./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3545155980 <...> Warning: Permanently added '10.128.0.45' (ED25519) to the list of known hosts. execve("./syz-executor3545155980", ["./syz-executor3545155980"], 0x7ffc18c2b1a0 /* 10 vars */) = 0 brk(NULL) = 0x55557f708000 brk(0x55557f708d00) = 0x55557f708d00 arch_prctl(ARCH_SET_FS, 0x55557f708380) = 0 set_tid_address(0x55557f708650) = 5841 set_robust_list(0x55557f708660, 24) = 0 rseq(0x55557f708ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3545155980", 4096) = 28 getrandom("\x19\xe7\x69\xa6\xfe\x82\x5f\xaa", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55557f708d00 brk(0x55557f729d00) = 0x55557f729d00 brk(0x55557f72a000) = 0x55557f72a000 mprotect(0x7f8e128da000, 16384, PROT_READ) = 0 mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000 mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000 mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5842 attached , child_tidptr=0x55557f708650) = 5842 [pid 5842] set_robust_list(0x55557f708660, 24) = 0 [pid 5841] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5842] mkdir("./syzkaller.jrerGo", 0700./strace-static-x86_64: Process 5843 attached [pid 5841] <... clone resumed>, child_tidptr=0x55557f708650) = 5843 [pid 5843] set_robust_list(0x55557f708660, 24 [pid 5841] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5843] <... set_robust_list resumed>) = 0 [pid 5843] mkdir("./syzkaller.vncyME", 0700./strace-static-x86_64: Process 5844 attached ) = 0 [pid 5842] <... mkdir resumed>) = 0 [pid 5841] <... clone resumed>, child_tidptr=0x55557f708650) = 5844 [pid 5844] set_robust_list(0x55557f708660, 24 [pid 5843] chmod("./syzkaller.vncyME", 0777 [pid 5841] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5844] <... set_robust_list resumed>) = 0 [pid 5842] chmod("./syzkaller.jrerGo", 0777 [pid 5843] <... chmod resumed>) = 0 [pid 5842] <... chmod resumed>) = 0 [pid 5844] mkdir("./syzkaller.P6LHj6", 0700 [pid 5843] chdir("./syzkaller.vncyME") = 0 [pid 5843] mkdir("./0", 0777 [pid 5842] chdir("./syzkaller.jrerGo") = 0 ./strace-static-x86_64: Process 5845 attached [pid 5844] <... mkdir resumed>) = 0 [pid 5843] <... mkdir resumed>) = 0 [pid 5842] mkdir("./0", 0777 [pid 5845] set_robust_list(0x55557f708660, 24) = 0 [pid 5841] <... clone resumed>, child_tidptr=0x55557f708650) = 5845 [pid 5844] chmod("./syzkaller.P6LHj6", 0777 [pid 5843] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5842] <... mkdir resumed>) = 0 [pid 5845] mkdir("./syzkaller.RpmrNl", 0700 [pid 5844] <... chmod resumed>) = 0 [pid 5843] <... openat resumed>) = 3 [pid 5842] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5841] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5845] <... mkdir resumed>) = 0 [pid 5845] chmod("./syzkaller.RpmrNl", 0777./strace-static-x86_64: Process 5846 attached [pid 5844] chdir("./syzkaller.P6LHj6" [pid 5843] ioctl(3, LOOP_CLR_FD [pid 5842] <... openat resumed>) = 3 [pid 5846] set_robust_list(0x55557f708660, 24 [pid 5842] ioctl(3, LOOP_CLR_FD [pid 5841] <... clone resumed>, child_tidptr=0x55557f708650) = 5846 [pid 5846] <... set_robust_list resumed>) = 0 [pid 5845] <... chmod resumed>) = 0 [pid 5844] <... chdir resumed>) = 0 [pid 5843] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5842] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5846] mkdir("./syzkaller.C0D7kX", 0700 [pid 5844] mkdir("./0", 0777 [pid 5843] close(3) = 0 [pid 5842] close(3 [pid 5845] chdir("./syzkaller.RpmrNl") = 0 [pid 5845] mkdir("./0", 0777 [pid 5842] <... close resumed>) = 0 [pid 5844] <... mkdir resumed>) = 0 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5846] <... mkdir resumed>) = 0 [pid 5845] <... mkdir resumed>) = 0 [pid 5843] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5846] chmod("./syzkaller.C0D7kX", 0777./strace-static-x86_64: Process 5848 attached ) = 0 [pid 5844] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5846] chdir("./syzkaller.C0D7kX" [pid 5844] <... openat resumed>) = 3 [pid 5848] set_robust_list(0x55557f708660, 24 [pid 5846] <... chdir resumed>) = 0 [pid 5844] ioctl(3, LOOP_CLR_FD [pid 5848] <... set_robust_list resumed>) = 0 [pid 5846] mkdir("./0", 0777 [pid 5844] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5848] chdir("./0"./strace-static-x86_64: Process 5847 attached [pid 5845] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5847] set_robust_list(0x55557f708660, 24 [pid 5845] <... openat resumed>) = 3 [pid 5844] close(3 [pid 5843] <... clone resumed>, child_tidptr=0x55557f708650) = 5848 [pid 5844] <... close resumed>) = 0 [pid 5847] <... set_robust_list resumed>) = 0 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5847] chdir("./0") = 0 [pid 5845] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 5849 attached [pid 5847] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5845] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5842] <... clone resumed>, child_tidptr=0x55557f708650) = 5847 [pid 5847] <... prctl resumed>) = 0 [pid 5845] close(3 [pid 5847] setpgid(0, 0 [pid 5845] <... close resumed>) = 0 [pid 5845] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5846] <... mkdir resumed>) = 0 [pid 5849] set_robust_list(0x55557f708660, 24 [pid 5848] <... chdir resumed>) = 0 [pid 5847] <... setpgid resumed>) = 0 [pid 5844] <... clone resumed>, child_tidptr=0x55557f708650) = 5849 ./strace-static-x86_64: Process 5850 attached [pid 5849] <... set_robust_list resumed>) = 0 [pid 5848] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5847] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5846] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5849] chdir("./0" [pid 5848] <... prctl resumed>) = 0 [pid 5847] <... openat resumed>) = 3 [pid 5845] <... clone resumed>, child_tidptr=0x55557f708650) = 5850 [pid 5848] setpgid(0, 0 [pid 5846] <... openat resumed>) = 3 [pid 5849] <... chdir resumed>) = 0 [pid 5848] <... setpgid resumed>) = 0 [pid 5846] ioctl(3, LOOP_CLR_FD [pid 5849] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5847] write(3, "1000", 4 [pid 5849] <... prctl resumed>) = 0 [pid 5848] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5847] <... write resumed>) = 4 [pid 5847] close(3 [pid 5846] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5850] set_robust_list(0x55557f708660, 24 [pid 5849] setpgid(0, 0 [pid 5848] <... openat resumed>) = 3 [pid 5849] <... setpgid resumed>) = 0 [pid 5848] write(3, "1000", 4 [pid 5846] close(3 [pid 5849] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5848] <... write resumed>) = 4 [pid 5846] <... close resumed>) = 0 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5848] close(3 [pid 5850] <... set_robust_list resumed>) = 0 [pid 5848] <... close resumed>) = 0 [pid 5847] <... close resumed>) = 0 [pid 5850] chdir("./0" [pid 5847] symlink("/dev/binderfs", "./binderfs"./strace-static-x86_64: Process 5851 attached [pid 5850] <... chdir resumed>) = 0 [pid 5849] <... openat resumed>) = 3 [pid 5848] symlink("/dev/binderfs", "./binderfs" [pid 5847] <... symlink resumed>) = 0 [pid 5850] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5849] write(3, "1000", 4 [pid 5850] <... prctl resumed>) = 0 [pid 5850] setpgid(0, 0) = 0 [pid 5850] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5849] <... write resumed>) = 4 [pid 5848] <... symlink resumed>) = 0 [pid 5849] close(3 [pid 5846] <... clone resumed>, child_tidptr=0x55557f708650) = 5851 [pid 5851] set_robust_list(0x55557f708660, 24 [pid 5849] <... close resumed>) = 0 executing program executing program [pid 5847] write(1, "executing program\n", 18 [pid 5851] <... set_robust_list resumed>) = 0 [pid 5850] <... openat resumed>) = 3 [pid 5849] symlink("/dev/binderfs", "./binderfs" [pid 5848] write(1, "executing program\n", 18 [pid 5851] chdir("./0" [pid 5849] <... symlink resumed>) = 0 [pid 5848] <... write resumed>) = 18 [pid 5847] <... write resumed>) = 18 [pid 5850] write(3, "1000", 4) = 4 [pid 5850] close(3) = 0 [pid 5850] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 5850] write(1, "executing program\n", 18 [pid 5851] <... chdir resumed>) = 0 [pid 5848] memfd_create("syzkaller", 0 [pid 5850] <... write resumed>) = 18 [pid 5847] memfd_create("syzkaller", 0 [pid 5850] memfd_create("syzkaller", 0 [pid 5847] <... memfd_create resumed>) = 3 [pid 5847] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 executing program [pid 5851] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5849] write(1, "executing program\n", 18 [pid 5850] <... memfd_create resumed>) = 3 [pid 5850] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5849] <... write resumed>) = 18 [pid 5851] <... prctl resumed>) = 0 [pid 5850] <... mmap resumed>) = 0x7f8e0a400000 [pid 5848] <... memfd_create resumed>) = 3 [pid 5849] memfd_create("syzkaller", 0 [pid 5851] setpgid(0, 0) = 0 [pid 5848] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5851] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5848] <... mmap resumed>) = 0x7f8e0a400000 [pid 5849] <... memfd_create resumed>) = 3 [pid 5851] <... openat resumed>) = 3 [pid 5849] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 [pid 5851] write(3, "1000", 4) = 4 [pid 5851] close(3) = 0 [pid 5851] symlink("/dev/binderfs", "./binderfs" [pid 5847] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5851] <... symlink resumed>) = 0 [pid 5850] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5849] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152executing program [pid 5851] write(1, "executing program\n", 18) = 18 [pid 5851] memfd_create("syzkaller", 0) = 3 [pid 5851] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 [pid 5848] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5849] <... write resumed>) = 2097152 [pid 5847] <... write resumed>) = 2097152 [pid 5851] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5850] <... write resumed>) = 2097152 [pid 5849] munmap(0x7f8e0a400000, 138412032 [pid 5850] munmap(0x7f8e0a400000, 138412032 [pid 5848] <... write resumed>) = 2097152 [pid 5847] munmap(0x7f8e0a400000, 138412032 [pid 5850] <... munmap resumed>) = 0 [pid 5849] <... munmap resumed>) = 0 [pid 5849] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5847] <... munmap resumed>) = 0 [pid 5849] <... openat resumed>) = 4 [pid 5850] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5849] ioctl(4, LOOP_SET_FD, 3 [pid 5848] munmap(0x7f8e0a400000, 138412032 [pid 5850] <... openat resumed>) = 4 [pid 5848] <... munmap resumed>) = 0 [pid 5851] <... write resumed>) = 2097152 [pid 5850] ioctl(4, LOOP_SET_FD, 3 [pid 5849] <... ioctl resumed>) = 0 [pid 5847] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5849] close(3) = 0 [pid 5849] close(4) = 0 [pid 5849] mkdir("./bus", 0777 [pid 5851] munmap(0x7f8e0a400000, 138412032 [pid 5850] <... ioctl resumed>) = 0 [pid 5848] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5847] <... openat resumed>) = 4 [pid 5848] <... openat resumed>) = 4 [pid 5850] close(3 [pid 5849] <... mkdir resumed>) = 0 [pid 5848] ioctl(4, LOOP_SET_FD, 3 [pid 5847] ioctl(4, LOOP_SET_FD, 3 [pid 5851] <... munmap resumed>) = 0 [pid 5850] <... close resumed>) = 0 [pid 5850] close(4) = 0 [pid 5850] mkdir("./bus", 0777) = 0 [pid 5849] mount("/dev/loop2", "./bus", "ntfs3", 0, "" [pid 5848] <... ioctl resumed>) = 0 [ 90.733821][ T5849] loop2: detected capacity change from 0 to 4096 [ 90.748781][ T5850] loop3: detected capacity change from 0 to 4096 [ 90.768830][ T5847] loop0: detected capacity change from 0 to 4096 [ 90.777524][ T5848] loop1: detected capacity change from 0 to 4096 [pid 5851] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5850] mount("/dev/loop3", "./bus", "ntfs3", 0, "" [pid 5851] <... openat resumed>) = 4 [pid 5851] ioctl(4, LOOP_SET_FD, 3 [pid 5847] <... ioctl resumed>) = 0 [pid 5847] close(3) = 0 [pid 5847] close(4) = 0 [pid 5847] mkdir("./bus", 0777) = 0 [pid 5851] <... ioctl resumed>) = 0 [pid 5848] close(3 [pid 5851] close(3 [pid 5848] <... close resumed>) = 0 [pid 5847] mount("/dev/loop0", "./bus", "ntfs3", 0, "" [pid 5851] <... close resumed>) = 0 [pid 5848] close(4 [pid 5851] close(4 [pid 5848] <... close resumed>) = 0 [pid 5851] <... close resumed>) = 0 [pid 5848] mkdir("./bus", 0777 [pid 5851] mkdir("./bus", 0777 [pid 5848] <... mkdir resumed>) = 0 [pid 5851] <... mkdir resumed>) = 0 [pid 5851] mount("/dev/loop4", "./bus", "ntfs3", 0, "" [ 90.790379][ T5851] loop4: detected capacity change from 0 to 4096 [pid 5848] mount("/dev/loop1", "./bus", "ntfs3", 0, "" [pid 5850] <... mount resumed>) = 0 [pid 5850] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5847] <... mount resumed>) = 0 [pid 5850] <... openat resumed>) = 3 [pid 5851] <... mount resumed>) = 0 [pid 5850] chdir("./bus" [pid 5851] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5851] chdir("./bus") = 0 [pid 5851] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5851] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5847] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5851] sched_setscheduler(0, SCHED_RR, NULL [pid 5847] <... openat resumed>) = 3 [pid 5851] <... sched_setscheduler resumed>) = -1 EINVAL (Invalid argument) [pid 5851] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5847] chdir("./bus" [pid 5851] <... openat resumed>) = 4 [pid 5847] <... chdir resumed>) = 0 [pid 5851] read(4, [pid 5847] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5847] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5847] sched_setscheduler(0, SCHED_RR, NULL [pid 5850] <... chdir resumed>) = 0 [pid 5849] <... mount resumed>) = 0 [pid 5847] <... sched_setscheduler resumed>) = -1 EINVAL (Invalid argument) [pid 5850] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5849] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5850] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5847] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5850] sched_setaffinity(0, 0, NULL [pid 5849] <... openat resumed>) = 3 [pid 5847] <... openat resumed>) = 4 [pid 5850] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5847] read(4, [pid 5850] sched_setscheduler(0, SCHED_RR, NULL [pid 5849] chdir("./bus" [pid 5850] <... sched_setscheduler resumed>) = -1 EINVAL (Invalid argument) [pid 5849] <... chdir resumed>) = 0 [pid 5850] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5849] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5850] <... openat resumed>) = 4 [pid 5849] sched_setaffinity(0, 0, NULL [pid 5850] read(4, [pid 5849] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5848] <... mount resumed>) = 0 [pid 5849] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5849] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 5849] read(4, [pid 5848] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5848] chdir("./bus") = 0 [pid 5848] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5848] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5848] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5848] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 5848] read(4, [pid 5851] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5851] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5851] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 5851] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 5851] exit_group(0) = ? [pid 5851] +++ exited with 0 +++ [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5851, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=23 /* 0.23 s */} --- [pid 5846] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5846] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5846] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5846] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5846] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5846] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5846] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5849] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5846] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5849] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5846] unlink("./0/binderfs" [pid 5849] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 5846] <... unlink resumed>) = 0 [pid 5849] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 5849] exit_group(0) = ? [pid 5846] umount2("./0/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 5849] +++ exited with 0 +++ [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5849, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 5844] restart_syscall(<... resuming interrupted clone ...> [pid 5846] umount2("./0/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5844] <... restart_syscall resumed>) = 0 [pid 5846] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5846] newfstatat(AT_FDCWD, "./0/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5847] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5846] umount2("./0/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5844] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5846] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5844] <... openat resumed>) = 3 [pid 5846] openat(AT_FDCWD, "./0/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5847] sched_setaffinity(0, 0, NULL [pid 5844] newfstatat(3, "", [pid 5847] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5847] rename(NULL, NULL [pid 5846] <... openat resumed>) = 4 [pid 5844] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5847] <... rename resumed>) = -1 EFAULT (Bad address) [pid 5847] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5846] newfstatat(4, "", [pid 5847] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5846] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5847] exit_group(0 [pid 5844] getdents64(3, [pid 5846] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5844] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5847] <... exit_group resumed>) = ? [pid 5846] getdents64(4, [pid 5844] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5846] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5846] close(4 [pid 5844] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5847] +++ exited with 0 +++ [pid 5846] <... close resumed>) = 0 [pid 5844] unlink("./0/binderfs" [pid 5846] rmdir("./0/bus") = 0 [pid 5844] <... unlink resumed>) = 0 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5847, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 5842] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] umount2("./0/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5842] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5842] getdents64(3, [pid 5846] getdents64(3, [pid 5844] <... umount2 resumed>) = 0 [pid 5842] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5846] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5846] close(3 [pid 5842] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5846] <... close resumed>) = 0 [pid 5846] rmdir("./0" [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5846] <... rmdir resumed>) = 0 [pid 5842] newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] unlink("./0/binderfs" [pid 5848] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5846] mkdir("./1", 0777 [pid 5844] umount2("./0/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] <... unlink resumed>) = 0 [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5848] sched_setaffinity(0, 0, NULL [pid 5844] newfstatat(AT_FDCWD, "./0/bus", [pid 5846] <... mkdir resumed>) = 0 [pid 5844] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] umount2("./0/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5846] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5850] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5848] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5844] umount2("./0/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] <... umount2 resumed>) = 0 [pid 5850] sched_setaffinity(0, 0, NULL [pid 5848] rename(NULL, NULL [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5850] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5848] <... rename resumed>) = -1 EFAULT (Bad address) [pid 5844] openat(AT_FDCWD, "./0/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5850] rename(NULL, NULL [pid 5848] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5844] <... openat resumed>) = 4 [pid 5850] <... rename resumed>) = -1 EFAULT (Bad address) [pid 5848] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5844] newfstatat(4, "", [pid 5850] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5848] exit_group(0 [pid 5844] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5850] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5848] <... exit_group resumed>) = ? [pid 5844] getdents64(4, [pid 5850] exit_group(0 [pid 5848] +++ exited with 0 +++ [pid 5846] <... openat resumed>) = 3 [pid 5844] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5842] umount2("./0/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5846] ioctl(3, LOOP_CLR_FD [pid 5844] getdents64(4, [pid 5850] <... exit_group resumed>) = ? [pid 5844] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5850] +++ exited with 0 +++ [pid 5846] <... ioctl resumed>) = 0 [pid 5844] close(4 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5846] close(3 [pid 5845] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5850, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=23 /* 0.23 s */} --- [pid 5844] <... close resumed>) = 0 [pid 5845] restart_syscall(<... resuming interrupted clone ...> [pid 5844] rmdir("./0/bus" [pid 5843] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5848, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=19 /* 0.19 s */} --- [pid 5842] newfstatat(AT_FDCWD, "./0/bus", [pid 5845] <... restart_syscall resumed>) = 0 [pid 5844] <... rmdir resumed>) = 0 [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5845] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] umount2("./0/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5845] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5845] <... openat resumed>) = 3 [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] openat(AT_FDCWD, "./0/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5845] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5842] <... openat resumed>) = 4 [pid 5843] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5845] getdents64(3, [pid 5843] <... openat resumed>) = 3 [pid 5842] newfstatat(4, "", [pid 5844] getdents64(3, [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5843] newfstatat(3, "", [pid 5844] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5845] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5843] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5842] getdents64(4, [pid 5844] close(3) = 0 [pid 5844] rmdir("./0") = 0 [pid 5843] getdents64(3, [pid 5842] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5845] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] getdents64(4, [pid 5845] newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5842] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5845] unlink("./0/binderfs" [pid 5842] close(4 [pid 5843] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5845] <... unlink resumed>) = 0 [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] <... close resumed>) = 0 [pid 5843] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5842] rmdir("./0/bus" [pid 5845] umount2("./0/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5844] mkdir("./1", 0777 [pid 5843] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] <... rmdir resumed>) = 0 [pid 5844] <... mkdir resumed>) = 0 [pid 5843] unlink("./0/binderfs" [pid 5842] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5844] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5843] <... unlink resumed>) = 0 [pid 5842] close(3 [pid 5844] ioctl(3, LOOP_CLR_FD) = 0 [pid 5846] <... close resumed>) = 0 [pid 5845] <... umount2 resumed>) = 0 [pid 5843] umount2("./0/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] <... close resumed>) = 0 [pid 5844] close(3 [pid 5842] rmdir("./0") = 0 [pid 5842] mkdir("./1", 0777 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5842] <... mkdir resumed>) = 0 [pid 5842] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5842] ioctl(3, LOOP_CLR_FD) = 0 [pid 5842] close(3 [pid 5845] umount2("./0/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5855 attached [pid 5845] newfstatat(AT_FDCWD, "./0/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5845] umount2("./0/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5855] set_robust_list(0x55557f708660, 24 [pid 5846] <... clone resumed>, child_tidptr=0x55557f708650) = 5855 [pid 5845] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5845] openat(AT_FDCWD, "./0/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5845] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5845] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5845] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5845] close(4) = 0 [pid 5845] rmdir("./0/bus") = 0 [pid 5845] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5845] close(3) = 0 [pid 5845] rmdir("./0") = 0 [pid 5855] <... set_robust_list resumed>) = 0 [pid 5844] <... close resumed>) = 0 [pid 5845] mkdir("./1", 0777) = 0 [pid 5845] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5855] chdir("./1") = 0 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5855] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5855] setpgid(0, 0 [pid 5845] <... openat resumed>) = 3 [pid 5855] <... setpgid resumed>) = 0 [pid 5845] ioctl(3, LOOP_CLR_FD [pid 5855] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5845] <... ioctl resumed>) = 0 [pid 5855] <... openat resumed>) = 3 [pid 5845] close(3./strace-static-x86_64: Process 5856 attached [pid 5855] write(3, "1000", 4 [pid 5844] <... clone resumed>, child_tidptr=0x55557f708650) = 5856 [pid 5843] <... umount2 resumed>) = 0 [pid 5842] <... close resumed>) = 0 [pid 5856] set_robust_list(0x55557f708660, 24 [pid 5855] <... write resumed>) = 4 [pid 5855] close(3) = 0 executing program [pid 5855] symlink("/dev/binderfs", "./binderfs" [pid 5843] umount2("./0/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5855] <... symlink resumed>) = 0 [pid 5856] <... set_robust_list resumed>) = 0 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5855] write(1, "executing program\n", 18) = 18 [pid 5843] newfstatat(AT_FDCWD, "./0/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5855] memfd_create("syzkaller", 0 [pid 5843] umount2("./0/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5856] chdir("./1" [pid 5855] <... memfd_create resumed>) = 3 [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] <... clone resumed>, child_tidptr=0x55557f708650) = 5857 [pid 5856] <... chdir resumed>) = 0 [pid 5855] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5856] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5855] <... mmap resumed>) = 0x7f8e0a400000 [pid 5843] openat(AT_FDCWD, "./0/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5856] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 5857 attached [pid 5843] <... openat resumed>) = 4 [pid 5857] set_robust_list(0x55557f708660, 24 [pid 5843] newfstatat(4, "", [pid 5857] <... set_robust_list resumed>) = 0 [pid 5843] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5857] chdir("./1" [pid 5843] getdents64(4, [pid 5857] <... chdir resumed>) = 0 [pid 5843] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5857] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5843] getdents64(4, [pid 5857] <... prctl resumed>) = 0 [pid 5843] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5857] setpgid(0, 0) = 0 [pid 5843] close(4 [pid 5857] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5843] <... close resumed>) = 0 [pid 5857] <... openat resumed>) = 3 [pid 5843] rmdir("./0/bus") = 0 [pid 5843] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5843] close(3) = 0 [pid 5843] rmdir("./0" [pid 5857] write(3, "1000", 4 [pid 5843] <... rmdir resumed>) = 0 [pid 5857] <... write resumed>) = 4 [pid 5856] setpgid(0, 0 [pid 5843] mkdir("./1", 0777 [pid 5856] <... setpgid resumed>) = 0 [pid 5856] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5843] <... mkdir resumed>) = 0 [pid 5856] write(3, "1000", 4) = 4 [pid 5856] close(3) = 0 [pid 5856] symlink("/dev/binderfs", "./binderfs" [pid 5857] close(3 [pid 5856] <... symlink resumed>) = 0 [pid 5845] <... close resumed>) = 0 [pid 5857] <... close resumed>) = 0 [pid 5843] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5857] symlink("/dev/binderfs", "./binderfs" [pid 5843] <... openat resumed>) = 3 [pid 5857] <... symlink resumed>) = 0 [pid 5843] ioctl(3, LOOP_CLR_FDexecuting program executing program [pid 5857] write(1, "executing program\n", 18 [pid 5843] <... ioctl resumed>) = 0 [pid 5856] write(1, "executing program\n", 18 [pid 5857] <... write resumed>) = 18 [pid 5856] <... write resumed>) = 18 [pid 5843] close(3 [pid 5856] memfd_create("syzkaller", 0 [pid 5855] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5845] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5859 attached [pid 5857] memfd_create("syzkaller", 0) = 3 [pid 5845] <... clone resumed>, child_tidptr=0x55557f708650) = 5859 [pid 5859] set_robust_list(0x55557f708660, 24 [pid 5857] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5859] <... set_robust_list resumed>) = 0 [pid 5857] <... mmap resumed>) = 0x7f8e0a400000 [pid 5859] chdir("./1" [pid 5856] <... memfd_create resumed>) = 3 [pid 5856] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 [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", 18executing program ) = 18 [pid 5859] memfd_create("syzkaller", 0 [pid 5843] <... close resumed>) = 0 [pid 5859] <... memfd_create resumed>) = 3 [pid 5859] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 [pid 5843] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557f708650) = 5860 ./strace-static-x86_64: Process 5860 attached [pid 5860] set_robust_list(0x55557f708660, 24 [pid 5857] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5860] <... set_robust_list resumed>) = 0 [pid 5860] chdir("./1") = 0 [pid 5856] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5855] <... write resumed>) = 2097152 [pid 5860] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5855] munmap(0x7f8e0a400000, 138412032 [pid 5860] <... prctl resumed>) = 0 [pid 5860] setpgid(0, 0) = 0 [pid 5860] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5855] <... munmap resumed>) = 0 [pid 5860] <... openat resumed>) = 3 [pid 5860] write(3, "1000", 4) = 4 [pid 5860] close(3) = 0 [pid 5855] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5860] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5860] write(1, "executing program\n", 18 [pid 5855] <... openat resumed>) = 4 [pid 5860] <... write resumed>) = 18 [pid 5860] memfd_create("syzkaller", 0 [pid 5859] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5855] ioctl(4, LOOP_SET_FD, 3 [pid 5860] <... memfd_create resumed>) = 3 [pid 5855] <... ioctl resumed>) = 0 [pid 5860] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5855] close(3 [pid 5860] <... mmap resumed>) = 0x7f8e0a400000 [pid 5856] <... write resumed>) = 2097152 [pid 5855] <... close resumed>) = 0 [pid 5856] munmap(0x7f8e0a400000, 138412032 [pid 5855] close(4) = 0 [pid 5855] mkdir("./bus", 0777 [pid 5857] <... write resumed>) = 2097152 [pid 5855] <... mkdir resumed>) = 0 [pid 5855] mount("/dev/loop4", "./bus", "ntfs3", 0, "" [pid 5857] munmap(0x7f8e0a400000, 138412032) = 0 [pid 5857] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 91.847425][ T5855] loop4: detected capacity change from 0 to 4096 [ 91.851715][ T975] cfg80211: failed to load regulatory.db [pid 5857] ioctl(4, LOOP_SET_FD, 3 [pid 5859] <... write resumed>) = 2097152 [pid 5856] <... munmap resumed>) = 0 [pid 5856] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 5860] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5859] munmap(0x7f8e0a400000, 138412032 [pid 5856] ioctl(4, LOOP_SET_FD, 3 [pid 5857] <... ioctl resumed>) = 0 [pid 5857] close(3) = 0 [pid 5857] close(4) = 0 [pid 5857] mkdir("./bus", 0777) = 0 [pid 5859] <... munmap resumed>) = 0 [pid 5856] <... ioctl resumed>) = 0 [pid 5856] close(3 [pid 5859] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5856] <... close resumed>) = 0 [pid 5860] <... write resumed>) = 2097152 [pid 5859] <... openat resumed>) = 4 [ 91.918806][ T5857] loop0: detected capacity change from 0 to 4096 [ 91.926572][ T5856] loop2: detected capacity change from 0 to 4096 [pid 5857] mount("/dev/loop0", "./bus", "ntfs3", 0, "" [pid 5856] close(4 [pid 5860] munmap(0x7f8e0a400000, 138412032 [pid 5859] ioctl(4, LOOP_SET_FD, 3 [pid 5856] <... close resumed>) = 0 [pid 5855] <... mount resumed>) = 0 [pid 5856] mkdir("./bus", 0777) = 0 [pid 5856] mount("/dev/loop2", "./bus", "ntfs3", 0, "" [pid 5855] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5855] chdir("./bus") = 0 [pid 5855] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5855] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5855] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5860] <... munmap resumed>) = 0 [pid 5855] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 5855] read(4, [pid 5860] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5859] <... ioctl resumed>) = 0 [pid 5860] <... openat resumed>) = 4 [pid 5859] close(3) = 0 [pid 5859] close(4) = 0 [pid 5860] ioctl(4, LOOP_SET_FD, 3 [pid 5859] mkdir("./bus", 0777) = 0 [pid 5859] mount("/dev/loop3", "./bus", "ntfs3", 0, "" [pid 5856] <... mount resumed>) = 0 [pid 5856] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5856] chdir("./bus") = 0 [pid 5856] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5856] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5856] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [ 91.976078][ T5859] loop3: detected capacity change from 0 to 4096 [ 92.011975][ T5860] loop1: detected capacity change from 0 to 4096 [pid 5856] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5860] <... ioctl resumed>) = 0 [pid 5857] <... mount resumed>) = 0 [pid 5856] <... openat resumed>) = 4 [pid 5860] close(3 [pid 5857] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5860] <... close resumed>) = 0 [pid 5856] read(4, [pid 5860] close(4 [pid 5857] <... openat resumed>) = 3 [pid 5860] <... close resumed>) = 0 [pid 5857] chdir("./bus") = 0 [pid 5857] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5857] sched_setaffinity(0, 0, NULL [pid 5860] mkdir("./bus", 0777 [pid 5857] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5857] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5860] <... mkdir resumed>) = 0 [pid 5857] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5859] <... mount resumed>) = 0 [pid 5857] <... openat resumed>) = 4 [pid 5860] mount("/dev/loop1", "./bus", "ntfs3", 0, "" [pid 5859] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5857] read(4, [pid 5859] <... openat resumed>) = 3 [pid 5859] chdir("./bus") = 0 [pid 5859] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5859] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5859] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5859] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 5859] read(4, [pid 5860] <... mount resumed>) = 0 [pid 5860] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5860] chdir("./bus") = 0 [pid 5860] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5860] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5860] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5860] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 5860] read(4, [pid 5855] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5855] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5855] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 5855] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 5855] exit_group(0) = ? [pid 5855] +++ exited with 0 +++ [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5855, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 5846] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5860] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5860] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5846] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5860] rename(NULL, NULL [pid 5846] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5860] <... rename resumed>) = -1 EFAULT (Bad address) [pid 5846] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5860] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5846] <... openat resumed>) = 3 [pid 5860] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5860] exit_group(0 [pid 5846] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5860] <... exit_group resumed>) = ? [pid 5856] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5846] getdents64(3, [pid 5860] +++ exited with 0 +++ [pid 5843] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5860, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 5843] restart_syscall(<... resuming interrupted clone ...> [pid 5856] sched_setaffinity(0, 0, NULL [pid 5846] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5846] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5856] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5846] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5856] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 5846] newfstatat(AT_FDCWD, "./1/binderfs", [pid 5856] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5846] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5856] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5856] exit_group(0 [pid 5846] unlink("./1/binderfs" [pid 5856] <... exit_group resumed>) = ? [pid 5856] +++ exited with 0 +++ [pid 5846] <... unlink resumed>) = 0 [pid 5843] <... restart_syscall resumed>) = 0 [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5856, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 5846] umount2("./1/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5859] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5844] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5859] sched_setaffinity(0, 0, NULL [pid 5857] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5846] <... umount2 resumed>) = 0 [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5859] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5859] rename(NULL, NULL [pid 5857] sched_setaffinity(0, 0, NULL [pid 5859] <... rename resumed>) = -1 EFAULT (Bad address) [pid 5857] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5857] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 5859] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 5857] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5859] exit_group(0 [pid 5857] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5859] <... exit_group resumed>) = ? [pid 5857] exit_group(0 [pid 5846] umount2("./1/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5859] +++ exited with 0 +++ [pid 5857] <... exit_group resumed>) = ? [pid 5846] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5844] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5857] +++ exited with 0 +++ [pid 5846] newfstatat(AT_FDCWD, "./1/bus", [pid 5845] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5859, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 5845] restart_syscall(<... resuming interrupted clone ...> [pid 5844] <... openat resumed>) = 3 [pid 5846] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5846] umount2("./1/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5845] <... restart_syscall resumed>) = 0 [pid 5844] newfstatat(3, "", [pid 5843] <... openat resumed>) = 3 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5857, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=24 /* 0.24 s */} --- [pid 5846] openat(AT_FDCWD, "./1/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5844] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5843] newfstatat(3, "", [pid 5842] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5846] newfstatat(4, "", [pid 5845] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5846] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5845] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5844] getdents64(3, [pid 5843] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5842] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5846] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5845] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5844] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5842] <... openat resumed>) = 3 [pid 5846] getdents64(4, [pid 5845] newfstatat(3, "", [pid 5846] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5845] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5846] close(4) = 0 [pid 5845] getdents64(3, [pid 5846] rmdir("./1/bus" [pid 5845] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5846] <... rmdir resumed>) = 0 [pid 5845] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5844] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5843] getdents64(3, [pid 5842] newfstatat(3, "", [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5846] getdents64(3, [pid 5845] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5844] newfstatat(AT_FDCWD, "./1/binderfs", [pid 5843] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5846] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5845] newfstatat(AT_FDCWD, "./1/binderfs", [pid 5842] getdents64(3, [pid 5846] close(3 [pid 5844] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5846] <... close resumed>) = 0 [pid 5845] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] unlink("./1/binderfs" [pid 5843] newfstatat(AT_FDCWD, "./1/binderfs", [pid 5842] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5846] rmdir("./1" [pid 5845] unlink("./1/binderfs") = 0 [pid 5844] <... unlink resumed>) = 0 [pid 5843] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5844] umount2("./1/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5843] unlink("./1/binderfs" [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5845] umount2("./1/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5843] <... unlink resumed>) = 0 [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 5845] <... umount2 resumed>) = 0 [pid 5846] <... rmdir resumed>) = 0 [pid 5845] umount2("./1/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5843] umount2("./1/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] <... unlink resumed>) = 0 [pid 5842] umount2("./1/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5846] mkdir("./2", 0777 [pid 5845] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5845] newfstatat(AT_FDCWD, "./1/bus", [pid 5844] <... umount2 resumed>) = 0 [pid 5844] umount2("./1/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5846] <... mkdir resumed>) = 0 [pid 5845] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] <... umount2 resumed>) = 0 [pid 5842] <... umount2 resumed>) = 0 [pid 5846] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5845] umount2("./1/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5844] newfstatat(AT_FDCWD, "./1/bus", [pid 5843] umount2("./1/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] umount2("./1/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5846] <... openat resumed>) = 3 [pid 5845] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5844] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5846] ioctl(3, LOOP_CLR_FD [pid 5845] openat(AT_FDCWD, "./1/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5846] <... ioctl resumed>) = 0 [pid 5845] <... openat resumed>) = 4 [pid 5844] umount2("./1/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5845] newfstatat(4, "", [pid 5846] close(3 [pid 5845] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] newfstatat(AT_FDCWD, "./1/bus", [pid 5842] newfstatat(AT_FDCWD, "./1/bus", [pid 5845] getdents64(4, [pid 5844] openat(AT_FDCWD, "./1/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5843] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5845] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5844] <... openat resumed>) = 4 [pid 5843] umount2("./1/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] umount2("./1/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5844] newfstatat(4, "", [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5844] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5843] openat(AT_FDCWD, "./1/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5842] openat(AT_FDCWD, "./1/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5844] getdents64(4, [pid 5843] <... openat resumed>) = 4 [pid 5842] <... openat resumed>) = 4 [pid 5844] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5843] newfstatat(4, "", [pid 5842] newfstatat(4, "", [pid 5845] getdents64(4, [pid 5844] getdents64(4, [pid 5843] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5845] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5844] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5845] close(4 [pid 5844] close(4 [pid 5843] getdents64(4, [pid 5845] <... close resumed>) = 0 [pid 5844] <... close resumed>) = 0 [pid 5842] getdents64(4, [pid 5845] rmdir("./1/bus" [pid 5844] rmdir("./1/bus" [pid 5843] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5845] <... rmdir resumed>) = 0 [pid 5844] <... rmdir resumed>) = 0 [pid 5842] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5845] getdents64(3, [pid 5844] getdents64(3, [pid 5843] getdents64(4, [pid 5845] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5844] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5845] close(3 [pid 5843] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5842] getdents64(4, [pid 5845] <... close resumed>) = 0 [pid 5844] close(3 [pid 5843] close(4 [pid 5845] rmdir("./1" [pid 5842] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5845] <... rmdir resumed>) = 0 [pid 5844] <... close resumed>) = 0 [pid 5843] <... close resumed>) = 0 [pid 5842] close(4 [pid 5845] mkdir("./2", 0777 [pid 5844] rmdir("./1" [pid 5843] rmdir("./1/bus" [pid 5845] <... mkdir resumed>) = 0 [pid 5843] <... rmdir resumed>) = 0 [pid 5842] <... close resumed>) = 0 [pid 5843] getdents64(3, [pid 5842] rmdir("./1/bus" [pid 5844] <... rmdir resumed>) = 0 [pid 5843] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5842] <... rmdir resumed>) = 0 [pid 5845] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5844] mkdir("./2", 0777 [pid 5843] close(3 [pid 5842] getdents64(3, [pid 5845] <... openat resumed>) = 3 [pid 5844] <... mkdir resumed>) = 0 [pid 5843] <... close resumed>) = 0 [pid 5842] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5845] ioctl(3, LOOP_CLR_FD [pid 5843] rmdir("./1" [pid 5842] close(3 [pid 5845] <... ioctl resumed>) = 0 [pid 5843] <... rmdir resumed>) = 0 [pid 5842] <... close resumed>) = 0 [pid 5845] close(3 [pid 5844] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5842] rmdir("./1" [pid 5843] mkdir("./2", 0777 [pid 5844] <... openat resumed>) = 3 [pid 5842] <... rmdir resumed>) = 0 [pid 5844] ioctl(3, LOOP_CLR_FD [pid 5842] mkdir("./2", 0777 [pid 5846] <... close resumed>) = 0 [pid 5844] <... ioctl resumed>) = 0 [pid 5843] <... mkdir resumed>) = 0 [pid 5842] <... mkdir resumed>) = 0 [pid 5844] close(3 [pid 5845] <... close resumed>) = 0 [pid 5842] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5843] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5842] <... openat resumed>) = 3 [pid 5846] <... clone resumed>, child_tidptr=0x55557f708650) = 5861 [pid 5842] ioctl(3, LOOP_CLR_FD) = 0 [pid 5842] close(3 [pid 5843] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 5861 attached [pid 5861] set_robust_list(0x55557f708660, 24) = 0 [pid 5861] chdir("./2") = 0 [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) = 3 [pid 5845] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5862 attached [pid 5861] write(3, "1000", 4 [pid 5843] <... ioctl resumed>) = 0 [pid 5861] <... write resumed>) = 4 [pid 5861] close(3) = 0 [pid 5861] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 5843] close(3 [pid 5861] write(1, "executing program\n", 18 [pid 5845] <... clone resumed>, child_tidptr=0x55557f708650) = 5862 [pid 5862] set_robust_list(0x55557f708660, 24 [pid 5861] <... write resumed>) = 18 [pid 5861] memfd_create("syzkaller", 0 [pid 5862] <... set_robust_list resumed>) = 0 [pid 5861] <... memfd_create resumed>) = 3 [pid 5861] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 [pid 5862] chdir("./2" [pid 5844] <... close resumed>) = 0 [pid 5842] <... close resumed>) = 0 [pid 5862] <... chdir resumed>) = 0 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5843] <... close resumed>) = 0 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5862] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5842] <... clone resumed>, child_tidptr=0x55557f708650) = 5863 ./strace-static-x86_64: Process 5864 attached ./strace-static-x86_64: Process 5863 attached [pid 5862] <... prctl resumed>) = 0 [pid 5863] set_robust_list(0x55557f708660, 24 [pid 5862] setpgid(0, 0 [pid 5863] <... set_robust_list resumed>) = 0 [pid 5863] chdir("./2" [pid 5862] <... setpgid resumed>) = 0 [pid 5844] <... clone resumed>, child_tidptr=0x55557f708650) = 5864 [pid 5863] <... chdir resumed>) = 0 [pid 5863] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5863] setpgid(0, 0) = 0 [pid 5863] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5864] set_robust_list(0x55557f708660, 24 [pid 5862] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5843] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5864] <... set_robust_list resumed>) = 0 [pid 5863] <... openat resumed>) = 3 [pid 5862] <... openat resumed>) = 3 [pid 5864] chdir("./2" [pid 5862] write(3, "1000", 4 [pid 5863] write(3, "1000", 4) = 4 [pid 5863] close(3) = 0 [pid 5863] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5864] <... chdir resumed>) = 0 [pid 5862] <... write resumed>) = 4 ./strace-static-x86_64: Process 5865 attached executing program [pid 5864] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5862] close(3 [pid 5864] <... prctl resumed>) = 0 [pid 5864] setpgid(0, 0 [pid 5865] set_robust_list(0x55557f708660, 24 [pid 5862] <... close resumed>) = 0 [pid 5864] <... setpgid resumed>) = 0 [pid 5843] <... clone resumed>, child_tidptr=0x55557f708650) = 5865 [pid 5862] symlink("/dev/binderfs", "./binderfs" [pid 5863] write(1, "executing program\n", 18 [pid 5864] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program [pid 5865] <... set_robust_list resumed>) = 0 [pid 5864] <... openat resumed>) = 3 [pid 5863] <... write resumed>) = 18 [pid 5862] <... symlink resumed>) = 0 [pid 5864] write(3, "1000", 4 [pid 5862] write(1, "executing program\n", 18 [pid 5864] <... write resumed>) = 4 [pid 5864] close(3 [pid 5865] chdir("./2" [pid 5862] <... write resumed>) = 18 [pid 5865] <... chdir resumed>) = 0 [pid 5864] <... close resumed>) = 0 [pid 5863] memfd_create("syzkaller", 0 [pid 5862] memfd_create("syzkaller", 0 [pid 5865] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5864] symlink("/dev/binderfs", "./binderfs"executing program [pid 5865] <... prctl resumed>) = 0 [pid 5864] <... symlink resumed>) = 0 [pid 5863] <... memfd_create resumed>) = 3 [pid 5865] setpgid(0, 0 [pid 5863] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5864] write(1, "executing program\n", 18 [pid 5865] <... setpgid resumed>) = 0 [pid 5864] <... write resumed>) = 18 [pid 5863] <... mmap resumed>) = 0x7f8e0a400000 [pid 5862] <... memfd_create resumed>) = 3 [pid 5865] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5862] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5865] <... openat resumed>) = 3 [pid 5864] memfd_create("syzkaller", 0 [pid 5862] <... mmap resumed>) = 0x7f8e0a400000 [pid 5864] <... memfd_create resumed>) = 3 [pid 5861] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5865] write(3, "1000", 4 [pid 5864] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5865] <... write resumed>) = 4 [pid 5864] <... mmap resumed>) = 0x7f8e0a400000 [pid 5865] close(3) = 0 [pid 5863] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5865] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 5861] <... write resumed>) = 2097152 [pid 5865] write(1, "executing program\n", 18) = 18 [pid 5865] memfd_create("syzkaller", 0 [pid 5861] munmap(0x7f8e0a400000, 138412032 [pid 5865] <... memfd_create resumed>) = 3 [pid 5865] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 [pid 5861] <... munmap resumed>) = 0 [pid 5862] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5864] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5861] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 5863] <... write resumed>) = 2097152 [pid 5861] ioctl(4, LOOP_SET_FD, 3 [pid 5863] munmap(0x7f8e0a400000, 138412032) = 0 [pid 5861] <... ioctl resumed>) = 0 [pid 5863] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5861] close(3 [pid 5863] <... openat resumed>) = 4 [pid 5861] <... close resumed>) = 0 [pid 5863] ioctl(4, LOOP_SET_FD, 3 [pid 5861] close(4) = 0 [pid 5861] mkdir("./bus", 0777) = 0 [pid 5861] mount("/dev/loop4", "./bus", "ntfs3", 0, "" [pid 5862] <... write resumed>) = 2097152 [pid 5862] munmap(0x7f8e0a400000, 138412032 [pid 5863] <... ioctl resumed>) = 0 [pid 5862] <... munmap resumed>) = 0 [pid 5863] close(3 [pid 5862] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5861] <... mount resumed>) = 0 [pid 5863] <... close resumed>) = 0 [pid 5862] <... openat resumed>) = 4 [ 93.045302][ T5861] loop4: detected capacity change from 0 to 4096 [ 93.073261][ T5863] loop0: detected capacity change from 0 to 4096 [pid 5861] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5863] close(4 [pid 5862] ioctl(4, LOOP_SET_FD, 3 [pid 5861] <... openat resumed>) = 3 [pid 5865] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5863] <... close resumed>) = 0 [pid 5862] <... ioctl resumed>) = 0 [pid 5861] chdir("./bus" [pid 5863] mkdir("./bus", 0777) = 0 [pid 5861] <... chdir resumed>) = 0 [pid 5863] mount("/dev/loop0", "./bus", "ntfs3", 0, "" [pid 5861] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5861] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5861] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5861] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 5861] read(4, [pid 5864] <... write resumed>) = 2097152 [pid 5864] munmap(0x7f8e0a400000, 138412032 [pid 5862] close(3 [pid 5864] <... munmap resumed>) = 0 [pid 5862] <... close resumed>) = 0 [pid 5864] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 5865] <... write resumed>) = 2097152 [pid 5864] ioctl(4, LOOP_SET_FD, 3 [pid 5862] close(4) = 0 [ 93.119054][ T5862] loop3: detected capacity change from 0 to 4096 [pid 5862] mkdir("./bus", 0777) = 0 [pid 5864] <... ioctl resumed>) = 0 [pid 5862] mount("/dev/loop3", "./bus", "ntfs3", 0, "" [pid 5864] close(3) = 0 [pid 5864] close(4) = 0 [pid 5864] mkdir("./bus", 0777) = 0 [pid 5865] munmap(0x7f8e0a400000, 138412032 [pid 5864] mount("/dev/loop2", "./bus", "ntfs3", 0, "" [pid 5863] <... mount resumed>) = 0 [pid 5863] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5863] chdir("./bus") = 0 [pid 5863] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5865] <... munmap resumed>) = 0 [pid 5863] sched_setaffinity(0, 0, NULL [pid 5865] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5863] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5865] <... openat resumed>) = 4 [pid 5865] ioctl(4, LOOP_SET_FD, 3 [pid 5863] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [ 93.178250][ T5864] loop2: detected capacity change from 0 to 4096 [pid 5863] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 5863] read(4, [pid 5865] <... ioctl resumed>) = 0 [pid 5865] close(3 [pid 5862] <... mount resumed>) = 0 [pid 5865] <... close resumed>) = 0 [pid 5862] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5865] close(4 [pid 5862] <... openat resumed>) = 3 [pid 5865] <... close resumed>) = 0 [pid 5862] chdir("./bus") = 0 [pid 5862] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5862] sched_setaffinity(0, 0, NULL [pid 5865] mkdir("./bus", 0777 [pid 5862] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5862] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5862] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 5862] read(4, [pid 5865] <... mkdir resumed>) = 0 [pid 5865] mount("/dev/loop1", "./bus", "ntfs3", 0, "" [pid 5864] <... mount resumed>) = 0 [ 93.236216][ T5865] loop1: detected capacity change from 0 to 4096 [pid 5864] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5864] chdir("./bus") = 0 [pid 5865] <... mount resumed>) = 0 [pid 5864] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5864] sched_setaffinity(0, 0, NULL [pid 5865] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5864] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5865] chdir("./bus" [pid 5864] sched_setscheduler(0, SCHED_RR, NULL [pid 5865] <... chdir resumed>) = 0 [pid 5864] <... sched_setscheduler resumed>) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5864] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5865] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5865] sched_setaffinity(0, 0, NULL [pid 5864] <... openat resumed>) = 4 [pid 5865] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5864] read(4, [pid 5865] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 5865] read(4, [pid 5861] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5861] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5861] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 5861] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 5861] exit_group(0) = ? [pid 5861] +++ exited with 0 +++ [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5861, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 5846] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5846] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5846] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5846] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5846] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5846] newfstatat(AT_FDCWD, "./2/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5846] unlink("./2/binderfs") = 0 [pid 5846] umount2("./2/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 5846] umount2("./2/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5846] newfstatat(AT_FDCWD, "./2/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5846] umount2("./2/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5846] openat(AT_FDCWD, "./2/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5846] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5846] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5846] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5846] close(4) = 0 [pid 5846] rmdir("./2/bus") = 0 [pid 5846] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5846] close(3) = 0 [pid 5846] rmdir("./2") = 0 [pid 5846] mkdir("./3", 0777) = 0 [pid 5846] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5846] ioctl(3, LOOP_CLR_FD) = 0 [pid 5863] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5863] sched_setaffinity(0, 0, NULL [pid 5846] close(3 [pid 5864] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5864] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5863] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5864] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 5863] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 5863] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 5863] exit_group(0) = ? [pid 5863] +++ exited with 0 +++ [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5863, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=17 /* 0.17 s */} --- [pid 5842] restart_syscall(<... resuming interrupted clone ...> [pid 5864] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5842] <... restart_syscall resumed>) = 0 [pid 5864] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5864] exit_group(0) = ? [pid 5842] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5842] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5842] getdents64(3, [pid 5864] +++ exited with 0 +++ [pid 5842] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5842] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5864, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5844] restart_syscall(<... resuming interrupted clone ...> [pid 5842] newfstatat(AT_FDCWD, "./2/binderfs", [pid 5844] <... restart_syscall resumed>) = 0 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] unlink("./2/binderfs") = 0 [pid 5844] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] umount2("./2/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5846] <... close resumed>) = 0 [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5865] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5865] sched_setaffinity(0, 0, NULL [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5844] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 5867 attached [pid 5865] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5844] <... openat resumed>) = 3 [pid 5865] rename(NULL, NULL [pid 5844] newfstatat(3, "", [pid 5865] <... rename resumed>) = -1 EFAULT (Bad address) [pid 5844] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5844] getdents64(3, [pid 5865] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5844] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5865] exit_group(0 [pid 5844] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5867] set_robust_list(0x55557f708660, 24 [pid 5865] <... exit_group resumed>) = ? [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] <... umount2 resumed>) = 0 [pid 5867] <... set_robust_list resumed>) = 0 [pid 5844] newfstatat(AT_FDCWD, "./2/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] unlink("./2/binderfs") = 0 [pid 5844] umount2("./2/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5846] <... clone resumed>, child_tidptr=0x55557f708650) = 5867 [pid 5867] chdir("./3" [pid 5844] <... umount2 resumed>) = 0 [pid 5842] umount2("./2/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] <... chdir resumed>) = 0 [pid 5844] umount2("./2/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] newfstatat(AT_FDCWD, "./2/bus", [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5867] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5844] newfstatat(AT_FDCWD, "./2/bus", [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] <... prctl resumed>) = 0 [pid 5844] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] umount2("./2/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5867] setpgid(0, 0 [pid 5865] +++ exited with 0 +++ [pid 5844] umount2("./2/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5865, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=21 /* 0.21 s */} --- [pid 5844] openat(AT_FDCWD, "./2/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5843] restart_syscall(<... resuming interrupted clone ...> [pid 5842] openat(AT_FDCWD, "./2/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5867] <... setpgid resumed>) = 0 [pid 5844] <... openat resumed>) = 4 [pid 5844] newfstatat(4, "", [pid 5867] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5862] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5843] <... restart_syscall resumed>) = 0 [pid 5842] <... openat resumed>) = 4 [pid 5867] <... openat resumed>) = 3 [pid 5862] sched_setaffinity(0, 0, NULL [pid 5844] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] write(3, "1000", 4 [pid 5862] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(4, "", [pid 5844] getdents64(4, [pid 5867] <... write resumed>) = 4 [pid 5862] rename(NULL, NULL [pid 5844] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] close(3 [pid 5862] <... rename resumed>) = -1 EFAULT (Bad address) [pid 5867] <... close resumed>) = 0 [pid 5862] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5844] getdents64(4, [pid 5843] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] getdents64(4, [pid 5867] symlink("/dev/binderfs", "./binderfs" [pid 5862] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5867] <... symlink resumed>) = 0 [pid 5862] exit_group(0 [pid 5844] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5862] <... exit_group resumed>) = ? [pid 5844] close(4 [pid 5843] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5867] write(1, "executing program\n", 18 [pid 5844] <... close resumed>) = 0 executing program [pid 5842] getdents64(4, [pid 5844] rmdir("./2/bus" [pid 5843] <... openat resumed>) = 3 [pid 5844] <... rmdir resumed>) = 0 [pid 5843] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5843] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5843] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5844] getdents64(3, [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5867] <... write resumed>) = 18 [pid 5844] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5843] newfstatat(AT_FDCWD, "./2/binderfs", [pid 5842] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5843] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] unlink("./2/binderfs" [pid 5844] close(3 [pid 5843] <... unlink resumed>) = 0 [pid 5844] <... close resumed>) = 0 [pid 5844] rmdir("./2" [pid 5867] memfd_create("syzkaller", 0 [pid 5844] <... rmdir resumed>) = 0 [pid 5842] close(4 [pid 5843] umount2("./2/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] <... close resumed>) = 0 [pid 5867] <... memfd_create resumed>) = 3 [pid 5843] <... umount2 resumed>) = 0 [pid 5842] rmdir("./2/bus" [pid 5867] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 [pid 5862] +++ exited with 0 +++ [pid 5844] mkdir("./3", 0777 [pid 5842] <... rmdir resumed>) = 0 [pid 5845] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5862, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 5845] restart_syscall(<... resuming interrupted clone ...> [pid 5844] <... mkdir resumed>) = 0 [pid 5844] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5845] <... restart_syscall resumed>) = 0 [pid 5844] <... openat resumed>) = 3 [pid 5844] ioctl(3, LOOP_CLR_FD) = 0 [pid 5845] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5844] close(3 [pid 5845] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] getdents64(3, [pid 5845] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5842] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5845] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5845] getdents64(3, [pid 5843] umount2("./2/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5845] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5845] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5845] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] newfstatat(AT_FDCWD, "./2/bus", [pid 5845] newfstatat(AT_FDCWD, "./2/binderfs", [pid 5843] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5845] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] umount2("./2/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] close(3 [pid 5845] unlink("./2/binderfs") = 0 [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5845] umount2("./2/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5843] openat(AT_FDCWD, "./2/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5843] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5843] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5843] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5843] close(4) = 0 [pid 5843] rmdir("./2/bus") = 0 [pid 5843] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5843] close(3) = 0 [pid 5843] rmdir("./2") = 0 [pid 5843] mkdir("./3", 0777) = 0 [pid 5843] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5842] <... close resumed>) = 0 [pid 5843] ioctl(3, LOOP_CLR_FD) = 0 [pid 5843] close(3 [pid 5842] rmdir("./2" [pid 5844] <... close resumed>) = 0 [pid 5842] <... rmdir resumed>) = 0 [pid 5842] mkdir("./3", 0777 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5842] <... mkdir resumed>) = 0 [pid 5842] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ./strace-static-x86_64: Process 5868 attached [pid 5868] set_robust_list(0x55557f708660, 24 [pid 5844] <... clone resumed>, child_tidptr=0x55557f708650) = 5868 [pid 5868] <... set_robust_list resumed>) = 0 [pid 5868] chdir("./3") = 0 [pid 5843] <... close resumed>) = 0 [pid 5842] ioctl(3, LOOP_CLR_FD) = 0 [pid 5868] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5868] setpgid(0, 0 [pid 5845] <... umount2 resumed>) = 0 [pid 5868] <... setpgid resumed>) = 0 [pid 5868] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5868] write(3, "1000", 4) = 4 [pid 5868] close(3) = 0 [pid 5868] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5868] write(1, "executing program\n", 18 [pid 5845] umount2("./2/bus", MNT_FORCE|UMOUNT_NOFOLLOWexecuting program [pid 5868] <... write resumed>) = 18 [pid 5845] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5868] memfd_create("syzkaller", 0 [pid 5845] newfstatat(AT_FDCWD, "./2/bus", [pid 5842] close(3 [pid 5845] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5845] umount2("./2/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5845] openat(AT_FDCWD, "./2/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5867] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5845] newfstatat(4, "", [pid 5868] <... memfd_create resumed>) = 3 [pid 5845] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5868] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5845] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5845] getdents64(4, [pid 5868] <... mmap resumed>) = 0x7f8e0a400000 [pid 5845] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5843] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5869 attached [pid 5845] close(4) = 0 [pid 5845] rmdir("./2/bus" [pid 5843] <... clone resumed>, child_tidptr=0x55557f708650) = 5869 [pid 5869] set_robust_list(0x55557f708660, 24) = 0 [pid 5869] chdir("./3") = 0 [pid 5869] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5869] setpgid(0, 0) = 0 [pid 5869] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5845] <... rmdir resumed>) = 0 [pid 5869] write(3, "1000", 4 [pid 5845] getdents64(3, [pid 5869] <... write resumed>) = 4 [pid 5869] close(3) = 0 [pid 5845] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5869] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5845] close(3) = 0 [pid 5869] write(1, "executing program\n", 18 [pid 5845] rmdir("./2" [pid 5869] <... write resumed>) = 18 [pid 5845] <... rmdir resumed>) = 0 [pid 5869] memfd_create("syzkaller", 0) = 3 [pid 5869] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 [pid 5845] mkdir("./3", 0777) = 0 [pid 5845] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5842] <... close resumed>) = 0 [pid 5845] <... openat resumed>) = 3 [pid 5845] ioctl(3, LOOP_CLR_FD) = 0 [pid 5845] close(3 [pid 5868] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5870 attached [pid 5845] <... close resumed>) = 0 [pid 5842] <... clone resumed>, child_tidptr=0x55557f708650) = 5870 [pid 5870] set_robust_list(0x55557f708660, 24) = 0 [pid 5870] chdir("./3") = 0 [pid 5867] <... write resumed>) = 2097152 [pid 5870] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5870] setpgid(0, 0) = 0 [pid 5870] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5867] munmap(0x7f8e0a400000, 138412032 [pid 5870] <... openat resumed>) = 3 [pid 5870] write(3, "1000", 4) = 4 [pid 5870] close(3) = 0 [pid 5870] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5845] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program ./strace-static-x86_64: Process 5871 attached [pid 5870] write(1, "executing program\n", 18) = 18 [pid 5871] set_robust_list(0x55557f708660, 24) = 0 [pid 5871] chdir("./3" [pid 5870] memfd_create("syzkaller", 0 [pid 5869] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5867] <... munmap resumed>) = 0 [pid 5845] <... clone resumed>, child_tidptr=0x55557f708650) = 5871 [pid 5871] <... chdir resumed>) = 0 [pid 5871] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5870] <... memfd_create resumed>) = 3 [pid 5871] <... prctl resumed>) = 0 [pid 5870] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5867] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5871] setpgid(0, 0 [pid 5870] <... mmap resumed>) = 0x7f8e0a400000 [pid 5868] <... write resumed>) = 2097152 [pid 5871] <... setpgid resumed>) = 0 [pid 5867] <... openat resumed>) = 4 [pid 5871] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5871] write(3, "1000", 4) = 4 [pid 5868] munmap(0x7f8e0a400000, 138412032 [pid 5867] ioctl(4, LOOP_SET_FD, 3 [pid 5871] close(3) = 0 [pid 5871] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 5871] write(1, "executing program\n", 18) = 18 [pid 5871] memfd_create("syzkaller", 0 [pid 5868] <... munmap resumed>) = 0 [pid 5867] <... ioctl resumed>) = 0 [pid 5871] <... memfd_create resumed>) = 3 [pid 5871] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 [pid 5867] close(3) = 0 [pid 5867] close(4) = 0 [pid 5868] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 5867] mkdir("./bus", 0777 [ 94.086843][ T5867] loop4: detected capacity change from 0 to 4096 [pid 5868] ioctl(4, LOOP_SET_FD, 3 [pid 5867] <... mkdir resumed>) = 0 [pid 5867] mount("/dev/loop4", "./bus", "ntfs3", 0, "" [pid 5868] <... ioctl resumed>) = 0 [pid 5870] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5869] <... write resumed>) = 2097152 [pid 5869] munmap(0x7f8e0a400000, 138412032) = 0 [pid 5868] close(3) = 0 [pid 5868] close(4) = 0 [pid 5868] mkdir("./bus", 0777) = 0 [ 94.129280][ T5868] loop2: detected capacity change from 0 to 4096 [pid 5868] mount("/dev/loop2", "./bus", "ntfs3", 0, "" [pid 5871] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5869] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5869] ioctl(4, LOOP_SET_FD, 3 [pid 5870] <... write resumed>) = 2097152 [pid 5867] <... mount resumed>) = 0 [pid 5867] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5870] munmap(0x7f8e0a400000, 138412032 [pid 5867] chdir("./bus") = 0 [pid 5867] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5869] <... ioctl resumed>) = 0 [pid 5869] close(3) = 0 [pid 5869] close(4) = 0 [pid 5869] mkdir("./bus", 0777) = 0 [pid 5867] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5869] mount("/dev/loop1", "./bus", "ntfs3", 0, "" [pid 5867] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5867] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5870] <... munmap resumed>) = 0 [pid 5867] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 5867] read(4, [pid 5870] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 94.205806][ T5869] loop1: detected capacity change from 0 to 4096 [pid 5870] ioctl(4, LOOP_SET_FD, 3 [pid 5868] <... mount resumed>) = 0 [pid 5868] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5868] chdir("./bus") = 0 [pid 5868] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5868] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5868] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5868] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 5868] read(4, [pid 5871] <... write resumed>) = 2097152 [pid 5870] <... ioctl resumed>) = 0 [pid 5870] close(3) = 0 [pid 5870] close(4) = 0 [pid 5870] mkdir("./bus", 0777 [pid 5871] munmap(0x7f8e0a400000, 138412032 [pid 5870] <... mkdir resumed>) = 0 [pid 5869] <... mount resumed>) = 0 [pid 5871] <... munmap resumed>) = 0 [pid 5870] mount("/dev/loop0", "./bus", "ntfs3", 0, "" [pid 5871] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5869] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5871] <... openat resumed>) = 4 [pid 5869] <... openat resumed>) = 3 [pid 5871] ioctl(4, LOOP_SET_FD, 3 [pid 5869] chdir("./bus") = 0 [ 94.265213][ T5870] loop0: detected capacity change from 0 to 4096 [pid 5869] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5869] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5869] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5869] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 5869] read(4, [pid 5871] <... ioctl resumed>) = 0 [pid 5871] close(3) = 0 [pid 5871] close(4) = 0 [pid 5871] mkdir("./bus", 0777) = 0 [ 94.326204][ T5871] loop3: detected capacity change from 0 to 4096 [pid 5871] mount("/dev/loop3", "./bus", "ntfs3", 0, "" [pid 5870] <... mount resumed>) = 0 [pid 5870] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5871] <... mount resumed>) = 0 [pid 5871] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5870] chdir("./bus") = 0 [pid 5870] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5871] chdir("./bus") = 0 [pid 5871] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5871] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5870] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5871] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5871] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 5871] read(4, [pid 5870] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5870] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5870] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 5870] read(4, [pid 5868] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5868] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5868] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 5868] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 5868] exit_group(0) = ? [pid 5869] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5868] +++ exited with 0 +++ [pid 5869] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5868, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 5869] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 5844] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5869] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5869] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5844] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5869] exit_group(0 [pid 5844] <... openat resumed>) = 3 [pid 5869] <... exit_group resumed>) = ? [pid 5844] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5844] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5844] umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] newfstatat(AT_FDCWD, "./3/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] unlink("./3/binderfs") = 0 [pid 5844] umount2("./3/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 5869] +++ exited with 0 +++ [pid 5843] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5869, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=18 /* 0.18 s */} --- [pid 5843] restart_syscall(<... resuming interrupted clone ...> [pid 5844] umount2("./3/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] newfstatat(AT_FDCWD, "./3/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] umount2("./3/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5843] <... restart_syscall resumed>) = 0 [pid 5844] openat(AT_FDCWD, "./3/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5843] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5844] newfstatat(4, "", [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5844] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5843] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5871] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5843] <... openat resumed>) = 3 [pid 5844] getdents64(4, [pid 5871] sched_setaffinity(0, 0, NULL [pid 5843] newfstatat(3, "", [pid 5871] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5871] rename(NULL, NULL [pid 5844] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5843] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5871] <... rename resumed>) = -1 EFAULT (Bad address) [pid 5843] getdents64(3, [pid 5871] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 5844] getdents64(4, [pid 5843] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5871] exit_group(0 [pid 5844] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5871] <... exit_group resumed>) = ? [pid 5844] close(4 [pid 5843] umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5844] <... close resumed>) = 0 [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5844] rmdir("./3/bus") = 0 [pid 5844] getdents64(3, [pid 5871] +++ exited with 0 +++ [pid 5843] newfstatat(AT_FDCWD, "./3/binderfs", [pid 5845] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5871, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 5844] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5843] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] close(3 [pid 5843] unlink("./3/binderfs" [pid 5844] <... close resumed>) = 0 [pid 5845] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5843] <... unlink resumed>) = 0 [pid 5845] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5844] rmdir("./3" [pid 5843] umount2("./3/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5845] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5844] <... rmdir resumed>) = 0 [pid 5845] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5843] <... umount2 resumed>) = 0 [pid 5845] getdents64(3, [pid 5843] umount2("./3/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5845] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5844] mkdir("./4", 0777 [pid 5843] newfstatat(AT_FDCWD, "./3/bus", [pid 5845] umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5844] <... mkdir resumed>) = 0 [pid 5843] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5870] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5845] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] umount2("./3/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5870] sched_setaffinity(0, 0, NULL [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5870] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5843] openat(AT_FDCWD, "./3/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5870] rename(NULL, NULL [pid 5845] newfstatat(AT_FDCWD, "./3/binderfs", [pid 5870] <... rename resumed>) = -1 EFAULT (Bad address) [pid 5845] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] <... openat resumed>) = 4 [pid 5870] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5845] unlink("./3/binderfs" [pid 5844] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5843] newfstatat(4, "", [pid 5870] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5845] <... unlink resumed>) = 0 [pid 5844] <... openat resumed>) = 3 [pid 5843] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5870] exit_group(0 [pid 5843] getdents64(4, [pid 5845] umount2("./3/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5844] ioctl(3, LOOP_CLR_FD [pid 5870] <... exit_group resumed>) = ? [pid 5843] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5844] <... ioctl resumed>) = 0 [pid 5843] getdents64(4, [pid 5844] close(3 [pid 5843] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5870] +++ exited with 0 +++ [pid 5867] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5843] close(4) = 0 [pid 5843] rmdir("./3/bus") = 0 [pid 5843] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5843] close(3) = 0 [pid 5843] rmdir("./3") = 0 [pid 5843] mkdir("./4", 0777) = 0 [pid 5843] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5867] sched_setaffinity(0, 0, NULL [pid 5845] <... umount2 resumed>) = 0 [pid 5867] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5843] ioctl(3, LOOP_CLR_FD [pid 5867] rename(NULL, NULL [pid 5844] <... close resumed>) = 0 [pid 5843] <... ioctl resumed>) = 0 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5870, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 5867] <... rename resumed>) = -1 EFAULT (Bad address) [pid 5867] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5843] close(3 [pid 5867] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5845] umount2("./3/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5867] exit_group(0 [pid 5842] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5867] <... exit_group resumed>) = ? [pid 5845] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5867] +++ exited with 0 +++ [pid 5845] newfstatat(AT_FDCWD, "./3/bus", [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5842] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5867, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=22 /* 0.22 s */} --- [pid 5845] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] <... openat resumed>) = 3 [pid 5845] umount2("./3/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5844] <... clone resumed>, child_tidptr=0x55557f708650) = 5872 [pid 5842] newfstatat(3, "", [pid 5845] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5845] openat(AT_FDCWD, "./3/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5842] getdents64(3, [pid 5845] <... openat resumed>) = 4 [pid 5842] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 ./strace-static-x86_64: Process 5872 attached [pid 5846] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5845] newfstatat(4, "", [pid 5842] umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5872] set_robust_list(0x55557f708660, 24 [pid 5846] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5872] <... set_robust_list resumed>) = 0 [pid 5846] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5845] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5872] chdir("./4" [pid 5846] <... openat resumed>) = 3 [pid 5845] getdents64(4, [pid 5842] newfstatat(AT_FDCWD, "./3/binderfs", [pid 5872] <... chdir resumed>) = 0 [pid 5846] newfstatat(3, "", [pid 5845] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5845] getdents64(4, [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5872] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5846] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5845] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5842] unlink("./3/binderfs" [pid 5846] getdents64(3, [pid 5845] close(4) = 0 [pid 5842] <... unlink resumed>) = 0 [pid 5846] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5845] rmdir("./3/bus" [pid 5846] umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] umount2("./3/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5845] <... rmdir resumed>) = 0 [pid 5842] <... umount2 resumed>) = 0 [pid 5846] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] <... close resumed>) = 0 [pid 5872] <... prctl resumed>) = 0 [pid 5846] newfstatat(AT_FDCWD, "./3/binderfs", [pid 5845] getdents64(3, [pid 5842] umount2("./3/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5872] setpgid(0, 0 [pid 5846] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5845] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5843] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5845] close(3 [pid 5842] newfstatat(AT_FDCWD, "./3/bus", [pid 5846] unlink("./3/binderfs" [pid 5872] <... setpgid resumed>) = 0 [pid 5846] <... unlink resumed>) = 0 [pid 5845] <... close resumed>) = 0 [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5846] umount2("./3/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5845] rmdir("./3"./strace-static-x86_64: Process 5873 attached [pid 5873] set_robust_list(0x55557f708660, 24) = 0 [pid 5845] <... rmdir resumed>) = 0 [pid 5842] umount2("./3/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5873] chdir("./4" [pid 5872] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5845] mkdir("./4", 0777 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5873] <... chdir resumed>) = 0 [pid 5843] <... clone resumed>, child_tidptr=0x55557f708650) = 5873 [pid 5873] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5873] setpgid(0, 0 [pid 5845] <... mkdir resumed>) = 0 [pid 5842] openat(AT_FDCWD, "./3/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5873] <... setpgid resumed>) = 0 [pid 5873] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5872] <... openat resumed>) = 3 [pid 5842] <... openat resumed>) = 4 [pid 5873] <... openat resumed>) = 3 [pid 5873] write(3, "1000", 4 [pid 5872] write(3, "1000", 4 [pid 5846] <... umount2 resumed>) = 0 [pid 5845] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5842] newfstatat(4, "", [pid 5872] <... write resumed>) = 4 [pid 5845] <... openat resumed>) = 3 [pid 5873] <... write resumed>) = 4 [pid 5872] close(3 [pid 5846] umount2("./3/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5845] ioctl(3, LOOP_CLR_FD [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5873] close(3 [pid 5872] <... close resumed>) = 0 [pid 5846] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5845] <... ioctl resumed>) = 0 [pid 5842] getdents64(4, [pid 5873] <... close resumed>) = 0 [pid 5872] symlink("/dev/binderfs", "./binderfs" [pid 5846] newfstatat(AT_FDCWD, "./3/bus", [pid 5845] close(3 [pid 5873] symlink("/dev/binderfs", "./binderfs"executing program executing program [pid 5842] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5873] <... symlink resumed>) = 0 [pid 5846] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5873] write(1, "executing program\n", 18 [pid 5872] <... symlink resumed>) = 0 [pid 5872] write(1, "executing program\n", 18 [pid 5846] umount2("./3/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5873] <... write resumed>) = 18 [pid 5846] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5872] <... write resumed>) = 18 [pid 5873] memfd_create("syzkaller", 0) = 3 [pid 5873] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 [pid 5872] memfd_create("syzkaller", 0 [pid 5846] openat(AT_FDCWD, "./3/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5842] getdents64(4, [pid 5846] newfstatat(4, "", [pid 5842] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5872] <... memfd_create resumed>) = 3 [pid 5872] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5846] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5842] close(4) = 0 [pid 5872] <... mmap resumed>) = 0x7f8e0a400000 [pid 5842] rmdir("./3/bus" [pid 5846] getdents64(4, [pid 5873] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5846] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5845] <... close resumed>) = 0 [pid 5842] <... rmdir resumed>) = 0 [pid 5846] getdents64(4, [pid 5842] getdents64(3, [pid 5846] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5846] close(4 [pid 5842] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5846] <... close resumed>) = 0 [pid 5842] close(3 [pid 5846] rmdir("./3/bus" [pid 5842] <... close resumed>) = 0 [pid 5846] <... rmdir resumed>) = 0 [pid 5845] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5842] rmdir("./3" [pid 5846] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5842] <... rmdir resumed>) = 0 [pid 5846] close(3./strace-static-x86_64: Process 5874 attached ) = 0 [pid 5842] mkdir("./4", 0777 [pid 5846] rmdir("./3" [pid 5845] <... clone resumed>, child_tidptr=0x55557f708650) = 5874 [pid 5874] set_robust_list(0x55557f708660, 24 [pid 5846] <... rmdir resumed>) = 0 [pid 5874] <... set_robust_list resumed>) = 0 [pid 5874] chdir("./4") = 0 [pid 5846] mkdir("./4", 0777 [pid 5842] <... mkdir resumed>) = 0 [pid 5874] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5874] setpgid(0, 0 [pid 5846] <... mkdir resumed>) = 0 [pid 5842] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5846] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5842] <... openat resumed>) = 3 [pid 5846] ioctl(3, LOOP_CLR_FD [pid 5874] <... setpgid resumed>) = 0 [pid 5846] <... ioctl resumed>) = 0 [pid 5842] ioctl(3, LOOP_CLR_FD [pid 5846] close(3 [pid 5874] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5874] write(3, "1000", 4) = 4 [pid 5874] close(3) = 0 [pid 5874] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5874] write(1, "executing program\n", 18executing program ) = 18 [pid 5874] memfd_create("syzkaller", 0 [pid 5842] <... ioctl resumed>) = 0 [pid 5874] <... memfd_create resumed>) = 3 [pid 5873] <... write resumed>) = 2097152 [pid 5842] close(3 [pid 5874] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 [pid 5872] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5846] <... close resumed>) = 0 [pid 5873] munmap(0x7f8e0a400000, 138412032) = 0 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5842] <... close resumed>) = 0 [pid 5873] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5873] ioctl(4, LOOP_SET_FD, 3) = 0 ./strace-static-x86_64: Process 5875 attached [pid 5874] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5875] set_robust_list(0x55557f708660, 24 [pid 5873] close(3 [pid 5846] <... clone resumed>, child_tidptr=0x55557f708650) = 5875 [pid 5875] <... set_robust_list resumed>) = 0 [pid 5873] <... close resumed>) = 0 ./strace-static-x86_64: Process 5876 attached [pid 5875] chdir("./4" [pid 5873] close(4 [pid 5876] set_robust_list(0x55557f708660, 24 [pid 5875] <... chdir resumed>) = 0 [pid 5873] <... close resumed>) = 0 [pid 5876] <... set_robust_list resumed>) = 0 [pid 5875] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5872] <... write resumed>) = 2097152 [pid 5842] <... clone resumed>, child_tidptr=0x55557f708650) = 5876 [pid 5876] chdir("./4" [pid 5875] <... prctl resumed>) = 0 [pid 5873] mkdir("./bus", 0777 [pid 5872] munmap(0x7f8e0a400000, 138412032 [pid 5875] setpgid(0, 0 [pid 5873] <... mkdir resumed>) = 0 [pid 5873] mount("/dev/loop1", "./bus", "ntfs3", 0, "" [pid 5876] <... chdir resumed>) = 0 [pid 5875] <... setpgid resumed>) = 0 [pid 5875] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5876] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5876] setpgid(0, 0) = 0 [pid 5876] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5875] <... openat resumed>) = 3 [pid 5876] write(3, "1000", 4 [pid 5875] write(3, "1000", 4) = 4 [pid 5876] <... write resumed>) = 4 [pid 5876] close(3 [pid 5875] close(3 [pid 5876] <... close resumed>) = 0 [pid 5875] <... close resumed>) = 0 [pid 5872] <... munmap resumed>) = 0 [pid 5876] symlink("/dev/binderfs", "./binderfs" [pid 5875] symlink("/dev/binderfs", "./binderfs"executing program [pid 5872] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5875] <... symlink resumed>) = 0 [pid 5874] <... write resumed>) = 2097152 [pid 5876] <... symlink resumed>) = 0 [ 95.248355][ T5873] loop1: detected capacity change from 0 to 4096 [pid 5875] write(1, "executing program\n", 18 [pid 5876] write(1, "executing program\n", 18 [pid 5875] <... write resumed>) = 18 [pid 5874] munmap(0x7f8e0a400000, 138412032 [pid 5872] <... openat resumed>) = 4 [pid 5875] memfd_create("syzkaller", 0executing program [pid 5876] <... write resumed>) = 18 [pid 5876] memfd_create("syzkaller", 0 [pid 5875] <... memfd_create resumed>) = 3 [pid 5874] <... munmap resumed>) = 0 [pid 5873] <... mount resumed>) = 0 [pid 5872] ioctl(4, LOOP_SET_FD, 3 [pid 5874] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5873] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5876] <... memfd_create resumed>) = 3 [pid 5875] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5873] <... openat resumed>) = 3 [pid 5876] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5875] <... mmap resumed>) = 0x7f8e0a400000 [pid 5876] <... mmap resumed>) = 0x7f8e0a400000 [pid 5874] <... openat resumed>) = 4 [pid 5873] chdir("./bus" [pid 5872] <... ioctl resumed>) = 0 [pid 5874] ioctl(4, LOOP_SET_FD, 3 [pid 5873] <... chdir resumed>) = 0 [pid 5872] close(3 [pid 5873] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5872] <... close resumed>) = 0 [pid 5873] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5872] close(4 [pid 5873] sched_setaffinity(0, 0, NULL [pid 5872] <... close resumed>) = 0 [pid 5873] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5872] mkdir("./bus", 0777 [pid 5873] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5872] <... mkdir resumed>) = 0 [pid 5873] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 5872] mount("/dev/loop2", "./bus", "ntfs3", 0, "" [pid 5873] read(4, [pid 5874] <... ioctl resumed>) = 0 [pid 5874] close(3) = 0 [ 95.346398][ T5872] loop2: detected capacity change from 0 to 4096 [ 95.368079][ T5874] loop3: detected capacity change from 0 to 4096 [pid 5874] close(4) = 0 [pid 5874] mkdir("./bus", 0777) = 0 [pid 5876] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5875] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5874] mount("/dev/loop3", "./bus", "ntfs3", 0, "" [pid 5872] <... mount resumed>) = 0 [pid 5872] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5876] <... write resumed>) = 2097152 [pid 5872] <... openat resumed>) = 3 [pid 5876] munmap(0x7f8e0a400000, 138412032 [pid 5872] chdir("./bus" [pid 5876] <... munmap resumed>) = 0 [pid 5872] <... chdir resumed>) = 0 [pid 5872] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5874] <... mount resumed>) = 0 [pid 5872] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5874] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5872] sched_setaffinity(0, 0, NULL [pid 5874] <... openat resumed>) = 3 [pid 5872] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5874] chdir("./bus" [pid 5872] sched_setscheduler(0, SCHED_RR, NULL [pid 5874] <... chdir resumed>) = 0 [pid 5872] <... sched_setscheduler resumed>) = -1 EINVAL (Invalid argument) [pid 5874] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5872] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5874] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5872] <... openat resumed>) = 4 [pid 5874] sched_setaffinity(0, 0, NULL [pid 5872] read(4, [pid 5874] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5876] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5875] <... write resumed>) = 2097152 [pid 5874] sched_setscheduler(0, SCHED_RR, NULL [pid 5876] <... openat resumed>) = 4 [pid 5874] <... sched_setscheduler resumed>) = -1 EINVAL (Invalid argument) [pid 5876] ioctl(4, LOOP_SET_FD, 3 [pid 5875] munmap(0x7f8e0a400000, 138412032 [pid 5874] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 5874] read(4, [pid 5875] <... munmap resumed>) = 0 [pid 5876] <... ioctl resumed>) = 0 [pid 5873] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5876] close(3 [pid 5875] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5873] sched_setaffinity(0, 0, NULL [pid 5876] <... close resumed>) = 0 [pid 5875] <... openat resumed>) = 4 [pid 5873] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5876] close(4 [pid 5873] rename(NULL, NULL [pid 5876] <... close resumed>) = 0 [pid 5875] ioctl(4, LOOP_SET_FD, 3 [pid 5873] <... rename resumed>) = -1 EFAULT (Bad address) [pid 5873] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5876] mkdir("./bus", 0777 [pid 5875] <... ioctl resumed>) = 0 [pid 5876] <... mkdir resumed>) = 0 [pid 5873] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5876] mount("/dev/loop0", "./bus", "ntfs3", 0, "" [pid 5873] exit_group(0) = ? [pid 5873] +++ exited with 0 +++ [pid 5843] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5873, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=10 /* 0.10 s */} --- [pid 5843] restart_syscall(<... resuming interrupted clone ...> [pid 5875] close(3) = 0 [pid 5875] close(4) = 0 [pid 5875] mkdir("./bus", 0777) = 0 [pid 5875] mount("/dev/loop4", "./bus", "ntfs3", 0, "" [pid 5843] <... restart_syscall resumed>) = 0 [pid 5843] umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5843] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5843] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5843] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5843] umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 95.552818][ T5876] loop0: detected capacity change from 0 to 4096 [ 95.587301][ T5875] loop4: detected capacity change from 0 to 4096 [pid 5843] newfstatat(AT_FDCWD, "./4/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] unlink("./4/binderfs") = 0 [pid 5843] umount2("./4/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 5843] umount2("./4/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5875] <... mount resumed>) = 0 [pid 5875] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5876] <... mount resumed>) = 0 [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] newfstatat(AT_FDCWD, "./4/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5876] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5875] <... openat resumed>) = 3 [pid 5843] umount2("./4/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5876] <... openat resumed>) = 3 [pid 5875] chdir("./bus" [pid 5876] chdir("./bus" [pid 5875] <... chdir resumed>) = 0 [pid 5876] <... chdir resumed>) = 0 [pid 5875] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5876] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5875] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5876] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5875] sched_setaffinity(0, 0, NULL [pid 5876] sched_setaffinity(0, 0, NULL [pid 5875] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5876] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5875] sched_setscheduler(0, SCHED_RR, NULL [pid 5876] sched_setscheduler(0, SCHED_RR, NULL [pid 5875] <... sched_setscheduler resumed>) = -1 EINVAL (Invalid argument) [pid 5876] <... sched_setscheduler resumed>) = -1 EINVAL (Invalid argument) [pid 5875] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5876] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5875] <... openat resumed>) = 4 [pid 5876] <... openat resumed>) = 4 [pid 5875] read(4, [pid 5876] read(4, [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] openat(AT_FDCWD, "./4/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5843] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5843] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5843] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5843] close(4) = 0 [pid 5843] rmdir("./4/bus") = 0 [pid 5843] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5843] close(3) = 0 [pid 5843] rmdir("./4") = 0 [pid 5843] mkdir("./5", 0777) = 0 [pid 5843] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5843] ioctl(3, LOOP_CLR_FD) = 0 [pid 5843] close(3 [pid 5872] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5872] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5872] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 5872] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 5872] exit_group(0) = ? [pid 5872] +++ exited with 0 +++ [pid 5874] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5874] sched_setaffinity(0, 0, NULL [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5872, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 5843] <... close resumed>) = 0 [pid 5874] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5844] restart_syscall(<... resuming interrupted clone ...> [pid 5843] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5844] <... restart_syscall resumed>) = 0 [pid 5844] umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5877 attached [pid 5844] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5874] rename(NULL, NULL [pid 5844] <... openat resumed>) = 3 [pid 5877] set_robust_list(0x55557f708660, 24 [pid 5874] <... rename resumed>) = -1 EFAULT (Bad address) [pid 5844] newfstatat(3, "", [pid 5843] <... clone resumed>, child_tidptr=0x55557f708650) = 5877 [pid 5877] <... set_robust_list resumed>) = 0 [pid 5874] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5844] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5877] chdir("./5" [pid 5844] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5877] <... chdir resumed>) = 0 [pid 5844] umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5877] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5874] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5874] exit_group(0) = ? [pid 5877] setpgid(0, 0 [pid 5844] newfstatat(AT_FDCWD, "./4/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5877] <... setpgid resumed>) = 0 [pid 5877] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5844] unlink("./4/binderfs") = 0 [pid 5874] +++ exited with 0 +++ [pid 5845] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5874, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [pid 5877] <... openat resumed>) = 3 [pid 5845] restart_syscall(<... resuming interrupted clone ...> [pid 5844] umount2("./4/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5845] <... restart_syscall resumed>) = 0 [pid 5844] <... umount2 resumed>) = 0 [pid 5877] write(3, "1000", 4 [pid 5845] umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5877] <... write resumed>) = 4 [pid 5877] close(3) = 0 [pid 5845] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5877] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5845] <... openat resumed>) = 3 [pid 5877] write(1, "executing program\n", 18 [pid 5845] newfstatat(3, "", [pid 5877] <... write resumed>) = 18 [pid 5845] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5877] memfd_create("syzkaller", 0) = 3 [pid 5845] getdents64(3, [pid 5844] umount2("./4/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5877] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5845] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5877] <... mmap resumed>) = 0x7f8e0a400000 [pid 5845] umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5844] newfstatat(AT_FDCWD, "./4/bus", [pid 5845] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5844] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] umount2("./4/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] openat(AT_FDCWD, "./4/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5844] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5844] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5845] newfstatat(AT_FDCWD, "./4/binderfs", [pid 5844] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5845] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] close(4 [pid 5845] unlink("./4/binderfs" [pid 5844] <... close resumed>) = 0 [pid 5845] <... unlink resumed>) = 0 [pid 5844] rmdir("./4/bus" [pid 5845] umount2("./4/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5844] <... rmdir resumed>) = 0 [pid 5845] <... umount2 resumed>) = 0 [pid 5844] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5844] close(3) = 0 [pid 5844] rmdir("./4") = 0 [pid 5844] mkdir("./5", 0777) = 0 [pid 5844] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5845] umount2("./4/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5844] <... openat resumed>) = 3 [pid 5845] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5844] ioctl(3, LOOP_CLR_FD [pid 5875] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5875] sched_setaffinity(0, 0, NULL [pid 5845] newfstatat(AT_FDCWD, "./4/bus", [pid 5844] <... ioctl resumed>) = 0 [pid 5875] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5875] rename(NULL, NULL [pid 5845] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] close(3 [pid 5877] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5875] <... rename resumed>) = -1 EFAULT (Bad address) [pid 5845] umount2("./4/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5845] openat(AT_FDCWD, "./4/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5845] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5845] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5845] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5845] close(4) = 0 [pid 5845] rmdir("./4/bus") = 0 [pid 5845] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5845] close(3) = 0 [pid 5845] rmdir("./4") = 0 [pid 5845] mkdir("./5", 0777 [pid 5875] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5845] <... mkdir resumed>) = 0 [pid 5875] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5875] exit_group(0 [pid 5845] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5875] <... exit_group resumed>) = ? [pid 5845] ioctl(3, LOOP_CLR_FD) = 0 [pid 5845] close(3 [pid 5875] +++ exited with 0 +++ [pid 5844] <... close resumed>) = 0 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5875, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 5846] umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5846] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5846] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5846] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5846] umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5846] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5878 attached [pid 5846] newfstatat(AT_FDCWD, "./4/binderfs", [pid 5845] <... close resumed>) = 0 [pid 5846] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] <... clone resumed>, child_tidptr=0x55557f708650) = 5878 [pid 5846] unlink("./4/binderfs") = 0 [pid 5846] umount2("./4/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5878] set_robust_list(0x55557f708660, 24) = 0 [pid 5878] chdir("./5" [pid 5846] <... umount2 resumed>) = 0 [pid 5845] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5878] <... chdir resumed>) = 0 ./strace-static-x86_64: Process 5879 attached [pid 5878] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5846] umount2("./4/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5845] <... clone resumed>, child_tidptr=0x55557f708650) = 5879 [pid 5846] newfstatat(AT_FDCWD, "./4/bus", [pid 5878] <... prctl resumed>) = 0 [pid 5878] setpgid(0, 0 [pid 5846] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5878] <... setpgid resumed>) = 0 [pid 5879] set_robust_list(0x55557f708660, 24 [pid 5878] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5846] umount2("./4/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5879] <... set_robust_list resumed>) = 0 [pid 5878] <... openat resumed>) = 3 [pid 5846] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5878] write(3, "1000", 4 [pid 5879] chdir("./5" [pid 5878] <... write resumed>) = 4 [pid 5846] openat(AT_FDCWD, "./4/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5878] close(3 [pid 5879] <... chdir resumed>) = 0 [pid 5878] <... close resumed>) = 0 [pid 5846] <... openat resumed>) = 4 [pid 5879] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5846] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5879] <... prctl resumed>) = 0 [pid 5846] getdents64(4, [pid 5879] setpgid(0, 0 [pid 5846] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5879] <... setpgid resumed>) = 0 [pid 5879] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5878] symlink("/dev/binderfs", "./binderfs" [pid 5846] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5846] close(4 [pid 5879] write(3, "1000", 4 [pid 5846] <... close resumed>) = 0 [pid 5879] <... write resumed>) = 4 [pid 5846] rmdir("./4/bus" [pid 5879] close(3executing program [pid 5878] <... symlink resumed>) = 0 [pid 5879] <... close resumed>) = 0 [pid 5878] write(1, "executing program\n", 18 [pid 5879] symlink("/dev/binderfs", "./binderfs" [pid 5878] <... write resumed>) = 18 [pid 5846] <... rmdir resumed>) = 0 [pid 5879] <... symlink resumed>) = 0 [pid 5846] getdents64(3, [pid 5879] write(1, "executing program\n", 18 [pid 5846] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5878] memfd_create("syzkaller", 0 [pid 5846] close(3executing program ) = 0 [pid 5879] <... write resumed>) = 18 [pid 5878] <... memfd_create resumed>) = 3 [pid 5877] <... write resumed>) = 2097152 [pid 5846] rmdir("./4" [pid 5878] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5877] munmap(0x7f8e0a400000, 138412032 [pid 5878] <... mmap resumed>) = 0x7f8e0a400000 [pid 5877] <... munmap resumed>) = 0 [pid 5846] <... rmdir resumed>) = 0 [pid 5879] memfd_create("syzkaller", 0 [pid 5846] mkdir("./5", 0777 [pid 5879] <... memfd_create resumed>) = 3 [pid 5877] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5879] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5877] <... openat resumed>) = 4 [pid 5877] ioctl(4, LOOP_SET_FD, 3 [pid 5879] <... mmap resumed>) = 0x7f8e0a400000 [pid 5846] <... mkdir resumed>) = 0 [pid 5846] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5846] ioctl(3, LOOP_CLR_FD) = 0 [pid 5846] close(3 [pid 5877] <... ioctl resumed>) = 0 [pid 5877] close(3) = 0 [pid 5877] close(4 [pid 5878] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5877] <... close resumed>) = 0 [ 96.094537][ T5877] loop1: detected capacity change from 0 to 4096 [pid 5877] mkdir("./bus", 0777) = 0 [pid 5879] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5877] mount("/dev/loop1", "./bus", "ntfs3", 0, "" [pid 5846] <... close resumed>) = 0 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5880 attached [pid 5880] set_robust_list(0x55557f708660, 24 [pid 5846] <... clone resumed>, child_tidptr=0x55557f708650) = 5880 [pid 5880] <... set_robust_list resumed>) = 0 [pid 5880] chdir("./5") = 0 [pid 5880] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5880] setpgid(0, 0) = 0 [pid 5880] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5880] write(3, "1000", 4) = 4 [pid 5880] close(3) = 0 [pid 5880] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5880] write(1, "executing program\n", 18executing program ) = 18 [pid 5880] memfd_create("syzkaller", 0) = 3 [pid 5880] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5878] <... write resumed>) = 2097152 [pid 5880] <... mmap resumed>) = 0x7f8e0a400000 [pid 5878] munmap(0x7f8e0a400000, 138412032) = 0 [pid 5879] <... write resumed>) = 2097152 [pid 5878] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 5878] ioctl(4, LOOP_SET_FD, 3 [pid 5879] munmap(0x7f8e0a400000, 138412032) = 0 [pid 5878] <... ioctl resumed>) = 0 [pid 5879] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5878] close(3 [pid 5879] <... openat resumed>) = 4 [pid 5878] <... close resumed>) = 0 [pid 5879] ioctl(4, LOOP_SET_FD, 3 [pid 5878] close(4) = 0 [pid 5878] mkdir("./bus", 0777) = 0 [pid 5878] mount("/dev/loop2", "./bus", "ntfs3", 0, "" [pid 5879] <... ioctl resumed>) = 0 [pid 5879] close(3) = 0 [pid 5879] close(4) = 0 [pid 5879] mkdir("./bus", 0777 [pid 5877] <... mount resumed>) = 0 [pid 5879] <... mkdir resumed>) = 0 [pid 5879] mount("/dev/loop3", "./bus", "ntfs3", 0, "" [pid 5877] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5880] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5877] chdir("./bus") = 0 [ 96.253560][ T5878] loop2: detected capacity change from 0 to 4096 [ 96.272004][ T5879] loop3: detected capacity change from 0 to 4096 [pid 5877] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5877] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5877] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5877] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 5877] read(4, [pid 5878] <... mount resumed>) = 0 [pid 5878] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5878] chdir("./bus") = 0 [pid 5878] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5878] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5878] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5878] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 5880] <... write resumed>) = 2097152 [pid 5880] munmap(0x7f8e0a400000, 138412032 [pid 5878] read(4, [pid 5880] <... munmap resumed>) = 0 [pid 5880] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 5880] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5879] <... mount resumed>) = 0 [pid 5880] close(3) = 0 [pid 5880] close(4) = 0 [pid 5879] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5879] chdir("./bus") = 0 [pid 5879] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5879] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5879] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5879] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5880] mkdir("./bus", 0777 [pid 5879] <... openat resumed>) = 4 [pid 5879] read(4, [pid 5880] <... mkdir resumed>) = 0 [ 96.418732][ T5880] loop4: detected capacity change from 0 to 4096 [pid 5880] mount("/dev/loop4", "./bus", "ntfs3", 0, "") = 0 [pid 5880] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5880] chdir("./bus") = 0 [pid 5880] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5880] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5880] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5880] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 5880] read(4, [pid 5877] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5877] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5877] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 5877] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 5877] exit_group(0) = ? [pid 5877] +++ exited with 0 +++ [pid 5843] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5877, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5843] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5843] umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5878] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5878] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5843] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5878] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 5878] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 5878] exit_group(0 [pid 5843] <... openat resumed>) = 3 [pid 5843] newfstatat(3, "", [pid 5878] <... exit_group resumed>) = ? [pid 5843] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5843] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5843] umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5843] newfstatat(AT_FDCWD, "./5/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5878] +++ exited with 0 +++ [pid 5843] unlink("./5/binderfs" [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5878, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 5843] <... unlink resumed>) = 0 [pid 5844] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5843] umount2("./5/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5844] umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5844] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5844] getdents64(3, [pid 5843] <... umount2 resumed>) = 0 [pid 5844] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5843] umount2("./5/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5844] umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] newfstatat(AT_FDCWD, "./5/bus", [pid 5844] newfstatat(AT_FDCWD, "./5/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] unlink("./5/binderfs" [pid 5843] umount2("./5/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5844] <... unlink resumed>) = 0 [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] openat(AT_FDCWD, "./5/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5844] umount2("./5/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5843] <... openat resumed>) = 4 [pid 5843] newfstatat(4, "", [pid 5876] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5844] <... umount2 resumed>) = 0 [pid 5843] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5844] umount2("./5/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5843] getdents64(4, [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5876] sched_setaffinity(0, 0, NULL [pid 5844] newfstatat(AT_FDCWD, "./5/bus", [pid 5843] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5876] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5844] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] getdents64(4, [pid 5876] rename(NULL, NULL [pid 5844] umount2("./5/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5843] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5876] <... rename resumed>) = -1 EFAULT (Bad address) [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] close(4 [pid 5844] openat(AT_FDCWD, "./5/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5843] <... close resumed>) = 0 [pid 5876] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 5844] <... openat resumed>) = 4 [pid 5843] rmdir("./5/bus" [pid 5844] newfstatat(4, "", [pid 5876] exit_group(0 [pid 5843] <... rmdir resumed>) = 0 [pid 5876] <... exit_group resumed>) = ? [pid 5844] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5843] getdents64(3, [pid 5844] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5843] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5844] getdents64(4, [pid 5843] close(3 [pid 5876] +++ exited with 0 +++ [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5876, si_uid=0, si_status=0, si_utime=0, si_stime=26 /* 0.26 s */} --- [pid 5842] restart_syscall(<... resuming interrupted clone ...> [pid 5844] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5844] close(4 [pid 5843] <... close resumed>) = 0 [pid 5844] <... close resumed>) = 0 [pid 5843] rmdir("./5" [pid 5844] rmdir("./5/bus" [pid 5843] <... rmdir resumed>) = 0 [pid 5844] <... rmdir resumed>) = 0 [pid 5842] <... restart_syscall resumed>) = 0 [pid 5844] getdents64(3, [pid 5843] mkdir("./6", 0777 [pid 5844] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5844] close(3) = 0 [pid 5843] <... mkdir resumed>) = 0 [pid 5844] rmdir("./5" [pid 5843] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5842] umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5844] <... rmdir resumed>) = 0 [pid 5843] <... openat resumed>) = 3 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5844] mkdir("./6", 0777 [pid 5843] ioctl(3, LOOP_CLR_FD [pid 5842] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5844] <... mkdir resumed>) = 0 [pid 5843] <... ioctl resumed>) = 0 [pid 5844] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5843] close(3 [pid 5879] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5844] <... openat resumed>) = 3 [pid 5842] <... openat resumed>) = 3 [pid 5879] sched_setaffinity(0, 0, NULL [pid 5844] ioctl(3, LOOP_CLR_FD [pid 5842] newfstatat(3, "", [pid 5844] <... ioctl resumed>) = 0 [pid 5844] close(3 [pid 5879] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5844] <... close resumed>) = 0 [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5879] rename(NULL, NULL [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5842] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5879] <... rename resumed>) = -1 EFAULT (Bad address) ./strace-static-x86_64: Process 5881 attached [pid 5879] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5844] <... clone resumed>, child_tidptr=0x55557f708650) = 5881 [pid 5842] umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5881] set_robust_list(0x55557f708660, 24 [pid 5879] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5881] <... set_robust_list resumed>) = 0 [pid 5879] exit_group(0 [pid 5842] newfstatat(AT_FDCWD, "./4/binderfs", [pid 5881] chdir("./6" [pid 5879] <... exit_group resumed>) = ? [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5879] +++ exited with 0 +++ [pid 5881] <... chdir resumed>) = 0 [pid 5842] unlink("./4/binderfs" [pid 5881] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5845] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5879, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 5842] <... unlink resumed>) = 0 [pid 5881] <... prctl resumed>) = 0 [pid 5845] restart_syscall(<... resuming interrupted clone ...> [pid 5842] umount2("./4/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5881] setpgid(0, 0) = 0 [pid 5845] <... restart_syscall resumed>) = 0 [pid 5842] <... umount2 resumed>) = 0 [pid 5842] umount2("./4/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5845] umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] newfstatat(AT_FDCWD, "./4/bus", [pid 5881] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5845] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5881] <... openat resumed>) = 3 [pid 5842] umount2("./4/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5845] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5881] write(3, "1000", 4 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5881] <... write resumed>) = 4 [pid 5845] <... openat resumed>) = 3 [pid 5843] <... close resumed>) = 0 [pid 5842] openat(AT_FDCWD, "./4/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5881] close(3 [pid 5845] newfstatat(3, "", [pid 5842] <... openat resumed>) = 4 [pid 5881] <... close resumed>) = 0 [pid 5845] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5842] newfstatat(4, "", [pid 5881] symlink("/dev/binderfs", "./binderfs" [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5843] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5881] <... symlink resumed>) = 0 [pid 5842] getdents64(4, [pid 5845] getdents64(3, executing program ./strace-static-x86_64: Process 5882 attached [pid 5881] write(1, "executing program\n", 18 [pid 5845] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5842] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5881] <... write resumed>) = 18 [pid 5845] umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] getdents64(4, [pid 5843] <... clone resumed>, child_tidptr=0x55557f708650) = 5882 [pid 5881] memfd_create("syzkaller", 0 [pid 5845] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5882] set_robust_list(0x55557f708660, 24 [pid 5881] <... memfd_create resumed>) = 3 [pid 5845] newfstatat(AT_FDCWD, "./5/binderfs", [pid 5842] close(4 [pid 5882] <... set_robust_list resumed>) = 0 [pid 5881] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5845] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5882] chdir("./6" [pid 5845] unlink("./5/binderfs" [pid 5842] <... close resumed>) = 0 [pid 5882] <... chdir resumed>) = 0 [pid 5881] <... mmap resumed>) = 0x7f8e0a400000 [pid 5882] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5842] rmdir("./4/bus" [pid 5882] <... prctl resumed>) = 0 [pid 5842] <... rmdir resumed>) = 0 [pid 5882] setpgid(0, 0 [pid 5845] <... unlink resumed>) = 0 [pid 5842] getdents64(3, [pid 5882] <... setpgid resumed>) = 0 [pid 5845] umount2("./5/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5882] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5842] close(3 [pid 5882] <... openat resumed>) = 3 [pid 5880] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5842] <... close resumed>) = 0 [pid 5882] write(3, "1000", 4 [pid 5842] rmdir("./4" [pid 5882] <... write resumed>) = 4 [pid 5882] close(3 [pid 5880] sched_setaffinity(0, 0, NULL [pid 5842] <... rmdir resumed>) = 0 [pid 5882] <... close resumed>) = 0 [pid 5881] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5880] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5845] <... umount2 resumed>) = 0 [pid 5842] mkdir("./5", 0777 [pid 5882] symlink("/dev/binderfs", "./binderfs" [pid 5880] rename(NULL, NULL [pid 5845] umount2("./5/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5882] <... symlink resumed>) = 0 [pid 5845] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] <... mkdir resumed>) = 0 [pid 5880] <... rename resumed>) = -1 EFAULT (Bad address) [pid 5845] newfstatat(AT_FDCWD, "./5/bus", [pid 5842] openat(AT_FDCWD, "/dev/loop0", O_RDWRexecuting program [pid 5882] write(1, "executing program\n", 18 [pid 5880] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5845] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] <... openat resumed>) = 3 [pid 5882] <... write resumed>) = 18 [pid 5845] umount2("./5/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5880] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5842] ioctl(3, LOOP_CLR_FD [pid 5882] memfd_create("syzkaller", 0 [pid 5880] exit_group(0 [pid 5845] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] <... ioctl resumed>) = 0 [pid 5842] close(3 [pid 5882] <... memfd_create resumed>) = 3 [pid 5880] <... exit_group resumed>) = ? [pid 5845] openat(AT_FDCWD, "./5/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5882] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 [pid 5880] +++ exited with 0 +++ [pid 5845] <... openat resumed>) = 4 [pid 5845] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5880, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 5846] restart_syscall(<... resuming interrupted clone ...> [pid 5845] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5846] <... restart_syscall resumed>) = 0 [pid 5845] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5846] umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5845] close(4 [pid 5842] <... close resumed>) = 0 [pid 5846] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5845] <... close resumed>) = 0 [pid 5882] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5881] <... write resumed>) = 2097152 [pid 5846] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5845] rmdir("./5/bus" [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5845] <... rmdir resumed>) = 0 [pid 5846] <... openat resumed>) = 3 [pid 5845] getdents64(3, [pid 5846] newfstatat(3, "", ./strace-static-x86_64: Process 5883 attached [pid 5881] munmap(0x7f8e0a400000, 138412032 [pid 5845] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5842] <... clone resumed>, child_tidptr=0x55557f708650) = 5883 [pid 5846] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5883] set_robust_list(0x55557f708660, 24 [pid 5846] getdents64(3, [pid 5845] close(3 [pid 5883] <... set_robust_list resumed>) = 0 [pid 5846] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5845] <... close resumed>) = 0 [pid 5845] rmdir("./5" [pid 5846] umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5883] chdir("./5") = 0 [pid 5845] <... rmdir resumed>) = 0 [pid 5846] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5883] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5883] setpgid(0, 0) = 0 [pid 5883] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5881] <... munmap resumed>) = 0 [pid 5846] newfstatat(AT_FDCWD, "./5/binderfs", [pid 5845] mkdir("./6", 0777 [pid 5881] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5846] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5883] <... openat resumed>) = 3 [pid 5881] <... openat resumed>) = 4 [pid 5846] unlink("./5/binderfs" [pid 5845] <... mkdir resumed>) = 0 [pid 5881] ioctl(4, LOOP_SET_FD, 3 [pid 5883] write(3, "1000", 4 [pid 5846] <... unlink resumed>) = 0 [pid 5883] <... write resumed>) = 4 [pid 5883] close(3) = 0 [pid 5883] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5883] write(1, "executing program\n", 18) = 18 [pid 5883] memfd_create("syzkaller", 0 [pid 5846] umount2("./5/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5845] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5881] <... ioctl resumed>) = 0 [pid 5845] ioctl(3, LOOP_CLR_FD [pid 5881] close(3 [pid 5845] <... ioctl resumed>) = 0 [pid 5881] <... close resumed>) = 0 [pid 5845] close(3 [pid 5881] close(4 [pid 5846] <... umount2 resumed>) = 0 [pid 5881] <... close resumed>) = 0 [pid 5846] umount2("./5/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5883] <... memfd_create resumed>) = 3 [pid 5881] mkdir("./bus", 0777 [pid 5846] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5881] <... mkdir resumed>) = 0 [pid 5846] newfstatat(AT_FDCWD, "./5/bus", [pid 5881] mount("/dev/loop2", "./bus", "ntfs3", 0, "" [pid 5846] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5846] umount2("./5/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5883] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5846] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5883] <... mmap resumed>) = 0x7f8e0a400000 [pid 5846] openat(AT_FDCWD, "./5/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5882] <... write resumed>) = 2097152 [pid 5846] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5846] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5846] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5882] munmap(0x7f8e0a400000, 138412032 [pid 5846] close(4 [pid 5845] <... close resumed>) = 0 [pid 5846] <... close resumed>) = 0 [pid 5846] rmdir("./5/bus") = 0 [pid 5846] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5846] close(3) = 0 [ 97.030350][ T5881] loop2: detected capacity change from 0 to 4096 [pid 5846] rmdir("./5") = 0 [pid 5846] mkdir("./6", 0777 [pid 5845] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5846] <... mkdir resumed>) = 0 [pid 5846] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5846] ioctl(3, LOOP_CLR_FD) = 0 [pid 5846] close(3 [pid 5882] <... munmap resumed>) = 0 ./strace-static-x86_64: Process 5884 attached [pid 5883] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5882] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5845] <... clone resumed>, child_tidptr=0x55557f708650) = 5884 [pid 5884] set_robust_list(0x55557f708660, 24 [pid 5882] <... openat resumed>) = 4 [pid 5884] <... set_robust_list resumed>) = 0 [pid 5884] chdir("./6" [pid 5882] ioctl(4, LOOP_SET_FD, 3 [pid 5881] <... mount resumed>) = 0 [pid 5881] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5884] <... chdir resumed>) = 0 [pid 5881] <... openat resumed>) = 3 [pid 5884] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5881] chdir("./bus" [pid 5884] setpgid(0, 0 [pid 5882] <... ioctl resumed>) = 0 executing program [pid 5884] <... setpgid resumed>) = 0 [pid 5882] close(3 [pid 5881] <... chdir resumed>) = 0 [pid 5884] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5882] <... close resumed>) = 0 [pid 5882] close(4 [pid 5881] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5884] <... openat resumed>) = 3 [pid 5881] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5884] write(3, "1000", 4 [pid 5882] <... close resumed>) = 0 [pid 5884] <... write resumed>) = 4 [pid 5882] mkdir("./bus", 0777 [pid 5884] close(3) = 0 [pid 5882] <... mkdir resumed>) = 0 [pid 5881] sched_setaffinity(0, 0, NULL [pid 5846] <... close resumed>) = 0 [pid 5884] symlink("/dev/binderfs", "./binderfs" [pid 5882] mount("/dev/loop1", "./bus", "ntfs3", 0, "" [pid 5884] <... symlink resumed>) = 0 [pid 5881] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5881] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5884] write(1, "executing program\n", 18 [pid 5881] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY./strace-static-x86_64: Process 5885 attached [pid 5884] <... write resumed>) = 18 [pid 5881] <... openat resumed>) = 4 [pid 5881] read(4, [pid 5885] set_robust_list(0x55557f708660, 24 [pid 5884] memfd_create("syzkaller", 0 [pid 5846] <... clone resumed>, child_tidptr=0x55557f708650) = 5885 [pid 5885] <... set_robust_list resumed>) = 0 [pid 5884] <... memfd_create resumed>) = 3 [pid 5885] chdir("./6") = 0 [pid 5885] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5885] setpgid(0, 0) = 0 [pid 5885] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5885] write(3, "1000", 4 [pid 5884] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5885] <... write resumed>) = 4 [pid 5884] <... mmap resumed>) = 0x7f8e0a400000 [pid 5885] close(3) = 0 [ 97.107038][ T5882] loop1: detected capacity change from 0 to 4096 [pid 5885] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5885] write(1, "executing program\n", 18 [pid 5883] <... write resumed>) = 2097152 executing program [pid 5885] <... write resumed>) = 18 [pid 5883] munmap(0x7f8e0a400000, 138412032 [pid 5885] memfd_create("syzkaller", 0) = 3 [pid 5885] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 [pid 5883] <... munmap resumed>) = 0 [pid 5882] <... mount resumed>) = 0 [pid 5882] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5882] chdir("./bus") = 0 [pid 5882] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5882] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5882] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5882] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 5882] read(4, [pid 5883] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5883] ioctl(4, LOOP_SET_FD, 3 [pid 5884] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5885] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5883] <... ioctl resumed>) = 0 [pid 5883] close(3) = 0 [pid 5883] close(4) = 0 [pid 5883] mkdir("./bus", 0777) = 0 [ 97.237372][ T5883] loop0: detected capacity change from 0 to 4096 [pid 5883] mount("/dev/loop0", "./bus", "ntfs3", 0, "" [pid 5885] <... write resumed>) = 2097152 [pid 5883] <... mount resumed>) = 0 [pid 5885] munmap(0x7f8e0a400000, 138412032 [pid 5884] <... write resumed>) = 2097152 [pid 5883] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5883] chdir("./bus") = 0 [pid 5883] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5883] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5883] sched_setscheduler(0, SCHED_RR, NULL [pid 5884] munmap(0x7f8e0a400000, 138412032 [pid 5885] <... munmap resumed>) = 0 [pid 5884] <... munmap resumed>) = 0 [pid 5883] <... sched_setscheduler resumed>) = -1 EINVAL (Invalid argument) [pid 5883] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 5885] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5883] read(4, [pid 5885] <... openat resumed>) = 4 [pid 5884] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5885] ioctl(4, LOOP_SET_FD, 3 [pid 5884] <... openat resumed>) = 4 [pid 5884] ioctl(4, LOOP_SET_FD, 3 [pid 5885] <... ioctl resumed>) = 0 [pid 5885] close(3) = 0 [pid 5885] close(4) = 0 [pid 5885] mkdir("./bus", 0777) = 0 [ 97.396566][ T5885] loop4: detected capacity change from 0 to 4096 [ 97.404240][ T5884] loop3: detected capacity change from 0 to 4096 [pid 5885] mount("/dev/loop4", "./bus", "ntfs3", 0, "" [pid 5881] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5884] <... ioctl resumed>) = 0 [pid 5881] sched_setaffinity(0, 0, NULL [pid 5884] close(3 [pid 5881] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5884] <... close resumed>) = 0 [pid 5881] rename(NULL, NULL [pid 5884] close(4 [pid 5881] <... rename resumed>) = -1 EFAULT (Bad address) [pid 5884] <... close resumed>) = 0 [pid 5881] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5884] mkdir("./bus", 0777 [pid 5881] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5881] exit_group(0) = ? [pid 5881] +++ exited with 0 +++ [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5881, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=13 /* 0.13 s */} --- [pid 5844] umount2("./6", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5884] <... mkdir resumed>) = 0 [pid 5884] mount("/dev/loop3", "./bus", "ntfs3", 0, "" [pid 5844] <... openat resumed>) = 3 [pid 5844] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5844] getdents64(3, [pid 5885] <... mount resumed>) = 0 [pid 5844] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5885] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5844] umount2("./6/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5885] <... openat resumed>) = 3 [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5885] chdir("./bus" [pid 5844] newfstatat(AT_FDCWD, "./6/binderfs", [pid 5885] <... chdir resumed>) = 0 [pid 5885] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5885] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5844] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5885] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5885] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 5885] read(4, [pid 5844] unlink("./6/binderfs") = 0 [pid 5844] umount2("./6/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 5844] umount2("./6/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] newfstatat(AT_FDCWD, "./6/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] umount2("./6/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] openat(AT_FDCWD, "./6/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5844] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5844] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5844] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5844] close(4) = 0 [pid 5844] rmdir("./6/bus") = 0 [pid 5844] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5844] close(3) = 0 [pid 5884] <... mount resumed>) = 0 [pid 5884] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5844] rmdir("./6" [pid 5884] <... openat resumed>) = 3 [pid 5844] <... rmdir resumed>) = 0 [pid 5884] chdir("./bus" [pid 5844] mkdir("./7", 0777 [pid 5884] <... chdir resumed>) = 0 [pid 5884] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5844] <... mkdir resumed>) = 0 [pid 5884] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5844] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5844] ioctl(3, LOOP_CLR_FD) = 0 [pid 5844] close(3 [pid 5884] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5884] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5884] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 5884] read(4, [pid 5844] <... close resumed>) = 0 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5886 attached [pid 5886] set_robust_list(0x55557f708660, 24) = 0 [pid 5886] chdir("./7") = 0 [pid 5886] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5844] <... clone resumed>, child_tidptr=0x55557f708650) = 5886 [pid 5886] setpgid(0, 0) = 0 [pid 5886] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5886] write(3, "1000", 4) = 4 [pid 5886] close(3) = 0 [pid 5886] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5886] write(1, "executing program\n", 18) = 18 [pid 5886] memfd_create("syzkaller", 0) = 3 [pid 5886] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 [pid 5884] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5884] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5884] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 5884] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5886] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5884] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5884] exit_group(0) = ? [pid 5884] +++ exited with 0 +++ [pid 5845] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5884, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=14 /* 0.14 s */} --- [pid 5845] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5845] umount2("./6", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5845] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5845] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5845] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5845] umount2("./6/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5845] newfstatat(AT_FDCWD, "./6/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5845] unlink("./6/binderfs") = 0 [pid 5845] umount2("./6/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 5845] umount2("./6/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5845] newfstatat(AT_FDCWD, "./6/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5845] umount2("./6/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5845] openat(AT_FDCWD, "./6/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5845] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5845] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5845] getdents64(4, [pid 5886] <... write resumed>) = 2097152 [pid 5845] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5886] munmap(0x7f8e0a400000, 138412032 [pid 5845] close(4) = 0 [pid 5883] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5845] rmdir("./6/bus" [pid 5883] sched_setaffinity(0, 0, NULL [pid 5845] <... rmdir resumed>) = 0 [pid 5883] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5845] getdents64(3, [pid 5883] rename(NULL, NULL [pid 5845] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5883] <... rename resumed>) = -1 EFAULT (Bad address) [pid 5845] close(3) = 0 [pid 5883] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5845] rmdir("./6" [pid 5883] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5845] <... rmdir resumed>) = 0 [pid 5845] mkdir("./7", 0777 [pid 5883] exit_group(0 [pid 5845] <... mkdir resumed>) = 0 [pid 5883] <... exit_group resumed>) = ? [pid 5886] <... munmap resumed>) = 0 [pid 5882] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5845] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5845] ioctl(3, LOOP_CLR_FD) = 0 [pid 5845] close(3 [pid 5886] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5882] sched_setaffinity(0, 0, NULL [pid 5886] <... openat resumed>) = 4 [pid 5886] ioctl(4, LOOP_SET_FD, 3 [pid 5882] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5882] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 5882] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5883] +++ exited with 0 +++ [pid 5882] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5883, si_uid=0, si_status=0, si_utime=0, si_stime=24 /* 0.24 s */} --- [pid 5882] exit_group(0 [pid 5842] restart_syscall(<... resuming interrupted clone ...> [pid 5882] <... exit_group resumed>) = ? [pid 5842] <... restart_syscall resumed>) = 0 [pid 5842] umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5842] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5842] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5842] umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./5/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5845] <... close resumed>) = 0 [pid 5845] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557f708650) = 5887 ./strace-static-x86_64: Process 5887 attached [pid 5842] unlink("./5/binderfs" [pid 5882] +++ exited with 0 +++ [pid 5843] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5882, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 5886] <... ioctl resumed>) = 0 [pid 5843] restart_syscall(<... resuming interrupted clone ...> [pid 5842] <... unlink resumed>) = 0 [pid 5887] set_robust_list(0x55557f708660, 24 [pid 5843] <... restart_syscall resumed>) = 0 [pid 5842] umount2("./5/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5887] <... set_robust_list resumed>) = 0 [pid 5886] close(3 [pid 5887] chdir("./7" [pid 5886] <... close resumed>) = 0 [pid 5842] <... umount2 resumed>) = 0 [pid 5886] close(4) = 0 [pid 5886] mkdir("./bus", 0777) = 0 [pid 5843] umount2("./6", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5886] mount("/dev/loop2", "./bus", "ntfs3", 0, "" [pid 5887] <... chdir resumed>) = 0 [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] umount2("./5/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5887] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5843] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5887] <... prctl resumed>) = 0 [pid 5843] <... openat resumed>) = 3 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5887] setpgid(0, 0 [pid 5843] newfstatat(3, "", [pid 5842] newfstatat(AT_FDCWD, "./5/bus", [pid 5843] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] getdents64(3, [pid 5887] <... setpgid resumed>) = 0 [pid 5842] umount2("./5/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5887] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5843] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] umount2("./6/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] openat(AT_FDCWD, "./5/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5887] <... openat resumed>) = 3 [pid 5843] newfstatat(AT_FDCWD, "./6/binderfs", [pid 5842] <... openat resumed>) = 4 [pid 5843] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] newfstatat(4, "", [pid 5887] write(3, "1000", 4 [pid 5843] unlink("./6/binderfs" [pid 5887] <... write resumed>) = 4 [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5887] close(3 [pid 5843] <... unlink resumed>) = 0 [pid 5842] getdents64(4, [pid 5887] <... close resumed>) = 0 [pid 5843] umount2("./6/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5887] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5843] <... umount2 resumed>) = 0 [pid 5842] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [ 98.087309][ T5886] loop2: detected capacity change from 0 to 4096 executing program [pid 5887] write(1, "executing program\n", 18 [pid 5842] close(4 [pid 5887] <... write resumed>) = 18 [pid 5842] <... close resumed>) = 0 [pid 5887] memfd_create("syzkaller", 0 [pid 5842] rmdir("./5/bus") = 0 [pid 5842] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5842] close(3 [pid 5887] <... memfd_create resumed>) = 3 [pid 5843] umount2("./6/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] <... close resumed>) = 0 [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] rmdir("./5" [pid 5843] newfstatat(AT_FDCWD, "./6/bus", [pid 5842] <... rmdir resumed>) = 0 [pid 5887] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 [pid 5843] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] umount2("./6/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] mkdir("./6", 0777 [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] openat(AT_FDCWD, "./6/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5842] <... mkdir resumed>) = 0 [pid 5842] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5843] <... openat resumed>) = 4 [pid 5842] <... openat resumed>) = 3 [pid 5842] ioctl(3, LOOP_CLR_FD) = 0 [pid 5842] close(3 [pid 5885] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5843] newfstatat(4, "", [pid 5885] sched_setaffinity(0, 0, NULL [pid 5843] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5885] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5843] getdents64(4, [pid 5885] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 5843] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5885] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5843] getdents64(4, [pid 5885] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5843] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5885] exit_group(0 [pid 5843] close(4 [pid 5885] <... exit_group resumed>) = ? [pid 5843] <... close resumed>) = 0 [pid 5886] <... mount resumed>) = 0 [pid 5843] rmdir("./6/bus" [pid 5887] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5886] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5885] +++ exited with 0 +++ [pid 5843] <... rmdir resumed>) = 0 [pid 5886] <... openat resumed>) = 3 [pid 5843] getdents64(3, [pid 5886] chdir("./bus" [pid 5843] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5886] <... chdir resumed>) = 0 [pid 5843] close(3 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5885, si_uid=0, si_status=0, si_utime=0, si_stime=27 /* 0.27 s */} --- [pid 5843] <... close resumed>) = 0 [pid 5886] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5846] umount2("./6", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5843] rmdir("./6" [pid 5886] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5846] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5886] sched_setaffinity(0, 0, NULL [pid 5846] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5843] <... rmdir resumed>) = 0 [pid 5842] <... close resumed>) = 0 [pid 5846] <... openat resumed>) = 3 [pid 5843] mkdir("./7", 0777) = 0 [pid 5886] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5886] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5886] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 5843] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5886] read(4, [pid 5843] <... openat resumed>) = 3 [pid 5843] ioctl(3, LOOP_CLR_FD) = 0 [pid 5846] newfstatat(3, "", [pid 5843] close(3 [pid 5846] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5846] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5846] umount2("./6/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5846] newfstatat(AT_FDCWD, "./6/binderfs", [pid 5842] <... clone resumed>, child_tidptr=0x55557f708650) = 5888 [pid 5846] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 5888 attached [pid 5846] unlink("./6/binderfs" [pid 5888] set_robust_list(0x55557f708660, 24 [pid 5846] <... unlink resumed>) = 0 [pid 5846] umount2("./6/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5843] <... close resumed>) = 0 [pid 5888] <... set_robust_list resumed>) = 0 [pid 5888] chdir("./6") = 0 [pid 5888] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5888] setpgid(0, 0) = 0 [pid 5888] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5888] write(3, "1000", 4) = 4 [pid 5888] close(3 [pid 5846] <... umount2 resumed>) = 0 [pid 5888] <... close resumed>) = 0 [pid 5888] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5888] write(1, "executing program\n", 18) = 18 [pid 5888] memfd_create("syzkaller", 0 [pid 5846] umount2("./6/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5846] newfstatat(AT_FDCWD, "./6/bus", [pid 5888] <... memfd_create resumed>) = 3 [pid 5846] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5888] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 ./strace-static-x86_64: Process 5889 attached [pid 5846] umount2("./6/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5887] <... write resumed>) = 2097152 [pid 5846] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5889] set_robust_list(0x55557f708660, 24 [pid 5846] openat(AT_FDCWD, "./6/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5889] <... set_robust_list resumed>) = 0 [pid 5846] newfstatat(4, "", [pid 5887] munmap(0x7f8e0a400000, 138412032) = 0 [pid 5846] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5889] chdir("./7" [pid 5843] <... clone resumed>, child_tidptr=0x55557f708650) = 5889 [pid 5889] <... chdir resumed>) = 0 [pid 5889] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5846] getdents64(4, [pid 5889] setpgid(0, 0 [pid 5846] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5889] <... setpgid resumed>) = 0 [pid 5889] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5889] write(3, "1000", 4 [pid 5887] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5846] getdents64(4, [pid 5889] <... write resumed>) = 4 [pid 5889] close(3) = 0 [pid 5887] <... openat resumed>) = 4 [pid 5889] symlink("/dev/binderfs", "./binderfs" [pid 5887] ioctl(4, LOOP_SET_FD, 3 [pid 5889] <... symlink resumed>) = 0 [pid 5846] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5846] close(4) = 0 [pid 5846] rmdir("./6/bus") = 0 [pid 5889] write(1, "executing program\n", 18 [pid 5846] getdents64(3, executing program [pid 5889] <... write resumed>) = 18 [pid 5846] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5889] memfd_create("syzkaller", 0 [pid 5846] close(3 [pid 5887] <... ioctl resumed>) = 0 [pid 5846] <... close resumed>) = 0 [pid 5887] close(3 [pid 5846] rmdir("./6" [pid 5887] <... close resumed>) = 0 [pid 5887] close(4) = 0 [pid 5846] <... rmdir resumed>) = 0 [pid 5846] mkdir("./7", 0777 [pid 5889] <... memfd_create resumed>) = 3 [pid 5887] mkdir("./bus", 0777 [pid 5846] <... mkdir resumed>) = 0 [pid 5889] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5888] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5887] <... mkdir resumed>) = 0 [pid 5846] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5889] <... mmap resumed>) = 0x7f8e0a400000 [pid 5887] mount("/dev/loop3", "./bus", "ntfs3", 0, "" [pid 5846] <... openat resumed>) = 3 [pid 5846] ioctl(3, LOOP_CLR_FD) = 0 [ 98.346415][ T5887] loop3: detected capacity change from 0 to 4096 [pid 5846] close(3) = 0 [pid 5888] <... write resumed>) = 2097152 [pid 5888] munmap(0x7f8e0a400000, 138412032 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5890 attached [pid 5889] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5888] <... munmap resumed>) = 0 [pid 5846] <... clone resumed>, child_tidptr=0x55557f708650) = 5890 [pid 5890] set_robust_list(0x55557f708660, 24) = 0 [pid 5890] chdir("./7") = 0 [pid 5890] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5888] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5890] <... prctl resumed>) = 0 [pid 5888] ioctl(4, LOOP_SET_FD, 3 [pid 5890] setpgid(0, 0) = 0 [pid 5890] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5890] write(3, "1000", 4) = 4 [pid 5890] close(3) = 0 [pid 5890] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5890] write(1, "executing program\n", 18) = 18 [pid 5890] memfd_create("syzkaller", 0 [pid 5887] <... mount resumed>) = 0 [pid 5888] <... ioctl resumed>) = 0 [pid 5888] close(3) = 0 [pid 5890] <... memfd_create resumed>) = 3 [pid 5888] close(4 [pid 5890] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5888] <... close resumed>) = 0 [pid 5887] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5890] <... mmap resumed>) = 0x7f8e0a400000 [ 98.472401][ T5888] loop0: detected capacity change from 0 to 4096 [pid 5889] <... write resumed>) = 2097152 [pid 5888] mkdir("./bus", 0777 [pid 5887] <... openat resumed>) = 3 [pid 5888] <... mkdir resumed>) = 0 [pid 5889] munmap(0x7f8e0a400000, 138412032 [pid 5888] mount("/dev/loop0", "./bus", "ntfs3", 0, "" [pid 5887] chdir("./bus") = 0 [pid 5887] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5887] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5887] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5887] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 5887] read(4, [pid 5889] <... munmap resumed>) = 0 [pid 5889] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5889] ioctl(4, LOOP_SET_FD, 3 [pid 5888] <... mount resumed>) = 0 [pid 5888] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5890] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5889] <... ioctl resumed>) = 0 [pid 5888] <... openat resumed>) = 3 [pid 5888] chdir("./bus") = 0 [pid 5888] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5888] sched_setaffinity(0, 0, NULL [pid 5889] close(3 [pid 5888] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5889] <... close resumed>) = 0 [pid 5888] sched_setscheduler(0, SCHED_RR, NULL [pid 5889] close(4) = 0 [pid 5889] mkdir("./bus", 0777) = 0 [pid 5888] <... sched_setscheduler resumed>) = -1 EINVAL (Invalid argument) [pid 5886] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5888] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 5888] read(4, [pid 5889] mount("/dev/loop1", "./bus", "ntfs3", 0, "" [pid 5886] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [ 98.575204][ T5889] loop1: detected capacity change from 0 to 4096 [pid 5886] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 5886] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 5886] exit_group(0) = ? [pid 5886] +++ exited with 0 +++ [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5886, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=17 /* 0.17 s */} --- [pid 5844] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5844] umount2("./7", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5844] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5844] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5890] <... write resumed>) = 2097152 [pid 5844] umount2("./7/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] newfstatat(AT_FDCWD, "./7/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] unlink("./7/binderfs") = 0 [pid 5890] munmap(0x7f8e0a400000, 138412032 [pid 5844] umount2("./7/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5890] <... munmap resumed>) = 0 [pid 5844] <... umount2 resumed>) = 0 [pid 5844] umount2("./7/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] newfstatat(AT_FDCWD, "./7/bus", [pid 5890] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 5844] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] umount2("./7/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5890] ioctl(4, LOOP_SET_FD, 3 [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5844] openat(AT_FDCWD, "./7/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5844] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5844] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5844] getdents64(4, [pid 5889] <... mount resumed>) = 0 [pid 5844] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5844] close(4) = 0 [pid 5844] rmdir("./7/bus" [pid 5889] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5844] <... rmdir resumed>) = 0 [pid 5844] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5844] close(3) = 0 [pid 5844] rmdir("./7") = 0 [pid 5844] mkdir("./8", 0777 [pid 5890] <... ioctl resumed>) = 0 [pid 5889] <... openat resumed>) = 3 [pid 5890] close(3 [pid 5889] chdir("./bus" [pid 5844] <... mkdir resumed>) = 0 [pid 5890] <... close resumed>) = 0 [pid 5889] <... chdir resumed>) = 0 [pid 5890] close(4 [pid 5889] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5890] <... close resumed>) = 0 [pid 5844] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5890] mkdir("./bus", 0777 [pid 5889] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5844] <... openat resumed>) = 3 [pid 5844] ioctl(3, LOOP_CLR_FD [pid 5890] <... mkdir resumed>) = 0 [pid 5889] sched_setaffinity(0, 0, NULL [pid 5844] <... ioctl resumed>) = 0 [pid 5890] mount("/dev/loop4", "./bus", "ntfs3", 0, "" [pid 5889] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5889] sched_setscheduler(0, SCHED_RR, NULL [pid 5844] close(3 [pid 5889] <... sched_setscheduler resumed>) = -1 EINVAL (Invalid argument) [pid 5889] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [ 98.705305][ T5890] loop4: detected capacity change from 0 to 4096 [pid 5889] read(4, [pid 5844] <... close resumed>) = 0 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557f708650) = 5891 ./strace-static-x86_64: Process 5891 attached [pid 5891] set_robust_list(0x55557f708660, 24) = 0 [pid 5891] chdir("./8") = 0 [pid 5891] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5891] setpgid(0, 0) = 0 [pid 5891] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5891] write(3, "1000", 4) = 4 [pid 5891] close(3) = 0 [pid 5891] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5891] write(1, "executing program\n", 18) = 18 [pid 5891] memfd_create("syzkaller", 0 [pid 5887] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5891] <... memfd_create resumed>) = 3 [pid 5891] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5887] sched_setaffinity(0, 0, NULL [pid 5891] <... mmap resumed>) = 0x7f8e0a400000 [pid 5887] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5887] rename(NULL, NULL [pid 5890] <... mount resumed>) = 0 [pid 5887] <... rename resumed>) = -1 EFAULT (Bad address) [pid 5887] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5890] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5887] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5887] exit_group(0 [pid 5890] <... openat resumed>) = 3 [pid 5887] <... exit_group resumed>) = ? [pid 5890] chdir("./bus" [pid 5887] +++ exited with 0 +++ [pid 5890] <... chdir resumed>) = 0 [pid 5845] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5887, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 5890] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5845] umount2("./7", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5890] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5845] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5890] sched_setaffinity(0, 0, NULL [pid 5845] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5890] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5890] sched_setscheduler(0, SCHED_RR, NULL [pid 5888] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5845] <... openat resumed>) = 3 [pid 5890] <... sched_setscheduler resumed>) = -1 EINVAL (Invalid argument) [pid 5890] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5845] newfstatat(3, "", [pid 5890] <... openat resumed>) = 4 [pid 5888] sched_setaffinity(0, 0, NULL [pid 5845] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5890] read(4, [pid 5888] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5845] getdents64(3, [pid 5888] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 5845] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5888] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5845] umount2("./7/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5888] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5845] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5888] exit_group(0 [pid 5845] newfstatat(AT_FDCWD, "./7/binderfs", [pid 5888] <... exit_group resumed>) = ? [pid 5845] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5845] unlink("./7/binderfs") = 0 [pid 5845] umount2("./7/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5888] +++ exited with 0 +++ [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5888, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=19 /* 0.19 s */} --- [pid 5842] umount2("./6", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5891] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5845] <... umount2 resumed>) = 0 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5845] umount2("./7/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5845] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5845] newfstatat(AT_FDCWD, "./7/bus", [pid 5842] <... openat resumed>) = 3 [pid 5845] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] newfstatat(3, "", [pid 5845] umount2("./7/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5845] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] getdents64(3, [pid 5845] openat(AT_FDCWD, "./7/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5842] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5845] newfstatat(4, "", [pid 5842] umount2("./6/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5845] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5845] getdents64(4, [pid 5842] newfstatat(AT_FDCWD, "./6/binderfs", [pid 5845] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5845] getdents64(4, [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5845] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5842] unlink("./6/binderfs" [pid 5845] close(4) = 0 [pid 5842] <... unlink resumed>) = 0 [pid 5845] rmdir("./7/bus") = 0 [pid 5845] getdents64(3, [pid 5842] umount2("./6/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5845] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5845] close(3 [pid 5842] <... umount2 resumed>) = 0 [pid 5845] <... close resumed>) = 0 [pid 5845] rmdir("./7") = 0 [pid 5845] mkdir("./8", 0777 [pid 5842] umount2("./6/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5845] <... mkdir resumed>) = 0 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5845] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5842] newfstatat(AT_FDCWD, "./6/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5845] <... openat resumed>) = 3 [pid 5845] ioctl(3, LOOP_CLR_FD [pid 5842] umount2("./6/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5889] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5845] <... ioctl resumed>) = 0 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5889] sched_setaffinity(0, 0, NULL [pid 5845] close(3 [pid 5842] openat(AT_FDCWD, "./6/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5889] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5842] <... openat resumed>) = 4 [pid 5889] rename(NULL, NULL [pid 5842] newfstatat(4, "", [pid 5889] <... rename resumed>) = -1 EFAULT (Bad address) [pid 5889] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5889] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5842] getdents64(4, [pid 5889] exit_group(0 [pid 5842] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5842] getdents64(4, [pid 5889] <... exit_group resumed>) = ? [pid 5842] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5889] +++ exited with 0 +++ [pid 5842] close(4) = 0 [pid 5843] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5889, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 5842] rmdir("./6/bus" [pid 5843] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5843] umount2("./7", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] <... rmdir resumed>) = 0 [pid 5843] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5843] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5891] <... write resumed>) = 2097152 [pid 5843] getdents64(3, [pid 5842] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5843] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5843] umount2("./7/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5891] munmap(0x7f8e0a400000, 138412032 [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] close(3 [pid 5843] newfstatat(AT_FDCWD, "./7/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] unlink("./7/binderfs") = 0 [pid 5842] <... close resumed>) = 0 [pid 5843] umount2("./7/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5845] <... close resumed>) = 0 [pid 5842] rmdir("./6" [pid 5891] <... munmap resumed>) = 0 [pid 5891] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5843] <... umount2 resumed>) = 0 [pid 5842] <... rmdir resumed>) = 0 [pid 5891] <... openat resumed>) = 4 [pid 5843] umount2("./7/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5891] ioctl(4, LOOP_SET_FD, 3 [pid 5845] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5842] mkdir("./7", 0777 [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] newfstatat(AT_FDCWD, "./7/bus", [pid 5842] <... mkdir resumed>) = 0 [pid 5843] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] umount2("./7/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5843] openat(AT_FDCWD, "./7/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5843] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5842] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5843] getdents64(4, [pid 5842] <... openat resumed>) = 3 [pid 5842] ioctl(3, LOOP_CLR_FD [pid 5843] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5842] <... ioctl resumed>) = 0 [pid 5843] getdents64(4, [pid 5842] close(3 [pid 5843] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5843] close(4) = 0 [pid 5843] rmdir("./7/bus" [pid 5845] <... clone resumed>, child_tidptr=0x55557f708650) = 5892 [pid 5843] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 5892 attached [pid 5843] getdents64(3, [pid 5891] <... ioctl resumed>) = 0 [pid 5843] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5891] close(3) = 0 [pid 5843] close(3 [pid 5891] close(4 [pid 5843] <... close resumed>) = 0 [pid 5891] <... close resumed>) = 0 [pid 5891] mkdir("./bus", 0777 [pid 5843] rmdir("./7" [pid 5891] <... mkdir resumed>) = 0 [pid 5843] <... rmdir resumed>) = 0 [pid 5892] set_robust_list(0x55557f708660, 24) = 0 [pid 5892] chdir("./8" [pid 5843] mkdir("./8", 0777) = 0 [pid 5891] mount("/dev/loop2", "./bus", "ntfs3", 0, "" [pid 5892] <... chdir resumed>) = 0 [pid 5892] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5892] setpgid(0, 0) = 0 [pid 5892] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5843] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5843] ioctl(3, LOOP_CLR_FD) = 0 [pid 5892] <... openat resumed>) = 3 [pid 5843] close(3executing program [pid 5892] write(3, "1000", 4) = 4 [pid 5892] close(3) = 0 [pid 5892] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5892] write(1, "executing program\n", 18) = 18 [ 99.034769][ T5891] loop2: detected capacity change from 0 to 4096 [pid 5892] memfd_create("syzkaller", 0 [pid 5890] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5843] <... close resumed>) = 0 [pid 5842] <... close resumed>) = 0 [pid 5892] <... memfd_create resumed>) = 3 [pid 5843] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5892] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 ./strace-static-x86_64: Process 5893 attached ./strace-static-x86_64: Process 5894 attached [pid 5893] set_robust_list(0x55557f708660, 24 [pid 5843] <... clone resumed>, child_tidptr=0x55557f708650) = 5893 [pid 5842] <... clone resumed>, child_tidptr=0x55557f708650) = 5894 [pid 5893] <... set_robust_list resumed>) = 0 [pid 5894] set_robust_list(0x55557f708660, 24 [pid 5893] chdir("./8" [pid 5890] sched_setaffinity(0, 0, NULL [pid 5893] <... chdir resumed>) = 0 [pid 5893] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5894] <... set_robust_list resumed>) = 0 [pid 5893] <... prctl resumed>) = 0 [pid 5890] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) executing program [pid 5894] chdir("./7" [pid 5893] setpgid(0, 0 [pid 5890] rename(NULL, NULL [pid 5894] <... chdir resumed>) = 0 [pid 5890] <... rename resumed>) = -1 EFAULT (Bad address) [pid 5893] <... setpgid resumed>) = 0 [pid 5890] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5894] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5894] setpgid(0, 0 [pid 5893] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5890] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5894] <... setpgid resumed>) = 0 [pid 5890] exit_group(0 [pid 5894] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5893] <... openat resumed>) = 3 [pid 5894] <... openat resumed>) = 3 [pid 5890] <... exit_group resumed>) = ? [pid 5894] write(3, "1000", 4) = 4 [pid 5894] close(3) = 0 [pid 5894] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5894] write(1, "executing program\n", 18) = 18 [pid 5894] memfd_create("syzkaller", 0) = 3 [pid 5890] +++ exited with 0 +++ [pid 5894] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 [pid 5893] write(3, "1000", 4 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5890, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=13 /* 0.13 s */} --- [pid 5893] <... write resumed>) = 4 [pid 5846] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5846] umount2("./7", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5893] close(3) = 0 executing program [pid 5892] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5846] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5893] symlink("/dev/binderfs", "./binderfs" [pid 5846] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5893] <... symlink resumed>) = 0 [pid 5846] <... openat resumed>) = 3 [pid 5893] write(1, "executing program\n", 18 [pid 5846] newfstatat(3, "", [pid 5893] <... write resumed>) = 18 [pid 5893] memfd_create("syzkaller", 0 [pid 5846] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5846] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5846] umount2("./7/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5893] <... memfd_create resumed>) = 3 [pid 5846] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5893] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5846] newfstatat(AT_FDCWD, "./7/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5893] <... mmap resumed>) = 0x7f8e0a400000 [pid 5846] unlink("./7/binderfs" [pid 5891] <... mount resumed>) = 0 [pid 5891] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5891] chdir("./bus") = 0 [pid 5891] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5891] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5891] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5891] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5846] <... unlink resumed>) = 0 [pid 5891] <... openat resumed>) = 4 [pid 5846] umount2("./7/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5891] read(4, [pid 5894] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5893] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5892] <... write resumed>) = 2097152 [pid 5846] <... umount2 resumed>) = 0 [pid 5846] umount2("./7/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5892] munmap(0x7f8e0a400000, 138412032 [pid 5846] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5846] newfstatat(AT_FDCWD, "./7/bus", [pid 5892] <... munmap resumed>) = 0 [pid 5846] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5846] umount2("./7/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5892] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5846] openat(AT_FDCWD, "./7/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5892] <... openat resumed>) = 4 [pid 5846] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5846] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5892] ioctl(4, LOOP_SET_FD, 3 [pid 5846] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5846] close(4) = 0 [pid 5846] rmdir("./7/bus") = 0 [pid 5846] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5846] close(3) = 0 [pid 5846] rmdir("./7") = 0 [pid 5846] mkdir("./8", 0777) = 0 [pid 5846] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5892] <... ioctl resumed>) = 0 [pid 5892] close(3) = 0 [pid 5846] <... openat resumed>) = 3 [pid 5892] close(4) = 0 [pid 5892] mkdir("./bus", 0777 [pid 5846] ioctl(3, LOOP_CLR_FD) = 0 [pid 5846] close(3 [pid 5892] <... mkdir resumed>) = 0 [pid 5894] <... write resumed>) = 2097152 [pid 5893] <... write resumed>) = 2097152 [pid 5892] mount("/dev/loop3", "./bus", "ntfs3", 0, "" [pid 5893] munmap(0x7f8e0a400000, 138412032 [ 99.297393][ T5892] loop3: detected capacity change from 0 to 4096 [pid 5894] munmap(0x7f8e0a400000, 138412032) = 0 [pid 5893] <... munmap resumed>) = 0 [pid 5894] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5893] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5894] <... openat resumed>) = 4 [pid 5893] <... openat resumed>) = 4 [pid 5846] <... close resumed>) = 0 [pid 5894] ioctl(4, LOOP_SET_FD, 3 [pid 5893] ioctl(4, LOOP_SET_FD, 3 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5892] <... mount resumed>) = 0 [pid 5892] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY./strace-static-x86_64: Process 5895 attached [pid 5894] <... ioctl resumed>) = 0 [pid 5893] <... ioctl resumed>) = 0 [pid 5895] set_robust_list(0x55557f708660, 24 [pid 5894] close(3 [pid 5893] close(3 [pid 5892] <... openat resumed>) = 3 [pid 5846] <... clone resumed>, child_tidptr=0x55557f708650) = 5895 [pid 5895] <... set_robust_list resumed>) = 0 [pid 5894] <... close resumed>) = 0 [pid 5893] <... close resumed>) = 0 [pid 5894] close(4 [pid 5893] close(4 [pid 5895] chdir("./8" [pid 5894] <... close resumed>) = 0 [pid 5893] <... close resumed>) = 0 [pid 5892] chdir("./bus" [pid 5895] <... chdir resumed>) = 0 [pid 5894] mkdir("./bus", 0777 [pid 5893] mkdir("./bus", 0777 [pid 5892] <... chdir resumed>) = 0 [pid 5892] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5893] <... mkdir resumed>) = 0 [pid 5892] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5892] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5892] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5895] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5894] <... mkdir resumed>) = 0 [pid 5893] mount("/dev/loop1", "./bus", "ntfs3", 0, "" [pid 5892] <... openat resumed>) = 4 [pid 5892] read(4, [pid 5895] <... prctl resumed>) = 0 [pid 5894] mount("/dev/loop0", "./bus", "ntfs3", 0, "" [pid 5895] setpgid(0, 0) = 0 [pid 5895] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5895] write(3, "1000", 4) = 4 [pid 5895] close(3) = 0 [ 99.387398][ T5893] loop1: detected capacity change from 0 to 4096 [ 99.395040][ T5894] loop0: detected capacity change from 0 to 4096 [pid 5895] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5895] write(1, "executing program\n", 18) = 18 [pid 5895] memfd_create("syzkaller", 0) = 3 [pid 5895] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 [pid 5894] <... mount resumed>) = 0 [pid 5894] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5894] chdir("./bus") = 0 [pid 5894] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5894] sched_setaffinity(0, 0, NULL [pid 5893] <... mount resumed>) = 0 [pid 5893] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5894] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5893] <... openat resumed>) = 3 [pid 5894] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5893] chdir("./bus" [pid 5894] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 5894] read(4, [pid 5893] <... chdir resumed>) = 0 [pid 5893] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5893] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5893] sched_setscheduler(0, SCHED_RR, NULL [pid 5891] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5893] <... sched_setscheduler resumed>) = -1 EINVAL (Invalid argument) [pid 5893] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5895] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5893] <... openat resumed>) = 4 [pid 5891] sched_setaffinity(0, 0, NULL [pid 5893] read(4, [pid 5891] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5891] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 5891] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 5891] exit_group(0) = ? [pid 5891] +++ exited with 0 +++ [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5891, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 5844] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5844] umount2("./8", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5844] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5844] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5844] umount2("./8/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] newfstatat(AT_FDCWD, "./8/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] unlink("./8/binderfs") = 0 [pid 5895] <... write resumed>) = 2097152 [pid 5844] umount2("./8/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 5895] munmap(0x7f8e0a400000, 138412032 [pid 5844] umount2("./8/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] newfstatat(AT_FDCWD, "./8/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] umount2("./8/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] openat(AT_FDCWD, "./8/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5844] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5844] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5844] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5895] <... munmap resumed>) = 0 [pid 5895] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 5895] ioctl(4, LOOP_SET_FD, 3 [pid 5844] close(4 [pid 5895] <... ioctl resumed>) = 0 [pid 5895] close(3 [pid 5844] <... close resumed>) = 0 [pid 5895] <... close resumed>) = 0 [pid 5844] rmdir("./8/bus" [pid 5895] close(4 [pid 5844] <... rmdir resumed>) = 0 [pid 5895] <... close resumed>) = 0 [pid 5844] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5895] mkdir("./bus", 0777 [pid 5844] close(3) = 0 [pid 5844] rmdir("./8") = 0 [pid 5895] <... mkdir resumed>) = 0 [pid 5844] mkdir("./9", 0777) = 0 [pid 5895] mount("/dev/loop4", "./bus", "ntfs3", 0, "" [pid 5844] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5844] ioctl(3, LOOP_CLR_FD) = 0 [ 99.748774][ T5895] loop4: detected capacity change from 0 to 4096 [pid 5844] close(3) = 0 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5896 attached [pid 5894] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5894] sched_setaffinity(0, 0, NULL [pid 5896] set_robust_list(0x55557f708660, 24) = 0 [pid 5894] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5844] <... clone resumed>, child_tidptr=0x55557f708650) = 5896 [pid 5896] chdir("./9" [pid 5894] rename(NULL, NULL [pid 5896] <... chdir resumed>) = 0 [pid 5894] <... rename resumed>) = -1 EFAULT (Bad address) [pid 5896] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5894] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5896] <... prctl resumed>) = 0 [pid 5894] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5896] setpgid(0, 0 [pid 5894] exit_group(0 [pid 5896] <... setpgid resumed>) = 0 [pid 5894] <... exit_group resumed>) = ? [pid 5896] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5895] <... mount resumed>) = 0 [pid 5895] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5895] chdir("./bus") = 0 [pid 5895] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5896] <... openat resumed>) = 3 [pid 5895] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5896] write(3, "1000", 4 [pid 5895] sched_setaffinity(0, 0, NULL [pid 5896] <... write resumed>) = 4 [pid 5896] close(3 [pid 5894] +++ exited with 0 +++ [pid 5896] <... close resumed>) = 0 [pid 5896] symlink("/dev/binderfs", "./binderfs" [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5894, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 5842] restart_syscall(<... resuming interrupted clone ...> [pid 5895] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5896] <... symlink resumed>) = 0 [pid 5895] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5895] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 5896] write(1, "executing program\n", 18 [pid 5895] read(4, executing program [pid 5896] <... write resumed>) = 18 [pid 5842] <... restart_syscall resumed>) = 0 [pid 5842] umount2("./7", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5842] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5842] getdents64(3, [pid 5896] memfd_create("syzkaller", 0 [pid 5842] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5842] umount2("./7/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./7/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] unlink("./7/binderfs") = 0 [pid 5842] umount2("./7/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5896] <... memfd_create resumed>) = 3 [pid 5896] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 [pid 5842] <... umount2 resumed>) = 0 [pid 5842] umount2("./7/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./7/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] umount2("./7/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] openat(AT_FDCWD, "./7/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5842] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5842] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5842] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5842] close(4) = 0 [pid 5842] rmdir("./7/bus") = 0 [pid 5842] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5842] close(3) = 0 [pid 5842] rmdir("./7") = 0 [pid 5842] mkdir("./8", 0777) = 0 [pid 5842] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5842] ioctl(3, LOOP_CLR_FD) = 0 [pid 5842] close(3 [pid 5896] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5842] <... close resumed>) = 0 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5897 attached , child_tidptr=0x55557f708650) = 5897 [pid 5897] set_robust_list(0x55557f708660, 24) = 0 [pid 5897] chdir("./8") = 0 [pid 5897] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5897] setpgid(0, 0) = 0 [pid 5897] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5893] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5893] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5896] <... write resumed>) = 2097152 [pid 5897] <... openat resumed>) = 3 [pid 5893] rename(NULL, NULL [pid 5897] write(3, "1000", 4 [pid 5893] <... rename resumed>) = -1 EFAULT (Bad address) [pid 5893] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 5896] munmap(0x7f8e0a400000, 138412032 [pid 5897] <... write resumed>) = 4 [pid 5893] exit_group(0 [pid 5897] close(3) = 0 [pid 5897] symlink("/dev/binderfs", "./binderfs" [pid 5893] <... exit_group resumed>) = ? [pid 5897] <... symlink resumed>) = 0 [pid 5896] <... munmap resumed>) = 0 executing program [pid 5897] write(1, "executing program\n", 18) = 18 [pid 5896] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5897] memfd_create("syzkaller", 0 [pid 5893] +++ exited with 0 +++ [pid 5843] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5893, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 5897] <... memfd_create resumed>) = 3 [pid 5896] <... openat resumed>) = 4 [pid 5896] ioctl(4, LOOP_SET_FD, 3 [pid 5897] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5896] <... ioctl resumed>) = 0 [pid 5897] <... mmap resumed>) = 0x7f8e0a400000 [pid 5896] close(3) = 0 [pid 5896] close(4) = 0 [pid 5896] mkdir("./bus", 0777) = 0 [pid 5896] mount("/dev/loop2", "./bus", "ntfs3", 0, "" [pid 5843] umount2("./8", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5843] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5843] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5843] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5843] umount2("./8/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5843] newfstatat(AT_FDCWD, "./8/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] unlink("./8/binderfs") = 0 [pid 5843] umount2("./8/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 5843] umount2("./8/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5843] newfstatat(AT_FDCWD, "./8/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 100.227556][ T5896] loop2: detected capacity change from 0 to 4096 [pid 5843] umount2("./8/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5843] openat(AT_FDCWD, "./8/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5843] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5843] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5843] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5843] close(4) = 0 [pid 5843] rmdir("./8/bus") = 0 [pid 5843] getdents64(3, [pid 5895] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5843] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5895] sched_setaffinity(0, 0, NULL [pid 5897] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5892] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5843] close(3 [pid 5895] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5892] sched_setaffinity(0, 0, NULL [pid 5843] <... close resumed>) = 0 [pid 5892] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5843] rmdir("./8" [pid 5892] rename(NULL, NULL [pid 5895] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 5895] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5892] <... rename resumed>) = -1 EFAULT (Bad address) [pid 5843] <... rmdir resumed>) = 0 [pid 5892] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5896] <... mount resumed>) = 0 [pid 5892] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5896] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5892] exit_group(0 [pid 5896] chdir("./bus") = 0 [pid 5896] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5896] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5895] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5895] exit_group(0) = ? [pid 5896] sched_setscheduler(0, SCHED_RR, NULL [pid 5895] +++ exited with 0 +++ [pid 5843] mkdir("./9", 0777 [pid 5892] <... exit_group resumed>) = ? [pid 5896] <... sched_setscheduler resumed>) = -1 EINVAL (Invalid argument) [pid 5896] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5895, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 5896] <... openat resumed>) = 4 [pid 5846] restart_syscall(<... resuming interrupted clone ...> [pid 5896] read(4, [pid 5846] <... restart_syscall resumed>) = 0 [pid 5846] umount2("./8", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5846] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5846] newfstatat(3, "", [pid 5892] +++ exited with 0 +++ [pid 5846] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5846] getdents64(3, [pid 5845] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5892, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 5846] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5846] umount2("./8/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5846] newfstatat(AT_FDCWD, "./8/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5846] unlink("./8/binderfs") = 0 [pid 5845] umount2("./8", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5843] <... mkdir resumed>) = 0 [pid 5846] umount2("./8/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5845] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5846] <... umount2 resumed>) = 0 [pid 5845] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5843] <... openat resumed>) = 3 [pid 5843] ioctl(3, LOOP_CLR_FD [pid 5845] <... openat resumed>) = 3 [pid 5843] <... ioctl resumed>) = 0 [pid 5845] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5843] close(3 [pid 5845] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5845] umount2("./8/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5845] newfstatat(AT_FDCWD, "./8/binderfs", [pid 5846] umount2("./8/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5845] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5846] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5845] unlink("./8/binderfs" [pid 5897] <... write resumed>) = 2097152 [pid 5846] newfstatat(AT_FDCWD, "./8/bus", [pid 5845] <... unlink resumed>) = 0 [pid 5846] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5845] umount2("./8/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5846] umount2("./8/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5845] <... umount2 resumed>) = 0 [pid 5846] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5897] munmap(0x7f8e0a400000, 138412032 [pid 5846] openat(AT_FDCWD, "./8/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5845] umount2("./8/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5843] <... close resumed>) = 0 [pid 5897] <... munmap resumed>) = 0 [pid 5846] <... openat resumed>) = 4 [pid 5845] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5846] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5846] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5846] getdents64(4, [pid 5845] newfstatat(AT_FDCWD, "./8/bus", [pid 5846] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5845] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5846] close(4 [pid 5843] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5898 attached [pid 5846] <... close resumed>) = 0 [pid 5845] umount2("./8/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5846] rmdir("./8/bus" [pid 5845] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] <... clone resumed>, child_tidptr=0x55557f708650) = 5898 [pid 5846] <... rmdir resumed>) = 0 [pid 5845] openat(AT_FDCWD, "./8/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5846] getdents64(3, [pid 5845] newfstatat(4, "", [pid 5846] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5845] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5898] set_robust_list(0x55557f708660, 24 [pid 5846] close(3 [pid 5845] getdents64(4, [pid 5898] <... set_robust_list resumed>) = 0 [pid 5846] <... close resumed>) = 0 [pid 5845] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5898] chdir("./9" [pid 5846] rmdir("./8" [pid 5845] getdents64(4, [pid 5898] <... chdir resumed>) = 0 [pid 5897] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5846] <... rmdir resumed>) = 0 [pid 5845] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5898] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5897] <... openat resumed>) = 4 [pid 5846] mkdir("./9", 0777 [pid 5845] close(4 [pid 5897] ioctl(4, LOOP_SET_FD, 3 [pid 5846] <... mkdir resumed>) = 0 [pid 5845] <... close resumed>) = 0 [pid 5898] <... prctl resumed>) = 0 [pid 5898] setpgid(0, 0) = 0 [pid 5898] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5898] write(3, "1000", 4 [pid 5845] rmdir("./8/bus") = 0 [pid 5845] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5845] close(3 [pid 5846] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5845] <... close resumed>) = 0 [pid 5846] <... openat resumed>) = 3 [pid 5845] rmdir("./8" [pid 5846] ioctl(3, LOOP_CLR_FD [pid 5845] <... rmdir resumed>) = 0 [pid 5846] <... ioctl resumed>) = 0 [pid 5845] mkdir("./9", 0777 [pid 5898] <... write resumed>) = 4 [pid 5846] close(3 [pid 5845] <... mkdir resumed>) = 0 [pid 5898] close(3 [pid 5845] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5898] <... close resumed>) = 0 [pid 5898] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5897] <... ioctl resumed>) = 0 [pid 5845] <... openat resumed>) = 3 executing program [pid 5897] close(3 [pid 5845] ioctl(3, LOOP_CLR_FD [pid 5897] <... close resumed>) = 0 [pid 5897] close(4 [pid 5845] <... ioctl resumed>) = 0 [pid 5897] <... close resumed>) = 0 [pid 5845] close(3 [pid 5897] mkdir("./bus", 0777 [pid 5898] write(1, "executing program\n", 18) = 18 [pid 5898] memfd_create("syzkaller", 0 [pid 5897] <... mkdir resumed>) = 0 [pid 5898] <... memfd_create resumed>) = 3 [pid 5898] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 [ 100.422035][ T5897] loop0: detected capacity change from 0 to 4096 [pid 5897] mount("/dev/loop0", "./bus", "ntfs3", 0, "" [pid 5846] <... close resumed>) = 0 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5899 attached , child_tidptr=0x55557f708650) = 5899 [pid 5899] set_robust_list(0x55557f708660, 24) = 0 [pid 5899] chdir("./9") = 0 [pid 5899] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5899] setpgid(0, 0) = 0 [pid 5899] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5899] write(3, "1000", 4) = 4 [pid 5899] close(3 [pid 5896] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5899] <... close resumed>) = 0 [pid 5899] symlink("/dev/binderfs", "./binderfs" [pid 5896] sched_setaffinity(0, 0, NULLexecuting program [pid 5899] <... symlink resumed>) = 0 [pid 5898] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5899] write(1, "executing program\n", 18) = 18 [pid 5896] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5896] rename(NULL, NULL [pid 5899] memfd_create("syzkaller", 0 [pid 5896] <... rename resumed>) = -1 EFAULT (Bad address) [pid 5845] <... close resumed>) = 0 [pid 5845] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5896] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 5896] exit_group(0./strace-static-x86_64: Process 5900 attached ) = ? [pid 5899] <... memfd_create resumed>) = 3 [pid 5900] set_robust_list(0x55557f708660, 24 [pid 5899] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5896] +++ exited with 0 +++ [pid 5899] <... mmap resumed>) = 0x7f8e0a400000 [pid 5845] <... clone resumed>, child_tidptr=0x55557f708650) = 5900 [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5896, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=10 /* 0.10 s */} --- [pid 5900] <... set_robust_list resumed>) = 0 [pid 5844] restart_syscall(<... resuming interrupted clone ...> [pid 5900] chdir("./9" [pid 5844] <... restart_syscall resumed>) = 0 [pid 5844] umount2("./9", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5844] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5844] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5844] umount2("./9/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] newfstatat(AT_FDCWD, "./9/binderfs", [pid 5900] <... chdir resumed>) = 0 [pid 5844] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5900] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5897] <... mount resumed>) = 0 [pid 5844] unlink("./9/binderfs" [pid 5900] setpgid(0, 0 [pid 5897] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5844] <... unlink resumed>) = 0 [pid 5897] chdir("./bus" [pid 5900] <... setpgid resumed>) = 0 [pid 5844] umount2("./9/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5900] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5897] <... chdir resumed>) = 0 [pid 5844] <... umount2 resumed>) = 0 [pid 5900] <... openat resumed>) = 3 [pid 5897] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5900] write(3, "1000", 4 [pid 5897] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5844] umount2("./9/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5900] <... write resumed>) = 4 [pid 5897] sched_setaffinity(0, 0, NULL [pid 5900] close(3) = 0 [pid 5897] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5844] newfstatat(AT_FDCWD, "./9/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5900] symlink("/dev/binderfs", "./binderfs" [pid 5897] sched_setscheduler(0, SCHED_RR, NULL [pid 5844] umount2("./9/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] openat(AT_FDCWD, "./9/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYexecuting program [pid 5900] <... symlink resumed>) = 0 [pid 5899] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5897] <... sched_setscheduler resumed>) = -1 EINVAL (Invalid argument) [pid 5844] <... openat resumed>) = 4 [pid 5900] write(1, "executing program\n", 18 [pid 5897] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5900] <... write resumed>) = 18 [pid 5900] memfd_create("syzkaller", 0 [pid 5898] <... write resumed>) = 2097152 [pid 5897] <... openat resumed>) = 4 [pid 5844] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5844] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5844] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5844] close(4) = 0 [pid 5897] read(4, [pid 5844] rmdir("./9/bus") = 0 [pid 5844] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5844] close(3) = 0 [pid 5844] rmdir("./9") = 0 [pid 5844] mkdir("./10", 0777) = 0 [pid 5900] <... memfd_create resumed>) = 3 [pid 5844] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5900] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5844] ioctl(3, LOOP_CLR_FD [pid 5900] <... mmap resumed>) = 0x7f8e0a400000 [pid 5844] <... ioctl resumed>) = 0 [pid 5844] close(3 [pid 5898] munmap(0x7f8e0a400000, 138412032) = 0 [pid 5898] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5899] <... write resumed>) = 2097152 [pid 5899] munmap(0x7f8e0a400000, 138412032 [pid 5898] ioctl(4, LOOP_SET_FD, 3 [pid 5900] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5899] <... munmap resumed>) = 0 [pid 5844] <... close resumed>) = 0 [pid 5899] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 5898] <... ioctl resumed>) = 0 [pid 5898] close(3) = 0 [pid 5899] ioctl(4, LOOP_SET_FD, 3 [pid 5898] close(4) = 0 [pid 5898] mkdir("./bus", 0777) = 0 [pid 5898] mount("/dev/loop1", "./bus", "ntfs3", 0, "" [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5901 attached [pid 5901] set_robust_list(0x55557f708660, 24 [pid 5844] <... clone resumed>, child_tidptr=0x55557f708650) = 5901 [pid 5901] <... set_robust_list resumed>) = 0 [pid 5901] chdir("./10"executing program ) = 0 [pid 5901] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5901] setpgid(0, 0) = 0 [pid 5901] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5901] write(3, "1000", 4) = 4 [pid 5901] close(3) = 0 [pid 5901] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5901] write(1, "executing program\n", 18) = 18 [pid 5901] memfd_create("syzkaller", 0 [pid 5899] <... ioctl resumed>) = 0 [pid 5901] <... memfd_create resumed>) = 3 [pid 5899] close(3 [pid 5901] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5899] <... close resumed>) = 0 [pid 5901] <... mmap resumed>) = 0x7f8e0a400000 [pid 5899] close(4) = 0 [pid 5899] mkdir("./bus", 0777) = 0 [ 100.677858][ T5898] loop1: detected capacity change from 0 to 4096 [ 100.701992][ T5899] loop4: detected capacity change from 0 to 4096 [pid 5899] mount("/dev/loop4", "./bus", "ntfs3", 0, "" [pid 5900] <... write resumed>) = 2097152 [pid 5898] <... mount resumed>) = 0 [pid 5898] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5901] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5900] munmap(0x7f8e0a400000, 138412032 [pid 5898] chdir("./bus") = 0 [pid 5900] <... munmap resumed>) = 0 [pid 5899] <... mount resumed>) = 0 [pid 5899] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5898] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5899] <... openat resumed>) = 3 [pid 5898] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5899] chdir("./bus" [pid 5898] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5900] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5899] <... chdir resumed>) = 0 [pid 5900] <... openat resumed>) = 4 [pid 5899] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5898] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5899] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5898] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5900] ioctl(4, LOOP_SET_FD, 3 [pid 5898] <... openat resumed>) = 4 [pid 5900] <... ioctl resumed>) = 0 [pid 5899] sched_setaffinity(0, 0, NULL [pid 5898] read(4, [pid 5899] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5899] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5899] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 5901] <... write resumed>) = 2097152 [pid 5899] read(4, [pid 5900] close(3) = 0 [pid 5900] close(4) = 0 [pid 5900] mkdir("./bus", 0777) = 0 [pid 5900] mount("/dev/loop3", "./bus", "ntfs3", 0, "" [ 100.869407][ T5900] loop3: detected capacity change from 0 to 4096 [pid 5901] munmap(0x7f8e0a400000, 138412032) = 0 [pid 5901] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 5901] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5901] close(3) = 0 [pid 5901] close(4) = 0 [pid 5901] mkdir("./bus", 0777) = 0 [pid 5900] <... mount resumed>) = 0 [pid 5901] mount("/dev/loop2", "./bus", "ntfs3", 0, "" [pid 5900] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [ 100.943680][ T5901] loop2: detected capacity change from 0 to 4096 [pid 5900] chdir("./bus") = 0 [pid 5900] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5900] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5900] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5900] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 5900] read(4, [pid 5901] <... mount resumed>) = 0 [pid 5901] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5901] chdir("./bus") = 0 [pid 5901] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5901] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5901] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5901] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 5901] read(4, [pid 5897] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5897] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5897] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 5897] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 5897] exit_group(0) = ? [pid 5899] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5897] +++ exited with 0 +++ [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5897, si_uid=0, si_status=0, si_utime=0, si_stime=28 /* 0.28 s */} --- [pid 5842] umount2("./8", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5899] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5842] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5899] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 5842] umount2("./8/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5899] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5898] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5899] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5898] sched_setaffinity(0, 0, NULL [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5899] exit_group(0 [pid 5898] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5899] <... exit_group resumed>) = ? [pid 5842] newfstatat(AT_FDCWD, "./8/binderfs", [pid 5899] +++ exited with 0 +++ [pid 5898] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5899, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5898] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5842] unlink("./8/binderfs" [pid 5898] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5846] restart_syscall(<... resuming interrupted clone ...> [pid 5898] exit_group(0 [pid 5846] <... restart_syscall resumed>) = 0 [pid 5898] <... exit_group resumed>) = ? [pid 5842] <... unlink resumed>) = 0 [pid 5842] umount2("./8/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5898] +++ exited with 0 +++ [pid 5842] <... umount2 resumed>) = 0 [pid 5846] umount2("./9", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] umount2("./8/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5846] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5846] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5842] newfstatat(AT_FDCWD, "./8/bus", [pid 5846] <... openat resumed>) = 3 [pid 5843] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5898, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=19 /* 0.19 s */} --- [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5846] newfstatat(3, "", [pid 5843] umount2("./9", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] umount2("./8/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5846] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5846] getdents64(3, [pid 5842] openat(AT_FDCWD, "./8/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5846] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5843] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5842] <... openat resumed>) = 4 [pid 5846] umount2("./9/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5843] <... openat resumed>) = 3 [pid 5842] newfstatat(4, "", [pid 5846] newfstatat(AT_FDCWD, "./9/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] newfstatat(3, "", [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5846] unlink("./9/binderfs") = 0 [pid 5843] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5842] getdents64(4, [pid 5901] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5846] umount2("./9/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5901] sched_setaffinity(0, 0, NULL [pid 5842] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5901] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5901] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 5843] getdents64(3, [pid 5901] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5843] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5842] getdents64(4, [pid 5901] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5843] umount2("./9/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] close(4 [pid 5843] newfstatat(AT_FDCWD, "./9/binderfs", [pid 5842] <... close resumed>) = 0 [pid 5843] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] rmdir("./8/bus" [pid 5846] <... umount2 resumed>) = 0 [pid 5843] unlink("./9/binderfs" [pid 5842] <... rmdir resumed>) = 0 [pid 5843] <... unlink resumed>) = 0 [pid 5843] umount2("./9/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5901] exit_group(0 [pid 5842] getdents64(3, [pid 5901] <... exit_group resumed>) = ? [pid 5846] umount2("./9/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5846] newfstatat(AT_FDCWD, "./9/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5846] umount2("./9/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5901] +++ exited with 0 +++ [pid 5846] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] <... umount2 resumed>) = 0 [pid 5842] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5846] openat(AT_FDCWD, "./9/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5901, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=16 /* 0.16 s */} --- [pid 5846] <... openat resumed>) = 4 [pid 5846] newfstatat(4, "", [pid 5842] close(3 [pid 5846] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5842] <... close resumed>) = 0 [pid 5842] rmdir("./8" [pid 5846] getdents64(4, [pid 5842] <... rmdir resumed>) = 0 [pid 5846] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5843] umount2("./9/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5846] getdents64(4, [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5846] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5843] newfstatat(AT_FDCWD, "./9/bus", [pid 5900] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5842] mkdir("./9", 0777 [pid 5846] close(4 [pid 5900] sched_setaffinity(0, 0, NULL [pid 5842] <... mkdir resumed>) = 0 [pid 5900] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5846] <... close resumed>) = 0 [pid 5843] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5900] rename(NULL, NULL [pid 5846] rmdir("./9/bus" [pid 5843] umount2("./9/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5900] <... rename resumed>) = -1 EFAULT (Bad address) [pid 5900] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] openat(AT_FDCWD, "./9/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5900] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5843] <... openat resumed>) = 4 [pid 5842] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5900] exit_group(0 [pid 5846] <... rmdir resumed>) = 0 [pid 5843] newfstatat(4, "", [pid 5842] <... openat resumed>) = 3 [pid 5846] getdents64(3, [pid 5843] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5846] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5843] getdents64(4, [pid 5846] close(3 [pid 5900] <... exit_group resumed>) = ? [pid 5846] <... close resumed>) = 0 [pid 5843] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5842] ioctl(3, LOOP_CLR_FD [pid 5900] +++ exited with 0 +++ [pid 5846] rmdir("./9" [pid 5843] getdents64(4, [pid 5842] <... ioctl resumed>) = 0 [pid 5842] close(3 [pid 5846] <... rmdir resumed>) = 0 [pid 5845] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5900, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=24 /* 0.24 s */} --- [pid 5844] umount2("./10", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5843] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5846] mkdir("./10", 0777 [pid 5845] restart_syscall(<... resuming interrupted clone ...> [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] close(4 [pid 5846] <... mkdir resumed>) = 0 [pid 5845] <... restart_syscall resumed>) = 0 [pid 5844] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5843] <... close resumed>) = 0 [pid 5844] <... openat resumed>) = 3 [pid 5843] rmdir("./9/bus" [pid 5845] umount2("./9", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5843] <... rmdir resumed>) = 0 [pid 5846] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5845] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5846] <... openat resumed>) = 3 [pid 5845] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5846] ioctl(3, LOOP_CLR_FD [pid 5845] <... openat resumed>) = 3 [pid 5846] <... ioctl resumed>) = 0 [pid 5846] close(3 [pid 5845] newfstatat(3, "", [pid 5843] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5844] newfstatat(3, "", [pid 5845] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5845] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5845] umount2("./9/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5844] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5845] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] close(3 [pid 5845] newfstatat(AT_FDCWD, "./9/binderfs", [pid 5844] getdents64(3, [pid 5843] <... close resumed>) = 0 [pid 5842] <... close resumed>) = 0 [pid 5845] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] rmdir("./9" [pid 5845] unlink("./9/binderfs" [pid 5843] <... rmdir resumed>) = 0 [pid 5845] <... unlink resumed>) = 0 [pid 5845] umount2("./9/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5843] mkdir("./10", 0777) = 0 [pid 5843] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5843] ioctl(3, LOOP_CLR_FD [pid 5844] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5843] <... ioctl resumed>) = 0 [pid 5843] close(3 [pid 5844] umount2("./10/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5902 attached [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5902] set_robust_list(0x55557f708660, 24 [pid 5844] newfstatat(AT_FDCWD, "./10/binderfs", [pid 5842] <... clone resumed>, child_tidptr=0x55557f708650) = 5902 [pid 5902] <... set_robust_list resumed>) = 0 [pid 5844] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5902] chdir("./9" [pid 5844] unlink("./10/binderfs" [pid 5902] <... chdir resumed>) = 0 [pid 5902] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5844] <... unlink resumed>) = 0 [pid 5902] <... prctl resumed>) = 0 [pid 5844] umount2("./10/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5902] setpgid(0, 0) = 0 [pid 5844] <... umount2 resumed>) = 0 [pid 5902] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5845] <... umount2 resumed>) = 0 [pid 5902] <... openat resumed>) = 3 [pid 5844] umount2("./10/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5902] write(3, "1000", 4 [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5902] <... write resumed>) = 4 [pid 5844] newfstatat(AT_FDCWD, "./10/bus", [pid 5902] close(3) = 0 [pid 5844] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5902] symlink("/dev/binderfs", "./binderfs" [pid 5844] umount2("./10/bus", MNT_FORCE|UMOUNT_NOFOLLOWexecuting program [pid 5902] <... symlink resumed>) = 0 [pid 5846] <... close resumed>) = 0 [pid 5845] umount2("./9/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5902] write(1, "executing program\n", 18 [pid 5844] openat(AT_FDCWD, "./10/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5902] <... write resumed>) = 18 [pid 5845] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5902] memfd_create("syzkaller", 0 [pid 5845] newfstatat(AT_FDCWD, "./9/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5845] umount2("./9/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5845] openat(AT_FDCWD, "./9/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5902] <... memfd_create resumed>) = 3 [pid 5845] <... openat resumed>) = 4 [pid 5845] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5902] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5845] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5902] <... mmap resumed>) = 0x7f8e0a400000 [pid 5845] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5845] close(4) = 0 [pid 5845] rmdir("./9/bus") = 0 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5903 attached [pid 5845] getdents64(3, [pid 5844] <... openat resumed>) = 4 [pid 5846] <... clone resumed>, child_tidptr=0x55557f708650) = 5903 [pid 5845] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5903] set_robust_list(0x55557f708660, 24 [pid 5844] newfstatat(4, "", [pid 5903] <... set_robust_list resumed>) = 0 [pid 5845] close(3 [pid 5844] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5903] chdir("./10" [pid 5845] <... close resumed>) = 0 [pid 5903] <... chdir resumed>) = 0 [pid 5845] rmdir("./9" [pid 5903] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5845] <... rmdir resumed>) = 0 [pid 5844] getdents64(4, [pid 5903] <... prctl resumed>) = 0 [pid 5845] mkdir("./10", 0777 [pid 5843] <... close resumed>) = 0 [pid 5845] <... mkdir resumed>) = 0 [pid 5843] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5904 attached [pid 5903] setpgid(0, 0 [pid 5844] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5903] <... setpgid resumed>) = 0 [pid 5845] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5903] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5844] getdents64(4, [pid 5904] set_robust_list(0x55557f708660, 24 [pid 5845] <... openat resumed>) = 3 [pid 5843] <... clone resumed>, child_tidptr=0x55557f708650) = 5904 [pid 5904] <... set_robust_list resumed>) = 0 [pid 5845] ioctl(3, LOOP_CLR_FD [pid 5904] chdir("./10" [pid 5845] <... ioctl resumed>) = 0 [pid 5903] <... openat resumed>) = 3 [pid 5844] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5903] write(3, "1000", 4 [pid 5845] close(3 [pid 5903] <... write resumed>) = 4 [pid 5844] close(4 [pid 5903] close(3 [pid 5904] <... chdir resumed>) = 0 [pid 5904] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5903] <... close resumed>) = 0 [pid 5844] <... close resumed>) = 0 [pid 5904] setpgid(0, 0 [pid 5903] symlink("/dev/binderfs", "./binderfs" [pid 5844] rmdir("./10/bus" [pid 5904] <... setpgid resumed>) = 0 [pid 5903] <... symlink resumed>) = 0 [pid 5904] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5844] <... rmdir resumed>) = 0 [pid 5904] <... openat resumed>) = 3 [pid 5904] write(3, "1000", 4 [pid 5903] write(1, "executing program\n", 18 [pid 5844] getdents64(3, [pid 5904] <... write resumed>) = 4 [pid 5904] close(3) = 0 [pid 5904] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5904] write(1, "executing program\n", 18) = 18 executing program [pid 5904] memfd_create("syzkaller", 0 [pid 5903] <... write resumed>) = 18 [pid 5844] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5904] <... memfd_create resumed>) = 3 [pid 5902] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5845] <... close resumed>) = 0 [pid 5844] close(3 [pid 5845] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5903] memfd_create("syzkaller", 0 [pid 5844] <... close resumed>) = 0 [pid 5904] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0./strace-static-x86_64: Process 5905 attached ) = 0x7f8e0a400000 [pid 5903] <... memfd_create resumed>) = 3 [pid 5845] <... clone resumed>, child_tidptr=0x55557f708650) = 5905 [pid 5844] rmdir("./10" [pid 5905] set_robust_list(0x55557f708660, 24 [pid 5903] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5844] <... rmdir resumed>) = 0 [pid 5905] <... set_robust_list resumed>) = 0 [pid 5903] <... mmap resumed>) = 0x7f8e0a400000 [pid 5844] mkdir("./11", 0777 [pid 5905] chdir("./10") = 0 [pid 5905] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5844] <... mkdir resumed>) = 0 [pid 5905] <... prctl resumed>) = 0 [pid 5844] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5905] setpgid(0, 0) = 0 [pid 5905] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5844] <... openat resumed>) = 3 [pid 5905] write(3, "1000", 4 [pid 5844] ioctl(3, LOOP_CLR_FDexecuting program [pid 5905] <... write resumed>) = 4 [pid 5844] <... ioctl resumed>) = 0 [pid 5844] close(3 [pid 5905] close(3) = 0 [pid 5905] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5905] write(1, "executing program\n", 18) = 18 [pid 5905] memfd_create("syzkaller", 0) = 3 [pid 5905] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 [pid 5904] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5844] <... close resumed>) = 0 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5906 attached [pid 5906] set_robust_list(0x55557f708660, 24 [pid 5903] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5902] <... write resumed>) = 2097152 [pid 5844] <... clone resumed>, child_tidptr=0x55557f708650) = 5906 [pid 5906] <... set_robust_list resumed>) = 0 [pid 5906] chdir("./11") = 0 [pid 5902] munmap(0x7f8e0a400000, 138412032 [pid 5905] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5906] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5906] setpgid(0, 0) = 0 [pid 5906] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5906] write(3, "1000", 4) = 4 [pid 5904] <... write resumed>) = 2097152 [pid 5902] <... munmap resumed>) = 0 [pid 5906] close(3) = 0 [pid 5904] munmap(0x7f8e0a400000, 138412032 [pid 5902] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5906] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5902] <... openat resumed>) = 4 executing program [pid 5906] write(1, "executing program\n", 18 [pid 5902] ioctl(4, LOOP_SET_FD, 3 [pid 5906] <... write resumed>) = 18 [pid 5906] memfd_create("syzkaller", 0 [pid 5904] <... munmap resumed>) = 0 [pid 5906] <... memfd_create resumed>) = 3 [pid 5905] <... write resumed>) = 2097152 [pid 5904] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5903] <... write resumed>) = 2097152 [pid 5902] <... ioctl resumed>) = 0 [pid 5906] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5904] <... openat resumed>) = 4 [pid 5904] ioctl(4, LOOP_SET_FD, 3 [pid 5905] munmap(0x7f8e0a400000, 138412032 [pid 5902] close(3) = 0 [pid 5906] <... mmap resumed>) = 0x7f8e0a400000 [pid 5905] <... munmap resumed>) = 0 [pid 5904] <... ioctl resumed>) = 0 [pid 5903] munmap(0x7f8e0a400000, 138412032 [pid 5902] close(4 [pid 5905] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5904] close(3 [pid 5902] <... close resumed>) = 0 [pid 5904] <... close resumed>) = 0 [pid 5902] mkdir("./bus", 0777 [pid 5905] <... openat resumed>) = 4 [pid 5904] close(4 [pid 5905] ioctl(4, LOOP_SET_FD, 3 [pid 5904] <... close resumed>) = 0 [pid 5904] mkdir("./bus", 0777) = 0 [ 101.991678][ T5902] loop0: detected capacity change from 0 to 4096 [ 102.016400][ T5904] loop1: detected capacity change from 0 to 4096 [pid 5904] mount("/dev/loop1", "./bus", "ntfs3", 0, "" [pid 5906] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5903] <... munmap resumed>) = 0 [pid 5902] <... mkdir resumed>) = 0 [pid 5902] mount("/dev/loop0", "./bus", "ntfs3", 0, "" [pid 5903] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 5903] ioctl(4, LOOP_SET_FD, 3 [pid 5905] <... ioctl resumed>) = 0 [pid 5905] close(3) = 0 [pid 5905] close(4) = 0 [pid 5905] mkdir("./bus", 0777 [pid 5903] <... ioctl resumed>) = 0 [pid 5905] <... mkdir resumed>) = 0 [ 102.046718][ T5905] loop3: detected capacity change from 0 to 4096 [ 102.060054][ T5903] loop4: detected capacity change from 0 to 4096 [pid 5905] mount("/dev/loop3", "./bus", "ntfs3", 0, "" [pid 5903] close(3) = 0 [pid 5903] close(4) = 0 [pid 5903] mkdir("./bus", 0777) = 0 [pid 5903] mount("/dev/loop4", "./bus", "ntfs3", 0, "" [pid 5906] <... write resumed>) = 2097152 [pid 5906] munmap(0x7f8e0a400000, 138412032) = 0 [pid 5906] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 5906] ioctl(4, LOOP_SET_FD, 3 [pid 5904] <... mount resumed>) = 0 [pid 5904] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5904] chdir("./bus") = 0 [pid 5904] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5904] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5905] <... mount resumed>) = 0 [pid 5904] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5904] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 5904] read(4, [pid 5905] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5905] chdir("./bus") = 0 [pid 5905] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5906] <... ioctl resumed>) = 0 [pid 5905] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5906] close(3) = 0 [pid 5905] sched_setaffinity(0, 0, NULL [pid 5906] close(4 [pid 5905] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5905] sched_setscheduler(0, SCHED_RR, NULL [pid 5906] <... close resumed>) = 0 [pid 5905] <... sched_setscheduler resumed>) = -1 EINVAL (Invalid argument) [pid 5905] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 5906] mkdir("./bus", 0777 [pid 5905] read(4, [pid 5902] <... mount resumed>) = 0 [pid 5906] <... mkdir resumed>) = 0 [pid 5903] <... mount resumed>) = 0 [pid 5902] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [ 102.145089][ T5906] loop2: detected capacity change from 0 to 4096 [pid 5906] mount("/dev/loop2", "./bus", "ntfs3", 0, "" [pid 5903] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5902] <... openat resumed>) = 3 [pid 5903] <... openat resumed>) = 3 [pid 5902] chdir("./bus" [pid 5903] chdir("./bus" [pid 5902] <... chdir resumed>) = 0 [pid 5903] <... chdir resumed>) = 0 [pid 5902] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5903] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5902] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5903] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5902] sched_setaffinity(0, 0, NULL [pid 5903] sched_setaffinity(0, 0, NULL [pid 5902] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5903] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5902] sched_setscheduler(0, SCHED_RR, NULL [pid 5903] sched_setscheduler(0, SCHED_RR, NULL [pid 5902] <... sched_setscheduler resumed>) = -1 EINVAL (Invalid argument) [pid 5903] <... sched_setscheduler resumed>) = -1 EINVAL (Invalid argument) [pid 5902] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5903] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 5902] <... openat resumed>) = 4 [pid 5903] read(4, [pid 5902] read(4, [pid 5906] <... mount resumed>) = 0 [pid 5906] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5906] chdir("./bus") = 0 [pid 5906] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5906] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5906] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5906] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 5906] read(4, [pid 5904] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5904] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5904] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 5904] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 5904] exit_group(0) = ? [pid 5904] +++ exited with 0 +++ [pid 5843] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5904, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=17 /* 0.17 s */} --- [pid 5843] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5902] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5902] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5902] rename(NULL, NULL [pid 5843] umount2("./10", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5902] <... rename resumed>) = -1 EFAULT (Bad address) [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5902] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 5843] <... openat resumed>) = 3 [pid 5902] exit_group(0 [pid 5843] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5902] <... exit_group resumed>) = ? [pid 5902] +++ exited with 0 +++ [pid 5843] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5902, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5843] umount2("./10/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] restart_syscall(<... resuming interrupted clone ...> [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] newfstatat(AT_FDCWD, "./10/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] unlink("./10/binderfs") = 0 [pid 5842] <... restart_syscall resumed>) = 0 [pid 5843] umount2("./10/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] umount2("./9", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5842] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5842] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5903] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5903] sched_setaffinity(0, 0, NULL [pid 5843] <... umount2 resumed>) = 0 [pid 5842] umount2("./9/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5903] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5843] umount2("./10/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5903] rename(NULL, NULL [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./9/binderfs", [pid 5903] <... rename resumed>) = -1 EFAULT (Bad address) [pid 5903] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5843] newfstatat(AT_FDCWD, "./10/bus", [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5903] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5843] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] unlink("./9/binderfs" [pid 5903] exit_group(0 [pid 5843] umount2("./10/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] <... unlink resumed>) = 0 [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] umount2("./9/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5903] <... exit_group resumed>) = ? [pid 5903] +++ exited with 0 +++ [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5903, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=17 /* 0.17 s */} --- [pid 5846] umount2("./10", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5843] openat(AT_FDCWD, "./10/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5846] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5843] <... openat resumed>) = 4 [pid 5843] newfstatat(4, "", [pid 5846] <... openat resumed>) = 3 [pid 5843] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5846] newfstatat(3, "", [pid 5843] getdents64(4, [pid 5842] <... umount2 resumed>) = 0 [pid 5843] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5842] umount2("./9/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5846] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5843] getdents64(4, [pid 5906] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5846] getdents64(3, [pid 5843] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5846] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5843] close(4 [pid 5842] newfstatat(AT_FDCWD, "./9/bus", [pid 5906] sched_setaffinity(0, 0, NULL [pid 5843] <... close resumed>) = 0 [pid 5906] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5846] umount2("./10/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5843] rmdir("./10/bus" [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5906] rename(NULL, NULL [pid 5846] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] <... rmdir resumed>) = 0 [pid 5842] umount2("./9/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5906] <... rename resumed>) = -1 EFAULT (Bad address) [pid 5846] newfstatat(AT_FDCWD, "./10/binderfs", [pid 5843] getdents64(3, [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5906] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5846] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5842] openat(AT_FDCWD, "./9/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5906] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5846] unlink("./10/binderfs" [pid 5843] close(3 [pid 5906] exit_group(0 [pid 5846] <... unlink resumed>) = 0 [pid 5843] <... close resumed>) = 0 [pid 5842] <... openat resumed>) = 4 [pid 5906] <... exit_group resumed>) = ? [pid 5843] rmdir("./10" [pid 5842] newfstatat(4, "", [pid 5843] <... rmdir resumed>) = 0 [pid 5846] umount2("./10/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5843] mkdir("./11", 0777 [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5906] +++ exited with 0 +++ [pid 5905] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5843] <... mkdir resumed>) = 0 [pid 5842] getdents64(4, [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5906, si_uid=0, si_status=0, si_utime=0, si_stime=24 /* 0.24 s */} --- [pid 5842] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5844] restart_syscall(<... resuming interrupted clone ...> [pid 5842] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5842] close(4) = 0 [pid 5905] sched_setaffinity(0, 0, NULL [pid 5842] rmdir("./9/bus" [pid 5905] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5846] <... umount2 resumed>) = 0 [pid 5843] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5842] <... rmdir resumed>) = 0 [pid 5905] rename(NULL, NULL [pid 5846] umount2("./10/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5843] <... openat resumed>) = 3 [pid 5842] getdents64(3, [pid 5905] <... rename resumed>) = -1 EFAULT (Bad address) [pid 5846] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5844] <... restart_syscall resumed>) = 0 [pid 5843] ioctl(3, LOOP_CLR_FD [pid 5842] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5905] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5843] <... ioctl resumed>) = 0 [pid 5842] close(3 [pid 5905] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5843] close(3 [pid 5842] <... close resumed>) = 0 [pid 5905] exit_group(0 [pid 5846] newfstatat(AT_FDCWD, "./10/bus", [pid 5844] umount2("./11", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] rmdir("./9" [pid 5905] <... exit_group resumed>) = ? [pid 5842] <... rmdir resumed>) = 0 [pid 5846] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] mkdir("./10", 0777 [pid 5846] umount2("./10/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] <... mkdir resumed>) = 0 [pid 5846] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5846] openat(AT_FDCWD, "./10/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] <... openat resumed>) = 3 [pid 5846] <... openat resumed>) = 4 [pid 5842] ioctl(3, LOOP_CLR_FD [pid 5846] newfstatat(4, "", [pid 5842] <... ioctl resumed>) = 0 [pid 5846] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5842] close(3 [pid 5846] getdents64(4, [pid 5844] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5846] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5844] <... openat resumed>) = 3 [pid 5843] <... close resumed>) = 0 [pid 5844] newfstatat(3, "", [pid 5843] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5905] +++ exited with 0 +++ [pid 5846] getdents64(4, [pid 5844] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5846] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5845] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5905, si_uid=0, si_status=0, si_utime=0, si_stime=24 /* 0.24 s */} --- [pid 5844] getdents64(3, ./strace-static-x86_64: Process 5907 attached [pid 5846] close(4 [pid 5844] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5843] <... clone resumed>, child_tidptr=0x55557f708650) = 5907 [pid 5907] set_robust_list(0x55557f708660, 24 [pid 5846] <... close resumed>) = 0 [pid 5844] umount2("./11/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5846] rmdir("./10/bus" [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5846] <... rmdir resumed>) = 0 [pid 5846] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5846] close(3) = 0 [pid 5846] rmdir("./10") = 0 [pid 5846] mkdir("./11", 0777) = 0 [pid 5845] umount2("./10", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5845] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5846] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5845] <... openat resumed>) = 3 [pid 5846] <... openat resumed>) = 3 [pid 5845] newfstatat(3, "", [pid 5846] ioctl(3, LOOP_CLR_FD [pid 5845] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5846] <... ioctl resumed>) = 0 [pid 5845] getdents64(3, [pid 5907] <... set_robust_list resumed>) = 0 [pid 5846] close(3 [pid 5845] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5844] newfstatat(AT_FDCWD, "./11/binderfs", [pid 5907] chdir("./11" [pid 5845] umount2("./10/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5844] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5907] <... chdir resumed>) = 0 [pid 5844] unlink("./11/binderfs" [pid 5907] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5845] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5845] newfstatat(AT_FDCWD, "./10/binderfs", [pid 5907] <... prctl resumed>) = 0 [pid 5845] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] <... unlink resumed>) = 0 [pid 5907] setpgid(0, 0) = 0 [pid 5845] unlink("./10/binderfs" [pid 5907] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5845] <... unlink resumed>) = 0 [pid 5844] umount2("./11/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] <... close resumed>) = 0 [pid 5845] umount2("./10/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5907] <... openat resumed>) = 3 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5907] write(3, "1000", 4 [pid 5846] <... close resumed>) = 0 [pid 5845] <... umount2 resumed>) = 0 [pid 5844] <... umount2 resumed>) = 0 [pid 5907] <... write resumed>) = 4 [pid 5844] umount2("./11/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5907] close(3 [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5908 attached [pid 5907] <... close resumed>) = 0 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5845] umount2("./10/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5844] newfstatat(AT_FDCWD, "./11/bus", [pid 5908] set_robust_list(0x55557f708660, 24 [pid 5907] symlink("/dev/binderfs", "./binderfs" [pid 5845] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5909 attached [pid 5908] <... set_robust_list resumed>) = 0 [pid 5907] <... symlink resumed>) = 0 [pid 5846] <... clone resumed>, child_tidptr=0x55557f708650) = 5909 [pid 5845] newfstatat(AT_FDCWD, "./10/bus", [pid 5844] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] <... clone resumed>, child_tidptr=0x55557f708650) = 5908 [pid 5909] set_robust_list(0x55557f708660, 24 [pid 5908] chdir("./10" [pid 5907] write(1, "executing program\n", 18 executing program [pid 5845] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] umount2("./11/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5909] <... set_robust_list resumed>) = 0 [pid 5907] <... write resumed>) = 18 [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5909] chdir("./11" [pid 5908] <... chdir resumed>) = 0 [pid 5907] memfd_create("syzkaller", 0 [pid 5845] umount2("./10/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5844] openat(AT_FDCWD, "./11/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5909] <... chdir resumed>) = 0 [pid 5845] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5844] <... openat resumed>) = 4 [pid 5909] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5844] newfstatat(4, "", [pid 5909] setpgid(0, 0 [pid 5845] openat(AT_FDCWD, "./10/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5844] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5909] <... setpgid resumed>) = 0 [pid 5844] getdents64(4, [pid 5845] <... openat resumed>) = 4 [pid 5909] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5845] newfstatat(4, "", [pid 5844] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5908] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5845] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5909] <... openat resumed>) = 3 [pid 5844] getdents64(4, [pid 5909] write(3, "1000", 4 [pid 5844] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5909] <... write resumed>) = 4 [pid 5844] close(4 [pid 5909] close(3 [pid 5908] <... prctl resumed>) = 0 [pid 5845] getdents64(4, [pid 5909] <... close resumed>) = 0 [pid 5844] <... close resumed>) = 0 [pid 5909] symlink("/dev/binderfs", "./binderfs" [pid 5908] setpgid(0, 0 [pid 5845] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5909] <... symlink resumed>) = 0 [pid 5908] <... setpgid resumed>) = 0 [pid 5845] getdents64(4, [pid 5908] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5845] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5908] <... openat resumed>) = 3 [pid 5845] close(4 [pid 5908] write(3, "1000", 4 [pid 5845] <... close resumed>) = 0 [pid 5908] <... write resumed>) = 4 [pid 5845] rmdir("./10/bus"executing program executing program [pid 5908] close(3 [pid 5845] <... rmdir resumed>) = 0 [pid 5908] <... close resumed>) = 0 [pid 5845] getdents64(3, [pid 5908] symlink("/dev/binderfs", "./binderfs" [pid 5845] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5907] <... memfd_create resumed>) = 3 [pid 5844] rmdir("./11/bus" [pid 5908] <... symlink resumed>) = 0 [pid 5845] close(3 [pid 5908] write(1, "executing program\n", 18 [pid 5845] <... close resumed>) = 0 [pid 5908] <... write resumed>) = 18 [pid 5845] rmdir("./10" [pid 5909] write(1, "executing program\n", 18 [pid 5907] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5909] <... write resumed>) = 18 [pid 5909] memfd_create("syzkaller", 0 [pid 5908] memfd_create("syzkaller", 0 [pid 5907] <... mmap resumed>) = 0x7f8e0a400000 [pid 5845] <... rmdir resumed>) = 0 [pid 5845] mkdir("./11", 0777) = 0 [pid 5908] <... memfd_create resumed>) = 3 [pid 5845] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5845] ioctl(3, LOOP_CLR_FD) = 0 [pid 5845] close(3 [pid 5909] <... memfd_create resumed>) = 3 [pid 5908] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5844] <... rmdir resumed>) = 0 [pid 5908] <... mmap resumed>) = 0x7f8e0a400000 [pid 5844] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5909] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5844] close(3 [pid 5909] <... mmap resumed>) = 0x7f8e0a400000 [pid 5844] <... close resumed>) = 0 [pid 5844] rmdir("./11") = 0 [pid 5844] mkdir("./12", 0777) = 0 [pid 5844] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5844] ioctl(3, LOOP_CLR_FD) = 0 [pid 5844] close(3 [pid 5845] <... close resumed>) = 0 [pid 5845] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5910 attached , child_tidptr=0x55557f708650) = 5910 [pid 5910] set_robust_list(0x55557f708660, 24) = 0 [pid 5844] <... close resumed>) = 0 [pid 5910] chdir("./11") = 0 [pid 5910] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5910] setpgid(0, 0) = 0 [pid 5910] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5911 attached [pid 5910] write(3, "1000", 4 [pid 5908] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5907] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5910] <... write resumed>) = 4 [pid 5911] set_robust_list(0x55557f708660, 24 [pid 5910] close(3 [pid 5911] <... set_robust_list resumed>) = 0 [pid 5910] <... close resumed>) = 0 [pid 5911] chdir("./12" [pid 5910] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 5911] <... chdir resumed>) = 0 [pid 5911] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5910] write(1, "executing program\n", 18 [pid 5911] <... prctl resumed>) = 0 [pid 5910] <... write resumed>) = 18 [pid 5911] setpgid(0, 0 [pid 5910] memfd_create("syzkaller", 0 [pid 5911] <... setpgid resumed>) = 0 [pid 5909] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5910] <... memfd_create resumed>) = 3 [pid 5910] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 [pid 5911] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5844] <... clone resumed>, child_tidptr=0x55557f708650) = 5911 [pid 5911] <... openat resumed>) = 3 [pid 5911] write(3, "1000", 4) = 4 [pid 5911] close(3) = 0 [pid 5911] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5911] write(1, "executing program\n", 18) = 18 [pid 5911] memfd_create("syzkaller", 0) = 3 [pid 5911] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 [pid 5908] <... write resumed>) = 2097152 [pid 5910] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5909] <... write resumed>) = 2097152 [pid 5907] <... write resumed>) = 2097152 [pid 5909] munmap(0x7f8e0a400000, 138412032 [pid 5907] munmap(0x7f8e0a400000, 138412032 [pid 5909] <... munmap resumed>) = 0 [pid 5907] <... munmap resumed>) = 0 [pid 5908] munmap(0x7f8e0a400000, 138412032 [pid 5907] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5908] <... munmap resumed>) = 0 [pid 5907] <... openat resumed>) = 4 [pid 5907] ioctl(4, LOOP_SET_FD, 3 [pid 5909] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5908] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5911] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5909] <... openat resumed>) = 4 [pid 5908] <... openat resumed>) = 4 [pid 5909] ioctl(4, LOOP_SET_FD, 3 [pid 5908] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5911] <... write resumed>) = 2097152 [pid 5910] <... write resumed>) = 2097152 [pid 5909] <... ioctl resumed>) = 0 [pid 5907] <... ioctl resumed>) = 0 [pid 5911] munmap(0x7f8e0a400000, 138412032 [pid 5910] munmap(0x7f8e0a400000, 138412032 [pid 5909] close(3 [pid 5908] close(3 [pid 5907] close(3 [pid 5908] <... close resumed>) = 0 [pid 5909] <... close resumed>) = 0 [pid 5909] close(4 [pid 5908] close(4 [pid 5907] <... close resumed>) = 0 [pid 5911] <... munmap resumed>) = 0 [pid 5910] <... munmap resumed>) = 0 [pid 5909] <... close resumed>) = 0 [pid 5908] <... close resumed>) = 0 [pid 5907] close(4) = 0 [pid 5909] mkdir("./bus", 0777 [pid 5911] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5910] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5908] mkdir("./bus", 0777 [pid 5907] mkdir("./bus", 0777 [pid 5911] <... openat resumed>) = 4 [pid 5910] <... openat resumed>) = 4 [pid 5909] <... mkdir resumed>) = 0 [pid 5908] <... mkdir resumed>) = 0 [pid 5907] <... mkdir resumed>) = 0 [pid 5911] ioctl(4, LOOP_SET_FD, 3 [pid 5910] ioctl(4, LOOP_SET_FD, 3 [pid 5909] mount("/dev/loop4", "./bus", "ntfs3", 0, "" [pid 5908] mount("/dev/loop0", "./bus", "ntfs3", 0, "" [ 103.193322][ T5907] loop1: detected capacity change from 0 to 4096 [ 103.210030][ T5908] loop0: detected capacity change from 0 to 4096 [ 103.217020][ T5909] loop4: detected capacity change from 0 to 4096 [pid 5907] mount("/dev/loop1", "./bus", "ntfs3", 0, "" [pid 5911] <... ioctl resumed>) = 0 [pid 5910] <... ioctl resumed>) = 0 [pid 5911] close(3 [pid 5910] close(3 [pid 5911] <... close resumed>) = 0 [pid 5910] <... close resumed>) = 0 [pid 5911] close(4 [pid 5910] close(4 [pid 5911] <... close resumed>) = 0 [pid 5911] mkdir("./bus", 0777) = 0 [pid 5911] mount("/dev/loop2", "./bus", "ntfs3", 0, "" [pid 5910] <... close resumed>) = 0 [pid 5910] mkdir("./bus", 0777) = 0 [ 103.267982][ T5911] loop2: detected capacity change from 0 to 4096 [ 103.274739][ T5910] loop3: detected capacity change from 0 to 4096 [pid 5910] mount("/dev/loop3", "./bus", "ntfs3", 0, "" [pid 5907] <... mount resumed>) = 0 [pid 5908] <... mount resumed>) = 0 [pid 5907] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5908] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5907] <... openat resumed>) = 3 [pid 5908] chdir("./bus" [pid 5907] chdir("./bus" [pid 5908] <... chdir resumed>) = 0 [pid 5907] <... chdir resumed>) = 0 [pid 5908] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5907] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5908] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5908] sched_setaffinity(0, 0, NULL [pid 5907] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5908] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5907] sched_setaffinity(0, 0, NULL [pid 5908] sched_setscheduler(0, SCHED_RR, NULL [pid 5907] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5908] <... sched_setscheduler resumed>) = -1 EINVAL (Invalid argument) [pid 5907] sched_setscheduler(0, SCHED_RR, NULL [pid 5908] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5907] <... sched_setscheduler resumed>) = -1 EINVAL (Invalid argument) [pid 5908] <... openat resumed>) = 4 [pid 5907] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5908] read(4, [pid 5907] <... openat resumed>) = 4 [pid 5907] read(4, [pid 5909] <... mount resumed>) = 0 [pid 5909] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5909] chdir("./bus") = 0 [pid 5909] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5909] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5909] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5909] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 5909] read(4, [pid 5910] <... mount resumed>) = 0 [pid 5910] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5910] chdir("./bus") = 0 [pid 5911] <... mount resumed>) = 0 [pid 5910] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5911] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5910] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5911] <... openat resumed>) = 3 [pid 5910] sched_setaffinity(0, 0, NULL [pid 5911] chdir("./bus" [pid 5910] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5911] <... chdir resumed>) = 0 [pid 5910] sched_setscheduler(0, SCHED_RR, NULL [pid 5911] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5910] <... sched_setscheduler resumed>) = -1 EINVAL (Invalid argument) [pid 5911] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5910] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5911] sched_setaffinity(0, 0, NULL [pid 5910] <... openat resumed>) = 4 [pid 5911] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5910] read(4, [pid 5911] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5911] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 5911] read(4, [pid 5908] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5908] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5908] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 5908] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 5908] exit_group(0) = ? [pid 5908] +++ exited with 0 +++ [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5908, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 5907] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5907] sched_setaffinity(0, 0, NULL [pid 5842] umount2("./10", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5907] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5907] rename(NULL, NULL [pid 5842] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5907] <... rename resumed>) = -1 EFAULT (Bad address) [pid 5842] <... openat resumed>) = 3 [pid 5842] newfstatat(3, "", [pid 5907] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5907] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5842] getdents64(3, [pid 5907] exit_group(0 [pid 5842] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5907] <... exit_group resumed>) = ? [pid 5842] umount2("./10/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5911] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5911] sched_setaffinity(0, 0, NULL [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5911] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5907] +++ exited with 0 +++ [pid 5911] rename(NULL, NULL [pid 5843] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5907, si_uid=0, si_status=0, si_utime=0, si_stime=26 /* 0.26 s */} --- [pid 5842] newfstatat(AT_FDCWD, "./10/binderfs", [pid 5911] <... rename resumed>) = -1 EFAULT (Bad address) [pid 5911] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5911] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5842] unlink("./10/binderfs" [pid 5911] exit_group(0 [pid 5842] <... unlink resumed>) = 0 [pid 5911] <... exit_group resumed>) = ? [pid 5842] umount2("./10/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5843] umount2("./11", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5843] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5843] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5843] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5909] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5843] umount2("./11/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] <... umount2 resumed>) = 0 [pid 5909] sched_setaffinity(0, 0, NULL [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] umount2("./10/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5909] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5843] newfstatat(AT_FDCWD, "./11/binderfs", [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5909] rename(NULL, NULL [pid 5843] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] newfstatat(AT_FDCWD, "./10/bus", [pid 5909] <... rename resumed>) = -1 EFAULT (Bad address) [pid 5843] unlink("./11/binderfs" [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5909] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5843] <... unlink resumed>) = 0 [pid 5842] umount2("./10/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5909] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5909] exit_group(0 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5909] <... exit_group resumed>) = ? [pid 5843] umount2("./11/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] openat(AT_FDCWD, "./10/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5911] +++ exited with 0 +++ [pid 5842] <... openat resumed>) = 4 [pid 5842] newfstatat(4, "", [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5911, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=20 /* 0.20 s */} --- [pid 5843] <... umount2 resumed>) = 0 [pid 5844] restart_syscall(<... resuming interrupted clone ...> [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5842] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5909] +++ exited with 0 +++ [pid 5844] <... restart_syscall resumed>) = 0 [pid 5842] getdents64(4, [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5909, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 5846] restart_syscall(<... resuming interrupted clone ...> [pid 5842] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5842] close(4) = 0 [pid 5842] rmdir("./10/bus") = 0 [pid 5846] <... restart_syscall resumed>) = 0 [pid 5843] umount2("./11/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5844] umount2("./12", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] getdents64(3, [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] newfstatat(AT_FDCWD, "./11/bus", [pid 5842] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5846] umount2("./11", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5844] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5846] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] close(3 [pid 5846] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5844] <... openat resumed>) = 3 [pid 5843] umount2("./11/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] <... close resumed>) = 0 [pid 5846] newfstatat(3, "", [pid 5844] newfstatat(3, "", [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5846] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5846] getdents64(3, [pid 5844] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5843] openat(AT_FDCWD, "./11/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5842] rmdir("./10" [pid 5846] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5846] umount2("./11/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5843] <... openat resumed>) = 4 [pid 5846] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] newfstatat(4, "", [pid 5846] newfstatat(AT_FDCWD, "./11/binderfs", [pid 5844] getdents64(3, [pid 5843] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5842] <... rmdir resumed>) = 0 [pid 5846] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5846] unlink("./11/binderfs") = 0 [pid 5843] getdents64(4, [pid 5846] umount2("./11/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5843] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5846] <... umount2 resumed>) = 0 [pid 5844] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5842] mkdir("./11", 0777 [pid 5844] umount2("./12/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5843] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5843] close(4) = 0 [pid 5843] rmdir("./11/bus" [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] <... rmdir resumed>) = 0 [pid 5842] <... mkdir resumed>) = 0 [pid 5846] umount2("./11/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5844] newfstatat(AT_FDCWD, "./12/binderfs", [pid 5846] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] getdents64(3, [pid 5846] newfstatat(AT_FDCWD, "./11/bus", [pid 5843] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5846] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] close(3 [pid 5846] umount2("./11/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5843] <... close resumed>) = 0 [pid 5843] rmdir("./11" [pid 5846] openat(AT_FDCWD, "./11/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5844] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] <... rmdir resumed>) = 0 [pid 5842] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5844] unlink("./12/binderfs" [pid 5846] <... openat resumed>) = 4 [pid 5846] newfstatat(4, "", [pid 5843] mkdir("./12", 0777 [pid 5842] <... openat resumed>) = 3 [pid 5846] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5846] getdents64(4, [pid 5844] <... unlink resumed>) = 0 [pid 5843] <... mkdir resumed>) = 0 [pid 5842] ioctl(3, LOOP_CLR_FD [pid 5846] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5844] umount2("./12/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5846] getdents64(4, [pid 5910] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5846] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5844] <... umount2 resumed>) = 0 [pid 5843] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5842] <... ioctl resumed>) = 0 [pid 5910] sched_setaffinity(0, 0, NULL [pid 5846] close(4 [pid 5842] close(3 [pid 5844] umount2("./12/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5910] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5846] <... close resumed>) = 0 [pid 5843] <... openat resumed>) = 3 [pid 5910] rename(NULL, NULL [pid 5846] rmdir("./11/bus" [pid 5910] <... rename resumed>) = -1 EFAULT (Bad address) [pid 5846] <... rmdir resumed>) = 0 [pid 5843] ioctl(3, LOOP_CLR_FD [pid 5910] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 5846] getdents64(3, [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] <... ioctl resumed>) = 0 [pid 5844] newfstatat(AT_FDCWD, "./12/bus", [pid 5843] close(3 [pid 5910] exit_group(0 [pid 5844] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5846] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5910] <... exit_group resumed>) = ? [pid 5846] close(3) = 0 [pid 5844] umount2("./12/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] <... close resumed>) = 0 [pid 5846] rmdir("./11" [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5846] <... rmdir resumed>) = 0 [pid 5844] openat(AT_FDCWD, "./12/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5844] newfstatat(4, "", [pid 5846] mkdir("./12", 0777) = 0 ./strace-static-x86_64: Process 5912 attached [pid 5844] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5912] set_robust_list(0x55557f708660, 24 [pid 5846] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5844] getdents64(4, [pid 5842] <... clone resumed>, child_tidptr=0x55557f708650) = 5912 [pid 5912] <... set_robust_list resumed>) = 0 [pid 5912] chdir("./11" [pid 5910] +++ exited with 0 +++ [pid 5846] <... openat resumed>) = 3 [pid 5844] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5912] <... chdir resumed>) = 0 [pid 5844] getdents64(4, [pid 5912] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5844] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5912] <... prctl resumed>) = 0 [pid 5846] ioctl(3, LOOP_CLR_FD [pid 5845] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5910, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 5844] close(4 [pid 5846] <... ioctl resumed>) = 0 [pid 5844] <... close resumed>) = 0 [pid 5912] setpgid(0, 0 [pid 5844] rmdir("./12/bus" [pid 5912] <... setpgid resumed>) = 0 [pid 5846] close(3 [pid 5912] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5844] <... rmdir resumed>) = 0 [pid 5846] <... close resumed>) = 0 [pid 5912] <... openat resumed>) = 3 [pid 5844] getdents64(3, [pid 5843] <... close resumed>) = 0 [pid 5912] write(3, "1000", 4 [pid 5844] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5844] close(3 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557f708650) = 5913 ./strace-static-x86_64: Process 5913 attached [pid 5913] set_robust_list(0x55557f708660, 24) = 0 [pid 5913] chdir("./12") = 0 [pid 5913] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5913] setpgid(0, 0 [pid 5844] <... close resumed>) = 0 [pid 5913] <... setpgid resumed>) = 0 [pid 5912] <... write resumed>) = 4 [pid 5845] umount2("./11", MNT_FORCE|UMOUNT_NOFOLLOWexecuting program executing program [pid 5843] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5913] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5912] close(3 [pid 5845] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5844] rmdir("./12" [pid 5913] <... openat resumed>) = 3 [pid 5912] <... close resumed>) = 0 [pid 5845] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5913] write(3, "1000", 4) = 4 [pid 5845] <... openat resumed>) = 3 [pid 5912] symlink("/dev/binderfs", "./binderfs" [pid 5913] close(3) = 0 [pid 5913] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5912] <... symlink resumed>) = 0 [pid 5845] newfstatat(3, "", [pid 5844] <... rmdir resumed>) = 0 [pid 5912] write(1, "executing program\n", 18 [pid 5845] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5844] mkdir("./13", 0777 [pid 5912] <... write resumed>) = 18 [pid 5913] write(1, "executing program\n", 18) = 18 [pid 5913] memfd_create("syzkaller", 0 [pid 5912] memfd_create("syzkaller", 0 [pid 5845] getdents64(3, [pid 5844] <... mkdir resumed>) = 0 [pid 5845] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 ./strace-static-x86_64: Process 5914 attached [pid 5913] <... memfd_create resumed>) = 3 [pid 5912] <... memfd_create resumed>) = 3 [pid 5845] umount2("./11/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5844] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5912] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5845] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5913] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5912] <... mmap resumed>) = 0x7f8e0a400000 [pid 5845] newfstatat(AT_FDCWD, "./11/binderfs", [pid 5844] <... openat resumed>) = 3 [pid 5843] <... clone resumed>, child_tidptr=0x55557f708650) = 5914 [pid 5914] set_robust_list(0x55557f708660, 24 [pid 5845] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] ioctl(3, LOOP_CLR_FD [pid 5914] <... set_robust_list resumed>) = 0 [pid 5913] <... mmap resumed>) = 0x7f8e0a400000 [pid 5914] chdir("./12" [pid 5845] unlink("./11/binderfs" [pid 5844] <... ioctl resumed>) = 0 [pid 5845] <... unlink resumed>) = 0 [pid 5844] close(3 [pid 5914] <... chdir resumed>) = 0 [pid 5914] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5914] setpgid(0, 0) = 0 [pid 5914] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5845] umount2("./11/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5914] write(3, "1000", 4) = 4 [pid 5914] close(3) = 0 [pid 5914] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 5914] write(1, "executing program\n", 18) = 18 [pid 5914] memfd_create("syzkaller", 0 [pid 5845] <... umount2 resumed>) = 0 [pid 5914] <... memfd_create resumed>) = 3 [pid 5914] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 [pid 5845] umount2("./11/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5845] newfstatat(AT_FDCWD, "./11/bus", [pid 5844] <... close resumed>) = 0 [pid 5913] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5845] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5845] umount2("./11/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5845] openat(AT_FDCWD, "./11/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5845] newfstatat(4, "", ./strace-static-x86_64: Process 5915 attached {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5844] <... clone resumed>, child_tidptr=0x55557f708650) = 5915 [pid 5845] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5915] set_robust_list(0x55557f708660, 24) = 0 [pid 5915] chdir("./13") = 0 [pid 5915] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5915] setpgid(0, 0) = 0 [pid 5915] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5845] getdents64(4, executing program [pid 5915] write(3, "1000", 4 [pid 5912] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5845] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5845] close(4 [pid 5915] <... write resumed>) = 4 [pid 5915] close(3) = 0 [pid 5915] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5915] write(1, "executing program\n", 18) = 18 [pid 5915] memfd_create("syzkaller", 0 [pid 5914] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5845] <... close resumed>) = 0 [pid 5845] rmdir("./11/bus" [pid 5915] <... memfd_create resumed>) = 3 [pid 5915] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 [pid 5913] <... write resumed>) = 2097152 [pid 5845] <... rmdir resumed>) = 0 [pid 5913] munmap(0x7f8e0a400000, 138412032) = 0 [pid 5845] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5845] close(3) = 0 [pid 5913] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 5913] ioctl(4, LOOP_SET_FD, 3 [pid 5845] rmdir("./11" [pid 5913] <... ioctl resumed>) = 0 [pid 5912] <... write resumed>) = 2097152 [pid 5913] close(3) = 0 [pid 5845] <... rmdir resumed>) = 0 [pid 5913] close(4) = 0 [pid 5913] mkdir("./bus", 0777) = 0 [pid 5915] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5914] <... write resumed>) = 2097152 [pid 5912] munmap(0x7f8e0a400000, 138412032 [pid 5845] mkdir("./12", 0777 [pid 5913] mount("/dev/loop4", "./bus", "ntfs3", 0, "" [pid 5845] <... mkdir resumed>) = 0 [pid 5845] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [ 104.508628][ T5913] loop4: detected capacity change from 0 to 4096 [pid 5914] munmap(0x7f8e0a400000, 138412032 [pid 5845] ioctl(3, LOOP_CLR_FD [pid 5912] <... munmap resumed>) = 0 [pid 5845] <... ioctl resumed>) = 0 [pid 5845] close(3 [pid 5914] <... munmap resumed>) = 0 [pid 5912] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5914] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5914] ioctl(4, LOOP_SET_FD, 3 [pid 5912] ioctl(4, LOOP_SET_FD, 3 [pid 5914] <... ioctl resumed>) = 0 [pid 5915] <... write resumed>) = 2097152 [pid 5914] close(3) = 0 [pid 5914] close(4) = 0 [pid 5914] mkdir("./bus", 0777 [pid 5915] munmap(0x7f8e0a400000, 138412032 [pid 5914] <... mkdir resumed>) = 0 [pid 5915] <... munmap resumed>) = 0 [pid 5914] mount("/dev/loop1", "./bus", "ntfs3", 0, "" [pid 5915] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5912] <... ioctl resumed>) = 0 [pid 5845] <... close resumed>) = 0 [pid 5915] <... openat resumed>) = 4 [pid 5912] close(3 [pid 5913] <... mount resumed>) = 0 [pid 5845] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5913] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5913] chdir("./bus") = 0 [pid 5913] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5913] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5913] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [ 104.585415][ T5914] loop1: detected capacity change from 0 to 4096 [ 104.593540][ T5912] loop0: detected capacity change from 0 to 4096 [pid 5913] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 5913] read(4, [pid 5915] ioctl(4, LOOP_SET_FD, 3 [pid 5912] <... close resumed>) = 0 [pid 5915] <... ioctl resumed>) = 0 [pid 5912] close(4) = 0 [pid 5912] mkdir("./bus", 0777) = 0 [pid 5845] <... clone resumed>, child_tidptr=0x55557f708650) = 5916 [pid 5915] close(3 [pid 5912] mount("/dev/loop0", "./bus", "ntfs3", 0, "" [pid 5915] <... close resumed>) = 0 [pid 5915] close(4./strace-static-x86_64: Process 5916 attached ) = 0 [pid 5915] mkdir("./bus", 0777 [pid 5916] set_robust_list(0x55557f708660, 24) = 0 [pid 5915] <... mkdir resumed>) = 0 [pid 5916] chdir("./12" [pid 5915] mount("/dev/loop2", "./bus", "ntfs3", 0, "" [pid 5916] <... chdir resumed>) = 0 [pid 5916] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5916] setpgid(0, 0) = 0 [pid 5916] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5916] write(3, "1000", 4) = 4 [pid 5916] close(3) = 0 [pid 5916] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5916] write(1, "executing program\n", 18) = 18 [pid 5916] memfd_create("syzkaller", 0 [pid 5914] <... mount resumed>) = 0 [pid 5916] <... memfd_create resumed>) = 3 [pid 5916] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 [pid 5914] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5914] chdir("./bus") = 0 [ 104.649791][ T5915] loop2: detected capacity change from 0 to 4096 [pid 5914] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5912] <... mount resumed>) = 0 [pid 5914] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5912] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5914] sched_setaffinity(0, 0, NULL [pid 5912] chdir("./bus" [pid 5914] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5912] <... chdir resumed>) = 0 [pid 5914] sched_setscheduler(0, SCHED_RR, NULL [pid 5912] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5914] <... sched_setscheduler resumed>) = -1 EINVAL (Invalid argument) [pid 5912] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5914] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5912] sched_setaffinity(0, 0, NULL [pid 5914] <... openat resumed>) = 4 [pid 5912] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5914] read(4, [pid 5912] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5912] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 5912] read(4, [pid 5916] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5915] <... mount resumed>) = 0 [pid 5915] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5915] chdir("./bus") = 0 [pid 5915] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5915] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5915] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5915] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 5915] read(4, [pid 5916] <... write resumed>) = 2097152 [pid 5916] munmap(0x7f8e0a400000, 138412032) = 0 [pid 5916] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 5916] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5916] close(3) = 0 [pid 5916] close(4) = 0 [ 104.899479][ T5916] loop3: detected capacity change from 0 to 4096 [pid 5916] mkdir("./bus", 0777) = 0 [pid 5916] mount("/dev/loop3", "./bus", "ntfs3", 0, "" [pid 5913] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5913] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5913] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 5913] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 5913] exit_group(0) = ? [pid 5913] +++ exited with 0 +++ [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5913, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5846] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5846] umount2("./12", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5846] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5846] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5846] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5846] umount2("./12/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5846] newfstatat(AT_FDCWD, "./12/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5846] unlink("./12/binderfs") = 0 [pid 5846] umount2("./12/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 5846] umount2("./12/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5846] newfstatat(AT_FDCWD, "./12/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5846] umount2("./12/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5846] openat(AT_FDCWD, "./12/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5846] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5846] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5846] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5846] close(4) = 0 [pid 5846] rmdir("./12/bus") = 0 [pid 5846] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5846] close(3) = 0 [pid 5846] rmdir("./12") = 0 [pid 5846] mkdir("./13", 0777) = 0 [pid 5846] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5846] ioctl(3, LOOP_CLR_FD) = 0 [pid 5846] close(3 [pid 5912] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5912] sched_setaffinity(0, 0, NULL [pid 5916] <... mount resumed>) = 0 [pid 5912] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5916] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5912] rename(NULL, NULL [pid 5916] <... openat resumed>) = 3 [pid 5912] <... rename resumed>) = -1 EFAULT (Bad address) [pid 5916] chdir("./bus" [pid 5912] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5916] <... chdir resumed>) = 0 [pid 5912] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5916] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5912] exit_group(0 [pid 5916] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5912] <... exit_group resumed>) = ? [pid 5916] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5846] <... close resumed>) = 0 [pid 5916] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5916] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 5916] read(4, [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5917 attached [pid 5917] set_robust_list(0x55557f708660, 24 [pid 5912] +++ exited with 0 +++ [pid 5846] <... clone resumed>, child_tidptr=0x55557f708650) = 5917 [pid 5917] <... set_robust_list resumed>) = 0 [pid 5917] chdir("./13" [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5912, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=10 /* 0.10 s */} --- [pid 5842] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5917] <... chdir resumed>) = 0 [pid 5917] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5917] setpgid(0, 0 [pid 5842] umount2("./11", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5917] <... setpgid resumed>) = 0 [pid 5917] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5917] write(3, "1000", 4) = 4 [pid 5917] close(3) = 0 [pid 5917] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5917] write(1, "executing program\n", 18) = 18 [pid 5917] memfd_create("syzkaller", 0 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5917] <... memfd_create resumed>) = 3 [pid 5842] <... openat resumed>) = 3 [pid 5917] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 [pid 5842] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5842] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5842] umount2("./11/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5914] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5842] newfstatat(AT_FDCWD, "./11/binderfs", [pid 5914] sched_setaffinity(0, 0, NULL [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5914] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5842] unlink("./11/binderfs" [pid 5914] rename(NULL, NULL [pid 5842] <... unlink resumed>) = 0 [pid 5914] <... rename resumed>) = -1 EFAULT (Bad address) [pid 5914] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5842] umount2("./11/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5914] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5914] exit_group(0 [pid 5842] <... umount2 resumed>) = 0 [pid 5917] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5914] <... exit_group resumed>) = ? [pid 5842] umount2("./11/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./11/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5914] +++ exited with 0 +++ [pid 5842] umount2("./11/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5843] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5914, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=18 /* 0.18 s */} --- [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] openat(AT_FDCWD, "./11/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5843] umount2("./12", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] <... openat resumed>) = 4 [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(4, "", [pid 5843] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5843] <... openat resumed>) = 3 [pid 5843] newfstatat(3, "", [pid 5842] getdents64(4, [pid 5843] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5843] getdents64(3, [pid 5842] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5842] getdents64(4, [pid 5843] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5843] umount2("./12/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] close(4 [pid 5843] newfstatat(AT_FDCWD, "./12/binderfs", [pid 5842] <... close resumed>) = 0 [pid 5843] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] rmdir("./11/bus") = 0 [pid 5843] unlink("./12/binderfs" [pid 5842] getdents64(3, [pid 5843] <... unlink resumed>) = 0 [pid 5842] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5843] umount2("./12/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] close(3) = 0 [pid 5842] rmdir("./11") = 0 [pid 5843] <... umount2 resumed>) = 0 [pid 5842] mkdir("./12", 0777 [pid 5843] umount2("./12/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] <... mkdir resumed>) = 0 [pid 5843] newfstatat(AT_FDCWD, "./12/bus", [pid 5842] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5843] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] <... openat resumed>) = 3 [pid 5843] umount2("./12/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] ioctl(3, LOOP_CLR_FD [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] <... ioctl resumed>) = 0 [pid 5843] openat(AT_FDCWD, "./12/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5842] close(3 [pid 5843] <... openat resumed>) = 4 [pid 5917] <... write resumed>) = 2097152 [pid 5843] newfstatat(4, "", [pid 5917] munmap(0x7f8e0a400000, 138412032) = 0 [pid 5917] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5843] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5917] <... openat resumed>) = 4 [pid 5917] ioctl(4, LOOP_SET_FD, 3 [pid 5843] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5843] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5843] close(4) = 0 [pid 5843] rmdir("./12/bus" [pid 5917] <... ioctl resumed>) = 0 [pid 5916] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5842] <... close resumed>) = 0 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5917] close(3) = 0 [pid 5917] close(4 [pid 5916] sched_setaffinity(0, 0, NULL [pid 5917] <... close resumed>) = 0 [pid 5916] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5917] mkdir("./bus", 0777 [pid 5916] rename(NULL, NULL./strace-static-x86_64: Process 5918 attached ) = -1 EFAULT (Bad address) [pid 5916] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 5916] exit_group(0) = ? [pid 5843] <... rmdir resumed>) = 0 [pid 5918] set_robust_list(0x55557f708660, 24 [pid 5843] getdents64(3, [pid 5842] <... clone resumed>, child_tidptr=0x55557f708650) = 5918 [pid 5918] <... set_robust_list resumed>) = 0 [pid 5917] <... mkdir resumed>) = 0 [pid 5843] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5843] close(3) = 0 [pid 5843] rmdir("./12" [pid 5918] chdir("./12" [pid 5843] <... rmdir resumed>) = 0 [pid 5917] mount("/dev/loop4", "./bus", "ntfs3", 0, "" [pid 5918] <... chdir resumed>) = 0 [pid 5916] +++ exited with 0 +++ [pid 5843] mkdir("./13", 0777 [pid 5918] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5845] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5916, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5918] <... prctl resumed>) = 0 [pid 5845] umount2("./12", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5918] setpgid(0, 0) = 0 [pid 5845] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] <... mkdir resumed>) = 0 [pid 5918] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5845] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5843] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5918] <... openat resumed>) = 3 [ 105.323927][ T5917] loop4: detected capacity change from 0 to 4096 [pid 5845] <... openat resumed>) = 3 [pid 5918] write(3, "1000", 4 [pid 5843] <... openat resumed>) = 3 [pid 5918] <... write resumed>) = 4 [pid 5845] newfstatat(3, "", [pid 5918] close(3 [pid 5845] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5843] ioctl(3, LOOP_CLR_FD [pid 5918] <... close resumed>) = 0 [pid 5918] symlink("/dev/binderfs", "./binderfs" executing program [pid 5845] getdents64(3, [pid 5843] <... ioctl resumed>) = 0 [pid 5918] <... symlink resumed>) = 0 [pid 5918] write(1, "executing program\n", 18 [pid 5845] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5843] close(3 [pid 5918] <... write resumed>) = 18 [pid 5845] umount2("./12/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5918] memfd_create("syzkaller", 0 [pid 5845] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5918] <... memfd_create resumed>) = 3 [pid 5845] newfstatat(AT_FDCWD, "./12/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5918] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 [pid 5845] unlink("./12/binderfs") = 0 [pid 5845] umount2("./12/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5915] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5917] <... mount resumed>) = 0 [pid 5915] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5915] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 5917] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5915] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5917] <... openat resumed>) = 3 [pid 5915] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5917] chdir("./bus" [pid 5915] exit_group(0 [pid 5917] <... chdir resumed>) = 0 [pid 5915] <... exit_group resumed>) = ? [pid 5917] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5845] <... umount2 resumed>) = 0 [pid 5915] +++ exited with 0 +++ [pid 5843] <... close resumed>) = 0 [pid 5918] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5845] umount2("./12/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5915, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 5843] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5917] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5917] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5917] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5917] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 5917] read(4, ./strace-static-x86_64: Process 5919 attached [pid 5845] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5919] set_robust_list(0x55557f708660, 24 [pid 5845] newfstatat(AT_FDCWD, "./12/bus", [pid 5843] <... clone resumed>, child_tidptr=0x55557f708650) = 5919 [pid 5844] umount2("./13", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5845] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5845] umount2("./12/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5844] <... openat resumed>) = 3 [pid 5919] <... set_robust_list resumed>) = 0 [pid 5845] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5919] chdir("./13" [pid 5845] openat(AT_FDCWD, "./12/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5844] newfstatat(3, "", [pid 5919] <... chdir resumed>) = 0 [pid 5845] <... openat resumed>) = 4 [pid 5844] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5919] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5845] newfstatat(4, "", [pid 5919] <... prctl resumed>) = 0 [pid 5844] getdents64(3, [pid 5845] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5919] setpgid(0, 0) = 0 [pid 5844] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5919] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5845] getdents64(4, [pid 5844] umount2("./13/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5919] <... openat resumed>) = 3 [pid 5845] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5919] write(3, "1000", 4 [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5919] <... write resumed>) = 4 [pid 5845] getdents64(4, [pid 5844] newfstatat(AT_FDCWD, "./13/binderfs", [pid 5919] close(3 [pid 5845] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5844] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5919] <... close resumed>) = 0 [pid 5845] close(4 [pid 5844] unlink("./13/binderfs" [pid 5845] <... close resumed>) = 0 [pid 5919] symlink("/dev/binderfs", "./binderfs" [pid 5845] rmdir("./12/bus" [pid 5844] <... unlink resumed>) = 0 [pid 5844] umount2("./13/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5919] <... symlink resumed>) = 0 [pid 5918] <... write resumed>) = 2097152 [pid 5845] <... rmdir resumed>) = 0 [pid 5844] <... umount2 resumed>) = 0 executing program [pid 5919] write(1, "executing program\n", 18 [pid 5918] munmap(0x7f8e0a400000, 138412032 [pid 5845] getdents64(3, [pid 5844] umount2("./13/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5919] <... write resumed>) = 18 [pid 5845] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5919] memfd_create("syzkaller", 0 [pid 5845] close(3 [pid 5844] newfstatat(AT_FDCWD, "./13/bus", [pid 5845] <... close resumed>) = 0 [pid 5844] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5845] rmdir("./12" [pid 5919] <... memfd_create resumed>) = 3 [pid 5844] umount2("./13/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5845] <... rmdir resumed>) = 0 [pid 5919] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5845] mkdir("./13", 0777 [pid 5844] openat(AT_FDCWD, "./13/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5845] <... mkdir resumed>) = 0 [pid 5844] <... openat resumed>) = 4 [pid 5845] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5844] newfstatat(4, "", [pid 5919] <... mmap resumed>) = 0x7f8e0a400000 [pid 5918] <... munmap resumed>) = 0 [pid 5845] <... openat resumed>) = 3 [pid 5844] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5844] getdents64(4, [pid 5918] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5845] ioctl(3, LOOP_CLR_FD) = 0 [pid 5845] close(3 [pid 5918] <... openat resumed>) = 4 [pid 5918] ioctl(4, LOOP_SET_FD, 3 [pid 5844] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5844] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5844] close(4) = 0 [pid 5844] rmdir("./13/bus") = 0 [pid 5918] <... ioctl resumed>) = 0 [pid 5844] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5844] close(3) = 0 [pid 5844] rmdir("./13") = 0 [pid 5844] mkdir("./14", 0777 [pid 5918] close(3 [pid 5844] <... mkdir resumed>) = 0 [pid 5918] <... close resumed>) = 0 [pid 5918] close(4) = 0 [pid 5844] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5844] ioctl(3, LOOP_CLR_FD) = 0 [pid 5844] close(3 [pid 5918] mkdir("./bus", 0777) = 0 [pid 5918] mount("/dev/loop0", "./bus", "ntfs3", 0, "" [pid 5845] <... close resumed>) = 0 [pid 5845] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5920 attached , child_tidptr=0x55557f708650) = 5920 [pid 5920] set_robust_list(0x55557f708660, 24) = 0 [ 105.577266][ T5918] loop0: detected capacity change from 0 to 4096 [pid 5920] chdir("./13" [pid 5917] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5920] <... chdir resumed>) = 0 [pid 5919] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5844] <... close resumed>) = 0 [pid 5920] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557f708650) = 5921 ./strace-static-x86_64: Process 5921 attached [pid 5920] <... prctl resumed>) = 0 [pid 5921] set_robust_list(0x55557f708660, 24 [pid 5920] setpgid(0, 0 [pid 5921] <... set_robust_list resumed>) = 0 [pid 5921] chdir("./14") = 0 [pid 5921] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5921] setpgid(0, 0) = 0 [pid 5917] sched_setaffinity(0, 0, NULL [pid 5921] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5917] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5921] <... openat resumed>) = 3 [pid 5917] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 5921] write(3, "1000", 4 [pid 5917] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5921] <... write resumed>) = 4 [pid 5917] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5921] close(3 [pid 5917] exit_group(0 [pid 5921] <... close resumed>) = 0 [pid 5917] <... exit_group resumed>) = ? [pid 5920] <... setpgid resumed>) = 0 [pid 5921] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5920] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC executing program [pid 5921] write(1, "executing program\n", 18) = 18 [pid 5920] <... openat resumed>) = 3 [pid 5920] write(3, "1000", 4executing program ) = 4 [pid 5918] <... mount resumed>) = 0 [pid 5917] +++ exited with 0 +++ [pid 5920] close(3 [pid 5921] memfd_create("syzkaller", 0 [pid 5920] <... close resumed>) = 0 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5917, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=15 /* 0.15 s */} --- [pid 5920] symlink("/dev/binderfs", "./binderfs" [pid 5918] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5920] <... symlink resumed>) = 0 [pid 5918] <... openat resumed>) = 3 [pid 5920] write(1, "executing program\n", 18 [pid 5918] chdir("./bus" [pid 5920] <... write resumed>) = 18 [pid 5918] <... chdir resumed>) = 0 [pid 5921] <... memfd_create resumed>) = 3 [pid 5846] umount2("./13", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5921] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5846] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5921] <... mmap resumed>) = 0x7f8e0a400000 [pid 5846] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5920] memfd_create("syzkaller", 0 [pid 5918] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5846] <... openat resumed>) = 3 [pid 5846] newfstatat(3, "", [pid 5918] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5846] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5920] <... memfd_create resumed>) = 3 [pid 5920] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5918] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5920] <... mmap resumed>) = 0x7f8e0a400000 [pid 5919] <... write resumed>) = 2097152 [pid 5846] getdents64(3, [pid 5918] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5846] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5918] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5846] umount2("./13/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5918] <... openat resumed>) = 4 [pid 5846] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5846] newfstatat(AT_FDCWD, "./13/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5919] munmap(0x7f8e0a400000, 138412032 [pid 5918] read(4, [pid 5846] unlink("./13/binderfs") = 0 [pid 5846] umount2("./13/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5919] <... munmap resumed>) = 0 [pid 5919] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5846] <... umount2 resumed>) = 0 [pid 5846] umount2("./13/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5846] newfstatat(AT_FDCWD, "./13/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5846] umount2("./13/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5846] openat(AT_FDCWD, "./13/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5919] ioctl(4, LOOP_SET_FD, 3 [pid 5846] <... openat resumed>) = 4 [pid 5846] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5846] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5846] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5846] close(4 [pid 5920] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5919] <... ioctl resumed>) = 0 [pid 5846] <... close resumed>) = 0 [pid 5846] rmdir("./13/bus" [pid 5919] close(3 [pid 5846] <... rmdir resumed>) = 0 [pid 5846] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5846] close(3) = 0 [pid 5846] rmdir("./13") = 0 [pid 5919] <... close resumed>) = 0 [pid 5846] mkdir("./14", 0777 [pid 5919] close(4) = 0 [pid 5919] mkdir("./bus", 0777) = 0 [pid 5846] <... mkdir resumed>) = 0 [pid 5921] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5846] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5919] mount("/dev/loop1", "./bus", "ntfs3", 0, "" [pid 5846] <... openat resumed>) = 3 [pid 5846] ioctl(3, LOOP_CLR_FD) = 0 [ 105.753667][ T5919] loop1: detected capacity change from 0 to 4096 [pid 5846] close(3 [pid 5919] <... mount resumed>) = 0 [pid 5919] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5919] chdir("./bus") = 0 [pid 5919] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5919] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5919] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5919] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 5919] read(4, [pid 5921] <... write resumed>) = 2097152 [pid 5920] <... write resumed>) = 2097152 [pid 5920] munmap(0x7f8e0a400000, 138412032 [pid 5846] <... close resumed>) = 0 [pid 5921] munmap(0x7f8e0a400000, 138412032 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5920] <... munmap resumed>) = 0 ./strace-static-x86_64: Process 5922 attached [pid 5922] set_robust_list(0x55557f708660, 24 [pid 5846] <... clone resumed>, child_tidptr=0x55557f708650) = 5922 [pid 5922] <... set_robust_list resumed>) = 0 [pid 5922] chdir("./14") = 0 [pid 5922] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5922] setpgid(0, 0 [pid 5920] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 5920] ioctl(4, LOOP_SET_FD, 3 [pid 5922] <... setpgid resumed>) = 0 [pid 5922] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5921] <... munmap resumed>) = 0 [pid 5922] <... openat resumed>) = 3 [pid 5922] write(3, "1000", 4 [pid 5921] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5922] <... write resumed>) = 4 [pid 5921] <... openat resumed>) = 4 [pid 5922] close(3 [pid 5921] ioctl(4, LOOP_SET_FD, 3 [pid 5922] <... close resumed>) = 0 [pid 5922] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5920] <... ioctl resumed>) = 0 executing program [pid 5922] write(1, "executing program\n", 18) = 18 [pid 5922] memfd_create("syzkaller", 0 [pid 5920] close(3) = 0 [pid 5920] close(4) = 0 [pid 5920] mkdir("./bus", 0777 [pid 5922] <... memfd_create resumed>) = 3 [pid 5920] <... mkdir resumed>) = 0 [pid 5920] mount("/dev/loop3", "./bus", "ntfs3", 0, "" [pid 5922] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 [pid 5921] <... ioctl resumed>) = 0 [pid 5921] close(3) = 0 [pid 5921] close(4) = 0 [ 105.925802][ T5920] loop3: detected capacity change from 0 to 4096 [ 105.933456][ T5921] loop2: detected capacity change from 0 to 4096 [pid 5921] mkdir("./bus", 0777) = 0 [pid 5920] <... mount resumed>) = 0 [pid 5921] mount("/dev/loop2", "./bus", "ntfs3", 0, "" [pid 5920] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5920] chdir("./bus") = 0 [pid 5920] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5920] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5920] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5920] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 5922] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5920] read(4, [pid 5921] <... mount resumed>) = 0 [pid 5921] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5921] chdir("./bus") = 0 [pid 5921] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5921] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5921] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5921] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 5921] read(4, [pid 5922] <... write resumed>) = 2097152 [pid 5922] munmap(0x7f8e0a400000, 138412032) = 0 [pid 5922] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 5922] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5922] close(3) = 0 [pid 5922] close(4) = 0 [pid 5922] mkdir("./bus", 0777) = 0 [ 106.278733][ T5922] loop4: detected capacity change from 0 to 4096 [pid 5922] mount("/dev/loop4", "./bus", "ntfs3", 0, "") = 0 [pid 5922] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5922] chdir("./bus") = 0 [pid 5922] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5922] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5922] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5922] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 5922] read(4, [pid 5921] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5921] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5921] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 5921] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 5921] exit_group(0) = ? [pid 5921] +++ exited with 0 +++ [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5921, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 5844] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5844] umount2("./14", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5844] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5844] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5844] umount2("./14/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] newfstatat(AT_FDCWD, "./14/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] unlink("./14/binderfs") = 0 [pid 5844] umount2("./14/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 5844] umount2("./14/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] newfstatat(AT_FDCWD, "./14/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] umount2("./14/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] openat(AT_FDCWD, "./14/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5844] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5844] getdents64(4, [pid 5918] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5918] sched_setaffinity(0, 0, NULL [pid 5844] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5918] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5844] getdents64(4, [pid 5918] rename(NULL, NULL [pid 5844] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5918] <... rename resumed>) = -1 EFAULT (Bad address) [pid 5844] close(4 [pid 5918] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 5844] <... close resumed>) = 0 [pid 5844] rmdir("./14/bus" [pid 5918] exit_group(0) = ? [pid 5844] <... rmdir resumed>) = 0 [pid 5918] +++ exited with 0 +++ [pid 5844] getdents64(3, [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5918, si_uid=0, si_status=0, si_utime=0, si_stime=26 /* 0.26 s */} --- [pid 5844] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5842] restart_syscall(<... resuming interrupted clone ...> [pid 5844] close(3) = 0 [pid 5844] rmdir("./14" [pid 5842] <... restart_syscall resumed>) = 0 [pid 5844] <... rmdir resumed>) = 0 [pid 5844] mkdir("./15", 0777 [pid 5842] umount2("./12", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] <... mkdir resumed>) = 0 [pid 5844] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5842] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5842] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5842] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5842] umount2("./12/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./12/binderfs", [pid 5844] <... openat resumed>) = 3 [pid 5844] ioctl(3, LOOP_CLR_FD) = 0 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] close(3 [pid 5842] unlink("./12/binderfs") = 0 [pid 5842] umount2("./12/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5922] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5922] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5922] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 5922] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 5922] exit_group(0) = ? [pid 5922] +++ exited with 0 +++ [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5922, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5919] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5846] umount2("./14", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5844] <... close resumed>) = 0 [pid 5842] <... umount2 resumed>) = 0 [pid 5846] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] umount2("./12/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5846] openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./12/bus", [pid 5919] sched_setaffinity(0, 0, NULL [pid 5846] <... openat resumed>) = 3 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5919] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5842] umount2("./12/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5919] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 5919] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 5919] exit_group(0) = ? ./strace-static-x86_64: Process 5923 attached [pid 5919] +++ exited with 0 +++ [pid 5846] newfstatat(3, "", [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5846] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5842] openat(AT_FDCWD, "./12/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5843] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5919, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=27 /* 0.27 s */} --- [pid 5923] set_robust_list(0x55557f708660, 24 [pid 5842] <... openat resumed>) = 4 [pid 5846] getdents64(3, [pid 5923] <... set_robust_list resumed>) = 0 [pid 5846] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5843] umount2("./13", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] newfstatat(4, "", [pid 5844] <... clone resumed>, child_tidptr=0x55557f708650) = 5923 [pid 5846] umount2("./14/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5846] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5846] newfstatat(AT_FDCWD, "./14/binderfs", [pid 5843] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5842] getdents64(4, [pid 5846] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5846] unlink("./14/binderfs" [pid 5843] <... openat resumed>) = 3 [pid 5842] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5923] chdir("./15" [pid 5842] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5923] <... chdir resumed>) = 0 [pid 5846] <... unlink resumed>) = 0 [pid 5843] newfstatat(3, "", [pid 5842] close(4 [pid 5923] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5846] umount2("./14/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5923] <... prctl resumed>) = 0 [pid 5843] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5842] <... close resumed>) = 0 [pid 5923] setpgid(0, 0 [pid 5843] getdents64(3, [pid 5842] rmdir("./12/bus" [pid 5923] <... setpgid resumed>) = 0 [pid 5842] <... rmdir resumed>) = 0 [pid 5846] <... umount2 resumed>) = 0 [pid 5923] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5846] umount2("./14/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5843] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5842] getdents64(3, [pid 5923] <... openat resumed>) = 3 [pid 5842] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5843] umount2("./13/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] close(3 [pid 5923] write(3, "1000", 4 [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5923] <... write resumed>) = 4 [pid 5842] <... close resumed>) = 0 [pid 5843] newfstatat(AT_FDCWD, "./13/binderfs", [pid 5923] close(3 [pid 5846] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] rmdir("./12" [pid 5923] <... close resumed>) = 0 [pid 5846] newfstatat(AT_FDCWD, "./14/bus", [pid 5842] <... rmdir resumed>) = 0 [pid 5923] symlink("/dev/binderfs", "./binderfs" [pid 5846] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] mkdir("./13", 0777 [pid 5923] <... symlink resumed>) = 0 [pid 5846] umount2("./14/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5843] unlink("./13/binderfs" [pid 5842] <... mkdir resumed>) = 0 [pid 5846] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] <... unlink resumed>) = 0 executing program [pid 5923] write(1, "executing program\n", 18 [pid 5920] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5846] openat(AT_FDCWD, "./14/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5843] umount2("./13/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5923] <... write resumed>) = 18 [pid 5920] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5842] <... openat resumed>) = 3 [pid 5846] <... openat resumed>) = 4 [pid 5920] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 5920] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 5920] exit_group(0) = ? [pid 5923] memfd_create("syzkaller", 0 [pid 5846] newfstatat(4, "", [pid 5843] <... umount2 resumed>) = 0 [pid 5842] ioctl(3, LOOP_CLR_FD [pid 5846] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5842] <... ioctl resumed>) = 0 [pid 5846] getdents64(4, [pid 5842] close(3 [pid 5846] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5923] <... memfd_create resumed>) = 3 [pid 5846] getdents64(4, [pid 5843] umount2("./13/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5923] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5920] +++ exited with 0 +++ [pid 5846] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5923] <... mmap resumed>) = 0x7f8e0a400000 [pid 5846] close(4 [pid 5843] newfstatat(AT_FDCWD, "./13/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5846] <... close resumed>) = 0 [pid 5845] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5920, si_uid=0, si_status=0, si_utime=0, si_stime=26 /* 0.26 s */} --- [pid 5845] umount2("./13", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5845] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5845] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5845] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5845] umount2("./13/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5845] newfstatat(AT_FDCWD, "./13/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5845] unlink("./13/binderfs" [pid 5846] rmdir("./14/bus" [pid 5845] <... unlink resumed>) = 0 [pid 5843] umount2("./13/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5845] umount2("./13/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5846] <... rmdir resumed>) = 0 [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5846] getdents64(3, [pid 5843] openat(AT_FDCWD, "./13/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5846] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5846] close(3 [pid 5843] <... openat resumed>) = 4 [pid 5846] <... close resumed>) = 0 [pid 5845] <... umount2 resumed>) = 0 [pid 5843] newfstatat(4, "", [pid 5846] rmdir("./14" [pid 5843] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5846] <... rmdir resumed>) = 0 [pid 5843] getdents64(4, [pid 5846] mkdir("./15", 0777 [pid 5843] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5845] umount2("./13/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5845] newfstatat(AT_FDCWD, "./13/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5846] <... mkdir resumed>) = 0 [pid 5845] umount2("./13/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5843] getdents64(4, [pid 5846] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5843] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5846] <... openat resumed>) = 3 [pid 5845] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] close(4 [pid 5846] ioctl(3, LOOP_CLR_FD [pid 5845] openat(AT_FDCWD, "./13/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5843] <... close resumed>) = 0 [pid 5846] <... ioctl resumed>) = 0 [pid 5846] close(3 [pid 5845] <... openat resumed>) = 4 [pid 5843] rmdir("./13/bus" [pid 5845] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5845] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5845] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5845] close(4) = 0 [pid 5845] rmdir("./13/bus") = 0 [pid 5845] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5845] close(3) = 0 [pid 5845] rmdir("./13") = 0 [pid 5842] <... close resumed>) = 0 [pid 5843] <... rmdir resumed>) = 0 [pid 5845] mkdir("./14", 0777 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5843] getdents64(3, [pid 5845] <... mkdir resumed>) = 0 [pid 5842] <... clone resumed>, child_tidptr=0x55557f708650) = 5924 [pid 5845] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5845] ioctl(3, LOOP_CLR_FD) = 0 [pid 5845] close(3 [pid 5843] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5923] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152./strace-static-x86_64: Process 5924 attached [pid 5843] close(3) = 0 [pid 5924] set_robust_list(0x55557f708660, 24 [pid 5843] rmdir("./13") = 0 [pid 5924] <... set_robust_list resumed>) = 0 [pid 5843] mkdir("./14", 0777 [pid 5924] chdir("./13" [pid 5843] <... mkdir resumed>) = 0 [pid 5843] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5924] <... chdir resumed>) = 0 [pid 5846] <... close resumed>) = 0 [pid 5924] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5843] <... openat resumed>) = 3 [pid 5924] <... prctl resumed>) = 0 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5843] ioctl(3, LOOP_CLR_FD [pid 5924] setpgid(0, 0) = 0 [pid 5843] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 5925 attached [pid 5924] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5845] <... close resumed>) = 0 [pid 5843] close(3 [pid 5924] <... openat resumed>) = 3 [pid 5846] <... clone resumed>, child_tidptr=0x55557f708650) = 5925 [pid 5925] set_robust_list(0x55557f708660, 24 [pid 5845] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5925] <... set_robust_list resumed>) = 0 [pid 5925] chdir("./15") = 0 [pid 5925] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5925] setpgid(0, 0) = 0 [pid 5925] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5845] <... clone resumed>, child_tidptr=0x55557f708650) = 5926 executing program [pid 5925] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5926 attached [pid 5924] write(3, "1000", 4 [pid 5923] <... write resumed>) = 2097152 [pid 5924] <... write resumed>) = 4 [pid 5926] set_robust_list(0x55557f708660, 24 [pid 5924] close(3 [pid 5923] munmap(0x7f8e0a400000, 138412032 [pid 5843] <... close resumed>) = 0 [pid 5926] <... set_robust_list resumed>) = 0 [pid 5924] <... close resumed>) = 0 [pid 5925] write(3, "1000", 4) = 4 [pid 5925] close(3) = 0 [pid 5925] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5925] write(1, "executing program\n", 18) = 18 [pid 5924] symlink("/dev/binderfs", "./binderfs" [pid 5926] chdir("./14" [pid 5923] <... munmap resumed>) = 0 executing program [pid 5926] <... chdir resumed>) = 0 [pid 5924] <... symlink resumed>) = 0 [pid 5926] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5924] write(1, "executing program\n", 18 [pid 5926] <... prctl resumed>) = 0 [pid 5924] <... write resumed>) = 18 [pid 5926] setpgid(0, 0 [pid 5925] memfd_create("syzkaller", 0 [pid 5926] <... setpgid resumed>) = 0 [pid 5924] memfd_create("syzkaller", 0 [pid 5923] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5843] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5926] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5925] <... memfd_create resumed>) = 3 [pid 5924] <... memfd_create resumed>) = 3 [pid 5923] <... openat resumed>) = 4 [pid 5926] <... openat resumed>) = 3 [pid 5924] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5923] ioctl(4, LOOP_SET_FD, 3 [pid 5925] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 ./strace-static-x86_64: Process 5927 attached [pid 5926] write(3, "1000", 4 [pid 5924] <... mmap resumed>) = 0x7f8e0a400000 [pid 5843] <... clone resumed>, child_tidptr=0x55557f708650) = 5927 [pid 5927] set_robust_list(0x55557f708660, 24 [pid 5926] <... write resumed>) = 4 [pid 5927] <... set_robust_list resumed>) = 0 [pid 5926] close(3 [pid 5927] chdir("./14" [pid 5926] <... close resumed>) = 0 [pid 5927] <... chdir resumed>) = 0 [pid 5926] symlink("/dev/binderfs", "./binderfs" [pid 5927] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5926] <... symlink resumed>) = 0 [pid 5927] setpgid(0, 0 [pid 5926] write(1, "executing program\n", 18executing program ) = 18 [pid 5927] <... setpgid resumed>) = 0 [pid 5926] memfd_create("syzkaller", 0 [pid 5923] <... ioctl resumed>) = 0 [pid 5923] close(3 [pid 5927] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5926] <... memfd_create resumed>) = 3 [pid 5923] <... close resumed>) = 0 [pid 5927] <... openat resumed>) = 3 [pid 5926] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5923] close(4) = 0 [pid 5923] mkdir("./bus", 0777 [pid 5926] <... mmap resumed>) = 0x7f8e0a400000 [pid 5923] <... mkdir resumed>) = 0 [pid 5923] mount("/dev/loop2", "./bus", "ntfs3", 0, "" [pid 5927] write(3, "1000", 4) = 4 [pid 5927] close(3) = 0 [pid 5927] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5927] write(1, "executing program\n", 18) = 18 [ 107.016963][ T5923] loop2: detected capacity change from 0 to 4096 [pid 5927] memfd_create("syzkaller", 0) = 3 [pid 5927] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5925] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5927] <... mmap resumed>) = 0x7f8e0a400000 [pid 5926] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5924] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5923] <... mount resumed>) = 0 [pid 5923] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5923] chdir("./bus") = 0 [pid 5923] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5923] sched_setaffinity(0, 0, NULL [pid 5925] <... write resumed>) = 2097152 [pid 5925] munmap(0x7f8e0a400000, 138412032 [pid 5927] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5925] <... munmap resumed>) = 0 [pid 5923] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5926] <... write resumed>) = 2097152 [pid 5924] <... write resumed>) = 2097152 [pid 5923] sched_setscheduler(0, SCHED_RR, NULL [pid 5926] munmap(0x7f8e0a400000, 138412032 [pid 5925] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5924] munmap(0x7f8e0a400000, 138412032 [pid 5923] <... sched_setscheduler resumed>) = -1 EINVAL (Invalid argument) [pid 5926] <... munmap resumed>) = 0 [pid 5925] <... openat resumed>) = 4 [pid 5924] <... munmap resumed>) = 0 [pid 5923] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 5925] ioctl(4, LOOP_SET_FD, 3 [pid 5926] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5925] <... ioctl resumed>) = 0 [pid 5924] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5923] read(4, [pid 5926] <... openat resumed>) = 4 [pid 5926] ioctl(4, LOOP_SET_FD, 3 [pid 5924] <... openat resumed>) = 4 [pid 5927] <... write resumed>) = 2097152 [pid 5926] <... ioctl resumed>) = 0 [pid 5925] close(3 [pid 5924] ioctl(4, LOOP_SET_FD, 3 [pid 5926] close(3 [pid 5925] <... close resumed>) = 0 [pid 5925] close(4 [pid 5926] <... close resumed>) = 0 [pid 5927] munmap(0x7f8e0a400000, 138412032 [pid 5925] <... close resumed>) = 0 [pid 5924] <... ioctl resumed>) = 0 [pid 5925] mkdir("./bus", 0777 [pid 5926] close(4) = 0 [pid 5924] close(3 [pid 5926] mkdir("./bus", 0777 [pid 5924] <... close resumed>) = 0 [pid 5926] <... mkdir resumed>) = 0 [pid 5924] close(4 [pid 5927] <... munmap resumed>) = 0 [pid 5926] mount("/dev/loop3", "./bus", "ntfs3", 0, "" [pid 5924] <... close resumed>) = 0 [pid 5925] <... mkdir resumed>) = 0 [pid 5924] mkdir("./bus", 0777 [pid 5925] mount("/dev/loop4", "./bus", "ntfs3", 0, "" [pid 5924] <... mkdir resumed>) = 0 [pid 5924] mount("/dev/loop0", "./bus", "ntfs3", 0, "" [pid 5927] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [ 107.189403][ T5925] loop4: detected capacity change from 0 to 4096 [ 107.199100][ T5926] loop3: detected capacity change from 0 to 4096 [ 107.209710][ T5924] loop0: detected capacity change from 0 to 4096 [pid 5927] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5925] <... mount resumed>) = 0 [pid 5925] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5927] close(3 [pid 5925] <... openat resumed>) = 3 [pid 5927] <... close resumed>) = 0 [pid 5927] close(4 [pid 5925] chdir("./bus" [pid 5927] <... close resumed>) = 0 [pid 5925] <... chdir resumed>) = 0 [pid 5927] mkdir("./bus", 0777) = 0 [pid 5925] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5927] mount("/dev/loop1", "./bus", "ntfs3", 0, "" [pid 5926] <... mount resumed>) = 0 [pid 5925] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5925] sched_setaffinity(0, 0, NULL [pid 5926] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5925] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5925] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5925] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5926] <... openat resumed>) = 3 [pid 5926] chdir("./bus") = 0 [pid 5926] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5926] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5926] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5926] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 5926] read(4, [pid 5925] <... openat resumed>) = 4 [pid 5925] read(4, [pid 5924] <... mount resumed>) = 0 [ 107.252186][ T5927] loop1: detected capacity change from 0 to 4096 [pid 5924] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5924] chdir("./bus") = 0 [pid 5924] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5924] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5924] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5924] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 5924] read(4, [pid 5927] <... mount resumed>) = 0 [pid 5927] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5927] chdir("./bus") = 0 [pid 5927] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5927] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5927] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5927] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 5927] read(4, [pid 5925] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5925] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5925] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 5925] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 5925] exit_group(0) = ? [pid 5925] +++ exited with 0 +++ [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5925, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 5846] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5846] umount2("./15", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5846] openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5846] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5846] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5846] umount2("./15/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5846] newfstatat(AT_FDCWD, "./15/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5846] unlink("./15/binderfs") = 0 [pid 5846] umount2("./15/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 5846] umount2("./15/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5846] newfstatat(AT_FDCWD, "./15/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5846] umount2("./15/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5846] openat(AT_FDCWD, "./15/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5846] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5846] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5846] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5846] close(4) = 0 [pid 5846] rmdir("./15/bus") = 0 [pid 5846] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5846] close(3 [pid 5924] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5846] <... close resumed>) = 0 [pid 5924] sched_setaffinity(0, 0, NULL [pid 5846] rmdir("./15" [pid 5924] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5924] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 5846] <... rmdir resumed>) = 0 [pid 5924] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 5924] exit_group(0 [pid 5846] mkdir("./16", 0777 [pid 5924] <... exit_group resumed>) = ? [pid 5846] <... mkdir resumed>) = 0 [pid 5846] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5846] ioctl(3, LOOP_CLR_FD) = 0 [pid 5924] +++ exited with 0 +++ [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5924, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=18 /* 0.18 s */} --- [pid 5846] close(3 [pid 5842] umount2("./13", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5842] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5842] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5842] umount2("./13/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./13/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] unlink("./13/binderfs") = 0 [pid 5842] umount2("./13/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5923] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5842] <... umount2 resumed>) = 0 [pid 5842] umount2("./13/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5927] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5923] sched_setaffinity(0, 0, NULL [pid 5846] <... close resumed>) = 0 [pid 5923] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5923] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5923] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 5842] newfstatat(AT_FDCWD, "./13/bus", [pid 5927] sched_setaffinity(0, 0, NULL [pid 5923] exit_group(0 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5923] <... exit_group resumed>) = ? [pid 5927] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5842] umount2("./13/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5927] rename(NULL, NULL [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5927] <... rename resumed>) = -1 EFAULT (Bad address) [pid 5842] openat(AT_FDCWD, "./13/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5927] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5842] <... openat resumed>) = 4 [pid 5927] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5842] newfstatat(4, "", [pid 5927] exit_group(0 [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5927] <... exit_group resumed>) = ? [pid 5842] getdents64(4, ./strace-static-x86_64: Process 5928 attached [pid 5927] +++ exited with 0 +++ [pid 5923] +++ exited with 0 +++ [pid 5846] <... clone resumed>, child_tidptr=0x55557f708650) = 5928 [pid 5842] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5843] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5927, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=17 /* 0.17 s */} --- [pid 5842] getdents64(4, [pid 5843] restart_syscall(<... resuming interrupted clone ...> [pid 5842] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5842] close(4 [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5923, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=20 /* 0.20 s */} --- [pid 5843] <... restart_syscall resumed>) = 0 [pid 5842] <... close resumed>) = 0 [pid 5844] umount2("./15", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] rmdir("./13/bus" [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] umount2("./14", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5844] openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] <... rmdir resumed>) = 0 [pid 5844] <... openat resumed>) = 3 [pid 5843] openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5928] set_robust_list(0x55557f708660, 24 [pid 5843] <... openat resumed>) = 3 [pid 5843] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5844] newfstatat(3, "", [pid 5843] getdents64(3, [pid 5928] <... set_robust_list resumed>) = 0 [pid 5844] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5843] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5842] getdents64(3, [pid 5928] chdir("./16" [pid 5844] getdents64(3, [pid 5843] umount2("./14/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5928] <... chdir resumed>) = 0 [pid 5844] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] newfstatat(AT_FDCWD, "./14/binderfs", [pid 5842] close(3 [pid 5928] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5844] umount2("./15/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5843] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] <... close resumed>) = 0 [pid 5928] <... prctl resumed>) = 0 [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] unlink("./14/binderfs" [pid 5928] setpgid(0, 0 [pid 5844] newfstatat(AT_FDCWD, "./15/binderfs", [pid 5843] <... unlink resumed>) = 0 [pid 5842] rmdir("./13" [pid 5928] <... setpgid resumed>) = 0 [pid 5844] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] umount2("./14/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] <... rmdir resumed>) = 0 [pid 5928] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5844] unlink("./15/binderfs" [pid 5928] <... openat resumed>) = 3 [pid 5842] mkdir("./14", 0777 [pid 5844] <... unlink resumed>) = 0 [pid 5842] <... mkdir resumed>) = 0 [pid 5844] umount2("./15/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5928] write(3, "1000", 4 [pid 5843] <... umount2 resumed>) = 0 [pid 5928] <... write resumed>) = 4 executing program [pid 5843] umount2("./14/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5928] close(3) = 0 [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] <... openat resumed>) = 3 [pid 5928] symlink("/dev/binderfs", "./binderfs" [pid 5844] <... umount2 resumed>) = 0 [pid 5843] newfstatat(AT_FDCWD, "./14/bus", [pid 5928] <... symlink resumed>) = 0 [pid 5843] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5928] write(1, "executing program\n", 18 [pid 5843] umount2("./14/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5928] <... write resumed>) = 18 [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5844] umount2("./15/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] ioctl(3, LOOP_CLR_FD [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] <... ioctl resumed>) = 0 [pid 5844] newfstatat(AT_FDCWD, "./15/bus", [pid 5842] close(3 [pid 5844] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5928] memfd_create("syzkaller", 0 [pid 5843] openat(AT_FDCWD, "./14/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5928] <... memfd_create resumed>) = 3 [pid 5844] umount2("./15/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5928] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] newfstatat(4, "", [pid 5928] <... mmap resumed>) = 0x7f8e0a400000 [pid 5844] openat(AT_FDCWD, "./15/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5843] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5844] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5844] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5843] getdents64(4, [pid 5844] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5844] close(4) = 0 [pid 5844] rmdir("./15/bus") = 0 [pid 5843] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5843] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5844] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5844] close(3) = 0 [pid 5844] rmdir("./15") = 0 [pid 5844] mkdir("./16", 0777) = 0 [pid 5844] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5844] ioctl(3, LOOP_CLR_FD) = 0 [pid 5843] close(4 [pid 5844] close(3 [pid 5843] <... close resumed>) = 0 [pid 5843] rmdir("./14/bus") = 0 [pid 5843] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5843] close(3) = 0 [pid 5843] rmdir("./14") = 0 [pid 5843] mkdir("./15", 0777) = 0 [pid 5843] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5843] ioctl(3, LOOP_CLR_FD) = 0 [pid 5843] 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 5929 attached [pid 5929] set_robust_list(0x55557f708660, 24 [pid 5928] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5926] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5843] <... close resumed>) = 0 [pid 5842] <... clone resumed>, child_tidptr=0x55557f708650) = 5929 [pid 5929] <... set_robust_list resumed>) = 0 [pid 5926] sched_setaffinity(0, 0, NULL [pid 5843] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5929] chdir("./14" [pid 5926] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5926] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 5844] <... close resumed>) = 0 [pid 5929] <... chdir resumed>) = 0 [pid 5926] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5930 attached , child_tidptr=0x55557f708650) = 5930 [pid 5930] set_robust_list(0x55557f708660, 24) = 0 [pid 5930] chdir("./16") = 0 [pid 5930] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5930] setpgid(0, 0) = 0 [pid 5930] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 5931 attached [pid 5929] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5928] <... write resumed>) = 2097152 [pid 5926] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5929] <... prctl resumed>) = 0 [pid 5931] set_robust_list(0x55557f708660, 24 [pid 5930] <... openat resumed>) = 3 [pid 5931] <... set_robust_list resumed>) = 0 [pid 5929] setpgid(0, 0 [pid 5928] munmap(0x7f8e0a400000, 138412032 [pid 5926] exit_group(0 [pid 5843] <... clone resumed>, child_tidptr=0x55557f708650) = 5931 [pid 5929] <... setpgid resumed>) = 0 [pid 5929] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5926] <... exit_group resumed>) = ? [pid 5931] chdir("./15") = 0 [pid 5931] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5930] write(3, "1000", 4) = 4 [pid 5931] setpgid(0, 0 [pid 5930] close(3 [pid 5931] <... setpgid resumed>) = 0 [pid 5930] <... close resumed>) = 0 [pid 5931] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5930] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5926] +++ exited with 0 +++ executing program [pid 5931] <... openat resumed>) = 3 [pid 5930] write(1, "executing program\n", 18 [pid 5929] <... openat resumed>) = 3 [pid 5928] <... munmap resumed>) = 0 [pid 5929] write(3, "1000", 4 [pid 5845] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5926, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=16 /* 0.16 s */} --- [pid 5931] write(3, "1000", 4 [pid 5930] <... write resumed>) = 18 [pid 5929] <... write resumed>) = 4 [pid 5928] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5845] restart_syscall(<... resuming interrupted clone ...> [pid 5930] memfd_create("syzkaller", 0 [pid 5929] close(3 [pid 5928] <... openat resumed>) = 4 [pid 5845] <... restart_syscall resumed>) = 0 [pid 5931] <... write resumed>) = 4 [pid 5931] close(3) = 0 [pid 5931] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 5931] write(1, "executing program\n", 18) = 18 [pid 5931] memfd_create("syzkaller", 0 [pid 5930] <... memfd_create resumed>) = 3 [pid 5931] <... memfd_create resumed>) = 3 [pid 5931] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 [pid 5930] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5929] <... close resumed>) = 0 [pid 5928] ioctl(4, LOOP_SET_FD, 3 [pid 5930] <... mmap resumed>) = 0x7f8e0a400000 [pid 5929] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 5928] <... ioctl resumed>) = 0 [pid 5845] umount2("./14", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5929] write(1, "executing program\n", 18 [pid 5845] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5929] <... write resumed>) = 18 [pid 5845] openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5929] memfd_create("syzkaller", 0 [pid 5845] newfstatat(3, "", [pid 5929] <... memfd_create resumed>) = 3 [pid 5928] close(3 [pid 5929] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5845] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5928] <... close resumed>) = 0 [pid 5929] <... mmap resumed>) = 0x7f8e0a400000 [pid 5928] close(4 [pid 5845] getdents64(3, [pid 5928] <... close resumed>) = 0 [pid 5928] mkdir("./bus", 0777 [pid 5845] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5930] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5928] <... mkdir resumed>) = 0 [pid 5845] umount2("./14/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5928] mount("/dev/loop4", "./bus", "ntfs3", 0, "" [pid 5845] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5845] newfstatat(AT_FDCWD, "./14/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5845] unlink("./14/binderfs") = 0 [pid 5845] umount2("./14/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 5845] umount2("./14/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5845] newfstatat(AT_FDCWD, "./14/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5845] umount2("./14/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 108.255941][ T5928] loop4: detected capacity change from 0 to 4096 [pid 5845] openat(AT_FDCWD, "./14/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5931] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5929] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5845] <... openat resumed>) = 4 [pid 5845] newfstatat(4, "", [pid 5930] <... write resumed>) = 2097152 [pid 5928] <... mount resumed>) = 0 [pid 5845] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5930] munmap(0x7f8e0a400000, 138412032) = 0 [pid 5929] <... write resumed>) = 2097152 [pid 5928] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5930] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5929] munmap(0x7f8e0a400000, 138412032 [pid 5928] <... openat resumed>) = 3 [pid 5931] <... write resumed>) = 2097152 [pid 5930] <... openat resumed>) = 4 [pid 5929] <... munmap resumed>) = 0 [pid 5845] getdents64(4, [pid 5931] munmap(0x7f8e0a400000, 138412032 [pid 5930] ioctl(4, LOOP_SET_FD, 3 [pid 5929] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5928] chdir("./bus" [pid 5845] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5930] <... ioctl resumed>) = 0 [pid 5928] <... chdir resumed>) = 0 [pid 5928] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5929] <... openat resumed>) = 4 [pid 5928] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5845] getdents64(4, [pid 5928] sched_setaffinity(0, 0, NULL [pid 5929] ioctl(4, LOOP_SET_FD, 3 [pid 5928] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5845] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5845] close(4 [pid 5928] sched_setscheduler(0, SCHED_RR, NULL [pid 5845] <... close resumed>) = 0 [pid 5928] <... sched_setscheduler resumed>) = -1 EINVAL (Invalid argument) [pid 5928] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 5928] read(4, [pid 5930] close(3 [pid 5931] <... munmap resumed>) = 0 [pid 5929] <... ioctl resumed>) = 0 [pid 5845] rmdir("./14/bus" [pid 5931] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5930] <... close resumed>) = 0 [pid 5929] close(3 [pid 5845] <... rmdir resumed>) = 0 [pid 5931] <... openat resumed>) = 4 [pid 5929] <... close resumed>) = 0 [pid 5930] close(4 [pid 5929] close(4 [pid 5931] ioctl(4, LOOP_SET_FD, 3 [pid 5930] <... close resumed>) = 0 [pid 5930] mkdir("./bus", 0777 [pid 5931] <... ioctl resumed>) = 0 [pid 5929] <... close resumed>) = 0 [pid 5845] getdents64(3, [pid 5930] <... mkdir resumed>) = 0 [pid 5845] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5929] mkdir("./bus", 0777 [pid 5845] close(3 [pid 5930] mount("/dev/loop2", "./bus", "ntfs3", 0, "" [pid 5845] <... close resumed>) = 0 [pid 5845] rmdir("./14") = 0 [pid 5845] mkdir("./15", 0777) = 0 [pid 5845] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5845] ioctl(3, LOOP_CLR_FD [pid 5929] <... mkdir resumed>) = 0 [pid 5845] <... ioctl resumed>) = 0 [pid 5929] mount("/dev/loop0", "./bus", "ntfs3", 0, "" [pid 5845] close(3 [pid 5931] close(3) = 0 [pid 5931] close(4) = 0 [pid 5931] mkdir("./bus", 0777) = 0 [ 108.387028][ T5930] loop2: detected capacity change from 0 to 4096 [ 108.398884][ T5929] loop0: detected capacity change from 0 to 4096 [ 108.416808][ T5931] loop1: detected capacity change from 0 to 4096 [pid 5931] mount("/dev/loop1", "./bus", "ntfs3", 0, "" [pid 5845] <... close resumed>) = 0 [pid 5845] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5932 attached [pid 5932] set_robust_list(0x55557f708660, 24 [pid 5931] <... mount resumed>) = 0 [pid 5930] <... mount resumed>) = 0 [pid 5932] <... set_robust_list resumed>) = 0 [pid 5930] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5932] chdir("./15" [pid 5931] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5845] <... clone resumed>, child_tidptr=0x55557f708650) = 5932 [pid 5931] <... openat resumed>) = 3 [pid 5932] <... chdir resumed>) = 0 [pid 5931] chdir("./bus") = 0 [pid 5931] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5930] <... openat resumed>) = 3 [pid 5932] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5931] sched_setaffinity(0, 0, NULL [pid 5932] <... prctl resumed>) = 0 [pid 5931] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5932] setpgid(0, 0 [pid 5930] chdir("./bus" [pid 5931] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5931] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 5932] <... setpgid resumed>) = 0 [pid 5932] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5931] read(4, [pid 5930] <... chdir resumed>) = 0 [pid 5932] <... openat resumed>) = 3 [pid 5930] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5929] <... mount resumed>) = 0 [pid 5932] write(3, "1000", 4 [pid 5930] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5929] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5930] sched_setaffinity(0, 0, NULL [pid 5932] <... write resumed>) = 4 [pid 5930] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5929] <... openat resumed>) = 3 [pid 5930] sched_setscheduler(0, SCHED_RR, NULL [pid 5929] chdir("./bus" [pid 5930] <... sched_setscheduler resumed>) = -1 EINVAL (Invalid argument) [pid 5932] close(3 [pid 5930] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5929] <... chdir resumed>) = 0 [pid 5932] <... close resumed>) = 0 [pid 5930] <... openat resumed>) = 4 [pid 5929] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5932] symlink("/dev/binderfs", "./binderfs" [pid 5930] read(4, [pid 5929] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5932] <... symlink resumed>) = 0 executing program [pid 5932] write(1, "executing program\n", 18) = 18 [pid 5929] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5932] memfd_create("syzkaller", 0) = 3 [pid 5929] sched_setscheduler(0, SCHED_RR, NULL [pid 5932] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 [pid 5929] <... sched_setscheduler resumed>) = -1 EINVAL (Invalid argument) [pid 5929] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 5929] read(4, [pid 5932] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5932] munmap(0x7f8e0a400000, 138412032) = 0 [pid 5932] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 5932] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5932] close(3) = 0 [pid 5932] close(4) = 0 [pid 5932] mkdir("./bus", 0777) = 0 [ 108.752258][ T5932] loop3: detected capacity change from 0 to 4096 [pid 5932] mount("/dev/loop3", "./bus", "ntfs3", 0, "") = 0 [pid 5932] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5930] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5932] chdir("./bus") = 0 [pid 5932] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5932] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5932] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5932] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 5932] read(4, [pid 5930] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5930] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 5930] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 5930] exit_group(0) = ? [pid 5928] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5928] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5928] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 5928] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 5928] exit_group(0) = ? [pid 5930] +++ exited with 0 +++ [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5930, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 5844] restart_syscall(<... resuming interrupted clone ...> [pid 5928] +++ exited with 0 +++ [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5928, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 5846] restart_syscall(<... resuming interrupted clone ...> [pid 5844] <... restart_syscall resumed>) = 0 [pid 5846] <... restart_syscall resumed>) = 0 [pid 5844] umount2("./16", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5846] umount2("./16", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5846] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5846] openat(AT_FDCWD, "./16", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5846] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5846] getdents64(3, [pid 5844] openat(AT_FDCWD, "./16", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5846] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5844] <... openat resumed>) = 3 [pid 5844] newfstatat(3, "", [pid 5846] umount2("./16/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5844] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5846] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5844] getdents64(3, [pid 5846] newfstatat(AT_FDCWD, "./16/binderfs", [pid 5844] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5846] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] umount2("./16/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5846] unlink("./16/binderfs" [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5846] <... unlink resumed>) = 0 [pid 5844] newfstatat(AT_FDCWD, "./16/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] unlink("./16/binderfs" [pid 5846] umount2("./16/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5844] <... unlink resumed>) = 0 [pid 5846] <... umount2 resumed>) = 0 [pid 5844] umount2("./16/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5846] umount2("./16/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5846] newfstatat(AT_FDCWD, "./16/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5846] umount2("./16/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] <... umount2 resumed>) = 0 [pid 5846] openat(AT_FDCWD, "./16/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5846] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5846] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5846] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5846] close(4) = 0 [pid 5844] umount2("./16/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5846] rmdir("./16/bus" [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5846] <... rmdir resumed>) = 0 [pid 5844] newfstatat(AT_FDCWD, "./16/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] umount2("./16/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] openat(AT_FDCWD, "./16/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5846] getdents64(3, [pid 5844] <... openat resumed>) = 4 [pid 5844] newfstatat(4, "", [pid 5846] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5844] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5846] close(3 [pid 5844] getdents64(4, [pid 5846] <... close resumed>) = 0 [pid 5844] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5846] rmdir("./16" [pid 5844] getdents64(4, [pid 5846] <... rmdir resumed>) = 0 [pid 5844] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5844] close(4) = 0 [pid 5844] rmdir("./16/bus" [pid 5846] mkdir("./17", 0777 [pid 5844] <... rmdir resumed>) = 0 [pid 5846] <... mkdir resumed>) = 0 [pid 5846] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5844] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5846] ioctl(3, LOOP_CLR_FD [pid 5844] close(3 [pid 5846] <... ioctl resumed>) = 0 [pid 5844] <... close resumed>) = 0 [pid 5846] close(3 [pid 5844] rmdir("./16") = 0 [pid 5844] mkdir("./17", 0777 [pid 5846] <... close resumed>) = 0 [pid 5844] <... mkdir resumed>) = 0 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5933 attached [pid 5929] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5844] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5933] set_robust_list(0x55557f708660, 24 [pid 5929] sched_setaffinity(0, 0, NULL [pid 5844] ioctl(3, LOOP_CLR_FD [pid 5929] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5933] <... set_robust_list resumed>) = 0 [pid 5929] rename(NULL, NULL [pid 5844] <... ioctl resumed>) = 0 [pid 5933] chdir("./17" [pid 5929] <... rename resumed>) = -1 EFAULT (Bad address) [pid 5844] close(3 [pid 5929] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5933] <... chdir resumed>) = 0 [pid 5846] <... clone resumed>, child_tidptr=0x55557f708650) = 5933 [pid 5933] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5933] setpgid(0, 0 [pid 5929] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5933] <... setpgid resumed>) = 0 [pid 5929] exit_group(0 [pid 5933] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5933] write(3, "1000", 4 [pid 5929] <... exit_group resumed>) = ? [pid 5933] <... write resumed>) = 4 [pid 5933] close(3) = 0 [pid 5933] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5933] write(1, "executing program\n", 18) = 18 [pid 5933] memfd_create("syzkaller", 0) = 3 [pid 5929] +++ exited with 0 +++ [pid 5933] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5929, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 5842] umount2("./14", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5842] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5842] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5842] umount2("./14/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./14/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] unlink("./14/binderfs") = 0 [pid 5842] umount2("./14/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5844] <... close resumed>) = 0 [pid 5842] <... umount2 resumed>) = 0 [pid 5842] umount2("./14/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./14/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] umount2("./14/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] openat(AT_FDCWD, "./14/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5842] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5842] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5842] getdents64(4, ./strace-static-x86_64: Process 5934 attached 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5842] close(4) = 0 [pid 5842] rmdir("./14/bus") = 0 [pid 5934] set_robust_list(0x55557f708660, 24 [pid 5844] <... clone resumed>, child_tidptr=0x55557f708650) = 5934 [pid 5842] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5934] <... set_robust_list resumed>) = 0 [pid 5842] close(3 [pid 5934] chdir("./17" [pid 5842] <... close resumed>) = 0 [pid 5842] rmdir("./14" [pid 5934] <... chdir resumed>) = 0 [pid 5842] <... rmdir resumed>) = 0 [pid 5934] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5934] setpgid(0, 0 [pid 5842] mkdir("./15", 0777) = 0 [pid 5933] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5934] <... setpgid resumed>) = 0 [pid 5842] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5934] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5842] <... openat resumed>) = 3 [pid 5842] ioctl(3, LOOP_CLR_FD) = 0 [pid 5842] close(3 [pid 5934] <... openat resumed>) = 3 executing program [pid 5934] write(3, "1000", 4) = 4 [pid 5934] close(3) = 0 [pid 5934] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5934] write(1, "executing program\n", 18) = 18 [pid 5934] memfd_create("syzkaller", 0) = 3 [pid 5934] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 [pid 5842] <... close resumed>) = 0 [pid 5933] <... write resumed>) = 2097152 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5935 attached [pid 5933] munmap(0x7f8e0a400000, 138412032 [pid 5842] <... clone resumed>, child_tidptr=0x55557f708650) = 5935 [pid 5935] set_robust_list(0x55557f708660, 24) = 0 [pid 5935] chdir("./15") = 0 [pid 5935] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5935] setpgid(0, 0) = 0 [pid 5935] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5935] write(3, "1000", 4 [pid 5934] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5935] <... write resumed>) = 4 [pid 5933] <... munmap resumed>) = 0 executing program [pid 5935] close(3) = 0 [pid 5935] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5935] write(1, "executing program\n", 18) = 18 [pid 5935] memfd_create("syzkaller", 0 [pid 5933] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5935] <... memfd_create resumed>) = 3 [pid 5933] <... openat resumed>) = 4 [pid 5935] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5933] ioctl(4, LOOP_SET_FD, 3 [pid 5935] <... mmap resumed>) = 0x7f8e0a400000 [ 109.363857][ T5933] loop4: detected capacity change from 0 to 4096 [pid 5931] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5934] <... write resumed>) = 2097152 [pid 5933] <... ioctl resumed>) = 0 [pid 5931] sched_setaffinity(0, 0, NULL [pid 5933] close(3 [pid 5931] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5933] <... close resumed>) = 0 [pid 5933] close(4 [pid 5934] munmap(0x7f8e0a400000, 138412032 [pid 5933] <... close resumed>) = 0 [pid 5931] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 5931] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 5931] exit_group(0) = ? [pid 5935] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5934] <... munmap resumed>) = 0 [pid 5933] mkdir("./bus", 0777 [pid 5931] +++ exited with 0 +++ [pid 5933] <... mkdir resumed>) = 0 [pid 5843] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5931, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 5933] mount("/dev/loop4", "./bus", "ntfs3", 0, "" [pid 5843] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5843] umount2("./15", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5843] openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5843] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5843] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5843] umount2("./15/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5843] newfstatat(AT_FDCWD, "./15/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5934] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5843] unlink("./15/binderfs" [pid 5934] <... openat resumed>) = 4 [pid 5843] <... unlink resumed>) = 0 [pid 5934] ioctl(4, LOOP_SET_FD, 3 [pid 5843] umount2("./15/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 5935] <... write resumed>) = 2097152 [pid 5934] <... ioctl resumed>) = 0 [pid 5935] munmap(0x7f8e0a400000, 138412032 [pid 5843] umount2("./15/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5843] newfstatat(AT_FDCWD, "./15/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] umount2("./15/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5843] openat(AT_FDCWD, "./15/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5843] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5843] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5843] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5843] close(4) = 0 [pid 5843] rmdir("./15/bus") = 0 [pid 5843] getdents64(3, [pid 5935] <... munmap resumed>) = 0 [pid 5934] close(3 [pid 5843] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5934] <... close resumed>) = 0 [pid 5934] close(4 [pid 5843] close(3 [pid 5935] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5933] <... mount resumed>) = 0 [pid 5933] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5934] <... close resumed>) = 0 [ 109.474780][ T5934] loop2: detected capacity change from 0 to 4096 [pid 5933] <... openat resumed>) = 3 [pid 5843] <... close resumed>) = 0 [pid 5935] <... openat resumed>) = 4 [pid 5933] chdir("./bus" [pid 5935] ioctl(4, LOOP_SET_FD, 3 [pid 5933] <... chdir resumed>) = 0 [pid 5934] mkdir("./bus", 0777 [pid 5933] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5843] rmdir("./15" [pid 5934] <... mkdir resumed>) = 0 [pid 5935] <... ioctl resumed>) = 0 [pid 5934] mount("/dev/loop2", "./bus", "ntfs3", 0, "" [pid 5933] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5843] <... rmdir resumed>) = 0 [pid 5935] close(3 [pid 5933] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5843] mkdir("./16", 0777 [pid 5935] <... close resumed>) = 0 [pid 5933] sched_setscheduler(0, SCHED_RR, NULL [pid 5843] <... mkdir resumed>) = 0 [pid 5935] close(4 [pid 5933] <... sched_setscheduler resumed>) = -1 EINVAL (Invalid argument) [pid 5933] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5935] <... close resumed>) = 0 [pid 5933] <... openat resumed>) = 4 [pid 5843] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5935] mkdir("./bus", 0777 [pid 5933] read(4, [pid 5935] <... mkdir resumed>) = 0 [pid 5843] <... openat resumed>) = 3 [pid 5935] mount("/dev/loop0", "./bus", "ntfs3", 0, "" [pid 5843] ioctl(3, LOOP_CLR_FD) = 0 [ 109.526885][ T5935] loop0: detected capacity change from 0 to 4096 [pid 5843] close(3 [pid 5934] <... mount resumed>) = 0 [pid 5934] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5934] chdir("./bus") = 0 [pid 5934] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5934] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5934] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5934] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 5934] read(4, [pid 5843] <... close resumed>) = 0 [pid 5843] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5935] <... mount resumed>) = 0 ./strace-static-x86_64: Process 5936 attached [pid 5936] set_robust_list(0x55557f708660, 24) = 0 [pid 5935] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5936] chdir("./16" [pid 5935] <... openat resumed>) = 3 [pid 5936] <... chdir resumed>) = 0 [pid 5935] chdir("./bus" [pid 5843] <... clone resumed>, child_tidptr=0x55557f708650) = 5936 [pid 5936] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5935] <... chdir resumed>) = 0 [pid 5936] <... prctl resumed>) = 0 [pid 5935] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5936] setpgid(0, 0 [pid 5935] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5936] <... setpgid resumed>) = 0 [pid 5935] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5936] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5935] sched_setscheduler(0, SCHED_RR, NULLexecuting program [pid 5936] <... openat resumed>) = 3 [pid 5936] write(3, "1000", 4) = 4 [pid 5936] close(3) = 0 [pid 5936] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5936] write(1, "executing program\n", 18) = 18 [pid 5936] memfd_create("syzkaller", 0 [pid 5935] <... sched_setscheduler resumed>) = -1 EINVAL (Invalid argument) [pid 5935] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 5935] read(4, [pid 5936] <... memfd_create resumed>) = 3 [pid 5936] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 [pid 5933] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5936] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5933] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5933] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 5933] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 5933] exit_group(0) = ? [pid 5936] <... write resumed>) = 2097152 [pid 5932] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5936] munmap(0x7f8e0a400000, 138412032 [pid 5932] sched_setaffinity(0, 0, NULL [pid 5933] +++ exited with 0 +++ [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5933, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=12 /* 0.12 s */} --- [pid 5846] umount2("./17", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5846] openat(AT_FDCWD, "./17", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5932] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5846] <... openat resumed>) = 3 [pid 5932] rename(NULL, NULL [pid 5846] newfstatat(3, "", [pid 5932] <... rename resumed>) = -1 EFAULT (Bad address) [pid 5846] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5932] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5846] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5932] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5846] umount2("./17/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5932] exit_group(0 [pid 5846] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5846] newfstatat(AT_FDCWD, "./17/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5934] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5932] <... exit_group resumed>) = ? [pid 5846] unlink("./17/binderfs" [pid 5932] +++ exited with 0 +++ [pid 5846] <... unlink resumed>) = 0 [pid 5845] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5932, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=23 /* 0.23 s */} --- [pid 5846] umount2("./17/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5845] restart_syscall(<... resuming interrupted clone ...> [pid 5934] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5845] <... restart_syscall resumed>) = 0 [pid 5934] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 5934] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5846] <... umount2 resumed>) = 0 [pid 5845] umount2("./15", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5934] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5845] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5934] exit_group(0 [pid 5845] openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5934] <... exit_group resumed>) = ? [pid 5845] <... openat resumed>) = 3 [pid 5845] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5845] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5845] umount2("./15/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5845] newfstatat(AT_FDCWD, "./15/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5936] <... munmap resumed>) = 0 [pid 5934] +++ exited with 0 +++ [pid 5845] unlink("./15/binderfs" [pid 5846] umount2("./17/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5845] <... unlink resumed>) = 0 [pid 5936] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5846] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5845] umount2("./15/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5936] <... openat resumed>) = 4 [pid 5846] newfstatat(AT_FDCWD, "./17/bus", [pid 5845] <... umount2 resumed>) = 0 [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5934, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5936] ioctl(4, LOOP_SET_FD, 3 [pid 5846] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5844] umount2("./17", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5935] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5846] umount2("./17/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5845] umount2("./15/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5935] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5845] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5844] openat(AT_FDCWD, "./17", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5935] rename(NULL, NULL [pid 5845] newfstatat(AT_FDCWD, "./15/bus", [pid 5844] <... openat resumed>) = 3 [pid 5935] <... rename resumed>) = -1 EFAULT (Bad address) [pid 5935] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5845] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5935] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5844] newfstatat(3, "", [pid 5935] exit_group(0 [pid 5845] umount2("./15/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5935] <... exit_group resumed>) = ? [pid 5844] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5936] <... ioctl resumed>) = 0 [pid 5935] +++ exited with 0 +++ [pid 5846] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5845] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5844] getdents64(3, [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5935, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=11 /* 0.11 s */} --- [pid 5845] openat(AT_FDCWD, "./15/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5844] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5842] restart_syscall(<... resuming interrupted clone ...> [pid 5936] close(3 [pid 5846] openat(AT_FDCWD, "./17/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5845] <... openat resumed>) = 4 [pid 5842] <... restart_syscall resumed>) = 0 [pid 5936] <... close resumed>) = 0 [pid 5845] newfstatat(4, "", [pid 5844] umount2("./17/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5936] close(4 [pid 5846] <... openat resumed>) = 4 [pid 5845] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5936] <... close resumed>) = 0 [pid 5846] newfstatat(4, "", [pid 5845] getdents64(4, [pid 5844] newfstatat(AT_FDCWD, "./17/binderfs", [pid 5842] umount2("./15", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5845] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5844] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5845] getdents64(4, [pid 5844] unlink("./17/binderfs" [pid 5842] <... openat resumed>) = 3 [pid 5845] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5844] <... unlink resumed>) = 0 [pid 5842] newfstatat(3, "", [pid 5845] close(4 [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5842] getdents64(3, [pid 5845] <... close resumed>) = 0 [pid 5844] umount2("./17/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5845] rmdir("./15/bus" [pid 5842] umount2("./15/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5936] mkdir("./bus", 0777 [pid 5846] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5845] <... rmdir resumed>) = 0 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5846] getdents64(4, [pid 5842] newfstatat(AT_FDCWD, "./15/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] unlink("./15/binderfs" [pid 5936] <... mkdir resumed>) = 0 [pid 5846] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5842] <... unlink resumed>) = 0 [pid 5936] mount("/dev/loop1", "./bus", "ntfs3", 0, "" [pid 5846] getdents64(4, [pid 5842] umount2("./15/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5845] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5845] close(3) = 0 [pid 5846] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5845] rmdir("./15" [pid 5846] close(4 [pid 5844] <... umount2 resumed>) = 0 [pid 5842] <... umount2 resumed>) = 0 [pid 5842] umount2("./15/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./15/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] umount2("./15/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] openat(AT_FDCWD, "./15/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5842] newfstatat(4, "", [pid 5845] <... rmdir resumed>) = 0 [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5846] <... close resumed>) = 0 [pid 5844] umount2("./17/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] getdents64(4, [pid 5846] rmdir("./17/bus" [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5842] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5842] close(4) = 0 [pid 5842] rmdir("./15/bus" [pid 5846] <... rmdir resumed>) = 0 [pid 5842] <... rmdir resumed>) = 0 [pid 5846] getdents64(3, [pid 5844] newfstatat(AT_FDCWD, "./17/bus", [pid 5842] getdents64(3, [pid 5846] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5845] mkdir("./16", 0777 [pid 5844] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5846] close(3 [pid 5845] <... mkdir resumed>) = 0 [pid 5844] umount2("./17/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] close(3 [pid 5846] <... close resumed>) = 0 [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] <... close resumed>) = 0 [pid 5846] rmdir("./17" [pid 5844] openat(AT_FDCWD, "./17/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5842] rmdir("./15" [pid 5846] <... rmdir resumed>) = 0 [pid 5845] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5844] <... openat resumed>) = 4 [pid 5842] <... rmdir resumed>) = 0 [pid 5846] mkdir("./18", 0777 [pid 5845] <... openat resumed>) = 3 [pid 5844] newfstatat(4, "", [pid 5842] mkdir("./16", 0777 [pid 5846] <... mkdir resumed>) = 0 [pid 5845] ioctl(3, LOOP_CLR_FD [pid 5844] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5842] <... mkdir resumed>) = 0 [pid 5845] <... ioctl resumed>) = 0 [pid 5844] getdents64(4, [pid 5842] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5936] <... mount resumed>) = 0 [pid 5846] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5845] close(3 [pid 5844] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5842] <... openat resumed>) = 3 [pid 5936] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5846] <... openat resumed>) = 3 [pid 5846] ioctl(3, LOOP_CLR_FD [pid 5936] <... openat resumed>) = 3 [ 109.888365][ T5936] loop1: detected capacity change from 0 to 4096 [pid 5936] chdir("./bus" [pid 5846] <... ioctl resumed>) = 0 [pid 5845] <... close resumed>) = 0 [pid 5844] getdents64(4, [pid 5842] ioctl(3, LOOP_CLR_FD [pid 5936] <... chdir resumed>) = 0 [pid 5845] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5844] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5842] <... ioctl resumed>) = 0 [pid 5936] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5844] close(4 [pid 5842] close(3 [pid 5846] close(3./strace-static-x86_64: Process 5937 attached [pid 5936] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5845] <... clone resumed>, child_tidptr=0x55557f708650) = 5937 [pid 5844] <... close resumed>) = 0 [pid 5937] set_robust_list(0x55557f708660, 24 [pid 5844] rmdir("./17/bus" [pid 5937] <... set_robust_list resumed>) = 0 [pid 5844] <... rmdir resumed>) = 0 [pid 5937] chdir("./16" [pid 5844] getdents64(3, [pid 5937] <... chdir resumed>) = 0 [pid 5844] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5937] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5844] close(3 [pid 5937] <... prctl resumed>) = 0 [pid 5936] sched_setaffinity(0, 0, NULL [pid 5844] <... close resumed>) = 0 [pid 5937] setpgid(0, 0 [pid 5844] rmdir("./17" [pid 5937] <... setpgid resumed>) = 0 [pid 5844] <... rmdir resumed>) = 0 [pid 5937] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5936] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5844] mkdir("./18", 0777 [pid 5937] <... openat resumed>) = 3 [pid 5844] <... mkdir resumed>) = 0 [pid 5936] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5937] write(3, "1000", 4 [pid 5936] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5937] <... write resumed>) = 4 [pid 5936] <... openat resumed>) = 4 [pid 5937] close(3) = 0 [pid 5936] read(4, [pid 5937] symlink("/dev/binderfs", "./binderfs" [pid 5844] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5937] <... symlink resumed>) = 0 [pid 5844] <... openat resumed>) = 3 [pid 5844] ioctl(3, LOOP_CLR_FD [pid 5937] write(1, "executing program\n", 18 [pid 5844] <... ioctl resumed>) = 0 [pid 5937] <... write resumed>) = 18 [pid 5844] close(3executing program [pid 5937] memfd_create("syzkaller", 0 [pid 5842] <... close resumed>) = 0 [pid 5937] <... memfd_create resumed>) = 3 [pid 5844] <... close resumed>) = 0 [pid 5937] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5939 attached ./strace-static-x86_64: Process 5938 attached [pid 5846] <... close resumed>) = 0 [pid 5844] <... clone resumed>, child_tidptr=0x55557f708650) = 5938 [pid 5938] set_robust_list(0x55557f708660, 24 [pid 5842] <... clone resumed>, child_tidptr=0x55557f708650) = 5939 [pid 5939] set_robust_list(0x55557f708660, 24 [pid 5938] <... set_robust_list resumed>) = 0 [pid 5939] <... set_robust_list resumed>) = 0 [pid 5938] chdir("./18") = 0 [pid 5939] chdir("./16" [pid 5938] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5938] setpgid(0, 0 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5940 attached [pid 5938] <... setpgid resumed>) = 0 [pid 5938] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5940] set_robust_list(0x55557f708660, 24) = 0 [pid 5940] chdir("./18") = 0 [pid 5940] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5846] <... clone resumed>, child_tidptr=0x55557f708650) = 5940 [pid 5940] <... prctl resumed>) = 0 [pid 5940] setpgid(0, 0) = 0 [pid 5940] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5938] write(3, "1000", 4 [pid 5939] <... chdir resumed>) = 0 [pid 5940] <... openat resumed>) = 3 [pid 5939] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5938] <... write resumed>) = 4 [pid 5938] close(3 [pid 5939] <... prctl resumed>) = 0 [pid 5938] <... close resumed>) = 0 [pid 5939] setpgid(0, 0 [pid 5938] symlink("/dev/binderfs", "./binderfs" [pid 5940] write(3, "1000", 4 [pid 5939] <... setpgid resumed>) = 0 [pid 5938] <... symlink resumed>) = 0 [pid 5940] <... write resumed>) = 4 executing program [pid 5938] write(1, "executing program\n", 18 [pid 5940] close(3 [pid 5938] <... write resumed>) = 18 [pid 5940] <... close resumed>) = 0 [pid 5939] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5938] memfd_create("syzkaller", 0 [pid 5940] symlink("/dev/binderfs", "./binderfs" [pid 5938] <... memfd_create resumed>) = 3 [pid 5940] <... symlink resumed>) = 0 [pid 5939] <... openat resumed>) = 3 [pid 5938] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5939] write(3, "1000", 4 [pid 5938] <... mmap resumed>) = 0x7f8e0a400000 executing program [pid 5939] <... write resumed>) = 4 [pid 5940] write(1, "executing program\n", 18 [pid 5939] close(3 [pid 5940] <... write resumed>) = 18 [pid 5939] <... close resumed>) = 0 [pid 5940] memfd_create("syzkaller", 0 [pid 5939] symlink("/dev/binderfs", "./binderfs" [pid 5940] <... memfd_create resumed>) = 3 [pid 5939] <... symlink resumed>) = 0 [pid 5940] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 [pid 5939] write(1, "executing program\n", 18executing program ) = 18 [pid 5939] memfd_create("syzkaller", 0) = 3 [pid 5939] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5937] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5939] <... mmap resumed>) = 0x7f8e0a400000 [pid 5940] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5938] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5937] <... write resumed>) = 2097152 [pid 5937] munmap(0x7f8e0a400000, 138412032) = 0 [pid 5937] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 5937] ioctl(4, LOOP_SET_FD, 3 [pid 5939] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5937] <... ioctl resumed>) = 0 [pid 5940] <... write resumed>) = 2097152 [pid 5937] close(3) = 0 [pid 5937] close(4) = 0 [pid 5937] mkdir("./bus", 0777) = 0 [pid 5940] munmap(0x7f8e0a400000, 138412032 [pid 5938] <... write resumed>) = 2097152 [ 110.224901][ T5937] loop3: detected capacity change from 0 to 4096 [pid 5937] mount("/dev/loop3", "./bus", "ntfs3", 0, "" [pid 5938] munmap(0x7f8e0a400000, 138412032 [pid 5940] <... munmap resumed>) = 0 [pid 5938] <... munmap resumed>) = 0 [pid 5940] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 5938] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5940] ioctl(4, LOOP_SET_FD, 3 [pid 5938] <... openat resumed>) = 4 [pid 5939] <... write resumed>) = 2097152 [pid 5940] <... ioctl resumed>) = 0 [pid 5938] ioctl(4, LOOP_SET_FD, 3 [pid 5939] munmap(0x7f8e0a400000, 138412032 [pid 5940] close(3 [pid 5938] <... ioctl resumed>) = 0 [pid 5940] <... close resumed>) = 0 [pid 5937] <... mount resumed>) = 0 [pid 5940] close(4 [pid 5939] <... munmap resumed>) = 0 [pid 5938] close(3 [pid 5937] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5940] <... close resumed>) = 0 [pid 5939] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5938] <... close resumed>) = 0 [pid 5937] <... openat resumed>) = 3 [pid 5940] mkdir("./bus", 0777 [pid 5939] <... openat resumed>) = 4 [pid 5938] close(4 [pid 5937] chdir("./bus" [pid 5940] <... mkdir resumed>) = 0 [pid 5940] mount("/dev/loop4", "./bus", "ntfs3", 0, "" [pid 5937] <... chdir resumed>) = 0 [pid 5939] ioctl(4, LOOP_SET_FD, 3 [pid 5938] <... close resumed>) = 0 [pid 5937] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5939] <... ioctl resumed>) = 0 [pid 5938] mkdir("./bus", 0777 [pid 5937] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5937] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5937] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5938] <... mkdir resumed>) = 0 [pid 5937] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 5938] mount("/dev/loop2", "./bus", "ntfs3", 0, "" [pid 5937] read(4, [pid 5939] close(3) = 0 [pid 5939] close(4) = 0 [pid 5939] mkdir("./bus", 0777) = 0 [ 110.309461][ T5940] loop4: detected capacity change from 0 to 4096 [ 110.325088][ T5938] loop2: detected capacity change from 0 to 4096 [ 110.347354][ T5939] loop0: detected capacity change from 0 to 4096 [pid 5939] mount("/dev/loop0", "./bus", "ntfs3", 0, "" [pid 5938] <... mount resumed>) = 0 [pid 5940] <... mount resumed>) = 0 [pid 5938] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5938] chdir("./bus" [pid 5940] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5938] <... chdir resumed>) = 0 [pid 5940] <... openat resumed>) = 3 [pid 5938] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5940] chdir("./bus" [pid 5938] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5938] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5938] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5938] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 5938] read(4, [pid 5940] <... chdir resumed>) = 0 [pid 5940] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5940] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5940] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5940] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 5940] read(4, [pid 5939] <... mount resumed>) = 0 [pid 5939] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5939] chdir("./bus") = 0 [pid 5939] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5939] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5939] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5939] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 5939] read(4, [pid 5937] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5937] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5937] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 5937] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 5937] exit_group(0) = ? [pid 5937] +++ exited with 0 +++ [pid 5845] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5937, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 5845] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5845] umount2("./16", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5845] openat(AT_FDCWD, "./16", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5845] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5845] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5938] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5938] sched_setaffinity(0, 0, NULL [pid 5845] umount2("./16/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5938] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5845] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5938] rename(NULL, NULL [pid 5845] newfstatat(AT_FDCWD, "./16/binderfs", [pid 5938] <... rename resumed>) = -1 EFAULT (Bad address) [pid 5845] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5845] unlink("./16/binderfs" [pid 5938] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 5936] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5845] <... unlink resumed>) = 0 [pid 5938] exit_group(0) = ? [pid 5936] sched_setaffinity(0, 0, NULL [pid 5845] umount2("./16/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5936] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5936] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 5936] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 5936] exit_group(0) = ? [pid 5845] <... umount2 resumed>) = 0 [pid 5938] +++ exited with 0 +++ [pid 5845] umount2("./16/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5938, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [pid 5845] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5845] newfstatat(AT_FDCWD, "./16/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5845] umount2("./16/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5936] +++ exited with 0 +++ [pid 5845] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5845] openat(AT_FDCWD, "./16/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5843] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5936, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 5843] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5843] umount2("./16", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5845] <... openat resumed>) = 4 [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5845] newfstatat(4, "", [pid 5844] umount2("./18", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5843] openat(AT_FDCWD, "./16", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5845] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] <... openat resumed>) = 3 [pid 5845] getdents64(4, [pid 5844] openat(AT_FDCWD, "./18", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5843] newfstatat(3, "", [pid 5845] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5843] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5845] getdents64(4, [pid 5844] <... openat resumed>) = 3 [pid 5843] getdents64(3, [pid 5845] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5843] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5845] close(4 [pid 5844] newfstatat(3, "", [pid 5845] <... close resumed>) = 0 [pid 5844] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5845] rmdir("./16/bus" [pid 5843] umount2("./16/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5844] getdents64(3, [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5845] <... rmdir resumed>) = 0 [pid 5844] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5843] newfstatat(AT_FDCWD, "./16/binderfs", [pid 5844] umount2("./18/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5843] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] unlink("./16/binderfs" [pid 5845] getdents64(3, [pid 5844] newfstatat(AT_FDCWD, "./18/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] <... unlink resumed>) = 0 [pid 5844] unlink("./18/binderfs" [pid 5845] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5844] <... unlink resumed>) = 0 [pid 5845] close(3 [pid 5844] umount2("./18/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5843] umount2("./16/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5845] <... close resumed>) = 0 [pid 5845] rmdir("./16" [pid 5844] <... umount2 resumed>) = 0 [pid 5843] <... umount2 resumed>) = 0 [pid 5845] <... rmdir resumed>) = 0 [pid 5844] umount2("./18/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5843] umount2("./16/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5845] mkdir("./17", 0777) = 0 [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5845] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] newfstatat(AT_FDCWD, "./16/bus", [pid 5844] newfstatat(AT_FDCWD, "./18/bus", [pid 5845] <... openat resumed>) = 3 [pid 5844] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] umount2("./18/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5845] ioctl(3, LOOP_CLR_FD [pid 5843] umount2("./16/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5844] openat(AT_FDCWD, "./18/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5845] <... ioctl resumed>) = 0 [pid 5843] openat(AT_FDCWD, "./16/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5844] <... openat resumed>) = 4 [pid 5845] close(3 [pid 5843] <... openat resumed>) = 4 [pid 5939] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5844] newfstatat(4, "", [pid 5843] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5843] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5844] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5843] getdents64(4, [pid 5844] getdents64(4, [pid 5939] sched_setaffinity(0, 0, NULL [pid 5843] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5939] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5844] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5843] close(4 [pid 5939] rename(NULL, NULL [pid 5844] getdents64(4, [pid 5939] <... rename resumed>) = -1 EFAULT (Bad address) [pid 5845] <... close resumed>) = 0 [pid 5844] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5939] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5845] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5844] close(4 [pid 5939] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5844] <... close resumed>) = 0 [pid 5939] exit_group(0 [pid 5844] rmdir("./18/bus" [pid 5843] <... close resumed>) = 0 [pid 5843] rmdir("./16/bus" [pid 5939] <... exit_group resumed>) = ? [pid 5843] <... rmdir resumed>) = 0 [pid 5843] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5939] +++ exited with 0 +++ [pid 5844] <... rmdir resumed>) = 0 [pid 5843] close(3 [pid 5844] getdents64(3, [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5939, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=25 /* 0.25 s */} --- ./strace-static-x86_64: Process 5941 attached [pid 5843] <... close resumed>) = 0 [pid 5842] umount2("./16", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] openat(AT_FDCWD, "./16", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5842] newfstatat(3, "", [pid 5844] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5844] close(3 [pid 5842] getdents64(3, [pid 5844] <... close resumed>) = 0 [pid 5842] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5845] <... clone resumed>, child_tidptr=0x55557f708650) = 5941 [pid 5844] rmdir("./18" [pid 5843] rmdir("./16" [pid 5842] umount2("./16/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5843] <... rmdir resumed>) = 0 [pid 5842] newfstatat(AT_FDCWD, "./16/binderfs", [pid 5843] mkdir("./17", 0777 [pid 5941] set_robust_list(0x55557f708660, 24 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5941] <... set_robust_list resumed>) = 0 [pid 5843] <... mkdir resumed>) = 0 [pid 5842] unlink("./16/binderfs" [pid 5941] chdir("./17" [pid 5844] <... rmdir resumed>) = 0 [pid 5843] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5842] <... unlink resumed>) = 0 [pid 5842] umount2("./16/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5844] mkdir("./19", 0777) = 0 [pid 5843] <... openat resumed>) = 3 [pid 5844] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5844] ioctl(3, LOOP_CLR_FD) = 0 [pid 5844] close(3 [pid 5941] <... chdir resumed>) = 0 [pid 5843] ioctl(3, LOOP_CLR_FD [pid 5941] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5843] <... ioctl resumed>) = 0 [pid 5941] setpgid(0, 0 [pid 5843] close(3 [pid 5941] <... setpgid resumed>) = 0 [pid 5941] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5842] <... umount2 resumed>) = 0 [pid 5941] <... openat resumed>) = 3 [pid 5842] umount2("./16/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./16/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] umount2("./16/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] openat(AT_FDCWD, "./16/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5842] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5842] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5842] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5842] close(4) = 0 [pid 5842] rmdir("./16/bus") = 0 [pid 5842] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5842] close(3) = 0 [pid 5842] rmdir("./16") = 0 [pid 5842] mkdir("./17", 0777) = 0 [pid 5842] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5842] ioctl(3, LOOP_CLR_FD) = 0 [pid 5842] close(3 [pid 5941] write(3, "1000", 4) = 4 [pid 5941] close(3) = 0 [pid 5941] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5941] write(1, "executing program\n", 18executing program ) = 18 [pid 5941] memfd_create("syzkaller", 0 [pid 5940] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5940] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5940] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 5940] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 5940] exit_group(0) = ? [pid 5941] <... memfd_create resumed>) = 3 [pid 5844] <... close resumed>) = 0 [pid 5940] +++ exited with 0 +++ [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5940, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=20 /* 0.20 s */} --- [pid 5846] restart_syscall(<... resuming interrupted clone ...> [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5842] <... close resumed>) = 0 ./strace-static-x86_64: Process 5942 attached [pid 5941] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5846] <... restart_syscall resumed>) = 0 [pid 5843] <... close resumed>) = 0 [pid 5942] set_robust_list(0x55557f708660, 24 [pid 5941] <... mmap resumed>) = 0x7f8e0a400000 [pid 5844] <... clone resumed>, child_tidptr=0x55557f708650) = 5942 [pid 5843] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5942] <... set_robust_list resumed>) = 0 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5942] chdir("./19" [pid 5846] umount2("./18", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5942] <... chdir resumed>) = 0 [pid 5846] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5944 attached ./strace-static-x86_64: Process 5943 attached [pid 5942] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5846] openat(AT_FDCWD, "./18", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5843] <... clone resumed>, child_tidptr=0x55557f708650) = 5943 [pid 5846] <... openat resumed>) = 3 [pid 5846] newfstatat(3, "", [pid 5943] set_robust_list(0x55557f708660, 24 [pid 5846] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5943] <... set_robust_list resumed>) = 0 [pid 5846] getdents64(3, [pid 5943] chdir("./17" [pid 5846] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5943] <... chdir resumed>) = 0 [pid 5942] <... prctl resumed>) = 0 [pid 5846] umount2("./18/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5944] set_robust_list(0x55557f708660, 24 [pid 5943] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5942] setpgid(0, 0 [pid 5846] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5944] <... set_robust_list resumed>) = 0 [pid 5943] <... prctl resumed>) = 0 [pid 5942] <... setpgid resumed>) = 0 [pid 5846] newfstatat(AT_FDCWD, "./18/binderfs", [pid 5842] <... clone resumed>, child_tidptr=0x55557f708650) = 5944 [pid 5944] chdir("./17" [pid 5942] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5846] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5944] <... chdir resumed>) = 0 [pid 5943] setpgid(0, 0 [pid 5942] <... openat resumed>) = 3 [pid 5846] unlink("./18/binderfs"executing program [pid 5944] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5943] <... setpgid resumed>) = 0 [pid 5846] <... unlink resumed>) = 0 [pid 5942] write(3, "1000", 4 [pid 5846] umount2("./18/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5942] <... write resumed>) = 4 [pid 5942] close(3 [pid 5943] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5942] <... close resumed>) = 0 [pid 5942] symlink("/dev/binderfs", "./binderfs" [pid 5944] <... prctl resumed>) = 0 [pid 5942] <... symlink resumed>) = 0 [pid 5944] setpgid(0, 0 [pid 5942] write(1, "executing program\n", 18 [pid 5944] <... setpgid resumed>) = 0 [pid 5942] <... write resumed>) = 18 [pid 5944] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5943] <... openat resumed>) = 3 [pid 5942] memfd_create("syzkaller", 0 [pid 5944] <... openat resumed>) = 3 [pid 5944] write(3, "1000", 4 [pid 5943] write(3, "1000", 4 [pid 5944] <... write resumed>) = 4 [pid 5943] <... write resumed>) = 4 [pid 5944] close(3 [pid 5943] close(3 [pid 5846] <... umount2 resumed>) = 0 [pid 5944] <... close resumed>) = 0 [pid 5944] symlink("/dev/binderfs", "./binderfs" [pid 5943] <... close resumed>) = 0 [pid 5942] <... memfd_create resumed>) = 3 [pid 5944] <... symlink resumed>) = 0 [pid 5943] symlink("/dev/binderfs", "./binderfs" [pid 5942] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 [pid 5943] <... symlink resumed>) = 0 [pid 5846] umount2("./18/bus", MNT_FORCE|UMOUNT_NOFOLLOWexecuting program [pid 5944] write(1, "executing program\n", 18) = 18 [pid 5944] memfd_create("syzkaller", 0 [pid 5943] write(1, "executing program\n", 18 [pid 5846] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 5944] <... memfd_create resumed>) = 3 [pid 5943] <... write resumed>) = 18 [pid 5846] newfstatat(AT_FDCWD, "./18/bus", [pid 5944] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 [pid 5943] memfd_create("syzkaller", 0 [pid 5941] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5846] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5846] umount2("./18/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5846] openat(AT_FDCWD, "./18/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5846] newfstatat(4, "", [pid 5943] <... memfd_create resumed>) = 3 [pid 5846] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5943] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 [pid 5846] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5846] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5846] close(4) = 0 [pid 5846] rmdir("./18/bus") = 0 [pid 5846] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5846] close(3) = 0 [pid 5846] rmdir("./18" [pid 5942] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5846] <... rmdir resumed>) = 0 [pid 5944] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5943] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5941] <... write resumed>) = 2097152 [pid 5846] mkdir("./19", 0777 [pid 5941] munmap(0x7f8e0a400000, 138412032) = 0 [pid 5846] <... mkdir resumed>) = 0 [pid 5943] <... write resumed>) = 2097152 [pid 5941] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5846] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5943] munmap(0x7f8e0a400000, 138412032 [pid 5846] <... openat resumed>) = 3 [pid 5846] ioctl(3, LOOP_CLR_FD) = 0 [pid 5846] close(3 [pid 5942] <... write resumed>) = 2097152 [pid 5944] <... write resumed>) = 2097152 [pid 5943] <... munmap resumed>) = 0 [pid 5941] <... openat resumed>) = 4 [pid 5944] munmap(0x7f8e0a400000, 138412032 [pid 5943] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5942] munmap(0x7f8e0a400000, 138412032 [pid 5941] ioctl(4, LOOP_SET_FD, 3 [pid 5943] <... openat resumed>) = 4 [pid 5941] <... ioctl resumed>) = 0 [pid 5943] ioctl(4, LOOP_SET_FD, 3 [pid 5944] <... munmap resumed>) = 0 [pid 5942] <... munmap resumed>) = 0 [pid 5943] <... ioctl resumed>) = 0 [pid 5941] close(3 [pid 5942] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 5944] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5942] ioctl(4, LOOP_SET_FD, 3 [pid 5944] <... openat resumed>) = 4 [pid 5943] close(3 [pid 5941] <... close resumed>) = 0 [pid 5846] <... close resumed>) = 0 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5944] ioctl(4, LOOP_SET_FD, 3 [pid 5943] <... close resumed>) = 0 ./strace-static-x86_64: Process 5945 attached [pid 5944] <... ioctl resumed>) = 0 [pid 5943] close(4 [pid 5942] <... ioctl resumed>) = 0 [pid 5941] close(4 [pid 5945] set_robust_list(0x55557f708660, 24 [pid 5944] close(3 [pid 5943] <... close resumed>) = 0 [pid 5846] <... clone resumed>, child_tidptr=0x55557f708650) = 5945 [pid 5945] <... set_robust_list resumed>) = 0 [pid 5944] <... close resumed>) = 0 [pid 5943] mkdir("./bus", 0777 [pid 5942] close(3 [pid 5941] <... close resumed>) = 0 [pid 5944] close(4) = 0 [pid 5944] mkdir("./bus", 0777 [pid 5943] <... mkdir resumed>) = 0 [pid 5944] <... mkdir resumed>) = 0 [pid 5942] <... close resumed>) = 0 [pid 5941] mkdir("./bus", 0777 [pid 5944] mount("/dev/loop0", "./bus", "ntfs3", 0, "" [pid 5943] mount("/dev/loop1", "./bus", "ntfs3", 0, "" [pid 5942] close(4 [pid 5941] <... mkdir resumed>) = 0 [pid 5942] <... close resumed>) = 0 [pid 5945] chdir("./19" [pid 5942] mkdir("./bus", 0777 [ 111.326914][ T5941] loop3: detected capacity change from 0 to 4096 [ 111.337989][ T5943] loop1: detected capacity change from 0 to 4096 [ 111.356018][ T5942] loop2: detected capacity change from 0 to 4096 [ 111.367173][ T5944] loop0: detected capacity change from 0 to 4096 [pid 5941] mount("/dev/loop3", "./bus", "ntfs3", 0, "" [pid 5945] <... chdir resumed>) = 0 [pid 5945] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5945] setpgid(0, 0 [pid 5942] <... mkdir resumed>) = 0 [pid 5945] <... setpgid resumed>) = 0 [pid 5945] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5942] mount("/dev/loop2", "./bus", "ntfs3", 0, "" [pid 5945] write(3, "1000", 4) = 4 [pid 5945] close(3) = 0 [pid 5945] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5945] write(1, "executing program\n", 18) = 18 [pid 5945] memfd_create("syzkaller", 0 [pid 5944] <... mount resumed>) = 0 [pid 5945] <... memfd_create resumed>) = 3 [pid 5945] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 [pid 5944] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5944] chdir("./bus") = 0 [pid 5944] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5944] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5944] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5944] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 5944] read(4, [pid 5942] <... mount resumed>) = 0 [pid 5942] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5941] <... mount resumed>) = 0 [pid 5942] <... openat resumed>) = 3 [pid 5942] chdir("./bus" [pid 5943] <... mount resumed>) = 0 [pid 5942] <... chdir resumed>) = 0 [pid 5943] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5943] chdir("./bus") = 0 [pid 5943] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5945] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5943] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5942] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5941] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5943] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5943] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5943] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 5943] read(4, [pid 5942] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5941] <... openat resumed>) = 3 [pid 5942] sched_setaffinity(0, 0, NULL [pid 5941] chdir("./bus" [pid 5942] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5941] <... chdir resumed>) = 0 [pid 5942] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5941] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5942] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5941] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5942] <... openat resumed>) = 4 [pid 5941] sched_setaffinity(0, 0, NULL [pid 5942] read(4, [pid 5941] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5941] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5941] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 5941] read(4, [pid 5945] <... write resumed>) = 2097152 [pid 5945] munmap(0x7f8e0a400000, 138412032) = 0 [pid 5945] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 5945] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5945] close(3) = 0 [pid 5945] close(4) = 0 [pid 5945] mkdir("./bus", 0777) = 0 [ 111.577178][ T5945] loop4: detected capacity change from 0 to 4096 [pid 5945] mount("/dev/loop4", "./bus", "ntfs3", 0, "") = 0 [pid 5945] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5945] chdir("./bus") = 0 [pid 5945] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5945] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5945] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5945] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 5945] read(4, [pid 5944] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5944] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5944] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 5944] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 5944] exit_group(0) = ? [pid 5944] +++ exited with 0 +++ [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5944, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5842] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5842] umount2("./17", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] openat(AT_FDCWD, "./17", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5842] newfstatat(3, "", [pid 5943] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5842] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5842] umount2("./17/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5943] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./17/binderfs", [pid 5943] rename(NULL, NULL [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5943] <... rename resumed>) = -1 EFAULT (Bad address) [pid 5943] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5842] unlink("./17/binderfs" [pid 5943] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5943] exit_group(0 [pid 5842] <... unlink resumed>) = 0 [pid 5943] <... exit_group resumed>) = ? [pid 5842] umount2("./17/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5941] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5941] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5941] rename(NULL, NULL [pid 5943] +++ exited with 0 +++ [pid 5941] <... rename resumed>) = -1 EFAULT (Bad address) [pid 5843] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5943, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=14 /* 0.14 s */} --- [pid 5941] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5843] restart_syscall(<... resuming interrupted clone ...> [pid 5941] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5842] <... umount2 resumed>) = 0 [pid 5941] exit_group(0 [pid 5842] umount2("./17/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5941] <... exit_group resumed>) = ? [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] <... restart_syscall resumed>) = 0 [pid 5842] newfstatat(AT_FDCWD, "./17/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] umount2("./17", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] umount2("./17/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] openat(AT_FDCWD, "./17/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5843] openat(AT_FDCWD, "./17", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5842] newfstatat(4, "", [pid 5843] <... openat resumed>) = 3 [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5843] newfstatat(3, "", [pid 5842] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5842] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5842] close(4) = 0 [pid 5941] +++ exited with 0 +++ [pid 5843] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5842] rmdir("./17/bus" [pid 5845] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5941, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=11 /* 0.11 s */} --- [pid 5843] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5842] <... rmdir resumed>) = 0 [pid 5843] umount2("./17/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5845] umount2("./17", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5845] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] newfstatat(AT_FDCWD, "./17/binderfs", [pid 5842] getdents64(3, [pid 5845] openat(AT_FDCWD, "./17", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5842] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5845] <... openat resumed>) = 3 [pid 5843] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] close(3) = 0 [pid 5842] rmdir("./17" [pid 5843] unlink("./17/binderfs" [pid 5845] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5845] getdents64(3, [pid 5842] <... rmdir resumed>) = 0 [pid 5845] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5843] <... unlink resumed>) = 0 [pid 5842] mkdir("./18", 0777 [pid 5843] umount2("./17/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] <... mkdir resumed>) = 0 [pid 5845] umount2("./17/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5842] ioctl(3, LOOP_CLR_FD) = 0 [pid 5842] close(3 [pid 5843] <... umount2 resumed>) = 0 [pid 5845] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] umount2("./17/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5843] newfstatat(AT_FDCWD, "./17/bus", [pid 5845] newfstatat(AT_FDCWD, "./17/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5845] unlink("./17/binderfs") = 0 [pid 5843] umount2("./17/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5845] umount2("./17/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] openat(AT_FDCWD, "./17/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5843] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5843] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5843] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5843] close(4) = 0 [pid 5843] rmdir("./17/bus") = 0 [pid 5843] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5843] close(3 [pid 5842] <... close resumed>) = 0 [pid 5845] <... umount2 resumed>) = 0 [pid 5843] <... close resumed>) = 0 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5845] umount2("./17/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5843] rmdir("./17"./strace-static-x86_64: Process 5946 attached [pid 5842] <... clone resumed>, child_tidptr=0x55557f708650) = 5946 [pid 5946] set_robust_list(0x55557f708660, 24 [pid 5942] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5845] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] <... rmdir resumed>) = 0 [pid 5946] <... set_robust_list resumed>) = 0 [pid 5845] newfstatat(AT_FDCWD, "./17/bus", [pid 5843] mkdir("./18", 0777 [pid 5946] chdir("./18" [pid 5942] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5942] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 5942] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 5843] <... mkdir resumed>) = 0 [pid 5946] <... chdir resumed>) = 0 [pid 5942] exit_group(0 [pid 5845] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5946] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5845] umount2("./17/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5942] <... exit_group resumed>) = ? [pid 5946] <... prctl resumed>) = 0 [pid 5845] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] <... openat resumed>) = 3 [pid 5946] setpgid(0, 0 [pid 5845] openat(AT_FDCWD, "./17/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5946] <... setpgid resumed>) = 0 [pid 5845] newfstatat(4, "", [pid 5843] ioctl(3, LOOP_CLR_FD [pid 5946] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5843] <... ioctl resumed>) = 0 [pid 5845] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5843] close(3 [pid 5946] <... openat resumed>) = 3 [pid 5942] +++ exited with 0 +++ [pid 5845] getdents64(4, [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5942, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=20 /* 0.20 s */} --- [pid 5844] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5845] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5946] write(3, "1000", 4 [pid 5844] umount2("./19", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5946] <... write resumed>) = 4 [pid 5845] getdents64(4, [pid 5844] openat(AT_FDCWD, "./19", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5845] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5844] <... openat resumed>) = 3 [pid 5946] close(3 [pid 5845] close(4 [pid 5844] newfstatat(3, "", [pid 5946] <... close resumed>) = 0 [pid 5845] <... close resumed>) = 0 [pid 5844] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5946] symlink("/dev/binderfs", "./binderfs" [pid 5845] rmdir("./17/bus" [pid 5844] getdents64(3, [pid 5845] <... rmdir resumed>) = 0 [pid 5844] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5946] <... symlink resumed>) = 0 [pid 5844] umount2("./19/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5946] write(1, "executing program\n", 18executing program [pid 5845] getdents64(3, [pid 5946] <... write resumed>) = 18 [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5844] newfstatat(AT_FDCWD, "./19/binderfs", [pid 5946] memfd_create("syzkaller", 0 [pid 5845] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5844] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] unlink("./19/binderfs") = 0 [pid 5845] close(3 [pid 5844] umount2("./19/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5845] <... close resumed>) = 0 [pid 5845] rmdir("./17" [pid 5946] <... memfd_create resumed>) = 3 [pid 5845] <... rmdir resumed>) = 0 [pid 5946] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5945] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5844] <... umount2 resumed>) = 0 [pid 5845] mkdir("./18", 0777 [pid 5946] <... mmap resumed>) = 0x7f8e0a400000 [pid 5844] umount2("./19/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5845] <... mkdir resumed>) = 0 [pid 5945] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5945] rename(NULL, NULL [pid 5845] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5945] <... rename resumed>) = -1 EFAULT (Bad address) [pid 5844] newfstatat(AT_FDCWD, "./19/bus", [pid 5945] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5845] <... openat resumed>) = 3 [pid 5945] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5845] ioctl(3, LOOP_CLR_FD [pid 5844] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5945] exit_group(0 [pid 5845] <... ioctl resumed>) = 0 [pid 5844] umount2("./19/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5843] <... close resumed>) = 0 [pid 5945] <... exit_group resumed>) = ? [pid 5845] close(3 [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5844] openat(AT_FDCWD, "./19/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 ./strace-static-x86_64: Process 5947 attached [pid 5945] +++ exited with 0 +++ [pid 5844] newfstatat(4, "", [pid 5843] <... clone resumed>, child_tidptr=0x55557f708650) = 5947 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5945, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 5844] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5846] restart_syscall(<... resuming interrupted clone ...> [pid 5844] getdents64(4, [pid 5947] set_robust_list(0x55557f708660, 24 [pid 5846] <... restart_syscall resumed>) = 0 [pid 5844] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5947] <... set_robust_list resumed>) = 0 [pid 5947] chdir("./18" [pid 5844] getdents64(4, [pid 5947] <... chdir resumed>) = 0 [pid 5947] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5844] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5846] umount2("./19", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5844] close(4 [pid 5846] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5947] <... prctl resumed>) = 0 [pid 5844] <... close resumed>) = 0 [pid 5846] openat(AT_FDCWD, "./19", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5947] setpgid(0, 0 [pid 5844] rmdir("./19/bus" [pid 5947] <... setpgid resumed>) = 0 [pid 5846] <... openat resumed>) = 3 [pid 5947] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5844] <... rmdir resumed>) = 0 [pid 5846] newfstatat(3, "", [pid 5947] <... openat resumed>) = 3 [pid 5846] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5844] getdents64(3, [pid 5947] write(3, "1000", 4 [pid 5846] getdents64(3, [pid 5844] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5846] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5844] close(3 [pid 5846] umount2("./19/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5844] <... close resumed>) = 0 [pid 5846] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5844] rmdir("./19" [pid 5846] newfstatat(AT_FDCWD, "./19/binderfs", [pid 5947] <... write resumed>) = 4 [pid 5947] close(3 [pid 5844] <... rmdir resumed>) = 0 [pid 5846] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5947] <... close resumed>) = 0 [pid 5846] unlink("./19/binderfs" [pid 5844] mkdir("./20", 0777 [pid 5947] symlink("/dev/binderfs", "./binderfs" [pid 5846] <... unlink resumed>) = 0 [pid 5947] <... symlink resumed>) = 0 [pid 5846] umount2("./19/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5844] <... mkdir resumed>) = 0 executing program [pid 5947] write(1, "executing program\n", 18 [pid 5844] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5947] <... write resumed>) = 18 [pid 5947] memfd_create("syzkaller", 0 [pid 5844] <... openat resumed>) = 3 [pid 5844] ioctl(3, LOOP_CLR_FD) = 0 [pid 5844] close(3 [pid 5947] <... memfd_create resumed>) = 3 [pid 5947] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 [pid 5845] <... close resumed>) = 0 [pid 5846] <... umount2 resumed>) = 0 [pid 5845] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5946] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5846] umount2("./19/bus", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5948 attached [pid 5948] set_robust_list(0x55557f708660, 24 [pid 5846] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5846] newfstatat(AT_FDCWD, "./19/bus", [pid 5845] <... clone resumed>, child_tidptr=0x55557f708650) = 5948 [pid 5948] <... set_robust_list resumed>) = 0 [pid 5948] chdir("./18") = 0 [pid 5846] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5948] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5948] setpgid(0, 0) = 0 [pid 5948] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5948] write(3, "1000", 4) = 4 [pid 5846] umount2("./19/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5948] close(3 [pid 5846] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5948] <... close resumed>) = 0 [pid 5948] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5948] write(1, "executing program\n", 18) = 18 [pid 5948] memfd_create("syzkaller", 0 [pid 5846] openat(AT_FDCWD, "./19/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5844] <... close resumed>) = 0 [pid 5846] newfstatat(4, "", [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5949 attached [pid 5846] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5846] getdents64(4, [pid 5948] <... memfd_create resumed>) = 3 [pid 5948] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 [pid 5846] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5949] set_robust_list(0x55557f708660, 24 [pid 5946] <... write resumed>) = 2097152 [pid 5846] getdents64(4, [pid 5949] <... set_robust_list resumed>) = 0 [pid 5844] <... clone resumed>, child_tidptr=0x55557f708650) = 5949 [pid 5949] chdir("./20" [pid 5946] munmap(0x7f8e0a400000, 138412032 [pid 5846] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5949] <... chdir resumed>) = 0 [pid 5947] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5846] close(4 [pid 5949] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5846] <... close resumed>) = 0 [pid 5949] <... prctl resumed>) = 0 [pid 5949] setpgid(0, 0) = 0 [pid 5949] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5946] <... munmap resumed>) = 0 [pid 5846] rmdir("./19/bus") = 0 [pid 5946] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5949] <... openat resumed>) = 3 [pid 5946] <... openat resumed>) = 4 [pid 5846] getdents64(3, [pid 5946] ioctl(4, LOOP_SET_FD, 3 [pid 5846] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5846] close(3 [pid 5949] write(3, "1000", 4 [pid 5946] <... ioctl resumed>) = 0 [pid 5846] <... close resumed>) = 0 [pid 5949] <... write resumed>) = 4 [pid 5946] close(3 [pid 5846] rmdir("./19" [pid 5949] close(3 [pid 5946] <... close resumed>) = 0 [pid 5949] <... close resumed>) = 0 [pid 5946] close(4 [pid 5846] <... rmdir resumed>) = 0 [pid 5949] symlink("/dev/binderfs", "./binderfs" [pid 5946] <... close resumed>) = 0 [pid 5846] mkdir("./20", 0777 [pid 5946] mkdir("./bus", 0777 [pid 5949] <... symlink resumed>) = 0 [pid 5948] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5947] <... write resumed>) = 2097152 executing program [pid 5946] <... mkdir resumed>) = 0 [pid 5846] <... mkdir resumed>) = 0 [pid 5949] write(1, "executing program\n", 18 [pid 5946] mount("/dev/loop0", "./bus", "ntfs3", 0, "" [pid 5846] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5949] <... write resumed>) = 18 [pid 5947] munmap(0x7f8e0a400000, 138412032 [pid 5846] <... openat resumed>) = 3 [pid 5846] ioctl(3, LOOP_CLR_FD) = 0 [pid 5949] memfd_create("syzkaller", 0 [pid 5846] close(3 [pid 5947] <... munmap resumed>) = 0 [ 112.197262][ T5946] loop0: detected capacity change from 0 to 4096 [pid 5949] <... memfd_create resumed>) = 3 [pid 5949] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 [pid 5947] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5947] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5846] <... close resumed>) = 0 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5950 attached [pid 5950] set_robust_list(0x55557f708660, 24 [pid 5846] <... clone resumed>, child_tidptr=0x55557f708650) = 5950 [pid 5950] <... set_robust_list resumed>) = 0 [pid 5950] chdir("./20" [pid 5948] <... write resumed>) = 2097152 [pid 5950] <... chdir resumed>) = 0 [pid 5949] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5947] close(3 [pid 5950] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5947] <... close resumed>) = 0 [pid 5947] close(4) = 0 [pid 5947] mkdir("./bus", 0777 [pid 5946] <... mount resumed>) = 0 [pid 5950] setpgid(0, 0 [pid 5946] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5950] <... setpgid resumed>) = 0 [pid 5950] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5947] <... mkdir resumed>) = 0 [pid 5946] <... openat resumed>) = 3 [pid 5946] chdir("./bus" [pid 5950] write(3, "1000", 4 [pid 5948] munmap(0x7f8e0a400000, 138412032 [pid 5950] <... write resumed>) = 4 [pid 5946] <... chdir resumed>) = 0 [pid 5947] mount("/dev/loop1", "./bus", "ntfs3", 0, "" [pid 5950] close(3 [pid 5946] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5950] <... close resumed>) = 0 [pid 5950] symlink("/dev/binderfs", "./binderfs" [pid 5946] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5950] <... symlink resumed>) = 0 [pid 5946] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5950] write(1, "executing program\n", 18 [pid 5946] sched_setscheduler(0, SCHED_RR, NULLexecuting program [ 112.289326][ T5947] loop1: detected capacity change from 0 to 4096 [pid 5948] <... munmap resumed>) = 0 [pid 5950] <... write resumed>) = 18 [pid 5946] <... sched_setscheduler resumed>) = -1 EINVAL (Invalid argument) [pid 5948] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 5948] ioctl(4, LOOP_SET_FD, 3 [pid 5950] memfd_create("syzkaller", 0 [pid 5946] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 5950] <... memfd_create resumed>) = 3 [pid 5946] read(4, [pid 5950] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 [pid 5948] <... ioctl resumed>) = 0 [pid 5948] close(3) = 0 [pid 5948] close(4) = 0 [pid 5949] <... write resumed>) = 2097152 [pid 5948] mkdir("./bus", 0777) = 0 [pid 5948] mount("/dev/loop3", "./bus", "ntfs3", 0, "" [pid 5949] munmap(0x7f8e0a400000, 138412032) = 0 [ 112.352604][ T5948] loop3: detected capacity change from 0 to 4096 [pid 5947] <... mount resumed>) = 0 [pid 5949] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5947] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5949] <... openat resumed>) = 4 [pid 5949] ioctl(4, LOOP_SET_FD, 3 [pid 5947] <... openat resumed>) = 3 [pid 5947] chdir("./bus") = 0 [pid 5950] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5947] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5947] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5947] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5947] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 5947] read(4, [pid 5949] <... ioctl resumed>) = 0 [pid 5949] close(3) = 0 [pid 5949] close(4) = 0 [pid 5949] mkdir("./bus", 0777) = 0 [ 112.426132][ T5949] loop2: detected capacity change from 0 to 4096 [pid 5949] mount("/dev/loop2", "./bus", "ntfs3", 0, "" [pid 5948] <... mount resumed>) = 0 [pid 5948] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5948] chdir("./bus") = 0 [pid 5948] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5948] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5948] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5948] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 5948] read(4, [pid 5950] <... write resumed>) = 2097152 [pid 5950] munmap(0x7f8e0a400000, 138412032) = 0 [pid 5950] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 5950] ioctl(4, LOOP_SET_FD, 3 [pid 5949] <... mount resumed>) = 0 [pid 5950] <... ioctl resumed>) = 0 [pid 5950] close(3 [pid 5949] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5950] <... close resumed>) = 0 [pid 5949] chdir("./bus") = 0 [pid 5949] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5950] close(4 [pid 5949] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5950] <... close resumed>) = 0 [pid 5949] sched_setaffinity(0, 0, NULL [pid 5950] mkdir("./bus", 0777 [pid 5949] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5949] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5949] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 5949] read(4, [pid 5950] <... mkdir resumed>) = 0 [ 112.527440][ T5950] loop4: detected capacity change from 0 to 4096 [pid 5950] mount("/dev/loop4", "./bus", "ntfs3", 0, "") = 0 [pid 5950] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5950] chdir("./bus") = 0 [pid 5950] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5950] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5950] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5950] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 5950] read(4, [pid 5946] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5947] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5946] sched_setaffinity(0, 0, NULL [pid 5947] sched_setaffinity(0, 0, NULL [pid 5946] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5947] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5947] rename(NULL, NULL [pid 5946] rename(NULL, NULL [pid 5947] <... rename resumed>) = -1 EFAULT (Bad address) [pid 5946] <... rename resumed>) = -1 EFAULT (Bad address) [pid 5947] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5946] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5947] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5946] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5947] exit_group(0 [pid 5946] exit_group(0) = ? [pid 5947] <... exit_group resumed>) = ? [pid 5946] +++ exited with 0 +++ [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5946, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 5842] restart_syscall(<... resuming interrupted clone ...> [pid 5947] +++ exited with 0 +++ [pid 5843] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5947, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 5842] <... restart_syscall resumed>) = 0 [pid 5843] restart_syscall(<... resuming interrupted clone ...> [pid 5842] umount2("./18", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5843] <... restart_syscall resumed>) = 0 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] openat(AT_FDCWD, "./18", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5843] umount2("./18", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] newfstatat(3, "", [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5843] openat(AT_FDCWD, "./18", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5842] getdents64(3, [pid 5843] <... openat resumed>) = 3 [pid 5842] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5843] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5842] umount2("./18/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5843] getdents64(3, [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5842] newfstatat(AT_FDCWD, "./18/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] umount2("./18/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] unlink("./18/binderfs" [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] <... unlink resumed>) = 0 [pid 5843] newfstatat(AT_FDCWD, "./18/binderfs", [pid 5842] umount2("./18/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5843] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] unlink("./18/binderfs" [pid 5842] <... umount2 resumed>) = 0 [pid 5843] <... unlink resumed>) = 0 [pid 5843] umount2("./18/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 5842] umount2("./18/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5843] umount2("./18/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] newfstatat(AT_FDCWD, "./18/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] newfstatat(AT_FDCWD, "./18/bus", [pid 5842] umount2("./18/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5843] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] openat(AT_FDCWD, "./18/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5842] newfstatat(4, "", [pid 5843] umount2("./18/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5843] openat(AT_FDCWD, "./18/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5842] getdents64(4, [pid 5843] <... openat resumed>) = 4 [pid 5842] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5843] newfstatat(4, "", [pid 5842] getdents64(4, [pid 5843] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5842] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5949] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5843] getdents64(4, [pid 5842] close(4 [pid 5949] sched_setaffinity(0, 0, NULL [pid 5842] <... close resumed>) = 0 [pid 5949] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5843] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5949] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 5949] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 5949] exit_group(0 [pid 5843] getdents64(4, [pid 5842] rmdir("./18/bus" [pid 5843] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5949] <... exit_group resumed>) = ? [pid 5843] close(4) = 0 [pid 5842] <... rmdir resumed>) = 0 [pid 5843] rmdir("./18/bus" [pid 5842] getdents64(3, [pid 5949] +++ exited with 0 +++ [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5949, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 5843] <... rmdir resumed>) = 0 [pid 5842] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5842] close(3 [pid 5844] umount2("./20", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] <... close resumed>) = 0 [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] rmdir("./18" [pid 5844] openat(AT_FDCWD, "./20", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5842] <... rmdir resumed>) = 0 [pid 5844] newfstatat(3, "", [pid 5843] getdents64(3, [pid 5844] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5843] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5844] getdents64(3, [pid 5843] close(3 [pid 5844] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5843] <... close resumed>) = 0 [pid 5844] umount2("./20/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5843] rmdir("./18") = 0 [pid 5843] mkdir("./19", 0777 [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5844] newfstatat(AT_FDCWD, "./20/binderfs", [pid 5843] <... mkdir resumed>) = 0 [pid 5844] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] unlink("./20/binderfs" [pid 5842] mkdir("./19", 0777 [pid 5844] <... unlink resumed>) = 0 [pid 5843] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5842] <... mkdir resumed>) = 0 [pid 5844] umount2("./20/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5843] <... openat resumed>) = 3 [pid 5844] <... umount2 resumed>) = 0 [pid 5843] ioctl(3, LOOP_CLR_FD) = 0 [pid 5842] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5843] close(3 [pid 5842] <... openat resumed>) = 3 [pid 5842] ioctl(3, LOOP_CLR_FD [pid 5844] umount2("./20/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] <... ioctl resumed>) = 0 [pid 5842] close(3 [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5950] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5844] newfstatat(AT_FDCWD, "./20/bus", [pid 5950] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5950] rename(NULL, NULL [pid 5844] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] <... close resumed>) = 0 [pid 5950] <... rename resumed>) = -1 EFAULT (Bad address) [pid 5950] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 5843] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5951 attached [pid 5950] exit_group(0 [pid 5844] umount2("./20/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5951] set_robust_list(0x55557f708660, 24 [pid 5844] openat(AT_FDCWD, "./20/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5951] <... set_robust_list resumed>) = 0 [pid 5950] <... exit_group resumed>) = ? [pid 5951] chdir("./19" [pid 5950] +++ exited with 0 +++ [pid 5844] <... openat resumed>) = 4 [pid 5844] newfstatat(4, "", [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5950, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 5846] restart_syscall(<... resuming interrupted clone ...> [pid 5844] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5951] <... chdir resumed>) = 0 [pid 5948] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5846] <... restart_syscall resumed>) = 0 [pid 5844] getdents64(4, [pid 5843] <... clone resumed>, child_tidptr=0x55557f708650) = 5951 [pid 5842] <... close resumed>) = 0 [pid 5951] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5844] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5951] <... prctl resumed>) = 0 [pid 5844] getdents64(4, [pid 5846] umount2("./20", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5844] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5951] setpgid(0, 0 [pid 5846] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5844] close(4 [pid 5846] openat(AT_FDCWD, "./20", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5844] <... close resumed>) = 0 [pid 5951] <... setpgid resumed>) = 0 [pid 5846] <... openat resumed>) = 3 [pid 5844] rmdir("./20/bus" [pid 5951] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5846] newfstatat(3, "", [pid 5844] <... rmdir resumed>) = 0 [pid 5951] write(3, "1000", 4) = 4 [pid 5951] close(3 [pid 5846] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5844] getdents64(3, [pid 5951] <... close resumed>) = 0 [pid 5951] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5951] write(1, "executing program\n", 18) = 18 executing program [pid 5844] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5844] close(3 [pid 5846] getdents64(3, [pid 5844] <... close resumed>) = 0 [pid 5844] rmdir("./20" [pid 5846] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5844] <... rmdir resumed>) = 0 [pid 5846] umount2("./20/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5844] mkdir("./21", 0777 [pid 5846] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5846] newfstatat(AT_FDCWD, "./20/binderfs", [pid 5844] <... mkdir resumed>) = 0 [pid 5948] sched_setaffinity(0, 0, NULL [pid 5951] memfd_create("syzkaller", 0 [pid 5846] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5846] unlink("./20/binderfs" [pid 5844] <... openat resumed>) = 3 [pid 5948] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5846] <... unlink resumed>) = 0 [pid 5844] ioctl(3, LOOP_CLR_FD [pid 5951] <... memfd_create resumed>) = 3 [pid 5948] rename(NULL, NULL [pid 5951] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5948] <... rename resumed>) = -1 EFAULT (Bad address) [pid 5951] <... mmap resumed>) = 0x7f8e0a400000 [pid 5948] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000./strace-static-x86_64: Process 5952 attached ) = -1 EFAULT (Bad address) [pid 5846] umount2("./20/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5844] <... ioctl resumed>) = 0 [pid 5948] exit_group(0 [pid 5844] close(3 [pid 5948] <... exit_group resumed>) = ? [pid 5952] set_robust_list(0x55557f708660, 24 [pid 5948] +++ exited with 0 +++ [pid 5842] <... clone resumed>, child_tidptr=0x55557f708650) = 5952 [pid 5845] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5948, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 5845] umount2("./18", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5846] <... umount2 resumed>) = 0 [pid 5845] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5845] openat(AT_FDCWD, "./18", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5952] <... set_robust_list resumed>) = 0 [pid 5846] umount2("./20/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5845] <... openat resumed>) = 3 [pid 5846] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5845] newfstatat(3, "", [pid 5952] chdir("./19" [pid 5846] newfstatat(AT_FDCWD, "./20/bus", [pid 5845] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5845] getdents64(3, [pid 5846] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5845] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5952] <... chdir resumed>) = 0 [pid 5846] umount2("./20/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5845] umount2("./18/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5846] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 5846] openat(AT_FDCWD, "./20/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5845] newfstatat(AT_FDCWD, "./18/binderfs", [pid 5952] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5845] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5952] <... prctl resumed>) = 0 [pid 5846] <... openat resumed>) = 4 [pid 5952] setpgid(0, 0 [pid 5846] newfstatat(4, "", [pid 5845] unlink("./18/binderfs" [pid 5952] <... setpgid resumed>) = 0 [pid 5845] <... unlink resumed>) = 0 [pid 5952] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5845] umount2("./18/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5846] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5952] <... openat resumed>) = 3 [pid 5952] write(3, "1000", 4 [pid 5846] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5952] <... write resumed>) = 4 [pid 5846] getdents64(4, [pid 5952] close(3 [pid 5846] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5952] <... close resumed>) = 0 [pid 5846] close(4 [pid 5952] symlink("/dev/binderfs", "./binderfs" [pid 5846] <... close resumed>) = 0 [pid 5952] <... symlink resumed>) = 0 [pid 5846] rmdir("./20/bus" [pid 5952] write(1, "executing program\n", 18 [pid 5846] <... rmdir resumed>) = 0 [pid 5952] <... write resumed>) = 18 [pid 5952] memfd_create("syzkaller", 0 [pid 5846] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5952] <... memfd_create resumed>) = 3 [pid 5846] close(3 [pid 5845] <... umount2 resumed>) = 0 [pid 5844] <... close resumed>) = 0 [pid 5846] <... close resumed>) = 0 [pid 5952] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 [pid 5846] rmdir("./20" [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5846] <... rmdir resumed>) = 0 [pid 5845] umount2("./18/bus", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5953 attached [pid 5951] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5846] mkdir("./21", 0777 [pid 5845] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5953] set_robust_list(0x55557f708660, 24 [pid 5845] newfstatat(AT_FDCWD, "./18/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5953] <... set_robust_list resumed>) = 0 [pid 5846] <... mkdir resumed>) = 0 [pid 5844] <... clone resumed>, child_tidptr=0x55557f708650) = 5953 [pid 5953] chdir("./21" [pid 5846] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5845] umount2("./18/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5953] <... chdir resumed>) = 0 [pid 5846] <... openat resumed>) = 3 [pid 5845] openat(AT_FDCWD, "./18/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5953] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5846] ioctl(3, LOOP_CLR_FD [pid 5953] <... prctl resumed>) = 0 [pid 5953] setpgid(0, 0 [pid 5846] <... ioctl resumed>) = 0 [pid 5845] <... openat resumed>) = 4 [pid 5953] <... setpgid resumed>) = 0 [pid 5845] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5845] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5953] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5846] close(3 [pid 5845] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5845] close(4) = 0 [pid 5845] rmdir("./18/bus") = 0 [pid 5845] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5845] close(3) = 0 [pid 5845] rmdir("./18") = 0 [pid 5953] <... openat resumed>) = 3 [pid 5953] write(3, "1000", 4 [pid 5845] mkdir("./19", 0777) = 0 [pid 5845] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5845] ioctl(3, LOOP_CLR_FD) = 0 [pid 5845] close(3 [pid 5953] <... write resumed>) = 4 [pid 5953] close(3) = 0 [pid 5953] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5953] write(1, "executing program\n", 18executing program ) = 18 [pid 5953] memfd_create("syzkaller", 0 [pid 5952] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5953] <... memfd_create resumed>) = 3 [pid 5953] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 [pid 5951] <... write resumed>) = 2097152 [pid 5846] <... close resumed>) = 0 [pid 5951] munmap(0x7f8e0a400000, 138412032 [pid 5845] <... close resumed>) = 0 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5845] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5954 attached [pid 5954] set_robust_list(0x55557f708660, 24 [pid 5845] <... clone resumed>, child_tidptr=0x55557f708650) = 5954 [pid 5954] <... set_robust_list resumed>) = 0 [pid 5954] chdir("./19") = 0 [pid 5954] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5951] <... munmap resumed>) = 0 [pid 5954] <... prctl resumed>) = 0 [pid 5954] setpgid(0, 0) = 0 ./strace-static-x86_64: Process 5955 attached [pid 5954] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5846] <... clone resumed>, child_tidptr=0x55557f708650) = 5955 [pid 5954] write(3, "1000", 4) = 4 [pid 5955] set_robust_list(0x55557f708660, 24 [pid 5954] close(3) = 0 executing program [pid 5954] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5954] write(1, "executing program\n", 18) = 18 [pid 5954] memfd_create("syzkaller", 0 [pid 5955] <... set_robust_list resumed>) = 0 [pid 5951] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5955] chdir("./21" [pid 5954] <... memfd_create resumed>) = 3 [pid 5951] <... openat resumed>) = 4 [pid 5951] ioctl(4, LOOP_SET_FD, 3 [pid 5954] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 [pid 5951] <... ioctl resumed>) = 0 [pid 5955] <... chdir resumed>) = 0 [pid 5955] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5953] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5955] setpgid(0, 0) = 0 [pid 5952] <... write resumed>) = 2097152 [pid 5955] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5952] munmap(0x7f8e0a400000, 138412032 [pid 5951] close(3) = 0 [pid 5951] close(4) = 0 [pid 5955] write(3, "1000", 4) = 4 [pid 5952] <... munmap resumed>) = 0 [pid 5951] mkdir("./bus", 0777 [pid 5955] close(3) = 0 [pid 5951] <... mkdir resumed>) = 0 [pid 5955] symlink("/dev/binderfs", "./binderfs" [pid 5953] <... write resumed>) = 2097152 [pid 5952] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5951] mount("/dev/loop1", "./bus", "ntfs3", 0, "" [pid 5955] <... symlink resumed>) = 0 [ 113.198670][ T5951] loop1: detected capacity change from 0 to 4096 executing program [pid 5955] write(1, "executing program\n", 18 [pid 5953] munmap(0x7f8e0a400000, 138412032 [pid 5952] <... openat resumed>) = 4 [pid 5955] <... write resumed>) = 18 [pid 5955] memfd_create("syzkaller", 0 [pid 5952] ioctl(4, LOOP_SET_FD, 3 [pid 5954] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5955] <... memfd_create resumed>) = 3 [pid 5955] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 [pid 5953] <... munmap resumed>) = 0 [pid 5952] <... ioctl resumed>) = 0 [pid 5953] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5952] close(3) = 0 [pid 5953] <... openat resumed>) = 4 [pid 5952] close(4) = 0 [pid 5952] mkdir("./bus", 0777) = 0 [pid 5952] mount("/dev/loop0", "./bus", "ntfs3", 0, "" [pid 5953] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5953] close(3) = 0 [pid 5953] close(4) = 0 [ 113.260474][ T5952] loop0: detected capacity change from 0 to 4096 [ 113.299438][ T5953] loop2: detected capacity change from 0 to 4096 [pid 5953] mkdir("./bus", 0777) = 0 [pid 5953] mount("/dev/loop2", "./bus", "ntfs3", 0, "" [pid 5954] <... write resumed>) = 2097152 [pid 5954] munmap(0x7f8e0a400000, 138412032 [pid 5955] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5951] <... mount resumed>) = 0 [pid 5951] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5954] <... munmap resumed>) = 0 [pid 5951] <... openat resumed>) = 3 [pid 5951] chdir("./bus") = 0 [pid 5951] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5954] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5951] sched_setaffinity(0, 0, NULL [pid 5954] <... openat resumed>) = 4 [pid 5954] ioctl(4, LOOP_SET_FD, 3 [pid 5951] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5954] <... ioctl resumed>) = 0 [pid 5951] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5951] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5954] close(3 [pid 5951] <... openat resumed>) = 4 [pid 5954] <... close resumed>) = 0 [pid 5954] close(4 [pid 5951] read(4, [pid 5954] <... close resumed>) = 0 [pid 5954] mkdir("./bus", 0777) = 0 [pid 5954] mount("/dev/loop3", "./bus", "ntfs3", 0, "" [pid 5952] <... mount resumed>) = 0 [pid 5953] <... mount resumed>) = 0 [pid 5953] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5952] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5952] chdir("./bus" [pid 5953] <... openat resumed>) = 3 [pid 5952] <... chdir resumed>) = 0 [pid 5953] chdir("./bus" [ 113.383465][ T5954] loop3: detected capacity change from 0 to 4096 [pid 5952] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5953] <... chdir resumed>) = 0 [pid 5952] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5955] <... write resumed>) = 2097152 [pid 5953] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5952] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5953] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5952] sched_setscheduler(0, SCHED_RR, NULL [pid 5953] sched_setaffinity(0, 0, NULL [pid 5952] <... sched_setscheduler resumed>) = -1 EINVAL (Invalid argument) [pid 5955] munmap(0x7f8e0a400000, 138412032 [pid 5953] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5952] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5953] sched_setscheduler(0, SCHED_RR, NULL [pid 5952] <... openat resumed>) = 4 [pid 5953] <... sched_setscheduler resumed>) = -1 EINVAL (Invalid argument) [pid 5952] read(4, [pid 5953] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 5953] read(4, [pid 5955] <... munmap resumed>) = 0 [pid 5955] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 5955] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5955] close(3) = 0 [pid 5955] close(4) = 0 [pid 5954] <... mount resumed>) = 0 [pid 5955] mkdir("./bus", 0777) = 0 [pid 5955] mount("/dev/loop4", "./bus", "ntfs3", 0, "" [pid 5954] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5954] chdir("./bus") = 0 [pid 5954] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5954] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5954] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5954] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [ 113.538565][ T5955] loop4: detected capacity change from 0 to 4096 [pid 5954] read(4, [pid 5955] <... mount resumed>) = 0 [pid 5955] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5955] chdir("./bus") = 0 [pid 5955] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5955] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5955] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5955] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 5955] read(4, [pid 5953] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5953] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5953] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 5953] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 5953] exit_group(0) = ? [pid 5953] +++ exited with 0 +++ [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5953, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5844] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5844] umount2("./21", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5951] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5844] openat(AT_FDCWD, "./21", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5951] sched_setaffinity(0, 0, NULL [pid 5844] <... openat resumed>) = 3 [pid 5951] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5951] rename(NULL, NULL [pid 5844] newfstatat(3, "", [pid 5951] <... rename resumed>) = -1 EFAULT (Bad address) [pid 5951] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5844] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5844] getdents64(3, [pid 5951] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5951] exit_group(0 [pid 5844] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5951] <... exit_group resumed>) = ? [pid 5844] umount2("./21/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] newfstatat(AT_FDCWD, "./21/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5951] +++ exited with 0 +++ [pid 5844] unlink("./21/binderfs") = 0 [pid 5843] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5951, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=26 /* 0.26 s */} --- [pid 5843] restart_syscall(<... resuming interrupted clone ...> [pid 5844] umount2("./21/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 5954] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5843] <... restart_syscall resumed>) = 0 [pid 5954] sched_setaffinity(0, 0, NULL [pid 5844] umount2("./21/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] newfstatat(AT_FDCWD, "./21/bus", [pid 5843] umount2("./19", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5954] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5844] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5954] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 5844] umount2("./21/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5843] openat(AT_FDCWD, "./19", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5954] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] <... openat resumed>) = 3 [pid 5954] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5954] exit_group(0 [pid 5844] openat(AT_FDCWD, "./21/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5843] newfstatat(3, "", [pid 5954] <... exit_group resumed>) = ? [pid 5844] <... openat resumed>) = 4 [pid 5844] newfstatat(4, "", [pid 5843] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5844] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5843] getdents64(3, [pid 5844] getdents64(4, [pid 5843] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5844] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5844] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5844] close(4 [pid 5843] umount2("./19/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5844] <... close resumed>) = 0 [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] newfstatat(AT_FDCWD, "./19/binderfs", [pid 5844] rmdir("./21/bus" [pid 5843] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] <... rmdir resumed>) = 0 [pid 5843] unlink("./19/binderfs") = 0 [pid 5844] getdents64(3, [pid 5954] +++ exited with 0 +++ [pid 5843] umount2("./19/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5845] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5954, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 5843] <... umount2 resumed>) = 0 [pid 5844] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5845] umount2("./19", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5844] close(3 [pid 5955] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5845] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5844] <... close resumed>) = 0 [pid 5843] umount2("./19/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5845] openat(AT_FDCWD, "./19", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5844] rmdir("./21" [pid 5955] sched_setaffinity(0, 0, NULL [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5955] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5843] newfstatat(AT_FDCWD, "./19/bus", [pid 5955] rename(NULL, NULL [pid 5843] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5955] <... rename resumed>) = -1 EFAULT (Bad address) [pid 5844] <... rmdir resumed>) = 0 [pid 5843] umount2("./19/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5955] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5845] <... openat resumed>) = 3 [pid 5955] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5955] exit_group(0 [pid 5843] openat(AT_FDCWD, "./19/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5955] <... exit_group resumed>) = ? [pid 5843] <... openat resumed>) = 4 [pid 5845] newfstatat(3, "", [pid 5844] mkdir("./22", 0777 [pid 5843] newfstatat(4, "", [pid 5845] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5843] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5955] +++ exited with 0 +++ [pid 5845] getdents64(3, [pid 5844] <... mkdir resumed>) = 0 [pid 5843] getdents64(4, [pid 5845] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5843] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5843] getdents64(4, [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5955, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 5845] umount2("./19/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5843] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5843] close(4 [pid 5845] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] <... close resumed>) = 0 [pid 5845] newfstatat(AT_FDCWD, "./19/binderfs", [pid 5844] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5843] rmdir("./19/bus" [pid 5844] <... openat resumed>) = 3 [pid 5846] umount2("./21", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5845] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] <... rmdir resumed>) = 0 [pid 5846] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5845] unlink("./19/binderfs" [pid 5846] openat(AT_FDCWD, "./21", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5844] ioctl(3, LOOP_CLR_FD [pid 5846] <... openat resumed>) = 3 [pid 5844] <... ioctl resumed>) = 0 [pid 5846] newfstatat(3, "", [pid 5844] close(3 [pid 5843] getdents64(3, [pid 5846] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5845] <... unlink resumed>) = 0 [pid 5952] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5846] getdents64(3, [pid 5845] umount2("./19/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5843] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5843] close(3) = 0 [pid 5843] rmdir("./19" [pid 5846] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5846] umount2("./21/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5844] <... close resumed>) = 0 [pid 5843] <... rmdir resumed>) = 0 [pid 5952] sched_setaffinity(0, 0, NULL [pid 5846] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5845] <... umount2 resumed>) = 0 [pid 5952] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5846] newfstatat(AT_FDCWD, "./21/binderfs", [pid 5845] umount2("./19/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5843] mkdir("./20", 0777 [pid 5952] rename(NULL, NULL [pid 5846] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5845] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5952] <... rename resumed>) = -1 EFAULT (Bad address) [pid 5845] newfstatat(AT_FDCWD, "./19/bus", [pid 5952] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5845] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5952] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5846] unlink("./21/binderfs" [pid 5845] umount2("./19/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5952] exit_group(0 [pid 5846] <... unlink resumed>) = 0 [pid 5845] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 5956 attached [pid 5844] <... clone resumed>, child_tidptr=0x55557f708650) = 5956 [pid 5956] set_robust_list(0x55557f708660, 24 [pid 5952] <... exit_group resumed>) = ? [pid 5846] umount2("./21/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5845] openat(AT_FDCWD, "./19/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5843] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5956] <... set_robust_list resumed>) = 0 [pid 5845] <... openat resumed>) = 4 [pid 5843] <... openat resumed>) = 3 [pid 5845] newfstatat(4, "", [pid 5956] chdir("./22" [pid 5845] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5845] getdents64(4, [pid 5843] ioctl(3, LOOP_CLR_FD [pid 5956] <... chdir resumed>) = 0 [pid 5846] <... umount2 resumed>) = 0 [pid 5956] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5843] <... ioctl resumed>) = 0 [pid 5845] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5956] setpgid(0, 0 [pid 5843] close(3 [pid 5956] <... setpgid resumed>) = 0 [pid 5952] +++ exited with 0 +++ [pid 5956] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5845] getdents64(4, [pid 5956] <... openat resumed>) = 3 [pid 5846] umount2("./21/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5845] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5952, si_uid=0, si_status=0, si_utime=0, si_stime=28 /* 0.28 s */} --- [pid 5956] write(3, "1000", 4 [pid 5846] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5845] close(4 [pid 5842] restart_syscall(<... resuming interrupted clone ...> [pid 5956] <... write resumed>) = 4 [pid 5846] newfstatat(AT_FDCWD, "./21/bus", [pid 5956] close(3 [pid 5845] <... close resumed>) = 0 [pid 5842] <... restart_syscall resumed>) = 0 [pid 5846] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5845] rmdir("./19/bus" [pid 5956] <... close resumed>) = 0 [pid 5846] umount2("./21/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5956] symlink("/dev/binderfs", "./binderfs" [pid 5845] <... rmdir resumed>) = 0 [pid 5846] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5846] openat(AT_FDCWD, "./21/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5956] <... symlink resumed>) = 0 [pid 5846] <... openat resumed>) = 4 [pid 5845] getdents64(3, [pid 5842] umount2("./19", MNT_FORCE|UMOUNT_NOFOLLOWexecuting program [pid 5956] write(1, "executing program\n", 18 [pid 5846] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5956] <... write resumed>) = 18 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5846] getdents64(4, [pid 5845] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5842] openat(AT_FDCWD, "./19", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5956] memfd_create("syzkaller", 0 [pid 5842] <... openat resumed>) = 3 [pid 5846] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5842] newfstatat(3, "", [pid 5956] <... memfd_create resumed>) = 3 [pid 5846] getdents64(4, [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5956] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5846] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5845] close(3 [pid 5846] close(4 [pid 5842] getdents64(3, [pid 5846] <... close resumed>) = 0 [pid 5845] <... close resumed>) = 0 [pid 5842] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5956] <... mmap resumed>) = 0x7f8e0a400000 [pid 5846] rmdir("./21/bus" [pid 5845] rmdir("./19" [pid 5842] umount2("./19/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5846] <... rmdir resumed>) = 0 [pid 5845] <... rmdir resumed>) = 0 [pid 5842] newfstatat(AT_FDCWD, "./19/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5846] getdents64(3, [pid 5845] mkdir("./20", 0777) = 0 [pid 5846] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5842] unlink("./19/binderfs" [pid 5845] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5846] close(3) = 0 [pid 5845] <... openat resumed>) = 3 [pid 5842] <... unlink resumed>) = 0 [pid 5846] rmdir("./21" [pid 5845] ioctl(3, LOOP_CLR_FD [pid 5846] <... rmdir resumed>) = 0 [pid 5845] <... ioctl resumed>) = 0 [pid 5842] umount2("./19/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5845] close(3 [pid 5846] mkdir("./22", 0777) = 0 [pid 5843] <... close resumed>) = 0 [pid 5846] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5842] <... umount2 resumed>) = 0 [pid 5846] <... openat resumed>) = 3 [pid 5842] umount2("./19/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5846] ioctl(3, LOOP_CLR_FD) = 0 [pid 5846] close(3 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./19/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5957 attached , child_tidptr=0x55557f708650) = 5957 [pid 5957] set_robust_list(0x55557f708660, 24) = 0 [pid 5957] chdir("./20") = 0 [pid 5957] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5957] setpgid(0, 0) = 0 [pid 5957] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5842] umount2("./19/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5957] <... openat resumed>) = 3 [pid 5957] write(3, "1000", 4 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] openat(AT_FDCWD, "./19/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5845] <... close resumed>) = 0 [pid 5842] <... openat resumed>) = 4 [pid 5842] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5957] <... write resumed>) = 4 [pid 5845] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5842] getdents64(4, [pid 5957] close(3) = 0 [pid 5842] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5957] symlink("/dev/binderfs", "./binderfs" [pid 5842] getdents64(4, [pid 5957] <... symlink resumed>) = 0 [pid 5842] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5842] close(4 [pid 5957] write(1, "executing program\n", 18 [pid 5842] <... close resumed>) = 0 executing program [pid 5842] rmdir("./19/bus" [pid 5957] <... write resumed>) = 18 [pid 5957] memfd_create("syzkaller", 0 [pid 5842] <... rmdir resumed>) = 0 [pid 5842] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5842] close(3) = 0 ./strace-static-x86_64: Process 5958 attached [pid 5846] <... close resumed>) = 0 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5845] <... clone resumed>, child_tidptr=0x55557f708650) = 5958 [pid 5842] rmdir("./19" [pid 5956] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5842] <... rmdir resumed>) = 0 [pid 5957] <... memfd_create resumed>) = 3 [pid 5842] mkdir("./20", 0777 [pid 5957] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 [pid 5842] <... mkdir resumed>) = 0 [pid 5842] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5958] set_robust_list(0x55557f708660, 24 [pid 5842] <... openat resumed>) = 3 [pid 5958] <... set_robust_list resumed>) = 0 [pid 5846] <... clone resumed>, child_tidptr=0x55557f708650) = 5959 [pid 5842] ioctl(3, LOOP_CLR_FD) = 0 [pid 5958] chdir("./20") = 0 [pid 5842] close(3 [pid 5958] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 5959 attached ) = 0 [pid 5959] set_robust_list(0x55557f708660, 24) = 0 [pid 5959] chdir("./22") = 0 [pid 5959] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5958] setpgid(0, 0 [pid 5959] <... prctl resumed>) = 0 [pid 5958] <... setpgid resumed>) = 0 [pid 5959] setpgid(0, 0 [pid 5958] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5959] <... setpgid resumed>) = 0 [pid 5959] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5958] <... openat resumed>) = 3 [pid 5959] <... openat resumed>) = 3 [pid 5958] write(3, "1000", 4 [pid 5959] write(3, "1000", 4 [pid 5958] <... write resumed>) = 4 [pid 5959] <... write resumed>) = 4 [pid 5958] close(3 [pid 5959] close(3) = 0 [pid 5959] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 5958] <... close resumed>) = 0 [pid 5959] write(1, "executing program\n", 18 [pid 5958] symlink("/dev/binderfs", "./binderfs" [pid 5959] <... write resumed>) = 18 [pid 5959] memfd_create("syzkaller", 0 [pid 5958] <... symlink resumed>) = 0 [pid 5959] <... memfd_create resumed>) = 3 [pid 5958] write(1, "executing program\n", 18 [pid 5956] <... write resumed>) = 2097152 [pid 5842] <... close resumed>) = 0 [pid 5959] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0executing program ) = 0x7f8e0a400000 [pid 5958] <... write resumed>) = 18 [pid 5956] munmap(0x7f8e0a400000, 138412032 [pid 5958] memfd_create("syzkaller", 0 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557f708650) = 5960 ./strace-static-x86_64: Process 5960 attached [pid 5958] <... memfd_create resumed>) = 3 [pid 5957] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5956] <... munmap resumed>) = 0 [pid 5958] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 [pid 5956] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5960] set_robust_list(0x55557f708660, 24 [pid 5956] <... openat resumed>) = 4 [pid 5956] ioctl(4, LOOP_SET_FD, 3 [pid 5960] <... set_robust_list resumed>) = 0 [pid 5960] chdir("./20") = 0 [pid 5960] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5960] setpgid(0, 0) = 0 [pid 5960] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5960] write(3, "1000", 4) = 4 [pid 5960] close(3) = 0 [pid 5960] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5960] write(1, "executing program\n", 18executing program ) = 18 [pid 5959] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5956] <... ioctl resumed>) = 0 [pid 5960] memfd_create("syzkaller", 0) = 3 [pid 5956] close(3 [pid 5960] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5956] <... close resumed>) = 0 [pid 5960] <... mmap resumed>) = 0x7f8e0a400000 [pid 5956] close(4 [pid 5958] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5956] <... close resumed>) = 0 [pid 5956] mkdir("./bus", 0777 [pid 5957] <... write resumed>) = 2097152 [pid 5956] <... mkdir resumed>) = 0 [pid 5957] munmap(0x7f8e0a400000, 138412032 [ 114.543170][ T5956] loop2: detected capacity change from 0 to 4096 [pid 5956] mount("/dev/loop2", "./bus", "ntfs3", 0, "" [pid 5957] <... munmap resumed>) = 0 [pid 5957] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5957] ioctl(4, LOOP_SET_FD, 3 [pid 5960] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5959] <... write resumed>) = 2097152 [pid 5957] <... ioctl resumed>) = 0 [pid 5959] munmap(0x7f8e0a400000, 138412032 [pid 5956] <... mount resumed>) = 0 [pid 5956] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5956] chdir("./bus") = 0 [pid 5956] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5957] close(3 [pid 5956] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5957] <... close resumed>) = 0 [pid 5956] sched_setaffinity(0, 0, NULL [pid 5957] close(4 [pid 5959] <... munmap resumed>) = 0 [pid 5957] <... close resumed>) = 0 [pid 5956] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5959] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5957] mkdir("./bus", 0777 [pid 5956] sched_setscheduler(0, SCHED_RR, NULL [pid 5959] <... openat resumed>) = 4 [pid 5958] <... write resumed>) = 2097152 [pid 5957] <... mkdir resumed>) = 0 [pid 5956] <... sched_setscheduler resumed>) = -1 EINVAL (Invalid argument) [pid 5957] mount("/dev/loop1", "./bus", "ntfs3", 0, "" [pid 5956] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 5958] munmap(0x7f8e0a400000, 138412032 [pid 5956] read(4, [ 114.629998][ T5957] loop1: detected capacity change from 0 to 4096 [pid 5959] ioctl(4, LOOP_SET_FD, 3 [pid 5960] <... write resumed>) = 2097152 [pid 5959] <... ioctl resumed>) = 0 [pid 5958] <... munmap resumed>) = 0 [pid 5959] close(3 [pid 5958] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5959] <... close resumed>) = 0 [pid 5960] munmap(0x7f8e0a400000, 138412032 [pid 5959] close(4 [pid 5958] <... openat resumed>) = 4 [pid 5960] <... munmap resumed>) = 0 [pid 5959] <... close resumed>) = 0 [pid 5958] ioctl(4, LOOP_SET_FD, 3 [pid 5960] openat(AT_FDCWD, "/dev/loop0", O_RDWR [ 114.685896][ T5959] loop4: detected capacity change from 0 to 4096 [pid 5959] mkdir("./bus", 0777 [pid 5960] <... openat resumed>) = 4 [pid 5959] <... mkdir resumed>) = 0 [pid 5960] ioctl(4, LOOP_SET_FD, 3 [pid 5959] mount("/dev/loop4", "./bus", "ntfs3", 0, "" [pid 5960] <... ioctl resumed>) = 0 [pid 5958] <... ioctl resumed>) = 0 [pid 5960] close(3 [pid 5958] close(3 [pid 5960] <... close resumed>) = 0 [pid 5958] <... close resumed>) = 0 [pid 5960] close(4 [pid 5958] close(4) = 0 [pid 5960] <... close resumed>) = 0 [pid 5958] mkdir("./bus", 0777 [pid 5960] mkdir("./bus", 0777) = 0 [pid 5958] <... mkdir resumed>) = 0 [pid 5960] mount("/dev/loop0", "./bus", "ntfs3", 0, "" [pid 5958] mount("/dev/loop3", "./bus", "ntfs3", 0, "" [pid 5957] <... mount resumed>) = 0 [ 114.727946][ T5958] loop3: detected capacity change from 0 to 4096 [ 114.737709][ T5960] loop0: detected capacity change from 0 to 4096 [pid 5957] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5957] chdir("./bus") = 0 [pid 5957] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5957] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5957] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5957] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 5957] read(4, [pid 5959] <... mount resumed>) = 0 [pid 5959] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5958] <... mount resumed>) = 0 [pid 5959] <... openat resumed>) = 3 [pid 5960] <... mount resumed>) = 0 [pid 5959] chdir("./bus" [pid 5958] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5960] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5959] <... chdir resumed>) = 0 [pid 5958] <... openat resumed>) = 3 [pid 5960] <... openat resumed>) = 3 [pid 5959] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5958] chdir("./bus" [pid 5960] chdir("./bus" [pid 5958] <... chdir resumed>) = 0 [pid 5960] <... chdir resumed>) = 0 [pid 5959] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5958] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5960] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5958] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5960] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5960] sched_setscheduler(0, SCHED_RR, NULL [pid 5959] sched_setaffinity(0, 0, NULL [pid 5958] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5958] sched_setscheduler(0, SCHED_RR, NULL [pid 5959] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5959] sched_setscheduler(0, SCHED_RR, NULL [pid 5958] <... sched_setscheduler resumed>) = -1 EINVAL (Invalid argument) [pid 5959] <... sched_setscheduler resumed>) = -1 EINVAL (Invalid argument) [pid 5958] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5960] <... sched_setscheduler resumed>) = -1 EINVAL (Invalid argument) [pid 5960] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5959] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5958] <... openat resumed>) = 4 [pid 5960] <... openat resumed>) = 4 [pid 5958] read(4, [pid 5959] <... openat resumed>) = 4 [pid 5960] read(4, [pid 5959] read(4, [pid 5956] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5956] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5956] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 5956] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 5956] exit_group(0) = ? [pid 5956] +++ exited with 0 +++ [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5956, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=12 /* 0.12 s */} --- [pid 5844] umount2("./22", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] openat(AT_FDCWD, "./22", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5844] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5844] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5844] umount2("./22/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] newfstatat(AT_FDCWD, "./22/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] unlink("./22/binderfs") = 0 [pid 5844] umount2("./22/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 5844] umount2("./22/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] newfstatat(AT_FDCWD, "./22/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] umount2("./22/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] openat(AT_FDCWD, "./22/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5844] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5844] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5844] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5844] close(4) = 0 [pid 5844] rmdir("./22/bus") = 0 [pid 5844] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5844] close(3) = 0 [pid 5844] rmdir("./22") = 0 [pid 5844] mkdir("./23", 0777) = 0 [pid 5844] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5844] ioctl(3, LOOP_CLR_FD) = 0 [pid 5844] close(3) = 0 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5961 attached [pid 5960] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5961] set_robust_list(0x55557f708660, 24 [pid 5844] <... clone resumed>, child_tidptr=0x55557f708650) = 5961 [pid 5961] <... set_robust_list resumed>) = 0 [pid 5961] chdir("./23") = 0 [pid 5961] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5961] setpgid(0, 0) = 0 [pid 5961] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5961] write(3, "1000", 4) = 4 [pid 5961] close(3) = 0 [pid 5961] symlink("/dev/binderfs", "./binderfs" [pid 5960] sched_setaffinity(0, 0, NULL [pid 5961] <... symlink resumed>) = 0 [pid 5961] write(1, "executing program\n", 18 [pid 5960] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) executing program [pid 5961] <... write resumed>) = 18 [pid 5960] rename(NULL, NULL [pid 5961] memfd_create("syzkaller", 0 [pid 5960] <... rename resumed>) = -1 EFAULT (Bad address) [pid 5960] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 5960] exit_group(0) = ? [pid 5961] <... memfd_create resumed>) = 3 [pid 5961] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 [pid 5960] +++ exited with 0 +++ [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5960, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 5842] umount2("./20", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] openat(AT_FDCWD, "./20", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5842] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5842] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5842] umount2("./20/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./20/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] unlink("./20/binderfs") = 0 [pid 5842] umount2("./20/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 5842] umount2("./20/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./20/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] umount2("./20/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] openat(AT_FDCWD, "./20/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5842] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5842] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5842] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5961] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5842] close(4) = 0 [pid 5842] rmdir("./20/bus") = 0 [pid 5842] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5842] close(3) = 0 [pid 5958] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5958] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5958] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 5958] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 5958] exit_group(0 [pid 5842] rmdir("./20" [pid 5959] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5958] <... exit_group resumed>) = ? [pid 5842] <... rmdir resumed>) = 0 [pid 5842] mkdir("./21", 0777) = 0 [pid 5959] sched_setaffinity(0, 0, NULL [pid 5958] +++ exited with 0 +++ [pid 5959] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5845] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5958, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=19 /* 0.19 s */} --- [pid 5959] rename(NULL, NULL [pid 5845] restart_syscall(<... resuming interrupted clone ...> [pid 5842] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5959] <... rename resumed>) = -1 EFAULT (Bad address) [pid 5959] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5842] ioctl(3, LOOP_CLR_FD [pid 5959] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5961] <... write resumed>) = 2097152 [pid 5959] exit_group(0 [pid 5842] <... ioctl resumed>) = 0 [pid 5961] munmap(0x7f8e0a400000, 138412032 [pid 5959] <... exit_group resumed>) = ? [pid 5842] close(3 [pid 5961] <... munmap resumed>) = 0 [pid 5959] +++ exited with 0 +++ [pid 5845] <... restart_syscall resumed>) = 0 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5959, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [pid 5961] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5845] umount2("./20", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5961] <... openat resumed>) = 4 [pid 5845] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5961] ioctl(4, LOOP_SET_FD, 3 [pid 5845] openat(AT_FDCWD, "./20", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5846] umount2("./22", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5846] openat(AT_FDCWD, "./22", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5845] <... openat resumed>) = 3 [pid 5846] newfstatat(3, "", [pid 5845] newfstatat(3, "", [pid 5961] <... ioctl resumed>) = 0 [pid 5842] <... close resumed>) = 0 [pid 5961] close(3 [pid 5846] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5845] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5961] <... close resumed>) = 0 [pid 5845] getdents64(3, [pid 5846] getdents64(3, ./strace-static-x86_64: Process 5962 attached 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5845] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5962] set_robust_list(0x55557f708660, 24 [pid 5961] close(4 [pid 5846] umount2("./22/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5845] umount2("./20/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] <... clone resumed>, child_tidptr=0x55557f708650) = 5962 [pid 5962] <... set_robust_list resumed>) = 0 [pid 5961] <... close resumed>) = 0 [pid 5846] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5845] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5961] mkdir("./bus", 0777 [pid 5846] newfstatat(AT_FDCWD, "./22/binderfs", [pid 5962] chdir("./21" [pid 5846] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5962] <... chdir resumed>) = 0 [pid 5961] <... mkdir resumed>) = 0 [pid 5846] unlink("./22/binderfs" [pid 5845] newfstatat(AT_FDCWD, "./20/binderfs", [pid 5962] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5961] mount("/dev/loop2", "./bus", "ntfs3", 0, "" [pid 5846] <... unlink resumed>) = 0 [pid 5962] <... prctl resumed>) = 0 [pid 5845] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5846] umount2("./22/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5962] setpgid(0, 0 [pid 5845] unlink("./20/binderfs" [pid 5962] <... setpgid resumed>) = 0 [pid 5845] <... unlink resumed>) = 0 [pid 5962] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5962] write(3, "1000", 4 [pid 5845] umount2("./20/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5962] <... write resumed>) = 4 [pid 5962] close(3) = 0 [pid 5962] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 5962] write(1, "executing program\n", 18) = 18 [pid 5846] <... umount2 resumed>) = 0 [pid 5846] umount2("./22/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5846] newfstatat(AT_FDCWD, "./22/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5846] umount2("./22/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5845] <... umount2 resumed>) = 0 [pid 5846] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5846] openat(AT_FDCWD, "./22/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5846] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5962] memfd_create("syzkaller", 0 [pid 5845] umount2("./20/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5846] getdents64(4, [pid 5845] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5962] <... memfd_create resumed>) = 3 [pid 5846] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5962] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5846] getdents64(4, [pid 5845] newfstatat(AT_FDCWD, "./20/bus", [pid 5962] <... mmap resumed>) = 0x7f8e0a400000 [pid 5845] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5846] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5845] umount2("./20/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5845] openat(AT_FDCWD, "./20/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5845] newfstatat(4, "", [pid 5846] close(4 [pid 5845] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5845] getdents64(4, [pid 5846] <... close resumed>) = 0 [pid 5845] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5846] rmdir("./22/bus" [pid 5845] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5845] close(4) = 0 [pid 5845] rmdir("./20/bus" [pid 5846] <... rmdir resumed>) = 0 [pid 5845] <... rmdir resumed>) = 0 [ 115.477318][ T5961] loop2: detected capacity change from 0 to 4096 [pid 5846] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5845] getdents64(3, [pid 5846] close(3 [pid 5845] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5845] close(3 [pid 5846] <... close resumed>) = 0 [pid 5845] <... close resumed>) = 0 [pid 5846] rmdir("./22" [pid 5845] rmdir("./20") = 0 [pid 5846] <... rmdir resumed>) = 0 [pid 5845] mkdir("./21", 0777 [pid 5846] mkdir("./23", 0777 [pid 5845] <... mkdir resumed>) = 0 [pid 5846] <... mkdir resumed>) = 0 [pid 5845] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5845] ioctl(3, LOOP_CLR_FD) = 0 [pid 5845] close(3 [pid 5846] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5846] ioctl(3, LOOP_CLR_FD) = 0 [pid 5846] close(3 [pid 5961] <... mount resumed>) = 0 [pid 5961] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5961] chdir("./bus") = 0 [pid 5961] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5961] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5961] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5961] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 5961] read(4, [pid 5962] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5845] <... close resumed>) = 0 [pid 5845] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5963 attached [pid 5963] set_robust_list(0x55557f708660, 24 [pid 5846] <... close resumed>) = 0 [pid 5845] <... clone resumed>, child_tidptr=0x55557f708650) = 5963 [pid 5963] <... set_robust_list resumed>) = 0 [pid 5963] chdir("./21" [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5963] <... chdir resumed>) = 0 [pid 5963] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5963] setpgid(0, 0) = 0 ./strace-static-x86_64: Process 5964 attached [pid 5963] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5964] set_robust_list(0x55557f708660, 24 [pid 5963] <... openat resumed>) = 3 [pid 5846] <... clone resumed>, child_tidptr=0x55557f708650) = 5964 [pid 5964] <... set_robust_list resumed>) = 0 [pid 5963] write(3, "1000", 4 [pid 5964] chdir("./23" [pid 5963] <... write resumed>) = 4 [pid 5964] <... chdir resumed>) = 0 [pid 5963] close(3 [pid 5964] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5963] <... close resumed>) = 0 [pid 5964] <... prctl resumed>) = 0 [pid 5963] symlink("/dev/binderfs", "./binderfs" [pid 5964] setpgid(0, 0 [pid 5963] <... symlink resumed>) = 0 [pid 5964] <... setpgid resumed>) = 0 [pid 5963] write(1, "executing program\n", 18executing program ) = 18 [pid 5964] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5964] write(3, "1000", 4 [pid 5963] memfd_create("syzkaller", 0 [pid 5964] <... write resumed>) = 4 [pid 5964] close(3 [pid 5963] <... memfd_create resumed>) = 3 [pid 5964] <... close resumed>) = 0 [pid 5964] symlink("/dev/binderfs", "./binderfs" [pid 5963] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5964] <... symlink resumed>) = 0 executing program [pid 5964] write(1, "executing program\n", 18 [pid 5963] <... mmap resumed>) = 0x7f8e0a400000 [pid 5962] <... write resumed>) = 2097152 [pid 5962] munmap(0x7f8e0a400000, 138412032 [pid 5964] <... write resumed>) = 18 [pid 5964] memfd_create("syzkaller", 0) = 3 [pid 5962] <... munmap resumed>) = 0 [pid 5964] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 [pid 5962] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5962] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5957] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5963] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5962] close(3) = 0 [pid 5962] close(4) = 0 [pid 5957] sched_setaffinity(0, 0, NULL [pid 5962] mkdir("./bus", 0777 [pid 5957] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5962] <... mkdir resumed>) = 0 [pid 5957] rename(NULL, NULL [pid 5962] mount("/dev/loop0", "./bus", "ntfs3", 0, "" [pid 5957] <... rename resumed>) = -1 EFAULT (Bad address) [pid 5957] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 5957] exit_group(0) = ? [pid 5957] +++ exited with 0 +++ [pid 5843] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5957, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [ 115.747625][ T5962] loop0: detected capacity change from 0 to 4096 [pid 5843] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5843] umount2("./20", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5843] openat(AT_FDCWD, "./20", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5843] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5843] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5843] umount2("./20/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5843] newfstatat(AT_FDCWD, "./20/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] unlink("./20/binderfs") = 0 [pid 5843] umount2("./20/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5963] <... write resumed>) = 2097152 [pid 5963] munmap(0x7f8e0a400000, 138412032 [pid 5962] <... mount resumed>) = 0 [pid 5843] <... umount2 resumed>) = 0 [pid 5964] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5843] umount2("./20/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5843] newfstatat(AT_FDCWD, "./20/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] umount2("./20/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5963] <... munmap resumed>) = 0 [pid 5962] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5961] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5843] openat(AT_FDCWD, "./20/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5963] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5962] <... openat resumed>) = 3 [pid 5961] sched_setaffinity(0, 0, NULL [pid 5843] <... openat resumed>) = 4 [pid 5963] <... openat resumed>) = 4 [pid 5962] chdir("./bus" [pid 5961] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5843] newfstatat(4, "", [pid 5963] ioctl(4, LOOP_SET_FD, 3 [pid 5962] <... chdir resumed>) = 0 [pid 5961] rename(NULL, NULL [pid 5843] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5843] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5843] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5843] close(4) = 0 [pid 5843] rmdir("./20/bus") = 0 [pid 5843] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5843] close(3) = 0 [pid 5843] rmdir("./20") = 0 [pid 5962] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5961] <... rename resumed>) = -1 EFAULT (Bad address) [pid 5962] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5962] sched_setaffinity(0, 0, NULL [pid 5843] mkdir("./21", 0777 [pid 5962] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5962] sched_setscheduler(0, SCHED_RR, NULL [pid 5961] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5962] <... sched_setscheduler resumed>) = -1 EINVAL (Invalid argument) [pid 5962] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5843] <... mkdir resumed>) = 0 [pid 5961] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5962] <... openat resumed>) = 4 [pid 5962] read(4, [pid 5964] <... write resumed>) = 2097152 [pid 5961] exit_group(0) = ? [pid 5961] +++ exited with 0 +++ [pid 5843] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5843] ioctl(3, LOOP_CLR_FD [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5961, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 5843] <... ioctl resumed>) = 0 [pid 5844] restart_syscall(<... resuming interrupted clone ...> [pid 5843] close(3 [pid 5964] munmap(0x7f8e0a400000, 138412032 [pid 5844] <... restart_syscall resumed>) = 0 [pid 5844] umount2("./23", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] openat(AT_FDCWD, "./23", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5844] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5844] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5844] umount2("./23/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] newfstatat(AT_FDCWD, "./23/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] unlink("./23/binderfs") = 0 [pid 5844] umount2("./23/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 5964] <... munmap resumed>) = 0 [pid 5963] <... ioctl resumed>) = 0 [pid 5844] umount2("./23/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5843] <... close resumed>) = 0 [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 115.875959][ T5963] loop3: detected capacity change from 0 to 4096 [pid 5844] newfstatat(AT_FDCWD, "./23/bus", [pid 5964] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5963] close(3 [pid 5844] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5963] <... close resumed>) = 0 [pid 5844] umount2("./23/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5964] <... openat resumed>) = 4 [pid 5963] close(4 [pid 5964] ioctl(4, LOOP_SET_FD, 3 [pid 5963] <... close resumed>) = 0 [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5844] openat(AT_FDCWD, "./23/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5844] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5844] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5964] <... ioctl resumed>) = 0 [pid 5963] mkdir("./bus", 0777 [pid 5844] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5843] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5963] <... mkdir resumed>) = 0 [pid 5844] close(4) = 0 [pid 5843] <... clone resumed>, child_tidptr=0x55557f708650) = 5965 ./strace-static-x86_64: Process 5965 attached [pid 5844] rmdir("./23/bus") = 0 [pid 5965] set_robust_list(0x55557f708660, 24) = 0 [pid 5844] getdents64(3, [pid 5965] chdir("./21" [pid 5844] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5844] close(3) = 0 [pid 5965] <... chdir resumed>) = 0 [pid 5965] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5844] rmdir("./23" [pid 5965] <... prctl resumed>) = 0 [pid 5844] <... rmdir resumed>) = 0 [pid 5965] setpgid(0, 0) = 0 [pid 5965] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5844] mkdir("./24", 0777 [pid 5963] mount("/dev/loop3", "./bus", "ntfs3", 0, "" [pid 5965] <... openat resumed>) = 3 [pid 5844] <... mkdir resumed>) = 0 [pid 5965] write(3, "1000", 4) = 4 [pid 5844] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5965] close(3 [pid 5844] <... openat resumed>) = 3 [pid 5965] <... close resumed>) = 0 [pid 5844] ioctl(3, LOOP_CLR_FD) = 0 [pid 5965] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5964] close(3 [pid 5844] close(3 [pid 5964] <... close resumed>) = 0 [pid 5965] write(1, "executing program\n", 18 [pid 5964] close(4executing program ) = 0 [pid 5965] <... write resumed>) = 18 [pid 5964] mkdir("./bus", 0777 [pid 5965] memfd_create("syzkaller", 0 [pid 5964] <... mkdir resumed>) = 0 [pid 5965] <... memfd_create resumed>) = 3 [ 115.938161][ T5964] loop4: detected capacity change from 0 to 4096 [pid 5964] mount("/dev/loop4", "./bus", "ntfs3", 0, "" [pid 5965] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 [pid 5844] <... close resumed>) = 0 [pid 5963] <... mount resumed>) = 0 [pid 5963] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5963] chdir("./bus") = 0 [pid 5963] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5966 attached [pid 5963] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5962] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5963] sched_setaffinity(0, 0, NULL [pid 5966] set_robust_list(0x55557f708660, 24 [pid 5963] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5966] <... set_robust_list resumed>) = 0 [pid 5963] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5844] <... clone resumed>, child_tidptr=0x55557f708650) = 5966 [pid 5966] chdir("./24") = 0 [pid 5964] <... mount resumed>) = 0 [pid 5963] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5962] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5966] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5964] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5963] <... openat resumed>) = 4 [pid 5962] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 5966] <... prctl resumed>) = 0 [pid 5962] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5966] setpgid(0, 0 [pid 5964] <... openat resumed>) = 3 [pid 5963] read(4, [pid 5962] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5966] <... setpgid resumed>) = 0 [pid 5966] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5964] chdir("./bus" [pid 5962] exit_group(0 [pid 5966] <... openat resumed>) = 3 [pid 5962] <... exit_group resumed>) = ? [pid 5964] <... chdir resumed>) = 0 [pid 5964] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5962] +++ exited with 0 +++ [pid 5966] write(3, "1000", 4 [pid 5964] sched_setaffinity(0, 0, NULL [pid 5966] <... write resumed>) = 4 [pid 5964] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5962, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 5966] close(3 [pid 5964] sched_setscheduler(0, SCHED_RR, NULL [pid 5842] restart_syscall(<... resuming interrupted clone ...> [pid 5966] <... close resumed>) = 0 [pid 5966] symlink("/dev/binderfs", "./binderfs" [pid 5964] <... sched_setscheduler resumed>) = -1 EINVAL (Invalid argument) [pid 5842] <... restart_syscall resumed>) = 0 [pid 5964] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 5842] umount2("./21", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5964] read(4, [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5966] <... symlink resumed>) = 0 executing program [pid 5965] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5966] write(1, "executing program\n", 18 [pid 5842] openat(AT_FDCWD, "./21", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5966] <... write resumed>) = 18 [pid 5966] memfd_create("syzkaller", 0 [pid 5842] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5966] <... memfd_create resumed>) = 3 [pid 5842] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5842] umount2("./21/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5966] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5966] <... mmap resumed>) = 0x7f8e0a400000 [pid 5842] newfstatat(AT_FDCWD, "./21/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] unlink("./21/binderfs") = 0 [pid 5842] umount2("./21/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 5965] <... write resumed>) = 2097152 [pid 5842] umount2("./21/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5965] munmap(0x7f8e0a400000, 138412032 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5965] <... munmap resumed>) = 0 [pid 5842] newfstatat(AT_FDCWD, "./21/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] umount2("./21/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] openat(AT_FDCWD, "./21/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5842] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5842] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5842] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5842] close(4) = 0 [pid 5842] rmdir("./21/bus") = 0 [pid 5842] getdents64(3, [pid 5965] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5842] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5842] close(3 [pid 5965] <... openat resumed>) = 4 [pid 5842] <... close resumed>) = 0 [pid 5965] ioctl(4, LOOP_SET_FD, 3 [pid 5842] rmdir("./21" [pid 5965] <... ioctl resumed>) = 0 [pid 5842] <... rmdir resumed>) = 0 [pid 5966] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5842] mkdir("./22", 0777) = 0 [pid 5842] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5842] ioctl(3, LOOP_CLR_FD) = 0 [pid 5842] close(3 [pid 5965] close(3) = 0 [pid 5965] close(4) = 0 [pid 5966] <... write resumed>) = 2097152 [ 116.177300][ T5965] loop1: detected capacity change from 0 to 4096 [pid 5965] mkdir("./bus", 0777) = 0 [pid 5965] mount("/dev/loop1", "./bus", "ntfs3", 0, "" [pid 5842] <... close resumed>) = 0 [pid 5966] munmap(0x7f8e0a400000, 138412032 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5967 attached [pid 5966] <... munmap resumed>) = 0 [pid 5967] set_robust_list(0x55557f708660, 24) = 0 [pid 5966] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5967] chdir("./22" [pid 5842] <... clone resumed>, child_tidptr=0x55557f708650) = 5967 [pid 5966] <... openat resumed>) = 4 [pid 5967] <... chdir resumed>) = 0 [pid 5967] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5966] ioctl(4, LOOP_SET_FD, 3 [pid 5967] <... prctl resumed>) = 0 [pid 5967] setpgid(0, 0) = 0 [pid 5967] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5967] write(3, "1000", 4) = 4 [pid 5963] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5967] close(3 [pid 5966] <... ioctl resumed>) = 0 [pid 5963] sched_setaffinity(0, 0, NULL [pid 5966] close(3 [pid 5963] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5967] <... close resumed>) = 0 [pid 5966] <... close resumed>) = 0 [pid 5963] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 5967] symlink("/dev/binderfs", "./binderfs" [pid 5963] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5966] close(4 [pid 5963] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5966] <... close resumed>) = 0 [pid 5963] exit_group(0) = ? [pid 5967] <... symlink resumed>) = 0 [pid 5963] +++ exited with 0 +++ [pid 5966] mkdir("./bus", 0777 [pid 5845] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5963, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 5966] <... mkdir resumed>) = 0 [pid 5845] restart_syscall(<... resuming interrupted clone ...> [pid 5966] mount("/dev/loop2", "./bus", "ntfs3", 0, "" [pid 5845] <... restart_syscall resumed>) = 0 [pid 5845] umount2("./21", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5967] write(1, "executing program\n", 18 [pid 5845] openat(AT_FDCWD, "./21", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYexecuting program [pid 5967] <... write resumed>) = 18 [pid 5845] <... openat resumed>) = 3 [pid 5967] memfd_create("syzkaller", 0 [pid 5845] newfstatat(3, "", [pid 5965] <... mount resumed>) = 0 [pid 5845] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5845] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [ 116.286131][ T5966] loop2: detected capacity change from 0 to 4096 [pid 5965] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5845] umount2("./21/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5965] <... openat resumed>) = 3 [pid 5845] newfstatat(AT_FDCWD, "./21/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5965] chdir("./bus" [pid 5967] <... memfd_create resumed>) = 3 [pid 5845] unlink("./21/binderfs" [pid 5967] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5965] <... chdir resumed>) = 0 [pid 5967] <... mmap resumed>) = 0x7f8e0a400000 [pid 5965] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5845] <... unlink resumed>) = 0 [pid 5965] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5965] sched_setaffinity(0, 0, NULL [pid 5845] umount2("./21/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5965] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5965] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5965] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 5965] read(4, [pid 5845] <... umount2 resumed>) = 0 [pid 5845] umount2("./21/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5845] newfstatat(AT_FDCWD, "./21/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5845] umount2("./21/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5845] openat(AT_FDCWD, "./21/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5845] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5845] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5845] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5845] close(4) = 0 [pid 5845] rmdir("./21/bus" [pid 5966] <... mount resumed>) = 0 [pid 5845] <... rmdir resumed>) = 0 [pid 5845] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5845] close(3 [pid 5966] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5845] <... close resumed>) = 0 [pid 5966] <... openat resumed>) = 3 [pid 5845] rmdir("./21") = 0 [pid 5845] mkdir("./22", 0777) = 0 [pid 5845] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5966] chdir("./bus" [pid 5845] <... openat resumed>) = 3 [pid 5966] <... chdir resumed>) = 0 [pid 5845] ioctl(3, LOOP_CLR_FD [pid 5966] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5845] <... ioctl resumed>) = 0 [pid 5966] sched_setaffinity(0, 0, NULL [pid 5845] close(3 [pid 5966] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5967] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5966] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5966] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 5966] read(4, [pid 5845] <... close resumed>) = 0 [pid 5845] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5968 attached [pid 5968] set_robust_list(0x55557f708660, 24) = 0 [pid 5968] chdir("./22") = 0 [pid 5845] <... clone resumed>, child_tidptr=0x55557f708650) = 5968 [pid 5968] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5968] setpgid(0, 0) = 0 [pid 5968] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5968] write(3, "1000", 4) = 4 [pid 5968] close(3) = 0 [pid 5968] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5968] write(1, "executing program\n", 18) = 18 [pid 5968] memfd_create("syzkaller", 0 [pid 5967] <... write resumed>) = 2097152 [pid 5968] <... memfd_create resumed>) = 3 [pid 5968] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 [pid 5967] munmap(0x7f8e0a400000, 138412032) = 0 [pid 5967] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5967] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5967] close(3) = 0 [pid 5967] close(4) = 0 [pid 5967] mkdir("./bus", 0777 [pid 5968] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5967] <... mkdir resumed>) = 0 [ 116.556907][ T5967] loop0: detected capacity change from 0 to 4096 [pid 5967] mount("/dev/loop0", "./bus", "ntfs3", 0, "" [pid 5968] <... write resumed>) = 2097152 [pid 5968] munmap(0x7f8e0a400000, 138412032) = 0 [pid 5968] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 5968] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5967] <... mount resumed>) = 0 [pid 5967] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5967] chdir("./bus") = 0 [pid 5967] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5968] close(3 [pid 5967] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5967] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5967] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 5967] read(4, [pid 5968] <... close resumed>) = 0 [pid 5968] close(4) = 0 [ 116.716526][ T5968] loop3: detected capacity change from 0 to 4096 [pid 5968] mkdir("./bus", 0777) = 0 [pid 5968] mount("/dev/loop3", "./bus", "ntfs3", 0, "" [pid 5966] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5966] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5966] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 5966] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 5966] exit_group(0) = ? [pid 5966] +++ exited with 0 +++ [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5966, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=13 /* 0.13 s */} --- [pid 5844] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5844] umount2("./24", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] openat(AT_FDCWD, "./24", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5844] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5844] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5844] umount2("./24/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] newfstatat(AT_FDCWD, "./24/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] unlink("./24/binderfs") = 0 [pid 5844] umount2("./24/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 5844] umount2("./24/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] newfstatat(AT_FDCWD, "./24/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] umount2("./24/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] openat(AT_FDCWD, "./24/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5844] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5844] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5844] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5844] close(4) = 0 [pid 5844] rmdir("./24/bus") = 0 [pid 5844] getdents64(3, [pid 5964] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5844] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5964] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5964] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 5964] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 5964] exit_group(0) = ? [pid 5844] close(3) = 0 [pid 5844] rmdir("./24") = 0 [pid 5844] mkdir("./25", 0777) = 0 [pid 5964] +++ exited with 0 +++ [pid 5844] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5968] <... mount resumed>) = 0 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5964, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 5846] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5846] umount2("./23", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5846] openat(AT_FDCWD, "./23", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5846] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5846] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5846] umount2("./23/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5846] newfstatat(AT_FDCWD, "./23/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5846] unlink("./23/binderfs") = 0 [pid 5968] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5968] chdir("./bus" [pid 5844] <... openat resumed>) = 3 [pid 5844] ioctl(3, LOOP_CLR_FD [pid 5846] umount2("./23/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5968] <... chdir resumed>) = 0 [pid 5844] <... ioctl resumed>) = 0 [pid 5844] close(3 [pid 5968] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5846] <... umount2 resumed>) = 0 [pid 5968] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5968] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5968] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 5846] umount2("./23/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5846] newfstatat(AT_FDCWD, "./23/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5968] read(4, [pid 5846] umount2("./23/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5846] openat(AT_FDCWD, "./23/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5846] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5846] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5846] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5846] close(4) = 0 [pid 5846] rmdir("./23/bus") = 0 [pid 5846] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5846] close(3) = 0 [pid 5846] rmdir("./23") = 0 [pid 5846] mkdir("./24", 0777) = 0 [pid 5846] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5846] ioctl(3, LOOP_CLR_FD) = 0 [pid 5846] close(3 [pid 5844] <... close resumed>) = 0 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5969 attached [pid 5969] set_robust_list(0x55557f708660, 24 [pid 5844] <... clone resumed>, child_tidptr=0x55557f708650) = 5969 [pid 5969] <... set_robust_list resumed>) = 0 [pid 5969] chdir("./25") = 0 [pid 5969] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5846] <... close resumed>) = 0 [pid 5969] <... prctl resumed>) = 0 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5969] setpgid(0, 0) = 0 [pid 5969] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 5970 attached ) = 3 [pid 5970] set_robust_list(0x55557f708660, 24 [pid 5969] write(3, "1000", 4 [pid 5846] <... clone resumed>, child_tidptr=0x55557f708650) = 5970 [pid 5970] <... set_robust_list resumed>) = 0 [pid 5970] chdir("./24" [pid 5969] <... write resumed>) = 4 [pid 5969] close(3 [pid 5970] <... chdir resumed>) = 0 [pid 5969] <... close resumed>) = 0 [pid 5970] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5969] symlink("/dev/binderfs", "./binderfs" [pid 5970] <... prctl resumed>) = 0 [pid 5969] <... symlink resumed>) = 0 executing program [pid 5970] setpgid(0, 0 [pid 5969] write(1, "executing program\n", 18 [pid 5970] <... setpgid resumed>) = 0 [pid 5969] <... write resumed>) = 18 [pid 5970] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5969] memfd_create("syzkaller", 0 [pid 5967] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5970] <... openat resumed>) = 3 [pid 5969] <... memfd_create resumed>) = 3 [pid 5970] write(3, "1000", 4 [pid 5967] sched_setaffinity(0, 0, NULL [pid 5970] <... write resumed>) = 4 [pid 5967] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5970] close(3 [pid 5969] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5967] rename(NULL, NULL [pid 5969] <... mmap resumed>) = 0x7f8e0a400000 [pid 5967] <... rename resumed>) = -1 EFAULT (Bad address) [pid 5970] <... close resumed>) = 0 [pid 5967] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5970] symlink("/dev/binderfs", "./binderfs" [pid 5967] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5967] exit_group(0executing program [pid 5970] <... symlink resumed>) = 0 [pid 5967] <... exit_group resumed>) = ? [pid 5970] write(1, "executing program\n", 18) = 18 [pid 5970] memfd_create("syzkaller", 0) = 3 [pid 5970] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 [pid 5967] +++ exited with 0 +++ [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5967, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=22 /* 0.22 s */} --- [pid 5842] umount2("./22", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] openat(AT_FDCWD, "./22", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5842] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5842] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5842] umount2("./22/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./22/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] unlink("./22/binderfs") = 0 [pid 5842] umount2("./22/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 5842] umount2("./22/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./22/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] umount2("./22/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] openat(AT_FDCWD, "./22/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5970] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [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, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5842] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5842] close(4) = 0 [pid 5842] rmdir("./22/bus" [pid 5969] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5842] <... rmdir resumed>) = 0 [pid 5842] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5842] close(3) = 0 [pid 5842] rmdir("./22") = 0 [pid 5842] mkdir("./23", 0777) = 0 [pid 5842] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5842] ioctl(3, LOOP_CLR_FD) = 0 [pid 5842] close(3 [pid 5968] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5968] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5968] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 5968] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 5968] exit_group(0) = ? [pid 5968] +++ exited with 0 +++ [pid 5970] <... write resumed>) = 2097152 [pid 5969] <... write resumed>) = 2097152 [pid 5965] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5842] <... close resumed>) = 0 [pid 5965] sched_setaffinity(0, 0, NULL [pid 5845] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5968, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 5845] umount2("./22", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5845] openat(AT_FDCWD, "./22", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5845] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5845] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5965] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5845] umount2("./22/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5845] newfstatat(AT_FDCWD, "./22/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5845] unlink("./22/binderfs") = 0 [pid 5845] umount2("./22/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5970] munmap(0x7f8e0a400000, 138412032 [pid 5965] rename(NULL, NULL [pid 5845] <... umount2 resumed>) = 0 [pid 5965] <... rename resumed>) = -1 EFAULT (Bad address) [pid 5845] umount2("./22/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5845] newfstatat(AT_FDCWD, "./22/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5845] umount2("./22/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5845] openat(AT_FDCWD, "./22/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5845] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5845] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5845] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5845] close(4) = 0 [pid 5845] rmdir("./22/bus") = 0 [pid 5970] <... munmap resumed>) = 0 [pid 5969] munmap(0x7f8e0a400000, 138412032 [pid 5965] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 5845] getdents64(3, [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5845] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5845] close(3) = 0 [pid 5845] rmdir("./22"./strace-static-x86_64: Process 5971 attached [pid 5965] exit_group(0 [pid 5845] <... rmdir resumed>) = 0 [pid 5965] <... exit_group resumed>) = ? [pid 5842] <... clone resumed>, child_tidptr=0x55557f708650) = 5971 [pid 5971] set_robust_list(0x55557f708660, 24 [pid 5845] mkdir("./23", 0777 [pid 5971] <... set_robust_list resumed>) = 0 [pid 5845] <... mkdir resumed>) = 0 [pid 5971] chdir("./23") = 0 [pid 5971] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5971] setpgid(0, 0) = 0 [pid 5845] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5971] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5845] <... openat resumed>) = 3 [pid 5845] ioctl(3, LOOP_CLR_FD) = 0 [pid 5971] <... openat resumed>) = 3 [pid 5845] close(3 [pid 5971] write(3, "1000", 4) = 4 [pid 5970] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5965] +++ exited with 0 +++ [pid 5970] <... openat resumed>) = 4 [pid 5843] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5965, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 5970] ioctl(4, LOOP_SET_FD, 3 [pid 5971] close(3 [pid 5969] <... munmap resumed>) = 0 [pid 5971] <... close resumed>) = 0 [pid 5971] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 5971] write(1, "executing program\n", 18) = 18 [pid 5969] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 5971] memfd_create("syzkaller", 0 [pid 5969] ioctl(4, LOOP_SET_FD, 3 [pid 5843] umount2("./21", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5971] <... memfd_create resumed>) = 3 [pid 5971] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 [pid 5970] <... ioctl resumed>) = 0 [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5970] close(3 [pid 5843] openat(AT_FDCWD, "./21", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5970] <... close resumed>) = 0 [pid 5970] close(4 [pid 5843] <... openat resumed>) = 3 [pid 5845] <... close resumed>) = 0 [pid 5845] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5972 attached [pid 5970] <... close resumed>) = 0 [pid 5843] newfstatat(3, "", [pid 5970] mkdir("./bus", 0777 [pid 5843] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5845] <... clone resumed>, child_tidptr=0x55557f708650) = 5972 [pid 5970] <... mkdir resumed>) = 0 [pid 5843] getdents64(3, [pid 5972] set_robust_list(0x55557f708660, 24 [pid 5970] mount("/dev/loop4", "./bus", "ntfs3", 0, "" [pid 5843] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5972] <... set_robust_list resumed>) = 0 [pid 5972] chdir("./23") = 0 [pid 5972] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5972] setpgid(0, 0) = 0 [pid 5972] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5972] write(3, "1000", 4) = 4 [pid 5972] close(3) = 0 [pid 5972] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5843] umount2("./21/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5972] write(1, "executing program\n", 18executing program ) = 18 [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5972] memfd_create("syzkaller", 0 [pid 5843] newfstatat(AT_FDCWD, "./21/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] unlink("./21/binderfs") = 0 [pid 5843] umount2("./21/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5969] <... ioctl resumed>) = 0 [pid 5969] close(3) = 0 [pid 5969] close(4 [pid 5972] <... memfd_create resumed>) = 3 [pid 5969] <... close resumed>) = 0 [pid 5972] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5969] mkdir("./bus", 0777 [pid 5972] <... mmap resumed>) = 0x7f8e0a400000 [pid 5969] <... mkdir resumed>) = 0 [pid 5969] mount("/dev/loop2", "./bus", "ntfs3", 0, "" [pid 5843] <... umount2 resumed>) = 0 [pid 5843] umount2("./21/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5843] newfstatat(AT_FDCWD, "./21/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 117.299630][ T5970] loop4: detected capacity change from 0 to 4096 [ 117.333323][ T5969] loop2: detected capacity change from 0 to 4096 [pid 5843] umount2("./21/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5843] openat(AT_FDCWD, "./21/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5970] <... mount resumed>) = 0 [pid 5970] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5843] <... openat resumed>) = 4 [pid 5970] <... openat resumed>) = 3 [pid 5843] newfstatat(4, "", [pid 5970] chdir("./bus" [pid 5843] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5843] getdents64(4, [pid 5970] <... chdir resumed>) = 0 [pid 5970] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5843] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5843] getdents64(4, [pid 5970] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5843] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5843] close(4 [pid 5970] sched_setaffinity(0, 0, NULL [pid 5843] <... close resumed>) = 0 [pid 5970] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5843] rmdir("./21/bus" [pid 5970] sched_setscheduler(0, SCHED_RR, NULL [pid 5843] <... rmdir resumed>) = 0 [pid 5971] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5970] <... sched_setscheduler resumed>) = -1 EINVAL (Invalid argument) [pid 5843] getdents64(3, [pid 5970] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5843] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5970] <... openat resumed>) = 4 [pid 5843] close(3 [pid 5970] read(4, [pid 5843] <... close resumed>) = 0 [pid 5972] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5843] rmdir("./21") = 0 [pid 5843] mkdir("./22", 0777) = 0 [pid 5843] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5843] ioctl(3, LOOP_CLR_FD) = 0 [pid 5843] close(3 [pid 5971] <... write resumed>) = 2097152 [pid 5971] munmap(0x7f8e0a400000, 138412032 [pid 5969] <... mount resumed>) = 0 [pid 5969] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5969] chdir("./bus") = 0 [pid 5969] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5969] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5969] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5972] <... write resumed>) = 2097152 [pid 5969] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5971] <... munmap resumed>) = 0 [pid 5969] <... openat resumed>) = 4 [pid 5969] read(4, [pid 5971] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5971] ioctl(4, LOOP_SET_FD, 3 [pid 5972] munmap(0x7f8e0a400000, 138412032 [pid 5843] <... close resumed>) = 0 [pid 5843] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5973 attached [pid 5972] <... munmap resumed>) = 0 [pid 5973] set_robust_list(0x55557f708660, 24 [pid 5843] <... clone resumed>, child_tidptr=0x55557f708650) = 5973 [pid 5973] <... set_robust_list resumed>) = 0 [pid 5971] <... ioctl resumed>) = 0 [pid 5973] chdir("./22") = 0 [pid 5973] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5973] setpgid(0, 0) = 0 [pid 5973] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5971] close(3 [pid 5973] write(3, "1000", 4) = 4 [pid 5973] close(3) = 0 [pid 5971] <... close resumed>) = 0 [ 117.497546][ T5971] loop0: detected capacity change from 0 to 4096 [pid 5973] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5972] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5971] close(4 [pid 5972] <... openat resumed>) = 4 [pid 5971] <... close resumed>) = 0 [pid 5972] ioctl(4, LOOP_SET_FD, 3 [pid 5971] mkdir("./bus", 0777 [pid 5973] write(1, "executing program\n", 18 [pid 5971] <... mkdir resumed>) = 0 executing program [pid 5973] <... write resumed>) = 18 [pid 5973] memfd_create("syzkaller", 0 [pid 5971] mount("/dev/loop0", "./bus", "ntfs3", 0, "" [pid 5973] <... memfd_create resumed>) = 3 [pid 5973] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 [pid 5972] <... ioctl resumed>) = 0 [pid 5972] close(3) = 0 [pid 5972] close(4) = 0 [pid 5972] mkdir("./bus", 0777) = 0 [ 117.538979][ T5972] loop3: detected capacity change from 0 to 4096 [pid 5972] mount("/dev/loop3", "./bus", "ntfs3", 0, "" [pid 5973] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5972] <... mount resumed>) = 0 [pid 5972] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5972] chdir("./bus") = 0 [pid 5972] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5972] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5972] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5972] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5971] <... mount resumed>) = 0 [pid 5972] <... openat resumed>) = 4 [pid 5972] read(4, [pid 5971] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5971] chdir("./bus") = 0 [pid 5971] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5971] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5971] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5971] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 5971] read(4, [pid 5973] <... write resumed>) = 2097152 [pid 5973] munmap(0x7f8e0a400000, 138412032) = 0 [pid 5973] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5970] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5973] ioctl(4, LOOP_SET_FD, 3 [pid 5970] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5970] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 5970] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 5970] exit_group(0) = ? [pid 5973] <... ioctl resumed>) = 0 [pid 5973] close(3) = 0 [pid 5973] close(4) = 0 [pid 5973] mkdir("./bus", 0777 [pid 5970] +++ exited with 0 +++ [pid 5973] <... mkdir resumed>) = 0 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5970, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=19 /* 0.19 s */} --- [pid 5973] mount("/dev/loop1", "./bus", "ntfs3", 0, "" [pid 5846] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5846] umount2("./24", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5846] openat(AT_FDCWD, "./24", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5846] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5846] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5846] umount2("./24/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5846] newfstatat(AT_FDCWD, "./24/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5846] unlink("./24/binderfs") = 0 [ 117.747334][ T5973] loop1: detected capacity change from 0 to 4096 [pid 5846] umount2("./24/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 5846] umount2("./24/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5846] newfstatat(AT_FDCWD, "./24/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5846] umount2("./24/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5846] openat(AT_FDCWD, "./24/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5973] <... mount resumed>) = 0 [pid 5846] <... openat resumed>) = 4 [pid 5846] newfstatat(4, "", [pid 5973] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5846] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5973] <... openat resumed>) = 3 [pid 5846] getdents64(4, [pid 5973] chdir("./bus" [pid 5846] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5846] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5846] close(4 [pid 5973] <... chdir resumed>) = 0 [pid 5846] <... close resumed>) = 0 [pid 5846] rmdir("./24/bus" [pid 5973] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5846] <... rmdir resumed>) = 0 [pid 5973] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5846] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5846] close(3) = 0 [pid 5846] rmdir("./24") = 0 [pid 5973] sched_setaffinity(0, 0, NULL [pid 5846] mkdir("./25", 0777 [pid 5973] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5973] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5973] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5846] <... mkdir resumed>) = 0 [pid 5973] <... openat resumed>) = 4 [pid 5973] read(4, [pid 5846] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5846] ioctl(3, LOOP_CLR_FD) = 0 [pid 5846] close(3 [pid 5972] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5971] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5972] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5972] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 5972] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 5972] exit_group(0) = ? [pid 5971] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5971] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 5971] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 5972] +++ exited with 0 +++ [pid 5971] exit_group(0) = ? [pid 5845] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5972, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5845] restart_syscall(<... resuming interrupted clone ...> [pid 5971] +++ exited with 0 +++ [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5971, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5845] <... restart_syscall resumed>) = 0 [pid 5845] umount2("./23", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5845] openat(AT_FDCWD, "./23", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5845] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5845] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5845] umount2("./23/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5845] newfstatat(AT_FDCWD, "./23/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5845] unlink("./23/binderfs") = 0 [pid 5845] umount2("./23/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] umount2("./23", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5969] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5846] <... close resumed>) = 0 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] openat(AT_FDCWD, "./23", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5969] sched_setaffinity(0, 0, NULL [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5845] <... umount2 resumed>) = 0 [pid 5842] <... openat resumed>) = 3 [pid 5842] newfstatat(3, "", [pid 5969] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5969] rename(NULL, NULL [pid 5842] getdents64(3, [pid 5969] <... rename resumed>) = -1 EFAULT (Bad address) [pid 5969] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5842] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5842] umount2("./23/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./23/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5969] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5842] unlink("./23/binderfs" [pid 5969] exit_group(0) = ? ./strace-static-x86_64: Process 5974 attached [pid 5969] +++ exited with 0 +++ [pid 5842] <... unlink resumed>) = 0 [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5969, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=17 /* 0.17 s */} --- [pid 5844] restart_syscall(<... resuming interrupted clone ...> [pid 5845] umount2("./23/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5974] set_robust_list(0x55557f708660, 24 [pid 5846] <... clone resumed>, child_tidptr=0x55557f708650) = 5974 [pid 5842] umount2("./23/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5974] <... set_robust_list resumed>) = 0 [pid 5845] newfstatat(AT_FDCWD, "./23/bus", [pid 5974] chdir("./25" [pid 5845] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5974] <... chdir resumed>) = 0 [pid 5845] umount2("./23/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5845] openat(AT_FDCWD, "./23/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5844] <... restart_syscall resumed>) = 0 [pid 5845] newfstatat(4, "", [pid 5974] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5845] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5842] <... umount2 resumed>) = 0 [pid 5974] <... prctl resumed>) = 0 [pid 5844] umount2("./25", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5974] setpgid(0, 0 [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] umount2("./23/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5974] <... setpgid resumed>) = 0 [pid 5844] openat(AT_FDCWD, "./25", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5844] <... openat resumed>) = 3 [pid 5974] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5844] newfstatat(3, "", [pid 5842] newfstatat(AT_FDCWD, "./23/bus", [pid 5844] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5974] <... openat resumed>) = 3 [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5974] write(3, "1000", 4 [pid 5842] umount2("./23/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5974] <... write resumed>) = 4 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5974] close(3 [pid 5842] openat(AT_FDCWD, "./23/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5974] <... close resumed>) = 0 [pid 5844] getdents64(3, [pid 5842] <... openat resumed>) = 4 [pid 5974] symlink("/dev/binderfs", "./binderfs" [pid 5844] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5842] newfstatat(4, "", [pid 5844] umount2("./25/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5845] getdents64(4, [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5974] <... symlink resumed>) = 0 [pid 5845] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5844] newfstatat(AT_FDCWD, "./25/binderfs", executing program [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5974] write(1, "executing program\n", 18 [pid 5845] getdents64(4, [pid 5844] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5974] <... write resumed>) = 18 [pid 5845] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5844] unlink("./25/binderfs" [pid 5842] getdents64(4, [pid 5845] close(4 [pid 5844] <... unlink resumed>) = 0 [pid 5845] <... close resumed>) = 0 [pid 5844] umount2("./25/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5845] rmdir("./23/bus") = 0 [pid 5842] getdents64(4, [pid 5974] memfd_create("syzkaller", 0 [pid 5845] getdents64(3, [pid 5844] <... umount2 resumed>) = 0 [pid 5842] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5974] <... memfd_create resumed>) = 3 [pid 5845] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5842] close(4 [pid 5974] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5845] close(3 [pid 5844] umount2("./25/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] <... close resumed>) = 0 [pid 5842] rmdir("./23/bus" [pid 5845] <... close resumed>) = 0 [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5844] newfstatat(AT_FDCWD, "./25/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] umount2("./25/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] <... rmdir resumed>) = 0 [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5974] <... mmap resumed>) = 0x7f8e0a400000 [pid 5844] openat(AT_FDCWD, "./25/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5842] getdents64(3, [pid 5844] <... openat resumed>) = 4 [pid 5844] newfstatat(4, "", [pid 5845] rmdir("./23" [pid 5844] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5845] <... rmdir resumed>) = 0 [pid 5844] getdents64(4, [pid 5842] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5845] mkdir("./24", 0777 [pid 5844] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5845] <... mkdir resumed>) = 0 [pid 5844] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5844] close(4) = 0 [pid 5845] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5844] rmdir("./25/bus" [pid 5845] <... openat resumed>) = 3 [pid 5844] <... rmdir resumed>) = 0 [pid 5842] close(3 [pid 5845] ioctl(3, LOOP_CLR_FD) = 0 [pid 5842] <... close resumed>) = 0 [pid 5842] rmdir("./23" [pid 5845] close(3 [pid 5842] <... rmdir resumed>) = 0 [pid 5844] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5844] close(3) = 0 [pid 5844] rmdir("./25") = 0 [pid 5844] mkdir("./26", 0777) = 0 [pid 5844] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5844] ioctl(3, LOOP_CLR_FD) = 0 [pid 5844] close(3 [pid 5842] mkdir("./24", 0777) = 0 [pid 5842] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5842] ioctl(3, LOOP_CLR_FD) = 0 [pid 5842] close(3 [pid 5845] <... close resumed>) = 0 [pid 5844] <... close resumed>) = 0 [pid 5845] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5975 attached [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5975] set_robust_list(0x55557f708660, 24) = 0 [pid 5975] chdir("./24") = 0 [pid 5975] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5845] <... clone resumed>, child_tidptr=0x55557f708650) = 5975 [pid 5975] setpgid(0, 0) = 0 [pid 5975] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 5976 attached [pid 5844] <... clone resumed>, child_tidptr=0x55557f708650) = 5976 [pid 5975] <... openat resumed>) = 3 [pid 5975] write(3, "1000", 4 [pid 5974] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5975] <... write resumed>) = 4 [pid 5975] close(3) = 0 [pid 5976] set_robust_list(0x55557f708660, 24 [pid 5975] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5976] <... set_robust_list resumed>) = 0 [pid 5976] chdir("./26" [pid 5975] write(1, "executing program\n", 18 [pid 5976] <... chdir resumed>) = 0 executing program [pid 5975] <... write resumed>) = 18 [pid 5976] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5975] memfd_create("syzkaller", 0 [pid 5976] <... prctl resumed>) = 0 [pid 5976] setpgid(0, 0 [pid 5975] <... memfd_create resumed>) = 3 [pid 5976] <... setpgid resumed>) = 0 [pid 5975] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5976] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5975] <... mmap resumed>) = 0x7f8e0a400000 [pid 5976] <... openat resumed>) = 3 [pid 5976] write(3, "1000", 4executing program ) = 4 [pid 5842] <... close resumed>) = 0 [pid 5976] close(3) = 0 [pid 5976] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5976] write(1, "executing program\n", 18) = 18 [pid 5976] memfd_create("syzkaller", 0) = 3 [pid 5976] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557f708650) = 5977 ./strace-static-x86_64: Process 5977 attached [pid 5974] <... write resumed>) = 2097152 [pid 5977] set_robust_list(0x55557f708660, 24) = 0 [pid 5977] chdir("./24") = 0 [pid 5977] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5977] setpgid(0, 0) = 0 [pid 5977] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5974] munmap(0x7f8e0a400000, 138412032 [pid 5977] write(3, "1000", 4 [pid 5974] <... munmap resumed>) = 0 [pid 5974] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 5977] <... write resumed>) = 4 [pid 5975] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5974] ioctl(4, LOOP_SET_FD, 3 [pid 5977] close(3) = 0 [pid 5977] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5977] write(1, "executing program\n", 18 [pid 5974] <... ioctl resumed>) = 0 [pid 5974] close(3) = 0 executing program [pid 5977] <... write resumed>) = 18 [pid 5977] memfd_create("syzkaller", 0 [ 118.199607][ T5974] loop4: detected capacity change from 0 to 4096 [pid 5974] close(4) = 0 [pid 5974] mkdir("./bus", 0777 [pid 5977] <... memfd_create resumed>) = 3 [pid 5974] <... mkdir resumed>) = 0 [pid 5977] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 [pid 5974] mount("/dev/loop4", "./bus", "ntfs3", 0, "" [pid 5976] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5975] <... write resumed>) = 2097152 [pid 5975] munmap(0x7f8e0a400000, 138412032 [pid 5977] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5976] <... write resumed>) = 2097152 [pid 5974] <... mount resumed>) = 0 [pid 5976] munmap(0x7f8e0a400000, 138412032) = 0 [pid 5974] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5974] chdir("./bus") = 0 [pid 5974] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5976] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5975] <... munmap resumed>) = 0 [pid 5974] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5976] <... openat resumed>) = 4 [pid 5974] sched_setaffinity(0, 0, NULL [pid 5975] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 5975] ioctl(4, LOOP_SET_FD, 3 [pid 5974] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5976] ioctl(4, LOOP_SET_FD, 3 [pid 5975] <... ioctl resumed>) = 0 [pid 5974] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5974] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 5975] close(3) = 0 [pid 5975] close(4) = 0 [pid 5975] mkdir("./bus", 0777) = 0 [pid 5976] <... ioctl resumed>) = 0 [pid 5974] read(4, [pid 5973] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5976] close(3) = 0 [pid 5976] close(4) = 0 [pid 5975] mount("/dev/loop3", "./bus", "ntfs3", 0, "" [pid 5976] mkdir("./bus", 0777) = 0 [pid 5976] mount("/dev/loop2", "./bus", "ntfs3", 0, "" [pid 5973] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5973] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 5977] <... write resumed>) = 2097152 [pid 5973] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 5973] exit_group(0) = ? [ 118.358520][ T5975] loop3: detected capacity change from 0 to 4096 [ 118.370433][ T5976] loop2: detected capacity change from 0 to 4096 [pid 5977] munmap(0x7f8e0a400000, 138412032) = 0 [pid 5975] <... mount resumed>) = 0 [pid 5973] +++ exited with 0 +++ [pid 5843] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5973, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 5977] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5843] umount2("./22", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5975] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5977] ioctl(4, LOOP_SET_FD, 3 [pid 5975] <... openat resumed>) = 3 [pid 5975] chdir("./bus" [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] openat(AT_FDCWD, "./22", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5975] <... chdir resumed>) = 0 [pid 5843] <... openat resumed>) = 3 [pid 5975] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5975] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5975] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5975] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 5975] read(4, [pid 5843] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5843] getdents64(3, [pid 5977] <... ioctl resumed>) = 0 [pid 5843] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5843] umount2("./22/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5977] close(3 [pid 5843] newfstatat(AT_FDCWD, "./22/binderfs", [pid 5977] <... close resumed>) = 0 [pid 5977] close(4) = 0 [pid 5977] mkdir("./bus", 0777) = 0 [pid 5843] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] unlink("./22/binderfs") = 0 [pid 5976] <... mount resumed>) = 0 [pid 5843] umount2("./22/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5976] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5977] mount("/dev/loop0", "./bus", "ntfs3", 0, "" [pid 5843] <... umount2 resumed>) = 0 [pid 5976] <... openat resumed>) = 3 [pid 5843] umount2("./22/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5976] chdir("./bus" [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 118.445788][ T5977] loop0: detected capacity change from 0 to 4096 [pid 5976] <... chdir resumed>) = 0 [pid 5843] newfstatat(AT_FDCWD, "./22/bus", [pid 5976] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5976] sched_setaffinity(0, 0, NULL [pid 5843] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5976] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5976] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5976] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5843] umount2("./22/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5976] <... openat resumed>) = 4 [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5976] read(4, [pid 5843] openat(AT_FDCWD, "./22/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5843] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5843] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5843] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5843] close(4) = 0 [pid 5843] rmdir("./22/bus") = 0 [pid 5843] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5843] close(3) = 0 [pid 5843] rmdir("./22") = 0 [pid 5843] mkdir("./23", 0777 [pid 5977] <... mount resumed>) = 0 [pid 5843] <... mkdir resumed>) = 0 [pid 5843] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5977] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5843] <... openat resumed>) = 3 [pid 5977] chdir("./bus") = 0 [pid 5843] ioctl(3, LOOP_CLR_FD [pid 5977] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5977] sched_setaffinity(0, 0, NULL [pid 5843] <... ioctl resumed>) = 0 [pid 5977] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5977] sched_setscheduler(0, SCHED_RR, NULL [pid 5843] close(3) = 0 [pid 5977] <... sched_setscheduler resumed>) = -1 EINVAL (Invalid argument) [pid 5977] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5843] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5977] <... openat resumed>) = 4 [pid 5977] read(4, ./strace-static-x86_64: Process 5978 attached [pid 5978] set_robust_list(0x55557f708660, 24) = 0 [pid 5978] chdir("./23" [pid 5843] <... clone resumed>, child_tidptr=0x55557f708650) = 5978 [pid 5978] <... chdir resumed>) = 0 [pid 5978] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5978] setpgid(0, 0) = 0 [pid 5978] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5978] write(3, "1000", 4) = 4 [pid 5978] close(3) = 0 [pid 5978] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5978] write(1, "executing program\n", 18executing program ) = 18 [pid 5978] memfd_create("syzkaller", 0) = 3 [pid 5978] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 [pid 5975] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5975] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5975] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 5975] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 5975] exit_group(0) = ? [pid 5975] +++ exited with 0 +++ [pid 5845] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5975, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5845] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5845] umount2("./24", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5845] openat(AT_FDCWD, "./24", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5845] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5845] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5845] umount2("./24/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5845] newfstatat(AT_FDCWD, "./24/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5845] unlink("./24/binderfs") = 0 [pid 5845] umount2("./24/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 5845] umount2("./24/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5845] newfstatat(AT_FDCWD, "./24/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5845] umount2("./24/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5978] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5845] openat(AT_FDCWD, "./24/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5974] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5845] <... openat resumed>) = 4 [pid 5974] sched_setaffinity(0, 0, NULL [pid 5845] newfstatat(4, "", [pid 5974] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5845] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5974] rename(NULL, NULL [pid 5845] getdents64(4, [pid 5974] <... rename resumed>) = -1 EFAULT (Bad address) [pid 5845] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5974] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 5974] exit_group(0) = ? [pid 5974] +++ exited with 0 +++ [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5974, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=15 /* 0.15 s */} --- [pid 5845] getdents64(4, [pid 5846] restart_syscall(<... resuming interrupted clone ...> [pid 5845] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5846] <... restart_syscall resumed>) = 0 [pid 5845] close(4) = 0 [pid 5845] rmdir("./24/bus") = 0 [pid 5846] umount2("./25", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5845] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5846] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5845] close(3) = 0 [pid 5846] openat(AT_FDCWD, "./25", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5845] rmdir("./24" [pid 5846] <... openat resumed>) = 3 [pid 5845] <... rmdir resumed>) = 0 [pid 5846] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5845] mkdir("./25", 0777 [pid 5846] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5846] umount2("./25/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5846] newfstatat(AT_FDCWD, "./25/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5846] unlink("./25/binderfs") = 0 [pid 5845] <... mkdir resumed>) = 0 [pid 5846] umount2("./25/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 5845] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5845] ioctl(3, LOOP_CLR_FD [pid 5846] umount2("./25/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5845] <... ioctl resumed>) = 0 [pid 5845] close(3 [pid 5846] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5977] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5978] <... write resumed>) = 2097152 [pid 5977] sched_setaffinity(0, 0, NULL [pid 5978] munmap(0x7f8e0a400000, 138412032 [pid 5977] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5978] <... munmap resumed>) = 0 [pid 5977] rename(NULL, NULL [pid 5846] newfstatat(AT_FDCWD, "./25/bus", [pid 5845] <... close resumed>) = 0 [pid 5846] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5846] umount2("./25/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5978] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5977] <... rename resumed>) = -1 EFAULT (Bad address) [pid 5978] <... openat resumed>) = 4 [pid 5977] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5845] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5977] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5846] openat(AT_FDCWD, "./25/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5977] exit_group(0) = ? [pid 5978] ioctl(4, LOOP_SET_FD, 3 [pid 5977] +++ exited with 0 +++ [pid 5845] <... clone resumed>, child_tidptr=0x55557f708650) = 5979 ./strace-static-x86_64: Process 5979 attached [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5977, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=19 /* 0.19 s */} --- [pid 5979] set_robust_list(0x55557f708660, 24 [pid 5846] <... openat resumed>) = 4 [pid 5842] restart_syscall(<... resuming interrupted clone ...> [pid 5979] <... set_robust_list resumed>) = 0 [pid 5846] newfstatat(4, "", [pid 5842] <... restart_syscall resumed>) = 0 [pid 5846] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5979] chdir("./25" [pid 5846] getdents64(4, [pid 5979] <... chdir resumed>) = 0 [pid 5978] <... ioctl resumed>) = 0 [pid 5979] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5846] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5842] umount2("./24", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5979] setpgid(0, 0) = 0 [pid 5978] close(3 [pid 5846] getdents64(4, [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5978] <... close resumed>) = 0 [pid 5979] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5978] close(4 [pid 5846] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5842] openat(AT_FDCWD, "./24", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5979] <... openat resumed>) = 3 [pid 5978] <... close resumed>) = 0 [pid 5978] mkdir("./bus", 0777 [pid 5842] <... openat resumed>) = 3 [pid 5979] write(3, "1000", 4 [pid 5978] <... mkdir resumed>) = 0 [pid 5846] close(4 [pid 5842] newfstatat(3, "", [pid 5978] mount("/dev/loop1", "./bus", "ntfs3", 0, "" [pid 5979] <... write resumed>) = 4 [pid 5846] <... close resumed>) = 0 [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5979] close(3 [pid 5846] rmdir("./25/bus" [pid 5979] <... close resumed>) = 0 [pid 5842] getdents64(3, executing program [pid 5979] symlink("/dev/binderfs", "./binderfs" [pid 5846] <... rmdir resumed>) = 0 [pid 5842] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5979] <... symlink resumed>) = 0 [pid 5842] umount2("./24/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5979] write(1, "executing program\n", 18 [pid 5846] getdents64(3, [pid 5979] <... write resumed>) = 18 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5846] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5979] memfd_create("syzkaller", 0 [pid 5842] newfstatat(AT_FDCWD, "./24/binderfs", [pid 5846] close(3 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5846] <... close resumed>) = 0 [pid 5842] unlink("./24/binderfs") = 0 [pid 5842] umount2("./24/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5846] rmdir("./25") = 0 [pid 5842] <... umount2 resumed>) = 0 [pid 5846] mkdir("./26", 0777) = 0 [ 118.915872][ T5978] loop1: detected capacity change from 0 to 4096 [pid 5979] <... memfd_create resumed>) = 3 [pid 5846] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5842] umount2("./24/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5979] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5846] <... openat resumed>) = 3 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5979] <... mmap resumed>) = 0x7f8e0a400000 [pid 5846] ioctl(3, LOOP_CLR_FD [pid 5842] newfstatat(AT_FDCWD, "./24/bus", [pid 5846] <... ioctl resumed>) = 0 [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5846] close(3 [pid 5842] umount2("./24/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] openat(AT_FDCWD, "./24/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5842] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5842] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5842] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5842] close(4) = 0 [pid 5842] rmdir("./24/bus") = 0 [pid 5842] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5842] close(3) = 0 [pid 5842] rmdir("./24") = 0 [pid 5842] mkdir("./25", 0777) = 0 [pid 5842] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5842] ioctl(3, LOOP_CLR_FD) = 0 [pid 5846] <... close resumed>) = 0 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5842] close(3 [pid 5979] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152./strace-static-x86_64: Process 5980 attached [pid 5980] set_robust_list(0x55557f708660, 24 [pid 5846] <... clone resumed>, child_tidptr=0x55557f708650) = 5980 [pid 5980] <... set_robust_list resumed>) = 0 [pid 5978] <... mount resumed>) = 0 [pid 5980] chdir("./26" [pid 5978] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5980] <... chdir resumed>) = 0 [pid 5978] chdir("./bus") = 0 [pid 5980] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5978] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5980] <... prctl resumed>) = 0 [pid 5980] setpgid(0, 0 [pid 5978] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5980] <... setpgid resumed>) = 0 [pid 5978] sched_setaffinity(0, 0, NULL [pid 5980] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5978] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5980] <... openat resumed>) = 3 [pid 5978] sched_setscheduler(0, SCHED_RR, NULL [pid 5980] write(3, "1000", 4 [pid 5978] <... sched_setscheduler resumed>) = -1 EINVAL (Invalid argument) [pid 5980] <... write resumed>) = 4 [pid 5978] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5980] close(3) = 0 [pid 5978] <... openat resumed>) = 4 [pid 5980] symlink("/dev/binderfs", "./binderfs" [pid 5978] read(4, [pid 5980] <... symlink resumed>) = 0 executing program [pid 5980] write(1, "executing program\n", 18) = 18 [pid 5980] memfd_create("syzkaller", 0 [pid 5979] <... write resumed>) = 2097152 [pid 5842] <... close resumed>) = 0 [pid 5980] <... memfd_create resumed>) = 3 [pid 5979] munmap(0x7f8e0a400000, 138412032 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5981 attached [pid 5980] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5979] <... munmap resumed>) = 0 [pid 5842] <... clone resumed>, child_tidptr=0x55557f708650) = 5981 [pid 5980] <... mmap resumed>) = 0x7f8e0a400000 [pid 5981] set_robust_list(0x55557f708660, 24) = 0 [pid 5981] chdir("./25") = 0 [pid 5981] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5979] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5981] setpgid(0, 0) = 0 [pid 5981] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5979] <... openat resumed>) = 4 [pid 5979] ioctl(4, LOOP_SET_FD, 3 [pid 5981] <... openat resumed>) = 3 [pid 5981] write(3, "1000", 4) = 4 [pid 5981] close(3) = 0 [pid 5981] symlink("/dev/binderfs", "./binderfs" [pid 5979] <... ioctl resumed>) = 0 [pid 5979] close(3) = 0 [pid 5979] close(4) = 0 [pid 5979] mkdir("./bus", 0777 [pid 5981] <... symlink resumed>) = 0 [pid 5979] <... mkdir resumed>) = 0 [pid 5979] mount("/dev/loop3", "./bus", "ntfs3", 0, ""executing program [pid 5981] write(1, "executing program\n", 18) = 18 [pid 5981] memfd_create("syzkaller", 0 [pid 5980] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5981] <... memfd_create resumed>) = 3 [ 119.207406][ T5979] loop3: detected capacity change from 0 to 4096 [pid 5981] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 [pid 5980] <... write resumed>) = 2097152 [pid 5979] <... mount resumed>) = 0 [pid 5979] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5980] munmap(0x7f8e0a400000, 138412032) = 0 [pid 5979] <... openat resumed>) = 3 [pid 5979] chdir("./bus" [pid 5981] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5979] <... chdir resumed>) = 0 [pid 5979] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5980] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 5979] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5980] ioctl(4, LOOP_SET_FD, 3 [pid 5979] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5979] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5979] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 5979] read(4, [pid 5980] <... ioctl resumed>) = 0 [ 119.335167][ T5980] loop4: detected capacity change from 0 to 4096 [pid 5980] close(3) = 0 [pid 5980] close(4) = 0 [pid 5980] mkdir("./bus", 0777) = 0 [pid 5980] mount("/dev/loop4", "./bus", "ntfs3", 0, "" [pid 5981] <... write resumed>) = 2097152 [pid 5981] munmap(0x7f8e0a400000, 138412032) = 0 [pid 5981] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5976] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5976] sched_setaffinity(0, 0, NULL [pid 5981] <... openat resumed>) = 4 [pid 5976] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5976] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 5976] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5981] ioctl(4, LOOP_SET_FD, 3 [pid 5976] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5976] exit_group(0) = ? [pid 5976] +++ exited with 0 +++ [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5976, si_uid=0, si_status=0, si_utime=0, si_stime=32 /* 0.32 s */} --- [pid 5844] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5980] <... mount resumed>) = 0 [pid 5844] umount2("./26", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] openat(AT_FDCWD, "./26", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5844] newfstatat(3, "", [pid 5980] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5844] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5980] <... openat resumed>) = 3 [pid 5844] getdents64(3, [pid 5980] chdir("./bus" [pid 5844] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5980] <... chdir resumed>) = 0 [pid 5844] umount2("./26/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] newfstatat(AT_FDCWD, "./26/binderfs", [pid 5980] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5844] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5980] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5844] unlink("./26/binderfs" [pid 5980] sched_setaffinity(0, 0, NULL [pid 5844] <... unlink resumed>) = 0 [pid 5981] <... ioctl resumed>) = 0 [pid 5980] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5980] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5844] umount2("./26/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5981] close(3) = 0 [pid 5980] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5981] close(4 [pid 5980] <... openat resumed>) = 4 [pid 5844] <... umount2 resumed>) = 0 [pid 5980] read(4, [pid 5981] <... close resumed>) = 0 [pid 5844] umount2("./26/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] newfstatat(AT_FDCWD, "./26/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] umount2("./26/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] openat(AT_FDCWD, "./26/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5844] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5844] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5844] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5844] close(4) = 0 [pid 5844] rmdir("./26/bus") = 0 [ 119.494699][ T5981] loop0: detected capacity change from 0 to 4096 [pid 5981] mkdir("./bus", 0777) = 0 [pid 5981] mount("/dev/loop0", "./bus", "ntfs3", 0, "" [pid 5844] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5844] close(3) = 0 [pid 5844] rmdir("./26") = 0 [pid 5844] mkdir("./27", 0777) = 0 [pid 5844] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5844] ioctl(3, LOOP_CLR_FD) = 0 [pid 5844] close(3 [pid 5979] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5979] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5979] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 5979] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 5979] exit_group(0) = ? [pid 5844] <... close resumed>) = 0 [pid 5981] <... mount resumed>) = 0 [pid 5979] +++ exited with 0 +++ [pid 5981] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5845] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5979, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 5981] chdir("./bus" [pid 5845] restart_syscall(<... resuming interrupted clone ...> [pid 5981] <... chdir resumed>) = 0 [pid 5981] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5845] <... restart_syscall resumed>) = 0 [pid 5845] umount2("./25", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5981] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5845] openat(AT_FDCWD, "./25", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5981] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5845] <... openat resumed>) = 3 [pid 5981] sched_setscheduler(0, SCHED_RR, NULL [pid 5845] newfstatat(3, "", [pid 5981] <... sched_setscheduler resumed>) = -1 EINVAL (Invalid argument) [pid 5981] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5845] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5981] <... openat resumed>) = 4 [pid 5845] getdents64(3, ./strace-static-x86_64: Process 5982 attached [pid 5981] read(4, [pid 5845] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5845] umount2("./25/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5982] set_robust_list(0x55557f708660, 24 [pid 5845] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5844] <... clone resumed>, child_tidptr=0x55557f708650) = 5982 [pid 5982] <... set_robust_list resumed>) = 0 [pid 5845] newfstatat(AT_FDCWD, "./25/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5982] chdir("./27" [pid 5845] unlink("./25/binderfs") = 0 [pid 5982] <... chdir resumed>) = 0 [pid 5845] umount2("./25/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5982] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5982] setpgid(0, 0) = 0 [pid 5982] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5845] <... umount2 resumed>) = 0 [pid 5982] write(3, "1000", 4) = 4 [pid 5982] close(3) = 0 [pid 5845] umount2("./25/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5982] symlink("/dev/binderfs", "./binderfs" [pid 5845] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5845] newfstatat(AT_FDCWD, "./25/bus", [pid 5982] <... symlink resumed>) = 0 [pid 5845] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5982] write(1, "executing program\n", 18executing program [pid 5845] umount2("./25/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5982] <... write resumed>) = 18 [pid 5845] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5982] memfd_create("syzkaller", 0 [pid 5845] openat(AT_FDCWD, "./25/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5982] <... memfd_create resumed>) = 3 [pid 5845] <... openat resumed>) = 4 [pid 5982] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5845] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5845] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5982] <... mmap resumed>) = 0x7f8e0a400000 [pid 5845] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5845] close(4) = 0 [pid 5845] rmdir("./25/bus") = 0 [pid 5845] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5845] close(3) = 0 [pid 5845] rmdir("./25") = 0 [pid 5845] mkdir("./26", 0777) = 0 [pid 5845] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5845] ioctl(3, LOOP_CLR_FD) = 0 [pid 5845] close(3 [pid 5982] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5980] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5980] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5980] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 5980] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 5980] exit_group(0) = ? [pid 5980] +++ exited with 0 +++ [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5980, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [pid 5845] <... close resumed>) = 0 [pid 5846] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5845] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5846] umount2("./26", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5846] openat(AT_FDCWD, "./26", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 5983 attached ) = 3 [pid 5983] set_robust_list(0x55557f708660, 24 [pid 5846] newfstatat(3, "", [pid 5983] <... set_robust_list resumed>) = 0 [pid 5846] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5983] chdir("./26" [pid 5846] getdents64(3, [pid 5983] <... chdir resumed>) = 0 [pid 5983] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5846] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5845] <... clone resumed>, child_tidptr=0x55557f708650) = 5983 [pid 5846] umount2("./26/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5846] newfstatat(AT_FDCWD, "./26/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5846] unlink("./26/binderfs" [pid 5983] <... prctl resumed>) = 0 [pid 5983] setpgid(0, 0) = 0 [pid 5846] <... unlink resumed>) = 0 [pid 5983] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5846] umount2("./26/bus", MNT_FORCE|UMOUNT_NOFOLLOWexecuting program [pid 5983] <... openat resumed>) = 3 [pid 5846] <... umount2 resumed>) = 0 [pid 5983] write(3, "1000", 4) = 4 [pid 5983] close(3) = 0 [pid 5983] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5983] write(1, "executing program\n", 18) = 18 [pid 5983] memfd_create("syzkaller", 0 [pid 5846] umount2("./26/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5983] <... memfd_create resumed>) = 3 [pid 5846] newfstatat(AT_FDCWD, "./26/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5846] umount2("./26/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5981] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5846] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5846] openat(AT_FDCWD, "./26/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5983] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 [pid 5846] <... openat resumed>) = 4 [pid 5846] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5846] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5982] <... write resumed>) = 2097152 [pid 5846] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5846] close(4 [pid 5982] munmap(0x7f8e0a400000, 138412032 [pid 5846] <... close resumed>) = 0 [pid 5846] rmdir("./26/bus" [pid 5981] sched_setaffinity(0, 0, NULL [pid 5982] <... munmap resumed>) = 0 [pid 5846] <... rmdir resumed>) = 0 [pid 5981] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5981] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 5981] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 5981] exit_group(0) = ? [pid 5846] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5982] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 5982] ioctl(4, LOOP_SET_FD, 3 [pid 5846] close(3 [pid 5982] <... ioctl resumed>) = 0 [pid 5846] <... close resumed>) = 0 [pid 5982] close(3) = 0 [pid 5982] close(4) = 0 [pid 5983] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5982] mkdir("./bus", 0777 [pid 5981] +++ exited with 0 +++ [pid 5978] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5846] rmdir("./26" [pid 5982] <... mkdir resumed>) = 0 [pid 5982] mount("/dev/loop2", "./bus", "ntfs3", 0, "" [pid 5846] <... rmdir resumed>) = 0 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5981, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=14 /* 0.14 s */} --- [pid 5978] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5978] rename(NULL, NULL [pid 5846] mkdir("./27", 0777 [pid 5842] umount2("./25", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5978] <... rename resumed>) = -1 EFAULT (Bad address) [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5978] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 5978] exit_group(0) = ? [pid 5846] <... mkdir resumed>) = 0 [pid 5842] openat(AT_FDCWD, "./25", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5978] +++ exited with 0 +++ [pid 5842] <... openat resumed>) = 3 [pid 5846] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5843] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5978, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=21 /* 0.21 s */} --- [pid 5843] restart_syscall(<... resuming interrupted clone ...> [pid 5842] newfstatat(3, "", [pid 5846] <... openat resumed>) = 3 [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5846] ioctl(3, LOOP_CLR_FD [pid 5842] getdents64(3, [pid 5846] <... ioctl resumed>) = 0 [pid 5842] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5846] close(3 [pid 5842] umount2("./25/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5843] <... restart_syscall resumed>) = 0 [pid 5843] umount2("./23", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5843] openat(AT_FDCWD, "./23", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] newfstatat(3, "", [pid 5842] newfstatat(AT_FDCWD, "./25/binderfs", [pid 5843] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5843] getdents64(3, [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5843] umount2("./23/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5843] newfstatat(AT_FDCWD, "./23/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] unlink("./23/binderfs") = 0 [pid 5843] umount2("./23/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] unlink("./25/binderfs" [pid 5843] <... umount2 resumed>) = 0 [pid 5842] <... unlink resumed>) = 0 [ 119.902225][ T5982] loop2: detected capacity change from 0 to 4096 [pid 5843] umount2("./23/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] umount2("./25/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5983] <... write resumed>) = 2097152 [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5983] munmap(0x7f8e0a400000, 138412032 [pid 5843] newfstatat(AT_FDCWD, "./23/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] <... umount2 resumed>) = 0 [pid 5842] umount2("./25/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5843] umount2("./23/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] openat(AT_FDCWD, "./23/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5843] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5843] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5843] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5843] close(4) = 0 [pid 5843] rmdir("./23/bus" [pid 5846] <... close resumed>) = 0 [pid 5843] <... rmdir resumed>) = 0 [pid 5842] newfstatat(AT_FDCWD, "./25/bus", [pid 5983] <... munmap resumed>) = 0 [pid 5983] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 5983] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5843] getdents64(3, [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 5984 attached [pid 5983] close(3 [pid 5843] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5842] umount2("./25/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5846] <... clone resumed>, child_tidptr=0x55557f708650) = 5984 [pid 5843] close(3 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5984] set_robust_list(0x55557f708660, 24 [pid 5983] <... close resumed>) = 0 [pid 5843] <... close resumed>) = 0 [pid 5842] openat(AT_FDCWD, "./25/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5984] <... set_robust_list resumed>) = 0 [pid 5983] close(4 [pid 5843] rmdir("./23" [pid 5842] <... openat resumed>) = 4 [pid 5984] chdir("./27" [pid 5983] <... close resumed>) = 0 [pid 5843] <... rmdir resumed>) = 0 [pid 5842] newfstatat(4, "", [pid 5983] mkdir("./bus", 0777 [pid 5843] mkdir("./24", 0777 [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5983] <... mkdir resumed>) = 0 [pid 5843] <... mkdir resumed>) = 0 [pid 5842] getdents64(4, [pid 5984] <... chdir resumed>) = 0 [pid 5983] mount("/dev/loop3", "./bus", "ntfs3", 0, "" [pid 5982] <... mount resumed>) = 0 [pid 5843] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5842] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5984] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5843] <... openat resumed>) = 3 [pid 5842] getdents64(4, [pid 5984] <... prctl resumed>) = 0 [pid 5843] ioctl(3, LOOP_CLR_FD [pid 5842] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5984] setpgid(0, 0 [pid 5843] <... ioctl resumed>) = 0 [pid 5842] close(4 [pid 5984] <... setpgid resumed>) = 0 [pid 5843] close(3 [pid 5842] <... close resumed>) = 0 [pid 5982] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5842] rmdir("./25/bus") = 0 [pid 5842] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5842] close(3) = 0 [pid 5842] rmdir("./25") = 0 [pid 5842] mkdir("./26", 0777 [pid 5984] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5982] <... openat resumed>) = 3 [pid 5842] <... mkdir resumed>) = 0 [pid 5842] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5984] <... openat resumed>) = 3 [pid 5982] chdir("./bus" [pid 5842] <... openat resumed>) = 3 [pid 5984] write(3, "1000", 4 [pid 5982] <... chdir resumed>) = 0 [pid 5984] <... write resumed>) = 4 [pid 5982] openat(AT_FDCWD, "/dev/loop2", O_RDWR [ 119.989026][ T5983] loop3: detected capacity change from 0 to 4096 [pid 5984] close(3executing program ) = 0 [pid 5982] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5842] ioctl(3, LOOP_CLR_FD [pid 5984] symlink("/dev/binderfs", "./binderfs" [pid 5982] sched_setaffinity(0, 0, NULL [pid 5842] <... ioctl resumed>) = 0 [pid 5842] close(3 [pid 5984] <... symlink resumed>) = 0 [pid 5982] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5984] write(1, "executing program\n", 18 [pid 5982] sched_setscheduler(0, SCHED_RR, NULL [pid 5984] <... write resumed>) = 18 [pid 5982] <... sched_setscheduler resumed>) = -1 EINVAL (Invalid argument) [pid 5984] memfd_create("syzkaller", 0 [pid 5982] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 5984] <... memfd_create resumed>) = 3 [pid 5984] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5983] <... mount resumed>) = 0 [pid 5982] read(4, [pid 5984] <... mmap resumed>) = 0x7f8e0a400000 [pid 5843] <... close resumed>) = 0 [pid 5843] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5986 attached [pid 5983] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5843] <... clone resumed>, child_tidptr=0x55557f708650) = 5986 [pid 5842] <... close resumed>) = 0 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5987 attached [pid 5986] set_robust_list(0x55557f708660, 24 [pid 5983] <... openat resumed>) = 3 [pid 5987] set_robust_list(0x55557f708660, 24 [pid 5986] <... set_robust_list resumed>) = 0 [pid 5983] chdir("./bus" [pid 5986] chdir("./24" [pid 5983] <... chdir resumed>) = 0 [pid 5842] <... clone resumed>, child_tidptr=0x55557f708650) = 5987 [pid 5987] <... set_robust_list resumed>) = 0 [pid 5987] chdir("./26") = 0 [pid 5987] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5987] setpgid(0, 0) = 0 [pid 5987] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5983] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5986] <... chdir resumed>) = 0 [pid 5987] write(3, "1000", 4 [pid 5986] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5983] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5987] <... write resumed>) = 4 [pid 5986] <... prctl resumed>) = 0 [pid 5983] sched_setaffinity(0, 0, NULL [pid 5987] close(3) = 0 [pid 5987] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5987] write(1, "executing program\n", 18) = 18 [pid 5987] memfd_create("syzkaller", 0 [pid 5986] setpgid(0, 0 [pid 5983] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5986] <... setpgid resumed>) = 0 [pid 5987] <... memfd_create resumed>) = 3 [pid 5986] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5983] sched_setscheduler(0, SCHED_RR, NULL [pid 5987] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5986] <... openat resumed>) = 3 [pid 5983] <... sched_setscheduler resumed>) = -1 EINVAL (Invalid argument) [pid 5987] <... mmap resumed>) = 0x7f8e0a400000 [pid 5986] write(3, "1000", 4 [pid 5983] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5986] <... write resumed>) = 4 [pid 5984] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5983] <... openat resumed>) = 4 [pid 5986] close(3 [pid 5983] read(4, [pid 5986] <... close resumed>) = 0 [pid 5986] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5986] write(1, "executing program\n", 18) = 18 [pid 5986] memfd_create("syzkaller", 0) = 3 [pid 5986] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 [pid 5987] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5986] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5987] <... write resumed>) = 2097152 [pid 5984] <... write resumed>) = 2097152 [pid 5984] munmap(0x7f8e0a400000, 138412032 [pid 5987] munmap(0x7f8e0a400000, 138412032) = 0 [pid 5984] <... munmap resumed>) = 0 [pid 5987] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5987] ioctl(4, LOOP_SET_FD, 3 [pid 5984] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5986] <... write resumed>) = 2097152 [pid 5984] <... openat resumed>) = 4 [pid 5986] munmap(0x7f8e0a400000, 138412032 [pid 5984] ioctl(4, LOOP_SET_FD, 3 [pid 5987] <... ioctl resumed>) = 0 [pid 5984] <... ioctl resumed>) = 0 [pid 5987] close(3) = 0 [pid 5987] close(4) = 0 [pid 5987] mkdir("./bus", 0777) = 0 [pid 5987] mount("/dev/loop0", "./bus", "ntfs3", 0, "" [pid 5986] <... munmap resumed>) = 0 [pid 5984] close(3 [pid 5986] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5984] <... close resumed>) = 0 [pid 5986] <... openat resumed>) = 4 [pid 5984] close(4 [pid 5986] ioctl(4, LOOP_SET_FD, 3 [pid 5984] <... close resumed>) = 0 [pid 5984] mkdir("./bus", 0777) = 0 [ 120.328291][ T5987] loop0: detected capacity change from 0 to 4096 [ 120.336567][ T5984] loop4: detected capacity change from 0 to 4096 [pid 5984] mount("/dev/loop4", "./bus", "ntfs3", 0, "" [pid 5986] <... ioctl resumed>) = 0 [pid 5986] close(3) = 0 [pid 5986] close(4) = 0 [pid 5986] mkdir("./bus", 0777) = 0 [pid 5986] mount("/dev/loop1", "./bus", "ntfs3", 0, "" [pid 5987] <... mount resumed>) = 0 [ 120.382385][ T5986] loop1: detected capacity change from 0 to 4096 [pid 5987] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5987] chdir("./bus") = 0 [pid 5987] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5987] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5987] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5987] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 5987] read(4, [pid 5984] <... mount resumed>) = 0 [pid 5984] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5984] chdir("./bus") = 0 [pid 5984] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5986] <... mount resumed>) = 0 [pid 5984] sched_setaffinity(0, 0, NULL [pid 5986] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5984] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5986] <... openat resumed>) = 3 [pid 5984] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5986] chdir("./bus" [pid 5984] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5986] <... chdir resumed>) = 0 [pid 5986] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5984] <... openat resumed>) = 4 [pid 5986] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5984] read(4, [pid 5986] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5986] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5986] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 5986] read(4, [pid 5982] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5982] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5982] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 5982] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 5982] exit_group(0) = ? [pid 5982] +++ exited with 0 +++ [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5982, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=24 /* 0.24 s */} --- [pid 5844] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5844] umount2("./27", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] openat(AT_FDCWD, "./27", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5844] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5844] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5844] umount2("./27/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] newfstatat(AT_FDCWD, "./27/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] unlink("./27/binderfs") = 0 [pid 5844] umount2("./27/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5986] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5983] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5986] sched_setaffinity(0, 0, NULL [pid 5984] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5983] sched_setaffinity(0, 0, NULL [pid 5986] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5984] sched_setaffinity(0, 0, NULL [pid 5844] <... umount2 resumed>) = 0 [pid 5986] rename(NULL, NULL [pid 5984] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5844] umount2("./27/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5986] <... rename resumed>) = -1 EFAULT (Bad address) [pid 5984] rename(NULL, NULL [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5986] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5984] <... rename resumed>) = -1 EFAULT (Bad address) [pid 5844] newfstatat(AT_FDCWD, "./27/bus", [pid 5986] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5984] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5844] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5986] exit_group(0 [pid 5984] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5986] <... exit_group resumed>) = ? [pid 5984] exit_group(0 [pid 5844] umount2("./27/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5986] +++ exited with 0 +++ [pid 5984] <... exit_group resumed>) = ? [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5844] openat(AT_FDCWD, "./27/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5983] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5844] <... openat resumed>) = 4 [pid 5843] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5986, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=12 /* 0.12 s */} --- [pid 5983] rename(NULL, NULL [pid 5844] newfstatat(4, "", [pid 5843] restart_syscall(<... resuming interrupted clone ...> [pid 5983] <... rename resumed>) = -1 EFAULT (Bad address) [pid 5983] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5844] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5843] <... restart_syscall resumed>) = 0 [pid 5983] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5844] getdents64(4, [pid 5983] exit_group(0) = ? [pid 5844] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5844] getdents64(4, [pid 5843] umount2("./24", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5844] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5844] close(4 [pid 5843] openat(AT_FDCWD, "./24", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5844] <... close resumed>) = 0 [pid 5843] <... openat resumed>) = 3 [pid 5984] +++ exited with 0 +++ [pid 5844] rmdir("./27/bus" [pid 5843] newfstatat(3, "", [pid 5983] +++ exited with 0 +++ [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5984, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 5844] <... rmdir resumed>) = 0 [pid 5843] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5845] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5983, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=25 /* 0.25 s */} --- [pid 5844] getdents64(3, [pid 5843] getdents64(3, [pid 5845] restart_syscall(<... resuming interrupted clone ...> [pid 5844] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5843] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5844] close(3 [pid 5843] umount2("./24/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5844] <... close resumed>) = 0 [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5844] rmdir("./27" [pid 5843] newfstatat(AT_FDCWD, "./24/binderfs", [pid 5845] <... restart_syscall resumed>) = 0 [pid 5843] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] unlink("./24/binderfs" [pid 5844] <... rmdir resumed>) = 0 [pid 5843] <... unlink resumed>) = 0 [pid 5845] umount2("./26", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5845] openat(AT_FDCWD, "./26", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5844] mkdir("./28", 0777 [pid 5843] umount2("./24/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5845] <... openat resumed>) = 3 [pid 5845] newfstatat(3, "", [pid 5987] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5987] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5846] umount2("./27", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5845] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5987] rename(NULL, NULL [pid 5846] openat(AT_FDCWD, "./27", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5845] getdents64(3, [pid 5844] <... mkdir resumed>) = 0 [pid 5987] <... rename resumed>) = -1 EFAULT (Bad address) [pid 5846] <... openat resumed>) = 3 [pid 5845] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5846] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5846] getdents64(3, [pid 5845] umount2("./26/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5846] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5987] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5845] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5844] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5843] <... umount2 resumed>) = 0 [pid 5987] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5846] umount2("./27/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5845] newfstatat(AT_FDCWD, "./26/binderfs", [pid 5987] exit_group(0 [pid 5846] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5845] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] <... openat resumed>) = 3 [pid 5846] newfstatat(AT_FDCWD, "./27/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5845] unlink("./26/binderfs" [pid 5844] ioctl(3, LOOP_CLR_FD [pid 5987] <... exit_group resumed>) = ? [pid 5844] <... ioctl resumed>) = 0 [pid 5843] umount2("./24/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5845] <... unlink resumed>) = 0 [pid 5846] unlink("./27/binderfs" [pid 5844] close(3 [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5846] <... unlink resumed>) = 0 [pid 5987] +++ exited with 0 +++ [pid 5845] umount2("./26/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5844] <... close resumed>) = 0 [pid 5843] newfstatat(AT_FDCWD, "./24/bus", [pid 5846] umount2("./27/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5845] <... umount2 resumed>) = 0 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5843] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5987, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=23 /* 0.23 s */} --- [pid 5843] umount2("./24/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5845] umount2("./26/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5845] newfstatat(AT_FDCWD, "./26/bus", [pid 5842] umount2("./26", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5845] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5845] umount2("./26/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] openat(AT_FDCWD, "./26", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5845] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] <... openat resumed>) = 3 [pid 5845] openat(AT_FDCWD, "./26/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5842] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5842] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5842] umount2("./26/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5845] <... openat resumed>) = 4 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5845] newfstatat(4, "", [pid 5842] newfstatat(AT_FDCWD, "./26/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5845] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5842] unlink("./26/binderfs" [pid 5845] getdents64(4, [pid 5842] <... unlink resumed>) = 0 [pid 5845] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5845] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5842] umount2("./26/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5845] close(4) = 0 [pid 5843] openat(AT_FDCWD, "./24/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5845] rmdir("./26/bus"./strace-static-x86_64: Process 5991 attached [pid 5846] <... umount2 resumed>) = 0 [pid 5845] <... rmdir resumed>) = 0 [pid 5844] <... clone resumed>, child_tidptr=0x55557f708650) = 5991 [pid 5843] <... openat resumed>) = 4 [pid 5842] <... umount2 resumed>) = 0 [pid 5991] set_robust_list(0x55557f708660, 24 [pid 5846] umount2("./27/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5843] newfstatat(4, "", [pid 5991] <... set_robust_list resumed>) = 0 [pid 5846] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5991] chdir("./28" [pid 5846] newfstatat(AT_FDCWD, "./27/bus", [pid 5843] getdents64(4, [pid 5991] <... chdir resumed>) = 0 [pid 5846] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5991] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5846] umount2("./27/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5843] getdents64(4, [pid 5991] <... prctl resumed>) = 0 [pid 5846] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5845] getdents64(3, [pid 5843] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5991] setpgid(0, 0 [pid 5846] openat(AT_FDCWD, "./27/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5843] close(4 [pid 5991] <... setpgid resumed>) = 0 [pid 5846] <... openat resumed>) = 4 [pid 5843] <... close resumed>) = 0 [pid 5991] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5846] newfstatat(4, "", [pid 5843] rmdir("./24/bus"executing program [pid 5991] <... openat resumed>) = 3 [pid 5846] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5845] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5843] <... rmdir resumed>) = 0 [pid 5991] write(3, "1000", 4 [pid 5846] getdents64(4, [pid 5843] getdents64(3, [pid 5991] <... write resumed>) = 4 [pid 5846] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5843] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5991] close(3 [pid 5843] close(3 [pid 5991] <... close resumed>) = 0 [pid 5846] getdents64(4, [pid 5843] <... close resumed>) = 0 [pid 5991] symlink("/dev/binderfs", "./binderfs" [pid 5846] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5843] rmdir("./24" [pid 5991] <... symlink resumed>) = 0 [pid 5846] close(4 [pid 5843] <... rmdir resumed>) = 0 [pid 5991] write(1, "executing program\n", 18 [pid 5846] <... close resumed>) = 0 [pid 5843] mkdir("./25", 0777 [pid 5991] <... write resumed>) = 18 [pid 5843] <... mkdir resumed>) = 0 [pid 5846] rmdir("./27/bus" [pid 5843] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5846] <... rmdir resumed>) = 0 [pid 5843] <... openat resumed>) = 3 [pid 5843] ioctl(3, LOOP_CLR_FD) = 0 [pid 5991] memfd_create("syzkaller", 0 [pid 5845] close(3 [pid 5843] close(3 [pid 5842] umount2("./26/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5846] getdents64(3, [pid 5845] <... close resumed>) = 0 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5846] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5845] rmdir("./26" [pid 5842] newfstatat(AT_FDCWD, "./26/bus", [pid 5991] <... memfd_create resumed>) = 3 [pid 5991] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 [pid 5845] <... rmdir resumed>) = 0 [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5845] mkdir("./27", 0777 [pid 5842] umount2("./26/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5845] <... mkdir resumed>) = 0 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5845] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5842] openat(AT_FDCWD, "./26/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5842] newfstatat(4, "", [pid 5846] close(3 [pid 5845] <... openat resumed>) = 3 [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5846] <... close resumed>) = 0 [pid 5845] ioctl(3, LOOP_CLR_FD [pid 5842] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5846] rmdir("./27" [pid 5845] <... ioctl resumed>) = 0 [pid 5842] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5845] close(3 [pid 5846] <... rmdir resumed>) = 0 [pid 5842] close(4) = 0 [pid 5842] rmdir("./26/bus") = 0 [pid 5846] mkdir("./28", 0777 [pid 5842] getdents64(3, [pid 5846] <... mkdir resumed>) = 0 [pid 5842] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5846] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5842] close(3 [pid 5846] <... openat resumed>) = 3 [pid 5842] <... close resumed>) = 0 [pid 5842] rmdir("./26" [pid 5846] ioctl(3, LOOP_CLR_FD) = 0 [pid 5843] <... close resumed>) = 0 [pid 5843] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5846] close(3 [pid 5842] <... rmdir resumed>) = 0 [pid 5842] mkdir("./27", 0777) = 0 [pid 5843] <... clone resumed>, child_tidptr=0x55557f708650) = 5992 [pid 5842] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5842] ioctl(3, LOOP_CLR_FD) = 0 [pid 5842] close(3./strace-static-x86_64: Process 5992 attached [pid 5992] set_robust_list(0x55557f708660, 24) = 0 [pid 5992] chdir("./25") = 0 [pid 5992] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5992] setpgid(0, 0) = 0 [pid 5992] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5992] write(3, "1000", 4) = 4 [pid 5992] close(3) = 0 [pid 5992] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5992] write(1, "executing program\n", 18) = 18 [pid 5992] memfd_create("syzkaller", 0 [pid 5845] <... close resumed>) = 0 [pid 5845] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5992] <... memfd_create resumed>) = 3 [pid 5992] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5991] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5992] <... mmap resumed>) = 0x7f8e0a400000 ./strace-static-x86_64: Process 5993 attached [pid 5846] <... close resumed>) = 0 [pid 5993] set_robust_list(0x55557f708660, 24 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5845] <... clone resumed>, child_tidptr=0x55557f708650) = 5993 [pid 5993] <... set_robust_list resumed>) = 0 [pid 5842] <... close resumed>) = 0 ./strace-static-x86_64: Process 5994 attached [pid 5994] set_robust_list(0x55557f708660, 24 [pid 5993] chdir("./27" [pid 5846] <... clone resumed>, child_tidptr=0x55557f708650) = 5994 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5994] <... set_robust_list resumed>) = 0 [pid 5994] chdir("./28") = 0 [pid 5994] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5994] setpgid(0, 0) = 0 [pid 5994] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5993] <... chdir resumed>) = 0 [pid 5993] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5993] setpgid(0, 0) = 0 [pid 5994] write(3, "1000", 4 [pid 5993] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5994] <... write resumed>) = 4 [pid 5994] close(3) = 0 [pid 5993] <... openat resumed>) = 3 [pid 5842] <... clone resumed>, child_tidptr=0x55557f708650) = 5995 [pid 5993] write(3, "1000", 4 [pid 5994] symlink("/dev/binderfs", "./binderfs" [pid 5993] <... write resumed>) = 4 [pid 5993] close(3executing program [pid 5994] <... symlink resumed>) = 0 [pid 5993] <... close resumed>) = 0 [pid 5994] write(1, "executing program\n", 18) = 18 [pid 5994] memfd_create("syzkaller", 0./strace-static-x86_64: Process 5995 attached [pid 5993] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5993] write(1, "executing program\n", 18 [pid 5994] <... memfd_create resumed>) = 3 [pid 5994] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5995] set_robust_list(0x55557f708660, 24executing program [pid 5994] <... mmap resumed>) = 0x7f8e0a400000 [pid 5995] <... set_robust_list resumed>) = 0 [pid 5993] <... write resumed>) = 18 [pid 5991] <... write resumed>) = 2097152 [pid 5995] chdir("./27") = 0 [pid 5993] memfd_create("syzkaller", 0 [pid 5995] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5995] setpgid(0, 0) = 0 [pid 5995] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5995] write(3, "1000", 4 [pid 5993] <... memfd_create resumed>) = 3 [pid 5995] <... write resumed>) = 4 executing program [pid 5995] close(3 [pid 5993] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5995] <... close resumed>) = 0 [pid 5993] <... mmap resumed>) = 0x7f8e0a400000 [pid 5995] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5992] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5995] write(1, "executing program\n", 18) = 18 [pid 5995] memfd_create("syzkaller", 0 [pid 5991] munmap(0x7f8e0a400000, 138412032 [pid 5995] <... memfd_create resumed>) = 3 [pid 5995] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 [pid 5994] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5991] <... munmap resumed>) = 0 [pid 5991] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 5991] ioctl(4, LOOP_SET_FD, 3 [pid 5993] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5992] <... write resumed>) = 2097152 [pid 5995] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5991] <... ioctl resumed>) = 0 [pid 5992] munmap(0x7f8e0a400000, 138412032 [pid 5991] close(3 [pid 5992] <... munmap resumed>) = 0 [pid 5991] <... close resumed>) = 0 [pid 5991] close(4) = 0 [pid 5991] mkdir("./bus", 0777) = 0 [ 121.265560][ T5991] loop2: detected capacity change from 0 to 4096 [pid 5991] mount("/dev/loop2", "./bus", "ntfs3", 0, "" [pid 5992] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5992] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5994] <... write resumed>) = 2097152 [pid 5993] <... write resumed>) = 2097152 [pid 5994] munmap(0x7f8e0a400000, 138412032 [pid 5992] close(3 [pid 5993] munmap(0x7f8e0a400000, 138412032 [pid 5992] <... close resumed>) = 0 [pid 5992] close(4 [pid 5991] <... mount resumed>) = 0 [pid 5994] <... munmap resumed>) = 0 [pid 5993] <... munmap resumed>) = 0 [pid 5992] <... close resumed>) = 0 [pid 5991] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5991] chdir("./bus") = 0 [pid 5991] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5995] <... write resumed>) = 2097152 [pid 5994] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5993] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5992] mkdir("./bus", 0777 [ 121.328748][ T5992] loop1: detected capacity change from 0 to 4096 [pid 5995] munmap(0x7f8e0a400000, 138412032 [pid 5994] <... openat resumed>) = 4 [pid 5993] <... openat resumed>) = 4 [pid 5992] <... mkdir resumed>) = 0 [pid 5991] sched_setaffinity(0, 0, NULL [pid 5994] ioctl(4, LOOP_SET_FD, 3 [pid 5993] ioctl(4, LOOP_SET_FD, 3 [pid 5991] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5995] <... munmap resumed>) = 0 [pid 5992] mount("/dev/loop1", "./bus", "ntfs3", 0, "" [pid 5991] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5991] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 5991] read(4, [pid 5995] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5994] <... ioctl resumed>) = 0 [pid 5995] <... openat resumed>) = 4 [pid 5995] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5994] close(3 [pid 5993] <... ioctl resumed>) = 0 [pid 5995] close(3 [pid 5994] <... close resumed>) = 0 [pid 5994] close(4) = 0 [pid 5994] mkdir("./bus", 0777) = 0 [pid 5994] mount("/dev/loop4", "./bus", "ntfs3", 0, "" [pid 5995] <... close resumed>) = 0 [pid 5995] close(4) = 0 [pid 5995] mkdir("./bus", 0777) = 0 [pid 5995] mount("/dev/loop0", "./bus", "ntfs3", 0, "" [pid 5993] close(3) = 0 [pid 5993] close(4) = 0 [pid 5993] mkdir("./bus", 0777) = 0 [ 121.392469][ T5993] loop3: detected capacity change from 0 to 4096 [ 121.398716][ T5994] loop4: detected capacity change from 0 to 4096 [ 121.408346][ T5995] loop0: detected capacity change from 0 to 4096 [pid 5993] mount("/dev/loop3", "./bus", "ntfs3", 0, "" [pid 5992] <... mount resumed>) = 0 [pid 5992] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5992] chdir("./bus") = 0 [pid 5992] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5992] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5992] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5992] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 5992] read(4, [pid 5995] <... mount resumed>) = 0 [pid 5993] <... mount resumed>) = 0 [pid 5995] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5995] chdir("./bus") = 0 [pid 5994] <... mount resumed>) = 0 [pid 5993] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5995] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5993] <... openat resumed>) = 3 [pid 5995] sched_setaffinity(0, 0, NULL [pid 5994] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5993] chdir("./bus" [pid 5995] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5994] <... openat resumed>) = 3 [pid 5993] <... chdir resumed>) = 0 [pid 5995] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5994] chdir("./bus" [pid 5993] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5995] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5994] <... chdir resumed>) = 0 [pid 5994] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5995] <... openat resumed>) = 4 [pid 5994] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5993] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5995] read(4, [pid 5993] sched_setaffinity(0, 0, NULL [pid 5994] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5993] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5994] sched_setscheduler(0, SCHED_RR, NULL [pid 5993] sched_setscheduler(0, SCHED_RR, NULL [pid 5994] <... sched_setscheduler resumed>) = -1 EINVAL (Invalid argument) [pid 5993] <... sched_setscheduler resumed>) = -1 EINVAL (Invalid argument) [pid 5994] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5993] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5994] <... openat resumed>) = 4 [pid 5993] <... openat resumed>) = 4 [pid 5994] read(4, [pid 5993] read(4, [pid 5991] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5991] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5991] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 5991] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 5991] exit_group(0) = ? [pid 5991] +++ exited with 0 +++ [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5991, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5844] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5844] umount2("./28", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] openat(AT_FDCWD, "./28", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5844] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5844] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5844] umount2("./28/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] newfstatat(AT_FDCWD, "./28/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] unlink("./28/binderfs") = 0 [pid 5844] umount2("./28/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 5844] umount2("./28/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] newfstatat(AT_FDCWD, "./28/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] umount2("./28/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] openat(AT_FDCWD, "./28/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5844] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5844] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5844] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5844] close(4) = 0 [pid 5844] rmdir("./28/bus") = 0 [pid 5844] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5844] close(3) = 0 [pid 5844] rmdir("./28") = 0 [pid 5844] mkdir("./29", 0777) = 0 [pid 5844] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5844] ioctl(3, LOOP_CLR_FD) = 0 [pid 5844] close(3 [pid 5993] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5993] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5993] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 5993] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 5993] exit_group(0) = ? [pid 5993] +++ exited with 0 +++ [pid 5845] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5993, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=11 /* 0.11 s */} --- [pid 5845] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5845] umount2("./27", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5845] openat(AT_FDCWD, "./27", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5845] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5845] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5845] umount2("./27/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5845] newfstatat(AT_FDCWD, "./27/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5845] unlink("./27/binderfs") = 0 [pid 5845] umount2("./27/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 5844] <... close resumed>) = 0 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5996 attached [pid 5995] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5845] umount2("./27/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5844] <... clone resumed>, child_tidptr=0x55557f708650) = 5996 [pid 5996] set_robust_list(0x55557f708660, 24 [pid 5995] sched_setaffinity(0, 0, NULL [pid 5845] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5996] <... set_robust_list resumed>) = 0 [pid 5995] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5845] newfstatat(AT_FDCWD, "./27/bus", [pid 5996] chdir("./29" [pid 5995] rename(NULL, NULL [pid 5845] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5995] <... rename resumed>) = -1 EFAULT (Bad address) [pid 5845] umount2("./27/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5995] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5845] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5995] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5845] openat(AT_FDCWD, "./27/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5996] <... chdir resumed>) = 0 [pid 5995] exit_group(0 [pid 5845] <... openat resumed>) = 4 [pid 5996] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5995] <... exit_group resumed>) = ? [pid 5845] newfstatat(4, "", [pid 5996] <... prctl resumed>) = 0 [pid 5996] setpgid(0, 0) = 0 [pid 5845] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5996] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5845] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5845] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5996] <... openat resumed>) = 3 [pid 5845] close(4) = 0 [pid 5845] rmdir("./27/bus" [pid 5996] write(3, "1000", 4 [pid 5995] +++ exited with 0 +++ [pid 5845] <... rmdir resumed>) = 0 [pid 5996] <... write resumed>) = 4 [pid 5996] close(3 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5995, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 5996] <... close resumed>) = 0 [pid 5996] symlink("/dev/binderfs", "./binderfs" [pid 5845] getdents64(3, [pid 5842] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5842] umount2("./27", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5996] <... symlink resumed>) = 0 [pid 5845] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5842] openat(AT_FDCWD, "./27", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5845] close(3) = 0 [pid 5842] <... openat resumed>) = 3 [pid 5845] rmdir("./27" [pid 5842] newfstatat(3, "", executing program [pid 5996] write(1, "executing program\n", 18 [pid 5845] <... rmdir resumed>) = 0 [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5996] <... write resumed>) = 18 [pid 5845] mkdir("./28", 0777 [pid 5842] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5845] <... mkdir resumed>) = 0 [pid 5842] umount2("./27/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./27/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] unlink("./27/binderfs") = 0 [pid 5996] memfd_create("syzkaller", 0 [pid 5845] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5842] umount2("./27/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5996] <... memfd_create resumed>) = 3 [pid 5845] <... openat resumed>) = 3 [pid 5842] <... umount2 resumed>) = 0 [pid 5845] ioctl(3, LOOP_CLR_FD [pid 5996] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5845] <... ioctl resumed>) = 0 [pid 5996] <... mmap resumed>) = 0x7f8e0a400000 [pid 5845] close(3 [pid 5842] umount2("./27/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./27/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] umount2("./27/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] openat(AT_FDCWD, "./27/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5842] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5842] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5842] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5842] close(4) = 0 [pid 5842] rmdir("./27/bus") = 0 [pid 5842] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5842] close(3) = 0 [pid 5842] rmdir("./27") = 0 [pid 5845] <... close resumed>) = 0 [pid 5842] mkdir("./28", 0777) = 0 [pid 5842] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5842] ioctl(3, LOOP_CLR_FD) = 0 [pid 5842] close(3 [pid 5996] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5845] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5997 attached , child_tidptr=0x55557f708650) = 5997 [pid 5997] set_robust_list(0x55557f708660, 24) = 0 [pid 5997] chdir("./28") = 0 [pid 5842] <... close resumed>) = 0 [pid 5997] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5997] <... prctl resumed>) = 0 [pid 5997] setpgid(0, 0) = 0 [pid 5997] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5842] <... clone resumed>, child_tidptr=0x55557f708650) = 5998 [pid 5997] write(3, "1000", 4) = 4 [pid 5997] close(3./strace-static-x86_64: Process 5998 attached ) = 0 [pid 5997] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5997] write(1, "executing program\n", 18executing program [pid 5998] set_robust_list(0x55557f708660, 24 [pid 5997] <... write resumed>) = 18 [pid 5998] <... set_robust_list resumed>) = 0 [pid 5997] memfd_create("syzkaller", 0 [pid 5998] chdir("./28") = 0 [pid 5997] <... memfd_create resumed>) = 3 [pid 5996] <... write resumed>) = 2097152 [pid 5998] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5997] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5996] munmap(0x7f8e0a400000, 138412032 [pid 5998] <... prctl resumed>) = 0 [pid 5998] setpgid(0, 0 [pid 5997] <... mmap resumed>) = 0x7f8e0a400000 [pid 5998] <... setpgid resumed>) = 0 [pid 5998] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5998] write(3, "1000", 4) = 4 [pid 5998] close(3) = 0 [pid 5998] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5992] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5998] write(1, "executing program\n", 18 [pid 5996] <... munmap resumed>) = 0 [pid 5998] <... write resumed>) = 18 [pid 5992] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5992] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 5992] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5998] memfd_create("syzkaller", 0 [pid 5992] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5992] exit_group(0) = ? [pid 5998] <... memfd_create resumed>) = 3 [pid 5997] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5996] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5992] +++ exited with 0 +++ [pid 5998] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5996] <... openat resumed>) = 4 [pid 5843] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5992, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=24 /* 0.24 s */} --- [pid 5998] <... mmap resumed>) = 0x7f8e0a400000 [pid 5996] ioctl(4, LOOP_SET_FD, 3 [pid 5843] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5843] umount2("./25", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5996] <... ioctl resumed>) = 0 [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5996] close(3 [pid 5843] openat(AT_FDCWD, "./25", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5996] <... close resumed>) = 0 [pid 5843] <... openat resumed>) = 3 [pid 5996] close(4 [pid 5843] newfstatat(3, "", [pid 5996] <... close resumed>) = 0 [pid 5843] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5996] mkdir("./bus", 0777 [pid 5843] getdents64(3, [pid 5996] <... mkdir resumed>) = 0 [pid 5843] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5996] mount("/dev/loop2", "./bus", "ntfs3", 0, "" [pid 5843] umount2("./25/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5994] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] newfstatat(AT_FDCWD, "./25/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5998] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5994] sched_setaffinity(0, 0, NULL [pid 5843] unlink("./25/binderfs" [pid 5994] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5994] rename(NULL, NULL [pid 5843] <... unlink resumed>) = 0 [pid 5997] <... write resumed>) = 2097152 [pid 5994] <... rename resumed>) = -1 EFAULT (Bad address) [pid 5843] umount2("./25/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5994] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 5994] exit_group(0 [pid 5843] <... umount2 resumed>) = 0 [pid 5994] <... exit_group resumed>) = ? [pid 5994] +++ exited with 0 +++ [pid 5997] munmap(0x7f8e0a400000, 138412032 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5994, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=18 /* 0.18 s */} --- [pid 5997] <... munmap resumed>) = 0 [pid 5846] restart_syscall(<... resuming interrupted clone ...> [pid 5843] umount2("./25/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5846] <... restart_syscall resumed>) = 0 [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] newfstatat(AT_FDCWD, "./25/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 122.267516][ T5996] loop2: detected capacity change from 0 to 4096 [pid 5843] umount2("./25/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5846] umount2("./28", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5846] openat(AT_FDCWD, "./28", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5997] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5846] newfstatat(3, "", [pid 5843] openat(AT_FDCWD, "./25/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5846] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5997] <... openat resumed>) = 4 [pid 5846] getdents64(3, [pid 5843] <... openat resumed>) = 4 [pid 5997] ioctl(4, LOOP_SET_FD, 3 [pid 5846] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5843] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5843] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5843] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5843] close(4) = 0 [pid 5843] rmdir("./25/bus") = 0 [pid 5843] getdents64(3, [pid 5998] <... write resumed>) = 2097152 [pid 5997] <... ioctl resumed>) = 0 [pid 5846] umount2("./28/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5998] munmap(0x7f8e0a400000, 138412032 [pid 5846] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5997] close(3 [pid 5846] newfstatat(AT_FDCWD, "./28/binderfs", [pid 5997] <... close resumed>) = 0 [pid 5998] <... munmap resumed>) = 0 [pid 5997] close(4 [pid 5846] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] close(3 [pid 5997] <... close resumed>) = 0 [pid 5846] unlink("./28/binderfs" [pid 5843] <... close resumed>) = 0 [pid 5843] rmdir("./25" [pid 5997] mkdir("./bus", 0777 [pid 5846] <... unlink resumed>) = 0 [pid 5843] <... rmdir resumed>) = 0 [pid 5843] mkdir("./26", 0777) = 0 [pid 5843] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5843] ioctl(3, LOOP_CLR_FD [pid 5997] <... mkdir resumed>) = 0 [pid 5846] umount2("./28/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5843] <... ioctl resumed>) = 0 [pid 5996] <... mount resumed>) = 0 [pid 5843] close(3 [pid 5997] mount("/dev/loop3", "./bus", "ntfs3", 0, "" [pid 5998] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5996] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5846] <... umount2 resumed>) = 0 [pid 5996] <... openat resumed>) = 3 [pid 5998] <... openat resumed>) = 4 [pid 5996] chdir("./bus" [ 122.329869][ T5997] loop3: detected capacity change from 0 to 4096 [pid 5846] umount2("./28/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5998] ioctl(4, LOOP_SET_FD, 3 [pid 5996] <... chdir resumed>) = 0 [pid 5846] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5996] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5846] newfstatat(AT_FDCWD, "./28/bus", [pid 5996] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5846] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5996] sched_setaffinity(0, 0, NULL [pid 5846] umount2("./28/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5996] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5846] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5996] sched_setscheduler(0, SCHED_RR, NULL [pid 5846] openat(AT_FDCWD, "./28/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5996] <... sched_setscheduler resumed>) = -1 EINVAL (Invalid argument) [pid 5996] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5846] <... openat resumed>) = 4 [pid 5996] <... openat resumed>) = 4 [pid 5846] newfstatat(4, "", [pid 5843] <... close resumed>) = 0 [pid 5996] read(4, [pid 5846] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5846] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5846] getdents64(4, [pid 5843] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5998] <... ioctl resumed>) = 0 [pid 5846] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5846] close(4 [pid 5998] close(3 [pid 5846] <... close resumed>) = 0 [pid 5843] <... clone resumed>, child_tidptr=0x55557f708650) = 6000 [pid 5998] <... close resumed>) = 0 [pid 5846] rmdir("./28/bus" [pid 5998] close(4./strace-static-x86_64: Process 6000 attached ) = 0 [pid 5846] <... rmdir resumed>) = 0 [pid 6000] set_robust_list(0x55557f708660, 24 [pid 5998] mkdir("./bus", 0777 [pid 5846] getdents64(3, [pid 6000] <... set_robust_list resumed>) = 0 [pid 6000] chdir("./26" [pid 5998] <... mkdir resumed>) = 0 [pid 5846] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 6000] <... chdir resumed>) = 0 [pid 5846] close(3 [pid 6000] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5846] <... close resumed>) = 0 [pid 5846] rmdir("./28" [pid 6000] <... prctl resumed>) = 0 [pid 6000] setpgid(0, 0 [pid 5998] mount("/dev/loop0", "./bus", "ntfs3", 0, "" [pid 5846] <... rmdir resumed>) = 0 [pid 6000] <... setpgid resumed>) = 0 [pid 6000] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6000] write(3, "1000", 4 [pid 5846] mkdir("./29", 0777 [pid 6000] <... write resumed>) = 4 [pid 6000] close(3 [pid 5846] <... mkdir resumed>) = 0 [pid 6000] <... close resumed>) = 0 [pid 5846] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6000] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5846] <... openat resumed>) = 3 [pid 5846] ioctl(3, LOOP_CLR_FD) = 0 executing program [pid 6000] write(1, "executing program\n", 18 [pid 5846] close(3 [pid 6000] <... write resumed>) = 18 [ 122.384906][ T5998] loop0: detected capacity change from 0 to 4096 [pid 6000] memfd_create("syzkaller", 0 [pid 5997] <... mount resumed>) = 0 [pid 6000] <... memfd_create resumed>) = 3 [pid 6000] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 [pid 5997] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5997] chdir("./bus") = 0 [pid 5997] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5997] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 6000] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5997] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5997] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 5997] read(4, [pid 5846] <... close resumed>) = 0 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6001 attached [pid 6001] set_robust_list(0x55557f708660, 24) = 0 [pid 5846] <... clone resumed>, child_tidptr=0x55557f708650) = 6001 [pid 6001] chdir("./29") = 0 [pid 6001] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6001] setpgid(0, 0) = 0 [pid 6001] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6001] write(3, "1000", 4) = 4 [pid 6001] close(3) = 0 [pid 6001] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6001] write(1, "executing program\n", 18) = 18 [pid 6001] memfd_create("syzkaller", 0) = 3 [pid 6001] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 [pid 6000] <... write resumed>) = 2097152 [pid 5998] <... mount resumed>) = 0 [pid 6000] munmap(0x7f8e0a400000, 138412032) = 0 [pid 5998] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5998] chdir("./bus") = 0 [pid 5998] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6000] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5998] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6000] <... openat resumed>) = 4 [pid 5998] sched_setaffinity(0, 0, NULL [pid 6000] ioctl(4, LOOP_SET_FD, 3 [pid 5998] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5998] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5998] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 5998] read(4, [pid 6000] <... ioctl resumed>) = 0 [pid 6000] close(3) = 0 [pid 6000] close(4 [pid 6001] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6000] <... close resumed>) = 0 [pid 6000] mkdir("./bus", 0777) = 0 [ 122.612932][ T6000] loop1: detected capacity change from 0 to 4096 [pid 6000] mount("/dev/loop1", "./bus", "ntfs3", 0, "" [pid 5996] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5996] sched_setaffinity(0, 0, NULL [pid 6000] <... mount resumed>) = 0 [pid 6000] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6000] chdir("./bus") = 0 [pid 6000] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5996] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5996] rename(NULL, NULL [pid 6000] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5996] <... rename resumed>) = -1 EFAULT (Bad address) [pid 5996] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 6000] sched_setaffinity(0, 0, NULL [pid 5996] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6000] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 6000] sched_setscheduler(0, SCHED_RR, NULL [pid 5996] exit_group(0 [pid 6000] <... sched_setscheduler resumed>) = -1 EINVAL (Invalid argument) [pid 6000] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5996] <... exit_group resumed>) = ? [pid 6000] <... openat resumed>) = 4 [pid 6000] read(4, [pid 5996] +++ exited with 0 +++ [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5996, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=17 /* 0.17 s */} --- [pid 5844] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5844] umount2("./29", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] openat(AT_FDCWD, "./29", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5844] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6001] <... write resumed>) = 2097152 [pid 5844] getdents64(3, [pid 6001] munmap(0x7f8e0a400000, 138412032 [pid 5844] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5844] umount2("./29/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] newfstatat(AT_FDCWD, "./29/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] unlink("./29/binderfs") = 0 [pid 5844] umount2("./29/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 6001] <... munmap resumed>) = 0 [pid 5844] umount2("./29/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] newfstatat(AT_FDCWD, "./29/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6001] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5844] umount2("./29/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6001] <... openat resumed>) = 4 [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6001] ioctl(4, LOOP_SET_FD, 3 [pid 5844] openat(AT_FDCWD, "./29/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6001] <... ioctl resumed>) = 0 [pid 5844] <... openat resumed>) = 4 [pid 5844] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5844] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5844] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5844] close(4) = 0 [pid 5844] rmdir("./29/bus" [pid 6001] close(3 [pid 5844] <... rmdir resumed>) = 0 [pid 6001] <... close resumed>) = 0 [pid 6001] close(4) = 0 [pid 6001] mkdir("./bus", 0777) = 0 [pid 5844] getdents64(3, [pid 6001] mount("/dev/loop4", "./bus", "ntfs3", 0, "" [pid 5844] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5844] close(3) = 0 [ 122.838786][ T6001] loop4: detected capacity change from 0 to 4096 [pid 5844] rmdir("./29") = 0 [pid 5844] mkdir("./30", 0777) = 0 [pid 5844] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5844] ioctl(3, LOOP_CLR_FD) = 0 [pid 5844] close(3 [pid 5998] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5998] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5844] <... close resumed>) = 0 [pid 5998] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 5998] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 5998] exit_group(0) = ? [pid 5998] +++ exited with 0 +++ [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5998, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5842] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 6003 attached ) = 0 [pid 5842] umount2("./28", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] openat(AT_FDCWD, "./28", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5842] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5842] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5842] umount2("./28/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./28/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6003] set_robust_list(0x55557f708660, 24 [pid 5844] <... clone resumed>, child_tidptr=0x55557f708650) = 6003 [pid 5842] unlink("./28/binderfs" [pid 6003] <... set_robust_list resumed>) = 0 [pid 6003] chdir("./30" [pid 5842] <... unlink resumed>) = 0 [pid 6003] <... chdir resumed>) = 0 [pid 5842] umount2("./28/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6003] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6003] setpgid(0, 0) = 0 [pid 5842] <... umount2 resumed>) = 0 [pid 6003] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6003] write(3, "1000", 4) = 4 [pid 6003] close(3 [pid 5842] umount2("./28/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6001] <... mount resumed>) = 0 [pid 5842] newfstatat(AT_FDCWD, "./28/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] umount2("./28/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] openat(AT_FDCWD, "./28/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6001] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5842] <... openat resumed>) = 4 [pid 6003] <... close resumed>) = 0 [pid 6001] <... openat resumed>) = 3 [pid 5842] newfstatat(4, "", [pid 6003] symlink("/dev/binderfs", "./binderfs" [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6001] chdir("./bus") = 0 [pid 5842] getdents64(4, [pid 6001] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5842] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 6001] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6001] sched_setaffinity(0, 0, NULLexecuting program [pid 6003] <... symlink resumed>) = 0 [pid 5842] getdents64(4, [pid 6003] write(1, "executing program\n", 18) = 18 [pid 6001] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5842] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 6001] sched_setscheduler(0, SCHED_RR, NULL [pid 5842] close(4 [pid 6001] <... sched_setscheduler resumed>) = -1 EINVAL (Invalid argument) [pid 5842] <... close resumed>) = 0 [pid 6001] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5842] rmdir("./28/bus" [pid 6003] memfd_create("syzkaller", 0 [pid 6001] <... openat resumed>) = 4 [pid 5842] <... rmdir resumed>) = 0 [pid 6003] <... memfd_create resumed>) = 3 [pid 6001] read(4, [pid 6003] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 [pid 5842] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5842] close(3) = 0 [pid 5842] rmdir("./28") = 0 [pid 5842] mkdir("./29", 0777) = 0 [pid 5842] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5842] ioctl(3, LOOP_CLR_FD) = 0 [pid 5842] close(3) = 0 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6004 attached [pid 6004] set_robust_list(0x55557f708660, 24) = 0 [pid 5842] <... clone resumed>, child_tidptr=0x55557f708650) = 6004 [pid 6004] chdir("./29") = 0 [pid 6004] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6004] setpgid(0, 0) = 0 [pid 6004] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6004] write(3, "1000", 4) = 4 [pid 6004] close(3) = 0 [pid 6004] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6004] write(1, "executing program\n", 18) = 18 [pid 6004] memfd_create("syzkaller", 0) = 3 [pid 6004] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 [pid 6003] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6004] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6003] <... write resumed>) = 2097152 [pid 5997] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 6000] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 6003] munmap(0x7f8e0a400000, 138412032) = 0 [pid 6000] sched_setaffinity(0, 0, NULL [pid 5997] sched_setaffinity(0, 0, NULL [pid 6000] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 6000] rename(NULL, NULL [pid 5997] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 6000] <... rename resumed>) = -1 EFAULT (Bad address) [pid 5997] rename(NULL, NULL [pid 6000] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 5997] <... rename resumed>) = -1 EFAULT (Bad address) [pid 6000] exit_group(0 [pid 5997] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 6000] <... exit_group resumed>) = ? [pid 5997] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5997] exit_group(0) = ? [pid 6000] +++ exited with 0 +++ [pid 6004] <... write resumed>) = 2097152 [pid 6003] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5843] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6000, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [pid 6004] munmap(0x7f8e0a400000, 138412032 [pid 6003] <... openat resumed>) = 4 [pid 5997] +++ exited with 0 +++ [pid 5843] restart_syscall(<... resuming interrupted clone ...> [pid 5845] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5997, si_uid=0, si_status=0, si_utime=0, si_stime=28 /* 0.28 s */} --- [pid 6003] ioctl(4, LOOP_SET_FD, 3 [pid 6004] <... munmap resumed>) = 0 [pid 5845] restart_syscall(<... resuming interrupted clone ...> [pid 5843] <... restart_syscall resumed>) = 0 [pid 5845] <... restart_syscall resumed>) = 0 [pid 6004] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6003] <... ioctl resumed>) = 0 [pid 5845] umount2("./28", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5843] umount2("./26", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6003] close(3 [pid 5845] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6003] <... close resumed>) = 0 [pid 5845] openat(AT_FDCWD, "./28", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5843] openat(AT_FDCWD, "./26", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6003] close(4 [pid 5843] <... openat resumed>) = 3 [pid 6004] <... openat resumed>) = 4 [pid 6004] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5843] newfstatat(3, "", [pid 6003] <... close resumed>) = 0 [pid 5845] <... openat resumed>) = 3 [pid 6003] mkdir("./bus", 0777 [pid 5845] newfstatat(3, "", [pid 5843] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5845] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6004] close(3) = 0 [pid 6003] <... mkdir resumed>) = 0 [pid 5845] getdents64(3, [pid 6004] close(4 [pid 5843] getdents64(3, [pid 6004] <... close resumed>) = 0 [pid 6003] mount("/dev/loop2", "./bus", "ntfs3", 0, "" [pid 5845] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 6004] mkdir("./bus", 0777 [pid 5843] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 6004] <... mkdir resumed>) = 0 [pid 5845] umount2("./28/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6004] mount("/dev/loop0", "./bus", "ntfs3", 0, "" [pid 5843] umount2("./26/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5845] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5845] newfstatat(AT_FDCWD, "./28/binderfs", [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5845] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5845] unlink("./28/binderfs" [pid 5843] newfstatat(AT_FDCWD, "./26/binderfs", [pid 5845] <... unlink resumed>) = 0 [pid 5845] umount2("./28/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5843] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] unlink("./26/binderfs") = 0 [pid 5843] umount2("./26/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5845] <... umount2 resumed>) = 0 [pid 5845] umount2("./28/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 123.327426][ T6003] loop2: detected capacity change from 0 to 4096 [ 123.339940][ T6004] loop0: detected capacity change from 0 to 4096 [pid 5845] newfstatat(AT_FDCWD, "./28/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5845] umount2("./28/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5843] <... umount2 resumed>) = 0 [pid 6001] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5845] openat(AT_FDCWD, "./28/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5843] umount2("./26/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6003] <... mount resumed>) = 0 [pid 5845] <... openat resumed>) = 4 [pid 5845] newfstatat(4, "", [pid 6003] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5845] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6001] sched_setaffinity(0, 0, NULL [pid 5845] getdents64(4, [pid 6003] chdir("./bus" [pid 6001] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5843] newfstatat(AT_FDCWD, "./26/bus", [pid 6003] <... chdir resumed>) = 0 [pid 6001] rename(NULL, NULL [pid 5845] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5843] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6003] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6001] <... rename resumed>) = -1 EFAULT (Bad address) [pid 5845] getdents64(4, [pid 6003] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6001] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5845] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5843] umount2("./26/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6004] <... mount resumed>) = 0 [pid 6003] sched_setaffinity(0, 0, NULL [pid 6001] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5845] close(4 [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6004] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6003] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5845] <... close resumed>) = 0 [pid 5843] openat(AT_FDCWD, "./26/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6004] chdir("./bus" [pid 6003] sched_setscheduler(0, SCHED_RR, NULL [pid 5845] rmdir("./28/bus" [pid 6004] <... chdir resumed>) = 0 [pid 6003] <... sched_setscheduler resumed>) = -1 EINVAL (Invalid argument) [pid 5843] <... openat resumed>) = 4 [pid 6004] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6003] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5845] <... rmdir resumed>) = 0 [pid 5843] newfstatat(4, "", [pid 6004] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 6003] <... openat resumed>) = 4 [pid 6001] exit_group(0 [pid 5845] getdents64(3, [pid 5843] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6004] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 6004] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6001] <... exit_group resumed>) = ? [pid 5843] getdents64(4, [pid 6004] <... openat resumed>) = 4 [pid 5845] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 6004] read(4, [pid 6003] read(4, [pid 5843] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5845] close(3 [pid 5843] getdents64(4, [pid 5845] <... close resumed>) = 0 [pid 5843] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5845] rmdir("./28" [pid 5843] close(4) = 0 [pid 5845] <... rmdir resumed>) = 0 [pid 5843] rmdir("./26/bus" [pid 6001] +++ exited with 0 +++ [pid 5845] mkdir("./29", 0777 [pid 5843] <... rmdir resumed>) = 0 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6001, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=16 /* 0.16 s */} --- [pid 5843] getdents64(3, [pid 5846] restart_syscall(<... resuming interrupted clone ...> [pid 5845] <... mkdir resumed>) = 0 [pid 5843] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5843] close(3 [pid 5846] <... restart_syscall resumed>) = 0 [pid 5845] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5843] <... close resumed>) = 0 [pid 5845] <... openat resumed>) = 3 [pid 5843] rmdir("./26" [pid 5846] umount2("./29", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5843] <... rmdir resumed>) = 0 [pid 5846] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5846] openat(AT_FDCWD, "./29", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5845] ioctl(3, LOOP_CLR_FD [pid 5843] mkdir("./27", 0777 [pid 5846] <... openat resumed>) = 3 [pid 5845] <... ioctl resumed>) = 0 [pid 5846] newfstatat(3, "", [pid 5845] close(3 [pid 5843] <... mkdir resumed>) = 0 [pid 5846] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5846] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5843] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5846] umount2("./29/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5843] <... openat resumed>) = 3 [pid 5846] newfstatat(AT_FDCWD, "./29/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] ioctl(3, LOOP_CLR_FD) = 0 [pid 5846] unlink("./29/binderfs" [pid 5843] close(3 [pid 5846] <... unlink resumed>) = 0 [pid 5843] <... close resumed>) = 0 [pid 5846] umount2("./29/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5845] <... close resumed>) = 0 [pid 5845] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5846] <... umount2 resumed>) = 0 [pid 5843] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5846] umount2("./29/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5845] <... clone resumed>, child_tidptr=0x55557f708650) = 6005 ./strace-static-x86_64: Process 6006 attached ./strace-static-x86_64: Process 6005 attached [pid 5846] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6006] set_robust_list(0x55557f708660, 24 [pid 6005] set_robust_list(0x55557f708660, 24 [pid 5846] newfstatat(AT_FDCWD, "./29/bus", [pid 5843] <... clone resumed>, child_tidptr=0x55557f708650) = 6006 [pid 5846] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6006] <... set_robust_list resumed>) = 0 [pid 6005] <... set_robust_list resumed>) = 0 [pid 5846] umount2("./29/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6006] chdir("./27" [pid 5846] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6006] <... chdir resumed>) = 0 [pid 6005] chdir("./29" [pid 5846] openat(AT_FDCWD, "./29/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5846] newfstatat(4, "", [pid 6005] <... chdir resumed>) = 0 [pid 5846] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6005] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5846] getdents64(4, [pid 6005] <... prctl resumed>) = 0 [pid 5846] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 6006] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6005] setpgid(0, 0 [pid 5846] getdents64(4, [pid 6006] <... prctl resumed>) = 0 [pid 6005] <... setpgid resumed>) = 0 [pid 6006] setpgid(0, 0 [pid 6005] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5846] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 6006] <... setpgid resumed>) = 0 [pid 6005] <... openat resumed>) = 3 [pid 6006] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6005] write(3, "1000", 4 [pid 5846] close(4 [pid 6006] <... openat resumed>) = 3 [pid 6005] <... write resumed>) = 4 [pid 5846] <... close resumed>) = 0 [pid 6006] write(3, "1000", 4 [pid 6005] close(3 [pid 5846] rmdir("./29/bus" [pid 6006] <... write resumed>) = 4 [pid 6005] <... close resumed>) = 0 [pid 5846] <... rmdir resumed>) = 0 [pid 6005] symlink("/dev/binderfs", "./binderfs" [pid 6006] close(3 [pid 5846] getdents64(3, [pid 6005] <... symlink resumed>) = 0 [pid 6006] <... close resumed>) = 0 [pid 5846] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 6005] write(1, "executing program\n", 18 [pid 6006] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6006] write(1, "executing program\n", 18 [pid 6005] <... write resumed>) = 18 executing program [pid 6006] <... write resumed>) = 18 [pid 6005] memfd_create("syzkaller", 0 [pid 5846] close(3 [pid 6006] memfd_create("syzkaller", 0 [pid 6005] <... memfd_create resumed>) = 3 [pid 5846] <... close resumed>) = 0 [pid 5846] rmdir("./29" [pid 6005] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6006] <... memfd_create resumed>) = 3 [pid 6005] <... mmap resumed>) = 0x7f8e0a400000 [pid 6006] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5846] <... rmdir resumed>) = 0 [pid 6006] <... mmap resumed>) = 0x7f8e0a400000 [pid 5846] mkdir("./30", 0777) = 0 [pid 5846] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5846] ioctl(3, LOOP_CLR_FD) = 0 [pid 5846] close(3) = 0 [pid 6005] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6006] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6003] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 6003] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 6003] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 6003] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 6003] exit_group(0) = ? ./strace-static-x86_64: Process 6007 attached [pid 6003] +++ exited with 0 +++ [pid 6007] set_robust_list(0x55557f708660, 24 [pid 5846] <... clone resumed>, child_tidptr=0x55557f708650) = 6007 [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6003, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=10 /* 0.10 s */} --- [pid 6007] <... set_robust_list resumed>) = 0 [pid 5844] restart_syscall(<... resuming interrupted clone ...> [pid 6007] chdir("./30") = 0 [pid 6007] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5844] <... restart_syscall resumed>) = 0 [pid 6007] setpgid(0, 0) = 0 [pid 6004] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 6007] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5844] umount2("./30", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] openat(AT_FDCWD, "./30", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6007] <... openat resumed>) = 3 [pid 6007] write(3, "1000", 4 [pid 6004] sched_setaffinity(0, 0, NULL [pid 5844] <... openat resumed>) = 3 [pid 6007] <... write resumed>) = 4 [pid 6004] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5844] newfstatat(3, "", [pid 6007] close(3 [pid 6004] rename(NULL, NULL [pid 6007] <... close resumed>) = 0 [pid 6004] <... rename resumed>) = -1 EFAULT (Bad address) [pid 5844] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6007] symlink("/dev/binderfs", "./binderfs" [pid 6004] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 5844] getdents64(3, [pid 6007] <... symlink resumed>) = 0 [pid 6004] exit_group(0executing program [pid 6007] write(1, "executing program\n", 18 [pid 6004] <... exit_group resumed>) = ? [pid 5844] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 6007] <... write resumed>) = 18 [pid 6007] memfd_create("syzkaller", 0 [pid 5844] umount2("./30/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6007] <... memfd_create resumed>) = 3 [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6007] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5844] newfstatat(AT_FDCWD, "./30/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6007] <... mmap resumed>) = 0x7f8e0a400000 [pid 6004] +++ exited with 0 +++ [pid 5844] unlink("./30/binderfs") = 0 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6004, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 5842] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5844] umount2("./30/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] umount2("./29", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6005] <... write resumed>) = 2097152 [pid 6006] <... write resumed>) = 2097152 [pid 5844] <... umount2 resumed>) = 0 [pid 5842] openat(AT_FDCWD, "./29", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5842] newfstatat(3, "", [pid 5844] umount2("./30/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5844] newfstatat(AT_FDCWD, "./30/bus", [pid 6005] munmap(0x7f8e0a400000, 138412032 [pid 6006] munmap(0x7f8e0a400000, 138412032 [pid 5844] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] getdents64(3, [pid 5844] umount2("./30/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5844] openat(AT_FDCWD, "./30/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5842] umount2("./29/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6005] <... munmap resumed>) = 0 [pid 5844] <... openat resumed>) = 4 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6007] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6006] <... munmap resumed>) = 0 [pid 5844] newfstatat(4, "", [pid 5842] newfstatat(AT_FDCWD, "./29/binderfs", [pid 5844] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6006] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5844] getdents64(4, [pid 6005] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5842] unlink("./29/binderfs" [pid 6005] <... openat resumed>) = 4 [pid 5844] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 6005] ioctl(4, LOOP_SET_FD, 3 [pid 6007] <... write resumed>) = 2097152 [pid 6006] <... openat resumed>) = 4 [pid 5844] getdents64(4, [pid 5842] <... unlink resumed>) = 0 [pid 6005] <... ioctl resumed>) = 0 [pid 5842] umount2("./29/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6007] munmap(0x7f8e0a400000, 138412032 [pid 6006] ioctl(4, LOOP_SET_FD, 3 [pid 6005] close(3 [pid 5844] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 6006] <... ioctl resumed>) = 0 [pid 6005] <... close resumed>) = 0 [pid 5844] close(4 [pid 5842] <... umount2 resumed>) = 0 [pid 6005] close(4 [pid 6006] close(3 [pid 5844] <... close resumed>) = 0 [pid 6007] <... munmap resumed>) = 0 [pid 6005] <... close resumed>) = 0 [pid 5844] rmdir("./30/bus" [pid 5842] umount2("./29/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6005] mkdir("./bus", 0777 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6007] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6006] <... close resumed>) = 0 [pid 6007] <... openat resumed>) = 4 [pid 6006] close(4 [pid 6007] ioctl(4, LOOP_SET_FD, 3 [pid 6006] <... close resumed>) = 0 [pid 6007] <... ioctl resumed>) = 0 [pid 6006] mkdir("./bus", 0777 [pid 6005] <... mkdir resumed>) = 0 [pid 5844] <... rmdir resumed>) = 0 [pid 5842] newfstatat(AT_FDCWD, "./29/bus", [pid 6005] mount("/dev/loop3", "./bus", "ntfs3", 0, "" [pid 5844] getdents64(3, [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6006] <... mkdir resumed>) = 0 [pid 5844] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5842] umount2("./29/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5844] close(3 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5844] <... close resumed>) = 0 [pid 6006] mount("/dev/loop1", "./bus", "ntfs3", 0, "" [pid 5844] rmdir("./30" [pid 5842] openat(AT_FDCWD, "./29/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5844] <... rmdir resumed>) = 0 [pid 5844] mkdir("./31", 0777 [pid 5842] <... openat resumed>) = 4 [pid 5842] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5844] <... mkdir resumed>) = 0 [pid 5842] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5844] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5842] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5844] <... openat resumed>) = 3 [pid 5842] close(4 [pid 5844] ioctl(3, LOOP_CLR_FD) = 0 [pid 5842] <... close resumed>) = 0 [pid 5844] close(3 [pid 5842] rmdir("./29/bus") = 0 [pid 5842] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5842] close(3) = 0 [pid 5842] rmdir("./29") = 0 [pid 6007] close(3 [ 123.807940][ T6005] loop3: detected capacity change from 0 to 4096 [ 123.818069][ T6006] loop1: detected capacity change from 0 to 4096 [ 123.838928][ T6007] loop4: detected capacity change from 0 to 4096 [pid 5842] mkdir("./30", 0777 [pid 6007] <... close resumed>) = 0 [pid 6005] <... mount resumed>) = 0 [pid 5842] <... mkdir resumed>) = 0 [pid 6007] close(4) = 0 [pid 5842] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6007] mkdir("./bus", 0777) = 0 [pid 6005] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5842] <... openat resumed>) = 3 [pid 6007] mount("/dev/loop4", "./bus", "ntfs3", 0, "" [pid 5842] ioctl(3, LOOP_CLR_FD [pid 6005] <... openat resumed>) = 3 [pid 5842] <... ioctl resumed>) = 0 [pid 6005] chdir("./bus" [pid 5844] <... close resumed>) = 0 [pid 5842] close(3 [pid 6005] <... chdir resumed>) = 0 [pid 6005] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6008 attached [pid 6005] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6005] sched_setaffinity(0, 0, NULL [pid 5844] <... clone resumed>, child_tidptr=0x55557f708650) = 6008 [pid 6005] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 6005] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 6008] set_robust_list(0x55557f708660, 24 [pid 6005] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6008] <... set_robust_list resumed>) = 0 [pid 6005] <... openat resumed>) = 4 [pid 6005] read(4, [pid 6008] chdir("./31") = 0 [pid 6008] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6006] <... mount resumed>) = 0 [pid 5842] <... close resumed>) = 0 [pid 6008] <... prctl resumed>) = 0 [pid 6008] setpgid(0, 0) = 0 [pid 6007] <... mount resumed>) = 0 [pid 6006] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6008] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6007] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6006] <... openat resumed>) = 3 [pid 6008] <... openat resumed>) = 3 [pid 6007] <... openat resumed>) = 3 [pid 6006] chdir("./bus" [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6009 attached [pid 6008] write(3, "1000", 4 [pid 6006] <... chdir resumed>) = 0 [pid 6007] chdir("./bus" [pid 6008] <... write resumed>) = 4 [pid 6008] close(3) = 0 [pid 6008] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5842] <... clone resumed>, child_tidptr=0x55557f708650) = 6009 [pid 6009] set_robust_list(0x55557f708660, 24 [pid 6008] write(1, "executing program\n", 18 [pid 6007] <... chdir resumed>) = 0 [pid 6006] openat(AT_FDCWD, "/dev/loop1", O_RDWRexecuting program [pid 6008] <... write resumed>) = 18 [pid 6009] <... set_robust_list resumed>) = 0 [pid 6008] memfd_create("syzkaller", 0 [pid 6007] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6006] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6009] chdir("./30" [pid 6007] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6006] sched_setaffinity(0, 0, NULL [pid 6009] <... chdir resumed>) = 0 [pid 6007] sched_setaffinity(0, 0, NULL [pid 6006] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 6009] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6007] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 6006] sched_setscheduler(0, SCHED_RR, NULL [pid 6009] <... prctl resumed>) = 0 [pid 6007] sched_setscheduler(0, SCHED_RR, NULL [pid 6006] <... sched_setscheduler resumed>) = -1 EINVAL (Invalid argument) [pid 6009] setpgid(0, 0 [pid 6007] <... sched_setscheduler resumed>) = -1 EINVAL (Invalid argument) [pid 6006] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6009] <... setpgid resumed>) = 0 [pid 6008] <... memfd_create resumed>) = 3 [pid 6007] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6008] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6007] <... openat resumed>) = 4 [pid 6006] <... openat resumed>) = 4 [pid 6009] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6007] read(4, [pid 6006] read(4, [pid 6008] <... mmap resumed>) = 0x7f8e0a400000 [pid 6009] <... openat resumed>) = 3 [pid 6009] write(3, "1000", 4) = 4 [pid 6009] close(3) = 0 [pid 6009] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6009] write(1, "executing program\n", 18executing program ) = 18 [pid 6009] memfd_create("syzkaller", 0) = 3 [pid 6009] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 [pid 6008] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6009] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6008] <... write resumed>) = 2097152 [pid 6008] munmap(0x7f8e0a400000, 138412032) = 0 [pid 6008] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6009] <... write resumed>) = 2097152 [pid 6009] munmap(0x7f8e0a400000, 138412032 [pid 6008] <... openat resumed>) = 4 [pid 6008] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6009] <... munmap resumed>) = 0 [pid 6008] close(3) = 0 [pid 6009] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6008] close(4 [ 124.227538][ T6008] loop2: detected capacity change from 0 to 4096 [pid 6006] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 6009] <... openat resumed>) = 4 [pid 6008] <... close resumed>) = 0 [pid 6007] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 6008] mkdir("./bus", 0777 [pid 6009] ioctl(4, LOOP_SET_FD, 3 [pid 6007] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 6007] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 6007] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 6007] exit_group(0) = ? [pid 6009] <... ioctl resumed>) = 0 [pid 6006] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 6006] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 6006] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 6008] <... mkdir resumed>) = 0 [pid 6006] exit_group(0) = ? [pid 6008] mount("/dev/loop2", "./bus", "ntfs3", 0, "" [pid 6006] +++ exited with 0 +++ [pid 5843] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6006, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 5843] restart_syscall(<... resuming interrupted clone ...> [pid 6007] +++ exited with 0 +++ [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6007, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5846] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5846] umount2("./30", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5843] <... restart_syscall resumed>) = 0 [pid 5843] umount2("./27", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5843] openat(AT_FDCWD, "./27", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5843] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5843] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5843] umount2("./27/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5843] newfstatat(AT_FDCWD, "./27/binderfs", [pid 5846] openat(AT_FDCWD, "./30", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5843] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5846] <... openat resumed>) = 3 [pid 5843] unlink("./27/binderfs" [pid 5846] newfstatat(3, "", [pid 5843] <... unlink resumed>) = 0 [pid 5846] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5843] umount2("./27/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5846] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5846] umount2("./30/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5846] newfstatat(AT_FDCWD, "./30/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] <... umount2 resumed>) = 0 [pid 5846] unlink("./30/binderfs") = 0 [pid 5846] umount2("./30/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 6009] close(3) = 0 [ 124.267691][ T6009] loop0: detected capacity change from 0 to 4096 [pid 6009] close(4 [pid 5846] umount2("./30/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5843] umount2("./27/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6009] <... close resumed>) = 0 [pid 6009] mkdir("./bus", 0777 [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6005] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 6009] <... mkdir resumed>) = 0 [pid 5846] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] newfstatat(AT_FDCWD, "./27/bus", [pid 6009] mount("/dev/loop0", "./bus", "ntfs3", 0, "" [pid 5843] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] umount2("./27/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6005] sched_setaffinity(0, 0, NULL [pid 5846] newfstatat(AT_FDCWD, "./30/bus", [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6005] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5846] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] openat(AT_FDCWD, "./27/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6005] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 5846] umount2("./30/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5843] <... openat resumed>) = 4 [pid 6005] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5846] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] newfstatat(4, "", [pid 6005] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5846] openat(AT_FDCWD, "./30/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6005] exit_group(0 [pid 5846] <... openat resumed>) = 4 [pid 5843] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6005] <... exit_group resumed>) = ? [pid 5846] newfstatat(4, "", [pid 6005] +++ exited with 0 +++ [pid 5846] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5843] getdents64(4, [pid 6008] <... mount resumed>) = 0 [pid 5846] getdents64(4, [pid 6008] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5845] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6005, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=14 /* 0.14 s */} --- [pid 5843] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5845] restart_syscall(<... resuming interrupted clone ...> [pid 6008] <... openat resumed>) = 3 [pid 5846] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5845] <... restart_syscall resumed>) = 0 [pid 5843] getdents64(4, [pid 6008] chdir("./bus" [pid 5843] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5846] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5843] close(4 [pid 5845] umount2("./29", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5843] <... close resumed>) = 0 [pid 5845] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] rmdir("./27/bus" [pid 6008] <... chdir resumed>) = 0 [pid 5846] close(4) = 0 [pid 5846] rmdir("./30/bus") = 0 [pid 5845] openat(AT_FDCWD, "./29", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5843] <... rmdir resumed>) = 0 [pid 6008] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5845] <... openat resumed>) = 3 [pid 6008] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6008] sched_setaffinity(0, 0, NULL [pid 5846] getdents64(3, [pid 5845] newfstatat(3, "", [pid 5846] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5846] close(3 [pid 6008] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5846] <... close resumed>) = 0 [pid 5846] rmdir("./30" [pid 5845] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6008] sched_setscheduler(0, SCHED_RR, NULL [pid 5843] getdents64(3, [pid 6008] <... sched_setscheduler resumed>) = -1 EINVAL (Invalid argument) [pid 6008] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5846] <... rmdir resumed>) = 0 [pid 5845] getdents64(3, [pid 5843] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5846] mkdir("./31", 0777 [pid 6008] <... openat resumed>) = 4 [pid 5846] <... mkdir resumed>) = 0 [pid 5843] close(3 [pid 6008] read(4, [pid 5845] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5843] <... close resumed>) = 0 [pid 5843] rmdir("./27" [pid 5845] umount2("./29/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5846] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5845] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] <... rmdir resumed>) = 0 [pid 5846] ioctl(3, LOOP_CLR_FD [pid 5845] newfstatat(AT_FDCWD, "./29/binderfs", [pid 5846] <... ioctl resumed>) = 0 [pid 5843] mkdir("./28", 0777 [pid 5846] close(3 [pid 5845] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6009] <... mount resumed>) = 0 [pid 6009] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5845] unlink("./29/binderfs" [pid 6009] <... openat resumed>) = 3 [pid 5845] <... unlink resumed>) = 0 [pid 5843] <... mkdir resumed>) = 0 [pid 6009] chdir("./bus" [pid 5845] umount2("./29/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5843] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5843] ioctl(3, LOOP_CLR_FD [pid 6009] <... chdir resumed>) = 0 [pid 6009] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5843] <... ioctl resumed>) = 0 [pid 6009] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5843] close(3 [pid 6009] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 6009] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 6009] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 6009] read(4, [pid 5845] <... umount2 resumed>) = 0 [pid 5843] <... close resumed>) = 0 [pid 5845] umount2("./29/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5843] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5845] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5845] newfstatat(AT_FDCWD, "./29/bus", ./strace-static-x86_64: Process 6010 attached [pid 6010] set_robust_list(0x55557f708660, 24 [pid 5845] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] <... clone resumed>, child_tidptr=0x55557f708650) = 6010 [pid 6010] <... set_robust_list resumed>) = 0 [pid 6010] chdir("./28" [pid 5845] umount2("./29/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6010] <... chdir resumed>) = 0 [pid 5845] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6010] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5845] openat(AT_FDCWD, "./29/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6010] <... prctl resumed>) = 0 [pid 6010] setpgid(0, 0 [pid 5845] <... openat resumed>) = 4 [pid 6010] <... setpgid resumed>) = 0 [pid 5845] newfstatat(4, "", [pid 6010] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5845] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5845] getdents64(4, [pid 6010] <... openat resumed>) = 3 [pid 5846] <... close resumed>) = 0 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6010] write(3, "1000", 4 [pid 5845] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5846] <... clone resumed>, child_tidptr=0x55557f708650) = 6011 [pid 6010] <... write resumed>) = 4 ./strace-static-x86_64: Process 6011 attached [pid 6010] close(3 [pid 5845] getdents64(4, [pid 6011] set_robust_list(0x55557f708660, 24) = 0 [pid 6010] <... close resumed>) = 0 [pid 5845] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 6011] chdir("./31" [pid 6010] symlink("/dev/binderfs", "./binderfs" [pid 5845] close(4 [pid 6011] <... chdir resumed>) = 0 [pid 6011] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5845] <... close resumed>) = 0 [pid 6011] <... prctl resumed>) = 0 [pid 5845] rmdir("./29/bus") = 0 [pid 6011] setpgid(0, 0 [pid 6010] <... symlink resumed>) = 0 [pid 6011] <... setpgid resumed>) = 0 [pid 5845] getdents64(3, [pid 6011] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6010] write(1, "executing program\n", 18 [pid 5845] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 executing program [pid 6011] <... openat resumed>) = 3 [pid 6010] <... write resumed>) = 18 [pid 5845] close(3 [pid 6011] write(3, "1000", 4 [pid 5845] <... close resumed>) = 0 [pid 5845] rmdir("./29" [pid 6011] <... write resumed>) = 4 [pid 6010] memfd_create("syzkaller", 0 [pid 5845] <... rmdir resumed>) = 0 [pid 6011] close(3) = 0 [pid 6011] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6011] write(1, "executing program\n", 18 [pid 6010] <... memfd_create resumed>) = 3 [pid 5845] mkdir("./30", 0777 [pid 6011] <... write resumed>) = 18 [pid 6010] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6011] memfd_create("syzkaller", 0 [pid 6010] <... mmap resumed>) = 0x7f8e0a400000 [pid 5845] <... mkdir resumed>) = 0 [pid 6011] <... memfd_create resumed>) = 3 [pid 5845] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 6011] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5845] ioctl(3, LOOP_CLR_FD [pid 6011] <... mmap resumed>) = 0x7f8e0a400000 [pid 5845] <... ioctl resumed>) = 0 [pid 5845] close(3 [pid 6010] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6009] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 6009] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 6009] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 6009] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 6009] exit_group(0) = ? [pid 5845] <... close resumed>) = 0 [pid 6011] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6009] +++ exited with 0 +++ [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6009, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=17 /* 0.17 s */} --- [pid 5842] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5842] umount2("./30", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] openat(AT_FDCWD, "./30", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5842] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5842] getdents64(3, [pid 5845] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5842] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5842] umount2("./30/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./30/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 6012 attached [pid 5845] <... clone resumed>, child_tidptr=0x55557f708650) = 6012 [pid 5842] unlink("./30/binderfs") = 0 [pid 6012] set_robust_list(0x55557f708660, 24 [pid 5842] umount2("./30/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6012] <... set_robust_list resumed>) = 0 [pid 6012] chdir("./30") = 0 [pid 6012] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6012] setpgid(0, 0) = 0 [pid 6012] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6012] write(3, "1000", 4) = 4 [pid 6012] close(3) = 0 [pid 6012] symlink("/dev/binderfs", "./binderfs" [pid 5842] <... umount2 resumed>) = 0 executing program [pid 6012] <... symlink resumed>) = 0 [pid 6012] write(1, "executing program\n", 18) = 18 [pid 6012] memfd_create("syzkaller", 0 [pid 5842] umount2("./30/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./30/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] umount2("./30/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] openat(AT_FDCWD, "./30/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5842] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5842] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 6012] <... memfd_create resumed>) = 3 [pid 6010] <... write resumed>) = 2097152 [pid 5842] getdents64(4, [pid 6012] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5842] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 6012] <... mmap resumed>) = 0x7f8e0a400000 [pid 6011] <... write resumed>) = 2097152 [pid 5842] close(4 [pid 6011] munmap(0x7f8e0a400000, 138412032 [pid 6010] munmap(0x7f8e0a400000, 138412032 [pid 5842] <... close resumed>) = 0 [pid 5842] rmdir("./30/bus") = 0 [pid 5842] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5842] close(3 [pid 6010] <... munmap resumed>) = 0 [pid 5842] <... close resumed>) = 0 [pid 6011] <... munmap resumed>) = 0 [pid 6010] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5842] rmdir("./30") = 0 [pid 5842] mkdir("./31", 0777) = 0 [pid 6010] <... openat resumed>) = 4 [pid 5842] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5842] ioctl(3, LOOP_CLR_FD) = 0 [pid 5842] close(3 [pid 6011] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6010] ioctl(4, LOOP_SET_FD, 3 [pid 6011] <... openat resumed>) = 4 [pid 6011] ioctl(4, LOOP_SET_FD, 3 [pid 6008] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 6010] <... ioctl resumed>) = 0 [pid 5842] <... close resumed>) = 0 [pid 6010] close(3) = 0 [pid 6008] sched_setaffinity(0, 0, NULL [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6010] close(4 [pid 6008] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 6010] <... close resumed>) = 0 [pid 6008] rename(NULL, NULL./strace-static-x86_64: Process 6013 attached [pid 6012] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6008] <... rename resumed>) = -1 EFAULT (Bad address) [pid 5842] <... clone resumed>, child_tidptr=0x55557f708650) = 6013 [pid 6013] set_robust_list(0x55557f708660, 24 [pid 6011] <... ioctl resumed>) = 0 [pid 6010] mkdir("./bus", 0777 [pid 6013] <... set_robust_list resumed>) = 0 [pid 6008] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 6013] chdir("./31" [pid 6010] <... mkdir resumed>) = 0 [pid 6008] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6013] <... chdir resumed>) = 0 [pid 6011] close(3 [pid 6008] exit_group(0 [pid 6013] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6010] mount("/dev/loop1", "./bus", "ntfs3", 0, "" [pid 6013] <... prctl resumed>) = 0 [pid 6013] setpgid(0, 0 [pid 6008] <... exit_group resumed>) = ? [pid 6013] <... setpgid resumed>) = 0 [pid 6011] <... close resumed>) = 0 [pid 6013] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6011] close(4) = 0 [pid 6011] mkdir("./bus", 0777) = 0 [ 124.760111][ T6010] loop1: detected capacity change from 0 to 4096 [ 124.770864][ T6011] loop4: detected capacity change from 0 to 4096 [pid 6013] <... openat resumed>) = 3 [pid 6013] write(3, "1000", 4 [pid 6011] mount("/dev/loop4", "./bus", "ntfs3", 0, "" [pid 6013] <... write resumed>) = 4 [pid 6013] close(3) = 0 [pid 6008] +++ exited with 0 +++ [pid 6013] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6013] write(1, "executing program\n", 18) = 18 [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6008, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 5844] restart_syscall(<... resuming interrupted clone ...> [pid 6013] memfd_create("syzkaller", 0 [pid 5844] <... restart_syscall resumed>) = 0 [pid 5844] umount2("./31", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] openat(AT_FDCWD, "./31", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5844] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6013] <... memfd_create resumed>) = 3 [pid 5844] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 6013] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5844] umount2("./31/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6013] <... mmap resumed>) = 0x7f8e0a400000 [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5844] newfstatat(AT_FDCWD, "./31/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] unlink("./31/binderfs") = 0 [pid 5844] umount2("./31/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6010] <... mount resumed>) = 0 [pid 6012] <... write resumed>) = 2097152 [pid 5844] <... umount2 resumed>) = 0 [pid 6010] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6012] munmap(0x7f8e0a400000, 138412032 [pid 6010] <... openat resumed>) = 3 [pid 6010] chdir("./bus") = 0 [pid 6010] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6010] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 6010] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 6010] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 6010] read(4, [pid 5844] umount2("./31/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6012] <... munmap resumed>) = 0 [pid 6012] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5844] newfstatat(AT_FDCWD, "./31/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] umount2("./31/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6012] ioctl(4, LOOP_SET_FD, 3 [pid 5844] openat(AT_FDCWD, "./31/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5844] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6012] <... ioctl resumed>) = 0 [pid 5844] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5844] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 6013] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6012] close(3 [pid 6011] <... mount resumed>) = 0 [pid 5844] close(4 [pid 6012] <... close resumed>) = 0 [pid 6011] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6012] close(4 [pid 5844] <... close resumed>) = 0 [pid 6012] <... close resumed>) = 0 [pid 6011] <... openat resumed>) = 3 [pid 6012] mkdir("./bus", 0777 [pid 6011] chdir("./bus" [pid 5844] rmdir("./31/bus" [pid 6012] <... mkdir resumed>) = 0 [pid 6011] <... chdir resumed>) = 0 [pid 6012] mount("/dev/loop3", "./bus", "ntfs3", 0, "" [pid 6011] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5844] <... rmdir resumed>) = 0 [pid 6011] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5844] getdents64(3, [pid 6011] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5844] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 6011] sched_setscheduler(0, SCHED_RR, NULL [pid 5844] close(3 [pid 6011] <... sched_setscheduler resumed>) = -1 EINVAL (Invalid argument) [pid 6011] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5844] <... close resumed>) = 0 [pid 6011] <... openat resumed>) = 4 [pid 5844] rmdir("./31" [pid 6011] read(4, [pid 5844] <... rmdir resumed>) = 0 [ 124.917167][ T6012] loop3: detected capacity change from 0 to 4096 [pid 5844] mkdir("./32", 0777) = 0 [pid 5844] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6012] <... mount resumed>) = 0 [pid 5844] <... openat resumed>) = 3 [pid 5844] ioctl(3, LOOP_CLR_FD [pid 6012] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5844] <... ioctl resumed>) = 0 [pid 6012] <... openat resumed>) = 3 [pid 5844] close(3 [pid 6012] chdir("./bus" [pid 6013] <... write resumed>) = 2097152 [pid 6012] <... chdir resumed>) = 0 [pid 6013] munmap(0x7f8e0a400000, 138412032 [pid 6012] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6013] <... munmap resumed>) = 0 [pid 6012] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6012] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 6012] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 6012] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 6012] read(4, [pid 6013] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5844] <... close resumed>) = 0 [pid 6013] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6013] close(3./strace-static-x86_64: Process 6014 attached ) = 0 [pid 5844] <... clone resumed>, child_tidptr=0x55557f708650) = 6014 [pid 6013] close(4) = 0 [pid 6014] set_robust_list(0x55557f708660, 24) = 0 [pid 6013] mkdir("./bus", 0777 [pid 6014] chdir("./32") = 0 [pid 6014] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6014] setpgid(0, 0) = 0 [pid 6014] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6013] <... mkdir resumed>) = 0 [pid 6014] <... openat resumed>) = 3 [pid 6014] write(3, "1000", 4 [pid 6013] mount("/dev/loop0", "./bus", "ntfs3", 0, "" [pid 6014] <... write resumed>) = 4 [pid 6014] close(3) = 0 [pid 6014] symlink("/dev/binderfs", "./binderfs") = 0 [ 125.056972][ T6013] loop0: detected capacity change from 0 to 4096 [pid 6014] write(1, "executing program\n", 18executing program ) = 18 [pid 6014] memfd_create("syzkaller", 0) = 3 [pid 6014] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 [pid 6010] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 6010] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 6010] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 6010] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 6010] exit_group(0) = ? [pid 6011] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 6010] +++ exited with 0 +++ [pid 5843] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6010, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=10 /* 0.10 s */} --- [pid 5843] umount2("./28", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5843] openat(AT_FDCWD, "./28", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5843] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6011] sched_setaffinity(0, 0, NULL [pid 5843] getdents64(3, [pid 6011] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5843] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 6011] rename(NULL, NULL [pid 5843] umount2("./28/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6011] <... rename resumed>) = -1 EFAULT (Bad address) [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6011] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5843] newfstatat(AT_FDCWD, "./28/binderfs", [pid 6013] <... mount resumed>) = 0 [pid 6011] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5843] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6011] exit_group(0 [pid 5843] unlink("./28/binderfs" [pid 6011] <... exit_group resumed>) = ? [pid 5843] <... unlink resumed>) = 0 [pid 6013] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6011] +++ exited with 0 +++ [pid 5843] umount2("./28/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6011, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 6013] <... openat resumed>) = 3 [pid 5846] restart_syscall(<... resuming interrupted clone ...> [pid 5843] <... umount2 resumed>) = 0 [pid 6013] chdir("./bus" [pid 6014] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6013] <... chdir resumed>) = 0 [pid 5843] umount2("./28/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5843] newfstatat(AT_FDCWD, "./28/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] umount2("./28/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5843] openat(AT_FDCWD, "./28/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5843] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5843] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5843] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 6013] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5846] <... restart_syscall resumed>) = 0 [pid 5843] close(4 [pid 6013] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5843] <... close resumed>) = 0 [pid 6013] sched_setaffinity(0, 0, NULL [pid 5846] umount2("./31", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6013] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5846] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6013] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5846] openat(AT_FDCWD, "./31", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6013] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5843] rmdir("./28/bus" [pid 6013] <... openat resumed>) = 4 [pid 5846] <... openat resumed>) = 3 [pid 5843] <... rmdir resumed>) = 0 [pid 5843] getdents64(3, [pid 6013] read(4, [pid 5846] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5846] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5846] umount2("./31/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5843] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5843] close(3) = 0 [pid 5843] rmdir("./28" [pid 5846] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] <... rmdir resumed>) = 0 [pid 5843] mkdir("./29", 0777 [pid 5846] newfstatat(AT_FDCWD, "./31/binderfs", [pid 5843] <... mkdir resumed>) = 0 [pid 5846] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5846] unlink("./31/binderfs" [pid 5843] <... openat resumed>) = 3 [pid 5843] ioctl(3, LOOP_CLR_FD [pid 5846] <... unlink resumed>) = 0 [pid 5843] <... ioctl resumed>) = 0 [pid 5843] close(3 [pid 5846] umount2("./31/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6014] <... write resumed>) = 2097152 [pid 6014] munmap(0x7f8e0a400000, 138412032) = 0 [pid 5846] <... umount2 resumed>) = 0 [pid 5843] <... close resumed>) = 0 [pid 6014] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 6014] ioctl(4, LOOP_SET_FD, 3 [pid 5843] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5846] umount2("./31/bus", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6015 attached [pid 6015] set_robust_list(0x55557f708660, 24 [pid 5846] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] <... clone resumed>, child_tidptr=0x55557f708650) = 6015 [pid 6014] <... ioctl resumed>) = 0 [pid 6014] close(3) = 0 [pid 6015] <... set_robust_list resumed>) = 0 [pid 5846] newfstatat(AT_FDCWD, "./31/bus", [pid 6014] close(4) = 0 [pid 6014] mkdir("./bus", 0777) = 0 [pid 6015] chdir("./29" [pid 6012] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5846] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5846] umount2("./31/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6015] <... chdir resumed>) = 0 [pid 5846] openat(AT_FDCWD, "./31/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6015] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6014] mount("/dev/loop2", "./bus", "ntfs3", 0, "" [pid 6015] <... prctl resumed>) = 0 [pid 5846] <... openat resumed>) = 4 [pid 6012] sched_setaffinity(0, 0, NULL [pid 6015] setpgid(0, 0) = 0 [pid 5846] newfstatat(4, "", [pid 6012] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 6015] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6012] rename(NULL, NULL [pid 5846] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6012] <... rename resumed>) = -1 EFAULT (Bad address) [pid 6015] <... openat resumed>) = 3 [pid 6012] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 6015] write(3, "1000", 4 [pid 5846] getdents64(4, [pid 6015] <... write resumed>) = 4 [pid 6015] close(3 [pid 6012] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5846] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 6015] <... close resumed>) = 0 [pid 5846] getdents64(4, [pid 6015] symlink("/dev/binderfs", "./binderfs" [pid 5846] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5846] close(4 [pid 6015] <... symlink resumed>) = 0 [pid 6012] exit_group(0 [pid 5846] <... close resumed>) = 0 [pid 6015] write(1, "executing program\n", 18executing program [pid 5846] rmdir("./31/bus" [pid 6012] <... exit_group resumed>) = ? [pid 6015] <... write resumed>) = 18 [pid 5846] <... rmdir resumed>) = 0 [pid 6015] memfd_create("syzkaller", 0 [pid 5846] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5846] close(3) = 0 [pid 6012] +++ exited with 0 +++ [pid 5846] rmdir("./31" [pid 5845] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6012, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [pid 5846] <... rmdir resumed>) = 0 [pid 5845] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5845] umount2("./30", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5846] mkdir("./32", 0777 [pid 5845] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5845] openat(AT_FDCWD, "./30", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5845] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5845] getdents64(3, [pid 6015] <... memfd_create resumed>) = 3 [ 125.330687][ T6014] loop2: detected capacity change from 0 to 4096 [pid 6015] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5845] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 6015] <... mmap resumed>) = 0x7f8e0a400000 [pid 5846] <... mkdir resumed>) = 0 [pid 5845] umount2("./30/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5845] newfstatat(AT_FDCWD, "./30/binderfs", [pid 5846] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5845] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5846] <... openat resumed>) = 3 [pid 5845] unlink("./30/binderfs") = 0 [pid 5846] ioctl(3, LOOP_CLR_FD) = 0 [pid 5846] close(3 [pid 5845] umount2("./30/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 5845] umount2("./30/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5845] newfstatat(AT_FDCWD, "./30/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5845] umount2("./30/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5845] openat(AT_FDCWD, "./30/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5845] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5845] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5845] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5845] close(4) = 0 [pid 5845] rmdir("./30/bus") = 0 [pid 5845] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5845] close(3) = 0 [pid 5845] rmdir("./30" [pid 6014] <... mount resumed>) = 0 [pid 5846] <... close resumed>) = 0 [pid 5845] <... rmdir resumed>) = 0 [pid 6014] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6014] chdir("./bus") = 0 [pid 6014] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6014] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 6014] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 6014] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 6014] read(4, [pid 6015] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5845] mkdir("./31", 0777) = 0 [pid 5845] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5845] ioctl(3, LOOP_CLR_FD) = 0 [pid 5845] close(3./strace-static-x86_64: Process 6016 attached [pid 5846] <... clone resumed>, child_tidptr=0x55557f708650) = 6016 [pid 6016] set_robust_list(0x55557f708660, 24) = 0 [pid 6016] chdir("./32") = 0 [pid 6016] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6016] setpgid(0, 0) = 0 [pid 6016] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5845] <... close resumed>) = 0 [pid 6016] <... openat resumed>) = 3 [pid 6015] <... write resumed>) = 2097152 [pid 6016] write(3, "1000", 4) = 4 [pid 6016] close(3) = 0 [pid 5845] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6015] munmap(0x7f8e0a400000, 138412032 [pid 6016] symlink("/dev/binderfs", "./binderfs"./strace-static-x86_64: Process 6017 attached ) = 0 [pid 6017] set_robust_list(0x55557f708660, 24 [pid 5845] <... clone resumed>, child_tidptr=0x55557f708650) = 6017 [pid 6017] <... set_robust_list resumed>) = 0 executing program [pid 6017] chdir("./31" [pid 6016] write(1, "executing program\n", 18 [pid 6015] <... munmap resumed>) = 0 [pid 6017] <... chdir resumed>) = 0 [pid 6017] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6017] setpgid(0, 0 [pid 6016] <... write resumed>) = 18 [pid 6017] <... setpgid resumed>) = 0 [pid 6017] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6017] write(3, "1000", 4) = 4 [pid 6017] close(3) = 0 [pid 6017] symlink("/dev/binderfs", "./binderfs" [pid 6016] memfd_create("syzkaller", 0 [pid 6015] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6017] <... symlink resumed>) = 0 [pid 6015] <... openat resumed>) = 4 [pid 6015] ioctl(4, LOOP_SET_FD, 3executing program [pid 6016] <... memfd_create resumed>) = 3 [pid 6017] write(1, "executing program\n", 18) = 18 [pid 6017] memfd_create("syzkaller", 0) = 3 [pid 6017] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 [pid 6016] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 [pid 6015] <... ioctl resumed>) = 0 [pid 6015] close(3) = 0 [pid 6015] close(4) = 0 [pid 6015] mkdir("./bus", 0777) = 0 [ 125.604463][ T6015] loop1: detected capacity change from 0 to 4096 [pid 6015] mount("/dev/loop1", "./bus", "ntfs3", 0, "" [pid 6017] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6015] <... mount resumed>) = 0 [pid 6016] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6015] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6015] chdir("./bus") = 0 [pid 6015] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6015] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 6015] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 6015] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 6015] read(4, [pid 6017] <... write resumed>) = 2097152 [pid 6017] munmap(0x7f8e0a400000, 138412032) = 0 [pid 6017] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 6017] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6017] close(3) = 0 [pid 6017] close(4) = 0 [pid 6017] mkdir("./bus", 0777) = 0 [pid 6017] mount("/dev/loop3", "./bus", "ntfs3", 0, "" [pid 6016] <... write resumed>) = 2097152 [ 125.806323][ T6017] loop3: detected capacity change from 0 to 4096 [pid 6016] munmap(0x7f8e0a400000, 138412032) = 0 [pid 6016] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 6016] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6016] close(3) = 0 [pid 6016] close(4) = 0 [pid 6016] mkdir("./bus", 0777) = 0 [pid 6017] <... mount resumed>) = 0 [pid 6017] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6016] mount("/dev/loop4", "./bus", "ntfs3", 0, "" [pid 6017] chdir("./bus" [pid 6014] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 6017] <... chdir resumed>) = 0 [pid 6014] sched_setaffinity(0, 0, NULL [pid 6017] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6014] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 6017] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6014] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 6014] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 6017] sched_setaffinity(0, 0, NULL [pid 6014] exit_group(0 [pid 6017] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 6017] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 6017] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6014] <... exit_group resumed>) = ? [ 125.886422][ T6016] loop4: detected capacity change from 0 to 4096 [pid 6017] <... openat resumed>) = 4 [pid 6017] read(4, [pid 6014] +++ exited with 0 +++ [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6014, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 5844] umount2("./32", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] openat(AT_FDCWD, "./32", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5844] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5844] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5844] umount2("./32/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] newfstatat(AT_FDCWD, "./32/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6015] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 6016] <... mount resumed>) = 0 [pid 5844] unlink("./32/binderfs" [pid 6016] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6016] chdir("./bus") = 0 [pid 5844] <... unlink resumed>) = 0 [pid 5844] umount2("./32/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6016] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6015] sched_setaffinity(0, 0, NULL [pid 6016] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6015] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 6016] sched_setaffinity(0, 0, NULL [pid 6015] rename(NULL, NULL [pid 6016] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 6015] <... rename resumed>) = -1 EFAULT (Bad address) [pid 6016] sched_setscheduler(0, SCHED_RR, NULL [pid 6015] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 6016] <... sched_setscheduler resumed>) = -1 EINVAL (Invalid argument) [pid 6015] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6016] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 6016] read(4, [pid 5844] <... umount2 resumed>) = 0 [pid 5844] umount2("./32/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6015] exit_group(0 [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6015] <... exit_group resumed>) = ? [pid 5844] newfstatat(AT_FDCWD, "./32/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] umount2("./32/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6013] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5844] openat(AT_FDCWD, "./32/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 6015] +++ exited with 0 +++ [pid 5843] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6015, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 5843] restart_syscall(<... resuming interrupted clone ...> [pid 6013] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 6013] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 5844] newfstatat(4, "", [pid 6013] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5844] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6013] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5844] getdents64(4, [pid 6013] exit_group(0 [pid 5844] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 6013] <... exit_group resumed>) = ? [pid 5844] getdents64(4, [pid 6013] +++ exited with 0 +++ [pid 5844] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5844] close(4 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6013, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=16 /* 0.16 s */} --- [pid 5843] <... restart_syscall resumed>) = 0 [pid 5842] restart_syscall(<... resuming interrupted clone ...> [pid 5844] <... close resumed>) = 0 [pid 5842] <... restart_syscall resumed>) = 0 [pid 5844] rmdir("./32/bus" [pid 5843] umount2("./29", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5844] <... rmdir resumed>) = 0 [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] openat(AT_FDCWD, "./29", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5842] umount2("./31", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5843] newfstatat(3, "", [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5842] openat(AT_FDCWD, "./31", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5844] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5843] getdents64(3, [pid 5842] <... openat resumed>) = 3 [pid 5844] close(3 [pid 5843] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5842] newfstatat(3, "", [pid 5844] <... close resumed>) = 0 [pid 5843] umount2("./29/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5844] rmdir("./32" [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] getdents64(3, [pid 5844] <... rmdir resumed>) = 0 [pid 5843] newfstatat(AT_FDCWD, "./29/binderfs", [pid 5842] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5843] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] umount2("./31/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5843] unlink("./29/binderfs" [pid 5842] newfstatat(AT_FDCWD, "./31/binderfs", [pid 5844] mkdir("./33", 0777 [pid 5843] <... unlink resumed>) = 0 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] <... mkdir resumed>) = 0 [pid 5842] unlink("./31/binderfs" [pid 5843] umount2("./29/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 5842] <... unlink resumed>) = 0 [pid 5842] umount2("./31/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5844] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5844] ioctl(3, LOOP_CLR_FD) = 0 [pid 5842] <... umount2 resumed>) = 0 [pid 5844] close(3 [pid 5842] umount2("./31/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./31/bus", [pid 5843] umount2("./29/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5843] newfstatat(AT_FDCWD, "./29/bus", [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] umount2("./29/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5843] openat(AT_FDCWD, "./29/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5843] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5843] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5843] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5843] close(4) = 0 [pid 5843] rmdir("./29/bus") = 0 [pid 5843] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5843] close(3) = 0 [pid 5843] rmdir("./29") = 0 [pid 5843] mkdir("./30", 0777 [pid 5842] umount2("./31/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5843] <... mkdir resumed>) = 0 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] openat(AT_FDCWD, "./31/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5843] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5842] newfstatat(4, "", [pid 5843] <... openat resumed>) = 3 [pid 5843] ioctl(3, LOOP_CLR_FD) = 0 [pid 5843] close(3 [pid 5844] <... close resumed>) = 0 [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5842] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 6016] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5842] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5842] close(4) = 0 [pid 5842] rmdir("./31/bus") = 0 [pid 5842] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5842] close(3) = 0 [pid 5842] rmdir("./31") = 0 [pid 5842] mkdir("./32", 0777) = 0 [pid 5842] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5842] ioctl(3, LOOP_CLR_FD) = 0 [pid 5842] close(3 [pid 6016] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 6016] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 6016] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 6016] exit_group(0) = ? [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6016] +++ exited with 0 +++ [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6016, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 5846] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5846] umount2("./32", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5846] openat(AT_FDCWD, "./32", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5846] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5846] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5846] umount2("./32/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5846] newfstatat(AT_FDCWD, "./32/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5846] unlink("./32/binderfs") = 0 [pid 5846] umount2("./32/bus", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6018 attached ) = 0 [pid 5844] <... clone resumed>, child_tidptr=0x55557f708650) = 6018 [pid 5846] umount2("./32/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5846] newfstatat(AT_FDCWD, "./32/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5846] umount2("./32/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5846] openat(AT_FDCWD, "./32/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5846] newfstatat(4, "", [pid 6018] set_robust_list(0x55557f708660, 24 [pid 5846] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5846] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5846] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5846] close(4) = 0 [pid 5846] rmdir("./32/bus") = 0 [pid 5846] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5846] close(3) = 0 [pid 5846] rmdir("./32") = 0 [pid 5846] mkdir("./33", 0777) = 0 [pid 6018] <... set_robust_list resumed>) = 0 [pid 5846] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5843] <... close resumed>) = 0 [pid 5842] <... close resumed>) = 0 [pid 5846] <... openat resumed>) = 3 [pid 6018] chdir("./33" [pid 5843] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6018] <... chdir resumed>) = 0 [pid 5846] ioctl(3, LOOP_CLR_FD) = 0 [pid 5846] close(3 [pid 6018] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5843] <... clone resumed>, child_tidptr=0x55557f708650) = 6019 [pid 6018] setpgid(0, 0) = 0 [pid 6018] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 6019 attached [pid 6019] set_robust_list(0x55557f708660, 24) = 0 [pid 6019] chdir("./30") = 0 [pid 6019] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6019] setpgid(0, 0) = 0 [pid 6019] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6019] write(3, "1000", 4) = 4 [pid 6019] close(3) = 0 [pid 6019] symlink("/dev/binderfs", "./binderfs" [pid 6018] <... openat resumed>) = 3 [pid 6018] write(3, "1000", 4 [pid 6019] <... symlink resumed>) = 0 [pid 6018] <... write resumed>) = 4 [pid 6018] close(3executing program [pid 6019] write(1, "executing program\n", 18) = 18 [pid 6018] <... close resumed>) = 0 [pid 6019] memfd_create("syzkaller", 0 [pid 6018] symlink("/dev/binderfs", "./binderfs" [pid 6019] <... memfd_create resumed>) = 3 [pid 6017] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5846] <... close resumed>) = 0 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6019] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0executing program ) = 0x7f8e0a400000 [pid 6018] <... symlink resumed>) = 0 [pid 6018] write(1, "executing program\n", 18./strace-static-x86_64: Process 6020 attached ) = 18 [pid 5842] <... clone resumed>, child_tidptr=0x55557f708650) = 6020 [pid 6018] memfd_create("syzkaller", 0 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6020] set_robust_list(0x55557f708660, 24 [pid 5846] <... clone resumed>, child_tidptr=0x55557f708650) = 6021 ./strace-static-x86_64: Process 6021 attached [pid 6017] sched_setaffinity(0, 0, NULL [pid 6021] set_robust_list(0x55557f708660, 24 [pid 6020] <... set_robust_list resumed>) = 0 [pid 6018] <... memfd_create resumed>) = 3 [pid 6017] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 6017] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 6017] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 6020] chdir("./32" [pid 6018] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6021] <... set_robust_list resumed>) = 0 [pid 6017] exit_group(0) = ? [pid 6021] chdir("./33" [pid 6020] <... chdir resumed>) = 0 [pid 6018] <... mmap resumed>) = 0x7f8e0a400000 [pid 6021] <... chdir resumed>) = 0 [pid 6020] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6021] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6020] <... prctl resumed>) = 0 [pid 6021] <... prctl resumed>) = 0 [pid 6020] setpgid(0, 0 [pid 6021] setpgid(0, 0 [pid 6020] <... setpgid resumed>) = 0 [pid 6017] +++ exited with 0 +++ [pid 5845] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6017, si_uid=0, si_status=0, si_utime=0, si_stime=24 /* 0.24 s */} --- [pid 5845] restart_syscall(<... resuming interrupted clone ...> [pid 6020] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6021] <... setpgid resumed>) = 0 [pid 6021] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6020] write(3, "1000", 4 [pid 5845] <... restart_syscall resumed>) = 0 [pid 6020] <... write resumed>) = 4 [pid 6021] <... openat resumed>) = 3 [pid 6020] close(3) = 0 [pid 5845] umount2("./31", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6021] write(3, "1000", 4 [pid 6020] symlink("/dev/binderfs", "./binderfs" [pid 5845] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6021] <... write resumed>) = 4 [pid 5845] openat(AT_FDCWD, "./31", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6021] close(3 [pid 6020] <... symlink resumed>) = 0 [pid 5845] <... openat resumed>) = 3 [pid 5845] newfstatat(3, "", [pid 6021] <... close resumed>) = 0 [pid 6021] symlink("/dev/binderfs", "./binderfs" [pid 5845] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5845] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5845] umount2("./31/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5845] newfstatat(AT_FDCWD, "./31/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5845] unlink("./31/binderfs") = 0 [pid 5845] umount2("./31/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6021] <... symlink resumed>) = 0 [pid 6020] write(1, "executing program\n", 18 [pid 6019] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5845] <... umount2 resumed>) = 0 [pid 5845] umount2("./31/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6020] <... write resumed>) = 18 executing program executing program [pid 6021] write(1, "executing program\n", 18) = 18 [pid 5845] newfstatat(AT_FDCWD, "./31/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5845] umount2("./31/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5845] openat(AT_FDCWD, "./31/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 6021] memfd_create("syzkaller", 0 [pid 6020] memfd_create("syzkaller", 0 [pid 5845] newfstatat(4, "", [pid 6021] <... memfd_create resumed>) = 3 [pid 6021] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5845] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5845] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5845] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5845] close(4) = 0 [pid 5845] rmdir("./31/bus") = 0 [pid 5845] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5845] close(3) = 0 [pid 5845] rmdir("./31") = 0 [pid 6021] <... mmap resumed>) = 0x7f8e0a400000 [pid 6020] <... memfd_create resumed>) = 3 [pid 5845] mkdir("./32", 0777 [pid 6020] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5845] <... mkdir resumed>) = 0 [pid 5845] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5845] ioctl(3, LOOP_CLR_FD) = 0 [pid 5845] close(3 [pid 6020] <... mmap resumed>) = 0x7f8e0a400000 [pid 6018] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5845] <... close resumed>) = 0 [pid 5845] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6022 attached [pid 6021] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6019] <... write resumed>) = 2097152 [pid 5845] <... clone resumed>, child_tidptr=0x55557f708650) = 6022 [pid 6022] set_robust_list(0x55557f708660, 24) = 0 [pid 6019] munmap(0x7f8e0a400000, 138412032) = 0 [pid 6022] chdir("./32") = 0 [pid 6020] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6022] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6022] setpgid(0, 0) = 0 [pid 6022] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6022] write(3, "1000", 4) = 4 [pid 6022] close(3) = 0 [pid 6022] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6022] write(1, "executing program\n", 18executing program ) = 18 [pid 6019] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 6019] ioctl(4, LOOP_SET_FD, 3 [pid 6022] memfd_create("syzkaller", 0) = 3 [pid 6022] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 [pid 6019] <... ioctl resumed>) = 0 [pid 6019] close(3) = 0 [pid 6019] close(4 [pid 6018] <... write resumed>) = 2097152 [pid 6019] <... close resumed>) = 0 [pid 6018] munmap(0x7f8e0a400000, 138412032 [pid 6019] mkdir("./bus", 0777) = 0 [pid 6019] mount("/dev/loop1", "./bus", "ntfs3", 0, "" [pid 6018] <... munmap resumed>) = 0 [pid 6018] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [ 126.497866][ T6019] loop1: detected capacity change from 0 to 4096 [pid 6021] <... write resumed>) = 2097152 [pid 6018] ioctl(4, LOOP_SET_FD, 3 [pid 6020] <... write resumed>) = 2097152 [pid 6021] munmap(0x7f8e0a400000, 138412032) = 0 [pid 6020] munmap(0x7f8e0a400000, 138412032 [pid 6018] <... ioctl resumed>) = 0 [pid 6021] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6018] close(3) = 0 [pid 6021] <... openat resumed>) = 4 [pid 6018] close(4) = 0 [ 126.542763][ T6018] loop2: detected capacity change from 0 to 4096 [pid 6022] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6021] ioctl(4, LOOP_SET_FD, 3 [pid 6020] <... munmap resumed>) = 0 [pid 6019] <... mount resumed>) = 0 [pid 6018] mkdir("./bus", 0777 [pid 6019] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6018] <... mkdir resumed>) = 0 [pid 6019] chdir("./bus" [pid 6021] <... ioctl resumed>) = 0 [pid 6020] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6019] <... chdir resumed>) = 0 [pid 6018] mount("/dev/loop2", "./bus", "ntfs3", 0, "" [pid 6021] close(3 [pid 6020] <... openat resumed>) = 4 [pid 6021] <... close resumed>) = 0 [pid 6020] ioctl(4, LOOP_SET_FD, 3 [pid 6021] close(4 [pid 6019] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6019] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 6019] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 6019] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 6019] read(4, [pid 6021] <... close resumed>) = 0 [pid 6021] mkdir("./bus", 0777) = 0 [pid 6021] mount("/dev/loop4", "./bus", "ntfs3", 0, "" [pid 6020] <... ioctl resumed>) = 0 [pid 6020] close(3) = 0 [pid 6020] close(4) = 0 [ 126.586408][ T6021] loop4: detected capacity change from 0 to 4096 [ 126.603964][ T6020] loop0: detected capacity change from 0 to 4096 [pid 6020] mkdir("./bus", 0777 [pid 6022] <... write resumed>) = 2097152 [pid 6020] <... mkdir resumed>) = 0 [pid 6018] <... mount resumed>) = 0 [pid 6021] <... mount resumed>) = 0 [pid 6021] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6018] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6020] mount("/dev/loop0", "./bus", "ntfs3", 0, "" [pid 6022] munmap(0x7f8e0a400000, 138412032 [pid 6018] <... openat resumed>) = 3 [pid 6022] <... munmap resumed>) = 0 [pid 6021] <... openat resumed>) = 3 [pid 6018] chdir("./bus" [pid 6021] chdir("./bus" [pid 6018] <... chdir resumed>) = 0 [pid 6021] <... chdir resumed>) = 0 [pid 6018] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6021] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6018] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6021] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6018] sched_setaffinity(0, 0, NULL [pid 6021] sched_setaffinity(0, 0, NULL [pid 6018] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 6021] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 6018] sched_setscheduler(0, SCHED_RR, NULL [pid 6021] sched_setscheduler(0, SCHED_RR, NULL [pid 6018] <... sched_setscheduler resumed>) = -1 EINVAL (Invalid argument) [pid 6021] <... sched_setscheduler resumed>) = -1 EINVAL (Invalid argument) [pid 6018] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6021] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6018] <... openat resumed>) = 4 [pid 6021] <... openat resumed>) = 4 [pid 6018] read(4, [pid 6021] read(4, [pid 6022] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 6022] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6022] close(3) = 0 [pid 6022] close(4) = 0 [ 126.709612][ T6022] loop3: detected capacity change from 0 to 4096 [pid 6022] mkdir("./bus", 0777) = 0 [pid 6022] mount("/dev/loop3", "./bus", "ntfs3", 0, "" [pid 6020] <... mount resumed>) = 0 [pid 6020] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6020] chdir("./bus") = 0 [pid 6020] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6020] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 6020] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 6020] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 6020] read(4, [pid 6022] <... mount resumed>) = 0 [pid 6022] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6022] chdir("./bus") = 0 [pid 6022] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6022] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 6022] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 6022] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 6022] read(4, [pid 6019] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 6019] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 6019] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 6019] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 6019] exit_group(0) = ? [pid 6019] +++ exited with 0 +++ [pid 5843] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6019, si_uid=0, si_status=0, si_utime=0, si_stime=26 /* 0.26 s */} --- [pid 5843] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5843] umount2("./30", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5843] openat(AT_FDCWD, "./30", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5843] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5843] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 6020] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 6020] sched_setaffinity(0, 0, NULL [pid 5843] umount2("./30/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5843] newfstatat(AT_FDCWD, "./30/binderfs", [pid 6020] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5843] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6020] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 5843] unlink("./30/binderfs" [pid 6020] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 6020] exit_group(0 [pid 5843] <... unlink resumed>) = 0 [pid 6020] <... exit_group resumed>) = ? [pid 5843] umount2("./30/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 6020] +++ exited with 0 +++ [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6020, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=15 /* 0.15 s */} --- [pid 5843] umount2("./30/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] umount2("./32", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5843] newfstatat(AT_FDCWD, "./30/bus", [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] openat(AT_FDCWD, "./32", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5843] umount2("./30/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] <... openat resumed>) = 3 [pid 5842] newfstatat(3, "", [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] openat(AT_FDCWD, "./30/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5843] <... openat resumed>) = 4 [pid 5842] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5843] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5843] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5842] umount2("./32/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5843] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./32/binderfs", [pid 5843] close(4 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] <... close resumed>) = 0 [pid 5842] unlink("./32/binderfs") = 0 [pid 5843] rmdir("./30/bus") = 0 [pid 5842] umount2("./32/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 5843] getdents64(3, [pid 6021] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5843] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5842] umount2("./32/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5843] close(3) = 0 [pid 5843] rmdir("./30" [pid 6021] sched_setaffinity(0, 0, NULL [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6021] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./32/bus", [pid 6021] rename(NULL, NULL [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] <... rmdir resumed>) = 0 [pid 6021] <... rename resumed>) = -1 EFAULT (Bad address) [pid 5842] umount2("./32/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6021] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6021] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5842] openat(AT_FDCWD, "./32/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6021] exit_group(0 [pid 5842] <... openat resumed>) = 4 [pid 6021] <... exit_group resumed>) = ? [pid 5842] newfstatat(4, "", [pid 6021] +++ exited with 0 +++ [pid 6018] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5843] mkdir("./31", 0777 [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5842] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5842] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5842] close(4) = 0 [pid 5842] rmdir("./32/bus" [pid 6018] sched_setaffinity(0, 0, NULL [pid 5842] <... rmdir resumed>) = 0 [pid 5842] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5842] close(3) = 0 [pid 5843] <... mkdir resumed>) = 0 [pid 5842] rmdir("./32" [pid 6018] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6021, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=19 /* 0.19 s */} --- [pid 6018] rename(NULL, NULL [pid 5843] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5846] restart_syscall(<... resuming interrupted clone ...> [pid 6018] <... rename resumed>) = -1 EFAULT (Bad address) [pid 6018] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5843] <... openat resumed>) = 3 [pid 5842] <... rmdir resumed>) = 0 [pid 5842] mkdir("./33", 0777 [pid 6018] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5843] ioctl(3, LOOP_CLR_FD [pid 6018] exit_group(0 [pid 5846] <... restart_syscall resumed>) = 0 [pid 5843] <... ioctl resumed>) = 0 [pid 5842] <... mkdir resumed>) = 0 [pid 6018] <... exit_group resumed>) = ? [pid 5842] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5843] close(3 [pid 5842] <... openat resumed>) = 3 [pid 6018] +++ exited with 0 +++ [pid 5842] ioctl(3, LOOP_CLR_FD) = 0 [pid 5842] close(3 [pid 5846] umount2("./33", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5846] openat(AT_FDCWD, "./33", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6018, si_uid=0, si_status=0, si_utime=0, si_stime=25 /* 0.25 s */} --- [pid 5844] umount2("./33", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5846] <... openat resumed>) = 3 [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5846] newfstatat(3, "", [pid 5844] openat(AT_FDCWD, "./33", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5846] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5844] <... openat resumed>) = 3 [pid 5843] <... close resumed>) = 0 [pid 5842] <... close resumed>) = 0 [pid 5844] newfstatat(3, "", [pid 5846] getdents64(3, [pid 5844] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5846] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5844] getdents64(3, [pid 5843] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5846] umount2("./33/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5846] newfstatat(AT_FDCWD, "./33/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 6023 attached [pid 5844] umount2("./33/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5846] unlink("./33/binderfs" [pid 6023] set_robust_list(0x55557f708660, 24 [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6023] <... set_robust_list resumed>) = 0 [pid 5846] <... unlink resumed>) = 0 [pid 5844] newfstatat(AT_FDCWD, "./33/binderfs", [pid 5843] <... clone resumed>, child_tidptr=0x55557f708650) = 6023 [pid 5846] umount2("./33/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6023] chdir("./31" [pid 5844] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] <... clone resumed>, child_tidptr=0x55557f708650) = 6024 [pid 5846] <... umount2 resumed>) = 0 [pid 5844] unlink("./33/binderfs") = 0 ./strace-static-x86_64: Process 6024 attached [pid 6023] <... chdir resumed>) = 0 [pid 6022] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5846] umount2("./33/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5844] umount2("./33/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6024] set_robust_list(0x55557f708660, 24 [pid 6023] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6022] sched_setaffinity(0, 0, NULL [pid 5846] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5844] <... umount2 resumed>) = 0 [pid 6024] <... set_robust_list resumed>) = 0 [pid 6023] <... prctl resumed>) = 0 [pid 6022] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5846] newfstatat(AT_FDCWD, "./33/bus", [pid 6024] chdir("./33" [pid 6023] setpgid(0, 0 [pid 6022] rename(NULL, NULL [pid 5846] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6024] <... chdir resumed>) = 0 [pid 6023] <... setpgid resumed>) = 0 [pid 6022] <... rename resumed>) = -1 EFAULT (Bad address) [pid 5846] umount2("./33/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6024] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6023] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6022] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5846] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5844] umount2("./33/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6024] <... prctl resumed>) = 0 [pid 6023] <... openat resumed>) = 3 [pid 6022] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5846] openat(AT_FDCWD, "./33/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6024] setpgid(0, 0 [pid 6023] write(3, "1000", 4 [pid 6022] exit_group(0 [pid 5846] <... openat resumed>) = 4 [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6024] <... setpgid resumed>) = 0 [pid 6023] <... write resumed>) = 4 [pid 6022] <... exit_group resumed>) = ? [pid 5846] newfstatat(4, "", [pid 5844] newfstatat(AT_FDCWD, "./33/bus", [pid 6024] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6023] close(3 [pid 5846] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6023] <... close resumed>) = 0 [pid 5844] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6023] symlink("/dev/binderfs", "./binderfs" [pid 5846] getdents64(4, [pid 6023] <... symlink resumed>) = 0 [pid 5846] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5844] umount2("./33/bus", MNT_FORCE|UMOUNT_NOFOLLOWexecuting program [pid 6023] write(1, "executing program\n", 18 [pid 6022] +++ exited with 0 +++ [pid 5846] getdents64(4, [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6023] <... write resumed>) = 18 [pid 5846] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5845] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6022, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 6024] <... openat resumed>) = 3 [pid 6023] memfd_create("syzkaller", 0 [pid 5846] close(4 [pid 5844] openat(AT_FDCWD, "./33/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6024] write(3, "1000", 4) = 4 [pid 5845] umount2("./32", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6024] close(3 [pid 5846] <... close resumed>) = 0 [pid 5845] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5844] <... openat resumed>) = 4 [pid 6024] <... close resumed>) = 0 [pid 5846] rmdir("./33/bus" [pid 5845] openat(AT_FDCWD, "./32", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6024] symlink("/dev/binderfs", "./binderfs" [pid 5846] <... rmdir resumed>) = 0 [pid 5845] <... openat resumed>) = 3 [pid 6024] <... symlink resumed>) = 0 [pid 5845] newfstatat(3, "", executing program [pid 5844] newfstatat(4, "", [pid 6024] write(1, "executing program\n", 18 [pid 5846] getdents64(3, [pid 5845] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5844] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6024] <... write resumed>) = 18 [pid 6023] <... memfd_create resumed>) = 3 [pid 5846] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5845] getdents64(3, [pid 5844] getdents64(4, [pid 6023] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5846] close(3 [pid 5845] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5844] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 6024] memfd_create("syzkaller", 0 [pid 6023] <... mmap resumed>) = 0x7f8e0a400000 [pid 5846] <... close resumed>) = 0 [pid 5845] umount2("./32/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5844] getdents64(4, [pid 6024] <... memfd_create resumed>) = 3 [pid 6024] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 [pid 5845] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5845] newfstatat(AT_FDCWD, "./32/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5845] unlink("./32/binderfs" [pid 5846] rmdir("./33" [pid 5845] <... unlink resumed>) = 0 [pid 5844] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5846] <... rmdir resumed>) = 0 [pid 5845] umount2("./32/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5844] close(4) = 0 [pid 5844] rmdir("./33/bus" [pid 5846] mkdir("./34", 0777 [pid 5844] <... rmdir resumed>) = 0 [pid 5846] <... mkdir resumed>) = 0 [pid 5844] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5844] close(3) = 0 [pid 5844] rmdir("./33" [pid 5846] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5844] <... rmdir resumed>) = 0 [pid 5845] <... umount2 resumed>) = 0 [pid 5846] <... openat resumed>) = 3 [pid 5846] ioctl(3, LOOP_CLR_FD [pid 5845] umount2("./32/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5846] <... ioctl resumed>) = 0 [pid 5845] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5846] close(3 [pid 5845] newfstatat(AT_FDCWD, "./32/bus", [pid 5844] mkdir("./34", 0777) = 0 [pid 5844] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5845] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] <... openat resumed>) = 3 [pid 5845] umount2("./32/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5844] ioctl(3, LOOP_CLR_FD [pid 5845] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5844] <... ioctl resumed>) = 0 [pid 5845] openat(AT_FDCWD, "./32/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5844] close(3 [pid 5845] <... openat resumed>) = 4 [pid 5845] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5845] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5845] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5845] close(4) = 0 [pid 5845] rmdir("./32/bus") = 0 [pid 5845] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5845] close(3) = 0 [pid 5845] rmdir("./32") = 0 [pid 5845] mkdir("./33", 0777) = 0 [pid 5845] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5845] ioctl(3, LOOP_CLR_FD) = 0 [pid 5845] close(3 [pid 5844] <... close resumed>) = 0 [pid 6024] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6023] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5846] <... close resumed>) = 0 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6025 attached [pid 6025] set_robust_list(0x55557f708660, 24 [pid 5844] <... clone resumed>, child_tidptr=0x55557f708650) = 6025 [pid 6025] <... set_robust_list resumed>) = 0 [pid 6025] chdir("./34") = 0 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6025] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6025] setpgid(0, 0 [pid 5846] <... clone resumed>, child_tidptr=0x55557f708650) = 6026 [pid 5845] <... close resumed>) = 0 ./strace-static-x86_64: Process 6026 attached [pid 6025] <... setpgid resumed>) = 0 [pid 6026] set_robust_list(0x55557f708660, 24 [pid 6025] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5845] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6026] <... set_robust_list resumed>) = 0 [pid 6025] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6027 attached [pid 6026] chdir("./34" [pid 6025] write(3, "1000", 4 [pid 6026] <... chdir resumed>) = 0 [pid 6026] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6025] <... write resumed>) = 4 [pid 6026] <... prctl resumed>) = 0 [pid 6026] setpgid(0, 0 [pid 6025] close(3 [pid 6026] <... setpgid resumed>) = 0 [pid 6025] <... close resumed>) = 0 [pid 6026] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6027] set_robust_list(0x55557f708660, 24 [pid 6026] <... openat resumed>) = 3 [pid 6027] <... set_robust_list resumed>) = 0 [pid 6025] symlink("/dev/binderfs", "./binderfs" [pid 5845] <... clone resumed>, child_tidptr=0x55557f708650) = 6027 [pid 6027] chdir("./33" [pid 6026] write(3, "1000", 4 [pid 6025] <... symlink resumed>) = 0 executing program [pid 6025] write(1, "executing program\n", 18 [pid 6027] <... chdir resumed>) = 0 [pid 6026] <... write resumed>) = 4 [pid 6025] <... write resumed>) = 18 [pid 6027] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6026] close(3 [pid 6025] memfd_create("syzkaller", 0 [pid 6027] <... prctl resumed>) = 0 [pid 6026] <... close resumed>) = 0 [pid 6027] setpgid(0, 0 [pid 6026] symlink("/dev/binderfs", "./binderfs"executing program [pid 6025] <... memfd_create resumed>) = 3 [pid 6025] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6027] <... setpgid resumed>) = 0 [pid 6026] <... symlink resumed>) = 0 [pid 6025] <... mmap resumed>) = 0x7f8e0a400000 [pid 6027] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6026] write(1, "executing program\n", 18 [pid 6027] <... openat resumed>) = 3 [pid 6026] <... write resumed>) = 18 [pid 6027] write(3, "1000", 4 [pid 6024] <... write resumed>) = 2097152 [pid 6026] memfd_create("syzkaller", 0 [pid 6027] <... write resumed>) = 4 [pid 6026] <... memfd_create resumed>) = 3 [pid 6026] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6027] close(3 [pid 6026] <... mmap resumed>) = 0x7f8e0a400000 [pid 6024] munmap(0x7f8e0a400000, 138412032 [pid 6023] <... write resumed>) = 2097152 [pid 6027] <... close resumed>) = 0 [pid 6025] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6024] <... munmap resumed>) = 0 [pid 6027] symlink("/dev/binderfs", "./binderfs" [pid 6023] munmap(0x7f8e0a400000, 138412032 [pid 6027] <... symlink resumed>) = 0 [pid 6024] openat(AT_FDCWD, "/dev/loop0", O_RDWRexecuting program [pid 6027] write(1, "executing program\n", 18 [pid 6024] <... openat resumed>) = 4 [pid 6027] <... write resumed>) = 18 [pid 6024] ioctl(4, LOOP_SET_FD, 3 [pid 6027] memfd_create("syzkaller", 0) = 3 [pid 6027] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6023] <... munmap resumed>) = 0 [pid 6027] <... mmap resumed>) = 0x7f8e0a400000 [pid 6024] <... ioctl resumed>) = 0 [pid 6023] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 6023] ioctl(4, LOOP_SET_FD, 3 [pid 6024] close(3 [pid 6025] <... write resumed>) = 2097152 [pid 6024] <... close resumed>) = 0 [pid 6024] close(4 [pid 6023] <... ioctl resumed>) = 0 [pid 6023] close(3) = 0 [pid 6023] close(4) = 0 [pid 6024] <... close resumed>) = 0 [pid 6023] mkdir("./bus", 0777) = 0 [pid 6025] munmap(0x7f8e0a400000, 138412032 [pid 6024] mkdir("./bus", 0777 [pid 6023] mount("/dev/loop1", "./bus", "ntfs3", 0, "" [pid 6025] <... munmap resumed>) = 0 [pid 6026] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6024] <... mkdir resumed>) = 0 [pid 6025] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6024] mount("/dev/loop0", "./bus", "ntfs3", 0, "" [pid 6025] <... openat resumed>) = 4 [ 127.660408][ T6024] loop0: detected capacity change from 0 to 4096 [ 127.683837][ T6023] loop1: detected capacity change from 0 to 4096 [pid 6025] ioctl(4, LOOP_SET_FD, 3 [pid 6027] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6023] <... mount resumed>) = 0 [pid 6023] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6023] chdir("./bus") = 0 [pid 6023] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6023] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 6023] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 6023] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 6023] read(4, [pid 6025] <... ioctl resumed>) = 0 [pid 6025] close(3) = 0 [pid 6025] close(4) = 0 [pid 6025] mkdir("./bus", 0777) = 0 [pid 6025] mount("/dev/loop2", "./bus", "ntfs3", 0, "" [pid 6024] <... mount resumed>) = 0 [ 127.736360][ T6025] loop2: detected capacity change from 0 to 4096 [pid 6024] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6024] chdir("./bus") = 0 [pid 6024] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6026] <... write resumed>) = 2097152 [pid 6024] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6024] sched_setaffinity(0, 0, NULL [pid 6026] munmap(0x7f8e0a400000, 138412032 [pid 6024] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 6024] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 6024] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6025] <... mount resumed>) = 0 [pid 6024] <... openat resumed>) = 4 [pid 6024] read(4, [pid 6025] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6025] chdir("./bus") = 0 [pid 6025] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6025] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 6025] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 6025] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 6026] <... munmap resumed>) = 0 [pid 6025] read(4, [pid 6026] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 6027] <... write resumed>) = 2097152 [pid 6026] ioctl(4, LOOP_SET_FD, 3 [pid 6027] munmap(0x7f8e0a400000, 138412032) = 0 [pid 6026] <... ioctl resumed>) = 0 [pid 6027] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6026] close(3 [pid 6027] <... openat resumed>) = 4 [pid 6026] <... close resumed>) = 0 [pid 6027] ioctl(4, LOOP_SET_FD, 3 [pid 6026] close(4) = 0 [pid 6026] mkdir("./bus", 0777) = 0 [pid 6026] mount("/dev/loop4", "./bus", "ntfs3", 0, "" [pid 6027] <... ioctl resumed>) = 0 [pid 6027] close(3) = 0 [pid 6027] close(4) = 0 [pid 6027] mkdir("./bus", 0777) = 0 [ 127.892848][ T6026] loop4: detected capacity change from 0 to 4096 [ 127.918429][ T6027] loop3: detected capacity change from 0 to 4096 [pid 6027] mount("/dev/loop3", "./bus", "ntfs3", 0, "" [pid 6026] <... mount resumed>) = 0 [pid 6026] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6026] chdir("./bus") = 0 [pid 6026] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6026] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 6026] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 6026] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 6026] read(4, [pid 6027] <... mount resumed>) = 0 [pid 6027] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6027] chdir("./bus") = 0 [pid 6027] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6027] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 6027] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 6027] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 6027] read(4, [pid 6024] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 6024] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 6024] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 6024] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 6024] exit_group(0) = ? [pid 6024] +++ exited with 0 +++ [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6024, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5842] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5842] umount2("./33", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] openat(AT_FDCWD, "./33", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5842] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5842] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5842] umount2("./33/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./33/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] unlink("./33/binderfs") = 0 [pid 5842] umount2("./33/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 5842] umount2("./33/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./33/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] umount2("./33/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] openat(AT_FDCWD, "./33/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5842] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5842] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5842] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5842] close(4) = 0 [pid 5842] rmdir("./33/bus") = 0 [pid 5842] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5842] close(3) = 0 [pid 5842] rmdir("./33") = 0 [pid 5842] mkdir("./34", 0777) = 0 [pid 5842] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5842] ioctl(3, LOOP_CLR_FD) = 0 [pid 5842] close(3 [pid 6027] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 6027] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 6027] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 6027] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 6027] exit_group(0) = ? [pid 6027] +++ exited with 0 +++ [pid 5845] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6027, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 5845] umount2("./33", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5845] openat(AT_FDCWD, "./33", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5842] <... close resumed>) = 0 [pid 5845] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5845] getdents64(3, ./strace-static-x86_64: Process 6028 attached 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5842] <... clone resumed>, child_tidptr=0x55557f708650) = 6028 [pid 5845] umount2("./33/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5845] newfstatat(AT_FDCWD, "./33/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6028] set_robust_list(0x55557f708660, 24 [pid 5845] unlink("./33/binderfs") = 0 [pid 6028] <... set_robust_list resumed>) = 0 [pid 6028] chdir("./34" [pid 5845] umount2("./33/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6028] <... chdir resumed>) = 0 [pid 5845] <... umount2 resumed>) = 0 [pid 6028] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6028] setpgid(0, 0) = 0 [pid 6028] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5845] umount2("./33/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6028] <... openat resumed>) = 3 [pid 5845] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6028] write(3, "1000", 4 [pid 5845] newfstatat(AT_FDCWD, "./33/bus", [pid 6028] <... write resumed>) = 4 [pid 5845] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6028] close(3 [pid 6023] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 6028] <... close resumed>) = 0 [pid 5845] umount2("./33/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6028] symlink("/dev/binderfs", "./binderfs" [pid 5845] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5845] openat(AT_FDCWD, "./33/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6023] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5845] <... openat resumed>) = 4 [pid 6023] rename(NULL, NULL [pid 6028] <... symlink resumed>) = 0 [pid 6023] <... rename resumed>) = -1 EFAULT (Bad address) [pid 6028] write(1, "executing program\n", 18 [pid 6023] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5845] newfstatat(4, "", [pid 6023] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6023] exit_group(0 [pid 5845] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6023] <... exit_group resumed>) = ? executing program [pid 5845] getdents64(4, [pid 6028] <... write resumed>) = 18 [pid 5845] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5845] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5845] close(4) = 0 [pid 6028] memfd_create("syzkaller", 0 [pid 5845] rmdir("./33/bus" [pid 6023] +++ exited with 0 +++ [pid 5845] <... rmdir resumed>) = 0 [pid 5845] getdents64(3, [pid 5843] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6023, si_uid=0, si_status=0, si_utime=0, si_stime=25 /* 0.25 s */} --- [pid 5845] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5843] restart_syscall(<... resuming interrupted clone ...> [pid 5845] close(3) = 0 [pid 5845] rmdir("./33" [pid 6028] <... memfd_create resumed>) = 3 [pid 5845] <... rmdir resumed>) = 0 [pid 5843] <... restart_syscall resumed>) = 0 [pid 6028] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6025] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5845] mkdir("./34", 0777 [pid 6025] sched_setaffinity(0, 0, NULL [pid 6028] <... mmap resumed>) = 0x7f8e0a400000 [pid 5845] <... mkdir resumed>) = 0 [pid 5845] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5843] umount2("./31", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5845] <... openat resumed>) = 3 [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] openat(AT_FDCWD, "./31", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5843] newfstatat(3, "", [pid 5845] ioctl(3, LOOP_CLR_FD [pid 5843] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5845] <... ioctl resumed>) = 0 [pid 5843] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5845] close(3 [pid 5843] umount2("./31/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6025] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 6025] rename(NULL, NULL [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] newfstatat(AT_FDCWD, "./31/binderfs", [pid 6025] <... rename resumed>) = -1 EFAULT (Bad address) [pid 6025] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 5843] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] unlink("./31/binderfs" [pid 6025] exit_group(0 [pid 5843] <... unlink resumed>) = 0 [pid 5843] umount2("./31/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6025] <... exit_group resumed>) = ? [pid 5843] <... umount2 resumed>) = 0 [pid 5843] umount2("./31/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5843] newfstatat(AT_FDCWD, "./31/bus", [pid 6025] +++ exited with 0 +++ [pid 5843] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] umount2("./31/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6025, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5844] restart_syscall(<... resuming interrupted clone ...> [pid 5843] openat(AT_FDCWD, "./31/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5843] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5843] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5843] getdents64(4, [pid 5844] <... restart_syscall resumed>) = 0 [pid 5843] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5843] close(4) = 0 [pid 5843] rmdir("./31/bus") = 0 [pid 5844] umount2("./34", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6028] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6026] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5844] openat(AT_FDCWD, "./34", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5843] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5843] close(3 [pid 5844] <... openat resumed>) = 3 [pid 5843] <... close resumed>) = 0 [pid 5843] rmdir("./31" [pid 5844] newfstatat(3, "", [pid 5843] <... rmdir resumed>) = 0 [pid 5844] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5844] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5844] umount2("./34/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5843] mkdir("./32", 0777 [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] <... mkdir resumed>) = 0 [pid 6026] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5844] newfstatat(AT_FDCWD, "./34/binderfs", [pid 5843] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6026] rename(NULL, NULL [pid 5844] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] <... openat resumed>) = 3 [pid 6026] <... rename resumed>) = -1 EFAULT (Bad address) [pid 6026] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5844] unlink("./34/binderfs" [pid 5843] ioctl(3, LOOP_CLR_FD [pid 6026] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5844] <... unlink resumed>) = 0 [pid 5843] <... ioctl resumed>) = 0 [pid 6026] exit_group(0 [pid 5845] <... close resumed>) = 0 [pid 5843] close(3 [pid 5844] umount2("./34/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6026] <... exit_group resumed>) = ? [pid 6026] +++ exited with 0 +++ [pid 5844] <... umount2 resumed>) = 0 [pid 6028] <... write resumed>) = 2097152 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6026, si_uid=0, si_status=0, si_utime=0, si_stime=28 /* 0.28 s */} --- [pid 5845] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5846] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5846] umount2("./34", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] umount2("./34/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] newfstatat(AT_FDCWD, "./34/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5846] openat(AT_FDCWD, "./34", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5844] umount2("./34/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5846] <... openat resumed>) = 3 [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5846] newfstatat(3, "", [pid 5844] openat(AT_FDCWD, "./34/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5846] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5844] <... openat resumed>) = 4 [pid 5846] getdents64(3, [pid 5844] newfstatat(4, "", [pid 6028] munmap(0x7f8e0a400000, 138412032 [pid 5846] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5844] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5846] umount2("./34/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5844] getdents64(4, [pid 5846] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5844] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5846] newfstatat(AT_FDCWD, "./34/binderfs", [pid 5844] getdents64(4, [pid 5846] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5846] unlink("./34/binderfs" [pid 5844] close(4 [pid 5846] <... unlink resumed>) = 0 [pid 5844] <... close resumed>) = 0 [pid 5846] umount2("./34/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5844] rmdir("./34/bus"./strace-static-x86_64: Process 6029 attached ) = 0 [pid 6029] set_robust_list(0x55557f708660, 24 [pid 5844] getdents64(3, [pid 6029] <... set_robust_list resumed>) = 0 [pid 5844] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 6029] chdir("./34" [pid 5844] close(3 [pid 6029] <... chdir resumed>) = 0 [pid 5844] <... close resumed>) = 0 [pid 5845] <... clone resumed>, child_tidptr=0x55557f708650) = 6029 [pid 5844] rmdir("./34") = 0 [pid 5844] mkdir("./35", 0777 [pid 6029] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6028] <... munmap resumed>) = 0 [pid 5844] <... mkdir resumed>) = 0 [pid 5843] <... close resumed>) = 0 [pid 6029] <... prctl resumed>) = 0 [pid 5844] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6029] setpgid(0, 0 [pid 6028] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5844] <... openat resumed>) = 3 [pid 6029] <... setpgid resumed>) = 0 [pid 5844] ioctl(3, LOOP_CLR_FD [pid 6029] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6028] <... openat resumed>) = 4 [pid 5844] <... ioctl resumed>) = 0 [pid 6029] <... openat resumed>) = 3 [pid 6028] ioctl(4, LOOP_SET_FD, 3 [pid 5846] <... umount2 resumed>) = 0 [pid 5844] close(3 [pid 6029] write(3, "1000", 4 [pid 5846] umount2("./34/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6029] <... write resumed>) = 4 [pid 5846] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6029] close(3) = 0 [pid 5846] newfstatat(AT_FDCWD, "./34/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6029] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6028] <... ioctl resumed>) = 0 [pid 5846] umount2("./34/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5846] openat(AT_FDCWD, "./34/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5846] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5846] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5846] getdents64(4, [pid 6029] write(1, "executing program\n", 18 [pid 5846] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 6029] <... write resumed>) = 18 [pid 5846] close(4 [pid 6029] memfd_create("syzkaller", 0 [pid 5846] <... close resumed>) = 0 [pid 5843] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6028] close(3 [pid 6029] <... memfd_create resumed>) = 3 [pid 6028] <... close resumed>) = 0 [pid 5846] rmdir("./34/bus" [pid 6029] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6028] close(4./strace-static-x86_64: Process 6030 attached ) = 0 [pid 5846] <... rmdir resumed>) = 0 [pid 5843] <... clone resumed>, child_tidptr=0x55557f708650) = 6030 [pid 6028] mkdir("./bus", 0777 [pid 5846] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5846] close(3 [pid 6030] set_robust_list(0x55557f708660, 24 [pid 5846] <... close resumed>) = 0 [pid 5846] rmdir("./34" [pid 6030] <... set_robust_list resumed>) = 0 [pid 6028] <... mkdir resumed>) = 0 executing program [pid 5846] <... rmdir resumed>) = 0 [pid 6028] mount("/dev/loop0", "./bus", "ntfs3", 0, "" [pid 6030] chdir("./32") = 0 [pid 5846] mkdir("./35", 0777 [pid 6030] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5846] <... mkdir resumed>) = 0 [pid 6030] <... prctl resumed>) = 0 [pid 6030] setpgid(0, 0) = 0 [pid 6030] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6029] <... mmap resumed>) = 0x7f8e0a400000 [pid 5846] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5846] ioctl(3, LOOP_CLR_FD) = 0 [pid 5846] close(3 [pid 6030] <... openat resumed>) = 3 [pid 5844] <... close resumed>) = 0 [pid 6030] write(3, "1000", 4) = 4 [pid 6030] close(3) = 0 [pid 6030] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6030] write(1, "executing program\n", 18) = 18 [ 128.648473][ T6028] loop0: detected capacity change from 0 to 4096 [pid 6030] memfd_create("syzkaller", 0./strace-static-x86_64: Process 6031 attached ) = 3 [pid 5846] <... close resumed>) = 0 [pid 6031] set_robust_list(0x55557f708660, 24 [pid 6030] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5844] <... clone resumed>, child_tidptr=0x55557f708650) = 6031 [pid 6031] <... set_robust_list resumed>) = 0 [pid 6030] <... mmap resumed>) = 0x7f8e0a400000 ./strace-static-x86_64: Process 6032 attached [pid 6031] chdir("./35") = 0 [pid 6031] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5846] <... clone resumed>, child_tidptr=0x55557f708650) = 6032 [pid 6031] setpgid(0, 0executing program [pid 6032] set_robust_list(0x55557f708660, 24 [pid 6031] <... setpgid resumed>) = 0 [pid 6032] <... set_robust_list resumed>) = 0 [pid 6031] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6032] chdir("./35" [pid 6031] <... openat resumed>) = 3 [pid 6032] <... chdir resumed>) = 0 [pid 6031] write(3, "1000", 4 [pid 6032] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6031] <... write resumed>) = 4 [pid 6032] <... prctl resumed>) = 0 [pid 6031] close(3 [pid 6032] setpgid(0, 0 [pid 6031] <... close resumed>) = 0 [pid 6032] <... setpgid resumed>) = 0 [pid 6031] symlink("/dev/binderfs", "./binderfs" [pid 6032] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6031] <... symlink resumed>) = 0 [pid 6032] <... openat resumed>) = 3 [pid 6031] write(1, "executing program\n", 18) = 18 [pid 6032] write(3, "1000", 4 [pid 6031] memfd_create("syzkaller", 0 [pid 6032] <... write resumed>) = 4 [pid 6032] close(3 [pid 6031] <... memfd_create resumed>) = 3 [pid 6032] <... close resumed>) = 0 [pid 6031] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6032] symlink("/dev/binderfs", "./binderfs" [pid 6031] <... mmap resumed>) = 0x7f8e0a400000 [pid 6032] <... symlink resumed>) = 0 [pid 6032] write(1, "executing program\n", 18 [pid 6029] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6028] <... mount resumed>) = 0 [pid 6028] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORYexecuting program [pid 6032] <... write resumed>) = 18 [pid 6030] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6028] <... openat resumed>) = 3 [pid 6032] memfd_create("syzkaller", 0 [pid 6028] chdir("./bus" [pid 6032] <... memfd_create resumed>) = 3 [pid 6028] <... chdir resumed>) = 0 [pid 6032] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 [pid 6028] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6028] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 6028] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 6028] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 6028] read(4, [pid 6030] <... write resumed>) = 2097152 [pid 6029] <... write resumed>) = 2097152 [pid 6031] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6029] munmap(0x7f8e0a400000, 138412032 [pid 6032] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6030] munmap(0x7f8e0a400000, 138412032 [pid 6029] <... munmap resumed>) = 0 [pid 6029] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6030] <... munmap resumed>) = 0 [pid 6029] <... openat resumed>) = 4 [pid 6030] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 6029] ioctl(4, LOOP_SET_FD, 3 [pid 6030] ioctl(4, LOOP_SET_FD, 3 [pid 6029] <... ioctl resumed>) = 0 [pid 6029] close(3) = 0 [pid 6029] close(4) = 0 [pid 6029] mkdir("./bus", 0777 [pid 6031] <... write resumed>) = 2097152 [pid 6030] <... ioctl resumed>) = 0 [pid 6029] <... mkdir resumed>) = 0 [pid 6031] munmap(0x7f8e0a400000, 138412032 [pid 6030] close(3 [pid 6029] mount("/dev/loop3", "./bus", "ntfs3", 0, "" [pid 6030] <... close resumed>) = 0 [pid 6030] close(4) = 0 [pid 6030] mkdir("./bus", 0777) = 0 [pid 6032] <... write resumed>) = 2097152 [pid 6030] mount("/dev/loop1", "./bus", "ntfs3", 0, "" [pid 6032] munmap(0x7f8e0a400000, 138412032 [pid 6031] <... munmap resumed>) = 0 [pid 6032] <... munmap resumed>) = 0 [pid 6031] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6032] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6031] <... openat resumed>) = 4 [pid 6032] <... openat resumed>) = 4 [ 128.888619][ T6029] loop3: detected capacity change from 0 to 4096 [ 128.889121][ T6030] loop1: detected capacity change from 0 to 4096 [pid 6031] ioctl(4, LOOP_SET_FD, 3 [pid 6032] ioctl(4, LOOP_SET_FD, 3 [pid 6028] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 6028] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 6028] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 6028] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 6028] exit_group(0) = ? [pid 6028] +++ exited with 0 +++ [pid 6032] <... ioctl resumed>) = 0 [pid 6031] <... ioctl resumed>) = 0 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6028, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=13 /* 0.13 s */} --- [pid 6032] close(3 [pid 6031] close(3 [pid 6030] <... mount resumed>) = 0 [pid 5842] umount2("./34", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6032] <... close resumed>) = 0 [pid 6031] <... close resumed>) = 0 [pid 6030] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6032] close(4 [pid 6031] close(4 [pid 6030] <... openat resumed>) = 3 [pid 5842] openat(AT_FDCWD, "./34", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6032] <... close resumed>) = 0 [pid 6031] <... close resumed>) = 0 [pid 6030] chdir("./bus" [pid 5842] <... openat resumed>) = 3 [pid 6032] mkdir("./bus", 0777 [pid 6031] mkdir("./bus", 0777 [pid 5842] newfstatat(3, "", [pid 6030] <... chdir resumed>) = 0 [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6031] <... mkdir resumed>) = 0 [pid 6030] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6029] <... mount resumed>) = 0 [pid 5842] getdents64(3, [pid 6030] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6029] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5842] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5842] umount2("./34/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./34/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] unlink("./34/binderfs") = 0 [pid 5842] umount2("./34/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6031] mount("/dev/loop2", "./bus", "ntfs3", 0, "" [pid 6030] sched_setaffinity(0, 0, NULL [pid 6029] <... openat resumed>) = 3 [pid 6030] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 6030] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 6029] chdir("./bus" [pid 6030] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6029] <... chdir resumed>) = 0 [pid 6029] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6030] <... openat resumed>) = 4 [pid 6029] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5842] <... umount2 resumed>) = 0 [pid 6032] <... mkdir resumed>) = 0 [pid 6030] read(4, [pid 6029] sched_setaffinity(0, 0, NULL [pid 5842] umount2("./34/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6032] mount("/dev/loop4", "./bus", "ntfs3", 0, "" [pid 6029] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6029] sched_setscheduler(0, SCHED_RR, NULL [pid 5842] newfstatat(AT_FDCWD, "./34/bus", [pid 6029] <... sched_setscheduler resumed>) = -1 EINVAL (Invalid argument) [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6029] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5842] umount2("./34/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6029] <... openat resumed>) = 4 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] openat(AT_FDCWD, "./34/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 6029] read(4, [pid 5842] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [ 128.940056][ T6031] loop2: detected capacity change from 0 to 4096 [ 128.948174][ T6032] loop4: detected capacity change from 0 to 4096 [pid 5842] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5842] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5842] close(4) = 0 [pid 5842] rmdir("./34/bus") = 0 [pid 5842] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5842] close(3) = 0 [pid 5842] rmdir("./34") = 0 [pid 5842] mkdir("./35", 0777) = 0 [pid 6031] <... mount resumed>) = 0 [pid 5842] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5842] ioctl(3, LOOP_CLR_FD) = 0 [pid 5842] close(3 [pid 6031] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6031] chdir("./bus") = 0 [pid 6031] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6032] <... mount resumed>) = 0 [pid 6031] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6032] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6031] sched_setaffinity(0, 0, NULL [pid 6032] <... openat resumed>) = 3 [pid 6031] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 6032] chdir("./bus" [pid 6031] sched_setscheduler(0, SCHED_RR, NULL [pid 6032] <... chdir resumed>) = 0 [pid 6031] <... sched_setscheduler resumed>) = -1 EINVAL (Invalid argument) [pid 6032] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6031] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6032] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6031] <... openat resumed>) = 4 [pid 6031] read(4, [pid 6032] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 6032] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 6032] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 6032] read(4, [pid 5842] <... close resumed>) = 0 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557f708650) = 6033 ./strace-static-x86_64: Process 6033 attached [pid 6033] set_robust_list(0x55557f708660, 24) = 0 [pid 6033] chdir("./35") = 0 [pid 6033] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6033] setpgid(0, 0) = 0 [pid 6033] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6033] write(3, "1000", 4) = 4 [pid 6033] close(3) = 0 [pid 6033] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6033] write(1, "executing program\n", 18) = 18 [pid 6033] memfd_create("syzkaller", 0) = 3 [pid 6033] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 [pid 6033] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 6033] munmap(0x7f8e0a400000, 138412032) = 0 [pid 6033] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 6033] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6032] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 6033] close(3 [pid 6032] sched_setaffinity(0, 0, NULL [pid 6033] <... close resumed>) = 0 [pid 6033] close(4 [pid 6032] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 6033] <... close resumed>) = 0 [pid 6032] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 6033] mkdir("./bus", 0777) = 0 [pid 6032] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 6032] exit_group(0) = ? [pid 6032] +++ exited with 0 +++ [pid 6033] mount("/dev/loop0", "./bus", "ntfs3", 0, "" [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6032, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 6029] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 6029] sched_setaffinity(0, 0, NULL [pid 5846] umount2("./35", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5846] openat(AT_FDCWD, "./35", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5846] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5846] getdents64(3, [pid 6029] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 6029] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 5846] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 6029] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5846] umount2("./35/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6029] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5846] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6029] exit_group(0) = ? [pid 5846] newfstatat(AT_FDCWD, "./35/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5846] unlink("./35/binderfs") = 0 [ 129.567636][ T6033] loop0: detected capacity change from 0 to 4096 [pid 5846] umount2("./35/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6029] +++ exited with 0 +++ [pid 5846] <... umount2 resumed>) = 0 [pid 5845] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6029, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [pid 5845] umount2("./34", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5845] openat(AT_FDCWD, "./34", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5846] umount2("./35/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5845] <... openat resumed>) = 3 [pid 5846] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5846] newfstatat(AT_FDCWD, "./35/bus", [pid 5845] newfstatat(3, "", [pid 5846] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5845] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5846] umount2("./35/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5845] getdents64(3, [pid 5846] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5845] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5846] openat(AT_FDCWD, "./35/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5845] umount2("./34/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5846] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5845] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5846] getdents64(4, [pid 5845] newfstatat(AT_FDCWD, "./34/binderfs", [pid 5846] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5845] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5846] getdents64(4, [pid 5845] unlink("./34/binderfs" [pid 5846] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5845] <... unlink resumed>) = 0 [pid 5846] close(4) = 0 [pid 5845] umount2("./34/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5846] rmdir("./35/bus") = 0 [pid 5846] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5846] close(3) = 0 [pid 5846] rmdir("./35") = 0 [pid 6033] <... mount resumed>) = 0 [pid 5846] mkdir("./36", 0777 [pid 5845] <... umount2 resumed>) = 0 [pid 6033] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6033] chdir("./bus") = 0 [pid 6033] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5846] <... mkdir resumed>) = 0 [pid 5845] umount2("./34/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6033] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6033] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 6033] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 6033] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 6033] read(4, [pid 6030] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5846] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5845] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6030] sched_setaffinity(0, 0, NULL [pid 5846] <... openat resumed>) = 3 [pid 5845] newfstatat(AT_FDCWD, "./34/bus", [pid 5846] ioctl(3, LOOP_CLR_FD [pid 5845] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5846] <... ioctl resumed>) = 0 [pid 5845] umount2("./34/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5846] close(3 [pid 5845] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6030] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 6030] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 6030] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 6030] exit_group(0) = ? [pid 6030] +++ exited with 0 +++ [pid 5845] openat(AT_FDCWD, "./34/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5843] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6030, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=18 /* 0.18 s */} --- [pid 5845] <... openat resumed>) = 4 [pid 5843] restart_syscall(<... resuming interrupted clone ...> [pid 5845] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5845] getdents64(4, [pid 5843] <... restart_syscall resumed>) = 0 [pid 5843] umount2("./32", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5843] openat(AT_FDCWD, "./32", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5843] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5845] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5843] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5845] getdents64(4, [pid 5843] umount2("./32/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5845] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5845] close(4 [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] newfstatat(AT_FDCWD, "./32/binderfs", [pid 5845] <... close resumed>) = 0 [pid 5843] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5845] rmdir("./34/bus" [pid 5843] unlink("./32/binderfs") = 0 [pid 5843] umount2("./32/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5845] <... rmdir resumed>) = 0 [pid 5843] <... umount2 resumed>) = 0 [pid 5845] getdents64(3, [pid 5843] umount2("./32/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5843] newfstatat(AT_FDCWD, "./32/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] umount2("./32/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5843] openat(AT_FDCWD, "./32/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5845] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5843] <... openat resumed>) = 4 [pid 5845] close(3) = 0 [pid 5843] newfstatat(4, "", [pid 5845] rmdir("./34" [pid 5846] <... close resumed>) = 0 [pid 5845] <... rmdir resumed>) = 0 [pid 5843] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5843] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5843] getdents64(4, ./strace-static-x86_64: Process 6034 attached [pid 5845] mkdir("./35", 0777 [pid 5843] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5843] close(4 [pid 6034] set_robust_list(0x55557f708660, 24 [pid 5843] <... close resumed>) = 0 [pid 6034] <... set_robust_list resumed>) = 0 [pid 5845] <... mkdir resumed>) = 0 [pid 5843] rmdir("./32/bus") = 0 [pid 5843] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5843] close(3) = 0 [pid 5843] rmdir("./32" [pid 6034] chdir("./36" [pid 5846] <... clone resumed>, child_tidptr=0x55557f708650) = 6034 [pid 5845] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5845] ioctl(3, LOOP_CLR_FD [pid 6034] <... chdir resumed>) = 0 [pid 5845] <... ioctl resumed>) = 0 [pid 5843] <... rmdir resumed>) = 0 [pid 6034] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5843] mkdir("./33", 0777 [pid 6034] setpgid(0, 0 [pid 5845] close(3 [pid 5843] <... mkdir resumed>) = 0 [pid 6034] <... setpgid resumed>) = 0 [pid 5843] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5843] ioctl(3, LOOP_CLR_FD [pid 6034] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5843] <... ioctl resumed>) = 0 [pid 5843] close(3 [pid 6034] <... openat resumed>) = 3 [pid 6034] write(3, "1000", 4) = 4 [pid 6034] close(3 [pid 5845] <... close resumed>) = 0 [pid 6034] <... close resumed>) = 0 [pid 6034] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5845] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6034] write(1, "executing program\n", 18./strace-static-x86_64: Process 6035 attached executing program [pid 6035] set_robust_list(0x55557f708660, 24 [pid 6034] <... write resumed>) = 18 [pid 5845] <... clone resumed>, child_tidptr=0x55557f708650) = 6035 [pid 6035] <... set_robust_list resumed>) = 0 [pid 6034] memfd_create("syzkaller", 0 [pid 6035] chdir("./35" [pid 6034] <... memfd_create resumed>) = 3 [pid 6035] <... chdir resumed>) = 0 [pid 6034] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6035] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6034] <... mmap resumed>) = 0x7f8e0a400000 [pid 5843] <... close resumed>) = 0 [pid 5843] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6035] setpgid(0, 0./strace-static-x86_64: Process 6036 attached ) = 0 [pid 6036] set_robust_list(0x55557f708660, 24) = 0 [pid 6036] chdir("./33" [pid 6035] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6036] <... chdir resumed>) = 0 [pid 6036] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6036] setpgid(0, 0) = 0 [pid 6036] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6036] write(3, "1000", 4 [pid 6035] <... openat resumed>) = 3 [pid 5843] <... clone resumed>, child_tidptr=0x55557f708650) = 6036 [pid 6036] <... write resumed>) = 4 [pid 6036] close(3) = 0 [pid 6036] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6036] write(1, "executing program\n", 18executing program ) = 18 [pid 6036] memfd_create("syzkaller", 0 [pid 6035] write(3, "1000", 4) = 4 [pid 6035] close(3) = 0 [pid 6035] symlink("/dev/binderfs", "./binderfs" [pid 6036] <... memfd_create resumed>) = 3 [pid 6036] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 [pid 6035] <... symlink resumed>) = 0 executing program [pid 6035] write(1, "executing program\n", 18) = 18 [pid 6035] memfd_create("syzkaller", 0) = 3 [pid 6035] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 [pid 6033] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 6033] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 6033] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 6033] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 6033] exit_group(0) = ? [pid 6033] +++ exited with 0 +++ [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6033, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 5842] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5842] umount2("./35", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] openat(AT_FDCWD, "./35", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5842] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5842] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5842] umount2("./35/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./35/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] unlink("./35/binderfs") = 0 [pid 5842] umount2("./35/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6034] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5842] <... umount2 resumed>) = 0 [pid 5842] umount2("./35/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./35/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] umount2("./35/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] openat(AT_FDCWD, "./35/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5842] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5842] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5842] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5842] close(4) = 0 [pid 5842] rmdir("./35/bus") = 0 [pid 5842] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5842] close(3) = 0 [pid 5842] rmdir("./35") = 0 [pid 6036] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5842] mkdir("./36", 0777) = 0 [pid 6035] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5842] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6034] <... write resumed>) = 2097152 [pid 6034] munmap(0x7f8e0a400000, 138412032 [pid 5842] <... openat resumed>) = 3 [pid 5842] ioctl(3, LOOP_CLR_FD) = 0 [pid 6034] <... munmap resumed>) = 0 [pid 5842] close(3 [pid 6034] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 6034] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6034] close(3 [pid 6036] <... write resumed>) = 2097152 [pid 6034] <... close resumed>) = 0 [pid 6034] close(4) = 0 [pid 6034] mkdir("./bus", 0777) = 0 [pid 6034] mount("/dev/loop4", "./bus", "ntfs3", 0, "" [pid 6035] <... write resumed>) = 2097152 [pid 5842] <... close resumed>) = 0 [pid 6036] munmap(0x7f8e0a400000, 138412032) = 0 [pid 6035] munmap(0x7f8e0a400000, 138412032 [ 130.075651][ T6034] loop4: detected capacity change from 0 to 4096 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6034] <... mount resumed>) = 0 ./strace-static-x86_64: Process 6037 attached [pid 6036] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6035] <... munmap resumed>) = 0 [pid 6031] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 6036] <... openat resumed>) = 4 [pid 6035] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5842] <... clone resumed>, child_tidptr=0x55557f708650) = 6037 [pid 6037] set_robust_list(0x55557f708660, 24 [pid 6036] ioctl(4, LOOP_SET_FD, 3 [pid 6035] <... openat resumed>) = 4 [pid 6034] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6031] sched_setaffinity(0, 0, NULL [pid 6037] <... set_robust_list resumed>) = 0 [pid 6031] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 6031] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 6031] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 6031] exit_group(0) = ? [pid 6037] chdir("./36" [pid 6036] <... ioctl resumed>) = 0 [pid 6035] ioctl(4, LOOP_SET_FD, 3 [pid 6034] <... openat resumed>) = 3 [pid 6031] +++ exited with 0 +++ [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6031, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=22 /* 0.22 s */} --- [pid 5844] restart_syscall(<... resuming interrupted clone ...> [pid 6037] <... chdir resumed>) = 0 [pid 6036] close(3 [pid 6035] <... ioctl resumed>) = 0 [pid 6034] chdir("./bus" [pid 5844] <... restart_syscall resumed>) = 0 [pid 5844] umount2("./35", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] openat(AT_FDCWD, "./35", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5844] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5844] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 6037] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6036] <... close resumed>) = 0 [pid 6035] close(3 [pid 6034] <... chdir resumed>) = 0 [pid 5844] umount2("./35/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6036] close(4 [pid 6034] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6035] <... close resumed>) = 0 [pid 6037] <... prctl resumed>) = 0 [pid 6036] <... close resumed>) = 0 [pid 5844] newfstatat(AT_FDCWD, "./35/binderfs", [pid 6037] setpgid(0, 0 [pid 6036] mkdir("./bus", 0777 [pid 6035] close(4 [pid 6034] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5844] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6037] <... setpgid resumed>) = 0 [pid 6036] <... mkdir resumed>) = 0 [pid 6035] <... close resumed>) = 0 [pid 6034] sched_setaffinity(0, 0, NULL [pid 5844] unlink("./35/binderfs" [pid 6037] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6036] mount("/dev/loop1", "./bus", "ntfs3", 0, "" [pid 6035] mkdir("./bus", 0777 [pid 6034] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5844] <... unlink resumed>) = 0 [pid 5844] umount2("./35/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6035] <... mkdir resumed>) = 0 [pid 6034] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 6035] mount("/dev/loop3", "./bus", "ntfs3", 0, "" [pid 6037] <... openat resumed>) = 3 [pid 6034] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 6034] read(4, [pid 6037] write(3, "1000", 4 [pid 5844] <... umount2 resumed>) = 0 [pid 6037] <... write resumed>) = 4 [pid 6037] close(3) = 0 [ 130.155973][ T6036] loop1: detected capacity change from 0 to 4096 [ 130.166842][ T6035] loop3: detected capacity change from 0 to 4096 [pid 6037] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6037] write(1, "executing program\n", 18executing program ) = 18 [pid 5844] umount2("./35/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] newfstatat(AT_FDCWD, "./35/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] umount2("./35/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] openat(AT_FDCWD, "./35/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6037] memfd_create("syzkaller", 0) = 3 [pid 5844] <... openat resumed>) = 4 [pid 6037] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5844] newfstatat(4, "", [pid 6037] <... mmap resumed>) = 0x7f8e0a400000 [pid 5844] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5844] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5844] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5844] close(4) = 0 [pid 5844] rmdir("./35/bus") = 0 [pid 5844] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5844] close(3) = 0 [pid 5844] rmdir("./35") = 0 [pid 5844] mkdir("./36", 0777) = 0 [pid 5844] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5844] ioctl(3, LOOP_CLR_FD) = 0 [pid 5844] close(3 [pid 6035] <... mount resumed>) = 0 [pid 6035] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6035] chdir("./bus") = 0 [pid 6035] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6035] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 6035] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 6035] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 6035] read(4, [pid 6037] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6036] <... mount resumed>) = 0 [pid 5844] <... close resumed>) = 0 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6036] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5844] <... clone resumed>, child_tidptr=0x55557f708650) = 6038 ./strace-static-x86_64: Process 6038 attached [pid 6036] chdir("./bus" [pid 6038] set_robust_list(0x55557f708660, 24 [pid 6036] <... chdir resumed>) = 0 [pid 6036] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6036] sched_setaffinity(0, 0, NULL [pid 6038] <... set_robust_list resumed>) = 0 [pid 6036] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 6038] chdir("./36" [pid 6036] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 6036] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 6038] <... chdir resumed>) = 0 [pid 6036] read(4, [pid 6038] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6038] setpgid(0, 0) = 0 [pid 6038] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6038] write(3, "1000", 4) = 4 [pid 6038] close(3) = 0 [pid 6037] <... write resumed>) = 2097152 [pid 6038] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6038] write(1, "executing program\n", 18executing program ) = 18 [pid 6038] memfd_create("syzkaller", 0) = 3 [pid 6038] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 [pid 6037] munmap(0x7f8e0a400000, 138412032) = 0 [pid 6037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 6037] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6034] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 6037] close(3 [pid 6034] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 6034] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 6034] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 6034] exit_group(0 [pid 6037] <... close resumed>) = 0 [pid 6034] <... exit_group resumed>) = ? [pid 6037] close(4 [pid 6034] +++ exited with 0 +++ [pid 6037] <... close resumed>) = 0 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6034, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 6037] mkdir("./bus", 0777 [pid 5846] restart_syscall(<... resuming interrupted clone ...> [pid 6037] <... mkdir resumed>) = 0 [pid 5846] <... restart_syscall resumed>) = 0 [pid 6038] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5846] umount2("./36", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6037] mount("/dev/loop0", "./bus", "ntfs3", 0, "" [pid 5846] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5846] openat(AT_FDCWD, "./36", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5846] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5846] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5846] umount2("./36/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5846] newfstatat(AT_FDCWD, "./36/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5846] unlink("./36/binderfs") = 0 [ 130.458333][ T6037] loop0: detected capacity change from 0 to 4096 [pid 5846] umount2("./36/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 5846] umount2("./36/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5846] newfstatat(AT_FDCWD, "./36/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5846] umount2("./36/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5846] openat(AT_FDCWD, "./36/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5846] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5846] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5846] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5846] close(4) = 0 [pid 5846] rmdir("./36/bus") = 0 [pid 6038] <... write resumed>) = 2097152 [pid 5846] getdents64(3, [pid 6038] munmap(0x7f8e0a400000, 138412032 [pid 6037] <... mount resumed>) = 0 [pid 5846] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5846] close(3) = 0 [pid 6037] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5846] rmdir("./36" [pid 6037] <... openat resumed>) = 3 [pid 5846] <... rmdir resumed>) = 0 [pid 6037] chdir("./bus") = 0 [pid 5846] mkdir("./37", 0777 [pid 6037] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5846] <... mkdir resumed>) = 0 [pid 6037] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6037] sched_setaffinity(0, 0, NULL [pid 5846] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6037] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5846] <... openat resumed>) = 3 [pid 6037] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5846] ioctl(3, LOOP_CLR_FD [pid 6037] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5846] <... ioctl resumed>) = 0 [pid 6037] <... openat resumed>) = 4 [pid 5846] close(3 [pid 6038] <... munmap resumed>) = 0 [pid 6037] read(4, [pid 6036] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 6038] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 6036] sched_setaffinity(0, 0, NULL [pid 5846] <... close resumed>) = 0 [pid 6038] ioctl(4, LOOP_SET_FD, 3 [pid 6036] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6036] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 6036] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000./strace-static-x86_64: Process 6039 attached ) = -1 EFAULT (Bad address) [pid 6039] set_robust_list(0x55557f708660, 24) = 0 [pid 6039] chdir("./37") = 0 [pid 6039] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6039] setpgid(0, 0) = 0 [pid 6039] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6036] exit_group(0 [pid 6039] <... openat resumed>) = 3 [pid 6038] <... ioctl resumed>) = 0 [pid 6036] <... exit_group resumed>) = ? [pid 5846] <... clone resumed>, child_tidptr=0x55557f708650) = 6039 [pid 6039] write(3, "1000", 4) = 4 [pid 6039] close(3) = 0 [pid 6039] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6038] close(3) = 0 [pid 6038] close(4) = 0 [pid 6038] mkdir("./bus", 0777 [pid 6036] +++ exited with 0 +++ [ 130.599204][ T6038] loop2: detected capacity change from 0 to 4096 executing program [pid 5843] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6036, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=10 /* 0.10 s */} --- [pid 5843] restart_syscall(<... resuming interrupted clone ...> [pid 6039] write(1, "executing program\n", 18) = 18 [pid 6038] <... mkdir resumed>) = 0 [pid 6039] memfd_create("syzkaller", 0 [pid 6038] mount("/dev/loop2", "./bus", "ntfs3", 0, "" [pid 5843] <... restart_syscall resumed>) = 0 [pid 6039] <... memfd_create resumed>) = 3 [pid 5843] umount2("./33", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6039] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6039] <... mmap resumed>) = 0x7f8e0a400000 [pid 5843] openat(AT_FDCWD, "./33", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5843] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5843] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5843] umount2("./33/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5843] newfstatat(AT_FDCWD, "./33/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] unlink("./33/binderfs") = 0 [pid 5843] umount2("./33/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 5843] umount2("./33/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5843] newfstatat(AT_FDCWD, "./33/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] umount2("./33/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5843] openat(AT_FDCWD, "./33/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5843] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5843] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5843] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5843] close(4) = 0 [pid 5843] rmdir("./33/bus" [pid 6039] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5843] <... rmdir resumed>) = 0 [pid 5843] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5843] close(3) = 0 [pid 5843] rmdir("./33") = 0 [pid 5843] mkdir("./34", 0777) = 0 [pid 5843] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5843] ioctl(3, LOOP_CLR_FD) = 0 [pid 5843] close(3 [pid 6038] <... mount resumed>) = 0 [pid 6038] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5843] <... close resumed>) = 0 [pid 6039] <... write resumed>) = 2097152 [pid 6038] <... openat resumed>) = 3 [pid 6037] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 6035] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 6039] munmap(0x7f8e0a400000, 138412032 [pid 6038] chdir("./bus" [pid 6037] sched_setaffinity(0, 0, NULL [pid 6035] sched_setaffinity(0, 0, NULL [pid 5843] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6038] <... chdir resumed>) = 0 [pid 6038] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6038] sched_setaffinity(0, 0, NULL [pid 6037] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 6035] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 6038] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 6038] sched_setscheduler(0, SCHED_RR, NULL [pid 6037] rename(NULL, NULL [pid 6035] rename(NULL, NULL [pid 6038] <... sched_setscheduler resumed>) = -1 EINVAL (Invalid argument) [pid 6037] <... rename resumed>) = -1 EFAULT (Bad address) [pid 6035] <... rename resumed>) = -1 EFAULT (Bad address) ./strace-static-x86_64: Process 6040 attached [pid 6038] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6037] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 6035] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5843] <... clone resumed>, child_tidptr=0x55557f708650) = 6040 [pid 6040] set_robust_list(0x55557f708660, 24 [pid 6038] <... openat resumed>) = 4 [pid 6037] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6035] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6040] <... set_robust_list resumed>) = 0 [pid 6038] read(4, [pid 6037] exit_group(0 [pid 6035] exit_group(0 [pid 6040] chdir("./34" [pid 6037] <... exit_group resumed>) = ? [pid 6035] <... exit_group resumed>) = ? [pid 6040] <... chdir resumed>) = 0 [pid 6035] +++ exited with 0 +++ [pid 6040] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6039] <... munmap resumed>) = 0 [pid 6037] +++ exited with 0 +++ [pid 5845] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6035, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 6040] <... prctl resumed>) = 0 [pid 6039] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6040] setpgid(0, 0 [pid 6039] <... openat resumed>) = 4 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6037, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 6040] <... setpgid resumed>) = 0 [pid 6039] ioctl(4, LOOP_SET_FD, 3 [pid 5845] umount2("./35", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] umount2("./36", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6040] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5845] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] openat(AT_FDCWD, "./36", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5845] openat(AT_FDCWD, "./35", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5842] newfstatat(3, "", [pid 5845] <... openat resumed>) = 3 [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5845] newfstatat(3, "", [pid 5842] getdents64(3, [pid 6040] <... openat resumed>) = 3 [pid 5845] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5842] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5845] getdents64(3, [pid 5842] umount2("./36/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5845] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5842] newfstatat(AT_FDCWD, "./36/binderfs", [pid 5845] umount2("./35/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5845] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] unlink("./36/binderfs" [pid 5845] newfstatat(AT_FDCWD, "./35/binderfs", [pid 5842] <... unlink resumed>) = 0 [pid 6040] write(3, "1000", 4 [pid 5845] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] umount2("./36/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6040] <... write resumed>) = 4 [pid 5845] unlink("./35/binderfs" [pid 5842] <... umount2 resumed>) = 0 [pid 6040] close(3 [pid 5845] <... unlink resumed>) = 0 [pid 6040] <... close resumed>) = 0 [pid 6040] symlink("/dev/binderfs", "./binderfs" [pid 5845] umount2("./35/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6040] <... symlink resumed>) = 0 [pid 5845] <... umount2 resumed>) = 0 [pid 5842] umount2("./36/bus", MNT_FORCE|UMOUNT_NOFOLLOWexecuting program [pid 6040] write(1, "executing program\n", 18 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6040] <... write resumed>) = 18 [pid 5842] newfstatat(AT_FDCWD, "./36/bus", [pid 6040] memfd_create("syzkaller", 0 [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] umount2("./36/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] openat(AT_FDCWD, "./36/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5842] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5842] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5845] umount2("./35/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] getdents64(4, [pid 6039] <... ioctl resumed>) = 0 [pid 5845] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 6040] <... memfd_create resumed>) = 3 [pid 6039] close(3 [pid 5845] newfstatat(AT_FDCWD, "./35/bus", [pid 5842] close(4 [pid 6040] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6039] <... close resumed>) = 0 [pid 5845] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] <... close resumed>) = 0 [pid 6040] <... mmap resumed>) = 0x7f8e0a400000 [pid 6039] close(4 [pid 5842] rmdir("./36/bus" [pid 5845] umount2("./35/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6039] <... close resumed>) = 0 [pid 6038] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5845] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 130.883094][ T6039] loop4: detected capacity change from 0 to 4096 [pid 6038] sched_setaffinity(0, 0, NULL [pid 6039] mkdir("./bus", 0777 [pid 5845] openat(AT_FDCWD, "./35/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5842] <... rmdir resumed>) = 0 [pid 5842] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 6039] <... mkdir resumed>) = 0 [pid 6038] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5845] <... openat resumed>) = 4 [pid 5842] close(3 [pid 6038] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 5842] <... close resumed>) = 0 [pid 5842] rmdir("./36" [pid 5845] newfstatat(4, "", [pid 5842] <... rmdir resumed>) = 0 [pid 5845] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5845] getdents64(4, [pid 5842] mkdir("./37", 0777 [pid 5845] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5842] <... mkdir resumed>) = 0 [pid 6039] mount("/dev/loop4", "./bus", "ntfs3", 0, "" [pid 5845] getdents64(4, [pid 6038] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5845] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5842] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6038] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6038] exit_group(0 [pid 5845] close(4 [pid 5842] <... openat resumed>) = 3 [pid 6038] <... exit_group resumed>) = ? [pid 5845] <... close resumed>) = 0 [pid 5842] ioctl(3, LOOP_CLR_FD [pid 5845] rmdir("./35/bus" [pid 5842] <... ioctl resumed>) = 0 [pid 5842] close(3 [pid 6040] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6038] +++ exited with 0 +++ [pid 5845] <... rmdir resumed>) = 0 [pid 5845] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5845] close(3) = 0 [pid 5845] rmdir("./35" [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6038, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=13 /* 0.13 s */} --- [pid 5845] <... rmdir resumed>) = 0 [pid 5845] mkdir("./36", 0777) = 0 [pid 5845] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5845] ioctl(3, LOOP_CLR_FD) = 0 [pid 5845] close(3 [pid 5844] umount2("./36", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] openat(AT_FDCWD, "./36", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5844] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5844] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5844] umount2("./36/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] newfstatat(AT_FDCWD, "./36/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] unlink("./36/binderfs") = 0 [pid 5844] umount2("./36/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6039] <... mount resumed>) = 0 [pid 6039] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5844] <... umount2 resumed>) = 0 [pid 6039] <... openat resumed>) = 3 [pid 6039] chdir("./bus" [pid 5842] <... close resumed>) = 0 [pid 5844] umount2("./36/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6041 attached [pid 6039] <... chdir resumed>) = 0 [pid 5845] <... close resumed>) = 0 [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6039] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5844] newfstatat(AT_FDCWD, "./36/bus", [pid 6039] sched_setaffinity(0, 0, NULL [pid 6041] set_robust_list(0x55557f708660, 24 [pid 6039] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5844] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6041] <... set_robust_list resumed>) = 0 [pid 6039] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 6041] chdir("./37" [pid 6039] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5844] umount2("./36/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] <... clone resumed>, child_tidptr=0x55557f708650) = 6041 [pid 6039] <... openat resumed>) = 4 [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6039] read(4, [pid 5844] openat(AT_FDCWD, "./36/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5844] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5844] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 6041] <... chdir resumed>) = 0 [pid 5844] getdents64(4, [pid 6041] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5844] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 6041] <... prctl resumed>) = 0 [pid 5844] close(4 [pid 6041] setpgid(0, 0 [pid 6040] <... write resumed>) = 2097152 [pid 5845] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5844] <... close resumed>) = 0 [pid 6041] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 6042 attached [pid 6041] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5844] rmdir("./36/bus" [pid 6042] set_robust_list(0x55557f708660, 24 [pid 6041] <... openat resumed>) = 3 [pid 6042] <... set_robust_list resumed>) = 0 [pid 6041] write(3, "1000", 4 [pid 6040] munmap(0x7f8e0a400000, 138412032 [pid 6041] <... write resumed>) = 4 [pid 6042] chdir("./36" [pid 6041] close(3 [pid 6040] <... munmap resumed>) = 0 [pid 5845] <... clone resumed>, child_tidptr=0x55557f708650) = 6042 [pid 6042] <... chdir resumed>) = 0 [pid 6041] <... close resumed>) = 0 [pid 6042] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6041] symlink("/dev/binderfs", "./binderfs" [pid 6040] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6042] <... prctl resumed>) = 0 [pid 6042] setpgid(0, 0) = 0 [pid 6040] <... openat resumed>) = 4 [pid 6042] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6040] ioctl(4, LOOP_SET_FD, 3 [pid 6041] <... symlink resumed>) = 0 [pid 6042] <... openat resumed>) = 3 [pid 5844] <... rmdir resumed>) = 0 [pid 5844] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5844] close(3) = 0 [pid 5844] rmdir("./36") = 0 [pid 5844] mkdir("./37", 0777 [pid 6042] write(3, "1000", 4 [pid 6040] <... ioctl resumed>) = 0 [pid 5844] <... mkdir resumed>) = 0 executing program executing program [pid 6042] <... write resumed>) = 4 [pid 6041] write(1, "executing program\n", 18 [pid 5844] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6042] close(3 [pid 6041] <... write resumed>) = 18 [pid 6040] close(3 [pid 6042] <... close resumed>) = 0 [pid 6040] <... close resumed>) = 0 [pid 6040] close(4 [pid 6042] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6041] memfd_create("syzkaller", 0 [pid 6040] <... close resumed>) = 0 [pid 6042] write(1, "executing program\n", 18 [pid 6040] mkdir("./bus", 0777 [pid 6042] <... write resumed>) = 18 [pid 6042] memfd_create("syzkaller", 0 [pid 6040] <... mkdir resumed>) = 0 [pid 5844] <... openat resumed>) = 3 [pid 6040] mount("/dev/loop1", "./bus", "ntfs3", 0, "" [pid 6042] <... memfd_create resumed>) = 3 [pid 6041] <... memfd_create resumed>) = 3 [pid 6042] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5844] ioctl(3, LOOP_CLR_FD [pid 6042] <... mmap resumed>) = 0x7f8e0a400000 [pid 5844] <... ioctl resumed>) = 0 [pid 5844] close(3 [pid 6041] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 [ 131.079707][ T6040] loop1: detected capacity change from 0 to 4096 [pid 5844] <... close resumed>) = 0 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557f708650) = 6043 ./strace-static-x86_64: Process 6043 attached [pid 6043] set_robust_list(0x55557f708660, 24executing program ) = 0 [pid 6043] chdir("./37" [pid 6040] <... mount resumed>) = 0 [pid 6043] <... chdir resumed>) = 0 [pid 6043] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6043] setpgid(0, 0) = 0 [pid 6043] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6043] write(3, "1000", 4) = 4 [pid 6043] close(3) = 0 [pid 6043] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6043] write(1, "executing program\n", 18) = 18 [pid 6043] memfd_create("syzkaller", 0 [pid 6040] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6043] <... memfd_create resumed>) = 3 [pid 6042] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6043] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6040] <... openat resumed>) = 3 [pid 6040] chdir("./bus") = 0 [pid 6040] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6043] <... mmap resumed>) = 0x7f8e0a400000 [pid 6041] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6040] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6040] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 6040] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 6040] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 6040] read(4, [pid 6043] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6039] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 6039] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 6042] <... write resumed>) = 2097152 [pid 6042] munmap(0x7f8e0a400000, 138412032 [pid 6039] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 6039] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 6041] <... write resumed>) = 2097152 [pid 6039] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6042] <... munmap resumed>) = 0 [pid 6041] munmap(0x7f8e0a400000, 138412032 [pid 6039] exit_group(0) = ? [pid 6039] +++ exited with 0 +++ [pid 6042] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6041] <... munmap resumed>) = 0 [pid 6041] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 6041] ioctl(4, LOOP_SET_FD, 3 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6039, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=17 /* 0.17 s */} --- [pid 5846] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5846] umount2("./37", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6042] <... openat resumed>) = 4 [pid 5846] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6043] <... write resumed>) = 2097152 [pid 6042] ioctl(4, LOOP_SET_FD, 3 [pid 5846] openat(AT_FDCWD, "./37", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6041] <... ioctl resumed>) = 0 [pid 6043] munmap(0x7f8e0a400000, 138412032 [pid 5846] <... openat resumed>) = 3 [pid 6042] <... ioctl resumed>) = 0 [pid 6041] close(3 [pid 5846] newfstatat(3, "", [pid 6042] close(3 [pid 6041] <... close resumed>) = 0 [pid 5846] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6042] <... close resumed>) = 0 [pid 6041] close(4 [pid 5846] getdents64(3, [pid 6042] close(4 [pid 5846] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5846] umount2("./37/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6042] <... close resumed>) = 0 [pid 5846] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5846] newfstatat(AT_FDCWD, "./37/binderfs", [pid 6042] mkdir("./bus", 0777 [pid 5846] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6042] <... mkdir resumed>) = 0 [pid 5846] unlink("./37/binderfs") = 0 [pid 5846] umount2("./37/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6041] <... close resumed>) = 0 [pid 5846] <... umount2 resumed>) = 0 [pid 6041] mkdir("./bus", 0777 [pid 6042] mount("/dev/loop3", "./bus", "ntfs3", 0, "" [pid 5846] umount2("./37/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6043] <... munmap resumed>) = 0 [pid 6041] <... mkdir resumed>) = 0 [pid 6043] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6041] mount("/dev/loop0", "./bus", "ntfs3", 0, "" [pid 6043] <... openat resumed>) = 4 [pid 5846] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5846] newfstatat(AT_FDCWD, "./37/bus", [pid 6043] ioctl(4, LOOP_SET_FD, 3 [pid 5846] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 131.297619][ T6041] loop0: detected capacity change from 0 to 4096 [ 131.312268][ T6042] loop3: detected capacity change from 0 to 4096 [pid 5846] umount2("./37/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5846] openat(AT_FDCWD, "./37/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5846] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5846] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 6043] <... ioctl resumed>) = 0 [pid 5846] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5846] close(4) = 0 [pid 5846] rmdir("./37/bus") = 0 [pid 5846] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5846] close(3) = 0 [pid 5846] rmdir("./37") = 0 [pid 5846] mkdir("./38", 0777) = 0 [pid 5846] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 6043] close(3 [pid 6042] <... mount resumed>) = 0 [pid 6043] <... close resumed>) = 0 [pid 6042] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5846] ioctl(3, LOOP_CLR_FD [pid 6043] close(4 [pid 6042] <... openat resumed>) = 3 [pid 5846] <... ioctl resumed>) = 0 [pid 6043] <... close resumed>) = 0 [pid 6043] mkdir("./bus", 0777 [pid 6042] chdir("./bus" [pid 5846] close(3 [pid 6043] <... mkdir resumed>) = 0 [pid 6042] <... chdir resumed>) = 0 [pid 6043] mount("/dev/loop2", "./bus", "ntfs3", 0, "" [pid 6042] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6042] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [ 131.347686][ T6043] loop2: detected capacity change from 0 to 4096 [pid 6042] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 6042] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 6042] read(4, [pid 5846] <... close resumed>) = 0 [pid 6041] <... mount resumed>) = 0 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6044 attached [pid 6041] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5846] <... clone resumed>, child_tidptr=0x55557f708650) = 6044 [pid 6044] set_robust_list(0x55557f708660, 24 [pid 6041] chdir("./bus" [pid 6044] <... set_robust_list resumed>) = 0 [pid 6041] <... chdir resumed>) = 0 [pid 6044] chdir("./38") = 0 [pid 6044] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6044] setpgid(0, 0) = 0 [pid 6044] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6041] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6044] write(3, "1000", 4) = 4 [pid 6044] close(3) = 0 [pid 6044] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6044] write(1, "executing program\n", 18executing program ) = 18 [pid 6044] memfd_create("syzkaller", 0 [pid 6041] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6041] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 6041] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 6041] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 6041] read(4, [pid 6044] <... memfd_create resumed>) = 3 [pid 6044] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 [pid 6043] <... mount resumed>) = 0 [pid 6043] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6043] chdir("./bus") = 0 [pid 6043] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6043] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 6043] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 6043] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 6043] read(4, [pid 6044] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6040] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 6040] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 6040] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 6040] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 6040] exit_group(0) = ? [pid 6040] +++ exited with 0 +++ [pid 5843] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6040, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 5843] umount2("./34", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5843] openat(AT_FDCWD, "./34", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5843] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5843] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 6044] <... write resumed>) = 2097152 [pid 6042] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 6044] munmap(0x7f8e0a400000, 138412032 [pid 5843] umount2("./34/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6042] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 6042] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 6042] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 6042] exit_group(0) = ? [pid 6044] <... munmap resumed>) = 0 [pid 5843] newfstatat(AT_FDCWD, "./34/binderfs", [pid 6044] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5843] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6044] <... openat resumed>) = 4 [pid 5843] unlink("./34/binderfs" [pid 6044] ioctl(4, LOOP_SET_FD, 3 [pid 6042] +++ exited with 0 +++ [pid 5843] <... unlink resumed>) = 0 [pid 5845] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6042, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=13 /* 0.13 s */} --- [pid 5843] umount2("./34/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6044] <... ioctl resumed>) = 0 [pid 5845] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5845] umount2("./36", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5843] <... umount2 resumed>) = 0 [pid 6044] close(3 [pid 5845] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6044] <... close resumed>) = 0 [pid 5845] openat(AT_FDCWD, "./36", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5843] umount2("./34/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6044] close(4) = 0 [pid 5845] <... openat resumed>) = 3 [pid 6044] mkdir("./bus", 0777 [pid 5845] newfstatat(3, "", [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6044] <... mkdir resumed>) = 0 [pid 5845] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5843] newfstatat(AT_FDCWD, "./34/bus", [pid 6044] mount("/dev/loop4", "./bus", "ntfs3", 0, "" [pid 5845] getdents64(3, [pid 5843] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] umount2("./34/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5843] openat(AT_FDCWD, "./34/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5845] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5843] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5845] umount2("./36/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5843] getdents64(4, [pid 5845] newfstatat(AT_FDCWD, "./36/binderfs", [pid 5843] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5845] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] getdents64(4, [pid 5845] unlink("./36/binderfs" [pid 5843] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5845] <... unlink resumed>) = 0 [pid 5843] close(4) = 0 [pid 5843] rmdir("./34/bus" [pid 5845] umount2("./36/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5843] <... rmdir resumed>) = 0 [pid 5843] getdents64(3, [pid 5845] <... umount2 resumed>) = 0 [pid 5843] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5843] close(3) = 0 [pid 5843] rmdir("./34") = 0 [ 131.811754][ T6044] loop4: detected capacity change from 0 to 4096 [pid 5843] mkdir("./35", 0777 [pid 6043] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5845] umount2("./36/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5845] newfstatat(AT_FDCWD, "./36/bus", [pid 6043] sched_setaffinity(0, 0, NULL [pid 5845] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] <... mkdir resumed>) = 0 [pid 5845] umount2("./36/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6043] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5843] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6043] rename(NULL, NULL [pid 5843] <... openat resumed>) = 3 [pid 6043] <... rename resumed>) = -1 EFAULT (Bad address) [pid 5843] ioctl(3, LOOP_CLR_FD) = 0 [pid 6043] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 5843] close(3 [pid 6044] <... mount resumed>) = 0 [pid 6043] exit_group(0) = ? [pid 6044] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6044] chdir("./bus") = 0 [pid 6044] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6043] +++ exited with 0 +++ [pid 5845] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6044] sched_setaffinity(0, 0, NULL [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6043, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=16 /* 0.16 s */} --- [pid 5845] openat(AT_FDCWD, "./36/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6044] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 6044] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 6044] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 6044] read(4, [pid 5845] <... openat resumed>) = 4 [pid 5845] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5843] <... close resumed>) = 0 [pid 5845] getdents64(4, [pid 5843] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5845] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5845] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 6045 attached [pid 5845] close(4 [pid 5843] <... clone resumed>, child_tidptr=0x55557f708650) = 6045 [pid 6045] set_robust_list(0x55557f708660, 24 [pid 5845] <... close resumed>) = 0 [pid 5844] umount2("./37", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5845] rmdir("./36/bus" [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6045] <... set_robust_list resumed>) = 0 [pid 6045] chdir("./35") = 0 [pid 5845] <... rmdir resumed>) = 0 [pid 5844] openat(AT_FDCWD, "./37", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5845] getdents64(3, [pid 5844] <... openat resumed>) = 3 [pid 6045] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5845] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5844] newfstatat(3, "", [pid 5845] close(3 [pid 6045] <... prctl resumed>) = 0 [pid 5844] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5845] <... close resumed>) = 0 [pid 6045] setpgid(0, 0 [pid 5845] rmdir("./36" [pid 5844] getdents64(3, [pid 6045] <... setpgid resumed>) = 0 [pid 5845] <... rmdir resumed>) = 0 [pid 5845] mkdir("./37", 0777 [pid 5844] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 6045] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5844] umount2("./37/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6045] <... openat resumed>) = 3 [pid 5845] <... mkdir resumed>) = 0 [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6045] write(3, "1000", 4 [pid 5844] newfstatat(AT_FDCWD, "./37/binderfs", [pid 6045] <... write resumed>) = 4 [pid 6045] close(3 [pid 5844] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6045] <... close resumed>) = 0 [pid 5844] unlink("./37/binderfs" [pid 6045] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5844] <... unlink resumed>) = 0 [pid 6045] write(1, "executing program\n", 18executing program ) = 18 [pid 6045] memfd_create("syzkaller", 0 [pid 5845] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5844] umount2("./37/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5845] <... openat resumed>) = 3 [pid 5845] ioctl(3, LOOP_CLR_FD [pid 6045] <... memfd_create resumed>) = 3 [pid 5845] <... ioctl resumed>) = 0 [pid 6045] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 [pid 5845] close(3 [pid 5844] <... umount2 resumed>) = 0 [pid 5844] umount2("./37/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] newfstatat(AT_FDCWD, "./37/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] umount2("./37/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] openat(AT_FDCWD, "./37/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5845] <... close resumed>) = 0 [pid 5844] newfstatat(4, "", [pid 5845] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5844] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5844] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 ./strace-static-x86_64: Process 6046 attached [pid 6046] set_robust_list(0x55557f708660, 24 [pid 5845] <... clone resumed>, child_tidptr=0x55557f708650) = 6046 [pid 5844] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 6046] <... set_robust_list resumed>) = 0 [pid 6045] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5844] close(4 [pid 6046] chdir("./37" [pid 5844] <... close resumed>) = 0 [pid 5844] rmdir("./37/bus" [pid 6046] <... chdir resumed>) = 0 [pid 5844] <... rmdir resumed>) = 0 [pid 5844] getdents64(3, [pid 6046] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5844] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 6046] <... prctl resumed>) = 0 [pid 5844] close(3 [pid 6046] setpgid(0, 0 [pid 5844] <... close resumed>) = 0 [pid 6046] <... setpgid resumed>) = 0 [pid 5844] rmdir("./37" [pid 6046] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5844] <... rmdir resumed>) = 0 [pid 6046] <... openat resumed>) = 3 [pid 5844] mkdir("./38", 0777 [pid 6046] write(3, "1000", 4 [pid 5844] <... mkdir resumed>) = 0 [pid 6046] <... write resumed>) = 4 [pid 6046] close(3) = 0 [pid 5844] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6046] symlink("/dev/binderfs", "./binderfs" [pid 5844] <... openat resumed>) = 3 [pid 6046] <... symlink resumed>) = 0 executing program [pid 5844] ioctl(3, LOOP_CLR_FD) = 0 [pid 6046] write(1, "executing program\n", 18 [pid 5844] close(3 [pid 6046] <... write resumed>) = 18 [pid 6046] memfd_create("syzkaller", 0) = 3 [pid 6046] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 [pid 6044] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 6044] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 6045] <... write resumed>) = 2097152 [pid 6044] rename(NULL, NULL [pid 5844] <... close resumed>) = 0 [pid 6044] <... rename resumed>) = -1 EFAULT (Bad address) [pid 6044] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 6044] exit_group(0) = ? [pid 6045] munmap(0x7f8e0a400000, 138412032 [pid 6044] +++ exited with 0 +++ [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6044, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [pid 5846] umount2("./38", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6047 attached [pid 6045] <... munmap resumed>) = 0 [pid 5846] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5844] <... clone resumed>, child_tidptr=0x55557f708650) = 6047 [pid 6047] set_robust_list(0x55557f708660, 24) = 0 [pid 6047] chdir("./38") = 0 [pid 6047] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6047] setpgid(0, 0) = 0 [pid 6047] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6047] write(3, "1000", 4) = 4 [pid 6047] close(3) = 0 [pid 6047] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 5846] openat(AT_FDCWD, "./38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6047] write(1, "executing program\n", 18) = 18 [pid 5846] <... openat resumed>) = 3 [pid 6047] memfd_create("syzkaller", 0 [pid 6045] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5846] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6047] <... memfd_create resumed>) = 3 [pid 6045] <... openat resumed>) = 4 [pid 5846] getdents64(3, [pid 6047] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 [pid 6046] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6045] ioctl(4, LOOP_SET_FD, 3 [pid 5846] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5846] umount2("./38/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5846] newfstatat(AT_FDCWD, "./38/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5846] unlink("./38/binderfs") = 0 [pid 5846] umount2("./38/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6045] <... ioctl resumed>) = 0 [pid 5846] <... umount2 resumed>) = 0 [pid 6045] close(3) = 0 [pid 5846] umount2("./38/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6045] close(4) = 0 [pid 5846] newfstatat(AT_FDCWD, "./38/bus", [pid 6045] mkdir("./bus", 0777 [pid 5846] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6045] <... mkdir resumed>) = 0 [pid 5846] umount2("./38/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6045] mount("/dev/loop1", "./bus", "ntfs3", 0, "" [pid 5846] openat(AT_FDCWD, "./38/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5846] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5846] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5846] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5846] close(4) = 0 [pid 5846] rmdir("./38/bus" [pid 6047] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5846] <... rmdir resumed>) = 0 [ 132.212209][ T6045] loop1: detected capacity change from 0 to 4096 [pid 5846] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5846] close(3) = 0 [pid 5846] rmdir("./38" [pid 6046] <... write resumed>) = 2097152 [pid 6045] <... mount resumed>) = 0 [pid 5846] <... rmdir resumed>) = 0 [pid 6046] munmap(0x7f8e0a400000, 138412032 [pid 6045] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5846] mkdir("./39", 0777 [pid 6045] <... openat resumed>) = 3 [pid 5846] <... mkdir resumed>) = 0 [pid 6045] chdir("./bus") = 0 [pid 6045] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6046] <... munmap resumed>) = 0 [pid 6045] sched_setaffinity(0, 0, NULL [pid 5846] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6046] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6045] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5846] <... openat resumed>) = 3 [pid 6045] sched_setscheduler(0, SCHED_RR, NULL [pid 5846] ioctl(3, LOOP_CLR_FD [pid 6045] <... sched_setscheduler resumed>) = -1 EINVAL (Invalid argument) [pid 5846] <... ioctl resumed>) = 0 [pid 6045] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5846] close(3 [pid 6045] <... openat resumed>) = 4 [pid 6047] <... write resumed>) = 2097152 [pid 6046] <... openat resumed>) = 4 [pid 6045] read(4, [pid 6046] ioctl(4, LOOP_SET_FD, 3 [pid 6047] munmap(0x7f8e0a400000, 138412032) = 0 [pid 6046] <... ioctl resumed>) = 0 [pid 6041] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 6047] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6041] sched_setaffinity(0, 0, NULL [pid 6046] close(3) = 0 [pid 6041] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 6046] close(4 [pid 6041] rename(NULL, NULL [pid 6047] <... openat resumed>) = 4 [pid 6046] <... close resumed>) = 0 [pid 6041] <... rename resumed>) = -1 EFAULT (Bad address) [pid 5846] <... close resumed>) = 0 [pid 6046] mkdir("./bus", 0777 [pid 6041] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6047] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6046] <... mkdir resumed>) = 0 [pid 6041] <... openat resumed>) = -1 EFAULT (Bad address) ./strace-static-x86_64: Process 6048 attached [pid 6046] mount("/dev/loop3", "./bus", "ntfs3", 0, "" [pid 6041] exit_group(0) = ? [pid 6048] set_robust_list(0x55557f708660, 24 [pid 6041] +++ exited with 0 +++ [pid 5846] <... clone resumed>, child_tidptr=0x55557f708650) = 6048 [pid 6048] <... set_robust_list resumed>) = 0 [pid 6047] close(3) = 0 [pid 6048] chdir("./39" [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6041, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [pid 6048] <... chdir resumed>) = 0 [pid 5842] restart_syscall(<... resuming interrupted clone ...> [pid 6048] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6047] close(4 [pid 6048] setpgid(0, 0 [pid 6047] <... close resumed>) = 0 [pid 6047] mkdir("./bus", 0777 [pid 6048] <... setpgid resumed>) = 0 [pid 6047] <... mkdir resumed>) = 0 [pid 6048] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5842] <... restart_syscall resumed>) = 0 [ 132.334624][ T6046] loop3: detected capacity change from 0 to 4096 [ 132.369236][ T6047] loop2: detected capacity change from 0 to 4096 [pid 6047] mount("/dev/loop2", "./bus", "ntfs3", 0, "" [pid 6048] <... openat resumed>) = 3 [pid 5842] umount2("./37", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] openat(AT_FDCWD, "./37", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5842] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5842] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5842] umount2("./37/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6048] write(3, "1000", 4 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./37/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6048] <... write resumed>) = 4 [pid 5842] unlink("./37/binderfs"executing program ) = 0 [pid 6048] close(3 [pid 5842] umount2("./37/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6048] <... close resumed>) = 0 [pid 6048] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6048] write(1, "executing program\n", 18) = 18 [pid 6048] memfd_create("syzkaller", 0) = 3 [pid 6048] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 [pid 5842] <... umount2 resumed>) = 0 [pid 5842] umount2("./37/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6046] <... mount resumed>) = 0 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./37/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] umount2("./37/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6046] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] openat(AT_FDCWD, "./37/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6046] <... openat resumed>) = 3 [pid 5842] <... openat resumed>) = 4 [pid 5842] newfstatat(4, "", [pid 6046] chdir("./bus" [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5842] getdents64(4, [pid 6046] <... chdir resumed>) = 0 [pid 5842] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 6046] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5842] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5842] close(4 [pid 6046] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5842] <... close resumed>) = 0 [pid 5842] rmdir("./37/bus") = 0 [pid 5842] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 6048] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6047] <... mount resumed>) = 0 [pid 6046] sched_setaffinity(0, 0, NULL [pid 5842] close(3 [pid 6047] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6047] chdir("./bus") = 0 [pid 6047] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6047] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 6047] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 6047] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 6047] read(4, [pid 6046] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5842] <... close resumed>) = 0 [pid 6046] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5842] rmdir("./37" [pid 6046] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 6046] read(4, [pid 5842] <... rmdir resumed>) = 0 [pid 5842] mkdir("./38", 0777) = 0 [pid 5842] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5842] ioctl(3, LOOP_CLR_FD) = 0 [pid 5842] close(3 [pid 6048] <... write resumed>) = 2097152 [pid 5842] <... close resumed>) = 0 [pid 6048] munmap(0x7f8e0a400000, 138412032 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6049 attached [pid 6048] <... munmap resumed>) = 0 [pid 6049] set_robust_list(0x55557f708660, 24 [pid 5842] <... clone resumed>, child_tidptr=0x55557f708650) = 6049 [pid 6049] <... set_robust_list resumed>) = 0 [pid 6048] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6049] chdir("./38" [pid 6048] <... openat resumed>) = 4 [pid 6049] <... chdir resumed>) = 0 [pid 6049] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6049] setpgid(0, 0) = 0 [pid 6049] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6048] ioctl(4, LOOP_SET_FD, 3 [pid 6049] <... openat resumed>) = 3 [pid 6049] write(3, "1000", 4 [pid 6048] <... ioctl resumed>) = 0 [pid 6049] <... write resumed>) = 4 [pid 6049] close(3) = 0 [pid 6049] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6049] write(1, "executing program\n", 18) = 18 [pid 6049] memfd_create("syzkaller", 0 [pid 6048] close(3) = 0 [pid 6048] close(4 [pid 6049] <... memfd_create resumed>) = 3 [pid 6048] <... close resumed>) = 0 [pid 6048] mkdir("./bus", 0777 [pid 6049] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6048] <... mkdir resumed>) = 0 [ 132.622861][ T6048] loop4: detected capacity change from 0 to 4096 [pid 6049] <... mmap resumed>) = 0x7f8e0a400000 [pid 6048] mount("/dev/loop4", "./bus", "ntfs3", 0, "") = 0 [pid 6048] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6048] chdir("./bus") = 0 [pid 6048] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6048] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 6048] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 6048] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 6048] read(4, [pid 6047] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 6047] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 6049] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6047] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 6047] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 6047] exit_group(0) = ? [pid 6047] +++ exited with 0 +++ [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6047, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=12 /* 0.12 s */} --- [pid 5844] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5844] umount2("./38", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] openat(AT_FDCWD, "./38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5844] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5844] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5844] umount2("./38/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] newfstatat(AT_FDCWD, "./38/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] unlink("./38/binderfs") = 0 [pid 5844] umount2("./38/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 5844] umount2("./38/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] newfstatat(AT_FDCWD, "./38/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] umount2("./38/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] openat(AT_FDCWD, "./38/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5844] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5844] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5844] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5844] close(4) = 0 [pid 6049] <... write resumed>) = 2097152 [pid 5844] rmdir("./38/bus") = 0 [pid 5844] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5844] close(3) = 0 [pid 5844] rmdir("./38") = 0 [pid 5844] mkdir("./39", 0777 [pid 6045] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5844] <... mkdir resumed>) = 0 [pid 6049] munmap(0x7f8e0a400000, 138412032 [pid 6045] sched_setaffinity(0, 0, NULL [pid 5844] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6045] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5844] <... openat resumed>) = 3 [pid 5844] ioctl(3, LOOP_CLR_FD) = 0 [pid 5844] close(3 [pid 6049] <... munmap resumed>) = 0 [pid 6045] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 6049] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6045] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 6049] <... openat resumed>) = 4 [pid 6045] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6049] ioctl(4, LOOP_SET_FD, 3 [pid 6045] exit_group(0) = ? [pid 6045] +++ exited with 0 +++ [pid 5843] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6045, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 5843] restart_syscall(<... resuming interrupted clone ...> [pid 5844] <... close resumed>) = 0 [pid 5843] <... restart_syscall resumed>) = 0 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5843] umount2("./35", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5843] openat(AT_FDCWD, "./35", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 ./strace-static-x86_64: Process 6050 attached [pid 5843] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6050] set_robust_list(0x55557f708660, 24 [pid 5843] getdents64(3, [pid 6050] <... set_robust_list resumed>) = 0 [pid 5843] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5843] umount2("./35/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5843] newfstatat(AT_FDCWD, "./35/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] unlink("./35/binderfs") = 0 [pid 6049] <... ioctl resumed>) = 0 [pid 6050] chdir("./39") = 0 [pid 5844] <... clone resumed>, child_tidptr=0x55557f708650) = 6050 [pid 5843] umount2("./35/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6050] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6049] close(3 [pid 5843] <... umount2 resumed>) = 0 [pid 6049] <... close resumed>) = 0 [pid 6050] <... prctl resumed>) = 0 [pid 6049] close(4 [pid 6050] setpgid(0, 0 [pid 6049] <... close resumed>) = 0 [pid 6050] <... setpgid resumed>) = 0 [pid 6050] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6049] mkdir("./bus", 0777 [pid 6050] <... openat resumed>) = 3 [pid 6050] write(3, "1000", 4) = 4 [pid 6050] close(3) = 0 [pid 6050] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5843] umount2("./35/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6050] write(1, "executing program\n", 18 [pid 6049] <... mkdir resumed>) = 0 [pid 6049] mount("/dev/loop0", "./bus", "ntfs3", 0, ""executing program [ 132.933751][ T6049] loop0: detected capacity change from 0 to 4096 [pid 6050] <... write resumed>) = 18 [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] newfstatat(AT_FDCWD, "./35/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] umount2("./35/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5843] openat(AT_FDCWD, "./35/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5843] newfstatat(4, "", [pid 6050] memfd_create("syzkaller", 0) = 3 [pid 5843] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6050] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5843] getdents64(4, [pid 6050] <... mmap resumed>) = 0x7f8e0a400000 [pid 5843] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5843] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5843] close(4) = 0 [pid 5843] rmdir("./35/bus") = 0 [pid 5843] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5843] close(3) = 0 [pid 5843] rmdir("./35") = 0 [pid 5843] mkdir("./36", 0777) = 0 [pid 5843] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5843] ioctl(3, LOOP_CLR_FD) = 0 [pid 5843] close(3 [pid 6050] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6049] <... mount resumed>) = 0 [pid 5843] <... close resumed>) = 0 [pid 6049] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6049] chdir("./bus") = 0 [pid 6049] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6049] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 6049] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 6049] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5843] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6051 attached [pid 6049] <... openat resumed>) = 4 [pid 6049] read(4, [pid 6051] set_robust_list(0x55557f708660, 24) = 0 [pid 5843] <... clone resumed>, child_tidptr=0x55557f708650) = 6051 [pid 6051] chdir("./36") = 0 [pid 6051] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6051] setpgid(0, 0) = 0 [pid 6051] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6051] write(3, "1000", 4) = 4 [pid 6051] close(3) = 0 [pid 6051] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6051] write(1, "executing program\n", 18executing program ) = 18 [pid 6051] memfd_create("syzkaller", 0 [pid 6048] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 6051] <... memfd_create resumed>) = 3 [pid 6051] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 [pid 6050] <... write resumed>) = 2097152 [pid 6050] munmap(0x7f8e0a400000, 138412032 [pid 6048] sched_setaffinity(0, 0, NULL [pid 6050] <... munmap resumed>) = 0 [pid 6048] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 6046] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 6050] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6048] rename(NULL, NULL [pid 6050] <... openat resumed>) = 4 [pid 6050] ioctl(4, LOOP_SET_FD, 3 [pid 6048] <... rename resumed>) = -1 EFAULT (Bad address) [pid 6046] sched_setaffinity(0, 0, NULL [pid 6048] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 6046] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 6048] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6046] rename(NULL, NULL [pid 6051] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6048] exit_group(0 [pid 6046] <... rename resumed>) = -1 EFAULT (Bad address) [pid 6048] <... exit_group resumed>) = ? [pid 6046] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 6046] exit_group(0) = ? [pid 6046] +++ exited with 0 +++ [pid 5845] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6046, si_uid=0, si_status=0, si_utime=0, si_stime=30 /* 0.30 s */} --- [pid 5845] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5845] umount2("./37", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5845] openat(AT_FDCWD, "./37", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6048] +++ exited with 0 +++ [pid 5845] <... openat resumed>) = 3 [pid 5845] newfstatat(3, "", [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6048, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5846] restart_syscall(<... resuming interrupted clone ...> [pid 5845] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5845] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5845] umount2("./37/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6050] <... ioctl resumed>) = 0 [pid 6050] close(3 [pid 5845] newfstatat(AT_FDCWD, "./37/binderfs", [pid 6050] <... close resumed>) = 0 [pid 5845] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6050] close(4 [pid 5845] unlink("./37/binderfs" [pid 5846] <... restart_syscall resumed>) = 0 [pid 5845] <... unlink resumed>) = 0 [pid 6050] <... close resumed>) = 0 [pid 5846] umount2("./39", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6050] mkdir("./bus", 0777 [pid 5846] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6050] <... mkdir resumed>) = 0 [pid 5846] openat(AT_FDCWD, "./39", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5845] umount2("./37/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5846] <... openat resumed>) = 3 [pid 5846] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6050] mount("/dev/loop2", "./bus", "ntfs3", 0, "" [pid 5846] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5846] umount2("./39/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5846] newfstatat(AT_FDCWD, "./39/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5845] <... umount2 resumed>) = 0 [pid 5846] unlink("./39/binderfs") = 0 [ 133.190425][ T6050] loop2: detected capacity change from 0 to 4096 [pid 5846] umount2("./39/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5845] umount2("./37/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6051] <... write resumed>) = 2097152 [pid 5846] <... umount2 resumed>) = 0 [pid 5845] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6051] munmap(0x7f8e0a400000, 138412032 [pid 5845] newfstatat(AT_FDCWD, "./37/bus", [pid 5846] umount2("./39/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5846] newfstatat(AT_FDCWD, "./39/bus", [pid 5845] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5846] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5845] umount2("./37/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5846] umount2("./39/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5845] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5846] openat(AT_FDCWD, "./39/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5845] openat(AT_FDCWD, "./37/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5846] <... openat resumed>) = 4 [pid 5845] <... openat resumed>) = 4 [pid 5846] newfstatat(4, "", [pid 5845] newfstatat(4, "", [pid 5846] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5845] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5846] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5845] getdents64(4, [pid 6051] <... munmap resumed>) = 0 [pid 5846] getdents64(4, [pid 5845] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5846] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5846] close(4) = 0 [pid 5845] getdents64(4, [pid 5846] rmdir("./39/bus" [pid 5845] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5845] close(4 [pid 5846] <... rmdir resumed>) = 0 [pid 5846] getdents64(3, [pid 5845] <... close resumed>) = 0 [pid 5845] rmdir("./37/bus" [pid 5846] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5846] close(3 [pid 5845] <... rmdir resumed>) = 0 [pid 5846] <... close resumed>) = 0 [pid 5846] rmdir("./39") = 0 [pid 5845] getdents64(3, [pid 5846] mkdir("./40", 0777 [pid 5845] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5845] close(3 [pid 6051] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5846] <... mkdir resumed>) = 0 [pid 5845] <... close resumed>) = 0 [pid 6051] <... openat resumed>) = 4 [pid 6050] <... mount resumed>) = 0 [pid 5846] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5845] rmdir("./37" [pid 6051] ioctl(4, LOOP_SET_FD, 3 [pid 5846] <... openat resumed>) = 3 [pid 5846] ioctl(3, LOOP_CLR_FD) = 0 [pid 5846] close(3 [pid 6051] <... ioctl resumed>) = 0 [pid 6049] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 6051] close(3 [pid 6050] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6049] sched_setaffinity(0, 0, NULL [pid 5846] <... close resumed>) = 0 [pid 5845] <... rmdir resumed>) = 0 [pid 6051] <... close resumed>) = 0 [pid 6050] <... openat resumed>) = 3 [pid 6049] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5845] mkdir("./38", 0777 [pid 6051] close(4 [pid 6050] chdir("./bus" [pid 6049] rename(NULL, NULL [pid 5845] <... mkdir resumed>) = 0 [pid 6051] <... close resumed>) = 0 [pid 6050] <... chdir resumed>) = 0 [pid 6049] <... rename resumed>) = -1 EFAULT (Bad address) [pid 5845] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6051] mkdir("./bus", 0777 [pid 6049] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6051] <... mkdir resumed>) = 0 [pid 6050] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6049] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5845] <... openat resumed>) = 3 [pid 6051] mount("/dev/loop1", "./bus", "ntfs3", 0, "" [pid 6050] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5845] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 6052 attached [pid 6050] sched_setaffinity(0, 0, NULL [pid 6049] exit_group(0 [pid 5845] <... ioctl resumed>) = 0 [pid 6052] set_robust_list(0x55557f708660, 24 [pid 6050] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 6049] <... exit_group resumed>) = ? [pid 5846] <... clone resumed>, child_tidptr=0x55557f708650) = 6052 [ 133.289962][ T6051] loop1: detected capacity change from 0 to 4096 [pid 5845] close(3 [pid 6052] <... set_robust_list resumed>) = 0 [pid 6050] sched_setscheduler(0, SCHED_RR, NULL [pid 6049] +++ exited with 0 +++ [pid 6050] <... sched_setscheduler resumed>) = -1 EINVAL (Invalid argument) [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6049, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 6052] chdir("./40") = 0 [pid 6050] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6052] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6050] <... openat resumed>) = 4 [pid 6052] setpgid(0, 0 [pid 6050] read(4, [pid 5842] umount2("./38", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] openat(AT_FDCWD, "./38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5842] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5842] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5842] umount2("./38/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./38/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] unlink("./38/binderfs") = 0 [pid 5842] umount2("./38/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6052] <... setpgid resumed>) = 0 [pid 6052] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5842] <... umount2 resumed>) = 0 [pid 6052] <... openat resumed>) = 3 [pid 6051] <... mount resumed>) = 0 [pid 5842] umount2("./38/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./38/bus", [pid 6052] write(3, "1000", 4 [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6052] <... write resumed>) = 4 [pid 5842] umount2("./38/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6052] close(3 [pid 6051] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5842] openat(AT_FDCWD, "./38/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6051] <... openat resumed>) = 3 [pid 5842] <... openat resumed>) = 4 [pid 6052] <... close resumed>) = 0 [pid 6051] chdir("./bus" [pid 5842] newfstatat(4, "", [pid 6052] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6051] <... chdir resumed>) = 0 [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5842] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5842] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 6051] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5842] close(4 [pid 6051] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5842] <... close resumed>) = 0 [pid 6051] sched_setaffinity(0, 0, NULL [pid 5842] rmdir("./38/bus" [pid 6052] write(1, "executing program\n", 18 [pid 6051] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) executing program [pid 5845] <... close resumed>) = 0 [pid 5842] <... rmdir resumed>) = 0 [pid 6052] <... write resumed>) = 18 [pid 6052] memfd_create("syzkaller", 0 [pid 6051] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5842] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5842] close(3) = 0 [pid 6052] <... memfd_create resumed>) = 3 [pid 6051] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5845] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5842] rmdir("./38" [pid 6051] <... openat resumed>) = 4 [pid 6051] read(4, [pid 5842] <... rmdir resumed>) = 0 [pid 5842] mkdir("./39", 0777) = 0 ./strace-static-x86_64: Process 6053 attached [pid 6053] set_robust_list(0x55557f708660, 24 [pid 6052] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5845] <... clone resumed>, child_tidptr=0x55557f708650) = 6053 [pid 6053] <... set_robust_list resumed>) = 0 [pid 6052] <... mmap resumed>) = 0x7f8e0a400000 [pid 5842] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6053] chdir("./38" [pid 5842] <... openat resumed>) = 3 [pid 5842] ioctl(3, LOOP_CLR_FD) = 0 [pid 5842] close(3 [pid 6053] <... chdir resumed>) = 0 [pid 6053] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6053] setpgid(0, 0) = 0 [pid 6053] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6053] write(3, "1000", 4) = 4 [pid 6053] close(3) = 0 [pid 6053] symlink("/dev/binderfs", "./binderfs" [pid 6052] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6053] <... symlink resumed>) = 0 [pid 5842] <... close resumed>) = 0 [pid 6053] write(1, "executing program\n", 18executing program ) = 18 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6054 attached [pid 6053] memfd_create("syzkaller", 0 [pid 5842] <... clone resumed>, child_tidptr=0x55557f708650) = 6054 [pid 6053] <... memfd_create resumed>) = 3 [pid 6053] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6054] set_robust_list(0x55557f708660, 24 [pid 6053] <... mmap resumed>) = 0x7f8e0a400000 [pid 6054] <... set_robust_list resumed>) = 0 [pid 6054] chdir("./39") = 0 [pid 6054] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6054] setpgid(0, 0) = 0 [pid 6054] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6054] write(3, "1000", 4) = 4 [pid 6054] close(3) = 0 executing program [pid 6054] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6054] write(1, "executing program\n", 18) = 18 [pid 6054] memfd_create("syzkaller", 0) = 3 [pid 6054] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 [pid 6054] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6053] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6052] <... write resumed>) = 2097152 [pid 6050] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 6050] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 6050] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 6052] munmap(0x7f8e0a400000, 138412032 [pid 6050] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 6052] <... munmap resumed>) = 0 [pid 6050] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6050] exit_group(0) = ? [pid 6050] +++ exited with 0 +++ [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6050, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=14 /* 0.14 s */} --- [pid 5844] restart_syscall(<... resuming interrupted clone ...> [pid 6052] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 6054] <... write resumed>) = 2097152 [pid 5844] <... restart_syscall resumed>) = 0 [pid 6054] munmap(0x7f8e0a400000, 138412032 [pid 5844] umount2("./39", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] openat(AT_FDCWD, "./39", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5844] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6052] ioctl(4, LOOP_SET_FD, 3 [pid 5844] getdents64(3, [pid 6054] <... munmap resumed>) = 0 [pid 5844] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5844] umount2("./39/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] newfstatat(AT_FDCWD, "./39/binderfs", [pid 6054] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6051] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5844] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] unlink("./39/binderfs" [pid 6054] <... openat resumed>) = 4 [pid 6053] <... write resumed>) = 2097152 [pid 6052] <... ioctl resumed>) = 0 [pid 6051] sched_setaffinity(0, 0, NULL [pid 6054] ioctl(4, LOOP_SET_FD, 3 [pid 5844] <... unlink resumed>) = 0 [pid 6051] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 6053] munmap(0x7f8e0a400000, 138412032 [pid 6052] close(3 [pid 6051] rename(NULL, NULL [pid 5844] umount2("./39/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6051] <... rename resumed>) = -1 EFAULT (Bad address) [pid 6054] <... ioctl resumed>) = 0 [pid 6052] <... close resumed>) = 0 [pid 6051] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5844] <... umount2 resumed>) = 0 [pid 6054] close(3 [pid 6052] close(4 [pid 6051] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6054] <... close resumed>) = 0 [pid 6053] <... munmap resumed>) = 0 [pid 6052] <... close resumed>) = 0 [pid 6051] exit_group(0 [pid 5844] umount2("./39/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6054] close(4 [pid 6053] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6052] mkdir("./bus", 0777 [pid 6051] <... exit_group resumed>) = ? [pid 6054] <... close resumed>) = 0 [pid 6053] <... openat resumed>) = 4 [pid 6052] <... mkdir resumed>) = 0 [pid 6051] +++ exited with 0 +++ [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 133.631287][ T6052] loop4: detected capacity change from 0 to 4096 [ 133.643873][ T6054] loop0: detected capacity change from 0 to 4096 [pid 6052] mount("/dev/loop4", "./bus", "ntfs3", 0, "" [pid 6054] mkdir("./bus", 0777 [pid 6053] ioctl(4, LOOP_SET_FD, 3 [pid 5844] newfstatat(AT_FDCWD, "./39/bus", [pid 6054] <... mkdir resumed>) = 0 [pid 5844] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6051, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 6053] <... ioctl resumed>) = 0 [pid 5843] umount2("./36", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5844] umount2("./39/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6053] close(3 [pid 5844] openat(AT_FDCWD, "./39/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6053] <... close resumed>) = 0 [pid 6053] close(4) = 0 [pid 6053] mkdir("./bus", 0777) = 0 [pid 5844] <... openat resumed>) = 4 [pid 5843] openat(AT_FDCWD, "./36", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 6053] mount("/dev/loop3", "./bus", "ntfs3", 0, "" [pid 5843] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5843] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5843] umount2("./36/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5843] newfstatat(AT_FDCWD, "./36/binderfs", [pid 5844] newfstatat(4, "", [pid 5843] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] unlink("./36/binderfs") = 0 [pid 5844] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5844] getdents64(4, [pid 6054] mount("/dev/loop0", "./bus", "ntfs3", 0, "" [pid 6052] <... mount resumed>) = 0 [pid 5844] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5843] umount2("./36/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6052] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5844] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5844] close(4 [pid 6052] <... openat resumed>) = 3 [pid 5844] <... close resumed>) = 0 [pid 5844] rmdir("./39/bus" [pid 6052] chdir("./bus") = 0 [pid 5844] <... rmdir resumed>) = 0 [pid 6052] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5844] getdents64(3, [pid 6052] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6052] sched_setaffinity(0, 0, NULL [pid 5844] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 6052] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 6052] sched_setscheduler(0, SCHED_RR, NULL [pid 5844] close(3 [pid 6052] <... sched_setscheduler resumed>) = -1 EINVAL (Invalid argument) [pid 5844] <... close resumed>) = 0 [pid 5843] <... umount2 resumed>) = 0 [pid 6052] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 6052] read(4, [pid 5844] rmdir("./39" [pid 5843] umount2("./36/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5843] newfstatat(AT_FDCWD, "./36/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] <... rmdir resumed>) = 0 [pid 5843] umount2("./36/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5844] mkdir("./40", 0777 [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] openat(AT_FDCWD, "./36/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5844] <... mkdir resumed>) = 0 [pid 5843] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5843] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [ 133.687602][ T6053] loop3: detected capacity change from 0 to 4096 [pid 5844] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5843] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5844] <... openat resumed>) = 3 [pid 5843] close(4) = 0 [pid 5843] rmdir("./36/bus" [pid 5844] ioctl(3, LOOP_CLR_FD) = 0 [pid 5843] <... rmdir resumed>) = 0 [pid 5844] close(3 [pid 5843] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5843] close(3) = 0 [pid 5843] rmdir("./36" [pid 6053] <... mount resumed>) = 0 [pid 5843] <... rmdir resumed>) = 0 [pid 6053] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5843] mkdir("./37", 0777) = 0 [pid 6053] <... openat resumed>) = 3 [pid 5843] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 6053] chdir("./bus" [pid 5843] ioctl(3, LOOP_CLR_FD [pid 6053] <... chdir resumed>) = 0 [pid 5843] <... ioctl resumed>) = 0 [pid 6053] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5843] close(3 [pid 6053] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5844] <... close resumed>) = 0 [pid 6053] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 6053] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 6054] <... mount resumed>) = 0 [pid 6053] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 6053] read(4, [pid 6054] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6055 attached [pid 6054] <... openat resumed>) = 3 [pid 6054] chdir("./bus" [pid 6055] set_robust_list(0x55557f708660, 24) = 0 [pid 6055] chdir("./40" [pid 5844] <... clone resumed>, child_tidptr=0x55557f708650) = 6055 [pid 6055] <... chdir resumed>) = 0 [pid 6054] <... chdir resumed>) = 0 [pid 6055] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6054] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6055] <... prctl resumed>) = 0 [pid 6055] setpgid(0, 0) = 0 [pid 6055] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6055] write(3, "1000", 4) = 4 [pid 6054] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6055] close(3 [pid 6054] sched_setaffinity(0, 0, NULL [pid 6055] <... close resumed>) = 0 [pid 6055] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6054] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) executing program [pid 6055] write(1, "executing program\n", 18) = 18 [pid 6055] memfd_create("syzkaller", 0 [pid 6054] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 6054] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 6054] read(4, [pid 6055] <... memfd_create resumed>) = 3 [pid 6055] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 [pid 5843] <... close resumed>) = 0 [pid 5843] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6056 attached [pid 6056] set_robust_list(0x55557f708660, 24) = 0 [pid 6056] chdir("./37" [pid 5843] <... clone resumed>, child_tidptr=0x55557f708650) = 6056 [pid 6056] <... chdir resumed>) = 0 [pid 6056] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6056] setpgid(0, 0) = 0 [pid 6056] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6056] write(3, "1000", 4) = 4 [pid 6056] close(3) = 0 [pid 6056] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6056] write(1, "executing program\n", 18) = 18 [pid 6056] memfd_create("syzkaller", 0) = 3 [pid 6056] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 [pid 6055] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6056] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6054] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 6054] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 6054] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 6054] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 6054] exit_group(0 [pid 6055] <... write resumed>) = 2097152 [pid 6055] munmap(0x7f8e0a400000, 138412032 [pid 6054] <... exit_group resumed>) = ? [pid 6056] <... write resumed>) = 2097152 [pid 6054] +++ exited with 0 +++ [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6054, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=14 /* 0.14 s */} --- [pid 5842] umount2("./39", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] openat(AT_FDCWD, "./39", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5842] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5842] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5842] umount2("./39/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./39/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] unlink("./39/binderfs") = 0 [pid 5842] umount2("./39/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6055] <... munmap resumed>) = 0 [pid 5842] <... umount2 resumed>) = 0 [pid 6055] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 6055] ioctl(4, LOOP_SET_FD, 3 [pid 6056] munmap(0x7f8e0a400000, 138412032 [pid 5842] umount2("./39/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./39/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] umount2("./39/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] openat(AT_FDCWD, "./39/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6055] <... ioctl resumed>) = 0 [pid 6055] close(3 [pid 5842] <... openat resumed>) = 4 [pid 6055] <... close resumed>) = 0 [pid 6055] close(4 [pid 5842] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5842] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5842] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5842] close(4) = 0 [pid 5842] rmdir("./39/bus") = 0 [pid 5842] getdents64(3, [pid 6056] <... munmap resumed>) = 0 [pid 6055] <... close resumed>) = 0 [pid 5842] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 6056] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6055] mkdir("./bus", 0777 [pid 5842] close(3 [pid 6056] <... openat resumed>) = 4 [pid 6055] <... mkdir resumed>) = 0 [pid 5842] <... close resumed>) = 0 [pid 6056] ioctl(4, LOOP_SET_FD, 3 [pid 6055] mount("/dev/loop2", "./bus", "ntfs3", 0, "" [pid 5842] rmdir("./39") = 0 [pid 5842] mkdir("./40", 0777) = 0 [pid 5842] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5842] ioctl(3, LOOP_CLR_FD) = 0 [pid 5842] close(3 [pid 6056] <... ioctl resumed>) = 0 [pid 6056] close(3) = 0 [pid 6056] close(4) = 0 [pid 6056] mkdir("./bus", 0777) = 0 [ 134.081800][ T6055] loop2: detected capacity change from 0 to 4096 [ 134.113856][ T6056] loop1: detected capacity change from 0 to 4096 [pid 6056] mount("/dev/loop1", "./bus", "ntfs3", 0, "" [pid 5842] <... close resumed>) = 0 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6057 attached [pid 6057] set_robust_list(0x55557f708660, 24) = 0 [pid 6057] chdir("./40" [pid 6055] <... mount resumed>) = 0 [pid 6055] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6057] <... chdir resumed>) = 0 [pid 6057] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5842] <... clone resumed>, child_tidptr=0x55557f708650) = 6057 [pid 6057] setpgid(0, 0) = 0 [pid 6057] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6055] <... openat resumed>) = 3 [pid 6057] <... openat resumed>) = 3 [pid 6057] write(3, "1000", 4 [pid 6056] <... mount resumed>) = 0 [pid 6055] chdir("./bus" [pid 6057] <... write resumed>) = 4 [pid 6056] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6055] <... chdir resumed>) = 0 [pid 6057] close(3 [pid 6056] <... openat resumed>) = 3 [pid 6055] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6057] <... close resumed>) = 0 [pid 6055] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6057] symlink("/dev/binderfs", "./binderfs" [pid 6056] chdir("./bus" [pid 6055] sched_setaffinity(0, 0, NULL [pid 6057] <... symlink resumed>) = 0 [pid 6055] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 6056] <... chdir resumed>) = 0 [pid 6055] sched_setscheduler(0, SCHED_RR, NULLexecuting program [pid 6057] write(1, "executing program\n", 18 [pid 6056] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6055] <... sched_setscheduler resumed>) = -1 EINVAL (Invalid argument) [pid 6057] <... write resumed>) = 18 [pid 6056] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6055] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6057] memfd_create("syzkaller", 0 [pid 6056] sched_setaffinity(0, 0, NULL [pid 6055] <... openat resumed>) = 4 [pid 6056] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 6056] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 6056] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 6056] read(4, [pid 6057] <... memfd_create resumed>) = 3 [pid 6055] read(4, [pid 6057] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 [pid 6053] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 6053] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 6053] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 6053] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 6053] exit_group(0) = ? [pid 6053] +++ exited with 0 +++ [pid 5845] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6053, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 5845] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5845] umount2("./38", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5845] openat(AT_FDCWD, "./38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5845] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5845] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5845] umount2("./38/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5845] newfstatat(AT_FDCWD, "./38/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5845] unlink("./38/binderfs") = 0 [pid 5845] umount2("./38/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 5845] umount2("./38/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5845] newfstatat(AT_FDCWD, "./38/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5845] umount2("./38/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5845] openat(AT_FDCWD, "./38/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 6057] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5845] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5845] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5845] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5845] close(4) = 0 [pid 5845] rmdir("./38/bus") = 0 [pid 5845] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5845] close(3) = 0 [pid 5845] rmdir("./38") = 0 [pid 5845] mkdir("./39", 0777) = 0 [pid 5845] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5845] ioctl(3, LOOP_CLR_FD) = 0 [pid 5845] close(3 [pid 6057] <... write resumed>) = 2097152 [pid 6057] munmap(0x7f8e0a400000, 138412032 [pid 5845] <... close resumed>) = 0 [pid 6057] <... munmap resumed>) = 0 [pid 5845] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6058 attached [pid 6058] set_robust_list(0x55557f708660, 24) = 0 [pid 6058] chdir("./39") = 0 [pid 5845] <... clone resumed>, child_tidptr=0x55557f708650) = 6058 [pid 6058] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6057] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6058] setpgid(0, 0 [pid 6057] <... openat resumed>) = 4 [pid 6058] <... setpgid resumed>) = 0 [pid 6057] ioctl(4, LOOP_SET_FD, 3 [pid 6058] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6058] write(3, "1000", 4) = 4 [pid 6058] close(3) = 0 [pid 6058] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6058] write(1, "executing program\n", 18) = 18 [pid 6058] memfd_create("syzkaller", 0) = 3 [pid 6058] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 [pid 6057] <... ioctl resumed>) = 0 [pid 6055] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 6057] close(3) = 0 [pid 6057] close(4 [pid 6055] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 6055] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 6055] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 6055] exit_group(0) = ? [pid 6057] <... close resumed>) = 0 [pid 6055] +++ exited with 0 +++ [ 134.479812][ T6057] loop0: detected capacity change from 0 to 4096 [pid 6057] mkdir("./bus", 0777 [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6055, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 6057] <... mkdir resumed>) = 0 [pid 5844] umount2("./40", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6057] mount("/dev/loop0", "./bus", "ntfs3", 0, "" [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5844] openat(AT_FDCWD, "./40", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5844] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5844] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5844] umount2("./40/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] newfstatat(AT_FDCWD, "./40/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] unlink("./40/binderfs") = 0 [pid 5844] umount2("./40/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 5844] umount2("./40/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] newfstatat(AT_FDCWD, "./40/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] umount2("./40/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] openat(AT_FDCWD, "./40/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5844] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5844] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5844] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5844] close(4 [pid 6058] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5844] <... close resumed>) = 0 [pid 5844] rmdir("./40/bus") = 0 [pid 5844] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5844] close(3) = 0 [pid 5844] rmdir("./40") = 0 [pid 5844] mkdir("./41", 0777) = 0 [pid 5844] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5844] ioctl(3, LOOP_CLR_FD) = 0 [pid 5844] close(3 [pid 6057] <... mount resumed>) = 0 [pid 6057] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6057] chdir("./bus") = 0 [pid 6057] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6057] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 6057] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 6057] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 6057] read(4, [pid 6052] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 6052] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 6052] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 6052] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 6052] exit_group(0 [pid 5844] <... close resumed>) = 0 [pid 6052] <... exit_group resumed>) = ? [pid 6052] +++ exited with 0 +++ [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6052, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 5846] umount2("./40", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5846] openat(AT_FDCWD, "./40", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5846] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5846] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5846] umount2("./40/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5846] newfstatat(AT_FDCWD, "./40/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5846] unlink("./40/binderfs") = 0 ./strace-static-x86_64: Process 6059 attached [pid 6059] set_robust_list(0x55557f708660, 24 [pid 5846] umount2("./40/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6059] <... set_robust_list resumed>) = 0 [pid 5846] <... umount2 resumed>) = 0 [pid 6059] chdir("./41" [pid 6058] <... write resumed>) = 2097152 [pid 5844] <... clone resumed>, child_tidptr=0x55557f708650) = 6059 [pid 6059] <... chdir resumed>) = 0 [pid 5846] umount2("./40/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6059] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5846] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6059] <... prctl resumed>) = 0 [pid 6058] munmap(0x7f8e0a400000, 138412032 [pid 5846] newfstatat(AT_FDCWD, "./40/bus", [pid 6059] setpgid(0, 0 [pid 5846] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6059] <... setpgid resumed>) = 0 [pid 5846] umount2("./40/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6059] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5846] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5846] openat(AT_FDCWD, "./40/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6059] <... openat resumed>) = 3 [pid 6058] <... munmap resumed>) = 0 [pid 5846] <... openat resumed>) = 4 [pid 5846] newfstatat(4, "", [pid 6059] write(3, "1000", 4 [pid 5846] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6059] <... write resumed>) = 4 [pid 5846] getdents64(4, [pid 6059] close(3 [pid 5846] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 6059] <... close resumed>) = 0 [pid 6058] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5846] getdents64(4, [pid 6058] <... openat resumed>) = 4 [pid 6058] ioctl(4, LOOP_SET_FD, 3 [pid 6059] symlink("/dev/binderfs", "./binderfs" [pid 5846] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5846] close(4 [pid 6058] <... ioctl resumed>) = 0 [pid 6059] <... symlink resumed>) = 0 [pid 5846] <... close resumed>) = 0 [pid 5846] rmdir("./40/bus" [pid 6058] close(3) = 0 [pid 6058] close(4 [pid 6059] write(1, "executing program\n", 18 [pid 6058] <... close resumed>) = 0 [pid 5846] <... rmdir resumed>) = 0 [pid 6058] mkdir("./bus", 0777 [pid 5846] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 executing program [pid 6059] <... write resumed>) = 18 [pid 6059] memfd_create("syzkaller", 0 [pid 6058] <... mkdir resumed>) = 0 [pid 5846] close(3) = 0 [pid 5846] rmdir("./40") = 0 [pid 5846] mkdir("./41", 0777 [pid 6059] <... memfd_create resumed>) = 3 [pid 5846] <... mkdir resumed>) = 0 [pid 6059] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5846] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6059] <... mmap resumed>) = 0x7f8e0a400000 [pid 5846] <... openat resumed>) = 3 [pid 6058] mount("/dev/loop3", "./bus", "ntfs3", 0, "" [pid 5846] ioctl(3, LOOP_CLR_FD) = 0 [ 134.786331][ T6058] loop3: detected capacity change from 0 to 4096 [pid 5846] close(3) = 0 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6060 attached , child_tidptr=0x55557f708650) = 6060 [pid 6060] set_robust_list(0x55557f708660, 24) = 0 [pid 6060] chdir("./41") = 0 [pid 6060] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6060] setpgid(0, 0) = 0 [pid 6060] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6060] write(3, "1000", 4 [pid 6058] <... mount resumed>) = 0 [pid 6060] <... write resumed>) = 4 [pid 6060] close(3) = 0 [pid 6060] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6058] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6059] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6058] <... openat resumed>) = 3 executing program [pid 6060] write(1, "executing program\n", 18) = 18 [pid 6058] chdir("./bus") = 0 [pid 6058] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6060] memfd_create("syzkaller", 0 [pid 6058] sched_setaffinity(0, 0, NULL [pid 6060] <... memfd_create resumed>) = 3 [pid 6058] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 6058] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 6060] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6058] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6060] <... mmap resumed>) = 0x7f8e0a400000 [pid 6058] <... openat resumed>) = 4 [pid 6058] read(4, [pid 6059] <... write resumed>) = 2097152 [pid 6059] munmap(0x7f8e0a400000, 138412032 [pid 6057] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 6059] <... munmap resumed>) = 0 [pid 6060] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6057] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 6057] rename(NULL, NULL [pid 6059] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6057] <... rename resumed>) = -1 EFAULT (Bad address) [pid 6059] <... openat resumed>) = 4 [pid 6057] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 6059] ioctl(4, LOOP_SET_FD, 3 [pid 6057] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6057] exit_group(0 [pid 6059] <... ioctl resumed>) = 0 [pid 6057] <... exit_group resumed>) = ? [pid 6059] close(3) = 0 [pid 6059] close(4) = 0 [pid 6057] +++ exited with 0 +++ [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6057, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=19 /* 0.19 s */} --- [pid 6059] mkdir("./bus", 0777 [pid 5842] restart_syscall(<... resuming interrupted clone ...> [pid 6059] <... mkdir resumed>) = 0 [pid 6059] mount("/dev/loop2", "./bus", "ntfs3", 0, "" [pid 5842] <... restart_syscall resumed>) = 0 [pid 5842] umount2("./40", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] openat(AT_FDCWD, "./40", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5842] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5842] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [ 135.030108][ T6059] loop2: detected capacity change from 0 to 4096 [pid 5842] umount2("./40/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./40/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] unlink("./40/binderfs") = 0 [pid 5842] umount2("./40/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 5842] umount2("./40/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./40/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] umount2("./40/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] openat(AT_FDCWD, "./40/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5842] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5842] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5842] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5842] close(4 [pid 6060] <... write resumed>) = 2097152 [pid 6060] munmap(0x7f8e0a400000, 138412032 [pid 5842] <... close resumed>) = 0 [pid 5842] rmdir("./40/bus") = 0 [pid 5842] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5842] close(3) = 0 [pid 5842] rmdir("./40") = 0 [pid 5842] mkdir("./41", 0777) = 0 [pid 5842] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6060] <... munmap resumed>) = 0 [pid 5842] <... openat resumed>) = 3 [pid 5842] ioctl(3, LOOP_CLR_FD) = 0 [pid 5842] close(3 [pid 6059] <... mount resumed>) = 0 [pid 6059] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6059] chdir("./bus") = 0 [pid 6059] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6059] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 6059] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 6059] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 6059] read(4, [pid 6060] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 6056] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 6060] ioctl(4, LOOP_SET_FD, 3 [pid 6056] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 6056] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 6056] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 6056] exit_group(0) = ? [pid 6060] <... ioctl resumed>) = 0 [pid 6056] +++ exited with 0 +++ [pid 5843] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6056, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=34 /* 0.34 s */} --- [pid 5843] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5842] <... close resumed>) = 0 [pid 6060] close(3) = 0 [pid 6060] close(4) = 0 [pid 6060] mkdir("./bus", 0777 [pid 5843] umount2("./37", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6060] <... mkdir resumed>) = 0 [pid 6060] mount("/dev/loop4", "./bus", "ntfs3", 0, "" [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] openat(AT_FDCWD, "./37", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5843] newfstatat(3, "", [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5843] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5843] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 ./strace-static-x86_64: Process 6061 attached [ 135.159847][ T6060] loop4: detected capacity change from 0 to 4096 [pid 5843] umount2("./37/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] <... clone resumed>, child_tidptr=0x55557f708650) = 6061 [pid 6061] set_robust_list(0x55557f708660, 24 [pid 5843] newfstatat(AT_FDCWD, "./37/binderfs", [pid 6061] <... set_robust_list resumed>) = 0 [pid 6061] chdir("./41" [pid 5843] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] unlink("./37/binderfs") = 0 [pid 6061] <... chdir resumed>) = 0 [pid 6061] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5843] umount2("./37/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6061] <... prctl resumed>) = 0 [pid 5843] <... umount2 resumed>) = 0 [pid 6061] setpgid(0, 0) = 0 [pid 6061] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5843] umount2("./37/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6061] <... openat resumed>) = 3 [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] newfstatat(AT_FDCWD, "./37/bus", [pid 6061] write(3, "1000", 4 [pid 5843] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6061] <... write resumed>) = 4 [pid 5843] umount2("./37/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6061] close(3 [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6061] <... close resumed>) = 0 [pid 5843] openat(AT_FDCWD, "./37/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6061] symlink("/dev/binderfs", "./binderfs" [pid 5843] <... openat resumed>) = 4 [pid 6061] <... symlink resumed>) = 0 [pid 5843] newfstatat(4, "", executing program {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6061] write(1, "executing program\n", 18 [pid 5843] getdents64(4, [pid 6061] <... write resumed>) = 18 [pid 5843] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 6061] memfd_create("syzkaller", 0 [pid 5843] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5843] close(4) = 0 [pid 5843] rmdir("./37/bus") = 0 [pid 5843] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5843] close(3) = 0 [pid 5843] rmdir("./37" [pid 6061] <... memfd_create resumed>) = 3 [pid 5843] <... rmdir resumed>) = 0 [pid 6061] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 [pid 6060] <... mount resumed>) = 0 [pid 5843] mkdir("./38", 0777 [pid 6060] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5843] <... mkdir resumed>) = 0 [pid 5843] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6060] <... openat resumed>) = 3 [pid 5843] <... openat resumed>) = 3 [pid 5843] ioctl(3, LOOP_CLR_FD) = 0 [pid 5843] close(3 [pid 6060] chdir("./bus") = 0 [pid 6060] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6060] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 6060] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 6060] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 6058] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 6060] read(4, [pid 6058] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 6058] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 6058] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 6058] exit_group(0) = ? [pid 6061] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6058] +++ exited with 0 +++ [pid 5845] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6058, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5845] umount2("./39", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5845] openat(AT_FDCWD, "./39", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5845] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5845] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5845] umount2("./39/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5845] newfstatat(AT_FDCWD, "./39/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5845] unlink("./39/binderfs") = 0 [pid 5845] umount2("./39/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 6061] <... write resumed>) = 2097152 [pid 5845] umount2("./39/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5843] <... close resumed>) = 0 [pid 5845] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5845] newfstatat(AT_FDCWD, "./39/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5845] umount2("./39/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5843] <... clone resumed>, child_tidptr=0x55557f708650) = 6062 [pid 5845] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6062 attached [pid 5845] openat(AT_FDCWD, "./39/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5845] newfstatat(4, "", [pid 6062] set_robust_list(0x55557f708660, 24 [pid 5845] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6062] <... set_robust_list resumed>) = 0 [pid 6061] munmap(0x7f8e0a400000, 138412032 [pid 5845] getdents64(4, [pid 6062] chdir("./38" [pid 5845] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 6062] <... chdir resumed>) = 0 [pid 6062] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5845] getdents64(4, [pid 6062] setpgid(0, 0 [pid 5845] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 6062] <... setpgid resumed>) = 0 [pid 5845] close(4 [pid 6062] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5845] <... close resumed>) = 0 [pid 6062] <... openat resumed>) = 3 [pid 5845] rmdir("./39/bus") = 0 [pid 6062] write(3, "1000", 4) = 4 [pid 5845] getdents64(3, [pid 6062] close(3 [pid 5845] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 6062] <... close resumed>) = 0 [pid 5845] close(3) = 0 [pid 6062] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5845] rmdir("./39") = 0 executing program [pid 6062] write(1, "executing program\n", 18 [pid 6061] <... munmap resumed>) = 0 [pid 6062] <... write resumed>) = 18 [pid 5845] mkdir("./40", 0777 [pid 6062] memfd_create("syzkaller", 0 [pid 6061] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5845] <... mkdir resumed>) = 0 [pid 6061] <... openat resumed>) = 4 [pid 6061] ioctl(4, LOOP_SET_FD, 3 [pid 6062] <... memfd_create resumed>) = 3 [pid 5845] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6062] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5845] <... openat resumed>) = 3 [pid 6062] <... mmap resumed>) = 0x7f8e0a400000 [pid 5845] ioctl(3, LOOP_CLR_FD) = 0 [pid 5845] close(3 [pid 6060] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 6061] <... ioctl resumed>) = 0 [pid 6061] close(3) = 0 [ 135.464976][ T6061] loop0: detected capacity change from 0 to 4096 [pid 6061] close(4) = 0 [pid 6060] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 6061] mkdir("./bus", 0777 [pid 6060] rename(NULL, NULL [pid 5845] <... close resumed>) = 0 [pid 5845] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6063 attached [pid 6063] set_robust_list(0x55557f708660, 24 [pid 5845] <... clone resumed>, child_tidptr=0x55557f708650) = 6063 [pid 6063] <... set_robust_list resumed>) = 0 [pid 6063] chdir("./40") = 0 [pid 6060] <... rename resumed>) = -1 EFAULT (Bad address) [pid 6063] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6061] <... mkdir resumed>) = 0 [pid 6060] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 6061] mount("/dev/loop0", "./bus", "ntfs3", 0, "" [pid 6060] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6063] <... prctl resumed>) = 0 [pid 6060] exit_group(0 [pid 6063] setpgid(0, 0 [pid 6060] <... exit_group resumed>) = ? [pid 6063] <... setpgid resumed>) = 0 [pid 6063] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6063] write(3, "1000", 4 [pid 6060] +++ exited with 0 +++ [pid 6063] <... write resumed>) = 4 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6060, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 6063] close(3 [pid 5846] restart_syscall(<... resuming interrupted clone ...> [pid 6063] <... close resumed>) = 0 [pid 6063] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5846] <... restart_syscall resumed>) = 0 [pid 6063] write(1, "executing program\n", 18executing program ) = 18 [pid 6063] memfd_create("syzkaller", 0 [pid 5846] umount2("./41", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5846] openat(AT_FDCWD, "./41", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6062] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5846] <... openat resumed>) = 3 [pid 5846] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5846] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5846] umount2("./41/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6063] <... memfd_create resumed>) = 3 [pid 5846] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6063] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5846] newfstatat(AT_FDCWD, "./41/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6063] <... mmap resumed>) = 0x7f8e0a400000 [pid 5846] unlink("./41/binderfs") = 0 [pid 5846] umount2("./41/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 5846] umount2("./41/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5846] newfstatat(AT_FDCWD, "./41/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5846] umount2("./41/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5846] openat(AT_FDCWD, "./41/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5846] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5846] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5846] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5846] close(4) = 0 [pid 5846] rmdir("./41/bus") = 0 [pid 5846] getdents64(3, [pid 6062] <... write resumed>) = 2097152 [pid 5846] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5846] close(3) = 0 [pid 5846] rmdir("./41") = 0 [pid 5846] mkdir("./42", 0777 [pid 6063] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6062] munmap(0x7f8e0a400000, 138412032 [pid 6061] <... mount resumed>) = 0 [pid 5846] <... mkdir resumed>) = 0 [pid 6062] <... munmap resumed>) = 0 [pid 6061] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5846] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5846] ioctl(3, LOOP_CLR_FD) = 0 [pid 5846] close(3 [pid 6061] <... openat resumed>) = 3 [pid 6061] chdir("./bus") = 0 [pid 6062] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6061] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6062] <... openat resumed>) = 4 [pid 6061] sched_setaffinity(0, 0, NULL [pid 6062] ioctl(4, LOOP_SET_FD, 3 [pid 6061] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 6061] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 6061] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 6061] read(4, [pid 5846] <... close resumed>) = 0 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6064 attached [pid 6064] set_robust_list(0x55557f708660, 24) = 0 [pid 6064] chdir("./42") = 0 [pid 6064] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6064] setpgid(0, 0) = 0 [pid 6064] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6063] <... write resumed>) = 2097152 [pid 5846] <... clone resumed>, child_tidptr=0x55557f708650) = 6064 [pid 6064] <... openat resumed>) = 3 [pid 6062] <... ioctl resumed>) = 0 [pid 6062] close(3 [pid 6064] write(3, "1000", 4 [pid 6062] <... close resumed>) = 0 [pid 6062] close(4 [pid 6064] <... write resumed>) = 4 [pid 6063] munmap(0x7f8e0a400000, 138412032 [pid 6062] <... close resumed>) = 0 [pid 6064] close(3 [pid 6062] mkdir("./bus", 0777 [pid 6064] <... close resumed>) = 0 [pid 6064] symlink("/dev/binderfs", "./binderfs") = 0 [ 135.680485][ T6062] loop1: detected capacity change from 0 to 4096 [pid 6064] write(1, "executing program\n", 18executing program ) = 18 [pid 6063] <... munmap resumed>) = 0 [pid 6062] <... mkdir resumed>) = 0 [pid 6064] memfd_create("syzkaller", 0 [pid 6063] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6062] mount("/dev/loop1", "./bus", "ntfs3", 0, "" [pid 6063] <... openat resumed>) = 4 [pid 6063] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6064] <... memfd_create resumed>) = 3 [pid 6064] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 [pid 6063] close(3) = 0 [pid 6063] close(4) = 0 [pid 6063] mkdir("./bus", 0777) = 0 [ 135.747463][ T6063] loop3: detected capacity change from 0 to 4096 [pid 6063] mount("/dev/loop3", "./bus", "ntfs3", 0, "" [pid 6064] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6063] <... mount resumed>) = 0 [pid 6062] <... mount resumed>) = 0 [pid 6063] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6062] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6063] <... openat resumed>) = 3 [pid 6062] <... openat resumed>) = 3 [pid 6063] chdir("./bus") = 0 [pid 6062] chdir("./bus" [pid 6063] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6062] <... chdir resumed>) = 0 [pid 6063] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6062] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6063] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 6062] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 6063] sched_setscheduler(0, SCHED_RR, NULL [pid 6062] sched_setscheduler(0, SCHED_RR, NULL [pid 6063] <... sched_setscheduler resumed>) = -1 EINVAL (Invalid argument) [pid 6062] <... sched_setscheduler resumed>) = -1 EINVAL (Invalid argument) [pid 6062] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 6063] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 6062] read(4, [pid 6063] read(4, [pid 6064] <... write resumed>) = 2097152 [pid 6064] munmap(0x7f8e0a400000, 138412032) = 0 [pid 6064] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 6064] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6064] close(3) = 0 [pid 6064] close(4) = 0 [pid 6064] mkdir("./bus", 0777) = 0 [ 135.963936][ T6064] loop4: detected capacity change from 0 to 4096 [pid 6064] mount("/dev/loop4", "./bus", "ntfs3", 0, "" [pid 6061] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 6061] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 6061] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 6061] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 6061] exit_group(0) = ? [pid 6061] +++ exited with 0 +++ [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6061, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 5842] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5842] umount2("./41", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] openat(AT_FDCWD, "./41", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5842] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5842] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5842] umount2("./41/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./41/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] unlink("./41/binderfs" [pid 6064] <... mount resumed>) = 0 [pid 6064] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5842] <... unlink resumed>) = 0 [pid 5842] umount2("./41/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6064] chdir("./bus") = 0 [pid 6064] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6064] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 6064] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5842] <... umount2 resumed>) = 0 [pid 6064] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 6064] read(4, [pid 5842] umount2("./41/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./41/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] umount2("./41/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] openat(AT_FDCWD, "./41/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5842] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5842] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5842] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5842] close(4) = 0 [pid 5842] rmdir("./41/bus") = 0 [pid 5842] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5842] close(3) = 0 [pid 5842] rmdir("./41") = 0 [pid 5842] mkdir("./42", 0777) = 0 [pid 5842] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5842] ioctl(3, LOOP_CLR_FD) = 0 [pid 5842] close(3 [pid 6059] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 6059] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 6059] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 6059] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 6059] exit_group(0) = ? [pid 6059] +++ exited with 0 +++ [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6059, si_uid=0, si_status=0, si_utime=0, si_stime=24 /* 0.24 s */} --- [pid 5844] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5844] umount2("./41", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] openat(AT_FDCWD, "./41", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5844] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5844] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5844] umount2("./41/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] <... close resumed>) = 0 [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5844] newfstatat(AT_FDCWD, "./41/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] unlink("./41/binderfs") = 0 [pid 5844] umount2("./41/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6065 attached [pid 5844] umount2("./41/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] newfstatat(AT_FDCWD, "./41/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6065] set_robust_list(0x55557f708660, 24 [pid 6063] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5844] umount2("./41/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] openat(AT_FDCWD, "./41/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6065] <... set_robust_list resumed>) = 0 [pid 6063] sched_setaffinity(0, 0, NULL [pid 5844] <... openat resumed>) = 4 [pid 5842] <... clone resumed>, child_tidptr=0x55557f708650) = 6065 [pid 6065] chdir("./42" [pid 6063] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5844] newfstatat(4, "", [pid 6065] <... chdir resumed>) = 0 [pid 6063] rename(NULL, NULL [pid 5844] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6065] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6063] <... rename resumed>) = -1 EFAULT (Bad address) [pid 6065] <... prctl resumed>) = 0 [pid 6063] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5844] getdents64(4, [pid 6063] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5844] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 6065] setpgid(0, 0 [pid 6063] exit_group(0 [pid 6065] <... setpgid resumed>) = 0 [pid 6063] <... exit_group resumed>) = ? [pid 5844] getdents64(4, [pid 6065] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5844] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5844] close(4) = 0 [pid 5844] rmdir("./41/bus" [pid 6065] <... openat resumed>) = 3 [pid 5844] <... rmdir resumed>) = 0 [pid 5844] getdents64(3, [pid 6065] write(3, "1000", 4) = 4 [pid 5844] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 6065] close(3) = 0 [pid 6065] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6065] write(1, "executing program\n", 18) = 18 executing program [pid 5844] close(3 [pid 6065] memfd_create("syzkaller", 0 [pid 6063] +++ exited with 0 +++ [pid 5844] <... close resumed>) = 0 [pid 5845] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6063, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=19 /* 0.19 s */} --- [pid 5844] rmdir("./41" [pid 6065] <... memfd_create resumed>) = 3 [pid 5845] umount2("./40", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5845] openat(AT_FDCWD, "./40", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6065] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 [pid 5845] <... openat resumed>) = 3 [pid 5845] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5844] <... rmdir resumed>) = 0 [pid 5845] getdents64(3, [pid 5844] mkdir("./42", 0777 [pid 5845] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5844] <... mkdir resumed>) = 0 [pid 5845] umount2("./40/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5844] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5845] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5845] newfstatat(AT_FDCWD, "./40/binderfs", [pid 5844] <... openat resumed>) = 3 [pid 5845] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] ioctl(3, LOOP_CLR_FD) = 0 [pid 5845] unlink("./40/binderfs" [pid 5844] close(3 [pid 5845] <... unlink resumed>) = 0 [pid 5845] umount2("./40/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 5845] umount2("./40/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5845] newfstatat(AT_FDCWD, "./40/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5845] umount2("./40/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5845] openat(AT_FDCWD, "./40/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5845] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5845] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5845] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5845] close(4) = 0 [pid 5845] rmdir("./40/bus") = 0 [pid 5845] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5845] close(3) = 0 [pid 5845] rmdir("./40") = 0 [pid 5844] <... close resumed>) = 0 [pid 5845] mkdir("./41", 0777 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5845] <... mkdir resumed>) = 0 [pid 5845] openat(AT_FDCWD, "/dev/loop3", O_RDWR./strace-static-x86_64: Process 6066 attached [pid 6065] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5844] <... clone resumed>, child_tidptr=0x55557f708650) = 6066 [pid 5845] <... openat resumed>) = 3 [pid 6066] set_robust_list(0x55557f708660, 24 [pid 5845] ioctl(3, LOOP_CLR_FD [pid 6066] <... set_robust_list resumed>) = 0 [pid 6066] chdir("./42" [pid 5845] <... ioctl resumed>) = 0 [pid 5845] close(3 [pid 6066] <... chdir resumed>) = 0 [pid 6066] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6064] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 6066] setpgid(0, 0) = 0 [pid 6066] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6066] write(3, "1000", 4) = 4 [pid 6064] sched_setaffinity(0, 0, NULL [pid 6066] close(3 [pid 6064] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 6066] <... close resumed>) = 0 [pid 6064] rename(NULL, NULL [pid 6066] symlink("/dev/binderfs", "./binderfs" [pid 6064] <... rename resumed>) = -1 EFAULT (Bad address) [pid 6066] <... symlink resumed>) = 0 [pid 6064] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 6066] write(1, "executing program\n", 18executing program ) = 18 [pid 6064] exit_group(0) = ? [pid 6066] memfd_create("syzkaller", 0 [pid 5845] <... close resumed>) = 0 [pid 6066] <... memfd_create resumed>) = 3 [pid 5845] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6067 attached [pid 6066] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6065] <... write resumed>) = 2097152 [pid 6064] +++ exited with 0 +++ [pid 5845] <... clone resumed>, child_tidptr=0x55557f708650) = 6067 [pid 6067] set_robust_list(0x55557f708660, 24) = 0 [pid 6066] <... mmap resumed>) = 0x7f8e0a400000 [pid 6067] chdir("./41" [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6064, si_uid=0, si_status=0, si_utime=0, si_stime=24 /* 0.24 s */} --- [pid 6067] <... chdir resumed>) = 0 [pid 5846] restart_syscall(<... resuming interrupted clone ...> [pid 6067] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5846] <... restart_syscall resumed>) = 0 [pid 6067] <... prctl resumed>) = 0 [pid 6067] setpgid(0, 0) = 0 [pid 5846] umount2("./42", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6067] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5846] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6067] <... openat resumed>) = 3 [pid 5846] openat(AT_FDCWD, "./42", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6067] write(3, "1000", 4 [pid 5846] <... openat resumed>) = 3 [pid 5846] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5846] getdents64(3, [pid 6067] <... write resumed>) = 4 [pid 5846] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 6067] close(3 [pid 6065] munmap(0x7f8e0a400000, 138412032 [pid 5846] umount2("./42/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6067] <... close resumed>) = 0 [pid 5846] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6067] symlink("/dev/binderfs", "./binderfs" [pid 5846] newfstatat(AT_FDCWD, "./42/binderfs", [pid 6067] <... symlink resumed>) = 0 [pid 5846] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 6067] write(1, "executing program\n", 18 [pid 6065] <... munmap resumed>) = 0 [pid 5846] unlink("./42/binderfs" [pid 6067] <... write resumed>) = 18 [pid 5846] <... unlink resumed>) = 0 [pid 5846] umount2("./42/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 5846] umount2("./42/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6067] memfd_create("syzkaller", 0 [pid 6065] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5846] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6065] <... openat resumed>) = 4 [pid 5846] newfstatat(AT_FDCWD, "./42/bus", [pid 6065] ioctl(4, LOOP_SET_FD, 3 [pid 5846] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6067] <... memfd_create resumed>) = 3 [pid 6065] <... ioctl resumed>) = 0 [pid 5846] umount2("./42/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6067] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6065] close(3 [pid 5846] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6067] <... mmap resumed>) = 0x7f8e0a400000 [pid 6065] <... close resumed>) = 0 [pid 5846] openat(AT_FDCWD, "./42/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6065] close(4 [pid 5846] <... openat resumed>) = 4 [pid 6066] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6065] <... close resumed>) = 0 [pid 6065] mkdir("./bus", 0777 [pid 5846] newfstatat(4, "", [pid 6065] <... mkdir resumed>) = 0 [pid 5846] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5846] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5846] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5846] close(4) = 0 [pid 5846] rmdir("./42/bus" [pid 6065] mount("/dev/loop0", "./bus", "ntfs3", 0, "" [pid 5846] <... rmdir resumed>) = 0 [pid 5846] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5846] close(3) = 0 [pid 5846] rmdir("./42") = 0 [pid 5846] mkdir("./43", 0777) = 0 [pid 5846] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5846] ioctl(3, LOOP_CLR_FD) = 0 [ 136.617099][ T6065] loop0: detected capacity change from 0 to 4096 [pid 5846] close(3 [pid 6067] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6066] <... write resumed>) = 2097152 [pid 6066] munmap(0x7f8e0a400000, 138412032) = 0 [pid 6066] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 6066] ioctl(4, LOOP_SET_FD, 3 [pid 5846] <... close resumed>) = 0 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6068 attached [pid 6067] <... write resumed>) = 2097152 [pid 6068] set_robust_list(0x55557f708660, 24) = 0 [pid 6068] chdir("./43" [pid 6067] munmap(0x7f8e0a400000, 138412032 [pid 6066] <... ioctl resumed>) = 0 [pid 6068] <... chdir resumed>) = 0 [pid 6065] <... mount resumed>) = 0 [pid 5846] <... clone resumed>, child_tidptr=0x55557f708650) = 6068 [pid 6066] close(3) = 0 [pid 6068] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6066] close(4 [pid 6068] <... prctl resumed>) = 0 [pid 6067] <... munmap resumed>) = 0 [pid 6066] <... close resumed>) = 0 [pid 6065] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6068] setpgid(0, 0 [pid 6065] <... openat resumed>) = 3 [pid 6068] <... setpgid resumed>) = 0 [pid 6066] mkdir("./bus", 0777 [pid 6068] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6065] chdir("./bus") = 0 [pid 6068] <... openat resumed>) = 3 [pid 6065] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6068] write(3, "1000", 4 [pid 6067] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6066] <... mkdir resumed>) = 0 [pid 6065] sched_setaffinity(0, 0, NULL [ 136.752466][ T6066] loop2: detected capacity change from 0 to 4096 [pid 6068] <... write resumed>) = 4 [pid 6067] <... openat resumed>) = 4 [pid 6066] mount("/dev/loop2", "./bus", "ntfs3", 0, "" [pid 6065] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 6068] close(3 [pid 6067] ioctl(4, LOOP_SET_FD, 3 [pid 6068] <... close resumed>) = 0 [pid 6068] symlink("/dev/binderfs", "./binderfs" [pid 6065] sched_setscheduler(0, SCHED_RR, NULL [pid 6068] <... symlink resumed>) = 0 [pid 6065] <... sched_setscheduler resumed>) = -1 EINVAL (Invalid argument) [pid 6068] write(1, "executing program\n", 18 [pid 6065] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 6065] read(4, [pid 6068] <... write resumed>) = 18 executing program [pid 6068] memfd_create("syzkaller", 0 [pid 6067] <... ioctl resumed>) = 0 [pid 6067] close(3) = 0 [pid 6067] close(4) = 0 [pid 6067] mkdir("./bus", 0777) = 0 [pid 6067] mount("/dev/loop3", "./bus", "ntfs3", 0, "" [pid 6068] <... memfd_create resumed>) = 3 [pid 6068] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 [pid 6062] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 6062] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 6062] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 6062] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 6062] exit_group(0) = ? [pid 6062] +++ exited with 0 +++ [pid 5843] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6062, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 5843] restart_syscall(<... resuming interrupted clone ...>) = 0 [ 136.800037][ T6067] loop3: detected capacity change from 0 to 4096 [pid 5843] umount2("./38", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5843] openat(AT_FDCWD, "./38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5843] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5843] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5843] umount2("./38/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5843] newfstatat(AT_FDCWD, "./38/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] unlink("./38/binderfs") = 0 [pid 6066] <... mount resumed>) = 0 [pid 5843] umount2("./38/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6066] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6066] chdir("./bus") = 0 [pid 6066] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5843] <... umount2 resumed>) = 0 [pid 5843] umount2("./38/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6066] sched_setaffinity(0, 0, NULL [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6066] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5843] newfstatat(AT_FDCWD, "./38/bus", [pid 6066] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5843] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6066] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 5843] umount2("./38/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6066] read(4, [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] openat(AT_FDCWD, "./38/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5843] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5843] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5843] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5843] close(4) = 0 [pid 5843] rmdir("./38/bus" [pid 6067] <... mount resumed>) = 0 [pid 5843] <... rmdir resumed>) = 0 [pid 6068] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6067] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5843] getdents64(3, [pid 6067] chdir("./bus") = 0 [pid 5843] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 6067] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5843] close(3 [pid 6067] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5843] <... close resumed>) = 0 [pid 6067] sched_setaffinity(0, 0, NULL [pid 5843] rmdir("./38" [pid 6067] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5843] <... rmdir resumed>) = 0 [pid 6067] sched_setscheduler(0, SCHED_RR, NULL [pid 5843] mkdir("./39", 0777 [pid 6067] <... sched_setscheduler resumed>) = -1 EINVAL (Invalid argument) [pid 6067] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5843] <... mkdir resumed>) = 0 [pid 6067] <... openat resumed>) = 4 [pid 6067] read(4, [pid 5843] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5843] ioctl(3, LOOP_CLR_FD) = 0 [pid 5843] close(3 [pid 6068] <... write resumed>) = 2097152 [pid 6068] munmap(0x7f8e0a400000, 138412032 [pid 5843] <... close resumed>) = 0 [pid 6068] <... munmap resumed>) = 0 [pid 6068] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 6068] ioctl(4, LOOP_SET_FD, 3 [pid 5843] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6069 attached , child_tidptr=0x55557f708650) = 6069 [pid 6069] set_robust_list(0x55557f708660, 24) = 0 [pid 6069] chdir("./39") = 0 [pid 6069] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6069] setpgid(0, 0) = 0 [pid 6069] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6069] write(3, "1000", 4) = 4 [pid 6069] close(3) = 0 [pid 6069] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6069] write(1, "executing program\n", 18) = 18 [pid 6069] memfd_create("syzkaller", 0 [pid 6068] <... ioctl resumed>) = 0 [pid 6069] <... memfd_create resumed>) = 3 [pid 6068] close(3 [pid 6069] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6068] <... close resumed>) = 0 [pid 6069] <... mmap resumed>) = 0x7f8e0a400000 [pid 6068] close(4) = 0 [ 137.062567][ T6068] loop4: detected capacity change from 0 to 4096 [pid 6068] mkdir("./bus", 0777) = 0 [pid 6068] mount("/dev/loop4", "./bus", "ntfs3", 0, "") = 0 [pid 6068] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6068] chdir("./bus") = 0 [pid 6068] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6068] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 6068] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 6068] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 6068] read(4, [pid 6069] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 6069] munmap(0x7f8e0a400000, 138412032) = 0 [pid 6069] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 6069] ioctl(4, LOOP_SET_FD, 3 [pid 6065] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 6065] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 6065] rename(NULL, NULL [pid 6069] <... ioctl resumed>) = 0 [pid 6065] <... rename resumed>) = -1 EFAULT (Bad address) [pid 6065] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 6065] exit_group(0 [pid 6069] close(3) = 0 [pid 6069] close(4 [pid 6065] <... exit_group resumed>) = ? [pid 6069] <... close resumed>) = 0 [ 137.350807][ T6069] loop1: detected capacity change from 0 to 4096 [pid 6069] mkdir("./bus", 0777) = 0 [pid 6069] mount("/dev/loop1", "./bus", "ntfs3", 0, "" [pid 6065] +++ exited with 0 +++ [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6065, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=17 /* 0.17 s */} --- [pid 5842] umount2("./42", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] openat(AT_FDCWD, "./42", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5842] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5842] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5842] umount2("./42/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./42/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] unlink("./42/binderfs") = 0 [pid 5842] umount2("./42/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 5842] umount2("./42/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./42/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6067] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5842] umount2("./42/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] openat(AT_FDCWD, "./42/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6067] sched_setaffinity(0, 0, NULL [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, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 6069] <... mount resumed>) = 0 [pid 6067] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 6069] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6067] rename(NULL, NULL [pid 5842] getdents64(4, [pid 6069] <... openat resumed>) = 3 [pid 6067] <... rename resumed>) = -1 EFAULT (Bad address) [pid 6069] chdir("./bus" [pid 6067] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5842] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 6069] <... chdir resumed>) = 0 [pid 6067] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5842] close(4 [pid 6069] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6067] exit_group(0 [pid 5842] <... close resumed>) = 0 [pid 6067] <... exit_group resumed>) = ? [pid 5842] rmdir("./42/bus") = 0 [pid 5842] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 6069] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5842] close(3) = 0 [pid 5842] rmdir("./42" [pid 6069] sched_setaffinity(0, 0, NULL [pid 6067] +++ exited with 0 +++ [pid 5842] <... rmdir resumed>) = 0 [pid 6069] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 6069] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5845] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6067, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=15 /* 0.15 s */} --- [pid 6069] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5845] restart_syscall(<... resuming interrupted clone ...> [pid 6069] <... openat resumed>) = 4 [pid 6069] read(4, [pid 5842] mkdir("./43", 0777 [pid 5845] <... restart_syscall resumed>) = 0 [pid 5842] <... mkdir resumed>) = 0 [pid 5845] umount2("./41", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5845] openat(AT_FDCWD, "./41", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5842] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5845] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5842] ioctl(3, LOOP_CLR_FD [pid 5845] getdents64(3, [pid 5842] <... ioctl resumed>) = 0 [pid 5845] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5842] close(3 [pid 5845] umount2("./41/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5845] newfstatat(AT_FDCWD, "./41/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5845] unlink("./41/binderfs") = 0 [pid 5845] umount2("./41/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] <... close resumed>) = 0 [pid 5845] <... umount2 resumed>) = 0 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6070 attached [pid 5845] umount2("./41/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6070] set_robust_list(0x55557f708660, 24) = 0 [pid 5845] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] <... clone resumed>, child_tidptr=0x55557f708650) = 6070 [pid 6070] chdir("./43" [pid 5845] newfstatat(AT_FDCWD, "./41/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5845] umount2("./41/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5845] openat(AT_FDCWD, "./41/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6070] <... chdir resumed>) = 0 [pid 5845] <... openat resumed>) = 4 [pid 5845] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6070] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5845] getdents64(4, [pid 6070] <... prctl resumed>) = 0 [pid 5845] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 6070] setpgid(0, 0 [pid 5845] getdents64(4, [pid 6070] <... setpgid resumed>) = 0 [pid 5845] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 6070] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5845] close(4) = 0 [pid 6070] <... openat resumed>) = 3 [pid 5845] rmdir("./41/bus" [pid 6070] write(3, "1000", 4 [pid 5845] <... rmdir resumed>) = 0 [pid 6070] <... write resumed>) = 4 [pid 6070] close(3) = 0 [pid 6066] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 6070] symlink("/dev/binderfs", "./binderfs" [pid 6066] sched_setaffinity(0, 0, NULL [pid 5845] getdents64(3, [pid 6066] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 6070] <... symlink resumed>) = 0 [pid 6066] rename(NULL, NULL [pid 5845] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 executing program [pid 6070] write(1, "executing program\n", 18 [pid 6066] <... rename resumed>) = -1 EFAULT (Bad address) [pid 5845] close(3 [pid 6066] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 6070] <... write resumed>) = 18 [pid 6066] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5845] <... close resumed>) = 0 [pid 5845] rmdir("./41" [pid 6070] memfd_create("syzkaller", 0 [pid 6066] exit_group(0 [pid 5845] <... rmdir resumed>) = 0 [pid 6066] <... exit_group resumed>) = ? [pid 5845] mkdir("./42", 0777) = 0 [pid 6066] +++ exited with 0 +++ [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6066, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 5844] restart_syscall(<... resuming interrupted clone ...> [pid 6070] <... memfd_create resumed>) = 3 [pid 5845] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6070] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5845] <... openat resumed>) = 3 [pid 6070] <... mmap resumed>) = 0x7f8e0a400000 [pid 5845] ioctl(3, LOOP_CLR_FD) = 0 [pid 5844] <... restart_syscall resumed>) = 0 [pid 5845] close(3 [pid 5844] umount2("./42", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] openat(AT_FDCWD, "./42", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5844] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5844] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5844] umount2("./42/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] newfstatat(AT_FDCWD, "./42/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] unlink("./42/binderfs") = 0 [pid 5844] umount2("./42/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 5844] umount2("./42/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] newfstatat(AT_FDCWD, "./42/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] umount2("./42/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] openat(AT_FDCWD, "./42/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5844] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5844] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5844] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5844] close(4) = 0 [pid 5844] rmdir("./42/bus") = 0 [pid 5844] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5844] close(3) = 0 [pid 5844] rmdir("./42") = 0 [pid 5844] mkdir("./43", 0777 [pid 5845] <... close resumed>) = 0 [pid 5844] <... mkdir resumed>) = 0 [pid 5844] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 6070] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5844] ioctl(3, LOOP_CLR_FD) = 0 [pid 5844] close(3 [pid 5845] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6071 attached [pid 6069] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 6071] set_robust_list(0x55557f708660, 24 [pid 6069] sched_setaffinity(0, 0, NULL [pid 5845] <... clone resumed>, child_tidptr=0x55557f708650) = 6071 [pid 6071] <... set_robust_list resumed>) = 0 [pid 6071] chdir("./42" [pid 6069] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 6071] <... chdir resumed>) = 0 [pid 6069] rename(NULL, NULL [pid 6071] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6069] <... rename resumed>) = -1 EFAULT (Bad address) [pid 6071] setpgid(0, 0 [pid 6069] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 6071] <... setpgid resumed>) = 0 [pid 6069] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6071] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6069] exit_group(0 [pid 6071] <... openat resumed>) = 3 [pid 6069] <... exit_group resumed>) = ? [pid 6071] write(3, "1000", 4) = 4 [pid 6071] close(3 [pid 5844] <... close resumed>) = 0 [pid 6071] <... close resumed>) = 0 [pid 6070] <... write resumed>) = 2097152 [pid 6069] +++ exited with 0 +++ [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5843] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6069, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5843] umount2("./39", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5843] openat(AT_FDCWD, "./39", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5843] newfstatat(3, "", [pid 6071] symlink("/dev/binderfs", "./binderfs" [pid 5843] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 ./strace-static-x86_64: Process 6072 attached [pid 6071] <... symlink resumed>) = 0 [pid 5843] getdents64(3, executing program [pid 6072] set_robust_list(0x55557f708660, 24 [pid 6071] write(1, "executing program\n", 18 [pid 5843] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 6072] <... set_robust_list resumed>) = 0 [pid 6071] <... write resumed>) = 18 [pid 5843] umount2("./39/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5843] newfstatat(AT_FDCWD, "./39/binderfs", [pid 5844] <... clone resumed>, child_tidptr=0x55557f708650) = 6072 [pid 5843] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] unlink("./39/binderfs" [pid 6072] chdir("./43" [pid 6071] memfd_create("syzkaller", 0 [pid 5843] <... unlink resumed>) = 0 [pid 6072] <... chdir resumed>) = 0 [pid 6071] <... memfd_create resumed>) = 3 [pid 5843] umount2("./39/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6072] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6071] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6072] <... prctl resumed>) = 0 [pid 6071] <... mmap resumed>) = 0x7f8e0a400000 [pid 6070] munmap(0x7f8e0a400000, 138412032 [pid 5843] <... umount2 resumed>) = 0 [pid 5843] umount2("./39/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5843] newfstatat(AT_FDCWD, "./39/bus", [pid 6072] setpgid(0, 0 [pid 5843] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6072] <... setpgid resumed>) = 0 [pid 5843] umount2("./39/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6072] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6072] <... openat resumed>) = 3 [pid 5843] openat(AT_FDCWD, "./39/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6072] write(3, "1000", 4 [pid 5843] <... openat resumed>) = 4 [pid 5843] newfstatat(4, "", [pid 6072] <... write resumed>) = 4 [pid 6072] close(3) = 0 [pid 6072] symlink("/dev/binderfs", "./binderfs" [pid 5843] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5843] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5843] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5843] close(4) = 0 [pid 5843] rmdir("./39/bus" [pid 6072] <... symlink resumed>) = 0 executing program [pid 6072] write(1, "executing program\n", 18 [pid 6070] <... munmap resumed>) = 0 [pid 6072] <... write resumed>) = 18 [pid 6070] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5843] <... rmdir resumed>) = 0 [pid 5843] getdents64(3, [pid 6072] memfd_create("syzkaller", 0 [pid 6070] <... openat resumed>) = 4 [pid 6070] ioctl(4, LOOP_SET_FD, 3 [pid 5843] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5843] close(3) = 0 [pid 5843] rmdir("./39") = 0 [pid 5843] mkdir("./40", 0777 [pid 6072] <... memfd_create resumed>) = 3 [pid 6070] <... ioctl resumed>) = 0 [pid 6072] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 [pid 5843] <... mkdir resumed>) = 0 [pid 5843] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6071] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6070] close(3) = 0 [pid 6070] close(4) = 0 [pid 5843] <... openat resumed>) = 3 [pid 5843] ioctl(3, LOOP_CLR_FD [pid 6070] mkdir("./bus", 0777 [pid 5843] <... ioctl resumed>) = 0 [pid 5843] close(3 [pid 6070] <... mkdir resumed>) = 0 [pid 6068] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [ 137.877226][ T6070] loop0: detected capacity change from 0 to 4096 [pid 6072] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6070] mount("/dev/loop0", "./bus", "ntfs3", 0, "" [pid 6068] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 6068] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 6068] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 6068] exit_group(0) = ? [pid 6068] +++ exited with 0 +++ [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6068, si_uid=0, si_status=0, si_utime=0, si_stime=25 /* 0.25 s */} --- [pid 5846] umount2("./43", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5843] <... close resumed>) = 0 [pid 5846] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5846] openat(AT_FDCWD, "./43", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5846] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6071] <... write resumed>) = 2097152 [pid 5846] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5846] umount2("./43/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5846] newfstatat(AT_FDCWD, "./43/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6073 attached [pid 6072] <... write resumed>) = 2097152 [pid 6071] munmap(0x7f8e0a400000, 138412032 [pid 6070] <... mount resumed>) = 0 [pid 5846] unlink("./43/binderfs" [pid 5843] <... clone resumed>, child_tidptr=0x55557f708650) = 6073 [pid 6073] set_robust_list(0x55557f708660, 24 [pid 6072] munmap(0x7f8e0a400000, 138412032 [pid 6071] <... munmap resumed>) = 0 [pid 6070] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5846] <... unlink resumed>) = 0 [pid 6073] <... set_robust_list resumed>) = 0 [pid 6070] <... openat resumed>) = 3 [pid 5846] umount2("./43/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6073] chdir("./40" [pid 6070] chdir("./bus") = 0 [pid 6073] <... chdir resumed>) = 0 [pid 6070] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6073] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6070] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6073] <... prctl resumed>) = 0 [pid 6073] setpgid(0, 0 [pid 6072] <... munmap resumed>) = 0 [pid 6071] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6070] sched_setaffinity(0, 0, NULL [pid 5846] <... umount2 resumed>) = 0 [pid 6073] <... setpgid resumed>) = 0 [pid 6073] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6072] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6071] <... openat resumed>) = 4 [pid 6070] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 6073] <... openat resumed>) = 3 [pid 6072] <... openat resumed>) = 4 [pid 6071] ioctl(4, LOOP_SET_FD, 3 [pid 5846] umount2("./43/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6072] ioctl(4, LOOP_SET_FD, 3 [pid 6070] sched_setscheduler(0, SCHED_RR, NULL [pid 5846] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6073] write(3, "1000", 4 [pid 6071] <... ioctl resumed>) = 0 [pid 6073] <... write resumed>) = 4 [pid 6073] close(3 [pid 6071] close(3 [pid 6073] <... close resumed>) = 0 [pid 6071] <... close resumed>) = 0 [pid 6073] symlink("/dev/binderfs", "./binderfs" [pid 6071] close(4 [pid 6073] <... symlink resumed>) = 0 [pid 6072] <... ioctl resumed>) = 0 executing program [pid 6070] <... sched_setscheduler resumed>) = -1 EINVAL (Invalid argument) [pid 5846] newfstatat(AT_FDCWD, "./43/bus", [pid 6073] write(1, "executing program\n", 18 [pid 6072] close(3 [pid 6071] <... close resumed>) = 0 [pid 6070] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6073] <... write resumed>) = 18 [pid 6071] mkdir("./bus", 0777 [pid 5846] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6073] memfd_create("syzkaller", 0 [pid 6072] <... close resumed>) = 0 [pid 6071] <... mkdir resumed>) = 0 [pid 6070] <... openat resumed>) = 4 [pid 5846] umount2("./43/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6073] <... memfd_create resumed>) = 3 [pid 6071] mount("/dev/loop3", "./bus", "ntfs3", 0, "" [pid 6070] read(4, [pid 5846] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6073] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6072] close(4 [pid 5846] openat(AT_FDCWD, "./43/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6073] <... mmap resumed>) = 0x7f8e0a400000 [pid 6072] <... close resumed>) = 0 [pid 5846] <... openat resumed>) = 4 [pid 5846] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6072] mkdir("./bus", 0777 [pid 5846] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5846] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5846] close(4) = 0 [pid 5846] rmdir("./43/bus" [pid 6072] <... mkdir resumed>) = 0 [pid 5846] <... rmdir resumed>) = 0 [pid 5846] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5846] close(3) = 0 [pid 5846] rmdir("./43") = 0 [pid 6072] mount("/dev/loop2", "./bus", "ntfs3", 0, "" [ 138.024641][ T6071] loop3: detected capacity change from 0 to 4096 [ 138.024704][ T6072] loop2: detected capacity change from 0 to 4096 [pid 5846] mkdir("./44", 0777) = 0 [pid 5846] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5846] ioctl(3, LOOP_CLR_FD) = 0 [pid 5846] close(3 [pid 6072] <... mount resumed>) = 0 [pid 6072] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6072] chdir("./bus") = 0 [pid 6072] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5846] <... close resumed>) = 0 [pid 6072] sched_setaffinity(0, 0, NULL [pid 6071] <... mount resumed>) = 0 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6072] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 6071] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 ./strace-static-x86_64: Process 6074 attached [pid 6073] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6072] sched_setscheduler(0, SCHED_RR, NULL [pid 6074] set_robust_list(0x55557f708660, 24 [pid 6072] <... sched_setscheduler resumed>) = -1 EINVAL (Invalid argument) [pid 5846] <... clone resumed>, child_tidptr=0x55557f708650) = 6074 [pid 6074] <... set_robust_list resumed>) = 0 [pid 6072] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6071] chdir("./bus" [pid 6074] chdir("./44" [pid 6071] <... chdir resumed>) = 0 [pid 6074] <... chdir resumed>) = 0 [pid 6072] <... openat resumed>) = 4 [pid 6071] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6074] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6072] read(4, [pid 6074] <... prctl resumed>) = 0 [pid 6071] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6074] setpgid(0, 0 [pid 6071] sched_setaffinity(0, 0, NULL [pid 6074] <... setpgid resumed>) = 0 [pid 6071] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 6071] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 6074] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6071] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 6071] read(4, [pid 6074] <... openat resumed>) = 3 [pid 6074] write(3, "1000", 4) = 4 [pid 6074] close(3) = 0 [pid 6074] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6074] write(1, "executing program\n", 18executing program ) = 18 [pid 6074] memfd_create("syzkaller", 0) = 3 [pid 6074] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 [pid 6073] <... write resumed>) = 2097152 [pid 6073] munmap(0x7f8e0a400000, 138412032) = 0 [pid 6073] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 6073] ioctl(4, LOOP_SET_FD, 3 [pid 6074] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6073] <... ioctl resumed>) = 0 [pid 6073] close(3) = 0 [pid 6073] close(4) = 0 [pid 6073] mkdir("./bus", 0777) = 0 [ 138.330232][ T6073] loop1: detected capacity change from 0 to 4096 [pid 6073] mount("/dev/loop1", "./bus", "ntfs3", 0, "" [pid 6074] <... write resumed>) = 2097152 [pid 6073] <... mount resumed>) = 0 [pid 6074] munmap(0x7f8e0a400000, 138412032 [pid 6073] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6073] chdir("./bus") = 0 [pid 6073] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6072] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 6073] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 6073] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 6073] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 6073] read(4, [pid 6072] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 6074] <... munmap resumed>) = 0 [pid 6072] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 6072] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 6072] exit_group(0 [pid 6074] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 6072] <... exit_group resumed>) = ? [pid 6074] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6072] +++ exited with 0 +++ [pid 6074] close(3) = 0 [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6072, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=16 /* 0.16 s */} --- [pid 5844] umount2("./43", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] openat(AT_FDCWD, "./43", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5844] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6074] close(4 [pid 5844] getdents64(3, [pid 6074] <... close resumed>) = 0 [pid 5844] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 6074] mkdir("./bus", 0777 [pid 5844] umount2("./43/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6074] <... mkdir resumed>) = 0 [pid 5844] newfstatat(AT_FDCWD, "./43/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] unlink("./43/binderfs" [pid 6074] mount("/dev/loop4", "./bus", "ntfs3", 0, "" [pid 5844] <... unlink resumed>) = 0 [ 138.515669][ T6074] loop4: detected capacity change from 0 to 4096 [pid 5844] umount2("./43/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 5844] umount2("./43/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] newfstatat(AT_FDCWD, "./43/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] umount2("./43/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] openat(AT_FDCWD, "./43/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5844] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5844] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5844] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5844] close(4) = 0 [pid 5844] rmdir("./43/bus" [pid 6074] <... mount resumed>) = 0 [pid 6070] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 6070] sched_setaffinity(0, 0, NULL [pid 6074] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5844] <... rmdir resumed>) = 0 [pid 6074] <... openat resumed>) = 3 [pid 6070] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5844] getdents64(3, [pid 6070] rename(NULL, NULL [pid 5844] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 6070] <... rename resumed>) = -1 EFAULT (Bad address) [pid 5844] close(3 [pid 6074] chdir("./bus" [pid 5844] <... close resumed>) = 0 [pid 6074] <... chdir resumed>) = 0 [pid 6070] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5844] rmdir("./43" [pid 6074] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6070] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6074] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6070] exit_group(0 [pid 5844] <... rmdir resumed>) = 0 [pid 6074] sched_setaffinity(0, 0, NULL [pid 6070] <... exit_group resumed>) = ? [pid 5844] mkdir("./44", 0777 [pid 6074] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 6074] sched_setscheduler(0, SCHED_RR, NULL [pid 5844] <... mkdir resumed>) = 0 [pid 6074] <... sched_setscheduler resumed>) = -1 EINVAL (Invalid argument) [pid 5844] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6074] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5844] <... openat resumed>) = 3 [pid 6074] <... openat resumed>) = 4 [pid 5844] ioctl(3, LOOP_CLR_FD [pid 6074] read(4, [pid 5844] <... ioctl resumed>) = 0 [pid 5844] close(3 [pid 6070] +++ exited with 0 +++ [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6070, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=18 /* 0.18 s */} --- [pid 5842] umount2("./43", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] openat(AT_FDCWD, "./43", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5842] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5842] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5842] umount2("./43/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./43/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] unlink("./43/binderfs" [pid 5844] <... close resumed>) = 0 [pid 5842] <... unlink resumed>) = 0 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5842] umount2("./43/bus", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6075 attached ) = 0 [pid 5844] <... clone resumed>, child_tidptr=0x55557f708650) = 6075 [pid 6075] set_robust_list(0x55557f708660, 24) = 0 [pid 6075] chdir("./44") = 0 [pid 6075] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5842] umount2("./43/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6075] setpgid(0, 0) = 0 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./43/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6075] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5842] umount2("./43/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] openat(AT_FDCWD, "./43/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5842] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6075] <... openat resumed>) = 3 [pid 5842] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 6075] write(3, "1000", 4 [pid 5842] getdents64(4, [pid 6075] <... write resumed>) = 4 [pid 5842] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 6075] close(3 [pid 5842] close(4 [pid 6075] <... close resumed>) = 0 [pid 5842] <... close resumed>) = 0 [pid 6075] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5842] rmdir("./43/bus" executing program [pid 6075] write(1, "executing program\n", 18 [pid 5842] <... rmdir resumed>) = 0 [pid 6075] <... write resumed>) = 18 [pid 6075] memfd_create("syzkaller", 0 [pid 5842] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5842] close(3) = 0 [pid 6075] <... memfd_create resumed>) = 3 [pid 5842] rmdir("./43") = 0 [pid 6075] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5842] mkdir("./44", 0777 [pid 6075] <... mmap resumed>) = 0x7f8e0a400000 [pid 5842] <... mkdir resumed>) = 0 [pid 5842] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5842] ioctl(3, LOOP_CLR_FD) = 0 [pid 5842] close(3 [pid 6071] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 6071] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 6071] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 6071] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 6071] exit_group(0) = ? [pid 6071] +++ exited with 0 +++ [pid 5845] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6071, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=21 /* 0.21 s */} --- [pid 5845] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5845] umount2("./42", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5845] openat(AT_FDCWD, "./42", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5845] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5845] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5845] umount2("./42/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5845] newfstatat(AT_FDCWD, "./42/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5845] unlink("./42/binderfs") = 0 [pid 5845] umount2("./42/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 6074] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5842] <... close resumed>) = 0 [pid 6074] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 6074] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 6074] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 6074] exit_group(0) = ? [pid 5845] umount2("./42/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5845] newfstatat(AT_FDCWD, "./42/bus", [pid 6074] +++ exited with 0 +++ ./strace-static-x86_64: Process 6076 attached [pid 5845] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6076] set_robust_list(0x55557f708660, 24 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6074, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 5845] umount2("./42/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6076] <... set_robust_list resumed>) = 0 [pid 5842] <... clone resumed>, child_tidptr=0x55557f708650) = 6076 [pid 5846] restart_syscall(<... resuming interrupted clone ...> [pid 5845] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6076] chdir("./44" [pid 5845] openat(AT_FDCWD, "./42/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6076] <... chdir resumed>) = 0 [pid 6076] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5846] <... restart_syscall resumed>) = 0 [pid 5845] <... openat resumed>) = 4 [pid 6076] <... prctl resumed>) = 0 [pid 5845] newfstatat(4, "", [pid 6076] setpgid(0, 0 [pid 5845] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6076] <... setpgid resumed>) = 0 [pid 5846] umount2("./44", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5845] getdents64(4, [pid 6076] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6075] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5846] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5845] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5846] openat(AT_FDCWD, "./44", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5845] getdents64(4, [pid 5846] <... openat resumed>) = 3 [pid 5845] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5846] newfstatat(3, "", [pid 5845] close(4 [pid 6076] <... openat resumed>) = 3 [pid 5846] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5845] <... close resumed>) = 0 [pid 6076] write(3, "1000", 4 [pid 5846] getdents64(3, [pid 5845] rmdir("./42/bus" [pid 6076] <... write resumed>) = 4 [pid 5846] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5845] <... rmdir resumed>) = 0 [pid 6076] close(3 [pid 5846] umount2("./44/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5845] getdents64(3, [pid 6076] <... close resumed>) = 0 [pid 5846] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5845] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 6076] symlink("/dev/binderfs", "./binderfs" [pid 5846] newfstatat(AT_FDCWD, "./44/binderfs", [pid 5845] close(3 [pid 6076] <... symlink resumed>) = 0 [pid 5846] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5845] <... close resumed>) = 0 executing program [pid 6076] write(1, "executing program\n", 18 [pid 5846] unlink("./44/binderfs" [pid 5845] rmdir("./42" [pid 6076] <... write resumed>) = 18 [pid 5846] <... unlink resumed>) = 0 [pid 5845] <... rmdir resumed>) = 0 [pid 5846] umount2("./44/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5845] mkdir("./43", 0777 [pid 5846] <... umount2 resumed>) = 0 [pid 6076] memfd_create("syzkaller", 0 [pid 5845] <... mkdir resumed>) = 0 [pid 6076] <... memfd_create resumed>) = 3 [pid 6076] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5846] umount2("./44/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6076] <... mmap resumed>) = 0x7f8e0a400000 [pid 5846] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5846] newfstatat(AT_FDCWD, "./44/bus", [pid 5845] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5846] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5845] <... openat resumed>) = 3 [pid 5846] umount2("./44/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6075] <... write resumed>) = 2097152 [pid 5845] ioctl(3, LOOP_CLR_FD [pid 6075] munmap(0x7f8e0a400000, 138412032 [pid 5846] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5845] <... ioctl resumed>) = 0 [pid 5846] openat(AT_FDCWD, "./44/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5845] close(3 [pid 5846] <... openat resumed>) = 4 [pid 5846] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5846] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 6075] <... munmap resumed>) = 0 [pid 5846] getdents64(4, [pid 6075] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5846] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 6075] <... openat resumed>) = 4 [pid 6075] ioctl(4, LOOP_SET_FD, 3 [pid 5846] close(4) = 0 [pid 5846] rmdir("./44/bus") = 0 [pid 5846] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5846] close(3) = 0 [pid 5846] rmdir("./44") = 0 [pid 5846] mkdir("./45", 0777) = 0 [pid 5846] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5846] ioctl(3, LOOP_CLR_FD) = 0 [pid 5846] close(3 [pid 6076] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6075] <... ioctl resumed>) = 0 [pid 6075] close(3 [pid 5845] <... close resumed>) = 0 [pid 6075] <... close resumed>) = 0 [pid 6075] close(4 [pid 5845] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6075] <... close resumed>) = 0 [pid 6075] mkdir("./bus", 0777) = 0 ./strace-static-x86_64: Process 6077 attached [pid 6075] mount("/dev/loop2", "./bus", "ntfs3", 0, "" [pid 5845] <... clone resumed>, child_tidptr=0x55557f708650) = 6077 [ 139.041519][ T6075] loop2: detected capacity change from 0 to 4096 [pid 6077] set_robust_list(0x55557f708660, 24) = 0 [pid 6077] chdir("./43") = 0 [pid 6077] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5846] <... close resumed>) = 0 [pid 6077] setpgid(0, 0) = 0 [pid 6077] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6077] <... openat resumed>) = 3 [pid 6076] <... write resumed>) = 2097152 ./strace-static-x86_64: Process 6078 attached [pid 6077] write(3, "1000", 4) = 4 [pid 6076] munmap(0x7f8e0a400000, 138412032 [pid 6077] close(3) = 0 [pid 6078] set_robust_list(0x55557f708660, 24 [pid 6077] symlink("/dev/binderfs", "./binderfs" [pid 5846] <... clone resumed>, child_tidptr=0x55557f708650) = 6078 [pid 6078] <... set_robust_list resumed>) = 0 [pid 6077] <... symlink resumed>) = 0 [pid 6078] chdir("./45" [pid 6077] write(1, "executing program\n", 18executing program ) = 18 [pid 6078] <... chdir resumed>) = 0 [pid 6078] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6077] memfd_create("syzkaller", 0 [pid 6078] setpgid(0, 0) = 0 [pid 6078] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6078] write(3, "1000", 4) = 4 [pid 6078] close(3 [pid 6077] <... memfd_create resumed>) = 3 [pid 6078] <... close resumed>) = 0 [pid 6076] <... munmap resumed>) = 0 [pid 6075] <... mount resumed>) = 0 [pid 6078] symlink("/dev/binderfs", "./binderfs" [pid 6077] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6075] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6078] <... symlink resumed>) = 0 [pid 6077] <... mmap resumed>) = 0x7f8e0a400000 [pid 6075] <... openat resumed>) = 3 [pid 6078] write(1, "executing program\n", 18 [pid 6076] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6075] chdir("./bus") = 0 [pid 6075] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6075] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 6075] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 6075] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLYexecuting program ) = 4 [pid 6075] read(4, [pid 6078] <... write resumed>) = 18 [pid 6076] <... openat resumed>) = 4 [pid 6078] memfd_create("syzkaller", 0) = 3 [pid 6076] ioctl(4, LOOP_SET_FD, 3 [pid 6078] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6076] <... ioctl resumed>) = 0 [pid 6078] <... mmap resumed>) = 0x7f8e0a400000 [pid 6077] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6076] close(3 [pid 6073] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 6078] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6076] <... close resumed>) = 0 [pid 6073] sched_setaffinity(0, 0, NULL [pid 6076] close(4 [pid 6073] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 6076] <... close resumed>) = 0 [pid 6073] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 6076] mkdir("./bus", 0777 [pid 6073] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 6076] <... mkdir resumed>) = 0 [pid 6073] exit_group(0 [pid 6076] mount("/dev/loop0", "./bus", "ntfs3", 0, "" [pid 6073] <... exit_group resumed>) = ? [ 139.207339][ T6076] loop0: detected capacity change from 0 to 4096 [pid 6073] +++ exited with 0 +++ [pid 5843] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6073, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=19 /* 0.19 s */} --- [pid 5843] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5843] umount2("./40", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6078] <... write resumed>) = 2097152 [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] openat(AT_FDCWD, "./40", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6078] munmap(0x7f8e0a400000, 138412032 [pid 5843] <... openat resumed>) = 3 [pid 6078] <... munmap resumed>) = 0 [pid 5843] newfstatat(3, "", [pid 6078] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6077] <... write resumed>) = 2097152 [pid 5843] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6078] <... openat resumed>) = 4 [pid 5843] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5843] umount2("./40/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5843] newfstatat(AT_FDCWD, "./40/binderfs", [pid 6078] ioctl(4, LOOP_SET_FD, 3 [pid 6076] <... mount resumed>) = 0 [pid 5843] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6078] <... ioctl resumed>) = 0 [pid 5843] unlink("./40/binderfs") = 0 [pid 6076] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5843] umount2("./40/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6076] chdir("./bus") = 0 [pid 6076] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6078] close(3 [pid 6077] munmap(0x7f8e0a400000, 138412032 [pid 5843] <... umount2 resumed>) = 0 [pid 6076] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6076] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 6076] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 6076] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 6076] read(4, [pid 6078] <... close resumed>) = 0 [pid 5843] umount2("./40/bus", MNT_FORCE|UMOUNT_NOFOLLOW [ 139.317572][ T6078] loop4: detected capacity change from 0 to 4096 [pid 6078] close(4 [pid 6077] <... munmap resumed>) = 0 [pid 6078] <... close resumed>) = 0 [pid 6077] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6078] mkdir("./bus", 0777 [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] newfstatat(AT_FDCWD, "./40/bus", [pid 6078] <... mkdir resumed>) = 0 [pid 5843] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6077] <... openat resumed>) = 4 [pid 5843] umount2("./40/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5843] openat(AT_FDCWD, "./40/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5843] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5843] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5843] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5843] close(4) = 0 [pid 5843] rmdir("./40/bus") = 0 [pid 5843] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5843] close(3) = 0 [pid 5843] rmdir("./40") = 0 [pid 6078] mount("/dev/loop4", "./bus", "ntfs3", 0, "" [pid 6077] ioctl(4, LOOP_SET_FD, 3 [pid 5843] mkdir("./41", 0777) = 0 [pid 6075] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 6075] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 6075] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 5843] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6075] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5843] <... openat resumed>) = 3 [pid 6075] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5843] ioctl(3, LOOP_CLR_FD [pid 6075] exit_group(0) = ? [pid 5843] <... ioctl resumed>) = 0 [pid 5843] close(3 [pid 6077] <... ioctl resumed>) = 0 [pid 6077] close(3) = 0 [pid 6077] close(4) = 0 [pid 6077] mkdir("./bus", 0777 [pid 6075] +++ exited with 0 +++ [pid 6077] <... mkdir resumed>) = 0 [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6075, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 5844] restart_syscall(<... resuming interrupted clone ...> [pid 6077] mount("/dev/loop3", "./bus", "ntfs3", 0, "" [pid 5844] <... restart_syscall resumed>) = 0 [pid 5844] umount2("./44", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] openat(AT_FDCWD, "./44", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [ 139.360058][ T6077] loop3: detected capacity change from 0 to 4096 [pid 5844] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5844] getdents64(3, [pid 6078] <... mount resumed>) = 0 [pid 5844] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5844] umount2("./44/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6078] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6078] chdir("./bus") = 0 [pid 6078] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6078] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6078] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5844] newfstatat(AT_FDCWD, "./44/binderfs", [pid 5843] <... close resumed>) = 0 [pid 6078] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 6078] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 6078] read(4, [pid 5844] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] unlink("./44/binderfs") = 0 [pid 5843] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5844] umount2("./44/bus", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6079 attached [pid 6079] set_robust_list(0x55557f708660, 24 [pid 5843] <... clone resumed>, child_tidptr=0x55557f708650) = 6079 [pid 6079] <... set_robust_list resumed>) = 0 [pid 6079] chdir("./41" [pid 6077] <... mount resumed>) = 0 [pid 6079] <... chdir resumed>) = 0 [pid 6079] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6077] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6079] <... prctl resumed>) = 0 [pid 5844] <... umount2 resumed>) = 0 [pid 6079] setpgid(0, 0) = 0 [pid 6077] chdir("./bus" [pid 6079] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6077] <... chdir resumed>) = 0 [pid 6077] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6079] <... openat resumed>) = 3 [pid 6077] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5844] umount2("./44/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6079] write(3, "1000", 4 [pid 6077] sched_setaffinity(0, 0, NULL [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6079] <... write resumed>) = 4 [pid 6077] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5844] newfstatat(AT_FDCWD, "./44/bus", [pid 6079] close(3 [pid 6077] sched_setscheduler(0, SCHED_RR, NULL [pid 5844] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6079] <... close resumed>) = 0 [pid 5844] umount2("./44/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6079] symlink("/dev/binderfs", "./binderfs" [pid 6077] <... sched_setscheduler resumed>) = -1 EINVAL (Invalid argument) [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6079] <... symlink resumed>) = 0 [pid 6077] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5844] openat(AT_FDCWD, "./44/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6079] write(1, "executing program\n", 18 [pid 6077] <... openat resumed>) = 4 executing program [pid 5844] <... openat resumed>) = 4 [pid 6079] <... write resumed>) = 18 [pid 5844] newfstatat(4, "", [pid 6079] memfd_create("syzkaller", 0 [pid 5844] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6079] <... memfd_create resumed>) = 3 [pid 5844] getdents64(4, [pid 6079] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6077] read(4, [pid 5844] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 6079] <... mmap resumed>) = 0x7f8e0a400000 [pid 5844] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5844] close(4) = 0 [pid 5844] rmdir("./44/bus") = 0 [pid 5844] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5844] close(3) = 0 [pid 5844] rmdir("./44") = 0 [pid 5844] mkdir("./45", 0777) = 0 [pid 5844] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5844] ioctl(3, LOOP_CLR_FD) = 0 [pid 5844] close(3 [pid 6076] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5844] <... close resumed>) = 0 [pid 6076] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 6076] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 6076] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 6076] exit_group(0) = ? [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6080 attached [pid 6076] +++ exited with 0 +++ [pid 6080] set_robust_list(0x55557f708660, 24) = 0 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6076, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 6080] chdir("./45") = 0 [pid 5842] restart_syscall(<... resuming interrupted clone ...> [pid 6080] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5842] <... restart_syscall resumed>) = 0 [pid 6080] <... prctl resumed>) = 0 [pid 6080] setpgid(0, 0) = 0 [pid 5842] umount2("./44", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6080] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5844] <... clone resumed>, child_tidptr=0x55557f708650) = 6080 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6080] <... openat resumed>) = 3 [pid 5842] openat(AT_FDCWD, "./44", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6080] write(3, "1000", 4 [pid 5842] <... openat resumed>) = 3 [pid 6080] <... write resumed>) = 4 [pid 6080] close(3 [pid 5842] newfstatat(3, "", [pid 6080] <... close resumed>) = 0 [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6080] symlink("/dev/binderfs", "./binderfs" [pid 5842] getdents64(3, [pid 6080] <... symlink resumed>) = 0 executing program [pid 6080] write(1, "executing program\n", 18 [pid 5842] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 6080] <... write resumed>) = 18 [pid 5842] umount2("./44/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6080] memfd_create("syzkaller", 0 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./44/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] unlink("./44/binderfs") = 0 [pid 5842] umount2("./44/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6079] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5842] <... umount2 resumed>) = 0 [pid 6080] <... memfd_create resumed>) = 3 [pid 6080] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 [pid 5842] umount2("./44/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./44/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] umount2("./44/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] openat(AT_FDCWD, "./44/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5842] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5842] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5842] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5842] close(4) = 0 [pid 5842] rmdir("./44/bus") = 0 [pid 5842] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5842] close(3) = 0 [pid 5842] rmdir("./44") = 0 [pid 5842] mkdir("./45", 0777) = 0 [pid 5842] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5842] ioctl(3, LOOP_CLR_FD) = 0 [pid 5842] close(3 [pid 6078] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 6080] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6079] <... write resumed>) = 2097152 [pid 5842] <... close resumed>) = 0 [pid 6078] sched_setaffinity(0, 0, NULL [pid 6079] munmap(0x7f8e0a400000, 138412032 [pid 6078] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 6079] <... munmap resumed>) = 0 [pid 6078] rename(NULL, NULL [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6078] <... rename resumed>) = -1 EFAULT (Bad address) [pid 6078] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 6078] exit_group(0) = ? ./strace-static-x86_64: Process 6081 attached [pid 6079] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6078] +++ exited with 0 +++ [pid 6081] set_robust_list(0x55557f708660, 24 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6078, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5842] <... clone resumed>, child_tidptr=0x55557f708650) = 6081 [pid 6079] <... openat resumed>) = 4 [pid 6079] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6081] <... set_robust_list resumed>) = 0 [pid 6079] close(3 [pid 5846] umount2("./45", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5846] openat(AT_FDCWD, "./45", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6081] chdir("./45" [pid 6079] <... close resumed>) = 0 [pid 5846] <... openat resumed>) = 3 [pid 6081] <... chdir resumed>) = 0 [pid 6079] close(4 [pid 5846] newfstatat(3, "", [pid 6081] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5846] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6081] <... prctl resumed>) = 0 [pid 6079] <... close resumed>) = 0 [pid 5846] getdents64(3, [pid 6081] setpgid(0, 0 [pid 5846] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 6081] <... setpgid resumed>) = 0 [pid 6079] mkdir("./bus", 0777 [pid 5846] umount2("./45/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6081] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6080] <... write resumed>) = 2097152 [pid 6079] <... mkdir resumed>) = 0 [pid 5846] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6080] munmap(0x7f8e0a400000, 138412032 [pid 5846] newfstatat(AT_FDCWD, "./45/binderfs", [pid 6081] <... openat resumed>) = 3 [pid 6079] mount("/dev/loop1", "./bus", "ntfs3", 0, "" [pid 6081] write(3, "1000", 4 [pid 5846] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5846] unlink("./45/binderfs" [pid 6081] <... write resumed>) = 4 executing program [pid 6081] close(3 [pid 5846] <... unlink resumed>) = 0 [pid 6081] <... close resumed>) = 0 [pid 5846] umount2("./45/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6081] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6081] write(1, "executing program\n", 18) = 18 [pid 6080] <... munmap resumed>) = 0 [pid 6081] memfd_create("syzkaller", 0) = 3 [ 139.738259][ T6079] loop1: detected capacity change from 0 to 4096 [pid 6080] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6081] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 [pid 6080] <... openat resumed>) = 4 [pid 6080] ioctl(4, LOOP_SET_FD, 3 [pid 5846] <... umount2 resumed>) = 0 [pid 5846] umount2("./45/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5846] newfstatat(AT_FDCWD, "./45/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6080] <... ioctl resumed>) = 0 [pid 6080] close(3) = 0 [pid 6080] close(4) = 0 [pid 5846] umount2("./45/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6080] mkdir("./bus", 0777) = 0 [pid 6080] mount("/dev/loop2", "./bus", "ntfs3", 0, "" [pid 5846] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5846] openat(AT_FDCWD, "./45/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5846] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5846] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5846] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5846] close(4) = 0 [pid 5846] rmdir("./45/bus") = 0 [pid 5846] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5846] close(3) = 0 [pid 5846] rmdir("./45") = 0 [pid 5846] mkdir("./46", 0777) = 0 [ 139.794015][ T6080] loop2: detected capacity change from 0 to 4096 [pid 5846] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 6080] <... mount resumed>) = 0 [pid 5846] ioctl(3, LOOP_CLR_FD) = 0 [pid 5846] close(3 [pid 6080] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6080] chdir("./bus") = 0 [pid 6079] <... mount resumed>) = 0 [pid 6077] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 6080] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6080] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 6080] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 6080] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 6080] read(4, [pid 6079] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6077] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 6077] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 6081] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6079] chdir("./bus" [pid 6077] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 6079] <... chdir resumed>) = 0 [pid 6077] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6077] exit_group(0) = ? [pid 6079] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6079] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 6077] +++ exited with 0 +++ [pid 6079] sched_setscheduler(0, SCHED_RR, NULL [pid 5845] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6077, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5845] restart_syscall(<... resuming interrupted clone ...> [pid 6079] <... sched_setscheduler resumed>) = -1 EINVAL (Invalid argument) [pid 6079] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5845] <... restart_syscall resumed>) = 0 [pid 5845] umount2("./43", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5845] openat(AT_FDCWD, "./43", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5845] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5845] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5845] umount2("./43/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6079] <... openat resumed>) = 4 [pid 5845] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5845] newfstatat(AT_FDCWD, "./43/binderfs", [pid 6079] read(4, [pid 5845] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5845] unlink("./43/binderfs") = 0 [pid 5846] <... close resumed>) = 0 [pid 5845] umount2("./43/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6082 attached , child_tidptr=0x55557f708650) = 6082 [pid 6082] set_robust_list(0x55557f708660, 24) = 0 [pid 6082] chdir("./46") = 0 [pid 6082] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6081] <... write resumed>) = 2097152 [pid 5845] <... umount2 resumed>) = 0 [pid 6082] setpgid(0, 0 [pid 6081] munmap(0x7f8e0a400000, 138412032 [pid 6082] <... setpgid resumed>) = 0 [pid 5845] umount2("./43/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5845] newfstatat(AT_FDCWD, "./43/bus", [pid 6082] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5845] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5845] umount2("./43/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5845] openat(AT_FDCWD, "./43/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 6082] <... openat resumed>) = 3 [pid 5845] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5845] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 6082] write(3, "1000", 4 [pid 5845] getdents64(4, [pid 6082] <... write resumed>) = 4 [pid 5845] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 6082] close(3) = 0 [pid 5845] close(4 [pid 6082] symlink("/dev/binderfs", "./binderfs" [pid 5845] <... close resumed>) = 0 [pid 5845] rmdir("./43/bus"executing program [pid 6082] <... symlink resumed>) = 0 [pid 6081] <... munmap resumed>) = 0 [pid 5845] <... rmdir resumed>) = 0 [pid 6082] write(1, "executing program\n", 18 [pid 5845] getdents64(3, [pid 6082] <... write resumed>) = 18 [pid 6081] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5845] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5845] close(3) = 0 [pid 5845] rmdir("./43" [pid 6082] memfd_create("syzkaller", 0 [pid 6081] <... openat resumed>) = 4 [pid 5845] <... rmdir resumed>) = 0 [pid 6082] <... memfd_create resumed>) = 3 [pid 6081] ioctl(4, LOOP_SET_FD, 3 [pid 5845] mkdir("./44", 0777 [pid 6082] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5845] <... mkdir resumed>) = 0 [pid 5845] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5845] ioctl(3, LOOP_CLR_FD) = 0 [pid 5845] close(3 [pid 6082] <... mmap resumed>) = 0x7f8e0a400000 [pid 6081] <... ioctl resumed>) = 0 [ 139.974744][ T6081] loop0: detected capacity change from 0 to 4096 [pid 5845] <... close resumed>) = 0 [pid 6082] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6081] close(3) = 0 [pid 6081] close(4) = 0 [pid 5845] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557f708650) = 6083 [pid 6081] mkdir("./bus", 0777./strace-static-x86_64: Process 6083 attached [pid 6083] set_robust_list(0x55557f708660, 24) = 0 [pid 6083] chdir("./44") = 0 [pid 6083] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6083] setpgid(0, 0) = 0 [pid 6083] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6083] write(3, "1000", 4) = 4 [pid 6083] close(3) = 0 [pid 6083] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6083] write(1, "executing program\n", 18executing program ) = 18 [pid 6083] memfd_create("syzkaller", 0 [pid 6081] <... mkdir resumed>) = 0 [pid 6081] mount("/dev/loop0", "./bus", "ntfs3", 0, "" [pid 6083] <... memfd_create resumed>) = 3 [pid 6083] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 [pid 6081] <... mount resumed>) = 0 [pid 6081] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6081] chdir("./bus") = 0 [pid 6081] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6081] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 6081] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 6081] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 6081] read(4, [pid 6080] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 6083] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6082] <... write resumed>) = 2097152 [pid 6080] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 6080] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 6080] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 6080] exit_group(0) = ? [pid 6079] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 6082] munmap(0x7f8e0a400000, 138412032 [pid 6080] +++ exited with 0 +++ [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6080, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 5844] umount2("./45", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] openat(AT_FDCWD, "./45", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5844] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5844] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5844] umount2("./45/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] newfstatat(AT_FDCWD, "./45/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] unlink("./45/binderfs") = 0 [pid 5844] umount2("./45/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6079] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 6082] <... munmap resumed>) = 0 [pid 6079] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 6079] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 6079] exit_group(0) = ? [pid 6082] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6079] +++ exited with 0 +++ [pid 5843] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6079, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 5843] restart_syscall(<... resuming interrupted clone ...> [pid 6082] <... openat resumed>) = 4 [pid 5844] <... umount2 resumed>) = 0 [pid 5843] <... restart_syscall resumed>) = 0 [pid 5844] umount2("./45/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] newfstatat(AT_FDCWD, "./45/bus", [pid 5843] umount2("./41", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5844] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6082] ioctl(4, LOOP_SET_FD, 3 [pid 5844] umount2("./45/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5843] openat(AT_FDCWD, "./41", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] <... openat resumed>) = 3 [pid 5843] newfstatat(3, "", [pid 5844] openat(AT_FDCWD, "./45/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5843] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5844] <... openat resumed>) = 4 [pid 5843] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5844] newfstatat(4, "", [pid 5843] umount2("./41/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5844] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] newfstatat(AT_FDCWD, "./41/binderfs", [pid 5844] getdents64(4, [pid 5843] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5843] unlink("./41/binderfs") = 0 [pid 5843] umount2("./41/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5844] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5844] close(4) = 0 [pid 5844] rmdir("./45/bus" [pid 6083] <... write resumed>) = 2097152 [pid 5843] <... umount2 resumed>) = 0 [pid 6083] munmap(0x7f8e0a400000, 138412032 [pid 6082] <... ioctl resumed>) = 0 [pid 5843] umount2("./41/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5843] newfstatat(AT_FDCWD, "./41/bus", [pid 5844] <... rmdir resumed>) = 0 [pid 5843] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] getdents64(3, [pid 5843] umount2("./41/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5844] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6082] close(3 [pid 5844] close(3 [pid 5843] openat(AT_FDCWD, "./41/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5844] <... close resumed>) = 0 [pid 5843] <... openat resumed>) = 4 [pid 5844] rmdir("./45" [pid 5843] newfstatat(4, "", [pid 6082] <... close resumed>) = 0 [pid 5844] <... rmdir resumed>) = 0 [pid 5843] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5844] mkdir("./46", 0777 [pid 5843] getdents64(4, [pid 5844] <... mkdir resumed>) = 0 [pid 5843] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5843] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5843] close(4 [pid 5844] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5843] <... close resumed>) = 0 [pid 5844] <... openat resumed>) = 3 [pid 5843] rmdir("./41/bus" [pid 6083] <... munmap resumed>) = 0 [pid 6082] close(4 [pid 5844] ioctl(3, LOOP_CLR_FD [pid 5843] <... rmdir resumed>) = 0 [pid 5844] <... ioctl resumed>) = 0 [pid 5843] getdents64(3, [pid 5844] close(3 [pid 5843] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [ 140.189876][ T6082] loop4: detected capacity change from 0 to 4096 [pid 6082] <... close resumed>) = 0 [pid 5843] close(3) = 0 [pid 5843] rmdir("./41") = 0 [pid 5843] mkdir("./42", 0777 [pid 6082] mkdir("./bus", 0777 [pid 5843] <... mkdir resumed>) = 0 [pid 5843] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6082] <... mkdir resumed>) = 0 [pid 6083] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 6082] mount("/dev/loop4", "./bus", "ntfs3", 0, "" [pid 5843] <... openat resumed>) = 3 [pid 5843] ioctl(3, LOOP_CLR_FD [pid 6083] ioctl(4, LOOP_SET_FD, 3 [pid 5843] <... ioctl resumed>) = 0 [pid 5843] close(3 [pid 5844] <... close resumed>) = 0 [pid 6083] <... ioctl resumed>) = 0 [pid 5843] <... close resumed>) = 0 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6083] close(3) = 0 ./strace-static-x86_64: Process 6084 attached [pid 6083] close(4 [pid 5844] <... clone resumed>, child_tidptr=0x55557f708650) = 6084 [pid 6083] <... close resumed>) = 0 [pid 6084] set_robust_list(0x55557f708660, 24 [pid 6083] mkdir("./bus", 0777 [pid 6084] <... set_robust_list resumed>) = 0 [pid 6084] chdir("./46") = 0 [pid 6084] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6083] <... mkdir resumed>) = 0 [pid 5843] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6083] mount("/dev/loop3", "./bus", "ntfs3", 0, ""./strace-static-x86_64: Process 6085 attached [pid 6084] <... prctl resumed>) = 0 [pid 6084] setpgid(0, 0 [pid 6082] <... mount resumed>) = 0 [pid 6084] <... setpgid resumed>) = 0 [pid 6082] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6084] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6082] <... openat resumed>) = 3 [pid 5843] <... clone resumed>, child_tidptr=0x55557f708650) = 6085 [ 140.231635][ T6083] loop3: detected capacity change from 0 to 4096 [pid 6085] set_robust_list(0x55557f708660, 24 [pid 6084] write(3, "1000", 4 [pid 6082] chdir("./bus" [pid 6085] <... set_robust_list resumed>) = 0 [pid 6084] <... write resumed>) = 4 [pid 6082] <... chdir resumed>) = 0 [pid 6084] close(3 [pid 6082] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6084] <... close resumed>) = 0 [pid 6085] chdir("./42" [pid 6084] symlink("/dev/binderfs", "./binderfs" [pid 6082] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6085] <... chdir resumed>) = 0 [pid 6082] sched_setaffinity(0, 0, NULL [pid 6085] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6084] <... symlink resumed>) = 0 [pid 6082] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 6085] <... prctl resumed>) = 0 [pid 6082] sched_setscheduler(0, SCHED_RR, NULL [pid 6085] setpgid(0, 0 [pid 6082] <... sched_setscheduler resumed>) = -1 EINVAL (Invalid argument) executing program [pid 6084] write(1, "executing program\n", 18) = 18 [pid 6085] <... setpgid resumed>) = 0 [pid 6082] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6085] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6082] <... openat resumed>) = 4 [pid 6082] read(4, [pid 6085] <... openat resumed>) = 3 [pid 6085] write(3, "1000", 4) = 4 [pid 6085] close(3 [pid 6084] memfd_create("syzkaller", 0 [pid 6083] <... mount resumed>) = 0 [pid 6085] <... close resumed>) = 0 [pid 6085] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6084] <... memfd_create resumed>) = 3 executing program [pid 6085] write(1, "executing program\n", 18 [pid 6084] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6083] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6085] <... write resumed>) = 18 [pid 6084] <... mmap resumed>) = 0x7f8e0a400000 [pid 6085] memfd_create("syzkaller", 0 [pid 6083] <... openat resumed>) = 3 [pid 6081] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 6085] <... memfd_create resumed>) = 3 [pid 6083] chdir("./bus" [pid 6085] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6083] <... chdir resumed>) = 0 [pid 6083] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6081] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 6081] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 6081] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 6081] exit_group(0) = ? [pid 6083] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6085] <... mmap resumed>) = 0x7f8e0a400000 [pid 6083] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 6081] +++ exited with 0 +++ [pid 6083] sched_setscheduler(0, SCHED_RR, NULL [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6081, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=14 /* 0.14 s */} --- [pid 6083] <... sched_setscheduler resumed>) = -1 EINVAL (Invalid argument) [pid 5842] restart_syscall(<... resuming interrupted clone ...> [pid 6083] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 6083] read(4, [pid 5842] <... restart_syscall resumed>) = 0 [pid 5842] umount2("./45", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] openat(AT_FDCWD, "./45", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5842] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5842] getdents64(3, [pid 6084] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5842] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5842] umount2("./45/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./45/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] unlink("./45/binderfs") = 0 [pid 5842] umount2("./45/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 5842] umount2("./45/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./45/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6085] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6084] <... write resumed>) = 2097152 [pid 5842] umount2("./45/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] openat(AT_FDCWD, "./45/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5842] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5842] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5842] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5842] close(4) = 0 [pid 5842] rmdir("./45/bus") = 0 [pid 6084] munmap(0x7f8e0a400000, 138412032 [pid 5842] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5842] close(3) = 0 [pid 5842] rmdir("./45") = 0 [pid 5842] mkdir("./46", 0777 [pid 6084] <... munmap resumed>) = 0 [pid 5842] <... mkdir resumed>) = 0 [pid 5842] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6084] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 6084] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5842] <... openat resumed>) = 3 [pid 5842] ioctl(3, LOOP_CLR_FD) = 0 [pid 5842] close(3 [pid 6084] close(3) = 0 [pid 6084] close(4) = 0 [ 140.477250][ T6084] loop2: detected capacity change from 0 to 4096 [pid 6084] mkdir("./bus", 0777) = 0 [pid 6084] mount("/dev/loop2", "./bus", "ntfs3", 0, "" [pid 6085] <... write resumed>) = 2097152 [pid 5842] <... close resumed>) = 0 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6086 attached [pid 6085] munmap(0x7f8e0a400000, 138412032 [pid 6084] <... mount resumed>) = 0 [pid 6086] set_robust_list(0x55557f708660, 24 [pid 6084] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5842] <... clone resumed>, child_tidptr=0x55557f708650) = 6086 [pid 6084] <... openat resumed>) = 3 [pid 6084] chdir("./bus" [pid 6086] <... set_robust_list resumed>) = 0 [pid 6085] <... munmap resumed>) = 0 [pid 6084] <... chdir resumed>) = 0 [pid 6086] chdir("./46" [pid 6084] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6084] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 6084] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 6083] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 6084] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 6084] read(4, [pid 6086] <... chdir resumed>) = 0 [pid 6085] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6086] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6085] <... openat resumed>) = 4 [pid 6085] ioctl(4, LOOP_SET_FD, 3 [pid 6086] <... prctl resumed>) = 0 [pid 6086] setpgid(0, 0) = 0 [pid 6086] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6086] write(3, "1000", 4 [pid 6083] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 6083] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 6086] <... write resumed>) = 4 [pid 6085] <... ioctl resumed>) = 0 [pid 6086] close(3) = 0 [pid 6085] close(3) = 0 [pid 6085] close(4 [pid 6086] symlink("/dev/binderfs", "./binderfs" [pid 6085] <... close resumed>) = 0 [pid 6083] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 6083] exit_group(0) = ? [pid 6085] mkdir("./bus", 0777 [pid 6086] <... symlink resumed>) = 0 [pid 6085] <... mkdir resumed>) = 0 [pid 6085] mount("/dev/loop1", "./bus", "ntfs3", 0, "" [pid 6086] write(1, "executing program\n", 18executing program ) = 18 [pid 6083] +++ exited with 0 +++ [pid 5845] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6083, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 5845] restart_syscall(<... resuming interrupted clone ...> [pid 6086] memfd_create("syzkaller", 0) = 3 [pid 5845] <... restart_syscall resumed>) = 0 [pid 5845] umount2("./44", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6086] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5845] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 140.614213][ T6085] loop1: detected capacity change from 0 to 4096 [pid 6086] <... mmap resumed>) = 0x7f8e0a400000 [pid 5845] openat(AT_FDCWD, "./44", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6085] <... mount resumed>) = 0 [pid 6085] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6085] chdir("./bus") = 0 [pid 6085] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5845] <... openat resumed>) = 3 [pid 6085] sched_setaffinity(0, 0, NULL [pid 5845] newfstatat(3, "", [pid 6085] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5845] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6085] sched_setscheduler(0, SCHED_RR, NULL [pid 5845] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5845] umount2("./44/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5845] newfstatat(AT_FDCWD, "./44/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6085] <... sched_setscheduler resumed>) = -1 EINVAL (Invalid argument) [pid 6085] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5845] unlink("./44/binderfs" [pid 6085] <... openat resumed>) = 4 [pid 6085] read(4, [pid 5845] <... unlink resumed>) = 0 [pid 5845] umount2("./44/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6086] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5845] <... umount2 resumed>) = 0 [pid 5845] umount2("./44/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5845] newfstatat(AT_FDCWD, "./44/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5845] umount2("./44/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5845] openat(AT_FDCWD, "./44/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5845] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5845] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5845] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5845] close(4) = 0 [pid 5845] rmdir("./44/bus") = 0 [pid 5845] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5845] close(3) = 0 [pid 5845] rmdir("./44") = 0 [pid 5845] mkdir("./45", 0777) = 0 [pid 5845] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5845] ioctl(3, LOOP_CLR_FD) = 0 [pid 5845] close(3 [pid 6086] <... write resumed>) = 2097152 [pid 6086] munmap(0x7f8e0a400000, 138412032 [pid 6084] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 6084] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 6084] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 6084] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 6084] exit_group(0) = ? [pid 6084] +++ exited with 0 +++ [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6084, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=14 /* 0.14 s */} --- [pid 5844] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5844] umount2("./46", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] openat(AT_FDCWD, "./46", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5844] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5844] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5844] umount2("./46/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] newfstatat(AT_FDCWD, "./46/binderfs", [pid 6086] <... munmap resumed>) = 0 [pid 5845] <... close resumed>) = 0 [pid 5844] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] unlink("./46/binderfs") = 0 [pid 5844] umount2("./46/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6086] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5844] <... umount2 resumed>) = 0 [pid 5844] umount2("./46/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] newfstatat(AT_FDCWD, "./46/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] umount2("./46/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] openat(AT_FDCWD, "./46/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5844] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5844] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5844] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5844] close(4) = 0 [pid 5844] rmdir("./46/bus" [pid 6086] <... openat resumed>) = 4 [pid 5845] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5844] <... rmdir resumed>) = 0 [pid 6086] ioctl(4, LOOP_SET_FD, 3 [pid 5844] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5844] close(3) = 0 [pid 5844] rmdir("./46") = 0 ./strace-static-x86_64: Process 6087 attached [pid 6086] <... ioctl resumed>) = 0 [pid 6082] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5844] mkdir("./47", 0777 [pid 6087] set_robust_list(0x55557f708660, 24 [pid 5844] <... mkdir resumed>) = 0 [pid 6087] <... set_robust_list resumed>) = 0 [pid 6086] close(3 [pid 6082] sched_setaffinity(0, 0, NULL [pid 5845] <... clone resumed>, child_tidptr=0x55557f708650) = 6087 [pid 6087] chdir("./45" [pid 6082] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5844] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6087] <... chdir resumed>) = 0 [pid 6082] rename(NULL, NULL [pid 5844] <... openat resumed>) = 3 [pid 6087] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6082] <... rename resumed>) = -1 EFAULT (Bad address) [pid 5844] ioctl(3, LOOP_CLR_FD [pid 6087] <... prctl resumed>) = 0 [pid 6082] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5844] <... ioctl resumed>) = 0 [pid 6087] setpgid(0, 0 [pid 6082] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5844] close(3 [pid 6087] <... setpgid resumed>) = 0 [pid 6086] <... close resumed>) = 0 [pid 6082] exit_group(0 [pid 6087] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6086] close(4 [pid 6087] write(3, "1000", 4 [pid 6086] <... close resumed>) = 0 [pid 6086] mkdir("./bus", 0777 [pid 6087] <... write resumed>) = 4 [pid 6086] <... mkdir resumed>) = 0 [pid 6082] <... exit_group resumed>) = ? [pid 6087] close(3 [pid 6086] mount("/dev/loop0", "./bus", "ntfs3", 0, "" [pid 6082] +++ exited with 0 +++ [pid 6087] <... close resumed>) = 0 [pid 6087] symlink("/dev/binderfs", "./binderfs" [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6082, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 6087] <... symlink resumed>) = 0 [pid 5846] restart_syscall(<... resuming interrupted clone ...>executing program [pid 6087] write(1, "executing program\n", 18) = 18 [pid 5846] <... restart_syscall resumed>) = 0 [pid 5846] umount2("./46", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 140.858310][ T6086] loop0: detected capacity change from 0 to 4096 [pid 5846] openat(AT_FDCWD, "./46", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 6087] memfd_create("syzkaller", 0 [pid 5846] newfstatat(3, "", [pid 6087] <... memfd_create resumed>) = 3 [pid 5846] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5846] getdents64(3, [pid 6087] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5846] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 6087] <... mmap resumed>) = 0x7f8e0a400000 [pid 5846] umount2("./46/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5846] newfstatat(AT_FDCWD, "./46/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5846] unlink("./46/binderfs") = 0 [pid 5846] umount2("./46/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5844] <... close resumed>) = 0 [pid 6085] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5846] <... umount2 resumed>) = 0 [pid 5846] umount2("./46/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6088 attached [pid 6085] sched_setaffinity(0, 0, NULL [pid 5846] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6085] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5846] newfstatat(AT_FDCWD, "./46/bus", [pid 6085] rename(NULL, NULL [pid 5846] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6085] <... rename resumed>) = -1 EFAULT (Bad address) [pid 5846] umount2("./46/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6085] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5846] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6085] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5846] openat(AT_FDCWD, "./46/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6085] exit_group(0 [pid 5846] <... openat resumed>) = 4 [pid 6085] <... exit_group resumed>) = ? [pid 5846] newfstatat(4, "", [pid 5844] <... clone resumed>, child_tidptr=0x55557f708650) = 6088 [pid 6088] set_robust_list(0x55557f708660, 24 [pid 5846] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6088] <... set_robust_list resumed>) = 0 [pid 5846] getdents64(4, [pid 6088] chdir("./47" [pid 5846] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 6088] <... chdir resumed>) = 0 [pid 5846] getdents64(4, [pid 6088] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5846] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 6088] <... prctl resumed>) = 0 [pid 5846] close(4 [pid 6088] setpgid(0, 0 [pid 5846] <... close resumed>) = 0 [pid 6086] <... mount resumed>) = 0 [pid 5846] rmdir("./46/bus" [pid 6088] <... setpgid resumed>) = 0 [pid 6088] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5846] <... rmdir resumed>) = 0 [pid 6085] +++ exited with 0 +++ [pid 6088] <... openat resumed>) = 3 [pid 5846] getdents64(3, [pid 5843] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6085, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 6088] write(3, "1000", 4 [pid 5846] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5843] restart_syscall(<... resuming interrupted clone ...> [pid 6088] <... write resumed>) = 4 [pid 5846] close(3) = 0 [pid 6088] close(3) = 0 [pid 6088] symlink("/dev/binderfs", "./binderfs" [pid 5846] rmdir("./46" [pid 6088] <... symlink resumed>) = 0 [pid 6086] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5846] <... rmdir resumed>) = 0 [pid 6088] write(1, "executing program\n", 18 [pid 5846] mkdir("./47", 0777executing program [pid 6086] <... openat resumed>) = 3 [pid 6088] <... write resumed>) = 18 [pid 5846] <... mkdir resumed>) = 0 [pid 6088] memfd_create("syzkaller", 0 [pid 6086] chdir("./bus" [pid 5843] <... restart_syscall resumed>) = 0 [pid 5843] umount2("./42", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6086] <... chdir resumed>) = 0 [pid 5843] openat(AT_FDCWD, "./42", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5843] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5846] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5843] getdents64(3, [pid 6086] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5846] <... openat resumed>) = 3 [pid 5843] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 6086] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5846] ioctl(3, LOOP_CLR_FD [pid 5843] umount2("./42/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6086] sched_setaffinity(0, 0, NULL [pid 5846] <... ioctl resumed>) = 0 [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6088] <... memfd_create resumed>) = 3 [pid 6086] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5846] close(3 [pid 5843] newfstatat(AT_FDCWD, "./42/binderfs", [pid 6088] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6086] sched_setscheduler(0, SCHED_RR, NULL [pid 5843] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] unlink("./42/binderfs" [pid 6086] <... sched_setscheduler resumed>) = -1 EINVAL (Invalid argument) [pid 6088] <... mmap resumed>) = 0x7f8e0a400000 [pid 5843] <... unlink resumed>) = 0 [pid 6087] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6086] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5843] umount2("./42/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6086] <... openat resumed>) = 4 [pid 6086] read(4, [pid 5843] <... umount2 resumed>) = 0 [pid 5843] umount2("./42/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5843] newfstatat(AT_FDCWD, "./42/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] umount2("./42/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5843] openat(AT_FDCWD, "./42/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5843] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5843] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5843] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5843] close(4) = 0 [pid 5843] rmdir("./42/bus") = 0 [pid 5843] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5843] close(3) = 0 [pid 5843] rmdir("./42") = 0 [pid 5843] mkdir("./43", 0777) = 0 [pid 5843] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5843] ioctl(3, LOOP_CLR_FD) = 0 [pid 5843] close(3 [pid 5846] <... close resumed>) = 0 [pid 6088] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6089 attached [pid 6087] <... write resumed>) = 2097152 [pid 5846] <... clone resumed>, child_tidptr=0x55557f708650) = 6089 [pid 6089] set_robust_list(0x55557f708660, 24) = 0 [pid 6089] chdir("./47") = 0 [pid 6089] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6089] setpgid(0, 0) = 0 [pid 6089] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6087] munmap(0x7f8e0a400000, 138412032 [pid 6089] <... openat resumed>) = 3 [pid 6087] <... munmap resumed>) = 0 [pid 6089] write(3, "1000", 4) = 4 [pid 6089] close(3executing program ) = 0 [pid 5843] <... close resumed>) = 0 [pid 6089] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6089] write(1, "executing program\n", 18) = 18 [pid 6089] memfd_create("syzkaller", 0 [pid 6087] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5843] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6090 attached [pid 6089] <... memfd_create resumed>) = 3 [pid 6087] <... openat resumed>) = 4 [pid 6089] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 [pid 6087] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6090] set_robust_list(0x55557f708660, 24 [pid 5843] <... clone resumed>, child_tidptr=0x55557f708650) = 6090 [pid 6090] <... set_robust_list resumed>) = 0 [pid 6090] chdir("./43") = 0 [pid 6090] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6090] setpgid(0, 0) = 0 [pid 6090] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6090] write(3, "1000", 4) = 4 [pid 6088] <... write resumed>) = 2097152 executing program [pid 6090] close(3 [pid 6087] close(3 [pid 6090] <... close resumed>) = 0 [pid 6090] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6090] write(1, "executing program\n", 18) = 18 [pid 6087] <... close resumed>) = 0 [pid 6090] memfd_create("syzkaller", 0 [pid 6087] close(4 [pid 6088] munmap(0x7f8e0a400000, 138412032 [pid 6087] <... close resumed>) = 0 [pid 6087] mkdir("./bus", 0777 [pid 6090] <... memfd_create resumed>) = 3 [pid 6090] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 [pid 6088] <... munmap resumed>) = 0 [pid 6087] <... mkdir resumed>) = 0 [pid 6087] mount("/dev/loop3", "./bus", "ntfs3", 0, "" [pid 6088] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [ 141.117203][ T6087] loop3: detected capacity change from 0 to 4096 [pid 6088] ioctl(4, LOOP_SET_FD, 3 [pid 6087] <... mount resumed>) = 0 [pid 6087] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6089] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6087] chdir("./bus") = 0 [pid 6088] <... ioctl resumed>) = 0 [pid 6087] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6088] close(3) = 0 [pid 6087] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6087] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 6088] close(4 [pid 6087] sched_setscheduler(0, SCHED_RR, NULL [pid 6088] <... close resumed>) = 0 [pid 6087] <... sched_setscheduler resumed>) = -1 EINVAL (Invalid argument) [pid 6088] mkdir("./bus", 0777) = 0 [pid 6088] mount("/dev/loop2", "./bus", "ntfs3", 0, "" [pid 6087] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [ 141.180919][ T6088] loop2: detected capacity change from 0 to 4096 [pid 6087] read(4, [pid 6090] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6088] <... mount resumed>) = 0 [pid 6088] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6089] <... write resumed>) = 2097152 [pid 6088] <... openat resumed>) = 3 [pid 6086] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 6088] chdir("./bus" [pid 6086] sched_setaffinity(0, 0, NULL [pid 6088] <... chdir resumed>) = 0 [pid 6088] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6086] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 6086] rename(NULL, NULL [pid 6089] munmap(0x7f8e0a400000, 138412032 [pid 6088] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6088] sched_setaffinity(0, 0, NULL [pid 6086] <... rename resumed>) = -1 EFAULT (Bad address) [pid 6088] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 6088] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 6086] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 6086] exit_group(0) = ? [pid 6088] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 6088] read(4, [pid 6089] <... munmap resumed>) = 0 [pid 6086] +++ exited with 0 +++ [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6086, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 5842] restart_syscall(<... resuming interrupted clone ...> [pid 6089] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 6089] ioctl(4, LOOP_SET_FD, 3 [pid 6090] <... write resumed>) = 2097152 [pid 5842] <... restart_syscall resumed>) = 0 [pid 6090] munmap(0x7f8e0a400000, 138412032 [pid 5842] umount2("./46", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] openat(AT_FDCWD, "./46", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5842] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5842] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5842] umount2("./46/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./46/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] unlink("./46/binderfs") = 0 [pid 5842] umount2("./46/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6090] <... munmap resumed>) = 0 [pid 6090] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5842] <... umount2 resumed>) = 0 [pid 5842] umount2("./46/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./46/bus", [pid 6090] <... openat resumed>) = 4 [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6090] ioctl(4, LOOP_SET_FD, 3 [pid 5842] umount2("./46/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] openat(AT_FDCWD, "./46/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5842] newfstatat(4, "", [pid 6089] <... ioctl resumed>) = 0 [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6089] close(3 [pid 5842] getdents64(4, [pid 6089] <... close resumed>) = 0 [pid 5842] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 6089] close(4 [pid 5842] getdents64(4, [pid 6089] <... close resumed>) = 0 [pid 5842] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 6089] mkdir("./bus", 0777 [pid 5842] close(4 [pid 6089] <... mkdir resumed>) = 0 [pid 5842] <... close resumed>) = 0 [ 141.339822][ T6089] loop4: detected capacity change from 0 to 4096 [pid 5842] rmdir("./46/bus" [pid 6089] mount("/dev/loop4", "./bus", "ntfs3", 0, "" [pid 5842] <... rmdir resumed>) = 0 [pid 6090] <... ioctl resumed>) = 0 [pid 6090] close(3) = 0 [pid 6090] close(4) = 0 [pid 5842] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5842] close(3) = 0 [pid 5842] rmdir("./46") = 0 [pid 5842] mkdir("./47", 0777 [pid 6090] mkdir("./bus", 0777 [pid 5842] <... mkdir resumed>) = 0 [pid 5842] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 6090] <... mkdir resumed>) = 0 [pid 5842] ioctl(3, LOOP_CLR_FD [pid 6090] mount("/dev/loop1", "./bus", "ntfs3", 0, "" [pid 5842] <... ioctl resumed>) = 0 [ 141.380085][ T6090] loop1: detected capacity change from 0 to 4096 [pid 5842] close(3) = 0 [pid 6090] <... mount resumed>) = 0 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6091 attached [pid 6090] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6090] chdir("./bus") = 0 [pid 6091] set_robust_list(0x55557f708660, 24 [pid 6090] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6091] <... set_robust_list resumed>) = 0 [pid 6090] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6091] chdir("./47" [pid 6090] sched_setaffinity(0, 0, NULL [pid 5842] <... clone resumed>, child_tidptr=0x55557f708650) = 6091 [pid 6091] <... chdir resumed>) = 0 [pid 6090] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 6091] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6090] sched_setscheduler(0, SCHED_RR, NULL [pid 6091] <... prctl resumed>) = 0 [pid 6090] <... sched_setscheduler resumed>) = -1 EINVAL (Invalid argument) [pid 6091] setpgid(0, 0 [pid 6090] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6091] <... setpgid resumed>) = 0 [pid 6090] <... openat resumed>) = 4 [pid 6091] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6090] read(4, [pid 6091] <... openat resumed>) = 3 [pid 6091] write(3, "1000", 4) = 4 [pid 6091] close(3) = 0 [pid 6091] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6091] write(1, "executing program\n", 18) = 18 [pid 6091] memfd_create("syzkaller", 0) = 3 [pid 6091] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 [pid 6089] <... mount resumed>) = 0 [pid 6089] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6089] chdir("./bus") = 0 [pid 6089] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6089] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 6089] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 6089] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 6089] read(4, [pid 6087] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 6087] sched_setaffinity(0, 0, NULL [pid 6091] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6087] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 6087] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 6087] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 6087] exit_group(0) = ? [pid 6087] +++ exited with 0 +++ [pid 5845] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6087, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 5845] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5845] umount2("./45", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5845] openat(AT_FDCWD, "./45", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5845] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5845] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5845] umount2("./45/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5845] newfstatat(AT_FDCWD, "./45/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5845] unlink("./45/binderfs") = 0 [pid 5845] umount2("./45/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 6091] <... write resumed>) = 2097152 [pid 5845] umount2("./45/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6091] munmap(0x7f8e0a400000, 138412032 [pid 5845] newfstatat(AT_FDCWD, "./45/bus", [pid 6091] <... munmap resumed>) = 0 [pid 5845] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5845] umount2("./45/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5845] openat(AT_FDCWD, "./45/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5845] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5845] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 6091] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5845] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5845] close(4) = 0 [pid 5845] rmdir("./45/bus") = 0 [pid 5845] getdents64(3, [pid 6091] <... openat resumed>) = 4 [pid 6091] ioctl(4, LOOP_SET_FD, 3 [pid 5845] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5845] close(3) = 0 [pid 6090] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 6091] <... ioctl resumed>) = 0 [pid 5845] rmdir("./45" [pid 6091] close(3) = 0 [pid 5845] <... rmdir resumed>) = 0 [pid 6091] close(4 [pid 5845] mkdir("./46", 0777 [pid 6090] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 6090] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 5845] <... mkdir resumed>) = 0 [pid 6090] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 6090] exit_group(0) = ? [pid 6091] <... close resumed>) = 0 [pid 5845] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6091] mkdir("./bus", 0777 [pid 5845] <... openat resumed>) = 3 [pid 6091] <... mkdir resumed>) = 0 [pid 6091] mount("/dev/loop0", "./bus", "ntfs3", 0, "" [pid 5845] ioctl(3, LOOP_CLR_FD) = 0 [pid 5845] close(3 [pid 6090] +++ exited with 0 +++ [pid 5843] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6090, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 5843] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5843] umount2("./43", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5843] openat(AT_FDCWD, "./43", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5843] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5843] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5843] umount2("./43/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5843] newfstatat(AT_FDCWD, "./43/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] unlink("./43/binderfs") = 0 [ 141.732951][ T6091] loop0: detected capacity change from 0 to 4096 [pid 5843] umount2("./43/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6088] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5843] <... umount2 resumed>) = 0 [pid 5843] umount2("./43/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5843] newfstatat(AT_FDCWD, "./43/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] umount2("./43/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5843] openat(AT_FDCWD, "./43/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5843] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6088] sched_setaffinity(0, 0, NULL [pid 5843] getdents64(4, [pid 6088] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5843] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 6088] rename(NULL, NULL [pid 5843] getdents64(4, [pid 6088] <... rename resumed>) = -1 EFAULT (Bad address) [pid 5843] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 6088] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5843] close(4 [pid 6088] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5843] <... close resumed>) = 0 [pid 6088] exit_group(0 [pid 5843] rmdir("./43/bus" [pid 6088] <... exit_group resumed>) = ? [pid 5843] <... rmdir resumed>) = 0 [pid 6091] <... mount resumed>) = 0 [pid 6091] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5845] <... close resumed>) = 0 [pid 5843] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5843] close(3) = 0 [pid 5843] rmdir("./43" [pid 6091] <... openat resumed>) = 3 [pid 6088] +++ exited with 0 +++ [pid 5843] <... rmdir resumed>) = 0 [pid 6091] chdir("./bus") = 0 [pid 5843] mkdir("./44", 0777 [pid 6091] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6088, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 5843] <... mkdir resumed>) = 0 [pid 5844] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 6091] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6091] sched_setaffinity(0, 0, NULL [pid 5844] umount2("./47", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6091] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6091] sched_setscheduler(0, SCHED_RR, NULL [pid 5844] openat(AT_FDCWD, "./47", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5843] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5844] <... openat resumed>) = 3 [pid 5843] <... openat resumed>) = 3 [pid 5844] newfstatat(3, "", [pid 5843] ioctl(3, LOOP_CLR_FD [pid 5844] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5843] <... ioctl resumed>) = 0 [pid 5844] getdents64(3, [pid 5843] close(3 [pid 6091] <... sched_setscheduler resumed>) = -1 EINVAL (Invalid argument) [pid 5844] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5844] umount2("./47/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5845] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6091] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY./strace-static-x86_64: Process 6092 attached ) = 4 [pid 5844] newfstatat(AT_FDCWD, "./47/binderfs", [pid 5845] <... clone resumed>, child_tidptr=0x55557f708650) = 6092 [pid 5844] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6092] set_robust_list(0x55557f708660, 24) = 0 [pid 6092] chdir("./46") = 0 [pid 6092] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6092] setpgid(0, 0) = 0 [pid 6092] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6092] write(3, "1000", 4) = 4 [pid 6092] close(3) = 0 [pid 6092] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6092] write(1, "executing program\n", 18) = 18 [pid 6092] memfd_create("syzkaller", 0 [pid 5844] unlink("./47/binderfs" [pid 6092] <... memfd_create resumed>) = 3 [pid 6092] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 [pid 6091] read(4, [pid 5844] <... unlink resumed>) = 0 [pid 5844] umount2("./47/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5843] <... close resumed>) = 0 [pid 5844] <... umount2 resumed>) = 0 [pid 5843] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6093 attached [pid 5844] umount2("./47/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5843] <... clone resumed>, child_tidptr=0x55557f708650) = 6093 [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6093] set_robust_list(0x55557f708660, 24) = 0 [pid 6093] chdir("./44") = 0 [pid 6093] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5844] newfstatat(AT_FDCWD, "./47/bus", [pid 6093] <... prctl resumed>) = 0 [pid 6093] setpgid(0, 0) = 0 [pid 6093] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6092] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5844] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6093] <... openat resumed>) = 3 [pid 5844] umount2("./47/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6093] write(3, "1000", 4 [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5844] openat(AT_FDCWD, "./47/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6093] <... write resumed>) = 4 [pid 5844] <... openat resumed>) = 4 [pid 5844] newfstatat(4, "", [pid 6093] close(3 [pid 5844] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6093] <... close resumed>) = 0 [pid 5844] getdents64(4, [pid 6093] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 5844] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 6093] write(1, "executing program\n", 18 [pid 5844] getdents64(4, [pid 6093] <... write resumed>) = 18 [pid 5844] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5844] close(4) = 0 [pid 5844] rmdir("./47/bus" [pid 6093] memfd_create("syzkaller", 0 [pid 5844] <... rmdir resumed>) = 0 [pid 6093] <... memfd_create resumed>) = 3 [pid 6093] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 [pid 5844] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5844] close(3) = 0 [pid 5844] rmdir("./47") = 0 [pid 5844] mkdir("./48", 0777) = 0 [pid 5844] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5844] ioctl(3, LOOP_CLR_FD) = 0 [pid 5844] close(3 [pid 6092] <... write resumed>) = 2097152 [pid 6092] munmap(0x7f8e0a400000, 138412032) = 0 [pid 6092] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6093] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6092] <... openat resumed>) = 4 [pid 6092] ioctl(4, LOOP_SET_FD, 3 [pid 5844] <... close resumed>) = 0 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6092] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 6094 attached [pid 6094] set_robust_list(0x55557f708660, 24 [pid 5844] <... clone resumed>, child_tidptr=0x55557f708650) = 6094 [pid 6094] <... set_robust_list resumed>) = 0 [pid 6094] chdir("./48") = 0 [pid 6094] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6094] setpgid(0, 0) = 0 [pid 6094] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6094] write(3, "1000", 4) = 4 [pid 6092] close(3 [pid 6094] close(3 [pid 6092] <... close resumed>) = 0 [pid 6094] <... close resumed>) = 0 [pid 6092] close(4 [pid 6094] symlink("/dev/binderfs", "./binderfs" [pid 6092] <... close resumed>) = 0 executing program [pid 6094] <... symlink resumed>) = 0 [pid 6092] mkdir("./bus", 0777 [pid 6094] write(1, "executing program\n", 18) = 18 [pid 6094] memfd_create("syzkaller", 0 [pid 6092] <... mkdir resumed>) = 0 [pid 6092] mount("/dev/loop3", "./bus", "ntfs3", 0, "" [pid 6094] <... memfd_create resumed>) = 3 [pid 6094] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 [ 142.067330][ T6092] loop3: detected capacity change from 0 to 4096 [pid 6093] <... write resumed>) = 2097152 [pid 6093] munmap(0x7f8e0a400000, 138412032) = 0 [pid 6094] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6093] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 6093] ioctl(4, LOOP_SET_FD, 3 [pid 6092] <... mount resumed>) = 0 [pid 6092] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6092] chdir("./bus") = 0 [pid 6093] <... ioctl resumed>) = 0 [pid 6092] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6092] sched_setaffinity(0, 0, NULL [pid 6093] close(3 [pid 6092] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 6093] <... close resumed>) = 0 [pid 6092] sched_setscheduler(0, SCHED_RR, NULL [pid 6093] close(4 [pid 6092] <... sched_setscheduler resumed>) = -1 EINVAL (Invalid argument) [pid 6093] <... close resumed>) = 0 [pid 6092] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6093] mkdir("./bus", 0777 [pid 6092] <... openat resumed>) = 4 [pid 6093] <... mkdir resumed>) = 0 [pid 6092] read(4, [ 142.181667][ T6093] loop1: detected capacity change from 0 to 4096 [pid 6093] mount("/dev/loop1", "./bus", "ntfs3", 0, "" [pid 6091] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 6091] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 6091] rename(NULL, NULL [pid 6094] <... write resumed>) = 2097152 [pid 6091] <... rename resumed>) = -1 EFAULT (Bad address) [pid 6094] munmap(0x7f8e0a400000, 138412032 [pid 6091] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 6091] exit_group(0 [pid 6093] <... mount resumed>) = 0 [pid 6093] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6093] chdir("./bus") = 0 [pid 6093] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6091] <... exit_group resumed>) = ? [pid 6093] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6094] <... munmap resumed>) = 0 [pid 6091] +++ exited with 0 +++ [pid 6093] sched_setaffinity(0, 0, NULL [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6091, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=13 /* 0.13 s */} --- [pid 6093] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 6094] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6093] sched_setscheduler(0, SCHED_RR, NULL [pid 6094] <... openat resumed>) = 4 [pid 6093] <... sched_setscheduler resumed>) = -1 EINVAL (Invalid argument) [pid 6093] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 6094] ioctl(4, LOOP_SET_FD, 3 [pid 6093] <... openat resumed>) = 4 [pid 5842] umount2("./47", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6093] read(4, [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] openat(AT_FDCWD, "./47", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5842] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5842] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5842] umount2("./47/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./47/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] unlink("./47/binderfs" [pid 6094] <... ioctl resumed>) = 0 [pid 5842] <... unlink resumed>) = 0 [pid 6094] close(3 [pid 5842] umount2("./47/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6094] <... close resumed>) = 0 [pid 6094] close(4) = 0 [pid 6094] mkdir("./bus", 0777) = 0 [pid 6094] mount("/dev/loop2", "./bus", "ntfs3", 0, "" [pid 5842] <... umount2 resumed>) = 0 [pid 5842] umount2("./47/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 142.315772][ T6094] loop2: detected capacity change from 0 to 4096 [pid 5842] newfstatat(AT_FDCWD, "./47/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] umount2("./47/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] openat(AT_FDCWD, "./47/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5842] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5842] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5842] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5842] close(4) = 0 [pid 5842] rmdir("./47/bus") = 0 [pid 5842] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5842] close(3) = 0 [pid 5842] rmdir("./47") = 0 [pid 5842] mkdir("./48", 0777) = 0 [pid 5842] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5842] ioctl(3, LOOP_CLR_FD) = 0 [pid 6094] <... mount resumed>) = 0 [pid 6094] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6094] chdir("./bus") = 0 [pid 6094] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6094] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 6094] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 6094] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 6094] read(4, [pid 5842] close(3 [pid 6092] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5842] <... close resumed>) = 0 [pid 6092] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6092] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 6092] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 6092] exit_group(0) = ? [pid 6092] +++ exited with 0 +++ [pid 5845] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6092, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 5845] umount2("./46", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5845] openat(AT_FDCWD, "./46", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5845] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 ./strace-static-x86_64: Process 6095 attached [pid 5845] getdents64(3, [pid 6095] set_robust_list(0x55557f708660, 24) = 0 [pid 5845] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5842] <... clone resumed>, child_tidptr=0x55557f708650) = 6095 [pid 5845] umount2("./46/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6095] chdir("./48" [pid 5845] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5845] newfstatat(AT_FDCWD, "./46/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6095] <... chdir resumed>) = 0 [pid 5845] unlink("./46/binderfs" [pid 6095] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6089] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5845] <... unlink resumed>) = 0 [pid 6095] <... prctl resumed>) = 0 [pid 6089] sched_setaffinity(0, 0, NULL [pid 5845] umount2("./46/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6095] setpgid(0, 0 [pid 6089] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 6095] <... setpgid resumed>) = 0 [pid 6089] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 6095] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6089] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 6095] <... openat resumed>) = 3 [pid 6089] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6095] write(3, "1000", 4 [pid 6089] exit_group(0 [pid 6095] <... write resumed>) = 4 [pid 5845] <... umount2 resumed>) = 0 [pid 6095] close(3 [pid 6089] <... exit_group resumed>) = ? executing program [pid 6095] <... close resumed>) = 0 [pid 5845] umount2("./46/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6095] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5845] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6095] write(1, "executing program\n", 18 [pid 5845] newfstatat(AT_FDCWD, "./46/bus", [pid 6095] <... write resumed>) = 18 [pid 5845] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6095] memfd_create("syzkaller", 0 [pid 6089] +++ exited with 0 +++ [pid 5845] umount2("./46/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6095] <... memfd_create resumed>) = 3 [pid 5845] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6095] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5845] openat(AT_FDCWD, "./46/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6095] <... mmap resumed>) = 0x7f8e0a400000 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6089, si_uid=0, si_status=0, si_utime=0, si_stime=32 /* 0.32 s */} --- [pid 5845] <... openat resumed>) = 4 [pid 5846] restart_syscall(<... resuming interrupted clone ...> [pid 5845] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5845] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5845] getdents64(4, [pid 5846] <... restart_syscall resumed>) = 0 [pid 5845] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5845] close(4) = 0 [pid 5845] rmdir("./46/bus" [pid 5846] umount2("./47", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5846] openat(AT_FDCWD, "./47", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5846] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5846] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5846] umount2("./47/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5846] newfstatat(AT_FDCWD, "./47/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5845] <... rmdir resumed>) = 0 [pid 5846] unlink("./47/binderfs") = 0 [pid 5845] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5845] close(3 [pid 5846] umount2("./47/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5845] <... close resumed>) = 0 [pid 5845] rmdir("./46") = 0 [pid 5846] <... umount2 resumed>) = 0 [pid 5845] mkdir("./47", 0777 [pid 5846] umount2("./47/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5845] <... mkdir resumed>) = 0 [pid 5846] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5846] newfstatat(AT_FDCWD, "./47/bus", [pid 5845] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5846] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5846] umount2("./47/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5845] <... openat resumed>) = 3 [pid 5846] openat(AT_FDCWD, "./47/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5845] ioctl(3, LOOP_CLR_FD [pid 5846] <... openat resumed>) = 4 [pid 5845] <... ioctl resumed>) = 0 [pid 5846] newfstatat(4, "", [pid 5845] close(3 [pid 5846] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5846] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5846] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5846] close(4) = 0 [pid 5846] rmdir("./47/bus") = 0 [pid 5846] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5846] close(3 [pid 6095] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5846] <... close resumed>) = 0 [pid 5846] rmdir("./47") = 0 [pid 5846] mkdir("./48", 0777) = 0 [pid 5846] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5846] ioctl(3, LOOP_CLR_FD) = 0 [pid 5846] close(3 [pid 5845] <... close resumed>) = 0 [pid 5845] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6096 attached [pid 6096] set_robust_list(0x55557f708660, 24) = 0 [pid 6096] chdir("./47") = 0 [pid 6096] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6096] setpgid(0, 0) = 0 [pid 6096] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5846] <... close resumed>) = 0 [pid 5845] <... clone resumed>, child_tidptr=0x55557f708650) = 6096 [pid 6096] write(3, "1000", 4 [pid 6094] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 6096] <... write resumed>) = 4 [pid 6096] close(3) = 0 [pid 6096] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6096] write(1, "executing program\n", 18) = 18 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6096] memfd_create("syzkaller", 0 [pid 6095] <... write resumed>) = 2097152 [pid 6094] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 6094] rename(NULL, NULL./strace-static-x86_64: Process 6097 attached [pid 6097] set_robust_list(0x55557f708660, 24 [pid 5846] <... clone resumed>, child_tidptr=0x55557f708650) = 6097 [pid 6097] <... set_robust_list resumed>) = 0 [pid 6097] chdir("./48") = 0 [pid 6097] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6097] setpgid(0, 0 [pid 6095] munmap(0x7f8e0a400000, 138412032 [pid 6097] <... setpgid resumed>) = 0 [pid 6097] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6096] <... memfd_create resumed>) = 3 [pid 6094] <... rename resumed>) = -1 EFAULT (Bad address) [pid 6097] <... openat resumed>) = 3 [pid 6096] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6094] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 6097] write(3, "1000", 4 [pid 6096] <... mmap resumed>) = 0x7f8e0a400000 [pid 6095] <... munmap resumed>) = 0 [pid 6094] exit_group(0 [pid 6097] <... write resumed>) = 4 [pid 6095] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6094] <... exit_group resumed>) = ? [pid 6097] close(3 [pid 6095] <... openat resumed>) = 4 [pid 6097] <... close resumed>) = 0 [pid 6097] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6097] write(1, "executing program\n", 18 [pid 6095] ioctl(4, LOOP_SET_FD, 3 [pid 6094] +++ exited with 0 +++ [pid 6097] <... write resumed>) = 18 [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6094, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 6097] memfd_create("syzkaller", 0 [pid 5844] umount2("./48", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] openat(AT_FDCWD, "./48", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5844] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5844] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 6097] <... memfd_create resumed>) = 3 [pid 5844] umount2("./48/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6097] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6097] <... mmap resumed>) = 0x7f8e0a400000 [pid 5844] newfstatat(AT_FDCWD, "./48/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] unlink("./48/binderfs" [pid 6095] <... ioctl resumed>) = 0 [pid 5844] <... unlink resumed>) = 0 [pid 6095] close(3) = 0 [pid 5844] umount2("./48/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6095] close(4) = 0 [pid 5844] <... umount2 resumed>) = 0 [pid 6095] mkdir("./bus", 0777 [pid 5844] umount2("./48/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6095] <... mkdir resumed>) = 0 [pid 5844] newfstatat(AT_FDCWD, "./48/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] umount2("./48/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6095] mount("/dev/loop0", "./bus", "ntfs3", 0, "" [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5844] openat(AT_FDCWD, "./48/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5844] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5844] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5844] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5844] close(4) = 0 [pid 5844] rmdir("./48/bus") = 0 [ 142.784196][ T6095] loop0: detected capacity change from 0 to 4096 [pid 6096] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5844] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5844] close(3) = 0 [pid 5844] rmdir("./48") = 0 [pid 5844] mkdir("./49", 0777) = 0 [pid 5844] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5844] ioctl(3, LOOP_CLR_FD) = 0 [pid 5844] close(3 [pid 6097] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6096] <... write resumed>) = 2097152 [pid 6096] munmap(0x7f8e0a400000, 138412032) = 0 [pid 6095] <... mount resumed>) = 0 [pid 5844] <... close resumed>) = 0 [pid 6095] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6095] chdir("./bus") = 0 [pid 6095] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6095] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 6095] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 6095] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6098 attached [pid 6095] read(4, [pid 6098] set_robust_list(0x55557f708660, 24) = 0 [pid 6098] chdir("./49") = 0 [pid 5844] <... clone resumed>, child_tidptr=0x55557f708650) = 6098 [pid 6098] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6098] setpgid(0, 0 [pid 6096] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6098] <... setpgid resumed>) = 0 [pid 6096] <... openat resumed>) = 4 [pid 6098] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6096] ioctl(4, LOOP_SET_FD, 3 [pid 6098] <... openat resumed>) = 3 [pid 6098] write(3, "1000", 4) = 4 [pid 6098] close(3executing program ) = 0 [pid 6098] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6097] <... write resumed>) = 2097152 [pid 6097] munmap(0x7f8e0a400000, 138412032 [pid 6098] write(1, "executing program\n", 18) = 18 [pid 6098] memfd_create("syzkaller", 0 [pid 6096] <... ioctl resumed>) = 0 [pid 6093] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 6098] <... memfd_create resumed>) = 3 [pid 6098] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6093] sched_setaffinity(0, 0, NULL [pid 6098] <... mmap resumed>) = 0x7f8e0a400000 [pid 6093] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [ 142.965096][ T6096] loop3: detected capacity change from 0 to 4096 [pid 6097] <... munmap resumed>) = 0 [pid 6096] close(3 [pid 6093] rename(NULL, NULL [pid 6097] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 6096] <... close resumed>) = 0 [pid 6093] <... rename resumed>) = -1 EFAULT (Bad address) [pid 6097] ioctl(4, LOOP_SET_FD, 3 [pid 6096] close(4 [pid 6093] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 6096] <... close resumed>) = 0 [pid 6093] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6097] <... ioctl resumed>) = 0 [pid 6096] mkdir("./bus", 0777 [pid 6093] exit_group(0 [pid 6097] close(3 [pid 6096] <... mkdir resumed>) = 0 [pid 6093] <... exit_group resumed>) = ? [pid 6097] <... close resumed>) = 0 [pid 6096] mount("/dev/loop3", "./bus", "ntfs3", 0, "" [pid 6093] +++ exited with 0 +++ [pid 6097] close(4 [pid 5843] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6093, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=14 /* 0.14 s */} --- [pid 6097] <... close resumed>) = 0 [pid 5843] restart_syscall(<... resuming interrupted clone ...> [pid 6097] mkdir("./bus", 0777 [pid 5843] <... restart_syscall resumed>) = 0 [pid 6097] <... mkdir resumed>) = 0 [pid 5843] umount2("./44", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5843] openat(AT_FDCWD, "./44", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5843] newfstatat(3, "", [pid 6097] mount("/dev/loop4", "./bus", "ntfs3", 0, "" [pid 5843] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5843] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5843] umount2("./44/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5843] newfstatat(AT_FDCWD, "./44/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] unlink("./44/binderfs") = 0 [ 143.005439][ T6097] loop4: detected capacity change from 0 to 4096 [pid 5843] umount2("./44/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 6096] <... mount resumed>) = 0 [pid 6096] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5843] umount2("./44/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6096] <... openat resumed>) = 3 [pid 6096] chdir("./bus") = 0 [pid 6096] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6096] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 6096] sched_setscheduler(0, SCHED_RR, NULL [pid 6098] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6096] <... sched_setscheduler resumed>) = -1 EINVAL (Invalid argument) [pid 6096] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 6096] read(4, [pid 5843] newfstatat(AT_FDCWD, "./44/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] umount2("./44/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5843] openat(AT_FDCWD, "./44/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5843] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5843] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5843] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5843] close(4) = 0 [pid 5843] rmdir("./44/bus") = 0 [pid 5843] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5843] close(3 [pid 6097] <... mount resumed>) = 0 [pid 5843] <... close resumed>) = 0 [pid 6097] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5843] rmdir("./44") = 0 [pid 6097] <... openat resumed>) = 3 [pid 5843] mkdir("./45", 0777 [pid 6097] chdir("./bus") = 0 [pid 5843] <... mkdir resumed>) = 0 [pid 6097] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6097] sched_setaffinity(0, 0, NULL [pid 5843] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6097] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 6097] sched_setscheduler(0, SCHED_RR, NULL [pid 5843] <... openat resumed>) = 3 [pid 6097] <... sched_setscheduler resumed>) = -1 EINVAL (Invalid argument) [pid 5843] ioctl(3, LOOP_CLR_FD [pid 6097] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY [pid 5843] <... ioctl resumed>) = 0 [pid 6097] <... openat resumed>) = 4 [pid 5843] close(3 [pid 6097] read(4, [pid 6098] <... write resumed>) = 2097152 [pid 6098] munmap(0x7f8e0a400000, 138412032) = 0 [pid 6098] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 6098] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6098] close(3) = 0 [pid 6098] close(4) = 0 [pid 6098] mkdir("./bus", 0777) = 0 [ 143.240228][ T6098] loop2: detected capacity change from 0 to 4096 [pid 6098] mount("/dev/loop2", "./bus", "ntfs3", 0, "" [pid 6095] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 6095] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 6095] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 6095] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 6095] exit_group(0) = ? [pid 6095] +++ exited with 0 +++ [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6095, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 5842] umount2("./48", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] openat(AT_FDCWD, "./48", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5842] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5842] getdents64(3, [pid 5843] <... close resumed>) = 0 [pid 5842] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5842] umount2("./48/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./48/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] unlink("./48/binderfs") = 0 [pid 5842] umount2("./48/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 5842] umount2("./48/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./48/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5842] umount2("./48/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] openat(AT_FDCWD, "./48/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5842] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5842] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5842] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5842] close(4) = 0 [pid 5842] rmdir("./48/bus") = 0 [pid 5842] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5842] close(3./strace-static-x86_64: Process 6099 attached ) = 0 [pid 5843] <... clone resumed>, child_tidptr=0x55557f708650) = 6099 [pid 5842] rmdir("./48" [pid 6099] set_robust_list(0x55557f708660, 24) = 0 [pid 5842] <... rmdir resumed>) = 0 [pid 6099] chdir("./45") = 0 [pid 5842] mkdir("./49", 0777 [pid 6099] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5842] <... mkdir resumed>) = 0 [pid 6099] <... prctl resumed>) = 0 [pid 6099] setpgid(0, 0) = 0 [pid 6099] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5842] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6099] <... openat resumed>) = 3 [pid 6099] write(3, "1000", 4 [pid 5842] <... openat resumed>) = 3 [pid 6099] <... write resumed>) = 4 [pid 5842] ioctl(3, LOOP_CLR_FD [pid 6099] close(3 [pid 5842] <... ioctl resumed>) = 0 [pid 6099] <... close resumed>) = 0 [pid 5842] close(3 [pid 6099] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6099] write(1, "executing program\n", 18 [pid 6098] <... mount resumed>) = 0 [pid 6099] <... write resumed>) = 18 [pid 6098] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6099] memfd_create("syzkaller", 0 [pid 6098] <... openat resumed>) = 3 [pid 6098] chdir("./bus") = 0 [pid 6098] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6098] sched_setaffinity(0, 0, NULL [pid 6099] <... memfd_create resumed>) = 3 [pid 6099] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 [pid 6098] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 6098] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 6098] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 6098] read(4, [pid 6099] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5842] <... close resumed>) = 0 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6100 attached , child_tidptr=0x55557f708650) = 6100 [pid 6100] set_robust_list(0x55557f708660, 24) = 0 [pid 6100] chdir("./49" [pid 6097] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 6097] sched_setaffinity(0, 0, NULL [pid 6100] <... chdir resumed>) = 0 [pid 6097] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 6100] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6097] rename(NULL, NULL [pid 6100] <... prctl resumed>) = 0 [pid 6097] <... rename resumed>) = -1 EFAULT (Bad address) [pid 6100] setpgid(0, 0 [pid 6097] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 6100] <... setpgid resumed>) = 0 [pid 6097] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6100] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6097] exit_group(0 [pid 6100] write(3, "1000", 4 [pid 6097] <... exit_group resumed>) = ? [pid 6100] <... write resumed>) = 4 [pid 6100] close(3executing program ) = 0 [pid 6100] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6100] write(1, "executing program\n", 18) = 18 [pid 6097] +++ exited with 0 +++ [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6097, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=13 /* 0.13 s */} --- [pid 5846] umount2("./48", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6100] memfd_create("syzkaller", 0 [pid 5846] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6100] <... memfd_create resumed>) = 3 [pid 5846] openat(AT_FDCWD, "./48", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6100] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5846] <... openat resumed>) = 3 [pid 6100] <... mmap resumed>) = 0x7f8e0a400000 [pid 5846] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6099] <... write resumed>) = 2097152 [pid 5846] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5846] umount2("./48/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5846] newfstatat(AT_FDCWD, "./48/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5846] unlink("./48/binderfs") = 0 [pid 5846] umount2("./48/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6099] munmap(0x7f8e0a400000, 138412032 [pid 5846] <... umount2 resumed>) = 0 [pid 6099] <... munmap resumed>) = 0 [pid 5846] umount2("./48/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6099] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5846] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6099] <... openat resumed>) = 4 [pid 6099] ioctl(4, LOOP_SET_FD, 3 [pid 5846] newfstatat(AT_FDCWD, "./48/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5846] umount2("./48/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5846] openat(AT_FDCWD, "./48/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5846] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5846] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5846] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5846] close(4) = 0 [pid 6099] <... ioctl resumed>) = 0 [pid 6099] close(3 [pid 5846] rmdir("./48/bus" [pid 6099] <... close resumed>) = 0 [pid 5846] <... rmdir resumed>) = 0 [pid 6099] close(4 [pid 5846] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5846] close(3) = 0 [pid 5846] rmdir("./48") = 0 [pid 6099] <... close resumed>) = 0 [pid 5846] mkdir("./49", 0777 [pid 6099] mkdir("./bus", 0777) = 0 [pid 5846] <... mkdir resumed>) = 0 [pid 6100] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6099] mount("/dev/loop1", "./bus", "ntfs3", 0, "" [pid 5846] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [ 143.609821][ T6099] loop1: detected capacity change from 0 to 4096 [pid 5846] ioctl(3, LOOP_CLR_FD) = 0 [pid 5846] close(3 [pid 6100] <... write resumed>) = 2097152 [pid 6099] <... mount resumed>) = 0 [pid 5846] <... close resumed>) = 0 [pid 6100] munmap(0x7f8e0a400000, 138412032 [pid 6099] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6099] <... openat resumed>) = 3 [pid 6099] chdir("./bus") = 0 [pid 6099] openat(AT_FDCWD, "/dev/loop1", O_RDWR./strace-static-x86_64: Process 6101 attached ) = -1 EBUSY (Device or resource busy) [pid 5846] <... clone resumed>, child_tidptr=0x55557f708650) = 6101 [pid 6099] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 6099] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 6099] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 6099] read(4, [pid 6101] set_robust_list(0x55557f708660, 24) = 0 [pid 6101] chdir("./49" [pid 6100] <... munmap resumed>) = 0 [pid 6101] <... chdir resumed>) = 0 [pid 6101] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6100] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6101] <... prctl resumed>) = 0 [pid 6100] <... openat resumed>) = 4 [pid 6100] ioctl(4, LOOP_SET_FD, 3 [pid 6101] setpgid(0, 0) = 0 [pid 6101] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6100] <... ioctl resumed>) = 0 [pid 6101] <... openat resumed>) = 3 [pid 6101] write(3, "1000", 4 [pid 6100] close(3) = 0 [pid 6101] <... write resumed>) = 4 [pid 6100] close(4) = 0 [pid 6101] close(3 [pid 6100] mkdir("./bus", 0777) = 0 [pid 6100] mount("/dev/loop0", "./bus", "ntfs3", 0, "" [pid 6101] <... close resumed>) = 0 [pid 6101] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6101] write(1, "executing program\n", 18) = 18 [ 143.797474][ T6100] loop0: detected capacity change from 0 to 4096 [pid 6101] memfd_create("syzkaller", 0) = 3 [pid 6101] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e0a400000 [pid 6096] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 6096] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 6096] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 6096] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 6096] exit_group(0) = ? [pid 6096] +++ exited with 0 +++ [pid 5845] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6096, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=27 /* 0.27 s */} --- [pid 5845] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5845] umount2("./47", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5845] openat(AT_FDCWD, "./47", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5845] newfstatat(3, "", [pid 6100] <... mount resumed>) = 0 [pid 5845] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6100] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5845] getdents64(3, [pid 6100] <... openat resumed>) = 3 [pid 6100] chdir("./bus") = 0 [pid 6100] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6100] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 6100] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5845] <... getdents64 resumed>0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 6100] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY) = 4 [pid 6100] read(4, [pid 5845] umount2("./47/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5845] newfstatat(AT_FDCWD, "./47/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5845] unlink("./47/binderfs") = 0 [pid 5845] umount2("./47/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 6101] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x08\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x51\x49\x92\x54\x8e\xa5\x9a\x39\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5845] umount2("./47/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5845] newfstatat(AT_FDCWD, "./47/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5845] umount2("./47/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5845] openat(AT_FDCWD, "./47/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 6099] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 5845] newfstatat(4, "", [pid 6101] <... write resumed>) = 2097152 [pid 6101] munmap(0x7f8e0a400000, 138412032 [pid 5845] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6099] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 6099] rename(NULL, NULL) = -1 EFAULT (Bad address) [pid 6099] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 6099] exit_group(0) = ? [pid 6101] <... munmap resumed>) = 0 [pid 6099] +++ exited with 0 +++ [pid 5845] getdents64(4, 0x55557f711730 /* 2 entries */, 32768) = 48 [pid 6101] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5843] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6099, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=14 /* 0.14 s */} --- [pid 5845] getdents64(4, 0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5843] restart_syscall(<... resuming interrupted clone ...> [pid 6101] <... openat resumed>) = 4 [pid 5845] close(4 [pid 5843] <... restart_syscall resumed>) = 0 [pid 6101] ioctl(4, LOOP_SET_FD, 3 [pid 5845] <... close resumed>) = 0 [pid 5843] umount2("./45", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5845] rmdir("./47/bus" [pid 5843] openat(AT_FDCWD, "./45", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6101] <... ioctl resumed>) = 0 [pid 5843] <... openat resumed>) = 3 [pid 5843] newfstatat(3, "", [pid 5845] <... rmdir resumed>) = 0 [pid 5843] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5843] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5843] umount2("./45/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5845] getdents64(3, [pid 5843] newfstatat(AT_FDCWD, "./45/binderfs", [pid 5845] <... getdents64 resumed>0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5845] close(3 [pid 5843] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5845] <... close resumed>) = 0 [pid 5845] rmdir("./47" [pid 5843] unlink("./45/binderfs" [pid 5845] <... rmdir resumed>) = 0 [pid 5843] <... unlink resumed>) = 0 [pid 5843] umount2("./45/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6100] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392 [pid 6101] close(3 [pid 5845] mkdir("./48", 0777 [pid 5843] <... umount2 resumed>) = 0 [pid 6101] <... close resumed>) = 0 [pid 6100] sched_setaffinity(0, 0, NULL [pid 5845] <... mkdir resumed>) = 0 [pid 5843] umount2("./45/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6101] close(4 [pid 6100] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6101] <... close resumed>) = 0 [pid 6100] rename(NULL, NULL [pid 5843] newfstatat(AT_FDCWD, "./45/bus", [pid 6101] mkdir("./bus", 0777 [pid 6100] <... rename resumed>) = -1 EFAULT (Bad address) [pid 5845] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6101] <... mkdir resumed>) = 0 [pid 6100] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5845] <... openat resumed>) = 3 [pid 6100] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6100] exit_group(0 [pid 5845] ioctl(3, LOOP_CLR_FD [pid 5843] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6101] mount("/dev/loop4", "./bus", "ntfs3", 0, "" [pid 6100] <... exit_group resumed>) = ? [pid 5845] <... ioctl resumed>) = 0 [pid 5843] umount2("./45/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5843] openat(AT_FDCWD, "./45/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5843] newfstatat(4, "", [pid 5845] close(3 [pid 5843] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5843] getdents64(4, [pid 6100] +++ exited with 0 +++ [pid 5843] <... getdents64 resumed>0x55557f711730 /* 2 entries */, 32768) = 48 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6100, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 5843] getdents64(4, [ 144.069798][ T6101] loop4: detected capacity change from 0 to 4096 [pid 5842] restart_syscall(<... resuming interrupted clone ...> [pid 5843] <... getdents64 resumed>0x55557f711730 /* 0 entries */, 32768) = 0 [pid 5843] close(4) = 0 [pid 5843] rmdir("./45/bus") = 0 [pid 5843] getdents64(3, 0x55557f7096f0 /* 0 entries */, 32768) = 0 [pid 5842] <... restart_syscall resumed>) = 0 [pid 5842] umount2("./49", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] openat(AT_FDCWD, "./49", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5842] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5842] getdents64(3, 0x55557f7096f0 /* 4 entries */, 32768) = 104 [pid 5842] umount2("./49/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./49/binderfs", [pid 5843] close(3 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] unlink("./49/binderfs") = 0 [pid 5842] umount2("./49/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5843] <... close resumed>) = 0 [pid 5842] <... umount2 resumed>) = 0 [pid 5843] rmdir("./45" [pid 5842] umount2("./49/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5843] <... rmdir resumed>) = 0 [pid 5843] mkdir("./46", 0777 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./49/bus", [pid 5843] <... mkdir resumed>) = 0 [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5843] ioctl(3, LOOP_CLR_FD) = 0 [ 144.149168][ C0] ================================================================== [ 144.157289][ C0] BUG: KASAN: out-of-bounds in end_buffer_read_sync+0xc1/0xd0 [ 144.164816][ C0] Write of size 4 at addr ffffc900047bf660 by task kworker/u8:0/12 [ 144.172838][ C0] [ 144.175228][ C0] CPU: 0 UID: 0 PID: 12 Comm: kworker/u8:0 Not tainted 6.14.0-next-20250404-syzkaller #0 PREEMPT(full) [ 144.175253][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [pid 5843] close(3 [pid 5845] <... close resumed>) = 0 [ 144.175266][ C0] Workqueue: loop4 loop_rootcg_workfn [ 144.175298][ C0] Call Trace: [ 144.175304][ C0] [ 144.175310][ C0] dump_stack_lvl+0x241/0x360 [ 144.175336][ C0] ? __pfx_dump_stack_lvl+0x10/0x10 [ 144.175357][ C0] ? __pfx__printk+0x10/0x10 [ 144.175378][ C0] ? _printk+0xd5/0x120 [ 144.175399][ C0] print_report+0x16e/0x5b0 [ 144.175421][ C0] ? __virt_addr_valid+0xbd/0x530 [ 144.175443][ C0] ? end_buffer_read_sync+0xc1/0xd0 [ 144.175457][ C0] kasan_report+0x143/0x180 [ 144.175477][ C0] ? wake_up_bit+0x154/0x1a0 [ 144.175500][ C0] ? end_buffer_read_sync+0xc1/0xd0 [ 144.175516][ C0] kasan_check_range+0x28f/0x2a0 [ 144.175538][ C0] ? __pfx_end_buffer_read_sync+0x10/0x10 [ 144.175552][ C0] end_buffer_read_sync+0xc1/0xd0 [ 144.175565][ C0] end_bio_bh_io_sync+0xbf/0x120 [ 144.175585][ C0] blk_update_request+0x5e5/0x1160 [ 144.175614][ C0] blk_mq_end_request+0x3e/0x70 [ 144.175646][ C0] blk_done_softirq+0x100/0x150 [ 144.175667][ C0] handle_softirqs+0x2d6/0x9b0 [ 144.175686][ C0] ? __irq_exit_rcu+0xfb/0x220 [ 144.175702][ C0] ? __pfx_handle_softirqs+0x10/0x10 [ 144.175716][ C0] ? _raw_spin_unlock_irqrestore+0xde/0x140 [ 144.175738][ C0] ? irqtime_account_irq+0xd4/0x1e0 [ 144.175753][ C0] __irq_exit_rcu+0xfb/0x220 [ 144.175768][ C0] ? __pfx___irq_exit_rcu+0x10/0x10 [ 144.175782][ C0] ? __pfx___rdmsr_safe_on_cpu+0x10/0x10 [ 144.175804][ C0] ? rcu_is_watching+0x15/0xb0 [ 144.175823][ C0] irq_exit_rcu+0x9/0x30 [ 144.175837][ C0] sysvec_call_function_single+0xa3/0xc0 [ 144.175858][ C0] [ 144.175863][ C0] [ 144.175868][ C0] asm_sysvec_call_function_single+0x1a/0x20 [ 144.175887][ C0] RIP: 0010:raise_softirq+0x134/0x190 [ 144.175903][ C0] Code: 40 42 80 3c 2b 00 74 08 4c 89 f7 e8 b6 29 a9 00 f6 44 24 41 02 75 52 41 f7 c4 00 02 00 00 74 01 fb 48 c7 44 24 20 0e 36 e0 45 <4b> c7 44 3d 00 00 00 00 00 66 43 c7 44 3d 09 00 00 43 c6 44 3d 0b [ 144.175915][ C0] RSP: 0000:ffffc90000117520 EFLAGS: 00000206 [ 144.175928][ C0] RAX: d127e84c61264800 RBX: 1ffff92000022eac RCX: 0000000000000006 [ 144.175939][ C0] RDX: 0000000000000006 RSI: ffffffff8e6a4c4b RDI: ffffffff8ca1e060 [ 144.175949][ C0] RBP: ffffc900001175e8 R08: ffffffff905ffd37 R09: 1ffffffff20bffa6 [ 144.175960][ C0] R10: dffffc0000000000 R11: fffffbfff20bffa7 R12: 0000000000000246 [ 144.175971][ C0] R13: dffffc0000000000 R14: ffffc90000117560 R15: 1ffff92000022ea8 [ 144.175990][ C0] ? __pfx_raise_softirq+0x10/0x10 [ 144.176006][ C0] ? __pfx_llist_add_batch+0x10/0x10 [ 144.176028][ C0] ? __pfx___might_resched+0x10/0x10 [ 144.176049][ C0] blk_mq_complete_request_remote+0x541/0x740 [ 144.176075][ C0] blk_mq_complete_request+0x19/0xa0 [ 144.176098][ C0] loop_process_work+0x1bdf/0x21d0 [ 144.176114][ C0] ? ret_from_fork_asm+0x1a/0x30 [ 144.176140][ C0] ? __pfx_loop_process_work+0x10/0x10 [ 144.176161][ C0] ? __lock_acquire+0xad5/0xd80 [ 144.176178][ C0] ? do_raw_spin_lock+0x151/0x370 [ 144.176203][ C0] ? do_raw_spin_unlock+0x13c/0x8b0 [ 144.176227][ C0] ? look_up_lock_class+0x7b/0x170 [ 144.176246][ C0] ? register_lock_class+0x54/0x330 [ 144.176263][ C0] ? __lock_acquire+0xad5/0xd80 [ 144.176279][ C0] ? lockdep_hardirqs_on+0x9d/0x150 [ 144.176304][ C0] ? process_scheduled_works+0x9cb/0x18e0 [ 144.176321][ C0] process_scheduled_works+0xac3/0x18e0 [ 144.176348][ C0] ? __pfx_process_scheduled_works+0x10/0x10 [ 144.176369][ C0] ? assign_work+0x367/0x3d0 [ 144.176387][ C0] worker_thread+0x870/0xd50 [ 144.176409][ C0] ? __kthread_parkme+0x1a8/0x200 [ 144.176432][ C0] ? __pfx_worker_thread+0x10/0x10 [ 144.176457][ C0] kthread+0x7b7/0x940 [ 144.176486][ C0] ? __pfx_worker_thread+0x10/0x10 [ 144.176508][ C0] ? __pfx_kthread+0x10/0x10 [ 144.176533][ C0] ? __pfx_kthread+0x10/0x10 [ 144.176560][ C0] ? __pfx_kthread+0x10/0x10 [ 144.176586][ C0] ? __pfx_kthread+0x10/0x10 [ 144.176612][ C0] ? _raw_spin_unlock_irq+0x23/0x50 [ 144.176639][ C0] ? lockdep_hardirqs_on+0x9d/0x150 [ 144.176668][ C0] ? __pfx_kthread+0x10/0x10 [ 144.176694][ C0] ret_from_fork+0x4b/0x80 [ 144.176715][ C0] ? __pfx_kthread+0x10/0x10 [ 144.176743][ C0] ret_from_fork_asm+0x1a/0x30 [ 144.176769][ C0] [ 144.176777][ C0] [ 144.606758][ C0] The buggy address belongs to the virtual mapping at [ 144.606758][ C0] [ffffc900047b8000, ffffc900047c1000) created by: [ 144.606758][ C0] copy_process+0x5dc/0x3d10 [ 144.624386][ C0] [ 144.626712][ C0] The buggy address belongs to the physical page: [ 144.633129][ C0] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x100 pfn:0x279cf [ 144.642070][ C0] flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff) [ 144.649189][ C0] raw: 00fff00000000000 0000000000000000 dead000000000122 0000000000000000 [ 144.657774][ C0] raw: 0000000000000100 0000000000000000 00000001ffffffff 0000000000000000 [ 144.666361][ C0] page dumped because: kasan: bad access detected [ 144.672773][ C0] page_owner tracks the page as allocated [ 144.678479][ C0] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x2dc2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_ZERO|__GFP_NOWARN), pid 5843, tgid 5843 (syz-executor354), ts 133889509803, free_ts 125319715816 [ 144.698183][ C0] post_alloc_hook+0x1f4/0x240 [ 144.702952][ C0] get_page_from_freelist+0x356d/0x3700 [ 144.708501][ C0] __alloc_frozen_pages_noprof+0x211/0x5b0 [ 144.714307][ C0] alloc_pages_mpol+0x339/0x690 [ 144.719162][ C0] alloc_pages_noprof+0x121/0x190 [ 144.724190][ C0] __vmalloc_node_range_noprof+0x9cb/0x1390 [ 144.730081][ C0] __vmalloc_node_noprof+0x80/0xa0 [ 144.735192][ C0] dup_task_struct+0x3f7/0x870 [ 144.739952][ C0] copy_process+0x5dc/0x3d10 [ 144.744541][ C0] kernel_clone+0x242/0x930 [ 144.749049][ C0] __x64_sys_clone+0x268/0x2e0 [ 144.753812][ C0] do_syscall_64+0xf3/0x230 [ 144.758320][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 144.764207][ C0] page last free pid 5846 tgid 5846 stack trace: [ 144.770525][ C0] free_unref_folios+0xe0e/0x17f0 [ 144.775557][ C0] folios_put_refs+0x70a/0x800 [ 144.780329][ C0] truncate_inode_pages_range+0x462/0x10e0 [ 144.786130][ C0] blkdev_flush_mapping+0x108/0x270 [ 144.791331][ C0] bdev_release+0x460/0x700 [ 144.795834][ C0] blkdev_release+0x15/0x20 [ 144.800340][ C0] __fput+0x3e9/0x9f0 [ 144.804318][ C0] task_work_run+0x251/0x310 [ 144.808904][ C0] ptrace_notify+0x2dc/0x390 [ 144.813487][ C0] syscall_exit_work+0xc7/0x1d0 [ 144.818341][ C0] syscall_exit_to_user_mode+0x24a/0x340 [ 144.823972][ C0] do_syscall_64+0x100/0x230 [ 144.828562][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 144.834460][ C0] [ 144.836785][ C0] Memory state around the buggy address: [ 144.842410][ C0] ffffc900047bf500: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [pid 5843] <... close resumed>) = 0 [ 144.850467][ C0] ffffc900047bf580: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 144.858521][ C0] >ffffc900047bf600: 00 00 00 00 00 00 00 00 f1 f1 f1 f1 00 00 00 00 [ 144.866582][ C0] ^ [ 144.874025][ C0] ffffc900047bf680: 00 00 00 f2 f2 f2 f2 f2 00 f2 f2 f2 01 f3 f3 f3 [ 144.882083][ C0] ffffc900047bf700: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 144.890135][ C0] ================================================================== [ 144.898672][ C0] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 144.905888][ C0] CPU: 0 UID: 0 PID: 12 Comm: kworker/u8:0 Not tainted 6.14.0-next-20250404-syzkaller #0 PREEMPT(full) [ 144.916997][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 144.927052][ C0] Workqueue: loop4 loop_rootcg_workfn [ 144.932435][ C0] Call Trace: [ 144.935714][ C0] [ 144.938555][ C0] dump_stack_lvl+0x241/0x360 [ 144.943244][ C0] ? __pfx_dump_stack_lvl+0x10/0x10 [ 144.948445][ C0] ? __pfx__printk+0x10/0x10 [ 144.953038][ C0] ? do_raw_spin_unlock+0x13c/0x8b0 [ 144.958246][ C0] ? vscnprintf+0x5d/0x90 [ 144.962578][ C0] panic+0x349/0x880 [ 144.966482][ C0] ? check_panic_on_warn+0x21/0xb0 [ 144.971597][ C0] ? __pfx_panic+0x10/0x10 [ 144.976019][ C0] ? _raw_spin_unlock_irqrestore+0xd9/0x140 [ 144.981915][ C0] ? _raw_spin_unlock_irqrestore+0xde/0x140 [ 144.987810][ C0] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 144.994139][ C0] ? print_report+0x519/0x5b0 [ 144.998826][ C0] check_panic_on_warn+0x86/0xb0 [ 145.003772][ C0] ? end_buffer_read_sync+0xc1/0xd0 [ 145.008967][ C0] end_report+0x77/0x160 [ 145.013210][ C0] kasan_report+0x154/0x180 [ 145.017718][ C0] ? wake_up_bit+0x154/0x1a0 [ 145.022316][ C0] ? end_buffer_read_sync+0xc1/0xd0 [ 145.027515][ C0] kasan_check_range+0x28f/0x2a0 [ 145.032461][ C0] ? __pfx_end_buffer_read_sync+0x10/0x10 [ 145.038176][ C0] end_buffer_read_sync+0xc1/0xd0 [ 145.043201][ C0] end_bio_bh_io_sync+0xbf/0x120 [ 145.048147][ C0] blk_update_request+0x5e5/0x1160 [ 145.053275][ C0] blk_mq_end_request+0x3e/0x70 [ 145.058134][ C0] blk_done_softirq+0x100/0x150 [ 145.062994][ C0] handle_softirqs+0x2d6/0x9b0 [ 145.067765][ C0] ? __irq_exit_rcu+0xfb/0x220 [ 145.072532][ C0] ? __pfx_handle_softirqs+0x10/0x10 [ 145.077910][ C0] ? _raw_spin_unlock_irqrestore+0xde/0x140 [ 145.083809][ C0] ? irqtime_account_irq+0xd4/0x1e0 [ 145.089009][ C0] __irq_exit_rcu+0xfb/0x220 [ 145.093604][ C0] ? __pfx___irq_exit_rcu+0x10/0x10 [ 145.098802][ C0] ? __pfx___rdmsr_safe_on_cpu+0x10/0x10 [ 145.104440][ C0] ? rcu_is_watching+0x15/0xb0 [ 145.109209][ C0] irq_exit_rcu+0x9/0x30 [ 145.113450][ C0] sysvec_call_function_single+0xa3/0xc0 [ 145.119087][ C0] [ 145.122016][ C0] [ 145.124948][ C0] asm_sysvec_call_function_single+0x1a/0x20 [ 145.130936][ C0] RIP: 0010:raise_softirq+0x134/0x190 [ 145.136310][ C0] Code: 40 42 80 3c 2b 00 74 08 4c 89 f7 e8 b6 29 a9 00 f6 44 24 41 02 75 52 41 f7 c4 00 02 00 00 74 01 fb 48 c7 44 24 20 0e 36 e0 45 <4b> c7 44 3d 00 00 00 00 00 66 43 c7 44 3d 09 00 00 43 c6 44 3d 0b [ 145.155915][ C0] RSP: 0000:ffffc90000117520 EFLAGS: 00000206 [ 145.161990][ C0] RAX: d127e84c61264800 RBX: 1ffff92000022eac RCX: 0000000000000006 [ 145.169961][ C0] RDX: 0000000000000006 RSI: ffffffff8e6a4c4b RDI: ffffffff8ca1e060 [ 145.177933][ C0] RBP: ffffc900001175e8 R08: ffffffff905ffd37 R09: 1ffffffff20bffa6 [ 145.185905][ C0] R10: dffffc0000000000 R11: fffffbfff20bffa7 R12: 0000000000000246 [ 145.193883][ C0] R13: dffffc0000000000 R14: ffffc90000117560 R15: 1ffff92000022ea8 [ 145.201880][ C0] ? __pfx_raise_softirq+0x10/0x10 [ 145.206999][ C0] ? __pfx_llist_add_batch+0x10/0x10 [ 145.212293][ C0] ? __pfx___might_resched+0x10/0x10 [ 145.217638][ C0] blk_mq_complete_request_remote+0x541/0x740 [ 145.223721][ C0] blk_mq_complete_request+0x19/0xa0 [ 145.229018][ C0] loop_process_work+0x1bdf/0x21d0 [ 145.234162][ C0] ? ret_from_fork_asm+0x1a/0x30 [ 145.239206][ C0] ? __pfx_loop_process_work+0x10/0x10 [ 145.244678][ C0] ? __lock_acquire+0xad5/0xd80 [ 145.249547][ C0] ? do_raw_spin_lock+0x151/0x370 [ 145.254587][ C0] ? do_raw_spin_unlock+0x13c/0x8b0 [ 145.259810][ C0] ? look_up_lock_class+0x7b/0x170 [ 145.264929][ C0] ? register_lock_class+0x54/0x330 [ 145.270133][ C0] ? __lock_acquire+0xad5/0xd80 [ 145.274987][ C0] ? lockdep_hardirqs_on+0x9d/0x150 [ 145.280287][ C0] ? process_scheduled_works+0x9cb/0x18e0 [ 145.286009][ C0] process_scheduled_works+0xac3/0x18e0 [ 145.291573][ C0] ? __pfx_process_scheduled_works+0x10/0x10 [ 145.297577][ C0] ? assign_work+0x367/0x3d0 [ 145.302176][ C0] worker_thread+0x870/0xd50 [ 145.306781][ C0] ? __kthread_parkme+0x1a8/0x200 [ 145.311818][ C0] ? __pfx_worker_thread+0x10/0x10 [ 145.316934][ C0] kthread+0x7b7/0x940 [ 145.321017][ C0] ? __pfx_worker_thread+0x10/0x10 [ 145.326135][ C0] ? __pfx_kthread+0x10/0x10 [ 145.330732][ C0] ? __pfx_kthread+0x10/0x10 [ 145.335334][ C0] ? __pfx_kthread+0x10/0x10 [ 145.339955][ C0] ? __pfx_kthread+0x10/0x10 [ 145.344566][ C0] ? _raw_spin_unlock_irq+0x23/0x50 [ 145.349784][ C0] ? lockdep_hardirqs_on+0x9d/0x150 [ 145.355022][ C0] ? __pfx_kthread+0x10/0x10 [ 145.359623][ C0] ret_from_fork+0x4b/0x80 [ 145.364043][ C0] ? __pfx_kthread+0x10/0x10 [ 145.368641][ C0] ret_from_fork_asm+0x1a/0x30 [ 145.373415][ C0] [ 145.376754][ C0] Kernel Offset: disabled [ 145.381109][ C0] Rebooting in 86400 seconds..