) [pid 5273] close(7) = -1 EBADF (Bad file descriptor) [pid 5273] close(8) = -1 EBADF (Bad file descriptor) [pid 5273] close(9) = -1 EBADF (Bad file descriptor) [pid 5273] close(10) = -1 EBADF (Bad file descriptor) [pid 5273] close(11) = -1 EBADF (Bad file descriptor) [pid 5273] close(12) = -1 EBADF (Bad file descriptor) [pid 5273] close(13) = -1 EBADF (Bad file descriptor) [pid 5273] close(14) = -1 EBADF (Bad file descriptor) [pid 5273] close(15) = -1 EBADF (Bad file descriptor) [pid 5273] close(16) = -1 EBADF (Bad file descriptor) [pid 5273] close(17) = -1 EBADF (Bad file descriptor) [pid 5273] close(18) = -1 EBADF (Bad file descriptor) [pid 5273] close(19) = -1 EBADF (Bad file descriptor) [pid 5273] close(20) = -1 EBADF (Bad file descriptor) [pid 5273] close(21) = -1 EBADF (Bad file descriptor) [pid 5273] close(22) = -1 EBADF (Bad file descriptor) [pid 5273] close(23) = -1 EBADF (Bad file descriptor) [pid 5273] close(24) = -1 EBADF (Bad file descriptor) [pid 5273] close(25) = -1 EBADF (Bad file descriptor) [pid 5273] close(26) = -1 EBADF (Bad file descriptor) [pid 5273] close(27) = -1 EBADF (Bad file descriptor) [pid 5273] close(28) = -1 EBADF (Bad file descriptor) [pid 5273] close(29) = -1 EBADF (Bad file descriptor) [pid 5273] exit_group(0) = ? [pid 5275] <... clone resumed>) = ? [pid 5274] <... futex resumed>) = ? [pid 5275] +++ exited with 0 +++ [pid 5274] +++ exited with 0 +++ [pid 5273] +++ exited with 0 +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=226, si_uid=0, si_status=0, si_utime=31 /* 0.31 s */, si_stime=122 /* 1.22 s */} --- [pid 5037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5037] ioctl(3, LOOP_CLR_FD) = 0 [pid 5037] close(3) = 0 [pid 5037] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5277 attached [pid 5277] set_robust_list(0x555555cdf6a0, 24 [pid 5037] <... clone resumed>, child_tidptr=0x555555cdf690) = 230 [pid 5277] <... set_robust_list resumed>) = 0 [pid 5277] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5277] setpgid(0, 0) = 0 [pid 5277] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5277] write(3, "1000", 4) = 4 [pid 5277] close(3) = 0 [pid 5277] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5277] rt_sigaction(SIGRT_1, {sa_handler=0x7fd0d78ba680, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0d78abd30}, NULL, 8) = 0 [pid 5277] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5277] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d7831000 [pid 5277] mprotect(0x7fd0d7832000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5277] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5277] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d7851990, parent_tid=0x7fd0d7851990, exit_signal=0, stack=0x7fd0d7831000, stack_size=0x20300, tls=0x7fd0d78516c0}./strace-static-x86_64: Process 5278 attached => {parent_tid=[231]}, 88) = 231 [pid 5277] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5278] rseq(0x7fd0d7851fe0, 0x20, 0, 0x53053053) = 0 [pid 5278] set_robust_list(0x7fd0d78519a0, 24) = 0 [pid 5278] rt_sigprocmask(SIG_SETMASK, [], [pid 5277] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5278] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5277] <... futex resumed>) = 0 [pid 5278] memfd_create("syzkaller", 0 [pid 5277] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5278] <... memfd_create resumed>) = 3 [pid 5278] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0cf431000 [ 185.954316][ T5278] syz-executor317[5278]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5276] +++ killed by SIGSEGV (core dumped) +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=229, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=50 /* 0.50 s */} --- [pid 5278] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 67108864) = 67108864 [pid 5278] munmap(0x7fd0cf431000, 67108864) = 0 [pid 5278] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5278] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5278] ioctl(4, LOOP_CLR_FD) = 0 [pid 5278] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5278] close(4) = 0 [pid 5278] close(3) = 0 [pid 5278] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5277] <... futex resumed>) = 0 [pid 5277] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5277] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5278] <... futex resumed>) = 1 [pid 5278] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5277] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5277] futex(0x7fd0d792b5fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5277] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5278] <... mmap resumed>) = 0x20000000 [pid 5278] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5277] <... mmap resumed>) = 0x7fd0d3410000 [pid 5278] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5277] mprotect(0x7fd0d3411000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5277] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5277] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d3430990, parent_tid=0x7fd0d3430990, exit_signal=0, stack=0x7fd0d3410000, stack_size=0x20300, tls=0x7fd0d34306c0}./strace-static-x86_64: Process 5279 attached => {parent_tid=[232]}, 88) = 232 [pid 5279] rseq(0x7fd0d3430fe0, 0x20, 0, 0x53053053 [pid 5277] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5277] futex(0x7fd0d792b5f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5277] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5279] <... rseq resumed>) = 0 [pid 5279] set_robust_list(0x7fd0d34309a0, 24) = 0 [pid 5279] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5279] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5280 attached [pid 5280] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5277] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5277] close(3) = -1 EBADF (Bad file descriptor) [pid 5277] close(4) = -1 EBADF (Bad file descriptor) [pid 5277] close(5) = -1 EBADF (Bad file descriptor) [pid 5277] close(6) = -1 EBADF (Bad file descriptor) [pid 5277] close(7) = -1 EBADF (Bad file descriptor) [pid 5277] close(8) = -1 EBADF (Bad file descriptor) [pid 5277] close(9) = -1 EBADF (Bad file descriptor) [pid 5277] close(10) = -1 EBADF (Bad file descriptor) [pid 5277] close(11) = -1 EBADF (Bad file descriptor) [pid 5277] close(12) = -1 EBADF (Bad file descriptor) [pid 5277] close(13) = -1 EBADF (Bad file descriptor) [pid 5277] close(14) = -1 EBADF (Bad file descriptor) [pid 5277] close(15) = -1 EBADF (Bad file descriptor) [pid 5277] close(16) = -1 EBADF (Bad file descriptor) [pid 5277] close(17) = -1 EBADF (Bad file descriptor) [pid 5277] close(18) = -1 EBADF (Bad file descriptor) [pid 5277] close(19) = -1 EBADF (Bad file descriptor) [pid 5277] close(20) = -1 EBADF (Bad file descriptor) [pid 5277] close(21) = -1 EBADF (Bad file descriptor) [pid 5277] close(22) = -1 EBADF (Bad file descriptor) [pid 5277] close(23) = -1 EBADF (Bad file descriptor) [pid 5277] close(24) = -1 EBADF (Bad file descriptor) [pid 5277] close(25) = -1 EBADF (Bad file descriptor) [pid 5277] close(26) = -1 EBADF (Bad file descriptor) [pid 5277] close(27) = -1 EBADF (Bad file descriptor) [pid 5277] close(28) = -1 EBADF (Bad file descriptor) [pid 5277] close(29) = -1 EBADF (Bad file descriptor) [pid 5277] exit_group(0) = ? [pid 5278] <... futex resumed>) = ? [pid 5279] <... clone resumed>) = ? [pid 5278] +++ exited with 0 +++ [pid 5279] +++ exited with 0 +++ [pid 5277] +++ exited with 0 +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=230, si_uid=0, si_status=0, si_utime=31 /* 0.31 s */, si_stime=119 /* 1.19 s */} --- [pid 5037] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5037] ioctl(3, LOOP_CLR_FD) = 0 [pid 5037] close(3) = 0 [pid 5037] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cdf690) = 234 ./strace-static-x86_64: Process 5281 attached [pid 5281] set_robust_list(0x555555cdf6a0, 24) = 0 [pid 5281] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5281] setpgid(0, 0) = 0 [pid 5281] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5281] write(3, "1000", 4) = 4 [pid 5281] close(3) = 0 [pid 5281] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5281] rt_sigaction(SIGRT_1, {sa_handler=0x7fd0d78ba680, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0d78abd30}, NULL, 8) = 0 [pid 5281] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5281] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d7831000 [pid 5281] mprotect(0x7fd0d7832000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5281] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5281] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d7851990, parent_tid=0x7fd0d7851990, exit_signal=0, stack=0x7fd0d7831000, stack_size=0x20300, tls=0x7fd0d78516c0} => {parent_tid=[235]}, 88) = 235 [pid 5281] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5281] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5281] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5282 attached [pid 5282] rseq(0x7fd0d7851fe0, 0x20, 0, 0x53053053) = 0 [pid 5282] set_robust_list(0x7fd0d78519a0, 24) = 0 [pid 5282] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5282] memfd_create("syzkaller", 0) = 3 [pid 5282] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0cf431000 [ 188.017766][ T5282] syz-executor317[5282]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5280] +++ killed by SIGSEGV (core dumped) +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=233, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=57 /* 0.57 s */} --- [pid 5037] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5282] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 67108864) = 67108864 [pid 5282] munmap(0x7fd0cf431000, 67108864) = 0 [pid 5282] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5282] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5282] ioctl(4, LOOP_CLR_FD) = 0 [pid 5282] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5282] close(4) = 0 [pid 5282] close(3) = 0 [pid 5282] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5281] <... futex resumed>) = 0 [pid 5281] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5281] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5282] <... futex resumed>) = 1 [pid 5282] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5281] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5281] futex(0x7fd0d792b5fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5281] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d3410000 [pid 5281] mprotect(0x7fd0d3411000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5281] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5281] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d3430990, parent_tid=0x7fd0d3430990, exit_signal=0, stack=0x7fd0d3410000, stack_size=0x20300, tls=0x7fd0d34306c0} => {parent_tid=[236]}, 88) = 236 ./strace-static-x86_64: Process 5283 attached [pid 5281] rt_sigprocmask(SIG_SETMASK, [], [pid 5283] rseq(0x7fd0d3430fe0, 0x20, 0, 0x53053053 [pid 5281] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5281] futex(0x7fd0d792b5f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5281] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5283] <... rseq resumed>) = 0 [pid 5283] set_robust_list(0x7fd0d34309a0, 24) = 0 [pid 5283] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5282] <... mmap resumed>) = 0x20000000 [pid 5282] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5282] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5283] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5284 attached [pid 5284] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5281] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5281] close(3) = -1 EBADF (Bad file descriptor) [pid 5281] close(4) = -1 EBADF (Bad file descriptor) [pid 5281] close(5) = -1 EBADF (Bad file descriptor) [pid 5281] close(6) = -1 EBADF (Bad file descriptor) [pid 5281] close(7) = -1 EBADF (Bad file descriptor) [pid 5281] close(8) = -1 EBADF (Bad file descriptor) [pid 5281] close(9) = -1 EBADF (Bad file descriptor) [pid 5281] close(10) = -1 EBADF (Bad file descriptor) [pid 5281] close(11) = -1 EBADF (Bad file descriptor) [pid 5281] close(12) = -1 EBADF (Bad file descriptor) [pid 5281] close(13) = -1 EBADF (Bad file descriptor) [pid 5281] close(14) = -1 EBADF (Bad file descriptor) [pid 5281] close(15) = -1 EBADF (Bad file descriptor) [pid 5281] close(16) = -1 EBADF (Bad file descriptor) [pid 5281] close(17) = -1 EBADF (Bad file descriptor) [pid 5281] close(18) = -1 EBADF (Bad file descriptor) [pid 5281] close(19) = -1 EBADF (Bad file descriptor) [pid 5281] close(20) = -1 EBADF (Bad file descriptor) [pid 5281] close(21) = -1 EBADF (Bad file descriptor) [pid 5281] close(22) = -1 EBADF (Bad file descriptor) [pid 5281] close(23) = -1 EBADF (Bad file descriptor) [pid 5281] close(24) = -1 EBADF (Bad file descriptor) [pid 5281] close(25) = -1 EBADF (Bad file descriptor) [pid 5281] close(26) = -1 EBADF (Bad file descriptor) [pid 5281] close(27) = -1 EBADF (Bad file descriptor) [pid 5281] close(28) = -1 EBADF (Bad file descriptor) [pid 5281] close(29) = -1 EBADF (Bad file descriptor) [pid 5281] exit_group(0) = ? [pid 5282] <... futex resumed>) = ? [pid 5283] <... clone resumed>) = ? [pid 5282] +++ exited with 0 +++ [pid 5283] +++ exited with 0 +++ [pid 5281] +++ exited with 0 +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=234, si_uid=0, si_status=0, si_utime=30 /* 0.30 s */, si_stime=108 /* 1.08 s */} --- [pid 5037] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5037] ioctl(3, LOOP_CLR_FD) = 0 [pid 5037] close(3) = 0 [pid 5037] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cdf690) = 238 ./strace-static-x86_64: Process 5285 attached [pid 5285] set_robust_list(0x555555cdf6a0, 24) = 0 [pid 5285] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5285] setpgid(0, 0) = 0 [pid 5285] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5285] write(3, "1000", 4) = 4 [pid 5285] close(3) = 0 [pid 5285] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5285] rt_sigaction(SIGRT_1, {sa_handler=0x7fd0d78ba680, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0d78abd30}, NULL, 8) = 0 [pid 5285] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5285] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d7831000 [pid 5285] mprotect(0x7fd0d7832000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5285] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5285] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d7851990, parent_tid=0x7fd0d7851990, exit_signal=0, stack=0x7fd0d7831000, stack_size=0x20300, tls=0x7fd0d78516c0} => {parent_tid=[239]}, 88) = 239 ./strace-static-x86_64: Process 5286 attached [pid 5286] rseq(0x7fd0d7851fe0, 0x20, 0, 0x53053053) = 0 [pid 5286] set_robust_list(0x7fd0d78519a0, 24) = 0 [pid 5286] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5286] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5285] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5285] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5286] <... futex resumed>) = 0 [pid 5285] <... futex resumed>) = 1 [pid 5286] memfd_create("syzkaller", 0 [pid 5285] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5286] <... memfd_create resumed>) = 3 [pid 5286] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0cf431000 [ 190.128079][ T5286] syz-executor317[5286]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5284] +++ killed by SIGSEGV (core dumped) +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=237, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=47 /* 0.47 s */} --- [pid 5037] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5286] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 67108864) = 67108864 [pid 5286] munmap(0x7fd0cf431000, 67108864) = 0 [pid 5286] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5286] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5286] ioctl(4, LOOP_CLR_FD) = 0 [pid 5286] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5286] close(4) = 0 [pid 5286] close(3) = 0 [pid 5286] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5285] <... futex resumed>) = 0 [pid 5285] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5285] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5286] <... futex resumed>) = 1 [pid 5286] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5285] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5285] futex(0x7fd0d792b5fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5285] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d3410000 [pid 5285] mprotect(0x7fd0d3411000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5285] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5285] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d3430990, parent_tid=0x7fd0d3430990, exit_signal=0, stack=0x7fd0d3410000, stack_size=0x20300, tls=0x7fd0d34306c0} => {parent_tid=[240]}, 88) = 240 ./strace-static-x86_64: Process 5287 attached [pid 5285] rt_sigprocmask(SIG_SETMASK, [], [pid 5287] rseq(0x7fd0d3430fe0, 0x20, 0, 0x53053053 [pid 5285] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5285] futex(0x7fd0d792b5f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5287] <... rseq resumed>) = 0 [pid 5285] <... futex resumed>) = 0 [pid 5287] set_robust_list(0x7fd0d34309a0, 24 [pid 5285] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5287] <... set_robust_list resumed>) = 0 [pid 5287] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5287] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO [pid 5286] <... mmap resumed>) = 0x20000000 [pid 5286] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5286] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5288 attached [pid 5288] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5285] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5285] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5285] close(3) = -1 EBADF (Bad file descriptor) [pid 5285] close(4) = -1 EBADF (Bad file descriptor) [pid 5285] close(5) = -1 EBADF (Bad file descriptor) [pid 5285] close(6) = -1 EBADF (Bad file descriptor) [pid 5285] close(7) = -1 EBADF (Bad file descriptor) [pid 5285] close(8) = -1 EBADF (Bad file descriptor) [pid 5285] close(9) = -1 EBADF (Bad file descriptor) [pid 5285] close(10) = -1 EBADF (Bad file descriptor) [pid 5285] close(11) = -1 EBADF (Bad file descriptor) [pid 5285] close(12) = -1 EBADF (Bad file descriptor) [pid 5285] close(13) = -1 EBADF (Bad file descriptor) [pid 5285] close(14) = -1 EBADF (Bad file descriptor) [pid 5285] close(15) = -1 EBADF (Bad file descriptor) [pid 5285] close(16) = -1 EBADF (Bad file descriptor) [pid 5285] close(17) = -1 EBADF (Bad file descriptor) [pid 5285] close(18) = -1 EBADF (Bad file descriptor) [pid 5285] close(19) = -1 EBADF (Bad file descriptor) [pid 5285] close(20) = -1 EBADF (Bad file descriptor) [pid 5285] close(21) = -1 EBADF (Bad file descriptor) [pid 5285] close(22) = -1 EBADF (Bad file descriptor) [pid 5285] close(23) = -1 EBADF (Bad file descriptor) [pid 5285] close(24) = -1 EBADF (Bad file descriptor) [pid 5285] close(25) = -1 EBADF (Bad file descriptor) [pid 5285] close(26) = -1 EBADF (Bad file descriptor) [pid 5285] close(27) = -1 EBADF (Bad file descriptor) [pid 5285] close(28) = -1 EBADF (Bad file descriptor) [pid 5285] close(29) = -1 EBADF (Bad file descriptor) [pid 5285] exit_group(0) = ? [pid 5286] <... futex resumed>) = ? [pid 5287] <... clone resumed>) = ? [pid 5286] +++ exited with 0 +++ [pid 5287] +++ exited with 0 +++ [pid 5285] +++ exited with 0 +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=238, si_uid=0, si_status=0, si_utime=30 /* 0.30 s */, si_stime=120 /* 1.20 s */} --- [pid 5037] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5037] ioctl(3, LOOP_CLR_FD) = 0 [pid 5037] close(3) = 0 [pid 5037] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cdf690) = 242 ./strace-static-x86_64: Process 5289 attached [pid 5289] set_robust_list(0x555555cdf6a0, 24) = 0 [pid 5289] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5289] setpgid(0, 0) = 0 [pid 5289] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5289] write(3, "1000", 4) = 4 [pid 5289] close(3) = 0 [pid 5289] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5289] rt_sigaction(SIGRT_1, {sa_handler=0x7fd0d78ba680, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0d78abd30}, NULL, 8) = 0 [pid 5289] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5289] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d7831000 [pid 5289] mprotect(0x7fd0d7832000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5289] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5289] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d7851990, parent_tid=0x7fd0d7851990, exit_signal=0, stack=0x7fd0d7831000, stack_size=0x20300, tls=0x7fd0d78516c0} => {parent_tid=[243]}, 88) = 243 [pid 5289] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5289] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5289] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5290 attached [pid 5290] rseq(0x7fd0d7851fe0, 0x20, 0, 0x53053053) = 0 [pid 5290] set_robust_list(0x7fd0d78519a0, 24) = 0 [pid 5290] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5290] memfd_create("syzkaller", 0) = 3 [pid 5290] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0cf431000 [ 192.288572][ T5290] syz-executor317[5290]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5288] +++ killed by SIGSEGV (core dumped) +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=241, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=47 /* 0.47 s */} --- [pid 5037] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5290] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 67108864) = 67108864 [pid 5290] munmap(0x7fd0cf431000, 67108864) = 0 [pid 5290] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5290] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5290] ioctl(4, LOOP_CLR_FD) = 0 [pid 5290] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5290] close(4) = 0 [pid 5290] close(3) = 0 [pid 5290] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5289] <... futex resumed>) = 0 [pid 5289] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5289] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5290] <... futex resumed>) = 1 [pid 5290] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5289] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5289] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5289] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5289] futex(0x7fd0d792b5fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5289] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d3410000 [pid 5289] mprotect(0x7fd0d3411000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5289] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5290] <... mmap resumed>) = 0x20000000 [pid 5289] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d3430990, parent_tid=0x7fd0d3430990, exit_signal=0, stack=0x7fd0d3410000, stack_size=0x20300, tls=0x7fd0d34306c0}./strace-static-x86_64: Process 5291 attached => {parent_tid=[244]}, 88) = 244 [pid 5291] rseq(0x7fd0d3430fe0, 0x20, 0, 0x53053053 [pid 5290] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5289] rt_sigprocmask(SIG_SETMASK, [], [pid 5290] <... futex resumed>) = 0 [pid 5289] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5291] <... rseq resumed>) = 0 [pid 5290] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5289] futex(0x7fd0d792b5f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5291] set_robust_list(0x7fd0d34309a0, 24 [pid 5289] <... futex resumed>) = 0 [pid 5291] <... set_robust_list resumed>) = 0 [pid 5289] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5291] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5291] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5292 attached [pid 5292] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5289] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5289] close(3) = -1 EBADF (Bad file descriptor) [pid 5289] close(4) = -1 EBADF (Bad file descriptor) [pid 5289] close(5) = -1 EBADF (Bad file descriptor) [pid 5289] close(6) = -1 EBADF (Bad file descriptor) [pid 5289] close(7) = -1 EBADF (Bad file descriptor) [pid 5289] close(8) = -1 EBADF (Bad file descriptor) [pid 5289] close(9) = -1 EBADF (Bad file descriptor) [pid 5289] close(10) = -1 EBADF (Bad file descriptor) [pid 5289] close(11) = -1 EBADF (Bad file descriptor) [pid 5289] close(12) = -1 EBADF (Bad file descriptor) [pid 5289] close(13) = -1 EBADF (Bad file descriptor) [pid 5289] close(14) = -1 EBADF (Bad file descriptor) [pid 5289] close(15) = -1 EBADF (Bad file descriptor) [pid 5289] close(16) = -1 EBADF (Bad file descriptor) [pid 5289] close(17) = -1 EBADF (Bad file descriptor) [pid 5289] close(18) = -1 EBADF (Bad file descriptor) [pid 5289] close(19) = -1 EBADF (Bad file descriptor) [pid 5289] close(20) = -1 EBADF (Bad file descriptor) [pid 5289] close(21) = -1 EBADF (Bad file descriptor) [pid 5289] close(22) = -1 EBADF (Bad file descriptor) [pid 5289] close(23) = -1 EBADF (Bad file descriptor) [pid 5289] close(24) = -1 EBADF (Bad file descriptor) [pid 5289] close(25) = -1 EBADF (Bad file descriptor) [pid 5289] close(26) = -1 EBADF (Bad file descriptor) [pid 5289] close(27) = -1 EBADF (Bad file descriptor) [pid 5289] close(28) = -1 EBADF (Bad file descriptor) [pid 5289] close(29) = -1 EBADF (Bad file descriptor) [pid 5289] exit_group(0) = ? [pid 5290] <... futex resumed>) = ? [pid 5290] +++ exited with 0 +++ [pid 5291] <... clone resumed>) = ? [pid 5291] +++ exited with 0 +++ [pid 5289] +++ exited with 0 +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=242, si_uid=0, si_status=0, si_utime=26 /* 0.26 s */, si_stime=115 /* 1.15 s */} --- [pid 5037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5037] ioctl(3, LOOP_CLR_FD) = 0 [pid 5037] close(3) = 0 [pid 5037] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cdf690) = 246 ./strace-static-x86_64: Process 5293 attached [pid 5293] set_robust_list(0x555555cdf6a0, 24) = 0 [pid 5293] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5293] setpgid(0, 0) = 0 [pid 5293] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5293] write(3, "1000", 4) = 4 [pid 5293] close(3) = 0 [pid 5293] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5293] rt_sigaction(SIGRT_1, {sa_handler=0x7fd0d78ba680, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0d78abd30}, NULL, 8) = 0 [pid 5293] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5293] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d7831000 [pid 5293] mprotect(0x7fd0d7832000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5293] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5293] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d7851990, parent_tid=0x7fd0d7851990, exit_signal=0, stack=0x7fd0d7831000, stack_size=0x20300, tls=0x7fd0d78516c0}./strace-static-x86_64: Process 5294 attached => {parent_tid=[247]}, 88) = 247 [pid 5294] rseq(0x7fd0d7851fe0, 0x20, 0, 0x53053053) = 0 [pid 5293] rt_sigprocmask(SIG_SETMASK, [], [pid 5294] set_robust_list(0x7fd0d78519a0, 24 [pid 5293] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5294] <... set_robust_list resumed>) = 0 [pid 5293] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5294] rt_sigprocmask(SIG_SETMASK, [], [pid 5293] <... futex resumed>) = 0 [pid 5294] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5294] memfd_create("syzkaller", 0 [pid 5293] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5294] <... memfd_create resumed>) = 3 [pid 5294] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0cf431000 [ 194.305571][ T5294] syz-executor317[5294]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5294] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 67108864 [pid 5292] +++ killed by SIGSEGV (core dumped) +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=245, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=48 /* 0.48 s */} --- [pid 5037] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5294] <... write resumed>) = 67108864 [pid 5294] munmap(0x7fd0cf431000, 67108864) = 0 [pid 5294] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5294] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5294] ioctl(4, LOOP_CLR_FD) = 0 [pid 5294] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5294] close(4) = 0 [pid 5294] close(3) = 0 [pid 5294] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5293] <... futex resumed>) = 0 [pid 5293] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5294] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5293] <... futex resumed>) = 0 [pid 5293] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5293] futex(0x7fd0d792b5fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5293] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5294] <... mmap resumed>) = 0x20000000 [pid 5293] <... mmap resumed>) = 0x7fd0d3410000 [pid 5293] mprotect(0x7fd0d3411000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5294] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5293] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5293] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d3430990, parent_tid=0x7fd0d3430990, exit_signal=0, stack=0x7fd0d3410000, stack_size=0x20300, tls=0x7fd0d34306c0} [pid 5294] <... futex resumed>) = 0 [pid 5294] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5295 attached [pid 5295] rseq(0x7fd0d3430fe0, 0x20, 0, 0x53053053 [pid 5293] <... clone3 resumed> => {parent_tid=[248]}, 88) = 248 [pid 5295] <... rseq resumed>) = 0 [pid 5295] set_robust_list(0x7fd0d34309a0, 24 [pid 5293] rt_sigprocmask(SIG_SETMASK, [], [pid 5295] <... set_robust_list resumed>) = 0 [pid 5293] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5295] rt_sigprocmask(SIG_SETMASK, [], [pid 5293] futex(0x7fd0d792b5f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5295] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5293] <... futex resumed>) = 0 [pid 5293] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5295] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5296 attached [pid 5296] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5293] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5293] close(3) = -1 EBADF (Bad file descriptor) [pid 5293] close(4) = -1 EBADF (Bad file descriptor) [pid 5293] close(5) = -1 EBADF (Bad file descriptor) [pid 5293] close(6) = -1 EBADF (Bad file descriptor) [pid 5293] close(7) = -1 EBADF (Bad file descriptor) [pid 5293] close(8) = -1 EBADF (Bad file descriptor) [pid 5293] close(9) = -1 EBADF (Bad file descriptor) [pid 5293] close(10) = -1 EBADF (Bad file descriptor) [pid 5293] close(11) = -1 EBADF (Bad file descriptor) [pid 5293] close(12) = -1 EBADF (Bad file descriptor) [pid 5293] close(13) = -1 EBADF (Bad file descriptor) [pid 5293] close(14) = -1 EBADF (Bad file descriptor) [pid 5293] close(15) = -1 EBADF (Bad file descriptor) [pid 5293] close(16) = -1 EBADF (Bad file descriptor) [pid 5293] close(17) = -1 EBADF (Bad file descriptor) [pid 5293] close(18) = -1 EBADF (Bad file descriptor) [pid 5293] close(19) = -1 EBADF (Bad file descriptor) [pid 5293] close(20) = -1 EBADF (Bad file descriptor) [pid 5293] close(21) = -1 EBADF (Bad file descriptor) [pid 5293] close(22) = -1 EBADF (Bad file descriptor) [pid 5293] close(23) = -1 EBADF (Bad file descriptor) [pid 5293] close(24) = -1 EBADF (Bad file descriptor) [pid 5293] close(25) = -1 EBADF (Bad file descriptor) [pid 5293] close(26) = -1 EBADF (Bad file descriptor) [pid 5293] close(27) = -1 EBADF (Bad file descriptor) [pid 5293] close(28) = -1 EBADF (Bad file descriptor) [pid 5293] close(29) = -1 EBADF (Bad file descriptor) [pid 5293] exit_group(0) = ? [pid 5294] <... futex resumed>) = ? [pid 5294] +++ exited with 0 +++ [pid 5295] <... clone resumed>) = ? [pid 5295] +++ exited with 0 +++ [pid 5293] +++ exited with 0 +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=246, si_uid=0, si_status=0, si_utime=34 /* 0.34 s */, si_stime=117 /* 1.17 s */} --- [pid 5037] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5037] ioctl(3, LOOP_CLR_FD) = 0 [pid 5037] close(3) = 0 [pid 5037] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cdf690) = 250 ./strace-static-x86_64: Process 5297 attached [pid 5297] set_robust_list(0x555555cdf6a0, 24) = 0 [pid 5297] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5297] setpgid(0, 0) = 0 [pid 5297] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5297] write(3, "1000", 4) = 4 [pid 5297] close(3) = 0 [pid 5297] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5297] rt_sigaction(SIGRT_1, {sa_handler=0x7fd0d78ba680, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0d78abd30}, NULL, 8) = 0 [pid 5297] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5297] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d7831000 [pid 5297] mprotect(0x7fd0d7832000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5297] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5297] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d7851990, parent_tid=0x7fd0d7851990, exit_signal=0, stack=0x7fd0d7831000, stack_size=0x20300, tls=0x7fd0d78516c0}./strace-static-x86_64: Process 5298 attached => {parent_tid=[251]}, 88) = 251 [pid 5298] rseq(0x7fd0d7851fe0, 0x20, 0, 0x53053053) = 0 [pid 5297] rt_sigprocmask(SIG_SETMASK, [], [pid 5298] set_robust_list(0x7fd0d78519a0, 24 [pid 5297] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5298] <... set_robust_list resumed>) = 0 [pid 5297] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5298] rt_sigprocmask(SIG_SETMASK, [], [pid 5297] <... futex resumed>) = 0 [pid 5298] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5297] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5298] memfd_create("syzkaller", 0) = 3 [pid 5298] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0cf431000 [ 196.295661][ T5298] syz-executor317[5298]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5296] +++ killed by SIGSEGV (core dumped) +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=249, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=45 /* 0.45 s */} --- [pid 5037] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5298] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 67108864) = 67108864 [pid 5298] munmap(0x7fd0cf431000, 67108864) = 0 [pid 5298] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5298] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5298] ioctl(4, LOOP_CLR_FD) = 0 [pid 5298] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5298] close(4) = 0 [pid 5298] close(3) = 0 [pid 5298] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5298] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5297] <... futex resumed>) = 0 [pid 5297] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5297] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5298] <... futex resumed>) = 0 [pid 5298] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5297] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5297] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5297] futex(0x7fd0d792b5fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5297] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5298] <... mmap resumed>) = 0x20000000 [pid 5297] <... mmap resumed>) = 0x7fd0d3410000 [pid 5297] mprotect(0x7fd0d3411000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5297] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5298] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5298] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5297] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5297] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d3430990, parent_tid=0x7fd0d3430990, exit_signal=0, stack=0x7fd0d3410000, stack_size=0x20300, tls=0x7fd0d34306c0}./strace-static-x86_64: Process 5299 attached => {parent_tid=[252]}, 88) = 252 [pid 5299] rseq(0x7fd0d3430fe0, 0x20, 0, 0x53053053 [pid 5297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5297] futex(0x7fd0d792b5f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5297] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5299] <... rseq resumed>) = 0 [pid 5299] set_robust_list(0x7fd0d34309a0, 24) = 0 [pid 5299] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5299] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5300 attached [pid 5300] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5297] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5297] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5297] close(3) = -1 EBADF (Bad file descriptor) [pid 5297] close(4) = -1 EBADF (Bad file descriptor) [pid 5297] close(5) = -1 EBADF (Bad file descriptor) [pid 5297] close(6) = -1 EBADF (Bad file descriptor) [pid 5297] close(7) = -1 EBADF (Bad file descriptor) [pid 5297] close(8) = -1 EBADF (Bad file descriptor) [pid 5297] close(9) = -1 EBADF (Bad file descriptor) [pid 5297] close(10) = -1 EBADF (Bad file descriptor) [pid 5297] close(11) = -1 EBADF (Bad file descriptor) [pid 5297] close(12) = -1 EBADF (Bad file descriptor) [pid 5297] close(13) = -1 EBADF (Bad file descriptor) [pid 5297] close(14) = -1 EBADF (Bad file descriptor) [pid 5297] close(15) = -1 EBADF (Bad file descriptor) [pid 5297] close(16) = -1 EBADF (Bad file descriptor) [pid 5297] close(17) = -1 EBADF (Bad file descriptor) [pid 5297] close(18) = -1 EBADF (Bad file descriptor) [pid 5297] close(19) = -1 EBADF (Bad file descriptor) [pid 5297] close(20) = -1 EBADF (Bad file descriptor) [pid 5297] close(21) = -1 EBADF (Bad file descriptor) [pid 5297] close(22) = -1 EBADF (Bad file descriptor) [pid 5297] close(23) = -1 EBADF (Bad file descriptor) [pid 5297] close(24) = -1 EBADF (Bad file descriptor) [pid 5297] close(25) = -1 EBADF (Bad file descriptor) [pid 5297] close(26) = -1 EBADF (Bad file descriptor) [pid 5297] close(27) = -1 EBADF (Bad file descriptor) [pid 5297] close(28) = -1 EBADF (Bad file descriptor) [pid 5297] close(29) = -1 EBADF (Bad file descriptor) [pid 5297] exit_group(0 [pid 5298] <... futex resumed>) = ? [pid 5299] <... clone resumed>) = ? [pid 5297] <... exit_group resumed>) = ? [pid 5299] +++ exited with 0 +++ [pid 5298] +++ exited with 0 +++ [pid 5297] +++ exited with 0 +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=250, si_uid=0, si_status=0, si_utime=33 /* 0.33 s */, si_stime=110 /* 1.10 s */} --- [pid 5037] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5037] ioctl(3, LOOP_CLR_FD) = 0 [pid 5037] close(3) = 0 [pid 5037] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5301 attached , child_tidptr=0x555555cdf690) = 254 [pid 5301] set_robust_list(0x555555cdf6a0, 24) = 0 [pid 5301] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5301] setpgid(0, 0) = 0 [pid 5301] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5301] write(3, "1000", 4) = 4 [pid 5301] close(3) = 0 [pid 5301] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5301] rt_sigaction(SIGRT_1, {sa_handler=0x7fd0d78ba680, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0d78abd30}, NULL, 8) = 0 [pid 5301] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5301] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d7831000 [pid 5301] mprotect(0x7fd0d7832000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5301] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5301] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d7851990, parent_tid=0x7fd0d7851990, exit_signal=0, stack=0x7fd0d7831000, stack_size=0x20300, tls=0x7fd0d78516c0} => {parent_tid=[255]}, 88) = 255 [pid 5301] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5301] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5301] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5302 attached [pid 5302] rseq(0x7fd0d7851fe0, 0x20, 0, 0x53053053) = 0 [pid 5302] set_robust_list(0x7fd0d78519a0, 24) = 0 [pid 5302] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5302] memfd_create("syzkaller", 0) = 3 [pid 5302] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0cf431000 [ 198.390517][ T5302] syz-executor317[5302]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5300] +++ killed by SIGSEGV (core dumped) +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=253, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=49 /* 0.49 s */} --- [pid 5037] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5302] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 67108864) = 67108864 [pid 5302] munmap(0x7fd0cf431000, 67108864) = 0 [pid 5302] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5302] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5302] ioctl(4, LOOP_CLR_FD) = 0 [pid 5302] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5302] close(4) = 0 [pid 5302] close(3) = 0 [pid 5302] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5302] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5301] <... futex resumed>) = 0 [pid 5301] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5301] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5302] <... futex resumed>) = 0 [pid 5302] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5301] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5301] futex(0x7fd0d792b5fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5301] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d3410000 [pid 5301] mprotect(0x7fd0d3411000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5301] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5302] <... mmap resumed>) = 0x20000000 [pid 5302] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5301] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5302] <... futex resumed>) = 0 [pid 5301] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d3430990, parent_tid=0x7fd0d3430990, exit_signal=0, stack=0x7fd0d3410000, stack_size=0x20300, tls=0x7fd0d34306c0} [pid 5302] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5303 attached [pid 5301] <... clone3 resumed> => {parent_tid=[256]}, 88) = 256 [pid 5301] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5301] futex(0x7fd0d792b5f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5301] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5303] rseq(0x7fd0d3430fe0, 0x20, 0, 0x53053053) = 0 [pid 5303] set_robust_list(0x7fd0d34309a0, 24) = 0 [pid 5303] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5303] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5304 attached [pid 5304] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5301] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5301] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5301] close(3) = -1 EBADF (Bad file descriptor) [pid 5301] close(4) = -1 EBADF (Bad file descriptor) [pid 5301] close(5) = -1 EBADF (Bad file descriptor) [pid 5301] close(6) = -1 EBADF (Bad file descriptor) [pid 5301] close(7) = -1 EBADF (Bad file descriptor) [pid 5301] close(8) = -1 EBADF (Bad file descriptor) [pid 5301] close(9) = -1 EBADF (Bad file descriptor) [pid 5301] close(10) = -1 EBADF (Bad file descriptor) [pid 5301] close(11) = -1 EBADF (Bad file descriptor) [pid 5301] close(12) = -1 EBADF (Bad file descriptor) [pid 5301] close(13) = -1 EBADF (Bad file descriptor) [pid 5301] close(14) = -1 EBADF (Bad file descriptor) [pid 5301] close(15) = -1 EBADF (Bad file descriptor) [pid 5301] close(16) = -1 EBADF (Bad file descriptor) [pid 5301] close(17) = -1 EBADF (Bad file descriptor) [pid 5301] close(18) = -1 EBADF (Bad file descriptor) [pid 5301] close(19) = -1 EBADF (Bad file descriptor) [pid 5301] close(20) = -1 EBADF (Bad file descriptor) [pid 5301] close(21) = -1 EBADF (Bad file descriptor) [pid 5301] close(22) = -1 EBADF (Bad file descriptor) [pid 5301] close(23) = -1 EBADF (Bad file descriptor) [pid 5301] close(24) = -1 EBADF (Bad file descriptor) [pid 5301] close(25) = -1 EBADF (Bad file descriptor) [pid 5301] close(26) = -1 EBADF (Bad file descriptor) [pid 5301] close(27) = -1 EBADF (Bad file descriptor) [pid 5301] close(28) = -1 EBADF (Bad file descriptor) [pid 5301] close(29) = -1 EBADF (Bad file descriptor) [pid 5301] exit_group(0) = ? [pid 5303] <... clone resumed>) = ? [pid 5303] +++ exited with 0 +++ [pid 5302] <... futex resumed>) = ? [pid 5302] +++ exited with 0 +++ [pid 5301] +++ exited with 0 +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=254, si_uid=0, si_status=0, si_utime=30 /* 0.30 s */, si_stime=123 /* 1.23 s */} --- [pid 5037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5037] ioctl(3, LOOP_CLR_FD) = 0 [pid 5037] close(3) = 0 [pid 5037] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cdf690) = 258 ./strace-static-x86_64: Process 5305 attached [pid 5305] set_robust_list(0x555555cdf6a0, 24) = 0 [pid 5305] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5305] setpgid(0, 0) = 0 [pid 5305] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5305] write(3, "1000", 4) = 4 [pid 5305] close(3) = 0 [pid 5305] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5305] rt_sigaction(SIGRT_1, {sa_handler=0x7fd0d78ba680, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0d78abd30}, NULL, 8) = 0 [pid 5305] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5305] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d7831000 [pid 5305] mprotect(0x7fd0d7832000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5305] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5305] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d7851990, parent_tid=0x7fd0d7851990, exit_signal=0, stack=0x7fd0d7831000, stack_size=0x20300, tls=0x7fd0d78516c0}./strace-static-x86_64: Process 5306 attached [pid 5306] rseq(0x7fd0d7851fe0, 0x20, 0, 0x53053053) = 0 [pid 5306] set_robust_list(0x7fd0d78519a0, 24) = 0 [pid 5306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5306] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5305] <... clone3 resumed> => {parent_tid=[259]}, 88) = 259 [pid 5305] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5305] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5306] <... futex resumed>) = 0 [pid 5305] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5306] memfd_create("syzkaller", 0) = 3 [pid 5306] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0cf431000 [ 200.525297][ T5306] syz-executor317[5306]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5304] +++ killed by SIGSEGV (core dumped) +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=257, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=53 /* 0.53 s */} --- [pid 5037] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5306] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 67108864) = 67108864 [pid 5306] munmap(0x7fd0cf431000, 67108864) = 0 [pid 5306] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5306] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5306] ioctl(4, LOOP_CLR_FD) = 0 [pid 5306] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5306] close(4) = 0 [pid 5306] close(3) = 0 [pid 5306] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5305] <... futex resumed>) = 0 [pid 5305] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5306] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5305] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5305] futex(0x7fd0d792b5fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5305] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5306] <... mmap resumed>) = 0x20000000 [pid 5306] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5306] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5305] <... mmap resumed>) = 0x7fd0d3410000 [pid 5305] mprotect(0x7fd0d3411000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5305] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5305] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d3430990, parent_tid=0x7fd0d3430990, exit_signal=0, stack=0x7fd0d3410000, stack_size=0x20300, tls=0x7fd0d34306c0} => {parent_tid=[260]}, 88) = 260 [pid 5305] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 5307 attached [pid 5307] rseq(0x7fd0d3430fe0, 0x20, 0, 0x53053053) = 0 [pid 5305] futex(0x7fd0d792b5f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5305] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5307] set_robust_list(0x7fd0d34309a0, 24) = 0 [pid 5307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5307] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5308 attached [pid 5308] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5305] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5305] close(3) = -1 EBADF (Bad file descriptor) [pid 5305] close(4) = -1 EBADF (Bad file descriptor) [pid 5305] close(5) = -1 EBADF (Bad file descriptor) [pid 5305] close(6) = -1 EBADF (Bad file descriptor) [pid 5305] close(7) = -1 EBADF (Bad file descriptor) [pid 5305] close(8) = -1 EBADF (Bad file descriptor) [pid 5305] close(9) = -1 EBADF (Bad file descriptor) [pid 5305] close(10) = -1 EBADF (Bad file descriptor) [pid 5305] close(11) = -1 EBADF (Bad file descriptor) [pid 5305] close(12) = -1 EBADF (Bad file descriptor) [pid 5305] close(13) = -1 EBADF (Bad file descriptor) [pid 5305] close(14) = -1 EBADF (Bad file descriptor) [pid 5305] close(15) = -1 EBADF (Bad file descriptor) [pid 5305] close(16) = -1 EBADF (Bad file descriptor) [pid 5305] close(17) = -1 EBADF (Bad file descriptor) [pid 5305] close(18) = -1 EBADF (Bad file descriptor) [pid 5305] close(19) = -1 EBADF (Bad file descriptor) [pid 5305] close(20) = -1 EBADF (Bad file descriptor) [pid 5305] close(21) = -1 EBADF (Bad file descriptor) [pid 5305] close(22) = -1 EBADF (Bad file descriptor) [pid 5305] close(23) = -1 EBADF (Bad file descriptor) [pid 5305] close(24) = -1 EBADF (Bad file descriptor) [pid 5305] close(25) = -1 EBADF (Bad file descriptor) [pid 5305] close(26) = -1 EBADF (Bad file descriptor) [pid 5305] close(27) = -1 EBADF (Bad file descriptor) [pid 5305] close(28) = -1 EBADF (Bad file descriptor) [pid 5305] close(29) = -1 EBADF (Bad file descriptor) [pid 5305] exit_group(0) = ? [pid 5306] <... futex resumed>) = ? [pid 5306] +++ exited with 0 +++ [pid 5307] <... clone resumed>) = ? [pid 5307] +++ exited with 0 +++ [pid 5305] +++ exited with 0 +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=258, si_uid=0, si_status=0, si_utime=27 /* 0.27 s */, si_stime=116 /* 1.16 s */} --- [pid 5037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5037] ioctl(3, LOOP_CLR_FD) = 0 [pid 5037] close(3) = 0 [pid 5037] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5309 attached [pid 5309] set_robust_list(0x555555cdf6a0, 24 [pid 5037] <... clone resumed>, child_tidptr=0x555555cdf690) = 262 [pid 5309] <... set_robust_list resumed>) = 0 [pid 5309] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5309] setpgid(0, 0) = 0 [pid 5309] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5309] write(3, "1000", 4) = 4 [pid 5309] close(3) = 0 [pid 5309] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5309] rt_sigaction(SIGRT_1, {sa_handler=0x7fd0d78ba680, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0d78abd30}, NULL, 8) = 0 [pid 5309] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5309] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d7831000 [pid 5309] mprotect(0x7fd0d7832000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5309] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5309] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d7851990, parent_tid=0x7fd0d7851990, exit_signal=0, stack=0x7fd0d7831000, stack_size=0x20300, tls=0x7fd0d78516c0} => {parent_tid=[263]}, 88) = 263 [pid 5309] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5309] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5309] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5310 attached [pid 5310] rseq(0x7fd0d7851fe0, 0x20, 0, 0x53053053) = 0 [pid 5310] set_robust_list(0x7fd0d78519a0, 24) = 0 [pid 5310] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5310] memfd_create("syzkaller", 0) = 3 [pid 5310] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0cf431000 [ 202.587692][ T5310] syz-executor317[5310]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5308] +++ killed by SIGSEGV (core dumped) +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=261, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=51 /* 0.51 s */} --- [pid 5310] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 67108864) = 67108864 [pid 5310] munmap(0x7fd0cf431000, 67108864) = 0 [pid 5310] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5310] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5310] ioctl(4, LOOP_CLR_FD) = 0 [pid 5310] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5310] close(4) = 0 [pid 5310] close(3) = 0 [pid 5310] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5309] <... futex resumed>) = 0 [pid 5309] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5309] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5310] <... futex resumed>) = 1 [pid 5310] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5309] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5309] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5309] futex(0x7fd0d792b5fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5309] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d3410000 [pid 5309] mprotect(0x7fd0d3411000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5309] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5309] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d3430990, parent_tid=0x7fd0d3430990, exit_signal=0, stack=0x7fd0d3410000, stack_size=0x20300, tls=0x7fd0d34306c0}./strace-static-x86_64: Process 5311 attached => {parent_tid=[264]}, 88) = 264 [pid 5309] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5309] futex(0x7fd0d792b5f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5309] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5311] rseq(0x7fd0d3430fe0, 0x20, 0, 0x53053053) = 0 [pid 5311] set_robust_list(0x7fd0d34309a0, 24) = 0 [pid 5311] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5311] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO [pid 5310] <... mmap resumed>) = 0x20000000 ./strace-static-x86_64: Process 5312 attached [pid 5310] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5310] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5312] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5309] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5309] close(3) = -1 EBADF (Bad file descriptor) [pid 5309] close(4) = -1 EBADF (Bad file descriptor) [pid 5309] close(5) = -1 EBADF (Bad file descriptor) [pid 5309] close(6) = -1 EBADF (Bad file descriptor) [pid 5309] close(7) = -1 EBADF (Bad file descriptor) [pid 5309] close(8) = -1 EBADF (Bad file descriptor) [pid 5309] close(9) = -1 EBADF (Bad file descriptor) [pid 5309] close(10) = -1 EBADF (Bad file descriptor) [pid 5309] close(11) = -1 EBADF (Bad file descriptor) [pid 5309] close(12) = -1 EBADF (Bad file descriptor) [pid 5309] close(13) = -1 EBADF (Bad file descriptor) [pid 5309] close(14) = -1 EBADF (Bad file descriptor) [pid 5309] close(15) = -1 EBADF (Bad file descriptor) [pid 5309] close(16) = -1 EBADF (Bad file descriptor) [pid 5309] close(17) = -1 EBADF (Bad file descriptor) [pid 5309] close(18) = -1 EBADF (Bad file descriptor) [pid 5309] close(19) = -1 EBADF (Bad file descriptor) [pid 5309] close(20) = -1 EBADF (Bad file descriptor) [pid 5309] close(21) = -1 EBADF (Bad file descriptor) [pid 5309] close(22) = -1 EBADF (Bad file descriptor) [pid 5309] close(23) = -1 EBADF (Bad file descriptor) [pid 5309] close(24) = -1 EBADF (Bad file descriptor) [pid 5309] close(25) = -1 EBADF (Bad file descriptor) [pid 5309] close(26) = -1 EBADF (Bad file descriptor) [pid 5309] close(27) = -1 EBADF (Bad file descriptor) [pid 5309] close(28) = -1 EBADF (Bad file descriptor) [pid 5309] close(29) = -1 EBADF (Bad file descriptor) [pid 5309] exit_group(0) = ? [pid 5311] <... clone resumed>) = ? [pid 5310] <... futex resumed>) = ? [pid 5310] +++ exited with 0 +++ [pid 5311] +++ exited with 0 +++ [pid 5309] +++ exited with 0 +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=262, si_uid=0, si_status=0, si_utime=31 /* 0.31 s */, si_stime=116 /* 1.16 s */} --- [pid 5037] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5037] ioctl(3, LOOP_CLR_FD) = 0 [pid 5037] close(3) = 0 [pid 5037] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cdf690) = 266 ./strace-static-x86_64: Process 5313 attached [pid 5313] set_robust_list(0x555555cdf6a0, 24) = 0 [pid 5313] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5313] setpgid(0, 0) = 0 [pid 5313] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5313] write(3, "1000", 4) = 4 [pid 5313] close(3) = 0 [pid 5313] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5313] rt_sigaction(SIGRT_1, {sa_handler=0x7fd0d78ba680, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0d78abd30}, NULL, 8) = 0 [pid 5313] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5313] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d7831000 [pid 5313] mprotect(0x7fd0d7832000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5313] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5313] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d7851990, parent_tid=0x7fd0d7851990, exit_signal=0, stack=0x7fd0d7831000, stack_size=0x20300, tls=0x7fd0d78516c0} => {parent_tid=[267]}, 88) = 267 [pid 5313] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5313] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5313] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5314 attached [pid 5314] rseq(0x7fd0d7851fe0, 0x20, 0, 0x53053053) = 0 [pid 5314] set_robust_list(0x7fd0d78519a0, 24) = 0 [pid 5314] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5314] memfd_create("syzkaller", 0) = 3 [pid 5314] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0cf431000 [ 204.658273][ T5314] syz-executor317[5314]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5312] +++ killed by SIGSEGV (core dumped) +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=265, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=59 /* 0.59 s */} --- [pid 5037] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5314] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 67108864) = 67108864 [pid 5314] munmap(0x7fd0cf431000, 67108864) = 0 [pid 5314] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5314] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5314] ioctl(4, LOOP_CLR_FD) = 0 [pid 5314] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5314] close(4) = 0 [pid 5314] close(3) = 0 [pid 5314] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5313] <... futex resumed>) = 0 [pid 5313] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5313] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5314] <... futex resumed>) = 1 [pid 5314] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5313] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5313] futex(0x7fd0d792b5fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5313] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d3410000 [pid 5313] mprotect(0x7fd0d3411000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5313] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5313] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d3430990, parent_tid=0x7fd0d3430990, exit_signal=0, stack=0x7fd0d3410000, stack_size=0x20300, tls=0x7fd0d34306c0}./strace-static-x86_64: Process 5315 attached [pid 5315] rseq(0x7fd0d3430fe0, 0x20, 0, 0x53053053 [pid 5313] <... clone3 resumed> => {parent_tid=[268]}, 88) = 268 [pid 5315] <... rseq resumed>) = 0 [pid 5313] rt_sigprocmask(SIG_SETMASK, [], [pid 5315] set_robust_list(0x7fd0d34309a0, 24 [pid 5313] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5315] <... set_robust_list resumed>) = 0 [pid 5313] futex(0x7fd0d792b5f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5315] rt_sigprocmask(SIG_SETMASK, [], [pid 5313] <... futex resumed>) = 0 [pid 5313] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5315] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5315] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO [pid 5314] <... mmap resumed>) = 0x20000000 [pid 5314] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5314] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5316 attached [pid 5316] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5313] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5313] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5313] close(3) = -1 EBADF (Bad file descriptor) [pid 5313] close(4) = -1 EBADF (Bad file descriptor) [pid 5313] close(5) = -1 EBADF (Bad file descriptor) [pid 5313] close(6) = -1 EBADF (Bad file descriptor) [pid 5313] close(7) = -1 EBADF (Bad file descriptor) [pid 5313] close(8) = -1 EBADF (Bad file descriptor) [pid 5313] close(9) = -1 EBADF (Bad file descriptor) [pid 5313] close(10) = -1 EBADF (Bad file descriptor) [pid 5313] close(11) = -1 EBADF (Bad file descriptor) [pid 5313] close(12) = -1 EBADF (Bad file descriptor) [pid 5313] close(13) = -1 EBADF (Bad file descriptor) [pid 5313] close(14) = -1 EBADF (Bad file descriptor) [pid 5313] close(15) = -1 EBADF (Bad file descriptor) [pid 5313] close(16) = -1 EBADF (Bad file descriptor) [pid 5313] close(17) = -1 EBADF (Bad file descriptor) [pid 5313] close(18) = -1 EBADF (Bad file descriptor) [pid 5313] close(19) = -1 EBADF (Bad file descriptor) [pid 5313] close(20) = -1 EBADF (Bad file descriptor) [pid 5313] close(21) = -1 EBADF (Bad file descriptor) [pid 5313] close(22) = -1 EBADF (Bad file descriptor) [pid 5313] close(23) = -1 EBADF (Bad file descriptor) [pid 5313] close(24) = -1 EBADF (Bad file descriptor) [pid 5313] close(25) = -1 EBADF (Bad file descriptor) [pid 5313] close(26) = -1 EBADF (Bad file descriptor) [pid 5313] close(27) = -1 EBADF (Bad file descriptor) [pid 5313] close(28) = -1 EBADF (Bad file descriptor) [pid 5313] close(29) = -1 EBADF (Bad file descriptor) [pid 5313] exit_group(0) = ? [pid 5315] <... clone resumed>) = ? [pid 5315] +++ exited with 0 +++ [pid 5314] <... futex resumed>) = ? [pid 5314] +++ exited with 0 +++ [pid 5313] +++ exited with 0 +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=266, si_uid=0, si_status=0, si_utime=28 /* 0.28 s */, si_stime=119 /* 1.19 s */} --- [pid 5037] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5037] ioctl(3, LOOP_CLR_FD) = 0 [pid 5037] close(3) = 0 [pid 5037] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5317 attached [pid 5317] set_robust_list(0x555555cdf6a0, 24 [pid 5037] <... clone resumed>, child_tidptr=0x555555cdf690) = 270 [pid 5317] <... set_robust_list resumed>) = 0 [pid 5317] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5317] setpgid(0, 0) = 0 [pid 5317] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5317] write(3, "1000", 4) = 4 [pid 5317] close(3) = 0 [pid 5317] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5317] rt_sigaction(SIGRT_1, {sa_handler=0x7fd0d78ba680, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0d78abd30}, NULL, 8) = 0 [pid 5317] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5317] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d7831000 [pid 5317] mprotect(0x7fd0d7832000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5317] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5317] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d7851990, parent_tid=0x7fd0d7851990, exit_signal=0, stack=0x7fd0d7831000, stack_size=0x20300, tls=0x7fd0d78516c0} => {parent_tid=[271]}, 88) = 271 ./strace-static-x86_64: Process 5318 attached [pid 5317] rt_sigprocmask(SIG_SETMASK, [], [pid 5318] rseq(0x7fd0d7851fe0, 0x20, 0, 0x53053053 [pid 5317] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5318] <... rseq resumed>) = 0 [pid 5317] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5318] set_robust_list(0x7fd0d78519a0, 24 [pid 5317] <... futex resumed>) = 0 [pid 5318] <... set_robust_list resumed>) = 0 [pid 5317] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5318] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5318] memfd_create("syzkaller", 0) = 3 [pid 5318] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0cf431000 [ 206.759176][ T5318] syz-executor317[5318]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5316] +++ killed by SIGSEGV (core dumped) +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=269, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=48 /* 0.48 s */} --- [pid 5037] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5318] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 67108864) = 67108864 [pid 5318] munmap(0x7fd0cf431000, 67108864) = 0 [pid 5318] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5318] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5318] ioctl(4, LOOP_CLR_FD) = 0 [pid 5318] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5318] close(4) = 0 [pid 5318] close(3) = 0 [pid 5318] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5317] <... futex resumed>) = 0 [pid 5317] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5317] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5318] <... futex resumed>) = 1 [pid 5318] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5317] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5317] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5317] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5317] futex(0x7fd0d792b5fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5317] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d3410000 [pid 5317] mprotect(0x7fd0d3411000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5317] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5317] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d3430990, parent_tid=0x7fd0d3430990, exit_signal=0, stack=0x7fd0d3410000, stack_size=0x20300, tls=0x7fd0d34306c0} => {parent_tid=[272]}, 88) = 272 [pid 5317] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5317] futex(0x7fd0d792b5f8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5319 attached ) = 0 [pid 5317] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5319] rseq(0x7fd0d3430fe0, 0x20, 0, 0x53053053) = 0 [pid 5319] set_robust_list(0x7fd0d34309a0, 24 [pid 5318] <... mmap resumed>) = 0x20000000 [pid 5319] <... set_robust_list resumed>) = 0 [pid 5318] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5319] rt_sigprocmask(SIG_SETMASK, [], [pid 5318] <... futex resumed>) = 0 [pid 5319] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5319] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO [pid 5318] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5320 attached [pid 5320] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5317] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5317] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5317] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5317] close(3) = -1 EBADF (Bad file descriptor) [pid 5317] close(4) = -1 EBADF (Bad file descriptor) [pid 5317] close(5) = -1 EBADF (Bad file descriptor) [pid 5317] close(6) = -1 EBADF (Bad file descriptor) [pid 5317] close(7) = -1 EBADF (Bad file descriptor) [pid 5317] close(8) = -1 EBADF (Bad file descriptor) [pid 5317] close(9) = -1 EBADF (Bad file descriptor) [pid 5317] close(10) = -1 EBADF (Bad file descriptor) [pid 5317] close(11) = -1 EBADF (Bad file descriptor) [pid 5317] close(12) = -1 EBADF (Bad file descriptor) [pid 5317] close(13) = -1 EBADF (Bad file descriptor) [pid 5317] close(14) = -1 EBADF (Bad file descriptor) [pid 5317] close(15) = -1 EBADF (Bad file descriptor) [pid 5317] close(16) = -1 EBADF (Bad file descriptor) [pid 5317] close(17) = -1 EBADF (Bad file descriptor) [pid 5317] close(18) = -1 EBADF (Bad file descriptor) [pid 5317] close(19) = -1 EBADF (Bad file descriptor) [pid 5317] close(20) = -1 EBADF (Bad file descriptor) [pid 5317] close(21) = -1 EBADF (Bad file descriptor) [pid 5317] close(22) = -1 EBADF (Bad file descriptor) [pid 5317] close(23) = -1 EBADF (Bad file descriptor) [pid 5317] close(24) = -1 EBADF (Bad file descriptor) [pid 5317] close(25) = -1 EBADF (Bad file descriptor) [pid 5317] close(26) = -1 EBADF (Bad file descriptor) [pid 5317] close(27) = -1 EBADF (Bad file descriptor) [pid 5317] close(28) = -1 EBADF (Bad file descriptor) [pid 5317] close(29) = -1 EBADF (Bad file descriptor) [pid 5317] exit_group(0 [pid 5319] <... clone resumed>) = ? [pid 5318] <... futex resumed>) = ? [pid 5317] <... exit_group resumed>) = ? [pid 5319] +++ exited with 0 +++ [pid 5318] +++ exited with 0 +++ [pid 5317] +++ exited with 0 +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=270, si_uid=0, si_status=0, si_utime=30 /* 0.30 s */, si_stime=114 /* 1.14 s */} --- [pid 5037] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5037] ioctl(3, LOOP_CLR_FD) = 0 [pid 5037] close(3) = 0 [pid 5037] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cdf690) = 274 ./strace-static-x86_64: Process 5321 attached [pid 5321] set_robust_list(0x555555cdf6a0, 24) = 0 [pid 5321] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5321] setpgid(0, 0) = 0 [pid 5321] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5321] write(3, "1000", 4) = 4 [pid 5321] close(3) = 0 [pid 5321] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5321] rt_sigaction(SIGRT_1, {sa_handler=0x7fd0d78ba680, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0d78abd30}, NULL, 8) = 0 [pid 5321] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5321] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d7831000 [pid 5321] mprotect(0x7fd0d7832000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5321] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5321] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d7851990, parent_tid=0x7fd0d7851990, exit_signal=0, stack=0x7fd0d7831000, stack_size=0x20300, tls=0x7fd0d78516c0} => {parent_tid=[275]}, 88) = 275 ./strace-static-x86_64: Process 5322 attached [pid 5322] rseq(0x7fd0d7851fe0, 0x20, 0, 0x53053053) = 0 [pid 5322] set_robust_list(0x7fd0d78519a0, 24) = 0 [pid 5322] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5322] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5321] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5321] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5322] <... futex resumed>) = 0 [pid 5321] <... futex resumed>) = 1 [pid 5322] memfd_create("syzkaller", 0 [pid 5321] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5322] <... memfd_create resumed>) = 3 [pid 5322] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0cf431000 [ 208.898182][ T5322] syz-executor317[5322]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5320] +++ killed by SIGSEGV (core dumped) +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=273, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=51 /* 0.51 s */} --- [pid 5037] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5322] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 67108864) = 67108864 [pid 5322] munmap(0x7fd0cf431000, 67108864) = 0 [pid 5322] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5322] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5322] ioctl(4, LOOP_CLR_FD) = 0 [pid 5322] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5322] close(4) = 0 [pid 5322] close(3) = 0 [pid 5322] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5321] <... futex resumed>) = 0 [pid 5321] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5321] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5322] <... futex resumed>) = 1 [pid 5322] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5321] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5321] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5321] futex(0x7fd0d792b5fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5321] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5322] <... mmap resumed>) = 0x20000000 [pid 5321] <... mmap resumed>) = 0x7fd0d3410000 [pid 5322] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5321] mprotect(0x7fd0d3411000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5321] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5322] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5321] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d3430990, parent_tid=0x7fd0d3430990, exit_signal=0, stack=0x7fd0d3410000, stack_size=0x20300, tls=0x7fd0d34306c0}./strace-static-x86_64: Process 5323 attached => {parent_tid=[276]}, 88) = 276 [pid 5321] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5321] futex(0x7fd0d792b5f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5321] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5323] rseq(0x7fd0d3430fe0, 0x20, 0, 0x53053053) = 0 [pid 5323] set_robust_list(0x7fd0d34309a0, 24) = 0 [pid 5323] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5323] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5324 attached [pid 5324] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5321] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5321] close(3) = -1 EBADF (Bad file descriptor) [pid 5321] close(4) = -1 EBADF (Bad file descriptor) [pid 5321] close(5) = -1 EBADF (Bad file descriptor) [pid 5321] close(6) = -1 EBADF (Bad file descriptor) [pid 5321] close(7) = -1 EBADF (Bad file descriptor) [pid 5321] close(8) = -1 EBADF (Bad file descriptor) [pid 5321] close(9) = -1 EBADF (Bad file descriptor) [pid 5321] close(10) = -1 EBADF (Bad file descriptor) [pid 5321] close(11) = -1 EBADF (Bad file descriptor) [pid 5321] close(12) = -1 EBADF (Bad file descriptor) [pid 5321] close(13) = -1 EBADF (Bad file descriptor) [pid 5321] close(14) = -1 EBADF (Bad file descriptor) [pid 5321] close(15) = -1 EBADF (Bad file descriptor) [pid 5321] close(16) = -1 EBADF (Bad file descriptor) [pid 5321] close(17) = -1 EBADF (Bad file descriptor) [pid 5321] close(18) = -1 EBADF (Bad file descriptor) [pid 5321] close(19) = -1 EBADF (Bad file descriptor) [pid 5321] close(20) = -1 EBADF (Bad file descriptor) [pid 5321] close(21) = -1 EBADF (Bad file descriptor) [pid 5321] close(22) = -1 EBADF (Bad file descriptor) [pid 5321] close(23) = -1 EBADF (Bad file descriptor) [pid 5321] close(24) = -1 EBADF (Bad file descriptor) [pid 5321] close(25) = -1 EBADF (Bad file descriptor) [pid 5321] close(26) = -1 EBADF (Bad file descriptor) [pid 5321] close(27) = -1 EBADF (Bad file descriptor) [pid 5321] close(28) = -1 EBADF (Bad file descriptor) [pid 5321] close(29) = -1 EBADF (Bad file descriptor) [pid 5321] exit_group(0 [pid 5323] <... clone resumed>) = ? [pid 5321] <... exit_group resumed>) = ? [pid 5323] +++ exited with 0 +++ [pid 5322] <... futex resumed>) = ? [pid 5322] +++ exited with 0 +++ [pid 5321] +++ exited with 0 +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=274, si_uid=0, si_status=0, si_utime=29 /* 0.29 s */, si_stime=117 /* 1.17 s */} --- [pid 5037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5037] ioctl(3, LOOP_CLR_FD) = 0 [pid 5037] close(3) = 0 [pid 5037] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cdf690) = 278 ./strace-static-x86_64: Process 5325 attached [pid 5325] set_robust_list(0x555555cdf6a0, 24) = 0 [pid 5325] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5325] setpgid(0, 0) = 0 [pid 5325] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5325] write(3, "1000", 4) = 4 [pid 5325] close(3) = 0 [pid 5325] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5325] rt_sigaction(SIGRT_1, {sa_handler=0x7fd0d78ba680, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0d78abd30}, NULL, 8) = 0 [pid 5325] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5325] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d7831000 [pid 5325] mprotect(0x7fd0d7832000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5325] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5325] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d7851990, parent_tid=0x7fd0d7851990, exit_signal=0, stack=0x7fd0d7831000, stack_size=0x20300, tls=0x7fd0d78516c0} => {parent_tid=[279]}, 88) = 279 [pid 5325] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5326 attached NULL, 8) = 0 [pid 5326] rseq(0x7fd0d7851fe0, 0x20, 0, 0x53053053) = 0 [pid 5325] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5325] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5326] set_robust_list(0x7fd0d78519a0, 24) = 0 [pid 5326] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5326] memfd_create("syzkaller", 0) = 3 [pid 5326] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0cf431000 [ 210.935969][ T5326] syz-executor317[5326]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5324] +++ killed by SIGSEGV (core dumped) +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=277, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=47 /* 0.47 s */} --- [pid 5037] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5326] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 67108864) = 67108864 [pid 5326] munmap(0x7fd0cf431000, 67108864) = 0 [pid 5326] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5326] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5326] ioctl(4, LOOP_CLR_FD) = 0 [pid 5326] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5326] close(4) = 0 [pid 5326] close(3) = 0 [pid 5326] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5325] <... futex resumed>) = 0 [pid 5325] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5325] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5326] <... futex resumed>) = 1 [pid 5326] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5325] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5325] futex(0x7fd0d792b5fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5325] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d3410000 [pid 5325] mprotect(0x7fd0d3411000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5325] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5325] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d3430990, parent_tid=0x7fd0d3430990, exit_signal=0, stack=0x7fd0d3410000, stack_size=0x20300, tls=0x7fd0d34306c0} => {parent_tid=[280]}, 88) = 280 ./strace-static-x86_64: Process 5327 attached [pid 5325] rt_sigprocmask(SIG_SETMASK, [], [pid 5327] rseq(0x7fd0d3430fe0, 0x20, 0, 0x53053053 [pid 5325] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5327] <... rseq resumed>) = 0 [pid 5325] futex(0x7fd0d792b5f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5327] set_robust_list(0x7fd0d34309a0, 24 [pid 5325] <... futex resumed>) = 0 [pid 5327] <... set_robust_list resumed>) = 0 [pid 5325] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5327] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5327] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO [pid 5326] <... mmap resumed>) = 0x20000000 [pid 5326] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5326] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5328 attached [pid 5328] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5325] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5325] close(3) = -1 EBADF (Bad file descriptor) [pid 5325] close(4) = -1 EBADF (Bad file descriptor) [pid 5325] close(5) = -1 EBADF (Bad file descriptor) [pid 5325] close(6) = -1 EBADF (Bad file descriptor) [pid 5325] close(7) = -1 EBADF (Bad file descriptor) [pid 5325] close(8) = -1 EBADF (Bad file descriptor) [pid 5325] close(9) = -1 EBADF (Bad file descriptor) [pid 5325] close(10) = -1 EBADF (Bad file descriptor) [pid 5325] close(11) = -1 EBADF (Bad file descriptor) [pid 5325] close(12) = -1 EBADF (Bad file descriptor) [pid 5325] close(13) = -1 EBADF (Bad file descriptor) [pid 5325] close(14) = -1 EBADF (Bad file descriptor) [pid 5325] close(15) = -1 EBADF (Bad file descriptor) [pid 5325] close(16) = -1 EBADF (Bad file descriptor) [pid 5325] close(17) = -1 EBADF (Bad file descriptor) [pid 5325] close(18) = -1 EBADF (Bad file descriptor) [pid 5325] close(19) = -1 EBADF (Bad file descriptor) [pid 5325] close(20) = -1 EBADF (Bad file descriptor) [pid 5325] close(21) = -1 EBADF (Bad file descriptor) [pid 5325] close(22) = -1 EBADF (Bad file descriptor) [pid 5325] close(23) = -1 EBADF (Bad file descriptor) [pid 5325] close(24) = -1 EBADF (Bad file descriptor) [pid 5325] close(25) = -1 EBADF (Bad file descriptor) [pid 5325] close(26) = -1 EBADF (Bad file descriptor) [pid 5325] close(27) = -1 EBADF (Bad file descriptor) [pid 5325] close(28) = -1 EBADF (Bad file descriptor) [pid 5325] close(29) = -1 EBADF (Bad file descriptor) [pid 5325] exit_group(0) = ? [pid 5326] <... futex resumed>) = ? [pid 5327] <... clone resumed>) = ? [pid 5326] +++ exited with 0 +++ [pid 5327] +++ exited with 0 +++ [pid 5325] +++ exited with 0 +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=278, si_uid=0, si_status=0, si_utime=25 /* 0.25 s */, si_stime=122 /* 1.22 s */} --- [pid 5037] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5037] ioctl(3, LOOP_CLR_FD) = 0 [pid 5037] close(3) = 0 [pid 5037] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cdf690) = 282 ./strace-static-x86_64: Process 5329 attached [pid 5329] set_robust_list(0x555555cdf6a0, 24) = 0 [pid 5329] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5329] setpgid(0, 0) = 0 [pid 5329] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5329] write(3, "1000", 4) = 4 [pid 5329] close(3) = 0 [pid 5329] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5329] rt_sigaction(SIGRT_1, {sa_handler=0x7fd0d78ba680, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0d78abd30}, NULL, 8) = 0 [pid 5329] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5329] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d7831000 [pid 5329] mprotect(0x7fd0d7832000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5329] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5329] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d7851990, parent_tid=0x7fd0d7851990, exit_signal=0, stack=0x7fd0d7831000, stack_size=0x20300, tls=0x7fd0d78516c0}./strace-static-x86_64: Process 5330 attached => {parent_tid=[283]}, 88) = 283 [pid 5330] rseq(0x7fd0d7851fe0, 0x20, 0, 0x53053053) = 0 [pid 5329] rt_sigprocmask(SIG_SETMASK, [], [pid 5330] set_robust_list(0x7fd0d78519a0, 24) = 0 [pid 5329] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5330] rt_sigprocmask(SIG_SETMASK, [], [pid 5329] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5330] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5329] <... futex resumed>) = 0 [pid 5330] memfd_create("syzkaller", 0 [pid 5329] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5330] <... memfd_create resumed>) = 3 [pid 5330] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0cf431000 [ 212.966094][ T5330] syz-executor317[5330]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5328] +++ killed by SIGSEGV (core dumped) +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=281, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=47 /* 0.47 s */} --- [pid 5037] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5330] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 67108864) = 67108864 [pid 5330] munmap(0x7fd0cf431000, 67108864) = 0 [pid 5330] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5330] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5330] ioctl(4, LOOP_CLR_FD) = 0 [pid 5330] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5330] close(4) = 0 [pid 5330] close(3) = 0 [pid 5330] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5329] <... futex resumed>) = 0 [pid 5329] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5329] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5330] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5329] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5329] futex(0x7fd0d792b5fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5329] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5330] <... mmap resumed>) = 0x20000000 [pid 5329] <... mmap resumed>) = 0x7fd0d3410000 [pid 5330] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5329] mprotect(0x7fd0d3411000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5329] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5329] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d3430990, parent_tid=0x7fd0d3430990, exit_signal=0, stack=0x7fd0d3410000, stack_size=0x20300, tls=0x7fd0d34306c0} [pid 5330] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5331 attached [pid 5331] rseq(0x7fd0d3430fe0, 0x20, 0, 0x53053053 [pid 5329] <... clone3 resumed> => {parent_tid=[284]}, 88) = 284 [pid 5331] <... rseq resumed>) = 0 [pid 5330] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5329] rt_sigprocmask(SIG_SETMASK, [], [pid 5331] set_robust_list(0x7fd0d34309a0, 24 [pid 5329] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5331] <... set_robust_list resumed>) = 0 [pid 5329] futex(0x7fd0d792b5f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5331] rt_sigprocmask(SIG_SETMASK, [], [pid 5329] <... futex resumed>) = 0 [pid 5331] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5331] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO [pid 5329] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5332 attached [pid 5332] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5329] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5329] close(3) = -1 EBADF (Bad file descriptor) [pid 5329] close(4) = -1 EBADF (Bad file descriptor) [pid 5329] close(5) = -1 EBADF (Bad file descriptor) [pid 5329] close(6) = -1 EBADF (Bad file descriptor) [pid 5329] close(7) = -1 EBADF (Bad file descriptor) [pid 5329] close(8) = -1 EBADF (Bad file descriptor) [pid 5329] close(9) = -1 EBADF (Bad file descriptor) [pid 5329] close(10) = -1 EBADF (Bad file descriptor) [pid 5329] close(11) = -1 EBADF (Bad file descriptor) [pid 5329] close(12) = -1 EBADF (Bad file descriptor) [pid 5329] close(13) = -1 EBADF (Bad file descriptor) [pid 5329] close(14) = -1 EBADF (Bad file descriptor) [pid 5329] close(15) = -1 EBADF (Bad file descriptor) [pid 5329] close(16) = -1 EBADF (Bad file descriptor) [pid 5329] close(17) = -1 EBADF (Bad file descriptor) [pid 5329] close(18) = -1 EBADF (Bad file descriptor) [pid 5329] close(19) = -1 EBADF (Bad file descriptor) [pid 5329] close(20) = -1 EBADF (Bad file descriptor) [pid 5329] close(21) = -1 EBADF (Bad file descriptor) [pid 5329] close(22) = -1 EBADF (Bad file descriptor) [pid 5329] close(23) = -1 EBADF (Bad file descriptor) [pid 5329] close(24) = -1 EBADF (Bad file descriptor) [pid 5329] close(25) = -1 EBADF (Bad file descriptor) [pid 5329] close(26) = -1 EBADF (Bad file descriptor) [pid 5329] close(27) = -1 EBADF (Bad file descriptor) [pid 5329] close(28) = -1 EBADF (Bad file descriptor) [pid 5329] close(29) = -1 EBADF (Bad file descriptor) [pid 5329] exit_group(0) = ? [pid 5330] <... futex resumed>) = ? [pid 5331] <... clone resumed>) = ? [pid 5330] +++ exited with 0 +++ [pid 5331] +++ exited with 0 +++ [pid 5329] +++ exited with 0 +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=282, si_uid=0, si_status=0, si_utime=24 /* 0.24 s */, si_stime=119 /* 1.19 s */} --- [pid 5037] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5037] ioctl(3, LOOP_CLR_FD) = 0 [pid 5037] close(3) = 0 [pid 5037] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5333 attached [pid 5333] set_robust_list(0x555555cdf6a0, 24) = 0 [pid 5333] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5037] <... clone resumed>, child_tidptr=0x555555cdf690) = 286 [pid 5333] <... prctl resumed>) = 0 [pid 5333] setpgid(0, 0) = 0 [pid 5333] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5333] write(3, "1000", 4) = 4 [pid 5333] close(3) = 0 [pid 5333] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5333] rt_sigaction(SIGRT_1, {sa_handler=0x7fd0d78ba680, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0d78abd30}, NULL, 8) = 0 [pid 5333] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5333] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d7831000 [pid 5333] mprotect(0x7fd0d7832000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5333] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5333] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d7851990, parent_tid=0x7fd0d7851990, exit_signal=0, stack=0x7fd0d7831000, stack_size=0x20300, tls=0x7fd0d78516c0} => {parent_tid=[287]}, 88) = 287 [pid 5333] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5333] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5333] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5334 attached [pid 5334] rseq(0x7fd0d7851fe0, 0x20, 0, 0x53053053) = 0 [pid 5334] set_robust_list(0x7fd0d78519a0, 24) = 0 [pid 5334] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5334] memfd_create("syzkaller", 0) = 3 [pid 5334] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0cf431000 [ 215.035347][ T5334] syz-executor317[5334]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5332] +++ killed by SIGSEGV (core dumped) +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=285, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=46 /* 0.46 s */} --- [pid 5037] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5334] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 67108864) = 67108864 [pid 5334] munmap(0x7fd0cf431000, 67108864) = 0 [pid 5334] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5334] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5334] ioctl(4, LOOP_CLR_FD) = 0 [pid 5334] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5334] close(4) = 0 [pid 5334] close(3) = 0 [pid 5334] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5333] <... futex resumed>) = 0 [pid 5333] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5334] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5333] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5333] futex(0x7fd0d792b5fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5333] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5334] <... mmap resumed>) = 0x20000000 [pid 5333] <... mmap resumed>) = 0x7fd0d3410000 [pid 5334] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5333] mprotect(0x7fd0d3411000, 131072, PROT_READ|PROT_WRITE [pid 5334] <... futex resumed>) = 0 [pid 5333] <... mprotect resumed>) = 0 [pid 5334] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5333] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5333] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d3430990, parent_tid=0x7fd0d3430990, exit_signal=0, stack=0x7fd0d3410000, stack_size=0x20300, tls=0x7fd0d34306c0}./strace-static-x86_64: Process 5335 attached [pid 5335] rseq(0x7fd0d3430fe0, 0x20, 0, 0x53053053 [pid 5333] <... clone3 resumed> => {parent_tid=[288]}, 88) = 288 [pid 5335] <... rseq resumed>) = 0 [pid 5333] rt_sigprocmask(SIG_SETMASK, [], [pid 5335] set_robust_list(0x7fd0d34309a0, 24 [pid 5333] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5335] <... set_robust_list resumed>) = 0 [pid 5333] futex(0x7fd0d792b5f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5335] rt_sigprocmask(SIG_SETMASK, [], [pid 5333] <... futex resumed>) = 0 [pid 5335] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5333] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5335] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5336 attached [pid 5336] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5333] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5333] close(3) = -1 EBADF (Bad file descriptor) [pid 5333] close(4) = -1 EBADF (Bad file descriptor) [pid 5333] close(5) = -1 EBADF (Bad file descriptor) [pid 5333] close(6) = -1 EBADF (Bad file descriptor) [pid 5333] close(7) = -1 EBADF (Bad file descriptor) [pid 5333] close(8) = -1 EBADF (Bad file descriptor) [pid 5333] close(9) = -1 EBADF (Bad file descriptor) [pid 5333] close(10) = -1 EBADF (Bad file descriptor) [pid 5333] close(11) = -1 EBADF (Bad file descriptor) [pid 5333] close(12) = -1 EBADF (Bad file descriptor) [pid 5333] close(13) = -1 EBADF (Bad file descriptor) [pid 5333] close(14) = -1 EBADF (Bad file descriptor) [pid 5333] close(15) = -1 EBADF (Bad file descriptor) [pid 5333] close(16) = -1 EBADF (Bad file descriptor) [pid 5333] close(17) = -1 EBADF (Bad file descriptor) [pid 5333] close(18) = -1 EBADF (Bad file descriptor) [pid 5333] close(19) = -1 EBADF (Bad file descriptor) [pid 5333] close(20) = -1 EBADF (Bad file descriptor) [pid 5333] close(21) = -1 EBADF (Bad file descriptor) [pid 5333] close(22) = -1 EBADF (Bad file descriptor) [pid 5333] close(23) = -1 EBADF (Bad file descriptor) [pid 5333] close(24) = -1 EBADF (Bad file descriptor) [pid 5333] close(25) = -1 EBADF (Bad file descriptor) [pid 5333] close(26) = -1 EBADF (Bad file descriptor) [pid 5333] close(27) = -1 EBADF (Bad file descriptor) [pid 5333] close(28) = -1 EBADF (Bad file descriptor) [pid 5333] close(29) = -1 EBADF (Bad file descriptor) [pid 5333] exit_group(0) = ? [pid 5334] <... futex resumed>) = ? [pid 5335] <... clone resumed>) = ? [pid 5334] +++ exited with 0 +++ [pid 5335] +++ exited with 0 +++ [pid 5333] +++ exited with 0 +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=286, si_uid=0, si_status=0, si_utime=29 /* 0.29 s */, si_stime=106 /* 1.06 s */} --- [pid 5037] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5037] ioctl(3, LOOP_CLR_FD) = 0 [pid 5037] close(3) = 0 [pid 5037] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5337 attached [pid 5337] set_robust_list(0x555555cdf6a0, 24 [pid 5037] <... clone resumed>, child_tidptr=0x555555cdf690) = 290 [pid 5337] <... set_robust_list resumed>) = 0 [pid 5337] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5337] setpgid(0, 0) = 0 [pid 5337] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5337] write(3, "1000", 4) = 4 [pid 5337] close(3) = 0 [pid 5337] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5337] rt_sigaction(SIGRT_1, {sa_handler=0x7fd0d78ba680, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0d78abd30}, NULL, 8) = 0 [pid 5337] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5337] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d7831000 [pid 5337] mprotect(0x7fd0d7832000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5337] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5337] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d7851990, parent_tid=0x7fd0d7851990, exit_signal=0, stack=0x7fd0d7831000, stack_size=0x20300, tls=0x7fd0d78516c0} => {parent_tid=[291]}, 88) = 291 [pid 5337] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5337] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5337] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5338 attached [pid 5338] rseq(0x7fd0d7851fe0, 0x20, 0, 0x53053053) = 0 [pid 5338] set_robust_list(0x7fd0d78519a0, 24) = 0 [pid 5338] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5338] memfd_create("syzkaller", 0) = 3 [pid 5338] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0cf431000 [ 217.139830][ T5338] syz-executor317[5338]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5336] +++ killed by SIGSEGV (core dumped) +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=289, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=50 /* 0.50 s */} --- [pid 5037] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5338] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 67108864) = 67108864 [pid 5338] munmap(0x7fd0cf431000, 67108864) = 0 [pid 5338] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5338] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5338] ioctl(4, LOOP_CLR_FD) = 0 [pid 5338] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5338] close(4) = 0 [pid 5338] close(3) = 0 [pid 5338] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5337] <... futex resumed>) = 0 [pid 5337] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5337] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5338] <... futex resumed>) = 1 [pid 5338] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5337] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5337] futex(0x7fd0d792b5fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5337] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d3410000 [pid 5337] mprotect(0x7fd0d3411000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5337] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5337] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d3430990, parent_tid=0x7fd0d3430990, exit_signal=0, stack=0x7fd0d3410000, stack_size=0x20300, tls=0x7fd0d34306c0} => {parent_tid=[292]}, 88) = 292 [pid 5337] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5337] futex(0x7fd0d792b5f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5337] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5338] <... mmap resumed>) = 0x20000000 [pid 5338] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5338] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5339 attached [pid 5339] rseq(0x7fd0d3430fe0, 0x20, 0, 0x53053053) = 0 [pid 5339] set_robust_list(0x7fd0d34309a0, 24) = 0 [pid 5339] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5339] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5340 attached [pid 5340] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5337] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5337] close(3) = -1 EBADF (Bad file descriptor) [pid 5337] close(4) = -1 EBADF (Bad file descriptor) [pid 5337] close(5) = -1 EBADF (Bad file descriptor) [pid 5337] close(6) = -1 EBADF (Bad file descriptor) [pid 5337] close(7) = -1 EBADF (Bad file descriptor) [pid 5337] close(8) = -1 EBADF (Bad file descriptor) [pid 5337] close(9) = -1 EBADF (Bad file descriptor) [pid 5337] close(10) = -1 EBADF (Bad file descriptor) [pid 5337] close(11) = -1 EBADF (Bad file descriptor) [pid 5337] close(12) = -1 EBADF (Bad file descriptor) [pid 5337] close(13) = -1 EBADF (Bad file descriptor) [pid 5337] close(14) = -1 EBADF (Bad file descriptor) [pid 5337] close(15) = -1 EBADF (Bad file descriptor) [pid 5337] close(16) = -1 EBADF (Bad file descriptor) [pid 5337] close(17) = -1 EBADF (Bad file descriptor) [pid 5337] close(18) = -1 EBADF (Bad file descriptor) [pid 5337] close(19) = -1 EBADF (Bad file descriptor) [pid 5337] close(20) = -1 EBADF (Bad file descriptor) [pid 5337] close(21) = -1 EBADF (Bad file descriptor) [pid 5337] close(22) = -1 EBADF (Bad file descriptor) [pid 5337] close(23) = -1 EBADF (Bad file descriptor) [pid 5337] close(24) = -1 EBADF (Bad file descriptor) [pid 5337] close(25) = -1 EBADF (Bad file descriptor) [pid 5337] close(26) = -1 EBADF (Bad file descriptor) [pid 5337] close(27) = -1 EBADF (Bad file descriptor) [pid 5337] close(28) = -1 EBADF (Bad file descriptor) [pid 5337] close(29) = -1 EBADF (Bad file descriptor) [pid 5337] exit_group(0 [pid 5339] <... clone resumed>) = ? [pid 5337] <... exit_group resumed>) = ? [pid 5339] +++ exited with 0 +++ [pid 5338] <... futex resumed>) = ? [pid 5338] +++ exited with 0 +++ [pid 5337] +++ exited with 0 +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=290, si_uid=0, si_status=0, si_utime=29 /* 0.29 s */, si_stime=113 /* 1.13 s */} --- [pid 5037] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5037] ioctl(3, LOOP_CLR_FD) = 0 [pid 5037] close(3) = 0 [pid 5037] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cdf690) = 294 ./strace-static-x86_64: Process 5341 attached [pid 5341] set_robust_list(0x555555cdf6a0, 24) = 0 [pid 5341] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5341] setpgid(0, 0) = 0 [pid 5341] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5341] write(3, "1000", 4) = 4 [pid 5341] close(3) = 0 [pid 5341] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5341] rt_sigaction(SIGRT_1, {sa_handler=0x7fd0d78ba680, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0d78abd30}, NULL, 8) = 0 [pid 5341] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5341] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d7831000 [pid 5341] mprotect(0x7fd0d7832000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5341] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5341] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d7851990, parent_tid=0x7fd0d7851990, exit_signal=0, stack=0x7fd0d7831000, stack_size=0x20300, tls=0x7fd0d78516c0}./strace-static-x86_64: Process 5342 attached => {parent_tid=[295]}, 88) = 295 [pid 5342] rseq(0x7fd0d7851fe0, 0x20, 0, 0x53053053 [pid 5341] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5341] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5342] <... rseq resumed>) = 0 [pid 5341] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5342] set_robust_list(0x7fd0d78519a0, 24) = 0 [pid 5342] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5342] memfd_create("syzkaller", 0) = 3 [pid 5342] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0cf431000 [ 219.267357][ T5342] syz-executor317[5342]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5340] +++ killed by SIGSEGV (core dumped) +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=293, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=51 /* 0.51 s */} --- [pid 5037] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5342] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 67108864) = 67108864 [pid 5342] munmap(0x7fd0cf431000, 67108864) = 0 [pid 5342] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5342] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5342] ioctl(4, LOOP_CLR_FD) = 0 [pid 5342] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5342] close(4) = 0 [pid 5342] close(3) = 0 [pid 5342] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5341] <... futex resumed>) = 0 [pid 5341] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5341] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5342] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5341] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5341] futex(0x7fd0d792b5fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5341] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5342] <... mmap resumed>) = 0x20000000 [pid 5341] <... mmap resumed>) = 0x7fd0d3410000 [pid 5341] mprotect(0x7fd0d3411000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5341] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5342] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5341] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5342] <... futex resumed>) = 0 [pid 5341] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d3430990, parent_tid=0x7fd0d3430990, exit_signal=0, stack=0x7fd0d3410000, stack_size=0x20300, tls=0x7fd0d34306c0} [pid 5342] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5343 attached [pid 5343] rseq(0x7fd0d3430fe0, 0x20, 0, 0x53053053) = 0 [pid 5343] set_robust_list(0x7fd0d34309a0, 24) = 0 [pid 5343] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5343] futex(0x7fd0d792b5f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5341] <... clone3 resumed> => {parent_tid=[296]}, 88) = 296 [pid 5341] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5341] futex(0x7fd0d792b5f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5343] <... futex resumed>) = 0 [pid 5343] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO [pid 5341] <... futex resumed>) = 1 [pid 5341] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5344 attached [pid 5344] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5341] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5341] close(3) = -1 EBADF (Bad file descriptor) [pid 5341] close(4) = -1 EBADF (Bad file descriptor) [pid 5341] close(5) = -1 EBADF (Bad file descriptor) [pid 5341] close(6) = -1 EBADF (Bad file descriptor) [pid 5341] close(7) = -1 EBADF (Bad file descriptor) [pid 5341] close(8) = -1 EBADF (Bad file descriptor) [pid 5341] close(9) = -1 EBADF (Bad file descriptor) [pid 5341] close(10) = -1 EBADF (Bad file descriptor) [pid 5341] close(11) = -1 EBADF (Bad file descriptor) [pid 5341] close(12) = -1 EBADF (Bad file descriptor) [pid 5341] close(13) = -1 EBADF (Bad file descriptor) [pid 5341] close(14) = -1 EBADF (Bad file descriptor) [pid 5341] close(15) = -1 EBADF (Bad file descriptor) [pid 5341] close(16) = -1 EBADF (Bad file descriptor) [pid 5341] close(17) = -1 EBADF (Bad file descriptor) [pid 5341] close(18) = -1 EBADF (Bad file descriptor) [pid 5341] close(19) = -1 EBADF (Bad file descriptor) [pid 5341] close(20) = -1 EBADF (Bad file descriptor) [pid 5341] close(21) = -1 EBADF (Bad file descriptor) [pid 5341] close(22) = -1 EBADF (Bad file descriptor) [pid 5341] close(23) = -1 EBADF (Bad file descriptor) [pid 5341] close(24) = -1 EBADF (Bad file descriptor) [pid 5341] close(25) = -1 EBADF (Bad file descriptor) [pid 5341] close(26) = -1 EBADF (Bad file descriptor) [pid 5341] close(27) = -1 EBADF (Bad file descriptor) [pid 5341] close(28) = -1 EBADF (Bad file descriptor) [pid 5341] close(29) = -1 EBADF (Bad file descriptor) [pid 5341] exit_group(0) = ? [pid 5343] <... clone resumed>) = ? [pid 5343] +++ exited with 0 +++ [pid 5342] <... futex resumed>) = ? [pid 5342] +++ exited with 0 +++ [pid 5341] +++ exited with 0 +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=294, si_uid=0, si_status=0, si_utime=26 /* 0.26 s */, si_stime=125 /* 1.25 s */} --- [pid 5037] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5037] ioctl(3, LOOP_CLR_FD) = 0 [pid 5037] close(3) = 0 [pid 5037] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cdf690) = 298 ./strace-static-x86_64: Process 5345 attached [pid 5345] set_robust_list(0x555555cdf6a0, 24) = 0 [pid 5345] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5345] setpgid(0, 0) = 0 [pid 5345] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5345] write(3, "1000", 4) = 4 [pid 5345] close(3) = 0 [pid 5345] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5345] rt_sigaction(SIGRT_1, {sa_handler=0x7fd0d78ba680, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0d78abd30}, NULL, 8) = 0 [pid 5345] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5345] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d7831000 [pid 5345] mprotect(0x7fd0d7832000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5345] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5345] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d7851990, parent_tid=0x7fd0d7851990, exit_signal=0, stack=0x7fd0d7831000, stack_size=0x20300, tls=0x7fd0d78516c0}./strace-static-x86_64: Process 5346 attached [pid 5346] rseq(0x7fd0d7851fe0, 0x20, 0, 0x53053053 [pid 5345] <... clone3 resumed> => {parent_tid=[299]}, 88) = 299 [pid 5346] <... rseq resumed>) = 0 [pid 5345] rt_sigprocmask(SIG_SETMASK, [], [pid 5346] set_robust_list(0x7fd0d78519a0, 24 [pid 5345] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5346] <... set_robust_list resumed>) = 0 [pid 5345] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5346] rt_sigprocmask(SIG_SETMASK, [], [pid 5345] <... futex resumed>) = 0 [pid 5346] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5345] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5346] memfd_create("syzkaller", 0) = 3 [pid 5346] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0cf431000 [ 221.369212][ T5346] syz-executor317[5346]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5344] +++ killed by SIGSEGV (core dumped) +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=297, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=53 /* 0.53 s */} --- [pid 5346] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 67108864) = 67108864 [pid 5346] munmap(0x7fd0cf431000, 67108864) = 0 [pid 5346] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5346] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5346] ioctl(4, LOOP_CLR_FD) = 0 [pid 5346] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5346] close(4) = 0 [pid 5346] close(3) = 0 [pid 5346] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5345] <... futex resumed>) = 0 [pid 5346] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5345] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5346] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5345] <... futex resumed>) = 0 [pid 5345] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5346] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5345] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5345] futex(0x7fd0d792b5fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5345] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5346] <... mmap resumed>) = 0x20000000 [pid 5345] <... mmap resumed>) = 0x7fd0d3410000 [pid 5345] mprotect(0x7fd0d3411000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5345] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5345] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d3430990, parent_tid=0x7fd0d3430990, exit_signal=0, stack=0x7fd0d3410000, stack_size=0x20300, tls=0x7fd0d34306c0} [pid 5346] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 5347 attached [pid 5346] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5347] rseq(0x7fd0d3430fe0, 0x20, 0, 0x53053053 [pid 5345] <... clone3 resumed> => {parent_tid=[300]}, 88) = 300 [pid 5347] <... rseq resumed>) = 0 [pid 5345] rt_sigprocmask(SIG_SETMASK, [], [pid 5347] set_robust_list(0x7fd0d34309a0, 24 [pid 5345] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5347] <... set_robust_list resumed>) = 0 [pid 5347] rt_sigprocmask(SIG_SETMASK, [], [pid 5345] futex(0x7fd0d792b5f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5347] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5345] <... futex resumed>) = 0 [pid 5347] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO [pid 5345] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5348 attached [pid 5348] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5345] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5345] close(3) = -1 EBADF (Bad file descriptor) [pid 5345] close(4) = -1 EBADF (Bad file descriptor) [pid 5345] close(5) = -1 EBADF (Bad file descriptor) [pid 5345] close(6) = -1 EBADF (Bad file descriptor) [pid 5345] close(7) = -1 EBADF (Bad file descriptor) [pid 5345] close(8) = -1 EBADF (Bad file descriptor) [pid 5345] close(9) = -1 EBADF (Bad file descriptor) [pid 5345] close(10) = -1 EBADF (Bad file descriptor) [pid 5345] close(11) = -1 EBADF (Bad file descriptor) [pid 5345] close(12) = -1 EBADF (Bad file descriptor) [pid 5345] close(13) = -1 EBADF (Bad file descriptor) [pid 5345] close(14) = -1 EBADF (Bad file descriptor) [pid 5345] close(15) = -1 EBADF (Bad file descriptor) [pid 5345] close(16) = -1 EBADF (Bad file descriptor) [pid 5345] close(17) = -1 EBADF (Bad file descriptor) [pid 5345] close(18) = -1 EBADF (Bad file descriptor) [pid 5345] close(19) = -1 EBADF (Bad file descriptor) [pid 5345] close(20) = -1 EBADF (Bad file descriptor) [pid 5345] close(21) = -1 EBADF (Bad file descriptor) [pid 5345] close(22) = -1 EBADF (Bad file descriptor) [pid 5345] close(23) = -1 EBADF (Bad file descriptor) [pid 5345] close(24) = -1 EBADF (Bad file descriptor) [pid 5345] close(25) = -1 EBADF (Bad file descriptor) [pid 5345] close(26) = -1 EBADF (Bad file descriptor) [pid 5345] close(27) = -1 EBADF (Bad file descriptor) [pid 5345] close(28) = -1 EBADF (Bad file descriptor) [pid 5345] close(29) = -1 EBADF (Bad file descriptor) [pid 5345] exit_group(0) = ? [pid 5346] <... futex resumed>) = ? [pid 5346] +++ exited with 0 +++ [pid 5347] <... clone resumed>) = ? [pid 5347] +++ exited with 0 +++ [pid 5345] +++ exited with 0 +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=298, si_uid=0, si_status=0, si_utime=36 /* 0.36 s */, si_stime=107 /* 1.07 s */} --- [pid 5037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5037] ioctl(3, LOOP_CLR_FD) = 0 [pid 5037] close(3) = 0 [pid 5037] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5349 attached , child_tidptr=0x555555cdf690) = 302 [pid 5349] set_robust_list(0x555555cdf6a0, 24) = 0 [pid 5349] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5349] setpgid(0, 0) = 0 [pid 5349] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5349] write(3, "1000", 4) = 4 [pid 5349] close(3) = 0 [pid 5349] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5349] rt_sigaction(SIGRT_1, {sa_handler=0x7fd0d78ba680, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0d78abd30}, NULL, 8) = 0 [pid 5349] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5349] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d7831000 [pid 5349] mprotect(0x7fd0d7832000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5349] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5349] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d7851990, parent_tid=0x7fd0d7851990, exit_signal=0, stack=0x7fd0d7831000, stack_size=0x20300, tls=0x7fd0d78516c0}./strace-static-x86_64: Process 5350 attached => {parent_tid=[303]}, 88) = 303 [pid 5349] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5349] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5350] rseq(0x7fd0d7851fe0, 0x20, 0, 0x53053053 [pid 5349] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5350] <... rseq resumed>) = 0 [pid 5350] set_robust_list(0x7fd0d78519a0, 24) = 0 [pid 5350] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5350] memfd_create("syzkaller", 0) = 3 [pid 5350] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0cf431000 [ 223.511650][ T5350] syz-executor317[5350]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5348] +++ killed by SIGSEGV (core dumped) +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=301, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=49 /* 0.49 s */} --- [pid 5037] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5350] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 67108864) = 67108864 [pid 5350] munmap(0x7fd0cf431000, 67108864) = 0 [pid 5350] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5350] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5350] ioctl(4, LOOP_CLR_FD) = 0 [pid 5350] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5350] close(4) = 0 [pid 5350] close(3) = 0 [pid 5350] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5349] <... futex resumed>) = 0 [pid 5349] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5349] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5350] <... futex resumed>) = 1 [pid 5350] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5349] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5349] futex(0x7fd0d792b5fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5349] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d3410000 [pid 5349] mprotect(0x7fd0d3411000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5349] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5349] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d3430990, parent_tid=0x7fd0d3430990, exit_signal=0, stack=0x7fd0d3410000, stack_size=0x20300, tls=0x7fd0d34306c0}./strace-static-x86_64: Process 5351 attached => {parent_tid=[304]}, 88) = 304 [pid 5349] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5349] futex(0x7fd0d792b5f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5351] rseq(0x7fd0d3430fe0, 0x20, 0, 0x53053053 [pid 5349] <... futex resumed>) = 0 [pid 5351] <... rseq resumed>) = 0 [pid 5351] set_robust_list(0x7fd0d34309a0, 24 [pid 5349] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5351] <... set_robust_list resumed>) = 0 [pid 5351] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5351] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO [pid 5350] <... mmap resumed>) = 0x20000000 ./strace-static-x86_64: Process 5352 attached [pid 5350] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5350] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5352] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5349] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5349] close(3) = -1 EBADF (Bad file descriptor) [pid 5349] close(4) = -1 EBADF (Bad file descriptor) [pid 5349] close(5) = -1 EBADF (Bad file descriptor) [pid 5349] close(6) = -1 EBADF (Bad file descriptor) [pid 5349] close(7) = -1 EBADF (Bad file descriptor) [pid 5349] close(8) = -1 EBADF (Bad file descriptor) [pid 5349] close(9) = -1 EBADF (Bad file descriptor) [pid 5349] close(10) = -1 EBADF (Bad file descriptor) [pid 5349] close(11) = -1 EBADF (Bad file descriptor) [pid 5349] close(12) = -1 EBADF (Bad file descriptor) [pid 5349] close(13) = -1 EBADF (Bad file descriptor) [pid 5349] close(14) = -1 EBADF (Bad file descriptor) [pid 5349] close(15) = -1 EBADF (Bad file descriptor) [pid 5349] close(16) = -1 EBADF (Bad file descriptor) [pid 5349] close(17) = -1 EBADF (Bad file descriptor) [pid 5349] close(18) = -1 EBADF (Bad file descriptor) [pid 5349] close(19) = -1 EBADF (Bad file descriptor) [pid 5349] close(20) = -1 EBADF (Bad file descriptor) [pid 5349] close(21) = -1 EBADF (Bad file descriptor) [pid 5349] close(22) = -1 EBADF (Bad file descriptor) [pid 5349] close(23) = -1 EBADF (Bad file descriptor) [pid 5349] close(24) = -1 EBADF (Bad file descriptor) [pid 5349] close(25) = -1 EBADF (Bad file descriptor) [pid 5349] close(26) = -1 EBADF (Bad file descriptor) [pid 5349] close(27) = -1 EBADF (Bad file descriptor) [pid 5349] close(28) = -1 EBADF (Bad file descriptor) [pid 5349] close(29) = -1 EBADF (Bad file descriptor) [pid 5349] exit_group(0 [pid 5351] <... clone resumed>) = ? [pid 5350] <... futex resumed>) = ? [pid 5349] <... exit_group resumed>) = ? [pid 5351] +++ exited with 0 +++ [pid 5350] +++ exited with 0 +++ [pid 5349] +++ exited with 0 +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=302, si_uid=0, si_status=0, si_utime=26 /* 0.26 s */, si_stime=123 /* 1.23 s */} --- [pid 5037] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5037] ioctl(3, LOOP_CLR_FD) = 0 [pid 5037] close(3) = 0 [pid 5037] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5353 attached [pid 5353] set_robust_list(0x555555cdf6a0, 24 [pid 5037] <... clone resumed>, child_tidptr=0x555555cdf690) = 306 [pid 5353] <... set_robust_list resumed>) = 0 [pid 5353] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5353] setpgid(0, 0) = 0 [pid 5353] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5353] write(3, "1000", 4) = 4 [pid 5353] close(3) = 0 [pid 5353] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5353] rt_sigaction(SIGRT_1, {sa_handler=0x7fd0d78ba680, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0d78abd30}, NULL, 8) = 0 [pid 5353] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5353] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d7831000 [pid 5353] mprotect(0x7fd0d7832000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5353] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5353] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d7851990, parent_tid=0x7fd0d7851990, exit_signal=0, stack=0x7fd0d7831000, stack_size=0x20300, tls=0x7fd0d78516c0}./strace-static-x86_64: Process 5354 attached => {parent_tid=[307]}, 88) = 307 [pid 5353] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5354] rseq(0x7fd0d7851fe0, 0x20, 0, 0x53053053) = 0 [pid 5354] set_robust_list(0x7fd0d78519a0, 24) = 0 [pid 5354] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5354] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5353] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5354] <... futex resumed>) = 0 [pid 5353] <... futex resumed>) = 1 [pid 5354] memfd_create("syzkaller", 0 [pid 5353] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5354] <... memfd_create resumed>) = 3 [pid 5354] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0cf431000 [ 225.555880][ T5354] syz-executor317[5354]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5352] +++ killed by SIGSEGV (core dumped) +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=305, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=46 /* 0.46 s */} --- [pid 5354] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 67108864) = 67108864 [pid 5354] munmap(0x7fd0cf431000, 67108864) = 0 [pid 5354] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5354] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5354] ioctl(4, LOOP_CLR_FD) = 0 [pid 5354] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5354] close(4) = 0 [pid 5354] close(3) = 0 [pid 5354] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5353] <... futex resumed>) = 0 [pid 5354] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5353] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5354] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5353] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5354] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5353] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5353] futex(0x7fd0d792b5fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5353] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5354] <... mmap resumed>) = 0x20000000 [pid 5353] <... mmap resumed>) = 0x7fd0d3410000 [pid 5353] mprotect(0x7fd0d3411000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5354] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5354] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5353] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5353] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d3430990, parent_tid=0x7fd0d3430990, exit_signal=0, stack=0x7fd0d3410000, stack_size=0x20300, tls=0x7fd0d34306c0}./strace-static-x86_64: Process 5355 attached => {parent_tid=[308]}, 88) = 308 [pid 5355] rseq(0x7fd0d3430fe0, 0x20, 0, 0x53053053 [pid 5353] rt_sigprocmask(SIG_SETMASK, [], [pid 5355] <... rseq resumed>) = 0 [pid 5353] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5355] set_robust_list(0x7fd0d34309a0, 24 [pid 5353] futex(0x7fd0d792b5f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5355] <... set_robust_list resumed>) = 0 [pid 5353] <... futex resumed>) = 0 [pid 5355] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5353] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5355] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5356 attached [pid 5356] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5353] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5353] close(3) = -1 EBADF (Bad file descriptor) [pid 5353] close(4) = -1 EBADF (Bad file descriptor) [pid 5353] close(5) = -1 EBADF (Bad file descriptor) [pid 5353] close(6) = -1 EBADF (Bad file descriptor) [pid 5353] close(7) = -1 EBADF (Bad file descriptor) [pid 5353] close(8) = -1 EBADF (Bad file descriptor) [pid 5353] close(9) = -1 EBADF (Bad file descriptor) [pid 5353] close(10) = -1 EBADF (Bad file descriptor) [pid 5353] close(11) = -1 EBADF (Bad file descriptor) [pid 5353] close(12) = -1 EBADF (Bad file descriptor) [pid 5353] close(13) = -1 EBADF (Bad file descriptor) [pid 5353] close(14) = -1 EBADF (Bad file descriptor) [pid 5353] close(15) = -1 EBADF (Bad file descriptor) [pid 5353] close(16) = -1 EBADF (Bad file descriptor) [pid 5353] close(17) = -1 EBADF (Bad file descriptor) [pid 5353] close(18) = -1 EBADF (Bad file descriptor) [pid 5353] close(19) = -1 EBADF (Bad file descriptor) [pid 5353] close(20) = -1 EBADF (Bad file descriptor) [pid 5353] close(21) = -1 EBADF (Bad file descriptor) [pid 5353] close(22) = -1 EBADF (Bad file descriptor) [pid 5353] close(23) = -1 EBADF (Bad file descriptor) [pid 5353] close(24) = -1 EBADF (Bad file descriptor) [pid 5353] close(25) = -1 EBADF (Bad file descriptor) [pid 5353] close(26) = -1 EBADF (Bad file descriptor) [pid 5353] close(27) = -1 EBADF (Bad file descriptor) [pid 5353] close(28) = -1 EBADF (Bad file descriptor) [pid 5353] close(29) = -1 EBADF (Bad file descriptor) [pid 5353] exit_group(0) = ? [pid 5355] <... clone resumed>) = ? [pid 5354] <... futex resumed>) = ? [pid 5355] +++ exited with 0 +++ [pid 5354] +++ exited with 0 +++ [pid 5353] +++ exited with 0 +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=306, si_uid=0, si_status=0, si_utime=29 /* 0.29 s */, si_stime=114 /* 1.14 s */} --- [pid 5037] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5037] ioctl(3, LOOP_CLR_FD) = 0 [pid 5037] close(3) = 0 [pid 5037] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cdf690) = 310 ./strace-static-x86_64: Process 5357 attached [pid 5357] set_robust_list(0x555555cdf6a0, 24) = 0 [pid 5357] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5357] setpgid(0, 0) = 0 [pid 5357] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5357] write(3, "1000", 4) = 4 [pid 5357] close(3) = 0 [pid 5357] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5357] rt_sigaction(SIGRT_1, {sa_handler=0x7fd0d78ba680, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0d78abd30}, NULL, 8) = 0 [pid 5357] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5357] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d7831000 [pid 5357] mprotect(0x7fd0d7832000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5357] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5357] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d7851990, parent_tid=0x7fd0d7851990, exit_signal=0, stack=0x7fd0d7831000, stack_size=0x20300, tls=0x7fd0d78516c0}./strace-static-x86_64: Process 5358 attached => {parent_tid=[311]}, 88) = 311 [pid 5358] rseq(0x7fd0d7851fe0, 0x20, 0, 0x53053053 [pid 5357] rt_sigprocmask(SIG_SETMASK, [], [pid 5358] <... rseq resumed>) = 0 [pid 5357] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5358] set_robust_list(0x7fd0d78519a0, 24) = 0 [pid 5358] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5357] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5358] memfd_create("syzkaller", 0 [pid 5357] <... futex resumed>) = 0 [pid 5357] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5358] <... memfd_create resumed>) = 3 [pid 5358] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0cf431000 [ 227.637456][ T5358] syz-executor317[5358]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5356] +++ killed by SIGSEGV (core dumped) +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=309, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=50 /* 0.50 s */} --- [pid 5037] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5358] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 67108864) = 67108864 [pid 5358] munmap(0x7fd0cf431000, 67108864) = 0 [pid 5358] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5358] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5358] ioctl(4, LOOP_CLR_FD) = 0 [pid 5358] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5358] close(4) = 0 [pid 5358] close(3) = 0 [pid 5358] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5357] <... futex resumed>) = 0 [pid 5357] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5357] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5358] <... futex resumed>) = 1 [pid 5358] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5357] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5357] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5357] futex(0x7fd0d792b5fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5357] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d3410000 [pid 5357] mprotect(0x7fd0d3411000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5357] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5357] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d3430990, parent_tid=0x7fd0d3430990, exit_signal=0, stack=0x7fd0d3410000, stack_size=0x20300, tls=0x7fd0d34306c0}./strace-static-x86_64: Process 5360 attached => {parent_tid=[312]}, 88) = 312 [pid 5360] rseq(0x7fd0d3430fe0, 0x20, 0, 0x53053053) = 0 [pid 5357] rt_sigprocmask(SIG_SETMASK, [], [pid 5360] set_robust_list(0x7fd0d34309a0, 24 [pid 5357] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5357] futex(0x7fd0d792b5f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5357] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5358] <... mmap resumed>) = 0x20000000 [pid 5360] <... set_robust_list resumed>) = 0 [pid 5360] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5358] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5358] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5360] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5361 attached [pid 5361] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5357] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5357] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5357] close(3) = -1 EBADF (Bad file descriptor) [pid 5357] close(4) = -1 EBADF (Bad file descriptor) [pid 5357] close(5) = -1 EBADF (Bad file descriptor) [pid 5357] close(6) = -1 EBADF (Bad file descriptor) [pid 5357] close(7) = -1 EBADF (Bad file descriptor) [pid 5357] close(8) = -1 EBADF (Bad file descriptor) [pid 5357] close(9) = -1 EBADF (Bad file descriptor) [pid 5357] close(10) = -1 EBADF (Bad file descriptor) [pid 5357] close(11) = -1 EBADF (Bad file descriptor) [pid 5357] close(12) = -1 EBADF (Bad file descriptor) [pid 5357] close(13) = -1 EBADF (Bad file descriptor) [pid 5357] close(14) = -1 EBADF (Bad file descriptor) [pid 5357] close(15) = -1 EBADF (Bad file descriptor) [pid 5357] close(16) = -1 EBADF (Bad file descriptor) [pid 5357] close(17) = -1 EBADF (Bad file descriptor) [pid 5357] close(18) = -1 EBADF (Bad file descriptor) [pid 5357] close(19) = -1 EBADF (Bad file descriptor) [pid 5357] close(20) = -1 EBADF (Bad file descriptor) [pid 5357] close(21) = -1 EBADF (Bad file descriptor) [pid 5357] close(22) = -1 EBADF (Bad file descriptor) [pid 5357] close(23) = -1 EBADF (Bad file descriptor) [pid 5357] close(24) = -1 EBADF (Bad file descriptor) [pid 5357] close(25) = -1 EBADF (Bad file descriptor) [pid 5357] close(26) = -1 EBADF (Bad file descriptor) [pid 5357] close(27) = -1 EBADF (Bad file descriptor) [pid 5357] close(28) = -1 EBADF (Bad file descriptor) [pid 5357] close(29) = -1 EBADF (Bad file descriptor) [pid 5357] exit_group(0) = ? [pid 5360] <... clone resumed>) = ? [pid 5358] <... futex resumed>) = ? [pid 5358] +++ exited with 0 +++ [pid 5360] +++ exited with 0 +++ [pid 5357] +++ exited with 0 +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=310, si_uid=0, si_status=0, si_utime=29 /* 0.29 s */, si_stime=116 /* 1.16 s */} --- [pid 5037] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5037] ioctl(3, LOOP_CLR_FD) = 0 [pid 5037] close(3) = 0 [pid 5037] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cdf690) = 314 ./strace-static-x86_64: Process 5363 attached [pid 5363] set_robust_list(0x555555cdf6a0, 24) = 0 [pid 5363] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5363] setpgid(0, 0) = 0 [pid 5363] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5363] write(3, "1000", 4) = 4 [pid 5363] close(3) = 0 [pid 5363] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5363] rt_sigaction(SIGRT_1, {sa_handler=0x7fd0d78ba680, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0d78abd30}, NULL, 8) = 0 [pid 5363] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5363] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d7831000 [pid 5363] mprotect(0x7fd0d7832000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5363] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5363] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d7851990, parent_tid=0x7fd0d7851990, exit_signal=0, stack=0x7fd0d7831000, stack_size=0x20300, tls=0x7fd0d78516c0}./strace-static-x86_64: Process 5364 attached => {parent_tid=[315]}, 88) = 315 [pid 5364] rseq(0x7fd0d7851fe0, 0x20, 0, 0x53053053 [pid 5363] rt_sigprocmask(SIG_SETMASK, [], [pid 5364] <... rseq resumed>) = 0 [pid 5363] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5364] set_robust_list(0x7fd0d78519a0, 24 [pid 5363] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5364] <... set_robust_list resumed>) = 0 [pid 5363] <... futex resumed>) = 0 [pid 5364] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5363] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5364] memfd_create("syzkaller", 0) = 3 [pid 5364] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0cf431000 [ 229.766406][ T5364] syz-executor317[5364]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5361] +++ killed by SIGSEGV (core dumped) +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=313, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=47 /* 0.47 s */} --- [pid 5037] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5364] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 67108864) = 67108864 [pid 5364] munmap(0x7fd0cf431000, 67108864) = 0 [pid 5364] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5364] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5364] ioctl(4, LOOP_CLR_FD) = 0 [pid 5364] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5364] close(4) = 0 [pid 5364] close(3) = 0 [pid 5364] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5364] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5363] <... futex resumed>) = 0 [pid 5363] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5364] <... futex resumed>) = 0 [pid 5364] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5363] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5363] futex(0x7fd0d792b5fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5363] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d3410000 [pid 5363] mprotect(0x7fd0d3411000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5363] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5363] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d3430990, parent_tid=0x7fd0d3430990, exit_signal=0, stack=0x7fd0d3410000, stack_size=0x20300, tls=0x7fd0d34306c0} => {parent_tid=[316]}, 88) = 316 ./strace-static-x86_64: Process 5366 attached [pid 5363] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5363] futex(0x7fd0d792b5f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5366] rseq(0x7fd0d3430fe0, 0x20, 0, 0x53053053 [pid 5363] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5366] <... rseq resumed>) = 0 [pid 5364] <... mmap resumed>) = 0x20000000 [pid 5366] set_robust_list(0x7fd0d34309a0, 24) = 0 [pid 5364] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5366] rt_sigprocmask(SIG_SETMASK, [], [pid 5364] <... futex resumed>) = 0 [pid 5364] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5366] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5366] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5367 attached [pid 5367] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5363] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5363] close(3) = -1 EBADF (Bad file descriptor) [pid 5363] close(4) = -1 EBADF (Bad file descriptor) [pid 5363] close(5) = -1 EBADF (Bad file descriptor) [pid 5363] close(6) = -1 EBADF (Bad file descriptor) [pid 5363] close(7) = -1 EBADF (Bad file descriptor) [pid 5363] close(8) = -1 EBADF (Bad file descriptor) [pid 5363] close(9) = -1 EBADF (Bad file descriptor) [pid 5363] close(10) = -1 EBADF (Bad file descriptor) [pid 5363] close(11) = -1 EBADF (Bad file descriptor) [pid 5363] close(12) = -1 EBADF (Bad file descriptor) [pid 5363] close(13) = -1 EBADF (Bad file descriptor) [pid 5363] close(14) = -1 EBADF (Bad file descriptor) [pid 5363] close(15) = -1 EBADF (Bad file descriptor) [pid 5363] close(16) = -1 EBADF (Bad file descriptor) [pid 5363] close(17) = -1 EBADF (Bad file descriptor) [pid 5363] close(18) = -1 EBADF (Bad file descriptor) [pid 5363] close(19) = -1 EBADF (Bad file descriptor) [pid 5363] close(20) = -1 EBADF (Bad file descriptor) [pid 5363] close(21) = -1 EBADF (Bad file descriptor) [pid 5363] close(22) = -1 EBADF (Bad file descriptor) [pid 5363] close(23) = -1 EBADF (Bad file descriptor) [pid 5363] close(24) = -1 EBADF (Bad file descriptor) [pid 5363] close(25) = -1 EBADF (Bad file descriptor) [pid 5363] close(26) = -1 EBADF (Bad file descriptor) [pid 5363] close(27) = -1 EBADF (Bad file descriptor) [pid 5363] close(28) = -1 EBADF (Bad file descriptor) [pid 5363] close(29) = -1 EBADF (Bad file descriptor) [pid 5363] exit_group(0) = ? [pid 5366] <... clone resumed>) = ? [pid 5364] <... futex resumed>) = ? [pid 5366] +++ exited with 0 +++ [pid 5364] +++ exited with 0 +++ [pid 5363] +++ exited with 0 +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=314, si_uid=0, si_status=0, si_utime=34 /* 0.34 s */, si_stime=114 /* 1.14 s */} --- [pid 5037] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5037] ioctl(3, LOOP_CLR_FD) = 0 [pid 5037] close(3) = 0 [pid 5037] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cdf690) = 318 ./strace-static-x86_64: Process 5369 attached [pid 5369] set_robust_list(0x555555cdf6a0, 24) = 0 [pid 5369] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5369] setpgid(0, 0) = 0 [pid 5369] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5369] write(3, "1000", 4) = 4 [pid 5369] close(3) = 0 [pid 5369] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5369] rt_sigaction(SIGRT_1, {sa_handler=0x7fd0d78ba680, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0d78abd30}, NULL, 8) = 0 [pid 5369] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5369] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d7831000 [pid 5369] mprotect(0x7fd0d7832000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5369] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5369] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d7851990, parent_tid=0x7fd0d7851990, exit_signal=0, stack=0x7fd0d7831000, stack_size=0x20300, tls=0x7fd0d78516c0} => {parent_tid=[319]}, 88) = 319 [pid 5369] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5369] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5370 attached ) = 0 [pid 5369] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5370] rseq(0x7fd0d7851fe0, 0x20, 0, 0x53053053) = 0 [pid 5370] set_robust_list(0x7fd0d78519a0, 24) = 0 [pid 5370] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5370] memfd_create("syzkaller", 0) = 3 [pid 5370] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0cf431000 [ 231.871302][ T5370] syz-executor317[5370]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5370] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 67108864 [pid 5367] +++ killed by SIGSEGV (core dumped) +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=317, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=46 /* 0.46 s */} --- [pid 5037] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5370] <... write resumed>) = 67108864 [pid 5370] munmap(0x7fd0cf431000, 67108864) = 0 [pid 5370] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5370] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5370] ioctl(4, LOOP_CLR_FD) = 0 [pid 5370] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5370] close(4) = 0 [pid 5370] close(3) = 0 [pid 5370] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5369] <... futex resumed>) = 0 [pid 5370] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5369] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5370] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5369] <... futex resumed>) = 0 [pid 5370] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5369] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5369] futex(0x7fd0d792b5fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5369] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5370] <... mmap resumed>) = 0x20000000 [pid 5370] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5370] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5369] <... mmap resumed>) = 0x7fd0d3410000 [pid 5369] mprotect(0x7fd0d3411000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5369] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5369] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d3430990, parent_tid=0x7fd0d3430990, exit_signal=0, stack=0x7fd0d3410000, stack_size=0x20300, tls=0x7fd0d34306c0}./strace-static-x86_64: Process 5373 attached => {parent_tid=[320]}, 88) = 320 [pid 5373] rseq(0x7fd0d3430fe0, 0x20, 0, 0x53053053) = 0 [pid 5369] rt_sigprocmask(SIG_SETMASK, [], [pid 5373] set_robust_list(0x7fd0d34309a0, 24 [pid 5369] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5369] futex(0x7fd0d792b5f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5373] <... set_robust_list resumed>) = 0 [pid 5373] rt_sigprocmask(SIG_SETMASK, [], [pid 5369] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5373] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5373] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5374 attached [pid 5374] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5369] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5369] close(3) = -1 EBADF (Bad file descriptor) [pid 5369] close(4) = -1 EBADF (Bad file descriptor) [pid 5369] close(5) = -1 EBADF (Bad file descriptor) [pid 5369] close(6) = -1 EBADF (Bad file descriptor) [pid 5369] close(7) = -1 EBADF (Bad file descriptor) [pid 5369] close(8) = -1 EBADF (Bad file descriptor) [pid 5369] close(9) = -1 EBADF (Bad file descriptor) [pid 5369] close(10) = -1 EBADF (Bad file descriptor) [pid 5369] close(11) = -1 EBADF (Bad file descriptor) [pid 5369] close(12) = -1 EBADF (Bad file descriptor) [pid 5369] close(13) = -1 EBADF (Bad file descriptor) [pid 5369] close(14) = -1 EBADF (Bad file descriptor) [pid 5369] close(15) = -1 EBADF (Bad file descriptor) [pid 5369] close(16) = -1 EBADF (Bad file descriptor) [pid 5369] close(17) = -1 EBADF (Bad file descriptor) [pid 5369] close(18) = -1 EBADF (Bad file descriptor) [pid 5369] close(19) = -1 EBADF (Bad file descriptor) [pid 5369] close(20) = -1 EBADF (Bad file descriptor) [pid 5369] close(21) = -1 EBADF (Bad file descriptor) [pid 5369] close(22) = -1 EBADF (Bad file descriptor) [pid 5369] close(23) = -1 EBADF (Bad file descriptor) [pid 5369] close(24) = -1 EBADF (Bad file descriptor) [pid 5369] close(25) = -1 EBADF (Bad file descriptor) [pid 5369] close(26) = -1 EBADF (Bad file descriptor) [pid 5369] close(27) = -1 EBADF (Bad file descriptor) [pid 5369] close(28) = -1 EBADF (Bad file descriptor) [pid 5369] close(29) = -1 EBADF (Bad file descriptor) [pid 5369] exit_group(0) = ? [pid 5370] <... futex resumed>) = ? [pid 5373] <... clone resumed>) = ? [pid 5373] +++ exited with 0 +++ [pid 5370] +++ exited with 0 +++ [pid 5369] +++ exited with 0 +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=318, si_uid=0, si_status=0, si_utime=29 /* 0.29 s */, si_stime=119 /* 1.19 s */} --- [pid 5037] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5037] ioctl(3, LOOP_CLR_FD) = 0 [pid 5037] close(3) = 0 [pid 5037] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cdf690) = 322 ./strace-static-x86_64: Process 5375 attached [pid 5375] set_robust_list(0x555555cdf6a0, 24) = 0 [pid 5375] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5375] setpgid(0, 0) = 0 [pid 5375] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5375] write(3, "1000", 4) = 4 [pid 5375] close(3) = 0 [pid 5375] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5375] rt_sigaction(SIGRT_1, {sa_handler=0x7fd0d78ba680, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0d78abd30}, NULL, 8) = 0 [pid 5375] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5375] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d7831000 [pid 5375] mprotect(0x7fd0d7832000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5375] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5375] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d7851990, parent_tid=0x7fd0d7851990, exit_signal=0, stack=0x7fd0d7831000, stack_size=0x20300, tls=0x7fd0d78516c0} => {parent_tid=[323]}, 88) = 323 ./strace-static-x86_64: Process 5376 attached [pid 5375] rt_sigprocmask(SIG_SETMASK, [], [pid 5376] rseq(0x7fd0d7851fe0, 0x20, 0, 0x53053053 [pid 5375] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5375] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5375] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5376] <... rseq resumed>) = 0 [pid 5376] set_robust_list(0x7fd0d78519a0, 24) = 0 [pid 5376] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5376] memfd_create("syzkaller", 0) = 3 [pid 5376] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0cf431000 [ 233.901318][ T5376] syz-executor317[5376]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5374] +++ killed by SIGSEGV (core dumped) +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=321, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=49 /* 0.49 s */} --- [pid 5037] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5376] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 67108864) = 67108864 [pid 5376] munmap(0x7fd0cf431000, 67108864) = 0 [pid 5376] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5376] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5376] ioctl(4, LOOP_CLR_FD) = 0 [pid 5376] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5376] close(4) = 0 [pid 5376] close(3) = 0 [pid 5376] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5375] <... futex resumed>) = 0 [pid 5375] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5375] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5376] <... futex resumed>) = 1 [pid 5376] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5375] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5375] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5375] futex(0x7fd0d792b5fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5375] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d3410000 [pid 5375] mprotect(0x7fd0d3411000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5375] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5375] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d3430990, parent_tid=0x7fd0d3430990, exit_signal=0, stack=0x7fd0d3410000, stack_size=0x20300, tls=0x7fd0d34306c0}./strace-static-x86_64: Process 5377 attached [pid 5377] rseq(0x7fd0d3430fe0, 0x20, 0, 0x53053053 [pid 5375] <... clone3 resumed> => {parent_tid=[324]}, 88) = 324 [pid 5377] <... rseq resumed>) = 0 [pid 5375] rt_sigprocmask(SIG_SETMASK, [], [pid 5377] set_robust_list(0x7fd0d34309a0, 24 [pid 5375] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5377] <... set_robust_list resumed>) = 0 [pid 5375] futex(0x7fd0d792b5f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5377] rt_sigprocmask(SIG_SETMASK, [], [pid 5375] <... futex resumed>) = 0 [pid 5377] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5375] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5377] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO [pid 5376] <... mmap resumed>) = 0x20000000 [pid 5376] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5376] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5378 attached [pid 5378] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5375] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5375] close(3) = -1 EBADF (Bad file descriptor) [pid 5375] close(4) = -1 EBADF (Bad file descriptor) [pid 5375] close(5) = -1 EBADF (Bad file descriptor) [pid 5375] close(6) = -1 EBADF (Bad file descriptor) [pid 5375] close(7) = -1 EBADF (Bad file descriptor) [pid 5375] close(8) = -1 EBADF (Bad file descriptor) [pid 5375] close(9) = -1 EBADF (Bad file descriptor) [pid 5375] close(10) = -1 EBADF (Bad file descriptor) [pid 5375] close(11) = -1 EBADF (Bad file descriptor) [pid 5375] close(12) = -1 EBADF (Bad file descriptor) [pid 5375] close(13) = -1 EBADF (Bad file descriptor) [pid 5375] close(14) = -1 EBADF (Bad file descriptor) [pid 5375] close(15) = -1 EBADF (Bad file descriptor) [pid 5375] close(16) = -1 EBADF (Bad file descriptor) [pid 5375] close(17) = -1 EBADF (Bad file descriptor) [pid 5375] close(18) = -1 EBADF (Bad file descriptor) [pid 5375] close(19) = -1 EBADF (Bad file descriptor) [pid 5375] close(20) = -1 EBADF (Bad file descriptor) [pid 5375] close(21) = -1 EBADF (Bad file descriptor) [pid 5375] close(22) = -1 EBADF (Bad file descriptor) [pid 5375] close(23) = -1 EBADF (Bad file descriptor) [pid 5375] close(24) = -1 EBADF (Bad file descriptor) [pid 5375] close(25) = -1 EBADF (Bad file descriptor) [pid 5375] close(26) = -1 EBADF (Bad file descriptor) [pid 5375] close(27) = -1 EBADF (Bad file descriptor) [pid 5375] close(28) = -1 EBADF (Bad file descriptor) [pid 5375] close(29) = -1 EBADF (Bad file descriptor) [pid 5375] exit_group(0 [pid 5377] <... clone resumed>) = ? [pid 5376] <... futex resumed>) = ? [pid 5375] <... exit_group resumed>) = ? [pid 5376] +++ exited with 0 +++ [pid 5377] +++ exited with 0 +++ [pid 5375] +++ exited with 0 +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=322, si_uid=0, si_status=0, si_utime=31 /* 0.31 s */, si_stime=109 /* 1.09 s */} --- [pid 5037] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5037] ioctl(3, LOOP_CLR_FD) = 0 [pid 5037] close(3) = 0 [pid 5037] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cdf690) = 326 ./strace-static-x86_64: Process 5379 attached [pid 5379] set_robust_list(0x555555cdf6a0, 24) = 0 [pid 5379] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5379] setpgid(0, 0) = 0 [pid 5379] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5379] write(3, "1000", 4) = 4 [pid 5379] close(3) = 0 [pid 5379] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5379] rt_sigaction(SIGRT_1, {sa_handler=0x7fd0d78ba680, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0d78abd30}, NULL, 8) = 0 [pid 5379] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5379] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d7831000 [pid 5379] mprotect(0x7fd0d7832000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5379] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5379] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d7851990, parent_tid=0x7fd0d7851990, exit_signal=0, stack=0x7fd0d7831000, stack_size=0x20300, tls=0x7fd0d78516c0} => {parent_tid=[327]}, 88) = 327 ./strace-static-x86_64: Process 5380 attached [pid 5380] rseq(0x7fd0d7851fe0, 0x20, 0, 0x53053053) = 0 [pid 5380] set_robust_list(0x7fd0d78519a0, 24) = 0 [pid 5380] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5380] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5379] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5379] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5380] <... futex resumed>) = 0 [pid 5380] memfd_create("syzkaller", 0 [pid 5379] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5380] <... memfd_create resumed>) = 3 [pid 5380] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0cf431000 [ 235.927759][ T5380] syz-executor317[5380]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5378] +++ killed by SIGSEGV (core dumped) +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=325, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=47 /* 0.47 s */} --- [pid 5380] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 67108864) = 67108864 [pid 5380] munmap(0x7fd0cf431000, 67108864) = 0 [pid 5380] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5380] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5380] ioctl(4, LOOP_CLR_FD) = 0 [pid 5380] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5380] close(4) = 0 [pid 5380] close(3) = 0 [pid 5380] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5379] <... futex resumed>) = 0 [pid 5380] <... futex resumed>) = 1 [pid 5379] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5380] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5379] <... futex resumed>) = 0 [pid 5379] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5379] futex(0x7fd0d792b5fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5379] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d3410000 [pid 5379] mprotect(0x7fd0d3411000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5379] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5379] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d3430990, parent_tid=0x7fd0d3430990, exit_signal=0, stack=0x7fd0d3410000, stack_size=0x20300, tls=0x7fd0d34306c0} => {parent_tid=[328]}, 88) = 328 [pid 5379] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5379] futex(0x7fd0d792b5f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5379] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5381 attached [pid 5381] rseq(0x7fd0d3430fe0, 0x20, 0, 0x53053053) = 0 [pid 5381] set_robust_list(0x7fd0d34309a0, 24) = 0 [pid 5381] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5381] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO [pid 5380] <... mmap resumed>) = 0x20000000 [pid 5380] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5380] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5382 attached [pid 5382] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5379] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5379] close(3) = -1 EBADF (Bad file descriptor) [pid 5379] close(4) = -1 EBADF (Bad file descriptor) [pid 5379] close(5) = -1 EBADF (Bad file descriptor) [pid 5379] close(6) = -1 EBADF (Bad file descriptor) [pid 5379] close(7) = -1 EBADF (Bad file descriptor) [pid 5379] close(8) = -1 EBADF (Bad file descriptor) [pid 5379] close(9) = -1 EBADF (Bad file descriptor) [pid 5379] close(10) = -1 EBADF (Bad file descriptor) [pid 5379] close(11) = -1 EBADF (Bad file descriptor) [pid 5379] close(12) = -1 EBADF (Bad file descriptor) [pid 5379] close(13) = -1 EBADF (Bad file descriptor) [pid 5379] close(14) = -1 EBADF (Bad file descriptor) [pid 5379] close(15) = -1 EBADF (Bad file descriptor) [pid 5379] close(16) = -1 EBADF (Bad file descriptor) [pid 5379] close(17) = -1 EBADF (Bad file descriptor) [pid 5379] close(18) = -1 EBADF (Bad file descriptor) [pid 5379] close(19) = -1 EBADF (Bad file descriptor) [pid 5379] close(20) = -1 EBADF (Bad file descriptor) [pid 5379] close(21) = -1 EBADF (Bad file descriptor) [pid 5379] close(22) = -1 EBADF (Bad file descriptor) [pid 5379] close(23) = -1 EBADF (Bad file descriptor) [pid 5379] close(24) = -1 EBADF (Bad file descriptor) [pid 5379] close(25) = -1 EBADF (Bad file descriptor) [pid 5379] close(26) = -1 EBADF (Bad file descriptor) [pid 5379] close(27) = -1 EBADF (Bad file descriptor) [pid 5379] close(28) = -1 EBADF (Bad file descriptor) [pid 5379] close(29) = -1 EBADF (Bad file descriptor) [pid 5379] exit_group(0) = ? [pid 5380] <... futex resumed>) = ? [pid 5380] +++ exited with 0 +++ [pid 5381] <... clone resumed>) = ? [pid 5381] +++ exited with 0 +++ [pid 5379] +++ exited with 0 +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=326, si_uid=0, si_status=0, si_utime=32 /* 0.32 s */, si_stime=116 /* 1.16 s */} --- [pid 5037] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5037] ioctl(3, LOOP_CLR_FD) = 0 [pid 5037] close(3) = 0 [pid 5037] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cdf690) = 330 ./strace-static-x86_64: Process 5383 attached [pid 5383] set_robust_list(0x555555cdf6a0, 24) = 0 [pid 5383] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5383] setpgid(0, 0) = 0 [pid 5383] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5383] write(3, "1000", 4) = 4 [pid 5383] close(3) = 0 [pid 5383] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5383] rt_sigaction(SIGRT_1, {sa_handler=0x7fd0d78ba680, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0d78abd30}, NULL, 8) = 0 [pid 5383] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5383] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d7831000 [pid 5383] mprotect(0x7fd0d7832000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5383] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5383] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d7851990, parent_tid=0x7fd0d7851990, exit_signal=0, stack=0x7fd0d7831000, stack_size=0x20300, tls=0x7fd0d78516c0} => {parent_tid=[331]}, 88) = 331 [pid 5383] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5383] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5383] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5384 attached [pid 5384] rseq(0x7fd0d7851fe0, 0x20, 0, 0x53053053) = 0 [pid 5384] set_robust_list(0x7fd0d78519a0, 24) = 0 [pid 5384] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5384] memfd_create("syzkaller", 0) = 3 [pid 5384] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0cf431000 [ 237.981589][ T5384] syz-executor317[5384]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5382] +++ killed by SIGSEGV (core dumped) +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=329, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=49 /* 0.49 s */} --- [pid 5037] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5384] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 67108864) = 67108864 [pid 5384] munmap(0x7fd0cf431000, 67108864) = 0 [pid 5384] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5384] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5384] ioctl(4, LOOP_CLR_FD) = 0 [pid 5384] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5384] close(4) = 0 [pid 5384] close(3) = 0 [pid 5384] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5383] <... futex resumed>) = 0 [pid 5383] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5383] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5384] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5383] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5383] futex(0x7fd0d792b5fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5383] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5384] <... mmap resumed>) = 0x20000000 [pid 5383] <... mmap resumed>) = 0x7fd0d3410000 [pid 5383] mprotect(0x7fd0d3411000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5383] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5383] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d3430990, parent_tid=0x7fd0d3430990, exit_signal=0, stack=0x7fd0d3410000, stack_size=0x20300, tls=0x7fd0d34306c0}./strace-static-x86_64: Process 5385 attached [pid 5385] rseq(0x7fd0d3430fe0, 0x20, 0, 0x53053053 [pid 5383] <... clone3 resumed> => {parent_tid=[332]}, 88) = 332 [pid 5385] <... rseq resumed>) = 0 [pid 5383] rt_sigprocmask(SIG_SETMASK, [], [pid 5385] set_robust_list(0x7fd0d34309a0, 24 [pid 5383] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5385] <... set_robust_list resumed>) = 0 [pid 5383] futex(0x7fd0d792b5f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5385] rt_sigprocmask(SIG_SETMASK, [], [pid 5383] <... futex resumed>) = 0 [pid 5385] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5383] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5385] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO [pid 5384] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 5386 attached [pid 5384] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5386] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5383] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5383] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5383] close(3) = -1 EBADF (Bad file descriptor) [pid 5383] close(4) = -1 EBADF (Bad file descriptor) [pid 5383] close(5) = -1 EBADF (Bad file descriptor) [pid 5383] close(6) = -1 EBADF (Bad file descriptor) [pid 5383] close(7) = -1 EBADF (Bad file descriptor) [pid 5383] close(8) = -1 EBADF (Bad file descriptor) [pid 5383] close(9) = -1 EBADF (Bad file descriptor) [pid 5383] close(10) = -1 EBADF (Bad file descriptor) [pid 5383] close(11) = -1 EBADF (Bad file descriptor) [pid 5383] close(12) = -1 EBADF (Bad file descriptor) [pid 5383] close(13) = -1 EBADF (Bad file descriptor) [pid 5383] close(14) = -1 EBADF (Bad file descriptor) [pid 5383] close(15) = -1 EBADF (Bad file descriptor) [pid 5383] close(16) = -1 EBADF (Bad file descriptor) [pid 5383] close(17) = -1 EBADF (Bad file descriptor) [pid 5383] close(18) = -1 EBADF (Bad file descriptor) [pid 5383] close(19) = -1 EBADF (Bad file descriptor) [pid 5383] close(20) = -1 EBADF (Bad file descriptor) [pid 5383] close(21) = -1 EBADF (Bad file descriptor) [pid 5383] close(22) = -1 EBADF (Bad file descriptor) [pid 5383] close(23) = -1 EBADF (Bad file descriptor) [pid 5383] close(24) = -1 EBADF (Bad file descriptor) [pid 5383] close(25) = -1 EBADF (Bad file descriptor) [pid 5383] close(26) = -1 EBADF (Bad file descriptor) [pid 5383] close(27) = -1 EBADF (Bad file descriptor) [pid 5383] close(28) = -1 EBADF (Bad file descriptor) [pid 5383] close(29) = -1 EBADF (Bad file descriptor) [pid 5383] exit_group(0) = ? [pid 5385] <... clone resumed>) = ? [pid 5384] <... futex resumed>) = ? [pid 5385] +++ exited with 0 +++ [pid 5384] +++ exited with 0 +++ [pid 5383] +++ exited with 0 +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=330, si_uid=0, si_status=0, si_utime=28 /* 0.28 s */, si_stime=120 /* 1.20 s */} --- [pid 5037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5037] ioctl(3, LOOP_CLR_FD) = 0 [pid 5037] close(3) = 0 [pid 5037] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5387 attached , child_tidptr=0x555555cdf690) = 334 [pid 5387] set_robust_list(0x555555cdf6a0, 24) = 0 [pid 5387] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5387] setpgid(0, 0) = 0 [pid 5387] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5387] write(3, "1000", 4) = 4 [pid 5387] close(3) = 0 [pid 5387] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5387] rt_sigaction(SIGRT_1, {sa_handler=0x7fd0d78ba680, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0d78abd30}, NULL, 8) = 0 [pid 5387] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5387] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d7831000 [pid 5387] mprotect(0x7fd0d7832000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5387] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5387] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d7851990, parent_tid=0x7fd0d7851990, exit_signal=0, stack=0x7fd0d7831000, stack_size=0x20300, tls=0x7fd0d78516c0}./strace-static-x86_64: Process 5388 attached [pid 5388] rseq(0x7fd0d7851fe0, 0x20, 0, 0x53053053 [pid 5387] <... clone3 resumed> => {parent_tid=[335]}, 88) = 335 [pid 5388] <... rseq resumed>) = 0 [pid 5387] rt_sigprocmask(SIG_SETMASK, [], [pid 5388] set_robust_list(0x7fd0d78519a0, 24 [pid 5387] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5388] <... set_robust_list resumed>) = 0 [pid 5388] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5388] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5387] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5388] <... futex resumed>) = 0 [pid 5387] <... futex resumed>) = 1 [pid 5388] memfd_create("syzkaller", 0 [pid 5387] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5388] <... memfd_create resumed>) = 3 [pid 5388] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0cf431000 [ 240.112130][ T5388] syz-executor317[5388]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5386] +++ killed by SIGSEGV (core dumped) +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=333, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=51 /* 0.51 s */} --- [pid 5037] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5388] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 67108864) = 67108864 [pid 5388] munmap(0x7fd0cf431000, 67108864) = 0 [pid 5388] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5388] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5388] ioctl(4, LOOP_CLR_FD) = 0 [pid 5388] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5388] close(4) = 0 [pid 5388] close(3) = 0 [pid 5388] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5387] <... futex resumed>) = 0 [pid 5387] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5387] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5388] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5387] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5387] futex(0x7fd0d792b5fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5387] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5388] <... mmap resumed>) = 0x20000000 [pid 5387] <... mmap resumed>) = 0x7fd0d3410000 [pid 5387] mprotect(0x7fd0d3411000, 131072, PROT_READ|PROT_WRITE [pid 5388] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5387] <... mprotect resumed>) = 0 [pid 5387] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5387] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d3430990, parent_tid=0x7fd0d3430990, exit_signal=0, stack=0x7fd0d3410000, stack_size=0x20300, tls=0x7fd0d34306c0}./strace-static-x86_64: Process 5389 attached [pid 5388] <... futex resumed>) = 0 [pid 5389] rseq(0x7fd0d3430fe0, 0x20, 0, 0x53053053 [pid 5387] <... clone3 resumed> => {parent_tid=[336]}, 88) = 336 [pid 5388] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5389] <... rseq resumed>) = 0 [pid 5387] rt_sigprocmask(SIG_SETMASK, [], [pid 5389] set_robust_list(0x7fd0d34309a0, 24 [pid 5387] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5389] <... set_robust_list resumed>) = 0 [pid 5389] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5387] futex(0x7fd0d792b5f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5389] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO [pid 5387] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5390 attached [pid 5390] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5387] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5387] close(3) = -1 EBADF (Bad file descriptor) [pid 5387] close(4) = -1 EBADF (Bad file descriptor) [pid 5387] close(5) = -1 EBADF (Bad file descriptor) [pid 5387] close(6) = -1 EBADF (Bad file descriptor) [pid 5387] close(7) = -1 EBADF (Bad file descriptor) [pid 5387] close(8) = -1 EBADF (Bad file descriptor) [pid 5387] close(9) = -1 EBADF (Bad file descriptor) [pid 5387] close(10) = -1 EBADF (Bad file descriptor) [pid 5387] close(11) = -1 EBADF (Bad file descriptor) [pid 5387] close(12) = -1 EBADF (Bad file descriptor) [pid 5387] close(13) = -1 EBADF (Bad file descriptor) [pid 5387] close(14) = -1 EBADF (Bad file descriptor) [pid 5387] close(15) = -1 EBADF (Bad file descriptor) [pid 5387] close(16) = -1 EBADF (Bad file descriptor) [pid 5387] close(17) = -1 EBADF (Bad file descriptor) [pid 5387] close(18) = -1 EBADF (Bad file descriptor) [pid 5387] close(19) = -1 EBADF (Bad file descriptor) [pid 5387] close(20) = -1 EBADF (Bad file descriptor) [pid 5387] close(21) = -1 EBADF (Bad file descriptor) [pid 5387] close(22) = -1 EBADF (Bad file descriptor) [pid 5387] close(23) = -1 EBADF (Bad file descriptor) [pid 5387] close(24) = -1 EBADF (Bad file descriptor) [pid 5387] close(25) = -1 EBADF (Bad file descriptor) [pid 5387] close(26) = -1 EBADF (Bad file descriptor) [pid 5387] close(27) = -1 EBADF (Bad file descriptor) [pid 5387] close(28) = -1 EBADF (Bad file descriptor) [pid 5387] close(29) = -1 EBADF (Bad file descriptor) [pid 5387] exit_group(0) = ? [pid 5389] <... clone resumed>) = ? [pid 5389] +++ exited with 0 +++ [pid 5388] <... futex resumed>) = ? [pid 5388] +++ exited with 0 +++ [pid 5387] +++ exited with 0 +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=334, si_uid=0, si_status=0, si_utime=22 /* 0.22 s */, si_stime=119 /* 1.19 s */} --- [pid 5037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5037] ioctl(3, LOOP_CLR_FD) = 0 [pid 5037] close(3) = 0 [pid 5037] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5391 attached [pid 5391] set_robust_list(0x555555cdf6a0, 24 [pid 5037] <... clone resumed>, child_tidptr=0x555555cdf690) = 338 [pid 5391] <... set_robust_list resumed>) = 0 [pid 5391] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5391] setpgid(0, 0) = 0 [pid 5391] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5391] write(3, "1000", 4) = 4 [pid 5391] close(3) = 0 [pid 5391] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5391] rt_sigaction(SIGRT_1, {sa_handler=0x7fd0d78ba680, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0d78abd30}, NULL, 8) = 0 [pid 5391] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5391] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d7831000 [pid 5391] mprotect(0x7fd0d7832000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5391] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5391] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d7851990, parent_tid=0x7fd0d7851990, exit_signal=0, stack=0x7fd0d7831000, stack_size=0x20300, tls=0x7fd0d78516c0}./strace-static-x86_64: Process 5392 attached => {parent_tid=[339]}, 88) = 339 [pid 5392] rseq(0x7fd0d7851fe0, 0x20, 0, 0x53053053 [pid 5391] rt_sigprocmask(SIG_SETMASK, [], [pid 5392] <... rseq resumed>) = 0 [pid 5391] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5392] set_robust_list(0x7fd0d78519a0, 24) = 0 [pid 5391] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5392] rt_sigprocmask(SIG_SETMASK, [], [pid 5391] <... futex resumed>) = 0 [pid 5392] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5391] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5392] memfd_create("syzkaller", 0) = 3 [pid 5392] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0cf431000 [ 242.161418][ T5392] syz-executor317[5392]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5390] +++ killed by SIGSEGV (core dumped) +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=337, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=54 /* 0.54 s */} --- [pid 5037] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5392] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 67108864) = 67108864 [pid 5392] munmap(0x7fd0cf431000, 67108864) = 0 [pid 5392] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5392] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5392] ioctl(4, LOOP_CLR_FD) = 0 [pid 5392] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5392] close(4) = 0 [pid 5392] close(3) = 0 [pid 5392] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5392] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5391] <... futex resumed>) = 0 [pid 5391] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5391] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5392] <... futex resumed>) = 0 [pid 5392] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5391] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5391] futex(0x7fd0d792b5fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5391] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d3410000 [pid 5391] mprotect(0x7fd0d3411000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5391] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5391] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d3430990, parent_tid=0x7fd0d3430990, exit_signal=0, stack=0x7fd0d3410000, stack_size=0x20300, tls=0x7fd0d34306c0} => {parent_tid=[340]}, 88) = 340 [pid 5391] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5391] futex(0x7fd0d792b5f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5391] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5392] <... mmap resumed>) = 0x20000000 [pid 5392] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5392] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5393 attached [pid 5393] rseq(0x7fd0d3430fe0, 0x20, 0, 0x53053053) = 0 [pid 5393] set_robust_list(0x7fd0d34309a0, 24) = 0 [pid 5393] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5393] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5394 attached [pid 5394] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5391] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5391] close(3) = -1 EBADF (Bad file descriptor) [pid 5391] close(4) = -1 EBADF (Bad file descriptor) [pid 5391] close(5) = -1 EBADF (Bad file descriptor) [pid 5391] close(6) = -1 EBADF (Bad file descriptor) [pid 5391] close(7) = -1 EBADF (Bad file descriptor) [pid 5391] close(8) = -1 EBADF (Bad file descriptor) [pid 5391] close(9) = -1 EBADF (Bad file descriptor) [pid 5391] close(10) = -1 EBADF (Bad file descriptor) [pid 5391] close(11) = -1 EBADF (Bad file descriptor) [pid 5391] close(12) = -1 EBADF (Bad file descriptor) [pid 5391] close(13) = -1 EBADF (Bad file descriptor) [pid 5391] close(14) = -1 EBADF (Bad file descriptor) [pid 5391] close(15) = -1 EBADF (Bad file descriptor) [pid 5391] close(16) = -1 EBADF (Bad file descriptor) [pid 5391] close(17) = -1 EBADF (Bad file descriptor) [pid 5391] close(18) = -1 EBADF (Bad file descriptor) [pid 5391] close(19) = -1 EBADF (Bad file descriptor) [pid 5391] close(20) = -1 EBADF (Bad file descriptor) [pid 5391] close(21) = -1 EBADF (Bad file descriptor) [pid 5391] close(22) = -1 EBADF (Bad file descriptor) [pid 5391] close(23) = -1 EBADF (Bad file descriptor) [pid 5391] close(24) = -1 EBADF (Bad file descriptor) [pid 5391] close(25) = -1 EBADF (Bad file descriptor) [pid 5391] close(26) = -1 EBADF (Bad file descriptor) [pid 5391] close(27) = -1 EBADF (Bad file descriptor) [pid 5391] close(28) = -1 EBADF (Bad file descriptor) [pid 5391] close(29) = -1 EBADF (Bad file descriptor) [pid 5391] exit_group(0) = ? [pid 5393] <... clone resumed>) = ? [pid 5392] <... futex resumed>) = ? [pid 5392] +++ exited with 0 +++ [pid 5393] +++ exited with 0 +++ [pid 5391] +++ exited with 0 +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=338, si_uid=0, si_status=0, si_utime=29 /* 0.29 s */, si_stime=118 /* 1.18 s */} --- [pid 5037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5037] ioctl(3, LOOP_CLR_FD) = 0 [pid 5037] close(3) = 0 [pid 5037] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cdf690) = 342 ./strace-static-x86_64: Process 5395 attached [pid 5395] set_robust_list(0x555555cdf6a0, 24) = 0 [pid 5395] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5395] setpgid(0, 0) = 0 [pid 5395] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5395] write(3, "1000", 4) = 4 [pid 5395] close(3) = 0 [pid 5395] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5395] rt_sigaction(SIGRT_1, {sa_handler=0x7fd0d78ba680, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0d78abd30}, NULL, 8) = 0 [pid 5395] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5395] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d7831000 [pid 5395] mprotect(0x7fd0d7832000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5395] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5395] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d7851990, parent_tid=0x7fd0d7851990, exit_signal=0, stack=0x7fd0d7831000, stack_size=0x20300, tls=0x7fd0d78516c0}./strace-static-x86_64: Process 5396 attached => {parent_tid=[343]}, 88) = 343 [pid 5396] rseq(0x7fd0d7851fe0, 0x20, 0, 0x53053053 [pid 5395] rt_sigprocmask(SIG_SETMASK, [], [pid 5396] <... rseq resumed>) = 0 [pid 5395] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5396] set_robust_list(0x7fd0d78519a0, 24 [pid 5395] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5396] <... set_robust_list resumed>) = 0 [pid 5395] <... futex resumed>) = 0 [pid 5396] rt_sigprocmask(SIG_SETMASK, [], [pid 5395] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5396] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5396] memfd_create("syzkaller", 0) = 3 [pid 5396] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0cf431000 [ 244.296561][ T5396] syz-executor317[5396]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5394] +++ killed by SIGSEGV (core dumped) +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=341, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=52 /* 0.52 s */} --- [pid 5037] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5396] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 67108864) = 67108864 [pid 5396] munmap(0x7fd0cf431000, 67108864) = 0 [pid 5396] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5396] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5396] ioctl(4, LOOP_CLR_FD) = 0 [pid 5396] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5396] close(4) = 0 [pid 5396] close(3) = 0 [pid 5396] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5395] <... futex resumed>) = 0 [pid 5395] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5395] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5396] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5395] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5395] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5395] futex(0x7fd0d792b5fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5395] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5396] <... mmap resumed>) = 0x20000000 [pid 5395] <... mmap resumed>) = 0x7fd0d3410000 [pid 5395] mprotect(0x7fd0d3411000, 131072, PROT_READ|PROT_WRITE [pid 5396] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5395] <... mprotect resumed>) = 0 [pid 5395] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5396] <... futex resumed>) = 0 [pid 5395] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5395] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d3430990, parent_tid=0x7fd0d3430990, exit_signal=0, stack=0x7fd0d3410000, stack_size=0x20300, tls=0x7fd0d34306c0} [pid 5396] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5397 attached [pid 5397] rseq(0x7fd0d3430fe0, 0x20, 0, 0x53053053 [pid 5395] <... clone3 resumed> => {parent_tid=[344]}, 88) = 344 [pid 5397] <... rseq resumed>) = 0 [pid 5397] set_robust_list(0x7fd0d34309a0, 24) = 0 [pid 5397] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5397] futex(0x7fd0d792b5f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5395] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5395] futex(0x7fd0d792b5f8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5395] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5397] <... futex resumed>) = 0 [pid 5397] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5398 attached [pid 5398] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5395] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5395] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5395] close(3) = -1 EBADF (Bad file descriptor) [pid 5395] close(4) = -1 EBADF (Bad file descriptor) [pid 5395] close(5) = -1 EBADF (Bad file descriptor) [pid 5395] close(6) = -1 EBADF (Bad file descriptor) [pid 5395] close(7) = -1 EBADF (Bad file descriptor) [pid 5395] close(8) = -1 EBADF (Bad file descriptor) [pid 5395] close(9) = -1 EBADF (Bad file descriptor) [pid 5395] close(10) = -1 EBADF (Bad file descriptor) [pid 5395] close(11) = -1 EBADF (Bad file descriptor) [pid 5395] close(12) = -1 EBADF (Bad file descriptor) [pid 5395] close(13) = -1 EBADF (Bad file descriptor) [pid 5395] close(14) = -1 EBADF (Bad file descriptor) [pid 5395] close(15) = -1 EBADF (Bad file descriptor) [pid 5395] close(16) = -1 EBADF (Bad file descriptor) [pid 5395] close(17) = -1 EBADF (Bad file descriptor) [pid 5395] close(18) = -1 EBADF (Bad file descriptor) [pid 5395] close(19) = -1 EBADF (Bad file descriptor) [pid 5395] close(20) = -1 EBADF (Bad file descriptor) [pid 5395] close(21) = -1 EBADF (Bad file descriptor) [pid 5395] close(22) = -1 EBADF (Bad file descriptor) [pid 5395] close(23) = -1 EBADF (Bad file descriptor) [pid 5395] close(24) = -1 EBADF (Bad file descriptor) [pid 5395] close(25) = -1 EBADF (Bad file descriptor) [pid 5395] close(26) = -1 EBADF (Bad file descriptor) [pid 5395] close(27) = -1 EBADF (Bad file descriptor) [pid 5395] close(28) = -1 EBADF (Bad file descriptor) [pid 5395] close(29) = -1 EBADF (Bad file descriptor) [pid 5395] exit_group(0) = ? [pid 5396] <... futex resumed>) = ? [pid 5396] +++ exited with 0 +++ [pid 5397] <... clone resumed>) = ? [pid 5397] +++ exited with 0 +++ [pid 5395] +++ exited with 0 +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=342, si_uid=0, si_status=0, si_utime=29 /* 0.29 s */, si_stime=114 /* 1.14 s */} --- [pid 5037] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5037] ioctl(3, LOOP_CLR_FD) = 0 [pid 5037] close(3) = 0 [pid 5037] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5399 attached [pid 5399] set_robust_list(0x555555cdf6a0, 24 [pid 5037] <... clone resumed>, child_tidptr=0x555555cdf690) = 346 [pid 5399] <... set_robust_list resumed>) = 0 [pid 5399] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5399] setpgid(0, 0) = 0 [pid 5399] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5399] write(3, "1000", 4) = 4 [pid 5399] close(3) = 0 [pid 5399] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5399] rt_sigaction(SIGRT_1, {sa_handler=0x7fd0d78ba680, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0d78abd30}, NULL, 8) = 0 [pid 5399] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5399] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d7831000 [pid 5399] mprotect(0x7fd0d7832000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5399] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5399] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d7851990, parent_tid=0x7fd0d7851990, exit_signal=0, stack=0x7fd0d7831000, stack_size=0x20300, tls=0x7fd0d78516c0}./strace-static-x86_64: Process 5400 attached => {parent_tid=[347]}, 88) = 347 [pid 5399] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5399] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5399] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5400] rseq(0x7fd0d7851fe0, 0x20, 0, 0x53053053) = 0 [pid 5400] set_robust_list(0x7fd0d78519a0, 24) = 0 [pid 5400] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5400] memfd_create("syzkaller", 0) = 3 [pid 5400] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0cf431000 [ 246.572244][ T5400] syz-executor317[5400]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5398] +++ killed by SIGSEGV (core dumped) +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=345, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=45 /* 0.45 s */} --- [pid 5400] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 67108864) = 67108864 [pid 5400] munmap(0x7fd0cf431000, 67108864) = 0 [pid 5400] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5400] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5400] ioctl(4, LOOP_CLR_FD) = 0 [pid 5400] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5400] close(4) = 0 [pid 5400] close(3) = 0 [pid 5400] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5399] <... futex resumed>) = 0 [pid 5399] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5399] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5400] <... futex resumed>) = 1 [pid 5400] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5399] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5399] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5399] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5399] futex(0x7fd0d792b5fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5399] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d3410000 [pid 5399] mprotect(0x7fd0d3411000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5399] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5399] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d3430990, parent_tid=0x7fd0d3430990, exit_signal=0, stack=0x7fd0d3410000, stack_size=0x20300, tls=0x7fd0d34306c0} => {parent_tid=[348]}, 88) = 348 [pid 5400] <... mmap resumed>) = 0x20000000 [pid 5400] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5400] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5399] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5399] futex(0x7fd0d792b5f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5399] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5401 attached [pid 5401] rseq(0x7fd0d3430fe0, 0x20, 0, 0x53053053) = 0 [pid 5401] set_robust_list(0x7fd0d34309a0, 24) = 0 [pid 5401] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5401] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5402 attached [pid 5402] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5399] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5399] close(3) = -1 EBADF (Bad file descriptor) [pid 5399] close(4) = -1 EBADF (Bad file descriptor) [pid 5399] close(5) = -1 EBADF (Bad file descriptor) [pid 5399] close(6) = -1 EBADF (Bad file descriptor) [pid 5399] close(7) = -1 EBADF (Bad file descriptor) [pid 5399] close(8) = -1 EBADF (Bad file descriptor) [pid 5399] close(9) = -1 EBADF (Bad file descriptor) [pid 5399] close(10) = -1 EBADF (Bad file descriptor) [pid 5399] close(11) = -1 EBADF (Bad file descriptor) [pid 5399] close(12) = -1 EBADF (Bad file descriptor) [pid 5399] close(13) = -1 EBADF (Bad file descriptor) [pid 5399] close(14) = -1 EBADF (Bad file descriptor) [pid 5399] close(15) = -1 EBADF (Bad file descriptor) [pid 5399] close(16) = -1 EBADF (Bad file descriptor) [pid 5399] close(17) = -1 EBADF (Bad file descriptor) [pid 5399] close(18) = -1 EBADF (Bad file descriptor) [pid 5399] close(19) = -1 EBADF (Bad file descriptor) [pid 5399] close(20) = -1 EBADF (Bad file descriptor) [pid 5399] close(21) = -1 EBADF (Bad file descriptor) [pid 5399] close(22) = -1 EBADF (Bad file descriptor) [pid 5399] close(23) = -1 EBADF (Bad file descriptor) [pid 5399] close(24) = -1 EBADF (Bad file descriptor) [pid 5399] close(25) = -1 EBADF (Bad file descriptor) [pid 5399] close(26) = -1 EBADF (Bad file descriptor) [pid 5399] close(27) = -1 EBADF (Bad file descriptor) [pid 5399] close(28) = -1 EBADF (Bad file descriptor) [pid 5399] close(29) = -1 EBADF (Bad file descriptor) [pid 5399] exit_group(0) = ? [pid 5401] <... clone resumed>) = ? [pid 5400] <... futex resumed>) = ? [pid 5401] +++ exited with 0 +++ [pid 5400] +++ exited with 0 +++ [pid 5399] +++ exited with 0 +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=346, si_uid=0, si_status=0, si_utime=19 /* 0.19 s */, si_stime=124 /* 1.24 s */} --- [pid 5037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5037] ioctl(3, LOOP_CLR_FD) = 0 [pid 5037] close(3) = 0 [pid 5037] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cdf690) = 350 ./strace-static-x86_64: Process 5403 attached [pid 5403] set_robust_list(0x555555cdf6a0, 24) = 0 [pid 5403] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5403] setpgid(0, 0) = 0 [pid 5403] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5403] write(3, "1000", 4) = 4 [pid 5403] close(3) = 0 [pid 5403] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5403] rt_sigaction(SIGRT_1, {sa_handler=0x7fd0d78ba680, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0d78abd30}, NULL, 8) = 0 [pid 5403] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5403] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d7831000 [pid 5403] mprotect(0x7fd0d7832000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5403] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5403] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d7851990, parent_tid=0x7fd0d7851990, exit_signal=0, stack=0x7fd0d7831000, stack_size=0x20300, tls=0x7fd0d78516c0}./strace-static-x86_64: Process 5404 attached [pid 5404] rseq(0x7fd0d7851fe0, 0x20, 0, 0x53053053) = 0 [pid 5403] <... clone3 resumed> => {parent_tid=[351]}, 88) = 351 [pid 5404] set_robust_list(0x7fd0d78519a0, 24 [pid 5403] rt_sigprocmask(SIG_SETMASK, [], [pid 5404] <... set_robust_list resumed>) = 0 [pid 5403] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5403] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5404] rt_sigprocmask(SIG_SETMASK, [], [pid 5403] <... futex resumed>) = 0 [pid 5404] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5404] memfd_create("syzkaller", 0 [pid 5403] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5404] <... memfd_create resumed>) = 3 [pid 5404] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0cf431000 [ 248.604403][ T5404] syz-executor317[5404]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5402] +++ killed by SIGSEGV (core dumped) +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=349, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=50 /* 0.50 s */} --- [pid 5404] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 67108864) = 67108864 [pid 5404] munmap(0x7fd0cf431000, 67108864) = 0 [pid 5404] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5404] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5404] ioctl(4, LOOP_CLR_FD) = 0 [pid 5404] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5404] close(4) = 0 [pid 5404] close(3) = 0 [pid 5404] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5403] <... futex resumed>) = 0 [pid 5404] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5403] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5404] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5403] <... futex resumed>) = 0 [pid 5404] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5403] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5403] futex(0x7fd0d792b5fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5403] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5404] <... mmap resumed>) = 0x20000000 [pid 5404] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5404] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5403] <... mmap resumed>) = 0x7fd0d3410000 [pid 5403] mprotect(0x7fd0d3411000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5403] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5403] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d3430990, parent_tid=0x7fd0d3430990, exit_signal=0, stack=0x7fd0d3410000, stack_size=0x20300, tls=0x7fd0d34306c0} => {parent_tid=[352]}, 88) = 352 ./strace-static-x86_64: Process 5405 attached [pid 5405] rseq(0x7fd0d3430fe0, 0x20, 0, 0x53053053 [pid 5403] rt_sigprocmask(SIG_SETMASK, [], [pid 5405] <... rseq resumed>) = 0 [pid 5405] set_robust_list(0x7fd0d34309a0, 24 [pid 5403] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5403] futex(0x7fd0d792b5f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5403] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5405] <... set_robust_list resumed>) = 0 [pid 5405] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5405] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5406 attached [pid 5406] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5403] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5403] close(3) = -1 EBADF (Bad file descriptor) [pid 5403] close(4) = -1 EBADF (Bad file descriptor) [pid 5403] close(5) = -1 EBADF (Bad file descriptor) [pid 5403] close(6) = -1 EBADF (Bad file descriptor) [pid 5403] close(7) = -1 EBADF (Bad file descriptor) [pid 5403] close(8) = -1 EBADF (Bad file descriptor) [pid 5403] close(9) = -1 EBADF (Bad file descriptor) [pid 5403] close(10) = -1 EBADF (Bad file descriptor) [pid 5403] close(11) = -1 EBADF (Bad file descriptor) [pid 5403] close(12) = -1 EBADF (Bad file descriptor) [pid 5403] close(13) = -1 EBADF (Bad file descriptor) [pid 5403] close(14) = -1 EBADF (Bad file descriptor) [pid 5403] close(15) = -1 EBADF (Bad file descriptor) [pid 5403] close(16) = -1 EBADF (Bad file descriptor) [pid 5403] close(17) = -1 EBADF (Bad file descriptor) [pid 5403] close(18) = -1 EBADF (Bad file descriptor) [pid 5403] close(19) = -1 EBADF (Bad file descriptor) [pid 5403] close(20) = -1 EBADF (Bad file descriptor) [pid 5403] close(21) = -1 EBADF (Bad file descriptor) [pid 5403] close(22) = -1 EBADF (Bad file descriptor) [pid 5403] close(23) = -1 EBADF (Bad file descriptor) [pid 5403] close(24) = -1 EBADF (Bad file descriptor) [pid 5403] close(25) = -1 EBADF (Bad file descriptor) [pid 5403] close(26) = -1 EBADF (Bad file descriptor) [pid 5403] close(27) = -1 EBADF (Bad file descriptor) [pid 5403] close(28) = -1 EBADF (Bad file descriptor) [pid 5403] close(29) = -1 EBADF (Bad file descriptor) [pid 5403] exit_group(0 [pid 5405] <... clone resumed>) = ? [pid 5403] <... exit_group resumed>) = ? [pid 5405] +++ exited with 0 +++ [pid 5404] <... futex resumed>) = ? [pid 5404] +++ exited with 0 +++ [pid 5403] +++ exited with 0 +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=350, si_uid=0, si_status=0, si_utime=31 /* 0.31 s */, si_stime=116 /* 1.16 s */} --- [pid 5037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5037] ioctl(3, LOOP_CLR_FD) = 0 [pid 5037] close(3) = 0 [pid 5037] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5407 attached , child_tidptr=0x555555cdf690) = 354 [pid 5407] set_robust_list(0x555555cdf6a0, 24) = 0 [pid 5407] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5407] setpgid(0, 0) = 0 [pid 5407] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5407] write(3, "1000", 4) = 4 [pid 5407] close(3) = 0 [pid 5407] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5407] rt_sigaction(SIGRT_1, {sa_handler=0x7fd0d78ba680, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0d78abd30}, NULL, 8) = 0 [pid 5407] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5407] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d7831000 [pid 5407] mprotect(0x7fd0d7832000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5407] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5407] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d7851990, parent_tid=0x7fd0d7851990, exit_signal=0, stack=0x7fd0d7831000, stack_size=0x20300, tls=0x7fd0d78516c0} => {parent_tid=[355]}, 88) = 355 [pid 5407] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5407] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5407] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5408 attached [pid 5408] rseq(0x7fd0d7851fe0, 0x20, 0, 0x53053053) = 0 [pid 5408] set_robust_list(0x7fd0d78519a0, 24) = 0 [pid 5408] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5408] memfd_create("syzkaller", 0) = 3 [pid 5408] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0cf431000 [ 250.727135][ T5408] syz-executor317[5408]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5406] +++ killed by SIGSEGV (core dumped) +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=353, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=53 /* 0.53 s */} --- [pid 5037] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5408] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 67108864) = 67108864 [pid 5408] munmap(0x7fd0cf431000, 67108864) = 0 [pid 5408] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5408] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5408] ioctl(4, LOOP_CLR_FD) = 0 [pid 5408] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5408] close(4) = 0 [pid 5408] close(3) = 0 [pid 5408] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5407] <... futex resumed>) = 0 [pid 5408] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5407] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5408] <... futex resumed>) = 0 [pid 5407] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5408] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5407] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5407] futex(0x7fd0d792b5fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5407] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d3410000 [pid 5407] mprotect(0x7fd0d3411000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5407] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5407] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d3430990, parent_tid=0x7fd0d3430990, exit_signal=0, stack=0x7fd0d3410000, stack_size=0x20300, tls=0x7fd0d34306c0} => {parent_tid=[356]}, 88) = 356 ./strace-static-x86_64: Process 5409 attached [pid 5407] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5407] futex(0x7fd0d792b5f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5407] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5408] <... mmap resumed>) = 0x20000000 [pid 5408] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5408] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5409] rseq(0x7fd0d3430fe0, 0x20, 0, 0x53053053) = 0 [pid 5409] set_robust_list(0x7fd0d34309a0, 24) = 0 [pid 5409] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5409] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5410 attached [pid 5410] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5407] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5407] close(3) = -1 EBADF (Bad file descriptor) [pid 5407] close(4) = -1 EBADF (Bad file descriptor) [pid 5407] close(5) = -1 EBADF (Bad file descriptor) [pid 5407] close(6) = -1 EBADF (Bad file descriptor) [pid 5407] close(7) = -1 EBADF (Bad file descriptor) [pid 5407] close(8) = -1 EBADF (Bad file descriptor) [pid 5407] close(9) = -1 EBADF (Bad file descriptor) [pid 5407] close(10) = -1 EBADF (Bad file descriptor) [pid 5407] close(11) = -1 EBADF (Bad file descriptor) [pid 5407] close(12) = -1 EBADF (Bad file descriptor) [pid 5407] close(13) = -1 EBADF (Bad file descriptor) [pid 5407] close(14) = -1 EBADF (Bad file descriptor) [pid 5407] close(15) = -1 EBADF (Bad file descriptor) [pid 5407] close(16) = -1 EBADF (Bad file descriptor) [pid 5407] close(17) = -1 EBADF (Bad file descriptor) [pid 5407] close(18) = -1 EBADF (Bad file descriptor) [pid 5407] close(19) = -1 EBADF (Bad file descriptor) [pid 5407] close(20) = -1 EBADF (Bad file descriptor) [pid 5407] close(21) = -1 EBADF (Bad file descriptor) [pid 5407] close(22) = -1 EBADF (Bad file descriptor) [pid 5407] close(23) = -1 EBADF (Bad file descriptor) [pid 5407] close(24) = -1 EBADF (Bad file descriptor) [pid 5407] close(25) = -1 EBADF (Bad file descriptor) [pid 5407] close(26) = -1 EBADF (Bad file descriptor) [pid 5407] close(27) = -1 EBADF (Bad file descriptor) [pid 5407] close(28) = -1 EBADF (Bad file descriptor) [pid 5407] close(29) = -1 EBADF (Bad file descriptor) [pid 5407] exit_group(0) = ? [pid 5408] <... futex resumed>) = ? [pid 5409] <... clone resumed>) = ? [pid 5409] +++ exited with 0 +++ [pid 5408] +++ exited with 0 +++ [pid 5407] +++ exited with 0 +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=354, si_uid=0, si_status=0, si_utime=29 /* 0.29 s */, si_stime=118 /* 1.18 s */} --- [pid 5037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5037] ioctl(3, LOOP_CLR_FD) = 0 [pid 5037] close(3) = 0 [pid 5037] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5411 attached [pid 5411] set_robust_list(0x555555cdf6a0, 24 [pid 5037] <... clone resumed>, child_tidptr=0x555555cdf690) = 358 [pid 5411] <... set_robust_list resumed>) = 0 [pid 5411] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5411] setpgid(0, 0) = 0 [pid 5411] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5411] write(3, "1000", 4) = 4 [pid 5411] close(3) = 0 [pid 5411] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5411] rt_sigaction(SIGRT_1, {sa_handler=0x7fd0d78ba680, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0d78abd30}, NULL, 8) = 0 [pid 5411] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5411] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d7831000 [pid 5411] mprotect(0x7fd0d7832000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5411] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5411] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d7851990, parent_tid=0x7fd0d7851990, exit_signal=0, stack=0x7fd0d7831000, stack_size=0x20300, tls=0x7fd0d78516c0} => {parent_tid=[359]}, 88) = 359 ./strace-static-x86_64: Process 5412 attached [pid 5411] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5412] rseq(0x7fd0d7851fe0, 0x20, 0, 0x53053053 [pid 5411] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5412] <... rseq resumed>) = 0 [pid 5411] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5412] set_robust_list(0x7fd0d78519a0, 24) = 0 [pid 5412] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5412] memfd_create("syzkaller", 0) = 3 [pid 5412] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0cf431000 [ 252.908160][ T5412] syz-executor317[5412]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5410] +++ killed by SIGSEGV (core dumped) +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=357, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=46 /* 0.46 s */} --- [pid 5412] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 67108864) = 67108864 [pid 5412] munmap(0x7fd0cf431000, 67108864) = 0 [pid 5412] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5412] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5412] ioctl(4, LOOP_CLR_FD) = 0 [pid 5412] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5412] close(4) = 0 [pid 5412] close(3) = 0 [pid 5412] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5411] <... futex resumed>) = 0 [pid 5411] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5411] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5412] <... futex resumed>) = 1 [pid 5412] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5411] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5411] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5411] futex(0x7fd0d792b5fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5411] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d3410000 [pid 5411] mprotect(0x7fd0d3411000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5411] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5411] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d3430990, parent_tid=0x7fd0d3430990, exit_signal=0, stack=0x7fd0d3410000, stack_size=0x20300, tls=0x7fd0d34306c0} => {parent_tid=[360]}, 88) = 360 [pid 5411] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5411] futex(0x7fd0d792b5f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5411] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5413 attached [pid 5413] rseq(0x7fd0d3430fe0, 0x20, 0, 0x53053053) = 0 [pid 5413] set_robust_list(0x7fd0d34309a0, 24) = 0 [pid 5413] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5413] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO [pid 5412] <... mmap resumed>) = 0x20000000 [pid 5412] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5412] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5414 attached [pid 5414] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5411] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5411] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5411] close(3) = -1 EBADF (Bad file descriptor) [pid 5411] close(4) = -1 EBADF (Bad file descriptor) [pid 5411] close(5) = -1 EBADF (Bad file descriptor) [pid 5411] close(6) = -1 EBADF (Bad file descriptor) [pid 5411] close(7) = -1 EBADF (Bad file descriptor) [pid 5411] close(8) = -1 EBADF (Bad file descriptor) [pid 5411] close(9) = -1 EBADF (Bad file descriptor) [pid 5411] close(10) = -1 EBADF (Bad file descriptor) [pid 5411] close(11) = -1 EBADF (Bad file descriptor) [pid 5411] close(12) = -1 EBADF (Bad file descriptor) [pid 5411] close(13) = -1 EBADF (Bad file descriptor) [pid 5411] close(14) = -1 EBADF (Bad file descriptor) [pid 5411] close(15) = -1 EBADF (Bad file descriptor) [pid 5411] close(16) = -1 EBADF (Bad file descriptor) [pid 5411] close(17) = -1 EBADF (Bad file descriptor) [pid 5411] close(18) = -1 EBADF (Bad file descriptor) [pid 5411] close(19) = -1 EBADF (Bad file descriptor) [pid 5411] close(20) = -1 EBADF (Bad file descriptor) [pid 5411] close(21) = -1 EBADF (Bad file descriptor) [pid 5411] close(22) = -1 EBADF (Bad file descriptor) [pid 5411] close(23) = -1 EBADF (Bad file descriptor) [pid 5411] close(24) = -1 EBADF (Bad file descriptor) [pid 5411] close(25) = -1 EBADF (Bad file descriptor) [pid 5411] close(26) = -1 EBADF (Bad file descriptor) [pid 5411] close(27) = -1 EBADF (Bad file descriptor) [pid 5411] close(28) = -1 EBADF (Bad file descriptor) [pid 5411] close(29) = -1 EBADF (Bad file descriptor) [pid 5411] exit_group(0 [pid 5413] <... clone resumed>) = ? [pid 5412] <... futex resumed>) = ? [pid 5411] <... exit_group resumed>) = ? [pid 5413] +++ exited with 0 +++ [pid 5412] +++ exited with 0 +++ [pid 5411] +++ exited with 0 +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=358, si_uid=0, si_status=0, si_utime=36 /* 0.36 s */, si_stime=118 /* 1.18 s */} --- [pid 5037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5037] ioctl(3, LOOP_CLR_FD) = 0 [pid 5037] close(3) = 0 [pid 5037] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cdf690) = 362 ./strace-static-x86_64: Process 5415 attached [pid 5415] set_robust_list(0x555555cdf6a0, 24) = 0 [pid 5415] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5415] setpgid(0, 0) = 0 [pid 5415] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5415] write(3, "1000", 4) = 4 [pid 5415] close(3) = 0 [pid 5415] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5415] rt_sigaction(SIGRT_1, {sa_handler=0x7fd0d78ba680, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0d78abd30}, NULL, 8) = 0 [pid 5415] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5415] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d7831000 [pid 5415] mprotect(0x7fd0d7832000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5415] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5415] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d7851990, parent_tid=0x7fd0d7851990, exit_signal=0, stack=0x7fd0d7831000, stack_size=0x20300, tls=0x7fd0d78516c0} => {parent_tid=[363]}, 88) = 363 ./strace-static-x86_64: Process 5416 attached [pid 5415] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5415] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5416] rseq(0x7fd0d7851fe0, 0x20, 0, 0x53053053 [pid 5415] <... futex resumed>) = 0 [pid 5415] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5416] <... rseq resumed>) = 0 [pid 5416] set_robust_list(0x7fd0d78519a0, 24) = 0 [pid 5416] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5416] memfd_create("syzkaller", 0) = 3 [pid 5416] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0cf431000 [ 254.968636][ T5416] syz-executor317[5416]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5414] +++ killed by SIGSEGV (core dumped) +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=361, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=45 /* 0.45 s */} --- [pid 5037] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5416] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 67108864) = 67108864 [pid 5416] munmap(0x7fd0cf431000, 67108864) = 0 [pid 5416] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5416] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5416] ioctl(4, LOOP_CLR_FD) = 0 [pid 5416] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5416] close(4) = 0 [pid 5416] close(3) = 0 [pid 5416] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5415] <... futex resumed>) = 0 [pid 5416] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5415] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5415] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5416] <... futex resumed>) = 0 [pid 5416] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5415] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5415] futex(0x7fd0d792b5fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5415] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5416] <... mmap resumed>) = 0x20000000 [pid 5416] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5415] <... mmap resumed>) = 0x7fd0d3410000 [pid 5416] <... futex resumed>) = 0 [pid 5416] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5415] mprotect(0x7fd0d3411000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5415] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5415] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d3430990, parent_tid=0x7fd0d3430990, exit_signal=0, stack=0x7fd0d3410000, stack_size=0x20300, tls=0x7fd0d34306c0} => {parent_tid=[364]}, 88) = 364 [pid 5415] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5415] futex(0x7fd0d792b5f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5415] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5417 attached [pid 5417] rseq(0x7fd0d3430fe0, 0x20, 0, 0x53053053) = 0 [pid 5417] set_robust_list(0x7fd0d34309a0, 24) = 0 [pid 5417] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5417] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5418 attached [pid 5418] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5415] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5415] close(3) = -1 EBADF (Bad file descriptor) [pid 5415] close(4) = -1 EBADF (Bad file descriptor) [pid 5415] close(5) = -1 EBADF (Bad file descriptor) [pid 5415] close(6) = -1 EBADF (Bad file descriptor) [pid 5415] close(7) = -1 EBADF (Bad file descriptor) [pid 5415] close(8) = -1 EBADF (Bad file descriptor) [pid 5415] close(9) = -1 EBADF (Bad file descriptor) [pid 5415] close(10) = -1 EBADF (Bad file descriptor) [pid 5415] close(11) = -1 EBADF (Bad file descriptor) [pid 5415] close(12) = -1 EBADF (Bad file descriptor) [pid 5415] close(13) = -1 EBADF (Bad file descriptor) [pid 5415] close(14) = -1 EBADF (Bad file descriptor) [pid 5415] close(15) = -1 EBADF (Bad file descriptor) [pid 5415] close(16) = -1 EBADF (Bad file descriptor) [pid 5415] close(17) = -1 EBADF (Bad file descriptor) [pid 5415] close(18) = -1 EBADF (Bad file descriptor) [pid 5415] close(19) = -1 EBADF (Bad file descriptor) [pid 5415] close(20) = -1 EBADF (Bad file descriptor) [pid 5415] close(21) = -1 EBADF (Bad file descriptor) [pid 5415] close(22) = -1 EBADF (Bad file descriptor) [pid 5415] close(23) = -1 EBADF (Bad file descriptor) [pid 5415] close(24) = -1 EBADF (Bad file descriptor) [pid 5415] close(25) = -1 EBADF (Bad file descriptor) [pid 5415] close(26) = -1 EBADF (Bad file descriptor) [pid 5415] close(27) = -1 EBADF (Bad file descriptor) [pid 5415] close(28) = -1 EBADF (Bad file descriptor) [pid 5415] close(29) = -1 EBADF (Bad file descriptor) [pid 5415] exit_group(0 [pid 5416] <... futex resumed>) = ? [pid 5415] <... exit_group resumed>) = ? [pid 5417] <... clone resumed>) = ? [pid 5416] +++ exited with 0 +++ [pid 5417] +++ exited with 0 +++ [pid 5415] +++ exited with 0 +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=362, si_uid=0, si_status=0, si_utime=40 /* 0.40 s */, si_stime=115 /* 1.15 s */} --- [pid 5037] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5037] ioctl(3, LOOP_CLR_FD) = 0 [pid 5037] close(3) = 0 [pid 5037] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cdf690) = 366 ./strace-static-x86_64: Process 5419 attached [pid 5419] set_robust_list(0x555555cdf6a0, 24) = 0 [pid 5419] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5419] setpgid(0, 0) = 0 [pid 5419] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5419] write(3, "1000", 4) = 4 [pid 5419] close(3) = 0 [pid 5419] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5419] rt_sigaction(SIGRT_1, {sa_handler=0x7fd0d78ba680, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0d78abd30}, NULL, 8) = 0 [pid 5419] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5419] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d7831000 [pid 5419] mprotect(0x7fd0d7832000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5419] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5419] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d7851990, parent_tid=0x7fd0d7851990, exit_signal=0, stack=0x7fd0d7831000, stack_size=0x20300, tls=0x7fd0d78516c0}./strace-static-x86_64: Process 5420 attached [pid 5420] rseq(0x7fd0d7851fe0, 0x20, 0, 0x53053053) = 0 [pid 5419] <... clone3 resumed> => {parent_tid=[367]}, 88) = 367 [pid 5419] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5419] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5419] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5420] set_robust_list(0x7fd0d78519a0, 24) = 0 [pid 5420] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5420] memfd_create("syzkaller", 0) = 3 [pid 5420] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0cf431000 [ 257.109501][ T5420] syz-executor317[5420]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5418] +++ killed by SIGSEGV (core dumped) +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=365, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=51 /* 0.51 s */} --- [pid 5037] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5420] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 67108864) = 67108864 [pid 5420] munmap(0x7fd0cf431000, 67108864) = 0 [pid 5420] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5420] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5420] ioctl(4, LOOP_CLR_FD) = 0 [pid 5420] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5420] close(4) = 0 [pid 5420] close(3) = 0 [pid 5420] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5419] <... futex resumed>) = 0 [pid 5419] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5419] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5420] <... futex resumed>) = 1 [pid 5420] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5419] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5419] futex(0x7fd0d792b5fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5419] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d3410000 [pid 5419] mprotect(0x7fd0d3411000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5419] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5419] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d3430990, parent_tid=0x7fd0d3430990, exit_signal=0, stack=0x7fd0d3410000, stack_size=0x20300, tls=0x7fd0d34306c0} => {parent_tid=[368]}, 88) = 368 [pid 5419] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5419] futex(0x7fd0d792b5f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5419] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5420] <... mmap resumed>) = 0x20000000 [pid 5420] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5420] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5421 attached [pid 5421] rseq(0x7fd0d3430fe0, 0x20, 0, 0x53053053) = 0 [pid 5421] set_robust_list(0x7fd0d34309a0, 24) = 0 [pid 5421] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5421] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5422 attached [pid 5422] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5419] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5419] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5419] close(3) = -1 EBADF (Bad file descriptor) [pid 5419] close(4) = -1 EBADF (Bad file descriptor) [pid 5419] close(5) = -1 EBADF (Bad file descriptor) [pid 5419] close(6) = -1 EBADF (Bad file descriptor) [pid 5419] close(7) = -1 EBADF (Bad file descriptor) [pid 5419] close(8) = -1 EBADF (Bad file descriptor) [pid 5419] close(9) = -1 EBADF (Bad file descriptor) [pid 5419] close(10) = -1 EBADF (Bad file descriptor) [pid 5419] close(11) = -1 EBADF (Bad file descriptor) [pid 5419] close(12) = -1 EBADF (Bad file descriptor) [pid 5419] close(13) = -1 EBADF (Bad file descriptor) [pid 5419] close(14) = -1 EBADF (Bad file descriptor) [pid 5419] close(15) = -1 EBADF (Bad file descriptor) [pid 5419] close(16) = -1 EBADF (Bad file descriptor) [pid 5419] close(17) = -1 EBADF (Bad file descriptor) [pid 5419] close(18) = -1 EBADF (Bad file descriptor) [pid 5419] close(19) = -1 EBADF (Bad file descriptor) [pid 5419] close(20) = -1 EBADF (Bad file descriptor) [pid 5419] close(21) = -1 EBADF (Bad file descriptor) [pid 5419] close(22) = -1 EBADF (Bad file descriptor) [pid 5419] close(23) = -1 EBADF (Bad file descriptor) [pid 5419] close(24) = -1 EBADF (Bad file descriptor) [pid 5419] close(25) = -1 EBADF (Bad file descriptor) [pid 5419] close(26) = -1 EBADF (Bad file descriptor) [pid 5419] close(27) = -1 EBADF (Bad file descriptor) [pid 5419] close(28) = -1 EBADF (Bad file descriptor) [pid 5419] close(29) = -1 EBADF (Bad file descriptor) [pid 5419] exit_group(0) = ? [pid 5421] <... clone resumed>) = ? [pid 5420] <... futex resumed>) = ? [pid 5420] +++ exited with 0 +++ [pid 5421] +++ exited with 0 +++ [pid 5419] +++ exited with 0 +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=366, si_uid=0, si_status=0, si_utime=28 /* 0.28 s */, si_stime=116 /* 1.16 s */} --- [pid 5037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5037] ioctl(3, LOOP_CLR_FD) = 0 [pid 5037] close(3) = 0 [pid 5037] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cdf690) = 370 ./strace-static-x86_64: Process 5423 attached [pid 5423] set_robust_list(0x555555cdf6a0, 24) = 0 [pid 5423] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5423] setpgid(0, 0) = 0 [pid 5423] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5423] write(3, "1000", 4) = 4 [pid 5423] close(3) = 0 [pid 5423] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5423] rt_sigaction(SIGRT_1, {sa_handler=0x7fd0d78ba680, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0d78abd30}, NULL, 8) = 0 [pid 5423] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5423] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d7831000 [pid 5423] mprotect(0x7fd0d7832000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5423] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5423] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d7851990, parent_tid=0x7fd0d7851990, exit_signal=0, stack=0x7fd0d7831000, stack_size=0x20300, tls=0x7fd0d78516c0}./strace-static-x86_64: Process 5424 attached => {parent_tid=[371]}, 88) = 371 [pid 5424] rseq(0x7fd0d7851fe0, 0x20, 0, 0x53053053 [pid 5423] rt_sigprocmask(SIG_SETMASK, [], [pid 5424] <... rseq resumed>) = 0 [pid 5423] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5424] set_robust_list(0x7fd0d78519a0, 24 [pid 5423] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5424] <... set_robust_list resumed>) = 0 [pid 5423] <... futex resumed>) = 0 [pid 5424] rt_sigprocmask(SIG_SETMASK, [], [pid 5423] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5424] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5424] memfd_create("syzkaller", 0) = 3 [pid 5424] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0cf431000 [ 259.146936][ T5424] syz-executor317[5424]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5422] +++ killed by SIGSEGV (core dumped) +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=369, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=48 /* 0.48 s */} --- [pid 5037] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5424] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 67108864) = 67108864 [pid 5424] munmap(0x7fd0cf431000, 67108864) = 0 [pid 5424] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5424] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5424] ioctl(4, LOOP_CLR_FD) = 0 [pid 5424] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5424] close(4) = 0 [pid 5424] close(3) = 0 [pid 5424] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5423] <... futex resumed>) = 0 [pid 5423] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5423] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5424] <... futex resumed>) = 1 [pid 5424] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5423] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5423] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5423] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5423] futex(0x7fd0d792b5fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5423] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d3410000 [pid 5423] mprotect(0x7fd0d3411000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5423] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5423] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d3430990, parent_tid=0x7fd0d3430990, exit_signal=0, stack=0x7fd0d3410000, stack_size=0x20300, tls=0x7fd0d34306c0} => {parent_tid=[372]}, 88) = 372 [pid 5423] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5423] futex(0x7fd0d792b5f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5423] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5424] <... mmap resumed>) = 0x20000000 [pid 5424] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5424] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5425 attached [pid 5425] rseq(0x7fd0d3430fe0, 0x20, 0, 0x53053053) = 0 [pid 5425] set_robust_list(0x7fd0d34309a0, 24) = 0 [pid 5425] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5425] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5426 attached [pid 5426] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5423] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5423] close(3) = -1 EBADF (Bad file descriptor) [pid 5423] close(4) = -1 EBADF (Bad file descriptor) [pid 5423] close(5) = -1 EBADF (Bad file descriptor) [pid 5423] close(6) = -1 EBADF (Bad file descriptor) [pid 5423] close(7) = -1 EBADF (Bad file descriptor) [pid 5423] close(8) = -1 EBADF (Bad file descriptor) [pid 5423] close(9) = -1 EBADF (Bad file descriptor) [pid 5423] close(10) = -1 EBADF (Bad file descriptor) [pid 5423] close(11) = -1 EBADF (Bad file descriptor) [pid 5423] close(12) = -1 EBADF (Bad file descriptor) [pid 5423] close(13) = -1 EBADF (Bad file descriptor) [pid 5423] close(14) = -1 EBADF (Bad file descriptor) [pid 5423] close(15) = -1 EBADF (Bad file descriptor) [pid 5423] close(16) = -1 EBADF (Bad file descriptor) [pid 5423] close(17) = -1 EBADF (Bad file descriptor) [pid 5423] close(18) = -1 EBADF (Bad file descriptor) [pid 5423] close(19) = -1 EBADF (Bad file descriptor) [pid 5423] close(20) = -1 EBADF (Bad file descriptor) [pid 5423] close(21) = -1 EBADF (Bad file descriptor) [pid 5423] close(22) = -1 EBADF (Bad file descriptor) [pid 5423] close(23) = -1 EBADF (Bad file descriptor) [pid 5423] close(24) = -1 EBADF (Bad file descriptor) [pid 5423] close(25) = -1 EBADF (Bad file descriptor) [pid 5423] close(26) = -1 EBADF (Bad file descriptor) [pid 5423] close(27) = -1 EBADF (Bad file descriptor) [pid 5423] close(28) = -1 EBADF (Bad file descriptor) [pid 5423] close(29) = -1 EBADF (Bad file descriptor) [pid 5423] exit_group(0) = ? [pid 5424] <... futex resumed>) = ? [pid 5425] <... clone resumed>) = ? [pid 5424] +++ exited with 0 +++ [pid 5425] +++ exited with 0 +++ [pid 5423] +++ exited with 0 +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=370, si_uid=0, si_status=0, si_utime=34 /* 0.34 s */, si_stime=108 /* 1.08 s */} --- [pid 5037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5037] ioctl(3, LOOP_CLR_FD) = 0 [pid 5037] close(3) = 0 [pid 5037] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cdf690) = 374 ./strace-static-x86_64: Process 5427 attached [pid 5427] set_robust_list(0x555555cdf6a0, 24) = 0 [pid 5427] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5427] setpgid(0, 0) = 0 [pid 5427] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5427] write(3, "1000", 4) = 4 [pid 5427] close(3) = 0 [pid 5427] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5427] rt_sigaction(SIGRT_1, {sa_handler=0x7fd0d78ba680, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0d78abd30}, NULL, 8) = 0 [pid 5427] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5427] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d7831000 [pid 5427] mprotect(0x7fd0d7832000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5427] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5427] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d7851990, parent_tid=0x7fd0d7851990, exit_signal=0, stack=0x7fd0d7831000, stack_size=0x20300, tls=0x7fd0d78516c0} => {parent_tid=[375]}, 88) = 375 ./strace-static-x86_64: Process 5428 attached [pid 5428] rseq(0x7fd0d7851fe0, 0x20, 0, 0x53053053) = 0 [pid 5428] set_robust_list(0x7fd0d78519a0, 24) = 0 [pid 5428] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5428] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5427] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5427] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5427] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5428] <... futex resumed>) = 0 [pid 5428] memfd_create("syzkaller", 0) = 3 [pid 5428] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0cf431000 [ 261.218737][ T5428] syz-executor317[5428]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5426] +++ killed by SIGSEGV (core dumped) +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=373, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=51 /* 0.51 s */} --- [pid 5037] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5428] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 67108864) = 67108864 [pid 5428] munmap(0x7fd0cf431000, 67108864) = 0 [pid 5428] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5428] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5428] ioctl(4, LOOP_CLR_FD) = 0 [pid 5428] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5428] close(4) = 0 [pid 5428] close(3) = 0 [pid 5428] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5427] <... futex resumed>) = 0 [pid 5427] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5427] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5428] <... futex resumed>) = 1 [pid 5428] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5427] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5427] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5427] futex(0x7fd0d792b5fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5427] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d3410000 [pid 5427] mprotect(0x7fd0d3411000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5427] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5428] <... mmap resumed>) = 0x20000000 [pid 5428] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5428] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5427] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5427] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d3430990, parent_tid=0x7fd0d3430990, exit_signal=0, stack=0x7fd0d3410000, stack_size=0x20300, tls=0x7fd0d34306c0}./strace-static-x86_64: Process 5429 attached => {parent_tid=[376]}, 88) = 376 [pid 5427] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5427] futex(0x7fd0d792b5f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5427] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5429] rseq(0x7fd0d3430fe0, 0x20, 0, 0x53053053) = 0 [pid 5429] set_robust_list(0x7fd0d34309a0, 24) = 0 [pid 5429] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5429] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5430 attached [pid 5430] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5427] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5427] close(3) = -1 EBADF (Bad file descriptor) [pid 5427] close(4) = -1 EBADF (Bad file descriptor) [pid 5427] close(5) = -1 EBADF (Bad file descriptor) [pid 5427] close(6) = -1 EBADF (Bad file descriptor) [pid 5427] close(7) = -1 EBADF (Bad file descriptor) [pid 5427] close(8) = -1 EBADF (Bad file descriptor) [pid 5427] close(9) = -1 EBADF (Bad file descriptor) [pid 5427] close(10) = -1 EBADF (Bad file descriptor) [pid 5427] close(11) = -1 EBADF (Bad file descriptor) [pid 5427] close(12) = -1 EBADF (Bad file descriptor) [pid 5427] close(13) = -1 EBADF (Bad file descriptor) [pid 5427] close(14) = -1 EBADF (Bad file descriptor) [pid 5427] close(15) = -1 EBADF (Bad file descriptor) [pid 5427] close(16) = -1 EBADF (Bad file descriptor) [pid 5427] close(17) = -1 EBADF (Bad file descriptor) [pid 5427] close(18) = -1 EBADF (Bad file descriptor) [pid 5427] close(19) = -1 EBADF (Bad file descriptor) [pid 5427] close(20) = -1 EBADF (Bad file descriptor) [pid 5427] close(21) = -1 EBADF (Bad file descriptor) [pid 5427] close(22) = -1 EBADF (Bad file descriptor) [pid 5427] close(23) = -1 EBADF (Bad file descriptor) [pid 5427] close(24) = -1 EBADF (Bad file descriptor) [pid 5427] close(25) = -1 EBADF (Bad file descriptor) [pid 5427] close(26) = -1 EBADF (Bad file descriptor) [pid 5427] close(27) = -1 EBADF (Bad file descriptor) [pid 5427] close(28) = -1 EBADF (Bad file descriptor) [pid 5427] close(29) = -1 EBADF (Bad file descriptor) [pid 5427] exit_group(0) = ? [pid 5428] <... futex resumed>) = ? [pid 5429] <... clone resumed>) = ? [pid 5429] +++ exited with 0 +++ [pid 5428] +++ exited with 0 +++ [pid 5427] +++ exited with 0 +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=374, si_uid=0, si_status=0, si_utime=35 /* 0.35 s */, si_stime=116 /* 1.16 s */} --- [pid 5037] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5037] ioctl(3, LOOP_CLR_FD) = 0 [pid 5037] close(3) = 0 [pid 5037] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cdf690) = 378 ./strace-static-x86_64: Process 5431 attached [pid 5431] set_robust_list(0x555555cdf6a0, 24) = 0 [pid 5431] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5431] setpgid(0, 0) = 0 [pid 5431] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5431] write(3, "1000", 4) = 4 [pid 5431] close(3) = 0 [pid 5431] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5431] rt_sigaction(SIGRT_1, {sa_handler=0x7fd0d78ba680, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0d78abd30}, NULL, 8) = 0 [pid 5431] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5431] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d7831000 [pid 5431] mprotect(0x7fd0d7832000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5431] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5431] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d7851990, parent_tid=0x7fd0d7851990, exit_signal=0, stack=0x7fd0d7831000, stack_size=0x20300, tls=0x7fd0d78516c0}./strace-static-x86_64: Process 5432 attached => {parent_tid=[379]}, 88) = 379 [pid 5432] rseq(0x7fd0d7851fe0, 0x20, 0, 0x53053053) = 0 [pid 5431] rt_sigprocmask(SIG_SETMASK, [], [pid 5432] set_robust_list(0x7fd0d78519a0, 24) = 0 [pid 5432] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5432] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5431] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5431] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5432] <... futex resumed>) = 0 [pid 5431] <... futex resumed>) = 1 [pid 5432] memfd_create("syzkaller", 0 [pid 5431] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5432] <... memfd_create resumed>) = 3 [pid 5432] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0cf431000 [ 263.396491][ T5432] syz-executor317[5432]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5430] +++ killed by SIGSEGV (core dumped) +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=377, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=48 /* 0.48 s */} --- [pid 5037] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5432] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 67108864) = 67108864 [pid 5432] munmap(0x7fd0cf431000, 67108864) = 0 [pid 5432] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5432] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5432] ioctl(4, LOOP_CLR_FD) = 0 [pid 5432] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5432] close(4) = 0 [pid 5432] close(3) = 0 [pid 5432] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5431] <... futex resumed>) = 0 [pid 5431] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5431] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5432] <... futex resumed>) = 1 [pid 5432] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5431] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5431] futex(0x7fd0d792b5fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5431] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d3410000 [pid 5431] mprotect(0x7fd0d3411000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5431] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5431] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d3430990, parent_tid=0x7fd0d3430990, exit_signal=0, stack=0x7fd0d3410000, stack_size=0x20300, tls=0x7fd0d34306c0}./strace-static-x86_64: Process 5433 attached => {parent_tid=[380]}, 88) = 380 [pid 5431] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5431] futex(0x7fd0d792b5f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5431] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5432] <... mmap resumed>) = 0x20000000 [pid 5432] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5432] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5433] rseq(0x7fd0d3430fe0, 0x20, 0, 0x53053053) = 0 [pid 5433] set_robust_list(0x7fd0d34309a0, 24) = 0 [pid 5433] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5433] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5434 attached [pid 5434] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5431] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5431] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5431] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5431] close(3) = -1 EBADF (Bad file descriptor) [pid 5431] close(4) = -1 EBADF (Bad file descriptor) [pid 5431] close(5) = -1 EBADF (Bad file descriptor) [pid 5431] close(6) = -1 EBADF (Bad file descriptor) [pid 5431] close(7) = -1 EBADF (Bad file descriptor) [pid 5431] close(8) = -1 EBADF (Bad file descriptor) [pid 5431] close(9) = -1 EBADF (Bad file descriptor) [pid 5431] close(10) = -1 EBADF (Bad file descriptor) [pid 5431] close(11) = -1 EBADF (Bad file descriptor) [pid 5431] close(12) = -1 EBADF (Bad file descriptor) [pid 5431] close(13) = -1 EBADF (Bad file descriptor) [pid 5431] close(14) = -1 EBADF (Bad file descriptor) [pid 5431] close(15) = -1 EBADF (Bad file descriptor) [pid 5431] close(16) = -1 EBADF (Bad file descriptor) [pid 5431] close(17) = -1 EBADF (Bad file descriptor) [pid 5431] close(18) = -1 EBADF (Bad file descriptor) [pid 5431] close(19) = -1 EBADF (Bad file descriptor) [pid 5431] close(20) = -1 EBADF (Bad file descriptor) [pid 5431] close(21) = -1 EBADF (Bad file descriptor) [pid 5431] close(22) = -1 EBADF (Bad file descriptor) [pid 5431] close(23) = -1 EBADF (Bad file descriptor) [pid 5431] close(24) = -1 EBADF (Bad file descriptor) [pid 5431] close(25) = -1 EBADF (Bad file descriptor) [pid 5431] close(26) = -1 EBADF (Bad file descriptor) [pid 5431] close(27) = -1 EBADF (Bad file descriptor) [pid 5431] close(28) = -1 EBADF (Bad file descriptor) [pid 5431] close(29) = -1 EBADF (Bad file descriptor) [pid 5431] exit_group(0) = ? [pid 5432] <... futex resumed>) = ? [pid 5433] <... clone resumed>) = ? [pid 5433] +++ exited with 0 +++ [pid 5432] +++ exited with 0 +++ [pid 5431] +++ exited with 0 +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=378, si_uid=0, si_status=0, si_utime=29 /* 0.29 s */, si_stime=119 /* 1.19 s */} --- [pid 5037] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5037] ioctl(3, LOOP_CLR_FD) = 0 [pid 5037] close(3) = 0 [pid 5037] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cdf690) = 382 ./strace-static-x86_64: Process 5435 attached [pid 5435] set_robust_list(0x555555cdf6a0, 24) = 0 [pid 5435] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5435] setpgid(0, 0) = 0 [pid 5435] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5435] write(3, "1000", 4) = 4 [pid 5435] close(3) = 0 [pid 5435] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5435] rt_sigaction(SIGRT_1, {sa_handler=0x7fd0d78ba680, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0d78abd30}, NULL, 8) = 0 [pid 5435] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5435] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d7831000 [pid 5435] mprotect(0x7fd0d7832000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5435] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5435] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d7851990, parent_tid=0x7fd0d7851990, exit_signal=0, stack=0x7fd0d7831000, stack_size=0x20300, tls=0x7fd0d78516c0}./strace-static-x86_64: Process 5436 attached => {parent_tid=[383]}, 88) = 383 [pid 5435] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5435] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5435] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5436] rseq(0x7fd0d7851fe0, 0x20, 0, 0x53053053) = 0 [pid 5436] set_robust_list(0x7fd0d78519a0, 24) = 0 [pid 5436] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5436] memfd_create("syzkaller", 0) = 3 [pid 5436] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0cf431000 [ 265.539874][ T5436] syz-executor317[5436]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5434] +++ killed by SIGSEGV (core dumped) +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=381, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=46 /* 0.46 s */} --- [pid 5436] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 67108864) = 67108864 [pid 5436] munmap(0x7fd0cf431000, 67108864) = 0 [pid 5436] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5436] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5436] ioctl(4, LOOP_CLR_FD) = 0 [pid 5436] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5436] close(4) = 0 [pid 5436] close(3) = 0 [pid 5436] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5435] <... futex resumed>) = 0 [pid 5436] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5435] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5436] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5435] <... futex resumed>) = 0 [pid 5436] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5435] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5435] futex(0x7fd0d792b5fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5435] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d3410000 [pid 5435] mprotect(0x7fd0d3411000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5435] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5435] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d3430990, parent_tid=0x7fd0d3430990, exit_signal=0, stack=0x7fd0d3410000, stack_size=0x20300, tls=0x7fd0d34306c0}./strace-static-x86_64: Process 5437 attached [pid 5437] rseq(0x7fd0d3430fe0, 0x20, 0, 0x53053053 [pid 5435] <... clone3 resumed> => {parent_tid=[384]}, 88) = 384 [pid 5437] <... rseq resumed>) = 0 [pid 5437] set_robust_list(0x7fd0d34309a0, 24 [pid 5436] <... mmap resumed>) = 0x20000000 [pid 5437] <... set_robust_list resumed>) = 0 [pid 5435] rt_sigprocmask(SIG_SETMASK, [], [pid 5437] rt_sigprocmask(SIG_SETMASK, [], [pid 5436] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5435] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5437] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5435] futex(0x7fd0d792b5f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5437] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO [pid 5436] <... futex resumed>) = 0 [pid 5435] <... futex resumed>) = 0 [pid 5436] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5435] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5438 attached [pid 5438] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5435] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5435] close(3) = -1 EBADF (Bad file descriptor) [pid 5435] close(4) = -1 EBADF (Bad file descriptor) [pid 5435] close(5) = -1 EBADF (Bad file descriptor) [pid 5435] close(6) = -1 EBADF (Bad file descriptor) [pid 5435] close(7) = -1 EBADF (Bad file descriptor) [pid 5435] close(8) = -1 EBADF (Bad file descriptor) [pid 5435] close(9) = -1 EBADF (Bad file descriptor) [pid 5435] close(10) = -1 EBADF (Bad file descriptor) [pid 5435] close(11) = -1 EBADF (Bad file descriptor) [pid 5435] close(12) = -1 EBADF (Bad file descriptor) [pid 5435] close(13) = -1 EBADF (Bad file descriptor) [pid 5435] close(14) = -1 EBADF (Bad file descriptor) [pid 5435] close(15) = -1 EBADF (Bad file descriptor) [pid 5435] close(16) = -1 EBADF (Bad file descriptor) [pid 5435] close(17) = -1 EBADF (Bad file descriptor) [pid 5435] close(18) = -1 EBADF (Bad file descriptor) [pid 5435] close(19) = -1 EBADF (Bad file descriptor) [pid 5435] close(20) = -1 EBADF (Bad file descriptor) [pid 5435] close(21) = -1 EBADF (Bad file descriptor) [pid 5435] close(22) = -1 EBADF (Bad file descriptor) [pid 5435] close(23) = -1 EBADF (Bad file descriptor) [pid 5435] close(24) = -1 EBADF (Bad file descriptor) [pid 5435] close(25) = -1 EBADF (Bad file descriptor) [pid 5435] close(26) = -1 EBADF (Bad file descriptor) [pid 5435] close(27) = -1 EBADF (Bad file descriptor) [pid 5435] close(28) = -1 EBADF (Bad file descriptor) [pid 5435] close(29) = -1 EBADF (Bad file descriptor) [pid 5435] exit_group(0 [pid 5437] <... clone resumed>) = ? [pid 5435] <... exit_group resumed>) = ? [pid 5437] +++ exited with 0 +++ [pid 5436] <... futex resumed>) = ? [pid 5436] +++ exited with 0 +++ [pid 5435] +++ exited with 0 +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=382, si_uid=0, si_status=0, si_utime=27 /* 0.27 s */, si_stime=115 /* 1.15 s */} --- [pid 5037] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5037] ioctl(3, LOOP_CLR_FD) = 0 [pid 5037] close(3) = 0 [pid 5037] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cdf690) = 386 ./strace-static-x86_64: Process 5439 attached [pid 5439] set_robust_list(0x555555cdf6a0, 24) = 0 [pid 5439] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5439] setpgid(0, 0) = 0 [pid 5439] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5439] write(3, "1000", 4) = 4 [pid 5439] close(3) = 0 [pid 5439] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5439] rt_sigaction(SIGRT_1, {sa_handler=0x7fd0d78ba680, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0d78abd30}, NULL, 8) = 0 [pid 5439] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5439] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d7831000 [pid 5439] mprotect(0x7fd0d7832000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5439] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5439] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d7851990, parent_tid=0x7fd0d7851990, exit_signal=0, stack=0x7fd0d7831000, stack_size=0x20300, tls=0x7fd0d78516c0} => {parent_tid=[387]}, 88) = 387 [pid 5439] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5440 attached [pid 5440] rseq(0x7fd0d7851fe0, 0x20, 0, 0x53053053 [pid 5439] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5439] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5440] <... rseq resumed>) = 0 [pid 5440] set_robust_list(0x7fd0d78519a0, 24 [pid 5439] <... futex resumed>) = 0 [pid 5439] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5440] <... set_robust_list resumed>) = 0 [pid 5440] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5440] memfd_create("syzkaller", 0) = 3 [pid 5440] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0cf431000 [ 267.806083][ T5440] syz-executor317[5440]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5438] +++ killed by SIGSEGV (core dumped) +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=385, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=53 /* 0.53 s */} --- [pid 5440] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 67108864) = 67108864 [pid 5440] munmap(0x7fd0cf431000, 67108864) = 0 [pid 5440] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5440] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5440] ioctl(4, LOOP_CLR_FD) = 0 [pid 5440] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5440] close(4) = 0 [pid 5440] close(3) = 0 [pid 5440] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5439] <... futex resumed>) = 0 [pid 5440] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5439] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5439] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5440] <... futex resumed>) = 0 [pid 5440] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5439] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5439] futex(0x7fd0d792b5fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5439] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d3410000 [pid 5439] mprotect(0x7fd0d3411000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5439] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5439] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d3430990, parent_tid=0x7fd0d3430990, exit_signal=0, stack=0x7fd0d3410000, stack_size=0x20300, tls=0x7fd0d34306c0}./strace-static-x86_64: Process 5441 attached [pid 5441] rseq(0x7fd0d3430fe0, 0x20, 0, 0x53053053) = 0 [pid 5441] set_robust_list(0x7fd0d34309a0, 24) = 0 [pid 5441] rt_sigprocmask(SIG_SETMASK, [], [pid 5439] <... clone3 resumed> => {parent_tid=[388]}, 88) = 388 [pid 5441] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5439] rt_sigprocmask(SIG_SETMASK, [], [pid 5441] futex(0x7fd0d792b5f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5440] <... mmap resumed>) = 0x20000000 [pid 5439] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5440] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5439] futex(0x7fd0d792b5f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5441] <... futex resumed>) = 0 [pid 5440] <... futex resumed>) = 0 [pid 5439] <... futex resumed>) = 1 [pid 5441] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO [pid 5440] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5439] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5442 attached [pid 5442] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5439] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5439] close(3) = -1 EBADF (Bad file descriptor) [pid 5439] close(4) = -1 EBADF (Bad file descriptor) [pid 5439] close(5) = -1 EBADF (Bad file descriptor) [pid 5439] close(6) = -1 EBADF (Bad file descriptor) [pid 5439] close(7) = -1 EBADF (Bad file descriptor) [pid 5439] close(8) = -1 EBADF (Bad file descriptor) [pid 5439] close(9) = -1 EBADF (Bad file descriptor) [pid 5439] close(10) = -1 EBADF (Bad file descriptor) [pid 5439] close(11) = -1 EBADF (Bad file descriptor) [pid 5439] close(12) = -1 EBADF (Bad file descriptor) [pid 5439] close(13) = -1 EBADF (Bad file descriptor) [pid 5439] close(14) = -1 EBADF (Bad file descriptor) [pid 5439] close(15) = -1 EBADF (Bad file descriptor) [pid 5439] close(16) = -1 EBADF (Bad file descriptor) [pid 5439] close(17) = -1 EBADF (Bad file descriptor) [pid 5439] close(18) = -1 EBADF (Bad file descriptor) [pid 5439] close(19) = -1 EBADF (Bad file descriptor) [pid 5439] close(20) = -1 EBADF (Bad file descriptor) [pid 5439] close(21) = -1 EBADF (Bad file descriptor) [pid 5439] close(22) = -1 EBADF (Bad file descriptor) [pid 5439] close(23) = -1 EBADF (Bad file descriptor) [pid 5439] close(24) = -1 EBADF (Bad file descriptor) [pid 5439] close(25) = -1 EBADF (Bad file descriptor) [pid 5439] close(26) = -1 EBADF (Bad file descriptor) [pid 5439] close(27) = -1 EBADF (Bad file descriptor) [pid 5439] close(28) = -1 EBADF (Bad file descriptor) [pid 5439] close(29) = -1 EBADF (Bad file descriptor) [pid 5439] exit_group(0 [pid 5440] <... futex resumed>) = ? [pid 5439] <... exit_group resumed>) = ? [pid 5440] +++ exited with 0 +++ [pid 5441] <... clone resumed>) = ? [pid 5441] +++ exited with 0 +++ [pid 5439] +++ exited with 0 +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=386, si_uid=0, si_status=0, si_utime=33 /* 0.33 s */, si_stime=118 /* 1.18 s */} --- [pid 5037] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5037] ioctl(3, LOOP_CLR_FD) = 0 [pid 5037] close(3) = 0 [pid 5037] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cdf690) = 390 ./strace-static-x86_64: Process 5443 attached [pid 5443] set_robust_list(0x555555cdf6a0, 24) = 0 [pid 5443] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5443] setpgid(0, 0) = 0 [pid 5443] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5443] write(3, "1000", 4) = 4 [pid 5443] close(3) = 0 [pid 5443] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5443] rt_sigaction(SIGRT_1, {sa_handler=0x7fd0d78ba680, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0d78abd30}, NULL, 8) = 0 [pid 5443] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5443] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d7831000 [pid 5443] mprotect(0x7fd0d7832000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5443] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5443] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d7851990, parent_tid=0x7fd0d7851990, exit_signal=0, stack=0x7fd0d7831000, stack_size=0x20300, tls=0x7fd0d78516c0}./strace-static-x86_64: Process 5444 attached => {parent_tid=[391]}, 88) = 391 [pid 5443] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5443] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5443] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5444] rseq(0x7fd0d7851fe0, 0x20, 0, 0x53053053) = 0 [pid 5444] set_robust_list(0x7fd0d78519a0, 24) = 0 [pid 5444] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5444] memfd_create("syzkaller", 0) = 3 [pid 5444] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0cf431000 [ 269.787362][ T5444] syz-executor317[5444]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5442] +++ killed by SIGSEGV (core dumped) +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=389, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=54 /* 0.54 s */} --- [pid 5444] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 67108864) = 67108864 [pid 5444] munmap(0x7fd0cf431000, 67108864) = 0 [pid 5444] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5444] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5444] ioctl(4, LOOP_CLR_FD) = 0 [pid 5444] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5444] close(4) = 0 [pid 5444] close(3) = 0 [pid 5444] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5443] <... futex resumed>) = 0 [pid 5444] <... futex resumed>) = 1 [pid 5443] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5444] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5443] <... futex resumed>) = 0 [pid 5443] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5443] futex(0x7fd0d792b5fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5443] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d3410000 [pid 5443] mprotect(0x7fd0d3411000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5444] <... mmap resumed>) = 0x20000000 [pid 5444] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5443] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5443] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d3430990, parent_tid=0x7fd0d3430990, exit_signal=0, stack=0x7fd0d3410000, stack_size=0x20300, tls=0x7fd0d34306c0}./strace-static-x86_64: Process 5445 attached => {parent_tid=[392]}, 88) = 392 [pid 5445] rseq(0x7fd0d3430fe0, 0x20, 0, 0x53053053) = 0 [pid 5443] rt_sigprocmask(SIG_SETMASK, [], [pid 5445] set_robust_list(0x7fd0d34309a0, 24) = 0 [pid 5443] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5445] rt_sigprocmask(SIG_SETMASK, [], [pid 5443] futex(0x7fd0d792b5f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5445] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5443] <... futex resumed>) = 0 [pid 5445] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO [pid 5443] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5444] <... futex resumed>) = 0 [pid 5444] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5446 attached [pid 5446] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5443] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5443] close(3) = -1 EBADF (Bad file descriptor) [pid 5443] close(4) = -1 EBADF (Bad file descriptor) [pid 5443] close(5) = -1 EBADF (Bad file descriptor) [pid 5443] close(6) = -1 EBADF (Bad file descriptor) [pid 5443] close(7) = -1 EBADF (Bad file descriptor) [pid 5443] close(8) = -1 EBADF (Bad file descriptor) [pid 5443] close(9) = -1 EBADF (Bad file descriptor) [pid 5443] close(10) = -1 EBADF (Bad file descriptor) [pid 5443] close(11) = -1 EBADF (Bad file descriptor) [pid 5443] close(12) = -1 EBADF (Bad file descriptor) [pid 5443] close(13) = -1 EBADF (Bad file descriptor) [pid 5443] close(14) = -1 EBADF (Bad file descriptor) [pid 5443] close(15) = -1 EBADF (Bad file descriptor) [pid 5443] close(16) = -1 EBADF (Bad file descriptor) [pid 5443] close(17) = -1 EBADF (Bad file descriptor) [pid 5443] close(18) = -1 EBADF (Bad file descriptor) [pid 5443] close(19) = -1 EBADF (Bad file descriptor) [pid 5443] close(20) = -1 EBADF (Bad file descriptor) [pid 5443] close(21) = -1 EBADF (Bad file descriptor) [pid 5443] close(22) = -1 EBADF (Bad file descriptor) [pid 5443] close(23) = -1 EBADF (Bad file descriptor) [pid 5443] close(24) = -1 EBADF (Bad file descriptor) [pid 5443] close(25) = -1 EBADF (Bad file descriptor) [pid 5443] close(26) = -1 EBADF (Bad file descriptor) [pid 5443] close(27) = -1 EBADF (Bad file descriptor) [pid 5443] close(28) = -1 EBADF (Bad file descriptor) [pid 5443] close(29) = -1 EBADF (Bad file descriptor) [pid 5443] exit_group(0) = ? [pid 5445] <... clone resumed>) = ? [pid 5444] <... futex resumed>) = ? [pid 5444] +++ exited with 0 +++ [pid 5445] +++ exited with 0 +++ [pid 5443] +++ exited with 0 +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=390, si_uid=0, si_status=0, si_utime=33 /* 0.33 s */, si_stime=111 /* 1.11 s */} --- [pid 5037] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5037] ioctl(3, LOOP_CLR_FD) = 0 [pid 5037] close(3) = 0 [pid 5037] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5447 attached [pid 5447] set_robust_list(0x555555cdf6a0, 24 [pid 5037] <... clone resumed>, child_tidptr=0x555555cdf690) = 394 [pid 5447] <... set_robust_list resumed>) = 0 [pid 5447] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5447] setpgid(0, 0) = 0 [pid 5447] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5447] write(3, "1000", 4) = 4 [pid 5447] close(3) = 0 [pid 5447] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5447] rt_sigaction(SIGRT_1, {sa_handler=0x7fd0d78ba680, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0d78abd30}, NULL, 8) = 0 [pid 5447] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5447] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d7831000 [pid 5447] mprotect(0x7fd0d7832000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5447] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5447] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d7851990, parent_tid=0x7fd0d7851990, exit_signal=0, stack=0x7fd0d7831000, stack_size=0x20300, tls=0x7fd0d78516c0}./strace-static-x86_64: Process 5448 attached [pid 5448] rseq(0x7fd0d7851fe0, 0x20, 0, 0x53053053 [pid 5447] <... clone3 resumed> => {parent_tid=[395]}, 88) = 395 [pid 5448] <... rseq resumed>) = 0 [pid 5447] rt_sigprocmask(SIG_SETMASK, [], [pid 5448] set_robust_list(0x7fd0d78519a0, 24 [pid 5447] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5448] <... set_robust_list resumed>) = 0 [pid 5447] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5448] rt_sigprocmask(SIG_SETMASK, [], [pid 5447] <... futex resumed>) = 0 [pid 5448] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5447] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5448] memfd_create("syzkaller", 0) = 3 [pid 5448] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0cf431000 [ 271.945196][ T5448] syz-executor317[5448]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5446] +++ killed by SIGSEGV (core dumped) +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=393, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=50 /* 0.50 s */} --- [pid 5448] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 67108864) = 67108864 [pid 5448] munmap(0x7fd0cf431000, 67108864) = 0 [pid 5448] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5448] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5448] ioctl(4, LOOP_CLR_FD) = 0 [pid 5448] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5448] close(4) = 0 [pid 5448] close(3) = 0 [pid 5448] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5447] <... futex resumed>) = 0 [pid 5448] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5447] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5448] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5447] <... futex resumed>) = 0 [pid 5447] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5447] futex(0x7fd0d792b5fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5447] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5448] <... mmap resumed>) = 0x20000000 [pid 5447] <... mmap resumed>) = 0x7fd0d3410000 [pid 5448] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5447] mprotect(0x7fd0d3411000, 131072, PROT_READ|PROT_WRITE [pid 5448] <... futex resumed>) = 0 [pid 5447] <... mprotect resumed>) = 0 [pid 5448] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5447] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5447] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d3430990, parent_tid=0x7fd0d3430990, exit_signal=0, stack=0x7fd0d3410000, stack_size=0x20300, tls=0x7fd0d34306c0}./strace-static-x86_64: Process 5449 attached [pid 5449] rseq(0x7fd0d3430fe0, 0x20, 0, 0x53053053 [pid 5447] <... clone3 resumed> => {parent_tid=[396]}, 88) = 396 [pid 5449] <... rseq resumed>) = 0 [pid 5447] rt_sigprocmask(SIG_SETMASK, [], [pid 5449] set_robust_list(0x7fd0d34309a0, 24 [pid 5447] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5449] <... set_robust_list resumed>) = 0 [pid 5447] futex(0x7fd0d792b5f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5449] rt_sigprocmask(SIG_SETMASK, [], [pid 5447] <... futex resumed>) = 0 [pid 5449] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5447] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5449] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5450 attached [pid 5450] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5447] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5447] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5447] close(3) = -1 EBADF (Bad file descriptor) [pid 5447] close(4) = -1 EBADF (Bad file descriptor) [pid 5447] close(5) = -1 EBADF (Bad file descriptor) [pid 5447] close(6) = -1 EBADF (Bad file descriptor) [pid 5447] close(7) = -1 EBADF (Bad file descriptor) [pid 5447] close(8) = -1 EBADF (Bad file descriptor) [pid 5447] close(9) = -1 EBADF (Bad file descriptor) [pid 5447] close(10) = -1 EBADF (Bad file descriptor) [pid 5447] close(11) = -1 EBADF (Bad file descriptor) [pid 5447] close(12) = -1 EBADF (Bad file descriptor) [pid 5447] close(13) = -1 EBADF (Bad file descriptor) [pid 5447] close(14) = -1 EBADF (Bad file descriptor) [pid 5447] close(15) = -1 EBADF (Bad file descriptor) [pid 5447] close(16) = -1 EBADF (Bad file descriptor) [pid 5447] close(17) = -1 EBADF (Bad file descriptor) [pid 5447] close(18) = -1 EBADF (Bad file descriptor) [pid 5447] close(19) = -1 EBADF (Bad file descriptor) [pid 5447] close(20) = -1 EBADF (Bad file descriptor) [pid 5447] close(21) = -1 EBADF (Bad file descriptor) [pid 5447] close(22) = -1 EBADF (Bad file descriptor) [pid 5447] close(23) = -1 EBADF (Bad file descriptor) [pid 5447] close(24) = -1 EBADF (Bad file descriptor) [pid 5447] close(25) = -1 EBADF (Bad file descriptor) [pid 5447] close(26) = -1 EBADF (Bad file descriptor) [pid 5447] close(27) = -1 EBADF (Bad file descriptor) [pid 5447] close(28) = -1 EBADF (Bad file descriptor) [pid 5447] close(29) = -1 EBADF (Bad file descriptor) [pid 5447] exit_group(0) = ? [pid 5448] <... futex resumed>) = ? [pid 5449] <... clone resumed>) = ? [pid 5448] +++ exited with 0 +++ [pid 5449] +++ exited with 0 +++ [pid 5447] +++ exited with 0 +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=394, si_uid=0, si_status=0, si_utime=35 /* 0.35 s */, si_stime=106 /* 1.06 s */} --- [pid 5037] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5037] ioctl(3, LOOP_CLR_FD) = 0 [pid 5037] close(3) = 0 [pid 5037] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5451 attached [pid 5451] set_robust_list(0x555555cdf6a0, 24) = 0 [pid 5037] <... clone resumed>, child_tidptr=0x555555cdf690) = 398 [pid 5451] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5451] setpgid(0, 0) = 0 [pid 5451] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5451] write(3, "1000", 4) = 4 [pid 5451] close(3) = 0 [pid 5451] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5451] rt_sigaction(SIGRT_1, {sa_handler=0x7fd0d78ba680, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0d78abd30}, NULL, 8) = 0 [pid 5451] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5451] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d7831000 [pid 5451] mprotect(0x7fd0d7832000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5451] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5451] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d7851990, parent_tid=0x7fd0d7851990, exit_signal=0, stack=0x7fd0d7831000, stack_size=0x20300, tls=0x7fd0d78516c0} => {parent_tid=[399]}, 88) = 399 [pid 5451] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5451] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5451] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5452 attached [pid 5452] rseq(0x7fd0d7851fe0, 0x20, 0, 0x53053053) = 0 [pid 5452] set_robust_list(0x7fd0d78519a0, 24) = 0 [pid 5452] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5452] memfd_create("syzkaller", 0) = 3 [pid 5452] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0cf431000 [ 274.024390][ T5452] syz-executor317[5452]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5450] +++ killed by SIGSEGV (core dumped) +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=397, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=52 /* 0.52 s */} --- [pid 5037] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5452] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 67108864) = 67108864 [pid 5452] munmap(0x7fd0cf431000, 67108864) = 0 [pid 5452] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5452] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5452] ioctl(4, LOOP_CLR_FD) = 0 [pid 5452] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5452] close(4) = 0 [pid 5452] close(3) = 0 [pid 5452] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5452] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5451] <... futex resumed>) = 0 [pid 5451] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5452] <... futex resumed>) = 0 [pid 5451] <... futex resumed>) = 1 [pid 5452] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5451] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5451] futex(0x7fd0d792b5fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5451] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5452] <... mmap resumed>) = 0x20000000 [pid 5452] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5451] <... mmap resumed>) = 0x7fd0d3410000 [pid 5451] mprotect(0x7fd0d3411000, 131072, PROT_READ|PROT_WRITE [pid 5452] <... futex resumed>) = 0 [pid 5452] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5451] <... mprotect resumed>) = 0 [pid 5451] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5451] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d3430990, parent_tid=0x7fd0d3430990, exit_signal=0, stack=0x7fd0d3410000, stack_size=0x20300, tls=0x7fd0d34306c0}./strace-static-x86_64: Process 5453 attached => {parent_tid=[400]}, 88) = 400 [pid 5453] rseq(0x7fd0d3430fe0, 0x20, 0, 0x53053053 [pid 5451] rt_sigprocmask(SIG_SETMASK, [], [pid 5453] <... rseq resumed>) = 0 [pid 5451] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5453] set_robust_list(0x7fd0d34309a0, 24) = 0 [pid 5451] futex(0x7fd0d792b5f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5451] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5453] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5453] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5454 attached [pid 5454] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5451] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5451] close(3) = -1 EBADF (Bad file descriptor) [pid 5451] close(4) = -1 EBADF (Bad file descriptor) [pid 5451] close(5) = -1 EBADF (Bad file descriptor) [pid 5451] close(6) = -1 EBADF (Bad file descriptor) [pid 5451] close(7) = -1 EBADF (Bad file descriptor) [pid 5451] close(8) = -1 EBADF (Bad file descriptor) [pid 5451] close(9) = -1 EBADF (Bad file descriptor) [pid 5451] close(10) = -1 EBADF (Bad file descriptor) [pid 5451] close(11) = -1 EBADF (Bad file descriptor) [pid 5451] close(12) = -1 EBADF (Bad file descriptor) [pid 5451] close(13) = -1 EBADF (Bad file descriptor) [pid 5451] close(14) = -1 EBADF (Bad file descriptor) [pid 5451] close(15) = -1 EBADF (Bad file descriptor) [pid 5451] close(16) = -1 EBADF (Bad file descriptor) [pid 5451] close(17) = -1 EBADF (Bad file descriptor) [pid 5451] close(18) = -1 EBADF (Bad file descriptor) [pid 5451] close(19) = -1 EBADF (Bad file descriptor) [pid 5451] close(20) = -1 EBADF (Bad file descriptor) [pid 5451] close(21) = -1 EBADF (Bad file descriptor) [pid 5451] close(22) = -1 EBADF (Bad file descriptor) [pid 5451] close(23) = -1 EBADF (Bad file descriptor) [pid 5451] close(24) = -1 EBADF (Bad file descriptor) [pid 5451] close(25) = -1 EBADF (Bad file descriptor) [pid 5451] close(26) = -1 EBADF (Bad file descriptor) [pid 5451] close(27) = -1 EBADF (Bad file descriptor) [pid 5451] close(28) = -1 EBADF (Bad file descriptor) [pid 5451] close(29) = -1 EBADF (Bad file descriptor) [pid 5451] exit_group(0 [pid 5452] <... futex resumed>) = ? [pid 5451] <... exit_group resumed>) = ? [pid 5452] +++ exited with 0 +++ [pid 5453] <... clone resumed>) = ? [pid 5453] +++ exited with 0 +++ [pid 5451] +++ exited with 0 +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=398, si_uid=0, si_status=0, si_utime=35 /* 0.35 s */, si_stime=110 /* 1.10 s */} --- [pid 5037] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5037] ioctl(3, LOOP_CLR_FD) = 0 [pid 5037] close(3) = 0 [pid 5037] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cdf690) = 402 ./strace-static-x86_64: Process 5455 attached [pid 5455] set_robust_list(0x555555cdf6a0, 24) = 0 [pid 5455] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5455] setpgid(0, 0) = 0 [pid 5455] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5455] write(3, "1000", 4) = 4 [pid 5455] close(3) = 0 [pid 5455] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5455] rt_sigaction(SIGRT_1, {sa_handler=0x7fd0d78ba680, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0d78abd30}, NULL, 8) = 0 [pid 5455] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5455] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d7831000 [pid 5455] mprotect(0x7fd0d7832000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5455] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5455] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d7851990, parent_tid=0x7fd0d7851990, exit_signal=0, stack=0x7fd0d7831000, stack_size=0x20300, tls=0x7fd0d78516c0}./strace-static-x86_64: Process 5456 attached => {parent_tid=[403]}, 88) = 403 [pid 5455] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5455] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5455] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5456] rseq(0x7fd0d7851fe0, 0x20, 0, 0x53053053) = 0 [pid 5456] set_robust_list(0x7fd0d78519a0, 24) = 0 [pid 5456] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5456] memfd_create("syzkaller", 0) = 3 [pid 5456] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0cf431000 [ 276.165436][ T5456] syz-executor317[5456]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5456] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 67108864 [pid 5454] +++ killed by SIGSEGV (core dumped) +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=401, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=53 /* 0.53 s */} --- [pid 5456] <... write resumed>) = 67108864 [pid 5456] munmap(0x7fd0cf431000, 67108864) = 0 [pid 5456] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5456] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5456] ioctl(4, LOOP_CLR_FD) = 0 [pid 5456] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5456] close(4) = 0 [pid 5456] close(3) = 0 [pid 5456] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5455] <... futex resumed>) = 0 [pid 5455] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5455] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5456] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5455] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5455] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5455] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5455] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5455] futex(0x7fd0d792b5fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5455] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5456] <... mmap resumed>) = 0x20000000 [pid 5455] <... mmap resumed>) = 0x7fd0d3410000 [pid 5455] mprotect(0x7fd0d3411000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5455] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5455] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d3430990, parent_tid=0x7fd0d3430990, exit_signal=0, stack=0x7fd0d3410000, stack_size=0x20300, tls=0x7fd0d34306c0}./strace-static-x86_64: Process 5457 attached [pid 5457] rseq(0x7fd0d3430fe0, 0x20, 0, 0x53053053 [pid 5455] <... clone3 resumed> => {parent_tid=[404]}, 88) = 404 [pid 5457] <... rseq resumed>) = 0 [pid 5455] rt_sigprocmask(SIG_SETMASK, [], [pid 5457] set_robust_list(0x7fd0d34309a0, 24 [pid 5455] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5457] <... set_robust_list resumed>) = 0 [pid 5455] futex(0x7fd0d792b5f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5457] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5455] <... futex resumed>) = 0 [pid 5457] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO [pid 5455] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5458 attached [pid 5458] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5456] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5456] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5455] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5455] close(3) = -1 EBADF (Bad file descriptor) [pid 5455] close(4) = -1 EBADF (Bad file descriptor) [pid 5455] close(5) = -1 EBADF (Bad file descriptor) [pid 5455] close(6) = -1 EBADF (Bad file descriptor) [pid 5455] close(7) = -1 EBADF (Bad file descriptor) [pid 5455] close(8) = -1 EBADF (Bad file descriptor) [pid 5455] close(9) = -1 EBADF (Bad file descriptor) [pid 5455] close(10) = -1 EBADF (Bad file descriptor) [pid 5455] close(11) = -1 EBADF (Bad file descriptor) [pid 5455] close(12) = -1 EBADF (Bad file descriptor) [pid 5455] close(13) = -1 EBADF (Bad file descriptor) [pid 5455] close(14) = -1 EBADF (Bad file descriptor) [pid 5455] close(15) = -1 EBADF (Bad file descriptor) [pid 5455] close(16) = -1 EBADF (Bad file descriptor) [pid 5455] close(17) = -1 EBADF (Bad file descriptor) [pid 5455] close(18) = -1 EBADF (Bad file descriptor) [pid 5455] close(19) = -1 EBADF (Bad file descriptor) [pid 5455] close(20) = -1 EBADF (Bad file descriptor) [pid 5455] close(21) = -1 EBADF (Bad file descriptor) [pid 5455] close(22) = -1 EBADF (Bad file descriptor) [pid 5455] close(23) = -1 EBADF (Bad file descriptor) [pid 5455] close(24) = -1 EBADF (Bad file descriptor) [pid 5455] close(25) = -1 EBADF (Bad file descriptor) [pid 5455] close(26) = -1 EBADF (Bad file descriptor) [pid 5455] close(27) = -1 EBADF (Bad file descriptor) [pid 5455] close(28) = -1 EBADF (Bad file descriptor) [pid 5455] close(29) = -1 EBADF (Bad file descriptor) [pid 5455] exit_group(0 [pid 5457] <... clone resumed>) = ? [pid 5456] <... futex resumed>) = ? [pid 5455] <... exit_group resumed>) = ? [pid 5456] +++ exited with 0 +++ [pid 5457] +++ exited with 0 +++ [pid 5455] +++ exited with 0 +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=402, si_uid=0, si_status=0, si_utime=30 /* 0.30 s */, si_stime=110 /* 1.10 s */} --- [pid 5037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5037] ioctl(3, LOOP_CLR_FD) = 0 [pid 5037] close(3) = 0 [pid 5037] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cdf690) = 406 ./strace-static-x86_64: Process 5459 attached [pid 5459] set_robust_list(0x555555cdf6a0, 24) = 0 [pid 5459] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5459] setpgid(0, 0) = 0 [pid 5459] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5459] write(3, "1000", 4) = 4 [pid 5459] close(3) = 0 [pid 5459] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5459] rt_sigaction(SIGRT_1, {sa_handler=0x7fd0d78ba680, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0d78abd30}, NULL, 8) = 0 [pid 5459] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5459] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d7831000 [pid 5459] mprotect(0x7fd0d7832000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5459] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5459] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d7851990, parent_tid=0x7fd0d7851990, exit_signal=0, stack=0x7fd0d7831000, stack_size=0x20300, tls=0x7fd0d78516c0} => {parent_tid=[407]}, 88) = 407 ./strace-static-x86_64: Process 5460 attached [pid 5460] rseq(0x7fd0d7851fe0, 0x20, 0, 0x53053053) = 0 [pid 5459] rt_sigprocmask(SIG_SETMASK, [], [pid 5460] set_robust_list(0x7fd0d78519a0, 24) = 0 [pid 5460] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5460] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5459] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5459] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5460] <... futex resumed>) = 0 [pid 5460] memfd_create("syzkaller", 0 [pid 5459] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5460] <... memfd_create resumed>) = 3 [pid 5460] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0cf431000 [ 278.177619][ T5460] syz-executor317[5460]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5458] +++ killed by SIGSEGV (core dumped) +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=405, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=51 /* 0.51 s */} --- [pid 5037] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5460] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 67108864) = 67108864 [pid 5460] munmap(0x7fd0cf431000, 67108864) = 0 [pid 5460] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5460] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5460] ioctl(4, LOOP_CLR_FD) = 0 [pid 5460] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5460] close(4) = 0 [pid 5460] close(3) = 0 [pid 5460] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5460] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5459] <... futex resumed>) = 0 [pid 5459] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5460] <... futex resumed>) = 0 [pid 5460] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5459] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5459] futex(0x7fd0d792b5fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5459] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5460] <... mmap resumed>) = 0x20000000 [pid 5460] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5460] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5459] <... mmap resumed>) = 0x7fd0d3410000 [pid 5459] mprotect(0x7fd0d3411000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5459] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5459] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d3430990, parent_tid=0x7fd0d3430990, exit_signal=0, stack=0x7fd0d3410000, stack_size=0x20300, tls=0x7fd0d34306c0}./strace-static-x86_64: Process 5461 attached => {parent_tid=[408]}, 88) = 408 [pid 5461] rseq(0x7fd0d3430fe0, 0x20, 0, 0x53053053) = 0 [pid 5459] rt_sigprocmask(SIG_SETMASK, [], [pid 5461] set_robust_list(0x7fd0d34309a0, 24 [pid 5459] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5461] <... set_robust_list resumed>) = 0 [pid 5459] futex(0x7fd0d792b5f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5461] rt_sigprocmask(SIG_SETMASK, [], [pid 5459] <... futex resumed>) = 0 [pid 5461] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5459] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5461] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5462 attached [pid 5462] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5459] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5459] close(3) = -1 EBADF (Bad file descriptor) [pid 5459] close(4) = -1 EBADF (Bad file descriptor) [pid 5459] close(5) = -1 EBADF (Bad file descriptor) [pid 5459] close(6) = -1 EBADF (Bad file descriptor) [pid 5459] close(7) = -1 EBADF (Bad file descriptor) [pid 5459] close(8) = -1 EBADF (Bad file descriptor) [pid 5459] close(9) = -1 EBADF (Bad file descriptor) [pid 5459] close(10) = -1 EBADF (Bad file descriptor) [pid 5459] close(11) = -1 EBADF (Bad file descriptor) [pid 5459] close(12) = -1 EBADF (Bad file descriptor) [pid 5459] close(13) = -1 EBADF (Bad file descriptor) [pid 5459] close(14) = -1 EBADF (Bad file descriptor) [pid 5459] close(15) = -1 EBADF (Bad file descriptor) [pid 5459] close(16) = -1 EBADF (Bad file descriptor) [pid 5459] close(17) = -1 EBADF (Bad file descriptor) [pid 5459] close(18) = -1 EBADF (Bad file descriptor) [pid 5459] close(19) = -1 EBADF (Bad file descriptor) [pid 5459] close(20) = -1 EBADF (Bad file descriptor) [pid 5459] close(21) = -1 EBADF (Bad file descriptor) [pid 5459] close(22) = -1 EBADF (Bad file descriptor) [pid 5459] close(23) = -1 EBADF (Bad file descriptor) [pid 5459] close(24) = -1 EBADF (Bad file descriptor) [pid 5459] close(25) = -1 EBADF (Bad file descriptor) [pid 5459] close(26) = -1 EBADF (Bad file descriptor) [pid 5459] close(27) = -1 EBADF (Bad file descriptor) [pid 5459] close(28) = -1 EBADF (Bad file descriptor) [pid 5459] close(29) = -1 EBADF (Bad file descriptor) [pid 5459] exit_group(0) = ? [pid 5461] <... clone resumed>) = ? [pid 5460] <... futex resumed>) = ? [pid 5461] +++ exited with 0 +++ [pid 5460] +++ exited with 0 +++ [pid 5459] +++ exited with 0 +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=406, si_uid=0, si_status=0, si_utime=24 /* 0.24 s */, si_stime=113 /* 1.13 s */} --- [pid 5037] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5037] ioctl(3, LOOP_CLR_FD) = 0 [pid 5037] close(3) = 0 [pid 5037] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cdf690) = 410 ./strace-static-x86_64: Process 5463 attached [pid 5463] set_robust_list(0x555555cdf6a0, 24) = 0 [pid 5463] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5463] setpgid(0, 0) = 0 [pid 5463] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5463] write(3, "1000", 4) = 4 [pid 5463] close(3) = 0 [pid 5463] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5463] rt_sigaction(SIGRT_1, {sa_handler=0x7fd0d78ba680, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0d78abd30}, NULL, 8) = 0 [pid 5463] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5463] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d7831000 [pid 5463] mprotect(0x7fd0d7832000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5463] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5463] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d7851990, parent_tid=0x7fd0d7851990, exit_signal=0, stack=0x7fd0d7831000, stack_size=0x20300, tls=0x7fd0d78516c0} => {parent_tid=[411]}, 88) = 411 ./strace-static-x86_64: Process 5464 attached [pid 5463] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5463] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5464] rseq(0x7fd0d7851fe0, 0x20, 0, 0x53053053 [pid 5463] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5464] <... rseq resumed>) = 0 [pid 5464] set_robust_list(0x7fd0d78519a0, 24) = 0 [pid 5464] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5464] memfd_create("syzkaller", 0) = 3 [pid 5464] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0cf431000 [ 280.260930][ T5464] syz-executor317[5464]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5462] +++ killed by SIGSEGV (core dumped) +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=409, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=47 /* 0.47 s */} --- [pid 5037] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5464] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 67108864) = 67108864 [pid 5464] munmap(0x7fd0cf431000, 67108864) = 0 [pid 5464] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5464] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5464] ioctl(4, LOOP_CLR_FD) = 0 [pid 5464] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5464] close(4) = 0 [pid 5464] close(3) = 0 [pid 5464] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5463] <... futex resumed>) = 0 [pid 5464] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5463] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5464] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5463] <... futex resumed>) = 0 [pid 5464] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5463] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5463] futex(0x7fd0d792b5fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5463] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d3410000 [pid 5463] mprotect(0x7fd0d3411000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5463] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5463] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d3430990, parent_tid=0x7fd0d3430990, exit_signal=0, stack=0x7fd0d3410000, stack_size=0x20300, tls=0x7fd0d34306c0}./strace-static-x86_64: Process 5465 attached => {parent_tid=[412]}, 88) = 412 [pid 5463] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5463] futex(0x7fd0d792b5f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5463] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5464] <... mmap resumed>) = 0x20000000 [pid 5464] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5464] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5465] rseq(0x7fd0d3430fe0, 0x20, 0, 0x53053053) = 0 [pid 5465] set_robust_list(0x7fd0d34309a0, 24) = 0 [pid 5465] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5465] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5466 attached [pid 5466] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5463] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5463] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5463] close(3) = -1 EBADF (Bad file descriptor) [pid 5463] close(4) = -1 EBADF (Bad file descriptor) [pid 5463] close(5) = -1 EBADF (Bad file descriptor) [pid 5463] close(6) = -1 EBADF (Bad file descriptor) [pid 5463] close(7) = -1 EBADF (Bad file descriptor) [pid 5463] close(8) = -1 EBADF (Bad file descriptor) [pid 5463] close(9) = -1 EBADF (Bad file descriptor) [pid 5463] close(10) = -1 EBADF (Bad file descriptor) [pid 5463] close(11) = -1 EBADF (Bad file descriptor) [pid 5463] close(12) = -1 EBADF (Bad file descriptor) [pid 5463] close(13) = -1 EBADF (Bad file descriptor) [pid 5463] close(14) = -1 EBADF (Bad file descriptor) [pid 5463] close(15) = -1 EBADF (Bad file descriptor) [pid 5463] close(16) = -1 EBADF (Bad file descriptor) [pid 5463] close(17) = -1 EBADF (Bad file descriptor) [pid 5463] close(18) = -1 EBADF (Bad file descriptor) [pid 5463] close(19) = -1 EBADF (Bad file descriptor) [pid 5463] close(20) = -1 EBADF (Bad file descriptor) [pid 5463] close(21) = -1 EBADF (Bad file descriptor) [pid 5463] close(22) = -1 EBADF (Bad file descriptor) [pid 5463] close(23) = -1 EBADF (Bad file descriptor) [pid 5463] close(24) = -1 EBADF (Bad file descriptor) [pid 5463] close(25) = -1 EBADF (Bad file descriptor) [pid 5463] close(26) = -1 EBADF (Bad file descriptor) [pid 5463] close(27) = -1 EBADF (Bad file descriptor) [pid 5463] close(28) = -1 EBADF (Bad file descriptor) [pid 5463] close(29) = -1 EBADF (Bad file descriptor) [pid 5463] exit_group(0) = ? [pid 5465] <... clone resumed>) = ? [pid 5464] <... futex resumed>) = ? [pid 5465] +++ exited with 0 +++ [pid 5464] +++ exited with 0 +++ [pid 5463] +++ exited with 0 +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=410, si_uid=0, si_status=0, si_utime=29 /* 0.29 s */, si_stime=120 /* 1.20 s */} --- [pid 5037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5037] ioctl(3, LOOP_CLR_FD) = 0 [pid 5037] close(3) = 0 [pid 5037] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5467 attached [pid 5467] set_robust_list(0x555555cdf6a0, 24) = 0 [pid 5467] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5467] setpgid(0, 0) = 0 [pid 5467] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5037] <... clone resumed>, child_tidptr=0x555555cdf690) = 414 [pid 5467] write(3, "1000", 4) = 4 [pid 5467] close(3) = 0 [pid 5467] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5467] rt_sigaction(SIGRT_1, {sa_handler=0x7fd0d78ba680, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0d78abd30}, NULL, 8) = 0 [pid 5467] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5467] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d7831000 [pid 5467] mprotect(0x7fd0d7832000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5467] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5467] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d7851990, parent_tid=0x7fd0d7851990, exit_signal=0, stack=0x7fd0d7831000, stack_size=0x20300, tls=0x7fd0d78516c0}./strace-static-x86_64: Process 5468 attached => {parent_tid=[415]}, 88) = 415 [pid 5467] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5467] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5468] rseq(0x7fd0d7851fe0, 0x20, 0, 0x53053053 [pid 5467] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5468] <... rseq resumed>) = 0 [pid 5468] set_robust_list(0x7fd0d78519a0, 24) = 0 [pid 5468] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5468] memfd_create("syzkaller", 0) = 3 [pid 5468] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0cf431000 [ 282.410850][ T5468] syz-executor317[5468]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5466] +++ killed by SIGSEGV (core dumped) +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=413, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=53 /* 0.53 s */} --- [pid 5468] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 67108864) = 67108864 [pid 5468] munmap(0x7fd0cf431000, 67108864) = 0 [pid 5468] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5468] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5468] ioctl(4, LOOP_CLR_FD) = 0 [pid 5468] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5468] close(4) = 0 [pid 5468] close(3) = 0 [pid 5468] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5467] <... futex resumed>) = 0 [pid 5467] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5467] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5468] <... futex resumed>) = 1 [pid 5468] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5467] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5467] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5467] futex(0x7fd0d792b5fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5467] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d3410000 [pid 5467] mprotect(0x7fd0d3411000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5467] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5467] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d3430990, parent_tid=0x7fd0d3430990, exit_signal=0, stack=0x7fd0d3410000, stack_size=0x20300, tls=0x7fd0d34306c0} => {parent_tid=[416]}, 88) = 416 [pid 5467] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5467] futex(0x7fd0d792b5f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5467] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5468] <... mmap resumed>) = 0x20000000 ./strace-static-x86_64: Process 5469 attached [pid 5469] rseq(0x7fd0d3430fe0, 0x20, 0, 0x53053053) = 0 [pid 5468] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5468] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5469] set_robust_list(0x7fd0d34309a0, 24) = 0 [pid 5469] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5469] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5470 attached [pid 5470] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5467] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5467] close(3) = -1 EBADF (Bad file descriptor) [pid 5467] close(4) = -1 EBADF (Bad file descriptor) [pid 5467] close(5) = -1 EBADF (Bad file descriptor) [pid 5467] close(6) = -1 EBADF (Bad file descriptor) [pid 5467] close(7) = -1 EBADF (Bad file descriptor) [pid 5467] close(8) = -1 EBADF (Bad file descriptor) [pid 5467] close(9) = -1 EBADF (Bad file descriptor) [pid 5467] close(10) = -1 EBADF (Bad file descriptor) [pid 5467] close(11) = -1 EBADF (Bad file descriptor) [pid 5467] close(12) = -1 EBADF (Bad file descriptor) [pid 5467] close(13) = -1 EBADF (Bad file descriptor) [pid 5467] close(14) = -1 EBADF (Bad file descriptor) [pid 5467] close(15) = -1 EBADF (Bad file descriptor) [pid 5467] close(16) = -1 EBADF (Bad file descriptor) [pid 5467] close(17) = -1 EBADF (Bad file descriptor) [pid 5467] close(18) = -1 EBADF (Bad file descriptor) [pid 5467] close(19) = -1 EBADF (Bad file descriptor) [pid 5467] close(20) = -1 EBADF (Bad file descriptor) [pid 5467] close(21) = -1 EBADF (Bad file descriptor) [pid 5467] close(22) = -1 EBADF (Bad file descriptor) [pid 5467] close(23) = -1 EBADF (Bad file descriptor) [pid 5467] close(24) = -1 EBADF (Bad file descriptor) [pid 5467] close(25) = -1 EBADF (Bad file descriptor) [pid 5467] close(26) = -1 EBADF (Bad file descriptor) [pid 5467] close(27) = -1 EBADF (Bad file descriptor) [pid 5467] close(28) = -1 EBADF (Bad file descriptor) [pid 5467] close(29) = -1 EBADF (Bad file descriptor) [pid 5467] exit_group(0) = ? [pid 5468] <... futex resumed>) = ? [pid 5468] +++ exited with 0 +++ [pid 5469] <... clone resumed>) = ? [pid 5469] +++ exited with 0 +++ [pid 5467] +++ exited with 0 +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=414, si_uid=0, si_status=0, si_utime=32 /* 0.32 s */, si_stime=112 /* 1.12 s */} --- [pid 5037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5037] ioctl(3, LOOP_CLR_FD) = 0 [pid 5037] close(3) = 0 [pid 5037] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cdf690) = 418 ./strace-static-x86_64: Process 5471 attached [pid 5471] set_robust_list(0x555555cdf6a0, 24) = 0 [pid 5471] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5471] setpgid(0, 0) = 0 [pid 5471] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5471] write(3, "1000", 4) = 4 [pid 5471] close(3) = 0 [pid 5471] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5471] rt_sigaction(SIGRT_1, {sa_handler=0x7fd0d78ba680, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0d78abd30}, NULL, 8) = 0 [pid 5471] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5471] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d7831000 [pid 5471] mprotect(0x7fd0d7832000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5471] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5471] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d7851990, parent_tid=0x7fd0d7851990, exit_signal=0, stack=0x7fd0d7831000, stack_size=0x20300, tls=0x7fd0d78516c0}./strace-static-x86_64: Process 5472 attached => {parent_tid=[419]}, 88) = 419 [pid 5472] rseq(0x7fd0d7851fe0, 0x20, 0, 0x53053053 [pid 5471] rt_sigprocmask(SIG_SETMASK, [], [pid 5472] <... rseq resumed>) = 0 [pid 5471] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5472] set_robust_list(0x7fd0d78519a0, 24) = 0 [pid 5472] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5471] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5471] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5472] memfd_create("syzkaller", 0) = 3 [pid 5472] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0cf431000 [ 284.574313][ T5472] syz-executor317[5472]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5470] +++ killed by SIGSEGV (core dumped) +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=417, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=53 /* 0.53 s */} --- [pid 5037] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5472] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 67108864) = 67108864 [pid 5472] munmap(0x7fd0cf431000, 67108864) = 0 [pid 5472] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5472] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5472] ioctl(4, LOOP_CLR_FD) = 0 [pid 5472] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5472] close(4) = 0 [pid 5472] close(3) = 0 [pid 5472] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5471] <... futex resumed>) = 0 [pid 5471] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5471] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5472] <... futex resumed>) = 1 [pid 5472] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5471] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5471] futex(0x7fd0d792b5fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5471] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d3410000 [pid 5471] mprotect(0x7fd0d3411000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5471] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5471] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d3430990, parent_tid=0x7fd0d3430990, exit_signal=0, stack=0x7fd0d3410000, stack_size=0x20300, tls=0x7fd0d34306c0} => {parent_tid=[420]}, 88) = 420 ./strace-static-x86_64: Process 5473 attached [pid 5471] rt_sigprocmask(SIG_SETMASK, [], [pid 5473] rseq(0x7fd0d3430fe0, 0x20, 0, 0x53053053) = 0 [pid 5471] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5471] futex(0x7fd0d792b5f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5471] futex(0x7fd0d792b5fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5472] <... mmap resumed>) = 0x20000000 [pid 5472] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5472] futex(0x7fd0d792b5e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5473] set_robust_list(0x7fd0d34309a0, 24) = 0 [pid 5473] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5473] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5474 attached [pid 5474] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5471] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 286.506005][ T29] INFO: task kworker/u4:3:48 blocked for more than 143 seconds. [ 286.525245][ T29] Not tainted 6.5.0-syzkaller-11275-gdb906f0ca6bb #0 [ 286.532536][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.555481][ T29] task:kworker/u4:3 state:D stack:21200 pid:48 ppid:2 flags:0x00004000 [ 286.564750][ T29] Workqueue: writeback wb_workfn (flush-7:0) [ 286.581089][ T29] Call Trace: [ 286.584465][ T29] [ 286.590281][ T29] __schedule+0x1873/0x48f0 [ 286.594909][ T29] ? rcu_is_watching+0x15/0xb0 [pid 5471] close(3) = -1 EBADF (Bad file descriptor) [pid 5471] close(4) = -1 EBADF (Bad file descriptor) [pid 5471] close(5) = -1 EBADF (Bad file descriptor) [pid 5471] close(6) = -1 EBADF (Bad file descriptor) [pid 5471] close(7) = -1 EBADF (Bad file descriptor) [pid 5471] close(8) = -1 EBADF (Bad file descriptor) [pid 5471] close(9) = -1 EBADF (Bad file descriptor) [pid 5471] close(10) = -1 EBADF (Bad file descriptor) [pid 5471] close(11) = -1 EBADF (Bad file descriptor) [pid 5471] close(12) = -1 EBADF (Bad file descriptor) [pid 5471] close(13) = -1 EBADF (Bad file descriptor) [pid 5471] close(14) = -1 EBADF (Bad file descriptor) [pid 5471] close(15) = -1 EBADF (Bad file descriptor) [pid 5471] close(16) = -1 EBADF (Bad file descriptor) [pid 5471] close(17) = -1 EBADF (Bad file descriptor) [pid 5471] close(18) = -1 EBADF (Bad file descriptor) [pid 5471] close(19) = -1 EBADF (Bad file descriptor) [pid 5471] close(20) = -1 EBADF (Bad file descriptor) [pid 5471] close(21) = -1 EBADF (Bad file descriptor) [pid 5471] close(22) = -1 EBADF (Bad file descriptor) [pid 5471] close(23) = -1 EBADF (Bad file descriptor) [pid 5471] close(24) = -1 EBADF (Bad file descriptor) [pid 5471] close(25) = -1 EBADF (Bad file descriptor) [pid 5471] close(26) = -1 EBADF (Bad file descriptor) [pid 5471] close(27) = -1 EBADF (Bad file descriptor) [pid 5471] close(28) = -1 EBADF (Bad file descriptor) [pid 5471] close(29) = -1 EBADF (Bad file descriptor) [pid 5471] exit_group(0) = ? [pid 5473] <... clone resumed>) = ? [pid 5473] +++ exited with 0 +++ [pid 5472] <... futex resumed>) = ? [ 286.605236][ T29] ? blk_mq_start_stopped_hw_queues+0x210/0x210 [ 286.618928][ T29] ? lock_release+0xbf/0x9d0 [ 286.623644][ T29] ? release_firmware_map_entry+0x190/0x190 [ 286.635209][ T29] ? __blk_flush_plug+0x46b/0x4c0 [ 286.640299][ T29] ? kthread_data+0x52/0xc0 [ 286.644841][ T29] ? wq_worker_sleeping+0x66/0x240 [pid 5472] +++ exited with 0 +++ [pid 5471] +++ exited with 0 +++ [pid 5037] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=418, si_uid=0, si_status=0, si_utime=29 /* 0.29 s */, si_stime=114 /* 1.14 s */} --- [pid 5037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5037] ioctl(3, LOOP_CLR_FD) = 0 [pid 5037] close(3) = 0 [pid 5037] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cdf690) = 422 ./strace-static-x86_64: Process 5475 attached [ 286.675206][ T29] schedule+0xc3/0x180 [ 286.679365][ T29] schedule_preempt_disabled+0x13/0x20 [ 286.684878][ T29] rwsem_down_write_slowpath+0xedd/0x13a0 [ 286.702617][ T29] ? rwsem_down_read_slowpath+0x950/0x950 [pid 5475] set_robust_list(0x555555cdf6a0, 24) = 0 [pid 5475] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5475] setpgid(0, 0) = 0 [pid 5475] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5475] write(3, "1000", 4) = 4 [pid 5475] close(3) = 0 [pid 5475] futex(0x7fd0d792b5ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5475] rt_sigaction(SIGRT_1, {sa_handler=0x7fd0d78ba680, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0d78abd30}, NULL, 8) = 0 [pid 5475] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5475] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0d7831000 [pid 5475] mprotect(0x7fd0d7832000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5475] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5475] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0d7851990, parent_tid=0x7fd0d7851990, exit_signal=0, stack=0x7fd0d7831000, stack_size=0x20300, tls=0x7fd0d78516c0}./strace-static-x86_64: Process 5476 attached => {parent_tid=[423]}, 88) = 423 [pid 5475] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5475] futex(0x7fd0d792b5e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5475] futex(0x7fd0d792b5ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5476] rseq(0x7fd0d7851fe0, 0x20, 0, 0x53053053) = 0 [pid 5476] set_robust_list(0x7fd0d78519a0, 24) = 0 [ 286.725264][ T29] ? rcu_is_watching+0x15/0xb0 [ 286.730118][ T29] ? read_lock_is_recursive+0x20/0x20 [ 286.755232][ T29] __down_write_common+0x1aa/0x200 [ 286.760437][ T29] ? clear_nonspinnable+0x60/0x60 [pid 5476] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5476] memfd_create("syzkaller", 0) = 3 [pid 5476] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0cf431000 [ 286.785171][ T29] ? f2fs_balance_fs+0x4f4/0x730 [ 286.787139][ T5476] syz-executor317[5476]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [ 286.790177][ T29] f2fs_balance_fs+0x500/0x730 [ 286.790217][ T29] ? __asan_memcpy+0x40/0x70 [ 286.790244][ T29] ? f2fs_write_inode+0x41b/0x4a0 [ 286.790276][ T29] ? f2fs_commit_atomic_write+0x15e0/0x15e0 [ 286.790314][ T29] ? folio_unlock+0x126/0x2f0 [ 286.790341][ T29] f2fs_write_inode+0x41b/0x4a0 [ 286.875186][ T29] __writeback_single_inode+0x69b/0xfa0 [ 286.880829][ T29] writeback_sb_inodes+0x8e3/0x11d0 [ 286.895201][ T29] ? queue_io+0x570/0x570 [ 286.899648][ T29] ? _raw_spin_unlock+0x28/0x40 [ 286.904519][ T29] ? move_expired_inodes+0x7c8/0x810 [ 286.925205][ T29] ? do_raw_spin_lock+0x14d/0x3a0 [ 286.930310][ T29] __writeback_inodes_wb+0x11b/0x260 [ 286.955484][ T29] wb_writeback+0x461/0xc60 [ 286.960082][ T29] ? rcu_lock_release+0x30/0x30 [ 286.964978][ T29] ? __lock_acquire+0x7f70/0x7f70 [ 286.985181][ T29] ? rcu_is_watching+0x15/0xb0 [ 286.990022][ T29] wb_workfn+0xbb5/0xff0 [ 286.994313][ T29] ? inode_wait_for_writeback+0x290/0x290 [ 287.015168][ T29] ? rcu_is_watching+0x15/0xb0 [ 287.019998][ T29] ? lock_acquire+0xe3/0x520 [ 287.024650][ T29] ? _raw_spin_lock_irqsave+0xe1/0x120 [ 287.045200][ T29] ? print_irqtrace_events+0x220/0x220 [ 287.050728][ T29] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 287.062181][ T29] ? rcu_is_watching+0x15/0xb0 [ 287.072414][ T29] process_one_work+0x781/0x1130 [ 287.084231][ T29] ? worker_detach_from_pool+0x290/0x290 [ 287.096569][ T29] ? assign_work+0x364/0x3d0 [ 287.101331][ T29] worker_thread+0xabf/0x1060 [ 287.111031][ T29] kthread+0x2b8/0x350 [ 287.125338][ T29] ? pr_cont_work+0x5e0/0x5e0 [ 287.130132][ T29] ? kthread_blkcg+0xd0/0xd0 [ 287.134745][ T29] ret_from_fork+0x48/0x80 [ 287.165159][ T29] ? kthread_blkcg+0xd0/0xd0 [ 287.171262][ T29] ret_from_fork_asm+0x11/0x20 [ 287.179250][ T29] [ 287.183992][ T29] INFO: lockdep is turned off. [ 287.197896][ T29] NMI backtrace for cpu 1 [ 287.202270][ T29] CPU: 1 PID: 29 Comm: khungtaskd Not tainted 6.5.0-syzkaller-11275-gdb906f0ca6bb #0 [ 287.211752][ T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 [ 287.221835][ T29] Call Trace: [ 287.225136][ T29] [ 287.228089][ T29] dump_stack_lvl+0x1e7/0x2d0 [ 287.232794][ T29] ? nf_tcp_handle_invalid+0x650/0x650 [ 287.238281][ T29] ? panic+0x770/0x770 [ 287.242389][ T29] nmi_cpu_backtrace+0x498/0x4d0 [ 287.247363][ T29] ? nmi_trigger_cpumask_backtrace+0x310/0x310 [ 287.253553][ T29] ? panic+0x770/0x770 [ 287.257696][ T29] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 287.263799][ T29] nmi_trigger_cpumask_backtrace+0x198/0x310 [ 287.269814][ T29] watchdog+0xdf5/0xe40 [ 287.274003][ T29] kthread+0x2b8/0x350 [ 287.278095][ T29] ? hungtask_pm_notify+0x90/0x90 [ 287.283145][ T29] ? kthread_blkcg+0xd0/0xd0 [ 287.287762][ T29] ret_from_fork+0x48/0x80 [ 287.292204][ T29] ? kthread_blkcg+0xd0/0xd0 [ 287.296815][ T29] ret_from_fork_asm+0x11/0x20 [ 287.301623][ T29] [ 287.304834][ T29] Sending NMI from CPU 1 to CPUs 0: [ 287.310114][ C0] NMI backtrace for cpu 0 [ 287.310124][ C0] CPU: 0 PID: 5474 Comm: syz-executor317 Not tainted 6.5.0-syzkaller-11275-gdb906f0ca6bb #0 [ 287.310146][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 [ 287.310156][ C0] RIP: 0010:lock_acquire+0x37/0x520 [ 287.310183][ C0] Code: 55 41 54 53 48 83 e4 e0 48 81 ec 20 01 00 00 4c 89 4c 24 28 4c 89 44 24 38 48 89 4c 24 30 89 54 24 1c 41 89 f6 48 89 7c 24 20 <65> 48 8b 04 25 28 00 00 00 48 89 84 24 00 01 00 00 49 bd 00 00 00 [ 287.310196][ C0] RSP: 0000:ffffc900049a6fc0 EFLAGS: 00000286 [ 287.310211][ C0] RAX: ffffffff81f2ac5e RBX: ffffea0001aab080 RCX: 0000000000000002 [ 287.310223][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8d32c4a0 [ 287.310233][ C0] RBP: ffffc900049a7110 R08: 0000000000000000 R09: 0000000000000000 [ 287.310243][ C0] R10: dffffc0000000000 R11: fffff94000355617 R12: ffffea0001aab098 [ 287.310255][ C0] R13: 0000000000000000 R14: 0000000000000000 R15: ffffea0001aab080 [ 287.310265][ C0] FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 287.310278][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 287.310289][ C0] CR2: 00007fd0d13e7000 CR3: 0000000017354000 CR4: 00000000003506f0 [ 287.310303][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 287.310312][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 287.310322][ C0] Call Trace: [ 287.310327][ C0] [ 287.310332][ C0] ? nmi_cpu_backtrace+0x3be/0x4d0 [ 287.310357][ C0] ? nmi_trigger_cpumask_backtrace+0x310/0x310 [ 287.310384][ C0] ? lock_acquire+0x37/0x520 [ 287.310408][ C0] ? nmi_cpu_backtrace_handler+0xc/0x10 [ 287.310432][ C0] ? nmi_handle+0x125/0x530 [ 287.310456][ C0] ? lock_acquire+0x37/0x520 [ 287.310478][ C0] ? default_do_nmi+0x62/0x150 [ 287.310499][ C0] ? exc_nmi+0x11e/0x1f0 [ 287.310518][ C0] ? end_repeat_nmi+0x16/0x31 [ 287.310543][ C0] ? rcu_lock_acquire+0xe/0x40 [ 287.310562][ C0] ? lock_acquire+0x37/0x520 [ 287.310585][ C0] ? lock_acquire+0x37/0x520 [ 287.310608][ C0] ? lock_acquire+0x37/0x520 [ 287.310630][ C0] [ 287.310635][ C0] [ 287.310645][ C0] ? rcu_is_watching+0x15/0xb0 [ 287.310665][ C0] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 287.310682][ C0] ? _raw_spin_unlock+0x40/0x40 [ 287.310695][ C0] ? __dentry_kill+0x436/0x650 [ 287.310721][ C0] ? task_work_run+0x24a/0x300 [ 287.310735][ C0] ? __lock_acquire+0x7f70/0x7f70 [ 287.310757][ C0] ? arch_do_signal_or_restart+0x96/0x860 [ 287.310785][ C0] rcu_lock_acquire+0x2e/0x40 [ 287.310803][ C0] ? rcu_lock_acquire+0x5/0x40 [ 287.310820][ C0] page_ext_get+0x1c/0x270 [ 287.310839][ C0] __reset_page_owner+0x2f/0x190 [ 287.310866][ C0] free_unref_page_prepare+0x8c3/0x9f0 [ 287.310896][ C0] free_unref_page_list+0x596/0x830 [ 287.310922][ C0] ? __mod_zone_page_state+0xda/0x140 [ 287.310949][ C0] release_pages+0x2113/0x23f0 [ 287.310974][ C0] ? lru_cache_disable+0x30/0x30 [ 287.310993][ C0] ? do_raw_spin_unlock+0x13b/0x8b0 [ 287.311010][ C0] ? rcu_is_watching+0x15/0xb0 [ 287.311032][ C0] __folio_batch_release+0x84/0x100 [ 287.311052][ C0] shmem_undo_range+0x6ad/0x19c0 [ 287.311075][ C0] ? deref_stack_reg+0x1c7/0x250 [ 287.311092][ C0] ? shmem_truncate_range+0xa0/0xa0 [ 287.311124][ C0] ? __lock_acquire+0x7f70/0x7f70 [ 287.311156][ C0] ? do_raw_spin_lock+0x14d/0x3a0 [ 287.311177][ C0] shmem_evict_inode+0x29e/0xa80 [ 287.311200][ C0] ? inode_wait_for_writeback+0x223/0x290 [ 287.311224][ C0] ? shmem_free_in_core_inode+0xb0/0xb0 [ 287.311244][ C0] ? sb_clear_inode_writeback+0x370/0x370 [ 287.311269][ C0] ? bit_waitqueue+0x30/0x30 [ 287.311290][ C0] ? do_raw_spin_unlock+0x13b/0x8b0 [ 287.311308][ C0] ? shmem_free_in_core_inode+0xb0/0xb0 [ 287.311329][ C0] evict+0x2a4/0x620 [ 287.311353][ C0] __dentry_kill+0x436/0x650 [ 287.311381][ C0] dentry_kill+0xbb/0x290 [ 287.311406][ C0] dput+0x1f3/0x420 [ 287.311430][ C0] __fput+0x60d/0x910 [ 287.311461][ C0] task_work_run+0x24a/0x300 [ 287.311478][ C0] ? task_work_cancel+0x2b0/0x2b0 [ 287.311496][ C0] ? switch_task_namespaces+0xe1/0x110 [ 287.311520][ C0] do_exit+0x68f/0x2290 [ 287.311551][ C0] ? put_task_struct+0xc0/0xc0 [ 287.311585][ C0] do_group_exit+0x206/0x2c0 [ 287.311602][ C0] get_signal+0x175d/0x1840 [ 287.311627][ C0] ? ptrace_notify+0x380/0x380 [ 287.311642][ C0] ? force_sig_fault+0x12b/0x1d0 [ 287.311663][ C0] arch_do_signal_or_restart+0x96/0x860 [ 287.311691][ C0] ? get_sigframe_size+0x20/0x20 [ 287.311723][ C0] ? rcu_is_watching+0x15/0xb0 [ 287.311742][ C0] exit_to_user_mode_loop+0x6a/0x100 [ 287.311762][ C0] exit_to_user_mode_prepare+0xb1/0x140 [ 287.311782][ C0] irqentry_exit_to_user_mode+0x9/0x40 [ 287.311805][ C0] exc_page_fault+0x57c/0x860 [ 287.311830][ C0] asm_exc_page_fault+0x26/0x30 [ 287.311849][ C0] RIP: 0033:0x0 [ 287.311859][ C0] Code: Unable to access opcode bytes at 0xffffffffffffffd6. [ 287.311867][ C0] RSP: 002b:00000000200001c8 EFLAGS: 00010217 [ 287.311879][ C0] RAX: 0000000000000000 RBX: 00007fd0d792b5f8 RCX: 00007fd0d7894769 [ 287.311889][ C0] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000080004000 [ 287.311899][ C0] RBP: 00007fd0d792b5f0 R08: 0000000000000000 R09: 0000000000000000 [ 287.311909][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd0d78e81e0 [ 287.311918][ C0] R13: 0030656c69662f2e R14: 0000000080004000 R15: b635773f06ebbeee [ 287.311938][ C0] [ 287.311944][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.829 msecs [ 287.854294][ T29] Kernel panic - not syncing: hung_task: blocked tasks [ 287.861166][ T29] CPU: 1 PID: 29 Comm: khungtaskd Not tainted 6.5.0-syzkaller-11275-gdb906f0ca6bb #0 [ 287.870647][ T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 [ 287.880720][ T29] Call Trace: [ 287.884013][ T29] [ 287.886962][ T29] dump_stack_lvl+0x1e7/0x2d0 [ 287.891670][ T29] ? nf_tcp_handle_invalid+0x650/0x650 [ 287.897157][ T29] ? panic+0x770/0x770 [ 287.901258][ T29] ? vscnprintf+0x5d/0x80 [ 287.905610][ T29] panic+0x30f/0x770 [ 287.909534][ T29] ? schedule_preempt_disabled+0x20/0x20 [ 287.915196][ T29] ? nmi_trigger_cpumask_backtrace+0x244/0x310 [ 287.921397][ T29] ? __memcpy_flushcache+0x2b0/0x2b0 [ 287.926720][ T29] ? __irq_work_queue_local+0x137/0x3e0 [ 287.932290][ T29] ? preempt_schedule_thunk+0x1a/0x30 [ 287.937692][ T29] ? nmi_trigger_cpumask_backtrace+0x244/0x310 [ 287.943883][ T29] ? nmi_trigger_cpumask_backtrace+0x2c5/0x310 [ 287.950090][ T29] ? nmi_trigger_cpumask_backtrace+0x2ca/0x310 [ 287.956287][ T29] watchdog+0xe33/0xe40 [ 287.960473][ T29] kthread+0x2b8/0x350 [ 287.964564][ T29] ? hungtask_pm_notify+0x90/0x90 [ 287.969615][ T29] ? kthread_blkcg+0xd0/0xd0 [ 287.974236][ T29] ret_from_fork+0x48/0x80 [ 287.978678][ T29] ? kthread_blkcg+0xd0/0xd0 [ 287.983290][ T29] ret_from_fork_asm+0x11/0x20 [ 287.988092][ T29] [ 287.991386][ T29] Kernel Offset: disabled [ 287.995713][ T29] Rebooting in 86400 seconds..