./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3998053410 <...> Warning: Permanently added '10.128.0.153' (ECDSA) to the list of known hosts. execve("./syz-executor3998053410", ["./syz-executor3998053410"], 0x7ffeac8a8b90 /* 10 vars */) = 0 brk(NULL) = 0x5555572f3000 brk(0x5555572f3c40) = 0x5555572f3c40 arch_prctl(ARCH_SET_FS, 0x5555572f3300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 set_tid_address(0x5555572f35d0) = 3606 set_robust_list(0x5555572f35e0, 24) = 0 rt_sigaction(SIGRTMIN, {sa_handler=0x7f8addc97730, sa_mask=[], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x7f8addc97e00}, NULL, 8) = 0 rt_sigaction(SIGRT_1, {sa_handler=0x7f8addc977d0, sa_mask=[], sa_flags=SA_RESTORER|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8addc97e00}, NULL, 8) = 0 rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3998053410", 4096) = 28 brk(0x555557314c40) = 0x555557314c40 brk(0x555557315000) = 0x555557315000 mprotect(0x7f8addd59000, 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 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555572f35d0) = 3607 ./strace-static-x86_64: Process 3607 attached [pid 3607] set_robust_list(0x5555572f35e0, 24 [pid 3606] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3607] <... set_robust_list resumed>) = 0 [pid 3607] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3606] <... clone resumed>, child_tidptr=0x5555572f35d0) = 3608 ./strace-static-x86_64: Process 3608 attached [pid 3606] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3607] <... openat resumed>) = 3 [pid 3607] ioctl(3, LOOP_CLR_FD [pid 3606] <... clone resumed>, child_tidptr=0x5555572f35d0) = 3609 [pid 3606] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3607] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3607] close(3./strace-static-x86_64: Process 3610 attached ./strace-static-x86_64: Process 3609 attached [pid 3606] <... clone resumed>, child_tidptr=0x5555572f35d0) = 3610 [pid 3608] set_robust_list(0x5555572f35e0, 24 [pid 3607] <... close resumed>) = 0 [pid 3606] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555572f35d0) = 3611 [pid 3606] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555572f35d0) = 3612 [pid 3608] <... set_robust_list resumed>) = 0 [pid 3608] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 3608] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3608] close(3) = 0 [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555572f35d0) = 3613 [pid 3610] set_robust_list(0x5555572f35e0, 24 [pid 3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3610] <... set_robust_list resumed>) = 0 [pid 3610] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 3607] <... clone resumed>, child_tidptr=0x5555572f35d0) = 3614 [pid 3610] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3610] close(3) = 0 [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555572f35d0) = 3615 ./strace-static-x86_64: Process 3613 attached ./strace-static-x86_64: Process 3612 attached ./strace-static-x86_64: Process 3611 attached [pid 3612] set_robust_list(0x5555572f35e0, 24 [pid 3611] set_robust_list(0x5555572f35e0, 24 [pid 3612] <... set_robust_list resumed>) = 0 [pid 3611] <... set_robust_list resumed>) = 0 [pid 3609] set_robust_list(0x5555572f35e0, 24) = 0 [pid 3612] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 3611] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 3613] set_robust_list(0x5555572f35e0, 24 [pid 3609] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3613] <... set_robust_list resumed>) = 0 [pid 3613] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3609] <... openat resumed>) = 3 [pid 3609] ioctl(3, LOOP_CLR_FD [pid 3612] <... openat resumed>) = 3 ./strace-static-x86_64: Process 3614 attached [pid 3613] <... prctl resumed>) = 0 [pid 3611] ioctl(3, LOOP_CLR_FD [pid 3613] setpgid(0, 0 [pid 3612] ioctl(3, LOOP_CLR_FD [pid 3614] set_robust_list(0x5555572f35e0, 24 [pid 3609] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3613] <... setpgid resumed>) = 0 [pid 3613] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3611] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3609] close(3 [pid 3613] <... openat resumed>) = 3 [pid 3609] <... close resumed>) = 0 [pid 3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3614] <... set_robust_list resumed>) = 0 [pid 3613] write(3, "1000", 4 [pid 3612] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3611] close(3 [pid 3609] <... clone resumed>, child_tidptr=0x5555572f35d0) = 3617 ./strace-static-x86_64: Process 3617 attached [pid 3617] set_robust_list(0x5555572f35e0, 24) = 0 [pid 3617] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3617] setpgid(0, 0) = 0 [pid 3617] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3617] write(3, "1000", 4) = 4 [pid 3617] close(3) = 0 [pid 3617] futex(0x7f8addd5f3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3617] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8addc67000 [pid 3614] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3612] close(3 [pid 3611] <... close resumed>) = 0 [pid 3613] <... write resumed>) = 4 ./strace-static-x86_64: Process 3615 attached [pid 3614] <... prctl resumed>) = 0 [pid 3613] close(3 [pid 3612] <... close resumed>) = 0 [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3614] setpgid(0, 0 [pid 3612] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3617] mprotect(0x7f8addc68000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3617] clone(child_stack=0x7f8addc873f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3614] <... setpgid resumed>) = 0 [pid 3613] <... close resumed>) = 0 [pid 3612] <... clone resumed>, child_tidptr=0x5555572f35d0) = 3619 [pid 3611] <... clone resumed>, child_tidptr=0x5555572f35d0) = 3618 [pid 3614] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3613] futex(0x7f8addd5f3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3614] <... openat resumed>) = 3 [pid 3613] <... futex resumed>) = 0 ./strace-static-x86_64: Process 3619 attached [pid 3615] set_robust_list(0x5555572f35e0, 24 [pid 3614] write(3, "1000", 4 [pid 3613] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3614] <... write resumed>) = 4 [pid 3613] <... mmap resumed>) = 0x7f8addc67000 [pid 3615] <... set_robust_list resumed>) = 0 [pid 3614] close(3 [pid 3613] mprotect(0x7f8addc68000, 131072, PROT_READ|PROT_WRITE [pid 3615] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3617] <... clone resumed>, parent_tid=[3620], tls=0x7f8addc87700, child_tidptr=0x7f8addc879d0) = 3620 [pid 3617] futex(0x7f8addd5f3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3615] <... prctl resumed>) = 0 [pid 3614] <... close resumed>) = 0 [pid 3613] <... mprotect resumed>) = 0 [pid 3619] set_robust_list(0x5555572f35e0, 24 [pid 3613] clone(child_stack=0x7f8addc873f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3614] futex(0x7f8addd5f3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3614] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8addc67000 [pid 3613] <... clone resumed>, parent_tid=[3621], tls=0x7f8addc87700, child_tidptr=0x7f8addc879d0) = 3621 [pid 3614] mprotect(0x7f8addc68000, 131072, PROT_READ|PROT_WRITE [pid 3613] futex(0x7f8addd5f3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3617] futex(0x7f8addd5f3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 3614] <... mprotect resumed>) = 0 [pid 3613] <... futex resumed>) = 0 [pid 3615] setpgid(0, 0./strace-static-x86_64: Process 3618 attached [pid 3614] clone(child_stack=0x7f8addc873f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3615] <... setpgid resumed>) = 0 [pid 3613] futex(0x7f8addd5f3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 3614] <... clone resumed>, parent_tid=[3622], tls=0x7f8addc87700, child_tidptr=0x7f8addc879d0) = 3622 [pid 3615] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3614] futex(0x7f8addd5f3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3614] futex(0x7f8addd5f3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 3618] set_robust_list(0x5555572f35e0, 24 [pid 3615] <... openat resumed>) = 3 [pid 3618] <... set_robust_list resumed>) = 0 [pid 3615] write(3, "1000", 4) = 4 [pid 3618] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3615] close(3 [pid 3619] <... set_robust_list resumed>) = 0 [pid 3615] <... close resumed>) = 0 [pid 3615] futex(0x7f8addd5f3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3618] <... prctl resumed>) = 0 [pid 3615] <... futex resumed>) = 0 [pid 3618] setpgid(0, 0 [pid 3615] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3619] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3618] <... setpgid resumed>) = 0 [pid 3619] <... prctl resumed>) = 0 [pid 3618] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3615] <... mmap resumed>) = 0x7f8addc67000 [pid 3619] setpgid(0, 0 [pid 3618] <... openat resumed>) = 3 [pid 3615] mprotect(0x7f8addc68000, 131072, PROT_READ|PROT_WRITE [pid 3618] write(3, "1000", 4 [pid 3615] <... mprotect resumed>) = 0 [pid 3619] <... setpgid resumed>) = 0 [pid 3618] <... write resumed>) = 4 [pid 3619] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3618] close(3 [pid 3615] clone(child_stack=0x7f8addc873f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 3622 attached [pid 3618] <... close resumed>) = 0 [pid 3622] set_robust_list(0x7f8addc879e0, 24 [pid 3619] <... openat resumed>) = 3 [pid 3618] futex(0x7f8addd5f3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3622] <... set_robust_list resumed>) = 0 [pid 3618] <... futex resumed>) = 0 [pid 3622] memfd_create("syzkaller", 0 [pid 3618] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3622] <... memfd_create resumed>) = 3 [pid 3618] <... mmap resumed>) = 0x7f8addc67000 [pid 3615] <... clone resumed>, parent_tid=[3623], tls=0x7f8addc87700, child_tidptr=0x7f8addc879d0) = 3623 [pid 3622] ftruncate(3, 139264 [pid 3619] write(3, "1000", 4 [pid 3618] mprotect(0x7f8addc68000, 131072, PROT_READ|PROT_WRITE [pid 3615] futex(0x7f8addd5f3e8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 3621 attached ./strace-static-x86_64: Process 3620 attached [pid 3622] <... ftruncate resumed>) = 0 [pid 3619] <... write resumed>) = 4 [pid 3618] <... mprotect resumed>) = 0 [pid 3615] <... futex resumed>) = 0 [pid 3622] pwrite64(3, "\x00\x04\x00\x00\x00\x00\x01\x00\x01\x00\x44\x00\x00\x00\x00\x00\xff\xff\xff\x7f\x80\x00\x00\x00\x5a\x4d", 26, 1024 [pid 3621] set_robust_list(0x7f8addc879e0, 24 [pid 3620] set_robust_list(0x7f8addc879e0, 24 [pid 3619] close(3 [pid 3618] clone(child_stack=0x7f8addc873f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3615] futex(0x7f8addd5f3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000}./strace-static-x86_64: Process 3623 attached [pid 3622] <... pwrite64 resumed>) = 26 [pid 3621] <... set_robust_list resumed>) = 0 [pid 3620] <... set_robust_list resumed>) = 0 [pid 3619] <... close resumed>) = 0 [pid 3623] set_robust_list(0x7f8addc879e0, 24 [pid 3622] pwrite64(3, "\xfe\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"..., 2214, 2176 [pid 3621] memfd_create("syzkaller", 0 [pid 3620] memfd_create("syzkaller", 0 [pid 3619] futex(0x7f8addd5f3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3618] <... clone resumed>, parent_tid=[3624], tls=0x7f8addc87700, child_tidptr=0x7f8addc879d0) = 3624 [pid 3623] <... set_robust_list resumed>) = 0 [pid 3622] <... pwrite64 resumed>) = 2214 [pid 3621] <... memfd_create resumed>) = 3 [pid 3620] <... memfd_create resumed>) = 3 [pid 3619] <... futex resumed>) = 0 [pid 3618] futex(0x7f8addd5f3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3622] pwrite64(3, NULL, 0, 69632 [pid 3621] ftruncate(3, 139264 [pid 3620] ftruncate(3, 139264 [pid 3619] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3618] <... futex resumed>) = 0 [pid 3623] memfd_create("syzkaller", 0 [pid 3622] <... pwrite64 resumed>) = 0 [pid 3621] <... ftruncate resumed>) = 0 [pid 3620] <... ftruncate resumed>) = 0 [pid 3619] <... mmap resumed>) = 0x7f8addc67000 [pid 3618] futex(0x7f8addd5f3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 3623] <... memfd_create resumed>) = 3 [pid 3622] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3621] pwrite64(3, "\x00\x04\x00\x00\x00\x00\x01\x00\x01\x00\x44\x00\x00\x00\x00\x00\xff\xff\xff\x7f\x80\x00\x00\x00\x5a\x4d", 26, 1024 [pid 3620] pwrite64(3, "\x00\x04\x00\x00\x00\x00\x01\x00\x01\x00\x44\x00\x00\x00\x00\x00\xff\xff\xff\x7f\x80\x00\x00\x00\x5a\x4d", 26, 1024 [pid 3619] mprotect(0x7f8addc68000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 3624 attached [pid 3623] ftruncate(3, 139264 [pid 3622] <... openat resumed>) = 4 [pid 3621] <... pwrite64 resumed>) = 26 [pid 3620] <... pwrite64 resumed>) = 26 [pid 3619] <... mprotect resumed>) = 0 [pid 3624] set_robust_list(0x7f8addc879e0, 24 [pid 3623] <... ftruncate resumed>) = 0 [pid 3622] ioctl(4, LOOP_SET_FD, 3 [pid 3621] pwrite64(3, "\xfe\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"..., 2214, 2176 [pid 3620] pwrite64(3, "\xfe\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"..., 2214, 2176 [pid 3624] <... set_robust_list resumed>) = 0 [pid 3623] pwrite64(3, "\x00\x04\x00\x00\x00\x00\x01\x00\x01\x00\x44\x00\x00\x00\x00\x00\xff\xff\xff\x7f\x80\x00\x00\x00\x5a\x4d", 26, 1024 [pid 3621] <... pwrite64 resumed>) = 2214 [pid 3620] <... pwrite64 resumed>) = 2214 [pid 3619] clone(child_stack=0x7f8addc873f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3624] memfd_create("syzkaller", 0 [pid 3623] <... pwrite64 resumed>) = 26 [pid 3621] pwrite64(3, NULL, 0, 69632 [pid 3620] pwrite64(3, NULL, 0, 69632./strace-static-x86_64: Process 3625 attached [pid 3624] <... memfd_create resumed>) = 3 [pid 3623] pwrite64(3, "\xfe\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"..., 2214, 2176 [pid 3621] <... pwrite64 resumed>) = 0 [pid 3620] <... pwrite64 resumed>) = 0 [pid 3619] <... clone resumed>, parent_tid=[3625], tls=0x7f8addc87700, child_tidptr=0x7f8addc879d0) = 3625 [pid 3624] ftruncate(3, 139264 [pid 3623] <... pwrite64 resumed>) = 2214 [pid 3621] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3620] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3619] futex(0x7f8addd5f3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3625] set_robust_list(0x7f8addc879e0, 24 [pid 3624] <... ftruncate resumed>) = 0 [pid 3623] pwrite64(3, NULL, 0, 69632 [pid 3621] <... openat resumed>) = 4 [pid 3620] <... openat resumed>) = 4 [pid 3619] <... futex resumed>) = 0 [pid 3625] <... set_robust_list resumed>) = 0 [pid 3624] pwrite64(3, "\x00\x04\x00\x00\x00\x00\x01\x00\x01\x00\x44\x00\x00\x00\x00\x00\xff\xff\xff\x7f\x80\x00\x00\x00\x5a\x4d", 26, 1024 [pid 3623] <... pwrite64 resumed>) = 0 [pid 3621] ioctl(4, LOOP_SET_FD, 3 [pid 3620] ioctl(4, LOOP_SET_FD, 3 [pid 3619] futex(0x7f8addd5f3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 3625] memfd_create("syzkaller", 0 [pid 3624] <... pwrite64 resumed>) = 26 [pid 3623] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3624] pwrite64(3, "\xfe\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"..., 2214, 2176) = 2214 [pid 3622] <... ioctl resumed>) = 0 [pid 3624] pwrite64(3, NULL, 0, 69632 [pid 3622] mkdir("./file0", 0777 [pid 3624] <... pwrite64 resumed>) = 0 [pid 3624] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 3624] ioctl(4, LOOP_SET_FD, 3 [pid 3625] <... memfd_create resumed>) = 3 [pid 3623] <... openat resumed>) = 4 [pid 3622] <... mkdir resumed>) = 0 [pid 3621] <... ioctl resumed>) = 0 syzkaller login: [ 42.133796][ T3622] loop0: detected capacity change from 0 to 272 [ 42.145220][ T3621] loop1: detected capacity change from 0 to 272 [ 42.145264][ T3620] loop2: detected capacity change from 0 to 272 [ 42.154518][ T2972] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 42.161200][ T3624] loop4: detected capacity change from 0 to 272 [ 42.167769][ T2972] Buffer I/O error on dev loop2, logical block 0, async page read [pid 3622] mount("/dev/loop0", "./file0", "minix", 0, "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff" [pid 3625] ftruncate(3, 139264 [pid 3623] ioctl(4, LOOP_SET_FD, 3 [pid 3621] mkdir("./file0", 0777 [pid 3625] <... ftruncate resumed>) = 0 [pid 3620] <... ioctl resumed>) = 0 [pid 3620] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3620] mount("/dev/loop2", "./file0", "minix", 0, "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff" [pid 3624] <... ioctl resumed>) = 0 [pid 3624] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3624] mount("/dev/loop4", "./file0", "minix", 0, "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff" [pid 3625] pwrite64(3, "\x00\x04\x00\x00\x00\x00\x01\x00\x01\x00\x44\x00\x00\x00\x00\x00\xff\xff\xff\x7f\x80\x00\x00\x00\x5a\x4d", 26, 1024 [pid 3623] <... ioctl resumed>) = 0 [pid 3621] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3622] <... mount resumed>) = -1 ENOTDIR (Not a directory) [pid 3622] ioctl(4, LOOP_CLR_FD [pid 3624] <... mount resumed>) = -1 ENOTDIR (Not a directory) [pid 3624] ioctl(4, LOOP_CLR_FD [pid 3625] <... pwrite64 resumed>) = 26 [pid 3625] pwrite64(3, "\xfe\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"..., 2214, 2176) = 2214 [pid 3617] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3625] pwrite64(3, NULL, 0, 69632 [pid 3617] futex(0x7f8addd5f3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3625] <... pwrite64 resumed>) = 0 [pid 3617] <... futex resumed>) = 0 [pid 3625] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 3617] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3625] <... openat resumed>) = 4 [pid 3617] <... mmap resumed>) = 0x7f8addc46000 [pid 3625] ioctl(4, LOOP_SET_FD, 3 [pid 3617] mprotect(0x7f8addc47000, 131072, PROT_READ|PROT_WRITE [pid 3623] mkdir("./file0", 0777 [pid 3621] mount("/dev/loop1", "./file0", "minix", 0, "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff" [pid 3614] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3613] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3623] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3623] mount("/dev/loop3", "./file0", "minix", 0, "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff" [pid 3617] <... mprotect resumed>) = 0 [pid 3615] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3614] futex(0x7f8addd5f3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] futex(0x7f8addd5f3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3617] clone(child_stack=0x7f8addc663f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3626], tls=0x7f8addc66700, child_tidptr=0x7f8addc669d0) = 3626 [pid 3617] futex(0x7f8addd5f3f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3617] futex(0x7f8addd5f3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3618] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3618] futex(0x7f8addd5f3fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3618] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8addc46000 [pid 3618] mprotect(0x7f8addc47000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3618] clone(child_stack=0x7f8addc663f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3627], tls=0x7f8addc66700, child_tidptr=0x7f8addc669d0) = 3627 [pid 3618] futex(0x7f8addd5f3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3615] futex(0x7f8addd5f3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3614] <... futex resumed>) = 0 [pid 3613] <... futex resumed>) = 0 [pid 3618] <... futex resumed>) = 0 [pid 3615] <... futex resumed>) = 0 [pid 3614] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3613] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3618] futex(0x7f8addd5f3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3625] <... ioctl resumed>) = 0 [ 42.181896][ T2972] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 42.183374][ T3622] init_special_inode: bogus i_mode (177777) for inode loop0:1 [ 42.192080][ T3623] loop3: detected capacity change from 0 to 272 [ 42.203681][ T3624] init_special_inode: bogus i_mode (177777) for inode loop4:1 [ 42.205597][ T2972] Buffer I/O error on dev loop2, logical block 0, async page read [ 42.221314][ T3625] loop5: detected capacity change from 0 to 272 [ 42.228218][ T2972] loop2: unable to read partition table [pid 3625] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3625] mount("/dev/loop5", "./file0", "minix", 0, "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"./strace-static-x86_64: Process 3627 attached [pid 3627] set_robust_list(0x7f8addc669e0, 24) = 0 [pid 3627] mount("/dev/loop4", "./file0", "minix", 0, NULL [pid 3615] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3614] <... mmap resumed>) = 0x7f8addc46000 [pid 3613] <... mmap resumed>) = 0x7f8addc46000 [pid 3615] <... mmap resumed>) = 0x7f8addc46000 [pid 3614] mprotect(0x7f8addc47000, 131072, PROT_READ|PROT_WRITE [pid 3613] mprotect(0x7f8addc47000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 3626 attached [pid 3615] mprotect(0x7f8addc47000, 131072, PROT_READ|PROT_WRITE [pid 3614] <... mprotect resumed>) = 0 [pid 3613] <... mprotect resumed>) = 0 [pid 3615] <... mprotect resumed>) = 0 [pid 3614] clone(child_stack=0x7f8addc663f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3626] set_robust_list(0x7f8addc669e0, 24 [pid 3619] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3615] clone(child_stack=0x7f8addc663f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3613] clone(child_stack=0x7f8addc663f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3623] <... mount resumed>) = -1 ENOTDIR (Not a directory) [pid 3621] <... mount resumed>) = -1 ENOTDIR (Not a directory) [pid 3626] <... set_robust_list resumed>) = 0 [pid 3623] ioctl(4, LOOP_CLR_FD [pid 3621] ioctl(4, LOOP_CLR_FD [pid 3619] futex(0x7f8addd5f3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3614] <... clone resumed>, parent_tid=[3628], tls=0x7f8addc66700, child_tidptr=0x7f8addc669d0) = 3628 ./strace-static-x86_64: Process 3629 attached [pid 3629] set_robust_list(0x7f8addc669e0, 24 [pid 3626] mount("/dev/loop2", "./file0", "minix", 0, NULL [pid 3619] <... futex resumed>) = 0 [pid 3619] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3615] <... clone resumed>, parent_tid=[3629], tls=0x7f8addc66700, child_tidptr=0x7f8addc669d0) = 3629 [pid 3614] futex(0x7f8addd5f3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] <... clone resumed>, parent_tid=[3630], tls=0x7f8addc66700, child_tidptr=0x7f8addc669d0) = 3630 [pid 3622] <... ioctl resumed>) = 0 [pid 3619] <... mmap resumed>) = 0x7f8addc46000 [pid 3617] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3615] futex(0x7f8addd5f3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3614] <... futex resumed>) = 0 [pid 3613] futex(0x7f8addd5f3f8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 3630 attached ./strace-static-x86_64: Process 3628 attached [pid 3629] <... set_robust_list resumed>) = 0 [pid 3622] close(4 [pid 3619] mprotect(0x7f8addc47000, 131072, PROT_READ|PROT_WRITE [pid 3615] <... futex resumed>) = 0 [pid 3614] futex(0x7f8addd5f3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3613] <... futex resumed>) = 0 [pid 3630] set_robust_list(0x7f8addc669e0, 24 [pid 3629] mount("/dev/loop3", "./file0", "minix", 0, NULL [pid 3628] set_robust_list(0x7f8addc669e0, 24 [pid 3626] <... mount resumed>) = -1 ENOTDIR (Not a directory) [pid 3622] <... close resumed>) = 0 [ 42.236483][ T3623] init_special_inode: bogus i_mode (177777) for inode loop3:1 [ 42.244922][ T3621] init_special_inode: bogus i_mode (177777) for inode loop1:1 [ 42.246404][ T3627] init_special_inode: bogus i_mode (177777) for inode loop4:1 [ 42.262579][ T3620] init_special_inode: bogus i_mode (177777) for inode loop2:1 [ 42.276161][ T3625] init_special_inode: bogus i_mode (177777) for inode loop5:1 [pid 3619] <... mprotect resumed>) = 0 [pid 3618] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3615] futex(0x7f8addd5f3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3613] futex(0x7f8addd5f3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3630] <... set_robust_list resumed>) = 0 [pid 3628] <... set_robust_list resumed>) = 0 [pid 3626] futex(0x7f8addd5f3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3622] close(3 [pid 3620] <... mount resumed>) = -1 ENOTDIR (Not a directory) [pid 3619] clone(child_stack=0x7f8addc663f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3622] <... close resumed>) = 0 [pid 3620] ioctl(4, LOOP_CLR_FD [pid 3622] futex(0x7f8addd5f3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3622] futex(0x7f8addd5f3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3630] mount("/dev/loop1", "./file0", "minix", 0, NULL [pid 3628] mount("/dev/loop0", "./file0", "minix", 0, NULL [pid 3626] <... futex resumed>) = 0 [pid 3621] <... ioctl resumed>) = 0 [pid 3625] <... mount resumed>) = -1 ENOTDIR (Not a directory) [pid 3625] ioctl(4, LOOP_CLR_FD [pid 3624] <... ioctl resumed>) = 0 [pid 3624] close(4) = 0 [pid 3624] close(3) = 0 [pid 3624] futex(0x7f8addd5f3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3624] futex(0x7f8addd5f3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3627] <... mount resumed>) = -1 ENOTDIR (Not a directory) [pid 3627] futex(0x7f8addd5f3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3618] exit_group(0) = ? [pid 3624] <... futex resumed>) = ? [pid 3624] +++ exited with 0 +++ [pid 3627] <... futex resumed>) = ? [pid 3627] +++ exited with 0 +++ [pid 3618] +++ exited with 0 +++ ./strace-static-x86_64: Process 3632 attached [pid 3632] set_robust_list(0x7f8addc669e0, 24) = 0 [pid 3626] futex(0x7f8addd5f3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3621] close(4 [pid 3619] <... clone resumed>, parent_tid=[3632], tls=0x7f8addc66700, child_tidptr=0x7f8addc669d0) = 3632 [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3618, si_uid=0, si_status=0, si_utime=0, si_stime=6} --- [pid 3621] <... close resumed>) = 0 [ 42.289659][ T3629] init_special_inode: bogus i_mode (177777) for inode loop3:1 [ 42.298492][ T3616] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 42.302929][ T3624] VFS: busy inodes on changed media loop4 [ 42.314339][ T3630] I/O error, dev loop1, sector 2 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 42.324052][ T3628] I/O error, dev loop0, sector 2 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [pid 3632] futex(0x7f8addd5f3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3621] close(3 [pid 3619] futex(0x7f8addd5f3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3621] <... close resumed>) = 0 [pid 3614] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3632] <... futex resumed>) = 0 [pid 3619] <... futex resumed>) = 1 [pid 3632] mount("/dev/loop5", "./file0", "minix", 0, NULL [pid 3621] futex(0x7f8addd5f3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3615] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3613] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3630] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 3629] <... mount resumed>) = -1 ENOTDIR (Not a directory) [pid 3628] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... ioctl resumed>) = 0 [pid 3621] <... futex resumed>) = 0 [pid 3619] futex(0x7f8addd5f3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3611] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3630] futex(0x7f8addd5f3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3629] futex(0x7f8addd5f3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3628] futex(0x7f8addd5f3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3623] close(4 [pid 3621] futex(0x7f8addd5f3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3629] <... futex resumed>) = 0 [pid 3629] futex(0x7f8addd5f3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3630] <... futex resumed>) = 0 [pid 3623] <... close resumed>) = 0 [pid 3620] <... ioctl resumed>) = 0 [pid 3614] exit_group(0 [pid 3611] <... openat resumed>) = 3 [pid 3630] futex(0x7f8addd5f3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3628] <... futex resumed>) = ? [pid 3623] close(3 [pid 3622] <... futex resumed>) = ? [pid 3620] close(4 [pid 3614] <... exit_group resumed>) = ? [pid 3613] exit_group(0 [pid 3611] ioctl(3, LOOP_CLR_FD [pid 3628] +++ exited with 0 +++ [pid 3623] <... close resumed>) = 0 [pid 3622] +++ exited with 0 +++ [pid 3620] <... close resumed>) = 0 [pid 3614] +++ exited with 0 +++ [ 42.334385][ T3616] Buffer I/O error on dev loop3, logical block 0, async page read [ 42.343772][ T3628] MINIX-fs: unable to read superblock [ 42.349668][ T3630] MINIX-fs: unable to read superblock [ 42.351078][ T3632] init_special_inode: bogus i_mode (177777) for inode loop5:1 [ 42.368178][ T3631] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 42.377346][ T3631] Buffer I/O error on dev loop2, logical block 0, async page read [pid 3632] <... mount resumed>) = -1 ENOTDIR (Not a directory) [pid 3630] <... futex resumed>) = ? [pid 3623] futex(0x7f8addd5f3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3621] <... futex resumed>) = ? [pid 3620] close(3 [pid 3613] <... exit_group resumed>) = ? [pid 3611] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3632] futex(0x7f8addd5f3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3630] +++ exited with 0 +++ [pid 3625] <... ioctl resumed>) = 0 [pid 3623] <... futex resumed>) = 0 [pid 3621] +++ exited with 0 +++ [pid 3620] <... close resumed>) = 0 [pid 3615] exit_group(0 [pid 3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3614, si_uid=0, si_status=0, si_utime=0, si_stime=5} --- [pid 3632] <... futex resumed>) = 1 [pid 3629] <... futex resumed>) = ? [pid 3625] close(4 [pid 3620] futex(0x7f8addd5f3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3619] <... futex resumed>) = 0 [pid 3615] <... exit_group resumed>) = ? [pid 3613] +++ exited with 0 +++ [pid 3611] close(3 [pid 3607] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3632] futex(0x7f8addd5f3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3629] +++ exited with 0 +++ [pid 3625] <... close resumed>) = 0 [pid 3623] +++ exited with 0 +++ [pid 3620] <... futex resumed>) = 0 [pid 3615] +++ exited with 0 +++ [pid 3611] <... close resumed>) = 0 [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3613, si_uid=0, si_status=0, si_utime=0, si_stime=5} --- [pid 3607] <... openat resumed>) = 3 [pid 3625] close(3 [pid 3620] futex(0x7f8addd5f3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3617] exit_group(0 [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3615, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 3608] restart_syscall(<... resuming interrupted clone ...> [pid 3607] ioctl(3, LOOP_CLR_FD [pid 3626] <... futex resumed>) = ? [pid 3625] <... close resumed>) = 0 [pid 3620] <... futex resumed>) = ? [pid 3617] <... exit_group resumed>) = ? [pid 3608] <... restart_syscall resumed>) = 0 [pid 3607] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3626] +++ exited with 0 +++ [pid 3625] futex(0x7f8addd5f3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3620] +++ exited with 0 +++ [pid 3617] +++ exited with 0 +++ [pid 3611] <... clone resumed>, child_tidptr=0x5555572f35d0) = 3635 [pid 3607] close(3 [pid 3625] <... futex resumed>) = 0 [pid 3619] exit_group(0 [pid 3610] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3607] <... close resumed>) = 0 [pid 3632] <... futex resumed>) = ? [pid 3619] <... exit_group resumed>) = ? [pid 3610] <... openat resumed>) = 3 [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3617, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3608] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3632] +++ exited with 0 +++ [pid 3625] +++ exited with 0 +++ [pid 3619] +++ exited with 0 +++ [pid 3610] ioctl(3, LOOP_CLR_FD [pid 3609] restart_syscall(<... resuming interrupted clone ...> [pid 3608] <... openat resumed>) = 3 [pid 3612] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3619, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 3610] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3609] <... restart_syscall resumed>) = 0 [pid 3608] ioctl(3, LOOP_CLR_FD [pid 3607] <... clone resumed>, child_tidptr=0x5555572f35d0) = 3636 [pid 3610] close(3 [pid 3608] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3610] <... close resumed>) = 0 [pid 3608] close(3 [pid 3612] restart_syscall(<... resuming interrupted clone ...> [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3609] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3608] <... close resumed>) = 0 [pid 3612] <... restart_syscall resumed>) = 0 [pid 3609] <... openat resumed>) = 3 [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3636 attached [pid 3610] <... clone resumed>, child_tidptr=0x5555572f35d0) = 3637 [pid 3609] ioctl(3, LOOP_CLR_FD [pid 3636] set_robust_list(0x5555572f35e0, 24 [pid 3609] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3608] <... clone resumed>, child_tidptr=0x5555572f35d0) = 3638 [pid 3636] <... set_robust_list resumed>) = 0 [pid 3612] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 3609] close(3 [pid 3636] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3612] <... openat resumed>) = 3 [pid 3609] <... close resumed>) = 0 ./strace-static-x86_64: Process 3638 attached [pid 3636] <... prctl resumed>) = 0 [pid 3612] ioctl(3, LOOP_CLR_FD [pid 3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3638] set_robust_list(0x5555572f35e0, 24 [pid 3636] setpgid(0, 0 [pid 3612] <... ioctl resumed>) = -1 ENXIO (No such device or address) ./strace-static-x86_64: Process 3635 attached [pid 3638] <... set_robust_list resumed>) = 0 [pid 3636] <... setpgid resumed>) = 0 [pid 3612] close(3 [pid 3609] <... clone resumed>, child_tidptr=0x5555572f35d0) = 3639 [pid 3638] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3636] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3635] set_robust_list(0x5555572f35e0, 24 [pid 3612] <... close resumed>) = 0 ./strace-static-x86_64: Process 3639 attached [pid 3638] <... prctl resumed>) = 0 [pid 3636] <... openat resumed>) = 3 [pid 3635] <... set_robust_list resumed>) = 0 [pid 3612] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3637 attached [pid 3638] setpgid(0, 0 [pid 3636] write(3, "1000", 4 [pid 3635] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3639] set_robust_list(0x5555572f35e0, 24 [pid 3638] <... setpgid resumed>) = 0 [pid 3637] set_robust_list(0x5555572f35e0, 24 [pid 3636] <... write resumed>) = 4 [pid 3635] <... prctl resumed>) = 0 [pid 3612] <... clone resumed>, child_tidptr=0x5555572f35d0) = 3640 [pid 3639] <... set_robust_list resumed>) = 0 [pid 3638] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3637] <... set_robust_list resumed>) = 0 [pid 3636] close(3 [pid 3635] setpgid(0, 0 [pid 3639] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3638] <... openat resumed>) = 3 [pid 3637] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3636] <... close resumed>) = 0 [pid 3635] <... setpgid resumed>) = 0 [pid 3639] <... prctl resumed>) = 0 [pid 3638] write(3, "1000", 4 [pid 3637] <... prctl resumed>) = 0 [pid 3636] futex(0x7f8addd5f3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3635] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3639] setpgid(0, 0 [pid 3638] <... write resumed>) = 4 [pid 3637] setpgid(0, 0 [pid 3636] <... futex resumed>) = 0 [pid 3635] <... openat resumed>) = 3 [pid 3639] <... setpgid resumed>) = 0 [pid 3638] close(3 [pid 3637] <... setpgid resumed>) = 0 [pid 3636] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3635] write(3, "1000", 4 [pid 3639] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3638] <... close resumed>) = 0 [pid 3637] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3636] <... mmap resumed>) = 0x7f8addc67000 [pid 3635] <... write resumed>) = 4 ./strace-static-x86_64: Process 3640 attached [pid 3639] <... openat resumed>) = 3 [pid 3638] futex(0x7f8addd5f3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3637] <... openat resumed>) = 3 [pid 3636] mprotect(0x7f8addc68000, 131072, PROT_READ|PROT_WRITE [pid 3635] close(3 [pid 3640] set_robust_list(0x5555572f35e0, 24 [pid 3639] write(3, "1000", 4 [pid 3638] <... futex resumed>) = 0 [pid 3637] write(3, "1000", 4 [pid 3636] <... mprotect resumed>) = 0 [pid 3635] <... close resumed>) = 0 [pid 3640] <... set_robust_list resumed>) = 0 [pid 3639] <... write resumed>) = 4 [pid 3638] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3637] <... write resumed>) = 4 [pid 3636] clone(child_stack=0x7f8addc873f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3635] futex(0x7f8addd5f3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3640] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3637] close(3 [pid 3635] <... futex resumed>) = 0 [pid 3640] <... prctl resumed>) = 0 [pid 3637] <... close resumed>) = 0 [pid 3635] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3640] setpgid(0, 0 [pid 3637] futex(0x7f8addd5f3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3635] <... mmap resumed>) = 0x7f8addc67000 [pid 3640] <... setpgid resumed>) = 0 [pid 3637] <... futex resumed>) = 0 [pid 3635] mprotect(0x7f8addc68000, 131072, PROT_READ|PROT_WRITE [pid 3640] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3639] close(3 [pid 3637] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3635] <... mprotect resumed>) = 0 [pid 3640] <... openat resumed>) = 3 [pid 3639] <... close resumed>) = 0 [pid 3638] <... mmap resumed>) = 0x7f8addc67000 [pid 3637] <... mmap resumed>) = 0x7f8addc67000 [pid 3635] clone(child_stack=0x7f8addc873f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3640] write(3, "1000", 4 [pid 3639] futex(0x7f8addd5f3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3638] mprotect(0x7f8addc68000, 131072, PROT_READ|PROT_WRITE [pid 3637] mprotect(0x7f8addc68000, 131072, PROT_READ|PROT_WRITE [ 42.394402][ T3625] VFS: busy inodes on changed media loop5 [pid 3636] <... clone resumed>, parent_tid=[3641], tls=0x7f8addc87700, child_tidptr=0x7f8addc879d0) = 3641 ./strace-static-x86_64: Process 3641 attached [pid 3640] <... write resumed>) = 4 [pid 3639] <... futex resumed>) = 0 [pid 3638] <... mprotect resumed>) = 0 [pid 3637] <... mprotect resumed>) = 0 [pid 3636] futex(0x7f8addd5f3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3635] <... clone resumed>, parent_tid=[3642], tls=0x7f8addc87700, child_tidptr=0x7f8addc879d0) = 3642 [pid 3641] set_robust_list(0x7f8addc879e0, 24 [pid 3640] close(3 [pid 3639] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3638] clone(child_stack=0x7f8addc873f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3637] clone(child_stack=0x7f8addc873f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3636] <... futex resumed>) = 0 [pid 3635] futex(0x7f8addd5f3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3641] <... set_robust_list resumed>) = 0 [pid 3640] <... close resumed>) = 0 [pid 3639] <... mmap resumed>) = 0x7f8addc67000 [pid 3636] futex(0x7f8addd5f3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 3635] <... futex resumed>) = 0 [pid 3641] memfd_create("syzkaller", 0 [pid 3640] futex(0x7f8addd5f3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3639] mprotect(0x7f8addc68000, 131072, PROT_READ|PROT_WRITE [pid 3638] <... clone resumed>, parent_tid=[3643], tls=0x7f8addc87700, child_tidptr=0x7f8addc879d0) = 3643 [pid 3637] <... clone resumed>, parent_tid=[3644], tls=0x7f8addc87700, child_tidptr=0x7f8addc879d0) = 3644 [pid 3635] futex(0x7f8addd5f3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000}./strace-static-x86_64: Process 3644 attached [pid 3641] <... memfd_create resumed>) = 3 [pid 3640] <... futex resumed>) = 0 [pid 3639] <... mprotect resumed>) = 0 [pid 3638] futex(0x7f8addd5f3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3637] futex(0x7f8addd5f3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3644] set_robust_list(0x7f8addc879e0, 24 [pid 3641] ftruncate(3, 139264 [pid 3640] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3639] clone(child_stack=0x7f8addc873f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3638] <... futex resumed>) = 0 [pid 3637] <... futex resumed>) = 0 ./strace-static-x86_64: Process 3642 attached [pid 3644] <... set_robust_list resumed>) = 0 [pid 3641] <... ftruncate resumed>) = 0 [pid 3640] <... mmap resumed>) = 0x7f8addc67000 [pid 3638] futex(0x7f8addd5f3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 3637] futex(0x7f8addd5f3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000}./strace-static-x86_64: Process 3643 attached [pid 3644] memfd_create("syzkaller", 0 [pid 3642] set_robust_list(0x7f8addc879e0, 24 [pid 3641] pwrite64(3, "\x00\x04\x00\x00\x00\x00\x01\x00\x01\x00\x44\x00\x00\x00\x00\x00\xff\xff\xff\x7f\x80\x00\x00\x00\x5a\x4d", 26, 1024 [pid 3640] mprotect(0x7f8addc68000, 131072, PROT_READ|PROT_WRITE [pid 3639] <... clone resumed>, parent_tid=[3645], tls=0x7f8addc87700, child_tidptr=0x7f8addc879d0) = 3645 [pid 3644] <... memfd_create resumed>) = 3 [pid 3643] set_robust_list(0x7f8addc879e0, 24 [pid 3642] <... set_robust_list resumed>) = 0 [pid 3641] <... pwrite64 resumed>) = 26 [pid 3640] <... mprotect resumed>) = 0 [pid 3639] futex(0x7f8addd5f3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3644] ftruncate(3, 139264 [pid 3643] <... set_robust_list resumed>) = 0 [pid 3642] memfd_create("syzkaller", 0 [pid 3641] pwrite64(3, "\xfe\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"..., 2214, 2176 [pid 3640] clone(child_stack=0x7f8addc873f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3642] <... memfd_create resumed>) = 3 [pid 3642] ftruncate(3, 139264 [pid 3640] <... clone resumed>, parent_tid=[3646], tls=0x7f8addc87700, child_tidptr=0x7f8addc879d0) = 3646 [pid 3642] <... ftruncate resumed>) = 0 [pid 3640] futex(0x7f8addd5f3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3642] pwrite64(3, "\x00\x04\x00\x00\x00\x00\x01\x00\x01\x00\x44\x00\x00\x00\x00\x00\xff\xff\xff\x7f\x80\x00\x00\x00\x5a\x4d", 26, 1024 [pid 3640] <... futex resumed>) = 0 ./strace-static-x86_64: Process 3645 attached [pid 3642] <... pwrite64 resumed>) = 26 [pid 3640] futex(0x7f8addd5f3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 3645] set_robust_list(0x7f8addc879e0, 24 [pid 3644] <... ftruncate resumed>) = 0 [pid 3642] pwrite64(3, "\xfe\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"..., 2214, 2176 [pid 3641] <... pwrite64 resumed>) = 2214 [pid 3639] <... futex resumed>) = 0 [pid 3645] <... set_robust_list resumed>) = 0 [pid 3644] pwrite64(3, "\x00\x04\x00\x00\x00\x00\x01\x00\x01\x00\x44\x00\x00\x00\x00\x00\xff\xff\xff\x7f\x80\x00\x00\x00\x5a\x4d", 26, 1024 [pid 3643] memfd_create("syzkaller", 0 [pid 3642] <... pwrite64 resumed>) = 2214 [pid 3641] pwrite64(3, NULL, 0, 69632 [pid 3639] futex(0x7f8addd5f3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 3645] memfd_create("syzkaller", 0 [pid 3644] <... pwrite64 resumed>) = 26 [pid 3643] <... memfd_create resumed>) = 3 [pid 3642] pwrite64(3, NULL, 0, 69632 [pid 3641] <... pwrite64 resumed>) = 0 ./strace-static-x86_64: Process 3646 attached [pid 3645] <... memfd_create resumed>) = 3 [pid 3644] pwrite64(3, "\xfe\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"..., 2214, 2176 [pid 3643] ftruncate(3, 139264 [pid 3642] <... pwrite64 resumed>) = 0 [pid 3641] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3646] set_robust_list(0x7f8addc879e0, 24 [pid 3645] ftruncate(3, 139264 [pid 3644] <... pwrite64 resumed>) = 2214 [pid 3643] <... ftruncate resumed>) = 0 [pid 3642] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3641] <... openat resumed>) = 4 [pid 3646] <... set_robust_list resumed>) = 0 [pid 3645] <... ftruncate resumed>) = 0 [pid 3642] <... openat resumed>) = 4 [pid 3646] memfd_create("syzkaller", 0 [pid 3645] pwrite64(3, "\x00\x04\x00\x00\x00\x00\x01\x00\x01\x00\x44\x00\x00\x00\x00\x00\xff\xff\xff\x7f\x80\x00\x00\x00\x5a\x4d", 26, 1024 [pid 3642] ioctl(4, LOOP_SET_FD, 3 [pid 3646] <... memfd_create resumed>) = 3 [pid 3645] <... pwrite64 resumed>) = 26 [pid 3644] pwrite64(3, NULL, 0, 69632 [pid 3643] pwrite64(3, "\x00\x04\x00\x00\x00\x00\x01\x00\x01\x00\x44\x00\x00\x00\x00\x00\xff\xff\xff\x7f\x80\x00\x00\x00\x5a\x4d", 26, 1024 [pid 3642] <... ioctl resumed>) = 0 [pid 3641] ioctl(4, LOOP_SET_FD, 3 [pid 3646] ftruncate(3, 139264 [pid 3645] pwrite64(3, "\xfe\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"..., 2214, 2176 [pid 3646] <... ftruncate resumed>) = 0 [pid 3645] <... pwrite64 resumed>) = 2214 [pid 3646] pwrite64(3, "\x00\x04\x00\x00\x00\x00\x01\x00\x01\x00\x44\x00\x00\x00\x00\x00\xff\xff\xff\x7f\x80\x00\x00\x00\x5a\x4d", 26, 1024 [pid 3645] pwrite64(3, NULL, 0, 69632 [pid 3646] <... pwrite64 resumed>) = 26 [pid 3645] <... pwrite64 resumed>) = 0 [pid 3646] pwrite64(3, "\xfe\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"..., 2214, 2176 [pid 3645] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3646] <... pwrite64 resumed>) = 2214 [pid 3645] <... openat resumed>) = 4 [pid 3646] pwrite64(3, NULL, 0, 69632 [pid 3645] ioctl(4, LOOP_SET_FD, 3 [pid 3646] <... pwrite64 resumed>) = 0 [pid 3644] <... pwrite64 resumed>) = 0 [pid 3643] <... pwrite64 resumed>) = 26 [pid 3646] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 3642] mkdir("./file0", 0777 [pid 3646] ioctl(4, LOOP_SET_FD, 3 [pid 3642] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3644] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3643] pwrite64(3, "\xfe\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"..., 2214, 2176 [pid 3642] mount("/dev/loop4", "./file0", "minix", 0, "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff" [pid 3641] <... ioctl resumed>) = 0 [ 42.480585][ T3642] loop4: detected capacity change from 0 to 272 [ 42.491970][ T3641] loop0: detected capacity change from 0 to 272 [ 42.493137][ T3645] loop2: detected capacity change from 0 to 272 [ 42.503440][ T3631] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 42.506890][ T3646] loop5: detected capacity change from 0 to 272 [pid 3644] <... openat resumed>) = 4 [pid 3643] <... pwrite64 resumed>) = 2214 [pid 3641] mkdir("./file0", 0777 [pid 3644] ioctl(4, LOOP_SET_FD, 3 [pid 3643] pwrite64(3, NULL, 0, 69632 [pid 3641] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3645] <... ioctl resumed>) = 0 [pid 3645] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3645] mount("/dev/loop2", "./file0", "minix", 0, "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff" [pid 3646] <... ioctl resumed>) = 0 [pid 3646] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3646] mount("/dev/loop5", "./file0", "minix", 0, "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff" [pid 3643] <... pwrite64 resumed>) = 0 [pid 3641] mount("/dev/loop0", "./file0", "minix", 0, "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff" [pid 3643] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3644] <... ioctl resumed>) = 0 [pid 3643] <... openat resumed>) = 4 [pid 3642] <... mount resumed>) = -1 ENOTDIR (Not a directory) [pid 3636] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3643] ioctl(4, LOOP_SET_FD, 3 [pid 3636] futex(0x7f8addd5f3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3642] ioctl(4, LOOP_CLR_FD [pid 3635] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3635] futex(0x7f8addd5f3fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3635] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8addc46000 [pid 3635] mprotect(0x7f8addc47000, 131072, PROT_READ|PROT_WRITE [pid 3637] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3635] <... mprotect resumed>) = 0 [pid 3637] futex(0x7f8addd5f3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3635] clone(child_stack=0x7f8addc663f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3637] <... futex resumed>) = 0 [pid 3637] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3635] <... clone resumed>, parent_tid=[3648], tls=0x7f8addc66700, child_tidptr=0x7f8addc669d0) = 3648 [pid 3637] <... mmap resumed>) = 0x7f8addc46000 [pid 3637] mprotect(0x7f8addc47000, 131072, PROT_READ|PROT_WRITE [pid 3635] futex(0x7f8addd5f3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3638] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3637] <... mprotect resumed>) = 0 [pid 3636] <... futex resumed>) = 0 [pid 3644] mkdir("./file0", 0777 [pid 3643] <... ioctl resumed>) = 0 [pid 3638] futex(0x7f8addd5f3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3637] clone(child_stack=0x7f8addc663f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3636] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3635] <... futex resumed>) = 0 [pid 3644] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3643] mkdir("./file0", 0777 [pid 3638] <... futex resumed>) = 0 [pid 3640] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 42.527303][ T3642] init_special_inode: bogus i_mode (177777) for inode loop4:1 [ 42.536468][ T3644] loop3: detected capacity change from 0 to 272 [ 42.542094][ T3631] Buffer I/O error on dev loop2, logical block 0, async page read [ 42.551790][ T3634] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 42.562315][ T3643] loop1: detected capacity change from 0 to 272 [ 42.573433][ T3646] init_special_inode: bogus i_mode (177777) for inode loop5:1 [pid 3636] <... mmap resumed>) = 0x7f8addc46000 [pid 3635] futex(0x7f8addd5f3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3648 attached [pid 3644] mount("/dev/loop3", "./file0", "minix", 0, "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff" [pid 3643] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3640] futex(0x7f8addd5f3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3639] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3638] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3637] <... clone resumed>, parent_tid=[3649], tls=0x7f8addc66700, child_tidptr=0x7f8addc669d0) = 3649 [pid 3640] <... futex resumed>) = 0 [pid 3637] futex(0x7f8addd5f3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3640] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3637] <... futex resumed>) = 0 [pid 3640] <... mmap resumed>) = 0x7f8addc46000 [pid 3637] futex(0x7f8addd5f3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3640] mprotect(0x7f8addc47000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3640] clone(child_stack=0x7f8addc663f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3650], tls=0x7f8addc66700, child_tidptr=0x7f8addc669d0) = 3650 [pid 3640] futex(0x7f8addd5f3f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3640] futex(0x7f8addd5f3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3649 attached [pid 3649] set_robust_list(0x7f8addc669e0, 24) = 0 [pid 3649] mount("/dev/loop3", "./file0", "minix", 0, NULL [pid 3639] futex(0x7f8addd5f3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3638] <... mmap resumed>) = 0x7f8addc46000 [pid 3636] mprotect(0x7f8addc47000, 131072, PROT_READ|PROT_WRITE [pid 3639] <... futex resumed>) = 0 [pid 3638] mprotect(0x7f8addc47000, 131072, PROT_READ|PROT_WRITE [pid 3639] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3636] <... mprotect resumed>) = 0 [pid 3639] <... mmap resumed>) = 0x7f8addc46000 [pid 3638] <... mprotect resumed>) = 0 [pid 3639] mprotect(0x7f8addc47000, 131072, PROT_READ|PROT_WRITE [pid 3636] clone(child_stack=0x7f8addc663f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3638] clone(child_stack=0x7f8addc663f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3643] mount("/dev/loop1", "./file0", "minix", 0, "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff" [pid 3648] set_robust_list(0x7f8addc669e0, 24 [pid 3639] <... mprotect resumed>) = 0 [pid 3639] clone(child_stack=0x7f8addc663f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3638] <... clone resumed>, parent_tid=[3652], tls=0x7f8addc66700, child_tidptr=0x7f8addc669d0) = 3652 [pid 3636] <... clone resumed>, parent_tid=[3651], tls=0x7f8addc66700, child_tidptr=0x7f8addc669d0) = 3651 [pid 3638] futex(0x7f8addd5f3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3636] futex(0x7f8addd5f3f8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 3652 attached