./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2091043183 <...> Warning: Permanently added '10.128.0.221' (ECDSA) to the list of known hosts. execve("./syz-executor2091043183", ["./syz-executor2091043183"], 0x7ffccf4a2580 /* 10 vars */) = 0 brk(NULL) = 0x5555563f5000 brk(0x5555563f5c40) = 0x5555563f5c40 arch_prctl(ARCH_SET_FS, 0x5555563f5300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 set_tid_address(0x5555563f55d0) = 3600 set_robust_list(0x5555563f55e0, 24) = 0 rt_sigaction(SIGRTMIN, {sa_handler=0x7fdd283e4730, sa_mask=[], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x7fdd283e4e00}, NULL, 8) = 0 rt_sigaction(SIGRT_1, {sa_handler=0x7fdd283e47d0, sa_mask=[], sa_flags=SA_RESTORER|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdd283e4e00}, 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-executor2091043183", 4096) = 28 brk(0x555556416c40) = 0x555556416c40 brk(0x555556417000) = 0x555556417000 mprotect(0x7fdd284a6000, 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./strace-static-x86_64: Process 3601 attached , child_tidptr=0x5555563f55d0) = 3601 [pid 3600] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3601] set_robust_list(0x5555563f55e0, 24) = 0 [pid 3601] openat(AT_FDCWD, "/dev/loop0", O_RDWR./strace-static-x86_64: Process 3602 attached [pid 3600] <... clone resumed>, child_tidptr=0x5555563f55d0) = 3602 [pid 3601] <... openat resumed>) = 3 [pid 3600] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3602] set_robust_list(0x5555563f55e0, 24./strace-static-x86_64: Process 3603 attached ) = 0 [pid 3601] ioctl(3, LOOP_CLR_FD [pid 3600] <... clone resumed>, child_tidptr=0x5555563f55d0) = 3603 [pid 3603] set_robust_list(0x5555563f55e0, 24 [pid 3602] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3600] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3603] <... set_robust_list resumed>) = 0 [pid 3602] <... openat resumed>) = 3 [pid 3601] <... ioctl resumed>) = -1 ENXIO (No such device or address) ./strace-static-x86_64: Process 3604 attached [pid 3602] ioctl(3, LOOP_CLR_FD [pid 3601] close(3 [pid 3600] <... clone resumed>, child_tidptr=0x5555563f55d0) = 3604 [pid 3603] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3602] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3600] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3604] set_robust_list(0x5555563f55e0, 24 [pid 3603] <... openat resumed>) = 3 [pid 3602] close(3 [pid 3601] <... close resumed>) = 0 [pid 3604] <... set_robust_list resumed>) = 0 [pid 3603] ioctl(3, LOOP_CLR_FD [pid 3602] <... close resumed>) = 0 [pid 3601] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3600] <... clone resumed>, child_tidptr=0x5555563f55d0) = 3605 [pid 3604] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3603] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3602] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3600] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3604] <... openat resumed>) = 3 [pid 3603] close(3 [pid 3601] <... clone resumed>, child_tidptr=0x5555563f55d0) = 3606 [pid 3604] ioctl(3, LOOP_CLR_FD [pid 3603] <... close resumed>) = 0 [pid 3604] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3603] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3602] <... clone resumed>, child_tidptr=0x5555563f55d0) = 3607 ./strace-static-x86_64: Process 3606 attached ./strace-static-x86_64: Process 3605 attached [pid 3600] <... clone resumed>, child_tidptr=0x5555563f55d0) = 3608 [pid 3604] close(3./strace-static-x86_64: Process 3608 attached [pid 3606] set_robust_list(0x5555563f55e0, 24 [pid 3605] set_robust_list(0x5555563f55e0, 24 [pid 3604] <... close resumed>) = 0 [pid 3603] <... clone resumed>, child_tidptr=0x5555563f55d0) = 3610 ./strace-static-x86_64: Process 3607 attached [pid 3604] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3607] set_robust_list(0x5555563f55e0, 24) = 0 [pid 3604] <... clone resumed>, child_tidptr=0x5555563f55d0) = 3611 ./strace-static-x86_64: Process 3610 attached [pid 3607] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3610] set_robust_list(0x5555563f55e0, 24 [pid 3607] <... prctl resumed>) = 0 [pid 3610] <... set_robust_list resumed>) = 0 [pid 3607] setpgid(0, 0 [pid 3610] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3607] <... setpgid resumed>) = 0 [pid 3610] <... prctl resumed>) = 0 [pid 3607] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3605] <... set_robust_list resumed>) = 0 [pid 3606] <... set_robust_list resumed>) = 0 [pid 3610] setpgid(0, 0 [pid 3608] set_robust_list(0x5555563f55e0, 24 [pid 3607] <... openat resumed>) = 3 ./strace-static-x86_64: Process 3611 attached [pid 3610] <... setpgid resumed>) = 0 [pid 3608] <... set_robust_list resumed>) = 0 [pid 3607] write(3, "1000", 4 [pid 3606] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3605] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3610] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3608] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 3607] <... write resumed>) = 4 [pid 3611] set_robust_list(0x5555563f55e0, 24 [pid 3610] <... openat resumed>) = 3 [pid 3608] <... openat resumed>) = 3 [pid 3607] close(3 [pid 3606] <... prctl resumed>) = 0 [pid 3605] <... openat resumed>) = 3 [pid 3611] <... set_robust_list resumed>) = 0 [pid 3610] write(3, "1000", 4 [pid 3608] ioctl(3, LOOP_CLR_FD [pid 3607] <... close resumed>) = 0 [pid 3606] setpgid(0, 0 [pid 3605] ioctl(3, LOOP_CLR_FD [pid 3611] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3610] <... write resumed>) = 4 [pid 3608] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3607] futex(0x7fdd284ac3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3606] <... setpgid resumed>) = 0 [pid 3605] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3611] <... prctl resumed>) = 0 [pid 3610] close(3 [pid 3608] close(3 [pid 3607] <... futex resumed>) = 0 [pid 3606] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3605] close(3 [pid 3611] setpgid(0, 0 [pid 3610] <... close resumed>) = 0 [pid 3608] <... close resumed>) = 0 [pid 3607] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3606] <... openat resumed>) = 3 [pid 3605] <... close resumed>) = 0 [pid 3611] <... setpgid resumed>) = 0 [pid 3610] futex(0x7fdd284ac3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3607] <... mmap resumed>) = 0x7fdd283b4000 [pid 3606] write(3, "1000", 4 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3611] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3610] <... futex resumed>) = 0 [pid 3607] mprotect(0x7fdd283b5000, 131072, PROT_READ|PROT_WRITE [pid 3606] <... write resumed>) = 4 [pid 3611] <... openat resumed>) = 3 [pid 3610] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3608] <... clone resumed>, child_tidptr=0x5555563f55d0) = 3612 [pid 3607] <... mprotect resumed>) = 0 [pid 3606] close(3 [pid 3605] <... clone resumed>, child_tidptr=0x5555563f55d0) = 3613 [pid 3611] write(3, "1000", 4 [pid 3610] <... mmap resumed>) = 0x7fdd283b4000 [pid 3607] clone(child_stack=0x7fdd283d43f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3606] <... close resumed>) = 0 [pid 3611] <... write resumed>) = 4 [pid 3610] mprotect(0x7fdd283b5000, 131072, PROT_READ|PROT_WRITE [pid 3606] futex(0x7fdd284ac3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] close(3 [pid 3610] <... mprotect resumed>) = 0 [pid 3607] <... clone resumed>, parent_tid=[3614], tls=0x7fdd283d4700, child_tidptr=0x7fdd283d49d0) = 3614 [pid 3606] <... futex resumed>) = 0 [pid 3611] <... close resumed>) = 0 [pid 3610] clone(child_stack=0x7fdd283d43f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3607] futex(0x7fdd284ac3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3606] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3611] futex(0x7fdd284ac3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3607] <... futex resumed>) = 0 [pid 3606] <... mmap resumed>) = 0x7fdd283b4000 [pid 3611] <... futex resumed>) = 0 [pid 3610] <... clone resumed>, parent_tid=[3615], tls=0x7fdd283d4700, child_tidptr=0x7fdd283d49d0) = 3615 [pid 3607] futex(0x7fdd284ac3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 3606] mprotect(0x7fdd283b5000, 131072, PROT_READ|PROT_WRITE [pid 3611] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3610] futex(0x7fdd284ac3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3606] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 3615 attached [pid 3611] <... mmap resumed>) = 0x7fdd283b4000 [pid 3610] <... futex resumed>) = 0 [pid 3606] clone(child_stack=0x7fdd283d43f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3615] set_robust_list(0x7fdd283d49e0, 24 [pid 3611] mprotect(0x7fdd283b5000, 131072, PROT_READ|PROT_WRITE [pid 3610] futex(0x7fdd284ac3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 3615] <... set_robust_list resumed>) = 0 [pid 3611] <... mprotect resumed>) = 0 [pid 3606] <... clone resumed>, parent_tid=[3616], tls=0x7fdd283d4700, child_tidptr=0x7fdd283d49d0) = 3616 ./strace-static-x86_64: Process 3614 attached [pid 3615] memfd_create("syzkaller", 0 [pid 3611] clone(child_stack=0x7fdd283d43f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3606] futex(0x7fdd284ac3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3615] <... memfd_create resumed>) = 3 [pid 3614] set_robust_list(0x7fdd283d49e0, 24 [pid 3606] <... futex resumed>) = 0 ./strace-static-x86_64: Process 3612 attached [pid 3615] ftruncate(3, 139264 [pid 3614] <... set_robust_list resumed>) = 0 [pid 3611] <... clone resumed>, parent_tid=[3617], tls=0x7fdd283d4700, child_tidptr=0x7fdd283d49d0) = 3617 [pid 3606] futex(0x7fdd284ac3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000}./strace-static-x86_64: Process 3613 attached [pid 3615] <... ftruncate resumed>) = 0 [pid 3611] futex(0x7fdd284ac3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3615] 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 3614] memfd_create("syzkaller", 0 [pid 3612] set_robust_list(0x5555563f55e0, 24 [pid 3611] <... futex resumed>) = 0 ./strace-static-x86_64: Process 3617 attached ./strace-static-x86_64: Process 3616 attached [pid 3615] <... pwrite64 resumed>) = 26 [pid 3614] <... memfd_create resumed>) = 3 [pid 3613] set_robust_list(0x5555563f55e0, 24 [pid 3612] <... set_robust_list resumed>) = 0 [pid 3611] futex(0x7fdd284ac3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 3617] set_robust_list(0x7fdd283d49e0, 24 [pid 3616] set_robust_list(0x7fdd283d49e0, 24 [pid 3615] 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 3614] ftruncate(3, 139264 [pid 3612] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3613] <... set_robust_list resumed>) = 0 [pid 3617] <... set_robust_list resumed>) = 0 [pid 3616] <... set_robust_list resumed>) = 0 [pid 3615] <... pwrite64 resumed>) = 2214 [pid 3614] <... ftruncate resumed>) = 0 [pid 3612] <... prctl resumed>) = 0 [pid 3617] memfd_create("syzkaller", 0 [pid 3616] memfd_create("syzkaller", 0 [pid 3615] pwrite64(3, NULL, 0, 69632 [pid 3614] 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 3613] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3612] setpgid(0, 0 [pid 3617] <... memfd_create resumed>) = 3 [pid 3616] <... memfd_create resumed>) = 3 [pid 3615] <... pwrite64 resumed>) = 0 [pid 3614] <... pwrite64 resumed>) = 26 [pid 3613] <... prctl resumed>) = 0 [pid 3612] <... setpgid resumed>) = 0 [pid 3617] ftruncate(3, 139264 [pid 3616] ftruncate(3, 139264 [pid 3615] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3614] 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 3612] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3617] <... ftruncate resumed>) = 0 [pid 3616] <... ftruncate resumed>) = 0 [pid 3615] <... openat resumed>) = 4 [pid 3614] <... pwrite64 resumed>) = 2214 [pid 3613] setpgid(0, 0 [pid 3612] <... openat resumed>) = 3 [pid 3614] pwrite64(3, NULL, 0, 69632 [pid 3613] <... setpgid resumed>) = 0 [pid 3612] write(3, "1000", 4 [pid 3614] <... pwrite64 resumed>) = 0 [pid 3613] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3612] <... write resumed>) = 4 [pid 3614] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3613] <... openat resumed>) = 3 [pid 3612] close(3 [pid 3614] <... openat resumed>) = 4 [pid 3613] write(3, "1000", 4 [pid 3612] <... close resumed>) = 0 [pid 3617] 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 3616] 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 3615] ioctl(4, LOOP_SET_FD, 3 [pid 3614] ioctl(4, LOOP_SET_FD, 3 [pid 3613] <... write resumed>) = 4 [pid 3612] futex(0x7fdd284ac3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3617] <... pwrite64 resumed>) = 26 [pid 3616] <... pwrite64 resumed>) = 26 [pid 3614] <... ioctl resumed>) = 0 [pid 3613] close(3 [pid 3612] <... futex resumed>) = 0 [pid 3614] mkdir("./file0", 0777 [pid 3613] <... close resumed>) = 0 [pid 3612] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3617] 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 3616] 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 3615] <... ioctl resumed>) = 0 [pid 3614] <... mkdir resumed>) = 0 [pid 3613] futex(0x7fdd284ac3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] <... mmap resumed>) = 0x7fdd283b4000 [pid 3617] <... pwrite64 resumed>) = 2214 [pid 3616] <... pwrite64 resumed>) = 2214 [pid 3615] mkdir("./file0", 0777 [pid 3614] mount("/dev/loop1", "./file0", "minix", 0, "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff" [pid 3613] <... futex resumed>) = 0 [pid 3612] mprotect(0x7fdd283b5000, 131072, PROT_READ|PROT_WRITE [pid 3617] pwrite64(3, NULL, 0, 69632 [pid 3616] pwrite64(3, NULL, 0, 69632 [pid 3615] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3617] <... pwrite64 resumed>) = 0 [pid 3616] <... pwrite64 resumed>) = 0 [pid 3615] mount("/dev/loop2", "./file0", "minix", 0, "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff" [pid 3617] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3616] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3613] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3612] <... mprotect resumed>) = 0 [pid 3617] <... openat resumed>) = 4 [pid 3616] <... openat resumed>) = 4 [pid 3613] <... mmap resumed>) = 0x7fdd283b4000 [pid 3612] clone(child_stack=0x7fdd283d43f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3617] ioctl(4, LOOP_SET_FD, 3 [pid 3616] ioctl(4, LOOP_SET_FD, 3 [pid 3613] mprotect(0x7fdd283b5000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 3618 attached [pid 3614] <... mount resumed>) = -1 ENOTDIR (Not a directory) [pid 3617] <... ioctl resumed>) = 0 [pid 3618] set_robust_list(0x7fdd283d49e0, 24 [pid 3615] <... mount resumed>) = -1 ENOTDIR (Not a directory) [pid 3614] ioctl(4, LOOP_CLR_FD [pid 3613] <... mprotect resumed>) = 0 [pid 3612] <... clone resumed>, parent_tid=[3618], tls=0x7fdd283d4700, child_tidptr=0x7fdd283d49d0) = 3618 [pid 3618] <... set_robust_list resumed>) = 0 [pid 3617] mkdir("./file0", 0777 [pid 3616] <... ioctl resumed>) = 0 [pid 3615] ioctl(4, LOOP_CLR_FD [pid 3613] clone(child_stack=0x7fdd283d43f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3612] futex(0x7fdd284ac3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3617] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3616] mkdir("./file0", 0777 [pid 3617] mount("/dev/loop3", "./file0", "minix", 0, "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff" [pid 3616] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3618] memfd_create("syzkaller", 0 [pid 3616] mount("/dev/loop0", "./file0", "minix", 0, "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff" [pid 3612] <... futex resumed>) = 0 [pid 3618] <... memfd_create resumed>) = 3 [pid 3613] <... clone resumed>, parent_tid=[3619], tls=0x7fdd283d4700, child_tidptr=0x7fdd283d49d0) = 3619 [pid 3612] futex(0x7fdd284ac3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 3618] ftruncate(3, 139264 [pid 3613] futex(0x7fdd284ac3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3618] <... ftruncate resumed>) = 0 [pid 3617] <... mount resumed>) = -1 ENOTDIR (Not a directory) [pid 3613] <... futex resumed>) = 0 [pid 3618] 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 3617] ioctl(4, LOOP_CLR_FD [pid 3616] <... mount resumed>) = -1 ENOTDIR (Not a directory) [pid 3613] futex(0x7fdd284ac3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 3618] <... pwrite64 resumed>) = 26 [pid 3616] ioctl(4, LOOP_CLR_FD./strace-static-x86_64: Process 3619 attached [pid 3618] 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 3619] set_robust_list(0x7fdd283d49e0, 24 [pid 3618] <... pwrite64 resumed>) = 2214 [pid 3619] <... set_robust_list resumed>) = 0 [pid 3618] pwrite64(3, NULL, 0, 69632 [pid 3619] memfd_create("syzkaller", 0 [pid 3618] <... pwrite64 resumed>) = 0 [pid 3619] <... memfd_create resumed>) = 3 [pid 3618] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 3619] ftruncate(3, 139264 [pid 3618] <... openat resumed>) = 4 syzkaller login: [ 40.615236][ T3615] loop2: detected capacity change from 0 to 272 [ 40.615240][ T3614] loop1: detected capacity change from 0 to 272 [ 40.637903][ T3617] loop3: detected capacity change from 0 to 272 [ 40.646893][ T3616] loop0: detected capacity change from 0 to 272 [pid 3619] <... ftruncate resumed>) = 0 [pid 3618] ioctl(4, LOOP_SET_FD, 3 [pid 3619] 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) = 26 [pid 3619] 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 3619] pwrite64(3, NULL, 0, 69632) = 0 [pid 3619] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 3619] ioctl(4, LOOP_SET_FD, 3 [pid 3618] <... ioctl resumed>) = 0 [pid 3607] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3618] mkdir("./file0", 0777 [pid 3607] futex(0x7fdd284ac3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3619] <... ioctl resumed>) = 0 [pid 3607] <... futex resumed>) = 0 [pid 3610] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3618] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3618] mount("/dev/loop5", "./file0", "minix", 0, "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff" [pid 3610] futex(0x7fdd284ac3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3607] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3610] <... futex resumed>) = 0 [pid 3607] <... mmap resumed>) = 0x7fdd28393000 [pid 3610] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3619] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3619] mount("/dev/loop4", "./file0", "minix", 0, "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff" [pid 3607] mprotect(0x7fdd28394000, 131072, PROT_READ|PROT_WRITE [pid 3610] <... mmap resumed>) = 0x7fdd28393000 [pid 3607] <... mprotect resumed>) = 0 [pid 3610] mprotect(0x7fdd28394000, 131072, PROT_READ|PROT_WRITE [pid 3606] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3610] <... mprotect resumed>) = 0 [pid 3607] clone(child_stack=0x7fdd283b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3606] futex(0x7fdd284ac3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] clone(child_stack=0x7fdd283b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3606] <... futex resumed>) = 0 [pid 3606] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3607] <... clone resumed>, parent_tid=[3620], tls=0x7fdd283b3700, child_tidptr=0x7fdd283b39d0) = 3620 [pid 3606] <... mmap resumed>) = 0x7fdd28393000 [pid 3610] <... clone resumed>, parent_tid=[3621], tls=0x7fdd283b3700, child_tidptr=0x7fdd283b39d0) = 3621 [pid 3607] futex(0x7fdd284ac3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3606] mprotect(0x7fdd28394000, 131072, PROT_READ|PROT_WRITE [pid 3611] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3617] <... ioctl resumed>) = 0 [pid 3615] <... ioctl resumed>) = 0 [pid 3614] <... ioctl resumed>) = 0 [pid 3611] futex(0x7fdd284ac3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] futex(0x7fdd284ac3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3607] <... futex resumed>) = 0 [pid 3606] <... mprotect resumed>) = 0 [pid 3618] <... mount resumed>) = -1 ENOTDIR (Not a directory) [pid 3617] close(4 [pid 3615] close(4 [pid 3614] close(4 [pid 3611] <... futex resumed>) = 0 [pid 3610] <... futex resumed>) = 0 [pid 3607] futex(0x7fdd284ac3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3606] clone(child_stack=0x7fdd283b33f0, 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 3621 attached [pid 3618] ioctl(4, LOOP_CLR_FD [pid 3617] <... close resumed>) = 0 [pid 3615] <... close resumed>) = 0 [pid 3614] <... close resumed>) = 0 [pid 3611] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3610] futex(0x7fdd284ac3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3621] set_robust_list(0x7fdd283b39e0, 24 [pid 3619] <... mount resumed>) = -1 ENOTDIR (Not a directory) [pid 3617] close(3 [pid 3615] close(3 [pid 3611] <... mmap resumed>) = 0x7fdd28393000 [pid 3606] <... clone resumed>, parent_tid=[3622], tls=0x7fdd283b3700, child_tidptr=0x7fdd283b39d0) = 3622 [pid 3621] <... set_robust_list resumed>) = 0 [pid 3619] ioctl(4, LOOP_CLR_FD [pid 3617] <... close resumed>) = 0 [pid 3615] <... close resumed>) = 0 [pid 3611] mprotect(0x7fdd28394000, 131072, PROT_READ|PROT_WRITE [pid 3606] futex(0x7fdd284ac3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3621] mount("/dev/loop2", "./file0", "minix", 0, NULL [pid 3617] futex(0x7fdd284ac3ec, FUTEX_WAKE_PRIVATE, 1000000 [ 40.675151][ T3618] loop5: detected capacity change from 0 to 272 [ 40.676903][ T3619] loop4: detected capacity change from 0 to 272 [ 40.711583][ T3621] I/O error, dev loop2, sector 2 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [pid 3615] futex(0x7fdd284ac3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] <... mprotect resumed>) = 0 [pid 3606] <... futex resumed>) = 0 ./strace-static-x86_64: Process 3622 attached ./strace-static-x86_64: Process 3620 attached [pid 3621] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 3617] <... futex resumed>) = 0 [pid 3616] <... ioctl resumed>) = 0 [pid 3615] <... futex resumed>) = 0 [pid 3614] close(3 [pid 3611] clone(child_stack=0x7fdd283b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3606] futex(0x7fdd284ac3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3622] set_robust_list(0x7fdd283b39e0, 24 [pid 3621] futex(0x7fdd284ac3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3620] set_robust_list(0x7fdd283b39e0, 24 [pid 3617] futex(0x7fdd284ac3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3616] close(4 [pid 3615] futex(0x7fdd284ac3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3614] <... close resumed>) = 0 [pid 3622] <... set_robust_list resumed>) = 0 [pid 3621] <... futex resumed>) = 1 [pid 3620] <... set_robust_list resumed>) = 0 [pid 3616] <... close resumed>) = 0 [pid 3614] futex(0x7fdd284ac3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] <... clone resumed>, parent_tid=[3623], tls=0x7fdd283b3700, child_tidptr=0x7fdd283b39d0) = 3623 [pid 3610] <... futex resumed>) = 0 [pid 3622] mount("/dev/loop0", "./file0", "minix", 0, NULL [pid 3621] futex(0x7fdd284ac3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3620] mount("/dev/loop1", "./file0", "minix", 0, NULL [pid 3616] close(3 [pid 3614] <... futex resumed>) = 0 [pid 3611] futex(0x7fdd284ac3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] exit_group(0 [pid 3616] <... close resumed>) = 0 [pid 3611] <... futex resumed>) = 0 ./strace-static-x86_64: Process 3623 attached [pid 3616] futex(0x7fdd284ac3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] futex(0x7fdd284ac3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3623] set_robust_list(0x7fdd283b39e0, 24 [pid 3616] <... futex resumed>) = 0 [pid 3623] <... set_robust_list resumed>) = 0 [pid 3616] futex(0x7fdd284ac3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3623] mount("/dev/loop3", "./file0", "minix", 0, NULL [pid 3621] <... futex resumed>) = ? [pid 3615] <... futex resumed>) = ? [pid 3614] futex(0x7fdd284ac3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3612] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3610] <... exit_group resumed>) = ? [pid 3607] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3621] +++ exited with 0 +++ [pid 3615] +++ exited with 0 +++ [pid 3613] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3612] futex(0x7fdd284ac3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] +++ exited with 0 +++ [pid 3613] futex(0x7fdd284ac3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] <... futex resumed>) = 0 [pid 3603] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3610, si_uid=0, si_status=0, si_utime=0, si_stime=5} --- [pid 3613] <... futex resumed>) = 0 [pid 3612] 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 3612] <... mmap resumed>) = 0x7fdd28393000 [pid 3613] <... mmap resumed>) = 0x7fdd28393000 [pid 3613] mprotect(0x7fdd28394000, 131072, PROT_READ|PROT_WRITE [pid 3612] mprotect(0x7fdd28394000, 131072, PROT_READ|PROT_WRITE [pid 3613] <... mprotect resumed>) = 0 [pid 3612] <... mprotect resumed>) = 0 [ 40.721585][ T3621] MINIX-fs: unable to read superblock [ 40.736341][ T3622] I/O error, dev loop0, sector 2 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 40.748720][ T3620] I/O error, dev loop1, sector 2 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 40.750327][ T3623] I/O error, dev loop3, sector 2 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 40.769294][ T3623] MINIX-fs: unable to read superblock [pid 3619] <... ioctl resumed>) = 0 [pid 3618] <... ioctl resumed>) = 0 [pid 3613] clone(child_stack=0x7fdd283b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3612] clone(child_stack=0x7fdd283b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3606] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3619] close(4 [pid 3618] close(4 [pid 3619] <... close resumed>) = 0 [pid 3618] <... close resumed>) = 0 [pid 3619] close(3 [pid 3618] close(3 [pid 3619] <... close resumed>) = 0 [pid 3618] <... close resumed>) = 0 [pid 3619] futex(0x7fdd284ac3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3618] futex(0x7fdd284ac3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3619] <... futex resumed>) = 0 [pid 3618] <... futex resumed>) = 0 [pid 3619] futex(0x7fdd284ac3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3618] futex(0x7fdd284ac3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3611] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3623] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 3623] futex(0x7fdd284ac3fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3611] exit_group(0 [pid 3617] <... futex resumed>) = ? [pid 3611] <... exit_group resumed>) = ? [pid 3617] +++ exited with 0 +++ [pid 3613] <... clone resumed>, parent_tid=[3625], tls=0x7fdd283b3700, child_tidptr=0x7fdd283b39d0) = 3625 [pid 3612] <... clone resumed>, parent_tid=[3626], tls=0x7fdd283b3700, child_tidptr=0x7fdd283b39d0) = 3626 [pid 3612] futex(0x7fdd284ac3f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3603] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3612] futex(0x7fdd284ac3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3603] <... openat resumed>) = 3 [pid 3613] futex(0x7fdd284ac3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3603] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3603] close(3) = 0 ./strace-static-x86_64: Process 3626 attached [pid 3623] +++ exited with 0 +++ [pid 3622] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 3613] <... futex resumed>) = 0 [pid 3611] +++ exited with 0 +++ ./strace-static-x86_64: Process 3625 attached [pid 3626] set_robust_list(0x7fdd283b39e0, 24 [pid 3622] futex(0x7fdd284ac3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3620] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 3613] futex(0x7fdd284ac3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3606] exit_group(0 [pid 3603] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3626] <... set_robust_list resumed>) = 0 [pid 3625] set_robust_list(0x7fdd283b39e0, 24 [pid 3620] futex(0x7fdd284ac3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3616] <... futex resumed>) = ? [pid 3606] <... exit_group resumed>) = ? [pid 3626] mount("/dev/loop5", "./file0", "minix", 0, NULL [pid 3625] <... set_robust_list resumed>) = 0 [pid 3622] <... futex resumed>) = ? [pid 3620] <... futex resumed>) = 0 [pid 3616] +++ exited with 0 +++ [pid 3604] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3611, si_uid=0, si_status=0, si_utime=0, si_stime=5} --- [ 40.778661][ T3609] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 40.788076][ T3622] MINIX-fs: unable to read superblock [ 40.793229][ T3609] Buffer I/O error on dev loop5, logical block 0, async page read [ 40.794920][ T3620] MINIX-fs: unable to read superblock [pid 3625] mount("/dev/loop4", "./file0", "minix", 0, NULL [pid 3622] +++ exited with 0 +++ [pid 3620] futex(0x7fdd284ac3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3607] exit_group(0 [pid 3606] +++ exited with 0 +++ [pid 3604] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3603] <... clone resumed>, child_tidptr=0x5555563f55d0) = 3628 ./strace-static-x86_64: Process 3628 attached [pid 3628] set_robust_list(0x5555563f55e0, 24) = 0 [pid 3628] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3628] setpgid(0, 0) = 0 [pid 3628] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3628] write(3, "1000", 4) = 4 [pid 3625] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 3628] close(3) = 0 [pid 3628] futex(0x7fdd284ac3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3628] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fdd283b4000 [pid 3628] mprotect(0x7fdd283b5000, 131072, PROT_READ|PROT_WRITE [pid 3607] <... exit_group resumed>) = ? [pid 3604] <... openat resumed>) = 3 [pid 3601] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3606, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3628] <... mprotect resumed>) = 0 [pid 3620] <... futex resumed>) = ? [pid 3614] <... futex resumed>) = ? [pid 3612] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3628] clone(child_stack=0x7fdd283d43f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3630], tls=0x7fdd283d4700, child_tidptr=0x7fdd283d49d0) = 3630 [pid 3628] futex(0x7fdd284ac3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3628] futex(0x7fdd284ac3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 3620] +++ exited with 0 +++ [pid 3614] +++ exited with 0 +++ [pid 3613] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3607] +++ exited with 0 +++ [pid 3604] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) ./strace-static-x86_64: Process 3630 attached [pid 3604] close(3 [pid 3602] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3607, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 3630] set_robust_list(0x7fdd283d49e0, 24 [pid 3604] <... close resumed>) = 0 [pid 3602] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3604] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3630] <... set_robust_list resumed>) = 0 [pid 3602] <... openat resumed>) = 3 [pid 3630] memfd_create("syzkaller", 0 [pid 3602] ioctl(3, LOOP_CLR_FD [pid 3630] <... memfd_create resumed>) = 3 [pid 3625] futex(0x7fdd284ac3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3604] <... clone resumed>, child_tidptr=0x5555563f55d0) = 3631 [pid 3602] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3630] ftruncate(3, 139264 [pid 3625] <... futex resumed>) = 0 [ 40.828450][ T3625] I/O error, dev loop4, sector 2 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 40.838012][ T3626] I/O error, dev loop5, sector 8 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 40.849302][ T3625] MINIX-fs: unable to read superblock [ 40.859918][ T3626] Unable to read inode block [pid 3602] close(3 [pid 3630] <... ftruncate resumed>) = 0 [pid 3625] futex(0x7fdd284ac3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3613] exit_group(0 [pid 3630] 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) = 26 [pid 3630] 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 3630] pwrite64(3, NULL, 0, 69632) = 0 [pid 3630] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 3630] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3625] <... futex resumed>) = ? [pid 3619] <... futex resumed>) = ? [pid 3613] <... exit_group resumed>) = ? [pid 3602] <... close resumed>) = 0 [pid 3601] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3630] mkdir("./file0", 0777 [pid 3625] +++ exited with 0 +++ [pid 3619] +++ exited with 0 +++ [pid 3630] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3630] mount("/dev/loop2", "./file0", "minix", 0, "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff" [pid 3613] +++ exited with 0 +++ ./strace-static-x86_64: Process 3631 attached [pid 3602] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3601] <... openat resumed>) = 3 [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3613, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...> [pid 3631] set_robust_list(0x5555563f55e0, 24 [pid 3605] <... restart_syscall resumed>) = 0 [pid 3601] ioctl(3, LOOP_CLR_FD [pid 3631] <... set_robust_list resumed>) = 0 [pid 3602] <... clone resumed>, child_tidptr=0x5555563f55d0) = 3633 [pid 3601] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3631] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3630] <... mount resumed>) = -1 ENOTDIR (Not a directory) [pid 3605] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3601] close(3./strace-static-x86_64: Process 3633 attached [pid 3631] setpgid(0, 0 [pid 3630] ioctl(4, LOOP_CLR_FD [pid 3605] <... openat resumed>) = 3 [pid 3601] <... close resumed>) = 0 [pid 3633] set_robust_list(0x5555563f55e0, 24 [pid 3631] <... setpgid resumed>) = 0 [pid 3605] ioctl(3, LOOP_CLR_FD [pid 3601] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3633] <... set_robust_list resumed>) = 0 [pid 3631] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3605] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3633] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3631] <... openat resumed>) = 3 [pid 3626] <... mount resumed>) = -1 EIO (Input/output error) [pid 3605] close(3 [pid 3633] <... prctl resumed>) = 0 [pid 3631] write(3, "1000", 4 [pid 3605] <... close resumed>) = 0 [pid 3626] futex(0x7fdd284ac3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3601] <... clone resumed>, child_tidptr=0x5555563f55d0) = 3634 ./strace-static-x86_64: Process 3634 attached [pid 3633] setpgid(0, 0 [pid 3631] <... write resumed>) = 4 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3634] set_robust_list(0x5555563f55e0, 24 [pid 3633] <... setpgid resumed>) = 0 [pid 3631] close(3 [pid 3626] <... futex resumed>) = 0 [pid 3612] exit_group(0 [pid 3634] <... set_robust_list resumed>) = 0 [pid 3633] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3631] <... close resumed>) = 0 [pid 3618] <... futex resumed>) = ? [pid 3612] <... exit_group resumed>) = ? [pid 3605] <... clone resumed>, child_tidptr=0x5555563f55d0) = 3635 [pid 3634] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3633] <... openat resumed>) = 3 [pid 3631] futex(0x7fdd284ac3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3618] +++ exited with 0 +++ [pid 3634] <... prctl resumed>) = 0 [pid 3633] write(3, "1000", 4 [pid 3631] <... futex resumed>) = 0 [pid 3634] setpgid(0, 0 [pid 3633] <... write resumed>) = 4 [pid 3631] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3634] <... setpgid resumed>) = 0 [pid 3633] close(3 [pid 3631] <... mmap resumed>) = 0x7fdd283b4000 [pid 3626] +++ exited with 0 +++ [pid 3612] +++ exited with 0 +++ [pid 3634] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3633] <... close resumed>) = 0 [pid 3631] mprotect(0x7fdd283b5000, 131072, PROT_READ|PROT_WRITE [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3612, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- ./strace-static-x86_64: Process 3635 attached [pid 3634] <... openat resumed>) = 3 [pid 3633] futex(0x7fdd284ac3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3631] <... mprotect resumed>) = 0 [pid 3608] restart_syscall(<... resuming interrupted clone ...> [pid 3635] set_robust_list(0x5555563f55e0, 24 [pid 3634] write(3, "1000", 4 [pid 3633] <... futex resumed>) = 0 [pid 3631] clone(child_stack=0x7fdd283d43f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3608] <... restart_syscall resumed>) = 0 [pid 3635] <... set_robust_list resumed>) = 0 [pid 3634] <... write resumed>) = 4 [pid 3633] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3635] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3634] close(3 [pid 3633] <... mmap resumed>) = 0x7fdd283b4000 [pid 3631] <... clone resumed>, parent_tid=[3636], tls=0x7fdd283d4700, child_tidptr=0x7fdd283d49d0) = 3636 [pid 3635] <... prctl resumed>) = 0 [pid 3634] <... close resumed>) = 0 [pid 3633] mprotect(0x7fdd283b5000, 131072, PROT_READ|PROT_WRITE [pid 3631] futex(0x7fdd284ac3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3608] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 3635] setpgid(0, 0 [pid 3634] futex(0x7fdd284ac3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3633] <... mprotect resumed>) = 0 [pid 3631] <... futex resumed>) = 0 [pid 3608] <... openat resumed>) = 3 ./strace-static-x86_64: Process 3636 attached [pid 3635] <... setpgid resumed>) = 0 [pid 3634] <... futex resumed>) = 0 [pid 3633] clone(child_stack=0x7fdd283d43f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3631] futex(0x7fdd284ac3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 3608] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 3637 attached [pid 3636] set_robust_list(0x7fdd283d49e0, 24 [ 40.875087][ T3626] MINIX-fs: get root inode failed [ 40.877923][ T3630] loop2: detected capacity change from 0 to 272 [pid 3635] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3634] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3608] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3636] <... set_robust_list resumed>) = 0 [pid 3635] <... openat resumed>) = 3 [pid 3634] <... mmap resumed>) = 0x7fdd283b4000 [pid 3633] <... clone resumed>, parent_tid=[3637], tls=0x7fdd283d4700, child_tidptr=0x7fdd283d49d0) = 3637 [pid 3630] <... ioctl resumed>) = 0 [pid 3608] close(3 [pid 3637] set_robust_list(0x7fdd283d49e0, 24 [pid 3636] memfd_create("syzkaller", 0 [pid 3635] write(3, "1000", 4 [pid 3634] mprotect(0x7fdd283b5000, 131072, PROT_READ|PROT_WRITE [pid 3633] futex(0x7fdd284ac3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3630] close(4 [pid 3608] <... close resumed>) = 0 [pid 3636] <... memfd_create resumed>) = 3 [pid 3635] <... write resumed>) = 4 [pid 3637] <... set_robust_list resumed>) = 0 [pid 3634] <... mprotect resumed>) = 0 [pid 3633] <... futex resumed>) = 0 [pid 3630] <... close resumed>) = 0 [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3637] memfd_create("syzkaller", 0 [pid 3636] ftruncate(3, 139264 [pid 3635] close(3 [pid 3634] clone(child_stack=0x7fdd283d43f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3633] futex(0x7fdd284ac3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 3630] close(3 [pid 3637] <... memfd_create resumed>) = 3 [pid 3636] <... ftruncate resumed>) = 0 [pid 3635] <... close resumed>) = 0 [pid 3630] <... close resumed>) = 0 [pid 3608] <... clone resumed>, child_tidptr=0x5555563f55d0) = 3638 [pid 3637] ftruncate(3, 139264 [pid 3636] 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 3635] futex(0x7fdd284ac3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3634] <... clone resumed>, parent_tid=[3639], tls=0x7fdd283d4700, child_tidptr=0x7fdd283d49d0) = 3639 [pid 3630] futex(0x7fdd284ac3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3637] <... ftruncate resumed>) = 0 [pid 3636] <... pwrite64 resumed>) = 26 [pid 3635] <... futex resumed>) = 0 [pid 3634] futex(0x7fdd284ac3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3630] <... futex resumed>) = 1 [pid 3628] <... futex resumed>) = 0 [pid 3637] 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 3636] 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 3635] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3634] <... futex resumed>) = 0 [pid 3630] futex(0x7fdd284ac3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3628] futex(0x7fdd284ac3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3637] <... pwrite64 resumed>) = 26 [pid 3636] <... pwrite64 resumed>) = 2214 [pid 3635] <... mmap resumed>) = 0x7fdd283b4000 [pid 3634] futex(0x7fdd284ac3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 3630] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3628] <... futex resumed>) = 0 ./strace-static-x86_64: Process 3639 attached [pid 3637] 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 3636] pwrite64(3, NULL, 0, 69632 [pid 3635] mprotect(0x7fdd283b5000, 131072, PROT_READ|PROT_WRITE [pid 3630] mount("/dev/loop2", "./file0", "minix", 0, NULL [pid 3628] futex(0x7fdd284ac3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3639] set_robust_list(0x7fdd283d49e0, 24 [pid 3637] <... pwrite64 resumed>) = 2214 [pid 3636] <... pwrite64 resumed>) = 0 [pid 3635] <... mprotect resumed>) = 0 [pid 3639] <... set_robust_list resumed>) = 0 [pid 3636] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3635] clone(child_stack=0x7fdd283d43f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3639] memfd_create("syzkaller", 0 [pid 3636] <... openat resumed>) = 4 [pid 3639] <... memfd_create resumed>) = 3 [pid 3636] ioctl(4, LOOP_SET_FD, 3 [pid 3635] <... clone resumed>, parent_tid=[3640], tls=0x7fdd283d4700, child_tidptr=0x7fdd283d49d0) = 3640 [pid 3639] ftruncate(3, 139264 [pid 3637] pwrite64(3, NULL, 0, 69632 [pid 3635] futex(0x7fdd284ac3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3639] <... ftruncate resumed>) = 0 [pid 3637] <... pwrite64 resumed>) = 0 [pid 3635] <... futex resumed>) = 0 ./strace-static-x86_64: Process 3638 attached [pid 3639] 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 3637] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3635] futex(0x7fdd284ac3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 3639] <... pwrite64 resumed>) = 26 [pid 3637] <... openat resumed>) = 4 ./strace-static-x86_64: Process 3640 attached [pid 3639] 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 3637] ioctl(4, LOOP_SET_FD, 3 [pid 3640] set_robust_list(0x7fdd283d49e0, 24 [pid 3639] <... pwrite64 resumed>) = 2214 [pid 3638] set_robust_list(0x5555563f55e0, 24 [pid 3640] <... set_robust_list resumed>) = 0 [pid 3639] pwrite64(3, NULL, 0, 69632 [pid 3640] memfd_create("syzkaller", 0 [pid 3639] <... pwrite64 resumed>) = 0 [pid 3640] <... memfd_create resumed>) = 3 [pid 3639] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3640] ftruncate(3, 139264 [pid 3639] <... openat resumed>) = 4 [pid 3640] <... ftruncate resumed>) = 0 [pid 3639] ioctl(4, LOOP_SET_FD, 3 [pid 3640] 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 3638] <... set_robust_list resumed>) = 0 [pid 3640] <... pwrite64 resumed>) = 26 [pid 3640] 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 3640] pwrite64(3, NULL, 0, 69632) = 0 [pid 3640] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 3640] ioctl(4, LOOP_SET_FD, 3 [pid 3638] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3636] <... ioctl resumed>) = 0 [pid 3638] <... prctl resumed>) = 0 [pid 3636] mkdir("./file0", 0777 [pid 3638] setpgid(0, 0 [pid 3636] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3637] <... ioctl resumed>) = 0 [pid 3638] <... setpgid resumed>) = 0 [pid 3637] mkdir("./file0", 0777 [pid 3636] mount("/dev/loop3", "./file0", "minix", 0, "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff" [pid 3638] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3637] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3639] <... ioctl resumed>) = 0 [pid 3638] <... openat resumed>) = 3 [pid 3637] mount("/dev/loop1", "./file0", "minix", 0, "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff" [pid 3628] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3639] mkdir("./file0", 0777 [pid 3638] write(3, "1000", 4 [pid 3639] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3638] <... write resumed>) = 4 [pid 3639] mount("/dev/loop0", "./file0", "minix", 0, "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff" [pid 3638] close(3 [pid 3636] <... mount resumed>) = -1 ENOTDIR (Not a directory) [pid 3638] <... close resumed>) = 0 [pid 3636] ioctl(4, LOOP_CLR_FD [pid 3638] futex(0x7fdd284ac3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3637] <... mount resumed>) = -1 ENOTDIR (Not a directory) [pid 3639] <... mount resumed>) = -1 ENOTDIR (Not a directory) [pid 3638] <... futex resumed>) = 0 [pid 3637] ioctl(4, LOOP_CLR_FD [pid 3640] <... ioctl resumed>) = 0 [pid 3639] ioctl(4, LOOP_CLR_FD [pid 3638] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3640] mkdir("./file0", 0777 [pid 3638] <... mmap resumed>) = 0x7fdd283b4000 [pid 3640] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3638] mprotect(0x7fdd283b5000, 131072, PROT_READ|PROT_WRITE [pid 3640] mount("/dev/loop4", "./file0", "minix", 0, "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff" [pid 3638] <... mprotect resumed>) = 0 [pid 3638] clone(child_stack=0x7fdd283d43f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3641], tls=0x7fdd283d4700, child_tidptr=0x7fdd283d49d0) = 3641 [pid 3638] futex(0x7fdd284ac3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3638] futex(0x7fdd284ac3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 3630] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 3630] futex(0x7fdd284ac3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3640] <... mount resumed>) = -1 ENOTDIR (Not a directory) [pid 3630] <... futex resumed>) = 0 ./strace-static-x86_64: Process 3641 attached [pid 3640] ioctl(4, LOOP_CLR_FD [pid 3630] futex(0x7fdd284ac3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3628] exit_group(0 [pid 3641] set_robust_list(0x7fdd283d49e0, 24 [pid 3631] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3630] <... futex resumed>) = ? [pid 3628] <... exit_group resumed>) = ? [ 40.966662][ T3630] I/O error, dev loop2, sector 2 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 40.970254][ T3636] loop3: detected capacity change from 0 to 272 [ 40.987010][ T3637] loop1: detected capacity change from 0 to 272 [ 40.989563][ T3639] loop0: detected capacity change from 0 to 272 [ 40.994656][ T3630] MINIX-fs: unable to read superblock [ 41.002089][ T3640] loop4: detected capacity change from 0 to 272 [pid 3641] <... set_robust_list resumed>) = 0 [pid 3631] futex(0x7fdd284ac3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3630] +++ exited with 0 +++ [pid 3628] +++ exited with 0 +++ [pid 3641] memfd_create("syzkaller", 0) = 3 [pid 3641] ftruncate(3, 139264) = 0 [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) = 26 [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) = 2214 [pid 3641] pwrite64(3, NULL, 0, 69632) = 0 [pid 3641] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 3631] <... futex resumed>) = 0 [pid 3641] <... openat resumed>) = 4 [pid 3603] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3628, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3641] ioctl(4, LOOP_SET_FD, 3 [pid 3631] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3641] <... ioctl resumed>) = 0 [pid 3631] <... mmap resumed>) = 0x7fdd28393000 [pid 3641] mkdir("./file0", 0777 [pid 3631] mprotect(0x7fdd28394000, 131072, PROT_READ|PROT_WRITE [pid 3603] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3631] <... mprotect resumed>) = 0 [pid 3603] <... openat resumed>) = 3 [pid 3633] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3631] clone(child_stack=0x7fdd283b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3633] futex(0x7fdd284ac3fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3603] ioctl(3, LOOP_CLR_FD [pid 3633] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3631] <... clone resumed>, parent_tid=[3642], tls=0x7fdd283b3700, child_tidptr=0x7fdd283b39d0) = 3642 [pid 3603] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3641] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3633] <... mmap resumed>) = 0x7fdd28393000 [pid 3631] futex(0x7fdd284ac3f8, FUTEX_WAKE_PRIVATE, 1000000