./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2164618684 <...> Warning: Permanently added '10.128.1.71' (ED25519) to the list of known hosts. execve("./syz-executor2164618684", ["./syz-executor2164618684"], 0x7ffd7e1d3460 /* 10 vars */) = 0 brk(NULL) = 0x555556a5c000 brk(0x555556a5cd40) = 0x555556a5cd40 arch_prctl(ARCH_SET_FS, 0x555556a5c3c0) = 0 set_tid_address(0x555556a5c690) = 5019 set_robust_list(0x555556a5c6a0, 24) = 0 rseq(0x555556a5cce0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2164618684", 4096) = 28 getrandom("\x6f\xe5\x56\x12\x1b\x2a\xab\x75", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555556a5cd40 brk(0x555556a7dd40) = 0x555556a7dd40 brk(0x555556a7e000) = 0x555556a7e000 mprotect(0x7f99ecde5000, 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.8sdZ34", 0700) = 0 chmod("./syzkaller.8sdZ34", 0777) = 0 chdir("./syzkaller.8sdZ34") = 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./strace-static-x86_64: Process 5021 attached , child_tidptr=0x555556a5c690) = 5021 [pid 5021] set_robust_list(0x555556a5c6a0, 24) = 0 [pid 5021] chdir("./0") = 0 [pid 5021] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5021] setpgid(0, 0) = 0 [pid 5021] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5021] write(3, "1000", 4) = 4 [pid 5021] close(3) = 0 [pid 5021] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5021] futex(0x7f99ecdeb6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5021] rt_sigaction(SIGRT_1, {sa_handler=0x7f99ecd88eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f99ecd7a060}, NULL, 8) = 0 [pid 5021] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5021] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f99eccff000 [pid 5021] mprotect(0x7f99ecd00000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5021] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5021] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f99ecd1f990, parent_tid=0x7f99ecd1f990, exit_signal=0, stack=0x7f99eccff000, stack_size=0x20300, tls=0x7f99ecd1f6c0} => {parent_tid=[5022]}, 88) = 5022 [pid 5021] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5021] futex(0x7f99ecdeb6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5021] futex(0x7f99ecdeb6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5022 attached [pid 5022] rseq(0x7f99ecd1ffe0, 0x20, 0, 0x53053053) = 0 [pid 5022] set_robust_list(0x7f99ecd1f9a0, 24) = 0 [pid 5022] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5022] memfd_create("syzkaller", 0) = 3 [pid 5022] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f99e48ff000 [pid 5022] 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 5022] munmap(0x7f99e48ff000, 524288) = 0 [pid 5022] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5022] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5022] close(3) = 0 [pid 5022] mkdir("./bus", 0777) = 0 [ 47.687682][ T5022] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=5022 'syz-executor216' [ 47.706812][ T5022] loop0: detected capacity change from 0 to 1024 [ 47.716371][ T5022] ======================================================= [ 47.716371][ T5022] WARNING: The mand mount option has been deprecated and [ 47.716371][ T5022] and is ignored by this kernel. Remove the mand [pid 5022] mount("/dev/loop0", "./bus", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK, "") = 0 [pid 5022] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5022] chdir("./bus") = 0 [pid 5022] ioctl(4, LOOP_CLR_FD) = 0 [pid 5022] close(4) = 0 [pid 5022] futex(0x7f99ecdeb6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5022] futex(0x7f99ecdeb6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5021] <... futex resumed>) = 0 [pid 5021] futex(0x7f99ecdeb6a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5021] futex(0x7f99ecdeb6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5021] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f99e495e000 [pid 5021] mprotect(0x7f99e495f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5021] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5021] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f99e497e990, parent_tid=0x7f99e497e990, exit_signal=0, stack=0x7f99e495e000, stack_size=0x20300, tls=0x7f99e497e6c0} [pid 5022] <... futex resumed>) = 0 [pid 5022] rename("./file1", "./bus"./strace-static-x86_64: Process 5023 attached [pid 5021] <... clone3 resumed> => {parent_tid=[5023]}, 88) = 5023 [pid 5023] rseq(0x7f99e497efe0, 0x20, 0, 0x53053053 [pid 5021] rt_sigprocmask(SIG_SETMASK, [], [pid 5023] <... rseq resumed>) = 0 [pid 5021] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5023] set_robust_list(0x7f99e497e9a0, 24 [pid 5021] futex(0x7f99ecdeb6b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5023] <... set_robust_list resumed>) = 0 [pid 5021] <... futex resumed>) = 0 [pid 5023] rt_sigprocmask(SIG_SETMASK, [], [pid 5021] futex(0x7f99ecdeb6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5023] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5023] creat("./file1", 000 [pid 5022] <... rename resumed>) = 0 [pid 5022] rename("./file1", "./bus" [pid 5023] <... creat resumed>) = 4 [pid 5023] creat("./file1", 000) = 5 [pid 5022] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5023] creat("./file1", 000 [pid 5022] rename("./file1", "./bus" [pid 5023] <... creat resumed>) = 6 [pid 5023] creat("./file1", 000 [pid 5022] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5023] <... creat resumed>) = 7 [pid 5022] rename("./file1", "./bus" [pid 5023] creat("./file1", 000 [pid 5022] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5022] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5022] rename("./file1", "./bus" [pid 5023] <... creat resumed>) = 8 [pid 5022] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5022] rename("./file1", "./bus" [pid 5023] creat("./file1", 000 [pid 5022] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5022] rename("./file1", "./bus" [pid 5023] <... creat resumed>) = 9 [pid 5022] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5022] rename("./file1", "./bus" [ 47.716371][ T5022] option from the mount to silence this warning. [ 47.716371][ T5022] ======================================================= [pid 5023] creat("./file1", 000 [pid 5022] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5022] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5022] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5022] rename("./file1", "./bus" [pid 5023] <... creat resumed>) = 10 [pid 5022] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5022] rename("./file1", "./bus" [pid 5023] creat("./file1", 000 [pid 5022] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5022] rename("./file1", "./bus" [pid 5023] <... creat resumed>) = 11 [pid 5022] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5022] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5022] rename("./file1", "./bus" [pid 5023] creat("./file1", 000 [pid 5022] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5022] rename("./file1", "./bus" [pid 5023] <... creat resumed>) = 12 [pid 5022] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5022] rename("./file1", "./bus" [pid 5023] creat("./file1", 000 [pid 5022] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5022] rename("./file1", "./bus" [pid 5023] <... creat resumed>) = 13 [pid 5022] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5023] creat("./file1", 000 [pid 5022] rename("./file1", "./bus" [pid 5023] <... creat resumed>) = 14 [pid 5022] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5023] creat("./file1", 000 [pid 5022] rename("./file1", "./bus" [pid 5023] <... creat resumed>) = 15 [pid 5022] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5023] creat("./file1", 000 [pid 5022] rename("./file1", "./bus" [pid 5023] <... creat resumed>) = 16 [pid 5022] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5023] creat("./file1", 000 [pid 5022] rename("./file1", "./bus" [pid 5023] <... creat resumed>) = 17 [pid 5022] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5023] creat("./file1", 000 [pid 5022] rename("./file1", "./bus" [pid 5023] <... creat resumed>) = 18 [pid 5022] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5023] creat("./file1", 000 [pid 5022] rename("./file1", "./bus" [pid 5023] <... creat resumed>) = 19 [pid 5022] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5023] creat("./file1", 000 [pid 5022] rename("./file1", "./bus" [pid 5023] <... creat resumed>) = 20 [pid 5022] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5023] creat("./file1", 000 [pid 5022] rename("./file1", "./bus" [pid 5023] <... creat resumed>) = 21 [pid 5022] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5023] creat("./file1", 000 [pid 5022] rename("./file1", "./bus" [pid 5023] <... creat resumed>) = 22 [pid 5022] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5023] creat("./file1", 000 [pid 5022] rename("./file1", "./bus" [pid 5023] <... creat resumed>) = 23 [pid 5022] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5023] creat("./file1", 000 [pid 5022] rename("./file1", "./bus" [pid 5023] <... creat resumed>) = 24 [pid 5022] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5023] creat("./file1", 000 [pid 5022] rename("./file1", "./bus" [pid 5023] <... creat resumed>) = 25 [pid 5022] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5023] creat("./file1", 000 [pid 5022] rename("./file1", "./bus" [pid 5023] <... creat resumed>) = 26 [pid 5022] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5023] creat("./file1", 000 [pid 5022] rename("./file1", "./bus" [pid 5023] <... creat resumed>) = 27 [pid 5022] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5023] creat("./file1", 000 [pid 5022] rename("./file1", "./bus" [pid 5023] <... creat resumed>) = 28 [pid 5022] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5023] creat("./file1", 000 [pid 5022] rename("./file1", "./bus" [pid 5023] <... creat resumed>) = 29 [pid 5022] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5023] creat("./file1", 000 [pid 5022] rename("./file1", "./bus" [pid 5023] <... creat resumed>) = 30 [pid 5022] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5022] rename("./file1", "./bus" [pid 5023] creat("./file1", 000 [pid 5022] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5022] rename("./file1", "./bus" [pid 5023] <... creat resumed>) = 31 [pid 5022] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5023] creat("./file1", 000 [pid 5022] rename("./file1", "./bus" [pid 5023] <... creat resumed>) = 32 [pid 5022] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5023] creat("./file1", 000 [pid 5022] rename("./file1", "./bus" [pid 5023] <... creat resumed>) = 33 [pid 5022] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5023] creat("./file1", 000 [pid 5022] rename("./file1", "./bus" [pid 5023] <... creat resumed>) = 34 [pid 5022] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5023] creat("./file1", 000 [pid 5022] rename("./file1", "./bus" [pid 5023] <... creat resumed>) = 35 [pid 5022] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5023] creat("./file1", 000 [pid 5022] rename("./file1", "./bus" [pid 5023] <... creat resumed>) = 36 [pid 5022] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5023] creat("./file1", 000 [pid 5022] rename("./file1", "./bus" [pid 5023] <... creat resumed>) = 37 [pid 5022] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5023] creat("./file1", 000 [pid 5022] rename("./file1", "./bus" [pid 5023] <... creat resumed>) = 38 [pid 5022] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5023] creat("./file1", 000 [pid 5022] rename("./file1", "./bus" [pid 5023] <... creat resumed>) = 39 [pid 5022] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5023] creat("./file1", 000 [pid 5022] rename("./file1", "./bus" [pid 5023] <... creat resumed>) = 40 [pid 5022] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5023] creat("./file1", 000 [pid 5022] rename("./file1", "./bus" [pid 5023] <... creat resumed>) = 41 [pid 5022] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5023] creat("./file1", 000 [pid 5022] rename("./file1", "./bus" [pid 5023] <... creat resumed>) = 42 [pid 5022] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5023] creat("./file1", 000 [pid 5022] rename("./file1", "./bus" [pid 5023] <... creat resumed>) = 43 [pid 5022] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5023] creat("./file1", 000 [pid 5022] rename("./file1", "./bus" [pid 5023] <... creat resumed>) = 44 [pid 5022] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5023] creat("./file1", 000 [pid 5022] rename("./file1", "./bus" [pid 5023] <... creat resumed>) = 45 [pid 5022] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5021] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5023] creat("./file1", 000 [pid 5022] rename("./file1", "./bus" [pid 5023] <... creat resumed>) = 46 [pid 5022] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5023] creat("./file1", 000 [pid 5022] rename("./file1", "./bus" [pid 5023] <... creat resumed>) = 47 [pid 5022] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5023] creat("./file1", 000 [pid 5022] rename("./file1", "./bus" [pid 5023] <... creat resumed>) = 48 [pid 5022] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5023] creat("./file1", 000 [pid 5022] rename("./file1", "./bus" [pid 5023] <... creat resumed>) = 49 [pid 5022] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5023] creat("./file1", 000 [pid 5022] rename("./file1", "./bus" [pid 5023] <... creat resumed>) = 50 [pid 5022] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5023] creat("./file1", 000 [pid 5022] rename("./file1", "./bus" [pid 5023] <... creat resumed>) = 51 [pid 5022] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5023] creat("./file1", 000 [pid 5022] rename("./file1", "./bus" [pid 5023] <... creat resumed>) = 52 [pid 5022] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5023] creat("./file1", 000 [pid 5022] rename("./file1", "./bus" [pid 5023] <... creat resumed>) = 53 [pid 5022] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5023] creat("./file1", 000 [pid 5022] rename("./file1", "./bus" [pid 5023] <... creat resumed>) = 54 [pid 5022] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5023] creat("./file1", 000 [pid 5022] rename("./file1", "./bus" [pid 5023] <... creat resumed>) = 55 [pid 5022] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5023] creat("./file1", 000 [pid 5022] rename("./file1", "./bus" [pid 5023] <... creat resumed>) = 56 [pid 5022] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5023] creat("./file1", 000 [pid 5022] rename("./file1", "./bus" [pid 5023] <... creat resumed>) = 57 [pid 5022] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5023] creat("./file1", 000 [pid 5022] rename("./file1", "./bus" [pid 5023] <... creat resumed>) = 58 [pid 5022] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5023] creat("./file1", 000 [pid 5022] futex(0x7f99ecdeb6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5022] futex(0x7f99ecdeb6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5023] <... creat resumed>) = 59 [pid 5023] creat("./file1", 000) = 60 [pid 5023] creat("./file1", 000) = 61 [pid 5023] creat("./file1", 000) = 62 [pid 5023] creat("./file1", 000) = 63 [pid 5023] creat("./file1", 000) = 64 [pid 5023] creat("./file1", 000) = 65 [pid 5023] creat("./file1", 000) = 66 [pid 5023] creat("./file1", 000) = 67 [pid 5023] creat("./file1", 000) = 68 [pid 5023] futex(0x7f99ecdeb6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5023] futex(0x7f99ecdeb6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5021] exit_group(0 [pid 5023] <... futex resumed>) = ? [pid 5022] <... futex resumed>) = ? [pid 5021] <... exit_group resumed>) = ? [pid 5023] +++ exited with 0 +++ [pid 5022] +++ exited with 0 +++ [pid 5021] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5021, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- 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, 0x555556a5d730 /* 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, 0x555556a65770 /* 2 entries */, 32768) = 48 getdents64(4, 0x555556a65770 /* 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, 0x555556a5d730 /* 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, child_tidptr=0x555556a5c690) = 5024 ./strace-static-x86_64: Process 5024 attached [pid 5024] set_robust_list(0x555556a5c6a0, 24) = 0 [pid 5024] chdir("./1") = 0 [pid 5024] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5024] setpgid(0, 0) = 0 [pid 5024] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5024] write(3, "1000", 4) = 4 [pid 5024] close(3) = 0 [pid 5024] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5024] futex(0x7f99ecdeb6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 47.863911][ T12] hfsplus: b-tree write err: -5, ino 8 [pid 5024] rt_sigaction(SIGRT_1, {sa_handler=0x7f99ecd88eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f99ecd7a060}, NULL, 8) = 0 [pid 5024] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5024] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f99eccff000 [pid 5024] mprotect(0x7f99ecd00000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5024] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5024] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f99ecd1f990, parent_tid=0x7f99ecd1f990, exit_signal=0, stack=0x7f99eccff000, stack_size=0x20300, tls=0x7f99ecd1f6c0}./strace-static-x86_64: Process 5025 attached [pid 5025] rseq(0x7f99ecd1ffe0, 0x20, 0, 0x53053053 [pid 5024] <... clone3 resumed> => {parent_tid=[5025]}, 88) = 5025 [pid 5025] <... rseq resumed>) = 0 [pid 5025] set_robust_list(0x7f99ecd1f9a0, 24) = 0 [pid 5025] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5025] futex(0x7f99ecdeb6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5024] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5024] futex(0x7f99ecdeb6a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5025] <... futex resumed>) = 0 [pid 5025] memfd_create("syzkaller", 0 [pid 5024] futex(0x7f99ecdeb6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5025] <... memfd_create resumed>) = 3 [pid 5025] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f99e48ff000 [pid 5025] 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 5025] munmap(0x7f99e48ff000, 524288) = 0 [pid 5025] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5025] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5025] close(3) = 0 [pid 5025] mkdir("./bus", 0777) = 0 [pid 5025] mount("/dev/loop0", "./bus", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK, "") = 0 [pid 5025] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5025] chdir("./bus") = 0 [pid 5025] ioctl(4, LOOP_CLR_FD) = 0 [pid 5025] close(4) = 0 [pid 5025] futex(0x7f99ecdeb6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5024] <... futex resumed>) = 0 [pid 5024] futex(0x7f99ecdeb6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5024] futex(0x7f99ecdeb6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5024] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f99e495e000 [pid 5024] mprotect(0x7f99e495f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5024] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5024] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f99e497e990, parent_tid=0x7f99e497e990, exit_signal=0, stack=0x7f99e495e000, stack_size=0x20300, tls=0x7f99e497e6c0} => {parent_tid=[5026]}, 88) = 5026 [pid 5024] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5024] futex(0x7f99ecdeb6b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5024] futex(0x7f99ecdeb6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5025] <... futex resumed>) = 1 [pid 5025] rename("./file1", "./bus") = 0 [pid 5025] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5025] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5025] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5025] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5025] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5025] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5025] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5025] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5025] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5025] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5025] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5025] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5025] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5025] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5025] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5025] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5025] rename("./file1", "./bus"./strace-static-x86_64: Process 5026 attached ) = -1 ENOENT (No such file or directory) [pid 5025] rename("./file1", "./bus" [pid 5026] rseq(0x7f99e497efe0, 0x20, 0, 0x53053053 [pid 5025] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5025] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5026] <... rseq resumed>) = 0 [pid 5025] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5025] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5025] rename("./file1", "./bus" [pid 5026] set_robust_list(0x7f99e497e9a0, 24 [pid 5025] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5025] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5025] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5025] rename("./file1", "./bus" [pid 5026] <... set_robust_list resumed>) = 0 [pid 5025] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5025] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5025] rename("./file1", "./bus" [pid 5026] rt_sigprocmask(SIG_SETMASK, [], [pid 5025] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5025] rename("./file1", "./bus" [pid 5026] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5025] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5025] rename("./file1", "./bus" [pid 5026] creat("./file1", 000 [pid 5025] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5025] rename("./file1", "./bus" [pid 5026] <... creat resumed>) = 4 [pid 5025] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5026] creat("./file1", 000 [pid 5025] rename("./file1", "./bus" [pid 5026] <... creat resumed>) = 5 [pid 5026] creat("./file1", 000) = 6 [pid 5026] creat("./file1", 000) = 7 [pid 5025] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5026] creat("./file1", 000 [pid 5025] rename("./file1", "./bus" [pid 5026] <... creat resumed>) = 8 [pid 5025] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5026] creat("./file1", 000 [pid 5025] rename("./file1", "./bus" [pid 5026] <... creat resumed>) = 9 [pid 5026] creat("./file1", 000 [pid 5025] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5025] rename("./file1", "./bus" [pid 5026] <... creat resumed>) = 10 [pid 5025] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5026] creat("./file1", 000 [pid 5025] rename("./file1", "./bus" [pid 5026] <... creat resumed>) = 11 [pid 5025] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5025] rename("./file1", "./bus" [pid 5026] creat("./file1", 000 [pid 5025] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5025] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5025] rename("./file1", "./bus" [pid 5026] <... creat resumed>) = 12 [pid 5025] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5026] creat("./file1", 000 [pid 5025] rename("./file1", "./bus" [pid 5026] <... creat resumed>) = 13 [pid 5025] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5026] creat("./file1", 000 [pid 5025] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5025] rename("./file1", "./bus" [pid 5026] <... creat resumed>) = 14 [pid 5025] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5025] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5025] rename("./file1", "./bus" [pid 5026] creat("./file1", 000 [pid 5025] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5025] rename("./file1", "./bus" [pid 5026] <... creat resumed>) = 15 [pid 5025] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5026] creat("./file1", 000 [pid 5025] rename("./file1", "./bus" [pid 5026] <... creat resumed>) = 16 [pid 5025] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5026] creat("./file1", 000 [pid 5025] rename("./file1", "./bus" [pid 5026] <... creat resumed>) = 17 [pid 5025] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5026] creat("./file1", 000 [pid 5025] rename("./file1", "./bus" [pid 5026] <... creat resumed>) = 18 [pid 5025] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5026] creat("./file1", 000 [pid 5025] rename("./file1", "./bus" [pid 5026] <... creat resumed>) = 19 [pid 5025] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5026] creat("./file1", 000 [pid 5025] rename("./file1", "./bus" [pid 5026] <... creat resumed>) = 20 [pid 5025] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5026] creat("./file1", 000 [pid 5025] rename("./file1", "./bus" [pid 5026] <... creat resumed>) = 21 [pid 5025] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5026] creat("./file1", 000 [ 47.953187][ T5025] loop0: detected capacity change from 0 to 1024 [pid 5025] rename("./file1", "./bus" [pid 5026] <... creat resumed>) = 22 [pid 5025] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5026] creat("./file1", 000 [pid 5025] rename("./file1", "./bus" [pid 5026] <... creat resumed>) = 23 [pid 5025] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5026] creat("./file1", 000 [pid 5025] rename("./file1", "./bus" [pid 5026] <... creat resumed>) = 24 [pid 5025] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5026] creat("./file1", 000 [pid 5025] rename("./file1", "./bus" [pid 5026] <... creat resumed>) = 25 [pid 5025] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5026] creat("./file1", 000 [pid 5025] rename("./file1", "./bus" [pid 5026] <... creat resumed>) = 26 [pid 5025] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5026] creat("./file1", 000 [pid 5025] rename("./file1", "./bus" [pid 5026] <... creat resumed>) = 27 [pid 5025] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5026] creat("./file1", 000 [pid 5025] rename("./file1", "./bus" [pid 5026] <... creat resumed>) = 28 [pid 5025] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5026] creat("./file1", 000 [pid 5025] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5025] rename("./file1", "./bus" [pid 5026] <... creat resumed>) = 29 [pid 5025] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5026] creat("./file1", 000 [pid 5025] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5025] rename("./file1", "./bus" [pid 5026] <... creat resumed>) = 30 [pid 5025] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5026] creat("./file1", 000 [pid 5025] rename("./file1", "./bus" [pid 5026] <... creat resumed>) = 31 [pid 5025] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5026] creat("./file1", 000 [pid 5025] rename("./file1", "./bus" [pid 5026] <... creat resumed>) = 32 [pid 5025] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5026] creat("./file1", 000 [pid 5025] rename("./file1", "./bus" [pid 5026] <... creat resumed>) = 33 [pid 5025] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5026] creat("./file1", 000 [pid 5025] futex(0x7f99ecdeb6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5026] <... creat resumed>) = 34 [pid 5025] futex(0x7f99ecdeb6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5026] creat("./file1", 000) = 35 [pid 5026] creat("./file1", 000) = 36 [pid 5026] creat("./file1", 000) = 37 [pid 5026] creat("./file1", 000) = 38 [pid 5026] creat("./file1", 000) = 39 [pid 5026] creat("./file1", 000) = 40 [pid 5026] creat("./file1", 000 [pid 5024] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5026] <... creat resumed>) = 41 [pid 5026] creat("./file1", 000) = 42 [pid 5026] creat("./file1", 000) = 43 [pid 5026] creat("./file1", 000) = 44 [pid 5026] creat("./file1", 000) = 45 [pid 5026] creat("./file1", 000) = 46 [pid 5026] creat("./file1", 000) = 47 [pid 5026] creat("./file1", 000) = 48 [pid 5026] creat("./file1", 000) = 49 [pid 5026] creat("./file1", 000) = 50 [pid 5026] creat("./file1", 000) = 51 [pid 5026] creat("./file1", 000) = 52 [pid 5026] creat("./file1", 000) = 53 [pid 5026] creat("./file1", 000) = 54 [pid 5026] creat("./file1", 000) = 55 [pid 5026] creat("./file1", 000) = 56 [pid 5026] creat("./file1", 000) = 57 [pid 5026] creat("./file1", 000) = 58 [pid 5026] creat("./file1", 000) = 59 [pid 5026] creat("./file1", 000) = 60 [pid 5026] creat("./file1", 000) = 61 [pid 5026] creat("./file1", 000) = 62 [pid 5026] creat("./file1", 000) = 63 [pid 5026] creat("./file1", 000) = 64 [pid 5026] creat("./file1", 000) = 65 [pid 5026] creat("./file1", 000) = 66 [pid 5026] creat("./file1", 000) = 67 [pid 5026] creat("./file1", 000) = 68 [pid 5026] futex(0x7f99ecdeb6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5026] futex(0x7f99ecdeb6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5024] exit_group(0 [pid 5026] <... futex resumed>) = ? [pid 5025] <... futex resumed>) = ? [pid 5024] <... exit_group resumed>) = ? [pid 5026] +++ exited with 0 +++ [pid 5025] +++ exited with 0 +++ [pid 5024] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5024, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- 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, 0x555556a5d730 /* 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, 0x555556a65770 /* 2 entries */, 32768) = 48 getdents64(4, 0x555556a65770 /* 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, 0x555556a5d730 /* 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=0x555556a5c690) = 5027 ./strace-static-x86_64: Process 5027 attached [pid 5027] set_robust_list(0x555556a5c6a0, 24) = 0 [pid 5027] chdir("./2") = 0 [pid 5027] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5027] setpgid(0, 0) = 0 [pid 5027] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5027] write(3, "1000", 4) = 4 [pid 5027] close(3) = 0 [pid 5027] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5027] futex(0x7f99ecdeb6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5027] rt_sigaction(SIGRT_1, {sa_handler=0x7f99ecd88eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f99ecd7a060}, NULL, 8) = 0 [pid 5027] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5027] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f99eccff000 [pid 5027] mprotect(0x7f99ecd00000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5027] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5027] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f99ecd1f990, parent_tid=0x7f99ecd1f990, exit_signal=0, stack=0x7f99eccff000, stack_size=0x20300, tls=0x7f99ecd1f6c0}./strace-static-x86_64: Process 5028 attached [pid 5028] rseq(0x7f99ecd1ffe0, 0x20, 0, 0x53053053) = 0 [ 48.055531][ T47] hfsplus: b-tree write err: -5, ino 8 [pid 5028] set_robust_list(0x7f99ecd1f9a0, 24) = 0 [pid 5028] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5028] futex(0x7f99ecdeb6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5027] <... clone3 resumed> => {parent_tid=[5028]}, 88) = 5028 [pid 5027] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5027] futex(0x7f99ecdeb6a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5028] <... futex resumed>) = 0 [pid 5028] memfd_create("syzkaller", 0 [pid 5027] futex(0x7f99ecdeb6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5028] <... memfd_create resumed>) = 3 [pid 5028] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f99e48ff000 [pid 5028] 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 5028] munmap(0x7f99e48ff000, 524288) = 0 [pid 5028] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5028] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5028] close(3) = 0 [pid 5028] mkdir("./bus", 0777) = 0 [pid 5028] mount("/dev/loop0", "./bus", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK, "") = 0 [pid 5028] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5028] chdir("./bus") = 0 [pid 5028] ioctl(4, LOOP_CLR_FD) = 0 [pid 5028] close(4) = 0 [pid 5028] futex(0x7f99ecdeb6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5027] <... futex resumed>) = 0 [pid 5027] futex(0x7f99ecdeb6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5027] futex(0x7f99ecdeb6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5027] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f99e495e000 [pid 5027] mprotect(0x7f99e495f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5027] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5027] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f99e497e990, parent_tid=0x7f99e497e990, exit_signal=0, stack=0x7f99e495e000, stack_size=0x20300, tls=0x7f99e497e6c0} [pid 5028] <... futex resumed>) = 1 [pid 5028] rename("./file1", "./bus" [pid 5027] <... clone3 resumed> => {parent_tid=[5029]}, 88) = 5029 [pid 5028] <... rename resumed>) = 0 [pid 5027] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5027] futex(0x7f99ecdeb6b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5028] rename("./file1", "./bus" [pid 5027] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5029 attached [pid 5028] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5027] futex(0x7f99ecdeb6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5028] rename("./file1", "./bus" [pid 5029] rseq(0x7f99e497efe0, 0x20, 0, 0x53053053 [pid 5028] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5028] rename("./file1", "./bus" [pid 5029] <... rseq resumed>) = 0 [pid 5028] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5028] rename("./file1", "./bus" [pid 5029] set_robust_list(0x7f99e497e9a0, 24 [pid 5028] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5028] rename("./file1", "./bus" [pid 5029] <... set_robust_list resumed>) = 0 [pid 5028] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5028] rename("./file1", "./bus" [pid 5029] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5029] creat("./file1", 000 [pid 5028] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5028] rename("./file1", "./bus" [pid 5029] <... creat resumed>) = 4 [pid 5028] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5029] creat("./file1", 000 [pid 5028] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5029] <... creat resumed>) = 5 [pid 5028] rename("./file1", "./bus" [pid 5029] creat("./file1", 000) = 6 [pid 5028] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5029] creat("./file1", 000 [pid 5028] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5029] <... creat resumed>) = 7 [pid 5028] rename("./file1", "./bus" [pid 5029] creat("./file1", 000) = 8 [pid 5028] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5029] creat("./file1", 000 [pid 5028] rename("./file1", "./bus" [pid 5029] <... creat resumed>) = 9 [pid 5028] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5029] creat("./file1", 000 [pid 5028] rename("./file1", "./bus" [pid 5029] <... creat resumed>) = 10 [pid 5029] creat("./file1", 000 [pid 5028] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5029] <... creat resumed>) = 11 [pid 5028] rename("./file1", "./bus" [pid 5029] creat("./file1", 000) = 12 [pid 5028] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5029] creat("./file1", 000 [pid 5028] rename("./file1", "./bus" [pid 5029] <... creat resumed>) = 13 [pid 5028] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5029] creat("./file1", 000 [pid 5028] rename("./file1", "./bus" [pid 5029] <... creat resumed>) = 14 [pid 5028] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5028] rename("./file1", "./bus" [pid 5029] creat("./file1", 000 [pid 5028] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5029] <... creat resumed>) = 15 [pid 5028] rename("./file1", "./bus" [pid 5029] creat("./file1", 000 [pid 5028] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5028] rename("./file1", "./bus" [pid 5029] <... creat resumed>) = 16 [pid 5028] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5029] creat("./file1", 000 [pid 5028] rename("./file1", "./bus" [pid 5029] <... creat resumed>) = 17 [pid 5028] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5028] rename("./file1", "./bus" [pid 5029] creat("./file1", 000 [pid 5028] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5029] <... creat resumed>) = 18 [pid 5028] rename("./file1", "./bus" [pid 5029] creat("./file1", 000) = 19 [pid 5028] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5029] creat("./file1", 000 [pid 5028] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5029] <... creat resumed>) = 20 [pid 5028] rename("./file1", "./bus" [pid 5029] creat("./file1", 000) = 21 [pid 5028] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5029] creat("./file1", 000 [pid 5028] rename("./file1", "./bus" [pid 5029] <... creat resumed>) = 22 [pid 5028] <... rename resumed>) = -1 ENOENT (No such file or directory) [ 48.128509][ T5028] loop0: detected capacity change from 0 to 1024 [pid 5029] creat("./file1", 000 [pid 5028] rename("./file1", "./bus" [pid 5029] <... creat resumed>) = 23 [pid 5028] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5029] creat("./file1", 000 [pid 5028] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5029] <... creat resumed>) = 24 [pid 5028] rename("./file1", "./bus" [pid 5029] creat("./file1", 000 [pid 5028] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5029] <... creat resumed>) = 25 [pid 5028] rename("./file1", "./bus" [pid 5029] creat("./file1", 000) = 26 [pid 5028] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5029] creat("./file1", 000 [pid 5028] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5029] <... creat resumed>) = 27 [pid 5028] rename("./file1", "./bus" [pid 5029] creat("./file1", 000 [pid 5028] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5029] <... creat resumed>) = 28 [pid 5029] creat("./file1", 000 [pid 5028] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5029] <... creat resumed>) = 29 [pid 5028] rename("./file1", "./bus" [pid 5029] creat("./file1", 000 [pid 5028] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5028] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5029] <... creat resumed>) = 30 [pid 5028] rename("./file1", "./bus" [pid 5029] creat("./file1", 000 [pid 5028] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5028] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5029] <... creat resumed>) = 31 [pid 5029] creat("./file1", 000 [pid 5028] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5029] <... creat resumed>) = 32 [pid 5028] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5029] creat("./file1", 000 [pid 5028] rename("./file1", "./bus" [pid 5029] <... creat resumed>) = 33 [pid 5028] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5029] creat("./file1", 000 [pid 5028] rename("./file1", "./bus" [pid 5029] <... creat resumed>) = 34 [pid 5028] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5029] creat("./file1", 000 [pid 5028] rename("./file1", "./bus" [pid 5029] <... creat resumed>) = 35 [pid 5028] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5029] creat("./file1", 000 [pid 5028] rename("./file1", "./bus" [pid 5029] <... creat resumed>) = 36 [pid 5028] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5029] creat("./file1", 000 [pid 5028] rename("./file1", "./bus" [pid 5029] <... creat resumed>) = 37 [pid 5028] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5029] creat("./file1", 000 [pid 5028] rename("./file1", "./bus" [pid 5029] <... creat resumed>) = 38 [pid 5028] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5029] creat("./file1", 000 [pid 5028] rename("./file1", "./bus" [pid 5029] <... creat resumed>) = 39 [pid 5028] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5029] creat("./file1", 000 [pid 5028] rename("./file1", "./bus" [pid 5029] <... creat resumed>) = 40 [pid 5028] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5029] creat("./file1", 000 [pid 5028] rename("./file1", "./bus" [pid 5029] <... creat resumed>) = 41 [pid 5028] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5029] creat("./file1", 000 [pid 5028] rename("./file1", "./bus" [pid 5029] <... creat resumed>) = 42 [pid 5028] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5029] creat("./file1", 000 [pid 5028] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5028] rename("./file1", "./bus" [pid 5029] <... creat resumed>) = 43 [pid 5028] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5029] creat("./file1", 000 [pid 5028] rename("./file1", "./bus" [pid 5029] <... creat resumed>) = 44 [pid 5028] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5029] creat("./file1", 000 [pid 5028] rename("./file1", "./bus" [pid 5029] <... creat resumed>) = 45 [pid 5028] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5029] creat("./file1", 000 [pid 5028] rename("./file1", "./bus" [pid 5029] <... creat resumed>) = 46 [pid 5028] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5029] creat("./file1", 000 [pid 5028] rename("./file1", "./bus" [pid 5027] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5029] <... creat resumed>) = 47 [pid 5028] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5029] creat("./file1", 000 [pid 5028] rename("./file1", "./bus" [pid 5029] <... creat resumed>) = 48 [pid 5028] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5029] creat("./file1", 000 [pid 5028] rename("./file1", "./bus" [pid 5029] <... creat resumed>) = 49 [pid 5028] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5029] creat("./file1", 000 [pid 5028] rename("./file1", "./bus" [pid 5029] <... creat resumed>) = 50 [pid 5028] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5029] creat("./file1", 000 [pid 5028] rename("./file1", "./bus" [pid 5029] <... creat resumed>) = 51 [pid 5028] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5029] creat("./file1", 000 [pid 5028] rename("./file1", "./bus" [pid 5029] <... creat resumed>) = 52 [pid 5028] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5029] creat("./file1", 000 [pid 5028] rename("./file1", "./bus" [pid 5029] <... creat resumed>) = 53 [pid 5028] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5029] creat("./file1", 000 [pid 5028] rename("./file1", "./bus" [pid 5029] <... creat resumed>) = 54 [pid 5028] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5029] creat("./file1", 000 [pid 5028] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5028] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5029] <... creat resumed>) = 55 [pid 5028] rename("./file1", "./bus" [pid 5029] creat("./file1", 000 [pid 5028] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5028] futex(0x7f99ecdeb6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5029] <... creat resumed>) = 56 [pid 5028] <... futex resumed>) = 0 [pid 5028] futex(0x7f99ecdeb6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5029] creat("./file1", 000) = 57 [pid 5029] creat("./file1", 000) = 58 [pid 5029] creat("./file1", 000) = 59 [pid 5029] creat("./file1", 000) = 60 [pid 5029] creat("./file1", 000) = 61 [pid 5029] creat("./file1", 000) = 62 [pid 5029] creat("./file1", 000) = 63 [pid 5029] creat("./file1", 000) = 64 [pid 5029] creat("./file1", 000) = 65 [pid 5029] creat("./file1", 000) = 66 [pid 5029] creat("./file1", 000) = 67 [pid 5029] creat("./file1", 000) = 68 [pid 5029] futex(0x7f99ecdeb6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5029] futex(0x7f99ecdeb6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5027] exit_group(0 [pid 5029] <... futex resumed>) = ? [pid 5028] <... futex resumed>) = ? [pid 5027] <... exit_group resumed>) = ? [pid 5029] +++ exited with 0 +++ [pid 5028] +++ exited with 0 +++ [pid 5027] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5027, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 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, 0x555556a5d730 /* 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, 0x555556a65770 /* 2 entries */, 32768) = 48 getdents64(4, 0x555556a65770 /* 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, 0x555556a5d730 /* 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, child_tidptr=0x555556a5c690) = 5030 ./strace-static-x86_64: Process 5030 attached [pid 5030] set_robust_list(0x555556a5c6a0, 24) = 0 [pid 5030] chdir("./3") = 0 [pid 5030] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5030] setpgid(0, 0) = 0 [pid 5030] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5030] write(3, "1000", 4) = 4 [pid 5030] close(3) = 0 [pid 5030] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5030] futex(0x7f99ecdeb6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5030] rt_sigaction(SIGRT_1, {sa_handler=0x7f99ecd88eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f99ecd7a060}, NULL, 8) = 0 [pid 5030] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5030] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f99eccff000 [pid 5030] mprotect(0x7f99ecd00000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5030] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5030] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f99ecd1f990, parent_tid=0x7f99ecd1f990, exit_signal=0, stack=0x7f99eccff000, stack_size=0x20300, tls=0x7f99ecd1f6c0} => {parent_tid=[5031]}, 88) = 5031 ./strace-static-x86_64: Process 5031 attached [pid 5030] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5030] futex(0x7f99ecdeb6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5030] futex(0x7f99ecdeb6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5031] rseq(0x7f99ecd1ffe0, 0x20, 0, 0x53053053) = 0 [pid 5031] set_robust_list(0x7f99ecd1f9a0, 24) = 0 [pid 5031] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5031] memfd_create("syzkaller", 0) = 3 [pid 5031] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f99e48ff000 [pid 5031] 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 5031] munmap(0x7f99e48ff000, 524288) = 0 [pid 5031] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 48.249078][ T12] hfsplus: b-tree write err: -5, ino 8 [pid 5031] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5031] close(3) = 0 [pid 5031] mkdir("./bus", 0777) = 0 [pid 5031] mount("/dev/loop0", "./bus", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK, "") = 0 [pid 5031] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5031] chdir("./bus") = 0 [pid 5031] ioctl(4, LOOP_CLR_FD) = 0 [pid 5031] close(4) = 0 [pid 5031] futex(0x7f99ecdeb6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5030] <... futex resumed>) = 0 [pid 5030] futex(0x7f99ecdeb6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5031] rename("./file1", "./bus" [pid 5030] futex(0x7f99ecdeb6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5030] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f99e495e000 [pid 5030] mprotect(0x7f99e495f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5030] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5030] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f99e497e990, parent_tid=0x7f99e497e990, exit_signal=0, stack=0x7f99e495e000, stack_size=0x20300, tls=0x7f99e497e6c0}./strace-static-x86_64: Process 5032 attached => {parent_tid=[5032]}, 88) = 5032 [pid 5030] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5030] futex(0x7f99ecdeb6b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5030] futex(0x7f99ecdeb6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5032] rseq(0x7f99e497efe0, 0x20, 0, 0x53053053) = 0 [pid 5031] <... rename resumed>) = 0 [pid 5032] set_robust_list(0x7f99e497e9a0, 24 [pid 5031] rename("./file1", "./bus" [pid 5032] <... set_robust_list resumed>) = 0 [pid 5032] rt_sigprocmask(SIG_SETMASK, [], [pid 5031] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5032] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5032] creat("./file1", 000 [pid 5031] rename("./file1", "./bus" [pid 5032] <... creat resumed>) = 4 [pid 5032] creat("./file1", 000 [pid 5031] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5032] <... creat resumed>) = 5 [pid 5032] creat("./file1", 000 [pid 5031] rename("./file1", "./bus" [pid 5032] <... creat resumed>) = 6 [pid 5031] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5032] creat("./file1", 000 [pid 5031] rename("./file1", "./bus" [pid 5032] <... creat resumed>) = 7 [pid 5031] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5032] creat("./file1", 000 [pid 5031] rename("./file1", "./bus" [pid 5032] <... creat resumed>) = 8 [pid 5031] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5032] creat("./file1", 000 [pid 5031] rename("./file1", "./bus" [pid 5032] <... creat resumed>) = 9 [pid 5031] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5032] creat("./file1", 000 [pid 5031] rename("./file1", "./bus" [pid 5032] <... creat resumed>) = 10 [pid 5032] creat("./file1", 000 [pid 5031] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5032] <... creat resumed>) = 11 [pid 5032] creat("./file1", 000 [pid 5031] rename("./file1", "./bus" [pid 5032] <... creat resumed>) = 12 [pid 5031] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5032] creat("./file1", 000 [pid 5031] rename("./file1", "./bus" [pid 5032] <... creat resumed>) = 13 [pid 5031] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5032] creat("./file1", 000) = 14 [pid 5031] rename("./file1", "./bus" [pid 5032] creat("./file1", 000) = 15 [pid 5031] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5032] creat("./file1", 000) = 16 [pid 5031] rename("./file1", "./bus" [pid 5032] creat("./file1", 000) = 17 [pid 5031] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5032] creat("./file1", 000 [pid 5031] rename("./file1", "./bus" [pid 5032] <... creat resumed>) = 18 [pid 5031] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5031] rename("./file1", "./bus" [pid 5032] creat("./file1", 000) = 19 [pid 5031] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5032] creat("./file1", 000 [pid 5031] rename("./file1", "./bus" [pid 5032] <... creat resumed>) = 20 [pid 5031] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5031] rename("./file1", "./bus" [pid 5032] creat("./file1", 000) = 21 [pid 5031] <... rename resumed>) = -1 ENOENT (No such file or directory) [ 48.306782][ T5031] loop0: detected capacity change from 0 to 1024 [pid 5032] creat("./file1", 000 [pid 5031] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5031] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5031] rename("./file1", "./bus" [pid 5032] <... creat resumed>) = 22 [pid 5031] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5032] creat("./file1", 000 [pid 5031] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5032] <... creat resumed>) = 23 [pid 5031] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5031] rename("./file1", "./bus" [pid 5032] creat("./file1", 000 [pid 5031] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5031] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5031] rename("./file1", "./bus" [pid 5032] <... creat resumed>) = 24 [pid 5031] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5031] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5032] creat("./file1", 000 [pid 5031] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5031] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5031] rename("./file1", "./bus" [pid 5032] <... creat resumed>) = 25 [pid 5031] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5031] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5032] creat("./file1", 000 [pid 5031] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5031] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5031] rename("./file1", "./bus" [pid 5032] <... creat resumed>) = 26 [pid 5032] creat("./file1", 000 [pid 5031] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5032] <... creat resumed>) = 27 [pid 5031] rename("./file1", "./bus" [pid 5032] creat("./file1", 000) = 28 [pid 5031] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5032] creat("./file1", 000 [pid 5031] rename("./file1", "./bus" [pid 5032] <... creat resumed>) = 29 [pid 5031] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5030] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5032] creat("./file1", 000 [pid 5031] rename("./file1", "./bus" [pid 5032] <... creat resumed>) = 30 [pid 5032] creat("./file1", 000 [pid 5031] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5032] <... creat resumed>) = 31 [pid 5031] rename("./file1", "./bus" [pid 5032] creat("./file1", 000) = 32 [pid 5031] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5032] creat("./file1", 000 [pid 5031] rename("./file1", "./bus" [pid 5032] <... creat resumed>) = 33 [pid 5031] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5032] creat("./file1", 000 [pid 5031] rename("./file1", "./bus" [pid 5032] <... creat resumed>) = 34 [pid 5031] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5032] creat("./file1", 000 [pid 5031] rename("./file1", "./bus" [pid 5032] <... creat resumed>) = 35 [pid 5031] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5032] creat("./file1", 000 [pid 5031] rename("./file1", "./bus" [pid 5032] <... creat resumed>) = 36 [pid 5032] creat("./file1", 000 [pid 5031] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5032] <... creat resumed>) = 37 [pid 5031] rename("./file1", "./bus" [pid 5032] creat("./file1", 000 [pid 5031] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5031] rename("./file1", "./bus" [pid 5032] <... creat resumed>) = 38 [pid 5031] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5031] rename("./file1", "./bus" [pid 5032] creat("./file1", 000 [pid 5031] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5031] rename("./file1", "./bus" [pid 5032] <... creat resumed>) = 39 [pid 5031] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5032] creat("./file1", 000 [pid 5031] rename("./file1", "./bus" [pid 5032] <... creat resumed>) = 40 [pid 5031] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5032] creat("./file1", 000 [pid 5031] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5032] <... creat resumed>) = 41 [pid 5031] rename("./file1", "./bus" [pid 5032] creat("./file1", 000 [pid 5031] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5031] rename("./file1", "./bus" [pid 5032] <... creat resumed>) = 42 [pid 5031] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5032] creat("./file1", 000 [pid 5031] rename("./file1", "./bus" [pid 5032] <... creat resumed>) = 43 [pid 5031] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5032] creat("./file1", 000 [pid 5031] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5032] <... creat resumed>) = 44 [pid 5031] rename("./file1", "./bus" [pid 5032] creat("./file1", 000 [pid 5031] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5031] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5032] <... creat resumed>) = 45 [pid 5031] rename("./file1", "./bus" [pid 5032] creat("./file1", 000 [pid 5031] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5031] rename("./file1", "./bus" [pid 5032] <... creat resumed>) = 46 [pid 5031] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5032] creat("./file1", 000 [pid 5031] rename("./file1", "./bus" [pid 5032] <... creat resumed>) = 47 [pid 5031] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5032] creat("./file1", 000 [pid 5031] rename("./file1", "./bus" [pid 5032] <... creat resumed>) = 48 [pid 5031] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5032] creat("./file1", 000 [pid 5031] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5032] <... creat resumed>) = 49 [pid 5031] rename("./file1", "./bus" [pid 5032] creat("./file1", 000 [pid 5031] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5031] rename("./file1", "./bus" [pid 5032] <... creat resumed>) = 50 [pid 5031] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5031] rename("./file1", "./bus" [pid 5032] creat("./file1", 000 [pid 5031] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5031] rename("./file1", "./bus" [pid 5032] <... creat resumed>) = 51 [pid 5031] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5032] creat("./file1", 000 [pid 5031] rename("./file1", "./bus" [pid 5032] <... creat resumed>) = 52 [pid 5031] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5032] creat("./file1", 000 [pid 5031] rename("./file1", "./bus" [pid 5032] <... creat resumed>) = 53 [pid 5031] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5032] creat("./file1", 000 [pid 5031] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5032] <... creat resumed>) = 54 [pid 5031] rename("./file1", "./bus" [pid 5032] creat("./file1", 000 [pid 5031] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5032] <... creat resumed>) = 55 [pid 5031] futex(0x7f99ecdeb6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5032] creat("./file1", 000 [pid 5031] <... futex resumed>) = 0 [pid 5031] futex(0x7f99ecdeb6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5032] <... creat resumed>) = 56 [pid 5032] creat("./file1", 000) = 57 [pid 5032] creat("./file1", 000) = 58 [pid 5032] creat("./file1", 000) = 59 [pid 5032] creat("./file1", 000) = 60 [pid 5032] creat("./file1", 000) = 61 [pid 5032] creat("./file1", 000) = 62 [pid 5032] creat("./file1", 000) = 63 [pid 5032] creat("./file1", 000) = 64 [pid 5032] creat("./file1", 000) = 65 [pid 5032] creat("./file1", 000) = 66 [pid 5032] creat("./file1", 000) = 67 [pid 5032] creat("./file1", 000) = 68 [pid 5032] futex(0x7f99ecdeb6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5030] exit_group(0 [pid 5032] <... futex resumed>) = ? [pid 5031] <... futex resumed>) = ? [pid 5030] <... exit_group resumed>) = ? [pid 5032] +++ exited with 0 +++ [pid 5031] +++ exited with 0 +++ [pid 5030] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5030, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 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, 0x555556a5d730 /* 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, 0x555556a65770 /* 2 entries */, 32768) = 48 getdents64(4, 0x555556a65770 /* 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, 0x555556a5d730 /* 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, child_tidptr=0x555556a5c690) = 5033 ./strace-static-x86_64: Process 5033 attached [pid 5033] set_robust_list(0x555556a5c6a0, 24) = 0 [pid 5033] chdir("./4") = 0 [pid 5033] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5033] setpgid(0, 0) = 0 [pid 5033] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5033] write(3, "1000", 4) = 4 [pid 5033] close(3) = 0 [pid 5033] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5033] futex(0x7f99ecdeb6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5033] rt_sigaction(SIGRT_1, {sa_handler=0x7f99ecd88eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f99ecd7a060}, NULL, 8) = 0 [pid 5033] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5033] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f99eccff000 [pid 5033] mprotect(0x7f99ecd00000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5033] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5033] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f99ecd1f990, parent_tid=0x7f99ecd1f990, exit_signal=0, stack=0x7f99eccff000, stack_size=0x20300, tls=0x7f99ecd1f6c0}./strace-static-x86_64: Process 5034 attached => {parent_tid=[5034]}, 88) = 5034 [pid 5034] rseq(0x7f99ecd1ffe0, 0x20, 0, 0x53053053) = 0 [pid 5034] set_robust_list(0x7f99ecd1f9a0, 24) = 0 [pid 5034] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5034] futex(0x7f99ecdeb6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5033] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5033] futex(0x7f99ecdeb6a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5034] <... futex resumed>) = 0 [pid 5034] memfd_create("syzkaller", 0) = 3 [pid 5034] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f99e48ff000 [pid 5033] futex(0x7f99ecdeb6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5034] 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 5034] munmap(0x7f99e48ff000, 524288) = 0 [pid 5034] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 48.433840][ T47] hfsplus: b-tree write err: -5, ino 8 [pid 5034] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5034] close(3) = 0 [pid 5034] mkdir("./bus", 0777) = 0 [pid 5034] mount("/dev/loop0", "./bus", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK, "") = 0 [pid 5034] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5034] chdir("./bus") = 0 [pid 5034] ioctl(4, LOOP_CLR_FD) = 0 [pid 5034] close(4) = 0 [pid 5034] futex(0x7f99ecdeb6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5033] <... futex resumed>) = 0 [pid 5033] futex(0x7f99ecdeb6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5033] futex(0x7f99ecdeb6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5033] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f99e495e000 [pid 5033] mprotect(0x7f99e495f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5034] <... futex resumed>) = 1 [pid 5033] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5034] rename("./file1", "./bus" [pid 5033] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5034] <... rename resumed>) = 0 [pid 5033] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f99e497e990, parent_tid=0x7f99e497e990, exit_signal=0, stack=0x7f99e495e000, stack_size=0x20300, tls=0x7f99e497e6c0} [pid 5034] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5033] <... clone3 resumed> => {parent_tid=[5035]}, 88) = 5035 [pid 5034] rename("./file1", "./bus" [pid 5033] rt_sigprocmask(SIG_SETMASK, [], [pid 5034] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5033] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5035 attached [pid 5034] rename("./file1", "./bus" [pid 5033] futex(0x7f99ecdeb6b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5035] rseq(0x7f99e497efe0, 0x20, 0, 0x53053053 [pid 5034] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5033] <... futex resumed>) = 0 [pid 5033] futex(0x7f99ecdeb6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5035] <... rseq resumed>) = 0 [pid 5034] rename("./file1", "./bus" [pid 5035] set_robust_list(0x7f99e497e9a0, 24) = 0 [pid 5035] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5034] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5034] rename("./file1", "./bus" [pid 5035] creat("./file1", 000 [pid 5034] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5035] <... creat resumed>) = 4 [pid 5034] rename("./file1", "./bus" [pid 5035] creat("./file1", 000) = 5 [pid 5034] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5035] creat("./file1", 000 [pid 5034] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5034] rename("./file1", "./bus" [pid 5035] <... creat resumed>) = 6 [pid 5035] creat("./file1", 000 [pid 5034] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5034] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5034] rename("./file1", "./bus" [pid 5035] <... creat resumed>) = 7 [pid 5035] creat("./file1", 000 [pid 5034] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5034] rename("./file1", "./bus" [pid 5035] <... creat resumed>) = 8 [pid 5035] creat("./file1", 000 [pid 5034] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5034] rename("./file1", "./bus" [pid 5035] <... creat resumed>) = 9 [pid 5034] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5034] rename("./file1", "./bus" [pid 5035] creat("./file1", 000 [pid 5034] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5034] rename("./file1", "./bus" [pid 5035] <... creat resumed>) = 10 [pid 5034] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5034] rename("./file1", "./bus" [pid 5035] creat("./file1", 000 [pid 5034] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5034] rename("./file1", "./bus" [pid 5035] <... creat resumed>) = 11 [pid 5034] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5035] creat("./file1", 000 [pid 5034] rename("./file1", "./bus" [pid 5035] <... creat resumed>) = 12 [pid 5034] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5035] creat("./file1", 000 [pid 5034] rename("./file1", "./bus" [pid 5035] <... creat resumed>) = 13 [pid 5034] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5035] creat("./file1", 000 [pid 5034] rename("./file1", "./bus" [pid 5035] <... creat resumed>) = 14 [pid 5035] creat("./file1", 000 [pid 5034] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5034] rename("./file1", "./bus" [pid 5035] <... creat resumed>) = 15 [pid 5034] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5035] creat("./file1", 000 [pid 5034] rename("./file1", "./bus" [pid 5035] <... creat resumed>) = 16 [pid 5034] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5035] creat("./file1", 000 [pid 5034] rename("./file1", "./bus" [pid 5035] <... creat resumed>) = 17 [pid 5034] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5035] creat("./file1", 000 [pid 5034] rename("./file1", "./bus" [pid 5035] <... creat resumed>) = 18 [pid 5034] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5035] creat("./file1", 000 [pid 5034] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5035] <... creat resumed>) = 19 [pid 5034] rename("./file1", "./bus" [pid 5035] creat("./file1", 000 [pid 5034] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5034] rename("./file1", "./bus" [pid 5035] <... creat resumed>) = 20 [pid 5034] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5035] creat("./file1", 000 [pid 5034] rename("./file1", "./bus" [pid 5035] <... creat resumed>) = 21 [pid 5034] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5035] creat("./file1", 000 [pid 5034] rename("./file1", "./bus" [pid 5035] <... creat resumed>) = 22 [pid 5034] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5035] creat("./file1", 000 [pid 5034] rename("./file1", "./bus" [pid 5035] <... creat resumed>) = 23 [pid 5034] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5035] creat("./file1", 000 [pid 5034] rename("./file1", "./bus" [pid 5035] <... creat resumed>) = 24 [pid 5034] <... rename resumed>) = -1 ENOENT (No such file or directory) [ 48.480291][ T5034] loop0: detected capacity change from 0 to 1024 [pid 5035] creat("./file1", 000 [pid 5034] rename("./file1", "./bus" [pid 5035] <... creat resumed>) = 25 [pid 5034] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5035] creat("./file1", 000 [pid 5034] rename("./file1", "./bus" [pid 5035] <... creat resumed>) = 26 [pid 5034] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5035] creat("./file1", 000 [pid 5034] rename("./file1", "./bus" [pid 5035] <... creat resumed>) = 27 [pid 5034] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5035] creat("./file1", 000 [pid 5034] rename("./file1", "./bus" [pid 5035] <... creat resumed>) = 28 [pid 5034] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5035] creat("./file1", 000 [pid 5034] rename("./file1", "./bus" [pid 5035] <... creat resumed>) = 29 [pid 5034] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5035] creat("./file1", 000 [pid 5034] rename("./file1", "./bus" [pid 5035] <... creat resumed>) = 30 [pid 5034] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5035] creat("./file1", 000 [pid 5034] rename("./file1", "./bus" [pid 5035] <... creat resumed>) = 31 [pid 5034] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5035] creat("./file1", 000 [pid 5034] rename("./file1", "./bus" [pid 5035] <... creat resumed>) = 32 [pid 5034] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5035] creat("./file1", 000 [pid 5034] rename("./file1", "./bus" [pid 5035] <... creat resumed>) = 33 [pid 5034] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5035] creat("./file1", 000 [pid 5034] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5034] rename("./file1", "./bus" [pid 5035] <... creat resumed>) = 34 [pid 5034] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5035] creat("./file1", 000 [pid 5034] rename("./file1", "./bus" [pid 5035] <... creat resumed>) = 35 [pid 5034] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5035] creat("./file1", 000 [pid 5034] rename("./file1", "./bus" [pid 5035] <... creat resumed>) = 36 [pid 5034] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5035] creat("./file1", 000 [pid 5034] rename("./file1", "./bus" [pid 5035] <... creat resumed>) = 37 [pid 5034] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5035] creat("./file1", 000 [pid 5034] rename("./file1", "./bus" [pid 5035] <... creat resumed>) = 38 [pid 5034] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5035] creat("./file1", 000 [pid 5034] rename("./file1", "./bus" [pid 5035] <... creat resumed>) = 39 [pid 5034] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5035] creat("./file1", 000 [pid 5034] rename("./file1", "./bus" [pid 5035] <... creat resumed>) = 40 [pid 5034] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5035] creat("./file1", 000 [pid 5034] rename("./file1", "./bus" [pid 5035] <... creat resumed>) = 41 [pid 5034] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5035] creat("./file1", 000 [pid 5034] rename("./file1", "./bus" [pid 5035] <... creat resumed>) = 42 [pid 5034] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5035] creat("./file1", 000 [pid 5034] rename("./file1", "./bus" [pid 5035] <... creat resumed>) = 43 [pid 5034] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5035] creat("./file1", 000 [pid 5034] rename("./file1", "./bus" [pid 5035] <... creat resumed>) = 44 [pid 5034] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5035] creat("./file1", 000 [pid 5034] rename("./file1", "./bus" [pid 5035] <... creat resumed>) = 45 [pid 5034] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5035] creat("./file1", 000 [pid 5034] rename("./file1", "./bus" [pid 5035] <... creat resumed>) = 46 [pid 5034] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5035] creat("./file1", 000 [pid 5034] rename("./file1", "./bus" [pid 5035] <... creat resumed>) = 47 [pid 5034] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5035] creat("./file1", 000 [pid 5034] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5035] <... creat resumed>) = 48 [pid 5034] rename("./file1", "./bus" [pid 5035] creat("./file1", 000 [pid 5034] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5035] <... creat resumed>) = 49 [pid 5034] rename("./file1", "./bus" [pid 5035] creat("./file1", 000 [pid 5034] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5035] <... creat resumed>) = 50 [pid 5034] rename("./file1", "./bus" [pid 5035] creat("./file1", 000 [pid 5034] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5034] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5034] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5034] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5034] rename("./file1", "./bus" [pid 5035] <... creat resumed>) = 51 [pid 5034] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5035] creat("./file1", 000 [pid 5034] rename("./file1", "./bus" [pid 5033] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5035] <... creat resumed>) = 52 [pid 5034] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5035] creat("./file1", 000 [pid 5034] rename("./file1", "./bus" [pid 5035] <... creat resumed>) = 53 [pid 5034] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5035] creat("./file1", 000 [pid 5034] futex(0x7f99ecdeb6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5035] <... creat resumed>) = 54 [pid 5034] futex(0x7f99ecdeb6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5035] creat("./file1", 000) = 55 [pid 5035] creat("./file1", 000) = 56 [pid 5035] creat("./file1", 000) = 57 [pid 5035] creat("./file1", 000) = 58 [pid 5035] creat("./file1", 000) = 59 [pid 5035] creat("./file1", 000) = 60 [pid 5035] creat("./file1", 000) = 61 [pid 5035] creat("./file1", 000) = 62 [pid 5035] creat("./file1", 000) = 63 [pid 5035] creat("./file1", 000) = 64 [pid 5035] creat("./file1", 000) = 65 [pid 5035] creat("./file1", 000) = 66 [pid 5035] creat("./file1", 000) = 67 [pid 5035] creat("./file1", 000) = 68 [pid 5035] futex(0x7f99ecdeb6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5033] exit_group(0 [pid 5034] <... futex resumed>) = ? [pid 5033] <... exit_group resumed>) = ? [pid 5035] +++ exited with 0 +++ [pid 5034] +++ exited with 0 +++ [pid 5033] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5033, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- 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, 0x555556a5d730 /* 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, 0x555556a65770 /* 2 entries */, 32768) = 48 getdents64(4, 0x555556a65770 /* 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, 0x555556a5d730 /* 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, child_tidptr=0x555556a5c690) = 5036 ./strace-static-x86_64: Process 5036 attached [pid 5036] set_robust_list(0x555556a5c6a0, 24) = 0 [pid 5036] chdir("./5") = 0 [pid 5036] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5036] setpgid(0, 0) = 0 [pid 5036] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5036] write(3, "1000", 4) = 4 [pid 5036] close(3) = 0 [pid 5036] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5036] futex(0x7f99ecdeb6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5036] rt_sigaction(SIGRT_1, {sa_handler=0x7f99ecd88eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f99ecd7a060}, NULL, 8) = 0 [pid 5036] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5036] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f99eccff000 [pid 5036] mprotect(0x7f99ecd00000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5036] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5036] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f99ecd1f990, parent_tid=0x7f99ecd1f990, exit_signal=0, stack=0x7f99eccff000, stack_size=0x20300, tls=0x7f99ecd1f6c0} => {parent_tid=[5037]}, 88) = 5037 ./strace-static-x86_64: Process 5037 attached [pid 5036] rt_sigprocmask(SIG_SETMASK, [], [pid 5037] rseq(0x7f99ecd1ffe0, 0x20, 0, 0x53053053 [pid 5036] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5036] futex(0x7f99ecdeb6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5036] futex(0x7f99ecdeb6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5037] <... rseq resumed>) = 0 [pid 5037] set_robust_list(0x7f99ecd1f9a0, 24) = 0 [pid 5037] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5037] memfd_create("syzkaller", 0) = 3 [pid 5037] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f99e48ff000 [pid 5037] 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 5037] munmap(0x7f99e48ff000, 524288) = 0 [pid 5037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 48.586181][ T47] hfsplus: b-tree write err: -5, ino 8 [pid 5037] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5037] close(3) = 0 [pid 5037] mkdir("./bus", 0777) = 0 [pid 5037] mount("/dev/loop0", "./bus", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK, "") = 0 [pid 5037] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5037] chdir("./bus") = 0 [pid 5037] ioctl(4, LOOP_CLR_FD) = 0 [pid 5037] close(4) = 0 [pid 5037] futex(0x7f99ecdeb6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5036] <... futex resumed>) = 0 [pid 5036] futex(0x7f99ecdeb6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5036] futex(0x7f99ecdeb6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5036] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f99e495e000 [pid 5036] mprotect(0x7f99e495f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5036] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5036] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f99e497e990, parent_tid=0x7f99e497e990, exit_signal=0, stack=0x7f99e495e000, stack_size=0x20300, tls=0x7f99e497e6c0} => {parent_tid=[5038]}, 88) = 5038 [pid 5036] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5036] futex(0x7f99ecdeb6b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5036] futex(0x7f99ecdeb6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5037] <... futex resumed>) = 1 [pid 5037] rename("./file1", "./bus") = 0 [pid 5037] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5037] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5037] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5037] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5037] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5037] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5037] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5037] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5037] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5037] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5037] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5037] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5037] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5037] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5037] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5037] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5037] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5037] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5037] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5037] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5037] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5037] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5037] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5037] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5037] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5037] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5037] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5037] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5037] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5037] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5037] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5037] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5037] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5037] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5037] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5037] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5037] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5037] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5037] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5037] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5037] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5037] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5037] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5037] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5037] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5037] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5037] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5037] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5037] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5037] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5037] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5037] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5037] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5037] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5037] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5037] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5037] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5037] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5037] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5037] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5037] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5037] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5037] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5037] rename("./file1", "./bus"./strace-static-x86_64: Process 5038 attached ) = -1 ENOENT (No such file or directory) [pid 5038] rseq(0x7f99e497efe0, 0x20, 0, 0x53053053 [pid 5037] futex(0x7f99ecdeb6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5038] <... rseq resumed>) = 0 [pid 5037] futex(0x7f99ecdeb6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5038] set_robust_list(0x7f99e497e9a0, 24) = 0 [pid 5038] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5038] creat("./file1", 000) = 4 [pid 5038] creat("./file1", 000) = 5 [pid 5038] creat("./file1", 000) = 6 [pid 5038] creat("./file1", 000) = 7 [pid 5038] creat("./file1", 000) = 8 [pid 5038] creat("./file1", 000) = 9 [pid 5038] creat("./file1", 000) = 10 [pid 5038] creat("./file1", 000) = 11 [pid 5038] creat("./file1", 000) = 12 [pid 5038] creat("./file1", 000) = 13 [ 48.644868][ T5037] loop0: detected capacity change from 0 to 1024 [pid 5038] creat("./file1", 000) = 14 [pid 5038] creat("./file1", 000) = 15 [pid 5038] creat("./file1", 000) = 16 [pid 5038] creat("./file1", 000) = 17 [pid 5038] creat("./file1", 000) = 18 [pid 5038] creat("./file1", 000) = 19 [pid 5038] creat("./file1", 000) = 20 [pid 5038] creat("./file1", 000) = 21 [pid 5038] creat("./file1", 000) = 22 [pid 5038] creat("./file1", 000) = 23 [pid 5038] creat("./file1", 000) = 24 [pid 5038] creat("./file1", 000) = 25 [pid 5038] creat("./file1", 000) = 26 [pid 5038] creat("./file1", 000) = 27 [pid 5038] creat("./file1", 000 [pid 5036] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5036] futex(0x7f99ecdeb6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 5038] <... creat resumed>) = 28 [pid 5036] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5038] creat("./file1", 000) = 29 [pid 5038] creat("./file1", 000) = 30 [pid 5038] creat("./file1", 000) = 31 [pid 5038] creat("./file1", 000) = 32 [pid 5038] creat("./file1", 000) = 33 [pid 5038] creat("./file1", 000) = 34 [pid 5038] creat("./file1", 000) = 35 [pid 5038] creat("./file1", 000) = 36 [pid 5038] creat("./file1", 000) = 37 [pid 5038] creat("./file1", 000) = 38 [pid 5038] creat("./file1", 000) = 39 [pid 5038] creat("./file1", 000) = 40 [pid 5038] creat("./file1", 000) = 41 [pid 5038] creat("./file1", 000) = 42 [pid 5038] creat("./file1", 000) = 43 [pid 5038] creat("./file1", 000) = 44 [pid 5038] creat("./file1", 000) = 45 [pid 5038] creat("./file1", 000) = 46 [pid 5038] creat("./file1", 000) = 47 [pid 5038] creat("./file1", 000) = 48 [pid 5038] creat("./file1", 000) = 49 [pid 5038] creat("./file1", 000) = 50 [pid 5038] creat("./file1", 000) = 51 [pid 5038] creat("./file1", 000) = 52 [pid 5038] creat("./file1", 000) = 53 [pid 5038] creat("./file1", 000) = 54 [pid 5038] creat("./file1", 000) = 55 [pid 5038] creat("./file1", 000) = 56 [pid 5038] creat("./file1", 000) = 57 [pid 5038] creat("./file1", 000) = 58 [pid 5038] creat("./file1", 000) = 59 [pid 5038] creat("./file1", 000) = 60 [pid 5038] creat("./file1", 000) = 61 [pid 5038] creat("./file1", 000) = 62 [pid 5038] creat("./file1", 000) = 63 [pid 5038] creat("./file1", 000) = 64 [pid 5038] creat("./file1", 000) = 65 [pid 5038] creat("./file1", 000) = 66 [pid 5038] creat("./file1", 000) = 67 [pid 5038] creat("./file1", 000) = 68 [pid 5038] futex(0x7f99ecdeb6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5038] futex(0x7f99ecdeb6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5036] exit_group(0 [pid 5038] <... futex resumed>) = ? [pid 5037] <... futex resumed>) = ? [pid 5036] <... exit_group resumed>) = ? [pid 5038] +++ exited with 0 +++ [pid 5037] +++ exited with 0 +++ [pid 5036] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5036, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- 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, 0x555556a5d730 /* 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, 0x555556a65770 /* 2 entries */, 32768) = 48 getdents64(4, 0x555556a65770 /* 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, 0x555556a5d730 /* 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=0x555556a5c690) = 5039 ./strace-static-x86_64: Process 5039 attached [pid 5039] set_robust_list(0x555556a5c6a0, 24) = 0 [pid 5039] chdir("./6") = 0 [pid 5039] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5039] setpgid(0, 0) = 0 [pid 5039] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5039] write(3, "1000", 4) = 4 [pid 5039] close(3) = 0 [pid 5039] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5039] futex(0x7f99ecdeb6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5039] rt_sigaction(SIGRT_1, {sa_handler=0x7f99ecd88eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f99ecd7a060}, NULL, 8) = 0 [pid 5039] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5039] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f99eccff000 [pid 5039] mprotect(0x7f99ecd00000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5039] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5039] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f99ecd1f990, parent_tid=0x7f99ecd1f990, exit_signal=0, stack=0x7f99eccff000, stack_size=0x20300, tls=0x7f99ecd1f6c0} => {parent_tid=[5040]}, 88) = 5040 [pid 5039] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5039] futex(0x7f99ecdeb6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5039] futex(0x7f99ecdeb6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5040 attached [pid 5040] rseq(0x7f99ecd1ffe0, 0x20, 0, 0x53053053) = 0 [pid 5040] set_robust_list(0x7f99ecd1f9a0, 24) = 0 [pid 5040] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5040] memfd_create("syzkaller", 0) = 3 [pid 5040] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f99e48ff000 [pid 5040] 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 5040] munmap(0x7f99e48ff000, 524288) = 0 [pid 5040] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5040] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5040] close(3) = 0 [pid 5040] mkdir("./bus", 0777) = 0 [pid 5040] mount("/dev/loop0", "./bus", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK, "") = 0 [pid 5040] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5040] chdir("./bus") = 0 [pid 5040] ioctl(4, LOOP_CLR_FD) = 0 [pid 5040] close(4) = 0 [pid 5040] futex(0x7f99ecdeb6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5039] <... futex resumed>) = 0 [pid 5040] futex(0x7f99ecdeb6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5039] futex(0x7f99ecdeb6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5039] futex(0x7f99ecdeb6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5040] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5040] rename("./file1", "./bus") = 0 [pid 5039] <... futex resumed>) = 0 [pid 5039] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5040] rename("./file1", "./bus" [pid 5039] <... mmap resumed>) = 0x7f99e495e000 [pid 5039] mprotect(0x7f99e495f000, 131072, PROT_READ|PROT_WRITE [pid 5040] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5039] <... mprotect resumed>) = 0 [pid 5039] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5040] rename("./file1", "./bus" [pid 5039] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5039] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f99e497e990, parent_tid=0x7f99e497e990, exit_signal=0, stack=0x7f99e495e000, stack_size=0x20300, tls=0x7f99e497e6c0} [pid 5040] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5039] <... clone3 resumed> => {parent_tid=[5041]}, 88) = 5041 [pid 5040] rename("./file1", "./bus" [pid 5039] rt_sigprocmask(SIG_SETMASK, [], [pid 5040] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5039] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5041 attached [pid 5039] futex(0x7f99ecdeb6b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5041] rseq(0x7f99e497efe0, 0x20, 0, 0x53053053 [pid 5039] <... futex resumed>) = 0 [pid 5039] futex(0x7f99ecdeb6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5041] <... rseq resumed>) = 0 [pid 5041] set_robust_list(0x7f99e497e9a0, 24) = 0 [pid 5041] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5040] rename("./file1", "./bus" [pid 5041] creat("./file1", 000 [pid 5040] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5040] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5040] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5040] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5040] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5040] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5040] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5040] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5040] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5040] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5040] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5040] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5040] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5040] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5040] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5040] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5040] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5040] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5040] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5040] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5040] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5040] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5040] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5040] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5040] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5040] rename("./file1", "./bus" [pid 5041] <... creat resumed>) = 4 [pid 5041] creat("./file1", 000) = 5 [pid 5040] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5041] creat("./file1", 000) = 6 [pid 5040] rename("./file1", "./bus" [pid 5041] creat("./file1", 000) = 7 [pid 5040] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5041] creat("./file1", 000) = 8 [pid 5040] rename("./file1", "./bus" [pid 5041] creat("./file1", 000) = 9 [pid 5040] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5041] creat("./file1", 000 [pid 5040] rename("./file1", "./bus" [pid 5041] <... creat resumed>) = 10 [pid 5041] creat("./file1", 000) = 11 [pid 5040] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5041] creat("./file1", 000) = 12 [pid 5040] rename("./file1", "./bus" [pid 5041] creat("./file1", 000) = 13 [pid 5040] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5041] creat("./file1", 000) = 14 [pid 5040] rename("./file1", "./bus" [pid 5041] creat("./file1", 000) = 15 [pid 5040] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5041] creat("./file1", 000 [pid 5040] rename("./file1", "./bus" [pid 5041] <... creat resumed>) = 16 [pid 5041] creat("./file1", 000) = 17 [pid 5040] <... rename resumed>) = -1 ENOENT (No such file or directory) [ 48.786786][ T5040] loop0: detected capacity change from 0 to 1024 [pid 5041] creat("./file1", 000) = 18 [pid 5040] rename("./file1", "./bus" [pid 5041] creat("./file1", 000) = 19 [pid 5040] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5041] creat("./file1", 000) = 20 [pid 5040] rename("./file1", "./bus" [pid 5041] creat("./file1", 000) = 21 [pid 5040] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5041] creat("./file1", 000) = 22 [pid 5040] rename("./file1", "./bus" [pid 5041] creat("./file1", 000) = 23 [pid 5040] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5041] creat("./file1", 000) = 24 [pid 5040] rename("./file1", "./bus" [pid 5041] creat("./file1", 000) = 25 [pid 5040] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5041] creat("./file1", 000 [pid 5040] rename("./file1", "./bus" [pid 5041] <... creat resumed>) = 26 [pid 5041] creat("./file1", 000) = 27 [pid 5040] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5041] creat("./file1", 000) = 28 [pid 5040] rename("./file1", "./bus" [pid 5041] creat("./file1", 000) = 29 [pid 5040] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5041] creat("./file1", 000) = 30 [pid 5040] rename("./file1", "./bus" [pid 5041] creat("./file1", 000) = 31 [pid 5040] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5041] creat("./file1", 000) = 32 [pid 5040] rename("./file1", "./bus" [pid 5041] creat("./file1", 000) = 33 [pid 5040] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5041] creat("./file1", 000 [pid 5040] rename("./file1", "./bus" [pid 5041] <... creat resumed>) = 34 [pid 5041] creat("./file1", 000 [pid 5040] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5041] <... creat resumed>) = 35 [pid 5040] rename("./file1", "./bus" [pid 5041] creat("./file1", 000) = 36 [pid 5040] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5041] creat("./file1", 000) = 37 [pid 5040] rename("./file1", "./bus" [pid 5041] creat("./file1", 000) = 38 [pid 5040] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5041] creat("./file1", 000 [pid 5040] rename("./file1", "./bus" [pid 5041] <... creat resumed>) = 39 [pid 5041] creat("./file1", 000) = 40 [pid 5040] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5041] creat("./file1", 000 [pid 5040] rename("./file1", "./bus" [pid 5041] <... creat resumed>) = 41 [pid 5041] creat("./file1", 000) = 42 [pid 5040] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5041] creat("./file1", 000) = 43 [pid 5040] rename("./file1", "./bus" [pid 5041] creat("./file1", 000) = 44 [pid 5040] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5041] creat("./file1", 000 [pid 5040] rename("./file1", "./bus" [pid 5041] <... creat resumed>) = 45 [pid 5041] creat("./file1", 000) = 46 [pid 5040] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5041] creat("./file1", 000) = 47 [pid 5040] rename("./file1", "./bus" [pid 5041] creat("./file1", 000) = 48 [pid 5040] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5041] creat("./file1", 000 [pid 5040] rename("./file1", "./bus" [pid 5041] <... creat resumed>) = 49 [pid 5039] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5041] creat("./file1", 000 [pid 5040] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5041] <... creat resumed>) = 50 [pid 5040] rename("./file1", "./bus" [pid 5041] creat("./file1", 000) = 51 [pid 5040] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5041] creat("./file1", 000) = 52 [pid 5040] rename("./file1", "./bus" [pid 5041] creat("./file1", 000) = 53 [pid 5040] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5041] creat("./file1", 000 [pid 5040] rename("./file1", "./bus" [pid 5041] <... creat resumed>) = 54 [pid 5041] creat("./file1", 000) = 55 [pid 5040] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5041] creat("./file1", 000 [pid 5040] rename("./file1", "./bus" [pid 5041] <... creat resumed>) = 56 [pid 5041] creat("./file1", 000) = 57 [pid 5040] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5041] creat("./file1", 000) = 58 [pid 5040] rename("./file1", "./bus" [pid 5041] creat("./file1", 000) = 59 [pid 5040] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5041] creat("./file1", 000 [pid 5040] rename("./file1", "./bus" [pid 5041] <... creat resumed>) = 60 [pid 5041] creat("./file1", 000) = 61 [pid 5040] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5041] creat("./file1", 000 [pid 5040] rename("./file1", "./bus" [pid 5041] <... creat resumed>) = 62 [pid 5041] creat("./file1", 000) = 63 [pid 5041] creat("./file1", 000) = 64 [pid 5041] creat("./file1", 000) = 65 [pid 5040] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5041] creat("./file1", 000 [pid 5040] rename("./file1", "./bus" [pid 5041] <... creat resumed>) = 66 [pid 5041] creat("./file1", 000 [pid 5040] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5041] <... creat resumed>) = 67 [pid 5040] rename("./file1", "./bus" [pid 5041] creat("./file1", 000) = 68 [pid 5040] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5041] futex(0x7f99ecdeb6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5040] rename("./file1", "./bus" [pid 5041] <... futex resumed>) = 0 [pid 5041] futex(0x7f99ecdeb6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5040] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5040] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5040] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5040] futex(0x7f99ecdeb6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5040] futex(0x7f99ecdeb6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5039] exit_group(0 [pid 5041] <... futex resumed>) = ? [pid 5040] <... futex resumed>) = ? [pid 5039] <... exit_group resumed>) = ? [pid 5041] +++ exited with 0 +++ [pid 5040] +++ exited with 0 +++ [pid 5039] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5039, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 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, 0x555556a5d730 /* 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, 0x555556a65770 /* 2 entries */, 32768) = 48 getdents64(4, 0x555556a65770 /* 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, 0x555556a5d730 /* 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=0x555556a5c690) = 5042 ./strace-static-x86_64: Process 5042 attached [pid 5042] set_robust_list(0x555556a5c6a0, 24) = 0 [pid 5042] chdir("./7") = 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(0x7f99ecdeb6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5042] rt_sigaction(SIGRT_1, {sa_handler=0x7f99ecd88eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f99ecd7a060}, 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) = 0x7f99eccff000 [pid 5042] mprotect(0x7f99ecd00000, 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=0x7f99ecd1f990, parent_tid=0x7f99ecd1f990, exit_signal=0, stack=0x7f99eccff000, stack_size=0x20300, tls=0x7f99ecd1f6c0} => {parent_tid=[5043]}, 88) = 5043 [pid 5042] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5042] futex(0x7f99ecdeb6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5042] futex(0x7f99ecdeb6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5043 attached [pid 5043] rseq(0x7f99ecd1ffe0, 0x20, 0, 0x53053053) = 0 [pid 5043] set_robust_list(0x7f99ecd1f9a0, 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) = 0x7f99e48ff000 [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(0x7f99e48ff000, 524288) = 0 [pid 5043] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 48.901008][ T33] hfsplus: b-tree write err: -5, ino 8 [pid 5043] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5043] close(3) = 0 [pid 5043] mkdir("./bus", 0777) = 0 [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(0x7f99ecdeb6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5042] <... futex resumed>) = 0 [pid 5042] futex(0x7f99ecdeb6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5042] futex(0x7f99ecdeb6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5042] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f99e495e000 [pid 5042] mprotect(0x7f99e495f000, 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=0x7f99e497e990, parent_tid=0x7f99e497e990, exit_signal=0, stack=0x7f99e495e000, stack_size=0x20300, tls=0x7f99e497e6c0} => {parent_tid=[5044]}, 88) = 5044 [pid 5042] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5042] futex(0x7f99ecdeb6b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5042] futex(0x7f99ecdeb6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5043] <... futex resumed>) = 1 [pid 5043] rename("./file1", "./bus") = 0 [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") = -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") = -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") = -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") = -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") = -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") = -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") = -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") = -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") = -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") = -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") = -1 ENOENT (No such file or directory) [pid 5043] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) ./strace-static-x86_64: Process 5044 attached [pid 5043] rename("./file1", "./bus" [pid 5044] rseq(0x7f99e497efe0, 0x20, 0, 0x53053053 [pid 5043] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5043] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5044] <... rseq resumed>) = 0 [pid 5043] rename("./file1", "./bus" [pid 5044] set_robust_list(0x7f99e497e9a0, 24 [pid 5043] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5043] rename("./file1", "./bus" [pid 5044] <... set_robust_list resumed>) = 0 [pid 5043] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5043] rename("./file1", "./bus" [pid 5044] rt_sigprocmask(SIG_SETMASK, [], [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 5044] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5043] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5043] futex(0x7f99ecdeb6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5044] creat("./file1", 000 [pid 5043] <... futex resumed>) = 0 [pid 5043] futex(0x7f99ecdeb6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5044] <... creat resumed>) = 4 [pid 5044] creat("./file1", 000) = 5 [pid 5044] creat("./file1", 000) = 6 [pid 5044] creat("./file1", 000) = 7 [pid 5044] creat("./file1", 000) = 8 [pid 5044] creat("./file1", 000) = 9 [pid 5044] creat("./file1", 000) = 10 [pid 5044] creat("./file1", 000) = 11 [pid 5044] creat("./file1", 000) = 12 [pid 5044] creat("./file1", 000) = 13 [pid 5044] creat("./file1", 000) = 14 [pid 5044] creat("./file1", 000) = 15 [pid 5044] creat("./file1", 000) = 16 [ 48.942019][ T5043] loop0: detected capacity change from 0 to 1024 [pid 5044] creat("./file1", 000) = 17 [pid 5044] creat("./file1", 000) = 18 [pid 5044] creat("./file1", 000) = 19 [pid 5044] creat("./file1", 000) = 20 [pid 5044] creat("./file1", 000) = 21 [pid 5044] creat("./file1", 000) = 22 [pid 5044] creat("./file1", 000) = 23 [pid 5044] creat("./file1", 000) = 24 [pid 5044] creat("./file1", 000) = 25 [pid 5044] creat("./file1", 000) = 26 [pid 5044] creat("./file1", 000) = 27 [pid 5044] creat("./file1", 000 [pid 5042] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5044] <... creat resumed>) = 28 [pid 5044] creat("./file1", 000) = 29 [pid 5044] creat("./file1", 000) = 30 [pid 5044] creat("./file1", 000) = 31 [pid 5044] creat("./file1", 000) = 32 [pid 5044] creat("./file1", 000) = 33 [pid 5044] creat("./file1", 000) = 34 [pid 5044] creat("./file1", 000) = 35 [pid 5044] creat("./file1", 000) = 36 [pid 5044] creat("./file1", 000) = 37 [pid 5044] creat("./file1", 000) = 38 [pid 5044] creat("./file1", 000) = 39 [pid 5044] creat("./file1", 000) = 40 [pid 5044] creat("./file1", 000) = 41 [pid 5044] creat("./file1", 000) = 42 [pid 5044] creat("./file1", 000) = 43 [pid 5044] creat("./file1", 000) = 44 [pid 5044] creat("./file1", 000) = 45 [pid 5044] creat("./file1", 000) = 46 [pid 5044] creat("./file1", 000) = 47 [pid 5044] creat("./file1", 000) = 48 [pid 5044] creat("./file1", 000) = 49 [pid 5044] creat("./file1", 000) = 50 [pid 5044] creat("./file1", 000) = 51 [pid 5044] creat("./file1", 000) = 52 [pid 5044] creat("./file1", 000) = 53 [pid 5044] creat("./file1", 000) = 54 [pid 5044] creat("./file1", 000) = 55 [pid 5044] creat("./file1", 000) = 56 [pid 5044] creat("./file1", 000) = 57 [pid 5044] creat("./file1", 000) = 58 [pid 5044] creat("./file1", 000) = 59 [pid 5044] creat("./file1", 000) = 60 [pid 5044] creat("./file1", 000) = 61 [pid 5044] creat("./file1", 000) = 62 [pid 5044] creat("./file1", 000) = 63 [pid 5044] creat("./file1", 000) = 64 [pid 5044] creat("./file1", 000) = 65 [pid 5044] creat("./file1", 000) = 66 [pid 5044] creat("./file1", 000) = 67 [pid 5044] creat("./file1", 000) = 68 [pid 5044] futex(0x7f99ecdeb6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5044] futex(0x7f99ecdeb6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5042] exit_group(0 [pid 5044] <... futex resumed>) = ? [pid 5043] <... futex resumed>) = ? [pid 5042] <... exit_group resumed>) = ? [pid 5044] +++ exited with 0 +++ [pid 5043] +++ exited with 0 +++ [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=2 /* 0.02 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, 0x555556a5d730 /* 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, 0x555556a65770 /* 2 entries */, 32768) = 48 getdents64(4, 0x555556a65770 /* 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, 0x555556a5d730 /* 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=0x555556a5c690) = 5045 ./strace-static-x86_64: Process 5045 attached [pid 5045] set_robust_list(0x555556a5c6a0, 24) = 0 [pid 5045] chdir("./8") = 0 [pid 5045] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5045] setpgid(0, 0) = 0 [pid 5045] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5045] write(3, "1000", 4) = 4 [pid 5045] close(3) = 0 [pid 5045] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5045] futex(0x7f99ecdeb6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5045] rt_sigaction(SIGRT_1, {sa_handler=0x7f99ecd88eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f99ecd7a060}, NULL, 8) = 0 [pid 5045] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5045] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f99eccff000 [pid 5045] mprotect(0x7f99ecd00000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5045] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5045] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f99ecd1f990, parent_tid=0x7f99ecd1f990, exit_signal=0, stack=0x7f99eccff000, stack_size=0x20300, tls=0x7f99ecd1f6c0}./strace-static-x86_64: Process 5046 attached [pid 5046] rseq(0x7f99ecd1ffe0, 0x20, 0, 0x53053053 [pid 5045] <... clone3 resumed> => {parent_tid=[5046]}, 88) = 5046 [pid 5046] <... rseq resumed>) = 0 [pid 5045] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5046] set_robust_list(0x7f99ecd1f9a0, 24 [pid 5045] futex(0x7f99ecdeb6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5046] <... set_robust_list resumed>) = 0 [pid 5046] rt_sigprocmask(SIG_SETMASK, [], [pid 5045] <... futex resumed>) = 0 [pid 5046] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5045] futex(0x7f99ecdeb6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5046] memfd_create("syzkaller", 0) = 3 [pid 5046] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f99e48ff000 [pid 5046] 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 5046] munmap(0x7f99e48ff000, 524288) = 0 [pid 5046] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5046] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5046] close(3) = 0 [pid 5046] mkdir("./bus", 0777) = 0 [pid 5046] mount("/dev/loop0", "./bus", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK, "") = 0 [pid 5046] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5046] chdir("./bus") = 0 [pid 5046] ioctl(4, LOOP_CLR_FD) = 0 [pid 5046] close(4) = 0 [pid 5046] futex(0x7f99ecdeb6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5045] <... futex resumed>) = 0 [pid 5046] futex(0x7f99ecdeb6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5045] futex(0x7f99ecdeb6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5046] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5045] <... futex resumed>) = 0 [pid 5046] rename("./file1", "./bus" [pid 5045] futex(0x7f99ecdeb6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5045] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f99e495e000 [pid 5046] <... rename resumed>) = 0 [pid 5045] mprotect(0x7f99e495f000, 131072, PROT_READ|PROT_WRITE [pid 5046] rename("./file1", "./bus" [pid 5045] <... mprotect resumed>) = 0 [pid 5046] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5045] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5046] rename("./file1", "./bus" [pid 5045] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5046] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5045] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f99e497e990, parent_tid=0x7f99e497e990, exit_signal=0, stack=0x7f99e495e000, stack_size=0x20300, tls=0x7f99e497e6c0} [pid 5046] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5046] rename("./file1", "./bus" [pid 5045] <... clone3 resumed> => {parent_tid=[5047]}, 88) = 5047 [pid 5046] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5045] rt_sigprocmask(SIG_SETMASK, [], [pid 5046] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5045] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5046] rename("./file1", "./bus" [pid 5045] futex(0x7f99ecdeb6b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5046] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5045] <... futex resumed>) = 0 [pid 5046] rename("./file1", "./bus" [pid 5045] futex(0x7f99ecdeb6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5046] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5046] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5046] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5046] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5046] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5046] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5046] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5046] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5046] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) ./strace-static-x86_64: Process 5047 attached [pid 5046] rename("./file1", "./bus" [pid 5047] rseq(0x7f99e497efe0, 0x20, 0, 0x53053053 [pid 5046] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5047] <... rseq resumed>) = 0 [pid 5046] rename("./file1", "./bus" [pid 5047] set_robust_list(0x7f99e497e9a0, 24 [pid 5046] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5047] <... set_robust_list resumed>) = 0 [pid 5046] rename("./file1", "./bus" [pid 5047] rt_sigprocmask(SIG_SETMASK, [], [pid 5046] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5047] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5046] rename("./file1", "./bus" [pid 5047] creat("./file1", 000 [pid 5046] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5047] <... creat resumed>) = 4 [pid 5046] rename("./file1", "./bus" [pid 5047] creat("./file1", 000 [pid 5046] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5047] <... creat resumed>) = 5 [pid 5046] rename("./file1", "./bus" [pid 5047] creat("./file1", 000 [pid 5046] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5047] <... creat resumed>) = 6 [pid 5046] rename("./file1", "./bus" [pid 5047] creat("./file1", 000 [pid 5046] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5046] rename("./file1", "./bus" [pid 5047] <... creat resumed>) = 7 [pid 5047] creat("./file1", 000 [pid 5046] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5046] rename("./file1", "./bus" [pid 5047] <... creat resumed>) = 8 [pid 5047] creat("./file1", 000 [pid 5046] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5047] <... creat resumed>) = 9 [pid 5046] rename("./file1", "./bus" [pid 5047] creat("./file1", 000 [pid 5046] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5046] rename("./file1", "./bus" [pid 5047] <... creat resumed>) = 10 [pid 5046] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5047] creat("./file1", 000 [pid 5046] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5047] <... creat resumed>) = 11 [pid 5046] rename("./file1", "./bus" [pid 5047] creat("./file1", 000 [pid 5046] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5046] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5047] <... creat resumed>) = 12 [pid 5046] rename("./file1", "./bus" [pid 5047] creat("./file1", 000 [pid 5046] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5047] <... creat resumed>) = 13 [pid 5046] rename("./file1", "./bus" [pid 5047] creat("./file1", 000) = 14 [pid 5047] creat("./file1", 000) = 15 [pid 5047] creat("./file1", 000) = 16 [pid 5046] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5047] creat("./file1", 000 [pid 5046] rename("./file1", "./bus" [pid 5047] <... creat resumed>) = 17 [pid 5046] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5047] creat("./file1", 000 [pid 5046] rename("./file1", "./bus" [pid 5047] <... creat resumed>) = 18 [pid 5047] creat("./file1", 000 [pid 5046] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5047] <... creat resumed>) = 19 [pid 5046] rename("./file1", "./bus" [pid 5047] creat("./file1", 000) = 20 [pid 5046] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5047] creat("./file1", 000 [pid 5046] rename("./file1", "./bus" [pid 5047] <... creat resumed>) = 21 [pid 5047] creat("./file1", 000) = 22 [pid 5046] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5047] creat("./file1", 000 [pid 5046] rename("./file1", "./bus" [pid 5047] <... creat resumed>) = 23 [pid 5046] <... rename resumed>) = -1 ENOENT (No such file or directory) [ 49.116152][ T5046] loop0: detected capacity change from 0 to 1024 [pid 5047] creat("./file1", 000 [pid 5046] rename("./file1", "./bus" [pid 5047] <... creat resumed>) = 24 [pid 5047] creat("./file1", 000) = 25 [pid 5046] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5047] creat("./file1", 000 [pid 5046] rename("./file1", "./bus" [pid 5047] <... creat resumed>) = 26 [pid 5046] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5047] creat("./file1", 000 [pid 5046] rename("./file1", "./bus" [pid 5047] <... creat resumed>) = 27 [pid 5046] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5047] creat("./file1", 000 [pid 5046] rename("./file1", "./bus" [pid 5047] <... creat resumed>) = 28 [pid 5046] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5047] creat("./file1", 000) = 29 [pid 5046] rename("./file1", "./bus" [pid 5047] creat("./file1", 000) = 30 [pid 5046] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5047] creat("./file1", 000 [pid 5046] rename("./file1", "./bus" [pid 5047] <... creat resumed>) = 31 [pid 5046] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5047] creat("./file1", 000) = 32 [pid 5046] rename("./file1", "./bus" [pid 5047] creat("./file1", 000) = 33 [pid 5046] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5047] creat("./file1", 000 [pid 5046] rename("./file1", "./bus" [pid 5047] <... creat resumed>) = 34 [pid 5046] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5046] rename("./file1", "./bus" [pid 5047] creat("./file1", 000) = 35 [pid 5046] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5047] creat("./file1", 000) = 36 [pid 5046] rename("./file1", "./bus" [pid 5047] creat("./file1", 000) = 37 [pid 5046] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5046] rename("./file1", "./bus" [pid 5047] creat("./file1", 000) = 38 [pid 5046] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5047] creat("./file1", 000) = 39 [pid 5046] rename("./file1", "./bus" [pid 5047] creat("./file1", 000) = 40 [pid 5046] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5046] rename("./file1", "./bus" [pid 5047] creat("./file1", 000) = 41 [pid 5046] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5046] rename("./file1", "./bus" [pid 5047] creat("./file1", 000) = 42 [pid 5046] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5047] creat("./file1", 000 [pid 5046] rename("./file1", "./bus" [pid 5047] <... creat resumed>) = 43 [pid 5046] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5046] rename("./file1", "./bus" [pid 5047] creat("./file1", 000) = 44 [pid 5046] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5046] rename("./file1", "./bus" [pid 5047] creat("./file1", 000) = 45 [pid 5046] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5047] creat("./file1", 000 [pid 5046] rename("./file1", "./bus" [pid 5047] <... creat resumed>) = 46 [pid 5047] creat("./file1", 000) = 47 [pid 5046] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5047] creat("./file1", 000) = 48 [pid 5046] rename("./file1", "./bus" [pid 5047] creat("./file1", 000) = 49 [pid 5047] creat("./file1", 000) = 50 [pid 5046] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5047] creat("./file1", 000) = 51 [pid 5046] rename("./file1", "./bus" [pid 5047] creat("./file1", 000) = 52 [pid 5046] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5046] rename("./file1", "./bus" [pid 5047] creat("./file1", 000) = 53 [pid 5046] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5047] creat("./file1", 000) = 54 [pid 5046] rename("./file1", "./bus" [pid 5047] creat("./file1", 000) = 55 [pid 5046] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5047] creat("./file1", 000 [pid 5046] rename("./file1", "./bus" [pid 5047] <... creat resumed>) = 56 [pid 5047] creat("./file1", 000) = 57 [pid 5046] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5047] creat("./file1", 000) = 58 [pid 5046] rename("./file1", "./bus" [pid 5047] creat("./file1", 000) = 59 [pid 5046] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5047] creat("./file1", 000) = 60 [pid 5046] rename("./file1", "./bus" [pid 5047] creat("./file1", 000) = 61 [pid 5046] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5047] creat("./file1", 000) = 62 [pid 5046] rename("./file1", "./bus" [pid 5047] creat("./file1", 000) = 63 [pid 5046] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5047] creat("./file1", 000 [pid 5045] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5046] rename("./file1", "./bus" [pid 5047] <... creat resumed>) = 64 [pid 5047] creat("./file1", 000) = 65 [pid 5046] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5047] creat("./file1", 000 [pid 5046] rename("./file1", "./bus" [pid 5047] <... creat resumed>) = 66 [pid 5047] creat("./file1", 000) = 67 [pid 5046] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5047] creat("./file1", 000 [pid 5046] futex(0x7f99ecdeb6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5047] <... creat resumed>) = 68 [pid 5046] <... futex resumed>) = 0 [pid 5047] futex(0x7f99ecdeb6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5047] futex(0x7f99ecdeb6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5046] futex(0x7f99ecdeb6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5045] exit_group(0 [pid 5047] <... futex resumed>) = ? [pid 5046] <... futex resumed>) = ? [pid 5045] <... exit_group resumed>) = ? [pid 5047] +++ exited with 0 +++ [pid 5046] +++ exited with 0 +++ [pid 5045] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5045, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 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, 0x555556a5d730 /* 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, 0x555556a65770 /* 2 entries */, 32768) = 48 getdents64(4, 0x555556a65770 /* 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, 0x555556a5d730 /* 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=0x555556a5c690) = 5048 ./strace-static-x86_64: Process 5048 attached [pid 5048] set_robust_list(0x555556a5c6a0, 24) = 0 [pid 5048] chdir("./9") = 0 [pid 5048] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5048] setpgid(0, 0) = 0 [pid 5048] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5048] write(3, "1000", 4) = 4 [pid 5048] close(3) = 0 [pid 5048] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5048] futex(0x7f99ecdeb6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5048] rt_sigaction(SIGRT_1, {sa_handler=0x7f99ecd88eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f99ecd7a060}, NULL, 8) = 0 [pid 5048] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5048] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f99eccff000 [pid 5048] mprotect(0x7f99ecd00000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5048] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5048] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f99ecd1f990, parent_tid=0x7f99ecd1f990, exit_signal=0, stack=0x7f99eccff000, stack_size=0x20300, tls=0x7f99ecd1f6c0} => {parent_tid=[5049]}, 88) = 5049 [pid 5048] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5048] futex(0x7f99ecdeb6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5048] futex(0x7f99ecdeb6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5049 attached [pid 5049] rseq(0x7f99ecd1ffe0, 0x20, 0, 0x53053053) = 0 [pid 5049] set_robust_list(0x7f99ecd1f9a0, 24) = 0 [pid 5049] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5049] memfd_create("syzkaller", 0) = 3 [pid 5049] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f99e48ff000 [pid 5049] 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 5049] munmap(0x7f99e48ff000, 524288) = 0 [pid 5049] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 49.214199][ T47] hfsplus: b-tree write err: -5, ino 8 [pid 5049] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5049] close(3) = 0 [pid 5049] mkdir("./bus", 0777) = 0 [pid 5049] mount("/dev/loop0", "./bus", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK, "") = 0 [pid 5049] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5049] chdir("./bus") = 0 [pid 5049] ioctl(4, LOOP_CLR_FD) = 0 [pid 5049] close(4) = 0 [pid 5049] futex(0x7f99ecdeb6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5048] <... futex resumed>) = 0 [pid 5049] futex(0x7f99ecdeb6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5048] futex(0x7f99ecdeb6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5049] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5048] <... futex resumed>) = 0 [pid 5048] futex(0x7f99ecdeb6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5048] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5049] rename("./file1", "./bus" [pid 5048] <... mmap resumed>) = 0x7f99e495e000 [pid 5048] mprotect(0x7f99e495f000, 131072, PROT_READ|PROT_WRITE [pid 5049] <... rename resumed>) = 0 [pid 5048] <... mprotect resumed>) = 0 [pid 5048] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5048] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f99e497e990, parent_tid=0x7f99e497e990, exit_signal=0, stack=0x7f99e495e000, stack_size=0x20300, tls=0x7f99e497e6c0} [pid 5049] rename("./file1", "./bus" [pid 5048] <... clone3 resumed> => {parent_tid=[5050]}, 88) = 5050 [pid 5048] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5048] futex(0x7f99ecdeb6b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5048] futex(0x7f99ecdeb6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5050 attached [pid 5050] rseq(0x7f99e497efe0, 0x20, 0, 0x53053053) = 0 [pid 5050] set_robust_list(0x7f99e497e9a0, 24) = 0 [pid 5050] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5050] creat("./file1", 000) = 4 [pid 5050] creat("./file1", 000 [pid 5049] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5050] <... creat resumed>) = 5 [pid 5050] creat("./file1", 000 [pid 5049] rename("./file1", "./bus" [pid 5050] <... creat resumed>) = 6 [pid 5049] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5050] creat("./file1", 000 [pid 5049] rename("./file1", "./bus" [pid 5050] <... creat resumed>) = 7 [pid 5049] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5050] creat("./file1", 000 [pid 5049] rename("./file1", "./bus" [pid 5050] <... creat resumed>) = 8 [pid 5050] creat("./file1", 000) = 9 [pid 5050] creat("./file1", 000) = 10 [pid 5050] creat("./file1", 000) = 11 [pid 5050] creat("./file1", 000) = 12 [pid 5050] creat("./file1", 000 [pid 5049] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5050] <... creat resumed>) = 13 [pid 5050] creat("./file1", 000 [pid 5049] rename("./file1", "./bus" [pid 5050] <... creat resumed>) = 14 [pid 5050] creat("./file1", 000 [pid 5049] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5050] <... creat resumed>) = 15 [pid 5050] creat("./file1", 000) = 16 [pid 5050] creat("./file1", 000 [pid 5049] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5050] <... creat resumed>) = 17 [pid 5049] rename("./file1", "./bus" [pid 5050] creat("./file1", 000 [pid 5049] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5049] rename("./file1", "./bus" [pid 5050] <... creat resumed>) = 18 [pid 5050] creat("./file1", 000 [pid 5049] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5050] <... creat resumed>) = 19 [pid 5050] creat("./file1", 000 [pid 5049] rename("./file1", "./bus" [pid 5050] <... creat resumed>) = 20 [pid 5050] creat("./file1", 000 [pid 5049] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5050] <... creat resumed>) = 21 [pid 5049] rename("./file1", "./bus" [pid 5050] creat("./file1", 000) = 22 [pid 5050] creat("./file1", 000) = 23 [pid 5049] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5050] creat("./file1", 000 [pid 5049] rename("./file1", "./bus" [pid 5050] <... creat resumed>) = 24 [pid 5049] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5050] creat("./file1", 000 [pid 5049] rename("./file1", "./bus" [pid 5050] <... creat resumed>) = 25 [pid 5050] creat("./file1", 000 [pid 5049] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5050] <... creat resumed>) = 26 [pid 5049] rename("./file1", "./bus" [pid 5050] creat("./file1", 000) = 27 [pid 5049] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5050] creat("./file1", 000 [pid 5049] rename("./file1", "./bus" [pid 5050] <... creat resumed>) = 28 [pid 5049] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5049] rename("./file1", "./bus" [pid 5050] creat("./file1", 000) = 29 [pid 5049] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5050] creat("./file1", 000) = 30 [pid 5049] rename("./file1", "./bus" [ 49.255620][ T5049] loop0: detected capacity change from 0 to 1024 [pid 5050] creat("./file1", 000) = 31 [pid 5049] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5050] creat("./file1", 000 [pid 5049] rename("./file1", "./bus" [pid 5050] <... creat resumed>) = 32 [pid 5049] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5050] creat("./file1", 000 [pid 5049] rename("./file1", "./bus" [pid 5050] <... creat resumed>) = 33 [pid 5049] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5050] creat("./file1", 000 [pid 5049] rename("./file1", "./bus" [pid 5050] <... creat resumed>) = 34 [pid 5049] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5050] creat("./file1", 000 [pid 5049] rename("./file1", "./bus" [pid 5050] <... creat resumed>) = 35 [pid 5050] creat("./file1", 000) = 36 [pid 5049] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5050] creat("./file1", 000 [pid 5049] rename("./file1", "./bus" [pid 5050] <... creat resumed>) = 37 [pid 5049] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5050] creat("./file1", 000 [pid 5049] rename("./file1", "./bus" [pid 5050] <... creat resumed>) = 38 [pid 5049] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5050] creat("./file1", 000 [pid 5049] rename("./file1", "./bus" [pid 5050] <... creat resumed>) = 39 [pid 5050] creat("./file1", 000 [pid 5049] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5050] <... creat resumed>) = 40 [pid 5049] rename("./file1", "./bus" [pid 5050] creat("./file1", 000) = 41 [pid 5049] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5050] creat("./file1", 000 [pid 5049] rename("./file1", "./bus" [pid 5050] <... creat resumed>) = 42 [pid 5049] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5049] rename("./file1", "./bus" [pid 5050] creat("./file1", 000) = 43 [pid 5049] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5050] creat("./file1", 000 [pid 5049] rename("./file1", "./bus" [pid 5050] <... creat resumed>) = 44 [pid 5049] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5050] creat("./file1", 000 [pid 5049] rename("./file1", "./bus" [pid 5050] <... creat resumed>) = 45 [pid 5049] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5050] creat("./file1", 000 [pid 5049] rename("./file1", "./bus" [pid 5050] <... creat resumed>) = 46 [pid 5049] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5050] creat("./file1", 000 [pid 5049] rename("./file1", "./bus" [pid 5050] <... creat resumed>) = 47 [pid 5049] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5049] rename("./file1", "./bus" [pid 5050] creat("./file1", 000 [pid 5049] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5050] <... creat resumed>) = 48 [pid 5049] rename("./file1", "./bus" [pid 5050] creat("./file1", 000) = 49 [pid 5049] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5050] creat("./file1", 000 [pid 5049] rename("./file1", "./bus" [pid 5050] <... creat resumed>) = 50 [pid 5049] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5050] creat("./file1", 000 [pid 5049] rename("./file1", "./bus" [pid 5050] <... creat resumed>) = 51 [pid 5049] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5050] creat("./file1", 000 [pid 5049] rename("./file1", "./bus" [pid 5050] <... creat resumed>) = 52 [pid 5049] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5049] rename("./file1", "./bus" [pid 5050] creat("./file1", 000) = 53 [pid 5049] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5050] creat("./file1", 000 [pid 5049] rename("./file1", "./bus" [pid 5050] <... creat resumed>) = 54 [pid 5049] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5050] creat("./file1", 000 [pid 5049] rename("./file1", "./bus" [pid 5050] <... creat resumed>) = 55 [pid 5049] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5050] creat("./file1", 000 [pid 5049] rename("./file1", "./bus" [pid 5050] <... creat resumed>) = 56 [pid 5049] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5050] creat("./file1", 000 [pid 5049] rename("./file1", "./bus" [pid 5050] <... creat resumed>) = 57 [pid 5049] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5050] creat("./file1", 000) = 58 [pid 5049] rename("./file1", "./bus" [pid 5050] creat("./file1", 000) = 59 [pid 5049] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5050] creat("./file1", 000) = 60 [pid 5049] rename("./file1", "./bus" [pid 5050] creat("./file1", 000) = 61 [pid 5049] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5050] creat("./file1", 000) = 62 [pid 5049] rename("./file1", "./bus" [pid 5048] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5050] creat("./file1", 000) = 63 [pid 5049] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5050] creat("./file1", 000 [pid 5049] rename("./file1", "./bus" [pid 5050] <... creat resumed>) = 64 [pid 5050] creat("./file1", 000) = 65 [pid 5049] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5050] creat("./file1", 000) = 66 [pid 5049] rename("./file1", "./bus" [pid 5050] creat("./file1", 000) = 67 [pid 5049] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5050] creat("./file1", 000) = 68 [pid 5049] rename("./file1", "./bus" [pid 5050] futex(0x7f99ecdeb6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5050] futex(0x7f99ecdeb6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5049] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5049] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5049] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5049] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5049] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5049] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5049] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5049] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5049] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5049] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5049] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5049] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5049] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5049] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5049] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5049] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5049] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5049] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5049] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5049] futex(0x7f99ecdeb6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5049] futex(0x7f99ecdeb6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5048] exit_group(0 [pid 5050] <... futex resumed>) = ? [pid 5049] <... futex resumed>) = ? [pid 5048] <... exit_group resumed>) = ? [pid 5050] +++ exited with 0 +++ [pid 5049] +++ exited with 0 +++ [pid 5048] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5048, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 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, 0x555556a5d730 /* 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, 0x555556a65770 /* 2 entries */, 32768) = 48 getdents64(4, 0x555556a65770 /* 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, 0x555556a5d730 /* 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=0x555556a5c690) = 5051 ./strace-static-x86_64: Process 5051 attached [pid 5051] set_robust_list(0x555556a5c6a0, 24) = 0 [pid 5051] chdir("./10") = 0 [pid 5051] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5051] setpgid(0, 0) = 0 [pid 5051] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5051] write(3, "1000", 4) = 4 [pid 5051] close(3) = 0 [pid 5051] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5051] futex(0x7f99ecdeb6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5051] rt_sigaction(SIGRT_1, {sa_handler=0x7f99ecd88eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f99ecd7a060}, NULL, 8) = 0 [pid 5051] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5051] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f99eccff000 [pid 5051] mprotect(0x7f99ecd00000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5051] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5051] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f99ecd1f990, parent_tid=0x7f99ecd1f990, exit_signal=0, stack=0x7f99eccff000, stack_size=0x20300, tls=0x7f99ecd1f6c0}./strace-static-x86_64: Process 5052 attached => {parent_tid=[5052]}, 88) = 5052 [pid 5052] rseq(0x7f99ecd1ffe0, 0x20, 0, 0x53053053) = 0 [pid 5052] set_robust_list(0x7f99ecd1f9a0, 24 [pid 5051] rt_sigprocmask(SIG_SETMASK, [], [pid 5052] <... set_robust_list resumed>) = 0 [pid 5051] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5052] rt_sigprocmask(SIG_SETMASK, [], [pid 5051] futex(0x7f99ecdeb6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5051] <... futex resumed>) = 0 [pid 5051] futex(0x7f99ecdeb6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5052] memfd_create("syzkaller", 0) = 3 [pid 5052] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f99e48ff000 [pid 5052] 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 5052] munmap(0x7f99e48ff000, 524288) = 0 [ 49.362415][ T47] hfsplus: b-tree write err: -5, ino 8 [pid 5052] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5052] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5052] close(3) = 0 [pid 5052] mkdir("./bus", 0777) = 0 [pid 5052] mount("/dev/loop0", "./bus", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK, "") = 0 [pid 5052] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5052] chdir("./bus") = 0 [pid 5052] ioctl(4, LOOP_CLR_FD) = 0 [pid 5052] close(4) = 0 [pid 5052] futex(0x7f99ecdeb6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5051] <... futex resumed>) = 0 [pid 5052] futex(0x7f99ecdeb6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5051] futex(0x7f99ecdeb6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5051] <... futex resumed>) = 0 [pid 5052] rename("./file1", "./bus" [pid 5051] futex(0x7f99ecdeb6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] <... rename resumed>) = 0 [pid 5051] <... futex resumed>) = 0 [pid 5052] rename("./file1", "./bus" [pid 5051] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5052] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5051] <... mmap resumed>) = 0x7f99e495e000 [pid 5052] rename("./file1", "./bus" [pid 5051] mprotect(0x7f99e495f000, 131072, PROT_READ|PROT_WRITE [pid 5052] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5051] <... mprotect resumed>) = 0 [pid 5052] rename("./file1", "./bus" [pid 5051] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5052] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5051] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f99e497e990, parent_tid=0x7f99e497e990, exit_signal=0, stack=0x7f99e495e000, stack_size=0x20300, tls=0x7f99e497e6c0} [pid 5052] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5051] <... clone3 resumed> => {parent_tid=[5053]}, 88) = 5053 [pid 5051] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5052] rename("./file1", "./bus" [pid 5051] futex(0x7f99ecdeb6b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5052] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5051] futex(0x7f99ecdeb6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5052] rename("./file1", "./bus"./strace-static-x86_64: Process 5053 attached ) = -1 ENOENT (No such file or directory) [pid 5052] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5053] rseq(0x7f99e497efe0, 0x20, 0, 0x53053053 [pid 5052] rename("./file1", "./bus" [pid 5053] <... rseq resumed>) = 0 [pid 5052] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5052] rename("./file1", "./bus" [pid 5053] set_robust_list(0x7f99e497e9a0, 24) = 0 [pid 5052] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5053] rt_sigprocmask(SIG_SETMASK, [], [pid 5052] rename("./file1", "./bus" [pid 5053] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5052] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5053] creat("./file1", 000 [pid 5052] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5052] rename("./file1", "./bus" [pid 5053] <... creat resumed>) = 4 [pid 5053] creat("./file1", 000 [pid 5052] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5053] <... creat resumed>) = 5 [pid 5052] rename("./file1", "./bus" [pid 5053] creat("./file1", 000 [pid 5052] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5053] <... creat resumed>) = 6 [pid 5052] rename("./file1", "./bus" [pid 5053] creat("./file1", 000 [pid 5052] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5053] <... creat resumed>) = 7 [pid 5052] rename("./file1", "./bus" [pid 5053] creat("./file1", 000 [pid 5052] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5053] <... creat resumed>) = 8 [pid 5052] rename("./file1", "./bus" [pid 5053] creat("./file1", 000) = 9 [pid 5052] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5053] creat("./file1", 000 [pid 5052] rename("./file1", "./bus" [pid 5053] <... creat resumed>) = 10 [pid 5052] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5052] rename("./file1", "./bus" [pid 5053] creat("./file1", 000) = 11 [pid 5052] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5053] creat("./file1", 000 [pid 5052] rename("./file1", "./bus" [pid 5053] <... creat resumed>) = 12 [pid 5052] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5052] rename("./file1", "./bus" [pid 5053] creat("./file1", 000) = 13 [pid 5052] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5053] creat("./file1", 000 [pid 5052] rename("./file1", "./bus" [pid 5053] <... creat resumed>) = 14 [pid 5052] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5052] rename("./file1", "./bus" [pid 5053] creat("./file1", 000) = 15 [pid 5052] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5053] creat("./file1", 000 [pid 5052] rename("./file1", "./bus" [pid 5053] <... creat resumed>) = 16 [pid 5052] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5053] creat("./file1", 000 [pid 5052] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5053] <... creat resumed>) = 17 [pid 5052] rename("./file1", "./bus" [pid 5053] creat("./file1", 000 [pid 5052] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5052] rename("./file1", "./bus" [pid 5053] <... creat resumed>) = 18 [pid 5052] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5052] rename("./file1", "./bus" [pid 5053] creat("./file1", 000 [pid 5052] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5053] <... creat resumed>) = 19 [pid 5052] rename("./file1", "./bus" [pid 5053] creat("./file1", 000) = 20 [pid 5052] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5053] creat("./file1", 000 [pid 5052] rename("./file1", "./bus" [pid 5053] <... creat resumed>) = 21 [pid 5052] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5052] rename("./file1", "./bus" [pid 5053] creat("./file1", 000) = 22 [pid 5052] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5053] creat("./file1", 000 [ 49.424412][ T5052] loop0: detected capacity change from 0 to 1024 [pid 5052] rename("./file1", "./bus" [pid 5053] <... creat resumed>) = 23 [pid 5052] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5052] rename("./file1", "./bus" [pid 5053] creat("./file1", 000 [pid 5052] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5053] <... creat resumed>) = 24 [pid 5052] rename("./file1", "./bus" [pid 5053] creat("./file1", 000 [pid 5052] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5053] <... creat resumed>) = 25 [pid 5052] rename("./file1", "./bus" [pid 5053] creat("./file1", 000) = 26 [pid 5052] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5052] rename("./file1", "./bus" [pid 5053] creat("./file1", 000) = 27 [pid 5052] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5053] creat("./file1", 000 [pid 5052] rename("./file1", "./bus" [pid 5053] <... creat resumed>) = 28 [pid 5052] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5052] rename("./file1", "./bus" [pid 5053] creat("./file1", 000) = 29 [pid 5052] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5053] creat("./file1", 000 [pid 5052] rename("./file1", "./bus" [pid 5053] <... creat resumed>) = 30 [pid 5052] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5052] rename("./file1", "./bus" [pid 5053] creat("./file1", 000) = 31 [pid 5052] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5052] rename("./file1", "./bus" [pid 5053] creat("./file1", 000) = 32 [pid 5052] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5053] creat("./file1", 000 [pid 5052] rename("./file1", "./bus" [pid 5053] <... creat resumed>) = 33 [pid 5052] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5052] rename("./file1", "./bus" [pid 5053] creat("./file1", 000) = 34 [pid 5052] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5053] creat("./file1", 000 [pid 5052] rename("./file1", "./bus" [pid 5053] <... creat resumed>) = 35 [pid 5052] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5053] creat("./file1", 000 [pid 5052] rename("./file1", "./bus" [pid 5053] <... creat resumed>) = 36 [pid 5052] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5052] rename("./file1", "./bus" [pid 5053] creat("./file1", 000) = 37 [pid 5052] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5053] creat("./file1", 000 [pid 5052] rename("./file1", "./bus" [pid 5053] <... creat resumed>) = 38 [pid 5053] creat("./file1", 000 [pid 5052] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5053] <... creat resumed>) = 39 [pid 5052] rename("./file1", "./bus" [pid 5053] creat("./file1", 000) = 40 [pid 5052] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5053] creat("./file1", 000) = 41 [pid 5052] rename("./file1", "./bus" [pid 5053] creat("./file1", 000) = 42 [pid 5052] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5053] creat("./file1", 000) = 43 [pid 5052] rename("./file1", "./bus" [pid 5053] creat("./file1", 000) = 44 [pid 5052] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5053] creat("./file1", 000) = 45 [pid 5052] rename("./file1", "./bus" [pid 5053] creat("./file1", 000) = 46 [pid 5052] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5053] creat("./file1", 000) = 47 [pid 5052] rename("./file1", "./bus" [pid 5053] creat("./file1", 000) = 48 [pid 5052] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5053] creat("./file1", 000 [pid 5052] rename("./file1", "./bus" [pid 5053] <... creat resumed>) = 49 [pid 5053] creat("./file1", 000) = 50 [pid 5052] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5053] creat("./file1", 000 [pid 5052] rename("./file1", "./bus" [pid 5053] <... creat resumed>) = 51 [pid 5051] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5052] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5053] creat("./file1", 000) = 52 [pid 5052] rename("./file1", "./bus" [pid 5053] creat("./file1", 000) = 53 [pid 5052] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5053] creat("./file1", 000 [pid 5052] rename("./file1", "./bus" [pid 5053] <... creat resumed>) = 54 [pid 5053] creat("./file1", 000) = 55 [pid 5052] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5053] creat("./file1", 000 [pid 5052] rename("./file1", "./bus" [pid 5053] <... creat resumed>) = 56 [pid 5053] creat("./file1", 000 [pid 5052] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5053] <... creat resumed>) = 57 [pid 5053] creat("./file1", 000 [pid 5052] rename("./file1", "./bus" [pid 5053] <... creat resumed>) = 58 [pid 5053] creat("./file1", 000) = 59 [pid 5052] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5053] creat("./file1", 000 [pid 5052] rename("./file1", "./bus" [pid 5053] <... creat resumed>) = 60 [pid 5052] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5053] creat("./file1", 000) = 61 [pid 5052] rename("./file1", "./bus" [pid 5053] creat("./file1", 000) = 62 [pid 5052] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5053] creat("./file1", 000 [pid 5052] rename("./file1", "./bus" [pid 5053] <... creat resumed>) = 63 [pid 5053] creat("./file1", 000) = 64 [pid 5052] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5053] creat("./file1", 000 [pid 5052] rename("./file1", "./bus" [pid 5053] <... creat resumed>) = 65 [pid 5053] creat("./file1", 000) = 66 [pid 5052] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5053] creat("./file1", 000 [pid 5052] rename("./file1", "./bus" [pid 5053] <... creat resumed>) = 67 [pid 5053] creat("./file1", 000) = 68 [pid 5052] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5053] futex(0x7f99ecdeb6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] rename("./file1", "./bus" [pid 5053] <... futex resumed>) = 0 [pid 5053] futex(0x7f99ecdeb6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5052] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5052] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5052] futex(0x7f99ecdeb6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] exit_group(0 [pid 5053] <... futex resumed>) = ? [pid 5052] <... futex resumed>) = ? [pid 5051] <... exit_group resumed>) = ? [pid 5053] +++ exited with 0 +++ [pid 5052] +++ exited with 0 +++ [pid 5051] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5051, 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, 0x555556a5d730 /* 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, 0x555556a65770 /* 2 entries */, 32768) = 48 getdents64(4, 0x555556a65770 /* 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, 0x555556a5d730 /* 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=0x555556a5c690) = 5054 ./strace-static-x86_64: Process 5054 attached [pid 5054] set_robust_list(0x555556a5c6a0, 24) = 0 [pid 5054] chdir("./11") = 0 [pid 5054] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5054] setpgid(0, 0) = 0 [pid 5054] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5054] write(3, "1000", 4) = 4 [pid 5054] close(3) = 0 [pid 5054] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5054] futex(0x7f99ecdeb6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5054] rt_sigaction(SIGRT_1, {sa_handler=0x7f99ecd88eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f99ecd7a060}, NULL, 8) = 0 [pid 5054] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5054] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f99eccff000 [pid 5054] mprotect(0x7f99ecd00000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5054] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5054] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f99ecd1f990, parent_tid=0x7f99ecd1f990, exit_signal=0, stack=0x7f99eccff000, stack_size=0x20300, tls=0x7f99ecd1f6c0}./strace-static-x86_64: Process 5055 attached [pid 5055] rseq(0x7f99ecd1ffe0, 0x20, 0, 0x53053053) = 0 [pid 5055] set_robust_list(0x7f99ecd1f9a0, 24) = 0 [pid 5055] rt_sigprocmask(SIG_SETMASK, [], [pid 5054] <... clone3 resumed> => {parent_tid=[5055]}, 88) = 5055 [pid 5055] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5054] rt_sigprocmask(SIG_SETMASK, [], [pid 5055] futex(0x7f99ecdeb6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5054] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5054] futex(0x7f99ecdeb6a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5055] <... futex resumed>) = 0 [pid 5055] memfd_create("syzkaller", 0 [pid 5054] futex(0x7f99ecdeb6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5055] <... memfd_create resumed>) = 3 [pid 5055] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f99e48ff000 [pid 5055] 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 5055] munmap(0x7f99e48ff000, 524288) = 0 [pid 5055] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 49.532417][ T47] hfsplus: b-tree write err: -5, ino 8 [pid 5055] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5055] close(3) = 0 [pid 5055] mkdir("./bus", 0777) = 0 [pid 5055] mount("/dev/loop0", "./bus", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK, "") = 0 [pid 5055] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5055] chdir("./bus") = 0 [pid 5055] ioctl(4, LOOP_CLR_FD) = 0 [pid 5055] close(4) = 0 [pid 5055] futex(0x7f99ecdeb6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] <... futex resumed>) = 0 [pid 5054] futex(0x7f99ecdeb6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5054] futex(0x7f99ecdeb6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5054] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f99e495e000 [pid 5054] mprotect(0x7f99e495f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5054] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5055] <... futex resumed>) = 1 [pid 5054] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5054] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f99e497e990, parent_tid=0x7f99e497e990, exit_signal=0, stack=0x7f99e495e000, stack_size=0x20300, tls=0x7f99e497e6c0}./strace-static-x86_64: Process 5056 attached [pid 5055] rename("./file1", "./bus" [pid 5054] <... clone3 resumed> => {parent_tid=[5056]}, 88) = 5056 [pid 5054] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5054] futex(0x7f99ecdeb6b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5054] futex(0x7f99ecdeb6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5056] rseq(0x7f99e497efe0, 0x20, 0, 0x53053053) = 0 [pid 5056] set_robust_list(0x7f99e497e9a0, 24) = 0 [pid 5056] rt_sigprocmask(SIG_SETMASK, [], [pid 5055] <... rename resumed>) = 0 [pid 5056] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5056] creat("./file1", 000) = 4 [pid 5055] rename("./file1", "./bus" [pid 5056] creat("./file1", 000 [pid 5055] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5055] rename("./file1", "./bus" [pid 5056] <... creat resumed>) = 5 [pid 5055] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5055] rename("./file1", "./bus" [pid 5056] creat("./file1", 000 [pid 5055] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5055] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5055] rename("./file1", "./bus" [pid 5056] <... creat resumed>) = 6 [pid 5055] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5055] rename("./file1", "./bus" [pid 5056] creat("./file1", 000 [pid 5055] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5055] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5055] rename("./file1", "./bus" [pid 5056] <... creat resumed>) = 7 [pid 5055] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5055] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5055] rename("./file1", "./bus" [pid 5056] creat("./file1", 000 [pid 5055] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5055] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5056] <... creat resumed>) = 8 [pid 5055] rename("./file1", "./bus" [pid 5056] creat("./file1", 000 [pid 5055] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5055] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5056] <... creat resumed>) = 9 [pid 5055] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5056] creat("./file1", 000 [pid 5055] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5056] <... creat resumed>) = 10 [pid 5055] rename("./file1", "./bus" [pid 5056] creat("./file1", 000 [pid 5055] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5055] rename("./file1", "./bus" [pid 5056] <... creat resumed>) = 11 [pid 5055] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5055] rename("./file1", "./bus" [pid 5056] creat("./file1", 000 [pid 5055] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5055] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5056] <... creat resumed>) = 12 [pid 5055] rename("./file1", "./bus" [pid 5056] creat("./file1", 000 [pid 5055] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5055] rename("./file1", "./bus" [pid 5056] <... creat resumed>) = 13 [pid 5055] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5055] rename("./file1", "./bus" [pid 5056] creat("./file1", 000 [pid 5055] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5055] rename("./file1", "./bus" [pid 5056] <... creat resumed>) = 14 [pid 5055] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5055] rename("./file1", "./bus" [pid 5056] creat("./file1", 000 [pid 5055] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5055] rename("./file1", "./bus" [pid 5056] <... creat resumed>) = 15 [pid 5055] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5056] creat("./file1", 000 [pid 5055] rename("./file1", "./bus" [pid 5056] <... creat resumed>) = 16 [pid 5055] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5056] creat("./file1", 000 [pid 5055] rename("./file1", "./bus" [pid 5056] <... creat resumed>) = 17 [pid 5055] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5056] creat("./file1", 000 [pid 5055] rename("./file1", "./bus" [pid 5056] <... creat resumed>) = 18 [pid 5055] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5056] creat("./file1", 000 [pid 5055] rename("./file1", "./bus" [pid 5056] <... creat resumed>) = 19 [pid 5055] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5056] creat("./file1", 000 [pid 5055] rename("./file1", "./bus" [pid 5056] <... creat resumed>) = 20 [pid 5055] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5056] creat("./file1", 000 [pid 5055] rename("./file1", "./bus" [pid 5056] <... creat resumed>) = 21 [pid 5055] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5056] creat("./file1", 000 [pid 5055] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5055] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5055] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5055] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5055] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5055] rename("./file1", "./bus" [pid 5056] <... creat resumed>) = 22 [pid 5055] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5056] creat("./file1", 000 [ 49.585996][ T5055] loop0: detected capacity change from 0 to 1024 [pid 5055] rename("./file1", "./bus" [pid 5056] <... creat resumed>) = 23 [pid 5055] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5055] rename("./file1", "./bus" [pid 5056] creat("./file1", 000 [pid 5055] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5055] rename("./file1", "./bus" [pid 5056] <... creat resumed>) = 24 [pid 5055] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5055] rename("./file1", "./bus" [pid 5056] creat("./file1", 000 [pid 5055] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5055] rename("./file1", "./bus" [pid 5056] <... creat resumed>) = 25 [pid 5055] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5056] creat("./file1", 000 [pid 5055] rename("./file1", "./bus" [pid 5056] <... creat resumed>) = 26 [pid 5055] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5056] creat("./file1", 000 [pid 5055] rename("./file1", "./bus" [pid 5056] <... creat resumed>) = 27 [pid 5055] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5056] creat("./file1", 000 [pid 5055] rename("./file1", "./bus" [pid 5056] <... creat resumed>) = 28 [pid 5055] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5056] creat("./file1", 000 [pid 5055] rename("./file1", "./bus" [pid 5056] <... creat resumed>) = 29 [pid 5055] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5056] creat("./file1", 000 [pid 5055] rename("./file1", "./bus" [pid 5056] <... creat resumed>) = 30 [pid 5055] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5056] creat("./file1", 000 [pid 5055] rename("./file1", "./bus" [pid 5056] <... creat resumed>) = 31 [pid 5055] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5056] creat("./file1", 000 [pid 5055] rename("./file1", "./bus" [pid 5056] <... creat resumed>) = 32 [pid 5055] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5056] creat("./file1", 000 [pid 5055] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5056] <... creat resumed>) = 33 [pid 5055] rename("./file1", "./bus" [pid 5056] creat("./file1", 000 [pid 5055] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5055] rename("./file1", "./bus" [pid 5056] <... creat resumed>) = 34 [pid 5055] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5056] creat("./file1", 000 [pid 5055] rename("./file1", "./bus" [pid 5056] <... creat resumed>) = 35 [pid 5055] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5056] creat("./file1", 000 [pid 5055] rename("./file1", "./bus" [pid 5056] <... creat resumed>) = 36 [pid 5055] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5056] creat("./file1", 000 [pid 5055] rename("./file1", "./bus" [pid 5056] <... creat resumed>) = 37 [pid 5055] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5056] creat("./file1", 000 [pid 5055] rename("./file1", "./bus" [pid 5056] <... creat resumed>) = 38 [pid 5055] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5056] creat("./file1", 000 [pid 5055] rename("./file1", "./bus" [pid 5056] <... creat resumed>) = 39 [pid 5055] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5056] creat("./file1", 000 [pid 5055] rename("./file1", "./bus" [pid 5056] <... creat resumed>) = 40 [pid 5055] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5055] rename("./file1", "./bus" [pid 5056] creat("./file1", 000 [pid 5055] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5055] rename("./file1", "./bus" [pid 5056] <... creat resumed>) = 41 [pid 5055] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5056] creat("./file1", 000 [pid 5055] rename("./file1", "./bus" [pid 5056] <... creat resumed>) = 42 [pid 5055] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5056] creat("./file1", 000 [pid 5055] rename("./file1", "./bus" [pid 5056] <... creat resumed>) = 43 [pid 5055] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5056] creat("./file1", 000 [pid 5055] rename("./file1", "./bus" [pid 5056] <... creat resumed>) = 44 [pid 5055] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5056] creat("./file1", 000 [pid 5055] rename("./file1", "./bus" [pid 5056] <... creat resumed>) = 45 [pid 5055] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5056] creat("./file1", 000 [pid 5055] futex(0x7f99ecdeb6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5055] futex(0x7f99ecdeb6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5056] <... creat resumed>) = 46 [pid 5056] creat("./file1", 000) = 47 [pid 5056] creat("./file1", 000) = 48 [pid 5056] creat("./file1", 000) = 49 [pid 5056] creat("./file1", 000 [pid 5054] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5056] <... creat resumed>) = 50 [pid 5056] creat("./file1", 000) = 51 [pid 5056] creat("./file1", 000) = 52 [pid 5056] creat("./file1", 000) = 53 [pid 5056] creat("./file1", 000) = 54 [pid 5056] creat("./file1", 000) = 55 [pid 5056] creat("./file1", 000) = 56 [pid 5056] creat("./file1", 000) = 57 [pid 5056] creat("./file1", 000) = 58 [pid 5056] creat("./file1", 000) = 59 [pid 5056] creat("./file1", 000) = 60 [pid 5056] creat("./file1", 000) = 61 [pid 5056] creat("./file1", 000) = 62 [pid 5056] creat("./file1", 000) = 63 [pid 5056] creat("./file1", 000) = 64 [pid 5056] creat("./file1", 000) = 65 [pid 5056] creat("./file1", 000) = 66 [pid 5056] creat("./file1", 000) = 67 [pid 5056] creat("./file1", 000) = 68 [pid 5056] futex(0x7f99ecdeb6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5056] futex(0x7f99ecdeb6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5054] exit_group(0 [pid 5055] <... futex resumed>) = ? [pid 5054] <... exit_group resumed>) = ? [pid 5056] <... futex resumed>) = ? [pid 5055] +++ exited with 0 +++ [pid 5056] +++ exited with 0 +++ [pid 5054] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5054, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 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, 0x555556a5d730 /* 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, 0x555556a65770 /* 2 entries */, 32768) = 48 getdents64(4, 0x555556a65770 /* 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, 0x555556a5d730 /* 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=0x555556a5c690) = 5057 ./strace-static-x86_64: Process 5057 attached [pid 5057] set_robust_list(0x555556a5c6a0, 24) = 0 [pid 5057] chdir("./12") = 0 [pid 5057] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5057] setpgid(0, 0) = 0 [pid 5057] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5057] write(3, "1000", 4) = 4 [pid 5057] close(3) = 0 [pid 5057] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5057] futex(0x7f99ecdeb6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5057] rt_sigaction(SIGRT_1, {sa_handler=0x7f99ecd88eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f99ecd7a060}, NULL, 8) = 0 [pid 5057] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5057] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f99eccff000 [pid 5057] mprotect(0x7f99ecd00000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5057] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5057] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f99ecd1f990, parent_tid=0x7f99ecd1f990, exit_signal=0, stack=0x7f99eccff000, stack_size=0x20300, tls=0x7f99ecd1f6c0}./strace-static-x86_64: Process 5058 attached => {parent_tid=[5058]}, 88) = 5058 [pid 5058] rseq(0x7f99ecd1ffe0, 0x20, 0, 0x53053053 [pid 5057] rt_sigprocmask(SIG_SETMASK, [], [pid 5058] <... rseq resumed>) = 0 [pid 5057] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5058] set_robust_list(0x7f99ecd1f9a0, 24 [pid 5057] futex(0x7f99ecdeb6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5058] <... set_robust_list resumed>) = 0 [pid 5057] <... futex resumed>) = 0 [pid 5058] rt_sigprocmask(SIG_SETMASK, [], [pid 5057] futex(0x7f99ecdeb6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5058] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5058] memfd_create("syzkaller", 0) = 3 [pid 5058] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f99e48ff000 [pid 5058] 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 5058] munmap(0x7f99e48ff000, 524288) = 0 [pid 5058] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 49.690345][ T47] hfsplus: b-tree write err: -5, ino 8 [pid 5058] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5058] close(3) = 0 [pid 5058] mkdir("./bus", 0777) = 0 [pid 5058] mount("/dev/loop0", "./bus", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK, "") = 0 [pid 5058] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5058] chdir("./bus") = 0 [pid 5058] ioctl(4, LOOP_CLR_FD) = 0 [pid 5058] close(4) = 0 [pid 5058] futex(0x7f99ecdeb6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5057] <... futex resumed>) = 0 [pid 5057] futex(0x7f99ecdeb6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5057] futex(0x7f99ecdeb6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5057] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5058] <... futex resumed>) = 1 [pid 5057] <... mmap resumed>) = 0x7f99e495e000 [pid 5058] rename("./file1", "./bus" [pid 5057] mprotect(0x7f99e495f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5057] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5057] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f99e497e990, parent_tid=0x7f99e497e990, exit_signal=0, stack=0x7f99e495e000, stack_size=0x20300, tls=0x7f99e497e6c0} [pid 5058] <... rename resumed>) = 0 [pid 5057] <... clone3 resumed> => {parent_tid=[5059]}, 88) = 5059 [pid 5057] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5057] futex(0x7f99ecdeb6b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5058] rename("./file1", "./bus" [pid 5057] futex(0x7f99ecdeb6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5059 attached [pid 5059] rseq(0x7f99e497efe0, 0x20, 0, 0x53053053) = 0 [pid 5058] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5059] set_robust_list(0x7f99e497e9a0, 24 [pid 5058] rename("./file1", "./bus" [pid 5059] <... set_robust_list resumed>) = 0 [pid 5059] rt_sigprocmask(SIG_SETMASK, [], [pid 5058] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5059] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5058] rename("./file1", "./bus" [pid 5059] creat("./file1", 000 [pid 5058] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5059] <... creat resumed>) = 4 [pid 5058] rename("./file1", "./bus" [pid 5059] creat("./file1", 000 [pid 5058] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5059] <... creat resumed>) = 5 [pid 5058] rename("./file1", "./bus" [pid 5059] creat("./file1", 000 [pid 5058] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5058] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5058] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5058] rename("./file1", "./bus" [pid 5059] <... creat resumed>) = 6 [pid 5058] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5059] creat("./file1", 000 [pid 5058] rename("./file1", "./bus" [pid 5059] <... creat resumed>) = 7 [pid 5058] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5059] creat("./file1", 000 [pid 5058] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5059] <... creat resumed>) = 8 [pid 5058] rename("./file1", "./bus" [pid 5059] creat("./file1", 000 [pid 5058] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5058] rename("./file1", "./bus" [pid 5059] <... creat resumed>) = 9 [pid 5058] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5058] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5059] creat("./file1", 000 [pid 5058] rename("./file1", "./bus" [pid 5059] <... creat resumed>) = 10 [pid 5058] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5059] creat("./file1", 000 [pid 5058] rename("./file1", "./bus" [pid 5059] <... creat resumed>) = 11 [pid 5058] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5059] creat("./file1", 000 [pid 5058] rename("./file1", "./bus" [pid 5059] <... creat resumed>) = 12 [pid 5058] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5058] rename("./file1", "./bus" [pid 5059] creat("./file1", 000 [pid 5058] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5058] rename("./file1", "./bus" [pid 5059] <... creat resumed>) = 13 [pid 5058] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5059] creat("./file1", 000 [pid 5058] rename("./file1", "./bus" [pid 5059] <... creat resumed>) = 14 [pid 5058] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5059] creat("./file1", 000 [pid 5058] rename("./file1", "./bus" [pid 5059] <... creat resumed>) = 15 [pid 5058] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5058] rename("./file1", "./bus" [pid 5059] creat("./file1", 000 [pid 5058] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5058] rename("./file1", "./bus" [pid 5059] <... creat resumed>) = 16 [pid 5058] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5059] creat("./file1", 000 [pid 5058] rename("./file1", "./bus" [pid 5059] <... creat resumed>) = 17 [pid 5058] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5059] creat("./file1", 000 [pid 5058] rename("./file1", "./bus" [pid 5059] <... creat resumed>) = 18 [pid 5058] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5059] creat("./file1", 000 [pid 5058] rename("./file1", "./bus" [pid 5059] <... creat resumed>) = 19 [pid 5058] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5059] creat("./file1", 000 [pid 5058] rename("./file1", "./bus" [pid 5059] <... creat resumed>) = 20 [pid 5058] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5059] creat("./file1", 000 [pid 5058] rename("./file1", "./bus" [pid 5059] <... creat resumed>) = 21 [pid 5058] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5059] creat("./file1", 000 [pid 5058] rename("./file1", "./bus" [pid 5059] <... creat resumed>) = 22 [pid 5058] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5059] creat("./file1", 000 [pid 5058] rename("./file1", "./bus" [pid 5059] <... creat resumed>) = 23 [pid 5058] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5059] creat("./file1", 000 [pid 5058] rename("./file1", "./bus" [pid 5059] <... creat resumed>) = 24 [pid 5058] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5059] creat("./file1", 000 [pid 5058] rename("./file1", "./bus" [pid 5059] <... creat resumed>) = 25 [pid 5058] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5059] creat("./file1", 000 [pid 5058] rename("./file1", "./bus" [pid 5059] <... creat resumed>) = 26 [pid 5058] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5059] creat("./file1", 000 [pid 5058] rename("./file1", "./bus" [pid 5059] <... creat resumed>) = 27 [pid 5058] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5059] creat("./file1", 000 [pid 5058] rename("./file1", "./bus" [pid 5059] <... creat resumed>) = 28 [pid 5058] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5059] creat("./file1", 000 [pid 5058] rename("./file1", "./bus" [pid 5059] <... creat resumed>) = 29 [pid 5058] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5059] creat("./file1", 000 [pid 5058] rename("./file1", "./bus" [pid 5059] <... creat resumed>) = 30 [pid 5058] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5059] creat("./file1", 000 [ 49.741155][ T5058] loop0: detected capacity change from 0 to 1024 [pid 5058] rename("./file1", "./bus" [pid 5059] <... creat resumed>) = 31 [pid 5058] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5059] creat("./file1", 000 [pid 5058] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5058] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5058] rename("./file1", "./bus" [pid 5059] <... creat resumed>) = 32 [pid 5058] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5058] rename("./file1", "./bus" [pid 5059] creat("./file1", 000 [pid 5058] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5058] rename("./file1", "./bus" [pid 5059] <... creat resumed>) = 33 [pid 5058] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5059] creat("./file1", 000 [pid 5058] rename("./file1", "./bus" [pid 5059] <... creat resumed>) = 34 [pid 5058] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5059] creat("./file1", 000 [pid 5058] rename("./file1", "./bus" [pid 5059] <... creat resumed>) = 35 [pid 5058] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5059] creat("./file1", 000 [pid 5058] rename("./file1", "./bus" [pid 5059] <... creat resumed>) = 36 [pid 5058] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5058] rename("./file1", "./bus" [pid 5059] creat("./file1", 000 [pid 5058] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5058] rename("./file1", "./bus" [pid 5059] <... creat resumed>) = 37 [pid 5058] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5059] creat("./file1", 000 [pid 5058] rename("./file1", "./bus" [pid 5059] <... creat resumed>) = 38 [pid 5058] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5059] creat("./file1", 000 [pid 5058] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5058] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5059] <... creat resumed>) = 39 [pid 5058] rename("./file1", "./bus" [pid 5059] creat("./file1", 000 [pid 5058] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5058] rename("./file1", "./bus" [pid 5059] <... creat resumed>) = 40 [pid 5058] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5059] creat("./file1", 000 [pid 5058] rename("./file1", "./bus" [pid 5059] <... creat resumed>) = 41 [pid 5058] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5059] creat("./file1", 000 [pid 5058] rename("./file1", "./bus" [pid 5059] <... creat resumed>) = 42 [pid 5058] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5059] creat("./file1", 000 [pid 5058] rename("./file1", "./bus" [pid 5059] <... creat resumed>) = 43 [pid 5058] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5059] creat("./file1", 000 [pid 5058] rename("./file1", "./bus" [pid 5059] <... creat resumed>) = 44 [pid 5058] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5059] creat("./file1", 000 [pid 5058] rename("./file1", "./bus" [pid 5059] <... creat resumed>) = 45 [pid 5058] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5059] creat("./file1", 000 [pid 5058] rename("./file1", "./bus" [pid 5059] <... creat resumed>) = 46 [pid 5058] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5059] creat("./file1", 000 [pid 5058] rename("./file1", "./bus" [pid 5059] <... creat resumed>) = 47 [pid 5058] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5059] creat("./file1", 000 [pid 5058] rename("./file1", "./bus" [pid 5059] <... creat resumed>) = 48 [pid 5058] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5059] creat("./file1", 000 [pid 5058] rename("./file1", "./bus" [pid 5059] <... creat resumed>) = 49 [pid 5058] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5059] creat("./file1", 000 [pid 5058] rename("./file1", "./bus" [pid 5059] <... creat resumed>) = 50 [pid 5058] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5059] creat("./file1", 000 [pid 5058] rename("./file1", "./bus" [pid 5059] <... creat resumed>) = 51 [pid 5058] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5059] creat("./file1", 000 [pid 5058] rename("./file1", "./bus" [pid 5059] <... creat resumed>) = 52 [pid 5058] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5059] creat("./file1", 000 [pid 5058] futex(0x7f99ecdeb6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5058] futex(0x7f99ecdeb6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5059] <... creat resumed>) = 53 [pid 5059] creat("./file1", 000 [pid 5057] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5059] <... creat resumed>) = 54 [pid 5059] creat("./file1", 000) = 55 [pid 5059] creat("./file1", 000) = 56 [pid 5059] creat("./file1", 000) = 57 [pid 5059] creat("./file1", 000) = 58 [pid 5059] creat("./file1", 000) = 59 [pid 5059] creat("./file1", 000) = 60 [pid 5059] creat("./file1", 000) = 61 [pid 5059] creat("./file1", 000) = 62 [pid 5059] creat("./file1", 000) = 63 [pid 5059] creat("./file1", 000) = 64 [pid 5059] creat("./file1", 000) = 65 [pid 5059] creat("./file1", 000) = 66 [pid 5059] creat("./file1", 000) = 67 [pid 5059] creat("./file1", 000) = 68 [pid 5059] futex(0x7f99ecdeb6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5059] futex(0x7f99ecdeb6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5057] exit_group(0 [pid 5059] <... futex resumed>) = ? [pid 5058] <... futex resumed>) = ? [pid 5057] <... exit_group resumed>) = ? [pid 5058] +++ exited with 0 +++ [pid 5059] +++ exited with 0 +++ [pid 5057] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5057, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 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, 0x555556a5d730 /* 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, 0x555556a65770 /* 2 entries */, 32768) = 48 getdents64(4, 0x555556a65770 /* 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, 0x555556a5d730 /* 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, child_tidptr=0x555556a5c690) = 5060 ./strace-static-x86_64: Process 5060 attached [pid 5060] set_robust_list(0x555556a5c6a0, 24) = 0 [pid 5060] chdir("./13") = 0 [pid 5060] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5060] setpgid(0, 0) = 0 [pid 5060] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5060] write(3, "1000", 4) = 4 [pid 5060] close(3) = 0 [pid 5060] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5060] futex(0x7f99ecdeb6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5060] rt_sigaction(SIGRT_1, {sa_handler=0x7f99ecd88eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f99ecd7a060}, NULL, 8) = 0 [pid 5060] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5060] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f99eccff000 [pid 5060] mprotect(0x7f99ecd00000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5060] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5060] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f99ecd1f990, parent_tid=0x7f99ecd1f990, exit_signal=0, stack=0x7f99eccff000, stack_size=0x20300, tls=0x7f99ecd1f6c0} => {parent_tid=[5061]}, 88) = 5061 [pid 5060] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5060] futex(0x7f99ecdeb6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5060] futex(0x7f99ecdeb6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5061 attached [pid 5061] rseq(0x7f99ecd1ffe0, 0x20, 0, 0x53053053) = 0 [pid 5061] set_robust_list(0x7f99ecd1f9a0, 24) = 0 [pid 5061] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5061] memfd_create("syzkaller", 0) = 3 [pid 5061] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f99e48ff000 [pid 5061] 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 5061] munmap(0x7f99e48ff000, 524288) = 0 [pid 5061] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5061] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5061] close(3) = 0 [pid 5061] mkdir("./bus", 0777) = 0 [pid 5061] mount("/dev/loop0", "./bus", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK, "") = 0 [pid 5061] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5061] chdir("./bus") = 0 [pid 5061] ioctl(4, LOOP_CLR_FD) = 0 [pid 5061] close(4) = 0 [pid 5061] futex(0x7f99ecdeb6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5061] futex(0x7f99ecdeb6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5060] <... futex resumed>) = 0 [pid 5060] futex(0x7f99ecdeb6a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5061] <... futex resumed>) = 0 [pid 5060] futex(0x7f99ecdeb6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] rename("./file1", "./bus" [pid 5060] <... futex resumed>) = 0 [pid 5060] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f99e495e000 [pid 5060] mprotect(0x7f99e495f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5060] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5061] <... rename resumed>) = 0 [pid 5060] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5060] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f99e497e990, parent_tid=0x7f99e497e990, exit_signal=0, stack=0x7f99e495e000, stack_size=0x20300, tls=0x7f99e497e6c0} [pid 5061] rename("./file1", "./bus"./strace-static-x86_64: Process 5062 attached ) = -1 ENOENT (No such file or directory) [pid 5060] <... clone3 resumed> => {parent_tid=[5062]}, 88) = 5062 [pid 5061] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5061] rename("./file1", "./bus" [pid 5062] rseq(0x7f99e497efe0, 0x20, 0, 0x53053053 [pid 5060] rt_sigprocmask(SIG_SETMASK, [], [pid 5061] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5061] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5061] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5061] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5061] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5061] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5061] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5061] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5061] rename("./file1", "./bus" [pid 5062] <... rseq resumed>) = 0 [pid 5061] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5060] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5061] rename("./file1", "./bus" [pid 5060] futex(0x7f99ecdeb6b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5060] <... futex resumed>) = 0 [pid 5062] set_robust_list(0x7f99e497e9a0, 24 [pid 5060] futex(0x7f99ecdeb6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5061] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5061] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5062] <... set_robust_list resumed>) = 0 [pid 5061] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5061] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5061] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5062] rt_sigprocmask(SIG_SETMASK, [], [pid 5061] rename("./file1", "./bus" [pid 5062] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5061] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5062] creat("./file1", 000 [pid 5061] rename("./file1", "./bus" [pid 5062] <... creat resumed>) = 4 [pid 5062] creat("./file1", 000 [pid 5061] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5061] rename("./file1", "./bus" [pid 5062] <... creat resumed>) = 5 [pid 5061] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5061] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5062] creat("./file1", 000 [pid 5061] rename("./file1", "./bus" [pid 5062] <... creat resumed>) = 6 [pid 5061] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5061] rename("./file1", "./bus" [ 49.837742][ T47] hfsplus: b-tree write err: -5, ino 8 [ 49.876785][ T5061] loop0: detected capacity change from 0 to 1024 [pid 5062] creat("./file1", 000 [pid 5061] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5061] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5061] rename("./file1", "./bus" [pid 5062] <... creat resumed>) = 7 [pid 5061] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5062] creat("./file1", 000 [pid 5061] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5061] rename("./file1", "./bus" [pid 5062] <... creat resumed>) = 8 [pid 5062] creat("./file1", 000 [pid 5061] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5061] rename("./file1", "./bus" [pid 5062] <... creat resumed>) = 9 [pid 5062] creat("./file1", 000 [pid 5061] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5061] rename("./file1", "./bus" [pid 5062] <... creat resumed>) = 10 [pid 5061] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5062] creat("./file1", 000 [pid 5061] rename("./file1", "./bus" [pid 5062] <... creat resumed>) = 11 [pid 5061] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5061] rename("./file1", "./bus" [pid 5062] creat("./file1", 000 [pid 5061] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5062] <... creat resumed>) = 12 [pid 5061] rename("./file1", "./bus" [pid 5062] creat("./file1", 000) = 13 [pid 5062] creat("./file1", 000) = 14 [pid 5062] creat("./file1", 000) = 15 [pid 5061] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5062] creat("./file1", 000) = 16 [pid 5061] rename("./file1", "./bus" [pid 5062] creat("./file1", 000) = 17 [pid 5062] creat("./file1", 000) = 18 [pid 5061] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5062] creat("./file1", 000) = 19 [pid 5061] rename("./file1", "./bus" [pid 5062] creat("./file1", 000) = 20 [pid 5061] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5062] creat("./file1", 000) = 21 [pid 5061] rename("./file1", "./bus" [pid 5062] creat("./file1", 000) = 22 [pid 5061] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5062] creat("./file1", 000 [pid 5061] rename("./file1", "./bus" [pid 5062] <... creat resumed>) = 23 [pid 5062] creat("./file1", 000) = 24 [pid 5061] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5062] creat("./file1", 000 [pid 5061] rename("./file1", "./bus" [pid 5062] <... creat resumed>) = 25 [pid 5062] creat("./file1", 000 [pid 5061] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5062] <... creat resumed>) = 26 [pid 5061] rename("./file1", "./bus" [pid 5062] creat("./file1", 000) = 27 [pid 5061] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5062] creat("./file1", 000) = 28 [pid 5061] rename("./file1", "./bus" [pid 5062] creat("./file1", 000) = 29 [pid 5061] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5062] creat("./file1", 000) = 30 [pid 5061] rename("./file1", "./bus" [pid 5062] creat("./file1", 000) = 31 [pid 5061] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5062] creat("./file1", 000 [pid 5061] rename("./file1", "./bus" [pid 5062] <... creat resumed>) = 32 [pid 5062] creat("./file1", 000) = 33 [pid 5061] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5062] creat("./file1", 000 [pid 5061] rename("./file1", "./bus" [pid 5062] <... creat resumed>) = 34 [pid 5061] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5062] creat("./file1", 000) = 35 [pid 5061] rename("./file1", "./bus" [pid 5062] creat("./file1", 000) = 36 [pid 5061] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5062] creat("./file1", 000 [pid 5061] rename("./file1", "./bus" [pid 5062] <... creat resumed>) = 37 [pid 5062] creat("./file1", 000) = 38 [pid 5061] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5062] creat("./file1", 000 [pid 5061] rename("./file1", "./bus" [pid 5062] <... creat resumed>) = 39 [pid 5062] creat("./file1", 000 [pid 5061] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5062] <... creat resumed>) = 40 [pid 5061] rename("./file1", "./bus" [pid 5062] creat("./file1", 000) = 41 [pid 5061] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5062] creat("./file1", 000) = 42 [pid 5061] rename("./file1", "./bus" [pid 5062] creat("./file1", 000) = 43 [pid 5061] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5062] creat("./file1", 000 [pid 5061] rename("./file1", "./bus" [pid 5062] <... creat resumed>) = 44 [pid 5062] creat("./file1", 000) = 45 [pid 5061] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5062] creat("./file1", 000 [pid 5061] rename("./file1", "./bus" [pid 5062] <... creat resumed>) = 46 [pid 5062] creat("./file1", 000) = 47 [pid 5061] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5062] creat("./file1", 000 [pid 5061] rename("./file1", "./bus" [pid 5062] <... creat resumed>) = 48 [pid 5061] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5062] creat("./file1", 000) = 49 [pid 5061] rename("./file1", "./bus" [pid 5062] creat("./file1", 000) = 50 [pid 5061] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5062] creat("./file1", 000 [pid 5061] rename("./file1", "./bus" [pid 5062] <... creat resumed>) = 51 [pid 5062] creat("./file1", 000) = 52 [pid 5061] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5062] creat("./file1", 000 [pid 5061] rename("./file1", "./bus" [pid 5062] <... creat resumed>) = 53 [pid 5062] creat("./file1", 000) = 54 [pid 5061] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5062] creat("./file1", 000) = 55 [pid 5061] rename("./file1", "./bus" [pid 5062] creat("./file1", 000) = 56 [pid 5061] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5062] creat("./file1", 000 [pid 5061] rename("./file1", "./bus" [pid 5062] <... creat resumed>) = 57 [pid 5062] creat("./file1", 000) = 58 [pid 5061] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5062] creat("./file1", 000 [pid 5061] rename("./file1", "./bus" [pid 5062] <... creat resumed>) = 59 [pid 5062] creat("./file1", 000) = 60 [pid 5061] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5060] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5062] creat("./file1", 000 [pid 5061] rename("./file1", "./bus" [pid 5062] <... creat resumed>) = 61 [pid 5062] creat("./file1", 000) = 62 [pid 5061] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5062] creat("./file1", 000) = 63 [pid 5061] rename("./file1", "./bus" [pid 5062] creat("./file1", 000 [pid 5061] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5061] rename("./file1", "./bus" [pid 5062] <... creat resumed>) = 64 [pid 5062] creat("./file1", 000 [pid 5061] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5062] <... creat resumed>) = 65 [pid 5061] rename("./file1", "./bus" [pid 5062] creat("./file1", 000) = 66 [pid 5061] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5062] creat("./file1", 000 [pid 5061] rename("./file1", "./bus" [pid 5062] <... creat resumed>) = 67 [pid 5062] creat("./file1", 000) = 68 [pid 5061] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5062] futex(0x7f99ecdeb6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] rename("./file1", "./bus" [pid 5062] <... futex resumed>) = 0 [pid 5062] futex(0x7f99ecdeb6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5061] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5061] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5061] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5061] futex(0x7f99ecdeb6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5061] futex(0x7f99ecdeb6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5060] exit_group(0 [pid 5062] <... futex resumed>) = ? [pid 5061] <... futex resumed>) = ? [pid 5060] <... exit_group resumed>) = ? [pid 5062] +++ exited with 0 +++ [pid 5061] +++ exited with 0 +++ [pid 5060] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5060, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- 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, 0x555556a5d730 /* 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, 0x555556a65770 /* 2 entries */, 32768) = 48 getdents64(4, 0x555556a65770 /* 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, 0x555556a5d730 /* 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=0x555556a5c690) = 5063 ./strace-static-x86_64: Process 5063 attached [pid 5063] set_robust_list(0x555556a5c6a0, 24) = 0 [pid 5063] chdir("./14") = 0 [pid 5063] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5063] setpgid(0, 0) = 0 [pid 5063] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5063] write(3, "1000", 4) = 4 [pid 5063] close(3) = 0 [pid 5063] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5063] futex(0x7f99ecdeb6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5063] rt_sigaction(SIGRT_1, {sa_handler=0x7f99ecd88eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f99ecd7a060}, NULL, 8) = 0 [pid 5063] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5063] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f99eccff000 [pid 5063] mprotect(0x7f99ecd00000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5063] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5063] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f99ecd1f990, parent_tid=0x7f99ecd1f990, exit_signal=0, stack=0x7f99eccff000, stack_size=0x20300, tls=0x7f99ecd1f6c0}./strace-static-x86_64: Process 5064 attached => {parent_tid=[5064]}, 88) = 5064 [pid 5064] rseq(0x7f99ecd1ffe0, 0x20, 0, 0x53053053) = 0 [pid 5064] set_robust_list(0x7f99ecd1f9a0, 24) = 0 [pid 5064] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5064] futex(0x7f99ecdeb6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5063] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5063] futex(0x7f99ecdeb6a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5063] futex(0x7f99ecdeb6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5064] <... futex resumed>) = 0 [pid 5064] memfd_create("syzkaller", 0) = 3 [pid 5064] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f99e48ff000 [pid 5064] 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 5064] munmap(0x7f99e48ff000, 524288) = 0 [pid 5064] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 49.975243][ T33] hfsplus: b-tree write err: -5, ino 8 [pid 5064] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5064] close(3) = 0 [pid 5064] mkdir("./bus", 0777) = 0 [pid 5064] mount("/dev/loop0", "./bus", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK, "") = 0 [pid 5064] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5064] chdir("./bus") = 0 [pid 5064] ioctl(4, LOOP_CLR_FD) = 0 [pid 5064] close(4) = 0 [pid 5064] futex(0x7f99ecdeb6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] <... futex resumed>) = 0 [pid 5063] futex(0x7f99ecdeb6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5063] futex(0x7f99ecdeb6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5063] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f99e495e000 [pid 5063] mprotect(0x7f99e495f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5063] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5064] <... futex resumed>) = 1 [pid 5063] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5064] rename("./file1", "./bus" [pid 5063] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f99e497e990, parent_tid=0x7f99e497e990, exit_signal=0, stack=0x7f99e495e000, stack_size=0x20300, tls=0x7f99e497e6c0} [pid 5064] <... rename resumed>) = 0 [pid 5063] <... clone3 resumed> => {parent_tid=[5065]}, 88) = 5065 [pid 5064] rename("./file1", "./bus" [pid 5063] rt_sigprocmask(SIG_SETMASK, [], [pid 5064] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5063] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5064] rename("./file1", "./bus" [pid 5063] futex(0x7f99ecdeb6b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5063] <... futex resumed>) = 0 [pid 5064] rename("./file1", "./bus" [pid 5063] futex(0x7f99ecdeb6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5064] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5064] rename("./file1", "./bus"./strace-static-x86_64: Process 5065 attached [pid 5065] rseq(0x7f99e497efe0, 0x20, 0, 0x53053053 [pid 5064] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5064] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5064] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5064] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5064] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5064] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5064] rename("./file1", "./bus" [pid 5065] <... rseq resumed>) = 0 [pid 5064] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5065] set_robust_list(0x7f99e497e9a0, 24 [pid 5064] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5064] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5064] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5064] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5064] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5064] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5064] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5064] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5064] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5064] rename("./file1", "./bus" [pid 5065] <... set_robust_list resumed>) = 0 [pid 5064] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5064] rename("./file1", "./bus" [pid 5065] rt_sigprocmask(SIG_SETMASK, [], [pid 5064] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5064] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5064] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5064] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5064] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5064] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5065] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5064] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5064] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5064] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5065] creat("./file1", 000 [pid 5064] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5064] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5064] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5064] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5064] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5064] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5064] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5064] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5064] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5064] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5064] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5064] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5064] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5064] rename("./file1", "./bus" [pid 5065] <... creat resumed>) = 4 [pid 5065] creat("./file1", 000) = 5 [pid 5064] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5065] creat("./file1", 000) = 6 [pid 5064] rename("./file1", "./bus" [pid 5065] creat("./file1", 000) = 7 [pid 5064] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5065] creat("./file1", 000) = 8 [pid 5064] rename("./file1", "./bus" [pid 5065] creat("./file1", 000) = 9 [pid 5064] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5065] creat("./file1", 000) = 10 [pid 5064] rename("./file1", "./bus" [pid 5065] creat("./file1", 000) = 11 [pid 5064] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5065] creat("./file1", 000 [pid 5064] rename("./file1", "./bus" [pid 5065] <... creat resumed>) = 12 [pid 5065] creat("./file1", 000) = 13 [pid 5064] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5065] creat("./file1", 000) = 14 [pid 5064] rename("./file1", "./bus" [pid 5065] creat("./file1", 000) = 15 [pid 5064] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5065] creat("./file1", 000 [pid 5064] rename("./file1", "./bus" [pid 5065] <... creat resumed>) = 16 [pid 5064] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5065] creat("./file1", 000) = 17 [pid 5064] rename("./file1", "./bus" [pid 5065] creat("./file1", 000) = 18 [pid 5064] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5065] creat("./file1", 000) = 19 [pid 5064] rename("./file1", "./bus" [pid 5065] creat("./file1", 000) = 20 [pid 5064] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5065] creat("./file1", 000 [pid 5064] rename("./file1", "./bus" [pid 5065] <... creat resumed>) = 21 [pid 5065] creat("./file1", 000 [pid 5064] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5065] <... creat resumed>) = 22 [ 50.032205][ T5064] loop0: detected capacity change from 0 to 1024 [pid 5064] rename("./file1", "./bus" [pid 5065] creat("./file1", 000) = 23 [pid 5064] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5065] creat("./file1", 000 [pid 5064] rename("./file1", "./bus" [pid 5065] <... creat resumed>) = 24 [pid 5065] creat("./file1", 000) = 25 [pid 5064] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5065] creat("./file1", 000) = 26 [pid 5064] rename("./file1", "./bus" [pid 5065] creat("./file1", 000) = 27 [pid 5064] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5065] creat("./file1", 000) = 28 [pid 5064] rename("./file1", "./bus" [pid 5065] creat("./file1", 000) = 29 [pid 5064] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5065] creat("./file1", 000 [pid 5064] rename("./file1", "./bus" [pid 5065] <... creat resumed>) = 30 [pid 5064] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5065] creat("./file1", 000) = 31 [pid 5064] rename("./file1", "./bus" [pid 5065] creat("./file1", 000) = 32 [pid 5064] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5065] creat("./file1", 000 [pid 5064] rename("./file1", "./bus" [pid 5065] <... creat resumed>) = 33 [pid 5065] creat("./file1", 000) = 34 [pid 5064] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5065] creat("./file1", 000) = 35 [pid 5064] rename("./file1", "./bus" [pid 5065] creat("./file1", 000) = 36 [pid 5064] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5065] creat("./file1", 000 [pid 5064] rename("./file1", "./bus" [pid 5065] <... creat resumed>) = 37 [pid 5064] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5065] creat("./file1", 000 [pid 5064] rename("./file1", "./bus" [pid 5065] <... creat resumed>) = 38 [pid 5063] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5065] creat("./file1", 000) = 39 [pid 5064] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5065] creat("./file1", 000 [pid 5064] rename("./file1", "./bus" [pid 5065] <... creat resumed>) = 40 [pid 5064] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5065] creat("./file1", 000) = 41 [pid 5064] rename("./file1", "./bus" [pid 5065] creat("./file1", 000) = 42 [pid 5064] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5065] creat("./file1", 000 [pid 5064] futex(0x7f99ecdeb6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... creat resumed>) = 43 [pid 5064] <... futex resumed>) = 0 [pid 5065] creat("./file1", 000 [pid 5064] futex(0x7f99ecdeb6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5065] <... creat resumed>) = 44 [pid 5065] creat("./file1", 000) = 45 [pid 5065] creat("./file1", 000) = 46 [pid 5065] creat("./file1", 000) = 47 [pid 5065] creat("./file1", 000) = 48 [pid 5065] creat("./file1", 000) = 49 [pid 5065] creat("./file1", 000) = 50 [pid 5065] creat("./file1", 000) = 51 [pid 5065] creat("./file1", 000) = 52 [pid 5065] creat("./file1", 000) = 53 [pid 5065] creat("./file1", 000) = 54 [pid 5065] creat("./file1", 000) = 55 [pid 5065] creat("./file1", 000) = 56 [pid 5065] creat("./file1", 000) = 57 [pid 5065] creat("./file1", 000) = 58 [pid 5065] creat("./file1", 000) = 59 [pid 5065] creat("./file1", 000) = 60 [pid 5065] creat("./file1", 000) = 61 [pid 5065] creat("./file1", 000) = 62 [pid 5065] creat("./file1", 000) = 63 [pid 5065] creat("./file1", 000) = 64 [pid 5065] creat("./file1", 000) = 65 [pid 5065] creat("./file1", 000) = 66 [pid 5065] creat("./file1", 000) = 67 [pid 5065] creat("./file1", 000) = 68 [pid 5065] futex(0x7f99ecdeb6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5065] futex(0x7f99ecdeb6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5063] exit_group(0 [pid 5065] <... futex resumed>) = ? [pid 5064] <... futex resumed>) = ? [pid 5063] <... exit_group resumed>) = ? [pid 5065] +++ exited with 0 +++ [pid 5064] +++ exited with 0 +++ [pid 5063] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5063, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- 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, 0x555556a5d730 /* 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, 0x555556a65770 /* 2 entries */, 32768) = 48 getdents64(4, 0x555556a65770 /* 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, 0x555556a5d730 /* 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, child_tidptr=0x555556a5c690) = 5066 ./strace-static-x86_64: Process 5066 attached [pid 5066] set_robust_list(0x555556a5c6a0, 24) = 0 [pid 5066] chdir("./15") = 0 [pid 5066] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5066] setpgid(0, 0) = 0 [pid 5066] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5066] write(3, "1000", 4) = 4 [pid 5066] close(3) = 0 [pid 5066] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5066] futex(0x7f99ecdeb6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5066] rt_sigaction(SIGRT_1, {sa_handler=0x7f99ecd88eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f99ecd7a060}, NULL, 8) = 0 [pid 5066] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5066] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f99eccff000 [pid 5066] mprotect(0x7f99ecd00000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5066] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5066] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f99ecd1f990, parent_tid=0x7f99ecd1f990, exit_signal=0, stack=0x7f99eccff000, stack_size=0x20300, tls=0x7f99ecd1f6c0}./strace-static-x86_64: Process 5067 attached => {parent_tid=[5067]}, 88) = 5067 [pid 5067] rseq(0x7f99ecd1ffe0, 0x20, 0, 0x53053053) = 0 [pid 5067] set_robust_list(0x7f99ecd1f9a0, 24) = 0 [pid 5067] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5067] futex(0x7f99ecdeb6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5066] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5066] futex(0x7f99ecdeb6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... futex resumed>) = 0 [pid 5066] <... futex resumed>) = 1 [pid 5066] futex(0x7f99ecdeb6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5067] memfd_create("syzkaller", 0) = 3 [pid 5067] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f99e48ff000 [pid 5067] 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 5067] munmap(0x7f99e48ff000, 524288) = 0 [pid 5067] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 50.134970][ T47] hfsplus: b-tree write err: -5, ino 8 [pid 5067] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5067] close(3) = 0 [pid 5067] mkdir("./bus", 0777) = 0 [pid 5067] mount("/dev/loop0", "./bus", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK, "") = 0 [pid 5067] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5067] chdir("./bus") = 0 [pid 5067] ioctl(4, LOOP_CLR_FD) = 0 [pid 5067] close(4) = 0 [pid 5067] futex(0x7f99ecdeb6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] <... futex resumed>) = 0 [pid 5066] futex(0x7f99ecdeb6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5066] futex(0x7f99ecdeb6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5066] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f99e495e000 [pid 5066] mprotect(0x7f99e495f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5066] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5066] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f99e497e990, parent_tid=0x7f99e497e990, exit_signal=0, stack=0x7f99e495e000, stack_size=0x20300, tls=0x7f99e497e6c0} => {parent_tid=[5068]}, 88) = 5068 [pid 5066] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5066] futex(0x7f99ecdeb6b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5066] futex(0x7f99ecdeb6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] <... futex resumed>) = 1 [pid 5067] rename("./file1", "./bus") = 0 [pid 5067] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5067] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5067] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5067] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5067] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5067] rename("./file1", "./bus"./strace-static-x86_64: Process 5068 attached ) = -1 ENOENT (No such file or directory) [pid 5067] rename("./file1", "./bus" [pid 5068] rseq(0x7f99e497efe0, 0x20, 0, 0x53053053 [pid 5067] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5068] <... rseq resumed>) = 0 [pid 5067] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5067] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5068] set_robust_list(0x7f99e497e9a0, 24 [pid 5067] rename("./file1", "./bus" [pid 5068] <... set_robust_list resumed>) = 0 [pid 5067] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5068] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5067] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5067] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5067] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5068] creat("./file1", 000 [pid 5067] rename("./file1", "./bus" [pid 5068] <... creat resumed>) = 4 [pid 5068] creat("./file1", 000 [pid 5067] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5067] rename("./file1", "./bus" [pid 5068] <... creat resumed>) = 5 [pid 5067] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5068] creat("./file1", 000 [pid 5067] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5067] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5067] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5067] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5067] rename("./file1", "./bus" [pid 5068] <... creat resumed>) = 6 [pid 5067] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5068] creat("./file1", 000 [pid 5067] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5067] rename("./file1", "./bus" [pid 5068] <... creat resumed>) = 7 [pid 5068] creat("./file1", 000 [pid 5067] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5067] rename("./file1", "./bus" [pid 5068] <... creat resumed>) = 8 [pid 5067] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5068] creat("./file1", 000 [pid 5067] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5067] rename("./file1", "./bus" [pid 5068] <... creat resumed>) = 9 [pid 5068] creat("./file1", 000 [pid 5067] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5067] rename("./file1", "./bus" [pid 5068] <... creat resumed>) = 10 [pid 5067] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5067] rename("./file1", "./bus" [pid 5068] creat("./file1", 000 [pid 5067] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5067] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5067] rename("./file1", "./bus" [pid 5068] <... creat resumed>) = 11 [pid 5068] creat("./file1", 000 [pid 5067] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5067] rename("./file1", "./bus" [pid 5068] <... creat resumed>) = 12 [pid 5067] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5068] creat("./file1", 000 [pid 5067] rename("./file1", "./bus" [pid 5068] <... creat resumed>) = 13 [pid 5067] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5068] creat("./file1", 000 [pid 5067] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5067] rename("./file1", "./bus" [pid 5068] <... creat resumed>) = 14 [pid 5067] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5067] rename("./file1", "./bus" [pid 5068] creat("./file1", 000 [pid 5067] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5068] <... creat resumed>) = 15 [pid 5067] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5068] creat("./file1", 000 [pid 5067] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5067] rename("./file1", "./bus" [pid 5068] <... creat resumed>) = 16 [pid 5068] creat("./file1", 000 [pid 5067] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5067] rename("./file1", "./bus" [pid 5068] <... creat resumed>) = 17 [pid 5067] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5068] creat("./file1", 000 [pid 5067] rename("./file1", "./bus" [pid 5068] <... creat resumed>) = 18 [pid 5067] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5068] creat("./file1", 000 [pid 5067] rename("./file1", "./bus" [pid 5068] <... creat resumed>) = 19 [pid 5067] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5067] rename("./file1", "./bus" [pid 5068] creat("./file1", 000 [pid 5067] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5068] <... creat resumed>) = 20 [pid 5067] rename("./file1", "./bus" [pid 5068] creat("./file1", 000 [pid 5067] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5067] rename("./file1", "./bus" [pid 5068] <... creat resumed>) = 21 [pid 5067] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5067] rename("./file1", "./bus" [pid 5068] creat("./file1", 000 [pid 5067] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5067] rename("./file1", "./bus" [pid 5068] <... creat resumed>) = 22 [pid 5067] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5068] creat("./file1", 000 [pid 5067] rename("./file1", "./bus" [pid 5068] <... creat resumed>) = 23 [pid 5067] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5068] creat("./file1", 000 [ 50.191197][ T5067] loop0: detected capacity change from 0 to 1024 [pid 5067] rename("./file1", "./bus" [pid 5068] <... creat resumed>) = 24 [pid 5067] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5068] creat("./file1", 000 [pid 5067] rename("./file1", "./bus" [pid 5068] <... creat resumed>) = 25 [pid 5067] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5068] creat("./file1", 000 [pid 5067] rename("./file1", "./bus" [pid 5068] <... creat resumed>) = 26 [pid 5067] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5068] creat("./file1", 000 [pid 5067] rename("./file1", "./bus" [pid 5068] <... creat resumed>) = 27 [pid 5067] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5068] creat("./file1", 000 [pid 5067] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5067] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5067] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5067] rename("./file1", "./bus" [pid 5068] <... creat resumed>) = 28 [pid 5067] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5068] creat("./file1", 000 [pid 5067] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5068] <... creat resumed>) = 29 [pid 5067] rename("./file1", "./bus" [pid 5068] creat("./file1", 000 [pid 5067] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5067] rename("./file1", "./bus" [pid 5068] <... creat resumed>) = 30 [pid 5067] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5068] creat("./file1", 000 [pid 5067] rename("./file1", "./bus" [pid 5068] <... creat resumed>) = 31 [pid 5067] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5068] creat("./file1", 000 [pid 5067] rename("./file1", "./bus" [pid 5068] <... creat resumed>) = 32 [pid 5067] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5067] rename("./file1", "./bus" [pid 5068] creat("./file1", 000 [pid 5067] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5067] rename("./file1", "./bus" [pid 5068] <... creat resumed>) = 33 [pid 5067] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5068] creat("./file1", 000 [pid 5067] rename("./file1", "./bus" [pid 5068] <... creat resumed>) = 34 [pid 5067] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5068] creat("./file1", 000 [pid 5067] rename("./file1", "./bus" [pid 5068] <... creat resumed>) = 35 [pid 5067] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5068] creat("./file1", 000 [pid 5067] rename("./file1", "./bus" [pid 5068] <... creat resumed>) = 36 [pid 5067] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5068] creat("./file1", 000 [pid 5067] futex(0x7f99ecdeb6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5067] futex(0x7f99ecdeb6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5068] <... creat resumed>) = 37 [pid 5068] creat("./file1", 000) = 38 [pid 5068] creat("./file1", 000) = 39 [pid 5068] creat("./file1", 000) = 40 [pid 5068] creat("./file1", 000) = 41 [pid 5068] creat("./file1", 000) = 42 [pid 5066] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5068] creat("./file1", 000) = 43 [pid 5068] creat("./file1", 000) = 44 [pid 5068] creat("./file1", 000) = 45 [pid 5068] creat("./file1", 000) = 46 [pid 5068] creat("./file1", 000) = 47 [pid 5068] creat("./file1", 000) = 48 [pid 5068] creat("./file1", 000) = 49 [pid 5068] creat("./file1", 000) = 50 [pid 5068] creat("./file1", 000) = 51 [pid 5068] creat("./file1", 000) = 52 [pid 5068] creat("./file1", 000) = 53 [pid 5068] creat("./file1", 000) = 54 [pid 5068] creat("./file1", 000) = 55 [pid 5068] creat("./file1", 000) = 56 [pid 5068] creat("./file1", 000) = 57 [pid 5068] creat("./file1", 000) = 58 [pid 5068] creat("./file1", 000) = 59 [pid 5068] creat("./file1", 000) = 60 [pid 5068] creat("./file1", 000) = 61 [pid 5068] creat("./file1", 000) = 62 [pid 5068] creat("./file1", 000) = 63 [pid 5068] creat("./file1", 000) = 64 [pid 5068] creat("./file1", 000) = 65 [pid 5068] creat("./file1", 000) = 66 [pid 5068] creat("./file1", 000) = 67 [pid 5068] creat("./file1", 000) = 68 [pid 5068] futex(0x7f99ecdeb6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5068] futex(0x7f99ecdeb6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5066] exit_group(0 [pid 5068] <... futex resumed>) = ? [pid 5067] <... futex resumed>) = ? [pid 5066] <... exit_group resumed>) = ? [pid 5068] +++ exited with 0 +++ [pid 5067] +++ exited with 0 +++ [pid 5066] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5066, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 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, 0x555556a5d730 /* 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, 0x555556a65770 /* 2 entries */, 32768) = 48 getdents64(4, 0x555556a65770 /* 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, 0x555556a5d730 /* 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, child_tidptr=0x555556a5c690) = 5069 ./strace-static-x86_64: Process 5069 attached [pid 5069] set_robust_list(0x555556a5c6a0, 24) = 0 [pid 5069] chdir("./16") = 0 [pid 5069] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5069] setpgid(0, 0) = 0 [pid 5069] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5069] write(3, "1000", 4) = 4 [pid 5069] close(3) = 0 [pid 5069] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5069] futex(0x7f99ecdeb6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5069] rt_sigaction(SIGRT_1, {sa_handler=0x7f99ecd88eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f99ecd7a060}, NULL, 8) = 0 [pid 5069] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5069] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f99eccff000 [pid 5069] mprotect(0x7f99ecd00000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5069] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5069] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f99ecd1f990, parent_tid=0x7f99ecd1f990, exit_signal=0, stack=0x7f99eccff000, stack_size=0x20300, tls=0x7f99ecd1f6c0} => {parent_tid=[5070]}, 88) = 5070 ./strace-static-x86_64: Process 5070 attached [pid 5070] rseq(0x7f99ecd1ffe0, 0x20, 0, 0x53053053) = 0 [pid 5070] set_robust_list(0x7f99ecd1f9a0, 24) = 0 [pid 5070] rt_sigprocmask(SIG_SETMASK, [], [pid 5069] rt_sigprocmask(SIG_SETMASK, [], [pid 5070] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5069] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5070] futex(0x7f99ecdeb6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5069] futex(0x7f99ecdeb6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5069] <... futex resumed>) = 0 [pid 5070] memfd_create("syzkaller", 0 [pid 5069] futex(0x7f99ecdeb6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5070] <... memfd_create resumed>) = 3 [pid 5070] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f99e48ff000 [pid 5070] 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 5070] munmap(0x7f99e48ff000, 524288) = 0 [pid 5070] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 50.301796][ T33] hfsplus: b-tree write err: -5, ino 8 [pid 5070] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5070] close(3) = 0 [pid 5070] mkdir("./bus", 0777) = 0 [pid 5070] mount("/dev/loop0", "./bus", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK, "") = 0 [pid 5070] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5070] chdir("./bus") = 0 [pid 5070] ioctl(4, LOOP_CLR_FD) = 0 [pid 5070] close(4) = 0 [pid 5070] futex(0x7f99ecdeb6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5069] <... futex resumed>) = 0 [pid 5070] futex(0x7f99ecdeb6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5069] futex(0x7f99ecdeb6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5069] <... futex resumed>) = 0 [pid 5070] rename("./file1", "./bus" [pid 5069] futex(0x7f99ecdeb6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] <... rename resumed>) = 0 [pid 5069] <... futex resumed>) = 0 [pid 5070] rename("./file1", "./bus" [pid 5069] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5070] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5069] <... mmap resumed>) = 0x7f99e495e000 [pid 5070] rename("./file1", "./bus" [pid 5069] mprotect(0x7f99e495f000, 131072, PROT_READ|PROT_WRITE [pid 5070] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5069] <... mprotect resumed>) = 0 [pid 5070] rename("./file1", "./bus" [pid 5069] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5070] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5069] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5070] rename("./file1", "./bus" [pid 5069] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f99e497e990, parent_tid=0x7f99e497e990, exit_signal=0, stack=0x7f99e495e000, stack_size=0x20300, tls=0x7f99e497e6c0} [pid 5070] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5070] rename("./file1", "./bus" [pid 5069] <... clone3 resumed> => {parent_tid=[5071]}, 88) = 5071 ./strace-static-x86_64: Process 5071 attached [pid 5070] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5069] rt_sigprocmask(SIG_SETMASK, [], [pid 5070] rename("./file1", "./bus" [pid 5069] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5070] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5069] futex(0x7f99ecdeb6b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] rename("./file1", "./bus" [pid 5069] <... futex resumed>) = 0 [pid 5070] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5069] futex(0x7f99ecdeb6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5070] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5071] rseq(0x7f99e497efe0, 0x20, 0, 0x53053053 [pid 5070] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5070] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5070] rename("./file1", "./bus" [pid 5071] <... rseq resumed>) = 0 [pid 5070] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5070] rename("./file1", "./bus" [pid 5071] set_robust_list(0x7f99e497e9a0, 24 [pid 5070] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5070] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5070] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5070] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5070] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5070] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5070] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5070] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5070] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5070] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5070] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5071] <... set_robust_list resumed>) = 0 [pid 5070] rename("./file1", "./bus" [pid 5071] rt_sigprocmask(SIG_SETMASK, [], [pid 5070] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5071] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5070] rename("./file1", "./bus" [pid 5071] creat("./file1", 000 [pid 5070] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5070] rename("./file1", "./bus" [pid 5071] <... creat resumed>) = 4 [pid 5071] creat("./file1", 000 [pid 5070] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5070] rename("./file1", "./bus" [pid 5071] <... creat resumed>) = 5 [pid 5070] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5071] creat("./file1", 000 [pid 5070] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5071] <... creat resumed>) = 6 [pid 5070] rename("./file1", "./bus" [pid 5071] creat("./file1", 000 [pid 5070] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5070] rename("./file1", "./bus" [pid 5071] <... creat resumed>) = 7 [pid 5070] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5070] rename("./file1", "./bus" [pid 5071] creat("./file1", 000 [pid 5070] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5070] rename("./file1", "./bus" [pid 5071] <... creat resumed>) = 8 [pid 5070] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5071] creat("./file1", 000 [pid 5070] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5070] rename("./file1", "./bus" [pid 5071] <... creat resumed>) = 9 [pid 5070] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5071] creat("./file1", 000 [pid 5070] rename("./file1", "./bus" [pid 5071] <... creat resumed>) = 10 [pid 5070] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5071] creat("./file1", 000 [pid 5070] rename("./file1", "./bus" [pid 5071] <... creat resumed>) = 11 [pid 5070] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5071] creat("./file1", 000 [pid 5070] rename("./file1", "./bus" [pid 5071] <... creat resumed>) = 12 [pid 5070] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5071] creat("./file1", 000 [pid 5070] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5070] rename("./file1", "./bus" [pid 5071] <... creat resumed>) = 13 [pid 5070] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5071] creat("./file1", 000 [pid 5070] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5070] rename("./file1", "./bus" [pid 5071] <... creat resumed>) = 14 [pid 5070] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5071] creat("./file1", 000 [pid 5070] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5070] rename("./file1", "./bus" [pid 5071] <... creat resumed>) = 15 [pid 5070] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5071] creat("./file1", 000 [pid 5070] rename("./file1", "./bus" [pid 5071] <... creat resumed>) = 16 [pid 5070] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5071] creat("./file1", 000 [pid 5070] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5071] <... creat resumed>) = 17 [pid 5070] rename("./file1", "./bus" [pid 5071] creat("./file1", 000 [pid 5070] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5070] rename("./file1", "./bus" [pid 5071] <... creat resumed>) = 18 [pid 5070] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5071] creat("./file1", 000 [pid 5070] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5071] <... creat resumed>) = 19 [pid 5070] rename("./file1", "./bus" [pid 5071] creat("./file1", 000 [pid 5070] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5070] rename("./file1", "./bus" [pid 5071] <... creat resumed>) = 20 [pid 5070] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5071] creat("./file1", 000 [pid 5070] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5070] rename("./file1", "./bus" [pid 5071] <... creat resumed>) = 21 [pid 5070] <... rename resumed>) = -1 ENOENT (No such file or directory) [ 50.357798][ T5070] loop0: detected capacity change from 0 to 1024 [pid 5070] rename("./file1", "./bus" [pid 5071] creat("./file1", 000 [pid 5070] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5070] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5070] rename("./file1", "./bus" [pid 5071] <... creat resumed>) = 22 [pid 5070] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5071] creat("./file1", 000 [pid 5070] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5070] rename("./file1", "./bus" [pid 5071] <... creat resumed>) = 23 [pid 5070] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5071] creat("./file1", 000 [pid 5070] rename("./file1", "./bus" [pid 5071] <... creat resumed>) = 24 [pid 5070] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5071] creat("./file1", 000 [pid 5070] rename("./file1", "./bus" [pid 5071] <... creat resumed>) = 25 [pid 5070] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5071] creat("./file1", 000 [pid 5070] rename("./file1", "./bus" [pid 5071] <... creat resumed>) = 26 [pid 5070] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5071] creat("./file1", 000 [pid 5070] rename("./file1", "./bus" [pid 5071] <... creat resumed>) = 27 [pid 5070] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5071] creat("./file1", 000 [pid 5070] rename("./file1", "./bus" [pid 5071] <... creat resumed>) = 28 [pid 5070] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5071] creat("./file1", 000 [pid 5070] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5071] <... creat resumed>) = 29 [pid 5070] rename("./file1", "./bus" [pid 5071] creat("./file1", 000 [pid 5070] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5070] futex(0x7f99ecdeb6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5070] futex(0x7f99ecdeb6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5071] <... creat resumed>) = 30 [pid 5071] creat("./file1", 000) = 31 [pid 5071] creat("./file1", 000) = 32 [pid 5071] creat("./file1", 000) = 33 [pid 5071] creat("./file1", 000) = 34 [pid 5071] creat("./file1", 000) = 35 [pid 5071] creat("./file1", 000) = 36 [pid 5071] creat("./file1", 000) = 37 [pid 5071] creat("./file1", 000) = 38 [pid 5071] creat("./file1", 000) = 39 [pid 5071] creat("./file1", 000) = 40 [pid 5069] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5071] creat("./file1", 000 [pid 5069] futex(0x7f99ecdeb6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5071] <... creat resumed>) = 41 [pid 5071] creat("./file1", 000) = 42 [pid 5071] creat("./file1", 000) = 43 [pid 5071] creat("./file1", 000) = 44 [pid 5071] creat("./file1", 000) = 45 [pid 5071] creat("./file1", 000) = 46 [pid 5071] creat("./file1", 000) = 47 [pid 5071] creat("./file1", 000) = 48 [pid 5071] creat("./file1", 000) = 49 [pid 5071] creat("./file1", 000) = 50 [pid 5071] creat("./file1", 000) = 51 [pid 5071] creat("./file1", 000) = 52 [pid 5071] creat("./file1", 000) = 53 [pid 5071] creat("./file1", 000) = 54 [pid 5071] creat("./file1", 000) = 55 [pid 5071] creat("./file1", 000) = 56 [pid 5071] creat("./file1", 000) = 57 [pid 5071] creat("./file1", 000) = 58 [pid 5071] creat("./file1", 000) = 59 [pid 5071] creat("./file1", 000) = 60 [pid 5071] creat("./file1", 000) = 61 [pid 5071] creat("./file1", 000) = 62 [pid 5071] creat("./file1", 000) = 63 [pid 5071] creat("./file1", 000) = 64 [pid 5071] creat("./file1", 000) = 65 [pid 5071] creat("./file1", 000) = 66 [pid 5071] creat("./file1", 000) = 67 [pid 5071] creat("./file1", 000) = 68 [pid 5071] futex(0x7f99ecdeb6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5071] futex(0x7f99ecdeb6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5069] exit_group(0 [pid 5071] <... futex resumed>) = ? [pid 5070] <... futex resumed>) = ? [pid 5069] <... exit_group resumed>) = ? [pid 5070] +++ exited with 0 +++ [pid 5071] +++ exited with 0 +++ [pid 5069] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5069, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 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, 0x555556a5d730 /* 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, 0x555556a65770 /* 2 entries */, 32768) = 48 getdents64(4, 0x555556a65770 /* 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, 0x555556a5d730 /* 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, child_tidptr=0x555556a5c690) = 5072 ./strace-static-x86_64: Process 5072 attached [pid 5072] set_robust_list(0x555556a5c6a0, 24) = 0 [pid 5072] chdir("./17") = 0 [pid 5072] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5072] setpgid(0, 0) = 0 [pid 5072] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5072] write(3, "1000", 4) = 4 [pid 5072] close(3) = 0 [pid 5072] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5072] futex(0x7f99ecdeb6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5072] rt_sigaction(SIGRT_1, {sa_handler=0x7f99ecd88eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f99ecd7a060}, NULL, 8) = 0 [pid 5072] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5072] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f99eccff000 [pid 5072] mprotect(0x7f99ecd00000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5072] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5072] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f99ecd1f990, parent_tid=0x7f99ecd1f990, exit_signal=0, stack=0x7f99eccff000, stack_size=0x20300, tls=0x7f99ecd1f6c0}./strace-static-x86_64: Process 5073 attached [pid 5073] rseq(0x7f99ecd1ffe0, 0x20, 0, 0x53053053 [pid 5072] <... clone3 resumed> => {parent_tid=[5073]}, 88) = 5073 [pid 5073] <... rseq resumed>) = 0 [pid 5073] set_robust_list(0x7f99ecd1f9a0, 24) = 0 [pid 5073] rt_sigprocmask(SIG_SETMASK, [], [pid 5072] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5072] futex(0x7f99ecdeb6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5073] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5072] futex(0x7f99ecdeb6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5073] memfd_create("syzkaller", 0) = 3 [pid 5073] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f99e48ff000 [pid 5073] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288) = 524288 [pid 5073] munmap(0x7f99e48ff000, 524288) = 0 [pid 5073] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 50.494714][ T12] hfsplus: b-tree write err: -5, ino 8 [pid 5073] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5073] close(3) = 0 [pid 5073] mkdir("./bus", 0777) = 0 [pid 5073] mount("/dev/loop0", "./bus", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK, "") = 0 [pid 5073] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5073] chdir("./bus") = 0 [pid 5073] ioctl(4, LOOP_CLR_FD) = 0 [pid 5073] close(4) = 0 [pid 5073] futex(0x7f99ecdeb6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] <... futex resumed>) = 0 [pid 5072] futex(0x7f99ecdeb6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5072] futex(0x7f99ecdeb6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5072] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f99e495e000 [pid 5072] mprotect(0x7f99e495f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5072] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5072] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f99e497e990, parent_tid=0x7f99e497e990, exit_signal=0, stack=0x7f99e495e000, stack_size=0x20300, tls=0x7f99e497e6c0}./strace-static-x86_64: Process 5074 attached [pid 5073] <... futex resumed>) = 1 [pid 5072] <... clone3 resumed> => {parent_tid=[5074]}, 88) = 5074 [pid 5074] rseq(0x7f99e497efe0, 0x20, 0, 0x53053053 [pid 5072] rt_sigprocmask(SIG_SETMASK, [], [pid 5073] rename("./file1", "./bus" [pid 5074] <... rseq resumed>) = 0 [pid 5072] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5074] set_robust_list(0x7f99e497e9a0, 24 [pid 5073] <... rename resumed>) = 0 [pid 5072] futex(0x7f99ecdeb6b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] <... set_robust_list resumed>) = 0 [pid 5072] <... futex resumed>) = 0 [pid 5074] rt_sigprocmask(SIG_SETMASK, [], [pid 5072] futex(0x7f99ecdeb6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5074] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5073] rename("./file1", "./bus" [pid 5074] creat("./file1", 000) = 4 [pid 5074] creat("./file1", 000 [pid 5073] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5074] <... creat resumed>) = 5 [pid 5074] creat("./file1", 000 [pid 5073] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5073] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5074] <... creat resumed>) = 6 [pid 5073] rename("./file1", "./bus" [pid 5074] creat("./file1", 000 [pid 5073] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5073] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5073] rename("./file1", "./bus" [pid 5074] <... creat resumed>) = 7 [pid 5074] creat("./file1", 000 [pid 5073] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5073] rename("./file1", "./bus" [pid 5074] <... creat resumed>) = 8 [pid 5073] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5074] creat("./file1", 000 [pid 5073] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5073] rename("./file1", "./bus" [pid 5074] <... creat resumed>) = 9 [pid 5073] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5073] rename("./file1", "./bus" [pid 5074] creat("./file1", 000) = 10 [pid 5073] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5074] creat("./file1", 000 [pid 5073] rename("./file1", "./bus" [pid 5074] <... creat resumed>) = 11 [pid 5073] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5073] rename("./file1", "./bus" [pid 5074] creat("./file1", 000 [pid 5073] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5073] rename("./file1", "./bus" [pid 5074] <... creat resumed>) = 12 [pid 5073] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5074] creat("./file1", 000 [pid 5073] rename("./file1", "./bus" [pid 5074] <... creat resumed>) = 13 [pid 5073] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5074] creat("./file1", 000 [pid 5073] rename("./file1", "./bus" [pid 5074] <... creat resumed>) = 14 [pid 5073] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5074] creat("./file1", 000 [pid 5073] rename("./file1", "./bus" [pid 5074] <... creat resumed>) = 15 [pid 5073] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5074] creat("./file1", 000 [pid 5073] rename("./file1", "./bus" [pid 5074] <... creat resumed>) = 16 [pid 5073] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5074] creat("./file1", 000 [pid 5073] rename("./file1", "./bus" [pid 5074] <... creat resumed>) = 17 [pid 5073] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5074] creat("./file1", 000 [pid 5073] rename("./file1", "./bus" [pid 5074] <... creat resumed>) = 18 [pid 5073] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5074] creat("./file1", 000 [pid 5073] rename("./file1", "./bus" [pid 5074] <... creat resumed>) = 19 [pid 5074] creat("./file1", 000 [pid 5073] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5074] <... creat resumed>) = 20 [pid 5073] rename("./file1", "./bus" [pid 5074] creat("./file1", 000 [pid 5073] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5073] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5073] rename("./file1", "./bus" [pid 5074] <... creat resumed>) = 21 [pid 5073] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5074] creat("./file1", 000 [pid 5073] rename("./file1", "./bus" [pid 5074] <... creat resumed>) = 22 [pid 5073] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5073] rename("./file1", "./bus" [pid 5074] creat("./file1", 000 [pid 5073] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5073] rename("./file1", "./bus" [pid 5074] <... creat resumed>) = 23 [pid 5073] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5074] creat("./file1", 000 [pid 5073] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5074] <... creat resumed>) = 24 [pid 5073] rename("./file1", "./bus" [pid 5074] creat("./file1", 000 [pid 5073] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5073] rename("./file1", "./bus" [pid 5074] <... creat resumed>) = 25 [pid 5073] <... rename resumed>) = -1 ENOENT (No such file or directory) [ 50.540290][ T5073] loop0: detected capacity change from 0 to 1024 [pid 5073] rename("./file1", "./bus" [pid 5074] creat("./file1", 000 [pid 5073] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5073] rename("./file1", "./bus" [pid 5074] <... creat resumed>) = 26 [pid 5073] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5074] creat("./file1", 000 [pid 5073] rename("./file1", "./bus" [pid 5074] <... creat resumed>) = 27 [pid 5073] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5074] creat("./file1", 000 [pid 5073] rename("./file1", "./bus" [pid 5074] <... creat resumed>) = 28 [pid 5073] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5074] creat("./file1", 000 [pid 5073] rename("./file1", "./bus" [pid 5074] <... creat resumed>) = 29 [pid 5073] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5074] creat("./file1", 000 [pid 5073] rename("./file1", "./bus" [pid 5074] <... creat resumed>) = 30 [pid 5073] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5074] creat("./file1", 000 [pid 5073] rename("./file1", "./bus" [pid 5074] <... creat resumed>) = 31 [pid 5073] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5073] rename("./file1", "./bus" [pid 5074] creat("./file1", 000 [pid 5073] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5073] rename("./file1", "./bus" [pid 5074] <... creat resumed>) = 32 [pid 5073] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5074] creat("./file1", 000 [pid 5073] rename("./file1", "./bus" [pid 5074] <... creat resumed>) = 33 [pid 5073] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5074] creat("./file1", 000 [pid 5073] rename("./file1", "./bus" [pid 5074] <... creat resumed>) = 34 [pid 5073] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5074] creat("./file1", 000 [pid 5073] rename("./file1", "./bus" [pid 5074] <... creat resumed>) = 35 [pid 5073] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5074] creat("./file1", 000 [pid 5073] rename("./file1", "./bus" [pid 5074] <... creat resumed>) = 36 [pid 5073] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5074] creat("./file1", 000 [pid 5073] rename("./file1", "./bus" [pid 5074] <... creat resumed>) = 37 [pid 5073] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5074] creat("./file1", 000 [pid 5073] rename("./file1", "./bus" [pid 5074] <... creat resumed>) = 38 [pid 5073] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5074] creat("./file1", 000 [pid 5073] rename("./file1", "./bus" [pid 5074] <... creat resumed>) = 39 [pid 5073] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5074] creat("./file1", 000 [pid 5073] rename("./file1", "./bus" [pid 5074] <... creat resumed>) = 40 [pid 5073] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5074] creat("./file1", 000 [pid 5073] rename("./file1", "./bus" [pid 5074] <... creat resumed>) = 41 [pid 5073] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5074] creat("./file1", 000 [pid 5073] rename("./file1", "./bus" [pid 5074] <... creat resumed>) = 42 [pid 5073] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5074] creat("./file1", 000 [pid 5073] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5073] rename("./file1", "./bus" [pid 5074] <... creat resumed>) = 43 [pid 5073] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5073] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5073] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5073] rename("./file1", "./bus" [pid 5074] creat("./file1", 000 [pid 5073] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5073] rename("./file1", "./bus" [pid 5074] <... creat resumed>) = 44 [pid 5073] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5074] creat("./file1", 000 [pid 5073] rename("./file1", "./bus" [pid 5074] <... creat resumed>) = 45 [pid 5073] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5074] creat("./file1", 000 [pid 5073] rename("./file1", "./bus" [pid 5074] <... creat resumed>) = 46 [pid 5073] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5074] creat("./file1", 000 [pid 5073] rename("./file1", "./bus" [pid 5074] <... creat resumed>) = 47 [pid 5073] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5074] creat("./file1", 000 [pid 5073] rename("./file1", "./bus" [pid 5074] <... creat resumed>) = 48 [pid 5073] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5074] creat("./file1", 000 [pid 5073] rename("./file1", "./bus" [pid 5074] <... creat resumed>) = 49 [pid 5073] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5074] creat("./file1", 000 [pid 5073] rename("./file1", "./bus" [pid 5074] <... creat resumed>) = 50 [pid 5073] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5074] creat("./file1", 000 [pid 5073] rename("./file1", "./bus" [pid 5074] <... creat resumed>) = 51 [pid 5073] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5074] creat("./file1", 000 [pid 5073] rename("./file1", "./bus" [pid 5074] <... creat resumed>) = 52 [pid 5073] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5074] creat("./file1", 000 [pid 5073] rename("./file1", "./bus" [pid 5074] <... creat resumed>) = 53 [pid 5073] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5074] creat("./file1", 000 [pid 5073] rename("./file1", "./bus" [pid 5074] <... creat resumed>) = 54 [pid 5073] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5074] creat("./file1", 000 [pid 5073] futex(0x7f99ecdeb6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5073] <... futex resumed>) = 0 [pid 5073] futex(0x7f99ecdeb6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5074] <... creat resumed>) = 55 [pid 5074] creat("./file1", 000) = 56 [pid 5074] creat("./file1", 000) = 57 [pid 5074] creat("./file1", 000) = 58 [pid 5074] creat("./file1", 000) = 59 [pid 5074] creat("./file1", 000) = 60 [pid 5074] creat("./file1", 000) = 61 [pid 5074] creat("./file1", 000) = 62 [pid 5074] creat("./file1", 000) = 63 [pid 5074] creat("./file1", 000) = 64 [pid 5074] creat("./file1", 000) = 65 [pid 5074] creat("./file1", 000) = 66 [pid 5074] creat("./file1", 000) = 67 [pid 5074] creat("./file1", 000) = 68 [pid 5074] futex(0x7f99ecdeb6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5074] futex(0x7f99ecdeb6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5072] exit_group(0 [pid 5073] <... futex resumed>) = ? [pid 5074] <... futex resumed>) = ? [pid 5072] <... exit_group resumed>) = ? [pid 5073] +++ exited with 0 +++ [pid 5074] +++ exited with 0 +++ [pid 5072] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5072, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 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, 0x555556a5d730 /* 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, 0x555556a65770 /* 2 entries */, 32768) = 48 getdents64(4, 0x555556a65770 /* 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, 0x555556a5d730 /* 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, child_tidptr=0x555556a5c690) = 5075 ./strace-static-x86_64: Process 5075 attached [pid 5075] set_robust_list(0x555556a5c6a0, 24) = 0 [pid 5075] chdir("./18") = 0 [pid 5075] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5075] setpgid(0, 0) = 0 [pid 5075] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5075] write(3, "1000", 4) = 4 [pid 5075] close(3) = 0 [pid 5075] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5075] futex(0x7f99ecdeb6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5075] rt_sigaction(SIGRT_1, {sa_handler=0x7f99ecd88eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f99ecd7a060}, NULL, 8) = 0 [pid 5075] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5075] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f99eccff000 [pid 5075] mprotect(0x7f99ecd00000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5075] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5075] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f99ecd1f990, parent_tid=0x7f99ecd1f990, exit_signal=0, stack=0x7f99eccff000, stack_size=0x20300, tls=0x7f99ecd1f6c0} => {parent_tid=[5076]}, 88) = 5076 [pid 5075] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5075] futex(0x7f99ecdeb6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5075] futex(0x7f99ecdeb6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5076 attached [pid 5076] rseq(0x7f99ecd1ffe0, 0x20, 0, 0x53053053) = 0 [pid 5076] set_robust_list(0x7f99ecd1f9a0, 24) = 0 [pid 5076] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5076] memfd_create("syzkaller", 0) = 3 [pid 5076] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f99e48ff000 [pid 5076] 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 5076] munmap(0x7f99e48ff000, 524288) = 0 [pid 5076] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 50.642515][ T33] hfsplus: b-tree write err: -5, ino 8 [pid 5076] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5076] close(3) = 0 [pid 5076] mkdir("./bus", 0777) = 0 [pid 5076] mount("/dev/loop0", "./bus", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK, "") = 0 [pid 5076] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5076] chdir("./bus") = 0 [pid 5076] ioctl(4, LOOP_CLR_FD) = 0 [pid 5076] close(4) = 0 [pid 5076] futex(0x7f99ecdeb6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5075] <... futex resumed>) = 0 [pid 5076] <... futex resumed>) = 1 [pid 5075] futex(0x7f99ecdeb6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5075] futex(0x7f99ecdeb6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5075] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f99e495e000 [pid 5076] rename("./file1", "./bus" [pid 5075] mprotect(0x7f99e495f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5075] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5075] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f99e497e990, parent_tid=0x7f99e497e990, exit_signal=0, stack=0x7f99e495e000, stack_size=0x20300, tls=0x7f99e497e6c0} => {parent_tid=[5077]}, 88) = 5077 [pid 5075] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5075] futex(0x7f99ecdeb6b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5075] futex(0x7f99ecdeb6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5077 attached [pid 5077] rseq(0x7f99e497efe0, 0x20, 0, 0x53053053) = 0 [pid 5077] set_robust_list(0x7f99e497e9a0, 24) = 0 [pid 5077] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5077] creat("./file1", 000 [pid 5076] <... rename resumed>) = 0 [pid 5076] rename("./file1", "./bus" [pid 5077] <... creat resumed>) = 4 [pid 5077] creat("./file1", 000 [pid 5076] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5077] <... creat resumed>) = 5 [pid 5076] rename("./file1", "./bus" [pid 5077] creat("./file1", 000 [pid 5076] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5077] <... creat resumed>) = 6 [pid 5076] rename("./file1", "./bus" [pid 5077] creat("./file1", 000) = 7 [pid 5077] creat("./file1", 000 [pid 5076] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5077] <... creat resumed>) = 8 [pid 5076] rename("./file1", "./bus" [pid 5077] creat("./file1", 000) = 9 [pid 5076] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5077] creat("./file1", 000) = 10 [pid 5076] rename("./file1", "./bus" [pid 5077] creat("./file1", 000) = 11 [pid 5077] creat("./file1", 000) = 12 [pid 5077] creat("./file1", 000 [pid 5076] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5077] <... creat resumed>) = 13 [pid 5076] rename("./file1", "./bus" [pid 5077] creat("./file1", 000) = 14 [pid 5076] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5077] creat("./file1", 000 [pid 5076] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5077] <... creat resumed>) = 15 [pid 5077] creat("./file1", 000 [pid 5076] rename("./file1", "./bus" [pid 5077] <... creat resumed>) = 16 [pid 5076] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5077] creat("./file1", 000) = 17 [pid 5076] rename("./file1", "./bus" [pid 5077] creat("./file1", 000 [pid 5076] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5077] <... creat resumed>) = 18 [pid 5076] rename("./file1", "./bus" [pid 5077] creat("./file1", 000 [pid 5076] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5076] rename("./file1", "./bus" [pid 5077] <... creat resumed>) = 19 [pid 5076] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5076] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5076] rename("./file1", "./bus" [pid 5077] creat("./file1", 000) = 20 [pid 5076] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5076] rename("./file1", "./bus" [pid 5077] creat("./file1", 000 [pid 5076] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5077] <... creat resumed>) = 21 [pid 5076] rename("./file1", "./bus" [pid 5077] creat("./file1", 000) = 22 [pid 5076] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5076] rename("./file1", "./bus" [pid 5077] creat("./file1", 000 [pid 5076] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5076] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5076] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5076] rename("./file1", "./bus" [pid 5077] <... creat resumed>) = 23 [pid 5076] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5077] creat("./file1", 000 [pid 5076] rename("./file1", "./bus" [pid 5077] <... creat resumed>) = 24 [pid 5076] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5077] creat("./file1", 000 [pid 5076] rename("./file1", "./bus" [pid 5077] <... creat resumed>) = 25 [pid 5076] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5077] creat("./file1", 000 [pid 5076] rename("./file1", "./bus" [pid 5077] <... creat resumed>) = 26 [pid 5076] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5076] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5076] rename("./file1", "./bus" [pid 5077] creat("./file1", 000) = 27 [pid 5076] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5076] rename("./file1", "./bus" [pid 5077] creat("./file1", 000) = 28 [pid 5076] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5076] rename("./file1", "./bus" [pid 5077] creat("./file1", 000 [pid 5076] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5077] <... creat resumed>) = 29 [pid 5076] rename("./file1", "./bus" [pid 5077] creat("./file1", 000 [pid 5076] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5077] <... creat resumed>) = 30 [pid 5076] rename("./file1", "./bus" [pid 5077] creat("./file1", 000 [pid 5076] <... rename resumed>) = -1 ENOENT (No such file or directory) [ 50.684512][ T5076] loop0: detected capacity change from 0 to 1024 [pid 5076] rename("./file1", "./bus" [pid 5077] <... creat resumed>) = 31 [pid 5076] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5077] creat("./file1", 000 [pid 5076] rename("./file1", "./bus" [pid 5077] <... creat resumed>) = 32 [pid 5076] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5076] rename("./file1", "./bus" [pid 5077] creat("./file1", 000 [pid 5076] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5077] <... creat resumed>) = 33 [pid 5076] rename("./file1", "./bus" [pid 5077] creat("./file1", 000 [pid 5076] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5076] rename("./file1", "./bus" [pid 5077] <... creat resumed>) = 34 [pid 5076] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5077] creat("./file1", 000 [pid 5076] rename("./file1", "./bus" [pid 5077] <... creat resumed>) = 35 [pid 5076] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5076] rename("./file1", "./bus" [pid 5077] creat("./file1", 000 [pid 5076] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5077] <... creat resumed>) = 36 [pid 5076] rename("./file1", "./bus" [pid 5077] creat("./file1", 000 [pid 5076] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5077] <... creat resumed>) = 37 [pid 5077] creat("./file1", 000 [pid 5076] rename("./file1", "./bus" [pid 5077] <... creat resumed>) = 38 [pid 5077] creat("./file1", 000 [pid 5076] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5077] <... creat resumed>) = 39 [pid 5077] creat("./file1", 000 [pid 5076] rename("./file1", "./bus" [pid 5077] <... creat resumed>) = 40 [pid 5077] creat("./file1", 000 [pid 5076] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5077] <... creat resumed>) = 41 [pid 5077] creat("./file1", 000 [pid 5076] rename("./file1", "./bus" [pid 5077] <... creat resumed>) = 42 [pid 5077] creat("./file1", 000 [pid 5076] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5076] rename("./file1", "./bus" [pid 5077] <... creat resumed>) = 43 [pid 5076] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5076] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5076] rename("./file1", "./bus" [pid 5077] creat("./file1", 000 [pid 5076] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5077] <... creat resumed>) = 44 [pid 5076] rename("./file1", "./bus" [pid 5077] creat("./file1", 000 [pid 5076] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5077] <... creat resumed>) = 45 [pid 5076] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5076] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5076] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5075] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5076] rename("./file1", "./bus" [pid 5075] futex(0x7f99ecdeb6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 5076] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5075] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5076] rename("./file1", "./bus" [pid 5077] creat("./file1", 000 [pid 5076] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5076] rename("./file1", "./bus" [pid 5077] <... creat resumed>) = 46 [pid 5077] creat("./file1", 000 [pid 5076] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5076] rename("./file1", "./bus" [pid 5077] <... creat resumed>) = 47 [pid 5076] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5077] creat("./file1", 000 [pid 5076] rename("./file1", "./bus" [pid 5077] <... creat resumed>) = 48 [pid 5076] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5077] creat("./file1", 000 [pid 5076] rename("./file1", "./bus" [pid 5077] <... creat resumed>) = 49 [pid 5076] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5077] creat("./file1", 000 [pid 5076] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5076] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5076] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5076] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5076] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5076] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5076] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5076] rename("./file1", "./bus" [pid 5077] <... creat resumed>) = 50 [pid 5076] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5076] rename("./file1", "./bus" [pid 5077] creat("./file1", 000 [pid 5076] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5076] rename("./file1", "./bus" [pid 5077] <... creat resumed>) = 51 [pid 5076] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5077] creat("./file1", 000 [pid 5076] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5077] <... creat resumed>) = 52 [pid 5076] rename("./file1", "./bus" [pid 5077] creat("./file1", 000 [pid 5076] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5076] futex(0x7f99ecdeb6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] <... creat resumed>) = 53 [pid 5076] <... futex resumed>) = 0 [pid 5076] futex(0x7f99ecdeb6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5077] creat("./file1", 000) = 54 [pid 5077] creat("./file1", 000) = 55 [pid 5077] creat("./file1", 000) = 56 [pid 5077] creat("./file1", 000) = 57 [pid 5077] creat("./file1", 000) = 58 [pid 5077] creat("./file1", 000) = 59 [pid 5077] creat("./file1", 000) = 60 [pid 5077] creat("./file1", 000) = 61 [pid 5077] creat("./file1", 000) = 62 [pid 5077] creat("./file1", 000) = 63 [pid 5077] creat("./file1", 000) = 64 [pid 5077] creat("./file1", 000) = 65 [pid 5077] creat("./file1", 000) = 66 [pid 5077] creat("./file1", 000) = 67 [pid 5077] creat("./file1", 000) = 68 [pid 5077] futex(0x7f99ecdeb6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5075] exit_group(0 [pid 5077] <... futex resumed>) = ? [pid 5076] <... futex resumed>) = ? [pid 5075] <... exit_group resumed>) = ? [pid 5077] +++ exited with 0 +++ [pid 5076] +++ exited with 0 +++ [pid 5075] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5075, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- 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, 0x555556a5d730 /* 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, 0x555556a65770 /* 2 entries */, 32768) = 48 getdents64(4, 0x555556a65770 /* 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, 0x555556a5d730 /* 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, child_tidptr=0x555556a5c690) = 5078 ./strace-static-x86_64: Process 5078 attached [pid 5078] set_robust_list(0x555556a5c6a0, 24) = 0 [pid 5078] chdir("./19") = 0 [pid 5078] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5078] setpgid(0, 0) = 0 [pid 5078] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5078] write(3, "1000", 4) = 4 [pid 5078] close(3) = 0 [pid 5078] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5078] futex(0x7f99ecdeb6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5078] rt_sigaction(SIGRT_1, {sa_handler=0x7f99ecd88eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f99ecd7a060}, NULL, 8) = 0 [pid 5078] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5078] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f99eccff000 [pid 5078] mprotect(0x7f99ecd00000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5078] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5078] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f99ecd1f990, parent_tid=0x7f99ecd1f990, exit_signal=0, stack=0x7f99eccff000, stack_size=0x20300, tls=0x7f99ecd1f6c0} => {parent_tid=[5079]}, 88) = 5079 ./strace-static-x86_64: Process 5079 attached [pid 5079] rseq(0x7f99ecd1ffe0, 0x20, 0, 0x53053053 [pid 5078] rt_sigprocmask(SIG_SETMASK, [], [pid 5079] <... rseq resumed>) = 0 [pid 5079] set_robust_list(0x7f99ecd1f9a0, 24) = 0 [pid 5079] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5078] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5079] futex(0x7f99ecdeb6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5078] futex(0x7f99ecdeb6a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5079] <... futex resumed>) = 0 [pid 5079] memfd_create("syzkaller", 0 [pid 5078] futex(0x7f99ecdeb6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5079] <... memfd_create resumed>) = 3 [pid 5079] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f99e48ff000 [pid 5079] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288) = 524288 [ 50.793452][ T33] hfsplus: b-tree write err: -5, ino 8 [pid 5079] munmap(0x7f99e48ff000, 524288) = 0 [pid 5079] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5079] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5079] close(3) = 0 [pid 5079] mkdir("./bus", 0777) = 0 [pid 5079] mount("/dev/loop0", "./bus", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK, "") = 0 [pid 5079] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5079] chdir("./bus") = 0 [pid 5079] ioctl(4, LOOP_CLR_FD) = 0 [pid 5079] close(4) = 0 [pid 5079] futex(0x7f99ecdeb6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] <... futex resumed>) = 0 [pid 5078] futex(0x7f99ecdeb6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5079] <... futex resumed>) = 1 [pid 5078] futex(0x7f99ecdeb6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5078] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5079] rename("./file1", "./bus" [pid 5078] <... mmap resumed>) = 0x7f99e495e000 [pid 5078] mprotect(0x7f99e495f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5078] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5078] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f99e497e990, parent_tid=0x7f99e497e990, exit_signal=0, stack=0x7f99e495e000, stack_size=0x20300, tls=0x7f99e497e6c0} => {parent_tid=[5080]}, 88) = 5080 [pid 5078] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5078] futex(0x7f99ecdeb6b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 5080 attached [pid 5078] futex(0x7f99ecdeb6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5080] rseq(0x7f99e497efe0, 0x20, 0, 0x53053053) = 0 [pid 5080] set_robust_list(0x7f99e497e9a0, 24) = 0 [pid 5080] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5079] <... rename resumed>) = 0 [pid 5080] creat("./file1", 000 [pid 5079] rename("./file1", "./bus" [pid 5080] <... creat resumed>) = 4 [pid 5080] creat("./file1", 000 [pid 5079] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5079] rename("./file1", "./bus" [pid 5080] <... creat resumed>) = 5 [pid 5080] creat("./file1", 000 [pid 5079] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5080] <... creat resumed>) = 6 [pid 5080] creat("./file1", 000) = 7 [pid 5079] rename("./file1", "./bus" [pid 5080] creat("./file1", 000) = 8 [pid 5079] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5080] creat("./file1", 000 [pid 5079] rename("./file1", "./bus" [pid 5080] <... creat resumed>) = 9 [pid 5079] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5080] creat("./file1", 000) = 10 [pid 5079] rename("./file1", "./bus" [pid 5080] creat("./file1", 000) = 11 [pid 5079] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5080] creat("./file1", 000 [pid 5079] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5079] rename("./file1", "./bus" [pid 5080] <... creat resumed>) = 12 [pid 5079] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5080] creat("./file1", 000 [pid 5079] rename("./file1", "./bus" [pid 5080] <... creat resumed>) = 13 [pid 5080] creat("./file1", 000 [pid 5079] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5080] <... creat resumed>) = 14 [pid 5079] rename("./file1", "./bus" [pid 5080] creat("./file1", 000) = 15 [pid 5079] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5080] creat("./file1", 000 [pid 5079] rename("./file1", "./bus" [pid 5080] <... creat resumed>) = 16 [pid 5080] creat("./file1", 000 [pid 5079] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5080] <... creat resumed>) = 17 [pid 5079] rename("./file1", "./bus" [pid 5080] creat("./file1", 000) = 18 [pid 5079] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5080] creat("./file1", 000 [pid 5079] rename("./file1", "./bus" [pid 5080] <... creat resumed>) = 19 [pid 5079] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5080] creat("./file1", 000 [pid 5079] rename("./file1", "./bus" [pid 5080] <... creat resumed>) = 20 [ 50.855865][ T5079] loop0: detected capacity change from 0 to 1024 [pid 5079] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5080] creat("./file1", 000 [pid 5079] rename("./file1", "./bus" [pid 5080] <... creat resumed>) = 21 [pid 5079] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5079] rename("./file1", "./bus" [pid 5080] creat("./file1", 000 [pid 5079] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5080] <... creat resumed>) = 22 [pid 5079] rename("./file1", "./bus" [pid 5080] creat("./file1", 000) = 23 [pid 5079] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5079] rename("./file1", "./bus" [pid 5080] creat("./file1", 000) = 24 [pid 5079] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5080] creat("./file1", 000 [pid 5079] rename("./file1", "./bus" [pid 5080] <... creat resumed>) = 25 [pid 5080] creat("./file1", 000 [pid 5079] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5080] <... creat resumed>) = 26 [pid 5080] creat("./file1", 000 [pid 5079] rename("./file1", "./bus" [pid 5080] <... creat resumed>) = 27 [pid 5080] creat("./file1", 000 [pid 5079] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5080] <... creat resumed>) = 28 [pid 5080] creat("./file1", 000 [pid 5079] rename("./file1", "./bus" [pid 5080] <... creat resumed>) = 29 [pid 5080] creat("./file1", 000 [pid 5079] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5080] <... creat resumed>) = 30 [pid 5079] rename("./file1", "./bus" [pid 5080] creat("./file1", 000 [pid 5079] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5080] <... creat resumed>) = 31 [pid 5080] creat("./file1", 000 [pid 5079] rename("./file1", "./bus" [pid 5080] <... creat resumed>) = 32 [pid 5080] creat("./file1", 000 [pid 5079] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5080] <... creat resumed>) = 33 [pid 5079] rename("./file1", "./bus" [pid 5080] creat("./file1", 000 [pid 5079] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5080] <... creat resumed>) = 34 [pid 5080] creat("./file1", 000 [pid 5079] rename("./file1", "./bus" [pid 5080] <... creat resumed>) = 35 [pid 5080] creat("./file1", 000 [pid 5079] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5080] <... creat resumed>) = 36 [pid 5080] creat("./file1", 000 [pid 5079] rename("./file1", "./bus" [pid 5080] <... creat resumed>) = 37 [pid 5080] creat("./file1", 000 [pid 5079] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5080] <... creat resumed>) = 38 [pid 5080] creat("./file1", 000 [pid 5079] rename("./file1", "./bus" [pid 5080] <... creat resumed>) = 39 [pid 5080] creat("./file1", 000 [pid 5079] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5080] <... creat resumed>) = 40 [pid 5080] creat("./file1", 000 [pid 5079] rename("./file1", "./bus" [pid 5080] <... creat resumed>) = 41 [pid 5080] creat("./file1", 000 [pid 5079] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5080] <... creat resumed>) = 42 [pid 5080] creat("./file1", 000 [pid 5079] rename("./file1", "./bus" [pid 5080] <... creat resumed>) = 43 [pid 5080] creat("./file1", 000) = 44 [pid 5079] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5080] creat("./file1", 000) = 45 [pid 5079] rename("./file1", "./bus" [pid 5080] creat("./file1", 000) = 46 [pid 5079] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5078] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5080] creat("./file1", 000 [pid 5079] rename("./file1", "./bus" [pid 5078] futex(0x7f99ecdeb6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 5080] <... creat resumed>) = 47 [pid 5079] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5078] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5080] creat("./file1", 000 [pid 5079] rename("./file1", "./bus" [pid 5080] <... creat resumed>) = 48 [pid 5079] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5080] creat("./file1", 000) = 49 [pid 5079] rename("./file1", "./bus" [pid 5080] creat("./file1", 000) = 50 [pid 5079] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5080] creat("./file1", 000) = 51 [pid 5079] rename("./file1", "./bus" [pid 5080] creat("./file1", 000) = 52 [pid 5079] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5080] creat("./file1", 000 [pid 5079] rename("./file1", "./bus" [pid 5080] <... creat resumed>) = 53 [pid 5080] creat("./file1", 000 [pid 5079] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5080] <... creat resumed>) = 54 [pid 5079] rename("./file1", "./bus" [pid 5080] creat("./file1", 000 [pid 5079] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5080] <... creat resumed>) = 55 [pid 5080] creat("./file1", 000 [pid 5079] rename("./file1", "./bus" [pid 5080] <... creat resumed>) = 56 [pid 5080] creat("./file1", 000 [pid 5079] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5080] <... creat resumed>) = 57 [pid 5079] rename("./file1", "./bus" [pid 5080] creat("./file1", 000) = 58 [pid 5079] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5080] creat("./file1", 000 [pid 5079] rename("./file1", "./bus" [pid 5080] <... creat resumed>) = 59 [pid 5080] creat("./file1", 000 [pid 5079] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5080] <... creat resumed>) = 60 [pid 5080] creat("./file1", 000 [pid 5079] rename("./file1", "./bus" [pid 5080] <... creat resumed>) = 61 [pid 5079] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5080] creat("./file1", 000) = 62 [pid 5079] rename("./file1", "./bus" [pid 5080] creat("./file1", 000) = 63 [pid 5079] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5080] creat("./file1", 000 [pid 5079] rename("./file1", "./bus" [pid 5080] <... creat resumed>) = 64 [pid 5080] creat("./file1", 000) = 65 [pid 5079] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5080] creat("./file1", 000) = 66 [pid 5079] rename("./file1", "./bus" [pid 5080] creat("./file1", 000) = 67 [pid 5080] creat("./file1", 000 [pid 5079] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5080] <... creat resumed>) = 68 [pid 5080] futex(0x7f99ecdeb6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] rename("./file1", "./bus" [pid 5080] <... futex resumed>) = 0 [pid 5080] futex(0x7f99ecdeb6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5079] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5079] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5079] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5079] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5079] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5079] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5079] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5079] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5079] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5079] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5079] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5079] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5079] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5079] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5079] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5079] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5079] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5079] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5079] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5079] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5079] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5079] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5079] futex(0x7f99ecdeb6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5079] futex(0x7f99ecdeb6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5078] exit_group(0 [pid 5080] <... futex resumed>) = ? [pid 5079] <... futex resumed>) = ? [pid 5078] <... exit_group resumed>) = ? [pid 5080] +++ exited with 0 +++ [pid 5079] +++ exited with 0 +++ [pid 5078] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5078, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 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, 0x555556a5d730 /* 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, 0x555556a65770 /* 2 entries */, 32768) = 48 getdents64(4, 0x555556a65770 /* 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, 0x555556a5d730 /* 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./strace-static-x86_64: Process 5081 attached [pid 5081] set_robust_list(0x555556a5c6a0, 24 [pid 5019] <... clone resumed>, child_tidptr=0x555556a5c690) = 5081 [pid 5081] <... set_robust_list resumed>) = 0 [pid 5081] chdir("./20") = 0 [pid 5081] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5081] setpgid(0, 0) = 0 [pid 5081] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5081] write(3, "1000", 4) = 4 [pid 5081] close(3) = 0 [pid 5081] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5081] futex(0x7f99ecdeb6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5081] rt_sigaction(SIGRT_1, {sa_handler=0x7f99ecd88eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f99ecd7a060}, NULL, 8) = 0 [pid 5081] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5081] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f99eccff000 [pid 5081] mprotect(0x7f99ecd00000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5081] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5081] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f99ecd1f990, parent_tid=0x7f99ecd1f990, exit_signal=0, stack=0x7f99eccff000, stack_size=0x20300, tls=0x7f99ecd1f6c0} => {parent_tid=[5082]}, 88) = 5082 [pid 5081] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5081] futex(0x7f99ecdeb6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5081] futex(0x7f99ecdeb6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5082 attached [pid 5082] rseq(0x7f99ecd1ffe0, 0x20, 0, 0x53053053) = 0 [pid 5082] set_robust_list(0x7f99ecd1f9a0, 24) = 0 [pid 5082] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5082] memfd_create("syzkaller", 0) = 3 [pid 5082] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f99e48ff000 [pid 5082] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288) = 524288 [pid 5082] munmap(0x7f99e48ff000, 524288) = 0 [pid 5082] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 50.986627][ T12] hfsplus: b-tree write err: -5, ino 8 [pid 5082] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5082] close(3) = 0 [pid 5082] mkdir("./bus", 0777) = 0 [pid 5082] mount("/dev/loop0", "./bus", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK, "") = 0 [pid 5082] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5082] chdir("./bus") = 0 [pid 5082] ioctl(4, LOOP_CLR_FD) = 0 [pid 5082] close(4) = 0 [pid 5082] futex(0x7f99ecdeb6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] <... futex resumed>) = 0 [pid 5081] futex(0x7f99ecdeb6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5082] <... futex resumed>) = 1 [pid 5081] futex(0x7f99ecdeb6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] rename("./file1", "./bus" [pid 5081] <... futex resumed>) = 0 [pid 5082] <... rename resumed>) = 0 [pid 5081] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f99e495e000 [pid 5082] rename("./file1", "./bus" [pid 5081] mprotect(0x7f99e495f000, 131072, PROT_READ|PROT_WRITE [pid 5082] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5081] <... mprotect resumed>) = 0 [pid 5082] rename("./file1", "./bus" [pid 5081] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5082] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5081] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5082] rename("./file1", "./bus" [pid 5081] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f99e497e990, parent_tid=0x7f99e497e990, exit_signal=0, stack=0x7f99e495e000, stack_size=0x20300, tls=0x7f99e497e6c0}./strace-static-x86_64: Process 5083 attached [pid 5082] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5083] rseq(0x7f99e497efe0, 0x20, 0, 0x53053053 [pid 5082] rename("./file1", "./bus" [pid 5081] <... clone3 resumed> => {parent_tid=[5083]}, 88) = 5083 [pid 5082] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5081] rt_sigprocmask(SIG_SETMASK, [], [pid 5082] rename("./file1", "./bus" [pid 5081] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5082] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5081] futex(0x7f99ecdeb6b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] rename("./file1", "./bus" [pid 5081] <... futex resumed>) = 0 [pid 5082] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5081] futex(0x7f99ecdeb6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5082] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5082] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5082] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5082] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5082] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5082] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5082] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5082] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5082] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5082] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5082] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5082] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5082] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5082] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5082] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5082] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5082] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5082] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5083] <... rseq resumed>) = 0 [pid 5082] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5083] set_robust_list(0x7f99e497e9a0, 24 [pid 5082] rename("./file1", "./bus" [pid 5083] <... set_robust_list resumed>) = 0 [pid 5082] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5082] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5082] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5082] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5083] rt_sigprocmask(SIG_SETMASK, [], [pid 5082] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5083] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5082] rename("./file1", "./bus" [pid 5083] creat("./file1", 000 [pid 5082] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5082] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5082] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5082] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5082] rename("./file1", "./bus" [pid 5083] <... creat resumed>) = 4 [pid 5083] creat("./file1", 000 [pid 5082] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5082] rename("./file1", "./bus" [pid 5083] <... creat resumed>) = 5 [pid 5082] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5082] rename("./file1", "./bus" [pid 5083] creat("./file1", 000 [pid 5082] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5082] rename("./file1", "./bus" [pid 5083] <... creat resumed>) = 6 [pid 5082] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5083] creat("./file1", 000 [pid 5082] rename("./file1", "./bus" [pid 5083] <... creat resumed>) = 7 [pid 5082] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5083] creat("./file1", 000 [pid 5082] rename("./file1", "./bus" [pid 5083] <... creat resumed>) = 8 [pid 5082] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5082] rename("./file1", "./bus" [pid 5083] creat("./file1", 000 [pid 5082] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5082] rename("./file1", "./bus" [pid 5083] <... creat resumed>) = 9 [pid 5082] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5083] creat("./file1", 000 [pid 5082] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5082] rename("./file1", "./bus" [pid 5083] <... creat resumed>) = 10 [pid 5082] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5083] creat("./file1", 000 [pid 5082] rename("./file1", "./bus" [pid 5083] <... creat resumed>) = 11 [pid 5082] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5083] creat("./file1", 000 [pid 5082] rename("./file1", "./bus" [pid 5083] <... creat resumed>) = 12 [pid 5082] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5083] creat("./file1", 000 [pid 5082] rename("./file1", "./bus" [pid 5083] <... creat resumed>) = 13 [pid 5082] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5083] creat("./file1", 000 [pid 5082] rename("./file1", "./bus" [pid 5083] <... creat resumed>) = 14 [pid 5082] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5083] creat("./file1", 000 [pid 5082] rename("./file1", "./bus" [pid 5083] <... creat resumed>) = 15 [pid 5082] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5083] creat("./file1", 000 [pid 5082] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5083] <... creat resumed>) = 16 [pid 5082] rename("./file1", "./bus" [pid 5083] creat("./file1", 000 [pid 5082] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5082] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5083] <... creat resumed>) = 17 [pid 5082] rename("./file1", "./bus" [pid 5083] creat("./file1", 000 [pid 5082] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5082] rename("./file1", "./bus" [pid 5083] <... creat resumed>) = 18 [pid 5082] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5083] creat("./file1", 000 [pid 5082] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5082] rename("./file1", "./bus" [pid 5083] <... creat resumed>) = 19 [pid 5082] <... rename resumed>) = -1 ENOENT (No such file or directory) [ 51.044223][ T5082] loop0: detected capacity change from 0 to 1024 [pid 5083] creat("./file1", 000 [pid 5082] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5082] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5082] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5082] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5083] <... creat resumed>) = 20 [pid 5082] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5082] rename("./file1", "./bus" [pid 5083] creat("./file1", 000 [pid 5082] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5082] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5082] rename("./file1", "./bus" [pid 5083] <... creat resumed>) = 21 [pid 5082] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5082] futex(0x7f99ecdeb6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5082] futex(0x7f99ecdeb6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5083] creat("./file1", 000) = 22 [pid 5083] creat("./file1", 000) = 23 [pid 5083] creat("./file1", 000) = 24 [pid 5083] creat("./file1", 000) = 25 [pid 5083] creat("./file1", 000) = 26 [pid 5083] creat("./file1", 000) = 27 [pid 5083] creat("./file1", 000) = 28 [pid 5083] creat("./file1", 000) = 29 [pid 5083] creat("./file1", 000) = 30 [pid 5083] creat("./file1", 000) = 31 [pid 5083] creat("./file1", 000) = 32 [pid 5083] creat("./file1", 000) = 33 [pid 5083] creat("./file1", 000) = 34 [pid 5083] creat("./file1", 000) = 35 [pid 5083] creat("./file1", 000) = 36 [pid 5083] creat("./file1", 000) = 37 [pid 5083] creat("./file1", 000) = 38 [pid 5083] creat("./file1", 000) = 39 [pid 5083] creat("./file1", 000) = 40 [pid 5083] creat("./file1", 000) = 41 [pid 5083] creat("./file1", 000) = 42 [pid 5083] creat("./file1", 000) = 43 [pid 5083] creat("./file1", 000) = 44 [pid 5083] creat("./file1", 000) = 45 [pid 5083] creat("./file1", 000) = 46 [pid 5083] creat("./file1", 000) = 47 [pid 5083] creat("./file1", 000) = 48 [pid 5083] creat("./file1", 000) = 49 [pid 5083] creat("./file1", 000) = 50 [pid 5083] creat("./file1", 000) = 51 [pid 5083] creat("./file1", 000) = 52 [pid 5083] creat("./file1", 000) = 53 [pid 5081] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5083] creat("./file1", 000) = 54 [pid 5083] creat("./file1", 000) = 55 [pid 5083] creat("./file1", 000) = 56 [pid 5083] creat("./file1", 000) = 57 [pid 5083] creat("./file1", 000) = 58 [pid 5083] creat("./file1", 000) = 59 [pid 5083] creat("./file1", 000) = 60 [pid 5083] creat("./file1", 000) = 61 [pid 5083] creat("./file1", 000) = 62 [pid 5083] creat("./file1", 000) = 63 [pid 5083] creat("./file1", 000) = 64 [pid 5083] creat("./file1", 000) = 65 [pid 5083] creat("./file1", 000) = 66 [pid 5083] creat("./file1", 000) = 67 [pid 5083] creat("./file1", 000) = 68 [pid 5083] futex(0x7f99ecdeb6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5083] futex(0x7f99ecdeb6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5081] exit_group(0 [pid 5082] <... futex resumed>) = ? [pid 5083] <... futex resumed>) = ? [pid 5081] <... exit_group resumed>) = ? [pid 5082] +++ exited with 0 +++ [pid 5083] +++ exited with 0 +++ [pid 5081] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5081, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 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, 0x555556a5d730 /* 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, 0x555556a65770 /* 2 entries */, 32768) = 48 getdents64(4, 0x555556a65770 /* 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, 0x555556a5d730 /* 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=0x555556a5c690) = 5084 ./strace-static-x86_64: Process 5084 attached [pid 5084] set_robust_list(0x555556a5c6a0, 24) = 0 [pid 5084] chdir("./21") = 0 [pid 5084] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5084] setpgid(0, 0) = 0 [pid 5084] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5084] write(3, "1000", 4) = 4 [pid 5084] close(3) = 0 [pid 5084] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5084] futex(0x7f99ecdeb6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5084] rt_sigaction(SIGRT_1, {sa_handler=0x7f99ecd88eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f99ecd7a060}, NULL, 8) = 0 [pid 5084] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5084] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f99eccff000 [pid 5084] mprotect(0x7f99ecd00000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5084] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5084] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f99ecd1f990, parent_tid=0x7f99ecd1f990, exit_signal=0, stack=0x7f99eccff000, stack_size=0x20300, tls=0x7f99ecd1f6c0} => {parent_tid=[5085]}, 88) = 5085 ./strace-static-x86_64: Process 5085 attached [pid 5084] rt_sigprocmask(SIG_SETMASK, [], [pid 5085] rseq(0x7f99ecd1ffe0, 0x20, 0, 0x53053053 [pid 5084] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5085] <... rseq resumed>) = 0 [pid 5085] set_robust_list(0x7f99ecd1f9a0, 24) = 0 [pid 5085] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5085] futex(0x7f99ecdeb6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5084] futex(0x7f99ecdeb6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5085] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5084] <... futex resumed>) = 0 [pid 5084] futex(0x7f99ecdeb6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5085] memfd_create("syzkaller", 0) = 3 [pid 5085] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f99e48ff000 [pid 5085] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288) = 524288 [pid 5085] munmap(0x7f99e48ff000, 524288) = 0 [pid 5085] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 51.149682][ T12] hfsplus: b-tree write err: -5, ino 8 [pid 5085] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5085] close(3) = 0 [pid 5085] mkdir("./bus", 0777) = 0 [pid 5085] mount("/dev/loop0", "./bus", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK, "") = 0 [pid 5085] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5085] chdir("./bus") = 0 [pid 5085] ioctl(4, LOOP_CLR_FD) = 0 [pid 5085] close(4) = 0 [pid 5085] futex(0x7f99ecdeb6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5084] <... futex resumed>) = 0 [pid 5084] futex(0x7f99ecdeb6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5084] futex(0x7f99ecdeb6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5085] <... futex resumed>) = 1 [pid 5084] <... futex resumed>) = 0 [pid 5085] rename("./file1", "./bus" [pid 5084] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f99e495e000 [pid 5084] mprotect(0x7f99e495f000, 131072, PROT_READ|PROT_WRITE [pid 5085] <... rename resumed>) = 0 [pid 5084] <... mprotect resumed>) = 0 [pid 5085] rename("./file1", "./bus" [pid 5084] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5085] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5084] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5085] rename("./file1", "./bus" [pid 5084] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f99e497e990, parent_tid=0x7f99e497e990, exit_signal=0, stack=0x7f99e495e000, stack_size=0x20300, tls=0x7f99e497e6c0} [pid 5085] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5085] rename("./file1", "./bus" [pid 5084] <... clone3 resumed> => {parent_tid=[5086]}, 88) = 5086 ./strace-static-x86_64: Process 5086 attached [pid 5085] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5085] rename("./file1", "./bus" [pid 5086] rseq(0x7f99e497efe0, 0x20, 0, 0x53053053 [pid 5084] rt_sigprocmask(SIG_SETMASK, [], [pid 5085] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5084] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5085] rename("./file1", "./bus" [pid 5084] futex(0x7f99ecdeb6b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5085] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5084] <... futex resumed>) = 0 [pid 5086] <... rseq resumed>) = 0 [pid 5084] futex(0x7f99ecdeb6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5085] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5085] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5085] rename("./file1", "./bus" [pid 5086] set_robust_list(0x7f99e497e9a0, 24) = 0 [pid 5085] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5085] rename("./file1", "./bus" [pid 5086] rt_sigprocmask(SIG_SETMASK, [], [pid 5085] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5085] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5086] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5085] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5085] rename("./file1", "./bus" [pid 5086] creat("./file1", 000 [pid 5085] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5085] rename("./file1", "./bus" [pid 5086] <... creat resumed>) = 4 [pid 5086] creat("./file1", 000 [pid 5085] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5086] <... creat resumed>) = 5 [pid 5085] rename("./file1", "./bus" [pid 5086] creat("./file1", 000 [pid 5085] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5085] rename("./file1", "./bus" [pid 5086] <... creat resumed>) = 6 [pid 5085] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5085] rename("./file1", "./bus" [pid 5086] creat("./file1", 000 [pid 5085] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5085] rename("./file1", "./bus" [pid 5086] <... creat resumed>) = 7 [pid 5085] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5085] rename("./file1", "./bus" [pid 5086] creat("./file1", 000 [pid 5085] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5085] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5085] rename("./file1", "./bus" [pid 5086] <... creat resumed>) = 8 [pid 5085] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5085] rename("./file1", "./bus" [pid 5086] creat("./file1", 000 [pid 5085] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5085] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5085] rename("./file1", "./bus" [pid 5086] <... creat resumed>) = 9 [pid 5085] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5086] creat("./file1", 000 [pid 5085] rename("./file1", "./bus" [pid 5086] <... creat resumed>) = 10 [pid 5085] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5085] rename("./file1", "./bus" [pid 5086] creat("./file1", 000 [pid 5085] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5085] rename("./file1", "./bus" [pid 5086] <... creat resumed>) = 11 [pid 5085] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5086] creat("./file1", 000 [pid 5085] rename("./file1", "./bus" [pid 5086] <... creat resumed>) = 12 [pid 5085] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5086] creat("./file1", 000 [pid 5085] rename("./file1", "./bus" [pid 5086] <... creat resumed>) = 13 [pid 5085] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5086] creat("./file1", 000 [pid 5085] rename("./file1", "./bus" [pid 5086] <... creat resumed>) = 14 [pid 5085] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5086] creat("./file1", 000 [pid 5085] rename("./file1", "./bus" [pid 5086] <... creat resumed>) = 15 [pid 5085] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5086] creat("./file1", 000 [pid 5085] rename("./file1", "./bus" [pid 5086] <... creat resumed>) = 16 [pid 5085] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5086] creat("./file1", 000 [pid 5085] rename("./file1", "./bus" [pid 5086] <... creat resumed>) = 17 [pid 5085] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5086] creat("./file1", 000 [pid 5085] rename("./file1", "./bus" [pid 5086] <... creat resumed>) = 18 [pid 5085] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5086] creat("./file1", 000 [pid 5085] rename("./file1", "./bus" [pid 5086] <... creat resumed>) = 19 [pid 5085] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5086] creat("./file1", 000 [pid 5085] rename("./file1", "./bus" [pid 5086] <... creat resumed>) = 20 [pid 5085] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5085] rename("./file1", "./bus" [pid 5086] creat("./file1", 000 [pid 5085] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5085] rename("./file1", "./bus" [pid 5086] <... creat resumed>) = 21 [pid 5085] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5086] creat("./file1", 000 [pid 5085] rename("./file1", "./bus" [pid 5086] <... creat resumed>) = 22 [pid 5085] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5086] creat("./file1", 000 [pid 5085] rename("./file1", "./bus" [pid 5086] <... creat resumed>) = 23 [pid 5085] <... rename resumed>) = -1 ENOENT (No such file or directory) [ 51.198914][ T5085] loop0: detected capacity change from 0 to 1024 [pid 5086] creat("./file1", 000 [pid 5085] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5086] <... creat resumed>) = 24 [pid 5085] rename("./file1", "./bus" [pid 5086] creat("./file1", 000 [pid 5085] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5085] rename("./file1", "./bus" [pid 5086] <... creat resumed>) = 25 [pid 5085] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5086] creat("./file1", 000 [pid 5085] rename("./file1", "./bus" [pid 5086] <... creat resumed>) = 26 [pid 5085] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5086] creat("./file1", 000 [pid 5085] rename("./file1", "./bus" [pid 5086] <... creat resumed>) = 27 [pid 5085] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5086] creat("./file1", 000 [pid 5085] rename("./file1", "./bus" [pid 5086] <... creat resumed>) = 28 [pid 5085] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5086] creat("./file1", 000 [pid 5085] rename("./file1", "./bus" [pid 5086] <... creat resumed>) = 29 [pid 5085] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5086] creat("./file1", 000 [pid 5085] rename("./file1", "./bus" [pid 5086] <... creat resumed>) = 30 [pid 5085] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5086] creat("./file1", 000 [pid 5085] rename("./file1", "./bus" [pid 5086] <... creat resumed>) = 31 [pid 5085] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5086] creat("./file1", 000 [pid 5085] rename("./file1", "./bus" [pid 5086] <... creat resumed>) = 32 [pid 5085] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5086] creat("./file1", 000 [pid 5085] rename("./file1", "./bus" [pid 5086] <... creat resumed>) = 33 [pid 5085] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5086] creat("./file1", 000 [pid 5085] rename("./file1", "./bus" [pid 5086] <... creat resumed>) = 34 [pid 5085] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5086] creat("./file1", 000 [pid 5085] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5085] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5085] rename("./file1", "./bus" [pid 5086] <... creat resumed>) = 35 [pid 5085] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5085] rename("./file1", "./bus" [pid 5086] creat("./file1", 000 [pid 5085] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5085] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5085] rename("./file1", "./bus" [pid 5086] <... creat resumed>) = 36 [pid 5085] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5086] creat("./file1", 000 [pid 5085] rename("./file1", "./bus" [pid 5086] <... creat resumed>) = 37 [pid 5085] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5086] creat("./file1", 000 [pid 5085] rename("./file1", "./bus" [pid 5086] <... creat resumed>) = 38 [pid 5085] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5086] creat("./file1", 000 [pid 5085] rename("./file1", "./bus" [pid 5086] <... creat resumed>) = 39 [pid 5085] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5086] creat("./file1", 000 [pid 5085] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5085] rename("./file1", "./bus" [pid 5086] <... creat resumed>) = 40 [pid 5085] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5086] creat("./file1", 000 [pid 5085] rename("./file1", "./bus" [pid 5086] <... creat resumed>) = 41 [pid 5085] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5086] creat("./file1", 000 [pid 5085] rename("./file1", "./bus" [pid 5086] <... creat resumed>) = 42 [pid 5085] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5085] futex(0x7f99ecdeb6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5086] creat("./file1", 000 [pid 5085] <... futex resumed>) = 0 [pid 5085] futex(0x7f99ecdeb6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5086] <... creat resumed>) = 43 [pid 5086] creat("./file1", 000) = 44 [pid 5086] creat("./file1", 000) = 45 [pid 5086] creat("./file1", 000) = 46 [pid 5086] creat("./file1", 000) = 47 [pid 5086] creat("./file1", 000) = 48 [pid 5086] creat("./file1", 000) = 49 [pid 5086] creat("./file1", 000) = 50 [pid 5086] creat("./file1", 000) = 51 [pid 5086] creat("./file1", 000) = 52 [pid 5086] creat("./file1", 000) = 53 [pid 5086] creat("./file1", 000 [pid 5084] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5084] futex(0x7f99ecdeb6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 5086] <... creat resumed>) = 54 [pid 5084] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5086] creat("./file1", 000) = 55 [pid 5086] creat("./file1", 000) = 56 [pid 5086] creat("./file1", 000) = 57 [pid 5086] creat("./file1", 000) = 58 [pid 5086] creat("./file1", 000) = 59 [pid 5086] creat("./file1", 000) = 60 [pid 5086] creat("./file1", 000) = 61 [pid 5086] creat("./file1", 000) = 62 [pid 5086] creat("./file1", 000) = 63 [pid 5086] creat("./file1", 000) = 64 [pid 5086] creat("./file1", 000) = 65 [pid 5086] creat("./file1", 000) = 66 [pid 5086] creat("./file1", 000) = 67 [pid 5086] creat("./file1", 000) = 68 [pid 5086] futex(0x7f99ecdeb6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5086] futex(0x7f99ecdeb6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5084] exit_group(0 [pid 5086] <... futex resumed>) = ? [pid 5085] <... futex resumed>) = ? [pid 5084] <... exit_group resumed>) = ? [pid 5085] +++ exited with 0 +++ [pid 5086] +++ exited with 0 +++ [pid 5084] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5084, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 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, 0x555556a5d730 /* 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, 0x555556a65770 /* 2 entries */, 32768) = 48 getdents64(4, 0x555556a65770 /* 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, 0x555556a5d730 /* 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=0x555556a5c690) = 5087 ./strace-static-x86_64: Process 5087 attached [pid 5087] set_robust_list(0x555556a5c6a0, 24) = 0 [pid 5087] chdir("./22") = 0 [pid 5087] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5087] setpgid(0, 0) = 0 [pid 5087] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5087] write(3, "1000", 4) = 4 [pid 5087] close(3) = 0 [pid 5087] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5087] futex(0x7f99ecdeb6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5087] rt_sigaction(SIGRT_1, {sa_handler=0x7f99ecd88eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f99ecd7a060}, NULL, 8) = 0 [pid 5087] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5087] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f99eccff000 [pid 5087] mprotect(0x7f99ecd00000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5087] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5087] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f99ecd1f990, parent_tid=0x7f99ecd1f990, exit_signal=0, stack=0x7f99eccff000, stack_size=0x20300, tls=0x7f99ecd1f6c0}./strace-static-x86_64: Process 5088 attached => {parent_tid=[5088]}, 88) = 5088 [pid 5088] rseq(0x7f99ecd1ffe0, 0x20, 0, 0x53053053 [pid 5087] rt_sigprocmask(SIG_SETMASK, [], [pid 5088] <... rseq resumed>) = 0 [pid 5087] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5088] set_robust_list(0x7f99ecd1f9a0, 24 [pid 5087] futex(0x7f99ecdeb6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5088] <... set_robust_list resumed>) = 0 [pid 5087] <... futex resumed>) = 0 [pid 5088] rt_sigprocmask(SIG_SETMASK, [], [pid 5087] futex(0x7f99ecdeb6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5088] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5088] memfd_create("syzkaller", 0) = 3 [pid 5088] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f99e48ff000 [pid 5088] 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 5088] munmap(0x7f99e48ff000, 524288) = 0 [pid 5088] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 51.302421][ T12] hfsplus: b-tree write err: -5, ino 8 [pid 5088] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5088] close(3) = 0 [pid 5088] mkdir("./bus", 0777) = 0 [pid 5088] mount("/dev/loop0", "./bus", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK, "") = 0 [pid 5088] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5088] chdir("./bus") = 0 [pid 5088] ioctl(4, LOOP_CLR_FD) = 0 [pid 5088] close(4) = 0 [pid 5088] futex(0x7f99ecdeb6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5087] <... futex resumed>) = 0 [pid 5088] futex(0x7f99ecdeb6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5087] futex(0x7f99ecdeb6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5088] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5087] futex(0x7f99ecdeb6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5088] rename("./file1", "./bus" [pid 5087] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f99e495e000 [pid 5087] mprotect(0x7f99e495f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5087] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5087] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f99e497e990, parent_tid=0x7f99e497e990, exit_signal=0, stack=0x7f99e495e000, stack_size=0x20300, tls=0x7f99e497e6c0} => {parent_tid=[5089]}, 88) = 5089 [pid 5087] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5087] futex(0x7f99ecdeb6b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5087] futex(0x7f99ecdeb6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5089 attached [pid 5089] rseq(0x7f99e497efe0, 0x20, 0, 0x53053053) = 0 [pid 5089] set_robust_list(0x7f99e497e9a0, 24) = 0 [pid 5089] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5089] creat("./file1", 000 [pid 5088] <... rename resumed>) = 0 [pid 5089] <... creat resumed>) = 4 [pid 5089] creat("./file1", 000 [pid 5088] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5089] <... creat resumed>) = 5 [pid 5089] creat("./file1", 000) = 6 [pid 5089] creat("./file1", 000) = 7 [pid 5089] creat("./file1", 000 [pid 5088] rename("./file1", "./bus" [pid 5089] <... creat resumed>) = 8 [pid 5089] creat("./file1", 000) = 9 [pid 5089] creat("./file1", 000) = 10 [pid 5088] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5089] creat("./file1", 000 [pid 5088] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5088] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5089] <... creat resumed>) = 11 [pid 5088] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5089] creat("./file1", 000 [pid 5088] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5088] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5088] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5088] rename("./file1", "./bus" [pid 5089] <... creat resumed>) = 12 [pid 5088] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5088] rename("./file1", "./bus" [pid 5089] creat("./file1", 000 [pid 5088] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5088] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5088] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5088] rename("./file1", "./bus" [pid 5089] <... creat resumed>) = 13 [pid 5089] creat("./file1", 000 [pid 5088] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5088] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5088] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5089] <... creat resumed>) = 14 [pid 5089] creat("./file1", 000 [pid 5088] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5088] rename("./file1", "./bus" [pid 5089] <... creat resumed>) = 15 [pid 5088] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5088] rename("./file1", "./bus" [pid 5089] creat("./file1", 000 [pid 5088] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5088] rename("./file1", "./bus" [pid 5089] <... creat resumed>) = 16 [pid 5088] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5088] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5088] rename("./file1", "./bus" [pid 5089] creat("./file1", 000 [pid 5088] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5088] rename("./file1", "./bus" [pid 5089] <... creat resumed>) = 17 [pid 5088] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5089] creat("./file1", 000 [pid 5088] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5088] rename("./file1", "./bus" [pid 5089] <... creat resumed>) = 18 [pid 5089] creat("./file1", 000) = 19 [pid 5088] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5089] creat("./file1", 000 [pid 5088] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5088] rename("./file1", "./bus" [pid 5089] <... creat resumed>) = 20 [pid 5089] creat("./file1", 000 [pid 5088] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5088] rename("./file1", "./bus" [pid 5089] <... creat resumed>) = 21 [pid 5088] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5089] creat("./file1", 000 [pid 5088] rename("./file1", "./bus" [pid 5089] <... creat resumed>) = 22 [pid 5088] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5089] creat("./file1", 000 [pid 5088] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5088] rename("./file1", "./bus" [pid 5089] <... creat resumed>) = 23 [pid 5088] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5089] creat("./file1", 000 [pid 5088] rename("./file1", "./bus" [pid 5089] <... creat resumed>) = 24 [pid 5088] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5089] creat("./file1", 000 [pid 5088] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5088] rename("./file1", "./bus" [pid 5089] <... creat resumed>) = 25 [pid 5088] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5089] creat("./file1", 000 [pid 5088] rename("./file1", "./bus" [pid 5089] <... creat resumed>) = 26 [pid 5088] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5089] creat("./file1", 000 [pid 5088] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5089] <... creat resumed>) = 27 [pid 5088] rename("./file1", "./bus" [pid 5089] creat("./file1", 000 [pid 5088] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5088] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5088] rename("./file1", "./bus" [pid 5089] <... creat resumed>) = 28 [pid 5088] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5089] creat("./file1", 000 [pid 5088] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5088] rename("./file1", "./bus" [pid 5089] <... creat resumed>) = 29 [pid 5088] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5088] rename("./file1", "./bus" [pid 5089] creat("./file1", 000 [pid 5088] <... rename resumed>) = -1 ENOENT (No such file or directory) [ 51.357474][ T5088] loop0: detected capacity change from 0 to 1024 [pid 5088] rename("./file1", "./bus" [pid 5089] <... creat resumed>) = 30 [pid 5088] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5089] creat("./file1", 000 [pid 5088] rename("./file1", "./bus" [pid 5089] <... creat resumed>) = 31 [pid 5088] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5089] creat("./file1", 000 [pid 5088] rename("./file1", "./bus" [pid 5089] <... creat resumed>) = 32 [pid 5088] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5089] creat("./file1", 000 [pid 5088] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5088] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5088] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5088] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5088] rename("./file1", "./bus" [pid 5089] <... creat resumed>) = 33 [pid 5088] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5089] creat("./file1", 000 [pid 5088] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5088] rename("./file1", "./bus" [pid 5089] <... creat resumed>) = 34 [pid 5088] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5089] creat("./file1", 000 [pid 5088] rename("./file1", "./bus" [pid 5089] <... creat resumed>) = 35 [pid 5088] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5088] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5088] rename("./file1", "./bus" [pid 5089] creat("./file1", 000 [pid 5088] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5088] rename("./file1", "./bus" [pid 5089] <... creat resumed>) = 36 [pid 5088] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5089] creat("./file1", 000 [pid 5088] rename("./file1", "./bus" [pid 5089] <... creat resumed>) = 37 [pid 5088] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5089] creat("./file1", 000 [pid 5088] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5088] rename("./file1", "./bus" [pid 5089] <... creat resumed>) = 38 [pid 5088] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5089] creat("./file1", 000 [pid 5088] rename("./file1", "./bus" [pid 5089] <... creat resumed>) = 39 [pid 5088] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5089] creat("./file1", 000 [pid 5088] rename("./file1", "./bus" [pid 5089] <... creat resumed>) = 40 [pid 5088] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5089] creat("./file1", 000 [pid 5088] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5089] <... creat resumed>) = 41 [pid 5088] rename("./file1", "./bus" [pid 5089] creat("./file1", 000 [pid 5088] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5088] rename("./file1", "./bus" [pid 5089] <... creat resumed>) = 42 [pid 5088] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5089] creat("./file1", 000 [pid 5088] rename("./file1", "./bus" [pid 5089] <... creat resumed>) = 43 [pid 5088] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5089] creat("./file1", 000 [pid 5088] futex(0x7f99ecdeb6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5088] futex(0x7f99ecdeb6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5089] <... creat resumed>) = 44 [pid 5089] creat("./file1", 000) = 45 [pid 5089] creat("./file1", 000) = 46 [pid 5089] creat("./file1", 000) = 47 [pid 5089] creat("./file1", 000) = 48 [pid 5089] creat("./file1", 000) = 49 [pid 5089] creat("./file1", 000) = 50 [pid 5089] creat("./file1", 000) = 51 [pid 5089] creat("./file1", 000) = 52 [pid 5089] creat("./file1", 000) = 53 [pid 5089] creat("./file1", 000) = 54 [pid 5089] creat("./file1", 000) = 55 [pid 5089] creat("./file1", 000) = 56 [pid 5087] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5089] creat("./file1", 000) = 57 [pid 5089] creat("./file1", 000) = 58 [pid 5089] creat("./file1", 000) = 59 [pid 5089] creat("./file1", 000) = 60 [pid 5089] creat("./file1", 000) = 61 [pid 5089] creat("./file1", 000) = 62 [pid 5089] creat("./file1", 000) = 63 [pid 5089] creat("./file1", 000) = 64 [pid 5089] creat("./file1", 000) = 65 [pid 5089] creat("./file1", 000) = 66 [pid 5089] creat("./file1", 000) = 67 [pid 5089] creat("./file1", 000) = 68 [pid 5089] futex(0x7f99ecdeb6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5089] futex(0x7f99ecdeb6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5087] exit_group(0) = ? [pid 5088] <... futex resumed>) = ? [pid 5089] <... futex resumed>) = ? [pid 5088] +++ exited with 0 +++ [pid 5089] +++ exited with 0 +++ [pid 5087] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5087, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 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, 0x555556a5d730 /* 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, 0x555556a65770 /* 2 entries */, 32768) = 48 getdents64(4, 0x555556a65770 /* 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, 0x555556a5d730 /* 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./strace-static-x86_64: Process 5090 attached , child_tidptr=0x555556a5c690) = 5090 [pid 5090] set_robust_list(0x555556a5c6a0, 24) = 0 [pid 5090] chdir("./23") = 0 [pid 5090] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5090] setpgid(0, 0) = 0 [pid 5090] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5090] write(3, "1000", 4) = 4 [pid 5090] close(3) = 0 [pid 5090] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5090] futex(0x7f99ecdeb6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5090] rt_sigaction(SIGRT_1, {sa_handler=0x7f99ecd88eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f99ecd7a060}, NULL, 8) = 0 [pid 5090] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5090] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f99eccff000 [pid 5090] mprotect(0x7f99ecd00000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5090] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5090] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f99ecd1f990, parent_tid=0x7f99ecd1f990, exit_signal=0, stack=0x7f99eccff000, stack_size=0x20300, tls=0x7f99ecd1f6c0}./strace-static-x86_64: Process 5091 attached => {parent_tid=[5091]}, 88) = 5091 [pid 5091] rseq(0x7f99ecd1ffe0, 0x20, 0, 0x53053053 [pid 5090] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5091] <... rseq resumed>) = 0 [pid 5090] futex(0x7f99ecdeb6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5091] set_robust_list(0x7f99ecd1f9a0, 24 [pid 5090] <... futex resumed>) = 0 [pid 5090] futex(0x7f99ecdeb6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5091] <... set_robust_list resumed>) = 0 [pid 5091] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5091] memfd_create("syzkaller", 0) = 3 [ 51.453442][ T33] hfsplus: b-tree write err: -5, ino 8 [pid 5091] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f99e48ff000 [pid 5091] 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 5091] munmap(0x7f99e48ff000, 524288) = 0 [pid 5091] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5091] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5091] close(3) = 0 [pid 5091] mkdir("./bus", 0777) = 0 [pid 5091] mount("/dev/loop0", "./bus", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK, "") = 0 [pid 5091] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5091] chdir("./bus") = 0 [pid 5091] ioctl(4, LOOP_CLR_FD) = 0 [pid 5091] close(4) = 0 [pid 5091] futex(0x7f99ecdeb6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5091] futex(0x7f99ecdeb6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5090] <... futex resumed>) = 0 [pid 5090] futex(0x7f99ecdeb6a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5091] <... futex resumed>) = 0 [pid 5091] rename("./file1", "./bus") = 0 [pid 5091] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5091] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5091] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5091] rename("./file1", "./bus" [pid 5090] futex(0x7f99ecdeb6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5091] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5090] <... futex resumed>) = 0 [pid 5091] rename("./file1", "./bus" [pid 5090] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5091] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5091] rename("./file1", "./bus" [pid 5090] <... mmap resumed>) = 0x7f99e495e000 [pid 5091] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5091] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5091] rename("./file1", "./bus" [pid 5090] mprotect(0x7f99e495f000, 131072, PROT_READ|PROT_WRITE [pid 5091] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5091] rename("./file1", "./bus" [pid 5090] <... mprotect resumed>) = 0 [pid 5091] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5090] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5091] rename("./file1", "./bus" [pid 5090] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5091] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5090] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f99e497e990, parent_tid=0x7f99e497e990, exit_signal=0, stack=0x7f99e495e000, stack_size=0x20300, tls=0x7f99e497e6c0} [pid 5091] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5091] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5090] <... clone3 resumed> => {parent_tid=[5092]}, 88) = 5092 [pid 5091] rename("./file1", "./bus" [pid 5090] rt_sigprocmask(SIG_SETMASK, [], [pid 5091] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5090] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5091] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5091] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5091] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5090] futex(0x7f99ecdeb6b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5091] rename("./file1", "./bus" [pid 5090] <... futex resumed>) = 0 [pid 5091] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5091] rename("./file1", "./bus" [pid 5090] futex(0x7f99ecdeb6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5091] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5091] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5091] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5091] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5091] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5091] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5091] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5091] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5091] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5091] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5091] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5091] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5091] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5091] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5091] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5091] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5091] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5091] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5091] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5091] rename("./file1", "./bus"./strace-static-x86_64: Process 5092 attached ) = -1 ENOENT (No such file or directory) [pid 5092] rseq(0x7f99e497efe0, 0x20, 0, 0x53053053 [pid 5091] rename("./file1", "./bus" [pid 5092] <... rseq resumed>) = 0 [pid 5091] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5092] set_robust_list(0x7f99e497e9a0, 24 [pid 5091] rename("./file1", "./bus" [pid 5092] <... set_robust_list resumed>) = 0 [pid 5091] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5092] rt_sigprocmask(SIG_SETMASK, [], [pid 5091] rename("./file1", "./bus" [pid 5092] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5091] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5091] rename("./file1", "./bus" [pid 5092] creat("./file1", 000 [pid 5091] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5091] rename("./file1", "./bus" [pid 5092] <... creat resumed>) = 4 [pid 5092] creat("./file1", 000) = 5 [pid 5091] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5092] creat("./file1", 000 [pid 5091] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5091] rename("./file1", "./bus" [pid 5092] <... creat resumed>) = 6 [pid 5091] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5092] creat("./file1", 000 [pid 5091] rename("./file1", "./bus" [pid 5092] <... creat resumed>) = 7 [pid 5091] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5092] creat("./file1", 000 [pid 5091] rename("./file1", "./bus" [pid 5092] <... creat resumed>) = 8 [pid 5091] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5091] rename("./file1", "./bus" [pid 5092] creat("./file1", 000) = 9 [pid 5091] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5091] rename("./file1", "./bus" [pid 5092] creat("./file1", 000) = 10 [pid 5091] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5092] creat("./file1", 000 [pid 5091] rename("./file1", "./bus" [pid 5092] <... creat resumed>) = 11 [pid 5092] creat("./file1", 000 [pid 5091] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5092] <... creat resumed>) = 12 [pid 5092] creat("./file1", 000 [pid 5091] rename("./file1", "./bus" [pid 5092] <... creat resumed>) = 13 [pid 5092] creat("./file1", 000) = 14 [pid 5091] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5092] creat("./file1", 000 [pid 5091] rename("./file1", "./bus" [pid 5092] <... creat resumed>) = 15 [pid 5092] creat("./file1", 000) = 16 [pid 5091] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5092] creat("./file1", 000) = 17 [pid 5091] rename("./file1", "./bus" [pid 5092] creat("./file1", 000) = 18 [pid 5091] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5092] creat("./file1", 000 [pid 5091] rename("./file1", "./bus" [pid 5092] <... creat resumed>) = 19 [pid 5092] creat("./file1", 000) = 20 [pid 5091] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5092] creat("./file1", 000) = 21 [pid 5091] rename("./file1", "./bus" [pid 5092] creat("./file1", 000) = 22 [pid 5091] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5092] creat("./file1", 000) = 23 [pid 5091] rename("./file1", "./bus" [pid 5092] creat("./file1", 000) = 24 [pid 5091] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5092] creat("./file1", 000 [ 51.523377][ T5091] loop0: detected capacity change from 0 to 1024 [pid 5091] rename("./file1", "./bus" [pid 5092] <... creat resumed>) = 25 [pid 5091] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5091] rename("./file1", "./bus" [pid 5092] creat("./file1", 000) = 26 [pid 5091] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5092] creat("./file1", 000) = 27 [pid 5091] rename("./file1", "./bus" [pid 5092] creat("./file1", 000) = 28 [pid 5091] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5091] rename("./file1", "./bus" [pid 5092] creat("./file1", 000) = 29 [pid 5091] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5092] creat("./file1", 000) = 30 [pid 5091] rename("./file1", "./bus" [pid 5092] creat("./file1", 000) = 31 [pid 5091] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5092] creat("./file1", 000 [pid 5091] rename("./file1", "./bus" [pid 5092] <... creat resumed>) = 32 [pid 5092] creat("./file1", 000) = 33 [pid 5091] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5092] creat("./file1", 000) = 34 [pid 5091] rename("./file1", "./bus" [pid 5092] creat("./file1", 000) = 35 [pid 5091] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5092] creat("./file1", 000 [pid 5091] rename("./file1", "./bus" [pid 5092] <... creat resumed>) = 36 [pid 5092] creat("./file1", 000) = 37 [pid 5091] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5092] creat("./file1", 000 [pid 5091] rename("./file1", "./bus" [pid 5092] <... creat resumed>) = 38 [pid 5092] creat("./file1", 000) = 39 [pid 5091] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5092] creat("./file1", 000 [pid 5091] futex(0x7f99ecdeb6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5092] <... creat resumed>) = 40 [pid 5091] <... futex resumed>) = 0 [pid 5092] creat("./file1", 000 [pid 5091] futex(0x7f99ecdeb6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5092] <... creat resumed>) = 41 [pid 5092] creat("./file1", 000) = 42 [pid 5092] creat("./file1", 000) = 43 [pid 5092] creat("./file1", 000) = 44 [pid 5092] creat("./file1", 000) = 45 [pid 5092] creat("./file1", 000) = 46 [pid 5092] creat("./file1", 000) = 47 [pid 5092] creat("./file1", 000) = 48 [pid 5092] creat("./file1", 000) = 49 [pid 5092] creat("./file1", 000) = 50 [pid 5092] creat("./file1", 000) = 51 [pid 5092] creat("./file1", 000) = 52 [pid 5090] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5092] creat("./file1", 000) = 53 [pid 5092] creat("./file1", 000) = 54 [pid 5092] creat("./file1", 000) = 55 [pid 5092] creat("./file1", 000) = 56 [pid 5092] creat("./file1", 000) = 57 [pid 5092] creat("./file1", 000) = 58 [pid 5092] creat("./file1", 000) = 59 [pid 5092] creat("./file1", 000) = 60 [pid 5092] creat("./file1", 000) = 61 [pid 5092] creat("./file1", 000) = 62 [pid 5092] creat("./file1", 000) = 63 [pid 5092] creat("./file1", 000) = 64 [pid 5092] creat("./file1", 000) = 65 [pid 5092] creat("./file1", 000) = 66 [pid 5092] creat("./file1", 000) = 67 [pid 5092] creat("./file1", 000) = 68 [pid 5092] futex(0x7f99ecdeb6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5090] exit_group(0 [pid 5091] <... futex resumed>) = ? [pid 5090] <... exit_group resumed>) = ? [pid 5092] +++ exited with 0 +++ [pid 5091] +++ exited with 0 +++ [pid 5090] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5090, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 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, 0x555556a5d730 /* 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, 0x555556a65770 /* 2 entries */, 32768) = 48 getdents64(4, 0x555556a65770 /* 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, 0x555556a5d730 /* 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, child_tidptr=0x555556a5c690) = 5093 ./strace-static-x86_64: Process 5093 attached [pid 5093] set_robust_list(0x555556a5c6a0, 24) = 0 [pid 5093] chdir("./24") = 0 [pid 5093] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5093] setpgid(0, 0) = 0 [pid 5093] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5093] write(3, "1000", 4) = 4 [pid 5093] close(3) = 0 [pid 5093] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5093] futex(0x7f99ecdeb6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5093] rt_sigaction(SIGRT_1, {sa_handler=0x7f99ecd88eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f99ecd7a060}, NULL, 8) = 0 [pid 5093] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5093] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f99eccff000 [pid 5093] mprotect(0x7f99ecd00000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5093] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5093] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f99ecd1f990, parent_tid=0x7f99ecd1f990, exit_signal=0, stack=0x7f99eccff000, stack_size=0x20300, tls=0x7f99ecd1f6c0} => {parent_tid=[5094]}, 88) = 5094 [pid 5093] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5093] futex(0x7f99ecdeb6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5093] futex(0x7f99ecdeb6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5094 attached [pid 5094] rseq(0x7f99ecd1ffe0, 0x20, 0, 0x53053053) = 0 [pid 5094] set_robust_list(0x7f99ecd1f9a0, 24) = 0 [pid 5094] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5094] memfd_create("syzkaller", 0) = 3 [pid 5094] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f99e48ff000 [pid 5094] 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 5094] munmap(0x7f99e48ff000, 524288) = 0 [pid 5094] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5094] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5094] close(3) = 0 [pid 5094] mkdir("./bus", 0777) = 0 [pid 5094] mount("/dev/loop0", "./bus", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK, "") = 0 [pid 5094] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5094] chdir("./bus") = 0 [pid 5094] ioctl(4, LOOP_CLR_FD) = 0 [pid 5094] close(4) = 0 [pid 5094] futex(0x7f99ecdeb6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5094] futex(0x7f99ecdeb6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5093] <... futex resumed>) = 0 [pid 5093] futex(0x7f99ecdeb6a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5094] <... futex resumed>) = 0 [pid 5093] futex(0x7f99ecdeb6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5094] rename("./file1", "./bus" [pid 5093] <... futex resumed>) = 0 [pid 5093] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f99e495e000 [pid 5093] mprotect(0x7f99e495f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5093] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5093] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f99e497e990, parent_tid=0x7f99e497e990, exit_signal=0, stack=0x7f99e495e000, stack_size=0x20300, tls=0x7f99e497e6c0} [pid 5094] <... rename resumed>) = 0 [pid 5094] rename("./file1", "./bus" [pid 5093] <... clone3 resumed> => {parent_tid=[5095]}, 88) = 5095 [pid 5093] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5093] futex(0x7f99ecdeb6b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5093] futex(0x7f99ecdeb6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5094] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5094] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5094] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5094] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5094] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5094] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5094] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5094] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5094] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5094] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5094] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5094] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5094] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5094] rename("./file1", "./bus"./strace-static-x86_64: Process 5095 attached ) = -1 ENOENT (No such file or directory) [pid 5094] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5094] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5094] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5094] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5094] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5094] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5094] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5094] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5095] rseq(0x7f99e497efe0, 0x20, 0, 0x53053053 [pid 5094] rename("./file1", "./bus" [pid 5095] <... rseq resumed>) = 0 [pid 5095] set_robust_list(0x7f99e497e9a0, 24 [pid 5094] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5094] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5094] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5094] rename("./file1", "./bus" [pid 5095] <... set_robust_list resumed>) = 0 [pid 5094] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5095] rt_sigprocmask(SIG_SETMASK, [], [pid 5094] rename("./file1", "./bus" [pid 5095] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5094] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5094] rename("./file1", "./bus" [pid 5095] creat("./file1", 000 [pid 5094] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5094] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5094] rename("./file1", "./bus" [pid 5095] <... creat resumed>) = 4 [pid 5095] creat("./file1", 000 [pid 5094] <... rename resumed>) = -1 ENOENT (No such file or directory) [ 51.618736][ T33] hfsplus: b-tree write err: -5, ino 8 [ 51.657242][ T5094] loop0: detected capacity change from 0 to 1024 [pid 5094] rename("./file1", "./bus" [pid 5095] <... creat resumed>) = 5 [pid 5094] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5095] creat("./file1", 000 [pid 5094] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5094] rename("./file1", "./bus" [pid 5095] <... creat resumed>) = 6 [pid 5095] creat("./file1", 000 [pid 5094] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5094] rename("./file1", "./bus" [pid 5095] <... creat resumed>) = 7 [pid 5094] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5094] rename("./file1", "./bus" [pid 5095] creat("./file1", 000 [pid 5094] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5094] rename("./file1", "./bus" [pid 5095] <... creat resumed>) = 8 [pid 5094] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5095] creat("./file1", 000 [pid 5094] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5094] rename("./file1", "./bus" [pid 5095] <... creat resumed>) = 9 [pid 5095] creat("./file1", 000 [pid 5094] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5094] rename("./file1", "./bus" [pid 5095] <... creat resumed>) = 10 [pid 5095] creat("./file1", 000 [pid 5094] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5094] rename("./file1", "./bus" [pid 5095] <... creat resumed>) = 11 [pid 5095] creat("./file1", 000) = 12 [pid 5094] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5094] rename("./file1", "./bus" [pid 5095] creat("./file1", 000 [pid 5094] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5094] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5094] rename("./file1", "./bus" [pid 5095] <... creat resumed>) = 13 [pid 5094] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5095] creat("./file1", 000 [pid 5094] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5094] rename("./file1", "./bus" [pid 5095] <... creat resumed>) = 14 [pid 5094] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5094] rename("./file1", "./bus" [pid 5095] creat("./file1", 000 [pid 5094] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5094] rename("./file1", "./bus" [pid 5095] <... creat resumed>) = 15 [pid 5094] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5094] rename("./file1", "./bus" [pid 5095] creat("./file1", 000 [pid 5094] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5094] rename("./file1", "./bus" [pid 5095] <... creat resumed>) = 16 [pid 5094] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5095] creat("./file1", 000 [pid 5094] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5094] rename("./file1", "./bus" [pid 5095] <... creat resumed>) = 17 [pid 5095] creat("./file1", 000 [pid 5094] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5095] <... creat resumed>) = 18 [pid 5095] creat("./file1", 000 [pid 5094] rename("./file1", "./bus" [pid 5095] <... creat resumed>) = 19 [pid 5094] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5095] creat("./file1", 000 [pid 5094] rename("./file1", "./bus" [pid 5095] <... creat resumed>) = 20 [pid 5094] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5095] creat("./file1", 000 [pid 5094] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5094] rename("./file1", "./bus" [pid 5095] <... creat resumed>) = 21 [pid 5094] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5095] creat("./file1", 000 [pid 5094] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5094] rename("./file1", "./bus" [pid 5095] <... creat resumed>) = 22 [pid 5094] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5095] creat("./file1", 000 [pid 5094] rename("./file1", "./bus" [pid 5095] <... creat resumed>) = 23 [pid 5094] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5095] creat("./file1", 000 [pid 5094] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5094] rename("./file1", "./bus" [pid 5095] <... creat resumed>) = 24 [pid 5094] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5095] creat("./file1", 000 [pid 5094] rename("./file1", "./bus" [pid 5095] <... creat resumed>) = 25 [pid 5094] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5095] creat("./file1", 000 [pid 5094] rename("./file1", "./bus" [pid 5095] <... creat resumed>) = 26 [pid 5094] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5095] creat("./file1", 000 [pid 5094] rename("./file1", "./bus" [pid 5095] <... creat resumed>) = 27 [pid 5094] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5095] creat("./file1", 000 [pid 5094] rename("./file1", "./bus" [pid 5095] <... creat resumed>) = 28 [pid 5094] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5095] creat("./file1", 000 [pid 5094] futex(0x7f99ecdeb6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5094] futex(0x7f99ecdeb6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5095] <... creat resumed>) = 29 [pid 5095] creat("./file1", 000) = 30 [pid 5095] creat("./file1", 000) = 31 [pid 5095] creat("./file1", 000) = 32 [pid 5095] creat("./file1", 000) = 33 [pid 5095] creat("./file1", 000) = 34 [pid 5095] creat("./file1", 000) = 35 [pid 5095] creat("./file1", 000) = 36 [pid 5095] creat("./file1", 000) = 37 [pid 5095] creat("./file1", 000) = 38 [pid 5095] creat("./file1", 000) = 39 [pid 5093] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5095] creat("./file1", 000) = 40 [pid 5095] creat("./file1", 000) = 41 [pid 5095] creat("./file1", 000) = 42 [pid 5095] creat("./file1", 000) = 43 [pid 5095] creat("./file1", 000) = 44 [pid 5095] creat("./file1", 000) = 45 [pid 5095] creat("./file1", 000) = 46 [pid 5095] creat("./file1", 000) = 47 [pid 5095] creat("./file1", 000) = 48 [pid 5095] creat("./file1", 000) = 49 [pid 5095] creat("./file1", 000) = 50 [pid 5095] creat("./file1", 000) = 51 [pid 5095] creat("./file1", 000) = 52 [pid 5095] creat("./file1", 000) = 53 [pid 5095] creat("./file1", 000) = 54 [pid 5095] creat("./file1", 000) = 55 [pid 5095] creat("./file1", 000) = 56 [pid 5095] creat("./file1", 000) = 57 [pid 5095] creat("./file1", 000) = 58 [pid 5095] creat("./file1", 000) = 59 [pid 5095] creat("./file1", 000) = 60 [pid 5095] creat("./file1", 000) = 61 [pid 5095] creat("./file1", 000) = 62 [pid 5095] creat("./file1", 000) = 63 [pid 5095] creat("./file1", 000) = 64 [pid 5095] creat("./file1", 000) = 65 [pid 5095] creat("./file1", 000) = 66 [pid 5095] creat("./file1", 000) = 67 [pid 5095] creat("./file1", 000) = 68 [pid 5095] futex(0x7f99ecdeb6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5095] futex(0x7f99ecdeb6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5093] exit_group(0) = ? [pid 5094] <... futex resumed>) = ? [pid 5094] +++ exited with 0 +++ [pid 5095] <... futex resumed>) = ? [pid 5095] +++ exited with 0 +++ [pid 5093] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5093, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 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, 0x555556a5d730 /* 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, 0x555556a65770 /* 2 entries */, 32768) = 48 getdents64(4, 0x555556a65770 /* 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, 0x555556a5d730 /* 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=0x555556a5c690) = 5096 ./strace-static-x86_64: Process 5096 attached [pid 5096] set_robust_list(0x555556a5c6a0, 24) = 0 [pid 5096] chdir("./25") = 0 [pid 5096] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5096] setpgid(0, 0) = 0 [pid 5096] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5096] write(3, "1000", 4) = 4 [pid 5096] close(3) = 0 [pid 5096] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5096] futex(0x7f99ecdeb6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5096] rt_sigaction(SIGRT_1, {sa_handler=0x7f99ecd88eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f99ecd7a060}, NULL, 8) = 0 [pid 5096] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5096] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f99eccff000 [pid 5096] mprotect(0x7f99ecd00000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5096] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5096] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f99ecd1f990, parent_tid=0x7f99ecd1f990, exit_signal=0, stack=0x7f99eccff000, stack_size=0x20300, tls=0x7f99ecd1f6c0}./strace-static-x86_64: Process 5097 attached [pid 5097] rseq(0x7f99ecd1ffe0, 0x20, 0, 0x53053053) = 0 [pid 5097] set_robust_list(0x7f99ecd1f9a0, 24) = 0 [pid 5097] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5097] futex(0x7f99ecdeb6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5096] <... clone3 resumed> => {parent_tid=[5097]}, 88) = 5097 [pid 5096] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5096] futex(0x7f99ecdeb6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5097] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5096] <... futex resumed>) = 0 [pid 5096] futex(0x7f99ecdeb6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5097] memfd_create("syzkaller", 0) = 3 [pid 5097] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f99e48ff000 [pid 5097] 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 5097] munmap(0x7f99e48ff000, 524288) = 0 [pid 5097] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 51.760656][ T12] hfsplus: b-tree write err: -5, ino 8 [pid 5097] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5097] close(3) = 0 [pid 5097] mkdir("./bus", 0777) = 0 [pid 5097] mount("/dev/loop0", "./bus", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK, "") = 0 [pid 5097] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5097] chdir("./bus") = 0 [pid 5097] ioctl(4, LOOP_CLR_FD) = 0 [pid 5097] close(4) = 0 [pid 5097] futex(0x7f99ecdeb6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5096] <... futex resumed>) = 0 [pid 5097] futex(0x7f99ecdeb6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5096] futex(0x7f99ecdeb6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5097] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5096] <... futex resumed>) = 0 [pid 5097] rename("./file1", "./bus" [pid 5096] futex(0x7f99ecdeb6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5097] <... rename resumed>) = 0 [pid 5096] <... futex resumed>) = 0 [pid 5097] rename("./file1", "./bus" [pid 5096] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5097] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5096] <... mmap resumed>) = 0x7f99e495e000 [pid 5096] mprotect(0x7f99e495f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5096] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5096] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f99e497e990, parent_tid=0x7f99e497e990, exit_signal=0, stack=0x7f99e495e000, stack_size=0x20300, tls=0x7f99e497e6c0}./strace-static-x86_64: Process 5098 attached => {parent_tid=[5098]}, 88) = 5098 [pid 5098] rseq(0x7f99e497efe0, 0x20, 0, 0x53053053 [pid 5096] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5096] futex(0x7f99ecdeb6b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5098] <... rseq resumed>) = 0 [pid 5096] futex(0x7f99ecdeb6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5098] set_robust_list(0x7f99e497e9a0, 24) = 0 [pid 5098] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5098] creat("./file1", 000) = 4 [pid 5098] creat("./file1", 000 [pid 5097] rename("./file1", "./bus" [pid 5098] <... creat resumed>) = 5 [pid 5098] creat("./file1", 000) = 6 [pid 5098] creat("./file1", 000) = 7 [pid 5098] creat("./file1", 000) = 8 [pid 5098] creat("./file1", 000 [pid 5097] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5098] <... creat resumed>) = 9 [pid 5098] creat("./file1", 000 [pid 5097] rename("./file1", "./bus" [pid 5098] <... creat resumed>) = 10 [pid 5097] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5098] creat("./file1", 000 [pid 5097] rename("./file1", "./bus" [pid 5098] <... creat resumed>) = 11 [pid 5097] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5098] creat("./file1", 000 [pid 5097] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5098] <... creat resumed>) = 12 [pid 5097] rename("./file1", "./bus" [pid 5098] creat("./file1", 000 [pid 5097] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5098] <... creat resumed>) = 13 [pid 5097] rename("./file1", "./bus" [pid 5098] creat("./file1", 000 [pid 5097] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5098] <... creat resumed>) = 14 [pid 5097] rename("./file1", "./bus" [pid 5098] creat("./file1", 000 [pid 5097] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5097] rename("./file1", "./bus" [pid 5098] <... creat resumed>) = 15 [pid 5097] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5097] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5097] rename("./file1", "./bus" [pid 5098] creat("./file1", 000 [pid 5097] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5097] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5098] <... creat resumed>) = 16 [pid 5097] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5097] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5097] rename("./file1", "./bus" [pid 5098] creat("./file1", 000 [pid 5097] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5097] rename("./file1", "./bus" [pid 5098] <... creat resumed>) = 17 [pid 5097] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5097] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5098] creat("./file1", 000 [pid 5097] rename("./file1", "./bus" [pid 5098] <... creat resumed>) = 18 [pid 5097] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5098] creat("./file1", 000 [pid 5097] rename("./file1", "./bus" [pid 5098] <... creat resumed>) = 19 [pid 5097] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5097] rename("./file1", "./bus" [pid 5098] creat("./file1", 000 [pid 5097] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5097] rename("./file1", "./bus" [pid 5098] <... creat resumed>) = 20 [pid 5097] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5098] creat("./file1", 000 [pid 5097] rename("./file1", "./bus" [pid 5098] <... creat resumed>) = 21 [pid 5097] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5098] creat("./file1", 000 [pid 5097] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5097] rename("./file1", "./bus" [pid 5098] <... creat resumed>) = 22 [pid 5097] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5098] creat("./file1", 000 [pid 5097] rename("./file1", "./bus" [pid 5098] <... creat resumed>) = 23 [pid 5097] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5098] creat("./file1", 000 [pid 5097] rename("./file1", "./bus" [pid 5098] <... creat resumed>) = 24 [pid 5097] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5098] creat("./file1", 000 [pid 5097] rename("./file1", "./bus" [pid 5098] <... creat resumed>) = 25 [pid 5097] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5098] creat("./file1", 000 [pid 5097] rename("./file1", "./bus" [pid 5098] <... creat resumed>) = 26 [pid 5097] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5097] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5098] creat("./file1", 000 [pid 5097] rename("./file1", "./bus" [pid 5098] <... creat resumed>) = 27 [pid 5097] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5098] creat("./file1", 000 [pid 5097] rename("./file1", "./bus" [pid 5098] <... creat resumed>) = 28 [pid 5098] creat("./file1", 000 [pid 5097] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5097] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5097] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5097] rename("./file1", "./bus" [pid 5098] <... creat resumed>) = 29 [pid 5097] <... rename resumed>) = -1 ENOENT (No such file or directory) [ 51.821654][ T5097] loop0: detected capacity change from 0 to 1024 [pid 5098] creat("./file1", 000) = 30 [pid 5097] rename("./file1", "./bus" [pid 5098] creat("./file1", 000 [pid 5097] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5097] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5097] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5097] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5098] <... creat resumed>) = 31 [pid 5097] rename("./file1", "./bus" [pid 5098] creat("./file1", 000 [pid 5097] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5097] rename("./file1", "./bus" [pid 5098] <... creat resumed>) = 32 [pid 5097] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5097] rename("./file1", "./bus" [pid 5098] creat("./file1", 000 [pid 5097] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5097] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5097] rename("./file1", "./bus" [pid 5098] <... creat resumed>) = 33 [pid 5097] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5097] rename("./file1", "./bus" [pid 5098] creat("./file1", 000 [pid 5097] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5097] rename("./file1", "./bus" [pid 5098] <... creat resumed>) = 34 [pid 5097] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5097] rename("./file1", "./bus" [pid 5098] creat("./file1", 000 [pid 5097] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5097] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5097] rename("./file1", "./bus" [pid 5098] <... creat resumed>) = 35 [pid 5098] creat("./file1", 000 [pid 5097] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5097] rename("./file1", "./bus" [pid 5098] <... creat resumed>) = 36 [pid 5097] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5097] rename("./file1", "./bus" [pid 5098] creat("./file1", 000 [pid 5097] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5097] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5097] rename("./file1", "./bus" [pid 5098] <... creat resumed>) = 37 [pid 5097] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5097] rename("./file1", "./bus" [pid 5098] creat("./file1", 000 [pid 5097] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5097] rename("./file1", "./bus" [pid 5098] <... creat resumed>) = 38 [pid 5097] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5098] creat("./file1", 000 [pid 5097] rename("./file1", "./bus" [pid 5098] <... creat resumed>) = 39 [pid 5097] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5098] creat("./file1", 000 [pid 5097] rename("./file1", "./bus" [pid 5098] <... creat resumed>) = 40 [pid 5097] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5097] rename("./file1", "./bus" [pid 5098] creat("./file1", 000 [pid 5097] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5097] rename("./file1", "./bus" [pid 5098] <... creat resumed>) = 41 [pid 5097] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5098] creat("./file1", 000 [pid 5097] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5097] rename("./file1", "./bus" [pid 5098] <... creat resumed>) = 42 [pid 5097] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5097] rename("./file1", "./bus" [pid 5098] creat("./file1", 000 [pid 5097] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5097] rename("./file1", "./bus" [pid 5098] <... creat resumed>) = 43 [pid 5097] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5098] creat("./file1", 000 [pid 5097] rename("./file1", "./bus" [pid 5098] <... creat resumed>) = 44 [pid 5097] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5098] creat("./file1", 000 [pid 5097] rename("./file1", "./bus" [pid 5098] <... creat resumed>) = 45 [pid 5097] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5098] creat("./file1", 000 [pid 5097] futex(0x7f99ecdeb6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5097] futex(0x7f99ecdeb6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5098] <... creat resumed>) = 46 [pid 5098] creat("./file1", 000 [pid 5096] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5098] <... creat resumed>) = 47 [pid 5098] creat("./file1", 000) = 48 [pid 5098] creat("./file1", 000) = 49 [pid 5098] creat("./file1", 000) = 50 [pid 5098] creat("./file1", 000) = 51 [pid 5098] creat("./file1", 000) = 52 [pid 5098] creat("./file1", 000) = 53 [pid 5098] creat("./file1", 000) = 54 [pid 5098] creat("./file1", 000) = 55 [pid 5098] creat("./file1", 000) = 56 [pid 5098] creat("./file1", 000) = 57 [pid 5098] creat("./file1", 000) = 58 [pid 5098] creat("./file1", 000) = 59 [pid 5098] creat("./file1", 000) = 60 [pid 5098] creat("./file1", 000) = 61 [pid 5098] creat("./file1", 000) = 62 [pid 5098] creat("./file1", 000) = 63 [pid 5098] creat("./file1", 000) = 64 [pid 5098] creat("./file1", 000) = 65 [pid 5098] creat("./file1", 000) = 66 [pid 5098] creat("./file1", 000) = 67 [pid 5098] creat("./file1", 000) = 68 [pid 5098] futex(0x7f99ecdeb6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5098] futex(0x7f99ecdeb6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5096] exit_group(0 [pid 5097] <... futex resumed>) = ? [pid 5098] <... futex resumed>) = ? [pid 5096] <... exit_group resumed>) = ? [pid 5097] +++ exited with 0 +++ [pid 5098] +++ exited with 0 +++ [pid 5096] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5096, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 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, 0x555556a5d730 /* 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, 0x555556a65770 /* 2 entries */, 32768) = 48 getdents64(4, 0x555556a65770 /* 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, 0x555556a5d730 /* 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=0x555556a5c690) = 5099 ./strace-static-x86_64: Process 5099 attached [pid 5099] set_robust_list(0x555556a5c6a0, 24) = 0 [pid 5099] chdir("./26") = 0 [pid 5099] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5099] setpgid(0, 0) = 0 [pid 5099] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5099] write(3, "1000", 4) = 4 [pid 5099] close(3) = 0 [pid 5099] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5099] futex(0x7f99ecdeb6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5099] rt_sigaction(SIGRT_1, {sa_handler=0x7f99ecd88eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f99ecd7a060}, NULL, 8) = 0 [pid 5099] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5099] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f99eccff000 [pid 5099] mprotect(0x7f99ecd00000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5099] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5099] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f99ecd1f990, parent_tid=0x7f99ecd1f990, exit_signal=0, stack=0x7f99eccff000, stack_size=0x20300, tls=0x7f99ecd1f6c0} => {parent_tid=[5100]}, 88) = 5100 [pid 5099] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5099] futex(0x7f99ecdeb6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5099] futex(0x7f99ecdeb6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5100 attached [pid 5100] rseq(0x7f99ecd1ffe0, 0x20, 0, 0x53053053) = 0 [pid 5100] set_robust_list(0x7f99ecd1f9a0, 24) = 0 [pid 5100] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5100] memfd_create("syzkaller", 0) = 3 [pid 5100] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f99e48ff000 [pid 5100] 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 5100] munmap(0x7f99e48ff000, 524288) = 0 [pid 5100] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 51.927284][ T12] hfsplus: b-tree write err: -5, ino 8 [pid 5100] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5100] close(3) = 0 [pid 5100] mkdir("./bus", 0777) = 0 [pid 5100] mount("/dev/loop0", "./bus", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK, "") = 0 [pid 5100] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5100] chdir("./bus") = 0 [pid 5100] ioctl(4, LOOP_CLR_FD) = 0 [pid 5100] close(4) = 0 [pid 5100] futex(0x7f99ecdeb6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5099] <... futex resumed>) = 0 [pid 5099] futex(0x7f99ecdeb6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5099] futex(0x7f99ecdeb6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5099] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f99e495e000 [pid 5099] mprotect(0x7f99e495f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5099] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5099] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f99e497e990, parent_tid=0x7f99e497e990, exit_signal=0, stack=0x7f99e495e000, stack_size=0x20300, tls=0x7f99e497e6c0} => {parent_tid=[5101]}, 88) = 5101 [pid 5099] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5099] futex(0x7f99ecdeb6b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5099] futex(0x7f99ecdeb6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5100] <... futex resumed>) = 1 [pid 5100] rename("./file1", "./bus") = 0 [pid 5100] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5100] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5100] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5100] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5100] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5100] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5100] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5100] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5100] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5100] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5100] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5100] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5100] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5100] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5100] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5100] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5100] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5100] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5100] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5100] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5100] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5100] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5100] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5100] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5100] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5100] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5100] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5100] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5100] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5100] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5100] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5100] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5100] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5100] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5100] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5100] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5100] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5100] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5100] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5100] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5100] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5100] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5100] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5100] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5100] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5100] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5100] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5100] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5100] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5100] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5100] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5100] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5100] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) ./strace-static-x86_64: Process 5101 attached [pid 5101] rseq(0x7f99e497efe0, 0x20, 0, 0x53053053 [pid 5100] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5101] <... rseq resumed>) = 0 [pid 5100] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5100] rename("./file1", "./bus" [pid 5101] set_robust_list(0x7f99e497e9a0, 24 [pid 5100] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5100] rename("./file1", "./bus" [pid 5101] <... set_robust_list resumed>) = 0 [pid 5100] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5101] rt_sigprocmask(SIG_SETMASK, [], [pid 5100] rename("./file1", "./bus" [pid 5101] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5100] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5100] rename("./file1", "./bus" [pid 5101] creat("./file1", 000 [pid 5100] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5100] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5100] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5100] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5100] rename("./file1", "./bus" [pid 5101] <... creat resumed>) = 4 [pid 5101] creat("./file1", 000 [pid 5100] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5100] rename("./file1", "./bus" [pid 5101] <... creat resumed>) = 5 [pid 5100] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5100] futex(0x7f99ecdeb6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5100] futex(0x7f99ecdeb6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5101] creat("./file1", 000) = 6 [pid 5101] creat("./file1", 000) = 7 [pid 5101] creat("./file1", 000) = 8 [pid 5101] creat("./file1", 000) = 9 [pid 5101] creat("./file1", 000) = 10 [pid 5101] creat("./file1", 000) = 11 [pid 5101] creat("./file1", 000) = 12 [pid 5101] creat("./file1", 000) = 13 [pid 5101] creat("./file1", 000) = 14 [pid 5101] creat("./file1", 000) = 15 [pid 5101] creat("./file1", 000) = 16 [pid 5101] creat("./file1", 000) = 17 [pid 5101] creat("./file1", 000) = 18 [ 51.972062][ T5100] loop0: detected capacity change from 0 to 1024 [pid 5101] creat("./file1", 000) = 19 [pid 5101] creat("./file1", 000) = 20 [pid 5101] creat("./file1", 000) = 21 [pid 5101] creat("./file1", 000) = 22 [pid 5101] creat("./file1", 000) = 23 [pid 5101] creat("./file1", 000) = 24 [pid 5101] creat("./file1", 000) = 25 [pid 5101] creat("./file1", 000) = 26 [pid 5101] creat("./file1", 000) = 27 [pid 5101] creat("./file1", 000) = 28 [pid 5101] creat("./file1", 000) = 29 [pid 5101] creat("./file1", 000) = 30 [pid 5101] creat("./file1", 000) = 31 [pid 5101] creat("./file1", 000) = 32 [pid 5101] creat("./file1", 000) = 33 [pid 5099] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5099] futex(0x7f99ecdeb6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5101] creat("./file1", 000) = 34 [pid 5101] creat("./file1", 000) = 35 [pid 5101] creat("./file1", 000) = 36 [pid 5101] creat("./file1", 000) = 37 [pid 5101] creat("./file1", 000) = 38 [pid 5101] creat("./file1", 000) = 39 [pid 5101] creat("./file1", 000) = 40 [pid 5101] creat("./file1", 000) = 41 [pid 5101] creat("./file1", 000) = 42 [pid 5101] creat("./file1", 000) = 43 [pid 5101] creat("./file1", 000) = 44 [pid 5101] creat("./file1", 000) = 45 [pid 5101] creat("./file1", 000) = 46 [pid 5101] creat("./file1", 000) = 47 [pid 5101] creat("./file1", 000) = 48 [pid 5101] creat("./file1", 000) = 49 [pid 5101] creat("./file1", 000) = 50 [pid 5101] creat("./file1", 000) = 51 [pid 5101] creat("./file1", 000) = 52 [pid 5101] creat("./file1", 000) = 53 [pid 5101] creat("./file1", 000) = 54 [pid 5101] creat("./file1", 000) = 55 [pid 5101] creat("./file1", 000) = 56 [pid 5101] creat("./file1", 000) = 57 [pid 5101] creat("./file1", 000) = 58 [pid 5101] creat("./file1", 000) = 59 [pid 5101] creat("./file1", 000) = 60 [pid 5101] creat("./file1", 000) = 61 [pid 5101] creat("./file1", 000) = 62 [pid 5101] creat("./file1", 000) = 63 [pid 5101] creat("./file1", 000) = 64 [pid 5101] creat("./file1", 000) = 65 [pid 5101] creat("./file1", 000) = 66 [pid 5101] creat("./file1", 000) = 67 [pid 5101] creat("./file1", 000) = 68 [pid 5101] futex(0x7f99ecdeb6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5101] futex(0x7f99ecdeb6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5099] exit_group(0) = ? [pid 5101] <... futex resumed>) = ? [pid 5100] <... futex resumed>) = ? [pid 5100] +++ exited with 0 +++ [pid 5101] +++ exited with 0 +++ [pid 5099] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5099, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 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, 0x555556a5d730 /* 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, 0x555556a65770 /* 2 entries */, 32768) = 48 getdents64(4, 0x555556a65770 /* 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, 0x555556a5d730 /* 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=0x555556a5c690) = 5102 ./strace-static-x86_64: Process 5102 attached [pid 5102] set_robust_list(0x555556a5c6a0, 24) = 0 [pid 5102] chdir("./27") = 0 [pid 5102] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5102] setpgid(0, 0) = 0 [pid 5102] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5102] write(3, "1000", 4) = 4 [pid 5102] close(3) = 0 [pid 5102] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5102] futex(0x7f99ecdeb6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5102] rt_sigaction(SIGRT_1, {sa_handler=0x7f99ecd88eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f99ecd7a060}, NULL, 8) = 0 [pid 5102] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5102] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f99eccff000 [pid 5102] mprotect(0x7f99ecd00000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5102] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5102] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f99ecd1f990, parent_tid=0x7f99ecd1f990, exit_signal=0, stack=0x7f99eccff000, stack_size=0x20300, tls=0x7f99ecd1f6c0}./strace-static-x86_64: Process 5103 attached => {parent_tid=[5103]}, 88) = 5103 [pid 5102] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5102] futex(0x7f99ecdeb6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5102] futex(0x7f99ecdeb6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5103] rseq(0x7f99ecd1ffe0, 0x20, 0, 0x53053053) = 0 [pid 5103] set_robust_list(0x7f99ecd1f9a0, 24) = 0 [pid 5103] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5103] memfd_create("syzkaller", 0) = 3 [pid 5103] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f99e48ff000 [pid 5103] 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 5103] munmap(0x7f99e48ff000, 524288) = 0 [pid 5103] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 52.077225][ T33] hfsplus: b-tree write err: -5, ino 8 [pid 5103] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5103] close(3) = 0 [pid 5103] mkdir("./bus", 0777) = 0 [pid 5103] mount("/dev/loop0", "./bus", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK, "") = 0 [pid 5103] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5103] chdir("./bus") = 0 [pid 5103] ioctl(4, LOOP_CLR_FD) = 0 [pid 5103] close(4) = 0 [pid 5103] futex(0x7f99ecdeb6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5102] <... futex resumed>) = 0 [pid 5102] futex(0x7f99ecdeb6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5102] futex(0x7f99ecdeb6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5102] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f99e495e000 [pid 5102] mprotect(0x7f99e495f000, 131072, PROT_READ|PROT_WRITE [pid 5103] rename("./file1", "./bus" [pid 5102] <... mprotect resumed>) = 0 [pid 5102] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5102] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f99e497e990, parent_tid=0x7f99e497e990, exit_signal=0, stack=0x7f99e495e000, stack_size=0x20300, tls=0x7f99e497e6c0} [pid 5103] <... rename resumed>) = 0 [pid 5102] <... clone3 resumed> => {parent_tid=[5104]}, 88) = 5104 [pid 5102] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5102] futex(0x7f99ecdeb6b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5103] rename("./file1", "./bus" [pid 5102] <... futex resumed>) = 0 [pid 5102] futex(0x7f99ecdeb6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5103] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5103] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5103] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5103] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5103] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) ./strace-static-x86_64: Process 5104 attached [pid 5103] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5103] rename("./file1", "./bus" [pid 5104] rseq(0x7f99e497efe0, 0x20, 0, 0x53053053 [pid 5103] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5103] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5103] rename("./file1", "./bus" [pid 5104] <... rseq resumed>) = 0 [pid 5103] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5103] rename("./file1", "./bus" [pid 5104] set_robust_list(0x7f99e497e9a0, 24 [pid 5103] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5103] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5103] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5103] rename("./file1", "./bus" [pid 5104] <... set_robust_list resumed>) = 0 [pid 5103] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5103] rename("./file1", "./bus" [pid 5104] rt_sigprocmask(SIG_SETMASK, [], [pid 5103] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5104] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5104] creat("./file1", 000 [pid 5103] rename("./file1", "./bus" [pid 5104] <... creat resumed>) = 4 [pid 5104] creat("./file1", 000) = 5 [pid 5103] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5104] creat("./file1", 000) = 6 [pid 5103] rename("./file1", "./bus" [pid 5104] creat("./file1", 000 [pid 5103] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5104] <... creat resumed>) = 7 [pid 5103] rename("./file1", "./bus" [pid 5104] creat("./file1", 000 [pid 5103] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5104] <... creat resumed>) = 8 [pid 5103] rename("./file1", "./bus" [pid 5104] creat("./file1", 000 [pid 5103] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5103] rename("./file1", "./bus" [pid 5104] <... creat resumed>) = 9 [pid 5103] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5104] creat("./file1", 000 [pid 5103] rename("./file1", "./bus" [pid 5104] <... creat resumed>) = 10 [pid 5103] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5104] creat("./file1", 000 [pid 5103] rename("./file1", "./bus" [pid 5104] <... creat resumed>) = 11 [pid 5103] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5104] creat("./file1", 000 [pid 5103] rename("./file1", "./bus" [pid 5104] <... creat resumed>) = 12 [pid 5103] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5104] creat("./file1", 000 [pid 5103] rename("./file1", "./bus" [pid 5104] <... creat resumed>) = 13 [pid 5104] creat("./file1", 000 [pid 5103] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5104] <... creat resumed>) = 14 [pid 5104] creat("./file1", 000 [pid 5103] rename("./file1", "./bus" [pid 5104] <... creat resumed>) = 15 [pid 5104] creat("./file1", 000 [pid 5103] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5104] <... creat resumed>) = 16 [pid 5104] creat("./file1", 000 [pid 5103] rename("./file1", "./bus" [pid 5104] <... creat resumed>) = 17 [pid 5103] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5104] creat("./file1", 000 [pid 5103] rename("./file1", "./bus" [pid 5104] <... creat resumed>) = 18 [pid 5103] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5104] creat("./file1", 000 [pid 5103] rename("./file1", "./bus" [pid 5104] <... creat resumed>) = 19 [ 52.127923][ T5103] loop0: detected capacity change from 0 to 1024 [pid 5103] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5104] creat("./file1", 000 [pid 5103] rename("./file1", "./bus" [pid 5104] <... creat resumed>) = 20 [pid 5103] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5104] creat("./file1", 000 [pid 5103] rename("./file1", "./bus" [pid 5104] <... creat resumed>) = 21 [pid 5103] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5104] creat("./file1", 000 [pid 5103] rename("./file1", "./bus" [pid 5104] <... creat resumed>) = 22 [pid 5103] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5104] creat("./file1", 000 [pid 5103] rename("./file1", "./bus" [pid 5104] <... creat resumed>) = 23 [pid 5103] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5104] creat("./file1", 000 [pid 5103] rename("./file1", "./bus" [pid 5104] <... creat resumed>) = 24 [pid 5103] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5104] creat("./file1", 000 [pid 5103] rename("./file1", "./bus" [pid 5104] <... creat resumed>) = 25 [pid 5103] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5104] creat("./file1", 000 [pid 5103] rename("./file1", "./bus" [pid 5104] <... creat resumed>) = 26 [pid 5103] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5104] creat("./file1", 000 [pid 5103] rename("./file1", "./bus" [pid 5104] <... creat resumed>) = 27 [pid 5103] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5104] creat("./file1", 000 [pid 5103] rename("./file1", "./bus" [pid 5104] <... creat resumed>) = 28 [pid 5103] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5104] creat("./file1", 000 [pid 5103] rename("./file1", "./bus" [pid 5104] <... creat resumed>) = 29 [pid 5103] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5104] creat("./file1", 000 [pid 5103] rename("./file1", "./bus" [pid 5104] <... creat resumed>) = 30 [pid 5103] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5104] creat("./file1", 000 [pid 5103] rename("./file1", "./bus" [pid 5104] <... creat resumed>) = 31 [pid 5103] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5104] creat("./file1", 000 [pid 5103] rename("./file1", "./bus" [pid 5104] <... creat resumed>) = 32 [pid 5103] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5104] creat("./file1", 000 [pid 5103] rename("./file1", "./bus" [pid 5104] <... creat resumed>) = 33 [pid 5103] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5104] creat("./file1", 000 [pid 5103] rename("./file1", "./bus" [pid 5104] <... creat resumed>) = 34 [pid 5103] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5104] creat("./file1", 000 [pid 5103] rename("./file1", "./bus" [pid 5104] <... creat resumed>) = 35 [pid 5103] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5104] creat("./file1", 000 [pid 5103] rename("./file1", "./bus" [pid 5104] <... creat resumed>) = 36 [pid 5103] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5104] creat("./file1", 000 [pid 5103] rename("./file1", "./bus" [pid 5104] <... creat resumed>) = 37 [pid 5103] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5104] creat("./file1", 000 [pid 5103] rename("./file1", "./bus" [pid 5104] <... creat resumed>) = 38 [pid 5103] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5104] creat("./file1", 000 [pid 5103] rename("./file1", "./bus" [pid 5104] <... creat resumed>) = 39 [pid 5103] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5104] creat("./file1", 000 [pid 5103] rename("./file1", "./bus" [pid 5104] <... creat resumed>) = 40 [pid 5103] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5104] creat("./file1", 000 [pid 5103] rename("./file1", "./bus" [pid 5104] <... creat resumed>) = 41 [pid 5103] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5104] creat("./file1", 000 [pid 5103] rename("./file1", "./bus" [pid 5104] <... creat resumed>) = 42 [pid 5103] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5104] creat("./file1", 000 [pid 5103] rename("./file1", "./bus" [pid 5104] <... creat resumed>) = 43 [pid 5103] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5104] creat("./file1", 000 [pid 5103] rename("./file1", "./bus" [pid 5104] <... creat resumed>) = 44 [pid 5103] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5104] creat("./file1", 000 [pid 5103] rename("./file1", "./bus" [pid 5104] <... creat resumed>) = 45 [pid 5103] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5104] creat("./file1", 000 [pid 5103] rename("./file1", "./bus" [pid 5104] <... creat resumed>) = 46 [pid 5103] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5104] creat("./file1", 000 [pid 5103] rename("./file1", "./bus" [pid 5104] <... creat resumed>) = 47 [pid 5103] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5102] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5104] creat("./file1", 000 [pid 5103] rename("./file1", "./bus" [pid 5104] <... creat resumed>) = 48 [pid 5103] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5104] creat("./file1", 000 [pid 5103] rename("./file1", "./bus" [pid 5104] <... creat resumed>) = 49 [pid 5103] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5104] creat("./file1", 000 [pid 5103] rename("./file1", "./bus" [pid 5104] <... creat resumed>) = 50 [pid 5103] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5104] creat("./file1", 000 [pid 5103] rename("./file1", "./bus" [pid 5104] <... creat resumed>) = 51 [pid 5103] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5104] creat("./file1", 000 [pid 5103] rename("./file1", "./bus" [pid 5104] <... creat resumed>) = 52 [pid 5103] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5104] creat("./file1", 000 [pid 5103] rename("./file1", "./bus" [pid 5104] <... creat resumed>) = 53 [pid 5103] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5104] creat("./file1", 000 [pid 5103] rename("./file1", "./bus" [pid 5104] <... creat resumed>) = 54 [pid 5103] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5104] creat("./file1", 000 [pid 5103] rename("./file1", "./bus" [pid 5104] <... creat resumed>) = 55 [pid 5103] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5104] creat("./file1", 000 [pid 5103] rename("./file1", "./bus" [pid 5104] <... creat resumed>) = 56 [pid 5103] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5104] creat("./file1", 000 [pid 5103] futex(0x7f99ecdeb6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5104] <... creat resumed>) = 57 [pid 5103] <... futex resumed>) = 0 [pid 5104] creat("./file1", 000 [pid 5103] futex(0x7f99ecdeb6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5104] <... creat resumed>) = 58 [pid 5104] creat("./file1", 000) = 59 [pid 5104] creat("./file1", 000) = 60 [pid 5104] creat("./file1", 000) = 61 [pid 5104] creat("./file1", 000) = 62 [pid 5104] creat("./file1", 000) = 63 [pid 5104] creat("./file1", 000) = 64 [pid 5104] creat("./file1", 000) = 65 [pid 5104] creat("./file1", 000) = 66 [pid 5104] creat("./file1", 000) = 67 [pid 5104] creat("./file1", 000) = 68 [pid 5104] futex(0x7f99ecdeb6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5102] exit_group(0 [pid 5104] <... futex resumed>) = ? [pid 5103] <... futex resumed>) = ? [pid 5102] <... exit_group resumed>) = ? [pid 5104] +++ exited with 0 +++ [pid 5103] +++ exited with 0 +++ [pid 5102] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5102, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 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, 0x555556a5d730 /* 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, 0x555556a65770 /* 2 entries */, 32768) = 48 getdents64(4, 0x555556a65770 /* 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, 0x555556a5d730 /* 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, child_tidptr=0x555556a5c690) = 5105 ./strace-static-x86_64: Process 5105 attached [pid 5105] set_robust_list(0x555556a5c6a0, 24) = 0 [pid 5105] chdir("./28") = 0 [pid 5105] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5105] setpgid(0, 0) = 0 [pid 5105] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5105] write(3, "1000", 4) = 4 [pid 5105] close(3) = 0 [pid 5105] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5105] futex(0x7f99ecdeb6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5105] rt_sigaction(SIGRT_1, {sa_handler=0x7f99ecd88eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f99ecd7a060}, NULL, 8) = 0 [pid 5105] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5105] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f99eccff000 [pid 5105] mprotect(0x7f99ecd00000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5105] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5105] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f99ecd1f990, parent_tid=0x7f99ecd1f990, exit_signal=0, stack=0x7f99eccff000, stack_size=0x20300, tls=0x7f99ecd1f6c0}./strace-static-x86_64: Process 5106 attached => {parent_tid=[5106]}, 88) = 5106 [pid 5105] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5105] futex(0x7f99ecdeb6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5106] rseq(0x7f99ecd1ffe0, 0x20, 0, 0x53053053 [pid 5105] futex(0x7f99ecdeb6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5106] <... rseq resumed>) = 0 [pid 5106] set_robust_list(0x7f99ecd1f9a0, 24) = 0 [pid 5106] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5106] memfd_create("syzkaller", 0) = 3 [pid 5106] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f99e48ff000 [pid 5106] 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 5106] munmap(0x7f99e48ff000, 524288) = 0 [pid 5106] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 52.239754][ T33] hfsplus: b-tree write err: -5, ino 8 [pid 5106] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5106] close(3) = 0 [pid 5106] mkdir("./bus", 0777) = 0 [pid 5106] mount("/dev/loop0", "./bus", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK, "") = 0 [pid 5106] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5106] chdir("./bus") = 0 [pid 5106] ioctl(4, LOOP_CLR_FD) = 0 [pid 5106] close(4) = 0 [pid 5106] futex(0x7f99ecdeb6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5105] <... futex resumed>) = 0 [pid 5106] futex(0x7f99ecdeb6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5105] futex(0x7f99ecdeb6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5106] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5105] <... futex resumed>) = 0 [pid 5106] rename("./file1", "./bus" [pid 5105] futex(0x7f99ecdeb6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5106] <... rename resumed>) = 0 [pid 5105] <... futex resumed>) = 0 [pid 5106] rename("./file1", "./bus" [pid 5105] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5106] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5105] <... mmap resumed>) = 0x7f99e495e000 [pid 5106] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5106] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5106] rename("./file1", "./bus" [pid 5105] mprotect(0x7f99e495f000, 131072, PROT_READ|PROT_WRITE [pid 5106] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5105] <... mprotect resumed>) = 0 [pid 5106] rename("./file1", "./bus" [pid 5105] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5106] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5105] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5106] rename("./file1", "./bus" [pid 5105] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f99e497e990, parent_tid=0x7f99e497e990, exit_signal=0, stack=0x7f99e495e000, stack_size=0x20300, tls=0x7f99e497e6c0} [pid 5106] <... rename resumed>) = -1 ENOENT (No such file or directory) ./strace-static-x86_64: Process 5107 attached [pid 5106] rename("./file1", "./bus" [pid 5105] <... clone3 resumed> => {parent_tid=[5107]}, 88) = 5107 [pid 5106] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5106] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5106] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5106] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5106] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5106] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5106] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5106] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5106] rename("./file1", "./bus" [pid 5105] rt_sigprocmask(SIG_SETMASK, [], [pid 5106] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5105] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5107] rseq(0x7f99e497efe0, 0x20, 0, 0x53053053 [pid 5106] rename("./file1", "./bus" [pid 5105] futex(0x7f99ecdeb6b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5107] <... rseq resumed>) = 0 [pid 5106] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5105] <... futex resumed>) = 0 [pid 5107] set_robust_list(0x7f99e497e9a0, 24 [pid 5106] rename("./file1", "./bus" [pid 5105] futex(0x7f99ecdeb6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5107] <... set_robust_list resumed>) = 0 [pid 5106] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5107] rt_sigprocmask(SIG_SETMASK, [], [pid 5106] rename("./file1", "./bus" [pid 5107] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5106] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5106] rename("./file1", "./bus" [pid 5107] creat("./file1", 000 [pid 5106] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5106] rename("./file1", "./bus" [pid 5107] <... creat resumed>) = 4 [pid 5107] creat("./file1", 000) = 5 [pid 5106] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5107] creat("./file1", 000 [pid 5106] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5107] <... creat resumed>) = 6 [pid 5106] rename("./file1", "./bus" [pid 5107] creat("./file1", 000 [pid 5106] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5107] <... creat resumed>) = 7 [pid 5106] rename("./file1", "./bus" [pid 5107] creat("./file1", 000 [pid 5106] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5107] <... creat resumed>) = 8 [pid 5106] rename("./file1", "./bus" [pid 5107] creat("./file1", 000 [pid 5106] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5106] rename("./file1", "./bus" [pid 5107] <... creat resumed>) = 9 [pid 5107] creat("./file1", 000 [pid 5106] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5106] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5106] rename("./file1", "./bus" [pid 5107] <... creat resumed>) = 10 [pid 5107] creat("./file1", 000 [pid 5106] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5106] rename("./file1", "./bus" [pid 5107] <... creat resumed>) = 11 [pid 5106] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5106] rename("./file1", "./bus" [pid 5107] creat("./file1", 000) = 12 [pid 5106] <... rename resumed>) = -1 ENOENT (No such file or directory) [ 52.292663][ T5106] loop0: detected capacity change from 0 to 1024 [pid 5107] creat("./file1", 000 [pid 5106] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5106] rename("./file1", "./bus" [pid 5107] <... creat resumed>) = 13 [pid 5106] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5107] creat("./file1", 000 [pid 5106] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5106] rename("./file1", "./bus" [pid 5107] <... creat resumed>) = 14 [pid 5106] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5106] rename("./file1", "./bus" [pid 5107] creat("./file1", 000 [pid 5106] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5106] rename("./file1", "./bus" [pid 5107] <... creat resumed>) = 15 [pid 5106] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5107] creat("./file1", 000 [pid 5106] rename("./file1", "./bus" [pid 5107] <... creat resumed>) = 16 [pid 5106] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5107] creat("./file1", 000 [pid 5106] rename("./file1", "./bus" [pid 5107] <... creat resumed>) = 17 [pid 5106] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5107] creat("./file1", 000 [pid 5106] rename("./file1", "./bus" [pid 5107] <... creat resumed>) = 18 [pid 5106] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5107] creat("./file1", 000 [pid 5106] rename("./file1", "./bus" [pid 5107] <... creat resumed>) = 19 [pid 5106] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5106] rename("./file1", "./bus" [pid 5107] creat("./file1", 000 [pid 5106] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5106] rename("./file1", "./bus" [pid 5107] <... creat resumed>) = 20 [pid 5106] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5107] creat("./file1", 000 [pid 5106] rename("./file1", "./bus" [pid 5107] <... creat resumed>) = 21 [pid 5106] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5107] creat("./file1", 000 [pid 5106] rename("./file1", "./bus" [pid 5107] <... creat resumed>) = 22 [pid 5106] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5107] creat("./file1", 000 [pid 5106] rename("./file1", "./bus" [pid 5107] <... creat resumed>) = 23 [pid 5106] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5107] creat("./file1", 000 [pid 5106] rename("./file1", "./bus" [pid 5107] <... creat resumed>) = 24 [pid 5106] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5107] creat("./file1", 000 [pid 5106] rename("./file1", "./bus" [pid 5107] <... creat resumed>) = 25 [pid 5106] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5107] creat("./file1", 000 [pid 5106] rename("./file1", "./bus" [pid 5107] <... creat resumed>) = 26 [pid 5106] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5107] creat("./file1", 000 [pid 5106] rename("./file1", "./bus" [pid 5107] <... creat resumed>) = 27 [pid 5106] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5107] creat("./file1", 000 [pid 5106] rename("./file1", "./bus" [pid 5107] <... creat resumed>) = 28 [pid 5106] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5107] creat("./file1", 000 [pid 5106] rename("./file1", "./bus" [pid 5107] <... creat resumed>) = 29 [pid 5106] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5107] creat("./file1", 000 [pid 5106] rename("./file1", "./bus" [pid 5107] <... creat resumed>) = 30 [pid 5106] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5106] rename("./file1", "./bus" [pid 5107] creat("./file1", 000 [pid 5106] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5106] rename("./file1", "./bus" [pid 5107] <... creat resumed>) = 31 [pid 5106] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5107] creat("./file1", 000 [pid 5106] rename("./file1", "./bus" [pid 5107] <... creat resumed>) = 32 [pid 5106] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5107] creat("./file1", 000 [pid 5106] rename("./file1", "./bus" [pid 5107] <... creat resumed>) = 33 [pid 5106] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5107] creat("./file1", 000 [pid 5106] rename("./file1", "./bus" [pid 5107] <... creat resumed>) = 34 [pid 5106] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5107] creat("./file1", 000 [pid 5106] rename("./file1", "./bus" [pid 5107] <... creat resumed>) = 35 [pid 5106] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5107] creat("./file1", 000 [pid 5106] rename("./file1", "./bus" [pid 5107] <... creat resumed>) = 36 [pid 5106] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5107] creat("./file1", 000 [pid 5106] rename("./file1", "./bus" [pid 5107] <... creat resumed>) = 37 [pid 5106] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5107] creat("./file1", 000 [pid 5106] rename("./file1", "./bus" [pid 5107] <... creat resumed>) = 38 [pid 5106] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5107] creat("./file1", 000 [pid 5106] rename("./file1", "./bus" [pid 5107] <... creat resumed>) = 39 [pid 5106] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5107] creat("./file1", 000 [pid 5106] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5106] rename("./file1", "./bus" [pid 5107] <... creat resumed>) = 40 [pid 5106] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5107] creat("./file1", 000 [pid 5106] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5107] <... creat resumed>) = 41 [pid 5106] futex(0x7f99ecdeb6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5107] creat("./file1", 000 [pid 5106] <... futex resumed>) = 0 [pid 5106] futex(0x7f99ecdeb6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5107] <... creat resumed>) = 42 [pid 5107] creat("./file1", 000) = 43 [pid 5107] creat("./file1", 000) = 44 [pid 5107] creat("./file1", 000) = 45 [pid 5107] creat("./file1", 000) = 46 [pid 5107] creat("./file1", 000) = 47 [pid 5107] creat("./file1", 000) = 48 [pid 5107] creat("./file1", 000) = 49 [pid 5107] creat("./file1", 000) = 50 [pid 5107] creat("./file1", 000) = 51 [pid 5107] creat("./file1", 000) = 52 [pid 5107] creat("./file1", 000) = 53 [pid 5107] creat("./file1", 000) = 54 [pid 5107] creat("./file1", 000) = 55 [pid 5107] creat("./file1", 000) = 56 [pid 5107] creat("./file1", 000) = 57 [pid 5107] creat("./file1", 000) = 58 [pid 5107] creat("./file1", 000) = 59 [pid 5107] creat("./file1", 000) = 60 [pid 5107] creat("./file1", 000) = 61 [pid 5107] creat("./file1", 000) = 62 [pid 5107] creat("./file1", 000) = 63 [pid 5107] creat("./file1", 000 [pid 5105] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5107] <... creat resumed>) = 64 [pid 5107] creat("./file1", 000) = 65 [pid 5107] creat("./file1", 000) = 66 [pid 5107] creat("./file1", 000) = 67 [pid 5107] creat("./file1", 000) = 68 [pid 5107] futex(0x7f99ecdeb6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5107] futex(0x7f99ecdeb6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5105] exit_group(0 [pid 5106] <... futex resumed>) = ? [pid 5105] <... exit_group resumed>) = ? [pid 5107] <... futex resumed>) = ? [pid 5106] +++ exited with 0 +++ [pid 5107] +++ exited with 0 +++ [pid 5105] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5105, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 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, 0x555556a5d730 /* 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, 0x555556a65770 /* 2 entries */, 32768) = 48 getdents64(4, 0x555556a65770 /* 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, 0x555556a5d730 /* 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, child_tidptr=0x555556a5c690) = 5108 ./strace-static-x86_64: Process 5108 attached [pid 5108] set_robust_list(0x555556a5c6a0, 24) = 0 [pid 5108] chdir("./29") = 0 [pid 5108] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5108] setpgid(0, 0) = 0 [pid 5108] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5108] write(3, "1000", 4) = 4 [pid 5108] close(3) = 0 [pid 5108] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5108] futex(0x7f99ecdeb6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5108] rt_sigaction(SIGRT_1, {sa_handler=0x7f99ecd88eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f99ecd7a060}, NULL, 8) = 0 [pid 5108] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5108] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f99eccff000 [pid 5108] mprotect(0x7f99ecd00000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5108] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5108] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f99ecd1f990, parent_tid=0x7f99ecd1f990, exit_signal=0, stack=0x7f99eccff000, stack_size=0x20300, tls=0x7f99ecd1f6c0} => {parent_tid=[5109]}, 88) = 5109 ./strace-static-x86_64: Process 5109 attached [pid 5108] rt_sigprocmask(SIG_SETMASK, [], [pid 5109] rseq(0x7f99ecd1ffe0, 0x20, 0, 0x53053053 [pid 5108] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5109] <... rseq resumed>) = 0 [pid 5109] set_robust_list(0x7f99ecd1f9a0, 24) = 0 [pid 5109] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5109] futex(0x7f99ecdeb6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5108] futex(0x7f99ecdeb6a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5109] <... futex resumed>) = 0 [pid 5108] futex(0x7f99ecdeb6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5109] memfd_create("syzkaller", 0) = 3 [pid 5109] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f99e48ff000 [pid 5109] 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 5109] munmap(0x7f99e48ff000, 524288) = 0 [pid 5109] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 52.404077][ T33] hfsplus: b-tree write err: -5, ino 8 [pid 5109] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5109] close(3) = 0 [pid 5109] mkdir("./bus", 0777) = 0 [pid 5109] mount("/dev/loop0", "./bus", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK, "") = 0 [pid 5109] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5109] chdir("./bus") = 0 [pid 5109] ioctl(4, LOOP_CLR_FD) = 0 [pid 5109] close(4) = 0 [pid 5109] futex(0x7f99ecdeb6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5108] <... futex resumed>) = 0 [pid 5108] futex(0x7f99ecdeb6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5108] futex(0x7f99ecdeb6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5108] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f99e495e000 [pid 5108] mprotect(0x7f99e495f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5108] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5108] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f99e497e990, parent_tid=0x7f99e497e990, exit_signal=0, stack=0x7f99e495e000, stack_size=0x20300, tls=0x7f99e497e6c0} => {parent_tid=[5110]}, 88) = 5110 [pid 5108] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5108] futex(0x7f99ecdeb6b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5108] futex(0x7f99ecdeb6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5109] <... futex resumed>) = 1 [pid 5109] rename("./file1", "./bus") = 0 [pid 5109] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5109] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5109] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5109] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5109] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5109] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5109] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5109] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5109] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5109] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5109] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5109] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5109] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5109] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5109] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5109] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5109] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5109] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5109] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5109] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5109] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5109] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5109] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) ./strace-static-x86_64: Process 5110 attached [pid 5110] rseq(0x7f99e497efe0, 0x20, 0, 0x53053053) = 0 [pid 5110] set_robust_list(0x7f99e497e9a0, 24 [pid 5109] rename("./file1", "./bus" [pid 5110] <... set_robust_list resumed>) = 0 [pid 5109] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5110] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5109] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5109] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5109] rename("./file1", "./bus" [pid 5110] creat("./file1", 000 [pid 5109] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5109] rename("./file1", "./bus" [pid 5110] <... creat resumed>) = 4 [pid 5110] creat("./file1", 000) = 5 [pid 5109] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5110] creat("./file1", 000) = 6 [pid 5110] creat("./file1", 000) = 7 [pid 5110] creat("./file1", 000 [pid 5109] rename("./file1", "./bus" [pid 5110] <... creat resumed>) = 8 [pid 5110] creat("./file1", 000) = 9 [pid 5109] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5110] creat("./file1", 000 [pid 5109] rename("./file1", "./bus" [pid 5110] <... creat resumed>) = 10 [pid 5110] creat("./file1", 000 [pid 5109] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5110] <... creat resumed>) = 11 [pid 5109] rename("./file1", "./bus" [pid 5110] creat("./file1", 000) = 12 [pid 5109] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5109] rename("./file1", "./bus" [pid 5110] creat("./file1", 000 [pid 5109] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5110] <... creat resumed>) = 13 [pid 5109] rename("./file1", "./bus" [pid 5110] creat("./file1", 000) = 14 [pid 5109] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5110] creat("./file1", 000 [pid 5109] rename("./file1", "./bus" [pid 5110] <... creat resumed>) = 15 [pid 5109] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5109] rename("./file1", "./bus" [pid 5110] creat("./file1", 000) = 16 [pid 5109] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5110] creat("./file1", 000 [pid 5109] rename("./file1", "./bus" [pid 5110] <... creat resumed>) = 17 [ 52.458766][ T5109] loop0: detected capacity change from 0 to 1024 [pid 5109] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5110] creat("./file1", 000 [pid 5109] rename("./file1", "./bus" [pid 5110] <... creat resumed>) = 18 [pid 5109] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5110] creat("./file1", 000 [pid 5109] rename("./file1", "./bus" [pid 5110] <... creat resumed>) = 19 [pid 5110] creat("./file1", 000) = 20 [pid 5109] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5109] rename("./file1", "./bus" [pid 5110] creat("./file1", 000) = 21 [pid 5109] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5110] creat("./file1", 000) = 22 [pid 5109] rename("./file1", "./bus" [pid 5110] creat("./file1", 000 [pid 5109] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5109] rename("./file1", "./bus" [pid 5110] <... creat resumed>) = 23 [pid 5109] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5110] creat("./file1", 000 [pid 5109] rename("./file1", "./bus" [pid 5110] <... creat resumed>) = 24 [pid 5109] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5110] creat("./file1", 000 [pid 5109] rename("./file1", "./bus" [pid 5110] <... creat resumed>) = 25 [pid 5109] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5110] creat("./file1", 000) = 26 [pid 5109] rename("./file1", "./bus" [pid 5108] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5110] creat("./file1", 000) = 27 [pid 5109] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5108] futex(0x7f99ecdeb6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 5110] creat("./file1", 000 [pid 5109] rename("./file1", "./bus" [pid 5110] <... creat resumed>) = 28 [pid 5109] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5108] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5110] creat("./file1", 000 [pid 5109] rename("./file1", "./bus" [pid 5110] <... creat resumed>) = 29 [pid 5109] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5110] creat("./file1", 000 [pid 5109] rename("./file1", "./bus" [pid 5110] <... creat resumed>) = 30 [pid 5109] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5110] creat("./file1", 000 [pid 5109] rename("./file1", "./bus" [pid 5110] <... creat resumed>) = 31 [pid 5109] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5110] creat("./file1", 000 [pid 5109] rename("./file1", "./bus" [pid 5110] <... creat resumed>) = 32 [pid 5109] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5110] creat("./file1", 000 [pid 5109] rename("./file1", "./bus" [pid 5110] <... creat resumed>) = 33 [pid 5109] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5110] creat("./file1", 000 [pid 5109] rename("./file1", "./bus" [pid 5110] <... creat resumed>) = 34 [pid 5109] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5110] creat("./file1", 000 [pid 5109] rename("./file1", "./bus" [pid 5110] <... creat resumed>) = 35 [pid 5109] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5110] creat("./file1", 000 [pid 5109] rename("./file1", "./bus" [pid 5110] <... creat resumed>) = 36 [pid 5109] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5110] creat("./file1", 000 [pid 5109] rename("./file1", "./bus" [pid 5110] <... creat resumed>) = 37 [pid 5109] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5110] creat("./file1", 000 [pid 5109] rename("./file1", "./bus" [pid 5110] <... creat resumed>) = 38 [pid 5109] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5110] creat("./file1", 000 [pid 5109] rename("./file1", "./bus" [pid 5110] <... creat resumed>) = 39 [pid 5109] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5110] creat("./file1", 000 [pid 5109] rename("./file1", "./bus" [pid 5110] <... creat resumed>) = 40 [pid 5109] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5110] creat("./file1", 000 [pid 5109] rename("./file1", "./bus" [pid 5110] <... creat resumed>) = 41 [pid 5109] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5110] creat("./file1", 000 [pid 5109] rename("./file1", "./bus" [pid 5110] <... creat resumed>) = 42 [pid 5109] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5110] creat("./file1", 000 [pid 5109] rename("./file1", "./bus" [pid 5110] <... creat resumed>) = 43 [pid 5109] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5110] creat("./file1", 000 [pid 5109] rename("./file1", "./bus" [pid 5110] <... creat resumed>) = 44 [pid 5109] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5110] creat("./file1", 000 [pid 5109] rename("./file1", "./bus" [pid 5110] <... creat resumed>) = 45 [pid 5109] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5110] creat("./file1", 000 [pid 5109] rename("./file1", "./bus" [pid 5110] <... creat resumed>) = 46 [pid 5109] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5110] creat("./file1", 000 [pid 5109] rename("./file1", "./bus" [pid 5110] <... creat resumed>) = 47 [pid 5109] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5110] creat("./file1", 000 [pid 5109] futex(0x7f99ecdeb6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5109] futex(0x7f99ecdeb6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5110] <... creat resumed>) = 48 [pid 5110] creat("./file1", 000) = 49 [pid 5110] creat("./file1", 000) = 50 [pid 5110] creat("./file1", 000) = 51 [pid 5110] creat("./file1", 000) = 52 [pid 5110] creat("./file1", 000) = 53 [pid 5110] creat("./file1", 000) = 54 [pid 5110] creat("./file1", 000) = 55 [pid 5110] creat("./file1", 000) = 56 [pid 5110] creat("./file1", 000) = 57 [pid 5110] creat("./file1", 000) = 58 [pid 5110] creat("./file1", 000) = 59 [pid 5110] creat("./file1", 000) = 60 [pid 5110] creat("./file1", 000) = 61 [pid 5110] creat("./file1", 000) = 62 [pid 5110] creat("./file1", 000) = 63 [pid 5110] creat("./file1", 000) = 64 [pid 5110] creat("./file1", 000) = 65 [pid 5110] creat("./file1", 000) = 66 [pid 5110] creat("./file1", 000) = 67 [pid 5110] creat("./file1", 000) = 68 [pid 5110] futex(0x7f99ecdeb6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5110] futex(0x7f99ecdeb6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5108] exit_group(0 [pid 5110] <... futex resumed>) = ? [pid 5109] <... futex resumed>) = ? [pid 5108] <... exit_group resumed>) = ? [pid 5110] +++ exited with 0 +++ [pid 5109] +++ exited with 0 +++ [pid 5108] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5108, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 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, 0x555556a5d730 /* 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, 0x555556a65770 /* 2 entries */, 32768) = 48 getdents64(4, 0x555556a65770 /* 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, 0x555556a5d730 /* 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, child_tidptr=0x555556a5c690) = 5111 ./strace-static-x86_64: Process 5111 attached [pid 5111] set_robust_list(0x555556a5c6a0, 24) = 0 [pid 5111] chdir("./30") = 0 [pid 5111] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5111] setpgid(0, 0) = 0 [pid 5111] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5111] write(3, "1000", 4) = 4 [pid 5111] close(3) = 0 [pid 5111] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5111] futex(0x7f99ecdeb6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5111] rt_sigaction(SIGRT_1, {sa_handler=0x7f99ecd88eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f99ecd7a060}, NULL, 8) = 0 [pid 5111] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5111] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f99eccff000 [pid 5111] mprotect(0x7f99ecd00000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5111] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5111] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f99ecd1f990, parent_tid=0x7f99ecd1f990, exit_signal=0, stack=0x7f99eccff000, stack_size=0x20300, tls=0x7f99ecd1f6c0} => {parent_tid=[5112]}, 88) = 5112 [pid 5111] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5111] futex(0x7f99ecdeb6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5111] futex(0x7f99ecdeb6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5112 attached [pid 5112] rseq(0x7f99ecd1ffe0, 0x20, 0, 0x53053053) = 0 [pid 5112] set_robust_list(0x7f99ecd1f9a0, 24) = 0 [pid 5112] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5112] memfd_create("syzkaller", 0) = 3 [pid 5112] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f99e48ff000 [pid 5112] 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 5112] munmap(0x7f99e48ff000, 524288) = 0 [pid 5112] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 52.575015][ T33] hfsplus: b-tree write err: -5, ino 8 [pid 5112] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5112] close(3) = 0 [pid 5112] mkdir("./bus", 0777) = 0 [pid 5112] mount("/dev/loop0", "./bus", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK, "") = 0 [pid 5112] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5112] chdir("./bus") = 0 [pid 5112] ioctl(4, LOOP_CLR_FD) = 0 [pid 5112] close(4) = 0 [pid 5112] futex(0x7f99ecdeb6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5111] <... futex resumed>) = 0 [pid 5111] futex(0x7f99ecdeb6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5111] futex(0x7f99ecdeb6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5111] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f99e495e000 [pid 5111] mprotect(0x7f99e495f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5111] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5111] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f99e497e990, parent_tid=0x7f99e497e990, exit_signal=0, stack=0x7f99e495e000, stack_size=0x20300, tls=0x7f99e497e6c0}./strace-static-x86_64: Process 5113 attached => {parent_tid=[5113]}, 88) = 5113 [pid 5111] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5113] rseq(0x7f99e497efe0, 0x20, 0, 0x53053053 [pid 5111] futex(0x7f99ecdeb6b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5111] futex(0x7f99ecdeb6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5112] <... futex resumed>) = 1 [pid 5112] rename("./file1", "./bus" [pid 5113] <... rseq resumed>) = 0 [pid 5112] <... rename resumed>) = 0 [pid 5112] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5112] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5112] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5112] rename("./file1", "./bus" [pid 5113] set_robust_list(0x7f99e497e9a0, 24 [pid 5112] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5112] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5113] <... set_robust_list resumed>) = 0 [pid 5112] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5112] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5113] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5112] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5112] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5113] creat("./file1", 000 [pid 5112] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5112] rename("./file1", "./bus" [pid 5113] <... creat resumed>) = 4 [pid 5112] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5113] creat("./file1", 000 [pid 5112] rename("./file1", "./bus" [pid 5113] <... creat resumed>) = 5 [pid 5112] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5112] rename("./file1", "./bus" [pid 5113] creat("./file1", 000 [pid 5112] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5112] rename("./file1", "./bus" [pid 5113] <... creat resumed>) = 6 [pid 5112] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5112] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5112] rename("./file1", "./bus" [pid 5113] creat("./file1", 000) = 7 [pid 5112] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5113] creat("./file1", 000 [pid 5112] rename("./file1", "./bus" [pid 5113] <... creat resumed>) = 8 [pid 5112] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5112] rename("./file1", "./bus" [pid 5113] creat("./file1", 000 [pid 5112] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5112] rename("./file1", "./bus" [pid 5113] <... creat resumed>) = 9 [pid 5112] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5113] creat("./file1", 000 [pid 5112] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5113] <... creat resumed>) = 10 [pid 5112] rename("./file1", "./bus" [pid 5113] creat("./file1", 000 [pid 5112] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5112] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5113] <... creat resumed>) = 11 [pid 5112] rename("./file1", "./bus" [pid 5113] creat("./file1", 000) = 12 [pid 5112] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5113] creat("./file1", 000 [ 52.626222][ T5112] loop0: detected capacity change from 0 to 1024 [pid 5112] rename("./file1", "./bus" [pid 5113] <... creat resumed>) = 13 [pid 5112] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5112] rename("./file1", "./bus" [pid 5113] creat("./file1", 000 [pid 5112] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5113] <... creat resumed>) = 14 [pid 5112] rename("./file1", "./bus" [pid 5113] creat("./file1", 000 [pid 5112] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5112] rename("./file1", "./bus" [pid 5113] <... creat resumed>) = 15 [pid 5112] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5113] creat("./file1", 000 [pid 5112] rename("./file1", "./bus" [pid 5113] <... creat resumed>) = 16 [pid 5113] creat("./file1", 000 [pid 5112] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5113] <... creat resumed>) = 17 [pid 5112] rename("./file1", "./bus" [pid 5113] creat("./file1", 000 [pid 5112] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5113] <... creat resumed>) = 18 [pid 5112] rename("./file1", "./bus" [pid 5113] creat("./file1", 000 [pid 5112] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5112] rename("./file1", "./bus" [pid 5113] <... creat resumed>) = 19 [pid 5112] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5113] creat("./file1", 000 [pid 5112] rename("./file1", "./bus" [pid 5113] <... creat resumed>) = 20 [pid 5112] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5112] rename("./file1", "./bus" [pid 5113] creat("./file1", 000) = 21 [pid 5112] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5113] creat("./file1", 000 [pid 5112] rename("./file1", "./bus" [pid 5113] <... creat resumed>) = 22 [pid 5112] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5113] creat("./file1", 000 [pid 5112] rename("./file1", "./bus" [pid 5113] <... creat resumed>) = 23 [pid 5112] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5113] creat("./file1", 000 [pid 5112] rename("./file1", "./bus" [pid 5113] <... creat resumed>) = 24 [pid 5113] creat("./file1", 000) = 25 [pid 5112] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5113] creat("./file1", 000) = 26 [pid 5112] rename("./file1", "./bus" [pid 5113] creat("./file1", 000) = 27 [pid 5112] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5113] creat("./file1", 000) = 28 [pid 5112] rename("./file1", "./bus" [pid 5113] creat("./file1", 000) = 29 [pid 5112] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5113] creat("./file1", 000 [pid 5112] rename("./file1", "./bus" [pid 5113] <... creat resumed>) = 30 [pid 5113] creat("./file1", 000) = 31 [pid 5112] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5113] creat("./file1", 000 [pid 5112] rename("./file1", "./bus" [pid 5113] <... creat resumed>) = 32 [pid 5113] creat("./file1", 000) = 33 [pid 5112] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5113] creat("./file1", 000) = 34 [pid 5112] rename("./file1", "./bus" [pid 5113] creat("./file1", 000) = 35 [pid 5112] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5113] creat("./file1", 000) = 36 [pid 5112] rename("./file1", "./bus" [pid 5113] creat("./file1", 000) = 37 [pid 5112] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5113] creat("./file1", 000 [pid 5112] rename("./file1", "./bus" [pid 5113] <... creat resumed>) = 38 [pid 5113] creat("./file1", 000 [pid 5112] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5113] <... creat resumed>) = 39 [pid 5113] creat("./file1", 000 [pid 5112] rename("./file1", "./bus" [pid 5113] <... creat resumed>) = 40 [pid 5113] creat("./file1", 000) = 41 [pid 5112] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5111] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5113] creat("./file1", 000 [pid 5112] rename("./file1", "./bus" [pid 5113] <... creat resumed>) = 42 [pid 5113] creat("./file1", 000) = 43 [pid 5112] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5113] creat("./file1", 000) = 44 [pid 5112] rename("./file1", "./bus" [pid 5113] creat("./file1", 000) = 45 [pid 5112] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5113] creat("./file1", 000) = 46 [pid 5112] rename("./file1", "./bus" [pid 5113] creat("./file1", 000) = 47 [pid 5112] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5113] creat("./file1", 000 [pid 5112] rename("./file1", "./bus" [pid 5113] <... creat resumed>) = 48 [pid 5113] creat("./file1", 000 [pid 5112] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5113] <... creat resumed>) = 49 [pid 5113] creat("./file1", 000 [pid 5112] rename("./file1", "./bus" [pid 5113] <... creat resumed>) = 50 [pid 5113] creat("./file1", 000 [pid 5112] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5113] <... creat resumed>) = 51 [pid 5112] rename("./file1", "./bus" [pid 5113] creat("./file1", 000) = 52 [pid 5112] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5113] creat("./file1", 000) = 53 [pid 5112] rename("./file1", "./bus" [pid 5113] creat("./file1", 000) = 54 [pid 5112] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5113] creat("./file1", 000 [pid 5112] rename("./file1", "./bus" [pid 5113] <... creat resumed>) = 55 [pid 5113] creat("./file1", 000) = 56 [pid 5112] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5113] creat("./file1", 000 [pid 5112] rename("./file1", "./bus" [pid 5113] <... creat resumed>) = 57 [pid 5113] creat("./file1", 000 [pid 5112] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5113] <... creat resumed>) = 58 [pid 5112] rename("./file1", "./bus" [pid 5113] creat("./file1", 000) = 59 [pid 5112] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5113] creat("./file1", 000 [pid 5112] rename("./file1", "./bus" [pid 5113] <... creat resumed>) = 60 [pid 5113] creat("./file1", 000 [pid 5112] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5113] <... creat resumed>) = 61 [pid 5112] rename("./file1", "./bus" [pid 5113] creat("./file1", 000) = 62 [pid 5112] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5113] creat("./file1", 000) = 63 [pid 5112] rename("./file1", "./bus" [pid 5113] creat("./file1", 000 [pid 5112] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5112] rename("./file1", "./bus" [pid 5113] <... creat resumed>) = 64 [pid 5112] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5113] creat("./file1", 000 [pid 5112] rename("./file1", "./bus" [pid 5113] <... creat resumed>) = 65 [pid 5112] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5113] creat("./file1", 000 [pid 5112] rename("./file1", "./bus" [pid 5113] <... creat resumed>) = 66 [pid 5112] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5113] creat("./file1", 000 [pid 5112] rename("./file1", "./bus" [pid 5113] <... creat resumed>) = 67 [pid 5112] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5113] creat("./file1", 000 [pid 5112] rename("./file1", "./bus" [pid 5113] <... creat resumed>) = 68 [pid 5112] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5113] futex(0x7f99ecdeb6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5112] rename("./file1", "./bus" [pid 5113] <... futex resumed>) = 0 [pid 5112] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5113] futex(0x7f99ecdeb6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5112] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5112] futex(0x7f99ecdeb6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5112] futex(0x7f99ecdeb6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5111] exit_group(0 [pid 5113] <... futex resumed>) = ? [pid 5112] <... futex resumed>) = ? [pid 5111] <... exit_group resumed>) = ? [pid 5113] +++ exited with 0 +++ [pid 5112] +++ exited with 0 +++ [pid 5111] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5111, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- 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, 0x555556a5d730 /* 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, 0x555556a65770 /* 2 entries */, 32768) = 48 getdents64(4, 0x555556a65770 /* 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, 0x555556a5d730 /* 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, child_tidptr=0x555556a5c690) = 5114 ./strace-static-x86_64: Process 5114 attached [pid 5114] set_robust_list(0x555556a5c6a0, 24) = 0 [pid 5114] chdir("./31") = 0 [pid 5114] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5114] setpgid(0, 0) = 0 [pid 5114] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5114] write(3, "1000", 4) = 4 [pid 5114] close(3) = 0 [pid 5114] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5114] futex(0x7f99ecdeb6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5114] rt_sigaction(SIGRT_1, {sa_handler=0x7f99ecd88eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f99ecd7a060}, NULL, 8) = 0 [pid 5114] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5114] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f99eccff000 [pid 5114] mprotect(0x7f99ecd00000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5114] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5114] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f99ecd1f990, parent_tid=0x7f99ecd1f990, exit_signal=0, stack=0x7f99eccff000, stack_size=0x20300, tls=0x7f99ecd1f6c0}./strace-static-x86_64: Process 5115 attached => {parent_tid=[5115]}, 88) = 5115 [pid 5115] rseq(0x7f99ecd1ffe0, 0x20, 0, 0x53053053) = 0 [pid 5115] set_robust_list(0x7f99ecd1f9a0, 24) = 0 [pid 5115] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5115] futex(0x7f99ecdeb6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5114] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5114] futex(0x7f99ecdeb6a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5115] <... futex resumed>) = 0 [pid 5114] futex(0x7f99ecdeb6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5115] memfd_create("syzkaller", 0) = 3 [pid 5115] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f99e48ff000 [pid 5115] 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 5115] munmap(0x7f99e48ff000, 524288) = 0 [pid 5115] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 52.742051][ T33] hfsplus: b-tree write err: -5, ino 8 [pid 5115] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5115] close(3) = 0 [pid 5115] mkdir("./bus", 0777) = 0 [pid 5115] mount("/dev/loop0", "./bus", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK, "") = 0 [pid 5115] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5115] chdir("./bus") = 0 [pid 5115] ioctl(4, LOOP_CLR_FD) = 0 [pid 5115] close(4) = 0 [pid 5115] futex(0x7f99ecdeb6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5114] <... futex resumed>) = 0 [pid 5114] futex(0x7f99ecdeb6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5114] futex(0x7f99ecdeb6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5114] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f99e495e000 [pid 5115] <... futex resumed>) = 1 [pid 5114] mprotect(0x7f99e495f000, 131072, PROT_READ|PROT_WRITE [pid 5115] rename("./file1", "./bus" [pid 5114] <... mprotect resumed>) = 0 [pid 5115] <... rename resumed>) = 0 [pid 5114] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5115] rename("./file1", "./bus" [pid 5114] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5115] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5114] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f99e497e990, parent_tid=0x7f99e497e990, exit_signal=0, stack=0x7f99e495e000, stack_size=0x20300, tls=0x7f99e497e6c0} [pid 5115] rename("./file1", "./bus" [pid 5114] <... clone3 resumed> => {parent_tid=[5116]}, 88) = 5116 ./strace-static-x86_64: Process 5116 attached [pid 5115] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5115] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5115] rename("./file1", "./bus" [pid 5114] rt_sigprocmask(SIG_SETMASK, [], [pid 5115] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5114] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5115] rename("./file1", "./bus" [pid 5114] futex(0x7f99ecdeb6b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5115] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5114] <... futex resumed>) = 0 [pid 5115] rename("./file1", "./bus" [pid 5114] futex(0x7f99ecdeb6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5115] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5115] rename("./file1", "./bus" [pid 5116] rseq(0x7f99e497efe0, 0x20, 0, 0x53053053 [pid 5115] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5116] <... rseq resumed>) = 0 [pid 5115] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5116] set_robust_list(0x7f99e497e9a0, 24 [pid 5115] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5115] rename("./file1", "./bus" [pid 5116] <... set_robust_list resumed>) = 0 [pid 5115] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5115] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5116] rt_sigprocmask(SIG_SETMASK, [], [pid 5115] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5116] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5115] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5116] creat("./file1", 000 [pid 5115] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5115] rename("./file1", "./bus" [pid 5116] <... creat resumed>) = 4 [pid 5116] creat("./file1", 000 [pid 5115] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5115] rename("./file1", "./bus" [pid 5116] <... creat resumed>) = 5 [pid 5115] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5115] rename("./file1", "./bus" [pid 5116] creat("./file1", 000 [pid 5115] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5115] rename("./file1", "./bus" [pid 5116] <... creat resumed>) = 6 [pid 5115] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5115] rename("./file1", "./bus" [pid 5116] creat("./file1", 000 [pid 5115] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5115] rename("./file1", "./bus" [pid 5116] <... creat resumed>) = 7 [pid 5115] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5116] creat("./file1", 000 [pid 5115] rename("./file1", "./bus" [pid 5116] <... creat resumed>) = 8 [pid 5115] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5116] creat("./file1", 000 [pid 5115] rename("./file1", "./bus" [pid 5116] <... creat resumed>) = 9 [pid 5115] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5116] creat("./file1", 000 [pid 5115] rename("./file1", "./bus" [pid 5116] <... creat resumed>) = 10 [pid 5115] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5116] creat("./file1", 000 [pid 5115] rename("./file1", "./bus" [pid 5116] <... creat resumed>) = 11 [pid 5115] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5116] creat("./file1", 000 [pid 5115] rename("./file1", "./bus" [pid 5116] <... creat resumed>) = 12 [pid 5115] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5116] creat("./file1", 000 [pid 5115] rename("./file1", "./bus" [pid 5116] <... creat resumed>) = 13 [pid 5115] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5116] creat("./file1", 000 [pid 5115] rename("./file1", "./bus" [pid 5116] <... creat resumed>) = 14 [pid 5115] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5116] creat("./file1", 000 [pid 5115] rename("./file1", "./bus" [pid 5116] <... creat resumed>) = 15 [pid 5115] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5116] creat("./file1", 000 [pid 5115] rename("./file1", "./bus" [pid 5116] <... creat resumed>) = 16 [pid 5115] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5116] creat("./file1", 000 [pid 5115] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5116] <... creat resumed>) = 17 [pid 5115] rename("./file1", "./bus" [pid 5116] creat("./file1", 000 [pid 5115] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5115] rename("./file1", "./bus" [pid 5116] <... creat resumed>) = 18 [pid 5115] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5116] creat("./file1", 000 [pid 5115] rename("./file1", "./bus" [pid 5116] <... creat resumed>) = 19 [pid 5115] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5116] creat("./file1", 000 [pid 5115] rename("./file1", "./bus" [pid 5116] <... creat resumed>) = 20 [pid 5115] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5116] creat("./file1", 000 [pid 5115] rename("./file1", "./bus" [pid 5116] <... creat resumed>) = 21 [pid 5115] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5116] creat("./file1", 000 [pid 5115] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5116] <... creat resumed>) = 22 [ 52.798888][ T5115] loop0: detected capacity change from 0 to 1024 [pid 5115] rename("./file1", "./bus" [pid 5116] creat("./file1", 000 [pid 5115] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5115] rename("./file1", "./bus" [pid 5116] <... creat resumed>) = 23 [pid 5115] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5116] creat("./file1", 000 [pid 5115] rename("./file1", "./bus" [pid 5116] <... creat resumed>) = 24 [pid 5115] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5116] creat("./file1", 000 [pid 5115] rename("./file1", "./bus" [pid 5116] <... creat resumed>) = 25 [pid 5115] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5116] creat("./file1", 000 [pid 5115] rename("./file1", "./bus" [pid 5116] <... creat resumed>) = 26 [pid 5115] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5116] creat("./file1", 000 [pid 5115] rename("./file1", "./bus" [pid 5116] <... creat resumed>) = 27 [pid 5115] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5115] rename("./file1", "./bus" [pid 5116] creat("./file1", 000 [pid 5115] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5115] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5115] rename("./file1", "./bus" [pid 5116] <... creat resumed>) = 28 [pid 5115] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5115] rename("./file1", "./bus" [pid 5116] creat("./file1", 000 [pid 5115] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5115] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5115] rename("./file1", "./bus" [pid 5116] <... creat resumed>) = 29 [pid 5115] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5116] creat("./file1", 000 [pid 5115] rename("./file1", "./bus" [pid 5116] <... creat resumed>) = 30 [pid 5115] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5116] creat("./file1", 000 [pid 5115] rename("./file1", "./bus" [pid 5116] <... creat resumed>) = 31 [pid 5115] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5116] creat("./file1", 000 [pid 5115] rename("./file1", "./bus" [pid 5116] <... creat resumed>) = 32 [pid 5115] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5116] creat("./file1", 000 [pid 5115] rename("./file1", "./bus" [pid 5116] <... creat resumed>) = 33 [pid 5115] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5116] creat("./file1", 000 [pid 5115] rename("./file1", "./bus" [pid 5116] <... creat resumed>) = 34 [pid 5115] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5116] creat("./file1", 000 [pid 5115] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5116] <... creat resumed>) = 35 [pid 5115] rename("./file1", "./bus" [pid 5116] creat("./file1", 000 [pid 5115] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5115] rename("./file1", "./bus" [pid 5116] <... creat resumed>) = 36 [pid 5115] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5116] creat("./file1", 000 [pid 5115] rename("./file1", "./bus" [pid 5116] <... creat resumed>) = 37 [pid 5115] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5116] creat("./file1", 000 [pid 5115] rename("./file1", "./bus" [pid 5116] <... creat resumed>) = 38 [pid 5115] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5116] creat("./file1", 000 [pid 5115] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5116] <... creat resumed>) = 39 [pid 5115] rename("./file1", "./bus" [pid 5116] creat("./file1", 000 [pid 5115] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5115] rename("./file1", "./bus" [pid 5116] <... creat resumed>) = 40 [pid 5115] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5115] rename("./file1", "./bus" [pid 5116] creat("./file1", 000 [pid 5115] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5115] rename("./file1", "./bus" [pid 5116] <... creat resumed>) = 41 [pid 5115] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5116] creat("./file1", 000 [pid 5115] rename("./file1", "./bus" [pid 5116] <... creat resumed>) = 42 [pid 5115] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5116] creat("./file1", 000 [pid 5115] futex(0x7f99ecdeb6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5115] futex(0x7f99ecdeb6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5116] <... creat resumed>) = 43 [pid 5116] creat("./file1", 000) = 44 [pid 5116] creat("./file1", 000) = 45 [pid 5116] creat("./file1", 000) = 46 [pid 5116] creat("./file1", 000) = 47 [pid 5116] creat("./file1", 000) = 48 [pid 5116] creat("./file1", 000) = 49 [pid 5116] creat("./file1", 000) = 50 [pid 5116] creat("./file1", 000) = 51 [pid 5116] creat("./file1", 000) = 52 [pid 5116] creat("./file1", 000) = 53 [pid 5116] creat("./file1", 000) = 54 [pid 5116] creat("./file1", 000) = 55 [pid 5116] creat("./file1", 000) = 56 [pid 5114] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5116] creat("./file1", 000 [pid 5114] futex(0x7f99ecdeb6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5114] futex(0x7f99ecdeb6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 5116] <... creat resumed>) = 57 [pid 5114] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5116] creat("./file1", 000) = 58 [pid 5116] creat("./file1", 000) = 59 [pid 5116] creat("./file1", 000) = 60 [pid 5116] creat("./file1", 000) = 61 [pid 5116] creat("./file1", 000) = 62 [pid 5116] creat("./file1", 000) = 63 [pid 5116] creat("./file1", 000) = 64 [pid 5116] creat("./file1", 000) = 65 [pid 5116] creat("./file1", 000) = 66 [pid 5116] creat("./file1", 000) = 67 [pid 5116] creat("./file1", 000) = 68 [pid 5116] futex(0x7f99ecdeb6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5116] futex(0x7f99ecdeb6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5114] exit_group(0 [pid 5116] <... futex resumed>) = ? [pid 5115] <... futex resumed>) = ? [pid 5114] <... exit_group resumed>) = ? [pid 5116] +++ exited with 0 +++ [pid 5115] +++ exited with 0 +++ [pid 5114] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5114, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 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, 0x555556a5d730 /* 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, 0x555556a65770 /* 2 entries */, 32768) = 48 getdents64(4, 0x555556a65770 /* 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, 0x555556a5d730 /* 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, child_tidptr=0x555556a5c690) = 5117 ./strace-static-x86_64: Process 5117 attached [pid 5117] set_robust_list(0x555556a5c6a0, 24) = 0 [pid 5117] chdir("./32") = 0 [pid 5117] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5117] setpgid(0, 0) = 0 [pid 5117] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5117] write(3, "1000", 4) = 4 [pid 5117] close(3) = 0 [pid 5117] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5117] futex(0x7f99ecdeb6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5117] rt_sigaction(SIGRT_1, {sa_handler=0x7f99ecd88eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f99ecd7a060}, NULL, 8) = 0 [pid 5117] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5117] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f99eccff000 [pid 5117] mprotect(0x7f99ecd00000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5117] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5117] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f99ecd1f990, parent_tid=0x7f99ecd1f990, exit_signal=0, stack=0x7f99eccff000, stack_size=0x20300, tls=0x7f99ecd1f6c0} => {parent_tid=[5118]}, 88) = 5118 ./strace-static-x86_64: Process 5118 attached [pid 5118] rseq(0x7f99ecd1ffe0, 0x20, 0, 0x53053053) = 0 [pid 5118] set_robust_list(0x7f99ecd1f9a0, 24) = 0 [pid 5118] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5118] futex(0x7f99ecdeb6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5117] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5117] futex(0x7f99ecdeb6a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5118] <... futex resumed>) = 0 [pid 5117] futex(0x7f99ecdeb6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5118] memfd_create("syzkaller", 0) = 3 [pid 5118] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f99e48ff000 [pid 5118] 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 5118] munmap(0x7f99e48ff000, 524288) = 0 [pid 5118] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5118] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5118] close(3) = 0 [pid 5118] mkdir("./bus", 0777) = 0 [pid 5118] mount("/dev/loop0", "./bus", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK, "") = 0 [pid 5118] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5118] chdir("./bus") = 0 [pid 5118] ioctl(4, LOOP_CLR_FD) = 0 [pid 5118] close(4) = 0 [pid 5118] futex(0x7f99ecdeb6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5117] <... futex resumed>) = 0 [pid 5117] futex(0x7f99ecdeb6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5118] <... futex resumed>) = 1 [pid 5117] <... futex resumed>) = 0 [pid 5118] rename("./file1", "./bus" [pid 5117] futex(0x7f99ecdeb6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5117] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5118] <... rename resumed>) = 0 [pid 5118] rename("./file1", "./bus" [pid 5117] <... mmap resumed>) = 0x7f99e495e000 [pid 5118] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5117] mprotect(0x7f99e495f000, 131072, PROT_READ|PROT_WRITE [pid 5118] rename("./file1", "./bus" [pid 5117] <... mprotect resumed>) = 0 [pid 5117] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5117] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f99e497e990, parent_tid=0x7f99e497e990, exit_signal=0, stack=0x7f99e495e000, stack_size=0x20300, tls=0x7f99e497e6c0} => {parent_tid=[5119]}, 88) = 5119 [pid 5118] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5117] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5117] futex(0x7f99ecdeb6b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5117] futex(0x7f99ecdeb6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5119 attached [pid 5119] rseq(0x7f99e497efe0, 0x20, 0, 0x53053053) = 0 [pid 5119] set_robust_list(0x7f99e497e9a0, 24) = 0 [pid 5119] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5119] creat("./file1", 000 [pid 5118] rename("./file1", "./bus" [pid 5119] <... creat resumed>) = 4 [pid 5119] creat("./file1", 000 [pid 5118] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5118] rename("./file1", "./bus" [pid 5119] <... creat resumed>) = 5 [pid 5119] creat("./file1", 000 [pid 5118] <... rename resumed>) = -1 ENOENT (No such file or directory) [ 52.903701][ T47] hfsplus: b-tree write err: -5, ino 8 [ 52.943662][ T5118] loop0: detected capacity change from 0 to 1024 [pid 5118] rename("./file1", "./bus" [pid 5119] <... creat resumed>) = 6 [pid 5119] creat("./file1", 000 [pid 5118] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5119] <... creat resumed>) = 7 [pid 5118] rename("./file1", "./bus" [pid 5119] creat("./file1", 000) = 8 [pid 5119] creat("./file1", 000 [pid 5118] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5119] <... creat resumed>) = 9 [pid 5118] rename("./file1", "./bus" [pid 5119] creat("./file1", 000) = 10 [pid 5118] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5119] creat("./file1", 000 [pid 5118] rename("./file1", "./bus" [pid 5119] <... creat resumed>) = 11 [pid 5119] creat("./file1", 000) = 12 [pid 5118] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5118] rename("./file1", "./bus" [pid 5119] creat("./file1", 000) = 13 [pid 5118] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5119] creat("./file1", 000) = 14 [pid 5119] creat("./file1", 000 [pid 5118] rename("./file1", "./bus" [pid 5119] <... creat resumed>) = 15 [pid 5118] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5119] creat("./file1", 000 [pid 5118] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5118] rename("./file1", "./bus" [pid 5119] <... creat resumed>) = 16 [pid 5119] creat("./file1", 000 [pid 5118] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5118] rename("./file1", "./bus" [pid 5119] <... creat resumed>) = 17 [pid 5118] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5119] creat("./file1", 000 [pid 5118] rename("./file1", "./bus" [pid 5119] <... creat resumed>) = 18 [pid 5119] creat("./file1", 000 [pid 5118] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5118] rename("./file1", "./bus" [pid 5119] <... creat resumed>) = 19 [pid 5118] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5119] creat("./file1", 000 [pid 5118] rename("./file1", "./bus" [pid 5119] <... creat resumed>) = 20 [pid 5119] creat("./file1", 000) = 21 [pid 5118] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5118] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5119] creat("./file1", 000 [pid 5118] rename("./file1", "./bus" [pid 5119] <... creat resumed>) = 22 [pid 5119] creat("./file1", 000 [pid 5118] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5119] <... creat resumed>) = 23 [pid 5118] rename("./file1", "./bus" [pid 5119] creat("./file1", 000) = 24 [pid 5118] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5119] creat("./file1", 000 [pid 5118] rename("./file1", "./bus" [pid 5119] <... creat resumed>) = 25 [pid 5118] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5119] creat("./file1", 000 [pid 5118] rename("./file1", "./bus" [pid 5119] <... creat resumed>) = 26 [pid 5118] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5119] creat("./file1", 000) = 27 [pid 5119] creat("./file1", 000 [pid 5118] rename("./file1", "./bus" [pid 5119] <... creat resumed>) = 28 [pid 5118] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5118] rename("./file1", "./bus" [pid 5119] creat("./file1", 000) = 29 [pid 5119] creat("./file1", 000 [pid 5118] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5119] <... creat resumed>) = 30 [pid 5118] rename("./file1", "./bus" [pid 5119] creat("./file1", 000) = 31 [pid 5118] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5119] creat("./file1", 000 [pid 5118] rename("./file1", "./bus" [pid 5119] <... creat resumed>) = 32 [pid 5119] creat("./file1", 000) = 33 [pid 5118] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5119] creat("./file1", 000 [pid 5118] rename("./file1", "./bus" [pid 5119] <... creat resumed>) = 34 [pid 5118] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5119] creat("./file1", 000) = 35 [pid 5119] creat("./file1", 000) = 36 [pid 5118] rename("./file1", "./bus" [pid 5119] creat("./file1", 000) = 37 [pid 5118] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5119] creat("./file1", 000 [pid 5118] rename("./file1", "./bus" [pid 5119] <... creat resumed>) = 38 [pid 5118] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5118] rename("./file1", "./bus" [pid 5119] creat("./file1", 000) = 39 [pid 5118] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5119] creat("./file1", 000 [pid 5118] rename("./file1", "./bus" [pid 5119] <... creat resumed>) = 40 [pid 5118] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5119] creat("./file1", 000 [pid 5118] rename("./file1", "./bus" [pid 5119] <... creat resumed>) = 41 [pid 5118] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5118] rename("./file1", "./bus" [pid 5119] creat("./file1", 000) = 42 [pid 5118] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5119] creat("./file1", 000 [pid 5118] rename("./file1", "./bus" [pid 5119] <... creat resumed>) = 43 [pid 5118] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5118] rename("./file1", "./bus" [pid 5119] creat("./file1", 000 [pid 5118] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5119] <... creat resumed>) = 44 [pid 5119] creat("./file1", 000) = 45 [pid 5119] creat("./file1", 000) = 46 [pid 5118] rename("./file1", "./bus" [pid 5119] creat("./file1", 000) = 47 [pid 5118] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5119] creat("./file1", 000) = 48 [pid 5118] rename("./file1", "./bus" [pid 5119] creat("./file1", 000) = 49 [pid 5118] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5119] creat("./file1", 000 [pid 5118] rename("./file1", "./bus" [pid 5119] <... creat resumed>) = 50 [pid 5119] creat("./file1", 000) = 51 [pid 5118] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5119] creat("./file1", 000) = 52 [pid 5118] rename("./file1", "./bus" [pid 5119] creat("./file1", 000) = 53 [pid 5118] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5119] creat("./file1", 000 [pid 5118] rename("./file1", "./bus" [pid 5119] <... creat resumed>) = 54 [pid 5119] creat("./file1", 000) = 55 [pid 5118] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5119] creat("./file1", 000) = 56 [pid 5118] rename("./file1", "./bus" [pid 5119] creat("./file1", 000) = 57 [pid 5118] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5119] creat("./file1", 000) = 58 [pid 5118] rename("./file1", "./bus" [pid 5119] creat("./file1", 000) = 59 [pid 5118] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5119] creat("./file1", 000) = 60 [pid 5118] rename("./file1", "./bus" [pid 5119] creat("./file1", 000) = 61 [pid 5118] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5119] creat("./file1", 000 [pid 5118] rename("./file1", "./bus" [pid 5119] <... creat resumed>) = 62 [pid 5119] creat("./file1", 000) = 63 [pid 5118] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5119] creat("./file1", 000) = 64 [pid 5118] rename("./file1", "./bus" [pid 5119] creat("./file1", 000) = 65 [pid 5118] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5119] creat("./file1", 000 [pid 5118] rename("./file1", "./bus" [pid 5119] <... creat resumed>) = 66 [pid 5119] creat("./file1", 000 [pid 5118] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5117] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5119] <... creat resumed>) = 67 [pid 5118] rename("./file1", "./bus" [pid 5119] creat("./file1", 000) = 68 [pid 5118] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5119] futex(0x7f99ecdeb6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5118] rename("./file1", "./bus" [pid 5119] <... futex resumed>) = 0 [pid 5119] futex(0x7f99ecdeb6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5118] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5118] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5118] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5118] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5118] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5118] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5118] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5118] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5118] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5118] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5118] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5118] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5118] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5118] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5118] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5118] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5118] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5118] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5118] futex(0x7f99ecdeb6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5118] futex(0x7f99ecdeb6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5117] exit_group(0 [pid 5118] <... futex resumed>) = ? [pid 5119] <... futex resumed>) = ? [pid 5117] <... exit_group resumed>) = ? [pid 5118] +++ exited with 0 +++ [pid 5119] +++ exited with 0 +++ [pid 5117] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5117, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 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, 0x555556a5d730 /* 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, 0x555556a65770 /* 2 entries */, 32768) = 48 getdents64(4, 0x555556a65770 /* 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, 0x555556a5d730 /* 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, child_tidptr=0x555556a5c690) = 5120 ./strace-static-x86_64: Process 5120 attached [pid 5120] set_robust_list(0x555556a5c6a0, 24) = 0 [pid 5120] chdir("./33") = 0 [pid 5120] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5120] setpgid(0, 0) = 0 [pid 5120] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5120] write(3, "1000", 4) = 4 [pid 5120] close(3) = 0 [pid 5120] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5120] futex(0x7f99ecdeb6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5120] rt_sigaction(SIGRT_1, {sa_handler=0x7f99ecd88eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f99ecd7a060}, NULL, 8) = 0 [pid 5120] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5120] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f99eccff000 [pid 5120] mprotect(0x7f99ecd00000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5120] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5120] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f99ecd1f990, parent_tid=0x7f99ecd1f990, exit_signal=0, stack=0x7f99eccff000, stack_size=0x20300, tls=0x7f99ecd1f6c0}./strace-static-x86_64: Process 5121 attached => {parent_tid=[5121]}, 88) = 5121 [pid 5121] rseq(0x7f99ecd1ffe0, 0x20, 0, 0x53053053) = 0 [pid 5121] set_robust_list(0x7f99ecd1f9a0, 24) = 0 [pid 5121] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5121] futex(0x7f99ecdeb6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5120] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5120] futex(0x7f99ecdeb6a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5121] <... futex resumed>) = 0 [pid 5120] futex(0x7f99ecdeb6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5121] memfd_create("syzkaller", 0) = 3 [pid 5121] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f99e48ff000 [pid 5121] 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 5121] munmap(0x7f99e48ff000, 524288) = 0 [pid 5121] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 53.060637][ T47] hfsplus: b-tree write err: -5, ino 8 [pid 5121] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5121] close(3) = 0 [pid 5121] mkdir("./bus", 0777) = 0 [pid 5121] mount("/dev/loop0", "./bus", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK, "") = 0 [pid 5121] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5121] chdir("./bus") = 0 [pid 5121] ioctl(4, LOOP_CLR_FD) = 0 [pid 5121] close(4) = 0 [pid 5121] futex(0x7f99ecdeb6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5121] futex(0x7f99ecdeb6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5120] <... futex resumed>) = 0 [pid 5120] futex(0x7f99ecdeb6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5121] <... futex resumed>) = 0 [pid 5120] <... futex resumed>) = 1 [pid 5121] rename("./file1", "./bus" [pid 5120] futex(0x7f99ecdeb6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5121] <... rename resumed>) = 0 [pid 5120] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5121] rename("./file1", "./bus" [pid 5120] <... mmap resumed>) = 0x7f99e495e000 [pid 5121] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5120] mprotect(0x7f99e495f000, 131072, PROT_READ|PROT_WRITE [pid 5121] rename("./file1", "./bus" [pid 5120] <... mprotect resumed>) = 0 [pid 5121] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5120] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5121] rename("./file1", "./bus" [pid 5120] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5121] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5120] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f99e497e990, parent_tid=0x7f99e497e990, exit_signal=0, stack=0x7f99e495e000, stack_size=0x20300, tls=0x7f99e497e6c0} [pid 5121] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5121] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5120] <... clone3 resumed> => {parent_tid=[5122]}, 88) = 5122 [pid 5121] rename("./file1", "./bus" [pid 5120] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5121] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5120] futex(0x7f99ecdeb6b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5121] rename("./file1", "./bus" [pid 5120] <... futex resumed>) = 0 [pid 5121] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5120] futex(0x7f99ecdeb6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5121] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5121] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5121] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5121] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5121] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5121] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5121] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5121] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5121] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5121] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5121] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5121] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5121] rename("./file1", "./bus"./strace-static-x86_64: Process 5122 attached ) = -1 ENOENT (No such file or directory) [pid 5122] rseq(0x7f99e497efe0, 0x20, 0, 0x53053053 [pid 5121] rename("./file1", "./bus" [pid 5122] <... rseq resumed>) = 0 [pid 5121] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5122] set_robust_list(0x7f99e497e9a0, 24 [pid 5121] rename("./file1", "./bus" [pid 5122] <... set_robust_list resumed>) = 0 [pid 5121] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5122] rt_sigprocmask(SIG_SETMASK, [], [pid 5121] rename("./file1", "./bus" [pid 5122] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5121] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5122] creat("./file1", 000 [pid 5121] rename("./file1", "./bus" [pid 5122] <... creat resumed>) = 4 [pid 5121] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5122] creat("./file1", 000 [pid 5121] rename("./file1", "./bus" [pid 5122] <... creat resumed>) = 5 [pid 5121] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5122] creat("./file1", 000 [pid 5121] rename("./file1", "./bus" [pid 5122] <... creat resumed>) = 6 [pid 5121] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5122] creat("./file1", 000 [pid 5121] rename("./file1", "./bus" [pid 5122] <... creat resumed>) = 7 [pid 5122] creat("./file1", 000 [pid 5121] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5122] <... creat resumed>) = 8 [pid 5121] rename("./file1", "./bus" [pid 5122] creat("./file1", 000) = 9 [pid 5121] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5122] creat("./file1", 000 [pid 5121] rename("./file1", "./bus" [pid 5122] <... creat resumed>) = 10 [pid 5121] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5122] creat("./file1", 000 [pid 5121] rename("./file1", "./bus" [pid 5122] <... creat resumed>) = 11 [pid 5121] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5122] creat("./file1", 000) = 12 [pid 5121] rename("./file1", "./bus" [pid 5122] creat("./file1", 000) = 13 [pid 5121] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5122] creat("./file1", 000) = 14 [pid 5121] rename("./file1", "./bus" [pid 5122] creat("./file1", 000) = 15 [pid 5121] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5122] creat("./file1", 000) = 16 [pid 5121] rename("./file1", "./bus" [pid 5122] creat("./file1", 000) = 17 [pid 5121] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5121] rename("./file1", "./bus" [pid 5122] creat("./file1", 000) = 18 [pid 5121] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5122] creat("./file1", 000) = 19 [pid 5121] rename("./file1", "./bus" [pid 5122] creat("./file1", 000) = 20 [pid 5121] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5122] creat("./file1", 000 [pid 5121] rename("./file1", "./bus" [pid 5122] <... creat resumed>) = 21 [pid 5122] creat("./file1", 000) = 22 [pid 5121] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5122] creat("./file1", 000 [pid 5121] rename("./file1", "./bus" [pid 5122] <... creat resumed>) = 23 [pid 5122] creat("./file1", 000) = 24 [pid 5121] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5122] creat("./file1", 000) = 25 [pid 5121] rename("./file1", "./bus" [pid 5122] creat("./file1", 000) = 26 [pid 5121] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5122] creat("./file1", 000) = 27 [pid 5121] rename("./file1", "./bus" [pid 5122] creat("./file1", 000) = 28 [pid 5121] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5122] creat("./file1", 000) = 29 [pid 5121] rename("./file1", "./bus" [pid 5122] creat("./file1", 000) = 30 [pid 5121] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5122] creat("./file1", 000 [pid 5121] rename("./file1", "./bus" [pid 5122] <... creat resumed>) = 31 [pid 5122] creat("./file1", 000) = 32 [pid 5121] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5122] creat("./file1", 000) = 33 [pid 5121] rename("./file1", "./bus" [pid 5122] creat("./file1", 000) = 34 [pid 5121] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5122] creat("./file1", 000) = 35 [ 53.115093][ T5121] loop0: detected capacity change from 0 to 1024 [pid 5121] rename("./file1", "./bus" [pid 5122] creat("./file1", 000) = 36 [pid 5121] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5122] creat("./file1", 000 [pid 5121] rename("./file1", "./bus" [pid 5122] <... creat resumed>) = 37 [pid 5122] creat("./file1", 000) = 38 [pid 5121] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5122] creat("./file1", 000) = 39 [pid 5121] rename("./file1", "./bus" [pid 5122] creat("./file1", 000) = 40 [pid 5121] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5122] creat("./file1", 000 [pid 5121] rename("./file1", "./bus" [pid 5122] <... creat resumed>) = 41 [pid 5122] creat("./file1", 000) = 42 [pid 5121] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5122] creat("./file1", 000) = 43 [pid 5121] rename("./file1", "./bus" [pid 5122] creat("./file1", 000) = 44 [pid 5121] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5122] creat("./file1", 000 [pid 5121] rename("./file1", "./bus" [pid 5122] <... creat resumed>) = 45 [pid 5122] creat("./file1", 000) = 46 [pid 5121] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5122] creat("./file1", 000) = 47 [pid 5121] rename("./file1", "./bus" [pid 5122] creat("./file1", 000) = 48 [pid 5121] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5122] creat("./file1", 000 [pid 5121] rename("./file1", "./bus" [pid 5122] <... creat resumed>) = 49 [pid 5122] creat("./file1", 000) = 50 [pid 5121] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5122] creat("./file1", 000) = 51 [pid 5121] rename("./file1", "./bus" [pid 5122] creat("./file1", 000) = 52 [pid 5121] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5122] creat("./file1", 000 [pid 5121] rename("./file1", "./bus" [pid 5122] <... creat resumed>) = 53 [pid 5122] creat("./file1", 000) = 54 [pid 5121] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5122] creat("./file1", 000) = 55 [pid 5121] rename("./file1", "./bus" [pid 5122] creat("./file1", 000) = 56 [pid 5121] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5122] creat("./file1", 000 [pid 5121] rename("./file1", "./bus" [pid 5122] <... creat resumed>) = 57 [pid 5120] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5122] creat("./file1", 000 [pid 5121] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5122] <... creat resumed>) = 58 [pid 5121] rename("./file1", "./bus" [pid 5122] creat("./file1", 000) = 59 [pid 5121] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5122] creat("./file1", 000 [pid 5121] rename("./file1", "./bus" [pid 5122] <... creat resumed>) = 60 [pid 5122] creat("./file1", 000) = 61 [pid 5121] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5122] creat("./file1", 000 [pid 5121] rename("./file1", "./bus" [pid 5122] <... creat resumed>) = 62 [pid 5122] creat("./file1", 000) = 63 [pid 5121] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5122] creat("./file1", 000 [pid 5121] rename("./file1", "./bus" [pid 5122] <... creat resumed>) = 64 [pid 5122] creat("./file1", 000) = 65 [pid 5121] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5122] creat("./file1", 000 [pid 5121] rename("./file1", "./bus" [pid 5122] <... creat resumed>) = 66 [pid 5122] creat("./file1", 000) = 67 [pid 5121] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5122] creat("./file1", 000) = 68 [pid 5121] rename("./file1", "./bus" [pid 5122] futex(0x7f99ecdeb6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5122] futex(0x7f99ecdeb6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5121] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5121] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5121] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5121] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5121] rename("./file1", "./bus") = -1 ENOENT (No such file or directory) [pid 5121] futex(0x7f99ecdeb6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5121] futex(0x7f99ecdeb6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5120] exit_group(0 [pid 5122] <... futex resumed>) = ? [pid 5121] <... futex resumed>) = ? [pid 5120] <... exit_group resumed>) = ? [pid 5122] +++ exited with 0 +++ [pid 5121] +++ exited with 0 +++ [pid 5120] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5120, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 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, 0x555556a5d730 /* 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, 0x555556a65770 /* 2 entries */, 32768) = 48 getdents64(4, 0x555556a65770 /* 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, 0x555556a5d730 /* 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 5123 attached , child_tidptr=0x555556a5c690) = 5123 [pid 5123] set_robust_list(0x555556a5c6a0, 24) = 0 [pid 5123] chdir("./34") = 0 [pid 5123] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5123] setpgid(0, 0) = 0 [pid 5123] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5123] write(3, "1000", 4) = 4 [pid 5123] close(3) = 0 [pid 5123] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5123] futex(0x7f99ecdeb6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5123] rt_sigaction(SIGRT_1, {sa_handler=0x7f99ecd88eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f99ecd7a060}, NULL, 8) = 0 [pid 5123] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5123] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f99eccff000 [pid 5123] mprotect(0x7f99ecd00000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5123] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5123] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f99ecd1f990, parent_tid=0x7f99ecd1f990, exit_signal=0, stack=0x7f99eccff000, stack_size=0x20300, tls=0x7f99ecd1f6c0} => {parent_tid=[5124]}, 88) = 5124 [pid 5123] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5123] futex(0x7f99ecdeb6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5123] futex(0x7f99ecdeb6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5124 attached [pid 5124] rseq(0x7f99ecd1ffe0, 0x20, 0, 0x53053053) = 0 [pid 5124] set_robust_list(0x7f99ecd1f9a0, 24) = 0 [pid 5124] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5124] memfd_create("syzkaller", 0) = 3 [pid 5124] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f99e48ff000 [pid 5124] 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 5124] munmap(0x7f99e48ff000, 524288) = 0 [pid 5124] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 53.210788][ T33] hfsplus: b-tree write err: -5, ino 8 [pid 5124] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5124] close(3) = 0 [pid 5124] mkdir("./bus", 0777) = 0 [pid 5124] mount("/dev/loop0", "./bus", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK, "") = 0 [pid 5124] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5124] chdir("./bus") = 0 [pid 5124] ioctl(4, LOOP_CLR_FD) = 0 [pid 5124] close(4) = 0 [pid 5124] futex(0x7f99ecdeb6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5123] <... futex resumed>) = 0 [pid 5123] futex(0x7f99ecdeb6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5123] futex(0x7f99ecdeb6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5123] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f99e495e000 [pid 5123] mprotect(0x7f99e495f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5123] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5123] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f99e497e990, parent_tid=0x7f99e497e990, exit_signal=0, stack=0x7f99e495e000, stack_size=0x20300, tls=0x7f99e497e6c0} => {parent_tid=[5125]}, 88) = 5125 [pid 5123] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5123] futex(0x7f99ecdeb6b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5123] futex(0x7f99ecdeb6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5125 attached [pid 5125] rseq(0x7f99e497efe0, 0x20, 0, 0x53053053) = 0 [pid 5125] set_robust_list(0x7f99e497e9a0, 24) = 0 [pid 5125] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5125] creat("./file1", 000) = 4 [pid 5125] creat("./file1", 000) = 5 [pid 5125] creat("./file1", 000) = 6 [pid 5125] creat("./file1", 000) = 7 [pid 5125] creat("./file1", 000 [pid 5124] rename("./file1", "./bus" [pid 5125] <... creat resumed>) = 8 [pid 5125] creat("./file1", 000) = 9 [pid 5125] creat("./file1", 000 [pid 5124] <... rename resumed>) = 0 [pid 5124] rename("./file1", "./bus" [pid 5125] <... creat resumed>) = 10 [pid 5125] creat("./file1", 000 [pid 5124] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5124] rename("./file1", "./bus" [pid 5125] <... creat resumed>) = 11 [ 53.263250][ T5124] loop0: detected capacity change from 0 to 1024 [ 53.297211][ T5124] ------------[ cut here ]------------ [ 53.302888][ T5124] WARNING: CPU: 1 PID: 5124 at fs/inode.c:331 drop_nlink+0xab/0xd0 [pid 5125] creat("./file1", 000 [pid 5123] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 53.311051][ T5124] Modules linked in: [ 53.314971][ T5124] CPU: 1 PID: 5124 Comm: syz-executor216 Not tainted 6.5.0-rc3-syzkaller-00018-g0b5547c51827 #0 [ 53.325454][ T5124] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 53.335570][ T5124] RIP: 0010:drop_nlink+0xab/0xd0 [ 53.340575][ T5124] Code: 43 48 8b 5d 28 be 08 00 00 00 48 8d bb 70 07 00 00 e8 39 97 e9 ff f0 48 ff 83 70 07 00 00 5b 5d e9 4a a3 95 ff e8 45 a3 95 ff <0f> 0b c7 45 48 ff ff ff ff 5b 5d e9 35 a3 95 ff e8 50 90 e9 ff e9 [ 53.360351][ T5124] RSP: 0018:ffffc90003b0fa60 EFLAGS: 00010293 [ 53.366865][ T5124] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 53.375089][ T5124] RDX: ffff888013f7d940 RSI: ffffffff81f0cd6b RDI: 0000000000000005 [ 53.383264][ T5124] RBP: ffff8880791d7470 R08: 0000000000000005 R09: 0000000000000000 [ 53.391344][ T5124] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 53.399384][ T5124] R13: ffff8880764ccbf0 R14: ffffc90003b0faf0 R15: ffff88801e8ca800 [ 53.407479][ T5124] FS: 00007f99ecd1f6c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 53.416568][ T5124] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.423259][ T5124] CR2: 00007f99ecd20000 CR3: 0000000072a82000 CR4: 0000000000350ee0 [ 53.431376][ T5124] Call Trace: [ 53.434663][ T5124] [ 53.437608][ T5124] ? __warn+0xe6/0x380 [ 53.441762][ T5124] ? drop_nlink+0xab/0xd0 [ 53.446108][ T5124] ? report_bug+0x3bc/0x580 [ 53.450747][ T5124] ? handle_bug+0x3c/0x70 [ 53.455100][ T5124] ? exc_invalid_op+0x17/0x40 [ 53.459845][ T5124] ? asm_exc_invalid_op+0x1a/0x20 [ 53.464887][ T5124] ? drop_nlink+0xab/0xd0 [ 53.469297][ T5124] ? drop_nlink+0xab/0xd0 [ 53.473645][ T5124] hfsplus_unlink+0x530/0x850 [ 53.478334][ T5124] ? hfsplus_symlink+0x2b0/0x2b0 [ 53.483385][ T5124] ? up_read+0x20/0x20 [ 53.487492][ T5124] ? do_raw_spin_lock+0x12e/0x2b0 [ 53.492589][ T5124] ? spin_bug+0x1d0/0x1d0 [ 53.496965][ T5124] hfsplus_rename+0xbc/0x200 [ 53.501662][ T5124] ? lock_two_inodes+0x10f/0x1e0 [ 53.506643][ T5124] vfs_rename+0xe23/0x1c30 [pid 5123] exit_group(0) = ? [ 53.511154][ T5124] ? vfs_mkobj+0x5e0/0x5e0 [ 53.515723][ T5124] ? bpf_lsm_path_rename+0x9/0x10 [ 53.520827][ T5124] ? security_path_rename+0x15e/0x230 [ 53.526248][ T5124] do_renameat2+0xc3c/0xdc0 [ 53.531037][ T5124] ? __ia32_sys_link+0xa0/0xa0 [ 53.535835][ T5124] ? reacquire_held_locks+0x4b0/0x4b0 [ 53.541342][ T5124] ? preempt_count_sub+0x150/0x150 [ 53.546537][ T5124] ? __check_object_size+0x323/0x740 [ 53.551999][ T5124] ? strncpy_from_user+0x214/0x300 [ 53.557184][ T5124] ? getname_flags.part.0+0x1d5/0x4d0 [ 53.562669][ T5124] __x64_sys_rename+0x81/0xa0 [ 53.567386][ T5124] do_syscall_64+0x38/0xb0 [ 53.571856][ T5124] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 53.577789][ T5124] RIP: 0033:0x7f99ecd62a99 [ 53.582288][ T5124] 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 [ 53.602120][ T5124] RSP: 002b:00007f99ecd1f218 EFLAGS: 00000246 ORIG_RAX: 0000000000000052 [ 53.610608][ T5124] RAX: ffffffffffffffda RBX: 000000000000003f RCX: 00007f99ecd62a99 [ 53.618639][ T5124] RDX: ffffffffffffffb0 RSI: 0000000020000100 RDI: 00000000200000c0 [ 53.626762][ T5124] RBP: 00007f99ecdeb6a8 R08: 0000000000000000 R09: 0000000000000000 [ 53.634799][ T5124] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f99ecdeb6a0 [ 53.642867][ T5124] R13: 0000000020000cc0 R14: 0031656c69662f2e R15: 0073756c70736668 [ 53.650936][ T5124] [ 53.653996][ T5124] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 53.661307][ T5124] CPU: 1 PID: 5124 Comm: syz-executor216 Not tainted 6.5.0-rc3-syzkaller-00018-g0b5547c51827 #0 [ 53.671768][ T5124] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 53.681848][ T5124] Call Trace: [ 53.685162][ T5124] [ 53.688159][ T5124] dump_stack_lvl+0xd9/0x1b0 [ 53.692753][ T5124] panic+0x6a4/0x750 [ 53.696665][ T5124] ? panic_smp_self_stop+0xa0/0xa0 [ 53.701815][ T5124] ? show_trace_log_lvl+0x29d/0x3c0 [ 53.707043][ T5124] ? drop_nlink+0xab/0xd0 [ 53.711370][ T5124] check_panic_on_warn+0xab/0xb0 [ 53.716389][ T5124] __warn+0xf2/0x380 [ 53.720299][ T5124] ? drop_nlink+0xab/0xd0 [ 53.724626][ T5124] report_bug+0x3bc/0x580 [ 53.728993][ T5124] handle_bug+0x3c/0x70 [ 53.733148][ T5124] exc_invalid_op+0x17/0x40 [ 53.737665][ T5124] asm_exc_invalid_op+0x1a/0x20 [ 53.742532][ T5124] RIP: 0010:drop_nlink+0xab/0xd0 [ 53.747473][ T5124] Code: 43 48 8b 5d 28 be 08 00 00 00 48 8d bb 70 07 00 00 e8 39 97 e9 ff f0 48 ff 83 70 07 00 00 5b 5d e9 4a a3 95 ff e8 45 a3 95 ff <0f> 0b c7 45 48 ff ff ff ff 5b 5d e9 35 a3 95 ff e8 50 90 e9 ff e9 [ 53.767182][ T5124] RSP: 0018:ffffc90003b0fa60 EFLAGS: 00010293 [ 53.773260][ T5124] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 53.781325][ T5124] RDX: ffff888013f7d940 RSI: ffffffff81f0cd6b RDI: 0000000000000005 [ 53.789312][ T5124] RBP: ffff8880791d7470 R08: 0000000000000005 R09: 0000000000000000 [ 53.797285][ T5124] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 53.805341][ T5124] R13: ffff8880764ccbf0 R14: ffffc90003b0faf0 R15: ffff88801e8ca800 [ 53.813316][ T5124] ? drop_nlink+0xab/0xd0 [ 53.817652][ T5124] hfsplus_unlink+0x530/0x850 [ 53.822334][ T5124] ? hfsplus_symlink+0x2b0/0x2b0 [ 53.827272][ T5124] ? up_read+0x20/0x20 [ 53.831422][ T5124] ? do_raw_spin_lock+0x12e/0x2b0 [ 53.836447][ T5124] ? spin_bug+0x1d0/0x1d0 [ 53.840781][ T5124] hfsplus_rename+0xbc/0x200 [ 53.845403][ T5124] ? lock_two_inodes+0x10f/0x1e0 [ 53.850361][ T5124] vfs_rename+0xe23/0x1c30 [ 53.854784][ T5124] ? vfs_mkobj+0x5e0/0x5e0 [ 53.859239][ T5124] ? bpf_lsm_path_rename+0x9/0x10 [ 53.864280][ T5124] ? security_path_rename+0x15e/0x230 [ 53.869782][ T5124] do_renameat2+0xc3c/0xdc0 [ 53.874316][ T5124] ? __ia32_sys_link+0xa0/0xa0 [ 53.879110][ T5124] ? reacquire_held_locks+0x4b0/0x4b0 [ 53.884544][ T5124] ? preempt_count_sub+0x150/0x150 [ 53.889764][ T5124] ? __check_object_size+0x323/0x740 [ 53.895063][ T5124] ? strncpy_from_user+0x214/0x300 [ 53.900207][ T5124] ? getname_flags.part.0+0x1d5/0x4d0 [ 53.905585][ T5124] __x64_sys_rename+0x81/0xa0 [ 53.910444][ T5124] do_syscall_64+0x38/0xb0 [ 53.914863][ T5124] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 53.920844][ T5124] RIP: 0033:0x7f99ecd62a99 [ 53.925256][ T5124] 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 [ 53.945225][ T5124] RSP: 002b:00007f99ecd1f218 EFLAGS: 00000246 ORIG_RAX: 0000000000000052 [ 53.954446][ T5124] RAX: ffffffffffffffda RBX: 000000000000003f RCX: 00007f99ecd62a99 [ 53.962417][ T5124] RDX: ffffffffffffffb0 RSI: 0000000020000100 RDI: 00000000200000c0 [ 53.970386][ T5124] RBP: 00007f99ecdeb6a8 R08: 0000000000000000 R09: 0000000000000000 [ 53.978360][ T5124] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f99ecdeb6a0 [ 53.986350][ T5124] R13: 0000000020000cc0 R14: 0031656c69662f2e R15: 0073756c70736668 [ 53.994417][ T5124] [ 53.998049][ T5124] Kernel Offset: disabled [ 54.002456][ T5124] Rebooting in 86400 seconds..