./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1919120364 <...> Warning: Permanently added '10.128.1.176' (ED25519) to the list of known hosts. execve("./syz-executor1919120364", ["./syz-executor1919120364"], 0x7fff7c8e72a0 /* 10 vars */) = 0 brk(NULL) = 0x555557251000 brk(0x555557251d40) = 0x555557251d40 arch_prctl(ARCH_SET_FS, 0x5555572513c0) = 0 set_tid_address(0x555557251690) = 5041 set_robust_list(0x5555572516a0, 24) = 0 rseq(0x555557251ce0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1919120364", 4096) = 28 getrandom("\xa5\xbb\x47\x06\xf0\x6d\xeb\x78", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555557251d40 brk(0x555557272d40) = 0x555557272d40 brk(0x555557273000) = 0x555557273000 mprotect(0x7f016feed000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 mkdir("./syzkaller.QtGiGo", 0700) = 0 chmod("./syzkaller.QtGiGo", 0777) = 0 chdir("./syzkaller.QtGiGo") = 0 mkdir("./0", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555557251690) = 5042 ./strace-static-x86_64: Process 5042 attached [pid 5042] set_robust_list(0x5555572516a0, 24) = 0 [pid 5042] chdir("./0") = 0 [pid 5042] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5042] setpgid(0, 0) = 0 [pid 5042] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5042] write(3, "1000", 4) = 4 [pid 5042] close(3) = 0 [pid 5042] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5042] futex(0x7f016fef36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5042] rt_sigaction(SIGRT_1, {sa_handler=0x7f016fe90eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f016fe82060}, NULL, 8) = 0 [pid 5042] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5042] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f016fe07000 [pid 5042] mprotect(0x7f016fe08000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5042] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5042] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f016fe27990, parent_tid=0x7f016fe27990, exit_signal=0, stack=0x7f016fe07000, stack_size=0x20300, tls=0x7f016fe276c0} => {parent_tid=[5043]}, 88) = 5043 [pid 5042] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5042] futex(0x7f016fef36a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5042] futex(0x7f016fef36ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5043 attached [pid 5043] rseq(0x7f016fe27fe0, 0x20, 0, 0x53053053) = 0 [pid 5043] set_robust_list(0x7f016fe279a0, 24) = 0 [pid 5043] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5043] memfd_create("syzkaller", 0) = 3 [pid 5043] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0167a07000 [pid 5043] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288) = 524288 [pid 5043] munmap(0x7f0167a07000, 524288) = 0 [pid 5043] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5043] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5043] close(3) = 0 [pid 5043] mkdir("./bus", 0777) = 0 [ 71.730794][ T5043] syz-executor191[5043]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [ 71.751609][ T5043] loop0: detected capacity change from 0 to 1024 [ 71.760611][ T5043] ======================================================= [ 71.760611][ T5043] WARNING: The mand mount option has been deprecated and [pid 5043] mount("/dev/loop0", "./bus", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK, "") = 0 [pid 5043] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5043] chdir("./bus") = 0 [pid 5043] ioctl(4, LOOP_CLR_FD) = 0 [pid 5043] close(4) = 0 [pid 5043] futex(0x7f016fef36ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5042] <... futex resumed>) = 0 [pid 5043] futex(0x7f016fef36a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5042] futex(0x7f016fef36a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5042] futex(0x7f016fef36bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5042] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0167a66000 [pid 5042] mprotect(0x7f0167a67000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5042] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5043] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5043] rename("./file1", "./bus" [pid 5042] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5042] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0167a86990, parent_tid=0x7f0167a86990, exit_signal=0, stack=0x7f0167a66000, stack_size=0x20300, tls=0x7f0167a866c0}./strace-static-x86_64: Process 5045 attached [pid 5045] rseq(0x7f0167a86fe0, 0x20, 0, 0x53053053) = 0 [pid 5045] set_robust_list(0x7f0167a869a0, 24) = 0 [pid 5045] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5042] <... clone3 resumed> => {parent_tid=[5045]}, 88) = 5045 [pid 5045] futex(0x7f016fef36b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5042] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5042] futex(0x7f016fef36b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5045] <... futex resumed>) = 0 [pid 5045] creat("./file1", 000 [pid 5042] <... futex resumed>) = 1 [pid 5045] <... creat resumed>) = 4 [pid 5043] <... rename resumed>) = 0 [pid 5042] futex(0x7f016fef36bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5045] creat("./file1", 000 [pid 5043] rename("./file1", "./bus" [pid 5045] <... creat resumed>) = 5 [pid 5045] creat("./file1", 000) = 6 [pid 5045] creat("./file1", 000) = 7 [pid 5045] creat("./file1", 000) = 8 [pid 5045] creat("./file1", 000) = 9 [pid 5043] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5043] rename("./file1", "./bus" [pid 5045] creat("./file1", 000) = 10 [pid 5043] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5043] rename("./file1", "./bus" [pid 5045] creat("./file1", 000) = 11 [pid 5043] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5043] rename("./file1", "./bus" [pid 5045] creat("./file1", 000 [pid 5043] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5045] <... creat resumed>) = 12 [pid 5043] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5045] creat("./file1", 000 [pid 5043] rename("./file1", "./bus" [pid 5045] <... creat resumed>) = 13 [pid 5043] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5043] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5045] creat("./file1", 000) = 14 [pid 5043] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5043] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5045] creat("./file1", 000) = 15 [pid 5043] rename("./file1", "./bus" [pid 5045] creat("./file1", 000 [pid 5043] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5045] <... creat resumed>) = 16 [pid 5043] rename("./file1", "./bus" [pid 5045] creat("./file1", 000 [pid 5043] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5045] <... creat resumed>) = 17 [pid 5043] rename("./file1", "./bus" [pid 5045] creat("./file1", 000 [pid 5043] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5045] <... creat resumed>) = 18 [pid 5043] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5043] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5043] rename("./file1", "./bus" [pid 5045] creat("./file1", 000 [pid 5043] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5045] <... creat resumed>) = 19 [pid 5045] creat("./file1", 000 [pid 5043] rename("./file1", "./bus" [pid 5045] <... creat resumed>) = 20 [pid 5043] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5043] rename("./file1", "./bus" [pid 5045] creat("./file1", 000 [pid 5043] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5045] <... creat resumed>) = 21 [pid 5043] rename("./file1", "./bus" [pid 5045] creat("./file1", 000 [pid 5043] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5045] <... creat resumed>) = 22 [pid 5045] creat("./file1", 000) = 23 [ 71.760611][ T5043] and is ignored by this kernel. Remove the mand [ 71.760611][ T5043] option from the mount to silence this warning. [ 71.760611][ T5043] ======================================================= [pid 5043] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5043] rename("./file1", "./bus" [pid 5045] creat("./file1", 000) = 24 [pid 5045] creat("./file1", 000 [pid 5043] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5043] rename("./file1", "./bus" [pid 5045] <... creat resumed>) = 25 [pid 5045] creat("./file1", 000 [pid 5043] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5043] rename("./file1", "./bus" [pid 5045] <... creat resumed>) = 26 [pid 5043] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5045] creat("./file1", 000 [pid 5043] rename("./file1", "./bus" [pid 5045] <... creat resumed>) = 27 [pid 5043] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5045] creat("./file1", 000 [pid 5043] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5045] <... creat resumed>) = 28 [pid 5043] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5043] rename("./file1", "./bus" [pid 5045] creat("./file1", 000 [pid 5043] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5043] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5043] rename("./file1", "./bus" [pid 5045] <... creat resumed>) = 29 [pid 5043] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5043] rename("./file1", "./bus" [pid 5045] creat("./file1", 000 [pid 5043] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5043] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5043] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5043] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5043] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5043] rename("./file1", "./bus" [pid 5045] <... creat resumed>) = 30 [pid 5045] creat("./file1", 000 [pid 5043] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5043] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5043] rename("./file1", "./bus" [pid 5045] <... creat resumed>) = 31 [pid 5043] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5043] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5043] rename("./file1", "./bus" [pid 5045] creat("./file1", 000 [pid 5043] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5043] rename("./file1", "./bus" [pid 5045] <... creat resumed>) = 32 [pid 5043] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5043] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5043] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5043] rename("./file1", "./bus" [pid 5045] creat("./file1", 000 [pid 5043] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5043] rename("./file1", "./bus" [pid 5045] <... creat resumed>) = 33 [pid 5043] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5043] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5043] rename("./file1", "./bus" [pid 5045] creat("./file1", 000 [pid 5043] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5043] rename("./file1", "./bus" [pid 5045] <... creat resumed>) = 34 [pid 5043] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5043] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5043] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5043] rename("./file1", "./bus" [pid 5042] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5043] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5043] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5045] creat("./file1", 000 [pid 5043] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5045] <... creat resumed>) = 35 [pid 5043] rename("./file1", "./bus" [pid 5045] creat("./file1", 000 [pid 5043] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5043] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5043] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5043] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5043] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5043] rename("./file1", "./bus" [pid 5045] <... creat resumed>) = 36 [pid 5043] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5043] rename("./file1", "./bus" [pid 5045] creat("./file1", 000 [pid 5043] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5043] rename("./file1", "./bus" [pid 5045] <... creat resumed>) = 37 [pid 5043] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5043] rename("./file1", "./bus" [pid 5045] creat("./file1", 000 [pid 5043] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5043] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5043] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5043] rename("./file1", "./bus" [pid 5045] <... creat resumed>) = 38 [pid 5043] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5043] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5045] creat("./file1", 000 [pid 5043] futex(0x7f016fef36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5043] futex(0x7f016fef36a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5045] <... creat resumed>) = 39 [pid 5045] creat("./file1", 000) = 40 [pid 5045] creat("./file1", 000) = 41 [pid 5045] creat("./file1", 000) = 42 [pid 5045] creat("./file1", 000) = 43 [pid 5045] creat("./file1", 000) = 44 [pid 5045] creat("./file1", 000) = 45 [pid 5045] creat("./file1", 000) = 46 [pid 5045] creat("./file1", 000) = 47 [pid 5045] creat("./file1", 000) = 48 [pid 5045] creat("./file1", 000) = 49 [pid 5045] creat("./file1", 000) = 50 [pid 5045] creat("./file1", 000) = 51 [pid 5045] creat("./file1", 000) = 52 [pid 5045] creat("./file1", 000) = 53 [pid 5045] creat("./file1", 000) = 54 [pid 5045] creat("./file1", 000) = 55 [pid 5045] creat("./file1", 000) = 56 [pid 5045] creat("./file1", 000) = 57 [pid 5045] creat("./file1", 000) = 58 [pid 5045] creat("./file1", 000) = 59 [pid 5045] creat("./file1", 000) = 60 [pid 5045] creat("./file1", 000) = 61 [pid 5045] creat("./file1", 000) = 62 [pid 5045] creat("./file1", 000) = 63 [pid 5045] creat("./file1", 000) = 64 [pid 5045] creat("./file1", 000) = 65 [pid 5045] creat("./file1", 000) = 66 [pid 5045] creat("./file1", 000) = 67 [pid 5045] creat("./file1", 000) = 68 [pid 5045] futex(0x7f016fef36bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5045] futex(0x7f016fef36b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5042] exit_group(0 [pid 5045] <... futex resumed>) = ? [pid 5043] <... futex resumed>) = ? [pid 5045] +++ exited with 0 +++ [pid 5043] +++ exited with 0 +++ [pid 5042] <... exit_group resumed>) = ? [pid 5042] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5042, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x555557252730 /* 4 entries */, 32768) = 104 umount2("./0/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./0/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./0/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./0/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./0/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x55555725a770 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555725a770 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./0/bus") = 0 umount2("./0/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./0/binderfs") = 0 getdents64(3, 0x555557252730 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./0") = 0 mkdir("./1", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5046 attached , child_tidptr=0x555557251690) = 5046 [pid 5046] set_robust_list(0x5555572516a0, 24) = 0 [pid 5046] chdir("./1") = 0 [pid 5046] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5046] setpgid(0, 0) = 0 [pid 5046] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5046] write(3, "1000", 4) = 4 [pid 5046] close(3) = 0 [pid 5046] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5046] futex(0x7f016fef36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5046] rt_sigaction(SIGRT_1, {sa_handler=0x7f016fe90eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f016fe82060}, NULL, 8) = 0 [pid 5046] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5046] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f016fe07000 [pid 5046] mprotect(0x7f016fe08000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5046] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5046] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f016fe27990, parent_tid=0x7f016fe27990, exit_signal=0, stack=0x7f016fe07000, stack_size=0x20300, tls=0x7f016fe276c0}./strace-static-x86_64: Process 5047 attached [pid 5047] rseq(0x7f016fe27fe0, 0x20, 0, 0x53053053) = 0 [pid 5047] set_robust_list(0x7f016fe279a0, 24) = 0 [pid 5047] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5047] futex(0x7f016fef36a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5046] <... clone3 resumed> => {parent_tid=[5047]}, 88) = 5047 [pid 5046] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5046] futex(0x7f016fef36a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5047] <... futex resumed>) = 0 [pid 5046] <... futex resumed>) = 1 [ 71.903096][ T3119] hfsplus: b-tree write err: -5, ino 8 [pid 5046] futex(0x7f016fef36ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5047] memfd_create("syzkaller", 0) = 3 [pid 5047] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0167a07000 [pid 5047] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288) = 524288 [pid 5047] munmap(0x7f0167a07000, 524288) = 0 [pid 5047] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5047] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5047] close(3) = 0 [pid 5047] mkdir("./bus", 0777) = 0 [pid 5047] mount("/dev/loop0", "./bus", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK, "") = 0 [pid 5047] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5047] chdir("./bus") = 0 [pid 5047] ioctl(4, LOOP_CLR_FD) = 0 [pid 5047] close(4) = 0 [pid 5047] futex(0x7f016fef36ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5046] <... futex resumed>) = 0 [pid 5047] futex(0x7f016fef36a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5046] futex(0x7f016fef36a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5047] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5046] <... futex resumed>) = 0 [pid 5047] rename("./file1", "./bus" [pid 5046] futex(0x7f016fef36bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5047] <... rename resumed>) = 0 [pid 5046] <... futex resumed>) = 0 [pid 5046] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0167a66000 [pid 5046] mprotect(0x7f0167a67000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5046] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5047] rename("./file1", "./bus" [pid 5046] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0167a86990, parent_tid=0x7f0167a86990, exit_signal=0, stack=0x7f0167a66000, stack_size=0x20300, tls=0x7f0167a866c0} [pid 5047] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5046] <... clone3 resumed> => {parent_tid=[5048]}, 88) = 5048 [pid 5047] rename("./file1", "./bus" [pid 5046] rt_sigprocmask(SIG_SETMASK, [], [pid 5047] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5046] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5046] futex(0x7f016fef36b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5047] rename("./file1", "./bus" [pid 5046] <... futex resumed>) = 0 [pid 5047] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5046] futex(0x7f016fef36bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5047] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5047] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5047] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5047] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5047] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5047] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5047] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5047] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5047] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5047] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5047] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5047] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5047] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5047] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5047] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5047] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5047] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5047] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5047] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5047] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5047] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5047] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5047] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5047] rename("./file1", "./bus"./strace-static-x86_64: Process 5048 attached ) = -1 ENOENT (No such file or directory) [pid 5047] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5047] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5047] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5047] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5047] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5047] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5047] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5047] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5047] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5047] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5047] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5047] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5047] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5047] rename("./file1", "./bus" [pid 5048] rseq(0x7f0167a86fe0, 0x20, 0, 0x53053053 [pid 5047] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5047] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5047] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5047] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5047] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5047] rename("./file1", "./bus" [pid 5048] <... rseq resumed>) = 0 [pid 5048] set_robust_list(0x7f0167a869a0, 24 [pid 5047] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5048] <... set_robust_list resumed>) = 0 [pid 5047] rename("./file1", "./bus" [pid 5048] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5048] creat("./file1", 000 [pid 5047] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5047] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5047] rename("./file1", "./bus" [pid 5048] <... creat resumed>) = 4 [pid 5047] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5047] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5047] rename("./file1", "./bus" [pid 5048] creat("./file1", 000 [pid 5047] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5047] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5047] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5047] rename("./file1", "./bus" [pid 5048] <... creat resumed>) = 5 [pid 5048] creat("./file1", 000 [pid 5047] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5047] rename("./file1", "./bus" [pid 5048] <... creat resumed>) = 6 [pid 5048] creat("./file1", 000 [pid 5047] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5047] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5047] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [ 71.958071][ T5047] syz-executor191[5047]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [ 71.976280][ T5047] loop0: detected capacity change from 0 to 1024 [pid 5047] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5047] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5047] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5047] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5047] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5047] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5047] rename("./file1", "./bus" [pid 5048] <... creat resumed>) = 7 [pid 5047] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5048] creat("./file1", 000 [pid 5047] futex(0x7f016fef36ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5048] <... creat resumed>) = 8 [pid 5047] <... futex resumed>) = 0 [pid 5047] futex(0x7f016fef36a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5048] creat("./file1", 000) = 9 [pid 5048] creat("./file1", 000) = 10 [pid 5048] creat("./file1", 000) = 11 [pid 5048] creat("./file1", 000) = 12 [pid 5048] creat("./file1", 000) = 13 [pid 5048] creat("./file1", 000) = 14 [pid 5048] creat("./file1", 000) = 15 [pid 5048] creat("./file1", 000) = 16 [pid 5048] creat("./file1", 000) = 17 [pid 5048] creat("./file1", 000) = 18 [pid 5048] creat("./file1", 000) = 19 [pid 5048] creat("./file1", 000) = 20 [pid 5048] creat("./file1", 000) = 21 [pid 5048] creat("./file1", 000) = 22 [pid 5048] creat("./file1", 000) = 23 [pid 5048] creat("./file1", 000) = 24 [pid 5048] creat("./file1", 000) = 25 [pid 5048] creat("./file1", 000) = 26 [pid 5048] creat("./file1", 000) = 27 [pid 5048] creat("./file1", 000) = 28 [pid 5048] creat("./file1", 000) = 29 [pid 5048] creat("./file1", 000) = 30 [pid 5048] creat("./file1", 000) = 31 [pid 5048] creat("./file1", 000) = 32 [pid 5048] creat("./file1", 000) = 33 [pid 5048] creat("./file1", 000) = 34 [pid 5048] creat("./file1", 000) = 35 [pid 5048] creat("./file1", 000) = 36 [pid 5048] creat("./file1", 000) = 37 [pid 5048] creat("./file1", 000) = 38 [pid 5046] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5048] creat("./file1", 000) = 39 [pid 5048] creat("./file1", 000) = 40 [pid 5048] creat("./file1", 000) = 41 [pid 5048] creat("./file1", 000) = 42 [pid 5048] creat("./file1", 000) = 43 [pid 5048] creat("./file1", 000) = 44 [pid 5048] creat("./file1", 000) = 45 [pid 5048] creat("./file1", 000) = 46 [pid 5048] creat("./file1", 000) = 47 [pid 5048] creat("./file1", 000) = 48 [pid 5048] creat("./file1", 000) = 49 [pid 5048] creat("./file1", 000) = 50 [pid 5048] creat("./file1", 000) = 51 [pid 5048] creat("./file1", 000) = 52 [pid 5048] creat("./file1", 000) = 53 [pid 5048] creat("./file1", 000) = 54 [pid 5048] creat("./file1", 000) = 55 [pid 5048] creat("./file1", 000) = 56 [pid 5048] creat("./file1", 000) = 57 [pid 5048] creat("./file1", 000) = 58 [pid 5048] creat("./file1", 000) = 59 [pid 5048] creat("./file1", 000) = 60 [pid 5048] creat("./file1", 000) = 61 [pid 5048] creat("./file1", 000) = 62 [pid 5048] creat("./file1", 000) = 63 [pid 5048] creat("./file1", 000) = 64 [pid 5048] creat("./file1", 000) = 65 [pid 5048] creat("./file1", 000) = 66 [pid 5048] creat("./file1", 000) = 67 [pid 5048] creat("./file1", 000) = 68 [pid 5048] futex(0x7f016fef36bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5046] exit_group(0 [pid 5048] <... futex resumed>) = 0 [pid 5048] futex(0x7f016fef36b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5047] <... futex resumed>) = ? [pid 5048] <... futex resumed>) = ? [pid 5048] +++ exited with 0 +++ [pid 5046] <... exit_group resumed>) = ? [pid 5047] +++ exited with 0 +++ [pid 5046] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5046, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./1", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x555557252730 /* 4 entries */, 32768) = 104 umount2("./1/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./1/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./1/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./1/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./1/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x55555725a770 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555725a770 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./1/bus") = 0 umount2("./1/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./1/binderfs") = 0 getdents64(3, 0x555557252730 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./1") = 0 mkdir("./2", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555557251690) = 5049 ./strace-static-x86_64: Process 5049 attached [pid 5049] set_robust_list(0x5555572516a0, 24) = 0 [pid 5049] chdir("./2") = 0 [pid 5049] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5049] setpgid(0, 0) = 0 [pid 5049] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5049] write(3, "1000", 4) = 4 [pid 5049] close(3) = 0 [pid 5049] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5049] futex(0x7f016fef36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5049] rt_sigaction(SIGRT_1, {sa_handler=0x7f016fe90eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f016fe82060}, NULL, 8) = 0 [pid 5049] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5049] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f016fe07000 [pid 5049] mprotect(0x7f016fe08000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5049] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5049] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f016fe27990, parent_tid=0x7f016fe27990, exit_signal=0, stack=0x7f016fe07000, stack_size=0x20300, tls=0x7f016fe276c0}./strace-static-x86_64: Process 5050 attached => {parent_tid=[5050]}, 88) = 5050 [pid 5050] rseq(0x7f016fe27fe0, 0x20, 0, 0x53053053 [pid 5049] rt_sigprocmask(SIG_SETMASK, [], [pid 5050] <... rseq resumed>) = 0 [pid 5049] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5050] set_robust_list(0x7f016fe279a0, 24 [pid 5049] futex(0x7f016fef36a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5050] <... set_robust_list resumed>) = 0 [pid 5049] <... futex resumed>) = 0 [pid 5050] rt_sigprocmask(SIG_SETMASK, [], [pid 5049] futex(0x7f016fef36ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5050] <... rt_sigprocmask resumed>NULL, 8) = 0 [ 72.092685][ T240] hfsplus: b-tree write err: -5, ino 8 [pid 5050] memfd_create("syzkaller", 0) = 3 [pid 5050] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0167a07000 [pid 5050] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288) = 524288 [pid 5050] munmap(0x7f0167a07000, 524288) = 0 [pid 5050] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5050] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5050] close(3) = 0 [pid 5050] mkdir("./bus", 0777) = 0 [pid 5050] mount("/dev/loop0", "./bus", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK, "") = 0 [pid 5050] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5050] chdir("./bus") = 0 [pid 5050] ioctl(4, LOOP_CLR_FD) = 0 [pid 5050] close(4) = 0 [pid 5050] futex(0x7f016fef36ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5050] futex(0x7f016fef36a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5049] <... futex resumed>) = 0 [pid 5049] futex(0x7f016fef36a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5049] futex(0x7f016fef36bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5050] <... futex resumed>) = 0 [pid 5050] rename("./file1", "./bus") = 0 [pid 5049] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5050] rename("./file1", "./bus" [pid 5049] <... mmap resumed>) = 0x7f0167a66000 [pid 5050] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5049] mprotect(0x7f0167a67000, 131072, PROT_READ|PROT_WRITE [pid 5050] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5050] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5050] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5050] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5050] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5050] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5050] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5049] <... mprotect resumed>) = 0 [pid 5050] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5050] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5050] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5050] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5050] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5050] rename("./file1", "./bus" [pid 5049] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5050] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5050] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5050] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5050] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5049] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5050] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5049] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0167a86990, parent_tid=0x7f0167a86990, exit_signal=0, stack=0x7f0167a66000, stack_size=0x20300, tls=0x7f0167a866c0}./strace-static-x86_64: Process 5051 attached => {parent_tid=[5051]}, 88) = 5051 [pid 5051] rseq(0x7f0167a86fe0, 0x20, 0, 0x53053053) = 0 [pid 5049] rt_sigprocmask(SIG_SETMASK, [], [pid 5050] rename("./file1", "./bus" [pid 5051] set_robust_list(0x7f0167a869a0, 24 [pid 5050] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5049] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5051] <... set_robust_list resumed>) = 0 [pid 5049] futex(0x7f016fef36b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] rt_sigprocmask(SIG_SETMASK, [], [pid 5050] rename("./file1", "./bus" [pid 5051] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5049] <... futex resumed>) = 0 [pid 5050] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5050] rename("./file1", "./bus" [pid 5049] futex(0x7f016fef36bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5051] creat("./file1", 000 [pid 5050] <... rename resumed>) = -1 ENOENT (No such file or directory) [ 72.151105][ T5050] syz-executor191[5050]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [ 72.169646][ T5050] loop0: detected capacity change from 0 to 1024 [pid 5050] rename("./file1", "./bus" [pid 5051] <... creat resumed>) = 4 [pid 5050] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5051] creat("./file1", 000) = 5 [pid 5050] rename("./file1", "./bus" [pid 5051] creat("./file1", 000) = 6 [pid 5051] creat("./file1", 000) = 7 [pid 5050] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5051] creat("./file1", 000 [pid 5050] rename("./file1", "./bus" [pid 5051] <... creat resumed>) = 8 [pid 5051] creat("./file1", 000) = 9 [pid 5050] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5051] creat("./file1", 000) = 10 [pid 5051] creat("./file1", 000 [pid 5050] rename("./file1", "./bus" [pid 5051] <... creat resumed>) = 11 [pid 5051] creat("./file1", 000 [pid 5050] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5051] <... creat resumed>) = 12 [pid 5050] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5051] creat("./file1", 000) = 13 [pid 5050] rename("./file1", "./bus" [pid 5051] creat("./file1", 000 [pid 5050] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5050] rename("./file1", "./bus" [pid 5051] <... creat resumed>) = 14 [pid 5050] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5051] creat("./file1", 000) = 15 [pid 5050] rename("./file1", "./bus" [pid 5051] creat("./file1", 000 [pid 5050] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5050] rename("./file1", "./bus" [pid 5051] <... creat resumed>) = 16 [pid 5051] creat("./file1", 000 [pid 5050] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5051] <... creat resumed>) = 17 [pid 5050] rename("./file1", "./bus" [pid 5051] creat("./file1", 000 [pid 5050] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5051] <... creat resumed>) = 18 [pid 5050] rename("./file1", "./bus" [pid 5051] creat("./file1", 000 [pid 5050] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5050] rename("./file1", "./bus" [pid 5051] <... creat resumed>) = 19 [pid 5051] creat("./file1", 000 [pid 5050] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5051] <... creat resumed>) = 20 [pid 5051] creat("./file1", 000 [pid 5050] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5051] <... creat resumed>) = 21 [pid 5050] rename("./file1", "./bus" [pid 5051] creat("./file1", 000) = 22 [pid 5050] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5051] creat("./file1", 000 [pid 5050] rename("./file1", "./bus" [pid 5051] <... creat resumed>) = 23 [pid 5051] creat("./file1", 000 [pid 5050] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5051] <... creat resumed>) = 24 [pid 5050] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5051] creat("./file1", 000) = 25 [pid 5050] rename("./file1", "./bus" [pid 5051] creat("./file1", 000 [pid 5050] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5051] <... creat resumed>) = 26 [pid 5050] rename("./file1", "./bus" [pid 5051] creat("./file1", 000 [pid 5050] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5051] <... creat resumed>) = 27 [pid 5050] rename("./file1", "./bus" [pid 5051] creat("./file1", 000 [pid 5050] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5051] <... creat resumed>) = 28 [pid 5050] rename("./file1", "./bus" [pid 5051] creat("./file1", 000) = 29 [pid 5051] creat("./file1", 000 [pid 5050] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5050] rename("./file1", "./bus" [pid 5051] <... creat resumed>) = 30 [pid 5051] creat("./file1", 000 [pid 5050] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5050] rename("./file1", "./bus" [pid 5051] <... creat resumed>) = 31 [pid 5050] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5050] rename("./file1", "./bus" [pid 5051] creat("./file1", 000 [pid 5050] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5050] rename("./file1", "./bus" [pid 5051] <... creat resumed>) = 32 [pid 5051] creat("./file1", 000 [pid 5050] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5050] rename("./file1", "./bus" [pid 5051] <... creat resumed>) = 33 [pid 5051] creat("./file1", 000 [pid 5050] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5050] rename("./file1", "./bus" [pid 5051] <... creat resumed>) = 34 [pid 5050] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5051] creat("./file1", 000 [pid 5050] rename("./file1", "./bus" [pid 5051] <... creat resumed>) = 35 [pid 5050] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5050] rename("./file1", "./bus" [pid 5051] creat("./file1", 000 [pid 5050] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5050] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5050] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5051] <... creat resumed>) = 36 [pid 5051] creat("./file1", 000 [pid 5050] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5050] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5050] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5050] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5050] rename("./file1", "./bus" [pid 5051] <... creat resumed>) = 37 [pid 5051] creat("./file1", 000 [pid 5050] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5050] rename("./file1", "./bus" [pid 5051] <... creat resumed>) = 38 [pid 5050] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5051] creat("./file1", 000 [pid 5050] rename("./file1", "./bus" [pid 5051] <... creat resumed>) = 39 [pid 5050] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5050] rename("./file1", "./bus" [pid 5051] creat("./file1", 000 [pid 5050] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5050] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5050] rename("./file1", "./bus" [pid 5051] <... creat resumed>) = 40 [pid 5050] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5050] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5050] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5050] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5050] futex(0x7f016fef36ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5049] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5051] creat("./file1", 000 [pid 5050] <... futex resumed>) = 0 [pid 5050] futex(0x7f016fef36a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5051] <... creat resumed>) = 41 [pid 5051] creat("./file1", 000) = 42 [pid 5051] creat("./file1", 000) = 43 [pid 5051] creat("./file1", 000) = 44 [pid 5051] creat("./file1", 000) = 45 [pid 5051] creat("./file1", 000) = 46 [pid 5051] creat("./file1", 000) = 47 [pid 5051] creat("./file1", 000) = 48 [pid 5051] creat("./file1", 000) = 49 [pid 5051] creat("./file1", 000) = 50 [pid 5051] creat("./file1", 000) = 51 [pid 5051] creat("./file1", 000) = 52 [pid 5051] creat("./file1", 000) = 53 [pid 5051] creat("./file1", 000) = 54 [pid 5051] creat("./file1", 000) = 55 [pid 5051] creat("./file1", 000) = 56 [pid 5051] creat("./file1", 000) = 57 [pid 5051] creat("./file1", 000) = 58 [pid 5051] creat("./file1", 000) = 59 [pid 5051] creat("./file1", 000) = 60 [pid 5051] creat("./file1", 000) = 61 [pid 5051] creat("./file1", 000) = 62 [pid 5051] creat("./file1", 000) = 63 [pid 5051] creat("./file1", 000) = 64 [pid 5051] creat("./file1", 000) = 65 [pid 5051] creat("./file1", 000) = 66 [pid 5051] creat("./file1", 000) = 67 [pid 5051] creat("./file1", 000) = 68 [pid 5051] futex(0x7f016fef36bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5051] futex(0x7f016fef36b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5049] exit_group(0 [pid 5051] <... futex resumed>) = ? [pid 5050] <... futex resumed>) = ? [pid 5049] <... exit_group resumed>) = ? [pid 5051] +++ exited with 0 +++ [pid 5050] +++ exited with 0 +++ [pid 5049] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5049, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- umount2("./2", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x555557252730 /* 4 entries */, 32768) = 104 umount2("./2/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./2/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./2/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./2/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./2/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x55555725a770 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555725a770 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./2/bus") = 0 umount2("./2/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./2/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./2/binderfs") = 0 getdents64(3, 0x555557252730 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./2") = 0 mkdir("./3", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5052 attached [pid 5052] set_robust_list(0x5555572516a0, 24) = 0 [pid 5052] chdir("./3") = 0 [pid 5052] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5052] setpgid(0, 0) = 0 [pid 5052] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5041] <... clone resumed>, child_tidptr=0x555557251690) = 5052 [pid 5052] write(3, "1000", 4) = 4 [pid 5052] close(3) = 0 [pid 5052] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5052] futex(0x7f016fef36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5052] rt_sigaction(SIGRT_1, {sa_handler=0x7f016fe90eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f016fe82060}, NULL, 8) = 0 [pid 5052] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5052] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f016fe07000 [pid 5052] mprotect(0x7f016fe08000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5052] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5052] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f016fe27990, parent_tid=0x7f016fe27990, exit_signal=0, stack=0x7f016fe07000, stack_size=0x20300, tls=0x7f016fe276c0}./strace-static-x86_64: Process 5053 attached => {parent_tid=[5053]}, 88) = 5053 [pid 5052] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5052] futex(0x7f016fef36a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5052] futex(0x7f016fef36ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5053] rseq(0x7f016fe27fe0, 0x20, 0, 0x53053053) = 0 [pid 5053] set_robust_list(0x7f016fe279a0, 24) = 0 [ 72.289485][ T240] hfsplus: b-tree write err: -5, ino 8 [pid 5053] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5053] memfd_create("syzkaller", 0) = 3 [pid 5053] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0167a07000 [pid 5053] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288) = 524288 [pid 5053] munmap(0x7f0167a07000, 524288) = 0 [pid 5053] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5053] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5053] close(3) = 0 [pid 5053] mkdir("./bus", 0777) = 0 [pid 5053] mount("/dev/loop0", "./bus", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK, "") = 0 [pid 5053] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5053] chdir("./bus") = 0 [pid 5053] ioctl(4, LOOP_CLR_FD) = 0 [pid 5053] close(4) = 0 [pid 5053] futex(0x7f016fef36ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5053] futex(0x7f016fef36a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5052] <... futex resumed>) = 0 [pid 5052] futex(0x7f016fef36a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5053] <... futex resumed>) = 0 [pid 5053] rename("./file1", "./bus") = 0 [pid 5052] futex(0x7f016fef36bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5053] rename("./file1", "./bus" [pid 5052] <... futex resumed>) = 0 [pid 5053] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5052] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5053] rename("./file1", "./bus" [pid 5052] <... mmap resumed>) = 0x7f0167a66000 [pid 5052] mprotect(0x7f0167a67000, 131072, PROT_READ|PROT_WRITE [pid 5053] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5052] <... mprotect resumed>) = 0 [pid 5053] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5053] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5053] rename("./file1", "./bus" [pid 5052] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5052] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0167a86990, parent_tid=0x7f0167a86990, exit_signal=0, stack=0x7f0167a66000, stack_size=0x20300, tls=0x7f0167a866c0} [pid 5053] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5053] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5053] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5053] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5053] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) ./strace-static-x86_64: Process 5054 attached [pid 5053] rename("./file1", "./bus" [pid 5052] <... clone3 resumed> => {parent_tid=[5054]}, 88) = 5054 [pid 5054] rseq(0x7f0167a86fe0, 0x20, 0, 0x53053053 [pid 5052] rt_sigprocmask(SIG_SETMASK, [], [pid 5054] <... rseq resumed>) = 0 [pid 5052] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5054] set_robust_list(0x7f0167a869a0, 24 [pid 5052] futex(0x7f016fef36b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] <... set_robust_list resumed>) = 0 [pid 5052] <... futex resumed>) = 0 [pid 5054] rt_sigprocmask(SIG_SETMASK, [], [pid 5052] futex(0x7f016fef36bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5054] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5054] creat("./file1", 000 [pid 5053] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5054] <... creat resumed>) = 4 [pid 5053] rename("./file1", "./bus" [pid 5054] creat("./file1", 000 [pid 5053] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5053] rename("./file1", "./bus" [pid 5054] <... creat resumed>) = 5 [pid 5053] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5053] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5053] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5053] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5053] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5054] creat("./file1", 000 [pid 5053] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5054] <... creat resumed>) = 6 [pid 5053] rename("./file1", "./bus" [pid 5054] creat("./file1", 000 [pid 5053] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5053] rename("./file1", "./bus" [pid 5054] <... creat resumed>) = 7 [pid 5054] creat("./file1", 000 [pid 5053] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5053] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5054] <... creat resumed>) = 8 [pid 5054] creat("./file1", 000 [pid 5053] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5054] <... creat resumed>) = 9 [ 72.344245][ T5053] syz-executor191[5053]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [ 72.362467][ T5053] loop0: detected capacity change from 0 to 1024 [pid 5053] rename("./file1", "./bus" [pid 5054] creat("./file1", 000 [pid 5053] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5053] rename("./file1", "./bus" [pid 5054] <... creat resumed>) = 10 [pid 5054] creat("./file1", 000 [pid 5053] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5053] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5053] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5053] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5053] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5053] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5053] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5053] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5053] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5053] rename("./file1", "./bus" [pid 5054] <... creat resumed>) = 11 [pid 5053] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5054] creat("./file1", 000 [pid 5053] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5054] <... creat resumed>) = 12 [pid 5053] rename("./file1", "./bus" [pid 5054] creat("./file1", 000 [pid 5053] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5053] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5053] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5053] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5053] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5053] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5053] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5054] <... creat resumed>) = 13 [pid 5053] rename("./file1", "./bus" [pid 5054] creat("./file1", 000 [pid 5053] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5053] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5053] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5053] rename("./file1", "./bus" [pid 5054] <... creat resumed>) = 14 [pid 5054] creat("./file1", 000 [pid 5053] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5053] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5053] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5054] <... creat resumed>) = 15 [pid 5053] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5054] creat("./file1", 000 [pid 5052] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5053] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5053] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5053] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5053] rename("./file1", "./bus" [pid 5054] <... creat resumed>) = 16 [pid 5054] creat("./file1", 000 [pid 5053] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5053] rename("./file1", "./bus" [pid 5054] <... creat resumed>) = 17 [pid 5053] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5053] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5053] rename("./file1", "./bus" [pid 5054] creat("./file1", 000 [pid 5053] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5053] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5053] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5053] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5053] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5053] rename("./file1", "./bus" [pid 5054] <... creat resumed>) = 18 [pid 5053] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5053] rename("./file1", "./bus" [pid 5054] creat("./file1", 000 [pid 5053] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5053] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5053] rename("./file1", "./bus" [pid 5054] <... creat resumed>) = 19 [pid 5054] creat("./file1", 000 [pid 5053] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5053] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5053] futex(0x7f016fef36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5053] futex(0x7f016fef36a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5054] <... creat resumed>) = 20 [pid 5054] creat("./file1", 000) = 21 [pid 5054] creat("./file1", 000) = 22 [pid 5054] creat("./file1", 000) = 23 [pid 5054] creat("./file1", 000) = 24 [pid 5054] creat("./file1", 000) = 25 [pid 5054] creat("./file1", 000) = 26 [pid 5054] creat("./file1", 000) = 27 [pid 5054] creat("./file1", 000) = 28 [pid 5054] creat("./file1", 000) = 29 [pid 5054] creat("./file1", 000) = 30 [pid 5054] creat("./file1", 000) = 31 [pid 5054] creat("./file1", 000) = 32 [pid 5054] creat("./file1", 000) = 33 [pid 5054] creat("./file1", 000) = 34 [pid 5054] creat("./file1", 000) = 35 [pid 5054] creat("./file1", 000) = 36 [pid 5054] creat("./file1", 000) = 37 [pid 5054] creat("./file1", 000) = 38 [pid 5054] creat("./file1", 000) = 39 [pid 5054] creat("./file1", 000) = 40 [pid 5054] creat("./file1", 000) = 41 [pid 5054] creat("./file1", 000) = 42 [pid 5054] creat("./file1", 000) = 43 [pid 5054] creat("./file1", 000) = 44 [pid 5054] creat("./file1", 000) = 45 [pid 5054] creat("./file1", 000) = 46 [pid 5054] creat("./file1", 000) = 47 [pid 5054] creat("./file1", 000) = 48 [pid 5054] creat("./file1", 000) = 49 [pid 5054] creat("./file1", 000) = 50 [pid 5054] creat("./file1", 000) = 51 [pid 5054] creat("./file1", 000) = 52 [pid 5054] creat("./file1", 000) = 53 [pid 5054] creat("./file1", 000) = 54 [pid 5054] creat("./file1", 000) = 55 [pid 5054] creat("./file1", 000) = 56 [pid 5054] creat("./file1", 000) = 57 [pid 5054] creat("./file1", 000) = 58 [pid 5054] creat("./file1", 000) = 59 [pid 5054] creat("./file1", 000) = 60 [pid 5054] creat("./file1", 000) = 61 [pid 5054] creat("./file1", 000) = 62 [pid 5054] creat("./file1", 000) = 63 [pid 5054] creat("./file1", 000) = 64 [pid 5054] creat("./file1", 000) = 65 [pid 5054] creat("./file1", 000) = 66 [pid 5054] creat("./file1", 000) = 67 [pid 5054] creat("./file1", 000) = 68 [pid 5054] futex(0x7f016fef36bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5054] futex(0x7f016fef36b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5052] exit_group(0 [pid 5054] <... futex resumed>) = ? [pid 5053] <... futex resumed>) = ? [pid 5052] <... exit_group resumed>) = ? [pid 5054] +++ exited with 0 +++ [pid 5053] +++ exited with 0 +++ [pid 5052] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5052, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- umount2("./3", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x555557252730 /* 4 entries */, 32768) = 104 umount2("./3/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./3/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./3/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./3/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./3/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x55555725a770 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555725a770 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./3/bus") = 0 umount2("./3/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./3/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./3/binderfs") = 0 getdents64(3, 0x555557252730 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./3") = 0 mkdir("./4", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5055 attached , child_tidptr=0x555557251690) = 5055 [pid 5055] set_robust_list(0x5555572516a0, 24) = 0 [pid 5055] chdir("./4") = 0 [pid 5055] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5055] setpgid(0, 0) = 0 [pid 5055] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5055] write(3, "1000", 4) = 4 [pid 5055] close(3) = 0 [pid 5055] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5055] futex(0x7f016fef36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5055] rt_sigaction(SIGRT_1, {sa_handler=0x7f016fe90eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f016fe82060}, NULL, 8) = 0 [pid 5055] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5055] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f016fe07000 [pid 5055] mprotect(0x7f016fe08000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5055] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5055] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f016fe27990, parent_tid=0x7f016fe27990, exit_signal=0, stack=0x7f016fe07000, stack_size=0x20300, tls=0x7f016fe276c0} => {parent_tid=[5056]}, 88) = 5056 ./strace-static-x86_64: Process 5056 attached [pid 5055] rt_sigprocmask(SIG_SETMASK, [], [pid 5056] rseq(0x7f016fe27fe0, 0x20, 0, 0x53053053) = 0 [pid 5055] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5056] set_robust_list(0x7f016fe279a0, 24) = 0 [pid 5055] futex(0x7f016fef36a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] rt_sigprocmask(SIG_SETMASK, [], [pid 5055] <... futex resumed>) = 0 [pid 5056] <... rt_sigprocmask resumed>NULL, 8) = 0 [ 72.493724][ T240] hfsplus: b-tree write err: -5, ino 8 [pid 5055] futex(0x7f016fef36ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5056] memfd_create("syzkaller", 0) = 3 [pid 5056] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0167a07000 [pid 5056] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288) = 524288 [pid 5056] munmap(0x7f0167a07000, 524288) = 0 [pid 5056] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5056] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5056] close(3) = 0 [pid 5056] mkdir("./bus", 0777) = 0 [pid 5056] mount("/dev/loop0", "./bus", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK, "") = 0 [pid 5056] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5056] chdir("./bus") = 0 [pid 5056] ioctl(4, LOOP_CLR_FD) = 0 [pid 5056] close(4) = 0 [pid 5056] futex(0x7f016fef36ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5056] futex(0x7f016fef36a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5055] <... futex resumed>) = 0 [pid 5055] futex(0x7f016fef36a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] <... futex resumed>) = 0 [pid 5056] rename("./file1", "./bus") = 0 [pid 5056] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5056] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5056] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5056] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5055] <... futex resumed>) = 1 [pid 5055] futex(0x7f016fef36bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] rename("./file1", "./bus" [pid 5055] <... futex resumed>) = 0 [pid 5056] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5055] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0167a66000 [pid 5056] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5055] mprotect(0x7f0167a67000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5056] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5055] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5056] rename("./file1", "./bus" [pid 5055] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5056] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5055] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0167a86990, parent_tid=0x7f0167a86990, exit_signal=0, stack=0x7f0167a66000, stack_size=0x20300, tls=0x7f0167a866c0}./strace-static-x86_64: Process 5057 attached [pid 5056] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5055] <... clone3 resumed> => {parent_tid=[5057]}, 88) = 5057 [pid 5057] rseq(0x7f0167a86fe0, 0x20, 0, 0x53053053 [pid 5055] rt_sigprocmask(SIG_SETMASK, [], [pid 5057] <... rseq resumed>) = 0 [pid 5056] rename("./file1", "./bus" [pid 5055] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5057] set_robust_list(0x7f0167a869a0, 24) = 0 [pid 5056] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5055] futex(0x7f016fef36b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5057] rt_sigprocmask(SIG_SETMASK, [], [pid 5055] <... futex resumed>) = 0 [pid 5057] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5057] creat("./file1", 000 [pid 5056] rename("./file1", "./bus" [pid 5055] futex(0x7f016fef36bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5057] <... creat resumed>) = 4 [pid 5057] creat("./file1", 000 [pid 5056] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5056] rename("./file1", "./bus" [pid 5057] <... creat resumed>) = 5 [pid 5056] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5057] creat("./file1", 000 [pid 5056] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5056] rename("./file1", "./bus" [pid 5057] <... creat resumed>) = 6 [pid 5057] creat("./file1", 000 [pid 5056] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5056] rename("./file1", "./bus" [pid 5057] <... creat resumed>) = 7 [pid 5056] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5057] creat("./file1", 000 [pid 5056] rename("./file1", "./bus" [pid 5057] <... creat resumed>) = 8 [pid 5056] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5057] creat("./file1", 000 [pid 5056] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5056] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5056] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5056] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5056] rename("./file1", "./bus" [pid 5057] <... creat resumed>) = 9 [pid 5057] creat("./file1", 000 [pid 5056] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5056] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5056] rename("./file1", "./bus" [pid 5057] <... creat resumed>) = 10 [pid 5056] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5057] creat("./file1", 000 [pid 5056] rename("./file1", "./bus" [pid 5057] <... creat resumed>) = 11 [pid 5057] creat("./file1", 000 [pid 5056] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5056] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5057] <... creat resumed>) = 12 [pid 5056] rename("./file1", "./bus" [pid 5057] creat("./file1", 000 [pid 5056] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5056] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5056] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5057] <... creat resumed>) = 13 [pid 5057] creat("./file1", 000 [pid 5056] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5056] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5056] rename("./file1", "./bus" [pid 5057] <... creat resumed>) = 14 [pid 5056] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5057] creat("./file1", 000 [pid 5056] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5056] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5056] rename("./file1", "./bus" [pid 5057] <... creat resumed>) = 15 [pid 5057] creat("./file1", 000 [pid 5056] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5056] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5056] rename("./file1", "./bus" [pid 5057] <... creat resumed>) = 16 [pid 5056] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5056] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5057] creat("./file1", 000 [pid 5056] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5056] rename("./file1", "./bus" [pid 5057] <... creat resumed>) = 17 [pid 5056] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5056] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5057] creat("./file1", 000 [pid 5056] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5056] rename("./file1", "./bus" [pid 5057] <... creat resumed>) = 18 [pid 5056] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5056] rename("./file1", "./bus" [pid 5057] creat("./file1", 000 [pid 5056] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5056] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5056] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5056] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [ 72.542497][ T5056] syz-executor191[5056]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [ 72.562335][ T5056] loop0: detected capacity change from 0 to 1024 [pid 5056] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5056] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5056] rename("./file1", "./bus" [pid 5057] <... creat resumed>) = 19 [pid 5057] creat("./file1", 000 [pid 5056] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5056] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5056] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5056] rename("./file1", "./bus" [pid 5057] <... creat resumed>) = 20 [pid 5056] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5057] creat("./file1", 000 [pid 5056] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5056] rename("./file1", "./bus" [pid 5057] <... creat resumed>) = 21 [pid 5056] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5056] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5056] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5057] creat("./file1", 000 [pid 5056] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5057] <... creat resumed>) = 22 [pid 5056] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5056] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5056] rename("./file1", "./bus" [pid 5057] creat("./file1", 000 [pid 5056] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5056] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5056] rename("./file1", "./bus" [pid 5057] <... creat resumed>) = 23 [pid 5056] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5056] rename("./file1", "./bus" [pid 5057] creat("./file1", 000 [pid 5056] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5056] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5056] futex(0x7f016fef36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5056] futex(0x7f016fef36a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5057] <... creat resumed>) = 24 [pid 5057] creat("./file1", 000) = 25 [pid 5057] creat("./file1", 000) = 26 [pid 5057] creat("./file1", 000) = 27 [pid 5057] creat("./file1", 000) = 28 [pid 5057] creat("./file1", 000) = 29 [pid 5057] creat("./file1", 000) = 30 [pid 5057] creat("./file1", 000) = 31 [pid 5057] creat("./file1", 000) = 32 [pid 5057] creat("./file1", 000) = 33 [pid 5057] creat("./file1", 000) = 34 [pid 5057] creat("./file1", 000) = 35 [pid 5057] creat("./file1", 000) = 36 [pid 5057] creat("./file1", 000) = 37 [pid 5057] creat("./file1", 000) = 38 [pid 5057] creat("./file1", 000) = 39 [pid 5057] creat("./file1", 000 [pid 5055] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5057] <... creat resumed>) = 40 [pid 5057] creat("./file1", 000) = 41 [pid 5057] creat("./file1", 000) = 42 [pid 5057] creat("./file1", 000) = 43 [pid 5057] creat("./file1", 000) = 44 [pid 5057] creat("./file1", 000) = 45 [pid 5057] creat("./file1", 000) = 46 [pid 5057] creat("./file1", 000) = 47 [pid 5057] creat("./file1", 000) = 48 [pid 5057] creat("./file1", 000) = 49 [pid 5057] creat("./file1", 000) = 50 [pid 5057] creat("./file1", 000) = 51 [pid 5057] creat("./file1", 000) = 52 [pid 5057] creat("./file1", 000) = 53 [pid 5057] creat("./file1", 000) = 54 [pid 5057] creat("./file1", 000) = 55 [pid 5057] creat("./file1", 000) = 56 [pid 5057] creat("./file1", 000) = 57 [pid 5057] creat("./file1", 000) = 58 [pid 5057] creat("./file1", 000) = 59 [pid 5057] creat("./file1", 000) = 60 [pid 5057] creat("./file1", 000) = 61 [pid 5057] creat("./file1", 000) = 62 [pid 5057] creat("./file1", 000) = 63 [pid 5057] creat("./file1", 000) = 64 [pid 5057] creat("./file1", 000) = 65 [pid 5057] creat("./file1", 000) = 66 [pid 5057] creat("./file1", 000) = 67 [pid 5057] creat("./file1", 000) = 68 [pid 5057] futex(0x7f016fef36bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5057] futex(0x7f016fef36b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5055] exit_group(0) = ? [pid 5057] <... futex resumed>) = ? [pid 5056] <... futex resumed>) = ? [pid 5057] +++ exited with 0 +++ [pid 5056] +++ exited with 0 +++ [pid 5055] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5055, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./4", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x555557252730 /* 4 entries */, 32768) = 104 umount2("./4/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./4/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./4/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./4/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./4/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x55555725a770 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555725a770 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./4/bus") = 0 umount2("./4/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./4/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./4/binderfs") = 0 getdents64(3, 0x555557252730 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./4") = 0 mkdir("./5", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5058 attached , child_tidptr=0x555557251690) = 5058 [pid 5058] set_robust_list(0x5555572516a0, 24) = 0 [pid 5058] chdir("./5") = 0 [pid 5058] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5058] setpgid(0, 0) = 0 [pid 5058] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5058] write(3, "1000", 4) = 4 [pid 5058] close(3) = 0 [pid 5058] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5058] futex(0x7f016fef36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5058] rt_sigaction(SIGRT_1, {sa_handler=0x7f016fe90eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f016fe82060}, NULL, 8) = 0 [pid 5058] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5058] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f016fe07000 [pid 5058] mprotect(0x7f016fe08000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5058] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5058] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f016fe27990, parent_tid=0x7f016fe27990, exit_signal=0, stack=0x7f016fe07000, stack_size=0x20300, tls=0x7f016fe276c0} => {parent_tid=[5059]}, 88) = 5059 [pid 5058] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5058] futex(0x7f016fef36a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5058] futex(0x7f016fef36ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5059 attached [pid 5059] rseq(0x7f016fe27fe0, 0x20, 0, 0x53053053) = 0 [pid 5059] set_robust_list(0x7f016fe279a0, 24) = 0 [pid 5059] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [ 72.682983][ T3119] hfsplus: b-tree write err: -5, ino 8 [pid 5059] memfd_create("syzkaller", 0) = 3 [pid 5059] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0167a07000 [pid 5059] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288) = 524288 [pid 5059] munmap(0x7f0167a07000, 524288) = 0 [pid 5059] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5059] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5059] close(3) = 0 [pid 5059] mkdir("./bus", 0777) = 0 [pid 5059] mount("/dev/loop0", "./bus", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK, "") = 0 [pid 5059] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5059] chdir("./bus") = 0 [pid 5059] ioctl(4, LOOP_CLR_FD) = 0 [pid 5059] close(4) = 0 [pid 5059] futex(0x7f016fef36ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5059] futex(0x7f016fef36a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5058] <... futex resumed>) = 0 [pid 5058] futex(0x7f016fef36a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5059] <... futex resumed>) = 0 [pid 5059] rename("./file1", "./bus") = 0 [pid 5059] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5058] <... futex resumed>) = 1 [pid 5058] futex(0x7f016fef36bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5058] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0167a66000 [pid 5058] mprotect(0x7f0167a67000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5058] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5058] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0167a86990, parent_tid=0x7f0167a86990, exit_signal=0, stack=0x7f0167a66000, stack_size=0x20300, tls=0x7f0167a866c0} [pid 5059] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5058] <... clone3 resumed> => {parent_tid=[5060]}, 88) = 5060 [pid 5058] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5058] futex(0x7f016fef36b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5059] rename("./file1", "./bus" [pid 5058] <... futex resumed>) = 0 [pid 5059] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5058] futex(0x7f016fef36bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5059] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5059] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5059] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5059] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5059] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5059] rename("./file1", "./bus"./strace-static-x86_64: Process 5060 attached [pid 5060] rseq(0x7f0167a86fe0, 0x20, 0, 0x53053053) = 0 [pid 5059] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5060] set_robust_list(0x7f0167a869a0, 24) = 0 [pid 5059] rename("./file1", "./bus" [pid 5060] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5060] creat("./file1", 000 [pid 5059] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5059] rename("./file1", "./bus" [pid 5060] <... creat resumed>) = 4 [pid 5059] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5059] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5059] rename("./file1", "./bus" [pid 5060] creat("./file1", 000 [pid 5059] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5059] rename("./file1", "./bus" [pid 5060] <... creat resumed>) = 5 [pid 5059] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5059] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5059] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5059] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5059] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5059] rename("./file1", "./bus" [pid 5060] creat("./file1", 000 [pid 5059] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5059] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5059] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5059] rename("./file1", "./bus" [pid 5060] <... creat resumed>) = 6 [pid 5059] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5059] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5059] rename("./file1", "./bus" [pid 5060] creat("./file1", 000 [pid 5059] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5059] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5059] rename("./file1", "./bus" [pid 5060] <... creat resumed>) = 7 [pid 5059] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5059] rename("./file1", "./bus" [pid 5060] creat("./file1", 000 [pid 5059] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5059] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5059] rename("./file1", "./bus" [pid 5060] <... creat resumed>) = 8 [pid 5059] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5059] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5059] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5059] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5059] rename("./file1", "./bus" [pid 5060] creat("./file1", 000 [pid 5059] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5059] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5060] <... creat resumed>) = 9 [pid 5059] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5059] rename("./file1", "./bus" [pid 5060] creat("./file1", 000 [pid 5059] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5059] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5059] rename("./file1", "./bus" [pid 5060] <... creat resumed>) = 10 [pid 5059] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5059] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5059] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5059] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5059] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5059] rename("./file1", "./bus" [pid 5060] creat("./file1", 000 [pid 5059] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5059] rename("./file1", "./bus" [pid 5060] <... creat resumed>) = 11 [pid 5059] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5059] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5059] rename("./file1", "./bus" [pid 5060] creat("./file1", 000 [pid 5059] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5059] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5059] rename("./file1", "./bus" [pid 5060] <... creat resumed>) = 12 [pid 5059] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5060] creat("./file1", 000 [pid 5059] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5059] rename("./file1", "./bus" [pid 5060] <... creat resumed>) = 13 [pid 5059] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5060] creat("./file1", 000) = 14 [pid 5059] rename("./file1", "./bus" [pid 5060] creat("./file1", 000) = 15 [pid 5059] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5060] creat("./file1", 000 [pid 5059] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5059] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [ 72.728925][ T5059] syz-executor191[5059]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [ 72.748511][ T5059] loop0: detected capacity change from 0 to 1024 [pid 5059] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5060] <... creat resumed>) = 16 [pid 5059] rename("./file1", "./bus" [pid 5060] creat("./file1", 000 [pid 5059] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5059] rename("./file1", "./bus" [pid 5060] <... creat resumed>) = 17 [pid 5059] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5059] rename("./file1", "./bus" [pid 5060] creat("./file1", 000 [pid 5059] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5059] rename("./file1", "./bus" [pid 5058] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5060] <... creat resumed>) = 18 [pid 5060] creat("./file1", 000) = 19 [pid 5059] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5059] rename("./file1", "./bus" [pid 5060] creat("./file1", 000 [pid 5059] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5060] <... creat resumed>) = 20 [pid 5059] rename("./file1", "./bus" [pid 5060] creat("./file1", 000 [pid 5059] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5060] <... creat resumed>) = 21 [pid 5059] rename("./file1", "./bus" [pid 5060] creat("./file1", 000 [pid 5059] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5059] rename("./file1", "./bus" [pid 5060] <... creat resumed>) = 22 [pid 5060] creat("./file1", 000 [pid 5059] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5059] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5059] rename("./file1", "./bus" [pid 5060] <... creat resumed>) = 23 [pid 5059] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5059] futex(0x7f016fef36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5059] futex(0x7f016fef36a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5060] creat("./file1", 000) = 24 [pid 5060] creat("./file1", 000) = 25 [pid 5060] creat("./file1", 000) = 26 [pid 5060] creat("./file1", 000) = 27 [pid 5060] creat("./file1", 000) = 28 [pid 5060] creat("./file1", 000) = 29 [pid 5060] creat("./file1", 000) = 30 [pid 5060] creat("./file1", 000) = 31 [pid 5060] creat("./file1", 000) = 32 [pid 5060] creat("./file1", 000) = 33 [pid 5060] creat("./file1", 000) = 34 [pid 5060] creat("./file1", 000) = 35 [pid 5060] creat("./file1", 000) = 36 [pid 5060] creat("./file1", 000) = 37 [pid 5060] creat("./file1", 000) = 38 [pid 5060] creat("./file1", 000) = 39 [pid 5060] creat("./file1", 000) = 40 [pid 5060] creat("./file1", 000) = 41 [pid 5060] creat("./file1", 000) = 42 [pid 5060] creat("./file1", 000) = 43 [pid 5060] creat("./file1", 000) = 44 [pid 5060] creat("./file1", 000) = 45 [pid 5060] creat("./file1", 000) = 46 [pid 5060] creat("./file1", 000) = 47 [pid 5060] creat("./file1", 000) = 48 [pid 5060] creat("./file1", 000) = 49 [pid 5060] creat("./file1", 000) = 50 [pid 5060] creat("./file1", 000) = 51 [pid 5060] creat("./file1", 000) = 52 [pid 5060] creat("./file1", 000) = 53 [pid 5060] creat("./file1", 000) = 54 [pid 5060] creat("./file1", 000) = 55 [pid 5060] creat("./file1", 000) = 56 [pid 5060] creat("./file1", 000) = 57 [pid 5060] creat("./file1", 000) = 58 [pid 5060] creat("./file1", 000) = 59 [pid 5060] creat("./file1", 000) = 60 [pid 5060] creat("./file1", 000) = 61 [pid 5060] creat("./file1", 000) = 62 [pid 5060] creat("./file1", 000) = 63 [pid 5060] creat("./file1", 000) = 64 [pid 5060] creat("./file1", 000) = 65 [pid 5060] creat("./file1", 000) = 66 [pid 5060] creat("./file1", 000) = 67 [pid 5060] creat("./file1", 000) = 68 [pid 5060] futex(0x7f016fef36bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5060] futex(0x7f016fef36b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5058] exit_group(0) = ? [pid 5059] <... futex resumed>) = ? [pid 5060] <... futex resumed>) = ? [pid 5060] +++ exited with 0 +++ [pid 5059] +++ exited with 0 +++ [pid 5058] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5058, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./5", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x555557252730 /* 4 entries */, 32768) = 104 umount2("./5/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./5/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./5/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./5/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./5/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x55555725a770 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555725a770 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./5/bus") = 0 umount2("./5/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./5/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./5/binderfs") = 0 getdents64(3, 0x555557252730 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./5") = 0 mkdir("./6", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555557251690) = 5061 ./strace-static-x86_64: Process 5061 attached [pid 5061] set_robust_list(0x5555572516a0, 24) = 0 [pid 5061] chdir("./6") = 0 [pid 5061] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5061] setpgid(0, 0) = 0 [pid 5061] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5061] write(3, "1000", 4) = 4 [pid 5061] close(3) = 0 [pid 5061] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5061] futex(0x7f016fef36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5061] rt_sigaction(SIGRT_1, {sa_handler=0x7f016fe90eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f016fe82060}, NULL, 8) = 0 [pid 5061] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5061] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f016fe07000 [pid 5061] mprotect(0x7f016fe08000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5061] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5061] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f016fe27990, parent_tid=0x7f016fe27990, exit_signal=0, stack=0x7f016fe07000, stack_size=0x20300, tls=0x7f016fe276c0} => {parent_tid=[5062]}, 88) = 5062 [pid 5061] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5061] futex(0x7f016fef36a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5061] futex(0x7f016fef36ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5062 attached [pid 5062] rseq(0x7f016fe27fe0, 0x20, 0, 0x53053053) = 0 [pid 5062] set_robust_list(0x7f016fe279a0, 24) = 0 [pid 5062] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [ 72.881898][ T2447] hfsplus: b-tree write err: -5, ino 8 [pid 5062] memfd_create("syzkaller", 0) = 3 [pid 5062] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0167a07000 [pid 5062] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288) = 524288 [pid 5062] munmap(0x7f0167a07000, 524288) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5062] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5062] close(3) = 0 [pid 5062] mkdir("./bus", 0777) = 0 [pid 5062] mount("/dev/loop0", "./bus", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK, "") = 0 [pid 5062] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5062] chdir("./bus") = 0 [pid 5062] ioctl(4, LOOP_CLR_FD) = 0 [pid 5062] close(4) = 0 [pid 5062] futex(0x7f016fef36ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5062] futex(0x7f016fef36a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5061] <... futex resumed>) = 0 [pid 5061] futex(0x7f016fef36a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5062] <... futex resumed>) = 0 [pid 5062] rename("./file1", "./bus" [pid 5061] futex(0x7f016fef36bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... rename resumed>) = 0 [pid 5061] <... futex resumed>) = 0 [pid 5061] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0167a66000 [pid 5061] mprotect(0x7f0167a67000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5062] rename("./file1", "./bus" [pid 5061] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5062] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5061] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5061] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0167a86990, parent_tid=0x7f0167a86990, exit_signal=0, stack=0x7f0167a66000, stack_size=0x20300, tls=0x7f0167a866c0} [pid 5062] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5062] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5061] <... clone3 resumed> => {parent_tid=[5063]}, 88) = 5063 [pid 5062] rename("./file1", "./bus" [pid 5061] rt_sigprocmask(SIG_SETMASK, [], [pid 5062] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5061] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5061] futex(0x7f016fef36b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] rename("./file1", "./bus" [pid 5061] <... futex resumed>) = 0 [pid 5062] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5061] futex(0x7f016fef36bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5062] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5062] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5062] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5062] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5062] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5062] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5062] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5062] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5062] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5062] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5062] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5062] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5062] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5062] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5062] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5062] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5062] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5062] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5062] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5062] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5062] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5062] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5062] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5062] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5062] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5062] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5062] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5062] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5062] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5062] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5062] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5062] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5062] rename("./file1", "./bus"./strace-static-x86_64: Process 5063 attached ) = -1 ENOENT (No such file or directory) [pid 5063] rseq(0x7f0167a86fe0, 0x20, 0, 0x53053053) = 0 [pid 5062] rename("./file1", "./bus" [pid 5063] set_robust_list(0x7f0167a869a0, 24) = 0 [pid 5063] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5063] creat("./file1", 000 [pid 5062] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5062] rename("./file1", "./bus" [pid 5063] <... creat resumed>) = 4 [pid 5063] creat("./file1", 000 [pid 5062] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5062] rename("./file1", "./bus" [pid 5063] <... creat resumed>) = 5 [pid 5062] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5062] rename("./file1", "./bus" [pid 5063] creat("./file1", 000 [pid 5062] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5062] rename("./file1", "./bus" [pid 5063] <... creat resumed>) = 6 [pid 5062] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5063] creat("./file1", 000 [pid 5062] rename("./file1", "./bus" [pid 5063] <... creat resumed>) = 7 [pid 5063] creat("./file1", 000 [pid 5062] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5063] <... creat resumed>) = 8 [pid 5063] creat("./file1", 000 [pid 5062] rename("./file1", "./bus" [pid 5063] <... creat resumed>) = 9 [pid 5062] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5062] rename("./file1", "./bus" [pid 5063] creat("./file1", 000 [pid 5062] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5062] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5063] <... creat resumed>) = 10 [pid 5063] creat("./file1", 000 [pid 5062] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5063] <... creat resumed>) = 11 [ 72.924030][ T5062] syz-executor191[5062]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [ 72.942452][ T5062] loop0: detected capacity change from 0 to 1024 [pid 5063] creat("./file1", 000) = 12 [pid 5062] rename("./file1", "./bus" [pid 5063] creat("./file1", 000 [pid 5062] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5062] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5062] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5062] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5062] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5062] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5063] <... creat resumed>) = 13 [pid 5063] creat("./file1", 000 [pid 5062] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5063] <... creat resumed>) = 14 [pid 5062] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5062] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5062] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5063] creat("./file1", 000 [pid 5062] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5062] rename("./file1", "./bus" [pid 5063] <... creat resumed>) = 15 [pid 5062] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5063] creat("./file1", 000 [pid 5062] rename("./file1", "./bus" [pid 5063] <... creat resumed>) = 16 [pid 5063] creat("./file1", 000) = 17 [pid 5062] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5062] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5062] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5062] futex(0x7f016fef36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5062] futex(0x7f016fef36a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5063] creat("./file1", 000) = 18 [pid 5063] creat("./file1", 000) = 19 [pid 5063] creat("./file1", 000) = 20 [pid 5063] creat("./file1", 000) = 21 [pid 5063] creat("./file1", 000) = 22 [pid 5063] creat("./file1", 000) = 23 [pid 5063] creat("./file1", 000) = 24 [pid 5063] creat("./file1", 000 [pid 5061] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5063] <... creat resumed>) = 25 [pid 5063] creat("./file1", 000) = 26 [pid 5063] creat("./file1", 000) = 27 [pid 5063] creat("./file1", 000) = 28 [pid 5063] creat("./file1", 000) = 29 [pid 5063] creat("./file1", 000) = 30 [pid 5063] creat("./file1", 000) = 31 [pid 5063] creat("./file1", 000) = 32 [pid 5063] creat("./file1", 000) = 33 [pid 5063] creat("./file1", 000) = 34 [pid 5063] creat("./file1", 000) = 35 [pid 5063] creat("./file1", 000) = 36 [pid 5063] creat("./file1", 000) = 37 [pid 5063] creat("./file1", 000) = 38 [pid 5063] creat("./file1", 000) = 39 [pid 5063] creat("./file1", 000) = 40 [pid 5063] creat("./file1", 000) = 41 [pid 5063] creat("./file1", 000) = 42 [pid 5063] creat("./file1", 000) = 43 [pid 5063] creat("./file1", 000) = 44 [pid 5063] creat("./file1", 000) = 45 [pid 5063] creat("./file1", 000) = 46 [pid 5063] creat("./file1", 000) = 47 [pid 5063] creat("./file1", 000) = 48 [pid 5063] creat("./file1", 000) = 49 [pid 5063] creat("./file1", 000) = 50 [pid 5063] creat("./file1", 000) = 51 [pid 5063] creat("./file1", 000) = 52 [pid 5063] creat("./file1", 000) = 53 [pid 5063] creat("./file1", 000) = 54 [pid 5063] creat("./file1", 000) = 55 [pid 5063] creat("./file1", 000) = 56 [pid 5063] creat("./file1", 000) = 57 [pid 5063] creat("./file1", 000) = 58 [pid 5063] creat("./file1", 000) = 59 [pid 5063] creat("./file1", 000) = 60 [pid 5063] creat("./file1", 000) = 61 [pid 5063] creat("./file1", 000) = 62 [pid 5063] creat("./file1", 000) = 63 [pid 5063] creat("./file1", 000) = 64 [pid 5063] creat("./file1", 000) = 65 [pid 5063] creat("./file1", 000) = 66 [pid 5063] creat("./file1", 000) = 67 [pid 5063] creat("./file1", 000) = 68 [pid 5063] futex(0x7f016fef36bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5063] futex(0x7f016fef36b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5061] exit_group(0 [pid 5063] <... futex resumed>) = ? [pid 5062] <... futex resumed>) = ? [pid 5061] <... exit_group resumed>) = ? [pid 5063] +++ exited with 0 +++ [pid 5062] +++ exited with 0 +++ [pid 5061] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5061, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- umount2("./6", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x555557252730 /* 4 entries */, 32768) = 104 umount2("./6/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./6/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./6/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./6/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./6/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x55555725a770 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555725a770 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./6/bus") = 0 umount2("./6/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./6/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./6/binderfs") = 0 getdents64(3, 0x555557252730 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./6") = 0 mkdir("./7", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555557251690) = 5064 ./strace-static-x86_64: Process 5064 attached [pid 5064] set_robust_list(0x5555572516a0, 24) = 0 [pid 5064] chdir("./7") = 0 [pid 5064] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5064] setpgid(0, 0) = 0 [pid 5064] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5064] write(3, "1000", 4) = 4 [pid 5064] close(3) = 0 [pid 5064] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5064] futex(0x7f016fef36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5064] rt_sigaction(SIGRT_1, {sa_handler=0x7f016fe90eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f016fe82060}, NULL, 8) = 0 [pid 5064] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5064] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f016fe07000 [pid 5064] mprotect(0x7f016fe08000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5064] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5064] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f016fe27990, parent_tid=0x7f016fe27990, exit_signal=0, stack=0x7f016fe07000, stack_size=0x20300, tls=0x7f016fe276c0}./strace-static-x86_64: Process 5065 attached => {parent_tid=[5065]}, 88) = 5065 [pid 5065] rseq(0x7f016fe27fe0, 0x20, 0, 0x53053053) = 0 [pid 5065] set_robust_list(0x7f016fe279a0, 24) = 0 [pid 5064] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5064] futex(0x7f016fef36a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5064] futex(0x7f016fef36ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [ 73.058959][ T3119] hfsplus: b-tree write err: -5, ino 8 [pid 5065] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5065] memfd_create("syzkaller", 0) = 3 [pid 5065] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0167a07000 [pid 5065] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288) = 524288 [pid 5065] munmap(0x7f0167a07000, 524288) = 0 [pid 5065] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5065] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5065] close(3) = 0 [pid 5065] mkdir("./bus", 0777) = 0 [pid 5065] mount("/dev/loop0", "./bus", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK, "") = 0 [pid 5065] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5065] chdir("./bus") = 0 [pid 5065] ioctl(4, LOOP_CLR_FD) = 0 [pid 5065] close(4) = 0 [pid 5065] futex(0x7f016fef36ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] <... futex resumed>) = 0 [pid 5065] <... futex resumed>) = 1 [pid 5064] futex(0x7f016fef36a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] rename("./file1", "./bus" [pid 5064] <... futex resumed>) = 0 [pid 5065] <... rename resumed>) = 0 [pid 5064] futex(0x7f016fef36bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5064] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0167a66000 [pid 5064] mprotect(0x7f0167a67000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5064] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5064] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0167a86990, parent_tid=0x7f0167a86990, exit_signal=0, stack=0x7f0167a66000, stack_size=0x20300, tls=0x7f0167a866c0} [pid 5065] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5065] rename("./file1", "./bus"./strace-static-x86_64: Process 5066 attached [pid 5066] rseq(0x7f0167a86fe0, 0x20, 0, 0x53053053 [pid 5065] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5066] <... rseq resumed>) = 0 [pid 5066] set_robust_list(0x7f0167a869a0, 24 [pid 5065] rename("./file1", "./bus" [pid 5064] <... clone3 resumed> => {parent_tid=[5066]}, 88) = 5066 [pid 5066] <... set_robust_list resumed>) = 0 [pid 5065] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5064] rt_sigprocmask(SIG_SETMASK, [], [pid 5066] rt_sigprocmask(SIG_SETMASK, [], [pid 5065] rename("./file1", "./bus" [pid 5064] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5066] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5065] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5064] futex(0x7f016fef36b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5066] creat("./file1", 000 [pid 5065] rename("./file1", "./bus" [pid 5064] futex(0x7f016fef36bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] <... creat resumed>) = 4 [pid 5065] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5065] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5065] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5065] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5065] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5066] creat("./file1", 000 [pid 5065] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5065] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5065] rename("./file1", "./bus" [pid 5066] <... creat resumed>) = 5 [pid 5065] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5065] rename("./file1", "./bus" [pid 5066] creat("./file1", 000 [pid 5065] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5065] rename("./file1", "./bus" [pid 5066] <... creat resumed>) = 6 [pid 5065] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5065] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5065] rename("./file1", "./bus" [pid 5066] creat("./file1", 000 [pid 5065] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5065] rename("./file1", "./bus" [pid 5066] <... creat resumed>) = 7 [pid 5066] creat("./file1", 000 [pid 5065] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5065] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5065] rename("./file1", "./bus" [pid 5066] <... creat resumed>) = 8 [pid 5065] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5065] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5065] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5065] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5065] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5065] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5066] creat("./file1", 000 [pid 5065] rename("./file1", "./bus" [pid 5066] <... creat resumed>) = 9 [pid 5065] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5066] creat("./file1", 000 [pid 5065] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5065] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5065] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5065] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5065] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5065] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5065] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5065] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5065] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5065] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5065] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5065] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5065] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5065] rename("./file1", "./bus" [pid 5066] <... creat resumed>) = 10 [pid 5065] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5065] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5065] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5065] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5065] rename("./file1", "./bus" [pid 5066] creat("./file1", 000 [pid 5065] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5065] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5065] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5065] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5065] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5065] rename("./file1", "./bus" [pid 5066] <... creat resumed>) = 11 [pid 5066] creat("./file1", 000 [pid 5065] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5065] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5065] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5065] rename("./file1", "./bus" [pid 5066] <... creat resumed>) = 12 [pid 5065] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5065] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [ 73.111315][ T5065] syz-executor191[5065]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [ 73.131288][ T5065] loop0: detected capacity change from 0 to 1024 [pid 5065] rename("./file1", "./bus" [pid 5066] creat("./file1", 000 [pid 5065] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5065] rename("./file1", "./bus" [pid 5066] <... creat resumed>) = 13 [pid 5065] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5065] rename("./file1", "./bus" [pid 5066] creat("./file1", 000 [pid 5065] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5065] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5065] rename("./file1", "./bus" [pid 5066] <... creat resumed>) = 14 [pid 5065] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5065] rename("./file1", "./bus" [pid 5066] creat("./file1", 000 [pid 5065] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5065] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5065] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5065] rename("./file1", "./bus" [pid 5066] <... creat resumed>) = 15 [pid 5065] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5065] rename("./file1", "./bus" [pid 5066] creat("./file1", 000 [pid 5065] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5065] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5065] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5065] futex(0x7f016fef36ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] <... creat resumed>) = 16 [pid 5065] <... futex resumed>) = 0 [pid 5065] futex(0x7f016fef36a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5066] creat("./file1", 000) = 17 [pid 5066] creat("./file1", 000) = 18 [pid 5066] creat("./file1", 000) = 19 [pid 5066] creat("./file1", 000) = 20 [pid 5066] creat("./file1", 000) = 21 [pid 5066] creat("./file1", 000) = 22 [pid 5066] creat("./file1", 000) = 23 [pid 5064] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5066] creat("./file1", 000) = 24 [pid 5066] creat("./file1", 000) = 25 [pid 5066] creat("./file1", 000) = 26 [pid 5066] creat("./file1", 000) = 27 [pid 5066] creat("./file1", 000) = 28 [pid 5066] creat("./file1", 000) = 29 [pid 5066] creat("./file1", 000) = 30 [pid 5066] creat("./file1", 000) = 31 [pid 5066] creat("./file1", 000) = 32 [pid 5066] creat("./file1", 000) = 33 [pid 5066] creat("./file1", 000) = 34 [pid 5066] creat("./file1", 000) = 35 [pid 5066] creat("./file1", 000) = 36 [pid 5066] creat("./file1", 000) = 37 [pid 5066] creat("./file1", 000) = 38 [pid 5066] creat("./file1", 000) = 39 [pid 5066] creat("./file1", 000) = 40 [pid 5066] creat("./file1", 000) = 41 [pid 5066] creat("./file1", 000) = 42 [pid 5066] creat("./file1", 000) = 43 [pid 5066] creat("./file1", 000) = 44 [pid 5066] creat("./file1", 000) = 45 [pid 5066] creat("./file1", 000) = 46 [pid 5066] creat("./file1", 000) = 47 [pid 5066] creat("./file1", 000) = 48 [pid 5066] creat("./file1", 000) = 49 [pid 5066] creat("./file1", 000) = 50 [pid 5066] creat("./file1", 000) = 51 [pid 5066] creat("./file1", 000) = 52 [pid 5066] creat("./file1", 000) = 53 [pid 5066] creat("./file1", 000) = 54 [pid 5066] creat("./file1", 000) = 55 [pid 5066] creat("./file1", 000) = 56 [pid 5066] creat("./file1", 000) = 57 [pid 5066] creat("./file1", 000) = 58 [pid 5066] creat("./file1", 000) = 59 [pid 5066] creat("./file1", 000) = 60 [pid 5066] creat("./file1", 000) = 61 [pid 5066] creat("./file1", 000) = 62 [pid 5066] creat("./file1", 000) = 63 [pid 5066] creat("./file1", 000) = 64 [pid 5066] creat("./file1", 000) = 65 [pid 5066] creat("./file1", 000) = 66 [pid 5066] creat("./file1", 000) = 67 [pid 5066] creat("./file1", 000) = 68 [pid 5066] futex(0x7f016fef36bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] exit_group(0 [pid 5066] <... futex resumed>) = ? [pid 5064] <... exit_group resumed>) = ? [pid 5065] <... futex resumed>) = ? [pid 5066] +++ exited with 0 +++ [pid 5065] +++ exited with 0 +++ [pid 5064] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5064, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- umount2("./7", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x555557252730 /* 4 entries */, 32768) = 104 umount2("./7/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./7/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./7/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./7/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./7/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x55555725a770 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555725a770 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./7/bus") = 0 umount2("./7/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./7/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./7/binderfs") = 0 getdents64(3, 0x555557252730 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./7") = 0 mkdir("./8", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555557251690) = 5067 ./strace-static-x86_64: Process 5067 attached [pid 5067] set_robust_list(0x5555572516a0, 24) = 0 [pid 5067] chdir("./8") = 0 [pid 5067] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5067] setpgid(0, 0) = 0 [pid 5067] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5067] write(3, "1000", 4) = 4 [pid 5067] close(3) = 0 [pid 5067] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5067] futex(0x7f016fef36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5067] rt_sigaction(SIGRT_1, {sa_handler=0x7f016fe90eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f016fe82060}, NULL, 8) = 0 [pid 5067] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5067] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f016fe07000 [pid 5067] mprotect(0x7f016fe08000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5067] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5067] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f016fe27990, parent_tid=0x7f016fe27990, exit_signal=0, stack=0x7f016fe07000, stack_size=0x20300, tls=0x7f016fe276c0} => {parent_tid=[5068]}, 88) = 5068 [pid 5067] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5067] futex(0x7f016fef36a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5067] futex(0x7f016fef36ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5068 attached [pid 5068] rseq(0x7f016fe27fe0, 0x20, 0, 0x53053053) = 0 [pid 5068] set_robust_list(0x7f016fe279a0, 24) = 0 [pid 5068] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [ 73.244829][ T240] hfsplus: b-tree write err: -5, ino 8 [pid 5068] memfd_create("syzkaller", 0) = 3 [pid 5068] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0167a07000 [pid 5068] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288) = 524288 [pid 5068] munmap(0x7f0167a07000, 524288) = 0 [pid 5068] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5068] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5068] close(3) = 0 [pid 5068] mkdir("./bus", 0777) = 0 [pid 5068] mount("/dev/loop0", "./bus", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK, "") = 0 [pid 5068] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5068] chdir("./bus") = 0 [pid 5068] ioctl(4, LOOP_CLR_FD) = 0 [pid 5068] close(4) = 0 [pid 5068] futex(0x7f016fef36ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... futex resumed>) = 0 [pid 5067] futex(0x7f016fef36a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5067] futex(0x7f016fef36bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5067] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0167a66000 [pid 5067] mprotect(0x7f0167a67000, 131072, PROT_READ|PROT_WRITE [pid 5068] <... futex resumed>) = 1 [pid 5067] <... mprotect resumed>) = 0 [pid 5068] rename("./file1", "./bus" [pid 5067] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5068] <... rename resumed>) = 0 [pid 5067] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5067] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0167a86990, parent_tid=0x7f0167a86990, exit_signal=0, stack=0x7f0167a66000, stack_size=0x20300, tls=0x7f0167a866c0}./strace-static-x86_64: Process 5069 attached => {parent_tid=[5069]}, 88) = 5069 [pid 5067] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5067] futex(0x7f016fef36b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5069] rseq(0x7f0167a86fe0, 0x20, 0, 0x53053053 [pid 5067] futex(0x7f016fef36bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] <... rseq resumed>) = 0 [pid 5069] set_robust_list(0x7f0167a869a0, 24 [pid 5068] rename("./file1", "./bus" [pid 5069] <... set_robust_list resumed>) = 0 [pid 5069] rt_sigprocmask(SIG_SETMASK, [], [pid 5068] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5069] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5068] rename("./file1", "./bus" [pid 5069] creat("./file1", 000 [pid 5068] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5068] rename("./file1", "./bus" [pid 5069] <... creat resumed>) = 4 [pid 5069] creat("./file1", 000 [pid 5068] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5068] rename("./file1", "./bus" [pid 5069] <... creat resumed>) = 5 [pid 5068] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5068] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5068] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5068] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5068] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5069] creat("./file1", 000 [pid 5068] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5068] rename("./file1", "./bus" [pid 5069] <... creat resumed>) = 6 [pid 5069] creat("./file1", 000 [pid 5068] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5068] rename("./file1", "./bus" [pid 5069] <... creat resumed>) = 7 [pid 5068] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5068] rename("./file1", "./bus" [pid 5069] creat("./file1", 000 [pid 5068] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5068] rename("./file1", "./bus" [pid 5069] <... creat resumed>) = 8 [pid 5068] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5068] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5068] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5068] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5068] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5068] rename("./file1", "./bus" [pid 5069] creat("./file1", 000 [pid 5068] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5068] rename("./file1", "./bus" [pid 5069] <... creat resumed>) = 9 [pid 5068] <... rename resumed>) = -1 ENOENT (No such file or directory) [ 73.292935][ T5068] syz-executor191[5068]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [ 73.310919][ T5068] loop0: detected capacity change from 0 to 1024 [pid 5068] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5068] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5068] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5068] rename("./file1", "./bus" [pid 5069] creat("./file1", 000 [pid 5068] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5068] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5069] <... creat resumed>) = 10 [pid 5068] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5068] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5068] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5068] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5068] rename("./file1", "./bus" [pid 5069] creat("./file1", 000 [pid 5068] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5068] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5068] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5068] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5068] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5068] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5068] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5068] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5068] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5068] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5068] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5068] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5068] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5068] rename("./file1", "./bus" [pid 5069] <... creat resumed>) = 11 [pid 5068] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5068] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5069] creat("./file1", 000 [pid 5068] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5068] rename("./file1", "./bus" [pid 5069] <... creat resumed>) = 12 [pid 5068] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5068] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5068] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5068] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5068] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5068] rename("./file1", "./bus" [pid 5069] creat("./file1", 000 [pid 5068] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5068] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5068] rename("./file1", "./bus" [pid 5069] <... creat resumed>) = 13 [pid 5068] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5069] creat("./file1", 000 [pid 5068] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5069] <... creat resumed>) = 14 [pid 5069] creat("./file1", 000 [pid 5068] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5068] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5068] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5068] rename("./file1", "./bus" [pid 5069] <... creat resumed>) = 15 [pid 5068] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5068] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5068] rename("./file1", "./bus" [pid 5069] creat("./file1", 000 [pid 5068] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5068] rename("./file1", "./bus" [pid 5069] <... creat resumed>) = 16 [pid 5068] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5068] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5068] rename("./file1", "./bus" [pid 5069] creat("./file1", 000 [pid 5068] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5068] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5068] rename("./file1", "./bus" [pid 5069] <... creat resumed>) = 17 [pid 5068] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5068] futex(0x7f016fef36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5068] futex(0x7f016fef36a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5069] creat("./file1", 000) = 18 [pid 5069] creat("./file1", 000) = 19 [pid 5069] creat("./file1", 000) = 20 [pid 5069] creat("./file1", 000) = 21 [pid 5069] creat("./file1", 000) = 22 [pid 5069] creat("./file1", 000) = 23 [pid 5069] creat("./file1", 000) = 24 [pid 5069] creat("./file1", 000) = 25 [pid 5069] creat("./file1", 000) = 26 [pid 5069] creat("./file1", 000) = 27 [pid 5069] creat("./file1", 000) = 28 [pid 5069] creat("./file1", 000 [pid 5067] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5069] <... creat resumed>) = 29 [pid 5069] creat("./file1", 000) = 30 [pid 5069] creat("./file1", 000) = 31 [pid 5069] creat("./file1", 000) = 32 [pid 5069] creat("./file1", 000) = 33 [pid 5069] creat("./file1", 000) = 34 [pid 5069] creat("./file1", 000) = 35 [pid 5069] creat("./file1", 000) = 36 [pid 5069] creat("./file1", 000) = 37 [pid 5069] creat("./file1", 000) = 38 [pid 5069] creat("./file1", 000) = 39 [pid 5069] creat("./file1", 000) = 40 [pid 5069] creat("./file1", 000) = 41 [pid 5069] creat("./file1", 000) = 42 [pid 5069] creat("./file1", 000) = 43 [pid 5069] creat("./file1", 000) = 44 [pid 5069] creat("./file1", 000) = 45 [pid 5069] creat("./file1", 000) = 46 [pid 5069] creat("./file1", 000) = 47 [pid 5069] creat("./file1", 000) = 48 [pid 5069] creat("./file1", 000) = 49 [pid 5069] creat("./file1", 000) = 50 [pid 5069] creat("./file1", 000) = 51 [pid 5069] creat("./file1", 000) = 52 [pid 5069] creat("./file1", 000) = 53 [pid 5069] creat("./file1", 000) = 54 [pid 5069] creat("./file1", 000) = 55 [pid 5069] creat("./file1", 000) = 56 [pid 5069] creat("./file1", 000) = 57 [pid 5069] creat("./file1", 000) = 58 [pid 5069] creat("./file1", 000) = 59 [pid 5069] creat("./file1", 000) = 60 [pid 5069] creat("./file1", 000) = 61 [pid 5069] creat("./file1", 000) = 62 [pid 5069] creat("./file1", 000) = 63 [pid 5069] creat("./file1", 000) = 64 [pid 5069] creat("./file1", 000) = 65 [pid 5069] creat("./file1", 000) = 66 [pid 5069] creat("./file1", 000) = 67 [pid 5069] creat("./file1", 000) = 68 [pid 5069] futex(0x7f016fef36bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5069] futex(0x7f016fef36b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5067] exit_group(0 [pid 5069] <... futex resumed>) = ? [pid 5068] <... futex resumed>) = ? [pid 5067] <... exit_group resumed>) = ? [pid 5069] +++ exited with 0 +++ [pid 5068] +++ exited with 0 +++ [pid 5067] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5067, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- umount2("./8", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x555557252730 /* 4 entries */, 32768) = 104 umount2("./8/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./8/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./8/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./8/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./8/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x55555725a770 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555725a770 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./8/bus") = 0 umount2("./8/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./8/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./8/binderfs") = 0 getdents64(3, 0x555557252730 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./8") = 0 mkdir("./9", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555557251690) = 5070 ./strace-static-x86_64: Process 5070 attached [pid 5070] set_robust_list(0x5555572516a0, 24) = 0 [pid 5070] chdir("./9") = 0 [pid 5070] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5070] setpgid(0, 0) = 0 [pid 5070] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5070] write(3, "1000", 4) = 4 [pid 5070] close(3) = 0 [pid 5070] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5070] futex(0x7f016fef36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5070] rt_sigaction(SIGRT_1, {sa_handler=0x7f016fe90eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f016fe82060}, NULL, 8) = 0 [pid 5070] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5070] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f016fe07000 [pid 5070] mprotect(0x7f016fe08000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5070] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5070] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f016fe27990, parent_tid=0x7f016fe27990, exit_signal=0, stack=0x7f016fe07000, stack_size=0x20300, tls=0x7f016fe276c0}./strace-static-x86_64: Process 5071 attached [pid 5071] rseq(0x7f016fe27fe0, 0x20, 0, 0x53053053 [pid 5070] <... clone3 resumed> => {parent_tid=[5071]}, 88) = 5071 [pid 5071] <... rseq resumed>) = 0 [pid 5071] set_robust_list(0x7f016fe279a0, 24 [pid 5070] rt_sigprocmask(SIG_SETMASK, [], [pid 5071] <... set_robust_list resumed>) = 0 [pid 5071] rt_sigprocmask(SIG_SETMASK, [], [pid 5070] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5071] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5071] memfd_create("syzkaller", 0 [ 73.429458][ T240] hfsplus: b-tree write err: -5, ino 8 [pid 5070] futex(0x7f016fef36a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5071] <... memfd_create resumed>) = 3 [pid 5071] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5070] futex(0x7f016fef36ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5071] <... mmap resumed>) = 0x7f0167a07000 [pid 5071] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288) = 524288 [pid 5071] munmap(0x7f0167a07000, 524288) = 0 [pid 5071] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5071] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5071] close(3) = 0 [pid 5071] mkdir("./bus", 0777) = 0 [pid 5071] mount("/dev/loop0", "./bus", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK, "") = 0 [pid 5071] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5071] chdir("./bus") = 0 [pid 5071] ioctl(4, LOOP_CLR_FD) = 0 [pid 5071] close(4) = 0 [pid 5071] futex(0x7f016fef36ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5070] <... futex resumed>) = 0 [pid 5071] futex(0x7f016fef36a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5070] futex(0x7f016fef36a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5070] futex(0x7f016fef36bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] <... futex resumed>) = 0 [pid 5071] rename("./file1", "./bus") = 0 [pid 5071] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5070] <... futex resumed>) = 0 [pid 5071] rename("./file1", "./bus" [pid 5070] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5071] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5070] <... mmap resumed>) = 0x7f0167a66000 [pid 5071] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5071] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5071] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5071] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5071] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5071] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5071] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5071] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5070] mprotect(0x7f0167a67000, 131072, PROT_READ|PROT_WRITE [pid 5071] rename("./file1", "./bus" [pid 5070] <... mprotect resumed>) = 0 [pid 5071] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5070] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5071] rename("./file1", "./bus" [pid 5070] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5071] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5071] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5071] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5071] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5071] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5071] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5071] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5071] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5071] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5071] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5071] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5071] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5071] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5071] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5071] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5071] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5070] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0167a86990, parent_tid=0x7f0167a86990, exit_signal=0, stack=0x7f0167a66000, stack_size=0x20300, tls=0x7f0167a866c0} [pid 5071] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5071] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5071] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5071] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5071] rename("./file1", "./bus"./strace-static-x86_64: Process 5072 attached ) = -1 ENOENT (No such file or directory) [pid 5072] rseq(0x7f0167a86fe0, 0x20, 0, 0x53053053 [pid 5070] <... clone3 resumed> => {parent_tid=[5072]}, 88) = 5072 [pid 5072] <... rseq resumed>) = 0 [pid 5072] set_robust_list(0x7f0167a869a0, 24 [pid 5071] rename("./file1", "./bus" [pid 5070] rt_sigprocmask(SIG_SETMASK, [], [pid 5072] <... set_robust_list resumed>) = 0 [pid 5071] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5070] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5071] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5070] futex(0x7f016fef36b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5071] rename("./file1", "./bus" [pid 5070] <... futex resumed>) = 0 [pid 5072] creat("./file1", 000 [pid 5071] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5070] futex(0x7f016fef36bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5071] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5071] rename("./file1", "./bus" [pid 5072] <... creat resumed>) = 4 [pid 5072] creat("./file1", 000 [pid 5071] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5071] rename("./file1", "./bus" [pid 5072] <... creat resumed>) = 5 [pid 5071] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5071] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5071] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5071] rename("./file1", "./bus" [pid 5072] creat("./file1", 000 [pid 5071] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5071] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5071] rename("./file1", "./bus" [pid 5072] <... creat resumed>) = 6 [pid 5071] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5071] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5071] rename("./file1", "./bus" [pid 5072] creat("./file1", 000 [pid 5071] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5071] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5071] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5071] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5071] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5071] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5071] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5071] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5071] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5071] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5071] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5072] <... creat resumed>) = 7 [pid 5071] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5072] creat("./file1", 000 [pid 5071] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5071] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5072] <... creat resumed>) = 8 [pid 5071] rename("./file1", "./bus" [pid 5072] creat("./file1", 000) = 9 [pid 5071] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5072] creat("./file1", 000 [pid 5071] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5072] <... creat resumed>) = 10 [pid 5071] rename("./file1", "./bus" [pid 5072] creat("./file1", 000 [pid 5071] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5071] rename("./file1", "./bus" [pid 5072] <... creat resumed>) = 11 [pid 5071] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5072] creat("./file1", 000 [pid 5071] rename("./file1", "./bus" [pid 5072] <... creat resumed>) = 12 [pid 5071] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5071] rename("./file1", "./bus" [pid 5072] creat("./file1", 000 [pid 5071] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5071] futex(0x7f016fef36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5071] futex(0x7f016fef36a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5072] <... creat resumed>) = 13 [pid 5072] creat("./file1", 000) = 14 [pid 5072] creat("./file1", 000) = 15 [pid 5072] creat("./file1", 000) = 16 [pid 5072] creat("./file1", 000) = 17 [pid 5072] creat("./file1", 000) = 18 [pid 5072] creat("./file1", 000) = 19 [ 73.472431][ T5071] syz-executor191[5071]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [ 73.492582][ T5071] loop0: detected capacity change from 0 to 1024 [pid 5072] creat("./file1", 000) = 20 [pid 5072] creat("./file1", 000) = 21 [pid 5072] creat("./file1", 000) = 22 [pid 5072] creat("./file1", 000) = 23 [pid 5072] creat("./file1", 000) = 24 [pid 5072] creat("./file1", 000) = 25 [pid 5072] creat("./file1", 000) = 26 [pid 5072] creat("./file1", 000) = 27 [pid 5072] creat("./file1", 000) = 28 [pid 5072] creat("./file1", 000) = 29 [pid 5072] creat("./file1", 000) = 30 [pid 5072] creat("./file1", 000) = 31 [pid 5072] creat("./file1", 000) = 32 [pid 5072] creat("./file1", 000) = 33 [pid 5072] creat("./file1", 000) = 34 [pid 5072] creat("./file1", 000) = 35 [pid 5072] creat("./file1", 000) = 36 [pid 5072] creat("./file1", 000) = 37 [pid 5072] creat("./file1", 000) = 38 [pid 5072] creat("./file1", 000) = 39 [pid 5072] creat("./file1", 000) = 40 [pid 5072] creat("./file1", 000) = 41 [pid 5072] creat("./file1", 000) = 42 [pid 5072] creat("./file1", 000 [pid 5070] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5072] <... creat resumed>) = 43 [pid 5072] creat("./file1", 000) = 44 [pid 5072] creat("./file1", 000) = 45 [pid 5072] creat("./file1", 000) = 46 [pid 5072] creat("./file1", 000) = 47 [pid 5072] creat("./file1", 000) = 48 [pid 5072] creat("./file1", 000) = 49 [pid 5072] creat("./file1", 000) = 50 [pid 5072] creat("./file1", 000) = 51 [pid 5072] creat("./file1", 000) = 52 [pid 5072] creat("./file1", 000) = 53 [pid 5072] creat("./file1", 000) = 54 [pid 5072] creat("./file1", 000) = 55 [pid 5072] creat("./file1", 000) = 56 [pid 5072] creat("./file1", 000) = 57 [pid 5072] creat("./file1", 000) = 58 [pid 5072] creat("./file1", 000) = 59 [pid 5072] creat("./file1", 000) = 60 [pid 5072] creat("./file1", 000) = 61 [pid 5072] creat("./file1", 000) = 62 [pid 5072] creat("./file1", 000) = 63 [pid 5072] creat("./file1", 000) = 64 [pid 5072] creat("./file1", 000) = 65 [pid 5072] creat("./file1", 000) = 66 [pid 5072] creat("./file1", 000) = 67 [pid 5072] creat("./file1", 000) = 68 [pid 5072] futex(0x7f016fef36bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5072] futex(0x7f016fef36b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5070] exit_group(0 [pid 5072] <... futex resumed>) = ? [pid 5071] <... futex resumed>) = ? [pid 5070] <... exit_group resumed>) = ? [pid 5072] +++ exited with 0 +++ [pid 5071] +++ exited with 0 +++ [pid 5070] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5070, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- umount2("./9", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x555557252730 /* 4 entries */, 32768) = 104 umount2("./9/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./9/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./9/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./9/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./9/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x55555725a770 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555725a770 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./9/bus") = 0 umount2("./9/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./9/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./9/binderfs") = 0 getdents64(3, 0x555557252730 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./9") = 0 mkdir("./10", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555557251690) = 5073 ./strace-static-x86_64: Process 5073 attached [pid 5073] set_robust_list(0x5555572516a0, 24) = 0 [pid 5073] chdir("./10") = 0 [pid 5073] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5073] setpgid(0, 0) = 0 [pid 5073] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5073] write(3, "1000", 4) = 4 [pid 5073] close(3) = 0 [pid 5073] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5073] futex(0x7f016fef36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5073] rt_sigaction(SIGRT_1, {sa_handler=0x7f016fe90eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f016fe82060}, NULL, 8) = 0 [pid 5073] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5073] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f016fe07000 [pid 5073] mprotect(0x7f016fe08000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5073] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5073] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f016fe27990, parent_tid=0x7f016fe27990, exit_signal=0, stack=0x7f016fe07000, stack_size=0x20300, tls=0x7f016fe276c0} => {parent_tid=[5074]}, 88) = 5074 ./strace-static-x86_64: Process 5074 attached [pid 5074] rseq(0x7f016fe27fe0, 0x20, 0, 0x53053053) = 0 [pid 5074] set_robust_list(0x7f016fe279a0, 24) = 0 [pid 5074] rt_sigprocmask(SIG_SETMASK, [], [pid 5073] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5073] futex(0x7f016fef36a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5073] <... futex resumed>) = 0 [pid 5073] futex(0x7f016fef36ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5074] memfd_create("syzkaller", 0) = 3 [pid 5074] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0167a07000 [pid 5074] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288) = 524288 [pid 5074] munmap(0x7f0167a07000, 524288) = 0 [pid 5074] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 73.604274][ T240] hfsplus: b-tree write err: -5, ino 8 [pid 5074] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5074] close(3) = 0 [pid 5074] mkdir("./bus", 0777) = 0 [pid 5074] mount("/dev/loop0", "./bus", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK, "") = 0 [pid 5074] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5074] chdir("./bus") = 0 [pid 5074] ioctl(4, LOOP_CLR_FD) = 0 [pid 5074] close(4) = 0 [pid 5074] futex(0x7f016fef36ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5073] <... futex resumed>) = 0 [pid 5073] futex(0x7f016fef36a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5074] <... futex resumed>) = 1 [pid 5073] futex(0x7f016fef36bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] rename("./file1", "./bus" [pid 5073] <... futex resumed>) = 0 [pid 5073] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5074] <... rename resumed>) = 0 [pid 5073] <... mmap resumed>) = 0x7f0167a66000 [pid 5073] mprotect(0x7f0167a67000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5073] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5073] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0167a86990, parent_tid=0x7f0167a86990, exit_signal=0, stack=0x7f0167a66000, stack_size=0x20300, tls=0x7f0167a866c0} [pid 5074] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5074] rename("./file1", "./bus" [pid 5073] <... clone3 resumed> => {parent_tid=[5075]}, 88) = 5075 [pid 5074] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5073] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5073] futex(0x7f016fef36b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] rename("./file1", "./bus" [pid 5073] <... futex resumed>) = 0 [pid 5073] futex(0x7f016fef36bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5074] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5074] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5074] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5074] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5074] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5074] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5074] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5074] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5074] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5074] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5074] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5074] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5074] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5074] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5074] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5074] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5074] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5074] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5074] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5074] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5074] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5074] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5074] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5074] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5074] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5074] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5074] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5074] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5074] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5074] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5074] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5074] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5074] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5074] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5074] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5074] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5074] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5074] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5074] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5074] rename("./file1", "./bus"./strace-static-x86_64: Process 5075 attached [pid 5075] rseq(0x7f0167a86fe0, 0x20, 0, 0x53053053) = 0 [pid 5075] set_robust_list(0x7f0167a869a0, 24 [pid 5074] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5074] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5074] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5074] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5075] <... set_robust_list resumed>) = 0 [pid 5075] rt_sigprocmask(SIG_SETMASK, [], [pid 5074] rename("./file1", "./bus" [pid 5075] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5075] creat("./file1", 000 [pid 5074] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5074] rename("./file1", "./bus" [pid 5075] <... creat resumed>) = 4 [pid 5075] creat("./file1", 000 [pid 5074] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5074] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5074] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5074] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5074] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5074] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5074] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5074] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5075] <... creat resumed>) = 5 [pid 5074] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5075] creat("./file1", 000 [pid 5074] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5074] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5074] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5074] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5074] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5074] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5074] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5074] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5075] <... creat resumed>) = 6 [pid 5074] rename("./file1", "./bus" [pid 5075] creat("./file1", 000 [pid 5074] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5074] futex(0x7f016fef36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5074] futex(0x7f016fef36a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5075] <... creat resumed>) = 7 [pid 5075] creat("./file1", 000) = 8 [pid 5075] creat("./file1", 000) = 9 [pid 5075] creat("./file1", 000) = 10 [pid 5075] creat("./file1", 000) = 11 [pid 5075] creat("./file1", 000) = 12 [pid 5075] creat("./file1", 000) = 13 [pid 5075] creat("./file1", 000) = 14 [pid 5075] creat("./file1", 000) = 15 [pid 5075] creat("./file1", 000) = 16 [pid 5075] creat("./file1", 000) = 17 [pid 5075] creat("./file1", 000) = 18 [pid 5075] creat("./file1", 000) = 19 [ 73.662626][ T5074] loop0: detected capacity change from 0 to 1024 [pid 5075] creat("./file1", 000) = 20 [pid 5075] creat("./file1", 000) = 21 [pid 5075] creat("./file1", 000) = 22 [pid 5075] creat("./file1", 000) = 23 [pid 5075] creat("./file1", 000) = 24 [pid 5075] creat("./file1", 000) = 25 [pid 5075] creat("./file1", 000) = 26 [pid 5075] creat("./file1", 000) = 27 [pid 5075] creat("./file1", 000) = 28 [pid 5075] creat("./file1", 000 [pid 5073] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5075] <... creat resumed>) = 29 [pid 5075] creat("./file1", 000) = 30 [pid 5075] creat("./file1", 000) = 31 [pid 5075] creat("./file1", 000) = 32 [pid 5075] creat("./file1", 000) = 33 [pid 5075] creat("./file1", 000) = 34 [pid 5075] creat("./file1", 000) = 35 [pid 5075] creat("./file1", 000) = 36 [pid 5075] creat("./file1", 000) = 37 [pid 5075] creat("./file1", 000) = 38 [pid 5075] creat("./file1", 000) = 39 [pid 5075] creat("./file1", 000) = 40 [pid 5075] creat("./file1", 000) = 41 [pid 5075] creat("./file1", 000) = 42 [pid 5075] creat("./file1", 000) = 43 [pid 5075] creat("./file1", 000) = 44 [pid 5075] creat("./file1", 000) = 45 [pid 5075] creat("./file1", 000) = 46 [pid 5075] creat("./file1", 000) = 47 [pid 5075] creat("./file1", 000) = 48 [pid 5075] creat("./file1", 000) = 49 [pid 5075] creat("./file1", 000) = 50 [pid 5075] creat("./file1", 000) = 51 [pid 5075] creat("./file1", 000) = 52 [pid 5075] creat("./file1", 000) = 53 [pid 5075] creat("./file1", 000) = 54 [pid 5075] creat("./file1", 000) = 55 [pid 5075] creat("./file1", 000) = 56 [pid 5075] creat("./file1", 000) = 57 [pid 5075] creat("./file1", 000) = 58 [pid 5075] creat("./file1", 000) = 59 [pid 5075] creat("./file1", 000) = 60 [pid 5075] creat("./file1", 000) = 61 [pid 5075] creat("./file1", 000) = 62 [pid 5075] creat("./file1", 000) = 63 [pid 5075] creat("./file1", 000) = 64 [pid 5075] creat("./file1", 000) = 65 [pid 5075] creat("./file1", 000) = 66 [pid 5075] creat("./file1", 000) = 67 [pid 5075] creat("./file1", 000) = 68 [pid 5075] futex(0x7f016fef36bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5075] futex(0x7f016fef36b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5073] exit_group(0) = ? [pid 5075] <... futex resumed>) = ? [pid 5074] <... futex resumed>) = ? [pid 5074] +++ exited with 0 +++ [pid 5075] +++ exited with 0 +++ [pid 5073] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5073, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- umount2("./10", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x555557252730 /* 4 entries */, 32768) = 104 umount2("./10/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./10/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./10/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./10/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./10/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x55555725a770 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555725a770 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./10/bus") = 0 umount2("./10/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./10/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./10/binderfs") = 0 getdents64(3, 0x555557252730 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./10") = 0 mkdir("./11", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555557251690) = 5076 ./strace-static-x86_64: Process 5076 attached [pid 5076] set_robust_list(0x5555572516a0, 24) = 0 [pid 5076] chdir("./11") = 0 [pid 5076] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5076] setpgid(0, 0) = 0 [pid 5076] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5076] write(3, "1000", 4) = 4 [pid 5076] close(3) = 0 [pid 5076] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5076] futex(0x7f016fef36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5076] rt_sigaction(SIGRT_1, {sa_handler=0x7f016fe90eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f016fe82060}, NULL, 8) = 0 [pid 5076] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5076] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f016fe07000 [pid 5076] mprotect(0x7f016fe08000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5076] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5076] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f016fe27990, parent_tid=0x7f016fe27990, exit_signal=0, stack=0x7f016fe07000, stack_size=0x20300, tls=0x7f016fe276c0} => {parent_tid=[5077]}, 88) = 5077 [pid 5076] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5076] futex(0x7f016fef36a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5076] futex(0x7f016fef36ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5077 attached [pid 5077] rseq(0x7f016fe27fe0, 0x20, 0, 0x53053053) = 0 [pid 5077] set_robust_list(0x7f016fe279a0, 24) = 0 [pid 5077] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5077] memfd_create("syzkaller", 0) = 3 [pid 5077] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0167a07000 [pid 5077] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288) = 524288 [pid 5077] munmap(0x7f0167a07000, 524288) = 0 [pid 5077] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 73.777301][ T3119] hfsplus: b-tree write err: -5, ino 8 [pid 5077] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5077] close(3) = 0 [pid 5077] mkdir("./bus", 0777) = 0 [pid 5077] mount("/dev/loop0", "./bus", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK, "") = 0 [pid 5077] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5077] chdir("./bus") = 0 [pid 5077] ioctl(4, LOOP_CLR_FD) = 0 [pid 5077] close(4) = 0 [pid 5077] futex(0x7f016fef36ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5077] futex(0x7f016fef36a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5076] <... futex resumed>) = 0 [pid 5076] futex(0x7f016fef36a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] <... futex resumed>) = 0 [pid 5077] rename("./file1", "./bus") = 0 [pid 5077] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5077] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5077] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5077] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5077] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5077] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5077] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5077] rename("./file1", "./bus" [pid 5076] <... futex resumed>) = 1 [pid 5077] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5076] futex(0x7f016fef36bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] rename("./file1", "./bus" [pid 5076] <... futex resumed>) = 0 [pid 5077] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5076] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0167a66000 [pid 5077] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5077] rename("./file1", "./bus" [pid 5076] mprotect(0x7f0167a67000, 131072, PROT_READ|PROT_WRITE [pid 5077] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5076] <... mprotect resumed>) = 0 [pid 5077] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5076] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5077] rename("./file1", "./bus" [pid 5076] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0167a86990, parent_tid=0x7f0167a86990, exit_signal=0, stack=0x7f0167a66000, stack_size=0x20300, tls=0x7f0167a866c0} [pid 5077] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5077] rename("./file1", "./bus"./strace-static-x86_64: Process 5078 attached ) = -1 ENOENT (No such file or directory) [pid 5076] <... clone3 resumed> => {parent_tid=[5078]}, 88) = 5078 [pid 5077] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5076] rt_sigprocmask(SIG_SETMASK, [], [pid 5077] rename("./file1", "./bus" [pid 5076] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5077] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5076] futex(0x7f016fef36b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5077] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5076] futex(0x7f016fef36bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5078] rseq(0x7f0167a86fe0, 0x20, 0, 0x53053053 [pid 5077] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5077] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5078] <... rseq resumed>) = 0 [pid 5077] rename("./file1", "./bus" [pid 5078] set_robust_list(0x7f0167a869a0, 24 [pid 5077] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5078] <... set_robust_list resumed>) = 0 [pid 5077] rename("./file1", "./bus" [pid 5078] rt_sigprocmask(SIG_SETMASK, [], [pid 5077] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5077] rename("./file1", "./bus" [pid 5078] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5077] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5078] creat("./file1", 000 [pid 5077] rename("./file1", "./bus" [pid 5078] <... creat resumed>) = 4 [pid 5078] creat("./file1", 000 [pid 5077] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5077] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5077] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5077] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5077] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5077] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5077] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5077] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5077] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5077] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5077] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5077] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5077] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5077] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5077] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5077] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5077] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5077] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5077] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5077] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5077] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5077] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5077] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5077] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5077] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5077] rename("./file1", "./bus" [pid 5078] <... creat resumed>) = 5 [pid 5077] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5077] rename("./file1", "./bus" [pid 5078] creat("./file1", 000 [pid 5077] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5077] rename("./file1", "./bus" [pid 5078] <... creat resumed>) = 6 [pid 5077] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5077] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5077] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5078] creat("./file1", 000 [pid 5077] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5077] rename("./file1", "./bus" [pid 5078] <... creat resumed>) = 7 [pid 5077] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5078] creat("./file1", 000 [pid 5077] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5078] <... creat resumed>) = 8 [pid 5077] rename("./file1", "./bus" [pid 5078] creat("./file1", 000 [pid 5077] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5077] rename("./file1", "./bus" [pid 5078] <... creat resumed>) = 9 [pid 5077] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5077] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5077] rename("./file1", "./bus" [pid 5078] creat("./file1", 000 [pid 5077] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5077] rename("./file1", "./bus" [pid 5078] <... creat resumed>) = 10 [pid 5077] <... rename resumed>) = -1 ENOENT (No such file or directory) [ 73.836735][ T5077] loop0: detected capacity change from 0 to 1024 [pid 5078] creat("./file1", 000) = 11 [pid 5078] creat("./file1", 000 [pid 5077] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5078] <... creat resumed>) = 12 [pid 5077] rename("./file1", "./bus" [pid 5078] creat("./file1", 000 [pid 5077] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5078] <... creat resumed>) = 13 [pid 5077] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5078] creat("./file1", 000 [pid 5077] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5078] <... creat resumed>) = 14 [pid 5077] futex(0x7f016fef36ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] creat("./file1", 000) = 15 [pid 5077] <... futex resumed>) = 0 [pid 5077] futex(0x7f016fef36a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5078] creat("./file1", 000) = 16 [pid 5076] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5078] creat("./file1", 000) = 17 [pid 5078] creat("./file1", 000) = 18 [pid 5078] creat("./file1", 000) = 19 [pid 5078] creat("./file1", 000) = 20 [pid 5078] creat("./file1", 000) = 21 [pid 5078] creat("./file1", 000) = 22 [pid 5078] creat("./file1", 000) = 23 [pid 5078] creat("./file1", 000) = 24 [pid 5078] creat("./file1", 000) = 25 [pid 5078] creat("./file1", 000) = 26 [pid 5078] creat("./file1", 000) = 27 [pid 5078] creat("./file1", 000) = 28 [pid 5078] creat("./file1", 000) = 29 [pid 5078] creat("./file1", 000) = 30 [pid 5078] creat("./file1", 000) = 31 [pid 5078] creat("./file1", 000) = 32 [pid 5078] creat("./file1", 000) = 33 [pid 5078] creat("./file1", 000) = 34 [pid 5078] creat("./file1", 000) = 35 [pid 5078] creat("./file1", 000) = 36 [pid 5078] creat("./file1", 000) = 37 [pid 5078] creat("./file1", 000) = 38 [pid 5078] creat("./file1", 000) = 39 [pid 5078] creat("./file1", 000) = 40 [pid 5078] creat("./file1", 000) = 41 [pid 5078] creat("./file1", 000) = 42 [pid 5078] creat("./file1", 000) = 43 [pid 5078] creat("./file1", 000) = 44 [pid 5078] creat("./file1", 000) = 45 [pid 5078] creat("./file1", 000) = 46 [pid 5078] creat("./file1", 000) = 47 [pid 5078] creat("./file1", 000) = 48 [pid 5078] creat("./file1", 000) = 49 [pid 5078] creat("./file1", 000) = 50 [pid 5078] creat("./file1", 000) = 51 [pid 5078] creat("./file1", 000) = 52 [pid 5078] creat("./file1", 000) = 53 [pid 5078] creat("./file1", 000) = 54 [pid 5078] creat("./file1", 000) = 55 [pid 5078] creat("./file1", 000) = 56 [pid 5078] creat("./file1", 000) = 57 [pid 5078] creat("./file1", 000) = 58 [pid 5078] creat("./file1", 000) = 59 [pid 5078] creat("./file1", 000) = 60 [pid 5078] creat("./file1", 000) = 61 [pid 5078] creat("./file1", 000) = 62 [pid 5078] creat("./file1", 000) = 63 [pid 5078] creat("./file1", 000) = 64 [pid 5078] creat("./file1", 000) = 65 [pid 5078] creat("./file1", 000) = 66 [pid 5078] creat("./file1", 000) = 67 [pid 5078] creat("./file1", 000) = 68 [pid 5078] futex(0x7f016fef36bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5078] futex(0x7f016fef36b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5076] exit_group(0) = ? [pid 5078] <... futex resumed>) = ? [pid 5077] <... futex resumed>) = ? [pid 5078] +++ exited with 0 +++ [pid 5077] +++ exited with 0 +++ [pid 5076] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5076, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./11", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x555557252730 /* 4 entries */, 32768) = 104 umount2("./11/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./11/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./11/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./11/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./11/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x55555725a770 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555725a770 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./11/bus") = 0 umount2("./11/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./11/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./11/binderfs") = 0 getdents64(3, 0x555557252730 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./11") = 0 mkdir("./12", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555557251690) = 5079 ./strace-static-x86_64: Process 5079 attached [pid 5079] set_robust_list(0x5555572516a0, 24) = 0 [pid 5079] chdir("./12") = 0 [pid 5079] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5079] setpgid(0, 0) = 0 [pid 5079] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5079] write(3, "1000", 4) = 4 [pid 5079] close(3) = 0 [pid 5079] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5079] futex(0x7f016fef36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5079] rt_sigaction(SIGRT_1, {sa_handler=0x7f016fe90eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f016fe82060}, NULL, 8) = 0 [pid 5079] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5079] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f016fe07000 [pid 5079] mprotect(0x7f016fe08000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5079] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5079] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f016fe27990, parent_tid=0x7f016fe27990, exit_signal=0, stack=0x7f016fe07000, stack_size=0x20300, tls=0x7f016fe276c0} => {parent_tid=[5080]}, 88) = 5080 [pid 5079] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5079] futex(0x7f016fef36a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5079] futex(0x7f016fef36ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5080 attached [pid 5080] rseq(0x7f016fe27fe0, 0x20, 0, 0x53053053) = 0 [pid 5080] set_robust_list(0x7f016fe279a0, 24) = 0 [pid 5080] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5080] memfd_create("syzkaller", 0) = 3 [pid 5080] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0167a07000 [pid 5080] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288) = 524288 [pid 5080] munmap(0x7f0167a07000, 524288) = 0 [pid 5080] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 73.970437][ T2447] hfsplus: b-tree write err: -5, ino 8 [pid 5080] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5080] close(3) = 0 [pid 5080] mkdir("./bus", 0777) = 0 [pid 5080] mount("/dev/loop0", "./bus", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK, "") = 0 [pid 5080] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5080] chdir("./bus") = 0 [pid 5080] ioctl(4, LOOP_CLR_FD) = 0 [pid 5080] close(4) = 0 [pid 5080] futex(0x7f016fef36ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5079] <... futex resumed>) = 0 [pid 5080] futex(0x7f016fef36a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5079] futex(0x7f016fef36a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5079] <... futex resumed>) = 0 [pid 5079] futex(0x7f016fef36bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5080] rename("./file1", "./bus" [pid 5079] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0167a66000 [pid 5079] mprotect(0x7f0167a67000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5079] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5079] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0167a86990, parent_tid=0x7f0167a86990, exit_signal=0, stack=0x7f0167a66000, stack_size=0x20300, tls=0x7f0167a866c0}./strace-static-x86_64: Process 5081 attached => {parent_tid=[5081]}, 88) = 5081 [pid 5081] rseq(0x7f0167a86fe0, 0x20, 0, 0x53053053) = 0 [pid 5079] rt_sigprocmask(SIG_SETMASK, [], [pid 5081] set_robust_list(0x7f0167a869a0, 24 [pid 5079] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5081] <... set_robust_list resumed>) = 0 [pid 5079] futex(0x7f016fef36b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] rt_sigprocmask(SIG_SETMASK, [], [pid 5079] <... futex resumed>) = 0 [pid 5081] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5079] futex(0x7f016fef36bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5081] creat("./file1", 000 [pid 5080] <... rename resumed>) = 0 [pid 5080] rename("./file1", "./bus" [pid 5081] <... creat resumed>) = 4 [pid 5081] creat("./file1", 000 [pid 5080] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5081] <... creat resumed>) = 5 [pid 5080] rename("./file1", "./bus" [pid 5081] creat("./file1", 000) = 6 [pid 5080] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5080] rename("./file1", "./bus" [pid 5081] creat("./file1", 000) = 7 [pid 5081] creat("./file1", 000 [pid 5080] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5080] rename("./file1", "./bus" [pid 5081] <... creat resumed>) = 8 [pid 5080] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5080] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5081] creat("./file1", 000) = 9 [pid 5080] rename("./file1", "./bus" [pid 5081] creat("./file1", 000 [pid 5080] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5080] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5080] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5080] rename("./file1", "./bus" [pid 5081] <... creat resumed>) = 10 [pid 5080] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5080] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5081] creat("./file1", 000 [pid 5080] rename("./file1", "./bus" [pid 5081] <... creat resumed>) = 11 [pid 5081] creat("./file1", 000 [pid 5080] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5080] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5080] rename("./file1", "./bus" [pid 5081] <... creat resumed>) = 12 [pid 5080] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5080] rename("./file1", "./bus" [pid 5081] creat("./file1", 000 [pid 5080] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5081] <... creat resumed>) = 13 [pid 5080] rename("./file1", "./bus" [pid 5081] creat("./file1", 000 [pid 5080] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5080] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5080] rename("./file1", "./bus" [pid 5081] <... creat resumed>) = 14 [pid 5080] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5081] creat("./file1", 000 [pid 5080] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5080] rename("./file1", "./bus" [pid 5081] <... creat resumed>) = 15 [pid 5080] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5080] rename("./file1", "./bus" [pid 5081] creat("./file1", 000 [pid 5080] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5080] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5080] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5080] rename("./file1", "./bus" [pid 5081] <... creat resumed>) = 16 [pid 5081] creat("./file1", 000 [pid 5080] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5080] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5080] rename("./file1", "./bus" [pid 5081] <... creat resumed>) = 17 [pid 5080] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5080] rename("./file1", "./bus" [pid 5081] creat("./file1", 000 [pid 5080] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5080] rename("./file1", "./bus" [pid 5081] <... creat resumed>) = 18 [pid 5080] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5080] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5081] creat("./file1", 000 [pid 5080] rename("./file1", "./bus" [pid 5081] <... creat resumed>) = 19 [pid 5080] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5081] creat("./file1", 000 [pid 5080] rename("./file1", "./bus" [pid 5081] <... creat resumed>) = 20 [pid 5080] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5081] creat("./file1", 000 [pid 5080] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5080] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5080] rename("./file1", "./bus" [pid 5081] <... creat resumed>) = 21 [pid 5081] creat("./file1", 000 [pid 5080] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5080] rename("./file1", "./bus" [pid 5081] <... creat resumed>) = 22 [pid 5080] <... rename resumed>) = -1 ENOENT (No such file or directory) [ 74.030167][ T5080] loop0: detected capacity change from 0 to 1024 [pid 5080] rename("./file1", "./bus" [pid 5081] creat("./file1", 000 [pid 5080] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5080] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5080] rename("./file1", "./bus" [pid 5081] <... creat resumed>) = 23 [pid 5080] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5080] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5080] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5080] rename("./file1", "./bus" [pid 5081] creat("./file1", 000 [pid 5080] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5080] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5080] rename("./file1", "./bus" [pid 5081] <... creat resumed>) = 24 [pid 5080] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5081] creat("./file1", 000 [pid 5080] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5080] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5080] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5080] rename("./file1", "./bus" [pid 5081] <... creat resumed>) = 25 [pid 5080] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5079] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5080] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5080] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5080] rename("./file1", "./bus" [pid 5081] creat("./file1", 000 [pid 5080] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5080] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5080] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5080] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5080] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5080] rename("./file1", "./bus" [pid 5081] <... creat resumed>) = 26 [pid 5081] creat("./file1", 000 [pid 5080] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5080] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5080] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5080] rename("./file1", "./bus" [pid 5081] <... creat resumed>) = 27 [pid 5081] creat("./file1", 000 [pid 5080] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5080] rename("./file1", "./bus" [pid 5081] <... creat resumed>) = 28 [pid 5080] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5080] rename("./file1", "./bus" [pid 5081] creat("./file1", 000 [pid 5080] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5080] rename("./file1", "./bus" [pid 5081] <... creat resumed>) = 29 [pid 5080] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5080] rename("./file1", "./bus" [pid 5081] creat("./file1", 000 [pid 5080] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5080] rename("./file1", "./bus" [pid 5081] <... creat resumed>) = 30 [pid 5080] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5080] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5080] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5080] futex(0x7f016fef36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5080] futex(0x7f016fef36a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5081] creat("./file1", 000) = 31 [pid 5081] creat("./file1", 000) = 32 [pid 5081] creat("./file1", 000) = 33 [pid 5081] creat("./file1", 000) = 34 [pid 5081] creat("./file1", 000) = 35 [pid 5081] creat("./file1", 000) = 36 [pid 5081] creat("./file1", 000) = 37 [pid 5081] creat("./file1", 000) = 38 [pid 5081] creat("./file1", 000) = 39 [pid 5081] creat("./file1", 000) = 40 [pid 5081] creat("./file1", 000) = 41 [pid 5081] creat("./file1", 000) = 42 [pid 5081] creat("./file1", 000) = 43 [pid 5081] creat("./file1", 000) = 44 [pid 5081] creat("./file1", 000) = 45 [pid 5081] creat("./file1", 000) = 46 [pid 5081] creat("./file1", 000) = 47 [pid 5081] creat("./file1", 000) = 48 [pid 5081] creat("./file1", 000) = 49 [pid 5081] creat("./file1", 000) = 50 [pid 5081] creat("./file1", 000) = 51 [pid 5081] creat("./file1", 000) = 52 [pid 5081] creat("./file1", 000) = 53 [pid 5081] creat("./file1", 000) = 54 [pid 5081] creat("./file1", 000) = 55 [pid 5081] creat("./file1", 000) = 56 [pid 5081] creat("./file1", 000) = 57 [pid 5081] creat("./file1", 000) = 58 [pid 5081] creat("./file1", 000) = 59 [pid 5081] creat("./file1", 000) = 60 [pid 5081] creat("./file1", 000) = 61 [pid 5081] creat("./file1", 000) = 62 [pid 5081] creat("./file1", 000) = 63 [pid 5081] creat("./file1", 000) = 64 [pid 5081] creat("./file1", 000) = 65 [pid 5081] creat("./file1", 000) = 66 [pid 5081] creat("./file1", 000) = 67 [pid 5081] creat("./file1", 000) = 68 [pid 5081] futex(0x7f016fef36bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5081] futex(0x7f016fef36b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5079] exit_group(0 [pid 5081] <... futex resumed>) = ? [pid 5080] <... futex resumed>) = ? [pid 5079] <... exit_group resumed>) = ? [pid 5081] +++ exited with 0 +++ [pid 5080] +++ exited with 0 +++ [pid 5079] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5079, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- umount2("./12", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x555557252730 /* 4 entries */, 32768) = 104 umount2("./12/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./12/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./12/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./12/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./12/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x55555725a770 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555725a770 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./12/bus") = 0 umount2("./12/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./12/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./12/binderfs") = 0 getdents64(3, 0x555557252730 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./12") = 0 mkdir("./13", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5082 attached [pid 5082] set_robust_list(0x5555572516a0, 24) = 0 [pid 5082] chdir("./13") = 0 [pid 5082] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5082] setpgid(0, 0) = 0 [pid 5082] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5082] write(3, "1000", 4) = 4 [pid 5082] close(3 [pid 5041] <... clone resumed>, child_tidptr=0x555557251690) = 5082 [pid 5082] <... close resumed>) = 0 [pid 5082] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5082] futex(0x7f016fef36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5082] rt_sigaction(SIGRT_1, {sa_handler=0x7f016fe90eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f016fe82060}, NULL, 8) = 0 [pid 5082] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5082] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f016fe07000 [pid 5082] mprotect(0x7f016fe08000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5082] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5082] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f016fe27990, parent_tid=0x7f016fe27990, exit_signal=0, stack=0x7f016fe07000, stack_size=0x20300, tls=0x7f016fe276c0} => {parent_tid=[5083]}, 88) = 5083 [pid 5082] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5082] futex(0x7f016fef36a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5082] futex(0x7f016fef36ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5083 attached [pid 5083] rseq(0x7f016fe27fe0, 0x20, 0, 0x53053053) = 0 [pid 5083] set_robust_list(0x7f016fe279a0, 24) = 0 [pid 5083] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5083] memfd_create("syzkaller", 0) = 3 [pid 5083] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0167a07000 [pid 5083] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288) = 524288 [ 74.153644][ T2447] hfsplus: b-tree write err: -5, ino 8 [pid 5083] munmap(0x7f0167a07000, 524288) = 0 [pid 5083] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5083] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5083] close(3) = 0 [pid 5083] mkdir("./bus", 0777) = 0 [pid 5083] mount("/dev/loop0", "./bus", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK, "") = 0 [pid 5083] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5083] chdir("./bus") = 0 [pid 5083] ioctl(4, LOOP_CLR_FD) = 0 [pid 5083] close(4) = 0 [pid 5083] futex(0x7f016fef36ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5083] futex(0x7f016fef36a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5082] <... futex resumed>) = 0 [pid 5082] futex(0x7f016fef36a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] <... futex resumed>) = 0 [pid 5082] <... futex resumed>) = 1 [pid 5083] rename("./file1", "./bus" [pid 5082] futex(0x7f016fef36bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] <... rename resumed>) = 0 [pid 5083] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5083] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5083] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5083] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5083] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5083] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5083] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5083] rename("./file1", "./bus" [pid 5082] <... futex resumed>) = 0 [pid 5083] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5083] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5083] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5083] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5083] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5083] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5083] rename("./file1", "./bus" [pid 5082] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5083] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5083] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5083] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5083] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5083] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5083] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5082] <... mmap resumed>) = 0x7f0167a66000 [pid 5083] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5083] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5083] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5083] rename("./file1", "./bus" [pid 5082] mprotect(0x7f0167a67000, 131072, PROT_READ|PROT_WRITE [pid 5083] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5082] <... mprotect resumed>) = 0 [pid 5083] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5082] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5083] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5082] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5083] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5082] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0167a86990, parent_tid=0x7f0167a86990, exit_signal=0, stack=0x7f0167a66000, stack_size=0x20300, tls=0x7f0167a866c0} [pid 5083] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5083] rename("./file1", "./bus"./strace-static-x86_64: Process 5084 attached ) = -1 ENOENT (No such file or directory) [pid 5084] rseq(0x7f0167a86fe0, 0x20, 0, 0x53053053 [pid 5083] rename("./file1", "./bus" [pid 5084] <... rseq resumed>) = 0 [pid 5083] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5084] set_robust_list(0x7f0167a869a0, 24 [pid 5083] rename("./file1", "./bus" [pid 5084] <... set_robust_list resumed>) = 0 [pid 5083] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5082] <... clone3 resumed> => {parent_tid=[5084]}, 88) = 5084 [pid 5083] rename("./file1", "./bus" [pid 5082] rt_sigprocmask(SIG_SETMASK, [], [pid 5084] rt_sigprocmask(SIG_SETMASK, [], [pid 5083] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5082] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5084] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5082] futex(0x7f016fef36b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5084] creat("./file1", 000 [pid 5083] rename("./file1", "./bus" [pid 5082] <... futex resumed>) = 0 [pid 5082] futex(0x7f016fef36bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5083] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5083] rename("./file1", "./bus" [pid 5084] <... creat resumed>) = 4 [pid 5084] creat("./file1", 000) = 5 [pid 5083] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5084] creat("./file1", 000 [pid 5083] rename("./file1", "./bus" [pid 5084] <... creat resumed>) = 6 [pid 5083] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5084] creat("./file1", 000 [pid 5083] rename("./file1", "./bus" [pid 5084] <... creat resumed>) = 7 [pid 5083] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5083] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5083] rename("./file1", "./bus" [pid 5084] creat("./file1", 000) = 8 [pid 5083] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5084] creat("./file1", 000 [pid 5083] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5084] <... creat resumed>) = 9 [pid 5083] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5083] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5083] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5083] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5083] rename("./file1", "./bus" [pid 5084] creat("./file1", 000 [pid 5083] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5083] rename("./file1", "./bus" [pid 5084] <... creat resumed>) = 10 [pid 5083] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5084] creat("./file1", 000 [pid 5083] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5083] rename("./file1", "./bus" [pid 5084] <... creat resumed>) = 11 [pid 5084] creat("./file1", 000 [pid 5083] <... rename resumed>) = -1 ENOENT (No such file or directory) [ 74.225669][ T5083] loop0: detected capacity change from 0 to 1024 [pid 5083] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5084] <... creat resumed>) = 12 [pid 5084] creat("./file1", 000 [pid 5083] rename("./file1", "./bus" [pid 5084] <... creat resumed>) = 13 [pid 5083] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5084] creat("./file1", 000 [pid 5083] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5084] <... creat resumed>) = 14 [pid 5083] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5084] creat("./file1", 000) = 15 [pid 5083] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5084] creat("./file1", 000) = 16 [pid 5083] rename("./file1", "./bus" [pid 5084] creat("./file1", 000 [pid 5083] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5084] <... creat resumed>) = 17 [pid 5084] creat("./file1", 000 [pid 5083] rename("./file1", "./bus" [pid 5084] <... creat resumed>) = 18 [pid 5083] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5084] creat("./file1", 000 [pid 5083] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5084] <... creat resumed>) = 19 [pid 5084] creat("./file1", 000 [pid 5083] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5084] <... creat resumed>) = 20 [pid 5084] creat("./file1", 000 [pid 5083] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5084] <... creat resumed>) = 21 [pid 5084] creat("./file1", 000 [pid 5083] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5084] <... creat resumed>) = 22 [pid 5084] creat("./file1", 000 [pid 5083] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5084] <... creat resumed>) = 23 [pid 5084] creat("./file1", 000 [pid 5083] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5084] <... creat resumed>) = 24 [pid 5084] creat("./file1", 000 [pid 5083] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5084] <... creat resumed>) = 25 [pid 5084] creat("./file1", 000 [pid 5083] rename("./file1", "./bus" [pid 5084] <... creat resumed>) = 26 [pid 5083] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5084] creat("./file1", 000 [pid 5083] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5084] <... creat resumed>) = 27 [pid 5084] creat("./file1", 000 [pid 5083] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5084] <... creat resumed>) = 28 [pid 5084] creat("./file1", 000 [pid 5083] rename("./file1", "./bus" [pid 5082] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5083] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5082] futex(0x7f016fef36bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 5084] <... creat resumed>) = 29 [pid 5084] creat("./file1", 000 [pid 5083] futex(0x7f016fef36ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5083] <... futex resumed>) = 0 [pid 5083] futex(0x7f016fef36a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5084] <... creat resumed>) = 30 [pid 5084] creat("./file1", 000) = 31 [pid 5084] creat("./file1", 000) = 32 [pid 5084] creat("./file1", 000) = 33 [pid 5084] creat("./file1", 000) = 34 [pid 5084] creat("./file1", 000) = 35 [pid 5084] creat("./file1", 000) = 36 [pid 5084] creat("./file1", 000) = 37 [pid 5084] creat("./file1", 000) = 38 [pid 5084] creat("./file1", 000) = 39 [pid 5084] creat("./file1", 000) = 40 [pid 5084] creat("./file1", 000) = 41 [pid 5084] creat("./file1", 000) = 42 [pid 5084] creat("./file1", 000) = 43 [pid 5084] creat("./file1", 000) = 44 [pid 5084] creat("./file1", 000) = 45 [pid 5084] creat("./file1", 000) = 46 [pid 5084] creat("./file1", 000) = 47 [pid 5084] creat("./file1", 000) = 48 [pid 5084] creat("./file1", 000) = 49 [pid 5084] creat("./file1", 000) = 50 [pid 5084] creat("./file1", 000) = 51 [pid 5084] creat("./file1", 000) = 52 [pid 5084] creat("./file1", 000) = 53 [pid 5084] creat("./file1", 000) = 54 [pid 5084] creat("./file1", 000) = 55 [pid 5084] creat("./file1", 000) = 56 [pid 5084] creat("./file1", 000) = 57 [pid 5084] creat("./file1", 000) = 58 [pid 5084] creat("./file1", 000) = 59 [pid 5084] creat("./file1", 000) = 60 [pid 5084] creat("./file1", 000) = 61 [pid 5084] creat("./file1", 000) = 62 [pid 5084] creat("./file1", 000) = 63 [pid 5084] creat("./file1", 000) = 64 [pid 5084] creat("./file1", 000) = 65 [pid 5084] creat("./file1", 000) = 66 [pid 5084] creat("./file1", 000) = 67 [pid 5084] creat("./file1", 000) = 68 [pid 5084] futex(0x7f016fef36bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5084] futex(0x7f016fef36b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5082] exit_group(0 [pid 5084] <... futex resumed>) = ? [pid 5084] +++ exited with 0 +++ [pid 5083] <... futex resumed>) = ? [pid 5083] +++ exited with 0 +++ [pid 5082] <... exit_group resumed>) = ? [pid 5082] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5082, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./13", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x555557252730 /* 4 entries */, 32768) = 104 umount2("./13/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./13/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./13/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./13/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./13/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x55555725a770 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555725a770 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./13/bus") = 0 umount2("./13/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./13/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./13/binderfs") = 0 getdents64(3, 0x555557252730 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./13") = 0 mkdir("./14", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555557251690) = 5085 ./strace-static-x86_64: Process 5085 attached [pid 5085] set_robust_list(0x5555572516a0, 24) = 0 [pid 5085] chdir("./14") = 0 [pid 5085] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5085] setpgid(0, 0) = 0 [pid 5085] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5085] write(3, "1000", 4) = 4 [pid 5085] close(3) = 0 [pid 5085] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5085] futex(0x7f016fef36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5085] rt_sigaction(SIGRT_1, {sa_handler=0x7f016fe90eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f016fe82060}, NULL, 8) = 0 [pid 5085] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5085] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f016fe07000 [pid 5085] mprotect(0x7f016fe08000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5085] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5085] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f016fe27990, parent_tid=0x7f016fe27990, exit_signal=0, stack=0x7f016fe07000, stack_size=0x20300, tls=0x7f016fe276c0}./strace-static-x86_64: Process 5086 attached [pid 5086] rseq(0x7f016fe27fe0, 0x20, 0, 0x53053053 [pid 5085] <... clone3 resumed> => {parent_tid=[5086]}, 88) = 5086 [pid 5086] <... rseq resumed>) = 0 [pid 5086] set_robust_list(0x7f016fe279a0, 24) = 0 [pid 5086] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5086] futex(0x7f016fef36a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5085] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5085] futex(0x7f016fef36a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5086] <... futex resumed>) = 0 [pid 5085] <... futex resumed>) = 1 [pid 5086] memfd_create("syzkaller", 0 [pid 5085] futex(0x7f016fef36ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5086] <... memfd_create resumed>) = 3 [pid 5086] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0167a07000 [ 74.381901][ T3119] hfsplus: b-tree write err: -5, ino 8 [pid 5086] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288) = 524288 [pid 5086] munmap(0x7f0167a07000, 524288) = 0 [pid 5086] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5086] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5086] close(3) = 0 [pid 5086] mkdir("./bus", 0777) = 0 [pid 5086] mount("/dev/loop0", "./bus", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK, "") = 0 [pid 5086] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5086] chdir("./bus") = 0 [pid 5086] ioctl(4, LOOP_CLR_FD) = 0 [pid 5086] close(4) = 0 [pid 5086] futex(0x7f016fef36ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5085] <... futex resumed>) = 0 [pid 5086] rename("./file1", "./bus" [pid 5085] futex(0x7f016fef36a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5086] <... rename resumed>) = 0 [pid 5085] <... futex resumed>) = 0 [pid 5085] futex(0x7f016fef36bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5085] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5086] rename("./file1", "./bus" [pid 5085] <... mmap resumed>) = 0x7f0167a66000 [pid 5086] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5086] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5086] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5086] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5086] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5086] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5086] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5086] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5086] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5086] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5086] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5086] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5086] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5086] rename("./file1", "./bus" [pid 5085] mprotect(0x7f0167a67000, 131072, PROT_READ|PROT_WRITE [pid 5086] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5086] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5085] <... mprotect resumed>) = 0 [pid 5086] rename("./file1", "./bus" [pid 5085] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5085] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0167a86990, parent_tid=0x7f0167a86990, exit_signal=0, stack=0x7f0167a66000, stack_size=0x20300, tls=0x7f0167a866c0} [pid 5086] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5086] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5086] rename("./file1", "./bus"./strace-static-x86_64: Process 5087 attached [pid 5085] <... clone3 resumed> => {parent_tid=[5087]}, 88) = 5087 [pid 5087] rseq(0x7f0167a86fe0, 0x20, 0, 0x53053053 [pid 5086] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5086] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5086] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5085] rt_sigprocmask(SIG_SETMASK, [], [pid 5087] <... rseq resumed>) = 0 [pid 5086] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5086] rename("./file1", "./bus" [pid 5087] set_robust_list(0x7f0167a869a0, 24 [pid 5085] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5086] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5087] <... set_robust_list resumed>) = 0 [pid 5085] futex(0x7f016fef36b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5087] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5085] <... futex resumed>) = 0 [pid 5085] futex(0x7f016fef36bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5087] creat("./file1", 000 [pid 5086] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5087] <... creat resumed>) = 4 [pid 5086] rename("./file1", "./bus" [pid 5087] creat("./file1", 000 [pid 5086] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5087] <... creat resumed>) = 5 [pid 5086] rename("./file1", "./bus" [pid 5087] creat("./file1", 000 [pid 5086] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5087] <... creat resumed>) = 6 [pid 5086] rename("./file1", "./bus" [pid 5087] creat("./file1", 000 [pid 5086] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5086] rename("./file1", "./bus" [pid 5087] <... creat resumed>) = 7 [pid 5087] creat("./file1", 000 [pid 5086] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5087] <... creat resumed>) = 8 [pid 5086] rename("./file1", "./bus" [pid 5087] creat("./file1", 000 [pid 5086] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5086] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5086] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5086] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5086] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5086] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5086] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5086] rename("./file1", "./bus" [pid 5087] <... creat resumed>) = 9 [pid 5086] <... rename resumed>) = -1 ENOENT (No such file or directory) [ 74.446373][ T5086] loop0: detected capacity change from 0 to 1024 [pid 5086] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5086] rename("./file1", "./bus" [pid 5087] creat("./file1", 000 [pid 5086] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5086] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5086] rename("./file1", "./bus" [pid 5087] <... creat resumed>) = 10 [pid 5087] creat("./file1", 000 [pid 5086] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5086] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5086] rename("./file1", "./bus" [pid 5087] <... creat resumed>) = 11 [pid 5086] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5086] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5086] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5086] rename("./file1", "./bus" [pid 5087] creat("./file1", 000 [pid 5086] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5086] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5087] <... creat resumed>) = 12 [pid 5087] creat("./file1", 000 [pid 5086] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5086] rename("./file1", "./bus" [pid 5087] <... creat resumed>) = 13 [pid 5087] creat("./file1", 000 [pid 5086] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5086] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5086] rename("./file1", "./bus" [pid 5087] <... creat resumed>) = 14 [pid 5087] creat("./file1", 000 [pid 5086] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5086] rename("./file1", "./bus" [pid 5087] <... creat resumed>) = 15 [pid 5086] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5086] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5086] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5086] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5086] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5087] creat("./file1", 000 [pid 5086] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5086] rename("./file1", "./bus" [pid 5087] <... creat resumed>) = 16 [pid 5087] creat("./file1", 000 [pid 5086] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5086] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5086] rename("./file1", "./bus" [pid 5087] <... creat resumed>) = 17 [pid 5087] creat("./file1", 000 [pid 5086] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5087] <... creat resumed>) = 18 [pid 5086] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5087] creat("./file1", 000) = 19 [pid 5086] rename("./file1", "./bus" [pid 5087] creat("./file1", 000) = 20 [pid 5086] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5086] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5087] creat("./file1", 000) = 21 [pid 5086] rename("./file1", "./bus" [pid 5087] creat("./file1", 000) = 22 [pid 5086] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5087] creat("./file1", 000) = 23 [pid 5086] rename("./file1", "./bus" [pid 5087] creat("./file1", 000 [pid 5086] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5086] rename("./file1", "./bus" [pid 5087] <... creat resumed>) = 24 [pid 5087] creat("./file1", 000 [pid 5086] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5087] <... creat resumed>) = 25 [pid 5086] futex(0x7f016fef36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5086] futex(0x7f016fef36a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5087] creat("./file1", 000) = 26 [pid 5087] creat("./file1", 000) = 27 [pid 5087] creat("./file1", 000) = 28 [pid 5087] creat("./file1", 000) = 29 [pid 5087] creat("./file1", 000) = 30 [pid 5087] creat("./file1", 000) = 31 [pid 5087] creat("./file1", 000) = 32 [pid 5087] creat("./file1", 000) = 33 [pid 5085] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5087] creat("./file1", 000) = 34 [pid 5087] creat("./file1", 000) = 35 [pid 5087] creat("./file1", 000) = 36 [pid 5087] creat("./file1", 000) = 37 [pid 5087] creat("./file1", 000) = 38 [pid 5087] creat("./file1", 000) = 39 [pid 5087] creat("./file1", 000) = 40 [pid 5087] creat("./file1", 000) = 41 [pid 5087] creat("./file1", 000) = 42 [pid 5087] creat("./file1", 000) = 43 [pid 5087] creat("./file1", 000) = 44 [pid 5087] creat("./file1", 000) = 45 [pid 5087] creat("./file1", 000) = 46 [pid 5087] creat("./file1", 000) = 47 [pid 5087] creat("./file1", 000) = 48 [pid 5087] creat("./file1", 000) = 49 [pid 5087] creat("./file1", 000) = 50 [pid 5087] creat("./file1", 000) = 51 [pid 5087] creat("./file1", 000) = 52 [pid 5087] creat("./file1", 000) = 53 [pid 5087] creat("./file1", 000) = 54 [pid 5087] creat("./file1", 000) = 55 [pid 5087] creat("./file1", 000) = 56 [pid 5087] creat("./file1", 000) = 57 [pid 5087] creat("./file1", 000) = 58 [pid 5087] creat("./file1", 000) = 59 [pid 5087] creat("./file1", 000) = 60 [pid 5087] creat("./file1", 000) = 61 [pid 5087] creat("./file1", 000) = 62 [pid 5087] creat("./file1", 000) = 63 [pid 5087] creat("./file1", 000) = 64 [pid 5087] creat("./file1", 000) = 65 [pid 5087] creat("./file1", 000) = 66 [pid 5087] creat("./file1", 000) = 67 [pid 5087] creat("./file1", 000) = 68 [pid 5087] futex(0x7f016fef36bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5087] futex(0x7f016fef36b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5085] exit_group(0 [pid 5087] <... futex resumed>) = ? [pid 5086] <... futex resumed>) = ? [pid 5087] +++ exited with 0 +++ [pid 5086] +++ exited with 0 +++ [pid 5085] <... exit_group resumed>) = ? [pid 5085] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5085, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./14", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x555557252730 /* 4 entries */, 32768) = 104 umount2("./14/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./14/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./14/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./14/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./14/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x55555725a770 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555725a770 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./14/bus") = 0 umount2("./14/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./14/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./14/binderfs") = 0 getdents64(3, 0x555557252730 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./14") = 0 mkdir("./15", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5088 attached , child_tidptr=0x555557251690) = 5088 [pid 5088] set_robust_list(0x5555572516a0, 24) = 0 [pid 5088] chdir("./15") = 0 [pid 5088] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5088] setpgid(0, 0) = 0 [pid 5088] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5088] write(3, "1000", 4) = 4 [pid 5088] close(3) = 0 [pid 5088] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5088] futex(0x7f016fef36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5088] rt_sigaction(SIGRT_1, {sa_handler=0x7f016fe90eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f016fe82060}, NULL, 8) = 0 [pid 5088] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5088] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f016fe07000 [pid 5088] mprotect(0x7f016fe08000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5088] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5088] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f016fe27990, parent_tid=0x7f016fe27990, exit_signal=0, stack=0x7f016fe07000, stack_size=0x20300, tls=0x7f016fe276c0}./strace-static-x86_64: Process 5089 attached [pid 5089] rseq(0x7f016fe27fe0, 0x20, 0, 0x53053053 [pid 5088] <... clone3 resumed> => {parent_tid=[5089]}, 88) = 5089 [pid 5089] <... rseq resumed>) = 0 [pid 5088] rt_sigprocmask(SIG_SETMASK, [], [pid 5089] set_robust_list(0x7f016fe279a0, 24 [pid 5088] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5089] <... set_robust_list resumed>) = 0 [pid 5088] futex(0x7f016fef36a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5089] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5088] <... futex resumed>) = 0 [pid 5089] memfd_create("syzkaller", 0 [pid 5088] futex(0x7f016fef36ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5089] <... memfd_create resumed>) = 3 [pid 5089] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0167a07000 [pid 5089] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288) = 524288 [pid 5089] munmap(0x7f0167a07000, 524288) = 0 [pid 5089] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 74.573621][ T2447] hfsplus: b-tree write err: -5, ino 8 [pid 5089] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5089] close(3) = 0 [pid 5089] mkdir("./bus", 0777) = 0 [pid 5089] mount("/dev/loop0", "./bus", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK, "") = 0 [pid 5089] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5089] chdir("./bus") = 0 [pid 5089] ioctl(4, LOOP_CLR_FD) = 0 [pid 5089] close(4) = 0 [pid 5089] futex(0x7f016fef36ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5088] <... futex resumed>) = 0 [pid 5089] futex(0x7f016fef36a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5088] futex(0x7f016fef36a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5089] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5089] rename("./file1", "./bus") = 0 [pid 5088] <... futex resumed>) = 0 [pid 5088] futex(0x7f016fef36bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5089] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5088] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5089] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5089] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5089] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5089] rename("./file1", "./bus" [pid 5088] <... mmap resumed>) = 0x7f0167a66000 [pid 5089] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5088] mprotect(0x7f0167a67000, 131072, PROT_READ|PROT_WRITE [pid 5089] rename("./file1", "./bus" [pid 5088] <... mprotect resumed>) = 0 [pid 5088] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5089] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5088] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5089] rename("./file1", "./bus" [pid 5088] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0167a86990, parent_tid=0x7f0167a86990, exit_signal=0, stack=0x7f0167a66000, stack_size=0x20300, tls=0x7f0167a866c0} [pid 5089] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5089] rename("./file1", "./bus"./strace-static-x86_64: Process 5090 attached ) = -1 ENOENT (No such file or directory) [pid 5090] rseq(0x7f0167a86fe0, 0x20, 0, 0x53053053 [pid 5088] <... clone3 resumed> => {parent_tid=[5090]}, 88) = 5090 [pid 5090] <... rseq resumed>) = 0 [pid 5088] rt_sigprocmask(SIG_SETMASK, [], [pid 5090] set_robust_list(0x7f0167a869a0, 24 [pid 5088] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5089] rename("./file1", "./bus" [pid 5090] <... set_robust_list resumed>) = 0 [pid 5089] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5088] futex(0x7f016fef36b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5090] rt_sigprocmask(SIG_SETMASK, [], [pid 5088] <... futex resumed>) = 0 [pid 5089] rename("./file1", "./bus" [pid 5090] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5088] futex(0x7f016fef36bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5089] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5090] creat("./file1", 000 [pid 5089] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5089] rename("./file1", "./bus" [pid 5090] <... creat resumed>) = 4 [pid 5090] creat("./file1", 000 [pid 5089] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5089] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5089] rename("./file1", "./bus" [pid 5090] <... creat resumed>) = 5 [pid 5090] creat("./file1", 000 [pid 5089] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5089] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5089] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5089] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5089] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5089] rename("./file1", "./bus" [pid 5090] <... creat resumed>) = 6 [pid 5090] creat("./file1", 000 [pid 5089] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5089] rename("./file1", "./bus" [pid 5090] <... creat resumed>) = 7 [pid 5089] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5089] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5089] rename("./file1", "./bus" [pid 5090] creat("./file1", 000 [pid 5089] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5089] rename("./file1", "./bus" [pid 5090] <... creat resumed>) = 8 [pid 5089] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5089] rename("./file1", "./bus" [pid 5090] creat("./file1", 000 [pid 5089] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5089] rename("./file1", "./bus" [pid 5090] <... creat resumed>) = 9 [pid 5089] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5089] rename("./file1", "./bus" [ 74.622502][ T5089] loop0: detected capacity change from 0 to 1024 [pid 5090] creat("./file1", 000) = 10 [pid 5089] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5090] creat("./file1", 000 [pid 5089] rename("./file1", "./bus" [pid 5090] <... creat resumed>) = 11 [pid 5089] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5089] rename("./file1", "./bus" [pid 5090] creat("./file1", 000 [pid 5089] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5090] <... creat resumed>) = 12 [pid 5089] rename("./file1", "./bus" [pid 5090] creat("./file1", 000 [pid 5089] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5090] <... creat resumed>) = 13 [pid 5089] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5090] creat("./file1", 000 [pid 5089] rename("./file1", "./bus" [pid 5090] <... creat resumed>) = 14 [pid 5089] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5089] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5090] creat("./file1", 000) = 15 [pid 5089] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5090] creat("./file1", 000) = 16 [pid 5089] rename("./file1", "./bus" [pid 5090] creat("./file1", 000 [pid 5089] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5090] <... creat resumed>) = 17 [pid 5089] rename("./file1", "./bus" [pid 5090] creat("./file1", 000 [pid 5089] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5090] <... creat resumed>) = 18 [pid 5089] rename("./file1", "./bus" [pid 5090] creat("./file1", 000 [pid 5089] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5090] <... creat resumed>) = 19 [pid 5089] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5090] creat("./file1", 000) = 20 [pid 5089] rename("./file1", "./bus" [pid 5090] creat("./file1", 000 [pid 5089] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5090] <... creat resumed>) = 21 [pid 5089] rename("./file1", "./bus" [pid 5090] creat("./file1", 000 [pid 5089] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5089] rename("./file1", "./bus" [pid 5090] <... creat resumed>) = 22 [pid 5090] creat("./file1", 000 [pid 5089] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5089] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5089] rename("./file1", "./bus" [pid 5090] <... creat resumed>) = 23 [pid 5090] creat("./file1", 000 [pid 5089] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5089] rename("./file1", "./bus" [pid 5090] <... creat resumed>) = 24 [pid 5090] creat("./file1", 000 [pid 5089] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5089] rename("./file1", "./bus" [pid 5090] <... creat resumed>) = 25 [pid 5090] creat("./file1", 000 [pid 5089] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5089] rename("./file1", "./bus" [pid 5090] <... creat resumed>) = 26 [pid 5089] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5090] creat("./file1", 000 [pid 5089] rename("./file1", "./bus" [pid 5090] <... creat resumed>) = 27 [pid 5090] creat("./file1", 000 [pid 5089] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5089] rename("./file1", "./bus" [pid 5090] <... creat resumed>) = 28 [pid 5090] creat("./file1", 000 [pid 5089] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5089] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5089] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5089] rename("./file1", "./bus" [pid 5090] <... creat resumed>) = 29 [pid 5090] creat("./file1", 000 [pid 5089] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5090] <... creat resumed>) = 30 [pid 5089] rename("./file1", "./bus" [pid 5090] creat("./file1", 000 [pid 5089] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5089] rename("./file1", "./bus" [pid 5088] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5088] futex(0x7f016fef36bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 5090] <... creat resumed>) = 31 [pid 5089] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5090] creat("./file1", 000 [pid 5088] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5089] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5089] rename("./file1", "./bus" [pid 5090] <... creat resumed>) = 32 [pid 5090] creat("./file1", 000) = 33 [pid 5089] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5089] rename("./file1", "./bus" [pid 5090] creat("./file1", 000 [pid 5089] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5089] rename("./file1", "./bus" [pid 5090] <... creat resumed>) = 34 [pid 5090] creat("./file1", 000 [pid 5089] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5089] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5089] rename("./file1", "./bus" [pid 5090] <... creat resumed>) = 35 [pid 5090] creat("./file1", 000 [pid 5089] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5089] rename("./file1", "./bus" [pid 5090] <... creat resumed>) = 36 [pid 5089] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5089] rename("./file1", "./bus" [pid 5090] creat("./file1", 000 [pid 5089] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5089] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5089] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5089] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5089] rename("./file1", "./bus" [pid 5090] <... creat resumed>) = 37 [pid 5090] creat("./file1", 000 [pid 5089] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5089] futex(0x7f016fef36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5089] futex(0x7f016fef36a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5090] <... creat resumed>) = 38 [pid 5090] creat("./file1", 000) = 39 [pid 5090] creat("./file1", 000) = 40 [pid 5090] creat("./file1", 000) = 41 [pid 5090] creat("./file1", 000) = 42 [pid 5090] creat("./file1", 000) = 43 [pid 5090] creat("./file1", 000) = 44 [pid 5090] creat("./file1", 000) = 45 [pid 5090] creat("./file1", 000) = 46 [pid 5090] creat("./file1", 000) = 47 [pid 5090] creat("./file1", 000) = 48 [pid 5090] creat("./file1", 000) = 49 [pid 5090] creat("./file1", 000) = 50 [pid 5090] creat("./file1", 000) = 51 [pid 5090] creat("./file1", 000) = 52 [pid 5090] creat("./file1", 000) = 53 [pid 5090] creat("./file1", 000) = 54 [pid 5090] creat("./file1", 000) = 55 [pid 5090] creat("./file1", 000) = 56 [pid 5090] creat("./file1", 000) = 57 [pid 5090] creat("./file1", 000) = 58 [pid 5090] creat("./file1", 000) = 59 [pid 5090] creat("./file1", 000) = 60 [pid 5090] creat("./file1", 000) = 61 [pid 5090] creat("./file1", 000) = 62 [pid 5090] creat("./file1", 000) = 63 [pid 5090] creat("./file1", 000) = 64 [pid 5090] creat("./file1", 000) = 65 [pid 5090] creat("./file1", 000) = 66 [pid 5090] creat("./file1", 000) = 67 [pid 5090] creat("./file1", 000) = 68 [pid 5090] futex(0x7f016fef36bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5090] futex(0x7f016fef36b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5088] exit_group(0 [pid 5090] <... futex resumed>) = ? [pid 5089] <... futex resumed>) = ? [pid 5088] <... exit_group resumed>) = ? [pid 5090] +++ exited with 0 +++ [pid 5089] +++ exited with 0 +++ [pid 5088] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5088, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- umount2("./15", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x555557252730 /* 4 entries */, 32768) = 104 umount2("./15/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./15/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./15/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./15/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./15/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x55555725a770 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555725a770 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./15/bus") = 0 umount2("./15/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./15/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./15/binderfs") = 0 getdents64(3, 0x555557252730 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./15") = 0 mkdir("./16", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5091 attached , child_tidptr=0x555557251690) = 5091 [pid 5091] set_robust_list(0x5555572516a0, 24) = 0 [pid 5091] chdir("./16") = 0 [pid 5091] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5091] setpgid(0, 0) = 0 [pid 5091] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5091] write(3, "1000", 4) = 4 [pid 5091] close(3) = 0 [pid 5091] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5091] futex(0x7f016fef36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5091] rt_sigaction(SIGRT_1, {sa_handler=0x7f016fe90eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f016fe82060}, NULL, 8) = 0 [pid 5091] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5091] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f016fe07000 [pid 5091] mprotect(0x7f016fe08000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5091] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5091] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f016fe27990, parent_tid=0x7f016fe27990, exit_signal=0, stack=0x7f016fe07000, stack_size=0x20300, tls=0x7f016fe276c0} => {parent_tid=[5092]}, 88) = 5092 [pid 5091] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5091] futex(0x7f016fef36a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5091] futex(0x7f016fef36ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5092 attached [pid 5092] rseq(0x7f016fe27fe0, 0x20, 0, 0x53053053) = 0 [pid 5092] set_robust_list(0x7f016fe279a0, 24) = 0 [pid 5092] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5092] memfd_create("syzkaller", 0) = 3 [pid 5092] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0167a07000 [pid 5092] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288) = 524288 [pid 5092] munmap(0x7f0167a07000, 524288) = 0 [pid 5092] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 74.756603][ T3119] hfsplus: b-tree write err: -5, ino 8 [pid 5092] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5092] close(3) = 0 [pid 5092] mkdir("./bus", 0777) = 0 [pid 5092] mount("/dev/loop0", "./bus", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK, "") = 0 [pid 5092] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5092] chdir("./bus") = 0 [pid 5092] ioctl(4, LOOP_CLR_FD) = 0 [pid 5092] close(4) = 0 [pid 5092] futex(0x7f016fef36ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5091] <... futex resumed>) = 0 [pid 5092] futex(0x7f016fef36a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5091] futex(0x7f016fef36a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5092] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5091] <... futex resumed>) = 0 [pid 5092] rename("./file1", "./bus" [pid 5091] futex(0x7f016fef36bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5092] <... rename resumed>) = 0 [pid 5091] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0167a66000 [pid 5091] mprotect(0x7f0167a67000, 131072, PROT_READ|PROT_WRITE [pid 5092] rename("./file1", "./bus" [pid 5091] <... mprotect resumed>) = 0 [pid 5091] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5092] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5091] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0167a86990, parent_tid=0x7f0167a86990, exit_signal=0, stack=0x7f0167a66000, stack_size=0x20300, tls=0x7f0167a866c0} [pid 5092] rename("./file1", "./bus"./strace-static-x86_64: Process 5093 attached ) = -1 ENOENT (No such file or directory) [pid 5091] <... clone3 resumed> => {parent_tid=[5093]}, 88) = 5093 [pid 5093] rseq(0x7f0167a86fe0, 0x20, 0, 0x53053053 [pid 5092] rename("./file1", "./bus" [pid 5091] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5091] futex(0x7f016fef36b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5093] <... rseq resumed>) = 0 [pid 5091] <... futex resumed>) = 0 [pid 5093] set_robust_list(0x7f0167a869a0, 24 [pid 5092] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5091] futex(0x7f016fef36bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5093] <... set_robust_list resumed>) = 0 [pid 5092] rename("./file1", "./bus" [pid 5093] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5092] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5092] rename("./file1", "./bus" [pid 5093] creat("./file1", 000) = 4 [pid 5093] creat("./file1", 000) = 5 [pid 5092] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5093] creat("./file1", 000 [pid 5092] rename("./file1", "./bus" [pid 5093] <... creat resumed>) = 6 [pid 5093] creat("./file1", 000 [pid 5092] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5092] rename("./file1", "./bus" [pid 5093] <... creat resumed>) = 7 [pid 5093] creat("./file1", 000 [pid 5092] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5093] <... creat resumed>) = 8 [pid 5092] rename("./file1", "./bus" [pid 5093] creat("./file1", 000 [pid 5092] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5093] <... creat resumed>) = 9 [pid 5093] creat("./file1", 000) = 10 [pid 5092] rename("./file1", "./bus" [pid 5093] creat("./file1", 000) = 11 [pid 5093] creat("./file1", 000) = 12 [pid 5092] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5093] creat("./file1", 000) = 13 [pid 5092] rename("./file1", "./bus" [pid 5093] creat("./file1", 000 [pid 5092] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5093] <... creat resumed>) = 14 [pid 5093] creat("./file1", 000) = 15 [pid 5092] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5093] creat("./file1", 000) = 16 [pid 5092] rename("./file1", "./bus" [pid 5093] creat("./file1", 000) = 17 [pid 5092] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5092] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [ 74.806783][ T5092] loop0: detected capacity change from 0 to 1024 [pid 5092] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5093] creat("./file1", 000 [pid 5092] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5093] <... creat resumed>) = 18 [pid 5092] rename("./file1", "./bus" [pid 5093] creat("./file1", 000 [pid 5092] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5093] <... creat resumed>) = 19 [pid 5092] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5093] creat("./file1", 000) = 20 [pid 5092] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5093] creat("./file1", 000 [pid 5092] rename("./file1", "./bus" [pid 5093] <... creat resumed>) = 21 [pid 5092] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5093] creat("./file1", 000 [pid 5092] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5093] <... creat resumed>) = 22 [pid 5092] rename("./file1", "./bus" [pid 5093] creat("./file1", 000 [pid 5092] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5093] <... creat resumed>) = 23 [pid 5092] rename("./file1", "./bus" [pid 5093] creat("./file1", 000 [pid 5092] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5093] <... creat resumed>) = 24 [pid 5092] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5093] creat("./file1", 000) = 25 [pid 5092] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5093] creat("./file1", 000) = 26 [pid 5092] rename("./file1", "./bus" [pid 5093] creat("./file1", 000 [pid 5092] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5093] <... creat resumed>) = 27 [pid 5092] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5093] creat("./file1", 000 [pid 5092] rename("./file1", "./bus" [pid 5093] <... creat resumed>) = 28 [pid 5092] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5092] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5093] creat("./file1", 000) = 29 [pid 5092] rename("./file1", "./bus" [pid 5093] creat("./file1", 000 [pid 5092] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5093] <... creat resumed>) = 30 [pid 5092] rename("./file1", "./bus" [pid 5093] creat("./file1", 000 [pid 5092] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5093] <... creat resumed>) = 31 [pid 5091] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5091] futex(0x7f016fef36bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 5092] rename("./file1", "./bus" [pid 5091] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5093] creat("./file1", 000 [pid 5092] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5093] <... creat resumed>) = 32 [pid 5092] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5093] creat("./file1", 000) = 33 [pid 5092] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5093] creat("./file1", 000) = 34 [pid 5092] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5093] creat("./file1", 000) = 35 [pid 5092] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5093] creat("./file1", 000) = 36 [pid 5092] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5093] creat("./file1", 000 [pid 5092] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5093] <... creat resumed>) = 37 [pid 5092] rename("./file1", "./bus" [pid 5093] creat("./file1", 000) = 38 [pid 5092] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5093] creat("./file1", 000) = 39 [pid 5092] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5093] creat("./file1", 000 [pid 5092] rename("./file1", "./bus" [pid 5093] <... creat resumed>) = 40 [pid 5092] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5093] creat("./file1", 000 [pid 5092] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5093] <... creat resumed>) = 41 [pid 5093] creat("./file1", 000 [pid 5092] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5093] <... creat resumed>) = 42 [pid 5093] creat("./file1", 000 [pid 5092] rename("./file1", "./bus" [pid 5093] <... creat resumed>) = 43 [pid 5092] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5093] creat("./file1", 000 [pid 5092] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5093] <... creat resumed>) = 44 [pid 5093] creat("./file1", 000 [pid 5092] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5093] <... creat resumed>) = 45 [pid 5093] creat("./file1", 000 [pid 5092] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5093] <... creat resumed>) = 46 [pid 5093] creat("./file1", 000 [pid 5092] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5093] <... creat resumed>) = 47 [pid 5092] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5093] creat("./file1", 000) = 48 [pid 5092] rename("./file1", "./bus" [pid 5093] creat("./file1", 000 [pid 5092] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5092] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5093] <... creat resumed>) = 49 [pid 5093] creat("./file1", 000 [pid 5092] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5092] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5092] rename("./file1", "./bus" [pid 5093] <... creat resumed>) = 50 [pid 5093] creat("./file1", 000 [pid 5092] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5093] <... creat resumed>) = 51 [pid 5093] creat("./file1", 000 [pid 5092] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5093] <... creat resumed>) = 52 [pid 5092] rename("./file1", "./bus" [pid 5093] creat("./file1", 000 [pid 5092] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5093] <... creat resumed>) = 53 [pid 5093] creat("./file1", 000 [pid 5092] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5093] <... creat resumed>) = 54 [pid 5093] creat("./file1", 000 [pid 5092] rename("./file1", "./bus" [pid 5093] <... creat resumed>) = 55 [pid 5092] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5093] creat("./file1", 000 [pid 5092] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5093] <... creat resumed>) = 56 [pid 5092] rename("./file1", "./bus" [pid 5093] creat("./file1", 000 [pid 5092] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5093] <... creat resumed>) = 57 [pid 5092] rename("./file1", "./bus" [pid 5093] creat("./file1", 000 [pid 5092] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5093] <... creat resumed>) = 58 [pid 5092] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5093] creat("./file1", 000) = 59 [pid 5092] rename("./file1", "./bus" [pid 5093] creat("./file1", 000 [pid 5092] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5093] <... creat resumed>) = 60 [pid 5092] rename("./file1", "./bus" [pid 5093] creat("./file1", 000 [pid 5092] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5092] rename("./file1", "./bus" [pid 5093] <... creat resumed>) = 61 [pid 5093] creat("./file1", 000 [pid 5092] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5092] futex(0x7f016fef36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5092] futex(0x7f016fef36a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5093] <... creat resumed>) = 62 [pid 5093] creat("./file1", 000) = 63 [pid 5093] creat("./file1", 000) = 64 [pid 5093] creat("./file1", 000) = 65 [pid 5093] creat("./file1", 000) = 66 [pid 5093] creat("./file1", 000) = 67 [pid 5093] creat("./file1", 000) = 68 [pid 5093] futex(0x7f016fef36bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5093] futex(0x7f016fef36b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5091] exit_group(0) = ? [pid 5092] <... futex resumed>) = ? [pid 5093] <... futex resumed>) = ? [pid 5092] +++ exited with 0 +++ [pid 5093] +++ exited with 0 +++ [pid 5091] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5091, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- umount2("./16", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./16", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x555557252730 /* 4 entries */, 32768) = 104 umount2("./16/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./16/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./16/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./16/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./16/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x55555725a770 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555725a770 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./16/bus") = 0 umount2("./16/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./16/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./16/binderfs") = 0 getdents64(3, 0x555557252730 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./16") = 0 mkdir("./17", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5094 attached [pid 5094] set_robust_list(0x5555572516a0, 24) = 0 [pid 5094] chdir("./17") = 0 [pid 5094] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5094] setpgid(0, 0) = 0 [pid 5094] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5094] write(3, "1000", 4) = 4 [pid 5094] close(3) = 0 [pid 5094] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5094] futex(0x7f016fef36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5094] rt_sigaction(SIGRT_1, {sa_handler=0x7f016fe90eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f016fe82060}, NULL, 8) = 0 [pid 5094] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5094] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f016fe07000 [pid 5094] mprotect(0x7f016fe08000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5094] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5094] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f016fe27990, parent_tid=0x7f016fe27990, exit_signal=0, stack=0x7f016fe07000, stack_size=0x20300, tls=0x7f016fe276c0} [pid 5041] <... clone resumed>, child_tidptr=0x555557251690) = 5094 ./strace-static-x86_64: Process 5095 attached [pid 5095] rseq(0x7f016fe27fe0, 0x20, 0, 0x53053053) = 0 [pid 5095] set_robust_list(0x7f016fe279a0, 24 [pid 5094] <... clone3 resumed> => {parent_tid=[5095]}, 88) = 5095 [pid 5095] <... set_robust_list resumed>) = 0 [pid 5094] rt_sigprocmask(SIG_SETMASK, [], [pid 5095] rt_sigprocmask(SIG_SETMASK, [], [pid 5094] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5095] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5094] futex(0x7f016fef36a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5095] memfd_create("syzkaller", 0 [pid 5094] <... futex resumed>) = 0 [pid 5095] <... memfd_create resumed>) = 3 [pid 5094] futex(0x7f016fef36ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5095] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0167a07000 [pid 5095] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288) = 524288 [pid 5095] munmap(0x7f0167a07000, 524288) = 0 [ 74.939317][ T3119] hfsplus: b-tree write err: -5, ino 8 [pid 5095] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5095] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5095] close(3) = 0 [pid 5095] mkdir("./bus", 0777) = 0 [pid 5095] mount("/dev/loop0", "./bus", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK, "") = 0 [pid 5095] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5095] chdir("./bus") = 0 [pid 5095] ioctl(4, LOOP_CLR_FD) = 0 [pid 5095] close(4) = 0 [pid 5095] futex(0x7f016fef36ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5095] futex(0x7f016fef36a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5094] <... futex resumed>) = 0 [pid 5094] futex(0x7f016fef36a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5095] <... futex resumed>) = 0 [pid 5094] <... futex resumed>) = 1 [pid 5095] rename("./file1", "./bus" [pid 5094] futex(0x7f016fef36bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5094] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0167a66000 [pid 5095] <... rename resumed>) = 0 [pid 5095] rename("./file1", "./bus" [pid 5094] mprotect(0x7f0167a67000, 131072, PROT_READ|PROT_WRITE [pid 5095] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5094] <... mprotect resumed>) = 0 [pid 5095] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5095] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5095] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5095] rename("./file1", "./bus" [pid 5094] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5095] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5095] rename("./file1", "./bus" [pid 5094] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5095] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5095] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5095] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5094] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0167a86990, parent_tid=0x7f0167a86990, exit_signal=0, stack=0x7f0167a66000, stack_size=0x20300, tls=0x7f0167a866c0} [pid 5095] rename("./file1", "./bus"./strace-static-x86_64: Process 5096 attached ) = -1 ENOENT (No such file or directory) [pid 5096] rseq(0x7f0167a86fe0, 0x20, 0, 0x53053053 [pid 5095] rename("./file1", "./bus" [pid 5096] <... rseq resumed>) = 0 [pid 5096] set_robust_list(0x7f0167a869a0, 24) = 0 [pid 5095] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5094] <... clone3 resumed> => {parent_tid=[5096]}, 88) = 5096 [pid 5096] rt_sigprocmask(SIG_SETMASK, [], [pid 5095] rename("./file1", "./bus" [pid 5096] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5094] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5094] futex(0x7f016fef36b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5096] creat("./file1", 000 [pid 5094] futex(0x7f016fef36bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5096] <... creat resumed>) = 4 [pid 5096] creat("./file1", 000 [pid 5095] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5096] <... creat resumed>) = 5 [pid 5095] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5095] rename("./file1", "./bus" [pid 5096] creat("./file1", 000 [pid 5095] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5096] <... creat resumed>) = 6 [pid 5095] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5096] creat("./file1", 000) = 7 [pid 5096] creat("./file1", 000 [pid 5095] rename("./file1", "./bus" [pid 5096] <... creat resumed>) = 8 [pid 5096] creat("./file1", 000 [pid 5095] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5095] rename("./file1", "./bus" [pid 5096] <... creat resumed>) = 9 [pid 5095] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5096] creat("./file1", 000 [pid 5095] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5095] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5096] <... creat resumed>) = 10 [pid 5095] rename("./file1", "./bus" [pid 5096] creat("./file1", 000) = 11 [pid 5095] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5096] creat("./file1", 000) = 12 [pid 5095] rename("./file1", "./bus" [pid 5096] creat("./file1", 000 [pid 5095] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5096] <... creat resumed>) = 13 [pid 5095] rename("./file1", "./bus" [pid 5096] creat("./file1", 000 [pid 5095] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5095] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5096] <... creat resumed>) = 14 [pid 5095] rename("./file1", "./bus" [pid 5096] creat("./file1", 000 [pid 5095] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5096] <... creat resumed>) = 15 [pid 5095] rename("./file1", "./bus" [pid 5096] creat("./file1", 000) = 16 [pid 5095] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5096] creat("./file1", 000) = 17 [pid 5095] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5096] creat("./file1", 000 [pid 5095] rename("./file1", "./bus" [pid 5096] <... creat resumed>) = 18 [pid 5095] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5096] creat("./file1", 000) = 19 [pid 5095] rename("./file1", "./bus" [pid 5096] creat("./file1", 000 [pid 5095] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5096] <... creat resumed>) = 20 [pid 5095] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5096] creat("./file1", 000 [pid 5095] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5095] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5096] <... creat resumed>) = 21 [pid 5096] creat("./file1", 000) = 22 [pid 5095] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5096] creat("./file1", 000) = 23 [pid 5096] creat("./file1", 000 [pid 5095] rename("./file1", "./bus" [pid 5096] <... creat resumed>) = 24 [pid 5095] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5095] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5096] creat("./file1", 000) = 25 [pid 5095] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5096] creat("./file1", 000) = 26 [ 74.987957][ T5095] loop0: detected capacity change from 0 to 1024 [pid 5095] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5096] creat("./file1", 000) = 27 [pid 5095] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5096] creat("./file1", 000) = 28 [pid 5095] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5095] rename("./file1", "./bus" [pid 5096] creat("./file1", 000 [pid 5095] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5096] <... creat resumed>) = 29 [pid 5095] rename("./file1", "./bus" [pid 5096] creat("./file1", 000 [pid 5095] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5096] <... creat resumed>) = 30 [pid 5095] rename("./file1", "./bus" [pid 5096] creat("./file1", 000 [pid 5095] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5096] <... creat resumed>) = 31 [pid 5095] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5096] creat("./file1", 000) = 32 [pid 5095] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5096] creat("./file1", 000 [pid 5095] rename("./file1", "./bus" [pid 5096] <... creat resumed>) = 33 [pid 5096] creat("./file1", 000 [pid 5095] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5095] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5095] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5095] rename("./file1", "./bus" [pid 5094] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5094] futex(0x7f016fef36bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 5096] <... creat resumed>) = 34 [pid 5095] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5095] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5095] rename("./file1", "./bus" [pid 5094] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5096] creat("./file1", 000 [pid 5095] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5095] rename("./file1", "./bus" [pid 5096] <... creat resumed>) = 35 [pid 5096] creat("./file1", 000 [pid 5095] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5095] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5095] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5095] rename("./file1", "./bus" [pid 5096] <... creat resumed>) = 36 [pid 5095] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5095] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5095] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5096] creat("./file1", 000 [pid 5095] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5095] rename("./file1", "./bus" [pid 5096] <... creat resumed>) = 37 [pid 5095] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5095] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5095] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5095] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5095] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5095] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5095] rename("./file1", "./bus" [pid 5096] creat("./file1", 000 [pid 5095] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5095] rename("./file1", "./bus" [pid 5096] <... creat resumed>) = 38 [pid 5095] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5095] rename("./file1", "./bus" [pid 5096] creat("./file1", 000 [pid 5095] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5095] futex(0x7f016fef36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5095] futex(0x7f016fef36a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5096] <... creat resumed>) = 39 [pid 5096] creat("./file1", 000) = 40 [pid 5096] creat("./file1", 000) = 41 [pid 5096] creat("./file1", 000) = 42 [pid 5096] creat("./file1", 000) = 43 [pid 5096] creat("./file1", 000) = 44 [pid 5096] creat("./file1", 000) = 45 [pid 5096] creat("./file1", 000) = 46 [pid 5096] creat("./file1", 000) = 47 [pid 5096] creat("./file1", 000) = 48 [pid 5096] creat("./file1", 000) = 49 [pid 5096] creat("./file1", 000) = 50 [pid 5096] creat("./file1", 000) = 51 [pid 5096] creat("./file1", 000) = 52 [pid 5096] creat("./file1", 000) = 53 [pid 5096] creat("./file1", 000) = 54 [pid 5096] creat("./file1", 000) = 55 [pid 5096] creat("./file1", 000) = 56 [pid 5096] creat("./file1", 000) = 57 [pid 5096] creat("./file1", 000) = 58 [pid 5096] creat("./file1", 000) = 59 [pid 5096] creat("./file1", 000) = 60 [pid 5096] creat("./file1", 000) = 61 [pid 5096] creat("./file1", 000) = 62 [pid 5096] creat("./file1", 000) = 63 [pid 5096] creat("./file1", 000) = 64 [pid 5096] creat("./file1", 000) = 65 [pid 5096] creat("./file1", 000) = 66 [pid 5096] creat("./file1", 000) = 67 [pid 5096] creat("./file1", 000) = 68 [pid 5096] futex(0x7f016fef36bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5096] futex(0x7f016fef36b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5094] exit_group(0) = ? [pid 5096] <... futex resumed>) = ? [pid 5096] +++ exited with 0 +++ [pid 5095] <... futex resumed>) = ? [pid 5095] +++ exited with 0 +++ [pid 5094] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5094, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./17", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./17", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x555557252730 /* 4 entries */, 32768) = 104 umount2("./17/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./17/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./17/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./17/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./17/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x55555725a770 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555725a770 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./17/bus") = 0 umount2("./17/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./17/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./17/binderfs") = 0 getdents64(3, 0x555557252730 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./17") = 0 mkdir("./18", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5097 attached , child_tidptr=0x555557251690) = 5097 [pid 5097] set_robust_list(0x5555572516a0, 24) = 0 [pid 5097] chdir("./18") = 0 [pid 5097] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5097] setpgid(0, 0) = 0 [pid 5097] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5097] write(3, "1000", 4) = 4 [pid 5097] close(3) = 0 [pid 5097] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5097] futex(0x7f016fef36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5097] rt_sigaction(SIGRT_1, {sa_handler=0x7f016fe90eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f016fe82060}, NULL, 8) = 0 [pid 5097] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5097] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f016fe07000 [pid 5097] mprotect(0x7f016fe08000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5097] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5097] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f016fe27990, parent_tid=0x7f016fe27990, exit_signal=0, stack=0x7f016fe07000, stack_size=0x20300, tls=0x7f016fe276c0}./strace-static-x86_64: Process 5098 attached [pid 5098] rseq(0x7f016fe27fe0, 0x20, 0, 0x53053053 [pid 5097] <... clone3 resumed> => {parent_tid=[5098]}, 88) = 5098 [pid 5098] <... rseq resumed>) = 0 [pid 5097] rt_sigprocmask(SIG_SETMASK, [], [pid 5098] set_robust_list(0x7f016fe279a0, 24 [pid 5097] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5097] futex(0x7f016fef36a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5098] <... set_robust_list resumed>) = 0 [pid 5098] rt_sigprocmask(SIG_SETMASK, [], [pid 5097] <... futex resumed>) = 0 [pid 5098] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5097] futex(0x7f016fef36ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5098] memfd_create("syzkaller", 0) = 3 [pid 5098] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0167a07000 [ 75.109911][ T2447] hfsplus: b-tree write err: -5, ino 8 [pid 5098] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288) = 524288 [pid 5098] munmap(0x7f0167a07000, 524288) = 0 [pid 5098] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5098] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5098] close(3) = 0 [pid 5098] mkdir("./bus", 0777) = 0 [pid 5098] mount("/dev/loop0", "./bus", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK, "") = 0 [pid 5098] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5098] chdir("./bus") = 0 [pid 5098] ioctl(4, LOOP_CLR_FD) = 0 [pid 5098] close(4) = 0 [pid 5098] futex(0x7f016fef36ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5098] futex(0x7f016fef36a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5097] <... futex resumed>) = 0 [pid 5097] futex(0x7f016fef36a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5098] <... futex resumed>) = 0 [pid 5098] rename("./file1", "./bus") = 0 [pid 5098] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5098] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5098] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5098] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5098] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5097] futex(0x7f016fef36bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5097] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5098] rename("./file1", "./bus" [pid 5097] <... mmap resumed>) = 0x7f0167a66000 [pid 5098] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5098] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5097] mprotect(0x7f0167a67000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5098] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5097] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5098] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5097] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5097] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0167a86990, parent_tid=0x7f0167a86990, exit_signal=0, stack=0x7f0167a66000, stack_size=0x20300, tls=0x7f0167a866c0} => {parent_tid=[5099]}, 88) = 5099 ./strace-static-x86_64: Process 5099 attached [pid 5097] rt_sigprocmask(SIG_SETMASK, [], [pid 5099] rseq(0x7f0167a86fe0, 0x20, 0, 0x53053053 [pid 5098] rename("./file1", "./bus" [pid 5097] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5098] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5097] futex(0x7f016fef36b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5098] rename("./file1", "./bus" [pid 5097] <... futex resumed>) = 0 [pid 5098] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5097] futex(0x7f016fef36bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5099] <... rseq resumed>) = 0 [pid 5099] set_robust_list(0x7f0167a869a0, 24) = 0 [pid 5098] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5098] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5098] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5098] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5098] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5098] rename("./file1", "./bus" [pid 5099] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5098] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5099] creat("./file1", 000) = 4 [pid 5098] rename("./file1", "./bus" [pid 5099] creat("./file1", 000 [pid 5098] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5098] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5098] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5098] rename("./file1", "./bus" [pid 5099] <... creat resumed>) = 5 [pid 5099] creat("./file1", 000 [pid 5098] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5098] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5098] rename("./file1", "./bus" [pid 5099] <... creat resumed>) = 6 [pid 5099] creat("./file1", 000 [pid 5098] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5098] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5098] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5098] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5098] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5098] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5098] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5098] rename("./file1", "./bus" [pid 5099] <... creat resumed>) = 7 [pid 5099] creat("./file1", 000 [pid 5098] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5098] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5099] <... creat resumed>) = 8 [pid 5098] rename("./file1", "./bus" [pid 5099] creat("./file1", 000 [pid 5098] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5098] rename("./file1", "./bus" [pid 5099] <... creat resumed>) = 9 [pid 5098] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5098] rename("./file1", "./bus" [pid 5099] creat("./file1", 000 [pid 5098] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5098] rename("./file1", "./bus" [pid 5099] <... creat resumed>) = 10 [pid 5099] creat("./file1", 000 [pid 5098] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5098] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5098] rename("./file1", "./bus" [pid 5099] <... creat resumed>) = 11 [pid 5098] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5099] creat("./file1", 000 [pid 5098] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5099] <... creat resumed>) = 12 [pid 5098] rename("./file1", "./bus" [pid 5099] creat("./file1", 000 [pid 5098] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5099] <... creat resumed>) = 13 [pid 5098] rename("./file1", "./bus" [pid 5099] creat("./file1", 000 [pid 5098] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5099] <... creat resumed>) = 14 [pid 5098] rename("./file1", "./bus" [pid 5099] creat("./file1", 000 [pid 5098] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5098] rename("./file1", "./bus" [pid 5099] <... creat resumed>) = 15 [pid 5098] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5098] rename("./file1", "./bus" [pid 5099] creat("./file1", 000 [pid 5098] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5099] <... creat resumed>) = 16 [pid 5099] creat("./file1", 000 [pid 5098] rename("./file1", "./bus" [pid 5099] <... creat resumed>) = 17 [pid 5098] <... rename resumed>) = -1 ENOENT (No such file or directory) [ 75.172378][ T5098] loop0: detected capacity change from 0 to 1024 [pid 5098] rename("./file1", "./bus" [pid 5099] creat("./file1", 000 [pid 5098] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5099] <... creat resumed>) = 18 [pid 5098] rename("./file1", "./bus" [pid 5099] creat("./file1", 000 [pid 5098] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5098] rename("./file1", "./bus" [pid 5099] <... creat resumed>) = 19 [pid 5099] creat("./file1", 000 [pid 5098] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5098] rename("./file1", "./bus" [pid 5099] <... creat resumed>) = 20 [pid 5099] creat("./file1", 000 [pid 5098] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5099] <... creat resumed>) = 21 [pid 5099] creat("./file1", 000 [pid 5098] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5098] rename("./file1", "./bus" [pid 5099] <... creat resumed>) = 22 [pid 5098] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5098] rename("./file1", "./bus" [pid 5099] creat("./file1", 000 [pid 5098] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5098] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5098] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5098] rename("./file1", "./bus" [pid 5099] <... creat resumed>) = 23 [pid 5099] creat("./file1", 000 [pid 5098] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5098] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5099] <... creat resumed>) = 24 [pid 5098] rename("./file1", "./bus" [pid 5099] creat("./file1", 000 [pid 5098] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5098] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5098] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5098] rename("./file1", "./bus" [pid 5099] <... creat resumed>) = 25 [pid 5099] creat("./file1", 000 [pid 5098] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5098] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5099] <... creat resumed>) = 26 [pid 5098] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5098] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5098] rename("./file1", "./bus" [pid 5099] creat("./file1", 000 [pid 5098] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5098] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5098] futex(0x7f016fef36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5098] futex(0x7f016fef36a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5099] <... creat resumed>) = 27 [pid 5099] creat("./file1", 000) = 28 [pid 5099] creat("./file1", 000) = 29 [pid 5099] creat("./file1", 000) = 30 [pid 5099] creat("./file1", 000) = 31 [pid 5097] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5097] futex(0x7f016fef36bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5099] creat("./file1", 000) = 32 [pid 5099] creat("./file1", 000) = 33 [pid 5099] creat("./file1", 000) = 34 [pid 5099] creat("./file1", 000) = 35 [pid 5099] creat("./file1", 000) = 36 [pid 5099] creat("./file1", 000) = 37 [pid 5099] creat("./file1", 000) = 38 [pid 5099] creat("./file1", 000) = 39 [pid 5099] creat("./file1", 000) = 40 [pid 5099] creat("./file1", 000) = 41 [pid 5099] creat("./file1", 000) = 42 [pid 5099] creat("./file1", 000) = 43 [pid 5099] creat("./file1", 000) = 44 [pid 5099] creat("./file1", 000) = 45 [pid 5099] creat("./file1", 000) = 46 [pid 5099] creat("./file1", 000) = 47 [pid 5099] creat("./file1", 000) = 48 [pid 5099] creat("./file1", 000) = 49 [pid 5099] creat("./file1", 000) = 50 [pid 5099] creat("./file1", 000) = 51 [pid 5099] creat("./file1", 000) = 52 [pid 5099] creat("./file1", 000) = 53 [pid 5099] creat("./file1", 000) = 54 [pid 5099] creat("./file1", 000) = 55 [pid 5099] creat("./file1", 000) = 56 [pid 5099] creat("./file1", 000) = 57 [pid 5099] creat("./file1", 000) = 58 [pid 5099] creat("./file1", 000) = 59 [pid 5099] creat("./file1", 000) = 60 [pid 5099] creat("./file1", 000) = 61 [pid 5099] creat("./file1", 000) = 62 [pid 5099] creat("./file1", 000) = 63 [pid 5099] creat("./file1", 000) = 64 [pid 5099] creat("./file1", 000) = 65 [pid 5099] creat("./file1", 000) = 66 [pid 5099] creat("./file1", 000) = 67 [pid 5099] creat("./file1", 000) = 68 [pid 5099] futex(0x7f016fef36bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5097] exit_group(0 [pid 5099] <... futex resumed>) = 0 [pid 5097] <... exit_group resumed>) = ? [pid 5098] <... futex resumed>) = ? [pid 5099] +++ exited with 0 +++ [pid 5098] +++ exited with 0 +++ [pid 5097] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5097, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./18", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./18", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x555557252730 /* 4 entries */, 32768) = 104 umount2("./18/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./18/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./18/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./18/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./18/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x55555725a770 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555725a770 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./18/bus") = 0 umount2("./18/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./18/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./18/binderfs") = 0 getdents64(3, 0x555557252730 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./18") = 0 mkdir("./19", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5100 attached [pid 5100] set_robust_list(0x5555572516a0, 24) = 0 [pid 5100] chdir("./19") = 0 [pid 5100] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5100] setpgid(0, 0) = 0 [pid 5100] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5041] <... clone resumed>, child_tidptr=0x555557251690) = 5100 [pid 5100] <... openat resumed>) = 3 [pid 5100] write(3, "1000", 4) = 4 [pid 5100] close(3) = 0 [pid 5100] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5100] futex(0x7f016fef36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5100] rt_sigaction(SIGRT_1, {sa_handler=0x7f016fe90eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f016fe82060}, NULL, 8) = 0 [pid 5100] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5100] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f016fe07000 [pid 5100] mprotect(0x7f016fe08000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5100] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5100] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f016fe27990, parent_tid=0x7f016fe27990, exit_signal=0, stack=0x7f016fe07000, stack_size=0x20300, tls=0x7f016fe276c0} => {parent_tid=[5101]}, 88) = 5101 [pid 5100] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5100] futex(0x7f016fef36a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 5101 attached [pid 5100] futex(0x7f016fef36ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5101] rseq(0x7f016fe27fe0, 0x20, 0, 0x53053053) = 0 [pid 5101] set_robust_list(0x7f016fe279a0, 24) = 0 [pid 5101] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5101] memfd_create("syzkaller", 0) = 3 [pid 5101] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0167a07000 [pid 5101] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288) = 524288 [pid 5101] munmap(0x7f0167a07000, 524288) = 0 [pid 5101] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 75.300739][ T3119] hfsplus: b-tree write err: -5, ino 8 [pid 5101] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5101] close(3) = 0 [pid 5101] mkdir("./bus", 0777) = 0 [pid 5101] mount("/dev/loop0", "./bus", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK, "") = 0 [pid 5101] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5101] chdir("./bus") = 0 [pid 5101] ioctl(4, LOOP_CLR_FD) = 0 [pid 5101] close(4) = 0 [pid 5101] futex(0x7f016fef36ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5100] <... futex resumed>) = 0 [pid 5101] futex(0x7f016fef36a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5100] futex(0x7f016fef36a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5101] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5100] <... futex resumed>) = 0 [pid 5101] rename("./file1", "./bus" [pid 5100] futex(0x7f016fef36bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5101] <... rename resumed>) = 0 [pid 5100] <... futex resumed>) = 0 [pid 5100] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0167a66000 [pid 5100] mprotect(0x7f0167a67000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5100] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5100] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0167a86990, parent_tid=0x7f0167a86990, exit_signal=0, stack=0x7f0167a66000, stack_size=0x20300, tls=0x7f0167a866c0} [pid 5101] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5101] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5101] rename("./file1", "./bus" [pid 5100] <... clone3 resumed> => {parent_tid=[5102]}, 88) = 5102 [pid 5101] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5100] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5101] rename("./file1", "./bus" [pid 5100] futex(0x7f016fef36b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5101] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5100] <... futex resumed>) = 0 [pid 5100] futex(0x7f016fef36bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5101] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5101] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5101] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5101] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5101] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5101] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5101] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5101] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) ./strace-static-x86_64: Process 5102 attached [pid 5102] rseq(0x7f0167a86fe0, 0x20, 0, 0x53053053 [pid 5101] rename("./file1", "./bus" [pid 5102] <... rseq resumed>) = 0 [pid 5102] set_robust_list(0x7f0167a869a0, 24 [pid 5101] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5102] <... set_robust_list resumed>) = 0 [pid 5102] rt_sigprocmask(SIG_SETMASK, [], [pid 5101] rename("./file1", "./bus" [pid 5102] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5101] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5102] creat("./file1", 000 [pid 5101] rename("./file1", "./bus" [pid 5102] <... creat resumed>) = 4 [pid 5102] creat("./file1", 000 [pid 5101] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5101] rename("./file1", "./bus" [pid 5102] <... creat resumed>) = 5 [pid 5102] creat("./file1", 000 [pid 5101] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5102] <... creat resumed>) = 6 [pid 5102] creat("./file1", 000 [pid 5101] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5101] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5101] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5101] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5101] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5101] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5101] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5101] rename("./file1", "./bus" [pid 5102] <... creat resumed>) = 7 [pid 5102] creat("./file1", 000 [pid 5101] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5101] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5101] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5101] rename("./file1", "./bus" [pid 5102] <... creat resumed>) = 8 [pid 5102] creat("./file1", 000) = 9 [pid 5101] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5102] creat("./file1", 000 [pid 5101] rename("./file1", "./bus" [pid 5102] <... creat resumed>) = 10 [pid 5102] creat("./file1", 000 [pid 5101] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5101] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5102] <... creat resumed>) = 11 [pid 5101] rename("./file1", "./bus" [pid 5102] creat("./file1", 000 [pid 5101] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5101] rename("./file1", "./bus" [pid 5102] <... creat resumed>) = 12 [pid 5101] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5101] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5101] rename("./file1", "./bus" [pid 5102] creat("./file1", 000 [pid 5101] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5101] rename("./file1", "./bus" [pid 5102] <... creat resumed>) = 13 [pid 5102] creat("./file1", 000 [pid 5101] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5101] rename("./file1", "./bus" [pid 5102] <... creat resumed>) = 14 [pid 5102] creat("./file1", 000 [pid 5101] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5101] rename("./file1", "./bus" [pid 5102] <... creat resumed>) = 15 [pid 5101] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5101] rename("./file1", "./bus" [pid 5102] creat("./file1", 000 [pid 5101] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5101] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [ 75.349699][ T5101] loop0: detected capacity change from 0 to 1024 [pid 5101] rename("./file1", "./bus" [pid 5102] <... creat resumed>) = 16 [pid 5101] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5101] rename("./file1", "./bus" [pid 5102] creat("./file1", 000 [pid 5101] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5101] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5102] <... creat resumed>) = 17 [pid 5102] creat("./file1", 000 [pid 5101] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5102] <... creat resumed>) = 18 [pid 5101] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5101] rename("./file1", "./bus" [pid 5102] creat("./file1", 000 [pid 5101] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5101] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5101] rename("./file1", "./bus" [pid 5102] <... creat resumed>) = 19 [pid 5101] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5101] rename("./file1", "./bus" [pid 5102] creat("./file1", 000 [pid 5101] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5101] rename("./file1", "./bus" [pid 5102] <... creat resumed>) = 20 [pid 5101] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5101] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5101] rename("./file1", "./bus" [pid 5102] creat("./file1", 000 [pid 5101] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5101] rename("./file1", "./bus" [pid 5102] <... creat resumed>) = 21 [pid 5101] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5101] rename("./file1", "./bus" [pid 5100] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5100] futex(0x7f016fef36bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5100] futex(0x7f016fef36bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5100] futex(0x7f016fef36bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5101] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5101] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5101] rename("./file1", "./bus" [pid 5102] creat("./file1", 000 [pid 5101] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5101] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5101] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5101] rename("./file1", "./bus" [pid 5102] <... creat resumed>) = 22 [pid 5102] creat("./file1", 000) = 23 [pid 5101] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5102] creat("./file1", 000 [pid 5101] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5102] <... creat resumed>) = 24 [pid 5101] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5101] rename("./file1", "./bus" [pid 5102] creat("./file1", 000 [pid 5101] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5101] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5101] rename("./file1", "./bus" [pid 5102] <... creat resumed>) = 25 [pid 5102] creat("./file1", 000 [pid 5101] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5101] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5102] <... creat resumed>) = 26 [pid 5101] rename("./file1", "./bus" [pid 5102] creat("./file1", 000 [pid 5101] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5101] futex(0x7f016fef36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5101] futex(0x7f016fef36a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5102] <... creat resumed>) = 27 [pid 5102] creat("./file1", 000) = 28 [pid 5102] creat("./file1", 000) = 29 [pid 5102] creat("./file1", 000) = 30 [pid 5102] creat("./file1", 000) = 31 [pid 5102] creat("./file1", 000) = 32 [pid 5102] creat("./file1", 000) = 33 [pid 5102] creat("./file1", 000) = 34 [pid 5102] creat("./file1", 000) = 35 [pid 5102] creat("./file1", 000) = 36 [pid 5102] creat("./file1", 000) = 37 [pid 5102] creat("./file1", 000) = 38 [pid 5102] creat("./file1", 000) = 39 [pid 5102] creat("./file1", 000) = 40 [pid 5102] creat("./file1", 000) = 41 [pid 5102] creat("./file1", 000) = 42 [pid 5102] creat("./file1", 000) = 43 [pid 5102] creat("./file1", 000) = 44 [pid 5102] creat("./file1", 000) = 45 [pid 5102] creat("./file1", 000) = 46 [pid 5102] creat("./file1", 000) = 47 [pid 5102] creat("./file1", 000) = 48 [pid 5102] creat("./file1", 000) = 49 [pid 5102] creat("./file1", 000) = 50 [pid 5102] creat("./file1", 000) = 51 [pid 5102] creat("./file1", 000) = 52 [pid 5102] creat("./file1", 000) = 53 [pid 5102] creat("./file1", 000) = 54 [pid 5102] creat("./file1", 000) = 55 [pid 5102] creat("./file1", 000) = 56 [pid 5102] creat("./file1", 000) = 57 [pid 5102] creat("./file1", 000) = 58 [pid 5102] creat("./file1", 000) = 59 [pid 5102] creat("./file1", 000) = 60 [pid 5102] creat("./file1", 000) = 61 [pid 5102] creat("./file1", 000) = 62 [pid 5102] creat("./file1", 000) = 63 [pid 5102] creat("./file1", 000) = 64 [pid 5102] creat("./file1", 000) = 65 [pid 5102] creat("./file1", 000) = 66 [pid 5102] creat("./file1", 000) = 67 [pid 5102] creat("./file1", 000) = 68 [pid 5102] futex(0x7f016fef36bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5102] futex(0x7f016fef36b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5100] exit_group(0) = ? [pid 5101] <... futex resumed>) = ? [pid 5102] <... futex resumed>) = ? [pid 5101] +++ exited with 0 +++ [pid 5102] +++ exited with 0 +++ [pid 5100] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5100, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- umount2("./19", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./19", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x555557252730 /* 4 entries */, 32768) = 104 umount2("./19/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./19/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./19/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./19/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./19/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x55555725a770 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555725a770 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./19/bus") = 0 umount2("./19/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./19/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./19/binderfs") = 0 getdents64(3, 0x555557252730 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./19") = 0 mkdir("./20", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555557251690) = 5103 ./strace-static-x86_64: Process 5103 attached [pid 5103] set_robust_list(0x5555572516a0, 24) = 0 [pid 5103] chdir("./20") = 0 [pid 5103] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5103] setpgid(0, 0) = 0 [pid 5103] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5103] write(3, "1000", 4) = 4 [pid 5103] close(3) = 0 [pid 5103] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5103] futex(0x7f016fef36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5103] rt_sigaction(SIGRT_1, {sa_handler=0x7f016fe90eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f016fe82060}, NULL, 8) = 0 [pid 5103] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5103] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f016fe07000 [pid 5103] mprotect(0x7f016fe08000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5103] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5103] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f016fe27990, parent_tid=0x7f016fe27990, exit_signal=0, stack=0x7f016fe07000, stack_size=0x20300, tls=0x7f016fe276c0}./strace-static-x86_64: Process 5104 attached [pid 5104] rseq(0x7f016fe27fe0, 0x20, 0, 0x53053053) = 0 [pid 5104] set_robust_list(0x7f016fe279a0, 24) = 0 [pid 5104] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5104] futex(0x7f016fef36a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5103] <... clone3 resumed> => {parent_tid=[5104]}, 88) = 5104 [pid 5103] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5103] futex(0x7f016fef36a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5104] <... futex resumed>) = 0 [pid 5104] memfd_create("syzkaller", 0 [pid 5103] <... futex resumed>) = 1 [pid 5103] futex(0x7f016fef36ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5104] <... memfd_create resumed>) = 3 [pid 5104] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0167a07000 [ 75.478218][ T2447] hfsplus: b-tree write err: -5, ino 8 [pid 5104] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288) = 524288 [pid 5104] munmap(0x7f0167a07000, 524288) = 0 [pid 5104] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5104] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5104] close(3) = 0 [pid 5104] mkdir("./bus", 0777) = 0 [pid 5104] mount("/dev/loop0", "./bus", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK, "") = 0 [pid 5104] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5104] chdir("./bus") = 0 [pid 5104] ioctl(4, LOOP_CLR_FD) = 0 [pid 5104] close(4) = 0 [pid 5104] futex(0x7f016fef36ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5103] <... futex resumed>) = 0 [pid 5104] futex(0x7f016fef36a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5103] futex(0x7f016fef36a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5104] <... futex resumed>) = 0 [pid 5104] rename("./file1", "./bus" [pid 5103] futex(0x7f016fef36bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5103] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0167a66000 [pid 5103] mprotect(0x7f0167a67000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5104] <... rename resumed>) = 0 [pid 5104] rename("./file1", "./bus" [pid 5103] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5104] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5103] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0167a86990, parent_tid=0x7f0167a86990, exit_signal=0, stack=0x7f0167a66000, stack_size=0x20300, tls=0x7f0167a866c0} [pid 5104] rename("./file1", "./bus"./strace-static-x86_64: Process 5105 attached ) = -1 ENOENT (No such file or directory) [pid 5105] rseq(0x7f0167a86fe0, 0x20, 0, 0x53053053 [pid 5104] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5105] <... rseq resumed>) = 0 [pid 5104] rename("./file1", "./bus" [pid 5105] set_robust_list(0x7f0167a869a0, 24 [pid 5103] <... clone3 resumed> => {parent_tid=[5105]}, 88) = 5105 [pid 5105] <... set_robust_list resumed>) = 0 [pid 5104] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5103] rt_sigprocmask(SIG_SETMASK, [], [pid 5105] rt_sigprocmask(SIG_SETMASK, [], [pid 5104] rename("./file1", "./bus" [pid 5103] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5105] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5103] futex(0x7f016fef36b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5105] creat("./file1", 000 [pid 5104] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5103] <... futex resumed>) = 0 [pid 5103] futex(0x7f016fef36bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5105] <... creat resumed>) = 4 [pid 5105] creat("./file1", 000 [pid 5104] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5104] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5105] <... creat resumed>) = 5 [pid 5104] rename("./file1", "./bus" [pid 5105] creat("./file1", 000 [pid 5104] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5105] <... creat resumed>) = 6 [pid 5104] rename("./file1", "./bus" [pid 5105] creat("./file1", 000 [pid 5104] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5105] <... creat resumed>) = 7 [pid 5104] rename("./file1", "./bus" [pid 5105] creat("./file1", 000 [pid 5104] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5105] <... creat resumed>) = 8 [pid 5104] rename("./file1", "./bus" [pid 5105] creat("./file1", 000 [pid 5104] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5105] <... creat resumed>) = 9 [pid 5104] rename("./file1", "./bus" [pid 5105] creat("./file1", 000 [pid 5104] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5105] <... creat resumed>) = 10 [pid 5104] rename("./file1", "./bus" [pid 5105] creat("./file1", 000 [pid 5104] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5104] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5104] rename("./file1", "./bus" [pid 5105] <... creat resumed>) = 11 [pid 5105] creat("./file1", 000 [pid 5104] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5104] rename("./file1", "./bus" [pid 5105] <... creat resumed>) = 12 [pid 5104] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5104] rename("./file1", "./bus" [pid 5105] creat("./file1", 000 [pid 5104] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5104] rename("./file1", "./bus" [pid 5105] <... creat resumed>) = 13 [pid 5104] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5105] creat("./file1", 000 [pid 5104] rename("./file1", "./bus" [pid 5105] <... creat resumed>) = 14 [pid 5104] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5105] creat("./file1", 000 [pid 5104] rename("./file1", "./bus" [pid 5105] <... creat resumed>) = 15 [pid 5104] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5105] creat("./file1", 000 [pid 5104] rename("./file1", "./bus" [pid 5105] <... creat resumed>) = 16 [pid 5104] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5105] creat("./file1", 000 [pid 5104] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5104] rename("./file1", "./bus" [pid 5105] <... creat resumed>) = 17 [pid 5104] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5104] rename("./file1", "./bus" [pid 5105] creat("./file1", 000 [pid 5104] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5104] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5104] rename("./file1", "./bus" [pid 5105] <... creat resumed>) = 18 [pid 5105] creat("./file1", 000 [pid 5104] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5104] rename("./file1", "./bus" [pid 5105] <... creat resumed>) = 19 [pid 5104] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5104] rename("./file1", "./bus" [pid 5105] creat("./file1", 000 [pid 5104] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5104] rename("./file1", "./bus" [pid 5105] <... creat resumed>) = 20 [pid 5104] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5104] rename("./file1", "./bus" [pid 5105] creat("./file1", 000 [pid 5104] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5104] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5104] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5105] <... creat resumed>) = 21 [pid 5104] rename("./file1", "./bus" [pid 5105] creat("./file1", 000 [pid 5104] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5104] rename("./file1", "./bus" [pid 5105] <... creat resumed>) = 22 [pid 5104] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5104] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5104] rename("./file1", "./bus" [pid 5105] creat("./file1", 000 [pid 5104] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5104] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5104] rename("./file1", "./bus" [pid 5105] <... creat resumed>) = 23 [pid 5104] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5105] creat("./file1", 000 [pid 5104] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5104] rename("./file1", "./bus" [pid 5105] <... creat resumed>) = 24 [pid 5105] creat("./file1", 000 [pid 5104] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5104] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5104] rename("./file1", "./bus" [pid 5105] <... creat resumed>) = 25 [pid 5104] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5104] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5104] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5104] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5104] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5104] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5104] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5104] rename("./file1", "./bus" [pid 5105] creat("./file1", 000 [pid 5104] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5104] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5104] rename("./file1", "./bus" [pid 5105] <... creat resumed>) = 26 [pid 5105] creat("./file1", 000 [pid 5104] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5104] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5105] <... creat resumed>) = 27 [pid 5104] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5104] rename("./file1", "./bus" [pid 5105] creat("./file1", 000 [pid 5104] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5104] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5104] rename("./file1", "./bus" [pid 5105] <... creat resumed>) = 28 [pid 5105] creat("./file1", 000 [pid 5104] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5104] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5104] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [ 75.545269][ T5104] loop0: detected capacity change from 0 to 1024 [pid 5104] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5104] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5104] rename("./file1", "./bus" [pid 5105] <... creat resumed>) = 29 [pid 5105] creat("./file1", 000 [pid 5104] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5104] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5104] rename("./file1", "./bus" [pid 5105] <... creat resumed>) = 30 [pid 5105] creat("./file1", 000 [pid 5104] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5104] rename("./file1", "./bus" [pid 5105] <... creat resumed>) = 31 [pid 5104] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5104] futex(0x7f016fef36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5104] futex(0x7f016fef36a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5105] creat("./file1", 000) = 32 [pid 5105] creat("./file1", 000) = 33 [pid 5105] creat("./file1", 000) = 34 [pid 5105] creat("./file1", 000) = 35 [pid 5105] creat("./file1", 000 [pid 5103] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5103] futex(0x7f016fef36bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 5105] <... creat resumed>) = 36 [pid 5103] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5103] futex(0x7f016fef36bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5103] futex(0x7f016fef36bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5105] creat("./file1", 000) = 37 [pid 5105] creat("./file1", 000) = 38 [pid 5105] creat("./file1", 000) = 39 [pid 5105] creat("./file1", 000) = 40 [pid 5105] creat("./file1", 000) = 41 [pid 5105] creat("./file1", 000) = 42 [pid 5105] creat("./file1", 000) = 43 [pid 5105] creat("./file1", 000) = 44 [pid 5105] creat("./file1", 000) = 45 [pid 5105] creat("./file1", 000) = 46 [pid 5105] creat("./file1", 000) = 47 [pid 5105] creat("./file1", 000) = 48 [pid 5105] creat("./file1", 000) = 49 [pid 5105] creat("./file1", 000) = 50 [pid 5105] creat("./file1", 000) = 51 [pid 5105] creat("./file1", 000) = 52 [pid 5105] creat("./file1", 000) = 53 [pid 5105] creat("./file1", 000) = 54 [pid 5105] creat("./file1", 000) = 55 [pid 5105] creat("./file1", 000) = 56 [pid 5105] creat("./file1", 000) = 57 [pid 5105] creat("./file1", 000) = 58 [pid 5105] creat("./file1", 000) = 59 [pid 5105] creat("./file1", 000) = 60 [pid 5105] creat("./file1", 000) = 61 [pid 5105] creat("./file1", 000) = 62 [pid 5105] creat("./file1", 000) = 63 [pid 5105] creat("./file1", 000) = 64 [pid 5105] creat("./file1", 000) = 65 [pid 5105] creat("./file1", 000) = 66 [pid 5105] creat("./file1", 000) = 67 [pid 5105] creat("./file1", 000) = 68 [pid 5105] futex(0x7f016fef36bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5105] futex(0x7f016fef36b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5103] exit_group(0 [pid 5104] <... futex resumed>) = ? [pid 5105] <... futex resumed>) = ? [pid 5103] <... exit_group resumed>) = ? [pid 5105] +++ exited with 0 +++ [pid 5104] +++ exited with 0 +++ [pid 5103] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5103, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./20", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./20", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x555557252730 /* 4 entries */, 32768) = 104 umount2("./20/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./20/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./20/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./20/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./20/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x55555725a770 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555725a770 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./20/bus") = 0 umount2("./20/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./20/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./20/binderfs") = 0 getdents64(3, 0x555557252730 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./20") = 0 mkdir("./21", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555557251690) = 5106 ./strace-static-x86_64: Process 5106 attached [pid 5106] set_robust_list(0x5555572516a0, 24) = 0 [pid 5106] chdir("./21") = 0 [pid 5106] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5106] setpgid(0, 0) = 0 [pid 5106] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5106] write(3, "1000", 4) = 4 [pid 5106] close(3) = 0 [pid 5106] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5106] futex(0x7f016fef36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5106] rt_sigaction(SIGRT_1, {sa_handler=0x7f016fe90eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f016fe82060}, NULL, 8) = 0 [pid 5106] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5106] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f016fe07000 [pid 5106] mprotect(0x7f016fe08000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5106] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5106] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f016fe27990, parent_tid=0x7f016fe27990, exit_signal=0, stack=0x7f016fe07000, stack_size=0x20300, tls=0x7f016fe276c0}./strace-static-x86_64: Process 5107 attached => {parent_tid=[5107]}, 88) = 5107 [pid 5107] rseq(0x7f016fe27fe0, 0x20, 0, 0x53053053 [pid 5106] rt_sigprocmask(SIG_SETMASK, [], [pid 5107] <... rseq resumed>) = 0 [pid 5106] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5107] set_robust_list(0x7f016fe279a0, 24 [pid 5106] futex(0x7f016fef36a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5107] <... set_robust_list resumed>) = 0 [pid 5106] <... futex resumed>) = 0 [pid 5107] rt_sigprocmask(SIG_SETMASK, [], [pid 5106] futex(0x7f016fef36ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5107] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5107] memfd_create("syzkaller", 0) = 3 [pid 5107] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0167a07000 [pid 5107] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288) = 524288 [pid 5107] munmap(0x7f0167a07000, 524288) = 0 [pid 5107] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 75.651651][ T3119] hfsplus: b-tree write err: -5, ino 8 [pid 5107] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5107] close(3) = 0 [pid 5107] mkdir("./bus", 0777) = 0 [pid 5107] mount("/dev/loop0", "./bus", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK, "") = 0 [pid 5107] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5107] chdir("./bus") = 0 [pid 5107] ioctl(4, LOOP_CLR_FD) = 0 [pid 5107] close(4) = 0 [pid 5107] futex(0x7f016fef36ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5107] futex(0x7f016fef36a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5106] <... futex resumed>) = 0 [pid 5106] futex(0x7f016fef36a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5107] <... futex resumed>) = 0 [pid 5106] <... futex resumed>) = 1 [pid 5107] rename("./file1", "./bus" [pid 5106] futex(0x7f016fef36bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5107] <... rename resumed>) = 0 [pid 5106] <... futex resumed>) = 0 [pid 5107] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5106] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5107] rename("./file1", "./bus" [pid 5106] <... mmap resumed>) = 0x7f0167a66000 [pid 5106] mprotect(0x7f0167a67000, 131072, PROT_READ|PROT_WRITE [pid 5107] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5106] <... mprotect resumed>) = 0 [pid 5106] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5106] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0167a86990, parent_tid=0x7f0167a86990, exit_signal=0, stack=0x7f0167a66000, stack_size=0x20300, tls=0x7f0167a866c0} [pid 5107] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5107] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5107] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5107] rename("./file1", "./bus"./strace-static-x86_64: Process 5108 attached [pid 5106] <... clone3 resumed> => {parent_tid=[5108]}, 88) = 5108 [pid 5108] rseq(0x7f0167a86fe0, 0x20, 0, 0x53053053) = 0 [pid 5107] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5106] rt_sigprocmask(SIG_SETMASK, [], [pid 5108] set_robust_list(0x7f0167a869a0, 24 [pid 5107] rename("./file1", "./bus" [pid 5106] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5108] <... set_robust_list resumed>) = 0 [pid 5108] rt_sigprocmask(SIG_SETMASK, [], [pid 5107] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5106] futex(0x7f016fef36b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5108] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5107] rename("./file1", "./bus" [pid 5106] <... futex resumed>) = 0 [pid 5108] creat("./file1", 000 [pid 5106] futex(0x7f016fef36bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5108] <... creat resumed>) = 4 [pid 5108] creat("./file1", 000 [pid 5107] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5108] <... creat resumed>) = 5 [pid 5107] rename("./file1", "./bus" [pid 5108] creat("./file1", 000 [pid 5107] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5107] rename("./file1", "./bus" [pid 5108] <... creat resumed>) = 6 [pid 5107] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5107] rename("./file1", "./bus" [pid 5108] creat("./file1", 000 [pid 5107] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5107] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5108] <... creat resumed>) = 7 [pid 5107] rename("./file1", "./bus" [pid 5108] creat("./file1", 000 [pid 5107] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5107] rename("./file1", "./bus" [pid 5108] <... creat resumed>) = 8 [pid 5107] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5108] creat("./file1", 000 [pid 5107] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5108] <... creat resumed>) = 9 [pid 5108] creat("./file1", 000 [pid 5107] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5108] <... creat resumed>) = 10 [pid 5107] rename("./file1", "./bus" [pid 5108] creat("./file1", 000 [pid 5107] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5108] <... creat resumed>) = 11 [ 75.704247][ T5107] loop0: detected capacity change from 0 to 1024 [pid 5108] creat("./file1", 000 [pid 5107] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5108] <... creat resumed>) = 12 [pid 5107] rename("./file1", "./bus" [pid 5108] creat("./file1", 000) = 13 [pid 5107] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5108] creat("./file1", 000) = 14 [pid 5107] rename("./file1", "./bus" [pid 5108] creat("./file1", 000 [pid 5107] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5108] <... creat resumed>) = 15 [pid 5107] rename("./file1", "./bus" [pid 5108] creat("./file1", 000 [pid 5107] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5108] <... creat resumed>) = 16 [pid 5107] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5108] creat("./file1", 000 [pid 5107] rename("./file1", "./bus" [pid 5108] <... creat resumed>) = 17 [pid 5107] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5108] creat("./file1", 000) = 18 [pid 5107] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5108] creat("./file1", 000 [pid 5107] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5108] <... creat resumed>) = 19 [pid 5108] creat("./file1", 000) = 20 [pid 5107] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5108] creat("./file1", 000 [pid 5107] rename("./file1", "./bus" [pid 5108] <... creat resumed>) = 21 [pid 5107] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5107] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5108] creat("./file1", 000) = 22 [pid 5107] rename("./file1", "./bus" [pid 5108] creat("./file1", 000) = 23 [pid 5107] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5108] creat("./file1", 000) = 24 [pid 5107] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5108] creat("./file1", 000) = 25 [pid 5107] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5107] rename("./file1", "./bus" [pid 5108] creat("./file1", 000) = 26 [pid 5107] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5108] creat("./file1", 000 [pid 5107] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5108] <... creat resumed>) = 27 [pid 5107] rename("./file1", "./bus" [pid 5108] creat("./file1", 000 [pid 5107] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5108] <... creat resumed>) = 28 [pid 5107] rename("./file1", "./bus" [pid 5108] creat("./file1", 000 [pid 5107] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5107] rename("./file1", "./bus" [pid 5108] <... creat resumed>) = 29 [pid 5107] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5107] rename("./file1", "./bus" [pid 5106] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5108] creat("./file1", 000 [pid 5107] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5107] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5107] rename("./file1", "./bus" [pid 5108] <... creat resumed>) = 30 [pid 5108] creat("./file1", 000 [pid 5107] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5107] rename("./file1", "./bus" [pid 5108] <... creat resumed>) = 31 [pid 5107] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5108] creat("./file1", 000) = 32 [pid 5107] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5108] creat("./file1", 000) = 33 [pid 5107] rename("./file1", "./bus" [pid 5108] creat("./file1", 000 [pid 5107] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5108] <... creat resumed>) = 34 [pid 5107] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5108] creat("./file1", 000) = 35 [pid 5107] rename("./file1", "./bus" [pid 5108] creat("./file1", 000 [pid 5107] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5108] <... creat resumed>) = 36 [pid 5107] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5108] creat("./file1", 000) = 37 [pid 5107] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5108] creat("./file1", 000 [pid 5107] rename("./file1", "./bus" [pid 5108] <... creat resumed>) = 38 [pid 5107] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5108] creat("./file1", 000 [pid 5107] rename("./file1", "./bus" [pid 5108] <... creat resumed>) = 39 [pid 5107] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5107] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5108] creat("./file1", 000) = 40 [pid 5107] rename("./file1", "./bus" [pid 5108] creat("./file1", 000 [pid 5107] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5108] <... creat resumed>) = 41 [pid 5107] rename("./file1", "./bus" [pid 5108] creat("./file1", 000 [pid 5107] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5108] <... creat resumed>) = 42 [pid 5107] rename("./file1", "./bus" [pid 5108] creat("./file1", 000) = 43 [pid 5107] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5107] rename("./file1", "./bus" [pid 5108] creat("./file1", 000) = 44 [pid 5107] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5107] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5108] creat("./file1", 000) = 45 [pid 5107] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5108] creat("./file1", 000) = 46 [pid 5107] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5108] creat("./file1", 000) = 47 [pid 5107] rename("./file1", "./bus" [pid 5108] creat("./file1", 000) = 48 [pid 5107] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5107] rename("./file1", "./bus" [pid 5108] creat("./file1", 000 [pid 5107] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5108] <... creat resumed>) = 49 [pid 5107] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5108] creat("./file1", 000 [pid 5107] rename("./file1", "./bus" [pid 5108] <... creat resumed>) = 50 [pid 5107] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5108] creat("./file1", 000) = 51 [pid 5107] rename("./file1", "./bus" [pid 5108] creat("./file1", 000 [pid 5107] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5108] <... creat resumed>) = 52 [pid 5107] rename("./file1", "./bus" [pid 5108] creat("./file1", 000) = 53 [pid 5107] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5107] rename("./file1", "./bus" [pid 5108] creat("./file1", 000 [pid 5107] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5107] rename("./file1", "./bus" [pid 5108] <... creat resumed>) = 54 [pid 5108] creat("./file1", 000 [pid 5107] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5108] <... creat resumed>) = 55 [pid 5107] futex(0x7f016fef36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5107] futex(0x7f016fef36a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5108] creat("./file1", 000) = 56 [pid 5108] creat("./file1", 000) = 57 [pid 5108] creat("./file1", 000) = 58 [pid 5108] creat("./file1", 000) = 59 [pid 5108] creat("./file1", 000) = 60 [pid 5108] creat("./file1", 000) = 61 [pid 5108] creat("./file1", 000) = 62 [pid 5108] creat("./file1", 000) = 63 [pid 5108] creat("./file1", 000) = 64 [pid 5108] creat("./file1", 000) = 65 [pid 5108] creat("./file1", 000) = 66 [pid 5108] creat("./file1", 000) = 67 [pid 5108] creat("./file1", 000) = 68 [pid 5108] futex(0x7f016fef36bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5106] exit_group(0 [pid 5108] <... futex resumed>) = ? [pid 5107] <... futex resumed>) = ? [pid 5106] <... exit_group resumed>) = ? [pid 5107] +++ exited with 0 +++ [pid 5108] +++ exited with 0 +++ [pid 5106] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5106, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./21", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./21", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x555557252730 /* 4 entries */, 32768) = 104 umount2("./21/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./21/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./21/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./21/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./21/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x55555725a770 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555725a770 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./21/bus") = 0 umount2("./21/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./21/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./21/binderfs") = 0 getdents64(3, 0x555557252730 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./21") = 0 mkdir("./22", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555557251690) = 5109 ./strace-static-x86_64: Process 5109 attached [pid 5109] set_robust_list(0x5555572516a0, 24) = 0 [pid 5109] chdir("./22") = 0 [pid 5109] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5109] setpgid(0, 0) = 0 [pid 5109] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5109] write(3, "1000", 4) = 4 [pid 5109] close(3) = 0 [pid 5109] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5109] futex(0x7f016fef36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5109] rt_sigaction(SIGRT_1, {sa_handler=0x7f016fe90eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f016fe82060}, NULL, 8) = 0 [pid 5109] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5109] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f016fe07000 [pid 5109] mprotect(0x7f016fe08000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5109] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5109] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f016fe27990, parent_tid=0x7f016fe27990, exit_signal=0, stack=0x7f016fe07000, stack_size=0x20300, tls=0x7f016fe276c0}./strace-static-x86_64: Process 5110 attached => {parent_tid=[5110]}, 88) = 5110 [pid 5109] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5109] futex(0x7f016fef36a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5109] futex(0x7f016fef36ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5110] rseq(0x7f016fe27fe0, 0x20, 0, 0x53053053) = 0 [pid 5110] set_robust_list(0x7f016fe279a0, 24) = 0 [pid 5110] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5110] memfd_create("syzkaller", 0) = 3 [pid 5110] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0167a07000 [pid 5110] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288) = 524288 [pid 5110] munmap(0x7f0167a07000, 524288) = 0 [ 75.849290][ T2447] hfsplus: b-tree write err: -5, ino 8 [pid 5110] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5110] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5110] close(3) = 0 [pid 5110] mkdir("./bus", 0777) = 0 [pid 5110] mount("/dev/loop0", "./bus", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK, "") = 0 [pid 5110] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5110] chdir("./bus") = 0 [pid 5110] ioctl(4, LOOP_CLR_FD) = 0 [pid 5110] close(4) = 0 [pid 5110] futex(0x7f016fef36ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5109] <... futex resumed>) = 0 [pid 5110] futex(0x7f016fef36a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5109] futex(0x7f016fef36a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5110] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5109] <... futex resumed>) = 0 [pid 5110] rename("./file1", "./bus" [pid 5109] futex(0x7f016fef36bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5110] <... rename resumed>) = 0 [pid 5110] rename("./file1", "./bus" [pid 5109] <... futex resumed>) = 0 [pid 5109] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0167a66000 [pid 5109] mprotect(0x7f0167a67000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5109] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5110] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5110] rename("./file1", "./bus" [pid 5109] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5110] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5109] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0167a86990, parent_tid=0x7f0167a86990, exit_signal=0, stack=0x7f0167a66000, stack_size=0x20300, tls=0x7f0167a866c0}./strace-static-x86_64: Process 5111 attached [pid 5110] rename("./file1", "./bus" [pid 5111] rseq(0x7f0167a86fe0, 0x20, 0, 0x53053053 [pid 5110] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5111] <... rseq resumed>) = 0 [pid 5110] rename("./file1", "./bus" [pid 5111] set_robust_list(0x7f0167a869a0, 24 [pid 5109] <... clone3 resumed> => {parent_tid=[5111]}, 88) = 5111 [pid 5111] <... set_robust_list resumed>) = 0 [pid 5110] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5109] rt_sigprocmask(SIG_SETMASK, [], [pid 5111] rt_sigprocmask(SIG_SETMASK, [], [pid 5110] rename("./file1", "./bus" [pid 5111] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5110] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5109] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5111] futex(0x7f016fef36b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5110] rename("./file1", "./bus" [pid 5109] futex(0x7f016fef36b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5111] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5111] creat("./file1", 000 [pid 5110] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5109] <... futex resumed>) = 0 [pid 5110] rename("./file1", "./bus" [pid 5111] <... creat resumed>) = 4 [pid 5109] futex(0x7f016fef36bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5111] creat("./file1", 000 [pid 5110] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5110] rename("./file1", "./bus" [pid 5111] <... creat resumed>) = 5 [pid 5110] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5111] creat("./file1", 000 [pid 5110] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5111] <... creat resumed>) = 6 [pid 5110] rename("./file1", "./bus" [pid 5111] creat("./file1", 000 [pid 5110] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5110] rename("./file1", "./bus" [pid 5111] <... creat resumed>) = 7 [pid 5111] creat("./file1", 000 [pid 5110] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5110] rename("./file1", "./bus" [pid 5111] <... creat resumed>) = 8 [pid 5111] creat("./file1", 000 [pid 5110] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5111] <... creat resumed>) = 9 [pid 5111] creat("./file1", 000 [pid 5110] rename("./file1", "./bus" [pid 5111] <... creat resumed>) = 10 [pid 5110] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5111] creat("./file1", 000 [pid 5110] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5111] <... creat resumed>) = 11 [pid 5110] rename("./file1", "./bus" [pid 5111] creat("./file1", 000 [pid 5110] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5110] rename("./file1", "./bus" [pid 5111] <... creat resumed>) = 12 [pid 5110] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5111] creat("./file1", 000 [pid 5110] rename("./file1", "./bus" [pid 5111] <... creat resumed>) = 13 [pid 5110] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5111] creat("./file1", 000 [pid 5110] rename("./file1", "./bus" [pid 5111] <... creat resumed>) = 14 [pid 5110] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5111] creat("./file1", 000 [pid 5110] rename("./file1", "./bus" [pid 5111] <... creat resumed>) = 15 [pid 5111] creat("./file1", 000 [pid 5110] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5110] rename("./file1", "./bus" [pid 5111] <... creat resumed>) = 16 [pid 5111] creat("./file1", 000 [pid 5110] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5110] rename("./file1", "./bus" [pid 5111] <... creat resumed>) = 17 [pid 5111] creat("./file1", 000) = 18 [pid 5111] creat("./file1", 000) = 19 [pid 5110] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5110] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5110] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5110] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5110] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5110] rename("./file1", "./bus" [pid 5111] creat("./file1", 000 [pid 5110] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5110] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5110] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5110] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5110] rename("./file1", "./bus" [pid 5111] <... creat resumed>) = 20 [pid 5111] creat("./file1", 000 [pid 5110] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5110] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5111] <... creat resumed>) = 21 [pid 5110] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5110] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5110] rename("./file1", "./bus" [pid 5111] creat("./file1", 000 [pid 5110] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5110] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5110] rename("./file1", "./bus" [pid 5111] <... creat resumed>) = 22 [pid 5110] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5110] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5110] rename("./file1", "./bus" [pid 5111] creat("./file1", 000 [pid 5110] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5110] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5110] rename("./file1", "./bus" [pid 5111] <... creat resumed>) = 23 [pid 5110] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5110] rename("./file1", "./bus" [pid 5111] creat("./file1", 000 [pid 5110] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5110] rename("./file1", "./bus" [pid 5111] <... creat resumed>) = 24 [pid 5110] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5110] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5111] creat("./file1", 000 [pid 5110] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5110] rename("./file1", "./bus" [pid 5111] <... creat resumed>) = 25 [pid 5110] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5110] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5110] rename("./file1", "./bus" [pid 5111] creat("./file1", 000 [pid 5110] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5110] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5111] <... creat resumed>) = 26 [pid 5110] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5110] rename("./file1", "./bus" [pid 5111] creat("./file1", 000 [pid 5110] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5110] rename("./file1", "./bus" [pid 5111] <... creat resumed>) = 27 [pid 5110] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5110] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5110] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5111] creat("./file1", 000 [pid 5110] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5110] rename("./file1", "./bus" [pid 5111] <... creat resumed>) = 28 [pid 5110] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5110] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5110] rename("./file1", "./bus" [pid 5111] creat("./file1", 000 [pid 5110] <... rename resumed>) = -1 ENOENT (No such file or directory) [ 75.907356][ T5110] loop0: detected capacity change from 0 to 1024 [pid 5110] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5110] rename("./file1", "./bus" [pid 5111] <... creat resumed>) = 29 [pid 5111] creat("./file1", 000 [pid 5110] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5110] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5110] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5110] rename("./file1", "./bus" [pid 5111] <... creat resumed>) = 30 [pid 5110] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5111] creat("./file1", 000 [pid 5110] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5111] <... creat resumed>) = 31 [pid 5110] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5110] futex(0x7f016fef36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5110] futex(0x7f016fef36a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5111] creat("./file1", 000) = 32 [pid 5111] creat("./file1", 000) = 33 [pid 5111] creat("./file1", 000) = 34 [pid 5111] creat("./file1", 000) = 35 [pid 5111] creat("./file1", 000) = 36 [pid 5111] creat("./file1", 000) = 37 [pid 5111] creat("./file1", 000) = 38 [pid 5111] creat("./file1", 000) = 39 [pid 5111] creat("./file1", 000) = 40 [pid 5111] creat("./file1", 000 [pid 5109] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5111] <... creat resumed>) = 41 [pid 5111] creat("./file1", 000) = 42 [pid 5111] creat("./file1", 000) = 43 [pid 5111] creat("./file1", 000) = 44 [pid 5111] creat("./file1", 000) = 45 [pid 5111] creat("./file1", 000) = 46 [pid 5111] creat("./file1", 000) = 47 [pid 5111] creat("./file1", 000) = 48 [pid 5111] creat("./file1", 000) = 49 [pid 5111] creat("./file1", 000) = 50 [pid 5111] creat("./file1", 000) = 51 [pid 5111] creat("./file1", 000) = 52 [pid 5111] creat("./file1", 000) = 53 [pid 5111] creat("./file1", 000) = 54 [pid 5111] creat("./file1", 000) = 55 [pid 5111] creat("./file1", 000) = 56 [pid 5111] creat("./file1", 000) = 57 [pid 5111] creat("./file1", 000) = 58 [pid 5111] creat("./file1", 000) = 59 [pid 5111] creat("./file1", 000) = 60 [pid 5111] creat("./file1", 000) = 61 [pid 5111] creat("./file1", 000) = 62 [pid 5111] creat("./file1", 000) = 63 [pid 5111] creat("./file1", 000) = 64 [pid 5111] creat("./file1", 000) = 65 [pid 5111] creat("./file1", 000) = 66 [pid 5111] creat("./file1", 000) = 67 [pid 5111] creat("./file1", 000) = 68 [pid 5111] futex(0x7f016fef36bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5111] futex(0x7f016fef36b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5109] exit_group(0 [pid 5111] <... futex resumed>) = ? [pid 5110] <... futex resumed>) = ? [pid 5109] <... exit_group resumed>) = ? [pid 5110] +++ exited with 0 +++ [pid 5111] +++ exited with 0 +++ [pid 5109] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5109, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- umount2("./22", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./22", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x555557252730 /* 4 entries */, 32768) = 104 umount2("./22/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./22/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./22/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./22/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./22/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x55555725a770 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555725a770 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./22/bus") = 0 umount2("./22/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./22/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./22/binderfs") = 0 getdents64(3, 0x555557252730 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./22") = 0 mkdir("./23", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555557251690) = 5112 ./strace-static-x86_64: Process 5112 attached [pid 5112] set_robust_list(0x5555572516a0, 24) = 0 [pid 5112] chdir("./23") = 0 [pid 5112] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5112] setpgid(0, 0) = 0 [pid 5112] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5112] write(3, "1000", 4) = 4 [pid 5112] close(3) = 0 [pid 5112] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5112] futex(0x7f016fef36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5112] rt_sigaction(SIGRT_1, {sa_handler=0x7f016fe90eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f016fe82060}, NULL, 8) = 0 [pid 5112] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5112] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f016fe07000 [pid 5112] mprotect(0x7f016fe08000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5112] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5112] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f016fe27990, parent_tid=0x7f016fe27990, exit_signal=0, stack=0x7f016fe07000, stack_size=0x20300, tls=0x7f016fe276c0} => {parent_tid=[5113]}, 88) = 5113 [pid 5112] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5112] futex(0x7f016fef36a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5112] futex(0x7f016fef36ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5113 attached [pid 5113] rseq(0x7f016fe27fe0, 0x20, 0, 0x53053053) = 0 [pid 5113] set_robust_list(0x7f016fe279a0, 24) = 0 [pid 5113] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5113] memfd_create("syzkaller", 0) = 3 [pid 5113] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0167a07000 [pid 5113] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288) = 524288 [pid 5113] munmap(0x7f0167a07000, 524288) = 0 [pid 5113] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 76.011358][ T2447] hfsplus: b-tree write err: -5, ino 8 [pid 5113] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5113] close(3) = 0 [pid 5113] mkdir("./bus", 0777) = 0 [pid 5113] mount("/dev/loop0", "./bus", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK, "") = 0 [pid 5113] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5113] chdir("./bus") = 0 [pid 5113] ioctl(4, LOOP_CLR_FD) = 0 [pid 5113] close(4) = 0 [pid 5113] futex(0x7f016fef36ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5112] <... futex resumed>) = 0 [pid 5113] futex(0x7f016fef36a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5112] futex(0x7f016fef36a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5113] <... futex resumed>) = 0 [pid 5113] rename("./file1", "./bus") = 0 [pid 5113] rename("./file1", "./bus" [pid 5112] <... futex resumed>) = 1 [pid 5113] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5113] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5113] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5112] futex(0x7f016fef36bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5113] rename("./file1", "./bus" [pid 5112] <... futex resumed>) = 0 [pid 5113] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5112] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5113] rename("./file1", "./bus" [pid 5112] <... mmap resumed>) = 0x7f0167a66000 [pid 5112] mprotect(0x7f0167a67000, 131072, PROT_READ|PROT_WRITE [pid 5113] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5112] <... mprotect resumed>) = 0 [pid 5113] rename("./file1", "./bus" [pid 5112] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5112] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0167a86990, parent_tid=0x7f0167a86990, exit_signal=0, stack=0x7f0167a66000, stack_size=0x20300, tls=0x7f0167a866c0} [pid 5113] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5113] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5113] rename("./file1", "./bus"./strace-static-x86_64: Process 5114 attached [pid 5112] <... clone3 resumed> => {parent_tid=[5114]}, 88) = 5114 [pid 5114] rseq(0x7f0167a86fe0, 0x20, 0, 0x53053053 [pid 5112] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5114] <... rseq resumed>) = 0 [pid 5112] futex(0x7f016fef36b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5113] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5113] rename("./file1", "./bus" [pid 5112] <... futex resumed>) = 0 [pid 5114] set_robust_list(0x7f0167a869a0, 24 [pid 5112] futex(0x7f016fef36bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5114] <... set_robust_list resumed>) = 0 [pid 5114] rt_sigprocmask(SIG_SETMASK, [], [pid 5113] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5114] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5114] creat("./file1", 000 [pid 5113] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5113] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5113] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5113] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5114] <... creat resumed>) = 4 [pid 5113] rename("./file1", "./bus" [pid 5114] creat("./file1", 000 [pid 5113] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5114] <... creat resumed>) = 5 [pid 5113] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5114] creat("./file1", 000) = 6 [pid 5113] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5114] creat("./file1", 000) = 7 [pid 5113] rename("./file1", "./bus" [pid 5114] creat("./file1", 000 [pid 5113] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5114] <... creat resumed>) = 8 [pid 5114] creat("./file1", 000 [pid 5113] rename("./file1", "./bus" [pid 5114] <... creat resumed>) = 9 [pid 5114] creat("./file1", 000 [pid 5113] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5113] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5114] <... creat resumed>) = 10 [pid 5114] creat("./file1", 000 [pid 5113] rename("./file1", "./bus" [pid 5114] <... creat resumed>) = 11 [pid 5113] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5114] creat("./file1", 000) = 12 [pid 5113] rename("./file1", "./bus" [pid 5114] creat("./file1", 000 [pid 5113] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5114] <... creat resumed>) = 13 [pid 5113] rename("./file1", "./bus" [pid 5114] creat("./file1", 000) = 14 [pid 5114] creat("./file1", 000 [pid 5113] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5113] rename("./file1", "./bus" [pid 5114] <... creat resumed>) = 15 [pid 5113] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5114] creat("./file1", 000) = 16 [pid 5114] creat("./file1", 000 [pid 5113] rename("./file1", "./bus" [pid 5114] <... creat resumed>) = 17 [pid 5113] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5114] creat("./file1", 000) = 18 [pid 5114] creat("./file1", 000 [pid 5113] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5114] <... creat resumed>) = 19 [pid 5114] creat("./file1", 000 [pid 5113] rename("./file1", "./bus" [pid 5114] <... creat resumed>) = 20 [pid 5114] creat("./file1", 000) = 21 [pid 5114] creat("./file1", 000) = 22 [pid 5114] creat("./file1", 000) = 23 [pid 5113] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5114] creat("./file1", 000 [pid 5113] rename("./file1", "./bus" [pid 5114] <... creat resumed>) = 24 [pid 5113] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5113] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5114] creat("./file1", 000 [pid 5113] rename("./file1", "./bus" [pid 5114] <... creat resumed>) = 25 [pid 5113] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5114] creat("./file1", 000) = 26 [pid 5113] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5114] creat("./file1", 000 [pid 5113] rename("./file1", "./bus" [pid 5114] <... creat resumed>) = 27 [pid 5113] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5113] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5114] creat("./file1", 000) = 28 [pid 5113] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5114] creat("./file1", 000) = 29 [pid 5113] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5113] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5114] creat("./file1", 000) = 30 [ 76.070651][ T5113] loop0: detected capacity change from 0 to 1024 [pid 5114] creat("./file1", 000) = 31 [pid 5113] rename("./file1", "./bus" [pid 5114] creat("./file1", 000 [pid 5113] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5113] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5114] <... creat resumed>) = 32 [pid 5113] rename("./file1", "./bus" [pid 5114] creat("./file1", 000 [pid 5113] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5114] <... creat resumed>) = 33 [pid 5113] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5114] creat("./file1", 000) = 34 [pid 5113] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5114] creat("./file1", 000 [pid 5113] rename("./file1", "./bus" [pid 5114] <... creat resumed>) = 35 [pid 5113] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5113] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5114] creat("./file1", 000 [pid 5113] rename("./file1", "./bus" [pid 5114] <... creat resumed>) = 36 [pid 5113] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5114] creat("./file1", 000) = 37 [pid 5113] rename("./file1", "./bus" [pid 5112] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5114] creat("./file1", 000) = 38 [pid 5113] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5113] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5114] creat("./file1", 000) = 39 [pid 5113] rename("./file1", "./bus" [pid 5114] creat("./file1", 000 [pid 5113] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5114] <... creat resumed>) = 40 [pid 5114] creat("./file1", 000) = 41 [pid 5113] rename("./file1", "./bus" [pid 5114] creat("./file1", 000) = 42 [pid 5113] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5114] creat("./file1", 000 [pid 5113] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5114] <... creat resumed>) = 43 [pid 5113] rename("./file1", "./bus" [pid 5114] creat("./file1", 000) = 44 [pid 5113] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5114] creat("./file1", 000) = 45 [pid 5113] rename("./file1", "./bus" [pid 5114] creat("./file1", 000 [pid 5113] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5114] <... creat resumed>) = 46 [pid 5113] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5114] creat("./file1", 000 [pid 5113] rename("./file1", "./bus" [pid 5114] <... creat resumed>) = 47 [pid 5113] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5113] rename("./file1", "./bus" [pid 5114] creat("./file1", 000 [pid 5113] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5114] <... creat resumed>) = 48 [pid 5113] rename("./file1", "./bus" [pid 5114] creat("./file1", 000 [pid 5113] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5113] rename("./file1", "./bus" [pid 5114] <... creat resumed>) = 49 [pid 5114] creat("./file1", 000) = 50 [pid 5114] creat("./file1", 000 [pid 5113] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5113] rename("./file1", "./bus" [pid 5114] <... creat resumed>) = 51 [pid 5114] creat("./file1", 000) = 52 [pid 5114] creat("./file1", 000 [pid 5113] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5114] <... creat resumed>) = 53 [pid 5113] rename("./file1", "./bus" [pid 5114] creat("./file1", 000 [pid 5113] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5113] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5113] rename("./file1", "./bus" [pid 5114] <... creat resumed>) = 54 [pid 5114] creat("./file1", 000 [pid 5113] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5114] <... creat resumed>) = 55 [pid 5113] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5114] creat("./file1", 000 [pid 5113] rename("./file1", "./bus" [pid 5114] <... creat resumed>) = 56 [pid 5113] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5113] rename("./file1", "./bus" [pid 5114] creat("./file1", 000 [pid 5113] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5113] rename("./file1", "./bus" [pid 5114] <... creat resumed>) = 57 [pid 5113] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5114] creat("./file1", 000 [pid 5113] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5113] futex(0x7f016fef36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5113] futex(0x7f016fef36a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5114] <... creat resumed>) = 58 [pid 5114] creat("./file1", 000) = 59 [pid 5114] creat("./file1", 000) = 60 [pid 5114] creat("./file1", 000) = 61 [pid 5114] creat("./file1", 000) = 62 [pid 5114] creat("./file1", 000) = 63 [pid 5114] creat("./file1", 000) = 64 [pid 5114] creat("./file1", 000) = 65 [pid 5114] creat("./file1", 000) = 66 [pid 5114] creat("./file1", 000) = 67 [pid 5114] creat("./file1", 000) = 68 [pid 5114] futex(0x7f016fef36bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5114] futex(0x7f016fef36b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5112] exit_group(0 [pid 5114] <... futex resumed>) = ? [pid 5113] <... futex resumed>) = ? [pid 5112] <... exit_group resumed>) = ? [pid 5114] +++ exited with 0 +++ [pid 5113] +++ exited with 0 +++ [pid 5112] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5112, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- umount2("./23", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./23", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x555557252730 /* 4 entries */, 32768) = 104 umount2("./23/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./23/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./23/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./23/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./23/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x55555725a770 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555725a770 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./23/bus") = 0 umount2("./23/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./23/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./23/binderfs") = 0 getdents64(3, 0x555557252730 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./23") = 0 mkdir("./24", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5115 attached , child_tidptr=0x555557251690) = 5115 [pid 5115] set_robust_list(0x5555572516a0, 24) = 0 [pid 5115] chdir("./24") = 0 [pid 5115] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5115] setpgid(0, 0) = 0 [pid 5115] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5115] write(3, "1000", 4) = 4 [pid 5115] close(3) = 0 [pid 5115] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5115] futex(0x7f016fef36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5115] rt_sigaction(SIGRT_1, {sa_handler=0x7f016fe90eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f016fe82060}, NULL, 8) = 0 [pid 5115] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5115] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f016fe07000 [pid 5115] mprotect(0x7f016fe08000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5115] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5115] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f016fe27990, parent_tid=0x7f016fe27990, exit_signal=0, stack=0x7f016fe07000, stack_size=0x20300, tls=0x7f016fe276c0}./strace-static-x86_64: Process 5116 attached => {parent_tid=[5116]}, 88) = 5116 [pid 5115] rt_sigprocmask(SIG_SETMASK, [], [pid 5116] rseq(0x7f016fe27fe0, 0x20, 0, 0x53053053) = 0 [pid 5116] set_robust_list(0x7f016fe279a0, 24) = 0 [pid 5116] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5115] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5116] futex(0x7f016fef36a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5115] futex(0x7f016fef36a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5116] <... futex resumed>) = 0 [pid 5115] <... futex resumed>) = 1 [pid 5115] futex(0x7f016fef36ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5116] memfd_create("syzkaller", 0) = 3 [pid 5116] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0167a07000 [pid 5116] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288) = 524288 [ 76.181141][ T2447] hfsplus: b-tree write err: -5, ino 8 [pid 5116] munmap(0x7f0167a07000, 524288) = 0 [pid 5116] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5116] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5116] close(3) = 0 [pid 5116] mkdir("./bus", 0777) = 0 [pid 5116] mount("/dev/loop0", "./bus", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK, "") = 0 [pid 5116] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5116] chdir("./bus") = 0 [pid 5116] ioctl(4, LOOP_CLR_FD) = 0 [pid 5116] close(4) = 0 [pid 5116] futex(0x7f016fef36ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5116] futex(0x7f016fef36a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5115] <... futex resumed>) = 0 [pid 5115] futex(0x7f016fef36a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5116] <... futex resumed>) = 0 [pid 5115] futex(0x7f016fef36bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5116] rename("./file1", "./bus" [pid 5115] <... futex resumed>) = 0 [pid 5115] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0167a66000 [pid 5116] <... rename resumed>) = 0 [pid 5115] mprotect(0x7f0167a67000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5116] rename("./file1", "./bus" [pid 5115] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5116] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5116] rename("./file1", "./bus" [pid 5115] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0167a86990, parent_tid=0x7f0167a86990, exit_signal=0, stack=0x7f0167a66000, stack_size=0x20300, tls=0x7f0167a866c0} [pid 5116] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5116] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5116] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) ./strace-static-x86_64: Process 5117 attached [pid 5115] <... clone3 resumed> => {parent_tid=[5117]}, 88) = 5117 [pid 5116] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5117] rseq(0x7f0167a86fe0, 0x20, 0, 0x53053053 [pid 5115] rt_sigprocmask(SIG_SETMASK, [], [pid 5117] <... rseq resumed>) = 0 [pid 5116] rename("./file1", "./bus" [pid 5115] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5117] set_robust_list(0x7f0167a869a0, 24) = 0 [pid 5116] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5115] futex(0x7f016fef36b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5117] rt_sigprocmask(SIG_SETMASK, [], [pid 5116] rename("./file1", "./bus" [pid 5117] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5115] <... futex resumed>) = 0 [pid 5117] creat("./file1", 000 [pid 5116] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5115] futex(0x7f016fef36bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5117] <... creat resumed>) = 4 [pid 5116] rename("./file1", "./bus" [pid 5117] creat("./file1", 000 [pid 5116] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5117] <... creat resumed>) = 5 [pid 5116] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5117] creat("./file1", 000) = 6 [pid 5116] rename("./file1", "./bus" [pid 5117] creat("./file1", 000 [pid 5116] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5116] rename("./file1", "./bus" [pid 5117] <... creat resumed>) = 7 [pid 5116] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5117] creat("./file1", 000) = 8 [pid 5116] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5116] rename("./file1", "./bus" [pid 5117] creat("./file1", 000 [pid 5116] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5117] <... creat resumed>) = 9 [pid 5117] creat("./file1", 000 [pid 5116] rename("./file1", "./bus" [pid 5117] <... creat resumed>) = 10 [pid 5116] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5116] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5116] rename("./file1", "./bus" [pid 5117] creat("./file1", 000 [pid 5116] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5116] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5116] rename("./file1", "./bus" [pid 5117] <... creat resumed>) = 11 [pid 5116] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5116] rename("./file1", "./bus" [pid 5117] creat("./file1", 000 [pid 5116] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5116] rename("./file1", "./bus" [pid 5117] <... creat resumed>) = 12 [pid 5117] creat("./file1", 000 [pid 5116] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5117] <... creat resumed>) = 13 [pid 5117] creat("./file1", 000 [pid 5116] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5116] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5116] rename("./file1", "./bus" [pid 5117] <... creat resumed>) = 14 [pid 5116] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5117] creat("./file1", 000 [pid 5116] rename("./file1", "./bus" [pid 5117] <... creat resumed>) = 15 [pid 5117] creat("./file1", 000 [pid 5116] <... rename resumed>) = -1 ENOENT (No such file or directory) [ 76.245690][ T5116] loop0: detected capacity change from 0 to 1024 [pid 5116] rename("./file1", "./bus" [pid 5117] <... creat resumed>) = 16 [pid 5116] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5117] creat("./file1", 000 [pid 5116] rename("./file1", "./bus" [pid 5117] <... creat resumed>) = 17 [pid 5116] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5116] rename("./file1", "./bus" [pid 5117] creat("./file1", 000 [pid 5116] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5116] rename("./file1", "./bus" [pid 5117] <... creat resumed>) = 18 [pid 5116] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5116] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5117] creat("./file1", 000 [pid 5116] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5117] <... creat resumed>) = 19 [pid 5117] creat("./file1", 000 [pid 5116] rename("./file1", "./bus" [pid 5117] <... creat resumed>) = 20 [pid 5116] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5117] creat("./file1", 000 [pid 5116] rename("./file1", "./bus" [pid 5117] <... creat resumed>) = 21 [pid 5116] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5117] creat("./file1", 000 [pid 5116] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5116] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5117] <... creat resumed>) = 22 [pid 5116] rename("./file1", "./bus" [pid 5117] creat("./file1", 000 [pid 5116] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5116] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5116] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5116] rename("./file1", "./bus" [pid 5117] <... creat resumed>) = 23 [pid 5116] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5116] rename("./file1", "./bus" [pid 5117] creat("./file1", 000 [pid 5116] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5116] rename("./file1", "./bus" [pid 5117] <... creat resumed>) = 24 [pid 5116] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5116] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5116] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5116] rename("./file1", "./bus" [pid 5115] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5116] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5117] creat("./file1", 000 [pid 5116] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5117] <... creat resumed>) = 25 [pid 5116] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5116] rename("./file1", "./bus" [pid 5117] creat("./file1", 000 [pid 5116] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5116] rename("./file1", "./bus" [pid 5117] <... creat resumed>) = 26 [pid 5116] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5116] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5116] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5116] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5116] rename("./file1", "./bus" [pid 5117] creat("./file1", 000 [pid 5116] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5116] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5116] rename("./file1", "./bus" [pid 5117] <... creat resumed>) = 27 [pid 5117] creat("./file1", 000 [pid 5116] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5116] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5116] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5116] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5116] rename("./file1", "./bus" [pid 5117] <... creat resumed>) = 28 [pid 5116] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5116] rename("./file1", "./bus" [pid 5117] creat("./file1", 000 [pid 5116] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5116] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5116] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5116] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5116] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5116] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5116] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5116] futex(0x7f016fef36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5116] futex(0x7f016fef36a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5117] <... creat resumed>) = 29 [pid 5117] creat("./file1", 000) = 30 [pid 5117] creat("./file1", 000) = 31 [pid 5117] creat("./file1", 000) = 32 [pid 5117] creat("./file1", 000) = 33 [pid 5117] creat("./file1", 000) = 34 [pid 5117] creat("./file1", 000) = 35 [pid 5117] creat("./file1", 000) = 36 [pid 5117] creat("./file1", 000) = 37 [pid 5117] creat("./file1", 000) = 38 [pid 5117] creat("./file1", 000) = 39 [pid 5117] creat("./file1", 000) = 40 [pid 5117] creat("./file1", 000) = 41 [pid 5117] creat("./file1", 000) = 42 [pid 5117] creat("./file1", 000) = 43 [pid 5117] creat("./file1", 000) = 44 [pid 5117] creat("./file1", 000) = 45 [pid 5117] creat("./file1", 000) = 46 [pid 5117] creat("./file1", 000) = 47 [pid 5117] creat("./file1", 000) = 48 [pid 5117] creat("./file1", 000) = 49 [pid 5117] creat("./file1", 000) = 50 [pid 5117] creat("./file1", 000) = 51 [pid 5117] creat("./file1", 000) = 52 [pid 5117] creat("./file1", 000) = 53 [pid 5117] creat("./file1", 000) = 54 [pid 5117] creat("./file1", 000) = 55 [pid 5117] creat("./file1", 000) = 56 [pid 5117] creat("./file1", 000) = 57 [pid 5117] creat("./file1", 000) = 58 [pid 5117] creat("./file1", 000) = 59 [pid 5117] creat("./file1", 000) = 60 [pid 5117] creat("./file1", 000) = 61 [pid 5117] creat("./file1", 000) = 62 [pid 5117] creat("./file1", 000) = 63 [pid 5117] creat("./file1", 000) = 64 [pid 5117] creat("./file1", 000) = 65 [pid 5117] creat("./file1", 000) = 66 [pid 5117] creat("./file1", 000) = 67 [pid 5117] creat("./file1", 000) = 68 [pid 5117] futex(0x7f016fef36bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5117] futex(0x7f016fef36b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5115] exit_group(0 [pid 5117] <... futex resumed>) = ? [pid 5116] <... futex resumed>) = ? [pid 5115] <... exit_group resumed>) = ? [pid 5117] +++ exited with 0 +++ [pid 5116] +++ exited with 0 +++ [pid 5115] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5115, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- umount2("./24", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./24", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x555557252730 /* 4 entries */, 32768) = 104 umount2("./24/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./24/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./24/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./24/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./24/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x55555725a770 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555725a770 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./24/bus") = 0 umount2("./24/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./24/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./24/binderfs") = 0 getdents64(3, 0x555557252730 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./24") = 0 mkdir("./25", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555557251690) = 5118 ./strace-static-x86_64: Process 5118 attached [pid 5118] set_robust_list(0x5555572516a0, 24) = 0 [pid 5118] chdir("./25") = 0 [pid 5118] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5118] setpgid(0, 0) = 0 [pid 5118] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5118] write(3, "1000", 4) = 4 [pid 5118] close(3) = 0 [pid 5118] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5118] futex(0x7f016fef36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5118] rt_sigaction(SIGRT_1, {sa_handler=0x7f016fe90eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f016fe82060}, NULL, 8) = 0 [pid 5118] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5118] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f016fe07000 [pid 5118] mprotect(0x7f016fe08000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5118] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5118] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f016fe27990, parent_tid=0x7f016fe27990, exit_signal=0, stack=0x7f016fe07000, stack_size=0x20300, tls=0x7f016fe276c0} => {parent_tid=[5119]}, 88) = 5119 [pid 5118] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5118] futex(0x7f016fef36a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5118] futex(0x7f016fef36ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5119 attached [pid 5119] rseq(0x7f016fe27fe0, 0x20, 0, 0x53053053) = 0 [pid 5119] set_robust_list(0x7f016fe279a0, 24) = 0 [pid 5119] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5119] memfd_create("syzkaller", 0) = 3 [pid 5119] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0167a07000 [pid 5119] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288) = 524288 [pid 5119] munmap(0x7f0167a07000, 524288) = 0 [pid 5119] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 76.373242][ T3119] hfsplus: b-tree write err: -5, ino 8 [pid 5119] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5119] close(3) = 0 [pid 5119] mkdir("./bus", 0777) = 0 [pid 5119] mount("/dev/loop0", "./bus", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK, "") = 0 [pid 5119] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5119] chdir("./bus") = 0 [pid 5119] ioctl(4, LOOP_CLR_FD) = 0 [pid 5119] close(4) = 0 [pid 5119] futex(0x7f016fef36ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5118] <... futex resumed>) = 0 [pid 5119] futex(0x7f016fef36a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5118] futex(0x7f016fef36a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5119] <... futex resumed>) = 0 [pid 5118] <... futex resumed>) = 1 [pid 5119] rename("./file1", "./bus" [pid 5118] futex(0x7f016fef36bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5119] <... rename resumed>) = 0 [pid 5118] <... futex resumed>) = 0 [pid 5118] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0167a66000 [pid 5119] rename("./file1", "./bus" [pid 5118] mprotect(0x7f0167a67000, 131072, PROT_READ|PROT_WRITE [pid 5119] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5118] <... mprotect resumed>) = 0 [pid 5118] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5118] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0167a86990, parent_tid=0x7f0167a86990, exit_signal=0, stack=0x7f0167a66000, stack_size=0x20300, tls=0x7f0167a866c0}./strace-static-x86_64: Process 5120 attached [pid 5119] rename("./file1", "./bus" [pid 5118] <... clone3 resumed> => {parent_tid=[5120]}, 88) = 5120 [pid 5120] rseq(0x7f0167a86fe0, 0x20, 0, 0x53053053 [pid 5119] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5119] rename("./file1", "./bus" [pid 5118] rt_sigprocmask(SIG_SETMASK, [], [pid 5119] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5118] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5120] <... rseq resumed>) = 0 [pid 5119] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5118] futex(0x7f016fef36b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5119] rename("./file1", "./bus" [pid 5118] futex(0x7f016fef36bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5120] set_robust_list(0x7f0167a869a0, 24 [pid 5119] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5120] <... set_robust_list resumed>) = 0 [pid 5120] rt_sigprocmask(SIG_SETMASK, [], [pid 5119] rename("./file1", "./bus" [pid 5120] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5120] creat("./file1", 000 [pid 5119] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5119] rename("./file1", "./bus" [pid 5120] <... creat resumed>) = 4 [pid 5120] creat("./file1", 000 [pid 5119] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5119] rename("./file1", "./bus" [pid 5120] <... creat resumed>) = 5 [pid 5119] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5120] creat("./file1", 000 [pid 5119] rename("./file1", "./bus" [pid 5120] <... creat resumed>) = 6 [pid 5119] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5120] creat("./file1", 000 [pid 5119] rename("./file1", "./bus" [pid 5120] <... creat resumed>) = 7 [pid 5119] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5120] creat("./file1", 000 [pid 5119] rename("./file1", "./bus" [pid 5120] <... creat resumed>) = 8 [pid 5119] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5120] creat("./file1", 000 [pid 5119] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5120] <... creat resumed>) = 9 [pid 5119] rename("./file1", "./bus" [pid 5120] creat("./file1", 000 [pid 5119] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5119] rename("./file1", "./bus" [pid 5120] <... creat resumed>) = 10 [pid 5119] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5120] creat("./file1", 000 [pid 5119] rename("./file1", "./bus" [pid 5120] <... creat resumed>) = 11 [pid 5119] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5120] creat("./file1", 000 [pid 5119] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [ 76.423944][ T5119] loop0: detected capacity change from 0 to 1024 [pid 5119] rename("./file1", "./bus" [pid 5120] <... creat resumed>) = 12 [pid 5119] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5120] creat("./file1", 000 [pid 5119] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5120] <... creat resumed>) = 13 [pid 5119] rename("./file1", "./bus" [pid 5120] creat("./file1", 000 [pid 5119] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5119] rename("./file1", "./bus" [pid 5120] <... creat resumed>) = 14 [pid 5120] creat("./file1", 000) = 15 [pid 5119] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5120] creat("./file1", 000 [pid 5119] rename("./file1", "./bus" [pid 5120] <... creat resumed>) = 16 [pid 5120] creat("./file1", 000 [pid 5119] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5119] rename("./file1", "./bus" [pid 5120] <... creat resumed>) = 17 [pid 5120] creat("./file1", 000 [pid 5119] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5119] rename("./file1", "./bus" [pid 5120] <... creat resumed>) = 18 [pid 5120] creat("./file1", 000) = 19 [pid 5120] creat("./file1", 000 [pid 5119] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5119] rename("./file1", "./bus" [pid 5120] <... creat resumed>) = 20 [pid 5120] creat("./file1", 000 [pid 5119] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5119] rename("./file1", "./bus" [pid 5120] <... creat resumed>) = 21 [pid 5120] creat("./file1", 000) = 22 [pid 5120] creat("./file1", 000 [pid 5119] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5120] <... creat resumed>) = 23 [pid 5119] rename("./file1", "./bus" [pid 5120] creat("./file1", 000) = 24 [pid 5120] creat("./file1", 000) = 25 [pid 5120] creat("./file1", 000 [pid 5119] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5120] <... creat resumed>) = 26 [pid 5119] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5120] creat("./file1", 000 [pid 5119] rename("./file1", "./bus" [pid 5120] <... creat resumed>) = 27 [pid 5120] creat("./file1", 000 [pid 5119] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5120] <... creat resumed>) = 28 [pid 5119] rename("./file1", "./bus" [pid 5120] creat("./file1", 000) = 29 [pid 5119] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5120] creat("./file1", 000 [pid 5119] rename("./file1", "./bus" [pid 5118] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5118] futex(0x7f016fef36bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 5120] <... creat resumed>) = 30 [pid 5118] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5118] futex(0x7f016fef36bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 5120] creat("./file1", 000 [pid 5119] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5118] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5120] <... creat resumed>) = 31 [pid 5119] rename("./file1", "./bus" [pid 5120] creat("./file1", 000 [pid 5119] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5119] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5120] <... creat resumed>) = 32 [pid 5119] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5120] creat("./file1", 000 [pid 5119] rename("./file1", "./bus" [pid 5120] <... creat resumed>) = 33 [pid 5119] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5120] creat("./file1", 000 [pid 5119] rename("./file1", "./bus" [pid 5120] <... creat resumed>) = 34 [pid 5119] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5120] creat("./file1", 000 [pid 5119] rename("./file1", "./bus" [pid 5120] <... creat resumed>) = 35 [pid 5119] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5119] rename("./file1", "./bus" [pid 5120] creat("./file1", 000 [pid 5119] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5120] <... creat resumed>) = 36 [pid 5119] rename("./file1", "./bus" [pid 5120] creat("./file1", 000 [pid 5119] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5120] <... creat resumed>) = 37 [pid 5119] rename("./file1", "./bus" [pid 5120] creat("./file1", 000) = 38 [pid 5120] creat("./file1", 000 [pid 5119] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5119] rename("./file1", "./bus" [pid 5120] <... creat resumed>) = 39 [pid 5120] creat("./file1", 000 [pid 5119] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5120] <... creat resumed>) = 40 [pid 5119] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5120] creat("./file1", 000 [pid 5119] rename("./file1", "./bus" [pid 5120] <... creat resumed>) = 41 [pid 5119] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5120] creat("./file1", 000) = 42 [pid 5119] rename("./file1", "./bus" [pid 5120] creat("./file1", 000) = 43 [pid 5119] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5119] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5120] creat("./file1", 000 [pid 5119] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5120] <... creat resumed>) = 44 [pid 5120] creat("./file1", 000) = 45 [pid 5119] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5119] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5119] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5120] creat("./file1", 000 [pid 5119] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5120] <... creat resumed>) = 46 [pid 5119] rename("./file1", "./bus" [pid 5120] creat("./file1", 000 [pid 5119] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5120] <... creat resumed>) = 47 [pid 5119] rename("./file1", "./bus" [pid 5120] creat("./file1", 000 [pid 5119] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5120] <... creat resumed>) = 48 [pid 5119] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5120] creat("./file1", 000) = 49 [pid 5119] rename("./file1", "./bus" [pid 5120] creat("./file1", 000 [pid 5119] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5120] <... creat resumed>) = 50 [pid 5119] rename("./file1", "./bus" [pid 5120] creat("./file1", 000 [pid 5119] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5120] <... creat resumed>) = 51 [pid 5119] rename("./file1", "./bus" [pid 5120] creat("./file1", 000) = 52 [pid 5119] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5120] creat("./file1", 000 [pid 5119] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5120] <... creat resumed>) = 53 [pid 5119] rename("./file1", "./bus" [pid 5120] creat("./file1", 000 [pid 5119] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5120] <... creat resumed>) = 54 [pid 5119] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5120] creat("./file1", 000) = 55 [pid 5119] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5119] rename("./file1", "./bus" [pid 5120] creat("./file1", 000) = 56 [pid 5119] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5120] creat("./file1", 000 [pid 5119] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5120] <... creat resumed>) = 57 [pid 5120] creat("./file1", 000) = 58 [pid 5119] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5120] creat("./file1", 000 [pid 5119] rename("./file1", "./bus" [pid 5120] <... creat resumed>) = 59 [pid 5119] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5119] rename("./file1", "./bus" [pid 5120] creat("./file1", 000 [pid 5119] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5119] futex(0x7f016fef36ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5120] <... creat resumed>) = 60 [pid 5119] <... futex resumed>) = 0 [pid 5119] futex(0x7f016fef36a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5120] creat("./file1", 000) = 61 [pid 5120] creat("./file1", 000) = 62 [pid 5120] creat("./file1", 000) = 63 [pid 5120] creat("./file1", 000) = 64 [pid 5120] creat("./file1", 000) = 65 [pid 5120] creat("./file1", 000) = 66 [pid 5120] creat("./file1", 000) = 67 [pid 5120] creat("./file1", 000) = 68 [pid 5120] futex(0x7f016fef36bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5120] futex(0x7f016fef36b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5118] exit_group(0 [pid 5120] <... futex resumed>) = ? [pid 5119] <... futex resumed>) = ? [pid 5120] +++ exited with 0 +++ [pid 5119] +++ exited with 0 +++ [pid 5118] <... exit_group resumed>) = ? [pid 5118] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5118, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- umount2("./25", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./25", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x555557252730 /* 4 entries */, 32768) = 104 umount2("./25/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./25/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./25/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./25/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./25/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x55555725a770 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555725a770 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./25/bus") = 0 umount2("./25/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./25/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./25/binderfs") = 0 getdents64(3, 0x555557252730 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./25") = 0 mkdir("./26", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555557251690) = 5121 ./strace-static-x86_64: Process 5121 attached [pid 5121] set_robust_list(0x5555572516a0, 24) = 0 [pid 5121] chdir("./26") = 0 [pid 5121] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5121] setpgid(0, 0) = 0 [pid 5121] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5121] write(3, "1000", 4) = 4 [pid 5121] close(3) = 0 [pid 5121] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5121] futex(0x7f016fef36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5121] rt_sigaction(SIGRT_1, {sa_handler=0x7f016fe90eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f016fe82060}, NULL, 8) = 0 [pid 5121] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5121] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f016fe07000 [pid 5121] mprotect(0x7f016fe08000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5121] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5121] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f016fe27990, parent_tid=0x7f016fe27990, exit_signal=0, stack=0x7f016fe07000, stack_size=0x20300, tls=0x7f016fe276c0}./strace-static-x86_64: Process 5122 attached [pid 5122] rseq(0x7f016fe27fe0, 0x20, 0, 0x53053053 [pid 5121] <... clone3 resumed> => {parent_tid=[5122]}, 88) = 5122 [pid 5122] <... rseq resumed>) = 0 [pid 5121] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5122] set_robust_list(0x7f016fe279a0, 24) = 0 [pid 5121] futex(0x7f016fef36a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5122] rt_sigprocmask(SIG_SETMASK, [], [pid 5121] <... futex resumed>) = 0 [pid 5122] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5121] futex(0x7f016fef36ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5122] memfd_create("syzkaller", 0) = 3 [pid 5122] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0167a07000 [pid 5122] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288) = 524288 [pid 5122] munmap(0x7f0167a07000, 524288) = 0 [pid 5122] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 76.574382][ T3119] hfsplus: b-tree write err: -5, ino 8 [pid 5122] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5122] close(3) = 0 [pid 5122] mkdir("./bus", 0777) = 0 [pid 5122] mount("/dev/loop0", "./bus", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK, "") = 0 [pid 5122] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5122] chdir("./bus") = 0 [pid 5122] ioctl(4, LOOP_CLR_FD) = 0 [pid 5122] close(4) = 0 [pid 5122] futex(0x7f016fef36ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5121] <... futex resumed>) = 0 [pid 5121] futex(0x7f016fef36a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5122] <... futex resumed>) = 1 [pid 5121] <... futex resumed>) = 0 [pid 5122] rename("./file1", "./bus" [pid 5121] futex(0x7f016fef36bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5122] <... rename resumed>) = 0 [pid 5121] <... futex resumed>) = 0 [pid 5121] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0167a66000 [pid 5121] mprotect(0x7f0167a67000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5122] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5121] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5122] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5121] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0167a86990, parent_tid=0x7f0167a86990, exit_signal=0, stack=0x7f0167a66000, stack_size=0x20300, tls=0x7f0167a866c0} [pid 5122] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5121] <... clone3 resumed> => {parent_tid=[5123]}, 88) = 5123 [pid 5122] rename("./file1", "./bus" [pid 5121] rt_sigprocmask(SIG_SETMASK, [], [pid 5122] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5121] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5121] futex(0x7f016fef36b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5122] rename("./file1", "./bus" [pid 5121] futex(0x7f016fef36bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5122] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5122] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5122] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5122] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5122] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5122] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5122] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5122] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5122] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5122] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) ./strace-static-x86_64: Process 5123 attached [pid 5123] rseq(0x7f0167a86fe0, 0x20, 0, 0x53053053) = 0 [pid 5123] set_robust_list(0x7f0167a869a0, 24) = 0 [pid 5123] rt_sigprocmask(SIG_SETMASK, [], [pid 5122] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5123] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5123] creat("./file1", 000 [pid 5122] rename("./file1", "./bus" [pid 5123] <... creat resumed>) = 4 [pid 5123] creat("./file1", 000 [pid 5122] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5123] <... creat resumed>) = 5 [pid 5123] creat("./file1", 000 [pid 5122] rename("./file1", "./bus" [pid 5123] <... creat resumed>) = 6 [pid 5122] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5123] creat("./file1", 000 [pid 5122] rename("./file1", "./bus" [pid 5123] <... creat resumed>) = 7 [pid 5123] creat("./file1", 000 [pid 5122] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5122] rename("./file1", "./bus" [pid 5123] <... creat resumed>) = 8 [pid 5123] creat("./file1", 000 [pid 5122] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5122] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5123] <... creat resumed>) = 9 [pid 5123] creat("./file1", 000 [pid 5122] rename("./file1", "./bus" [pid 5123] <... creat resumed>) = 10 [pid 5122] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5123] creat("./file1", 000 [pid 5122] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5123] <... creat resumed>) = 11 [pid 5122] rename("./file1", "./bus" [pid 5123] creat("./file1", 000 [pid 5122] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5123] <... creat resumed>) = 12 [pid 5123] creat("./file1", 000 [pid 5122] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5122] rename("./file1", "./bus" [pid 5123] <... creat resumed>) = 13 [pid 5123] creat("./file1", 000 [pid 5122] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5123] <... creat resumed>) = 14 [pid 5122] rename("./file1", "./bus" [pid 5123] creat("./file1", 000 [pid 5122] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5122] rename("./file1", "./bus" [pid 5123] <... creat resumed>) = 15 [pid 5122] <... rename resumed>) = -1 ENOENT (No such file or directory) [ 76.625439][ T5122] loop0: detected capacity change from 0 to 1024 [pid 5123] creat("./file1", 000 [pid 5122] rename("./file1", "./bus" [pid 5123] <... creat resumed>) = 16 [pid 5123] creat("./file1", 000 [pid 5122] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5122] rename("./file1", "./bus" [pid 5123] <... creat resumed>) = 17 [pid 5122] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5123] creat("./file1", 000 [pid 5122] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5123] <... creat resumed>) = 18 [pid 5123] creat("./file1", 000 [pid 5122] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5123] <... creat resumed>) = 19 [pid 5123] creat("./file1", 000 [pid 5122] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5123] <... creat resumed>) = 20 [pid 5123] creat("./file1", 000 [pid 5122] rename("./file1", "./bus" [pid 5123] <... creat resumed>) = 21 [pid 5123] creat("./file1", 000 [pid 5122] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5123] <... creat resumed>) = 22 [pid 5122] rename("./file1", "./bus" [pid 5123] creat("./file1", 000) = 23 [pid 5122] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5122] rename("./file1", "./bus" [pid 5123] creat("./file1", 000) = 24 [pid 5123] creat("./file1", 000) = 25 [pid 5123] creat("./file1", 000) = 26 [pid 5123] creat("./file1", 000 [pid 5122] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5122] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5122] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5122] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5122] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5122] rename("./file1", "./bus" [pid 5123] <... creat resumed>) = 27 [pid 5122] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5123] creat("./file1", 000) = 28 [pid 5122] rename("./file1", "./bus" [pid 5121] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5122] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5123] creat("./file1", 000 [pid 5122] rename("./file1", "./bus" [pid 5123] <... creat resumed>) = 29 [pid 5122] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5122] rename("./file1", "./bus" [pid 5123] creat("./file1", 000) = 30 [pid 5122] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5123] creat("./file1", 000 [pid 5122] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5122] rename("./file1", "./bus" [pid 5123] <... creat resumed>) = 31 [pid 5122] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5123] creat("./file1", 000 [pid 5122] rename("./file1", "./bus" [pid 5123] <... creat resumed>) = 32 [pid 5122] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5123] creat("./file1", 000 [pid 5122] rename("./file1", "./bus" [pid 5123] <... creat resumed>) = 33 [pid 5123] creat("./file1", 000) = 34 [pid 5123] creat("./file1", 000 [pid 5122] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5122] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5122] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5123] <... creat resumed>) = 35 [pid 5122] rename("./file1", "./bus" [pid 5123] creat("./file1", 000 [pid 5122] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5122] rename("./file1", "./bus" [pid 5123] <... creat resumed>) = 36 [pid 5122] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5122] rename("./file1", "./bus" [pid 5123] creat("./file1", 000 [pid 5122] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5122] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5122] rename("./file1", "./bus" [pid 5123] <... creat resumed>) = 37 [pid 5123] creat("./file1", 000 [pid 5122] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5122] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5122] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5122] rename("./file1", "./bus" [pid 5123] <... creat resumed>) = 38 [pid 5122] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5122] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5122] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5122] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5122] rename("./file1", "./bus" [pid 5123] creat("./file1", 000 [pid 5122] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5122] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5122] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5122] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5122] futex(0x7f016fef36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5122] futex(0x7f016fef36a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5123] <... creat resumed>) = 39 [pid 5123] creat("./file1", 000) = 40 [pid 5123] creat("./file1", 000) = 41 [pid 5123] creat("./file1", 000) = 42 [pid 5123] creat("./file1", 000) = 43 [pid 5123] creat("./file1", 000) = 44 [pid 5123] creat("./file1", 000) = 45 [pid 5123] creat("./file1", 000) = 46 [pid 5123] creat("./file1", 000) = 47 [pid 5123] creat("./file1", 000) = 48 [pid 5123] creat("./file1", 000) = 49 [pid 5123] creat("./file1", 000) = 50 [pid 5123] creat("./file1", 000) = 51 [pid 5123] creat("./file1", 000) = 52 [pid 5123] creat("./file1", 000) = 53 [pid 5123] creat("./file1", 000) = 54 [pid 5123] creat("./file1", 000) = 55 [pid 5123] creat("./file1", 000) = 56 [pid 5123] creat("./file1", 000) = 57 [pid 5123] creat("./file1", 000) = 58 [pid 5123] creat("./file1", 000) = 59 [pid 5123] creat("./file1", 000) = 60 [pid 5123] creat("./file1", 000) = 61 [pid 5123] creat("./file1", 000) = 62 [pid 5123] creat("./file1", 000) = 63 [pid 5123] creat("./file1", 000) = 64 [pid 5123] creat("./file1", 000) = 65 [pid 5123] creat("./file1", 000) = 66 [pid 5123] creat("./file1", 000) = 67 [pid 5123] creat("./file1", 000) = 68 [pid 5123] futex(0x7f016fef36bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5123] futex(0x7f016fef36b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5121] exit_group(0 [pid 5123] <... futex resumed>) = ? [pid 5123] +++ exited with 0 +++ [pid 5122] <... futex resumed>) = ? [pid 5121] <... exit_group resumed>) = ? [pid 5122] +++ exited with 0 +++ [pid 5121] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5121, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- umount2("./26", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./26", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x555557252730 /* 4 entries */, 32768) = 104 umount2("./26/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./26/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./26/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./26/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./26/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x55555725a770 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555725a770 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./26/bus") = 0 umount2("./26/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./26/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./26/binderfs") = 0 getdents64(3, 0x555557252730 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./26") = 0 mkdir("./27", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555557251690) = 5124 ./strace-static-x86_64: Process 5124 attached [pid 5124] set_robust_list(0x5555572516a0, 24) = 0 [pid 5124] chdir("./27") = 0 [pid 5124] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5124] setpgid(0, 0) = 0 [pid 5124] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5124] write(3, "1000", 4) = 4 [pid 5124] close(3) = 0 [pid 5124] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5124] futex(0x7f016fef36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5124] rt_sigaction(SIGRT_1, {sa_handler=0x7f016fe90eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f016fe82060}, NULL, 8) = 0 [pid 5124] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5124] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f016fe07000 [pid 5124] mprotect(0x7f016fe08000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5124] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5124] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f016fe27990, parent_tid=0x7f016fe27990, exit_signal=0, stack=0x7f016fe07000, stack_size=0x20300, tls=0x7f016fe276c0}./strace-static-x86_64: Process 5125 attached => {parent_tid=[5125]}, 88) = 5125 [pid 5125] rseq(0x7f016fe27fe0, 0x20, 0, 0x53053053) = 0 [pid 5125] set_robust_list(0x7f016fe279a0, 24) = 0 [pid 5125] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5125] futex(0x7f016fef36a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5124] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5124] futex(0x7f016fef36a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5125] <... futex resumed>) = 0 [ 76.752514][ T2447] hfsplus: b-tree write err: -5, ino 8 [pid 5125] memfd_create("syzkaller", 0 [pid 5124] <... futex resumed>) = 1 [pid 5124] futex(0x7f016fef36ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5125] <... memfd_create resumed>) = 3 [pid 5125] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0167a07000 [pid 5125] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288) = 524288 [pid 5125] munmap(0x7f0167a07000, 524288) = 0 [pid 5125] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5125] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5125] close(3) = 0 [pid 5125] mkdir("./bus", 0777) = 0 [pid 5125] mount("/dev/loop0", "./bus", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK, "") = 0 [pid 5125] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5125] chdir("./bus") = 0 [pid 5125] ioctl(4, LOOP_CLR_FD) = 0 [pid 5125] close(4) = 0 [pid 5125] futex(0x7f016fef36ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5124] <... futex resumed>) = 0 [pid 5124] futex(0x7f016fef36a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5124] futex(0x7f016fef36bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5124] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5125] rename("./file1", "./bus" [pid 5124] <... mmap resumed>) = 0x7f0167a66000 [pid 5124] mprotect(0x7f0167a67000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5124] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5124] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0167a86990, parent_tid=0x7f0167a86990, exit_signal=0, stack=0x7f0167a66000, stack_size=0x20300, tls=0x7f0167a866c0}./strace-static-x86_64: Process 5126 attached => {parent_tid=[5126]}, 88) = 5126 [pid 5126] rseq(0x7f0167a86fe0, 0x20, 0, 0x53053053 [pid 5124] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5126] <... rseq resumed>) = 0 [pid 5124] futex(0x7f016fef36b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5126] set_robust_list(0x7f0167a869a0, 24 [pid 5124] <... futex resumed>) = 0 [pid 5126] <... set_robust_list resumed>) = 0 [pid 5124] futex(0x7f016fef36bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5126] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5126] creat("./file1", 000 [pid 5125] <... rename resumed>) = 0 [pid 5125] rename("./file1", "./bus" [pid 5126] <... creat resumed>) = 4 [pid 5126] creat("./file1", 000 [pid 5125] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5125] rename("./file1", "./bus" [pid 5126] <... creat resumed>) = 5 [pid 5125] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5125] rename("./file1", "./bus" [pid 5126] creat("./file1", 000 [pid 5125] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5125] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5125] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5125] rename("./file1", "./bus" [pid 5126] <... creat resumed>) = 6 [pid 5125] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5125] rename("./file1", "./bus" [pid 5126] creat("./file1", 000 [pid 5125] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5125] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5125] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5125] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5125] rename("./file1", "./bus" [pid 5126] <... creat resumed>) = 7 [pid 5126] creat("./file1", 000) = 8 [pid 5125] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5125] rename("./file1", "./bus" [pid 5126] creat("./file1", 000) = 9 [pid 5126] creat("./file1", 000 [pid 5125] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5125] rename("./file1", "./bus" [pid 5126] <... creat resumed>) = 10 [pid 5125] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5126] creat("./file1", 000 [pid 5125] rename("./file1", "./bus" [pid 5126] <... creat resumed>) = 11 [pid 5126] creat("./file1", 000) = 12 [pid 5126] creat("./file1", 000) = 13 [pid 5126] creat("./file1", 000) = 14 [pid 5126] creat("./file1", 000) = 15 [pid 5126] creat("./file1", 000) = 16 [pid 5126] creat("./file1", 000) = 17 [pid 5126] creat("./file1", 000) = 18 [pid 5126] creat("./file1", 000) = 19 [pid 5126] creat("./file1", 000 [pid 5125] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5125] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5125] rename("./file1", "./bus" [pid 5126] <... creat resumed>) = 20 [pid 5126] creat("./file1", 000 [pid 5125] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5125] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5125] rename("./file1", "./bus" [pid 5126] <... creat resumed>) = 21 [pid 5126] creat("./file1", 000 [pid 5125] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5125] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5125] rename("./file1", "./bus" [pid 5126] <... creat resumed>) = 22 [pid 5126] creat("./file1", 000 [pid 5125] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5125] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5125] rename("./file1", "./bus" [pid 5126] <... creat resumed>) = 23 [pid 5126] creat("./file1", 000 [pid 5125] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5125] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5125] rename("./file1", "./bus" [pid 5126] <... creat resumed>) = 24 [pid 5125] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5125] rename("./file1", "./bus" [ 76.813236][ T5125] __do_sys_memfd_create: 17 callbacks suppressed [ 76.813255][ T5125] syz-executor191[5125]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [ 76.839174][ T5125] loop0: detected capacity change from 0 to 1024 [pid 5126] creat("./file1", 000) = 25 [pid 5125] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5126] creat("./file1", 000) = 26 [pid 5126] creat("./file1", 000) = 27 [pid 5126] creat("./file1", 000) = 28 [pid 5126] creat("./file1", 000 [pid 5125] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5126] <... creat resumed>) = 29 [pid 5126] creat("./file1", 000 [pid 5125] rename("./file1", "./bus" [pid 5126] <... creat resumed>) = 30 [pid 5126] creat("./file1", 000 [pid 5125] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5125] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5125] rename("./file1", "./bus" [pid 5126] <... creat resumed>) = 31 [pid 5126] creat("./file1", 000 [pid 5125] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5126] <... creat resumed>) = 32 [pid 5126] creat("./file1", 000 [pid 5125] rename("./file1", "./bus" [pid 5126] <... creat resumed>) = 33 [pid 5125] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5126] creat("./file1", 000 [pid 5125] rename("./file1", "./bus" [pid 5126] <... creat resumed>) = 34 [pid 5125] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5125] rename("./file1", "./bus" [pid 5126] creat("./file1", 000 [pid 5125] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5126] <... creat resumed>) = 35 [pid 5126] creat("./file1", 000) = 36 [pid 5125] rename("./file1", "./bus" [pid 5126] creat("./file1", 000 [pid 5125] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5126] <... creat resumed>) = 37 [pid 5126] creat("./file1", 000 [pid 5124] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5124] futex(0x7f016fef36bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5126] <... creat resumed>) = 38 [pid 5126] creat("./file1", 000 [pid 5125] rename("./file1", "./bus" [pid 5126] <... creat resumed>) = 39 [pid 5125] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5126] creat("./file1", 000 [pid 5125] rename("./file1", "./bus" [pid 5126] <... creat resumed>) = 40 [pid 5125] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5126] creat("./file1", 000 [pid 5125] rename("./file1", "./bus" [pid 5126] <... creat resumed>) = 41 [pid 5125] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5125] rename("./file1", "./bus" [pid 5126] creat("./file1", 000) = 42 [pid 5126] creat("./file1", 000 [pid 5125] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5125] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5126] <... creat resumed>) = 43 [pid 5126] creat("./file1", 000 [pid 5125] rename("./file1", "./bus" [pid 5126] <... creat resumed>) = 44 [pid 5125] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5126] creat("./file1", 000 [pid 5125] rename("./file1", "./bus" [pid 5126] <... creat resumed>) = 45 [pid 5126] creat("./file1", 000 [pid 5125] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5125] rename("./file1", "./bus" [pid 5126] <... creat resumed>) = 46 [pid 5126] creat("./file1", 000) = 47 [pid 5126] creat("./file1", 000 [pid 5125] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5125] rename("./file1", "./bus" [pid 5126] <... creat resumed>) = 48 [pid 5126] creat("./file1", 000 [pid 5125] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5126] <... creat resumed>) = 49 [pid 5125] rename("./file1", "./bus" [pid 5126] creat("./file1", 000) = 50 [pid 5125] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5125] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5125] rename("./file1", "./bus" [pid 5126] creat("./file1", 000) = 51 [pid 5125] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5126] creat("./file1", 000) = 52 [pid 5125] rename("./file1", "./bus" [pid 5126] creat("./file1", 000 [pid 5125] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5126] <... creat resumed>) = 53 [pid 5125] rename("./file1", "./bus" [pid 5126] creat("./file1", 000 [pid 5125] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5126] <... creat resumed>) = 54 [pid 5125] rename("./file1", "./bus" [pid 5126] creat("./file1", 000 [pid 5125] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5126] <... creat resumed>) = 55 [pid 5125] rename("./file1", "./bus" [pid 5126] creat("./file1", 000 [pid 5125] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5125] rename("./file1", "./bus" [pid 5126] <... creat resumed>) = 56 [pid 5126] creat("./file1", 000 [pid 5125] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5125] rename("./file1", "./bus" [pid 5126] <... creat resumed>) = 57 [pid 5126] creat("./file1", 000 [pid 5125] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5125] rename("./file1", "./bus" [pid 5126] <... creat resumed>) = 58 [pid 5126] creat("./file1", 000 [pid 5125] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5125] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5125] rename("./file1", "./bus" [pid 5126] <... creat resumed>) = 59 [pid 5126] creat("./file1", 000 [pid 5125] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5125] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5126] <... creat resumed>) = 60 [pid 5125] rename("./file1", "./bus" [pid 5126] creat("./file1", 000 [pid 5125] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5125] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5125] rename("./file1", "./bus" [pid 5126] <... creat resumed>) = 61 [pid 5126] creat("./file1", 000 [pid 5125] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5125] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5126] <... creat resumed>) = 62 [pid 5125] rename("./file1", "./bus" [pid 5126] creat("./file1", 000 [pid 5125] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5125] rename("./file1", "./bus" [pid 5126] <... creat resumed>) = 63 [pid 5125] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5126] creat("./file1", 000 [pid 5125] rename("./file1", "./bus" [pid 5126] <... creat resumed>) = 64 [pid 5125] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5126] creat("./file1", 000) = 65 [pid 5126] creat("./file1", 000) = 66 [pid 5125] rename("./file1", "./bus" [pid 5126] creat("./file1", 000) = 67 [pid 5125] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5126] creat("./file1", 000) = 68 [pid 5126] futex(0x7f016fef36bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5126] futex(0x7f016fef36b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5125] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5125] futex(0x7f016fef36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5125] futex(0x7f016fef36a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5124] exit_group(0 [pid 5126] <... futex resumed>) = ? [pid 5126] +++ exited with 0 +++ [pid 5125] <... futex resumed>) = ? [pid 5124] <... exit_group resumed>) = ? [pid 5125] +++ exited with 0 +++ [pid 5124] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5124, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- umount2("./27", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./27", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x555557252730 /* 4 entries */, 32768) = 104 umount2("./27/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./27/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./27/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./27/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./27/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x55555725a770 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555725a770 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./27/bus") = 0 umount2("./27/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./27/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./27/binderfs") = 0 getdents64(3, 0x555557252730 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./27") = 0 mkdir("./28", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5127 attached , child_tidptr=0x555557251690) = 5127 [pid 5127] set_robust_list(0x5555572516a0, 24) = 0 [pid 5127] chdir("./28") = 0 [pid 5127] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5127] setpgid(0, 0) = 0 [pid 5127] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [ 76.967944][ T240] hfsplus: b-tree write err: -5, ino 8 [pid 5127] write(3, "1000", 4) = 4 [pid 5127] close(3) = 0 [pid 5127] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5127] futex(0x7f016fef36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5127] rt_sigaction(SIGRT_1, {sa_handler=0x7f016fe90eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f016fe82060}, NULL, 8) = 0 [pid 5127] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5127] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f016fe07000 [pid 5127] mprotect(0x7f016fe08000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5127] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5127] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f016fe27990, parent_tid=0x7f016fe27990, exit_signal=0, stack=0x7f016fe07000, stack_size=0x20300, tls=0x7f016fe276c0}./strace-static-x86_64: Process 5128 attached => {parent_tid=[5128]}, 88) = 5128 [pid 5127] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5127] futex(0x7f016fef36a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5127] futex(0x7f016fef36ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5128] rseq(0x7f016fe27fe0, 0x20, 0, 0x53053053) = 0 [pid 5128] set_robust_list(0x7f016fe279a0, 24) = 0 [pid 5128] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5128] memfd_create("syzkaller", 0) = 3 [pid 5128] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0167a07000 [pid 5128] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288) = 524288 [pid 5128] munmap(0x7f0167a07000, 524288) = 0 [pid 5128] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5128] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5128] close(3) = 0 [pid 5128] mkdir("./bus", 0777) = 0 [pid 5128] mount("/dev/loop0", "./bus", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK, "") = 0 [pid 5128] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5128] chdir("./bus") = 0 [pid 5128] ioctl(4, LOOP_CLR_FD) = 0 [pid 5128] close(4) = 0 [pid 5128] futex(0x7f016fef36ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5127] <... futex resumed>) = 0 [pid 5128] futex(0x7f016fef36a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5127] futex(0x7f016fef36a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5128] <... futex resumed>) = 0 [pid 5128] rename("./file1", "./bus") = 0 [pid 5127] <... futex resumed>) = 1 [pid 5127] futex(0x7f016fef36bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5127] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0167a66000 [pid 5127] mprotect(0x7f0167a67000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5128] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5127] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5127] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0167a86990, parent_tid=0x7f0167a86990, exit_signal=0, stack=0x7f0167a66000, stack_size=0x20300, tls=0x7f0167a866c0} [pid 5128] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5127] <... clone3 resumed> => {parent_tid=[5129]}, 88) = 5129 [pid 5128] rename("./file1", "./bus" [pid 5127] rt_sigprocmask(SIG_SETMASK, [], [pid 5128] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5127] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5127] futex(0x7f016fef36b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5127] futex(0x7f016fef36bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5128] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5128] rename("./file1", "./bus"./strace-static-x86_64: Process 5129 attached [pid 5129] rseq(0x7f0167a86fe0, 0x20, 0, 0x53053053) = 0 [pid 5129] set_robust_list(0x7f0167a869a0, 24) = 0 [pid 5129] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5129] creat("./file1", 000 [pid 5128] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5128] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5128] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5128] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5128] rename("./file1", "./bus" [pid 5129] <... creat resumed>) = 4 [pid 5129] creat("./file1", 000 [pid 5128] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5129] <... creat resumed>) = 5 [pid 5128] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5129] creat("./file1", 000) = 6 [pid 5128] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5129] creat("./file1", 000 [pid 5128] rename("./file1", "./bus" [pid 5129] <... creat resumed>) = 7 [pid 5128] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5129] creat("./file1", 000 [pid 5128] rename("./file1", "./bus" [pid 5129] <... creat resumed>) = 8 [pid 5128] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5128] rename("./file1", "./bus" [pid 5129] creat("./file1", 000 [pid 5128] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5129] <... creat resumed>) = 9 [pid 5128] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5129] creat("./file1", 000 [pid 5128] rename("./file1", "./bus" [pid 5129] <... creat resumed>) = 10 [pid 5128] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5129] creat("./file1", 000 [pid 5128] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5129] <... creat resumed>) = 11 [pid 5128] rename("./file1", "./bus" [pid 5129] creat("./file1", 000 [pid 5128] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5129] <... creat resumed>) = 12 [pid 5128] rename("./file1", "./bus" [pid 5129] creat("./file1", 000 [pid 5128] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5129] <... creat resumed>) = 13 [pid 5128] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5128] rename("./file1", "./bus" [pid 5129] creat("./file1", 000) = 14 [pid 5128] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5128] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5128] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5128] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5128] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5128] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5129] creat("./file1", 000 [pid 5128] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5129] <... creat resumed>) = 15 [pid 5129] creat("./file1", 000 [pid 5128] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5129] <... creat resumed>) = 16 [pid 5129] creat("./file1", 000 [pid 5128] rename("./file1", "./bus" [pid 5129] <... creat resumed>) = 17 [pid 5129] creat("./file1", 000 [pid 5128] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5128] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5128] rename("./file1", "./bus" [pid 5129] <... creat resumed>) = 18 [pid 5129] creat("./file1", 000) = 19 [pid 5129] creat("./file1", 000 [pid 5128] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5128] rename("./file1", "./bus" [pid 5129] <... creat resumed>) = 20 [pid 5128] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5129] creat("./file1", 000 [ 77.022211][ T5128] syz-executor191[5128]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [ 77.043626][ T5128] loop0: detected capacity change from 0 to 1024 [pid 5128] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5129] <... creat resumed>) = 21 [pid 5128] rename("./file1", "./bus" [pid 5129] creat("./file1", 000 [pid 5128] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5128] rename("./file1", "./bus" [pid 5129] <... creat resumed>) = 22 [pid 5129] creat("./file1", 000 [pid 5128] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5128] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5128] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5128] rename("./file1", "./bus" [pid 5129] <... creat resumed>) = 23 [pid 5128] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5128] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5129] creat("./file1", 000 [pid 5128] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5128] rename("./file1", "./bus" [pid 5129] <... creat resumed>) = 24 [pid 5129] creat("./file1", 000 [pid 5128] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5128] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5128] rename("./file1", "./bus" [pid 5129] <... creat resumed>) = 25 [pid 5128] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5128] rename("./file1", "./bus" [pid 5129] creat("./file1", 000 [pid 5128] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5128] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5128] rename("./file1", "./bus" [pid 5127] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5127] futex(0x7f016fef36bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 5128] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5129] <... creat resumed>) = 26 [pid 5128] rename("./file1", "./bus" [pid 5129] creat("./file1", 000 [pid 5127] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5128] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5128] rename("./file1", "./bus" [pid 5129] <... creat resumed>) = 27 [pid 5128] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5129] creat("./file1", 000 [pid 5128] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5128] rename("./file1", "./bus" [pid 5129] <... creat resumed>) = 28 [pid 5128] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5129] creat("./file1", 000 [pid 5128] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5128] rename("./file1", "./bus" [pid 5129] <... creat resumed>) = 29 [pid 5129] creat("./file1", 000 [pid 5128] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5128] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5128] rename("./file1", "./bus" [pid 5129] <... creat resumed>) = 30 [pid 5128] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5128] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5128] rename("./file1", "./bus" [pid 5129] creat("./file1", 000 [pid 5128] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5128] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5129] <... creat resumed>) = 31 [pid 5128] rename("./file1", "./bus" [pid 5129] creat("./file1", 000 [pid 5128] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5129] <... creat resumed>) = 32 [pid 5128] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5129] creat("./file1", 000) = 33 [pid 5128] rename("./file1", "./bus" [pid 5129] creat("./file1", 000 [pid 5128] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5129] <... creat resumed>) = 34 [pid 5128] rename("./file1", "./bus" [pid 5129] creat("./file1", 000 [pid 5128] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5129] <... creat resumed>) = 35 [pid 5128] rename("./file1", "./bus" [pid 5129] creat("./file1", 000 [pid 5128] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5129] <... creat resumed>) = 36 [pid 5128] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5129] creat("./file1", 000) = 37 [pid 5128] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5129] creat("./file1", 000) = 38 [pid 5128] futex(0x7f016fef36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5128] futex(0x7f016fef36a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5129] creat("./file1", 000) = 39 [pid 5129] creat("./file1", 000) = 40 [pid 5129] creat("./file1", 000) = 41 [pid 5129] creat("./file1", 000) = 42 [pid 5129] creat("./file1", 000) = 43 [pid 5129] creat("./file1", 000) = 44 [pid 5129] creat("./file1", 000) = 45 [pid 5129] creat("./file1", 000) = 46 [pid 5129] creat("./file1", 000) = 47 [pid 5129] creat("./file1", 000) = 48 [pid 5129] creat("./file1", 000) = 49 [pid 5129] creat("./file1", 000) = 50 [pid 5129] creat("./file1", 000) = 51 [pid 5129] creat("./file1", 000) = 52 [pid 5129] creat("./file1", 000) = 53 [pid 5129] creat("./file1", 000) = 54 [pid 5129] creat("./file1", 000) = 55 [pid 5129] creat("./file1", 000) = 56 [pid 5129] creat("./file1", 000) = 57 [pid 5129] creat("./file1", 000) = 58 [pid 5129] creat("./file1", 000) = 59 [pid 5129] creat("./file1", 000) = 60 [pid 5129] creat("./file1", 000) = 61 [pid 5129] creat("./file1", 000) = 62 [pid 5129] creat("./file1", 000) = 63 [pid 5129] creat("./file1", 000) = 64 [pid 5129] creat("./file1", 000) = 65 [pid 5129] creat("./file1", 000) = 66 [pid 5129] creat("./file1", 000) = 67 [pid 5129] creat("./file1", 000) = 68 [pid 5129] futex(0x7f016fef36bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5129] futex(0x7f016fef36b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5127] exit_group(0 [pid 5128] <... futex resumed>) = ? [pid 5127] <... exit_group resumed>) = ? [pid 5129] <... futex resumed>) = ? [pid 5128] +++ exited with 0 +++ [pid 5129] +++ exited with 0 +++ [pid 5127] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5127, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- umount2("./28", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./28", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x555557252730 /* 4 entries */, 32768) = 104 umount2("./28/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./28/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./28/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./28/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./28/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x55555725a770 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555725a770 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./28/bus") = 0 umount2("./28/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./28/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./28/binderfs") = 0 getdents64(3, 0x555557252730 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./28") = 0 mkdir("./29", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5130 attached [pid 5130] set_robust_list(0x5555572516a0, 24) = 0 [pid 5130] chdir("./29" [pid 5041] <... clone resumed>, child_tidptr=0x555557251690) = 5130 [pid 5130] <... chdir resumed>) = 0 [pid 5130] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5130] setpgid(0, 0) = 0 [pid 5130] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5130] write(3, "1000", 4) = 4 [pid 5130] close(3) = 0 [pid 5130] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5130] futex(0x7f016fef36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5130] rt_sigaction(SIGRT_1, {sa_handler=0x7f016fe90eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f016fe82060}, NULL, 8) = 0 [pid 5130] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5130] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f016fe07000 [pid 5130] mprotect(0x7f016fe08000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5130] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5130] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f016fe27990, parent_tid=0x7f016fe27990, exit_signal=0, stack=0x7f016fe07000, stack_size=0x20300, tls=0x7f016fe276c0}./strace-static-x86_64: Process 5131 attached => {parent_tid=[5131]}, 88) = 5131 [pid 5131] rseq(0x7f016fe27fe0, 0x20, 0, 0x53053053) = 0 [pid 5130] rt_sigprocmask(SIG_SETMASK, [], [pid 5131] set_robust_list(0x7f016fe279a0, 24 [pid 5130] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5130] futex(0x7f016fef36a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5131] <... set_robust_list resumed>) = 0 [pid 5130] futex(0x7f016fef36ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5131] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [ 77.169439][ T240] hfsplus: b-tree write err: -5, ino 8 [pid 5131] memfd_create("syzkaller", 0) = 3 [pid 5131] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0167a07000 [pid 5131] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288) = 524288 [pid 5131] munmap(0x7f0167a07000, 524288) = 0 [pid 5131] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5131] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5131] close(3) = 0 [pid 5131] mkdir("./bus", 0777) = 0 [pid 5131] mount("/dev/loop0", "./bus", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK, "") = 0 [pid 5131] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5131] chdir("./bus") = 0 [pid 5131] ioctl(4, LOOP_CLR_FD) = 0 [pid 5131] close(4) = 0 [pid 5131] futex(0x7f016fef36ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5130] <... futex resumed>) = 0 [pid 5131] <... futex resumed>) = 1 [pid 5130] futex(0x7f016fef36a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5131] rename("./file1", "./bus" [pid 5130] <... futex resumed>) = 0 [pid 5131] <... rename resumed>) = 0 [pid 5130] futex(0x7f016fef36bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5130] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0167a66000 [pid 5130] mprotect(0x7f0167a67000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5130] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5131] rename("./file1", "./bus" [pid 5130] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0167a86990, parent_tid=0x7f0167a86990, exit_signal=0, stack=0x7f0167a66000, stack_size=0x20300, tls=0x7f0167a866c0} [pid 5131] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5131] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5131] rename("./file1", "./bus" [pid 5130] <... clone3 resumed> => {parent_tid=[5132]}, 88) = 5132 [pid 5131] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5130] rt_sigprocmask(SIG_SETMASK, [], [pid 5131] rename("./file1", "./bus" [pid 5130] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5131] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5130] futex(0x7f016fef36b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5131] rename("./file1", "./bus" [pid 5130] futex(0x7f016fef36bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5131] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5131] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5131] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5131] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5131] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5131] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5131] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5131] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5131] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5131] rename("./file1", "./bus"./strace-static-x86_64: Process 5132 attached [pid 5132] rseq(0x7f0167a86fe0, 0x20, 0, 0x53053053) = 0 [pid 5131] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5132] set_robust_list(0x7f0167a869a0, 24) = 0 [pid 5132] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5131] rename("./file1", "./bus" [pid 5132] creat("./file1", 000 [pid 5131] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5131] rename("./file1", "./bus" [pid 5132] <... creat resumed>) = 4 [pid 5132] creat("./file1", 000 [pid 5131] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5131] rename("./file1", "./bus" [pid 5132] <... creat resumed>) = 5 [pid 5132] creat("./file1", 000 [pid 5131] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5131] rename("./file1", "./bus" [pid 5132] <... creat resumed>) = 6 [pid 5132] creat("./file1", 000 [pid 5131] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5132] <... creat resumed>) = 7 [pid 5132] creat("./file1", 000 [pid 5131] rename("./file1", "./bus" [pid 5132] <... creat resumed>) = 8 [pid 5132] creat("./file1", 000 [pid 5131] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5131] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5131] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5131] rename("./file1", "./bus" [pid 5132] <... creat resumed>) = 9 [pid 5132] creat("./file1", 000) = 10 [pid 5131] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5132] creat("./file1", 000 [pid 5131] rename("./file1", "./bus" [pid 5132] <... creat resumed>) = 11 [pid 5131] <... rename resumed>) = -1 ENOENT (No such file or directory) [ 77.219973][ T5131] syz-executor191[5131]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [ 77.238866][ T5131] loop0: detected capacity change from 0 to 1024 [pid 5132] creat("./file1", 000 [pid 5131] rename("./file1", "./bus" [pid 5132] <... creat resumed>) = 12 [pid 5132] creat("./file1", 000) = 13 [pid 5131] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5132] creat("./file1", 000 [pid 5131] rename("./file1", "./bus" [pid 5132] <... creat resumed>) = 14 [pid 5131] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5131] rename("./file1", "./bus" [pid 5132] creat("./file1", 000 [pid 5131] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5132] <... creat resumed>) = 15 [pid 5131] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5131] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5131] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5131] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5131] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5131] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5131] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5131] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5131] rename("./file1", "./bus" [pid 5132] creat("./file1", 000 [pid 5131] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5132] <... creat resumed>) = 16 [pid 5131] rename("./file1", "./bus" [pid 5132] creat("./file1", 000 [pid 5131] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5131] rename("./file1", "./bus" [pid 5132] <... creat resumed>) = 17 [pid 5132] creat("./file1", 000 [pid 5131] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5131] rename("./file1", "./bus" [pid 5132] <... creat resumed>) = 18 [pid 5132] creat("./file1", 000 [pid 5131] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5131] rename("./file1", "./bus" [pid 5132] <... creat resumed>) = 19 [pid 5132] creat("./file1", 000) = 20 [pid 5131] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5132] creat("./file1", 000 [pid 5131] rename("./file1", "./bus" [pid 5132] <... creat resumed>) = 21 [pid 5131] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5132] creat("./file1", 000 [pid 5131] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5131] rename("./file1", "./bus" [pid 5132] <... creat resumed>) = 22 [pid 5131] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5132] creat("./file1", 000 [pid 5131] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5132] <... creat resumed>) = 23 [pid 5132] creat("./file1", 000 [pid 5131] rename("./file1", "./bus" [pid 5132] <... creat resumed>) = 24 [pid 5131] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5131] rename("./file1", "./bus" [pid 5132] creat("./file1", 000 [pid 5131] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5131] rename("./file1", "./bus" [pid 5132] <... creat resumed>) = 25 [pid 5131] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5131] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5132] creat("./file1", 000 [pid 5131] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5131] rename("./file1", "./bus" [pid 5132] <... creat resumed>) = 26 [pid 5131] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5131] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5131] rename("./file1", "./bus" [pid 5132] creat("./file1", 000 [pid 5131] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5131] rename("./file1", "./bus" [pid 5132] <... creat resumed>) = 27 [pid 5131] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5130] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5131] rename("./file1", "./bus" [pid 5132] creat("./file1", 000 [pid 5131] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5131] rename("./file1", "./bus" [pid 5132] <... creat resumed>) = 28 [pid 5131] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5132] creat("./file1", 000 [pid 5131] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5132] <... creat resumed>) = 29 [pid 5132] creat("./file1", 000 [pid 5131] rename("./file1", "./bus" [pid 5132] <... creat resumed>) = 30 [pid 5131] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5132] creat("./file1", 000 [pid 5131] rename("./file1", "./bus" [pid 5132] <... creat resumed>) = 31 [pid 5131] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5132] creat("./file1", 000 [pid 5131] rename("./file1", "./bus" [pid 5132] <... creat resumed>) = 32 [pid 5131] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5132] creat("./file1", 000 [pid 5131] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5131] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5131] rename("./file1", "./bus" [pid 5132] <... creat resumed>) = 33 [pid 5131] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5131] rename("./file1", "./bus" [pid 5132] creat("./file1", 000 [pid 5131] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5131] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5131] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5131] futex(0x7f016fef36ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5132] <... creat resumed>) = 34 [pid 5131] <... futex resumed>) = 0 [pid 5131] futex(0x7f016fef36a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5132] creat("./file1", 000) = 35 [pid 5132] creat("./file1", 000) = 36 [pid 5132] creat("./file1", 000) = 37 [pid 5132] creat("./file1", 000) = 38 [pid 5132] creat("./file1", 000) = 39 [pid 5132] creat("./file1", 000) = 40 [pid 5132] creat("./file1", 000) = 41 [pid 5132] creat("./file1", 000) = 42 [pid 5132] creat("./file1", 000) = 43 [pid 5132] creat("./file1", 000) = 44 [pid 5132] creat("./file1", 000) = 45 [pid 5132] creat("./file1", 000) = 46 [pid 5132] creat("./file1", 000) = 47 [pid 5132] creat("./file1", 000) = 48 [pid 5132] creat("./file1", 000) = 49 [pid 5132] creat("./file1", 000) = 50 [pid 5132] creat("./file1", 000) = 51 [pid 5132] creat("./file1", 000) = 52 [pid 5132] creat("./file1", 000) = 53 [pid 5132] creat("./file1", 000) = 54 [pid 5132] creat("./file1", 000) = 55 [pid 5132] creat("./file1", 000) = 56 [pid 5132] creat("./file1", 000) = 57 [pid 5132] creat("./file1", 000) = 58 [pid 5132] creat("./file1", 000) = 59 [pid 5132] creat("./file1", 000) = 60 [pid 5132] creat("./file1", 000) = 61 [pid 5132] creat("./file1", 000) = 62 [pid 5132] creat("./file1", 000) = 63 [pid 5132] creat("./file1", 000) = 64 [pid 5132] creat("./file1", 000) = 65 [pid 5132] creat("./file1", 000) = 66 [pid 5132] creat("./file1", 000) = 67 [pid 5132] creat("./file1", 000) = 68 [pid 5132] futex(0x7f016fef36bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5132] futex(0x7f016fef36b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5130] exit_group(0 [pid 5132] <... futex resumed>) = ? [pid 5131] <... futex resumed>) = ? [pid 5130] <... exit_group resumed>) = ? [pid 5132] +++ exited with 0 +++ [pid 5131] +++ exited with 0 +++ [pid 5130] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5130, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- umount2("./29", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./29", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x555557252730 /* 4 entries */, 32768) = 104 umount2("./29/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./29/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./29/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./29/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./29/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x55555725a770 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555725a770 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./29/bus") = 0 umount2("./29/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./29/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./29/binderfs") = 0 getdents64(3, 0x555557252730 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./29") = 0 mkdir("./30", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5133 attached , child_tidptr=0x555557251690) = 5133 [pid 5133] set_robust_list(0x5555572516a0, 24) = 0 [pid 5133] chdir("./30") = 0 [pid 5133] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5133] setpgid(0, 0) = 0 [pid 5133] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5133] write(3, "1000", 4) = 4 [pid 5133] close(3) = 0 [pid 5133] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5133] futex(0x7f016fef36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5133] rt_sigaction(SIGRT_1, {sa_handler=0x7f016fe90eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f016fe82060}, NULL, 8) = 0 [pid 5133] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5133] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f016fe07000 [pid 5133] mprotect(0x7f016fe08000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5133] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5133] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f016fe27990, parent_tid=0x7f016fe27990, exit_signal=0, stack=0x7f016fe07000, stack_size=0x20300, tls=0x7f016fe276c0} => {parent_tid=[5134]}, 88) = 5134 [pid 5133] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5133] futex(0x7f016fef36a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5133] futex(0x7f016fef36ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5134 attached [pid 5134] rseq(0x7f016fe27fe0, 0x20, 0, 0x53053053) = 0 [pid 5134] set_robust_list(0x7f016fe279a0, 24) = 0 [pid 5134] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5134] memfd_create("syzkaller", 0) = 3 [pid 5134] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0167a07000 [pid 5134] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288) = 524288 [pid 5134] munmap(0x7f0167a07000, 524288) = 0 [pid 5134] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 77.362374][ T240] hfsplus: b-tree write err: -5, ino 8 [ 77.396685][ T5134] syz-executor191[5134]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5134] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5134] close(3) = 0 [pid 5134] mkdir("./bus", 0777) = 0 [pid 5134] mount("/dev/loop0", "./bus", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK, "") = 0 [pid 5134] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5134] chdir("./bus") = 0 [pid 5134] ioctl(4, LOOP_CLR_FD) = 0 [pid 5134] close(4) = 0 [pid 5134] futex(0x7f016fef36ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5133] <... futex resumed>) = 0 [pid 5134] futex(0x7f016fef36a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5133] futex(0x7f016fef36a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5134] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5133] <... futex resumed>) = 0 [pid 5134] rename("./file1", "./bus" [pid 5133] futex(0x7f016fef36bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5134] <... rename resumed>) = 0 [pid 5133] <... futex resumed>) = 0 [pid 5134] rename("./file1", "./bus" [pid 5133] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5134] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5133] <... mmap resumed>) = 0x7f0167a66000 [pid 5134] rename("./file1", "./bus" [pid 5133] mprotect(0x7f0167a67000, 131072, PROT_READ|PROT_WRITE [pid 5134] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5133] <... mprotect resumed>) = 0 [pid 5134] rename("./file1", "./bus" [pid 5133] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5134] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5133] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5134] rename("./file1", "./bus" [pid 5133] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0167a86990, parent_tid=0x7f0167a86990, exit_signal=0, stack=0x7f0167a66000, stack_size=0x20300, tls=0x7f0167a866c0}./strace-static-x86_64: Process 5135 attached [pid 5134] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5133] <... clone3 resumed> => {parent_tid=[5135]}, 88) = 5135 [pid 5134] rename("./file1", "./bus" [pid 5133] rt_sigprocmask(SIG_SETMASK, [], [pid 5135] rseq(0x7f0167a86fe0, 0x20, 0, 0x53053053 [pid 5133] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5135] <... rseq resumed>) = 0 [pid 5133] futex(0x7f016fef36b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5135] set_robust_list(0x7f0167a869a0, 24 [pid 5134] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5133] <... futex resumed>) = 0 [pid 5135] <... set_robust_list resumed>) = 0 [pid 5134] rename("./file1", "./bus" [pid 5133] futex(0x7f016fef36bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5135] rt_sigprocmask(SIG_SETMASK, [], [pid 5134] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5135] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5134] rename("./file1", "./bus" [pid 5135] creat("./file1", 000) = 4 [pid 5134] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5135] creat("./file1", 000 [pid 5134] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5134] rename("./file1", "./bus" [pid 5135] <... creat resumed>) = 5 [pid 5134] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5135] creat("./file1", 000 [pid 5134] rename("./file1", "./bus" [pid 5135] <... creat resumed>) = 6 [pid 5134] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5135] creat("./file1", 000) = 7 [pid 5135] creat("./file1", 000) = 8 [pid 5135] creat("./file1", 000) = 9 [pid 5135] creat("./file1", 000 [pid 5134] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5135] <... creat resumed>) = 10 [pid 5134] rename("./file1", "./bus" [pid 5135] creat("./file1", 000 [pid 5134] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5134] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5135] <... creat resumed>) = 11 [pid 5134] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5134] rename("./file1", "./bus" [pid 5135] creat("./file1", 000) = 12 [pid 5134] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5134] rename("./file1", "./bus" [pid 5135] creat("./file1", 000 [pid 5134] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5134] rename("./file1", "./bus" [pid 5135] <... creat resumed>) = 13 [pid 5134] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5134] rename("./file1", "./bus" [pid 5135] creat("./file1", 000 [pid 5134] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5134] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5134] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5134] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5134] rename("./file1", "./bus" [pid 5135] <... creat resumed>) = 14 [pid 5134] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5134] rename("./file1", "./bus" [pid 5135] creat("./file1", 000 [pid 5134] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5134] rename("./file1", "./bus" [pid 5135] <... creat resumed>) = 15 [pid 5134] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5134] rename("./file1", "./bus" [pid 5135] creat("./file1", 000 [pid 5134] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5134] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5134] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5134] rename("./file1", "./bus" [pid 5135] <... creat resumed>) = 16 [pid 5134] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5134] rename("./file1", "./bus" [pid 5135] creat("./file1", 000 [pid 5134] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5134] rename("./file1", "./bus" [pid 5135] <... creat resumed>) = 17 [pid 5134] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5134] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5134] rename("./file1", "./bus" [pid 5135] creat("./file1", 000 [pid 5134] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5134] rename("./file1", "./bus" [pid 5135] <... creat resumed>) = 18 [pid 5135] creat("./file1", 000 [pid 5134] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5134] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5134] rename("./file1", "./bus" [pid 5135] <... creat resumed>) = 19 [pid 5134] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5134] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5134] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5134] rename("./file1", "./bus" [pid 5135] creat("./file1", 000 [pid 5134] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5134] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5134] rename("./file1", "./bus" [pid 5135] <... creat resumed>) = 20 [pid 5134] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5134] rename("./file1", "./bus" [pid 5135] creat("./file1", 000 [pid 5134] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5135] <... creat resumed>) = 21 [pid 5134] rename("./file1", "./bus" [pid 5135] creat("./file1", 000 [pid 5134] <... rename resumed>) = -1 ENOENT (No such file or directory) [ 77.416739][ T5134] loop0: detected capacity change from 0 to 1024 [pid 5134] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5134] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5134] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5134] rename("./file1", "./bus" [pid 5135] <... creat resumed>) = 22 [pid 5135] creat("./file1", 000 [pid 5134] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5134] rename("./file1", "./bus" [pid 5135] <... creat resumed>) = 23 [pid 5135] creat("./file1", 000 [pid 5134] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5134] rename("./file1", "./bus" [pid 5135] <... creat resumed>) = 24 [pid 5135] creat("./file1", 000 [pid 5134] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5135] <... creat resumed>) = 25 [pid 5135] creat("./file1", 000 [pid 5134] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5134] rename("./file1", "./bus" [pid 5135] <... creat resumed>) = 26 [pid 5135] creat("./file1", 000 [pid 5134] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5134] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5134] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5134] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5134] rename("./file1", "./bus" [pid 5135] <... creat resumed>) = 27 [pid 5134] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5135] creat("./file1", 000 [pid 5134] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5134] rename("./file1", "./bus" [pid 5135] <... creat resumed>) = 28 [pid 5135] creat("./file1", 000 [pid 5134] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5134] rename("./file1", "./bus" [pid 5135] <... creat resumed>) = 29 [pid 5134] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5134] rename("./file1", "./bus" [pid 5135] creat("./file1", 000 [pid 5134] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5134] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5134] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5134] rename("./file1", "./bus" [pid 5135] <... creat resumed>) = 30 [pid 5135] creat("./file1", 000 [pid 5134] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5134] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5134] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5133] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5133] futex(0x7f016fef36bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 5134] rename("./file1", "./bus" [pid 5133] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5135] <... creat resumed>) = 31 [pid 5134] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5134] futex(0x7f016fef36ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5135] creat("./file1", 000 [pid 5134] <... futex resumed>) = 0 [pid 5134] futex(0x7f016fef36a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5135] <... creat resumed>) = 32 [pid 5135] creat("./file1", 000) = 33 [pid 5135] creat("./file1", 000) = 34 [pid 5135] creat("./file1", 000) = 35 [pid 5135] creat("./file1", 000) = 36 [pid 5135] creat("./file1", 000) = 37 [pid 5135] creat("./file1", 000) = 38 [pid 5135] creat("./file1", 000) = 39 [pid 5135] creat("./file1", 000) = 40 [pid 5135] creat("./file1", 000) = 41 [pid 5135] creat("./file1", 000) = 42 [pid 5135] creat("./file1", 000) = 43 [pid 5135] creat("./file1", 000) = 44 [pid 5135] creat("./file1", 000) = 45 [pid 5135] creat("./file1", 000) = 46 [pid 5135] creat("./file1", 000) = 47 [pid 5135] creat("./file1", 000) = 48 [pid 5135] creat("./file1", 000) = 49 [pid 5135] creat("./file1", 000) = 50 [pid 5135] creat("./file1", 000) = 51 [pid 5135] creat("./file1", 000) = 52 [pid 5135] creat("./file1", 000) = 53 [pid 5135] creat("./file1", 000) = 54 [pid 5135] creat("./file1", 000) = 55 [pid 5135] creat("./file1", 000) = 56 [pid 5135] creat("./file1", 000) = 57 [pid 5135] creat("./file1", 000) = 58 [pid 5135] creat("./file1", 000) = 59 [pid 5135] creat("./file1", 000) = 60 [pid 5135] creat("./file1", 000) = 61 [pid 5135] creat("./file1", 000) = 62 [pid 5135] creat("./file1", 000) = 63 [pid 5135] creat("./file1", 000) = 64 [pid 5135] creat("./file1", 000) = 65 [pid 5135] creat("./file1", 000) = 66 [pid 5135] creat("./file1", 000) = 67 [pid 5135] creat("./file1", 000) = 68 [pid 5135] futex(0x7f016fef36bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5135] futex(0x7f016fef36b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5133] exit_group(0 [pid 5135] <... futex resumed>) = ? [pid 5134] <... futex resumed>) = ? [pid 5133] <... exit_group resumed>) = ? [pid 5135] +++ exited with 0 +++ [pid 5134] +++ exited with 0 +++ [pid 5133] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5133, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./30", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./30", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x555557252730 /* 4 entries */, 32768) = 104 umount2("./30/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./30/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./30/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./30/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./30/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x55555725a770 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555725a770 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./30/bus") = 0 umount2("./30/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./30/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./30/binderfs") = 0 getdents64(3, 0x555557252730 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./30") = 0 mkdir("./31", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5136 attached [pid 5136] set_robust_list(0x5555572516a0, 24) = 0 [pid 5136] chdir("./31") = 0 [pid 5136] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5136] setpgid(0, 0) = 0 [pid 5136] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5136] write(3, "1000", 4) = 4 [pid 5136] close(3) = 0 [pid 5136] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5136] futex(0x7f016fef36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5136] rt_sigaction(SIGRT_1, {sa_handler=0x7f016fe90eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f016fe82060}, NULL, 8) = 0 [pid 5136] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5136] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f016fe07000 [pid 5136] mprotect(0x7f016fe08000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5136] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5136] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f016fe27990, parent_tid=0x7f016fe27990, exit_signal=0, stack=0x7f016fe07000, stack_size=0x20300, tls=0x7f016fe276c0}./strace-static-x86_64: Process 5137 attached => {parent_tid=[5137]}, 88) = 5137 [pid 5137] rseq(0x7f016fe27fe0, 0x20, 0, 0x53053053) = 0 [pid 5136] rt_sigprocmask(SIG_SETMASK, [], [pid 5137] set_robust_list(0x7f016fe279a0, 24) = 0 [pid 5136] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5137] rt_sigprocmask(SIG_SETMASK, [], [pid 5136] futex(0x7f016fef36a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5137] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5136] <... futex resumed>) = 0 [pid 5041] <... clone resumed>, child_tidptr=0x555557251690) = 5136 [pid 5137] memfd_create("syzkaller", 0 [pid 5136] futex(0x7f016fef36ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5137] <... memfd_create resumed>) = 3 [pid 5137] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0167a07000 [pid 5137] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288) = 524288 [pid 5137] munmap(0x7f0167a07000, 524288) = 0 [pid 5137] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 77.532906][ T2447] hfsplus: b-tree write err: -5, ino 8 [ 77.568144][ T5137] syz-executor191[5137]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5137] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5137] close(3) = 0 [pid 5137] mkdir("./bus", 0777) = 0 [pid 5137] mount("/dev/loop0", "./bus", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK, "") = 0 [pid 5137] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5137] chdir("./bus") = 0 [pid 5137] ioctl(4, LOOP_CLR_FD) = 0 [pid 5137] close(4) = 0 [pid 5137] futex(0x7f016fef36ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5136] <... futex resumed>) = 0 [pid 5137] futex(0x7f016fef36a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5136] futex(0x7f016fef36a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5137] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5136] <... futex resumed>) = 0 [pid 5137] rename("./file1", "./bus" [pid 5136] futex(0x7f016fef36bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5136] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0167a66000 [pid 5136] mprotect(0x7f0167a67000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5137] <... rename resumed>) = 0 [pid 5136] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5136] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0167a86990, parent_tid=0x7f0167a86990, exit_signal=0, stack=0x7f0167a66000, stack_size=0x20300, tls=0x7f0167a866c0}./strace-static-x86_64: Process 5138 attached [pid 5138] rseq(0x7f0167a86fe0, 0x20, 0, 0x53053053) = 0 [pid 5136] <... clone3 resumed> => {parent_tid=[5138]}, 88) = 5138 [pid 5138] set_robust_list(0x7f0167a869a0, 24 [pid 5136] rt_sigprocmask(SIG_SETMASK, [], [pid 5138] <... set_robust_list resumed>) = 0 [pid 5138] rt_sigprocmask(SIG_SETMASK, [], [pid 5136] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5138] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5136] futex(0x7f016fef36b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5138] creat("./file1", 000 [pid 5136] <... futex resumed>) = 0 [pid 5138] <... creat resumed>) = 4 [pid 5136] futex(0x7f016fef36bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5138] creat("./file1", 000 [pid 5137] rename("./file1", "./bus" [pid 5138] <... creat resumed>) = 5 [pid 5137] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5138] creat("./file1", 000) = 6 [pid 5138] creat("./file1", 000) = 7 [pid 5138] creat("./file1", 000) = 8 [pid 5138] creat("./file1", 000) = 9 [pid 5138] creat("./file1", 000 [pid 5137] rename("./file1", "./bus" [pid 5138] <... creat resumed>) = 10 [pid 5138] creat("./file1", 000 [pid 5137] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5137] rename("./file1", "./bus" [pid 5138] <... creat resumed>) = 11 [pid 5138] creat("./file1", 000 [pid 5137] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5137] rename("./file1", "./bus" [pid 5138] <... creat resumed>) = 12 [pid 5138] creat("./file1", 000 [pid 5137] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5137] rename("./file1", "./bus" [pid 5138] <... creat resumed>) = 13 [pid 5138] creat("./file1", 000 [pid 5137] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5138] <... creat resumed>) = 14 [pid 5138] creat("./file1", 000 [pid 5137] rename("./file1", "./bus" [pid 5138] <... creat resumed>) = 15 [pid 5138] creat("./file1", 000 [pid 5137] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5138] <... creat resumed>) = 16 [pid 5138] creat("./file1", 000 [pid 5137] rename("./file1", "./bus" [pid 5138] <... creat resumed>) = 17 [pid 5138] creat("./file1", 000) = 18 [pid 5138] creat("./file1", 000) = 19 [pid 5138] creat("./file1", 000 [pid 5137] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5137] rename("./file1", "./bus" [pid 5138] <... creat resumed>) = 20 [pid 5138] creat("./file1", 000 [pid 5137] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5138] <... creat resumed>) = 21 [pid 5138] creat("./file1", 000) = 22 [pid 5137] rename("./file1", "./bus" [pid 5138] creat("./file1", 000) = 23 [pid 5138] creat("./file1", 000) = 24 [pid 5138] creat("./file1", 000 [pid 5137] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5138] <... creat resumed>) = 25 [pid 5138] creat("./file1", 000) = 26 [pid 5137] rename("./file1", "./bus" [pid 5138] creat("./file1", 000) = 27 [pid 5138] creat("./file1", 000 [pid 5137] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5137] rename("./file1", "./bus" [pid 5138] <... creat resumed>) = 28 [pid 5138] creat("./file1", 000 [pid 5137] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5138] <... creat resumed>) = 29 [pid 5137] rename("./file1", "./bus" [pid 5138] creat("./file1", 000) = 30 [pid 5137] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5138] creat("./file1", 000) = 31 [pid 5138] creat("./file1", 000 [pid 5137] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5138] <... creat resumed>) = 32 [pid 5138] creat("./file1", 000 [pid 5137] rename("./file1", "./bus" [pid 5138] <... creat resumed>) = 33 [pid 5138] creat("./file1", 000) = 34 [pid 5137] <... rename resumed>) = -1 ENOENT (No such file or directory) [ 77.589348][ T5137] loop0: detected capacity change from 0 to 1024 [pid 5138] creat("./file1", 000) = 35 [pid 5138] creat("./file1", 000) = 36 [pid 5138] creat("./file1", 000 [pid 5137] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5137] rename("./file1", "./bus" [pid 5138] <... creat resumed>) = 37 [pid 5138] creat("./file1", 000) = 38 [pid 5138] creat("./file1", 000) = 39 [pid 5138] creat("./file1", 000 [pid 5137] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5138] <... creat resumed>) = 40 [pid 5138] creat("./file1", 000 [pid 5137] rename("./file1", "./bus" [pid 5138] <... creat resumed>) = 41 [pid 5138] creat("./file1", 000 [pid 5137] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5138] <... creat resumed>) = 42 [pid 5138] creat("./file1", 000 [pid 5137] rename("./file1", "./bus" [pid 5138] <... creat resumed>) = 43 [pid 5138] creat("./file1", 000 [pid 5137] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5138] <... creat resumed>) = 44 [pid 5137] rename("./file1", "./bus" [pid 5138] creat("./file1", 000) = 45 [pid 5137] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5138] creat("./file1", 000 [pid 5137] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5137] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5138] <... creat resumed>) = 46 [pid 5136] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5136] futex(0x7f016fef36bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5136] futex(0x7f016fef36bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5138] creat("./file1", 000 [pid 5137] rename("./file1", "./bus" [pid 5138] <... creat resumed>) = 47 [pid 5137] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5137] rename("./file1", "./bus" [pid 5138] creat("./file1", 000 [pid 5137] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5138] <... creat resumed>) = 48 [pid 5137] rename("./file1", "./bus" [pid 5138] creat("./file1", 000 [pid 5137] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5137] rename("./file1", "./bus" [pid 5138] <... creat resumed>) = 49 [pid 5138] creat("./file1", 000 [pid 5137] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5138] <... creat resumed>) = 50 [pid 5137] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5138] creat("./file1", 000 [pid 5137] rename("./file1", "./bus" [pid 5138] <... creat resumed>) = 51 [pid 5137] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5138] creat("./file1", 000 [pid 5137] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5137] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5137] rename("./file1", "./bus" [pid 5138] <... creat resumed>) = 52 [pid 5138] creat("./file1", 000 [pid 5137] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5137] rename("./file1", "./bus" [pid 5138] <... creat resumed>) = 53 [pid 5137] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5137] rename("./file1", "./bus" [pid 5138] creat("./file1", 000 [pid 5137] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5138] <... creat resumed>) = 54 [pid 5137] rename("./file1", "./bus" [pid 5138] creat("./file1", 000 [pid 5137] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5137] rename("./file1", "./bus" [pid 5138] <... creat resumed>) = 55 [pid 5137] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5137] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5138] creat("./file1", 000 [pid 5137] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5137] rename("./file1", "./bus" [pid 5138] <... creat resumed>) = 56 [pid 5137] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5138] creat("./file1", 000 [pid 5137] rename("./file1", "./bus" [pid 5138] <... creat resumed>) = 57 [pid 5138] creat("./file1", 000 [pid 5137] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5138] <... creat resumed>) = 58 [pid 5138] creat("./file1", 000 [pid 5137] rename("./file1", "./bus" [pid 5138] <... creat resumed>) = 59 [pid 5138] creat("./file1", 000 [pid 5137] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5138] <... creat resumed>) = 60 [pid 5137] rename("./file1", "./bus" [pid 5138] creat("./file1", 000) = 61 [pid 5137] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5138] creat("./file1", 000) = 62 [pid 5138] creat("./file1", 000 [pid 5137] rename("./file1", "./bus" [pid 5138] <... creat resumed>) = 63 [pid 5138] creat("./file1", 000 [pid 5137] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5137] rename("./file1", "./bus" [pid 5138] <... creat resumed>) = 64 [pid 5138] creat("./file1", 000) = 65 [pid 5137] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5138] creat("./file1", 000 [pid 5137] rename("./file1", "./bus" [pid 5138] <... creat resumed>) = 66 [pid 5138] creat("./file1", 000 [pid 5137] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5138] <... creat resumed>) = 67 [pid 5137] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5138] creat("./file1", 000 [pid 5137] rename("./file1", "./bus" [pid 5138] <... creat resumed>) = 68 [pid 5137] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5137] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5138] futex(0x7f016fef36bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5138] futex(0x7f016fef36b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5137] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5137] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5137] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5137] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5137] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5137] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5137] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5137] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5137] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5137] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5137] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5137] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5137] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5137] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5137] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5137] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5137] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5137] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5137] futex(0x7f016fef36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5137] futex(0x7f016fef36a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5136] exit_group(0 [pid 5138] <... futex resumed>) = ? [pid 5137] <... futex resumed>) = ? [pid 5136] <... exit_group resumed>) = ? [pid 5138] +++ exited with 0 +++ [pid 5137] +++ exited with 0 +++ [pid 5136] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5136, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- umount2("./31", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./31", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x555557252730 /* 4 entries */, 32768) = 104 umount2("./31/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./31/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./31/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./31/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./31/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x55555725a770 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555725a770 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./31/bus") = 0 umount2("./31/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./31/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./31/binderfs") = 0 getdents64(3, 0x555557252730 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./31") = 0 mkdir("./32", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5139 attached [pid 5139] set_robust_list(0x5555572516a0, 24 [pid 5041] <... clone resumed>, child_tidptr=0x555557251690) = 5139 [pid 5139] <... set_robust_list resumed>) = 0 [pid 5139] chdir("./32") = 0 [pid 5139] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5139] setpgid(0, 0) = 0 [pid 5139] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5139] write(3, "1000", 4) = 4 [pid 5139] close(3) = 0 [pid 5139] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5139] futex(0x7f016fef36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5139] rt_sigaction(SIGRT_1, {sa_handler=0x7f016fe90eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f016fe82060}, NULL, 8) = 0 [pid 5139] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5139] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f016fe07000 [pid 5139] mprotect(0x7f016fe08000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5139] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5139] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f016fe27990, parent_tid=0x7f016fe27990, exit_signal=0, stack=0x7f016fe07000, stack_size=0x20300, tls=0x7f016fe276c0}./strace-static-x86_64: Process 5140 attached => {parent_tid=[5140]}, 88) = 5140 [pid 5140] rseq(0x7f016fe27fe0, 0x20, 0, 0x53053053 [pid 5139] rt_sigprocmask(SIG_SETMASK, [], [pid 5140] <... rseq resumed>) = 0 [pid 5139] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5140] set_robust_list(0x7f016fe279a0, 24) = 0 [pid 5140] rt_sigprocmask(SIG_SETMASK, [], [pid 5139] futex(0x7f016fef36a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5140] <... rt_sigprocmask resumed>NULL, 8) = 0 [ 77.715994][ T2447] hfsplus: b-tree write err: -5, ino 8 [pid 5140] memfd_create("syzkaller", 0 [pid 5139] <... futex resumed>) = 0 [pid 5139] futex(0x7f016fef36ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5140] <... memfd_create resumed>) = 3 [pid 5140] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0167a07000 [pid 5140] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288) = 524288 [pid 5140] munmap(0x7f0167a07000, 524288) = 0 [pid 5140] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5140] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5140] close(3) = 0 [pid 5140] mkdir("./bus", 0777) = 0 [pid 5140] mount("/dev/loop0", "./bus", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK, "") = 0 [pid 5140] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5140] chdir("./bus") = 0 [pid 5140] ioctl(4, LOOP_CLR_FD) = 0 [pid 5140] close(4) = 0 [pid 5140] futex(0x7f016fef36ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5139] <... futex resumed>) = 0 [pid 5140] rename("./file1", "./bus" [pid 5139] futex(0x7f016fef36a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5139] futex(0x7f016fef36bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5139] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0167a66000 [pid 5139] mprotect(0x7f0167a67000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5140] <... rename resumed>) = 0 [pid 5139] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5140] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5140] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5140] rename("./file1", "./bus" [pid 5139] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5139] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0167a86990, parent_tid=0x7f0167a86990, exit_signal=0, stack=0x7f0167a66000, stack_size=0x20300, tls=0x7f0167a866c0} [pid 5140] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5140] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) ./strace-static-x86_64: Process 5141 attached [pid 5141] rseq(0x7f0167a86fe0, 0x20, 0, 0x53053053 [pid 5139] <... clone3 resumed> => {parent_tid=[5141]}, 88) = 5141 [pid 5140] rename("./file1", "./bus" [pid 5141] <... rseq resumed>) = 0 [pid 5140] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5139] rt_sigprocmask(SIG_SETMASK, [], [pid 5141] set_robust_list(0x7f0167a869a0, 24 [pid 5140] rename("./file1", "./bus" [pid 5139] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5141] <... set_robust_list resumed>) = 0 [pid 5140] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5141] rt_sigprocmask(SIG_SETMASK, [], [pid 5140] rename("./file1", "./bus" [pid 5139] futex(0x7f016fef36b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5140] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5141] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5140] rename("./file1", "./bus" [pid 5139] <... futex resumed>) = 0 [pid 5141] creat("./file1", 000 [pid 5140] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5140] rename("./file1", "./bus" [pid 5139] futex(0x7f016fef36bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5141] <... creat resumed>) = 4 [pid 5140] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5140] rename("./file1", "./bus" [pid 5141] creat("./file1", 000) = 5 [pid 5140] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5140] rename("./file1", "./bus" [pid 5141] creat("./file1", 000) = 6 [pid 5141] creat("./file1", 000) = 7 [pid 5140] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5140] rename("./file1", "./bus" [pid 5141] creat("./file1", 000) = 8 [pid 5141] creat("./file1", 000) = 9 [pid 5141] creat("./file1", 000) = 10 [pid 5141] creat("./file1", 000) = 11 [pid 5141] creat("./file1", 000) = 12 [pid 5141] creat("./file1", 000) = 13 [pid 5141] creat("./file1", 000) = 14 [pid 5141] creat("./file1", 000) = 15 [pid 5141] creat("./file1", 000) = 16 [pid 5141] creat("./file1", 000) = 17 [pid 5140] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5141] creat("./file1", 000) = 18 [pid 5140] rename("./file1", "./bus" [pid 5141] creat("./file1", 000 [pid 5140] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5140] rename("./file1", "./bus" [pid 5141] <... creat resumed>) = 19 [pid 5141] creat("./file1", 000 [pid 5140] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5140] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5141] <... creat resumed>) = 20 [ 77.771819][ T5140] syz-executor191[5140]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [ 77.800966][ T5140] loop0: detected capacity change from 0 to 1024 [pid 5141] creat("./file1", 000) = 21 [pid 5141] creat("./file1", 000) = 22 [pid 5141] creat("./file1", 000 [pid 5140] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5140] rename("./file1", "./bus" [pid 5141] <... creat resumed>) = 23 [pid 5140] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5140] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5140] rename("./file1", "./bus" [pid 5141] creat("./file1", 000) = 24 [pid 5140] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5140] rename("./file1", "./bus" [pid 5141] creat("./file1", 000) = 25 [pid 5140] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5140] rename("./file1", "./bus" [pid 5141] creat("./file1", 000 [pid 5140] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5140] rename("./file1", "./bus" [pid 5141] <... creat resumed>) = 26 [pid 5140] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5140] rename("./file1", "./bus" [pid 5141] creat("./file1", 000 [pid 5140] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5140] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5140] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5140] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5140] rename("./file1", "./bus" [pid 5141] <... creat resumed>) = 27 [pid 5140] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5141] creat("./file1", 000 [pid 5140] rename("./file1", "./bus" [pid 5141] <... creat resumed>) = 28 [pid 5140] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5141] creat("./file1", 000) = 29 [pid 5140] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5141] creat("./file1", 000) = 30 [pid 5140] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5141] creat("./file1", 000 [pid 5140] rename("./file1", "./bus" [pid 5141] <... creat resumed>) = 31 [pid 5140] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5141] creat("./file1", 000 [pid 5140] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5141] <... creat resumed>) = 32 [pid 5140] rename("./file1", "./bus" [pid 5141] creat("./file1", 000) = 33 [pid 5140] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5140] rename("./file1", "./bus" [pid 5141] creat("./file1", 000) = 34 [pid 5140] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5140] rename("./file1", "./bus" [pid 5141] creat("./file1", 000 [pid 5139] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5140] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5140] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5141] <... creat resumed>) = 35 [pid 5141] creat("./file1", 000 [pid 5140] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5140] rename("./file1", "./bus" [pid 5141] <... creat resumed>) = 36 [pid 5140] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5141] creat("./file1", 000) = 37 [pid 5140] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5141] creat("./file1", 000 [pid 5140] rename("./file1", "./bus" [pid 5141] <... creat resumed>) = 38 [pid 5140] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5141] creat("./file1", 000 [pid 5140] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5141] <... creat resumed>) = 39 [pid 5140] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5141] creat("./file1", 000 [pid 5140] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5141] <... creat resumed>) = 40 [pid 5141] creat("./file1", 000 [pid 5140] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5141] <... creat resumed>) = 41 [pid 5140] rename("./file1", "./bus" [pid 5141] creat("./file1", 000) = 42 [pid 5140] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5140] rename("./file1", "./bus" [pid 5141] creat("./file1", 000) = 43 [pid 5140] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5140] rename("./file1", "./bus" [pid 5141] creat("./file1", 000 [pid 5140] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5140] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5141] <... creat resumed>) = 44 [pid 5141] creat("./file1", 000 [pid 5140] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5140] rename("./file1", "./bus" [pid 5141] <... creat resumed>) = 45 [pid 5141] creat("./file1", 000 [pid 5140] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5141] <... creat resumed>) = 46 [pid 5140] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5141] creat("./file1", 000) = 47 [pid 5140] rename("./file1", "./bus" [pid 5141] creat("./file1", 000 [pid 5140] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5141] <... creat resumed>) = 48 [pid 5140] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5141] creat("./file1", 000 [pid 5140] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5140] rename("./file1", "./bus" [pid 5141] <... creat resumed>) = 49 [pid 5140] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5140] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5141] creat("./file1", 000 [pid 5140] rename("./file1", "./bus" [pid 5141] <... creat resumed>) = 50 [pid 5140] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5141] creat("./file1", 000 [pid 5140] rename("./file1", "./bus" [pid 5141] <... creat resumed>) = 51 [pid 5140] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5140] rename("./file1", "./bus" [pid 5141] creat("./file1", 000 [pid 5140] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5141] <... creat resumed>) = 52 [pid 5140] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5141] creat("./file1", 000) = 53 [pid 5140] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5141] creat("./file1", 000 [pid 5140] rename("./file1", "./bus" [pid 5141] <... creat resumed>) = 54 [pid 5140] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5140] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5141] creat("./file1", 000 [pid 5140] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5141] <... creat resumed>) = 55 [pid 5141] creat("./file1", 000 [pid 5140] futex(0x7f016fef36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5140] futex(0x7f016fef36a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5141] <... creat resumed>) = 56 [pid 5141] creat("./file1", 000) = 57 [pid 5141] creat("./file1", 000) = 58 [pid 5141] creat("./file1", 000) = 59 [pid 5141] creat("./file1", 000) = 60 [pid 5141] creat("./file1", 000) = 61 [pid 5141] creat("./file1", 000) = 62 [pid 5141] creat("./file1", 000) = 63 [pid 5141] creat("./file1", 000) = 64 [pid 5141] creat("./file1", 000) = 65 [pid 5141] creat("./file1", 000) = 66 [pid 5141] creat("./file1", 000) = 67 [pid 5141] creat("./file1", 000) = 68 [pid 5141] futex(0x7f016fef36bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5141] futex(0x7f016fef36b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5139] exit_group(0 [pid 5141] <... futex resumed>) = ? [pid 5140] <... futex resumed>) = ? [pid 5139] <... exit_group resumed>) = ? [pid 5141] +++ exited with 0 +++ [pid 5140] +++ exited with 0 +++ [pid 5139] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5139, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- umount2("./32", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./32", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x555557252730 /* 4 entries */, 32768) = 104 umount2("./32/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./32/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./32/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./32/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./32/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x55555725a770 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555725a770 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./32/bus") = 0 umount2("./32/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./32/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./32/binderfs") = 0 getdents64(3, 0x555557252730 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./32") = 0 mkdir("./33", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5142 attached , child_tidptr=0x555557251690) = 5142 [pid 5142] set_robust_list(0x5555572516a0, 24) = 0 [pid 5142] chdir("./33") = 0 [pid 5142] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5142] setpgid(0, 0) = 0 [pid 5142] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5142] write(3, "1000", 4) = 4 [pid 5142] close(3) = 0 [pid 5142] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5142] futex(0x7f016fef36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5142] rt_sigaction(SIGRT_1, {sa_handler=0x7f016fe90eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f016fe82060}, NULL, 8) = 0 [pid 5142] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5142] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f016fe07000 [pid 5142] mprotect(0x7f016fe08000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5142] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5142] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f016fe27990, parent_tid=0x7f016fe27990, exit_signal=0, stack=0x7f016fe07000, stack_size=0x20300, tls=0x7f016fe276c0} => {parent_tid=[5143]}, 88) = 5143 [pid 5142] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5142] futex(0x7f016fef36a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5142] futex(0x7f016fef36ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5143 attached [ 77.936402][ T240] hfsplus: b-tree write err: -5, ino 8 [pid 5143] rseq(0x7f016fe27fe0, 0x20, 0, 0x53053053) = 0 [pid 5143] set_robust_list(0x7f016fe279a0, 24) = 0 [pid 5143] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5143] memfd_create("syzkaller", 0) = 3 [pid 5143] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0167a07000 [pid 5143] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288) = 524288 [pid 5143] munmap(0x7f0167a07000, 524288) = 0 [pid 5143] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5143] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5143] close(3) = 0 [pid 5143] mkdir("./bus", 0777) = 0 [pid 5143] mount("/dev/loop0", "./bus", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK, "") = 0 [pid 5143] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5143] chdir("./bus") = 0 [pid 5143] ioctl(4, LOOP_CLR_FD) = 0 [pid 5143] close(4) = 0 [pid 5143] futex(0x7f016fef36ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5142] <... futex resumed>) = 0 [pid 5143] rename("./file1", "./bus" [pid 5142] futex(0x7f016fef36a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5143] <... rename resumed>) = 0 [pid 5142] <... futex resumed>) = 0 [pid 5143] rename("./file1", "./bus" [pid 5142] futex(0x7f016fef36bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5143] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5142] <... futex resumed>) = 0 [pid 5143] rename("./file1", "./bus" [pid 5142] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5143] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5142] <... mmap resumed>) = 0x7f0167a66000 [pid 5143] rename("./file1", "./bus" [pid 5142] mprotect(0x7f0167a67000, 131072, PROT_READ|PROT_WRITE [pid 5143] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5142] <... mprotect resumed>) = 0 [pid 5143] rename("./file1", "./bus" [pid 5142] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5143] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5142] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5143] rename("./file1", "./bus" [pid 5142] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0167a86990, parent_tid=0x7f0167a86990, exit_signal=0, stack=0x7f0167a66000, stack_size=0x20300, tls=0x7f0167a866c0} [pid 5143] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5143] rename("./file1", "./bus" [pid 5142] <... clone3 resumed> => {parent_tid=[5144]}, 88) = 5144 ./strace-static-x86_64: Process 5144 attached [pid 5143] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5142] rt_sigprocmask(SIG_SETMASK, [], [pid 5144] rseq(0x7f0167a86fe0, 0x20, 0, 0x53053053) = 0 [pid 5143] rename("./file1", "./bus" [pid 5142] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5144] set_robust_list(0x7f0167a869a0, 24) = 0 [pid 5143] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5142] futex(0x7f016fef36b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5144] rt_sigprocmask(SIG_SETMASK, [], [pid 5143] rename("./file1", "./bus" [pid 5142] <... futex resumed>) = 0 [pid 5144] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5143] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5142] futex(0x7f016fef36bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5144] creat("./file1", 000 [pid 5143] rename("./file1", "./bus" [pid 5144] <... creat resumed>) = 4 [pid 5144] creat("./file1", 000 [pid 5143] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5143] rename("./file1", "./bus" [pid 5144] <... creat resumed>) = 5 [pid 5144] creat("./file1", 000 [pid 5143] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5143] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5143] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [ 77.984448][ T5143] syz-executor191[5143]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [ 78.002720][ T5143] loop0: detected capacity change from 0 to 1024 [pid 5143] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5144] <... creat resumed>) = 6 [pid 5144] creat("./file1", 000 [pid 5143] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5143] rename("./file1", "./bus" [pid 5144] <... creat resumed>) = 7 [pid 5144] creat("./file1", 000 [pid 5143] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5143] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5143] rename("./file1", "./bus" [pid 5144] <... creat resumed>) = 8 [pid 5143] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5143] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5144] creat("./file1", 000 [pid 5143] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5143] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5143] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5143] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5143] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5143] rename("./file1", "./bus" [pid 5144] <... creat resumed>) = 9 [pid 5144] creat("./file1", 000 [pid 5143] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5143] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5143] rename("./file1", "./bus" [pid 5144] <... creat resumed>) = 10 [pid 5143] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5143] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5143] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5143] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5144] creat("./file1", 000 [pid 5143] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5143] rename("./file1", "./bus" [pid 5144] <... creat resumed>) = 11 [pid 5144] creat("./file1", 000 [pid 5143] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5143] rename("./file1", "./bus" [pid 5144] <... creat resumed>) = 12 [pid 5143] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5143] rename("./file1", "./bus" [pid 5144] creat("./file1", 000 [pid 5143] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5143] rename("./file1", "./bus" [pid 5144] <... creat resumed>) = 13 [pid 5143] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5143] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5143] rename("./file1", "./bus" [pid 5144] creat("./file1", 000 [pid 5143] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5143] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5143] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5143] rename("./file1", "./bus" [pid 5144] <... creat resumed>) = 14 [pid 5143] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5143] rename("./file1", "./bus" [pid 5144] creat("./file1", 000 [pid 5143] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5143] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5143] rename("./file1", "./bus" [pid 5144] <... creat resumed>) = 15 [pid 5143] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5143] rename("./file1", "./bus" [pid 5144] creat("./file1", 000 [pid 5143] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5143] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5143] rename("./file1", "./bus" [pid 5144] <... creat resumed>) = 16 [pid 5142] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5143] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5144] creat("./file1", 000 [pid 5143] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5143] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5143] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5144] <... creat resumed>) = 17 [pid 5144] creat("./file1", 000 [pid 5143] rename("./file1", "./bus" [pid 5144] <... creat resumed>) = 18 [pid 5143] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5143] rename("./file1", "./bus" [pid 5144] creat("./file1", 000 [pid 5143] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5143] rename("./file1", "./bus" [pid 5144] <... creat resumed>) = 19 [pid 5143] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5143] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5143] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5143] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5143] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5143] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5143] rename("./file1", "./bus" [pid 5144] creat("./file1", 000 [pid 5143] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5143] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5143] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5143] rename("./file1", "./bus" [pid 5144] <... creat resumed>) = 20 [pid 5144] creat("./file1", 000 [pid 5143] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5143] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5144] <... creat resumed>) = 21 [pid 5143] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5143] rename("./file1", "./bus" [pid 5144] creat("./file1", 000 [pid 5143] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5143] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5144] <... creat resumed>) = 22 [pid 5143] futex(0x7f016fef36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5143] futex(0x7f016fef36a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5144] creat("./file1", 000) = 23 [pid 5144] creat("./file1", 000) = 24 [pid 5144] creat("./file1", 000) = 25 [pid 5144] creat("./file1", 000) = 26 [pid 5144] creat("./file1", 000) = 27 [pid 5144] creat("./file1", 000) = 28 [pid 5144] creat("./file1", 000) = 29 [pid 5144] creat("./file1", 000) = 30 [pid 5144] creat("./file1", 000) = 31 [pid 5144] creat("./file1", 000) = 32 [pid 5144] creat("./file1", 000) = 33 [pid 5144] creat("./file1", 000) = 34 [pid 5144] creat("./file1", 000) = 35 [pid 5144] creat("./file1", 000) = 36 [pid 5144] creat("./file1", 000) = 37 [pid 5144] creat("./file1", 000) = 38 [pid 5144] creat("./file1", 000) = 39 [pid 5144] creat("./file1", 000) = 40 [pid 5144] creat("./file1", 000) = 41 [pid 5144] creat("./file1", 000) = 42 [pid 5144] creat("./file1", 000) = 43 [pid 5144] creat("./file1", 000) = 44 [pid 5144] creat("./file1", 000) = 45 [pid 5144] creat("./file1", 000) = 46 [pid 5144] creat("./file1", 000) = 47 [pid 5144] creat("./file1", 000) = 48 [pid 5144] creat("./file1", 000) = 49 [pid 5144] creat("./file1", 000) = 50 [pid 5144] creat("./file1", 000) = 51 [pid 5144] creat("./file1", 000) = 52 [pid 5144] creat("./file1", 000) = 53 [pid 5144] creat("./file1", 000) = 54 [pid 5144] creat("./file1", 000) = 55 [pid 5144] creat("./file1", 000) = 56 [pid 5144] creat("./file1", 000) = 57 [pid 5144] creat("./file1", 000) = 58 [pid 5144] creat("./file1", 000) = 59 [pid 5144] creat("./file1", 000) = 60 [pid 5144] creat("./file1", 000) = 61 [pid 5144] creat("./file1", 000) = 62 [pid 5144] creat("./file1", 000) = 63 [pid 5144] creat("./file1", 000) = 64 [pid 5144] creat("./file1", 000) = 65 [pid 5144] creat("./file1", 000) = 66 [pid 5144] creat("./file1", 000) = 67 [pid 5144] creat("./file1", 000) = 68 [pid 5144] futex(0x7f016fef36bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5144] futex(0x7f016fef36b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5142] exit_group(0) = ? [pid 5144] <... futex resumed>) = ? [pid 5144] +++ exited with 0 +++ [pid 5143] <... futex resumed>) = ? [pid 5143] +++ exited with 0 +++ [pid 5142] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5142, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- umount2("./33", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./33", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x555557252730 /* 4 entries */, 32768) = 104 umount2("./33/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./33/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./33/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./33/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./33/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x55555725a770 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555725a770 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./33/bus") = 0 umount2("./33/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./33/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./33/binderfs") = 0 getdents64(3, 0x555557252730 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./33") = 0 mkdir("./34", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5145 attached , child_tidptr=0x555557251690) = 5145 [pid 5145] set_robust_list(0x5555572516a0, 24) = 0 [pid 5145] chdir("./34") = 0 [pid 5145] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5145] setpgid(0, 0) = 0 [pid 5145] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5145] write(3, "1000", 4) = 4 [pid 5145] close(3) = 0 [pid 5145] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5145] futex(0x7f016fef36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5145] rt_sigaction(SIGRT_1, {sa_handler=0x7f016fe90eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f016fe82060}, NULL, 8) = 0 [pid 5145] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5145] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f016fe07000 [pid 5145] mprotect(0x7f016fe08000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5145] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5145] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f016fe27990, parent_tid=0x7f016fe27990, exit_signal=0, stack=0x7f016fe07000, stack_size=0x20300, tls=0x7f016fe276c0}./strace-static-x86_64: Process 5146 attached => {parent_tid=[5146]}, 88) = 5146 [pid 5145] rt_sigprocmask(SIG_SETMASK, [], [pid 5146] rseq(0x7f016fe27fe0, 0x20, 0, 0x53053053) = 0 [pid 5145] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5146] set_robust_list(0x7f016fe279a0, 24 [pid 5145] futex(0x7f016fef36a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5145] futex(0x7f016fef36ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5146] <... set_robust_list resumed>) = 0 [pid 5146] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [ 78.137482][ T240] hfsplus: b-tree write err: -5, ino 8 [pid 5146] memfd_create("syzkaller", 0) = 3 [pid 5146] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0167a07000 [pid 5146] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288) = 524288 [pid 5146] munmap(0x7f0167a07000, 524288) = 0 [pid 5146] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5146] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5146] close(3) = 0 [pid 5146] mkdir("./bus", 0777) = 0 [pid 5146] mount("/dev/loop0", "./bus", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK, "") = 0 [pid 5146] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5146] chdir("./bus") = 0 [pid 5146] ioctl(4, LOOP_CLR_FD) = 0 [pid 5146] close(4) = 0 [pid 5146] futex(0x7f016fef36ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5145] <... futex resumed>) = 0 [pid 5145] futex(0x7f016fef36a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5146] rename("./file1", "./bus" [pid 5145] <... futex resumed>) = 0 [pid 5146] <... rename resumed>) = 0 [pid 5145] futex(0x7f016fef36bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5145] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0167a66000 [pid 5145] mprotect(0x7f0167a67000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5145] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5145] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0167a86990, parent_tid=0x7f0167a86990, exit_signal=0, stack=0x7f0167a66000, stack_size=0x20300, tls=0x7f0167a866c0}./strace-static-x86_64: Process 5147 attached [pid 5146] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5146] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5145] <... clone3 resumed> => {parent_tid=[5147]}, 88) = 5147 [pid 5146] rename("./file1", "./bus" [pid 5145] rt_sigprocmask(SIG_SETMASK, [], [pid 5146] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5145] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5147] rseq(0x7f0167a86fe0, 0x20, 0, 0x53053053 [pid 5146] rename("./file1", "./bus" [pid 5145] futex(0x7f016fef36b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5147] <... rseq resumed>) = 0 [pid 5147] set_robust_list(0x7f0167a869a0, 24 [pid 5146] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5145] <... futex resumed>) = 0 [pid 5147] <... set_robust_list resumed>) = 0 [pid 5147] rt_sigprocmask(SIG_SETMASK, [], [pid 5146] rename("./file1", "./bus" [pid 5145] futex(0x7f016fef36bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5147] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5147] creat("./file1", 000 [pid 5146] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5146] rename("./file1", "./bus" [pid 5147] <... creat resumed>) = 4 [pid 5147] creat("./file1", 000 [pid 5146] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5146] rename("./file1", "./bus" [pid 5147] <... creat resumed>) = 5 [pid 5146] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5147] creat("./file1", 000 [pid 5146] rename("./file1", "./bus" [pid 5147] <... creat resumed>) = 6 [pid 5146] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5146] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5146] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5146] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5147] creat("./file1", 000 [pid 5146] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5147] <... creat resumed>) = 7 [pid 5146] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5146] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5146] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5146] rename("./file1", "./bus" [pid 5147] creat("./file1", 000 [pid 5146] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5146] rename("./file1", "./bus" [pid 5147] <... creat resumed>) = 8 [pid 5147] creat("./file1", 000 [pid 5146] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5147] <... creat resumed>) = 9 [pid 5146] rename("./file1", "./bus" [pid 5147] creat("./file1", 000 [pid 5146] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5147] <... creat resumed>) = 10 [pid 5146] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5146] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5147] creat("./file1", 000 [pid 5146] rename("./file1", "./bus" [pid 5147] <... creat resumed>) = 11 [pid 5146] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5147] creat("./file1", 000 [ 78.196830][ T5146] syz-executor191[5146]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [ 78.214532][ T5146] loop0: detected capacity change from 0 to 1024 [pid 5146] rename("./file1", "./bus" [pid 5147] <... creat resumed>) = 12 [pid 5146] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5147] creat("./file1", 000 [pid 5146] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5146] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5146] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5146] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5146] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5146] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5146] rename("./file1", "./bus" [pid 5147] <... creat resumed>) = 13 [pid 5147] creat("./file1", 000 [pid 5146] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5147] <... creat resumed>) = 14 [pid 5147] creat("./file1", 000 [pid 5146] rename("./file1", "./bus" [pid 5147] <... creat resumed>) = 15 [pid 5146] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5147] creat("./file1", 000 [pid 5146] rename("./file1", "./bus" [pid 5147] <... creat resumed>) = 16 [pid 5147] creat("./file1", 000 [pid 5146] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5146] rename("./file1", "./bus" [pid 5147] <... creat resumed>) = 17 [pid 5146] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5147] creat("./file1", 000 [pid 5146] rename("./file1", "./bus" [pid 5147] <... creat resumed>) = 18 [pid 5147] creat("./file1", 000 [pid 5146] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5146] rename("./file1", "./bus" [pid 5147] <... creat resumed>) = 19 [pid 5147] creat("./file1", 000) = 20 [pid 5146] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5147] creat("./file1", 000 [pid 5146] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5147] <... creat resumed>) = 21 [pid 5146] rename("./file1", "./bus" [pid 5147] creat("./file1", 000) = 22 [pid 5146] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5147] creat("./file1", 000 [pid 5146] rename("./file1", "./bus" [pid 5147] <... creat resumed>) = 23 [pid 5147] creat("./file1", 000 [pid 5146] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5147] <... creat resumed>) = 24 [pid 5146] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5147] creat("./file1", 000 [pid 5146] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5146] rename("./file1", "./bus" [pid 5147] <... creat resumed>) = 25 [pid 5146] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5146] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5146] rename("./file1", "./bus" [pid 5147] creat("./file1", 000 [pid 5146] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5146] rename("./file1", "./bus" [pid 5147] <... creat resumed>) = 26 [pid 5146] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5146] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5146] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5146] rename("./file1", "./bus" [pid 5147] creat("./file1", 000 [pid 5146] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5146] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5146] rename("./file1", "./bus" [pid 5147] <... creat resumed>) = 27 [pid 5147] creat("./file1", 000 [pid 5146] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5146] rename("./file1", "./bus" [pid 5147] <... creat resumed>) = 28 [pid 5146] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5146] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5146] rename("./file1", "./bus" [pid 5147] creat("./file1", 000 [pid 5146] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5146] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5146] rename("./file1", "./bus" [pid 5147] <... creat resumed>) = 29 [pid 5146] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5146] rename("./file1", "./bus" [pid 5147] creat("./file1", 000) = 30 [pid 5146] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5146] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5146] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5146] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5147] creat("./file1", 000 [pid 5146] rename("./file1", "./bus" [pid 5147] <... creat resumed>) = 31 [pid 5146] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5145] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5146] rename("./file1", "./bus" [pid 5147] creat("./file1", 000 [pid 5146] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5146] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5146] rename("./file1", "./bus" [pid 5147] <... creat resumed>) = 32 [pid 5147] creat("./file1", 000 [pid 5146] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5146] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5146] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5146] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5146] futex(0x7f016fef36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5146] futex(0x7f016fef36a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5147] <... creat resumed>) = 33 [pid 5147] creat("./file1", 000) = 34 [pid 5147] creat("./file1", 000) = 35 [pid 5147] creat("./file1", 000) = 36 [pid 5147] creat("./file1", 000) = 37 [pid 5147] creat("./file1", 000) = 38 [pid 5147] creat("./file1", 000) = 39 [pid 5147] creat("./file1", 000) = 40 [pid 5147] creat("./file1", 000) = 41 [pid 5147] creat("./file1", 000) = 42 [pid 5147] creat("./file1", 000) = 43 [pid 5147] creat("./file1", 000) = 44 [pid 5147] creat("./file1", 000) = 45 [pid 5147] creat("./file1", 000) = 46 [pid 5147] creat("./file1", 000) = 47 [pid 5147] creat("./file1", 000) = 48 [pid 5147] creat("./file1", 000) = 49 [pid 5147] creat("./file1", 000) = 50 [pid 5147] creat("./file1", 000) = 51 [pid 5147] creat("./file1", 000) = 52 [pid 5147] creat("./file1", 000) = 53 [pid 5147] creat("./file1", 000) = 54 [pid 5147] creat("./file1", 000) = 55 [pid 5147] creat("./file1", 000) = 56 [pid 5147] creat("./file1", 000) = 57 [pid 5147] creat("./file1", 000) = 58 [pid 5147] creat("./file1", 000) = 59 [pid 5147] creat("./file1", 000) = 60 [pid 5147] creat("./file1", 000) = 61 [pid 5147] creat("./file1", 000) = 62 [pid 5147] creat("./file1", 000) = 63 [pid 5147] creat("./file1", 000) = 64 [pid 5147] creat("./file1", 000) = 65 [pid 5147] creat("./file1", 000) = 66 [pid 5147] creat("./file1", 000) = 67 [pid 5147] creat("./file1", 000) = 68 [pid 5147] futex(0x7f016fef36bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5145] exit_group(0) = ? [pid 5147] <... futex resumed>) = ? [pid 5146] <... futex resumed>) = ? [pid 5147] +++ exited with 0 +++ [pid 5146] +++ exited with 0 +++ [pid 5145] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5145, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- umount2("./34", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./34", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x555557252730 /* 4 entries */, 32768) = 104 umount2("./34/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./34/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./34/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./34/bus", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./34/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x55555725a770 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555725a770 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./34/bus") = 0 umount2("./34/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./34/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./34/binderfs") = 0 getdents64(3, 0x555557252730 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./34") = 0 mkdir("./35", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555557251690) = 5148 ./strace-static-x86_64: Process 5148 attached [pid 5148] set_robust_list(0x5555572516a0, 24) = 0 [pid 5148] chdir("./35") = 0 [pid 5148] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5148] setpgid(0, 0) = 0 [pid 5148] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5148] write(3, "1000", 4) = 4 [pid 5148] close(3) = 0 [pid 5148] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5148] futex(0x7f016fef36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5148] rt_sigaction(SIGRT_1, {sa_handler=0x7f016fe90eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f016fe82060}, NULL, 8) = 0 [pid 5148] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5148] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f016fe07000 [pid 5148] mprotect(0x7f016fe08000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5148] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5148] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f016fe27990, parent_tid=0x7f016fe27990, exit_signal=0, stack=0x7f016fe07000, stack_size=0x20300, tls=0x7f016fe276c0}./strace-static-x86_64: Process 5149 attached [pid 5149] rseq(0x7f016fe27fe0, 0x20, 0, 0x53053053 [pid 5148] <... clone3 resumed> => {parent_tid=[5149]}, 88) = 5149 [pid 5148] rt_sigprocmask(SIG_SETMASK, [], [pid 5149] <... rseq resumed>) = 0 [pid 5149] set_robust_list(0x7f016fe279a0, 24) = 0 [pid 5149] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5149] futex(0x7f016fef36a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5148] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5148] futex(0x7f016fef36a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5149] <... futex resumed>) = 0 [pid 5148] <... futex resumed>) = 1 [ 78.328301][ T2447] hfsplus: b-tree write err: -5, ino 8 [pid 5149] memfd_create("syzkaller", 0 [pid 5148] futex(0x7f016fef36ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5149] <... memfd_create resumed>) = 3 [pid 5149] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0167a07000 [pid 5149] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288) = 524288 [pid 5149] munmap(0x7f0167a07000, 524288) = 0 [pid 5149] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5149] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5149] close(3) = 0 [pid 5149] mkdir("./bus", 0777) = 0 [pid 5149] mount("/dev/loop0", "./bus", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK, "") = 0 [pid 5149] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5149] chdir("./bus") = 0 [pid 5149] ioctl(4, LOOP_CLR_FD) = 0 [pid 5149] close(4) = 0 [pid 5149] futex(0x7f016fef36ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5148] <... futex resumed>) = 0 [pid 5148] futex(0x7f016fef36a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5148] futex(0x7f016fef36bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5148] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0167a66000 [pid 5148] mprotect(0x7f0167a67000, 131072, PROT_READ|PROT_WRITE) = 0 [ 78.375863][ T5149] syz-executor191[5149]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [ 78.405206][ T5149] loop0: detected capacity change from 0 to 1024 [pid 5148] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5148] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0167a86990, parent_tid=0x7f0167a86990, exit_signal=0, stack=0x7f0167a66000, stack_size=0x20300, tls=0x7f0167a866c0} [pid 5149] rename("./file1", "./bus"./strace-static-x86_64: Process 5150 attached [pid 5148] <... clone3 resumed> => {parent_tid=[5150]}, 88) = 5150 [pid 5150] rseq(0x7f0167a86fe0, 0x20, 0, 0x53053053) = 0 [pid 5148] rt_sigprocmask(SIG_SETMASK, [], [pid 5150] set_robust_list(0x7f0167a869a0, 24) = 0 [pid 5148] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5150] rt_sigprocmask(SIG_SETMASK, [], [pid 5148] futex(0x7f016fef36b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5150] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5150] creat("./file1", 000 [pid 5148] <... futex resumed>) = 0 [pid 5148] futex(0x7f016fef36bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5149] <... rename resumed>) = 0 [pid 5149] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5149] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5149] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5149] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5149] rename("./file1", "./bus" [pid 5150] <... creat resumed>) = 4 [pid 5149] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5150] creat("./file1", 000 [pid 5149] rename("./file1", "./bus" [pid 5150] <... creat resumed>) = 5 [pid 5149] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5150] creat("./file1", 000 [ 78.436522][ T5149] ------------[ cut here ]------------ [ 78.442024][ T5149] WARNING: CPU: 0 PID: 5149 at fs/inode.c:330 drop_nlink+0xab/0xd0 [ 78.450019][ T5149] Modules linked in: [ 78.453897][ T5149] CPU: 0 PID: 5149 Comm: syz-executor191 Not tainted 6.5.0-next-20230831-syzkaller #0 [ 78.463495][ T5149] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 [ 78.473888][ T5149] RIP: 0010:drop_nlink+0xab/0xd0 [pid 5149] rename("./file1", "./bus" [pid 5148] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 78.479039][ T5149] Code: 43 48 8b 5d 28 be 08 00 00 00 48 8d bb 70 07 00 00 e8 c9 45 e9 ff f0 48 ff 83 70 07 00 00 5b 5d e9 ba 7d 93 ff e8 b5 7d 93 ff <0f> 0b c7 45 48 ff ff ff ff 5b 5d e9 a5 7d 93 ff e8 e0 3e e9 ff e9 [ 78.499011][ T5149] RSP: 0018:ffffc90003bbfa68 EFLAGS: 00010293 [ 78.505074][ T5149] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 78.513229][ T5149] RDX: ffff888023b83b80 RSI: ffffffff81f4612b RDI: 0000000000000005 [ 78.521262][ T5149] RBP: ffff8880763ce6f0 R08: 0000000000000005 R09: 0000000000000000 [ 78.529270][ T5149] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000014 [ 78.537347][ T5149] R13: ffff8880763cd970 R14: ffffc90003bbfaf0 R15: ffff888028db1800 [ 78.545367][ T5149] FS: 00007f016fe276c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 78.554345][ T5149] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 78.560995][ T5149] CR2: 00007f0167a86d58 CR3: 0000000026f4a000 CR4: 00000000003506f0 [ 78.569014][ T5149] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 78.577032][ T5149] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 78.585006][ T5149] Call Trace: [ 78.588310][ T5149] [ 78.591246][ T5149] ? show_regs+0x8f/0xa0 [ 78.595491][ T5149] ? __warn+0xe6/0x380 [ 78.599604][ T5149] ? drop_nlink+0xab/0xd0 [ 78.603952][ T5149] ? report_bug+0x3bc/0x580 [ 78.608508][ T5149] ? handle_bug+0x3c/0x70 [ 78.612855][ T5149] ? exc_invalid_op+0x17/0x40 [ 78.617591][ T5149] ? asm_exc_invalid_op+0x1a/0x20 [ 78.622630][ T5149] ? drop_nlink+0xab/0xd0 [ 78.627095][ T5149] ? drop_nlink+0xab/0xd0 [ 78.631453][ T5149] ? drop_nlink+0xab/0xd0 [pid 5148] exit_group(0) = ? [ 78.635843][ T5149] hfsplus_unlink+0x4e0/0x7f0 [ 78.640545][ T5149] ? hfsplus_symlink+0x2b0/0x2b0 [ 78.645485][ T5149] ? up_read+0x20/0x20 [ 78.649594][ T5149] ? do_raw_spin_lock+0x12e/0x2b0 [ 78.654650][ T5149] ? spin_bug+0x1d0/0x1d0 [ 78.659046][ T5149] hfsplus_rename+0xbc/0x200 [ 78.663671][ T5149] ? lock_two_inodes+0x10f/0x1e0 [ 78.668711][ T5149] vfs_rename+0xe23/0x1c30 [ 78.673164][ T5149] ? vfs_mkobj+0x5e0/0x5e0 [ 78.677691][ T5149] ? bpf_lsm_path_rename+0x9/0x10 [ 78.682733][ T5149] ? security_path_rename+0x15e/0x230 [ 78.688147][ T5149] do_renameat2+0xc3c/0xdc0 [ 78.692679][ T5149] ? __ia32_sys_link+0xa0/0xa0 [ 78.697499][ T5149] ? reacquire_held_locks+0x4b0/0x4b0 [ 78.702894][ T5149] ? preempt_count_sub+0x150/0x150 [ 78.708042][ T5149] ? __check_object_size+0x323/0x730 [ 78.713350][ T5149] ? strncpy_from_user+0x214/0x300 [ 78.718505][ T5149] ? getname_flags.part.0+0x1d5/0x4d0 [ 78.723906][ T5149] ? trace_irq_enable.constprop.0+0xd0/0x100 [ 78.729923][ T5149] __x64_sys_rename+0x81/0xa0 [ 78.734645][ T5149] do_syscall_64+0x38/0xb0 [ 78.739108][ T5149] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 78.745011][ T5149] RIP: 0033:0x7f016fe6aa99 [ 78.749457][ T5149] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 78.771103][ T5149] RSP: 002b:00007f016fe27218 EFLAGS: 00000246 ORIG_RAX: 0000000000000052 [ 78.779542][ T5149] RAX: ffffffffffffffda RBX: 000000000000003a RCX: 00007f016fe6aa99 [ 78.787582][ T5149] RDX: ffffffffffffffb0 RSI: 0000000020000100 RDI: 00000000200000c0 [ 78.795565][ T5149] RBP: 00007f016fef36a8 R08: 0000000000000000 R09: 0000000000000000 [ 78.803591][ T5149] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f016fef36a0 [ 78.811626][ T5149] R13: 0000000020000cc0 R14: 0031656c69662f2e R15: 0073756c70736668 [ 78.819686][ T5149] [ 78.822713][ T5149] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 78.829983][ T5149] CPU: 0 PID: 5149 Comm: syz-executor191 Not tainted 6.5.0-next-20230831-syzkaller #0 [ 78.839514][ T5149] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 [ 78.849565][ T5149] Call Trace: [ 78.852846][ T5149] [ 78.855763][ T5149] dump_stack_lvl+0xd9/0x1b0 [ 78.860376][ T5149] panic+0x6a6/0x750 [ 78.864265][ T5149] ? panic_smp_self_stop+0xa0/0xa0 [ 78.869372][ T5149] ? drop_nlink+0xab/0xd0 [ 78.873694][ T5149] check_panic_on_warn+0xab/0xb0 [ 78.878624][ T5149] __warn+0xf2/0x380 [ 78.882510][ T5149] ? drop_nlink+0xab/0xd0 [ 78.886840][ T5149] report_bug+0x3bc/0x580 [ 78.891255][ T5149] handle_bug+0x3c/0x70 [ 78.895413][ T5149] exc_invalid_op+0x17/0x40 [ 78.899913][ T5149] asm_exc_invalid_op+0x1a/0x20 [ 78.904754][ T5149] RIP: 0010:drop_nlink+0xab/0xd0 [ 78.909693][ T5149] Code: 43 48 8b 5d 28 be 08 00 00 00 48 8d bb 70 07 00 00 e8 c9 45 e9 ff f0 48 ff 83 70 07 00 00 5b 5d e9 ba 7d 93 ff e8 b5 7d 93 ff <0f> 0b c7 45 48 ff ff ff ff 5b 5d e9 a5 7d 93 ff e8 e0 3e e9 ff e9 [ 78.929301][ T5149] RSP: 0018:ffffc90003bbfa68 EFLAGS: 00010293 [ 78.935372][ T5149] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 78.943428][ T5149] RDX: ffff888023b83b80 RSI: ffffffff81f4612b RDI: 0000000000000005 [ 78.951405][ T5149] RBP: ffff8880763ce6f0 R08: 0000000000000005 R09: 0000000000000000 [ 78.959382][ T5149] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000014 [ 78.967353][ T5149] R13: ffff8880763cd970 R14: ffffc90003bbfaf0 R15: ffff888028db1800 [ 78.975352][ T5149] ? drop_nlink+0xab/0xd0 [ 78.979716][ T5149] ? drop_nlink+0xab/0xd0 [ 78.984062][ T5149] hfsplus_unlink+0x4e0/0x7f0 [ 78.988761][ T5149] ? hfsplus_symlink+0x2b0/0x2b0 [ 78.993730][ T5149] ? up_read+0x20/0x20 [ 78.997806][ T5149] ? do_raw_spin_lock+0x12e/0x2b0 [ 79.002858][ T5149] ? spin_bug+0x1d0/0x1d0 [ 79.007291][ T5149] hfsplus_rename+0xbc/0x200 [ 79.011894][ T5149] ? lock_two_inodes+0x10f/0x1e0 [ 79.016850][ T5149] vfs_rename+0xe23/0x1c30 [ 79.021295][ T5149] ? vfs_mkobj+0x5e0/0x5e0 [ 79.025733][ T5149] ? bpf_lsm_path_rename+0x9/0x10 [ 79.030772][ T5149] ? security_path_rename+0x15e/0x230 [ 79.036160][ T5149] do_renameat2+0xc3c/0xdc0 [ 79.040685][ T5149] ? __ia32_sys_link+0xa0/0xa0 [ 79.045465][ T5149] ? reacquire_held_locks+0x4b0/0x4b0 [ 79.050851][ T5149] ? preempt_count_sub+0x150/0x150 [ 79.055981][ T5149] ? __check_object_size+0x323/0x730 [ 79.061281][ T5149] ? strncpy_from_user+0x214/0x300 [ 79.066408][ T5149] ? getname_flags.part.0+0x1d5/0x4d0 [ 79.071806][ T5149] ? trace_irq_enable.constprop.0+0xd0/0x100 [ 79.077822][ T5149] __x64_sys_rename+0x81/0xa0 [ 79.082529][ T5149] do_syscall_64+0x38/0xb0 [ 79.087042][ T5149] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 79.092948][ T5149] RIP: 0033:0x7f016fe6aa99 [ 79.097372][ T5149] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 79.117071][ T5149] RSP: 002b:00007f016fe27218 EFLAGS: 00000246 ORIG_RAX: 0000000000000052 [ 79.125487][ T5149] RAX: ffffffffffffffda RBX: 000000000000003a RCX: 00007f016fe6aa99 [ 79.133459][ T5149] RDX: ffffffffffffffb0 RSI: 0000000020000100 RDI: 00000000200000c0 [ 79.141428][ T5149] RBP: 00007f016fef36a8 R08: 0000000000000000 R09: 0000000000000000 [ 79.149403][ T5149] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f016fef36a0 [ 79.157373][ T5149] R13: 0000000020000cc0 R14: 0031656c69662f2e R15: 0073756c70736668 [ 79.165361][ T5149] [ 79.168574][ T5149] Kernel Offset: disabled [ 79.172881][ T5149] Rebooting in 86400 seconds..