./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 <unfinished ...>
[pid  5000] set_robust_list(0x555555b835e0, 24) = 0
./strace-static-x86_64: Process 5001 attached
[pid  5000] getpid( <unfinished ...>
[pid  5001] set_robust_list(0x555555b835e0, 24 <unfinished ...>
[pid  5000] <... getpid resumed>)       = 5000
[pid  5001] <... set_robust_list resumed>) = 0
[pid  5000] mkdir("./syzkaller.e5ikAf", 0700 <unfinished ...>
[pid  5001] getpid( <unfinished ...>
[pid  4999] <... clone resumed>, child_tidptr=0x555555b835d0) = 5001
[pid  4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5001] <... getpid resumed>)       = 5001
[pid  5000] <... mkdir resumed>)        = 0
./strace-static-x86_64: Process 5002 attached
[pid  5000] chmod("./syzkaller.e5ikAf", 0777 <unfinished ...>
[pid  5001] mkdir("./syzkaller.rF6J7l", 0700 <unfinished ...>
[pid  4999] <... clone resumed>, child_tidptr=0x555555b835d0) = 5002
[pid  4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5000] <... chmod resumed>)        = 0
[pid  5001] <... mkdir resumed>)        = 0
[pid  5000] chdir("./syzkaller.e5ikAf" <unfinished ...>
[pid  4999] <... clone resumed>, child_tidptr=0x555555b835d0) = 5003
[pid  5000] <... chdir resumed>)        = 0
[pid  5000] mkdir("./0", 0777 <unfinished ...>
[pid  5001] chmod("./syzkaller.rF6J7l", 0777 <unfinished ...>
[pid  4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5000] <... mkdir resumed>)        = 0
[pid  5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5002] set_robust_list(0x555555b835e0, 24 <unfinished ...>
[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 <unfinished ...>
[pid  5001] chdir("./syzkaller.rF6J7l" <unfinished ...>
[pid  4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5000] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5001] <... chdir resumed>)        = 0
[pid  5001] mkdir("./0", 0777 <unfinished ...>
[pid  5000] close(3./strace-static-x86_64: Process 5005 attached
 <unfinished ...>
[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 <unfinished ...>
[pid  5004] mkdir("./syzkaller.P3UWqy", 0700 <unfinished ...>
[pid  5003] set_robust_list(0x555555b835e0, 24 <unfinished ...>
[pid  5002] <... set_robust_list resumed>) = 0
[pid  5001] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5000] <... close resumed>)        = 0
[pid  5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5001] <... openat resumed>)       = 3
[pid  5001] ioctl(3, LOOP_CLR_FD <unfinished ...>
[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 <unfinished ...>
[pid  5004] <... mkdir resumed>)        = 0
[pid  5004] chmod("./syzkaller.P3UWqy", 0777 <unfinished ...>
[pid  5001] <... clone resumed>, child_tidptr=0x555555b835d0) = 5007
[pid  5004] <... chmod resumed>)        = 0
[pid  5004] chdir("./syzkaller.P3UWqy" <unfinished ...>
[pid  5005] getpid( <unfinished ...>
[pid  5004] <... chdir resumed>)        = 0
[pid  5004] mkdir("./0", 0777 <unfinished ...>
[pid  5003] <... set_robust_list resumed>) = 0
[pid  5002] getpid(./strace-static-x86_64: Process 5006 attached
 <unfinished ...>
[pid  5003] getpid( <unfinished ...>
[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 <unfinished ...>
[pid  5003] mkdir("./syzkaller.qjN13u", 0700 <unfinished ...>
[pid  5002] mkdir("./syzkaller.QRzgDq", 0700 <unfinished ...>
[pid  5006] chdir("./0" <unfinished ...>
[pid  5002] <... mkdir resumed>)        = 0
[pid  5006] <... chdir resumed>)        = 0
[pid  5006] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[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 <unfinished ...>
[pid  5004] <... mkdir resumed>)        = 0
[pid  5007] set_robust_list(0x555555b835e0, 24 <unfinished ...>
[pid  5005] chmod("./syzkaller.HFc2pG", 0777 <unfinished ...>
[pid  5004] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5005] <... chmod resumed>)        = 0
[pid  5004] <... openat resumed>)       = 3
[pid  5006] <... openat resumed>)       = 3
[pid  5005] chdir("./syzkaller.HFc2pG" <unfinished ...>
[pid  5007] <... set_robust_list resumed>) = 0
[pid  5005] <... chdir resumed>)        = 0
[pid  5002] chmod("./syzkaller.QRzgDq", 0777 <unfinished ...>
[pid  5007] chdir("./0" <unfinished ...>
[pid  5005] mkdir("./0", 0777 <unfinished ...>
[pid  5002] <... chmod resumed>)        = 0
[pid  5005] <... mkdir resumed>)        = 0
[pid  5003] <... mkdir resumed>)        = 0
[pid  5002] chdir("./syzkaller.QRzgDq" <unfinished ...>
[pid  5004] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5007] <... chdir resumed>)        = 0
[pid  5002] <... chdir resumed>)        = 0
[pid  5003] chmod("./syzkaller.qjN13u", 0777 <unfinished ...>
[pid  5005] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid  5004] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5002] mkdir("./0", 0777 <unfinished ...>
[pid  5006] write(3, "1000", 4 <unfinished ...>
[pid  5003] <... chmod resumed>)        = 0
[pid  5007] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5006] <... write resumed>)        = 4
[pid  5007] <... prctl resumed>)        = 0
[pid  5006] close(3 <unfinished ...>
[pid  5007] setpgid(0, 0 <unfinished ...>
[pid  5006] <... close resumed>)        = 0
[pid  5004] close(3 <unfinished ...>
[pid  5007] <... setpgid resumed>)      = 0
[pid  5006] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5004] <... close resumed>)        = 0
[pid  5002] <... mkdir resumed>)        = 0
[pid  5007] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5006] <... symlink resumed>)      = 0
[pid  5005] <... openat resumed>)       = 3
[pid  5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5003] chdir("./syzkaller.qjN13u" <unfinished ...>
[pid  5002] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5005] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5003] <... chdir resumed>)        = 0
[pid  5007] <... openat resumed>)       = 3
[pid  5006] futex(0x7f9970b497ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5005] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5003] mkdir("./0", 0777 <unfinished ...>
[pid  5002] <... openat resumed>)       = 3
[pid  5007] write(3, "1000", 4 <unfinished ...>
[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 <unfinished ...>
[pid  5007] close(3 <unfinished ...>
[pid  5006] <... mmap resumed>)         = 0x7f9970a4f000
[pid  5003] <... mkdir resumed>)        = 0
[pid  5005] close(3 <unfinished ...>
[pid  5002] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5005] <... close resumed>)        = 0
[pid  5007] <... close resumed>)        = 0
[pid  5006] mprotect(0x7f9970a50000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[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 <unfinished ...>
[pid  5003] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  5007] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5006] <... mprotect resumed>)     = 0
[pid  5007] <... symlink resumed>)      = 0
[pid  5002] close(3 <unfinished ...>
[pid  5007] futex(0x7f9970b497ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[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 <unfinished ...>
[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 <unfinished ...>
[pid  5007] <... futex resumed>)        = 0
[pid  5007] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[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 <unfinished ...>
[pid  5003] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5007] mprotect(0x7f9970a50000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[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} <unfinished ...>
[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 <unfinished ...>
[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 <unfinished ...>
[pid  5003] close(3./strace-static-x86_64: Process 5013 attached
 <unfinished ...>
[pid  5012] set_robust_list(0x555555b835e0, 24 <unfinished ...>
[pid  5010] <... set_robust_list resumed>) = 0
[pid  5009] set_robust_list(0x555555b835e0, 24 <unfinished ...>
[pid  5003] <... close resumed>)        = 0
./strace-static-x86_64: Process 5011 attached
[pid  5013] set_robust_list(0x7f9970a6f9e0, 24 <unfinished ...>
[pid  5012] <... set_robust_list resumed>) = 0
[pid  5010] chdir("./0" <unfinished ...>
[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 <unfinished ...>
[pid  5010] <... chdir resumed>)        = 0
[pid  5007] futex(0x7f9970b497a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5011] <... set_robust_list resumed>) = 0
[pid  5010] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5007] <... futex resumed>)        = 0
[pid  5011] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5010] <... prctl resumed>)        = 0
[pid  5007] futex(0x7f9970b497ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  5013] <... set_robust_list resumed>) = 0
[pid  5012] chdir("./0" <unfinished ...>
[pid  5010] setpgid(0, 0 <unfinished ...>
[pid  5009] chdir("./0" <unfinished ...>
[pid  5013] memfd_create("syzkaller", 0 <unfinished ...>
[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 <unfinished ...>
[pid  5009] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5013] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[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 <unfinished ...>
[pid  5010] <... setpgid resumed>)      = 0
[pid  5009] setpgid(0, 0 <unfinished ...>
[pid  5014] set_robust_list(0x555555b835e0, 24 <unfinished ...>
[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 <unfinished ...>
[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 <unfinished ...>
[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 <unfinished ...>
[pid  5011] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5010] <... openat resumed>)       = 3
[pid  5009] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5014] chdir("./0" <unfinished ...>
[pid  5012] <... openat resumed>)       = 3
[pid  5011] <... mmap resumed>)         = 0x7f996864f000
[pid  5010] write(3, "1000", 4 <unfinished ...>
[pid  5009] <... openat resumed>)       = 3
[pid  5014] <... chdir resumed>)        = 0
[pid  5012] write(3, "1000", 4 <unfinished ...>
[pid  5009] write(3, "1000", 4 <unfinished ...>
[pid  5012] <... write resumed>)        = 4
[pid  5009] <... write resumed>)        = 4
[pid  5012] close(3 <unfinished ...>
[pid  5009] close(3 <unfinished ...>
[pid  5012] <... close resumed>)        = 0
[pid  5009] <... close resumed>)        = 0
[pid  5014] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5012] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5010] <... write resumed>)        = 4
[pid  5009] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5014] <... prctl resumed>)        = 0
[pid  5012] <... symlink resumed>)      = 0
[pid  5010] close(3 <unfinished ...>
[pid  5009] <... symlink resumed>)      = 0
[pid  5014] setpgid(0, 0 <unfinished ...>
[pid  5012] futex(0x7f9970b497ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5010] <... close resumed>)        = 0
[pid  5009] futex(0x7f9970b497ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[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 <unfinished ...>
[pid  5010] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5009] <... futex resumed>)        = 0
[pid  5014] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5013] <... write resumed>)        = 1048576
[pid  5012] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  5010] <... symlink resumed>)      = 0
[pid  5009] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  5014] <... openat resumed>)       = 3
[pid  5012] <... mmap resumed>)         = 0x7f9970a4f000
[pid  5010] futex(0x7f9970b497ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5009] <... mmap resumed>)         = 0x7f9970a4f000
[pid  5014] write(3, "1000", 4 <unfinished ...>
[pid  5012] mprotect(0x7f9970a50000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  5010] <... futex resumed>)        = 0
[pid  5009] mprotect(0x7f9970a50000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[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 <unfinished ...>
[pid  5009] <... mprotect resumed>)     = 0
[pid  5014] close(3 <unfinished ...>
[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 <unfinished ...>
[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 <unfinished ...>
[pid  5014] <... close resumed>)        = 0
[pid  5010] mprotect(0x7f9970a50000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  5014] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[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 <unfinished ...>
[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 <unfinished ...>
[pid  5009] futex(0x7f9970b497a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5014] futex(0x7f9970b497ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[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} <unfinished ...>
[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
 <unfinished ...>
[pid  5014] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  5011] munmap(0x7f996864f000, 1048576 <unfinished ...>
[pid  5010] futex(0x7f9970b497a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5015] set_robust_list(0x7f9970a6f9e0, 24 <unfinished ...>
[pid  5014] <... mmap resumed>)         = 0x7f9970a4f000
[pid  5010] <... futex resumed>)        = 0
[pid  5016] set_robust_list(0x7f9970a6f9e0, 24 <unfinished ...>
[pid  5015] <... set_robust_list resumed>) = 0
[pid  5014] mprotect(0x7f9970a50000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[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
 <unfinished ...>
[pid  5016] <... set_robust_list resumed>) = 0
[pid  5015] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5014] <... mprotect resumed>)     = 0
[pid  5011] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5016] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5017] set_robust_list(0x7f9970a6f9e0, 24 <unfinished ...>
[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 <unfinished ...>
[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 <unfinished ...>
[pid  5013] munmap(0x7f996864f000, 1048576 <unfinished ...>
[pid  5017] <... set_robust_list resumed>) = 0
[pid  5016] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[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 <unfinished ...>
[pid  5017] memfd_create("syzkaller", 0 <unfinished ...>
[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 <unfinished ...>
[pid  5014] futex(0x7f9970b497a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5013] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4
[pid  5013] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[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 <unfinished ...>
[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 <unfinished ...>
[pid  5014] futex(0x7f9970b497ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  5018] set_robust_list(0x7f9970a6f9e0, 24 <unfinished ...>
[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 <unfinished ...>
[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 <unfinished ...>
[pid  5013] <... ioctl resumed>)        = 0
[pid  5011] <... mkdir resumed>)        = 0
[pid  5013] close(3)                    = 0
[pid  5013] mkdir("./file2", 0777 <unfinished ...>
[pid  5011] mount("/dev/loop0", "./file2", "nilfs2", MS_I_VERSION, "" <unfinished ...>
[pid  5013] <... mkdir resumed>)        = 0
[pid  5013] mount("/dev/loop1", "./file2", "nilfs2", MS_I_VERSION, "" <unfinished ...>
[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 <unfinished ...>
[   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 <unfinished ...>
[pid  5016] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4
[pid  5017] <... munmap resumed>)       = 0
[pid  5016] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5015] munmap(0x7f996864f000, 1048576) = 0
[pid  5017] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid  5015] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5017] <... openat resumed>)       = 4
[pid  5015] <... openat resumed>)       = 4
[pid  5015] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5017] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[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 <unfinished ...>
[pid  5011] <... mount resumed>)        = 0
[pid  5018] <... write resumed>)        = 1048576
[pid  5017] close(3 <unfinished ...>
[pid  5016] <... close resumed>)        = 0
[pid  5011] openat(AT_FDCWD, "./file2", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid  5017] <... close resumed>)        = 0
[pid  5017] mkdir("./file2", 0777 <unfinished ...>
[pid  5016] mkdir("./file2", 0777 <unfinished ...>
[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 <unfinished ...>
[pid  5016] <... mkdir resumed>)        = 0
[pid  5013] <... openat resumed>)       = 3
[pid  5018] munmap(0x7f996864f000, 1048576 <unfinished ...>
[pid  5017] mount("/dev/loop5", "./file2", "nilfs2", MS_I_VERSION, "" <unfinished ...>
[pid  5011] chdir("./file2" <unfinished ...>
[pid  5018] <... munmap resumed>)       = 0
[pid  5016] mount("/dev/loop4", "./file2", "nilfs2", MS_I_VERSION, "" <unfinished ...>
[pid  5013] chdir("./file2" <unfinished ...>
[pid  5011] <... chdir resumed>)        = 0
[pid  5018] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  5013] <... chdir resumed>)        = 0
[pid  5011] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid  5018] <... openat resumed>)       = 4
[pid  5013] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid  5011] <... ioctl resumed>)        = 0
[pid  5018] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5013] <... ioctl resumed>)        = 0
[pid  5013] close(4 <unfinished ...>
[pid  5011] close(4 <unfinished ...>
[pid  5013] <... close resumed>)        = 0
[pid  5013] futex(0x7f9970b497ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5013] futex(0x7f9970b497a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[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, "" <unfinished ...>
[pid  5011] <... close resumed>)        = 0
[pid  5007] <... futex resumed>)        = 0
[pid  5011] futex(0x7f9970b497ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5007] futex(0x7f9970b497a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[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 <unfinished ...>
[pid  5011] futex(0x7f9970b497a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5007] futex(0x7f9970b497ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5006] futex(0x7f9970b497a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[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 <unfinished ...>
[pid  5013] futex(0x7f9970b497ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5011] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 <unfinished ...>
[pid  5006] futex(0x7f9970b497ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5015] <... close resumed>)        = 0
[pid  5013] <... futex resumed>)        = 1
[pid  5013] futex(0x7f9970b497a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5011] <... open resumed>)         = 4
[pid  5007] <... futex resumed>)        = 0
[pid  5015] mkdir("./file2", 0777 <unfinished ...>
[pid  5011] futex(0x7f9970b497ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5007] futex(0x7f9970b497a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[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 <unfinished ...>
[pid  5011] <... futex resumed>)        = 1
[pid  5007] futex(0x7f9970b497ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5006] <... futex resumed>)        = 0
[pid  5017] openat(AT_FDCWD, "./file2", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid  5016] openat(AT_FDCWD, "./file2", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid  5015] mount("/dev/loop2", "./file2", "nilfs2", MS_I_VERSION, "" <unfinished ...>
[pid  5013] <... open resumed>)         = 5
[pid  5011] futex(0x7f9970b497a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5006] futex(0x7f9970b497a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5017] <... openat resumed>)       = 3
[pid  5013] futex(0x7f9970b497ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5017] chdir("./file2" <unfinished ...>
[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" <unfinished ...>
[pid  5013] futex(0x7f9970b497a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5011] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 <unfinished ...>
[pid  5007] futex(0x7f9970b497a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5006] futex(0x7f9970b497ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5017] <... chdir resumed>)        = 0
[pid  5017] ioctl(4, LOOP_CLR_FD <unfinished ...>
[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 <unfinished ...>
[pid  5013] ftruncate(5, 33587195 <unfinished ...>
[pid  5011] futex(0x7f9970b497ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5007] futex(0x7f9970b497ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5017] close(4 <unfinished ...>
[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 <unfinished ...>
[pid  5013] futex(0x7f9970b497ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5011] futex(0x7f9970b497a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5006] futex(0x7f9970b497a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5017] futex(0x7f9970b497ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[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 <unfinished ...>
[pid  5013] futex(0x7f9970b497a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5011] ftruncate(5, 33587195 <unfinished ...>
[pid  5010] <... futex resumed>)        = 0
[pid  5007] futex(0x7f9970b497a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5006] futex(0x7f9970b497ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5017] futex(0x7f9970b497a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[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 <unfinished ...>
[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 <unfinished ...>
[pid  5015] openat(AT_FDCWD, "./file2", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid  5013] open("./file2", O_RDONLY <unfinished ...>
[pid  5018] <... mount resumed>)        = 0
[pid  5017] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 <unfinished ...>
[pid  5016] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5015] <... openat resumed>)       = 3
[pid  5011] futex(0x7f9970b497ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5010] <... futex resumed>)        = 0
[pid  5009] futex(0x7f9970b497a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5007] futex(0x7f9970b497ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5018] openat(AT_FDCWD, "./file2", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid  5016] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 <unfinished ...>
[pid  5015] chdir("./file2" <unfinished ...>
[pid  5011] <... futex resumed>)        = 1
[pid  5010] futex(0x7f9970b497ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[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 <unfinished ...>
[pid  5009] futex(0x7f9970b497ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5006] futex(0x7f9970b497a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5018] chdir("./file2" <unfinished ...>
[pid  5017] futex(0x7f9970b497ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5016] <... open resumed>)         = 4
[pid  5015] ioctl(4, LOOP_CLR_FD <unfinished ...>
[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 <unfinished ...>
[pid  5015] <... ioctl resumed>)        = 0
[pid  5011] open("./file2", O_RDONLY <unfinished ...>
[pid  5010] <... futex resumed>)        = 0
[pid  5006] futex(0x7f9970b497ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5018] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid  5017] futex(0x7f9970b497a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5016] <... futex resumed>)        = 1
[pid  5015] close(4 <unfinished ...>
[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 <unfinished ...>
[pid  5017] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5016] futex(0x7f9970b497a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5015] <... close resumed>)        = 0
[pid  5014] <... futex resumed>)        = 0
[pid  5010] futex(0x7f9970b497a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5009] futex(0x7f9970b497a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5017] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 <unfinished ...>
[pid  5016] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5015] futex(0x7f9970b497ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5014] futex(0x7f9970b497a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[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 <unfinished ...>
[pid  5015] <... futex resumed>)        = 1
[pid  5014] <... futex resumed>)        = 1
[pid  5010] futex(0x7f9970b497ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5009] futex(0x7f9970b497ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5016] <... open resumed>)         = 5
[pid  5015] futex(0x7f9970b497a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5014] futex(0x7f9970b497ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5017] futex(0x7f9970b497ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5016] futex(0x7f9970b497ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[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 <unfinished ...>
[pid  5017] futex(0x7f9970b497a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5016] futex(0x7f9970b497a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5012] futex(0x7f9970b497a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5010] futex(0x7f9970b497a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5009] futex(0x7f9970b497a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[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 <unfinished ...>
[pid  5017] ftruncate(5, 33587195 <unfinished ...>
[pid  5016] ftruncate(5, 33587195 <unfinished ...>
[pid  5015] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 <unfinished ...>
[pid  5012] futex(0x7f9970b497ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5010] futex(0x7f9970b497ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5009] futex(0x7f9970b497ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[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 <unfinished ...>
[pid  5014] futex(0x7f9970b497a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5018] <... futex resumed>)        = 0
[pid  5017] futex(0x7f9970b497ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5016] futex(0x7f9970b497ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5014] <... futex resumed>)        = 1
[pid  5018] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 <unfinished ...>
[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} <unfinished ...>
[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 <unfinished ...>
[pid  5014] futex(0x7f9970b497a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5018] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5014] <... futex resumed>)        = 0
[pid  5018] ftruncate(5, 33587195 <unfinished ...>
[pid  5014] futex(0x7f9970b497ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5018] <... ftruncate resumed>)    = 0
[pid  5018] futex(0x7f9970b497ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5017] futex(0x7f9970b497a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5016] open("./file2", O_RDONLY <unfinished ...>
[pid  5015] futex(0x7f9970b497ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5014] <... futex resumed>)        = 0
[pid  5010] futex(0x7f9970b497a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5009] futex(0x7f9970b497a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5018] futex(0x7f9970b497a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5017] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5014] futex(0x7f9970b497a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5018] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5014] <... futex resumed>)        = 0
[pid  5018] open("./file2", O_RDONLY <unfinished ...>
[pid  5014] futex(0x7f9970b497ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5017] open("./file2", O_RDONLY <unfinished ...>
[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} <unfinished ...>
[pid  5015] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 <unfinished ...>
[pid  5010] futex(0x7f9970b497ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5009] futex(0x7f9970b497ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5007] futex(0x7f9970b497bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[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 <unfinished ...>
[pid  5015] futex(0x7f9970b497ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5007] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[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 <unfinished ...>
[pid  5014] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid  5012] <... futex resumed>)        = 0
[pid  5014] futex(0x7f9970b497bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5012] futex(0x7f9970b497a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[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 <unfinished ...>
[pid  5012] futex(0x7f9970b497ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[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 <unfinished ...>
[pid  5007] mprotect(0x7f996872f000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  5015] ftruncate(5, 33587195 <unfinished ...>
[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 <unfinished ...>
[pid  5006] mprotect(0x7f996872f000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  5014] <... clone resumed>, parent_tid=[5027], tls=0x7f996874e700, child_tidptr=0x7f996874e9d0) = 5027
[pid  5014] futex(0x7f9970b497b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[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 <unfinished ...>
[pid  5015] futex(0x7f9970b497ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[   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} <unfinished ...>
[pid  5028] set_robust_list(0x7f996874e9e0, 24 <unfinished ...>
[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 <unfinished ...>
[pid  5028] <... set_robust_list resumed>) = 0
[pid  5015] futex(0x7f9970b497a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5012] futex(0x7f9970b497a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5010] futex(0x7f9970b497bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5009] futex(0x7f9970b497bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[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 <unfinished ...>
[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} <unfinished ...>
[pid  5006] futex(0x7f9970b497b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5028] <... open resumed>)         = -1 EROFS (Read-only file system)
[pid  5015] open("./file2", O_RDONLY <unfinished ...>
[pid  5012] futex(0x7f9970b497ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5010] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  5009] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[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} <unfinished ...>
[pid  5028] futex(0x7f9970b497b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5014] futex(0x7f9970b497cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5010] mprotect(0x7f996872f000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  5009] mprotect(0x7f996872f000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  5007] futex(0x7f9970b497b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[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 <unfinished ...>
[pid  5029] set_robust_list(0x7f996874e9e0, 24 <unfinished ...>
[pid  5028] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5027] set_robust_list(0x7f996874e9e0, 24 <unfinished ...>
[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 <unfinished ...>
[pid  5027] <... set_robust_list resumed>) = 0
[pid  5014] futex(0x7f9970b497cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[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 <unfinished ...>
[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 <unfinished ...>
[pid  5007] futex(0x7f9970b497bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5030] set_robust_list(0x7f996872d9e0, 24 <unfinished ...>
[pid  5029] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 <unfinished ...>
[pid  5027] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 <unfinished ...>
[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 <unfinished ...>
[pid  5027] futex(0x7f9970b497bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5029] <... futex resumed>)        = 1
[pid  5027] <... futex resumed>)        = 0
[pid  5006] <... futex resumed>)        = 0
[pid  5029] futex(0x7f9970b497b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5027] futex(0x7f9970b497b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5006] futex(0x7f9970b497b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[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 <unfinished ...>
[pid  5006] futex(0x7f9970b497bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5031] set_robust_list(0x7f996874e9e0, 24 <unfinished ...>
[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 <unfinished ...>
[pid  5031] futex(0x7f9970b497b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5029] <... futex resumed>)        = 1
[pid  5006] <... futex resumed>)        = 0
[pid  5029] futex(0x7f9970b497b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5006] futex(0x7f9970b497b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5029] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5006] <... futex resumed>)        = 0
[pid  5029] sendfile(-1, -1, NULL, 281474978811909 <unfinished ...>
[pid  5006] futex(0x7f9970b497bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[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 <unfinished ...>
[pid  5029] futex(0x7f9970b497b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5028] futex(0x7f9970b497bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5010] futex(0x7f9970b497b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5009] futex(0x7f9970b497b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5006] futex(0x7f9970b497b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5032] set_robust_list(0x7f996874e9e0, 24 <unfinished ...>
[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 <unfinished ...>
[pid  5029] ftruncate(-1, 32768 <unfinished ...>
[pid  5006] futex(0x7f9970b497bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[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 <unfinished ...>
[pid  5029] futex(0x7f9970b497bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5031] <... futex resumed>)        = 0
[pid  5029] <... futex resumed>)        = 1
[pid  5006] <... futex resumed>)        = 0
[pid  5031] futex(0x7f9970b497b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[   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 <unfinished ...>
[pid  5032] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 <unfinished ...>
[pid  5030] futex(0x7f9970b497cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5028] futex(0x7f9970b497b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5012] futex(0x7f9970b497bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5010] futex(0x7f9970b497bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5009] futex(0x7f9970b497bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5007] futex(0x7f9970b497b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5030] <... futex resumed>)        = 1
[pid  5014] <... futex resumed>)        = 0
[pid  5030] futex(0x7f9970b497c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5014] futex(0x7f9970b497b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5027] <... futex resumed>)        = 0
[pid  5014] <... futex resumed>)        = 1
[pid  5027] sendfile(7, -1, NULL, 281474978811909 <unfinished ...>
[pid  5014] futex(0x7f9970b497bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5027] <... sendfile resumed>)     = -1 EBADF (Bad file descriptor)
[pid  5027] futex(0x7f9970b497bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5014] <... futex resumed>)        = 0
[pid  5027] futex(0x7f9970b497b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5014] futex(0x7f9970b497b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5027] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5014] <... futex resumed>)        = 0
[pid  5027] ftruncate(7, 32768 <unfinished ...>
[pid  5014] futex(0x7f9970b497bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5032] <... open resumed>)         = -1 EROFS (Read-only file system)
[pid  5028] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5027] <... ftruncate resumed>)    = 0
[pid  5012] <... futex resumed>)        = 0
[pid  5032] futex(0x7f9970b497bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5028] sendfile(-1, -1, NULL, 281474978811909 <unfinished ...>
[pid  5027] futex(0x7f9970b497bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5012] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  5010] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5007] <... futex resumed>)        = 0
[pid  5032] <... futex resumed>)        = 1
[pid  5028] <... sendfile resumed>)     = -1 EBADF (Bad file descriptor)
[pid  5027] <... futex resumed>)        = 1
[pid  5014] <... futex resumed>)        = 0
[pid  5012] <... mmap resumed>)         = 0x7f996872e000
[pid  5010] futex(0x7f9970b497b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5009] <... futex resumed>)        = 0
[pid  5007] futex(0x7f9970b497bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5027] futex(0x7f9970b497b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5032] futex(0x7f9970b497b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5028] futex(0x7f9970b497bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5012] mprotect(0x7f996872f000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  5010] <... futex resumed>)        = 1
[pid  5009] futex(0x7f9970b497b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5007] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5031] <... futex resumed>)        = 0
[pid  5012] <... mprotect resumed>)     = 0
[pid  5031] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 <unfinished ...>
[pid  5012] 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 <unfinished ...>
[pid  5031] <... open resumed>)         = -1 EROFS (Read-only file system)
[pid  5031] futex(0x7f9970b497bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5012] <... clone resumed>, parent_tid=[5033], tls=0x7f996874e700, child_tidptr=0x7f996874e9d0) = 5033
[   56.096310][ T5011] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   56.109671][ T5017] NILFS error (device loop5): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   56.122264][ T5018] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   56.125453][ T5016] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   56.134903][ T5013] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[pid  5031] <... futex resumed>)        = 0
[pid  5012] futex(0x7f9970b497b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5031] futex(0x7f9970b497b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5012] <... futex resumed>)        = 0
[pid  5012] futex(0x7f9970b497bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5032] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5028] <... futex resumed>)        = 0
[pid  5010] futex(0x7f9970b497bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5009] <... futex resumed>)        = 0
[pid  5007] futex(0x7f9970b497b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5032] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 <unfinished ...>
[pid  5028] ftruncate(-1, 32768 <unfinished ...>
[pid  5010] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5009] futex(0x7f9970b497bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5007] <... futex resumed>)        = 0
./strace-static-x86_64: Process 5033 attached
[pid  5033] set_robust_list(0x7f996874e9e0, 24) = 0
[pid  5033] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000) = -1 EROFS (Read-only file system)
[pid  5033] futex(0x7f9970b497bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5012] <... futex resumed>)        = 0
[pid  5012] futex(0x7f9970b497b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5012] futex(0x7f9970b497bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5033] <... futex resumed>)        = 1
[pid  5033] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 <unfinished ...>
[pid  5032] <... open resumed>)         = -1 EROFS (Read-only file system)
[pid  5028] <... ftruncate resumed>)    = -1 EBADF (Bad file descriptor)
[pid  5010] futex(0x7f9970b497b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5007] futex(0x7f9970b497bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5033] <... open resumed>)         = -1 EROFS (Read-only file system)
[pid  5033] futex(0x7f9970b497bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5012] <... futex resumed>)        = 0
[pid  5033] futex(0x7f9970b497b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[   56.142448][ T5017] NILFS error (device loop5): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   56.158094][ T5015] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   56.162198][ T5011] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   56.173175][ T5018] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   56.190230][ T5016] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[pid  5012] futex(0x7f9970b497b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5033] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5012] <... futex resumed>)        = 0
[pid  5033] sendfile(-1, -1, NULL, 281474978811909 <unfinished ...>
[pid  5012] futex(0x7f9970b497bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5033] <... sendfile resumed>)     = -1 EBADF (Bad file descriptor)
[pid  5033] futex(0x7f9970b497bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5012] <... futex resumed>)        = 0
[pid  5033] futex(0x7f9970b497b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5012] futex(0x7f9970b497b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5033] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5012] <... futex resumed>)        = 0
[pid  5033] ftruncate(-1, 32768 <unfinished ...>
[pid  5012] futex(0x7f9970b497bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5033] <... ftruncate resumed>)    = -1 EBADF (Bad file descriptor)
[pid  5032] futex(0x7f9970b497bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5031] <... futex resumed>)        = 0
[pid  5028] futex(0x7f9970b497bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5010] <... futex resumed>)        = 1
[pid  5007] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5033] futex(0x7f9970b497bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5031] sendfile(-1, -1, NULL, 281474978811909 <unfinished ...>
[pid  5033] <... futex resumed>)        = 1
[pid  5031] <... sendfile resumed>)     = -1 EBADF (Bad file descriptor)
[pid  5012] <... futex resumed>)        = 0
[pid  5033] futex(0x7f9970b497b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5031] futex(0x7f9970b497bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5031] futex(0x7f9970b497b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5032] <... futex resumed>)        = 1
[pid  5028] <... futex resumed>)        = 0
[pid  5010] futex(0x7f9970b497bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5009] <... futex resumed>)        = 0
[pid  5032] futex(0x7f9970b497b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5028] futex(0x7f9970b497b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5010] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[   56.201415][ T5017] NILFS error (device loop5): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   56.211895][ T5016] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   56.216652][ T5013] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   56.222733][ T5017] NILFS error (device loop5): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   56.233476][ T5015] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[pid  5009] futex(0x7f9970b497b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5032] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5010] futex(0x7f9970b497b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5009] <... futex resumed>)        = 0
[pid  5032] sendfile(-1, -1, NULL, 281474978811909 <unfinished ...>
[pid  5010] <... futex resumed>)        = 1
[pid  5009] futex(0x7f9970b497bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5031] <... futex resumed>)        = 0
[pid  5031] ftruncate(-1, 32768)        = -1 EBADF (Bad file descriptor)
[pid  5031] futex(0x7f9970b497bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[   56.241126][ T5011] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   56.252388][ T5013] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   56.260322][ T5016] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   56.271802][ T5018] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   56.280227][ T5017] NILFS error (device loop5): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[pid  5031] futex(0x7f9970b497b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5032] <... sendfile resumed>)     = -1 EBADF (Bad file descriptor)
[pid  5010] futex(0x7f9970b497bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5032] futex(0x7f9970b497bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5010] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5032] <... futex resumed>)        = 1
[pid  5009] <... futex resumed>)        = 0
[   56.294099][ T5015] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   56.299254][ T5011] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   56.310368][ T5013] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   56.327603][ T5016] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   56.329759][ T5018] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[pid  5032] futex(0x7f9970b497b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5009] futex(0x7f9970b497b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5009] futex(0x7f9970b497bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5032] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[   56.347030][ T5016] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   56.349099][ T5015] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   56.357002][ T5017] NILFS error (device loop5): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   56.369392][ T5013] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   56.376510][ T5011] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   56.388010][ T5018] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[pid  5032] ftruncate(-1, 32768)        = -1 EBADF (Bad file descriptor)
[pid  5032] futex(0x7f9970b497bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5009] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[   56.395777][ T5016] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   56.406719][ T5015] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   56.414737][ T5017] NILFS error (device loop5): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   56.425744][ T5013] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   56.434012][ T5011] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[pid  5032] <... futex resumed>)        = 0
[   56.445145][ T5018] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   56.453198][ T5016] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   56.464298][ T5015] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   56.481859][ T5017] NILFS error (device loop5): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   56.483639][ T5013] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   56.501255][ T5011] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   56.502668][ T5018] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   56.511057][ T5011] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   56.522118][ T5013] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   56.530355][ T5016] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   56.541151][ T5015] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   56.549546][ T5017] NILFS error (device loop5): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   56.560455][ T5018] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   56.568845][ T5011] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   56.579840][ T5013] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   56.587938][ T5016] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   56.598786][ T5015] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   56.607227][ T5017] NILFS error (device loop5): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   56.618081][ T5018] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   56.636312][ T5011] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   56.637837][ T5013] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   56.655646][ T5016] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   56.657182][ T5015] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   56.675052][ T5017] NILFS error (device loop5): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   56.676615][ T5018] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   56.694531][ T5016] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   56.696041][ T5013] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   56.704551][ T5017] NILFS error (device loop5): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   56.715621][ T5011] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   56.734148][   T27] audit: type=1800 audit(1686455692.624:2): pid=5016 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed comm="syz-executor116" name="file2" dev="loop4" ino=16 res=0 errno=0
[pid  5032] futex(0x7f9970b497b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5016] <... open resumed>)         = 6
[pid  5016] futex(0x7f9970b497ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5009] exit_group(0 <unfinished ...>
[pid  5016] <... futex resumed>)        = ? <unavailable>
[pid  5009] <... exit_group resumed>)   = ?
[pid  5032] <... futex resumed>)        = ?
[pid  5032] +++ exited with 0 +++
[pid  5016] +++ exited with 0 +++
[pid  5009] +++ exited with 0 +++
[   56.735101][ T5015] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   56.765927][ T5018] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   56.766918][ T5016] syz-executor116 (5016) used greatest stack depth: 18368 bytes left
[   56.777419][ T5013] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   56.785187][ T5017] NILFS error (device loop5): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[pid  5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5009, si_uid=0, si_status=0, si_utime=0, si_stime=27 /* 0.27 s */} ---
[pid  5017] <... open resumed>)         = 6
[   56.794962][ T5011] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   56.803640][   T27] audit: type=1800 audit(1686455692.694:3): pid=5017 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed comm="syz-executor116" name="file2" dev="loop5" ino=16 res=0 errno=0
[   56.814605][ T5018] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   56.832270][ T5015] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[pid  5017] futex(0x7f9970b497ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5010] exit_group(0 <unfinished ...>
[pid  5031] <... futex resumed>)        = ?
[pid  5010] <... exit_group resumed>)   = ?
[pid  5031] +++ exited with 0 +++
[pid  5017] <... futex resumed>)        = ?
[pid  5004] umount2("./0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5011] <... open resumed>)         = 6
[pid  5011] futex(0x7f9970b497ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5011] futex(0x7f9970b497a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5017] +++ exited with 0 +++
[pid  5010] +++ exited with 0 +++
[pid  5004] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5010, si_uid=0, si_status=0, si_utime=0, si_stime=26 /* 0.26 s */} ---
[pid  5004] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5018] <... open resumed>)         = 6
[pid  5018] futex(0x7f9970b497ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5014] exit_group(0 <unfinished ...>
[pid  5030] <... futex resumed>)        = ?
[pid  5027] <... futex resumed>)        = ?
[pid  5014] <... exit_group resumed>)   = ?
[pid  5030] +++ exited with 0 +++
[pid  5027] +++ exited with 0 +++
[pid  5018] <... futex resumed>)        = ?
[pid  5018] +++ exited with 0 +++
[pid  5014] +++ exited with 0 +++
[   56.843695][ T5011] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   56.851661][ T5013] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   56.864405][ T5018] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   56.870981][ T5015] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   56.884505][ T5018] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[pid  5006] exit_group(0 <unfinished ...>
[pid  5004] <... openat resumed>)       = 3
[pid  5029] <... futex resumed>)        = ?
[pid  5013] <... open resumed>)         = 6
[pid  5011] <... futex resumed>)        = ?
[pid  5006] <... exit_group resumed>)   = ?
[pid  5004] fstat(3,  <unfinished ...>
[pid  5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5014, si_uid=0, si_status=0, si_utime=0, si_stime=28 /* 0.28 s */} ---
[pid  5029] +++ exited with 0 +++
[pid  5013] futex(0x7f9970b497ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5011] +++ exited with 0 +++
[   56.899903][   T27] audit: type=1800 audit(1686455692.774:4): pid=5011 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed comm="syz-executor116" name="file2" dev="loop0" ino=16 res=0 errno=0
[   56.920772][ T5015] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   56.921969][ T5011] syz-executor116 (5011) used greatest stack depth: 17920 bytes left
[   56.930729][ T5015] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[pid  5015] <... open resumed>)         = 6
[pid  5013] <... futex resumed>)        = 0
[pid  5006] +++ exited with 0 +++
[pid  5005] umount2("./0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid  5013] futex(0x7f9970b497a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5007] exit_group(0 <unfinished ...>
[pid  5005] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5004] getdents64(3,  <unfinished ...>
[pid  5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5006, si_uid=0, si_status=0, si_utime=0, si_stime=32 /* 0.32 s */} ---
[pid  5028] <... futex resumed>)        = ?
[pid  5013] <... futex resumed>)        = ?
[pid  5007] <... exit_group resumed>)   = ?
[pid  5005] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5004] <... getdents64 resumed>0x555555b84620 /* 4 entries */, 32768) = 112
[pid  5028] +++ exited with 0 +++
[pid  5013] +++ exited with 0 +++
[pid  5007] +++ exited with 0 +++
[pid  5005] <... openat resumed>)       = 3
[pid  5004] umount2("./0/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5015] futex(0x7f9970b497ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5005] fstat(3,  <unfinished ...>
[pid  5004] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5000] umount2("./0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid  5004] lstat("./0/binderfs",  <unfinished ...>
[pid  5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5007, si_uid=0, si_status=0, si_utime=0, si_stime=36 /* 0.36 s */} ---
[pid  5000] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5005] getdents64(3,  <unfinished ...>
[pid  5004] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid  5003] umount2("./0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5001] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5000] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5005] <... getdents64 resumed>0x555555b84620 /* 4 entries */, 32768) = 112
[pid  5004] unlink("./0/binderfs" <unfinished ...>
[pid  5003] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5001] <... restart_syscall resumed>) = 0
[pid  5000] <... openat resumed>)       = 3
[pid  5012] exit_group(0 <unfinished ...>
[pid  5005] umount2("./0/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5004] <... unlink resumed>)       = 0
[pid  5003] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5000] fstat(3,  <unfinished ...>
[pid  5012] <... exit_group resumed>)   = ?
[pid  5005] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5004] umount2("./0/file2", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5003] <... openat resumed>)       = 3
[pid  5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid  5005] lstat("./0/binderfs",  <unfinished ...>
[pid  5003] fstat(3,  <unfinished ...>
[pid  5001] umount2("./0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5000] getdents64(3,  <unfinished ...>
[pid  5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid  5003] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid  5001] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5000] <... getdents64 resumed>0x555555b84620 /* 4 entries */, 32768) = 112
[pid  5005] unlink("./0/binderfs" <unfinished ...>
[pid  5003] getdents64(3,  <unfinished ...>
[pid  5001] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5000] umount2("./0/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5005] <... unlink resumed>)       = 0
[pid  5003] <... getdents64 resumed>0x555555b84620 /* 4 entries */, 32768) = 112
[pid  5001] <... openat resumed>)       = 3
[pid  5000] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5005] umount2("./0/file2", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5003] umount2("./0/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5001] fstat(3,  <unfinished ...>
[pid  5000] lstat("./0/binderfs",  <unfinished ...>
[pid  5003] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid  5000] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid  5003] lstat("./0/binderfs",  <unfinished ...>
[pid  5001] getdents64(3,  <unfinished ...>
[pid  5000] unlink("./0/binderfs" <unfinished ...>
[pid  5003] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid  5001] <... getdents64 resumed>0x555555b84620 /* 4 entries */, 32768) = 112
[pid  5000] <... unlink resumed>)       = 0
[pid  5003] unlink("./0/binderfs" <unfinished ...>
[pid  5001] umount2("./0/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5000] umount2("./0/file2", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5003] <... unlink resumed>)       = 0
[pid  5001] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5003] umount2("./0/file2", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5001] lstat("./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid  5001] unlink("./0/binderfs")      = 0
[pid  5001] umount2("./0/file2", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5015] <... futex resumed>)        = ?
[pid  5015] +++ exited with 0 +++
[pid  5033] <... futex resumed>)        = ?
[   56.941718][   T27] audit: type=1800 audit(1686455692.794:5): pid=5018 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed comm="syz-executor116" name="file2" dev="loop3" ino=16 res=0 errno=0
[   56.953493][ T5013] syz-executor116 (5013) used greatest stack depth: 17280 bytes left
[   56.977282][   T27] audit: type=1800 audit(1686455692.804:6): pid=5013 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed comm="syz-executor116" name="file2" dev="loop1" ino=16 res=0 errno=0
[pid  5033] +++ exited with 0 +++
[pid  5012] +++ exited with 0 +++
[pid  5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5012, si_uid=0, si_status=0, si_utime=0, si_stime=31 /* 0.31 s */} ---
[pid  5002] umount2("./0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5002] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid  5002] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid  5002] getdents64(3, 0x555555b84620 /* 4 entries */, 32768) = 112
[pid  5002] umount2("./0/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5002] lstat("./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid  5002] unlink("./0/binderfs")      = 0
[   56.997118][   T27] audit: type=1800 audit(1686455692.834:7): pid=5015 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed comm="syz-executor116" name="file2" dev="loop2" ino=16 res=0 errno=0
[   57.005052][ T5004] NILFS (loop4): disposed unprocessed dirty file(s) when detaching log writer
[   57.028108][ T5000] NILFS (loop0): disposed unprocessed dirty file(s) when detaching log writer
[   57.029995][ T5003] NILFS (loop3): disposed unprocessed dirty file(s) when detaching log writer
[   57.037806][ T5000] NILFS (loop0): discard dirty page: offset=0, ino=2
[   57.046051][ T5002] NILFS (loop2): disposed unprocessed dirty file(s) when detaching log writer
[   57.053184][ T5001] NILFS (loop1): disposed unprocessed dirty file(s) when detaching log writer
[   57.061916][ T5005] NILFS (loop5): disposed unprocessed dirty file(s) when detaching log writer
[   57.070924][ T5000] NILFS (loop0): discard dirty block: blocknr=18, size=1024
[   57.087186][ T5001] NILFS (loop1): discard dirty page: offset=0, ino=2
[   57.087672][ T5003] NILFS (loop3): discard dirty page: offset=0, ino=2
[   57.094673][ T5004] NILFS (loop4): discard dirty page: offset=0, ino=2
[   57.100577][ T5002] NILFS (loop2): discard dirty page: offset=0, ino=2
[   57.107291][ T5001] NILFS (loop1): discard dirty block: blocknr=18, size=1024
[   57.114225][ T5005] NILFS (loop5): discard dirty page: offset=0, ino=2
[   57.121749][ T5000] NILFS (loop0): discard dirty block: blocknr=18446744073709551615, size=1024
[   57.128177][ T5003] NILFS (loop3): discard dirty block: blocknr=18, size=1024
[   57.137167][ T5004] NILFS (loop4): discard dirty block: blocknr=18, size=1024
[   57.144599][ T5002] NILFS (loop2): discard dirty block: blocknr=18, size=1024
[   57.151887][ T5001] NILFS (loop1): discard dirty block: blocknr=18446744073709551615, size=1024
[   57.159307][ T5005] NILFS (loop5): discard dirty block: blocknr=18, size=1024
[   57.168105][ T5000] NILFS (loop0): discard dirty block: blocknr=18446744073709551615, size=1024
[   57.175397][ T5002] NILFS (loop2): discard dirty block: blocknr=18446744073709551615, size=1024
[   57.184289][ T5004] NILFS (loop4): discard dirty block: blocknr=18446744073709551615, size=1024
[   57.201816][ T5003] NILFS (loop3): discard dirty block: blocknr=18446744073709551615, size=1024
[   57.201836][ T5003] NILFS (loop3): discard dirty block: blocknr=18446744073709551615, size=1024
[   57.201850][ T5003] NILFS (loop3): discard dirty block: blocknr=18446744073709551615, size=1024
[   57.202482][ T5003] NILFS (loop3): discard dirty page: offset=0, ino=6
[   57.210826][ T5001] NILFS (loop1): discard dirty block: blocknr=18446744073709551615, size=1024
[   57.235104][ T5005] NILFS (loop5): discard dirty block: blocknr=18446744073709551615, size=1024
[   57.235125][ T5005] NILFS (loop5): discard dirty block: blocknr=18446744073709551615, size=1024
[   57.235139][ T5005] NILFS (loop5): discard dirty block: blocknr=18446744073709551615, size=1024
[   57.235369][ T5005] NILFS (loop5): discard dirty page: offset=0, ino=6
[   57.244251][ T5000] NILFS (loop0): discard dirty block: blocknr=18446744073709551615, size=1024
[   57.253161][ T5002] NILFS (loop2): discard dirty block: blocknr=18446744073709551615, size=1024
[   57.262045][ T5004] NILFS (loop4): discard dirty block: blocknr=18446744073709551615, size=1024
[   57.270844][ T5003] NILFS (loop3): discard dirty block: blocknr=35, size=1024
[   57.277672][ T5000] NILFS (loop0): discard dirty page: offset=0, ino=6
[   57.295113][ T5002] NILFS (loop2): discard dirty block: blocknr=18446744073709551615, size=1024
[   57.295321][ T5002] NILFS (loop2): discard dirty page: offset=0, ino=6
[   57.304039][ T5004] NILFS (loop4): discard dirty block: blocknr=18446744073709551615, size=1024
[   57.311641][ T5005] NILFS (loop5): discard dirty block: blocknr=35, size=1024
[   57.318216][ T5001] NILFS (loop1): discard dirty block: blocknr=18446744073709551615, size=1024
[   57.333540][ T5003] NILFS (loop3): discard dirty block: blocknr=36, size=1024
[   57.333563][ T5003] NILFS (loop3): discard dirty block: blocknr=37, size=1024
[   57.333577][ T5003] NILFS (loop3): discard dirty block: blocknr=38, size=1024
[   57.342756][ T5004] NILFS (loop4): discard dirty page: offset=0, ino=6
[   57.349958][ T5002] NILFS (loop2): discard dirty block: blocknr=35, size=1024
[   57.359642][ T5000] NILFS (loop0): discard dirty block: blocknr=35, size=1024
[   57.366572][ T5005] NILFS (loop5): discard dirty block: blocknr=36, size=1024
[   57.374094][ T5004] NILFS (loop4): discard dirty block: blocknr=35, size=1024
[   57.381120][ T5003] NILFS (loop3): discard dirty page: offset=4096, ino=6
[   57.388327][ T5001] NILFS (loop1): discard dirty page: offset=0, ino=6
[   57.395163][ T5005] NILFS (loop5): discard dirty block: blocknr=37, size=1024
[   57.395181][ T5005] NILFS (loop5): discard dirty block: blocknr=38, size=1024
[   57.402889][ T5004] NILFS (loop4): discard dirty block: blocknr=36, size=1024
[   57.409743][ T5002] NILFS (loop2): discard dirty block: blocknr=36, size=1024
[   57.417359][ T5000] NILFS (loop0): discard dirty block: blocknr=36, size=1024
[   57.424003][ T5003] NILFS (loop3): discard dirty block: blocknr=39, size=1024
[   57.430902][ T5001] NILFS (loop1): discard dirty block: blocknr=35, size=1024
[   57.438027][ T5002] NILFS (loop2): discard dirty block: blocknr=37, size=1024
[   57.438043][ T5002] NILFS (loop2): discard dirty block: blocknr=38, size=1024
[   57.445815][ T5000] NILFS (loop0): discard dirty block: blocknr=37, size=1024
[   57.467321][ T5005] NILFS (loop5): discard dirty page: offset=4096, ino=6
[   57.474964][ T5004] NILFS (loop4): discard dirty block: blocknr=37, size=1024
[   57.481889][ T5003] NILFS (loop3): discard dirty block: blocknr=18446744073709551615, size=1024
[   57.489427][ T5001] NILFS (loop1): discard dirty block: blocknr=36, size=1024
[   57.503870][ T5002] NILFS (loop2): discard dirty page: offset=4096, ino=6
[   57.503887][ T5002] NILFS (loop2): discard dirty block: blocknr=39, size=1024
[   57.510905][ T5004] NILFS (loop4): discard dirty block: blocknr=38, size=1024
[pid  5002] umount2("./0/file2", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5003] <... umount2 resumed>)      = 0
[pid  5003] umount2("./0/file2", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5003] lstat("./0/file2", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid  5003] umount2("./0/file2", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5003] openat(AT_FDCWD, "./0/file2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid  5003] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid  5003] getdents64(4, 0x555555b8c660 /* 2 entries */, 32768) = 48
[pid  5003] getdents64(4, 0x555555b8c660 /* 0 entries */, 32768) = 0
[pid  5003] close(4)                    = 0
[pid  5003] rmdir("./0/file2")          = 0
[pid  5003] getdents64(3, 0x555555b84620 /* 0 entries */, 32768) = 0
[pid  5003] close(3)                    = 0
[pid  5003] rmdir("./0")                = 0
[pid  5003] mkdir("./1", 0777)          = 0
[pid  5003] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3
[   57.518184][ T5005] NILFS (loop5): discard dirty block: blocknr=39, size=1024
[   57.518200][ T5005] NILFS (loop5): discard dirty block: blocknr=18446744073709551615, size=1024
[   57.528131][ T5000] NILFS (loop0): discard dirty block: blocknr=38, size=1024
[   57.541562][ T5003] NILFS (loop3): discard dirty block: blocknr=18446744073709551615, size=1024
[   57.541583][ T5003] NILFS (loop3): discard dirty block: blocknr=18446744073709551615, size=1024
[   57.584458][ T5002] NILFS (loop2): discard dirty block: blocknr=18446744073709551615, size=1024
[pid  5003] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  5003] close(3)                    = 0
[pid  5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555b835d0) = 5034
./strace-static-x86_64: Process 5034 attached
[pid  5034] set_robust_list(0x555555b835e0, 24) = 0
[pid  5034] chdir("./1")                = 0
[pid  5034] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5034] setpgid(0, 0)               = 0
[pid  5034] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5034] write(3, "1000", 4)         = 4
[pid  5034] close(3)                    = 0
[pid  5034] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5034] futex(0x7f9970b497ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5034] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f9970a4f000
[pid  5034] mprotect(0x7f9970a50000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5034] 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, parent_tid=[5035], tls=0x7f9970a6f700, child_tidptr=0x7f9970a6f9d0) = 5035
[pid  5034] futex(0x7f9970b497a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5034] futex(0x7f9970b497ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5035 attached
 <unfinished ...>
[pid  5035] set_robust_list(0x7f9970a6f9e0, 24) = 0
[pid  5035] memfd_create("syzkaller", 0) = 3
[pid  5035] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f996864f000
[   57.589815][ T5004] NILFS (loop4): discard dirty page: offset=4096, ino=6
[   57.602613][ T5005] NILFS (loop5): discard dirty block: blocknr=18446744073709551615, size=1024
[   57.607369][ T5001] NILFS (loop1): discard dirty block: blocknr=37, size=1024
[   57.629044][ T5005] NILFS (loop5): discard dirty block: blocknr=18446744073709551615, size=1024
[   57.630660][ T5004] NILFS (loop4): discard dirty block: blocknr=39, size=1024
[   57.640832][ T5002] NILFS (loop2): discard dirty block: blocknr=18446744073709551615, size=1024
[   57.646324][ T5001] NILFS (loop1): discard dirty block: blocknr=38, size=1024
[pid  5035] 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) = 1048576
[pid  5035] munmap(0x7f996864f000, 1048576) = 0
[pid  5035] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4
[   57.663363][ T5004] NILFS (loop4): discard dirty block: blocknr=18446744073709551615, size=1024
[   57.673359][ T5001] NILFS (loop1): discard dirty page: offset=4096, ino=6
[   57.680862][ T5001] NILFS (loop1): discard dirty block: blocknr=39, size=1024
[   57.686154][ T5035] loop3: detected capacity change from 0 to 2048
[   57.689059][ T5004] NILFS (loop4): discard dirty block: blocknr=18446744073709551615, size=1024
[pid  5035] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5005] <... umount2 resumed>)      = 0
[pid  5005] umount2("./0/file2", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5005] lstat("./0/file2", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid  5005] umount2("./0/file2", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5005] openat(AT_FDCWD, "./0/file2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid  5005] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid  5005] getdents64(4, 0x555555b8c660 /* 2 entries */, 32768) = 48
[pid  5005] getdents64(4, 0x555555b8c660 /* 0 entries */, 32768) = 0
[pid  5005] close(4)                    = 0
[pid  5005] rmdir("./0/file2")          = 0
[pid  5005] getdents64(3, 0x555555b84620 /* 0 entries */, 32768) = 0
[pid  5005] close(3)                    = 0
[pid  5005] rmdir("./0")                = 0
[pid  5005] mkdir("./1", 0777)          = 0
[pid  5005] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3
[pid  5005] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  5005] close(3)                    = 0
[pid  5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555b835d0) = 5036
./strace-static-x86_64: Process 5036 attached
[pid  5035] <... ioctl resumed>)        = 0
[pid  5035] close(3 <unfinished ...>
[pid  5036] set_robust_list(0x555555b835e0, 24 <unfinished ...>
[pid  5035] <... close resumed>)        = 0
[pid  5035] mkdir("./file2", 0777 <unfinished ...>
[pid  5036] <... set_robust_list resumed>) = 0
[pid  5036] chdir("./1")                = 0
[pid  5036] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5036] setpgid(0, 0)               = 0
[pid  5036] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5035] <... mkdir resumed>)        = 0
[pid  5035] mount("/dev/loop3", "./file2", "nilfs2", MS_I_VERSION, "" <unfinished ...>
[pid  5036] <... openat resumed>)       = 3
[pid  5036] write(3, "1000", 4)         = 4
[pid  5036] close(3)                    = 0
[pid  5036] symlink("/dev/binderfs", "./binderfs") = 0
[   57.699832][ T5002] NILFS (loop2): discard dirty block: blocknr=18446744073709551615, size=1024
[   57.705875][ T5001] NILFS (loop1): discard dirty block: blocknr=18446744073709551615, size=1024
[   57.724781][ T5004] NILFS (loop4): discard dirty block: blocknr=18446744073709551615, size=1024
[   57.734578][ T5000] NILFS (loop0): discard dirty page: offset=4096, ino=6
[   57.742140][ T5001] NILFS (loop1): discard dirty block: blocknr=18446744073709551615, size=1024
[   57.752230][ T5000] NILFS (loop0): discard dirty block: blocknr=39, size=1024
[pid  5036] futex(0x7f9970b497ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5036] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f9970a4f000
[pid  5036] mprotect(0x7f9970a50000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5036] 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, parent_tid=[5037], tls=0x7f9970a6f700, child_tidptr=0x7f9970a6f9d0) = 5037
[pid  5036] futex(0x7f9970b497a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5036] futex(0x7f9970b497ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  5004] <... umount2 resumed>)      = 0
[pid  5035] <... mount resumed>)        = 0
[pid  5035] openat(AT_FDCWD, "./file2", O_RDONLY|O_DIRECTORY) = 3
[pid  5035] chdir("./file2")            = 0
[pid  5035] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5035] close(4)                    = 0
[pid  5035] futex(0x7f9970b497ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5034] <... futex resumed>)        = 0
[pid  5034] futex(0x7f9970b497a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5034] futex(0x7f9970b497ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5035] <... futex resumed>)        = 1
[pid  5035] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000) = 4
[pid  5035] futex(0x7f9970b497ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5034] <... futex resumed>)        = 0
[pid  5034] futex(0x7f9970b497a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5034] futex(0x7f9970b497ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5035] <... futex resumed>)        = 1
[pid  5035] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000) = 5
[pid  5035] futex(0x7f9970b497ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5034] <... futex resumed>)        = 0
[pid  5034] futex(0x7f9970b497a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5034] futex(0x7f9970b497ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5035] <... futex resumed>)        = 1
[pid  5035] ftruncate(5, 33587195)      = 0
[pid  5035] futex(0x7f9970b497ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5034] <... futex resumed>)        = 0
[pid  5034] futex(0x7f9970b497a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5034] futex(0x7f9970b497ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[   57.759741][ T5000] NILFS (loop0): discard dirty block: blocknr=18446744073709551615, size=1024
[   57.783169][ T5001] NILFS (loop1): discard dirty block: blocknr=18446744073709551615, size=1024
[   57.783210][ T5038] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[   57.803902][ T5035] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[pid  5035] open("./file2", O_RDONLY <unfinished ...>
[pid  5004] umount2("./0/file2", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5037 attached
 <unfinished ...>
[pid  5001] <... umount2 resumed>)      = 0
[pid  5037] set_robust_list(0x7f9970a6f9e0, 24 <unfinished ...>
[pid  5004] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5037] <... set_robust_list resumed>) = 0
[pid  5004] lstat("./0/file2",  <unfinished ...>
[pid  5001] umount2("./0/file2", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5037] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5004] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid  5001] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5037] <... memfd_create resumed>) = 3
[pid  5001] lstat("./0/file2",  <unfinished ...>
[pid  5037] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5004] umount2("./0/file2", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5037] <... mmap resumed>)         = 0x7f996864f000
[pid  5004] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5002] <... umount2 resumed>)      = 0
[pid  5001] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid  5002] umount2("./0/file2", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5004] openat(AT_FDCWD, "./0/file2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5001] umount2("./0/file2", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5002] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5004] <... openat resumed>)       = 4
[pid  5001] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5004] fstat(4,  <unfinished ...>
[pid  5002] lstat("./0/file2",  <unfinished ...>
[pid  5001] openat(AT_FDCWD, "./0/file2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5034] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid  5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid  5002] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid  5001] <... openat resumed>)       = 4
[pid  5037] 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 <unfinished ...>
[pid  5034] futex(0x7f9970b497ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid  5002] umount2("./0/file2", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5034] futex(0x7f9970b497bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5004] getdents64(4,  <unfinished ...>
[pid  5002] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5001] fstat(4,  <unfinished ...>
[pid  5034] <... futex resumed>)        = 0
[pid  5004] <... getdents64 resumed>0x555555b8c660 /* 2 entries */, 32768) = 48
[pid  5002] openat(AT_FDCWD, "./0/file2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5034] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  5002] <... openat resumed>)       = 4
[pid  5034] <... mmap resumed>)         = 0x7f996872e000
[pid  5002] fstat(4,  <unfinished ...>
[pid  5034] mprotect(0x7f996872f000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  5004] getdents64(4,  <unfinished ...>
[pid  5002] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid  5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid  5034] <... mprotect resumed>)     = 0
[pid  5004] <... getdents64 resumed>0x555555b8c660 /* 0 entries */, 32768) = 0
[pid  5002] getdents64(4,  <unfinished ...>
[   57.813792][ T5000] NILFS (loop0): discard dirty block: blocknr=18446744073709551615, size=1024
[   57.828401][ T5000] NILFS (loop0): discard dirty block: blocknr=18446744073709551615, size=1024
[pid  5034] 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 <unfinished ...>
[pid  5004] close(4 <unfinished ...>
[pid  5002] <... getdents64 resumed>0x555555b8c660 /* 2 entries */, 32768) = 48
[pid  5001] getdents64(4,  <unfinished ...>
[pid  5002] getdents64(4,  <unfinished ...>
[pid  5000] <... umount2 resumed>)      = 0
[pid  5034] <... clone resumed>, parent_tid=[5040], tls=0x7f996874e700, child_tidptr=0x7f996874e9d0) = 5040
[pid  5004] <... close resumed>)        = 0
[pid  5002] <... getdents64 resumed>0x555555b8c660 /* 0 entries */, 32768) = 0
[pid  5001] <... getdents64 resumed>0x555555b8c660 /* 2 entries */, 32768) = 48
[pid  5034] futex(0x7f9970b497b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5002] close(4 <unfinished ...>
[pid  5034] <... futex resumed>)        = 0
[pid  5002] <... close resumed>)        = 0
[pid  5034] futex(0x7f9970b497bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5004] rmdir("./0/file2" <unfinished ...>
[pid  5002] rmdir("./0/file2" <unfinished ...>
[pid  5001] getdents64(4,  <unfinished ...>
[pid  5004] <... rmdir resumed>)        = 0
[pid  5002] <... rmdir resumed>)        = 0
[pid  5001] <... getdents64 resumed>0x555555b8c660 /* 0 entries */, 32768) = 0
[pid  5000] umount2("./0/file2", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5004] getdents64(3,  <unfinished ...>
[pid  5002] getdents64(3,  <unfinished ...>
[pid  5001] close(4./strace-static-x86_64: Process 5040 attached
 <unfinished ...>
[pid  5002] <... getdents64 resumed>0x555555b84620 /* 0 entries */, 32768) = 0
[pid  5040] set_robust_list(0x7f996874e9e0, 24 <unfinished ...>
[pid  5004] <... getdents64 resumed>0x555555b84620 /* 0 entries */, 32768) = 0
[pid  5002] close(3 <unfinished ...>
[pid  5001] <... close resumed>)        = 0
[pid  5000] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5040] <... set_robust_list resumed>) = 0
[pid  5004] close(3 <unfinished ...>
[pid  5002] <... close resumed>)        = 0
[pid  5001] rmdir("./0/file2" <unfinished ...>
[pid  5000] lstat("./0/file2",  <unfinished ...>
[pid  5040] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 <unfinished ...>
[pid  5037] <... write resumed>)        = 1048576
[pid  5004] <... close resumed>)        = 0
[pid  5002] rmdir("./0" <unfinished ...>
[pid  5040] <... open resumed>)         = 7
[pid  5037] munmap(0x7f996864f000, 1048576 <unfinished ...>
[pid  5004] rmdir("./0" <unfinished ...>
[pid  5002] <... rmdir resumed>)        = 0
[pid  5001] <... rmdir resumed>)        = 0
[pid  5000] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid  5040] futex(0x7f9970b497bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5002] mkdir("./1", 0777 <unfinished ...>
[pid  5040] <... futex resumed>)        = 1
[pid  5037] <... munmap resumed>)       = 0
[pid  5034] <... futex resumed>)        = 0
[pid  5002] <... mkdir resumed>)        = 0
[pid  5040] futex(0x7f9970b497b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5037] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid  5034] futex(0x7f9970b497b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5004] <... rmdir resumed>)        = 0
[pid  5002] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5001] getdents64(3,  <unfinished ...>
[pid  5000] umount2("./0/file2", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5040] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5037] <... openat resumed>)       = 4
[pid  5034] <... futex resumed>)        = 0
[pid  5004] mkdir("./1", 0777 <unfinished ...>
[pid  5002] <... openat resumed>)       = 3
[pid  5001] <... getdents64 resumed>0x555555b84620 /* 0 entries */, 32768) = 0
[pid  5000] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5040] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 <unfinished ...>
[pid  5034] futex(0x7f9970b497bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5002] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5040] <... open resumed>)         = 8
[pid  5002] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5040] futex(0x7f9970b497bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5002] close(3 <unfinished ...>
[pid  5040] <... futex resumed>)        = 1
[pid  5037] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5034] <... futex resumed>)        = 0
[pid  5004] <... mkdir resumed>)        = 0
[pid  5002] <... close resumed>)        = 0
[pid  5001] close(3 <unfinished ...>
[pid  5000] openat(AT_FDCWD, "./0/file2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5040] futex(0x7f9970b497b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5034] futex(0x7f9970b497b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5040] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5034] <... futex resumed>)        = 0
[pid  5040] sendfile(7, 8, NULL, 281474978811909 <unfinished ...>
[pid  5034] futex(0x7f9970b497bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5002] <... clone resumed>, child_tidptr=0x555555b835d0) = 5041
./strace-static-x86_64: Process 5041 attached
[pid  5037] <... ioctl resumed>)        = 0
[pid  5004] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5001] <... close resumed>)        = 0
[pid  5000] <... openat resumed>)       = 4
[pid  5041] set_robust_list(0x555555b835e0, 24 <unfinished ...>
[pid  5037] close(3 <unfinished ...>
[pid  5004] <... openat resumed>)       = 3
[pid  5001] rmdir("./0" <unfinished ...>
[pid  5000] fstat(4,  <unfinished ...>
[pid  5041] <... set_robust_list resumed>) = 0
[pid  5037] <... close resumed>)        = 0
[pid  5004] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5001] <... rmdir resumed>)        = 0
[pid  5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid  5041] chdir("./1" <unfinished ...>
[pid  5037] mkdir("./file2", 0777 <unfinished ...>
[pid  5004] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5001] mkdir("./1", 0777 <unfinished ...>
[pid  5000] getdents64(4,  <unfinished ...>
[pid  5041] <... chdir resumed>)        = 0
[pid  5037] <... mkdir resumed>)        = 0
[pid  5004] close(3 <unfinished ...>
[pid  5001] <... mkdir resumed>)        = 0
[pid  5000] <... getdents64 resumed>0x555555b8c660 /* 2 entries */, 32768) = 48
[pid  5041] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5037] mount("/dev/loop5", "./file2", "nilfs2", MS_I_VERSION, "" <unfinished ...>
[pid  5004] <... close resumed>)        = 0
[pid  5001] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5000] getdents64(4,  <unfinished ...>
[pid  5041] <... prctl resumed>)        = 0
[pid  5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5001] <... openat resumed>)       = 3
[pid  5000] <... getdents64 resumed>0x555555b8c660 /* 0 entries */, 32768) = 0
[pid  5041] setpgid(0, 0 <unfinished ...>
[pid  5001] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5000] close(4 <unfinished ...>
[pid  5041] <... setpgid resumed>)      = 0
[pid  5004] <... clone resumed>, child_tidptr=0x555555b835d0) = 5043
[pid  5001] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5000] <... close resumed>)        = 0
[pid  5041] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5034] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid  5001] close(3 <unfinished ...>
[pid  5000] rmdir("./0/file2" <unfinished ...>
[pid  5041] <... openat resumed>)       = 3
[pid  5034] futex(0x7f9970b497cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5001] <... close resumed>)        = 0
[pid  5000] <... rmdir resumed>)        = 0
[pid  5041] write(3, "1000", 4 <unfinished ...>
[pid  5034] <... futex resumed>)        = 0
[pid  5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5000] getdents64(3,  <unfinished ...>
[pid  5041] <... write resumed>)        = 4
[   57.882480][ T5035] Remounting filesystem read-only
[   57.901923][ T5037] loop5: detected capacity change from 0 to 2048
[   57.906661][ T5035] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   57.924494][ T5040] NILFS (loop3): discard dirty page: offset=0, ino=18
[pid  5034] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  5000] <... getdents64 resumed>0x555555b84620 /* 0 entries */, 32768) = 0
./strace-static-x86_64: Process 5043 attached
[pid  5041] close(3 <unfinished ...>
[pid  5034] <... mmap resumed>)         = 0x7f996870d000
[pid  5001] <... clone resumed>, child_tidptr=0x555555b835d0) = 5044
[pid  5000] close(3 <unfinished ...>
[pid  5043] set_robust_list(0x555555b835e0, 24 <unfinished ...>
[pid  5041] <... close resumed>)        = 0
[pid  5034] mprotect(0x7f996870e000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  5000] <... close resumed>)        = 0
[pid  5043] <... set_robust_list resumed>) = 0
[pid  5041] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5000] rmdir("./0"./strace-static-x86_64: Process 5044 attached
 <unfinished ...>
[pid  5043] chdir("./1" <unfinished ...>
[pid  5041] <... symlink resumed>)      = 0
[pid  5000] <... rmdir resumed>)        = 0
[pid  5044] set_robust_list(0x555555b835e0, 24 <unfinished ...>
[pid  5043] <... chdir resumed>)        = 0
[pid  5041] futex(0x7f9970b497ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5000] mkdir("./1", 0777 <unfinished ...>
[pid  5044] <... set_robust_list resumed>) = 0
[pid  5043] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5041] <... futex resumed>)        = 0
[pid  5000] <... mkdir resumed>)        = 0
[pid  5044] chdir("./1" <unfinished ...>
[pid  5043] <... prctl resumed>)        = 0
[pid  5041] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5044] <... chdir resumed>)        = 0
[pid  5043] setpgid(0, 0 <unfinished ...>
[pid  5041] <... mmap resumed>)         = 0x7f9970a4f000
[pid  5000] <... openat resumed>)       = 3
[pid  5044] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5043] <... setpgid resumed>)      = 0
[pid  5041] mprotect(0x7f9970a50000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  5000] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5044] <... prctl resumed>)        = 0
[pid  5043] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5041] <... mprotect resumed>)     = 0
[pid  5000] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5044] setpgid(0, 0 <unfinished ...>
[pid  5043] <... openat resumed>)       = 3
[pid  5041] 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 <unfinished ...>
[pid  5000] close(3 <unfinished ...>
[pid  5044] <... setpgid resumed>)      = 0
[pid  5043] write(3, "1000", 4 <unfinished ...>
[pid  5034] <... mprotect resumed>)     = 0
[pid  5037] <... mount resumed>)        = 0
[pid  5000] <... close resumed>)        = 0
[pid  5044] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5043] <... write resumed>)        = 4
[pid  5041] <... clone resumed>, parent_tid=[5045], tls=0x7f9970a6f700, child_tidptr=0x7f9970a6f9d0) = 5045
[pid  5037] openat(AT_FDCWD, "./file2", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid  5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5044] <... openat resumed>)       = 3
[pid  5043] close(3 <unfinished ...>
[pid  5041] futex(0x7f9970b497a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5037] <... openat resumed>)       = 3
[pid  5044] write(3, "1000", 4 <unfinished ...>
[pid  5043] <... close resumed>)        = 0
[pid  5041] <... futex resumed>)        = 0
[pid  5037] chdir("./file2" <unfinished ...>
[pid  5000] <... clone resumed>, child_tidptr=0x555555b835d0) = 5046
./strace-static-x86_64: Process 5045 attached
[pid  5044] <... write resumed>)        = 4
[pid  5043] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5041] futex(0x7f9970b497ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  5037] <... chdir resumed>)        = 0
[pid  5034] 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 <unfinished ...>
[pid  5045] set_robust_list(0x7f9970a6f9e0, 24 <unfinished ...>
[pid  5044] close(3 <unfinished ...>
[pid  5043] <... symlink resumed>)      = 0
[pid  5037] ioctl(4, LOOP_CLR_FD./strace-static-x86_64: Process 5046 attached
 <unfinished ...>
[pid  5045] <... set_robust_list resumed>) = 0
[pid  5044] <... close resumed>)        = 0
[pid  5043] futex(0x7f9970b497ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5037] <... ioctl resumed>)        = 0
[pid  5034] <... clone resumed>, parent_tid=[5047], tls=0x7f996872d700, child_tidptr=0x7f996872d9d0) = 5047
[pid  5046] set_robust_list(0x555555b835e0, 24 <unfinished ...>
[pid  5045] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5044] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5043] <... futex resumed>)        = 0
[pid  5037] close(4 <unfinished ...>
[pid  5046] <... set_robust_list resumed>) = 0
[pid  5045] <... memfd_create resumed>) = 3
[pid  5044] <... symlink resumed>)      = 0
[pid  5043] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  5037] <... close resumed>)        = 0
[pid  5046] chdir("./1" <unfinished ...>
[pid  5045] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5044] futex(0x7f9970b497ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5043] <... mmap resumed>)         = 0x7f9970a4f000
[pid  5037] futex(0x7f9970b497ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5046] <... chdir resumed>)        = 0
[pid  5045] <... mmap resumed>)         = 0x7f996864f000
[pid  5044] <... futex resumed>)        = 0
[pid  5043] mprotect(0x7f9970a50000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  5037] <... futex resumed>)        = 1
./strace-static-x86_64: Process 5047 attached
[pid  5046] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5044] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  5043] <... mprotect resumed>)     = 0
[pid  5037] futex(0x7f9970b497a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5036] <... futex resumed>)        = 0
[pid  5034] futex(0x7f9970b497c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5047] set_robust_list(0x7f996872d9e0, 24 <unfinished ...>
[pid  5046] <... prctl resumed>)        = 0
[pid  5044] <... mmap resumed>)         = 0x7f9970a4f000
[pid  5043] 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 <unfinished ...>
[pid  5036] futex(0x7f9970b497a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5034] <... futex resumed>)        = 0
[pid  5046] setpgid(0, 0 <unfinished ...>
[pid  5045] 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 <unfinished ...>
[pid  5044] mprotect(0x7f9970a50000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  5047] <... set_robust_list resumed>) = 0
[pid  5046] <... setpgid resumed>)      = 0
[pid  5044] <... mprotect resumed>)     = 0
[pid  5043] <... clone resumed>, parent_tid=[5048], tls=0x7f9970a6f700, child_tidptr=0x7f9970a6f9d0) = 5048
[pid  5037] <... futex resumed>)        = 0
[pid  5036] <... futex resumed>)        = 1
[pid  5034] futex(0x7f9970b497cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5047] ftruncate(7, 32768 <unfinished ...>
[pid  5046] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5044] 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 <unfinished ...>
[pid  5043] futex(0x7f9970b497a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5037] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 <unfinished ...>
[pid  5036] futex(0x7f9970b497ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5048 attached
 <unfinished ...>
[pid  5046] <... openat resumed>)       = 3
[pid  5043] <... futex resumed>)        = 0
[pid  5048] set_robust_list(0x7f9970a6f9e0, 24 <unfinished ...>
[pid  5046] write(3, "1000", 4 <unfinished ...>
[pid  5044] <... clone resumed>, parent_tid=[5049], tls=0x7f9970a6f700, child_tidptr=0x7f9970a6f9d0) = 5049
[pid  5043] futex(0x7f9970b497ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  5037] <... open resumed>)         = 4
[pid  5048] <... set_robust_list resumed>) = 0
[pid  5046] <... write resumed>)        = 4
[pid  5044] futex(0x7f9970b497a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5037] futex(0x7f9970b497ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5048] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5047] <... ftruncate resumed>)    = 0
[pid  5046] close(3 <unfinished ...>
[pid  5044] <... futex resumed>)        = 0
[pid  5037] <... futex resumed>)        = 1
[pid  5036] <... futex resumed>)        = 0
[pid  5048] <... memfd_create resumed>) = 3
[pid  5047] futex(0x7f9970b497cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5046] <... close resumed>)        = 0
[   57.965162][ T5042] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[   57.979113][ T5040] NILFS (loop3): discard dirty block: blocknr=0, size=1024
[   57.983761][ T5035] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   58.000751][ T5040] NILFS (loop3): discard dirty block: blocknr=0, size=1024
[pid  5044] futex(0x7f9970b497ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  5037] futex(0x7f9970b497a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5036] futex(0x7f9970b497a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5048] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5046] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5048] <... mmap resumed>)         = 0x7f996864f000
[pid  5046] <... symlink resumed>)      = 0
./strace-static-x86_64: Process 5049 attached
[pid  5047] <... futex resumed>)        = 1
[pid  5046] futex(0x7f9970b497ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5037] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5036] <... futex resumed>)        = 0
[pid  5034] <... futex resumed>)        = 0
[pid  5046] <... futex resumed>)        = 0
[pid  5046] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f9970a4f000
[pid  5037] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 <unfinished ...>
[pid  5036] futex(0x7f9970b497ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5046] mprotect(0x7f9970a50000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  5037] <... open resumed>)         = 5
[pid  5049] set_robust_list(0x7f9970a6f9e0, 24 <unfinished ...>
[pid  5047] futex(0x7f9970b497c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5046] <... mprotect resumed>)     = 0
[pid  5037] futex(0x7f9970b497ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5049] <... set_robust_list resumed>) = 0
[pid  5046] 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 <unfinished ...>
[pid  5037] <... futex resumed>)        = 1
[pid  5036] <... futex resumed>)        = 0
[pid  5049] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5037] futex(0x7f9970b497a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5036] futex(0x7f9970b497a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5049] <... memfd_create resumed>) = 3
[pid  5046] <... clone resumed>, parent_tid=[5050], tls=0x7f9970a6f700, child_tidptr=0x7f9970a6f9d0) = 5050
[pid  5037] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5036] <... futex resumed>)        = 0
[pid  5049] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5046] futex(0x7f9970b497a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5037] ftruncate(5, 33587195 <unfinished ...>
[pid  5036] futex(0x7f9970b497ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5050 attached
 <unfinished ...>
[pid  5049] <... mmap resumed>)         = 0x7f996864f000
[pid  5048] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 <unfinished ...>
[pid  5046] <... futex resumed>)        = 0
[pid  5037] <... ftruncate resumed>)    = 0
[pid  5050] set_robust_list(0x7f9970a6f9e0, 24 <unfinished ...>
[pid  5046] futex(0x7f9970b497ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  5037] futex(0x7f9970b497ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5050] <... set_robust_list resumed>) = 0
[pid  5045] <... write resumed>)        = 1048576
[pid  5037] <... futex resumed>)        = 1
[pid  5036] <... futex resumed>)        = 0
[pid  5050] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5045] munmap(0x7f996864f000, 1048576 <unfinished ...>
[pid  5050] <... memfd_create resumed>) = 3
[pid  5050] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5045] <... munmap resumed>)       = 0
[pid  5050] <... mmap resumed>)         = 0x7f996864f000
[pid  5045] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4
[pid  5037] futex(0x7f9970b497a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5036] futex(0x7f9970b497a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5045] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5037] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5036] <... futex resumed>)        = 0
[   58.031841][ T5040] NILFS (loop3): discard dirty block: blocknr=0, size=1024
[   58.039718][ T5040] NILFS (loop3): discard dirty block: blocknr=0, size=1024
[   58.053667][ T5035] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   58.074186][ T5040] NILFS (loop3): discard dirty page: offset=4096, ino=18
[pid  5049] 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 <unfinished ...>
[pid  5045] <... ioctl resumed>)        = 0
[pid  5037] open("./file2", O_RDONLY <unfinished ...>
[pid  5036] futex(0x7f9970b497ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5050] 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 <unfinished ...>
[pid  5048] <... write resumed>)        = 1048576
[pid  5048] munmap(0x7f996864f000, 1048576) = 0
[pid  5049] <... write resumed>)        = 1048576
[pid  5048] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5045] close(3 <unfinished ...>
[pid  5048] <... openat resumed>)       = 4
[pid  5045] <... close resumed>)        = 0
[pid  5048] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[   58.083410][ T5045] loop2: detected capacity change from 0 to 2048
[   58.083894][ T5040] NILFS (loop3): discard dirty block: blocknr=0, size=1024
[   58.102416][ T5037] NILFS error (device loop5): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   58.115598][ T5035] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   58.117640][ T5037] Remounting filesystem read-only
[pid  5045] mkdir("./file2", 0777 <unfinished ...>
[pid  5049] munmap(0x7f996864f000, 1048576 <unfinished ...>
[pid  5045] <... mkdir resumed>)        = 0
[pid  5045] mount("/dev/loop2", "./file2", "nilfs2", MS_I_VERSION, "" <unfinished ...>
[pid  5049] <... munmap resumed>)       = 0
[pid  5049] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5050] <... write resumed>)        = 1048576
[pid  5050] munmap(0x7f996864f000, 1048576) = 0
[pid  5050] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5050] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5049] <... openat resumed>)       = 4
[pid  5036] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[   58.129211][ T5048] loop4: detected capacity change from 0 to 2048
[   58.136840][ T5040] NILFS (loop3): discard dirty block: blocknr=0, size=1024
[   58.145480][ T5040] NILFS (loop3): discard dirty block: blocknr=0, size=1024
[   58.153256][ T5037] NILFS error (device loop5): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   58.159990][ T5050] loop0: detected capacity change from 0 to 2048
[   58.163577][ T5040] NILFS (loop3): discard dirty block: blocknr=0, size=1024
[pid  5049] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5036] futex(0x7f9970b497bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5045] <... mount resumed>)        = 0
[pid  5045] openat(AT_FDCWD, "./file2", O_RDONLY|O_DIRECTORY) = 3
[pid  5048] <... ioctl resumed>)        = 0
[pid  5036] <... futex resumed>)        = 0
[pid  5045] chdir("./file2" <unfinished ...>
[pid  5048] close(3 <unfinished ...>
[pid  5045] <... chdir resumed>)        = 0
[pid  5036] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  5045] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5045] close(4)                    = 0
[pid  5045] futex(0x7f9970b497ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5041] <... futex resumed>)        = 0
[pid  5049] <... ioctl resumed>)        = 0
[pid  5048] <... close resumed>)        = 0
[pid  5045] futex(0x7f9970b497a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5041] futex(0x7f9970b497a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5036] <... mmap resumed>)         = 0x7f996872e000
[pid  5050] <... ioctl resumed>)        = 0
[pid  5048] mkdir("./file2", 0777 <unfinished ...>
[pid  5045] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5041] <... futex resumed>)        = 0
[pid  5036] mprotect(0x7f996872f000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  5050] close(3 <unfinished ...>
[pid  5048] <... mkdir resumed>)        = 0
[pid  5045] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 <unfinished ...>
[pid  5041] futex(0x7f9970b497ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5050] <... close resumed>)        = 0
[pid  5049] close(3 <unfinished ...>
[pid  5048] mount("/dev/loop4", "./file2", "nilfs2", MS_I_VERSION, "" <unfinished ...>
[pid  5045] <... open resumed>)         = 4
[pid  5036] <... mprotect resumed>)     = 0
[pid  5050] mkdir("./file2", 0777 <unfinished ...>
[pid  5045] futex(0x7f9970b497ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5050] <... mkdir resumed>)        = 0
[pid  5045] <... futex resumed>)        = 1
[pid  5041] <... futex resumed>)        = 0
[pid  5036] 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 <unfinished ...>
[pid  5050] mount("/dev/loop0", "./file2", "nilfs2", MS_I_VERSION, "" <unfinished ...>
[pid  5045] futex(0x7f9970b497a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5041] futex(0x7f9970b497a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5045] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5041] <... futex resumed>)        = 0
[pid  5036] <... clone resumed>, parent_tid=[5052], tls=0x7f996874e700, child_tidptr=0x7f996874e9d0) = 5052
[pid  5049] <... close resumed>)        = 0
[pid  5045] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 <unfinished ...>
[pid  5041] futex(0x7f9970b497ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5036] futex(0x7f9970b497b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5049] mkdir("./file2", 0777 <unfinished ...>
[pid  5045] <... open resumed>)         = 5
[pid  5036] <... futex resumed>)        = 0
[pid  5045] futex(0x7f9970b497ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5036] futex(0x7f9970b497bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5052 attached
 <unfinished ...>
[pid  5049] <... mkdir resumed>)        = 0
[pid  5045] <... futex resumed>)        = 1
[pid  5041] <... futex resumed>)        = 0
[pid  5052] set_robust_list(0x7f996874e9e0, 24 <unfinished ...>
[pid  5049] mount("/dev/loop1", "./file2", "nilfs2", MS_I_VERSION, "" <unfinished ...>
[pid  5045] futex(0x7f9970b497a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5041] futex(0x7f9970b497a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5045] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5041] <... futex resumed>)        = 0
[pid  5052] <... set_robust_list resumed>) = 0
[   58.177121][ T5037] NILFS error (device loop5): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   58.177511][ T5051] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[   58.186942][ T5049] loop1: detected capacity change from 0 to 2048
[   58.204684][ T5037] NILFS error (device loop5): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   58.214726][ T5040] NILFS (loop3): discard dirty page: offset=8192, ino=18
[   58.218299][ T5035] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[pid  5045] ftruncate(5, 33587195 <unfinished ...>
[pid  5041] futex(0x7f9970b497ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5052] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 <unfinished ...>
[pid  5045] <... ftruncate resumed>)    = 0
[pid  5052] <... open resumed>)         = -1 EROFS (Read-only file system)
[pid  5048] <... mount resumed>)        = 0
[pid  5045] futex(0x7f9970b497ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5041] <... futex resumed>)        = 0
[pid  5045] futex(0x7f9970b497a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5041] futex(0x7f9970b497a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5045] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5041] <... futex resumed>)        = 0
[pid  5045] open("./file2", O_RDONLY <unfinished ...>
[pid  5041] futex(0x7f9970b497ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5052] futex(0x7f9970b497bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5050] <... mount resumed>)        = 0
[   58.259965][ T5053] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[   58.264828][ T5040] NILFS (loop3): discard dirty block: blocknr=0, size=1024
[   58.279227][ T5054] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[   58.281711][ T5037] NILFS error (device loop5): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   58.293990][ T5045] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[pid  5048] openat(AT_FDCWD, "./file2", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid  5052] <... futex resumed>)        = 0
[pid  5050] openat(AT_FDCWD, "./file2", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid  5048] <... openat resumed>)       = 3
[pid  5036] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid  5052] futex(0x7f9970b497b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5050] <... openat resumed>)       = 3
[pid  5049] <... mount resumed>)        = 0
[pid  5048] chdir("./file2" <unfinished ...>
[   58.300793][ T5040] NILFS (loop3): discard dirty block: blocknr=0, size=1024
[   58.311282][ T5035] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   58.317130][ T5037] NILFS error (device loop5): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   58.326284][ T5055] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[   58.336967][ T5040] NILFS (loop3): discard dirty block: blocknr=0, size=1024
[pid  5036] futex(0x7f9970b497b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5052] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5050] chdir("./file2" <unfinished ...>
[pid  5049] openat(AT_FDCWD, "./file2", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid  5048] <... chdir resumed>)        = 0
[pid  5036] <... futex resumed>)        = 0
[pid  5052] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 <unfinished ...>
[pid  5050] <... chdir resumed>)        = 0
[pid  5049] <... openat resumed>)       = 3
[pid  5048] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid  5036] futex(0x7f9970b497bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5052] <... open resumed>)         = -1 EROFS (Read-only file system)
[pid  5048] <... ioctl resumed>)        = 0
[pid  5052] futex(0x7f9970b497bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5050] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid  5049] chdir("./file2" <unfinished ...>
[pid  5048] close(4 <unfinished ...>
[pid  5052] <... futex resumed>)        = 1
[pid  5050] <... ioctl resumed>)        = 0
[pid  5036] <... futex resumed>)        = 0
[pid  5048] <... close resumed>)        = 0
[pid  5052] sendfile(-1, -1, NULL, 281474978811909 <unfinished ...>
[pid  5050] close(4 <unfinished ...>
[pid  5049] <... chdir resumed>)        = 0
[pid  5048] futex(0x7f9970b497ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5041] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid  5036] futex(0x7f9970b497b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5041] futex(0x7f9970b497bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5041] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f996872e000
[pid  5041] mprotect(0x7f996872f000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5041] 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, parent_tid=[5056], tls=0x7f996874e700, child_tidptr=0x7f996874e9d0) = 5056
[pid  5041] futex(0x7f9970b497b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5041] futex(0x7f9970b497bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5056 attached
 <unfinished ...>
[pid  5056] set_robust_list(0x7f996874e9e0, 24) = 0
[pid  5056] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000) = -1 EROFS (Read-only file system)
[pid  5056] futex(0x7f9970b497bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5052] <... sendfile resumed>)     = -1 EBADF (Bad file descriptor)
[pid  5050] <... close resumed>)        = 0
[pid  5049] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid  5048] <... futex resumed>)        = 1
[pid  5043] <... futex resumed>)        = 0
[pid  5036] <... futex resumed>)        = 0
[pid  5043] futex(0x7f9970b497a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5036] futex(0x7f9970b497bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5052] futex(0x7f9970b497bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5050] futex(0x7f9970b497ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5049] <... ioctl resumed>)        = 0
[pid  5048] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 <unfinished ...>
[pid  5052] <... futex resumed>)        = 0
[pid  5050] <... futex resumed>)        = 1
[pid  5049] close(4 <unfinished ...>
[pid  5046] <... futex resumed>)        = 0
[pid  5043] <... futex resumed>)        = 0
[pid  5036] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5052] futex(0x7f9970b497b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5050] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 <unfinished ...>
[pid  5049] <... close resumed>)        = 0
[pid  5048] <... open resumed>)         = 4
[pid  5046] futex(0x7f9970b497a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5043] futex(0x7f9970b497ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5036] futex(0x7f9970b497b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5052] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5050] <... open resumed>)         = 4
[pid  5049] futex(0x7f9970b497ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5048] futex(0x7f9970b497ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5046] <... futex resumed>)        = 0
[pid  5043] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5036] <... futex resumed>)        = 0
[pid  5056] <... futex resumed>)        = 1
[pid  5046] futex(0x7f9970b497ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5043] futex(0x7f9970b497a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5041] <... futex resumed>)        = 0
[pid  5056] futex(0x7f9970b497b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5043] <... futex resumed>)        = 0
[pid  5041] futex(0x7f9970b497b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5056] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5052] ftruncate(-1, 32768 <unfinished ...>
[pid  5050] futex(0x7f9970b497ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5049] <... futex resumed>)        = 1
[pid  5048] <... futex resumed>)        = 0
[pid  5044] <... futex resumed>)        = 0
[pid  5043] futex(0x7f9970b497ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5041] <... futex resumed>)        = 0
[pid  5036] futex(0x7f9970b497bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5056] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 <unfinished ...>
[pid  5052] <... ftruncate resumed>)    = -1 EBADF (Bad file descriptor)
[pid  5050] <... futex resumed>)        = 1
[pid  5049] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 <unfinished ...>
[pid  5048] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 <unfinished ...>
[pid  5046] <... futex resumed>)        = 0
[pid  5044] futex(0x7f9970b497a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5041] futex(0x7f9970b497bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5056] <... open resumed>)         = -1 EROFS (Read-only file system)
[pid  5052] futex(0x7f9970b497bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5050] futex(0x7f9970b497a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5049] <... open resumed>)         = 4
[pid  5048] <... open resumed>)         = 5
[pid  5046] futex(0x7f9970b497a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5044] <... futex resumed>)        = 0
[pid  5056] futex(0x7f9970b497bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5052] <... futex resumed>)        = 1
[pid  5050] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5049] futex(0x7f9970b497ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5048] futex(0x7f9970b497ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5046] <... futex resumed>)        = 0
[pid  5044] futex(0x7f9970b497ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5036] <... futex resumed>)        = 0
[pid  5056] <... futex resumed>)        = 1
[pid  5052] futex(0x7f9970b497b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5050] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 <unfinished ...>
[pid  5049] <... futex resumed>)        = 0
[pid  5048] <... futex resumed>)        = 1
[pid  5046] futex(0x7f9970b497ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5044] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5043] <... futex resumed>)        = 0
[pid  5041] <... futex resumed>)        = 0
[pid  5056] futex(0x7f9970b497b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5050] <... open resumed>)         = 5
[pid  5049] futex(0x7f9970b497a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5048] futex(0x7f9970b497a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5044] futex(0x7f9970b497a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[   58.348259][ T5035] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   58.365509][ T5045] Remounting filesystem read-only
[   58.370687][ T5045] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   58.371538][ T5037] NILFS error (device loop5): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[pid  5043] futex(0x7f9970b497a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5041] futex(0x7f9970b497b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5056] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5050] futex(0x7f9970b497ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5049] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5048] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5044] <... futex resumed>)        = 0
[pid  5043] <... futex resumed>)        = 0
[pid  5041] <... futex resumed>)        = 0
[pid  5056] sendfile(-1, -1, NULL, 281474978811909 <unfinished ...>
[pid  5044] futex(0x7f9970b497ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5043] futex(0x7f9970b497ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5041] futex(0x7f9970b497bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5056] <... sendfile resumed>)     = -1 EBADF (Bad file descriptor)
[pid  5050] <... futex resumed>)        = 1
[pid  5049] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 <unfinished ...>
[pid  5048] ftruncate(5, 33587195 <unfinished ...>
[pid  5046] <... futex resumed>)        = 0
[pid  5056] futex(0x7f9970b497bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5046] futex(0x7f9970b497a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5056] <... futex resumed>)        = 1
[pid  5046] <... futex resumed>)        = 0
[pid  5041] <... futex resumed>)        = 0
[pid  5056] futex(0x7f9970b497b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5046] futex(0x7f9970b497ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5041] futex(0x7f9970b497b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5056] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5041] <... futex resumed>)        = 0
[pid  5056] ftruncate(-1, 32768 <unfinished ...>
[pid  5041] futex(0x7f9970b497bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5056] <... ftruncate resumed>)    = -1 EBADF (Bad file descriptor)
[pid  5056] futex(0x7f9970b497bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5041] <... futex resumed>)        = 0
[pid  5056] futex(0x7f9970b497b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5050] ftruncate(5, 33587195 <unfinished ...>
[pid  5049] <... open resumed>)         = 5
[pid  5048] <... ftruncate resumed>)    = 0
[   58.419910][ T5040] NILFS (loop3): discard dirty block: blocknr=0, size=1024
[   58.423349][ T5045] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   58.438895][ T5040] NILFS (loop3): discard dirty page: offset=12288, ino=18
[   58.444595][ T5035] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   58.447939][ T5037] NILFS error (device loop5): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[pid  5050] <... ftruncate resumed>)    = 0
[pid  5049] futex(0x7f9970b497ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5048] futex(0x7f9970b497ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5044] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid  5043] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid  5044] futex(0x7f9970b497a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5043] futex(0x7f9970b497a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5044] <... futex resumed>)        = 0
[pid  5043] <... futex resumed>)        = 0
[pid  5044] futex(0x7f9970b497ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5043] futex(0x7f9970b497ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5050] futex(0x7f9970b497ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5049] <... futex resumed>)        = 1
[pid  5048] <... futex resumed>)        = 1
[pid  5044] <... futex resumed>)        = 0
[pid  5043] <... futex resumed>)        = 0
[pid  5050] <... futex resumed>)        = 1
[pid  5049] ftruncate(5, 33587195 <unfinished ...>
[pid  5048] open("./file2", O_RDONLY <unfinished ...>
[pid  5050] futex(0x7f9970b497a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5049] <... ftruncate resumed>)    = 0
[pid  5046] <... futex resumed>)        = 0
[pid  5044] futex(0x7f9970b497ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=44000000} <unfinished ...>
[pid  5043] futex(0x7f9970b497ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=44000000} <unfinished ...>
[pid  5046] futex(0x7f9970b497a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5046] futex(0x7f9970b497ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5050] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5049] futex(0x7f9970b497ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5050] open("./file2", O_RDONLY <unfinished ...>
[pid  5049] <... futex resumed>)        = 1
[pid  5044] <... futex resumed>)        = 0
[pid  5044] futex(0x7f9970b497a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[   58.464620][ T5045] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   58.475555][ T5040] NILFS (loop3): discard dirty block: blocknr=0, size=1024
[   58.485282][ T5048] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   58.494426][ T5035] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   58.498748][ T5040] NILFS (loop3): discard dirty block: blocknr=0, size=1024
[pid  5044] futex(0x7f9970b497ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5046] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid  5043] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid  5046] futex(0x7f9970b497bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5043] futex(0x7f9970b497bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5046] <... futex resumed>)        = 0
[pid  5043] <... futex resumed>)        = 0
[pid  5046] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  5043] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  5046] <... mmap resumed>)         = 0x7f996872e000
[pid  5043] <... mmap resumed>)         = 0x7f996872e000
[pid  5046] mprotect(0x7f996872f000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  5043] mprotect(0x7f996872f000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  5046] <... mprotect resumed>)     = 0
[pid  5043] <... mprotect resumed>)     = 0
[pid  5046] 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 <unfinished ...>
[pid  5043] 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 <unfinished ...>
[pid  5046] <... clone resumed>, parent_tid=[5057], tls=0x7f996874e700, child_tidptr=0x7f996874e9d0) = 5057
[pid  5043] <... clone resumed>, parent_tid=[5058], tls=0x7f996874e700, child_tidptr=0x7f996874e9d0) = 5058
[pid  5046] futex(0x7f9970b497b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5043] futex(0x7f9970b497b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5046] <... futex resumed>)        = 0
[pid  5043] <... futex resumed>)        = 0
[pid  5046] futex(0x7f9970b497bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5043] futex(0x7f9970b497bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5049] open("./file2", O_RDONLY./strace-static-x86_64: Process 5058 attached
 <unfinished ...>
[pid  5058] set_robust_list(0x7f996874e9e0, 24 <unfinished ...>
[pid  5044] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[   58.513977][ T5050] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   58.523654][ T5048] Remounting filesystem read-only
[   58.523692][ T5035] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   58.528799][ T5048] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   58.549157][ T5048] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   58.550620][ T5045] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[pid  5058] <... set_robust_list resumed>) = 0
[pid  5044] futex(0x7f9970b497bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5058] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 <unfinished ...>
[pid  5044] <... futex resumed>)        = 0
[pid  5058] <... open resumed>)         = -1 EROFS (Read-only file system)
[pid  5044] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  5058] futex(0x7f9970b497bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5044] <... mmap resumed>)         = 0x7f996872e000
[   58.559939][ T5049] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   58.575463][ T5037] NILFS error (device loop5): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   58.579415][ T5035] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   58.588355][ T5050] Remounting filesystem read-only
[   58.597400][ T5035] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[pid  5058] <... futex resumed>)        = 1
[pid  5046] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid  5044] mprotect(0x7f996872f000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  5043] <... futex resumed>)        = 0
[pid  5058] futex(0x7f9970b497b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5046] futex(0x7f9970b497cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5044] <... mprotect resumed>)     = 0
[pid  5043] futex(0x7f9970b497b8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5057 attached
 <unfinished ...>
[pid  5058] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5046] <... futex resumed>)        = 0
[pid  5044] 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 <unfinished ...>
[pid  5043] <... futex resumed>)        = 0
[pid  5058] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 <unfinished ...>
[pid  5057] set_robust_list(0x7f996874e9e0, 24 <unfinished ...>
[pid  5046] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  5043] futex(0x7f9970b497bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5058] <... open resumed>)         = -1 EROFS (Read-only file system)
[pid  5046] <... mmap resumed>)         = 0x7f996870d000
[pid  5044] <... clone resumed>, parent_tid=[5059], tls=0x7f996874e700, child_tidptr=0x7f996874e9d0) = 5059
[pid  5058] futex(0x7f9970b497bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5057] <... set_robust_list resumed>) = 0
[pid  5046] mprotect(0x7f996870e000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  5044] futex(0x7f9970b497b8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5059 attached
 <unfinished ...>
[pid  5058] <... futex resumed>)        = 1
[pid  5057] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 <unfinished ...>
[pid  5046] <... mprotect resumed>)     = 0
[pid  5044] <... futex resumed>)        = 0
[pid  5043] <... futex resumed>)        = 0
[pid  5058] futex(0x7f9970b497b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5057] <... open resumed>)         = 7
[pid  5046] 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 <unfinished ...>
[   58.612060][ T5035] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   58.612628][ T5049] Remounting filesystem read-only
[   58.621826][ T5035] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   58.637001][ T5049] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   58.637095][ T5049] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   58.637176][ T5049] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[pid  5044] futex(0x7f9970b497bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5043] futex(0x7f9970b497b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5058] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5057] futex(0x7f9970b497bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5043] <... futex resumed>)        = 0
[pid  5058] sendfile(-1, -1, NULL, 281474978811909 <unfinished ...>
[pid  5057] <... futex resumed>)        = 0
[pid  5046] <... clone resumed>, parent_tid=[5060], tls=0x7f996872d700, child_tidptr=0x7f996872d9d0) = 5060
[pid  5043] futex(0x7f9970b497bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5058] <... sendfile resumed>)     = -1 EBADF (Bad file descriptor)
[pid  5057] futex(0x7f9970b497b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5046] futex(0x7f9970b497c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5058] futex(0x7f9970b497bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5046] <... futex resumed>)        = 0
[pid  5058] <... futex resumed>)        = 1
[pid  5046] futex(0x7f9970b497cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5043] <... futex resumed>)        = 0
[pid  5058] futex(0x7f9970b497b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5043] futex(0x7f9970b497b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5058] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5043] <... futex resumed>)        = 0
[pid  5058] ftruncate(-1, 32768 <unfinished ...>
[pid  5043] futex(0x7f9970b497bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5059] set_robust_list(0x7f996874e9e0, 24 <unfinished ...>
[pid  5058] <... ftruncate resumed>)    = -1 EBADF (Bad file descriptor)
./strace-static-x86_64: Process 5060 attached
[pid  5059] <... set_robust_list resumed>) = 0
[pid  5058] futex(0x7f9970b497bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5043] <... futex resumed>)        = 0
[   58.637254][ T5049] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   58.637374][ T5049] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   58.637507][ T5049] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   58.637584][ T5049] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   58.637663][ T5049] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[pid  5058] futex(0x7f9970b497b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5044] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid  5060] set_robust_list(0x7f996872d9e0, 24 <unfinished ...>
[pid  5059] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 <unfinished ...>
[   58.637738][ T5049] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   58.647429][ T5035] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   58.682353][ T5050] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   58.687290][ T5040] NILFS (loop3): discard dirty block: blocknr=0, size=1024
[   58.698114][ T5048] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   58.706193][ T5049] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[pid  5046] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid  5044] futex(0x7f9970b497cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5035] <... open resumed>)         = 6
[pid  5046] futex(0x7f9970b497b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5044] <... futex resumed>)        = 0
[pid  5057] <... futex resumed>)        = 0
[pid  5046] <... futex resumed>)        = 1
[pid  5044] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  5057] sendfile(7, -1, NULL, 281474978811909 <unfinished ...>
[pid  5046] futex(0x7f9970b497bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5044] <... mmap resumed>)         = 0x7f996870d000
[pid  5057] <... sendfile resumed>)     = -1 EBADF (Bad file descriptor)
[pid  5044] mprotect(0x7f996870e000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  5057] futex(0x7f9970b497bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5044] <... mprotect resumed>)     = 0
[pid  5057] <... futex resumed>)        = 1
[pid  5046] <... futex resumed>)        = 0
[pid  5044] 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 <unfinished ...>
[pid  5057] futex(0x7f9970b497b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5046] futex(0x7f9970b497b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5057] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5046] <... futex resumed>)        = 0
[pid  5044] <... clone resumed>, parent_tid=[5061], tls=0x7f996872d700, child_tidptr=0x7f996872d9d0) = 5061
[pid  5057] ftruncate(7, 32768 <unfinished ...>
[pid  5046] futex(0x7f9970b497bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5044] futex(0x7f9970b497c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5057] <... ftruncate resumed>)    = 0
[pid  5044] <... futex resumed>)        = 0
[pid  5057] futex(0x7f9970b497bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5044] futex(0x7f9970b497cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5061 attached
 <unfinished ...>
[pid  5057] <... futex resumed>)        = 1
[pid  5046] <... futex resumed>)        = 0
[pid  5061] set_robust_list(0x7f996872d9e0, 24 <unfinished ...>
[pid  5057] futex(0x7f9970b497b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5061] <... set_robust_list resumed>) = 0
[pid  5061] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000) = -1 EROFS (Read-only file system)
[pid  5061] futex(0x7f9970b497cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5044] <... futex resumed>)        = 0
[pid  5061] sendfile(-1, -1, NULL, 281474978811909 <unfinished ...>
[pid  5044] futex(0x7f9970b497c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5061] <... sendfile resumed>)     = -1 EBADF (Bad file descriptor)
[pid  5044] <... futex resumed>)        = 0
[pid  5061] futex(0x7f9970b497cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5044] futex(0x7f9970b497cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5061] <... futex resumed>)        = 0
[pid  5044] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5061] futex(0x7f9970b497c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5044] futex(0x7f9970b497c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5061] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5044] <... futex resumed>)        = 0
[pid  5061] ftruncate(-1, 32768 <unfinished ...>
[pid  5044] futex(0x7f9970b497cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5061] <... ftruncate resumed>)    = -1 EBADF (Bad file descriptor)
[pid  5061] futex(0x7f9970b497cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5044] <... futex resumed>)        = 0
[pid  5061] futex(0x7f9970b497c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5060] <... set_robust_list resumed>) = 0
[pid  5059] <... open resumed>)         = -1 EROFS (Read-only file system)
[   58.721801][ T5037] NILFS error (device loop5): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   58.725807][ T5040] NILFS (loop3): discard dirty block: blocknr=0, size=1024
[   58.734663][   T27] audit: type=1800 audit(1686455694.614:8): pid=5035 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed comm="syz-executor116" name="file2" dev="loop3" ino=16 res=0 errno=0
[   58.744741][ T5049] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[pid  5035] futex(0x7f9970b497ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5060] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 <unfinished ...>
[pid  5059] futex(0x7f9970b497bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5035] <... futex resumed>)        = 0
[pid  5060] <... open resumed>)         = -1 EROFS (Read-only file system)
[pid  5059] <... futex resumed>)        = 0
[pid  5035] futex(0x7f9970b497a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5060] futex(0x7f9970b497cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5059] futex(0x7f9970b497b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5060] <... futex resumed>)        = 0
[   58.799175][ T5050] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   58.809194][ T5040] NILFS (loop3): discard dirty page: offset=16384, ino=18
[   58.821323][ T5037] NILFS error (device loop5): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   58.827871][ T5045] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   58.837964][ T5048] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   58.844774][ T5040] NILFS (loop3): discard dirty block: blocknr=0, size=1024
[   58.871471][ T5045] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   58.872945][ T5037] NILFS error (device loop5): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   58.882041][ T5045] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   58.892955][ T5050] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   58.901178][ T5040] NILFS (loop3): discard dirty block: blocknr=0, size=1024
[   58.911968][ T5048] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   58.917820][ T5045] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   58.928722][ T5037] NILFS error (device loop5): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   58.936885][ T5040] NILFS (loop3): discard dirty block: blocknr=0, size=1024
[   58.947807][ T5048] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   58.953802][ T5049] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   58.964817][ T5050] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   58.973144][ T5045] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   58.992395][ T5040] NILFS (loop3): discard dirty block: blocknr=0, size=1024
[   58.993194][ T5037] NILFS error (device loop5): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   58.999929][ T5040] NILFS (loop3): discard dirty page: offset=20480, ino=18
[   59.017030][ T5049] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   59.027019][ T5045] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   59.037343][ T5049] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   59.038785][ T5048] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   59.047225][ T5040] NILFS (loop3): discard dirty block: blocknr=0, size=1024
[   59.064676][ T5045] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   59.065846][ T5050] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   59.074743][ T5049] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   59.094086][ T5045] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   59.095173][ T5037] NILFS error (device loop5): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   59.104166][ T5040] NILFS (loop3): discard dirty block: blocknr=0, size=1024
[   59.115581][ T5050] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   59.121004][ T5048] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   59.132377][ T5037] NILFS error (device loop5): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   59.140886][ T5045] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[pid  5060] futex(0x7f9970b497c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5049] <... open resumed>)         = 6
[pid  5049] futex(0x7f9970b497ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5044] exit_group(0 <unfinished ...>
[pid  5059] <... futex resumed>)        = ?
[pid  5044] <... exit_group resumed>)   = ?
[pid  5061] <... futex resumed>)        = ?
[   59.150061][   T27] audit: type=1800 audit(1686455695.024:9): pid=5049 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed comm="syz-executor116" name="file2" dev="loop1" ino=16 res=0 errno=0
[   59.159399][ T5040] NILFS (loop3): discard dirty block: blocknr=0, size=1024
[   59.180747][ T5050] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   59.186574][ T5048] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   59.197379][ T5050] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   59.206889][ T5045] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[pid  5061] +++ exited with 0 +++
[pid  5059] +++ exited with 0 +++
[pid  5049] +++ exited with 0 +++
[pid  5044] +++ exited with 0 +++
[pid  5037] <... open resumed>)         = 6
[pid  5037] futex(0x7f9970b497ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5044, si_uid=0, si_status=0, si_utime=0, si_stime=26 /* 0.26 s */} ---
[pid  5001] umount2("./1", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5001] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid  5001] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid  5001] getdents64(3, 0x555555b84620 /* 4 entries */, 32768) = 112
[pid  5001] umount2("./1/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5001] lstat("./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid  5001] unlink("./1/binderfs")      = 0
[   59.217113][ T5050] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   59.226450][ T5040] NILFS (loop3): discard dirty block: blocknr=0, size=1024
[   59.241183][ T5048] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   59.241363][ T5040] NILFS (loop3): discard dirty page: offset=24576, ino=18
[pid  5001] umount2("./1/file2", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5037] <... futex resumed>)        = 0
[pid  5037] futex(0x7f9970b497a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5036] exit_group(0 <unfinished ...>
[pid  5052] <... futex resumed>)        = ?
[pid  5037] <... futex resumed>)        = ?
[pid  5036] <... exit_group resumed>)   = ?
[pid  5052] +++ exited with 0 +++
[pid  5037] +++ exited with 0 +++
[   59.241720][   T27] audit: type=1800 audit(1686455695.114:10): pid=5037 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed comm="syz-executor116" name="file2" dev="loop5" ino=16 res=0 errno=0
[   59.279019][ T5040] NILFS (loop3): discard dirty block: blocknr=0, size=1024
[   59.279201][ T5001] NILFS (loop1): disposed unprocessed dirty file(s) when detaching log writer
[   59.286628][ T5045] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   59.305766][ T5040] NILFS (loop3): discard dirty block: blocknr=0, size=1024
[   59.314629][ T5050] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[pid  5036] +++ exited with 0 +++
[pid  5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5036, si_uid=0, si_status=0, si_utime=0, si_stime=25 /* 0.25 s */} ---
[pid  5005] umount2("./1", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5005] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid  5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid  5005] getdents64(3, 0x555555b84620 /* 4 entries */, 32768) = 112
[pid  5005] umount2("./1/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5005] lstat("./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid  5005] unlink("./1/binderfs" <unfinished ...>
[pid  5045] <... open resumed>)         = 6
[pid  5005] <... unlink resumed>)       = 0
[pid  5005] umount2("./1/file2", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[   59.315369][ T5040] NILFS (loop3): discard dirty block: blocknr=0, size=1024
[   59.332533][ T5048] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   59.334241][   T27] audit: type=1800 audit(1686455695.224:11): pid=5045 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed comm="syz-executor116" name="file2" dev="loop2" ino=16 res=0 errno=0
[   59.342730][ T5040] NILFS (loop3): discard dirty block: blocknr=0, size=1024
[pid  5045] futex(0x7f9970b497ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5041] exit_group(0)               = ?
[pid  5056] <... futex resumed>)        = ?
[pid  5056] +++ exited with 0 +++
[   59.363281][ T5050] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   59.369106][ T5048] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   59.380913][ T5050] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   59.388665][ T5001] NILFS (loop1): discard dirty page: offset=0, ino=2
[   59.399053][ T5005] NILFS (loop5): disposed unprocessed dirty file(s) when detaching log writer
[   59.404431][ T5040] NILFS (loop3): discard dirty page: offset=28672, ino=18
[pid  5045] +++ exited with 0 +++
[pid  5041] +++ exited with 0 +++
[pid  5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5041, si_uid=0, si_status=0, si_utime=0, si_stime=24 /* 0.24 s */} ---
[pid  5002] umount2("./1", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5002] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid  5002] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid  5002] getdents64(3, 0x555555b84620 /* 4 entries */, 32768) = 112
[pid  5002] umount2("./1/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5002] lstat("./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid  5002] unlink("./1/binderfs")      = 0
[   59.415774][ T5005] NILFS (loop5): discard dirty page: offset=0, ino=2
[   59.421143][ T5045] syz-executor116 (5045) used greatest stack depth: 16512 bytes left
[   59.429393][ T5050] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   59.437459][ T5001] NILFS (loop1): discard dirty block: blocknr=18, size=1024
[   59.453435][ T5048] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   59.454470][ T5005] NILFS (loop5): discard dirty block: blocknr=18, size=1024
[   59.463537][ T5040] NILFS (loop3): discard dirty block: blocknr=0, size=1024
[   59.471846][ T5005] NILFS (loop5): discard dirty block: blocknr=18446744073709551615, size=1024
[   59.478145][ T5048] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   59.488397][ T5002] NILFS (loop2): disposed unprocessed dirty file(s) when detaching log writer
[   59.496454][ T5001] NILFS (loop1): discard dirty block: blocknr=18446744073709551615, size=1024
[   59.506383][ T5050] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   59.524527][ T5040] NILFS (loop3): discard dirty block: blocknr=0, size=1024
[   59.524937][ T5002] NILFS (loop2): discard dirty page: offset=0, ino=2
[   59.538747][ T5040] NILFS (loop3): discard dirty block: blocknr=0, size=1024
[   59.539603][ T5005] NILFS (loop5): discard dirty block: blocknr=18446744073709551615, size=1024
[   59.546479][ T5048] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   59.555759][ T5050] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[pid  5002] umount2("./1/file2", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5048] <... open resumed>)         = 6
[pid  5050] <... open resumed>)         = 6
[pid  5050] futex(0x7f9970b497ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5050] futex(0x7f9970b497a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5048] futex(0x7f9970b497ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5043] exit_group(0 <unfinished ...>
[pid  5058] <... futex resumed>)        = ?
[pid  5043] <... exit_group resumed>)   = ?
[pid  5058] +++ exited with 0 +++
[   59.564930][ T5001] NILFS (loop1): discard dirty block: blocknr=18446744073709551615, size=1024
[   59.574897][ T5002] NILFS (loop2): discard dirty block: blocknr=18, size=1024
[   59.583345][ T5040] NILFS (loop3): discard dirty block: blocknr=0, size=1024
[   59.591081][ T5002] NILFS (loop2): discard dirty block: blocknr=18446744073709551615, size=1024
[   59.598139][ T5001] NILFS (loop1): discard dirty block: blocknr=18446744073709551615, size=1024
[   59.609941][ T5002] NILFS (loop2): discard dirty block: blocknr=18446744073709551615, size=1024
[   59.616713][ T5040] general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN
[   59.625893][ T5002] NILFS (loop2): discard dirty block: blocknr=18446744073709551615, size=1024
[   59.636247][ T5040] KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
[   59.636262][ T5040] CPU: 0 PID: 5040 Comm: syz-executor116 Not tainted 6.4.0-rc5-syzkaller-00305-g022ce8862dff #0
[   59.636278][ T5040] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023
[   59.636286][ T5040] RIP: 0010:nilfs_clear_dirty_page+0xa9/0x1130
[   59.636332][ T5040] Code: 48 89 d8 48 c1 e8 03 42 80 3c 30 00 74 08 48 89 df e8 1b 38 97 fe 48 8b 1b 48 89 d8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 48 89 df e8 f9 37 97 fe 4c 8b 2b 49 8d 5d 28 48
[   59.645919][ T5002] NILFS (loop2): discard dirty page: offset=0, ino=6
[   59.653716][ T5040] RSP: 0018:ffffc90003d2f2e0 EFLAGS: 00010246
[   59.653735][ T5040] RAX: 0000000000000000 RBX: 0000000000000000 RCX: dffffc0000000000
[   59.653745][ T5040] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea0001cb1900
[   59.653754][ T5040] RBP: ffffc90003d2f3b0 R08: ffffffff834bef29 R09: fffff94000396321
[   59.653766][ T5040] R10: 0000000000000000 R11: dffffc0000000001 R12: ffffea0001cb1900
[   59.664576][ T5002] NILFS (loop2): discard dirty block: blocknr=35, size=1024
[   59.674177][ T5040] R13: 0000000000000000 R14: dffffc0000000000 R15: dffffc0000000000
[   59.674191][ T5040] FS:  00007f996874e700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
[   59.674204][ T5040] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   59.674215][ T5040] CR2: 000055fe30356e00 CR3: 000000002995d000 CR4: 00000000003506f0
[   59.674228][ T5040] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   59.674236][ T5040] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   59.674245][ T5040] Call Trace:
[   59.674251][ T5040]  <TASK>
[   59.674258][ T5040]  ? __die_body+0x5e/0xa0
[   59.674276][ T5040]  ? die_addr+0x99/0xc0
[   59.674289][ T5040]  ? exc_general_protection+0x3c2/0x5b0
[   59.674313][ T5040]  ? asm_exc_general_protection+0x26/0x30
[   59.674333][ T5040]  ? folio_lock+0x99/0x1a0
[   59.674347][ T5040]  ? nilfs_clear_dirty_page+0xa9/0x1130
[   59.681024][ T5001] NILFS (loop1): discard dirty page: offset=0, ino=6
[   59.700271][ T5040]  ? filemap_get_folios_contig+0xb80/0xb80
[   59.700298][ T5040]  ? nilfs_clear_dirty_pages+0x370/0x370
[   59.700318][ T5040]  nilfs_clear_dirty_pages+0x1e0/0x370
[   59.700334][ T5040]  ? nilfs_copy_back_pages+0x9d0/0x9d0
[   59.700352][ T5040]  ? __lock_acquire+0x1316/0x2070
[   59.700375][ T5040]  nilfs_writepages+0x11c/0x160
[   59.707526][ T5002] NILFS (loop2): discard dirty block: blocknr=36, size=1024
[   59.713074][ T5040]  ? nilfs_read_folio+0x20/0x20
[   59.713099][ T5040]  do_writepages+0x3a6/0x670
[   59.713123][ T5040]  ? folio_nr_pages+0x1c0/0x1c0
[   59.721497][ T5002] NILFS (loop2): discard dirty block: blocknr=37, size=1024
[   59.729028][ T5040]  ? filemap_fdatawrite_wbc+0x11a/0x180
[   59.737547][ T5002] NILFS (loop2): discard dirty block: blocknr=38, size=1024
[   59.745285][ T5040]  ? do_raw_spin_lock+0x14d/0x3a0
[   59.745312][ T5040]  ? __lock_acquire+0x2070/0x2070
[   59.745333][ T5040]  ? do_raw_spin_unlock+0x13b/0x8b0
[   59.753048][ T5001] NILFS (loop1): discard dirty block: blocknr=35, size=1024
[   59.760540][ T5040]  ? wbc_attach_and_unlock_inode+0xbe/0x560
[   59.760567][ T5040]  filemap_fdatawrite_wbc+0x125/0x180
[   59.770091][ T5002] NILFS (loop2): discard dirty page: offset=4096, ino=6
[   59.776210][ T5040]  filemap_write_and_wait_range+0x1d4/0x2c0
[   59.776232][ T5040]  ? xas_next_entry+0x3d0/0x3d0
[   59.776250][ T5040]  ? iter_file_splice_write+0xe4b/0xfe0
[   59.776269][ T5040]  generic_file_read_iter+0x19e/0x540
[   59.784686][ T5001] NILFS (loop1): discard dirty block: blocknr=36, size=1024
[   59.792182][ T5040]  generic_file_splice_read+0x240/0x640
[   59.792201][ T5040]  ? splice_from_pipe+0x230/0x230
[   59.792218][ T5040]  ? direct_splice_read+0xa10/0xa10
[   59.800501][ T5001] NILFS (loop1): discard dirty block: blocknr=37, size=1024
[   59.803437][ T5040]  ? splice_from_pipe+0x230/0x230
[   59.803460][ T5040]  ? fsnotify_perm+0x42f/0x590
[   59.803482][ T5040]  splice_direct_to_actor+0x40c/0xbd0
[   59.803503][ T5040]  ? do_splice_direct+0x3d0/0x3d0
[   59.806937][ T5001] NILFS (loop1): discard dirty block: blocknr=38, size=1024
[   59.810706][ T5040]  ? pipe_to_sendpage+0x350/0x350
[   59.810727][ T5040]  ? fsnotify_perm+0x67/0x590
[   59.815404][ T5002] NILFS (loop2): discard dirty block: blocknr=39, size=1024
[   59.820370][ T5040]  ? bpf_lsm_file_permission+0x9/0x10
[   59.820393][ T5040]  do_splice_direct+0x283/0x3d0
[   59.826528][ T5001] NILFS (loop1): discard dirty page: offset=4096, ino=6
[   59.830556][ T5040]  ? splice_direct_to_actor+0xbd0/0xbd0
[   59.830574][ T5040]  ? rcu_read_lock_any_held+0xb7/0x160
[   59.836515][ T5002] NILFS (loop2): discard dirty block: blocknr=18446744073709551615, size=1024
[   59.842738][ T5040]  do_sendfile+0x620/0xff0
[   59.842760][ T5040]  ? ptrace_stop+0x75a/0x970
[   59.842781][ T5040]  ? do_pwritev+0x360/0x360
[   59.842795][ T5040]  ? _raw_spin_unlock_irq+0x2e/0x50
[   59.842812][ T5040]  ? ptrace_notify+0x278/0x380
[   59.842828][ T5040]  __se_sys_sendfile64+0x17c/0x1e0
[   59.849107][ T5001] NILFS (loop1): discard dirty block: blocknr=39, size=1024
[   59.854212][ T5040]  ? __x64_sys_sendfile64+0xb0/0xb0
[   59.854231][ T5040]  ? syscall_enter_from_user_mode+0x32/0x230
[   59.854253][ T5040]  ? syscall_enter_from_user_mode+0x8c/0x230
[   59.860201][ T5002] NILFS (loop2): discard dirty block: blocknr=18446744073709551615, size=1024
[   59.865122][ T5040]  do_syscall_64+0x41/0xc0
[   59.865141][ T5040]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[   59.865167][ T5040] RIP: 0033:0x7f9970ac36f9
[   59.870707][ T5001] NILFS (loop1): discard dirty block: blocknr=18446744073709551615, size=1024
[   59.874987][ T5040] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 15 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[   59.875001][ T5040] RSP: 002b:00007f996874e2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
[   59.875020][ T5040] RAX: ffffffffffffffda RBX: 00007f9970b497b0 RCX: 00007f9970ac36f9
[   59.875031][ T5040] RDX: 0000000000000000 RSI: 0000000000000008 RDI: 0000000000000007
[   59.875041][ T5040] RBP: 00007f9970b15b1c R08: 0000000000000000 R09: 0000000000000000
[pid  5046] exit_group(0 <unfinished ...>
[pid  5060] <... futex resumed>)        = ?
[pid  5046] <... exit_group resumed>)   = ?
[pid  5060] +++ exited with 0 +++
[pid  5050] <... futex resumed>)        = ?
[pid  5057] <... futex resumed>)        = ?
[pid  5050] +++ exited with 0 +++
[pid  5048] <... futex resumed>)        = ?
[pid  5057] +++ exited with 0 +++
[pid  5046] +++ exited with 0 +++
[pid  5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5046, si_uid=0, si_status=0, si_utime=0, si_stime=32 /* 0.32 s */} ---
[pid  5048] +++ exited with 0 +++
[pid  5043] +++ exited with 0 +++
[pid  5000] umount2("./1", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5043, si_uid=0, si_status=0, si_utime=0, si_stime=32 /* 0.32 s */} ---
[pid  5004] umount2("./1", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5000] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[   59.882847][ T5002] NILFS (loop2): discard dirty block: blocknr=18446744073709551615, size=1024
[   59.887108][ T5040] R10: 0001000000201005 R11: 0000000000000246 R12: 00007f9970b150c0
[   59.887121][ T5040] R13: 00000000200026c0 R14: 0032656c69662f2e R15: 00007f9970b497b8
[   59.887139][ T5040]  </TASK>
[   60.255525][ T5040] Modules linked in:
[   60.267285][ T5005] NILFS (loop5): discard dirty block: blocknr=18446744073709551615, size=1024
[pid  5004] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5002] <... umount2 resumed>)      = 0
[pid  5000] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5004] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5000] <... openat resumed>)       = 3
[pid  5004] <... openat resumed>)       = 3
[pid  5000] fstat(3,  <unfinished ...>
[pid  5004] fstat(3,  <unfinished ...>
[pid  5002] umount2("./1/file2", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid  5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid  5000] getdents64(3, 0x555555b84620 /* 4 entries */, 32768) = 112
[pid  5004] getdents64(3,  <unfinished ...>
[pid  5002] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5004] <... getdents64 resumed>0x555555b84620 /* 4 entries */, 32768) = 112
[pid  5000] umount2("./1/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5004] umount2("./1/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5002] lstat("./1/file2",  <unfinished ...>
[pid  5000] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5000] lstat("./1/binderfs",  <unfinished ...>
[pid  5004] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5002] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid  5004] lstat("./1/binderfs",  <unfinished ...>
[pid  5000] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid  5004] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid  5001] <... umount2 resumed>)      = 0
[pid  5000] unlink("./1/binderfs" <unfinished ...>
[pid  5004] unlink("./1/binderfs" <unfinished ...>
[pid  5001] umount2("./1/file2", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5004] <... unlink resumed>)       = 0
[pid  5001] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5000] <... unlink resumed>)       = 0
[   60.276946][ T5001] NILFS (loop1): discard dirty block: blocknr=18446744073709551615, size=1024
[   60.291682][ T5005] NILFS (loop5): discard dirty page: offset=0, ino=6
[   60.298372][ T5005] NILFS (loop5): discard dirty block: blocknr=35, size=1024
[   60.305804][ T5001] NILFS (loop1): discard dirty block: blocknr=18446744073709551615, size=1024
[   60.306214][ T5005] NILFS (loop5): discard dirty block: blocknr=36, size=1024
[   60.321539][ T5040] ---[ end trace 0000000000000000 ]---
[pid  5002] umount2("./1/file2", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5002] openat(AT_FDCWD, "./1/file2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid  5002] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid  5002] getdents64(4, 0x555555b8c660 /* 2 entries */, 32768) = 48
[pid  5002] getdents64(4, 0x555555b8c660 /* 0 entries */, 32768) = 0
[pid  5004] umount2("./1/file2", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5001] lstat("./1/file2",  <unfinished ...>
[pid  5000] umount2("./1/file2", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5001] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid  5002] close(4)                    = 0
[pid  5002] rmdir("./1/file2")          = 0
[pid  5002] getdents64(3, 0x555555b84620 /* 0 entries */, 32768) = 0
[pid  5002] close(3)                    = 0
[pid  5002] rmdir("./1")                = 0
[pid  5002] mkdir("./2", 0777)          = 0
[pid  5002] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3
[pid  5002] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  5002] close(3 <unfinished ...>
[pid  5001] umount2("./1/file2", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5002] <... close resumed>)        = 0
[pid  5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555b835d0) = 5062
[   60.328242][ T5040] RIP: 0010:nilfs_clear_dirty_page+0xa9/0x1130
[   60.334658][ T5040] Code: 48 89 d8 48 c1 e8 03 42 80 3c 30 00 74 08 48 89 df e8 1b 38 97 fe 48 8b 1b 48 89 d8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 48 89 df e8 f9 37 97 fe 4c 8b 2b 49 8d 5d 28 48
[   60.355266][ T5040] RSP: 0018:ffffc90003d2f2e0 EFLAGS: 00010246
[   60.361572][ T5004] NILFS (loop4): disposed unprocessed dirty file(s) when detaching log writer
[   60.367880][ T5005] NILFS (loop5): discard dirty block: blocknr=37, size=1024
[pid  5001] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5001] openat(AT_FDCWD, "./1/file2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 5062 attached
) = 4
[pid  5062] set_robust_list(0x555555b835e0, 24 <unfinished ...>
[pid  5001] fstat(4,  <unfinished ...>
[pid  5062] <... set_robust_list resumed>) = 0
[pid  5062] chdir("./2" <unfinished ...>
[pid  5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[   60.370886][ T5004] NILFS (loop4): discard dirty page: offset=0, ino=2
[   60.384751][ T5040] RAX: 0000000000000000 RBX: 0000000000000000 RCX: dffffc0000000000
[   60.393076][ T5000] NILFS (loop0): disposed unprocessed dirty file(s) when detaching log writer
[   60.393248][ T5040] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea0001cb1900
[   60.403447][ T5000] NILFS (loop0): discard dirty page: offset=0, ino=2
[   60.410400][ T5004] NILFS (loop4): discard dirty block: blocknr=18, size=1024
[pid  5062] <... chdir resumed>)        = 0
[pid  5001] getdents64(4,  <unfinished ...>
[pid  5062] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5001] <... getdents64 resumed>0x555555b8c660 /* 2 entries */, 32768) = 48
[pid  5062] <... prctl resumed>)        = 0
[pid  5001] getdents64(4,  <unfinished ...>
[pid  5062] setpgid(0, 0 <unfinished ...>
[pid  5001] <... getdents64 resumed>0x555555b8c660 /* 0 entries */, 32768) = 0
[   60.424789][ T5040] RBP: ffffc90003d2f3b0 R08: ffffffff834bef29 R09: fffff94000396321
[   60.425300][ T5005] NILFS (loop5): discard dirty block: blocknr=38, size=1024
[   60.432929][ T5004] NILFS (loop4): discard dirty block: blocknr=18446744073709551615, size=1024
[   60.450059][ T5005] NILFS (loop5): discard dirty page: offset=4096, ino=6
[   60.450185][ T5040] R10: 0000000000000000 R11: dffffc0000000001 R12: ffffea0001cb1900
[   60.457867][ T5000] NILFS (loop0): discard dirty block: blocknr=18, size=1024
[pid  5062] <... setpgid resumed>)      = 0
[pid  5001] close(4 <unfinished ...>
[pid  5062] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5001] <... close resumed>)        = 0
[pid  5062] <... openat resumed>)       = 3
[   60.465265][ T5004] NILFS (loop4): discard dirty block: blocknr=18446744073709551615, size=1024
[   60.473185][ T5005] NILFS (loop5): discard dirty block: blocknr=39, size=1024
[   60.481464][ T5040] R13: 0000000000000000 R14: dffffc0000000000 R15: dffffc0000000000
[   60.489266][ T5005] NILFS (loop5): discard dirty block: blocknr=18446744073709551615, size=1024
[   60.497366][ T5040] FS:  00007f996874e700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
[   60.506275][ T5000] NILFS (loop0): discard dirty block: blocknr=18446744073709551615, size=1024
[pid  5001] rmdir("./1/file2" <unfinished ...>
[pid  5062] write(3, "1000", 4 <unfinished ...>
[pid  5001] <... rmdir resumed>)        = 0
[pid  5062] <... write resumed>)        = 4
[pid  5001] getdents64(3,  <unfinished ...>
[pid  5062] close(3 <unfinished ...>
[pid  5001] <... getdents64 resumed>0x555555b84620 /* 0 entries */, 32768) = 0
[pid  5062] <... close resumed>)        = 0
[   60.515170][ T5004] NILFS (loop4): discard dirty block: blocknr=18446744073709551615, size=1024
[   60.524081][ T5005] NILFS (loop5): discard dirty block: blocknr=18446744073709551615, size=1024
[   60.532659][ T5040] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   60.541832][ T5000] NILFS (loop0): discard dirty block: blocknr=18446744073709551615, size=1024
[   60.547930][ T5004] NILFS (loop4): discard dirty page: offset=0, ino=6
[   60.563523][ T5040] CR2: 00007f9970b1500a CR3: 000000002995d000 CR4: 00000000003506e0
[   60.571859][ T5004] NILFS (loop4): discard dirty block: blocknr=35, size=1024
[pid  5001] close(3 <unfinished ...>
[pid  5062] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5001] <... close resumed>)        = 0
[pid  5001] rmdir("./1" <unfinished ...>
[pid  5062] <... symlink resumed>)      = 0
[pid  5001] <... rmdir resumed>)        = 0
[pid  5062] futex(0x7f9970b497ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5001] mkdir("./2", 0777 <unfinished ...>
[pid  5062] <... futex resumed>)        = 0
[pid  5062] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  5001] <... mkdir resumed>)        = 0
[pid  5062] <... mmap resumed>)         = 0x7f9970a4f000
[   60.573136][ T5005] NILFS (loop5): discard dirty block: blocknr=18446744073709551615, size=1024
[   60.580296][ T5004] NILFS (loop4): discard dirty block: blocknr=36, size=1024
[   60.596995][ T5000] NILFS (loop0): discard dirty block: blocknr=18446744073709551615, size=1024
[   60.597507][ T5040] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   60.614743][ T5000] NILFS (loop0): discard dirty page: offset=0, ino=6
[   60.614832][ T5004] NILFS (loop4): discard dirty block: blocknr=37, size=1024
[pid  5001] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5034] exit_group(0 <unfinished ...>
[pid  5047] <... futex resumed>)        = ?
[pid  5035] <... futex resumed>)        = ?
[pid  5034] <... exit_group resumed>)   = ?
[pid  5047] +++ exited with 0 +++
[pid  5035] +++ exited with 0 +++
[pid  5062] mprotect(0x7f9970a50000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  5001] <... openat resumed>)       = 3
[pid  5062] <... mprotect resumed>)     = 0
[pid  5001] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5005] <... umount2 resumed>)      = 0
[pid  5005] umount2("./1/file2", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5005] lstat("./1/file2", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid  5005] umount2("./1/file2", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5005] openat(AT_FDCWD, "./1/file2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid  5062] 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 <unfinished ...>
[pid  5001] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5001] close(3 <unfinished ...>
[pid  5062] <... clone resumed>, parent_tid=[5063], tls=0x7f9970a6f700, child_tidptr=0x7f9970a6f9d0) = 5063
[pid  5062] futex(0x7f9970b497a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5001] <... close resumed>)        = 0
[pid  5062] <... futex resumed>)        = 0
[pid  5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5064 attached
 <unfinished ...>
[pid  5062] futex(0x7f9970b497ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  5064] set_robust_list(0x555555b835e0, 24 <unfinished ...>
[pid  5001] <... clone resumed>, child_tidptr=0x555555b835d0) = 5064
[pid  5064] <... set_robust_list resumed>) = 0
[pid  5005] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid  5005] getdents64(4, 0x555555b8c660 /* 2 entries */, 32768) = 48
[pid  5005] getdents64(4, 0x555555b8c660 /* 0 entries */, 32768) = 0
[pid  5005] close(4)                    = 0
[   60.629148][ T5040] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   60.637640][ T5004] NILFS (loop4): discard dirty block: blocknr=38, size=1024
[   60.646738][ T5004] NILFS (loop4): discard dirty page: offset=4096, ino=6
[   60.654166][ T5040] Kernel panic - not syncing: Fatal exception
[   60.660468][ T5040] Kernel Offset: disabled
[   60.664788][ T5040] Rebooting in 86400 seconds..