./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1559499684 <...> Warning: Permanently added '10.128.1.12' (ED25519) to the list of known hosts. execve("./syz-executor1559499684", ["./syz-executor1559499684"], 0x7fff618a6180 /* 10 vars */) = 0 brk(NULL) = 0x555555add000 brk(0x555555addd00) = 0x555555addd00 arch_prctl(ARCH_SET_FS, 0x555555add380) = 0 set_tid_address(0x555555add650) = 5837 set_robust_list(0x555555add660, 24) = 0 rseq(0x555555addca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1559499684", 4096) = 28 getrandom("\xeb\x57\xf5\xb1\xdc\xd7\xec\xc1", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555555addd00 brk(0x555555afed00) = 0x555555afed00 brk(0x555555aff000) = 0x555555aff000 mprotect(0x7fcdf5701000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5838 attached [pid 5838] set_robust_list(0x555555add660, 24 [pid 5837] <... clone resumed>, child_tidptr=0x555555add650) = 5838 [pid 5838] <... set_robust_list resumed>) = 0 [pid 5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] mkdir("./syzkaller.ZJX5xA", 0700./strace-static-x86_64: Process 5839 attached [pid 5837] <... clone resumed>, child_tidptr=0x555555add650) = 5839 [pid 5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5839] set_robust_list(0x555555add660, 24) = 0 [pid 5839] mkdir("./syzkaller.Nzf5Sv", 0700./strace-static-x86_64: Process 5840 attached [pid 5837] <... clone resumed>, child_tidptr=0x555555add650) = 5840 [pid 5839] <... mkdir resumed>) = 0 [pid 5838] <... mkdir resumed>) = 0 [pid 5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5840] set_robust_list(0x555555add660, 24 [pid 5839] chmod("./syzkaller.Nzf5Sv", 0777./strace-static-x86_64: Process 5841 attached [pid 5838] chmod("./syzkaller.ZJX5xA", 0777 [pid 5837] <... clone resumed>, child_tidptr=0x555555add650) = 5841 [pid 5841] set_robust_list(0x555555add660, 24 [pid 5839] <... chmod resumed>) = 0 [pid 5838] <... chmod resumed>) = 0 [pid 5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5841] <... set_robust_list resumed>) = 0 [pid 5840] <... set_robust_list resumed>) = 0 [pid 5838] chdir("./syzkaller.ZJX5xA"./strace-static-x86_64: Process 5842 attached [pid 5840] getrandom( [pid 5839] chdir("./syzkaller.Nzf5Sv" [pid 5838] <... chdir resumed>) = 0 [pid 5839] <... chdir resumed>) = 0 [pid 5842] set_robust_list(0x555555add660, 24 [pid 5841] mkdir("./syzkaller.2kOaMo", 0700 [pid 5839] mkdir("./0", 0777 [pid 5838] mkdir("./0", 0777 [pid 5842] <... set_robust_list resumed>) = 0 [pid 5840] <... getrandom resumed>"\x5d\x9a\x19\x05\x35\xc7\xfc\x50", 8, GRND_NONBLOCK) = 8 [pid 5838] <... mkdir resumed>) = 0 [pid 5839] <... mkdir resumed>) = 0 [pid 5837] <... clone resumed>, child_tidptr=0x555555add650) = 5842 [pid 5842] mkdir("./syzkaller.4obsVb", 0700 [pid 5841] <... mkdir resumed>) = 0 [pid 5840] mkdir("./syzkaller.RNWkxH", 0700 [pid 5838] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5841] chmod("./syzkaller.2kOaMo", 0777 [pid 5839] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5842] <... mkdir resumed>) = 0 [pid 5841] <... chmod resumed>) = 0 [pid 5840] <... mkdir resumed>) = 0 [pid 5839] <... openat resumed>) = 3 [pid 5838] <... openat resumed>) = 3 [pid 5842] chmod("./syzkaller.4obsVb", 0777) = 0 [pid 5841] chdir("./syzkaller.2kOaMo" [pid 5840] chmod("./syzkaller.RNWkxH", 0777 [pid 5839] ioctl(3, LOOP_CLR_FD [pid 5838] ioctl(3, LOOP_CLR_FD [pid 5841] <... chdir resumed>) = 0 [pid 5842] chdir("./syzkaller.4obsVb") = 0 [pid 5842] mkdir("./0", 0777) = 0 [pid 5841] mkdir("./0", 0777 [pid 5840] <... chmod resumed>) = 0 [pid 5839] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5842] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5841] <... mkdir resumed>) = 0 [pid 5840] chdir("./syzkaller.RNWkxH" [pid 5839] close(3 [pid 5838] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5841] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5838] close(3 [pid 5842] <... openat resumed>) = 3 [pid 5841] <... openat resumed>) = 3 [pid 5840] <... chdir resumed>) = 0 [pid 5839] <... close resumed>) = 0 [pid 5838] <... close resumed>) = 0 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5843 attached [pid 5841] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5843] set_robust_list(0x555555add660, 24 [pid 5841] close(3) = 0 [pid 5843] <... set_robust_list resumed>) = 0 [pid 5841] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5843] chdir("./0"./strace-static-x86_64: Process 5844 attached [pid 5842] ioctl(3, LOOP_CLR_FD [pid 5840] mkdir("./0", 0777 [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5844] set_robust_list(0x555555add660, 24 [pid 5838] <... clone resumed>, child_tidptr=0x555555add650) = 5843 [pid 5843] <... chdir resumed>) = 0 [pid 5842] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5843] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5844] <... set_robust_list resumed>) = 0 [pid 5843] setpgid(0, 0./strace-static-x86_64: Process 5845 attached ) = 0 [pid 5844] chdir("./0" [pid 5842] close(3 [pid 5839] <... clone resumed>, child_tidptr=0x555555add650) = 5845 [pid 5845] set_robust_list(0x555555add660, 24 [pid 5843] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5840] <... mkdir resumed>) = 0 [pid 5844] <... chdir resumed>) = 0 [pid 5844] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5842] <... close resumed>) = 0 [pid 5840] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5845] <... set_robust_list resumed>) = 0 [pid 5844] <... prctl resumed>) = 0 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5845] chdir("./0" [pid 5843] <... openat resumed>) = 3 [pid 5841] <... clone resumed>, child_tidptr=0x555555add650) = 5844 [pid 5840] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5846 attached [pid 5845] <... chdir resumed>) = 0 [pid 5844] setpgid(0, 0 [pid 5843] write(3, "1000", 4 [pid 5846] set_robust_list(0x555555add660, 24 [pid 5845] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5844] <... setpgid resumed>) = 0 [pid 5843] <... write resumed>) = 4 [pid 5846] <... set_robust_list resumed>) = 0 [pid 5845] <... prctl resumed>) = 0 [pid 5843] close(3 [pid 5842] <... clone resumed>, child_tidptr=0x555555add650) = 5846 [pid 5840] ioctl(3, LOOP_CLR_FD [pid 5846] chdir("./0" [pid 5845] setpgid(0, 0 [pid 5844] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5843] <... close resumed>) = 0 [pid 5846] <... chdir resumed>) = 0 [pid 5845] <... setpgid resumed>) = 0 [pid 5844] <... openat resumed>) = 3 [pid 5843] symlink("/dev/binderfs", "./binderfs" [pid 5840] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5846] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5845] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5844] write(3, "1000", 4 [pid 5843] <... symlink resumed>) = 0 [pid 5840] close(3 [pid 5846] <... prctl resumed>) = 0 [pid 5844] <... write resumed>) = 4 [pid 5846] setpgid(0, 0 [pid 5845] <... openat resumed>) = 3 [pid 5844] close(3 [pid 5840] <... close resumed>) = 0 [pid 5846] <... setpgid resumed>) = 0 [pid 5845] write(3, "1000", 4 [pid 5844] <... close resumed>) = 0 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5846] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5845] <... write resumed>) = 4 [pid 5844] symlink("/dev/binderfs", "./binderfs" [pid 5843] write(1, "executing program\n", 18executing program ./strace-static-x86_64: Process 5847 attached [pid 5846] <... openat resumed>) = 3 [pid 5845] close(3 [pid 5844] <... symlink resumed>) = 0 [pid 5843] <... write resumed>) = 18 [pid 5845] <... close resumed>) = 0 [pid 5845] symlink("/dev/binderfs", "./binderfs" [pid 5846] write(3, "1000", 4 [pid 5843] memfd_create("syzkaller", 0 [pid 5847] set_robust_list(0x555555add660, 24 [pid 5840] <... clone resumed>, child_tidptr=0x555555add650) = 5847 [pid 5847] <... set_robust_list resumed>) = 0 [pid 5846] <... write resumed>) = 4 executing program executing program [pid 5845] <... symlink resumed>) = 0 [pid 5844] write(1, "executing program\n", 18 [pid 5843] <... memfd_create resumed>) = 3 [pid 5847] chdir("./0" [pid 5846] close(3 [pid 5845] write(1, "executing program\n", 18 [pid 5844] <... write resumed>) = 18 [pid 5847] <... chdir resumed>) = 0 [pid 5845] <... write resumed>) = 18 [pid 5847] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5846] <... close resumed>) = 0 [pid 5844] memfd_create("syzkaller", 0 [pid 5843] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5847] <... prctl resumed>) = 0 [pid 5846] symlink("/dev/binderfs", "./binderfs" [pid 5845] memfd_create("syzkaller", 0 [pid 5843] <... mmap resumed>) = 0x7fcded200000 [pid 5847] setpgid(0, 0 [pid 5846] <... symlink resumed>) = 0 [pid 5845] <... memfd_create resumed>) = 3 [pid 5844] <... memfd_create resumed>) = 3 [pid 5847] <... setpgid resumed>) = 0 [pid 5845] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5844] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5845] <... mmap resumed>) = 0x7fcded200000 [pid 5844] <... mmap resumed>) = 0x7fcded200000 [pid 5847] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program [pid 5846] write(1, "executing program\n", 18) = 18 [pid 5846] memfd_create("syzkaller", 0) = 3 [pid 5846] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fcded200000 [pid 5847] <... openat resumed>) = 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", 18executing program ) = 18 [pid 5847] memfd_create("syzkaller", 0) = 3 [pid 5847] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fcded200000 [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 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 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 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 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 5844] <... write resumed>) = 16777216 [pid 5844] munmap(0x7fcded200000, 138412032 [pid 5845] <... write resumed>) = 16777216 [pid 5844] <... munmap resumed>) = 0 [pid 5845] munmap(0x7fcded200000, 138412032 [pid 5844] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 5844] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5843] <... write resumed>) = 16777216 [pid 5845] <... munmap resumed>) = 0 [pid 5844] close(3 [pid 5843] munmap(0x7fcded200000, 138412032 [pid 5845] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5844] <... close resumed>) = 0 [pid 5844] close(4 [pid 5845] <... openat resumed>) = 4 [pid 5845] ioctl(4, LOOP_SET_FD, 3 [pid 5844] <... close resumed>) = 0 [pid 5845] <... ioctl resumed>) = 0 [pid 5844] mkdir("./file0", 0777 [pid 5846] <... write resumed>) = 16777216 [pid 5844] <... mkdir resumed>) = 0 [pid 5847] <... write resumed>) = 16777216 [pid 5843] <... munmap resumed>) = 0 [pid 5847] munmap(0x7fcded200000, 138412032 [pid 5846] munmap(0x7fcded200000, 138412032 [pid 5845] close(3 [pid 5844] mount("/dev/loop3", "./file0", "jfs", 0, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [ 63.167195][ T5844] loop3: detected capacity change from 0 to 32768 [ 63.196500][ T5845] loop1: detected capacity change from 0 to 32768 [pid 5843] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5845] <... close resumed>) = 0 [pid 5843] <... openat resumed>) = 4 [pid 5845] close(4) = 0 [pid 5843] ioctl(4, LOOP_SET_FD, 3 [pid 5845] mkdir("./file0", 0777 [pid 5846] <... munmap resumed>) = 0 [pid 5845] <... mkdir resumed>) = 0 [pid 5845] mount("/dev/loop1", "./file0", "jfs", 0, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 5846] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 5846] ioctl(4, LOOP_SET_FD, 3 [pid 5847] <... munmap resumed>) = 0 [pid 5847] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5843] <... ioctl resumed>) = 0 [pid 5843] close(3) = 0 [pid 5843] close(4) = 0 [pid 5847] <... openat resumed>) = 4 [ 63.240624][ T5843] loop0: detected capacity change from 0 to 32768 [ 63.251562][ T5846] loop4: detected capacity change from 0 to 32768 [ 63.257307][ T5845] [ 63.257307][ T5845] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 63.257307][ T5845] [ 63.261617][ T5844] [ 63.261617][ T5844] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 63.261617][ T5844] [pid 5843] mkdir("./file0", 0777 [pid 5847] ioctl(4, LOOP_SET_FD, 3 [pid 5846] <... ioctl resumed>) = 0 [pid 5843] <... mkdir resumed>) = 0 [pid 5846] close(3 [pid 5843] mount("/dev/loop0", "./file0", "jfs", 0, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 5846] <... close resumed>) = 0 [pid 5846] close(4) = 0 [pid 5846] mkdir("./file0", 0777) = 0 [pid 5846] mount("/dev/loop4", "./file0", "jfs", 0, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 5847] <... ioctl resumed>) = 0 [pid 5845] <... mount resumed>) = 0 [pid 5844] <... mount resumed>) = 0 [pid 5847] close(3 [pid 5845] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5844] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5844] chdir("./file0") = 0 [pid 5844] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5844] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 5845] <... openat resumed>) = 3 [pid 5847] <... close resumed>) = 0 [pid 5845] chdir("./file0" [pid 5847] close(4) = 0 [pid 5847] mkdir("./file0", 0777 [pid 5845] <... chdir resumed>) = 0 [pid 5845] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5847] <... mkdir resumed>) = 0 [pid 5844] <... openat resumed>) = 4 [pid 5844] exit_group(0) = ? [pid 5847] mount("/dev/loop2", "./file0", "jfs", 0, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 5845] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5844] +++ exited with 0 +++ [pid 5841] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5844, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=26 /* 0.26 s */} --- [pid 5841] restart_syscall(<... resuming interrupted clone ...> [pid 5843] <... mount resumed>) = 0 [pid 5843] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5845] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 5843] <... openat resumed>) = 3 [pid 5843] chdir("./file0") = 0 [pid 5843] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5843] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000) = 4 [pid 5845] <... openat resumed>) = 4 [pid 5843] exit_group(0) = ? [pid 5841] <... restart_syscall resumed>) = 0 [pid 5841] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5845] exit_group(0 [pid 5843] +++ exited with 0 +++ [pid 5841] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5845] <... exit_group resumed>) = ? [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5843, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=25 /* 0.25 s */} --- [pid 5841] <... openat resumed>) = 3 [pid 5846] <... mount resumed>) = 0 [pid 5845] +++ exited with 0 +++ [pid 5841] newfstatat(3, "", [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5845, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=25 /* 0.25 s */} --- [pid 5841] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5839] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5846] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5841] getdents64(3, [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5846] <... openat resumed>) = 3 [pid 5841] <... getdents64 resumed>0x555555ade6f0 /* 4 entries */, 32768) = 112 [ 63.286066][ T5847] loop2: detected capacity change from 0 to 32768 [ 63.299193][ T5843] [ 63.299193][ T5843] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 63.299193][ T5843] [ 63.320744][ T5846] [ 63.320744][ T5846] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 63.320744][ T5846] [pid 5839] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5846] chdir("./file0" [pid 5841] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... openat resumed>) = 3 [pid 5838] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5846] <... chdir resumed>) = 0 [pid 5841] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] newfstatat(3, "", [pid 5841] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5838] <... openat resumed>) = 3 [pid 5841] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] getdents64(3, [pid 5838] newfstatat(3, "", [pid 5846] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5841] unlink("./0/binderfs" [pid 5839] <... getdents64 resumed>0x555555ade6f0 /* 4 entries */, 32768) = 112 [pid 5846] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5839] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5846] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5841] <... unlink resumed>) = 0 [pid 5839] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5838] getdents64(3, [pid 5846] <... openat resumed>) = 4 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] unlink("./0/binderfs") = 0 [pid 5846] exit_group(0 [pid 5839] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5846] <... exit_group resumed>) = ? [pid 5846] +++ exited with 0 +++ [pid 5838] <... getdents64 resumed>0x555555ade6f0 /* 4 entries */, 32768) = 112 [pid 5841] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5846, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=24 /* 0.24 s */} --- [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5838] unlink("./0/binderfs" [pid 5842] <... openat resumed>) = 3 [pid 5838] <... unlink resumed>) = 0 [pid 5842] newfstatat(3, "", [pid 5838] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5842] getdents64(3, 0x555555ade6f0 /* 4 entries */, 32768) = 112 [pid 5842] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] unlink("./0/binderfs") = 0 [pid 5842] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5847] <... mount resumed>) = 0 [ 63.380594][ T5847] [ 63.380594][ T5847] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 63.380594][ T5847] [ 63.395030][ T1314] [ 63.395030][ T1314] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 63.395030][ T1314] [ 63.406324][ T1314] [ 63.406324][ T1314] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 63.406324][ T1314] [ 63.408644][ T3556] [ 63.408644][ T3556] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 63.408644][ T3556] [ 63.427864][ T5839] [ 63.427864][ T5839] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 63.427864][ T5839] [ 63.427872][ T3556] [ 63.427872][ T3556] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 63.427872][ T3556] [ 63.439427][ T35] [ 63.439427][ T35] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 63.439427][ T35] [ 63.460523][ T1314] [ 63.460523][ T1314] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 63.460523][ T1314] [ 63.460544][ T1314] [ 63.460544][ T1314] ... Log Wrap ... Log Wrap ... Log Wrap ... [pid 5847] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5847] chdir("./file0") = 0 [pid 5847] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [ 63.460544][ T1314] [ 63.483678][ T113] [ 63.483678][ T113] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 63.483678][ T113] [ 63.486590][ T112] [ 63.486590][ T112] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 63.486590][ T112] [ 63.505902][ T5839] [ 63.505902][ T5839] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 63.505902][ T5839] [ 63.519103][ T113] [ 63.519103][ T113] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 63.519103][ T113] [pid 5847] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000) = 4 [ 63.530204][ T5841] [ 63.530204][ T5841] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 63.530204][ T5841] [ 63.532767][ T35] [ 63.532767][ T35] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 63.532767][ T35] [ 63.552353][ T5838] [ 63.552353][ T5838] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 63.552353][ T5838] [ 63.553745][ T5842] [ 63.553745][ T5842] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 63.553745][ T5842] [ 63.574113][ T5841] [pid 5847] exit_group(0) = ? [pid 5847] +++ exited with 0 +++ [pid 5839] <... umount2 resumed>) = 0 [pid 5842] <... umount2 resumed>) = 0 [pid 5842] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./0/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5847, si_uid=0, si_status=0, si_utime=9 /* 0.09 s */, si_stime=19 /* 0.19 s */} --- [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5839] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] getdents64(4, [pid 5839] newfstatat(AT_FDCWD, "./0/file0", [pid 5842] <... getdents64 resumed>0x555555ae6730 /* 2 entries */, 32768) = 48 [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] getdents64(4, [pid 5839] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] <... getdents64 resumed>0x555555ae6730 /* 0 entries */, 32768) = 0 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] close(4 [pid 5839] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5842] <... close resumed>) = 0 [pid 5839] <... openat resumed>) = 4 [pid 5842] rmdir("./0/file0" [pid 5839] newfstatat(4, "", [pid 5842] <... rmdir resumed>) = 0 [pid 5842] getdents64(3, [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5842] <... getdents64 resumed>0x555555ade6f0 /* 0 entries */, 32768) = 0 [pid 5839] getdents64(4, [pid 5842] close(3) = 0 [pid 5839] <... getdents64 resumed>0x555555ae6730 /* 2 entries */, 32768) = 48 [pid 5842] rmdir("./0") = 0 [pid 5839] getdents64(4, [pid 5842] mkdir("./1", 0777 [pid 5839] <... getdents64 resumed>0x555555ae6730 /* 0 entries */, 32768) = 0 [pid 5842] <... mkdir resumed>) = 0 [pid 5839] close(4 [pid 5838] <... umount2 resumed>) = 0 [pid 5842] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5839] <... close resumed>) = 0 [pid 5838] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] rmdir("./0/file0" [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] <... openat resumed>) = 3 [pid 5842] ioctl(3, LOOP_CLR_FD) = 0 [pid 5842] close(3 [pid 5839] <... rmdir resumed>) = 0 [pid 5839] getdents64(3, [pid 5838] newfstatat(AT_FDCWD, "./0/file0", [pid 5839] <... getdents64 resumed>0x555555ade6f0 /* 0 entries */, 32768) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5841] <... umount2 resumed>) = 0 [pid 5839] close(3 [pid 5838] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5841] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... close resumed>) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] rmdir("./0" [pid 5841] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5838] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5839] <... rmdir resumed>) = 0 [pid 5838] <... openat resumed>) = 4 [pid 5841] newfstatat(AT_FDCWD, "./0/file0", [pid 5839] mkdir("./1", 0777 [pid 5838] newfstatat(4, "", [pid 5840] <... openat resumed>) = 3 [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5840] newfstatat(3, "", [pid 5838] getdents64(4, [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5838] <... getdents64 resumed>0x555555ae6730 /* 2 entries */, 32768) = 48 [pid 5838] getdents64(4, [pid 5840] getdents64(3, [pid 5839] <... mkdir resumed>) = 0 [pid 5838] <... getdents64 resumed>0x555555ae6730 /* 0 entries */, 32768) = 0 [pid 5840] <... getdents64 resumed>0x555555ade6f0 /* 4 entries */, 32768) = 112 [pid 5839] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5838] close(4 [pid 5840] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... openat resumed>) = 3 [pid 5838] <... close resumed>) = 0 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] ioctl(3, LOOP_CLR_FD [pid 5838] rmdir("./0/file0" [pid 5840] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5839] <... ioctl resumed>) = 0 [pid 5841] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 63.574113][ T5841] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 63.574113][ T5841] [ 63.575624][ T5842] [ 63.575624][ T5842] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 63.575624][ T5842] [ 63.596038][ T113] [ 63.596038][ T113] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 63.596038][ T113] [ 63.599271][ T5838] [ 63.599271][ T5838] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 63.599271][ T5838] [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] close(3 [pid 5838] <... rmdir resumed>) = 0 [pid 5841] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] unlink("./0/binderfs" [pid 5838] getdents64(3, 0x555555ade6f0 /* 0 entries */, 32768) = 0 [pid 5840] <... unlink resumed>) = 0 [pid 5838] close(3 [pid 5840] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... close resumed>) = 0 [pid 5838] rmdir("./0") = 0 [pid 5841] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] mkdir("./1", 0777 [pid 5841] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5838] <... mkdir resumed>) = 0 [pid 5841] <... openat resumed>) = 4 [pid 5838] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5841] newfstatat(4, "", [pid 5838] <... openat resumed>) = 3 [pid 5841] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5838] ioctl(3, LOOP_CLR_FD [pid 5841] getdents64(4, [pid 5838] <... ioctl resumed>) = 0 [pid 5841] <... getdents64 resumed>0x555555ae6730 /* 2 entries */, 32768) = 48 [pid 5838] close(3 [pid 5841] getdents64(4, 0x555555ae6730 /* 0 entries */, 32768) = 0 [pid 5841] close(4) = 0 [ 63.686796][ T1314] [ 63.686796][ T1314] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 63.686796][ T1314] [pid 5841] rmdir("./0/file0") = 0 [pid 5841] getdents64(3, 0x555555ade6f0 /* 0 entries */, 32768) = 0 [pid 5841] close(3) = 0 [pid 5841] rmdir("./0") = 0 [pid 5841] mkdir("./1", 0777) = 0 [pid 5841] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5841] ioctl(3, LOOP_CLR_FD) = 0 [ 63.731566][ T1314] [ 63.731566][ T1314] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 63.731566][ T1314] [ 63.763046][ T112] [ 63.763046][ T112] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 63.763046][ T112] [ 63.786895][ T5840] [ 63.786895][ T5840] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 63.786895][ T5840] [pid 5841] close(3 [pid 5842] <... close resumed>) = 0 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5852 attached [pid 5840] <... umount2 resumed>) = 0 [pid 5842] <... clone resumed>, child_tidptr=0x555555add650) = 5852 [pid 5852] set_robust_list(0x555555add660, 24) = 0 [pid 5852] chdir("./1" [pid 5838] <... close resumed>) = 0 [pid 5852] <... chdir resumed>) = 0 [pid 5852] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5840] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5852] <... prctl resumed>) = 0 [pid 5852] setpgid(0, 0) = 0 [pid 5852] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5852] write(3, "1000", 4) = 4 [pid 5852] close(3) = 0 [pid 5852] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5852] write(1, "executing program\n", 18) = 18 [ 63.835814][ T5840] [ 63.835814][ T5840] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 63.835814][ T5840] [pid 5852] memfd_create("syzkaller", 0) = 3 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... close resumed>) = 0 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5840] newfstatat(AT_FDCWD, "./0/file0", [pid 5852] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5853 attached [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5852] <... mmap resumed>) = 0x7fcded200000 [pid 5840] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5854 attached [pid 5854] set_robust_list(0x555555add660, 24 [pid 5853] set_robust_list(0x555555add660, 24 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... clone resumed>, child_tidptr=0x555555add650) = 5854 [pid 5854] <... set_robust_list resumed>) = 0 [pid 5840] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5853] <... set_robust_list resumed>) = 0 [pid 5854] chdir("./1" [pid 5853] chdir("./1" [pid 5840] <... openat resumed>) = 4 [pid 5854] <... chdir resumed>) = 0 [pid 5840] newfstatat(4, "", [pid 5854] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5853] <... chdir resumed>) = 0 [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5838] <... clone resumed>, child_tidptr=0x555555add650) = 5853 [pid 5854] setpgid(0, 0 [pid 5840] getdents64(4, [pid 5854] <... setpgid resumed>) = 0 [pid 5853] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5840] <... getdents64 resumed>0x555555ae6730 /* 2 entries */, 32768) = 48 [pid 5854] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5840] getdents64(4, [pid 5853] <... prctl resumed>) = 0 [pid 5854] <... openat resumed>) = 3 [pid 5840] <... getdents64 resumed>0x555555ae6730 /* 0 entries */, 32768) = 0 [pid 5854] write(3, "1000", 4 [pid 5840] close(4 [pid 5854] <... write resumed>) = 4 [pid 5840] <... close resumed>) = 0 [pid 5854] close(3 [pid 5840] rmdir("./0/file0" [pid 5854] <... close resumed>) = 0 [pid 5853] setpgid(0, 0 [pid 5854] symlink("/dev/binderfs", "./binderfs" [pid 5840] <... rmdir resumed>) = 0 [pid 5853] <... setpgid resumed>) = 0 executing program [pid 5854] <... symlink resumed>) = 0 [pid 5853] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5854] write(1, "executing program\n", 18 [pid 5840] getdents64(3, [pid 5854] <... write resumed>) = 18 [pid 5853] <... openat resumed>) = 3 [pid 5853] write(3, "1000", 4 [pid 5840] <... getdents64 resumed>0x555555ade6f0 /* 0 entries */, 32768) = 0 [pid 5854] memfd_create("syzkaller", 0 [pid 5853] <... write resumed>) = 4 [pid 5840] close(3 [pid 5841] <... close resumed>) = 0 [pid 5840] <... close resumed>) = 0 [pid 5841] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5840] rmdir("./0" [pid 5854] <... memfd_create resumed>) = 3 [pid 5853] close(3) = 0 [pid 5854] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5853] symlink("/dev/binderfs", "./binderfs" [pid 5840] <... rmdir resumed>) = 0 [pid 5854] <... mmap resumed>) = 0x7fcded200000 [pid 5840] mkdir("./1", 0777 [pid 5853] <... symlink resumed>) = 0 executing program [pid 5840] <... mkdir resumed>) = 0 [pid 5853] write(1, "executing program\n", 18 [pid 5840] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5853] <... write resumed>) = 18 ./strace-static-x86_64: Process 5855 attached [pid 5853] memfd_create("syzkaller", 0 [pid 5840] <... openat resumed>) = 3 [pid 5841] <... clone resumed>, child_tidptr=0x555555add650) = 5855 [pid 5840] ioctl(3, LOOP_CLR_FD [pid 5855] set_robust_list(0x555555add660, 24 [pid 5853] <... memfd_create resumed>) = 3 [pid 5840] <... ioctl resumed>) = 0 [pid 5855] <... set_robust_list resumed>) = 0 [pid 5853] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5840] close(3 [pid 5855] chdir("./1" [pid 5853] <... mmap resumed>) = 0x7fcded200000 [pid 5855] <... chdir resumed>) = 0 [pid 5855] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5855] setpgid(0, 0) = 0 [pid 5855] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5855] write(3, "1000", 4) = 4 [pid 5855] close(3) = 0 [pid 5855] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5855] write(1, "executing program\n", 18executing program ) = 18 [pid 5855] memfd_create("syzkaller", 0) = 3 [pid 5855] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fcded200000 [pid 5840] <... close resumed>) = 0 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5856 attached [pid 5856] set_robust_list(0x555555add660, 24 [pid 5840] <... clone resumed>, child_tidptr=0x555555add650) = 5856 [pid 5856] <... set_robust_list resumed>) = 0 [pid 5856] chdir("./1") = 0 [pid 5856] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5856] setpgid(0, 0) = 0 [pid 5856] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5856] write(3, "1000", 4) = 4 [pid 5856] close(3) = 0 [pid 5856] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5856] write(1, "executing program\n", 18) = 18 [pid 5856] memfd_create("syzkaller", 0) = 3 [pid 5856] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fcded200000 [pid 5854] 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 5852] 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 5853] 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 5855] 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 5856] 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 5852] <... write resumed>) = 16777216 [pid 5852] munmap(0x7fcded200000, 138412032) = 0 [pid 5852] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 5852] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5852] close(3) = 0 [pid 5852] close(4 [pid 5854] <... write resumed>) = 16777216 [pid 5852] <... close resumed>) = 0 [pid 5854] munmap(0x7fcded200000, 138412032 [pid 5852] mkdir("./file0", 0777) = 0 [ 64.631937][ T5852] loop4: detected capacity change from 0 to 32768 [pid 5852] mount("/dev/loop4", "./file0", "jfs", 0, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 5853] <... write resumed>) = 16777216 [pid 5853] munmap(0x7fcded200000, 138412032 [pid 5854] <... munmap resumed>) = 0 [pid 5854] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5854] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5854] close(3) = 0 [pid 5854] close(4) = 0 [pid 5854] mkdir("./file0", 0777) = 0 [pid 5854] mount("/dev/loop1", "./file0", "jfs", 0, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 5852] <... mount resumed>) = 0 [pid 5852] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5853] <... munmap resumed>) = 0 [ 64.697972][ T5852] [ 64.697972][ T5852] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 64.697972][ T5852] [ 64.701518][ T5854] loop1: detected capacity change from 0 to 32768 [pid 5853] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5852] <... openat resumed>) = 3 [pid 5853] <... openat resumed>) = 4 [pid 5852] chdir("./file0" [pid 5853] ioctl(4, LOOP_SET_FD, 3 [pid 5852] <... chdir resumed>) = 0 [pid 5852] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5855] <... write resumed>) = 16777216 [pid 5853] <... ioctl resumed>) = 0 [pid 5852] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5852] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000) = 4 [pid 5853] close(3 [pid 5852] exit_group(0 [pid 5855] munmap(0x7fcded200000, 138412032 [pid 5853] <... close resumed>) = 0 [pid 5852] <... exit_group resumed>) = ? [pid 5853] close(4) = 0 [pid 5852] +++ exited with 0 +++ [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5852, si_uid=0, si_status=0, si_utime=11 /* 0.11 s */, si_stime=19 /* 0.19 s */} --- [pid 5842] restart_syscall(<... resuming interrupted clone ...> [pid 5853] mkdir("./file0", 0777 [pid 5842] <... restart_syscall resumed>) = 0 [pid 5842] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5853] <... mkdir resumed>) = 0 [pid 5842] newfstatat(3, "", [pid 5853] mount("/dev/loop0", "./file0", "jfs", 0, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5842] getdents64(3, 0x555555ade6f0 /* 4 entries */, 32768) = 112 [pid 5842] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] unlink("./1/binderfs" [pid 5856] <... write resumed>) = 16777216 [pid 5842] <... unlink resumed>) = 0 [ 64.744690][ T5853] loop0: detected capacity change from 0 to 32768 [ 64.755313][ T5854] [ 64.755313][ T5854] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 64.755313][ T5854] [pid 5842] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5854] <... mount resumed>) = 0 [pid 5854] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5854] chdir("./file0") = 0 [pid 5854] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5854] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000) = 4 [pid 5854] exit_group(0) = ? [pid 5854] +++ exited with 0 +++ [pid 5856] munmap(0x7fcded200000, 138412032 [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5854, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=21 /* 0.21 s */} --- [pid 5839] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5839] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5839] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5839] getdents64(3, 0x555555ade6f0 /* 4 entries */, 32768) = 112 [pid 5839] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5855] <... munmap resumed>) = 0 [pid 5839] newfstatat(AT_FDCWD, "./1/binderfs", [pid 5855] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5855] <... openat resumed>) = 4 [pid 5839] unlink("./1/binderfs" [pid 5855] ioctl(4, LOOP_SET_FD, 3 [pid 5839] <... unlink resumed>) = 0 [pid 5839] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5856] <... munmap resumed>) = 0 [ 64.797978][ T3489] [ 64.797978][ T3489] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 64.797978][ T3489] [ 64.825448][ T5855] loop3: detected capacity change from 0 to 32768 [ 64.834518][ T3489] [ 64.834518][ T3489] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 64.834518][ T3489] [ 64.845460][ T35] [pid 5856] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5855] <... ioctl resumed>) = 0 [pid 5856] <... openat resumed>) = 4 [pid 5855] close(3 [pid 5856] ioctl(4, LOOP_SET_FD, 3 [pid 5855] <... close resumed>) = 0 [pid 5855] close(4) = 0 [pid 5855] mkdir("./file0", 0777 [pid 5856] <... ioctl resumed>) = 0 [pid 5856] close(3 [pid 5855] <... mkdir resumed>) = 0 [ 64.845460][ T35] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 64.845460][ T35] [ 64.846295][ T5842] [ 64.846295][ T5842] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 64.846295][ T5842] [ 64.868001][ T5853] [ 64.868001][ T5853] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 64.868001][ T5853] [ 64.879013][ T5856] loop2: detected capacity change from 0 to 32768 [ 64.879386][ T35] [ 64.879386][ T35] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 64.879386][ T35] [pid 5855] mount("/dev/loop3", "./file0", "jfs", 0, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 5856] <... close resumed>) = 0 [pid 5856] close(4) = 0 [pid 5856] mkdir("./file0", 0777) = 0 [pid 5855] <... mount resumed>) = 0 [pid 5853] <... mount resumed>) = 0 [ 64.903887][ T113] [ 64.903887][ T113] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 64.903887][ T113] [ 64.917603][ T5839] [ 64.917603][ T5839] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 64.917603][ T5839] [ 64.919884][ T5855] [ 64.919884][ T5855] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 64.919884][ T5855] [ 64.937173][ T112] [ 64.937173][ T112] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 64.937173][ T112] [ 64.941870][ T5842] [pid 5856] mount("/dev/loop2", "./file0", "jfs", 0, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 5855] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5853] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5855] <... openat resumed>) = 3 [pid 5853] <... openat resumed>) = 3 [pid 5855] chdir("./file0" [pid 5853] chdir("./file0" [pid 5855] <... chdir resumed>) = 0 [pid 5853] <... chdir resumed>) = 0 [pid 5855] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5853] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5855] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5853] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5855] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 5853] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 5855] <... openat resumed>) = 4 [pid 5853] <... openat resumed>) = 4 [pid 5853] exit_group(0 [pid 5855] exit_group(0 [pid 5853] <... exit_group resumed>) = ? [pid 5855] <... exit_group resumed>) = ? [pid 5853] +++ exited with 0 +++ [pid 5855] +++ exited with 0 +++ [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5853, si_uid=0, si_status=0, si_utime=9 /* 0.09 s */, si_stime=23 /* 0.23 s */} --- [pid 5841] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5855, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=27 /* 0.27 s */} --- [pid 5838] restart_syscall(<... resuming interrupted clone ...> [pid 5841] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5841] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5841] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5841] getdents64(3, 0x555555ade6f0 /* 4 entries */, 32768) = 112 [pid 5841] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5841] newfstatat(AT_FDCWD, "./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5841] unlink("./1/binderfs") = 0 [pid 5841] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... restart_syscall resumed>) = 0 [ 64.941870][ T5842] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 64.941870][ T5842] [ 64.954692][ T5839] [ 64.954692][ T5839] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 64.954692][ T5839] [ 64.982077][ T3489] [ 64.982077][ T3489] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 64.982077][ T3489] [ 64.996512][ T5856] [pid 5838] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5838] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5838] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5838] getdents64(3, [pid 5842] <... umount2 resumed>) = 0 [pid 5838] <... getdents64 resumed>0x555555ade6f0 /* 4 entries */, 32768) = 112 [pid 5856] <... mount resumed>) = 0 [pid 5838] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5856] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5838] newfstatat(AT_FDCWD, "./1/binderfs", [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5856] <... openat resumed>) = 3 [pid 5842] newfstatat(AT_FDCWD, "./1/file0", [pid 5838] unlink("./1/binderfs" [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5838] <... unlink resumed>) = 0 [pid 5842] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5838] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] <... openat resumed>) = 4 [pid 5842] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5842] getdents64(4, 0x555555ae6730 /* 2 entries */, 32768) = 48 [pid 5842] getdents64(4, 0x555555ae6730 /* 0 entries */, 32768) = 0 [pid 5842] close(4) = 0 [pid 5842] rmdir("./1/file0") = 0 [pid 5842] getdents64(3, 0x555555ade6f0 /* 0 entries */, 32768) = 0 [pid 5842] close(3) = 0 [pid 5842] rmdir("./1" [pid 5856] chdir("./file0" [pid 5842] <... rmdir resumed>) = 0 [pid 5839] <... umount2 resumed>) = 0 [ 64.996512][ T5856] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 64.996512][ T5856] [ 65.007948][ T3489] [ 65.007948][ T3489] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 65.007948][ T3489] [ 65.024980][ T113] [ 65.024980][ T113] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 65.024980][ T113] [ 65.040614][ T5841] [ 65.040614][ T5841] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 65.040614][ T5841] [ 65.042830][ T3489] [pid 5842] mkdir("./2", 0777) = 0 [pid 5856] <... chdir resumed>) = 0 [pid 5839] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5842] ioctl(3, LOOP_CLR_FD) = 0 [pid 5842] close(3 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5856] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5839] newfstatat(AT_FDCWD, "./1/file0", [pid 5856] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5856] <... openat resumed>) = 4 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5856] exit_group(0 [pid 5839] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5839] newfstatat(4, "", [pid 5856] <... exit_group resumed>) = ? [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5856] +++ exited with 0 +++ [pid 5839] getdents64(4, [pid 5841] <... umount2 resumed>) = 0 [pid 5841] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5856, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=23 /* 0.23 s */} --- [pid 5840] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... getdents64 resumed>0x555555ae6730 /* 2 entries */, 32768) = 48 [pid 5841] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] getdents64(4, [pid 5841] newfstatat(AT_FDCWD, "./1/file0", [pid 5840] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5839] <... getdents64 resumed>0x555555ae6730 /* 0 entries */, 32768) = 0 [pid 5841] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] <... openat resumed>) = 3 [pid 5839] close(4 [pid 5841] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] newfstatat(3, "", [pid 5839] <... close resumed>) = 0 [pid 5841] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5839] rmdir("./1/file0" [pid 5841] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5840] getdents64(3, [pid 5841] <... openat resumed>) = 4 [pid 5840] <... getdents64 resumed>0x555555ade6f0 /* 4 entries */, 32768) = 112 [pid 5839] <... rmdir resumed>) = 0 [pid 5841] newfstatat(4, "", [pid 5840] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5841] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5841] getdents64(4, [pid 5840] newfstatat(AT_FDCWD, "./1/binderfs", [pid 5841] <... getdents64 resumed>0x555555ae6730 /* 2 entries */, 32768) = 48 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5841] getdents64(4, [pid 5840] unlink("./1/binderfs" [pid 5841] <... getdents64 resumed>0x555555ae6730 /* 0 entries */, 32768) = 0 [pid 5840] <... unlink resumed>) = 0 [ 65.042830][ T3489] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 65.042830][ T3489] [ 65.062937][ T5841] [ 65.062937][ T5841] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 65.062937][ T5841] [ 65.089181][ T3489] [ 65.089181][ T3489] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 65.089181][ T3489] [pid 5839] getdents64(3, [pid 5841] close(4 [pid 5840] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... getdents64 resumed>0x555555ade6f0 /* 0 entries */, 32768) = 0 [pid 5841] <... close resumed>) = 0 [pid 5839] close(3 [pid 5841] rmdir("./1/file0" [pid 5839] <... close resumed>) = 0 [pid 5841] <... rmdir resumed>) = 0 [pid 5841] getdents64(3, 0x555555ade6f0 /* 0 entries */, 32768) = 0 [pid 5841] close(3) = 0 [pid 5841] rmdir("./1") = 0 [pid 5841] mkdir("./2", 0777) = 0 [pid 5841] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5841] ioctl(3, LOOP_CLR_FD) = 0 [pid 5841] close(3 [pid 5839] rmdir("./1") = 0 [pid 5839] mkdir("./2", 0777) = 0 [pid 5839] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5839] ioctl(3, LOOP_CLR_FD) = 0 [ 65.118546][ T112] [ 65.118546][ T112] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 65.118546][ T112] [ 65.130264][ T3489] [ 65.130264][ T3489] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 65.130264][ T3489] [pid 5839] close(3 [pid 5841] <... close resumed>) = 0 [pid 5841] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555add650) = 5857 ./strace-static-x86_64: Process 5857 attached [pid 5857] set_robust_list(0x555555add660, 24) = 0 [pid 5857] chdir("./2") = 0 [pid 5857] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5857] setpgid(0, 0) = 0 [ 65.185516][ T5838] [ 65.185516][ T5838] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 65.185516][ T5838] [ 65.206793][ T3489] [ 65.206793][ T3489] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 65.206793][ T3489] [ 65.218629][ T5840] [ 65.218629][ T5840] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 65.218629][ T5840] [pid 5857] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program ) = 3 [pid 5857] write(3, "1000", 4) = 4 [pid 5857] close(3) = 0 [pid 5857] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5857] write(1, "executing program\n", 18) = 18 [pid 5857] memfd_create("syzkaller", 0) = 3 [pid 5857] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fcded200000 [pid 5840] <... umount2 resumed>) = 0 [pid 5840] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./1/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5840] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5840] getdents64(4, 0x555555ae6730 /* 2 entries */, 32768) = 48 [pid 5840] getdents64(4, 0x555555ae6730 /* 0 entries */, 32768) = 0 [pid 5840] close(4) = 0 [ 65.234422][ T5840] [ 65.234422][ T5840] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 65.234422][ T5840] [ 65.246203][ T5838] [ 65.246203][ T5838] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 65.246203][ T5838] [ 65.256745][ T113] [ 65.256745][ T113] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 65.256745][ T113] [pid 5840] rmdir("./1/file0") = 0 [pid 5840] getdents64(3, [pid 5838] <... umount2 resumed>) = 0 [pid 5840] <... getdents64 resumed>0x555555ade6f0 /* 0 entries */, 32768) = 0 [pid 5840] close(3) = 0 [pid 5840] rmdir("./1") = 0 [pid 5840] mkdir("./2", 0777) = 0 [pid 5838] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5840] ioctl(3, LOOP_CLR_FD [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] <... ioctl resumed>) = 0 [pid 5840] close(3 [pid 5838] newfstatat(AT_FDCWD, "./1/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5838] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5839] <... close resumed>) = 0 [pid 5838] newfstatat(4, "", [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5838] getdents64(4, 0x555555ae6730 /* 2 entries */, 32768) = 48 [pid 5838] getdents64(4, [pid 5842] <... close resumed>) = 0 [pid 5838] <... getdents64 resumed>0x555555ae6730 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 5858 attached [pid 5838] close(4 [pid 5858] set_robust_list(0x555555add660, 24) = 0 [pid 5858] chdir("./2") = 0 [pid 5858] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5838] <... close resumed>) = 0 [pid 5858] setpgid(0, 0 [pid 5838] rmdir("./1/file0" [pid 5858] <... setpgid resumed>) = 0 [pid 5858] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5838] <... rmdir resumed>) = 0 [pid 5858] write(3, "1000", 4 [pid 5838] getdents64(3, [pid 5858] <... write resumed>) = 4 [pid 5838] <... getdents64 resumed>0x555555ade6f0 /* 0 entries */, 32768) = 0 [pid 5858] close(3 [pid 5838] close(3 [pid 5858] <... close resumed>) = 0 executing program [pid 5858] symlink("/dev/binderfs", "./binderfs" [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5839] <... clone resumed>, child_tidptr=0x555555add650) = 5858 [pid 5838] <... close resumed>) = 0 [pid 5838] rmdir("./1" [pid 5858] <... symlink resumed>) = 0 [pid 5838] <... rmdir resumed>) = 0 [pid 5858] write(1, "executing program\n", 18 [pid 5838] mkdir("./2", 0777 [pid 5858] <... write resumed>) = 18 [pid 5858] memfd_create("syzkaller", 0 [pid 5838] <... mkdir resumed>) = 0 [pid 5858] <... memfd_create resumed>) = 3 [pid 5838] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5858] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fcded200000 [pid 5838] <... openat resumed>) = 3 [pid 5838] ioctl(3, LOOP_CLR_FD [pid 5842] <... clone resumed>, child_tidptr=0x555555add650) = 5859 [pid 5838] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 5859 attached [pid 5859] set_robust_list(0x555555add660, 24) = 0 executing program [pid 5859] chdir("./2" [pid 5838] close(3 [pid 5859] <... chdir resumed>) = 0 [pid 5859] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5859] setpgid(0, 0) = 0 [pid 5859] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5859] write(3, "1000", 4) = 4 [pid 5859] close(3) = 0 [pid 5859] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5859] write(1, "executing program\n", 18) = 18 [pid 5859] memfd_create("syzkaller", 0) = 3 [pid 5859] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fcded200000 [pid 5840] <... close resumed>) = 0 [pid 5838] <... close resumed>) = 0 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5860 attached ./strace-static-x86_64: Process 5861 attached [pid 5857] 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 5840] <... clone resumed>, child_tidptr=0x555555add650) = 5860 [pid 5838] <... clone resumed>, child_tidptr=0x555555add650) = 5861 [pid 5861] set_robust_list(0x555555add660, 24) = 0 [pid 5861] chdir("./2") = 0 [pid 5860] set_robust_list(0x555555add660, 24 [pid 5861] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5861] setpgid(0, 0) = 0 [pid 5861] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5860] <... set_robust_list resumed>) = 0 [pid 5861] <... openat resumed>) = 3 [pid 5860] chdir("./2" [pid 5861] write(3, "1000", 4 [pid 5860] <... chdir resumed>) = 0 [pid 5861] <... write resumed>) = 4 [pid 5860] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5861] close(3 [pid 5860] <... prctl resumed>) = 0 [pid 5861] <... close resumed>) = 0 [pid 5860] setpgid(0, 0 [pid 5861] symlink("/dev/binderfs", "./binderfs" [pid 5860] <... setpgid resumed>) = 0 [pid 5861] <... symlink resumed>) = 0 [pid 5860] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program [pid 5861] write(1, "executing program\n", 18 [pid 5860] <... openat resumed>) = 3 [pid 5861] <... write resumed>) = 18 [pid 5860] write(3, "1000", 4 [pid 5861] memfd_create("syzkaller", 0 [pid 5860] <... write resumed>) = 4 [pid 5861] <... memfd_create resumed>) = 3 [pid 5861] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0executing program [pid 5860] close(3) = 0 [pid 5860] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5860] write(1, "executing program\n", 18) = 18 [pid 5860] memfd_create("syzkaller", 0) = 3 [pid 5860] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5861] <... mmap resumed>) = 0x7fcded200000 [pid 5860] <... mmap resumed>) = 0x7fcded200000 [pid 5858] 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 5859] 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 5857] <... write resumed>) = 16777216 [pid 5857] munmap(0x7fcded200000, 138412032 [pid 5861] 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 5857] <... munmap resumed>) = 0 [pid 5857] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 5860] 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 5857] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5857] close(3) = 0 [pid 5857] close(4) = 0 [pid 5857] mkdir("./file0", 0777) = 0 [ 65.992911][ T5857] loop3: detected capacity change from 0 to 32768 [pid 5857] mount("/dev/loop3", "./file0", "jfs", 0, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 5859] <... write resumed>) = 16777216 [pid 5857] <... mount resumed>) = 0 [pid 5857] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5857] chdir("./file0") = 0 [pid 5857] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [ 66.042391][ T5857] [ 66.042391][ T5857] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 66.042391][ T5857] [pid 5857] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 5859] munmap(0x7fcded200000, 138412032