./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor733189262 <...> Warning: Permanently added '10.128.1.116' (ED25519) to the list of known hosts. execve("./syz-executor733189262", ["./syz-executor733189262"], 0x7fff3fcfdea0 /* 10 vars */) = 0 brk(NULL) = 0x55556e04e000 brk(0x55556e04ed40) = 0x55556e04ed40 arch_prctl(ARCH_SET_FS, 0x55556e04e3c0) = 0 set_tid_address(0x55556e04e690) = 5864 set_robust_list(0x55556e04e6a0, 24) = 0 rseq(0x55556e04ece0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor733189262", 4096) = 27 getrandom("\xa0\x7b\x6c\xb1\x00\xda\x42\x8c", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55556e04ed40 brk(0x55556e06fd40) = 0x55556e06fd40 brk(0x55556e070000) = 0x55556e070000 mprotect(0x7f95ad79a000, 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.H6P9Wg", 0700) = 0 chmod("./syzkaller.H6P9Wg", 0777) = 0 chdir("./syzkaller.H6P9Wg") = 0 unshare(CLONE_NEWPID) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5866 attached , child_tidptr=0x55556e04e690) = 5866 [pid 5866] set_robust_list(0x55556e04e6a0, 24) = 0 [pid 5866] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5866] getppid() = 0 [pid 5866] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5866] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5866] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5866] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5866] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5866] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5866] unshare(CLONE_NEWNS) = 0 [pid 5866] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5866] unshare(CLONE_NEWIPC) = 0 [pid 5866] unshare(CLONE_NEWCGROUP) = 0 [pid 5866] unshare(CLONE_NEWUTS) = 0 [pid 5866] unshare(CLONE_SYSVSEM) = 0 [pid 5866] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5866] write(3, "16777216", 8) = 8 [pid 5866] close(3) = 0 [pid 5866] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5866] write(3, "536870912", 9) = 9 [pid 5866] close(3) = 0 [pid 5866] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5866] write(3, "1024", 4) = 4 [pid 5866] close(3) = 0 [pid 5866] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5866] write(3, "8192", 4) = 4 [pid 5866] close(3) = 0 [pid 5866] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5866] write(3, "1024", 4) = 4 [pid 5866] close(3) = 0 [pid 5866] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5866] write(3, "1024", 4) = 4 [pid 5866] close(3) = 0 [pid 5866] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5866] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5866] close(3) = 0 [pid 5866] getpid() = 1 [pid 5866] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 5875] rseq(0x7f95ad6cbfe0, 0x20, 0, 0x53053053 [pid 5874] <... clone3 resumed> => {parent_tid=[3]}, 88) = 3 [pid 5875] <... rseq resumed>) = 0 [pid 5875] set_robust_list(0x7f95ad6cb9a0, 24) = 0 [pid 5874] rt_sigprocmask(SIG_SETMASK, [], [pid 5875] rt_sigprocmask(SIG_SETMASK, [], [pid 5874] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5875] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5874] futex(0x7f95ad7a0408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5875] socket(AF_NETLINK, SOCK_RAW, NETLINK_NETFILTER [pid 5874] <... futex resumed>) = 0 [pid 5875] <... socket resumed>) = 3 [pid 5875] futex(0x7f95ad7a040c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5874] futex(0x7f95ad7a040c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5875] <... futex resumed>) = 0 [pid 5875] futex(0x7f95ad7a0408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5874] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5874] futex(0x7f95ad7a0408, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5875] <... futex resumed>) = 0 [pid 5874] futex(0x7f95ad7a040c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5875] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x14\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x0a\x20\x00\x00\x00\x00\x0a\x01\x03\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\xff\xfd\x09\x00\x01\x00\x73\x79\x7a\x30\x00\x00\x00\x00\x40\x00\x00\x00\x03\x0a\x01\x02\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x09\x00\x03\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x14\x00\x04\x80\x08\x00\x02\x40\x32\x65\x8a\xeb\x08\x00\x01\x40"..., iov_len=204}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 204 [pid 5875] futex(0x7f95ad7a040c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5874] <... futex resumed>) = 0 [pid 5875] futex(0x7f95ad7a0408, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5874] futex(0x7f95ad7a0408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5875] write(200, "\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\x3a\x08\x00\x45\x00\x00\x2c\x00\x00\x00\x00\x00\x06\xba\xcd\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x4e\x29\x44\x43\x42\x41\x44\x43\x42\x41\x60\x16\x00\x01\x42\x96\x00\x00\x02\x02\x00\x00", 58 [pid 5874] <... futex resumed>) = 0 [pid 5874] futex(0x7f95ad7a040c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5875] <... write resumed>) = 58 [pid 5875] futex(0x7f95ad7a040c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5875] futex(0x7f95ad7a0408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5874] <... futex resumed>) = 0 [pid 5874] close(3) = 0 [pid 5874] close(4) = -1 EBADF (Bad file descriptor) [pid 5874] close(5) = -1 EBADF (Bad file descriptor) [pid 5874] close(6) = -1 EBADF (Bad file descriptor) [pid 5874] close(7) = -1 EBADF (Bad file descriptor) [pid 5874] close(8) = -1 EBADF (Bad file descriptor) [pid 5874] close(9) = -1 EBADF (Bad file descriptor) [pid 5874] close(10) = -1 EBADF (Bad file descriptor) [pid 5874] close(11) = -1 EBADF (Bad file descriptor) [pid 5874] close(12) = -1 EBADF (Bad file descriptor) [pid 5874] close(13) = -1 EBADF (Bad file descriptor) [pid 5874] close(14) = -1 EBADF (Bad file descriptor) [pid 5874] close(15) = -1 EBADF (Bad file descriptor) [pid 5874] close(16) = -1 EBADF (Bad file descriptor) [pid 5874] close(17) = -1 EBADF (Bad file descriptor) [pid 5874] close(18) = -1 EBADF (Bad file descriptor) [pid 5874] close(19) = -1 EBADF (Bad file descriptor) [pid 5874] close(20) = -1 EBADF (Bad file descriptor) [pid 5874] close(21) = -1 EBADF (Bad file descriptor) [pid 5874] close(22) = -1 EBADF (Bad file descriptor) [pid 5874] close(23) = -1 EBADF (Bad file descriptor) [pid 5874] close(24) = -1 EBADF (Bad file descriptor) [pid 5874] close(25) = -1 EBADF (Bad file descriptor) [pid 5874] close(26) = -1 EBADF (Bad file descriptor) [pid 5874] close(27) = -1 EBADF (Bad file descriptor) [pid 5874] close(28) = -1 EBADF (Bad file descriptor) [pid 5874] close(29) = -1 EBADF (Bad file descriptor) [pid 5874] exit_group(0 [pid 5875] <... futex resumed>) = ? [pid 5875] +++ exited with 0 +++ [pid 5874] <... exit_group resumed>) = ? [pid 5874] +++ exited with 0 +++ [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5866] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5866] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0 [pid 5866] getdents64(3, 0x55556e04f730 /* 3 entries */, 32768) = 80 [pid 5866] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] unlink("./0/binderfs") = 0 [pid 5866] getdents64(3, 0x55556e04f730 /* 0 entries */, 32768) = 0 [pid 5866] close(3) = 0 [pid 5866] rmdir("./0") = 0 [pid 5866] mkdir("./1", 0777) = 0 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5876 attached [pid 5876] set_robust_list(0x55556e04e6a0, 24 [pid 5866] <... clone resumed>, child_tidptr=0x55556e04e690) = 4 [pid 5876] <... set_robust_list resumed>) = 0 [pid 5876] chdir("./1") = 0 [pid 5876] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5876] setpgid(0, 0) = 0 [pid 5876] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5876] write(3, "1000", 4) = 4 [pid 5876] close(3) = 0 [pid 5876] read(200, 0x7fffabd1ce60, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5876] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5876] write(1, "executing program\n", 18executing program ) = 18 [pid 5876] futex(0x7f95ad7a040c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5876] rt_sigaction(SIGRT_1, {sa_handler=0x7f95ad73da60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f95ad72ebe0}, NULL, 8) = 0 [pid 5876] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5876] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f95ad6ab000 [pid 5876] mprotect(0x7f95ad6ac000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5876] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5876] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f95ad6cb990, parent_tid=0x7f95ad6cb990, exit_signal=0, stack=0x7f95ad6ab000, stack_size=0x20300, tls=0x7f95ad6cb6c0}./strace-static-x86_64: Process 5877 attached [pid 5877] rseq(0x7f95ad6cbfe0, 0x20, 0, 0x53053053 [pid 5876] <... clone3 resumed> => {parent_tid=[5]}, 88) = 5 [pid 5877] <... rseq resumed>) = 0 [pid 5876] rt_sigprocmask(SIG_SETMASK, [], [pid 5877] set_robust_list(0x7f95ad6cb9a0, 24 [pid 5876] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5876] futex(0x7f95ad7a0408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5877] <... set_robust_list resumed>) = 0 [pid 5876] <... futex resumed>) = 0 [pid 5877] rt_sigprocmask(SIG_SETMASK, [], [pid 5876] futex(0x7f95ad7a040c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5877] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5877] socket(AF_NETLINK, SOCK_RAW, NETLINK_NETFILTER) = 3 [pid 5877] futex(0x7f95ad7a040c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5876] <... futex resumed>) = 0 [pid 5876] futex(0x7f95ad7a0408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5877] <... futex resumed>) = 1 [pid 5876] <... futex resumed>) = 0 [pid 5876] futex(0x7f95ad7a040c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5877] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x14\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x0a\x20\x00\x00\x00\x00\x0a\x01\x03\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\xff\xfd\x09\x00\x01\x00\x73\x79\x7a\x30\x00\x00\x00\x00\x40\x00\x00\x00\x03\x0a\x01\x02\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x09\x00\x03\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x14\x00\x04\x80\x08\x00\x02\x40\x32\x65\x8a\xeb\x08\x00\x01\x40"..., iov_len=204}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 204 [pid 5877] futex(0x7f95ad7a040c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5876] <... futex resumed>) = 0 [pid 5877] <... futex resumed>) = 1 [pid 5877] write(200, "\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\x3a\x08\x00\x45\x00\x00\x2c\x00\x00\x00\x00\x00\x06\xba\xcd\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x4e\x29\x44\x43\x42\x41\x44\x43\x42\x41\x60\x16\x00\x01\x42\x96\x00\x00\x02\x02\x00\x00", 58 [pid 5876] futex(0x7f95ad7a0408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5877] <... write resumed>) = 58 [pid 5877] futex(0x7f95ad7a040c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5877] futex(0x7f95ad7a0408, FUTEX_WAIT_PRIVATE, 0, NULL) = 0 [pid 5876] <... futex resumed>) = 1 [pid 5877] futex(0x7f95ad7a0408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5876] futex(0x7f95ad7a040c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 5876] close(3) = 0 [pid 5876] close(4) = -1 EBADF (Bad file descriptor) [pid 5876] close(5) = -1 EBADF (Bad file descriptor) [pid 5876] close(6) = -1 EBADF (Bad file descriptor) [pid 5876] close(7) = -1 EBADF (Bad file descriptor) [pid 5876] close(8) = -1 EBADF (Bad file descriptor) [pid 5876] close(9) = -1 EBADF (Bad file descriptor) [pid 5876] close(10) = -1 EBADF (Bad file descriptor) [pid 5876] close(11) = -1 EBADF (Bad file descriptor) [pid 5876] close(12) = -1 EBADF (Bad file descriptor) [pid 5876] close(13) = -1 EBADF (Bad file descriptor) [pid 5876] close(14) = -1 EBADF (Bad file descriptor) [pid 5876] close(15) = -1 EBADF (Bad file descriptor) [pid 5876] close(16) = -1 EBADF (Bad file descriptor) [pid 5876] close(17) = -1 EBADF (Bad file descriptor) [pid 5876] close(18) = -1 EBADF (Bad file descriptor) [pid 5876] close(19) = -1 EBADF (Bad file descriptor) [pid 5876] close(20) = -1 EBADF (Bad file descriptor) [pid 5876] close(21) = -1 EBADF (Bad file descriptor) [pid 5876] close(22) = -1 EBADF (Bad file descriptor) [pid 5876] close(23) = -1 EBADF (Bad file descriptor) [pid 5876] close(24) = -1 EBADF (Bad file descriptor) [pid 5876] close(25) = -1 EBADF (Bad file descriptor) [pid 5876] close(26) = -1 EBADF (Bad file descriptor) [pid 5876] close(27) = -1 EBADF (Bad file descriptor) [pid 5876] close(28) = -1 EBADF (Bad file descriptor) [pid 5876] close(29) = -1 EBADF (Bad file descriptor) [pid 5876] exit_group(0) = ? [pid 5877] <... futex resumed>) = ? [pid 5877] +++ exited with 0 +++ [pid 5876] +++ exited with 0 +++ [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5866] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [ 133.633730][ T2910] sched: DL replenish lagged too much [pid 5866] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0 [pid 5866] getdents64(3, 0x55556e04f730 /* 3 entries */, 32768) = 80 [pid 5866] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] newfstatat(AT_FDCWD, "./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] unlink("./1/binderfs") = 0 [pid 5866] getdents64(3, 0x55556e04f730 /* 0 entries */, 32768) = 0 [pid 5866] close(3) = 0 [pid 5866] rmdir("./1") = 0 [pid 5866] mkdir("./2", 0777) = 0 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556e04e690) = 6 ./strace-static-x86_64: Process 5879 attached [pid 5879] set_robust_list(0x55556e04e6a0, 24) = 0 [pid 5879] chdir("./2") = 0 [pid 5879] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5879] setpgid(0, 0) = 0 [pid 5879] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5879] write(3, "1000", 4) = 4 [pid 5879] close(3) = 0 [pid 5879] read(200, 0x7fffabd1ce60, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5879] symlink("/dev/binderfs", "./binderfs" [pid 5866] kill(-6, SIGKILL) = 0 [pid 5866] kill(6, SIGKILL) = 0 [pid 5879] <... symlink resumed>) = ? [pid 5879] +++ killed by SIGKILL +++ [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5866] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5866] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0 [pid 5866] getdents64(3, 0x55556e04f730 /* 3 entries */, 32768) = 80 [pid 5866] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] newfstatat(AT_FDCWD, "./2/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] unlink("./2/binderfs") = 0 [pid 5866] getdents64(3, 0x55556e04f730 /* 0 entries */, 32768) = 0 [pid 5866] close(3) = 0 [pid 5866] rmdir("./2") = 0 [pid 5866] mkdir("./3", 0777) = 0 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556e04e690) = 7 ./strace-static-x86_64: Process 5881 attached [pid 5881] set_robust_list(0x55556e04e6a0, 24) = 0 [pid 5881] chdir("./3") = 0 [pid 5881] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5881] setpgid(0, 0) = 0 [pid 5881] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5866] kill(-7, SIGKILL) = 0 [pid 5866] kill(7, SIGKILL) = 0 [pid 5881] <... openat resumed>) = ? [pid 5881] +++ killed by SIGKILL +++ [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5866] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5866] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5866] getdents64(3, 0x55556e04f730 /* 2 entries */, 32768) = 48 [pid 5866] getdents64(3, 0x55556e04f730 /* 0 entries */, 32768) = 0 [pid 5866] close(3) = 0 [pid 5866] rmdir("./3") = 0 [pid 5866] mkdir("./4", 0777) = 0 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556e04e690) = 8 ./strace-static-x86_64: Process 5882 attached [pid 5882] set_robust_list(0x55556e04e6a0, 24) = 0 [pid 5882] chdir("./4") = 0 [pid 5882] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5882] setpgid(0, 0) = 0 [pid 5882] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5882] write(3, "1000", 4) = 4 [pid 5882] close(3) = 0 [pid 5882] read(200, 0x7fffabd1ce60, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5882] symlink("/dev/binderfs", "./binderfs" [pid 5866] kill(-8, SIGKILL) = 0 [pid 5866] kill(8, SIGKILL) = 0 [pid 5882] <... symlink resumed>) = ? [pid 5882] +++ killed by SIGKILL +++ [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=8, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5866] restart_syscall(<... resuming interrupted kill ...>) = 0 [pid 5866] umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5866] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0 [pid 5866] getdents64(3, 0x55556e04f730 /* 3 entries */, 32768) = 80 [pid 5866] umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] newfstatat(AT_FDCWD, "./4/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] unlink("./4/binderfs") = 0 [pid 5866] getdents64(3, 0x55556e04f730 /* 0 entries */, 32768) = 0 [pid 5866] close(3) = 0 [pid 5866] rmdir("./4") = 0 [pid 5866] mkdir("./5", 0777) = 0 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5883 attached [pid 5883] set_robust_list(0x55556e04e6a0, 24) = 0 [pid 5883] chdir("./5") = 0 [pid 5883] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5883] setpgid(0, 0) = 0 [pid 5883] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5866] <... clone resumed>, child_tidptr=0x55556e04e690) = 9 [pid 5883] <... openat resumed>) = 3 [pid 5883] write(3, "1000", 4) = 4 [pid 5883] close(3) = 0 [pid 5883] read(200, 0x7fffabd1ce60, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5883] symlink("/dev/binderfs", "./binderfs" [pid 5866] kill(-9, SIGKILL) = 0 [pid 5866] kill(9, SIGKILL) = 0 [pid 5883] <... symlink resumed>) = ? [pid 5883] +++ killed by SIGKILL +++ [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=9, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5866] restart_syscall(<... resuming interrupted kill ...>) = 0 [pid 5866] umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5866] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0 [pid 5866] getdents64(3, 0x55556e04f730 /* 3 entries */, 32768) = 80 [pid 5866] umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] newfstatat(AT_FDCWD, "./5/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] unlink("./5/binderfs") = 0 [pid 5866] getdents64(3, 0x55556e04f730 /* 0 entries */, 32768) = 0 [pid 5866] close(3) = 0 [pid 5866] rmdir("./5") = 0 [pid 5866] mkdir("./6", 0777) = 0 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5886 attached [pid 5886] set_robust_list(0x55556e04e6a0, 24) = 0 [pid 5886] chdir("./6") = 0 [pid 5886] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5886] setpgid(0, 0) = 0 [pid 5886] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5866] <... clone resumed>, child_tidptr=0x55556e04e690) = 10 executing program [pid 5886] <... openat resumed>) = 3 [pid 5886] write(3, "1000", 4) = 4 [pid 5886] close(3) = 0 [pid 5886] read(200, 0x7fffabd1ce60, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5886] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5886] write(1, "executing program\n", 18) = 18 [pid 5886] futex(0x7f95ad7a040c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5886] rt_sigaction(SIGRT_1, {sa_handler=0x7f95ad73da60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f95ad72ebe0}, NULL, 8) = 0 [pid 5886] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5886] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f95ad6ab000 [pid 5886] mprotect(0x7f95ad6ac000, 131072, PROT_READ|PROT_WRITE [pid 5866] kill(-10, SIGKILL) = 0 [pid 5866] kill(10, SIGKILL) = 0 [pid 5886] <... mprotect resumed>) = ? [pid 5886] +++ killed by SIGKILL +++ [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=10, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=17 /* 0.17 s */} --- [pid 5866] umount2("./6", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5866] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0 [pid 5866] getdents64(3, 0x55556e04f730 /* 3 entries */, 32768) = 80 [pid 5866] umount2("./6/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] newfstatat(AT_FDCWD, "./6/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] unlink("./6/binderfs") = 0 [pid 5866] getdents64(3, 0x55556e04f730 /* 0 entries */, 32768) = 0 [pid 5866] close(3) = 0 [pid 5866] rmdir("./6") = 0 [pid 5866] mkdir("./7", 0777) = 0 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556e04e690) = 11 ./strace-static-x86_64: Process 5887 attached [pid 5887] set_robust_list(0x55556e04e6a0, 24) = 0 [pid 5887] chdir("./7") = 0 [pid 5887] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5887] setpgid(0, 0) = 0