./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor492933902 <...> Warning: Permanently added '10.128.0.67' (ED25519) to the list of known hosts. execve("./syz-executor492933902", ["./syz-executor492933902"], 0x7ffe09f38e20 /* 10 vars */) = 0 brk(NULL) = 0x55558519e000 brk(0x55558519ed00) = 0x55558519ed00 arch_prctl(ARCH_SET_FS, 0x55558519e380) = 0 set_tid_address(0x55558519e650) = 5825 set_robust_list(0x55558519e660, 24) = 0 rseq(0x55558519eca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor492933902", 4096) = 27 getrandom("\xd3\xce\x7a\xf6\x76\x3b\x67\x3f", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55558519ed00 brk(0x5555851bfd00) = 0x5555851bfd00 brk(0x5555851c0000) = 0x5555851c0000 mprotect(0x7f1d5b921000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558519e650) = 5826 ./strace-static-x86_64: Process 5826 attached [pid 5825] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5826] set_robust_list(0x55558519e660, 24./strace-static-x86_64: Process 5827 attached [pid 5825] <... clone resumed>, child_tidptr=0x55558519e650) = 5827 [pid 5825] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5827] set_robust_list(0x55558519e660, 24 [pid 5826] <... set_robust_list resumed>) = 0 [pid 5827] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 5828 attached [pid 5827] mkdir("./syzkaller.AzrPe2", 0700 [pid 5826] mkdir("./syzkaller.7sMJMe", 0700 [pid 5828] set_robust_list(0x55558519e660, 24 [pid 5825] <... clone resumed>, child_tidptr=0x55558519e650) = 5828 [pid 5828] <... set_robust_list resumed>) = 0 [pid 5825] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5829 attached [pid 5828] mkdir("./syzkaller.UDG4tS", 0700 [pid 5827] <... mkdir resumed>) = 0 [pid 5825] <... clone resumed>, child_tidptr=0x55558519e650) = 5829 [pid 5829] set_robust_list(0x55558519e660, 24 [pid 5827] chmod("./syzkaller.AzrPe2", 0777 [pid 5826] <... mkdir resumed>) = 0 [pid 5825] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5828] <... mkdir resumed>) = 0 [pid 5829] <... set_robust_list resumed>) = 0 [pid 5827] <... chmod resumed>) = 0 [pid 5826] chmod("./syzkaller.7sMJMe", 0777./strace-static-x86_64: Process 5830 attached [pid 5829] mkdir("./syzkaller.vyRKMo", 0700 [pid 5828] chmod("./syzkaller.UDG4tS", 0777 [pid 5825] <... clone resumed>, child_tidptr=0x55558519e650) = 5830 [pid 5830] set_robust_list(0x55558519e660, 24 [pid 5828] <... chmod resumed>) = 0 [pid 5825] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5828] chdir("./syzkaller.UDG4tS" [pid 5827] chdir("./syzkaller.AzrPe2" [pid 5826] <... chmod resumed>) = 0 [pid 5827] <... chdir resumed>) = 0 ./strace-static-x86_64: Process 5831 attached [pid 5830] <... set_robust_list resumed>) = 0 [pid 5829] <... mkdir resumed>) = 0 [pid 5828] <... chdir resumed>) = 0 [pid 5827] mkdir("./0", 0777 [pid 5826] chdir("./syzkaller.7sMJMe" [pid 5831] set_robust_list(0x55558519e660, 24 [pid 5830] getrandom( [pid 5825] <... clone resumed>, child_tidptr=0x55558519e650) = 5831 [pid 5831] <... set_robust_list resumed>) = 0 [pid 5830] <... getrandom resumed>"\x1a\x99\x11\xd3\x5e\x34\x4b\xc4", 8, GRND_NONBLOCK) = 8 [pid 5829] chmod("./syzkaller.vyRKMo", 0777 [pid 5828] mkdir("./0", 0777 [pid 5826] <... chdir resumed>) = 0 [pid 5831] mkdir("./syzkaller.AKZOKM", 0700 [pid 5826] mkdir("./0", 0777 [pid 5828] <... mkdir resumed>) = 0 [pid 5830] mkdir("./syzkaller.eddUKc", 0700 [pid 5829] <... chmod resumed>) = 0 [pid 5827] <... mkdir resumed>) = 0 [pid 5826] <... mkdir resumed>) = 0 [pid 5830] <... mkdir resumed>) = 0 [pid 5829] chdir("./syzkaller.vyRKMo" [pid 5828] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5826] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5831] <... mkdir resumed>) = 0 [pid 5830] chmod("./syzkaller.eddUKc", 0777 [pid 5829] <... chdir resumed>) = 0 [pid 5828] <... openat resumed>) = 3 [pid 5827] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5831] chmod("./syzkaller.AKZOKM", 0777 [pid 5828] ioctl(3, LOOP_CLR_FD [pid 5831] <... chmod resumed>) = 0 [pid 5830] <... chmod resumed>) = 0 [pid 5829] mkdir("./0", 0777 [pid 5826] <... openat resumed>) = 3 [pid 5831] chdir("./syzkaller.AKZOKM" [pid 5830] chdir("./syzkaller.eddUKc" [pid 5828] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5827] <... openat resumed>) = 3 [pid 5831] <... chdir resumed>) = 0 [pid 5830] <... chdir resumed>) = 0 [pid 5829] <... mkdir resumed>) = 0 [pid 5827] ioctl(3, LOOP_CLR_FD [pid 5826] ioctl(3, LOOP_CLR_FD [pid 5831] mkdir("./0", 0777 [pid 5828] close(3 [pid 5831] <... mkdir resumed>) = 0 [pid 5830] mkdir("./0", 0777 [pid 5828] <... close resumed>) = 0 [pid 5827] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5831] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5830] <... mkdir resumed>) = 0 [pid 5829] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5826] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5827] close(3 [pid 5830] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5826] close(3 [pid 5827] <... close resumed>) = 0 [pid 5826] <... close resumed>) = 0 ./strace-static-x86_64: Process 5832 attached [pid 5831] <... openat resumed>) = 3 [pid 5830] <... openat resumed>) = 3 [pid 5829] <... openat resumed>) = 3 [pid 5827] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] ioctl(3, LOOP_CLR_FD [pid 5831] ioctl(3, LOOP_CLR_FD [pid 5829] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5831] <... ioctl resumed>) = -1 ENXIO (No such device or address) ./strace-static-x86_64: Process 5835 attached ./strace-static-x86_64: Process 5833 attached [pid 5832] set_robust_list(0x55558519e660, 24 [pid 5830] ioctl(3, LOOP_CLR_FD [pid 5829] close(3 [pid 5828] <... clone resumed>, child_tidptr=0x55558519e650) = 5832 [pid 5832] <... set_robust_list resumed>) = 0 [pid 5833] set_robust_list(0x55558519e660, 24 [pid 5831] close(3 [pid 5830] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5829] <... close resumed>) = 0 [pid 5833] <... set_robust_list resumed>) = 0 [pid 5832] chdir("./0" [pid 5831] <... close resumed>) = 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5827] <... clone resumed>, child_tidptr=0x55558519e650) = 5835 [pid 5835] set_robust_list(0x55558519e660, 24 [pid 5833] chdir("./0" [pid 5832] <... chdir resumed>) = 0 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5830] close(3 [pid 5826] <... clone resumed>, child_tidptr=0x55558519e650) = 5833 ./strace-static-x86_64: Process 5836 attached ./strace-static-x86_64: Process 5837 attached [pid 5835] <... set_robust_list resumed>) = 0 [pid 5833] <... chdir resumed>) = 0 [pid 5832] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5833] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5833] setpgid(0, 0 [pid 5835] chdir("./0" [pid 5833] <... setpgid resumed>) = 0 [pid 5832] <... prctl resumed>) = 0 [pid 5837] set_robust_list(0x55558519e660, 24 [pid 5836] set_robust_list(0x55558519e660, 24 [pid 5835] <... chdir resumed>) = 0 [pid 5833] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5837] <... set_robust_list resumed>) = 0 [pid 5836] <... set_robust_list resumed>) = 0 [pid 5835] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5832] setpgid(0, 0 [pid 5830] <... close resumed>) = 0 [pid 5835] <... prctl resumed>) = 0 [pid 5837] chdir("./0" [pid 5836] chdir("./0" [pid 5835] setpgid(0, 0 [pid 5833] <... openat resumed>) = 3 [pid 5832] <... setpgid resumed>) = 0 [pid 5831] <... clone resumed>, child_tidptr=0x55558519e650) = 5837 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] <... clone resumed>, child_tidptr=0x55558519e650) = 5836 [pid 5833] write(3, "1000", 4 [pid 5837] <... chdir resumed>) = 0 [pid 5835] <... setpgid resumed>) = 0 [pid 5833] <... write resumed>) = 4 [pid 5832] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5833] close(3./strace-static-x86_64: Process 5838 attached [pid 5836] <... chdir resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 5838] set_robust_list(0x55558519e660, 24 [pid 5837] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5836] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5835] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5833] symlink("/dev/binderfs", "./binderfs" [pid 5838] <... set_robust_list resumed>) = 0 [pid 5837] <... prctl resumed>) = 0 [pid 5836] <... prctl resumed>) = 0 [pid 5833] <... symlink resumed>) = 0 [pid 5838] chdir("./0" [pid 5832] <... openat resumed>) = 3 [pid 5835] <... openat resumed>) = 3 [pid 5836] setpgid(0, 0 [pid 5832] write(3, "1000", 4 [pid 5838] <... chdir resumed>) = 0 [pid 5837] setpgid(0, 0 [pid 5836] <... setpgid resumed>) = 0 [pid 5835] write(3, "1000", 4 [pid 5833] write(1, "executing program\n", 18 [pid 5832] <... write resumed>) = 4 [pid 5830] <... clone resumed>, child_tidptr=0x55558519e650) = 5838 [pid 5838] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5837] <... setpgid resumed>) = 0 [pid 5832] close(3 [pid 5835] <... write resumed>) = 4 [pid 5832] <... close resumed>) = 0 [pid 5835] close(3executing program [pid 5838] <... prctl resumed>) = 0 [pid 5837] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5836] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5835] <... close resumed>) = 0 [pid 5833] <... write resumed>) = 18 [pid 5832] symlink("/dev/binderfs", "./binderfs" [pid 5838] setpgid(0, 0 [pid 5833] memfd_create("syzkaller", 0 [pid 5838] <... setpgid resumed>) = 0 [pid 5836] <... openat resumed>) = 3 [pid 5835] symlink("/dev/binderfs", "./binderfs" [pid 5838] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5833] <... memfd_create resumed>) = 3 [pid 5832] <... symlink resumed>) = 0 [pid 5838] <... openat resumed>) = 3 executing program executing program [pid 5837] <... openat resumed>) = 3 [pid 5836] write(3, "1000", 4 [pid 5835] <... symlink resumed>) = 0 [pid 5833] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5837] write(3, "1000", 4 [pid 5836] <... write resumed>) = 4 [pid 5835] write(1, "executing program\n", 18 [pid 5832] write(1, "executing program\n", 18 [pid 5837] <... write resumed>) = 4 [pid 5836] close(3 [pid 5835] <... write resumed>) = 18 [pid 5832] <... write resumed>) = 18 [pid 5838] write(3, "1000", 4 [pid 5836] <... close resumed>) = 0 [pid 5833] <... mmap resumed>) = 0x7f1d53400000 [pid 5838] <... write resumed>) = 4 [pid 5837] close(3 [pid 5836] symlink("/dev/binderfs", "./binderfs" [pid 5835] memfd_create("syzkaller", 0 [pid 5832] memfd_create("syzkaller", 0 [pid 5837] <... close resumed>) = 0 [pid 5837] symlink("/dev/binderfs", "./binderfs" [pid 5836] <... symlink resumed>) = 0 [pid 5838] close(3 [pid 5837] <... symlink resumed>) = 0 [pid 5836] write(1, "executing program\n", 18executing program ) = 18 [pid 5838] <... close resumed>) = 0 [pid 5838] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 5837] write(1, "executing program\n", 18 [pid 5836] memfd_create("syzkaller", 0 [pid 5835] <... memfd_create resumed>) = 3 [pid 5832] <... memfd_create resumed>) = 3 [pid 5837] <... write resumed>) = 18 [pid 5835] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5836] <... memfd_create resumed>) = 3 [pid 5832] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5837] memfd_create("syzkaller", 0 [pid 5832] <... mmap resumed>) = 0x7f1d53400000 [pid 5836] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5835] <... mmap resumed>) = 0x7f1d53400000 executing program [pid 5838] write(1, "executing program\n", 18) = 18 [pid 5838] memfd_create("syzkaller", 0) = 3 [pid 5838] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1d53400000 [pid 5836] <... mmap resumed>) = 0x7f1d53400000 [pid 5837] <... memfd_create resumed>) = 3 [pid 5837] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1d53400000 [pid 5833] 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"..., 16777216 [pid 5838] 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"..., 16777216 [pid 5837] 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"..., 16777216 [pid 5836] 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"..., 16777216 [pid 5832] 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"..., 16777216 [pid 5835] 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"..., 16777216 [pid 5833] <... write resumed>) = 16777216 [pid 5833] munmap(0x7f1d53400000, 138412032) = 0 [pid 5833] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5833] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5833] close(3) = 0 [pid 5833] close(4) = 0 [ 75.766468][ T5833] loop0: detected capacity change from 0 to 32768 [ 75.806253][ T5833] ======================================================= [pid 5833] mkdir("./file0", 0777) = 0 [pid 5833] mount("/dev/loop0", "./file0", "jfs", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME|MS_POSIXACL|MS_LAZYTIME, "noquota,iocharset=iso8859-5,discard,integrity,nointegrity,nodiscard,quota" [pid 5838] <... write resumed>) = 16777216 [pid 5835] <... write resumed>) = 16777216 [pid 5835] munmap(0x7f1d53400000, 138412032 [pid 5838] munmap(0x7f1d53400000, 138412032 [pid 5835] <... munmap resumed>) = 0 [ 75.806253][ T5833] WARNING: The mand mount option has been deprecated and [ 75.806253][ T5833] and is ignored by this kernel. Remove the mand [ 75.806253][ T5833] option from the mount to silence this warning. [ 75.806253][ T5833] ======================================================= [pid 5835] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5833] <... mount resumed>) = 0 [pid 5835] <... openat resumed>) = 4 [pid 5835] ioctl(4, LOOP_SET_FD, 3 [pid 5833] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5833] chdir("./file0") = 0 [pid 5833] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5833] exit_group(0) = ? [pid 5833] +++ exited with 0 +++ [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5833, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=26 /* 0.26 s */} --- [pid 5826] restart_syscall(<... resuming interrupted clone ...> [pid 5838] <... munmap resumed>) = 0 [pid 5835] <... ioctl resumed>) = 0 [pid 5835] close(3) = 0 [pid 5835] close(4 [pid 5826] <... restart_syscall resumed>) = 0 [pid 5826] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5826] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5826] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5826] getdents64(3, 0x55558519f6f0 /* 4 entries */, 32768) = 112 [pid 5826] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5826] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5837] <... write resumed>) = 16777216 [pid 5835] <... close resumed>) = 0 [pid 5826] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] mkdir("./file0", 0777 [pid 5826] unlink("./0/binderfs" [pid 5836] <... write resumed>) = 16777216 [pid 5835] <... mkdir resumed>) = 0 [pid 5826] <... unlink resumed>) = 0 [pid 5826] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5837] munmap(0x7f1d53400000, 138412032 [pid 5836] munmap(0x7f1d53400000, 138412032 [pid 5835] mount("/dev/loop1", "./file0", "jfs", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME|MS_POSIXACL|MS_LAZYTIME, "noquota,iocharset=iso8859-5,discard,integrity,nointegrity,nodiscard,quota" [pid 5838] <... openat resumed>) = 4 [ 75.891073][ T5835] loop1: detected capacity change from 0 to 32768 [pid 5838] ioctl(4, LOOP_SET_FD, 3 [pid 5826] <... umount2 resumed>) = 0 [pid 5838] <... ioctl resumed>) = 0 [pid 5826] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] close(3) = 0 [pid 5826] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] close(4 [pid 5826] newfstatat(AT_FDCWD, "./0/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5826] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5838] <... close resumed>) = 0 [pid 5836] <... munmap resumed>) = 0 [pid 5826] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5838] mkdir("./file0", 0777 [pid 5826] <... openat resumed>) = 4 [pid 5826] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5826] getdents64(4, 0x5555851a7730 /* 2 entries */, 32768) = 48 [pid 5838] <... mkdir resumed>) = 0 [pid 5837] <... munmap resumed>) = 0 [pid 5836] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5835] <... mount resumed>) = 0 [pid 5832] <... write resumed>) = 16777216 [pid 5826] getdents64(4, [pid 5838] mount("/dev/loop4", "./file0", "jfs", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME|MS_POSIXACL|MS_LAZYTIME, "noquota,iocharset=iso8859-5,discard,integrity,nointegrity,nodiscard,quota" [pid 5826] <... getdents64 resumed>0x5555851a7730 /* 0 entries */, 32768) = 0 [pid 5835] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5826] close(4 [pid 5837] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5836] <... openat resumed>) = 4 [pid 5835] <... openat resumed>) = 3 [ 75.937564][ T5838] loop4: detected capacity change from 0 to 32768 [pid 5832] munmap(0x7f1d53400000, 138412032 [pid 5826] <... close resumed>) = 0 [pid 5838] <... mount resumed>) = 0 [pid 5837] <... openat resumed>) = 4 [pid 5836] ioctl(4, LOOP_SET_FD, 3 [pid 5835] chdir("./file0" [pid 5826] rmdir("./0/file0" [pid 5838] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5835] <... chdir resumed>) = 0 [pid 5826] <... rmdir resumed>) = 0 [pid 5835] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5826] getdents64(3, [pid 5838] <... openat resumed>) = 3 [pid 5835] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5826] <... getdents64 resumed>0x55558519f6f0 /* 0 entries */, 32768) = 0 [pid 5838] chdir("./file0" [pid 5835] exit_group(0 [pid 5826] close(3 [pid 5838] <... chdir resumed>) = 0 [pid 5835] <... exit_group resumed>) = ? [pid 5826] <... close resumed>) = 0 [pid 5838] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5835] +++ exited with 0 +++ [pid 5826] rmdir("./0" [pid 5838] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5837] ioctl(4, LOOP_SET_FD, 3 [pid 5827] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5835, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=22 /* 0.22 s */} --- [pid 5826] <... rmdir resumed>) = 0 [pid 5838] exit_group(0 [pid 5827] restart_syscall(<... resuming interrupted clone ...> [pid 5826] mkdir("./1", 0777 [pid 5838] <... exit_group resumed>) = ? [pid 5827] <... restart_syscall resumed>) = 0 [pid 5826] <... mkdir resumed>) = 0 [pid 5838] +++ exited with 0 +++ [pid 5826] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5838, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=20 /* 0.20 s */} --- [pid 5827] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5826] ioctl(3, LOOP_CLR_FD [pid 5827] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5826] <... ioctl resumed>) = 0 [pid 5827] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5826] close(3 [pid 5832] <... munmap resumed>) = 0 [pid 5830] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5827] <... openat resumed>) = 3 [pid 5836] <... ioctl resumed>) = 0 [pid 5827] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5827] getdents64(3, 0x55558519f6f0 /* 4 entries */, 32768) = 112 [pid 5827] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5827] newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5827] unlink("./0/binderfs") = 0 [pid 5827] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5836] close(3) = 0 [pid 5830] <... openat resumed>) = 3 [pid 5830] newfstatat(3, "", [pid 5836] close(4 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5836] <... close resumed>) = 0 [pid 5837] <... ioctl resumed>) = 0 [pid 5836] mkdir("./file0", 0777 [pid 5837] close(3 [pid 5830] getdents64(3, [pid 5837] <... close resumed>) = 0 [pid 5836] <... mkdir resumed>) = 0 [pid 5832] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5830] <... getdents64 resumed>0x55558519f6f0 /* 4 entries */, 32768) = 112 [ 75.992157][ T5836] loop3: detected capacity change from 0 to 32768 [ 76.000933][ T5837] loop5: detected capacity change from 0 to 32768 [pid 5837] close(4) = 0 [pid 5836] mount("/dev/loop3", "./file0", "jfs", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME|MS_POSIXACL|MS_LAZYTIME, "noquota,iocharset=iso8859-5,discard,integrity,nointegrity,nodiscard,quota" [pid 5832] <... openat resumed>) = 4 [pid 5830] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] mkdir("./file0", 0777 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] <... mkdir resumed>) = 0 [pid 5830] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5832] ioctl(4, LOOP_SET_FD, 3 [pid 5837] mount("/dev/loop5", "./file0", "jfs", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME|MS_POSIXACL|MS_LAZYTIME, "noquota,iocharset=iso8859-5,discard,integrity,nointegrity,nodiscard,quota" [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] <... ioctl resumed>) = 0 [pid 5830] unlink("./0/binderfs" [pid 5832] close(3 [pid 5830] <... unlink resumed>) = 0 [pid 5830] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... close resumed>) = 0 [pid 5827] <... umount2 resumed>) = 0 [pid 5832] close(4) = 0 [pid 5832] mkdir("./file0", 0777) = 0 [pid 5837] <... mount resumed>) = 0 [pid 5837] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5837] chdir("./file0") = 0 [pid 5837] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5837] exit_group(0) = ? [pid 5827] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] +++ exited with 0 +++ [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5837, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=23 /* 0.23 s */} --- [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 5827] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] <... mount resumed>) = 0 [pid 5832] mount("/dev/loop2", "./file0", "jfs", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME|MS_POSIXACL|MS_LAZYTIME, "noquota,iocharset=iso8859-5,discard,integrity,nointegrity,nodiscard,quota" [pid 5831] <... restart_syscall resumed>) = 0 [pid 5830] <... umount2 resumed>) = 0 [pid 5827] newfstatat(AT_FDCWD, "./0/file0", [pid 5831] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5836] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5831] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] <... openat resumed>) = 3 [pid 5831] <... openat resumed>) = 3 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(3, "", [pid 5830] newfstatat(AT_FDCWD, "./0/file0", [pid 5836] chdir("./file0") = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5836] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5831] getdents64(3, [pid 5830] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... mount resumed>) = 0 [pid 5836] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5832] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5831] <... getdents64 resumed>0x55558519f6f0 /* 4 entries */, 32768) = 112 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] <... openat resumed>) = 3 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5827] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./0/binderfs" [pid 5827] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... openat resumed>) = 4 [pid 5832] chdir("./file0" [pid 5830] newfstatat(4, "", [pid 5832] <... chdir resumed>) = 0 [pid 5832] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5831] <... unlink resumed>) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5827] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5831] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5827] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] exit_group(0 [pid 5830] getdents64(4, [pid 5827] <... openat resumed>) = 4 [ 76.045446][ T5832] loop2: detected capacity change from 0 to 32768 [pid 5836] exit_group(0 [pid 5832] <... exit_group resumed>) = ? [pid 5830] <... getdents64 resumed>0x5555851a7730 /* 2 entries */, 32768) = 48 [pid 5827] newfstatat(4, "", [pid 5832] +++ exited with 0 +++ [pid 5831] <... umount2 resumed>) = 0 [pid 5830] getdents64(4, [pid 5831] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... getdents64 resumed>0x5555851a7730 /* 0 entries */, 32768) = 0 [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5832, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=25 /* 0.25 s */} --- [pid 5827] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5836] <... exit_group resumed>) = ? [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] close(4 [pid 5831] newfstatat(AT_FDCWD, "./0/file0", [pid 5827] getdents64(4, [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5828] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5828] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5827] <... getdents64 resumed>0x5555851a7730 /* 2 entries */, 32768) = 48 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5828] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5836] +++ exited with 0 +++ [pid 5831] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5828] <... openat resumed>) = 3 [pid 5827] getdents64(4, [pid 5831] <... openat resumed>) = 4 [pid 5830] <... close resumed>) = 0 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5836, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=21 /* 0.21 s */} --- [pid 5828] newfstatat(3, "", [pid 5831] newfstatat(4, "", [pid 5830] rmdir("./0/file0" [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 5828] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5827] <... getdents64 resumed>0x5555851a7730 /* 0 entries */, 32768) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5828] getdents64(3, [pid 5831] getdents64(4, [pid 5830] <... rmdir resumed>) = 0 [pid 5828] <... getdents64 resumed>0x55558519f6f0 /* 4 entries */, 32768) = 112 [pid 5827] close(4 [pid 5831] <... getdents64 resumed>0x5555851a7730 /* 2 entries */, 32768) = 48 [pid 5830] getdents64(3, [pid 5828] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] getdents64(4, [pid 5830] <... getdents64 resumed>0x55558519f6f0 /* 0 entries */, 32768) = 0 [pid 5828] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5827] <... close resumed>) = 0 [pid 5831] <... getdents64 resumed>0x5555851a7730 /* 0 entries */, 32768) = 0 [pid 5830] close(3 [pid 5828] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5827] rmdir("./0/file0" [pid 5831] close(4 [pid 5830] <... close resumed>) = 0 [pid 5828] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5827] <... rmdir resumed>) = 0 [pid 5831] <... close resumed>) = 0 [pid 5830] rmdir("./0" [pid 5828] unlink("./0/binderfs" [pid 5827] getdents64(3, [pid 5831] rmdir("./0/file0" [pid 5828] <... unlink resumed>) = 0 [pid 5827] <... getdents64 resumed>0x55558519f6f0 /* 0 entries */, 32768) = 0 [pid 5831] <... rmdir resumed>) = 0 [pid 5830] <... rmdir resumed>) = 0 [pid 5828] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5827] close(3 [pid 5831] getdents64(3, [pid 5830] mkdir("./1", 0777 [pid 5827] <... close resumed>) = 0 [pid 5831] <... getdents64 resumed>0x55558519f6f0 /* 0 entries */, 32768) = 0 [pid 5827] rmdir("./0" [pid 5831] close(3 [pid 5830] <... mkdir resumed>) = 0 [pid 5829] <... restart_syscall resumed>) = 0 [pid 5827] <... rmdir resumed>) = 0 [pid 5831] <... close resumed>) = 0 [pid 5830] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5827] mkdir("./1", 0777 [pid 5831] rmdir("./0" [pid 5830] <... openat resumed>) = 3 [pid 5827] <... mkdir resumed>) = 0 [pid 5831] <... rmdir resumed>) = 0 [pid 5830] ioctl(3, LOOP_CLR_FD [pid 5829] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5827] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5828] <... umount2 resumed>) = 0 [pid 5831] mkdir("./1", 0777 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5828] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5827] <... openat resumed>) = 3 [pid 5831] <... mkdir resumed>) = 0 [pid 5830] <... ioctl resumed>) = 0 [pid 5829] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5828] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5827] ioctl(3, LOOP_CLR_FD [pid 5831] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5830] close(3 [pid 5829] <... openat resumed>) = 3 [pid 5828] newfstatat(AT_FDCWD, "./0/file0", [pid 5827] <... ioctl resumed>) = 0 [pid 5831] <... openat resumed>) = 3 [pid 5831] ioctl(3, LOOP_CLR_FD [pid 5829] newfstatat(3, "", [pid 5828] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5827] close(3 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5828] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] getdents64(3, [pid 5828] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... getdents64 resumed>0x55558519f6f0 /* 4 entries */, 32768) = 112 [pid 5828] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5828] <... openat resumed>) = 4 [pid 5831] <... ioctl resumed>) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] close(3 [pid 5829] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5828] newfstatat(4, "", [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5828] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] unlink("./0/binderfs" [pid 5828] getdents64(4, [pid 5829] <... unlink resumed>) = 0 [pid 5828] <... getdents64 resumed>0x5555851a7730 /* 2 entries */, 32768) = 48 [pid 5829] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5828] getdents64(4, 0x5555851a7730 /* 0 entries */, 32768) = 0 [pid 5828] close(4) = 0 [pid 5828] rmdir("./0/file0") = 0 [pid 5828] getdents64(3, 0x55558519f6f0 /* 0 entries */, 32768) = 0 [pid 5828] close(3) = 0 [pid 5828] rmdir("./0") = 0 [pid 5828] mkdir("./1", 0777) = 0 [pid 5828] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5828] ioctl(3, LOOP_CLR_FD) = 0 [pid 5828] close(3 [pid 5829] <... umount2 resumed>) = 0 [pid 5829] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5829] newfstatat(AT_FDCWD, "./0/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5829] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5829] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] getdents64(4, 0x5555851a7730 /* 2 entries */, 32768) = 48 [pid 5829] getdents64(4, 0x5555851a7730 /* 0 entries */, 32768) = 0 [pid 5829] close(4) = 0 [pid 5829] rmdir("./0/file0") = 0 [pid 5829] getdents64(3, 0x55558519f6f0 /* 0 entries */, 32768) = 0 [pid 5829] close(3) = 0 [pid 5829] rmdir("./0") = 0 [pid 5829] mkdir("./1", 0777) = 0 [pid 5829] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5829] ioctl(3, LOOP_CLR_FD) = 0 [pid 5826] <... close resumed>) = 0 [pid 5829] close(3 [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558519e650) = 5842 ./strace-static-x86_64: Process 5842 attached [pid 5830] <... close resumed>) = 0 [pid 5842] set_robust_list(0x55558519e660, 24) = 0 [pid 5842] chdir("./1") = 0 [pid 5842] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5843 attached [pid 5843] set_robust_list(0x55558519e660, 24) = 0 [pid 5843] chdir("./1" [pid 5830] <... clone resumed>, child_tidptr=0x55558519e650) = 5843 [pid 5843] <... chdir resumed>) = 0 [pid 5843] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5843] setpgid(0, 0) = 0 [pid 5843] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5843] write(3, "1000", 4 [pid 5842] setpgid(0, 0 [pid 5843] <... write resumed>) = 4 [pid 5842] <... setpgid resumed>) = 0 [pid 5843] close(3) = 0 [pid 5843] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5843] write(1, "executing program\n", 18executing program [pid 5842] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program [pid 5843] <... write resumed>) = 18 [pid 5842] <... openat resumed>) = 3 [pid 5842] write(3, "1000", 4) = 4 [pid 5842] close(3) = 0 [pid 5842] symlink("/dev/binderfs", "./binderfs" [pid 5843] memfd_create("syzkaller", 0 [pid 5842] <... symlink resumed>) = 0 [pid 5843] <... memfd_create resumed>) = 3 [pid 5842] write(1, "executing program\n", 18 [pid 5843] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5842] <... write resumed>) = 18 [pid 5843] <... mmap resumed>) = 0x7f1d53400000 [pid 5842] memfd_create("syzkaller", 0) = 3 [pid 5842] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1d53400000 [pid 5827] <... close resumed>) = 0 [pid 5827] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5844 attached [pid 5844] set_robust_list(0x55558519e660, 24) = 0 [pid 5827] <... clone resumed>, child_tidptr=0x55558519e650) = 5844 [pid 5844] chdir("./1") = 0 [pid 5844] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5844] setpgid(0, 0) = 0 [pid 5844] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5844] write(3, "1000", 4) = 4 [pid 5844] close(3) = 0 [pid 5844] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5844] write(1, "executing program\n", 18executing program ) = 18 [pid 5844] memfd_create("syzkaller", 0) = 3 [pid 5844] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1d53400000 [pid 5831] <... close resumed>) = 0 [pid 5828] <... close resumed>) = 0 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5845 attached [pid 5845] set_robust_list(0x55558519e660, 24) = 0 [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5845] chdir("./1"./strace-static-x86_64: Process 5846 attached ) = 0 [pid 5828] <... clone resumed>, child_tidptr=0x55558519e650) = 5846 [pid 5845] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5846] set_robust_list(0x55558519e660, 24 [pid 5845] <... prctl resumed>) = 0 [pid 5846] <... set_robust_list resumed>) = 0 [pid 5846] chdir("./1" [pid 5845] setpgid(0, 0) = 0 [pid 5846] <... chdir resumed>) = 0 [pid 5846] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5845] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5846] <... prctl resumed>) = 0 [pid 5831] <... clone resumed>, child_tidptr=0x55558519e650) = 5845 [pid 5846] setpgid(0, 0 [pid 5845] <... openat resumed>) = 3 [pid 5846] <... setpgid resumed>) = 0 [pid 5845] write(3, "1000", 4 [pid 5846] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5845] <... write resumed>) = 4 [pid 5845] close(3) = 0 [pid 5845] symlink("/dev/binderfs", "./binderfs" [pid 5846] <... openat resumed>) = 3 executing program [pid 5846] write(3, "1000", 4 [pid 5845] <... symlink resumed>) = 0 [pid 5846] <... write resumed>) = 4 [pid 5845] write(1, "executing program\n", 18 [pid 5846] close(3 [pid 5845] <... write resumed>) = 18 [pid 5846] <... close resumed>) = 0 [pid 5846] symlink("/dev/binderfs", "./binderfs" [pid 5845] memfd_create("syzkaller", 0 [pid 5846] <... symlink resumed>) = 0 [pid 5845] <... memfd_create resumed>) = 3 [pid 5846] write(1, "executing program\n", 18executing program [pid 5845] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5846] <... write resumed>) = 18 [pid 5846] memfd_create("syzkaller", 0 [pid 5845] <... mmap resumed>) = 0x7f1d53400000 [pid 5846] <... memfd_create resumed>) = 3 [pid 5846] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1d53400000 [pid 5829] <... close resumed>) = 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5847 attached [pid 5843] 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"..., 16777216 [pid 5829] <... clone resumed>, child_tidptr=0x55558519e650) = 5847 [pid 5847] set_robust_list(0x55558519e660, 24) = 0 [pid 5847] chdir("./1") = 0 [pid 5847] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5847] setpgid(0, 0) = 0 [pid 5847] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5847] write(3, "1000", 4) = 4 [pid 5847] close(3) = 0 [pid 5847] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5847] write(1, "executing program\n", 18 [pid 5842] 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"..., 16777216executing program [pid 5847] <... write resumed>) = 18 [pid 5847] memfd_create("syzkaller", 0) = 3 [pid 5847] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5844] 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"..., 16777216 [pid 5847] <... mmap resumed>) = 0x7f1d53400000 [pid 5846] 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"..., 16777216 [pid 5845] 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"..., 16777216 [pid 5847] 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"..., 16777216 [pid 5843] <... write resumed>) = 16777216 [pid 5843] munmap(0x7f1d53400000, 138412032 [pid 5842] <... write resumed>) = 16777216 [pid 5842] munmap(0x7f1d53400000, 138412032 [pid 5843] <... munmap resumed>) = 0 [pid 5843] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 5843] ioctl(4, LOOP_SET_FD, 3 [pid 5842] <... munmap resumed>) = 0 [pid 5843] <... ioctl resumed>) = 0 [pid 5843] close(3 [pid 5842] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5843] <... close resumed>) = 0 [pid 5842] <... openat resumed>) = 4 [pid 5843] close(4 [pid 5842] ioctl(4, LOOP_SET_FD, 3 [pid 5843] <... close resumed>) = 0 [pid 5843] mkdir("./file0", 0777) = 0 [pid 5843] mount("/dev/loop4", "./file0", "jfs", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME|MS_POSIXACL|MS_LAZYTIME, "noquota,iocharset=iso8859-5,discard,integrity,nointegrity,nodiscard,quota" [pid 5842] <... ioctl resumed>) = 0 [pid 5842] close(3) = 0 [pid 5842] close(4) = 0 [pid 5842] mkdir("./file0", 0777) = 0 [pid 5842] mount("/dev/loop0", "./file0", "jfs", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME|MS_POSIXACL|MS_LAZYTIME, "noquota,iocharset=iso8859-5,discard,integrity,nointegrity,nodiscard,quota" [pid 5844] <... write resumed>) = 16777216 [pid 5844] munmap(0x7f1d53400000, 138412032 [pid 5843] <... mount resumed>) = 0 [pid 5843] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5843] chdir("./file0") = 0 [pid 5843] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5842] <... mount resumed>) = 0 [pid 5842] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5843] exit_group(0 [pid 5842] <... openat resumed>) = 3 [ 77.202716][ T5843] loop4: detected capacity change from 0 to 32768 [ 77.225356][ T5842] loop0: detected capacity change from 0 to 32768 [pid 5846] <... write resumed>) = 16777216 [pid 5843] <... exit_group resumed>) = ? [pid 5842] chdir("./file0") = 0 [pid 5842] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5844] <... munmap resumed>) = 0 [pid 5846] munmap(0x7f1d53400000, 138412032 [pid 5843] +++ exited with 0 +++ [pid 5842] exit_group(0 [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5843, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=20 /* 0.20 s */} --- [pid 5830] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5844] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5842] <... exit_group resumed>) = ? [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5844] <... openat resumed>) = 4 [pid 5842] +++ exited with 0 +++ [pid 5830] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5842, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=21 /* 0.21 s */} --- [pid 5830] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5844] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5830] getdents64(3, 0x55558519f6f0 /* 4 entries */, 32768) = 112 [pid 5826] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5826] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./1/binderfs", [pid 5826] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5826] newfstatat(3, "", [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5826] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] unlink("./1/binderfs" [pid 5826] getdents64(3, [pid 5830] <... unlink resumed>) = 0 [pid 5826] <... getdents64 resumed>0x55558519f6f0 /* 4 entries */, 32768) = 112 [pid 5830] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5846] <... munmap resumed>) = 0 [pid 5826] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5826] newfstatat(AT_FDCWD, "./1/binderfs", [pid 5844] close(3) = 0 [pid 5844] close(4) = 0 [pid 5844] mkdir("./file0", 0777 [pid 5826] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] <... mkdir resumed>) = 0 [pid 5844] mount("/dev/loop1", "./file0", "jfs", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME|MS_POSIXACL|MS_LAZYTIME, "noquota,iocharset=iso8859-5,discard,integrity,nointegrity,nodiscard,quota" [pid 5846] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5826] unlink("./1/binderfs") = 0 [pid 5826] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5846] <... openat resumed>) = 4 [ 77.312322][ T5844] loop1: detected capacity change from 0 to 32768 [pid 5846] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5846] close(3) = 0 [pid 5846] close(4) = 0 [pid 5846] mkdir("./file0", 0777) = 0 [pid 5846] mount("/dev/loop2", "./file0", "jfs", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME|MS_POSIXACL|MS_LAZYTIME, "noquota,iocharset=iso8859-5,discard,integrity,nointegrity,nodiscard,quota" [pid 5826] <... umount2 resumed>) = 0 [pid 5826] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5844] <... mount resumed>) = 0 [pid 5844] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5826] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5844] chdir("./file0" [pid 5830] <... umount2 resumed>) = 0 [pid 5826] newfstatat(AT_FDCWD, "./1/file0", [pid 5844] <... chdir resumed>) = 0 [pid 5844] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5844] exit_group(0) = ? [pid 5844] +++ exited with 0 +++ [pid 5830] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5826] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5826] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] newfstatat(AT_FDCWD, "./1/file0", [pid 5827] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5844, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=25 /* 0.25 s */} --- [pid 5826] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5826] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5827] restart_syscall(<... resuming interrupted clone ...> [pid 5830] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5826] <... openat resumed>) = 4 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5826] newfstatat(4, "", [pid 5830] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5827] <... restart_syscall resumed>) = 0 [pid 5826] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(4, 0x5555851a7730 /* 2 entries */, 32768) = 48 [pid 5830] getdents64(4, 0x5555851a7730 /* 0 entries */, 32768) = 0 [pid 5830] close(4) = 0 [pid 5826] getdents64(4, [pid 5830] rmdir("./1/file0" [pid 5846] <... mount resumed>) = 0 [pid 5830] <... rmdir resumed>) = 0 [pid 5826] <... getdents64 resumed>0x5555851a7730 /* 2 entries */, 32768) = 48 [pid 5846] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5827] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5826] getdents64(4, [pid 5846] <... openat resumed>) = 3 [pid 5827] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5826] <... getdents64 resumed>0x5555851a7730 /* 0 entries */, 32768) = 0 [pid 5846] chdir("./file0" [pid 5826] close(4 [pid 5827] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5846] <... chdir resumed>) = 0 [ 77.354977][ T5846] loop2: detected capacity change from 0 to 32768 [pid 5846] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5830] getdents64(3, [pid 5827] <... openat resumed>) = 3 [pid 5826] <... close resumed>) = 0 [pid 5827] newfstatat(3, "", [pid 5826] rmdir("./1/file0" [pid 5827] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5846] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5830] <... getdents64 resumed>0x55558519f6f0 /* 0 entries */, 32768) = 0 [pid 5846] exit_group(0 [pid 5830] close(3 [pid 5827] getdents64(3, [pid 5826] <... rmdir resumed>) = 0 [pid 5846] <... exit_group resumed>) = ? [pid 5830] <... close resumed>) = 0 [pid 5827] <... getdents64 resumed>0x55558519f6f0 /* 4 entries */, 32768) = 112 [pid 5826] getdents64(3, [pid 5846] +++ exited with 0 +++ [pid 5830] rmdir("./1" [pid 5827] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5826] <... getdents64 resumed>0x55558519f6f0 /* 0 entries */, 32768) = 0 [pid 5826] close(3 [pid 5830] <... rmdir resumed>) = 0 [pid 5827] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5826] <... close resumed>) = 0 [pid 5830] mkdir("./2", 0777 [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5846, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=22 /* 0.22 s */} --- [pid 5830] <... mkdir resumed>) = 0 [pid 5827] newfstatat(AT_FDCWD, "./1/binderfs", [pid 5826] rmdir("./1" [pid 5830] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5828] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... openat resumed>) = 3 [pid 5828] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5826] <... rmdir resumed>) = 0 [pid 5827] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5826] mkdir("./2", 0777 [pid 5830] ioctl(3, LOOP_CLR_FD [pid 5828] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] <... ioctl resumed>) = 0 [pid 5828] <... openat resumed>) = 3 [pid 5830] close(3 [pid 5828] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5827] unlink("./1/binderfs" [pid 5826] <... mkdir resumed>) = 0 [pid 5828] getdents64(3, 0x55558519f6f0 /* 4 entries */, 32768) = 112 [pid 5827] <... unlink resumed>) = 0 [pid 5826] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5828] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5826] <... openat resumed>) = 3 [pid 5828] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5826] ioctl(3, LOOP_CLR_FD [pid 5828] newfstatat(AT_FDCWD, "./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5826] <... ioctl resumed>) = 0 [pid 5828] unlink("./1/binderfs") = 0 [pid 5826] close(3 [pid 5828] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5827] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5845] <... write resumed>) = 16777216 [pid 5828] <... umount2 resumed>) = 0 [pid 5845] munmap(0x7f1d53400000, 138412032 [pid 5828] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5828] newfstatat(AT_FDCWD, "./1/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5827] <... umount2 resumed>) = 0 [pid 5828] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5827] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5828] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5827] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5828] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5827] newfstatat(AT_FDCWD, "./1/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5828] <... openat resumed>) = 4 [pid 5827] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5828] newfstatat(4, "", [pid 5827] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5828] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5827] <... openat resumed>) = 4 [pid 5828] getdents64(4, [pid 5827] newfstatat(4, "", [pid 5828] <... getdents64 resumed>0x5555851a7730 /* 2 entries */, 32768) = 48 [pid 5827] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5828] getdents64(4, [pid 5827] getdents64(4, [pid 5828] <... getdents64 resumed>0x5555851a7730 /* 0 entries */, 32768) = 0 [pid 5827] <... getdents64 resumed>0x5555851a7730 /* 2 entries */, 32768) = 48 [pid 5828] close(4) = 0 [pid 5828] rmdir("./1/file0") = 0 [pid 5828] getdents64(3, 0x55558519f6f0 /* 0 entries */, 32768) = 0 [pid 5828] close(3) = 0 [pid 5828] rmdir("./1") = 0 [pid 5845] <... munmap resumed>) = 0 [pid 5828] mkdir("./2", 0777) = 0 [pid 5828] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5827] getdents64(4,