./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1163899989 <...> DUID 00:04:7c:8f:25:e4:1e:61:d4:15:b8:1c:50:2a:7f:f5:0b:01 forked to background, child pid 4660 [ 29.256866][ T4661] 8021q: adding VLAN 0 to HW filter on device bond0 [ 29.266685][ T4661] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.1.95' (ECDSA) to the list of known hosts. execve("./syz-executor1163899989", ["./syz-executor1163899989"], 0x7ffda87c9c40 /* 10 vars */) = 0 brk(NULL) = 0x555555b83000 brk(0x555555b83c40) = 0x555555b83c40 arch_prctl(ARCH_SET_FS, 0x555555b83300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 set_tid_address(0x555555b835d0) = 4999 set_robust_list(0x555555b835e0, 24) = 0 rt_sigaction(SIGRTMIN, {sa_handler=0x7f9970a805a0, sa_mask=[], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x7f9970a80c70}, NULL, 8) = 0 rt_sigaction(SIGRT_1, {sa_handler=0x7f9970a80640, sa_mask=[], sa_flags=SA_RESTORER|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f9970a80c70}, 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-executor1163899989", 4096) = 28 brk(0x555555ba4c40) = 0x555555ba4c40 brk(0x555555ba5000) = 0x555555ba5000 mprotect(0x7f9970b43000, 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 5000 attached , child_tidptr=0x555555b835d0) = 5000 [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] set_robust_list(0x555555b835e0, 24) = 0 ./strace-static-x86_64: Process 5001 attached [pid 5000] getpid( [pid 5001] set_robust_list(0x555555b835e0, 24 [pid 5000] <... getpid resumed>) = 5000 [pid 5001] <... set_robust_list resumed>) = 0 [pid 5000] mkdir("./syzkaller.e5ikAf", 0700 [pid 5001] getpid( [pid 4999] <... clone resumed>, child_tidptr=0x555555b835d0) = 5001 [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5001] <... getpid resumed>) = 5001 [pid 5000] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 5002 attached [pid 5000] chmod("./syzkaller.e5ikAf", 0777 [pid 5001] mkdir("./syzkaller.rF6J7l", 0700 [pid 4999] <... clone resumed>, child_tidptr=0x555555b835d0) = 5002 [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] <... chmod resumed>) = 0 [pid 5001] <... mkdir resumed>) = 0 [pid 5000] chdir("./syzkaller.e5ikAf" [pid 4999] <... clone resumed>, child_tidptr=0x555555b835d0) = 5003 [pid 5000] <... chdir resumed>) = 0 [pid 5000] mkdir("./0", 0777 [pid 5001] chmod("./syzkaller.rF6J7l", 0777 [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] <... mkdir resumed>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5002] set_robust_list(0x555555b835e0, 24 [pid 5001] <... chmod resumed>) = 0 ./strace-static-x86_64: Process 5004 attached ./strace-static-x86_64: Process 5003 attached [pid 5000] <... openat resumed>) = 3 [pid 4999] <... clone resumed>, child_tidptr=0x555555b835d0) = 5004 [pid 5000] ioctl(3, LOOP_CLR_FD [pid 5001] chdir("./syzkaller.rF6J7l" [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5001] <... chdir resumed>) = 0 [pid 5001] mkdir("./0", 0777 [pid 5000] close(3./strace-static-x86_64: Process 5005 attached [pid 4999] <... clone resumed>, child_tidptr=0x555555b835d0) = 5005 [pid 5004] set_robust_list(0x555555b835e0, 24) = 0 [pid 5001] <... mkdir resumed>) = 0 [pid 5004] getpid() = 5004 [pid 5005] set_robust_list(0x555555b835e0, 24 [pid 5004] mkdir("./syzkaller.P3UWqy", 0700 [pid 5003] set_robust_list(0x555555b835e0, 24 [pid 5002] <... set_robust_list resumed>) = 0 [pid 5001] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5000] <... close resumed>) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5001] <... openat resumed>) = 3 [pid 5001] ioctl(3, LOOP_CLR_FD [pid 5000] <... clone resumed>, child_tidptr=0x555555b835d0) = 5006 [pid 5001] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5005] <... set_robust_list resumed>) = 0 [pid 5001] close(3) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5004] <... mkdir resumed>) = 0 [pid 5004] chmod("./syzkaller.P3UWqy", 0777 [pid 5001] <... clone resumed>, child_tidptr=0x555555b835d0) = 5007 [pid 5004] <... chmod resumed>) = 0 [pid 5004] chdir("./syzkaller.P3UWqy" [pid 5005] getpid( [pid 5004] <... chdir resumed>) = 0 [pid 5004] mkdir("./0", 0777 [pid 5003] <... set_robust_list resumed>) = 0 [pid 5002] getpid(./strace-static-x86_64: Process 5006 attached [pid 5003] getpid( [pid 5005] <... getpid resumed>) = 5005 [pid 5003] <... getpid resumed>) = 5003 [pid 5002] <... getpid resumed>) = 5002 [pid 5006] set_robust_list(0x555555b835e0, 24) = 0 [pid 5005] mkdir("./syzkaller.HFc2pG", 0700 [pid 5003] mkdir("./syzkaller.qjN13u", 0700 [pid 5002] mkdir("./syzkaller.QRzgDq", 0700 [pid 5006] chdir("./0" [pid 5002] <... mkdir resumed>) = 0 [pid 5006] <... chdir resumed>) = 0 [pid 5006] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5005] <... mkdir resumed>) = 0 [pid 5006] <... prctl resumed>) = 0 [pid 5006] setpgid(0, 0) = 0 ./strace-static-x86_64: Process 5007 attached [pid 5006] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5004] <... mkdir resumed>) = 0 [pid 5007] set_robust_list(0x555555b835e0, 24 [pid 5005] chmod("./syzkaller.HFc2pG", 0777 [pid 5004] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5005] <... chmod resumed>) = 0 [pid 5004] <... openat resumed>) = 3 [pid 5006] <... openat resumed>) = 3 [pid 5005] chdir("./syzkaller.HFc2pG" [pid 5007] <... set_robust_list resumed>) = 0 [pid 5005] <... chdir resumed>) = 0 [pid 5002] chmod("./syzkaller.QRzgDq", 0777 [pid 5007] chdir("./0" [pid 5005] mkdir("./0", 0777 [pid 5002] <... chmod resumed>) = 0 [pid 5005] <... mkdir resumed>) = 0 [pid 5003] <... mkdir resumed>) = 0 [pid 5002] chdir("./syzkaller.QRzgDq" [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5007] <... chdir resumed>) = 0 [pid 5002] <... chdir resumed>) = 0 [pid 5003] chmod("./syzkaller.qjN13u", 0777 [pid 5005] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5004] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5002] mkdir("./0", 0777 [pid 5006] write(3, "1000", 4 [pid 5003] <... chmod resumed>) = 0 [pid 5007] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5006] <... write resumed>) = 4 [pid 5007] <... prctl resumed>) = 0 [pid 5006] close(3 [pid 5007] setpgid(0, 0 [pid 5006] <... close resumed>) = 0 [pid 5004] close(3 [pid 5007] <... setpgid resumed>) = 0 [pid 5006] symlink("/dev/binderfs", "./binderfs" [pid 5004] <... close resumed>) = 0 [pid 5002] <... mkdir resumed>) = 0 [pid 5007] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5006] <... symlink resumed>) = 0 [pid 5005] <... openat resumed>) = 3 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5003] chdir("./syzkaller.qjN13u" [pid 5002] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5005] ioctl(3, LOOP_CLR_FD [pid 5003] <... chdir resumed>) = 0 [pid 5007] <... openat resumed>) = 3 [pid 5006] futex(0x7f9970b497ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5003] mkdir("./0", 0777 [pid 5002] <... openat resumed>) = 3 [pid 5007] write(3, "1000", 4 [pid 5006] <... futex resumed>) = 0 [pid 5004] <... clone resumed>, child_tidptr=0x555555b835d0) = 5009 [pid 5007] <... write resumed>) = 4 [pid 5006] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5007] close(3 [pid 5006] <... mmap resumed>) = 0x7f9970a4f000 [pid 5003] <... mkdir resumed>) = 0 [pid 5005] close(3 [pid 5002] ioctl(3, LOOP_CLR_FD [pid 5005] <... close resumed>) = 0 [pid 5007] <... close resumed>) = 0 [pid 5006] mprotect(0x7f9970a50000, 131072, PROT_READ|PROT_WRITE [pid 5002] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5003] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5007] symlink("/dev/binderfs", "./binderfs" [pid 5006] <... mprotect resumed>) = 0 [pid 5007] <... symlink resumed>) = 0 [pid 5002] close(3 [pid 5007] futex(0x7f9970b497ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5006] clone(child_stack=0x7f9970a6f3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5005] <... clone resumed>, child_tidptr=0x555555b835d0) = 5010 [pid 5003] <... openat resumed>) = 3 [pid 5002] <... close resumed>) = 0 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5007] <... futex resumed>) = 0 [pid 5007] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5006] <... clone resumed>, parent_tid=[5011], tls=0x7f9970a6f700, child_tidptr=0x7f9970a6f9d0) = 5011 [pid 5007] <... mmap resumed>) = 0x7f9970a4f000 [pid 5006] futex(0x7f9970b497a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] ioctl(3, LOOP_CLR_FD [pid 5007] mprotect(0x7f9970a50000, 131072, PROT_READ|PROT_WRITE [pid 5006] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5010 attached [pid 5007] <... mprotect resumed>) = 0 [pid 5006] futex(0x7f9970b497ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5003] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5002] <... clone resumed>, child_tidptr=0x555555b835d0) = 5012 ./strace-static-x86_64: Process 5012 attached ./strace-static-x86_64: Process 5009 attached [pid 5010] set_robust_list(0x555555b835e0, 24 [pid 5007] clone(child_stack=0x7f9970a6f3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5003] close(3./strace-static-x86_64: Process 5013 attached [pid 5012] set_robust_list(0x555555b835e0, 24 [pid 5010] <... set_robust_list resumed>) = 0 [pid 5009] set_robust_list(0x555555b835e0, 24 [pid 5003] <... close resumed>) = 0 ./strace-static-x86_64: Process 5011 attached [pid 5013] set_robust_list(0x7f9970a6f9e0, 24 [pid 5012] <... set_robust_list resumed>) = 0 [pid 5010] chdir("./0" [pid 5009] <... set_robust_list resumed>) = 0 [pid 5007] <... clone resumed>, parent_tid=[5013], tls=0x7f9970a6f700, child_tidptr=0x7f9970a6f9d0) = 5013 [pid 5011] set_robust_list(0x7f9970a6f9e0, 24 [pid 5010] <... chdir resumed>) = 0 [pid 5007] futex(0x7f9970b497a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5011] <... set_robust_list resumed>) = 0 [pid 5010] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5007] <... futex resumed>) = 0 [pid 5011] memfd_create("syzkaller", 0 [pid 5010] <... prctl resumed>) = 0 [pid 5007] futex(0x7f9970b497ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5013] <... set_robust_list resumed>) = 0 [pid 5012] chdir("./0" [pid 5010] setpgid(0, 0 [pid 5009] chdir("./0" [pid 5013] memfd_create("syzkaller", 0 [pid 5012] <... chdir resumed>) = 0 [pid 5009] <... chdir resumed>) = 0 [pid 5003] <... clone resumed>, child_tidptr=0x555555b835d0) = 5014 [pid 5013] <... memfd_create resumed>) = 3 [pid 5012] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5009] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5013] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5012] <... prctl resumed>) = 0 [pid 5009] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 5014 attached [pid 5013] <... mmap resumed>) = 0x7f996864f000 [pid 5012] setpgid(0, 0 [pid 5010] <... setpgid resumed>) = 0 [pid 5009] setpgid(0, 0 [pid 5014] set_robust_list(0x555555b835e0, 24 [pid 5013] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5012] <... setpgid resumed>) = 0 [pid 5011] <... memfd_create resumed>) = 3 [pid 5010] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5009] <... setpgid resumed>) = 0 [pid 5014] <... set_robust_list resumed>) = 0 [pid 5012] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5011] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5010] <... openat resumed>) = 3 [pid 5009] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5014] chdir("./0" [pid 5012] <... openat resumed>) = 3 [pid 5011] <... mmap resumed>) = 0x7f996864f000 [pid 5010] write(3, "1000", 4 [pid 5009] <... openat resumed>) = 3 [pid 5014] <... chdir resumed>) = 0 [pid 5012] write(3, "1000", 4 [pid 5009] write(3, "1000", 4 [pid 5012] <... write resumed>) = 4 [pid 5009] <... write resumed>) = 4 [pid 5012] close(3 [pid 5009] close(3 [pid 5012] <... close resumed>) = 0 [pid 5009] <... close resumed>) = 0 [pid 5014] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5012] symlink("/dev/binderfs", "./binderfs" [pid 5010] <... write resumed>) = 4 [pid 5009] symlink("/dev/binderfs", "./binderfs" [pid 5014] <... prctl resumed>) = 0 [pid 5012] <... symlink resumed>) = 0 [pid 5010] close(3 [pid 5009] <... symlink resumed>) = 0 [pid 5014] setpgid(0, 0 [pid 5012] futex(0x7f9970b497ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] <... close resumed>) = 0 [pid 5009] futex(0x7f9970b497ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5014] <... setpgid resumed>) = 0 [pid 5012] <... futex resumed>) = 0 [pid 5011] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5010] symlink("/dev/binderfs", "./binderfs" [pid 5009] <... futex resumed>) = 0 [pid 5014] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5013] <... write resumed>) = 1048576 [pid 5012] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5010] <... symlink resumed>) = 0 [pid 5009] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5014] <... openat resumed>) = 3 [pid 5012] <... mmap resumed>) = 0x7f9970a4f000 [pid 5010] futex(0x7f9970b497ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5009] <... mmap resumed>) = 0x7f9970a4f000 [pid 5014] write(3, "1000", 4 [pid 5012] mprotect(0x7f9970a50000, 131072, PROT_READ|PROT_WRITE [pid 5010] <... futex resumed>) = 0 [pid 5009] mprotect(0x7f9970a50000, 131072, PROT_READ|PROT_WRITE [pid 5014] <... write resumed>) = 4 [pid 5012] <... mprotect resumed>) = 0 [pid 5010] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5009] <... mprotect resumed>) = 0 [pid 5014] close(3 [pid 5012] clone(child_stack=0x7f9970a6f3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5010] <... mmap resumed>) = 0x7f9970a4f000 [pid 5009] clone(child_stack=0x7f9970a6f3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5014] <... close resumed>) = 0 [pid 5010] mprotect(0x7f9970a50000, 131072, PROT_READ|PROT_WRITE [pid 5014] symlink("/dev/binderfs", "./binderfs" [pid 5012] <... clone resumed>, parent_tid=[5015], tls=0x7f9970a6f700, child_tidptr=0x7f9970a6f9d0) = 5015 [pid 5010] <... mprotect resumed>) = 0 [pid 5009] <... clone resumed>, parent_tid=[5016], tls=0x7f9970a6f700, child_tidptr=0x7f9970a6f9d0) = 5016 [pid 5014] <... symlink resumed>) = 0 [pid 5012] futex(0x7f9970b497a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] clone(child_stack=0x7f9970a6f3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5009] futex(0x7f9970b497a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5014] futex(0x7f9970b497ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] <... futex resumed>) = 0 syzkaller login: [ 55.536849][ T5011] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=5011 'syz-executor116' [pid 5009] <... futex resumed>) = 0 [pid 5014] <... futex resumed>) = 0 [pid 5012] futex(0x7f9970b497ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5011] <... write resumed>) = 1048576 [pid 5010] <... clone resumed>, parent_tid=[5017], tls=0x7f9970a6f700, child_tidptr=0x7f9970a6f9d0) = 5017 [pid 5009] futex(0x7f9970b497ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5016 attached ./strace-static-x86_64: Process 5015 attached [pid 5014] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5011] munmap(0x7f996864f000, 1048576 [pid 5010] futex(0x7f9970b497a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5015] set_robust_list(0x7f9970a6f9e0, 24 [pid 5014] <... mmap resumed>) = 0x7f9970a4f000 [pid 5010] <... futex resumed>) = 0 [pid 5016] set_robust_list(0x7f9970a6f9e0, 24 [pid 5015] <... set_robust_list resumed>) = 0 [pid 5014] mprotect(0x7f9970a50000, 131072, PROT_READ|PROT_WRITE [pid 5011] <... munmap resumed>) = 0 [pid 5010] futex(0x7f9970b497ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5017 attached [pid 5016] <... set_robust_list resumed>) = 0 [pid 5015] memfd_create("syzkaller", 0 [pid 5014] <... mprotect resumed>) = 0 [pid 5011] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5016] memfd_create("syzkaller", 0 [pid 5017] set_robust_list(0x7f9970a6f9e0, 24 [pid 5015] <... memfd_create resumed>) = 3 [pid 5014] clone(child_stack=0x7f9970a6f3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5011] <... openat resumed>) = 4 [pid 5016] <... memfd_create resumed>) = 3 [pid 5015] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5013] munmap(0x7f996864f000, 1048576 [pid 5017] <... set_robust_list resumed>) = 0 [pid 5016] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5015] <... mmap resumed>) = 0x7f996864f000 [pid 5014] <... clone resumed>, parent_tid=[5018], tls=0x7f9970a6f700, child_tidptr=0x7f9970a6f9d0) = 5018 [pid 5013] <... munmap resumed>) = 0 [pid 5011] ioctl(4, LOOP_SET_FD, 3 [pid 5017] memfd_create("syzkaller", 0 [pid 5016] <... mmap resumed>) = 0x7f996864f000 [pid 5015] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5014] futex(0x7f9970b497a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5013] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5013] ioctl(4, LOOP_SET_FD, 3 [pid 5017] <... memfd_create resumed>) = 3 [pid 5016] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5014] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5018 attached [pid 5017] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5014] futex(0x7f9970b497ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5018] set_robust_list(0x7f9970a6f9e0, 24 [pid 5017] <... mmap resumed>) = 0x7f996864f000 [pid 5018] <... set_robust_list resumed>) = 0 [pid 5018] memfd_create("syzkaller", 0) = 3 [pid 5018] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f996864f000 [pid 5017] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5011] <... ioctl resumed>) = 0 [pid 5016] <... write resumed>) = 1048576 [pid 5015] <... write resumed>) = 1048576 [pid 5011] close(3) = 0 [pid 5011] mkdir("./file2", 0777 [pid 5013] <... ioctl resumed>) = 0 [pid 5011] <... mkdir resumed>) = 0 [pid 5013] close(3) = 0 [pid 5013] mkdir("./file2", 0777 [pid 5011] mount("/dev/loop0", "./file2", "nilfs2", MS_I_VERSION, "" [pid 5013] <... mkdir resumed>) = 0 [pid 5013] mount("/dev/loop1", "./file2", "nilfs2", MS_I_VERSION, "" [pid 5018] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [ 55.616596][ T5011] loop0: detected capacity change from 0 to 2048 [ 55.618289][ T5013] loop1: detected capacity change from 0 to 2048 [pid 5017] <... write resumed>) = 1048576 [pid 5016] munmap(0x7f996864f000, 1048576) = 0 [pid 5017] munmap(0x7f996864f000, 1048576 [pid 5016] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 5017] <... munmap resumed>) = 0 [pid 5016] ioctl(4, LOOP_SET_FD, 3 [pid 5015] munmap(0x7f996864f000, 1048576) = 0 [pid 5017] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5015] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5017] <... openat resumed>) = 4 [pid 5015] <... openat resumed>) = 4 [pid 5015] ioctl(4, LOOP_SET_FD, 3 [pid 5017] ioctl(4, LOOP_SET_FD, 3 [pid 5016] <... ioctl resumed>) = 0 [ 55.686396][ T5016] loop4: detected capacity change from 0 to 2048 [ 55.698538][ T5015] loop2: detected capacity change from 0 to 2048 [ 55.706819][ T5017] loop5: detected capacity change from 0 to 2048 [ 55.708397][ T5020] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [pid 5017] <... ioctl resumed>) = 0 [pid 5016] close(3 [pid 5011] <... mount resumed>) = 0 [pid 5018] <... write resumed>) = 1048576 [pid 5017] close(3 [pid 5016] <... close resumed>) = 0 [pid 5011] openat(AT_FDCWD, "./file2", O_RDONLY|O_DIRECTORY [pid 5017] <... close resumed>) = 0 [pid 5017] mkdir("./file2", 0777 [pid 5016] mkdir("./file2", 0777 [pid 5011] <... openat resumed>) = 3 [pid 5013] <... mount resumed>) = 0 [pid 5017] <... mkdir resumed>) = 0 [pid 5013] openat(AT_FDCWD, "./file2", O_RDONLY|O_DIRECTORY [pid 5016] <... mkdir resumed>) = 0 [pid 5013] <... openat resumed>) = 3 [pid 5018] munmap(0x7f996864f000, 1048576 [pid 5017] mount("/dev/loop5", "./file2", "nilfs2", MS_I_VERSION, "" [pid 5011] chdir("./file2" [pid 5018] <... munmap resumed>) = 0 [pid 5016] mount("/dev/loop4", "./file2", "nilfs2", MS_I_VERSION, "" [pid 5013] chdir("./file2" [pid 5011] <... chdir resumed>) = 0 [pid 5018] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5013] <... chdir resumed>) = 0 [pid 5011] ioctl(4, LOOP_CLR_FD [pid 5018] <... openat resumed>) = 4 [pid 5013] ioctl(4, LOOP_CLR_FD [pid 5011] <... ioctl resumed>) = 0 [pid 5018] ioctl(4, LOOP_SET_FD, 3 [pid 5013] <... ioctl resumed>) = 0 [pid 5013] close(4 [pid 5011] close(4 [pid 5013] <... close resumed>) = 0 [pid 5013] futex(0x7f9970b497ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5013] futex(0x7f9970b497a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5018] <... ioctl resumed>) = 0 [pid 5018] close(3) = 0 [pid 5018] mkdir("./file2", 0777) = 0 [pid 5018] mount("/dev/loop3", "./file2", "nilfs2", MS_I_VERSION, "" [pid 5011] <... close resumed>) = 0 [pid 5007] <... futex resumed>) = 0 [pid 5011] futex(0x7f9970b497ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] futex(0x7f9970b497a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5013] <... futex resumed>) = 0 [pid 5011] <... futex resumed>) = 1 [pid 5007] <... futex resumed>) = 1 [pid 5006] <... futex resumed>) = 0 [pid 5013] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5011] futex(0x7f9970b497a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5007] futex(0x7f9970b497ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5006] futex(0x7f9970b497a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5015] <... ioctl resumed>) = 0 [pid 5013] <... open resumed>) = 4 [pid 5011] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5006] <... futex resumed>) = 0 [pid 5015] close(3 [pid 5013] futex(0x7f9970b497ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5006] futex(0x7f9970b497ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5015] <... close resumed>) = 0 [pid 5013] <... futex resumed>) = 1 [pid 5013] futex(0x7f9970b497a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5011] <... open resumed>) = 4 [pid 5007] <... futex resumed>) = 0 [pid 5015] mkdir("./file2", 0777 [pid 5011] futex(0x7f9970b497ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] futex(0x7f9970b497a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5013] <... futex resumed>) = 0 [ 55.727757][ T5021] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 55.754159][ T5018] loop3: detected capacity change from 0 to 2048 [pid 5007] <... futex resumed>) = 1 [pid 5017] <... mount resumed>) = 0 [pid 5016] <... mount resumed>) = 0 [pid 5015] <... mkdir resumed>) = 0 [pid 5013] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5011] <... futex resumed>) = 1 [pid 5007] futex(0x7f9970b497ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5006] <... futex resumed>) = 0 [pid 5017] openat(AT_FDCWD, "./file2", O_RDONLY|O_DIRECTORY [pid 5016] openat(AT_FDCWD, "./file2", O_RDONLY|O_DIRECTORY [pid 5015] mount("/dev/loop2", "./file2", "nilfs2", MS_I_VERSION, "" [pid 5013] <... open resumed>) = 5 [pid 5011] futex(0x7f9970b497a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5006] futex(0x7f9970b497a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5017] <... openat resumed>) = 3 [pid 5013] futex(0x7f9970b497ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5017] chdir("./file2" [pid 5016] <... openat resumed>) = 3 [pid 5013] <... futex resumed>) = 1 [pid 5011] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5007] <... futex resumed>) = 0 [pid 5006] <... futex resumed>) = 0 [pid 5016] chdir("./file2" [pid 5013] futex(0x7f9970b497a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5011] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5007] futex(0x7f9970b497a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5006] futex(0x7f9970b497ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5017] <... chdir resumed>) = 0 [pid 5017] ioctl(4, LOOP_CLR_FD [pid 5016] <... chdir resumed>) = 0 [pid 5013] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5011] <... open resumed>) = 5 [pid 5007] <... futex resumed>) = 0 [pid 5017] <... ioctl resumed>) = 0 [pid 5016] ioctl(4, LOOP_CLR_FD [pid 5013] ftruncate(5, 33587195 [pid 5011] futex(0x7f9970b497ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] futex(0x7f9970b497ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5017] close(4 [pid 5016] <... ioctl resumed>) = 0 [pid 5013] <... ftruncate resumed>) = 0 [pid 5011] <... futex resumed>) = 1 [pid 5006] <... futex resumed>) = 0 [pid 5017] <... close resumed>) = 0 [pid 5016] close(4 [pid 5013] futex(0x7f9970b497ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] futex(0x7f9970b497a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5006] futex(0x7f9970b497a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5017] futex(0x7f9970b497ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5016] <... close resumed>) = 0 [pid 5013] <... futex resumed>) = 1 [pid 5011] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5007] <... futex resumed>) = 0 [pid 5006] <... futex resumed>) = 0 [pid 5017] <... futex resumed>) = 1 [pid 5016] futex(0x7f9970b497ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5013] futex(0x7f9970b497a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5011] ftruncate(5, 33587195 [pid 5010] <... futex resumed>) = 0 [pid 5007] futex(0x7f9970b497a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5006] futex(0x7f9970b497ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5017] futex(0x7f9970b497a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5016] <... futex resumed>) = 1 [pid 5015] <... mount resumed>) = 0 [pid 5013] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 55.793508][ T5024] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 55.804201][ T5023] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 55.832796][ T5026] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [pid 5011] <... ftruncate resumed>) = 0 [pid 5010] futex(0x7f9970b497a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5009] <... futex resumed>) = 0 [pid 5007] <... futex resumed>) = 0 [pid 5017] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5016] futex(0x7f9970b497a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5015] openat(AT_FDCWD, "./file2", O_RDONLY|O_DIRECTORY [pid 5013] open("./file2", O_RDONLY [pid 5018] <... mount resumed>) = 0 [pid 5017] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5016] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5015] <... openat resumed>) = 3 [pid 5011] futex(0x7f9970b497ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] <... futex resumed>) = 0 [pid 5009] futex(0x7f9970b497a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] futex(0x7f9970b497ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5018] openat(AT_FDCWD, "./file2", O_RDONLY|O_DIRECTORY [pid 5016] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5015] chdir("./file2" [pid 5011] <... futex resumed>) = 1 [pid 5010] futex(0x7f9970b497ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5009] <... futex resumed>) = 0 [pid 5006] <... futex resumed>) = 0 [pid 5018] <... openat resumed>) = 3 [pid 5017] <... open resumed>) = 4 [pid 5015] <... chdir resumed>) = 0 [pid 5011] futex(0x7f9970b497a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5009] futex(0x7f9970b497ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5006] futex(0x7f9970b497a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5018] chdir("./file2" [pid 5017] futex(0x7f9970b497ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5016] <... open resumed>) = 4 [pid 5015] ioctl(4, LOOP_CLR_FD [pid 5011] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5006] <... futex resumed>) = 0 [pid 5018] <... chdir resumed>) = 0 [pid 5017] <... futex resumed>) = 1 [pid 5016] futex(0x7f9970b497ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5015] <... ioctl resumed>) = 0 [pid 5011] open("./file2", O_RDONLY [pid 5010] <... futex resumed>) = 0 [pid 5006] futex(0x7f9970b497ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5018] ioctl(4, LOOP_CLR_FD [pid 5017] futex(0x7f9970b497a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5016] <... futex resumed>) = 1 [pid 5015] close(4 [pid 5009] <... futex resumed>) = 0 [pid 5018] <... ioctl resumed>) = 0 [pid 5018] close(4) = 0 [pid 5018] futex(0x7f9970b497ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5018] futex(0x7f9970b497a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5017] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5016] futex(0x7f9970b497a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5015] <... close resumed>) = 0 [pid 5014] <... futex resumed>) = 0 [pid 5010] futex(0x7f9970b497a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5009] futex(0x7f9970b497a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5017] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5016] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5015] futex(0x7f9970b497ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5014] futex(0x7f9970b497a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] <... futex resumed>) = 0 [pid 5009] <... futex resumed>) = 0 [pid 5017] <... open resumed>) = 5 [pid 5016] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5015] <... futex resumed>) = 1 [pid 5014] <... futex resumed>) = 1 [pid 5010] futex(0x7f9970b497ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5009] futex(0x7f9970b497ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5016] <... open resumed>) = 5 [pid 5015] futex(0x7f9970b497a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5014] futex(0x7f9970b497ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5017] futex(0x7f9970b497ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5016] futex(0x7f9970b497ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5018] <... futex resumed>) = 0 [pid 5017] <... futex resumed>) = 1 [pid 5012] <... futex resumed>) = 0 [pid 5016] <... futex resumed>) = 1 [pid 5010] <... futex resumed>) = 0 [pid 5009] <... futex resumed>) = 0 [pid 5018] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5017] futex(0x7f9970b497a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5016] futex(0x7f9970b497a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5012] futex(0x7f9970b497a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] futex(0x7f9970b497a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5009] futex(0x7f9970b497a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5018] <... open resumed>) = 4 [pid 5017] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5016] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5015] <... futex resumed>) = 0 [pid 5012] <... futex resumed>) = 1 [pid 5010] <... futex resumed>) = 0 [pid 5009] <... futex resumed>) = 0 [pid 5018] futex(0x7f9970b497ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5017] ftruncate(5, 33587195 [pid 5016] ftruncate(5, 33587195 [pid 5015] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5012] futex(0x7f9970b497ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5010] futex(0x7f9970b497ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5009] futex(0x7f9970b497ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5018] <... futex resumed>) = 1 [pid 5017] <... ftruncate resumed>) = 0 [pid 5016] <... ftruncate resumed>) = 0 [pid 5014] <... futex resumed>) = 0 [pid 5018] futex(0x7f9970b497a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5014] futex(0x7f9970b497a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5018] <... futex resumed>) = 0 [pid 5017] futex(0x7f9970b497ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5016] futex(0x7f9970b497ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5014] <... futex resumed>) = 1 [pid 5018] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5017] <... futex resumed>) = 1 [pid 5016] <... futex resumed>) = 1 [pid 5015] <... open resumed>) = 4 [ 55.844728][ T5025] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 55.848649][ T5013] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16) [ 55.874752][ T5011] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16) [ 55.883947][ T5013] Remounting filesystem read-only [pid 5014] futex(0x7f9970b497ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5010] <... futex resumed>) = 0 [pid 5009] <... futex resumed>) = 0 [pid 5018] <... open resumed>) = 5 [pid 5018] futex(0x7f9970b497ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5014] <... futex resumed>) = 0 [pid 5018] futex(0x7f9970b497a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5014] futex(0x7f9970b497a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5018] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5014] <... futex resumed>) = 0 [pid 5018] ftruncate(5, 33587195 [pid 5014] futex(0x7f9970b497ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5018] <... ftruncate resumed>) = 0 [pid 5018] futex(0x7f9970b497ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5017] futex(0x7f9970b497a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5016] open("./file2", O_RDONLY [pid 5015] futex(0x7f9970b497ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5014] <... futex resumed>) = 0 [pid 5010] futex(0x7f9970b497a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5009] futex(0x7f9970b497a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5018] futex(0x7f9970b497a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5017] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5014] futex(0x7f9970b497a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5018] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5014] <... futex resumed>) = 0 [pid 5018] open("./file2", O_RDONLY [pid 5014] futex(0x7f9970b497ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5017] open("./file2", O_RDONLY [pid 5015] <... futex resumed>) = 1 [pid 5012] <... futex resumed>) = 0 [pid 5010] <... futex resumed>) = 0 [pid 5009] <... futex resumed>) = 0 [pid 5007] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5012] futex(0x7f9970b497a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5012] futex(0x7f9970b497ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5015] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5010] futex(0x7f9970b497ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5009] futex(0x7f9970b497ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5007] futex(0x7f9970b497bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5006] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 55.903514][ T5011] Remounting filesystem read-only [ 55.911312][ T5016] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16) [ 55.913666][ T5018] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=16) [ 55.933063][ T5017] NILFS error (device loop5): nilfs_bmap_lookup_contig: broken bmap (inode number=16) [ 55.935233][ T5013] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16) [pid 5015] <... open resumed>) = 5 [pid 5007] <... futex resumed>) = 0 [pid 5006] futex(0x7f9970b497bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5015] futex(0x7f9970b497ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5006] <... futex resumed>) = 0 [pid 5015] <... futex resumed>) = 1 [pid 5007] <... mmap resumed>) = 0x7f996872e000 [pid 5006] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5014] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5012] <... futex resumed>) = 0 [pid 5014] futex(0x7f9970b497bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] futex(0x7f9970b497a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5014] <... futex resumed>) = 0 [pid 5012] <... futex resumed>) = 0 [pid 5014] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5012] futex(0x7f9970b497ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5014] <... mmap resumed>) = 0x7f996872e000 [pid 5014] mprotect(0x7f996872f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5014] clone(child_stack=0x7f996874e3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5007] mprotect(0x7f996872f000, 131072, PROT_READ|PROT_WRITE [pid 5015] ftruncate(5, 33587195 [pid 5007] <... mprotect resumed>) = 0 [pid 5006] <... mmap resumed>) = 0x7f996872e000 [pid 5007] clone(child_stack=0x7f996874e3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5006] mprotect(0x7f996872f000, 131072, PROT_READ|PROT_WRITE [pid 5014] <... clone resumed>, parent_tid=[5027], tls=0x7f996874e700, child_tidptr=0x7f996874e9d0) = 5027 [pid 5014] futex(0x7f9970b497b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5006] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 5028 attached [pid 5015] <... ftruncate resumed>) = 0 [pid 5014] <... futex resumed>) = 0 [pid 5007] <... clone resumed>, parent_tid=[5028], tls=0x7f996874e700, child_tidptr=0x7f996874e9d0) = 5028 [pid 5006] clone(child_stack=0x7f996874e3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5015] futex(0x7f9970b497ac, FUTEX_WAKE_PRIVATE, 1000000 [ 55.954302][ T5016] Remounting filesystem read-only [ 55.956253][ T5011] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16) [ 55.969241][ T5016] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16) [ 55.971875][ T5018] Remounting filesystem read-only [ 55.979879][ T5017] Remounting filesystem read-only [ 55.993165][ T5017] NILFS error (device loop5): nilfs_bmap_lookup_contig: broken bmap (inode number=16) [pid 5014] futex(0x7f9970b497bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5028] set_robust_list(0x7f996874e9e0, 24 [pid 5015] <... futex resumed>) = 1 [pid 5012] <... futex resumed>) = 0 [pid 5010] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5009] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5007] futex(0x7f9970b497b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5028] <... set_robust_list resumed>) = 0 [pid 5015] futex(0x7f9970b497a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5012] futex(0x7f9970b497a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] futex(0x7f9970b497bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5009] futex(0x7f9970b497bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] <... futex resumed>) = 0 [pid 5006] <... clone resumed>, parent_tid=[5029], tls=0x7f996874e700, child_tidptr=0x7f996874e9d0) = 5029 [pid 5028] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5015] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5012] <... futex resumed>) = 0 [pid 5010] <... futex resumed>) = 0 [pid 5009] <... futex resumed>) = 0 [pid 5007] futex(0x7f9970b497bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5006] futex(0x7f9970b497b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5028] <... open resumed>) = -1 EROFS (Read-only file system) [pid 5015] open("./file2", O_RDONLY [pid 5012] futex(0x7f9970b497ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5010] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5009] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5006] <... futex resumed>) = 0 [pid 5028] futex(0x7f9970b497bc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5014] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5010] <... mmap resumed>) = 0x7f996872e000 [pid 5009] <... mmap resumed>) = 0x7f996872e000 [pid 5007] <... futex resumed>) = 0 [pid 5006] futex(0x7f9970b497bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5028] futex(0x7f9970b497b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5014] futex(0x7f9970b497cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] mprotect(0x7f996872f000, 131072, PROT_READ|PROT_WRITE [pid 5009] mprotect(0x7f996872f000, 131072, PROT_READ|PROT_WRITE [pid 5007] futex(0x7f9970b497b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5014] <... futex resumed>) = 0 [pid 5014] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f996870d000 [pid 5014] mprotect(0x7f996870e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5014] clone(child_stack=0x7f996872d3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5030], tls=0x7f996872d700, child_tidptr=0x7f996872d9d0) = 5030 ./strace-static-x86_64: Process 5029 attached ./strace-static-x86_64: Process 5027 attached [ 55.995099][ T5011] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16) [ 56.011336][ T5016] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16) [ 56.027825][ T5015] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=16) [ 56.028004][ T5013] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16) [pid 5014] futex(0x7f9970b497c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5029] set_robust_list(0x7f996874e9e0, 24 [pid 5028] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5027] set_robust_list(0x7f996874e9e0, 24 [pid 5014] <... futex resumed>) = 0 [pid 5010] <... mprotect resumed>) = 0 [pid 5009] <... mprotect resumed>) = 0 [pid 5007] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5030 attached [pid 5029] <... set_robust_list resumed>) = 0 [pid 5028] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5027] <... set_robust_list resumed>) = 0 [pid 5014] futex(0x7f9970b497cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5010] clone(child_stack=0x7f996874e3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5009] clone(child_stack=0x7f996874e3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5007] futex(0x7f9970b497bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5030] set_robust_list(0x7f996872d9e0, 24 [pid 5029] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5027] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5030] <... set_robust_list resumed>) = 0 [pid 5029] <... open resumed>) = -1 EROFS (Read-only file system) [pid 5028] <... open resumed>) = -1 EROFS (Read-only file system) [pid 5027] <... open resumed>) = 7 [pid 5029] futex(0x7f9970b497bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5027] futex(0x7f9970b497bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5029] <... futex resumed>) = 1 [pid 5027] <... futex resumed>) = 0 [pid 5006] <... futex resumed>) = 0 [pid 5029] futex(0x7f9970b497b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5027] futex(0x7f9970b497b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5006] futex(0x7f9970b497b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5029] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5006] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5031 attached [pid 5029] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5006] futex(0x7f9970b497bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5031] set_robust_list(0x7f996874e9e0, 24 [pid 5029] <... open resumed>) = -1 EROFS (Read-only file system) [pid 5031] <... set_robust_list resumed>) = 0 [pid 5029] futex(0x7f9970b497bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5031] futex(0x7f9970b497b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5029] <... futex resumed>) = 1 [pid 5006] <... futex resumed>) = 0 [pid 5029] futex(0x7f9970b497b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5006] futex(0x7f9970b497b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5029] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5006] <... futex resumed>) = 0 [pid 5029] sendfile(-1, -1, NULL, 281474978811909 [pid 5006] futex(0x7f9970b497bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5029] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] futex(0x7f9970b497bc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5010] <... clone resumed>, parent_tid=[5031], tls=0x7f996874e700, child_tidptr=0x7f996874e9d0) = 5031 [pid 5006] <... futex resumed>) = 0 [pid 5009] <... clone resumed>, parent_tid=[5032], tls=0x7f996874e700, child_tidptr=0x7f996874e9d0) = 5032 ./strace-static-x86_64: Process 5032 attached [pid 5030] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5029] futex(0x7f9970b497b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5028] futex(0x7f9970b497bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] futex(0x7f9970b497b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5009] futex(0x7f9970b497b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5006] futex(0x7f9970b497b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5032] set_robust_list(0x7f996874e9e0, 24 [pid 5031] <... futex resumed>) = 0 [pid 5030] <... open resumed>) = -1 EROFS (Read-only file system) [pid 5029] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5028] <... futex resumed>) = 1 [pid 5012] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5010] <... futex resumed>) = 1 [pid 5009] <... futex resumed>) = 0 [pid 5007] <... futex resumed>) = 0 [pid 5006] <... futex resumed>) = 0 [pid 5032] <... set_robust_list resumed>) = 0 [pid 5031] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5029] ftruncate(-1, 32768 [pid 5006] futex(0x7f9970b497bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5031] <... open resumed>) = -1 EROFS (Read-only file system) [pid 5029] <... ftruncate resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] futex(0x7f9970b497bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5029] futex(0x7f9970b497bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5031] <... futex resumed>) = 0 [pid 5029] <... futex resumed>) = 1 [pid 5006] <... futex resumed>) = 0 [pid 5031] futex(0x7f9970b497b8, FUTEX_WAIT_PRIVATE, 0, NULL [ 56.048870][ T5017] NILFS error (device loop5): nilfs_bmap_lookup_contig: broken bmap (inode number=16) [ 56.061296][ T5015] Remounting filesystem read-only [ 56.063994][ T5018] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=16) [ 56.070064][ T5015] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=16) [ 56.090245][ T5016] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16) [pid 5029] futex(0x7f9970b497b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5032] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5030] futex(0x7f9970b497cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5028] futex(0x7f9970b497b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5012] futex(0x7f9970b497bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] futex(0x7f9970b497bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5009] futex(0x7f9970b497bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}