./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3989715250 <...> Warning: Permanently added '10.128.0.123' (ED25519) to the list of known hosts. execve("./syz-executor3989715250", ["./syz-executor3989715250"], 0x7ffd038330f0 /* 10 vars */) = 0 brk(NULL) = 0x55555683c000 brk(0x55555683cd00) = 0x55555683cd00 arch_prctl(ARCH_SET_FS, 0x55555683c380) = 0 set_tid_address(0x55555683c650) = 5062 set_robust_list(0x55555683c660, 24) = 0 rseq(0x55555683cca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3989715250", 4096) = 28 getrandom("\x5c\x99\x79\x8c\x53\xac\xa3\x85", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55555683cd00 brk(0x55555685dd00) = 0x55555685dd00 brk(0x55555685e000) = 0x55555685e000 mprotect(0x7f2089cbc000, 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=0x55555683c650) = 5063 ./strace-static-x86_64: Process 5063 attached [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5063] set_robust_list(0x55555683c660, 24) = 0 ./strace-static-x86_64: Process 5064 attached [pid 5063] mkdir("./syzkaller.4j71LN", 0700 [pid 5064] set_robust_list(0x55555683c660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x55555683c650) = 5064 [pid 5064] <... set_robust_list resumed>) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5064] mkdir("./syzkaller.gXtEPo", 0700./strace-static-x86_64: Process 5065 attached [pid 5062] <... clone resumed>, child_tidptr=0x55555683c650) = 5065 [pid 5064] <... mkdir resumed>) = 0 [pid 5063] <... mkdir resumed>) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5065] set_robust_list(0x55555683c660, 24 [pid 5064] chmod("./syzkaller.gXtEPo", 0777 [pid 5063] chmod("./syzkaller.4j71LN", 0777 [pid 5065] <... set_robust_list resumed>) = 0 [pid 5064] <... chmod resumed>) = 0 [pid 5063] <... chmod resumed>) = 0 [pid 5065] mkdir("./syzkaller.6f7vWC", 0700./strace-static-x86_64: Process 5066 attached [pid 5064] chdir("./syzkaller.gXtEPo" [pid 5063] chdir("./syzkaller.4j71LN" [pid 5062] <... clone resumed>, child_tidptr=0x55555683c650) = 5066 [pid 5066] set_robust_list(0x55555683c660, 24 [pid 5064] <... chdir resumed>) = 0 [pid 5063] <... chdir resumed>) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5064] mkdir("./0", 0777 [pid 5066] <... set_robust_list resumed>) = 0 [pid 5065] <... mkdir resumed>) = 0 [pid 5066] mkdir("./syzkaller.zmBaNL", 0700 [pid 5063] mkdir("./0", 0777 [pid 5064] <... mkdir resumed>) = 0 [pid 5063] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 5067 attached [pid 5067] set_robust_list(0x55555683c660, 24) = 0 [pid 5066] <... mkdir resumed>) = 0 [pid 5062] <... clone resumed>, child_tidptr=0x55555683c650) = 5067 [pid 5065] chmod("./syzkaller.6f7vWC", 0777 [pid 5064] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5066] chmod("./syzkaller.zmBaNL", 0777 [pid 5067] mkdir("./syzkaller.nO7ak3", 0700 [pid 5065] <... chmod resumed>) = 0 [pid 5066] <... chmod resumed>) = 0 [pid 5064] <... openat resumed>) = 3 [pid 5063] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5064] ioctl(3, LOOP_CLR_FD [pid 5066] chdir("./syzkaller.zmBaNL" [pid 5064] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5063] <... openat resumed>) = 3 [pid 5066] <... chdir resumed>) = 0 [pid 5067] <... mkdir resumed>) = 0 [pid 5066] mkdir("./0", 0777 [pid 5065] chdir("./syzkaller.6f7vWC" [pid 5067] chmod("./syzkaller.nO7ak3", 0777 [pid 5065] <... chdir resumed>) = 0 [pid 5064] close(3 [pid 5063] ioctl(3, LOOP_CLR_FD [pid 5067] <... chmod resumed>) = 0 [pid 5066] <... mkdir resumed>) = 0 [pid 5065] mkdir("./0", 0777 [pid 5064] <... close resumed>) = 0 [pid 5063] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5063] close(3 [pid 5067] chdir("./syzkaller.nO7ak3" [pid 5066] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5065] <... mkdir resumed>) = 0 [pid 5064] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5067] <... chdir resumed>) = 0 [pid 5063] <... close resumed>) = 0 [pid 5067] mkdir("./0", 0777 [pid 5063] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5067] <... mkdir resumed>) = 0 [pid 5066] <... openat resumed>) = 3 [pid 5067] openat(AT_FDCWD, "/dev/loop4", O_RDWR./strace-static-x86_64: Process 5069 attached ./strace-static-x86_64: Process 5068 attached [pid 5066] ioctl(3, LOOP_CLR_FD [pid 5065] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5066] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5065] <... openat resumed>) = 3 [pid 5066] close(3 [pid 5067] <... openat resumed>) = 3 [pid 5066] <... close resumed>) = 0 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] set_robust_list(0x55555683c660, 24 [pid 5065] ioctl(3, LOOP_CLR_FD [pid 5068] set_robust_list(0x55555683c660, 24 [pid 5064] <... clone resumed>, child_tidptr=0x55555683c650) = 5069 [pid 5063] <... clone resumed>, child_tidptr=0x55555683c650) = 5068 [pid 5068] <... set_robust_list resumed>) = 0 [pid 5069] <... set_robust_list resumed>) = 0 [pid 5068] chdir("./0" [pid 5065] <... ioctl resumed>) = -1 ENXIO (No such device or address) ./strace-static-x86_64: Process 5071 attached [pid 5069] chdir("./0" [pid 5066] <... clone resumed>, child_tidptr=0x55555683c650) = 5071 [pid 5065] close(3 [pid 5069] <... chdir resumed>) = 0 [pid 5065] <... close resumed>) = 0 [pid 5071] set_robust_list(0x55555683c660, 24 [pid 5069] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5068] <... chdir resumed>) = 0 [pid 5067] ioctl(3, LOOP_CLR_FD [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5071] <... set_robust_list resumed>) = 0 [pid 5069] <... prctl resumed>) = 0 [pid 5068] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5067] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5068] <... prctl resumed>) = 0 [pid 5068] setpgid(0, 0 [pid 5067] close(3 [pid 5068] <... setpgid resumed>) = 0 [pid 5067] <... close resumed>) = 0 [pid 5071] chdir("./0" [pid 5069] setpgid(0, 0 [pid 5068] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5072 attached [pid 5071] <... chdir resumed>) = 0 [pid 5069] <... setpgid resumed>) = 0 [pid 5068] <... openat resumed>) = 3 [pid 5065] <... clone resumed>, child_tidptr=0x55555683c650) = 5072 [pid 5071] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5069] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5072] set_robust_list(0x55555683c660, 24 [pid 5071] <... prctl resumed>) = 0 [pid 5069] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5073 attached [pid 5072] <... set_robust_list resumed>) = 0 [pid 5071] setpgid(0, 0 [pid 5069] write(3, "1000", 4 [pid 5068] write(3, "1000", 4 [pid 5073] set_robust_list(0x55555683c660, 24 [pid 5072] chdir("./0" [pid 5071] <... setpgid resumed>) = 0 [pid 5069] <... write resumed>) = 4 [pid 5068] <... write resumed>) = 4 [pid 5067] <... clone resumed>, child_tidptr=0x55555683c650) = 5073 [pid 5073] <... set_robust_list resumed>) = 0 [pid 5072] <... chdir resumed>) = 0 [pid 5069] close(3 [pid 5068] close(3 [pid 5072] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5069] <... close resumed>) = 0 [pid 5068] <... close resumed>) = 0 [pid 5073] chdir("./0" [pid 5072] <... prctl resumed>) = 0 [pid 5071] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5069] symlink("/dev/binderfs", "./binderfs" [pid 5068] symlink("/dev/binderfs", "./binderfs" [pid 5072] setpgid(0, 0 [pid 5071] <... openat resumed>) = 3 [pid 5072] <... setpgid resumed>) = 0 [pid 5072] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5073] <... chdir resumed>) = 0 [pid 5072] <... openat resumed>) = 3 [pid 5068] <... symlink resumed>) = 0 [pid 5072] write(3, "1000", 4 [pid 5068] memfd_create("syzkaller", 0 [pid 5072] <... write resumed>) = 4 [pid 5072] close(3) = 0 [pid 5072] symlink("/dev/binderfs", "./binderfs" [pid 5068] <... memfd_create resumed>) = 3 [pid 5072] <... symlink resumed>) = 0 [pid 5068] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5073] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5071] write(3, "1000", 4 [pid 5069] <... symlink resumed>) = 0 [pid 5071] <... write resumed>) = 4 [pid 5073] <... prctl resumed>) = 0 [pid 5071] close(3 [pid 5068] <... mmap resumed>) = 0x7f2081800000 [pid 5073] setpgid(0, 0 [pid 5071] <... close resumed>) = 0 [pid 5069] memfd_create("syzkaller", 0 [pid 5073] <... setpgid resumed>) = 0 [pid 5071] symlink("/dev/binderfs", "./binderfs" [pid 5069] <... memfd_create resumed>) = 3 [pid 5073] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5072] memfd_create("syzkaller", 0 [pid 5071] <... symlink resumed>) = 0 [pid 5069] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5072] <... memfd_create resumed>) = 3 [pid 5071] memfd_create("syzkaller", 0 [pid 5069] <... mmap resumed>) = 0x7f2081800000 [pid 5072] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2081800000 [pid 5073] <... openat resumed>) = 3 [pid 5071] <... memfd_create resumed>) = 3 [pid 5071] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2081800000 [pid 5073] write(3, "1000", 4) = 4 [pid 5073] close(3) = 0 [pid 5073] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5073] memfd_create("syzkaller", 0) = 3 [pid 5073] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2081800000 [pid 5071] 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 5069] 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 5068] 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 5072] 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 5073] 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 5068] <... write resumed>) = 16777216 [pid 5071] <... write resumed>) = 16777216 [pid 5068] munmap(0x7f2081800000, 138412032 [pid 5071] munmap(0x7f2081800000, 138412032 [pid 5069] <... write resumed>) = 16777216 [pid 5068] <... munmap resumed>) = 0 [pid 5069] munmap(0x7f2081800000, 138412032 [pid 5068] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5071] <... munmap resumed>) = 0 [pid 5068] <... openat resumed>) = 4 [pid 5068] ioctl(4, LOOP_SET_FD, 3 [pid 5071] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 5071] ioctl(4, LOOP_SET_FD, 3 [pid 5068] <... ioctl resumed>) = 0 [pid 5068] close(3) = 0 [pid 5068] close(4) = 0 [pid 5068] mkdir("./file0", 0777) = 0 [pid 5068] mount("/dev/loop0", "./file0", "jfs", MS_NOSUID|MS_NODIRATIME|MS_STRICTATIME, "iocharset=cp850,errors=continue,resize,errors=continue,resize=0x0000000000000000," [pid 5072] <... write resumed>) = 16777216 [pid 5071] <... ioctl resumed>) = 0 [pid 5069] <... munmap resumed>) = 0 [pid 5072] munmap(0x7f2081800000, 138412032 [ 78.789588][ T5068] loop0: detected capacity change from 0 to 32768 [ 78.810645][ T5071] loop3: detected capacity change from 0 to 32768 [pid 5071] close(3) = 0 [pid 5069] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5071] close(4) = 0 [pid 5069] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5073] <... write resumed>) = 16777216 [pid 5071] mkdir("./file0", 0777) = 0 [pid 5071] mount("/dev/loop3", "./file0", "jfs", MS_NOSUID|MS_NODIRATIME|MS_STRICTATIME, "iocharset=cp850,errors=continue,resize,errors=continue,resize=0x0000000000000000," [pid 5073] munmap(0x7f2081800000, 138412032 [pid 5069] close(3) = 0 [pid 5069] close(4) = 0 [pid 5069] mkdir("./file0", 0777) = 0 [ 78.849040][ T5069] loop1: detected capacity change from 0 to 32768 [ 78.864973][ T5068] [ 78.864973][ T5068] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 78.864973][ T5068] [pid 5069] mount("/dev/loop1", "./file0", "jfs", MS_NOSUID|MS_NODIRATIME|MS_STRICTATIME, "iocharset=cp850,errors=continue,resize,errors=continue,resize=0x0000000000000000," [pid 5073] <... munmap resumed>) = 0 [pid 5072] <... munmap resumed>) = 0 [pid 5068] <... mount resumed>) = 0 [pid 5068] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5068] chdir("./file0") = 0 [pid 5068] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5068] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|FASYNC, 000 [pid 5072] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 5068] <... openat resumed>) = 4 [pid 5068] exit_group(0) = ? [pid 5073] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [ 78.903225][ T5071] [ 78.903225][ T5071] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 78.903225][ T5071] [ 78.924098][ T5069] [ 78.924098][ T5069] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 78.924098][ T5069] [pid 5072] ioctl(4, LOOP_SET_FD, 3 [pid 5073] ioctl(4, LOOP_SET_FD, 3 [pid 5071] <... mount resumed>) = 0 [pid 5068] +++ exited with 0 +++ [pid 5063] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5068, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=31 /* 0.31 s */} --- [pid 5063] umount2("./0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5063] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5073] <... ioctl resumed>) = 0 [pid 5071] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5063] <... openat resumed>) = 3 [pid 5071] <... openat resumed>) = 3 [pid 5071] chdir("./file0") = 0 [pid 5073] close(3 [pid 5071] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5069] <... mount resumed>) = 0 [pid 5063] newfstatat(3, "", [pid 5073] <... close resumed>) = 0 [pid 5071] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5069] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5063] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5073] close(4 [pid 5071] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|FASYNC, 000 [pid 5069] <... openat resumed>) = 3 [pid 5063] getdents64(3, [pid 5069] chdir("./file0") = 0 [pid 5063] <... getdents64 resumed>0x55555683d6f0 /* 4 entries */, 32768) = 112 [pid 5069] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5063] umount2("./0/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5069] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|FASYNC, 000 [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] <... close resumed>) = 0 [pid 5071] <... openat resumed>) = 4 [pid 5073] mkdir("./file0", 0777 [pid 5071] exit_group(0 [pid 5069] <... openat resumed>) = 4 [pid 5071] <... exit_group resumed>) = ? [pid 5069] exit_group(0 [pid 5063] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5073] <... mkdir resumed>) = 0 [pid 5071] +++ exited with 0 +++ [pid 5069] <... exit_group resumed>) = ? [pid 5063] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5073] mount("/dev/loop4", "./file0", "jfs", MS_NOSUID|MS_NODIRATIME|MS_STRICTATIME, "iocharset=cp850,errors=continue,resize,errors=continue,resize=0x0000000000000000," [pid 5069] +++ exited with 0 +++ [pid 5064] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5069, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=33 /* 0.33 s */} --- [pid 5063] unlink("./0/binderfs" [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5071, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=30 /* 0.30 s */} --- [pid 5063] <... unlink resumed>) = 0 [ 78.968410][ T5073] loop4: detected capacity change from 0 to 32768 [ 78.970683][ T5072] loop2: detected capacity change from 0 to 32768 [pid 5066] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5063] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5066] umount2("./0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] umount2("./0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] <... ioctl resumed>) = 0 [pid 5066] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5064] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5072] close(3 [pid 5066] <... openat resumed>) = 3 [pid 5064] <... openat resumed>) = 3 [pid 5072] <... close resumed>) = 0 [pid 5066] newfstatat(3, "", [pid 5064] newfstatat(3, "", [pid 5072] close(4 [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5072] <... close resumed>) = 0 [pid 5066] getdents64(3, [pid 5064] getdents64(3, [pid 5072] mkdir("./file0", 0777 [pid 5066] <... getdents64 resumed>0x55555683d6f0 /* 4 entries */, 32768) = 112 [pid 5064] <... getdents64 resumed>0x55555683d6f0 /* 4 entries */, 32768) = 112 [pid 5072] <... mkdir resumed>) = 0 [pid 5066] umount2("./0/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] umount2("./0/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5066] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5064] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5066] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5064] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5066] unlink("./0/binderfs" [pid 5064] unlink("./0/binderfs" [pid 5072] mount("/dev/loop2", "./file0", "jfs", MS_NOSUID|MS_NODIRATIME|MS_STRICTATIME, "iocharset=cp850,errors=continue,resize,errors=continue,resize=0x0000000000000000," [pid 5066] <... unlink resumed>) = 0 [pid 5064] <... unlink resumed>) = 0 [pid 5066] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] <... mount resumed>) = 0 [ 79.035196][ T5073] [ 79.035196][ T5073] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 79.035196][ T5073] [ 79.047649][ T49] [ 79.047649][ T49] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 79.047649][ T49] [ 79.058837][ T2820] [ 79.058837][ T2820] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 79.058837][ T2820] [ 79.069661][ T1101] [ 79.069661][ T1101] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 79.069661][ T1101] [pid 5073] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5073] chdir("./file0") = 0 [pid 5073] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5073] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|FASYNC, 000) = 4 [ 79.083575][ T49] [ 79.083575][ T49] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 79.083575][ T49] [ 79.097147][ T2820] [ 79.097147][ T2820] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 79.097147][ T2820] [ 79.103591][ T5072] [ 79.103591][ T5072] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 79.103591][ T5072] [ 79.109324][ T1101] [ 79.109324][ T1101] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 79.109324][ T1101] [pid 5073] exit_group(0) = ? [pid 5072] <... mount resumed>) = 0 [ 79.135777][ T5063] [ 79.135777][ T5063] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 79.135777][ T5063] [ 79.147905][ T5066] [ 79.147905][ T5066] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 79.147905][ T5066] [ 79.157268][ T110] [ 79.157268][ T110] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 79.157268][ T110] [ 79.159554][ T5064] [ 79.159554][ T5064] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 79.159554][ T5064] [ 79.170726][ T5063] [pid 5073] +++ exited with 0 +++ [pid 5072] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5073, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=31 /* 0.31 s */} --- [pid 5067] umount2("./0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5067] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5067] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] getdents64(3, 0x55555683d6f0 /* 4 entries */, 32768) = 112 [pid 5067] umount2("./0/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5067] newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] unlink("./0/binderfs") = 0 [pid 5072] <... openat resumed>) = 3 [pid 5067] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] chdir("./file0") = 0 [pid 5072] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [ 79.170726][ T5063] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 79.170726][ T5063] [ 79.193799][ T62] [ 79.193799][ T62] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 79.193799][ T62] [ 79.204696][ T110] [ 79.204696][ T110] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 79.204696][ T110] [ 79.216722][ T109] [ 79.216722][ T109] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 79.216722][ T109] [ 79.229040][ T62] [pid 5072] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|FASYNC, 000) = 4 [pid 5072] exit_group(0) = ? [pid 5072] +++ exited with 0 +++ [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5072, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=45 /* 0.45 s */} --- [pid 5065] umount2("./0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5065] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5065] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5065] getdents64(3, 0x55555683d6f0 /* 4 entries */, 32768) = 112 [pid 5065] umount2("./0/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5065] newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5065] unlink("./0/binderfs") = 0 [ 79.229040][ T62] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 79.229040][ T62] [ 79.241306][ T5064] [ 79.241306][ T5064] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 79.241306][ T5064] [ 79.249071][ T109] [ 79.249071][ T109] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 79.249071][ T109] [ 79.251882][ T5066] [ 79.251882][ T5066] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 79.251882][ T5066] [ 79.275109][ T5067] [ 79.275109][ T5067] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 79.275109][ T5067] [pid 5065] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5063] <... umount2 resumed>) = 0 [pid 5063] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5063] newfstatat(AT_FDCWD, "./0/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5064] <... umount2 resumed>) = 0 [ 79.296571][ T5067] [ 79.296571][ T5067] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 79.296571][ T5067] [ 79.296580][ T49] [ 79.296580][ T49] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 79.296580][ T49] [ 79.296601][ T49] [ 79.296601][ T49] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 79.296601][ T49] [ 79.332714][ T110] [ 79.332714][ T110] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 79.332714][ T110] [pid 5063] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... umount2 resumed>) = 0 [pid 5064] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5063] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] newfstatat(AT_FDCWD, "./0/file0", [pid 5063] <... openat resumed>) = 4 [pid 5067] newfstatat(AT_FDCWD, "./0/file0", [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5063] newfstatat(4, "", [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5064] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5063] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5063] getdents64(4, [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5066] <... umount2 resumed>) = 0 [pid 5064] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5063] <... getdents64 resumed>0x555556845730 /* 2 entries */, 32768) = 48 [pid 5067] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5066] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] <... openat resumed>) = 4 [pid 5067] <... openat resumed>) = 4 [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] newfstatat(4, "", [pid 5063] getdents64(4, [pid 5067] newfstatat(4, "", [pid 5066] newfstatat(AT_FDCWD, "./0/file0", [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5063] <... getdents64 resumed>0x555556845730 /* 0 entries */, 32768) = 0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5064] getdents64(4, [pid 5063] close(4 [pid 5067] getdents64(4, [pid 5066] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] <... getdents64 resumed>0x555556845730 /* 2 entries */, 32768) = 48 [pid 5063] <... close resumed>) = 0 [pid 5067] <... getdents64 resumed>0x555556845730 /* 2 entries */, 32768) = 48 [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] getdents64(4, [pid 5067] getdents64(4, [pid 5066] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5064] <... getdents64 resumed>0x555556845730 /* 0 entries */, 32768) = 0 [pid 5063] rmdir("./0/file0" [pid 5067] <... getdents64 resumed>0x555556845730 /* 0 entries */, 32768) = 0 [pid 5066] <... openat resumed>) = 4 [pid 5064] close(4 [pid 5063] <... rmdir resumed>) = 0 [pid 5067] close(4 [pid 5066] newfstatat(4, "", [pid 5064] <... close resumed>) = 0 [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5066] getdents64(4, [pid 5064] rmdir("./0/file0" [pid 5066] <... getdents64 resumed>0x555556845730 /* 2 entries */, 32768) = 48 [pid 5064] <... rmdir resumed>) = 0 [pid 5066] getdents64(4, 0x555556845730 /* 0 entries */, 32768) = 0 [pid 5064] getdents64(3, [pid 5066] close(4 [pid 5064] <... getdents64 resumed>0x55555683d6f0 /* 0 entries */, 32768) = 0 [pid 5066] <... close resumed>) = 0 [pid 5064] close(3 [pid 5066] rmdir("./0/file0" [pid 5064] <... close resumed>) = 0 [pid 5066] <... rmdir resumed>) = 0 [pid 5064] rmdir("./0" [pid 5067] <... close resumed>) = 0 [pid 5066] getdents64(3, [pid 5064] <... rmdir resumed>) = 0 [pid 5067] rmdir("./0/file0" [pid 5066] <... getdents64 resumed>0x55555683d6f0 /* 0 entries */, 32768) = 0 [pid 5064] mkdir("./1", 0777 [pid 5067] <... rmdir resumed>) = 0 [pid 5066] close(3 [pid 5063] getdents64(3, [pid 5066] <... close resumed>) = 0 [pid 5064] <... mkdir resumed>) = 0 [pid 5067] getdents64(3, [pid 5066] rmdir("./0" [pid 5067] <... getdents64 resumed>0x55555683d6f0 /* 0 entries */, 32768) = 0 [pid 5066] <... rmdir resumed>) = 0 [pid 5064] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5066] mkdir("./1", 0777 [pid 5063] <... getdents64 resumed>0x55555683d6f0 /* 0 entries */, 32768) = 0 [pid 5067] close(3 [pid 5066] <... mkdir resumed>) = 0 [pid 5064] <... openat resumed>) = 3 [pid 5063] close(3 [pid 5064] ioctl(3, LOOP_CLR_FD [pid 5066] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5067] <... close resumed>) = 0 [pid 5065] <... umount2 resumed>) = 0 [pid 5063] <... close resumed>) = 0 [pid 5067] rmdir("./0" [pid 5066] ioctl(3, LOOP_CLR_FD [pid 5065] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5063] rmdir("./0" [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] newfstatat(AT_FDCWD, "./0/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5065] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5065] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5065] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5063] <... rmdir resumed>) = 0 [pid 5065] getdents64(4, 0x555556845730 /* 2 entries */, 32768) = 48 [pid 5065] getdents64(4, 0x555556845730 /* 0 entries */, 32768) = 0 [pid 5065] close(4) = 0 [pid 5065] rmdir("./0/file0" [pid 5067] <... rmdir resumed>) = 0 [pid 5067] mkdir("./1", 0777 [pid 5065] <... rmdir resumed>) = 0 [pid 5067] <... mkdir resumed>) = 0 [pid 5063] mkdir("./1", 0777 [pid 5067] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5065] getdents64(3, [pid 5063] <... mkdir resumed>) = 0 [ 79.349498][ T5065] [ 79.349498][ T5065] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 79.349498][ T5065] [ 79.362080][ T5065] [ 79.362080][ T5065] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 79.362080][ T5065] [pid 5067] <... openat resumed>) = 3 [pid 5065] <... getdents64 resumed>0x55555683d6f0 /* 0 entries */, 32768) = 0 [pid 5063] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5065] close(3 [pid 5067] ioctl(3, LOOP_CLR_FD [pid 5065] <... close resumed>) = 0 [pid 5063] <... openat resumed>) = 3 [pid 5065] rmdir("./0" [pid 5063] ioctl(3, LOOP_CLR_FD [pid 5065] <... rmdir resumed>) = 0 [pid 5065] mkdir("./1", 0777) = 0 [pid 5065] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5065] ioctl(3, LOOP_CLR_FD [pid 5064] <... ioctl resumed>) = 0 [pid 5064] close(3 [pid 5067] <... ioctl resumed>) = 0 [pid 5064] <... close resumed>) = 0 [pid 5064] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5063] <... ioctl resumed>) = 0 [pid 5064] <... clone resumed>, child_tidptr=0x55555683c650) = 5078 ./strace-static-x86_64: Process 5078 attached [pid 5078] set_robust_list(0x55555683c660, 24) = 0 [pid 5078] chdir("./1") = 0 [pid 5067] close(3 [pid 5078] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5067] <... close resumed>) = 0 [pid 5066] <... ioctl resumed>) = 0 [pid 5063] close(3 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5078] <... prctl resumed>) = 0 [pid 5078] setpgid(0, 0) = 0 [pid 5078] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5078] write(3, "1000", 4) = 4 [pid 5078] close(3) = 0 [pid 5078] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5078] memfd_create("syzkaller", 0) = 3 [pid 5078] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2081800000 [pid 5067] <... clone resumed>, child_tidptr=0x55555683c650) = 5079 ./strace-static-x86_64: Process 5079 attached [pid 5063] <... close resumed>) = 0 [pid 5079] set_robust_list(0x55555683c660, 24) = 0 [pid 5066] close(3 [pid 5063] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5079] chdir("./1" [pid 5066] <... close resumed>) = 0 [pid 5063] <... clone resumed>, child_tidptr=0x55555683c650) = 5080 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5080 attached [pid 5080] set_robust_list(0x55555683c660, 24) = 0 [pid 5080] chdir("./1"./strace-static-x86_64: Process 5081 attached ) = 0 [pid 5079] <... chdir resumed>) = 0 [pid 5079] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5066] <... clone resumed>, child_tidptr=0x55555683c650) = 5081 [pid 5080] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5081] set_robust_list(0x55555683c660, 24 [pid 5080] <... prctl resumed>) = 0 [pid 5079] <... prctl resumed>) = 0 [pid 5080] setpgid(0, 0) = 0 [pid 5080] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5081] <... set_robust_list resumed>) = 0 [pid 5080] <... openat resumed>) = 3 [pid 5079] setpgid(0, 0 [pid 5081] chdir("./1" [pid 5080] write(3, "1000", 4 [pid 5079] <... setpgid resumed>) = 0 [pid 5081] <... chdir resumed>) = 0 [pid 5081] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5080] <... write resumed>) = 4 [pid 5079] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5080] close(3 [pid 5081] setpgid(0, 0 [pid 5079] <... openat resumed>) = 3 [pid 5081] <... setpgid resumed>) = 0 [pid 5080] <... close resumed>) = 0 [pid 5079] write(3, "1000", 4 [pid 5081] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5080] symlink("/dev/binderfs", "./binderfs" [pid 5079] <... write resumed>) = 4 [pid 5079] close(3 [pid 5081] <... openat resumed>) = 3 [pid 5080] <... symlink resumed>) = 0 [pid 5079] <... close resumed>) = 0 [pid 5081] write(3, "1000", 4 [pid 5080] memfd_create("syzkaller", 0 [pid 5079] symlink("/dev/binderfs", "./binderfs" [pid 5065] <... ioctl resumed>) = 0 [pid 5080] <... memfd_create resumed>) = 3 [pid 5080] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5081] <... write resumed>) = 4 [pid 5080] <... mmap resumed>) = 0x7f2081800000 [pid 5079] <... symlink resumed>) = 0 [pid 5081] close(3) = 0 [pid 5081] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5081] memfd_create("syzkaller", 0 [pid 5079] memfd_create("syzkaller", 0 [pid 5065] close(3) = 0 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5081] <... memfd_create resumed>) = 3 [pid 5079] <... memfd_create resumed>) = 3 [pid 5065] <... clone resumed>, child_tidptr=0x55555683c650) = 5082 [pid 5081] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5079] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5081] <... mmap resumed>) = 0x7f2081800000 [pid 5079] <... mmap resumed>) = 0x7f2081800000 ./strace-static-x86_64: Process 5082 attached [pid 5082] set_robust_list(0x55555683c660, 24) = 0 [pid 5082] chdir("./1") = 0 [pid 5082] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5082] setpgid(0, 0) = 0 [pid 5082] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5082] write(3, "1000", 4) = 4 [pid 5082] close(3) = 0 [pid 5082] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5082] memfd_create("syzkaller", 0) = 3 [pid 5082] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2081800000 [pid 5078] 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 5080] 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 5081] 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 5079] 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 5082] 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 5080] <... write resumed>) = 16777216 [pid 5080] munmap(0x7f2081800000, 138412032 [pid 5081] <... write resumed>) = 16777216 [pid 5078] <... write resumed>) = 16777216 [pid 5078] munmap(0x7f2081800000, 138412032 [pid 5081] munmap(0x7f2081800000, 138412032 [pid 5080] <... munmap resumed>) = 0 [pid 5080] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5081] <... munmap resumed>) = 0 [pid 5080] <... openat resumed>) = 4 [pid 5079] <... write resumed>) = 16777216 [pid 5081] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5080] ioctl(4, LOOP_SET_FD, 3 [pid 5081] <... openat resumed>) = 4 [pid 5079] munmap(0x7f2081800000, 138412032 [pid 5081] ioctl(4, LOOP_SET_FD, 3 [pid 5078] <... munmap resumed>) = 0 [pid 5082] <... write resumed>) = 16777216 [pid 5080] <... ioctl resumed>) = 0 [pid 5078] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5081] <... ioctl resumed>) = 0 [pid 5081] close(3 [pid 5080] close(3 [pid 5078] <... openat resumed>) = 4 [pid 5081] <... close resumed>) = 0 [pid 5080] <... close resumed>) = 0 [pid 5082] munmap(0x7f2081800000, 138412032 [pid 5081] close(4 [pid 5080] close(4 [pid 5079] <... munmap resumed>) = 0 [ 80.975564][ T5080] loop0: detected capacity change from 0 to 32768 [ 80.987593][ T5081] loop3: detected capacity change from 0 to 32768 [pid 5078] ioctl(4, LOOP_SET_FD, 3 [pid 5081] <... close resumed>) = 0 [pid 5080] <... close resumed>) = 0 [pid 5080] mkdir("./file0", 0777 [pid 5079] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5080] <... mkdir resumed>) = 0 [pid 5079] <... openat resumed>) = 4 [pid 5079] ioctl(4, LOOP_SET_FD, 3 [pid 5081] mkdir("./file0", 0777) = 0 [pid 5082] <... munmap resumed>) = 0 [pid 5081] mount("/dev/loop3", "./file0", "jfs", MS_NOSUID|MS_NODIRATIME|MS_STRICTATIME, "iocharset=cp850,errors=continue,resize,errors=continue,resize=0x0000000000000000," [pid 5080] mount("/dev/loop0", "./file0", "jfs", MS_NOSUID|MS_NODIRATIME|MS_STRICTATIME, "iocharset=cp850,errors=continue,resize,errors=continue,resize=0x0000000000000000," [pid 5078] <... ioctl resumed>) = 0 [pid 5078] close(3 [pid 5082] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5078] <... close resumed>) = 0 [ 81.020293][ T5078] loop1: detected capacity change from 0 to 32768 [ 81.029718][ T5079] loop4: detected capacity change from 0 to 32768 [ 81.054186][ T5081] [ 81.054186][ T5081] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 81.054186][ T5081] [pid 5082] <... openat resumed>) = 4 [pid 5079] <... ioctl resumed>) = 0 [pid 5078] close(4 [pid 5082] ioctl(4, LOOP_SET_FD, 3 [pid 5079] close(3 [pid 5078] <... close resumed>) = 0 [pid 5079] <... close resumed>) = 0 [pid 5078] mkdir("./file0", 0777) = 0 [pid 5081] <... mount resumed>) = 0 [pid 5081] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5079] close(4 [pid 5081] <... openat resumed>) = 3 [pid 5079] <... close resumed>) = 0 [pid 5081] chdir("./file0") = 0 [pid 5079] mkdir("./file0", 0777 [pid 5078] mount("/dev/loop1", "./file0", "jfs", MS_NOSUID|MS_NODIRATIME|MS_STRICTATIME, "iocharset=cp850,errors=continue,resize,errors=continue,resize=0x0000000000000000," [pid 5081] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5079] <... mkdir resumed>) = 0 [pid 5081] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|FASYNC, 000 [pid 5080] <... mount resumed>) = 0 [pid 5079] mount("/dev/loop4", "./file0", "jfs", MS_NOSUID|MS_NODIRATIME|MS_STRICTATIME, "iocharset=cp850,errors=continue,resize,errors=continue,resize=0x0000000000000000," [pid 5080] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5081] <... openat resumed>) = 4 [pid 5080] <... openat resumed>) = 3 [pid 5080] chdir("./file0" [pid 5081] exit_group(0) = ? [pid 5080] <... chdir resumed>) = 0 [pid 5082] <... ioctl resumed>) = 0 [ 81.069608][ T5080] [ 81.069608][ T5080] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 81.069608][ T5080] [ 81.070477][ T5082] loop2: detected capacity change from 0 to 32768 [pid 5082] close(3 [pid 5081] +++ exited with 0 +++ [pid 5080] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5081, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=28 /* 0.28 s */} --- [pid 5080] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5066] restart_syscall(<... resuming interrupted clone ...> [pid 5080] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|FASYNC, 000 [pid 5066] <... restart_syscall resumed>) = 0 [pid 5082] <... close resumed>) = 0 [pid 5082] close(4) = 0 [pid 5082] mkdir("./file0", 0777 [pid 5066] umount2("./1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5082] <... mkdir resumed>) = 0 [pid 5080] <... openat resumed>) = 4 [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5082] mount("/dev/loop2", "./file0", "jfs", MS_NOSUID|MS_NODIRATIME|MS_STRICTATIME, "iocharset=cp850,errors=continue,resize,errors=continue,resize=0x0000000000000000," [pid 5080] exit_group(0 [pid 5066] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5066] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5066] getdents64(3, 0x55555683d6f0 /* 4 entries */, 32768) = 112 [pid 5080] <... exit_group resumed>) = ? [pid 5066] umount2("./1/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 81.132168][ T5079] [ 81.132168][ T5079] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 81.132168][ T5079] [ 81.145288][ T5078] [ 81.145288][ T5078] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 81.145288][ T5078] [pid 5066] newfstatat(AT_FDCWD, "./1/binderfs", [pid 5080] +++ exited with 0 +++ [pid 5079] <... mount resumed>) = 0 [pid 5066] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5079] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5066] unlink("./1/binderfs" [pid 5079] <... openat resumed>) = 3 [pid 5066] <... unlink resumed>) = 0 [pid 5063] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5080, si_uid=0, si_status=0, si_utime=11 /* 0.11 s */, si_stime=25 /* 0.25 s */} --- [pid 5079] chdir("./file0" [pid 5066] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] <... chdir resumed>) = 0 [pid 5079] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5063] umount2("./1", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5063] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5063] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5063] getdents64(3, 0x55555683d6f0 /* 4 entries */, 32768) = 112 [pid 5063] umount2("./1/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5063] newfstatat(AT_FDCWD, "./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5079] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5063] unlink("./1/binderfs" [pid 5079] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|FASYNC, 000) = 4 [pid 5063] <... unlink resumed>) = 0 [pid 5063] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] exit_group(0 [pid 5078] <... mount resumed>) = 0 [pid 5079] <... exit_group resumed>) = ? [pid 5078] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5078] chdir("./file0" [pid 5079] +++ exited with 0 +++ [pid 5078] <... chdir resumed>) = 0 [pid 5078] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [ 81.178244][ T5082] [ 81.178244][ T5082] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 81.178244][ T5082] [ 81.197048][ T62] [ 81.197048][ T62] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 81.197048][ T62] [ 81.221201][ T2820] [pid 5078] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|FASYNC, 000 [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5079, si_uid=0, si_status=0, si_utime=9 /* 0.09 s */, si_stime=31 /* 0.31 s */} --- [pid 5078] <... openat resumed>) = 4 [pid 5078] exit_group(0 [pid 5082] <... mount resumed>) = 0 [pid 5078] <... exit_group resumed>) = ? [pid 5067] umount2("./1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5082] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5082] chdir("./file0" [pid 5078] +++ exited with 0 +++ [pid 5082] <... chdir resumed>) = 0 [pid 5064] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5078, si_uid=0, si_status=0, si_utime=10 /* 0.10 s */, si_stime=32 /* 0.32 s */} --- [pid 5082] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5067] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5064] umount2("./1", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5064] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5082] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|FASYNC, 000 [pid 5064] <... openat resumed>) = 3 [pid 5064] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] <... openat resumed>) = 3 [pid 5064] getdents64(3, [pid 5067] newfstatat(3, "", [pid 5064] <... getdents64 resumed>0x55555683d6f0 /* 4 entries */, 32768) = 112 [pid 5064] umount2("./1/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5064] newfstatat(AT_FDCWD, "./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5082] <... openat resumed>) = 4 [pid 5064] unlink("./1/binderfs") = 0 [pid 5082] exit_group(0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5064] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] getdents64(3, [pid 5082] <... exit_group resumed>) = ? [pid 5082] +++ exited with 0 +++ [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5082, si_uid=0, si_status=0, si_utime=12 /* 0.12 s */, si_stime=35 /* 0.35 s */} --- [pid 5065] umount2("./1", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5065] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5065] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5065] getdents64(3, 0x55555683d6f0 /* 4 entries */, 32768) = 112 [ 81.221201][ T2820] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 81.221201][ T2820] [ 81.248261][ T62] [ 81.248261][ T62] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 81.248261][ T62] [ 81.266859][ T2820] [ 81.266859][ T2820] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 81.266859][ T2820] [pid 5065] umount2("./1/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5067] <... getdents64 resumed>0x55555683d6f0 /* 4 entries */, 32768) = 112 [pid 5065] newfstatat(AT_FDCWD, "./1/binderfs", [pid 5067] umount2("./1/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5065] unlink("./1/binderfs") = 0 [pid 5065] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 81.279057][ T5066] [ 81.279057][ T5066] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 81.279057][ T5066] [ 81.280116][ T62] [ 81.280116][ T62] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 81.280116][ T62] [ 81.296376][ T110] [ 81.296376][ T110] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 81.296376][ T110] [ 81.304982][ T62] [ 81.304982][ T62] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 81.304982][ T62] [ 81.316285][ T109] [pid 5067] newfstatat(AT_FDCWD, "./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] unlink("./1/binderfs") = 0 [ 81.316285][ T109] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 81.316285][ T109] [ 81.325532][ T5064] [ 81.325532][ T5064] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 81.325532][ T5064] [ 81.332131][ T1101] [ 81.332131][ T1101] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 81.332131][ T1101] [ 81.354708][ T5064] [ 81.354708][ T5064] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 81.354708][ T5064] [ 81.366867][ T5066] [ 81.366867][ T5066] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 81.366867][ T5066] [ 81.367588][ T110] [ 81.367588][ T110] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 81.367588][ T110] [ 81.387928][ T1101] [ 81.387928][ T1101] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 81.387928][ T1101] [ 81.388757][ T5063] [ 81.388757][ T5063] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 81.388757][ T5063] [ 81.411385][ T49] [ 81.411385][ T49] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 81.411385][ T49] [ 81.416737][ T5063] [ 81.416737][ T5063] ... Log Wrap ... Log Wrap ... Log Wrap ... [pid 5067] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5066] <... umount2 resumed>) = 0 [ 81.416737][ T5063] [ 81.433137][ T5065] [ 81.433137][ T5065] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 81.433137][ T5065] [ 81.435207][ T49] [ 81.435207][ T49] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 81.435207][ T49] [ 81.446881][ T109] [ 81.446881][ T109] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 81.446881][ T109] [ 81.465340][ T5067] [ 81.465340][ T5067] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 81.465340][ T5067] [ 81.467694][ T5065] [pid 5066] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5066] newfstatat(AT_FDCWD, "./1/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5066] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5066] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5066] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5066] getdents64(4, 0x555556845730 /* 2 entries */, 32768) = 48 [pid 5066] getdents64(4, 0x555556845730 /* 0 entries */, 32768) = 0 [pid 5066] close(4) = 0 [pid 5066] rmdir("./1/file0") = 0 [pid 5066] getdents64(3, 0x55555683d6f0 /* 0 entries */, 32768) = 0 [pid 5066] close(3) = 0 [pid 5066] rmdir("./1") = 0 [pid 5066] mkdir("./2", 0777) = 0 [pid 5066] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5066] ioctl(3, LOOP_CLR_FD [pid 5063] <... umount2 resumed>) = 0 [pid 5067] <... umount2 resumed>) = 0 [pid 5065] <... umount2 resumed>) = 0 [pid 5067] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5063] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] newfstatat(AT_FDCWD, "./1/file0", [pid 5063] newfstatat(AT_FDCWD, "./1/file0", [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5063] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5065] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5063] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5063] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... openat resumed>) = 4 [pid 5065] newfstatat(AT_FDCWD, "./1/file0", [pid 5063] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] newfstatat(4, "", [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5063] <... openat resumed>) = 4 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] getdents64(4, [pid 5065] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5063] newfstatat(4, "", [pid 5067] <... getdents64 resumed>0x555556845730 /* 2 entries */, 32768) = 48 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5063] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5065] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] getdents64(4, [pid 5065] <... openat resumed>) = 4 [pid 5063] getdents64(4, [pid 5067] <... getdents64 resumed>0x555556845730 /* 0 entries */, 32768) = 0 [pid 5067] close(4 [pid 5065] newfstatat(4, "", [pid 5063] <... getdents64 resumed>0x555556845730 /* 2 entries */, 32768) = 48 [pid 5067] <... close resumed>) = 0 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] rmdir("./1/file0" [pid 5065] getdents64(4, [ 81.467694][ T5065] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 81.467694][ T5065] [ 81.477843][ T5067] [ 81.477843][ T5067] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 81.477843][ T5067] [ 81.498484][ T110] [ 81.498484][ T110] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 81.498484][ T110] [pid 5063] getdents64(4, [pid 5067] <... rmdir resumed>) = 0 [pid 5065] <... getdents64 resumed>0x555556845730 /* 2 entries */, 32768) = 48 [pid 5063] <... getdents64 resumed>0x555556845730 /* 0 entries */, 32768) = 0 [pid 5065] getdents64(4, 0x555556845730 /* 0 entries */, 32768) = 0 [pid 5063] close(4 [pid 5065] close(4 [pid 5063] <... close resumed>) = 0 [pid 5065] <... close resumed>) = 0 [pid 5063] rmdir("./1/file0" [pid 5065] rmdir("./1/file0" [pid 5063] <... rmdir resumed>) = 0 [pid 5065] <... rmdir resumed>) = 0 [pid 5067] getdents64(3, [pid 5063] getdents64(3, 0x55555683d6f0 /* 0 entries */, 32768) = 0 [pid 5063] close(3) = 0 [pid 5067] <... getdents64 resumed>0x55555683d6f0 /* 0 entries */, 32768) = 0 [pid 5067] close(3 [pid 5063] rmdir("./1" [pid 5067] <... close resumed>) = 0 [pid 5063] <... rmdir resumed>) = 0 [pid 5067] rmdir("./1" [pid 5065] getdents64(3, [pid 5063] mkdir("./2", 0777 [pid 5067] <... rmdir resumed>) = 0 [pid 5065] <... getdents64 resumed>0x55555683d6f0 /* 0 entries */, 32768) = 0 [pid 5063] <... mkdir resumed>) = 0 [pid 5067] mkdir("./2", 0777 [pid 5065] close(3 [pid 5067] <... mkdir resumed>) = 0 [pid 5065] <... close resumed>) = 0 [pid 5065] rmdir("./1") = 0 [pid 5063] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5067] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5065] mkdir("./2", 0777 [pid 5063] <... openat resumed>) = 3 [pid 5067] <... openat resumed>) = 3 [pid 5065] <... mkdir resumed>) = 0 [pid 5067] ioctl(3, LOOP_CLR_FD [pid 5063] ioctl(3, LOOP_CLR_FD [pid 5065] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5064] <... umount2 resumed>) = 0 [pid 5065] ioctl(3, LOOP_CLR_FD [pid 5064] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5066] <... ioctl resumed>) = 0 [pid 5066] close(3) = 0 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] newfstatat(AT_FDCWD, "./1/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 5083 attached [pid 5066] <... clone resumed>, child_tidptr=0x55555683c650) = 5083 [pid 5064] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5064] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5064] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5064] getdents64(4, 0x555556845730 /* 2 entries */, 32768) = 48 [pid 5064] getdents64(4, 0x555556845730 /* 0 entries */, 32768) = 0 [pid 5064] close(4) = 0 [pid 5064] rmdir("./1/file0" [pid 5083] set_robust_list(0x55555683c660, 24 [pid 5064] <... rmdir resumed>) = 0 [pid 5083] <... set_robust_list resumed>) = 0 [pid 5083] chdir("./2" [pid 5064] getdents64(3, 0x55555683d6f0 /* 0 entries */, 32768) = 0 [pid 5064] close(3) = 0 [pid 5064] rmdir("./1") = 0 [pid 5064] mkdir("./2", 0777) = 0 [pid 5064] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5064] ioctl(3, LOOP_CLR_FD [pid 5083] <... chdir resumed>) = 0 [pid 5083] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5083] setpgid(0, 0) = 0 [pid 5083] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5083] write(3, "1000", 4) = 4 [pid 5083] close(3) = 0 [pid 5083] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5083] memfd_create("syzkaller", 0) = 3 [pid 5083] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2081800000 [pid 5067] <... ioctl resumed>) = 0 [pid 5067] close(3) = 0 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555683c650) = 5084 ./strace-static-x86_64: Process 5084 attached [pid 5084] set_robust_list(0x55555683c660, 24) = 0 [pid 5063] <... ioctl resumed>) = 0 [pid 5084] chdir("./2") = 0 [pid 5084] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5063] close(3 [pid 5084] <... prctl resumed>) = 0 [pid 5084] setpgid(0, 0) = 0 [pid 5084] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5063] <... close resumed>) = 0 [pid 5084] <... openat resumed>) = 3 [pid 5063] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5084] write(3, "1000", 4 [pid 5063] <... clone resumed>, child_tidptr=0x55555683c650) = 5085 ./strace-static-x86_64: Process 5085 attached [pid 5085] set_robust_list(0x55555683c660, 24) = 0 [pid 5085] chdir("./2") = 0 [pid 5085] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5085] setpgid(0, 0) = 0 [pid 5085] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5085] write(3, "1000", 4 [pid 5084] <... write resumed>) = 4 [pid 5085] <... write resumed>) = 4 [pid 5084] close(3 [pid 5085] close(3 [pid 5084] <... close resumed>) = 0 [pid 5085] <... close resumed>) = 0 [pid 5084] symlink("/dev/binderfs", "./binderfs" [pid 5085] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5084] <... symlink resumed>) = 0 [pid 5085] memfd_create("syzkaller", 0 [pid 5084] memfd_create("syzkaller", 0 [pid 5085] <... memfd_create resumed>) = 3 [pid 5085] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2081800000 [pid 5084] <... memfd_create resumed>) = 3 [pid 5084] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5064] <... ioctl resumed>) = 0 [pid 5084] <... mmap resumed>) = 0x7f2081800000 [pid 5064] close(3) = 0 [pid 5064] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555683c650) = 5086 [pid 5065] <... ioctl resumed>) = 0 [pid 5065] close(3) = 0 ./strace-static-x86_64: Process 5086 attached [pid 5086] set_robust_list(0x55555683c660, 24 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5086] <... set_robust_list resumed>) = 0 [pid 5086] chdir("./2") = 0 [pid 5086] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5086] setpgid(0, 0) = 0 [pid 5086] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5065] <... clone resumed>, child_tidptr=0x55555683c650) = 5087 [pid 5086] <... openat resumed>) = 3 [pid 5086] write(3, "1000", 4) = 4 [pid 5086] close(3) = 0 [pid 5086] symlink("/dev/binderfs", "./binderfs") = 0 ./strace-static-x86_64: Process 5087 attached [pid 5087] set_robust_list(0x55555683c660, 24) = 0 [pid 5086] memfd_create("syzkaller", 0 [pid 5087] chdir("./2") = 0 [pid 5086] <... memfd_create resumed>) = 3 [pid 5087] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5086] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5087] setpgid(0, 0 [pid 5086] <... mmap resumed>) = 0x7f2081800000 [pid 5087] <... setpgid resumed>) = 0 [pid 5087] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5083] 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 5087] write(3, "1000", 4) = 4 [pid 5087] close(3) = 0 [pid 5087] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5087] memfd_create("syzkaller", 0) = 3 [pid 5087] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2081800000 [pid 5085] 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 5084] 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 5086] 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 5087] 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 5083] <... write resumed>) = 16777216 [pid 5083] munmap(0x7f2081800000, 138412032) = 0 [pid 5083] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 5083] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5083] close(3) = 0 [pid 5083] close(4) = 0 [pid 5083] mkdir("./file0", 0777) = 0 [ 82.855558][ T5083] loop3: detected capacity change from 0 to 32768 [pid 5083] mount("/dev/loop3", "./file0", "jfs", MS_NOSUID|MS_NODIRATIME|MS_STRICTATIME, "iocharset=cp850,errors=continue,resize,errors=continue,resize=0x0000000000000000,") = 0 [pid 5083] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5083] chdir("./file0") = 0 [pid 5083] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5083] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|FASYNC, 000) = 4 [pid 5083] exit_group(0) = ? [ 82.908480][ T5083] [ 82.908480][ T5083] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 82.908480][ T5083] [pid 5083] +++ exited with 0 +++ [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5083, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=34 /* 0.34 s */} --- [pid 5066] umount2("./2", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5066] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5066] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5066] getdents64(3, 0x55555683d6f0 /* 4 entries */, 32768) = 112 [pid 5066] umount2("./2/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5066] newfstatat(AT_FDCWD, "./2/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5066] unlink("./2/binderfs") = 0 [ 83.019454][ T1101] [ 83.019454][ T1101] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 83.019454][ T1101] [ 83.058981][ T1101] [ 83.058981][ T1101] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 83.058981][ T1101] [ 83.096899][ T5066] [ 83.096899][ T5066] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 83.096899][ T5066] [ 83.126660][ T109] [ 83.126660][ T109] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 83.126660][ T109] [ 83.138000][ T5066] [ 83.138000][ T5066] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 83.138000][ T5066] [pid 5066] umount2("./2/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5066] umount2("./2/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5066] newfstatat(AT_FDCWD, "./2/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5066] umount2("./2/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5066] openat(AT_FDCWD, "./2/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5066] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5066] getdents64(4, 0x555556845730 /* 2 entries */, 32768) = 48 [pid 5066] getdents64(4, 0x555556845730 /* 0 entries */, 32768) = 0 [pid 5066] close(4) = 0 [pid 5066] rmdir("./2/file0") = 0 [pid 5066] getdents64(3, 0x55555683d6f0 /* 0 entries */, 32768) = 0 [pid 5066] close(3) = 0 [pid 5066] rmdir("./2") = 0 [pid 5066] mkdir("./3", 0777 [pid 5085] <... write resumed>) = 16777216 [pid 5066] <... mkdir resumed>) = 0 [pid 5066] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5066] ioctl(3, LOOP_CLR_FD [pid 5085] munmap(0x7f2081800000, 138412032 [pid 5084] <... write resumed>) = 16777216 [pid 5084] munmap(0x7f2081800000, 138412032 [pid 5085] <... munmap resumed>) = 0 [pid 5085] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5084] <... munmap resumed>) = 0 [pid 5085] ioctl(4, LOOP_SET_FD, 3 [pid 5086] <... write resumed>) = 16777216 [pid 5085] <... ioctl resumed>) = 0 [pid 5084] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5085] close(3 [pid 5084] <... openat resumed>) = 4 [pid 5084] ioctl(4, LOOP_SET_FD, 3 [pid 5085] <... close resumed>) = 0 [pid 5085] close(4) = 0 [pid 5086] munmap(0x7f2081800000, 138412032 [pid 5085] mkdir("./file0", 0777) = 0 [pid 5085] mount("/dev/loop0", "./file0", "jfs", MS_NOSUID|MS_NODIRATIME|MS_STRICTATIME, "iocharset=cp850,errors=continue,resize,errors=continue,resize=0x0000000000000000," [pid 5087] <... write resumed>) = 16777216 [pid 5084] <... ioctl resumed>) = 0 [pid 5084] close(3) = 0 [pid 5087] munmap(0x7f2081800000, 138412032 [pid 5084] close(4) = 0 [pid 5084] mkdir("./file0", 0777) = 0 [pid 5086] <... munmap resumed>) = 0 [pid 5086] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [ 83.307453][ T5085] loop0: detected capacity change from 0 to 32768 [ 83.332304][ T5084] loop4: detected capacity change from 0 to 32768 [pid 5086] ioctl(4, LOOP_SET_FD, 3 [pid 5084] mount("/dev/loop4", "./file0", "jfs", MS_NOSUID|MS_NODIRATIME|MS_STRICTATIME, "iocharset=cp850,errors=continue,resize,errors=continue,resize=0x0000000000000000," [pid 5086] <... ioctl resumed>) = 0 [pid 5086] close(3) = 0 [pid 5086] close(4 [pid 5085] <... mount resumed>) = 0 [pid 5086] <... close resumed>) = 0 [pid 5086] mkdir("./file0", 0777